CN209802868U - Pipeline pressure testing device - Google Patents
Pipeline pressure testing device Download PDFInfo
- Publication number
- CN209802868U CN209802868U CN201920249781.6U CN201920249781U CN209802868U CN 209802868 U CN209802868 U CN 209802868U CN 201920249781 U CN201920249781 U CN 201920249781U CN 209802868 U CN209802868 U CN 209802868U
- Authority
- CN
- China
- Prior art keywords
- pipeline
- strain gauge
- tested
- testing device
- pressure testing
- Prior art date
- 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.)
- Active
Links
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model provides a pipeline pressure test device, pipeline pressure test device includes: the device comprises a pressurizing pump, a high-pressure water pipe, a strain gauge, a dial indicator, a strain gauge, terminal equipment and a pressure gauge; the pressure gauge is arranged on the high-pressure water pipe and used for measuring the pressure value in the pipe; the booster pump is connected to a pipeline to be tested through a high-pressure water pipe; the strain gauge and the dial indicator are arranged on a pipeline to be measured, the strain gauge is connected to the strain gauge through a first connecting line, and the dial indicator is connected to the strain gauge through a second connecting line; the strain gauge is connected to the terminal equipment through a third connecting line and uploads deformation data of the pipeline to be tested to the terminal equipment. The utility model provides a pipeline pressure testing arrangement is applied to the pipeline under pressure of different specifications and type, has stronger commonality, and mutual independence, easily dismantles and transports between each part moreover.
Description
Technical Field
The utility model relates to an industry pipeline safety aassessment technical field especially relates to a pipeline pressure test device.
Background
The pressure pipeline is widely applied, major accidents can be caused once the pressure pipeline is broken, particularly, the part with defects becomes a pipeline weak link under the action of load, and the bearing capacity of the pipeline is weakened, so that the analysis of the limit bearing capacity of the pipeline has very important significance for guaranteeing the safety of the pipeline and reducing the economic loss. The experimental method is used for solving the limit load value under the real service condition of the pipeline, and plays a decisive role in the safety evaluation of the pipeline. For example, patent document CN105403389A discloses a method for testing local bending and pressure-bearing performance of a pipeline, which is used for acquiring strain data of a pipeline test piece by simulating the combined action of hydrostatic pressure and bending load applied to the pipeline in the deep water laying process, so as to test the pressure-bearing performance of the pipeline in a bending state.
Generally, the existing pipeline pressure testing scheme generally has the defects of poor universality, inconvenience in disassembly, inconvenience in transportation, unreasonable design and the like. In addition, the pipeline may explode during testing, and certain potential safety hazards exist.
disclosure of Invention
The utility model aims to solve the technical problem that the ubiquitous commonality of present pipeline pressure test scheme is relatively poor, dismantle inconvenient, transport defects such as inconvenient, the design is unreasonable, the data credibility is not high. In addition, the pipeline may explode during testing, and certain potential safety hazards exist.
The pipeline pressure test device includes: the device comprises a pressurizing pump, a high-pressure water pipe, a strain gauge, a dial indicator, a strain gauge, terminal equipment and a pressure gauge;
The pressure gauge is arranged on the high-pressure water pipe and used for measuring the pressure value in the pipe; the booster pump is connected to a pipeline to be tested through a high-pressure water pipe; the strain gauge and the dial indicator are arranged on a pipeline to be measured, the strain gauge is connected to the strain gauge through a first connecting line, and the dial indicator is connected to the strain gauge through a second connecting line; the strain gauge is connected to the terminal equipment through a third connecting line and uploads deformation data of the pipeline to be tested to the terminal equipment.
Further, the pipeline pressure testing device is also provided with a camera for monitoring the testing process; the camera is connected to the terminal equipment through a fourth connecting line, and uploads the video data to the terminal equipment.
Further, the pipeline pressure testing device is provided with a plurality of strain gauges and a plurality of dial indicators and is used for measuring deformation of a plurality of positions on the outer wall of the pipeline to be tested.
Furthermore, the pipeline pressure testing device is also provided with a fixing frame for fixing the pipeline to be tested;
The fixed frame is provided with an upper bracket positioned at the upper side and a lower bracket positioned at the lower side; the upper support and the lower support are triangular supports and are connected through a support rod piece; two ends of the support rod piece are respectively fixed at the positions of the upper bracket and the lower bracket triangle;
The fixed frame is also provided with a fixed rod piece; the fixed rod piece limits the pipeline to be tested at one corner of the upper support and the lower support.
Furthermore, the upper support and the lower support are respectively and correspondingly provided with a fixing rod piece, the fixing rod piece is provided with a strip-shaped through groove for a bolt to pass through in the length direction, and the upper support, the lower support and the fixing rod piece are fixed together through bolts.
Furthermore, two extension rod pieces are fixed on one side of the lower support far away from the pipeline to be measured; the two extending rod pieces are provided with balancing weights.
furthermore, the upper support, the lower support, the fixed rod piece, the supporting rod piece and the extending rod piece are all made of aluminum alloy sections and are connected at each connecting position by using corner pieces.
furthermore, the pipeline to be measured is sleeved with a buffering protective sleeve at the place contacting with the fixing frame.
Furthermore, one end of the pipeline to be tested is provided with a water inlet, and the other end of the pipeline to be tested is provided with a water outlet.
the application provides a pipeline pressure testing device, wherein the pipeline pressure testing device comprises a pressure pump, a high-pressure water pipe, a strain gauge, a dial indicator, a strain gauge, terminal equipment and a pressure gauge; the pressure pump pressurizes the pipeline to be measured through the high-pressure water pipe, and the strain gauge and the dial indicator are arranged on the pipeline to be measured and connected to the strain gauge; and the terminal equipment reads deformation data of the pipeline to be measured under different pressures from the strain gauge. The pipeline pressure testing device that this application provided is applied to the pipeline under pressure of different specifications and type, has stronger commonality, and mutual independence is easily dismantled and is transported between each part moreover. In addition, test data in this application can look over on terminal equipment, can keep away from the pipeline that awaits measuring, the dangerous situation that probably takes place during the avoidance test.
Drawings
Fig. 1 is a schematic diagram of a pipeline pressure testing device according to an exemplary embodiment.
FIG. 2 is a partial schematic view of a pipeline pressure testing apparatus in accordance with an exemplary embodiment.
FIG. 3 is another partial schematic view of a pipeline pressure testing apparatus in accordance with an exemplary embodiment.
Fig. 4 is a schematic diagram illustrating the distribution of strain gauges and a dial indicator on a pipe to be measured according to an exemplary embodiment.
FIG. 5 is a diagram illustrating the location of the dial gauge distribution on the pipe under test in an exemplary embodiment.
FIG. 6 is a diagram illustrating the distribution of strain gages on a pipe under test in accordance with an exemplary embodiment.
FIG. 7 is a schematic diagram of an installation structure of a dial indicator shown in an exemplary embodiment.
Detailed Description
The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.
Referring to fig. 1 to 3, the pipe pressure testing apparatus includes: the device comprises a pressurizing pump 1, a high-pressure water pipe 2, a strain gauge 3, a dial indicator 4, a strain gauge 5, a terminal device 6 and a pressure gauge 7;
The pressure gauge 7 is arranged on the high-pressure water pipe 2 and used for measuring the pressure value in the pipe; the booster pump 1 is connected to a pipeline 8 to be tested through a high-pressure water pipe 2; the strain gauge 3 and the dial indicator 4 are arranged on a pipeline 8 to be measured, the strain gauge 3 is connected to the strain gauge 5 through a first connecting line 31, and the dial indicator 4 is connected to the strain gauge 5 through a second connecting line 41; the strain gauge 5 is connected to the terminal device 6 through a third connection line 51, and uploads the deformation data of the pipeline 8 to be measured to the terminal device 6.
specifically, the booster pump 1 fills water into the pipe 8 to be measured through the high-pressure water pipe 2, so that the internal pressure of the pipe 8 to be measured is increased.
Further, one end of the pipeline 8 to be tested is provided with a water inlet 81, and the other end is provided with a water outlet 82. Specifically, a water inlet 81 and a water outlet 82 with the same thread specification as the high-pressure water pipe 2 are welded at two ends of the pipeline 8 to be tested, and a plugging cover with the same thread specification is arranged at the water outlet 82. The booster pump 1 fills water into the pipeline 8 to be tested through the high-pressure water pipe 2, so that air in the pipeline 8 to be tested is discharged from the water outlet 82, and after the air is emptied, the water outlet 82 is sealed by using the plugging cover.
The pipe 8 to be measured deforms under the action of internal water pressure; the pipe bursts when the amount of deformation exceeds a threshold value. The strain gauge 3 and the dial indicator 4 are arranged on the pipeline 8 to be measured and used for measuring the deformation of the pipeline 8 to be measured, and the terminal equipment 6 reads deformation data of the pipeline 8 to be measured under different pressures from the strain gauge 5. And determining the ultimate load capacity of the pipeline 8 to be tested according to the pressure value of the pressure gauge 7 and the deformation data of the dial indicator 4 and the strain gauge 3.
It should be noted that the pipeline pressure testing device can be used for pressure pipelines with different specifications and types, has strong universality, and is easy to disassemble and transport due to the mutual independence of all parts. In addition, test data in this application can look over on terminal equipment, can keep away from the pipeline that awaits measuring, the dangerous situation that probably takes place during the avoidance test.
further, the pipeline pressure testing device is provided with a plurality of strain gauges 3 and a plurality of dial indicators 4 and is used for measuring deformation of a plurality of positions on the outer wall of the pipeline 8 to be tested. The distribution of the strain gauge 3 and the dial indicator 4 on the pipeline 8 to be measured is shown in fig. 4 to 6; FIG. 5 is a diagram of the distribution positions of the dial indicator 4 on the pipe 8 to be measured; fig. 6 is a diagram showing the distribution positions of the strain gauges 3 on the pipe 8 to be measured. As shown in the figure, the strain gauges 3 and the dial indicators 4 are distributed on the pipeline 8 to be measured in a crossed mode, deformation quantities of different positions are measured through the strain gauges 3 and the dial indicators 4, and data are comprehensive and reliable.
Further, the dial indicator 4 acquires the radial absolute displacement of the pipeline 8 to be measured, and the strain gauge 3 measures the axial and annular relative deformation of the pipeline 8 to be measured.
further, the pipeline pressure testing device is also provided with a camera 10 for monitoring the testing process; the camera 10 is connected to the terminal device 6 through a fourth connection line 101, and uploads video data to the terminal device 6. The tester accessible terminal equipment 6 has reduced experimental risk to observing the pipeline 8 that awaits measuring outside safe distance.
Furthermore, the pipeline pressure testing device is also provided with a fixing frame 9 for fixing the pipeline 8 to be tested;
The fixed frame 9 has an upper frame 91 at an upper side position and a lower frame 92 at a lower side position; the upper bracket 91 and the lower bracket 92 are both triangular brackets, and the upper bracket 91 and the lower bracket 92 are connected through a support rod member 93; two ends of the support rod 93 are respectively fixed at the triangular positions of the upper bracket 91 and the lower bracket 92;
The fixing frame 9 is also provided with a fixing rod 94; the fixing bar 94 defines the pipe 8 to be measured at one corner of the upper and lower brackets 91 and 92.
It should be noted that the fixing rod 94 limits the pipe 8 to be tested at one corner of the upper bracket 91 and the lower bracket 92, and a triangle is formed between the fixing rod 94 and the upper bracket 91 and the lower bracket 92 to clamp the pipe 8 to be tested, so that the triangle has a stable structure, and the bearing capacity of the material is exerted to a greater extent. In addition, the size of the triangle can be adjusted by adjusting the position of the fixing rod 94, so as to be suitable for pipelines 8 to be tested with different specifications.
Further, a fixing rod 94 is correspondingly disposed on each of the upper bracket 91 and the lower bracket 92, a long strip-shaped through slot for passing a bolt is disposed in the fixing rod in the length direction, and the upper bracket 91, the lower bracket 92 and the fixing rod 94 are fixed together by bolts.
The fixing rod 94 can be adjusted to slide on the upper bracket 91 and the lower bracket 92 to adapt to the pipelines 8 to be tested with different specifications, and the fixing rod is fixed by bolts after the clamping position is determined.
Further, two extension rod members 95 are fixed on one side of the lower bracket 92 away from the pipeline 8 to be measured; the two extending rods 95 are provided with a weight 96. The distance between the two extending rods 95 can be flexibly adjusted, and the adjustable weight-balancing device is suitable for placing the weight-balancing blocks 96 with different sizes and scales.
It should be noted that the counterweight 96 is used for balancing the fixing frame 9 to prevent the test from tipping; the overturning moment generated by pipelines to be tested with different specifications can be balanced by adjusting the position of the balancing weight 96, the application range is wide, and the structure is more stable.
Further, the upper bracket 91, the lower bracket 92, the fixing bar 94, the support bar 93, and the extension bar 95 are each formed of an aluminum alloy section, and are connected at each connection using a corner piece 98.
It should be noted that the aluminum alloy section has the advantages of light weight, strong rigidity and low price. The aluminum alloy surface is provided with grooves, can be arranged at any position through angle pieces and bolt connection, and is stable in structure and flexible in clamping. The whole fixed mount 9 of aluminum alloy has the advantages of simple disassembly, convenient transportation and arbitrary splicing.
The fixed angle spare and supporting nut connection are all connected through different specifications to mount 9 is fixed, need not to punch alone, and mount 9 only needs the aluminum alloy ex-trusions of several kinds of length specifications. The device can be suitable for testing pipelines with different specifications, and has good size matching performance and reutilization property. Therefore, the fixing frame 9 is easy to disassemble and assemble.
Specifically, the corner fitting 98 may have two gauges, a 60 ° corner fitting, a 90 ° corner fitting. The upper support 91 and the lower support 92 are triangular supports formed by connecting three aluminum alloy sections with equal lengths, and the inner sides of the triangular supports are connected by using 60-degree angle pieces. The supporting rod 93 is connected with the upper bracket 91 and the lower bracket 92 by a 90-degree angle piece; the extension bar 95 is connected to the lower bracket 92 using a 90 ° angle.
Further, the pipe 8 to be tested is sleeved with a buffer protective sleeve 97 at a place contacting with the fixing frame 9. The buffer protection sleeve 97 can reduce test deviation caused by local stress in the fixing and restraining process, and the reliability of a test result is improved.
It should be noted that fig. 1 to 4 are only used for illustrating the measurement position of the dial indicator 4; in fact, the dial indicator needs to be fixed through a fixing bracket; specifically, referring to fig. 7, the fixing bracket 41 for fixing the dial indicator 4 includes adjusting levers 41a, 41b and a fixing base 41 c; the dial indicator 4 is fixed at a preset measuring position by adjusting the placing position of the fixing base 41c and the angle between the adjusting rod 41a and the adjusting rod 41 b.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (9)
1. A pipeline pressure testing apparatus, comprising: the device comprises a pressurizing pump, a high-pressure water pipe, a strain gauge, a dial indicator, a strain gauge, terminal equipment and a pressure gauge;
The pressure gauge is arranged on the high-pressure water pipe and used for measuring the pressure value in the pipe; the booster pump is connected to a pipeline to be tested through a high-pressure water pipe; the strain gauge and the dial indicator are arranged on a pipeline to be measured, the strain gauge is connected to the strain gauge through a first connecting line, and the dial indicator is connected to the strain gauge through a second connecting line; the strain gauge is connected to the terminal equipment through a third connecting line and uploads deformation data of the pipeline to be tested to the terminal equipment.
2. The pipeline pressure testing device of claim 1, wherein the pipeline pressure testing device further has a camera for monitoring a testing process; the camera is connected to the terminal equipment through a fourth connecting line, and uploads the video data to the terminal equipment.
3. the pipeline pressure testing device of claim 1, wherein the pipeline pressure testing device is provided with a plurality of strain gauges and a plurality of dial indicators, and is used for measuring deformation of a plurality of positions on the outer wall of the pipeline to be tested.
4. The pipeline pressure testing device of claim 1, wherein the pipeline pressure testing device further comprises a fixing frame for fixing the pipeline to be tested;
The fixed frame is provided with an upper bracket positioned at the upper side and a lower bracket positioned at the lower side; the upper support and the lower support are triangular supports and are connected through a support rod piece; two ends of the support rod piece are respectively fixed at the positions of the upper bracket and the lower bracket triangle;
The fixed frame is also provided with a fixed rod piece; the fixed rod piece limits the pipeline to be tested at one corner of the upper support and the lower support.
5. The pipeline pressure testing device of claim 4, wherein the upper bracket and the lower bracket are respectively provided with a fixing rod member correspondingly, the fixing rod member is provided with a long strip-shaped through groove for passing a bolt in a length direction, and the upper bracket, the lower bracket and the fixing rod member are fixed together through the bolt.
6. The pipeline pressure testing device of claim 4, wherein the lower bracket is fixed with two extending rod members on one side far away from the pipeline to be tested; the two extending rod pieces are provided with balancing weights.
7. The pipeline pressure testing device of claim 6, wherein the upper support, the lower support, the fixing rod, the supporting rod and the extending rod are all made of aluminum alloy sections and are connected at each connection position by using corner pieces.
8. the pipeline pressure testing device of claim 4, wherein the pipeline to be tested is sleeved with a buffer protective sleeve at a position where the pipeline to be tested is contacted with the fixed frame.
9. The pipeline pressure testing device according to claim 1, wherein the pipeline to be tested is provided with a water inlet at one end and a water outlet at the other end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920249781.6U CN209802868U (en) | 2019-02-26 | 2019-02-26 | Pipeline pressure testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920249781.6U CN209802868U (en) | 2019-02-26 | 2019-02-26 | Pipeline pressure testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209802868U true CN209802868U (en) | 2019-12-17 |
Family
ID=68823153
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920249781.6U Active CN209802868U (en) | 2019-02-26 | 2019-02-26 | Pipeline pressure testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209802868U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109916727A (en) * | 2019-02-26 | 2019-06-21 | 浙江工业大学 | A kind of pipeline pressure test device and method |
| CN111458232A (en) * | 2020-06-17 | 2020-07-28 | 湖南省特种设备检验检测研究院 | Manual-automatic integrated pressure test device for loading and unloading hose |
-
2019
- 2019-02-26 CN CN201920249781.6U patent/CN209802868U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109916727A (en) * | 2019-02-26 | 2019-06-21 | 浙江工业大学 | A kind of pipeline pressure test device and method |
| CN111458232A (en) * | 2020-06-17 | 2020-07-28 | 湖南省特种设备检验检测研究院 | Manual-automatic integrated pressure test device for loading and unloading hose |
| CN111458232B (en) * | 2020-06-17 | 2020-09-01 | 湖南省特种设备检验检测研究院 | Manual-automatic integrated pressure test device for loading and unloading hose |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4290311A (en) | Dilatometer | |
| CN209802868U (en) | Pipeline pressure testing device | |
| US20110259115A1 (en) | Structural load monitoring using collars and connecting elements with strain sensors | |
| CN109723910B (en) | Tool for quantitatively installing, detecting and adjusting support and hanger and method for measuring load of support and hanger by using tool | |
| SE417644B (en) | FOR INDICATING A LOAD OR LOAD SENSOR DEVICE, WHICH INCLUDES A FIXABLE AXEL IN BOTH END | |
| CN102435499B (en) | Method and device for detecting stress strength of concrete by bending method | |
| CN110954407B (en) | Method for testing concrete fracture process under different hydraulic pressure effects | |
| CN211668936U (en) | Portable steel bar joint mechanical property detection device | |
| KR100290553B1 (en) | The hanger tester and maintenance device and its method to check the load-displacement relationship | |
| CN109916727A (en) | A kind of pipeline pressure test device and method | |
| CN207378301U (en) | A kind of electronic digital display variable hanger | |
| CN206740294U (en) | A kind of compound device for measuring force of large-tonnage Cable rope for ship | |
| CN203869950U (en) | Device for testing changes of mechanical properties of epoxy resin in filling type anchorage device | |
| CN102661831B (en) | Reversing arrangement, vibroshock dynamometer machine pull to force value calibrating installation and calibration steps | |
| CN210827620U (en) | Anti-force steel beam for pile foundation static load experiment instability prevention and automatic alarm | |
| CN104297075A (en) | A metal wire torsion test method for a steel wire rope | |
| CN108225928A (en) | A kind of metal curtain wall and roofing drawing property device for fast detecting | |
| CN113252222A (en) | System and method for field measurement and debugging of rigid suspension device of pressed element | |
| KR20100010815U (en) | / Plant Pipe Life Evaluation Method Based On Operation History Including Creep and Fatigue | |
| Toscano et al. | Validation of a finite-element model that simulates the behavior of steel pipes under external pressure | |
| CN220989516U (en) | Fire hydrant water pressure detection device | |
| CN221038485U (en) | Device for detecting firmness of wire harness crimping terminal | |
| Sedmak et al. | Effect of locally damaged elbow segments on the integrity and reliability of the heating system | |
| CN110319989A (en) | The lossless detection method of spring rate in in-service spring support hanging frame | |
| CN116105004B (en) | Method for checking cooling mode of expansion joint manufacturing plant |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |