CN203541862U - Welding machine for box girder - Google Patents
Welding machine for box girder Download PDFInfo
- Publication number
- CN203541862U CN203541862U CN201320689716.8U CN201320689716U CN203541862U CN 203541862 U CN203541862 U CN 203541862U CN 201320689716 U CN201320689716 U CN 201320689716U CN 203541862 U CN203541862 U CN 203541862U
- Authority
- CN
- China
- Prior art keywords
- main shaft
- column
- rectangular tube
- fixed
- wheel
- 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.)
- Withdrawn - After Issue
Links
Images
Landscapes
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The utility model discloses a welding machine for a box girder. The welding machine is mainly composed of a trolley component, a stand column mechanism, a lifting mechanism and a cantilever component, wherein the stand column mechanism is installed on the trolley component, the lifting mechanism is installed at the top end of a stand column, and the cantilever component is installed on one side of the stand column. The welding machine is further provided with a crawling ladder and a wire hanging device. Corresponding structural components are reasonably combined, so that the actions of trolley walking, stand column slewing, platform descending and ascending, machine head walking and others are achieved, and the two welding technologies of electroslag welding and submerged-arc welding can be finished on one welding machine. Two machine heads in the welding machine can be adjusted left and right, up and down and front and back, flatness of weld joints can be guaranteed, welding quality can be improved, and the cost is low.
Description
Technical field
The utility model belongs to equipment manufacturing technology field, relates to a kind of case type beam welding unit.
Background technology
Welding is a kind of manufacturing technology, and it is the needs that are suitable for industrial development, gets up, and directly serve machine building industry take modern industry as base growth.Large-sized structural parts in much equipment is nearly all Welding Structure.Along with scientific and technical progress, production scale expanding day, welding structural element is towards large-scale, ultra-large type aspect development, and this need to produce and provide quality higher for welding, and performance is better, the various bonding machines that function is more complete.
The cross sectional shape of box-girder is the same with common chest cross section, generally cover plate, web, base plate and dividing plate, consists of.About the equipment of box beam, have many in the market, but be subject to its structure influence, its automaticity is very low, therefore needing to research and develop a kind of side cantilever electroslag welding for box-girder welding picks, can complete electroslag welding and two kinds of solder technology of submerged-arc welding with a machine, thereby realize whole welding jobs of using a kind of welding machine to complete whole box-girder.
Utility model content
Technical problem to be solved in the utility model is, overcomes the shortcoming of prior art, and a kind of case type beam welding unit that can complete electroslag welding and two kinds of solder technology of submerged-arc welding and complete with a machine whole welding jobs of whole box-girder is provided.
In order to solve above technical problem, the utility model provides a kind of case type beam welding unit, mainly by chassis parts, is arranged on the column agency on chassis parts, and is arranged on the elevating mechanism on column top and is arranged on column one side cantilever section composition:
A. chassis parts: be fixed with pivoting support in the frame of chassis parts, pivoting support connects column agency, the two ends of frame upper rotary supporting are interspersed with respectively main shaft I and main shaft II, the two ends of main shaft I and main shaft II are provided with respectively rolling bearing units and road wheel successively, in main shaft I and main shaft II, gear is installed, in frame, the both sides of main shaft I are respectively equipped with a pair of auxiliary wheel; Two reducing motors are also installed in frame, reducing motor is comprised of reductor and motor, two reducing motors are installed on respectively the position near main shaft I and main shaft II, reducing motor engages with the gear in main shaft I and main shaft II respectively by the gear on reducing motor, reducing motor ground-engaging wheel;
B. column agency: column agency comprises two the first rectangular tubes and at least two the second rectangular tube, guide rail, column top board, column base plate and guiding parts, the first rectangular tube parallel and vertically arrange, the second rectangular tube appearance and size is less than the first rectangular tube, the second rectangular tube is all vertically arranged with the vertical setting of the first horizontal tube and the second rectangular tube, arbitrary the second rectangular tube is I shape with two the first rectangular tubes and is connected, the top of column agency and low side are respectively equipped with column top board and column base plate, along the first rectangular tube side, are vertically provided with respectively guide rail; Guiding parts comprises guide holder, roll wheel assembly, guide holder is sheathed on the first rectangular tube, the upper and lower both sides of guide holder are separately installed with roll wheel assembly, the position of roll wheel assembly is corresponding with guide rail position, roll wheel assembly comprises walking roller and roller, walking roller and roller vertical setting mutually, and walking roller is fixed by live axle, roller is fixed by roller axle, in walking roller and roller, is provided with bearing;
C. elevating mechanism: elevating mechanism comprises reductor, motor, chain-wheel mechanism and balancing weight, motor is connected with reductor, motor is installed with main shaft, chain-wheel mechanism comprises the first sprocket wheel, the second sprocket wheel and the 3rd sprocket wheel, the first sprocket wheel is fixed by main shaft, and the second sprocket wheel and the 3rd sprocket wheel are fixed by sprocket shaft respectively, and chain-wheel mechanism is fixed on respectively the both sides of bottom installing plate by mount pad, main shaft is fixed by rolling bearing units, and elevating mechanism is arranged on column top board; Balancing weight is connected with guiding parts by chain, and chain is connected balancing weight by contiguous block with bearing pin, and balancing weight is that the chain of 2 and balancing weight matches with two chain-wheel mechanisms of elevating mechanism respectively;
D. cantilever section: the crossbeam of cantilever section is fixed on the guide holder of column agency, on crossbeam, by line slideway, the first walking mount pad and the second walking mount pad are installed, two walking mount pads all connect gear, wheel and rack is secondary to be coordinated, on the first walking mount pad, reductor is housed, motor, slide plate and the first head part, on the second walking mount pad, reductor is housed, motor, slide plate and the second head part, motor connects reductor, reductor control head, slide plate vertically arranges, the first head part and the second head part are arranged on slide plate, the first head part is connected by electric return board with slide plate with the second head part, electric return board and the vertical setting mutually of described slide plate.
Further restriction scheme of the utility model is:
Aforementioned guide holder is also equipped with falling proof device, and falling proof device is that fall arrest piece and spring composition are installed on base.
Aforementioned the first head part is fixed by support, and support upper end is provided with wire reel, and welding wire straightener is vertically installed on support, and welding wire straightener is connected with wire-feed motor and welding wire rifle, and the top of welding wire rifle is provided with material agent recover and material agent cylinder.
Aforementioned the second head part is fixed by support, support upper end is provided with wire reel, support lower end is provided with manual adjustments handle, manual adjustments handle control and regulation screw rod control welding gun, support is provided with holder with multi directions, holder with multi directions is provided with holder for welding gun, and holder for welding gun is fixed welding gun, and the top of welding gun is provided with material agent recover and material agent cylinder.
The first rectangular tube, the second rectangular tube, guide rail, column top board and the column base plate of aforementioned column agency are welded to connect.
Aforementioned balancing weight adopts cast iron.
Further, be also provided with cat ladder, described cat ladder is weldingly fixed on column.
Further, also have thread-laying device, described thread-laying device adopts square tubes soldering to form.
The beneficial effects of the utility model are: the utility model is by reasonably combining corresponding structural member, can realize the actions such as trolley running, column revolving, lifting platform, head walking, enable to complete electroslag welding and two kinds of solder technology of submerged-arc welding on a bonding machine; After rectangular tube, steel plate and the guide rail integral solder of column agency, process, guaranteed the precision of size, improved the stability of overall machine, further improve welding quality; The roll wheel assembly of guiding parts and falling proof device can be realized walking up and down of guiding parts, thereby reach moving up and down of cantilever section; Two heads in the utility model can left and right, upper and lower, front and back regulate; The utility model can guarantee the smooth of weld seam, and cost is lower.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is front view of the present utility model.
Fig. 3 is the front view of the utility model chassis parts.
Fig. 4 is the top view of the utility model chassis parts.
Fig. 5 is the structural representation of the utility model column agency.
Fig. 6 is the top view of the utility model guiding mechanism.
Fig. 7 is the front view of the utility model guiding mechanism.
Fig. 8 is the left view of the utility model roll wheel assembly.
Fig. 9 is the front view of the utility model roll wheel assembly.
Figure 10 is the top view of the utility model roll wheel assembly.
Figure 11 is the front view of the utility model elevating mechanism.
Figure 12 is the left view of the utility model elevating mechanism.
Figure 13 is the front view of the utility model balancing weight.
Figure 14 is the left view of the utility model balancing weight.
Figure 15 is the front view of the utility model cantilever section.
Figure 16 is the left view of the utility model cantilever section.
Figure 17 is the front view of the utility model the first head part.
Figure 18 is the left view of the utility model the first head part.
Figure 19 is the left view of the utility model the second head part.
Figure 20 is the front view of the utility model the second head part.
Reference numeral: 1-chassis parts, 2-column agency, 3-guiding parts, 4-elevating mechanism, 5-cat ladder, 6-cantilever section, 7-thread-laying device, 11-road wheel, 12-auxiliary wheel, 13-reducing motor, 14-frame, 15-main shaft I, 16-pivoting support, 17-main shaft II, 21-column, 31-roll wheel assembly, 32-guide holder, 33-falling proof device, 311-walking roller, 312-live axle, 313-roller, 314-roller axle, 315-bearing, 316-mount pad, 41-the first sprocket wheel, 42-rolling bearing units, 43-the second sprocket wheel, 44-sprocket shaft, 45-mount pad, 46-bottom installing plate, 47-motor and speed reducer, 48-main shaft, 49-the 3rd sprocket wheel, 410-chain, 411-contiguous block, 412-bearing pin, 413-balancing weight, 61-crossbeam, 62-second mount pad of walking, 63-the first head part, 64-gear, tooth bar pair, 65-reducing motor, 66-slide plate, 67-line slideway, 68-the second head part, 89-first mount pad of walking, 6301-welding wire rifle, 6302-wire-feed motor, 6303-welding wire straightener, 6304-wire reel and support, 6305-recover assembly, 6306-material agent cylinder, 6307-electric return board, 681-manual adjustments handle, 682-adjusting screw(rod), 683-holder for welding gun, 684-holder with multi directions, 685-welding gun.
The specific embodiment
Embodiment 1
A kind of case type beam welding unit that the present embodiment provides, structure as shown in Figure 1-2, mainly, by chassis parts 1, be arranged on the column agency 2 on chassis parts, and be arranged on the elevating mechanism 4 on column top and be arranged on column one side cantilever section 6, cat ladder 5 and thread-laying device 7 and form.
As shown in Figure 3-4, in the frame 14 of chassis parts 1, be fixed with pivoting support 16, pivoting support 16 is for connecting column agency 2, the two ends of frame 14 upper rotary supportings 16 are interspersed with respectively main shaft I 15 and main shaft II 17, the two ends of main shaft I 15 and main shaft II 17 are provided with respectively rolling bearing units and road wheel 11 successively, in main shaft I 15 and main shaft II 17, gear is installed, in frame 14, the both sides of main shaft I 15 are respectively equipped with a pair of auxiliary wheel 12; Two reducing motors 13 are also installed in frame 14, reducing motor is comprised of reductor and motor, two reducing motors 13 are installed on respectively the position near main shaft I 15 and main shaft II 17, reducing motor 13 engages with the gear in main shaft I 15 and main shaft II 17 respectively by the gear on reducing motor 13, and reducing motor 13 ground-engaging wheels 11 move.
As shown in Figure 5-10, column agency 2 comprises two the first rectangular tubes and at least two the second rectangular tube, guide rail, column top board, column base plate and guiding parts 3, and the first rectangular tube, the second rectangular tube, guide rail, column top board and the column base plate of column agency 2 are welded to connect.The first rectangular tube parallel and vertically arrange, the second rectangular tube appearance and size is less than the first rectangular tube, the second rectangular tube is all vertically arranged with the vertical setting of the first horizontal tube and described the second rectangular tube, arbitrary the second rectangular tube is I shape with two the first rectangular tubes and is connected, the top of column agency and low side are respectively equipped with column top board and column base plate, along the first rectangular tube side, are vertically provided with respectively guide rail.Guiding parts 3 comprises guide holder 32, roll wheel assembly 31, guide holder 32 is sheathed on the first rectangular tube, guide holder is separately installed with roll wheel assembly 31 in both sides Shang Xia 32, the position of roll wheel assembly 31 is corresponding with guide rail position, roll wheel assembly 32 comprises walking roller 311 and roller 313, walking roller 311 and the mutual vertical setting of roller 313, walking roller 311 is fixing by live axle 312, roller 313 is fixing by roller axle 314, in walking roller 311 and roller 313, be provided with bearing 315, roller 313 and walking roller 311 actings in conjunction, guide holder 32 is fixed on guide rail.Guide holder 32 is also equipped with falling proof device 33, and falling proof device 33 is that fall arrest piece and spring composition are installed on base.
As shown in Figure 11-14, elevating mechanism 4 comprises reductor and motor, chain-wheel mechanism and balancing weight 413, motor is connected with reductor, motor is installed with main shaft 48, chain-wheel mechanism comprises the first sprocket wheel 41, the second sprocket wheel 43 and the 3rd sprocket wheel 49, the first sprocket wheel 41 is fixing by main shaft 48, the second sprocket wheel 43 and the 3rd sprocket wheel 49 are fixing by sprocket shaft 44 respectively, chain-wheel mechanism is fixed on respectively the both sides of bottom installing plate 46 by mount pad 45, main shaft 48 is fixed by rolling bearing units 42, and elevating mechanism 4 is arranged on column top board.Balancing weight 413 adopts cast iron, balancing weight 413 is connected with guiding parts 3 by chain 410, chain 410 is connected balancing weight 413 by contiguous block 411 with bearing pin 412, and balancing weight 413 is that the chain 410 of 2 and balancing weight 413 matches with two chain-wheel mechanisms of elevating mechanism 4 respectively.
As shown in Figure 15-16, the crossbeam 61 of cantilever section 6 is fixed on the guide holder 32 of described column agency 2, on crossbeam 61, by line slideway 67, the first walking mount pad 69 and the second walking mount pad 62 are installed, two walking mount pads are all by gear and tooth bar sub-control side-to-side movement, on the first walking mount pad 69, reductor is housed, motor, slide plate 66 and the first head part 63, on the second walking mount pad 62, reductor is housed, motor, slide plate 66 and the second head part 68, motor connects reductor, reductor control head moves up and down on slide plate 66, slide plate 66 vertically arranges, the first head part 63 and the second head part 68 are arranged on slide plate 66, the first head part 63 is connected by electric return board 6307 with slide plate 66 with the second head part 68, electric return board 6307 and the mutual vertical setting of slide plate 66.
As shown in Figure 17-20, the first head part 63 is fixed by support, support upper end is provided with wire reel, welding wire straightener 6303 is vertically installed on support, welding wire straightener 6303 is connected with wire-feed motor 6302 and welding wire rifle 6301, welding wire is transported to welding wire in described welding wire rifle 6301 by wire-feed motor 6302 after being in line by 6303 rectifications of welding wire straightener, and the top of welding wire rifle 6301 is provided with material agent recover 6305 and material agent cylinder 6306.The second head part 68 is fixed by support, support upper end is provided with wire reel, support lower end is provided with manual adjustments handle 581, manual adjustments handle 681 controls to adjust screw rod 682 and controls seesawing of welding gun 685, support is provided with holder with multi directions 684, holder with multi directions 684 is provided with holder for welding gun 683, the fixing welding gun 685 of holder for welding gun 683, and the top of welding gun 685 is provided with material agent recover and material agent cylinder.
Cat ladder 5 is weldingly fixed on column, sound construction, succinct, can allow operator safety, enter operating platform easily.
Thread-laying device 7 adopts square tubes soldering to form, and has applied the characteristic of stable triangular, makes it safety, reliable, and fixed form is special, and then has improved stability, guarantees the smooth of weld seam.
In addition to the implementation, the utility model can also have other embodiments.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop on the protection domain of the utility model requirement.
Claims (8)
1. a case type beam welding unit, is characterized in that: mainly by chassis parts, be arranged on the column agency on described chassis parts, and be arranged on the elevating mechanism on described column top and be arranged on described column one side cantilever section composition:
A. chassis parts: be fixed with pivoting support in the frame of described chassis parts, described pivoting support connects column agency, the two ends of described frame upper rotary supporting are interspersed with respectively main shaft I and main shaft II, the two ends of described main shaft I and main shaft II are provided with respectively rolling bearing units and road wheel successively, in described main shaft I and main shaft II, gear is installed, in described frame, the both sides of main shaft I are respectively equipped with a pair of auxiliary wheel; Two reducing motors are also installed in described frame, described reducing motor is comprised of reductor and motor, described two reducing motors are installed on respectively the position near main shaft I and main shaft II, described reducing motor engages with the gear in described main shaft I and main shaft II respectively by the gear on reducing motor, described reducing motor ground-engaging wheel;
B. column agency: described column agency comprises the second rectangular tube of two the first rectangular tubes and at least two, guide rail, column top board, column base plate and guiding parts, described the first rectangular tube parallel and vertically arrange, described the second rectangular tube appearance and size is less than the first rectangular tube, described the second rectangular tube is all vertically arranged with the vertical setting of the first horizontal tube and described the second rectangular tube, described arbitrary the second rectangular tube is I shape with two the first rectangular tubes and is connected, the top of described column agency and low side are respectively equipped with column top board and column base plate, along described the first rectangular tube side, be vertically provided with respectively guide rail, described guiding parts comprises guide holder, roll wheel assembly, described guide holder is sheathed on described the first rectangular tube, the upper and lower both sides of described guide holder are separately installed with roll wheel assembly, the position of described roll wheel assembly is corresponding with guide rail position, described roll wheel assembly comprises walking roller and roller, described walking roller and roller vertical setting mutually, and described walking roller is fixed by live axle, described roller is fixed by roller axle, in described walking roller and roller, is provided with bearing,
C. elevating mechanism: described elevating mechanism comprises reductor, motor, chain-wheel mechanism and balancing weight, described motor is connected with reductor, described motor is installed with main shaft, described chain-wheel mechanism comprises the first sprocket wheel, the second sprocket wheel and the 3rd sprocket wheel, described the first sprocket wheel is fixed by main shaft, described the second sprocket wheel and the 3rd sprocket wheel are fixed by sprocket shaft respectively, described chain-wheel mechanism is fixed on respectively the both sides of bottom installing plate by mount pad, described main shaft is fixed by rolling bearing units, and described elevating mechanism is arranged on column top board; Described balancing weight is connected with guiding parts by chain, and described chain is connected balancing weight by contiguous block with bearing pin, and described balancing weight is that the chain of 2 and described balancing weight matches with two chain-wheel mechanisms of elevating mechanism respectively;
D. cantilever section: the crossbeam of described cantilever section is fixed on the guide holder of described column agency, on described crossbeam, by line slideway, the first walking mount pad and the second walking mount pad are installed, described two walking mount pads all connect gear, described wheel and rack is secondary to be coordinated, on described the first walking mount pad, reductor is housed, motor, slide plate and the first head part, on described the second walking mount pad, reductor is housed, motor, slide plate and the second head part, described motor connects reductor, described reductor control head, described slide plate vertically arranges, described the first head part and the second head part are arranged on slide plate, described the first head part is connected by electric return board with described slide plate with the second head part, described electric return board and the vertical setting mutually of described slide plate.
2. according to the case type beam welding unit described in claim 1, it is characterized in that: described guide holder is also equipped with falling proof device, falling proof device is that fall arrest piece and spring composition are installed on base.
3. according to the case type beam welding unit described in claim 1, it is characterized in that: described the first head part is fixed by support, described support upper end is provided with wire reel, welding wire straightener is vertically installed on described support, described welding wire straightener is connected with wire-feed motor and welding wire rifle, and the top of described welding wire rifle is provided with material agent recover and material agent cylinder.
4. according to the case type beam welding unit described in claim 1, it is characterized in that: described the second head part is fixed by support, described support upper end is provided with wire reel, described support lower end is provided with manual adjustments handle, described manual adjustments handle control and regulation screw rod control welding gun, described support is provided with holder with multi directions, and described holder with multi directions is provided with holder for welding gun, holder for welding gun is fixed described welding gun, and the top of described welding gun is provided with material agent recover and material agent cylinder.
5. according to the case type beam welding unit described in claim 1, it is characterized in that: the first rectangular tube, the second rectangular tube, guide rail, column top board and the column base plate of described column agency are welded to connect.
6. according to the case type beam welding unit described in claim 1, it is characterized in that: described balancing weight adopts cast iron.
7. according to the case type beam welding unit described in claim 1, it is characterized in that: be also provided with cat ladder, described cat ladder is weldingly fixed on column.
8. according to the case type beam welding unit described in claim 1, it is characterized in that: also have thread-laying device, described thread-laying device adopts square tubes soldering to form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320689716.8U CN203541862U (en) | 2013-11-04 | 2013-11-04 | Welding machine for box girder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320689716.8U CN203541862U (en) | 2013-11-04 | 2013-11-04 | Welding machine for box girder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203541862U true CN203541862U (en) | 2014-04-16 |
Family
ID=50460030
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320689716.8U Withdrawn - After Issue CN203541862U (en) | 2013-11-04 | 2013-11-04 | Welding machine for box girder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203541862U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103567651A (en) * | 2013-11-04 | 2014-02-12 | 南京奥特电气股份有限公司 | Welding machine for box beam |
| CN111390348A (en) * | 2020-04-14 | 2020-07-10 | 中国建筑第八工程局有限公司 | Wire feeder mounting device and using method thereof |
-
2013
- 2013-11-04 CN CN201320689716.8U patent/CN203541862U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103567651A (en) * | 2013-11-04 | 2014-02-12 | 南京奥特电气股份有限公司 | Welding machine for box beam |
| CN103567651B (en) * | 2013-11-04 | 2015-07-01 | 南京奥特电气股份有限公司 | Welding machine for box beam |
| CN111390348A (en) * | 2020-04-14 | 2020-07-10 | 中国建筑第八工程局有限公司 | Wire feeder mounting device and using method thereof |
| CN111390348B (en) * | 2020-04-14 | 2021-11-09 | 中国建筑第八工程局有限公司 | Wire feeder mounting device and using method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103567651B (en) | Welding machine for box beam | |
| CN202741905U (en) | Numerical control gantry automatic welding and formed gantry automatic welding assembly thereof | |
| CN202097516U (en) | Automatic welding machine for longitudinal circular seams of precision cylindrical containers | |
| CN104475918B (en) | A kind of gate-type automatic welding gouge all-in-one for welded still pipe bar | |
| CN103909364A (en) | Car body top cover loading device | |
| CN104889652B (en) | Steel pipe and the grouping machine of plate group pair in iron tower construction member | |
| CN203541862U (en) | Welding machine for box girder | |
| CN103231186B (en) | Jacking trolley of boom production line | |
| CN106334892A (en) | The H-shaped steel horizontal-type assembly padding machine | |
| CN202543798U (en) | Railway bridge inspection and maintenance hanging basket | |
| CN207013905U (en) | A kind of weld joint tracking mechanism | |
| CN204366239U (en) | A kind of gate-type automatic welding all-in-one | |
| CN203247031U (en) | Hoisting device for curtain board transporting | |
| CN202763264U (en) | Multi-wire submerged-arc welding machine | |
| CN203343593U (en) | Mechanical automatic welding arc guiding mechanism | |
| CN108747075A (en) | A kind of steel pipe flange automatic soldering device | |
| CN203045202U (en) | Multi-wire double-cantilever welding device | |
| CN104785913B (en) | Dividing plate welding work station | |
| CN102941428B (en) | Multi-wire double-cantilever welding device | |
| CN101723254B (en) | Device for moving equipment in container | |
| CN206632563U (en) | A kind of six axle automatic welding devices of precision | |
| CN105364403A (en) | Welding angle self-adjustment device of crane beam body welding bench | |
| CN202291932U (en) | Automatic welding device for plate unit | |
| CN204673137U (en) | A kind of tower cylinder welding hoistable platform | |
| CN207130339U (en) | A kind of portable set device for intermediate channel cladding |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140416 Effective date of abandoning: 20150701 |
|
| RGAV | Abandon patent right to avoid regrant |