CN104062119A - Adjustment testbed for split bullet train wheel pair hollow shaft sleeve - Google Patents
Adjustment testbed for split bullet train wheel pair hollow shaft sleeve Download PDFInfo
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- CN104062119A CN104062119A CN201410320805.4A CN201410320805A CN104062119A CN 104062119 A CN104062119 A CN 104062119A CN 201410320805 A CN201410320805 A CN 201410320805A CN 104062119 A CN104062119 A CN 104062119A
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Abstract
The invention provides an adjustment testbed for a split bullet train wheel pair hollow shaft sleeve and belongs to the field of railway vehicle split hollow shaft wheel pair sleeve adjustment devices. The testbed comprises a platform, two V-shaped block assemblies, two small pressing assemblies and two large pressing assemblies, wherein each V-shaped block assembly comprises a V-shaped block and two damping and anti-skidding cushion blocks. A half window of a hollow shaft can be supported and positioned by the platform with the two V-shaped block assemblies, two lead screws opposite in direction are utilized for pushing a wheel rim and the half window respectively so as to provide large enough thrust for overcoming friction force, and the micro-distance displacement adjustment between an axle and the half window and the assembly process of an adjusting gasket can be completed in an auxiliary mode. Besides, the adjusting testbed has the advantages of being easy to operate, low in cost, high in control accuracy and the like.
Description
Technical field
The invention belongs to rail vehicle Split type hollow arbor wheel to sleeve debugging device field, be specifically related to a kind of for split type motor car wheel the testing table of debuging to tubular shaft sleeve.
Background technology
Leading portion and the back segment of tubular shaft sleeve are respectively equipped with bearing groove, for loading wheel set bearing.But the motor car wheel of South Africa 5M-M type train is to being Split type hollow shaft sleeve power transmission form, its transmission principle and the domestic integral tubular shaft sleeve kind of drive are similar, but its tubular shaft sleeve is divided into two along self rotation, with boss is that half brush portion is divided, not with boss be half-window part, the two can fasten.The right tubular shaft sleeve of the split type motor car wheel of this class can not as conventional wheel to lift, place and assemble.
As shown in Figure 1 to Figure 3, when wheel rim 6 is assembled with tubular shaft sleeve, first by half-window 7 with partly brush 8 splits, and half-window 7 opening upwards are fixed, then, with the wheel set bearing 5-1 on axletree 5, wheel rim 6 is fixed on to one end of axletree, then by axletree 5 together with wheel rim 6 integral hoistings, make the half-window bearing groove 7-1 of wheel set bearing 5-1 in top falls into half-window 7.Now, between wheel set bearing outer rim 5-1-1 and half-window bearing groove 7-1-1, still leave larger clearance D, this clearance D need to be controlled in 0.25mm by designing requirement, therefore need to use clearance gauge respectively to the clearance D detection that carries out an acceptance inspection, and use the trimmer of different-thickness to adjust clearance distance according to error size, so that its clearance D width finally meets acceptance requirement.
Because the motor car wheel assembling is very heavy to assembly, after it falls into half-window bearing groove 7-1-1, friction force when transmission is vertically very large, cause the microspur gap adjustment of wheel set bearing very difficult, be difficult to control adjustment precision, therefore, be badly in need of a set of experiment table of debuging that is applicable to above-mentioned assembling work of development.
Summary of the invention
In order to solve existing split type motor car wheel, right tubular shaft sleeve lacks the special experiment table of debuging, there is many difficulties in its lifting, placement and assembling and follow-up test adjustment process, especially between uncontrollable wheel set bearing and half-window bearing groove, precision is debug in gap, cause debug difficult quality ensure technical matters, the invention provides a kind of for split type motor car wheel the testing table of debuging to tubular shaft sleeve.
The technical scheme that technical solution problem of the present invention is taked is as follows:
For the debug testing table of split type motor car wheel to tubular shaft sleeve, it is characterized in that: this testing table comprise platform, two V-block assemblies, two little hold down assembly and two hold down assembly greatly, V-block assembly comprises V-block and two damping and slide-prevention cushion blocks, the upper surface of V-block is provided with V-type groove, and two damping and slide-prevention cushion block symmetries are fixed on the madial wall of V-type groove; Described two V-block assembly symmetries are fixed on the both sides of platform, and its two two V-type grooves are in alignment with each other along fluting direction; The middle part of described platform is provided with two little installation position and two installation positions that hold down assembly greatly of holding down assembly; Two little hold down assembly installation position taking the line at two V-type groove centers as axis of symmetry symmetrical; Two installation positions that hold down assembly are greatly symmetrical in the same way, and the spacing of its two two little installation positions that hold down assembly of gap ratio is large; Each is little, and hold down assembly installation position or the installation position that holds down assembly greatly includes four bolt holes;
Described little holding down assembly comprises the first holder, the first supporting base, the first feed screw nut, the first moment of torsion termination, the first leading screw, the first leading screw anticreep annular groove, the first top and the first anticreep bolt, and the first holder is provided with four the first vertical bolt positioning holes; The sidewall of the first moment of torsion termination is provided with the first crowbar jack, and the sidewall of the first top is respectively equipped with the first anticreep screw and a first angular setting through hole of two perforations; The first feed screw nut lower end is connected by the first supporting base and the first holder, and the first leading screw is threaded with the first feed screw nut; The first moment of torsion termination and the first leading screw anticreep annular groove lay respectively at the front-end and back-end of the first leading screw one-body molded with the first leading screw; The first top is enclosed within the first leading screw anticreep annular groove outside, and two the first anticreep bolts are respectively through the first corresponding anticreep screw, and the front end of the first anticreep bolt inserts in the first leading screw anticreep annular groove;
Described holding down assembly greatly comprises the second holder, the second supporting base, the second feed screw nut, the second moment of torsion termination, the second leading screw, the second leading screw anticreep annular groove, the second top and the second anticreep bolt, and the second holder is provided with four the second vertical bolt positioning holes; The sidewall of the second moment of torsion termination is provided with the second crowbar jack, and the sidewall of the second top is respectively equipped with the second anticreep screw and a second angular setting through hole of two perforations; The second feed screw nut lower end is connected by the second supporting base and the second holder, and the second leading screw is threaded with the second feed screw nut; The second moment of torsion termination and the second leading screw anticreep annular groove lay respectively at the front-end and back-end of the second leading screw one-body molded with the second leading screw; The second top is enclosed within the second leading screw anticreep annular groove outside, and two the second anticreep bolts are respectively through the second corresponding anticreep screw, and the front end of the second anticreep bolt inserts in the second leading screw anticreep annular groove;
Described little holding down assembly is connected by the bolt little installation position that holds down assembly corresponding with respectively, holds down assembly greatly and is connected by the bolt installation position that holds down assembly greatly corresponding with respectively; The little moment of torsion termination holding down assembly and hold down assembly is greatly relative, and the axis of the first leading screw and the second leading screw is all parallel with the fluting direction of the V-type groove of two V-block assemblies;
Described the second supporting base is higher than the first supporting base.
The invention has the beneficial effects as follows: the platform with two V-block assemblies can support and locate the half-window of tubular shaft, make to utilize each other reverse two cocainine thick sticks promote respectively wheel rim and half-window so that powerful thrust overcome friction to be provided enough, can assist microspur adjustment of displacement between axletree and half-window and the assembling process of adjustment pad.In addition, this debug testing table also have easy and simple to handle, with low cost, control accuracy advantages of higher.
Brief description of the drawings
Fig. 1 is the axletree of existing Split type hollow shaft sleeve and the assembling schematic diagram of half-window, half brush and wheel rim;
Fig. 2 is the vertical view after existing axletree and half-window assembling;
Fig. 3 is the partial enlarged drawing of I part in Fig. 2;
Fig. 4 be the present invention for split type motor car wheel the stereographic map of debuging testing table to tubular shaft sleeve;
Fig. 5 is the stereographic map of V-block assembly of the present invention;
Fig. 6 is the assembling schematic diagram of V-block assembly of the present invention and platform;
Fig. 7 is the little stereographic map holding down assembly of the present invention;
Fig. 8 is the explosive view of Fig. 7;
Fig. 9 is the axial section of Fig. 7;
Figure 10 is the stereographic map that the present invention holds down assembly greatly
Figure 11 be the present invention for split type motor car wheel the application schematic diagram of debuging testing table to tubular shaft sleeve;
Figure 12 is the side view of Figure 11;
Figure 13 is the vertical view of Figure 11.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in further details.
As shown in Fig. 4 to Figure 13, the present invention is for the debug testing table of split type motor car wheel to tubular shaft sleeve, comprise platform 1, two V-block assemblies 2, two little hold down assembly 3 and two hold down assembly greatly 4, V-block assembly 2 comprises V-block 2-1 and two damping and slide-prevention cushion block 2-2, the upper surface of V-block 2-1 is provided with V-type groove, and two damping and slide-prevention cushion block 2-2 symmetries are fixed on the madial wall of V-type groove.Two V-block assembly 2 symmetries are fixed on the both sides of platform 1, and its two two V-type grooves are in alignment with each other along fluting direction; The middle part of platform 1 is provided with two little installation position 1-1 and two installation position 1-2 that hold down assembly greatly of holding down assembly.Two little hold down assembly installation position 1-1 taking the line at two V-type groove centers as axis of symmetry symmetrical; Two installation position 1-2 that hold down assembly are greatly symmetrical in the same way, and the spacing of two little installation position 1-1 that hold down assembly of its two gap ratio is large; Each is little, and hold down assembly installation position 1-1 or the installation position 1-2 that holds down assembly greatly includes four bolt holes.
Little holding down assembly 3 comprises the first holder 3-1, the first supporting base 3-2, the first feed screw nut 3-3, the first moment of torsion termination 3-4, the first leading screw 3-5, the first leading screw anticreep annular groove 3-6, the first top 3-7 and the first anticreep bolt 3-8, and the first holder 3-1 is provided with four the first vertical bolt positioning hole 3-1-1.The sidewall of the first moment of torsion termination 3-4 is provided with the first crowbar jack 3-4-1, and the sidewall of the first top 3-7 is respectively equipped with the first anticreep screw 3-7-1 and a first angular setting through hole 3-7-2 of two perforations.The first feed screw nut 3-3 lower end is connected by the first supporting base 3-2 and the first holder 3-1, and the first leading screw 3-5 is threaded with the first feed screw nut 3-3; The first moment of torsion termination 3-4 and the first leading screw anticreep annular groove 3-6 lay respectively at the front-end and back-end of the first leading screw 3-5 one-body molded with the first leading screw 3-5.The first top 3-7 is enclosed within the first leading screw anticreep annular groove 3-6 outside, and two the first anticreep bolt 3-8 are respectively through the first corresponding anticreep screw 3-7-1, and the front end of the first anticreep bolt 3-8 inserts in the first leading screw anticreep annular groove 3-6.
Holding down assembly greatly 4 comprises the second holder 4-1, the second supporting base 4-2, the second feed screw nut 4-3, the second moment of torsion termination 4-4, the second leading screw 4-5, the second leading screw anticreep annular groove 4-6, the second top 4-7 and the second anticreep bolt 4-8, and the second holder 4-1 is provided with four the second vertical bolt positioning hole 4-1-1.The sidewall of the second moment of torsion termination 4-4 is provided with the second crowbar jack 4-4-1, and the sidewall of the second top 4-7 is respectively equipped with the second anticreep screw 4-7-1 and a second angular setting through hole 4-7-2 of two perforations; The second feed screw nut 4-3 lower end is connected by the second supporting base 4-2 and the second holder 4-1, and the second leading screw 4-5 is threaded with the second feed screw nut 4-3.The second moment of torsion termination 4-4 and the second leading screw anticreep annular groove 4-6 lay respectively at the front-end and back-end of the second leading screw 4-5 one-body molded with the second leading screw 4-5; The second top 4-7 is enclosed within the second leading screw anticreep annular groove 4-6 outside, and two the second anticreep bolt 4-8 are respectively through the second corresponding anticreep screw 4-7-1, and the front end of the second anticreep bolt 4-8 inserts in the second leading screw anticreep annular groove 4-6.
Little holding down assembly 3 is connected by the bolt little installation position 1-1 that holds down assembly corresponding with respectively, holds down assembly greatly 4 to be connected by the bolt installation position 1-2 that holds down assembly greatly corresponding with respectively.Littlely hold down assembly 3 relatively with 4 the moment of torsion termination of holding down assembly greatly, the axis of the first leading screw 3-5 and the second leading screw 4-5 is all parallel with the fluting direction of the V-type groove of two V-block assemblies 2.
Concrete application split type motor car wheel of the present invention is during to the debuging testing table axletree 5, wheel rim 6 and tubular shaft sleeve are carried out to assembling operation of tubular shaft sleeve, first with the wheel set bearing 5-1 on axletree 5, wheel rim 6 is fixed on to one end of axletree, again by half-window 7 with partly brush 8 splits, and the half-window of tubular shaft sleeve 7 opening upwards are seated on the V-type groove of two V-block assemblies 2.Then, again by axletree 5 together with wheel rim 6 integral hoistings, the first wheel set bearing 5-1 is fallen into be arranged in the first half-window bearing groove 7-1 of half-window 7 one end from top, now, between wheel set bearing outer rim 5-1-1 and half-window bearing groove 7-1-1, still leave larger clearance D, and the second wheel set bearing 5-2 just falls into the second half-window bearing groove 7-2 that is arranged in half-window 7 other ends.
Insert the first crowbar jack 3-4-1 with crowbar, to prize the first leading screw 3-5, make its rotation and extend to the direction at the first half-window bearing groove 7-1 place, until the sidewall of the first top 3-7 and wheel rim 6 is pressed close to; Make in the same way the second leading screw 4-5 rotation and extend to the direction at the second half-window bearing groove 7-2 place, until the second top 4-7 contacts with the lateral wall 7-2-1 of the second half-window bearing groove 7-2.
Further adjust the length of the second leading screw 4-5, the axial adjustment thrust that can apply to half-window 7, makes half-window 7 along its axially accurate play.Coordinating the length of adjusting the first leading screw 3-5, can apply reverse acting force to wheel rim 6, is that wheel rim 6 drives the first wheel set bearing 5-1 and axletree 5 together towards moving away from the direction of the first half-window bearing groove 7-1.Width that thus can accurate adjustment clearance D.
Measure the width of the clearance D between wheel set bearing outer rim 5-1-1 and half-window bearing groove 7-1-1 and select accordingly the appropriate adjustment pad of thickness, then adjusting pad and fill in clearance D, more again the width of clearance D is measured and adjusted.Repeat above-mentioned measurement and fill in the overload of adjusting pad, until clearance D finally meets acceptance requirement, can fasten and be connected with half-window 7 partly brushing 8, complete axletree 5, wheel rim 6 and tubular shaft sleeve are carried out to assembling operation.
The first angular setting through hole 3-7-2 or the second angular setting through hole 4-7-2 are all identical with effect with the structure of the first crowbar jack 3-4-1, and operating personnel can choose at random and use according to the operating space of crowbar.The second supporting base 4-2 is higher than the first supporting base 3-2, to avoid the first leading screw 3-5 and the second leading screw 4-5 interference and collision each other when flexible.The spacing of two installation position 1-2 that hold down assembly is greatly larger, can make the first leading screw 3-5 be stopped by the first half-window bearing groove 7-1 in the time extending.The spacing of two little installation position 1-1 that hold down assembly just makes the second leading screw 4-5 after elongation, can withstand on the lateral wall 7-2-1 of the second half-window bearing groove 7-2.
Platform with two V-block assemblies can support and locate the half-window of tubular shaft, make to utilize each other reverse two cocainine thick sticks promote respectively wheel rim and half-window so that powerful thrust overcome friction to be provided enough, can assist microspur adjustment of displacement between axletree and half-window and the assembling process of adjustment pad.In addition, this debug testing table also have easy and simple to handle, with low cost, control accuracy advantages of higher.
Claims (1)
1. the testing table of debuging to tubular shaft sleeve for split type motor car wheel, it is characterized in that: this testing table comprises platform (1), two V-block assemblies (2), two little holding down assembly (3) and two hold down assembly greatly (4), V-block assembly (2) comprises V-block (2-1) and two damping and slide-prevention cushion blocks (2-2), the upper surface of V-block (2-1) is provided with V-type groove, and two damping and slide-prevention cushion blocks (2-2) symmetry is fixed on the madial wall of V-type groove; Described two V-block assemblies (2) symmetry is fixed on the both sides of platform (1), and its two two V-type grooves are in alignment with each other along fluting direction; The middle part of described platform (1) is provided with two little installation positions that hold down assembly (1-1) and two installation positions (1-2) that hold down assembly greatly; Two little installation positions that hold down assembly (1-1) taking the line at two V-type groove centers as axis of symmetry symmetrical; Two installation positions (1-2) that hold down assembly are greatly symmetrical in the same way, and the spacing of its two little installation positions that hold down assembly of the two gap ratio (1-1) is large; Each little installation position that holds down assembly (1-1) or the installation position (1-2) that holds down assembly greatly include four bolt holes;
Described little holding down assembly (3) comprises the first holder (3-1), the first supporting base (3-2), the first feed screw nut (3-3), the first moment of torsion termination (3-4), the first leading screw (3-5), the first leading screw anticreep annular groove (3-6), the first top (3-7) and the first anticreep bolt (3-8), and the first holder (3-1) is provided with four vertical the first bolt positioning holes (3-1-1); The sidewall of the first moment of torsion termination (3-4) is provided with the first crowbar jack (3-4-1), and the sidewall of the first top (3-7) is respectively equipped with the first anticreep screw (3-7-1) and a first angular setting through hole (3-7-2) of two perforations; The first feed screw nut (3-3) lower end is connected by the first supporting base (3-2) and the first holder (3-1), and the first leading screw (3-5) is threaded with the first feed screw nut (3-3); The first moment of torsion termination (3-4) and the first leading screw anticreep annular groove (3-6) lay respectively at the front-end and back-end of the first leading screw (3-5) one-body molded with the first leading screw (3-5); The first top (3-7) is enclosed within the first leading screw anticreep annular groove (3-6) outside, two the first anticreep bolts (3-8) are respectively through the first corresponding anticreep screw (3-7-1), and the front end of the first anticreep bolt (3-8) inserts in the first leading screw anticreep annular groove (3-6);
Described hold down assembly greatly (4) comprise the second holder (4-1), the second supporting base (4-2), the second feed screw nut (4-3), the second moment of torsion termination (4-4), the second leading screw (4-5), the second leading screw anticreep annular groove (4-6), the second top (4-7) and the second anticreep bolt (4-8), and the second holder (4-1) is provided with four vertical the second bolt positioning holes (4-1-1); The sidewall of the second moment of torsion termination (4-4) is provided with the second crowbar jack (4-4-1), and the sidewall of the second top (4-7) is respectively equipped with the second anticreep screw (4-7-1) and a second angular setting through hole (4-7-2) of two perforations; The second feed screw nut (4-3) lower end is connected by the second supporting base (4-2) and the second holder (4-1), and the second leading screw (4-5) is threaded with the second feed screw nut (4-3); The second moment of torsion termination (4-4) and the second leading screw anticreep annular groove (4-6) lay respectively at the front-end and back-end of the second leading screw (4-5) one-body molded with the second leading screw (4-5); The second top (4-7) is enclosed within the second leading screw anticreep annular groove (4-6) outside, two the second anticreep bolts (4-8) are respectively through the second corresponding anticreep screw (4-7-1), and the front end of the second anticreep bolt (4-8) inserts in the second leading screw anticreep annular groove (4-6);
Described little holding down assembly (3) is connected by the bolt little installation position that holds down assembly (1-1) corresponding with respectively, and hold down assembly greatly (4) are connected by the bolt installation position that holds down assembly greatly (1-2) corresponding with respectively; Little holding down assembly (3) is relative with the moment of torsion termination of hold down assembly greatly (4), and the axis of the first leading screw (3-5) and the second leading screw (4-5) is all parallel with the fluting direction of the V-type groove of two V-block assemblies (2);
Described the second supporting base (4-2) is than the first supporting base (3-2) height.
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CN201410320805.4A CN104062119B (en) | 2014-07-07 | 2014-07-07 | For split type motor car wheel, hollow shaft sleeve is debug testing stand |
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CN201410320805.4A CN104062119B (en) | 2014-07-07 | 2014-07-07 | For split type motor car wheel, hollow shaft sleeve is debug testing stand |
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CN104062119B CN104062119B (en) | 2016-08-24 |
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CN112945570A (en) * | 2021-01-25 | 2021-06-11 | 清华大学苏州汽车研究院(相城) | Static test device and test method applied to automobile sleeve weakened structural part |
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