CN112832206A

CN112832206A - Folding sluice gate

Info

Publication number: CN112832206A
Application number: CN202110180362.3A
Authority: CN
Inventors: 庄天文
Original assignee: Jiaxing University
Current assignee: Jiaxing University
Priority date: 2021-02-08
Filing date: 2021-02-08
Publication date: 2021-05-25

Abstract

The invention relates to the technical field of hydraulic engineering, in particular to a folding sluice gate, wherein a left concrete sluice pier and a right concrete sluice pier are poured on a sluice bottom plate, a sluice chamber is formed between the two sluice piers and on the sluice bottom plate, a pair of hydraulic motors are arranged on the sides of the sluice chambers at the tops of the two sluice piers, the sluice gate further comprises a first door and a second door, a hinge is arranged on the downstream side of the butt joint of the first door and the second door, and two sides of the upper end of the first door are fixedly connected with output shafts of the hydraulic motors on the same side. And a hydraulic station is arranged at any position around the brake station, and a hydraulic main pipe of the hydraulic station is divided into two hydraulic branch pipes to be connected to corresponding hydraulic motors. The folding water gate can be opened and closed in a folding manner, the height requirement for opening the gate can be reduced, the folding water gate is directly erected at the top of a gate pier after being opened, the safety is high, the requirement for infrastructure is low, and the cost is low.

Description

Folding sluice gate

Technical Field

The invention relates to the technical field of hydraulic engineering, in particular to a folding sluice gate.

Background

The sluice is the hydraulic structure that is commonly used in hydraulic engineering construction. In the prior art, the gate is operated by adopting a gate opening frame and a hoist arranged on the gate opening frame. However, the mode of setting the opening door frame to open and close the gate usually needs to occupy higher space, the height of the opening door frame above the ground level can reach 6-8 m, and some opening door frames are even higher, and some places can affect the landscape due to incoordination with the area. When the sluice is used for site selection, the situation that existing river-crossing buildings such as high-voltage electric wires, pipelines or other structures exist in proper sluice sites is often caused, so that the situation that the positions of sluice stations are overlapped with the positions of the high-voltage electric wires is often caused, the situation of building dense areas is more prominent, and if site selection is performed additionally, the manufacturing cost and the like are increased greatly, or proper sluice sites do not exist at all, so that great difficulty is caused to the overall layout of regional hydraulic engineering. In addition, most of the existing gates are of a lifting type, when the gates are in an opening state, the gates are suspended and placed in the air, and certain danger exists under the action of strong wind or external force.

Disclosure of Invention

The invention provides a folding water gate for solving the technical defects, and aims to realize the folding lifting opening and closing of the gate and reduce the required height space of the gate.

The invention discloses a turnover water gate, which comprises a water gate bottom plate positioned at the bottom of a river channel and gate piers arranged at two sides of the water gate bottom plate, wherein a gate chamber is arranged between the two gate piers and above the water gate bottom plate, a gate sill is arranged on the water gate bottom plate, the gate sill is connected with the two gate piers, a support ridge is formed by narrowing the two gate piers of the gate sill towards the inside of the gate chamber, the gate sill and the support ridge are positioned on the same plane, a pair of hydraulic motors are arranged at the support ridge at the upper ends of the two gate piers, the output shafts of the hydraulic motors are oppositely arranged, the central axes of the output shafts are positioned on the same horizontal line, the turnover water gate also comprises a first door and a second door, a hinge is arranged at the downstream side position of the butt joint of the first door and the second door, the lower end of the first door is mutually connected with the upper end of the second door through the hinge, two ends of the upper, a support table is arranged at the top of the gate pier at the side edge of the hydraulic motor close to the downstream side of the gate chamber, and the first door and the second door are folded and placed on the support table when the gate is opened; under the closing state, the edges of the first door and the second door are contacted and jointed with the supporting threshold and the threshold; the hydraulic station is characterized by further comprising a hydraulic station, a hydraulic main pipe of the hydraulic station extends to the middle of the two hydraulic motors, a three-way joint is arranged at the end of the hydraulic main pipe, two pairs of hydraulic branch pipes are connected to the three-way joint, the hydraulic branch pipes are connected to the corresponding hydraulic motors, and the two pairs of hydraulic branch pipes are consistent in length.

The hydraulic station is provided with two hydraulic main pipes, the two hydraulic main pipes are connected with two pairs of hydraulic branch pipes through three-way joints, the hydraulic branch pipes extend to the hydraulic motor, one of the hydraulic main pipes is used as an output pipe, the other hydraulic main pipe is used as an input pipe, in the process of positive rotation and negative rotation of the hydraulic motor, the input and output of the two hydraulic main pipes are mutually switched, and a loop is formed among the hydraulic station, the hydraulic main pipes, the hydraulic branch pipes and the hydraulic motor.

The distance between two support sills is smaller than the width of the first door and the second door, so when the first door and the second door are descended and closed, the downstream surfaces of the edges of the first door and the second door are attached to the support sills, the support sills and the threshold are positioned on the same plane, and when the second door is attached to the support sills, the lower end of the second door is attached to the threshold. Therefore, the first door and the second door have good blocking effect on the river channel. Simultaneously above-mentioned technical scheme, build the concrete gate mound in sluice chamber both sides, the gate mound top surface that corresponds the position at the supporting bank sets up a pair of hydraulic motor, connect a door on hydraulic motor's output shaft, the lower extreme of a door passes through No. two doors of hinged joint, so when the gate need be closed, only need rotate hydraulic motor to a below that the door is located the output shaft, at this moment, No. two doors also are located a below, a door simultaneously, the both ends of No. two doors respectively with the supporting bank on the gate mound, the threshold is laminated, so can realize blocking to the river. When the gate needs to be opened, the two hydraulic motors synchronously rotate to turn the first door and the second door outwards, the first door and the second door are gradually folded in the turning process, and finally the first door and the second door are folded and are erected on the support table of the gate pier to finish the opening of the gate. And the hydraulic power can be removed after the brake is opened, so that the safety is high. The hydraulic motor and the output shaft are in transmission connection through a heavy or multiple worm and gear mechanism to realize speed reduction and torque increase. In addition, the requirement on the space above the gate is low, various river-crossing buildings can be avoided, the influence on the peripheral landscape is reduced, and the construction cost can also be reduced. Meanwhile, the hydraulic station firstly conveys hydraulic oil to the three-way joint through the hydraulic main pipe and redistributes the hydraulic oil to the hydraulic branch pipes, and the lengths of the hydraulic branch pipes between the three-way joint and the hydraulic motors are consistent, so that the power received by the two hydraulic motors is ensured to be synchronous, the output power is also synchronous, the torsion acting on the two ends of the first door is also synchronous, the conditions of distortion and the like cannot be caused to the first door, and the running stability of the equipment is high. Wherein adopt multistage speed reduction in order to increase the output torque between hydraulic motor and the door, one of them level reduction gears adopts worm gear mechanism simultaneously, can have self-locking function when realizing slowing down, can remove power when opening to a certain extent and realize the auto-lock of door when a door. In addition, the height of a door should be less than the height of a door II, or the height of a door is as little as possible, and a door II is set according to actual requirements, and the structure can effectively reduce the output torque required by a hydraulic motor in the rotating process, and the rotating process is smoother and more stable.

A plurality of supporting blocks are arranged at the upper end of the downstream side surface of the first door. The supporting height of this supporting shoe is unanimous with the supporting height of hinge, so when No. two doors turn over to a door, its supporting shoe and hinge are located both ends respectively, and both all can keep basic horizontality when can keeping a door, No. two door framves on the gate pier, so can press the gravity between them on the gate pier totally, can not produce the power of other directions except vertical direction between a door, No. two doors.

The top surface of the gate pier is provided with a groove for laying a main hydraulic pipe and a branch hydraulic pipe. The design of this structure can ensure that hydraulic pressure house steward, hydraulic pressure divide the pipe to lay in the recess, and a door, No. two door turn over the in-process can not take place to interfere with hydraulic pressure house steward, hydraulic pressure between the branch pipe, and the stability and the security of equipment operation are high.

And a connecting shaft is fixed between the output shafts of the two hydraulic motors. The design of this structure can further promote hydraulic motor's power take off's synchronism, ensures that a door, No. two door turn over the synchronism and the stability at in-process both ends, avoids leading to the fact inconsistent torsion and damage to the both ends of a door along with the operation process is enlargied because of the small difference of hydraulic pressure in the branch pipe.

The plane where the threshold and the support threshold are located is inclined from top to bottom and upstream. According to the design of the structure, when the lock chamber is in a closed state, the first door and the second door are attached to the supporting threshold, and the lower end of the plane inclines upstream, so that the first door and the second door are obliquely arranged on the supporting threshold, and the first door and the second door can be tightly pressed on the supporting threshold and the threshold under the action of gravity, so that the water retaining performance is ensured.

The folding water gate can be opened and closed in a folding manner, the requirement on the height of opening the gate can be reduced, the gate is directly erected on a gate pier after being opened, the safety is high, the requirement on infrastructure is low, and the cost is low.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the connection of the first and second doors of the present invention;

FIG. 3 is a schematic view of the gate of the present invention in an open state;

FIG. 4 is a schematic view of the shutter in a closed state according to the present invention.

Detailed Description

To further illustrate the technical means and effects of the present invention adopted to achieve the predetermined objects, the following detailed description of the embodiments, structures, features and effects according to the present invention will be made with reference to the accompanying drawings and preferred embodiments.

Example 1:

as shown in fig. 1 and 2, the invention discloses a folding water gate, which comprises a water gate bottom plate 17 positioned at the bottom of a river channel and gate piers 2 arranged at two sides of the water gate bottom plate 17, wherein a gate chamber 1 is arranged between the two gate piers 2 and above the water gate bottom plate 17, a gate sill 18 is arranged on the water gate bottom plate 17, the gate sill 18 is connected with the two gate piers 2, a support sill 16 is formed by narrowing towards the inside of the gate chamber 1 on the gate pier 2 at the position of the gate sill 18, the gate sill 18 and the support sill 16 are positioned on the same plane, a pair of hydraulic motors 3 are arranged at the support sill at the upper ends of the two gate piers 2, output shafts 4 of the hydraulic motors 3 are oppositely arranged, the central axes of the output shafts 4 are positioned on the same horizontal line, a first door 5 and a second door 6 are also included, hinges 7 are arranged at the downstream side position of the butt joint of the first door 5 and the second door 6, the number of the hinges 7 is at least 2, the lower end of the first door 5 is connected with the upper, the two ends of the upper part of the first door 5 are respectively and fixedly connected with the output shaft 4 of the hydraulic motor 3 at the same side, a support table 15 is arranged at the top of the gate pier 2 at the side edge of the hydraulic motor 3 close to the downstream side of the gate chamber 1, and the No. 5 door and the No. 6 door are placed on the support table 15 after being folded up when the gate is opened; in a closed state, the edges of the first door 5 and the second door 6 are contacted and jointed with the supporting threshold 16 and the threshold 18; still include hydraulic pressure station 9, hydraulic pressure station 9's hydraulic pressure house steward 10 extends to the middle part of two hydraulic motor 3 to be provided with three way connection 11 at hydraulic pressure house steward 10's tip, be connected with two pairs of hydraulic pressure branch pipes 12 on three way connection 11, hydraulic pressure branch pipe 12 is connected to corresponding hydraulic motor 3, and the length of two pairs of hydraulic pressure branch pipes 12 is unanimous.

A plurality of supporting blocks 8 are provided at the upper end of the downstream side surface of the first door 5.

The top surface of the gate pier 2 is provided with a groove 14 for laying a main hydraulic pipe 10 and a branch hydraulic pipe 12. A connecting shaft 13 is fixed between the output shafts 4 of the two hydraulic motors 3.

The plane of the threshold 18 and the support sill 16 is inclined from top to bottom and upstream.

As shown in fig. 3, the chamber 1 is opened, and the first door 5 and the second door 6 are stacked on the support 15 of the pier 2. As shown in fig. 4, the state is that the lock chamber 1 is in a closed state, and the first door 5 and the second door 6 are in a state of being attached to the support sill 16 and the threshold 18, so that water blocking is realized.

The switching process of the lock chamber 1 from the closed state to the open state is as follows: 9 output power in hydraulic pressure station to two hydraulic motor 3, realize two hydraulic motor 3 synchronous rotations, rotate the in-process and drive a door 5 and rotate to the top to the 1 upper reaches side of lock chamber, at a door 5 pivoted in-process, No. two doors 6 are mentioned under the effect of hinge, when a door 5 rotates and is close 270 after-poppet and put at the brace table 15 of lock pier 2, No. two doors 6 then set up on a door 5, realize that lock chamber 1 opens, the power take off of hydraulic pressure station 9 stops.

The switching process of the lock chamber 1 from the opening state to the closing state is as follows: the hydraulic station 9 provides power to the two hydraulic motors 3, the hydraulic motors 3 rotate reversely, so that the first door 5 and the second door 6 erected on the support table 15 of the gate pier 2 are turned to the upstream side of the gate chamber 1, after the first door 5 and the second door 6 are turned by about 270 degrees, the first door 5 and the second door 6 are in a suspended state and incline from top to bottom and are attached to the support threshold 16 and the threshold 18, and the gate chamber 1 is closed.

Of course, the hydraulic motor can be replaced by a common motor, proper output power is selected, and the reduction gearbox is matched with the worm gear and the multi-stage gear for speed reduction, and has the functions of speed reduction, torque increase and self-locking.

Although the present invention has been described with reference to the preferred embodiments, it is to be understood that the invention is not limited to the disclosed embodiments, but may be embodied or carried out in various forms without departing from the spirit and scope of the invention.

Claims

1. A folding sluice gate is characterized in that: the sluice chamber is arranged between the two sluice piers and above the sluice bottom plate, the sluice bottom plate is provided with a doorsill which is connected with the two sluice piers, the sluice pier at the position of the doorsill is internally narrowed to form a supporting sill, the doorsill and the supporting sill are positioned on the same plane, the upper ends of the two sluice piers at the position of the supporting sill are provided with a pair of hydraulic motors near the sluice chamber, the output shafts of the hydraulic motors are oppositely arranged, the central axes of the output shafts are positioned on the same horizontal line, the sluice chamber further comprises a first door and a second door, the lower side surface of the butt joint of the first door and the second door is provided with a hinge, the lower end of the first door is mutually connected with the upper end of the second door through the hinge, the two ends of the upper part of the first door are respectively fixedly connected with the output shafts of the hydraulic motors at the same side, the top of the sluice pier at the side near the downstream side of the sluice chamber is provided with a supporting platform, when the gate is opened, the first door and the second door are folded and placed on the support table; under the closing state, the edges of the first door and the second door are contacted and jointed with the supporting threshold and the threshold; the hydraulic station is characterized by further comprising a hydraulic station, a hydraulic main pipe of the hydraulic station extends to the middle of the two hydraulic motors, a three-way joint is arranged at the end of the hydraulic main pipe, two pairs of hydraulic branch pipes are connected to the three-way joint, the hydraulic branch pipes are connected to the corresponding hydraulic motors, and the two pairs of hydraulic branch pipes are consistent in length.

2. The gate of claim 1, wherein: a plurality of supporting blocks are arranged at the upper end of the downstream side surface of the first door.

3. A flap gate according to claim 1 or 2, wherein: the top surface of the gate pier is provided with a groove for laying a main hydraulic pipe and a branch hydraulic pipe.

4. The gate of claim 1, wherein: and a connecting shaft is fixed between the output shafts of the two hydraulic motors.

5. The gate of claim 1, wherein: the plane where the threshold and the support threshold are located is inclined from top to bottom and from top to top.