Special fixture for integrally hoisting steel structure and bogie of passenger train

By designing a special clamp for lifting the steel structure and bogie of railway passenger cars as a whole, and using a combination of wire rope and adjusting nut, the problem of bogie falling off during the lifting process was solved, and safe and reliable lifting was achieved.

CN223765883UActive Publication Date: 2026-01-06CHANGCHUN RAILWAY VEHICLE FACILITIES
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Patent Information

Application Number
CN202520409439.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-11
Publication Date
2026-01-06
Estimated Expiration
2035-03-11

AI Technical Summary

Technical Problem

During the hoisting process of railway passenger cars, the bogies are prone to detachment and damage, and existing lifting equipment cannot effectively secure them, leading to safety risks and equipment damage.

Method used

A special clamp for lifting the steel structure and bogie of a railway passenger car as a whole was designed. It uses wire rope, connecting components, frame-type adjusting nuts and O-type joints. The wire rope is connected to the steel structure through the O-type joints. The wire rope passes around the bottom of the bogie axle and the spacing is adjusted by the frame-type adjusting nuts to provide support and prevent separation.

Benefits of technology

Effectively secure the bogies to prevent them from falling off during hoisting, adapt to different styles of railway passenger car steel structures and bogie connections, and ensure hoisting safety.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a special fixture for integrally hoisting a steel structure and a bogie of a passenger train. The special fixture is characterized by comprising a steel wire rope, a connecting component, a frame type adjusting nut and an O-shaped joint, two ends of the steel wire rope respectively form hanging rings; the two connecting assemblies are connected with the hanging rings correspondingly. One end of the connecting assembly is connected with the lifting ring, and the other end is provided with a first screw; a second screw rod is arranged on the O-shaped joint; the first screw rod and the second screw rod are opposite in thread turning direction; a first screw hole matched with the first screw rod is formed in one end of the frame type adjusting nut, and a second screw hole matched with the second screw rod is formed in the other end of the frame type adjusting nut; the first screw rod is connected with the first screw hole; the clamp is connected between the steel structure and the bogie, support is provided between the steel structure and the bogie, separation in the hoisting process is avoided, the distance between the O-shaped connector and the steel wire rope can be freely adjusted, and therefore the clamp can adapt to connection between the steel structure and the bogie of railways of different styles.
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Description

TECHNICAL FIELD

[0001] The utility model relates to railway passenger car hoisting tool technical field, especially in railway passenger car steel structure and special fixture of bogie integral hoisting. BACKGROUND

[0002] After the railway passenger car is newly made or is transformed, under the influence of the track gauge of railway line, the economic conditions of port hoisting and the like, part of the vehicles cannot be transported to the user site or the port through the track transport mode, need to adopt the motor transport mode, this needs to hoist and transport the railway passenger car to the railway transport plate car after the completion. The bogie is an important bearing component of the railway passenger car, and the connecting structure between the bogie and the steel structure cannot bear the pulling force of separation. When the whole railway passenger car is hoisted and transported, the large special lifting appliance is hung on the steel structure, and the bogie will fall off and damage the corresponding accessories after being hoisted, therefore, the bogie needs to be fixed on the steel structure by using the lifting fixture, so as to ensure the hoisting safety. UTILITY MODEL CONTENTS

[0003] The utility model aims at providing a kind of railway passenger car steel structure and special fixture of bogie integral hoisting to solve the problems mentioned in background art.

[0004] In order to realize the above-mentioned purpose, the utility model provides the following technical scheme:

[0005] A kind of special fixture of railway passenger car steel structure and bogie integral hoisting, including wire rope, connecting assembly, frame type adjusting nut and O type joint;Two ends of the wire rope form lifting ring respectively;The connecting assembly is set two groups and is connected with lifting ring respectively;One end of the connecting assembly is connected with lifting ring, and the other end is equipped with first screw rod;Second screw rod is equipped on the O type joint;The thread rotation direction of the first screw rod and the second screw rod is opposite;The one end of the frame type adjusting nut is equipped with the first screw hole matched with the first screw rod, and the other end is equipped with the second screw hole matched with the second screw rod;The first screw rod is connected with the first screw hole;Second screw rod is connected with the second screw hole.

[0006] Further description of the utility model, the connecting assembly includes U type joint, round pin, washer and split pin;Two ends of the U type joint are equipped with mounting hole respectively;The lifting ring extends into the U type joint;One end of the round pin is equipped with limit head, and the other end is equipped with pin hole;The round pin is threaded through two mounting holes and lifting ring;The limit head is in contact with the one side outer wall of the U type joint;The washer is sleeved on the tail of round pin and is in contact with the other side outer wall of the U type joint;The split pin is installed in the pin hole and is in contact with the washer;The first screw rod is connected on the side of the U type joint opposite to the split pin.

[0007] Further description of the utility model, the frame type adjusting nut includes frame body and the connecting head that connects in both ends of frame body, the frame body middle part has the hollow hole, the first screw hole and the second screw hole are formed in the connecting head respectively.

[0008] The utility model discloses the beneficial effect that:

[0009] The design is connected on the steel structure through the O type joint, and the steel wire rope is wound from the bottom of the axle of the bogie, and then the spacing between the O type joint and the steel wire rope is adjusted through the frame type adjusting nut, so that the steel wire rope is tensioned to the axle, support is provided between the steel structure and the bogie, separation during hoisting is avoided, the spacing between the O type joint and the steel wire rope can be freely adjusted, so that the connection between the steel structure and the bogie of different styles of railway can be adapted. BRIEF DESCRIPTION OF DRAWINGS

[0010] Figure 1 It is the overall structure diagram of the utility model. DETAILED DESCRIPTION

[0011] The utility model is further described below in combination with the drawings:

[0012] As Figure 1 The utility model discloses a special fixture for the integral lifting of railway passenger car steel structure and bogie, which comprises a steel wire rope 1, a connecting assembly 2, a frame type adjusting nut 3 and an O type joint 4. The two ends of the steel wire rope 1 are respectively formed with lifting rings 11. The connecting assembly 2 is provided in two groups and is connected with the lifting rings 11 respectively. One end of the connecting assembly 2 is connected with the lifting ring 11, and the other end is provided with a first screw rod 21. The O type joint 4 is provided with a second screw rod 41. The screw thread directions of the first screw rod 21 and the second screw rod 41 are opposite. One end of the frame type adjusting nut 3 is provided with a first screw hole matched with the first screw rod 21, and the other end is provided with a second screw hole matched with the second screw rod 41. The first screw rod 21 is connected with the first screw hole. The second screw rod 41 is connected with the second screw hole. During use, the O type joint 4 is connected on the steel structure, the steel wire rope 1 is wound from the bottom of the axle of the bogie, and then the spacing between the O type joint 4 and the steel wire rope 1 is adjusted through the frame type adjusting nut 3, so that the steel wire rope 1 is tensioned to the axle, support is provided between the steel structure and the bogie, separation during hoisting is avoided, the spacing between the O type joint 4 and the steel wire rope 1 can be freely adjusted, so that the connection between the steel structure and the bogie of different styles of railway can be adapted.

[0013] The connecting assembly 2 comprises a U-shaped joint 22, a round pin 23, a washer 24 and an open pin 25; the U-shaped joint 22 is provided with mounting holes at two ends respectively; the lifting ring 11 extends into the U-shaped joint 22; the round pin 23 is provided with a limiting head at one end and a pin hole at the other end; the round pin 23 passes through the two mounting holes and the lifting ring 11; the limiting head abuts against the outer wall of one side of the U-shaped joint 22; the washer 24 is sleeved on the tail of the round pin 23 and is in contact with the outer wall of the other side of the U-shaped joint 22; the open pin 25 is installed in the pin hole and abuts against the washer 24; the first screw rod 21 is connected at the side of the U-shaped joint 22 away from the open pin; the connection with the steel wire rope 1 is realized, and the structure is stable.

[0014] The frame type adjusting nut 3 comprises a frame body 31 and connecting heads 32 connected at two ends of the frame body 31; the frame body 31 is provided with a hollow hole 311 in the middle; the first screw hole and the second screw hole are respectively formed in the connecting heads 32, and the tail ends of the first screw rod 21 and the second screw rod 41 extend into the hollow hole 311 respectively.

[0015] The above description does not limit the technical range of the new type, and any modification, equivalent change and modification made according to the technical essence of the new type to the above embodiments still belong to the technical range of the new type.

Claims

1. A special clamp for lifting the steel structure and bogie of a railway passenger car as a whole, characterized in that: The utility model provides a lifting device, including steel wire rope, connecting component, frame type adjusting nut and O type joint, two ends of steel wire rope form respectively hanging ring, connecting component sets up two groups and connects with hanging ring respectively, one end of connecting component is connected with hanging ring, and the other end is equipped with first screw rod, be equipped with second screw rod on O type joint, the thread rotation direction of first screw rod and second screw rod is opposite, one end of frame type adjusting nut is equipped with with first screw rod cooperation's first screw hole, and the other end is equipped with with second screw rod cooperation's second screw hole, first screw rod is connected with first screw hole, second screw rod is connected with second screw hole.

2. The special fixture for integral lifting of the railway passenger car steel structure and bogie according to claim 1, characterized in that: The connecting component includes a U-shaped joint, a round pin, a washer, and a split pin. The U-shaped joint has two ends each provided with a mounting hole. The hanging ring extends into the U-shaped joint. The round pin has a limiting head at one end and a pin hole at the other end. The round pin passes through the two mounting holes and the hanging ring. The limiting head abuts against one side of the outer wall of the U-shaped joint. The washer is sleeved on the tail of the round pin and contacts the other side of the outer wall of the U-shaped joint. The split pin is installed in the pin hole and abuts against the washer. The first screw rod is connected to the side of the U-shaped joint opposite to the split pin.

3. The special fixture for integral lifting of the railway passenger car steel structure and bogie according to claim 1, characterized in that: The frame type adjusting nut includes a frame body and connecting heads connected to both ends of the frame body. The frame body has a hollow hole in the middle. The first screw hole and the second screw hole are formed in the connecting heads, respectively.