CN108356471A - A kind of steel box-girder auxiliary assembly-welding device - Google Patents
A kind of steel box-girder auxiliary assembly-welding device Download PDFInfo
- Publication number
- CN108356471A CN108356471A CN201810468784.9A CN201810468784A CN108356471A CN 108356471 A CN108356471 A CN 108356471A CN 201810468784 A CN201810468784 A CN 201810468784A CN 108356471 A CN108356471 A CN 108356471A
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- Prior art keywords
- steel box
- girder
- welding device
- lead screw
- platen
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 67
- 239000010959 steel Substances 0.000 title claims abstract description 67
- 238000003466 welding Methods 0.000 title claims abstract description 30
- 230000000875 corresponding Effects 0.000 claims description 2
- 238000007796 conventional method Methods 0.000 abstract description 5
- 239000007787 solid Substances 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 101700022029 GBLP Proteins 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000005192 partition Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000000051 modifying Effects 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000000465 moulding 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 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
- B23K37/0443—Jigs
Abstract
The invention discloses a kind of steel box-girders to assist assembly-welding device, the device includes rack, hold down assembly, at least a locating chucking tools and driving mechanism, it holds down assembly including two spaced platens, locating chucking tools include two limiting plates, two limiting plates are located at the both sides that hold down assembly, the driving mechanism being installed in the rack is for driving the platen to be moved on the direction closer or far from the locating chucking tools, to adjust the distance between the platen and the limiting plate.A kind of steel box-girder proposed by the present invention assists assembly-welding device, it is reasonable for structure, it is highly practical, the steel box-girder group of a variety of different specification sizes can be assisted to weld, the mode that the mode that large area grips is limited instead of solid point in conventional method solves the problems, such as to generate fixed damage to two side wall panels.
Description
Technical field
The present invention relates to steel box-girder manufacturing fields, and in particular to a kind of steel box-girder auxiliary assembly-welding device.
Background technology
Rectangle steel box-girder is one of common structure in structural steelwork, it generally by bottom plate, panel, two side wall panels and in
Spacing board is welded, and has dead weight relatively light, smaller by such environmental effects compared with cast-in-situ concrete beam, intensity is more high excellent
Point, in being nowadays more and more used in the large scale structures such as large bridge, municipal venue, skyscraper, wind-tunnel.With production
The update of product technology, the product of rectangle steel box girder is also gradual to be developed towards enlargement, fining direction, rectangle steel
Overall deformation control after the completion of the weldering of box beam group is also increasingly stringenter, and rectangle steel is realized using which kind of equipment, which kind of technique
The high-precision of box beam, quickly production has become the deciding factor of limit product development.
It when traditional rectangle steel box-girder makes, relies primarily on and positioning assembling manually is carried out to two side wall panels, then by burying
Arc automatic welder is welded, and when being welded using this technique groups, is completed a rectangle steel box-girder and is needed multiple spot welding positioning, frequently
Dismounting cover more and be fixed temporarily component, precision controlling is relatively low while reducing construction efficiency；At the same time, the weldering of temporary component
To connect can also destroy the surface quality of rectangle steel box-girder two side wall panels with demolishing process, and structure is held after influencing the molding of rectangle steel box-girder
Loading capability；In addition, existing auxiliary welding device is largely only applicable in the steel box-girder of single size, for different rectangle steel box-girders
Bottom plate needs the auxiliary for making a large amount of different sizes to build during forming a team with two side wall panels, workload is very big.
Invention content
In view of the deficiencies in the prior art, the purpose of the present invention is to provide a kind of steel box-girders to assist assembly-welding device,
The steel box-girder group weldering of a variety of different specification sizes, the mode that large area grips can be assisted to be limited instead of solid point in conventional method
The mode of position solves the problems, such as to generate fixed damage to two side wall panels.
To achieve the above objectives, the technical solution adopted by the present invention is that：
Rack；
It holds down assembly comprising two spaced platens；
An at least locating chucking tools, the locating chucking tools include two limiting plates, and two limiting plates are located at described
Hold down assembly both sides；
The driving mechanism being installed in the rack, the driving mechanism is for driving the platen closer or far from institute
It states and is moved on the direction of locating chucking tools, to adjust the distance between the platen and the limiting plate.
Based on the above technical solution, the driving mechanism includes lead screw and multiple companies positioned at the lead screw both sides
Frame is connect, each link per side is connected with corresponding platen.
Based on the above technical solution, the rack includes pedestal, and the pedestal is equipped with telescopic supporting rod,
The supporting rod can stretch along on the direction of the pedestal, and the top of the supporting rod is equipped with guide sleeve, the screw rod bushing
It is located in the guide sleeve.
Based on the above technical solution, the lead screw includes the first thread segment and the second screw thread positioned at its both ends
Section, first thread segment and the second thread segment are equipped with oppositely oriented screw thread.
Based on the above technical solution, first thread segment is equipped with the first sliding sleeve, on second thread segment
Equipped with the second sliding sleeve, the both sides of first sliding sleeve and the second sliding sleeve with one of at least one link far from the platen
End rotation connection, when the lead screw rotates, first sliding sleeve and the second sliding sleeve can be axial relatively or contrarily along the lead screw
It is mobile, the angle of the link and the lead screw is adjusted to control the vertical range between two platens.
Based on the above technical solution, the locating chucking tools further include the cross bar for connecting two limiting plates, institute
It includes telescopic rod and the loop bar that is arranged with the telescopic rod to state cross bar, and the loop bar is equipped with card close to one end of the telescopic rod
Hoop, the clip are used to fix the length of the cross bar.
Based on the above technical solution, the top of the platen is equipped with multiple grooves to match with the cross bar,
The segment section at the cross bar both ends is embedded in the groove.
Based on the above technical solution, the bottom of the pedestal is equipped with idler wheel, and the idler wheel is equipped with locking member.
Based on the above technical solution, the upper surface of the pedestal is equipped with limiting slot, and the limiting slot is led with described
The aperture of set is axially vertical, and the platen is equipped with limited block, and the limited block is slidedly arranged in the limiting slot, the limited block
For limiting axial movement of the platen along the lead screw.
Based on the above technical solution, one end of the lead screw is equipped with handwheel.
Compared with the prior art, the advantages of the present invention are as follows：
(1) setting of multiple locating chucking tools makes the assembly-welding device realize big face to the two side wall panels of steel box-girder in the present invention
Long-pending grips, and instead of the mode that solid point in conventional method limits, drives lead screw can be with flexible modulation platen by handwheel
The distance between limiting plate avoids to adjust platen and limiting plate to the clamp or release of steel box-girder two side wall panels to steel
The two side wall panels generation of box beam is fixed temporarily damage.
(2) it holds down assembly in the present invention, the structure setting of driving mechanism and locating chucking tools keeps the auxiliary assembly-welding device auxiliary
The steel box-girder group of different specification size is helped to weld, the cross bar of locating chucking tools includes telescopic rod and the loop bar that is arranged with telescopic rod, according to
The developed width of practical steel box-girder, adjusts the width of crossbeam, rotary screw rod, drives on lead screw the first sliding sleeve and the second sliding sleeve along silk
Bar is axially opposing or is moved away from, and then changes the angle of link and lead screw, controls the vertically opposite distance between two platens,
Coordinate multiple locating chucking tools, realization grips steel box-girder two side wall panels, easy to operate, reduces different in conventional method
Steel box-girder bottom plate needs to make the workload of a large amount of different size auxiliary structures, strong applicability during forming a team with two side wall panels.
(3) in the present invention bottom roller setting, enable steel box-girder auxiliary assembly-welding device according to the length dimension of steel box-girder
Multiple spot flexible distributed is carried out, realizes and the positioning of steel box-girder two side wall panels is rapidly completed with fixed, also improve steel box-girder bottom plate
Precision during being welded with two side board group saves the construction time, improves production efficiency.
Description of the drawings
Fig. 1 is the structural schematic diagram of rack in the embodiment of the present invention.
Fig. 2 is the structural schematic diagram to hold down assembly with driving mechanism in the embodiment of the present invention.
Fig. 3 is the structural schematic diagram that steel box-girder assists assembly-welding device in the embodiment of the present invention.
Fig. 4 is that steel box-girder of the present invention assists assembly-welding device to be erected at the structural schematic diagram on steel box-girder.
In figure：1- racks, 10- pedestals, 11- supporting rods, 12- guide sleeves, 13- idler wheels, 14- limiting slots, 2- hold down assembly,
20- platens, 21- grooves, 22- limited blocks, 23- handwheels, 3- locating chucking tools, 30- limiting plates, 31- cross bars, 32- clips, 4- drivings
Mechanism, 40- lead screws, 41- links, the first sliding sleeves of 42-, the second sliding sleeves of 43-, 5- steel box-girders, 50- bottom plates, 51- sidings, 52- every
Plate.
Specific implementation mode
The embodiment of the present invention is described in further detail below in conjunction with attached drawing.
Shown in Fig. 1 and Fig. 4, the embodiment of the present invention provides a kind of steel box-girder auxiliary assembly-welding device, which mainly uses
In the welding of auxiliary steel box-girder 5, steel box-girder 5 is general rectangular, includes mainly positioned at the bottom plate 50 of bottom, positioned at 50 both sides of bottom plate
Siding 51, partition board 52 and top between two side wall panels 51 panel.Two side wall panels 51 be mutually parallel and with bottom plate 50
Vertically, steel box-girder auxiliary assembly-welding device is mainly used for gripping for two side wall panels 51, it is made to remain vertical with bottom plate 50
State, then the fixed section of steel box-girder 5 is welded, complete siding 51 and the assembling of bottom plate 50, partition board 52 and siding 51 groups of welderings, faces
The group of plate and partition board 52 and siding 51 totally 4 parts is welded.Steel box-girder auxiliary assembly-welding device includes rack 1, and rack 1 includes pedestal 10,
Pedestal 10 can be any suitable shape, it is contemplated that it is rectangle that steel box-girder 5 is most of, and pedestal 10 is placed on steel box-girder 5
On bottom plate 50, pedestal 10 is preferably rectangle here.Pedestal 10 is equipped with supporting rod 11, and supporting rod 11, which is used to support, is located at pedestal
Other components on 10, it is preferred that supporting rod 11 is vertical with pedestal 10 and is located at the central point of pedestal 10.On the top of supporting rod 11
End is additionally provided with guide sleeve 12, and the aperture of guide sleeve 12 is axial vertical with supporting rod 11 and parallel with one side of pedestal 10, adjusts for convenience
The height of guide sleeve 12 is saved to meet being welded and fixed for the steel box-girder 5 with 51 height of different sidings, supporting rod 11 is preferably here
For fixed contraction pole can be shunk up and down, can stretch along on the direction of pedestal 10, ensure guide sleeve 12 can close and
It is moved on vertical direction far from pedestal 10, and is equipped with fixing piece on supporting rod 11, fixing piece is for fixing supporting rod 11
Length.It is equipped with limiting slot 14 on the upper surface of pedestal 10, the slot of limiting slot 14 is to axially vertical with the aperture of guide sleeve 12.In order to
Steel box-girder auxiliary assembly-welding device is set to carry out multiple spot flexible distributed and movement according to the length dimension of steel box-girder 5, in pedestal 10
Bottom is additionally provided with idler wheel 13, in order to further ensure the steady movement of device, it is preferred that four apexes in 10 bottom surface of pedestal
It is designed with idler wheel 13.In addition it is equipped with locking member on each idler wheel 13, when device needs to weld to the completion of 5 stationary positioned of steel box-girder
When connecing, to prevent, idler wheel 13 from sliding locking locking member and influences the effect welded.
Further include holding down assembly 2 shown in referring to Fig. 1 and Fig. 2, hold down assembly 2 platens for including two spaced and parallel settings
20, two platens 20 are located at 10 both sides of pedestal of rack 1, and each platen 20 is parallel with its 10 side of similar pedestal.
Limited block 22 is equipped on the side of pedestal 10 in each platen 20, limited block 22 matches and is slidedly arranged on limiting slot 14
In limiting slot 14, can guarantee both sides platen 20 along limiting slot 14 slot to move with adjust two platens 20 between it is vertical away from
From.In order to ensure that both sides platen 20 is moved along 14 slot of limiting slot to more stable, in combination with structure design principle and production
The number of cost, limiting slot 14 is preferably two and is located at 10 both sides of the edge of pedestal；Correspondingly, 20 upper limit of each platen
The number of position block 22 is both preferably two.
It is shown in Figure 2, further include driving mechanism 4, driving mechanism 4 is including lead screw 40 and positioned at the multiple of 40 both sides of lead screw
Link 41 is located at each institute link 41 of the lead screw 40 per side and is connected with the platen of its homonymy 20.Lead screw 40 is set in
In guide sleeve 12, lead screw 40 includes then the first thread segment and the second thread segment positioned at its both ends, the first thread segment and the second screw thread
Section is equipped with oppositely oriented screw thread, i.e. screw thread on the first thread segment is the right-handed thread screwed in when rotating clockwise, and second
Screw thread on thread segment is the left hand thread screwed in when rotation counterclockwise.First thread segment is equipped with the first sliding sleeve 42, and first slides
The inner surface of set 42 is equipped with is equipped with the second sliding sleeve with the screw thread that right-handed thread matches on the first thread segment, the second thread segment
43, similarly, the screw thread that the inner surface of the second sliding sleeve 43 is equipped with left hand thread matches on the second thread segment.First sliding sleeve, 42 He
The both sides of second sliding sleeve 43 are rotatablely connected with one end far from platen 20 of an at least link 41, i.e., multiple links 41 are used for
Platen 20 is connected with the first sliding sleeve 42 and the i.e. driving mechanism 4 of the second sliding sleeve 43.Rotary screw rod 40, the first sliding sleeve 42 and second
Sliding sleeve 43 can be axial along lead screw 40 while relatively or contrarily being moved, and adjusts the angle of link 41 and lead screw 40 to control two
Vertical range between platen 20.In order to ensure the connective stability and two platens 20 of driving mechanism 4 and two platens 20
Steady movement, the number of link 41 is preferably 4, and 4 links 41 are symmetrically distributed in the both sides of lead screw 40 along lead screw 40,
One end of each link 41 is connect with the platen of its homonymy 20, and the other end then connects with the first sliding sleeve 42 or the second sliding sleeve 43
It connects.When 4 links 41 are parallel each other, the vertical range between two platens 20 is maximum.
It is shown in Figure 3, further include an at least locating chucking tools 3, locating chucking tools 3 include two limiting plates 30, two limits
Plate 30 is located at 2 both sides that hold down assembly, and locating chucking tools 3 further include the cross bar 31 for connecting two limiting plates 30, two limiting plates
30 constitute the locating chucking tools 3 of the similar n shapes of shape with cross bar 31, and the locating chucking tools 3 of n shapes, which are erected at, to hold down assembly on 2, cross bar 31 with
Two 20 tops of platen are vertical and contact, and two limiting plates 30 being connect with 31 both ends of cross bar are located at the platen with its homonymy
20 outsides, driving mechanism 4 are used to that platen 20 to be driven to move on closer or far from the locating chucking tools 3 i.e. direction of limiting plate 30, with
Adjust the distance between platen 20 and limiting plate 30.Before the device is to be used, first the distance between two platens 20 are turned down, by device
It is put on the bottom plate 50 of steel box-girder 5, then locating chucking tools 3 is erected at and are held down assembly on 2, the two side wall panels 51 of steel box-girder 5 is made to divide
Not between the platen 20 and the gap of limiting plate 30 of its homonymy, further according to the developed width rotary screw rod 40 of steel box-girder 5, make
Platen 20 and limiting plate 30 clamp the siding 51 positioned at its homonymy, play the role of gripping.
Further, in order to ensure the steel box-girder 5 that steel box-girder auxiliary assembly-welding device can be suitably used for a variety of different in width, here
Cross bar 31 includes telescopic rod and the loop bar being arranged with telescopic rod, and telescopic rod and loop bar opposite can be moved forward and backward to adjust cross bar 31
Length, the steel box-girder 5 of different in width is met with this.Loop bar is additionally provided with clip 32, clip 32 on one end of telescopic rod
Fixation for 31 length of cross bar.Wherein, the length of lead screw 40 and link 41, which can match, merges the length variation for meeting cross bar 31.
In order to ensure 5 two side wall panels 51 of steel box-girder fixed effect while improve fixed efficiency, here locating chucking tools 3 be preferably 3,
The setting of multiple locating chucking tools 3 makes the assembly-welding device realize gripping for large area to the two side wall panels 51 of steel box-girder 5, replaces
The mode that solid point limits in generation conventional method, driving lead screw 40 can between flexible modulation platen 20 and limiting plate 30 away from
From to adjust platen 20 and limiting plate 30 to the clamp or release of 5 two side wall panels 51 of steel box-girder, avoiding two to steel box-girder 5
The generation of sidewall paneling 51 is fixed temporarily damage.
Further, the locating chucking tools 3 for being erected at 20 top of platen in order to prevent are moved along 40 axial direction of lead screw, because
This, multiple grooves 21 to match with 31 size of cross bar and quantity, the segment section at 31 both ends of cross bar are equipped at the top of platen 20
It is embedded in groove 21.
Further, in order to ensure limited block 22 on two platens 20 can in limiting slot 14 easy slide, limiting
The bottom of position block 22 is coated with superslide material.In addition, being additionally provided with handwheel 23 in one end of lead screw 40, personnel's rotation can be conveniently operated
Lead screw 40 can realize the quick fixation to steel box-girder 5.
The present invention is not only limited to above-mentioned preferred forms, anyone can show that other are each under the inspiration of the present invention
The product of kind of form, however, make any variation in its shape or structure, it is every have with the present invention it is same or similar as
Technical solution, within its protection domain.
Claims (10)
1. a kind of steel box-girder assists assembly-welding device, which is characterized in that it includes：
Rack (1)；
It holds down assembly (2) comprising two spaced platens (20)；
An at least locating chucking tools (3), the locating chucking tools (3) include two limiting plates (30) adjustable in pitch, two limits
Position plate (30) is located at described (2) both sides that hold down assembly；
The driving mechanism (4) being installed in the rack (1), the driving mechanism (4) for drive the platen (20) by
Close or remote from being moved on the direction of the locating chucking tools (3), to adjust between the platen (20) and the limiting plate (30)
Distance.
2. a kind of steel box-girder as described in claim 1 assists assembly-welding device, it is characterised in that：The driving mechanism (4) includes
Lead screw (40) and positioned at the lead screw (40) both sides multiple links (41), per side each link (41) with
Corresponding platen (20) is connected.
3. a kind of steel box-girder as claimed in claim 2 assists assembly-welding device, it is characterised in that：The rack (1) includes pedestal
(10), the pedestal (10) is equipped with telescopic supporting rod (11), and the supporting rod (11) can be along perpendicular to the pedestal
(10) it stretches on direction, the top of the supporting rod (11) is equipped with guide sleeve (12), and the lead screw (40) is set in the guide sleeve
(12) in.
4. a kind of steel box-girder as claimed in claim 3 assists assembly-welding device, it is characterised in that：The lead screw (40) includes being located at
First thread segment and the second thread segment at its both ends, first thread segment and the second thread segment are equipped with oppositely oriented spiral shell
Line.
5. a kind of steel box-girder as claimed in claim 4 assists assembly-welding device, it is characterised in that：First thread segment is equipped with
First sliding sleeve (42), second thread segment are equipped with the second sliding sleeve (43), first sliding sleeve (42) and the second sliding sleeve (43)
Both sides be rotatablely connected with the one end of at least one link (41) far from the platen (20), the lead screw (40) rotation
When, first sliding sleeve (42) and the second sliding sleeve (43) can be axially opposing along the lead screw (40) or be moved away from, and institute is adjusted
The angle of link (41) and the lead screw (40) is stated to control the vertical range between two platens (20).
6. a kind of steel box-girder as described in claim 1 assists assembly-welding device, it is characterised in that：The locating chucking tools (3) are also wrapped
The cross bar (31) of two limiting plates (30) of connection is included, the cross bar (31) includes telescopic rod and is arranged with the telescopic rod
Loop bar, the loop bar are equipped with clip (32) close to one end of the telescopic rod, and the clip (32) is for fixing the cross bar
(31) length.
7. a kind of steel box-girder as claimed in claim 6 assists assembly-welding device, it is characterised in that：It is set at the top of the platen (20)
There are multiple grooves (21) to match with the cross bar (31), the segment section at cross bar (31) both ends to be embedded in the groove
(21) in.
8. a kind of steel box-girder as claimed in claim 3 assists assembly-welding device, it is characterised in that：The bottom of the pedestal (10) is set
There are idler wheel (13), the idler wheel (13) to be equipped with locking member.
9. a kind of steel box-girder as claimed in claim 8 assists assembly-welding device, it is characterised in that：The upper surface of the pedestal (10)
Equipped with limiting slot (14), the limiting slot (14) and the aperture of the guide sleeve (12) are axially vertical, and the platen (20) is equipped with
Limited block (22), the limited block (22) are slidedly arranged in the limiting slot (14), and the limited block (22) is for limiting the pressure
Axial movement of the disk (20) along the lead screw (40).
10. a kind of steel box-girder as claimed in claim 2 assists assembly-welding device, it is characterised in that：One end of the lead screw (40)
Equipped with handwheel (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810468784.9A CN108356471B (en) | 2018-05-16 | 2018-05-16 | Auxiliary assembling and welding device for steel box girder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810468784.9A CN108356471B (en) | 2018-05-16 | 2018-05-16 | Auxiliary assembling and welding device for steel box girder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108356471A true CN108356471A (en) | 2018-08-03 |
| CN108356471B CN108356471B (en) | 2019-12-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810468784.9A Active CN108356471B (en) | 2018-05-16 | 2018-05-16 | Auxiliary assembling and welding device for steel box girder |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109366028A (en) * | 2018-11-30 | 2019-02-22 | 天津中德应用技术大学 | Box beam automatic soldering device and application method |
| CN110605592A (en) * | 2019-10-17 | 2019-12-24 | 重庆单轨交通工程有限责任公司 | Single-rail steel box girder clamping device |
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| CN208408994U (en) * | 2018-05-16 | 2019-01-22 | 武汉海王机电工程技术有限公司 | A kind of steel box-girder auxiliary assembly-welding device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109366028A (en) * | 2018-11-30 | 2019-02-22 | 天津中德应用技术大学 | Box beam automatic soldering device and application method |
| CN110605592A (en) * | 2019-10-17 | 2019-12-24 | 重庆单轨交通工程有限责任公司 | Single-rail steel box girder clamping device |
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