CN220920280U - Intelligent cleaning device for concrete pouring pump pipe - Google Patents

Abstract

The utility model discloses an intelligent cleaning device for a concrete pouring pump pipe, which comprises the following components: the winch mechanism comprises a table-type bracket, a guide rail fixed on the table-type bracket, two sliding blocks slidably arranged on the guide rail, and two winches positioned at two ends of the guide rail; the pump pipe support and the crushed concrete collecting platform comprise a pump pipe support fixed on the guide rail and a crushing plate positioned above the guide rail, wherein the concrete pump pipe is fixed in the pump pipe support, and the crushing plate is positioned below an outlet of the concrete pump pipe and is used for collecting concrete condensed on the concrete pump pipe; the drill rod mechanism is fixed on one of the sliding blocks and positioned at one side of the pump pipe bracket and used for crushing the concrete blocked in the concrete pump pipe; the water gun mechanism is used for scattering the concrete attached to the concrete pump pipe and flushing out of the concrete pump pipe. The utility model can clean the concrete pump pipe twice, and can wash off and discharge the concrete attached to the concrete pump pipe, thereby cleaning the concrete pump pipe more effectively and thoroughly.

Description

Intelligent cleaning device for concrete pouring pump pipe

Technical Field

The utility model relates to the technical field of building construction engineering, in particular to an intelligent cleaning device for a concrete pouring pump pipe.

Background

The concrete pump pipe is also called a truck pump pipe and a ground pump pipe, and is a conveying pipe of the concrete pump. The pump pipe clamp is used for connection, a mode of manually conveying concrete in the past is replaced by a mode of mechanical transmission, the efficiency of building construction is greatly improved, the construction and use are convenient, and the method is widely applied in the field of engineering construction. In the use process of the concrete pump pipe, the pump pipe is often connected into a long transportation pipe, concrete is often easy to condense in the pump pipe in the transmission process, and the efficiency of the concrete is reduced and even the pipe is blocked.

Most of the instruments for cleaning concrete pump pipes on the market break concrete and then remove the concrete, but part of concrete residues still remain on the pipes and cannot be thoroughly cleaned, so that the use is affected. Therefore, an intelligent cleaning device for the concrete pouring pump pipe is needed.

Disclosure of utility model

In order to overcome the defects of the prior art, the technical problem to be solved by the utility model is to provide the intelligent cleaning device for the concrete pouring pump pipe, which can clean the blocked concrete pump pipe twice, wash off and discharge the concrete attached to the concrete pump pipe, and can clean the concrete pump pipe more effectively and thoroughly.

In order to achieve the above purpose, the utility model provides an intelligent cleaning device for a concrete pouring pump pipe, comprising: the winch mechanism comprises a table-type bracket, a guide rail fixed on the table-type bracket along the length direction of the table-type bracket, two sliding blocks which are slidably arranged on the guide rail, and two winches which are fixed on the top surface of the table-type bracket and are positioned at two ends of the guide rail; the winch is used for driving the sliding block to move back and forth along the direction of the guide rail; the pump pipe support and the crushed concrete collecting platform comprise a pump pipe support fixed on the guide rail and a crushing plate positioned above the guide rail, wherein a concrete pump pipe is fixed in the pump pipe support, and the crushing plate is positioned below an outlet of the concrete pump pipe and is used for collecting the condensed concrete on the concrete pump pipe; the drill rod mechanism is fixed on one of the sliding blocks and positioned at one side of the pump pipe bracket and used for crushing the concrete blocked in the concrete pump pipe; the water gun mechanism is fixed on the other sliding block and positioned at the other side of the pump pipe support and is used for flushing out the concrete attached to the concrete pump pipe and flushing out the concrete pump pipe.

Preferably, the water gun mechanism comprises a water gun support fixed on the sliding block, a water gun pipeline arranged in the water gun support and a water gun spray head fixed at the end part of the water gun pipeline, and the water gun pipeline is connected with a water pump.

Further, the water gun support comprises a water gun support frame fixed above the sliding block through screws, wherein the water gun support frame is provided with an upper concave structure and a lower concave structure which limit the longitudinal movement of the water gun pipeline; the two sides of the water gun support frame are in threaded connection with screw rods a used for limiting the transverse movement of the water gun pipeline.

Preferably, the drill rod mechanism comprises a motor bracket fixed on the sliding block, a motor fixed in the motor bracket, a drill rod connected with the motor through a coupler, and a tricone bit connected with the drill rod through a sleeve.

Further, the winch comprises a fixed frame, a worm arranged in the fixed frame and a worm wheel meshed with the worm, the worm wheel is sleeved on a rope winding drum, a steel wire rope is wound on the rope winding drum, and the other end of the steel wire rope is fixedly connected with the sliding block through a buckle.

Preferably, the pump pipe support comprises a pump pipe support frame, the pump pipe support frame comprises a lower groove-shaped structure for placing the concrete pump pipe and limiting the transverse displacement of the concrete pump pipe, a support upper structure moving up and down in the pump pipe support frame, and a screw b fixed with the support upper structure, wherein the screw b is in threaded connection with the top of the pump pipe support frame, and the support upper structure is controlled to move up and down through an adjusting screw b so as to press the concrete pump pipe.

Further, the breaking plate is formed by welding a steel plate on the upper portion and a cuboid steel sliding block on the lower portion, the cuboid steel sliding block moves on a sliding rail, and the sliding rail is fixed on the table-type support through welding.

Further, the breaking plate is driven by the air cylinder mechanism to move along the direction of the sliding rail, the air cylinder mechanism comprises an air cylinder and a hinged joint connected with the telescopic end of the air cylinder, and the hinged joint is fixed on a cuboid steel sliding block at the lower part of the breaking plate through a bolt.

The intelligent cleaning device for the concrete pouring pump pipe is integrally divided into four parts, namely a winch mechanism, a water gun mechanism, a pump pipe support, a crushed concrete collecting platform and a drill rod mechanism, wherein the winch mechanism is used for supporting, stabilizing and moving the device, the drill rod mechanism is used for cleaning the concrete pump pipe for the first time through a tricone bit, the water gun mechanism enters the concrete pump pipe for carrying out secondary cleaning on the concrete pump pipe under the action of the winch mechanism, the pump pipe support is used for fixing the concrete pump pipe through a support upper structure and a pump pipe support frame, and crushed concrete residues during secondary cleaning are collected through a crushing plate.

Compared with the prior art, the intelligent cleaning device for the concrete pouring pump pipe at least comprises the following components

The beneficial effects are that:

1. The device is mostly a steel member, and has the advantages of good stability, low cost and strong practicability.

2. The drill bit adopts the tricone bit, has strong impact force, high drilling speed and high drilling efficiency, ensures that broken concrete is easier to block, has longer service life, can replace tricone, and fully improves the service life of the device.

3. The device provides a power source through the winch mechanism, has high power, provides sufficient power, and pulls the sliding block to move through the stretching of the steel wire rope, so that the moving speed is adjustable and controllable, the failure rate is low, and the working efficiency and the service life are greatly improved.

4. The blocked concrete pump pipe can be cleaned twice, and the concrete attached to the concrete pump pipe can be flushed and discharged, so that the concrete pump pipe can be cleaned more effectively and thoroughly.

Drawings

In order to more clearly illustrate the technical solutions of the present utility model, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a whole structure diagram of an intelligent cleaning device for a concrete pouring pump pipe;

FIG. 2 is a schematic view of the structure of the hoist mechanism of the present utility model;

FIG. 3 is a schematic view of a water gun mechanism according to the present utility model;

FIG. 4 is a schematic view of the pump tube support and crushed concrete collection platform of the present utility model;

FIG. 5 is a schematic view of the drill rod mechanism of the present utility model;

FIG. 6 is a schematic structural view of a pump tube bracket of the present utility model;

FIG. 7 is a schematic view of the cylinder mechanism of the present utility model;

Fig. 8 is a schematic structural view of a water gun stand according to the present utility model;

FIG. 9 is a pipe connection of the present utility model;

fig. 10 is a schematic structural view of the hoist of the present utility model.

In the figure:

1000-hoist mechanism:

1100-a desk type support;

1200-guide rail;

1300-sliders;

1400-a winch;

1401-a fixed frame, 1402-a rope reel, 1403-a worm, 1404-a worm wheel;

2000-squirt mechanism:

2100-water pump;

2200-a water gun support;

2201-screw a, 2202-screw, 2203-gun rack frame;

2300-water gun pipe;

2400-squirt head;

3000-pump tube support and crushed concrete collection platform:

3100-pump tube mount;

3101-screw b, 3102-support superstructure, 3103-pump tube support frame;

3200-chipping plates;

3300-sliding rails;

3400-cylinder mechanism;

3401-an articulated joint and 3402-an air cylinder;

4000-drill rod mechanism:

4100—a motor mount;

4200-motor;

4300-a coupling;

4400-drill pipe;

4500-bits;

4501-tricone bit and 4502-barrel sleeve.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The intelligent cleaning device for the concrete pouring pump pipe is described in detail below with reference to fig. 1 to 10.

The intelligent cleaning device for the concrete pouring pump pipe integrally comprises a winch mechanism 1000, a water gun mechanism 2000, a pump pipe support, a crushed concrete collecting platform 3000 and a drill rod mechanism 4000, wherein the winch mechanism 1000 is used for supporting, stabilizing and moving the device, the drill rod mechanism 4000 is used for cleaning the concrete pump pipe for the first time through a tricone bit 4501, the water gun mechanism 2000 enters the concrete pump pipe for cleaning the concrete pump pipe for the second time through the action of the winch mechanism 1000, the pump pipe support and the crushed concrete collecting platform 3000 are used for fixing the concrete pump pipe through a support upper structure 3102 and a pump pipe support frame 3103, and crushed concrete residues during the second cleaning are collected through a crushed concrete dropping plate 3200. The following describes a few major parts of the device:

The hoist mechanism 1000 includes a table-type bracket 1100, a guide rail 1200, a slider 1300, and a hoist 1400, and the hoist 1400 includes a fixed frame 1401, a rope drum 1402, a worm 1403, and a worm wheel 1404, and the following describes the logical relationship of the above elements in detail:

The table-shaped support 1100 is used as a bearing part of each element, the structure is as shown in fig. 2, and the support is made of steel materials and is shaped like a table, is formed by welding a piece of steel plate and four pieces of square steel, and has good bearing capacity and stability. The guide rail 1200 is fixed to the top surface of the table-type bracket 1100 along the length direction of the table-type bracket 1100 by screws, and two sliding blocks 1300 are slidably mounted above the guide rail 1200 by grooves.

Two winches 1400 are fixed on the top surface of the table-type support 1100 and are positioned at two ends of the guide rail 1200, the winches 1400 are of the model KM500-1000, and the steel wire ropes are stretched to control the sliding blocks 1300 to move back and forth along the direction of the guide rail 1200 by utilizing the steel wire ropes and the buckles, so that the water gun mechanism 2000 and the drill rod mechanism 4000 are controlled to move, and the positions of the water gun mechanism 2000 and the drill rod mechanism 4000 are adjusted. The structure is as follows: the fixed frame 1401 is fixed to the top surface of the table frame 1100 by welding for fixedly supporting the hoist 1400, the worm 1403 is installed above the inside of the fixed frame 1401, the rotation of the worm 1403 is controlled by the motor, and the worm 1403 and the worm wheel 1404 are engaged with each other and driven to rotate, thereby driving the worm wheel 1404. The rope drum 1402 and the worm wheel 1404 are coaxially fixed and synchronously rotate, and the worm wheel 1404 is sleeved on the rope drum 1402. The rotation of the worm 1403 is controlled by the motor, so that the worm wheel 1404 is driven to rotate, the rope winding cylinder 1402 is driven to rotate, the steel wire rope is wound on the rope winding cylinder 1402, the other end of the steel wire rope is fixedly connected to the sliding block 1300 through a buckle, the winch 1400 is controlled by the motor to work, the rope winding cylinder 1402 rotates, the steel wire rope is pulled, and the other end of the steel wire rope is fixedly arranged on the sliding block 1300 through the buckle, so that the sliding block 1300 is driven to move. As shown in fig. 1 and 2, the left slider can be driven to retreat or the right slider can be driven to advance by the operation of the left winch; the left slide block can be driven to advance or the right slide block can be driven to retreat through the work of the right winch.

The pump pipe support and crushed concrete collection platform 3000 includes four parts, namely a pump pipe support 3100, a crush plate 3200, a slide rail 3300, and a cylinder mechanism 3400, wherein the pump pipe support 3100 includes a screw b3101, a support superstructure 3102, and a pump pipe support frame 3103, and the cylinder mechanism 3400 includes a hinge joint 3401 and a cylinder 3402, and the following describes the logical relationship of the above elements in detail:

as shown in fig. 4 and 6, a pump pipe bracket 3100 is used as a bearing structure of a concrete pump pipe, a pump pipe bracket frame 3103 is fixed on a guide rail 1200 through welding, the concrete pump pipe is placed on a lower groove structure of the pump pipe bracket frame 3103 to limit the transverse displacement thereof, a screw b3101 is connected with a bracket upper structure 3102 through welding, a screw b3101 is in threaded connection with the top of the pump pipe bracket frame 3103, and the up-and-down movement of the bracket upper structure 3102 is controlled through an adjusting screw b3101 to press the concrete pump pipe, thereby fixing the concrete pump pipe and limiting the longitudinal displacement thereof.

The dropping plate 3200 is used for collecting concrete which is poured by the water gun spray head 2400 and is condensed on a concrete pump pipe, so as to prevent concrete residues from dropping on the guide rail 1200 and affecting the movement of the sliding block 1300. As shown in fig. 4, the dropping plate 3200 is formed by welding an upper steel plate and a lower cuboid steel slide block, and can move on a slide rail 3300, and the slide rail 3300 is fixed on the table-type support 1100 by welding, so that the rigidity and the stability are good.

The cylinder mechanism 3400 comprises a hinge joint 3401 and a cylinder 3402, the hinge joint 3401 is connected to the telescopic end of the cylinder 3402, the hinge joint 3401 is fixed on a cuboid steel sliding block at the lower part of the blanking plate 3200 through bolts, the hinge joint 3401 is driven to advance through the operation of the cylinder 3402, so that the cuboid steel sliding block is pushed to advance, the blanking plate 3200 is pushed to advance on the sliding rail 3300 to reach a designated position, and when the cylinder 3402 works reversely, the hinge joint 3401 is driven to retreat, so that the blanking plate 3200 is pulled to retreat on the sliding rail 3300 to reach the designated position.

The water gun mechanism 2000 is fixed to one of the sliders 1300 and is located at one side of the pump tube bracket 3100. Water gun mechanism 2000 includes four parts of water pump 2100, water gun bracket 2200, water gun pipeline 2300, water gun nozzle 2400, water gun bracket 2200 includes screw a2201, screw 2202, water gun bracket frame 2203, the following describes the logical relationship of each element:

The water pump 2100 adopts a Bosch water pump DZB-0.75 model water pump, and is used as a power device of the water gun mechanism 2000, an impeller is rotated at a high speed by running a motor, the generated centrifugal force throws water to the periphery, the water is pressed into a volute to form vacuum suction water, and the water is thrown out of the volute to enter a water pipe, so that the water is converted into high-speed water flow.

The structure of the fixing device of the water gun frame 2200 as the water gun frame 2300 is shown in fig. 3 and 8, the water gun frame 2203 is fixed above the sliding block 1300 through the screw 2202, the water gun frame 2300 is arranged at the concave structure of the lower part of the water gun frame 2203, the longitudinal movement of the water gun frame 2300 is limited through the concave structure of the upper part and the lower part of the water gun frame 2203, and the transverse movement of the water gun frame 2300 is limited through adjusting the screw a2201 screwed on two sides of the water gun frame 2203, so that the water gun frame 2300 is fixed on the water gun frame 2203. The water gun nozzle 2400 is fixed to the end of the water gun pipe 2300 by welding, as shown in fig. 3, water is converted into high-speed water flow by the water pump 2100, the high-speed water flow flows into the water gun pipe 2300 through the water pipe, the high-speed water flow is diffused outwards by the nozzle 2400, and concrete attached to the concrete pump pipe is flung off by flushing, so that the concrete pump pipe is flung out.

The drill rod mechanism 4000 is fixed to the other slider 1300 and is located on the other side of the pump tube support 3100. The drill rod mechanism 4000 comprises a motor support 4100, a motor 4200, a coupling 4300, a drill rod 4400, and a drill bit 4500, wherein the drill bit 4500 comprises a tricone bit 4501 and a barrel 4502, and the logical relationships of the elements are described in detail below:

The motor bracket 4100 is fixed on the slide block 1300 by welding, has good stability, and as shown in fig. 5, the motor 4200 adopts 86 series Feng Jie FJ8s2105 type motors, is fixed in the motor bracket 4100, and the motor 4200 is connected with the drill rod 4400 by a coupler 4300, so as to fix the drill rod 4400. As shown in fig. 9, a tricone bit 4501 is connected to a drill rod 4400 via a sleeve 4502. The motor 4200 is operated to drive the drill rod 4400 to rotate through the coupling 4300, thereby driving the sleeve 4502 fixed on the drill rod 4400 to rotate, and further driving the tricone bit 4501 to rotate, thereby working.

The working principle of the intelligent cleaning device for a concrete pouring pump pipe according to the present utility model will be briefly described with reference to fig. 1 to 10 in combination with the description of the above structural features:

According to the size of the concrete pump pipe, the device is assembled according to the structure, the device is fixed in the pump pipe bracket 3100 through the adjusting screw b3101, the buckle is fixed on the left slider 1300 through the buckle, the right winch 1400 starts to work, the left slider 1300 is pulled to move rightwards along with the stretching of the steel wire rope, when the drill bit 4500 is about to reach the concrete pump pipe, the motor 4200 is turned on, the drill bit 4500 is driven to rotate through the coupling 4300 and the drill rod 4400 to crush concrete blocked in the concrete pump pipe, after the crushing is completed, the operation of the right winch and the motor 4200 is stopped, the buckle is removed, the other end of the steel wire rope of the left winch is fixed on the left slider through the buckle, the left winch starts to work, the left slider is driven to move leftwards, and after the left slider moves to a designated position, the left winch stops working.

The cylinder 3402 starts to work, the breaking plate 3200 is driven to slide forwards on the sliding rail 3300 through the hinged joint 3401, after the breaking plate reaches a specified position, the other end of the steel wire rope on the left winch is manually fixed on the right sliding block 1300 through a buckle, the left winch starts to work, the right sliding block 1300 is pulled to move leftwards on the sliding rail 1200, when the water gun mechanism 2000 is about to arrive at a concrete pump pipe, the water pump 2100 is turned on, water is converted into water flowing at a high speed, the water is sprayed out of the water gun spray head 2400 through the water pipe, the water gun pipe 2300 and the water gun spray head 2400, the concrete pump pipe is cleaned for the second time, the concrete condensed on the concrete pump pipe is scattered, the concrete pump pipe is dropped off, and the concrete pump pipe is flushed out, and the concrete pump pipe is dropped on the breaking plate 3200. When the water gun spray head 2400 reaches the outlet of the concrete pump pipe, the operation of the left winch 1400 and the water pump 2100 is stopped, the buckle hung on the right slide block is taken down, the other end of the steel wire rope on the right winch 1400 is fixed on the right slide block through the buckle, the right winch 1400 starts to operate, the right slide block 1300 is pulled to slide rightwards on the guide rail 1200, after reaching a designated position, the operation of the right winch 1400 is stopped, the air cylinder 3402 reversely operates, and the broken plate 3200 is pulled to retreat on the slide rail 3300 through the connection of the hinge joint 3401, so as to reach the designated position. The crushed concrete on the crushed-drop panel 3200 is cleaned manually.

The drill bit used by the device adopts the tricone bit 4501, has strong impact force, high drilling speed and high drilling efficiency, ensures that broken concrete is easier to block, has longer service life, can replace tricone, and fully improves the service life of the device. The device provides a power source through the winch mechanism, has high power, provides sufficient power, and pulls the sliding block to move through the stretching of the steel wire rope, so that the moving speed is adjustable and controllable, the failure rate is low, and the working efficiency and the service life are greatly improved.

While the utility model has been described with respect to specific embodiments thereof, it will be appreciated that the utility model is not limited thereto, but is intended to cover modifications and alternatives falling within the spirit and scope of the utility model as defined by the appended claims.

Claims (8)

1. Intelligent cleaning device of concrete placement pump line, its characterized in that includes:

The winch mechanism (1000) comprises a table-type support (1100), a guide rail (1200) fixed on the table-type support (1100) along the length direction of the table-type support (1100), two sliding blocks (1300) slidably mounted on the guide rail (1200), and two winches (1400) fixed on the top surface of the table-type support (1100) and positioned at two ends of the guide rail (1200); the winch (1400) is used for driving the sliding block (1300) to move back and forth along the direction of the guide rail (1200);

The concrete pump pipe comprises a pump pipe support and a crushed concrete collecting platform (3000), wherein the pump pipe support (3100) is fixed on the guide rail (1200), a crushing plate (3200) is arranged above the guide rail (1200), the concrete pump pipe is fixed in the pump pipe support (3100), and the crushing plate (3200) is arranged below an outlet of the concrete pump pipe and is used for collecting concrete condensed on the concrete pump pipe;

the drill rod mechanism (4000) is fixed on one of the sliding blocks (1300) and positioned on one side of the pump pipe bracket (3100) and used for crushing the concrete blocked in the concrete pump pipe;

And the water gun mechanism (2000) is fixed on the other sliding block (1300) and positioned at the other side of the pump pipe bracket (3100) and is used for flushing out the concrete attached to the concrete pump pipe and flushing out the concrete pump pipe.

2. The intelligent cleaning device for concrete pouring pump pipes according to claim 1, wherein the water gun mechanism (2000) comprises a water gun support (2200) fixed on a sliding block (1300), a water gun pipeline (2300) installed in the water gun support (2200), and a water gun spray head (2400) fixed at the end of the water gun pipeline (2300), and the water gun pipeline (2300) is connected with a water pump (2100).

3. The intelligent concrete placement pump line cleaning apparatus of claim 2, wherein the water gun bracket (2200) comprises a water gun bracket frame (2203) fixed above the slide block (1300) by screws (2202), the water gun bracket frame (2203) having an upper concave structure and a lower concave structure that limit longitudinal movement of the water gun pipe (2300);

Both sides of the water gun support frame (2203) are in threaded connection with screw rods a (2201) used for limiting the transverse movement of the water gun pipeline (2300).

4. The intelligent cleaning device for concrete placement pump pipes according to claim 1, wherein the drill rod mechanism (4000) comprises a motor bracket (4100) fixed on a slide block (1300), a motor (4200) fixed in the motor bracket (4100), a drill rod (4400) connected with the motor (4200) through a coupling (4300), and a tricone bit (4501) connected with the drill rod (4400) through a sleeve (4502).

5. The intelligent cleaning device for the concrete pouring pump pipe according to claim 1, wherein the winch (1400) comprises a fixed frame (1401), a worm (1403) installed in the fixed frame (1401) and a worm wheel (1404) in meshed connection with the worm (1403), the worm wheel (1404) is sleeved on a rope winding drum (1402), a steel wire rope is wound on the rope winding drum (1402), and the other end of the steel wire rope is fixedly connected with a sliding block (1300) through a buckle.

6. The intelligent cleaning device for concrete pouring pump pipes according to claim 1, wherein the pump pipe support (3100) comprises a pump pipe support frame (3103), the pump pipe support frame (3103) comprises a lower groove structure for placing a concrete pump pipe and limiting lateral displacement of the concrete pump pipe, a support upper structure (3102) moving up and down in the pump pipe support frame (3103), and a screw b (3101) fixed with the support upper structure (3102), the screw b (3101) is connected to the top of the pump pipe support frame (3103) in a threaded mode, and the support upper structure (3102) is controlled to move up and down through adjusting the screw b (3101) so as to press the concrete pump pipe.

7. The intelligent cleaning device for the concrete pouring pump pipe according to claim 1, wherein the chipping plate (3200) is formed by welding an upper steel plate and a lower cuboid steel slide block, the cuboid steel slide block moves on a sliding rail (3300), and the sliding rail (3300) is fixed on the table-type support (1100) through welding.

8. The intelligent cleaning device for the concrete pouring pump pipe according to claim 7, wherein the chipping plate (3200) is driven by a cylinder mechanism (3400) to move along the direction of the sliding rail (3300), the cylinder mechanism (3400) comprises a cylinder (3402) and a hinged joint (3401) connected with the telescopic end of the cylinder (3402), and the hinged joint (3401) is fixed on a cuboid steel sliding block at the lower part of the chipping plate (3200) through a bolt.