CN202639726U - Positioning compacting tool used for front end of chassis of motor train unit - Google Patents
Positioning compacting tool used for front end of chassis of motor train unit Download PDFInfo
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- CN202639726U CN202639726U CN 201220334778 CN201220334778U CN202639726U CN 202639726 U CN202639726 U CN 202639726U CN 201220334778 CN201220334778 CN 201220334778 CN 201220334778 U CN201220334778 U CN 201220334778U CN 202639726 U CN202639726 U CN 202639726U
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- underframe front
- backboard
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- positioning
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Abstract
The utility model provides a positioning compacting tool used for the front end of a chassis of a motor train unit. The positioning compacting tool comprises a frame type back plate and two bottom feet which are positioned at the both ends of the bottom of the back plate, extend in the same direction and are vertical to the back plate. The two bottom feet and the back plate are provided with a plurality of compacting structures capable of fixing the edge of the front end of the chassis of the motor train unit. A plurality of positioning blocks are also arranged on the corresponding surface of the back plate and the positioning surface of the front end of the chassis of the motor train unit. The position distribution of the positioning blocks is matched with the shape of the positioning surface of the front end of the chassis of the motor train unit. The basic shape of the positioning compacting tool is matched with the front end of the chassis of the motor train unit, and the positioning compacting tool is provided with the plurality of compacting structures so that the front end of the chassis of the motor train unit can be firmly fixed on the positioning compacting tool, the welding deformation can be effectively prevented, and the product quality can be improved. The generality of the positioning compacting tool is strong, parts of the positioning compacting tool are easy to manufacture and maintain, and the manufacturing cost is low.
Description
Technical field
The utility model relates to the processing technique field of locomotive, particularly a kind of positioning compression frock for EMUs underframe front end.
Background technology
In the manufacturing process of EMU, it is an important step that each parts of underframe front end (or claiming annex) are welded, usually the method that adopts in the prior art is, EMUs underframe front end is placed on the general-purpose platform, welded behind the parts with overhead traveling crane upset EMUs underframe front end, carry out the welding of remaining part, repeatedly operation is until finish the welding of all parts again.But there is following defective in the annex welding to EMU underframe front end in the prior art:
Welding is in the situation that do not compress carry out fully, and is uncontrollable to the welding deformation and the many uncertain factors that occur in the welding process, can affect welding quality, even can cause adverse effect to the assembling in later stage and the security of car load.
The utility model content
The utility model provides a kind of positioning compression frock for EMUs underframe front end, to have the defective that can't compress fully in the annex welding process that solves existing EMU underframe front end.
A kind of positioning compression frock for EMUs underframe front end that the utility model embodiment provides, stretch out and two footing vertical with described backboard in the same direction at the two ends, bottom that comprise a frame-type back plate and be positioned at described backboard;
Be provided with on two described footing and the described backboard and a plurality ofly can realize fixing compressing structure to the edge of described EMUs underframe front end;
Also be provided with a plurality of locating pieces on the corresponding surface of described backboard and described footing and described EMUs underframe front end locating surface, the locating surface shape of the position distribution of described locating piece and described EMUs underframe front end is complementary.
Preferred as technique scheme, described compressing structure comprises drawing and pulling type compressing structure and rotary compressing structure;
Described drawing and pulling type compressing structure is positioned on two side lower parts and two described footing of the described backboard corresponding with the bottom edge position of described EMUs underframe front end;
Described rotary compressing structure is positioned at both sides and the corresponding position of top edges of the top of described backboard and two upper lateral parts and described EMUs underframe front end.
Preferred as technique scheme, described drawing and pulling type compressing structure comprises that one first chassis, a bolt and the nut that matches, thereof have pressing plate and a positioning seat of chute;
Described the first chassis is used for affixed with described footing or described backboard; What described bolt was vertical is fixed on described the first chassis; The chute that the other end of described bolt passes described pressing plate is connected with described nut thread again; Described pressing plate can slide with the relatively described bolt of the chute that arranges on it, and an end of described pressing plate is used for the edge of the fixing described EMUs underframe front end of contact; Described positioning seat is positioned at the below with the opposite end of described pressing plate and EMUs underframe front end, and described positioning seat and described footing or backboard are affixed, is used to described pressing plate that support force when compressing is provided.
Preferred as technique scheme, the described structure that rotatably compresses comprises one second chassis, a cylinder, lever arm clamping screw vertical with;
Described the second chassis is fixed in described backboard; Described cylinder vertically is fixed on described the second chassis; One end of described lever arm is articulated on the described cylinder; And described vertical clamping screw adjustable ground is threadedly connected to the other end of described lever arm, and described vertical clamping screw is parallel with described cylinder.
Preferred as technique scheme, the edge of described backboard both sides is provided be used to preventing that described EMUs underframe front end is to two Slideslip Anti skid stop dogs, width between the described Anti skid stop dog is corresponding with the width of the locating surface of described EMUs underframe front end, and the thickness of described Anti skid stop dog is greater than the thickness at edge corresponding to described EMUs underframe front end.
Preferred as technique scheme, the quantity of described locating piece be more than or equal to the quantity of described compressing structure, and the compacted position of described compressing structure below all is combined with locating piece, and the common edge that compresses described EMUs underframe front end is used for matching.
Preferred as technique scheme, described backboard also is provided be used to the general-purpose interface device that is connected to the upset deflection machine with respect to the opposite side of described footing, and described general-purpose interface device is discoid, is provided with a plurality of through holes on it.
Preferred as technique scheme, described backboard and two described footing are by the metal tube welding fabrication.
Preferred as technique scheme, the material of described metal tube is carbon steel.
The basic configuration of the positioning compression frock that the utility model embodiment provides and EMUs underframe front end are complementary, and by a plurality of compressing structures are set, EMUs underframe front end can be fixed on the positioning compression frock firmly, the problem that old-fashioned frock that prior art utilizes the general-purpose platform to provide can't compress EMUs underframe front end has been provided, can effectively prevent from welding deformation from improving the quality of products; Frock highly versatile, fixture component are easy to make and safeguard low cost of manufacture.
Description of drawings
Fig. 1 is the structural representation of the positioning compression frock that is used for EMUs underframe front end of the utility model embodiment.
The specific embodiment
Fig. 1 is the structural representation of the positioning compression frock that is used for EMUs underframe front end of the utility model embodiment, in conjunction with shown in Figure 1, the present embodiment provides a kind of positioning compression frock 1 for EMUs underframe front end, and stretch out and two footing 3 vertical with backboard in the same direction at the two ends, bottom that comprise a frame-type back plate 2 and be positioned at backboard 2.Positioning tool in the present embodiment is applicable to EMUs underframe front end, also can be used for the workpiece location of other types, and concrete positioning compression scheme is relevant with shape and the size of workpiece to be processed.
For EMUs underframe front end to be processed is fixed on the positioning compression frock 1, arrange according to self features of shape of EMUs underframe front end to be processed and a plurality ofly can realize fixing compressing structure 5 to the edge of EMUs underframe front end, the concrete distribution of compressing structure 5 sees shown in Fig. 1, is provided with a plurality of compressing structures 5 on two footing 3 and the backboard 2; By the setting of compressing structure 5, EMUs underframe front end to be processed and positioning compression frock 1 can be fixed together firmly.
For the handled easily personnel fix EMUs underframe front end to be processed in positioning compression frock 1, and assurance welding processing quality, allow EMUs underframe front end to be processed better contact with positioning compression frock 1, also be provided with a plurality of locating pieces 4 on the corresponding surface of backboard 2 and footing 3 and described EMUs underframe front end locating surface, the locating surface shape of the position distribution of locating piece 4 and described EMUs underframe front end is complementary.The accurate positioning that a plurality of locating pieces 4 can effectively guarantee EMUs underframe front end to be processed is set, and 1 pair of EMUs underframe front end to be processed of positioning compression frock does not produce wearing and tearing simultaneously.
The utility model embodiment adopts the design concept of " modularization ", and whole positioning compression frock mainly is comprised of 3 parts, the compressing structure and the locating piece that are respectively the tower structure of backboard and footing composition, arrange on it.By a plurality of compressing structures are set, EMUs underframe front end to be processed can be fixed on the positioning compression frock firmly, the problem that old-fashioned frock that prior art utilizes the general-purpose platform to provide can't compress EMUs underframe front end has been provided, can effectively prevent from welding deformation from improving the quality of products; Adopt the design concept of " modularization ", all workpiece are merged optimize, frock highly versatile, fixture component are easy to make and safeguard low cost of manufacture.
Preferred as technique scheme, compressing structure 5 comprises drawing and pulling type compressing structure 51 and rotary compressing structure 52; Drawing and pulling type compressing structure 51 is positioned on two side lower parts and two footing 3 of the backboard 2 corresponding with the bottom edge position of EMUs underframe front end; Rotary compressing structure 52 is positioned at top and two upper lateral parts of the backboard 2 corresponding with the both sides of EMUs underframe front end and top edges position.
Among the embodiment of the present utility model, drawing and pulling type compressing structure 51 is positioned on two side lower parts and two footing 3 of the backboard 2 corresponding with the bottom edge position of EMUs underframe front end, this kind compressing structure is easy to use, compress reliable, can in narrow and small not easy-operating space, use, so for the corresponding drawing and pulling type compressing structure 51 that uses in the position, narrow limit of EMUs underframe front end to be processed.Rotary compressing structure 52 is positioned at both sides and the corresponding position of top edges of the top of described backboard 2 and two upper lateral parts and described EMUs underframe front end, this kind compressing structure adjustable extent is large, but because it has rotatable lever arm, so only applicable in the broadside position of EMUs underframe front end to be processed.Concrete drawing and pulling type compressing structure 51 and the type selecting of rotary compressing structure 52 and be fixed the position and can arrange according to size and the shape facility of practical work piece.
Preferred as technique scheme, drawing and pulling type compressing structure 51 comprises that one first chassis 511, a bolt 512 and the nut 513, that matches thereof have pressing plate 514 and a positioning seat 515 of chute; The first chassis 511 is affixed with footing 3 or backboard 2; Bolt 512 vertical being fixed on the first chassis 511; The chute that the other end of bolt 512 passes pressing plate 514 is threaded with nut 513 again; Pressing plate 514 can slide by relative bolt 512 with the chute that arranges on it, and an end of pressing plate 514 is used for the fixedly edge of EMUs underframe front end of contact; Positioning seat 515 is positioned at and the below of pressing plate 514 and the opposite end of EMUs underframe front end, and positioning seat 515 is affixed with footing or backboard, is used to pressing plate 514 that support force when compressing is provided.
Preferred as technique scheme rotatably compresses structure 52 and comprises one second chassis 521, a cylinder 522, a lever arm 523 clamping screw 524 vertical with;
The second chassis 521 is fixed in backboard 2; Cylinder 522 vertically is fixed on the second chassis 521; One end of lever arm 523 is articulated on the cylinder 522; And vertical clamping screw 524 adjustable grounds are threadedly connected to the other end of lever arm 523, and vertical clamping screw 524 is parallel with cylinder 522.Better contact for reaching with EMUs underframe front end, reach the purpose of compression, in the termination of vertical clamping screw 524, can also be set to disk-like structure with the position of end in contact before the EMUs underframe, as shown in FIG..
Preferred as technique scheme, in the engineering that prevents the frock rotation, EMUs underframe front end slides, the edge of backboard 2 both sides is provided be used to preventing that EMUs underframe front end is to two Slideslip Anti skid stop dogs 6, width between the Anti skid stop dog 6 is corresponding with the width of the locating surface of EMUs underframe front end, and the thickness of Anti skid stop dog 6 is greater than the thickness at edge corresponding to EMUs underframe front end.Further guarantee the accuracy of EMUs underframe front end welding process by Anti skid stop dog 6 is set, prevent because the error that rotation or the skew of mobile occurrence positions bring.
As the quantity of the preferred orientation piece 4 of the technique scheme quantity more than or equal to compressing structure 5, and the compacted position of compressing structure 5 below all is combined with locating piece 4, and the common edge that compresses described EMUs underframe front end is used for matching.As shown in fig. 1, each compressing structure 5 corresponding locating piece 4 is used to compressing structure to provide a reverse support force when compressing EMUs underframe front end to be processed, better EMUs underframe front end to be processed is fixed.
The global shape of the positioning compression frock 1 of the utility model embodiment is " L " type, can adapt with the upset positioner of L-type, the upset positioner carries out rotary movement and drives this positioning compression frock 1, thereby overturn EMUs underframe front end fixed thereon, finish smoothly welding procedure, solved old-fashioned frock weld strength large, inefficient problem can make the frock upset become easy.
Old-fashioned frock also exists weld strength large, and inefficient problem is for solving this technical problem, in the present embodiment, backboard 2 also is provided be used to the general-purpose interface device 7 that is connected to the upset deflection machine with respect to the opposite side of footing 3, and general-purpose interface device 7 is discoid, is provided with a plurality of through holes on it.Can connect " L " type counter-rotating positioner by general-purpose interface device 7, so that the frock upset becomes easily, reduce operator's labour intensity.
Preferred as technique scheme, backboard 2 and two footing 3 are by the metal tube welding fabrication.As shown in Figure 1, this backboard 2 is preferably rectangular frame structure, by edge frame and a plurality of inner support frame welding fabrication, and footing 3 also is preferably the frame structure of rectangle, equally can be by edge frame and a plurality of inner support frame welding fabrication, select rectangular shape to be convenient to welding processing, processing cost is low.When frame-type positioning compression frock that metal tube is welded into 1 not only can guarantee the fastness of frock integral body but also can not increase too many weight, also has simultaneously certain rigidity.And the connection between backboard 2 and two footing 3 is preferably by being welded to connect, and can guarantee the bonding strength between backboard 2 and two footing 3.Certainly backboard 2 and two footing 3 also can be realized between the two fixing by bolt or riveted joint.
Preferred as technique scheme, the material of metal tube is carbon steel.The positioning compression frock that adopts the carbon steel tubing of high-quality to be welded is enough to guarantee the stationarity in the use procedure; The utility model embodiment also can select other materials such as other metals such as stainless steel.
The shape of backboard 2 and footing 3 also is the shapes such as rhombus, irregular polygon, and concrete shape can according to the actual needs or be processed convenient next definite.But all can be used for affixed compressing structure and locating piece except several shapes that the present embodiment is enumerated, and realize that the shape that EMUs underframe front end is fixed all can be applicable to the utility model embodiment.
Use in the present embodiment the positioning compression frock concrete assembly welding process of EMUs underframe front end that is fixed and clamped to be:
1, the positioning compression frock is fixed with " L " type upset positioner by the general-purpose interface device 7 that himself arranges;
2, by " L " type upset positioner the positioning compression frock is rotated to footing 3 down, i.e. as shown in fig. 1 direction, forward the lever arm 523 of rotary compressing structure 52 to respect to the positioning compression frock the outside, the lever arm 523 that is about to the upper end turns to the top of positioning compression frock, and the lever arm 523 of both sides turns to the both sides of positioning compression frock, the pressing plate 514 of drawing and pulling type compressing structure 51 is moved to the outside of positioning compression frock, with the loading of obstruction free EMUs underframe front end;
3, after the positioning compression frock is ready, adopt overhead traveling crane lifting EMUs underframe front end, slowly hang positioning compression frock top, observe EMUs underframe front end and locating piece 4 residing relative positions, be fit into behind the aligning;
4, go back to the lever arm 523 of all rotary compressing structures 52, screw vertical clamping screw 524, make plate-like termination and the EMUs underframe front end close contact of vertical clamping screw 524; Retract the pressing plate 514 of all drawing and pulling type compressing structures 51, rotating nut 513 makes pressing plate 514 and EMUs underframe front end close contact.Note the symmetrical application of force during compression, namely compressed first the compressing structure that and then compresses symmetrical side behind the compressing structure of certain side, so repeatedly carry out, to guarantee EMUs underframe front end uniform stressed in compaction process;
5, after all compressing structures compress, the upset positioner is that turning positioning compression frock is welded respectively to required station, can increase substantially like this labour intensity that production efficiency can reduce again the workman;
6, after welding is finished, loosening vertical clamping screw 524, forward the lever arm 523 of rotary compressing structure 52 to respect to the positioning compression frock the outside, loose nut 513, move the pressing plate 514 of drawing and pulling type compressing structure 51 to the frock outside, penetrate suspender belt from EMUs underframe front end space, the EMUs underframe front end after completing with the overhead traveling crane handling is to buffering area.
This positioning compression frock, use when being specially adapted to EMU underframe front end assembly welding, be characterized in adopting the modularized design manufacturing, whole frock main body can be formed by the steel square tube assembly welding of standard, can effectively guarantee the intensity in its switching process, be equipped with again general rotary compressing structure and drawing and pulling type compressing structure, fully compress EMUs underframe front end.In addition, adopt modular design concept that part is simplified as far as possible, be easy to processing and manufacturing and maintaining, the versatility of whole frock is strengthened.
It should be noted that at last: above each embodiment is not intended to limit only in order to the technical solution of the utility model to be described; Although with reference to aforementioned each embodiment the utility model is had been described in detail, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment puts down in writing, and perhaps some or all of technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the scope of each embodiment technical scheme of the utility model.
Claims (9)
1. a positioning compression frock that is used for EMUs underframe front end is characterized in that, stretch out and two footing vertical with described backboard in the same direction at the two ends, bottom that comprise a frame-type back plate and be positioned at described backboard;
Be provided with on two described footing and the described backboard and a plurality ofly can realize fixing compressing structure to the edge of described EMUs underframe front end;
Also be provided with a plurality of locating pieces on the corresponding surface of described backboard and described footing and described EMUs underframe front end locating surface, the locating surface shape of the position distribution of described locating piece and described EMUs underframe front end is complementary.
2. the positioning compression frock for EMUs underframe front end according to claim 1 is characterized in that, described compressing structure comprises drawing and pulling type compressing structure and rotary compressing structure;
Described drawing and pulling type compressing structure is positioned on two side lower parts and two described footing of the described backboard corresponding with the bottom edge position of described EMUs underframe front end;
Described rotary compressing structure is positioned at both sides and the corresponding position of top edges of the top of described backboard and two upper lateral parts and described EMUs underframe front end.
3. the positioning compression frock for EMUs underframe front end according to claim 2 is characterized in that, described drawing and pulling type compressing structure comprises that one first chassis, a bolt and the nut that matches, thereof have pressing plate and a positioning seat of chute;
Described the first chassis and described footing or described backboard are affixed; What one end of described bolt was vertical is fixed on described the first chassis, and the chute that the other end passes described pressing plate is connected with described nut thread again; Described pressing plate can slide with the relatively described bolt of the chute that arranges on it, and an end of described pressing plate is used for the edge of the fixing described EMUs underframe front end of contact; Described positioning seat is positioned at the below with the opposite end of described pressing plate and EMUs underframe front end, and described positioning seat and described footing or backboard are affixed, is used to described pressing plate that support force when compressing is provided.
4. the positioning compression frock for EMUs underframe front end according to claim 2 is characterized in that, the described structure that rotatably compresses comprises one second chassis, a cylinder, lever arm clamping screw vertical with;
Described the second chassis is fixed in described backboard; Described cylinder vertically is fixed on described the second chassis; One end of described lever arm is articulated on the described cylinder, and described vertical clamping screw adjustable ground is threadedly connected to the other end of described lever arm, and described vertical clamping screw is parallel with described cylinder.
5. the positioning compression frock for EMUs underframe front end according to claim 1, it is characterized in that, the edge of described backboard both sides is provided be used to preventing the Anti skid stop dog of described EMUs underframe front end to two Slideslips, width between the described Anti skid stop dog is corresponding with the width of the locating surface of described EMUs underframe front end, and the thickness of described Anti skid stop dog is greater than the thickness at edge corresponding to described EMUs underframe front end.
6. the positioning compression frock for EMUs underframe front end according to claim 1 is characterized in that, the quantity of described locating piece is more than or equal to the quantity of described compressing structure, and the compacted position of described compressing structure below all is combined with locating piece.
7. the positioning compression frock for EMUs underframe front end according to claim 1, it is characterized in that, described backboard also is provided be used to the general-purpose interface device that is connected to the upset deflection machine with respect to the opposite side of described footing, described general-purpose interface device is discoid, is provided with a plurality of through holes on it.
8. the positioning compression frock for EMUs underframe front end according to claim 1 is characterized in that, described backboard and two described footing are by the metal tube welding fabrication.
9. the positioning compression frock for EMUs underframe front end according to claim 8 is characterized in that, the material of described metal tube is carbon steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220334778 CN202639726U (en) | 2012-07-11 | 2012-07-11 | Positioning compacting tool used for front end of chassis of motor train unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220334778 CN202639726U (en) | 2012-07-11 | 2012-07-11 | Positioning compacting tool used for front end of chassis of motor train unit |
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| Publication Number | Publication Date |
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| CN202639726U true CN202639726U (en) | 2013-01-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220334778 Expired - Lifetime CN202639726U (en) | 2012-07-11 | 2012-07-11 | Positioning compacting tool used for front end of chassis of motor train unit |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103240559A (en) * | 2013-05-22 | 2013-08-14 | 成都海凌达机械有限公司 | Clamping locating device |
| CN103252609A (en) * | 2013-05-22 | 2013-08-21 | 成都海凌达机械有限公司 | Locating-position-adjustable clamping locating device |
| CN104475997A (en) * | 2014-11-17 | 2015-04-01 | 长春轨道客车股份有限公司 | Modular manufacturing method for aluminum structure of third-dimensional curved surface cab of motor train unit |
| CN107350688A (en) * | 2017-08-11 | 2017-11-17 | 中车长春轨道客车股份有限公司 | The big part in EMUs chassis basis and the synthesis positioner and method at FE ends |
| CN107363745A (en) * | 2017-07-26 | 2017-11-21 | 中山市春兴建筑工程有限公司 | A kind of door and window curtain wall automatic processing center |
| CN108994514A (en) * | 2018-09-25 | 2018-12-14 | 苏州中车轨道交通车辆有限公司 | A kind of universal tramcar chassis front end assembling device |
-
2012
- 2012-07-11 CN CN 201220334778 patent/CN202639726U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103240559A (en) * | 2013-05-22 | 2013-08-14 | 成都海凌达机械有限公司 | Clamping locating device |
| CN103252609A (en) * | 2013-05-22 | 2013-08-21 | 成都海凌达机械有限公司 | Locating-position-adjustable clamping locating device |
| CN104475997A (en) * | 2014-11-17 | 2015-04-01 | 长春轨道客车股份有限公司 | Modular manufacturing method for aluminum structure of third-dimensional curved surface cab of motor train unit |
| CN107363745A (en) * | 2017-07-26 | 2017-11-21 | 中山市春兴建筑工程有限公司 | A kind of door and window curtain wall automatic processing center |
| CN107350688A (en) * | 2017-08-11 | 2017-11-17 | 中车长春轨道客车股份有限公司 | The big part in EMUs chassis basis and the synthesis positioner and method at FE ends |
| CN107350688B (en) * | 2017-08-11 | 2019-01-18 | 中车长春轨道客车股份有限公司 | The synthesis positioning device and method of EMU chassis basis big component and the end FE |
| CN108994514A (en) * | 2018-09-25 | 2018-12-14 | 苏州中车轨道交通车辆有限公司 | A kind of universal tramcar chassis front end assembling device |
| CN108994514B (en) * | 2018-09-25 | 2020-10-16 | 苏州中车轨道交通车辆有限公司 | General type tram chassis front end assembly device |
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| CP01 | Change in the name or title of a patent holder |
Address after: 063035 Hebei province Fengrun District Tangshan City Road No. 3 factory Patentee after: CRRC TANGSHAN Co.,Ltd. Address before: 063035 Hebei province Fengrun District Tangshan City Road No. 3 factory Patentee before: TANGSHAN RAILWAY VEHICLE Co.,Ltd. |
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| CX01 | Expiry of patent term |
Granted publication date: 20130102 |
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| CX01 | Expiry of patent term |