CN212103933U

CN212103933U - Be applied to self-inflating water sealing device among hydraulic and hydroelectric engineering

Info

Publication number: CN212103933U
Application number: CN202020564642.5U
Authority: CN
Inventors: 蒲楠楠; 张金斌
Original assignee: China Water Resources Pearl River Planning Surverying & Designing Co ltd
Current assignee: China Water Resources Pearl River Planning Surverying & Designing Co ltd
Priority date: 2020-04-16
Filing date: 2020-04-16
Publication date: 2020-12-08
Anticipated expiration: 2030-04-16

Abstract

The utility model relates to a be applied to self-pressurization water seal device among hydraulic and hydroelectric engineering, the device comprises gasbag formula water seal, compression cylinder, charging line, air supplement unit, emptying devices. The device drives the piston of the compression cylinder to move through the lifting movement of the gate, so that the air bag type water seal is pressurized and automatically decompressed, the water seal is pressurized, expanded and sealed when the gate needs water stopping, and the water seal is decompressed and contracted when the gate does not need water stopping. The pressurizing pipeline is connected with the compression cylinder and the air bag type water seal to pressurize and decompress the air bag type water seal; the air supplement device supplements air to the device under the condition that the pressure of the air bag of the water seal is insufficient; the emptying device can empty the gas into the device. The utility model discloses the pattern is novel, arrange simply, can realize the automatic punching press function of water seal, has avoided traditional water seal precompression to require the difficulty brought for installation and operation, has avoided traditional water seal to lead to the gate stagnant water not tight and the phenomenon of leaking because of the difference in water pressure is not enough about the gate simultaneously.

Description

Be applied to self-inflating water sealing device among hydraulic and hydroelectric engineering

Technical Field

The utility model relates to a gate technical field, concretely relates to be applied to self-charging water sealing device among hydraulic and hydroelectric engineering.

Background

In hydraulic and hydroelectric engineering, a gate water stopping device usually adopts a pre-compression installation form. However, due to the installation and the precision of the equipment, the water stopping effect of water retaining equipment such as a gate is not good. In the plain river network, because the water pressure difference is small, the water stopping effect of the common water stopping device is not obvious, and the water leakage phenomenon of a gate is common.

Based on the above problem, the utility model mainly provides a be applied to self-inflating water sealing device among hydraulic and hydroelectric engineering, effectively solve above-mentioned technical problem.

In order to match with corresponding buildings and landscapes, some novel landscape water gate types are continuously designed and developed, appear in engineering practice and play important roles of flood control, ecology, beauty and the like.

Disclosure of Invention

The utility model aims at providing a self-charging water sealing device applied to hydraulic and hydroelectric engineering in order to overcome the problems of the prior art vacancy and existence.

The utility model discloses the concrete technical scheme who adopts as follows:

a self-inflating water-sealing device applied to water conservancy and hydropower engineering comprises an air bag type water seal, a compression cylinder, a inflating pipeline, an air-supplementing device and an emptying device;

the air bag type water seal is arranged on the periphery of the gate or the periphery of the gate slot or two sides of the top-exposed gate or the bottom of the gate, and can fill a gap between the gate and the gate slot when being inflated; the interior of the gate is placed in the compression cylinder, the end part of a piston rod of the compression cylinder extends out of the bottom of the gate, the piston of the compression cylinder is driven to move through the lifting movement of the gate, and therefore the air bag type water seal is pressurized and automatically decompressed through the pressurizing pipeline, the water seal is pressurized, expanded and sealed when the gate needs water stopping, and the water seal is decompressed and contracted when the water stopping is not needed. The air supplementing device is connected with the air bag type water seal and is used for supplementing air to the air bag type water seal; the air release device is connected with the air bag type water seal and used for releasing air in the air bag type water seal.

Preferably, the pressurizing pipeline comprises a pressurizing pipeline control valve, a pressurizing pipe and a pressurizing pipeline pressure gauge, two ends of the pressurizing pipe are respectively connected with the air bag type water seal and the air cylinder inner cavity of the compression air cylinder, and the pressurizing pipeline control valve and the pressurizing pipeline pressure gauge are both arranged on the pressurizing pipe.

Preferably, at least one section of pipeline on the pressurizing pipe is a flexible pipeline and is used for adapting to the displacement of the compression cylinder in the lifting process along with the gate.

Preferably, the air supplement device comprises a pressurizing device and an air supplement pipe, and the pressurizing device is communicated with the air bag type water seal through the air supplement pipe.

Furthermore, the air supplementing device further comprises an air supplementing pipeline control valve, an air supplementing pipeline check valve and an air supplementing pipeline pressure gauge, and the air supplementing pipeline control valve, the air supplementing pipeline check valve and the air supplementing pipeline pressure gauge are all arranged on the air supplementing pipe.

Preferably, the emptying device comprises an emptying pipe and an emptying pipeline control valve, the emptying pipeline control valve is arranged on the emptying pipe and used for controlling the opening and closing of the emptying pipe, and the emptying device can be arranged in the gate body or integrated with the air supplementing device.

Preferably, the air supply device comprises a mobile air supply pump.

Preferably, the compression cylinder has one, two or more than two, and each compression cylinder is respectively connected with the airbag type water seal through a pressurizing pipeline according to the water seal structure.

Preferably, the charging pipeline is arranged in the gate body or the gate slot.

Preferably, the air supply device and the emptying device can be used as movable components and can be placed in a pump valve well outside a sluice building or in a maintenance equipment room or other positions.

Compared with the prior art, the utility model discloses a from water seal device can drive the motion of compression cylinder piston through the lift activity of gate to carry out pressurization and automatic decompression to gasbag formula water seal, reach the gate and fill the inflation stagnant water when needing the stagnant water, water seal decompression shrink when not needing the stagnant water. The utility model discloses a from pressurized-water sealing device can use in the original little river courses of water difference such as plain river network, can rely on gate self motion to reach automatic stagnant water effect, has effectively compensatied the not enough that traditional water sealing device leaked, and the higher gate of flood peak also can adopt.

Drawings

Fig. 1 is a schematic diagram of a self-inflating water sealing device applied to hydraulic and hydroelectric engineering in an embodiment.

Fig. 2 is a schematic diagram of the arrangement of a self-inflating hydraulic device applied to hydraulic and hydroelectric engineering in the embodiment.

The reference numbers in the figures are: the air-bag type air-supply system comprises an air-bag type water seal 1, a compression cylinder 2, a charging pipeline 3, an air supplementing device 4, an air discharging device 5, an automatic charging system 6, a charging pipeline control valve 3-1, a charging pipe 3-2, a charging pipeline pressure gauge 3-3, a pressurizing device 4-1, an air supplementing pipeline pressure gauge 4-2, an air supplementing pipeline control valve 4-3, an air supplementing pipe 4-4, an air supplementing pipeline check valve 4-5, an air discharging pipe 5-1 and an air discharging pipeline control valve 5-2.

Detailed Description

The invention will be further elucidated and described with reference to the drawings and embodiments. The utility model discloses in the technical characteristics of each embodiment under the prerequisite that does not conflict each other, all can carry out corresponding combination.

In a preferred embodiment of the present invention, a self-pressurizing water sealing device for use in hydraulic and hydroelectric engineering is provided. The device can be applied to riverways with smaller water difference such as plain river networks and the like, and the water stop effect of the gate is achieved by adjusting the self-inflating water seal pressure. The following specifically describes a specific embodiment of the self-pressurizing water seal device.

As shown in figure 1, the self-pressurizing water sealing device consists of an automatic pressurizing system 6, an air replenishing device 4 and a venting device 5. The automatic pressurizing system 6 comprises three parts, namely an air bag type water seal 1, a compression cylinder 2 and a pressurizing pipeline 3.

As shown in fig. 2, the airbag type water seal 1 is installed around the gate, or around the gate slot, or on both sides of the top-exposed gate or the bottom of the gate, or on both sides of the bottom shaft gate or the bottom of the gate. The air bag type water seal 1 is a water seal with an air bag arranged inside, and the water seal can fill a gap between the gate and the gate slot or the water stop seat board when the air bag is pressurized. The compression cylinder 2 is arranged in the gate, the core of the compression cylinder 2 is a cylinder inner cavity controlled by a piston, and the compression and expansion effects on the cylinder inner cavity can be formed when the piston reciprocates in the cylinder. And the utility model provides a although place the gate in compression cylinder 2 in, its tailpiece of the piston rod portion need stretch out gate bottom or side, consequently when the gate descends or removes to a certain position, the tailpiece of the piston rod bottom will prop up on floodgate bottom plate or other supports, along with the gate further descends or removes, the piston rod will drive the tailpiece of the piston to compress cylinder inner chamber, and then outwards carry inside gas. The charging pipeline 3 is used for connecting the air bag type water seal 1 and the compression cylinder 2 to realize communication. In this embodiment, the charging pipeline 3 is composed of a charging pipeline control valve 3-1, a charging pipe 3-2 and a charging pipeline pressure gauge 3-3. Two ends of a charging pipe 3-2 are respectively connected with the air bag type water seal 1 and the cylinder inner cavity of the compression cylinder 2, and a charging pipe control valve 3-1 and a charging pipe pressure gauge 3-3 are both arranged on the charging pipe 3-2. The charging pipeline control valve 3-1 is used for controlling the on-off of the charging pipe 3-2, the charging pipeline pressure gauge 3-3 is used for detecting the air pressure in the charging pipe 3-2, wherein the charging pipeline pressure gauge 3-3 can be installed for observation only when pressure data is needed.

The automatic inflation principle of the automatic pressurization system 6 is as follows: the device adopts the principle of air pressure balance. The piston rod in the compression cylinder 2 generates compression movement to the piston cylinder according to the lifting or moving of the gate. When the gate descends or moves, the piston rod is compressed under the action of the gravity or the thrust of the gate, and the gas in the gate can be blown into the airbag type water seal 1 through the pressurizing pipe 3-2, so that the airbag type water seal 1 expands to fill the gap between the gate and the gate slot, and the gate water stopping effect is realized. When the gate rises or is opened and moved, the piston rod is separated from the gate bottom plate or is supported, the free state is recovered, the compressed gas in the gas cavity is expanded again, the piston head is pushed to move downwards to expand the gas cavity, the gas in the gas bag type water seal 1 returns to the compression cylinder 2 again, and the water stopping gas bag is contracted, so that the gate is opened and closed.

In addition, in the long-term use process, the airbag type water seal 1 may have insufficient air pressure, so the airbag type water seal 1 can be connected through the air supplement device 4 and used for supplementing air to the airbag type water seal 1. Meanwhile, an emptying device 5 is required to be arranged to be connected with the air bag type water seal 1 and used for emptying the gas in the air bag type water seal 1. The air supply device 4 and the emptying device 5 can be realized in various forms as long as corresponding functions can be realized.

In this embodiment, the air supplement device 4 is composed of a pressurizing device 4-1, an air supplement pipeline pressure gauge 4-2, an air supplement pipeline control valve 4-3, an air supplement pipeline 4-4 and an air supplement pipeline check valve 4-5. The pressurizing device 4-1 is communicated with the air bag type water seal 1 through an air supply pipe 4-4, and an air supply pipe control valve 4-3, an air supply pipe check valve 4-5 and an air supply pipe pressure gauge 4-2 are all arranged on the air supply pipe 4-4. The pressurizing device 4-1 is used for supplying gas or liquid for supplementing gas, and a mobile pressurizing pump or other equipment capable of supplying gas with positive pressure can be adopted. The function of the air supply pipeline control valve 4-3 is to control the opening and closing of the air supply pipe 4-4. The function of the air supply pipeline check valve 4-5 is to prevent the air in the air bag type water seal 1 from escaping through the air supply pipe 4-4. The function of the air supply pipeline pressure gauge 4-2 is to detect the air pressure in the air supply pipe 4-4. When the air pressure of the device is insufficient, the air supplementing device 4 automatically supplements air for the device, and the air supplementing device 4 can automatically operate according to the real-time pressure monitoring of a pressure gauge 3-3 of a pressure charging pipeline on the pressure charging pipeline 3.

In this embodiment, the venting device 5 is composed of a venting pipe 5-1 and a venting pipeline control valve 5-2. And the emptying pipeline control valve 5-2 is arranged on the emptying pipe 5-1 and is used for controlling the opening and closing of the emptying pipe 5-1. If the gate needs to be overhauled and the device needs to be maintained and replaced, the emptying pipeline control valve 5-1 is opened, and the gas in the device is completely released through the emptying device 5. Of course, the emptying device 5 may also be implemented by means of a controllable air release opening or the like arranged on a gate or a gate slot.

The utility model discloses an in the overall arrangement, for the convenience of use and follow-up maintenance, place the gate in the charging line 3 in internal or the gate slot, connect gasbag formula water seal 1 and compression cylinder 2, and air supplement unit 4, emptying devices 5 can arrange in the outer pump valve well of sluice building or in the maintenance equipment room or other positions in order to facilitate the maintenance. The connecting modes of the pressurizing pipeline 3, the air supplementing device 4, the emptying device 5 and the air bag type water seal 1 are directly connected by adopting hoses, and the pipeline embedding part can also adopt other types of pipelines.

In addition, because the compression cylinder 2 in the device needs to lift along with the gate, and the airbag type water seal 1 is relatively immobile, at least one section of pipeline which is a flexible pipeline is arranged on the gas filling pipe 3-2 connecting the compression cylinder 2 and the gas filling pipe and is used for adapting to displacement and the like when the compression cylinder 2 expands and contracts along with the water stop in the lifting process of the gate.

The utility model discloses in, the quantity of compression cylinder 2 is 1 at least, nevertheless considers the capacity and the operating stability of single cylinder, can set up two or more, and is decided according to particular case. In the embodiment, two sides of the gate are respectively provided with a compression cylinder 2, and each compression cylinder 2 is respectively connected with an air bag type water seal 1 through a pressurizing pipeline 3.

The embodiment described above is only the scheme of a preferred embodiment of the present invention, which can be applied to all gates with water seal, such as flat gate, bottom shaft gate, etc., but it is not used to limit the present invention. Various changes and modifications can be made by one of ordinary skill in the pertinent art without departing from the spirit and scope of the present invention. Therefore, all the technical schemes obtained by adopting the mode of equivalent replacement or equivalent transformation fall within the protection scope of the utility model.

Claims

1. A self-inflating water seal device applied to water conservancy and hydropower engineering is characterized by comprising an air bag type water seal (1), a compression cylinder (2), a inflating pipeline (3), an air supplement device (4) and an emptying device (5); the air bag type water seal (1) is arranged on the periphery of the gate or the periphery of the gate slot or two sides of the top-exposed gate or the bottom of the gate, and the air bag type water seal (1) expands to fill a gap between the gate and the gate slot when being pressurized; the compression cylinder (2) is arranged in the gate, the end part of a piston rod of the compression cylinder (2) extends out of the bottom of the gate, and the piston rod is compressed by the gravity of the gate in the descending process of the gate; the pressurizing pipeline (3) is connected with the air bag type water seal (1) and the cylinder inner cavity of the compression cylinder (2) to enable the air bag type water seal and the cylinder inner cavity to be communicated; the air supplementing device (4) is connected with the air bag type water seal (1) and is used for supplementing air to the air bag type water seal (1); and the emptying device (5) is connected with the air bag type water seal (1) and is used for emptying the gas in the air bag type water seal (1).

2. The self-pressurizing water seal device applied to water conservancy and hydropower engineering according to claim 1, wherein the pressurizing pipeline (3) comprises a pressurizing pipeline control valve (3-1), a pressurizing pipe (3-2) and a pressurizing pipeline pressure gauge (3-3), two ends of the pressurizing pipe (3-2) are respectively connected with the air bag type water seal (1) and the cylinder inner cavity of the compression cylinder (2), and the pressurizing pipeline control valve (3-1) and the pressurizing pipeline pressure gauge (3-3) are arranged on the pressurizing pipe (3-2).

3. The self-inflating hydraulic device for water conservancy and hydropower engineering according to claim 1, wherein at least one section of the pipe of the charging pipe (3-2) is flexible and is adapted to displace the compression cylinder (2) during the lifting and lowering of the gate.

4. The self-inflating water seal device applied to water conservancy and hydropower engineering as claimed in claim 1, wherein the air supplement device (4) comprises a pressurizing device (4-1) and an air supplement pipe (4-4), and the pressurizing device (4-1) is communicated with the air bag type water seal (1) through the air supplement pipe (4-4).

5. The self-inflating water seal device applied to water conservancy and hydropower engineering according to claim 4, wherein the air supplement device (4) further comprises an air supplement pipeline control valve (4-3), an air supplement pipeline check valve (4-5) and an air supplement pipeline pressure gauge (4-2), and the air supplement pipeline control valve (4-3), the air supplement pipeline check valve (4-5) and the air supplement pipeline pressure gauge (4-2) are all arranged on the air supplement pipe (4-4).

6. The self-inflating water-sealing device applied to water conservancy and hydropower engineering according to claim 1, wherein the emptying device (5) comprises an emptying pipe (5-1) and an emptying pipe control valve (5-2), and the emptying pipe control valve (5-2) is arranged on the emptying pipe (5-1) and is used for controlling the opening and closing of the emptying pipe (5-1).

7. The self-inflating water seal for use in water conservancy and hydropower engineering according to claim 4, wherein the pressurizing device (4-1) is a mobile pressurizing pump.

8. The self-inflating water seal device applied to water conservancy and hydropower engineering as claimed in claim 1, wherein the number of the compression cylinders (2) is two or more, and each compression cylinder (2) is connected with the air bag type water seal (1) through the inflation pipeline (3).

9. The self-inflating water seal for water conservancy and hydropower engineering according to claim 1, wherein the inflating pipeline (3) is built in the gate body.

10. A self-inflating water seal as claimed in claim 1, wherein the air supply means (4) and the air release means (5) are located outside the sluice building in the well of the pump valve or in the service equipment room or elsewhere.