Emergency braking device of coal mine winch

Abstract

The utility model provides an emergency braking device of a coal mine winch. The emergency braking device of the coal mine winch comprises a fixing frame; the two guide blocks are fixedly installed on the inner walls of the two sides of the fixing frame respectively, brake rods are installed on the two guide blocks in a sliding mode, and brake rings are arranged on the two brake rods; the supporting rod is installed on the fixing frame in a sliding mode, the two ends of the supporting rod are sleeved with sliding sleeves in a sliding mode, the two sides of the two sliding sleeves are each provided with a connecting rod in a hinged mode, and one ends of the two connecting rods are hinged to the fixing frame and the brake rod respectively; and the mounting box is fixedly mounted at the bottom of the fixing frame, and an electric hydraulic rod is fixedly mounted in the mounting box. The emergency braking device of the coal mine winch has the advantages that the drum shaft can be guaranteed to stop rotating quickly in the braking process, and the braking process is stable and reliable.

Description

Technical Field

[0001] The utility model belongs to the technical field of mechanical safety and automatic control, and in particular relates to an emergency braking device for a coal mine winch. Background Art

[0002] Coal mine winches are important and indispensable equipment in coal mine production. They are mainly used to lift and transport materials such as coal and ore. Due to the particularity of the working environment in coal mines, winches may face various complex situations during operation, such as sudden power outages, mechanical failures, operational errors, etc. These may cause the winch to lose control or cause accidents.

[0003] When the coal mine winch is working, it is difficult to manually perform emergency braking on the coal mine winch due to the inertia of the rotating wheel. The braking effect is not very ideal and the safety is low.

[0004] Therefore, it is necessary to provide a new emergency brake device for a coal mine winch to solve the above technical problems. Utility Model Content

[0005] In order to solve the technical problems that it is difficult to perform emergency braking on a coal mine winch manually, the braking effect is not very ideal, and the safety is low, the utility model provides an emergency braking device for a coal mine winch.

[0006] The emergency braking device of the coal mine winch provided by the utility model comprises: a fixed frame; two guide blocks, the two guide blocks are respectively fixedly mounted on the inner walls on both sides of the fixed frame, brake rods are slidably mounted on the two guide blocks, and brake rings are provided on the two brake rods; a support rod, the support rod is slidably mounted on the fixed frame, sliding sleeves are provided at both ends of the support rod, a connecting rod is hingedly mounted on both sides of the two sliding sleeves, one end of the two connecting rods is hinged to the fixed frame and the brake rod, respectively; an installation box, the installation box is fixedly mounted on the bottom of the fixed frame, an electric hydraulic rod is fixedly mounted in the installation box, and the output rod of the electric hydraulic rod is connected to the support rod.

[0007] As a further solution of the utility model, a support is detachably mounted on the bottom of the installation box, and a fixing seat is fixedly mounted on the bottom of the support, and the fixing seat is used to be fixed to the ground.

[0008] As a further solution of the utility model, a storage box is slidably installed on the fixed frame, and the storage box is used to store coolant. A suction pump is fixedly installed on one side of the storage box, and the liquid inlet end of the suction pump is connected to the storage box, and the liquid outlet end of the suction pump is fixedly connected to a nozzle.

[0009] As a further solution of the utility model, an electric slide rail is fixedly installed on the fixed frame, a slider is slidably installed on the electric slide rail, and the slider is connected to the storage box.

[0010] As a further solution of the utility model, a shock absorbing cylinder is fixedly installed between the brake rod and the brake ring, and a shock absorbing spring is sleeved on the shock absorbing cylinder.

[0011] As a further solution of the utility model, inner walls of the two brake rings are provided with rubber pads, the two brake rings are arranged correspondingly, and the two brake rings are arranged in a semicircular arc shape.

[0012] As a further solution of the utility model, plug plates are fixedly installed on both sides of the pillar, fixing bolts are threadedly installed on the two plug plates, and a threaded groove threadedly connected to the fixing bolt is opened at the bottom of the installation box.

[0013] Compared with the related art, the emergency brake device of the coal mine winch provided by the utility model has the following beneficial effects:

[0014] The utility model provides an emergency brake device for a coal mine winch:

[0015] 1. The hydraulic pump is driven by an electric motor, which can quickly pressurize the hydraulic oil into the hydraulic cylinder, push the brake ring on the brake rod close to the drum shaft of the winch, and achieve rapid braking. This system has a fast response speed and the braking process is precisely controllable. It can ensure rapid and effective braking when needed, provide strong braking force, and ensure that the drum shaft stops rotating quickly during the braking process. It can ensure a smooth and reliable braking process, avoid problems such as insufficient braking force or excessive braking distance that may occur in traditional mechanical braking methods, and help improve the safety of the equipment and reduce the possibility of accidents;

[0016] 2. The brake mechanism can be supported and installed by the pillars and the fixed seat to ensure the stability of the mechanism. The lubricating liquid in the storage box can be automatically pumped out by the suction pump to ensure the uniformity and continuity of lubrication, so that the lubricating liquid can be evenly distributed on the lubricating surface, reducing the wear and damage of the brake parts. The lubrication and cooling system can reduce the maintenance and replacement frequency of the brake mechanism, thereby reducing the maintenance cost. The slider on the electric slide rail can drive the storage box to move and adjust the position of the nozzle. The shock-absorbing spring and shock-absorbing cylinder can improve the stability of the brake system, reduce the system instability caused by vibration and impact, and ensure that the brake system can maintain stable performance under various working conditions;

[0017] 3. The elasticity of the rubber pad can ensure close contact between the brake ring and the winch drum shaft, thereby improving the braking effect. During the braking process, the rubber pad can respond quickly and transmit the braking force, making the braking faster and more effective. The fixing bolts can facilitate the installation and disassembly of the installation box, and facilitate the maintenance of the electric hydraulic rod in the installation box. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to facilitate understanding by those skilled in the art, the present invention is further described below in conjunction with the accompanying drawings.

[0019] Figure 1 A schematic diagram of a front cross-sectional structure of a preferred embodiment of an emergency brake device for a coal mine winch provided by the utility model;

[0020] Figure 2 It is a top view structural schematic diagram of the brake ring in the utility model;

[0021] Figure 3 for Figure 1 A schematic diagram of the enlarged structure of part A;

[0022] Figure 4 for Figure 1 Schematic diagram of the enlarged structure of part B.

[0023] In the figure: 1. fixing frame; 2. guide block; 3. brake rod; 4. brake ring; 5. support rod; 6. sliding sleeve; 7. connecting rod; 8. installation box; 9. electric hydraulic rod; 10. support; 11. fixing seat; 12. storage box; 13. suction pump; 14. nozzle; 15. electric slide rail; 16. slider; 17. shock-absorbing cylinder; 18. shock-absorbing spring; 19. rubber pad; 20. plug plate; 21. fixing bolt. DETAILED DESCRIPTION

[0024] Please refer to Figure 1-Figure 4 ,in, Figure 1 A schematic diagram of a front cross-sectional structure of a preferred embodiment of an emergency brake device for a coal mine winch provided by the utility model; Figure 2 It is a top view structural schematic diagram of the brake ring in the utility model; Figure 3 for Figure 1 A schematic diagram of the enlarged structure of part A; Figure 4 for Figure 1The enlarged structural diagram of the B part in the figure. The emergency brake device of the coal mine winch includes: a fixed frame 1; two guide blocks 2, the two guide blocks 2 are fixedly mounted on the inner walls of the fixed frame 1 on both sides, and the two guide blocks 2 are slidably mounted with brake rods 3, and the two brake rods 3 are provided with brake rings 4; a support rod 5, the support rod 5 is slidably mounted on the fixed frame 1, and the two ends of the support rod 5 are slidably sleeved with sliding sleeves 6, and a connecting rod 7 is hingedly mounted on both sides of the two sliding sleeves 6, and one end of the two connecting rods 7 is hinged to the fixed frame 1 and the brake rod 3 respectively; an installation box 8, the installation box 8 is fixedly mounted on the bottom of the fixed frame 1, and the installation box 8 is fixed inside. An electric hydraulic rod 9 is fixedly installed, and the output rod of the electric hydraulic rod 9 is connected to the support rod 5. The hydraulic pump is driven by an electric motor to quickly press the hydraulic oil into the hydraulic cylinder, pushing the brake ring 4 on the brake rod 3 close to the drum shaft of the winch to achieve rapid braking. This system has a fast response speed and a precise and controllable braking process. It can ensure that braking is performed quickly and effectively when needed, and can provide strong braking force to ensure that the drum shaft stops rotating quickly during the braking process. It can ensure that the braking process is smooth and reliable, avoiding problems such as insufficient braking force or excessive braking distance that may occur in traditional mechanical braking methods, which helps to improve the safety of the equipment and reduce the possibility of accidents.

[0025] A support column 10 is detachably mounted on the bottom of the mounting box 8, and a fixing seat 11 is fixedly mounted on the bottom of the support column 10. The fixing seat 11 is used to be fixed to the ground. The brake mechanism can be supported and installed by the support column 10 and the fixing seat 11 to ensure the stability of the mechanism.

[0026] A storage box 12 is slidably mounted on the fixed frame 1. The storage box 12 is used to store coolant. A suction pump 13 is fixedly mounted on one side of the storage box 12. The liquid inlet end of the suction pump 13 is connected to the storage box 12. The liquid outlet end of the suction pump 13 is fixedly connected to a nozzle 14. The lubricating liquid in the storage box 12 can be automatically pumped out by the suction pump 13, which can ensure the uniformity and continuity of lubrication, so that the lubricating liquid can be evenly distributed on the lubrication surface, reducing the wear and damage of the brake components. The lubrication and cooling system can reduce the repair and replacement frequency of the brake mechanism, thereby reducing the maintenance cost.

[0027] An electric slide rail 15 is fixedly mounted on the fixed frame 1 , a slider 16 is slidably mounted on the electric slide rail 15 , and the slider 16 is connected to the storage box 12 . The slider 16 on the electric slide rail 15 can drive the storage box 12 to move and adjust the position of the nozzle 14 .

[0028] A shock absorbing cylinder 17 is fixedly installed between the brake rod 3 and the brake ring 4, and a shock absorbing spring 18 is sleeved on the shock absorbing cylinder 17. The shock absorbing spring 18 and the shock absorbing cylinder 17 can improve the stability of the braking system, reduce the system instability caused by vibration and impact, and ensure that the braking system can maintain stable performance under various working conditions.

[0029] The inner walls of the two brake rings 4 are provided with rubber pads 19, and the two brake rings 4 are arranged correspondingly. The two brake rings 4 are both arranged in a semicircular arc shape. The elasticity of the rubber pads 19 can ensure close contact between the brake rings 4 and the winch drum shaft, thereby improving the braking effect. During the braking process, the rubber pads 19 can respond quickly and transmit the braking force, making the braking faster and more effective.

[0030] Insert plates 20 are fixedly installed on both sides of the pillar 10, and fixing bolts 21 are threadedly installed on the two insert plates 20. A threaded groove threadedly connected to the fixing bolts 21 is provided at the bottom of the installation box 8. The fixing bolts 21 can be used to facilitate installation and disassembly of the installation box 8, and to facilitate maintenance of the electric hydraulic rod 9 in the installation box 8.

[0031] It is worth noting that the circuits, electronic components and modules involved in the present utility model are all prior art and can be fully implemented by those skilled in the art. Needless to say, the content protected by the present utility model does not involve improvements to software and methods.

[0032] The working principle of the emergency brake device of the coal mine winch provided by the utility model is as follows:

[0033] This solution also has an electric control cabinet, which is installed on the equipment. When in use, each electrical device can be started and operated through the electric control cabinet. The power connection method of each electrical device is an existing mature technology, which is a well-known technology for people in this field and will not be described in detail here.

[0034] When in use, the fixing seat 11 is fixed to the ground on one side of the drum shaft of the coal mine winch, and the two brake rings 4 are located on both sides of the drum shaft. When the coal mine winch needs to be emergency braked, the electric hydraulic rod 9 is started, and the output rod of the electric hydraulic rod 9 is extended. When the output rod is extended, it drives the support rod 5 to move. When the support rod 5 moves, the two sliding sleeves 6 slide along the support rod 5 and drive the two connecting rods 7 to deflect, so that the brake rod 3 moves in the guide block 2 and approaches each other until the inner wall of the brake ring 4 contacts the drum shaft and fixes it between the two brake rings 4, thereby completing the clamping and fixing of the drum shaft and performing emergency braking on the drum shaft.

[0035] During braking, friction will be generated between the brake ring 4 and the roller shaft, and friction will generate heat. First, the electric slide rail 15 is started to drive the storage box 12 close to the connection between the brake ring 4 and the roller shaft and make them correspond. Then, the suction pump 13 is started to generate suction force to suck out the lubricating liquid in the storage box 12 and drip it on the connection between the brake ring 4 and the roller shaft to cool it down.

[0036] When the electric hydraulic rod 9 in the installation box 8 needs to be inspected and repaired, the fixing bolts 21 can be tightened with a tool to remove the installation box 8 from the support 10 .

[0037] Compared with the related art, the emergency brake device of the coal mine winch provided by the utility model has the following beneficial effects:

[0038] The utility model provides an emergency brake device for a coal mine winch. By driving a hydraulic pump through an electric motor, hydraulic oil can be quickly pressed into a hydraulic cylinder to push a brake ring 4 on a brake rod 3 close to the drum shaft of the winch to achieve rapid braking. The system has a fast response speed and a precisely controllable braking process, which can ensure rapid and effective braking when needed, and can provide a strong braking force to ensure that the drum shaft quickly stops rotating during the braking process. The braking process can be ensured to be smooth and reliable, and problems such as insufficient braking force or excessive braking distance that may occur in traditional mechanical braking methods can be avoided. The brake mechanism can be supported and installed by a support 10 and a fixing seat 11 to ensure the stability of the mechanism. The lubricating liquid in a storage box 12 can be automatically pumped out by a suction pump 13, which can ensure the uniformity and continuity of lubrication, so that the lubricating liquid It can be evenly distributed on the lubrication surface to reduce the wear and damage of the brake parts. The lubrication and cooling system can reduce the maintenance and replacement frequency of the brake mechanism, thereby reducing maintenance costs. The slider 16 on the electric slide rail 15 can drive the storage box 12 to move and adjust the position of the nozzle 14. The shock-absorbing spring 18 and the shock-absorbing cylinder 17 can improve the stability of the braking system, reduce the system instability caused by vibration and impact, and ensure that the braking system can maintain stable performance under various working conditions. The elasticity of the rubber pad 19 can ensure the close contact between the brake ring 4 and the winch drum shaft, thereby improving the braking effect. During the braking process, the rubber pad 19 can respond quickly and transmit the braking force, making the braking faster and more effective. The fixing bolt 21 can facilitate the installation and disassembly of the installation box 8, and facilitate the inspection of the electric hydraulic rod 9 in the installation box 8.

[0039] It should be noted that the equipment structure and drawings of the utility model mainly describe the principle of the utility model. In terms of the technology of the design principle, the settings of the power mechanism, power supply system and control system of the device are not fully described. On the premise that the technical personnel in this field understand the principle of the above utility model, the details of the power mechanism, power supply system and control system can be clearly known. The control method of the application document is automatic control through a controller, and the control circuit of the controller can be realized by simple programming by the technical personnel in this field;

[0040] The standard parts used therein can all be purchased from the market and can be customized according to the instructions and drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt conventional models in the prior art, and the structures and principles of the components known to technical personnel in this field can be known by these technical personnel through technical manuals or through conventional experimental methods.

[0041] Although the embodiments of the present invention have been shown and described, it is understandable to those skilled in the art that various changes, modifications, substitutions and variations or direct or indirect applications may be made to these embodiments without departing from the principles and spirit of the present invention. In other related technical fields, the scope of the present invention is defined by the attached claims and their equivalents, which are equally included in the scope of patent protection of the present invention.

Claims

1. An emergency brake device for a coal mine winch, characterized in that: include: Fixed frame; Two guide blocks, the two guide blocks are respectively fixedly mounted on the inner walls of both sides of the fixing frame, the two guide blocks are slidably mounted with brake rods, and the two brake rods are provided with brake rings; A support rod, the support rod is slidably mounted on the fixed frame, two sliding sleeves are provided at both ends of the support rod, a connecting rod is hingedly mounted on both sides of the two sliding sleeves, and one end of the two connecting rods is hingedly connected to the fixed frame and the brake rod respectively; An installation box is fixedly installed at the bottom of the fixing frame. An electric hydraulic rod is fixedly installed in the installation box. The output rod of the electric hydraulic rod is connected to the support rod.

2. The emergency brake device of a coal mine winch according to claim 1, characterized in that: A support is detachably mounted on the bottom of the installation box, and a fixing seat is fixedly mounted on the bottom of the support, and the fixing seat is used to be fixed to the ground.

3. The emergency brake device of a coal mine winch according to claim 1, characterized in that: A storage box is slidably mounted on the fixed frame, and the storage box is used to store coolant. A suction pump is fixedly mounted on one side of the storage box, and the liquid inlet end of the suction pump is connected to the storage box, and the liquid outlet end of the suction pump is fixedly connected to a nozzle.

4. The emergency brake device for a coal mine winch according to claim 3, characterized in that: An electric slide rail is fixedly mounted on the fixed frame, a sliding block is slidably mounted on the electric slide rail, and the sliding block is connected to the storage box.

5. The emergency brake device for a coal mine winch according to claim 1, characterized in that: A shock absorbing cylinder is fixedly installed between the brake rod and the brake ring, and a shock absorbing spring is sleeved on the shock absorbing cylinder.

6. The emergency brake device for a coal mine winch according to claim 1, characterized in that: The inner walls of the two brake rings are both provided with rubber pads, the two brake rings are arranged correspondingly, and the two brake rings are both arranged in a semicircular arc shape.

7. The emergency brake device for a coal mine winch according to claim 2, characterized in that: Insert plates are fixedly installed on both sides of the pillar, and fixing bolts are threadedly installed on the two insert plates. The bottom of the installation box is provided with threaded grooves threadedly connected to the fixing bolts.

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