Ring picking and hanging structure of underground tramcar
The automatic clamping design using components such as grippers and pneumatic fingers solves the safety hazards and high-intensity issues associated with manual attachment and removal of rings in mine cars, achieving efficient and safe attachment and removal of rings, reducing labor intensity and improving efficiency.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-18
- Publication Date
- 2026-03-13
AI Technical Summary
In traditional mines, mine cars have heavy loads and high inertia. Manually attaching and detaching the three-ring chain poses safety hazards and high labor intensity, leading to frequent accidents and low work efficiency.
The device employs a clamp to achieve automatic, secure, stable, and rapid clamping and fixing of the hanging ring body. It includes a combination design of pneumatic fingers, clamping plates, pins, magnetic rods, and slots. The pneumatic fingers drive the clamping plates to clamp and release the hanging ring, and with the fixation of the magnetic rods and pins, automatic detachment and attachment are achieved using a gantry crane.
It achieves efficient and safe attachment and detachment of the hanging ring, reduces the labor intensity of workers, improves work efficiency, and avoids safety hazards in manual operation.
Smart Images
Figure CN223990034U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of auxiliary equipment technology for mining cars, specifically to a hook-and-unhook structure for an underground rail-guided mining car. Background Technology
[0002] Mining cars are towed by traction ropes, and multiple mining cars are connected by hooks or chains. Three-ring chains are used in narrow-gauge railway transport vehicles in mines on the surface and in underground roadways in my country, and are an important component for connecting two mining cars.
[0003] Currently, most traditional mines rely on manual coupling and uncoupling operations. Although strict management regulations and restrictions apply to each location for safety reasons, such as prohibiting coupling and uncoupling vehicles and coupling rings on slopes, prohibiting operations while vehicles are running or being adjusted, and prohibiting people from standing within a 60cm safety distance between two vehicles and on both sides of the track at the coupling and uncoupling point, the heavy weight and inertia of the mine cars after they are loaded with coal make the traditional manual coupling and uncoupling three-ring chain method prone to accidents. This method, which involves operating after the mine car decelerates at a slope change point, often results in personnel injuries due to the inertia of the mine car not being able to stop in time. Furthermore, the heavy weight of the three-ring chain, the large pulling force of the mine car, the high labor intensity of the coupling and uncoupling operation, and the low work efficiency all contribute to the problem. Utility Model Content
[0004] In view of this, this utility model provides a hook-and-unhook structure for underground rail-guided mine cars. It can automatically, securely, stably, and quickly clamp and fix the hook body using a clamping device, achieving efficient and safe hook-and-unhook operations. This significantly reduces the labor intensity of workers, improves work efficiency, and solves the problems of traditional manual hook-and-unhook operations in most mines. Due to the heavy weight and inertia of the mine car after being loaded with coal, the manual hook-and-unhook three-ring chain method often results in frequent personnel injuries after the mine car slows down at a gradient change point because the inertia prevents it from stopping in time. Furthermore, the three-ring chain is heavy, the mine car has high pulling force, and the hook-and-unhook operation is labor-intensive and inefficient.
[0005] To solve the above-mentioned technical problems, this utility model provides a hook-and-unhook structure for underground rail-guided mine cars. The hook-and-unhook structure includes a hook body comprising a connecting ring buckle connecting two mine car bodies and a lifting ring buckle connecting the two connecting ring buckles. The hook-and-unhook structure includes a hook-and-unhook mechanism located below a mobile gripping mechanism. The hook-and-unhook mechanism includes a clamp located below the mobile gripping mechanism for gripping and fixing the hook. The clamp includes pneumatic fingers with two clamping plates. Clamping components for fixing the hook body are provided on the opposite surfaces of the two clamping plates. This utility model can achieve automatic, secure, stable, and rapid clamping and fixing of the hook body through the clamp, realizing efficient and safe hook-and-unhook operations, greatly reducing the labor intensity of workers and improving work efficiency.
[0006] The clamping plate is T-shaped, with the upper part of the vertical section of the clamping plate positioned below the pneumatic finger.
[0007] The clamping assembly includes a pin detachably mounted on the inner wall of the vertical portion of one of the clamping plates for fixing the lifting ring buckle; a magnetic rod adapted to the pin is detachably mounted on the inner wall of the vertical portion of the other clamping plate; and slots for clamping and fixing the outer wall of the insertion ring buckle are provided on the inner walls of the horizontal portions of the two clamping plates.
[0008] The pin is an iron rod, and the axis of the pin coincides with the axis of the magnetic rod.
[0009] The slot is equipped with an anti-slip pad, which should be made of non-slip and wear-resistant rubber.
[0010] The mobile gripping mechanism is a gantry crane.
[0011] The lower part of the mobile gripping mechanism is equipped with a telescopic push rod, which is an electric telescopic rod. The upper part of the housing of the pneumatic finger is fixed to the lower part of the output rod of the telescopic push rod.
[0012] In summary, compared with the prior art, this application includes at least one of the following beneficial technical effects:
[0013] 1. This utility model can achieve automatic, secure, stable and rapid clamping and fixing of the hanging ring body through a clamping device, realizing efficient and safe hanging and unhooking operations, greatly reducing the labor intensity of workers and improving work efficiency. It solves the problems of most traditional mines relying on manual hanging and unhooking, which is often caused by the large weight and inertia of the mine car after it is loaded with coal. The manual hanging and unhooking method of the three-ring chain is also prone to accidents due to the inertia of the mine car not being able to stop in time after the car slows down at the slope change point. In addition, the three-ring chain is heavy, the mine car has a large pulling force, the hanging and unhooking operation is labor-intensive and the work efficiency is low.
[0014] 2. This utility model can clamp and fix the hanging ring body by driving the clamping plates closer together with pneumatic fingers, and can release the hanging ring body after it has been installed by driving the clamping plates further apart with pneumatic fingers, which is more efficient and convenient.
[0015] 3. This utility model can use the driving action of pneumatic fingers to move the two slots closer together to achieve the clamping and fixing operation of the outer wall of the plug-in ring buckle. At the same time, the two clamping plates that are close to each other can be inserted into the lifting ring buckle with the pin, and the magnetic rod can be used to achieve the support and fixing of the lifting ring buckle, thereby achieving the fixing and clamping operation of the hanging ring body. No manual gripping is required, making the operation more convenient and efficient.
[0016] 4. This utility model can protect, fix and prevent slippage of the plug-in ring buckle when the card slots are close to each other by using the anti-slip pad, avoiding the card slots directly squeezing the side wall of the plug-in ring buckle and causing it to deform and be damaged, making the operation safer and more convenient. Attached Figure Description
[0017] Figure 1 This is a schematic diagram of the hook-and-unhook structure and the main body of the underground rail-guided mine car of this utility model.
[0018] Figure 2 This utility model Figure 1 Enlarged view of the structure at point A in the middle;
[0019] Figure 3 This is a side view of the hook-and-unhook structure and the main body of the underground rail-guided mine car of this utility model.
[0020] Figure 4 This utility model Figure 3 Enlarged view of section B in the middle.
[0021] Explanation of reference numerals in the attached drawings: 100, hanging ring body; 101, plug-in ring buckle; 102, lifting ring buckle; 200, mine car body; 300, moving gripping mechanism; 400, hanging ring removal mechanism; 410, clamp; 411, pneumatic finger; 412, clamping plate; 420, clamping assembly; 421, pin; 422, magnetic rod; 423, slot; 424, anti-slip pad; 500, telescopic push rod. Detailed Implementation
[0022] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the following will be described in conjunction with the accompanying drawings of the embodiments of this utility model. Figure 1-4 The technical solutions of the embodiments of this utility model are clearly and completely described herein. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. All other embodiments obtained by those skilled in the art based on the described embodiments of this utility model are within the protection scope of this utility model.
[0023] like Figure 1-4As shown: This embodiment provides a hook-and-unhook structure for an underground rail-guided mine car. The hook-and-unhook body 100 includes a plug-in ring buckle 101 connecting two mine car bodies 200 respectively and a lifting ring buckle 102 connecting the two plug-in ring buckles 101. The hook-and-unhook structure includes a hook-and-unhook mechanism 400 disposed at the lower part of a mobile gripping mechanism 300. The hook-and-unhook mechanism 400 includes a clamp 410 disposed at the lower part of the mobile gripping mechanism 300 for gripping and fixing the hook. The clamp 410 includes pneumatic fingers 411, and the pneumatic fingers 411 have two clamping plates 412. The opposing surfaces of the two clamping plates 412 are provided with clamping components for fixing the hook-and-unhook body 100. 420. This utility model can achieve automatic, secure, stable and rapid clamping and fixing of the hanging ring body 100 through the clamp 410, realizing efficient and safe hanging and unhooking operations of the hanging ring body 100, greatly reducing the labor intensity of workers and improving work efficiency. It solves the problems of most traditional mines relying on manual hanging and unhooking, which is often caused by the large weight and inertia of the mine car after it is loaded with coal. The manual hanging and unhooking method of the three-ring chain, when operated after the mine car decelerates at the slope change point, cannot stop in time due to the inertia of the mine car, resulting in frequent personnel injury accidents. In addition, the three-ring chain is heavy, the mine car has a large pulling force, the hanging and unhooking operation is labor-intensive and the work efficiency is low.
[0024] According to one embodiment of the present invention, such as Figure 1-4 As shown, the clamping plate 412 is T-shaped, with the upper part of the vertical portion of the clamping plate 412 positioned below the pneumatic finger 411. This invention allows the clamping plates 412 to move closer together via the pneumatic finger 411 to clamp and fix the hanging ring body 100. Furthermore, the clamping plates 412 can be moved further apart via the pneumatic finger 411 to release the hanging ring body 100 from its position, making the process more efficient and convenient.
[0025] According to another embodiment of the present invention, such as Figure 1 and Figure 2As shown, the clamping assembly 420 includes a pin 421 detachably mounted on the inner wall of the vertical portion of one of the clamping plates 412 for fixing the lifting ring 102. One end of the pin 421 has an external thread, and the clamping plate 412 has a threaded hole. The pin 421 is threaded into the threaded hole. The clamping plate 412 is made of iron. A magnetic rod 422, compatible with the pin 421, is detachably mounted on the inner wall of the vertical portion of the other clamping plate 412. The end of the magnetic rod 422 is attracted to the inner wall of the clamping plate 412. The horizontal portions of the two clamping plates 412... The inner side wall is provided with a slot 423 for clamping and fixing the outer side wall of the insertion ring buckle 101. This utility model can use the driving action of the pneumatic finger 411 to drive the two slots 423 to move closer to each other to achieve the clamping and fixing operation of the outer side wall of the insertion ring buckle 101. At the same time, the two clamping plates 412 that are close to each other can be inserted into the lifting ring buckle 102 with the pin 421. With the adsorption action of the magnetic rod 422, the lifting ring buckle 102 is supported and fixed, thereby realizing the fixed clamping operation of the hanging ring body 100. No manual gripping is required, making the operation more convenient and efficient.
[0026] According to another embodiment of the present invention, such as Figure 1 and Figure 4 As shown, the pin 421 is an iron rod, and the axis of the pin 421 coincides with the axis of the magnetic rod 422. This is to ensure that the pin 421 and the iron rod are firmly attached.
[0027] According to another embodiment of the present invention, such as Figure 1 and Figure 3 As shown, the inside of the card slot 423 is provided with an anti-slip pad 424. The anti-slip pad 424 should be made of non-slip and wear-resistant rubber. This utility model can use the anti-slip pad 424 to protect and fix the plug-in ring 101 clamped when the card slots 423 are close to each other, and prevent the card slots 423 from directly squeezing the side wall of the plug-in ring 101, causing it to deform and be damaged. The operation is safer and more convenient.
[0028] The mobile gripping mechanism 300 is a gantry crane, which is an electric double-girder crane, and the brand is Kaiqi.
[0029] The lower part of the mobile gripping mechanism 300 is provided with a telescopic push rod, which is an electric telescopic rod. The upper part of the housing of the pneumatic finger 411 is fixed to the lower part of the output rod of the telescopic push rod. This utility model can make convenient and quick adjustments to the height of the pneumatic finger 411 and its lower clamping assembly 420 by extending and retracting the output rod of the telescopic push rod. This facilitates the adjustment of the height of the hanging ring body 100 clamped and fixed between the clamping plates 412, and makes it easy to quickly install and disassemble, making the operation more efficient and convenient.
[0030] How to use this utility model:
[0031] First, it needs to be clarified that the hook-and-loop structure involved in this utility model is mainly used for the removal of the insert hook in the hook body 100 at the connection point of two mine car frames. This utility model takes the clamping and fixing of the hook body 100 during the removal process in the process of connecting and fixing two mine car bodies 200 as an example to describe its usage method in detail. When it is necessary to clamp and fix the hook body 100 between the two mine car bodies 200, the gantry crane is started to move the telescopic push rod and the hook removal mechanism 400 at the lower part of the telescopic push rod to the hook body 100. The hanging ring body 100 is placed directly above the mounting bracket. Simultaneously, the output rod of the telescopic push rod extends, and the two clamping plates 412 of the pneumatic finger 411 open until the distance between the pin 421 and the magnetic rod 422 is greater than the distance of the lifting ring buckle 102. The output rod of the pneumatic telescopic push rod continues to extend until the pin 421 is moved into the through hole of the lifting ring buckle 102. Then, the pneumatic finger 411 pushes the two clamping plates 412 closer together until the pin 421 is inserted into the through hole of the lifting ring buckle 102, cooperating with the magnetic rod 422 to achieve the desired connection. The combined action of pins 421 securely fixes the ring buckle. During this process, the protective pads between the two slots 423 also clamp and fix the outer walls of the insertion ring buckles 101 at both ends of the lifting ring buckle 102 as the clamping plates 412 move closer together. Then, the output rod of the telescopic push rod retracts to the height of the clamped ring buckle body for lifting. The ring buckle body is then removed and placed using the gantry crane. This invention can achieve automatic, secure, stable and rapid clamping of the hanging ring body 100 through the clamp 410. The fixed operation enables efficient and safe attachment and detachment of the 100mm hook ring, greatly reducing the labor intensity of workers and improving work efficiency. It solves the problems of traditional manual attachment and detachment in most mines, where the mine car is heavy and has great inertia after being loaded with coal. The manual attachment and detachment method of the three-ring chain, which requires the mine car to decelerate at the change of slope, often results in personnel injury accidents due to the inertia of the mine car not being able to stop in time. In addition, the three-ring chain is heavy, the mine car has a large pulling force, and the attachment and detachment operation is labor-intensive and inefficient.
[0032] Furthermore, it should be noted that, in the description of this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.
[0033] The above description is the preferred embodiment of this utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the principle of this utility model, and these improvements and modifications should also be considered within the protection scope of this utility model.
Claims
1. A structure of a coupling and uncoupling ring of a mine car with rails underground, the coupling ring body (100) comprises a plug-in ring buckle (101) connected with two mine car bodies (200) respectively and a lifting ring buckle (102) connected with the two plug-in ring buckles (101), the structure of the coupling and uncoupling ring comprises a coupling ring taking-off mechanism (400) arranged at the lower part of a moving grabbing mechanism (300), characterized in that: The hanging ring picking mechanism (400) comprises a clamping device (410) arranged at the lower part of the mobile grabbing mechanism (300) for clamping and fixing the hanging ring, the clamping device (410) comprises pneumatic fingers (411), the clamping plates (412) of the pneumatic fingers (411) are two, and the opposite surfaces of the two clamping plates (412) are provided with clamping assemblies (420) for fixing the body (100) of the hanging ring.
2. The pick-up and drop-off ring structure of the underground track-bound mine car according to claim 1, characterized in that: The clamping plate (412) is T-shaped, and the upper part of the vertical part of the clamping plate (412) is arranged at the lower part of the pneumatic finger (411).
3. The pick-up and drop-off ring structure of the underground track-bound mine car according to claim 2, characterized in that: The clamping assembly (420) comprises a plug pin (421) detachably arranged on the inner side wall of the vertical part of one of the clamping plates (412) for fixing and inserting the lifting ring buckle (102), the inner side wall of the vertical part of the other clamping plate (412) is detachably provided with a magnetic rod (422) matched with the plug pin (421), and the inner side walls of the horizontal parts of the two clamping plates (412) are provided with clamping grooves (423) for clamping and fixing the outer side wall of the plug-in ring buckle (101).
4. The pick-up and drop-off ring structure of the underground track-bound mine car according to claim 3, characterized in that: The plug pin (421) is an iron rod, and the axis of the plug pin (421) coincides with the axis of the magnetic rod (422).
5. The pick-up and drop-off ring structure of the track-bound mine car in the underground mine according to claim 4, characterized in that: The inside of the clamping groove (423) is provided with an anti-skid pad (424).
6. The pick-up and drop-off ring structure of the track-bound mine car in the underground mine according to claim 5, characterized in that: The mobile grabbing mechanism (300) is a girder crane.
7. The pick-up and drop-off ring structure of the track-bound mine car in the underground mine according to claim 6, characterized in that: The lower part of the mobile grabbing mechanism (300) is provided with a telescopic push rod, the telescopic push rod is an electric telescopic rod, and the upper part of the shell of the pneumatic finger (411) is fixedly arranged at the lower part of the output rod of the telescopic push rod.