CN202877408U - Simple high pressure liquid expanding tube device - Google Patents
Simple high pressure liquid expanding tube device Download PDFInfo
- Publication number
- CN202877408U CN202877408U CN 201220569530 CN201220569530U CN202877408U CN 202877408 U CN202877408 U CN 202877408U CN 201220569530 CN201220569530 CN 201220569530 CN 201220569530 U CN201220569530 U CN 201220569530U CN 202877408 U CN202877408 U CN 202877408U
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- Prior art keywords
- joint
- pressure
- sealing
- pressure head
- hole
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- 239000007788 liquid Substances 0.000 title claims abstract description 23
- 238000007789 sealing Methods 0.000 claims abstract description 36
- 238000005219 brazing Methods 0.000 claims abstract description 8
- 239000012530 fluid Substances 0.000 claims description 6
- 238000000034 method Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000010412 perfusion Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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Abstract
本实用新型公开了一种简易高压液体胀管装置，包括液压泵、高压胶管、管道开关、溢流阀、压力表、接头、密封压头和底座；高压胶管一端连接液压泵，另一端与接头连接；从液压泵到接头之间的高压胶管上依次设有管道开关、溢流阀和压力表；接头中心开有通孔，通孔的一端设有螺纹，通过该螺纹与高压胶管螺纹密封连接；接头的一端固定在底座上，另一端设有凹形内腔，在凹形内腔设有沟槽，沟槽放置密封圈；密封压头中心设有通孔，通孔内穿过沟槽管，采用钎焊方式将密封压头与沟槽管紧固；密封压头设置在接头的凹形内腔中，封压头紧固在接头上。本实用新型实现对沟槽管进行密封，及对液压胀型压力控制，其结构简单，易于实现，操作方便可靠。
The utility model discloses a simple high-pressure liquid pipe expansion device, which comprises a hydraulic pump, a high-pressure rubber hose, a pipeline switch, an overflow valve, a pressure gauge, a joint, a sealing pressure head and a base; one end of the high-pressure rubber hose is connected with the hydraulic pump, and the other end is connected with the joint Connection; the high-pressure hose from the hydraulic pump to the joint is provided with a pipeline switch, overflow valve and pressure gauge in sequence; a through hole is opened in the center of the joint, and one end of the through hole is provided with a thread, through which the thread is sealed with the high-pressure hose thread ; One end of the joint is fixed on the base, and the other end is provided with a concave inner cavity, and a groove is arranged in the concave inner cavity, and a sealing ring is placed in the groove; a through hole is arranged in the center of the sealing pressure head, and the through hole passes through the groove The sealing head is fastened to the grooved pipe by brazing; the sealing head is set in the concave inner cavity of the joint, and the sealing head is fastened on the joint. The utility model realizes the sealing of the grooved pipe and the pressure control of the hydraulic expansion type, and has a simple structure, is easy to realize, and is convenient and reliable in operation.
Description
Technical field
The utility model relates to the hydraulic expanding tube technical field, specifically relates to a kind of easy high pressure pipe-expanding device, is used for the clamping of fin fluted tube, fixing, sealing and swollen type.
Background technology
Along with petrochemical industry, the develop rapidly of the industries such as electric power, thus so that pipe shell type heat exchange equipment has more widely application, the tube bank of this class heat exchange equipment is to be formed by connecting by many heat transfer tube-to-tube sheet connections.What China mainly used at present is the mechanical expanding method of attachment.Mechanical expanding is owing to being subject to the restriction of caliber and tube expander length, it is higher that the total length of the expanded joint degree of depth and expand tube is difficult for slip too large and the mechanical expanding pipe end, the quality of expanded joint quality determines by human factor fully, requires very high and manipulation strength is large to operative employee's technical ability aspect.Hydraulic expanding tube is to utilize hydraulic pressure to be the expansion tube method of power, namely makes tube wall produce static uniform internal pressure so that tube wall deforms by perfusion highly pressurised liquid in sleeve pipe, and can recover distortion under the effect of fluid fatigue load.The relative mechanical expanding of hydraulic expanding tube, its expanded joint stress equilibrium, expanded joint length is large, the expanded joint caliber size is large, high efficiency, and expanded joint is stable, and process yield is high.And the difficulty of hydraulic expanding tube is the process of expand tube, must the good seal pipe, and do not allow liquid that leakage is arranged, also to control the pressure size of expanded joint simultaneously well.Therefore proposing a kind of simple and easy reliable highly pressurised liquid pipe-expanding device seems significant.
The utility model content
The purpose of this utility model just is to overcome the shortcoming of prior art, proposes a kind of leak of liquid that do not have, the simple high-voltage liquid pipe-expanding device that pressure control is good.
The utility model is with highly pressurised liquid and fluted tube sealing, and utilization passes into highly pressurised liquid swells fluted tube, and its surface closely is connected with fin, and it is simple in structure, is easy to realize convenient and reliable operation.The utility model utilization sealing pressure head pushes sealing ring, makes it produce strain, with pipe interior environment and external environment isolation; And by regulation relief valve, stablize certain pressure, swollen type result is controlled.
The purpose of the utility model patent is achieved through the following technical solutions:
A kind of simple high-voltage liquid pipe-expanding device comprises hydraulic pump, high-pressure rubber pipe, pipe switch, overflow valve, Pressure gauge, joint, sealing pressure head and base; High-pressure rubber pipe one end connecting fluid press pump, the other end is connected with joint; Be provided with successively pipe switch, overflow valve and Pressure gauge on the high-pressure rubber pipe between from the hydraulic pump to the joint; The joint center has through hole, and an end of through hole is provided with screw thread, is connected with high-pressure rubber pipe 2 thread seals by this screw thread; One end of joint is fixed on the base, and the other end is provided with the spill inner chamber, is provided with groove at the spill inner chamber, and groove is placed sealing ring;
Sealing pressure head center is provided with through hole, passes fluted tube in the through hole, and the employing brazing mode will seal pressure head and fluted tube is fastening, realizes seamless link; Clear size of opening is determined according to the fluted tube caliber; The sealing pressure head is arranged in the spill inner chamber of joint, and the envelope pressure head is fastened on the joint.
For further realizing the utility model purpose, an end of joint wants the candidate to be fixed on the base by bolt-connection.
The sealing pressure head preferably by screw fastening on joint.
The through-hole diameter of sealing pressure head equals the fluted tube external diameter.
Groove is the annulus groove; The dimensional parameters of groove is regulated according to demand.
On joint, get through the hole and match with fluted tube by its center by screw fastening for the utility model sealing pressure head, and the employing brazing mode will seal pressure head and fluted tube is fastening, realizes seamless link.Clear size of opening is determined according to the fluted tube caliber.
Described base is used for anchor tip and band fin fluted tube, prevents that simultaneously unexpected fluted tube from flying out, and has certain protective role.
Described joint inner chamber groove dimensions parameter can be regulated according to demand, has certain flexibility.
Advantage of the present utility model and good effect:
(1) a kind of simple high-voltage liquid pipe-expanding device seals fluted tube, utilizes highly pressurised liquid to make fluted tube expanded joint fin, and it is simple in structure, is easy to realize convenient and reliable operation.
(2) the utility model adopts brazing mode will seal pressure head to be connected firm and reliable connection, good airproof performance, easy realization with fluted tube.Its clear size of opening is determined according to the fluted tube caliber, can realize the expanded joint of different tube diameters fluted tube, has certain flexibility.
Description of drawings
Fig. 1 is the three-dimensional structure schematic diagram of the utility model device embodiment;
Fig. 2 is band fin fluted tube and fluid pressure line Connection Element explosive view;
Fig. 3 is the utility model joint design schematic diagram.
The specific embodiment
For more understanding the utility model, below in conjunction with accompanying drawing the utility model is further described, but embodiment of the present utility model is not limit so.
As shown in Figure 1, 2, a kind of simple high-voltage liquid pipe-expanding device comprises hydraulic pump 1, high-pressure rubber pipe 2, pipe switch 3, overflow valve 4, Pressure gauge 5, joint 6, sealing pressure head 7 and base 8; High-pressure rubber pipe 2 one end connecting fluid press pumps 1, the other end is connected with joint 6; Be provided with successively pipe switch 3, overflow valve 4 and Pressure gauge 5 on the high-pressure rubber pipe 2 from hydraulic pump 1 to joint 6; As shown in Figure 3, joint 6 centers have through hole, and an end of through hole is provided with screw thread, are connected with high-pressure rubber pipe 2 thread seals by this screw thread; One end of joint 6 is fixed on the base 8 by bolt-connection, and the other end is provided with the spill inner chamber, cooperates with sealing pressure head 7, is provided with groove 12 at the spill inner chamber, and groove 12 is placed sealing ring 11.
Base 8 is used for anchor tip 6 and the fluted tube 10 of placing with fin 9, prevents that simultaneously the fluted tube accident from flying out, and has certain protective role.
Groove 12 is preferably annulus groove 12; The dimensional parameters of groove 12 can be regulated according to demand, has certain flexibility.
The utility model is stablized certain pressure by regulation relief valve 4, and swollen type result is controlled.
The course of work of the utility model device is as follows: manually fin 9 is penetrated fluted tube 10, at fluted tube 10 openings one end, utilize brazing mode will seal pressure head 7 and closely be connected with fluted tube, the station of then packing into, and will seal sealing ring 11 on pressure head 7 pressed joints 6 by the screw fastening effect; Primer fluid press pump 1, opening conduits switch 3, regulation relief valve 4 are to certain pressure, and Pressure gauge 5 shows pressure parameter, keeps 30-60s, and hydraulic expanding type is complete, and whole process is finished in dismounting.
The utility model utilizes simple high-voltage liquid pipe-expanding device that fluted tube is sealed, and utilizes highly pressurised liquid to make fluted tube expanded joint fin, and it is simple in structure, is easy to realize convenient and reliable operation.
The utility model employing brazing mode will seal pressure head and be connected with fluted tube, firm and reliable connection, and good airproof performance is easily realized.
The clear size of opening of the utility model sealing pressure head 7 is determined according to the fluted tube caliber, can realize the expanded joint of different tube diameters fluted tube, has good flexibility.
In the utility model device, by the high-pressure rubber pipe conveying high-pressure liquid that is connected with hydraulic pump, be connected by gas thread between pipeline and each element, connected mode is not firmly, reliably, leak; Between sealing pressure head and joint contact surfaces, add sealing ring, utilize the sealing ring plastic deformation to prevent leak of liquid, simple in structure, reliable.
Claims (5)
1. a simple high-voltage liquid pipe-expanding device is characterized in that, comprises hydraulic pump, high-pressure rubber pipe, pipe switch, overflow valve, Pressure gauge, joint, sealing pressure head and base; High-pressure rubber pipe one end connecting fluid press pump, the other end is connected with joint; Be provided with successively pipe switch, overflow valve and Pressure gauge on the high-pressure rubber pipe between from the hydraulic pump to the joint; The joint center has through hole, and an end of through hole is provided with screw thread, is connected with the high-pressure rubber pipe thread seal by this screw thread; One end of joint is fixed on the base, and the other end is provided with the spill inner chamber, is provided with groove at the spill inner chamber, and groove is placed sealing ring;
Sealing pressure head center is provided with through hole, passes fluted tube in the through hole, and the employing brazing mode will seal pressure head and fluted tube is fastening, realizes seamless link; Clear size of opening is determined according to the fluted tube caliber; The sealing pressure head is arranged in the spill inner chamber of joint, and the envelope pressure head is fastened on the joint.
2. simple high-voltage liquid pipe-expanding device according to claim 1, it is characterized in that: an end of joint is fixed on the base by bolt-connection.
3. simple high-voltage liquid pipe-expanding device according to claim 1 is characterized in that: the sealing pressure head by screw fastening on joint.
4. simple high-voltage liquid pipe-expanding device according to claim 1 is characterized in that: the through-hole diameter of sealing pressure head equals the fluted tube external diameter.
5. a kind of simple high-voltage liquid pipe-expanding device according to claim 1, it is characterized in that: groove is the annulus groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220569530 CN202877408U (en) | 2012-10-31 | 2012-10-31 | Simple high pressure liquid expanding tube device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220569530 CN202877408U (en) | 2012-10-31 | 2012-10-31 | Simple high pressure liquid expanding tube device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202877408U true CN202877408U (en) | 2013-04-17 |
Family
ID=48068874
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220569530 Expired - Fee Related CN202877408U (en) | 2012-10-31 | 2012-10-31 | Simple high pressure liquid expanding tube device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202877408U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102921821A (en) * | 2012-10-31 | 2013-02-13 | 华南理工大学 | High-pressure liquid tube expanding device for fin arrangement |
-
2012
- 2012-10-31 CN CN 201220569530 patent/CN202877408U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102921821A (en) * | 2012-10-31 | 2013-02-13 | 华南理工大学 | High-pressure liquid tube expanding device for fin arrangement |
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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 |
Granted publication date: 20130417 Termination date: 20151031 |
|
| EXPY | Termination of patent right or utility model |