CN108188641A - A kind of pre- amount of deflection modulating device of channel steel curb girder - Google Patents
A kind of pre- amount of deflection modulating device of channel steel curb girder Download PDFInfo
- Publication number
- CN108188641A CN108188641A CN201810150801.4A CN201810150801A CN108188641A CN 108188641 A CN108188641 A CN 108188641A CN 201810150801 A CN201810150801 A CN 201810150801A CN 108188641 A CN108188641 A CN 108188641A
- Authority
- CN
- China
- Prior art keywords
- curb girder
- component
- channel steel
- deflection
- profiling
- Prior art date
- Legal status (The legal status 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 status listed.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/0426—Fixtures for other work
- B23K37/0452—Orientable fixtures
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
Abstract
The invention discloses a kind of pre- amount of deflection modulating device of channel steel curb girder, including modu platform（1）, modu platform（1）Central axes（2）One end is equipped with modulation scale（3）, modulate scale（3）Both sides are arranged with the anti-torsional deflection component in middle part from inside to outside（7）, middle part positioning support component（6）, the anti-torsional deflection component in end（5）With end clamp assembly（8）；In the anti-torsional deflection component in middle part（7）Support component is positioned with middle part（6）Between, middle part positioning support component（6）With the anti-torsional deflection component in end（5）Between and the anti-torsional deflection component in end（5）Outside is equipped with profiling support（20）；Central axes（2）Other end both sides are arranged with reinforcing component from inside to outside（4）And fixation kit（9）.The pre- sag curve of the roasting method modulation of existing fire is generally multipoint mode bending rectilinear(-al)；The pre- sag curve of the device of the invention modulation is the curve or curved surface of smooth even, and modulation accuracy is high.The method of the present invention is simple to operation.
Description
Technical field
The present invention relates to a kind of pre- amount of deflection modulating devices of channel steel curb girder, belong to train chassis manufacturing technology field.
Background technology
When producing before the weldering of truck under-frame central sill group, need to carry out channel steel curb girder the modulation of pre- amount of deflection, it is ensured that lorry bottom
Frame is not sagging to be happened.The prior art in truck under-frame curb girder production process, usually adopt by the pre- amount of deflection modulation of channel steel curb girder
With the pre- amount of deflection of modulation or the easy pre- amount of deflection modulation tooling of warming oneself by a fire, the pre- sag curve using the pre- amount of deflection of heating modulation of warming oneself by a fire is general
For multipoint mode bending rectilinear(-al), and use easy pre- amount of deflection modulation tooling that can not ensure pre- sag curve uniformity.
Invention content
The object of the present invention is to provide a kind of pre- amount of deflection modulating device of channel steel curb girder, to ensure channel steel curb girder two axles
Between pre- amount of deflection line be smooth even curve or curved surface, so as to overcome the deficiencies in the prior art.
The technical proposal of the invention is realized in this way：
A kind of pre- amount of deflection modulating device of channel steel curb girder of the present invention, including modu platform, central axes one end of modu platform is equipped with
Scale is modulated, modulation scale both sides are arranged with the anti-torsional deflection component in middle part, middle part positioning support component, end from inside to outside
Anti- torsional deflection component and end clamp assembly；Between the anti-torsional deflection component in middle part and middle part positioning support component, middle part
Profiling support is equipped on the outside of the anti-torsional deflection component between positioning support component and the anti-torsional deflection component in end and end；
Central axes other end both sides are arranged with reinforcing component and fixation kit from inside to outside.
In the aforementioned pre- amount of deflection modulating device of channel steel curb girder, the modu platform includes supporting steel plate, the bottom surface of supporting steel plate
It is welded with latticed stiffener plate.
In the aforementioned pre- amount of deflection modulating device of channel steel curb girder, the cross sectional shape of the modulation scale is rectangle or T-shaped, is modulated
Scale bottom and the supporting steel plate top surface of modu platform are welded, and modulation scale is equipped with metering scale.
In the aforementioned pre- amount of deflection modulating device of channel steel curb girder, the anti-torsional deflection component in the middle part and the anti-torsional deflection group in end
Part includes pressing plate and a pair of posts；Pillar bottom end and the supporting steel plate top surface of modu platform are welded, and pillar top is equipped with sliding slot, sliding
Pressing plate is equipped in slot, pressing plate both ends are slidably connected with sliding slot, and pressing plate bottom is equipped with profiling briquetting, the shape of profiling briquetting and and slot
Shape corresponds in the slot of steel curb girder.
In the aforementioned pre- amount of deflection modulating device of channel steel curb girder, the middle part positioning support component includes a pair of of profiling and supports, and one
The base and supporting steel plate of profiling support are welded, a pair of of profiling support is connected through connecting plate.
In the aforementioned pre- amount of deflection modulating device of channel steel curb girder, the end clamp assembly includes being welded on profiling support and support
It is connect on steel plate with attachment lug, attachment lug through axis pin with the middle part of right angle pressing plate and one end, the other end weldering of right angle pressing plate
Round nut is connected to, fastening screw is equipped in round nut, handle is equipped at the top of fastening screw.
In the aforementioned pre- amount of deflection modulating device of channel steel curb girder, the pair of reinforcing component is located in the middle part of channel steel curb girder to apply
Modulation forces, fixation kit are located at channel steel curb girder end for fixing channel steel curb girder；It reinforces component and fixation kit and includes pedestal,
The supporting steel plate top surface of base side and modu platform is welded, and base top surface is connect through bolt assembly with cylinder body one end, and cylinder body is another
It is welded through cylinder body support and the supporting steel plate top surface of modu platform one end；The telescopic rod of the cylinder body other end, which applies channel steel curb girder, presses
Power；The end of a pair of reinforcing component is equipped with profiling jacking block.
By adopting the above-described technical solution, compared with prior art, the present invention pre- the scratching of method modulation that existing fire is baked
Line of writing music is generally multipoint mode bending rectilinear(-al)；And the curve that the pre- sag curve of the device of the invention modulation is smooth even
Or curved surface, modulation accuracy is high, and the present invention also has many advantages, such as that method is simple, operation is easy.
Description of the drawings
Fig. 1 is the device of the invention schematic diagram；
Fig. 2 is the schematic diagram of Fig. 1 bottom surfaces；
Fig. 3 is the schematic diagram that channel steel curb girder is modulated in the device of the invention.
In figure：1- modu platforms, 2- central axes, 3- modulation scale, 4- reinforcing component, the anti-torsional deflection component in 5- ends,
Positioning support component, the anti-torsional deflection component in 7- middle parts, 8- ends clamp assembly, 9- fixation kits, 10- channel steels side in the middle part of 6-
Beam, 11- pedestals, 12- bolt assemblies, 13- cylinder bodies, the support of 14- cylinder bodies, 15- supporting steel plates, the latticed stiffener plates of 16-, 17-
Pillar, 18- pressing plates, 19- profilings briquetting, 20- profilings support, 21- connecting plates, 22- telescopic rods, 23- profiling jacking blocks；24- connections
Auricle, 25- right angles pressing plate, 26- axis pins, 27- round nuts, 28- fastening screws, 29- sliding slots.
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawings and examples, but not as to any of the present invention
Limitation.
A kind of pre- amount of deflection modulating device of channel steel curb girder of the present invention, as depicted in figs. 1 and 2：Including modu platform 1, modulation
2 one end of central axes of platform 1 is equipped with modulation scale 3, and 3 both sides of modulation scale are arranged with the anti-torsional deflection group in middle part from inside to outside
Part 7, middle part positioning support component 6, the anti-torsional deflection component 5 in end and end clamp assembly 8；In the anti-torsional deflection component in middle part
Between 7 and middle part positioning support component 6, middle part positions between support component 6 and the anti-torsional deflection component 5 in end and end is prevented
5 outside of torsional deflection component is equipped with profiling support 20；2 other end both sides of central axes are arranged with reinforcing component 4 from inside to outside
With fixation kit 9.Modu platform 1 includes supporting steel plate 15, and the bottom surface of supporting steel plate 15 is welded with latticed stiffener plate 16.It adjusts
The cross sectional shape of scale 3 processed is rectangle or T-shaped, and modulation 3 bottom of scale and 15 top surface of supporting steel plate of modu platform 1 are welded,
It modulates scale 3 and is equipped with metering scale.The anti-torsional deflection component 5 of the anti-torsional deflection component 7 in middle part and end includes 18 He of pressing plate
A pair of posts 17；17 bottom end of pillar and 15 top surface of supporting steel plate of modu platform 1 are welded, and 17 top of pillar is equipped with sliding slot 29, sliding
Pressing plate 18 is equipped in slot 29,18 both ends of pressing plate are slidably connected with sliding slot 29, and 18 bottom of pressing plate is equipped with profiling briquetting 19, profiling briquetting
19 shape is corresponding with shape in the slot of channel steel curb girder 10.Middle part positioning support component 6 includes a pair of of profiling and supports 20, a pair
The base of profiling support 20 is welded with supporting steel plate 15, and a pair of of profiling support 20 is connected through connecting plate 21.End clamp assembly 8 wraps
It includes and is welded on attachment lug 24 on profiling support 20 and supporting steel plate 15, attachment lug 24 is through axis pin 26 and right angle pressing plate 25
Middle part is connected with one end, and the other end of right angle pressing plate 25 is welded with round nut 27, is equipped with fastening screw 28 in round nut 27, holds out against
28 top of screw rod is equipped with handle.A pair of reinforcing component 4 is located at 10 middle part of channel steel curb girder for applying modulation forces, fixation kit 9
It is used to fix channel steel curb girder 10 in 10 end of channel steel curb girder；It reinforces component 4 and fixation kit 9 and includes pedestal 11,11 side of pedestal
Face and 15 top surface of supporting steel plate of modu platform 1 are welded, and 11 top surface of pedestal is connect through bolt assembly 12 with 13 one end of cylinder body, cylinder body
13 other ends are welded through cylinder body support 14 and 15 top surface of supporting steel plate of modu platform 1；The telescopic rod 22 of 13 other end of cylinder body is right
Channel steel curb girder 10 applies pressure；The end of a pair of reinforcing component 4 is equipped with profiling jacking block 23.
Embodiment
The pre- amount of deflection modulating device of channel steel curb girder of this example is mainly used for carrying out pre- amount of deflection modulation to channel steel curb girder.The slot of this example
Channel steel of the steel curb girder cross sectional shape as shown in label 10 in Fig. 3.According to the characteristics of modulation object, the pre- amount of deflection of channel steel curb girder of this example
Modulating device mainly by the modu platform of bottom 1 and is fixed on the modulation scale 3 of 1 top surface of modu platform, reinforcing component 4, holds
The anti-torsional deflection component 5 in portion, middle part positioning support component 6, the anti-torsional deflection component 7 in middle part, end clamp assembly 8, fixed group
Part 9 and one group of 20 composition of profiling support.
Modu platform 1 includes the supporting steel plate 15 that 13000 × 2200 × 30mm steel plates are formed, the weldering of 15 bottom of supporting steel plate
It is connected to latticed stiffener plate 16.Modu platform 1 plays bearing capacity, prevents channel steel curb girder 10 during the modulation of curb girder amount of deflection from turning over
Turn.Middle part positioning support component 6 is welded on the position of the 350mm outside 10 center line of channel steel curb girder installation cartridge backing plate, not shadow
Ring the flatness of cartridge backing plate installation.Middle part positioning support component 6 includes a pair of of profiling and supports 20, and profiling supports the welding of 20 bottom surfaces
In 1 top surface of modu platform, to prevent channel steel curb girder 10 from deforming, a pair of of profiling support 20 is linked together progress by connecting plate 21
It reinforces.The anti-torsional deflection component 5 of the anti-torsional deflection component 7 in middle part and end is by pressing plate 18 and a pair of posts 17；17 bottom of pillar
End and 15 top surface of supporting steel plate of modu platform 1 are welded, and 17 top of pillar is equipped with sliding slot 29, and pressing plate 18, pressure are equipped in sliding slot 29
18 both ends of plate are slidably connected with sliding slot 29,18 bottom of pressing plate be equipped with profiling briquetting 19, the shape of profiling briquetting 19 with channel steel side
Shape corresponds in the slot of beam 10.Profiling briquetting 19 is pressed in the slot of channel steel curb girder 10 to ensure that channel steel curb girder 10 does not occur during modulation
Torsional deflection.This positioning profiling baffle is formed by four groups, is welded on the carrier of bottom using steel plate, while is ensured in being located at
Deflection deformation does not occur with inside with channel steel curb girder 10 between the anti-torsional deflection component 5 of the anti-torsional deflection component 7 in portion and end,
And ensure planarity requirements.Profiling jacking block 23 is mounted on 22 end of telescopic rod, profiling jacking block 23 and 10 contact site of channel steel curb girder
It is consistent with 10 top pressure position shape of channel steel curb girder, prevent top pressure position from deforming.Modulation scale 3 is welded on modu platform 1, imitative
During 23 top pressure channel steel curb girder 10 of shape jacking block, 10 center line displacement distance of observation channel steel curb girder, the size of consideration curb girder springback capacity, really
Determine top pressure distance, the pre- amount of deflection of curb girder is made to meet technology requirement.The effect of end clamp assembly 8 is by fixed 10 both ends of channel steel curb girder
It is fixed.End clamp assembly 8 includes being welded on profiling support 20 and supporting steel plate 15 to pass through with attachment lug 24, attachment lug 24
Axis pin 26 is connect with the middle part of right angle pressing plate 25 and one end, and the other end of right angle pressing plate 25 is welded with round nut 27, round nut 27
Interior to be equipped with fastening screw 28,28 top of fastening screw is tightened equipped with handle with facilitating.It is equipped in 10 length direction of channel steel curb girder more
A profiling support 20, each profiling support 20 and the web contact surface of channel steel curb girder 10 are in same level, each profiling
Support 20 and the wing plate contact surface of channel steel curb girder 10 are in same vertical plane.
Before being modulated, as shown in Figure 3.First by the lateral surface of channel steel curb girder 10 and the profiling face paste of profiling support 20
Tightly.10 both ends of channel steel curb girder are fixed by end clamp assembly 8.In the short side medial surface that top surface is close to each profiling support
It is placed in the L-shaped notch of profiling support, then the profiling by the anti-torsional deflection component 7 of the anti-torsional deflection component 5 in end and middle part
Briquetting 19 is pressed into the slot of channel steel curb girder 10, is then first started the fixation kit 9 positioned at 1 both ends of modu platform, is made fixation kit 9
In the stretching of telescopic rod 19 hold out against 10 both ends of channel steel curb girder and fix channel steel curb girder 10.Restart positioned at 10 middle part of channel steel curb girder
Two reinforcing components 4, slowly pressurize, and 10 middle part of channel steel curb girder is made to generate pre- deflection deformation, channel steel side is observed while pressurizeing
The position that 10 edge of beam is aligned with modulation scale considers the springback capacity after 10 release of channel steel curb girder, the pre- amount of deflection of central sill is made to meet skill
Art requirement.
Claims (7)
1. a kind of pre- amount of deflection modulating device of channel steel curb girder, including modu platform（1）, it is characterised in that：In modu platform（1）In
Axis（2）One end is equipped with modulation scale（3）, modulate scale（3）Both sides are arranged with the anti-torsional deflection component in middle part from inside to outside
（7）, middle part positioning support component（6）, the anti-torsional deflection component in end（5）With end clamp assembly（8）；At middle part, anti-torsion becomes
Shape component（7）Support component is positioned with middle part（6）Between, middle part positioning support component（6）With the anti-torsional deflection component in end（5）
Between and the anti-torsional deflection component in end（5）Outside is equipped with profiling support（20）；Central axes（2）Other end both sides are by introversion
External symmetry is equipped with reinforcing component（4）And fixation kit（9）.
2. the pre- amount of deflection modulating device of channel steel curb girder according to claim 1, it is characterised in that：The modu platform（1）Including
Supporting steel plate（15）, supporting steel plate（15）Bottom surface be welded with latticed stiffener plate（16）.
3. the pre- amount of deflection modulating device of channel steel curb girder according to claim 1, it is characterised in that：The modulation scale（3）Cut
Face shape is rectangle or T-shaped, modulates scale（3）Bottom and modu platform（1）Supporting steel plate（15）Top surface is welded, modulation mark
Ruler（3）It is equipped with metering scale.
4. the pre- amount of deflection modulating device of channel steel curb girder according to claim 1, it is characterised in that：The anti-torsional deflection group in middle part
Part（7）With the anti-torsional deflection component in end（5）Including pressing plate（18）And a pair of posts（17）；Pillar（17）Bottom end and modu platform
（1）Supporting steel plate（15）Top surface is welded, pillar（17）Top is equipped with sliding slot（29）, sliding slot（29）It is interior to be equipped with pressing plate（18）, pressure
Plate（18）Both ends and sliding slot（29）It is slidably connected, pressing plate（18）Bottom is equipped with profiling briquetting（19）, profiling briquetting（19）Shape
With with channel steel curb girder（10）Slot in shape correspond to.
5. the pre- amount of deflection modulating device of channel steel curb girder according to claim 1, it is characterised in that：The middle part positions support component
（6）It is supported including a pair of of profiling（20）, a pair of of profiling support（20）Base and supporting steel plate（15）Welding, a pair of of profiling support
（20）Through connecting plate（21）Connection.
6. the pre- amount of deflection modulating device of channel steel curb girder according to claim 1, it is characterised in that：The end clamp assembly（8）
Including being welded on profiling support（20）And supporting steel plate（15）Upper and attachment lug（24）, attachment lug（24）Through axis pin（26）With
Right angle pressing plate（25）Middle part connected with one end, right angle pressing plate（25）The other end be welded with round nut（27）, round nut（27）
It is interior to be equipped with fastening screw（28）, fastening screw（28）Top is equipped with handle.
7. the pre- amount of deflection modulating device of channel steel curb girder according to claim 1, it is characterised in that：The reinforcing component（4）It is located at
Channel steel curb girder（10）Middle part is used to apply modulation forces, fixation kit（9）Positioned at channel steel curb girder（10）End is used to fix channel steel side
Beam（10）；Reinforce component（4）And fixation kit（9）Include pedestal（11）, pedestal（11）Side and modu platform（1）Support
Steel plate（15）Top surface is welded, pedestal（11）Top surface is through bolt assembly（12）With cylinder body（13）One end connects, cylinder body（13）The other end
It is supported through cylinder body（14）With modu platform（1）Supporting steel plate（15）It welds top surface；Cylinder body（13）The telescopic rod of the other end（22）
To channel steel curb girder（10）Apply pressure；A pair of reinforcing component（4）End be equipped with profiling jacking block（23）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810150801.4A CN108188641A (en) | 2018-02-13 | 2018-02-13 | A kind of pre- amount of deflection modulating device of channel steel curb girder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810150801.4A CN108188641A (en) | 2018-02-13 | 2018-02-13 | A kind of pre- amount of deflection modulating device of channel steel curb girder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108188641A true CN108188641A (en) | 2018-06-22 |
Family
ID=62593465
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810150801.4A Pending CN108188641A (en) | 2018-02-13 | 2018-02-13 | A kind of pre- amount of deflection modulating device of channel steel curb girder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108188641A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101623722A (en) * | 2008-07-07 | 2010-01-13 | 胜狮货柜技术研发（上海）有限公司 | Method and device for correcting bending deformation of main beam of container |
| US20100171250A1 (en) * | 2004-01-19 | 2010-07-08 | John Bolland Reast | Anti-roll leaf spring suspension |
| CN202028661U (en) * | 2011-04-04 | 2011-11-09 | 红塔烟草(集团)有限责任公司 | Angle control device of pipe bender |
| CN203282116U (en) * | 2013-06-03 | 2013-11-13 | 中国北车集团大同电力机车有限责任公司 | Side wall installing and welding tool of electric locomotive |
| CN203918307U (en) * | 2014-05-27 | 2014-11-05 | 唐山轨道客车有限责任公司 | Positioning compression welding equipment and assembly welding workbench |
| CN204018978U (en) * | 2014-06-19 | 2014-12-17 | 南京南车浦镇城轨车辆有限责任公司 | Subway side wall automatic welding flexibility frock |
| CN104368937A (en) * | 2014-11-19 | 2015-02-25 | 南车青岛四方机车车辆股份有限公司 | Fast bogie side beam installing and welding device |
| CN104384354A (en) * | 2014-11-14 | 2015-03-04 | 长春轨道客车股份有限公司 | Bending and shaping die of vehicle door profile |
| CN206369618U (en) * | 2017-01-15 | 2017-08-01 | 东北石油大学 | Electric Submersible Pump Unit bending stiffness test device |
| CN207914876U (en) * | 2018-02-13 | 2018-09-28 | 中车贵阳车辆有限公司 | A kind of pre- amount of deflection modulating device of channel steel curb girder |
-
2018
- 2018-02-13 CN CN201810150801.4A patent/CN108188641A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100171250A1 (en) * | 2004-01-19 | 2010-07-08 | John Bolland Reast | Anti-roll leaf spring suspension |
| CN101623722A (en) * | 2008-07-07 | 2010-01-13 | 胜狮货柜技术研发（上海）有限公司 | Method and device for correcting bending deformation of main beam of container |
| CN202028661U (en) * | 2011-04-04 | 2011-11-09 | 红塔烟草(集团)有限责任公司 | Angle control device of pipe bender |
| CN203282116U (en) * | 2013-06-03 | 2013-11-13 | 中国北车集团大同电力机车有限责任公司 | Side wall installing and welding tool of electric locomotive |
| CN203918307U (en) * | 2014-05-27 | 2014-11-05 | 唐山轨道客车有限责任公司 | Positioning compression welding equipment and assembly welding workbench |
| CN204018978U (en) * | 2014-06-19 | 2014-12-17 | 南京南车浦镇城轨车辆有限责任公司 | Subway side wall automatic welding flexibility frock |
| CN104384354A (en) * | 2014-11-14 | 2015-03-04 | 长春轨道客车股份有限公司 | Bending and shaping die of vehicle door profile |
| CN104368937A (en) * | 2014-11-19 | 2015-02-25 | 南车青岛四方机车车辆股份有限公司 | Fast bogie side beam installing and welding device |
| CN206369618U (en) * | 2017-01-15 | 2017-08-01 | 东北石油大学 | Electric Submersible Pump Unit bending stiffness test device |
| CN207914876U (en) * | 2018-02-13 | 2018-09-28 | 中车贵阳车辆有限公司 | A kind of pre- amount of deflection modulating device of channel steel curb girder |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207914876U (en) | A kind of pre- amount of deflection modulating device of channel steel curb girder | |
| CN101774100A (en) | Adjustable position welding device of space truss structure | |
| CN108188641A (en) | A kind of pre- amount of deflection modulating device of channel steel curb girder | |
| US9278384B2 (en) | Press brake | |
| CN112536341A (en) | Repair welding and deformation correction device and method for military vehicle longitudinal beam | |
| CN207914358U (en) | A kind of pre- amount of deflection modulating device of I-shaped central sill | |
| CN203751040U (en) | Metal plate straightening device | |
| CN215545988U (en) | Positioning welding device for mixer truck chassis | |
| KR20190135183A (en) | A system for combining axis and wheel of train by press type | |
| CN210060224U (en) | Tank wagon sub vehicle frame welding frock | |
| CN108435834A (en) | A kind of pre- amount of deflection modulating device of I-shaped central sill | |
| RU2215606C2 (en) | Apparatus for upsetting and mounting in heated state wear-resistant cover plates in ports of journal boxes of lateral frame of truck | |
| CN109396824B (en) | Assembling table for front frame of special vehicle | |
| CN109604384B (en) | High-strength box-type column distortion on-site correction method | |
| CN108340069B (en) | Prestress clamp for preventing workpiece deformation based on friction stir welding | |
| CN208840776U (en) | A kind of long weldment welding tooling of single-track turnout π shape | |
| CN106271284B (en) | Group mounted welder for bent section | |
| CN209335164U (en) | Framework fixes device | |
| CN106735861A (en) | A kind of go-cart and weld jig | |
| KR20090100120A (en) | Automatic triplex bonding apparatus with inclined bonding prevent function | |
| CN211614716U (en) | Welding tool for garbage truck carriage frame | |
| CN206455293U (en) | A kind of stroller and weld jig | |
| CN216226236U (en) | Correcting and clamping device for front cabin beam assembly | |
| CN220717267U (en) | Correction device for deformation of thin cover plate | |
| CN212955316U (en) | Leveling equipment for plane target |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |