CN221320850U - Hydraulic engineering flood prevention gate - Google Patents

Abstract

The utility model relates to a hydraulic engineering flood prevention gate, which comprises a base, wherein a water through hole is formed in the bottom of the left end of the base, an opening and closing mechanism and a protection mechanism are respectively arranged on the right side of the top end and the left side of the top end of the base, the opening and closing mechanism comprises two groups of supporting seats, a rotating rod, a swinging bracket, a top plate, a guide plate, a gate, a first oil cylinder and a second oil cylinder, the opening and closing mechanism is designed, when the hydraulic engineering flood prevention gate is used, when the gate is opened, because the water flow impact is smaller at the moment, the first oil cylinder can be directly operated to retract to drive the gate to rise until the water through hole is opened, and when the water flow impact is larger and the gate needs to be closed, the second oil cylinder can be firstly operated to retract to drive the swinging bracket to swing clockwise, so that the lifted gate is driven to swing clockwise along with the swinging bracket synchronously until the gate swings to a position flush with a conical surface at the left end of a slide way, and then the first oil cylinder can be operated to output to drive the gate to slide leftwards and downwards.

Description

Hydraulic engineering flood prevention gate

Technical Field

The utility model relates to the technical field of hydraulic engineering, in particular to a hydraulic engineering flood prevention gate.

Background

In the hydraulic engineering construction process, often can install flood prevention gate in the important working position to effectual interception rivers, control low reaches water level prevent and alleviate flood disasters. When the existing flood control gate is used, such as a river flood control gate with a 'patent number', the utility model adopts the lifting screw rod to control the lifting of the flood control gate, and is provided with the flexible interception rope and other parts to intercept sundries such as stumps in water, so that the gate is prevented from being damaged due to additional direct flushing, and the service life of the gate is prolonged. In the use process of the existing flood prevention gate, the fact that the existing gate is closed again after flood conditions occurs is found that the direct impact force born by the gate is relatively large, so that huge friction force between the gate and a chute needs to be overcome in the descending process of the gate.

Disclosure of utility model

Aiming at the problems in the prior art, the utility model provides a hydraulic engineering flood prevention gate to solve the technical problems that the gate is easy to close due to large water flow impact force and is difficult to close and the interception effect of a flexible interception rope is poor in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a hydraulic engineering flood prevention gate, includes the base, the left end bottom of base is provided with the limbers, the top right side and the top left side of base are provided with closing mechanism and protection machanism respectively, closing mechanism includes two sets of supporting seats, dwang, swing support, roof, deflector, gate, first hydro-cylinder and second hydro-cylinder, the front and back both sides on base top are installed respectively to two sets of supporting seats, the front and back both ends of dwang are connected with the inner rotation of two sets of supporting seats respectively, swing support's front end bottom is provided with the trepanning, the middle part outer end and the trepanning of dwang are connected, the roof is installed at swing support's left end top, the deflector is installed in swing support's left end bottom, the top middle part of roof is provided with the slide hole, the top middle part of roof and the output of first hydro-cylinder pass the slide hole and gate are connected, the left and right sides both ends and the inside left end sliding connection of deflector and swing support of second hydro-cylinder respectively with the top right side and swing support's top of base, slide and slide are provided with the slide.

Preferably, the protection machanism includes protection network, third hydro-cylinder and protection awl, and the right-hand member top of protection network is articulated with the top left side of base, and both ends are articulated with the right-hand member top of protection network and the top left side of base respectively about the third hydro-cylinder, and the left end at the gate is installed to the protection awl, and the setting of protection machanism can be more convenient high-efficient blocks big debris such as stump in the aquatic to ensure the daily normal use of gate, also can in time lead to unloading power and protection to debris in the water through the protection awl after the protection network appears damaging.

In a further preferred embodiment, the rolling mechanism includes two sets of rollers and two sets of wear-resistant sleeves, the left end of the swing bracket is provided with two sets of sliding grooves, the two sets of rollers are respectively mounted on the front side and the rear side of the top of the right end of the gate, the two sets of rollers are respectively in sliding connection with the two sets of sliding grooves, the two sets of wear-resistant sleeves are respectively mounted on the outer ends of the two sets of rollers, and the friction force of the gate on the swing bracket can be effectively reduced due to the arrangement of the rolling mechanism, so that the first oil cylinder can be more conveniently output or retracted to lift and control the gate.

In a further preferred embodiment, the right oil pipe of the second oil cylinder is provided with a balance valve, when the gate descends and drives the swing bracket and the gate to swing anticlockwise simultaneously through the output of the second oil cylinder, the gate and the swing bracket are impacted by water flow, and the second oil cylinder can also provide anticlockwise swinging force for the gate and the swing bracket, so that the gate and the swing bracket swing stall are easy to cause, the swing is too fast to cause the damage of the integral structure of the gate, the output speed of the second oil cylinder is effectively adjusted through the arrangement of the balance valve, the swing speed of the swing bracket and the gate is controlled, and the service safety and the service life of the gate are effectively improved.

In a further preferred aspect, the right side of the bottom end of the gate is provided with a first chamfer, and the arrangement of the first chamfer can further reduce the impact force of water flow on the gate when the gate slides downwards in the slideway, so that the difficulty in closing the gate is further reduced.

In further preferred, the right side of the bottom end of the water through hole is provided with a second chamfer, the arrangement of the second chamfer can effectively prevent garbage and sediment in water flow from blocking the bottom end of the water through hole, and the second chamfer can be matched with the first chamfer at the bottom end of the gate better for effective lamination and sealing.

In a further preferred embodiment, the front and rear sides of the top end of the gate are respectively provided with a sliding rod, the front and rear sides of the bottom end of the top plate are respectively provided with a through hole, the two groups of sliding rods are respectively in sliding connection with the two groups of through holes, and the sliding rods can more efficiently guide the lifting of the gate.

Compared with the prior art, the utility model provides a hydraulic engineering flood prevention gate, which comprises the following components

The beneficial effects are that:

When the sluice gate is opened, because the water flow impact is smaller, the first oil cylinder can be directly operated to retract to drive the sluice gate to rise until the water through hole is opened, and when the water flow impact is larger and the sluice gate needs to be closed, the second oil cylinder can be firstly operated to retract to drive the swinging bracket to swing clockwise, so that the lifted sluice gate is driven to swing clockwise along with the swinging bracket synchronously until the sluice gate swings to a position flush with the conical surface at the left end of the slideway, then the first oil cylinder can be operated to output to drive the sluice gate to slide leftwards and downwards until the sluice gate stops the first oil cylinder after waiting for the closing position, the guide plate and the swinging bracket can effectively guide the movement of the sluice gate in the process of descending the sluice gate, firstly, because the left end of the sluice gate does not have positive impact with the water flow, thereby reducing the sliding friction force of the gate on the swinging bracket, reducing the closing difficulty of the gate, secondly, the front end and the rear end of the gate do not completely seal the water through holes, so the water flow does not completely impact the gate, thereby reducing the direct impact force of the water flow to a certain extent, at the moment, the second oil cylinder can be operated to output and drive the swinging bracket and the gate to swing anticlockwise simultaneously, and under the auxiliary impact action of the water flow, the gate swings anticlockwise to a vertical position and seals the water through holes, thereby completing the closing of the gate, through the device, the gate can be automatically opened and closed more conveniently and efficiently, and the gate is effectively and conveniently closed under the condition of larger water flow impact through the slant anticlockwise swinging sequence of the gate, the safety and convenience of closing the gate under the condition of large water flow impact are improved.

The protection mechanism is designed, and is given in the daily use process of the gate, because the through holes of the protection net are relatively large, sundries in small water flow are not easy to block, and even if more sundries are accumulated at the left end of the protection net, the protection net can be driven to swing clockwise by 90 degrees by operating the retraction of the third oil cylinder, and the protection net is opened in time so as to ensure the normal flow of the water flow. And when the flood condition appears, can operate the third hydro-cylinder output and drive the anticlockwise 90 degrees of protection network to utilize the protection network to carry out the blocking of big debris and unload the power to the gate, and after the protection network appears damaging, the protection awl of gate left end can effectually lead to debris such as stump and unload the power, prevent directly to strike the left end of gate, thereby through the device, can be more convenient efficient protect the gate through protection network and protection awl, and can be more convenient for carry out the switching control of protection network according to the actual usage condition through the setting of third hydro-cylinder, further improve the protection effect and the convenience of use of gate.

The rolling mechanism is designed, sliding friction between the gate and the swinging bracket can be changed into rolling friction effectively by the two groups of rollers in the lifting process of the gate, so that friction force of the gate in the lifting process is effectively reduced, difficulty in lifting of the gate driven by the first oil cylinder is reduced, wear resistance of the two groups of rollers and service life of the two groups of wear-resistant sleeves can be effectively improved, overhaul times of the gate are reduced, and use convenience of the gate is further improved.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic diagram of the overall left-view structure of the present utility model;

FIG. 3 is a schematic view of the overall front half cross-sectional structure of the present utility model;

FIG. 4 is a schematic view of the front half cross-sectional structure of the integral front roller of the present utility model;

Fig. 5 is a schematic view of a left-hand structure of the gate according to the present utility model.

In the figure: 1. a base; 2. a water through hole; 3. a support base; 4. a rotating lever; 5. a swing bracket; 6. a top plate; 7. a guide plate; 8. a gate; 9. a first cylinder; 10. a second cylinder; 11. a slideway; 12. a protective net; 13. a third cylinder; 14. a protective cone; 15. a roller; 16. a wear-resistant sleeve; 17. a balancing valve; 18. a first chamfer; 19. a second chamfer; 20. and a slide bar.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1:

Referring to fig. 1-5, a hydraulic engineering flood prevention gate comprises a base 1, wherein a water through hole 2 is arranged at the bottom of the left end of the base 1, an opening and closing mechanism and a protection mechanism are respectively arranged at the right side of the top end and the left side of the top end of the base 1, the opening and closing mechanism comprises two groups of supporting seats 3, a rotating rod 4, a swinging bracket 5, a top plate 6, a guide plate 7, a gate 8, a first oil cylinder 9 and a second oil cylinder 10, the two groups of supporting seats 3 are respectively arranged at the front side and the rear side of the top end of the base 1, the front end and the rear end of the rotating rod 4 are respectively connected with the inner ends of the two groups of supporting seats 3 in a rotating way, the bottom of the front end of the swinging bracket 5 is provided with a rotating hole, the outer end of the middle part of the rotating rod 4 is connected with the rotating hole in a rotating way, the top plate 6 is arranged at the top of the left end of the swing bracket 5, the guide plate 7 is arranged at the bottom of the left end of the swing bracket 5, a sliding hole is formed in the middle of the top end of the top plate 6, the first oil cylinder 9 is arranged at the middle of the top end of the top plate 6, the output end of the first oil cylinder 9 penetrates through the sliding hole to be connected with the top end of the gate 8, the left end and the right end of the gate 8 are respectively in sliding connection with the left end of the inside of the guide plate 7 and the left end of the swing bracket 5, the bottom end and the output end of the second oil cylinder 10 are respectively hinged with the right side of the top end of the base 1 and the top of the right end of the swing bracket 5, a slide way 11 is arranged at the top end of the water through hole 2, the gate 8 is in sliding connection with the slide way 11, and the right end of the gate 8 is provided with a rolling mechanism; when the sluice gate for water-friendly engineering is used, when the sluice gate 8 is opened, the first oil cylinder 9 can be directly operated to retract to drive the sluice gate 8 to ascend until the water through hole 2 is opened because the water flow impact is smaller, and when the water flow impact is larger and the sluice gate 8 needs to be closed, the second oil cylinder 10 can be firstly operated to retract to drive the swinging bracket 5 to swing clockwise, so that the lifted sluice gate 8 is driven to swing clockwise along with the swinging bracket 5 until the sluice gate 8 swings to a position flush with the conical surface at the left end of the slideway 11, then the first oil cylinder 9 can be operated to output to drive the sluice gate 8 to slide leftwards and downwards until the first oil cylinder 9 is stopped after the sluice gate 8 waits for the closed position, the guide plate 7 and the swinging bracket 5 can effectively guide the movement of the sluice gate 8 in the descending process of the sluice gate 8 firstly because the left end of the sluice gate 8 does not positively impact with the water flow, thereby reducing the sliding friction force of the gate 8 on the swinging bracket 5, reducing the closing difficulty of the gate 8, secondly, the front end and the rear end of the gate 8 do not completely seal the water through hole 2, so the water flow does not completely impact the gate 8, thereby reducing the direct impact force of the water flow to a certain extent, at the moment, the second oil cylinder 10 can be operated to output and drive the swinging bracket 5 and the gate 8 to swing anticlockwise at the same time, and under the auxiliary impact action of the water flow, the gate 8 swings anticlockwise to a vertical position and seals the water through hole 2, thereby completing the closing of the gate 8, through the device, the gate 8 can be automatically opened and closed more conveniently and efficiently, and the gate 8 is closed more conveniently under the condition of larger water flow impact by the oblique anticlockwise swinging sequence of the gate 8, the safety and convenience of closing the gate 8 under the condition of large water flow impact are improved.

Example 2:

Referring to fig. 1-5, on the basis of embodiment 1, in the daily use process of the gate 8, because the through holes of the protection net 12 are relatively large, the sundries in the small water flow are not easy to block, and even if more sundries are accumulated at the left end of the protection net 12, the third oil cylinder 13 can be operated to retract to drive the protection net 12 to swing clockwise by 90 degrees, so that the protection net 12 is opened in time, and the normal flow of the water flow is ensured. And when the flood condition appears, can operate the output of third hydro-cylinder 13 and drive protection network 12 anticlockwise swing 90 degrees to utilize protection network 12 to carry out the blocking and the power of unloading of big debris to gate 8, and after protection network 12 appears damaging, protection cone 14 of gate 8 left end can effectually lead to unloading the power to debris such as stump, prevent directly to strike gate 8's left end, thereby through the device, can be more convenient and efficient protect gate 8 through protection network 12 and protection cone 14, and can be convenient for carry out the switching control of protection network 12 according to the actual usage condition more through the setting of third hydro-cylinder 13, further improve gate 8's protection effect and use convenience.

Example 3:

Referring to fig. 1-5, on the basis of embodiment 2, in the lifting process of the gate 8, the sliding friction between the gate 8 and the swinging bracket 5 can be effectively changed into rolling friction by the two sets of rollers 15, so that the friction force of the gate 8 in the lifting process is effectively reduced, the difficulty of the first oil cylinder 9 driving the gate 8 to lift is reduced, the wear resistance and the service life of the two sets of rollers 15 can be effectively improved by the two sets of wear-resistant sleeves 16, the overhaul times of the gate 8 are reduced, and the use convenience of the gate 8 is further improved.

In all the above mentioned solutions, in which the connection between two components can be chosen according to the actual situation, a welded, bolt-and-nut-fitted connection, a bolt-or-screw connection or other known connection means, which are not described in detail herein, where reference is made to a written fixed connection, the preferred consideration is welding, although embodiments of the utility model have been shown and described, it will be understood by those skilled in the art that numerous variations, modifications, substitutions and alterations can be made to these embodiments without departing from the principle and spirit of the utility model, the scope of which is defined by the appended claims and their equivalents.

Claims (7)

1. The utility model provides a hydraulic engineering flood prevention gate, includes base (1), and the left end bottom of base (1) is provided with limbers (2), its characterized in that: the right side and the left side of the top end of the base (1) are respectively provided with an opening and closing mechanism and a protection mechanism, the opening and closing mechanism comprises two groups of supporting seats (3), a rotating rod (4), a swinging support (5), a top plate (6), a guide plate (7), a gate (8), a first oil cylinder (9) and a second oil cylinder (10), the two groups of supporting seats (3) are respectively arranged on the front side and the rear side of the top end of the base (1), the front end and the rear end of the rotating rod (4) are respectively connected with the inner ends of the two groups of supporting seats (3) in a rotating way, the bottom part of the front end of the swinging support (5) is provided with a rotating hole, the middle outer end of the rotating rod (4) is rotationally connected with the rotating hole, the top plate (6) is arranged at the top part of the left end of the swinging support (5), the guide plate (7) is arranged at the bottom of the left end of the swinging support (5), the top end of the top plate (6) is provided with a sliding hole, the first oil cylinder (9) is arranged at the middle part of the top end of the top plate (6) and the output end of the first oil cylinder (9) passes through the sliding hole and is connected with the top end of the gate (8), the front end and the right end of the gate (8) respectively, the guide plate (8) is respectively connected with the bottom end of the left end and the right end of the top end of the swinging support (5) respectively, the top of the water through hole (2) is provided with a slide way (11), the gate (8) is in sliding connection with the slide way (11), and the right end of the gate (8) is provided with a rolling mechanism.

2. The hydraulic engineering flood prevention gate according to claim 1, wherein: the protection mechanism comprises a protection net (12), a third oil cylinder (13) and a protection cone (14), wherein the top of the right end of the protection net (12) is hinged to the left side of the top end of the base (1), the left end and the right end of the third oil cylinder (13) are respectively hinged to the top of the right end of the protection net (12) and the left side of the top end of the base (1), and the protection cone (14) is arranged at the left end of the gate (8).

3. The hydraulic engineering flood prevention gate according to claim 1, wherein: the rolling mechanism comprises two groups of rollers (15) and two groups of wear-resistant sleeves (16), two groups of sliding grooves are formed in the left end of the swing support (5), the two groups of rollers (15) are respectively arranged on the front side and the rear side of the top of the right end of the gate (8), the two groups of rollers (15) are respectively connected with the two groups of sliding grooves in a sliding mode, and the two groups of wear-resistant sleeves (16) are respectively arranged at the outer ends of the two groups of rollers (15).

4. The hydraulic engineering flood prevention gate according to claim 1, wherein: and a balance valve (17) is arranged on the right oil pipe of the second oil cylinder (10).

5. The hydraulic engineering flood prevention gate according to claim 1, wherein: the right side of the bottom end of the gate (8) is provided with a first chamfer (18).

6. The hydraulic engineering flood prevention gate according to claim 1, wherein: the right side of the bottom end of the water through hole (2) is provided with a second chamfer (19).

7. The hydraulic engineering flood prevention gate according to claim 1, wherein: slide bars (20) are arranged on the front side and the rear side of the top end of the gate (8), through holes are formed in the front side and the rear side of the bottom end of the top plate (6), and two groups of slide bars (20) are respectively connected with the two groups of through holes in a sliding mode.