CN219992378U

CN219992378U - Lifting gate structure for hydraulic engineering

Info

Publication number: CN219992378U
Application number: CN202320647194.9U
Authority: CN
Inventors: 林康
Original assignee: Hangzhou Yucheng Construction Engineering Co ltd
Current assignee: Hangzhou Yucheng Construction Engineering Co ltd
Priority date: 2023-03-29
Filing date: 2023-03-29
Publication date: 2023-11-10
Anticipated expiration: 2033-03-29

Abstract

The utility model relates to the technical field related to lifting gates, and particularly discloses a lifting gate structure for hydraulic engineering, which comprises a gate, a door frame, a bottom plate, a door lintel and a lifting system, wherein the gate is connected in the door frame in a sliding manner, the door frame is symmetrically arranged on two sides of the bottom plate, the door lintel is arranged above the door frame, the lifting system is arranged on the door lintel, and a control panel for controlling the lifting system is arranged on the outer wall of the lifting system; the lifting system comprises a double-shaft motor, speed reducers connected to two sides of the double-shaft motor, transmission shafts arranged on two sides of the speed reducers and a plurality of screw rods symmetrically arranged on two sides of the double-shaft motor, wherein a plurality of first bevel gears are arranged on the transmission shafts, the first bevel gears are all meshed with second bevel gears, the second bevel gears are arranged on the screw rods, a plurality of sleeves for connecting a gate are arranged on the screw rods, and a connecting structure is arranged at the joint of the double-shaft motor and the speed reducers.

Description

Lifting gate structure for hydraulic engineering

Technical Field

The utility model relates to the technical field of lifting gates, and particularly discloses a lifting gate structure for hydraulic engineering.

Background

The sluice is a low-head hydraulic building, the gate is a control facility for closing and opening a water discharge channel, and is an important component of the hydraulic building, and the sluice is usually built at the bank sides of a river channel, a reservoir and a lake and can be used for intercepting water flow, controlling water level, regulating flow, discharging sediment, floating objects and the like.

The sluice is mainly composed of a sluice chamber bottom plate, a sluice pier, a breast wall, a gate, a working bridge, a dike top, a lifting mechanism and the like, the sluice is required to have enough gravity to maintain self stability, has the characteristics of seepage prevention, scouring resistance and the like, and needs to lift the gate in the process of adjusting water level and controlling flow, and the gate can be lifted to realize the opening and closing control of the sluice gate, so that the lifting mechanism is required to be used.

The construction of a plurality of sluice gates plays a great social benefit and economic benefit in aspects of flood control scheduling, flood control, tide blocking and light storage, agricultural irrigation, aquaculture, urban industrial and resident living water supply and the like, and belongs to indispensable water conservancy facilities. In various large-scale water supply and drainage, hydraulic and hydroelectric engineering, the water gate lifting system for controlling the lifting of various large and medium cast iron gates and steel gates to achieve the opening and closing functions plays a vital role, but the structure of the existing screw type gate lifting system is not stable enough, the gate can shake in the process of lifting and lowering the gate, the long-time shake can cause the gate to loosen, the water flow control of the hydraulic engineering is not facilitated, and in view of the problem, the inventor provides a lifting gate structure for the hydraulic engineering.

Disclosure of Invention

The utility model aims to solve the problem that the traditional gate lifting device is unstable in lifting when lifting a gate.

In order to achieve the above purpose, the basic scheme of the utility model provides a lifting gate structure for hydraulic engineering, which comprises a gate, a door frame, a bottom plate, a door lintel and a lifting system, wherein the gate is in sliding connection with the inside of the door frame, the door frame is symmetrically arranged on two sides of the bottom plate, the door lintel is arranged above the door frame, the lifting system is arranged on the door lintel, and a control panel for controlling the lifting system is arranged on the outer wall of the lifting system;

the lifting system comprises a double-shaft motor, speed reducers connected to two sides of the double-shaft motor, transmission shafts arranged on two sides of the speed reducers, and a plurality of screw rods symmetrically arranged on two sides of the double-shaft motor, wherein a plurality of first bevel gears are arranged on the transmission shafts, the first bevel gears are all meshed with second bevel gears, the second bevel gears are arranged on the screw rods, a plurality of sleeves used for connecting gates are arranged on the screw rods, and connecting structures are arranged at the joints of the double-shaft motor and the speed reducers.

The principle and effect of this basic scheme lie in:

1. compared with the prior art, the device realizes the ascending or descending of the gate through the symmetrical screw rods and the sleeves on the screw rods on the lifting system, the traditional gate lifting system realizes the ascending or descending of the gate by using the independent threaded screw rods, and in the use process of the threaded screw rods, the gate can shake in the lifting process due to the impact of water flow, the lifting of the gate is unstable, and the long-time shake can lead to the connection of the gate to be loose.

2. Compared with the prior art, the device sets up the reduction gear on operating system, uses the reduction gear to drop the rotational speed of biax motor output for operating system can have an average stable speed when rising or lowering the gate, promotes the stability when the gate goes up and down, avoids rocking when the gate goes up and down, perhaps leads to gate and bottom plate or lintel to bump because of the too fast speed when the gate goes up and down, causes the damage.

Further, the gate both sides symmetry is provided with the sliding plate, sliding plate and sleeve fixed connection. The sliding plates are symmetrically arranged on two sides of the gate and are used for being connected with the door frame in a sliding mode, so that the gate is smoother when being lifted, the situation that clamping is caused when the gate is lifted is avoided, and the operation of hydraulic engineering is influenced.

Further, a sliding groove which is used for being in sliding connection with the sliding plate is arranged on the door frame. The sliding groove is arranged on the door frame and is connected with the sliding plate, friction during lifting of the gate is reduced, the gate is easier to lift, and the double-shaft motor consumes less energy.

Further, a plurality of connecting plates are arranged on the bottom plate. The connecting plate is arranged on the bottom plate and is used for being connected with the connecting groove on the gate.

Further, the bottom of the gate is provided with a connecting groove for being connected with the connecting plate. The recess that can be provided with on the traditional lift gate bottom plate and be used for being connected with the gate, can leave ponding in the recess when the gate rises, lead to the gate unable normal sealing when descending, influence the normal use of gate.

Further, the control panel is electrically connected with the biaxial motor. The control panel is electrically connected with the double-shaft motor, and the motor is more convenient to start or close.

Further, connection structure includes motor shaft, motor gear, reduction gear, transmission shaft, a plurality of first bearings and second bearing, the motor shaft is connected at biax motor output, motor gear sets up on the motor shaft, motor gear and reduction gear meshing, reduction gear sets up on the transmission shaft, first bearing sets up at motor shaft both ends and transmission shaft setting and is being close to motor one end, the second bearing sets up and keeps away from motor one end at the transmission shaft. The speed reducer is arranged in front of the double-shaft motor, and the rotating speed of the double-shaft motor is reduced by the speed reducer, so that the gate has an average stable speed when lifting, and collision between the gate and a bottom plate or a door lintel is avoided.

Drawings

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

Fig. 1 shows a schematic structural diagram of a lifting gate structure for hydraulic engineering according to an embodiment of the present utility model;

fig. 2 shows a schematic view of a gate frame joint of a lifting gate structure for hydraulic engineering according to an embodiment of the present utility model;

fig. 3 is a schematic diagram of a lifting system of a lifting gate structure for hydraulic engineering according to an embodiment of the present utility model;

fig. 4 shows a schematic diagram of a connection structure of a dual-shaft motor-reducer of a lifting gate structure for hydraulic engineering according to an embodiment of the present utility model.

Detailed Description

In order to further describe the technical means and effects adopted by the present utility model for achieving the intended purpose, the following detailed description will refer to the specific implementation, structure, characteristics and effects according to the present utility model with reference to the accompanying drawings and preferred embodiments.

Reference numerals in the drawings of the specification include: gate 1, door frame 2, bottom plate 3, lintel 4, lift system 5, control panel 6, sliding plate 7, sliding groove 8, connecting plate 9, connecting groove 10, biax motor 11, transmission shaft 12, reduction gear 13, first helical gear 14, second helical gear 15, lead screw 16, sleeve 17, motor shaft 18, motor gear 19, reduction gear 20, first bearing 21, second bearing 22.

Examples are shown in fig. 1, 2, 3 and 4:

the lifting gate structure for hydraulic engineering consists of a gate 1, a door frame 2, a bottom plate 3, a door lintel 4, a lifting system 5, a control panel 6, a sliding plate 7, a sliding groove 8, a connecting plate 9, a connecting groove 10, a double-shaft motor 11, a transmission shaft 12, a speed reducer 13, a first bevel gear 14, a second bevel gear 15, a screw rod 16, a sleeve 17, a motor shaft 18, a motor gear 19, a speed reducer gear 20, a first bearing 21 and a second bearing 22.

As shown in fig. 1 and 2, the lifting gate structure is composed of a gate 1, a door frame 2, a bottom plate 3, a door lintel 4 and a lifting system 5, wherein the gate 1 is arranged above the bottom plate 3, the door frame 2 is symmetrically arranged on two sides of the bottom plate 3, the door lintel 4 is arranged above the door frame 2, the lifting system 5 is arranged above the door lintel 4, two ends of the gate 1 are fixedly connected with sliding plates 7, sliding grooves 8 are formed in the door frame 2, when the gate 1 lifts, the sliding plates 7 slide in the sliding grooves 8, friction force of the gate 1 during lifting is reduced, power loss of the lifting system 5 is reduced, and energy is saved. The connecting groove 10 is arranged below the gate 1, the connecting plate 9 used for being connected with the connecting groove 10 is arranged above the bottom plate 3, and the connecting plate 9 is arranged on the bottom plate 3, so that the situation that accumulated water is left in the connecting groove 10 when the gate 1 ascends due to the fact that the connecting groove 10 is arranged on the bottom plate 3 of the traditional gate 1, and the gate 1 cannot be completely sealed in the subsequent descending process is avoided, and the normal use of the gate 1 is affected.

As shown in fig. 3 and 4, the lifting system 5 is composed of a double-shaft motor 11, a speed reducer 13, a transmission shaft 12, a screw rod 16, a first bevel gear 14 and a second bevel gear 15, when the lifting system 5 is started, the control panel 6 controls the double-shaft motor 11 to start, the double-shaft motor 11 is connected with the speed reducer 13 to drive the transmission shaft 12 at the left end and the right end of the speed reducer 13 to rotate, the first bevel gear 14 on the transmission shaft 12 rotates along with the transmission shaft, the first bevel gear 14 drives the second bevel gear 15 meshed with the first bevel gear 14 to rotate, the second bevel gear 15 is connected with the screw rod 16, the second bevel gear 15 drives the screw rod 16 to rotate, four sleeves 17 are arranged on the screw rod 16, the sleeves 17 move up and down along with the rotation of the screw rod 16, the sleeves 17 are fixedly connected with the sliding plate 7 to drive the gate 1 fixedly connected with the sliding plate 7 to open or close the gate 1, and the purpose of controlling the water flow of the hydraulic engineering is achieved.

The motor shaft 18 is connected at the both ends of biax motor 11, and motor gear 19 connects on the motor shaft 18, and motor gear 19 meshes with reduction gear 20, and reduction gear 20 connects on transmission shaft 12, and the both ends of motor shaft 18 all are provided with first bearing 21, and transmission shaft 12 is provided with first bearing 21 near biax motor 11 one end, and the one end that keeps away from biax motor 11 is provided with second bearing 22. After the double-shaft motor 11 is started, a motor shaft 18 connected to the output end of the double-shaft motor 11 is driven to rotate, the motor shaft 18 drives a motor gear 19 connected to the motor shaft 18 to rotate, and the motor gear 19 drives a reducer gear 20 meshed with the motor gear 19 to rotate, so that the transmission shaft 12 rotates, a first bevel gear 14 connected to the transmission shaft 12 is driven to rotate, and a second bevel gear 15 can drive the gate 1 to ascend or descend.

The specific implementation process comprises the following steps:

in hydraulic engineering, the gate 1 is a control facility for closing and opening a water discharge channel, and the specific steps of lifting and lowering the gate 1 are as follows: the double-shaft motor 11 is controlled to start through the control panel 6, the double-shaft motor 11 rotates, the transmission shaft 12 on two sides of the speed reducer 13 is driven to rotate, the transmission shaft 12 drives the first bevel gear 14 to rotate, the first bevel gear 14 drives the second bevel gear 15 meshed with the first bevel gear 14 to rotate, the second bevel gear 15 drives the screw rod 16 to rotate, the screw rod 16 is provided with the sleeve 17, the sleeve 17 moves up and down along with the rotation of the screw rod 16, accordingly, the sliding plate 7 fixedly connected with the sleeve 17 is driven to move up and down, the sliding plate 7 is arranged in the sliding groove 8, the sliding plate 7 is fixedly connected with the gate 1, the gate 1 slides in the sliding groove 8 in the door frame 2, when the gate 1 is closed, the gate 1 is connected with the bottom plate 3 through the connecting plate 9 and the connecting groove 10, no gap is reserved between the gate 1 and the bottom plate 3, the sealing purpose is achieved, and the water flow can be blocked on one side of the gate 1, and the water level and water flow control effect is achieved through lifting the gate 1.

The device solves the problem that the traditional gate lifting device is unstable in lifting when lifting the gate.

The present utility model is not limited to the above embodiments, but is capable of modification and variation in detail, and other modifications and variations can be made by those skilled in the art without departing from the scope of the present utility model.

Claims

1. Lifting gate structure that hydraulic engineering used, its characterized in that: the door comprises a gate, a door frame, a bottom plate, a door lintel and a lifting system, wherein the gate is in sliding connection with the inside of the door frame, the door frame is symmetrically arranged on two sides of the bottom plate, the door lintel is arranged above the door frame, the lifting system is arranged on the door lintel, and a control panel for controlling the lifting system is arranged on the outer wall of the lifting system;

2. The lifting gate structure for hydraulic engineering according to claim 1, wherein sliding plates are symmetrically arranged on two sides of the gate, and the sliding plates are fixedly connected with the sleeve.

3. The lifting gate structure for hydraulic engineering according to claim 2, wherein the door frame is provided with a sliding groove for sliding connection with the sliding plate.

4. The lifting gate structure for hydraulic engineering according to claim 1, wherein a plurality of connecting plates are arranged on the bottom plate.

5. The lifting gate structure for hydraulic engineering according to claim 4, wherein the gate bottom is provided with a connection groove for connection with the connection plate.

6. The lifting gate structure for hydraulic engineering according to claim 1, wherein the control panel is electrically connected with the biaxial motor.

7. The lifting gate structure for hydraulic engineering according to claim 1, wherein the connecting structure comprises a motor shaft, a motor gear, a speed reducer gear, a transmission shaft, a plurality of first bearings and a plurality of second bearings, the motor shaft is connected to the output end of the double-shaft motor, the motor gear is arranged on the motor shaft, the motor gear is meshed with the speed reducer gear, the speed reducer gear is arranged on the transmission shaft, the first bearings are arranged at two ends of the motor shaft and at one end of the transmission shaft, which is close to the motor, and the second bearings are arranged at one end of the transmission shaft, which is far away from the motor.