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 a lead screw device assembly. The pre-assembling assembly is arranged on the bottom frame, and the lead screw device assembly 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 sets can be simply, directly and quickly preassembled, the market and user requirements are met, and the wheel sets can be used independently 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 respectively sleeved into axle and preloaded, then is sent into press-fitting machine by transfer tool, for this, people have developed preloading machine, and it is understood that existing preloading machine has many styles, but still cannot meet market and user demand. Structure can be more simple, and preloading can be more direct. SUMMARY

[0003] In order to solve the technical problems of the prior art, the utility model provides a kind of wheel set preloading machine, which is simple in structure and can pre-load wheel set simply, directly and quickly, meeting 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 devices arranged symmetrically about an axis;

[0005] The preloading device includes a chassis, a preloading assembly and a screw rod device assembly; the preloading assembly is arranged on the chassis, and the screw rod device assembly 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 wheel supporting device is arranged below the wheel clamping device, and a preloading oil 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 wheel supporting device and the bracket bottom plate.

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

[0010] The screw rod device assembly has a support connected to the chassis, a screw rod sleeve is arranged on the support, a screw rod is arranged in the sleeve, one end of the screw rod is connected to a motor, the other end of the screw rod extends into the bracket, and the screw rod device is arranged below the preloading oil cylinder and parallel to the preloading oil cylinder.

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

[0012] The wheel supporting device is composed of two mountain-shaped clamping plates, a horizontal seat is connected below the two mountain-shaped clamping plates, a wheel supporting groove is arranged in the middle of the mountain-shaped clamping plates, a V-shaped supporting block is arranged in the middle of the wheel supporting groove, and an inclined plate and a stop block are respectively arranged at both ends of the V-shaped supporting block.

[0013] The utility model discloses a beneficial effect is, it clamps wheel and pushes more simple and convenient direct can fast preloading wheel pair, satisfies market and user demand, can single machine use, also can very good integration modern production line, simple structure, easy production and manufacture. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the front view of the utility model.

[0015] Figure 2 It is the installation schematic drawing of the wheel clamping device of the utility model.

[0016] Figure 3 It is the perspective view of the wheel supporting device of the utility model.

[0017] Figures 4-10 It is the preloading process schematic drawing of the utility model.

[0018] In the drawing,

[0019] 100 a wheel pair preloading machine;

[0020] 101 preloading device;

[0021] 1 base frame;

[0022] 2 preloading assembly, 21 support, 22 wheel clamping device, 23 wheel supporting device, 231 mountain-shaped clamping plate, 232 horizontal seat, 233 wheel supporting groove, 234 V-shaped supporting block, 235 inclined plate, 236 stopper, 24 preloading oil cylinder;

[0023] 3 screw rod device assembly, 31 support seat, 32 screw rod sleeve, 33 screw rod, 34 motor;

[0024] 4 first linear drive assembly;

[0025] 5 second linear drive assembly;

[0026] 6 cushion block;

[0027] 7 supporting shaft trolley;

[0028] 8 axle;

[0029] 9 wheel;

[0030] 10 nylon transition sleeve. DETAILED DESCRIPTION

[0031] The embodiments of the utility model are explained below in combination with the drawings, and it should be understood that the embodiments described here are only for explaining and explaining the utility model, and are not for limiting the utility model.

[0032] As Figures 1 to 10As shown, the utility model discloses a kind of wheelset preloading machines 100, it is formed by two sets of preloading devices 101 axial symmetry arrangement;Two sets of preloading devices are installed on mountain-shaped ground foundation;

[0033] The preloading device 101 described includes chassis 1, preloading assembly 2, screw rod device assembly 3, supporting wheel device 4 constitute;The preloading assembly is set on chassis, and the screw rod device assembly is set after preloading assembly;

[0034] The preloading assembly 2 has a bracket 21, and the bracket front panel is provided with wheel clamping device 22, and wheel clamping device is provided with supporting wheel device 23, and preloading cylinder 24 is provided in the middle shaft of bracket;

[0035] The first linear drive assembly 5 is provided between the bracket and the chassis.

[0036] The second linear drive assembly 6 is provided between the supporting wheel device and the bracket bottom plate.

[0037] The first and second linear drive assemblies are both realized by cylinder, guide rail and guide groove pair.

[0038] The screw rod device assembly 3 has a support 31 connected with the chassis, and the support is provided with a screw rod sleeve 32, and the sleeve is provided with a screw rod 33, and one end of the screw rod is connected with a motor 34, and the other end of the screw rod extends into the bracket, and the screw rod device is provided below the preloading cylinder and parallel to the preloading cylinder.

[0039] The screw rod device directly pushes the preloading assembly to preloading wheelset.

[0040] Four pads 7 are symmetrically provided on the bracket front panel, and the pads prevent the wheel from tilting when the wheel is clamped.

[0041] The supporting wheel device 4 is composed of two mountain-shaped clamping plates 41, and a horizontal seat 42 is connected below, and a supporting wheel groove 43 is provided in the middle of the mountain-shaped clamping plate, and a V-shaped supporting block 44 is provided in the middle of the supporting wheel groove, and inclined plates 45 and stop blocks 46 are respectively provided at both ends of the V-shaped supporting block.

[0042] The wheel clamping device has been described and disclosed in the applicant's previous application. Figure 2 As shown, the bracket front panel is provided with wheel clamping cylinder and upper and lower jaw mounting plates, and two jaws are symmetrically provided on the jaw mounting plate, and two sprockets are provided above and below the vertical frame, and one end of the chain on the upper sprocket is connected with the upper jaw mounting plate and passes through the sprocket, and the other end of the chain is connected with the lower jaw mounting plate, and one end of the chain on the lower sprocket is connected with the lower jaw mounting plate and passes through the sprocket, and the other end of the chain is connected with the upper jaw mounting plate, and a vertical guide shifting assembly is provided between the jaw mounting plate and the vertical bracket, and the wheel clamping cylinder is connected with and drives the upper jaw mounting plate.

[0043] As shown, Figures 4-10As shown, the pre-assembly process of the utility model is as follows:

[0044] Figure 4 The axle trolley sends the axle to the predetermined position, and the wheel rolls into the machine supporting wheel device and stops;

[0045] Figure 5 The left and right pre-assembly devices start to clamp the wheel, so that it reaches the predetermined center position;

[0046] Figure 6 After the wheel is clamped, the supporting wheel device retreats and retracts;

[0047] Figure 7 The left and right screw rod device assemblies start, push the pre-assembly device to the predetermined position, and the axle trolley lifts the axle to the pre-assembly height;

[0048] Figure 8 The left and right pre-assembly oil cylinders start, the piston rod extends and presses against the axle, the center is positioned into the shaft hole, and the axle is concentric with the wheel;

[0049] Figure 9 The left and right screw rod device assemblies push the pre-assembly device to perform the pre-assembly operation;

[0050] Figure 10 After the pre-assembly is completed, the axle trolley sends the pre-assembled wheel set to the next process, the left and right pre-assembly oil cylinders are reset, and the left and right pre-assembly devices are reset.

[0051] 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, the technical solutions recorded in the foregoing embodiments can still be modified, or some technical features can be replaced. 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 is composed of a base frame, a preloading assembly and a screw rod device assembly; the preloading assembly is arranged on the base frame, and the screw rod device assembly is arranged behind the preloading assembly; The preloading assembly is provided with a bracket, the front panel of the bracket is provided with a clamping wheel device, the clamping wheel device is provided with a supporting wheel device below, and the preloading cylinder is axially arranged in the middle of the bracket; The first linear drive assembly is arranged between the bracket and the base frame; 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 oil cylinder, guide rail and guide groove pair.

3. A wheelset pre-assembly machine as claimed in claim 1, characterized in that: The screw rod device assembly is provided with a support connected with the base frame, a screw rod sleeve arranged on the support, a screw rod arranged in the sleeve, a motor connected with one end of the screw rod, and the other end of the screw rod extending into the bracket; the screw rod device is arranged below the preloading cylinder and parallel to the preloading 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 pre-assembly machine as claimed in claim 1, characterized in that: The supporting wheel device is composed of two mountain-shaped clamping plates, a horizontal seat connected below, a supporting wheel groove arranged in the middle of the mountain-shaped clamping plate, a V-shaped supporting block arranged in the middle of the supporting wheel groove, and an inclined plate and a stop block arranged at both ends of the V-shaped supporting block.

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