Control device for lifting machine of long rail vehicle

By designing a control device for a long rail car lifting machine, a precise lifting of the rails is achieved using a hydraulic cylinder and a motor-driven gear system, and a limit device is used to prevent the rails from tipping over. This solves the problems of low rail maintenance efficiency and safety hazards in the existing technology, and improves maintenance efficiency and safety.

CN223753142UActive Publication Date: 2026-01-02CHINA RAILWAY UNION CHINA RAILWAY NANCHANG BUREAU GRP CO LTD YINGTAN PUBLIC WORKS MASCH SECTION COMMITTEE
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Patent Information

Application Number
CN202520154652.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-23
Publication Date
2026-01-02
Estimated Expiration
2035-01-23

AI Technical Summary

Technical Problem

The existing technology, which involves workers using tools such as crowbars to pry up the rails, results in low rail maintenance efficiency and poses safety hazards.

Method used

A long rail car lifting machine control device is adopted, which uses hydraulic cylinders, motors and gear systems to drive the lifting arm to achieve precise lifting of the rails, and uses a limit device to prevent the rails from tipping over. The design includes components such as machine body, hydraulic cylinders, top plate, connecting plate, motor, gears and limit rollers.

Benefits of technology

This technology enables precise lifting of the rails, improves maintenance efficiency, reduces the probability of safety accidents, and saves labor costs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a long rail car lifting machine control device, and relates to the technical field of long rail car lifting machines, the long rail car lifting machine control device comprises a machine body and a steel rail, a hydraulic cylinder is fixedly installed in the machine body, an output end installation pipe of the hydraulic cylinder is provided with a top plate, and two sides of the top plate are fixedly provided with connecting plates; according to the steel rail lifting device, the air cylinder drives the top plate to move upwards, the top plate can drive the limiting rod to slide in the machine body, meanwhile, the connecting plate can drive the lifting arm to move upwards, and therefore a steel rail is lifted; after the steel rail is lifted, the steel rail or sleepers at the bottom of the steel rail can be maintained and overhauled, due to the telescopic design of the lifting arms, the steel rail can be conveniently lifted, meanwhile, the effect that safety accidents are avoided when workers maintain the steel rail is achieved, the steel rail maintenance efficiency is improved, and the labor input cost is saved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to long rail car lifting machine technical field especially relates to a long rail car lifting machine control device. BACKGROUND

[0002] Long rail car lifting machine is a kind of equipment for long rail railway construction and maintenance process, long steel rail is lifted or lowered operation.

[0003] In prior art, when replacing sleeper or checking rail bottom connecting piece along railway, worker can use crowbar to pry up rail, crowbar is a common tool, worker inserts one end of crowbar into gap between rail and sleeper, uses lever principle, and makes one side of rail lift by exerting downward force on the other end of crowbar.

[0004] In this kind of maintenance mode, the height and angle of lifting are difficult to control accurately, and need to be operated by multiple workers, and be used for short distance, small amplitude rail lifting, thereby reducing the maintenance efficiency of rail, and also causing the situation that workers are crushed by rail, and increasing the probability of safety accidents of workers. UTILITY MODEL CONTENTS

[0005] The utility model aims at solving the problems of low maintenance efficiency of rail and workers being crushed by rail in prior art by means of workers prying up rail by crowbar and other tools to maintain and overhaul rail and sleeper, and provides a long rail car lifting machine control device.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a long rail car lifting machine control device, including machine body and rail, the inside of machine body is fixedly installed with hydraulic cylinder, the output end of hydraulic cylinder is installed with top plate, both sides of top plate are fixedly installed with connecting plate, the bottom surface of top plate is fixedly installed with limiting rod, the inner side surface of connecting plate is rotatably connected with limiting roller, both sides of machine body are provided with limiting groove, the side surface of connecting plate is fixedly installed with motor, the output end of motor is installed with gear A, both sides of the inside of connecting plate are slidably connected with lifting arm, the inside of connecting plate is rotatably connected with gear B, the surface of gear A and gear B is provided with sprocket chain, the surface of gear B is fixedly installed with lead screw.

[0007] Preferably, the limiting rod is slidably connected between the machine body, and the connecting plate is slidably connected between the machine body.

[0008] Preferably, the gear A is rotatably connected between the connecting plate, and the gear A and the gear B are engaged with the sprocket chain.

[0009] Preferably, the limiting roller is in rolling connection with the limiting groove, and the lifting arm is in threaded connection with the lead screw.

[0010] Preferably, the lifting arm is provided with a groove on each side, and the lifting arm is internally provided with an inserting rod, the groove is internally rotatably connected with a rotating block, the lifting arm is rotatably connected with a rotating rod, the rotating rod is externally sleeved with a torsion spring, and one end of the rotating rod is fixedly connected with a clamping rod.

[0011] Preferably, the inserting rod is in sliding connection with the clamping rod, and the inserting rod is in threaded connection with the rotating block.

[0012] Preferably, one end of the torsion spring is connected to the side surface of the clamping rod, and the other end is connected to the inner surface of the lifting arm, and the clamping rod is in sliding connection with the lifting arm.

[0013] Compared with the prior art, the utility model has the advantages and positive effects that:

[0014] 1、in the utility model, through motor drive gear A rotation, gear A in rotation will through eat two can drive gear B rotation, thereby drive lead screw rotation, and the lead screw in rotation will drive lifting arm to the both sides of connecting plate movement, after lifting arm moves to the bottom of the rail, again through the cylinder drive top plate upwardly moves, and the top plate will drive the limiting rod in the inside of the machine body sliding, also will through connecting plate drive lifting arm upwardly moves, thereby make the rail rise, after the rail rises, can the maintenance and overhaul of the rail or the bottom of the sleeper, the telescopic design of lifting arm not only played the effect that the rail is conveniently lifted, also played the effect that avoided the safety accident of staff when maintaining the rail, improved the efficiency of maintaining the rail, saved the labor input cost.

[0015] 2、in the utility model, through rotating the rotating block, after the inserting rod is rotated from the rotating block, the inserting rod can be pulled out from the clamping rod, at this time, the clamping rod will be rotated under the torsion of the torsion spring, after the clamping rod is rotated, the limiting of the rail can be completed, thereby avoiding the situation that the rail falls in the lifting process, and further improving the safety of the rail maintenance work. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 a three-dimensional structure schematic diagram of the control device of the long rail vehicle lifting machine is provided for the utility model;

[0017] Figure 2 an explosion structure schematic diagram of the top plate, hydraulic cylinder and motor in the control device of the long rail vehicle lifting machine is provided for the utility model;

[0018] Figure 3 a three-dimensional structure schematic diagram of the control device of the long rail vehicle lifting machine is provided for the utility model; Figure 2 an enlarged view of position A in the control device of the long rail vehicle lifting machine is provided for the utility model;

[0019] Figure 4 This utility model provides an exploded structural diagram of the locking rod and insert rod in the control device of the long rail car lifting machine;

[0020] Figure 5 This utility model proposes a control device for a long rail car lifting machine. Figure 4 Enlarged view of point B in the middle.

[0021] Legend: 1. Body; 2. Rail; 3. Hydraulic cylinder; 4. Top plate; 5. Limiting rod; 6. Connecting plate; 7. Limiting roller; 8. Limiting groove; 9. Lifting arm; 10. Motor; 11. Gear A; 12. Gear chain; 13. Gear B; 14. Lead screw; 15. Groove; 16. Insert rod; 17. Rotating block; 18. Rotating rod; 19. Torsion spring; 20. Locking rod. Detailed Implementation

[0022] To better understand the above-mentioned objectives, features, and advantages of this utility model, the present utility model will be further described below with reference to the accompanying drawings and embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0023] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed in the following specification. Example 1

[0024] like Figures 1-5 As shown, this utility model provides a control device for a long rail car lifting machine, including a body 1 and a rail 2. A hydraulic cylinder 3 is fixedly installed inside the body 1. A top plate 4 is mounted on the output end of the hydraulic cylinder 3. Connecting plates 6 are fixedly installed on both sides of the top plate 4. Limiting rods 5 are fixedly installed on the bottom surface of the top plate 4. Limiting rollers 7 are rotatably connected to the inner side of the connecting plates 6. Limiting grooves 8 are opened on both sides of the body 1. A motor 10 is fixedly installed on the side of the connecting plate 6. A gear A11 is installed on the output end of the motor 10. The inner side of the connecting plate 6 has two... The lifting arm 9 is slidably connected to both sides. Gear B13 is rotatably connected inside the connecting plate 6. Gear chain 12 is sleeved on the surface of gear A11 and gear B13. Screw 14 is fixedly installed on the surface of gear B13. Limiting rod 5 is slidably connected to the machine body 1. Connecting plate 6 is slidably connected to the machine body 1. Gear A11 is rotatably connected to connecting plate 6. Gear A11 and gear B13 are both meshed with gear chain 12. Limiting roller 7 is rotatably connected to limiting groove 8. Lifting arm 9 and screw 14 are connected by thread.

[0025] In this embodiment: through the motor 10 drive gear A11 rotation, gear A11 in rotation will be through eating two can drive gear B13 rotation, thereby driving the lead screw 14 rotation, and the lead screw 14 in rotation will drive lifting arm 9 to the both sides of the connecting plate 6 movement, after lifting arm 9 moves to the bottom of the rail 2, through the cylinder drive top plate 4 up again, and the top plate 4 will drive the limit rod 5 in the body 1 inside sliding, also through the connecting plate 6 drive lifting arm 9 up, so that the rail 2 is lifted, after the rail 2 is lifted, the rail 2 or its bottom sleeper can be maintained and repaired, the telescopic design of lifting arm 9 not only facilitates the lifting of the rail 2, but also avoids the safety accidents of the staff in the maintenance of the rail 2, improves the efficiency of the maintenance of the rail 2, and saves the labor cost. Example two

[0026] As shown in Figures 1-5 the two sides of the lifting arm 9 are provided with grooves 15, the inside of the lifting arm 9 is provided with a plug rod 16, the inside of the groove 15 is rotatably connected with a rotating block 17, the inside of the lifting arm 9 is rotatably connected with a rotating rod 18, the surface of the rotating rod 18 is sleeved with a torsional spring 19, one end of the rotating rod 18 is fixedly installed with a clamping rod 20, the plug rod 16 and the clamping rod 20 are slidably connected, the plug rod 16 and the rotating block 17 are connected by threads, one end of the torsional spring 19 is connected to the side surface of the clamping rod 20, the other end is connected to the inner surface of the lifting arm 9, and the clamping rod 20 and the lifting arm 9 are slidably connected.

[0027] In this embodiment: by rotating the rotating block 17, after the plug rod 16 is turned out of the rotating block 17, the plug rod 16 can be pulled out of the clamping rod 20, at this time the clamping rod 20 will be rotated under the action of the torsional force of the torsional spring 19, after the clamping rod 20 is turned off, the limiting of the rail 2 can be completed, so as to avoid the rail 2 from falling down during lifting, thereby improving the safety of the rail 2 maintenance work.

[0028] The use method and working principle of the device: when the rail 2 needs to be lifted, first drive the gear A11 to rotate through the motor 10, the gear A11 will drive the gear B13 to rotate through the eating two, thereby driving the lead screw 14 to rotate, and the lead screw 14 will drive the lifting arm 9 to move to the both sides of the connecting plate 6, after the lifting arm 9 moves to the bottom of the rail 2, drive the top plate 4 up again through the cylinder, and the top plate 4 will drive the limit rod 5 to slide in the body 1, and also drive the lifting arm 9 up through the connecting plate 6, so that the rail 2 is lifted, after the rail 2 is lifted, the rail 2 or the sleeper at the bottom thereof can be maintained and repaired;

[0029] Before the steel rail 2 needs to be lifted, the rotating block 17 is rotated, and after the inserting rod 16 is rotated out of the rotating block 17, the inserting rod 16 can be pulled out of the clamping rod 20, at this time, the clamping rod 20 will be rotated under the torsion of the torsion spring 19, and after the clamping rod 20 is rotated open, the limiting of the steel rail 2 is completed, after the lifting arm 9 drives the steel rail 2 to lift, the steel rail 2 will be blocked by the clamping rod 20 and cannot fall off.

[0030] The above is only a preferred embodiment of the present application, and is not intended to limit the present application in other forms. Any skilled person in the art can modify or change the above disclosed technical content to equivalent embodiments applied to other fields. However, any simple modification, equivalent change and modification of the above embodiments made according to the technical essence of the present application without departing from the technical scheme of the present application still falls within the protection scope of the present application.

Claims

1. A long rail car lifter control device, comprising a machine body (1) and a steel rail (2), characterized in that: The inside of the machine body (1) is fixedly provided with a hydraulic cylinder (3), the output end of the hydraulic cylinder (3) is provided with a top plate (4), both sides of the top plate (4) are fixedly provided with a connecting plate (6), the bottom surface of the top plate (4) is fixedly provided with a limiting rod (5), the inner side surface of the connecting plate (6) is rotatably connected with a limiting roller (7), both sides of the machine body (1) are provided with a limiting groove (8), the side surface of the connecting plate (6) is fixedly provided with a motor (10), the output end of the motor (10) is provided with a gear A (11), both sides of the inside of the connecting plate (6) are slidably connected with a lifting arm (9), the inside of the connecting plate (6) is rotatably connected with a gear B (13), the surfaces of the gear A (11) and the gear B (13) are provided with a toothed chain (12), and the surface of the gear B (13) is fixedly provided with a lead screw (14).

2. A long rail car lifter control device according to claim 1, characterized in that: The limiting rod (5) and the machine body (1) are slidably connected, and the connecting plate (6) and the machine body (1) are slidably connected.

3. A long rail car lifter control device according to claim 1, characterized in that: The gear A (11) and the connecting plate (6) are rotatably connected, and the gear A (11) and the gear B (13) are engaged with the toothed chain (12).

4. A long rail car lifter control device according to claim 1, characterized in that: The limiting roller (7) and the limiting groove (8) are rollingly connected, and the lifting arm (9) and the lead screw (14) are threadedly connected.

5. A long rail car lifter control device according to claim 1, characterized by: Both sides of the lifting arm (9) are provided with a groove (15), the inside of the lifting arm (9) is provided with a plug rod (16), the inside of the groove (15) is rotatably connected with a rotating block (17), the inside of the lifting arm (9) is rotatably connected with a rotating rod (18), the surface of the rotating rod (18) is provided with a torsional spring (19), and one end of the rotating rod (18) is fixedly provided with a clamping rod (20).

6. A long rail car lifter control device according to claim 5, wherein: The plug rod (16) and the clamping rod (20) are slidably connected, and the plug rod (16) and the rotating block (17) are threadedly connected.

7. A long rail car lifter control device according to claim 5, wherein: One end of the torsional spring (19) is connected to the side surface of the clamping rod (20), the other end is connected to the inner surface of the lifting arm (9), and the clamping rod (20) and the lifting arm (9) are slidably connected.