CN107825030A - A kind of ship abutment joint is without code welding equipment pressing device - Google Patents
A kind of ship abutment joint is without code welding equipment pressing device Download PDFInfo
- Publication number
- CN107825030A CN107825030A CN201710933241.5A CN201710933241A CN107825030A CN 107825030 A CN107825030 A CN 107825030A CN 201710933241 A CN201710933241 A CN 201710933241A CN 107825030 A CN107825030 A CN 107825030A
- Authority
- CN
- China
- Prior art keywords
- ship
- welded
- pressing device
- abutment joint
- welding equipment
- 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
- 238000003466 welding Methods 0.000 title claims abstract description 40
- 238000003825 pressing Methods 0.000 title claims abstract description 24
- 238000010276 construction Methods 0.000 claims abstract description 32
- 230000007246 mechanism Effects 0.000 claims abstract description 20
- 239000012530 fluid Substances 0.000 claims description 22
- 230000000694 effects Effects 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 9
- 238000000465 moulding Methods 0.000 abstract description 8
- 230000008569 process Effects 0.000 abstract description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 239000000919 ceramic Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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 for a procedure covered by only one of the other main groups of this subclass
- B23K37/04—Auxiliary devices or processes, not specially adapted for a procedure covered by only one of the other main groups of this subclass for holding or positioning work
- B23K37/0408—Auxiliary devices or processes, not specially adapted for a procedure covered by only one of the other main groups of this subclass for holding or positioning work for planar work
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The present invention relates to shipbuilding frock field, more particularly to a kind of ship abutment joint is without code welding equipment pressing device, for being fixed to two welded blanks to be welded, including for the jacking supporting construction from the fixed welded blank of bottom support, for being fixed the laminate floor beam structure of the welded blank from top, and for lifting and controlling the portal frame walking mechanism and hydraulic lifting mechanism of the laminate floor beam structure, the ship abutment joint of the present invention can assemble the side seam fast positioning of moulding bed bed board without code welding equipment pressing device, card code need not be welded in weld seam assembling process, a yard pin is not stayed after welding, jig splicing board efficiency of construction is high, process is reduced, reduce the consumed cost of flat section abutment joint construction, improve production efficiency and welding quality.
Description
Technical field
The present invention relates to field of shipbuilding, and in particular to a kind of ship abutment joint is without code welding equipment pressing device.
Background technology
When body section is built, flat section need all carry out bed board on horizontal moulding bed, and bed board butt weld uses CO2
Ceramic substrate weldering welding, realizes that single face welding and double face shaping high efficiency is welded., it is necessary to fixed weldering during the weldering welding of abutment joint ceramic substrate
Two free margins of pipe fitting, prevent misalignment, general during construction to constrain fixation, assembler by the way of card code is welded
People needs paragraph by paragraph to carry out weld seam horizontal misalignment adjustment and installation card code, after abutment joint welds, it is also necessary to it is solid to remove assembling
Determine card code, substantial amounts of code pin is left after dismounting, the code pin left is needed to carry out repair welding grinding process, and easily Ship Structure is caused
Damage.The card code being spaced apart prevents welding job, and from continuous, welding line joint is more, the increase of weld defect generation rate, influences to weld
Connect quality.The construction of flat section moulding bed bed board abutment joint needs to complete by multiple working procedure, and personnel, man-hour, material consumption are tight
Weight, low construction efficiency, influences manufacturing schedule.
The content of the invention
It is an object of the invention to for problems of the prior art, there is provided a kind of ship abutment joint is without code welding equipment pressure
Tight device, it can assemble the side seam fast positioning of moulding bed bed board, card code need not be welded in weld seam assembling process, weld
After do not stay a yard pin, jig splicing board efficiency of construction is high, and process is reduced, reduce that the construction of flat section abutment joint consumed into
This, improves production efficiency and welding quality.
The purpose of the present invention is achieved through the following technical solutions:
A kind of ship abutment joint is without code welding equipment pressing device, for two welded blanks to be welded compress admittedly
It is fixed, including:
Supporting construction is jacked, is arranged on the lower section of two welded blanks to be welded, described in being fixed from bottom support
Welded blank;
Laminate floor beam structure, the top of two welded blanks to be welded is separately positioned on, for being fixed from top
The welded blank;
Portal frame walking mechanism, including the supporting construction being separately positioned on two dragging tracks be arrangeding in parallel, and
Across the portal frame crossbeam being disposed over and both ends are connected with supporting construction respectively, it is provided with below the portal frame crossbeam
Some hydraulic lifting mechanisms for being used to lifting and controlling the laminate floor beam structure, one end and gantry of the hydraulic lifting mechanism
Frame crossbeam is connected, and the other end is connected with laminate floor beam structure.
Wherein, the laminate floor beam structure include main beam and be separately positioned on main beam side be fixed structure and
Key briquetting, the structure setting that is fixed is on the top of main beam, and one end is fixedly connected with main beam, the key pressure
Block is arranged on the bottom of main beam, and one end is rotatably connected with main beam, it is described be fixed structure and key briquetting from
Connected by end by spring fastenings, be fixed between structure and key briquetting and be provided with air bag.
As preferable, one end of the key briquetting is connected by a hinge with main beam.
Wherein, under working condition, the main beam compresses the side of welded blank, when air bag is inflated, the qin
Key briquetting compresses the opposite side of welded blank under the active force that air bag applies;When air bag unaerated, the qin
Key briquetting separates under the active force that spring fastenings apply with welded blank.
Wherein, the supporting construction includes supporting leg, and the upper end of the supporting leg passes through attachment structure and portal frame crossbeam
Connection, the lower end of the supporting leg are provided with the roller moving mechanism being connected with dragging track.
As preferable, the supporting leg structure triangular in shape, centre offers degree of lip-rounding through hole.
Wherein, the hydraulic lifting mechanism includes fluid cylinder support base and the hydraulic pressure lift liquid being arranged on inside fluid cylinder support base
Cylinder, the fluid cylinder support base are connected with portal frame crossbeam.
Wherein, in addition to it is used for the connecting plate for connecting two laminate floor beam structures, one end of the hydraulic pressure lift fluid cylinder is consolidated
It is scheduled in fluid cylinder support base, the other end is connected with the connecting plate.
Further, the bottom of the portal frame crossbeam is provided with portal frame bottom plate, the fluid cylinder support base and portal frame
Bottom plate is fixedly connected.
Wherein, the jacking supporting construction is liftable helical structure, is correspondingly arranged with key briquetting.
Relative to prior art, beneficial effects of the present invention are:
The ship abutment joint of the present invention is without code welding equipment pressing device, for being compressed to two welded blanks to be welded
It is fixed, including for the jacking supporting construction from the fixed welded blank of bottom support, it is described for being fixed from top
The laminate floor beam structure of welded blank, and for lifting and controlling the portal frame walking mechanism and liquid of the laminate floor beam structure
Hoisting mechanism is pressed, ship abutment joint of the invention can fill the side seam fast positioning of moulding bed bed board without code welding equipment pressing device
Match somebody with somebody, card code need not be welded in weld seam assembling process, do not stay a yard pin after welding, jig splicing board efficiency of construction is high, construction
Process is reduced, and is reduced the consumed cost of flat section abutment joint construction, is improved production efficiency and welding quality.
Brief description of the drawings
Fig. 1 is front view of the ship abutment joint without code welding equipment pressing device of the present invention.
Fig. 2 is side view of the ship abutment joint without code welding equipment pressing device of the present invention.
Fig. 3 is along the cross-sectional view of line A-A in Fig. 2.
Fig. 4 is the structural representation of the portal frame crossbeam of the present invention.
Fig. 5 is the structural representation of the supporting leg of the present invention.
Embodiment
Below in conjunction with drawings and the specific embodiments, the present invention will be described in detail.
Embodiment 1.
As Figure 1-3, the present embodiment provides a kind of ship abutment joint without code welding equipment pressing device, for be welded to two
The welded blank 19 connect is fixed, including:
Supporting construction 16 is jacked, is arranged on the lower section of two welded blanks 19 to be welded, is fixed for being supported from bottom
The welded blank 19;
Laminate floor beam structure 7, the top of two welded blanks 19 to be welded is separately positioned on, it is solid for being compressed from top
The fixed welded blank 19;
Portal frame walking mechanism, including the supporting construction being separately positioned on two dragging tracks be arrangeding in parallel 1, and
Across the portal frame crossbeam 4 being disposed over and both ends are connected with supporting construction respectively, the lower section of the portal frame crossbeam 4 is set
There are some hydraulic lifting mechanisms 6 for being used to lifting and controlling the laminate floor beam structure 7, one end of the hydraulic lifting mechanism 6
It is connected with portal frame crossbeam 4, the other end is connected with laminate floor beam structure 7.
The ship abutment joint of the present invention is region wheeled apparatus without code welding equipment pressing device, and laying on construction ground is slided
Track 1, a set of equipment meet the construction needs of whole region, and the pressing device can make the side seam fast positioning of moulding bed bed board
Assembling, need not weld card code in weld seam assembling process, not stay a yard pin after welding, jig splicing board efficiency of construction is high, work
Sequence is reduced, and is reduced the consumed cost of flat section abutment joint construction, is improved production efficiency and welding quality.
As shown in figure 4, the portal frame crossbeam 4 is the welding composite unit structure of a single-piece, inside is by longitudinally connected plate
Formed with lateral partitions Combination Welding, structural strength is big, and stability is strong.
Wherein, the laminate floor beam structure 7 includes main beam 12 and is separately positioned on being fixed for the side of main beam 12
Structure 11 and key briquetting 14, the top for being fixed structure 11 and being arranged on main beam 12, and one end are solid with main beam 12
Fixed connection, the key briquetting 14 is arranged on the bottom of main beam 12, and one end is rotatably connected with main beam 12, the compression
Fixed structure 11 is connected with the free end of key briquetting 14 by spring fastenings 17, is fixed structure 11 and key briquetting 14
Between be provided with air bag 15.Under working condition, the main beam 12 compresses the side of welded blank 19, when air bag 15
During inflation, the key briquetting 14 compresses the opposite side of welded blank 19 under the active force that air bag 15 applies;Work as inflation
During 15 unaerated of air bag, the key briquetting 14 separates under the active force that spring fastenings 17 apply with welded blank 19.
As preferable, one end of the key briquetting 14 is connected by a hinge 13 with main beam 12, the key pressure
Block 14 can using the support end of hinge 13 as application point, the other end air bag 15 and spring fastenings 17 realize rise or under
Drop, the collective effect of jacking supporting construction 16 with being arranged on bottom, the free end of compression welded blank 19, it is not necessary to pass through installation
The form for assembling card code is fixed, and is eliminated the code pin that card code leaves, is also eliminated the system of dismounting, repair welding, polishing of yard pin etc. one
Row work, operating efficiency are improved.
As shown in figure 5, the supporting construction includes supporting leg 3, the upper end of the supporting leg 3 passes through attachment structure 5 and dragon
Door frame crossbeam 4 connects, and the lower end of the supporting leg 3 is provided with the roller moving mechanism 2 being connected with dragging track 1.As
Preferably, 3 structure triangular in shape of supporting leg, centre offer degree of lip-rounding through hole, and structural strength is big, stable.
Wherein, the hydraulic pressure that the hydraulic lifting mechanism 6 includes fluid cylinder support base 9 and is arranged on inside fluid cylinder support base 9 carries
Fluid cylinder 18 is risen, the fluid cylinder support base 9 is connected with portal frame crossbeam 4.As preferable, the quantity of the hydraulic lifting mechanism 6
For three, the both ends and centre position of portal frame crossbeam 4 are separately positioned on, realize synchronization lifting.
Wherein, in addition to for connect two laminate floor beam structures 7 connecting plate 10, the one of the hydraulic pressure lift fluid cylinder 18
End is fixed in fluid cylinder support base 9, and the other end is connected with the connecting plate 10.Because laminate floor beam structure 7 is flat for left and right two
Capable laminate floor beam composition, the corresponding position of hydraulic pressure lift fluid cylinder 18 set connecting plate 10, two pieces laminate floor beam are connected to
One overall structure, synchronization lifting is driven by hydraulic pressure lift fluid cylinder 18.
Further, the bottom of the portal frame crossbeam 4 is provided with portal frame bottom plate 8, the fluid cylinder support base 9 and gantry
Frame bottom plate 8 is fixedly connected.
Wherein, the jacking supporting construction 16 is liftable helical structure, is correspondingly arranged with key briquetting 14, jacking support
Structure 16 is previously positioned at below the weld seam of welded blank 19, and upper surface is now adjusted to a plane horizontal with moulding bed face phase.
Implement the present invention, pressing device can be made to be directed to the horizontal jigsaw abutment joint of flat section moulding bed, using itself gasbag-type
Hold-down mechanism, change the free margins that welded blank 19 is fixed in original abutment joint installation card code formal constraint, be accurately positioned fast ram compression
Tightly, assembling something that gives the game away is eliminated, reduces polishing operation and workload, improving efficiency of construction reduces production cost.
Those of ordinary skills in the art should understand that:The discussion of any of the above embodiment is exemplary only, not
It is intended to imply that the scope of the present disclosure (including claim) is limited to these examples;Under the thinking of the present invention, above example
Or can also be combined between the technical characteristic in different embodiments, and the different aspect of the present invention as described above be present
Many other changes, in order to it is concise they do not provided in details.Therefore, within the spirit and principles of the invention,
Any omission for being made, modification, equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (10)
1. a kind of ship abutment joint is without code welding equipment pressing device, for being fixed to two welded blanks to be welded,
It is characterised in that it includes:
Supporting construction is jacked, is arranged on the lower section of two welded blanks to be welded, the welding is fixed for the support from bottom
Sheet material;
Laminate floor beam structure, the top of two welded blanks to be welded is separately positioned on, it is described for being fixed from top
Welded blank;
Portal frame walking mechanism, including the supporting construction being separately positioned on two dragging tracks be arrangeding in parallel, and across
It is disposed over and portal frame crossbeam that both ends are connected with supporting construction respectively, is provided with below the portal frame crossbeam some
For lifting and controlling the hydraulic lifting mechanism of the laminate floor beam structure, one end of the hydraulic lifting mechanism and portal frame are horizontal
Beam is connected, and the other end is connected with laminate floor beam structure.
2. ship abutment joint according to claim 1 is without code welding equipment pressing device, it is characterised in that the laminate floor beam knot
Structure includes main beam and be separately positioned on main beam side be fixed structure and key briquetting, and the structure that is fixed is set
Put on the top of main beam, and one end is fixedly connected with main beam, the key briquetting is arranged on the bottom of main beam, and one end
It is rotatably connected with main beam, the structure that is fixed is connected with the free end of key briquetting by spring fastenings, is compressed
Air bag is provided between fixed structure and key briquetting.
3. ship abutment joint according to claim 2 is without code welding equipment pressing device, it is characterised in that the key briquetting
One end is connected by a hinge with main beam.
4. ship abutment joint according to claim 2 is without code welding equipment pressing device, it is characterised in that under working condition, institute
The side that main beam compresses welded blank is stated, when air bag is inflated, effect that the key briquetting applies in air bag
The opposite side of welded blank is compressed under power;When air bag unaerated, work that the key briquetting applies in spring fastenings
It is firmly lower to be separated with welded blank.
5. ship abutment joint according to claim 1 is without code welding equipment pressing device, it is characterised in that the supporting construction bag
Supporting leg is included, the upper end of the supporting leg is connected by attachment structure with portal frame crossbeam, and the lower end of the supporting leg is provided with
The roller moving mechanism being connected with dragging track.
6. ship abutment joint according to claim 1 is without code welding equipment pressing device, it is characterised in that the supporting leg is in three
Angular structure, centre offer degree of lip-rounding through hole.
7. ship abutment joint according to claim 1 is without code welding equipment pressing device, it is characterised in that the hydraulic hoisting machine
Structure includes fluid cylinder support base and the hydraulic pressure lift fluid cylinder being arranged on inside fluid cylinder support base, and the fluid cylinder support base is horizontal with portal frame
Beam connects.
8. ship abutment joint according to claim 7 is without code welding equipment pressing device, it is characterised in that also includes being used to connect
The connecting plate of two laminate floor beam structures, one end of the hydraulic pressure lift fluid cylinder are fixed in fluid cylinder support base, the other end and institute
State connecting plate connection.
9. ship abutment joint according to claim 7 is without code welding equipment pressing device, it is characterised in that the portal frame crossbeam
Bottom be provided with portal frame bottom plate, the fluid cylinder support base is fixedly connected with portal frame bottom plate.
10. ship abutment joint according to claim 2 is without code welding equipment pressing device, it is characterised in that the jacking support
Structure is liftable helical structure, is correspondingly arranged with key briquetting.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710933241.5A CN107825030A (en) | 2017-10-10 | 2017-10-10 | A kind of ship abutment joint is without code welding equipment pressing device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710933241.5A CN107825030A (en) | 2017-10-10 | 2017-10-10 | A kind of ship abutment joint is without code welding equipment pressing device |
Publications (1)
Publication Number | Publication Date |
---|---|
CN107825030A true CN107825030A (en) | 2018-03-23 |
Family
ID=61647540
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201710933241.5A Pending CN107825030A (en) | 2017-10-10 | 2017-10-10 | A kind of ship abutment joint is without code welding equipment pressing device |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN107825030A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108500523A (en) * | 2018-06-04 | 2018-09-07 | 芜湖恒安钢结构有限公司 | A kind of seperated split welder of hull construction |
CN111055063A (en) * | 2019-12-30 | 2020-04-24 | 武昌船舶重工集团有限公司 | Shell assembly fixture |
CN112278190A (en) * | 2020-10-23 | 2021-01-29 | 中船黄埔文冲船舶有限公司 | Marine fitting-out welding auxiliary device |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6770834B1 (en) * | 2000-03-02 | 2004-08-03 | Kent Deshotel | Welding machine |
CN203356869U (en) * | 2013-06-07 | 2013-12-25 | 宝山钢铁股份有限公司 | Height adjusting device for welder copper bar |
CN203526821U (en) * | 2013-11-07 | 2014-04-09 | 深圳市鼎盛天科技有限公司 | Multifunctional welding platform |
CN104057228A (en) * | 2014-06-12 | 2014-09-24 | 中船黄埔文冲船舶有限公司 | Welding pressure frame assembly for aluminum alloy TIG welding |
CN204018933U (en) * | 2014-06-13 | 2014-12-17 | 南京南车浦镇城轨车辆有限责任公司 | A kind of stainless steel railcar modular side wall skeleton assembly welding frock |
CN204893215U (en) * | 2015-09-01 | 2015-12-23 | 成都市鸿侠科技有限责任公司 | Covering butt welding key compresses tightly welding frock |
CN105269123A (en) * | 2015-08-12 | 2016-01-27 | 上海航天精密机械研究所 | Welding device and method for titanium alloy sheets |
CN105729024B (en) * | 2016-04-29 | 2017-08-29 | 燕山大学 | Composite plate butt welding flexible support platform |
-
2017
- 2017-10-10 CN CN201710933241.5A patent/CN107825030A/en active Pending
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6770834B1 (en) * | 2000-03-02 | 2004-08-03 | Kent Deshotel | Welding machine |
CN203356869U (en) * | 2013-06-07 | 2013-12-25 | 宝山钢铁股份有限公司 | Height adjusting device for welder copper bar |
CN203526821U (en) * | 2013-11-07 | 2014-04-09 | 深圳市鼎盛天科技有限公司 | Multifunctional welding platform |
CN104057228A (en) * | 2014-06-12 | 2014-09-24 | 中船黄埔文冲船舶有限公司 | Welding pressure frame assembly for aluminum alloy TIG welding |
CN204018933U (en) * | 2014-06-13 | 2014-12-17 | 南京南车浦镇城轨车辆有限责任公司 | A kind of stainless steel railcar modular side wall skeleton assembly welding frock |
CN105269123A (en) * | 2015-08-12 | 2016-01-27 | 上海航天精密机械研究所 | Welding device and method for titanium alloy sheets |
CN204893215U (en) * | 2015-09-01 | 2015-12-23 | 成都市鸿侠科技有限责任公司 | Covering butt welding key compresses tightly welding frock |
CN105729024B (en) * | 2016-04-29 | 2017-08-29 | 燕山大学 | Composite plate butt welding flexible support platform |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108500523A (en) * | 2018-06-04 | 2018-09-07 | 芜湖恒安钢结构有限公司 | A kind of seperated split welder of hull construction |
CN111055063A (en) * | 2019-12-30 | 2020-04-24 | 武昌船舶重工集团有限公司 | Shell assembly fixture |
CN111055063B (en) * | 2019-12-30 | 2022-01-11 | 武昌船舶重工集团有限公司 | Shell assembly fixture |
CN112278190A (en) * | 2020-10-23 | 2021-01-29 | 中船黄埔文冲船舶有限公司 | Marine fitting-out welding auxiliary device |
CN112278190B (en) * | 2020-10-23 | 2022-05-10 | 中船黄埔文冲船舶有限公司 | Marine fitting-out welding auxiliary device |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN107825030A (en) | A kind of ship abutment joint is without code welding equipment pressing device | |
CN102744547B (en) | Pressing tool for assembling truck body | |
CN102363253A (en) | Positioning and welding assembly tool for pi-shaped beam of crane | |
CN209127371U (en) | A kind of tank car tank body support device | |
CN207326292U (en) | A kind of sedan-chair transports car longeron welding positioning compression device | |
CN207027315U (en) | A kind of city railway vehicle frock provision for disengagement | |
CN202804524U (en) | Compressing tool for assembly of freight car bodies | |
CN206925500U (en) | A kind of carrier-and-stacker balladeur train group is to frock | |
CN209424780U (en) | A kind of bridge expanssion joint reversible deformation welding platform | |
CN204018933U (en) | A kind of stainless steel railcar modular side wall skeleton assembly welding frock | |
CN201249822Y (en) | A locomotive underframe assembly jig | |
CN109396824B (en) | Assembling table for front frame of special vehicle | |
CN206679803U (en) | A kind of tank body welding flat board automatic turnover machine | |
CN207087215U (en) | A kind of body of a motor car Anti-dislocation soldering cramping apparatus | |
CN205129244U (en) | Truss welding template | |
CN216633205U (en) | Compressing device for welding steel plate | |
CN110576282B (en) | Split type end wall anti-deformation control assembly welding method | |
CN116372469A (en) | Steel bridge plate unit welding hydraulic overturning and reverse deformation jig frame | |
CN204980952U (en) | Fixed leg structure, frame and wheel crane | |
CN205034212U (en) | A device attaches together for making perfect assembly of floated fork truck overhead guard | |
CN203751580U (en) | Welding assisting fixture for side frame of railway vehicle bogie | |
CN202271125U (en) | Pi-shaped beam positioned welding assembly tool for crane | |
CN207416527U (en) | A kind of installation structure for power battery suitable for all-loading coach | |
CN202242846U (en) | Steel plate spring fixed end support | |
CN206982021U (en) | A kind of multifunctional dolly for loading welding machine |
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 | ||
RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180323 |
|
RJ01 | Rejection of invention patent application after publication |