CN215448421U - Pipe joint strength detection structure - Google Patents
Pipe joint strength detection structure Download PDFInfo
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- CN215448421U CN215448421U CN202120567681.5U CN202120567681U CN215448421U CN 215448421 U CN215448421 U CN 215448421U CN 202120567681 U CN202120567681 U CN 202120567681U CN 215448421 U CN215448421 U CN 215448421U
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- pipe joint
- cylinder barrel
- detection cavity
- hydraulic interface
- detection
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Abstract
The utility model relates to a pipe joint strength detection structure, and belongs to the technical field of bridge cables. The detection device comprises a hollow cylinder barrel (1), wherein a hydraulic interface (3) is arranged on the cylinder barrel (1), a pipe joint (2) is arranged in the cylinder barrel (1) in a penetrating mode, an annular detection cavity is formed between the outer wall of the pipe joint (2) and the inner wall of the cylinder barrel (1), sealing elements (4) are arranged at two ends of the detection cavity respectively to seal the detection cavity, and the hydraulic interface (3) is communicated with the detection cavity; the hydraulic interface (3) is connected with a hydraulic pump. This application can detect the intensity of the material that coupling chooseed for use, has avoided coupling to take place to warp during the active service.
Description
Technical Field
The utility model relates to a pipe joint strength detection structure, and belongs to the technical field of bridge cables.
Background
Important indexes for controlling the internal environment of the steel structure bridge relate to humidity, temperature and air pressure. The dehumidification system is adopted to carry out drying dehumidification and corrosion prevention in the large steel structure bridge, so that the relative humidity of air contacting with the inside of all steel bodies is controlled in a low-humidity range, the possibility of corrosion and rust in the steel box girder, the anchor chamber, the saddle chamber, the cable and the cable tower is reduced, and the design life and safe use of the bridge are ensured.
At present, the air supply pipeline is arranged in the main cable, so that moisture in the main cable is removed, and the corrosion of the moisture to the steel wire of the main cable is reduced. The air supply pipeline comprises a plurality of air supply pipes and pipe joints, and the adjacent air supply pipes are communicated through the pipe joints. The strength of the selected material of the pipe joint needs to be detected in advance, and if the strength of the selected material of the pipe joint is too low, the selected material of the pipe joint deforms during service, so that the service condition of the air supply pipeline is influenced.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is to provide a pipe joint strength detection structure aiming at the prior art, which is used for detecting the strength of a material selected by a pipe joint and avoiding the deformation of the pipe joint in a service period.
The technical scheme adopted by the utility model for solving the problems is as follows: a pipe joint strength detection structure comprises a hollow cylinder barrel, wherein a hydraulic interface is arranged on the cylinder barrel, the interior of the cylinder barrel is used for penetrating a pipe joint, an annular detection cavity is formed between the outer wall of the pipe joint and the inner wall of the cylinder barrel, sealing pieces are respectively arranged at two ends of the detection cavity to seal the detection cavity, and the hydraulic interface is communicated with the detection cavity; the hydraulic interface is connected with a hydraulic pump.
The hydraulic interface is arranged close to the axial middle position of the detection cavity, so that uniform pressure is guaranteed to be applied to the detection cavity.
Two annular grooves are respectively formed in the inner walls of the two ends of the cylinder barrel, and the sealing element is arranged in the annular grooves and used for fixing the sealing element and preventing sliding.
Compared with the prior art, the utility model has the advantages that: a pipe joint strength detection structure is characterized in that the inner diameter and the outer diameter of a pipe joint before pressurization and after pressurization are compared, if the inner diameter and the outer diameter of the pipe joint before pressurization and after pressurization are the same, the strength of a material selected for the pipe joint meets requirements, and otherwise, the strength of the material selected for the pipe joint cannot meet the requirements. This application can detect the intensity of the material that coupling chooseed for use, has avoided coupling to take place to warp during the active service.
Drawings
FIG. 1 is a schematic diagram of a pipe joint strength detection structure according to an embodiment of the present invention;
FIG. 2 is a cross-sectional view A-A of FIG. 1;
in the figure, 1 cylinder barrel, 2 pipe joints, 3 hydraulic interfaces and 4 sealing elements are arranged.
Detailed Description
The utility model is described in further detail below with reference to the accompanying examples.
As shown in fig. 1 and 2, the pipe joint strength detection structure in this embodiment includes a hollow cylinder barrel 1, a hydraulic interface 3 is provided at the middle portion of the cylinder barrel 1, a pipe joint 2 horizontally penetrates through the cylinder barrel 1, an annular detection cavity is formed between the outer peripheral wall of the pipe joint 2 and the inner peripheral wall of the cylinder barrel 1, and sealing members 4 are respectively provided at two ends of the detection cavity to seal the detection cavity. The hydraulic interface 3 is connected with a hydraulic pump.
The inner wall of the cylinder barrel 1 is symmetrically provided with annular grooves, and the sealing elements 4 are arranged in the annular grooves.
The detection method comprises the following steps:
1. depending on the material of the pipe joint, from materialFinding out the stress intensity sigma corresponding to the material in the standard according to a formula
And calculating a test pressure P value, wherein sigma is the stress intensity of the material, t is the thickness of the pipe joint at the test part, and d is the outer diameter of the pipe joint at the test part.
2. And measuring the inner diameter and the outer diameter of the pipe joint.
3. And opening the hydraulic pump, loading to a test pressure, and maintaining the pressure for 5-10 minutes.
4. And unloading the hydraulic pump, taking out the test pipe joint, and measuring the inner diameter value and the outer diameter value of the pipe joint again.
5. If the inner diameter value and the outer diameter value of the pressurized pipe joint are equal to those of the pipe joint before the test, the pipe joint is not deformed, the strength of the selected material of the pipe joint meets the requirement, and the material is selected correctly; if the parameters before the test are not equal, the pipe joint deforms, and the strength of the material selected for the pipe joint is too low to meet the requirement.
This application can detect the intensity of the material that coupling chooseed for use, has avoided coupling to take place to warp during the active service.
In addition to the above embodiments, the present invention also includes other embodiments, and any technical solutions formed by equivalent transformation or equivalent replacement should fall within the scope of the claims of the present invention.
Claims (3)
1. The utility model provides a coupling intensity detects structure which characterized in that: the detection device comprises a hollow cylinder barrel (1), wherein a hydraulic interface (3) is arranged on the cylinder barrel (1), a pipe joint (2) is arranged in the cylinder barrel (1) in a penetrating mode, an annular detection cavity is formed between the outer wall of the pipe joint (2) and the inner wall of the cylinder barrel (1), sealing elements (4) are arranged at two ends of the detection cavity respectively to seal the detection cavity, and the hydraulic interface (3) is communicated with the detection cavity; the hydraulic interface (3) is connected with a hydraulic pump.
2. The pipe joint strength detecting structure according to claim 1, wherein: the hydraulic interface (3) is arranged close to the axial middle position of the detection cavity.
3. The pipe joint strength detecting structure according to claim 1, wherein: two annular grooves are formed in the inner walls of the two ends of the cylinder barrel (1) respectively, and the sealing element (4) is arranged in the annular grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120567681.5U CN215448421U (en) | 2021-03-19 | 2021-03-19 | Pipe joint strength detection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120567681.5U CN215448421U (en) | 2021-03-19 | 2021-03-19 | Pipe joint strength detection structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215448421U true CN215448421U (en) | 2022-01-07 |
Family
ID=79703032
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120567681.5U Active CN215448421U (en) | 2021-03-19 | 2021-03-19 | Pipe joint strength detection structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215448421U (en) |
-
2021
- 2021-03-19 CN CN202120567681.5U patent/CN215448421U/en active Active
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