CN104959752A - Telescopic fixture of corrugated pipe compensator - Google Patents
Telescopic fixture of corrugated pipe compensator Download PDFInfo
- Publication number
- CN104959752A CN104959752A CN201510380496.4A CN201510380496A CN104959752A CN 104959752 A CN104959752 A CN 104959752A CN 201510380496 A CN201510380496 A CN 201510380496A CN 104959752 A CN104959752 A CN 104959752A
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- CN
- China
- Prior art keywords
- anchor ear
- pull bar
- screw mandrel
- corrugated pipe
- 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.)
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Classifications
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- 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
Abstract
The invention discloses a telescopic fixture of a corrugated pipe compensator. The telescopic fixture of the corrugated pipe compensator comprises a left hold hoop and a right hold hoop which are arranged at the left end concave position and the right end convex position of a corrugated pipe respectively; the left hold hoop is composed of two left half pieces, adjusting bolts and two butting plates, and the right hold hoop is formed by connecting two right half pieces; the outer sides of the right half pieces are provided with connecting plates, the middles of the connecting plates are provided with screw rods, pull rods are arranged between the left hold hoop and the right hold hoop, the ends, far away from the left hold hoop, of the screw rods are connected with screw rod nuts in a sleeved mode, and the other ends of the screw rods are connected with the pull rods through linkage mechanisms. According to the telescopic fixture of the corrugated pipe compensator, the defects that in the prior art, a corrugated pipe fixture is complex in structure, and multiple portions need to be adjusted so that the length of the corrugated pipe compensator can be pulled or compressed are overcome; through the connection relation among the hold hoops, the linkage mechanisms and the screw rods, the purpose of adjusting the relative position of the left hold hoop and the right hold hoop can be achieved by rotating the screw rods, and therefore the purpose of adjusting the length of the corrugated pipe compensator can be achieved.
Description
Technical field
The present invention relates to a kind of flexible fixture, particularly relate to a kind of corrugated expansion joint and to stretch fixture.
Background technology
Corrugated expansion joint is common weldment, and in practice, its two ends often need same pipeline, box parts etc. to weld together.But due to mismachining tolerance, the reason such as to expand with heat and contract with cold, the length of corrugated expansion joint is difficult to meet actual needs.Therefore, need a kind of fixture, before welding, by the bellows stretched or in compress bellows compensator, needed for its length adjustment being arrived, and this fixture of postwelding can be removed very easily.
At present, the conventional flexible fixture basic condition of corrugated expansion joint is: fixture is by two baffle plates, 4 pull bars, 16 nut compositions, pull bar is through two baffle plates, each pull bar is connected with two nuts in each baffle plate both sides, by regulating the position of 16 nuts to reach the object of stretching or compress bellows compensator length during work.
Its major defect is:
1, do not realize interlock between pull bar, each Tension and Compression, repeatedly need adjust 16 nut locations, lose time, inefficiency;
2, each pull bar can only control 1/4th of ripple tube section, and in stretching or compression process, bellows is in repeatedly the state of torsional deformation, when bellows stiffness is huge, needs very large moment, Tension and Compression process just can be made to continue;
3, Tension and Compression is not by regulating same nut to realize, and the two all needs to adjust two nut locations of baffle plate both sides.
Up till now, the patent of the flexible fixture of corrugated expansion joint is not also related to.
Summary of the invention
Object of the present invention is just to provide one to solve the problem, can simply, easily according to actual size, a kind of corrugated expansion joint adjusted the length of bellows stretches fixture.
To achieve these goals, the technical solution used in the present invention is such: a kind of corrugated expansion joint stretches fixture, comprise the left anchor ear and right anchor ear that are separately positioned on bellows left end recess and right-hand member high spot, described left anchor ear is formed by connecting by two panels left half is involutory, left half connects one near one end of right anchor ear by adjusting bolt and pushes against plate, the described plate that pushes against also is positioned at described recess, and can with the adjustment of adjusting bolt along bellows axially-movable;
Described right anchor ear is formed by connecting by two panels right half is involutory, connecting plate is provided with outside right half, run through in the middle part of connecting plate and be provided with screw mandrel, pull bar is provided with between left anchor ear and right anchor ear, described pull bar one end is fixedly connected with left anchor ear, and the other end is flexibly connected with connecting plate, and described screw mandrel is socketed with feed screw nut away from one end of left anchor ear, the other end is connected with pull bar by link gear, and described screw mandrel and pull bar are all axially arranged along bellows.
As preferably: described transmission mechanism comprises two leads, two limited blocks and a guide plate, described lead is parallel with screw mandrel and be positioned at screw mandrel both sides, guide plate is socketed on two leads, be flexibly connected with two leads, pull bar and lead one_to_one corresponding are arranged, and the pull bar of correspondence is connected by limited block with lead, guide plate two ends are fixedly connected with two limited blocks, and middle part is fixedly connected with screw mandrel.
As preferably: described in push against plate be semicircular arc, when two panels left half is involutory, push against plate also involutory rounded.
As preferably: described two panels left half, two panels right half adopt and be threaded,
As preferably: described pull bar is threaded with left anchor ear and right anchor ear, and limited block is socketed on pull bar, spacing by fastening bolt, and with guide plate clamping, guide plate is connected with wire rod thread.
Compared with prior art, the invention has the advantages that: overcome in prior art, corrugated pipe clamp complex structure, multiple position must be adjusted and could stretch or the defect of compress bellows compensator length; By two anchor ears, annexation between link gear and screw mandrel, reached the object of the left anchor ear of adjustment and right anchor ear relative position by rotary screw, thus reach the object of adjustment corrugated expansion joint length.Make stretching or compress bellows compensator length become simple, save time, operating efficiency is high, meanwhile, can be applied on the huge bellows of rigidity, easy to adjust.
In addition, concrete structure also has following benefit:
1. achieve interlock between a feed screw nut and two pull bars, each Tension and Compression, only need two people rotating in same direction two feed screw nuts simultaneously, needed for corrugated expansion joint length adjustment can being arrived, the whole adjustment process time is short, and operating efficiency is high.
2. liang people simultaneously rotary screw rod nut time, two guide plate displacements are substantially synchronous, and the displacement of four pull bars is also substantially synchronous, therefore in stretching or compression process, bellows is not distorted and is out of shape or is out of shape very little, and needed for whole adjustment process, moment is little, and labor strength is little.
3. Tension and Compression process realizes by regulating same feed screw nut, and when rotating two feed screw nuts to a direction, corrugated expansion joint is stretched, and when rotating two feed screw nuts round about, corrugated expansion joint is compressed.
4. about, the hoop of anchor ear is made up of two halves, is connected by bolt and nut, and pull bar can take out along bellows axis, and therefore after corrugated expansion joint two ends and other weld parts, fixture can be removed very easily.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the front view of left anchor ear;
Fig. 3 is the top view of left anchor ear;
Fig. 4 is the right view of left anchor ear;
Fig. 5 is the front view of right anchor ear;
Fig. 6 is the left view of right anchor ear.
In figure: 1, left anchor ear; 11, left half; 12, adjusting bolt; 13, plate is pushed against; 2, right anchor ear; 21, right half; 22, connecting plate; 23, groove; 3, pull bar; 4, limited block; 5, lead; 6, guide plate; 7, screw mandrel; 8, feed screw nut.
Detailed description of the invention
Below in conjunction with accompanying drawing, the invention will be further described.
Embodiment 1: see Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5 and Fig. 6, a kind of corrugated expansion joint stretches fixture, comprise the left anchor ear 1 and right anchor ear 2 that are separately positioned on bellows left end recess and right-hand member high spot, described left anchor ear 1 is formed by connecting by two panels left half 11 is involutory, left half 11 connects one near one end of right anchor ear 2 by adjusting bolt 12 and pushes against plate 13, the described plate 13 that pushes against also is positioned at described recess, and can with the adjustment of adjusting bolt 12 along bellows axially-movable; Described right anchor ear 2 is formed by connecting by two panels right half 21 is involutory, connecting plate 22 is provided with outside right half 21, run through in the middle part of connecting plate 22 and be provided with screw mandrel 7, pull bar 3 is provided with between left anchor ear 1 and right anchor ear 2, described pull bar 3 one end is fixedly connected with left anchor ear 1, and the other end is flexibly connected with connecting plate 22, and described screw mandrel 7 is socketed with feed screw nut 8 away from one end of left anchor ear 1, the other end is connected with pull bar 3 by link gear, and described screw mandrel 7 and pull bar 3 are all axially arranged along bellows.
In the present embodiment, the concrete mode that described pull bar 3 other end is flexibly connected with connecting plate 22 is that connecting plate 22 is provided with groove 23, pull bar 3 is placed in groove 23, when link gear is subjected to displacement, when namely Bellows Length changes, pull bar 3 slides in groove 23.
In the present embodiment, described transmission mechanism comprises two lead 5, two limited block 4 and guide plates 6, described lead 5 is parallel with screw mandrel 7 and be positioned at screw mandrel 7 both sides, pull bar 3 and lead 5 one_to_one corresponding are arranged, and the pull bar 3 of correspondence is connected by limited block 4 with lead 5, guide plate 6 two ends are connected with two limited blocks 4, and middle part is connected with screw mandrel 7.During actual connection, lead 5 is connected with guide plate 6 and axial displacement can occurs between the two, be fixedly connected with screw mandrel 7 in the middle part of guide plate 6, two ends are connected with two leads 5, limited block 4 tips upside down on the axial displacement both guide plate 6 closes with lotus root, and the connected mode of pull bar 3 and limited block 4 is for being fixedly connected with.
Because each right half 21 connects a rhizoid bar 7, two leads 5, two limited blocks 4, a guide plate 6, so this structure always has two rhizoid bars 7, four leads 5, four limited blocks 4, two guide plates 6, due to lead 5 and pull bar 3 one_to_one corresponding, pull bar 3 is also four, in order to dynamics symmetrically, four leads 5 are evenly arranged on bellows surrounding by us, like this, four limited blocks 4, four pull bars 3 are also evenly distributed on bellows surrounding, in like manner, in the present embodiment, push against plate 13 and produce to allow and better push against effect, we will push against plate 13 and be set to semicircular arc, when two panels left half 11 is involutory, push against plate 13 also involutory rounded.
In addition, in the present embodiment, each parts connected mode is: described two panels left half 11, two panels right half 21 adopt and be threaded, described pull bar 3 is threaded with left anchor ear 1 and right anchor ear 2, limited block 4 is socketed on pull bar 3, spacing by fastening bolt, and with guide plate 6 clamping, guide plate 6 is threaded with screw mandrel 7.
Installation method of the present invention is as follows:
1. left anchor ear 1 is arranged on the recess on the left of bellows, right anchor ear 2 is arranged on the high spot of the right survey of bellows, adjust the adjusting bolt 12 on left anchor ear 1, the integral thickness making left anchor ear 1 and push against plate 13 changes, thus allows left anchor ear 1 and push against the overall both sides of plate 13 and recess both sides close contact.
2. be arranged on by pull bar 3 on left anchor ear 1 and right anchor ear 2, be fixed on by limited block 4 on pull bar 3, adjustment guide plate 6 position, guarantees that limited block can tip upside down on guide plate 6 for 4 times.
Using method of the present invention is:
With instrument rotary screw rod nut 8, translation is there is in screw mandrel 7 relative to right anchor ear 2, the Sports band action-oriented plate 6 of screw mandrel 7 moves, the motion of guide plate 6 drives limited block 4 to move, the Sports band fortune pull bar 3 of limited block 4 moves, the final result of motion is exactly that left anchor ear 1 there occurs translation relative to right anchor ear 2, and bellows is stretched or compressed, and corrugated expansion joint length there occurs change.
In the present embodiment, between a feed screw nut 8 and two pull bars 3, achieve interlock, each Tension and Compression, only need two people rotating in same direction two feed screw nuts 8 simultaneously, needed for corrugated expansion joint length adjustment can being arrived; Because method of adjustment is simple, adjustment can be accomplished synchronously, and in stretching or compression process, bellows is not distorted and is out of shape or is out of shape very little, and needed for whole adjustment process, moment is little; Tension and Compression process realizes by regulating same feed screw nut 8; The hoop of left and right anchor ear 2 is made up of two halves, is connected by bolt and nut, and pull bar 3 can take out along bellows axis, and therefore after corrugated expansion joint two ends and other weld parts, fixture can be removed very easily.
Claims (5)
1. a corrugated expansion joint stretches fixture, it is characterized in that: comprise the left anchor ear and right anchor ear that are separately positioned on bellows left end recess and right-hand member high spot, described left anchor ear is formed by connecting by two panels left half is involutory, left half connects one near one end of right anchor ear by adjusting bolt and pushes against plate, the described plate that pushes against also is positioned at described recess, and can with the adjustment of adjusting bolt along bellows axially-movable;
Described right anchor ear is formed by connecting by two panels right half is involutory, connecting plate is provided with outside right half, run through in the middle part of connecting plate and be provided with screw mandrel, pull bar is provided with between left anchor ear and right anchor ear, described pull bar one end is fixedly connected with left anchor ear, and the other end is flexibly connected with connecting plate, and described screw mandrel is socketed with feed screw nut away from one end of left anchor ear, the other end is connected with pull bar by link gear, and described screw mandrel and pull bar are all axially arranged along bellows.
2. corrugated expansion joint according to claim 1 stretches fixture, it is characterized in that: as preferably: described transmission mechanism comprises two leads, two limited blocks and a guide plate, described lead is parallel with screw mandrel and be positioned at screw mandrel both sides, guide plate is socketed on two leads, be flexibly connected with two leads, pull bar and lead one_to_one corresponding are arranged, and the pull bar of correspondence is connected by limited block with lead, guide plate two ends are fixedly connected with two limited blocks, and middle part is fixedly connected with screw mandrel.
3. corrugated expansion joint according to claim 1 stretches fixture, it is characterized in that: described in push against plate be semicircular arc, when two panels left half is involutory, push against plate also involutory rounded.
4. corrugated expansion joint according to claim 1 stretches fixture, it is characterized in that: described two panels left half, two panels right half adopt and be threaded.
5. corrugated expansion joint according to claim 2 stretches fixture, it is characterized in that: described pull bar is threaded with left anchor ear and right anchor ear, and limited block is socketed on pull bar, spacing by fastening bolt, and with guide plate clamping, guide plate is connected with wire rod thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510380496.4A CN104959752B (en) | 2015-07-02 | 2015-07-02 | Corrugated expansion joint stretches fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510380496.4A CN104959752B (en) | 2015-07-02 | 2015-07-02 | Corrugated expansion joint stretches fixture |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104959752A true CN104959752A (en) | 2015-10-07 |
| CN104959752B CN104959752B (en) | 2016-10-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510380496.4A Active CN104959752B (en) | 2015-07-02 | 2015-07-02 | Corrugated expansion joint stretches fixture |
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| CN (1) | CN104959752B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106976017A (en) * | 2015-10-23 | 2017-07-25 | 株式会社迪思科 | Tubular wrinkle cover |
| CN108857250A (en) * | 2018-06-28 | 2018-11-23 | 芜湖泰和管业股份有限公司 | A kind of compensator welding equipment |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004278757A (en) * | 2003-03-18 | 2004-10-07 | Calsonic Kansei Corp | Three-dimensional spherical joint |
| US20050006895A1 (en) * | 2003-07-07 | 2005-01-13 | Akira Muroi | Pipe joint |
| CN200960591Y (en) * | 2006-10-21 | 2007-10-17 | 江苏神通阀门有限公司 | Welding fixture |
| CN201529880U (en) * | 2009-10-27 | 2010-07-21 | 北京广厦环能科技有限公司 | Compression device of corrugated pipe head |
| CN102278561A (en) * | 2011-06-29 | 2011-12-14 | 北京宇航系统工程研究所 | Large-caliber long-span compensator for conveying pipe |
| CN202985001U (en) * | 2012-12-13 | 2013-06-12 | 上海航天精密机械研究所 | Positioning device for circular seam welding of corrugated tube compensator |
| CN203566163U (en) * | 2013-12-05 | 2014-04-30 | 国家电网公司 | Clamp for welding pipe bus |
| CN204800177U (en) * | 2015-07-02 | 2015-11-25 | 中国航天科技集团公司长征机械厂 | Corrugated expansion joint telescopic clamp utensil |
-
2015
- 2015-07-02 CN CN201510380496.4A patent/CN104959752B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004278757A (en) * | 2003-03-18 | 2004-10-07 | Calsonic Kansei Corp | Three-dimensional spherical joint |
| US20050006895A1 (en) * | 2003-07-07 | 2005-01-13 | Akira Muroi | Pipe joint |
| CN200960591Y (en) * | 2006-10-21 | 2007-10-17 | 江苏神通阀门有限公司 | Welding fixture |
| CN201529880U (en) * | 2009-10-27 | 2010-07-21 | 北京广厦环能科技有限公司 | Compression device of corrugated pipe head |
| CN102278561A (en) * | 2011-06-29 | 2011-12-14 | 北京宇航系统工程研究所 | Large-caliber long-span compensator for conveying pipe |
| CN202985001U (en) * | 2012-12-13 | 2013-06-12 | 上海航天精密机械研究所 | Positioning device for circular seam welding of corrugated tube compensator |
| CN203566163U (en) * | 2013-12-05 | 2014-04-30 | 国家电网公司 | Clamp for welding pipe bus |
| CN204800177U (en) * | 2015-07-02 | 2015-11-25 | 中国航天科技集团公司长征机械厂 | Corrugated expansion joint telescopic clamp utensil |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106976017A (en) * | 2015-10-23 | 2017-07-25 | 株式会社迪思科 | Tubular wrinkle cover |
| CN108857250A (en) * | 2018-06-28 | 2018-11-23 | 芜湖泰和管业股份有限公司 | A kind of compensator welding equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104959752B (en) | 2016-10-05 |
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Address after: 610199 Sichuan Chengdu economic and Technological Development Zone (Longquanyi District) 189 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 |