Railway vehicle wheel pair and trolley lifting appliance
By designing a railway vehicle wheel pair and trolley sling using C-shaped hooks and connecting rods, the problems of wire rope slitting and slipping in the prior art are solved, and stable lifting and disassembling of trolleys and wheel pairs are realized, reducing working time and strength and improving safety.
Patent Information
- Application Number
- CN202421480793.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-26
- Publication Date
- 2025-04-22
- Estimated Expiration
- 2034-06-26
AI Technical Summary
In the prior art, when using wire rope spreaders to flip, disassemble and install the wheel pairs of railway vehicles, the wire ropes are prone to problems such as slitting and slipping, causing the trolley and wheel pairs to be crooked and slipping, extending the working time, increasing the working strength, and posing personal safety hazards.
A railway vehicle wheel pair and a trolley sling are designed, and a combined structure of a first C-shaped hook, a second C-shaped hook and a plurality of connecting rods is connected to the wire rope through the first hook and the second hook. The first hook station and the second hook station are attached to the middle of the wheel pair shaft to realize stable lifting and disassembly operations.
The spreader is simple in structure and easy to use, effectively reduces working time, improves the stability and safety of the work, and avoids the skew and slippage of the trolley and wheel pair.
Smart Images
Figure CN222781235U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of slings, in particular to a railway vehicle wheelset and a trolley sling. Background Art
[0002] At present, the Transportation Department of Baosteel Steel Union Co., Ltd. has a total of 905 railway vehicles for Baosteel's own use. Every year, more than 1,100 vehicles (times) undergo annual maintenance, overhaul and other maintenance. Most maintenance procedures require the overturning, disassembly and installation of wheelsets. Previously, wire ropes (slings) were used for this operation, which often caused the wire ropes (slings) to slip and cause the trolleys and wheelsets to tilt and slip, resulting in the failure of the trolley to flip or the wheelsets to get stuck in the axle box guide frame during the disassembly and installation of the wheelsets, which extended the operation time, increased the operation intensity, and easily threatened personal safety. Utility Model Content
[0003] The utility model aims to provide a railway vehicle wheelset and a trolley hoist to solve the problems existing in the above-mentioned prior art, with simple structure, convenient use, effective reduction of operation time and effective guarantee of personal safety.
[0004] To achieve the above purpose, the utility model provides the following solutions:
[0005] The utility model provides a road vehicle wheelset and trolley hoist, comprising: a first C-shaped hook, a second C-shaped hook and a plurality of connecting rods, wherein a first hanging portion is arranged on the top of the first C-shaped hook, and the first hanging portion is used to be connected to the steel wire rope of the hoisting device, and a first hanging station is arranged on the inner side of the bottom of the first C-shaped hook, and the first hanging station is used to hang the middle part of the axle body of the wheelset on one side of the trolley; a second hanging portion is arranged on the top of the second C-shaped hook, and the second hanging portion is used to be connected to the steel wire rope of the hoisting device, and a second hanging station is arranged on the inner side of the bottom of the second C-shaped hook, and the second hanging station is used to hang the middle part of the axle body of the wheelset on one side of the trolley; one end of each connecting rod is used to be fixedly connected to the first C-shaped hook, and the other end is used to be fixedly connected to the second C-shaped hook.
[0006] Preferably, the first C-shaped hook and the second C-shaped hook have the same shape and are arranged in parallel.
[0007] Preferably, the first hanging portion is a first hanging eye hole, and the second hanging portion is a second hanging eye hole.
[0008] Preferably, the number of the connecting rods is three, the three connecting rods are arranged in parallel, two of the connecting rods are respectively arranged on both sides of the first hanging station, and the other connecting rod is arranged on one side of the first lifting eye hole.
[0009] Preferably, both sides of the first C-shaped hook and the second C-shaped hook are made of steel plates with a thickness of 28 to 32 mm.
[0010] Preferably, the connecting rod is made of a round steel square tube with a diameter of 28 to 32 mm.
[0011] Compared with the prior art, the utility model has achieved the following technical effects:
[0012] The utility model aims to provide a railway vehicle wheelset and trolley hoist. When in use, the first hanging part and the second hanging part are respectively connected to the wire rope of the hoisting device, the first hanging station and the second hanging station are hung in the middle of the wheelset axle body on one side of the trolley, the hoisting device lifts the wheelset and the trolley, and the trolley is turned upward to prepare for the wheelset disassembly operation; when the wheelset is disassembled, since the trolley axle box guide frame opening is vertically upward, the first hanging station and the second hanging station are hung in the middle of the wheelset axle body, and the wheelset can be smoothly hoisted out from the axle box guide frame. The utility model has a simple structure, is easy to use, effectively reduces the operation time, and effectively ensures personal safety. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.
[0014] Figure 1 A front view of a railway vehicle wheelset and a trolley hoist provided by the utility model;
[0015] Figure 2 for Figure 1 A side cross-sectional view of
[0016] Figure 3 A schematic diagram of the structure of the first C-shaped hook in the railway vehicle wheelset and trolley hoist provided by the utility model;
[0017] Figure 4 A schematic diagram of the structure of the connecting rod in the railway vehicle wheelset and the trolley hoist provided by the utility model;
[0018] In the figure: 1. first C-shaped hook; 2. second C-shaped hook; 3. first hanging part; 4. first hanging station; 5. connecting rod. DETAILED DESCRIPTION
[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0020] The utility model aims to provide a railway vehicle wheelset and a trolley hoist to solve the problems existing in the above-mentioned prior art, with simple structure, convenient use, effective reduction of operation time and effective guarantee of personal safety.
[0021] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.
[0022] The utility model provides a road vehicle wheelset and a trolley hoist, comprising: a first C-shaped hook, a second C-shaped hook and a plurality of connecting rods, wherein a first hanging portion is arranged on the top of the first C-shaped hook, and the first hanging portion is used to be connected to a steel wire rope of a hoisting device, and a first hanging station is arranged on the inner side of the bottom of the first C-shaped hook, and the first hanging station is used to hang the middle part of the axle body of the wheelset on one side of the trolley; a second hanging portion is arranged on the top of the second C-shaped hook, and the second hanging portion is used to be connected to the steel wire rope of the hoisting device, and a second hanging station is arranged on the inner side of the bottom of the second C-shaped hook, and the second hanging station is used to hang the middle part of the axle body of the wheelset on one side of the trolley ; One end of each of the connecting rods is used for fixed connection with the first C-shaped hook, and the other end is used for fixed connection with the second C-shaped hook. When in use, the first hanging part and the second hanging part are respectively connected to the wire rope of the lifting device, and the first hanging station and the second hanging station are hung in the middle of the wheelset axle body on one side of the trolley. The lifting device lifts the wheelset and lifts the trolley, and the trolley is turned upward to prepare for the wheelset disassembly operation; when the wheelset is disassembled, since the axle box guide frame mouth of the trolley is vertically upward, the first hanging station and the second hanging station are hung in the middle of the wheelset axle body, and the wheelset can be smoothly lifted out of the axle box guide frame. The structure is simple, easy to use, effectively reduces the working time, and effectively ensures personal safety.
[0023] In a preferred embodiment, the first C-shaped hook and the second C-shaped hook have the same shape and are arranged in parallel, with a simple structure, ensuring stability and automatic adjustment and centering function during the lifting process.
[0024] In a preferred embodiment, the first hanging portion is a first lifting eye hole, and the second hanging portion is a second lifting eye hole, which has a simple structure and is convenient for connection with a steel wire rope of a lifting tool.
[0025] In a preferred embodiment, the number of the connecting rods is three, the three connecting rods are arranged in parallel, two of the connecting rods are respectively arranged on both sides of the first hanging station, and the other connecting rod is arranged on one side of the first lifting ring hole. The structure is simple and ensures the stability of the connection between the first C-shaped hook and the second C-shaped hook.
[0026] In a preferred embodiment, both sides of the first C-shaped hook and the second C-shaped hook are made of steel plates with a thickness of 28 to 32 mm, which has a simple structure and is easy to obtain.
[0027] In a preferred embodiment, the connecting rod is made of a round steel square tube with a diameter of 28 to 32 mm, which has a simple structure and is easy to obtain.
[0028] Specific production and use process
[0029] 1. Use 30mm thick steel plates to make the first C-shaped hook and the second C-shaped hook, and use 30mm diameter round steel square tubes to make three connecting rods. The connecting rods are welded on the C-shaped hooks with one on the upper part and two on the lower part of the sling to form an integral sling.
[0030] 2. The top of the wheelset and trolley lifting equipment is connected to the wire rope with a lifting ring.
[0031] 3. When flipping the trolley, use a crane to lift the lifting device, and one person will assist in hanging the lifting device on the middle of the wheelset axle on one side of the trolley, lift the wheelset and lift the trolley, flip the trolley upward, and prepare for the wheelset disassembly operation.
[0032] 4. When disassembling the wheelset, since the opening of the trolley axle box guide frame is vertically upward, one person assists in hanging the lifting device on the middle of the wheelset axle body. Since the lifting device has the function of automatic adjustment and centering, the wheelset can be smoothly lifted out of the axle box guide frame.
[0033] 5. Install the wheelset and flip the trolley by following the reverse process.
[0034] The present invention uses specific examples to illustrate the principle and implementation of the present invention. The above examples are only used to help understand the method and core idea of the present invention. At the same time, for those skilled in the art, according to the idea of the present invention, there will be changes in the specific implementation and application scope. In summary, the content of this specification should not be understood as limiting the present invention.
Claims
1. A railway vehicle wheelset and a trolley hoist, characterized in that: include: A first C-shaped hook, wherein a first hanging portion is disposed on the top of the first C-shaped hook, and the first hanging portion is used to be connected to a wire rope of a lifting device, and a first hanging station is disposed on the inner side of the bottom of the first C-shaped hook, and the first hanging station is used to hang the middle part of the axle body of a wheelset on one side of the trolley; A second C-shaped hook, wherein a second hanging portion is provided on the top of the second C-shaped hook, and the second hanging portion is used to be connected to the wire rope of the lifting device, and a second hanging station is provided on the inner side of the bottom of the second C-shaped hook, and the second hanging station is used to hang the middle part of the axle body of the wheelset on one side of the trolley; and A plurality of connecting rods, one end of each connecting rod is used for being fixedly connected to the first C-shaped hook, and the other end of each connecting rod is used for being fixedly connected to the second C-shaped hook.
2. The railway vehicle wheelset and trolley hoist according to claim 1, characterized in that: The first C-shaped hook and the second C-shaped hook have the same shape and are arranged in parallel.
3. The railway vehicle wheelset and trolley hoist according to claim 2, characterized in that: The first hanging portion is a first hanging eye hole, and the second hanging portion is a second hanging eye hole.
4. The railway vehicle wheelset and trolley hoist according to claim 3, characterized in that: The number of the connecting rods is three, and the three connecting rods are arranged in parallel. Two of the connecting rods are respectively arranged on both sides of the first hanging station, and the other connecting rod is arranged on one side of the first hanging ring hole.
5. The railway vehicle wheelset and trolley hoist according to claim 1, characterized in that: Both sides of the first C-shaped hook and the second C-shaped hook are made of steel plates with a thickness of 28 to 32 mm.
6. The railway vehicle wheelset and trolley hoist according to claim 1, characterized in that: The connecting rod is made of a round steel square tube with a diameter of 28 to 32 mm.