CN201329479Y - Top cover clamping device of rail vehicle - Google Patents
Top cover clamping device of rail vehicle Download PDFInfo
- Publication number
- CN201329479Y CN201329479Y CNU200820233934XU CN200820233934U CN201329479Y CN 201329479 Y CN201329479 Y CN 201329479Y CN U200820233934X U CNU200820233934X U CN U200820233934XU CN 200820233934 U CN200820233934 U CN 200820233934U CN 201329479 Y CN201329479 Y CN 201329479Y
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- Prior art keywords
- top cover
- clamping device
- rail vehicle
- plug
- binding clasp
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Abstract
A top cover clamping device of a rail vehicle comprises a plurality of inserting bases; each inserting base is fixedly arranged on the assembly platform of the top cover; a plurality of inserting parts are inserted to each inserting base; each inserting part is connected with a positioning clamp respectively; the inserting base can be a self-erecting inserting base and an inclined inserting base; and the positioning clamp can be a side beam clamp and a cover plate clamp. The top cover clamping device can be conveniently and flexibly disassembled; after the assembly welding of the top cover is completed, the top cover can be taken away from the clamping device successfully, can provide a space for the cover plate and provide conditions for other parts without generating contradiction to the positioning clamps of other parts; furthermore, the inclined surfaces and the planes used for connecting a crossbeam, the side beam, the cove plate and the like can be clamped compositely or clamped in multi-layer; and the positioning and clamping are in the same forcing direction, thus meeting the requirement of the positive-assembly welding procedure on the clamping device. The top cover clamping device has excellent generalization and commutability, effectively ensures the quality of the assembly welding and improves the production efficiency.
Description
Technical field
The utility model is about a kind of assembly clamping device of rail vehicle parts, the top cover clamping device of rail vehicles such as especially relevant a kind of electric locomotive, EMUs, railroad train, light rail, subway.
Background technology
The top cover of rail vehicles such as electric locomotive, EMUs, railroad train, light rail, subway is the synthesis by each parts weldings such as skeleton, cover plate and side bars.
The assembly welding of current track vehicle roof adopts the form of anti-assembling basically, adopts conventional clamping and positioning device to make comparisons and is grouping assembling after the simple clamping and positioning on a large platform.Concrete assembly welding step is: it is right to carry out the skeleton group earlier, and the shape of skeleton is narrow down wide, the opening upwards (opening direction of top cover need be connected with side wall with bolt down again when assemble with car body) of; After the skeleton assembly welding is finished, hang out skeleton by overhead traveling crane, then the cover plate of top cover is layered on the large platform, being sling to be pressed in by sky handlebar skeleton again again is grouping welding above the cover plate; After finishing the cover plate welding, because the opening direction of top cover is up at this moment, therefore also need re-use a kind of convertible anchor clamps, top cover is turned make its opening up.
When assembly welding, because of the flow behavior of scolder, the quality of side seam is the most desirable.But the counter assembly welding technique of assembling form is owing to be to carry out on a fixing large platform, welded part can not move adjusts the orientation, so each butt weld of top cover can only be welded by the original orientation of each parts, each butt weld can't be adjusted into level orientation welds as side seam, the butt weld meeting comprise level, vertically, various forms such as inclination, welding quality can not be guaranteed, and is easy to generate welding deformation and has influence on follow-up and assembling car body.The counter in addition form of assembling needs first assembly welding skeleton, is placed on the cover plate of top cover with the overhead traveling crane skeleton of slinging, after welding is finished, also need use turning device that top cover is overturn, and operation is very complicated, and production efficiency is low.
Be difficult to obtain and guarantee and the deficiency of complex procedures in order to overcome welding quality in the anti-assembling procedure, the form of just assembling has appearred now, promptly allow the opening of top cover be connected down and with the welding deflection machine, top cover can carry out the rotation at any angle of 360 degree under the drive of welding deflection machine like this, thereby each non-level butt weld can be adjusted into side seam, effectively guarantee welding quality; And in the process of assembly welding, placed because top cover just is downward opening positive direction originally, and therefore need not to cooperate overhead traveling crane and turning device, operation is greatly simplified, and production efficiency also increases.
In the process of assembly welding, owing to being in a uneven heating process, whole top cover has bigger residual stress, therefore when assembly welding, need adopt clamping device that the each several part of top cover is clamped, and require clamping device should have higher rigidity, and also must have separately positioning fixture to each parts such as skeleton, cover plate and side bars, these positioning fixtures not only require to guarantee the size and the accuracy of form and position separately, also will clamp with the location of the big parts of integral body simultaneously to be consistent.Each part based on top cover, the requirement clamping device can be according to the form difference of roof frame, realize earlier group to each connect crossbeam, organize each side bar again, organize then the clamping group by different level of each top cover cover plate right, that is to say and require clamping device not only can clamp side bar, and still can play the effect of clamping behind the assembling cover plate, promptly each positioning fixture of top cover clamping device has the multifunctionality of each parts of clamping top cover; And in positive assembling process, after finishing the assembly welding of cover plate, also require each positioning fixture of clamping device all can dismantle easily, and do not produce contradiction with other positioning fixture, top cover can successfully be taken away from clamping device, and this just requires clamping device to have versatility and commutativity.
But do not exist at present and a kind ofly like this can satisfy above-mentioned multi-level clamping, many merits performance, versatility and commutative top cover clamping device.
The utility model content
The technical problems to be solved in the utility model provides a kind of top cover clamping device of rail vehicle, convenient disassembly, flexible, after the top cover assembly welding is finished, top cover is successfully taken away from clamping device, abdicate the cover plate space, for other parts group to condition is provided, do not produce contradiction with the positioning fixture of other parts, have excellent versatility and commutativity.
The technical problems to be solved in the utility model provides a kind of top cover clamping device of rail vehicle, can carry out compound clamping to the inclined-plane and the plane of various connection crossbeams, side bar and cover plate etc., also can clamp at many levels, locate and be clamped in the same force direction that is subjected to, satisfied and just assembled of the requirement of assembly welding operation clamping device, can guarantee the assembly welding quality effectively, enhance productivity.
The top cover clamping device of a kind of rail vehicle that the utility model provides comprises: a plurality of plug sockets, each plug socket are fixed on the mounting plate of top cover; A plurality of plug connectors plug with each plug socket, and each plug connector is connected with positioning fixture respectively.
Preferably, plug socket can for example the welding of box-shaped platform be fixing with mounting plate, can certainly removably connect with securing member, plug socket can be selected from one or both in the middle of two kinds of vertical plug socket and the inclined plug sockets, and it can effectively be clamped rectangle or trapezoidal top cover side bar and cover plate.
Preferably, positioning fixture is selected from one or both in the middle of two kinds of side bar binding clasp and the cover plate binding clasps.Wherein the side bar binding clasp can clamp simultaneously to the inclined-plane and the last plane of side bar, when organizing cover plate, also can implement to clamp to the inclined-plane and the last plane of cover plate; And the cover plate binding clasp when carrying out the welding of two long butt welds of top cover cover plate (every fusion length L=6000mm), compresses cover plate with channel-section steel, can guarantee the flatness≤2mm of cover plate, prevents thermal deformation behind the bridge welding, has guaranteed the quality of product.
According to such scheme, the utility model is significant with respect to the effect of existing structure: top cover clamping device of the present utility model is by the assembly of pegging graft flexibly of plug connector and plug socket, after cover plate is finished the assembly welding task, the positioning fixture that on cover plate, can disassemble plug connector in time during parts such as assembling pantograph seat, air-break seat, each porcelain vase seat and connected, organize abdicating the space for other, have excellent versatility and commutativity.And the connected structure that utilizes plug connector and plug socket can be changed the various positioning fixtures that parts such as side bar, cover plate are clamped of being used at any time, can carry out the clamping of multi-level different angles, for example make on the plug connector and to connect the side bar binding clasp and come side bar is clamped, the cover plate binding clasp that connects planer-type on plug connector comes the big welding plane of cover plate is clamped comprehensively, applicability is strong, change flexibly, conveniently the various forms of clampings that the various welding that are particularly useful for being connected with the welding deflection machine are assembled.The top cover clamping device that the utlity model has connected structure is compared with existing convertible clamping device has following advantage:
1, top cover clamping device of the present utility model takes up room for a short time, and result of use is good.
2, top cover clamping device of the present utility model can be used for other various formal dress top covers and need detaching products easily assembly equipment use.
3, the change that top cover clamping device of the present utility model can be by the positioning fixture connected mode, with and the large tracts of land that is suitable for various products clamps and uses.
4, top cover clamping device of the present utility model can dwindle the radius of gyration of frock, reaches the effect of stability of rotation, is applicable to that tape welding connects the large-scale groups weldment assembly equipment that deflection machine connects.
5, top cover clamping device of the present utility model is simple in structure, low cost of manufacture.
Description of drawings
Fig. 1 is the schematic diagram that the side bar binding clasp clamps side bar in the utility model top cover clamping device, and wherein the clamping element of binding clasp main body top and inclined plane part clamps simultaneously to the inclined-plane and the end face of side bar respectively.
Fig. 2 is the left view of Fig. 1.
Fig. 3 is for being applicable to the front view of the vertical plug socket of rectangle top cover in the utility model.
Fig. 4 is that the B-B of Fig. 3 is to schematic diagram.
Fig. 5 is the vertical view of Fig. 3.
Fig. 6 is for being applicable to the front view of the inclined plug socket of trapezoidal top cover in the utility model.
Fig. 7 is that the C-C of Fig. 3 is to schematic diagram.
Fig. 8 is the vertical view of Fig. 6.
Fig. 9 is the schematic diagram of the side bar binding clasp in the utility model top cover clamping device.
Figure 10 is the left view of Fig. 9.
Figure 11 is the schematic diagram that the utility model top cover clamping device cover plate binding clasp clamps cover plate.
Figure 12 is the left view of Figure 11.
Figure 13 is the schematic diagram of the utility model top cover clamping device cover plate binding clasp.
Figure 14 is the left view of Figure 13.
Figure 15 for Figure 11 in the front view of the plug connector that is connected with the vertical beam of cover plate binding clasp.
Figure 16 is the left view of Figure 15.
Figure 17 is the vertical view of Figure 15.
The schematic diagram of the pivot pin that Figure 18 is adopted for the cover plate binding clasp is connected with plug connector.
The specific embodiment
The utility model provides a kind of top cover clamping device of rail vehicle, for example is used to clamp the top cover clamping device of HXD2 (harmonious 2 types) locomotive, and it comprises:
A plurality of plug sockets 1, as shown in Figure 1, 2, the mounting plate 2 that each plug socket 1 is fixed on top cover 7 is for example on the box-shaped platform, each plug socket 1 can be welded on the mounting plate 2, also can adopt securing member to removably connect, a plurality of plug sockets 1 are distributed in the both sides of mounting plate 2 symmetrically, and the product length L=6292mm of top cover 7 can arrange nine groups of plug sockets 1 on each limit of box-shaped platform; As Fig. 3,4, shown in 5, plug socket 1 comprises the holder 12 that the connecting plate 11 that is connected with mounting plate 2 and two bendings that are connected with connecting plate are involutory, between two holders 12, form inserting groove 13, the cross section of inserting groove 13 can rectangular or swallow-tail form, along continuous straight runs extends and open at both ends, so that the grafting piece 31 of the plug connector 3 that the back will be talked about can both be pegged graft easily from the two ends of inserting groove 13, as Fig. 1,4, shown in 5, a kind of general vertical plug socket 1, its connecting plate 11 is a vertical plate, and this vertical plug socket is applicable to the clamping device that the rectangle top cover is clamped; Shown in Fig. 6,7,8, another kind of inclined plug socket 1 ' its connecting plate 11 ' is the hang plate that has angle with vertical direction, and this inclined plug socket 1 ' is applicable to the clamping device that the rectangle top cover is clamped; Illustrate, top cover clamping device of the present utility model, to having comprised among the embodiment that rectangle and trapezoidal two-part top cover clamp, can on mounting plate 2, connect general vertical plug socket 1 and inclined plug socket 1 ' simultaneously, look the top cover shape of location to be clamped and select to connect corresponding plug socket.
A plurality of plug connectors 3, can adopt square steel to constitute, each plug connector 3 comprises with inserting groove 13 and plugs the grafting piece 31 that cooperates, the same rectangular or swallow-tail form of the cross section of grafting piece 31, shown in Fig. 1,2,9,10, the grafting piece 31 of each plug connector 3 can be plugged in the inserting groove 13 of each plug socket 1 according to the direction shown in the arrow A among Fig. 2, and each plug connector 3 is connected with positioning fixture 4 respectively.
Illustrate that at this cross sectional shape of inserting groove 13 and grafting piece 31 is not limited to rectangle and swallow-tail form, Any shape all can adopt, as long as can guarantee the grafting matching relationship of the two.Obviously, the structure of plug socket 1 and plug connector 3 also can be exchanged, even plug socket is set as the grafting piece with the minor diameter part that contracts, is involutory and forms the holder of holding tank and two bendings are set on the plug connector, as long as can realize the grafting matching relationship of plug socket and plug connector.In addition, the inserting groove 13 of plug socket 1 also not office also can select the vertical direction opening up in horizontal direction, but need the bottom of sealing be set so that the gravity of carrying plug connector 3 and the positioning fixture 4 that connects thereof at the following lower ending opening of inserting groove.
In the utility model, shown in Fig. 1,9,11, the positioning fixture 4 that each plug connector 3 is connected is selected from following two kinds: side bar binding clasp 5 and cover plate binding clasp 6, wherein side bar binding clasp 5 cooperates locating piece 50 to be used for the side bar 71 of top cover 7 is clamped, and cover plate binding clasp 6 can cooperate grooved pressing plate 60 to be used for cover plate 72 is clamped, positioning fixture 4 preferably includes this two kinds of binding clasps, can certainly only select wherein a kind of.Wherein side bar binding clasp 5 and the cover plate binding clasp 6 preferred square steel that adopt constitute.Certainly office can be according to the different positioning fixture of the different respective design of shape of product in described two kinds yet for positioning fixture.
Shown in Fig. 1,2,9,10, side bar binding clasp 5 comprises that angle D is the hook shape binding clasp main body of 130 degree, the binding clasp main body comprises top 51, inclined plane part 52 and bent plate portion 53, on top 51 and inclined plane part 52 respectively along the top 51 and the normal direction of inclined plane part 52 be provided with for example bolt of clamping element 54,55, and bent plate portion 53 is by linking together with plug connector 3 integrated modes.Wherein can be provided with boss 56, and the pinching end of 51 clamping element 54 can also be provided with pad 57 at the top, damage to avoid causing clamping at bent plate portion 53 places.
Shown in Figure 11～18, this cover plate binding clasp 6 comprises portal frame, this portal frame comprise compress crossbeam 61 with compress the vertical beam 62 that crossbeam 61 two ends are connected, be provided with a plurality of clamping elements 63 on the crossbeam 61 compressing, 64,65,66,67 bolts of M16 for example, can be provided with a plurality of clamping seats 610 in a side that clamps crossbeam 61, each clamping element 63,64,65,66,67 pass clamping seats 610 and are connected and clamp on the crossbeam 61, for the HXD2 locomotive header, spacing L1 between these clamping elements, L2, L3, L4 is respectively 400,500,500,400mm, the vertical beam 62 at two ends is connected with a plug connector 3 respectively, the vertical beam 62 at two ends strides across mounting plate 2, and the plug connector 3 that passes through to be connected is plugged on the plug socket 1 of mounting plate 2 both sides.Wherein each vertical beam 62 and each plug connector 3 by bearing pin 8 for example the pivot pin of φ 19 be connected, as shown in figure 18, bearing pin 8 is staged, have path section 81 and big footpath section 82, on big footpath section 82, preferably be provided with friction reticulate pattern 83, on vertical beam 62, be provided with for example φ 20 of through hole 620, on plug connector 3, establish corresponding elongated hole 32, make the side plate inside groove of the square steel insertion plug connector 3 of vertical beam 62 lower end band through holes 620, make the path section 81 of bearing pin 8 pass through hole 620 again and elongated hole 32 just can link together the two, big footpath section 82 is used for alignment pin 8 and is unlikely to deviate from.On plug connector 3, can also be provided with reinforcement 30, be provided with reinforcement 68 at the joint angle place that compresses crossbeam 61 and vertical beam 62.
When assembly welding top cover 7, assembling, the clamping process of this top cover clamping device are: assemble four groups of side bar binding clasps 5 on every limit of mounting plate 2, as shown in Figure 1, 2, according to the arrow A direction, each grafting piece 31 with the plate spare 3 of side bar binding clasp 5 one is inserted in the inserting groove 13 of plug socket 1, the inclined-plane and the top plan of the top 51 by the binding clasp main body and the side bar 71 of 54,55 pairs of top covers 7 of the clamping element on the inclined plane part 52 clamp simultaneously, carry out side bar 71 and the corresponding assembly welding that is connected crossbeam; As Figure 11, shown in 12, assemble five groups of cover plate binding clasps 6 in the both sides of mounting plate 2, the grafting piece 31 of plug connector 3 is independently inserted in the inserting groove 13 of plug socket 1 according to the direction of arrow A, then the square steel of vertical beam 62 lower end band φ 20 through holes 620 of the portal frame of cover plate binding clasp 6 is inserted the side plate inside groove of plug connector 3 band elongated holes 32, one end of the pivot pin 8 of φ 19 is inserted in through hole 620 and the elongated hole 32, so that plug socket 1, plug connector 3 and cover plate binding clasp 6 constitute as a whole, compress the clamping element 63 that connects on the crossbeam 61 with portal frame, 64,65,66,67 are pressed in and compress on channel-section steel 60 and the cover plate 72 and with cover plate 72 whole clampings of top cover 7, just can carry out the assembly welding of cover plate 72 afterwards, because cover plate 3 sections splicings in 72 fens, its Type of Welding that two long weld seams of 6000mm are arranged is butt welding, need the inclined-plane and the plane of cover plate 72 be clamped simultaneously just and can weld, so four groups of side bar binding clasps 5 and five groups of cover plate binding clasps 6 by the front can compress cover plate 72 enforcement mixing, adopt the cover plate binding clasp 6 of planer-type to compress than the position of broad in the middle of the cover plate 72, both sides at weld seam are narrow, adopt the inclined-plane and the last plane of 5 pairs of cover plates 72 of side bar binding clasp to compress, dock welding one by one; After welding is finished and is treated cover plate 72 coolings, the side bar binding clasp 5 of all connections of dismantling and cover plate binding clasp 6, product component such as assembling pantograph seat.
The above only is the specific embodiment of the present utility model, can not limit the scope that the utility model is implemented with this certainly, and all equivalent variations and modifications of doing according to content of the present utility model all should belong to protection domain of the present utility model.
Claims (10)
1. the top cover clamping device of a rail vehicle is characterized in that, comprising:
A plurality of plug sockets, each plug socket are fixed on the mounting plate of top cover;
A plurality of plug connectors plug with each plug socket, and each plug connector is connected with positioning fixture respectively.
2. the top cover clamping device of rail vehicle according to claim 1 is characterized in that, described plug socket is selected from the one or both in the middle of vertical plug socket and the inclined plug socket.
3. the top cover clamping device of rail vehicle according to claim 2, it is characterized in that, described vertical plug socket comprises the vertical connecting plate that is connected with mounting plate and is located at two holders that bending is involutory on the connecting plate, forms inserting groove between two holders; Described inclined plug socket comprises the connecting plate of the inclination that is connected with mounting plate and is located at two holders that bending is involutory on the connecting plate, forms inserting groove between two holders; And described plug connector comprises the grafting piece, and this grafting piece is plugged in the inserting groove.
4. the top cover clamping device of rail vehicle according to claim 3 is characterized in that, the cross section of described inserting groove and grafting piece is a swallow-tail form, and described inserting groove in horizontal direction and open at both ends.
5. the top cover clamping device of rail vehicle according to claim 2 is characterized in that, described plug socket is symmetrically distributed in the both sides of mounting plate.
6. the top cover clamping device of rail vehicle according to claim 5 is characterized in that, described positioning fixture is selected from the one or both in the middle of side bar binding clasp and the cover plate binding clasp.
7. the top cover clamping device of rail vehicle according to claim 6, it is characterized in that, this side bar binding clasp comprises the binding clasp main body of hook shape, the binding clasp main body comprises top, inclined plane part and bent plate portion, normal direction along top and inclined plane part is provided with clamping element respectively on top and inclined plane part, and this bent plate portion and plug connector are one-body molded.
8. the top cover clamping device of rail vehicle according to claim 6, it is characterized in that, this cover plate binding clasp comprises portal frame, this portal frame comprise compress crossbeam with compress the vertical beam that the crossbeam two ends are connected, be provided with a plurality of clamping elements on the crossbeam compressing, the vertical beam at two ends is connected with a described plug connector respectively, and the vertical beam at two ends strides across mounting plate, and the plug connector that passes through to be connected is plugged on the plug socket of mounting plate both sides.
9. the top cover clamping device of rail vehicle according to claim 8 is characterized in that, described vertical beam is connected by bearing pin with plug connector, is provided with through hole on vertical beam, is provided with corresponding elongated hole on plug connector, and described bearing pin passes through hole and elongated hole.
10. the top cover clamping device of rail vehicle according to claim 6 is characterized in that, described side bar binding clasp and cover plate binding clasp constitute by square steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200820233934XU CN201329479Y (en) | 2008-12-30 | 2008-12-30 | Top cover clamping device of rail vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200820233934XU CN201329479Y (en) | 2008-12-30 | 2008-12-30 | Top cover clamping device of rail vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201329479Y true CN201329479Y (en) | 2009-10-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200820233934XU Expired - Fee Related CN201329479Y (en) | 2008-12-30 | 2008-12-30 | Top cover clamping device of rail vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201329479Y (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101890606A (en) * | 2010-07-30 | 2010-11-24 | 东莞凯力船舶有限公司 | Fixture type movable jig frame |
| CN101985197A (en) * | 2010-11-30 | 2011-03-16 | 东风汽车公司 | Welding locating mechanism of passenger car top cap |
| CN102463430A (en) * | 2010-11-02 | 2012-05-23 | 西安轨道交通装备有限责任公司 | Tank car end socket pressing device, tank car end socket assembling equipment and assembling method thereof |
| CN102699600A (en) * | 2012-06-12 | 2012-10-03 | 江苏友谊汽车有限公司 | Welding mould of top frame of passenger car |
| CN104690468A (en) * | 2014-12-22 | 2015-06-10 | 武汉金运激光股份有限公司 | Self-adaption clamp for welding cover of range hood |
| CN104858598A (en) * | 2015-06-11 | 2015-08-26 | 东风汽车有限公司 | Universal bottom plate for top cover welding fixture |
| CN107934370A (en) * | 2017-11-23 | 2018-04-20 | 安徽巨自动化装备有限公司 | A kind of multiple-automobile-type roofs convey in the air and detent mechanism |
| CN112122828A (en) * | 2020-09-07 | 2020-12-25 | 中车唐山机车车辆有限公司 | Automatic centering device and method for railway passenger car roof camber beam |
-
2008
- 2008-12-30 CN CNU200820233934XU patent/CN201329479Y/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101890606A (en) * | 2010-07-30 | 2010-11-24 | 东莞凯力船舶有限公司 | Fixture type movable jig frame |
| CN101890606B (en) * | 2010-07-30 | 2012-07-04 | 东莞凯力船舶有限公司 | Fixture type movable jig frame |
| CN102463430A (en) * | 2010-11-02 | 2012-05-23 | 西安轨道交通装备有限责任公司 | Tank car end socket pressing device, tank car end socket assembling equipment and assembling method thereof |
| CN101985197A (en) * | 2010-11-30 | 2011-03-16 | 东风汽车公司 | Welding locating mechanism of passenger car top cap |
| CN102699600A (en) * | 2012-06-12 | 2012-10-03 | 江苏友谊汽车有限公司 | Welding mould of top frame of passenger car |
| CN102699600B (en) * | 2012-06-12 | 2014-07-23 | 江苏友谊汽车有限公司 | Welding mould of top frame of passenger car |
| CN104690468A (en) * | 2014-12-22 | 2015-06-10 | 武汉金运激光股份有限公司 | Self-adaption clamp for welding cover of range hood |
| CN104690468B (en) * | 2014-12-22 | 2018-08-14 | 武汉金运激光股份有限公司 | A kind of Self adapting fixture for welding kitchen ventilator cover body |
| CN104858598A (en) * | 2015-06-11 | 2015-08-26 | 东风汽车有限公司 | Universal bottom plate for top cover welding fixture |
| CN107934370A (en) * | 2017-11-23 | 2018-04-20 | 安徽巨自动化装备有限公司 | A kind of multiple-automobile-type roofs convey in the air and detent mechanism |
| CN107934370B (en) * | 2017-11-23 | 2019-05-31 | 安徽巨一自动化装备有限公司 | A kind of multiple-automobile-type roofs convey in the air and positioning mechanism |
| CN112122828A (en) * | 2020-09-07 | 2020-12-25 | 中车唐山机车车辆有限公司 | Automatic centering device and method for railway passenger car roof camber beam |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091021 Termination date: 20141230 |
|
| EXPY | Termination of patent right or utility model |