Anti-collision protection device for mining monorail crane

Abstract

An anti-collision protection device for a mining monorail crane belongs to the technical field of underground safety and comprises two fixing supports, the two fixing supports are fixedly arranged at the front end and the rear end of the monorail crane, and a hydraulic ball valve is fixedly arranged on each fixing support. An oil inlet and an oil outlet of the hydraulic ball valve are respectively connected with the brake oil cylinder through a hydraulic oil pipe, a control handle of the hydraulic ball valve is vertically arranged, the control handle is fixedly connected with a touch rod, and the end, away from the control handle, of the touch rod extends in the direction away from the monorail crane. The touch rod moves towards the direction of the monorail crane under the action of impact force, the touch rod synchronously drives the control handle to act so as to open the hydraulic ball valve, then the brake oil cylinder can be controlled to be started, instant stopping is achieved, accidents are reduced, the monorail crane is prevented from being collided, and the anti-collision protection device is simple in overall structure and convenient to operate. The device is convenient to install and use, low in use cost, simple in trigger control mode, higher in trigger reaction speed and higher in use safety performance.

Description

Technical Field

[0001] The utility model relates to the technical field of underground safety, in particular to an anti-collision protection device for a mine single rail hoist locomotive. Background Technique

[0002] A mine single rail hoist locomotive, also known as a single rail hoist or a cable haulage vehicle, is a highly efficient and convenient device that utilizes a suspended track and uses hydraulic pressure, electricity, diesel, etc. as power sources to realize the dragging of the end cables of the fully mechanized coal mining face in the coal mine, equipment transportation, and temporary storage.

[0003] During the process of using a single rail hoist locomotive in the coal mine, there are often phenomena such as the single rail hoist locomotives colliding with each other and the single rail hoist locomotive colliding with the air door. Currently, there has emerged a single rail hoist anti-collision device (publication number CN212921480U). An anti-collision device is assembled in front of the cab of the single rail hoist locomotive. When a collision occurs, under the action of the impact force, the trigger plate moves backward, and the trigger rod synchronously moves backward to trigger the normally closed two-way valve. The normally closed two-way valve is turned on. The normally closed two-way valve is connected to the brake cylinder of the braking system of the single rail hoist locomotive through hydraulic pipeline one and hydraulic pipeline two. The brake cylinder is activated to achieve instant parking, avoiding the collision of the single rail hoist locomotive and ensuring safe use.

[0004] For the existing single rail hoist anti-collision device, a return spring is sleeved on the trigger rod. Although the degree of automation of the trigger rod reset is improved, it is easily affected by parameters such as the elastic coefficient and pre-tightening force of the return spring, resulting in a reduction in the collision trigger sensitivity. Moreover, when the elastic coefficient and pre-tightening force are relatively large, the force required to trigger the valve will increase. In addition, there is a distance between the trigger rod and the valve, and the trigger reaction sensitivity is also affected, which is extremely likely to cause a collision due to too short a braking distance. Content of the Utility Model

[0005] In order to solve the technical problem in the above background technique that the existing single rail hoist anti-collision device has a complex structure, resulting in poor collision trigger reaction sensitivity and extremely likely to cause a collision due to too short a braking distance, the utility model provides an anti-collision protection device for a mine single rail hoist locomotive.

[0006] The technical solution of the utility model is as follows:

[0007] The utility model provides an anti-collision protection device for a mine single-rail hoist locomotive, which includes fixed brackets. There are two fixed brackets, and the two fixed brackets are fixedly arranged at the front and rear ends of the single-rail hoist locomotive. Each fixed bracket is fixedly provided with a hydraulic ball valve. The oil inlet and oil outlet of the hydraulic ball valve are respectively connected to a brake cylinder through a hydraulic oil pipe. The control handle of the hydraulic ball valve is vertically arranged, and the control handle is fixedly connected with a touch rod. The end of the touch rod away from the control handle extends in the direction away from the single-rail hoist locomotive. The touch rod moves towards the single-rail hoist locomotive under the action of an impact force, and the touch rod synchronously drives the control handle to act, so as to open the hydraulic ball valve, and then can control the brake cylinder to start, realize instant parking, reduce the occurrence of accidents, avoid the collision of the single-rail hoist locomotive, and the overall structure of the anti-collision protection device is simple, easy to install and use, with low use cost, simple trigger control method, faster trigger reaction speed, and higher use safety performance.

[0008] Preferably, the touch rod is fixedly connected to the end of the control handle, which is more convenient for the touch rod to push the control handle to move to operate the opening and closing of the hydraulic ball valve.

[0009] Preferably, the touch rod is perpendicular to the control handle, and the movement trajectories of the touch rod and the control handle are tangent, which is convenient for driving the control handle.

[0010] Preferably, the touch rod is arranged obliquely downward. When the touch rod collides, it can give an upward oblique thrust to the control handle, which is more convenient for pushing the control handle.

[0011] Preferably, the fixed bracket is of an L-shaped structure, which is convenient for the installation of the hydraulic ball valve.

[0012] Preferably, the fixed bracket includes a fixed part and a support part that are perpendicular to each other. The fixed part is vertically fixedly arranged on the single-rail hoist locomotive. One end of the support part is slidably connected to the fixed part, and the support part and the fixed part are fixed by bolts. The hydraulic ball valve is fixedly installed on the support part, and the position of the support part can be adjusted according to needs to improve its adaptability and meet different working requirements.

[0013] Preferably, a vertical T-shaped chute is opened on the fixed part, and a T-shaped slider is fixedly provided at one end of the support part, which plays a role in preventing pulling out.

[0014] Preferably, a plurality of mounting holes are spaced along the length direction on the side wall of the fixed part, and a threaded hole is opened on the slider. The bolt sequentially passes through the coaxial mounting hole and the threaded hole, which is convenient for fixedly connecting the fixed part and the support part together.

[0015] It can be seen from the above technical solutions that the advantages of the utility model are as follows:

[0016] 1. It is connected to the brake cylinder through a hydraulic ball valve and a hydraulic oil pipe. The control handle of the hydraulic ball valve is fixedly connected to the touch rod. Under the action of the impact force, the touch rod moves towards the monorail hoist locomotive direction, and the touch rod drives the control handle to act synchronously to open the hydraulic ball valve, thereby enabling the control of the start of the brake cylinder to achieve instant parking, reducing the occurrence of accidents, avoiding the collision of the monorail hoist locomotive, and the overall structure of the anti-collision protection device is simple, facilitating installation and use, with low usage cost, simple trigger control method, faster trigger response speed, and higher safety performance.

[0017] 2. The hydraulic ball valve is installed on the support part of the fixed bracket. The support part is slidably connected to the fixed part and fixed by bolts, and the position of the support part can be adjusted according to requirements to improve its adaptability and meet different working requirements. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the present invention, the drawings required for description will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0019] Figure 1 It is a schematic structural diagram of the anti-collision protection device according to one or more embodiments of the present invention;

[0020] The components represented by the reference numerals in the drawings are:

[0021] 1. Fixed bracket; 11. Fixed part; 12. Support part; 13. Slide groove; 14. Slide block; 15. Mounting hole; 16. Bolt; 2. Hydraulic ball valve; 21. Control handle; 3. Touch rod; 4. Hydraulic oil pipe. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0022] In order to make the objectives, features, and advantages of the present invention more obvious and understandable, the technical solutions in the present invention will be clearly and completely described below with reference to the drawings in the specific embodiments. Obviously, the embodiments described below are only some embodiments of the present invention, rather than all embodiments. Based on the embodiments in this patent, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of this patent.

[0023] Embodiment 1

[0024] In a typical embodiment of the present invention, as Figure 1As shown in the figure, an anti-collision protection device for a single-rail hoist locomotive in a mine is proposed, including: a fixed bracket 1, a hydraulic ball valve 2, and a touch rod 3. Among them, there are two fixed brackets 1, and the two fixed brackets 1 are fixedly installed at the front and rear ends of the single-rail hoist locomotive (with the traveling direction as a reference) by means of welding or bolt fixing, that is, a fixed bracket 1 is fixedly provided at the front end and the rear end of the single-rail hoist locomotive respectively.

[0025] A hydraulic ball valve 2 is fixedly installed on each fixed bracket 1. A hydraulic oil pipe 4 is respectively connected to the oil inlet and the oil outlet of the hydraulic ball valve 2. The oil inlet of the hydraulic ball valve 2 is connected to the oil inlet of the brake cylinder of the single-rail hoist locomotive braking system through the hydraulic oil pipe 4, and the oil outlet of the hydraulic ball valve 2 is connected to the oil return port of the brake cylinder of the single-rail hoist locomotive braking system through the hydraulic oil pipe 4.

[0026] The hydraulic ball valve 2 includes a control handle 21. The control handle 21 is used to control the rotation of the sphere through the valve stem, thereby controlling the flow of the liquid. When the hydraulic ball valve 2 is in the closed state, the control handle 21 is in the vertically downward state. The lower end of the control handle 21 is fixedly connected to the touch rod 3 by welding. The touch rod 3 is horizontally arranged, that is, the touch rod 3 is perpendicular to the control handle 21.

[0027] It can be understood that in other embodiments, the control handle 21 can also be arranged vertically upward, so that the touch rod 3 is fixedly connected to the upper end of the control handle 21. The specific setting method can be determined according to the actual design requirements, and no excessive restrictions are made here.

[0028] When the touch rod 3 is in the non-collision state, it is placed horizontally and extends in the direction away from the single-rail hoist locomotive. When a collision occurs, it will push the touch rod 3 to move in the direction close to the single-rail hoist locomotive, thereby pushing the control handle 21 to move to open the hydraulic ball valve 2, and the brake cylinder starts to achieve instant parking, reducing the occurrence of accidents and avoiding the collision of the single-rail hoist locomotive.

[0029] It can be understood that the touch rod 3 is made of an elastic material, such as a steel bar, etc., and the length of the touch rod 3 meets the actual braking distance requirements and can push the control handle 21 to rotate to open the hydraulic ball valve 2 after being touched.

[0030] In this embodiment, the hydraulic oil pipe 4 is connected to the brake cylinder of the single-rail hoist locomotive braking system through a pipe joint. The pipe joint is a three-way joint, and the hydraulic pipeline 4 has the same specification as the single-rail hoist locomotive braking oil pipe, which is convenient for assembly and use.

[0031] The fixed support 1 has an L-shaped structure. The fixed support 1 includes a fixed part 11 and a support part 12. The fixed part 11 is arranged vertically, and the support part 12 is arranged horizontally. One end of the support part 12 is slidably arranged on the fixed part 11, and the support part 12 and the fixed part 11 are fixed by a bolt 16. The fixed part 11 is fixedly arranged on the single-rail hoist locomotive by welding or other means. The hydraulic ball valve 2 is fixedly installed on the support part 12.

[0032] Specifically, a vertical chute 13 is formed on the fixed part 11. One end of the support part 12 is fixedly provided with a slider 14. The chute 13 is a T-shaped groove, and the slider 14 is a T-shaped structure. The slider 14 is slidably arranged in the chute 13. Through the cooperation of the T-shaped shape, the anti-pulling-out effect is achieved.

[0033] The fixed part 11, the support part 12 and the slider 14 are all made of metal. A plurality of mounting holes 15 are spaced along the length direction on the side wall of the fixed part 11 for the installation of the bolt 16. A threaded hole is formed on the slider 14. The position of the support part 12 on the fixed part 11 can be adjusted according to requirements. The bolt 16 sequentially passes through the coaxial mounting hole 15 and the threaded hole to realize the fixation between the fixed part 11 and the support part 12. Thus, the height of the support part 12 can be adjusted according to actual requirements to improve its adaptability and meet different working requirements.

[0034] The specific working principle is as follows: A fixed support 1 is fixedly installed at the front and rear ends of the single-rail hoist locomotive respectively. The height of the support part 12 is adjusted, and a hydraulic ball valve 2 is installed on each support part 12. The hydraulic ball valve 2 is connected to the brake cylinder of the braking system of the single-rail hoist locomotive through a hydraulic oil pipe 4. When a collision occurs, the touch rod 3 moves towards the single-rail hoist locomotive under the action of the impact force. The touch rod 3 synchronously drives the control handle 21 to act, opens the hydraulic ball valve 2, and the brake cylinder starts to achieve instant parking, reducing the occurrence of accidents and avoiding the collision of the single-rail hoist locomotive. It is safe to use. When it is necessary to move again, only the control handle 21 needs to be reset manually. Although the degree of automation is low, the braking reaction is more sensitive, the use is more convenient, and the reliability is strong.

[0035] The overall structure of the anti-collision protection device in this embodiment is simple, easy to install and use, has a low use cost, and has a simple trigger control method, a faster trigger reaction speed, and a higher use safety performance.

[0036] Embodiment 2

[0037] In another typical embodiment of the present utility model, an anti-collision protection device for a mine single-rail hoist locomotive is proposed. The anti-collision protection device in this embodiment is similar in structure to the anti-collision protection device in Embodiment 1. The difference lies in the setting of the touch rod 3. In this embodiment, the touch rod 3 is arranged obliquely downward, so that the angle between the touch rod 3 and the control handle 21 is slightly greater than 90°, for example, 90° - 100°. Thus, when the touch rod 3 collides, it can give an upward oblique thrust to the control handle 21, making it more convenient to push the control handle 21.

[0038] It should be noted that the inclination angle of the touch rod 3 should not be too large to avoid its failure to be triggered by impact. The specific setting angle can be determined according to actual design requirements and will not be limited here.

[0039] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present utility model. Various modifications to these embodiments will be obvious to those skilled in the art. The general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present utility model. Therefore, the present utility model will not be limited to these embodiments shown herein, but rather to the broadest scope consistent with the principles and novel features disclosed herein.

Claims

1. A mining monorail crane anti-collision protection device, comprising: A fixed bracket (1), characterized in that two fixed brackets (1) are provided, the two fixed brackets (1) are fixedly arranged at the front and rear ends of the monorail crane, a hydraulic ball valve (2) is fixedly arranged on each fixed bracket (1), the oil inlet and the oil outlet of the hydraulic ball valve (2) are respectively connected to the brake cylinder through a hydraulic oil pipe (4), the control handle (21) of the hydraulic ball valve (2) is vertically arranged, the control handle (21) is fixedly connected to a touch rod (3), and the end of the touch rod (3) away from the control handle (21) extends in a direction away from the monorail crane.

2. The anti-collision protection device for mining monorail crane locomotive according to claim 1 is characterized in that: The touch rod (3) is fixedly connected to the end of the control handle (21).

3. The anti-collision protection device for mining monorail crane locomotive according to claim 1 is characterized in that: The touch rod (3) is perpendicular to the control handle (21).

4. The anti-collision protection device for a mining monorail crane locomotive according to claim 1 is characterized in that: The touch rod (3) is arranged obliquely downward.

5. The anti-collision protection device for mining monorail crane locomotive according to claim 1 is characterized in that: The fixing bracket (1) is an L-shaped structure.

6. The anti-collision protection device for a mining monorail crane locomotive according to claim 5, characterized in that: The fixing bracket (1) comprises a fixing part (11) and a supporting part (12) which are perpendicular to each other. The fixing part (11) is vertically fixedly arranged on the monorail crane. One end of the supporting part (12) is slidably connected to the fixing part (11). The supporting part (12) and the fixing part (11) are fixed by bolts (16). The hydraulic ball valve (2) is fixedly mounted on the supporting part (12).

7. The anti-collision protection device for a mining monorail crane locomotive according to claim 6, characterized in that: A vertical T-shaped sliding groove (13) is provided on the fixing portion (11), and a T-shaped sliding block (14) is fixedly provided on one end of the supporting portion (12).

8. The anti-collision protection device for a mining monorail crane locomotive according to claim 7, characterized in that: A plurality of mounting holes (15) are provided at intervals on the side wall of the fixing portion (11) along its length direction, a threaded hole is provided on the sliding block (14), and a bolt (16) passes through the coaxial mounting hole (15) and the threaded hole in sequence.

Images