CN113605326B - A kind of anti-sedimentation door type hydraulic flushing system for dam engineering - Google Patents

Abstract

The invention discloses a siltation-proof door type hydraulic flushing system for dam engineering, which comprises a reservoir, a flushing component, an adjusting component and a controller, wherein the reservoir is arranged in the reservoir; the flushing assembly comprises a door frame, a flushing door, a first hydraulic rod and a locking plate, the door frame is arranged on the flushing port, the flushing door is hinged with the door frame, the lower end of the flushing door is provided with a locking pin, the locking plate and the first hydraulic rod are both arranged on the door frame, and the first hydraulic rod is hinged with the locking plate; the adjusting assembly comprises a mounting seat, an adjusting plate and an adjusting motor, the mounting seat is arranged on the side wall of the reservoir, the adjusting plate is rotationally clamped on the mounting seat, the adjusting motor is arranged in the mounting seat and provides power for the adjusting plate, and the controller is electrically connected with each electric device; the invention has reasonable structural design, obvious sludge flushing effect and high efficiency, and is suitable for mass popularization.

Description

A kind of anti-sedimentation door type hydraulic flushing system for dam engineering

technical field

The invention relates to the technical field of water conservancy engineering, in particular to a portal type hydraulic flushing system used for anti-silting in dam engineering.

Background technique

Water conservancy projects are projects that benefit the people by making full use of water resources, promoting water conservancy, and eliminating water damage. With the continuous improvement of my country's scientific and technological level, water conservancy projects have made major breakthroughs in both theory and practice, and have successively built Xiaolangdi and the Three Gorges, which have attracted worldwide attention. Through water conservancy projects, the reasonable matching of water resources has been effectively realized, which not only fully utilizes water energy resources, but also reduces flood damage. A dam is a typical water conservancy project. It is often built in the main stream of a river to re-match water resources by storing water energy. Most of the built dam reservoirs have multiple functions such as flood control, irrigation, power generation, and tourism. The classification of dams can also be divided into concrete dams, earth-rock dams or gravity dams, arch dams, etc. according to different classification standards; among them, dams can form reservoirs, and can also play the role of regulating runoff and concentrating water heads, so dams are widely used It is used for flood control, water supply, irrigation, hydroelectric power generation and improved navigation, etc.

After the dam has been used for a long time, sediments such as silt and branches will accumulate inside. If these sediments are not cleaned up in time, they may block the culvert of the dam, or prevent the gate from being lifted, affecting the normal drainage of the dam; at the same time, Sediments will also generate certain pressure on the dam, which will affect the safety of the dam mechanism; in the prior art, engineering machinery is mostly used to clean up the sediment inside the dam, which improves the cleaning work due to the high height of the dam. Difficulty, at the same time need to invest a lot of manpower and material resources.

Contents of the invention

In view of the above-mentioned technical problems, the present invention provides a high-efficiency and energy-saving portal hydraulic flushing system for anti-silting in dam engineering.

The technical solution of the present invention is: a portal type hydraulic flushing system for anti-silting in dam engineering, including a reservoir, a flushing component, an adjustment component and a controller; a base is arranged at the lower end of the reservoir, and a water inlet pump is arranged on the base , the outlet end of the water inlet pump is connected to the top of the reservoir through a pipe; the lower end of the side wall of the reservoir is provided with a flushing port;

The flushing assembly includes a door frame, a flushing door, a first hydraulic rod and a locking plate; the door frame is fixed at the opening of the flushing port, the upper end of the flushing door is hinged with the upper end of the door frame, and locking pins are arranged on both sides of the lower end of the flushing door. There are two locking plates, guide plates and the first hydraulic plate, and the two locking plates are respectively rotated and clamped at the lower positions on both sides of the mast. Both locking plates are provided with locking grooves. The locking plates are movably engaged with the two locking pins respectively through the locking grooves, the two first hydraulic rods are respectively fixed on the door frame, and the output ends of the two first hydraulic rods are respectively separated from the two locking plates. One side of the locking groove is hinged;

The adjustment assembly includes a mounting base, an adjusting plate and an adjusting motor. The mounting base is fixedly arranged at the lower end of the side wall of the reservoir and is located at the lower end of the flushing port. An adjusting block is slidingly clamped inside the mounting base, and meshing racks are provided on both sides of the adjusting block. , there are 3-5 arc-shaped swinging grooves evenly distributed on the side of the upper end surface of the mounting seat away from the reservoir, the number of adjusting plates corresponds to the arc-shaped swinging grooves, each adjusting plate is set in parallel, and is perpendicular to the mounting seat respectively, Each adjusting plate corresponds to each arc-shaped swinging groove in the horizontal direction. There are rotating shafts on both sides of the lower end surface of each adjusting plate. One of the rotating shafts slides and engages with the corresponding arc-shaped swinging groove. The mounting base is provided with a connecting gear, the connecting gear is meshed with one of the meshing racks, the adjusting motor is fixedly arranged inside the mounting seat, the output shaft of the regulating motor is provided with a main gear, and the main gear is meshingly connected with the other meshing rack;

The controller is electrically connected with the water inlet pump, the first hydraulic rod and the regulating motor respectively.

Further, there are 3-6 support holes evenly distributed from top to bottom on the flushing door, each of which is hinged with a flushing support plate, and the lower ends of each flushing support plate are movably hinged with support plates, and the two sides of the flushing door Two second hydraulic rods are fixedly installed, and the output ends of the two second hydraulic rods are hinged with each support plate on the same side. Limit sleeves are arranged at the lower ends of both sides of the flushing door, and the output ends of the two second hydraulic rods slide respectively. It is clamped in the limit sleeve. When a small amount of pollutants are deposited inside the dam, the controller controls the second hydraulic rod to start. When the output end of the second hydraulic rod shrinks, the support plate drives each flushing support plate to open at a certain angle. , so as to use the water stored in the reservoir to flush the pollutants deposited inside the dam and improve the practicability of the system.

Furthermore, a sealing block is provided at the connection between each flushing support plate and the branch hole, and the sealability between the flushing support plate and the branch hole can be improved by arranging the sealing block, and the water storage effect of the reservoir can be improved.

Further, two third hydraulic rods are fixedly arranged on both sides of the lower end of the side wall of the reservoir, auxiliary hooks are movably hinged on both sides of the lower end surface of the door frame, and the auxiliary hooks can be clamped with the lower end of the flushing door, and the two third hydraulic rods The output ends of the two auxiliary hooks are respectively hinged on the side away from the mast. By setting the auxiliary hook and the third hydraulic rod, it is beneficial to improve the stability of the connection between the flushing door and the mast. The water pressure is too large and damaged, improve the stability of the system.

Further, two guide plates are vertically arranged on both sides of the lower end of the side wall of the reservoir, arc-shaped guide grooves are symmetrically arranged on the two guide plates, and guide posts are rotated and clamped on both sides of the flushing door. The arc-shaped guide grooves on the two guide plates are slidingly clamped. By setting the guide plate, the flush door will slide in the arc-shaped guide groove with the guide column when the flush door is opened, so as to avoid deformation due to excessive hydraulic impact at the moment the flush door is opened.

Further, the movable sleeve on the guide column is provided with a rotating sleeve, and the end of the arc-shaped guide groove is provided with a buffer block. By arranging the rotating sleeve, it is beneficial to ensure the fluency when the flushing door is opened, and setting the buffer block can reduce the impact from the guide column. buffer.

Further, the door frame is provided with an annular sealing groove, and the flushing door is provided with a sealing bead corresponding to the position of the annular sealing groove. When the flushing door is closed, the sealing bead is clamped inside the annular sealing groove, which is conducive to improving the flushing door. The tightness between the racks ensures that the flushing door has a strong impact of water flow when the flushing door is opened, thereby improving the dredging effect of the dam.

Further, a liquid level sensor is provided inside the reservoir, and the liquid level sensor is electrically connected to the controller. When the water level inside the reservoir reaches the set position of the reservoir, the liquid level sensor is triggered, and the controller controls the water inlet pump to shut down, thereby Always ensure that there is sufficient water storage in the reservoir.

Furthermore, ball bearings are provided at the hinges of the flushing support plate and the support hole, and the flushing door and the door frame. By arranging the ball bearings, the flexibility of opening the flushing support plate and the flushing door can be improved, thereby improving the working efficiency of the system.

Working principle of the present invention is:

First, the reservoir is fixed on the inner side of the dam through the base, and the water inlet pump, the first hydraulic rod, the second hydraulic rod, the third hydraulic rod and the second hydraulic rod of the adjustment motor are respectively connected to the external power supply;

Second, the controller controls the opening of the water inlet pump, and uses the water inlet pump to suck the water stored inside the dam into the reservoir. When the water level inside the reservoir reaches the set position of the reservoir, the liquid level sensor is triggered, and the controller controls the water inlet pump. closure;

Third, when the water stored in the dam is emptied, if there are less pollutants deposited inside the dam, the second hydraulic rod is controlled by the controller to start, and when the output end of the second hydraulic rod moves, the support plate drives each flushing support plate Open at a certain angle, so that the water stored in the reservoir can be used to flush the pollutants deposited inside the dam;

Fourth, when there are many pollutants deposited in the dam, the controller controls the third hydraulic lever to start, and uses the third hydraulic lever to drive the auxiliary hook to rotate at a certain angle, so as to break away from the flushing door, and then controls the first hydraulic lever to start. A hydraulic cylinder drives the locking plate to rotate at a certain angle, so that the locking groove of the locking plate is separated from the locking pin on the flushing door. Contaminants are washed;

Fifth, the controller controls the adjustment motor to start, and the adjustment motor uses the connection between the main gear and the meshing rack to drive the adjustment block to reciprocate in the mounting seat, thereby driving one end of each adjustment plate to reciprocate in the arc-shaped swing groove to realize Continuous change of direction of hydroflushing.

Compared with the prior art, the beneficial effects of the present invention are: the structural design of the present invention is reasonable, and the flow and direction of flushing water for sediment flushing are controllable, which greatly improves the dredging effect and efficiency of the dam project; A locking plate and an auxiliary hook are set at the connection between the flush door and the door frame, which greatly improves the stability and reliability of the connection between the flush door and the door frame, and avoids damage to the flush door by the water pressure in the reservoir; through The guide plate is set so that the flushing door can move along the arc-shaped sliding groove on the guide plate when the flushing door is opened, avoiding a strong impact with the door frame when the flushing door is opened; The invention can select the flow rate of flushing water according to the siltation inside the dam, which improves the practicability of the present invention; by setting the adjusting plate that can move back and forth on the mounting seat, it can play the role of adjusting the direction of hydraulic impact, which is convenient for the inner side of the dam The silt is completely cleaned up, and the dredging efficiency of the present invention is improved.

Description of drawings

Fig. 1 is a structural representation of the present invention;

Fig. 2 is the left view of the present invention;

Fig. 3 is a top view of the present invention;

Fig. 4 is a schematic diagram of the connection between the flushing assembly and the reservoir of the present invention;

Fig. 5 is a schematic structural view of the flushing door of the present invention in an open state;

Fig. 6 is the enlarged schematic diagram of place A in Fig. 1 of the present invention;

Fig. 7 is a schematic diagram of the connection between the flushing support plate and the flushing door of the present invention;

Fig. 8 is a schematic diagram of the internal structure of the mounting seat of the present invention;

Among them, 1-reservoir, 10-base, 11-inlet pump, 12-flush port, 2-flush assembly, 20-door frame, 200-ring seal groove, 201-sealing bead, 21-flush door, 210- Locking pin, 211-guide column, 212-support hole, 213-washing support plate, 2130-sealing block, 214-support plate, 215-second hydraulic rod, 216-limiting sleeve, 22-first hydraulic rod, 23-Locking plate, 230-Locking groove, 24-Guide plate, 240-Arc guide groove, 2400-Buffer block, 25-Third hydraulic rod, 250-Auxiliary hook, 3-Adjustment component, 30-Installation seat , 300-regulating block, 301-engagement rack, 302-arc swing groove, 31-regulating plate, 310-rotating shaft, 311-connecting gear, 32-regulating motor, 320-main gear.

Detailed ways

Embodiment 1: As shown in Figures 1, 2, and 3, a dam engineering anti-silting portal hydraulic flushing system includes a reservoir 1, a flushing component 2, an adjustment component 3 and a controller; the reservoir 1 The lower end is provided with a base 10, the base 10 is provided with a water inlet pump 11, and the outlet end of the water inlet pump 11 is connected to the inner top of the reservoir 1 through a pipeline; the lower end of the side wall of the reservoir 1 is provided with a flushing port 12; the reservoir 1 There is a liquid level sensor inside, and the liquid level sensor is electrically connected to the controller. When the water level inside the reservoir 1 reaches the set position of the reservoir 1, the liquid level sensor is triggered, and the controller controls the water inlet pump 11 to turn off, so as to ensure the storage capacity at all times. There is sufficient water storage capacity inside the pool 1;

As shown in Figures 1, 2, 3, and 4, the flushing assembly 2 includes a door frame 20, a flushing door 21, a first hydraulic rod 22, and a locking plate 23; the door frame 20 is fixedly arranged at the opening of the flush port 12, and the door frame 20 An annular sealing groove 200 is arranged on the top, the upper end of the flushing door 21 is hinged with the upper end of the door frame 20, and a ball bearing is arranged at the hinge joint between the flushing door 21 and the door frame 20. the flexibility of the system, thereby improving the working efficiency of the system; the flushing door 21 is provided with a sealing bead 201 corresponding to the position of the annular sealing groove 200, and when the flushing door 21 is closed, the sealing bead 201 is clamped inside the annular sealing groove 200, which is beneficial to improve The tightness between the flushing door 21 and the door frame 20 ensures that the flushing door 21 has a strong water flow impact force at the moment of opening, thereby improving the dredging effect of the dam; both sides of the lower end of the flushing door 21 are provided with locking pins 210, There are two locking plates 23, guide plates 24 and the first hydraulic plate 22. The two locking plates 23 are respectively rotated and clamped at the lower positions on both sides of the door frame 20. Both locking plates 23 are provided with The locking groove 230, the two locking plates 23 are movably engaged with the two locking pins 210 respectively through the locking groove 230, the two first hydraulic rods 22 are respectively fixed on the door frame 20, and the two first hydraulic The output end of the rod 22 is respectively hinged with two lock plates 23 away from the side of the lock groove 230; two guide plates 24 are vertically arranged on both sides of the lower end of the side wall of the reservoir 1, and the two guide plates 24 are symmetrical. An arc-shaped guide groove 240 is provided, and both sides of the flushing door 21 are rotated and clamped with guide columns 211. The two guide columns 211 are slidingly engaged with the arc-shaped guide grooves 240 on the two guide plates 24. By setting the guide plate 24, The moment the flushing door 21 is opened, the flushing door 21 slides in the arc-shaped guide groove 240 along with the guide column 211, so as to prevent the flushing door 21 from being deformed due to excessive hydraulic shock when the flushing door 21 is opened; The third hydraulic rod 25, the two sides of the lower end surface of the door frame 20 are movably hinged with auxiliary pull hooks 250, the auxiliary pull hooks 250 can be clamped with the lower end of the flushing door 21, and the output ends of the two third hydraulic rods 25 are connected to the two auxiliary pull hooks 250 respectively. The side away from the door frame 20 is movable hinged, and by setting the auxiliary hook 250 and the third hydraulic rod 25, it is beneficial to improve the stability of the connection between the flush door 21 and the door frame 20. Too large and damaged, improve the stability of the system; the movable sleeve on the guide column 211 is provided with a rotating sleeve, and the end of the arc-shaped guide groove 240 is provided with a buffer block 2400. By setting the rotating sleeve, it is beneficial to ensure the fluency when the flushing door 21 is opened , setting the buffer block 2400 can buffer the impact from the guide column 211;

As shown in Figures 1, 3, and 8, the adjustment assembly 3 includes a mounting base 30, an adjusting plate 31 and an adjusting motor 32. The mounting base 30 is fixedly arranged at the lower end of the side wall of the reservoir 1, and is located at the lower end of the flushing port 12. The mounting base 30 An adjustment block 300 is slidingly connected inside, and both sides of the adjustment block 300 are provided with meshing racks 301. On the side of the upper end surface of the mounting base 30 far away from the reservoir 1, there are 4 arc-shaped swing grooves 302 evenly distributed, and the adjustment plate 31 The number corresponds to the arc-shaped swing groove 302. Each adjustment plate 31 is arranged in parallel and is perpendicular to the mounting base 30. Each adjustment plate 31 corresponds to each arc-shaped swing groove 302 in the horizontal direction. Each adjustment plate 31 Both sides of the end face are provided with rotating shafts 310, one of which is slidingly engaged with the corresponding arc-shaped swing groove 302, and the other rotating shaft 310 runs through the mounting seat 30, and a connecting gear 311 is provided, and the connecting gear 311 meshes with one of them The rack 301 is meshed and connected, and the adjusting motor 32 is fixedly arranged inside the mounting seat 30. The output shaft of the regulating motor 32 is provided with a main gear 320, and the main gear 320 is meshed and connected with another meshing rack 301;

The controller is electrically connected with the water inlet pump 11, the first hydraulic rod 22, the third hydraulic rod 25, the adjustment motor 32 and the liquid level sensor; the controller is connected with the water inlet pump 11, the first hydraulic rod 22, and the third hydraulic rod 25 , the regulating motor 32 and the liquid level sensor are all commercially available products.

Embodiment 2: As shown in Figures 1, 2, and 3, a dam engineering anti-silting portal hydraulic flushing system includes a reservoir 1, a flushing component 2, an adjustment component 3 and a controller; the reservoir 1 The lower end is provided with a base 10, the base 10 is provided with a water inlet pump 11, and the outlet end of the water inlet pump 11 is connected to the inner top of the reservoir 1 through a pipeline; the lower end of the side wall of the reservoir 1 is provided with a flushing port 12; the reservoir 1 There is a liquid level sensor inside, and the liquid level sensor is electrically connected to the controller. When the water level inside the reservoir 1 reaches the set position of the reservoir 1, the liquid level sensor is triggered, and the controller controls the water inlet pump 11 to turn off, so as to ensure the storage capacity at all times. There is sufficient water storage capacity inside the pool 1;

As shown in Figures 1, 4, 5, 6, and 7, the flushing assembly 2 includes a door frame 20, a flushing door 21, a first hydraulic rod 22, and a locking plate 23; the door frame 20 is fixedly arranged at the opening of the flushing port 12, and the door The frame 20 is provided with an annular sealing groove 200, and the upper end of the flushing door 21 is hinged with the upper end of the door frame 20. The flushing door 21 is provided with a sealing bead 201 corresponding to the position of the annular sealing groove 200. When the flushing door 21 is closed, the sealing bead 201 It is clamped inside the annular sealing groove 200, which is conducive to improving the sealing between the flushing door 21 and the door frame 20, thereby ensuring that the flushing door 21 has a strong impact force of water flow when the flushing door 21 is opened, thereby improving the dredging effect of the dam; the flushing door Both sides of the lower end of 21 are provided with locking pins 210, and there are two locking plates 23, guide plates 24 and first hydraulic plate 22. position, the two locking plates 23 are provided with locking grooves 230, the two locking plates 23 are respectively engaged with the two locking pins 210 through the locking grooves 230, and the two first hydraulic rods 22 are respectively fixed On the door frame 20, and the output ends of the two first hydraulic rods 22 are respectively hinged with the two locking plates 23 away from the side of the locking groove 230; on the flushing door 21, there are 4 branches evenly distributed from top to bottom. Holes 212, flushing support plates 213 are movably hinged on each branch hole 212, support plates 214 are movably hinged at the lower ends of both sides of each flushing support plate 213, and two second hydraulic rods 215 are fixedly arranged on both sides of the flushing door 21, two The output ends of the second hydraulic rods 215 are hinged with each support plate 214 on the same side, and the lower ends of both sides of the flushing door 21 are provided with limit sleeves 216, and the output ends of the two second hydraulic rods 215 are respectively slidably engaged in the limit sleeves. In 216, when a small amount of pollutants are deposited inside the dam, the controller controls the second hydraulic rod 215 to start, and when the output end of the second hydraulic rod 215 moves, the support plate 214 drives each flushing support plate 213 to open a certain angle, Thereby, the pollutants accumulated inside the dam are flushed by using the water stored in the reservoir 1 to improve the practicability of the system; a sealing block 2130 is provided at the connection between each flushing support plate 213 and the branch hole 212, and by setting the sealing block 2130 , can improve the sealing between the flushing support plate 213 and the support hole 212, and improve the water storage effect of the reservoir 1; two third hydraulic rods 25 are fixedly arranged on both sides of the lower end of the side wall of the reservoir 1, and the door frame 20 Auxiliary hooks 250 are hinged on both sides of the lower end surface, and the auxiliary hooks 250 can be clamped with the lower end of the flushing door 21, and the output ends of the two third hydraulic rods 25 are respectively hinged to the side of the two auxiliary hooks 250 away from the door frame 20. , by setting the auxiliary hook 250 and the third hydraulic rod 25, it is beneficial to improve the stability of the connection between the flush door 21 and the door frame 20, and the flush door 21 is damaged due to excessive water pressure in the locked state, which improves the stability of the system performance; the hinges of the flushing support plate 213 and the support hole 212, the flushing door 21 and the door frame 20 are all provided with ball bearings, and the flushing support plate can be improved by setting the ball bearings. 213. The flexibility when the flushing door 21 is opened, thereby improving the working efficiency of the system;

As shown in Figures 1, 3, and 8, the adjustment assembly 3 includes a mounting base 30, an adjusting plate 31 and an adjusting motor 32. The mounting base 30 is fixedly arranged at the lower end of the side wall of the reservoir 1, and is located at the lower end of the flushing port 12. The mounting base 30 An adjustment block 300 is slidingly connected inside, and both sides of the adjustment block 300 are provided with meshing racks 301. On the side of the upper end surface of the mounting base 30 far away from the reservoir 1, there are 4 arc-shaped swing grooves 302 evenly distributed, and the adjustment plate 31 The number corresponds to the arc-shaped swing groove 302. Each adjustment plate 31 is arranged in parallel and is perpendicular to the mounting base 30. Each adjustment plate 31 corresponds to each arc-shaped swing groove 302 in the horizontal direction. Each adjustment plate 31 Both sides of the end face are provided with rotating shafts 310, one of which is slidingly engaged with the corresponding arc-shaped swing groove 302, and the other rotating shaft 310 runs through the mounting seat 30, and a connecting gear 311 is provided, and the connecting gear 311 meshes with one of them The rack 301 is meshed and connected, and the adjusting motor 32 is fixedly arranged inside the mounting seat 30. The output shaft of the regulating motor 32 is provided with a main gear 320, and the main gear 320 is meshed and connected with another meshing rack 301;

The controller is electrically connected with the water inlet pump 11, the first hydraulic rod 22, the second hydraulic rod 215, the third hydraulic rod 25, the adjusting motor 32 and the liquid level sensor; the controller, the water inlet pump 11, the first hydraulic rod 22, The second hydraulic rod 215, the third hydraulic rod 25, the regulating motor 32 and the liquid level sensor are all commercially available products.

Embodiment 3: As shown in Figures 1, 2, and 3, a dam engineering anti-silting portal hydraulic flushing system includes a reservoir 1, a flushing component 2, an adjustment component 3 and a controller; the reservoir 1 The lower end is provided with a base 10, the base 10 is provided with a water inlet pump 11, and the outlet end of the water inlet pump 11 is connected to the inner top of the reservoir 1 through a pipeline; the lower end of the side wall of the reservoir 1 is provided with a flushing port 12; the reservoir 1 There is a liquid level sensor inside, and the liquid level sensor is electrically connected to the controller. When the water level inside the reservoir 1 reaches the set position of the reservoir 1, the liquid level sensor is triggered, and the controller controls the water inlet pump 11 to turn off, so as to ensure the storage capacity at all times. There is sufficient water storage capacity inside the pool 1;

As shown in Figures 1, 4, 5, 6, and 7, the flushing assembly 2 includes a door frame 20, a flushing door 21, a first hydraulic rod 22, and a locking plate 23; the door frame 20 is fixedly arranged at the opening of the flushing port 12, and the door The frame 20 is provided with an annular sealing groove 200, and the upper end of the flushing door 21 is hinged with the upper end of the door frame 20. The flushing door 21 is provided with a sealing bead 201 corresponding to the position of the annular sealing groove 200. When the flushing door 21 is closed, the sealing bead 201 It is clamped inside the annular sealing groove 200, which is conducive to improving the sealing between the flushing door 21 and the door frame 20, thereby ensuring that the flushing door 21 has a strong impact force of water flow when the flushing door 21 is opened, thereby improving the dredging effect of the dam; the flushing door Both sides of the lower end of 21 are provided with locking pins 210, and four branch holes 212 are uniformly distributed from top to bottom on the flushing door 21, and each branch hole 212 is movably hinged with a flushing support plate 213, and each flushing support plate 213 on both sides The lower end is hinged with a supporting plate 214, and two second hydraulic rods 215 are fixedly arranged on both sides of the flushing door 21. The lower end of the side is provided with a limit sleeve 216, and the output ends of the two second hydraulic rods 215 are respectively slid and clamped in the limit sleeve 216. When a small amount of pollutants are deposited inside the dam, the controller controls the second hydraulic rod 215 to start , when the output end of the second hydraulic rod 215 shrinks, the support plate 214 drives each flushing support plate 213 to open at a certain angle, thereby using the water stored in the reservoir 1 to flush the pollutants accumulated inside the dam, improving the efficiency of the system Practicality: Sealing blocks 2130 are provided at the joints of each flushing support plate 213 and branch hole 212. By setting the sealing block 2130, the sealing between the flushing support plate 213 and the branch hole 212 can be improved, and the storage capacity of the reservoir 1 can be improved. Water effect: there are two locking plates 23, guide plates 24 and the first hydraulic plate 22, and the two locking plates 23 are respectively rotated and clamped at the lower positions on both sides of the door frame 20, and the two locking plates 23 are Both are provided with locking grooves 230, and the two locking plates 23 are respectively engaged with the two locking pins 210 through the locking grooves 230. The two first hydraulic rods 22 are respectively fixed on the door frame 20, and the two The output end of the first hydraulic rod 22 is respectively hinged with the side of the two locking plates 23 away from the locking groove 230; the hinges of the flushing support plate 213 and the support hole 212, the flushing door 21 and the door frame 20 are all provided with ball bearings , by arranging ball bearings, the flexibility when the flushing support plate 213 and the flushing door 21 are opened can be improved, thereby improving the working efficiency of the system; two guide plates 24 are vertically arranged on both sides of the lower end of the side wall of the pool 1, and the two guide plates 24 Symmetrical arc-shaped guide grooves 240 are arranged, and both sides of the flushing door 21 are rotated and clamped with guide columns 211, and the two guide columns 211 are slidingly engaged with the arc-shaped guide grooves 240 on the two guide plates 24. , the moment the flushing door 21 is opened, the flushing door 21 slides in the arc-shaped guide groove 240 along with the guide column 211, so as to prevent the flushing door 21 from being exposed to water when the flushing door 21 is opened. The force impact is too large and deformed; the movable sleeve on the guide column 211 is provided with a rotating sleeve, and the end of the arc-shaped guide groove 240 is provided with a buffer block 2400. By arranging the rotating sleeve, it is beneficial to ensure the fluency when the flushing door 21 is opened, and the buffer block is provided The 2400 can buffer the impact from the guide column 211; two third hydraulic rods 25 are fixedly arranged on both sides of the lower end of the side wall of the reservoir 1, and auxiliary drag hooks 250 are movably hinged on both sides of the lower end surface of the door frame 20, and the auxiliary drag hooks 250 It can be clamped with the lower end of the flushing door 21, and the output ends of the two third hydraulic rods 25 are respectively hinged with the two auxiliary hooks 250 on the side away from the door frame 20. By setting the auxiliary hooks 250 and the third hydraulic rod 25, it is beneficial to Improve the stability of the connection between the flushing door 21 and the door frame 20, and the flushing door 21 will be damaged due to excessive water pressure in the locked state, so as to improve the stability of the system;

As shown in Figures 1, 3, and 8, the adjustment assembly 3 includes a mounting base 30, an adjusting plate 31 and an adjusting motor 32. The mounting base 30 is fixedly arranged at the lower end of the side wall of the reservoir 1, and is located at the lower end of the flushing port 12. The mounting base 30 An adjustment block 300 is slidingly connected inside, and both sides of the adjustment block 300 are provided with meshing racks 301. There are 3-5 arc-shaped swing grooves 302 evenly distributed on the side of the upper end surface of the mounting seat 30 away from the reservoir 1, and the adjustment plate The number of 31 corresponds to the arc-shaped swing groove 302. Each adjustment plate 31 is arranged in parallel and is perpendicular to the mounting seat 30. Each adjustment plate 31 corresponds to each arc-shaped swing groove 302 in the horizontal direction. Each adjustment plate Both sides of the lower end surface of 31 are provided with rotating shafts 310, one of which is slidingly engaged with the corresponding arc-shaped swing groove 302, and the other rotating shaft 310 runs through the mounting seat 30, and a connecting gear 311 is provided, and the connecting gear 311 is connected to the mounting seat 30. One meshing rack 301 is meshingly connected, and the adjusting motor 32 is fixedly arranged inside the installation seat 30. The output shaft of the regulating motor 32 is provided with a main gear 320, and the main gear 320 is meshingly connected with another meshing rack 301;

The controller is electrically connected with the water inlet pump 11, the first hydraulic rod 22, the second hydraulic rod 215, the third hydraulic rod 25, the adjusting motor 32 and the liquid level sensor; the controller, the water inlet pump 11, the first hydraulic rod 22, The second hydraulic rod 215, the third hydraulic rod 25, the regulating motor 32 and the liquid level sensor are all commercially available products.

Claims (5)

1. An anti-silting portal hydraulic flushing system for dam engineering, characterized in that it includes a reservoir (1), a flushing component (2), an adjustment component (3) and a controller; the reservoir ( 1) A base (10) is provided at the lower end, and a water inlet pump (11) is arranged on the base (10), and the water outlet end of the water inlet pump (11) communicates with the inner top of the water storage tank (1) through a pipe; A flush port (12) is provided at the lower end of the side wall of the pool (1); Two guide plates (24) are vertically arranged on both sides of the lower end of the side wall of the reservoir (1), and arc-shaped guide grooves (240) are symmetrically arranged on the two guide plates (24). A guide column (211) is connected to both sides for rotation, and the two guide columns (211) are slidingly engaged with the arc-shaped guide grooves (240) on the two guide plates (24); The flushing assembly (2) includes a door frame (20), a flushing door (21), a first hydraulic rod (22) and a locking plate (23); the door frame (20) is fixedly arranged at the flushing port (12) At the opening, the upper end of the flushing door (21) is hinged with the upper end of the door frame (20), and both sides of the lower end of the flushing door (21) are provided with locking pins (210). The locking plate (23), guide plate (24) and the first hydraulic rod (22) are provided with two, and the two locking plates (23) are respectively rotated and clamped at the lower positions on both sides of the door frame (20). The two locking plates (23) Both are provided with locking grooves (230), and the two locking plates (23) are respectively engaged with the two locking pins (210) through the locking grooves (230), and the two first hydraulic rods ( 22) They are respectively fixed on the door frame (20), and the output ends of the two first hydraulic rods (22) are respectively hinged to the sides of the two locking plates (23) away from the locking groove (230); The adjustment assembly (3) includes an installation base (30), an adjustment plate (31) and an adjustment motor (32), the installation base (30) is fixedly arranged at the lower end of the side wall of the reservoir (1), and is At the lower end of the flush port (12), an adjustment block (300) is slidingly clamped inside the installation seat (30). The two sides of the adjustment block (300) are provided with meshing racks (301), and the upper end surface of the installation seat (30) is far away from There are 3-5 arc-shaped swinging grooves (302) evenly distributed on one side of the reservoir (1), and the number of the adjusting plates (31) corresponds to the arc-shaped swinging grooves (302). They are arranged in parallel and are perpendicular to the mounting bases (30). Each adjustment plate (31) corresponds to each arc-shaped swing groove (302) in the horizontal direction. Both sides of the lower end surface of each adjustment plate (31) are provided with The rotating shafts (310), one of the rotating shafts (310) is slidingly engaged with the corresponding arc-shaped swing groove (302), the other rotating shaft (310) runs through the mounting seat (30), and a connecting gear (311) is set, so The connecting gear (311) is meshed with one of the meshing racks (301), the adjusting motor (32) is fixed inside the mounting base (30), and the output shaft of the adjusting motor (32) is provided with a main gear (320 ), the main gear (320) is meshed with another meshing rack (301); The controller is electrically connected to the water inlet pump (11), the first hydraulic lever (22) and the regulating motor (32); There are 3-6 branch holes (212) evenly distributed on the flushing door (21) from top to bottom, each of the branch holes (212) is movably hinged with a flushing support plate (213), each of the flushing branches The lower ends of both sides of the plate (213) are movably hinged with supporting plates (214), and two second hydraulic rods (215) are fixedly arranged on both sides of the flushing door (21), and the output of the two second hydraulic rods (215) The end and each support plate (214) on the same side are movable hinged, and the lower ends of both sides of the flushing door (21) are provided with limit sleeves (216), and the output ends of the two second hydraulic rods (215) are respectively slid and clamped on the limit sleeves. In the bit sleeve (216), a sealing block (2130) is provided at the connection between each of the flushing support plates (213) and the support holes (212); Two third hydraulic rods (25) are fixed on both sides of the lower end of the side wall of the reservoir (1), and auxiliary hooks (250) are movably hinged on both sides of the lower end of the door frame (20). The hook (250) can be engaged with the lower end of the flushing door (21), and the output ends of the two third hydraulic rods (25) are respectively hinged to the sides of the two auxiliary hooks (250) away from the door frame (20). 2. The anti-silting portal hydraulic flushing system for dam engineering according to claim 1, characterized in that the movable sleeve on the guide column (211) is provided with a rotating sleeve, and the arc-shaped guide groove ( 240) is provided with a buffer block (2400) at the end. 3. The anti-silting portal hydraulic flushing system for dam engineering according to claim 1, characterized in that, the portal frame (20) is provided with an annular sealing groove (200), and the flushing door ( 21) is provided with a sealing bead (201) corresponding to the position of the annular sealing groove (200). 4. The anti-silting portal hydraulic flushing system for dam engineering according to claim 1, characterized in that a liquid level sensor is installed inside the reservoir (1), and the liquid level sensor is connected with the control electrical connection. 5. A portal type hydraulic flushing system for dam engineering anti-siltation according to claim 1, characterized in that, the flushing support plate (213) and the support hole (212), the flushing door (21) and the door Frame (20) hinges are all provided with ball bearings.

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