CN218629317U - Shield constructs section of jurisdiction and uses rubber seal pad water pressure resistant experiment device - Google Patents
Shield constructs section of jurisdiction and uses rubber seal pad water pressure resistant experiment device Download PDFInfo
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- CN218629317U CN218629317U CN202222883751.5U CN202222883751U CN218629317U CN 218629317 U CN218629317 U CN 218629317U CN 202222883751 U CN202222883751 U CN 202222883751U CN 218629317 U CN218629317 U CN 218629317U
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- pressing plate
- sealing gasket
- water pressure
- rubber sealing
- pressure resistance
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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Abstract
The utility model relates to a shield constructs the waterproof sealed pad detection technology field of section of jurisdiction, concretely relates to shield constructs section of jurisdiction and uses rubber packing water pressure resistance experimental apparatus, including top board and holding down plate, the top board is installed upper rubber packing, the holding down plate is installed lower rubber packing, constitute water pressure resistance test cavity between upper rubber packing and the lower rubber packing, water pressure resistance test cavity is provided with water inlet device, drainage device, exhaust apparatus and pressure display device; one side of the lower pressing plate is fixedly connected with a baffle, and a dislocation amount adjusting device is arranged between the baffle and one end of the upper pressing plate corresponding to the baffle. The utility model discloses make the shield construct the sealed water pressure resistant experiment result of rubber packing for the section of jurisdiction more accurate for the sealed effect of sealing of rubber packing for the shield constructs the section of jurisdiction is better.
Description
Technical Field
The utility model relates to a shield constructs that it is waterproof with sealed the pad detection technology field, concretely relates to shield constructs that pipe sheet is with sealed water pressure resistant experiment device of rubber packing pad.
Background
The information disclosed in the background of the invention is only for enhancement of understanding of the general background of the invention and is not necessarily to be construed as an admission or any form of suggestion that this information constitutes prior art that is already known to a person of ordinary skill in the art.
The shield segment is a main assembly component for shield construction, is an innermost barrier of a tunnel, plays a role in resisting soil layer pressure, underground water pressure and some special loads, is a permanent lining structure of the tunnel by a shield method, and the quality of the shield segment is directly related to the overall quality and safety of the tunnel, so that the waterproof performance and the durability of the tunnel are influenced.
The elastic rubber sealing gasket of the shield segment can reduce the compression stress during assembly, has better compression stress resistance and longer service life. Moreover, the rubber sealing pad also has a double sealing and water stopping function, and can ensure the sealing and water stopping effect when certain gaps and offsets are generated between the pipe pieces in engineering construction.
Among the prior art, application number 202220062071.4's patent document discloses a pipeline rubber seal pad water pressure resistance test device, including the workstation, the through-hole has been seted up to the terminal surface under the workstation, and workstation lower extreme fixedly connected with suppresses the device, workstation upper end fixedly connected with safety cover, safety cover upper end fixedly connected with sealing device. This patent is through starting the cylinder, the cylinder output shaft drives the closing plate and moves down, the closing plate carries out the withstand voltage pipe of first withstand voltage pipe of downdraft and the withstand voltage pipe of second, make the withstand voltage inside space of first withstand voltage pipe and second seal, at this moment in the confined space is injected with water to rethread pressure device, make three rubber pad receive the same pressure simultaneously, the effect of carrying out the water pressure test experiment to three rubber pad simultaneously has been reached, in order to solve the problem that the sealed water pressure test device of current glue pad can only carry out the water pressure test to one or a sealed pad of glue.
However, the device for testing the hydraulic pressure resistance of the rubber sealing gasket of the pipeline cannot simulate the hydraulic pressure resistance test of the rubber sealing gasket when the pipe pieces deviate, namely, the deviation amount exists; further, the exhaust cannot be performed when the water pressure is increased, resulting in inaccurate experimental results.
SUMMERY OF THE UTILITY MODEL
To the problem that exists among the prior art, the utility model aims to provide a shield constructs sealed water pressure resistant experimental apparatus of rubber packing for section of jurisdiction.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a water pressure resistance experiment device for a rubber sealing gasket for a shield segment comprises an upper pressing plate and a lower pressing plate, wherein the upper pressing plate is provided with an upper rubber sealing gasket, the lower pressing plate is provided with a lower rubber sealing gasket, a water pressure resistance test cavity is formed between the upper rubber sealing gasket and the lower rubber sealing gasket, and the water pressure resistance test cavity is provided with a water inlet device, a water drainage device, an exhaust device and a pressure display device; one side of the lower pressing plate is fixedly connected with a baffle, and a dislocation amount adjusting device is arranged between the baffle and one end of the upper pressing plate corresponding to the baffle.
Preferably, the misalignment amount adjustment means includes a plurality of adjustment shims having different thicknesses.
Preferably, the height of the baffle and the adjusting shim at least corresponds to the position of the upper pressure plate.
Preferably, the upper pressing plate and the lower pressing plate are connected through a threaded fixing piece, and the upper pressing plate is provided with an adjusting hole matched with the bolt assembly for connection; the adjusting hole is a long strip-shaped through hole, and the length direction of the long strip-shaped through hole is arranged along the offset direction of the dislocation quantity.
Preferably, the lower pressing plate is detachably fixed on the workbench, and the baffle is detachably connected with the lower pressing plate through a bolt assembly.
Preferably, the upper pressing plate and the lower pressing plate are both provided with simulation pipe sheet grooves for installing the upper rubber sealing gasket and the lower rubber sealing gasket.
Preferably, the water inlet device and the water outlet device share one interface, the air outlet device is an air outlet valve, and the pressure display device is a pressure gauge.
Has the beneficial effects that: the utility model has the advantages that the baffle, the adjusting gasket and the adjusting hole are arranged, so that the upper rubber sealing gasket and the lower rubber sealing gasket can deviate to generate a dislocation amount, and the water pressure resistance test for generating a certain gap and deviation between the pipe pieces is simulated, so that the experimental result is more accurate;
the exhaust device is arranged in the water pressure resistant test cavity, so that air can be exhausted when water is supplied to the water pressure resistant test cavity before a water pressure resistant test is carried out, and the test result is more accurate;
the utility model discloses it is better to make a rubber packing pad that is used for the shield to construct the section of jurisdiction sealed effect, and life is longer to the whole life of extension shield structure section of jurisdiction construction engineering.
Drawings
FIG. 1 is a schematic view of the main structure of the present invention;
fig. 2 is a schematic perspective view of the present invention;
FIG. 3 is a diagram illustrating the offset of the offset;
in the figure, a workbench 1, an upper pressing plate 2, an upper rubber sealing gasket 21, a lower pressing plate 3, a lower rubber sealing gasket 31, a baffle 4, an adjusting gasket 5, an exhaust device 6, a pressure display device 7, a simulation pipe sheet groove 8, a water inlet device 9, a water drainage device 10 and an adjusting hole 11.
Detailed Description
The present invention will be further described with reference to the following specific embodiments and the accompanying drawings.
Fig. 1 to 3 show a water pressure resistance experiment device for a rubber sealing gasket for a shield segment, which comprises an upper pressing plate 2 and a lower pressing plate 3, wherein the upper pressing plate 2 is provided with an upper rubber sealing gasket 21, the lower pressing plate 3 is provided with a lower rubber sealing gasket 31, a water pressure resistance test cavity is formed between the upper rubber sealing gasket 21 and the lower rubber sealing gasket 31, and the water pressure resistance test cavity is provided with a water inlet device 9, a water drainage device, an exhaust device 106 and a pressure display device 7; one side of the lower pressing plate 3 is fixedly connected with a baffle 4, and a dislocation amount adjusting device is arranged between the baffle 4 and one end of the upper pressing plate 2 corresponding to the baffle 4.
In another preferred embodiment, the offset adjusting device comprises a plurality of adjusting shims 5 with different thicknesses, and the adjusting shims 5 are placed on the lower pressure plate 3 and are placed between the baffle 4 and the end face of the upper pressure plate 2; the size of the dislocation quantity is adjusted by different thicknesses of the adjusting gaskets 5.
In another preferred embodiment, the height of the baffle 4 and the adjusting shim 5 at least corresponds to the position of the upper pressure plate 2; the method is favorable for stabilizing the dislocation quantity.
In another preferred embodiment, the upper press plate 2 and the lower press plate 3 are connected through a threaded fixing piece, and the upper press plate 2 is provided with an adjusting hole 11 which is connected with a matching bolt assembly; as shown in fig. 2, the adjusting hole 11 is an elongated through hole, and the length direction of the elongated through hole is arranged along the offset direction of the displacement amount.
In another preferred embodiment, the lower pressing plate 3 is detachably fixed on the workbench 1, and the baffle plate 4 is detachably connected with the lower pressing plate 3 through a bolt assembly; make the utility model discloses can install on the different workstations 1 in different places.
In another preferred embodiment, as shown in fig. 3, the upper press plate 2 and the lower press plate 3 are both provided with simulated tube sheet slots 8 for installing the upper rubber gasket 21 and the lower rubber gasket 31.
In another preferred embodiment, the water inlet device 9 and the water outlet device are valves sharing a common interface, the air outlet device 106 is an air outlet valve, and the pressure display device 7 is a pressure gauge.
The operation flow and the method are as follows:
(1) After the assembly is finished, the dislocation quantity is adjusted by adjusting the adjusting gasket 5 and the upper pressure plate 2 according to the design requirement;
(2) The ball valve of the exhaust device 106 is opened, so that the system can exhaust normally;
(3) Connecting the water inlet device 9 with a hydrostatic testing machine, continuously feeding water and removing air, and when the exhaust device 106 discharges water flow, proving that the exhaust is finished, closing a valve;
(4) Starting a pressurizing function of a hydrostatic testing machine, increasing the pressure from 0 to the design requirement at the rate of 0.1Mpa each time, and maintaining the pressure for 30min after stabilizing the hydraulic pressure during the pressure increase each time; in the pressure maintaining process, the pressure change is paid attention to at any time, and the system pressure is kept constant by properly supplementing pressure;
during the experiment, if water leakage occurs, the pressure should be stopped. The relevant data at this time is recorded.
The utility model has the advantages that the baffle 4, the adjusting gasket 5 and the adjusting hole 11 are arranged, so that the upper rubber sealing gasket 21 and the lower rubber sealing gasket 31 can deviate to generate a dislocation amount, and a water pressure resistance test for generating certain clearance and deviation between the pipe pieces is simulated, so that the experimental result is more accurate;
the exhaust device 106 is arranged in the water pressure resistant test cavity, so that air can be exhausted when water is supplied to the water pressure resistant test cavity before a water pressure resistant test is carried out, and the test result is more accurate;
the utility model discloses it is better to make a rubber packing pad sealing effect for the shield constructs the section of jurisdiction, and life is longer to the whole life of extension shield constructs section of jurisdiction construction engineering.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications or substitutions do not depart from the scope of the invention in its corresponding aspects.
Claims (7)
1. A water pressure resistance experiment device for a rubber sealing gasket for a shield segment comprises an upper pressing plate and a lower pressing plate, wherein the upper pressing plate is provided with an upper rubber sealing gasket, the lower pressing plate is provided with a lower rubber sealing gasket, and a water pressure resistance test cavity is formed between the upper rubber sealing gasket and the lower rubber sealing gasket; one side of the lower pressing plate is fixedly connected with a baffle, and a dislocation amount adjusting device is arranged between the baffle and one end of the upper pressing plate corresponding to the baffle.
2. The device for testing the water pressure resistance of the rubber sealing gasket for the shield segment as claimed in claim 1, wherein the displacement adjusting device comprises a plurality of adjusting gaskets with different thicknesses.
3. The device for testing the water pressure resistance of the rubber sealing gasket for the shield segment as claimed in claim 2, wherein the heights of the baffle and the adjusting gasket at least correspond to the positions of the upper pressing plate.
4. The water pressure resistance experiment device for the rubber sealing gasket for the shield segment as recited in claim 1, wherein the upper pressing plate and the lower pressing plate are connected through a threaded fastener, and the upper pressing plate is provided with an adjusting hole which is connected with a bolt assembly in a matching manner; the adjusting hole is a long strip-shaped through hole, and the length direction of the long strip-shaped through hole is arranged along the offset direction of the dislocation quantity.
5. The experimental device for the water pressure resistance of the rubber sealing gasket for the shield segment as claimed in claim 1, wherein the lower pressing plate is detachably fixed on the workbench, and the baffle is detachably connected with the lower pressing plate through a bolt assembly.
6. The water pressure resistance experiment device for the rubber sealing gasket for the shield segment as recited in claim 1, wherein the upper pressing plate and the lower pressing plate are both provided with simulated segment grooves for mounting the upper rubber sealing gasket and the lower rubber sealing gasket.
7. The experimental device for the water pressure resistance of the rubber sealing gasket for the shield segment as claimed in claim 1, wherein the water inlet device and the water discharge device are valves sharing one interface, the air discharge device is an air discharge valve, and the pressure display device is a pressure gauge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222883751.5U CN218629317U (en) | 2022-10-31 | 2022-10-31 | Shield constructs section of jurisdiction and uses rubber seal pad water pressure resistant experiment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222883751.5U CN218629317U (en) | 2022-10-31 | 2022-10-31 | Shield constructs section of jurisdiction and uses rubber seal pad water pressure resistant experiment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218629317U true CN218629317U (en) | 2023-03-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222883751.5U Active CN218629317U (en) | 2022-10-31 | 2022-10-31 | Shield constructs section of jurisdiction and uses rubber seal pad water pressure resistant experiment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218629317U (en) |
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2022
- 2022-10-31 CN CN202222883751.5U patent/CN218629317U/en active Active
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