CN110901686B - Anti-sports car device - Google Patents

Abstract

The invention relates to a coal mine safety device, in particular to a car-running prevention device. Anti-sports car device includes: the centralized control box and the intercepting device are arranged in the inclined roadway, the centralized control box is provided with a speed monitoring device, and the centralized control box is electrically connected with the speed monitoring device; the intercepting device comprises: the installation shaft is fixed on the outer side of the inclined roadway track, the swing frame is rotatably installed on the installation shaft, the friction plate is fixedly installed on the swing frame, the stop block is vertically fixed on the lower surface of the swing frame, the power mechanism is connected with the swing frame, and the power mechanism is electrically connected with the centralized control box. According to the invention, the wheels are blocked by the blocking blocks, and when the wheels are blocked, the friction plate is positioned right above the wheels, so that the damage of a mine car body caused by large car running impulse and the accidents of car overturning and derailment caused by blocking of the mine car are avoided.

Description

Anti-sports car device

technical field

The invention relates to a coal mine safety device, in particular to a sports car preventing device.

Background technique

In the actual production process of the mine, the biggest hidden danger of inclined alley transportation is the occurrence of sports car accidents, that is, during the transportation of vehicles in the inclined alley, the broken rope, out-of-stock chain, misoperation, etc., will cause the vehicle to have sports cars. All kinds of car blockers are set in the lane to prevent the vehicle from sliding down. When the set car blocker is used to block the body of the minecart, due to the large impulse of the sports car, it is easy to cause the deformation or destruction of the body of the minecart, which not only increases the number of minecarts and The maintenance cost of the car blocker can also easily lead to the collapse of the equipment loaded in the mine car due to the deformation of the car body. The overturning and derailing accidents of mine carts increase the risk factor of braking.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide an anti-sports car device, which utilizes a fixed block friction plate to clamp and locate a mining car that has a sports car accident in an inclined lane, thereby effectively avoiding equipment damage and damage caused by the large impact force of the mining car. Occurrence of overturning or derailment when blocking blocks block the minecart.

In the present invention, the anti-sports car device includes: a centralized control box and an intercepting device, the centralized control box and the intercepting device are arranged in the inclined lane, the centralized control box is located above the intercepting device along the ascending direction of the inclined lane, and the centralized control box is provided with Speed monitoring device, the centralized control box is electrically connected with the speed monitoring device;

The intercepting device includes: an installation shaft, a swing frame, a friction plate, a blocking block, and a power mechanism, and the installation shaft is fixed on the outer side of the inclined lane track;

The swinging frame is rotatably installed on the installation shaft, one end of the upper surface of the swinging frame is provided with a mounting hole penetrating the upper and lower surfaces thereof, and the upper surface of the swinging frame is also provided with a sliding groove penetrating the upper and lower surfaces thereof, so that the swinging frame can swing. The lower surface of the frame is vertically fixed with a blocking block, and the length of the swing frame is not less than the length of the mine car body;

The friction plate is fixedly installed on the swing frame, one end of the friction plate is located above the blocking block, and the other end extends along the ascending direction of the inclined lane. The length of the vehicle body, the bottom surface of the friction plate is parallel to the rail surface of the inclined lane rail, and the distance between the two is not less than the diameter of the mine car wheel, and the surface of the friction plate facing the mine car is consistent with the shape of the corresponding mine car body;

The blocking block is located on the lower surface of the swing frame relative to the other end with the mounting hole, the height of the blocking block is not greater than the distance from the bottom surface of the swing frame to the rail surface of the inclined lane rail, and the distance from the bottom surface of the blocking block to the rail surface of the inclined lane rail less than the radius of the minecart wheel;

The power mechanism includes: a base, an electro-hydraulic push rod, a spring, a transmission frame, and a sliding column, the transmission frame is composed of a connecting plate, a top plate, and a bottom plate of a "C"-shaped frame, and the electro-hydraulic push rod is electrically connected to the centralized control box;

The above-mentioned sliding column is arranged in the sliding groove of the swing frame and slides along the sliding groove. The two ends of the sliding column are respectively fixedly connected with the top plate and the bottom plate of the transmission frame and are perpendicular to the top plate and bottom plate of the transmission frame. On the other side of the plate, the connecting plate of the transmission frame is not in contact with the swing frame;

One end of the above-mentioned spring is vertically fixed on the surface of the connecting plate of the transmission frame facing away from the sliding column, and the other end of the spring is fixedly connected to the push rod of the electro-hydraulic push rod. The push rod of the electro-hydraulic push rod is coaxial with the spring. The base is fixed on the base, and the base is fixed on the floor of the inclined lane;

When the electro-hydraulic push rod of the power mechanism does not act, the mine cart in the inclined lane normally drives through the intercepting device, and the mining cart does not contact the intercepting device;

When the push rod of the electro-hydraulic push rod of the power mechanism is pushed out, the two symmetrically arranged friction plates rotate along the inside of the inclined lane track along the installation axis, and the shortest distance between them is less than the width of the mine car body, and the two symmetrical friction plates rotate The set blocking blocks all rotate along the inside of the inclined lane track along the installation axis, and the shortest distance between them is smaller than the width of the mine car body;

When the intercepting device is in the protection state, the mining cart slides down into the intercepting device, the mining cart body rubs against the friction plate and pushes the friction plate, at this time the spring is compressed, when the mining cart wheel collides with the blocking block, the friction plate is located Just above the front and rear wheels, the bottom surface of the friction plate is close to but not in contact with the top of the front and rear wheels of the mine car, and the spring 253 is in a fully compressed state.

In one embodiment, when the blocking block collides with the wheel of the mining cart, the surface facing the wheel is perpendicular to the rail of the inclined lane.

In one embodiment, the friction plate is made of flame retardant rubber.

In one embodiment, the outer surface of the blocking block is wrapped with a flame retardant rubber layer.

In one embodiment, the intercepting device further includes a plurality of supporting legs, the supporting legs are fixed on the floor of the inclined lane, and the top surface of the supporting legs is in contact with the bottom surface of the swing frame.

In one embodiment, the sliding column is a roller structure.

Beneficial effects of the present invention:

1. The present invention uses the blocking block to block the sliding mine car, effectively avoiding the deformation or destruction of the mining car body due to the large impulse of the sports car when the blocking device blocks the mining car body, and the deformation of the mining car body due to the large impact of the sports car. As a result, the equipment loaded in the mine cart was crushed.

2. The present invention uses two symmetrically arranged friction plates to clamp the sliding mine cart, which reduces the sliding speed of the mining cart, thereby reducing the impact force of the mining cart on the blocking block, and effectively protecting the safety of the intercepting equipment.

3. In the present invention, when the wheels of the mining cart collide with the blocking block, the friction plate is located directly above the front and rear wheels of the mining cart, which effectively avoids the blockage of the mining cart due to the large impulse of the sports car in the inclined lane environment. cause rollover and derailment accidents.

Description of drawings

FIG. 1 is a schematic diagram of the position of the present invention in the inclined lane.

FIG. 2 is a schematic structural diagram of the intercepting device of the present invention.

FIG. 3 is a schematic structural diagram of the installation shaft of the present invention.

FIG. 4 is a schematic structural diagram of the swing frame of the present invention.

FIG. 5 is a schematic structural diagram of the power mechanism of the present invention.

FIG. 6 is a schematic structural diagram of the transmission frame of the present invention.

FIG. 7 is a schematic structural diagram of the intercepting device of the present invention installed on an inclined lane rail.

Fig. 8 is a schematic diagram of the present invention when the intercepting device is in a protection state when a sports car accident occurs.

Figure 9 is a schematic diagram of the present invention when the wheel of the mine cart collides with the blocking block when a sports car accident occurs

FIG. 10 is a schematic structural diagram of the support leg of the present invention.

FIG. 11 is a schematic structural diagram of a sliding column in another embodiment of the present invention.

Description of drawings: centralized control box 1, intercepting device 2, installation shaft 21, limit plate 211, swing frame 22, installation hole 221, sliding groove 222, friction plate 23, blocking block 24, power mechanism 25, base 251, Electro-hydraulic push rod 252 , spring 253 , transmission frame 254 , connecting plate 2541 , top plate 2542 , bottom plate 2543 , sliding column 255 , support leg 26 .

Detailed ways

Preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those of ordinary skill in the art to which the invention pertains can easily implement the embodiments. However, the present invention can also be implemented in various forms, and thus the present invention is not limited to the embodiments described hereinafter. In addition, in order to describe the present invention more clearly, components not connected with the present invention will be omitted from the drawings.

In the description of the present invention, it should be understood that the terms "center", "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", The orientation or positional relationship indicated by "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying The specific orientation configuration and operation that the device or element referred to must have and therefore should not be construed as a limitation of the invention.

As shown in Figure 1, the anti-sports car device includes: a centralized control box 1 and an intercepting device 2. The centralized control box 1 and the intercepting device 2 are arranged in the inclined alley, and the centralized control box 1 is located above the intercepting device 2 along the ascending direction of the inclined alley. There are two intercepting devices 2, which are symmetrically arranged on both sides of the inclined lane track;

The centralized control box 1 is arranged on one side of the inclined lane track, and a speed monitoring device (not shown in the figure) is arranged on the centralized control box 1. The centralized control box 1 is electrically connected with the speed monitoring device, and the speed monitoring device is connected to the inclined lane. The running speed of the mining cart is monitored. When the speed of the mining cart is higher than the set value, the speed monitoring device sends a signal to the control box 1;

As shown in FIG. 2 , the intercepting device 2 includes: an installation shaft 21 , a swing frame 22 , a friction plate 23 , a blocking block 24 , and a power mechanism 25 ;

As shown in FIG. 3 , the above-mentioned installation shaft 21 is located on the outer side of the inclined lane track, one end of the installation shaft 21 is fixed on the floor of the inclined lane track, and the other end is provided with two limit disks 211 , and the two limit disks 211 and The installation shaft 21 is coaxial, the radius of the two limit disks 211 is larger than the radius of the installation shaft 21, the two limit disks 211 are not in contact, and the installation shaft 21 is perpendicular to the rail surface of the inclined lane rail;

As shown in FIG. 4 , the above-mentioned swing frame 22 is a rectangular body, and one end of the upper surface of the swing frame 22 is provided with a mounting hole 221 penetrating the upper and lower surfaces thereof. The mounting hole 221 matches the mounting shaft 21 , and the swing frame 22 is installed by The hole 221 is sleeved between the two limit plates 211 of the installation shaft 21. The swing frame 22 rotates with the central axis of the installation shaft 21, and the other end extends along the descending direction of the inclined lane. The swing frame 22 is opposite to the other side with the installation hole 221. The lower surface of one end is vertically fixed with a blocking block 24, the upper surface of the swing frame 22 is also provided with a sliding groove 222 running through its upper and lower surfaces, and the length of the swing frame 22 is not less than the length of the mine car body;

As shown in FIGS. 2 and 7 , the friction plate 23 is fixedly installed on the surface of the swing frame 22 facing the mine car, and the bottom and top surfaces of the friction plate 23 and the top and bottom surfaces of the swing frame 22 are on the same plane respectively, so that the When the mining cart rubs against the friction plate 23, it prevents the friction plate 23 from deforming, resulting in a smaller friction contact surface. 23 The distance from the surface facing the upper entrance of the inclined lane to the blocking block 24 is not less than the length of the mine car body, the bottom surface of the friction plate 23 is parallel to the rail surface of the inclined lane rail, and the distance between the two is not less than the diameter of the mine car wheel , the surface of the friction plate 23 facing the mining cart matches the shape of the corresponding mining cart body, so that when the mining cart wheel collides with the blocking block 24, the friction plate 23 is located above the mining cart wheel, which can effectively avoid the mining cart. The state of overturning or derailment due to collision occurs;

The height of the above-mentioned blocking block 24 is not greater than the distance from the bottom surface of the swing frame 22 to the rail surface of the inclined lane rail, and the distance from the bottom surface of the blocking block 24 to the rail surface of the inclined lane rail is less than the radius of the mine car wheel, which can ensure the normal displacement of the blocking block 24 Go to the top of the inclined lane rail to complete the interception of the minecar wheels, avoiding the collision with the minecart body when the blocking block 24 intercepts, resulting in the deformation or destruction of the minecart body and the collapse of the minecart due to the deformation of the minecart body. equipment loaded inside;

As shown in Figures 2, 5 and 6, the power mechanism 25 includes: a base 251, an electro-hydraulic push rod 252, a spring 253, a transmission frame 254, and a sliding column 255. The transmission frame 254 consists of a connecting plate 2541, a top plate 2542, The "C"-shaped frame formed by the bottom plate 2543, the top plate 2542 is parallel to the bottom plate 2543;

The above-mentioned sliding column 255 is arranged in the sliding groove 222 of the swing frame 22 and slides along the sliding groove 222. The two ends of the sliding column 255 are respectively fixedly connected with the top plate 2542 and the bottom plate 2543 of the transmission frame 254 and are perpendicular to the top plate 2542 and the bottom plate 2543 of the transmission frame 254. The bottom plate 2543, the top plate 2542 and the bottom plate 2543 of the transmission frame 254 are respectively attached to the top surface and the bottom surface of the swing frame 22. The connecting plate 2541 of the transmission frame 254 is located on the other side of the friction plate 23 installed relative to the swing frame 22. The connecting plate 2541 is not in contact with the swing frame 22, which can ensure that the sliding column 255 normally drives the swing frame 22 to rotate under the push of the transmission frame 254;

One end of the above-mentioned spring 253 is vertically fixed on the surface of the connecting plate 2541 of the transmission frame 254 facing away from the sliding column 255, and the other end of the spring 253 is fixedly connected to the push rod of the electro-hydraulic push rod 252, the push rod of the electro-hydraulic push rod 252 and the spring 253 is coaxial, the base of the electro-hydraulic push rod 252 is fixed on the base 251, and the base 251 is fixed on the floor of the inclined lane;

The above-mentioned electro-hydraulic push rod 252 is electrically connected to the centralized control box 1, and when the control box 1 receives the signal sent by the speed monitoring device, it controls the push rod of the electro-hydraulic push rod 252 to push out;

As shown in FIG. 7 , when the electro-hydraulic push rod 252 of the power mechanism 25 does not move, the mining cart in the inclined lane normally drives through the intercepting device 2, and the mining cart does not contact the intercepting device 2;

As shown in FIG. 8 , when the intercepting device 2 is in the protection state, the push rod of the electro-hydraulic push rod 252 of the power mechanism 25 is pushed out, and the two symmetrically arranged friction plates 23 rotate along the installation shaft 21 to the inside of the inclined lane track, and The shortest distance between the two is less than the width of the mine car body, and the two symmetrically arranged blocking blocks 24 are rotated toward the inside of the inclined lane track along the installation axis 21, and the shortest distance between the two is less than the width of the mine car body, which can be After the sliding mine cart enters the intercepting device 2, the two symmetrically arranged friction plates 23 form a grip on the mining cart and rub against the mining cart body, which can effectively reduce the sliding speed of the mining cart and reduce the friction between the mining cart and the mining cart. The impact force of the blocking block 24;

As shown in FIG. 9 , when the intercepting device 2 is in the protection state, the mining cart slides down into the intercepting device 2, and the mining cart body rubs against the friction plate 23 and pushes the friction plate 23. At this time, the spring 253 is compressed. When colliding with the blocking block 24, the friction plate 23 is located just above the front and rear wheels of the mine car, the bottom surface of the friction plate 23 is close to but not in contact with the top of the front and rear wheels of the mine car, and the spring 253 is in a fully compressed state, so that the When the mine cart enters the intercepting device 2, as the spring 253 is compressed, the two symmetrically arranged friction plates 23 on the minecart receive more and more support. When the spring 253 is in a fully compressed state, the two symmetrically arranged The elastic support of the friction plate 23 on the mining cart is transformed into a rigid clamping, and its clamping strength is greater, and the braking effect on the mining cart is better.

Preferably, as an embodiment, when the blocking block 24 collides with the wheel of the mining cart, the surface facing the wheel is perpendicular to the rail of the inclined lane, so that when the wheel of the mining cart collides with the blocking block 24, the wheel is The interaction force of the blocking block 24 is 180 degrees, and the blocking effect of the blocking block 24 on the mine cart wheel is better.

Preferably, as an embodiment, the friction plate 23 is made of flame-retardant rubber, and there is a large amount of coal powder in the environment of the mine, which can effectively prevent the friction plate 23 from frictionally braking the mine car. , causing sparks to cause fire.

Preferably, as an embodiment, the outer surface of the blocking block 24 is covered with a flame-retardant rubber layer, and there is a large amount of coal powder in the environment of the mine, which can effectively prevent the blocking block 24 from colliding with the wheels of the minecart sparks, causing fire

As shown in FIG. 2 and FIG. 10 , preferably, as an embodiment, the intercepting device 2 further includes a plurality of support legs 26 . The support legs 26 are fixed on the floor of the inclined lane, and the top surface of which is connected to the swinging The bottom surface of the frame 22 is fitted, and the swing frame 22 is supported by the support legs 26 to reduce the friction between the swing frame 22 and the installation shaft 21 when rotating, so that the swing frame 22 can rotate along the installation shaft 21 more smoothly, ensuring the interception device. 2 normal operation.

As shown in FIG. 10 , preferably, as an embodiment, the sliding column 255 is a roller structure, so that when the sliding column 255 pushes the swing frame 22 , the pushing process is smoother.

The working principle of the present invention:

When the mining cart has a sports car accident and passes through the control box 1, the speed monitoring device detects that the speed of the mining cart is higher than the set value, the speed monitoring device sends a signal to the control box 1, and the control box 1 receives the speed monitoring device. After the signal, the push rod of the control electro-hydraulic push rod 252 pushes the spring 253, the spring 253 pushes the transmission frame 254, the transmission frame 254 pushes the sliding column 255, and the sliding column 255 slides in the sliding groove 222 of the swing frame 22 and pushes the swing frame 22, The swing frame 22 rotates toward the inside of the inclined lane track along the installation shaft 21. As shown in FIG. 7, when the electro-hydraulic push rod 252 stops, one end of the swing frame 22 rotates to the inside of the inclined lane track. When the mine cart slides down into the intercepting device 2 , continue to slide under the clamping of two symmetrically arranged friction plates 23. When sliding down, the mining car body rubs against the friction plate 23 and pushes the friction plate 23. The installation shaft 21 rotates to the outside of the inclined lane track, and the spring 253 is compressed at this time. When the wheel of the sliding mine car collides with the blocking block 24, the friction plate 23 is located directly above the front and rear wheels of the mine car. The tops of the front and rear wheels of the minecart are close to each other but not in contact, the spring 253 is in a fully compressed state, and the minecart is stopped under the blocking of the blocking block 24;

When resetting, operate the control box 1 to reset the push rod of the electro-hydraulic push rod 252. Under the retracting force of the push rod of the electro-hydraulic push rod 252, the push rod of the electro-hydraulic push rod 252 is controlled to pull the spring 253, and the spring 253 Pull the transmission frame 254, the transmission frame 254 pulls the sliding column 255, the sliding column 255 slides in the sliding groove 222 of the swing frame 22 and pulls the swing frame 22, and the swing frame 22 rotates along the installation shaft 21 to the outside of the inclined lane track. When the rod 252 stops, the mine cart is not in contact with the intercepting device 2, and the interception of the mine cart is released.

Claims (6)

1. The anti-sports car device includes: a centralized control box (1), an intercepting device (2), the centralized control box (1) and the intercepting device (2) are arranged in the inclined lane, and the centralized control box (1) is located along the ascending direction of the inclined lane. Above the intercepting device (2), there are two intercepting devices (2), which are symmetrically arranged on both sides of the inclined lane track, a speed monitoring device is arranged on the centralized control box (1), and the centralized control box (1) is connected to the speed monitoring device. device electrical connection; The intercepting device (2) comprises: an installation shaft (21), a swing frame (22), a friction plate (23), a blocking block (24), a power mechanism (25), and the installation shaft (21) is fixed on the inclined lane track. Outside, the swinging frame (22) is rotatably mounted on the mounting shaft (21), the friction plate (23) is fixedly installed on the swinging frame (22), and the lower surface of the swinging frame (22) is vertically fixed with a blocking block (24), The power mechanism (25) is connected with the swing frame (22), and the power mechanism (25) is electrically connected with the centralized control box (1); It is characterized by: One end of the upper surface of the swing frame (22) is provided with a mounting hole (221) penetrating the upper and lower surfaces thereof, and the upper surface of the swing frame (22) is further provided with a sliding groove (222) penetrating the upper and lower surfaces thereof , the length of the swing frame (22) is not less than the length of the mine car body; The blocking block (24) is located on the lower surface of the swing frame (22) relative to the other end having the mounting hole (221), and the height of the blocking block (24) is not greater than the bottom surface of the swing frame (22) to the rail surface of the inclined lane rail. The distance from the bottom surface of the blocking block (24) to the rail surface of the inclined lane is less than the radius of the mine car wheel; One end of the friction plate (23) is located above the blocking block (24), and the other end extends along the ascending direction of the inclined lane. Less than the length of the mine car body, the bottom surface of the friction plate (23) is parallel to the rail surface of the inclined lane rail and the distance between the two is not less than the diameter of the mine car wheel, and the surface of the friction plate (23) facing the mine car corresponds to the The shape of the minecart body is matched; The power mechanism (25) comprises: a base (251), an electro-hydraulic push rod (252), a spring (253), a transmission frame (254), a sliding column (255), and the transmission frame (254) is connected by a connecting plate (2541) ), top plate (2542), bottom plate (2543) composed of "C"-shaped frame; The above-mentioned sliding column (255) is arranged in the sliding groove (222) of the swing frame (22) and slides along the sliding groove (222). The bottom plate (2543) is fixedly connected and is perpendicular to the top plate (2542) and bottom plate (2543) of the transmission frame (254). The connecting plate (2541) of (254) is not in contact with the swing frame (22); One end of the above-mentioned spring (253) is vertically fixed on the surface of the connecting plate (2541) of the transmission frame (254) facing away from the sliding column (255), and the other end of the spring (253) is fixedly connected to the pusher of the electro-hydraulic push rod (252). rod, the push rod of the electro-hydraulic push rod (252) is coaxial with the spring (253), the base of the electro-hydraulic push rod (252) is fixed on the base (251), and the base (251) is fixed on the floor of the inclined lane superior; When the electro-hydraulic push rod (252) of the power mechanism (25) does not move, the mining cart in the inclined lane normally travels through the intercepting device (2), and the mining cart does not contact the intercepting device (2); When the push rod of the electro-hydraulic push rod ( 252 ) of the power mechanism ( 25 ) is pushed out, the two symmetrically arranged friction plates ( 23 ) both rotate along the mounting shaft ( 21 ) to the inside of the inclined lane track, and the shortest distance between them is The distance between the two blocks is smaller than the width of the mine car body, and the two symmetrically arranged blocking blocks (24) rotate toward the inner side of the inclined lane track along the installation axis (21), and the shortest distance between them is smaller than the width of the mine car body; When the intercepting device (2) is in the protection state, the mining cart slides down into the intercepting device (2), the mining cart body rubs against the friction plate (23) and pushes the friction plate (23), and the spring (253) is compressed at this time. When the wheel of the mine car collides with the blocking block (24), the friction plate (23) is located just above the front and rear wheels of the mine car, and the bottom surface of the friction plate (23) is close to but not in contact with the top of the front and rear wheels of the mine car, Spring (253) is fully compressed. 2 . The anti-sports car device according to claim 1 , wherein when the blocking block ( 24 ) collides with the wheel of the mine car, the surface facing the wheel is perpendicular to the rail of the inclined lane. 3 . 3 . The anti-sports car device according to claim 1 , wherein the friction plate ( 23 ) is made of flame-retardant rubber. 4 . 4 . The anti-sports car device according to claim 1 , wherein the outer surface of the blocking block ( 24 ) is wrapped with a flame-retardant rubber layer. 5 . 5 . The anti-sports car device according to claim 1 , wherein the intercepting device ( 2 ) further comprises a plurality of supporting legs ( 26 ), and the supporting legs ( 26 ) are fixed on the floor of the inclined lane. The surface fits with the bottom surface of the swing frame (22). 6. The anti-sports car device according to claim 1, wherein the sliding column (255) is a roller structure.

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