CN203732355U - Connecting device for heat exchange tube sealing pressure testing - Google Patents
Connecting device for heat exchange tube sealing pressure testing Download PDFInfo
- Publication number
- CN203732355U CN203732355U CN201420077422.4U CN201420077422U CN203732355U CN 203732355 U CN203732355 U CN 203732355U CN 201420077422 U CN201420077422 U CN 201420077422U CN 203732355 U CN203732355 U CN 203732355U
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- CN
- China
- Prior art keywords
- wedge
- cover
- friction sleeve
- heat exchanger
- tube body
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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.)
- Expired - Fee Related
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model relates to a connecting device for heat exchange tube sealing pressure testing. The connecting device comprises a tube body provided with a center through hole and a tube joint assembled at one end of the tube body. The connecting device is characterized in that a tapered end is arranged at the other end of the tube body, the tube body on the outer side of the tapered end is sleeved with a plurality of seal rings, the tube body on the outer sides of the sealing rings is sleeved with a friction sleeve, the tube body at two ends of friction sleeve is symmetrically sleeved with a first wedge sleeve and a second wedge sleeve respectively, and a pushing part is in screw thread fit with the tube body on the outer side of the second wedge sleeve. The connecting device is matched and sealed with the inner wall of a heat exchange tube, and is simple in structure, simple and convenient to operate, reliable to use and high in test work efficiency.
Description
Technical field
The utility model relates to the test of the fluid sealability of structure member, especially a kind of heat exchanger tube sealing load test connecting apparatus.
Background technology
Tubular heat exchanger is to be enclosed in the wall of restraining in the housing dividing wall type heat exchanger as heat-transfer area, mainly contains the part compositions such as housing, tube bank, tube sheet and end socket, and how rounded housing is, and bundle of parallel tubes is equipped with in inside, and tube bank two ends are fixed on tube sheet.In heat exchanger process, often need to be after tube bank and Tube-sheet Welding finish, adopt with manometric hydraulic pump single heat exchange tube is carried out to the hydraulic testing to detect assembly welding quality.Traditional method of testing is by the shutoff of heat exchanger tube one end with termination sprue, other end employing adds union nipple single copper pipe is communicated with to pressure testing, this method not only will consume a large amount of starting material, also need starting material to carry out machine work, and pressure test complicated operation, existing human and material resources input many, testing cost is high, test duration is long, ineffective disadvantage.
Summary of the invention
In order to overcome the deficiencies in the prior art, the utility model provide a kind of simple in structure, easy and simple to handle, use the heat exchanger tube sealing load test connecting apparatus reliable, testing efficiency is high.
The utility model solves the technical scheme that its technical matters adopts: a kind of heat exchanger tube sealing load test connecting apparatus, it comprises body, a pipe adapter with central through hole, described pipe adapter is assemblied on one end of body, it is characterized in that: it also comprises
One cone-shaped end, this cone-shaped end is arranged on the other end of described body;
Some sealing rings, described seal ring set is contained on the body in cone-shaped end outside;
One friction sleeve, this friction sleeve is sleeved on the body in sealing ring outside;
Two covers of wedge, i.e. the first cover of wedge and the second cover of wedge, described the first cover of wedge, the second cover of wedge symmetrical being sleeved on the body at friction sleeve two ends respectively, this first cover of wedge, the second cover of wedge stretch into friction sleeve inner side, force friction sleeve radial dilatation;
One impeller, this impeller threaded engagement is on the body in the second cover of wedge outside.
Above-mentioned a kind of heat exchanger tube sealing load test connecting apparatus, it also comprises a top cover, this top cover is sleeved on the body between the second cover of wedge and impeller.
Above-mentioned a kind of heat exchanger tube sealing load test connecting apparatus, it also comprises a locating part, this locating part threaded engagement is on the body of pipe adapter inner side, to pipe adapter axial limiting.
The utility model is sent into sealing ring, friction sleeve in the endoporus that need to test heat exchanger tube, screw impeller, by impeller and body threaded engagement, cone-shaped end moves in sealing ring, simultaneously the first cover of wedge, the second cover of wedge are to lateral movement in friction sleeve, sealing ring and friction disc are expanded rapidly, and sealing ring and heat exchanger tube inwall are adjacent to, thereby reach the effect of sealing; Friction disc and heat exchanger tube inwall close contact, thus play fixing effect, preventing that sealing ring from moving axially and depart from from the endoporus of heat exchanger tube, it uses reliable; Pipe adapter on its body other end can be connected with the out splice going splice of hydraulic pump easily, and it is easy and simple to handle.The utility model takes to design special frock and tube wall seals pressure testing, and while having solved single heat exchange tube pressure testing, with the problem that is fixedly connected with of testing apparatus, it is simple in structure, testing efficiency is high.
Brief description of the drawings
Below in conjunction with drawings and Examples, the utility model is described further.
Fig. 1 is a kind of structural front view of the present utility model.
In figure: 1. body, 2. central through hole, 3. pipe adapter, 4. locating part, 5. impeller, 6. top cover, 7. the second cover of wedge, 8. friction sleeve, 9. the first cover of wedge, 10. sealing ring, 11. cone-shaped ends.
Embodiment
In Fig. 1, a kind of heat exchanger tube sealing load test connecting apparatus, it comprises a body 1 and a pipe adapter 3, has the central through hole 2 of perforation on body 1, pipe adapter 3 Screw assemblies are on one end of body 1.
As shown in Figure 1, on the other end of body 1, be provided with a cone-shaped end 11.
On the body 1 in cone-shaped end 11 outsides, be set with three sealing rings 10.It should be noted that, the external diameter of sealing ring is determined size, tolerance and quantity according to the internal diameter of heat exchanger tube.
In Fig. 1, on the body 1 in sealing ring 10 outsides, be set with a friction sleeve 8, on the body 1 at friction sleeve 8 two ends, symmetry is set with the first cover of wedge 9 and the second cover of wedge 7 respectively, and this first cover of wedge 9, the second cover of wedge 7 stretch into friction sleeve 8 inner sides, can force friction sleeve 8 radial dilatation.
As shown in Figure 1, threaded engagement one impeller 5 on the body 1 in the second cover of wedge 7 outsides, this impeller 5 moves axially at body 1 through threaded engagement feeding with body 1.
Threaded engagement one locating part 4 on the body 1 of pipe adapter 3 inner sides.This locating part 4 can carry out axial limiting to pipe adapter 3 on the one hand, and in turn impeller 5 processes, employing instrument is proofreaied and correct locating part 4, can prevent that body 1 from rotating on the other hand.
More reliable in order to ensure that the utility model is fixedly connected with heat exchanger tube, and improve the structure of the first cover of wedge 9 and the second cover of wedge 7 and reduce production costs, on the body 1 between the second cover of wedge 7 and impeller 5, be set with a top cover 6.
Principle of work of the present utility model is: by body 1 and cone-shaped end 11, sealing ring 10, the first cover of wedge 9, friction sleeve 8, the second cover of wedge 7, top cover 6, impeller 5, locating part 4, pipe adapter 3 is assembled into one successively, then by cone-shaped end 11, sealing ring 10, the first cover of wedge 9, friction sleeve 8, the second cover of wedge 7 is sent in the endoporus of the heat exchanger tube that needs test, then screw impeller 5, impeller 5 is moved axially at body 1, at cone-shaped end 11, under the effect of top cover 6 axial forces, cone-shaped end 11 is to the interior motion of sealing ring 10, the first cover of wedge 9 simultaneously, the second cover of wedge 7 is to the interior lateral movement of friction sleeve 8, sealing ring 10 and friction disc 8 are expanded rapidly, sealing ring 10 is adjacent to heat exchanger tube inwall, thereby reach the effect of sealing, friction disc 8 and heat exchanger tube inwall close contact, thus play fixing effect, prevent that sealing ring 10 from moving axially the endoporus disengaging from heat exchanger tube, pipe adapter 3 on its body 1 is connected with the out splice going splice of hydraulic pump.
The utility model pairing is used, and can easily pressure test equipment be connected and sealed to single heat exchange tube, and it is easy and simple to handle, and result of use is good, and test job efficiency is high.
Claims (3)
1. a heat exchanger tube sealing load test connecting apparatus, it comprises body, a pipe adapter with central through hole, described pipe adapter is assemblied on one end of body, it is characterized in that: it also comprises
One cone-shaped end, this cone-shaped end is arranged on the other end of described body;
Some sealing rings, described seal ring set is contained on the body in cone-shaped end outside;
One friction sleeve, this friction sleeve is sleeved on the body in sealing ring outside;
Two covers of wedge, i.e. the first cover of wedge and the second cover of wedge, described the first cover of wedge, the second cover of wedge symmetrical being sleeved on the body at friction sleeve two ends respectively, this first cover of wedge, the second cover of wedge stretch into friction sleeve inner side, force friction sleeve radial dilatation;
One impeller, this impeller threaded engagement is on the body in the second cover of wedge outside.
2. a kind of heat exchanger tube sealing load test connecting apparatus according to claim 1, is characterized in that: it also comprises a top cover, and this top cover is sleeved on the body between the second cover of wedge and impeller.
3. a kind of heat exchanger tube sealing load test connecting apparatus according to claim 1 and 2, is characterized in that: it also comprises a locating part, and this locating part threaded engagement is on the body of pipe adapter inner side, to pipe adapter axial limiting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420077422.4U CN203732355U (en) | 2014-02-24 | 2014-02-24 | Connecting device for heat exchange tube sealing pressure testing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420077422.4U CN203732355U (en) | 2014-02-24 | 2014-02-24 | Connecting device for heat exchange tube sealing pressure testing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203732355U true CN203732355U (en) | 2014-07-23 |
Family
ID=51202418
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420077422.4U Expired - Fee Related CN203732355U (en) | 2014-02-24 | 2014-02-24 | Connecting device for heat exchange tube sealing pressure testing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203732355U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103792135A (en) * | 2014-02-24 | 2014-05-14 | 威海石岛重工有限公司 | Connecting device for sealing pressure test of heat exchange tube |
| CN108444808A (en) * | 2018-02-01 | 2018-08-24 | 东莞市联洲知识产权运营管理有限公司 | A kind of nozzle attachment device of automobile radiators pressure test |
-
2014
- 2014-02-24 CN CN201420077422.4U patent/CN203732355U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103792135A (en) * | 2014-02-24 | 2014-05-14 | 威海石岛重工有限公司 | Connecting device for sealing pressure test of heat exchange tube |
| CN108444808A (en) * | 2018-02-01 | 2018-08-24 | 东莞市联洲知识产权运营管理有限公司 | A kind of nozzle attachment device of automobile radiators pressure test |
| CN108444808B (en) * | 2018-02-01 | 2020-07-14 | 浙江中超新材料股份有限公司 | Pipe orifice connecting device for pressure test of automobile radiator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140723 Termination date: 20210224 |