Wheel set pre-assembling machine

Abstract

A wheel set pre-assembling machine is formed by two sets of pre-assembling devices which are arranged in an axial symmetry mode. The preassembling device comprises a bottom frame, a preassembling assembly and an oil cylinder device. The pre-assembling assembly is arranged on the bottom frame, and the oil cylinder device is arranged behind the pre-assembling assembly. The preassembling assembly is provided with a support, a clamping wheel device is arranged on a front panel of the support, a riding wheel device is arranged below the clamping wheel device, and a preassembling oil cylinder is axially arranged in the middle of the support. A first linear driving assembly is arranged between the support and the bottom frame. And a second linear driving assembly is arranged between the riding wheel device and the bracket bottom plate. The wheel set pre-assembling device has the advantages that the wheel set pre-assembling device can simply, conveniently, directly and quickly pre-assemble wheel sets, meets market and user requirements, can be used in a single machine and can also be well integrated into a modern production line; the structure is simple and production and manufacturing are easy.

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 enters the press-fitting machine and is fixed, a pair of wheels is first fitted into axle for preloading, then is sent into press-fitting machine by transfer tool, for this, people have developed preloading machine, it is understood that existing preloading machine has many styles, but still cannot meet market and user demand. Structure can be more simple, preloading can be more direct. SUMMARY

[0003] In order to solve the deficiencies of the prior art, the utility model provides a kind of wheel set preloading machine, it is simple and reasonable in structure, can simply and directly and quickly preloading wheel set, meet market and user demand.

[0004] In order to achieve the above purpose, the technical scheme of the utility model is that a kind of wheel set preloading machine is formed by two sets of preloading device axis symmetry settings;

[0005] The preloading device includes a chassis, a preloading assembly and a cylinder device;The preloading assembly is arranged on the chassis, and the cylinder device is arranged behind the preloading assembly.

[0006] The preloading assembly has a bracket, a wheel clamping device is arranged on the front panel of the bracket, a roller device is arranged below the wheel clamping device, and a preloading cylinder is arranged axially in the middle of the bracket.

[0007] A first linear drive assembly is arranged between the bracket and the chassis.

[0008] A second linear drive assembly is arranged between the roller device and the bracket bottom plate.

[0009] The first and second linear drive assemblies are both realized by cylinder, guide rail and guide groove pair.

[0010] The cylinder device has a mounting seat arranged on the chassis and behind the bracket, an oil cylinder is arranged axially on the mounting seat, and the piston rod end of the oil cylinder is connected to the bracket and coaxial with the preloading cylinder.

[0011] Four pads are symmetrically arranged on the front panel of the bracket.

[0012] The first and second linear drive assemblies are both realized by cylinder, guide rail and guide groove pair.

[0013] The cylinder device has a mounting seat arranged on the chassis and behind the bracket, an oil cylinder is arranged axially on the mounting seat, and the piston rod end of the oil cylinder is connected to the bracket and coaxial with the preloading cylinder.

[0014] The four cushion blocks are symmetrically arranged on the front panel of the support frame.

[0015] The supporting wheel device is composed of two mountain-shaped clamping plates, a horizontal seat is connected to the bottom of the two mountain-shaped clamping plates, a supporting wheel groove is arranged in the middle of the mountain-shaped clamping plates, a V-shaped supporting block is arranged in the middle of the supporting wheel groove, and an inclined plate and a stopper are arranged at the two ends of the V-shaped supporting block.

[0016] The wheel clamping and pushing device has the advantages that it is simple in structure, easy to produce and manufacture, and can meet the market and user demands. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 is the front view of the utility model.

[0018] Figure 2 is the installation schematic view of the wheel clamping device.

[0019] Figure 3 is the perspective view of the supporting wheel device.

[0020] Figures 4-10 is the schematic view of the pre-assembly process.

[0021] IN THE DRAWINGS

[0022] 100 a wheel set pre-assembly machine;

[0023] 101 a pre-assembly device;

[0024] 1 a base frame;

[0025] 2 a pre-assembly assembly, 21 a support frame, 22 a wheel clamping device, 23 a supporting wheel device, 231 a mountain-shaped clamping plate, 232 a horizontal seat, 233 a supporting wheel groove, 234 a V-shaped supporting block, 235 an inclined plate, 236 a stopper, and 24 a pre-assembly oil cylinder;

[0026] 3 an oil cylinder device, 31 a mounting seat, and 32 an oil cylinder;

[0027] 4 a first linear drive assembly;

[0028] 5 a second linear drive assembly;

[0029] 6 a cushion block;

[0030] 7 a supporting shaft trolley;

[0031] 8 an axle;

[0032] 9 a wheel;

[0033] 10 a nylon transition sleeve. DETAILED DESCRIPTION

[0034] The embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood that the embodiments described herein are for illustration and explanation only and are not intended to limit the present invention.

[0035] like Figures 1 to 10 As shown, this utility model discloses a wheelset pre-assembly machine 100, which is composed of two pre-assembly devices 101 arranged symmetrically along an axis.

[0036] The pre-assembly device 101 comprises a base frame 1, a pre-assembly assembly 2, a hydraulic cylinder device 3, and a support roller device 4; the pre-assembly assembly is mounted on the base frame, and the hydraulic cylinder device is mounted behind the pre-assembly assembly.

[0037] The pre-installed component 2 has a bracket 21, a clamping wheel device 22 on the front plate of the bracket, a supporting wheel device 23 below the clamping wheel device, and a pre-installed hydraulic cylinder 24 axially located in the middle of the bracket.

[0038] A first linear drive assembly 5 is provided between the bracket and the base frame;

[0039] A second linear drive assembly 6 is provided between the roller support device and the base plate of the bracket.

[0040] Both the first and second linear drive components are hydraulic cylinders equipped with guide rails and guide grooves for driving.

[0041] The hydraulic cylinder device 3 has a mounting base 31 set on the base frame and behind the bracket. The mounting base is axially mounted with a hydraulic cylinder 32, the piston rod end of which is connected to the bracket and coaxial with the pre-installed hydraulic cylinder. This hydraulic cylinder directly pushes the pre-installed components forward to the pre-installed wheelset.

[0042] The front panel of the bracket has four symmetrical pads 7 arranged on the top and bottom to cushion the wheels and prevent them from tilting when clamping them.

[0043] The roller support device 4 consists of two mountain-shaped clamping plates 41 connected to a horizontal seat 42. A roller support groove 43 is provided in the middle of the mountain-shaped clamping plates, and a V-shaped support block 44 is provided in the middle of the roller support groove. An inclined plate 45 and a stop block 46 are provided at both ends of the V-shaped support block.

[0044] The aforementioned clamping wheel device has been described and disclosed in previous applications of the applicant. For example... Figure 2 As shown, the front panel of the bracket is equipped with a clamping wheel cylinder and upper and lower clamping claw mounting plates. Two clamping claws are symmetrically arranged on the clamping claw mounting plates. On the upright frame, there are two sprockets, one on the upper sprocket and one on the lower sprocket. The chain on the upper sprocket is connected to the upper clamping claw mounting plate at one end, passes around the sprocket, and connects to the lower clamping claw mounting plate at the other end. The chain on the lower sprocket is connected to the lower clamping claw mounting plate at one end, passes around the sprocket, and connects to the upper clamping claw mounting plate at the other end. A vertical guide component is provided between the clamping claw mounting plate and the upright bracket. The clamping wheel cylinder is connected to and drives the upper clamping claw mounting plate.

[0045] As Figures 4-10 shown in the utility model preloading process as follows:

[0046] Figure 4 , the axle car will be sent to the predetermined position, while the wheel rolls into the machine to stop the temporary support;

[0047] Figure 5 , left and right preloading device clamping wheel device to start clamping wheel, so that it reaches the predetermined center position;

[0048] Figure 6 , clamping wheel, the wheel device retreats back;

[0049] Figure 7 , left and right cylinder device starts, push preloading device to reach the predetermined position, the axle car will be held to the preloading height;

[0050] Figure 8 , left and right preloading cylinder starts, the piston rod extends to stop the axle, the center enters the shaft hole positioning, so that the axle and wheel concentric;

[0051] Figure 9 , left and right cylinder device push preloading device preloading operation;

[0052] Figure 10 , preloading, the axle car will be sent to the next process of preloading wheelset, left and right preloading cylinder reset, left and right preloading device reset.

[0053] The above is only one of the embodiments of the utility model and is not used to limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art, it still can modify the technical scheme recorded in the foregoing embodiments, or equivalent replacement for part of the technical features. Any modification, equivalent replacement, improvement, etc. within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. A wheelset preloading machine characterized by: It is composed of two sets of preloading device axisymmetrically arranged; The preloading device comprises a chassis, a preloading assembly and an oil cylinder device; the preloading assembly is arranged on the chassis, and the oil cylinder device is arranged behind the preloading assembly; The preloading assembly has a bracket, the front panel of the bracket is provided with a wheel clamping device, the wheel clamping device is provided with a supporting wheel device below, and the preloading oil cylinder is axially arranged in the middle of the bracket; The first linear drive assembly is arranged between the bracket and the chassis; The second linear drive assembly is arranged between the supporting wheel device and the bracket bottom plate.

2. A wheelset preassembling machine as claimed in claim 1, characterized in that: The first and second linear drive assemblies are both realized by an oil cylinder matched with a guide rail and guide groove pair.

3. A wheelset pre-assembly machine as claimed in claim 1, characterized in that: The oil cylinder device has a mounting seat arranged on the chassis and behind the bracket, and the oil cylinder is axially arranged on the mounting seat, with the piston rod end connected to the bracket and coaxial with the preloading oil cylinder.

4. A wheelset pre-assembly machine as claimed in claim 1, characterized in that: Four cushion blocks are symmetrically arranged on the front panel of the bracket.

5. A wheelset preloading machine as claimed in claim 1, characterized in that: The supporting wheel device is composed of two mountain-shaped clamping plates, which are connected to a horizontal seat, and the mountain-shaped clamping plates are provided with a supporting wheel groove in the middle, a V-shaped supporting block is arranged in the middle of the supporting wheel groove, and the V-shaped supporting block is provided with an inclined plate and a stop block at both ends.

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