CN113863238B - Dam face system based on hydraulic dam - Google Patents

Abstract

The invention discloses a dam face system based on a hydraulic dam, which comprises a dam body, wherein the top of the dam body is hinged with a movable dam face, the top side of the movable dam face is provided with an adjusting groove, the adjusting groove is connected with an adjusting dam face in a sliding manner, one side of the back face of the movable dam face is provided with a lifting device, a limiting mechanism is arranged below the lifting device, the bottom end of the movable dam face is provided with a sealing box, and a driving mechanism is arranged in the sealing box; the invention relates to a dam surface of a hydraulic dam. This dam facing system based on hydraulic pressure dam, through the elevating gear who sets up, can drive and adjust the dam facing and be located the activity dam facing and reciprocate, activity dam facing can carry out the regulation of height as required, through the stop gear who sets up, can be according to the seasonal demand of difference, can intercept different impoundment volume to realize intercepting retaining function, through installing the pneumatic cylinder in the seal box, and be provided with waterproof sealing rubber circle, prevent that the water source from getting into and causing the corruption to the pneumatic cylinder in the seal box.

Description

Dam face system based on hydraulic dam

Technical Field

The invention relates to a dam face of a hydraulic dam, in particular to a dam face system based on the hydraulic dam.

Background

The hydraulic dam is a hydraulic concrete lifting dam, is a relatively simple movable dam technology of water conservancy and science and technology, is widely applied to construction of agricultural irrigation, fishery, ship locks, seawater damp blocking, urban river landscape engineering, small hydropower stations and the like, is commonly called as a movable dam, adopts the mechanical principle of dump trucks, combines the hydraulic structure type movable dam of a buttress dam, has double functions of water retaining and water draining, and has the advantage of large span which is incomparable with the conventional sluice.

According to the patent No. CN210975752U, the publication date is 2020-07-10, a hydraulic dam with a back surface covering mechanism is disclosed, which comprises a dam foundation, a gate and a supporting oil cylinder for supporting the gate, wherein the back surface of the gate is movably linked with a folding covering mechanism, the back surface of the gate is connected with a rotating protection plate, and the rotating protection plate is contacted with the folding covering mechanism; the folding covering mechanism comprises an upper folding plate and a lower folding plate, the folding covering mechanism is positioned above the supporting oil cylinder, the rotary protection plates are symmetrically distributed on two sides of the supporting oil cylinder, a plurality of accommodating grooves are arranged on the dam foundation, the accommodating grooves are positioned under the rotary protection plates, the hydraulic dam with the back surface covering mechanism can independently protect the oil cylinder arranged on the back surface of the gate, the manufacturing cost of the covering mechanism is reduced, the oil cylinder is protected in an all-round manner, the oil cylinder is prevented from being damaged due to interference of external factors, the height of the movable dam surface is fixed, the change of domestic seasons is different, the water storage amount in different seasons is also different, therefore, the water blocking amount required by the movable dam surface also needs to be adjusted in the greening landscape construction process, and the steel dam with the fixed height can not meet the problem of how much water storage in different seasons,

according to the patent number CN209975483U and the publication date 2020-01-21, the hydraulic dam facing comprises a dam facing group, wherein an installation block is fixedly connected to the surface of one side of the dam facing group, a circular pipe is fixedly connected to the bottom of the dam facing group, the dam facing group comprises a concrete dam facing, a rubber dam facing and a steel plate dam facing, reinforcing steel bars are fixedly connected to the inside of the concrete dam facing, the surface of one side of the rubber dam facing is fixedly connected with the surface of one side of the steel plate dam facing, and an aluminum coating is fixedly connected to the outer surface of the steel plate dam facing. This hydraulic pressure dam facing, reached the prevention of seepage of concrete dam face in the river course water and the effect of stagnant water, during the use, the stagnant water layer carries out the separation to the water of concrete dam facing, the prevention of seepage layer carries out the prevention of seepage to the inside water of unexpected infiltration stagnant water layer, the inside influence dam facing group life of avoiding moisture to get into the concrete dam facing, thereby the inside of water entering concrete dam facing in the river course has been solved, cause the problem of harm to the concrete dam facing, but current pneumatic cylinder exposes externally for a long time, receive rainwater erosion for a long time, it is more serious by the corruption influence, make the pneumatic cylinder inefficacy, can't reach the result of use, and then influence the safe in utilization of equipment, there is the potential safety hazard.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides a dam facing system based on a hydraulic dam, which solves the problems that the height of the dam facing of the existing hydraulic dam is fixed when the dam facing is used, the dam facing with the fixed height cannot meet the requirement of the amount of stored water in different seasons, and the existing hydraulic cylinder is exposed outside for a long time and is corroded by rainwater for a long time, so that the hydraulic cylinder is seriously influenced by corrosion, the hydraulic cylinder fails, the use effect cannot be achieved, the use safety of equipment is further influenced, and potential safety hazards exist.

In order to realize the purpose, the invention is realized by the following technical scheme: a dam face system based on a hydraulic dam comprises a dam body, wherein the top of the dam body is hinged with a movable dam face, the top side of the movable dam face is provided with an adjusting groove, the adjusting groove is connected with the adjusting dam face in a sliding mode, one side of the back face of the movable dam face is provided with a lifting device, a limiting mechanism is arranged below the lifting device, the bottom end of the movable dam face is provided with a sealing box, and a driving mechanism is arranged in the sealing box; the lifting device comprises a positioning block fixedly arranged on the back of the movable dam face, a rotating rod is connected to the positioning block in a rotating mode, gears are fixedly connected to two ends of the rotating rod, one end of each gear penetrates through the movable dam face to be in transmission connection with the back of the adjusting dam face, and knobs are fixedly connected to end faces of two sides of the rotating rod; stop gear includes the connecting block of fixed mounting on movable dam facing surface, the spout has been seted up to the inside of connecting block, and the inside sliding connection of spout has the stopper, the locating lever of symmetry has been cup jointed to the bottom of stopper, the bottom and the spout inner wall fixed connection of locating lever, the spring has been cup jointed on the locating lever, the one end fixed surface of connecting block is connected with the fixing base, the one end fixed surface of stopper is connected with the slider, and the other end through connection piece of slider and with connecting block sliding connection, slider surface threaded connection has the threaded rod, and the bottom of threaded rod is passed through the bearing and is connected with the top rotation of fixing base.

Preferably, symmetrical grooves are formed in the back of the adjusting dam face, and racks are fixedly mounted in the grooves.

Preferably, the surface of the movable dam face is provided with symmetrical adjusting holes, and one end of the gear penetrates through the adjusting holes and is in meshed transmission connection with the rack.

Preferably, the one end surface of stopper and the back sliding connection of activity dam facing, the top of stopper and the mutual joint in bottom of gear, the one end and the spout bottom inner wall fixed connection of spring, the other end of spring and the bottom fixed connection of stopper.

Preferably, the positioning blocks are provided with three groups, the three groups of positioning blocks are positioned on the same horizontal plane, and the knob is movably sleeved with a protective sleeve.

Preferably, one end of the seal box is located inside the dam body and is provided with a first rotating groove, one end of the seal box is arranged in a penetrating mode with the first rotating groove, and the top of the seal box is provided with a second rotating groove.

Preferably, actuating mechanism includes the fixed block of fixed mounting at the seal box inner wall, the one end of fixed block articulates there is the pneumatic cylinder, the output of pneumatic cylinder articulates there is the piece that turns to, the top fixedly connected with of turning to the piece links up the piece.

Preferably, the turning block is rotatably installed at the joint of the first rotating groove and the seal box through a rotating shaft, the size of the connecting block is matched with that of the second rotating groove, one end surface of the connecting block is fixedly connected with the bottom end of the movable dam face in a welding mode, and the size of the turning block is matched with that of the first rotating groove.

Advantageous effects

The invention provides a dam surface system based on a hydraulic dam. Compared with the prior art, the method has the following beneficial effects:

(1) This dam facing system based on hydraulic pressure dam, the staff rotates and rotates the threaded rod through the instrument, the rotation of threaded rod drives threaded connection slider downstream, the slider drives the stopper and is located the inside spout of connecting block and slides, and compression spring, make the top of stopper not form the joint with the gear, remove the limited joint effect of stopper to the gear, then the staff rotates the knob, the knob rotates and to drive the dwang, the dwang drives gear revolve, gear revolve drives the rack and removes, thereby it upwards moves to be located the adjustment tank of activity dam facing to adjust the dam facing through the rack drive, can be as required when adjusting the dam facing, carry out the regulation of height, satisfy the retaining demand in season, elevating gear through setting, can drive and adjust the dam facing and be located the activity dam facing and reciprocate, the activity dam facing can be as required, carry out the regulation of height, satisfy the retaining demand in season.

(2) This dam facing system based on hydraulic pressure dam, rotate the threaded rod through the instrument, the rotation of threaded rod drives the threaded connection slider and removes, the slider drives the stopper and is located the inside spout of connecting block and slides, make the top of stopper and the bottom of gear form the joint fixed or remove the restriction, and cooperate locating lever and spring, make stop gear more stable, stop gear through setting up, can carry out spacing joint location fixed to elevating gear, thereby can carry out the rigidity to the regulation dam facing after adjusting, can be according to the seasonal demand of difference, can intercept different impoundments, thereby realize the function of interception retaining, high durability and convenient use.

(3) This dam face system based on hydraulic pressure dam, through the flexible of pneumatic cylinder, it rotates to drive articulated piece that turns to, it drives to link up the piece and is located the second and rotates on the groove to turn to the piece, thereby it rotates to drive the activity dam face, thereby realize the regulation of activity dam face angle, and the junction of actuating mechanism and seal box and dam body all is provided with waterproof sealing rubber circle, prevent that the water source from getting into and causing the corruption to the pneumatic cylinder in the seal box, thereby the life of pneumatic cylinder has been increased, install the inside at the seal box with the pneumatic cylinder simultaneously, can protect the pneumatic cylinder, prevent the direct impact of debris such as trees, stones that the upper reaches flowed through, and avoid the exposure of pneumatic cylinder, the appearance is pleasing to the eye, the protection is effectual, improve equipment safety, pneumatic cylinder long service life.

Drawings

FIG. 1 is a perspective view of the external structure of a hydraulic dam-based dam facing system according to the present invention;

FIG. 2 is a structural perspective view for adjusting dam face expansion in a dam face system based on a hydraulic dam according to the present invention;

FIG. 3 is a perspective cross-sectional view of the overall structure of the hydraulic dam-based dam facing system of the present invention;

FIG. 4 is a structural three-dimensional sectional view of a lifting device in a dam facing system based on a hydraulic dam according to the present invention;

FIG. 5 is an enlarged view at A in FIG. 4;

FIG. 6 is a perspective view of a structure of a limiting mechanism in a dam facing system based on a hydraulic dam according to the present invention.

In the figure: 1. a dam body; 2. a movable dam surface; 3. adjusting a dam surface; 4. a lifting device; 5. a limiting mechanism; 6. sealing the box; 7. a drive mechanism; 101. a first rotation groove; 201. an adjustment groove; 202. an adjustment hole; 301. a rack; 401. positioning a block; 402. rotating the rod; 403. a gear; 404. a knob; 501. connecting blocks; 502. a limiting block; 503. a chute; 504. positioning a rod; 505. a spring; 506. a fixed seat; 507. a slider; 508. a threaded rod; 601. a second rotating groove; 701. a fixed block; 702. a hydraulic cylinder; 703. a turning block; 704. a connecting block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides a technical solution: a dam face system based on a hydraulic dam comprises a dam body 1, wherein the top of the dam body 1 is hinged with a movable dam face 2, the top side of the movable dam face 2 is provided with an adjusting groove 201, an adjusting dam face 3 is connected in the adjusting groove 201 in a sliding mode, one side of the back face of the movable dam face 2 is provided with a lifting device 4, a limiting mechanism 5 is arranged below the lifting device 4, the bottom end of the movable dam face 2 is provided with a seal box 6, corrosion-resistant paint is brushed on the surfaces of the movable dam face 2, the adjusting dam face 3 and the seal box 6, the service life of the dam face system can be effectively prolonged, and a driving mechanism 7 is arranged in the seal box 6; the lifting device 4 comprises a positioning block 401 fixedly mounted on the back of the movable dam facing 2, a rotating rod 402 is connected to the positioning block 401 in a rotating mode, gears 403 are fixedly connected to two ends of the rotating rod 402, one end of each gear 403 penetrates through the movable dam facing 2 to be in transmission connection with the back of the adjusting dam facing 3, knobs 404 are fixedly connected to two end faces of each rotating rod 402, the rotating rods 402 can be driven through rotation of the knobs 404, the gears 402 drive the gears 403 to rotate, the racks 301 are driven through rotation of the gears 403 to move, accordingly, the adjusting dam facing 3 is driven by the racks 301 to move up and down in the adjusting groove 201 of the movable dam facing 2, when the adjusting dam facing 3 can adjust the height as required, the water storage requirement in the season is met, through the arranged lifting device 4, the adjusting dam facing 3 can be driven to move up and down in the movable dam facing 2, and the movable dam facing 2 can adjust the height as required, and the water storage requirement in the season is met; the limiting mechanism 5 comprises a connecting block 501 fixedly installed on the surface of the movable dam face 2, a sliding groove 503 is formed in the connecting block 501, a limiting block 502 is connected in a sliding manner in the sliding groove 503, a symmetrical positioning rod 504 is sleeved at the bottom end of the limiting block 502, the bottom of the positioning rod 504 is fixedly connected with the inner wall of the sliding groove 503, a spring 505 is sleeved on the positioning rod 504, a fixing seat 506 is fixedly connected with the surface of one end of the connecting block 501, a sliding block 507 is fixedly connected with the surface of one end of the limiting block 502, the other end of the sliding block 507 penetrates through the connecting block 501 and is in sliding connection with the connecting block 501, a threaded rod 508 is connected to the surface of the sliding block 507 in a threaded manner, the bottom of the threaded rod 508 is rotatably connected with the top of the fixing seat 506 through a bearing, the threaded rod 508 is rotated by a tool, the threaded connection sliding block 507 is moved by the rotation of the threaded rod 508, the sliding block 507 drives the limiting block 502 to slide in the sliding groove in the connecting block, so that the top of the limiting block 502 and the bottom of the gear 403 form clamping fixation or release limitation, the positioning rod 504 and the spring 505 are matched with the positioning rod 505, so that the limiting mechanism 5 can be more stable, the lifting device 4 can be clamped and fixed, thereby fixing the adjusted adjusting position of the adjusting dam face 3, the adjustable dam face 3 can be fixed, the water storage position 503, the water storage capacity of the water storage dam face according to different seasons, and the water storage function, and the water storage capacity of the water storage device can be convenient to be used; symmetrical grooves are formed in the back of the adjusting dam face 3, and racks 301 are fixedly arranged in the grooves; symmetrical adjusting holes 202 are formed in the surface of the movable dam surface 2, one end of a gear 403 penetrates through the adjusting holes 202 and is in meshed transmission connection with a rack 301, and the lifting device 4 can drive the adjusting dam surface 3 to lift through the mutually meshed gear 403 and rack 301, so that the height can be adjusted according to requirements, different water storage amounts can be intercepted, and the function of intercepting stored water is achieved; the surface of one end of the limiting block 502 is slidably connected with the back of the movable dam facing 2, the top of the limiting block 502 is clamped with the bottom of the gear 403, one end of the spring 505 is fixedly connected with the inner wall of the bottom end of the sliding groove 503, the other end of the spring 505 is fixedly connected with the bottom end of the limiting block 502, stable buffering action on the limiting block 502 can be achieved through the arranged spring 505, the limiting block 502 is stable in operation by matching with the positioning rod 504, the phenomenon that the position of the positioning rod 504 deviates is prevented, clamping limiting failure on the gear 403 is caused, sliding of the height of the adjusting dam facing 3 is caused, and failure of the movable dam facing 2 and the adjusting dam facing 3 in intercepting a water source is caused; three groups of positioning blocks 401 are arranged, the three groups of positioning blocks 401 are positioned on the same horizontal plane, the stability of the device is ensured, and a protective sleeve is movably sleeved on the knob 404 and is convenient for rotating the knob 404 to drive the rotating rod 402 to rotate; a first rotating groove 101 is formed in one end of the seal box 6 and located inside the dam body 1, one end of the seal box 6 is arranged in a penetrating mode with the first rotating groove 101, and a second rotating groove 601 is formed in the top of the seal box 6; the driving mechanism 7 comprises a fixed block 701 fixedly installed on the inner wall of the seal box 6, one end of the fixed block 701 is hinged with a hydraulic cylinder 702, the output end of the hydraulic cylinder 702 is hinged with a steering block 703, and the top of the steering block 703 is fixedly connected with a connecting block 704; the steering block 703 is rotatably installed at the joint of the first rotating groove 101 and the seal box 6 through a rotating shaft, the size of the connecting block 704 is matched with that of the second rotating groove 601, one end surface of the connecting block 704 is fixedly connected with the bottom end of the movable dam facing 2 in a welding mode, the size of the steering block 703 is matched with that of the first rotating groove 101, the hinged steering block 703 is driven to rotate through the stretching of the hydraulic cylinder 702, the steering block 703 drives the connecting block 704 to rotate on the second rotating groove 601, so that the movable dam facing 2 is driven to rotate, so that the angle of the movable dam facing 2 is adjusted, waterproof sealing rubber rings are arranged at the joints of the driving mechanism 7, the seal box 6 and the dam body 1, a water source is prevented from entering the seal box 6 to corrode the hydraulic cylinder 702, the service life of the hydraulic cylinder 702 is prolonged, the hydraulic cylinder 702 is installed inside the seal box 6 at the same time, the hydraulic cylinder 702 can be protected, direct impact of trees, stones and other sundries flowing upstream is prevented, the hydraulic cylinder 702 is prevented from being exposed, the appearance is attractive, the protection effect is good, the appearance safety of the hydraulic cylinder 702 is improved, and the service life of the hydraulic cylinder 702 is long.

And those not described in detail in this specification are well within the skill of those in the art.

When the adjustable dam facing is in work, corrosion-resistant paint is brushed on the surfaces of the movable dam facing 2 and the adjustable dam facing 3, so that the service life of the adjustable dam facing can be effectively prolonged, in the process of different seasonal changes, a hydraulic dam needs to be used for intercepting the water storage amount at different depths, when the needed water storage amount is large, the adjustable dam facing 3 needs to be adjusted upwards, a worker rotates the threaded rod 508 through a tool, the threaded rod 508 rotates to drive the threaded connection sliding block 507 to move downwards, the sliding block 507 drives the limiting block 502 to slide in the sliding groove 503 in the connecting block 501, the spring 505 is compressed, the top of the limiting block 502 is not clamped with the gear 403, the limiting clamping effect of the limiting block 502 on the gear 403 is relieved, then the worker rotates the knob 404, the knob 404 rotates to drive the rotating rod 402, the rotating rod 402 drives the gear 403 to rotate, the gear 403 rotates to drive the rack 301 to move, so that the adjustable dam facing 3 is driven by the rack 301 to move upwards in the adjusting groove of the movable dam facing 2, when the adjustable dam facing 3 is adjusted, the height can be adjusted as required, the requirement of the adjustable dam facing 2 can be adjusted as required by moving upwards and downwards; after adjustment is completed, the threaded rod 508 is rotated to drive the limiting block 502 to move upwards, the top of the limiting block 502 and the bottom of the gear 403 are clamped and fixed, the limiting mechanism 5 is more stable by matching with the positioning rod 504 and the spring 505, and the lifting device 4 can be limited, clamped, positioned and fixed through the arranged limiting mechanism 5, so that the adjusted adjusting dam surface 3 can be fixed in position, different water storage amounts can be intercepted according to different seasonal requirements, the function of intercepting stored water is realized, and the use is convenient; when the inclination angle of the movable dam facing 2 needs to be adjusted, the hinged steering block 703 is driven to rotate through the stretching of the hydraulic cylinder 702, the steering block 703 drives the connecting block 704 to be positioned on the second rotating groove 601 to rotate, so that the movable dam facing 2 is driven to rotate, the angle of the movable dam facing 2 is adjusted, waterproof sealing rubber rings are arranged at the joints of the driving mechanism 7, the sealing box 6 and the dam body 1, a water source is prevented from entering the sealing box 6 to corrode the hydraulic cylinder 702, the service life of the hydraulic cylinder 702 is prolonged, meanwhile, the hydraulic cylinder 702 is arranged inside the sealing box 6, the hydraulic cylinder 702 can be protected, direct impact of sundries such as trees and stones flowing upstream is prevented, the hydraulic cylinder 702 is prevented from being exposed, the appearance is attractive, the protection effect is good, the safety of equipment is improved, the service life of the hydraulic cylinder 702 is long, and the working principle of the dam facing system based on the hydraulic dam is realized.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides a dam facing system based on hydraulic pressure dam, includes dam body (1), its characterized in that: the top of the dam body (1) is hinged with a movable dam facing (2), the top side of the movable dam facing (2) is provided with an adjusting groove (201), the adjusting groove (201) is connected with an adjusting dam facing (3) in a sliding manner, one side of the back of the movable dam facing (2) is provided with a lifting device (4), a limiting mechanism (5) is arranged below the lifting device (4), the bottom end of the movable dam facing (2) is provided with a seal box (6), and a driving mechanism (7) is arranged in the seal box (6);

the lifting device (4) comprises a positioning block (401) fixedly mounted on the back of the movable dam facing (2), the positioning block (401) is rotatably connected with a rotating rod (402), two ends of the rotating rod (402) are fixedly connected with gears (403), one end of each gear (403) penetrates through the movable dam facing (2) and is in transmission connection with the back of the adjusting dam facing (3), and two side end faces of the rotating rod (402) are fixedly connected with knobs (404);

the limiting mechanism (5) comprises a connecting block (501) fixedly mounted on the surface of the movable dam facing (2), a sliding groove (503) is formed in the connecting block (501), a limiting block (502) is connected to the inside of the sliding groove (503) in a sliding mode, symmetrical positioning rods (504) are sleeved at the bottom end of the limiting block (502), the bottom of each positioning rod (504) is fixedly connected with the inner wall of the corresponding sliding groove (503), a spring (505) is sleeved on each positioning rod (504), a fixing seat (506) is fixedly connected to the surface of one end of the connecting block (501), a sliding block (507) is fixedly connected to the surface of one end of the limiting block (502), the other end of the sliding block (507) penetrates through the connecting block (501) and is connected with the connecting block (501) in a sliding mode, a threaded rod (508) is connected to the surface of the sliding block (507) in a threaded mode, and the bottom of the threaded rod (508) is rotatably connected with the top of the fixing seat (506) through a bearing;

a first rotating groove (101) is formed in one end of the seal box (6) and located in the dam body (1), one end of the seal box (6) is arranged in a penetrating mode with the first rotating groove (101), a second rotating groove (601) is formed in the top of the seal box (6),

the driving mechanism (7) comprises a fixed block (701) fixedly arranged on the inner wall of the seal box (6), one end of the fixed block (701) is hinged with a hydraulic cylinder (702), the output end of the hydraulic cylinder (702) is hinged with a steering block (703), the top of the steering block (703) is fixedly connected with a connecting block (704),

the turning block (703) is rotatably installed at the joint of the first rotating groove (101) and the sealing box (6) through a rotating shaft, the size of the joining block (704) is matched with that of the second rotating groove (601) mutually, one end surface of the joining block (704) is fixedly connected with the bottom end of the movable dam face (2) together in a welding mode, and the size of the turning block (703) is matched with that of the first rotating groove (101) mutually.

2. A hydraulic dam based dam system according to claim 1 wherein: symmetrical grooves are formed in the back face of the adjusting dam face (3), and racks (301) are fixedly mounted in the grooves.

3. The dam face system based on hydraulic dams of claim 2, characterized in that: symmetrical adjusting holes (202) are formed in the surface of the movable dam face (2), and one end of the gear (403) penetrates through the adjusting holes (202) and is in meshed transmission connection with the rack (301).

4. A hydraulic dam based dam system according to claim 3 wherein: the utility model discloses a gear, including stopper (502), spout (503), the back sliding connection of stopper (502) and activity dam facing (2), the mutual joint in top and the bottom of gear (403) of stopper (502), the one end and the spout (503) bottom inner wall fixed connection of spring (505), the other end and the bottom fixed connection of stopper (502) of spring (505).

5. A hydraulic dam based dam system according to claim 1 wherein: the positioning blocks (401) are provided with three groups, the three groups of positioning blocks (401) are located on the same horizontal plane, and a protective sleeve is movably sleeved on the knob (404).

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