Hoisting equipment for steel rail replacement

By designing a rail replacement hoisting device that includes a crossbeam, sliding sleeve, support column, hoisting assembly, and counterweight assembly, the problems of long time consumption and safety hazards in traditional rail replacement are solved, and efficient and safe rail replacement operations are achieved.

CN223752232UActive Publication Date: 2026-01-02NORTHERN RAIL TRANSIT RAIL TECH (LIAONING) CO LTD
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Patent Information

Application Number
CN202520189178.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-07
Publication Date
2026-01-02
Estimated Expiration
2035-02-07

AI Technical Summary

Technical Problem

Traditional rail replacement operations are time-consuming, require a large amount of manpower, and pose safety hazards. Existing equipment lacks flexibility and efficiency.

Method used

A rail replacement hoisting device was designed, comprising a crossbeam, a sliding sleeve, a support column, a hoisting assembly, and a counterweight assembly. The crossbeam is fixed by the support column, and the stable hoisting and movement of the rail is achieved by the hoisting assembly and the counterweight assembly. The counterweight assembly maintains the stability of the device by using a threaded structure driven by a servo motor.

Benefits of technology

It improved the efficiency of rail replacement, reduced operational downtime, and enhanced the ease of operation and safety of the equipment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses hoisting equipment for replacing a steel rail, which belongs to the technical field of rail transit and comprises a cross beam, sliding sleeves are fixedly mounted at two ends of the cross beam, supporting columns are mounted on the inner walls of the sliding sleeves in a sliding manner, and a hoisting component is arranged on the upper surface of the cross beam; according to the lifting device, the lifting assembly is arranged, one end of the locking wrench is inserted into the locking hole, so that the cross beam is fixed to the proper position of the supporting column, then the steel rope on the steel rail is connected with the lifting gripper, the lifting gripper is connected with the rack through the connecting hinge, and then a handle of the fixing lock is rotated; at the moment, the gear is driven by the lock shaft to rotate, along with rotation of the gear, the rack can drive the hoisting gripper to move upwards through the connecting hinge, and therefore the steel rail is hoisted, the bearing performance of hoisting equipment is reflected, the advantages of being convenient and fast to operate and long in service life are achieved, the rail replacing efficiency is further improved, and the situation of operation interruption caused by rail replacing is reduced.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to rail transit technical field especially relates to a hoisting equipment for rail replacement. BACKGROUND

[0002] Rail transit refers to a kind of traffic tool or transport system that operating vehicle needs to travel on specific track, and rail transit has the advantages of large transport capacity, high speed, dense class, safe and comfortable, high punctuality, all-weather, low freight and energy saving and environmental protection, however, it is often accompanied by high initial investment, technical requirements and maintenance costs, and occupies larger space, and steel rails need to be repaired or replaced in the daily use of rail transit.

[0003] In the maintenance process of rail transit, the traditional rail replacement operation often takes a long time and needs a large amount of manpower, which is time-consuming and laborious, and also has safety hazards, has certain danger, and the existing equipment lacks flexibility and efficiency, therefore a hoisting equipment for rail replacement is provided. UTILITY MODEL CONTENT

[0004] The utility model aims at: in order to solve the current rail replacement operation often takes a long time and needs a large amount of manpower, which is time-consuming and laborious, and also has safety hazards, and a hoisting equipment for rail replacement is provided.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a hoisting equipment for rail replacement, including beam, the both ends of beam are fixedly installed with sliding sleeve, the inner wall of sliding sleeve is slidably installed with support column, the outer surface of support column is provided with locking hole, the inner wall of sliding sleeve is slidably installed with locking wrench, the locking wrench and locking hole are size adaptation, the upper surface of beam is provided with hoisting assembly, the side wall of beam is provided with counterweight assembly;

[0006] The hoisting assembly includes fixed box, the both side walls of fixed box are fixedly installed with fixed plate, the inner wall of fixed plate is rotatably installed with rotating rod, the both ends of rotating rod are fixedly installed with guide wheel.

[0007] As a further description of the above technical scheme:

[0008] The outer surface of guide wheel is rollingly connected with the upper surface of beam, the outer surface of guide wheel is rotatably installed with positioning plate through rotating shaft, the positioning plate keeps transverse stability under the positioning of two guide wheels.

[0009] As a further description of the above technical scheme:

[0010] The inner side wall of the fixed box is rotatably provided with a gear, and the side wall of the fixed box is fixedly provided with a fixed lock, and the lock shaft of the fixed lock is fixedly connected with the side wall of the gear.

[0011] As a further description of the above technical solution:

[0012] The inner wall of the fixed box is slidably provided with a rack, the rack is meshingly connected with the gear, and the two ends of the rack extend to the upper surface and the lower surface of the fixed box.

[0013] As a further description of the above technical solution:

[0014] The lower surface of the rack is fixedly provided with a connecting hinge, and the lower surface of the connecting hinge is fixedly provided with a lifting gripper.

[0015] As a further description of the above technical solution:

[0016] The counterweight assembly comprises a mounting box, the side wall of the mounting box is fixedly connected with the side wall of the cross beam through a fixed block, the outer surface of the mounting box is fixedly provided with a mounting cover, and the inner wall of the mounting cover is fixedly provided with a servo motor.

[0017] As a further description of the above technical solution:

[0018] The inner side wall of the mounting box is rotatably provided with a threaded column and a threaded rod, the threads on the outer surfaces of the threaded column and the threaded rod are opposite, one end of the threaded column is fixedly connected with the output end of the servo motor, the outer surfaces of the threaded column and the threaded rod are fixedly provided with gear chain wheels, and the gear chain wheels are transmissionally connected through a gear chain.

[0019] As a further description of the above technical solution:

[0020] The outer surface of the threaded column is threadedly provided with a threaded sleeve, the outer surface of the threaded sleeve is fixedly provided with a connecting block, the side wall of the mounting box is provided with a stroke groove, one end of the connecting block is fixedly connected with the side wall of the positioning plate through the stroke groove, the inner wall of the bottom surface of the mounting box is slidably provided with a counterweight block, the inner wall of the counterweight block is provided with a threaded hole, and the counterweight block is threadedly connected with the outer surface of the threaded rod through the threaded hole.

[0021] As a further description of the above technical solution:

[0022] 1. The utility model discloses a lifting assembly is set up, and the crossbeam is fixed in the place where the rail needs to be replaced through the support column on the track, then according to the need, the crossbeam is moved on the support column through the sliding sleeve, until the crossbeam is adjusted to the proper position, one end of locking wrench is inserted into locking hole, thereby the crossbeam is fixed in the proper position of support column, then the steel rope on the rail is connected with the lifting gripper, the lifting gripper is connected with the rack through the connecting hinge, then the handle of fixed lock is rotated, gear is rotated through the lock shaft at this time, along with the rotation of gear, the rack will drive the lifting gripper to move up through the connecting hinge, thereby the rail is lifted, not only embody the load bearing of hoisting equipment, also have the advantages such as convenient operation, long service life, further improve the efficiency of rail replacement, and reduce the operation interruption situation caused by rail replacement.

[0023] 2. The utility model discloses a counterweight assembly is set up, and the threaded column is rotated under the action of screw thread of the servo motor in the installation cover driving, and the threaded sleeve will drive the connecting block to move in the stroke groove under the action of screw thread, the connecting block slides the guide pulley on the crossbeam through the positioning plate at this time, thereby the position of the rail is moved, the threaded rod is rotated under the action of the sprocket and the tooth chain of threaded column rotation, the counterweight block will move in the installation box under the action of screw thread, because the screw thread on threaded column and threaded rod is opposite, therefore the moving direction of the rail is opposite with the moving direction of counterweight block, make the gravity center of hoisting equipment keep stable, further guarantee the stability of hoisting equipment when working, further embody the safety of hoisting equipment. ACCREDITED DRAWINGS

[0024] Figure 1 It is a kind of steel rail replacement lifting equipment's three-dimensional structure schematic view.

[0025] Figure 2 It is a kind of steel rail replacement lifting equipment's plane structure schematic view.

[0026] Figure 3 It is a kind of steel rail replacement lifting equipment's counterweight assembly's exploded structure schematic view.

[0027] Figure 4 It is a kind of steel rail replacement lifting equipment's Figure 3 The enlarged structure schematic view of place A.

[0028] Legend:

[0029] 1, beam; 2, sliding sleeve; 3, locking wrench; 4, support column; 5, locking hole; 6, hoisting assembly; 61, fixed box; 62, fixed plate; 63, rotating rod; 64, guide wheel; 65, positioning plate; 66, fixed lock; 67, rack; 68, connecting hinge; 69, lifting grab; 7, counterweight assembly; 71, mounting box; 72, mounting cover; 73, threaded column; 74, threaded rod; 75, sprocket; 76, counterweight block; 77, stroke groove; 78, threaded sleeve; 79, connecting block. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0031] Please refer to Figures 1-4 The utility model provides a kind of technical scheme: a kind of hoisting equipment for rail replacement, including beam 1, the both ends of the beam 1 are fixedly installed with sliding sleeve 2, sliding sleeve 2 is slidably installed on the inner wall of support column 4, the outer surface of support column 4 is provided with locking hole 5, sliding sleeve 2 is slidably installed on the inner wall of locking wrench 3, locking wrench 3 and locking hole 5 size adaptation, the upper surface of the beam 1 is provided with hoisting assembly 6, the lateral wall of the beam 1 is provided with counterweight assembly 7;

[0032] The hoisting assembly 6 includes fixed box 61, the both side walls of the fixed box 61 are fixedly installed with fixed plate 62, the inner wall of the fixed plate 62 is rotatably installed with rotating rod 63, the both ends of the rotating rod 63 are fixedly installed with guide wheel 64, the outer surface of the guide wheel 64 is rotatably connected with the upper surface of beam 1, the outer surface of the guide wheel 64 is rotatably installed with positioning plate 65 by rotating shaft, positioning plate 65 keeps transverse stability under the positioning of two guide wheels 64, the inner side wall of the fixed box 61 is rotatably installed with gear, the side wall of the fixed box 61 is fixedly installed with fixed lock 66, the lock shaft of fixed lock 66 is fixedly connected with the side wall of gear, the inner wall of the fixed box 61 is slidably installed with rack 67, rack 67 is meshingly connected with gear, the both ends of the rack 67 extend to the upper surface and the lower surface of the fixed box 61 respectively, the lower surface of the rack 67 is fixedly installed with connecting hinge 68, the lower surface of the connecting hinge 68 is fixedly installed with lifting grab 69.

[0033] The specific implementation is that the cross beam 1 is fixed on the support column 4 at the position where the rail needs to be replaced, then the cross beam 1 is moved on the support column 4 through the sliding sleeve 2 as required, after the cross beam 1 is adjusted to the appropriate position, one end of the locking wrench 3 is inserted into the locking hole 5, so that the cross beam 1 is fixed on the support column 4 at the appropriate position, then the steel rope on the rail is connected with the lifting gripper 69, the lifting gripper 69 is connected with the rack 67 through the connecting hinge 68, then the handle of the fixed lock 66 is turned, at this time the gear is driven to rotate through the lock shaft, with the rotation of the gear, the rack 67 drives the lifting gripper 69 to move up through the connecting hinge 68, so that the rail is lifted.

[0034] The counterweight assembly 7 comprises a mounting box 71, the side wall of the mounting box 71 is fixedly connected with the side wall of the cross beam 1 through a fixing block, an installation cover 72 is fixedly installed on the outer surface of the mounting box 71, a servo motor is fixedly installed on the inner wall of the installation cover 72, a threaded column 73 and a threaded rod 74 are rotatably installed on the inner side wall of the mounting box 71, the threads on the outer surfaces of the threaded column 73 and the threaded rod 74 are opposite, one end of the threaded column 73 is fixedly connected with the output end of the servo motor, toothed chain wheels 75 are fixedly installed on the outer surfaces of the threaded column 73 and the threaded rod 74, the toothed chain wheels 75 are connected through a toothed chain, a threaded sleeve 78 is screwedly installed on the outer surface of the threaded column 73, a connecting block 79 is fixedly installed on the outer surface of the threaded sleeve 78, a stroke groove 77 is arranged on the side wall of the mounting box 71, one end of the connecting block 79 is fixedly connected with the side wall of the positioning plate 65 through the stroke groove 77, a counterweight block 76 is slidably installed on the bottom inner wall of the mounting box 71, a threaded hole is arranged on the inner wall of the counterweight block 76, and the counterweight block 76 is screwedly connected with the outer surface of the threaded rod 74 through the threaded hole.

[0035] The specific implementation is that the servo motor in the installation cover 72 drives the threaded column 73 to rotate, under the action of the threads, the connecting block 79 drives the guide wheel 64 to slide on the cross beam 1 through the positioning plate 65, so that the position of the rail is moved, under the action of the threads, the counterweight block 76 moves in the mounting box 71 under the action of the threads, under the action of the threads, the connecting block 79 drives the guide wheel 64 to slide on the cross beam 1 through the positioning plate 65, so that the position of the rail is moved, under the action of the threads, the counterweight block 76 moves in the mounting box 71 under the action of the threads, because the threads on the threaded column 73 and the threaded rod 74 are opposite, therefore the moving direction of the rail is opposite to the moving direction of the counterweight block 76.

[0036] Working principle: the beam 1 is fixed on the support column 4 at the place where the rail needs to be replaced, then the beam 1 is moved on the support column 4 through the sliding sleeve 2 according to the needs, after the beam 1 is adjusted to the appropriate position, one end of the locking wrench 3 is inserted into the locking hole 5, so that the beam 1 is fixed on the appropriate position of the support column 4, then the steel rope on the rail is connected with the lifting gripper 69, the lifting gripper 69 is connected with the rack 67 through the connecting hinge 68, then the handle of the fixed lock 66 is turned, at this time the gear is driven to rotate through the lock shaft, with the rotation of the gear, the rack 67 will drive the lifting gripper 69 to move up through the connecting hinge 68, so as to lift the rail, the servo motor in the installation cover 72 drives the threaded column 73 to rotate, under the action of the screw thread, the threaded sleeve 78 will drive the connecting block 79 to move in the stroke groove 77, at this time the connecting block 79 drives the guide wheel 64 to slide on the beam 1 through the positioning plate 65, so as to move the position of the rail, under the action of the sprocket wheel 75 and the toothed chain, the threaded rod 74 is driven to rotate when the threaded column 73 rotates, under the action of the screw thread, the counterweight 76 will move in the installation box 71, since the screw threads on the threaded column 73 and the threaded rod 74 are opposite, therefore the moving direction of the rail is opposite to the moving direction of the counterweight 76.

[0037] The above merely describes the preferred embodiments of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A lifting device for rail replacement, comprising a crossbeam (1), characterised in that: Both ends of the crossbeam (1) are fixedly installed with sliding sleeves (2), the inner wall of the sliding sleeve (2) is slidably installed with a support column (4), the outer surface of the support column (4) is provided with a locking hole (5), the inner wall of the sliding sleeve (2) is slidably installed with a locking wrench (3), the locking wrench (3) is matched with the locking hole (5), the upper surface of the crossbeam (1) is provided with a hoisting assembly (6), and the side wall of the crossbeam (1) is provided with a counterweight assembly (7). The hoisting assembly (6) comprises a fixed box (61), both side walls of the fixed box (61) are fixedly installed with a fixed plate (62), the inner wall of the fixed plate (62) is rotatably installed with a rotating rod (63), both ends of the rotating rod (63) are fixedly installed with a guide wheel (64).

2. The rail replacement hoisting apparatus according to claim 1, characterized by The outer surface of the guide wheel (64) is rollingly connected with the upper surface of the crossbeam (1), the outer surface of the guide wheel (64) is rotatably installed with a positioning plate (65) through a rotating shaft, and the positioning plate (65) is kept transversely stable under the positioning of the two guide wheels (64).

3. A rail replacement hoisting apparatus according to claim 2, wherein The inner side wall of the fixed box (61) is rotatably installed with a gear, the side wall of the fixed box (61) is fixedly installed with a fixed lock (66), and the lock shaft of the fixed lock (66) is fixedly connected with the side wall of the gear.

4. A rail replacement hoisting apparatus according to claim 3, wherein The inner wall of the fixed box (61) is slidably installed with a rack (67), the rack (67) is meshingly connected with the gear, and both ends of the rack (67) extend to the upper surface and the lower surface of the fixed box (61) respectively.

5. A rail replacement hoisting apparatus according to claim 4, wherein The lower surface of the rack (67) is fixedly installed with a connecting hinge (68), and the lower surface of the connecting hinge (68) is fixedly installed with a lifting grab (69).

6. A rail replacement hoisting apparatus according to claim 5, wherein The counterweight assembly (7) comprises a mounting box (71), the side wall of the mounting box (71) is fixedly connected with the side wall of the crossbeam (1) through a fixed block, the outer surface of the mounting box (71) is fixedly installed with a mounting cover (72), and the inner wall of the mounting cover (72) is fixedly installed with a servo motor.

7. A rail replacement hoisting apparatus according to claim 6, wherein The inner side wall of the mounting box (71) is rotatably installed with a threaded column (73) and a threaded rod (74), the threads on the outer surfaces of the threaded column (73) and the threaded rod (74) are opposite, one end of the threaded column (73) is fixedly connected with the output end of the servo motor, the outer surfaces of the threaded column (73) and the threaded rod (74) are fixedly installed with gear chain wheels (75), and the gear chain wheels (75) are drivingly connected through a gear chain.

8. A rail replacement hoisting apparatus according to claim 7, wherein The outer surface of the threaded column (73) is threadedly installed with a threaded sleeve (78), the outer surface of the threaded sleeve (78) is fixedly installed with a connecting block (79), the side wall of the mounting box (71) is provided with a stroke groove (77), one end of the connecting block (79) is fixedly connected with the side wall of the positioning plate (65) through the stroke groove (77), the bottom inner wall of the mounting box (71) is slidably installed with a counterweight block (76), the inner wall of the counterweight block (76) is provided with a threaded hole, and the counterweight block (76) is threadedly connected with the outer surface of the threaded rod (74) through the threaded hole.