CN208246172U - It is a kind of that fixture being welded and fixed suitable for pressure vessel shell ring - Google Patents

It is a kind of that fixture being welded and fixed suitable for pressure vessel shell ring Download PDF

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Publication number
CN208246172U
CN208246172U CN201820827505.9U CN201820827505U CN208246172U CN 208246172 U CN208246172 U CN 208246172U CN 201820827505 U CN201820827505 U CN 201820827505U CN 208246172 U CN208246172 U CN 208246172U
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groups
wall
stationary fixture
fixture
welded
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CN201820827505.9U
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Chinese (zh)
Inventor
闫建新
赵淑珍
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Heze City Products Inspection And Testing Institute
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Heze City Products Inspection And Testing Institute
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Abstract

Fixture is welded and fixed suitable for pressure vessel shell ring in a kind of the utility model discloses welding technology field, the telescopic rod top end inner cavity of hydraulic cylinder described in two groups is connected with support rod, first stationary fixture includes support housing, the support housing is socketed in the outer wall of support rod, outer wall left part of the support housing or so is separately installed with limited block and spring bearing, the outer wall of the spring bearing is socketed with screw thread disk, the left wall of the screw thread disk is contacted with limited block, the right part inner cavity of the support housing is connected with threaded rod, the left wall of the threaded rod is engaged with the right wall of screw thread disk, present apparatus structure is simple, it is easy to operate, the pressure vessel of different-diameter can be welded.

Description

It is a kind of that fixture being welded and fixed suitable for pressure vessel shell ring
Technical field
The utility model discloses a kind of fixture that is welded and fixed suitable for pressure vessel shell ring, specially welding technique is led Domain.
Background technique
Pressure vessel is due to special working environment, and welding quality requirement is extremely stringent, and usual pressure vessel shell ring exists It carries out welding preceding fixation mostly in the way of spot welding when being welded, is difficult to adjust the preset clearance of weld seam in this way, in welding process In misplace since non-uniform heating process often leads to shell ring weld seam, while postwelding due to weld contraction metamorphosis very It is difficult to guarantee the cylindricity of shell ring, is brought a lot of trouble for following process, and general circular weld is welded and fixed fixture and designs more At the cyclic structure for being only applicable in a kind of diameter, but due to the diameter of different pressures container model difference, it is not able to satisfy different-diameter Shell ring shape welding requirements.
Utility model content
Fixture is welded and fixed suitable for pressure vessel shell ring the purpose of this utility model is to provide a kind of, on solving The pressure vessel that the existing stationary fixture proposed in background technique is not suitable for different-diameter is stated, it is reserved that weld seam can not be adjusted before weldering The problem of gap.
To achieve the above object, the utility model provides the following technical solutions: a kind of weldering suitable for pressure vessel shell ring Stationary fixture, including platform are connect, the top of the platform is separately installed with electric lifting device and two groups of hydraulic cylinders, described in two groups Hydraulic cylinder is located at the left and right part of electric lifting device, and the top middle portion of the platform is provided with orbital groove, the electronic act The bottom end and orbital groove for rising device are clamped, and the telescopic rod top end inner cavity of hydraulic cylinder described in two groups is connected with support rod, two groups of institutes The antetheca for stating the telescopic rod top end of hydraulic cylinder is mounted on pin rod, and two groups of pin rods extend through two groups of hydraulic cylinders telescopic rod and The outer wall of support rod, the outer wall of the support rod are respectively sleeved on two group of first stationary fixture and the second stationary fixture, two groups of institutes State the left part that the first stationary fixture is respectively positioned on two group of second stationary fixture, the structure of the first stationary fixture described in two groups and two groups of institutes The structure for stating the second stationary fixture is identical, and first stationary fixture includes support housing, and the support housing is socketed in support The outer wall of bar, outer wall left part of the support housing or so are separately installed with limited block and spring bearing, the spring bearing Outer wall is socketed with screw thread disk, and the left wall of the screw thread disk is contacted with limited block, and the right part inner cavity of the support housing is connected with spiral shell The left wall of rasp bar, the threaded rod is engaged with the right wall of screw thread disk, and the antetheca of the support housing is equipped with fastening bolt, and tight Fixing bolt runs through the antetheca of support housing, the antetheca of the support rod and the end thereof contacts of fastening bolt, before the screw thread disk Wall is provided with crank way.
Preferably, the threaded rod is at least equipped with four groups.
Preferably, the top of the threaded rod is welded with U-shaped support chip.
Preferably, the first stationary fixture described in two groups and two group of second stationary fixture is contrary.
Compared with prior art, the utility model has the beneficial effects that two groups of hydraulic cylinders are arranged in the present apparatus, pass through hydraulic cylinder Lifting realize that electric lifting device is arranged convenient for fixed and welding in the lifting of stationary fixture, reduce labor intensity, if Screw thread disk and threaded rod are set, the pressure vessel of different-diameter is applicable in so that threaded rod is stretched out or shunk by the rotation of screw thread disk Fixation, support housing is set, so that pressure is easy to be fixed to each other with threaded rod, while by mobile support housing, realizing and welding The adjusting of preset clearance is stitched, present apparatus structure is simple, and it is easy to operate, the pressure vessel of different-diameter can be welded.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model;
Fig. 2 is the utility model stationary fixture elevational cross-sectional view;
Fig. 3 is the utility model stationary fixture right side view.
In figure: 1 platform, 2 hydraulic cylinders, 3 electric lifting devices, 4 support rods, 5U type raising board, 6 first stationary fixtures, 7 Two stationary fixtures, 61 support housings, 62 spring bearings, 63 threaded rods, 64 screw thread disks, 65 limited blocks.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.
Please refer to Fig. 1-3, the utility model provides a kind of technical solution: a kind of welding suitable for pressure vessel shell ring is solid Clamp tool, including platform 1, the top of the platform 1 is separately installed with electric lifting device 3 and two groups of hydraulic cylinders 2, described in two groups Hydraulic cylinder 2 is located at the left and right part of electric lifting device 3, and the top middle portion of the platform 1 is provided with orbital groove, described electronic The bottom end of lifting device 3 and orbital groove are clamped, and the telescopic rod top end inner cavity of hydraulic cylinder 2 described in two groups is connected with support rod 4, and two The antetheca of the telescopic rod top end of the group hydraulic cylinder 2 is mounted on pin rod, and two groups of pin rods extend through stretching for two groups of hydraulic cylinders 2 The outer wall of contracting bar and support rod 4, the outer wall of the support rod 4 are respectively sleeved on two group of first stationary fixture 6 and the second fixing clamp Tool 7, the first stationary fixture 6 described in two groups is respectively positioned on the left part of two group of second stationary fixture 7, the first stationary fixture 6 described in two groups Structure it is identical as the structure of the second stationary fixture 7 described in two groups, first stationary fixture 6 include support housing 61, it is described Support housing 61 is socketed in the outer wall of support rod 4, and the outer wall left part or so of the support housing 61 is separately installed with limited block 65 With spring bearing 62, the outer wall of the spring bearing 62 is socketed with screw thread disk 64, the left wall and limited block 65 of the screw thread disk 64 Contact, the right part inner cavity of the support housing 61 are connected with threaded rod 63, the left wall of the threaded rod 63 and the right side of screw thread disk 64 Wall engagement, the antetheca of the support housing 61 is equipped with fastening bolt, and fastening bolt runs through the antetheca of support housing 61, described The antetheca of the antetheca of support rod 4 and the end thereof contacts of fastening bolt, the screw thread disk 64 is provided with crank way.
Wherein, threaded rod 63 is at least equipped with four groups, improves the stability between threaded rod 63 and pressure vessel, guarantees screw thread The top of bar 63 is welded with U-shaped support chip, improves threaded rod 63 to the supporting degree of internal pressure vessel walls, pressure vessel is avoided to become Shape, two group of first stationary fixture 6 and two group of second stationary fixture 7 it is contrary, convenient for solid to the first stationary fixture 6 and second The fixation of clamp tool 7.
Working principle: by the first stationary fixture 6 on 4 outer wall of support rod 4 and support rod, the second stationary fixture 7 from hydraulic cylinder 2 Two groups of pressure vessels to be welded are placed on U-shaped raising board 5 by upper disassembly, start electric lifting device 3, so that U-shaped lifting Plate 5 and pressure vessel rise, until the center of pressure vessel is concordant with the former center of support rod 4, close electric lifting device 3, After 4, two group of first stationary fixture 6 of support rod and the second stationary fixture 7 are reinstalled in the top of two groups of hydraulic cylinders 2, pass through Pin rod is fixed by hydraulic cylinder 2 and support rod 4, the first stationary fixture 6 of mobile right part and the second stationary fixture 7 of left part, will be right Fastening bolt in first stationary fixture 6 in portion and the second stationary fixture 7 of left part in support housing 61 is tightened, so that right part Second stationary fixture 7 of the first stationary fixture 6 and left part is fixed with support rod 4, and crank is passed through to the first stationary fixture 6 of right part It is rotated respectively after crank way insertion with 64 outer wall of screw thread disk in the second stationary fixture 7 of left part, so that screw thread disk 64 rotates, spiral shell The rotation of line disk 64 drives the stretching of threaded rod 63, the stretching of threaded rod 63, until first stationary fixture 6 and left part of right part Threaded rod 63 in second stationary fixture 7 is contacted with the inner wall of two groups of pressure vessels respectively, so that the mutually view of two groups of pressure vessels Wall end inner cavity is supported, and is twisted tight in support housing 61 in the first stationary fixture 6 of right part and the second stationary fixture 7 of left part Fixing bolt, so that the second stationary fixture 7 of the first stationary fixture 6 of right part and left part be not in stationary state with support rod 4, Electric lifting device 3 has support force to two groups of pressure vessels at this time, in order to adjust two groups of pressure vessel places to be welded away from From welding seam distance being adjusted, so that meet level weld seam requirement, then by the second stationary fixture 7 of the first stationary fixture 6 of left part and right part It is respectively moved to the inner cavity of two groups of pressure vessels, by twisting the first stationary fixture 6 of left part and the second stationary fixture 7 of right part Fastening bolt in middle support housing 61 is tightened so that the second stationary fixture 7 of the first stationary fixture 6 of left part and right part with Support rod 4 is fixed, and crank is inserted into screw thread disk 64 in the first stationary fixture 6 of left part and the second stationary fixture 7 of right part respectively The crank way of outer wall, so that screw thread disk 64 rotates, the rotation of screw thread disk 64 drives the stretching of threaded rod 63, and threaded rod 63 is stretched Out, until left part the first stationary fixture 6 and right part the second stationary fixture 7 in threaded rod 63 respectively with two groups of pressure vessels Inner wall contact so that two groups of pressure vessels are mutually supported depending on wall end inner cavity.The transverse direction and radial direction of two groups of pressure vessels at this time It is fixed, can not move, start two groups of hydraulic cylinders 2, so that pressure vessel rises, so that place to be welded rises, then will be electronic Lifting device 3 moves backward, and carries out convenient for welding.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (4)

1. a kind of fixture that is welded and fixed suitable for pressure vessel shell ring, including platform (1), it is characterised in that: the platform (1) Top be separately installed with electric lifting device (3) and two groups of hydraulic cylinders (2), hydraulic cylinder described in two groups (2) is located at electronic The left and right part of lifting device (3), the top middle portion of the platform (1) are provided with orbital groove, the bottom of the electric lifting device (3) End is clamped with orbital groove, and the telescopic rod top end inner cavity of hydraulic cylinder described in two groups (2) is connected with support rod (4), liquid described in two groups The antetheca of the telescopic rod top end of cylinder pressure (2) is mounted on pin rod, and two groups of pin rods extend through the telescopic rod of two groups of hydraulic cylinders (2) With the outer wall of support rod (4), the outer wall of the support rod (4) is respectively sleeved on two group of first stationary fixture (6) and second and fixes Fixture (7), the first stationary fixture (6) described in two groups are respectively positioned on the left part of two group of second stationary fixture (7), and first is solid described in two groups The structure that clamp has (6) is identical as the structure of the second stationary fixture (7) described in two groups, and first stationary fixture (6) includes branch It supports shell (61), the support housing (61) is socketed in the outer wall of support rod (4), and the outer wall left part of the support housing (61) is left The right side is separately installed with limited block (65) and spring bearing (62), and the outer wall of the spring bearing (62) is socketed with screw thread disk (64), The left wall of the screw thread disk (64) is contacted with limited block (65), and the right part inner cavity of the support housing (61) is connected with threaded rod (63), the left wall of the threaded rod (63) is engaged with the right wall of screw thread disk (64), and the antetheca of the support housing (61) is equipped with Fastening bolt, and fastening bolt runs through the antetheca of support housing (61), the antetheca of the support rod (4) and one end of fastening bolt Contact, the antetheca of the screw thread disk (64) are provided with crank way.
A kind of fixture is welded and fixed suitable for pressure vessel shell ring 2. according to claim 1, it is characterised in that: described Threaded rod (63) is at least equipped with four groups.
A kind of fixture is welded and fixed suitable for pressure vessel shell ring 3. according to claim 1, it is characterised in that: described The top of threaded rod (63) is welded with U-shaped support chip.
A kind of fixture is welded and fixed suitable for pressure vessel shell ring 4. according to claim 1, it is characterised in that: two groups First stationary fixture (6) and two group of second stationary fixture (7) it is contrary.
CN201820827505.9U 2018-05-30 2018-05-30 It is a kind of that fixture being welded and fixed suitable for pressure vessel shell ring Active CN208246172U (en)

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Application Number Priority Date Filing Date Title
CN201820827505.9U CN208246172U (en) 2018-05-30 2018-05-30 It is a kind of that fixture being welded and fixed suitable for pressure vessel shell ring

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820827505.9U CN208246172U (en) 2018-05-30 2018-05-30 It is a kind of that fixture being welded and fixed suitable for pressure vessel shell ring

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CN208246172U true CN208246172U (en) 2018-12-18

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109396737A (en) * 2018-12-27 2019-03-01 株洲联诚集团控股股份有限公司 A kind of draught fan impeller general welding fixture
CN110216708A (en) * 2019-07-03 2019-09-10 长兴云腾新能源科技有限公司 A kind of grabbing device for stainless steel semiconductor grade pipe fitting
CN112338652A (en) * 2021-01-11 2021-02-09 胜利新大新材料股份有限公司 Barrel processing method
CN116329828A (en) * 2023-05-25 2023-06-27 南京斯迈柯特种金属装备股份有限公司 Pressure container butt joint groove structure, welding device and welding method

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109396737A (en) * 2018-12-27 2019-03-01 株洲联诚集团控股股份有限公司 A kind of draught fan impeller general welding fixture
CN110216708A (en) * 2019-07-03 2019-09-10 长兴云腾新能源科技有限公司 A kind of grabbing device for stainless steel semiconductor grade pipe fitting
CN110216708B (en) * 2019-07-03 2024-03-29 长兴云腾新能源科技有限公司 Grabbing device for stainless steel semiconductor-grade pipe fitting
CN112338652A (en) * 2021-01-11 2021-02-09 胜利新大新材料股份有限公司 Barrel processing method
CN112338652B (en) * 2021-01-11 2021-03-26 胜利新大新材料股份有限公司 Barrel processing method
CN116329828A (en) * 2023-05-25 2023-06-27 南京斯迈柯特种金属装备股份有限公司 Pressure container butt joint groove structure, welding device and welding method
CN116329828B (en) * 2023-05-25 2024-02-06 南京斯迈柯特种金属装备股份有限公司 Pressure container butt joint groove structure, welding device and welding method

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