CN107914104A - A kind of safe to use and convenient metal tube welder - Google Patents
A kind of safe to use and convenient metal tube welder Download PDFInfo
- Publication number
- CN107914104A CN107914104A CN201711460354.4A CN201711460354A CN107914104A CN 107914104 A CN107914104 A CN 107914104A CN 201711460354 A CN201711460354 A CN 201711460354A CN 107914104 A CN107914104 A CN 107914104A
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- metal tube
- sides
- safe
- welder
- 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- Withdrawn
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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
- B23K37/02—Carriages for supporting the welding or cutting element
- B23K37/0211—Carriages for supporting the welding or cutting element travelling on a guide member, e.g. rail, track
- B23K37/0229—Carriages for supporting the welding or cutting element travelling on a guide member, e.g. rail, track the guide member being situated alongside the workpiece
-
- 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
-
- 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
- B23K37/0538—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 for rotating tubes, e.g. rollers
-
- 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
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/04—Tubular or hollow articles
- B23K2101/06—Tubes
Abstract
The present invention relates to metal tube processing unit technical field, more particularly to a kind of safe to use and convenient metal tube welder.It is big, of poor quality and inconvenient to use using danger coefficient the technical problem to be solved in the present invention is welding set.In order to solve the above-mentioned technical problem, the present invention provides a kind of safe to use and convenient metal tube welder, including base, two regulating devices, two risers and welder, the both sides of the base upper surface have been fixedly connected with regulating device, and riser has been fixedly connected with the top of two regulating devices, two opposite sides of the riser are connected by welder.The present invention passes through the improvement to welder, when telescopic cylinder starts, it can stablize electric welding machine to move up and down, so as to improve the total quality of welding, and it is easy to use, and two groups of semicircle clamping plates can step up metal tube, can stablize both and be welded, at this time, staff may be located remotely from electric welding machine.
Description
Technical field
The present invention relates to metal tube processing unit technical field, is specially a kind of safe to use and convenient metal tube welding
Device.
Background technology
Air-conditioning, that is, air regulator.Refer to manually means, to building, the temperature of surrounding air in structures, humidity, clean
The process that the parameter such as cleanliness and speed is adjusted and controls.Low-temperature receiver, heat resource equipment and cold and hot medium distributing system are generally comprised,
The several majors such as end equipment and other ancillary equipments.Mainly include water pump, wind turbine and pipe-line system.End equipment is then responsible for profit
With transmission ＆ distribution come cold and hot amount, it is specific to handle air and temperature, the air parameter of target environment is reached requirement.In hot gas and cold air
Exchange process in, it is necessary to use metal tube.And part metals pipe in maintenance process, it is necessary to use welder to its into
Row welding.
When in use, usually staff holds electric welding machine and welds two metal tubes existing metal tube welder
Together, although work can be completed, due to hypotelorism, metal sparks are easily trickled down with staff, so as to have
Many hazards, hand-held electric welding machine can tremble, and can influence the total quality of welding, and two metal tubes are before welding not
Convenient stabilization is docking together, so as to cause welding inconvenient.
The content of the invention
(1) technical problem solved
In view of the deficiencies of the prior art, the present invention provides a kind of safe to use and convenient metal tube welder, solution
Existing welding set of having determined is using danger coefficient is big, of poor quality and inconvenient problem with use.
(2) technical solution
In order to achieve the above object, the present invention is achieved by the following technical programs：A kind of safe to use and convenient gold
Category pipe welder, including base, two regulating devices, two risers and welder, the both sides of the base upper surface are equal
Be fixedly connected with regulating device, and riser be fixedly connected with the top of two regulating devices, two risers it is opposite one
Side is connected by welder.
Preferably, the regulating device includes fixed block, circular hole, annular groove, two limited blocks, circle set, two sliding slots, two
A slide bar, two sliding blocks, two extruding springs, two L-shaped bars and two semicircle clamping plates, the both sides of the base upper surface are solid
Surely fixed block is connected with, offers circular hole on the fixed block, the inner wall of the circular hole offers annular groove, in the annular groove
Two rotatable limited blocks are socketed with, rotatable circle set, and the side that two limited blocks are opposite are socketed with the circular hole
Respectively with circle set side surface at the top and bottom of be fixedly connected, the opposite side of two fixed blocks and positioned at circular hole up and down
Both sides offer sliding slot, and the top and bottom of the sliding slot inner wall are connected by slide bar, and the sliding slot is interior and is socketed in slide bar
On slidably connect sliding block, be socketed with extruding spring on the slide bar, the both ends of the extruding spring respectively with sliding slot inner wall
Side is fixedly connected with the side of sliding block, and the sliding block side opposite with fixed block is fixedly connected with L-shaped bar, and two L-shaped
The opposite side of bar has been fixedly connected with semicircle clamping plate, the opposite both sides overlap joint of two semicircle clamping plates.
Preferably, the welder include two slides, movable block, support plate, top plate, telescopic cylinder, two stop collars,
Two pistons, two struts and electric welding machine, the top of the fixed block are fixedly connected with the bottom of riser, and two risers are opposite
Side be inlaid with slide, movable block is slidably connected in the slide, and two opposite sides of movable block pass through support plate
Connection, the opposite side of two risers and is connected positioned at the top of slide by top plate, and the bottom of the top plate, which is fixed, to be connected
Telescopic cylinder is connected to, the free end of the telescopic cylinder is fixedly connected with the upper surface of support plate, the bottom of the top plate and is located at
The both sides of telescopic cylinder have been fixedly connected with stop collar, are socketed with piston in the stop collar, at the axle center of the piston base
Be fixedly connected with the top of strut, and the bottom of two struts extend through two stop collars bottom and respectively with support plate upper table
Face is fixedly connected in the middle part of both sides, and the bottom of the support plate is fixedly connected with electric welding machine.
Preferably, the side surface of the circle set is overlapped on the inner wall of circular hole, and the length and the length phase of circular hole of circle set
Deng.
Preferably, the length of the limited block is 9/10ths of annular slot length, and the side that two limited blocks are opposite
The both sides of annular groove inner wall are overlapped on respectively.
Preferably, the fixing end of the telescopic cylinder is located at the middle part of top board undersurface, and the free end of telescopic cylinder is located at
The middle part of support plate upper surface.
Preferably, the corner of the L-shaped bar is fixedly connected with draw ring, and four draw rings with two for one group respectively with two
The midpoint of a circle set is symmetrical arranged for axle center.
(3) beneficial effect
The present invention provides a kind of safe to use and convenient metal tube welder, possesses following beneficial effect：
(1), the safe to use and convenient metal tube welder, by the improvement to welder, works as telescopic cylinder
During startup, it can stablize electric welding machine and move up and down, so as to improve the total quality of welding, and it is easy to use.
(2), safe to use and convenient metal tube welder, by the improvement to regulating device, when two metals
When pipe is respectively interposed in two circle sets, can conveniently both it dock, and two groups of semicircle clamping plates can step up metal tube, from
And can stablize both and be welded, at this time, staff may be located remotely from electric welding machine, so as to improve the safety system of electric welding machine
Number.
Brief description of the drawings
Fig. 1 is the positive sectional view of structure of the present invention；
Fig. 2 is the enlarged drawing of structure at A in Fig. 1 of the present invention.
In figure：1 base, 2 regulating devices, 201 fixed blocks, 202 circular holes, 203 annular grooves, 204 limited blocks, 205 circle set,
206 sliding slots, 207 slide bars, 208 sliding blocks, 209 extruding springs, 210L shapes bar, 211 semicircle clamping plates, 212 draw rings, 3 risers, 4 welding
Device, 41 slides, 42 movable blocks, 43 support plates, 44 top plates, 45 telescopic cylinders, 46 stop collars, 47 pistons, 48 struts, 49 electric welding
Machine.
Embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work
Embodiment, belongs to the scope of protection of the invention.
- 2 are please referred to Fig.1, the present invention provides a kind of technical solution：A kind of safe to use and convenient metal tube welding dress
Put, including the riser 3 of regulating device 2, two of base 1, two and welder 4, the both sides of 1 upper surface of base have been fixedly connected with
Regulating device 2, and the top of two regulating devices 2 has been fixedly connected with riser 3, two opposite sides of riser 3 pass through welding
Device 4 connects.
Regulating device 2 includes fixed block 201, circular hole 202,203, two limited blocks 204 of annular groove, circle 205, two cunnings of set
The slide bar 207, two of groove 206, two sliding block 208, two extrudes 209, two L-shaped bars 210 of spring and two semicircle clamping plates 211,
The both sides of 1 upper surface of base have been fixedly connected with fixed block 201, and circular hole 202, the inner wall of circular hole 202 are offered on fixed block 201
Annular groove 203 is offered, two rotatable limited blocks 204 are socketed with annular groove 203, the length of limited block 204 is annular
9/10ths of 203 length of groove, and the opposite side of two limited blocks 204 is overlapped on the both sides of 203 inner wall of annular groove, circle respectively
Rotatable circle set 205 is socketed with hole 202, the side surface of circle set 205 is overlapped on the inner wall of circular hole 202, and circle set 205
The equal length of length and circular hole 202, and the opposite side of two limited blocks 204 respectively with the tops of 205 side surfaces of circle set and
Bottom is fixedly connected, and the side surface of circle set 205 is overlapped on the inner wall of circular hole 202, and circle set 205 can be made to stablize in circular hole 202
Interior rotation, coordinate two limited blocks 204 use, can further improve circle set 205 and circular hole 202 between stability, two
The opposite side of a fixed block 201 and offer sliding slot 206, the top of 206 inner wall of sliding slot positioned at the both sides up and down of circular hole 202
Connected with bottom by slide bar 207, in sliding slot 206 and be socketed on slide bar 207 and slidably connect sliding block 208, covered on slide bar 207
Extruding spring 209 is connected to, the both ends for extruding spring 209 are fixed and connected with the side of 206 inner wall of sliding slot and the side of sliding block 208 respectively
Connect, the side opposite with fixed block 201 of sliding block 208 is fixedly connected with L-shaped bar 210, and two opposite sides of L-shaped bar 210 are equal
Semicircle clamping plate 211, the opposite both sides overlap joint of two semicircle clamping plates 211 are fixedly connected with, sliding block 208 is actively socketed on slide bar 207
On, it when sliding block 208 slides in sliding slot 206, can be compressed extruding spring 209, and when extruding spring 209 is in
During initial state, two sliding blocks 208 are in minimum distance, i.e., opposite side is overlapped on the one of two 206 inner walls of sliding slot respectively
Side, the corner of L-shaped bar 210 is fixedly connected with draw ring 212, and four draw rings 212 are covered with two circles respectively with two for one group
205 midpoint is symmetrical arranged for axle center, by the improvement to regulating device 2, when two metal tubes are respectively interposed in two circle sets
When in 205, can conveniently both it dock, and two groups of semicircle clamping plates 211 can step up metal tube, so as to make both steady
Surely welded, at this time, staff may be located remotely from electric welding machine 49, so as to improve the safety coefficient of electric welding machine 49.
Welder 4 includes 45, two two slides 41, movable block 42, support plate 43, top plate 44, telescopic cylinder stop collars
46th, two pistons, 47, two struts 48 and electric welding machine 49, the top of fixed block 201 are fixedly connected with the bottom of riser 3, and two
The opposite side of a riser 3 is inlaid with slide 41, movable block 42 is slidably connected in slide 41, and two movable blocks 42 are opposite
Side connected by support plate 43, the opposite side of two risers 3 and connected positioned at the top of slide 41 by top plate 44, top plate
44 bottom is fixedly connected with telescopic cylinder 45, and the free end of telescopic cylinder 45 is fixedly connected with the upper surface of support plate 43, stretches
The fixing end of cylinder 45 is located at the middle part of 44 bottom surface of top plate, and the free end of telescopic cylinder 45 is located in 43 upper surface of support plate
Portion, by the way that the both ends of telescopic cylinder 45 to be separately positioned on to the middle part of 43 opposite side of top plate 44 and support plate, can make flexible gas
Cylinder 45, which is stablized, promotes support plate 43 to move, and the internal structure and operation principle of telescopic cylinder 45 are existing technology, herein not
Carry out disclosure, and telescopic cylinder 45 input terminal connection alternating current, the bottom of top plate 44 and positioned at telescopic cylinder 45 both sides it is equal
Stop collar 46 is fixedly connected with, is socketed with piston 47 in stop collar 46, the top at the axle center of 47 bottom of piston with strut 48 is consolidated
Fixed connection, and the bottom of two struts 48 extend through two stop collars 46 bottom and respectively with 43 upper surface both sides of support plate
Middle part is fixedly connected, and the bottom of support plate 43 is fixedly connected with electric welding machine 49, by the improvement to welder 4, works as telescopic cylinder
During 45 startup, it can stablize electric welding machine 49 and move up and down, so as to improve the total quality of welding, and user
Just.
Operation principle：When welding two metal tubes, it is necessary to which two metal tubes are fixed, since regulating device 2 is included admittedly
Determine block 201, circular hole 202,203, two limited blocks 204 of annular groove, circle 205, two slide bars 207, two of sliding slot 206, two of set
Two fingers, are inserted into by 208, two extruding 209, two L-shaped bars 210 of spring of sliding block and two semicircle clamping plates 211 respectively first
In draw ring, then expand outwardly, can make to slide on the slide bar 207 of the grafting in sliding slot 206 of sliding block 208, so as to pass through L
Shape bar 210 drives two groups of semicircle clamping plates 211 to overlap to separate, and then two metal tubes are respectively interposed at two respectively
Circle set 205 in, and adjust two metal tubes between position, it is necessary to which the junction of two metal tubes is moved to electric welding machine 49
Underface, in welding, it is noted that since the distance between two fixed blocks 201 are inconvenient to adjust, for this reason, shorter gold
Belong to pipe to be not suitable for being welded on the apparatus, which is only applicable to two longer metal tubes and is welded, and rotates circle set
When 205, limited block 204 can be made to be rotated in annular groove 203, so as to rotate metal tube, at this time, two can be adjusted
The precision connected between metal tube, after the position adjustment between two metal tubes, unclamps draw ring, in extruding spring
Under the action of 209 screen resiliences, sliding block 208 can be made to drive 211 return of semicircle clamping plate by L-shaped bar 210, so as to make semicircle
Clamping plate 211 stablizes clamping metal tube.
In welding, since welder 4 includes two slides 41, movable block 42, support plate 43, top plate 44, telescopic cylinder
45th, two 47, two, piston struts 48 of stop collar 46, two and electric welding machine 49, the welding rod on electric welding machine 49 can be pre-installed in
On fastener, telescopic cylinder 45 is then started according to physical length, the free end of telescopic cylinder 45 can be made to promote support plate 43 downward
It is mobile, and support plate 43 can promote two movable blocks 42 to be slided respectively in two slides 41, and also support plate 43 can pass through strut
48 band pistons 47 are slided in stop collar 46, at this time, can stablize the stabilization for improving the electric welding machine 49 that 43 bottom of support plate is set
Property, when welding rod touches metal tube, stop telescopic cylinder 45, start electric welding machine 49, after a position welding finishes, lead to
Cross draw ring two groups of semicircle clamping plates 211 are installed into above-mentioned principle and separate, then rotate circle set 205, adjust the next of two metal tubes
A welding position, can finally complete to weld, it is necessary to which two staff distinguish two two groups of semicircle clamping plates after welding is completed
211 separate, and then pull the either end of metal tube, are drawn off.
It should be noted that herein, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any this actual relation or order.Moreover, term " comprising ", "comprising" or its any other variant are intended to
Non-exclusive inclusion, so that process, method, article or equipment including a series of elements not only will including those
Element, but also including other elements that are not explicitly listed, or further include as this process, method, article or equipment
Intrinsic key element.In the absence of more restrictions.By sentence " including one ... the key element limited, it is not excluded that
Also there are other identical element in the process, method, article or apparatus that includes the element ".
Claims (7)
- A kind of 1. safe to use and convenient metal tube welder, it is characterised in that：Including base (1), two regulating devices (2), two risers (3) and welder (4), the both sides of base (1) upper surface have been fixedly connected with regulating device (2), And riser (3) has been fixedly connected with the top of two regulating devices (2), two opposite sides of the riser (3) pass through welding Device (4) connects.
- 2. one kind according to claim 1 is safe to use and convenient metal tube welder, it is characterised in that：The tune Regulating device (2) include fixed block (201), circular hole (202), annular groove (203), two limited blocks (204), circle set (205), two Sliding slot (206), two slide bars (207), two sliding blocks (208), two extruding springs (209), two L-shaped bars (210) and two Semicircle clamping plate (211), the both sides of base (1) upper surface have been fixedly connected with fixed block (201), the fixed block (201) On offer circular hole (202), the inner wall of the circular hole (202) offers annular groove (203), socket in the annular groove (203) There are two rotatable limited blocks (204), rotatable circle set (205), and two limited blocks are socketed with the circular hole (202) (204) opposite side is fixedly connected with the top and bottom of circle set (205) side surface respectively, two fixed blocks (201) Opposite side and offer sliding slot (206), the top of sliding slot (206) inner wall positioned at the both sides up and down of circular hole (202) Connected with bottom by slide bar (207), in the sliding slot (206) and be socketed on slide bar (207) and slidably connect sliding block (208), be socketed with the slide bar (207) extruding spring (209), it is described extruding spring (209) both ends respectively with sliding slot (206) side of inner wall is fixedly connected with the side of sliding block (208), the sliding block (208) side opposite with fixed block (201) It is fixedly connected with L-shaped bar (210), and two opposite sides of L-shaped bar (210) have been fixedly connected with semicircle clamping plate (211), two The opposite both sides overlap joint of the semicircle clamping plate (211).
- 3. one kind according to claim 2 is safe to use and convenient metal tube welder, it is characterised in that：The weldering Connection device (4) include two slides (41), movable block (42), support plate (43), top plate (44), telescopic cylinder (45), two it is spacing Cover (46), two pistons (47), two struts (48) and electric welding machine (49), top and the riser (3) of the fixed block (201) Bottom is fixedly connected, and two opposite sides of riser (3) are inlaid with slide (41), are slidably connected in the slide (41) There is a movable block (42), and the opposite side of two movable blocks (42) is connected by support plate (43), two risers (3) are opposite Side and positioned at slide (41) top by top plate (44) connect, the bottom of the top plate (44) is fixedly connected with telescopic cylinder (45), the free end of the telescopic cylinder (45) is fixedly connected with the upper surface of support plate (43), the bottom of the top plate (44) and Stop collar (46) has been fixedly connected with positioned at the both sides of telescopic cylinder (45), piston (47) is socketed with the stop collar (46), It is fixedly connected at the axle center of piston (47) bottom with the top of strut (48), and the bottom of two struts (48) extends through The bottom of two stop collars (46) is simultaneously fixedly connected, the bottom of the support plate (43) with the middle part of support plate (43) upper surface both sides respectively Portion is fixedly connected with electric welding machine (49).
- 4. one kind according to claim 3 is safe to use and convenient metal tube welder, it is characterised in that：The circle The side surface of set (205) is overlapped on the inner wall of circular hole (202), and the length and the length phase of circular hole (202) of circle set (205) Deng.
- 5. one kind according to claim 4 is safe to use and convenient metal tube welder, it is characterised in that：The limit The length of position block (204) is 9/10ths of annular groove (203) length, and two opposite sides of limited block (204) are taken respectively It is connected on the both sides of annular groove (203) inner wall.
- 6. one kind according to claim 5 is safe to use and convenient metal tube welder, it is characterised in that：It is described to stretch The fixing end of contracting cylinder (45) is located at the middle part of top plate (44) bottom surface, and the free end of telescopic cylinder (45) is located on support plate (43) The middle part on surface.
- 7. one kind according to claim 6 is safe to use and convenient metal tube welder, it is characterised in that：The L The corner of shape bar (210) is fixedly connected with draw ring (212), and four draw rings (212) with two for one group respectively with two circles The midpoint of set (205) is symmetrical arranged for axle center.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711460354.4A CN107914104A (en) | 2017-12-28 | 2017-12-28 | A kind of safe to use and convenient metal tube welder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711460354.4A CN107914104A (en) | 2017-12-28 | 2017-12-28 | A kind of safe to use and convenient metal tube welder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107914104A true CN107914104A (en) | 2018-04-17 |
Family
ID=61894334
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711460354.4A Withdrawn CN107914104A (en) | 2017-12-28 | 2017-12-28 | A kind of safe to use and convenient metal tube welder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107914104A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108994499A (en) * | 2018-09-30 | 2018-12-14 | 重庆市上泽机电有限公司 | Welder for incinerator manufacture |
| CN111536310A (en) * | 2020-05-15 | 2020-08-14 | 章耀尹 | Direct-buried polyurethane thermal insulation pipe installation and construction process |
-
2017
- 2017-12-28 CN CN201711460354.4A patent/CN107914104A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108994499A (en) * | 2018-09-30 | 2018-12-14 | 重庆市上泽机电有限公司 | Welder for incinerator manufacture |
| CN111536310A (en) * | 2020-05-15 | 2020-08-14 | 章耀尹 | Direct-buried polyurethane thermal insulation pipe installation and construction process |
| CN111536310B (en) * | 2020-05-15 | 2021-02-19 | 湖北省建工工业设备安装有限公司 | Direct-buried polyurethane thermal insulation pipe installation and construction process |
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| PB01 | Publication | ||
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180417 |