CN107775241A - A kind of blast pipe tapered end components welding frock - Google Patents
A kind of blast pipe tapered end components welding frock Download PDFInfo
- Publication number
- CN107775241A CN107775241A CN201610767364.1A CN201610767364A CN107775241A CN 107775241 A CN107775241 A CN 107775241A CN 201610767364 A CN201610767364 A CN 201610767364A CN 107775241 A CN107775241 A CN 107775241A
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- China
- Prior art keywords
- positioning
- supporting plate
- blast pipe
- tapered end
- lever
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Classifications
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- 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
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Arc Welding In General (AREA)
Abstract
The present invention relates to welding tooling technical field, more particularly to a kind of blast pipe tapered end components welding frock, the upper ejection device is arranged between supporting plate and bottom plate and lifts the upper jacking block of the first split upwards provided with side from bottom to top through supporting plate and clamping workpiece tool, the hold-down devices are arranged on column and provided with the lower lock block for compressing the second split from top to bottom by support, first location reshaping device be provided with can along the first semicircle interface axis direction move first positioning dressing stick, second location reshaping device is provided with the second positioning dressing stick that can be moved along the axis direction of the second semicircle interface.The present invention can avoid influenceing its welding between other pipe fittings because the thrust effect of positioning clamping device causes two connection end deformations, and whole welding tooling is simple in construction easy to operate, it is possible to achieve the single weld job of blast pipe tapered end component.
Description
Technical field
The present invention relates to welding tooling technical field, more particularly to a kind of blast pipe tapered end components welding frock.
Background technology
Because its result is special, generally use split punching press and then the mode welded are manufactured blast pipe tapered end component,
Blast pipe tapered end component includes symmetrical first split and the second split, has small one and large one two after two splits are assembled
Individual connectivity port, i.e. the first connection end and second connection end, and the axis of two connection ends is mutually perpendicular to and copline, by
In blast pipe taper end, modular construction is special, and all surface is curved surface, fixed difficult, is aided in without professional welding tooling
In the case of, it is necessary to which two people's coordinative operations complete welding, it is therefore desirable to special welding tooling it is carried out assembling positioning so as to
One man operation is realized, improves operating efficiency.
The content of the invention
In view of the above-mentioned deficiencies in the prior art, it is an object of the present invention to a kind of blast pipe tapered end components welding frock is provided, should
Welding tooling can coordinate first split and second split of the positioning clamping device to being stitched together by clamping workpiece tool
Effectively positioned, and two connection ends of spliced blast pipe tapered end component can be entered by location reshaping device
Row shaping is fixed, and avoids influenceing itself and other pipes because the thrust effect of positioning clamping device causes two connection end deformations
Welding between part, whole welding tooling are simple in construction easy to operate, it is possible to achieve the single welding of blast pipe tapered end component is made
Industry.
To solve the above problems, the present invention provides following technical scheme：
A kind of blast pipe tapered end components welding frock, including frame and rack-mounted positioning clamping device and positioning shaping
Device, the frame include bottom plate, supporting plate and column, and supporting plate is horizontal on bottom plate by support column
Side, column are connected with supporting plate respectively at bottom plate by bolt and are located at the sidepiece of supporting plate, installed in supporting plate by bolt
There is clamping workpiece tool, the clamping workpiece tool is provided with the loading coordinated with the outline of the first split of blast pipe tapered end component
Groove, clamping workpiece tool are provided with two and position end face perpendicular to supporting plate and the perpendicular to one another first positioning end face and second,
First positioning end face is provided with the first semicircle interface to connect with loading chute inner surface, and the second positioning end face is provided with and table in loading chute
The second semicircle interface that face connects, the positioning clamping device include ejection device and hold-down devices, the upper ejection device peace
First point is lifted upwards between supporting plate and bottom plate and provided with side from bottom to top through supporting plate and clamping workpiece tool
The upper jacking block of body, the hold-down devices are arranged on column and are provided with by support compresses pushing for the second split from top to bottom
Block, the location reshaping device include the first location reshaping device and the second location reshaping device, and the first location reshaping device is set
Have can along the first semicircle interface axis direction move first positioning dressing stick, the second location reshaping device be provided with can edge
The second positioning dressing stick of the axis direction movement of the second semicircle interface.
Further, first location reshaping device also includes the first guide plate, first rotating shaft, the first lever and
One connecting rod, on the supporting plate, one end of the first lever and the top of first rotating shaft are hinged the first rotating shaft right angle setting, and first
With being movably hinged in the middle part of the first lever, the first positioning dressing stick is fixedly mounted on the another of first connecting rod for one end of connecting rod
End, first guide plate be close to it is described first positioning end face be vertically mounted in supporting plate, offered on the first guide plate with
First pilot hole of the first semicircle interface coaxial line, the first positioning dressing stick is the circle being slidably matched with first pilot hole
Cylindricality dressing stick.
Further, second location reshaping device also includes the second guide plate, the second rotating shaft, the second lever and
Two connecting rods, on the supporting plate, one end of second connecting rod and the top of the second rotating shaft are hinged the second rotating shaft right angle setting, and second
With being movably hinged in the middle part of the second lever, the second positioning dressing stick is fixedly mounted on the other end of second connecting rod for one end of connecting rod,
Second guide plate is close to the second positioning end face and is vertically mounted in supporting plate, is offered on the second guide plate and second
Second pilot hole of semicircle interface coaxial line, the second positioning dressing stick is the cylinder being slidably matched with second pilot hole
Dressing stick.
Further, the upper ejection device also includes support block and the 3rd lever, and the support block is bolted
In the bottom of supporting plate, middle part and the support block of the 3rd lever are hinged, and the lower end of upper jacking block and the end of the first lever are hinged,
Offer the through hole passed through for upper jacking block in the bottom of supporting plate and clamping workpiece tool, the top of the upper jacking block is provided with the
The upper contact surface that one split outer surface profile is engaged.
Further, the hold-down devices also include cylinder, mounting bracket and controller, and mounting bracket is pacified by bolt
Mounted in the upper end sidepiece of column, cylinder is arranged in the mounting bracket in vertical state, and the lower lock block is fixedly mounted on cylinder
In output end, the controller is provided with switching and switched, air inlet, first row gas port and second exhaust port, first air inlet
Linked by pipeline and compressed air gas source, first row gas port connects with two air inlets of the second exhaust port respectively at cylinder.
Further, the lower lock block includes horizontal base plate, the first lower platen and the second lower platen, and horizontal base plate is in water
Level state and it is fixedly connected with the output end of cylinder, the first lower platen and the second lower platen are fixedly mounted on water in vertical state
Flat base lower surface, the first lower platen and the second lower platen are perpendicular to one another.
Further, the lower end of first lower platen is provided with the 3rd semicircle interface being engaged with the first semicircle interface.
Further, the lower end of second lower platen is provided with the 4th semicircle interface being engaged with the second semicircle interface.
Beneficial effect：A kind of blast pipe tapered end components welding frock of the present invention, the welding tooling can be filled by workpiece
Clamp tool coordinates positioning clamping device effectively to position the first split being stitched together and the second split, and can be with
Shaping is carried out to two connection ends of spliced blast pipe tapered end component to fix, avoid due to positioning by location reshaping device
The thrust effect of clamping device causes two connection end deformations and influences its welding between other pipe fittings, whole Welder
Assembling structure simple operations are convenient, it is possible to achieve the single weld job of blast pipe tapered end component.
Brief description of the drawings
Fig. 1 is the three-dimensional knot schematic diagram of the present invention；
Fig. 2 is dimensional structure diagram one under use state of the present invention；
Fig. 3 is dimensional structure diagram two under use state of the present invention；
Fig. 4 is the dimensional structure diagram of clamping workpiece tool in the present invention；
Fig. 5 is the dimensional structure diagram one of the first location reshaping device in the present invention；
Fig. 6 is the dimensional structure diagram two of the first location reshaping device in the present invention；
Fig. 7 is the dimensional structure diagram one of the second location reshaping device in the present invention；
Fig. 8 is the dimensional structure diagram two of the second location reshaping device in the present invention；
Fig. 9 is the dimensional structure diagram of upper ejection device in the present invention；
Figure 10 is the dimensional structure diagram one of hold-down devices in the present invention；
Figure 11 is the dimensional structure diagram two of hold-down devices in the present invention；
Figure 12 is the dimensional structure diagram of blast pipe tapered end component；
Description of reference numerals：Bottom plate 1, supporting plate 2, column 3, support column 4, clamping workpiece tool 5, loading chute 5a, the first positioning
End face 5b, the second positioning end face 5c, the first semicircle interface 5d, the second semicircle interface 5e, the first location reshaping device 6, first leads
To plate 6a, first rotating shaft 6b, the first lever 6c, first connecting rod 6d, the first positioning dressing stick 6e, the second location reshaping device 7, the
Two guide plate 7a, the second rotating shaft 7b, the second lever 7c, second connecting rod 7d, second positions dressing stick 7e, upper ejection device 8, support block
8a, the 3rd lever 8b, upper jacking block 8c, upper contact surface 8d, hold-down devices 9, cylinder 9a, mounting bracket 9b, controller 9c, switching are opened
Close 9c1, air inlet 9c2, first row gas port 9c3, second exhaust port 9c4, lower lock block 9d, horizontal base plate 9d1, the first lower platen
9d2, the second lower platen 9d3, the 3rd semicircle interface 9d4, the 4th semicircle interface 9d5, plate 10 is vertically directed, is oriented to cell body 11, the
One split 12, the second split 13.
Embodiment
With reference to Figure of description and embodiment, the specific embodiment of the present invention is described in further detail：
Referring to shown in Fig. 1 to Figure 12, a kind of blast pipe tapered end components welding frock, including frame and rack-mounted positioning
Clamping device and location reshaping device, the frame include bottom plate 1, supporting plate 2 and column, and supporting plate 2 is in by support column 4
Horizontality is arranged on the top of bottom plate 1, and column is connected respectively at bottom plate 1 and supporting plate 2 by bolt and positioned at the side of supporting plate 2
Portion, clamping workpiece tool 5 is provided with by bolt in supporting plate 2, the clamping workpiece tool 5 is provided with and blast pipe tapered end component
The loading chute 5a that the outline of first split 12 coordinates, clamping workpiece tool 5 are provided with two perpendicular to supporting plate 2 and hung down each other
Straight the first positioning end face 5b and the second positioning end face 5c, the first positioning end face 5b are provided with the to connect with loading chute 5a inner surfaces
One semicircle interface 5d, the second positioning end face 5c is provided with the second semicircle interface 5e to connect with loading chute 5a inner surfaces, the positioning
Clamping device includes ejection device 8 and hold-down devices 9, and the upper ejection device 8 is arranged between supporting plate 2 and bottom plate 1 and set
There is the upper jacking block 8c that side passes through supporting plate 2 from bottom to top and clamping workpiece tool 5 lifts the first split 12 upwards, it is described to push
Device 9 is arranged on column and provided with the lower lock block 9d for compressing the second split 13 from top to bottom, the positioning shaping by support
Device includes the first location reshaping device 6 and the second location reshaping device, the first location reshaping device 6 be provided with can along first
First positioning dressing stick 6e of semicircle interface 5d axis direction movement, the second location reshaping device 7 is provided with can be along the second half
Second positioning dressing stick 7e of circle interface 5e axis direction movement.
First location reshaping device 6 also includes the first guide plate 6a, first rotating shaft 6b, the first lever 6c and first
Connecting rod 6d, the first rotating shaft 6b are vertically mounted in supporting plate 2, and the first lever 6c one end is cut with scissors with first rotating shaft 6b top
Connect, with being movably hinged in the middle part of the first lever 6c, the first positioning dressing stick 6e is fixedly mounted on first for first connecting rod 6d one end
The connecting rod 6d other end, the first guide plate 6a are close to the first positioning end face 5b and are vertically mounted in supporting plate 2, the
Offer the first pilot hole with the first semicircle interface 5d coaxial lines on one guide plate 6a, the first positioning dressing stick 6e be with
The cylindrical dressing stick that first pilot hole is slidably matched.
Second location reshaping device 7 also includes the second guide plate 7a, the second rotating shaft 7b, the second lever 7c and second
Connecting rod 7d, the second rotating shaft 7b are vertically mounted in supporting plate 2, and second connecting rod 7d one end and the second rotating shaft 7b top are cut with scissors
Connect, with being movably hinged in the middle part of the second lever 7c, the second positioning dressing stick 7e is fixedly mounted on second for second connecting rod 7d one end
The connecting rod 7d other end, the second guide plate 7a are close to the second positioning end face 5c and are vertically mounted in supporting plate 2, and second
The second pilot hole with the second semicircle interface 5e coaxial lines is offered on guide plate 7a, the second positioning dressing stick 7e is and this
The cylindrical dressing stick that second pilot hole is slidably matched.
The upper ejection device 8 also includes support block 8a and the 3rd lever 8b, and the support block 8a is secured by bolts in
The bottom of supporting plate 2, the 3rd lever 8b middle part and support block 8a are hinged, upper jacking block 8c lower end and the first lever 6c end
Portion is hinged, and the through hole passed through for upper jacking block 8c, the upper jacking block are offered in the bottom of supporting plate 2 and clamping workpiece tool 5
8c top is provided with the upper contact surface that the outer surface profile of the first split 12 is engaged.
The hold-down devices 9 also include cylinder 9a, mounting bracket 9b and controller 9c, and mounting bracket 9b is pacified by bolt
Mounted in the upper end sidepiece of column, cylinder 9a is arranged on mounting bracket 9b in vertical state, and the lower lock block 9d is fixedly mounted
In cylinder 9a output ends, the controller 9c is provided with switching switch 9c1, air inlet 9c2, first row gas port 9c3 and second row
Gas port 9c4, the first air inlet 9c2 are linked by pipeline and compressed air gas source, first row gas port 9c3 and second exhaust port
Two air inlet 9c2 connections of the 9c4 respectively at cylinder 9a.
The lower lock block 9d includes horizontal base plate 9d1, the first lower platen 9d2 and the second lower platen 9d3, horizontal base plate
9d1 is horizontal and is fixedly connected with cylinder 9a output end, and the first lower platen 9d2 and the second lower platen 9d3 are perpendicular
State is fixedly mounted on horizontal base plate 9d1 lower surfaces, and the first lower platen 9d2 and the second lower platen 9d3 are perpendicular to one another.
The lower end of the first lower platen 9d2 is provided with the 3rd semicircle interface 9d4 being engaged with the first semicircle interface 5d.
The lower end of the second lower platen 9d3 is provided with the 4th semicircle interface 9d5 being engaged with the second semicircle interface 5e.
Shown second guide plate 7a plan vertical, which is provided with, is vertically directed plate 10, in horizontal base plate 9d1 end one
The guiding cell body 11 that the cooperation of plate 10 is vertically directed with this is formed, lower lock block 9d is during decline by being oriented to cell body 11 and erecting
Straight guide plate 10 coordinates to avoid lower lock block 9d from twisting, it is ensured that and the first semicircle interface 5d docks with the 3rd semicircle interface 9d4,
The second semicircle interface 5e docks with the 4th semicircle interface 9d5 simultaneously.
Operation principle, when carrying out weld job, the first split 12 is placed in clamping workpiece tool 5 first, is
The outer surface of first split 12 is bonded with loading chute 5a inwall, and then cover the second split 13 makes two in the first split 12
Individual split is spliced into the blast pipe tapered end component of completion, and the first shaping locating piece is driven by the first lever 6c and the second lever 7c
It is inserted into the second shaping locating piece at the corresponding connection end of the blast pipe tapered end component after assembly, then pin steps on the 3rd lever 8b
The first split 12 is pushed up from bottom to top to lift upper jacking block 8c, is opened finally by controller 9c switching to control cylinder 9a top
Bar ejection is that lower lock block 9d declines, and is corresponding to the first lower platen 9d2 and the second lower platen 9d3 is pushed down on blast pipe tapered end component
The edge of connection end, the inwall tight of corresponding connection end is lived corresponding positioning dressing stick, finally proceed by weldering
Connect operation.It is accurate that the positioning and clamping of blast pipe tapered end component is corresponded to due to the welding tooling, and is designed for two connection ends
Have a corresponding location reshaping device, thus welding terminate after will not be discharged because of welding stress and cause two connection ends deformations, it is real
The single weld job of blast pipe tapered end component is showed, welding quality is ensure that while improving operating efficiency.
The above described is only a preferred embodiment of the present invention, any limit not is made to the technical scope of the present invention
System, therefore any subtle modifications, equivalent variations and modifications that every technical spirit according to the present invention is made to above example,
In the range of still falling within technical scheme.
Claims (8)
- A kind of 1. blast pipe tapered end components welding frock, it is characterised in that：Clamped including frame and rack-mounted positioning Device and location reshaping device, the frame include bottom plate（1）, supporting plate（2）And column（3）, supporting plate（2）Pass through support Post（4）It is horizontal and is arranged on bottom plate（1）Top, column（3）By bolt respectively at bottom plate（1）And supporting plate（2）Connection And it is located at supporting plate（2）Sidepiece, supporting plate（2）It is upper that clamping workpiece tool is provided with by bolt（5）, the clamping workpiece tool （5）Provided with the first split with blast pipe tapered end component（12）Outline coordinate loading chute（5a）, clamping workpiece tool（5） Provided with two perpendicular to supporting plate（2）And the first positioning end face perpendicular to one another（5b）With the second positioning end face（5c）, first Position end face（5b）It is provided with and loading chute（5a）The first semicircle interface that inner surface connects（5d）, the second positioning end face（5c）It is provided with With loading chute（5a）The second semicircle interface that inner surface connects（5e）, the positioning clamping device includes ejection device（8）With Hold-down devices（9）, the upper ejection device（8）Installed in supporting plate（2）And bottom plate（1）Between and pass through provided with side from bottom to top Supporting plate（2）With clamping workpiece tool（5）Lift the first split upwards（12）Upper jacking block（8c）, the hold-down devices（9）It is logical Cross support and be arranged on column（3）Go up and be provided with and compress the second split from top to bottom（13）Lower lock block（9d）, the positioning shaping Device includes the first location reshaping device（6）With the second location reshaping device（7）, the first location reshaping device（6）Provided with can edge The the first semicircle interface（5d）Axis direction movement first positioning dressing stick（6e）, the second location reshaping device（7）If Having can be along the second semicircle interface（5e）Axis direction movement second positioning dressing stick（7e）.
- A kind of 2. blast pipe tapered end components welding frock according to claim 1, it is characterised in that：First positioning is whole Shape dress is put（6）Also include the first guide plate（6a）, first rotating shaft（6b）, the first lever（6c）And first connecting rod（6d）, it is described First rotating shaft（6b）It is vertically mounted on supporting plate（2）On, the first lever（6c）One end and first rotating shaft（6b）Top be hinged, First connecting rod（6d）One end and the first lever（6c）Middle part be movably hinged, first positioning dressing stick（6e）It is fixedly mounted on One connecting rod（6d）The other end, first guide plate（6a）It is close to the first positioning end face（5b）It is vertically mounted on support Plate（2）On, the first guide plate（6a）On offer and the first semicircle interface（5d）First pilot hole of coaxial line, described first is fixed Position dressing stick（6e）For the cylindrical dressing stick being slidably matched with first pilot hole.
- A kind of 3. blast pipe tapered end components welding frock according to claim 1, it is characterised in that：Second positioning is whole Shape dress is put（7）Also include the second guide plate（7a）, the second rotating shaft（7b）, the second lever（7c）And second connecting rod（7d）, it is described Second rotating shaft（7b）It is vertically mounted on supporting plate（2）On, second connecting rod（7d）One end and the second rotating shaft（7b）Top be hinged, Second connecting rod（7d）One end and the second lever（7c）Middle part be movably hinged, second positioning dressing stick（7e）It is fixedly mounted on Two connecting rods（7d）The other end, second guide plate（7a）It is close to the second positioning end face（5c）It is vertically mounted on supporting plate （2）On, the second guide plate（7a）On offer and the second semicircle interface（5e）Second pilot hole of coaxial line, second positioning Dressing stick（7e）For the cylindrical dressing stick being slidably matched with second pilot hole.
- A kind of 4. blast pipe tapered end components welding frock according to claim 1, it is characterised in that：The upper ejection device （8）Also include support block（8a）With the 3rd lever（8b）, the support block（8a）It is secured by bolts in supporting plate（2）Bottom Portion, the 3rd lever（8b）Middle part and the support block（8a）It is be hinged, upper jacking block（8c）Lower end and the first lever（6c）End It is be hinged, in supporting plate（2）With clamping workpiece tool（5）Bottom offer for upper jacking block（8c）The through hole passed through, it is described on Jacking block（8c）Top be provided with the first split（12）The upper contact surface that outer surface profile is engaged（8d）.
- A kind of 5. blast pipe tapered end components welding frock according to claim 1, it is characterised in that：The hold-down devices （9）Also include cylinder（9a）, mounting bracket（9b）And controller（9c）, mounting bracket（9b）Column is arranged on by bolt （3）Upper end sidepiece, cylinder（9a）The mounting bracket is arranged in vertical state（9b）On, the lower lock block（9d）It is fixedly mounted In cylinder（9a）In output end, the controller（9c）Switched provided with switching（9c1）, air inlet（9c2）, first row gas port （9c3）And second exhaust port（9c4）, first air inlet（9c2）Linked by pipeline and compressed air gas source, first exhaust Mouthful（9c3）And second exhaust port（9c4）Respectively at cylinder（9a）Two air inlets（9c2）Connection.
- A kind of 6. blast pipe tapered end components welding frock according to claim 5, it is characterised in that：The lower lock block（9d） Include horizontal base plate（9d1）, the first lower platen（9d2）With the second lower platen（9d3）, horizontal base plate（9d1）It is horizontal And with cylinder（9a）Output end be fixedly connected, the first lower platen（9d2）With the second lower platen（9d3）Fix in vertical state Installed in horizontal base plate（9d1）Lower surface, the first lower platen（9d2）With the second lower platen（9d3）Vertically.
- A kind of 7. blast pipe tapered end components welding frock according to claim 6, it is characterised in that：First lower platen （9d2）Lower end be provided with and the first semicircle interface（5d）The 3rd semicircle interface being engaged（9d4）.
- A kind of 8. blast pipe tapered end components welding frock according to claim 6, it is characterised in that：Second lower platen （9d3）Lower end be provided with and the second semicircle interface（5e）The 4th semicircle interface being engaged（9d5）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610767364.1A CN107775241A (en) | 2016-08-30 | 2016-08-30 | A kind of blast pipe tapered end components welding frock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610767364.1A CN107775241A (en) | 2016-08-30 | 2016-08-30 | A kind of blast pipe tapered end components welding frock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107775241A true CN107775241A (en) | 2018-03-09 |
Family
ID=61440790
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610767364.1A Pending CN107775241A (en) | 2016-08-30 | 2016-08-30 | A kind of blast pipe tapered end components welding frock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107775241A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110125591A (en) * | 2019-05-07 | 2019-08-16 | 宁波新华泰模塑电器有限公司 | A kind of tailpipe spot-welding equipment |
| CN110193661A (en) * | 2019-06-21 | 2019-09-03 | 青海送变电工程有限公司 | A kind of copper stranded conductor exothermic weld auxiliary device |
-
2016
- 2016-08-30 CN CN201610767364.1A patent/CN107775241A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110125591A (en) * | 2019-05-07 | 2019-08-16 | 宁波新华泰模塑电器有限公司 | A kind of tailpipe spot-welding equipment |
| CN110193661A (en) * | 2019-06-21 | 2019-09-03 | 青海送变电工程有限公司 | A kind of copper stranded conductor exothermic weld auxiliary device |
| CN110193661B (en) * | 2019-06-21 | 2023-05-26 | 青海送变电工程有限公司 | Copper stranded wire exothermic welding auxiliary device |
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Application publication date: 20180309 |