Steel rail-to-rail balance lifting device for narrow-space thermit welding

Abstract

The utility model discloses a steel rail alignment balance lifting device for narrow space thermit welding, which comprises a base, a lifting mechanism is arranged on the base, and the lifting mechanism comprises a rocker, a driving wheel, a transmission shaft, a second bevel gear, a lifting rod, a workbench and a first bevel gear; a fixing device is arranged on the mounting seat, and the fixing device comprises an upper arm rod, a lower arm rod, a supporting rod, a fixing hole, a fixing rod, a fixing block, a threaded rod, a positioning block, a positioning hole, a positioning rod and a suction cup. By means of the device, through cooperation of the transmission shaft, the first bevel gear, the second bevel gear and the rocker, the workbench can ascend and descend at the same time, rail alignment is prevented from being affected, through cooperation of the positioning rod, the suction cup, the fixing block, the threaded rod and the fixing rod, the threaded rod supports the lower arm rod and prevents the lower arm rod from moving, the suction cup better fixes the lower arm rod, and the multiple positioning holes and the multiple fixing holes are formed; and steel rails with various sizes can be conveniently adapted.

Description

Technical Field

[0001] The utility model relates to the technical field of track construction, in particular to a rail-to-rail balancing lifting device for narrow space aluminum thermite welding. Background Art

[0002] Existing track construction technology mostly uses clamping rails to balance the tracks. However, this method is easy to shift during use, causing safety hazards. For example, a Chinese patent discloses a "track welding docking device" with the application number "CN202320141034.7". It generally adjusts the center of the track to align it, and then twists the transverse top screw to clamp the track from both sides. Compared with the conventional pad iron, it limits the track along the lateral direction and can improve the lateral accuracy of the track docking. However, its structure is simple. When aligning the track, it is easy to cause imbalance and unevenness, which affects the quality of the track. Utility Model Content

[0003] The utility model aims to solve at least one of the technical problems existing in the prior art, and provides a rail-to-rail balancing lifting device for aluminum thermal welding in a narrow space. Through the cooperation of a transmission shaft, a first bevel gear, a driving wheel, a second driven wheel, a first driven wheel, a second bevel gear and a rocker, when the rocker rotates, the driving wheel can drive the second driven wheel and the first driven wheel to rotate, and the transmission shaft is driven by the first bevel gear and the second bevel gear to cause the lifting of other lifting rods, so that the four lifting rods can be lifted and lowered at the same time, ensuring the flatness during lifting and preventing the occurrence of The lifting and lowering are not synchronized, which affects the balancing effect on the rail. Through the coordination of the positioning block, positioning rod, suction cup, fixed block, threaded rod, fixed rod, positioning hole and fixed hole, when the hook hooks the rail, the upper arm and the lower arm are fixed by the positioning rod and the positioning block, the suction cup sucks the upper arm and the lower arm to prevent slipping, the fixing block, threaded rod and fixed rod cooperate, the threaded rod controls the position of the upper arm and the lower arm to prevent the hook from moving, the fixing block and the fixed rod fix it, and finally the rail is completely fixed for easy rail alignment. Through the positioning hole and the fixing hole, it is convenient to adjust according to the size of the rail.

[0004] The utility model also provides the above-mentioned narrow space aluminum thermite welding rail-to-rail balancing lifting device, comprising: a base, a rocker is arranged on the base, the number of the bases is four, the output end of the rocker is fixedly connected with a driving wheel, a transmission shaft is arranged inside the base, the number of the transmission shafts is three, a first driven wheel, a second driven wheel and a second bevel gear are arranged on the transmission shaft, the first driven wheel, the second driven wheel and the second bevel gear are all inside the base, the first driven wheel is meshed and connected with the driving wheel, the first driven wheel drives the transmission shaft, the second driven wheel and the second bevel gear to rotate by rotation, a lifting rod is arranged on the base, the other end of the lifting rod is fixedly connected with a workbench, the second driven wheel is meshed and connected with the lifting rod, The other end of the transmission shaft is provided with a third driven wheel and a first bevel gear, and the first bevel gear and the second bevel gear are respectively meshed with the other two transmission shafts; two mounting seats are fixedly connected to the lower surface of the workbench, and two upper arm rods are provided on each of the mounting seats, and a lower arm rod is provided at the other end of the upper arm rod, and a support rod is fixedly connected to the lower surface of the workbench, and a fixing hole is provided on the support rod, and a fixing rod is provided on the fixing hole, and one end of the fixing rod is detachably connected to a fixing block, and a threaded rod is provided on the fixing block, and one end of the threaded rod is detachably connected to a positioning block, and a positioning hole is provided on the side of the positioning block, and a positioning rod is provided on the positioning hole, and a suction cup is provided at the other end of the positioning rod, and the positioning blocks are located on both sides of the lower arm rod. Through the above device, through the cooperation of the transmission shaft, the first bevel gear, the second bevel gear and the rocker, the workbench can be raised and lowered at the same time, and the lifting progress is equal to prevent imbalance from affecting the rail. Through the cooperation of the positioning rod, the suction cup, the fixing block, the threaded rod, the fixing rod, the positioning hole and the fixing hole, the threaded rod supports the upper arm and the lower arm by rotation, and the positioning rod fixes the lower arm to prevent movement, so that the hook will not shake when hanging on the rail and can be better fixed. A plurality of positioning holes and fixing holes are provided to facilitate the change of position and adapt to rails of various sizes.

[0005] According to the utility model of a rail-to-rail balanced lifting device for narrow space aluminum thermite welding, the number of the third driven wheels is three, and the number of the lifting rods is four. Through the above device, the driven wheels and the lifting rods can conveniently meet the simultaneous lifting of the workbench.

[0006] According to the utility model of a rail-to-rail balanced lifting device for narrow space aluminum thermite welding, the transmission shaft is fixedly connected to two bases, and the two ends of the transmission shaft are located inside the bases. Through the above device, power can be transmitted through the transmission shaft so that other positions can also have power.

[0007] According to the utility model, a rail-to-rail balanced lifting device for narrow space thermite welding is provided on the workbench with a crucible opening, which is located in the middle of the workbench. Through the above device, the crucible is effectively installed through the crucible opening, which is convenient for thermite welding.

[0008] According to the utility model of a rail-to-rail balanced lifting device for narrow space aluminum thermite welding, the third driven wheel and the first bevel gear are both located inside the base, and the three third driven wheels are respectively meshed and connected with the other three lifting rods. Through the above device, the third driven wheel cooperates with the lifting rod to facilitate simultaneous lifting and prevent misalignment.

[0009] According to the utility model, a rail-to-rail balanced lifting device for narrow space aluminum thermite welding is provided with a rotating shaft on the upper arm and the lower arm, and a rotating rod is provided on the positioning rod, the threaded rod and the fixed rod. Through the above device, the upper arm and the lower arm can be adjusted according to the size of the rail through the rotating shaft, which is simple and convenient.

[0010] According to the utility model of a rail-to-rail balanced lifting device for narrow space aluminum thermite welding, the fixing block is located in the middle of the fixing rod, and the number of the fixing rods is two. Through the above device, the arm rod can be better fixed by the fixing block to prevent shaking.

[0011] According to the utility model, a rail-to-rail balanced lifting device for narrow space aluminum thermite welding is provided with a hook at the bottom of the lower arm, and the hook is opposite to the hook on the other lower arm. Through the above device, the rail can be hooked by two hooks to prevent sliding.

[0012] Beneficial Effects

[0013] 1. Compared with the prior art, the rail-to-rail balancing lifting device for aluminum thermal welding in a narrow space, through the cooperation of the transmission shaft, the first bevel gear, the driving wheel, the second driven wheel, the first driven wheel, the second bevel gear and the rocker, can make the driving wheel drive the second driven wheel and the first driven wheel to rotate when the rocker rotates, and the transmission shaft is driven by the first bevel gear and the second bevel gear, causing the lifting of other lifting rods, so that the four lifting rods can be lifted and lowered at the same time, ensuring the flatness during lifting and lowering, preventing the lifting and lowering from being asynchronous, and affecting the rail balancing effect.

[0014] 2. Compared with the prior art, the rail-to-rail balancing lifting device for narrow space aluminum thermite welding, through the cooperation of the positioning block, the positioning rod, the suction cup, the fixing block, the threaded rod, the fixing rod, the positioning hole and the fixing hole, when the hook is hooked on the rail, the upper arm and the lower arm are fixed by the positioning rod and the positioning block, the suction cup sucks the upper arm and the lower arm to prevent slipping, the fixing block, the threaded rod and the fixing rod cooperate, the threaded rod controls the position of the upper arm and the lower arm to prevent the hook from moving, the fixing block and the fixing rod fix, and finally the rail is completely fixed, which is convenient for rail alignment, and through the positioning hole and the fixing hole, it is convenient to adjust according to the size of the rail. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0016] Figure 1 This is a front view of the rail-to-rail balancing lifting device for narrow space aluminum thermite welding of the utility model;

[0017] Figure 2 The utility model is a rail-to-rail balancing lifting device for narrow space aluminum heat welding Figure 1 Middle vertical section view;

[0018] Figure 3 The utility model is a rail-to-rail balancing lifting device for narrow space aluminum heat welding. Figure 2 Enlarged view of point A in the middle;

[0019] Figure 4 The utility model is a rail-to-rail balancing lifting device for narrow space aluminum heat welding. Figure 2 Enlarged view of point B in the middle;

[0020] Figure 5 The utility model is a rail-to-rail balancing lifting device for narrow space aluminum heat welding. Figure 2 Enlarged view of point C in the middle.

[0021] Legend:

[0022] 1. Base; 2. Rocker; 3. Driving wheel; 4. First driven wheel; 5. Second driven wheel; 6. Lifting rod; 7. Transmission shaft; 8. Third driven wheel; 9. First bevel gear; 10. Second bevel gear; 11. Workbench; 12. Mounting seat; 13. Upper arm; 14. Lower arm; 15. Positioning block; 16. Positioning rod; 17. Suction cup; 18. Hook; 19. Threaded rod; 20. Fixing block; 21. Fixing rod; 22. Positioning hole; 23. Fixing hole; 24. Support rod; 25. Crucible mouth. DETAILED DESCRIPTION

[0023] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0024] Reference Figure 1-5 The utility model embodiment is a rail-to-rail balancing lifting device for aluminum thermal welding in a narrow space, which includes: a base 1, a rocker 2 is arranged on the base 1, and the base 1 is rotated. The number of bases 1 is four, and the output end of the rocker 2 is fixedly connected to a driving wheel 3 to drive other gears to rotate. A transmission shaft 7 is arranged inside the base 1 to transmit power. The transmission shaft 7 is fixedly connected to the two bases 1, and the two ends of the transmission shaft 7 are located inside the base 1. The number of transmission shafts 7 is three, and a first driven wheel 4, a second driven wheel 5 and a second bevel gear 10 are arranged on the transmission shaft 7. The first driven wheel 4, the second driven wheel 5 and the second bevel gear 10 are all inside the base 1. The first driven wheel 4 is meshed and connected with the driving wheel 3 to ensure rotation and prevent derailment. The first driven wheel 4 drives the transmission shaft by rotating 7. The second driven wheel 5 rotates with the second bevel gear 10, and a lifting rod 6 is provided on the base 1. The number of the lifting rods 6 is four, and the lifting is performed. The other end of the lifting rod 6 is fixedly connected with the workbench 11, and a crucible port 25 is provided on the workbench 11. The crucible port 25 is located in the middle of the workbench 11 to prevent the crucible. The second driven wheel 5 is meshed with the lifting rod 6, and the other end of the transmission shaft 7 is provided with a third driven wheel 8 and a first bevel gear 9. The number of the third driven wheels 8 is three, and the first bevel gear 9 and the second bevel gear 10 are respectively meshed with the other two transmission shafts 7 to ensure smooth connection. The third driven wheel 8 and the first bevel gear 9 are both located inside the base 1, and the three third driven wheels 8 are respectively meshed with the remaining three lifting rods 6 to ensure that they can be lifted and lowered at the same time.

[0025] The lower surface of the workbench 11 is fixedly connected to two mounting seats 12, and each mounting seat 12 is provided with two upper arm rods 13. The other end of the upper arm rod 13 is provided with a lower arm rod 14, and the bottom of the lower arm rod 14 is provided with a hook 18 to hang the rail. The hook 18 is in the direction of the hook 18 on the other lower arm rod 14 to prevent the rail from moving. The upper arm rod 13 and the lower arm rod 14 are both provided with a rotating shaft to meet the rotation. The lower surface of the workbench 11 is fixedly connected to a support rod 24, and a fixing hole 23 is provided on the support rod 24 for displacement. A fixing rod 21 is provided on the fixing hole 23, and the fixing rod 21 A fixing block 20 is detachably connected to one end for fixing. The fixing block 20 is located in the middle of a fixing rod 21. There are two fixing rods 21. A threaded rod 19 is provided on the fixing block 20 for fixing. A positioning block 15 is detachably connected to one end of the threaded rod 19. A positioning hole 22 is provided on the side of the positioning block 15. A positioning rod 16 is provided on the positioning hole 22. A suction cup 17 is provided at the other end of the positioning rod 16 to suck the upper arm rod 13 and the lower arm rod 14. The positioning block 15 is located on both sides of the lower arm rod 14. Rotating rods are provided on the positioning rod 16, the threaded rod 19 and the fixing rod 21 for easy fastening.

[0026] Working principle: When in use, place the rail on the hook 18, use the positioning block 15, rotate the positioning rod 16, fix the lower arm 14 through the suction cup 17, and then rotate the threaded rod 19, position the fixing block 20 on the fixing hole 23, rotate the fixing rod 21 to fix the fixing block 20, rotate the rocker 2, and transmit through the transmission shafts 7 to make the workbench 11 rise and fall. During lifting and lowering, due to gravity, the lower arm 14 and the upper arm 13 are straightened to facilitate lifting and lowering.

[0027] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of ordinary technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. A rail-to-rail balancing lifting device for narrow space aluminum thermite welding, characterized in that: include: A base (1), wherein a rocker (2) is arranged on the base (1), the number of the bases (1) is four, the output end of the rocker (2) is fixedly connected to a driving wheel (3), a transmission shaft (7) is arranged inside the base (1), the number of the transmission shafts (7) is three, a first driven wheel (4), a second driven wheel (5) and a second bevel gear (10) are arranged on the transmission shaft (7), the first driven wheel (4), the second driven wheel (5) and the second bevel gear (10) are all inside the base (1), the first driven wheel (4) and the driving wheel (3) meshing connection, the first driven wheel (4) drives the transmission shaft (7), the second driven wheel (5) and the second bevel gear (10) to rotate by rotation, a lifting rod (6) is provided on the base (1), the other end of the lifting rod (6) is fixedly connected to the workbench (11), the second driven wheel (5) is meshingly connected with the lifting rod (6), the other end of the transmission shaft (7) is provided with a third driven wheel (8) and a first bevel gear (9), and the first bevel gear (9) and the second bevel gear (10) are respectively meshingly connected with the other two transmission shafts (7); The lower surface of the workbench (11) is fixedly connected to two mounting seats (12), each mounting seat (12) is provided with two upper arm rods (13), the other end of the upper arm rod (13) is provided with a lower arm rod (14), the lower surface of the workbench (11) is fixedly connected to a support rod (24), the support rod (24) is provided with a fixing hole (23), the fixing hole (23) is provided with a fixing rod (21), one end of the fixing rod (21) is detachably connected to a fixing block (20), the fixing block (20) is provided with a threaded rod (19), one end of the threaded rod (19) is detachably connected to a positioning block (15), a positioning hole (22) is provided on the side of the positioning block (15), a positioning rod (16) is provided on the positioning hole (22), the other end of the positioning rod (16) is provided with a suction cup (17), and the positioning block (15) is located on both sides of the lower arm rod (14).

2. The rail-to-rail balancing lifting device for narrow space thermite welding according to claim 1 is characterized in that: The number of the third driven wheels (8) is three, and the number of the lifting rods (6) is four.

3. The rail-to-rail balancing lifting device for narrow space thermite welding according to claim 1 is characterized in that: The transmission shaft (7) is fixedly connected to the two bases (1), and the two ends of the transmission shaft (7) are located inside the bases (1).

4. The rail-to-rail balancing lifting device for narrow space thermite welding according to claim 1 is characterized in that: The workbench (11) is provided with a crucible opening (25), and the crucible opening (25) is located in the middle of the workbench (11).

5. The rail-to-rail balancing lifting device for narrow space thermite welding according to claim 1 is characterized in that: The third driven wheel (8) and the first bevel gear (9) are both located inside the base (1), and the three third driven wheels (8) are meshedly connected with the remaining three lifting rods (6).

6. The rail-to-rail balancing lifting device for narrow space thermite welding according to claim 1 is characterized in that: The upper arm (13) and the lower arm (14) are both provided with a rotating shaft, and the positioning rod (16), the threaded rod (19) and the fixed rod (21) are all provided with a rotating rod.

7. The rail-to-rail balancing lifting device for narrow space thermite welding according to claim 1, characterized in that: The fixing block (20) is located in the middle of the fixing rod (21), and the number of the fixing rods (21) is two.

8. The rail-to-rail balancing lifting device for narrow space thermite welding according to claim 1 is characterized in that: A hook (18) is provided at the bottom of the lower arm (14), and the hook (18) faces the hook (18) on the other lower arm (14).

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