CN212175707U - Double-blade same-direction double-opening hydraulic self-control gate - Google Patents

Abstract

The utility model relates to a double-leaf equidirectional double-opening hydraulic self-control gate, which comprises a gate I which is rotationally connected between two adjacent gate piers through a vertically arranged gate shaft I; a floating body chamber, a water inlet pipe for communicating the floating body chamber with the upstream of the gate pier and a water drain pipe for communicating the floating body chamber with the downstream of the gate pier are arranged in the gate pier between the two gates, a water inlet valve is arranged at the water inlet end of the water inlet pipe, and a water drain valve is arranged at the water outlet end of the water drain pipe; the floating body chamber is internally provided with a floating body which drives the gate I to rotate through a first transmission system. The utility model takes the water source at the upper part of the gate as power, controls the water level in the floating body chamber to rise and fall through the water inlet valve and the water drain valve so as to control the rising and falling of the floating body, thereby realizing the opening and closing of the gate; the gate shaft is arranged in the middle of the gate, so that the flashboards on two sides of the gate shaft are stressed evenly, and the control force for opening and closing the gate is greatly reduced; the gate uses upstream water source as power, thus saving various special facilities such as a hoist and the like and reducing the cost.

Description

Double-blade same-direction double-opening hydraulic self-control gate

Technical Field

The utility model relates to a sluice technical field especially involves a bilobally equidirectional two water conservancy automatic control gates.

Background

Water gates have been widely used in practice as a kind of hydraulic structure. However, the opening and closing of the gate is mainly controlled by external power, such as various winches, screw-type opening and closing machines and the like, generally, the gate is mainly opened and closed vertically, and the friction force between the gate and the gate slot is large due to the effect of water flow pressure of the gate, and meanwhile, the weight of the gate is large, so that the required lifting force is large; in addition, a special opening and closing room needs to be built, the structure is complex, the manufacturing cost is high, the operation and maintenance are complex, and the application is inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to prior art's current situation, a bilobally equidirectional two water conservancy automatic control gates is provided for the gate is at the during operation, and usable gate upper reaches water source has realized the automatic control of gate as power, need not to form a complete set again facilities such as electricity, engine and various headstock gears, makes things convenient for field work more.

The utility model is realized by the following technical proposal, provides a double-leaf equidirectional double-opening hydraulic self-control gate, which comprises a gate I which is rotationally connected between two adjacent gate piers through a vertically arranged gate shaft I; the gate pier is internally provided with a floating body chamber, a water inlet pipe for communicating the floating body chamber with the upstream of the gate pier and a water drain pipe for communicating the floating body chamber with the downstream of the gate pier, the water inlet end of the water inlet pipe is provided with a water inlet valve, and the water outlet end of the water drain pipe is provided with a water drain valve; the floating body chamber is internally provided with a floating body which drives the gate I to rotate through a first transmission system.

According to the scheme, a gate I rotating around a vertical gate shaft I is arranged, a water drain valve is closed, when a water inlet valve is opened, upstream water flow of the gate is introduced into a floating body chamber, so that the water level of the floating body chamber rises, a floating body gradually rises under the buoyancy of water, at the moment, the floating body drives the gate I to rotate through a first transmission system, the gate I is opened, when the opening degree of the gate I is increased to a required opening degree, the water inlet valve is closed, so that the water level in the floating body chamber is kept unchanged, and the gate I can keep a certain opening degree unchanged; when the water inlet valve is closed, water in the floating body chamber is led out of the floating body chamber through the water drain pipe when the water drain valve is opened, the water level of the floating body chamber is lowered, the buoyancy force borne by the floating body is lowered, the floating body is gradually lowered under the action of the self gravity of the floating body, the first transmission system drives the first gate to rotate in the opposite direction when the floating body is lowered, the first gate is gradually closed, the opening degree of the first gate is gradually reduced along with the lowering of the water level in the floating body chamber and the lowering of the floating body until the water level is lowered to a certain height and the floating body is lowered to a certain position, the opening degree of the first gate is reduced to zero, at.

As optimization, the first transmission system comprises a second pulley arranged on the door shaft I, a sixth pulley positioned below the floating body, a fifth pulley positioned above the floating body, a fourth pulley positioned on the side of the fifth pulley close to the gate I, and a first pulley and a third pulley positioned on the side of the fourth pulley close to the gate I, wherein wheel shafts of the first pulley and the third pulley are vertically arranged, and wheel shafts of the sixth pulley, the fifth pulley and the fourth pulley are transversely arranged; the first pull rope is connected with the floating body after one end of the first pull rope is connected with the floating body and the other end of the first pull rope sequentially rounds the sixth pulley, the fourth pulley, the third pulley, the second pulley, the first pulley and the fifth pulley. Each pulley of this optimization scheme all can install on the gate pier of seting up the body room, utilizes the first stay cord transmission power of tensioning, when the body moves up and down, utilizes the frictional force of first stay cord and second pulley to drive I rotations of door-hinge to realize that the rotation of gate I is opened and is closed.

Preferably, the rope pulling device further comprises a seventh pulley which is located below the fourth pulley and on one side, close to the fourth pulley, of the sixth pulley, and the first pulling rope sequentially passes around the sixth pulley, the seventh pulley and the fourth pulley. This optimization scheme makes first stay cord to the cornerite increase of sixth pulley through setting up the seventh pulley, has reduced the frictional force of first stay cord with the sixth pulley, has also effectively avoided the body to interfere with first stay cord simultaneously.

And preferably, a gate II is further arranged on the other side of the gate pier provided with the floating body chamber, the gate II is rotatably connected between every two adjacent gate piers through a vertically arranged gate shaft II, and the floating body drives the gate II to rotate through a second transmission system when moving up and down. This optimization scheme sets up three gate pier, all sets up the gate between adjacent two gate piers to drive two gate rotations simultaneously through the body.

Preferably, the second transmission system comprises an eighth pulley arranged on the door shaft II, a sixth pulley positioned below the floating body, a fifth pulley positioned above the floating body, a fourth pulley positioned on the side of the fifth pulley close to the gate I, a ninth pulley and a tenth pulley positioned on the side of the fourth pulley close to the gate II, wherein wheel shafts of the ninth pulley and the tenth pulley are vertically arranged, and wheel shafts of the sixth pulley, the fifth pulley and the fourth pulley are transversely arranged; and the other end of the second pull rope sequentially rounds the sixth pulley, the fourth pulley, the tenth pulley, the eighth pulley, the ninth pulley and the fifth pulley and then is connected with the floating body. Each pulley of this optimization scheme all can install on the gate pier of seting up the body room, utilizes the second stay cord transmission power of tensioning, when the body moves up and down, utilizes the frictional force of second stay cord and eighth pulley to drive II rotations of door-hinge to realize that the rotation of gate II is opened and is closed.

Preferably, the door shaft I is located in the middle of the width direction of the gate I. In the closing process of the gate, as the gate shaft I is arranged in the middle of the gate I, the water pressure acting on the gate I is distributed on two sides of the gate shaft, and the water pressure is basically consistent in size, so that the force required for opening the gate I is small.

As optimization, the gate pier further comprises a support fixed on the gate pier, the support comprises a cross beam and an inclined rod, the cross beam is rotatably connected with the gate shaft I through a bearing, the inclined rod is connected with the cross beam, and the lower end of the inclined rod is connected with the top of the gate pier. When the installation, I lower extreme accessible bearing of door-hinge is installed on the floodgate bottom plate, and this optimization scheme provides convenience for the installation of I upper end of door-hinge through setting up the support, and the down tube is fixed at the gate pier top, and both easy to assemble is fixed, has also guaranteed sufficient structural strength.

The water drainage device is characterized by further comprising a connecting rod II connected with the water inlet valve and a connecting rod I connected with the water drainage valve, wherein the connecting rod I and the connecting rod II extend upwards to the top of the gate pier. This optimization scheme is through setting up connecting rod I and connecting rod II for the staff can be through the opening and close of connecting rod I control valve that drains on the gate pier, through the opening and closing of connecting rod II control water intaking valve, has improved the convenience of operation greatly, has avoided drowning danger under the dive.

Preferably, the upstream end and the downstream end of the gate pier are both outwardly arched. The setting of this optimization scheme has reduced the water flow resistance, makes the body room intake and go out water more smooth-going.

The utility model has the advantages that:

1. the water source at the upper part of the gate is used as power, the water level in the floating body chamber is controlled to rise and fall through the water inlet valve and the water drain valve so as to control the rising and falling of the floating body, and therefore the opening and closing of the gate are realized;

2. the gate adopts a double-leaf arrangement form, and the gate shaft is arranged in the middle of the gate, so that the force of the gate plates on two sides of the gate shaft is balanced, and the control force for opening and closing the gate is greatly reduced;

3. the gate adopts upstream water source as power, saves various special facilities such as a hoist required by the opening and closing of the gate and a hoist room matched with the hoist, reduces investment and maintenance cost, and is more suitable for field operation.

Drawings

FIG. 1 is a top view of the present invention;

FIG. 2 is a view from I-I of FIG. 1;

FIG. 3 is a schematic view of a stent structure;

shown in the figure:

1-service gate groove, 2-axle of first pulley, 3-first pulley, 4-bracket I, 5-first bearing, 6-door axle I, 7-second pulley, 8-axle of third pulley, 9-third pulley, 10-gate I, 11-fourth pulley, 12-axle of fourth pulley, 13-first pull rope, 14-fifth pulley, 15-axle of fifth pulley, 16-float, 17-float chamber, 18-middle pier, 19-gate bottom plate, 20-sixth pulley, 21-seventh pulley, 22-second bearing, 23-gate II, 24-eighth pulley, 25-ninth pulley, 26-tenth pulley, 27-second pull rope, 28-left pier, 29-right pier, 30-drain valve handle, 31-fixing piece I, 32-connecting rod I, 33-drain pipe, 34-drain valve, 35-water inlet valve, 36-water inlet pipe, 37-connecting rod II, 38-fixing piece II, 39-water inlet valve handle, 40-door shaft II, 41-third bearing, 42-fourth bearing and 43-support II.

Detailed Description

In order to clearly illustrate the technical features of the present solution, the present solution is explained below by way of specific embodiments.

Set up three gate pier in the lock chamber, three gate pier is left side mound 28, well mound 18 and right side mound 29 along rivers width direction in proper order, sets up gate I between left side mound and the well mound, sets up gate II 23 between well mound and the right mound, and the gate pier bottom is provided with gate bottom plate 19, and the gate pier top is equipped with the support that is fixed in on the gate pier.

Support I4 is set up at the top of left pier and middle pier, and support II 43 is set up at the top of right pier and middle pier. Wherein support I includes the crossbeam of being connected through bearing and I rotation of door-hinge to and with crossbeam fixed connection's down tube, the centre of crossbeam is provided with the drill way that is used for fixing bearing, the lower extreme and the gate pier top fixed connection of down tube. The structure of the bracket II 43 is the same as that of the bracket I4, and the two inclined rods of the bracket II 43 are fixedly connected to the tops of the middle pier and the right side pier respectively.

Specifically, two leaf syntropy two water conservancy automatic control gates include that I of door-hinge through vertical setting rotate the gate I10 of connection between the pier on the left and well pier, and I10 of gate is the rectangle, the width of gate I and the interval adaptation of pier to well pier on the left, I6 rigid couplings of door-hinge in the intermediate position of I width direction of gate, and the upper end of door-hinge I is passed through second bearing 22 and is installed on the crossbeam of support, and the lower extreme of door-hinge I is installed on gate bottom plate 19 through first bearing 5.

A floating body chamber 17, a water inlet pipe 36 for communicating the floating body chamber with the upstream of the gate pier and a water discharge pipe 33 for communicating the floating body chamber with the downstream of the gate pier are arranged in the middle pier, a water inlet valve 35 is arranged at the water inlet end of the water inlet pipe, and a water discharge valve 34 is arranged at the water outlet end of the water discharge pipe; a floating body 16 which drives the gate I to rotate through a first transmission system is arranged in the floating body chamber, and the length and the width of the floating body are smaller than the plane size of the floating body chamber so as to facilitate the floating body to freely lift in the floating body chamber. The floating body chamber is a cavity for arranging a floating body, the height of the floating body chamber can be determined by the water level amplitude required by opening and closing the gate, and an opening at the upper part of the floating body chamber is distributed; the sixth pulley and the seventh pulley are installed in the floating body chamber.

The first transmission system comprises a second pulley 7 installed on a door shaft I, a sixth pulley 20 located below the floating body, a fifth pulley 14 located above the floating body, a fourth pulley 11 located on the side, close to the gate I10, of the fifth pulley, and a first pulley 3 and a third pulley 9 located on the side, close to the gate I, of the fourth pulley, wherein a wheel shaft 2 of the first pulley and a wheel shaft 8 of the third pulley are vertically arranged, and a wheel shaft 12 of the fourth pulley, a wheel shaft 15 of the fifth pulley and a wheel shaft of the sixth pulley are transversely arranged. The first transmission system also comprises a first pull rope 13, one end of the first pull rope is connected with the floating body, the other end of the first pull rope sequentially rounds a sixth pulley 20, a fourth pulley 11, a third pulley 9, a second pulley 7, a first pulley 3 and a fifth pulley 14 and then is connected with the floating body, and the pulleys are all installed on a gate pier provided with a floating body chamber and can rotate along with the movement of the first pull rope. The first transmission system of this embodiment further includes a seventh pulley 21 located below the fourth pulley 11 and on a side of the sixth pulley 20 close to the fourth pulley, and the first rope sequentially passes around the sixth pulley 20, the seventh pulley, and the fourth pulley.

The upper end and the lower end of the gate pier are both in an outward arched arc shape, a fixing piece I is fixedly arranged at the lower end of the gate pier, a connecting rod I32 penetrates through the fixing piece I, the lower end of the connecting rod I32 is connected with a water drain valve 34, the upper end of the connecting rod I32 extends upwards to the top of the gate pier, and a water drain valve handle 30 is arranged at the upper end of the connecting rod I32; the upper end of the gate pier is fixedly provided with a fixing piece II, a connecting rod II 37 penetrates through the fixing piece II, the lower end of the connecting rod II 37 is connected with a water inlet valve 35, the upper end of the connecting rod II 37 extends upwards to the top of the gate pier, and the upper end of the connecting rod II 37 is provided with a water inlet valve handle 39. Specifically, the inlet of the water inlet pipe is connected with a water inlet valve, the water outlet of the water inlet pipe is arranged in the floating body chamber, the water inlet valve and the water inlet pipe are arranged in the middle of the gate pier in the plane position, and the water inlet valve and the water inlet pipe are arranged in the position close to the gate bottom plate in the vertical surface position. The water drain valve is connected with the water drain pipe, the inlet of the water drain pipe is arranged in the floating body chamber, the outlet of the water drain pipe is connected with the water drain valve, the water drain pipe and the water drain valve are arranged in the middle of the gate pier in the plane position, and the water drain pipe and the water drain valve are arranged in the position close to the gate bottom plate in the vertical position.

The two-leaf equidirectional double-opening hydraulic self-control gate of the embodiment further comprises a gate II 23, the gate II 23 is rectangular, the gate II 23 is rotatably connected between the middle pier and the right pier through a vertically arranged gate shaft II 40, and the floating body drives the gate II to rotate through a second transmission system when moving up and down. The width of the gate II is matched with the distance from the middle pier to the right pier, the gate shaft II 40 is fixedly connected to the middle position of the gate in the width direction and is located in the middle of the gate chamber, namely the middle of the middle pier and the right pier, the upper end of the gate shaft II is mounted on a cross beam of the support II through a third bearing 41, and the lower end of the gate shaft II is mounted on the gate bottom plate 19 through a fourth bearing 42. The gate I and the gate II can rotate around the gate shaft I and the gate shaft II respectively to open or close the gate.

Specifically, the second transmission system comprises an eighth pulley 24 arranged on the door shaft II, a sixth pulley 20 positioned below the floating body, a fifth pulley 14 positioned above the floating body, a fourth pulley 11 positioned on the side of the fifth pulley close to the gate I, a ninth pulley 25 and a tenth pulley 26 positioned on the side of the fourth pulley close to the gate II, wherein the wheel shafts of the ninth pulley 25 and the tenth pulley 26 are vertically arranged, and the wheel shafts of the sixth pulley, the fifth pulley and the fourth pulley are transversely arranged; the ninth pulley 25, the tenth pulley, the eighth pulley, the third pulley 9, the second pulley 7 and the first pulley are located at the same height. The embodiment also comprises a second pull rope 27, one end of which is connected with the floating body, and the other end of which is connected with the floating body after sequentially passing around the sixth pulley 20, the seventh pulley 21, the fourth pulley 11, the tenth pulley 26, the eighth pulley 24, the ninth pulley 25 and the fifth pulley 14. One ends of the second rope and the first rope are tied to the same point right above the floating body, and the other ends of the second rope and the first rope are tied to the same point right below the floating body.

This embodiment is provided with maintenance gate groove 1 on the end lateral wall of intaking of left side mound, right mound and well mound to cut off when being used for the gate to overhaul, both sides mound and well mound crest elevation equal, a little more than gate crest elevation.

In actual manufacturing, the gate can be a rectangular double-layer plane steel gate, a supporting partition plate which is intersected vertically and horizontally is arranged in the gate, and the gate is fixed on a gate bottom plate and a support beam through a bearing; the floating body is a square body welded by steel plates, and the structure is required to be symmetrical so as to balance stress; the pulleys can be purchased from the market, the second pulley and the eighth pulley are respectively fixed on the door shaft I and the door shaft II, and the rest pulleys are respectively fixed on the gate pier by the pulley shafts thereof; the pull rope is a steel rope which has enough strength and can not have elasticity, and the steel rope is wound on the pulley, so that proper tightness is ensured, and the sliding between the steel rope and the pulley is prevented; the bracket is made of steel by welding or adopts a reinforced concrete structure, so that the sufficient strength and rigidity of the bracket are ensured, and the bracket cannot deform in the working process; the lock chamber is made of reinforced concrete. The utility model discloses a gate design is unique, no matter in principle, technically, still aspects such as performance, compare with prior art and all produced the leap of matter.

The utility model discloses method for using of bilobalt syntropy two water conservancy automatic control gates, including following aspect:

three gate piers are arranged in the gate chamber: when the gate needs to be opened, the water drain valve is closed, the water inlet valve is opened, water flow upstream of the gate is introduced into the floating body chamber through the water inlet pipe, the water level of the floating body chamber rises, the floating body gradually rises under the buoyancy action of water, when the floating body moves upwards, the gate I is driven to rotate anticlockwise through the first pull rope, the gate II is driven to rotate anticlockwise through the second pull rope, the gate I and the gate II are gradually opened, the opening degree of the gate I and the gate II is gradually increased along with the rise of the water level in the floating body chamber and the rise of the floating body, when the opening degree of the gate I and the gate II is increased to the required opening degree, the water inlet valve is closed, the water level in the floating body chamber is kept unchanged, and the two gates can keep a certain opening degree unchanged; if the opening is increased again, the water inlet valve can be opened again to introduce water into the floating body chamber, so that the water level in the floating body chamber is further increased, and the opening can be further increased when the floating body rises until the operation requirement is met; in the opening process of the gate, as the gate shaft is arranged in the middle of the gate, the water pressure acting on the gate is distributed on two sides of the shaft, and the water pressure is basically consistent in size, so that the force required for opening the gate is smaller; meanwhile, the two gates are synchronously opened, the sum of the water pressure on each two gates is strong, the two gates act on the floating body through the pull rope, but the two forces are opposite in direction and can be exactly offset, so that the control force for opening the gates is reduced as much as possible, the opening and closing of the gates are more easily controlled, the volume and the weight of the floating body can be reduced, the investment is reduced, the gates are convenient to control during working, and the gates always work in a stress balance state, so that the structure is safer and more stable; when the gate needs to be closed, the water inlet valve is closed, the water drain valve is opened, water in the floating body chamber is led out of the floating body chamber through the water drain pipe, the water level of the floating body chamber is enabled to descend, the floating body descends gradually under the action of self gravity, when the floating body descends, the first pull rope drives the gate I to rotate clockwise, the second pull rope drives the gate II to rotate clockwise, and the gate I and the gate II are enabled to be closed gradually. The opening degree of the gate I and the gate II is gradually reduced along with the reduction of the water level in the floating body chamber and the reduction of the floating body until the water level is reduced to a certain height, the opening degree of the floating body is reduced to zero when the floating body is reduced to a certain position, at the moment, the water drain valve is closed, and the gate is kept closed; because the gate I and the gate II keep synchronous rotation and have the same opening degree, in the closing process of the gate, because the gate shaft is arranged in the middle of the gate, the water pressure acting on the gate is distributed on two sides of the shaft, and the water pressure is basically consistent in size, so that the force required for opening the gate is smaller; meanwhile, the two gates are kept to be synchronously closed, the sum of the water pressure on the respective gates is strong, the two gates act on the floating body through the pull rope, but the two water pressure directions are opposite and can be exactly offset, so that the control force for opening the gates is reduced as much as possible, the opening and closing of the gates are more easily controlled, the volume and the weight of the floating body can be reduced, the investment is reduced, the gates are convenient to control during working, the gates always work in a stress balance state, and the structure is safer and more stable.

When the work needs to be carried out again later, the operation can be repeated according to the steps.

Of course, the above description is not limited to the above examples, and technical features of the present invention that are not described in the present application may be implemented by or using the prior art, and are not described herein again; the above embodiments and drawings are only used for illustrating the technical solutions of the present invention and are not intended to limit the present invention, and the present invention has been described in detail with reference to the preferred embodiments, and those skilled in the art should understand that changes, modifications, additions or substitutions made by those skilled in the art within the spirit of the present invention should also belong to the protection scope of the claims of the present invention.

Claims (9)

1. The utility model provides a bilobally syntropy two water conservancy automatic control gates which characterized in that: comprises a gate I (10) which is rotatably connected between two adjacent gate piers through a vertically arranged gate shaft I (6);

a floating body chamber (17), a water inlet pipe (36) for communicating the floating body chamber with the upstream of the gate pier and a water drain pipe (33) for communicating the floating body chamber with the downstream of the gate pier are arranged in the gate pier, a water inlet valve (35) is arranged at the water inlet end of the water inlet pipe, and a water drain valve (34) is arranged at the water outlet end of the water drain pipe; and a floating body (16) which drives the gate I to rotate through a first transmission system is arranged in the floating body chamber.

2. The double-blade equidirectional double-opening hydraulic self-control gate as claimed in claim 1, wherein: the first transmission system comprises a second pulley (7) arranged on the door shaft I, a sixth pulley (20) positioned below the floating body, a fifth pulley (14) positioned above the floating body, a fourth pulley (11) positioned on the side of the fifth pulley close to the gate I (10), a first pulley (3) and a third pulley (9) positioned on the side of the fourth pulley close to the gate I, wheel shafts of the first pulley (3) and the third pulley (9) are vertically arranged, and wheel shafts of the sixth pulley, the fifth pulley and the fourth pulley are transversely arranged;

the floating body is characterized by further comprising a first pull rope (13) of which one end is connected with the floating body and the other end is connected with the floating body after sequentially winding around a sixth pulley (20), a fourth pulley (11), a third pulley (9), a second pulley (7), a first pulley (3) and a fifth pulley (14).

3. The double-blade equidirectional double-opening hydraulic self-control gate as claimed in claim 2, wherein: the rope pulling device is characterized by further comprising a seventh pulley (21) which is located below the fourth pulley (11) and located on one side, close to the fourth pulley, of the sixth pulley (20), and the first pulling rope sequentially winds around the sixth pulley (20), the seventh pulley (21) and the fourth pulley (11).

4. The double-blade equidirectional double-opening hydraulic self-control gate as claimed in claim 1, wherein: the other side of the gate pier provided with the floating body chamber is also provided with a gate II (23), the gate II (23) is rotatably connected between two adjacent gate piers through a vertically arranged gate shaft II (40), and the floating body drives the gate II to rotate through a second transmission system when moving up and down.

5. The double-blade equidirectional double-opening hydraulic self-control gate as claimed in claim 4, wherein: the second transmission system comprises an eighth pulley (24) arranged on the door shaft II, a sixth pulley (20) positioned below the floating body, a fifth pulley (14) positioned above the floating body, a fourth pulley (11) positioned on the side of the fifth pulley close to the gate I, a ninth pulley (25) and a tenth pulley (26) positioned on the side of the fourth pulley close to the gate II, wheel shafts of the ninth pulley (25) and the tenth pulley (26) are vertically arranged, and wheel shafts of the sixth pulley, the fifth pulley and the fourth pulley are transversely arranged;

and the other end of the second pull rope (27) is connected with the floating body after sequentially winding around the sixth pulley (20), the fourth pulley (11), the tenth pulley (26), the eighth pulley (24), the ninth pulley (25) and the fifth pulley (14).

6. The double-blade equidirectional double-opening hydraulic self-control gate as claimed in claim 1, wherein: the door shaft I is located in the middle of the width direction of the gate I.

7. The double-blade equidirectional double-opening hydraulic self-control gate as claimed in claim 1, wherein: the gate pier is characterized by further comprising a support fixed on the gate pier, the support comprises a cross beam and an inclined rod, the cross beam is rotatably connected with the gate shaft I through a bearing, the inclined rod is connected with the cross beam, and the lower end of the inclined rod is connected with the top of the gate pier.

8. The double-blade equidirectional double-opening hydraulic self-control gate as claimed in claim 1, wherein: the gate pier is characterized by further comprising a connecting rod II (37) connected with the water inlet valve (35) and a connecting rod I (32) connected with the water drain valve (34), wherein the connecting rod I and the connecting rod II extend upwards to the top of the gate pier.

9. The double-blade equidirectional double-opening hydraulic self-control gate as claimed in claim 1, wherein: the upstream end and the downstream end of the gate pier are both arc-shaped and are arched outwards.

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