CN217738950U - Anti-leakage test device for prestressed metal corrugated pipe after bearing local transverse load - Google Patents
Anti-leakage test device for prestressed metal corrugated pipe after bearing local transverse load Download PDFInfo
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- CN217738950U CN217738950U CN202221640273.9U CN202221640273U CN217738950U CN 217738950 U CN217738950 U CN 217738950U CN 202221640273 U CN202221640273 U CN 202221640273U CN 217738950 U CN217738950 U CN 217738950U
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Abstract
The utility model provides an anti seepage test device after prestressing force corrugated metal pipe bears local transverse load, includes frame and clamping device, and the corrugated metal pipe test piece passes through the vertical connection of clamping device on the frame lateral wall, and corrugated pipe test piece below is provided with the ascending paraffin case of opening, the splendid attire is equipped with the paraffin that the liquid level is higher than corrugated pipe test piece lower extreme face when melting into liquid in the paraffin case, be provided with the heating device who is used for the heating to melt paraffin in the paraffin case. The utility model discloses a paraffin is melted in the heating, sinks into the paraffin solution with the lower extreme of bellows test piece, thereby treats that it is sealed to bellows test piece lower extreme after the paraffin cooling, and is sealed effectual, and paraffin can also reuse after melting, and is with low costs.
Description
Technical Field
The utility model belongs to the technical field of corrugated metal pipe detects, especially, relate to an anti seepage test device after local horizontal load is born to prestressing force corrugated metal pipe.
Background
The prior art standard JG/T225-2020 specifies that the metal corrugated pipe for prestressed concrete is subjected to a leakage resistance test after being bent: 1. and (3) manufacturing a test piece: the pressure head is placed at the middle seaming position of the metal corrugated pipe, local transverse load is applied until the deformation reaches 20% of the nominal inner diameter size of the circular pipe, and the load is held for 1min and then is unloaded to form a test piece; 2. the test method comprises the following steps: and sealing one end of the test piece and vertically placing the test piece. The test pieces were filled with ordinary portland cement paste having a water cement ratio of 0.50. Observing the surface leakage condition of the test piece for 30min; the test piece can also be filled with clear water, and if the test piece does not have water seepage, the test can be carried out without cement slurry.
At present, after a test piece is loaded, a test piece needs to be plugged for an anti-leakage test, but the plugging of the end part of the test piece is not described in the standard, the test cannot be successful when putty, butter, soap and the like are used in the test, the plugging can be realized by using asphalt, and the cost is higher.
SUMMERY OF THE UTILITY MODEL
To the problem that exists among the prior art, the utility model aims to provide a prestressing force corrugated metal pipe bears local transverse load back anti-leakage test device.
In order to solve the above problem, the utility model adopts the following technical scheme:
the utility model provides an anti seepage test device after prestressing force corrugated metal pipe bears local transverse load, includes frame and clamping device, and the corrugated pipe test piece passes through the vertical connection of clamping device on the frame lateral wall, and corrugated pipe test piece below is provided with the ascending paraffin case of opening, the splendid attire has the liquid level when melting into liquid and is higher than the paraffin of terminal surface under the corrugated pipe test piece in the paraffin case, be provided with the heating device who is used for the heating to melt paraffin in the paraffin case.
In the technical scheme, a telescopic device is vertically arranged on the side wall of the rack, a pressure rod is connected to the telescopic device and transversely arranged on the outer side of the middle of the corrugated pipe test piece, and the telescopic device drives the pressure rod to extrude the corrugated pipe test piece when being shortened so that the deformation of the corrugated pipe test piece reaches 20% of the nominal inner diameter size of the circular pipe.
In the technical scheme, the telescopic device is a hydraulic cylinder or an air cylinder.
In the technical scheme, the clamping device comprises two circular arc pipe clamps which are used for clamping the upper end and the lower end of the corrugated pipe test piece respectively, the inner diameter of each circular arc pipe clamp is equal to the outer diameter of the corrugated pipe test piece, the angle of each circular arc pipe clamp is larger than 180 degrees, and each circular arc pipe clamp has elasticity.
In the technical scheme, a water adding device is arranged at the upper end of the corrugated pipe test piece and used for injecting water into the corrugated pipe test piece, and a drain hole is formed in the bottom of the paraffin box.
In this technical scheme, the device of adding water includes water tank, water pump and water pipe, the water sucking mouth of water pump is connected in the water tank in order to be used for drawing water from the water tank, water pipe one end is connected with the delivery port of water pump, and the other end is connected in bellows test piece top for the water filling port.
In the technical scheme, a water filling port is formed in the water tank.
In the technical scheme, the heating device is a heating pipe.
In this technical scheme, clamping device is three, and three clamping device horizontal interval sets up side by side, the water pipe has three water filling port, corresponds the top that sets up at three clamping device respectively.
The beneficial effects of the utility model
Compared with the prior art, the utility model has the advantages of: the utility model discloses a paraffin is melted in the heating, sinks into the paraffin solution with the lower extreme of bellows test piece, thereby treats that it is sealed to bellows test piece lower extreme after the paraffin cooling, and is sealed effectual, and paraffin can also reuse after melting, and is with low costs.
Drawings
FIG. 1 is a front partial cross-sectional view of the present invention;
FIG. 2 is a partial cross-sectional view of the side of the present invention;
fig. 3 is a top view of a part of the components of the present invention.
Detailed Description
For better understanding of the objects, structure and functions of the present invention, the present invention will be described in detail with reference to the accompanying drawings.
As shown in fig. 1-3, the utility model discloses an anti seepage test device after prestressing force corrugated metal pipe bears local transverse load, including frame 1 and clamping device 2, the bellows test piece passes through the vertical connection of clamping device 2 on frame 1 lateral wall, and bellows test piece below is provided with the ascending paraffin case 3 of opening, the liquid level is higher than the paraffin of terminal surface under the bellows test piece when melting into liquid in the paraffin case 3 splendid attire, be provided with in the paraffin case 3 and be used for the heating to melt heating device 4 of paraffin. The utility model discloses a paraffin is melted in the heating, sinks into the paraffin solution with the lower extreme of bellows test piece, thereby treats that it is sealed to bellows test piece lower extreme after the paraffin cooling, and is sealed effectual, and paraffin can also reuse after melting, and is with low costs.
Further, a telescopic device 6 is vertically arranged on the side wall of the rack 1, a pressure rod 7 is connected to the telescopic device 6, the pressure rod 7 is transversely arranged on the outer side of the middle of the corrugated pipe test piece, and the telescopic device 6 drives the pressure rod 7 to extrude the corrugated pipe test piece when being shortened, so that the deformation of the corrugated pipe test piece reaches 20% of the nominal inner diameter size of the circular pipe. Therefore, after the corrugated pipe test piece is loaded, the anti-leakage test can be directly carried out, the test piece does not need to be moved around, the trouble is reduced, and the risk that the test piece is damaged in the moving process is avoided.
Specifically, the telescopic device 6 is a hydraulic cylinder or an air cylinder.
Specifically, the clamping device 2 is provided with two circular arc pipe clamps which are used for clamping the upper end and the lower end of the corrugated pipe test piece respectively, the inner diameter of each circular arc pipe clamp is equal to the outer diameter of the corrugated pipe test piece, the angle of each circular arc pipe clamp is larger than 180 degrees, and each circular arc pipe clamp has elasticity. During the use, directly with the test piece directly block in convex pipe strap can, convenient operation, because the angle of convex pipe strap is greater than 180 and its internal diameter equals with bellows test piece external diameter, can firmly block the bellows test piece, can not drop.
Further, bellows test piece upper end is provided with water adding device 5 in order to be used for the bellows test piece water injection, paraffin case 3 bottom is provided with wash port 31, after paraffin cooling solidification shutoff is at bellows test piece lower extreme, through water adding device 5 to the bellows test piece water injection, observe test piece surface seepage condition 30min, can accomplish the anti-leakage test, reheating paraffin makes paraffin melt, water in the bellows test piece flows into paraffin case 3 with paraffin together, because the density of water is greater than the density of paraffin, water can sink in the paraffin below, open the wash port 31 of paraffin case 3 bottom and can discharge water, it can to close wash port 31 again after finishing to log off.
Specifically, the water adding device 5 comprises a water tank 51, a water pump 52 and a water pipe 53, wherein a water suction port of the water pump 52 is connected in the water tank 51 so as to pump water from the water tank 51, one end of the water pipe 53 is connected with a water outlet of the water pump 52, and the other end of the water pipe is connected above the corrugated pipe test piece through a water injection port 531.
Further, the water tank 51 is provided with a water filling port 511, so that water can be conveniently filled in the water tank 51.
Specifically, the heating device 4 is a heating pipe.
Further, the clamping devices 2 are three, the three clamping devices 2 are arranged side by side at a transverse interval, and the water pipe 53 is provided with three water injection ports 531 which are respectively and correspondingly arranged above the three clamping devices 2. Typically, three test pieces are in a group so that one group of bellows test pieces can be tested at a time.
It is to be understood that the present invention has been described with reference to certain embodiments, and that various changes or equivalents may be substituted for elements thereof by those skilled in the art without departing from the spirit and scope of the invention. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from the essential scope thereof. Therefore, the present invention is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of the present application are intended to be covered by the present invention.
Claims (9)
1. The utility model provides an anti leakage test device after prestressing force corrugated metal pipe bears local transverse load, its characterized in that, including frame (1) and clamping device (2), the corrugated metal pipe test piece passes through the vertical connection of clamping device (2) on frame (1) lateral wall, and corrugated metal pipe test piece below is provided with the ascending paraffin case of opening (3), the splendid attire is equipped with the paraffin that the liquid level is higher than terminal surface under the corrugated metal pipe test piece when melting into liquid in paraffin case (3), be provided with in paraffin case (3) and be used for heating the heating device (4) that melt paraffin.
2. The device for testing the leakage resistance of the prestressed metal corrugated pipe after bearing the local transverse load according to claim 1, wherein a telescopic device (6) is vertically arranged on the side wall of the rack (1), the telescopic device (6) is connected with a pressure rod (7), the pressure rod (7) is transversely arranged on the outer side of the middle part of the corrugated pipe test piece, and when the telescopic device (6) is shortened, the pressure rod (7) is driven to extrude the corrugated pipe test piece, so that the deformation amount of the corrugated pipe test piece reaches 20% of the nominal inner diameter size of the circular pipe.
3. The device for testing the leakage resistance of the prestressed metal corrugated pipe subjected to the local transverse load according to claim 2, wherein the telescopic device (6) is a hydraulic cylinder or an air cylinder.
4. The device for testing the leakage resistance of the prestressed metal corrugated pipe subjected to the local transverse load according to claim 1, wherein the clamping devices (2) are two circular arc-shaped pipe clamps which are respectively used for clamping the upper end and the lower end of the corrugated pipe test piece, the inner diameter of each circular arc-shaped pipe clamp is equal to the outer diameter of the corrugated pipe test piece, the angle of each circular arc-shaped pipe clamp is larger than 180 degrees, and each circular arc-shaped pipe clamp has elasticity.
5. The device for testing the leakage resistance of the prestressed metal corrugated pipe subjected to the local transverse load according to claim 1, wherein a water adding device (5) is arranged at the upper end of the corrugated pipe test piece and used for injecting water into the corrugated pipe test piece, and a drain hole (31) is arranged at the bottom of the paraffin box (3).
6. The device for testing the leakage resistance of the prestressed metal corrugated pipe subjected to the local transverse load according to claim 5, wherein the water adding device (5) comprises a water tank (51), a water pump (52) and a water pipe (53), a water suction port of the water pump (52) is connected in the water tank (51) for pumping water from the water tank (51), one end of the water pipe (53) is connected with a water outlet of the water pump (52), and the other end of the water pipe is a water filling port (531) connected above the corrugated pipe test piece.
7. The device for testing the leakage resistance of the prestressed metal corrugated pipe subjected to the local transverse load according to claim 6, wherein the water tank (51) is provided with a water filling opening (511).
8. The device for testing the leakage resistance of the prestressed metal corrugated pipe subjected to the local transverse load according to claim 1, wherein the heating device (4) is a heating pipe.
9. The device for testing the leakage resistance of the prestressed metal corrugated pipe subjected to the local transverse load according to claim 6, wherein the number of the clamping devices (2) is three, the three clamping devices (2) are arranged side by side at intervals in the transverse direction, and the water pipe (53) is provided with three water injection ports (531) which are respectively and correspondingly arranged above the three clamping devices (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221640273.9U CN217738950U (en) | 2022-06-29 | 2022-06-29 | Anti-leakage test device for prestressed metal corrugated pipe after bearing local transverse load |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221640273.9U CN217738950U (en) | 2022-06-29 | 2022-06-29 | Anti-leakage test device for prestressed metal corrugated pipe after bearing local transverse load |
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| Publication Number | Publication Date |
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| CN217738950U true CN217738950U (en) | 2022-11-04 |
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| CN202221640273.9U Active CN217738950U (en) | 2022-06-29 | 2022-06-29 | Anti-leakage test device for prestressed metal corrugated pipe after bearing local transverse load |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117554202A (en) * | 2024-01-11 | 2024-02-13 | 常州富莱克汽车零部件制造有限公司 | Metal bellows local load performance detection test device |
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2022
- 2022-06-29 CN CN202221640273.9U patent/CN217738950U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117554202A (en) * | 2024-01-11 | 2024-02-13 | 常州富莱克汽车零部件制造有限公司 | Metal bellows local load performance detection test device |
| CN117554202B (en) * | 2024-01-11 | 2024-04-30 | 常州富莱克汽车零部件制造有限公司 | Metal bellows local load performance detection test device |
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