CN220104718U - Hydro-cylinder pressurized spiral steel pipe hydrostatic test device - Google Patents
Hydro-cylinder pressurized spiral steel pipe hydrostatic test device Download PDFInfo
- Publication number
- CN220104718U CN220104718U CN202321072650.8U CN202321072650U CN220104718U CN 220104718 U CN220104718 U CN 220104718U CN 202321072650 U CN202321072650 U CN 202321072650U CN 220104718 U CN220104718 U CN 220104718U
- Authority
- CN
- China
- Prior art keywords
- steel pipe
- spiral steel
- oil cylinder
- pressure
- pressure head
- 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
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 60
- 239000010959 steel Substances 0.000 title claims abstract description 60
- 238000012360 testing method Methods 0.000 title claims abstract description 34
- 230000002706 hydrostatic effect Effects 0.000 title claims abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 43
- 238000007789 sealing Methods 0.000 claims abstract description 12
- 238000000034 method Methods 0.000 abstract description 8
- 238000012423 maintenance Methods 0.000 abstract description 4
- 238000001514 detection method Methods 0.000 abstract description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model provides a spiral steel pipe hydrostatic test device of hydro-cylinder pressurization, including the base, the tension beam, left side frame, right side frame, master cylinder, the pressurized cylinder, the supply line, the cistern, exhaust mechanism, fixed pressure head, sealing mechanism, remove pressure head, the track, during the test, the hydro-cylinder pole of pressurized cylinder stretches out, for pressure testing spiral steel pipe pressurization, according to pressure sensor's detection data, the clamping pressure of the head end master cylinder of real-time control removal, make experimental spiral steel pipe be in sealed perfect state all the time, control the extension length of pressurized cylinder through the electric contact manometer that has adjusted, implement the pressurization and the pressurize process of experimental spiral steel pipe. The device eliminates the original complex high-pressure water system difficult to maintain, achieves the processes of pressurizing and maintaining pressure of the test spiral steel pipe by controlling the length of the oil cylinder rod extending into the water filled steel pipe, and perfectly solves the problems of large occupied area of the original system, complex system and difficult maintenance.
Description
Technical Field
The utility model relates to the technical field of hydrostatic test equipment, in particular to a hydraulic test device for a spiral steel pipe pressurized by an oil cylinder.
Background
The spiral steel pipe is a spiral seam steel pipe welded by using a strip steel coiled plate as a raw material and adopting an automatic double-wire double-sided submerged arc welding process through extrusion molding at normal temperature, and in order to detect welding defects of the spiral steel pipe, delivery quality of the spiral steel pipe is ensured, and a hydraulic test is required after the spiral steel pipe is manufactured.
The utility model discloses a steel pipe hydrostatic test device, which is disclosed in China patent application No. CN201320601192.2 entitled "Steel pipe hydrostatic test device", and comprises a fixing frame, wherein a fixed seal head and a movable seal head are arranged on the fixing frame, a steel pipe is arranged between the fixed seal head and the movable seal head, a through hole is arranged in the middle of the fixed seal head, a water pipe is fixedly connected with the through hole, the other end of the water pipe is connected with a water pump, a cylinder for driving the movable seal head is arranged on the fixing frame outside the movable seal head, seals are respectively arranged at the inner ends of the fixed seal head and the movable seal head, each seal comprises a cylindrical section and an arc section, the cylindrical section is matched with the outer diameter of the steel pipe, the arc section is formed by outwards extending the cylindrical section, and an exhaust valve is arranged on the water pipe.
When the technical scheme is adopted for hydrostatic test, the existing equipment for injecting water into the spiral steel pipe comprises two sets of water inlet systems, namely a low-pressure water filling system and a high-pressure water inlet system, and when the hydraulic test device works, firstly, the low-pressure water filling valve is opened, the exhaust valve is exhausted, and water is filled into the steel pipe. After the low-pressure water is filled, the low-pressure water filling valve and the exhaust valve are closed, the high-pressure pump is opened, and the high-pressure water is filled into the steel pipe. The two sets of water inlet systems are relatively independent and are matched with each other, and the water pressure system is relatively complex. In the actual use process, the high-pressure water system and the low-pressure water system need to be switched back and forth according to the process flow, the high-pressure and low-pressure conversion device is extremely easy to damage, the maintenance is complex after damage, the production progress is extremely easy to delay, and meanwhile, the two systems also respectively need independent water circulation spaces, so that the occupied area of equipment is large, and the structural space is wasted.
Disclosure of Invention
The utility model aims to provide a spiral steel pipe hydraulic pressure test device pressurized by an oil cylinder, which replaces a high-pressure water system of original equipment by the pressurization of the oil cylinder when a hydraulic pressure test is carried out, simplifies the equipment structure, reduces the space occupation and is convenient for equipment maintenance.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the hydraulic test device for the spiral steel pipe pressurized by the oil cylinder comprises a base, a tension beam, a left frame, a right frame, a main oil cylinder, a pressurizing oil cylinder, a water supply pipeline, a reservoir, an exhaust mechanism, a fixed pressure head, a sealing mechanism, a movable pressure head and a track; the lower ends of the left frame and the right frame are fixed on the base, and the upper ends of the left frame and the right frame are fixed with the tension beam; the main oil cylinder is arranged on the right frame, and the left end of the main oil cylinder is fixed with the movable pressure head; the lower end of the fixed pressure head is fixed on the base, and the left side of the fixed pressure head is fixed with the left frame; the track is arranged on the base; the movable pressure head is provided with casters and moves left and right along the track; the fixed pressure head and the movable pressure head are provided with a sealing mechanism and an exhaust mechanism; the pressurizing oil cylinder is arranged on the left frame, and an oil cylinder rod of the pressurizing oil cylinder penetrates through the fixed pressure head and the sealing mechanism and then stretches into the spiral steel pipe; the lower end of the water supply pipeline is communicated with the reservoir, and the upper end of the water supply pipeline is communicated with the inside of the spiral steel pipe.
The oil cylinder pressurized spiral steel pipe hydrostatic test device is characterized in that a supporting seat is arranged on the base, rollers are arranged on the supporting seat, and the rollers are driven by a motor.
The hydraulic test device for the spiral steel pipe pressurized by the oil cylinder is characterized in that a high-pressure sealing ring is arranged between the fixed pressure head and the pressurizing oil cylinder.
The utility model has the following advantages:
according to the hydraulic test device for the spiral steel pipe pressurized by the oil cylinder, the pressurizing oil cylinder is arranged, when the test is performed, after the spiral steel pipe is filled with water under low pressure, the exhaust valves at the two sides are closed, the oil cylinder rod of the pressurizing oil cylinder stretches out to start pressurizing the pressure test spiral steel pipe, the clamping pressure of the main oil cylinder at the movable pressure head end is controlled in real time according to the detection data of the pressure sensor, so that the test spiral steel pipe is always in a sealed and intact state, the stretching length of the pressurizing oil cylinder is controlled through the adjusted electric contact pressure gauge, and the pressurizing and pressure maintaining processes of the test spiral steel pipe are implemented. The device eliminates the original complex high-pressure water system difficult to maintain, achieves the processes of pressurizing and maintaining pressure of the test spiral steel pipe by controlling the length of the oil cylinder rod extending into the water filled steel pipe, and perfectly solves the problems of large occupied area of the original system, complex system and difficult maintenance.
Drawings
FIG. 1 is a schematic illustration of the present utility model;
FIG. 2 is a cross-sectional view taken along the direction A-A of the present utility model;
the reference numerals in the drawings are respectively as follows: 1. the hydraulic lifting device comprises a base, 2, tension beams, 3, a left frame, 4, a right frame, 5, a main oil cylinder, 6, a pressurizing oil cylinder, 7, a water supply pipeline, 8, a reservoir, 9, an exhaust mechanism, 10, a spiral steel pipe, 11, a fixed pressure head, 12, a sealing mechanism, 13, a supporting seat, 14, casters, 15, a movable pressure head, 16, a track, 17 and an oil cylinder rod.
Detailed Description
The utility model is further described below with reference to the drawings and examples.
The utility model relates to a hydraulic test device for a spiral steel pipe pressurized by an oil cylinder, which comprises a base 1, a tension beam 2, a left frame 3, a right frame 4, a main oil cylinder 5, a pressurizing oil cylinder 6, a water supply pipeline 7, a reservoir 8, an exhaust mechanism 9, a fixed pressure head 11, a sealing mechanism 12, a movable pressure head 15 and a track 16; the base 1, the left frame 3, the right frame 4 and the upper two tension beams 2 are connected into a closed frame structure to bear the axial force of the spiral steel pipe 10 during pressure test; the reservoir 8 is arranged at the side of the base 1, and the water in the reservoir 8 is pumped by the water supply pipeline 7 and is injected into the inner cavity of the spiral steel pipe 10; the fixed pressing head 11 is fixed on the left frame 3; the main oil cylinder 5 is arranged on the right frame 4, and the left end is fixed with the movable pressure head 15; the pressurizing oil cylinder 6 is arranged on the left frame 3; the rail 16 is mounted on the base 1; the moving ram 15 moves along the track 16 by the casters 14; the support base 13 is mounted on the base 1.
The hydraulic test device for the spiral steel pipe pressurized by the oil cylinder is characterized in that a supporting seat 13 is used for supporting the spiral steel pipe 10, more than two supporting seats are arranged, the upper ends of the supporting seats are V-shaped, rollers are arranged at the upper ends of the supporting seats, and one supporting seat is provided with a motor driving roller for adjusting the left-right distance of the spiral steel pipe 10.
According to the hydro-cylinder pressurized spiral steel pipe hydrostatic test device, the water supply pipeline 7 penetrates through the fixed pressure head 11 and the sealing mechanism 12 to be communicated with the inner cavity of the spiral steel pipe 10; the oil cylinder rod 17 extends into the inner cavity of the spiral steel pipe 10.
The hydraulic test device for the spiral steel pipe pressurized by the oil cylinder is characterized in that an exhaust mechanism 9 is arranged on a fixed pressure head 11, and an exhaust mechanism with the same structure is also arranged on a movable pressure head 15.
The utility model relates to a hydraulic pressure test device for a spiral steel pipe pressurized by an oil cylinder, which comprises the following operation processes: the spiral steel pipe 10 stored on the material receiving table falls on the supporting seat 13, at the moment, the moving pressure head 15 moves leftwards under the pushing of the main oil cylinder 5 until the end face of the spiral steel pipe 10 is pressed, then the water filling valve is opened, water is filled in the spiral steel pipe 10, and the exhaust mechanism 9 exhausts air. After the spiral steel pipe is filled with water, the low-pressure water filling valve and the exhaust valve are closed, the pressurizing oil cylinder 6 starts to work, the oil cylinder rod 17 is pushed into the inner cavity of the spiral steel pipe, the water pressure in the inner cavity is increased along with the extension of the oil cylinder rod 17, and when the pressure in the spiral steel pipe reaches the required test pressure, the pressure transmitter sends a signal to start to maintain the pressure. After the pressure maintaining is finished, the pressure in the spiral steel pipe 10 is relieved through an unloading valve, the movable pressure head 15 moves rightwards, and finally the pressure test procedure of the spiral steel pipe is completed. According to the utility model, the original high-pressure water system and high-low pressure conversion device are eliminated, the matched pipelines, the water tank, the valve station and the like are eliminated, the hydraulic control system of the experimental device is only a low-pressure water system and a hydraulic system, the occupied area of the experimental system is reduced, the system is convenient and quick to maintain, the system failure rate is further reduced, and the production efficiency is improved.
Claims (3)
1. The utility model provides a spiral steel pipe hydrostatic test device of hydro-cylinder pressurization which characterized in that: the device comprises a base (1), a tension beam (2), a left frame (3), a right frame (4), a main oil cylinder (5), a pressurizing oil cylinder (6), a water supply pipeline (7), a reservoir (8), an exhaust mechanism (9), a fixed pressure head (11), a sealing mechanism (12), a movable pressure head (15) and a track (16); the lower ends of the left frame (3) and the right frame (4) are fixed on the base (1), and the upper ends of the left frame and the right frame are fixed with the tension beam (2); the main oil cylinder (5) is arranged on the right frame (4), and the left end of the main oil cylinder is fixed with the movable pressure head (15); the lower end of the fixed pressure head (11) is fixed on the base (1), and the left side of the fixed pressure head is fixed with the left frame (3); the track (16) is arranged on the base (1); the movable pressure head (15) is provided with a trundle (14), and the movable pressure head (15) moves left and right along a track (16); a sealing mechanism (12) and an exhaust mechanism (9) are arranged on the fixed pressure head (11) and the movable pressure head (15); the pressurizing oil cylinder (6) is arranged on the left frame (3), and an oil cylinder rod (17) of the pressurizing oil cylinder (6) penetrates through the fixed pressure head (11) and the sealing mechanism (12) and then stretches into the spiral steel pipe (10); the lower end of the water supply pipeline (7) is communicated with the reservoir (8), and the upper end of the water supply pipeline is communicated with the inside of the spiral steel pipe (10).
2. The hydro-cylinder pressurized spiral steel pipe hydrostatic test device of claim 1, wherein: a supporting seat (13) is arranged on the base (1), a roller is arranged on the supporting seat (13), and the roller is driven by a motor.
3. The hydro-cylinder pressurized spiral steel pipe hydrostatic test device of claim 2, wherein: a high-pressure sealing ring is arranged between the fixed pressure head (11) and the pressurizing oil cylinder (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321072650.8U CN220104718U (en) | 2023-05-08 | 2023-05-08 | Hydro-cylinder pressurized spiral steel pipe hydrostatic test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321072650.8U CN220104718U (en) | 2023-05-08 | 2023-05-08 | Hydro-cylinder pressurized spiral steel pipe hydrostatic test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220104718U true CN220104718U (en) | 2023-11-28 |
Family
ID=88848859
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321072650.8U Active CN220104718U (en) | 2023-05-08 | 2023-05-08 | Hydro-cylinder pressurized spiral steel pipe hydrostatic test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220104718U (en) |
-
2023
- 2023-05-08 CN CN202321072650.8U patent/CN220104718U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102042935A (en) | Method for detecting hydrostatic pressure of thin-wall steel pipe under end face seal condition | |
| CN201757695U (en) | Fuel tank leakage testing groove | |
| CN102125953A (en) | Dual-station expanding machine for special-shaped pipe with variable cross sections | |
| CN202028627U (en) | Three-way pipe extrusion molding device | |
| CN220104718U (en) | Hydro-cylinder pressurized spiral steel pipe hydrostatic test device | |
| CN201267931Y (en) | Sponge roller pressing machine | |
| CN110641426B (en) | Full-automatic equipment for inflating vacuum tire | |
| CN112692005A (en) | Steel pipe hydraulic press | |
| CN112453820B (en) | Water tank welding device | |
| CN210526500U (en) | Full-automatic equipment for inflating vacuum tire | |
| CN202045870U (en) | Flaring machine for plastic-steel composite pressure tube | |
| CN104865132A (en) | Internal-pulling type ultrahigh-pressure hydraulic pressure testing machine for large-diameter steel pipe and hydraulic system of hydraulic pressure testing machine | |
| CN202498337U (en) | Installation equipment of sealing strip of internal supporting body tyre | |
| CN209910906U (en) | Leakage detection device for side cover valve body | |
| CN201765094U (en) | Leakage test groove of air reservoir assembly | |
| CN110762986B (en) | Inside drying device that pours water of hydrogen energy gas cylinder | |
| CN209910909U (en) | General steel pipe pressure test device | |
| CN211235311U (en) | Immersed steel pipe still water pressure tester | |
| CN208366731U (en) | A kind of spiral submerged welded pipe hydrostatic test device | |
| CN111175138A (en) | Immersed steel pipe still water pressure testing method and pressure testing machine | |
| CN212430158U (en) | Novel water conservancy pipeline is repaired device | |
| CN221056002U (en) | Sealing performance testing device for automobile electric steering gear | |
| CN218439642U (en) | Pressure cylinder structure of three-way water expansion forming machine | |
| CN213121418U (en) | Large-diameter double-station steel pipe hydrostatic testing machine equipment | |
| CN218937681U (en) | Automatic leakage detection device for vibration excitation chamber |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |