CN217231709U

CN217231709U - Tongue flap gate device

Info

Publication number: CN217231709U
Application number: CN202220069014.9U
Authority: CN
Inventors: 胡鹏程; 贺开宇; 尹皓; 黄凯; 陶洪; 朱青; 吴昊瑧
Original assignee: Sichuan Water Resources And Hydropower Survey Design And Research Institute Co ltd
Current assignee: Sichuan Shuifa Survey Design And Research Co ltd
Priority date: 2022-01-11
Filing date: 2022-01-11
Publication date: 2022-08-19
Anticipated expiration: 2032-01-11

Abstract

The utility model discloses a tongue lamella gate device, include: the flap gate, the gate opening and closing mechanism and the crank rocker mechanism; the flap gate is hinged on a main body gate of the hydraulic engineering; the gate opening and closing mechanism is fixedly connected with the flap gate and is in transmission connection with the winch hoist through the crank and rocker mechanism, wherein the crank and rocker mechanism drives the gate opening and closing mechanism to rotate under the driving of the winch hoist so as to drive the flap gate to open or close; the utility model can share the winch hoist with the main body gate, and the independent configuration of the winch hoist or the hydraulic hoist on the door for the flapper gate is not needed, thereby not only saving the investment, but also being convenient for the later maintenance; meanwhile, the flap gate can be operated to rotate through the winch hoist, and can be parked at any rotating position to control the water drainage flow, so that multiple functions of small-flow drainage of surface water, floating drainage and the like are realized under the condition that the water retaining function of the main body gate is not influenced.

Description

Tongue flap gate device

Technical Field

The utility model belongs to the technical field of hydraulic and hydroelectric engineering, concretely relates to tongue lamella gate device.

Background

In order to meet various requirements of flood control, irrigation, power generation, shipping, water supply and the like, a water conservancy and hydropower engineering building is usually constructed on a river to form a reservoir, raise the water level and regulate runoff; the hydraulic and hydroelectric engineering brings great benefits to people and simultaneously has corresponding problems, for example, the conditions of arranging independent ecological water discharging buildings, surface layer irrigation water taking buildings and the like are poor due to the reasons of narrow river channels, investment saving and the like in partial engineering, and in order to meet the requirement of small flow discharge required by ecological water discharging or irrigation, a mode of opening a large-aperture-size working gate for a long time with small opening degree is mostly adopted, and the problems of vibration of the gate, gate slot cavitation and the like which are easily caused by the mode are very unfavorable for the operation of the engineering.

Simultaneously, do not set up the river course or the channel section of blocking dirty and trash cleaning equipment among the hydraulic and hydroelectric engineering, for avoiding surface of water top layer filth to cause the jam to low reaches valve and leading water generating set, all can carry out the work of decontaminating to the surface of water, but because can not discharge the filth through the mode that the flood discharge working door of opening entirely reveals, consequently, can adopt artifical mode to clear up the dirt mostly, this has not only increased the cost, still has certain potential safety hazard, is unfavorable for hydraulic and hydroelectric engineering's safe operation.

Therefore, in order to meet the requirements of ecological water drainage and sewage disposal, floating drainage valves are mostly arranged independently in hydraulic and hydroelectric engineering or flap gates are arranged on main body gates to realize floating drainage at present; however, the traditional flap gate needs to arrange an independent hydraulic opening and closing oil cylinder on a main body gate to control the operation of the flap, so that the investment is large, the maintenance workload of a later hydraulic opening and closing system is large, and the problems of internal power supply, control cable arrangement and complex maintenance of the synchronous function of the double oil cylinders exist; therefore, it is urgent to provide a flapper gate that is low in cost and simple to maintain.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a tongue lamella gate device to solve current tongue lamella gate and need set up hydraulic pressure alone and open and close the problem with high costs and the maintenance difficulty that the switching that the hydro-cylinder controlled the gate exists.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

in a first aspect, the utility model provides a tongue lamella shutter device, include: the flap gate, the gate opening and closing mechanism and the crank rocker mechanism;

the flap gate is hinged on a main body gate of hydraulic engineering;

the gate opening and closing mechanism is fixedly connected with the flap gate and is in transmission connection with the winch hoist through the crank rocker mechanism, wherein the crank rocker mechanism drives the gate opening and closing mechanism to rotate under the driving of the winch hoist so as to drive the flap gate to be opened or closed, and the winch hoist is an opening and closing control device of the main body gate.

Based on the above disclosure, the present invention provides a crank and rocker mechanism and a gate opening and closing mechanism for a flap gate, so that the winch hoist of the main body gate in the hydraulic and hydroelectric engineering can be directly utilized as the opening and closing control device of the flap gate, i.e. the winch hoist is in transmission connection with the crank and rocker mechanism, and the crank and rocker mechanism is in transmission connection with the gate opening and closing mechanism, therefore, the crank and rocker mechanism can drive the gate opening and closing mechanism to rotate under the driving of the winch hoist, thereby driving the flap gate to open or close.

Therefore, through the design, the utility model can share the winch hoist with the main body gate, and the independent configuration of the winch hoist or the hydraulic hoist on the door for the flap gate is not needed, thereby not only saving the investment, but also facilitating the later maintenance; meanwhile, the flap gate can be operated by the winch hoist to rotate, and can be parked at any rotating position to control the discharge flow, so that multiple functions of small-flow discharge of surface water, floating drainage and the like are realized under the condition of not influencing the water retaining function of the main body gate.

In one possible design, the crank and rocker mechanism includes a crank, a rocker, and a pull rod;

one end of the pull rod is fixedly connected with a hanging head of the winch hoist, the other end of the pull rod is connected with one end of the rocker, and the other end of the rocker is connected with the gate opening and closing mechanism through the crank in a transmission mode.

Based on the above disclosure, the utility model discloses a concrete structure of crank rocker mechanism, its theory of operation is: the winch hoist drives the pull rod to move up and down, and the pull rod drives the crank and the rocker to move, so that the up-and-down movement of the winch hoist driving the pull rod is converted into rotary movement, and the flapper gate is driven to rotate; in addition, compared with a hydraulic hoist for operating the flapper gate, the crank and rocker mechanism is used as a transmission mechanism, the lower part of the main body gate does not need to support the oblique upward thrust, the stress condition is better, the pressure borne by the main body gate is reduced, and the stable operation of the gate is ensured.

In one possible design, the pull rod is connected with the rocker through a first pin shaft, and the rocker is connected with the crank through a second pin shaft; when the crank rocker mechanism is applied specifically, the axial position and the axial gap size between each connecting part can be determined by the pin shaft, and the stable operation of the crank rocker mechanism is ensured.

In one possible design, the shutter opening and closing mechanism includes: a bottom shaft and a connecting shaft;

the bottom shaft is fixedly connected with the flap gate, wherein the bottom shaft is in transmission connection with one end of the connecting shaft through a coupler, and the other end of the connecting shaft is in transmission connection with the crank rocker mechanism through a spline.

Based on the above disclosure, the present invention discloses a specific structure of a gate opening and closing mechanism, the working principle of which is: after the crank and the rocker are used for converting the up-and-down motion of the pull rod into rotary motion, the crank drives the connecting shaft to rotate, so that the bottom shaft is driven to synchronously rotate with the bottom shaft, and the flapper gate is opened or closed; meanwhile, the gate opening and closing mechanism is divided into three sections, force is transmitted through the coupling, the spline and other connecting pairs, assembly or disassembly is very convenient, and maintenance is convenient.

In one possible design, a bearing support is arranged on the main body gate, wherein a self-lubricating bearing is arranged in the bearing support, and the bottom shaft is sleeved with an inner ring of the self-lubricating bearing so as to be rotatably connected to the main body gate; when the self-lubricating bearing is used in specific application, the self-lubricating bearing is used as a revolute pair, the friction resistance is small, and the flapper gate can be ensured to be opened or closed stably under different water pressures.

In a possible design, a pre-pressing type water stopping mechanism matched with the main body gate is arranged on the flap gate and used for stopping water when the flap gate is closed.

In a possible design, the prepressing type water stopping mechanism comprises a side water stopping water seal and a bottom water stopping water seal, wherein the side water stopping water seal is fixed on the end surface of the flap gate opposite to the upper guide plate of the main body gate, and the bottom water stopping water seal is fixed on the end surface of the flap gate opposite to the water stopping support on the main body gate.

Based on the above disclosure, the water stopping mechanism provided by the present invention adopts a pre-pressing type, that is, the side water stopping mechanism pre-presses the guide plate on the main body gate for water sealing, and the bottom water stopping mechanism pre-presses the cambered surface plate on the water stopping support assembled on the main body gate for water sealing, so as to achieve a better water stopping effect.

In one possible design, the flapper gate is formed by welding a plurality of arc-shaped panels; during the specific application, the cambered surface board is as the overflow weir face, and the rivers condition is better, can not take place rivers and initiate the condition of gate vibration.

Drawings

Fig. 1 is a schematic structural view of a flapper gate device provided by the present invention;

fig. 2 is a schematic structural diagram of a shutter opening and closing mechanism provided by the present invention;

fig. 3 is a schematic structural diagram of the crank and rocker mechanism provided by the present invention when the flapper gate is fully opened;

fig. 4 is a schematic structural diagram of the crank rocker mechanism provided by the present invention when the flapper gate is fully closed;

FIG. 5 is a schematic structural view of the flapper gate device provided by the present invention when fully opened;

fig. 6 is a schematic structural view of the flapper gate device provided by the present invention when fully closed;

fig. 7 is a schematic structural view of the side water-stopping water seal provided by the present invention;

fig. 8 is a schematic structural view of the bottom water seal provided by the present invention;

reference numerals: 10-flap gate; 20-a gate opening and closing mechanism; 30-crank rocker mechanism; 31-a crank; 32-rocker; 33-a pull rod; 21-bottom axis; 22-a connecting shaft; 23-a coupler; 40-side water stop and seal; 50-bottom water stop seal.

Detailed Description

The invention will be further described with reference to the accompanying drawings and specific embodiments. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. Specific structural and functional details disclosed herein are merely representative for purposes of describing example embodiments of the present invention. The present invention may, however, be embodied in many alternate forms and should not be construed as limited to the embodiments set forth herein.

Examples

As shown in fig. 1 to 8, the flap gate device provided in this embodiment can be applied to, but not limited to, main gates of various hydraulic and hydroelectric projects, can realize multiple functions such as small-flow surface water discharge and float removal without affecting the water retaining function of the main gate, and is suitable for large-scale popularization and application.

In this embodiment, the flap gate device may include, but is not limited to: the sluice gate comprises a flap gate 10, a gate opening and closing mechanism 20 and a crank rocker mechanism 30, wherein the flap gate 10 is hinged to a main body gate of hydraulic engineering during specific application and is used for achieving functions of small-flow surface water discharge, float drainage and the like.

In this embodiment, the flap gate 10 is equipped with a transmission component and a gate opening and closing mechanism 20, wherein the gate opening and closing mechanism 20 is fixedly connected to the flap gate 10, and the transmission component can directly use a hoisting hoist of the main gate as a power source, and under the driving of the hoisting hoist, the gate opening and closing mechanism 20 is driven to rotate, so as to drive the flap gate 10 to open or close; in a specific application, the transmission component is a crank and rocker mechanism 30, that is, the gate opening and closing mechanism 20 is in transmission connection with the winch hoist through the crank and rocker mechanism 30, so as to realize the rotation of the flapper gate 10.

Optionally, the hoisting hoist is an opening and closing control device of the main body gate, and when the hoisting hoist is specifically applied, a fixed hoisting hoist may be adopted, that is, in this embodiment, the flap gate 10 and the main body gate share one set of opening control device; therefore, the utility model provides a flap gate then need not to dispose hoist formula headstock gear alone or hydraulic hoist on the door, has not only saved the investment, the later maintenance of still being convenient for.

Referring to fig. 1 to 8, a specific structure of the gate opening and closing mechanism 20 and the crank and rocker mechanism 30 is provided as follows:

referring to fig. 1 and 2, in the present embodiment, the crank and rocker mechanism 30 may include, but is not limited to: a crank 31, a rocker 32, and a pull rod 33; similarly, referring to fig. 3 and 4, the shutter opening and closing mechanism 20 includes: the bottom shaft 21 and the connecting shaft 22, therefore, the connecting structure of the above components is:

referring to fig. 1 to 4, one end of the pull rod 33 is fixedly connected to a hanging head of the hoisting hoist, the other end of the pull rod 33 is connected to one end of the rocker 32, the other end of the rocker 32 is in transmission connection with the connecting shaft 22 in the gate opening and closing mechanism 20 through the crank 31, the connecting shaft 22 is in transmission connection with the bottom shaft 21, the bottom shaft 21 is in fixed connection with the flapper gate 10, specifically, the bottom shaft 21 is in transmission connection with one end of the connecting shaft 22 through the coupling 23, and the other end of the connecting shaft 22 is in transmission connection with the crank 31 in the crank and rocker mechanism 30 through a spline.

Therefore, with the aforementioned design, the shutter opening and closing mechanism 20 in this embodiment is not only a connecting member of the flap shutter 10 and the main body shutter, but also a transmission member for the movement of the flap shutter 10, and therefore, the flap shutter 10 provided in this embodiment operates according to the following principle: the winch hoist drives the pull rod 33 to move up and down, the pull rod 33 drives the crank 31 and the rocker 32 to move, so that the up-and-down movement of the winch hoist driving the pull rod 33 is converted into a rotary movement, and the connecting shaft 22 can drive the bottom shaft 21 to rotate under the driving of the crank 31, so that the rotation of the flap gate 10 is realized.

In a specific application, for example, the pull rod 33 is connected with the rocker 32 through a first pin shaft, and the rocker 32 is connected with the crank 31 through a second pin shaft; thus, the pin can be used to determine the axial position and the axial gap dimension between the respective connecting members, thereby ensuring stable operation of the crank and rocker mechanism 30.

In addition, in this embodiment, a bearing support is further disposed on the main body gate, wherein a self-lubricating bearing is disposed in the bearing support, and the bottom shaft 21 is sleeved with an inner ring of the self-lubricating bearing to be rotatably connected to the main body gate; specifically, two bearing supports can be arranged, and the bottom shaft 21 can penetrate through the bottom end of the flapper gate 10 along the length direction and is sleeved with self-lubricating bearings in the two bearing supports; meanwhile, the bearing support is made of engineering plastic alloy, and a smooth stainless steel plate is welded, polished and scraped on the friction surface of the bottom shaft 21 so as to protect the bottom shaft 21; therefore, by the design, the self-lubricating bearing serves as a revolute pair, the friction resistance is small, and the stable opening or closing of the flapper gate can be ensured under different water pressures.

Therefore, the flap gate is driven to rotate by the gate opening and closing mechanism 20 and the crank and rocker mechanism 30, and the following advantages are provided: the flapper gate 10 is driven by the bottom shaft, the structural stability is good, the left and right stress is uniform, the opening and closing mechanism is divided into three sections, the force is transmitted through the coupling, the spline and other connecting pairs, and the assembly or the disassembly is convenient; in addition, the crank rocker mechanism 30 is used as a transmission component, compared with a hydraulic hoist for driving a flap gate, the lower part of the main gate is not required to support an obliquely upward thrust, the stress condition is better, and the whole transmission structure is in a mechanical transmission mode, so that the use and the maintenance are convenient.

Referring to fig. 5 and 6, the flap gate 10 is formed by welding a plurality of arc panels, so that the arc panels are used as overflow surfaces, the water flow condition is good, and the situation that the gate is vibrated due to the water flow does not occur.

In order to further improve the performance of the flap gate 10, the flap gate 10 of the present embodiment is further equipped with a pre-pressure type water stopping mechanism matched with the main body gate, so as to perform a water stopping function when the flap gate 10 is closed.

Referring to fig. 7 and 8, the prepressing type water stopping mechanism includes a side water stopping seal 40 and a bottom water stopping seal 50, wherein the side water stopping seal 40 is fixed on an end surface of the flap gate 10 opposite to a guide plate on the main body gate, and the bottom water stopping seal 50 is fixed on an end surface of the flap gate 10 opposite to a water stopping support on the main body gate; therefore, the two water stopping components can form a water stopping system of the flap gate 10, when the flap gate is closed, the side water stopping water seal 40 and the guide plate on the main body gate are pre-pressed to seal water, and the bottom water stopping water seal and the arc-shaped panel on the water stopping support assembled on the main body gate are pre-pressed to seal water, so that a better water stopping effect is achieved.

In this embodiment, the side water seal 40 and the bottom water seal 50 are water-stop components commonly used in hydraulic and hydroelectric engineering, and if a P-type water seal is adopted, the water-stop components are key components for ensuring the water-seal and normal operation of the gate.

From this through the aforesaid explanation, the utility model discloses the effective effect who obtains does:

(1) the utility model discloses can with the main part gate sharing hoist formula headstock gear, need not to dispose the hydraulic hoist headstock gear on hoist formula headstock gear or the door alone for the flapper gate, not only save the investment, the later maintenance of still being convenient for.

(2) The utility model discloses a hoist formula headstock gear operation flap gate is rotatory, can park at arbitrary turned position, and control sluices the flow, consequently, can realize that the miniflow is released the top layer and is arranged multiple functions such as floating under the condition that does not influence the manger plate function of main part gate.

(3) The utility model discloses an open the flap gate and reach the purpose that big brake shoe hole low discharge overflows, avoided adopting the gate vibration scheduling problem that big gate open mode arouses.

(4) The flap gate provided by the utility model adopts a pure mechanical transmission mechanism, and the use and maintenance cost is low.

(5) The flap gate of the utility model is driven by the bottom shaft, has good structural stability and uniform left and right stress, the opening and closing mechanism is divided into three sections, and the force is transmitted through the coupling, the spline and other connecting pairs, so the assembly or the disassembly is convenient; in addition, the crank rocker mechanism is used as a transmission component, compared with a hydraulic hoist for driving the flap gate, the lower part of the main gate is not required to support the obliquely upward thrust, the stress condition is better, and the stable operation of the gate is ensured.

(6) The utility model provides a flap gate adopts a plurality of arcs panel welding to constitute, and from this, arcs panel is as the overflow weir face, and the rivers condition is better, can not take place rivers and cause the condition of gate vibration.

(7) The utility model provides a stagnant water mechanism adopts the pre-compaction formula, and the guide plate pre-compaction water sealing on stagnant water and the main part gate is leaned on promptly, and the cambered plate pre-compaction water sealing on end stagnant water and the stagnant water support of assembly on the main part gate has reached better stagnant water effect.

(8) The self-lubricating bearing is used as a revolute pair between the flap gate and the main body gate, the frictional resistance is small, and the stable opening or closing of the flap gate can be ensured under different water pressures.

Finally, it should be noted that: the above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A flap gate device, comprising: the device comprises a flap gate (10), a gate opening and closing mechanism (20) and a crank rocker mechanism (30);

the flap gate (10) is hinged on a main body gate of hydraulic engineering;

the gate opening and closing mechanism (20) is fixedly connected with the flap gate (10), the gate opening and closing mechanism (20) is in transmission connection with a winch hoist through the crank rocker mechanism (30), the crank rocker mechanism (30) drives the gate opening and closing mechanism (20) to rotate under the driving of the winch hoist so as to drive the flap gate (10) to be opened or closed, and the winch hoist is an opening and closing control device of the main body gate.

2. A flap gate arrangement according to claim 1, wherein the crank-rocker mechanism (30) comprises a crank (31), a rocker (32) and a pull rod (33);

one end of the pull rod (33) is fixedly connected with a hanging head of the winch hoist, the other end of the pull rod (33) is connected with one end of the rocker (32), and the other end of the rocker (32) is in transmission connection with the gate opening and closing mechanism (20) through the crank (31).

3. A flap gate arrangement according to claim 2, wherein the pull rod (33) is connected to the rocker (32) by a first pin and the rocker (32) is connected to the crank (31) by a second pin.

4. A flap gate assembly as set forth in claim 1, wherein said gate opening and closing mechanism (20) includes: a bottom shaft (21) and a connecting shaft (22);

the bottom shaft (21) is fixedly connected with the flap gate (10), wherein the bottom shaft (21) is in transmission connection with one end of the connecting shaft (22) through a shaft coupling (23), and the other end of the connecting shaft (22) is in transmission connection with the crank and rocker mechanism (30) through a spline.

5. A flap gate assembly according to claim 4 wherein said body gate is provided with a bearing support, wherein said bearing support is provided with a self-lubricating bearing, and said bottom shaft (21) is journalled with an inner race of said self-lubricating bearing for rotational attachment to said body gate.

6. A flapper gate assembly as claimed in claim 1 wherein the flapper gate (10) is provided with a pre-stressed water stop mechanism cooperating with the body gate for stopping water when the flapper gate (10) is closed.

7. The flap gate device according to claim 6, wherein the pre-pressing type water stopping mechanism comprises a side water stopping seal (40) and a bottom water stopping seal (50), wherein the side water stopping seal (40) is fixed on the end surface of the flap gate (10) opposite to the guide plate on the main body gate, and the bottom water stopping seal (50) is fixed on the end surface of the flap gate (10) opposite to the water stopping support on the main body gate.

8. The flapper gate assembly of claim 1 wherein the flapper gate (10) is comprised of a plurality of welded arcuate panels.