CN219327051U

CN219327051U - Sprocket gate utilizing water column to close gate

Info

Publication number: CN219327051U
Application number: CN202320328363.2U
Authority: CN
Inventors: 王兴恩
Original assignee: PowerChina Guiyang Engineering Corp Ltd
Current assignee: PowerChina Guiyang Engineering Corp Ltd
Priority date: 2023-02-27
Filing date: 2023-02-27
Publication date: 2023-07-11
Anticipated expiration: 2033-02-27

Abstract

A sprocket gate using water column to close the gate comprises a gate slot and a gate body, wherein a top water seal device is arranged at the top of the downstream side of the gate body, and side water seal devices are arranged at the positions of two sides; a bottom water seal device is arranged at the bottom of the gate body; side posts are arranged at two ends of the gate body, and chain wheel devices are arranged on the side posts; a panel is arranged on the upstream side of the gate body, two rows of roller devices are arranged on the upstream side of the panel, and the roller devices are in rolling contact with the side wall on the upstream side of the gate slot; a chain wheel track and a water stop seat board are arranged on the side wall of the downstream side of the door slot; the chain wheel device is in rolling connection with the chain wheel track relatively; the side water seal device is abutted against the water stop seat plate. The sprocket gate provided by the utility model forms a water column gate closing structure for downstream water stop, the whole gate closes the gate by utilizing water column pressure, and the balance weight is not needed, so that the investment is saved.

Description

Sprocket gate utilizing water column to close gate

Technical Field

The utility model relates to the technical field of metal structures of hydraulic and hydroelectric engineering, in particular to a sprocket gate for closing a gate by using a water column.

Background

At present, a special-head accident gate for a water discharge hole (hole) is usually a fixed-wheel gate or a sprocket gate, and when the wheel pressure of the fixed-wheel gate is overlarge (more than or equal to 600 t), the special-head accident gate generally adopts the sprocket gate.

In the prior art, for example, chinese patent publication No. CN205475117U discloses a sprocket gate structure comprising a water blocking gate section and sprocket support gate sections located on both sides of the water blocking gate section; the chain wheel supporting door section is welded with two sides of the water retaining door section, and a chain wheel device is arranged on the chain wheel supporting door section; the upstream side of the water blocking door section is provided with a panel which is higher than the chain wheel supporting door section panel and forms a step shape with the chain wheel supporting door section panel; side posts are arranged on two sides of the water retaining gate section, hinged elastic reverse supporting devices are arranged on two sides of an upstream side panel of the side posts and on a top water seal upper panel on the upstream side panel of the water retaining gate section, so that reverse gate arrangement supporting is formed; and the two sides and the top of the downstream side of the water retaining gate section are respectively provided with a simple support type fixed wheel to form a main gate type arrangement support.

However, in the sprocket gate structure of CN205475117U, an upstream water stop and counterweight down gate mode is adopted, because the sprocket gate structure is complex, for some sprocket gates with running water heads being too high (not less than 100 m), the space of the beam lattice is limited, counterweight placement on the beam lattice is difficult, and the traditional sprocket gate adopts a special-shaped gate slot with a boss arranged upstream, the gate slot body is complex, and cavitation erosion is easy to occur under the action of high-speed water flow.

Disclosure of Invention

The utility model mainly aims to provide a sprocket gate for closing a door by utilizing a water column, and aims to solve the technical problems.

In order to achieve the above purpose, the utility model provides a sprocket gate for closing a gate by using a water column, which comprises a gate groove and a gate body, wherein a top water seal device is arranged at the top of the downstream side of the gate body, and side water seal devices are arranged at the positions of two sides; a bottom water seal device is arranged at the bottom of the gate body; side posts are arranged at two ends of the gate body, and chain wheel devices are arranged on the side posts; a panel is arranged on the upstream side of the gate body, two rows of roller devices are arranged on the upstream side of the panel, and the roller devices are in rolling contact with the side wall on the upstream side of the gate slot; a chain wheel track and a water stop seat board are arranged on the side wall of the downstream side of the door slot; the chain wheel device is in rolling connection with the chain wheel track relatively; the side water seal device is abutted against the water stop seat plate.

Preferably, a housing is provided outside the sprocket device; the outer edge of the upstream side of the roller device is higher than the outer edge of the housing.

Preferably, T-shaped beams distributed in a gate shape are arranged on two sides and the top of the downstream of the gate body, and the top water seal device and the side water seal device are arranged on the T-shaped beams.

Preferably, the top of the gate body is provided with a sealing plate, and the sealing plate is welded with the panel and the side column.

Preferably, water sealing strips with cross sections of ridge-shaped bulges are arranged in the top water sealing device and the side water sealing device, and when the chain wheel device is contacted with the chain wheel track, the abutting compression amount of the water sealing strips on the side water sealing device and the water sealing seat plate is 1-5 mm.

Preferably, the top water seal device and the side water seal device adopt the same water seal strip with an inverted U-shaped structure, two side edges of the water seal strip with the inverted U-shaped structure are arranged on the side water seal device, and the transverse edge of the inverted U-shaped structure is arranged on the top water seal device.

Preferably, the bottom downstream side of the gate body is inclined; the bottom water sealing device comprises a U-shaped bottom water sealing device and an L-shaped bottom water sealing device, wherein the U-shaped bottom water sealing device is connected with the side water sealing device; a rubber pad is arranged between the L-shaped bottom water seal device and the side water seal device.

Preferably, the U-shaped bottom water seal device and the L-shaped bottom water seal device are internally provided with water seals, and the water seals are arranged on the side posts and the panel through pressing plates and screws.

Preferably, a row of side supporting rollers are respectively arranged on the outer sides of the side columns at two ends of the gate body, and the side supporting rollers are far away from the outer edge of the gate body and are higher than the sprocket device.

Preferably, the door slot is a type II door slot.

Due to the adoption of the technical scheme, the utility model has the following beneficial effects:

(1) In the sprocket gate provided by the utility model, the top water seal devices are arranged at the top of the downstream side of the gate body, the side water seal devices are arranged at the positions of the two sides, and the bottom water seal devices are arranged at the bottom of the gate body, so that a downstream water-stopping water column gate closing structure is formed, the whole gate is closed by utilizing water column pressure, a counterweight is not needed, and investment is saved.

(2) In the utility model, the two rows of roller devices with the outer edges higher than the outer edge of the shell of the chain wheel device are symmetrically arranged on the upstream side of the panel of the gate body, so that the requirement of adopting a type II gate slot for the chain wheel gate is met, the problem that the gate slot is easy to generate cavitation erosion damage due to complex hydraulics caused by the fact that the height of a chain shell is large and the height of a water seal device is greatly different from the height of the chain shell and the adoption of a special-shaped gate slot for the traditional chain wheel gate is avoided, and the safe operation of the gate is effectively ensured.

(3) The T-shaped beams distributed in a gate shape are arranged on two sides and the top of the downstream of the gate body and are used for installing the top water seal device and the side water seal device, the top water seal device and the side water seal device are supported, and the distance between the side water seal device and the water stop seat board is shortened.

(4) The side water seal device arranged on the T-shaped beam is connected with the U-shaped bottom water seal device of the bottom water seal device through the L-shaped bottom water seal device and is sealed through the rubber gasket, a three-face sealed water stop structure is formed at the inclined plane position of the bottom downstream side of the gate body, the height of the T-shaped beam can be controlled according to the contact of the chain wheel and the chain wheel track, the requirement that the contact compression amount of the water seal strip on the side water seal device and the water stop seat plate is 1-5 mm is convenient to guarantee, and the water stop effect of the gate is effectively guaranteed.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of a sprocket gate arrangement utilizing a water column to close a door in accordance with the present utility model;

FIG. 2 is an upstream view of the sprocket gate of the present utility model;

FIG. 3 is a downstream view of the sprocket gate of the present utility model

FIG. 4 is a side view of the sprocket gate of the present utility model;

FIG. 5 is a bottom view of the sprocket gate of the present utility model;

FIG. 6 is an enlarged view at C in FIG. 5;

FIG. 7 is a top view of the sprocket gate of the present utility model;

FIG. 8 is a cross-sectional view taken along section A-A of FIG. 3;

FIG. 9 is an enlarged view of FIG. 8 at A;

fig. 10 is an enlarged view at B in fig. 8.

Reference numerals illustrate: 1. a gate body; 2. a door slot; 3. a panel; 4. a roller device; 5. a sprocket assembly; 6. a housing; 7. a T-beam; 8. a top water seal device; 9. a sprocket track; 10. a water stop seat board; 11. a side column; 12. side support rollers; 13. a U-shaped bottom water device; 14. an L-shaped bottom water device; 15. a rubber pad; 16. a closing plate; 17. and a side water seal device.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.

Referring to the drawings, the sprocket gate for closing the gate by utilizing water columns comprises a gate groove 2 and a gate body 1, wherein a top water seal device 8 is arranged at the top of the downstream side of the gate body 1, and side water seal devices 17 are arranged at the positions of two sides; a bottom water seal device is arranged at the bottom of the gate body 1; side columns 11 are arranged at two ends of the gate body 1, and a chain wheel device 5 is arranged on the side columns 11; a panel 3 is arranged on the upstream side of the gate body 1, two rows of roller devices 4 are arranged on the upstream side of the panel 3, and the roller devices 4 are in rolling contact with the side wall on the upstream side of the gate slot 2; a sprocket rail 9 and a water stop seat plate 10 are provided on the side wall on the downstream side of the door slot 2; the chain wheel device 5 is in rolling connection with the chain wheel track 9; the side water seal 17 abuts against the water stop seat plate 10. Through being provided with top water seal arrangement 8 at the downstream side top of gate body 1 to and both sides position department is provided with side water seal arrangement 17, is provided with end water seal arrangement simultaneously in the bottom of gate body 1, has formed the water column door closure structure of downstream stagnant water, and whole gate utilizes water column pressure to close the door, need not to add the counter weight, saves the investment.

As shown in fig. 1 and 4, a housing 6 is provided outside the sprocket device 5; the outer edge of the roller device 4 on the upstream side is higher than the outer edge of the housing 6, and interference between the housing 6 and the upstream side wall of the door slot 2 is avoided.

As shown in fig. 3, 8 and 9, T-shaped beams 7 distributed in a gate shape are arranged on two sides and at the top of the downstream of the gate body 1, and the top water sealing device 8 and the side water sealing device 17 are mounted on the T-shaped beams 7. Through setting up T type roof beam 7, firstly play the supporting role to top water seal device 8, side water seal device 17, secondly shorten the distance between side water seal device 17 and the stagnant water bedplate 10, and the height of T type roof beam 7 can be according to sprocket and the orbital contact control of sprocket, is convenient for guarantee the water seal on the side water seal device 17 and the requirement that the contact compression volume of stagnant water bedplate 10 is 1 ~ 5mm, has effectively ensured the stagnant water effect of gate.

As shown in fig. 8, the top of the gate body 1 is provided with a sealing plate 16, and the sealing plate 16 is welded with the panel 3 and the side column 11. By providing the closing plate 16, the sealing of the shutter body 1 is facilitated, and at the same time, the rigidity of the shutter body 1 can be enhanced.

As shown in fig. 3 and 9, the top water seal device 8 and the side water seal device 17 are respectively provided with a water seal strip with a cross section of a ridge-like bulge, and when the sprocket device 5 contacts with the sprocket track 9, the abutting compression amount of the water seal strip on the side water seal device 17 and the water seal seat board 10 is 1-5 mm. Further, in this embodiment, the top water sealing device 8 and the side water sealing device 17 adopt the same water sealing strip with an inverted "U" structure, two sides of the inverted "U" structure are disposed on the side water sealing device 17, and a transverse side of the inverted "U" structure is disposed on the top water sealing device 8, so that the top and two sides are conveniently sealed at the connection position by adopting the whole water sealing strip structure.

As shown in fig. 5, 6 and 8, the downstream side of the bottom of the gate body 1 is inclined; the bottom water sealing device comprises a U-shaped bottom water sealing device 13 and an L-shaped bottom water sealing device 14, wherein the U-shaped bottom water sealing device 13 is connected with the side water sealing device 17; a rubber gasket 15 is arranged between the L-shaped bottom water seal device 14 and the side water seal device 17, and through the structure, a three-face closed water stop structure is formed at the side inclined position at the downstream side of the bottom of the gate body 1, so that the water stop effect of the gate is effectively ensured.

Referring to fig. 10, the U-shaped bottom water seal device 13 and the L-shaped bottom water seal device 14 are respectively provided with a water seal, and the water seal is mounted on the side posts 11 and the panel 3 by pressing plates and screws. The water seal is installed through the pressing plate and the screw structure, and the structure is simple and the installation is convenient.

As shown in fig. 1 and 2, a row of side support rollers 12 are respectively arranged on the outer sides of the side posts 11 at the two ends of the gate body 1, and the side support rollers 12 are far from the outer edge of the gate body 1 and are higher than the sprocket device 5. By arranging the side supporting rollers 12, collision between the chain wheel device 5 and the bottoms of the outer sides of the two ends of the door slot 1 is avoided.

In this embodiment, the door slot 2 is a type ii door slot recommended in the water and electricity engineering steel gate design Specification NB 35055.

The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structural changes made by the specification and drawings of the present utility model or direct/indirect application in other related technical fields are included in the scope of the present utility model.

Claims

1. The sprocket gate utilizing water column to close the gate comprises a gate groove (2) and a gate body (1), and is characterized in that a top water seal device (8) is arranged at the top of the downstream side of the gate body (1), and side water seal devices (17) are arranged at the positions of two sides; a bottom water seal device is arranged at the bottom of the gate body (1); side posts (11) are arranged at two ends of the gate body (1), and chain wheel devices (5) are arranged on the side posts (11);

a panel (3) is arranged on the upstream side of the gate body (1), two rows of roller devices (4) are arranged on the upstream side of the panel (3), and the roller devices (4) are in rolling contact with the side wall on the upstream side of the gate groove (2);

a chain wheel track (9) and a water stop seat board (10) are arranged on the side wall of the downstream side of the door slot (2); the chain wheel device (5) is in rolling connection with the chain wheel track (9) relatively; the side water seal device (17) is abutted against the water stop seat board (10).

2. A sprocket gate for closing a door using a water column according to claim 1, wherein a housing (6) is provided outside the sprocket device (5); the outer edge of the roller device (4) on the upstream side is higher than the outer edge of the housing (6).

3. A sprocket gate using water column to close door as in claim 1, wherein T-shaped beams (7) are arranged on two sides and at the top of the downstream of the gate body (1) and distributed in a gate shape, and the water top sealing device (8) and the side water sealing device (17) are installed on the T-shaped beams (7).

4. A sprocket gate using water column to close door as in claim 1, wherein the top of the gate body (1) is provided with a closing plate (16), the closing plate (16) is welded with the panel (3) and the side column (11).

5. The sprocket gate using water column to close the gate according to claim 1, wherein the water sealing strips with cross sections being ridge-shaped protrusions are arranged in the water ejection sealing device (8) and the side water sealing device (17), and when the sprocket device (5) is contacted with the sprocket rail (9), the abutting compression amount of the water sealing strips on the side water sealing device (17) and the water sealing seat plate (10) is 1-5 mm.

6. The sprocket gate using water column to close the gate as set forth in claim 5, wherein the top water sealing device (8) and the side water sealing device (17) are water sealing strips with inverted "U" structures, two sides of the inverted "U" structure water sealing strip are arranged on the side water sealing device (17), and the transverse side of the inverted "U" structure is arranged on the top water sealing device (8).

7. A sprocket gate for closing a door using a water column according to claim 1, wherein the bottom downstream side of the gate body (1) is inclined; the bottom water sealing device comprises a U-shaped bottom water sealing device (13) and an L-shaped bottom water sealing device (14) connected with the side water sealing device (17) by the U-shaped bottom water sealing device (13); a rubber pad (15) is arranged between the L-shaped bottom water sealing device (14) and the side water sealing device (17).

8. A sprocket gate using water column to close door as in claim 7, wherein the U-shaped bottom water seal (13) and the L-shaped bottom water seal (14) are provided with water seals mounted on the side column (11) and the panel (3) by pressing plate and screw.

9. A sprocket gate for closing a door using a water column according to claim 1, wherein a row of side support rollers (12) are provided on the outer sides of side posts (11) at both ends of the gate body (1), respectively, and the side support rollers (12) are located away from the outer edge of the gate body (1) and are higher than the sprocket device (5).

10. A sprocket gate for closing a door using a water column according to claim 1, wherein the door slot (2) is a type ii door slot.