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 head
- tube
- pressure
- hole
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- Expired - Fee Related
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Abstract
The utility model discloses a simple high pressure liquid expanding tube device. The device comprises a hydraulic pressure pump, a high pressure rubber tube, a pipeline switch, an overflow valve, a pressure gage, a connector, a sealing pressure head and a base, wherein one end of the high pressure rubber tube is connected with the hydraulic pressure pump, and the other end of the high pressure rubber tube is connected with the connector; the pipeline switch, the overflow valve and the pressure gage are arranged on the high pressure rubber tube from the hydraulic pressure pump to the connector in sequence; a through hole is formed in the center of the connector, threads are arranged at one end of the through hole, and the through hole is connected with the high pressure rubber tube through the threads in a sealed mode; one end of the connector is fixed on the base, a concave inner cavity is arranged at the other end of the connector, a groove is formed in the concave inner cavity, and a seal ring is placed on the groove; a through hole is formed in the center of the sealing pressure head and internally penetrates through a groove tube, and the sealing pressure head and the groove tube are fastened by means of using of a brazing mode; and the sealing pressure head is arranged in the concave inner cavity of the connector and fastened on the connector. According to the simple high pressure liquid expanding tube device, sealing of the groove tube and control of hydraulic pressure expanding type pressure are achieved. The simple high pressure liquid expanding tube device is simple in structure, easy to achieve, convenient to operate, and reliable.
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 |