CN203156274U - Combined clamp for welding of tramcar body of double-sleeper-beam low-floor tramcar. - Google Patents

Combined clamp for welding of tramcar body of double-sleeper-beam low-floor tramcar. Download PDF

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Publication number
CN203156274U
CN203156274U CN 201320163349 CN201320163349U CN203156274U CN 203156274 U CN203156274 U CN 203156274U CN 201320163349 CN201320163349 CN 201320163349 CN 201320163349 U CN201320163349 U CN 201320163349U CN 203156274 U CN203156274 U CN 203156274U
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China
Prior art keywords
car
devices
adjustable
sleeper
tramcar
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Active
Application number
CN 201320163349
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Chinese (zh)
Inventor
刘励忒
刘海波
陈崇明
李利民
周小华
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Xiangtan Electric Manufacturing Co Ltd
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Xiangtan Electric Manufacturing Co Ltd
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Priority to CN 201320163349 priority Critical patent/CN203156274U/en
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Abstract

The utility model discloses a combined clamp for the welding of the tramcar body of a double-sleeper-beam low-floor tramcar. The combined clamp comprises a clamp bottom plate and a tramcar body bottom frame, wherein a center guiding positioning device is arranged at each of two ends of the clamp bottom plate; the tramcar body bottom frame is mounted on the center guiding positioning devices; adjustable single-arm deflection support devices, up-and-down tension adjusting devices, adjustable sleeper-beam support devices and adjustable sleeper-beam support fastening devices are arranged between the tramcar body bottom frame and the clamp bottom plate; and raking prop fixing devices, adjustable side wall slant support positioning devices, flexible side wall slant tension device, adjustable side wall horizontal support positioning devices, flexible side wall horizontal tension devices, adjustable tramcar roof longitudinal propping devices and flexible tramcar roof longitudinal tension devices are arranged on the tramcar body bottom frame. The combined clamp can prevent the tramcar body from deforming during welding, meanwhile enables the welding operation to be simpler and more convenient, realizes the controllable positioned welding of the full tramcar body, guarantees the welding quality, is favorable for realizing mass production, and improves the production efficiency.

Description

The car body welding built-up jig of a kind of pair of sleeper beam low-floor electric car
Technical field
The utility model relates to the car body welding built-up jig of a kind of pair of sleeper beam low-floor electric car.
Background technology
The electric-control system of two sleeper beam low-floor electric cars is arranged in the roof position, and underframe is by two dead eyes front and back end draw beam part up, two sleeper beam parts (hydro-pneumatic spring seat is point of the minimum end of whole underframe on it), and middle-end underframe part five parts are formed; The car door design is at the right side metope, and vehicle window designs at left side metope, light-weighted car body design, thin-slab structure.Because vehicle body is long, side wall and roof bending strength are low, add that weld seam is longer, double welded joint, and all-position welding requires high, weld yielding, complex operation complex procedures, and the car body of two sleeper beam low-floor electric cars is important component parts of whole vehicle, the car body design size is had relatively high expectations, tolerance control is namely tight, and the direct welding of general craft often causes poor product quality, even scraps.
The utility model content
In order to solve the problems of the technologies described above, the utility model provides a kind of and makes that the car body welding of two sleeper beam low-floor electric cars is simple and convenient, and can guarantee the car body welding built-up jig of two sleeper beam low-floor electric cars of car body design outline size and welding quality.
The technical solution adopted in the utility model is: comprise anchor clamps base plate and car body underframe, the two ends of described anchor clamps base plate are respectively equipped with two centre pilot positioners, and the two ends of car body underframe are installed on the centre pilot positioner; Bilateral symmetry between anchor clamps base plate and the car body underframe is provided with few four pairs of single armed amount of deflection adjustable supports, strain the adjusting device up and down at least ten two pairs, at least two sleeper beam tunable center positioners and at least four pairs of sleeper beam adjustable supports positioners are provided with at least four middle adjustable supports above the described car body underframe, at least four pairs of oblique adjustable supports positioners of side wall, at least four pairs of oblique flexible take-up devices of side wall, at least two pairs of horizontal adjustable supports positioners of side wall, at least two pairs of side wall horizontal flexibility take-up devices, at least two pairs of vertical adjustable holding devices of roof, at least two pairs of roof longitudinal flexible take-up devices; The two ends of the oblique adjustable supports positioner of described side wall and the oblique flexible take-up device of side wall are connected with the strut fixture with the car body side wall respectively; The two ends of the horizontal adjustable supports positioner of described side wall and side wall horizontal flexibility take-up device are connected with the both walls of car body respectively; The two ends of the vertical adjustable holding device of described roof are connected with adjustable support on the anchor clamps base plate with the roof of car body respectively; Described roof longitudinal flexible take-up device one end is connected with roof, and the other end is connected with the adjusting of tension up and down device on the anchor clamps base plate.
In the car body welding built-up jig of above-mentioned two sleeper beam low-floor electric cars, the both sides of described car body underframe are equipped with the adjustable clamp Clincher corresponding to the wall column device of car body side wall.
In the car body welding built-up jig of above-mentioned two sleeper beam low-floor electric cars, the both sides of described car body underframe also are provided with welding job and walk duct device.
The beneficial effects of the utility model are: the utility model utilizes the centre pilot positioner that the front and back end dead eye of car body underframe is carried out guide-localization; Utilize sleeper beam tunable center positioner and sleeper beam adjustable support, realize symmetry location, center and the horizontal adjusting of two sleeper beams on the car body underframe; Utilize single armed amount of deflection adjustable support, strain the adjusting level that the adjusting device is realized underframe up and down; The relation of two sleeper beam underframe, both walls and each component locations of roof of two sleeper beam low-floor electric cars that realizes by the oblique adjustable supports positioner of side wall, the oblique flexible take-up device of side wall, the horizontal adjustable supports positioner of side wall, side wall horizontal flexibility take-up device, the vertical adjustable holding device of roof, roof longitudinal flexible take-up device, strut fixture and headwall clamping and positioning device is fixed, after spot welding is reinforced, realize two sleeper beam underframe, left and right sides side wall and the omnibearing welding of roof; Like this, both can guarantee that each spot size of car body met the design drawing dimensional requirement, can guarantee welding quality again, and make welding operation oversimplify, enhance productivity and quality.
Description of drawings
Fig. 1 is front view of the present utility model.
Fig. 2 is vertical view of the present utility model.
Fig. 3 is that A among Fig. 1 is to view.
Fig. 4 is the I place enlarged drawing among Fig. 3.
Fig. 5 is that K among Fig. 4 is to view.
Fig. 6 is the B-B cutaway view among Fig. 1.
Fig. 7 is the C-C cutaway view among Fig. 1.
Fig. 8 is the D-D cutaway view among Fig. 1.
The specific embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
Shown in Fig. 1~6, the utility model comprises anchor clamps base plate 1 and car body underframe 5, and the two ends of described anchor clamps base plate 1 are respectively equipped with two end centre pilot positioners 2, and the two ends of car body underframe 5 are installed on the end centre pilot positioner 2.As Fig. 1,3 and shown in Figure 4, centre pilot positioning seat 2-2 is equipped with on centre pilot positioner 2 tops, described end, centre pilot positioning seat 2-2 is provided with hold down gag 2-1, guide runner 2-3 and bearing locating piece 2-4, the dead eye at car body underframe 5 two ends is sleeved on the bearing locating piece 2-4, hold down gag 2-1 vertically is pressed in car body underframe 5 ends, has realized compressing, lead and locating of car body underframe 5 two ends.
Be arranged with 10,12 pairs of four pairs of single armed amount of deflection adjustable supports between anchor clamps base plate 1 and car body underframe 5 both sides and strain adjusting device 3, four pairs of sleeper beam adjustable supports 7 and two sleeper beam tunable center positioners 8 up and down, described single armed amount of deflection adjustable support 10 has transversal stretching to be regulated and locking function, it also has the up-down adjustment function, can realize the different strong points of each section of the underframe positioning supports of (comprising both sides and center); The described adjusting device 3 of straining up and down cooperates roof longitudinal flexible take-up device 19, realizes leveling, the location and fixing of car body underframe 5, as shown in Figure 8.The positioning and guiding head that described sleeper beam tunable center positioner 8 is provided with and the sleeper beam centre bore on the car body underframe 5 are realized centering location and height adjusting.
Be provided with four bearing diagonal fixtures 13 above the described car body underframe 5, four pairs of oblique adjustable supports positioners 9 of side wall, four pairs of oblique flexible take-up devices 15 of side wall, two pairs of horizontal adjustable supports positioners 14 of side wall, two pairs of side wall horizontal flexibility take-up devices 11, two pairs of vertical adjustable holding devices 6 of roof, adjustable support 4 and two pairs of roof longitudinal flexible take-up devices 19 in the middle of four roofs, the two ends of the oblique adjustable supports positioner 9 of described side wall and the oblique flexible take-up device 15 of side wall are connected 13 with car body side wall 16 respectively and connect with the bearing diagonal fixture, as shown in Figure 6.The two ends of the horizontal adjustable supports positioner 14 of described side wall and side wall horizontal flexibility take-up device 11 are connected with the both walls 16 of car body respectively, as shown in Figure 7.The two ends of the vertical adjustable holding device 6 of described roof are connected with middle adjustable support 4 on the anchor clamps base plate 1 with the roof 17 of car body respectively; Described roof longitudinal flexible take-up device 19 1 end hooks are lived the crossbeam of roof 17, and the other end is installed on the adjusting of the tension up and down device 3 on the anchor clamps base plate 1, as shown in Figure 8.The both sides of described car body underframe 5 are equipped with Universal adjustable clamping clip device 12 corresponding to the wall column device of car body side wall 16; The bearing diagonal fixture connection 13 at the middle part of car body underframe 5 and the oblique adjustable supports positioner 9 of connected side wall, the oblique flexible take-up device 15 of side wall and the horizontal adjustable supports positioner 14 of the side wall that is connected with both walls and side wall horizontal flexibility take-up device 15, realization reaches and satisfies the positioning requirements of figure paper size to the centering adjusting of both walls 16; Adjustable support 4 and the vertical adjustable holding device 6 of roof on it in the middle of the roof, and roof longitudinal flexible take-up device 19 is realized the leveling location to roof 17, so that spot welding and the firm welding requirement of each parts of car body are satisfied in the correct assembling of each parts of car body.The both sides of described car body underframe 5 also are provided with welding job and walk duct device 18, shown in Fig. 2 and 3.
Before the welding, Universal adjustable clamping clip device 12 is clamped each building block interface section of car body, guarantee that each spot welding size is solid and reliable, and can prevent the distortion of welding process.
Position to be welded, particularly roof 17 weld seams are referring to Fig. 2, Fig. 6 and Fig. 7, walk duct device 18 by welding job is installed in car body underframe 5 both sides, guarantee employee's personal safety, conveniently carry out all-position welding, thereby guaranteed the quality of welding, reached drawing dimensional requirement and specification requirement.
In addition, can realize that by the utility model the welding of whole locomotive body underframe 5, both walls 16, headwall and roof 17 is comprehensive, the control of overall process, and overall process adjusting and correction work after the welding, like this, both can guarantee that each spot size of car body met the design drawing dimensional requirement, can guarantee welding quality again, and make welding operation oversimplify, enhance productivity, satisfy batch production requirement.

Claims (4)

1. the car body of two sleeper beam low-floor electric cars welds built-up jig, it is characterized in that: comprise anchor clamps base plate and car body underframe, the two ends of described anchor clamps base plate are respectively equipped with two centre pilot positioners, and the two ends of car body underframe are installed on the centre pilot positioner; Bilateral symmetry between anchor clamps base plate and the car body underframe is provided with few four pairs of single armed amount of deflection adjustable supports, strain the adjusting device up and down at least ten two pairs, at least two sleeper beam tunable center positioners and at least four pairs of sleeper beam adjustable supports positioners are provided with at least four middle adjustable supports above the described car body underframe, at least four pairs of oblique adjustable supports positioners of side wall, at least four pairs of oblique flexible take-up devices of side wall, at least two pairs of horizontal adjustable supports positioners of side wall, at least two pairs of side wall horizontal flexibility take-up devices, at least two pairs of vertical adjustable holding devices of roof, at least two pairs of roof longitudinal flexible take-up devices; The two ends of the oblique adjustable supports positioner of described side wall and the oblique flexible take-up device of side wall are connected with the strut fixture with the car body side wall respectively; The two ends of the horizontal adjustable supports positioner of described side wall and side wall horizontal flexibility take-up device are connected with the both walls of car body respectively; The two ends of the vertical adjustable holding device of described roof are connected with adjustable support on the anchor clamps base plate with the roof of car body respectively; Described roof longitudinal flexible take-up device one end is connected with roof, and the other end is connected with the adjusting of tension up and down device on the anchor clamps base plate.
2. the car body of as claimed in claim 1 pair of sleeper beam low-floor electric car welds built-up jig, and it is characterized in that: the both sides of described car body underframe are equipped with the adjustable clamp Clincher corresponding to the wall column device of car body side wall.
3. the car body of as claimed in claim 1 pair of sleeper beam low-floor electric car welds built-up jig, and it is characterized in that: the both sides of described car body underframe also are provided with welding job and walk duct device.
4. the car body of as claimed in claim 1 pair of sleeper beam low-floor electric car welds built-up jig, it is characterized in that: the centre pilot positioning seat is equipped with on centre pilot positioner top, described end, the centre pilot positioning seat is provided with hold down gag, guide runner and bearing locating piece, the dead eye at car body underframe two ends is sleeved on the bearing locating piece, and hold down gag vertically is pressed in car body underframe end.
CN 201320163349 2013-04-03 2013-04-03 Combined clamp for welding of tramcar body of double-sleeper-beam low-floor tramcar. Active CN203156274U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201320163349 CN203156274U (en) 2013-04-03 2013-04-03 Combined clamp for welding of tramcar body of double-sleeper-beam low-floor tramcar.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201320163349 CN203156274U (en) 2013-04-03 2013-04-03 Combined clamp for welding of tramcar body of double-sleeper-beam low-floor tramcar.

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103934614A (en) * 2014-04-25 2014-07-23 上汽通用五菱汽车股份有限公司 Automobile body positioning device
CN105922209A (en) * 2016-05-04 2016-09-07 中车青岛四方机车车辆股份有限公司 Vehicle body large part replacement method
CN108436295A (en) * 2018-03-21 2018-08-24 江苏立典激光科技有限公司 A kind of dimension laser cutting equipment work-piece positioning device
CN109175941A (en) * 2018-11-12 2019-01-11 中车长春轨道客车股份有限公司 For group to the vehicle body side wall alignment positioning device of roof
CN110773896A (en) * 2019-11-12 2020-02-11 河北京车轨道交通车辆装备有限公司 Method for controlling deformation of 100% low-floor modern tramcar aluminum alloy body

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103934614A (en) * 2014-04-25 2014-07-23 上汽通用五菱汽车股份有限公司 Automobile body positioning device
CN103934614B (en) * 2014-04-25 2016-08-24 上汽通用五菱汽车股份有限公司 A kind of automotive body positioning device
CN105922209A (en) * 2016-05-04 2016-09-07 中车青岛四方机车车辆股份有限公司 Vehicle body large part replacement method
CN105922209B (en) * 2016-05-04 2018-02-02 中车青岛四方机车车辆股份有限公司 A kind of method that car body big parts are changed
CN108436295A (en) * 2018-03-21 2018-08-24 江苏立典激光科技有限公司 A kind of dimension laser cutting equipment work-piece positioning device
CN109175941A (en) * 2018-11-12 2019-01-11 中车长春轨道客车股份有限公司 For group to the vehicle body side wall alignment positioning device of roof
CN110773896A (en) * 2019-11-12 2020-02-11 河北京车轨道交通车辆装备有限公司 Method for controlling deformation of 100% low-floor modern tramcar aluminum alloy body

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