Double-cylinder driving heavy-duty car stopping device for underground mine track transportation

Abstract

The application discloses a mine underground track transportation double-cylinder transmission heavy car stopping device, and relates to the field of auxiliary tools in mines. The device comprises a box body, two parallel air cylinders arranged in the middle of the bottom surface of the box body, and a Z-shaped heavy impact block arranged on the left and right parts of the box body. The two heavy impact blocks are symmetrical in structure, and the upper parts of the two heavy impact blocks are main impact points. A heavy impact block shaft is arranged at the lower turning point of each heavy impact block, each heavy impact block shaft is installed on the box body through a corresponding heavy impact block bearing seat, and the two heavy impact block bearing seats are fastened to the left and right parts of the box body through four mounting bolts respectively. The rear shaft body parts of the two heavy impact block shafts are sleeved with compression springs for buffering. The tail ends of each heavy impact block are connected with an impact block pin shaft for transmission, and the impact block pin shafts are connected with the piston rods of the air cylinders respectively. The device has the advantages of simple operation, high automation degree, high strength, convenient installation, strong adaptability, satisfaction of the requirements of coal mine safety production, smooth passing of various vehicles, and application in various mine transportation systems.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of auxiliary tools in underground mine, in particular to a double-cylinder transmission heavy car stopping device for underground mine track transportation. BACKGROUND

[0002] Most of the existing car stopper technologies in mines have different degrees of deficiencies, from simple manual car stopper to single simple car stopper, to the currently used planar linkage mechanism heavy car stopper. However, there are still different degrees of defects, some of which are insufficient in strength, some of which are not flexible in operation, some of which are low in automation, and some of which cannot meet the requirements of coal mine safety and various vehicles.

[0003] Therefore, according to the above situation, it is necessary to improve the existing car stopper to realize automatic operation, improve the strength, and install conveniently, so as to achieve the purpose of safe production. SUMMARY

[0004] The present application provides an improved double-cylinder transmission heavy car stopping device for underground mine track transportation to solve the problems of insufficient strength, inflexible operation, low automation, and inadaptation to the requirements of coal mine safety of the existing car stopper.

[0005] The application is realized by the technical scheme that the mine underground track transportation double-cylinder transmission heavy-duty car stopping device comprises a box body, two parallel cylinders are arranged in the middle of the inner bottom surface of the box body, the piston rod of the cylinder located at the front side extends to the left, the piston rod of the cylinder located at the rear side extends to the right, and the two cylinders are installed on the inner bottom surface of the box body through cylinder hinge seats at the tail ends of the cylinders; a Z-shaped heavy-duty impact block is arranged on the left and right parts of the box body, the two heavy-duty impact blocks are symmetrical in structure and the upper parts of the two heavy-duty impact blocks are main impact points. A block shaft is arranged at the lower inflection point of each heavy-duty impact block, each block shaft is installed on the box body through a block bearing seat, the block shaft passes through the block bearing seat and the heavy-duty impact block, the block bearing seat is stepped and symmetrical, the inner end of the block bearing seat is high and the outer end of the block bearing seat is low, a clearance groove is arranged in the middle of the block bearing seat body to allow the heavy-duty impact block to rotate, the two block bearing seats are fastened to the left and right parts of the box body through four mounting bolts respectively, the inner end of the high block bearing seat is connected with the rail, and the outer end of the low block bearing seat is clamped on the outer top end of the box body, the front ends of the two block shafts are clamped on the front side of the block bearing seat through bolts and gaskets, the rear fixed ends of the two block shafts extend out of the rear side of the block bearing seat, and the shaft body part between the rear fixed end and the rear side of the block bearing seat is sleeved with a compression spring for buffering, the end of each heavy-duty impact block is connected with a block pin shaft for transmission, the piston rod of the cylinder located at the front side is connected with one end of a left impact block pull rod, the left block pin shaft passes through the end of the corresponding heavy-duty impact block and is connected with the other end of the left impact block pull rod, and the piston rod of the cylinder located at the rear side is connected with one end of a right impact block pull rod; the right block pin shaft passes through the end of the corresponding heavy-duty impact block and is connected with the other end of the right impact block pull rod; a front gas joint is arranged at the front end of each cylinder, a rear gas joint is arranged at the rear end of each cylinder, the front gas joint and the rear gas joint are connected with a corresponding cylinder control device, and the box body is provided with a top cover at the middle top part of the box body, a rail pressing plate is arranged on the left and right sides of the top cover, the inner side of the rail pressing plate is horizontal, the outer side of the rail pressing plate is upwardly curved, the shape of the outer side of the rail pressing plate matches the shape of the rail bottom plate, a support part is fixedly connected to the end of the inner side of the rail pressing plate, and the inner side of the rail pressing plate is installed on the top part of the box body through bolts.

[0006] The application discloses a double-cylinder transmission heavy-duty car stopping device for underground mine track transportation, which comprises a box body installed at the bottom of a track. Two parallel air cylinders are arranged in the middle of the inner bottom surface of the box body, and the air cylinders are power devices of the whole car stopping device. The air cylinder piston rods are extended and retracted to realize the opening and closing of the heavy-duty bumpers. The piston rod of the air cylinder at the front side is extended to the left, and the piston rod of the air cylinder at the rear side is extended to the right, which are respectively used for controlling the heavy-duty bumpers at the left and right sides. The two air cylinders are installed on the inner bottom surface of the box body through air cylinder hinge seats at the tail ends of the air cylinders. Z-shaped heavy-duty bumpers are arranged at the left and right parts of the box body. The two heavy-duty bumpers are symmetrical in structure, and the upper parts of the heavy-duty bumpers are main impact points. When the heavy-duty bumpers impact the car, the upper parts of the heavy-duty bumpers are the parts in contact with the car. A bumper shaft is arranged at the lower turning point of each heavy-duty bumper, and the bumper shaft is installed on the box body through a bumper bearing seat. The bumper shaft passes through the bumper bearing seat and the heavy-duty bumper, and the heavy-duty bumper rotates around the bumper shaft under the pulling action of the air cylinder to realize the opening and closing. The bumper bearing seat is stepped and symmetrical, the inner end of the bumper bearing seat is high, the outer end of the bumper bearing seat is low, and a clearance groove is arranged in the middle of the bumper bearing seat body for the rotation of the heavy-duty bumper. The two bumper bearing seats are respectively fastened to the left and right parts of the box body through four mounting bolts. The inner end of the high bumper bearing seat is connected with the track, and the outer end of the low bumper bearing seat is clamped to the outer top end of the box body. The front ends of the two bumper shafts are clamped to the front side of the bumper bearing seat through bolts and gaskets. The rear fixed ends of the two bumper shafts extend out of the rear side of the bumper bearing seat, and the shaft body part between the rear fixed ends and the rear side of the bumper bearing seat is sleeved with a compression spring for buffering. The compression spring can play a certain buffering role when the heavy-duty bumper impacts the car. A bumper pin shaft is connected to the end of each heavy-duty bumper for transmission, and the bumper pin shaft is connected with the piston rod of the air cylinder. The extension and retraction of the piston rod moves the bumper pin shaft correspondingly, so that the heavy-duty bumper rotates around the bumper shaft to realize the opening and closing of the heavy-duty bumper. The connection relationship between the piston rod and the bumper pin shaft at the left and right sides is that the piston rod of the air cylinder at the front side is connected to one end of the left bumper pull rod, the bumper pin shaft at the left side is connected to the other end of the left bumper pull rod through the end of the corresponding heavy-duty bumper, and the piston rod of the air cylinder at the rear side is connected to one end of the right bumper pull rod. The piston rod of the air cylinder at the rear side is connected to the other end of the right bumper pull rod through the end of the corresponding heavy-duty bumper. A front gas joint is arranged at the front end of each air cylinder, and a rear gas joint is arranged at the rear end of each air cylinder. The front gas joint and the rear gas joint are connected to the corresponding air cylinder control device to realize the synchronous movement of the piston rod of the air cylinder.The middle top of the box body is provided with a top cover, and one track pressing plate is arranged on the left and right sides of the top cover respectively, the inner side of the track pressing plate is horizontal, the outer side is upwardly curved, and the shape of the outer side is matched with the shape of the track bottom plate, and is used for pressing the track at the position of the box body; the end of the inner side of the track pressing plate is further fixedly connected with a supporting part, and the inner side of the track pressing plate is installed on the top position of the box body through bolts; when the vehicle stopping device is installed, the bolts are loosened, the track pressing plate is pressed against the track, and then the bolts are fastened, so that the track pressing plate reliably presses the track.

[0007] The specific operation of the application is as follows: when installing, select the installation position, remove the track on the sleeper, dig a foundation pit according to the shape and size of the vehicle stopping device, place the vehicle stopping device in the foundation pit, place the removed track on the vehicle stopping device and tightly attach the track to the track pressing plate of the vehicle stopping device, then screw on the bolts and fasten the track pressing plate, install the inner end of the striker bearing seat on the track, so that the vehicle stopping device and the track are relatively fixed, then connect the cylinder control device to the double-cylinder vehicle stopping device, and backfill the flat gangue for use. When in use, the two cylinders are controlled by the cylinder control device, so that the piston rod extends and the striker pin shaft moves outward, in the process of moving outward, the two heavy strikers are pulled to rotate upward around the striker shaft, so that the upper part of the heavy striker rotates to the upper part of the track. At this time, the state is the closed state of the vehicle stopper, which can block the vehicle; when the vehicle needs to pass, the two cylinders are controlled by the cylinder control device, so that the piston rod retracts and the striker pin shaft moves inward, in the process of moving inward, the two heavy strikers are pulled to rotate downward around the striker shaft, so that the two heavy strikers open outward, freeing up space on the track, so that the vehicle can pass through the track.

[0008] Preferably, a weight-reducing groove in the form of a U-shaped groove is formed in the structure of the heavy striker, which can reduce the weight of the entire device.

[0009] Preferably, two external quick connectors are further arranged on the rear wall of the box body, the front gas connectors of the two cylinders are connected to one of the external quick connectors through a three-way quick connector and a gas pipe, and the rear gas connectors of the two cylinders are connected to the other external quick connector through a three-way quick connector and a gas pipe; further, one of the external quick connectors is connected to a manual valve through a gas pipe A, and the other external quick connector is connected to the manual valve through a gas pipe B; the manual valve is connected to a total gas path through a total gas valve.

[0010] Compared with the prior art, the present application has the following beneficial effects: the heavy-duty car stopping device provided by the present application meets the requirements of coal mine safety production, can smoothly pass various vehicles, has simple operation, high automation degree, high strength, and convenient installation, has small box volume, simple structure, and convenient manufacturing, has high car stopping strength, high adaptability, and can be used in various mine transportation systems, solves the problem of small opening angle of the existing heavy-duty car stopper and the problem that the stopping head cannot be lower than the rail surface, meets the requirements of passing various transportation vehicles, especially various super-wide and super-low vehicles, and achieves the purpose of safety production. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 It is a top view structural schematic diagram of the present application, and no gas circuit is shown in the diagram.

[0012] Figure 2 It is a top view structural schematic diagram of the present application, and the gas circuit is shown in the diagram.

[0013] Figure 3 It is a front view structural schematic diagram of the present application, and the heavy-duty impact block is in the open state, and the dashed line is in the closed state.

[0014] Figure 4 It is a front view sectional view of the present application.

[0015] The marks in the diagram are as follows: 1-box, 2-heavy-duty impact block, 4-cylinder, 5-impact block shaft, 6-compression spring, 7-impact block bearing seat, 8-rail pressing plate, 9-cylinder hinged seat, 10-external quick plug connector, 11-mounting bolt, 12-impact block pin shaft, 13-top cover, 14-three-way quick plug connector, 15-hand-operated rotary valve, 16-rail, 301-left impact block pull rod, 302-right impact block pull rod, 401-front gas connector, 402-rear gas connector. EMBODIMENT

[0016] The present application is further described below in combination with specific embodiments.

[0017] A heavy-duty car stopping device for underground mine rail transportation driven by double cylinders, as shown in Figure 1 、 Figure 3 and Figure 4As shown: including box 1, the box 1 bottom surface middle part is provided with two parallel cylinder 4, the front side cylinder 4 piston rod stretches out to left, the rear side cylinder 4 piston rod stretches out to right, two cylinder 4 is installed on the inner bottom surface of box 1 through the cylinder hinge seat 9 of respective tail end, the left and right parts of box 1 is equipped with a Z-shaped heavy ram 2 respectively, two heavy rams 2 structure symmetry, and the upper part is main impact point. The lower inflection point of each heavy ram 2 is worn a ram axle 5, each ram axle 5 is installed on the box 1 through respective ram bearing seat 7, the ram axle 5 passes through ram bearing seat 7 and heavy ram 2, the ram bearing seat 7 is stepped and symmetrical, and the inner end of ram bearing seat 7 is high, and the outer end is low, the middle part of the body of ram bearing seat 7 is provided with a give way slot hole for the rotation of heavy ram 2, two ram bearing seats 7 are fastened to the left and right parts of box 1 through four mounting bolts 11 respectively, the high inner end of ram bearing seat 7 is the connecting end of track, and the low outer end is clamped to the outer top end of box 1, the front end of two ram axles 5 is clamped to the front side of ram bearing seat 7 through bolt and gasket, the rear fixed end of two ram axles 5 extends out the rear side of ram bearing seat 7, and the shaft body part between the rear fixed end and the rear side of ram bearing seat 7 is sleeved with compression spring 6 for buffering. The end of each heavy ram 2 is connected with a ram pin shaft 12 for transmission, the piston rod of front side cylinder 4 is connected to one end of left ram pull rod 301, the left ram pin shaft 12 is connected to the other end of left ram pull rod 301 by penetrating the end of corresponding heavy ram 2, the piston rod of rear side cylinder 4 is connected to one end of right ram pull rod 302, the right ram pin shaft 12 is connected to the other end of right ram pull rod 302 by penetrating the end of corresponding heavy ram 2, the front end of each cylinder 4 is provided with a front gas joint 401, the rear end of each cylinder 4 is provided with a rear gas joint 402, the front gas joint 401 and rear gas joint 402 are connected to the corresponding cylinder control device. The middle top of box 1 is provided with a top cover 13, the left and right sides of top cover 13 are provided with a track pressing plate 8 respectively, the inner side of track pressing plate 8 is horizontal, the outer side is upturned, and the shape of outer side matches the shape of track bottom plate, the end of inner side of track pressing plate 8 is also fixedly connected with a supporting part, the inner side of track pressing plate 8 is installed on the top position of box 1 through bolt.

[0018] The embodiment adopts the following preferred scheme: a weight-reducing groove in U shape in plan view is formed in the structural body of the heavy ram 2; two external quick plug connectors 10 are further arranged on the rear side wall of the box body 1, the front gas connectors 401 of the two gas cylinders 4 are jointly connected to one of the external quick plug connectors 10 through a three-way quick plug connector 14 and a gas pipe, and the rear gas connectors 402 of the two gas cylinders 4 are jointly connected to the other external quick plug connector 10 through a three-way quick plug connector 14 and a gas pipe; one of the external quick plug connectors 10 is connected to a manual rotary valve 15 through a gas pipe A, and the other is connected to the manual rotary valve 15 through a gas pipe B; the manual rotary valve 15 is connected to a total gas path through a total gas pressure valve, as shown in Figure 2

[0019] The specific operation of the embodiment is as follows: during installation, a good installation position is selected, the track 16 on the sleeper is removed, a foundation pit is dug according to the outer shape and size of the car stopping device, the box body of the car stopping device is placed into the foundation pit, the removed track 16 is placed on the car stopping device and tightly attached to the track pressing plate 8 of the car stopping device, then the bolts are screwed and the track pressing plate 8 is fastened, the inner end of the ram bearing seat 7 is installed on the track, so that the car stopping device and the track 16 are relatively fixed, then the gas cylinder control device is coupled with the gas cylinder 4 of the double-gas-cylinder car stopping device, and the gangue is backfilled and leveled to be used. During use, the two gas cylinders 4 are controlled by the gas cylinder control device, so that the piston rod is extended and the ram pin shaft 12 is moved outward, in the process of moving the ram pin shaft 12 outward, the two heavy rams 2 are pulled to rotate upward around the ram shaft 5, so that the upper part of the heavy ram 2 rotates to the upper part of the track, at this time, the state is that the car stopper is in a closed state, which can play a role in stopping the car; when the vehicle needs to pass, the two gas cylinders 4 are controlled by the gas cylinder control device, so that the piston rod is retracted and the ram pin shaft 12 is moved inward, in the process of moving the ram pin shaft 12 inward, the two heavy rams 2 are pulled to rotate downward around the ram shaft 5, so that the two heavy rams 2 are opened outward, and the space on the track 16 is released, so that the vehicle can pass through the track; the movement of the piston rod of the gas cylinder 4 is synchronously controlled by each gas path, the manual rotary valve has three positions of opening, emptying and closing, and the manual rotary valve is adjusted according to the requirements, so that the piston rod of the gas cylinder 4 is extended and retracted, and the left and right heavy rams 2 are synchronously opened and closed.

[0020] The scope of protection of the present application is not limited to the above specific embodiments, and the present application can have various modifications and changes for those skilled in the art within the concept and principles of the present application, any modification, improvement and equivalent replacement made within the concept and principles of the present application shall be included in the scope of protection of the present application.​

Claims

1. A heavy-duty vehicle-stopping device with dual-cylinder transmission for underground rail transport in mines, characterized in that: The box includes a housing (1), in which two parallel cylinders (4) are arranged in the middle of the bottom surface of the housing (1). The piston rod of the cylinder (4) located on the front side extends to the left, and the piston rod of the cylinder (4) located on the rear side extends to the right. The two cylinders (4) are installed on the bottom surface of the housing (1) through cylinder hinge seats (9) at their respective tail ends. Each of the left and right sides of the housing (1) is provided with a Z-shaped heavy impact block (2). The two heavy impact blocks (2) are symmetrical in structure, and the upper part is the main impact point. Each heavy impact block (2) has an impact block shaft (5) at its lower inflection point. Each impact block shaft (5) is mounted on the housing (1) via its respective impact block bearing seat (7). The impact block shaft (5) passes through the impact block bearing seat (7) and the heavy impact block (2). The impact block bearing seat (7) is stepped and symmetrical, with the inner end of the impact block bearing seat (7) being higher than the outer end. The middle of the body of the impact block bearing seat (7) is provided with a clearance slot for the heavy impact block (2) to rotate. The two impact block bearing seats (7) Each of the two impact blocks is fastened to the left and right sides of the housing (1) by four mounting bolts (11); the high inner end of the impact block bearing seat (7) is the connection end with the track, and the low outer end is locked to the outer top of the housing (1); the front ends of the two impact block shafts (5) are locked to the front side of the impact block bearing seat (7) by bolts and washers, the rear fixed ends of the two impact block shafts (5) extend out of the rear side of the impact block bearing seat (7), and the shaft part between the rear fixed end and the rear side of the impact block bearing seat (7) is fitted with a compression spring (6) for buffering. Each heavy impact block (2) has an impact block pin (12) connected to its end for transmission; the piston rod of the cylinder (4) located on the front side is connected to one end of the left impact block pull rod (301), the left impact block pin (12) passes through the end of the corresponding heavy impact block (2) and is connected to the other end of the left impact block pull rod (301), the piston rod of the cylinder (4) located on the rear side is connected to one end of the right impact block pull rod (302); the right impact block pin (12) passes through the end of the corresponding heavy impact block (2) and is connected to the other end of the right impact block pull rod (302); each cylinder (4) has a front gas connector (401) at its front end and a rear gas connector (402) at its rear end, the front gas connector (401) and the rear gas connector (402) are connected to the corresponding cylinder control device; The top of the middle part of the box (1) is provided with a top cover (13), and a track pressure plate (8) is provided on the left and right sides of the top cover (13). The inner side of the track pressure plate (8) is horizontal, the outer side is raised upward, and the outer side shape matches the shape of the track bottom plate. A support part is also fixedly connected to the end of the inner side of the track pressure plate (8). The inner side of the track pressure plate (8) is installed on the top of the box (1) by bolts. Two external quick-connect connectors (10) are also provided on the rear side wall of the housing (1). The front gas connectors (401) of the two cylinders (4) are connected to one of the external quick-connect connectors (10) through a three-way quick-connect connector (14) and an air pipe. The rear gas connectors (402) of the two cylinders (4) are connected to the other external quick-connect connector (10) through a three-way quick-connect connector (14) and an air pipe. One of the external quick-connect connectors (10) is connected to the manual rotary valve (15) through an air pipe A. The other external quick-connect connector (10) is connected to the manual rotary valve (15) through an air pipe B. The manual rotary valve (15) is connected to the main air circuit through the main air pressure valve.

2. The heavy-duty vehicle-stopping device with dual-cylinder transmission for underground track transportation in mines according to claim 1, characterized in that: The heavy impact block (2) has a U-shaped weight reduction groove on its structural body when viewed from above.

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