Patent Publication Number: US-8523156-B2

Title: Positioning and pressing device, pressing device and tool for auxiliary machining of motor train underframe

Description:
CROSS-REFERENCE TO RELATED APPLICATIONS 
     This application is a continuation of International Application No. PCT/CN2010/074795, filed on Jun. 30, 2010, which claims the priority benefit of China Patent Application No. 201010193436.9, filed on Jun. 4, 2010. The contents of the above identified applications are incorporated herein by reference in their entirety. 
    
    
     FIELD OF THE TECHNOLOGY 
     The present invention relates to field of a motor train machining tool, in particular to a positioning and pressing device, a pressing device and a tool for the auxiliary machining of a motor train underframe. 
     BACKGROUND 
     As an important part of a motor train, a motor train underframe is mainly formed by the auxiliary machining of a motor train underframe tool. Presently, the structure of the motor train underframe tool for the auxiliary machining of the motor train underframe is large in volume, so that the motor train underframe tool is not convenient for transportation and movement; and the adjustability thereof is not good and not capable of meeting the requirements of the auxiliary machining machining of the motor train underframes with different types. 
     SUMMARY 
     The present invention provides a positioning and pressing device, a pressing device and a tool for the auxiliary machining of the motor train underframe, which solves the technical problems of the present technology that the motor train underframe machining structure is large in volume and is not convenient for transportation and movement, and the adjustability thereof is not good and not capable of meeting the requirements of auxiliary machining of the motor train underframes with different types. 
     The present invention provides a positioning and pressing device for the auxiliary machining of the motor train underframe, comprising a crossbeam, two supporting frames, two rotary vertical pressing structures, a lateral positioning structure, a lateral holding structure and two adjustable intermediate supporting structures; 
     The two supporting frames are mounted in sliding manner on two sides of the upper surface of the crossbeam; 
     The two rotary vertical pressing structures are respectively mounted on the tops of the two supporting frames; 
     The lateral positioning structure is mounted on the side of one of the two supporting frames; 
     The lateral holding structure is mounted on the side of the other one of the two supporting frames; and 
     The two adjustable intermediate supporting structures are mounted on the upper surface of the crossbeam and between the two supporting frames. 
     The present invention provides a pressing device for the auxiliary machining of the motor train underframe, comprising a crossbeam, two supporting frames, two rotary vertical pressing structures and two adjustable intermediate supporting structures; 
     The two supporting frames are mounted in sliding manner on two sides of the upper surface of the crossbeam; 
     The two rotary vertical pressing structures are respectively mounted on the tops of the two supporting frames; 
     The two adjustable intermediate supporting structures are mounted on the upper surface of the crossbeam and between the two supporting frames. 
     The present invention provides a tool for the auxiliary machining of the motor train underframe, comprising 
     a plurality of abovementioned positioning and pressing devices; or 
     a plurality of abovementioned positioning and pressing devices and a plurality of the abovementioned pressing devices. 
     The present invention provides a positioning and pressing device, a pressing device and a tool for the auxiliary machining of the motor train underframe, the motor train underframe can be positioned by the lateral positioning structure which is mounted on the side of one supporting frame of the positioning and pressing device, the motor train underframe can be clamped closely by the lateral holding structure on the side of the other supporting frame, the motor train underframe can be pressed closely by the two rotary vertical pressing structures on the tops of the two supporting frames, for different types of motor train underframe, the adjustable intermediate supporting structures can be adjusted to adapt to the motor train underframe to match the processed motor train underframe, furthermore, the motor train underframe can be pressed closely by assistance of a plurality of pressing devices, the tool for the auxiliary machining of the motor train underframe is modularized, and the present invention solves the technical problems of the present technology that the motor train underframe machining structure is large in volume and is not convenient for transportation and movement, and in addition, the adjustability thereof is not good and not capable of meeting the requirements of the auxiliary machining of the motor train underframe with different types. 
    
    
     
       BRIEF DESCRIPTION OF THE DRAWINGS 
         FIG. 1  is the solid figure of the positioning and pressing device for the auxiliary machining of the motor train underframe in the present invention; 
         FIG. 2  is the front view of the lateral positioning structure of the positioning and pressing device of the present invention; 
         FIG. 3  is the top view of the lateral positioning structure of the positioning and pressing device of the present invention; 
         FIG. 4  is front view of the lateral holding structure of the positioning and pressing device of the present invention; 
         FIG. 5  is the top view of the lateral holding structure of the positioning and pressing device of the present invention; 
         FIG. 6  is the front view of the adjustable intermediate supporting structure of the positioning and pressing device of the present invention; 
         FIG. 7  is the side view of the adjustable intermediate supporting structure of the positioning and pressing device of the present invention; 
         FIG. 8  is the top view of the adjustable intermediate supporting structure of the positioning and pressing device of the present invention; 
         FIG. 9  is the front view of the vertical positioning structure of the positioning and pressing device of the present invention; 
         FIG. 10  is the side view of the vertical positioning structure of the positioning and pressing device of the present invention; 
         FIG. 11  is the top view of the vertical positioning structure in the positioning and pressing device of the present invention; 
         FIG. 12  is the front view of the supporting frames of the positioning and pressing device of the present invention; 
         FIG. 13  is the side view of the supporting frames of the positioning and pressing device of the present invention; 
         FIG. 14  is the top view of the supporting frames of the positioning and pressing device of the present invention; 
         FIG. 15  is the solid figure of the pressing device for the auxiliary machining of the motor train underframe in the present invention; and 
         FIG. 16  is the schematic diagram that the motor train underframe is clamped by the tool for auxiliary machining of the motor train underframe in the present invention. 
     
    
    
     DETAILED DESCRIPTION 
     Embodiment 1 
       FIG. 1  is the solid figure of the positioning and pressing device for the auxiliary machining of the motor train underframe in the present invention.  FIG. 2  is the front view of the lateral positioning structure of the positioning and pressing device of the present invention.  FIG. 3  is the top view of the lateral positioning structure of the positioning and pressing device of the present invention.  FIG. 4  is front view of the lateral holding structure of the positioning and pressing device of the present invention.  FIG. 5  is the top view of the lateral holding structure of the positioning and pressing device of the present invention.  FIG. 6  is the front view of the adjustable intermediate supporting structure of the positioning and pressing device of the present invention.  FIG. 7  is the side view of the adjustable intermediate supporting structure in the positioning and pressing device of the present invention.  FIG. 8  is the top view of the adjustable intermediate supporting structure of the positioning and pressing device of the present invention.  FIG. 9  is the front view of the vertical positioning structure of the positioning and pressing device of the present invention.  FIG. 10  is the side view of the vertical positioning structure of the positioning and pressing device of the present invention.  FIG. 11  is the top view of the vertical positioning structure of the positioning and pressing device of the present invention.  FIG. 12  is the front view of the supporting frames of the positioning and pressing device of the present invention.  FIG. 13  is the side view of the supporting frames of the positioning and pressing device of the present invention.  FIG. 14  is the top view of the supporting frames of the positioning and pressing device of the present invention. As shown in  FIGS. 1 to 14 , the embodiment of positioning and pressing device for the auxiliary machining of the motor train underframe comprises a crossbeam  11 , two supporting frames  12 , two rotary vertical pressing structures  13 , a lateral positioning structure  14 , a lateral holding structure  15  and two adjustable intermediate supporting structures  16 . 
     Wherein, the two supporting frames  12  are respectively mounted on two sides of the upper surface of the crossbeam  11 , the two rotary vertical pressing structures  13  are respectively mounted in sliding manner on the tops of the two supporting frames  12 , the lateral positioning structure  14  is mounted on the side of one of the two supporting frames  12 , the lateral holding structure  15  is mounted on the side of the other one of the two supporting frames  12 , and the two adjustable intermediate supporting structures  16  are mounted on the upper surface of the crossbeam  11  and between the two supporting frames  12 . 
     Specifically, as shown in  FIGS. 1 ,  12  and  14 , the supporting frame  12  comprises a supporting frame body  121  and two first corrugated pressure plates  122 ; firstly, the supporting body  121  can be placed on the crossbeam  11 , and then the two first corrugated pressure plates  122  can hold against two edges of the crossbeam  11  and be connected to the two sides of the lower surface of the supporting frame body  121  by bolts, so that the supporting frame body  121  can be mounted on the upper surface of the crossbeam  11 ; further, the bolts for fixing the two first corrugated pressure plates  122  on the supporting frame body  121  can be loosened, and at this time, the clearances of the two corrugated pressure plates  122  can be clamped on two edges of the crossbeam  11 , so that the supporting frames  12  can be mounted in sliding manner on the crossbeam  11 . 
     The rotary vertical pressing structure  13  comprises a base plate  131 , a column  132 , a rod arm  133  and a vertical pressing screw  134 , the base plate  131  is fixedly connected to the top, which is the flat top of the supporting frame body  121 , of the supporting frame  12  by bolts; the column  132  is vertically and fixedly connected to the base plate  131 , one end of the rod arm  133  is hinged on the column  132 , the vertical pressing screw  134  is adjustably threaded on the other end of the rod arm  133 , before the motor train underframe is placed, the other end of the rod arm  133  can be rotated around the column  132 , so that the rod arm  133  can be moved from the position which will hinder the installation of the motor train underframe; after the motor train underframe is placed in position, the other end of the rod arm  133  can be rotated around the column  132 , so that the vertical pressing screw  134  can align with the motor train underframe; and the vertical pressing screw  134  can be screwed to press the edge beam of the motor train underframe. 
     As shown in  FIGS. 1 ,  2  and  3 , the lateral positioning structure  14  comprises a first holder  141 , a hollow pressure plate  142 , a positioning rod  143  and a plugging locating pin  144 ; the first holder  141  is fixedly connected to the side part, which is the side part of the supporting frame body, of the first supporting frame  12  by bolts, the first holder  141  is further equipped with a threaded hole  145 , the hollow pressure plate  142  is mounted on the first holder  141  by division plates  1411  (not shown in  FIGS. 1 to 3 ) and a track groove  149  (not shown in  FIGS. 1 to 3 ) is formed by the hollow pressure plate  142  and the first holder  141 ; the positioning rod  143  is mounted in sliding manner in the track groove  149  and used for holding against a bevel positioning piece  147  on the side beam of motor train underframe so as to be connected with one end of the positioning rod by pins; the positioning rod  143  is equipped with a limiting threaded via hole (not shown in  FIGS. 1 to 3 ), the plugging locating pin  144  can be throughout the hollow part  148  of the hollow pressure plate  142  and threaded with the limiting threaded via hole and the threaded hole  145  in turn, so as to limit the position of the positioning rod  142 , therefore, the bevel positioning piece  147  can position the placed motor train underframe; furthermore, the positioning rod  143  throughout the hollow part  148  of the hollow pressure plate  142  is pivoted with a handle  146 , the positioning rod  143  can slide in the track groove  149  by pushing or pulling the handle  146 ; in actual application, before the motor train underframe is placed, the plugging locating pin  144  can be screwed out from the limiting threaded via hole and the threaded hole  145 , then, the handle  146  can be pulled to make the bevel positioning piece  147  approach the track groove  149  along with the positioning rod  143 , so that the interference to the placing of the motor train underframe can be avoided; and at this moment, the lateral positioning structure  14  is in opening state; after the motor train underframe is placed and the position thereof is adjusted, the handle  146  can be pushed, so that the bevel positioning piece  147  can be far from the track groove  149  along with the positioning rod  143 , the bevel positioning piece  147  can hold against the side beam of the motor train underframe, so as to position the motor train underframe; and at this moment, the lateral positioning structure  14  is in positioning state. 
     As shown in  FIGS. 1 ,  4  and  5 , the lateral holding structure  15  comprises a second holder  151 , a bracket  152  and an adjustable pressing structure; the second holder  151  is fixedly connected to the side, which is the side of the supporting frame body  121 , of the other supporting frame  12  by bolts; the bottom of the supporting frame  12  is fixedly connected to the second holder  151  by bolts; furthermore, the adjustable pressing structure comprises a thread bushing  153  and a bolt bar  154 ; the thread bushing  153  is mounted on the top of the bracket  152 , the bolt bar  154  is adjustably threaded with the thread bushing  153 , one end of the bolt bar  154  is equipped with a bevel cushion block  155  for holding against the motor train underframe, and the other end is equipped with a nut structure  156  for being gripped; in actual application, before the motor train underframe is placed, the nut structure  156  can be gripped to screw the bolt bar  154 , so that the bevel cushion block  155  can approach the thread bushing  153  along with the bolt bar  154 , therefore, the interference when placing of the motor train underframe can be avoided; at this moment, the lateral holding structure  15  is in loosening state; after the motor train underframe is placed, the position thereof is adjusted and the lateral positioning structure  14  is in positioning state, the nut structure  156  can be gripped to screw the bolt bar  154 , so that the bevel cushion block  155  can be far from the thread bushing  153  along with the bolt bar  154 , and the bevel cushion block  155  can hold against the side beam of the motor train underframe closely; and at this moment, the lateral holding structure  15  is in closely holding state. 
     As shown in  FIGS. 1 ,  6  and  8 , the adjustable intermediate supporting structure  16  comprises a supporting holder  161  and a plurality of T-shaped cushion blocks  162 , the adjustable intermediate supporting structure is mainly used for supporting the floors of the motor train underframe; the supporting holder  161  is connected to the upper surface of the crossbeam  11  by bolts, the upper part of the supporting holder  161  is equipped with a U-shaped groove  163  along the axial direction of the crossbeam  11 , two side plates of the U-shaped groove  163  are oppositely equipped with a plurality of first via holes  164  (not shown in  FIG. 1  and  FIGS. 6-8 ) at intervals; the vertical parts of the T-shaped cushion blocks  162  are equipped with second via holes  165  corresponding to the first via holes  164 ; after the T-shaped cushion blocks are respectively plugged in the U-shaped grooves  163 , the T-shaped cushion blocks  162  can be connected with the U-shaped grooves by pins through the first via holes  164  in two side plates of the U-shaped grooves  163  and the second via holes  165  in the vertical parts of the T-shaped cushion blocks  162 ; and since the floors of the motor train underframe have height difference, the T-shaped cushion blocks  162  in different heights can be selected to be plugged in the U-shaped groove  163 , so as to meet the requirements of supporting the floors of the motor train underframe. 
     Further, as shown in  FIGS. 1 ,  9  and  11 , the embodiment of positioning and pressing device for the auxiliary machining of the motor train underframe further comprises two vertical positioning structures  17 , respectively mounted close to the two supporting frames; each vertical positioning structure  17  comprises a supporting holder and a positioning piece  171  for supporting the side beam and floors of the motor train underframe, the supporting holder comprises a supporting holder body  172  and two second corrugated pressure plates  173 ; firstly, the supporting holder body  172  can be placed on the crossbeam  11 , and then the two second corrugated pressure plates  173  can hold against two edges of the crossbeam  11  and be connected to two sides of the lower surface of the supporting holder body  172  by bolts, so that the supporting frame body  121  can be mounted on the upper surface of the crossbeam  11 ; further, the bolts for connecting the two second corrugated pressure plates  173  to the supporting holder body  172  can be loosened, and the clearances of the two corrugated pressure plates  173  can be clamped on two edges of the crossbeam  11 , so that the supporting holder body  172  can be mounted in sliding manner on the crossbeam  11 , and the positioning piece  171  is connected to the upper part of the supporting holder body  172  by bolts. 
     In actual application, a plurality of positioning and pressing devices for the auxiliary machining of the motor train underframe in this embodiment can be applied to position and clamp the motor train underframe, in process as follows: before the motor train underframe is placed, the distance between the two supporting frames  12 , between the vertical positioning structures  17  and between the supporting frames  12  and the vertical positioning structures  17  can be adjusted according to the relevant sizes of the motor train underframe, then, the T-shaped cushion blocks  162  in proper height can be selected and inserted in the U-shaped groove, so that they are connected with each other by pins; meanwhile, the lateral positioning structure  14  can be in opening state, and the lateral holding structure  15  can be in loosening state; and the motor train underframe can be placed, then, the two vertical positioning structures  17  can hold against the side beam and floors on each side of the motor train underframe, and the position of the motor train underframe can be adjusted properly; finally, after the lateral positioning structure  14  is in positioning state, the lateral holding structure  15  can be in holding state, and the rotary vertical pressing structure  13  can press the side beams of the motor train underframe, so that the motor train underframe can be positioned and pressed. 
     In the embodiment of positioning and pressing device for the auxiliary machining of the motor train underframe, the motor train underframe can be positioned by the lateral positioning structure mounted on the side of one supporting frame on the positioning and pressing device, the motor train underframe can be clamped closely by the lateral holding structure on the side of the other supporting frame; the motor train underframe can be pressed closely by two rotary vertical pressing structures on the tops of the two supporting frames, for different types of motor train underframe, the adjustable intermediate supporting structures can be adjusted to adapt to the motor train underframe to be processed, furthermore, the motor train underframe can be pressed closely by assistance of a plurality of pressing devices, the tool for the auxiliary machining of the motor train for the auxiliary machining of the motor train underframe is modularized, and the present invention solves the technical problems of the present technology that the motor train underframe machining structure is large in volume and is not convenient for transportation and movement and the adjustability thereof is not good and not capable of meeting the requirements of the auxiliary machining of the motor train underframe with different types. 
     Embodiment 2 
       FIG. 15  is the solid figure of the pressing device for the auxiliary machining of the motor train underframe. As shown in  FIGS. 1 to 15 , the difference between the pressing device of this embodiment and the positioning and pressing device of embodiment 1 is that the pressing device of this embodiment does not have lateral positioning structure  14  and lateral holding structure  15 , and the remaining structures are the same as the positioning and pressing devices, and therefore the remaining structures are not described again herein. 
     Embodiment 3 
     Further, this embodiment of the tool for the auxiliary machining of the motor train underframe comprises a plurality of positioning and pressing devices stated in the embodiment 1; or a plurality of positioning and pressing devices stated in the embodiment 1 and a plurality of pressing devices stated in the embodiment 2, and furthermore, the places of the tool corresponding to two ends of the motor train underframe can be equipped with at least one positioning and pressing device. Specifically, 
       FIG. 16  is the schematic diagram that the tool for the auxiliary machining of the motor train underframe clamps the motor train underframe. As shown in  FIG. 16 , the tool for the auxiliary machining of the motor train underframe of this embodiment comprises three positioning and pressing devices  21  stated in embodiment 1 and eight pressing devices  22  stated in embodiment 2, which are used to clamp the motor train underframe to be processed, wherein, the end of the tool corresponding to the motor train underframe is equipped with one positioning and pressing device  21 , and the other end is equipped with two positioning and pressing devices  21 , the eight pressing devices  22  are arranged between two positioning and pressing devices  21  with large distance; and generally, the distance between adjacent positioning devices and/or positioning and pressing devices should be basically equal. 
     Further, the end of the tool corresponding to the motor train underframe can also be equipped with one positioning and pressing device  21 , and the other end can be equipped with one positioning and pressing device  21 ; the middle position between the two positioning and pressing devices  21  can be equipped with one positioning and pressing device  21 ; and the eight pressing devices  22  can be divided into two groups, four pressing device  22  are in one group, and evenly arranged among the three positioning and pressing devices  21 . 
     According to the tool for the auxiliary machining of the motor train underframe of the embodiment, the motor train underframe can be positioned by the lateral positioning structure on the side of one supporting frame on the positioning and pressing device, the motor train underframe can be clamped closely by the lateral holding structure on the side of the other supporting frame, the motor train underframe can be pressed closely by two rotary vertical pressing structures on the tops of the two supporting frames, for different types of motor train underframe, the adjustable intermediate supporting structures can be adjusted to adapt to the motor train underframe to be processed, furthermore, the motor train underframe can be pressed closely by assistance of a plurality of pressing devices, the tool for the auxiliary machining of the motor train underframe is modularized, and the present invention solves the technical problems of the present technology that the motor train underframe machining structure is large in volume and is not convenient for transportation and movement and the adjustability thereof is not good and not capable of meeting the requirements of the auxiliary machining of the motor train underframe with different types. 
     Finally, it should noted that the above embodiments are merely provided for describing the technical solutions of the present invention, but not intended to limit the present invention. It should be understood by those of ordinary skill in the art that although the present invention has been described in detail with reference to the foregoing embodiments, modifications can be made to the technical solutions described in the foregoing embodiments, or equivalent replacements can be made to some technical features in the technical solutions, as long as such modifications or replacements do not cause the essence of corresponding technical solutions to depart from the scope of the present invention.