CN109048172A - A kind of Steel Bridge curve drum rod piece production assembling device and its production assemble method - Google Patents

A kind of Steel Bridge curve drum rod piece production assembling device and its production assemble method Download PDF

Info

Publication number
CN109048172A
CN109048172A CN201811175294.6A CN201811175294A CN109048172A CN 109048172 A CN109048172 A CN 109048172A CN 201811175294 A CN201811175294 A CN 201811175294A CN 109048172 A CN109048172 A CN 109048172A
Authority
CN
China
Prior art keywords
web
cover plate
rod piece
drum rod
production
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
Application number
CN201811175294.6A
Other languages
Chinese (zh)
Inventor
刘治国
车平
李军平
王志翔
薛红强
常彦虎
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Railway Baoji Bridge Group Co Ltd
Original Assignee
China Railway Baoji Bridge Group Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by China Railway Baoji Bridge Group Co Ltd filed Critical China Railway Baoji Bridge Group Co Ltd
Priority to CN201811175294.6A priority Critical patent/CN109048172A/en
Publication of CN109048172A publication Critical patent/CN109048172A/en
Pending legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K37/00Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
    • B23K37/04Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
    • B23K37/0426Fixtures for other work
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K31/00Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
    • B23K31/02Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to soldering or welding

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Butt Welding And Welding Of Specific Article (AREA)

Abstract

The invention discloses a kind of Steel Bridge curve drum rod piece production assembling device and production assemble methods, production assembling device has used the composite structure of multiple groups overturn-preventing side block, multiple web heights adjustment device, upper cover plate height adjusting device and lower cover plate height adjusting device and assembly platform, realize the height that can accurately adjust web and cover board, it is ensured that the production assembly precision and weld industry of curve drum rod piece;Cooperation production assembling device, ensure the production assembly precision and weld industry of curve drum rod piece, by controlling assembly precision in the assembled position that dedicated assembling jig frame adjusts web and cover board, then using the technology controlling and process welding deformation being symmetrically welded in the same direction, it can adapt to the production requirement of big cross section difference curve drum rod piece, both the precision that ensure that the production of curve drum rod piece, can also guarantee the production quality of curve drum rod piece, while improving production efficiency.

Description

A kind of Steel Bridge curve drum rod piece production assembling device and its production assemble method
Technical field
The invention belongs to Steel Bridge manufacturing technology fields, and in particular to a kind of Steel Bridge curve drum rod piece assembling device and Its assemble method.
Background technique
In recent years, steel plate combination beam has become a kind of common bridge structure, since bearing load is larger, roll forming I-steel is undersized, is unable to satisfy structure stress requirement, and therefore, I-steel used in steel plate combination beam need to be welded by factory And it forms.
Due to being usually horizontal curve structure by landform or effect on building steel plate combination beam, brought to factory's manufacture certain Difficulty also affects manufacturing quality and production efficiency.
Steel Bridge curve drum rod piece uses the opsition dependent line assembly welding on platform in the prior art, for assembled position Adjustment can only be adjusted by jack, one side personnel investment it is more, packaging efficiency is low, precision is also poor, on the other hand welding Quality is also not easy to guarantee.
The invention proposes a kind of Steel Bridge curve drum rod piece production assembling device and its systems in order to solve problem above Make assemble method.
Summary of the invention
The object of the invention is that providing a kind of Steel Bridge curve drum rod piece production group to solve the above-mentioned problems Assembling device and its production assemble method.
The present invention through the following technical solutions to achieve the above objectives:
A kind of Steel Bridge curve drum rod piece makes assembling device, including assembling jig frame, assembling jig frame include:
Assembly platform;
Multiple groups overturn-preventing side block;Multiple groups overturn-preventing side block is evenly spaced to be mounted on assembly platform, each group of two anti-dumpings It is identical to cover the distance between side block;
Multiple web heights adjust device;Device is evenly spaced is mounted on assembly platform for the adjustment of multiple web heights;
Multiple cover board height adjusters;Cover board height adjuster includes upper cover plate height adjusting device and lower cover plate height tune Engagement positions;One upper cover plate height adjusting device and lower cover plate height adjusting device form one group and corresponding are mounted on one On the assembly platform of a web height adjustment device two sides.
Preferably, web height adjustment device and cover board height adjuster are adjusting screw.
It is further preferred that the distance between two neighboring web height adjustment device is 1~4 meter.
A kind of Steel Bridge curve drum rod piece production group based on above-mentioned Steel Bridge curve drum rod piece production assembling device Dress method, comprising the following steps: Steel Bridge curve drum rod piece includes web and two cover boards for being mounted on web two sides;
One: according in the method for straight Dai Qu, one control point being set according to certain distance, is marked on upper cover plate, lower cover plate The assembled position line of web;
Two: by mapping software setting-out, the linear data of web curve are determined, according to the data point reuse curve drum assembling jig frame Epiplastron position control point;
Three: when curve drum rod piece part blanking, two-sided welding groove is cut in one end, and the other end reserves 50mm and matches the amount of cutting;
Four: web being placed on assembling jig frame, whether detection web and the top of web height adjustment device are closely connected, if curve The curvature of drum is too small, then web is carried out to preliminary roll bending by bending roll machine, to ensure web by from Beijing South Maxpower Technology Co. Ltd and web Height adjuster top is closely connected;
Five: upper cover plate, lower cover plate being respectively placed in web two sides, the height of upper cover plate is adjusted by upper cover plate height adjusting device Degree adjusts the height of lower cover plate by lower cover plate height adjusting device, and whether the web position line on inspection upper cover plate, lower cover plate Reach manufacture with web edge to require;
Six: after passed examination, the tack weld of welding upper cover plate, lower cover plate and web;
Seven: using symmetrical, synchronous welding, welding the main weld of web and upper cover plate, lower cover plate from one end to the other side;
Eight: curve drum rod piece flipping an angle to be placed on assembling jig frame after the completion of welding and welds another side weld;
Nine: the stiffener on assembly welding curve drum rod piece;
Ten: the welding groove of the cutting curve drum rod piece other end after detection is qualified completes the system of Steel Bridge curve drum rod piece Make.
The beneficial effects of the present invention are:
1, a kind of Steel Bridge curve drum rod piece production assembling device has used multiple groups overturn-preventing side block, multiple web height tune The composite structure of engagement positions, upper cover plate height adjusting device and lower cover plate height adjusting device and assembly platform, realizing can essence The really height of adjustment web and cover board, it is ensured that the production assembly precision and weld industry of curve drum rod piece.
2, cooperate assembling device, it is ensured that the production assembly precision and weld industry of curve drum rod piece, by special Assembly precision is controlled with the assembled position that assembling jig frame adjusts web and cover board, then using the technology controlling and process being symmetrically welded in the same direction Welding deformation can adapt to the production requirement of big cross section difference curve drum rod piece, both ensure that the production of curve drum rod piece Precision, can also guarantee the production quality of curve drum rod piece, while improve production efficiency.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of assembling jig frame in the present invention;
Fig. 2 is that median ventral plate of the present invention is placed on the structural schematic diagram on assembling jig frame;
Fig. 3 is that drum bar is placed on the structural schematic diagram on assembling jig frame in the present invention;
Fig. 4 is the structural schematic diagram of drum bar in the present invention.
In figure: 1, assembling jig frame;11, assembly platform;12, overturn-preventing side block;13, cover board height adjuster;14, web Height adjuster;21, web;22, cover board;23, stiffener.
Specific embodiment
The present invention will be further explained below with reference to the attached drawings:
Embodiment 1, as shown in Figure 1:
A kind of Steel Bridge curve drum rod piece makes assembling device, including assembling jig frame 1, assembling jig frame 1 include:
Assembly platform 11;
Multiple groups overturn-preventing side block 12;Multiple groups overturn-preventing side block 12 is evenly spaced to be mounted on assembly platform 11, and the two of each group The distance between a overturn-preventing side block 12 is identical;
Multiple web heights adjust device 14;Device 14 is evenly spaced is mounted on assembly platform 11 for the adjustment of multiple web heights On;
Multiple cover board height adjusters 13;Cover board height adjuster 13 includes upper cover plate height adjusting device 13 and lower cover plate Height adjuster 13;One upper cover plate height adjusting device 13 and one group of a composition of lower cover plate height adjusting device 13 are simultaneously right That answers is mounted on the assembly platform 11 of web height adjustment 14 two sides of device.
Steel Bridge curve drum rod piece assembling device has used multiple groups overturn-preventing side block 12, multiple web heights adjustment dress The composite structure for setting 14, upper cover plate height adjusting device 13 and lower cover plate height adjusting device 13 and assembly platform 11, realizes The height of web 21 and cover board 22 can accurately be adjusted, it is ensured that the production assembly precision and weld industry of curve drum rod piece;
Embodiment 2, as shown in Figure 1:
The present embodiment the difference from embodiment 1 is that: web height adjustment device 14 and cover board height adjuster 13 be adjust Save lead screw.By the adjustment effect of adjusting screw, can local minor adjustments web 21, cover board 22 height, adjust more smart It is quasi-.
Embodiment 3, as shown in Figure 1:
The present embodiment and the difference of any one of embodiment 1 or embodiment 2 are: in actual production Steel Bridge curve drum rod piece When, the distance between two neighboring web height adjustment device 14 is 1~4 meter.Accordingly, two neighboring web height adjustment The distance between height adjuster of 14 two sides of device is also 1~4 meter;The distance between every group of overturn-preventing side block 12 is 1~5 Rice.
Embodiment 4, as shown in Figure 2, Figure 3, Figure 4:
A kind of Steel Bridge curve drum rod piece makes assemble method, and Steel Bridge curve drum rod piece includes web 21 and is mounted on abdomen Two cover boards 22 of 21 two sides of plate, assembling device make Steel Bridge curve drum rod piece method the following steps are included:
One: according in the method for straight Dai Qu, marking web 21 on upper cover plate 22, lower cover plate 22 according to every meter of control point Assembled position line;
Two: by mapping software setting-out, the linear data of 21 curve of web are determined, according to the data point reuse curve drum assembling tyre 1 epiplastron of frame, 21 position control point;
Three: when curve drum rod piece part blanking, two-sided welding groove is cut in one end, and the other end reserves 50mm and matches the amount of cutting;
Four: web 21 being placed on assembling jig frame 1, whether detection web 21 and the top of web height adjustment device 14 are close Web 21 is carried out preliminary roll bending by bending roll machine, to ensure that web 21 passes through if the curvature of curve drum is too small by patch It is closely connected from Beijing South Maxpower Technology Co. Ltd and web height adjustment 14 top of device;
Five: upper cover plate 22, lower cover plate 22 being respectively placed in 21 two sides of web, by the adjustment of upper cover plate height adjusting device 13 The height of cover board 22 adjusts the height of lower cover plate 22 by lower cover plate height adjusting device 13, checks upper cover plate 22, lower cover plate 22 On 21 position line of web whether with 21 edge of web reach manufacture require;
Six: after passed examination, the tack weld of welding upper cover plate 22, lower cover plate 22 and web 21;
Seven: using symmetrical, synchronous welding, welding the main weld of web 21 and upper cover plate 22, lower cover plate 22 from one end to the other side;
Eight: curve drum rod piece flipping an angle to be placed on assembling jig frame 1 after the completion of welding and welds another side weld;
Nine: the stiffener 23 on assembly welding curve drum rod piece.Stiffener 23 is welded on the above and below of web 21, and horizontal To connection upper cover plate 22, lower cover plate 22;
Ten: the welding groove of the cutting curve drum rod piece other end after detection is qualified completes the system of Steel Bridge curve drum rod piece Make.
Cooperate assembling device, it is ensured that the production assembly precision and weld industry of curve drum rod piece, by dedicated Assembling jig frame 1 adjusts web 21 and the assembled position of cover board 22 controls assembly precision, then using the technique being symmetrically welded in the same direction Welding deformation is controlled, the production requirement of big cross section difference curve drum rod piece is can adapt to, both ensure that curve drum rod piece system The precision of work, can also guarantee the production quality of curve drum rod piece, while improve production efficiency.
The basic principles, main features and advantages of the invention have been shown and described above.The technical staff of the industry should Understand, the present invention is not limited to the above embodiments, and the above embodiments and description only describe originals of the invention Reason, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes and improvements It all fall within the protetion scope of the claimed invention.The claimed scope of the invention is by appending claims and equivalents circle It is fixed.

Claims (4)

1. a kind of Steel Bridge curve drum rod piece makes assembling device, which is characterized in that including assembling jig frame, assembling jig frame packet It includes:
Assembly platform;
Multiple groups overturn-preventing side block;Multiple groups overturn-preventing side block is evenly spaced to be mounted on assembly platform, each group of two anti-dumpings It is identical to cover the distance between side block;
Multiple web heights adjust device;Device is evenly spaced is mounted on assembly platform for the adjustment of multiple web heights;
Multiple cover board height adjusters;Cover board height adjuster includes upper cover plate height adjusting device and lower cover plate height tune Engagement positions;One upper cover plate height adjusting device and lower cover plate height adjusting device form one group and corresponding are mounted on one On the assembly platform of a web height adjustment device two sides.
2. a kind of Steel Bridge curve drum rod piece according to claim 1 makes assembling device, it is characterised in that: web is high Degree adjustment device and cover board height adjuster are adjusting screw.
3. a kind of Steel Bridge curve drum rod piece according to claim 1 or 2 makes assembling device, it is characterised in that: phase The distance between adjacent two web heights adjustment device is 1~4 meter.
4. a kind of production assembling Steel Bridge based on the production assembling device of Steel Bridge curve drum rod piece described in claim 1 is bent Line drum rod piece method, which comprises the following steps:
One: according in the method for straight Dai Qu, one control point being set according to certain distance, is marked on upper cover plate, lower cover plate The assembled position line of web;
Two: by mapping software setting-out, the linear data of web curve are determined, according to the data point reuse curve drum assembling jig frame Epiplastron position control point;
Three: when curve drum rod piece part blanking, two-sided welding groove is cut in one end, and the other end reserves 50mm and matches the amount of cutting;
Four: web being placed on assembling jig frame, whether detection web and the top of web height adjustment device are closely connected, if curve The curvature of drum is too small, then web is carried out to preliminary roll bending by bending roll machine, to ensure web by from Beijing South Maxpower Technology Co. Ltd and web Height adjuster top is closely connected;
Five: upper cover plate, lower cover plate being respectively placed in web two sides, the height of upper cover plate is adjusted by upper cover plate height adjusting device Degree adjusts the height of lower cover plate by lower cover plate height adjusting device, and whether the web position line on inspection upper cover plate, lower cover plate Reach manufacture with web edge to require;
Six: after passed examination, the tack weld of welding upper cover plate, lower cover plate and web;
Seven: using symmetrical, synchronous welding, welding the main weld of web and upper cover plate, lower cover plate from one end to the other side;
Eight: curve drum rod piece flipping an angle to be placed on assembling jig frame after the completion of welding and welds another side weld;
Nine: the stiffener on assembly welding curve drum rod piece;
Ten: the welding groove of the cutting curve drum rod piece other end after detection is qualified completes the system of Steel Bridge curve drum rod piece Make.
CN201811175294.6A 2018-10-10 2018-10-10 A kind of Steel Bridge curve drum rod piece production assembling device and its production assemble method Pending CN109048172A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811175294.6A CN109048172A (en) 2018-10-10 2018-10-10 A kind of Steel Bridge curve drum rod piece production assembling device and its production assemble method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811175294.6A CN109048172A (en) 2018-10-10 2018-10-10 A kind of Steel Bridge curve drum rod piece production assembling device and its production assemble method

Publications (1)

Publication Number Publication Date
CN109048172A true CN109048172A (en) 2018-12-21

Family

ID=64763778

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811175294.6A Pending CN109048172A (en) 2018-10-10 2018-10-10 A kind of Steel Bridge curve drum rod piece production assembling device and its production assemble method

Country Status (1)

Country Link
CN (1) CN109048172A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110373997A (en) * 2019-04-19 2019-10-25 中铁宝桥集团有限公司 The production method and moulding bed of curve plate girder segment
CN111360587A (en) * 2020-04-16 2020-07-03 航天海鹰(镇江)特种材料有限公司 Profiling device for I-shaped composite material stringer workpiece and application method thereof
CN112705869A (en) * 2020-12-24 2021-04-27 中铁重工有限公司 Method for manufacturing landscape bridge arch beam combination section
CN115008136A (en) * 2022-06-21 2022-09-06 宜昌船舶柴油机有限公司 Thin-wall elastic turbine guide ring welding forming tool and method

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003290918A (en) * 2002-03-28 2003-10-14 Katsura Steel:Kk Welded wide flange shape, and method for manufacturing the same
CN101537564A (en) * 2009-04-14 2009-09-23 中冶实久建设有限公司 Pairing method of H-section steel for super-large crane beams
CN103056616A (en) * 2012-12-26 2013-04-24 江苏沪宁钢机股份有限公司 Twisting box-shaped member and manufacture process thereof
CN103206044A (en) * 2013-03-29 2013-07-17 浙江东南网架股份有限公司 Local-concave irregular arc-shaped box-type member and preparation method thereof
CN203726008U (en) * 2014-01-17 2014-07-23 安徽国建钢结构股份有限公司 Horizontal type welding platform for automatically clamping large H structural steel
CN104196166A (en) * 2014-09-01 2014-12-10 江苏沪宁钢机股份有限公司 Ultra-large type combined H-section steel column and manufacturing method thereof
CN105421211A (en) * 2015-12-21 2016-03-23 中铁建大桥工程局集团第五工程有限公司 Manufacturing method for large-span single-arch-rib steel box arch
CN105880940A (en) * 2016-04-20 2016-08-24 中建钢构武汉有限公司 Method for manufacturing box-type bent-torsional component
CN106425234A (en) * 2016-11-29 2017-02-22 上海船舶工艺研究所 Numerical control shape-regulating jig frame
CN206393113U (en) * 2016-12-15 2017-08-11 中车长江车辆有限公司 A kind of flexibility circular arc wrapper sheet side wall assembling tyre
CN208945472U (en) * 2018-10-10 2019-06-07 中铁宝桥集团有限公司 A kind of Steel Bridge curve drum rod piece production assembling device

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003290918A (en) * 2002-03-28 2003-10-14 Katsura Steel:Kk Welded wide flange shape, and method for manufacturing the same
CN101537564A (en) * 2009-04-14 2009-09-23 中冶实久建设有限公司 Pairing method of H-section steel for super-large crane beams
CN103056616A (en) * 2012-12-26 2013-04-24 江苏沪宁钢机股份有限公司 Twisting box-shaped member and manufacture process thereof
CN103206044A (en) * 2013-03-29 2013-07-17 浙江东南网架股份有限公司 Local-concave irregular arc-shaped box-type member and preparation method thereof
CN203726008U (en) * 2014-01-17 2014-07-23 安徽国建钢结构股份有限公司 Horizontal type welding platform for automatically clamping large H structural steel
CN104196166A (en) * 2014-09-01 2014-12-10 江苏沪宁钢机股份有限公司 Ultra-large type combined H-section steel column and manufacturing method thereof
CN105421211A (en) * 2015-12-21 2016-03-23 中铁建大桥工程局集团第五工程有限公司 Manufacturing method for large-span single-arch-rib steel box arch
CN105880940A (en) * 2016-04-20 2016-08-24 中建钢构武汉有限公司 Method for manufacturing box-type bent-torsional component
CN106425234A (en) * 2016-11-29 2017-02-22 上海船舶工艺研究所 Numerical control shape-regulating jig frame
CN206393113U (en) * 2016-12-15 2017-08-11 中车长江车辆有限公司 A kind of flexibility circular arc wrapper sheet side wall assembling tyre
CN208945472U (en) * 2018-10-10 2019-06-07 中铁宝桥集团有限公司 A kind of Steel Bridge curve drum rod piece production assembling device

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110373997A (en) * 2019-04-19 2019-10-25 中铁宝桥集团有限公司 The production method and moulding bed of curve plate girder segment
CN111360587A (en) * 2020-04-16 2020-07-03 航天海鹰(镇江)特种材料有限公司 Profiling device for I-shaped composite material stringer workpiece and application method thereof
CN112705869A (en) * 2020-12-24 2021-04-27 中铁重工有限公司 Method for manufacturing landscape bridge arch beam combination section
CN112705869B (en) * 2020-12-24 2021-10-01 中铁重工有限公司 Method for manufacturing landscape bridge arch-girder combination section
CN115008136A (en) * 2022-06-21 2022-09-06 宜昌船舶柴油机有限公司 Thin-wall elastic turbine guide ring welding forming tool and method
CN115008136B (en) * 2022-06-21 2024-04-19 宜昌船舶柴油机有限公司 Welding forming tool and method for thin-wall elastic turbine guide ring

Similar Documents

Publication Publication Date Title
CN109048172A (en) A kind of Steel Bridge curve drum rod piece production assembling device and its production assemble method
CN208945472U (en) A kind of Steel Bridge curve drum rod piece production assembling device
CN101524804B (en) Steel member manufacturing method
CN108035258B (en) A kind of basket type steel box arch rib production method
CN104722922B (en) Laser welder dynamic welding method
CN110706184A (en) Method for correcting offset of laser galvanometer
CN203197219U (en) Continuous casting machine sector-shaped section roller gap adjusting device
CN204657793U (en) A kind of device preventing Steel plate bridge unit making welding deformation
CN110877681A (en) Large-span deck flatness control process
WO2018205412A1 (en) Double-laser-beam synchronous correction and strengthening apparatus and method for automatic compensation
CN104878732B (en) A kind of drilling platform leg wedge bracket and its processing technology
CN104325231A (en) Automatic assembly welding device for steel pipe bundle combined structural member
CN205152802U (en) Improve structure of arched bridge strength nature skeleton building -site preparation precision
CN103878498B (en) The preparation method of marine diesel welded type cylinder block
CN101804522B (en) Deck plate manufacturing method
CN209163490U (en) Big section distorts steel box-girder assembling jig frame
CN104759814B (en) Processing platform of bearing ground rail beam and preparation method thereof
CN114043170B (en) Manufacturing method of hexagonal steel box arch
CN209195049U (en) Big section distortion steel box-girder assembles ejector apparatus
CN105149770B (en) Automatic tracking system for mechanical type laser welding
CN114273842B (en) Automatic forming and assembling integrated machine free of correction, assembling method and production line
CN107881914B (en) Wire-dividing tube type cable saddle back field assembly type positioning device and assembly method
CN104251011B (en) Longitudiual truss
CN204321594U (en) The automated production equipment of steel pipe bundle combining structure component
CN209393755U (en) Gantry channel-steel adjustable die formula low temperature apparatus for correcting

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: 20181221