CN214874844U - Flexible car stopping structure for mine ramp - Google Patents

Abstract

The utility model provides a neither need manual control and electric control, can reduce the flexible car structure that keeps off in mine ramp that keeps off the car impact again relates to mine ramp car technical field that keeps off. The mine ramp flexible car stopping structure comprises a traction rope, a car stopping net and fixed ropes respectively arranged on two sides of a mine car track, wherein the car stopping net can be arranged above a ramp in a lifting mode and comprises an upper cross beam and a net body formed by weaving ropes, and the net body is hung on the upper cross beam; one end of the traction rope is connected with the upper cross beam, the other end of the traction rope is connected with a movable pulley through a fixed pulley, the movable pulley is positioned below the lifting rope, and the lifting rope is connected with the mine car and presses the movable pulley; one end of the fixed rope is anchored on the ramp through an earth anchor, and the other end of the fixed rope is connected with the lower end of the net body. The utility model discloses it is higher to keep off the car reliability, can reduce again and keep off the car and assault, and the mine car warp or damage when preventing to keep off the car.

Description

Flexible car stopping structure for mine ramp

Technical Field

The utility model relates to a mine ramp technical field that keeps off a car, specificly relates to a flexible car structure that keeps off of mine ramp.

Background

A car stopping barrier must be arranged downwards at a mine inclined shaft lifting slope-changing point to prevent a mine car from rushing down into the inclined shaft under the condition that a worker does not have a traction rope, so that a major car running accident is caused. Under the normal production condition, when the mine car passes through, the car stopping rail needs to be lifted quickly, and when the mine car passes through, the car stopping rail needs to be put down when the mine car reaches a specified position. At present, the existing car stopping fences mostly adopt an electric mode, and the lifting and the putting down of the car stopping fences are manually controlled by manually operating buttons. This approach is susceptible to human and equipment causes and is also less reliable.

In order to solve the problems, such as: patent CN202449708U shows that a does not need manual control, does not need electric control, plays the structure of keeping off the car of the effect of automatic car with the help of the mechanical force when lifting completely, and this structure includes fender car sideboard and haulage rope, and haulage rope one end is connected with fender car sideboard, and the other end passes through the fixed pulley to be connected with the movable pulley, and the position of movable pulley is in the below of haulage rope, and the haulage rope is connected with the mine car and suppresses the movable pulley. The car stopping structure utilizes the lifting rope to press the movable pulley downwards, and the movable pulley automatically lifts the car stopping fence board through the traction rope, so that a mine car can smoothly pass through the car stopping fence board; after lifting, the lifting rope is separated from the mine car, the movable pulley cannot be pressed by the lifting rope due to the loss of the weight of the mine car, and the vehicle-stopping fence plate is automatically put down under the action of the self weight of the vehicle-stopping fence plate to play a role in stopping the vehicle. The car stopping structure adopts the car stopping barrier plate to stop the car, when the car is stopped, the mine car and the car stopping barrier plate are in rigid collision, the impact force is large, and the deformation of the mine car or the car stopping barrier plate is easily caused. In addition, due to the limited weight of the mine car, the car blocking baffle can only be arranged in a small width (the car blocking baffle is too wide, so that the problem that the car blocking baffle cannot be lifted due to too heavy weight) generally, and when the mine car is blocked, the mine car is likely to pass through the two sides of the car blocking baffle once derailed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a flexible car stopping structure of mine ramp that neither needs manual control and electric control, can reduce the car stopping impact again is provided.

The utility model provides a technical scheme that its technical problem adopted is: the mine ramp flexible car stopping structure comprises a traction rope, a car stopping net and fixed ropes respectively arranged on two sides of a mine car track, wherein the car stopping net can be arranged above a ramp in a lifting mode and comprises an upper cross beam and a net body formed by weaving ropes, and the net body is hung on the upper cross beam;

one end of the traction rope is connected with the upper cross beam, the other end of the traction rope is connected with a movable pulley through a fixed pulley, the movable pulley is positioned below a lifting rope, and the lifting rope is connected with the mine car and presses the movable pulley so as to lift the car stopping net;

one end of the fixed rope is anchored on the ramp through an earth anchor, and the other end of the fixed rope is connected with the lower end of the net body.

Furthermore, the car stopping net further comprises a lower cross beam used for fixing the lower end of the net body, and the other end of the fixing rope is connected with the lower end of the net body through the lower cross beam.

Furthermore, a hanging beam is arranged between the upper cross beam and the traction rope, the upper cross beam is rotatably arranged on the hanging beam, and a locking mechanism for locking the rotating position of the upper cross beam is arranged between the upper cross beam and the hanging beam.

Further, the locking mechanism comprises a ratchet wheel and a pawl, the ratchet wheel is installed on the upper cross beam, and the pawl is installed on the hanging beam and matched with the ratchet wheel.

Furthermore, lifting ropes are arranged at two ends of the lifting beam.

Furthermore, the net body is formed by weaving steel ropes.

Further, the ground anchor is arranged at the top of the slope.

The utility model has the advantages that: the utility model discloses a car stopping structure does not need manual control, does not need electric control, plays the effect of automatic car stopping with the help of the mechanical force when lifting completely, and the car stopping reliability is higher, simultaneously, because this car stopping structure's car stopping net dictyosome adopts to weave by the rope and forms, and the car stopping net is flexible, can reduce the car stopping again and strike, and the mine car warp or damage when preventing to keep off the car.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a cross-sectional view taken along line B-B of FIG. 1;

FIG. 3 is an enlarged view taken at A in FIG. 2;

FIG. 4 is a schematic structural view of a car stopping net which can be arranged in a lifting mode in a sliding rail mode;

shown in the figure: the device comprises a car blocking net 1, a traction rope 2, a fixed pulley 3, a movable pulley 4, a lifting rope 5, a mine car 6, a ramp 7, a ground anchor 8, a fixed rope 9, a mine car track 10, a net body 11, an upper cross beam 12, a lower cross beam 13, a lifting rope 14, a lifting beam 15, a sliding rail 16, a ratchet wheel 21 and a pawl 22.

Detailed Description

The present invention will be further explained with reference to the drawings and examples.

As shown in fig. 1 and 2, the flexible car stopping structure for mine ramp of the present invention comprises a traction rope 2, a car stopping net 1 and fixing ropes 9 respectively arranged at two sides of a mine car track 10, wherein the car stopping net 1 can be lifted and arranged above the ramp 7, and comprises an upper beam 12 and a net body 11 woven by ropes, and the net body 11 is hung on the upper beam 12 to make the net body 11 in an expanded state; one end of the traction rope 2 is connected with the upper cross beam 12, the other end of the traction rope is connected with a movable pulley 4 through a fixed pulley 3, the movable pulley 4 is positioned below a lifting rope 5, and the lifting rope 5 is connected with a mine car 6 and presses the movable pulley 4 to lift the car stopping net; one end of the fixed rope 9 is anchored on the ramp 7 through an earth anchor 8, and the other end is connected with the lower end of the net body 11.

The earth anchor 8 is arranged as far away from the retaining net 1 as possible so that the pull-up force of the fixing rope 9 against the earth anchor 8 is smaller when the car is retained, for which purpose the earth anchor 8 is preferably arranged at the top of the slope 7.

When the winch normally lifts and puts down mine car 6, the tensioning under the effect of lifting rope 5 in the mine car, utilize lifting rope 5 to push down movable pulley 4, movable pulley 4 is through haulage rope 2 with keeping off car net 1 automatic mention, mine car 6 is from keeping off car net 1 below normally passing through, when 5 gib heads of lifting rope do not being connected the mine car with the mine car and taking place the sports car accident, owing to lost lifting rope 5's overdraft, keep off car net 1 automatic decline under the action of gravity and to blocking the car height, the lower end is held through fixed rope 9 when keeping off the car, thereby live the mine car pocket, play the effect of keeping off the car. Under the same width, the quality of fender car net is lighter than the quality of fender car sideboard, changes the promotion, can prevent that the mine car from keeping off the car net both sides and passing through under the cooperation of fixed rope 9, and the effect of keeping off the car is better. The structure does not need manual control or electric control, plays a role in automatically stopping the vehicle by mechanical force during lifting, and has higher reliability in stopping the vehicle. Meanwhile, because the net body of the car stopping net 1 of the car stopping structure is formed by weaving ropes, compared with the existing baffle structure, the car stopping net is flexible, the car stopping impact can be reduced, and the deformation or damage of the mine car can be prevented.

The net body 11 can be woven by nylon rope, hemp rope, steel rope, etc., the utility model discloses well preferred steel rope that adopts tensile strength to be bigger.

The net body 11 of the car stopping net 1 is woven by ropes, the net body 11 is flexible, the stress deformation degree of the lower end of the net body is large when a car is stopped, and the mine car 6 can penetrate through the positions between the fixing ropes 9 on the two sides, so that the car stopping effect is not ideal. For this purpose, as shown in fig. 2, the car stopping net 1 further includes a lower cross member 13 for fixing the lower end of the net body 11, and the other end of the fixing rope 9 is connected to the lower end of the net body 11 through the lower cross member 13. Therefore, the deformation of the lower end of the net body 11 is limited through the lower cross beam 13, the stress deformation degree of the net body during car stopping can be reduced, and the car stopping effect is ensured.

The passing height of the mine cars can be different, and the passing height can be realized by adjusting the lifting height of the car stopping net 1. The embodiment of the utility model provides an in, be equipped with hanging beam 15 between entablature 12 and haulage rope 2, entablature 12 is rotatable installs in hanging beam 15, is equipped with the locking mechanical system who locks 12 turned position of entablature between entablature 12 and hanging beam 15. When the passing height of the mine car is increased, the upper cross beam 12 is rotated to wind a part of the net body 11 on the upper cross beam 12, so that the lower cross beam 13 is lifted, and therefore the passing height can be adjusted under the condition that the lifting height is unchanged. After the position of the lower beam 13 is adjusted, the locking mechanism locks the position of the upper beam 12.

The locking mechanism of the utility model can be a buckle structure or a pin hole matched plug-in structure (plugged in the upper beam 12 and the hanging beam 15 through a plug). In the embodiment of the utility model, as shown in fig. 3, locking mechanical system is ratchet, including ratchet 21 and pawl 22, ratchet 21 installs on entablature 12, and pawl 22 installs on hanging beam 15 and cooperates with ratchet 21 to the realization is to entablature 12 turned position's locking, prevents that entablature 12 from rotating under the action of gravity of bottom end rail 13, makes bottom end rail 13 highly reduce.

The middle and upper cross beams 12, 13 and the hanging beam 15 of the utility model can be made of steel pipes.

The mode that car stopping net 1 can only be hung through haulage rope 2 and establish realizes going up and down to set up in ramp 7 top, the utility model discloses in the example, car stopping net 1 both sides are equipped with lifting rope 14, realize through lifting rope 14 that can go up and down to set up in ramp 7 top, so, can control the down stroke that car stopping net 1 through the 14 length of reasonable setting lifting rope, need not control through haulage rope 2, are convenient for set up the haulage rope, when setting up the hanging beam after, specific, lifting rope 14 sets up at hanging beam 15 both ends, is connected through hanging beam and car stopping net. In some embodiments, the raising and lowering of the screen 1 may be accomplished by providing slide rails 16 on both sides of the tramway track 10 that slidably engage the top rail 12 or ends of the suspension beams (see FIG. 4).

Claims (7)

1. Mine ramp flexible car stopping structure, its characterized in that: the device comprises a traction rope (2), a car blocking net (1) and fixing ropes (9) which are respectively arranged on two sides of a mine car track (10), wherein the car blocking net (1) can be arranged above a ramp (7) in a lifting mode and comprises an upper cross beam (12) and a net body (11) woven by ropes, and the net body (11) is hung on the upper cross beam (12);

one end of the traction rope (2) is connected with the upper cross beam (12), the other end of the traction rope is connected with the movable pulley (4) through the fixed pulley (3), the movable pulley (4) is located below the lifting rope (5), the lifting rope (5) is connected with the mine car (6) and presses the movable pulley (4) so as to lift the car stopping net (1);

one end of the fixed rope (9) is anchored on the ramp (7) through an earth anchor (8), and the other end is connected with the lower end of the net body (11).

2. The mine ramp flexible car stop structure of claim 1, wherein: the car blocking net (1) further comprises a lower cross beam (13) used for fixing the lower end of the net body (11), and the other end of the fixed rope (9) is connected with the lower end of the net body (11) through the lower cross beam (13).

3. The mine ramp flexible car stop structure of claim 1, wherein: a hanging beam (15) is arranged between the upper cross beam (12) and the traction rope (2), the upper cross beam (12) is rotatably arranged on the hanging beam (15), and a locking mechanism for locking the rotating position of the upper cross beam (12) is arranged between the upper cross beam (12) and the hanging beam (15).

4. The mine ramp flexible car stop structure of claim 3, wherein: the locking mechanism comprises a ratchet wheel (21) and a pawl (22), the ratchet wheel (21) is installed on the upper cross beam (12), and the pawl (22) is installed on the hanging beam (15) and matched with the ratchet wheel (21).

5. The mine ramp flexible car stop structure of claim 3, wherein: and lifting ropes (14) are arranged at two ends of the lifting beam (15).

6. The mine ramp flexible car stop structure of claim 1, wherein: the net body (11) is formed by weaving steel ropes.

7. The mine ramp flexible car stop structure of claim 1, wherein: the ground anchor (8) is arranged at the top of the slope (7).

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