CN203570221U - Quick connection end plug - Google Patents
Quick connection end plug Download PDFInfo
- Publication number
- CN203570221U CN203570221U CN201320508132.6U CN201320508132U CN203570221U CN 203570221 U CN203570221 U CN 203570221U CN 201320508132 U CN201320508132 U CN 201320508132U CN 203570221 U CN203570221 U CN 203570221U
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- cylinder portion
- quick connection
- end plug
- sealing
- sample pipe
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Abstract
The utility model provides a quick connection end plug. The quick connection end plug structurally comprises a cylinder portion A and a cylinder portion B, wherein the cylinder portion A and the cylinder portion B are connected concentrically, threads connected with a device are arranged on the inner wall of the cylinder portion A, a hoist hole is formed in the center of the end face of the cylinder portion A, the opening end of the cylinder portion B is provided with a connecting hole connected with a sample pipe, the periphery of the connecting hole is provided with a metal to metal sealing face and sealing threads, the periphery of the cylinder portion B is provided with a sealing pressing hole, and the sealing pressing hole is communicated with the top end of the connecting hole connected with the sample pipe through a communication hole. The quick connection end plug has the advantages that the defects, brought by welding, of labor intensity, long cycle, heat affected zone and interruption caused by breaking of a welding area are overcome, full-scale composite force evaluation tests of a 9.625 in bush in a steel grade such as L80, P110 and TP140V are carried out on the quick connection end plug, a circulation test is smoothly carried out according to standards of ISO 13679, and the situations that the tests are stopped due to thread breaking, unbalanced loading and the like do not occur in the tests.
Description
Technical field
The utility model relates to the full-scale evaluation test end plug of a kind of tubing and casing.
Background technology
End plug is the critical component that connects sample pipe and equipment while carrying out composite force test for tubing and casing, by end plug two ends, be connected with loading equipemtn with sample pipe respectively, realize the installation of sample pipe, and in process of the test, end plug bears same load with sample pipe, is also bearing the task of transmitted load.With welding manner, end plug was connected with experimental sample tube in the past, there are several shortcomings: welding job labour intensity large period is long, the concentricity of end plug and sample pipe to welding operator require high, weld up-to-date style pipe heat affected zone sample pipe performance had to harmful effect, during the bad loading of concentricity, may cause unbalance loading, sometimes also because fracture occurs in weld zone failure welding has to end test, larger on the impact of the full-scale evaluation test of tubing and casing.Based on above reason, be badly in need of a kind of employing thread connecting mode, and design corresponding frame for movement to adapt to the structure of thread connecting mode.
Summary of the invention
For structural deficiency in prior art, the purpose of this utility model is to provide a kind of quick connection port plug, avoids the harmful effect that welding brings, and utilizes the problems such as long labour intensity of solution cycle is large that are threaded.Concentric in order to avoid unbalance loading situation occurs to realize sample pipe and end plug, it is time saving and energy saving to connect fast.
For achieving the above object, the technical solution adopted in the utility model is to provide quick connection port plug, wherein: the structure of this quick connection port plug includes the cylinder A part mutually connecting with one heart, cylinder B part, in described cylinder A part wall, be provided with the screw thread with equipment connection, center at cylinder A end face is provided with hole for hoist, the openend of described cylinder B part is provided with the connecting hole being connected with sample pipe, the periphery of connecting hole is provided with metal to metal seal face and sealing thread, the perisporium of cylinder B is provided with sealing pressurizing port, the connecting hole top that sealing pressurizing port is connected with sample pipe by intercommunicating pore is connected.
Effect of the present utility model is to use this quick connection port plug, as long as experimental sample tube is processed into screw thread while being connected with end plug, be threaded with quick connection port plug, can make the concentricity of end plug and experimental sample tube better, abandoned the labour intensity that welding brings, cycle is long, heat affected zone, and the weld zone interruption causing etc. the shortcoming that ruptures, on sample pipe and end plug, machining screw completes on precise NC lathe, guarantee machining accuracy, concentricity etc., utilization is threaded, on accurate make-and-break test machine, end plug is connected with experimental sample tube, can realize sample pipe and end plug concentricity, and after upper button, metal to metal seal face can be realized doing in composite force test and press sealing blocking function between up-to-date style pipe and end plug.And fill in and gone the full-scale composite force evaluation test of 9.625in sleeve pipe of the grade of steels such as L80, P110, TP140V by this quick connection port, according to ISO13679 standard, carried out cyclic test smoothly, screw thread fracture, unbalance loading etc. have not occurred and the situation of termination test in test.
Accompanying drawing explanation
Fig. 1 is quick connection port plug schematic diagram of the present utility model;
Fig. 2 is Fig. 1 partial enlarged drawing;
Fig. 3 is the structural representation that the utility model connects sample pipe;
Fig. 4 is combined loading test machine schematic diagram.
In figure:
1, with equipment connection screw thread 2, sealing pressurizing port 3, metal to metal seal face
4, sealing thread 5,6,60 ° of metal to metal seal faces 7 of hole for hoist, intercommunicating pore
8, quick connection port plug 9, sample pipe 10, trapezoidal connection half-thread 11, monaural
The specific embodiment
By reference to the accompanying drawings the structure of quick connection port plug of the present utility model is illustrated.
As Figure 1-4, quick connection port plug of the present utility model, the structure of this quick connection port plug includes the cylinder A part, the cylinder B part that mutually connect with one heart, and described cylinder A part, cylinder B part concentricity are Φ 0.1.
In described cylinder A part wall, be provided with and the screw thread 1 of equipment connection, described and screw thread 1 equipment connection are trapezoidal thread.Center at cylinder A end face is provided with hole for hoist 5, the openend of described cylinder B part is provided with the connecting hole being connected with sample pipe, the periphery of connecting hole is provided with metal to metal seal face 3 and sealing thread 4, the perisporium of cylinder B is provided with sealing pressurizing port 2, and the connecting hole top that sealing pressurizing port 2 is connected with sample pipe by intercommunicating pore 7 is connected.Between described sealing pressurizing port 2 and intercommunicating pore 7, be provided with the metal to metal seal face 6 on 60 ° of inclined-planes.
Quick connection port plug 8 of the present utility model comprises and equipment connection screw thread 1, sealing pressurizing port 2, metal to metal seal face 3, sealing thread 4,5,60 ° of metal to metal seal faces 6 of hole for hoist, intercommunicating pore 7.Described connecting thread 1 is to be connected trapezoidal thread with combined loading test machine, this screw thread can directly be lying into testing machine and connect in trapezoidal half-thread, during installation, do not need to twist and connect screw thread, directly be put into and on testing machine, join screw-threaded engagement with equipment and can complete installation, connecting thread 1 is realized axial load transmission in test.Sealing pressurizing port 2 is for realizing pressing and design in beating in sample pipe, utilizes the sealing of metal inclined-plane, i.e. 60 ° of metal to metal seal faces 6, and be communicated with intercommunicating pore 7, high pressure gas/water can be passed in sample pipe, realize the bulge test to sample pipe.The connecting hole being connected with sample pipe on quick connection port plug 8 is provided with certain angle metal to metal seal face 3, when by setting on moment of torsion after button, on sample pipe, on metallic sealing section and end plug, between metallic sealing section 3, produce Elastic Contact stress, shutoff sample pipe two ends, end plug and sample pipe form overall high pressure resistant cavity.Sample pipe is carried out to bulge test, and sealing thread 4 connects end plug and sample pipe, realizes axial load transmission.Hole for hoist 5 is used while conveniently lifting while connecing for quick connection port plug 8 and sample pipe are stubborn, alignd with sample tube hub in quick connection port plug 8 centers, avoid twisting wrong button phenomenon and damage metal to metal seal face 3 and the sealing thread 4 meticulously processed, and finally on make-and-break test machine accurately on button, make the whole device after connecting possess sealing, connection, transmitted load function.
Quick connection port plug 8 of the present utility model adopts 42CrMo solid forging, and hardness is HRC35, and the high strength of material and the high tenacity of forging make the full-scale composite force evaluation test of the utility model applicable to multiple sample tube material, and reusable.
The utility model quick connection port plug 8 is in design and add the concentricity that adopts Φ 0.1 man-hour, guarantees that the unbalance loading that after quick connection port plug 8 is connected with sample pipe, welding mode may cause when loading occurs.
As shown in Figure 2, during installation, at hole for hoist, twist and connect corresponding lifting screw, with crane, quick connection port plug of the present utility model 8 is hand-tight with the sample pipe of Φ 244.48, then clip on make-and-break test machine and twist and connect according to certain moment of torsion, the other end is same, after having connected as shown in Figure 2.Again entirety is as shown in Figure 2 winched to pilot region on combined loading test machine, trapezoidal thread 1 on quick connection port plug 8 of the present utility model is lying into testing machine upper trapezoid and connects in half-thread 10, trapezoidal connection half-thread part 10 is connected with the monaural 11 on testing machine again, monaural 11 is last point of testing machine, this up-to-date style pipe, quick connection port plug 8, testing machine has just been linked to be an entirety, and on a center line, having realized sample pipe is connected with quick end plug, thereby make end plug and sample pipe integrated connection to testing machine, and the full-scale composite force evaluation test object that can transmit axial load and carry out bulge test.
Claims (3)
1. a quick connection port plug, it is characterized in that: the structure of this quick connection port plug includes cylinder (A) part mutually connecting with one heart, cylinder (B) part, in described cylinder (A) part wall, be provided with the screw thread (1) with equipment connection, center at cylinder (A) end face is provided with hole for hoist (5), the openend of described cylinder (B) part is provided with the connecting hole being connected with sample pipe, the periphery of connecting hole is provided with metal to metal seal face (3) and sealing thread (4), the perisporium of cylinder (B) is provided with sealing pressurizing port (2), the connecting hole top that sealing pressurizing port (2) is connected with sample pipe by intercommunicating pore (7) is connected.
2. quick connection port plug according to claim 1, is characterized in that: described and screw thread (1) equipment connection is trapezoidal thread.
3. quick connection port plug according to claim 1, is characterized in that: the metal to metal seal face (6) that is provided with 60 ° of inclined-planes between described sealing pressurizing port (2) and intercommunicating pore (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320508132.6U CN203570221U (en) | 2013-08-20 | 2013-08-20 | Quick connection end plug |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320508132.6U CN203570221U (en) | 2013-08-20 | 2013-08-20 | Quick connection end plug |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203570221U true CN203570221U (en) | 2014-04-30 |
Family
ID=50537955
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320508132.6U Expired - Lifetime CN203570221U (en) | 2013-08-20 | 2013-08-20 | Quick connection end plug |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203570221U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104295853A (en) * | 2014-09-26 | 2015-01-21 | 天津钢管集团股份有限公司 | Blocking end plug for external pressure gas sealing test of pipes |
| CN109253914A (en) * | 2018-07-24 | 2019-01-22 | 中国石油天然气集团有限公司 | A kind of threaded connection carrying sealing device for the full-scale evaluation test of tubing |
-
2013
- 2013-08-20 CN CN201320508132.6U patent/CN203570221U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104295853A (en) * | 2014-09-26 | 2015-01-21 | 天津钢管集团股份有限公司 | Blocking end plug for external pressure gas sealing test of pipes |
| CN104295853B (en) * | 2014-09-26 | 2016-04-06 | 天津钢管集团股份有限公司 | The shutoff end plug of tubing external pressure hermetic seal test |
| CN109253914A (en) * | 2018-07-24 | 2019-01-22 | 中国石油天然气集团有限公司 | A kind of threaded connection carrying sealing device for the full-scale evaluation test of tubing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190627 Address after: No. 396 Jintang Highway, Dongli District, Tianjin 300301 Patentee after: Tianjin Steel Tube Manufacturing Co.,Ltd. Address before: No. 396 Jintang Highway, Dongli District, Tianjin 300301 Patentee before: TIANJIN PIPE (GROUP) Corp. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140430 |