Wheel set pre-assembling machine

By combining the robotic arm to grip the axle with the centering device, the problem of existing pre-assembly machines being unable to pre-assemble wheelsets and brake discs simultaneously has been solved, achieving a simple and efficient pre-assembly process on the same machine and meeting market demands.

CN223947230UActive Publication Date: 2026-02-27HUBEI HEQIANG MACHINERY DEV LIMITED BY SHARE
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Patent Information

Application Number
CN202520204768.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-10
Publication Date
2026-02-27
Estimated Expiration
2035-02-10

AI Technical Summary

Technical Problem

Existing pre-assembly machines cannot pre-assemble wheelsets and brake discs simultaneously, and the lifting process can easily damage the oiled surface. In particular, it is difficult to select a suitable lifting point for axles with gearboxes, making the pre-assembly process complicated.

Method used

The axle is lifted by a robotic arm and held by a center device. Combined with the axial drive assembly and guide assembly, the wheelset and brake disc are pre-assembled on the same machine, avoiding damage to the oiled surface.

Benefits of technology

It enables simultaneous pre-assembly of wheelsets and brake discs, simplifies the production process, meets market demands, avoids damage to the oiled surface, and has a simple structure that is easy to manufacture.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a wheel set preassembling machine which comprises a base, fixed vertical seats are symmetrically arranged at the two ends of the base, preassembling heads are symmetrically arranged in the two vertical seats, guide moving assemblies are arranged below the preassembling heads, the preassembling heads are connected with axial driving assemblies, and axial preassembling oil cylinders are arranged on the fixed vertical seats and can penetrate through central holes of the preassembling heads. And the preassembled oil cylinder is provided with a tip device. The wheel set and brake disc preassembling machine has the advantages that the mechanical arm is used for grabbing and lifting an axle, avoiding an oil coating face, jacking the axle through the center device, the preassembling head advances and retreats without hindrance, the wheel set and the brake disc can be preassembled on the same machine, the market blank is filled, and the market and user requirements are met. The structure is simple and production and manufacturing are easy.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of equipment machinery of rail transit, and specifically related to a kind of wheel set preloading machine. BACKGROUND

[0002] Before train wheel set, brake disc enters the fixed mounting of press loader, first wheel, brake disc sleeve is put into axle for preloading, then is sent into press loader by transfer tool, for this, people have developed preloading machine, it is learned that, existing preloading machine has many styles, can preloading wheel, but cannot preloading brake disc with machine;And preloading machine generally uses trolley to lift axle, because afraid of damaging the oiling section of wheel and brake disc, so it is troublesome to select lifting point, especially the axle with gear box is lifted, it is difficult to select appropriate lifting point under the condition of giving consideration to balance, furthermore, because trolley is arranged in preloading machine, preloading brake disc cannot be realized using preloading machine. SUMMARY

[0003] In order to solve the technical problems of the prior art, the utility model provides a kind of wheel set preloading machine, it can preloading wheel set and brake disc with machine, adopts mechanical hand to lift axle, avoids injury oiling surface, satisfies market and user demand.

[0004] In order to achieve the above-mentioned purpose, the technical scheme of the utility model is that a kind of wheel set preloading machine, it includes base, the fixed stand of base two ends is symmetric, two stand inner shaft is symmetric and is provided with preloading head, preloading head is provided with guide shift component downwards, preloading head is connected with axial driving component, and its characteristics are that: the fixed stand is provided with axial preloading oil cylinder, it can pass through the center hole of preloading head, and the preloading oil cylinder piston rod is provided with centre point device before.

[0005] The axial driving component is arranged in the fixed stand or the base.

[0006] The guide shift component is guide rail guide groove pair.

[0007] The axial driving component is oil cylinder or electric screw rod device.

[0008] The preloading head includes base frame and preloading component;The preloading component is arranged on the base frame.

[0009] The preloading component has a support, the front panel of support is provided with wheel clamping device, and the wheel clamping device is provided with wheel supporting device downwards.

[0010] The front panel of support is symmetrically provided with four pads.

[0011] The wheel supporting device is composed of two mountain-shaped clamping plates, which are connected to a horizontal seat, a wheel supporting groove is arranged in the middle of the mountain-shaped clamping plate, a V-shaped supporting block is arranged in the middle of the wheel supporting groove, and a slope plate and a stop block are arranged at both ends of the V-shaped supporting block.

[0012] The utility model discloses a beneficial effect is, adopt the mechanical hand to lift the axle, avoid the oiling surface, the top device top holds the axle, and the preloading head has no hindrance to go and come back, can same machine preloading wheel pair and brake disc, fill the market blank, satisfy market and user demand. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is the front view of the utility model.

[0014] Figure 2 It is the installation schematic drawing of the wheel clamp device of the utility model.

[0015] Figure 3 It is the perspective view of the wheel support device of the utility model.

[0016] Figures 4-15 It is the process schematic drawing of the preloading brake disc of the utility model.

[0017] Figures 16-21 It is the process schematic drawing of the preloading wheel pair of the utility model.

[0018] In the drawing,

[0019] 100 a wheel pair preloading machine;

[0020] 1 base;

[0021] 2 fixed stand, 21 axial drive assembly, 22 axial preloading oil cylinder, 2a top device;

[0022] 3 preloading head, 31 guide shift assembly, 32 chassis, 33 preloading assembly, 3A support, 3B cushion block, 3D wheel clamp device, 3E wheel support device, 3a gable clamping plate, 3b cross seat, 3c wheel support groove, 3d V-shaped supporting block, 3e inclined plate, 3f stop block;

[0023] 4 axle;

[0024] 5 wheel;

[0025] 6 brake disc;

[0026] 7 nylon transition sleeve. DETAILED DESCRIPTION

[0027] The embodiments of the utility model are described below in combination with the drawings, and it should be understood that the embodiments described here are only for illustrating and explaining the utility model, and are not for limiting the utility model.

[0028] As Figures 1 to 21As shown, the utility model discloses a kind of wheelset preloading machine 100, it includes base 1, the two ends of base are symmetrically provided with fixed pedestal 2, two pedestal inner axis is symmetrically provided with preloading head 3, preloading head is provided with guide shift component 31 below, preloading head is connected with axial drive component 21, the fixed pedestal is provided with axial preloading oil cylinder 22, it can pass through preloading head center hole, the preloading oil cylinder piston rod is provided with nosepiece device 2a before.

[0029] The axial drive component is arranged in the fixed pedestal, and can be arranged at any position in the pedestal, or arranged in the base, connected and driven the guide shift component.

[0030] The guide shift component 31 is a guide rail guide groove pair.

[0031] The axial drive component 21 is an oil cylinder or an electric screw rod device.

[0032] The preloading head has been described and disclosed in the previous application of the applicant.

[0033] The preloading head includes a chassis 32 and a preloading component 33.

[0034] The preloading component is arranged on the chassis, and the preloading component has a bracket 3A.

[0035] Four pads 3B are symmetrically arranged on the bracket front panel.

[0036] The wheel supporting device 3E is composed of two mountain-shaped clamping plates 3a, a horizontal seat 3b is connected below, a wheel supporting groove 3c is arranged in the middle of the mountain-shaped clamping plate, a V-shaped supporting block 3d is arranged in the middle of the wheel supporting groove, and a slope plate 3e and a stop block 3f are arranged at both ends of the V-shaped supporting block.

[0037] The wheel clamping device has been described in detail before, such as Figure 2 As shown, a wheel clamping oil cylinder and an upper and lower jaw mounting plate are arranged on the bracket front panel, two jaws are symmetrically arranged on the jaw mounting plate, two chain wheels are arranged on the vertical frame, one end of the chain on the upper chain wheel is connected to the upper jaw mounting plate and passes through the chain wheel, and the other end is connected to the lower jaw mounting plate, one end of the chain on the lower chain wheel is connected to the lower jaw mounting plate and passes through the chain wheel, and the other end is connected to the upper jaw mounting plate, a vertical guide shift component is arranged between the jaw mounting plate and the vertical bracket, and the wheel clamping oil cylinder is connected and drives the upper jaw mounting plate.

[0038] As shown, Figures 4-15 The preloading brake disc process of the utility model is as follows:

[0039] Figure 4 The preloading starts, the brake disc enters the right preloading head, and is temporarily stopped in the wheel supporting device.

[0040] Figure 5 The clamping wheel device in the pre-assembly head is started to clamp the brake disc to reach a predetermined center position;

[0041] Figure 6 The axle is hoisted into the center of the machine by the mechanical arm of the workshop;

[0042] Figure 7 The left and right pre-assembly cylinder piston rods are extended to abut against the axle, the center of the axle is positioned by inserting the center of the axle into the positioning hole of the center of the axle, and the axle is concentric with the brake disc;

[0043] Figure 8 The right axial driving assembly (the cylinder in the machine) is extended to push the pre-assembly head to complete the pre-assembly operation;

[0044] Figure 9 After the pre-assembly is completed, the axle is hoisted away by the mechanical arm, and the left and right cylinders and the pre-assembly head are reset;

[0045] Figure 10 The pre-assembly starts, the left and right brake discs enter the left and right pre-assembly heads, and are temporarily stopped in the supporting wheel device;

[0046] Figure 11 The clamping wheel device in the pre-assembly head is started to clamp the brake disc to reach a predetermined center position;

[0047] Figure 12 The axle is hoisted into the center of the machine by the mechanical arm of the workshop;

[0048] Figure 13 The left and right pre-assembly cylinder piston rods are extended to abut against the axle, the center of the axle is positioned by inserting the center of the axle into the positioning hole of the center of the axle, and the axle is concentric with the brake disc;

[0049] Figure 14 The left and right axial driving assemblies (the cylinders in the machine) are extended to push the pre-assembly head to complete the pre-assembly operation;

[0050] Figure 15 After the pre-assembly is completed, the axle is hoisted away by the mechanical arm, and the left and right cylinders and the pre-assembly head are reset.

[0051] As shown in Figures 16-21 , the pre-assembly wheel process of the utility model is as follows:

[0052] Figure 16 The pre-assembly starts, the left and right brake discs enter the left and right pre-assembly heads, and are temporarily stopped in the supporting wheel device;

[0053] Figure 17 The clamping wheel device in the pre-assembly head is started to clamp the brake disc to reach a predetermined center position;

[0054] Figure 18 The axle is hoisted into the center of the machine by the mechanical arm of the workshop;

[0055] Figure 19 The left and right preloading cylinder piston rods are extended to abut against the axle, and the center of the centering device is inserted into the axle end positioning hole to position the axle and the wheel concentrically;

[0056] Figure 20 The left and right axial driving assemblies (the cylinders in the drawings) are extended to push the preloading head to complete the preloading operation;

[0057] Figure 21 After the preloading is completed, the mechanical hand hoists the wheel pair into the next process, and the left and right cylinders and the preloading head are reset.

[0058] The above is only one of the embodiments of the present application and is not used to limit the present application. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or equivalently replace some of the technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A wheelset pre-assembly machine, comprising a base, fixed supports symmetrically arranged at both ends of the base, pre-assembly heads symmetrically arranged within the two supports, a guide assembly below the pre-assembly head, and an axial drive assembly connected to the pre-assembly head, characterized in that: The fixed stand is provided with an axial preloading oil cylinder which can pass through the center hole of the preloading head.

2. A wheelset preassembling machine as claimed in claim 1, characterized in that: The axial driving assembly is arranged in the fixed stand or the base.

3. A wheelset pre-assembly machine as claimed in claim 1, characterized in that: The guide and moving assembly is a guide rail and guide groove pair.

4. A wheelset pre-assembly machine as claimed in claim 1, characterized in that: The axial driving assembly is an oil cylinder or an electric screw rod device.