CN110561007A - Clamping device for welding gas tank - Google Patents
Clamping device for welding gas tank Download PDFInfo
- Publication number
- CN110561007A CN110561007A CN201910907726.6A CN201910907726A CN110561007A CN 110561007 A CN110561007 A CN 110561007A CN 201910907726 A CN201910907726 A CN 201910907726A CN 110561007 A CN110561007 A CN 110561007A
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- Prior art keywords
- rod
- screw
- clamping device
- bearing
- hinged
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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
- B23K37/04—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
-
- 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
- B23K2101/12—Vessels
- B23K2101/125—Cans
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Arc Welding In General (AREA)
Abstract
The invention relates to a clamping device for welding a gas tank, which comprises an independent clamping device and a butt joint clamping device; the independent clamping device comprises a first screw rod provided with two threads with opposite rotation directions; the threaded pipe is a first threaded pipe and a second threaded pipe which are respectively in threaded connection with the first screw; the bearing rod comprises a first bearing rod and a second bearing rod which are respectively hinged on the side end faces of the first threaded pipe and the second threaded pipe; the supporting rods are hinged on the two bearing rods; the butt joint clamping device comprises a second screw rod provided with two threads with opposite rotation directions; the connecting pipe comprises a first connecting pipe and a second connecting pipe which are respectively in threaded connection with the second screw; the bearing rod comprises a first bearing rod and a second bearing rod, and the first bearing rod and the second bearing rod are respectively hinged to the side end faces of the first connecting pipe and the second connecting pipe; the clamping rods are hinged to the two bearing rods, and the clamping device enables workers to weld the gas tank more simply and conveniently.
Description
Technical Field
The invention relates to the field of production and processing of gas tanks, in particular to a clamping device for welding a gas tank.
Background
the gas tank (liquefied gas steel cylinder) is a steel cylinder for storing gas, the wall thickness of the steel cylinder is about 2.5 mm, the internal pressure is 0.5 ~ 1.2 megapascals, the safe service life is 15 years, and the steel cylinder needs to be checked regularly every four years.
At present, at the in-process of gas tank production preparation, carry out seamless welding with two semi-gas tanks of upper end and lower extreme of gas tank earlier usually, make the gas tank possess fine integrality back, then weld respectively the upper end and the lower extreme of gas tank, the welding of base is carried out at the lower extreme of gas tank, the welding of protection casing is carried out in the upper end of gas tank, the protection casing mainly used prevents that the air outlet valve from receiving the collision damage, thereby avoid bringing certain bodily injury for personnel, and the protection casing still can be used to personnel's transport gas tank, can kill two birds with one stone. However, when the gas tank main body is welded firstly and then the auxiliary framework is welded, the upper end and the lower end of the gas tank main body are spherical, so that the base and the protective cover are not easy to weld, the base and the protective cover are easy to weld askew, the axial line of the base and the axial direction of the gas tank limb main body are not coincident, and unnecessary troubles are easily brought to a householder when the gas tank is used. In order to solve the above problems, a clamping device for welding a gas cylinder is provided.
Disclosure of Invention
the invention aims to provide a clamping device for welding a gas tank, which is simple, convenient and easy to operate for a worker to weld the gas tank by firstly welding two semi-gas tanks and then integrally welding the two semi-gas tanks.
The technical purpose of the invention is realized by the following technical scheme:
A clamping device for welding a gas tank comprises an independent clamping device and a butt joint clamping device; the independent clamping device comprises a first screw rod, two threads with opposite rotation directions are formed on the first screw rod, and the first threads are vertically arranged; the threaded pipe comprises a first threaded pipe and a second threaded pipe, and the two threaded pipes are respectively in threaded connection with two threads of the first screw; the bearing rod comprises a first bearing rod and a second bearing rod, the first bearing rod is hinged on the side end face of the first threaded pipe, and the second bearing rod is hinged on the side end face of the second threaded pipe; the first bearing rod and the second bearing rod which are adjacent up and down are hinged on the supporting rod, and the semi-gas tank is sleeved on the supporting rod; the butt joint clamping device comprises two second screw rods, the two second screw rods are horizontally arranged oppositely, and two threads with opposite rotation directions are arranged on the second screw rods; the connecting pipe comprises a first connecting pipe and a second connecting pipe, and the two connecting pipes are respectively in threaded connection with two threads of the second screw; the bearing rod comprises a first bearing rod and a second bearing rod, the first bearing rod is hinged to the side end face of the first connecting pipe, and the second bearing rod is hinged to the side end face of the second connecting pipe; and the first bearing rod and the second bearing rod which are adjacent on the second screw rod are hinged on the clamping rod, the first bearing rod and the second bearing rod are separately hinged on the clamping rod, and the semi-gas tank is clamped by the clamping rod.
Through adopting above-mentioned technical scheme, the weldment work of carrying out the semi-gas jar on independent clamping device earlier, hold the semi-gas jar with the bracing piece support, then the welding of welding protection casing or base on it, then with two semi-gas jar centre gripping of upper portion and lower part on butt joint clamping device, two semi-gas jars are held respectively to the supporting rod on the different second screw rods, then carry out butt joint weldment work with two semi-gas jars, such welding operation and process make the gas jar more easily by the welding, the yield of welded gas jar is higher, two semi-gas jars, the axiality of protection casing and base is also higher, thereby the result of use of the gas jar that the welding was accomplished also can be better.
The invention is further configured to: the support that supports first screw rod is provided with the below of first screw rod, and first screw rod rotates to be connected on the support, be provided with on the first support and drive first screw rod and carry out pivoted drive assembly.
through adopting above-mentioned technical scheme, set up drive assembly through the lower extreme at first screw rod for the staff need not to carry out the expansion of bracing piece at the rotation bracing piece, but fixes the bracing piece and rotates through the first screw rod of drive assembly drive, makes the easier expansion of bracing piece, has reduced staff's intensity of labour.
The invention is further configured to: the driving assembly comprises a worm wheel fixed at the lower end of the first screw rod, a worm is meshed on the worm wheel, a rotating handle is fixed on the worm, a shell is arranged at the outer ends of the worm wheel and the worm, and two ends of the worm are rotatably connected to the shell.
through adopting above-mentioned technical scheme, drive assembly is through the combination that uses the worm gear for the staff rotates first screw rod easily through the worm gear, thereby lets the bracing piece expand and open, and then supports to press from both sides and tightly hold the semi-gas tank, is favorable to the weldment work of semi-gas tank.
The invention is further configured to: the first bearing rod and the second bearing rod are hinged on the supporting rod together.
Through adopting above-mentioned technical scheme, first accepting the pole and the second accepts the pole articulates on the bracing piece one position to single bracing piece can carry out the pivoted of certain angle, when overlapping the semigas jar on a plurality of bracing pieces, through the stability of adjusting the adjustable semigas jar of single bracing piece, with the bracing piece adjust to the most suitable welded angle on, then carry out weldment work again, the welding goes out semigas jar and the axiality of protection casing or base is higher.
The invention is further configured to: and a first rubber pad is fixed on the end face of the support rod far away from the first screw rod.
Through adopting above-mentioned technical scheme, through setting up first rubber pad for the frictional force increase between bracing piece and the semi-gas jar, thereby the bracing piece fixes the semi-gas jar more easily.
The invention is further configured to: the clamping rod is provided with a detachable plug board, and the plug board is connected with the clamping rod through a bolt.
Through adopting above-mentioned technical scheme, through setting up the picture peg for the supporting rod fixes the semi-gas jar more easily through fixing protection casing or base, has set up the picture peg moreover and can also prevent that the semi-gas jar from rotating on the grip block, more is favorable to the weldment work between two semi-gas jars.
The invention is further configured to: one side of the second screw rod, which is far away from the semi-gas tank, is provided with an electric cylinder, the second screw rod is fixed on a piston rod of the electric cylinder, and a support table is fixed at the lower end of the electric cylinder.
Through adopting above-mentioned technical scheme, through setting up electronic jar to electronic jar can stretch out the second screw rod, has reduced staff's intensity of labour.
The invention is further configured to: and a second rubber pad is fixed on the inner surface of the clamping rod.
Through adopting above-mentioned technical scheme, through setting up the second rubber pad, increased the frictional force between supporting rod and the semi-gas jar to semi-gas jar stability on butt joint clamping device has been increased.
in conclusion, the invention has the following beneficial effects:
1. Carry out the weldment work of single half gas jar earlier, then carry out the weldment work between two half gas jars, this kind of welding process will be than welding two half gas jars earlier, and the gas jar that the welding process that carries out protection casing and base again welded out, the axiality between protection casing and the base is high to the result of use of the gas jar that this kind of welding process welded out is better.
2. The bracing piece of independent clamping device is through strutting the centre gripping semigas jar, and stability is high, the weldment work of the single semigas jar of being convenient for, and butt joint clamping device's supporting rod in addition the picture peg can be very stable fix semigas jar to the weldment work of the staff of being convenient for between to two semigas jars.
Drawings
FIG. 1 is a view showing a state of use of an independent clamping device;
FIG. 2 is a main structural view of the independent holding means;
FIG. 3 is a view of the use of the docking fixture;
fig. 4 is a partial structural schematic view of the butt clamp apparatus.
In the figure, 1, an independent clamping device; 11. a first screw; 12. a support; 13. a threaded pipe; 131. a first threaded pipe; 132. a second threaded pipe; 14. a bearing rod; 141. a first bolster; 142. a second bolster; 15. a support bar; 16. a first rubber pad; 17. a drive assembly; 171. a worm gear; 172. a worm; 173. a housing; 174. rotating the handle; 175. a support block; 2. a butt joint clamping device; 21. a second screw; 22. a connecting pipe; 221. a first connecting pipe; 222. a second connecting pipe; 23. a load-bearing bar; 231. a first bearing bar; 232. a second bearing bar; 24. a clamping rod; 241. an arc-shaped edge; 25. a second rubber pad; 26. inserting plates; 27. a bolt; 28. an electric cylinder; 29. a support table; 3. a semi-gas tank; 31. a protective cover; 32. a base.
Detailed Description
The present invention will be described in further detail with reference to the following drawings and examples.
A clamping device for welding a gas cylinder, as shown in fig. 1 and 3, comprises an independent clamping device 1 and a butt clamping device; the independent clamping device 1 is used for welding the single semi-gas tank 3 and the protective cover 31 or welding the semi-gas tank 3 and the base 32, and the butt clamping device is an auxiliary clamping device for butt welding the two semi-gas tanks 3 with the base 32 and the protective cover 31 welded.
referring to fig. 1 and 2, the independent clamping device 1 includes a first screw 11, the first screw 11 is vertically disposed, a support 12 supporting the first screw 11 is disposed below the first screw 11, the support 12 is cylindrical, and the first screw 11 is rotatably connected to the support 12. Two threads with opposite rotation directions are formed on the first screw rod 11, and the two threads are respectively formed on the upper portion and the lower portion of the first screw rod 11. The first screw 11 is provided with a threaded pipe 13, the threaded pipe 13 is divided into a first threaded pipe 131 and a second threaded pipe 132, the first threaded pipe 131 and the second threaded pipe 132 are respectively in threaded connection with two threads on the first screw 11, and the second threaded pipe 132 is arranged below the first threaded pipe 131. The threaded pipe 13 is provided with the receiving rods 14, the receiving rods 14 are divided into first receiving rods 141 and second receiving rods 142, three first receiving rods 141 are uniformly arranged along the circumferential direction of the first threaded pipe 131, and the first receiving rods 141 are hinged on the first threaded pipe 131; three second receiving rods 142 are uniformly arranged along the circumferential direction of the second threaded pipe 132, and the second receiving rods 142 are hinged on the second threaded pipe 132; the hinge direction of the first socket rod 141 and the first threaded pipe 131 is arranged along the axial direction of the first screw 11. The end of the first bearing rod 141 away from the first screw 11 is hinged to the support rod 15, the second bearing rod 142 is also hinged to the support rod 15, and the hinged position of the first bearing rod 141 and the support rod 15 and the hinged position of the second bearing rod 142 and the support rod 15 are the same. The end face, far away from the first screw 11, of the support rod 15 is fixedly connected with a first rubber pad 16, and the first rubber pad 16 can be used for supporting the semi-gas tank 3 by the support rod 15. The first bearing rod 141, the second bearing rod 142 and the support rod 15 are hinged together, the support rod 15 can rotate on the first bearing rod 141 and the second bearing rod 142, and the support of the semi-gas tank 3 can be better adjusted according to actual conditions by adjusting the support rod 15 through the three support rods 15.
Referring to fig. 1 and 2, a driving assembly 17 for driving the first screw 11 to rotate is disposed between the first screw 11 and the support 12. The driving assembly 17 includes a worm wheel 171 fixed on the circumference of the lower end of the first screw 11 by key connection, a worm 172 engaged with the worm wheel 171, a friction angle of the worm 172 smaller than a helix angle of the worm wheel 171, a housing 173 protecting the worm wheel 171 and the worm 172 provided at the outer ends of the worm wheel 171 and the worm 172, and both ends of the worm 172 rotatably connected to the housing 173. A rotation handle 174 is fixedly connected to one end of the worm 172, a support block 175 for supporting the rotation handle 174 is fixedly disposed on the support 12, and the rotation handle 174 is rotatably connected to the support block 175.
Referring to fig. 3 and 4, the butt joint clamping device includes two second screws 21 horizontally and horizontally disposed, the two second screws 21 are disposed oppositely and coaxially, each second screw 21 is provided with two threads with opposite rotation directions, and the two threads are distributed at two ends of the second screw 21. Each second screw 21 is connected with a connecting pipe 22 in a threaded manner, the connecting pipe 22 is divided into a first connecting pipe 221 and a second connecting pipe 222, and the first connecting pipe 221 and the second connecting pipe 222 are respectively connected with two threads on the same second screw 21 in a threaded manner. The connecting pipe 22 is provided with a bearing rod 23, the bearing rod 23 is divided into a first bearing rod 231 and a second bearing rod 232, the first bearing rod 231 is hinged on the first connecting pipe 221, four first bearing rods 231 are uniformly arranged along the circumferential direction of the outer circumference of the first connecting pipe 221, and the first bearing rods 231 are hinged along the axial direction of the first connecting pipe 221; the second bearing rods 232 are hinged to the second connection pipe 222, four second bearing rods 232 are uniformly arranged along the circumferential direction of the outer circumference of the first connection pipe 221, and the second bearing rods 232 are hinged along the axial direction of the second connection pipe 222. The first bearing rod 231 and the second bearing rod 232 are arranged equivalently, one end, far away from the second screw rod 21, of the first bearing rod 231 is hinged to the clamping rod 24, the second bearing rod 232 is hinged to the clamping rod 24, the hinged position of the first bearing rod 231 and the clamping rod 24 and the hinged position of the second bearing rod 232 and the clamping rod 24 are not located, and the clamping rod 24 is arranged in the horizontal direction. The end surface of the clamping rod 24 close to the second screw 21 is provided with an arc edge 241 which is the same as the outer end of the semi-gas tank 3, so that the semi-gas tank 3 can be clamped. And a second rubber pad 25 is fixedly arranged on the end surface of the clamping rod 24 close to the second screw 21, and the second rubber pad 25 can increase the friction force between the clamping rod 24 and the semi-gas tank 3. An inserting plate 26 which can be used for fixing the semi-gas tank 3 is arranged on the clamping rod 24, the inserting plate 26 is perpendicular to the clamping rod 24, the inserting plate 26 is detachably connected and fixed on the clamping rod through a bolt 27, and the inserting plate 26 is inserted into an inserting hole of the protective cover 31 or an inserting hole of the base 32. An electric cylinder 28 is arranged at one end of the second screw rod 21 far away from the semi-gas tank 3, the electric cylinder 28 is horizontally arranged, the second screw rod 21 is fixed on a piston rod of the electric cylinder 28, and a support platform 29 for fixedly supporting the electric cylinder 28 is arranged at the lower end of the electric cylinder 28.
The working principle of the invention is as follows: firstly, welding two semi-gas tanks 3 of an upper half part and a lower half part on an independent clamping device 1 respectively, holding the support rods 15 by hands, shaking the rotating handle 174 to rotate, separating the three support rods 15, fixing the semi-gas tanks 3 on the three support rods 15, and then welding the protective cover 31 or the base 32 on the semi-gas tanks 3; after the welding is accomplished, fix the semi-gas jar 3 of first half and the semi-gas jar 3 of lower half respectively on butt joint adds holding device 2, hold up second screw rod 21 with the hand, rotate supporting rod 24, place semi-gas jar 3 in four supporting rod 24, then use picture peg 26 to fix semi-gas jar 3 again, let two electronic jars 28 stretch out at last, make two semi-gas jars 3 butt joints together then weld.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.
Claims (8)
1. The utility model provides a clamping device for welding gas cylinder which characterized in that: comprises an independent clamping device (1) and a butt joint clamping device; the independent clamping device (1) comprises
The first screw (11) is provided with two threads with opposite rotation directions on the circumferential surface, and the first screw (11) is vertically arranged;
A threaded pipe (13) comprising a first threaded pipe (131) and a second threaded pipe (132), the two threaded pipes (131, 132) being respectively screwed on two threads of the first screw (11);
A receiving rod (14) comprising a first receiving rod (141) and a second receiving rod (142), wherein the first receiving rod (141) is hinged on the side end surface of the first threaded pipe (131), and the second receiving rod (142) is hinged on the side end surface of the second threaded pipe (132); and
The upper part and the lower part of the first bearing rod (141) and the second bearing rod (142) which are adjacent are hinged on the supporting rod (15), and the semi-gas tank (3) is sleeved on the supporting rod (15);
the butt joint clamping device comprises
The two second screw rods (21) are arranged, the two second screw rods (21) are horizontally arranged oppositely, and the two second screw rods (21) are provided with two threads with opposite rotation directions;
A connecting pipe (22) which comprises a first connecting pipe (221) and a second connecting pipe (222), wherein the two connecting pipes (221, 22 and 2) are respectively in threaded connection with two threads of the second screw (21);
A bearing rod (23) comprising a first bearing rod (231) and a second bearing rod (232), wherein the first bearing rod (231) is hinged on the side end surface of the first connecting pipe (221), and the second bearing rod (232) is hinged on the side end surface of the second connecting pipe (222); and
The clamping rod (24), first bearing bar (231) and second bearing bar (232) that are adjacent on second screw rod (21) all articulate on clamping rod (24), and first bearing bar (231) and second bearing bar (232) divide to articulate on clamping rod (24), and semi-gas jar (3) are cliied in clamping rod (24).
2. The clamping device for welding gas cylinders according to claim 1, wherein: a support (12) for supporting the first screw (11) is arranged below the first screw (11), the first screw (11) is rotatably connected to the support (12), and a driving assembly (17) capable of driving the first screw (11) to rotate is arranged on the first support (12).
3. The clamping device for welding gas cylinders according to claim 2, characterized in that: the driving assembly (17) comprises a worm wheel (171) fixed to the lower end of the first screw rod (11), a worm (172) is meshed on the worm wheel (171), a rotating handle (174) is fixed on the worm (172), a shell (173) is arranged at the outer ends of the worm wheel (171) and the worm (172), and the two ends of the worm (172) are rotatably connected to the shell (173).
4. the clamping device for welding gas cylinders according to claim 1, wherein: the first bearing rod (141) and the second bearing rod (142) are jointly hinged on the support rod (15).
5. The clamping device for welding gas cylinders according to claim 1, wherein: and a first rubber pad (16) is fixed on the end face, far away from the first screw (11), of the support rod (15).
6. the clamping device for welding gas cylinders according to claim 1, wherein: the clamping rod (24) is provided with a detachable insertion plate (26), and the insertion plate (26) is connected with the clamping rod (24) through a bolt (27).
7. The clamping device for welding gas cylinders according to claim 1, wherein: an electric cylinder (28) is arranged on one side, away from the semi-gas tank (3), of the second screw rod (21), the second screw rod (21) is fixed to a piston rod of the electric cylinder (28), and a support table (29) is fixed to the lower end of the electric cylinder (28).
8. The clamping device for welding gas cylinders according to claim 1, wherein: and a second rubber pad (25) is fixed on the inner surface of the clamping rod (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910907726.6A CN110561007A (en) | 2019-09-24 | 2019-09-24 | Clamping device for welding gas tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910907726.6A CN110561007A (en) | 2019-09-24 | 2019-09-24 | Clamping device for welding gas tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110561007A true CN110561007A (en) | 2019-12-13 |
Family
ID=68782079
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910907726.6A Pending CN110561007A (en) | 2019-09-24 | 2019-09-24 | Clamping device for welding gas tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110561007A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114434083A (en) * | 2022-03-04 | 2022-05-06 | 安徽申容压力容器有限公司 | Gas holder transversal joint quick welding device based on jar body horizontal centre gripping |
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| CN108747195A (en) * | 2018-08-20 | 2018-11-06 | 江苏中唱特种设备有限公司 | A kind of welding tooling |
| CN208840779U (en) * | 2018-09-06 | 2019-05-10 | 云南机电职业技术学院 | A kind of tube sheet positioning welding frock clamp of flexible adjustment |
| CN109894796A (en) * | 2019-04-01 | 2019-06-18 | 广东海洋大学 | A kind of electrical engineering welder with anti-rust action |
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| US3030903A (en) * | 1959-07-06 | 1962-04-24 | Thomas L Morris | Welding jig |
| FR2547758A1 (en) * | 1983-06-23 | 1984-12-28 | Pagane Yvon | Novel apparatus for joining tubes (pipes) end to end by centring |
| CN103418979A (en) * | 2013-08-09 | 2013-12-04 | 青岛东方铁塔股份有限公司 | Steel tube pneumatic clamping locating indexing device |
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| CN208840779U (en) * | 2018-09-06 | 2019-05-10 | 云南机电职业技术学院 | A kind of tube sheet positioning welding frock clamp of flexible adjustment |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114434083A (en) * | 2022-03-04 | 2022-05-06 | 安徽申容压力容器有限公司 | Gas holder transversal joint quick welding device based on jar body horizontal centre gripping |
| CN114434083B (en) * | 2022-03-04 | 2023-07-07 | 安徽申容压力容器有限公司 | Gas holder straight seam quick welding set based on horizontal centre gripping of jar body |
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Application publication date: 20191213 |