Patent Description:
A guard rail locking device according to the preamble of claim <NUM> is known from <CIT>.

From <CIT> a device is known in which the fasteners can slide relative to each other and are locked on the railway track by a spring.

Along with the development of science and technology, the progress of times, the domestic and foreign railway development is rapid, which has given rise to a lot of form a complete set of rail construction, with the increase of railway construction, the construction safety has received wide attention of railway construction, this needs a kind of railway construction in protective safety barrier, to remind and avoid other than construction personnel or vehicles to enter the construction site.

Please refer to <FIG>, usually for the existing security fence <NUM> lock module <NUM> lock on <NUM> tracks, lock module <NUM> through down regulating the location of the screw nut on <NUM>, <NUM>, the moving parts move down and forced the strut of <NUM><NUM> to <NUM> track direction, moving forward at the bottom of the strut <NUM> bolster a <NUM>, <NUM> support bar along the railway within <NUM> of the inclined plane moving up, until the ends of the up and down that supports <NUM> clamping respectively in <NUM> tracks and two inside surface, thus will lock module <NUM> lock on <NUM> tracks.

It can be seen from the above that the length of the support piece <NUM> and the distance between the upper and lower inner sides of the rail line <NUM> need to be matched. If the support piece <NUM> is too long or too short, it cannot be stuck on the rail line <NUM>, thus leading to the locking module <NUM> of a specification that can only be locked on the rail line that matches it. However, the existing <NUM> tracks up and down the height between the two inner side is not a fixed value, it can differ according to road condition and is set to different values, and the current lock module <NUM> does not meet the requirements of different size, the need to customize a variety of different specifications according to the height of <NUM> different tracks of the clamping piece, waste a great deal of production materials. In addition, each locking module weighs about <NUM>, and it is not easy to separate into multiple small parts, resulting in the need to consume a certain amount of physical strength in the process of handling and installation, and poor practicability.

For this purpose, the invention aims at providing a guardrail locking device to solve the problem that the current locking firmware cannot meet multiple size requirements and has poor applicability.

To achieve the above purposes, the invention mainly adopts the following technical scheme:
The invention relates to a guardrail locking device according to claim <NUM>.

Further, the card plate is connected to the bottom plate in one piece, and the press plate is dismountable to the bottom plate.

Further, the bottom of the bottom plate is provided with a card slot, and the card slot extends from the bottom plate end on one side of the mounting presser plate to the direction of the card plate; The middle part of the groove bottom of the card groove is provided with a bayonet, and the bayonet runs vertically through the bottom plate.

Further, the bottom surface of the press plate is provided with a fastener, and the fastener is an inverted t-shaped arrangement, which comprises a connecting column and a limit table at the bottom end of the connecting column, the connecting column is arranged in the bayonet of the bottom plate, and the limit table card is arranged on the bottom surface of the bottom of the slot.

Further, the bottom plate and the connecting rod are respectively connected to the two ends of the press plate, and the card plate is an independent part.

Further, the bottom of the bottom plate is provided with a card groove, and the middle of the slot bottom of the card groove is provided with a bayonet, and the bottom surface of the press plate is provided with a buckle, and the buckle is arranged through the bayonet and on the bottom surface of the card groove.

To sum up, the guardrail locking device of the invention is provided by setting a press plate, a bottom plate, a card plate and a connecting rod. The bottom plate passes through the bottom of the railway track and is connected to the press plate and the card plate, and the connecting rod is connected to the press plate; The card plate and the card plate are respectively locked on two opposite sides of the rail through fasteners, so that the locking of the connecting rod can be realized. The guardrail locking device of the invention can be used on rails of different widths, which has high activity, strong practicability and greatly saves the use of materials. In addition, because rails located in orbit pillow, and there is a big gap between the ground track, and track the clearance between the ground and does not affect the operation of railway, the present invention makes full use of the tracks at the bottom of the gap with simple installation guardrail locking device, on the premise of not affect the normal use of the tracks, the locking device installation is more simple and stable.

In order to make the purpose, technical scheme and advantages of the invention clearer, the invention is further described in detail with the attached drawings and embodiments as follows.

As shown in <FIG>, the first example of the simple guardrail locking device <NUM> is used to lock the safety guardrail <NUM> to the rail <NUM>. The simple guardrail locking device <NUM> comprises a fastener <NUM> and a mounting device <NUM>, which are respectively locked on two opposite sides of the rail <NUM> through fasteners <NUM>, the mounting device <NUM> is mounted on the fastener <NUM>, and the safety guardrail <NUM> is locked on the mounting device <NUM>.

The card fastener <NUM> comprises a bottom plate <NUM> and a card plate <NUM> connected to the bottom plate <NUM>, and the card plate <NUM> and the bottom plate <NUM> are arranged at an included Angle less than or equal to <NUM> degrees. The card plate <NUM> is provided with a screw hole <NUM> for locking fastener <NUM>, and the bottom of the bottom plate <NUM> is provided with a card slot <NUM>, and the card slot <NUM> extends from the <NUM> end of the bottom plate far away from the card plate in the direction of the press plate. The middle part of the groove bottom of slot <NUM> is provided with a bayonet <NUM>, which runs vertically through the bottom plate <NUM>. The bayonet <NUM> is arranged in a horizontal direction as long as the card slot <NUM>, and the bottom of the card slot <NUM> on both sides of the bayonet <NUM> forms a two-limit step surface <NUM>. A plurality of mounting holes <NUM> are arranged on the top surface of bottom plate <NUM> on both sides of the extension direction of the bayonet <NUM>.

The mounting part <NUM> comprises a press plate <NUM> and a connecting rod <NUM> connected to a press plate <NUM>, and the press plate <NUM> and the connecting rod <NUM> are arranged at an included Angle greater than or equal to <NUM> degrees. The middle part of press plate <NUM> is provided with mounting hole <NUM> for locking fastener <NUM>, and the bottom part of press plate <NUM> is provided with two guide columns <NUM> extending downward, and the guide columns <NUM> are assembled in the corresponding limiting hole <NUM> on both sides of the bayonet.

During installation, the bottom plate <NUM> of the fastener <NUM> of the card is arranged at the bottom of the track <NUM>, and the card plate <NUM> is arranged at the bottom of the track <NUM> and locked by fastener <NUM>; The guide column <NUM> of the mounting piece <NUM> is inserted into the mounting hole <NUM> of the fastener piece <NUM>, and the press plate <NUM> of the mounting piece <NUM> is locked on the other side of the track <NUM> through the fastener <NUM>. The locking device in this embodiment can be adapted to track <NUM> of different sizes by adjusting the mounting position of guide column <NUM> on the coupler <NUM>.

As shown in <FIG>, the guardrail locking devices in the second example, the simple guardrail locking devices and implementation of the first cases of the similar structure, including fasteners <NUM> and install a <NUM> a, described card fastener <NUM> and install a <NUM> respectively by <NUM> locking fasteners in <NUM> tracks on two relative sides, referred to install a <NUM> on a card in card fastener <NUM>. The difference between this embodiment and the first example is that the mounting part 50a comprises a press plate 51a, a mounting part 53a and a connecting rod 52a. The mounting part 53a is provided with a limiting hole 54a, which runs through the mounting part 53a along the extension direction of the mounting part 50a. During installation, the bottom plate <NUM> of the card coupler <NUM> is arranged in the limit hole 54a of the mounting piece 50a.

The first embodiment of the simple guardrail locking device of the invention is shown in <FIG>, the barrier of locking devices in this simple guardrail locking devices and in the first example of similar structure, including fasteners <NUM> and 50b, install a card fastener described <NUM> and install a 50b respectively through <NUM> locking fasteners in <NUM> tracks on two relative sides, described in the installation of a 50b card in card fastener <NUM>. This example and the example of the difference is that install a <NUM> a, including 51b and connecting rod clamp 52b, described platen 51b is equipped with a card attached to the clasp of 53b, 53b card buckle department described is an inverted T Settings, including connection column b and limit 55b, <NUM> described ends column 54b respectively connected on the platen 51b and limit 55b. Wherein, the width of the connecting column 54b is less than the width of the bayonet <NUM> on the fastener <NUM>, and the width of the limiting station 55b is greater than the width of the bayonet <NUM>. During installation, the connection column 54b is arranged inside the bayonet <NUM> of the card coupler <NUM>, the limit station 55b is arranged inside the card slot <NUM> at the bottom of the card coupler <NUM>, and the limit step <NUM> restricts the limit station 55b.

As shown in <FIG> and <FIG>, the third example, simple guardrail locking devices are described including card fastener 40c and install a 50c, described card fastener 40c and 50c respectively through <NUM> lock fastener installation pieces to <NUM> tracks on two relative sides, 40c card fastener installation on a 50c in stated, described security fence <NUM> lock on the installation described a 50c. The card fastener 40c comprises the main body and two guide columns 41c arranged on the bottom surface of the main body, and the guide columns 41c and the main body are arranged at an Angle greater than <NUM> degrees and less than <NUM> degrees. The main body is provided with a 42c screw hole for locking fastener <NUM>.

The mounting piece 50c comprises presser 51c and the connecting rod 52c connected to both ends of presser 51c and the bottom plate 53c. The presser 51c and the bottom plate 53c are arranged at an Angle less than or equal to <NUM> degrees, and the connecting rod 52c is arranged parallel to the bottom plate 53c. The bottom of the bottom plate 53c is provided with a card slot 54c, which extends from the free end of the bottom plate 53c to the direction 51c of the press plate. The middle part of the slot bottom of the card slot 54c is provided with a bayonet 55c, and the bayonet 55c is arranged in a horizontal direction equal to the length of the card slot 54c, and the bayonet 55c runs vertically through the bottom plate 53c. The clamping groove 54c on both sides of the 55c of the bayonet forms two limit step surfaces. A plurality of mounting holes 56c are arranged on the top surface of the bottom plate 53c on both sides of the extension direction of the 55c of the bayonetting.

During installation, the bottom plate 53c of the mounting part 50c is arranged through the bottom of the track <NUM>, and the press-plate 52c card is arranged on the inside surface of the track; The guide column 41c card of the fastener 40c is arranged in the mounting hole 56c on the bottom plate 53c, and the main part of the fastener 40c is locked on the other side of the track <NUM> through the fastener <NUM>.

As shown in <FIG>, it is the fourth example of the simple guardrail locking device. The structure of the simple guardrail locking device is basically the same as that of the first example, which also includes card fastener 40d and mounting piece 50c. The difference is that the 40d of the card fastener includes the 41d of the buckle and the 42d of the mounting part, and the 43d of the limiting hole is arranged on the 42d of the mounting part, and the 43d of the limiting hole runs through the 42d of the mounting part along the horizontal extension direction of the 40d of the card fastener. During installation, the bottom plate 53c of the mounting part 50c is arranged in the limit hole 43d of the card coupler 40d.

As shown in <FIG>, it is the second embodiment of the simple guardrail locking device of the invention. The structure of the simple guardrail locking device of this embodiment is basically the same as that of the first embodiment, which also includes card fastener 40e and mounting piece 50c. The difference is that the card fastener 40e comprises a card plate 41e and a buckle part 42e arranged at the bottom of the card plate 41e. The buckle part 42e is an inverted t-shaped arrangement, which comprises a connection column 43e and a limit station 44e. The two ends of the connection column 43e are connected to the card plate 41e and a limit station 44e respectively. Wherein, the width of the connection column 43e is less than the width of the bayonet 55c on the mounting part 50c, and the width of the limit station 44e is greater than the width of the bayonet 55c. During installation, the connection column 43e is arranged in the bayonetage 55c of the mounting part 50c, the limit station 43e card is arranged in the card slot 54c, and the limit step limits the limit station 43e.

To sum up, the simple guardrail locking device of the invention is provided by setting a press plate, a bottom plate, a card plate and a connecting rod. The bottom plate passes through the bottom of the railway track and is connected to the press plate and the card plate, and the connecting rod is connected to the press plate; The card plate and the card plate are respectively locked on two opposite sides of the rail through fasteners, so that the locking of the connecting rod can be realized. The simple guardrail locking device of the invention can be used on rails of different widths, which has high activity, strong practicability and greatly saves the use of materials. In addition, because the track is located <NUM> on-orbit pillow, <NUM> tracks and there is a big gap between the ground, and <NUM> tracks and ground clearance does not affect the operation of railway, the present invention makes full use of the tracks at the bottom of the gap with simple installation guardrail locking device, on the premise of not affect the normal use of the tracks, the locking device installation is more simple and stable.

Claim 1:
A guardrail locking device, which is used to install a safety guardrail on a railway track comprising:
- a card plate (<NUM>),
- a press plate (<NUM>),
- a bottom plate (<NUM>) arranged horizontally,
- a connecting rod (<NUM>), attached to the press plate (<NUM>),
- a number of fasteners (<NUM>, <NUM>, <NUM>),
- an adjusting part is arranged on the bottom plate (<NUM>) to adjust the distance between the card plate (<NUM>) and the press plate (<NUM>), wherein:
- the card plate (<NUM>) and press plate (<NUM>) spacing can be arranged on the bottom plate (<NUM>),
- the card plate (<NUM>) and the press plate (<NUM>) are arranged in a vertical parallel arrangement or a tilted extension arrangement,
- one of the card plate (<NUM>) and press plate (<NUM>) is connected to the bottom plate (<NUM>) in one piece, the other one of the card plate (<NUM>) and the press plate (<NUM>) is detachable and mountable on the adjusting part of the bottom plate (<NUM>),
- the card plate (<NUM>) and the press plate (<NUM>) can be locked on two opposite sides of a rail (<NUM>) of the railway track respectively through the fasteners (<NUM>, <NUM>, <NUM>),
characterized in that:
- the bottom of the bottom plate (<NUM>) is provided with a card slot (<NUM>, 54c), and the middle of the slot bottom is provided with a bayonet (<NUM>, 55c), the bayonet runs vertically through the bottom plate (<NUM>), the bayonet (<NUM>, 55c) is arranged in a horizontal direction as long as the card slot (<NUM>, 54c), and the bottom of the card slot on both sides of the bayonet (<NUM>, 55c) forms a two-limit step surface (<NUM>), and
- the bottom of the card plate (<NUM>) surface or the bottom of the press plate (<NUM>) surface, when detachable and mountable on the adjusting part of the bottom plate, is provided with a buckle (53b) part arrangeable through the bayonet (<NUM>, 55c), the buckle part (53b) is an inverted t-shape setting, which includes a connecting column and a limit table at the bottom end of the connecting column, the connecting column is arranged in the bayonet (<NUM>, 55c) of the bottom plate (<NUM>), and the limit table card is arrangeable on the bottom surface of the groove.