CN202943409U - Adjustable inner circle supporting tool - Google Patents
Adjustable inner circle supporting tool Download PDFInfo
- Publication number
- CN202943409U CN202943409U CN 201220648493 CN201220648493U CN202943409U CN 202943409 U CN202943409 U CN 202943409U CN 201220648493 CN201220648493 CN 201220648493 CN 201220648493 U CN201220648493 U CN 201220648493U CN 202943409 U CN202943409 U CN 202943409U
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- CN
- China
- Prior art keywords
- semicircle
- plugs
- semi
- inner circle
- circle
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
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Abstract
The utility model provides an adjustable inner circle supporting tool which comprises two semi-circle core rods, an anti-draft dowel and two cone-shaped tight bolts. A core rod is divided into the two semi-circle core rods. A through hole which is matched with the anti-draft dowel is processed in the middle portions of the two semi-circle core rods. The two semi-circle core rods are connected with the anti-draft dowel through the through hole. Two ends of each semi-circle core rod are provided with internal threads which are matched with the cone-shaped tight bolts. The cone-shaped tight bolts are screwed tightly with the two ends of each semi-circle core rod through the internal threads to support a circle. The external circular surface of each semi-circle core rod is provided with four arc-shaped adjusted heel blocks. Each heel block is correspondingly provided with a locating pin. Blind holes are formed in the excircles of the two ends of each semi-circle core rod, wherein the blind holes are matched with the locating pins. The arc-shaped adjusted heel blocks are connected with the two ends of each semi-circle core rod through the locating pin and the blind holes. The adjustable inner circle supporting tool has the advantages that pipe fitting of the supporting tool which supports the circle is good in effects, low in cost, easy to manufacture and convenient to disassemble and assemble, and the diameter can be adjusted.
Description
Technical field
The utility model relates to and prevents the diastrophic frock of thin-wall pipe welding in the truss welding structure, is specifically related to a kind of adjustable inner circle support tool.
Background technology
Being welded in the various product structure of pipe fitting is widely used, the minor diameter thin wall pipe problem on deformation that is caused by welding, prior art is by taking reversible deformation, interspersed pole and postwelding corrective action, the pole that often occurs interting can not take out at postwelding, and correction can make pipe produce new distortion, especially there are strict requirements to pipe fitting axiality and circularity for postwelding, with the pipe fitting endoporus, the structure of matching requirements arranged, and there is no at present effective way.
Summary of the invention
The technical problems to be solved in the utility model is, for making up existing pipe fitting welding above shortcomings, and, a kind of axiality after pipe fitting welding and circularity, simple in structure, simple load and unload adjustable inner circle support tool of guaranteeing is provided.
The utility model is to solve the problems of the technologies described above the technical scheme that adopts to be:
A kind of adjustable inner circle support tool, it comprises two semicircle plugs, an anti-offset pin, two taper stretching screws, described two semicircle plugs are divided into two by same plug, through hole that matches with anti-offset pin of middle part processing of two semicircle plugs, two semicircle plugs pass through this through hole and are connected anti-offset pin connection; The two ends of two semicircle plugs are provided with the internal thread that matches with taper stretching screw, and taper stretching screw screws until hold round by the two ends of this internal thread and two semicircle plugs.
In such scheme, described through hole keeps vertical with anti-offset pin with the divisional plane of two semicircle plugs.
In such scheme, the length of described anti-offset pin is less than the diameter of two semicircle plugs.
In such scheme, the material of described two semicircle plugs, anti-offset pin and two taper stretching screws is carbon steel.
In such scheme, be provided with the spacing of 5mm between described two semicircle plugs.
In such scheme, also be provided with four arcs on the periphery up and down at two ends, described two semicircle plug left and right and adjust cushion block, each arc is adjusted the cushion block correspondence and is provided with an alignment pin, cylindrical place, described two semicircle plug two ends has the blind hole that matches with alignment pin, and four arcs are adjusted cushion block and are connected with two semicircle plug two ends by alignment pin and this blind hole.
In such scheme, the cambered surface that described arc is adjusted cushion block coordinates with the periphery at two semicircle plug two ends.
In such scheme, the material that described arc is adjusted cushion block is stainless steel material.
Operation principle of the present utility model: two semicircle plugs are connected with anti-offset pin, the loading and unloading of the taper stretching screw by two semicircle plug two ends strut and fold the semicircle plug, can control distortion, the stretching pipe spare purpose of easy removal again but reach.Be provided with the spacing of 5mm between two semicircle plugs, be convenient to observation and the dismounting of semicircle plug.The periphery up and down at two ends, semicircle plug left and right has been set up arc and has been adjusted cushion block and alignment pin, thereby has increased the scope of application of inner circle support tool, and arc is adjusted the thickness of cushion block and determined by the internal diameter of pipe fitting to be held round.
The beneficial effects of the utility model: the welding deformation that has solved the minor diameter thin wall pipe fitting of various metal materials, particularly to the single short straight tube of the yielding materials such as aluminium alloy, stainless steel, and require many to have the welding deformation of coaxial requirement to control effectively with footpath or Different Diameter pipe fitting; It is effective that this adjustable inner circle support tool holds round pipe fitting, improved product quality, and cost is low, be easy to make, and diameter capable of regulating, mounting or dismounting are convenient, have solved complicated problem by simple structure.
Description of drawings
Fig. 1 is the structural representation of the adjustable inner circle support of the utility model tool.
Fig. 2 be Fig. 1 along A-A to cutaway view.
Fig. 3 is that the utility model increases the structural representation after arc is adjusted cushion block.
Fig. 4 be Fig. 3 along B-B to cutaway view.
In figure: 1-semicircle plug, the anti-offset pin of 2-, 3-taper stretching screw, the 4-arc is adjusted cushion block, 5-alignment pin.
The specific embodiment
Below in conjunction with embodiment and accompanying drawing, the technical solution of the utility model is described further.
With reference to Fig. 1 ~ shown in Figure 2, a kind of adjustable inner circle support tool described in the utility model, it comprises two semicircle plugs 1, an anti-offset pin 2, two taper stretching screws 3, described two semicircle plugs 1 are divided into two by same plug, through hole that matches with anti-offset pin 2 of middle part processing of two semicircle plugs 1, two semicircle plugs 1 pass through this through hole and are connected anti-offset pin 2 connections; The two ends of two semicircle plugs 1 are provided with the internal thread that matches with taper stretching screw 3, and taper stretching screw 3 screws until hold round by the two ends of this internal thread and two semicircle plugs 1.
Described through hole and anti-offset pin 2 keep vertical with the divisional plane of two semicircle plugs 1, and anti-offset pin 2 coordinates suitably with two semicircle plugs 1, have not only played position-limiting action but also have not affected the folding of two semicircle plugs 1.
The length of described anti-offset pin 2 is less than the diameter of two semicircle plugs 1.
The material of described two semicircle plugs 1, anti-offset pin 2 and two taper stretching screws 3 is carbon steel.
Be provided with the spacing of 5mm between described two semicircle plugs 1.
With reference to Fig. 3 ~ shown in Figure 4, in order to increase the scope of application of the utility model inner circle support tool, adapt to the requirement that holds round of adjacent diameter pipe fitting, also be provided with four arcs on periphery effectively supportting up and down of the described two semicircle plugs of Fig. 1 ~ Fig. 21 two ends, left and right and adjust cushion blocks 4, each arc is adjusted cushion block 4 correspondences and is provided with an alignment pin 5, described two semicircle plug 1 two ends are effectively supportted the cylindrical place and are had the blind hole that matches with alignment pin 5, and four arcs are adjusted cushion block 4 and are connected with two semicircle plug 1 two ends by alignment pin 5 and this blind hole.
The cambered surface that described arc is adjusted cushion block 4 coordinates processing with effective support periphery at two semicircle plug 1 two ends, and both fit closely.
Described arc is adjusted the material of cushion block 4 and is selected according to holding round tube material, adopts stainless steel material for avoiding the steel pipe fitting carburizing.
During work, two semicircle plugs, the 1 anti-offset pin of use 2 is connected, the loading and unloading of the taper stretching screw 3 by two semicircle plug 1 two ends strut and fold semicircle plug 1, can control distortion, the stretching pipe spare purpose of easy removal again but reach; Be provided with the spacing of 5mm between two semicircle plugs 1, be convenient to observation and the dismounting of semicircle plug; The periphery that effectively supports up and down at semicircle plug 1 two ends, left and right has been set up arc adjustment cushion block 4 and alignment pin 5, thereby has increased the scope of application of inner circle support tool, and arc is adjusted the thickness of cushion block 4 and determined by the internal diameter of pipe fitting to be held round.
Above-described is only preferred embodiment of the present utility model, certainly can not limit with this interest field of the utility model, and the equivalence of therefore doing according to the utility model claim changes, and still belongs to protection domain of the present utility model.
Claims (7)
1. an adjustable inner circle supports tool, it is characterized in that: it comprises two semicircle plugs (1), an anti-offset pin (2), two taper stretching screws (3), described two semicircle plugs (1) are divided into two by same plug, through hole that matches with anti-offset pin (2) of middle part processing of two semicircle plugs (1), two semicircle plugs (1) pass through this through hole and are connected anti-offset pin (2) connection; The two ends of two semicircle plugs (1) are provided with the internal thread that matches with taper stretching screw (3), and taper stretching screw (3) screws until hold round by the two ends of this internal thread and two semicircle plugs (1).
2. adjustable inner circle as claimed in claim 1 supports tool, it is characterized in that: described through hole keeps vertical with anti-offset pin (2) with the divisional plane of two semicircle plugs (1).
3. adjustable inner circle as claimed in claim 1 supports tool, and it is characterized in that: the length of described anti-offset pin (2) is less than the diameter of two semicircle plugs (1).
4. adjustable inner circle as claimed in claim 1 supports tool, and it is characterized in that: the material of described two semicircle plugs (1), anti-offset pin (2) and two taper stretching screws (3) is carbon steel.
5. adjustable inner circle support tool as claimed in claim 1, is characterized in that: the spacing that is provided with 5mm between described two semicircle plugs (1).
6. adjustable inner circle as claimed in claim 1 supports tool, it is characterized in that: also be provided with four arcs on the periphery up and down at described two semicircle plugs (1) two ends, left and right and adjust cushion blocks (4), each arc is adjusted cushion block (4) correspondence and is provided with an alignment pin (5), cylindrical place, described two semicircle plugs (1) two ends has the blind hole that matches with alignment pin (5), and four arcs are adjusted cushion blocks (4) and are connected with two semicircle plugs (1) two ends by alignment pin (5) and this blind hole.
7. adjustable inner circle as claimed in claim 6 supports tool, it is characterized in that: the material that described arc is adjusted cushion block (4) is stainless steel material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220648493 CN202943409U (en) | 2012-11-30 | 2012-11-30 | Adjustable inner circle supporting tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220648493 CN202943409U (en) | 2012-11-30 | 2012-11-30 | Adjustable inner circle supporting tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202943409U true CN202943409U (en) | 2013-05-22 |
Family
ID=48419125
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220648493 Withdrawn - After Issue CN202943409U (en) | 2012-11-30 | 2012-11-30 | Adjustable inner circle supporting tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202943409U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102990276A (en) * | 2012-11-30 | 2013-03-27 | 航宇救生装备有限公司 | Adjustable inner circle stretcher |
| CN104550522A (en) * | 2014-12-30 | 2015-04-29 | 昆山若宇检具工业有限公司(中国) | Special-shaped hole centering positioning adjustable device |
| CN113798883A (en) * | 2021-09-30 | 2021-12-17 | 航天材料及工艺研究所 | Tool and method for machining outer surface of thin-wall deep-cavity cover part |
-
2012
- 2012-11-30 CN CN 201220648493 patent/CN202943409U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102990276A (en) * | 2012-11-30 | 2013-03-27 | 航宇救生装备有限公司 | Adjustable inner circle stretcher |
| CN102990276B (en) * | 2012-11-30 | 2015-07-08 | 航宇救生装备有限公司 | Adjustable inner circle stretcher |
| CN104550522A (en) * | 2014-12-30 | 2015-04-29 | 昆山若宇检具工业有限公司(中国) | Special-shaped hole centering positioning adjustable device |
| CN113798883A (en) * | 2021-09-30 | 2021-12-17 | 航天材料及工艺研究所 | Tool and method for machining outer surface of thin-wall deep-cavity cover part |
| CN113798883B (en) * | 2021-09-30 | 2024-05-14 | 航天材料及工艺研究所 | Machining tool and machining method for outer surface of thin-wall deep cavity cover piece |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130522 Effective date of abandoning: 20150708 |
|
| RGAV | Abandon patent right to avoid regrant |