CN203245533U - Pipe-pipe plate seal weld used pipe end adjusting device - Google Patents
Pipe-pipe plate seal weld used pipe end adjusting device Download PDFInfo
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- CN203245533U CN203245533U CN 201320291361 CN201320291361U CN203245533U CN 203245533 U CN203245533 U CN 203245533U CN 201320291361 CN201320291361 CN 201320291361 CN 201320291361 U CN201320291361 U CN 201320291361U CN 203245533 U CN203245533 U CN 203245533U
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- pipe
- adjusting device
- threaded rod
- seal weld
- slide bar
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Abstract
The utility model discloses a pipe-pipe plate seal weld used pipe end adjusting device which comprises a pipe pull-out tool and a pipe end butting tool, wherein the pipe pull-out tool comprises an expansion rod; the expansion rod comprises a slide bar and a threaded rod which are mutually butted; a bulge is arranged on one side of the slide bar away from the threaded rod; a fixing piece is arranged on one side of the slide bar near to the threaded rod; a sliding block is arranged between the bulge and the fixing piece on the slide bar in a sleeving manner; threads are formed in the threaded rod; an expansion nut with internal threads, a sliding sleeve with internal threads, an expansion sleeve, and a guiding head with internal threads are arranged on the threaded rod in sequence from the inside out in a sleeving manner; a handle is arranged at the end part of one end of the slide bar away from the threaded rod; the pipe end butting tool comprises a cylindrical body; a round platform with bevel edges is arranged at the end part of one end of the cylindrical body; a leading head is arranged at the end part of one end of the round platform away from the cylindrical body; the axes of the cylindrical body, the round platform and the leading head are overlapped.
Description
Technical field
The utility model relates to the pipe end adjusting device, a kind of pipe-pipe sheet seal weld pipe end adjusting device of particularly using for the pipe-pipe sheet seal weld of nuclear power nuclear island and conventional island heat exchange kind equipment.
Background technology
Since U.S.'s experiment breeder reactor in December nineteen fifty-one No. 1 (EBR-1) utilized nuclear energy power generation first, world nuclear is the developing history in existing more than 50 year so far.By the end of the end of the year in 2005, whole world nuclear power operating unit had more than 440.In Nuclear Power Industry, need a large amount of heat transmission equipments.
At present, pipe-pipe sheet seal weld adds intensity and expands in nuclear power nuclear island and the manufacturing of conventional island heat exchange kind equipment and extensive use in producing, it is swollen with its good high pressure resistant, anti-leak result that seal weld adds intensity, becomes the main connected mode of heat exchanger tube and tube sheet in nuclear power nuclear island and the conventional island heat transmission equipment.But in nuclear power nuclear island and conventional island heat transmission equipment manufacture process, the seal weld quality is one of main restricting factor of making, and heat exchanger tube and the adjustment of tube sheet relative position are the important steps of this principal element.Equipment now is difficult to guarantee the accuracy of the two pipe end relative position, is difficult to guarantee the accuracy of the two tube end position.
Because the existence of the problems referred to above, the inventor is studied and designs seal weld technology and pipe-pipe sheet seal weld technology now, can be accurately and fast in order to can produce, convenient the two relative position of adjustment pipe-pipe sheet, have simultaneously simple, the easy to operate a kind of pipe-pipe sheet seal weld pipe end adjusting device of result.
The utility model content
In order to address the above problem, the inventor has carried out with keen determination research, and found that: the involutory instrument of pipe puller and pipe end that arranges is adjusted the pipe end relative position of pipe-pipe sheet; The pipe puller comprises: expander roll, expander roll comprise slide bar and the threaded rod that is docking together, slide bar arranges projection away from a side of threaded rod, slide bar arranges fixture near a side of threaded rod, on the slide bar between projection and fixture sheathed slide block, screw thread is set on the threaded rod, sheathed successively from inside to outside on threaded rod have the swelling nut of internal thread, the sliding sleeve with internal thread, an expansion set, has the guide head of internal thread, and slide bar arranges handle away from the end of threaded rod one end; The involutory instrument of pipe end comprises: cylinder, and an end end of cylinder arranges the round platform with chamfering, and round platform arranges seeker away from the end of cylinder one end, and cylinder, round platform, seeker three axis are identical.Thereby finish the utility model.
The purpose of this utility model is to provide following aspect:
(1) a kind of pipe-pipe sheet seal weld pipe end adjusting device, it is characterized in that: this adjusting device comprises: be used for the pipe puller that pipe is extracted from tubesheet holes inside and be used for the involutory instrument of pipe end that the tube-to-tube sheet connection hole is involutory;
Wherein, the pipe puller comprises:
The involutory instrument of described pipe end comprises:
(2) such as above-mentioned (1) described a kind of pipe-pipe sheet seal weld pipe end adjusting device, it is characterized in that: described fixture 4 is hex nut.
(3) such as above-mentioned (1) described a kind of pipe-pipe sheet seal weld pipe end adjusting device, it is characterized in that: expansion set is for having flexible natural rubber.
(4) such as above-mentioned (1) described a kind of pipe-pipe sheet seal weld pipe end adjusting device, it is characterized in that:
Expansion set external diameter ratio is pulled out the little 0.5mm of ips, and expansion set length is 50～100mm.
(5) such as above-mentioned (1) described a kind of pipe-pipe sheet seal weld pipe end adjusting device, it is characterized in that: sliding sleeve and guide head are made by stainless steel, and the two external diameter ratio is pulled out the little 0.5mm of ips, and the end of the two is fillet.
(6) such as above-mentioned (1) described a kind of pipe-pipe sheet seal weld pipe end adjusting device, it is characterized in that: the chamfering of round platform is consistent with chamfering on the tubesheet holes.
(7) such as above-mentioned (6) described a kind of pipe-pipe sheet seal weld pipe end adjusting device, it is characterized in that: the involutory instrument round platform of pipe end endface position is that the heat exchanger tube pipe end is apart from its nearest side pipe plate surface relative position.
(8) such as above-mentioned (7) described a kind of pipe-pipe sheet seal weld pipe end adjusting device, it is characterized in that: on the seeker 9a breach is set,
Wherein, breach is along vertical setting of the involutory instrument of pipe end, and it is so that damaged surface has the cambered surface that concaves.
(9) such as above-mentioned (8) described a kind of pipe-pipe sheet seal weld pipe end adjusting device, it is characterized in that: the angle of breach is greater than 0 degree and less than 90 degree.
According to a kind of pipe-pipe sheet seal weld pipe end adjusting device that the utility model provides, can adjust fast, accurately and easily the relative position of pipe-pipe sheet pipe end, have simultaneously characteristics simple in structure, easy and simple to handle.
Description of drawings
Fig. 1 illustrates according to a kind of pipe-pipe sheet seal weld of the utility model preferred embodiment pipe end adjusting device schematic diagram;
Fig. 2 illustrates a kind of pipe-pipe sheet seal weld pipe puller schematic diagram in the pipe end adjusting device according to the utility model preferred embodiment;
Fig. 3 illustrates a kind of pipe-pipe sheet seal weld handle schematic diagram in the pipe end adjusting device according to the utility model preferred embodiment;
Fig. 4 illustrates a kind of pipe-pipe sheet seal weld slide block schematic diagram in the pipe end adjusting device according to the utility model preferred embodiment;
Fig. 5 a illustrates a kind of pipe-pipe sheet seal weld swelling nut schematic diagram in the pipe end adjusting device according to the utility model preferred embodiment;
Fig. 5 b illustrates the top view of using swelling nut in the pipe end adjusting device according to a kind of pipe-pipe sheet seal weld of the utility model preferred embodiment;
Fig. 6 illustrates a kind of pipe-pipe sheet seal weld expander roll schematic diagram in the pipe end adjusting device according to the utility model preferred embodiment;
Fig. 7 illustrates a kind of pipe-pipe sheet seal weld sliding sleeve schematic diagram in the pipe end adjusting device according to the utility model preferred embodiment;
Fig. 8 illustrates a kind of pipe-pipe sheet seal weld guide head schematic diagram in the pipe end adjusting device according to the utility model preferred embodiment;
Fig. 9 illustrates a kind of pipe-pipe sheet seal weld expansion set schematic diagram in the pipe end adjusting device according to the utility model preferred embodiment;
Figure 10 a illustrates a kind of pipe-pipe sheet seal weld involutory instrument schematic diagram of pipe end in the pipe end adjusting device according to the utility model preferred embodiment;
Figure 10 b illustrates a kind of pipe-pipe sheet seal weld involutory instrument schematic diagram of pipe end in the pipe end adjusting device according to the utility model preferred embodiment.
Description of reference numerals:
The 1-handle
The 2-slide block
The 3-expander roll
The 3a-projection
The 4-hex nut
5-swelling nut
The 6-sliding sleeve
The 7-expansion set
The 8-guide head
The 9-cylinder
The 9a-seeker
The 9b-sphere
The 9c-round platform
The specific embodiment
Below by the utility model is elaborated, characteristics of the present utility model and advantage will become more clear, clear and definite along with these explanations.
Here special-purpose word " exemplary " means " as example, embodiment or illustrative ".Here needn't be interpreted as being better than or being better than other embodiment as " exemplary " illustrated any embodiment.Although accompanying drawing unless otherwise indicated, needn't be drawn in proportion in the various aspects of embodiment shown in the drawings.
In according to a preferred embodiment of the present utility model, as shown in Fig. 1,2, a kind of pipe-pipe sheet seal weld pipe end adjusting device is provided, and this adjusting device comprises: be used for the pipe puller that pipe is extracted from tubesheet holes inside and be used for the involutory instrument of pipe end that the tube-to-tube sheet connection hole is involutory;
Wherein, the pipe puller comprises:
The involutory instrument of described pipe end comprises:
Wherein, the pipe puller is extracted from tubesheet holes for the heat exchanger tube that will not stretch out tube sheet.
The involutory instrument of pipe end is used for realizing the involutory of heat exchanger tube and tubesheet holes, and the auxiliary positioning welding of finishing pipe-pipe sheet, guarantees the seal weld quality.
One preferred embodiment in, as shown in Fig. 2-9, described expander roll is shaft-like, it comprises slide bar and the threaded rod of mutual docking, slide bar arranges projection away from threaded rod one side, and slide bar arranges fixture 4 near threaded rod one side, on the slide bar between projection and fixture sheathed slide block 2, screw thread is set, from inside to outside successively sheathed swelling nut 5, sliding sleeve 6, expansion set 7, guide head 8 on threaded rod on the threaded rod;
Wherein, fixture, swelling nut, sliding sleeve and guide head are connected with expander roll by screw thread respectively.
Wherein, slide block is placed on the slide bar of expander roll, and slide block is between projection and fixture, and it can be free to slide.Slide block is used for this extracting apparatus is extracted from tube sheet with pipe.Described fixture and projection are for stopping slide block, and anti-limited slip block comes off, and preferred, fixture is hex nut.
One preferred embodiment in, on the threaded rod of expander roll screw thread is set, from inside to outside successively sheathed swelling nut 5, sliding sleeve 6, expansion set 7, guide head 8 on screw thread,
Wherein, expansion set 7, critical component for the pipe puller, made by special rubber, expansion by expansion set 7 can make expansion set and heat exchanger tube inwall fit, utilize frictional force to realize the interlock of heat exchanger tube and pipe puller, push because expansion set need to experience repeatedly, therefore very high to the requirement of its elasticity recovery.Its external diameter guarantees that than the little about 0.5mm of ips expansion set can easily insert pipe.For making the existing certain swelling surplus of expansion set, there is again enough frictional force to drive pipe and moves, here, the thickness of preferred expansion set 7 is 3.5～4mm, length is 50～100mm.The specification of described expansion set can arrange a plurality of different expansion sets according to pipe specification difference.
Wherein, guide head 8 and sliding sleeve 6 are made by stainless steel respectively at the two ends of expansion set 7, can prevent from stainless steel heat exchange tube is polluted, and its external diameter is than the little 0.5～1mm of ips, and the end is fillet, scratch tube wall to prevent from entering in the heat exchange pore process.By fixing swelling nut 5, screw expander roll 3, make expansion set 7 be subject to the extruding of guide head 8 and sliding sleeve 6 and expand.By changing the distance between sliding sleeve 6 and the guide head, and then expansion set is pushed so that expansion set produces deformation, and then so that the pipe extracting apparatus pipe is extracted.
One preferred embodiment in, such as Figure 10 a, shown in the 10b, the involutory instrument of pipe end comprises: cylinder 9, one end end arrange the round platform 9c with chamfering, away from the end of cylinder one end seeker 9a are set at round platform, it is inner to be convenient to the Inserting Tube plate hole, the cylinder rear end is fillet 9b, can slightly knock by hand hammer handled easily.The chamfering of setting datum plane and matching with tubesheet holes chamfering form, the centering of realizing heat exchanger tube pipe end and tubesheet holes, and guarantee that the heat exchanger tube end is concordant with tubesheet holes chamfering root.
Wherein, the chamfering of round platform is consistent with chamfering in the tubesheet holes, and this kind setting is convenient to accurately that pipe and tube sheet is more involutory.
In further preferred embodiment, for the heat transmission equipment that the tack welding requirement is arranged, at the involutory instrument of pipe end breach is set before seal weld, be convenient to observe.
Wherein, described breach is along vertical setting of the involutory instrument of pipe end, i.e. the direction of Y-axis as shown in Figure 10 a, and described breach has the circular arc that caves inward in damaged surface, and this kind is arranged on pipe-pipe sheet and is convenient to situation by visual observation tubesheet holes inside when involutory.
In further preferred embodiment, the angle of breach is between 0 degree is spent to 90.
Below in conjunction with preferred embodiment to describing according to a kind of pipe-pipe sheet seal weld of the utility model preferred embodiment workflow with the pipe end adjusting device:
(1) workflow of pipe puller:
At first, guide head is inserted into the inside that is pulled out pipe, fixedly the swelling nut, screw expander roll, utilize sliding sleeve and guide head that expansion set is pushed, make expansion set and be pulled out tube wall to produce frictional force because of the bulbs of pressure, realize pipe puller and the interlock that is pulled out pipe.
Secondly, being pulled out pipe by the rear end annular projection drive of slide block impact expander roll extracts from tubesheet holes.
At last, after work was finished, fixedly the swelling nut unscrewed expander roll, extracts this pipe puller.
(2) workflow of the involutory instrument of pipe end:
At first, seeker is inserted into tubesheet holes inside.
Secondly, knock the afterbody of the involutory instrument of pipe end with hammer.So that the relative position between the tube-to-tube sheet connection is moved.So that pipe arrives the assigned address of tubesheet holes inside.
According to a kind of pipe-pipe sheet seal weld pipe end adjusting device that the utility model provides, can adjust fast, accurately and easily the relative position of pipe-pipe sheet pipe end, have simultaneously characteristics simple in structure, easy and simple to handle.
More than engage the specific embodiment and exemplary example the utility model is had been described in detail, but these explanations can not be interpreted as restriction of the present utility model.It will be appreciated by those skilled in the art that in the situation that does not depart from the utility model spirit and scope can carry out multiple replacement of equal value, modify or improve technical solutions of the utility model and embodiment thereof, these all fall in the scope of the present utility model.Protection domain of the present utility model is as the criterion with claims.
Claims (9)
1. pipe-pipe sheet seal weld pipe end adjusting device, it is characterized in that: this adjusting device comprises: be used for the pipe puller that pipe is extracted from tubesheet holes inside and be used for the involutory instrument of pipe end that the tube-to-tube sheet connection hole is involutory;
Wherein, the pipe puller comprises:
Expander roll (3), it comprises slide bar and the threaded rod of mutual docking, slide bar arranges projection (3a) away from a side of threaded rod, slide bar and threaded rod junction arrange fixture (4), sheathed slide block (2) between projection on the slide bar and fixture, screw thread is set on the threaded rod, the sheathed guide head (8) that has the swelling nut (5) of internal thread, the sliding sleeve (6) with internal thread, expansion set (7), has internal thread successively from inside to outside on the threaded rod, slide bar arranges handle (1) away from the end of an end of threaded rod;
The involutory instrument of described pipe end comprises:
Cylinder (9), one end end are provided with the round platform (9c) with chamfering, and round platform is provided with seeker (9a) away from an end end of cylinder, wherein cylinder, round platform and seeker three's dead in line.
2. a kind of pipe-pipe sheet seal weld pipe end adjusting device as claimed in claim 1, it is characterized in that: described fixture (4) is hex nut.
3. a kind of pipe-pipe sheet seal weld pipe end adjusting device as claimed in claim 1, it is characterized in that: expansion set is made by having flexible natural rubber.
4. a kind of pipe-pipe sheet seal weld pipe end adjusting device as claimed in claim 1, it is characterized in that: expansion set external diameter ratio is pulled out the little 0.5mm of ips, and expansion set length is 50～100mm.
5. a kind of pipe-pipe sheet seal weld pipe end adjusting device as claimed in claim 1, it is characterized in that: sliding sleeve and guide head are made by stainless steel, and the two external diameter ratio is pulled out the little 0.5mm of ips, and the end of the two is fillet.
6. a kind of pipe-pipe sheet seal weld pipe end adjusting device as claimed in claim 1 is characterized in that: the chamfering of round platform is consistent with chamfering on the tubesheet holes.
7. a kind of pipe-pipe sheet seal weld pipe end adjusting device as claimed in claim 6 is characterized in that: the involutory instrument round platform of pipe end endface position is that the heat exchanger tube pipe end is apart from its nearest side pipe plate surface relative position.
8. a kind of pipe-pipe sheet seal weld pipe end adjusting device as claimed in claim 7 is characterized in that: on the seeker (9a) breach is set,
Wherein, breach is along vertical setting of the involutory instrument of pipe end, and it is so that damaged surface has the cambered surface that concaves.
9. a kind of pipe-pipe sheet seal weld pipe end adjusting device as claimed in claim 8 is characterized in that: the angle of breach is greater than 0 degree and less than 90 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320291361 CN203245533U (en) | 2013-05-24 | 2013-05-24 | Pipe-pipe plate seal weld used pipe end adjusting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320291361 CN203245533U (en) | 2013-05-24 | 2013-05-24 | Pipe-pipe plate seal weld used pipe end adjusting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203245533U true CN203245533U (en) | 2013-10-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320291361 Expired - Lifetime CN203245533U (en) | 2013-05-24 | 2013-05-24 | Pipe-pipe plate seal weld used pipe end adjusting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203245533U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106736229A (en) * | 2016-12-01 | 2017-05-31 | 华电重工股份有限公司 | The restorative procedure and prosthetic device of a kind of conduit |
| CN113927135A (en) * | 2021-11-18 | 2022-01-14 | 沪东中华造船(集团)有限公司 | Method and device for realizing butt argon arc welding plugging of copper-nickel alloy pipe |
-
2013
- 2013-05-24 CN CN 201320291361 patent/CN203245533U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106736229A (en) * | 2016-12-01 | 2017-05-31 | 华电重工股份有限公司 | The restorative procedure and prosthetic device of a kind of conduit |
| CN106736229B (en) * | 2016-12-01 | 2019-03-15 | 华电重工股份有限公司 | A kind of restorative procedure and prosthetic device of conduit |
| CN113927135A (en) * | 2021-11-18 | 2022-01-14 | 沪东中华造船(集团)有限公司 | Method and device for realizing butt argon arc welding plugging of copper-nickel alloy pipe |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131023 |