Sunk type gas shield dam
A gas shield and airbag technology, applied in the field of submerged gas shield dams, can solve the problems of affecting water flow, uneven shield plate, affecting flow rate, etc., and achieves the effect of simple structure, reduced cost, and simplified replacement work.
Inactive Publication Date: 2019-12-27
刘益贤
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Problems solved by technology
However, in this technical solution, when the shield plate is leveled, due to the technical height of the anchors (such as bolts, etc.) of the airbag, the shield plate cannot be placed horizontally in theory, and the empty airbag still has a certain volume, which will lead to If the board is placed unevenly, a hidden dam will be formed, which will affect the water flow, especially when the water flow is large (such as floods), it will affect the flow velocity
Method used
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[0019] The first embodiment of the present invention, such as figure 1 As shown, one side of the lifting plate 41 is hinged on the side wall of the groove three 13, and the lifting machine 42 is placed obliquely toward the airbag anchor bolt two. Groove three 13 is positioned at groove two 12 away from the side of airbag 3 anchor bolt two 31, and inclined hoist 42 will lift plate 41 and send to airbag obliquely, makes airbag closer to shield plate.
[0020] The lifter 42 is an air cylinder or an oil cylinder.
[0021] The invention has a simple structure, improves the existing air shield dam, simplifies the replacement work of the air bag, and reduces the improved use cost.
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The invention provides a sunk type gas shield dam, and relates to a water retaining dam, in particular to the sunk type gas shield dam. The invention provides the sunk type gas shield dam with the advantages that an air bag can be conveniently dismounted and mounted; and a shield plate can be completely placed flatly. The sunk type gas shield dam comprises a concrete foundation, the shield plate and the air bag, wherein the shield plate is hinged onto the concrete foundation; the air bag is arranged at the lower part of the shield plate and drives the shield plate to do turning action; the shield plate is anchored on a shield plate anchoring surface through a first anchoring screw bolt; the air bag is anchored onto an air bag anchoring surface through a second anchoring screw bolt; a lifting machine is vertically placed; and a lifting plate is horizontally placed. The sunk type gas shield dam has the advantages that the structure is simple; the existing gas shield dam is improved; thereplacing work of the air bag is simplified; and meanwhile, the waterflow during dam collapse flow passing of the gas shield dam cannot be influenced.
Description
technical field [0001] The invention relates to a water retaining dam, in particular to a sunken air shield dam. Background technique [0002] Air shield dams are one of the most commonly used retaining dams in river channels, and are widely used in daily river channel management. Such as image 3 As shown in Fig. 1, the shield plate and the air bag of the existing gas shield dam are usually installed on one anchor point (that is, on the same anchor line perpendicular to the flow direction of the river). In this case, if one of the several airbags is damaged and needs to be replaced or repaired, the shield and the airbag must be removed together, because the steel shield is bulky and heavy, and it is troublesome to disassemble and reinstall . [0003] For this reason, for the convenience of maintenance and dismantling of the airbag, some production units have proposed a technical scheme of installing the airbag and the shield plate on two anchor lines respectively, such as...
Claims
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IPC IPC(8): E02B7/40
CPCE02B7/40
Inventor 刘益贤
Owner 刘益贤
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