Inclined support jack for mine car derailment and re-railing
By designing an inclined support jack for rerailing derailed mine cars, the problem of time-consuming, labor-intensive, and safety-hazardous derailment was solved, enabling rapid and safe rerailing and improving production safety and efficiency.
Patent Information
- Application Number
- CN202423202646.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-25
- Publication Date
- 2025-11-28
- Estimated Expiration
- 2034-12-25
AI Technical Summary
In existing technologies, using support pipes to prevent mine cars from derailing is time-consuming, labor-intensive, and poses safety hazards, especially when working in the confined space of underground roadways, where it can easily cause injury.
A jack for rerailing derailed mine cars has been designed, comprising a jack body, a support head, jack foot posts, and jack legs. It achieves rapid and effective rerailing of the car through hydraulic control, reducing manual operation and improving safety.
It enables rapid and safe rerailing of mine cars when they derail, reducing labor intensity, improving production safety, and preventing personal injury accidents.
Smart Images

Figure CN223606963U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to underground mine mechanical equipment tool technical field, especially is involved in a mine car derailment re-railing with inclined support jack. BACKGROUND
[0002] Electric locomotive transportation is the main transportation mode in underground metal mine exploitation, but the mine car derailment frequently occurs in the process of transporting ore, and it is very time-consuming and laborious to deal with the derailment, and there is a great safety hazard. At present, the main method for dealing with the derailment of underground mine is as follows: when the mine car derails, the electric locomotive is used to push the car, and the car is supported by the iron pipe to make the mine car on the track.
[0003] The existing technology has the following defects: 1. The car supporting iron pipe is relatively heavy and inconvenient to carry; 2. When supporting the car, mutual cooperation with the electric locomotive driver is required, and the electric locomotive and the derailed mine car are at a certain distance, which is easy to cause injury when pushing the car carelessly; when the car supporting iron pipe is supported or falls off, it is also easy to cause injury, especially in the limited space of the underground roadway, which has a great hidden danger and frequent minor and major personal injury accidents. SUMMARY
[0004] The utility model aims at providing a kind of fast and effective safe car supporting and re-railing device for derailment mine car, by hydraulic manual control, reach fast and effective car supporting and re-railing, simple operation, low labor intensity, ensure the safety of electric locomotive transportation.
[0005] The utility model aims at realizing by the following technical scheme:
[0006] The mine car derailment re-railing inclined support jack of the utility model is characterized by comprising jack main body, car supporting top head connected with the piston rod top head of the jack main body, jack foot pile firmly welded with the jack main body base plane, and jack supporting leg connected with the jack main body.
[0007] The car supporting top head is composed of end part and top head iron pipe, the end part is square wear-resistant manganese steel plate, the top head iron pipe is inserted with the piston rod top head, one end of the top head iron pipe is cut into bevel along the axial direction at 45 degree angle, and then firmly welded to the center of square face of end part to form car supporting top head.
[0008] The foot pile is composed of connecting body and foot pile iron pipe, the cylindrical base body of the connecting body is composed of pile clamping with bolt hole, the pile clamping is welded to the cylindrical base body to form connecting body, and the connecting body is welded to the foot pile iron pipe to form foot pile.
[0009] The jack supporting leg is mainly composed of clamping ring, clamping ring bolt, supporting leg, clamping ring folding page, supporting leg rotating shaft and supporting leg bearing,
[0010] The clamping ring is clamped on the jack body, two halves of the iron pipe are cut along the axial direction, the clamping ring fold is welded on one side of the two halves of the pipe along the axial direction, the other side is straightened in the opposite direction, bolt holes are drilled, and the clamping ring is connected through the bolt holes to form the clamping ring,
[0011] The supporting leg rotating shaft is symmetrically welded on the clamping ring, the supporting leg is welded to the supporting leg bearing, and the supporting leg bearing is fixed to the supporting leg rotating shaft through a screw cap.
[0012] The clamping ring is clamped on the jack body, two halves of the iron pipe are cut along the axial direction, the clamping ring fold is welded on one side of the two halves of the pipe along the axial direction, the other side is straightened in the opposite direction, bolt holes are drilled, and the clamping ring is connected through the bolt holes to form the clamping ring,
[0013] The clamping ring is clamped on the jack body, two halves of the iron pipe are cut along the axial direction, the clamping ring fold is welded on one side of the two halves of the pipe along the axial direction, the other side is straightened in the opposite direction, bolt holes are drilled, and the clamping ring is connected through the bolt holes to form the clamping ring, BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 The utility model discloses a structure schematic diagram.
[0015] Figure 2 The utility model discloses a structure schematic diagram of the car supporting head.
[0016] Figure 3 The utility model discloses a structure schematic diagram of the jack body.
[0017] Figure 4 The utility model discloses a structure schematic diagram of the jack foot pile.
[0018] Figure 5 The utility model discloses a structure schematic diagram of the connecting body.
[0019] Figure 6 The utility model discloses a structure schematic diagram of the jack foot pile.
[0020] Figure 7 The utility model discloses a structure schematic diagram of the jack foot pile. DETAILED DESCRIPTION
[0021] The utility model discloses a structure schematic diagram of the jack foot pile.
[0022] As Figures 1-7 The utility model discloses a structure schematic diagram of the jack foot pile.
[0023] The support car head 21 is composed of an end part 1 and a head iron pipe 2. The end part 1 is made of square wear-resistant manganese steel plate. The head iron pipe 2 is inserted into the piston rod head. One end of the head iron pipe 2 is cut into an inclined surface along the axial direction at an angle of 45 degrees, and then firmly welded to the center of the square surface of the end part 1 to form the support car head 21.
[0024] The foot prop 23 is composed of a connecting body 10 and a foot prop iron pipe 11. The connecting body 10 is composed of a cylindrical base body 9 and a clamping prop 7 with a bolt hole 8. The clamping prop 7 is welded to the cylindrical base body 9 to form the connecting body 10. The connecting body 10 is welded to the foot prop iron pipe 11 to form the foot prop 23.
[0025] The jack support leg 4 is mainly composed of a clamping ring 18, a clamping ring bolt 17, a support leg 14, a clamping ring hinge 16, a support leg rotating shaft 19, and a support leg bearing 15.
[0026] The clamping ring 18 is clamped on the jack main body 22. The clamping ring 18 is cut into two halves along the axial direction. One side of the two halves is welded to the clamping ring hinge 16 along the axial direction, and the other side is straightened in the opposite direction. A bolt hole is drilled, and the clamping ring bolt 17 is connected to form the clamping ring 18.
[0027] The support leg rotating shaft 19 is symmetrically welded on the clamping ring 18. The support leg 14 is welded to the support leg bearing 15. The support leg bearing 15 is installed on the support leg rotating shaft 19 and fixed by the screw cap 20. Embodiment
[0028] 1. First, make the support car head 21
[0029] The support car head 21 is composed of an end part 1 and a head iron pipe 2. The end part 1 is made of square wear-resistant manganese steel plate with a thickness of 35 mm and a side length of 200 mm, ensuring a large contact area with the mine car during support to ensure the safety of the support operation. The head iron pipe 2 has a wall thickness of 10 mm, an outer diameter of 100 mm, a length of 400 mm, and an inner diameter of 90 mm. It can be inserted into the piston rod head of the jack. One end of the head iron pipe 2 is cut into an inclined surface along the axial direction at an angle of 45 degrees, and then firmly welded to the center of the square surface of the end part 1, 100 mm away from the other end of the iron pipe 2. A bolt hole with a diameter of 20 mm is processed, and the support car head 21 is formed.
[0030] 2. Make the jack main body 22
[0031] The jack body 22 capable of ejecting 500mm long is made, the length of the jack body 22 is selected as 650mm, the diameter of the jack body 22 is taken as 100mm, the diameter of the head (or piston rod head) of the jack body 22 is taken as 85mm, which is smaller than the inner diameter of the iron pipe 2 of the jack head, and can be inserted into the iron pipe of the jack head 2, the bolt hole 3 is drilled at 30mm from the head of the jack, the hole diameter of the jack head bolt hole 3 is 20mm, which is consistent with the hole diameter of the bolt hole on the jack head 21, the two bolt hole seats 5 are firmly welded on the jack base plane, the hole diameter of the bolt hole is 20mm, which is used for cooperating with the bolt to fix the pile 23, so as to connect the pile 23.
[0032] 3, making the jack pile 23
[0033] The jack pile 23 is composed of the connecting body 10 and the pile iron pipe 11, the cylindrical base body 9 of the connecting body 10 and the clamping pile 7 with the bolt hole 8 are composed, the cylindrical base body 9 is cut from the iron plate with a thickness of 40mm, and the diameter is slightly larger than the diameter of the pile iron pipe 11 or equal to the diameter of the pile iron pipe 11. The size of the clamping pile 7 is measured according to the actual situation of the bolt hole seat 5 welded on the jack base, the bolt hole 8 of the clamping pile 7 is completely consistent with the bolt hole of the jack base 5, the hole diameter of the bolt hole of the jack base 5 is taken as 20mm, which can be inserted and connected by the bolt, in order to ensure that the clamping pile 7 is in close contact with the jack base 5, the clamping pile 7 is in the middle of the two bolt seats 5 at the same time, the two sides are welded with horizontal stops, so that the clamping pile 7 is in the shape of "I-shaped steel", which can withstand greater jacking force, the clamping pile 7 is welded to the cylindrical base body 9 to form the connecting body 10, and finally the connecting body 10 is welded to the pile iron pipe 11 to complete the pile making. The pile 23 is connected with the jack base 5 through the bolt 12 and the pile connecting body 13.
[0034] 4, making the jack leg 4
[0035] The jack leg 4 is composed of the clamping ring 18, the clamping ring bolt 17, the leg 14, the clamping ring hinge 16, the leg pivot 19, the leg bearing 15 and the like. The clamping ring 18 is clamped on the jack body, which can be cut from the existing iron pipe with an inner diameter of 140mm and a wall thickness of 30mm for 55mm long, cut into two halves along the axial direction, one side of the two halves is welded with the clamping ring hinge 16 along the axial direction, the other side is reversed and straightened, the bolt hole is drilled, and the clamping ring bolt 17 is connected to form the clamping ring 18. The leg pivot 19 is symmetrically welded on the clamping ring 18, the leg 14 is welded to the leg bearing 15, the leg bearing 15 is installed on the leg pivot 19, and the screw cap 20 is fixed. The included angle α between the two legs 14 is 27 degrees, the whole jack is 1800mm long, the leg is cut from the iron pipe with a diameter of 30mm, and the length is selected according to 1200mm.
[0036] 5, assembly
[0037] The made jack head 21 is inserted into the made jack body 22, fixed by bolts through the made bolt holes, the made jack foot pile 23 is clamped into the jack base bolt hole seat 5, aligned with the bolt holes and fixed by bolts, and the clamping ring of the made jack supporting leg 4 is clamped into the upper part of the jack body and the clamping ring bolt 17 is tightened.
[0038] 6、Application
[0039] When the mine car derails, the assembled derailment re-railing inclined support jack supports one end of the mine car derailment, the supporting leg 4 is supported, the jack is prevented from being damaged due to sliding, the handle 6 is manually operated, the jack is upwardly jacked to lift the mine car wheels to the upper rail, then the jack is pressure-released, and the operation is completed.
[0040] The utility model has the advantages of simple operation, safety and reliability, and avoids various accidents of handling the derailed car.
Claims
1. A diagonal support jack for derailing and regauging a mine car, characterized by, The jack includes a jack body, a car supporting head connected with a piston rod head of the jack body, a jack foot pile firmly welded with a base plane of the jack body, and a jack supporting leg connected with the jack body.
2. The inclined support jack for derailment and regauging of mine cars according to claim 1, characterized in that, The car supporting head is composed of an end part and a head iron pipe, the end part is a square wear-resistant manganese steel plate, the head iron pipe is inserted with the piston rod head, and one end of the head iron pipe is cut into an inclined surface along an axial direction at an angle of 45 degrees, and then firmly welded to the center of the square surface of the end part to form the car supporting head.
3. The inclined support jack for derailment and regauging of mine cars according to claim 1, characterized in that, The foot pile is composed of a connecting body and a foot pile iron pipe, the connecting body is composed of a cylindrical base body and a pile clamp with bolt holes, the pile clamp is welded to the cylindrical base body to form the connecting body, and the connecting body is welded to the foot pile iron pipe to form the foot pile.
4. The inclined support jack for derailment and regauging of mine cars according to claim 1, characterized in that, The jack supporting leg is mainly composed of a clamping ring, a clamping ring bolt, a supporting leg, a clamping ring hinge, a supporting leg rotating shaft, and a supporting leg bearing, The clamping ring is clamped on the jack body, the iron pipe is cut into two halves along the axial direction, one side of the two halves is welded with the clamping ring hinge along the axial direction, the other side is straightened in the opposite direction, bolt holes are drilled, the clamping ring bolt is used for connection, and the clamping ring is formed, The supporting leg rotating shaft is symmetrically welded on the clamping ring, the supporting leg is welded to the supporting leg bearing, the supporting leg bearing is installed on the supporting leg rotating shaft, and a screw cap is used for fixation.