Flexible unhooking device for train
By designing a flexible unhooking device for trains and using a reciprocating motor to drive a combination of elastic ropes and rigid ropes, stable movement of the manual unhooking operating rod is achieved, solving the problems of the device being easily damaged and lacking safety in harsh environments, and improving the service life and safety of the device.
Patent Information
- Application Number
- CN202423123650.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-18
- Publication Date
- 2025-10-10
- Estimated Expiration
- 2034-12-18
AI Technical Summary
Existing train uncoupling devices are easily damaged in harsh environments, have difficulty balancing manual and automatic uncoupling operations, and are not sufficiently safe.
A flexible unhooking device for trains was designed, which includes a rotating unit and an unhooking unit. A reciprocating motor drives a combination of elastic rope and rigid rope to achieve stable reciprocating motion of the manual unhooking operating rod. Multiple bearings are used to reduce the impact of dust, thereby enhancing the life and safety of the device.
The service life and safety of the hook removal device are improved, the convenience of manual and automatic operation is taken into account, and the probability of device damage is reduced.
Smart Images

Figure CN223420720U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of hook removing devices, in particular to a flexible hook removing device for trains. Background Art
[0002] Currently, unhooking hump cars at my country's railway freight marshaling yards is mostly done manually. The unhooker must follow the hump route, holding the freight bill in one hand while unhooking the moving car with the other. After a period of hook protection, unhooking is completed and the process is recorded. Manual unhooking is difficult and unsafe, leading to a high risk of accidents. More importantly, the unhooking process relies entirely on the unhooker's instincts, making it easy to make mistakes or miss hooks.
[0003] After searching the publication (announcement) number: CN222116793U, an automatic uncoupling device for a train flatbed car is disclosed, which relates to the technical field of automatic uncoupling devices, including a bearing seat 1 arranged on one side of a box body, a bearing 1 arranged in the middle of the bearing seat 1, a camshaft arranged inside the bearing 1, and a cam fixedly connected to the camshaft and extending to one end inside the box body; the box body is provided with a slide rail, a slider 1 arranged on one side inside the slide rail, a roller arranged on one side of the slider 1, a slider 2 arranged on the other side inside the slide rail, and a spring fixedly connected to the bottom end of one side of the slider 2; one end of the box body is provided with a movable hole, a bearing seat 2 arranged inside the movable hole, a spline shaft arranged in the middle of the bearing seat 2, a universal shaft fixedly connected to one end of the spline shaft, and a rack arranged at the bottom end of the spline shaft. The utility model is an automatic uncoupling device for a train flatbed car, which does not require manual uncoupling by staff and improves uncoupling efficiency.
[0004] Although the above solution does not require manual unhooking by staff and improves the unhooking efficiency, due to the harsh working environment and heavy dust, the unhooking device is easily damaged, making it difficult to balance the operations of manual unhooking and automatic unhooking, and the safety of manual unhooking also needs to be improved. Utility Model Content
[0005] The main purpose of the utility model is to provide a flexible unhooking device for trains to solve the problem that the unhooking device is easily damaged due to the harsh working environment and heavy dust, and it is difficult to take into account both manual unhooking and automatic unhooking operations, and the safety of manual unhooking also needs to be improved.
[0006] To achieve the above objectives, the present invention provides the following technical solutions:
[0007] A flexible hook-removing device for a train comprises an operating box, a rotating unit arranged on one side of the operating box, and a hook-removing unit arranged at the bottom end of the rotating unit.
[0008] The rotating unit comprises a reciprocating motor arranged in the operation box, a rotating shaft fixedly connected to one end of the reciprocating motor, a curved arm fixedly connected to the outer side of the rotating shaft, and a plurality of through holes arranged in the curved arm.
[0009] The hooking unit comprises an elastic rope arranged at the bottom end of the curved arm, a rigid rope arranged at one side of the elastic rope, an auxiliary device arranged at the middle part of the rigid rope, and a linkage assembly arranged at the bottom end of the elastic rope and the rigid rope.
[0010] Preferably, the rotating unit further comprises a lifting ring arranged in the corresponding through hole, and the lifting ring is fixedly connected with the corresponding elastic rope and rigid rope.
[0011] Preferably, the linkage assembly in the hooking unit comprises a manual hooking operation rod fixedly connected to the bottom end of the elastic rope, a rotating arm fixedly connected to the bottom end of the rigid rope, and a clamping hole arranged in the rotating arm.
[0012] Preferably, the middle part of the manual hooking operation rod in the hooking unit is clamped with the clamping hole.
[0013] Preferably, the linkage assembly in the hooking unit further comprises a fixing seat arranged at one side of the manual hooking operation rod, a limiting plate fixedly connected to the front face of the fixing seat, a rectangular hole arranged in the limiting plate, and a circular hole communicated with the top end of the rectangular hole.
[0014] Preferably, the manual hooking operation rod in the hooking unit is arranged in matching with the rectangular hole and the circular hole.
[0015] Preferably, a plurality of bearings are arranged on the side face of the rectangular hole.
[0016] Compared with the prior art, the utility model has the following beneficial effects:
[0017] Firstly, in the utility model, the reciprocating motor drives the elastic rope and the rigid rope to rotate, the elastic rope is elongated, thereby providing upward pulling force for the manual hooking operation rod, the rigid rope drives the rotating arm to rotate, thereby driving the manual hooking operation rod to reciprocate up and down in the rectangular hole and the circular hole, and the plurality of bearings are arranged, so that the manual hooking operation rod can be smoothly pulled into the circular hole to complete rotation when automatically operated, thereby effectively reducing the influence of dust on the operation box and the manual hooking operation rod, and improving the service life of the hooking device.
[0018] 2. In the present invention, the elastic rope and the rigid rope are set to doubly ensure the stability of the reciprocating motion of the manual hook removing operating rod, thereby preventing the manual hook removing operating rod from falling. At the same time, if the hook removing device needs assistance, the setting of the manual hook removing operating rod itself is convenient for the user to assist in the hook removing work at a long distance, thereby improving the safety performance. At the same time, the manual and automatic hook removing operations are taken into account without interfering with each other. At the same time, the upward movement of the flexible hook removing device effectively reduces the probability of damage. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 It is a front view of the utility model;
[0020] Figure 2 It is a cross-sectional view of the utility model;
[0021] Figure 3 It is a cross-sectional view of the operating box in the present utility model;
[0022] Figure 4 It is a cross-sectional view of the fixing seat and the limiting plate in the present utility model.
[0023] In the picture:
[0024] 1. Operation box; 2. Rotating shaft; 3. Crank arm; 4. Through hole; 5. Auxiliary device; 6. Snap-in hole; 7. Rigid rope; 8. Elastic rope; 9. Rotating arm; 10. Manual hook-removing operating lever; 11. Fixed seat; 12. Limit plate; 13. Lifting ring; 14. Reciprocating motor; 15. Rectangular hole; 16. Circular hole. DETAILED DESCRIPTION
[0025] In order to make the technical means, creative features, objectives and effects achieved by the present invention easier to understand, the present invention is further described below in conjunction with specific implementation methods. Example 1
[0026] like Figure 1 、 Figure 2 、 Figure 3 as well as Figure 4 As shown, a flexible hook-removing device for a train includes an operating box 1, a rotating unit provided on one side of the operating box 1, and a hook-removing unit provided at the bottom end of the rotating unit;
[0027] The rotating unit includes a reciprocating motor 14 disposed inside the operating box 1, a rotating shaft 2 fixedly connected to one end of the reciprocating motor 14, a crank arm 3 fixedly connected to the outside of the rotating shaft 2, and a plurality of through holes 4 opened inside the crank arm 3;
[0028] The hook removing unit includes an elastic rope 8 arranged at the bottom end of the curved arm 3, a rigid rope 7 arranged on one side of the elastic rope 8, an auxiliary device 5 arranged in the middle of the rigid rope 7, and a linkage assembly arranged at the bottom ends of the elastic rope 8 and the rigid rope 7.
[0029] The rotating unit further includes a hanging ring 13 disposed inside the corresponding through hole 4 , and the hanging ring 13 is fixedly connected to the corresponding elastic rope 8 and rigid rope 7 .
[0030] The linkage assembly in the hook removing unit includes a manual hook removing operating lever 10 fixedly connected to the bottom end of the elastic rope 8, a rotating arm 9 fixedly connected to the bottom end of the rigid rope 7, and a clamping hole 6 opened inside the rotating arm 9.
[0031] The middle portion of the manual hook-removing operating rod 10 in the hook-removing unit is engaged with the engaging hole 6 .
[0032] The linkage assembly in the unhooking unit also includes a fixed seat 11 arranged on one side of the manual unhooking operating rod 10, a limiting plate 12 fixedly connected to the front of the fixed seat 11, a rectangular hole 15 opened inside the limiting plate 12, and a circular hole 16 connected to the top of the rectangular hole 15.
[0033] The manual hook-removing operating rod 10 in the hook-removing unit is matched with the rectangular hole 15 and the circular hole 16 .
[0034] A plurality of bearings are provided on the side surfaces of the rectangular hole 15 .
[0035] The reciprocating motor 14 is started to drive the elastic rope 8 and the rigid rope 7 to rotate, and the elastic rope 8 is stretched, thereby applying an upward pulling force to the manual hook-removing operating rod 10. At the same time, the rigid rope 7 drives the rotating arm 9 to rotate, thereby driving the manual hook-removing operating rod 10 to reciprocate up and down inside the rectangular hole 15 and the circular hole 16. The setting of multiple bearings facilitates the manual hook-removing operating rod 10 to be smoothly pulled into the circular hole 16 to complete the rotation when it is automatically operated. This effectively reduces the impact of dust on the operating box 1 and the manual hook-removing operating rod 10, and improves the service life of the hook-removing device. Example 2
[0036] like Figure 1 、 Figure 2 、 Figure 3 as well as Figure 4 As shown, a flexible hook-removing device for a train includes an operating box 1, a rotating unit provided on one side of the operating box 1, and a hook-removing unit provided at the bottom end of the rotating unit;
[0037] The rotating unit includes a reciprocating motor 14 disposed inside the operating box 1, a rotating shaft 2 fixedly connected to one end of the reciprocating motor 14, a crank arm 3 fixedly connected to the outside of the rotating shaft 2, and a plurality of through holes 4 opened inside the crank arm 3;
[0038] The hook removing unit includes an elastic rope 8 arranged at the bottom end of the curved arm 3, a rigid rope 7 arranged on one side of the elastic rope 8, an auxiliary device 5 arranged in the middle of the rigid rope 7, and a linkage assembly arranged at the bottom ends of the elastic rope 8 and the rigid rope 7.
[0039] The rotating unit further includes a hanging ring 13 disposed inside the corresponding through hole 4 , and the hanging ring 13 is fixedly connected to the corresponding elastic rope 8 and rigid rope 7 .
[0040] The linkage assembly in the hook removing unit includes a manual hook removing operating lever 10 fixedly connected to the bottom end of the elastic rope 8, a rotating arm 9 fixedly connected to the bottom end of the rigid rope 7, and a clamping hole 6 opened inside the rotating arm 9.
[0041] The middle portion of the manual hook-removing operating rod 10 in the hook-removing unit is engaged with the engaging hole 6 .
[0042] The linkage assembly in the unhooking unit also includes a fixed seat 11 arranged on one side of the manual unhooking operating rod 10, a limiting plate 12 fixedly connected to the front of the fixed seat 11, a rectangular hole 15 opened inside the limiting plate 12, and a circular hole 16 connected to the top of the rectangular hole 15.
[0043] The manual hook-removing operating rod 10 in the hook-removing unit is matched with the rectangular hole 15 and the circular hole 16 .
[0044] A plurality of bearings are provided on the side surfaces of the rectangular hole 15 .
[0045] The stability of the reciprocating motion of the manual unhooking operating rod 10 is doubly guaranteed to prevent the manual unhooking operating rod 10 from falling. At the same time, if the unhooking device needs assistance, the setting of the manual unhooking operating rod 10 itself is convenient for the user to assist in unhooking at a long distance, thereby improving safety performance. At the same time, the manual and automatic unhooking operations are taken into account without interfering with each other. At the same time, the upward movement of the flexible unhooking device effectively reduces the probability of damage.
[0046] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention. Such changes and improvements are intended to fall within the scope of the present invention. The scope of protection claimed in this invention is defined by the appended claims and their equivalents.
Claims
1. A flexible unhooking device for a train, comprising an operating box (1), characterized in that: It also includes a rotating unit arranged on one side of the operating box (1), and a hook removing unit arranged at the bottom end of the rotating unit; The rotating unit comprises a reciprocating motor (14) disposed inside the operating box (1), a rotating shaft (2) fixedly connected to one end of the reciprocating motor (14), a crank arm (3) fixedly connected to the outside of the rotating shaft (2), and a plurality of through holes (4) provided inside the crank arm (3); The hook-removing unit comprises an elastic rope (8) arranged at the bottom end of the curved arm (3), a rigid rope (7) arranged at one side of the elastic rope (8), an auxiliary device (5) arranged in the middle of the rigid rope (7), and a linkage assembly arranged at the bottom ends of the elastic rope (8) and the rigid rope (7).
2. A flexible hook-removing device for trains according to claim 1, characterized in that: The rotating unit further comprises a hanging ring (13) arranged inside the corresponding through hole (4), and the hanging ring (13) is fixedly connected to the corresponding elastic rope (8) and the rigid rope (7).
3. A flexible hook-removing device for trains according to claim 2, characterized in that: The linkage assembly in the hook-removing unit comprises a manual hook-removing operating lever (10) fixedly connected to the bottom end of the elastic rope (8), a rotating arm (9) fixedly connected to the bottom end of the rigid rope (7), and a clamping hole (6) opened inside the rotating arm (9).
4. A flexible hook-removing device for trains according to claim 3, characterized in that: The middle portion of the manual hook-removing operating rod (10) in the hook-removing unit is engaged with the engaging hole (6).
5. The flexible hook-removing device for trains according to claim 4, characterized in that: The linkage assembly in the hook-removing unit further includes a fixing seat (11) arranged on one side of the manual hook-removing operating rod (10), a limiting plate (12) fixedly connected to the front of the fixing seat (11), a rectangular hole (15) opened inside the limiting plate (12), and a circular hole (16) connected to the top of the rectangular hole (15).
6. The flexible hook-removing device for trains according to claim 5, characterized in that: The manual hook-removing operating rod (10) in the hook-removing unit is matched with the rectangular hole (15) and the circular hole (16).
7. The flexible hook-removing device for trains according to claim 6, characterized in that: A plurality of bearings are provided on the side of the rectangular hole (15).
Citation Information
Patent Citations
Automatic unhooking device for train flat car
CN222116793U