CN211816099U - Hydraulic automatic single-plate floating gate - Google Patents

Abstract

The utility model relates to an automatic veneer gate that floats of water conservancy, including the veneer gate that is located between the double-phase adjacent gate pier and width and double-phase adjacent gate pier interval adaptation, set up on two gate piers and be located the track groove of veneer gate downstream side to and be connected with the veneer gate and the support frame that moves along the track groove, track groove tilt up, and the track groove is less than the other end near the one end of veneer gate. The utility model has the advantages of real-time and automatic control of the opening degree by the height of the upstream water level, simple structure, no need of the configuration of opening and closing facilities, no need of the operation control of a specially-assigned person, automatic regulation and control by the upstream water condition, labor and material conservation, convenient use and the like compared with the common gate, and the gate realizes the unattended operation; the opening of the gate can be accurately and timely automatically adjusted, the gate can be gradually, automatically, accurately and immediately opened and closed along with the ascending and descending of the upstream water level, the water drainage and water storage processes are completed, and the dynamic balance between the drainage flow and the water flow before the gate is maintained.

Description

Hydraulic automatic single-plate floating gate

Technical Field

The utility model relates to a hydraulic engineering's gate technical field especially involves the automatic veneer floating gate of water conservancy.

Background

The sluice is a widely used hydraulic structure, has been fully utilized in hydraulic engineering and has played a great role. Hydraulic gates are various in types and have different characteristics, but a common gate is mainly opened and closed by external power to drain water and block water for use, the lifting required by the gate is large, a special opening and closing house needs to be built, the manufacturing cost is high, and the management is complex. Some automatic gates, such as hydraulic automatic flap gates, can be automatically opened and closed by the action of water and the gravity of the gate, save energy and have flood discharge and water storage functions. However, hydraulic automatic flap gates still have a number of drawbacks: for example, the hydraulic characteristics of the hydraulic automatic flap gate are complex, so that the gate plate and the gate pier are stressed too much, which is not beneficial to the stability of the gate; the gate buttress is positioned in the middle of the downward flow, so that huge resistance is generated, the flow state is seriously disturbed, the gate can periodically flap the buttress or dam bank back and forth in the running process, and the destructiveness is very large; the opening is inflexible, and some of them can not be opened even.

Disclosure of Invention

The utility model provides an automatic single-plate floating gate of water conservancy, aiming at the deficiency of the prior art, when the gate sluices, the gate aperture can be automatically adjusted at any time along with the change of the water level of the upstream incoming water, and the water storage depth can be flexibly adjusted according to the actual need, the gate gradually opens well, and the opening and closing are more labor-saving and flexible; the utility model discloses need not external power, come water as power by the upper reaches completely, realize the automatic start-stop of gate.

The utility model discloses a through following technical scheme realizes, provide an automatic veneer gate that floats of water conservancy, including the veneer gate that is located between the double-phase adjacent gate pier and width and double-phase adjacent gate pier interval adaptation, set up on two gate pier inner walls and be located the track groove of veneer gate downstream side to and be connected with the veneer gate and follow the support frame that the track groove removed, the track groove is to downstream slope, and track groove upper reaches one end is less than low reaches one end.

When the scheme is used, the upstream side of the veneer gate is upstream water, after the upstream water quantity changes, the water level of a water source can be changed, so that the buoyancy and the lateral water pressure acting on the veneer gate can also change along with the upstream water quantity, the veneer gate can automatically move upwards or descend along the track groove under the action of the buoyancy and the lateral water pressure, and the opening and the closing of the gate can be automatically completed.

Preferably, the support frame comprises a pull rod and a connecting rod, one end of the pull rod is hinged to the single-plate gate through a hinge I, the other end of the pull rod is hinged to the single-plate gate through a hinge II, the other end of the connecting rod is hinged to the single-plate gate through a hinge III, and a roller moving along the track groove is mounted on the connecting rod. The support frame of the optimized scheme is simple in structure, the pull rod, the connecting rod and the veneer gate form a triangle, the stability of the structure is guaranteed, the support frame and the veneer gate are hinged to each other, the support frame is more convenient to install, the rollers move along the track grooves, the friction resistance when the veneer gate moves is reduced, and the veneer gate is adjusted automatically more flexibly.

Preferably, the pull rod is a telescopic rod. But this optimization scheme's pull rod sets up to telescopic link, changes the length of pull rod through the flexible of pull rod, realizes the regulation to veneer gate arrangement direction.

Preferably, the pull rod comprises a front pull rod hinged with the veneer gate, a rear pull rod hinged with the connecting rod, and a hydraulic piston device positioned between the front pull rod and the rear pull rod, wherein one end of the hydraulic piston device is connected with the front pull rod, and the other end of the hydraulic piston device is connected with the rear pull rod. The pull rod of this optimization scheme simple structure, through the flexible adjustment pull rod length of hydraulic piston device, it is convenient laborsaving to adjust, and hydraulic piston device can be single-pole pneumatic cylinder or two pole pneumatic cylinders.

As optimization, the opposite side surfaces of the two track grooves are arranged in an open mode, and the roller is located between the groove top and the groove bottom of the track groove. The track groove of the optimized scheme is provided with the side opening, the roller is limited to be separated from the groove top and the groove bottom of the track groove, and the roller is guaranteed to move along the track groove, so that the use reliability of the gate is guaranteed.

Preferably, when the gate is closed, the water stop is arranged at the gap between the gate and the gate piers and the gate bottom plate on the two sides, and the water stop is fixed on the gate piers and the gate bottom plate. The optimized scheme can effectively stop leakage, prevent water leakage and meet the requirement of water storage, thereby being convenient for use with the benefits.

And as optimization, the opposite side surfaces of the two gate piers are provided with maintenance gate slots positioned on the upstream side of the veneer gate, and the maintenance gate slots are vertically arranged. This optimization scheme can insert in the maintenance gate groove and establish the flashboard through setting up the maintenance gate groove, carries out rivers and blocks to conveniently overhaul and maintain the gate.

The utility model has the advantages that:

1. the opening degree can be controlled immediately and automatically by depending on the height change of the upstream water level, the structure is simple, external power such as electromechanical equipment is not needed for opening and closing, the operation and control of a special person are not needed, the water supply condition at the upstream is completely and automatically regulated and controlled, compared with a common gate, the gate has the characteristics of saving manpower and material resources, being convenient to use and the like, and the gate realizes unattended operation;

2. the opening of the gate can be accurately and timely automatically adjusted, the gate can be gradually, automatically, accurately and instantly opened and closed along with the ascending and descending of the upstream water level, the water drainage and storage processes are completed, and the dynamic balance between the drainage flow and the inflow flow before the gate is maintained;

3. the hydraulic automatic single-plate floating gate has a steel structure or a reinforced concrete structure, has long service life compared with a rubber dam which can store and discharge water, does not need to be provided with a special dam bag pressurizing device, does not need manual control, has low operation cost and is convenient to manage;

4. compared with a stone masonry dam, the dam solves the problems of water drainage, flood drainage, sediment accumulation and the like;

5. compared with the common horizontal shaft type hydraulic automatic turning plate, the automatic turning plate has more flexible and convenient opening, solves the contradiction that the horizontal shaft type hydraulic automatic turning plate can not be opened and closed frequently, solves the problem that the gate and the gate supporting structure are over stressed, solves the contradiction that the hydraulic automatic turning plate gate supporting structure influences the water drainage in the water flow of the water drainage, and solves the problem that the water drainage and the water storage can be organically combined.

Drawings

FIG. 1 is a schematic plan view of a hydraulic automatic single-plate floating gate;

FIG. 2 is a cross-sectional view taken along line I-I of FIG. 1;

shown in the figure:

1. the gate comprises an overhaul gate groove, 2, gate piers, 3, a veneer gate, 4, hinge pieces II, 5, a pull rod, 6, a hydraulic piston device, 7, hinge pieces I, 8, a track groove, 9, a wheel support, 10, rollers, 11, a connecting rod, 12, hinge pieces III, 13, a gate bottom plate, 14 and a water source water level.

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.

As shown in fig. 1 and 2, the hydraulic automatic single-plate floating gate comprises a gate chamber, a single-plate gate, a support frame, a track groove and a hydraulic piston device.

The gate chamber comprises a gate bottom plate and two gate piers fixed on the gate bottom plate, the gate piers are symmetrically and vertically arranged on two sides of the gate bottom plate, and the gate piers and the gate bottom plate are poured into a whole. The gate pier is a reinforced concrete structure or a stone masonry structure which are arranged symmetrically and upright on two sides, and the height of the gate pier is larger than the upstream water depth according to the upstream water depth, so that the safe operation of the gate is ensured at a certain design guarantee rate. The gate bottom plate is of a reinforced concrete structure or a grouted stone structure and is also determined according to the upstream water depth. The lock chamber is cast in place and is cast into a complete integral structure so as to increase the stability of the lock chamber.

The single-plate gate is formed by rectangular plates with certain weight; the gate is fixed on a supporting structure consisting of a pull rod and a connecting rod through a hinge. The single-plate gate can be a steel structure, a prefabricated reinforced concrete structure or other materials with certain rigidity and strength, the texture of the gate is required to be uniform, the self weight of the single-plate gate is determined according to the water storage requirement, the upstream designed water depth and the water drainage requirement, so that the single-plate gate can be freely opened and closed under the action of buoyancy and the upstream water pressure, the water storage requirement and the water drainage requirement are met, and the safety is ensured.

The single-plate gate 3 is positioned between the two adjacent gate piers 2 and on the gate bottom plate 13, the width of the single-plate gate 3 is matched with the distance between the two adjacent gate piers, and two side edges of the single-plate gate 3 are in sealing contact with the inner side surfaces of the gate piers. The opposite side surfaces of the two gate piers are provided with track grooves 8 positioned on the downstream side of the single-plate gate, the track grooves are grooves arranged on the inner sides of the gate piers on the two sides, the track grooves are inclined towards the downstream, the upstream end of the track grooves is lower than the downstream end of the track grooves, an inclined alpha included angle is formed between the track grooves and the horizontal plane, and the size of alpha is reasonably selected according to the stress analysis of the gate. The opposite side surfaces of the two track grooves are arranged in an opening mode, the roller is located between the groove top and the groove bottom of the track groove, the upper side and the lower side of the track groove are uniformly provided with tracks, the tracks are made of cast steel or alloy materials and are fixed in the track groove through anchoring structures, the roller is just clamped between the upper track and the lower track, and the roller can roll between the upper track and the lower track, so that the gate can be well fixed, the gate can only move up and down along the track groove direction, and the gate is only allowed to move up and down along the track groove direction. Therefore, when the automatic single-plate floating gate moves up and down under the action of water flow, the rollers can be driven to move up and down in the roller grooves, so that the gate can rise and fall in the inclined direction, and the purpose of opening and closing the gate can be fulfilled.

The support frame is connected with the veneer gate and moves along the track groove, and specifically, the support frame comprises a pull rod 5 and a connecting rod 11, one end of the pull rod 5 is hinged to the veneer gate 3 through a hinge I7, the other end of the pull rod 5 is hinged to the veneer gate 3 through a hinge II 4, the other end of the connecting rod 11 is hinged to the veneer gate 3 through a hinge III 12, and the pull rod and the veneer gate, the connecting rod and the veneer gate and the pull rod and the connecting rod can rotate mutually through the hinge. The connecting rod is provided with a roller 10 moving along the track groove, and in order to facilitate the installation of the roller, a roller support 9 is fixed below the connecting rod, the roller is fixed below the roller support, so that the roller is fixed below the connecting rod through the roller support, and the roller is arranged in the track groove. The roller is made of cast steel or alloy material and is subjected to rust prevention treatment; the single-plate gate is fixed on the track through the rollers so as to facilitate the gate to roll on the track.

The pull rod 5 is a telescopic rod, specifically, the pull rod 5 comprises a front pull rod hinged with the veneer gate, a rear pull rod hinged with the connecting rod, and a hydraulic piston device 6 positioned between the front pull rod and the rear pull rod, wherein one end of the hydraulic piston device 6 is connected with the front pull rod, and the other end of the hydraulic piston device is connected with the rear pull rod. The hydraulic piston device adopts a single-rod hydraulic cylinder or a double-rod hydraulic cylinder in the prior art, and the length of the pull rod is adjusted through the extension or retraction of the hydraulic rod, so that the inclination angle of the gate is adjusted, and the water storage depth and the water storage amount are adjusted.

When the gate is closed, the water stop is arranged at the gap between the gate and the gate piers 2 and the gate bottom plate 13 at the two sides, and the water stop is fixed on the gate piers and the gate bottom plate, so that the leakage can be effectively stopped, the water leakage phenomenon is prevented, the requirement of water storage is met, and the use is convenient.

And the opposite side surfaces of the two gate piers are provided with maintenance gate slots 1 positioned on the upstream side of the veneer gate, and the maintenance gate slots 1 are vertically arranged so as to facilitate the maintenance of the working gate.

When the utility model works, after the upstream water quantity changes, the water level of the water source can be changed, so that the buoyancy and the lateral water pressure acting on the gate can be changed, the gate can automatically move up or down along the track under the action of the buoyancy and the lateral water pressure, and the opening and closing of the gate can be automatically completed;

when the upstream water level is lower than a certain water level, the self weight of the gate is greater than the sum of the buoyancy of upstream water and the lateral water pressure borne by the gate, and the gate is in a closed state;

when the upstream water volume is increased and the water level in front of the gate, namely the upstream side of the single-plate gate, is increased to a certain height, the buoyancy and the lateral water pressure of the upstream water acting on the gate are also increased; when the component force of the resultant force of the two forces in the track direction is greater than the component force of the dead weight of the gate in the track direction and the friction force between the roller and the track, the gate moves upwards along the track direction, the gate is automatically opened, water flow can be discharged to the downstream from an orifice between the gate and the gate bottom plate, and the water discharge task is automatically completed; at the moment, under the action of the buoyancy of water and the lateral water pressure, the gate floats on the track and is in a balanced state, and the top of the gate is always kept constant with a certain height difference between the top of the gate and the water level;

if the upstream water flow maintains a certain amount and does not change, the water level of an upstream water source is unchanged, the position of the gate is unchanged, the downward discharge flow of the gate is unchanged and is equal to the upstream water flow, so that the front water level of the gate is kept stable, the gate is always in a balanced state, and the opening degree of the gate is kept unchanged;

if the upstream water quantity is further increased, the front water level of the gate is further increased, and under the buoyancy action and the lateral water pressure action of the upstream water, the gate can be further automatically increased along the track, so that the downward discharge quantity is further increased, and if the upstream water quantity is increased to a certain quantity and is not changed any more, the front water level of the gate is kept stable, and the downward discharge quantity of the gate is equal to the upstream water quantity, so that the gate is in a balanced state, and the opening degree of the gate is kept stable.

When the upstream water amount is reduced, the front water level of the gate is lowered along with the upstream water amount, so that the buoyancy borne by the gate is reduced, the roller rolls under the self-weight action of the gate, the gate moves downwards along with the roller, the gate automatically moves towards the closing direction, the opening degree of the gate is automatically reduced, and the downward discharge flow is reduced;

if the upstream water quantity is reduced to a certain value and is not changed, the front water level of the gate is kept stable, the downward discharge flow of the gate is equal to the upstream water quantity and is kept unchanged, the gate is in a balanced state again, and the opening degree of the gate is kept stable;

when the upstream water amount is further reduced, the water level is further reduced, so that the gate further automatically moves towards the closing direction, the opening degree of the gate is further automatically reduced, and the downward discharge flow is further reduced; when the upstream water quantity is reduced to a certain degree and the water level in front of the gate is reduced to a certain height, the gate is automatically closed under the action of self weight to keep a water storage state. If the upstream water inflow is increased, the gate can be automatically opened, the excessive water is drained, and if the water inflow is reduced, the gate can be automatically closed, and the process is repeated and circulated.

When the gate is closed, because the water stop is arranged between the gate piers at the two sides and the gate bottom plate, the leakage can be effectively stopped, the water leakage phenomenon is prevented, the requirement of water storage is met, and the use is facilitated.

In addition, if want retaining water level before the regulation floodgate to change the retaining degree of depth, thereby it is how much to adjust the retaining volume, the length of pull rod is adjusted to the accessible piston, with the inclination of adjusting the gate, makes the gate obtain adjusting at track direction's component, simultaneously, has also adjusted buoyancy and the side direction water pressure that the gate received, and then can realize the regulation to the retaining volume, this also is the utility model discloses an innovation part.

Can hold the rubber dam of water and sluicing among the prior art, rubber is ageing fast, and life is short, just needs to be changed 5~7 years, and need dispose special charging device, and the flood control more needs special person on duty, and the running cost is high, and the management is inconvenient. The utility model discloses an automatic veneer floating gate of water conservancy's work is adjusted and control immediately automatically by the height of upper reaches water level completely. Along with the change of the upstream water volume, the gate is automatically opened and closed to automatically meet the requirements of water drainage and water storage, so that the unattended operation mode of the gate is realized, and the gate is convenient to popularize and apply in practice. The gate is unique in design, and has better advantages in principle, technology, service performance and the like.

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 (6)

1. A hydraulic automatic single-plate floating gate is characterized in that: the gate structure comprises a single plate gate (3) which is located between two adjacent gate piers (2) and has width matched with the distance between the two adjacent gate piers, a track groove (8) which is formed in the inner walls of the two gate piers and located on the downstream side of the single plate gate, and a support frame which is connected with the single plate gate and moves along the track groove, wherein the track groove inclines towards the downstream, and one end of the upstream of the track groove is lower than one end of the downstream.

2. The hydraulic automatic veneer floating gate according to claim 1, characterized in that: the support frame comprises a pull rod (5) and a connecting rod (11), one end of the pull rod (5) is hinged to the single-plate gate (3) through a hinge I (7), the other end of the pull rod (5) is hinged to the single-plate gate (3) through a hinge II (4), the other end of the connecting rod (11) is hinged to the single-plate gate (3) through a hinge III (12), and a roller (10) moving along the track groove is mounted on the connecting rod.

3. The hydraulic automatic veneer floating gate according to claim 2, characterized in that: the pull rod (5) is a telescopic rod.

4. The hydraulic automatic veneer floating gate according to claim 3, characterized in that: the pull rod (5) comprises a front pull rod hinged with the veneer gate, a rear pull rod hinged with the connecting rod and a hydraulic piston device (6) positioned between the front pull rod and the rear pull rod, wherein one end of the hydraulic piston device (6) is connected with the front pull rod, and the other end of the hydraulic piston device is connected with the rear pull rod.

5. The hydraulic automatic veneer floating gate according to claim 2, characterized in that: the opposite side surfaces of the two track grooves are arranged in an open mode, and the roller is located between the groove top and the groove bottom of the track groove.

6. The hydraulic automatic veneer floating gate according to claim 1, characterized in that: when the gate is closed, water stopping is arranged at the gap between the gate and the gate piers (2) and the gate bottom plate (13) on the two sides, and the water stopping is fixed on the gate piers and the gate bottom plate.

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