CN219908833U

CN219908833U - Assembled hydraulic gate dam

Info

Publication number: CN219908833U
Application number: CN202321266583.3U
Authority: CN
Inventors: 成莉; 张琨佳
Original assignee: Hangzhou Lixin Engineering Technology Co ltd
Current assignee: Hangzhou Lixin Engineering Technology Co ltd
Priority date: 2023-05-24
Filing date: 2023-05-24
Publication date: 2023-10-27
Anticipated expiration: 2033-05-24

Abstract

The utility model discloses an assembled hydraulic gate dam, which comprises a gate dam body, a waterproof sleeve, opening and closing equipment and a supporting member, wherein a bottom shaft is arranged at the bottom of the gate dam body; the bottom of the gate dam body is fixedly connected with the bottom shaft, the gate dam body and the bottom shaft are arranged above the supporting member, and the bottom shaft is rotatably connected with the supporting member; the opening and closing device comprises a gear rack swing hydraulic cylinder which is fixedly connected with the end part of the bottom shaft; the supporting member comprises a supporting baseplate frame and a plurality of hinged bases, the bottom shaft is rotatably connected with the hinged bases, and the gear rack swinging hydraulic cylinder is fixed on the supporting baseplate frame; the waterproof sleeve is arranged on the water inlet side of the gate dam body, and covers the gap between the gate dam body and the supporting baseplate frame. The utility model is convenient for integral installation, has short construction period, and long service life, and the oil cylinder is not contacted with water flow.

Description

Assembled hydraulic gate dam

Technical Field

The utility model relates to the technical field of water conservancy and hydropower equipment and water conservancy and hydropower environments, in particular to an assembled hydraulic gate dam.

Background

Along with the high-speed development of economy, the requirements of beautiful life on the quality of landscape water bodies such as river channels, lakes, sea ponds and the like are higher and higher, and the wide application of sluice gates, rubber dams, bottom shaft flap gates, herringbone gates, steel dams and the like is required.

In water conservancy and hydropower and municipal landscape engineering, a traditional hydraulic (gate) dam is long in construction period, and a main oil cylinder of the traditional hydraulic dam is arranged on the back of the hydraulic dam; the water flow is directly contacted with the main oil cylinder, and even if the cover plate is added, the water can directly erode the main oil cylinder, and the main oil cylinder and the like can be damaged for a long time.

Disclosure of Invention

The utility model aims to provide an assembled hydraulic gate dam which is integrally installed, short in construction period, long in service life and free from the contact of an oil cylinder with water flow.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the assembled hydraulic gate dam comprises a gate dam body, wherein a bottom shaft is arranged at the bottom of the gate dam body, and the assembled hydraulic gate dam further comprises a waterproof sleeve, opening and closing equipment and a supporting member; the bottom of the gate dam body is fixedly connected with the bottom shaft, the gate dam body and the bottom shaft are arranged above the supporting member, and the bottom shaft is rotatably connected with the supporting member; the opening and closing device is provided with one set or two sets, the opening and closing device is arranged on one side or two sides of the gate dam body, the opening and closing device comprises a gear rack swing hydraulic cylinder, and the gear rack swing hydraulic cylinder is fixedly connected with the end part of the bottom shaft; the supporting member comprises a supporting baseplate frame, a plurality of hinged bases are arranged on the supporting baseplate frame, a bottom shaft is rotatably connected with the hinged bases, and the gear rack swing hydraulic cylinder is fixed on the supporting baseplate frame; the waterproof sleeve is arranged on the water inlet side of the gate dam body, and covers the gap between the gate dam body and the supporting baseplate frame.

The integral assembly type hydraulic gate dam adopts the parts such as the gate dam body, the bottom shaft, the waterproof sleeve, the opening and closing equipment, the supporting member and the like which are manufactured in advance according to the field size, and can be integrally installed on the field and then fixed with the foundation; the gear rack swing hydraulic cylinder of the opening and closing device is arranged on the side surface of the gate dam body and connected with the bottom shaft, so that water flow can be kept away from the hydraulic cylinder, and the hydraulic cylinder is prevented from being corroded by the water flow; the gear rack swinging hydraulic cylinder is driven by hydraulic pressure, and has the advantages of large output torque, small occupied area, high space utilization rate, simple control mode, small oil consumption, small volume required by a hydraulic station and smaller motor power; the waterproof sleeve is made of elastic telescopic materials and is used for preventing water from flowing out of a gap between the gate dam body and the supporting floor frame.

As a preferable scheme of the utility model, equipment boxes are respectively arranged at two ends of the gate dam body, the equipment boxes are fixed on the supporting baseplate frame, and the gear rack swing hydraulic cylinder is arranged in the equipment boxes. The opening and closing equipment of this scheme is equipped with the equipment box, adopts the equipment box, plays the guard action to hydraulic means such as rack and pinion swing pneumatic cylinder, is convenient for maintain and manage.

In a preferred embodiment of the present utility model, the cross section of the supporting floor frame is L-shaped or concave. The section of the supporting baseplate frame is L-shaped or concave-shaped, the gate dam body, the bottom shaft and the opening and closing equipment can be installed and fixed on a flat plate at the bottom of the supporting baseplate frame, and the side surface of the supporting baseplate frame is erected, so that a river bed at the bottom of water flow is conveniently isolated from the bottom shaft and the hinged base.

As a preferable scheme of the utility model, the gate dam body is of a flat plate type or an arc plate type protruding towards the water side.

As a preferable scheme of the utility model, the gear-rack swing hydraulic cylinder comprises a shell, a rack pushing hydraulic cylinder, a gear shaft and a locking device, wherein the rack pushing hydraulic cylinder is provided with a rack piston, the gear shaft is provided with a transmission gear meshed with the rack piston, the locking device is provided with a telescopic device and a stop dog, the telescopic device is fixed with the shell, one end of the stop dog is fixedly connected with the telescopic device, the other end of the stop dog is provided with a stop tooth matched with the tooth form of the transmission gear, the gear shaft is fixedly connected with the end part of a bottom shaft, the gear shaft is in a limited state when the stop tooth is meshed with the transmission gear, and the gear shaft is in a rotatable state when the stop tooth is separated from the transmission gear.

As a preferable scheme of the utility model, the locking device comprises an exhaust valve, a disc spring, a cylinder barrel, a cylinder body, a piston rod and a stop dog, wherein the exhaust valve and the cylinder body are respectively arranged at two ends of the cylinder barrel, the cylinder body is fixed in the shell, the tail end of the piston rod is arranged in the cylinder barrel and is in sealed sliding connection with the cylinder barrel, the disc spring is arranged between the tail end of the piston rod and the exhaust valve at one end of the cylinder barrel, the two ends of the disc spring respectively push against the exhaust valve and the tail end of the piston rod, the top end of the piston rod penetrates through the cylinder barrel and the cylinder body to extend outwards and is in sealed sliding connection with the cylinder body, one end of the stop dog is provided with stop teeth, the other end of the stop dog is fixedly connected with the top end of the piston rod, and the stop dog is in sliding connection with the shell.

As a preferable scheme of the utility model, a sliding shoe is arranged on the outer side of the stop block, the sliding shoe is connected with the stop block through a countersunk screw, a locking nut with an end face locking function is arranged at the joint of the piston rod and the stop block, and when the locking nut is used, a pre-tightening force and a vertical force of a set screw are generated through the nut to prevent loosening.

As a preferable scheme of the utility model, the disc spring is formed by superposing one disc spring monomer or a plurality of disc spring monomers.

The scheme uses the gear rack swing hydraulic cylinder as a working power source, the action part (gear shaft) of the rack piston directly acts on the end part of the bottom shaft, the action radius and the additional moment are reduced, the work is safe and reliable, a locking device with disc spring action is innovatively added, and the swing hydraulic cylinder can be effectively locked at a specific position; in the working process, high-pressure hydraulic oil is injected into a piston cavity of a gear-rack swing cylinder through a hydraulic pump station and a pipeline, thrust is generated on a rack through the action of hydraulic pressure on the end face of the rack piston, the rack is pushed to reciprocate to drive a gear shaft meshed with the rack to perform rotary motion, and therefore thrust generated by input hydraulic pressure is converted into rotary motion of the gear shaft to output torque; the bottom shaft of the gate dam body is connected with the gear shaft to generate corresponding rotary motion, and the size of the rotary angle can be precisely controlled through the length of the movement distance travel of the rack; the locking device mainly comprises an exhaust valve, a disc spring, a cylinder barrel, a cylinder body, a piston rod, a stop block and the like, wherein a disc spring component which is placed according to the requirement of the locking force is arranged in a rodless cavity of the cylinder barrel, high-pressure hydraulic oil can be introduced into a rod cavity of the cylinder body, reciprocating sealing elements are respectively arranged at two ends of the rod cavity for preventing the high-pressure hydraulic oil from leaking, the stop block is connected to a shaft head part of the piston rod, tooth-type structure stop teeth which can be meshed with the tooth shape of a gear shaft of a swinging cylinder are arranged at the end part of the stop block, the transmission gear is in a limit state when the stop teeth of the stop block are meshed with the transmission gear, and the transmission gear is in a rotatable state when the stop teeth are separated from the transmission gear; when the swing hydraulic cylinder needs to perform swing operation, high-pressure oil enters a left cavity and a right cavity of the rack pushing hydraulic cylinder, meanwhile hydraulic oil acts on a rod cavity of the locking device through a shuttle valve, a piston rod of the locking device is pushed to move leftwards to drive the stop dog to be separated from the gear shaft, hydraulic pressure pushes a rack piston to move to enable the gear shaft to rotate so as to drive a load to rotate, when the preset position is reached, the hydraulic oil stops being supplied, the swing hydraulic cylinder stops rotating, the stop device has the effect of oil-free liquid in the rod cavity, and the piston rod is reset under the action of disc spring force so as to drive the stop dog to move so as to be meshed with the gear shaft, so that the gear shaft is mechanically locked.

The stop slide block is made of high-strength alloy steel and is subjected to surface hardening treatment, a slide shoe device is arranged outside the stop slide block, the slide shoe is made of copper-gold or nonmetal materials and is connected with the stop slide block through countersunk screws, and the slide shoe directly acts on the inner cavity of the swing cylinder body, so that the friction coefficient is small, and the slide shoe has strong affinity with the body material, so that the service life of the stop device is prolonged.

The stop device is with dish spring effect, can accurately set for the stop effort through the change of dish spring quantity and superposition mode, to water conservancy facility operating time weak point, long-time locking idle characteristics, through the dish spring effect under unpowered and the self-locking balancing device on the liquid way can guarantee long-time closure, the locking safety of gate.

When this scheme is used, for the pine of preventing during the motion take off, produce pretightning force and holding screw vertical direction power through lock nut and prevent looseness.

As a preferable scheme of the utility model, the assembled hydraulic gate dam is integrally arranged in a dam body structure, the dam body structure comprises an installation groove, a C25 cushion layer is arranged at the bottom of the installation groove, a tensile steel sheet pile impervious wall is arranged on the side, close to the upstream water supply side, of the installation groove, a stone throwing anti-flushing wall is arranged on the side, close to the downstream water supply side, of the installation groove, and backfill soil layers are respectively arranged on two sides of a support bottom plate frame of the assembled hydraulic gate dam.

The scheme adopts the following construction steps when in construction: 1. constructing and cutting off cofferdam; 2. excavating the river bottom in the placement area of the assembled gate dam to the design requirement elevation by using an excavator or other modes; 3. casting a bottom plate concrete cushion layer after driving the steel sheet piles on the upstream side, and finishing the stone throwing anti-punching groove by downstream construction, wherein the distance can be adjusted according to the water level difference requirement; 4. the assembled gate dam is hoisted in place, and can be reinforced with the bottom after being assembled; 5. backfilling the earth parts at the upstream and downstream joints and the left and right banks, connecting an opening and closing device with a power system, and performing test operation on the gate; 6. and finally, removing the cofferdam.

Compared with the prior art, the utility model has the beneficial effects that: the integral installation is convenient, the construction period is short, the oil cylinder is not contacted with water flow, and the service life is long.

Drawings

Fig. 1 is a schematic diagram of an outline structure of the present utility model.

Fig. 2 is a schematic side view of a curved gate dam body according to the present utility model.

Fig. 3 is a schematic side view of a structure of the present utility model using a flat plate-shaped gate dam body.

Fig. 4 is a schematic diagram of an outline structure of the rack and pinion oscillating hydraulic cylinder of the present utility model.

Fig. 5 is a schematic cross-sectional view of a rack and pinion oscillating hydraulic cylinder of the present utility model.

Fig. 6 is a schematic view of a locking device according to the present utility model.

Fig. 7 is a schematic view of an overall installation site structure of the present utility model.

In the figure: 1. gate dam body 2, bottom shaft 3, waterproof sleeve 4 and opening and closing equipment

5. Support member 6, rack and pinion oscillating cylinder 7, and support floor frame

8. Equipment box 9, shell 10 and rack pushing hydraulic cylinder

11. Gear shaft 12, locking device 13 and rack piston

14. Drive gear 15, stop dog 16, stop teeth

17. Exhaust valve 18, disc spring 19, cylinder 20, cylinder body

21. Piston rod 22, sliding shoe 23, locking nut 24 and mounting groove

25. C25 cushion layer 26, stretched steel sheet pile impervious wall 27 and rubble impact wall

28. Backfill layer 71, hinged base.

Detailed Description

In order that the utility model may be readily understood, several embodiments of the utility model will be described more fully hereinafter with reference to the accompanying drawings, in which, however, the utility model may be embodied in many different forms and is not limited to the embodiments described herein, but instead is provided for the purpose of providing a more thorough and complete disclosure of the utility model.

It will be understood that when an element is referred to as being "mounted" on another element, it can be directly on the other element or intervening elements may also be present, and when an element is referred to as being "connected" to the other element, it may be directly connected to the other element or intervening elements may also be present, the terms "vertical", "horizontal", "left", "right" and the like are used herein for the purpose of illustration only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs, and the terms used herein in this description of the utility model are for the purpose of describing particular embodiments only and are not intended to be limiting of the utility model, with the term "and/or" as used herein including any and all combinations of one or more of the associated listed items.

Referring to fig. 1 to 7, the present utility model provides a technical solution:

the assembled hydraulic gate dam comprises a gate dam body 1, wherein a bottom shaft 2 is arranged at the bottom of the gate dam body 1, and the assembled hydraulic gate dam also comprises a waterproof sleeve 3, an opening and closing device 4 and a supporting member 5; the bottom of the gate dam body 1 is fixedly connected with the bottom shaft 2, the gate dam body 1 and the bottom shaft 2 are arranged above the supporting member 5, and the bottom shaft 2 is rotatably connected with the supporting member 5; the opening and closing device 4 is provided with one set or two sets, the opening and closing device 4 is arranged on one side or two sides of the gate dam body 1, the opening and closing device 4 comprises a gear rack swing hydraulic cylinder 6, and the gear rack swing hydraulic cylinder 6 is fixedly connected with the end part of the bottom shaft 2; the supporting member 5 comprises a supporting baseplate frame 7, a plurality of hinged bases 71 are arranged on the supporting baseplate frame 7, the bottom shaft 2 is rotatably connected with the hinged bases 71, and the gear rack swing hydraulic cylinder 6 is fixed on the supporting baseplate frame 7; the waterproof sleeve 3 is arranged on the water inlet side of the gate dam body 1, and the waterproof sleeve 3 shields a gap between the gate dam body 1 and the supporting floor frame 7.

The equipment boxes 8 are respectively arranged at the two ends of the gate dam body 1, the equipment boxes 8 are fixed on the supporting baseplate frame 7, and the gear rack swing hydraulic cylinder 6 is arranged in the equipment boxes 8.

The cross section of the supporting floor frame 7 is L-shaped or concave-shaped.

The gate dam body 1 is of a flat plate type or an arc plate type protruding toward the water side.

The gear-rack swinging hydraulic cylinder 6 comprises a shell 9, a rack pushing hydraulic cylinder 10, a gear shaft 11 and a locking device 12, wherein the rack pushing hydraulic cylinder 10 is provided with a rack piston 13, the gear shaft 11 is provided with a transmission gear 14 meshed with the rack piston 13, the locking device 12 is provided with a telescopic device and a stop dog 15, the telescopic device is fixed with the shell 9, one end of the stop dog 15 is fixedly connected with the telescopic device, the other end of the stop dog 15 is provided with a stop tooth 16 meshed with the transmission gear 14 in a tooth form, the gear shaft 11 is fixedly connected with the end part of the bottom shaft 2, the gear shaft 11 is in a limit state when the stop tooth 16 is meshed with the transmission gear 14, and the gear shaft 11 is in a rotatable state when the stop tooth 16 is separated from the transmission gear 14.

The locking device 12 comprises an exhaust valve 17, a disc spring 18, a cylinder barrel 19, a cylinder body 20, a piston rod 21 and a stop dog 15, wherein the exhaust valve 17 and the cylinder body 20 are respectively arranged at two ends of the cylinder barrel 19, the cylinder body 20 is fixed in the shell 9, the tail end of the piston rod 21 is arranged in the cylinder barrel 19 and is in sealing sliding connection with the cylinder barrel 19, the disc spring 18 is arranged between the tail end of the piston rod 21 and the exhaust valve 17 at one end of the cylinder barrel 19, the two ends of the disc spring 18 respectively tightly prop against the tail end of the cylinder barrel 19 and the tail end of the piston rod 21, the top end of the piston rod 21 penetrates through the cylinder barrel 19 and the cylinder body 20 to extend outwards and is in sealing sliding connection with the cylinder body 20, one end of the stop dog 15 is provided with a stop tooth 16, the other end of the stop dog 15 is fixedly connected with the top end of the piston rod 21, and the stop dog 15 is in sliding connection with the shell 9.

The outer side of the stop block 15 is provided with a sliding shoe 22, the sliding shoe 22 is connected with the stop block 15 through a countersunk screw, the joint of the piston rod 21 and the stop block 15 is provided with a locking nut 23 with an end face locking function, and when the locking device is used, a pre-tightening force and a vertical force of a set screw are generated through the nut to prevent loosening.

The disc spring 18 is formed by stacking one disc spring unit or a plurality of disc spring units.

The assembled hydraulic gate dam is integrally arranged in a dam body structure, the dam body structure comprises a mounting groove 24, a C25 cushion layer 25 is arranged at the bottom of the mounting groove 24, a tensile steel sheet pile impervious wall 26 is arranged on the upstream water side of the mounting groove 24, a riprap impact wall 27 is arranged on the downstream water outlet side of the mounting groove 24, and backfill soil layers 28 are respectively arranged on two sides of the assembled hydraulic gate dam supporting baseplate frame 7.

The working flow of the utility model is as follows: after the assembled hydraulic gate dam is integrally arranged in a dam body structure, the gear rack swings the hydraulic cylinder 6 to drive the bottom shaft 2 and the gate dam body 1 to rotate, so that the hydraulic gate dam is opened and closed;

when the gear-rack swinging hydraulic cylinder 6 swings, high-pressure oil enters left and right cavities of the gear-rack swinging hydraulic cylinder 6, hydraulic oil acts on a rod cavity of the locking device 12 through a shuttle valve (not shown in the drawing), a piston rod 21 of the locking device 12 is pushed to move leftwards to drive a stop dog 15 and stop teeth 16 to be separated from meshing with a transmission gear 14 of the gear shaft 11, hydraulic pressure pushes a rack piston 13 to move and drives the gear shaft 3 to rotate so as to drive a bottom shaft 2 and a gate dam body 1 to rotate, when the preset position is reached, the hydraulic oil stops being supplied, the gear-rack swinging hydraulic cylinder 6 stops swinging, the locking device 12 has the action of no oil in the rod cavity, the piston rod 21 is reset under the action of spring force of a disc spring 18 so as to drive the stop dog 15 to move and then the stop teeth 16 to be meshed with the transmission gear 13 of the gear shaft 3, and the gear shaft 3 is mechanically locked.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The assembled hydraulic gate dam comprises a gate dam body, wherein a bottom shaft is arranged at the bottom of the gate dam body, and the assembled hydraulic gate dam is characterized by further comprising a waterproof sleeve, opening and closing equipment and a supporting member;

the bottom of the gate dam body is fixedly connected with the bottom shaft, the gate dam body and the bottom shaft are arranged above the supporting member, and the bottom shaft is rotatably connected with the supporting member;

the opening and closing device is provided with one set or two sets, the opening and closing device is arranged on one side or two sides of the gate dam body, the opening and closing device comprises a gear rack swing hydraulic cylinder, and the gear rack swing hydraulic cylinder is fixedly connected with the end part of the bottom shaft;

the supporting member comprises a supporting baseplate frame, a plurality of hinged bases are arranged on the supporting baseplate frame, a bottom shaft is rotatably connected with the hinged bases, and the gear rack swing hydraulic cylinder is fixed on the supporting baseplate frame;

the waterproof sleeve is arranged on the water inlet side of the gate dam body, and covers the gap between the gate dam body and the supporting baseplate frame.

2. The fabricated hydraulic gate dam of claim 1, wherein: the equipment boxes are respectively arranged at the two ends of the gate dam body, the equipment boxes are fixed on the supporting baseplate frame, and the gear rack swing hydraulic cylinder is arranged in the equipment boxes.

3. The fabricated hydraulic gate dam of claim 1, wherein: the cross section of the supporting baseplate frame is L-shaped or concave-shaped.

4. The fabricated hydraulic gate dam of claim 1, wherein: the gate dam body is of a flat plate type or an arc plate type protruding towards the water side.

5. The fabricated hydraulic gate dam of claim 1, wherein: the gear rack swing hydraulic cylinder comprises a shell, a rack pushing hydraulic cylinder, a gear shaft and a locking device, wherein the rack pushing hydraulic cylinder is provided with a rack piston, the gear shaft is provided with a transmission gear meshed with the rack piston, the locking device is provided with a telescopic device and a stop dog, the telescopic device is fixed with the shell, one end of the stop dog is fixedly connected with the telescopic device, the other end of the stop dog is provided with stop teeth matched with the tooth shape of the transmission gear, the gear shaft is fixedly connected with the end part of a bottom shaft, the stop teeth are in a limiting state when meshed with the transmission gear, and the gear shaft is in a rotatable state when the stop teeth are separated from the transmission gear.

6. The fabricated hydraulic gate dam of claim 5, wherein: the locking device comprises an exhaust valve, a disc spring, a cylinder barrel, a cylinder body, a piston rod and a stop block, wherein the two ends of the cylinder barrel are respectively provided with the exhaust valve and the cylinder body, the cylinder body is fixed in a shell, the tail end of the piston rod is arranged in the cylinder barrel and is in sealing sliding connection with the cylinder barrel, the disc spring is arranged between the tail end of the piston rod and the exhaust valve at one end of the cylinder barrel, the two ends of the disc spring are respectively propped against the exhaust valve and the tail end of the piston rod, the top end of the piston rod penetrates through the cylinder barrel and the cylinder body to extend outwards and is in sealing sliding connection with the cylinder body, one end of the stop block is provided with stop teeth, the other end of the stop block is fixedly connected with the top end of the piston rod, and the stop block is in sliding connection with the shell.

7. The fabricated hydraulic gate dam of claim 6, wherein: the locking device is characterized in that a sliding shoe is arranged on the outer side of the stop block, the sliding shoe is connected with the stop block through a countersunk screw, a locking nut with an end face locking function is arranged at the joint of the piston rod and the stop block, and when the locking device is used, a pre-tightening force and a vertical force of a set screw are generated through the nut to prevent loosening.

8. The fabricated hydraulic gate dam of claim 6, wherein: the disc spring is formed by superposing one disc spring monomer or a plurality of disc spring monomers.

9. A fabricated hydraulic gate dam according to any one of claims 1 to 4, wherein: the assembled hydraulic gate dam is integrally arranged in the dam body structure, the dam body structure comprises a mounting groove, a C25 cushion layer is arranged at the bottom of the mounting groove, a tensile steel sheet pile impervious wall is arranged on the upstream water inlet side of the mounting groove, a stone throwing anti-flushing wall is arranged on the downstream water outlet side of the mounting groove, and backfill soil layers are respectively arranged on two sides of the supporting baseplate frame of the assembled hydraulic gate dam.