CN214310060U - Test device for measuring anti-leakage performance of bent metal corrugated pipe - Google Patents
Test device for measuring anti-leakage performance of bent metal corrugated pipe Download PDFInfo
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- CN214310060U CN214310060U CN202120128739.6U CN202120128739U CN214310060U CN 214310060 U CN214310060 U CN 214310060U CN 202120128739 U CN202120128739 U CN 202120128739U CN 214310060 U CN214310060 U CN 214310060U
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- Prior art keywords
- arc
- corrugated pipe
- metal corrugated
- guide rail
- test device
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- Expired - Fee Related
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- 239000002184 metal Substances 0.000 title claims abstract description 58
- 238000012360 testing method Methods 0.000 title claims abstract description 32
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 40
- 238000007789 sealing Methods 0.000 claims abstract description 7
- 238000005452 bending Methods 0.000 claims description 7
- 229910000831 Steel Inorganic materials 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000000741 silica gel Substances 0.000 description 2
- 229910002027 silica gel Inorganic materials 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011513 prestressed concrete Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
A test device for measuring the anti-leakage performance of a bent metal corrugated pipe comprises a base support, wherein an arc-shaped groove guide rail is fixed on the base support, an arc-shaped roller is arranged on the outer side of the arc-shaped groove guide rail, and the arc-shaped roller is connected with a motor output shaft through a connecting rod; the metal corrugated pipe penetrates through a gap between the guide rail and the arc-shaped roller and is fixed through the clamping sleeve; the upper end of the metal corrugated pipe is connected with the water inlet device, and the lower end of the metal corrugated pipe is connected with the sealing sleeve. The utility model provides a pair of a test device for surveying anti leakage performance of corrugated metal pipe crooked back, easy operation satisfies the standard requirement, improves work efficiency.
Description
Technical Field
The utility model relates to a corrugated metal pipe, especially a test device for survey corrugated metal pipe is anti seepage performance after crooked.
Background
The anti-leakage performance of the metal corrugated pipe is detected according to the requirements of the national standard JG/T225-2020 metal corrugated pipe for prestressed concrete, and the test method requires the manufacturing requirements of test pieces: the length of the test piece is 1500mm, the test piece is bent into a circular arc shape, the curvature radius R of the circular tube is 30 times of the nominal inner diameter of the circular tube, and the curvature radius R of the flat tube in the short axis direction is 4000 mm. The upper end of the arc test piece is placed upwards, the lower end is required to be sealed, water is added from the upper end to fill the test piece, and whether the test piece leaks water is observed. The manufacturing of the test piece in the test process can be completed by no feasible device at present. The prior method is to observe the radius of the circular arc by eye, but the radian and radius values are not accurate enough, and the manufacturing is inconvenient. Therefore, the testing device is used for testing, and the anti-leakage performance of the bent metal corrugated pipe can be simply, conveniently and accurately tested.
Disclosure of Invention
The utility model aims to solve the technical problem that a testing arrangement for measuring anti leakage performance after the corrugated metal pipe is crooked is provided, easy operation satisfies the standard requirement, improves work efficiency.
In order to solve the technical problem, the utility model discloses the technical scheme who adopts is:
a test device for measuring the anti-leakage performance of a bent metal corrugated pipe comprises a base support, wherein an arc-shaped groove guide rail is fixed on the base support, an arc-shaped roller is arranged on the outer side of the arc-shaped groove guide rail, and the arc-shaped roller is connected with a motor output shaft through a connecting rod; the metal corrugated pipe penetrates through a gap between the arc-shaped groove guide rail and the arc-shaped roller and is fixed through the clamping sleeve; the upper end of the metal corrugated pipe is connected with the water inlet device, and the lower end of the metal corrugated pipe is connected with the sealing sleeve.
The base support comprises a frame, and a workbench is vertically arranged at the front end of the frame.
The cross section of the arc-shaped groove guide rail is a semicircular groove, and the inner diameter of the semicircular groove is matched with the outer diameter of the metal corrugated pipe.
The arc-shaped roller gradually becomes thicker from the middle to the two ends.
A plurality of adjusting holes are formed in the connecting rod along the length direction.
And the tail end of the arc-shaped groove guide rail is provided with a proximity switch.
The utility model relates to a test device for survey anti seepage performance after corrugated metal pipe is crooked has following technological effect: through setting up arc recess guide rail and can following certain circular orbit pivoted arc gyro wheel, can make crooked corrugated metal pipe fast like this to obtain its accurate size, thereby the anti leakage performance after simple convenient accurate test corrugated metal pipe is crooked.
Drawings
The invention will be further explained with reference to the following figures and examples:
fig. 1 is a schematic view (initial state) of the present invention.
Fig. 2 is a schematic view (bending state) of the present invention.
Fig. 3 is a schematic structural view of the base bracket of the present invention.
Fig. 4 is a schematic structural view of the arc-shaped roller of the present invention.
In the figure: base support 1, workstation 1.1, motor 2, arc recess guide rail 3, arc gyro wheel 4, connecting rod 5, proximity switch 6, dome cutting ferrule 7, seal cover 8, water inlet ware 9, corrugated metal pipe 10, regulation hole 11.
Detailed Description
As shown in figure 1, the device for testing the anti-leakage performance of the bent metal corrugated pipe comprises a base support 1, a motor 2, an arc-shaped groove guide rail 3, an arc-shaped roller 4, a connecting rod 5, a proximity switch 6, a circular arc-shaped clamping sleeve 7, a sealing sleeve 8 and a water inlet device 9.
The base support 1 material forms for the section bar welding, and the shape is cuboid frame construction, and wherein the preceding terminal surface of cuboid is fixed with the 5mm thick dull and stereotyped steel sheet, and it has the screw hole to reserve on the steel sheet for install the arc recess guide rail 3 of different diameters. The rest surfaces are only provided with profile steel connecting structures. The section steel has certain rigidity and is not easy to deform. A motor 2 is placed in the base support 1, and the base support 1 is mainly used as a workbench for fixing accessories except for placing the motor.
Install arc groove guide rail 3 on base support 1's workstation (steel sheet), arc groove guide rail 3 shape is the arc bending form, and the outside is the arc recess, and its arc recess's diameter is unanimous with corrugated metal pipe 10 external diameter, and the guide rail length L of arc groove guide rail 3 can calculate according to corrugated metal pipe's internal diameter and draw, and the crooked radian radius of arc groove guide rail 3 also can calculate for 30 times of corrugated metal pipe internal diameter and draw. The arc-shaped groove guide rail 3 is fixed on the base support 1 by bolts, and one side with the groove is an arc-shaped outer side.
Arc gyro wheel 4 is fixed in 5 one ends of connecting rod, and the connecting rod 5 other end links to each other with the 2 rotation axes of motor, and 4 middle parts of arc gyro wheel are the indent cambered surface, and the cambered surface radius of indent cambered surface is unanimous with the corrugated metal pipe external diameter, and arc gyro wheel 4 rotates along the outer circle of arc recess guide rail 3 and moves under the rotation of connecting rod 5. The connecting rod 5 is driven to rotate by the rotating shaft of the motor.
A screw hole is reserved along the central line on the connecting rod 5 and used for installing the arc-shaped rolling wheels 4 with different diameters of metal corrugations.
The circular arch-shaped clamping sleeve 7 is used for fixing the starting end of the metal corrugated pipe and is in a circular arch shape, and the radius of the circular arch is slightly larger than the outer diameter of the metal corrugated pipe. Two sides of the circular arch-shaped clamping sleeve 7 are fixed at the rotary starting position of the base support 1 by bolts.
The sealing sleeve 8 is made of silica gel with good elasticity, and the end of the bent metal corrugated pipe is sleeved with the sealing sleeve 8 to prevent water leakage from the end.
The water inlet 9 is made of transparent organic glass, the outer wall of the water inlet 9 is provided with scale marks, the opening at the upper end of the water inlet is connected with a water pipe, the water pipe is not easy to fall off, the other end of the water pipe is connected with a water faucet, when the water faucet supplies water, the water flows into the water inlet 9 from the water pipe, the water of the water faucet is turned off when the water faucet is full, and the water level is observed through the scale marks on the outer wall of the transparent organic glass water inlet 9. The water inlet device 9 is adapted to metal corrugated pipes 10 with different pipe diameters, the lower port of the water inlet device is set to be in a thin opening shape, the lower end of the water inlet device can be extended into the metal corrugated pipes 10, an inverted bowl-shaped structure is connected at the junction of the upper end and the lower end of the water inlet device, the water inlet device is made of silica gel, and the water inlet device 9 is fixed at the starting end of the metal corrugated pipes 10 and is not prone to falling.
The working principle and the process are as follows: when the metal corrugated pipe is subjected to a leakage resistance test after being bent, the metal corrugated pipe 10 with a specified length is firstly intercepted, and the arc-shaped groove guide rail 3 matched with the outer diameter of the metal corrugated pipe 10 is installed on the base support 1. An arc roller 4 matched with the outer diameter of the metal corrugated pipe 10 is arranged at the end of the connecting rod 5, and a circular arch clamping sleeve 7 matched with the outer diameter of the metal corrugated pipe is arranged on the base support 1. After the device accessories are installed, the metal corrugated pipe sample is installed, the starting end of the metal corrugated pipe sample is fixed on the base support 1 through the circular arch-shaped clamping sleeve 7 matched with the outer diameter of the metal corrugated pipe sample, and penetrates through a gap between the arc-shaped roller 4 and the arc-shaped groove guide rail 3, and the gap is just a circular gap which is slightly larger than the outer diameter of the metal corrugated pipe. The distance from the arc external tangent point of the arc-shaped groove guide rail 3 to the circle center is calculated according to the inner diameter of the metal corrugated pipe and is just 30 times of the inner diameter of the metal corrugated pipe. After the metal corrugated pipe sample is installed, a motor switch is started, and the arc-shaped roller 4 slowly rotates to the tail end of the arc-shaped groove guide rail along the arc-shaped groove guide rail 3. The arc-shaped roller 4 touches the proximity switch 6, and the motor is powered off to stop working. Then a sealing sleeve 8 is arranged at the tail end of the metal corrugated pipe, and a water inlet device 9 is arranged at the starting end of the metal corrugated pipe, because the starting end is opened upwards, water cannot flow out due to inclination. And opening a water faucet to add water, observing whether the water surface descends when the water surface reaches the water inlet device 9, wherein the descending indicates that the metal corrugated pipe leaks water, and the non-descending indicates that the corrugated pipe does not leak water and has qualified leakage resistance.
Claims (6)
1. The utility model provides a test device for measuring anti leakage performance after metal bellows is crooked which characterized in that: the device comprises a base support (1), wherein an arc-shaped groove guide rail (3) is fixed on the base support (1), an arc-shaped roller (4) is arranged on the outer side of the arc-shaped groove guide rail (3), and the arc-shaped roller (4) is connected with an output shaft of a motor (2) through a connecting rod (5); the metal corrugated pipe (10) penetrates through a gap between the arc-shaped groove guide rail (3) and the arc-shaped roller (4) and is fixed through a clamping sleeve (7); the upper end of the metal corrugated pipe (10) is connected with the water inlet device (9), and the lower end is connected with the sealing sleeve (8).
2. The test device for testing the leakage resistance of the metal corrugated pipe after bending according to claim 1, wherein: the base support (1) comprises a frame (1.2), and a workbench (1.1) is vertically arranged at the front end of the frame (1.2).
3. The test device for testing the leakage resistance of the metal corrugated pipe after bending according to claim 1, wherein: the cross section of the arc-shaped groove guide rail (3) is a semicircular groove, and the inner diameter of the semicircular groove is matched with the outer diameter of the metal corrugated pipe.
4. The test device for testing the leakage resistance of the metal corrugated pipe after bending according to claim 1, wherein: the arc-shaped roller (4) becomes thicker gradually from the middle to the two ends.
5. The test device for testing the leakage resistance of the metal corrugated pipe after bending according to claim 1, wherein: a plurality of adjusting holes (11) are formed in the connecting rod (5) along the length direction.
6. The test device for testing the leakage resistance of the metal corrugated pipe after bending according to claim 1, wherein: and the tail end of the arc-shaped groove guide rail (3) is provided with a proximity switch (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120128739.6U CN214310060U (en) | 2021-01-18 | 2021-01-18 | Test device for measuring anti-leakage performance of bent metal corrugated pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120128739.6U CN214310060U (en) | 2021-01-18 | 2021-01-18 | Test device for measuring anti-leakage performance of bent metal corrugated pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214310060U true CN214310060U (en) | 2021-09-28 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120128739.6U Expired - Fee Related CN214310060U (en) | 2021-01-18 | 2021-01-18 | Test device for measuring anti-leakage performance of bent metal corrugated pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214310060U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114034444A (en) * | 2021-11-29 | 2022-02-11 | 贵州华创智投工程技术咨询有限公司 | Metal corrugated pipe bending tester and testing method thereof |
-
2021
- 2021-01-18 CN CN202120128739.6U patent/CN214310060U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114034444A (en) * | 2021-11-29 | 2022-02-11 | 贵州华创智投工程技术咨询有限公司 | Metal corrugated pipe bending tester and testing method thereof |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210928 |
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| CF01 | Termination of patent right due to non-payment of annual fee |