CN113878298A - Manual bellows fixed-position welding anchor clamps - Google Patents
Manual bellows fixed-position welding anchor clamps Download PDFInfo
- Publication number
- CN113878298A CN113878298A CN202111314895.2A CN202111314895A CN113878298A CN 113878298 A CN113878298 A CN 113878298A CN 202111314895 A CN202111314895 A CN 202111314895A CN 113878298 A CN113878298 A CN 113878298A
- Authority
- CN
- China
- Prior art keywords
- corrugated pipe
- plate
- positioning
- sleeve
- pressing plate
- 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
- 238000003466 welding Methods 0.000 title claims abstract description 44
- 238000003825 pressing Methods 0.000 claims abstract description 49
- 210000001503 joint Anatomy 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 3
- 238000010923 batch production Methods 0.000 abstract description 6
- 230000000712 assembly Effects 0.000 description 3
- 238000000429 assembly Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000005069 ears Anatomy 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Images
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 for a procedure covered by only one of the other main groups of this subclass
- B23K37/04—Auxiliary devices or processes, not specially adapted for a procedure covered by only one of the other main groups of this subclass for holding or positioning work
- B23K37/053—Auxiliary devices or processes, not specially adapted for a procedure covered by only one of the other main groups of this subclass for holding or positioning work aligning cylindrical work; Clamping devices therefor
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
A manual corrugated pipe positioning welding clamp provided by the embodiment comprises a bottom plate, a pressing plate, a fixing plate, a guide pillar, a lifting rod, a rack, a gear and a handle; the bottom plate, the pressing plate and the fixing plate are sequentially arranged from bottom to top, the upper end and the lower end of each guide pillar are respectively connected with the left end and the right end of the fixing plate and the bottom plate, the guide sleeves are slidably sleeved on the guide pillars, and the end parts of the pressing plates are sleeved outside the guide sleeves and abut against the convex bosses at the bottoms of the guide sleeves; the lifting rod is connected with the middle part of the fixed plate in a sliding way, and the lower end of the lifting rod is connected with the pressing plate; the rack sets up in the upper end of lifter, and the gear passes through the wheel seat to be installed on the fixed plate and with rack toothing, and the handle is connected with gear drive can guarantee that bellows subassembly upper and lower flange has higher axiality and more accurate angular relation, can realize the location of bellows subassembly height fast, and adopts occupation space little, easy operation, convenient to use can adapt to bellows subassembly fixed-position welding's the little batch production of stick.
Description
Technical Field
The invention belongs to the technical field of positioning welding devices, and particularly relates to a manual positioning welding clamp for corrugated pipes.
Background
In the aerospace field, various types of pipe fittings are required, including corrugated pipes with flanges welded at both ends. The corrugated pipe assembly needs to ensure the coaxiality of an upper flange and a lower flange and the total height during positioning welding, and a connecting through hole is formed in the upper flange and the lower flange, so that the relative angle relation of the connecting through hole of the upper flange and the lower flange needs to be positioned. The method is troublesome in height adjustment, the nut needs to be screwed for multiple times, the coaxiality deviation of the upper flange and the lower flange is large, the angle relation of the connecting holes of the upper flange and the lower flange is guaranteed by manual scribing, and the error is large.
Disclosure of Invention
Based on the above problems, the present invention aims to provide a manual positioning welding fixture for corrugated pipes, which is suitable for small-batch production of single pieces for positioning welding of corrugated pipe assemblies in which the upper and lower flanges of the corrugated pipe have high requirements on coaxiality and overall length, and the upper and lower flanges of the corrugated pipe are provided with connecting through holes.
In order to achieve the above purpose, the invention adopts the technical scheme that: a manual positioning welding clamp for corrugated pipes comprises a bottom plate, a pressing plate, a fixing plate, a guide pillar, a lifting rod, a rack, a gear and a handle;
the bottom plate, the pressing plate and the fixing plate are sequentially arranged from bottom to top, the upper end and the lower end of each guide pillar are respectively connected with the left end and the right end of the fixing plate and the bottom plate, the guide sleeves are slidably sleeved on the guide pillars, and the end parts of the pressing plates are sleeved outside the guide sleeves and abut against the convex bosses at the bottoms of the guide sleeves; the lifting rod is connected with the middle part of the fixed plate in a sliding way, and the lower end of the lifting rod is connected with the pressing plate; the rack is arranged at the upper end of the lifting rod, the gear is arranged on the fixed plate through the wheel seat and meshed with the rack, and the handle is in transmission connection with the gear;
the corrugated pipe assembly to be welded comprises a corrugated pipe, an upper flange and a lower flange, wherein the upper flange and the lower flange are arranged at two ends of the corrugated pipe;
the lower flange is detachably arranged on the bottom plate through the ear cover, a positioning hole matched with the connecting hole in the lower flange is formed in the bottom plate, and a lower step positioning pin is sequentially inserted into the positioning hole and the connecting hole for positioning;
the corrugated pipe is coaxially arranged on the lower flange, and the butt joint of the corrugated pipe and the lower flange is tightly pressed by adopting a hoop;
the upper flange is detachably arranged on the pressing plate through hook bolts, a positioning hole matched with the connecting hole in the upper flange is formed in the pressing plate, and an upper step positioning pin is inserted into the positioning hole and the connecting hole in sequence for positioning;
the handle is rotated to enable the pressing plate to drive the upper flange to be in coaxial butt joint with the corrugated pipe, and the butt joint of the corrugated pipe and the upper flange is tightly pressed by the hoop;
and (3) performing spot welding on the welding seams between the upper flange and the corrugated pipe and between the lower flange and the corrugated pipe by using a welding gun through the elongated hole on the anchor ear, and cooling and then taking down the anchor ear and the welded corrugated pipe assembly.
Specifically, a protruding sleeve is arranged on the fixing plate, a jacking screw is arranged on the wall of the sleeve, the lifting rod is connected with the sleeve in a sliding manner, and the jacking screw is screwed to fix the lifting rod on the sleeve, so that the pressing plate is driven to be positioned; the jacking screw is unscrewed to enable the lifting rod to slide relative to the sleeve, so that the pressing plate is driven to lift.
Specifically, the lifting rod is provided with an O scale, and when the O scale is aligned with the top of the sleeve on the fixing plate, the height of the pressing plate is matched with the height of the corrugated pipe assembly.
Specifically, a coaxial pin hole is formed in the theoretical height position of the corrugated pipe assembly by the pressure plate, the guide sleeve and the guide pillar, a pull-type positioning pin is arranged in the pin hole, a screw sleeve is sleeved outside the pull-type positioning pin, the screw sleeve is in screw connection with the shaft hole on the pressure plate to press the pull-type positioning pin into the pin hole, a radially protruding limiting block is arranged on one section of the pull-type positioning pin, which is positioned between the pressure plate and the guide sleeve, a limiting groove matched with the limiting block is arranged on the guide sleeve, a spring is arranged between the limiting block and the threaded sleeve, a cylindrical pin is also inserted on the pull-type positioning pin, a straight groove matched with the cylindrical pin is arranged at one end of the threaded sleeve far away from the spring, the pull-type positioning pin is pulled out to be separated from a pin hole on the guide pillar, the guide sleeve is separated from the guide pillar, the cylindrical pin leaves the straight groove, the drawing type positioning pin is rotated to enable the cylindrical pin to be abutted to the outer portion of the nut, and the drawing type positioning pin is positioned, and the pressing plate can be lifted at the moment.
The spring presses the spiral drawing type positioning pin into the pin holes of the guide sleeve and the guide pillar so as to position the pressing plate, the lifting rod is prevented from driving the pressing plate to slide downwards, the height of the pressing plate is equivalent to the height of an upper flange at the top of the corrugated pipe assembly to be welded, and welding can be carried out.
Specifically, the threaded end at the upper end of the hook bolt penetrates through the pressure plate and is in threaded connection with a butterfly nut above the pressure plate, and a pressure hook at the lower end is abutted against the edge of the lower end of the upper flange; and loosening the butterfly nut, rotating the pressure hook of the hook bolt to the outer side to separate the upper flange from the pressure plate, rotating the pressure hook of the hook bolt to the inner side, abutting the pressure hook with the lower end edge of the upper flange, and screwing the butterfly nut to connect the upper flange with the pressure plate.
Specifically, the ear cover is detachably connected with the bottom plate through a screw, and the cover body of the ear cover is abutted to the flange boss at the edge of the lower flange; and screwing the screw, pressing the lower flange on the bottom plate by the lug cover, loosening the screw, taking down the lug cover, and separating the lower flange from the bottom plate.
Specifically, the top of the guide pillar is provided with a stud, the fixing plate is installed on the stud, the top of the stud is in threaded connection with a nut, and the nut is rotated to tightly press the fixing plate.
Specifically, the lower end of the guide pillar is provided with a disc, the bottom of the guide pillar is inserted into the bottom plate, the disc is abutted to the top of the bottom plate, and the disc is connected with the bottom plate through a screw.
The invention has the beneficial effects that:
the manual positioning welding fixture for the corrugated pipe can ensure that the upper flange and the lower flange of the corrugated pipe assembly have higher coaxiality and more accurate angle relation, can quickly realize the positioning of the height of the corrugated pipe assembly, adopts a structure that a handle controls the pressure plate to lift through a gear and a rack, occupies small space, is simple to operate and convenient to use, and can adapt to the small-batch production of single pieces for positioning welding of the corrugated pipe assembly; the corrugated pipe assembly positioning welding fixture is particularly suitable for small-batch production of single pieces of corrugated pipe assemblies with corrugated pipe upper and lower flanges having higher requirements on coaxiality and overall length, and connecting through holes are formed in the corrugated pipe upper and lower flanges.
Drawings
FIG. 1 is a schematic view of a bellows assembly;
FIG. 2 is a front cross-sectional view of a manual bellows tack weld fixture;
FIG. 3 is a side cross-sectional view;
FIG. 4 is an enlarged view taken at A in FIG. 2;
FIG. 5 is a schematic view of a base plate;
the device comprises an upper flange 1, a corrugated pipe 2, a lower flange 3, a bottom plate 4, a guide post 5, a pressure plate 6, a fixing plate 7, a guide sleeve 8, a lifting rod 9, a rack 10, a gear 11, a handle 12, an ear cover 13, a hook bolt 14, a hoop 15, a jacking screw 16, a drawing type positioning pin 17, a threaded sleeve 18, a spring 19, a lower step positioning pin 20, an upper step positioning pin 21 and a cylindrical pin 22.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 2 to 5, the present embodiment provides a manual positioning welding fixture for corrugated pipes, which includes a bottom plate 4, a pressure plate 6, a fixing plate 7, a guide post 5, a lifting rod 9, a rack 9, a gear 11, a handle 12, an ear cover 13, a hook bolt 14, and a hoop 15;
the bottom plate 4, the pressing plate 6 and the fixing plate 7 are sequentially arranged from bottom to top, the upper end and the lower end of each of the two guide pillars 5 are respectively connected with the fixing plate 7 and the left end and the right end of the bottom plate 4, a stud is arranged at the top of each guide pillar 5, the fixing plate 7 is installed on the stud, a nut is screwed at the top of the stud, and the pressing plate 6 is pressed by rotating the nut; the lower end of the guide post 5 is provided with a disc, the bottom of the guide post 5 is inserted into the bottom plate 4, the disc is abutted against the top of the bottom plate 4, and the disc is connected with the bottom plate 4 through a screw; the guide post 5 is sleeved with a guide sleeve 8 in a sliding manner, and the end part of the pressing plate 6 is sleeved outside the guide sleeve and is abutted against a convex boss at the bottom of the guide sleeve 8;
a protruded sleeve is arranged on the fixed plate 7, a jacking screw 16 is arranged on the wall of the sleeve, the upper end of the lifting rod 9 is connected with the sleeve in a sliding way, and the lower end of the lifting rod is connected with the pressing plate 6; the lower parts of the two ends of the pressure plate 6 are respectively abutted with the guide sleeves 8 on the two guide pillars 5;
coaxial pin holes are formed in the theoretical height positions of the corrugated pipe assembly through the pressure plate 6, the guide sleeve 8 and the guide pillar 5, a pull-type positioning pin 17 is arranged in each pin hole, a threaded sleeve 18 is sleeved outside the pull-type positioning pin 17, the threaded sleeve 18 is in threaded connection with a shaft hole in the pressure plate 6 to press the pull-type positioning pin 17 into the pin holes, a radially protruding limiting block is arranged on one section, located between the pressure plate 6 and the guide sleeve 8, of the pull-type positioning pin 17, a limiting groove matched with the limiting block is formed in the guide sleeve 8, a spring 19 is arranged between the limiting block and the threaded sleeve 18, a cylindrical pin 22 is further inserted into the pull-type positioning pin 17, and a straight groove matched with the cylindrical pin 22 is formed in one end, away from the spring 19, of the threaded sleeve 18;
the rack 9 is arranged at the upper end of the lifting rod 9, the gear 11 is arranged on the fixed plate 7 through a wheel seat and meshed with the rack 9, and the handle 12 is in transmission connection with the gear 11;
as shown in fig. 1, the corrugated pipe assembly to be welded includes a corrugated pipe, and an upper flange and a lower flange provided at both ends of the corrugated pipe;
the lower flange is detachably arranged on the bottom plate 4 through the ear cover 13, the ear cover 13 is detachably connected with the bottom plate 4 through a screw, and the cover body of the ear cover 13 is abutted with the flange boss at the edge of the lower flange; a positioning hole matched with the connecting hole on the lower flange is formed in the bottom plate 4, and a lower step positioning pin 16 is inserted into the positioning hole and the connecting hole in sequence for positioning;
the corrugated pipe is coaxially arranged on the lower flange, the butt joint of the corrugated pipe and the lower flange is tightly pressed by adopting an anchor ear 15, and the anchor ear 15 is provided with a plurality of rectangular holes for a welding gun to perform spot welding operation;
the upper flange is detachably arranged on the pressing plate 6 through a hook bolt 14, a threaded end at the upper end of the hook bolt 14 penetrates through the pressing plate 6 and is in threaded connection with a butterfly nut above the pressing plate 6, a positioning hole matched with a connecting hole in the upper flange is formed in the pressing plate 6 and is abutted to the edge of the lower end of the lower flange, and an upper step positioning pin 17 is adopted to be sequentially inserted into the positioning hole and the connecting hole for positioning;
the handle 12 is rotated to enable the pressing plate 6 to drive the upper flange to be in coaxial butt joint with the corrugated pipe, the lifting rod 9 is provided with an O scale, and when the O scale is aligned with the top of the sleeve on the fixing plate 7, the height of the pressing plate 6 is matched with that of the corrugated pipe assembly; the anchor ear 15 is adopted to tightly press the joint of the corrugated pipe and the upper flange; the hoop 15 is provided with a plurality of rectangular holes for spot welding operation of a welding gun.
The detailed method for welding the corrugated pipe assembly shown in fig. 1 by using the device is as follows:
before use, the clamp is cleaned, whether parts of the clamp are sleeved completely is checked, and the clamp is used according to the following steps:
step one
Placing the lower flange 3 on the bottom plate 4, rotating the lower flange 3 to enable the flange boss of the lower flange 3 to be positioned below the lug cover 13, aligning the connecting hole on the lower flange 3 with the positioning hole on the bottom plate 4, then inserting the upper step positioning pin 16 and the lower step positioning pin 16, coaxially aligning the corrugated pipe 2 and the lower flange 3 and tightly pressing the corrugated pipe through the hoop 15;
step two
Loosening the jacking screws 16, shaking the handle 12 to enable the pressing plate 6 to rise to the highest position, then screwing the jacking screws 16 to prevent the pressing plate 6 from falling, loosening the butterfly nuts, rotating the hook bolts 14 to the outer side, aligning the positioning holes in the upper flange 1 with the positioning pins 17 on the upper step of the pressing plate 6, pushing the upper flange 1 to be in contact with the pressing plate 6, then respectively rotating the hook bolts 14 to hook the upper flange 1, and rotating the butterfly nuts to enable the upper flange 1 to be attached to the pressing plate 6;
step three
Loosening the jacking screw 16, shaking the handle 12 to enable the pressure plate 6 to slowly descend, and when the upper flange 1 is coaxially contacted with the upper part of the corrugated pipe 2, tightly pressing the upper flange 1 and the corrugated pipe 2 through the hoop to enable the upper flange 1 and the corrugated pipe 2 to keep coaxial;
step four
Performing positioning welding, namely welding two points at bilaterally symmetrical points at the welding seams between the upper flange 1 and the corrugated pipe 2 and between the lower flange 3 and the corrugated pipe 2 by using a welding gun through a long hole on the anchor ear 15, then shaking the handle 12 clockwise or anticlockwise according to the actual length of the corrugated pipe 2 to align the O scale on the lifting rod 9 with the top of the sleeve on the fixed plate 7, then rotating the pull-type positioning pin 17 to insert the pull-type positioning pin 17 into the pin hole on the guide pillar 5 on the left side under the action of the spring 19, then screwing the tightening screw 16 to prevent the lifting rod 9 from sliding downwards, and then performing spot welding on other parts at the welding seams between the upper flange 1 and the corrugated pipe 2 and between the lower flange 3 and the corrugated pipe 2 through the long hole on the anchor ear 15 according to process requirements;
step five
After spot welding is finished and cooling is carried out, the two anchor ears 15 are taken down respectively, the pull-type positioning pin 17 is pulled out, and the pull-type positioning pin is rotated by 90 degrees, so that the cylindrical pin 22 transversely crosses the end part of the screw sleeve 18; loosening the butterfly nut, rotating the hook bolt 14 to the outer side, loosening the jacking screw 16, pressing the corrugated pipe assembly with one hand, shaking the handle 12 with the other hand to separate the corrugated pipe assembly from the pressure plate 6, and tightening the jacking screw 16 after the pressure plate 6 rises to the highest position to prevent the lifting rod 9 from falling; and pulling out the lower step positioning pin 16, rotating the bellows assembly, and after the concave part of the flange of the lower flange 3 is aligned with the ear cover 13, slightly lifting the bellows assembly upwards to take out the bellows assembly.
After the steps are completed, all parts are cleaned, rust prevention protection is carried out, and then the clamp is placed back to the original storage position.
The manual positioning welding fixture for the corrugated pipe can ensure that the upper flange and the lower flange of the corrugated pipe assembly have higher coaxiality and more accurate angle relation, can quickly realize the positioning of the height of the corrugated pipe assembly, occupies small space, is simple to operate and convenient to use, and can adapt to the small-batch production of single pieces for positioning welding of the corrugated pipe assembly; the corrugated pipe assembly positioning welding fixture is particularly suitable for small-batch production of single pieces of corrugated pipe assemblies with corrugated pipe upper and lower flanges having higher requirements on coaxiality and overall length, and connecting through holes are formed in the corrugated pipe upper and lower flanges.
The above examples of the present invention are merely illustrative of the present invention and are not intended to limit the embodiments of the present invention. Variations and modifications in other variations will occur to those skilled in the art upon reading the foregoing description. Not all embodiments are exhaustive. All obvious changes and modifications of the present invention are within the scope of the present invention.
Claims (8)
1. A manual positioning welding clamp for corrugated pipes is characterized by comprising a bottom plate, a pressing plate, a fixing plate, a guide pillar, a lifting rod, a rack, a gear and a handle;
the bottom plate, the pressing plate and the fixing plate are sequentially arranged from bottom to top, the upper end and the lower end of each guide pillar are respectively connected with the left end and the right end of the fixing plate and the bottom plate, the guide sleeves are slidably sleeved on the guide pillars, and the end parts of the pressing plates are sleeved outside the guide sleeves and abut against the convex bosses at the bottoms of the guide sleeves; the lifting rod is connected with the middle part of the fixed plate in a sliding way, and the lower end of the lifting rod is connected with the pressing plate; the rack is arranged at the upper end of the lifting rod, the gear is arranged on the fixed plate through the wheel seat and meshed with the rack, and the handle is in transmission connection with the gear;
the corrugated pipe assembly to be welded comprises a corrugated pipe, an upper flange and a lower flange, wherein the upper flange and the lower flange are arranged at two ends of the corrugated pipe;
the lower flange is detachably arranged on the bottom plate through the ear cover, a positioning hole matched with the connecting hole in the lower flange is formed in the bottom plate, and a lower step positioning pin is sequentially inserted into the positioning hole and the connecting hole for positioning; the corrugated pipe is coaxially arranged on the lower flange, and the butt joint of the corrugated pipe and the lower flange is tightly pressed by adopting a hoop;
the upper flange is detachably arranged on the pressing plate through hook bolts, a positioning hole matched with the connecting hole in the upper flange is formed in the pressing plate, and an upper step positioning pin is inserted into the positioning hole and the connecting hole in sequence for positioning; the handle is rotated to enable the pressing plate to drive the upper flange to be in coaxial butt joint with the corrugated pipe, and the butt joint of the corrugated pipe and the upper flange is tightly pressed by the hoop;
and (3) performing spot welding on the welding seams between the upper flange and the corrugated pipe and between the lower flange and the corrugated pipe by using a welding gun through the elongated hole on the anchor ear, and cooling and then taking down the anchor ear and the welded corrugated pipe assembly.
2. A manual positioning and welding clamp for corrugated pipes as claimed in claim 1, wherein the fixing plate is provided with a projecting sleeve, a jacking screw is mounted on the wall of the sleeve, the lifting rod is slidably connected with the sleeve, and the jacking screw is screwed to fix the lifting rod on the sleeve, so as to drive the pressing plate to be positioned; the jacking screw is unscrewed to enable the lifting rod to slide relative to the sleeve, so that the pressing plate is driven to lift.
3. A manual welding jig for positioning corrugated pipe as claimed in claim 2, wherein the lifting rod is provided with an O-scale, and when the O-scale is aligned with the top of the sleeve on the fixing plate, the height of the pressure plate is adapted to the height of the corrugated pipe assembly.
4. A manual positioning welding clamp for corrugated pipes according to claim 1, wherein coaxial pin holes are formed in the pressing plate, the guide sleeve and the guide pillar at the theoretical height position of the corrugated pipe assembly, a pull-type positioning pin is arranged in each pin hole, a threaded sleeve is arranged on the outer sleeve of the pull-type positioning pin, the threaded sleeve is in threaded connection with the shaft hole in the pressing plate so as to press the pull-type positioning pin into the pin holes, a radially protruding limiting block is arranged at one section, located between the pressing plate and the guide sleeve, of the pull-type positioning pin, a limiting groove matched with the limiting block is formed in the guide sleeve, a spring is arranged between the limiting block and the threaded sleeve, a cylindrical pin is further inserted into the pull-type positioning pin, and a straight groove matched with the cylindrical pin is formed in one end, away from the spring, of the threaded sleeve.
5. A manual corrugated pipe positioning and welding clamp as claimed in claim 1, wherein the upper end of the hook bolt penetrates through the pressure plate and is in threaded connection with a butterfly nut above the pressure plate, and the lower end of the hook bolt abuts against the lower end edge of the upper flange.
6. A manual corrugated pipe positioning and welding clamp as claimed in claim 1, wherein the ear cover is detachably connected with the bottom plate through a screw, and a cover body of the ear cover abuts against a flange boss at the edge of the lower flange.
7. A manual corrugated pipe positioning and welding clamp as claimed in claim 1, wherein a stud is arranged on the top of the guide post, and the fixing plate is mounted on the stud.
8. A manual corrugated pipe tack welding fixture as claimed in claim 1, wherein a disc is provided at a lower end of the guide post, a bottom of the guide post is inserted into the bottom plate, the disc abuts against a top of the bottom plate, and the disc is connected to the bottom plate by a screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111314895.2A CN113878298A (en) | 2021-11-08 | 2021-11-08 | Manual bellows fixed-position welding anchor clamps |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111314895.2A CN113878298A (en) | 2021-11-08 | 2021-11-08 | Manual bellows fixed-position welding anchor clamps |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113878298A true CN113878298A (en) | 2022-01-04 |
Family
ID=79017487
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111314895.2A Pending CN113878298A (en) | 2021-11-08 | 2021-11-08 | Manual bellows fixed-position welding anchor clamps |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113878298A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114850922A (en) * | 2022-06-16 | 2022-08-05 | 鑫磊压缩机股份有限公司 | Processing tool for compressor exhaust seat |
| CN115127793A (en) * | 2022-06-20 | 2022-09-30 | 四川航天长征装备制造有限公司 | A manual armoured corrugated pipe rocking performance testing device |
| CN116618839A (en) * | 2023-07-20 | 2023-08-22 | 合肥三越半导体科技有限公司 | High-precision welding head alignment platform and method for corrugated pipe inner diameter welding |
Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1987005844A1 (en) * | 1986-03-26 | 1987-10-08 | Sundholm Goeran | Apparatus to be used when welding pipes together |
| JP2001074189A (en) * | 1999-09-02 | 2001-03-23 | Babcock Hitachi Kk | Bellows structure |
| US20020121312A1 (en) * | 2001-03-01 | 2002-09-05 | Dmitry Lubomirsky | Lift pin alignment and operation methods and apparatus |
| CN202825053U (en) * | 2012-05-25 | 2013-03-27 | 河南第二火电建设公司 | Welder training checking station frame |
| CN205967913U (en) * | 2016-08-21 | 2017-02-22 | 南方中金环境股份有限公司 | Pipe flange welding position frock |
| CN107971669A (en) * | 2017-11-23 | 2018-05-01 | 马鞍山市飞达波纹管制造有限公司 | A kind of wavy metal tube end welded flange positioner |
| CN207593687U (en) * | 2017-12-17 | 2018-07-10 | 贵阳航空电机有限公司 | Back end cover for motor clamper for disassembling |
| CN207873483U (en) * | 2017-12-28 | 2018-09-18 | 上海中船三井造船柴油机有限公司 | A kind of positioning device for flange and steel pipe branch pipe welding |
| CN109014753A (en) * | 2018-10-31 | 2018-12-18 | 凯龙高科技股份有限公司 | A kind of bellows-welding positioning device |
| CN109604925A (en) * | 2019-02-14 | 2019-04-12 | 青岛黄海学院 | A kind of pipe flange welding positioning tool |
| CN110696417A (en) * | 2019-11-15 | 2020-01-17 | 四川航天长征装备制造有限公司 | Compression clamp |
| CN210818131U (en) * | 2019-11-06 | 2020-06-23 | 河南水利与环境职业学院 | Multi-angle oscillating automatic weld machine for electrical engineering |
| CN212371536U (en) * | 2020-06-18 | 2021-01-19 | 山西四建集团有限公司 | Spacing alignment instrument of steel pipe flange welded |
| CN113084443A (en) * | 2021-05-10 | 2021-07-09 | 中国建筑一局(集团)有限公司 | Height-adjustable pipe section auxiliary welding system and welding method |
-
2021
- 2021-11-08 CN CN202111314895.2A patent/CN113878298A/en active Pending
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1987005844A1 (en) * | 1986-03-26 | 1987-10-08 | Sundholm Goeran | Apparatus to be used when welding pipes together |
| JP2001074189A (en) * | 1999-09-02 | 2001-03-23 | Babcock Hitachi Kk | Bellows structure |
| US20020121312A1 (en) * | 2001-03-01 | 2002-09-05 | Dmitry Lubomirsky | Lift pin alignment and operation methods and apparatus |
| CN202825053U (en) * | 2012-05-25 | 2013-03-27 | 河南第二火电建设公司 | Welder training checking station frame |
| CN205967913U (en) * | 2016-08-21 | 2017-02-22 | 南方中金环境股份有限公司 | Pipe flange welding position frock |
| CN107971669A (en) * | 2017-11-23 | 2018-05-01 | 马鞍山市飞达波纹管制造有限公司 | A kind of wavy metal tube end welded flange positioner |
| CN207593687U (en) * | 2017-12-17 | 2018-07-10 | 贵阳航空电机有限公司 | Back end cover for motor clamper for disassembling |
| CN207873483U (en) * | 2017-12-28 | 2018-09-18 | 上海中船三井造船柴油机有限公司 | A kind of positioning device for flange and steel pipe branch pipe welding |
| CN109014753A (en) * | 2018-10-31 | 2018-12-18 | 凯龙高科技股份有限公司 | A kind of bellows-welding positioning device |
| CN109604925A (en) * | 2019-02-14 | 2019-04-12 | 青岛黄海学院 | A kind of pipe flange welding positioning tool |
| CN210818131U (en) * | 2019-11-06 | 2020-06-23 | 河南水利与环境职业学院 | Multi-angle oscillating automatic weld machine for electrical engineering |
| CN110696417A (en) * | 2019-11-15 | 2020-01-17 | 四川航天长征装备制造有限公司 | Compression clamp |
| CN212371536U (en) * | 2020-06-18 | 2021-01-19 | 山西四建集团有限公司 | Spacing alignment instrument of steel pipe flange welded |
| CN113084443A (en) * | 2021-05-10 | 2021-07-09 | 中国建筑一局(集团)有限公司 | Height-adjustable pipe section auxiliary welding system and welding method |
Non-Patent Citations (1)
| Title |
|---|
| 王东升、常宗瑜, vol. 1, 中国矿业大学出版社, pages: 137 - 138 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114850922A (en) * | 2022-06-16 | 2022-08-05 | 鑫磊压缩机股份有限公司 | Processing tool for compressor exhaust seat |
| CN115127793A (en) * | 2022-06-20 | 2022-09-30 | 四川航天长征装备制造有限公司 | A manual armoured corrugated pipe rocking performance testing device |
| CN116618839A (en) * | 2023-07-20 | 2023-08-22 | 合肥三越半导体科技有限公司 | High-precision welding head alignment platform and method for corrugated pipe inner diameter welding |
| CN116618839B (en) * | 2023-07-20 | 2023-10-17 | 合肥三越半导体科技有限公司 | High-precision welding head alignment platform and method for corrugated pipe inner diameter welding |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN113878298A (en) | Manual bellows fixed-position welding anchor clamps | |
| CN211804562U (en) | Assembling and welding clamp for lower pipe seat of fuel assembly space curved surface structure | |
| CN102699667A (en) | Tool for pressing small copper sleeve of engine connecting rod | |
| CN210756086U (en) | Sheet welding fixture | |
| KR101494127B1 (en) | Nozzle to shell circle-automatic-welding apparatus having attachment and detachment function of location adjuster | |
| CN109605258A (en) | The floating type screw-in clamping and positioning device of one kind and its application method | |
| CN219189162U (en) | High-pressure fluid connecting pipe clamp production tool structure | |
| CN217840317U (en) | Steel member butt joint subassembly is used in steel construction engineering construction | |
| CN218983801U (en) | Pipeline fixing device convenient to upset | |
| CN215999089U (en) | Bearing surface projection welding electrode for asymmetric special-shaped nut | |
| CN212217715U (en) | V-shaped ball valve assembling device | |
| CN216000321U (en) | Assembling tool for quickly assembling ferrule connector assembly | |
| CN222711237U (en) | Pipe fitting welding device of automobile oil tank | |
| CN216882363U (en) | Pipeline flange assembly positioning device | |
| CN205551764U (en) | Head assembly automatic weld's universal fixturing | |
| CN112082756A (en) | Automatic debugging device and method for proportional valve | |
| CN215148579U (en) | Universal dismounting tool for pressure accumulation tank of marine diesel engine | |
| CN217832544U (en) | High-precision welding fixture for thin-wall hoop parts | |
| CN220613774U (en) | Tool for machining piston rod of actuator cylinder body | |
| CN204975835U (en) | Return bend type tail pipe welds frock | |
| CN114345977B (en) | Method for processing radian gas transmission pipe for gas appliance | |
| CN222344677U (en) | Clamp for welding fuel oil main pipe assembly | |
| CN222386257U (en) | Quick alignment tool for process pipeline | |
| CN218964424U (en) | Welding stress deformation compensation mechanism | |
| CN222552741U (en) | Multi-hole position alignment tool for flange |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20220104 |