CN204800201U - Bottom of case longitudinal joint, circumferential weld welding anchor clamps - Google Patents
Bottom of case longitudinal joint, circumferential weld welding anchor clamps Download PDFInfo
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- CN204800201U CN204800201U CN201520467036.0U CN201520467036U CN204800201U CN 204800201 U CN204800201 U CN 204800201U CN 201520467036 U CN201520467036 U CN 201520467036U CN 204800201 U CN204800201 U CN 204800201U
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- flanging
- flange
- screwed hole
- assembly
- longitudinal joint
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Abstract
The utility model discloses a bottom of case longitudinal joint, circumferential weld welding anchor clamps, the utility model discloses in storage tank class pressure vessel's bottom of the case welding process, need carry out earlier longitudinal seam welding, cutting surplus to the melon lamella after, carry out the girth welding with the flange again to obtain the product of high strength, the utility model discloses in, bottom of the case longitudinal joint welding anchor clamps can compress tightly the melon lamella, guarantee the welding quality of longitudinal joint between the melon lamella, and bottom of the case circumferential weld welding anchor clamps can compress tightly the surrounding edge on melon lamella upper portion, guarantee and the flange between the welding quality of circumferential weld, among the whole welding process, the clamp plate of deuterogamying compresses tightly the manhole flange, can be simply, the efficient welds storage tank class pressure vessel's the bottom of the case.
Description
Technical field
The utility model relates to a kind of butt welding clamp, particularly relates to longitudinal joint at the bottom of a kind of case, circumferential weld butt welding clamp.
Background technology
The important composition parts of storage tank type III pressure vessel at the bottom of case, generally shaping by modes such as monoblock cast, forging and stamping, spinning and distinguish weldings.Be limited by the factors such as former is rare, complex process, cost control, usually adopt distinguish welding mode to produce.When producing on a large scale, again because traditional manual welding mode of production labour intensity is large, and production efficiency is not high, and cannot adapt to high density, high strength production task needs, domestic manufacturer carries out the work of relevant automatic butt welding technical study in recent years one after another.
Summary of the invention
The purpose of this utility model is just to provide one to solve the problem, and can reduce productive labor intensity, enhance productivity, longitudinal joint, circumferential weld butt welding clamp at the bottom of case that welding precision is high.
To achieve these goals, the technical solution adopted in the utility model is such:
Longitudinal joint butt welding clamp at the bottom of a kind of case, comprise the fetal membrane mated with welded melon lobe, described fetal membrane is made up of the flange of main body and bottom part body, described flange is provided with and severally shirt rim bottom melon lobe can be pressed on flanging assembly in main body and several positioning component melon lobe can located, also be provided with four longitudinal joints outside main body to hold down assembly, described longitudinal joint holds down assembly elongated, longitudinally arrange along body outer wall, top and body top removably connect, bottom and flange removably connect, longitudinal joint holds down assembly and is provided with the screwed hole of two row's longitudinal directions, fastening bolt is provided with in described screwed hole.
As preferably: described flanging assembly is Z-shaped flanging part, 16 altogether, Z-shaped flanging part comprises flanging body, the screwed hole be arranged on flanging body, fastening bolt through screwed hole, and described fastening bolt is towards body interior center.
A kind of case base ring seam butt welding clamp, comprise the fetal membrane mated with welded melon lobe, described fetal membrane is made up of the flange of main body and bottom part body, described flange is provided with and severally shirt rim bottom melon lobe can be pressed on flanging assembly in main body and several positioning component melon lobe can located, a ring pressure assembly is also provided with above main body, described ring pressure assembly comprises an annular backing plate, described backing plate is horizontally set on the surrounding edge place at the corresponding melon lobe top of body outer wall, several dowel is provided with between backing plate and shirt rim, backing plate is provided with several screwed hole, is provided with fastening bolt in screwed hole.
As preferably: described flanging assembly is Z-shaped flanging part, 16 altogether, Z-shaped flanging part comprises flanging body, the screwed hole be arranged on flanging body, fastening bolt through screwed hole, and described fastening bolt is towards body interior center.
A welding method for butt welding clamp at the bottom of case, comprises the following steps:
(1) fetal membrane is connected to transformation machine, melon lobe correspondence is installed on fetal membrane;
(2) longitudinal joint butt welding clamp at the bottom of install bin: melon lobe is navigated on mould tire by positioning component, compress with flanging assembly, then longitudinal joint is installed holds down assembly, utilize longitudinal joint hold down assembly on two row's fastening bolts, position, melon lobe longitudinal joint both sides is compressed, carries out longitudinal seam welding afterwards;
(3), after longitudinal seam welding completes, remove longitudinal joint and hold down assembly, retain positioning component and flanging assembly;
(4) prepare boxing, according to the size of welded manhole flange circumferential weld, the centre bore location utilizing center to rule on positioning disk at mould tire top, draws melon lobe assembly circumferential weld line of cut at the bottom of case and excises upper end surplus;
(5) top loads the manhole flange of coupling;
(6) install bin base ring seam butt welding clamp: surrounding edge place annular backing plate being horizontally set on the corresponding melon lobe top of body outer wall, utilize the fastening bolt on backing plate to be compressed by melon lobe top surrounding edge, meanwhile, mould tire top arranges pressing plate, utilize pressing plate to be compressed by manhole flange, carry out girth welding.
Compared with prior art, the utility model has the advantage of: in the case back welding termination process of storage tank type III pressure vessel, need first to carry out longitudinal seam welding to melon lobe, after cutting surplus, girth welding is carried out again with flange, thus obtain the product of high strength, in the utility model, melon lobe can compress by longitudinal joint butt welding clamp at the bottom of case, ensure the welding quality of longitudinal joint between melon lobe, and the surrounding edge on melon lobe top can compress by case base ring seam butt welding clamp, the welding quality of circumferential weld between guarantee and flange, in whole welding process, pressing plate is coordinated to be compressed by manhole flange again, can be simple, weld at the bottom of the case of storage tank type III pressure vessel efficiently.
Accompanying drawing explanation
Fig. 1 is longitudinal joint butt welding clamp schematic diagram at the bottom of case;
Fig. 2 is the A partial enlarged drawing of Fig. 1
Fig. 3 is case base ring seam butt welding clamp schematic diagram.
In figure: 1, shirt rim; 2, melon lobe; 3, flanging assembly; 4, positioning component; 5, longitudinal joint holds down assembly; 6, fastening bolt; 7, backing plate; 8, dowel; 9, pressing plate; 10, center line positioning disk; 11, flange.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Embodiment 1: see Fig. 1, Fig. 2 and Fig. 3, longitudinal joint butt welding clamp at the bottom of a kind of case, comprise the fetal membrane mated with welded melon lobe 2, described fetal membrane is made up of the flange of main body and bottom part body, described flange is provided with and severally shirt rim 1 bottom melon lobe 2 can be pressed on flanging assembly 3 in main body and several positioning component 4 melon lobe 2 can located, also be provided with four longitudinal joints outside main body and hold down assembly 5, described longitudinal joint holds down assembly 5 elongated, longitudinally arrange along body outer wall, top and body top removably connect, bottom and flange removably connect, longitudinal joint holds down assembly 5 screwed holes being provided with two row's longitudinal directions, fastening bolt 6 is provided with in described screwed hole.Described flanging assembly 3 is Z-shaped flanging part, 16 altogether, and Z-shaped flanging part comprises flanging body, the screwed hole be arranged on flanging body, fastening bolt 6 through screwed hole, and described fastening bolt 6 is towards body interior center.
A kind of case base ring seam butt welding clamp, comprise the fetal membrane mated with welded melon lobe 2, described fetal membrane is made up of the flange of main body and bottom part body, described flange is provided with and severally shirt rim 1 bottom melon lobe 2 can be pressed on flanging assembly 3 in main body and several positioning component 4 melon lobe 2 can located, a ring pressure assembly is also provided with above main body, described ring pressure assembly comprises an annular backing plate 7, described backing plate 7 is horizontally set on the surrounding edge place at corresponding melon lobe 2 top of body outer wall, several dowel 8 is provided with between backing plate 7 and shirt rim 1, backing plate 7 is provided with several screwed hole, fastening bolt 6 is provided with in screwed hole.Described flanging assembly 3 is Z-shaped flanging part, 16 altogether, and Z-shaped flanging part comprises flanging body, the screwed hole be arranged on flanging body, fastening bolt 6 through screwed hole, and described fastening bolt 6 is towards body interior center.
A welding method for butt welding clamp at the bottom of case, comprises the following steps:
(1) fetal membrane is connected to transformation machine, melon lobe 2 correspondence is installed on fetal membrane;
(2) longitudinal joint butt welding clamp at the bottom of install bin: melon lobe 2 is navigated on mould tire by positioning component 4, compress with flanging assembly 3, then longitudinal joint is installed holds down assembly 5, utilize two row's fastening bolts 6 that longitudinal joint holds down assembly on 5, position, melon lobe 2 longitudinal joint both sides is compressed, carries out longitudinal seam welding afterwards;
(3), after longitudinal seam welding completes, remove longitudinal joint and hold down assembly 5, retain positioning component 4 and flanging assembly 3;
(4) prepare boxing, according to the size of welded manhole flange 11 circumferential weld, the centre bore location utilizing center to rule on positioning disk 10 at mould tire top, draws melon lobe 2 assembly circumferential weld line of cut at the bottom of case and excises upper end surplus;
(5) top loads the manhole flange 11 of coupling;
(6) install bin base ring seam butt welding clamp: surrounding edge place annular backing plate 7 being horizontally set on corresponding melon lobe 2 top of body outer wall, the fastening bolt 6 on backing plate 7 is utilized to be compressed by melon lobe 2 top surrounding edge, simultaneously, mould tire top arranges pressing plate 9, utilize pressing plate 9 to be compressed by manhole flange 11, carry out girth welding.
Wherein, line positioning disk is provided with location centre bore, utilizes compasses-type scriber can draw melon lobe 2 assembly circumferential weld line of cut.Line positioning disk and loose tool utilize boss to locate and are spirally connected, and do not need dismounting; And the installation of pressing plate 9 is, pressing plate 9 one end is pressed on manhole flange 11, and band arc one end is pressed on loose tool, and tightening middle bolt can supported flange 11.
In the case back welding termination process of storage tank type III pressure vessel, need first to carry out longitudinal seam welding to melon lobe 2, after cutting surplus, girth welding is carried out again with flange 11, thus obtain the product of high strength, during use, longitudinal joint butt welding clamp at the bottom of case is utilized to be compressed by melon lobe 2, ensure the welding quality of melon lobe 2 longitudinal joints, recycling mould tire top utilizes center line positioning disk 10 to remove mould tire top margin, the surrounding edge on melon lobe 2 top compresses by case base ring seam butt welding clamp again, the welding quality of circumferential weld between guarantee and flange 11, in whole welding process, pressing plate 9 is coordinated to be compressed by manhole flange 11 again, can be simple, weld at the bottom of the case of storage tank type III pressure vessel efficiently.
In addition, the utility model adopts modularized design, the part of longitudinal joint butt welding clamp at the bottom of case and case base ring seam butt welding clamp is identical in a lot of structure, completely can be general, so welded condition conversion is convenient, simple to operate, solve the welding of new tank product without fixture can problem, meet need of production.
Claims (4)
1. longitudinal joint butt welding clamp at the bottom of a case, comprise the fetal membrane mated with welded melon lobe, described fetal membrane is made up of the flange of main body and bottom part body, it is characterized in that: described flange is provided with and severally shirt rim bottom melon lobe can be pressed on flanging assembly in main body and several positioning component melon lobe can located, also be provided with four longitudinal joints outside main body to hold down assembly, described longitudinal joint holds down assembly elongated, longitudinally arrange along body outer wall, top and body top removably connect, bottom and flange removably connect, longitudinal joint holds down assembly and is provided with the screwed hole of two row's longitudinal directions, fastening bolt is provided with in described screwed hole.
2. longitudinal joint butt welding clamp at the bottom of case according to claim 1, it is characterized in that: described flanging assembly is Z-shaped flanging part, 16 altogether, Z-shaped flanging part comprises flanging body, the screwed hole be arranged on flanging body, fastening bolt through screwed hole, and described fastening bolt is towards body interior center.
3. a case base ring seam butt welding clamp, comprise the fetal membrane mated with welded melon lobe, described fetal membrane is made up of the flange of main body and bottom part body, it is characterized in that: described flange is provided with and severally shirt rim bottom melon lobe can be pressed on flanging assembly in main body and several positioning component melon lobe can located, a ring pressure assembly is also provided with above main body, described ring pressure assembly comprises an annular backing plate, described backing plate is horizontally set on the surrounding edge place at the corresponding melon lobe top of body outer wall, several dowel is provided with between backing plate and shirt rim, backing plate is provided with several screwed hole, fastening bolt is provided with in screwed hole.
4. case base ring seam butt welding clamp according to claim 3, it is characterized in that: described flanging assembly is Z-shaped flanging part, 16 altogether, Z-shaped flanging part comprises flanging body, the screwed hole be arranged on flanging body, fastening bolt through screwed hole, and described fastening bolt is towards body interior center.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520467036.0U CN204800201U (en) | 2015-07-02 | 2015-07-02 | Bottom of case longitudinal joint, circumferential weld welding anchor clamps |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520467036.0U CN204800201U (en) | 2015-07-02 | 2015-07-02 | Bottom of case longitudinal joint, circumferential weld welding anchor clamps |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204800201U true CN204800201U (en) | 2015-11-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520467036.0U Expired - Fee Related CN204800201U (en) | 2015-07-02 | 2015-07-02 | Bottom of case longitudinal joint, circumferential weld welding anchor clamps |
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| CN (1) | CN204800201U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104959757A (en) * | 2015-07-02 | 2015-10-07 | 中国航天科技集团公司长征机械厂 | Tank bottom splice welding clamps and splice welding method |
-
2015
- 2015-07-02 CN CN201520467036.0U patent/CN204800201U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104959757A (en) * | 2015-07-02 | 2015-10-07 | 中国航天科技集团公司长征机械厂 | Tank bottom splice welding clamps and splice welding method |
| CN104959757B (en) * | 2015-07-02 | 2017-03-01 | 中国航天科技集团公司长征机械厂 | Bottom butt welding clamp and butt welding method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 610199 Chengdu 189 economic and Technological Development Zone (Longquanyi District), Sichuan. Patentee after: Sichuan spaceflight Long March Equipment Manufacturing Co., Ltd. Address before: 610199 No. 189, road, Longquan Town, Longquanyi District, Sichuan. Patentee before: Changzheng Machinery Factory, China Astronautics Science and Technology Group Co |
|
| CP03 | Change of name, title or address | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151125 Termination date: 20190702 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |