Patent Description:
A reciprocating impact or sawing mining machine features little dust, low energy consumption and high lumping rates during mining, and is the most advanced and scientific mining apparatus. However, its materials produced under impact are piled up in reciprocating impact tooth holders, which makes a machine body travel with great resistance and further results in difficulty in traveling or even halt due to frequent overloading. In order to solve the problem that a motor is overloaded and burned down or damaged due to resistance increase of accumulated materials, the present invention provides a method for rotary clearing in a stripping tooth holder of a mining machine and a rotary clearing device in a stripping tooth holder implementing the method.

<CIT> discloses a coal mining device, specifically a crusher hammer type hydraulic impact coal mining machine, including a machine body, an arm and a traction portion locating part at two ends of the machine body, wherein on end of the arm is connected to the machine body, and the arm is further connected to an oil cylinder, and the other end of the oil cylinder is fixed on the machine body, a impact part is connected to the other end of the arm, and <NUM> degree crankshaft is arranged on the impact part.

<CIT> discloses a device for converting a rotational motion into a reciprocating impact motion. The device includes a machine body, a walking part and a reciprocating impact part, the reciprocating impact part includes an impact driving mechanism, a rocker arm and an impact head; the impact driving mechanism includes an impact power source component, a transmission component and a crankshaft, the transmission component includes a power gear and a transmission gear; the impact power source component includes a power output shaft; the power output shaft is arranged perpendicular to the rocker arm, and is arranged parallel to the transmission shaft and the crankshaft, so that the transmission gear drives the crankshaft to rotate into a reciprocating motion, or the power output shaft is arranged parallel to the rocker arm, and the crankshaft is driven to convert a rotational motion into a reciprocating motion.

The present invention is implemented through the following technical solution:
a rotary clearing device in a stripping tooth holder includes a reciprocating impact power box, a machine body, a stripping tooth holder, a rotary clearer supporting mechanism, a rotary clearer, etc., where the rotary clearer includes a shifter, a clearing drive roller, etc., the reciprocating impact power box includes a reciprocating impact power box power member, etc., the reciprocating impact power box power member supports and drives the stripping tooth holder, the rotary clearer supporting mechanism is arranged on the reciprocating impact power box or on the stripping tooth holder, a rear end of the stripping tooth holder is connected to the reciprocating impact power box power member, a front end of the stripping tooth holder is provided with a reciprocating impact tooth or a reciprocating impact saw plate, the rotary clearer is arranged in a rotary discharging tooth holder hole of the stripping tooth holder, the rotary clearer rotates under supporting by the rotary clearer supporting mechanism, the clearing drive roller rotates to drive the shifter, and the shifter spirally pushes material stripped off by the stripping tooth holder out of the rotary discharging tooth holder hole.

The shifter includes an inclined clearing plate, an inclined clearing tooth, a clearing rake, a clearing flat plate, etc., a surface of the inclined clearing plate forms a discharging included angle with an axis of the clearing drive roller, and the inclined clearing plate rotates to drive the material out of the rotary discharging tooth holder hole under the discharging included angle, so as to clear the material stripped off by the stripping tooth holder in time, prevent material accumulation and blockage and reduce traveling resistance of a machine body.

The rotary discharging tooth holder hole includes a circular discharging hole, a rectangular discharging hole, an elliptical discharging hole, a triangular discharging hole, etc., and when the circular discharging hole is used, an axis of the circular discharging hole and an axis of the rotary clearer are coaxial, for facilitating clearing of a large quantity of material in the rotary discharging tooth holder hole, or not coaxial.

The rotary clearing device in a stripping tooth holder includes a machine body, the machine body supports the reciprocating impact power box, and the rotary clearer supporting mechanism is arranged on the reciprocating impact power box or on the machine body.

The reciprocating impact saw plate includes a reciprocating impact saw blade, a reciprocating impact saw rhombic frame, a reciprocating impact saw rectangular frame, a reciprocating impact saw circular frame, a reciprocating impact saw elliptical frame, etc., the stripping tooth holder includes a material impact section, etc., and the reciprocating impact saw blade is arranged along the material impact section, such that the stripping tooth holder forms a tooth ring frame impact saw towards the material.

The stripping tooth holder includes a left stripping tooth ring, a right stripping tooth ring, etc., a tooth ring baffle plate is arranged, towards the reciprocating impact power box, between the left stripping tooth ring and the right stripping tooth ring, the stripping tooth holder is connected to the reciprocating impact power box power member through the tooth ring baffle plate or the left stripping tooth ring or the right stripping tooth ring, the reciprocating impact power box power member drives the stripping tooth holder to impact for sawing in a reciprocating manner, the rotary clearer supporting mechanism is arranged on the reciprocating impact power box or on the machine body, the rotary clearer rotates under supporting by the rotary clearer supporting mechanism, and when a lump material is stuck between the rotary clearer and the stripping tooth holder, the stripping tooth holder reciprocates to break the lump material, such that the rotary clearer can smoothly spirally push the material out of the rotary discharging tooth holder hole.

The inclined clearing plate includes curved clearing plates, etc., the curved clearing plates form a spiral clearer, and the material may be spirally pushed out of one side of the rotary discharging tooth holder hole through the spiral clearer conveniently.

In the figures: <NUM>-rotary clearing device in a stripping tooth holder, <NUM>-reciprocating impact power box, <NUM>-stripping tooth holder, <NUM>-rotary clearer supporting mechanism, <NUM>-rotary clearer, <NUM>-shifter, <NUM>-clearing drive roller, <NUM>-reciprocating impact power box power member, <NUM>-reciprocating impact tooth, <NUM>-reciprocating impact saw plate, <NUM> -rotary discharging tooth holder hole, <NUM>-inclined clearing plate, <NUM>-inclined clearing tooth, <NUM>-clearing rake, <NUM>-clearing flat plate, <NUM>-discharging included angle, <NUM>-circular discharging hole, <NUM>-rectangular discharging hole, <NUM>-machine body, <NUM>-reciprocating impact saw blade, <NUM>-reciprocating impact saw rhombic frame, <NUM>-material impact section, <NUM>-tooth ring frame impact saw, <NUM>-left stripping tooth ring, <NUM>-right stripping tooth ring, <NUM>-tooth ring baffle plate, <NUM>- curved clearing plate and <NUM>-spiral clearer.

As shown in <FIG>, a rotary clearing device in a stripping tooth holder <NUM> includes a reciprocating impact power box <NUM>, a stripping tooth holder <NUM>, a rotary clearer supporting mechanism <NUM> and a rotary clearer <NUM>, where the rotary clearer <NUM> includes a shifter <NUM> and a clearing drive roller <NUM>, the reciprocating impact power box <NUM> includes a reciprocating impact power box power member <NUM>, the reciprocating impact power box power member <NUM> supports and drives the stripping tooth holder <NUM>, the rotary clearer supporting mechanism <NUM> is arranged on the reciprocating impact power box <NUM>, a rear end of the stripping tooth holder <NUM> is connected to the reciprocating impact power box power member <NUM>, a front end of the stripping tooth holder is provided with a reciprocating impact tooth <NUM>, the rotary clearer <NUM> is arranged in the rotary discharging tooth holder hole <NUM> of the stripping tooth holder <NUM>, the rotary clearer <NUM> rotates under supporting by the rotary clearer supporting mechanism <NUM>, the clearing drive roller <NUM> rotates to drive the shifter <NUM>, and the shifter <NUM> spirally pushes material stripped off by the stripping tooth holder <NUM> from the rotary discharging tooth holder hole <NUM>.

As shown in <FIG>, the rotary clearer supporting mechanism <NUM> may be arranged on the stripping tooth holder <NUM> alternatively.

Alternatively, the front end of the stripping tooth holder may be provided with a reciprocating impact saw plate <NUM>.

As shown in <FIG>, the shifter <NUM> includes an inclined clearing plate <NUM>, a surface of the inclined clearing plate <NUM> forms a discharging included angle <NUM> with an axis of the clearing drive roller <NUM>, and the inclined clearing plate <NUM> rotates to drive material out of the rotary discharging tooth holder hole <NUM> under the discharging included angle <NUM>, so as to clear the material stripped off by the stripping tooth holder <NUM> in time and prevent material accumulation and blockage.

As shown in <FIG>, the shifter <NUM> may also include an inclined clearing tooth <NUM>, a clearing rake <NUM> or a clearing flat plate <NUM>.

The other contents are the same as those of Embodiment <NUM>.

As shown in <FIG>, the rotary discharging tooth holder hole <NUM> includes a circular discharging hole <NUM>, and when the circular discharging hole <NUM> is used, an axis of the circular discharging hole <NUM> and an axis of the rotary clearer <NUM> are coaxial, for facilitating clearing of a large quantity of material in the rotary discharging tooth holder hole <NUM>.

As shown in <FIG>, the rotary discharging tooth holder hole <NUM> may also include a rectangular discharging hole <NUM>, an elliptical discharging hole or a triangular discharging hole.

Alternatively, the axis of the circular discharging hole <NUM> and the axis of the rotary clearer <NUM> are not coaxial.

As shown in <FIG>, the rotary clearing device <NUM> in the stripping tooth holder <NUM> includes a machine body <NUM>, the machine body <NUM> supports the reciprocating impact power box <NUM>, and the rotary clearer supporting mechanism <NUM> is arranged on the reciprocating impact power box <NUM>.

Alternatively, the rotary clearer supporting mechanism <NUM> may be arranged on the machine body <NUM>.

As shown in <FIG>, the reciprocating impact saw plate <NUM> includes a reciprocating impact saw blade <NUM>, the stripping tooth holder <NUM> includes a material impact section <NUM>, and the reciprocating impact saw blade <NUM> is arranged along the material impact section <NUM>, such that the stripping tooth holder <NUM> forms a tooth ring frame impact saw <NUM> towards the material.

As shown in <FIG>, the reciprocating impact saw plate <NUM> may also include a reciprocating impact saw rhombic frame <NUM> or a reciprocating impact saw rectangular frame or a reciprocating impact saw circular frame or a reciprocating impact saw elliptical frame.

As shown in <FIG>, the stripping tooth holder <NUM> includes a left stripping tooth ring <NUM> and a right stripping tooth ring <NUM>, a tooth ring baffle plate <NUM> is arranged, towards the reciprocating impact power box <NUM>, between the left stripping tooth ring <NUM> and the right stripping tooth ring <NUM>, the stripping tooth holder <NUM> is connected to the reciprocating impact power box power member <NUM> through the tooth ring baffle plate <NUM>, the reciprocating impact power box power member <NUM> drives the stripping tooth holder <NUM> to impact for sawing in a reciprocating manner, the rotary clearer supporting mechanism <NUM> is arranged on the reciprocating impact power box <NUM>, the rotary clearer <NUM> rotates under supporting by the rotary clearer supporting mechanism <NUM>, and when a lump material is stuck between the rotary clearer <NUM> and the stripping tooth holder <NUM>, the stripping tooth holder <NUM> reciprocates to break the lump material, such that the rotary clearer <NUM> may smoothly spirally push the material out of the rotary discharging tooth holder hole <NUM>.

Alternatively, the stripping tooth holder <NUM> may be connected to the reciprocating impact power box power member <NUM> through the left stripping tooth ring <NUM> or the right stripping tooth ring <NUM>.

As shown in <FIG>, the inclined clearing plate <NUM> includes curved clearing plates <NUM>, the curved clearing plates <NUM> form a spiral clearer <NUM>, and the material may be spirally pushed out of one side of the rotary discharging tooth holder hole <NUM> through the spiral clearer <NUM> conveniently.

Claim 1:
A method for rotary clearing in a stripping tooth holder of a reciprocating impact mining machine, characterized in that
(<NUM>) a stripping tooth holder (<NUM>) is arranged, a rear end of the stripping tooth holder (<NUM>) being connected to a reciprocating impact power box power member (<NUM>), and a front end of the stripping tooth holder (<NUM>) being provided with a reciprocating impact tooth (<NUM>) or a reciprocating impact saw plate (<NUM>);
(<NUM>) a rotary discharging tooth holder hole (<NUM>) is provided between the rear end of the stripping tooth holder (<NUM>) and the front end of the stripping tooth holder (<NUM>);
(<NUM>) a shifter (<NUM>) is arranged, specifically on a clearing drive roller (<NUM>) to form a rotary clearer (<NUM>);
(<NUM>) a rotary clearer supporting mechanism (<NUM>) is arranged on a reciprocating impact power box (<NUM>) or the stripping tooth holder (<NUM>);
(<NUM>) the rotary clearer (<NUM>) is arranged in the rotary discharging tooth holder hole (<NUM>) of the stripping tooth holder (<NUM>), such that the rotary clearer (<NUM>) rotates supported by the rotary clearer supporting mechanism (<NUM>);
(<NUM>) the stripping tooth holder (<NUM>) is driven to make the reciprocating impact tooth (<NUM>) or the reciprocating impact saw plate (<NUM>) strip off material from a material wall; and
(<NUM>) the clearing drive roller (<NUM>) is made to rotate, and the material stripped off by the stripping tooth holder (<NUM>) is spirally pushed by the shifter (<NUM>) to a conveyor.