CN217203926U

CN217203926U - Blank cap type plane gate

Info

Publication number: CN217203926U
Application number: CN202221096284.5U
Authority: CN
Inventors: 马德新; 黄柏洪; 马传波; 范鹏; 刘英华; 张静; 张文科; 张曼; 齐明; 王中珏
Original assignee: Liaoning Water Conservancy And Hydropower Survey Design And Research Institute Co ltd
Current assignee: Liaoning Water Conservancy And Hydropower Survey Design And Research Institute Co ltd
Priority date: 2022-05-09
Filing date: 2022-05-09
Publication date: 2022-08-16
Anticipated expiration: 2032-05-09

Abstract

The utility model relates to a water conservancy water and electricity technical field discloses a stifle formula plane gate, including first gate mechanism, second gate mechanism, first gate mechanism is the same with second gate mechanism structure, first gate mechanism includes the stifle, stifle lower extreme fixedly connected with braced frame, braced frame upper portion outer wall fixed connection is at the supporting shoe inner wall, supporting shoe outer wall fixed connection is at the gate shaft inner wall, braced frame bottom fixed connection is in the gate shaft bottom, the braced frame middle part all is provided with the water seal with the bottom outer wall, the inside sliding connection of braced frame has the door leaf, the inside elevating system that is provided with of stifle, elevating system lower extreme fixed connection is in the door leaf upper end. The utility model discloses in, make the computer lab can build below being less than reservoir upper water level, and the safety of computer lab can be guaranteed to the stifle system, has reached the effect that has reduced the excavation volume of basis and engineering investment, has reduced the cost of engineering, has improved the construction efficiency of engineering.

Description

Blank cap type plane gate

Technical Field

The utility model relates to a water conservancy water and electricity technical field especially relates to a stifle formula flat gate.

Background

The water conveying tunnel and water diversion tunnel of water conservancy and hydropower engineering are generally responsible for important tasks of flood discharge, water diversion, emptying, sand discharge and the like, a gate is arranged at the middle part or the outlet and other parts of a hole body of the water conveying tunnel and water diversion tunnel to complete the tasks, the structural form of the gate is compared according to factors such as an operating water head, hydraulic arrangement, application conditions and the like of the gate, a plane gate or an arc gate is generally adopted, and the hole opening form of the gate is a down-the-hole type due to the large hole diameter and high water head.

The conventional arrangement mode is that a vertical shaft, an overhaul room and an opening and closing machine room are built according to the height of a water head, the opening and closing equipment of a gate adopts a high-lift winch type opening and closing machine, if the project is located in a mountain, the excavation amount of a foundation is large, and if the depth of water in front of the gate is large, the depth of the vertical shaft is large, so that the arrangement scheme of the high vertical shaft is formed, and the civil engineering investment is high.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a blank cap type plane gate.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a stifled formula plane gate, includes first gate mechanism, second gate mechanism, first gate mechanism is the same with second gate mechanism structure, first gate mechanism includes the stifled, stifled lower extreme fixedly connected with braced frame, braced frame upper portion outer wall fixed connection is at the supporting shoe inner wall, supporting shoe outer wall fixed connection is at the gate well inner wall, braced frame bottom fixed connection is in gate well bottom, the braced frame middle part all is provided with the water seal with the bottom outer wall, the inside sliding connection of braced frame has the door leaf, the inside elevating system that is provided with of stifled, elevating system lower extreme fixed connection is in door leaf upper end, elevating system one end is provided with power device, stifled anterior atmospheric pressure adjustment mechanism that is provided with of upper wall, stifled upper wall rear portion is provided with drainage mechanism.

As a further description of the above technical solution:

the lifting mechanism comprises a wheel disc, the inner wall of the wheel disc is fixedly connected to the outer wall of the middle of the rotating shaft, a steel cable is arranged on the outer wall of the wheel disc, and the lower end of the steel cable is fixedly connected to the upper end of the door leaf.

As a further description of the above technical solution:

the outer wall of the two ends of the rotating shaft penetrates through and is rotatably connected to the inner wall of the sealing bearing, the outer wall of the sealing bearing is fixedly connected to the left wall and the right wall of the blank cap respectively, and the outer wall of the two ends of the rotating shaft is rotatably connected with a supporting frame.

As a further description of the above technical solution:

the power device comprises a motor reducer, the lower end of the motor reducer is fixedly connected with a base, and the output end of the motor reducer is fixedly connected to the right end of the rotating shaft.

As a further description of the above technical solution:

the pneumatic adjusting mechanism comprises a pneumatic pipeline, the right lower end of the pneumatic pipeline is fixedly connected with an upper wall discharge suction port of the blank cap, a first gate valve is arranged at the right part of the pneumatic pipeline, and an automatic bidirectional pneumatic valve is arranged in the middle of the pneumatic pipeline.

As a further description of the above technical solution:

drainage mechanism includes the water route pipeline, water route pipeline right side lower extreme runs through and fixed connection covers the upper wall outlet at stifling, the water route pipeline right part is provided with the second gate valve, water route pipeline middle part is provided with automatic drain valve.

As a further description of the above technical solution:

the first gate mechanism is set to be a maintenance gate, the second gate mechanism is set to be a working gate, and the first gate mechanism is located at the upstream of the second gate mechanism.

The utility model discloses following beneficial effect has:

1. the utility model discloses in, through increasing and establishing stifle system, cancel the high shaft, only remain partial gate well, make the computer lab can build below being less than reservoir upper water level, and stifle system can guarantee the safety of computer lab, has reached the effect that has reduced the excavation volume of basis and engineering investment, has reduced the cost of engineering, has improved the building efficiency of engineering.

2. The utility model discloses in, through using automatic two-way valve, make the excessive gas and the water of depositing in the gate well in time discharge, can in time communicate external tonifying qi when making in the gate well in the negative pressure state, reached the effect of automatically regulated atmospheric pressure and drainage, avoided not too late of manual treatment to cause adverse effect often, also had the effect of saving a large amount of manpowers.

Drawings

Fig. 1 is a front sectional view of a blank cap type flat gate according to the present invention;

fig. 2 is a top view of a bulkhead type flat gate according to the present invention;

fig. 3 is an enlarged view of a portion a in fig. 1.

Illustration of the drawings:

1. a first gate mechanism; 2. a second gate mechanism; 3. covering the blank with a cover; 4. a support frame; 5. a wheel disc; 6. a rotating shaft; 7. sealing the bearing; 8. a motor reducer; 9. a base; 10. a support frame; 11. a wire rope; 12. a gas path pipeline; 13. an automatic two-way pneumatic valve; 14. a first gate valve; 15. a support block; 16. a door leaf; 17. a waterway pipeline; 18. an automatic drain valve; 19. a second gate valve; 20. and (5) water sealing.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, the present invention provides an embodiment: a blank cap type plane gate comprises a first gate mechanism 1 and a second gate mechanism 2, the first gate mechanism 1 and the second gate mechanism 2 are the same in structure, the first gate mechanism 1 comprises a blank cap 3, the lower end of the blank cap 3 is fixedly connected with a supporting frame 4, the outer wall of the upper part of the supporting frame 4 is fixedly connected with the inner wall of a supporting block 15, the outer wall of the supporting block 15 is fixedly connected with the inner wall of a gate well, the bottom end of the supporting frame 4 is fixedly connected with the bottom of the gate well, the middle part and the outer wall of the bottom of the supporting frame 4 are respectively provided with a water seal 20, a gate leaf 16 is slidably connected inside the supporting frame 4, a lifting mechanism is arranged inside the blank cap 3, the lower end of the lifting mechanism is fixedly connected with the upper end of the gate leaf 16, one end of the lifting mechanism is provided with a power device, the front part of the upper wall of the blank cap 3 is provided with an air pressure adjusting mechanism, the rear part of the upper wall of the blank cap 3 is provided with a drainage mechanism, a blank cap system is additionally arranged, a high vertical well is cancelled, only part of gate wells are reserved, so that the machine room can be built below the upper water level of the reservoir, and the effects of reducing the excavation amount of the foundation and reducing the engineering investment are achieved.

The lifting mechanism comprises a wheel disc 5, the inner wall of the wheel disc 5 is fixedly connected with the outer wall of the middle part of a rotating shaft 6, the outer wall of the wheel disc 5 is provided with a steel cable 11, the lower end of the steel cable 11 is fixedly connected with the upper end of a door leaf 16, the outer walls of two ends of the rotating shaft 6 are penetrated and rotatably connected with the inner wall of a sealing bearing 7, the outer walls of the sealing bearing 7 are respectively and fixedly connected with the left wall and the right wall of a blank cap 3, the outer walls of two ends of the rotating shaft 6 are respectively and rotatably connected with a supporting frame 10, a power device comprises a motor reducer 8, the lower end of the motor reducer 8 is fixedly connected with a base 9, the output end of the motor reducer 8 is fixedly connected with the right end of the rotating shaft 6, the opening or closing of a gate is controlled by a motor accelerator 8, an air pressure adjusting mechanism comprises an air channel 12, the right lower end of the air channel 12 is fixedly connected with an exhaust port on the upper wall of the blank cap 3, the right part of the air channel 12 is provided with a first gate valve 14, the middle part of the air channel 12 is provided with an automatic two-way air pressure valve 13, through the atmospheric pressure state in the automatic two-way pneumatic valve 13 control gate well, drainage mechanism includes water pipeline 17, water pipeline 17 right side lower extreme runs through and fixed connection is in stifle 3 upper wall outlet, water pipeline 17 right part is provided with second gate valve 19, water pipeline 17 middle part is provided with automatic drain valve 18, reach the effect of automatic drainage through automatic drain valve 18, first gate mechanism 1 sets up to the maintenance gate, second gate mechanism 2 sets up to the work gate, first gate mechanism 1 is located 2 upper reaches of second gate mechanism, the convenience carries out routine maintenance and maintenance to the gate.

The working principle is as follows: under normal working conditions, the motor reducer 8 in the first gate mechanism drives the rotating shaft 6 to rotate to drive the wheel disc 5 to rotate, so that the steel cable 11 is wound on the wheel disc 5 along with the rotation of the wheel disc 5, the steel cable 11 is shortened to drive the door leaf 16 to ascend, the gate of the first gate mechanism is in an open state, the gate of the second gate mechanism is in a closed state, when equipment is overhauled, the motor reducer 8 in the first gate mechanism drives the rotating shaft 6 to reversely rotate, so that the steel cable 11 extends, the door leaf 16 slides to the bottom along the supporting frame 4 under the action of gravity, so that the gate of the first gate mechanism is closed, the motor reducer 8 of the second gate mechanism operates to open the gate, after water in the gate well is emptied, overhauling work can be carried out, when the air pressure in the gate well is too high, the automatic bidirectional air pressure valve 13 is automatically opened to discharge redundant air in the gate well, when the air pressure in the gate well is too low, the automatic bidirectional air pressure valve 13 is automatically opened, make inside the outside air gets into the gate well to protection hole body or equipment do not suffer the damage, first gate valve 14 is used for the gas circuit to overhaul, is in the on-state during normal work, and when the inside water pressure of gate well was too high, automatic drain valve 18 was opened and is drained water, reaches the purpose of gate well pressure release, and second gate valve 19 is used for the water route to overhaul, is in the on-state during normal work.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a stifled formula plane gate, includes first gate mechanism (1), second gate mechanism (2), its characterized in that: the first gate mechanism (1) is identical to the second gate mechanism (2) in structure, the first gate mechanism (1) comprises a blank cap (3), a supporting frame (4) is fixedly connected to the lower end of the blank cap (3), the upper outer wall of the supporting frame (4) is fixedly connected to the inner wall of a supporting block (15), the outer wall of the supporting block (15) is fixedly connected to the inner wall of a gate well, the bottom end of the supporting frame (4) is fixedly connected to the bottom of the gate well, water seals (20) are arranged on the middle portion and the outer wall of the bottom of the supporting frame (4), a gate leaf (16) is slidably connected to the inside of the supporting frame (4), a lifting mechanism is arranged inside the blank cap (3), the lower end of the lifting mechanism is fixedly connected to the upper end of the gate leaf (16), a power device is arranged at one end of the lifting mechanism, and an air pressure adjusting mechanism is arranged on the front portion of the upper wall of the blank cap (3), and a drainage mechanism is arranged at the rear part of the upper wall of the blank cap (3).

2. The bulkhead gate of claim 1, wherein: elevating system includes rim plate (5), rim plate (5) inner wall fixed connection is at pivot (6) middle part outer wall, rim plate (5) outer wall is provided with steel cable (11), steel cable (11) lower extreme fixed connection is in door leaf (16) upper end.

3. The bulkhead gate of claim 2, wherein: the outer wall of two ends of the rotating shaft (6) runs through and is rotatably connected to the inner wall of the sealing bearing (7), the outer wall of the sealing bearing (7) is fixedly connected to the left wall and the right wall of the blank cap (3) respectively, and the outer walls of the two ends of the rotating shaft (6) are rotatably connected with the supporting frame (10).

4. The bulkhead gate of claim 1, wherein: the power device comprises a motor speed reducer (8), a base (9) is fixedly connected to the lower end of the motor speed reducer (8), and the output end of the motor speed reducer (8) is fixedly connected to the right end of the rotating shaft (6).

5. A bulkhead gate according to claim 1, wherein: the pneumatic adjusting mechanism comprises a pneumatic pipeline (12), the right lower end of the pneumatic pipeline (12) is fixedly connected with a discharge suction port on the upper wall of the blank cap (3), a first gate valve (14) is arranged at the right part of the pneumatic pipeline (12), and an automatic two-way pneumatic valve (13) is arranged in the middle of the pneumatic pipeline (12).

6. The bulkhead gate of claim 1, wherein: drainage mechanism includes water route pipeline (17), water route pipeline (17) right side lower extreme runs through and fixed connection is in stifle (3) upper wall outlet, water route pipeline (17) right part is provided with second gate valve (19), water route pipeline (17) middle part is provided with automatic drain valve (18).

7. The bulkhead gate of claim 1, wherein: the first gate mechanism (1) is set to be a maintenance gate, the second gate mechanism (2) is set to be a working gate, and the first gate mechanism (1) is located at the upstream of the second gate mechanism (2).