CN107009084A - A kind of pipe welding machine angle positioning - Google Patents
A kind of pipe welding machine angle positioning Download PDFInfo
- Publication number
- CN107009084A CN107009084A CN201710311171.XA CN201710311171A CN107009084A CN 107009084 A CN107009084 A CN 107009084A CN 201710311171 A CN201710311171 A CN 201710311171A CN 107009084 A CN107009084 A CN 107009084A
- Authority
- CN
- China
- Prior art keywords
- hoop component
- anchor ear
- pipe
- welding machine
- pipe welding
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/053—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work aligning cylindrical work; Clamping devices therefor
- B23K37/0533—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work aligning cylindrical work; Clamping devices therefor external pipe alignment clamps
Abstract
The present invention relates to welding field, a kind of pipe welding machine angle positioning, be loaded including bottom plate, power set and respectively and need two hoop components of welded pipe, the hoop component can from power set power end driving along a first direction to movement, and cause the end contact of the pipe；The hoop component includes the runner assembly for rotating the pipe opposed bottom.The cooperation of installing plate and flap during mechanism is rotated by hoop component, it may be such that pipe to be welded rotates predetermined angle, and the relative position in port adjusted by being directed at governor motion after rotation, realize that pipe multi-angle is docked, it can ensure that docking angle is accurate after welding simultaneously, soldering opening alignment is accurate.
Description
Technical field
The present invention relates to welding field, particularly composite material tube soldering angle detent mechanism.
Background technology
The welding of PE pipes is main to be included being that material prepares：Circularity for the tubing of heat fusion welded fitting should be higher than that standard value, blanking
When to reserve 10-20mm chipping allowance.Two tubing to be welded should be placed in flat ground when being connected for pipeline and clamp tubing
According to the basic fixture of the pipe fitting replacing being welded, suitable slips is selected, institute's welded tube section must be clamped before cutting.Cutting：Cut
Cut the impurity and oxide layer of institute's welded tube section end face, it is ensured that two docking end faces are smooth, bright and clean.Centering：The misalignment of two butt welding pipeline sections should
It is the smaller the better, if misalignment is big, stress concentration can be caused, the 10% of wall thickness is not to be exceeded in misalignment.Heating：Ensure there be enough melt
Melting material, in case molecule mutually spreads during butt-fusion.Switching：This period is switching week since heating terminates to butt-fusion
Phase, to ensure butt-fusion quality, switching cycle is more short better.Butt-fusion：It is the key of welding, butt-fusion process should begin
Carried out eventually under melt pressure.Cooling：Due to plastic material poor thermal conductivity, cooling velocity is accordingly slow.Weld material
Shrink, the forming process of structure is carried out with slow speed in a long time.Therefore, the cooling of weld seam must be in certain pressure
It is lower to carry out.
The middle PE pipelines of prior art are generally straight tube, some PE swan-necks its pass through the stretching system of manufacturing equipment in production
Make, but during the PE pipes of the specific connection angle of welding, its angle is positioned to as difficult point.
The content of the invention
To solve the above problems, the present invention provides a kind of pipe welding machine angle positioning, mechanism can say welded tube in welding
Before be accurately positioned, and deviation can be finely tuned.
To achieve the above object, the present invention provides following technical scheme：
A kind of pipe welding machine angle positioning, including bottom plate, power set and be loaded need two anchor ears of welded pipe respectively
Component, the hoop component can from power set power end driving along a first direction to movement, and cause the pipe
End contact；
The hoop component includes the runner assembly for rotating the pipe opposed bottom.
It is used as preferred, the flap that the hoop component includes installing plate, bottom is connected by rotating shaft with installing plate；It is described
Be provided with flap lower anchor ear and and the upper anchor ear laterally hinging with lower anchor ear, the lower anchor ear and upper anchor ear rotate into closure
The loop configuration for holding tube wall tightly is internally formed during lockup state.
As preferred, the pad that the flexible material of internal annular wall of the lower anchor ear and upper anchor ear is made, in institute
When stating anchor ear and lower anchor ear closure locking state, the pad of lower anchor ear and upper anchor ear inwall encloses the elasticity of extruding tube wall
Circle.
As preferred, the pad is provided with circumferentially spaced-apart hollow out.
As preferred, the bottom plate has power set and the first slide rail group, and a hoop component is arranged on institute
State on slide rail, the power end of the power set connect the hoop component and can promote the hoop component along the first slide rail group to
Another hoop component is slided.
As preferred, longitudinal adjusting mechanism is installed on the bottom plate, the alignment governor motion may be such that an anchor ear
Second direction translation of the component along vertical first direction.
It is described to be directed at what governor motion coordinated including the axle center screw mandrel vertical with first direction, with screw mandrel as preferred
Screw rodb base is installed in screw rodb base and handwheel, the bottom of hoop component, and the hoop component rotates driving to the by screw mandrel
Two directions are translated.
As preferred, the alignment governor motion includes being used for locking hoop component translating lockable mechanism along leading screw.
As preferred, the alignment governor motion includes being provided with and anchor ear group on range marker pointer, the bottom plate
The part length scales that shift length matches in a second direction, the range marker pointer and the length scales location matches.
As preferred, there is the angle indicator on the hollow out of arc, the installing plate with column on the flap, should
Angle indicator is inserted into hollow part, and when the flap, which is mounted opposite plate, to be rotated, the angle indicator is rotated along hollow part；Institute
Stating hollow part has the angle scale matched with the flap and installing plate relative rotation angle.
Using the beneficial effects of the invention are as follows：
The cooperation of installing plate and flap during mechanism is rotated by hoop component, may be such that pipe to be welded rotates preset angle
Degree, and the relative position in port is adjusted by being directed at governor motion after rotation, realize that pipe multi-angle is docked, while can ensure
Docking angle is accurate after welding, and soldering opening alignment is accurate.
Brief description of the drawings
Fig. 1 is the overall structure diagram of pipe welding machine angle positioning of the present invention.
Fig. 2 is the schematic diagram after hoop component rotation in pipe welding machine angle positioning of the present invention.
Fig. 3 is the overlooking the structure diagram after hoop component rotation in pipe welding machine angle positioning of the present invention.
Fig. 4 is the schematic diagram of pipe welding machine angle positioning bottom views of the present invention.
Fig. 5 is hoop component side schematic view in pipe welding machine angle positioning of the present invention.
Fig. 6 is partial approach figure in A portions in Fig. 1.
Fig. 7 is B portions partial enlarged drawing in Fig. 4.
Reference includes：
100- bottom plate 210- power set 220- contiguous blocks
230- the first slide rail group 240- the first sliding block group 310- handwheels
320- screw rodb base 330- screw mandrel 340- set levers
350- the second slide rail group 360- the second sliding block group 410- installing plates
Anchor ear under 420- flap 430- hoop components 431-
The upper anchor ear 433- articulated sections 434- pads of 432-
435- position fixing handle 440- angle regulator 441- angular adjustment handles
442- angle indicator 443- angle scale 500- range markers
510- range marker pointer 520- length scales
Embodiment
The present invention is described in detail below in conjunction with accompanying drawing.
As shown in Fig. 1-Fig. 7, the present embodiment provides a kind of pipe welding machine angle positioning, including bottom plate 100, power set
210 and it is loaded needs two hoop components 430 of welded pipe respectively, hoop component 430 can be driven by the power end of power set 210
Along a first direction to movement, and cause the end contact of pipe；Hoop component 430 includes making what pipe opposed bottom 100 was rotated
Runner assembly.
Specifically, the hoop component 430 installed on bottom plate 100 relative can be slided, in the present embodiment, on bottom plate 100
First slide rail group 230 is installed, hoop component 430 can be slided along the first slide rail group 230, in other embodiments, hoop component
430 can also be realized by diversified forms such as driving-chain, transmission belts.Hoop component 430 has two, wherein the first hoop component
430 hold one tightly with pipe, and the second hoop component 430 holds another pipe, after two end heats relative with pipe, hoop component tightly
430 relatively move the ends contact for causing two pipes, compression, and two pipes can complete welding.
Runner assembly wherein in hoop component 430 may be such that pipe opposed bottom 100 rotates certain angle, so as to realize
The welding of pipe end, for example, two hooping structures are rotated after identical angle to the same side, the axle center of two pipes is in same straight line
On, then cutting tube corresponding end again so that pipe end is parallel to each other, you can carry out subsequent technique so that two pipes are welded on one
Rise.When hoop component 430 by the runner assembly of bottom to one angle of ipsilateral rotation after, form knot as shown in Figures 2 and 3
Structure.
The flap 420 that hoop component 430 includes installing plate 410, bottom is connected by rotating shaft with installing plate 410；Flap 420
On be provided with lower anchor ear 431 and and the upper anchor ear 432 laterally hinging with lower anchor ear 431, lower 432 turns of anchor ear 431 and upper anchor ear
The loop configuration for holding tube wall tightly is internally formed when moving into closure lockup state.
As shown in figure 1, plate on the basis of installing plate 410, the center of installing plate 410 is provided with a rotating shaft, turn of rotating shaft
Moved end is protruded upward, and flap 420 is arranged on the turning end of rotating shaft, and can be mounted opposite plate 410 around rotating shaft and horizontally rotate.Flap
There is the support body for installing lower anchor ear 431, support body includes leg, and wherein leg is triangle, and leg is in support body away from welding on 420
The side of end face.The effect of leg is avoided when two tube ends are abutted together, and hooping structure entirety lateral deflection can be carried
High welding quality and welding precision.Lower anchor ear 431 in this implementation is rack-mount, upper being hinged by side of anchor ear 432
Portion 433 is hinged with lower anchor ear 431, and upper anchor ear 432 and lower anchor ear 431 can be locked in the side relative with articulated section 433, this implementation
Locking mechanism in example rotates the upper anchor ear 432 of engaging and lower anchor ear 431 to be mechanical by position fixing handle 435, when upper armful
After hoop 432 and lower anchor ear 431 are held tightly, you can hold pipe outer circle wall tightly.At least one anchor ear is respectively mounted on each flap 420,
In the present embodiment, two anchor ears are installed so that when end surfaces are compressed, anchor ear will not downward shift or a left side on each flap 420
Right avertence is moved.
Hooping structure in the present embodiment is after locking, and inside can form the loop configuration for holding pipe outer wall tightly, multiple armfuls
The center of the loop configuration of hoop is leading in a horizontal plane, no matter how pipe rotates, the shaft core of pipe, can in same straight line
It is preliminary to ensure pipe welding rearward end alignment.
Relative, the flexible material of internal annular wall of lower anchor ear 431 and upper anchor ear 432 with upper anchor ear 432 and lower anchor ear 431
Expect the pad 434 being made, in upper anchor ear 432 and lower anchor ear 431 closure locking state, lower anchor ear 431 and upper anchor ear 432 inwall
Pad 434 enclose extruding tube wall elastic ring.The effect of elastic ring is can to avoid the hard position extruded tube of hooping structure
Wall produces defect, and extra enclasping force is provided pipe in addition, prevents pipe from being skidded in ends contact.Pad in the present embodiment
434 be that elastomeric material is made or other organic elastic materials, such as silica gel.
As preferred, pad 434 is provided with circumferentially spaced-apart hollow out.In the present embodiment, interval hollow out in pad 434 can be
When pad 434 extrudes tube wall, a less deformation is produced, enclasping force is provided to tube wall by natural resiliency, while interval is engraved
Sky has the advantages that so that the weight of pad 434 is low.
As shown in figure 1, bottom plate 100 has the slide rail group 230 of power set 210 and first, a hoop component 430 is arranged on
On slide rail, the power end of power set 210 connects the hoop component 430 and can promote the hoop component 430 along the first slide rail
Group 230 is slided to another hoop component 430.
First slide rail group 230 includes installing the first sliding block group on two one slide rails of upper extension along a first direction, slide rail
240, hoop component 430 is arranged in the first sliding block group 240 so that hoop component 430 can follow the first sliding block group 240 along the
One direction is acted.This group of hooping structure is the first hooping structure, and the power end of power set 210 is connected to by contiguous block 220
The bottom of first hooping structure, power set 210 can drive the first hoop component 430 to slide by the stretching or withdrawal of power end
It is dynamic.
Another hoop component 430 is to be provided with longitudinal adjusting mechanism on the second hoop component 430, bottom plate 100, and the alignment is adjusted
Section mechanism may be such that second direction translation of the hoop component 430 along vertical first direction.When hoop component 430 rotates
Afterwards, the end of pipe is after cutting, and end is it is possible that situation about can not be aligned, can adjust pipe end position by longitudinal adjusting mechanism
Put so that the end alignment of two pipes.
In the present embodiment, the second slide rail group 350, and in the second slide rail group 350 are installed on bottom plate 100
Two sliding block groups 360, the bearing of trend of the second slide rail group 350 is vertical with the bearing of trend of the first slide rail group 230.
With reference to shown in Fig. 1 and Fig. 7, specifically, alignment governor motion include the axle center screw mandrel 330 vertical with first direction,
The screw rodb base 320 and handwheel 310 coordinated with screw mandrel 330, the bottom of a hoop component 430 is installed by screw rodb base 320, the anchor ear group
Part 430 rotates driving by screw mandrel 330 and translated to second direction.Second hoop component 430 and the mirror image of the first hoop component 430 are set
Put, the bottom plate 100 in the second hoop component 430 is arranged in the second sliding block group 360, when rotary screw rod 330, the second anchor ear group
Part 430 is translated along the second slide rail group 350, by adjusting screw mandrel 330, the lengthwise position of fine-tuning whole second hoop component 430,
So that the end of two pipes is relative.Screw mandrel 330 in this implementation can be manually adjusted, and 330 turns of screw mandrel is driven by rotation hand wheel 310
It is dynamic.
Being directed at governor motion includes translating lockable mechanism along leading screw for locking hoop component 430.At the end of two pipes
After portion's alignment, by pushing set lever 340 so that the second hoop component 430 will not be translated in a second direction by mistake, it is to avoid grasp
Make or pipe end extrudes the error caused.In other embodiments, screw mandrel 330 can pass through electric control gear drive control.
Being directed at governor motion includes range marker pointer 510, is provided with bottom plate 100 with hoop component 430 along second party
The length scales 520 matched to shift length, range marker pointer 510 and the location matches of length scales 520.In the present embodiment
The side of bottom plate 100 have a range marker pointer be installed on length scales 520, the second hoop component 430
510, after the translation of the second hoop component 430, pass through the coordinate difference pointed out in length scales 520, you can draw the second hoop component
The distance of 430 translations.
As shown in fig. 6, angle regulator 440 includes having on the hollow out on flap 420 with arc, installing plate 410
The angle indicator 442 of column, the angle indicator 442 is inserted into hollow part, when flap 420, which is mounted opposite plate 410, to be rotated, angle
Pointer 442 is rotated along hollow part；Hollow part has relatively rotates the angle that angle matches with flap 420 and installing plate 410
Scale 443.For example, 30 degree of angle between the extended line and another section of pipe of one section of pipe, the first hoop component 430 rotation 15
Degree, the second hoop component 430 rotates 15 degree, you can realize.The first hoop component 430 and the second hoop component in this implementation
The angle of 430 rotations is identical, and end surfaces could be caused to keep alignment after cutting.In the present embodiment, hoop component 430, which is rotated, is
Plate 410 is mounted opposite for flap 420 to rotate, operating personnel can rotate hoop component 430 manually by angular adjustment handle 441,
And the angle of the rotation of hoop component 430 is intuitively observed by angle scale 443.
Above content is only presently preferred embodiments of the present invention, for one of ordinary skill in the art, according to the present invention's
Thought, in specific embodiments and applications can be so that many changes may be made, as long as these changes are without departing from the structure of the present invention
Think, belong to protection scope of the present invention.
Claims (10)
1. a kind of pipe welding machine angle positioning, it is characterised in that：It is loaded including bottom plate, power set and respectively and needs welded pipe
Two hoop components, the hoop component can from power set power end driving along a first direction to movement, and cause
The end contact of the pipe；
The hoop component includes the runner assembly for rotating the pipe opposed bottom.
2. pipe welding machine angle positioning according to claim 1, it is characterised in that：The hoop component includes installing
The flap that plate, bottom are connected by rotating shaft with installing plate；Lower anchor ear is installed on the flap and and laterally cut with scissors with lower anchor ear
The upper anchor ear connect, the lower anchor ear and upper anchor ear are internally formed the loop configuration for holding tube wall tightly when rotating into closure lockup state.
3. pipe welding machine angle positioning according to claim 2, it is characterised in that：The lower anchor ear and upper anchor ear it is interior
The pad that annular wall flexible material in portion's is made, the anchor ear and during lower anchor ear closure locking state on described, lower anchor ear and upper
The pad of anchor ear inwall encloses the elastic ring of extruding tube wall.
4. pipe welding machine angle positioning according to claim 3, it is characterised in that：The pad is engraved provided with circumferentially spaced-apart
It is empty.
5. pipe welding machine angle positioning according to claim 1, it is characterised in that：The bottom plate have power set and
First slide rail group a, hoop component is arranged on the slide rail, and the power end of the power set connects the anchor ear group
Part simultaneously can promote the hoop component to be slided along the first slide rail group to another hoop component.
6. pipe welding machine angle positioning according to claim 1, it is characterised in that：Longitudinal tune is installed on the bottom plate
Mechanism is saved, the alignment governor motion may be such that second direction translation of the hoop component along vertical first direction.
7. pipe welding machine angle positioning according to claim 6, it is characterised in that：The alignment governor motion includes axle
The heart screw mandrel vertical with first direction, the screw rodb base and handwheel coordinated with screw mandrel, the bottom of a hoop component are installed by silk
Pole socket, the hoop component rotates driving by screw mandrel and translated to second direction.
8. pipe welding machine angle positioning according to claim 7, it is characterised in that：The alignment governor motion includes using
In locking hoop component lockable mechanism is being translated along leading screw.
9. pipe welding machine angle positioning according to claim 7, it is characterised in that：It is described alignment governor motion include away from
From mark pointer, be provided with the bottom plate with the hoop component length scales that shift length matches in a second direction, it is described
Range marker pointer and the length scales location matches.
10. pipe welding machine angle positioning according to claim 2, it is characterised in that：There is arc on the flap
There is the angle indicator of column, the angle indicator is inserted into hollow part, when the flap is mounted opposite on hollow out, the installing plate
When plate is rotated, the angle indicator is rotated along hollow part；The hollow part has to be relatively rotated with the flap and installing plate
The angle scale that angle matches.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710311171.XA CN107009084A (en) | 2017-05-03 | 2017-05-03 | A kind of pipe welding machine angle positioning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710311171.XA CN107009084A (en) | 2017-05-03 | 2017-05-03 | A kind of pipe welding machine angle positioning |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107009084A true CN107009084A (en) | 2017-08-04 |
Family
ID=59448939
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710311171.XA Pending CN107009084A (en) | 2017-05-03 | 2017-05-03 | A kind of pipe welding machine angle positioning |
Country Status (1)
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| CN (1) | CN107009084A (en) |
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107790848A (en) * | 2017-11-01 | 2018-03-13 | 周亮 | A kind of air-conditioning copper pipe welding fixed equipment |
| CN108705345A (en) * | 2018-07-20 | 2018-10-26 | 贵州大学 | Adjustable clamp for slender rod piece |
| CN108747190A (en) * | 2018-07-03 | 2018-11-06 | 潘丽华 | A kind of butting joint alignment device for butt welding of tubes |
| CN109434368A (en) * | 2018-12-25 | 2019-03-08 | 嵊州市越通非开挖建设有限公司 | A kind of connection centralising device for pipeline engineering |
| CN109664063A (en) * | 2018-12-25 | 2019-04-23 | 嵊州市越通非开挖建设有限公司 | A kind of centralising device for pipeline docking |
| WO2019091314A1 (en) * | 2017-11-10 | 2019-05-16 | 常熟市欧迪管业有限公司 | Titanium pipe welding tool |
| CN110153631A (en) * | 2019-04-28 | 2019-08-23 | 安徽管益生新材料科技有限公司 | A kind of pipe fitting welding ancillary equipment |
| CN110434544A (en) * | 2019-07-16 | 2019-11-12 | 嵊州市越通非开挖建设有限公司 | A kind of method of adjustable pipeline multi-angle docking |
| CN110653470A (en) * | 2019-09-21 | 2020-01-07 | 冯家富 | Welding equipment for solar vacuum tube connecting frame |
| CN111271511A (en) * | 2019-12-26 | 2020-06-12 | 彭茶妹 | Pipeline multidirectional butt joint device |
| CN111299949A (en) * | 2019-12-05 | 2020-06-19 | 安徽信息工程学院 | Clamping device for manually welding small tank and using method thereof |
| CN111503369A (en) * | 2020-04-13 | 2020-08-07 | 浙江水利水电学院 | Support device for ecological pipe network connection port and construction method thereof |
| CN111570969A (en) * | 2020-04-23 | 2020-08-25 | 山东鲁能泰山铁塔有限公司 | Arc welding machine for street lamp pole production |
| CN112372227A (en) * | 2020-10-20 | 2021-02-19 | 海洋石油工程（青岛）有限公司 | Lacing wire assembly device |
| CN112388242A (en) * | 2020-11-23 | 2021-02-23 | 沙雨亭 | Clamp for welding heating and ventilation pipe |
| CN114535855A (en) * | 2022-04-27 | 2022-05-27 | 山西省安装集团股份有限公司 | Heat supply pipeline butt welding tool |
| CN116511821A (en) * | 2023-04-26 | 2023-08-01 | 长春市双阳区兴龙汽车零部件有限公司 | Automatic regulating equipment of welding machine |
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Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107790848A (en) * | 2017-11-01 | 2018-03-13 | 周亮 | A kind of air-conditioning copper pipe welding fixed equipment |
| WO2019091314A1 (en) * | 2017-11-10 | 2019-05-16 | 常熟市欧迪管业有限公司 | Titanium pipe welding tool |
| CN108747190A (en) * | 2018-07-03 | 2018-11-06 | 潘丽华 | A kind of butting joint alignment device for butt welding of tubes |
| CN108705345A (en) * | 2018-07-20 | 2018-10-26 | 贵州大学 | Adjustable clamp for slender rod piece |
| CN109434368A (en) * | 2018-12-25 | 2019-03-08 | 嵊州市越通非开挖建设有限公司 | A kind of connection centralising device for pipeline engineering |
| CN109664063A (en) * | 2018-12-25 | 2019-04-23 | 嵊州市越通非开挖建设有限公司 | A kind of centralising device for pipeline docking |
| CN109664063B (en) * | 2018-12-25 | 2020-10-23 | 嵊州市越通非开挖建设有限公司 | Centering device for pipeline butt joint |
| CN110153631A (en) * | 2019-04-28 | 2019-08-23 | 安徽管益生新材料科技有限公司 | A kind of pipe fitting welding ancillary equipment |
| CN110434544A (en) * | 2019-07-16 | 2019-11-12 | 嵊州市越通非开挖建设有限公司 | A kind of method of adjustable pipeline multi-angle docking |
| CN110653470A (en) * | 2019-09-21 | 2020-01-07 | 冯家富 | Welding equipment for solar vacuum tube connecting frame |
| CN111299949A (en) * | 2019-12-05 | 2020-06-19 | 安徽信息工程学院 | Clamping device for manually welding small tank and using method thereof |
| CN111271511A (en) * | 2019-12-26 | 2020-06-12 | 彭茶妹 | Pipeline multidirectional butt joint device |
| CN111503369A (en) * | 2020-04-13 | 2020-08-07 | 浙江水利水电学院 | Support device for ecological pipe network connection port and construction method thereof |
| CN111503369B (en) * | 2020-04-13 | 2021-11-30 | 浙江水利水电学院 | Support device for ecological pipe network connection port and construction method thereof |
| CN111570969A (en) * | 2020-04-23 | 2020-08-25 | 山东鲁能泰山铁塔有限公司 | Arc welding machine for street lamp pole production |
| CN112372227A (en) * | 2020-10-20 | 2021-02-19 | 海洋石油工程（青岛）有限公司 | Lacing wire assembly device |
| CN112388242A (en) * | 2020-11-23 | 2021-02-23 | 沙雨亭 | Clamp for welding heating and ventilation pipe |
| CN114535855A (en) * | 2022-04-27 | 2022-05-27 | 山西省安装集团股份有限公司 | Heat supply pipeline butt welding tool |
| CN116511821A (en) * | 2023-04-26 | 2023-08-01 | 长春市双阳区兴龙汽车零部件有限公司 | Automatic regulating equipment of welding machine |
| CN116511821B (en) * | 2023-04-26 | 2023-10-20 | 长春市双阳区兴龙汽车零部件有限公司 | Automatic regulating equipment of welding machine |
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Application publication date: 20170804 |