CN202447862U - Press fitting tool for traction draw bar of railway vehicle - Google Patents
Press fitting tool for traction draw bar of railway vehicle Download PDFInfo
- Publication number
- CN202447862U CN202447862U CN2012200476705U CN201220047670U CN202447862U CN 202447862 U CN202447862 U CN 202447862U CN 2012200476705 U CN2012200476705 U CN 2012200476705U CN 201220047670 U CN201220047670 U CN 201220047670U CN 202447862 U CN202447862 U CN 202447862U
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- Prior art keywords
- pull bar
- drawing pull
- press
- fitting tool
- rail vehicle
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Abstract
The utility model relates to a press fitting tool for a traction draw bar of a railway vehicle. The press fitting tool comprises the traction draw bar, a traction draw bar bearing, a base, a positioning device, a press fitting fixture and a pressing device, the positioning device is used for positioning the traction draw bar, the pressing fixtures are used for pressing and fixing the traction draw bar, the pressing device is used for positioning the traction draw bar bearing, and the positioning device and the pressing fixtures are fixed onto the base. The press fitting tool is simple in structure, various key dimensions of the traction draw bar can be effectively guaranteed after the traction draw bar is in press fitting, press fitting precision is high, and higher design requirements of a high-speed motor train unit on the traction draw bar are met. In addition, the tool is high in practicality and simple and convenient to operate, and is effective and speedy in work while having the advantages of fine service effect, high mounting performance and the like.
Description
Technical field
The utility model relates to a kind of frock that is used for rail vehicle drawing pull bar and bearing assembling, and particularly a kind of rail vehicle drawing pull bar press-fitting tool belongs to rail vehicle manufacturing technology field.
Background technology
High-speed cruising EMUs speed per hour has reached 380 kilometers at present; Compare locomotive and low speed EMUs; Drawing pull bar as the traction force transferring part; All more strict in the requirement of design and manufacturing process, how to guarantee the high accuracy dimensional requirement that drawing pull bar proposes in design, become the EMUs drawing pull bar of 380 kilometers of speed per hours and the difficult point that the drawing pull bar bearing group is loaded onto.
Drawing pull bar bearing and drawing pull bar adopt interference fit; Drawing pull bar endoporus tolerance range H7; Drawing pull bar bearing outside diameter u7; After requiring assembling to accomplish, drawing pull bar bearing and drawing pull bar centerline perpendicularity are 0.5mm, and the drawing pull bar bearing installing port center line and the drawing pull bar surface depth of parallelism are 1mm.Drawing pull bar bearing centre distance between centers of tracks 450mm.These require dimensional accuracy very high, and the common process that press-fits is difficult to guarantee, needs special frock to guarantee.
Summary of the invention
The utility model main purpose is to overcome the deficiency of prior art, provides a kind of simple in structure, can effectively guarantee each critical size that drawing pull bar press-fits, and press-fits the high rail vehicle drawing pull bar press-fitting tool of precision.
For realizing above-mentioned purpose, the technical scheme of the utility model is:
A kind of rail vehicle drawing pull bar press-fitting tool; Comprise drawing pull bar and drawing pull bar bearing; Also comprise pedestal, be used to locate said drawing pull bar positioner, pressing clamp that at least one is used to be fixed said drawing pull bar, be used to locate the hold down gag of said drawing pull bar bearing, said positioner and pressing clamp are fixed on the said pedestal.
Further, said compressing fixture is quick compactor.
Further, said pedestal is provided with a plurality of suspension hooks that are used to lift.
Further, the dead eye at the corresponding said drawing pull bar of said positioner two ends respectively is provided with one.
Further; Each said positioner is made up of positioning pedestal and alignment pin; Has step-like endoporus in the said positioning pedestal; Said alignment pin is a T shape structure, and the internal diameter of the upper diameter of said alignment pin and said drawing pull bar dead eye is complementary, and the aperture of the big endoporus in the lower diameter of said alignment pin and the said positioning pedestal is complementary; The axle center of said positioning pedestal, alignment pin is identical with the axle center of said drawing pull bar dead eye, and said alignment pin is inserted in the location of realizing said drawing pull bar in said drawing pull bar dead eye and the said positioning pedestal.
Further, said alignment pin is provided with the suspension ring that are used to lift.
Further, the aperture of the little endoporus in the said positioning pedestal is slightly less than the external diameter of said drawing pull bar bearing.
Further; Said hold down gag is made up of tubular fairlead, the guide finger that press-fits guide pillar and be column; Saidly press-fit guide column sleeve move in said fairlead and in the said fairlead; Said drawing pull bar bearing is installed in and saidly press-fits in the guide pillar; Saidly press-fit the internal diameter of guide pillar and the external diameter of said drawing pull bar bearing is complementary, said fairlead is provided with and is used to guide said first slotted hole that press-fits the guide pillar catenary motion, and the said bottom that press-fits guide pillar is provided with first perforate; Said drawing pull bar bearing is provided with second perforate, and said guide finger passes the location that said first slotted hole, first perforate and second perforate realize said drawing pull bar bearing successively.
Further; Corresponding each hold down gag respectively is provided with a said guider; Said guider is fixed on the said pedestal; Said guider is provided with second slotted hole of the vertical direction that play the guiding role, and said guide finger passes the location that said second slotted hole is realized said hold down gag.
Further, the scope of stating the cylindricity of guide finger is 0.2mm, and the scope of levelness is 0.2mm.
Content to sum up; The described a kind of rail vehicle drawing pull bar press-fitting tool of the utility model; Simple in structure, through positioner and hold down gag, can effectively guarantee each critical size after drawing pull bar press-fits; Press-fit the precision height, satisfy the higher designing requirement of EMU drawing pull bar.This frock is practical, and is simple to operation, and also to have action effect effectively efficiently simultaneously concurrently good having work, the installation capability advantages of higher.
Description of drawings
Fig. 1 is the utility model structural representation;
Fig. 2 is the vertical view of Fig. 1.
As depicted in figs. 1 and 2, drawing pull bar 1, drawing pull bar bearing 2, pedestal 3, positioner 4, pressing clamp 5; Hold down gag 6, guider 7, dead eye 8, positioning pedestal 9, alignment pin 10; Endoporus 11, suspension hook 12, suspension ring 13, fairlead 14 press-fits guide pillar 15; Guide finger 16, the first slotted holes 17, the first perforates 18, the second perforates 19, the second slotted holes 20.
The specific embodiment
Below in conjunction with the accompanying drawing and the specific embodiment the utility model is described in further detail:
As depicted in figs. 1 and 2, a kind of rail vehicle drawing pull bar press-fitting tool is used for the assembling between vehicle towed pull bar 1 and the drawing pull bar bearing 2.This frock comprises pedestal 3, positioner 4, pressing clamp 5, hold down gag 6 and guider 7, and wherein, positioner 4, pressing clamp 5 and guider 7 all are fixed on the pedestal 3.
Handling for convenient whole frock is provided with a plurality of suspension hooks 12 in the appropriate position of pedestal 3, as shown in Figure 2 to guarantee the balance of whole frock when the handling, in the present embodiment, respectively is provided with a suspension hook 12 at the place, four angles of pedestal 3.
In the present embodiment, be provided with two pressing clamps 5,, thereby guarantee its dimensional accuracy after press-fiting so that can guarantee drawing pull bar 1 fixation.For increasing work efficiency the quick compactor of pressing clamp 5 preferred employings.
Positioner 4 is used for drawing pull bar 1 is positioned, and positioner 4 respectively is provided with one corresponding to the dead eye 8 at drawing pull bar 1 two ends.Each positioner 4 is made up of positioning pedestal 9 and alignment pin 10, and positioning pedestal 9 appears cylindric, has step-like endoporus 11 in it, and step-like endoporus 11 is up big and down small structure.Alignment pin 10 is a T shape structure; The internal diameter of the upper diameter of alignment pin 10 and drawing pull bar dead eye 8 is complementary; The aperture of the big endoporus 11 of the lower diameter of alignment pin 10 and positioning pedestal 9 internal upper parts is complementary, and the axle center of positioning pedestal 9, alignment pin 10 and the axle center of drawing pull bar dead eye 8 will guarantee point-blank.
When carrying out drawing pull bar 1 location; The two ends of drawing pull bar 1 are placed on two positioning pedestals 9; Alignment pin 10 is inserted in drawing pull bar dead eye 8 and the positioning pedestal 9, because the axle center of positioning pedestal 9, alignment pin 10 is identical with the axle center of drawing pull bar dead eye 8, the position of adjustment drawing pull bar 1; Make the bottom of alignment pin 10 can be inserted in the big endoporus 11 on positioning pedestal 9 tops the location that can realize drawing pull bar 1.Drawing pull bar 1 is fixed with the mid portion of two pressing clamps 5 with drawing pull bar 1 behind the location.Whole operation is simple and convenient, can increase substantially operating efficiency, also can improve locating accuracy.
The aperture outline of the little endoporus 11 of bottoms plays spacing effect less than the external diameter of drawing pull bar bearing 2 in the positioning pedestal 9, avoids excessive phenomenon occurring press-fiting in the press-fiting in the process of drawing pull bar bearing 2.
Corresponding to each drawing pull bar bearing 2 hold down gag 6 is set respectively, 6 pairs of drawing pull bar bearings 2 of hold down gag play a part the location.Hold down gag 6 is made up of tubular fairlead 14, the guide finger 16 that press-fits guide pillar 15 and be column, in the present embodiment, is to guarantee dimensional accuracy; Fairlead 14 is cylindric, and guide finger 16 is a cylinder, press-fits guide pillar 15 and is the T-shaped cylinder of outward appearance; The T shape limit at its top can play a part restriction drawing pull bar bearing 2 displacements; Also can increase simultaneously the contact area of press-loading device and this frock, guarantee the equilibrium of strength, operate also more simple.
Wherein, Press-fiting guide pillar 15 is enclosed within the fairlead 14 and along fairlead 14 inwalls and moves up and down; Drawing pull bar bearing 2 is installed in and press-fits in the guide pillar 15, and press-fit the internal diameter of guide pillar 14 and the external diameter of drawing pull bar bearing 2 and be complementary, thus restriction drawing pull bar bearing 2 free degree in the horizontal direction.Fairlead 14 is provided with and is used to guide first slotted hole 17 that press-fits guide pillar 15 catenary motions; In the both sides of fairlead 14 one first slotted hole 17 is set respectively; The bottom that press-fits guide pillar 15 is provided with first perforate 18, and same, one first perforate 18 is respectively opened in the both sides that press-fit guide pillar 15; Drawing pull bar bearing 2 is provided with second perforate 19; Guide finger 16 passes two first slotted holes 17, two first perforates 18 and second perforates 19, thus the rotation of restriction drawing pull bar bearing 2, the location of finally realizing drawing pull bar bearing 2; Guarantee to have concentricity and perpendicularity preferably between drawing pull bar 1 and the drawing pull bar bearing 2, thereby guarantee that drawing pull bar 1 satisfies the dimensional accuracy of Design Requirement Drawing.
For guaranteeing dimensional accuracy, guide finger 16 requires shank fine finishining, and cylindricity and levelness are preferably arranged, and wherein, the scope of cylindricity is 0.2mm, and the scope of levelness is 0.2mm.
Below fairlead 14, also can offer and observe the fenestella (not shown), be convenient to observe the surface state that press-fits fairlead 14 in the process.
Corresponding each hold down gag 6 respectively is provided with a guider 7; Guider 7 is fixed on the both sides of pedestal 3; Guider 7 is a slab construction; Guider 7 is provided with second slotted hole 20 of the vertical direction that play the guiding role, and guide finger 16 passes the location that second slotted hole 20 is realized hold down gag 6.
In press-fiting process; Earlier with fairlead 14, press-fit guide pillar 15 and drawing pull bar bearing 2 installs each other; Pass two first slotted holes 17 on the fairlead 14, press-fit two first perforates 18 and second perforate 19 on the drawing pull bar bearing 2 on the guide pillar 15 with guide finger 16, guide finger 16 also passes second slotted hole 20 on the guider 7 simultaneously.Then, push down the top that press-fits guide pillar 15 downwards from the top, drawing pull bar bearing 2 is compressed into the dead eye 8 of drawing pull bar 1 with press-loading device.
As stated, in conjunction with the given scheme content of accompanying drawing, can derive the similar techniques scheme.In every case be the content that does not break away from the utility model technical scheme, to any simple modification, equivalent variations and modification that above embodiment did, all still belong in the scope of the utility model technical scheme according to the technical spirit of the utility model.
Claims (10)
1. rail vehicle drawing pull bar press-fitting tool; Comprise drawing pull bar and drawing pull bar bearing; It is characterized in that: also comprise pedestal, be used to locate said drawing pull bar positioner, pressing clamp that at least one is used to be fixed said drawing pull bar, be used to locate the hold down gag of said drawing pull bar bearing, said positioner and pressing clamp are fixed on the said pedestal.
2. rail vehicle drawing pull bar press-fitting tool according to claim 1 is characterized in that: said compressing fixture is quick compactor.
3. rail vehicle drawing pull bar press-fitting tool according to claim 1 is characterized in that: said pedestal is provided with a plurality of suspension hooks that are used to lift.
4. rail vehicle drawing pull bar press-fitting tool according to claim 1 is characterized in that: the dead eye at the corresponding said drawing pull bar of said positioner two ends respectively is provided with one.
5. rail vehicle drawing pull bar press-fitting tool according to claim 4; It is characterized in that: each said positioner is made up of positioning pedestal and alignment pin; Has step-like endoporus in the said positioning pedestal; Said alignment pin is a T shape structure, and the internal diameter of the upper diameter of said alignment pin and said drawing pull bar dead eye is complementary, and the aperture of the big endoporus in the lower diameter of said alignment pin and the said positioning pedestal is complementary; The axle center of said positioning pedestal, alignment pin is identical with the axle center of said drawing pull bar dead eye, and said alignment pin is inserted in the location of realizing said drawing pull bar in said drawing pull bar dead eye and the said positioning pedestal.
6. rail vehicle drawing pull bar press-fitting tool according to claim 5 is characterized in that: said alignment pin is provided with the suspension ring that are used to lift.
7. rail vehicle drawing pull bar press-fitting tool according to claim 5 is characterized in that: the aperture of the little endoporus in the said positioning pedestal is slightly less than the external diameter of said drawing pull bar bearing.
8. rail vehicle drawing pull bar press-fitting tool according to claim 1; It is characterized in that: said hold down gag is made up of tubular fairlead, the guide finger that press-fits guide pillar and be column; Saidly press-fit guide column sleeve move in said fairlead and in the said fairlead; Said drawing pull bar bearing is installed in and saidly press-fits in the guide pillar; Saidly press-fit the internal diameter of guide pillar and the external diameter of said drawing pull bar bearing is complementary, said fairlead is provided with and is used to guide said first slotted hole that press-fits the guide pillar catenary motion, and the said bottom that press-fits guide pillar is provided with first perforate; Said drawing pull bar bearing is provided with second perforate, and said guide finger passes the location that said first slotted hole, first perforate and second perforate realize said drawing pull bar bearing successively.
9. rail vehicle drawing pull bar press-fitting tool according to claim 8; It is characterized in that: corresponding each hold down gag respectively is provided with a said guider; Said guider is fixed on the said pedestal; Said guider is provided with second slotted hole of the vertical direction that play the guiding role, and said guide finger passes the location that said second slotted hole is realized said hold down gag.
10. rail vehicle drawing pull bar press-fitting tool according to claim 8 is characterized in that: the scope of the cylindricity of said guide finger is 0.2mm, and the scope of levelness is 0.2mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200476705U CN202447862U (en) | 2012-02-15 | 2012-02-15 | Press fitting tool for traction draw bar of railway vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200476705U CN202447862U (en) | 2012-02-15 | 2012-02-15 | Press fitting tool for traction draw bar of railway vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202447862U true CN202447862U (en) | 2012-09-26 |
Family
ID=46863756
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200476705U Expired - Lifetime CN202447862U (en) | 2012-02-15 | 2012-02-15 | Press fitting tool for traction draw bar of railway vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202447862U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104043959A (en) * | 2014-06-20 | 2014-09-17 | 蒋彩英 | Press fitting tool for assembling traction rod of railway vehicle |
| CN104084907A (en) * | 2014-06-20 | 2014-10-08 | 蒋彩英 | Pressing fixture for traction rod of rail vehicle |
| CN105479155A (en) * | 2014-09-18 | 2016-04-13 | 株洲时代新材料科技股份有限公司 | Press mounting tool and method for train inverted-V-shaped traction system assembly |
| CN106312539A (en) * | 2016-09-30 | 2017-01-11 | 中车南京浦镇车辆有限公司 | Pull center press-fitting centring tool |
| CN106881581A (en) * | 2015-12-16 | 2017-06-23 | 中国二十冶集团有限公司 | A kind of installation tool and its application method for bulk lots volume transfer device |
| CN107900645A (en) * | 2017-12-22 | 2018-04-13 | 南阳淅减汽车减振器有限公司 | A kind of bushing press-mounting device and pressing method |
| CN108311866A (en) * | 2018-03-02 | 2018-07-24 | 襄阳长源东谷实业股份有限公司 | One kind dividing food tray press-loading apparatus and pressing method |
| EP3848607A3 (en) * | 2019-12-19 | 2021-12-08 | Schaublin SA | Elastomeric bearing for a suspension assembly |
-
2012
- 2012-02-15 CN CN2012200476705U patent/CN202447862U/en not_active Expired - Lifetime
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104043959A (en) * | 2014-06-20 | 2014-09-17 | 蒋彩英 | Press fitting tool for assembling traction rod of railway vehicle |
| CN104084907A (en) * | 2014-06-20 | 2014-10-08 | 蒋彩英 | Pressing fixture for traction rod of rail vehicle |
| CN104084907B (en) * | 2014-06-20 | 2016-03-09 | 川力电气有限公司 | A kind of compressing fixture for rail vehicle drawing pull bar |
| CN105479155A (en) * | 2014-09-18 | 2016-04-13 | 株洲时代新材料科技股份有限公司 | Press mounting tool and method for train inverted-V-shaped traction system assembly |
| CN106881581A (en) * | 2015-12-16 | 2017-06-23 | 中国二十冶集团有限公司 | A kind of installation tool and its application method for bulk lots volume transfer device |
| CN106312539A (en) * | 2016-09-30 | 2017-01-11 | 中车南京浦镇车辆有限公司 | Pull center press-fitting centring tool |
| CN106312539B (en) * | 2016-09-30 | 2018-10-30 | 中车南京浦镇车辆有限公司 | A kind of centre of pull press fitting centering tooling |
| CN107900645A (en) * | 2017-12-22 | 2018-04-13 | 南阳淅减汽车减振器有限公司 | A kind of bushing press-mounting device and pressing method |
| CN108311866A (en) * | 2018-03-02 | 2018-07-24 | 襄阳长源东谷实业股份有限公司 | One kind dividing food tray press-loading apparatus and pressing method |
| CN108311866B (en) * | 2018-03-02 | 2023-08-11 | 襄阳长源东谷实业股份有限公司 | Oil distribution disc press-fitting device and press-fitting method |
| EP3848607A3 (en) * | 2019-12-19 | 2021-12-08 | Schaublin SA | Elastomeric bearing for a suspension assembly |
| EP4083465A1 (en) * | 2019-12-19 | 2022-11-02 | Schaublin SA | Elastomeric bearing for a suspension assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120926 |
|
| CX01 | Expiry of patent term |