CN201913487U - Fixture special for swing bolster - Google Patents

Fixture special for swing bolster Download PDF

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Publication number
CN201913487U
CN201913487U CN2011200374069U CN201120037406U CN201913487U CN 201913487 U CN201913487 U CN 201913487U CN 2011200374069 U CN2011200374069 U CN 2011200374069U CN 201120037406 U CN201120037406 U CN 201120037406U CN 201913487 U CN201913487 U CN 201913487U
Authority
CN
China
Prior art keywords
bolster
pedestal
support bar
special fixture
pressure strip
Prior art date
Application number
CN2011200374069U
Other languages
Chinese (zh)
Inventor
刘赞红
丁兴利
Original Assignee
中国北车集团大同电力机车有限责任公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 中国北车集团大同电力机车有限责任公司 filed Critical 中国北车集团大同电力机车有限责任公司
Priority to CN2011200374069U priority Critical patent/CN201913487U/en
Application granted granted Critical
Publication of CN201913487U publication Critical patent/CN201913487U/en

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Abstract

The utility model provides a fixture special for a swing bolster, which comprises a base (10), a supporting device (20) and a pressing device (30). The base (10) is fixed on a work table, the supporting device (20) is fixed on the base and supports the swing bolster (40), and the pressing device (30) is in a height-adjustable pressing structure, matched with the supporting device (20) and used for positioning the swing bolster (40). Multiple processes can be completed by the fixture special for the swing bolster independently, the fixture is convenient in clamping and aligning, assisting time can be reduced, and process is centralized, so that labor intensity of workers and labor cost are reduced, and production efficiency and processing quality are improved.

Description

The bolster special fixture
Technical field
The utility model relates to field of machining and machinebuilding technology, in particular to a kind of bolster special fixture.
Background technology
Along with socioeconomic continuous development and progress, also more and more higher to the requirement of the processing and manufacturing speed of track equipment and quality.The bolster of long-traveller light rail is the vitals of motor-car part out of shape, plays crucial effects for motor-car, and efficient in the processing and manufacturing process and quality also affect efficient and the quality that whole motor-car is manufactured.
In mechanical processing process, because the working ability of lathe is all in step by step improve, Digit Control Machine Tool begins to spread all over the machining factory building.But in current mechanical processing process, reason owing to processing method and technology, generally adopt the processing method of using multiple working procedure to process same workpiece, work in-process per pass operation all needs again workpiece to be processed to be installed the location, to satisfy the frock requirement of manufacturing procedure, so, not only increase great amount of manpower and material resources, but also will waste a large amount of unnecessary non-cutting times, not only increase processing cost, nor be beneficial to the raising of working (machining) efficiency.
The utility model content
The utility model aims to provide a kind of bolster special fixture, can finish multiple working procedure by a sleeve clamp, conveniently carries out clamping, centering, reduce non-cutting time, make the processing centralization, reduce working strength of workers, reduce human cost, enhance productivity and crudy.
To achieve these goals, according to an aspect of the present utility model, provide a kind of bolster special fixture, comprising: pedestal is fixedly installed on the workbench; Bracing or strutting arrangement is fixedly installed on the pedestal, and supports bolster; Hold down gag has adjustable for height compressing structure, and matches with bracing or strutting arrangement, the location bolster.
Further, be set with the brace table with predetermined altitude on the pedestal, the relative pedestal of brace table center is symmetrically distributed.
Further, pedestal also comprises: lifting bolt is fixedly installed on the pedestal, and has the suspension ring structure.
Further, bracing or strutting arrangement comprises: back-up block is removably disposed on the pedestal; Float and support, be arranged on the back-up block to adjustable height.
Further, the compressing structure of hold down gag comprises: the support bar assembly is removably disposed on pedestal and/or the back-up block; Pressure strip, an end are arranged on the support bar assembly, and an end is pressed on the bolster; The clamping screw assembly comprises nut and screw rod, and screw rod has external screw thread, has the screwed hole that adapts with external screw thread on pedestal and/or back-up block, and nut and the upper end of screw rod cooperate and be pressed on the middle part of pressure strip.
Further, the support bar of support bar assembly and pressure strip abutting end have positioning step, and pressure strip is connected on the positioning step.
Further, pressure strip is the U-shaped pressure strip, and the bottom of U-shaped pressure strip is arranged on the support bar assembly, and openend is arranged on the described bolster.
Further, the support bar assembly comprises the support bar of multiple different length.
Further, support bar assembly adjustable length.
Further, bar and the outer bar cover that can be arranged on up or down on the interior bar in the support bar assembly comprises, the mating part of bar cover and interior bar has the dog screw of the relative position of outer bar cover in location and interior bar outside.
According to the technical solution of the utility model, the hold down gag of bolster special fixture has adjustable for height compressing structure, can be fixed on the frock fast and stable, and can finish multi-step process by a cover frock, reduce inter process and changed the spent time of frock, improve production efficiency and crudy, effectively reduced cost.The bolster special fixture that the utility model provides can move whole bolster special fixture when needed easily because pedestal is provided with lifting bolt.Adjustable for height unsteady support makes anchor clamps can satisfy the support requirement of the bolster of differing heights, and the scope of application is more extensive, matches with adjustable for height hold down gag, can form good location to bolster.
Description of drawings
The accompanying drawing that constitutes a part of the present utility model is used to provide further understanding of the present utility model, and illustrative examples of the present utility model and explanation thereof are used to explain the utility model, does not constitute improper qualification of the present utility model.In the accompanying drawings:
Fig. 1 shows the perspective view that is in operation one clamping duty according to the bolster special fixture of embodiment of the present utility model;
Fig. 2 shows the perspective view that is in operation two clamping duties according to the bolster special fixture of embodiment of the present utility model;
Fig. 3 shows the sectional structure schematic diagram according to the support bar of the bolster special fixture of embodiment of the present utility model; And
Fig. 4 shows the main TV structure schematic diagram of the bolster relevant with embodiment of the present utility model.
The specific embodiment
Hereinafter will describe the utility model with reference to the accompanying drawings and in conjunction with the embodiments in detail.Need to prove that under the situation of not conflicting, embodiment and the feature among the embodiment among the application can make up mutually.
As shown in Figure 1, according to embodiment of the present utility model, the bolster special fixture comprises: pedestal 10 is fixedly installed on the workbench; Bracing or strutting arrangement 20 is fixedly installed on the pedestal 10, and supports bolster 40; Hold down gag 30 has adjustable for height compressing structure, and matches with bracing or strutting arrangement 20, location bolster 40.Lower surface at pedestal 10 is provided with the location structure that matches with numerical control horizontal small arc shaped workbench, this location structure is a positioning key in the present embodiment, by positioning key and the T type bolt on U-lag of offering on the pedestal 10 13 and lathe the bolster special fixture is pressed on the workbench, finishes location the bolster special fixture.This location structure also can be shop bolt.
Because hold down gag has adjustable for height compressing structure, can use a cover frock to finish the processing of multiple working procedure to bolster 40, only need be in this process in the man-hour that adds of carrying out another procedure, raise the height of tight device 30 of seamless and bracing or strutting arrangement 20 in this cover frock, the manufacturing procedure of finishing as required then requires location bolster 40, and position by hold down gag 30 and 20 pairs of bolster 40 of bracing or strutting arrangement, therefore, can in the process of carrying out multiple working procedure processing, carry out fast bolster 40, accurate in locating, and can reduce the time of changing frock, increase work efficiency thus, improve crudy, cut down finished cost.
On pedestal 10, also be provided with brace table 11, this brace table 11 has predetermined altitude, this predetermined altitude is the both sides of bolster 40 height apart from pedestal 10 when being positioned at low processing stations, add man-hour when positioning to the bolster 40 that is positioned at low processing stations, brace table 11 can play the good supporting effect to the low processing stations in the both sides of bolster 40, and cooperate with hold down gag 30, bolster 40 is formed good location structure.In order to make the support stress balance of 11 pairs of bolster 40 of brace table, brace table 11 relative pedestals 10 centers are symmetrically distributed and are fixedly installed on the pedestal 10.
It can also be seen that from Fig. 1 and Fig. 2 pedestal 10 also includes lifting bolt 12, these lifting bolt 12 quantity have a plurality of, and in the present embodiment, lifting bolt quantity 12 is four, is fixedly installed on respectively on the pedestal 10, has the suspension ring structure on it.Preferably, lifting bolt 12 is symmetrically distributed in four jiaos of pedestal 10, when needs carry out when mobile the bolster special fixture, can realize this action easily by lifting bolt 12, increased the ease of use of bolster special fixture, also be convenient to the bolster special fixture is changed, further improved operating efficiency.
From Fig. 1, it can also be seen that, the bracing or strutting arrangement 20 of the bolster special fixture of present embodiment comprises back-up block 21, be removably disposed on the pedestal 10, back-up block 21 is provided with adjustable for height unsteady support 22, can when different operation, adjust according to the differing heights of bolster 40, formation has better adaptability to the good location of bolster 40.In the present embodiment, back-up block 21 is arranged on the pedestal 10 by bolting, when back-up block 21 can not satisfy bolster 40 positioning requirements or since service time long causing when damaging, back-up block 21 can be disassembled from pedestal 10, change the back-up block 21 that to satisfy the demand then, use conveniently, change also more convenient.The structure adjusted of unsteady support 22 is adjusted the height that bolt is adjusted unsteady support 22 by turning, to satisfy the tool locating requirement for adjusting bolt.The support 22 of floating also can match with the back-up block 21 with respective threads hole for having externally threaded threaded rod structure, realizes the adjustment to the height of the support 22 of floating, so that satisfy the requirement of processing the location.
As can be seen, according to the bolster special fixture of embodiment of the present utility model, the compressing structure of hold down gag 30 comprises support bar assembly 31 from Fig. 1 and Fig. 2, is removably disposed on pedestal 10 and/or the back-up block 21; Pressure strip 32, one ends are arranged on the support bar 31, and the other end is pressed on the bolster 40; Clamping screw assembly 33 comprises nut 331 and screw rod 332, and screw rod 332 has external screw thread, has the screwed hole that adapts with external screw thread on pedestal 10 and/or back-up block 21, and nut 331 and the upper end of screw rod 332 cooperate and be pressed on the middle part of pressure strip 32.Wherein nut 331 can be one with screw rod 332, makes screwed hole relative motion on screw rod 332 and pedestal 10 and/or the back-up block 21 by rotary nut 331, thereby compresses pressure strip 32.Nut 331 also can be threaded engagement with screw rod 332, adjusts crush pad by rotary nut 331, thereby compresses pressure strip 32.Preferably, all removably be provided with support bar assembly 31 on the pedestal 10 He on the back-up block 21, correspondingly, on pedestal 10 and back-up block 21, also be provided with the screwed hole that matches with the helicitic texture of clamping screw assembly 33, so that bolster 40 is formed firm accurate in locating by cooperatively interacting between support bar assembly 31, pressure strip 32 and the clamping screw assembly 33.Support bar assembly 31 is symmetrically distributed in the both sides up and down of bolster 40, forms the even supporting construction to bolster 40.
Have positioning step at the support bar of support bar assembly 31 and the abutting end of pressure strip 32, pressure strip 32 is connected on the positioning step.Positioning step makes support bar assembly 31 to play better supporting role to pressure strip 32, prevents that effectively pressure strip 32 from sliding, causing and support locating effect unstable, that influence hold down gag 30 along the bar portion of support bar assembly 31.The shape of pressure strip 32 can be for multiple, in the present embodiment, pressure strip 32 is the U-shaped pressure strip, the bottom slotted eye of this U-shaped pressure strip is arranged on the positioning step of support bar assembly 31, openend is pressed on the bolster 40, and under the pressuring action of clamping screw assembly 33, support bar assembly 31 and bolster 40 all are subjected to the other side's reaction force, thereby compress bolster 40 by clamping screw assembly 33, finish location bolster 40.
In order to make support bar assembly 30 can satisfy the bearing length requirement of variety classes bolster 40, support bar assembly 30 comprises the support bar of multiple different length, can select the proper supporting bar according to the different size of bolster 40, thereby realize excellent support effect bolster 40.
As can be seen from Figure 3, support bar assembly 30 can also be a plurality of length-adjustable support bars.The support bar of this support bar assembly 31 comprises that interior bar 311 and the outer bar that can be arranged on up or down on the interior bar 311 overlap 312, and the mating part of bar cover 312 and interior bar 311 has the dog screw 313 of the relative position of locating outer bar cover 312 and interior bar 311 outside.
Fig. 4 is the main TV structure schematic diagram of the bolster that will locate according to the bolster special fixture of embodiment of the present utility model.
As shown in Figure 1, when carrying out the clamping of operation one, at first utilize lifting device that the bolster special fixture is hung on the workbench, utilize the positioning key location of installing on the pedestal 10, utilizing the U-lag opened on the pedestal 10 and the T type bolt on the lathe to match again is pressed on anchor clamps on the workbench, then bolster 40 is lifted on these anchor clamps, select for use support bar assembly 31 that requires than long satisfied support or the height of regulating support bar assembly 31 to proper height, support bar assembly 31 is installed in corresponding position on the pedestal 10, then pressure strip 32 is placed on support bar assembly 31 and the bolster 40, compresses bolster 40 by clamping screw assembly 33.To be installed at the support bar of bolster 40 middle parts on the back-up block 21 then, finish middle part compressing bolster 40 according to above-mentioned steps.Be adjusted at the height of the unsteady support 22 that is provided with on the back-up block 21, make it hold out against bolster 40, finish location, require bolster 40 is processed according to operation then bolster 40.
As shown in Figure 2, when carrying out the clamping of operation two, at first utilize lifting device that the bolster special fixture is hung on the workbench, utilize the positioning key location of installing on the pedestal 10, utilizing the U-lag opened on the pedestal 10 and the T type bolt on the lathe to match again is pressed on anchor clamps on the workbench, then bolster 40 is lifted on these anchor clamps, rhombus pin and circular pegs are passed bolster 40 respectively to be installed in the diamond hole 14 and circular hole 15 that is arranged on the pedestal 10 behind the circular hole that operation one fine finishining forms, formation is to bolster 40 location in the horizontal direction, the low processing stations of the left and right sides of bolster 40 partly is placed on the end face of support 10, formation is to the support of the low processing stations part in the both sides of bolster 40, select for use support bar assembly 31 that requires than short satisfied support or the height of regulating support bar assembly 31 to proper height then, support bar assembly 31 is installed in corresponding position on the pedestal 10, then pressure strip 32 is placed on support bar assembly 31 and the bolster 40, compresses bolster 40 by clamping screw assembly 33.The support bar assembly 31 that will be arranged on bolster 40 middle parts then is installed on the back-up block 21, finishes middle part compressing bolster 40 according to above-mentioned steps.Be adjusted at the height of the unsteady support 22 that is provided with on the back-up block 21, make it hold out against bolster 40, finish location, require bolster 40 is processed according to operation then bolster 40.
From above description, as can be seen, the utility model the above embodiments have realized following technique effect: can be fixed on the frock fast and stable, and can finish multi-step process by a cover frock, reduce inter process and changed the spent time of frock, improve production efficiency and crudy, effectively reduced cost.Pedestal is provided with lifting bolt, can move whole bolster special fixture easily when needed.Adjustable for height unsteady support makes anchor clamps can satisfy the support requirement of the bolster of differing heights, and the scope of application is more extensive, matches with adjustable for height hold down gag, can form good location to bolster.
The above is a preferred embodiment of the present utility model only, is not limited to the utility model, and for a person skilled in the art, the utility model can have various changes and variation.All within spirit of the present utility model and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.

Claims (10)

1. a bolster special fixture is characterized in that, comprising:
Pedestal (10) is fixedly installed on the workbench;
Bracing or strutting arrangement (20) is fixedly installed on the described pedestal (10), and supports described bolster (40);
Hold down gag (30) has adjustable for height compressing structure, and matches with described bracing or strutting arrangement (20), locatees described bolster (40).
2. bolster special fixture according to claim 1 is characterized in that, is set with the brace table (11) with predetermined altitude on the described pedestal (10), and the described relatively pedestal of described brace table (11) (10) center is symmetrically distributed.
3. bolster special fixture according to claim 1 and 2 is characterized in that, described pedestal (10) also comprises: lifting bolt (12) is fixedly installed on the described pedestal (10), and has the suspension ring structure.
4. bolster special fixture according to claim 1 and 2 is characterized in that, described bracing or strutting arrangement (20) comprising:
Back-up block (21) is removably disposed on the described pedestal (10);
Float and support (22), be arranged on to adjustable height on the described back-up block (21).
5. bolster special fixture according to claim 4 is characterized in that, the compressing structure of described hold down gag (30) comprising:
Support bar assembly (31) is removably disposed on described pedestal (10) and/or the described back-up block (21);
Pressure strip (32), an end are arranged on the described support bar assembly (31), and the other end is pressed on the described bolster (40);
Clamping screw assembly (33), comprise nut (331) and screw rod (332), described screw rod (332) has external screw thread, have the screwed hole that adapts with described external screw thread on described pedestal (10) and/or described back-up block (21), described nut (331) and the upper end of described screw rod (332) cooperate and are pressed on the middle part of described pressure strip (32).
6. bolster special fixture according to claim 5 is characterized in that, the support bar of described support bar assembly (31) and described pressure strip (32) abutting end have positioning step, and described pressure strip (32) is connected on the described positioning step.
7. bolster special fixture according to claim 6 is characterized in that, described pressure strip (32) is the U-shaped pressure strip, and the bottom of described U-shaped pressure strip is arranged on the described support bar assembly (31), and openend is arranged on the described bolster (40).
8. bolster special fixture according to claim 7 is characterized in that, described support bar assembly (31) comprises the support bar of multiple different length.
9. bolster special fixture according to claim 7 is characterized in that, described support bar assembly (31) adjustable length.
10. bolster special fixture according to claim 9, it is characterized in that, described support bar assembly (31) comprise interior bar (311) and can be arranged on up or down described in outer bar cover (312) on the bar (311), described outside bar cover (312) and described in the mating part of bar (311) have locate described outside bar cover (312) and described in the dog screw (313) of relative position of bar (311).
CN2011200374069U 2011-02-12 2011-02-12 Fixture special for swing bolster CN201913487U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011200374069U CN201913487U (en) 2011-02-12 2011-02-12 Fixture special for swing bolster

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011200374069U CN201913487U (en) 2011-02-12 2011-02-12 Fixture special for swing bolster

Publications (1)

Publication Number Publication Date
CN201913487U true CN201913487U (en) 2011-08-03

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Application Number Title Priority Date Filing Date
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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102528500A (en) * 2012-02-10 2012-07-04 中联重科股份有限公司 Turntable fixture and machine tool with same
CN102554649A (en) * 2012-01-17 2012-07-11 上海三一精机有限公司 Clamp for machining turntable and engineering machinery with clamp
CN102581652A (en) * 2011-12-20 2012-07-18 上海三一精机有限公司 Special fixture for welded parts of turntables
CN102861941A (en) * 2012-10-22 2013-01-09 铜陵正前机械装备制造有限公司 Drilling jig for rapidly drilling vehicle swing bolster
CN102922330A (en) * 2012-11-13 2013-02-13 如皋市同泰电力器材有限公司 Processing tool for fuse fitting of disconnecting switch
CN105252309A (en) * 2015-11-16 2016-01-20 哈尔滨工业大学 Clamp for water jet cutter to machine railway wagon swing bolster casting
CN105290844A (en) * 2015-11-30 2016-02-03 中国北车集团大同电力机车有限责任公司 Special clamp for two-process machining of draw bar
CN110653508A (en) * 2019-10-08 2020-01-07 中车长春轨道客车股份有限公司 Welding anti-deformation device for swing bolster of urban rail vehicle

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102581652B (en) * 2011-12-20 2014-12-03 上海三一精机有限公司 Special fixture for welded parts of turntables
CN102581652A (en) * 2011-12-20 2012-07-18 上海三一精机有限公司 Special fixture for welded parts of turntables
CN102554649A (en) * 2012-01-17 2012-07-11 上海三一精机有限公司 Clamp for machining turntable and engineering machinery with clamp
CN102554649B (en) * 2012-01-17 2014-08-27 上海三一精机有限公司 Clamp for machining turntable and engineering machinery with clamp
CN102528500A (en) * 2012-02-10 2012-07-04 中联重科股份有限公司 Turntable fixture and machine tool with same
CN102861941A (en) * 2012-10-22 2013-01-09 铜陵正前机械装备制造有限公司 Drilling jig for rapidly drilling vehicle swing bolster
CN102922330A (en) * 2012-11-13 2013-02-13 如皋市同泰电力器材有限公司 Processing tool for fuse fitting of disconnecting switch
CN105252309A (en) * 2015-11-16 2016-01-20 哈尔滨工业大学 Clamp for water jet cutter to machine railway wagon swing bolster casting
CN105290844A (en) * 2015-11-30 2016-02-03 中国北车集团大同电力机车有限责任公司 Special clamp for two-process machining of draw bar
CN110653508A (en) * 2019-10-08 2020-01-07 中车长春轨道客车股份有限公司 Welding anti-deformation device for swing bolster of urban rail vehicle

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20110803

Termination date: 20150212

EXPY Termination of patent right or utility model