Cambered surface sealing and fastening water-pressure-resistant device

Abstract

The utility model discloses a cambered surface sealing and fastening water pressure resistant device, which comprises a cylinder body and a pressure resistant protective cover, the pressure resistant protective cover is provided with a cambered surface matched with the cylinder body, a protective cover sealing gasket is arranged between the cambered surface of the pressure resistant protective cover and the cylinder body, the pressure resistant protective cover is provided with a wire hole for a test cable to pass through, and the pressure resistant protective cover is provided with an arc surface matched with the cylinder body. A wire pressing nut is arranged at the wire hole, and a wire sealing gasket is arranged between the wire pressing nut and the wire controller. According to the utility model, the sealing surface is designed in a targeted manner, the silica gel shield sealing gasket is adopted to seal the sealing surface, and meanwhile, the four sealed corners of the shield are fixed with the cylinder body through screws, so that the sealing gasket can be better attached to the arc-shaped surface, and the pressure-resistant protective cover has the advantages of being capable of bearing high water pressure, corrosion-resistant, high-temperature-resistant and the like; and the influence of measured object factors is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to civil engineering technical field especially relates to a cambered surface sealing fastening water pressure device. BACKGROUND

[0002] Steel stress meter is applied to monitor the stress of steel in reinforced concrete or other structures, such as Figure 1 As shown in the figure, the steel stress meter is composed of a cylinder 1, a steel string 2, a coil 3 and a test cable 4.

[0003] The steel stress meter is applied to monitor the stress of steel in reinforced concrete or other structures, such as bridge pier column, foundation pile, submarine tunnel structure and super-long cast-in-place pile foundation. The steel stress meter is arranged at a position with a depth of several meters to 70 meters in these projects. In the application, the steel stress meter body is composed of multiple components, and the electronic component part is an important part in the test. However, in the traditional process, the part is sealed by pouring epoxy glue due to the adoption of a tapered thread. After the concrete of the reinforced concrete structure is poured, the hydration heat generated by the solidification of the concrete is not less than 70 DEG C. The pouring glue sealing is sealed by its own adhesion, and is affected by the temperature and the shrinkage of the solidified concrete, so that the sealing is not strict, water enters, no data, and the wire signal is short-circuited, so that the monitoring is not complete, cannot be remedied, and the problem of replacement is caused, which increases the economy and cost. CONTENT OF THE UTILITY MODEL

[0004] The utility model discloses a cambered surface sealing fastening water pressure device, and the sealing surface is designed in pertinence, the sealing surface is sealed to the sealing pad of silica gel protective cover, and the four corners of the protective cover sealing are fixed with the cylinder through screws, so that the sealing pad and the arc surface are better combined, and the pressure protection cover can bear high water pressure, corrosion resistance, high temperature resistance and other advantages, and is not affected by the factors of the measured object.

[0005] The utility model discloses a cambered surface sealing fastening water pressure device, and the sealing surface is designed in pertinence, the sealing surface is sealed to the sealing pad of silica gel protective cover, and the four corners of the protective cover sealing are fixed with the cylinder through screws, so that the sealing pad and the arc surface are better combined, and the pressure protection cover can bear high water pressure, corrosion resistance, high temperature resistance and other advantages, and is not affected by the factors of the measured object.

[0006] A cambered surface sealing fastening water pressure device, including the cylinder and the pressure protection cover, the pressure protection cover is equipped with the arc surface of with the cylinder adaptation, the arc surface of the pressure protection cover with the cylinder between be equipped with the protective cover sealing pad, the pressure protection cover is equipped with the wire hole that test cable passes through, be equipped with the wire nut at the wire hole, the wire nut with wire control between be equipped with the wire sealing pad.

[0007] Further, the pressure protection cover is integrally processed.

[0008] Further, the pressure protection cover is made of alloy material.

[0009] Further, the protective cover sealing pad is made of silica gel material.

[0010] Further, the arc surface of the pressure-resistant protective cover is provided with a positioning step surface.

[0011] Further, the wire sealing gasket is tapered away from the end of the wire pressing nut.

[0012] Further, the protective cover sealing gasket is fixed to the cylinder by screws.

[0013] The utility model discloses the beneficial effect is:

[0014] The utility model discloses the beneficial effect is: Brief description of drawings

[0015] Figure 1 It is the structural schematic diagram of steel stress meter in prior art;

[0016] Figure 2 It is the perspective view of arc surface sealing fastening water pressure resistant device in the utility model embodiment;

[0017] Figure 3 It is the side view of arc surface sealing fastening water pressure resistant device;

[0018] Figure 4 It is Figure 3 A-A direction sectional view in the utility model;

[0019] In the drawing, 1, cylinder;2, steel string;3, coil;4, test cable;5, pressure-resistant protective cover;6, protective cover sealing gasket;7, arc surface;8, step surface;9, wire pressing nut;10, wire sealing gasket;11, screw. Specific implementation

[0020] The technical scheme of the utility model will be described clearly and completely in combination with embodiments, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0021] Reference Figures 2-4 The utility model provides a technical scheme:

[0022] Embodiment:

[0023] Such as Figures 2-4As shown, a kind of arc sealing fastening water pressure resistant device, including cylinder 1 and pressure protection cover 5, the pressure protection cover 5 is equipped with the arc surface 7 (arc surface 7 pressure protection cover 5 is the device according to the demand steel stress gauge diameter R arc surface design, middle adds silica gel sealing gasket and better with arc surface fit;Therefore, arc surface 7 pressure protection cover 5 can withstand high water pressure, corrosion resistance, high temperature resistance and other advantages, not by the measured object factor influence), the arc surface 7 of the pressure protection cover 5 between the cylinder 1 is equipped with by silica gel material and is made of cover sealing gasket 6, the pressure protection cover 5 is equipped with the wire hole for test cable 4 to pass through, the wire hole is equipped with wire pressing nut 9, the wire pressing nut 9 between wire control is equipped with lead sealing gasket 10, the lead sealing gasket 10 away from the end of wire pressing nut 9 is tapered.

[0024] The pressure protection cover 5 is integrally processed from an alloy material, which means that the pressure protection cover 5 is processed from an alloy piece to ensure the integrity of the cover without joints, thereby playing the roles of electronic component protection and water pressure resistance.

[0025] As shown in the drawings, Figure 2 The arc surface 7 of the pressure protection cover 5 is provided with a positioning step surface 8. The silica gel sealing gasket is surface-fitted with the arc surface of the steel stress gauge, because it will be deformed when being pressed by the fastening screw 11, and is limited by the step.

[0026] The cover sealing gasket 6 is fixed to the cylinder 1 by the screw 11. The screw 11 is connected to the cylinder 1 after passing through the pressure protection cover 5, and the head of the screw 11 is located outside the cover.

[0027] The cylinder 1 is provided with threads at both ends for connecting sensor connectors. The existing steel stress gauge is immediately sealed by the arc surface 7, which is not water pressure resistant, due to the temperature and shrinkage of concrete, so that the main reason for the problems or aging of the steel stress gauge is the problem of the sealing of the arc surface 7.

[0028] The structure can improve the survival rate of the laid steel stress gauge, can withstand water pressure of 0.8 MPa, can withstand high temperature of 110 DEG C, and the insulation resistance is greater than 50 MΩ.

[0029] The sealing surface is designed specifically, the sealing surface is sealed by the silica gel cover sealing gasket, and the cover sealing gasket is fixed to the cylinder by screws at four corners, so that the sealing gasket and the arc surface are better fitted, and the pressure protection cover can withstand high water pressure, corrosion resistance, high temperature resistance and other advantages, not affected by the measured object factor.

[0030] The above merely describes preferred embodiments of the present application, and it should be understood that the present application is not limited to the forms disclosed herein, and should not be considered as excluding other embodiments, but can be used in various other combinations, modifications and environments, and can be modified within the scope of the concepts described herein, by the above teachings or related art or knowledge. Any modification and change made by those skilled in the art without departing from the spirit and scope of the present application shall be within the protection scope of the claims of the present application.

Claims

1. A cambered surface sealing and fastening pressure resistant device comprising a cylinder and a pressure resistant protective cover, characterized in that: The pressure-resistant protective cover is provided with an arc surface matched with the barrel, a cover sealing gasket is arranged between the arc surface of the pressure-resistant protective cover and the barrel, the pressure-resistant protective cover is provided with a wire hole through which a test cable passes, a wire pressing nut is arranged at the wire hole, and a wire guide sealing gasket is arranged between the wire pressing nut and the wire hole.

2. The arc-seal, fastening, pressure-tight device of claim 1, wherein: The pressure-resistant protective cover is integrally formed.

3. The arcuate surface sealing and fastening pressure resistant device according to claim 2, characterized in that: The pressure-resistant protective cover is made of an alloy material.

4. The arc-seal, fastening, pressure-tight device of claim 1, wherein: The cover sealing gasket is made of silica gel material.

5. The arcuate surface sealing and fastening pressure device according to claim 1, wherein: A positioning step surface is arranged on the arc surface of the pressure-resistant protective cover.

6. The arcuate surface sealing and fastening pressure resistant device according to claim 1, wherein: The wire guide sealing gasket is tapered away from one end of the wire pressing nut.

7. The arcuate sealing and fastening pressure device of claim 1, wherein: The cover sealing gasket is fixed to the barrel by a screw.

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