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Ball sealer for water inlet of dam bottom hole bypass pipe and method for replacing dam bottom hole bypass valve

A replacement method and bypass valve technology, which is applied in water conservancy projects, sea area projects, construction, etc., can solve problems such as difficult replacement and damage to water filling valves, and achieve the effects of saving valve replacement costs, reducing safety hazards, and improving work efficiency

Active Publication Date: 2015-02-11
新疆额尔齐斯河投资开发(集团)有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The invention provides a plugging ball for the water inlet of the bypass pipe at the bottom hole of the dam and a replacement method for the bypass valve at the bottom hole of the dam, which overcomes the above-mentioned deficiencies in the prior art and can effectively solve the problem of water filling in the bypass at the bottom hole of the dam Valve damage is not easy to replace

Method used

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  • Ball sealer for water inlet of dam bottom hole bypass pipe and method for replacing dam bottom hole bypass valve

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] Example 1, such as figure 1 As shown, the dam bottom hole bypass pipe water inlet sealing ball includes a ball 1; the surface of the ball 1 is fixed with lifting lugs 2.

[0022] According to actual needs, the above-mentioned dam bottom hole bypass pipe water inlet plugging ball can be further optimized or / and improved:

[0023] like figure 1 As shown, a suspension ring 3 is fixed on the surface of the ball 1 corresponding to the other end of the suspension ear 2 , and a side pull ring 4 is fixed on the surface of the ball between the suspension ear 2 and the suspension ring 3 . Counterweight is installed on suspension ring 3, how many and weight of counterweight are determined according to the depth of water and the speed of current.

[0024] like figure 1 Shown, the surface of ball 1 is fixed with one deck soft rubber 5. Soft rubber 5 is mainly in order to enhance sealing performance, can effectively block nozzle, prevents the jet of water that causes because o...

Embodiment 2

[0026] Example 2, such as figure 2 As shown, a method for replacing the dam bottom hole bypass valve using the water inlet plugging ball of the dam bottom hole bypass pipe is carried out according to the following steps: the first step, at first fixedly install the winch on the dam surface 9, and place the The lifting lug 2 on the ball 1 is fixedly connected with the winch through the steel wire rope 12, the bypass water filling valve 11 is closed, and then the water inlet sealing ball of the bypass pipe at the bottom hole of the dam is lowered to seal the water inlet of the bypass pipe at the bottom hole of the dam. The blocking ball is positioned at the water inlet of the bottom hole gate bypass pipe 8 on the left side of the dam 7; the second step: build an installation platform in the corridor 10 on the right side of the dam 7, and prepare a new bypass water filling valve 11; The third step is to open the bypass water filling valve 11, and the water inlet sealing ball of t...

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Abstract

The invention relates to the technical field of dam sealing matched devices and methods for replacing dam bottom hole bypass filling valves, in particular to a ball sealer for a water inlet of a dam bottom hole bypass pipe and a method for replacing a dam bottom hole bypass valve. The ball sealer for the water inlet of the dam bottom hole bypass pipe comprises a round ball, wherein a lifting lug is fixedly arranged on the surface of the round ball; a lifting ring is fixedly arranged on the surface of the other end, which corresponds to the lifting lug, of the round ball; a side pull ring is fixedly arranged on the surface of the round ball between the lifting lug and the lifting ring; and a layer of soft rubber is fixedly arranged on the surface of the round ball. The ball sealer for the water inlet of the dam bottom hole bypass pipe is sealed at the water inlet of the bypass pipe by skillfully utilizing water pressure, so that a bypass filling valve can be safely and quickly replaced; and therefore, the potential safety hazard caused by replacing the valve is greatly reduced, safety accidents are avoided, the working efficiency of replacing the valve is improved, the cost of replacing the valve is saved, and the risk that equipment worth tens of millions RMB in a gallery is damaged is avoided.

Description

technical field [0001] The invention relates to the technical field of a dam sealing matching device and a method for replacing a dam bottom hole bypass water filling valve, and relates to a method for replacing a dam bottom hole bypass pipe water inlet sealing ball and a dam bottom hole bypass valve. Background technique [0002] like figure 2 As shown, the left side of the dam 7 is the catchment area, and the right side is the water discharge area. The inside of the dam 7 is equipped with a dam bottom hole maintenance gate 14, and there is a bottom hole steel gate 14 on the right side of the dam bottom hole maintenance gate 14. Lining 13, from the left side of the dam 7 to the bottom hole steel lining 13, there is a bypass pipe 8 connecting the water collection area and the inside of the bottom hole steel lining, and a plug is fixedly installed on the bypass pipe 8 on the right side of the dam 7 The bypass filling valve 11 of the bypass pipe 8 and the bypass filling valve...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E02B8/04
Inventor 蔡立阮新民
Owner 新疆额尔齐斯河投资开发(集团)有限公司
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