Automatic garbage cleaning mechanism for water conservancy project

Abstract

The application discloses a garbage automatic cleaning mechanism for water conservancy projects, which comprises a garbage automatic cleaning mechanism body fixedly installed in a water conservancy ditch, wherein the garbage automatic cleaning mechanism body comprises a residue supporting plate fixedly connected between the front side inner wall and the rear side inner wall of the water conservancy ditch, and two first supports are fixedly connected to the top left side of the residue supporting plate. The garbage automatic cleaning mechanism does not need to use power-driven equipment to operate, can impact the water wheel blades with the kinetic energy of water flow when the water flows, and then drive the trash tooth harrow to rotate and clean trash, so that the garbage automatic cleaning mechanism can realize 24-hour continuous driving rotation and trash cleaning, thereby saving the electric energy cost while cleaning the flowing water in real time. The garbage automatic cleaning mechanism can automatically adjust the trash cleaning height according to the water level height, prevent the trash tooth harrow from being separated from the water surface, and does not need personnel to frequently observe and adjust the installation position, so that the garbage automatic cleaning mechanism is convenient to use, saves time and effort, and reduces the labor cost.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of water surface garbage cleaning, and particularly relates to a garbage automatic cleaning mechanism for water conservancy projects. BACKGROUND

[0002] In water conservancy ditch of water supply drinking, water diversion power generation and agricultural irrigation, the garbage floating on the water surface will be blocked in the ditch along with the water flow, causing important equipment such as water plants, hydropower stations and pump stations to stop running or be damaged, and the garbage in the ditch for a long time will affect the water quality of the water body; the existing solution is to use an electric trash cleaner to clean the trash when the water flows; the traditional electric trash cleaner is composed of an electric drive device, a rack, a main shaft, a grid, a residue supporting plate, a tooth harrow and a traction chain, and needs to be driven by the motor, the driving shaft drives the traction chain to rotate, the trash cleaning tooth harrow and the grid fixed on the traction chain also rotate with the traction chain, the garbage is grabbed by the trash cleaning tooth harrow and is transmitted and then falls on the residue supporting plate, and then the trash cleaning tooth harrow and the grid continue to rotate to the lower part, so as to realize mechanical trash cleaning under the action of electricity.

[0003] The existing trash cleaner has the following disadvantages:

[0004] 1. The trash cleaning work of the existing trash cleaner completely depends on the electric drive trash cleaning tooth harrow rotating operation, and in the 24-hour uninterrupted operation cleaning work, a lot of electricity is consumed, and the power distribution cost is high.

[0005] 2. Due to different time periods or water resource factors, the water level of the flowing water changes, and then the height of the garbage floating on the water surface changes, and when the water level is low, the phenomenon of separation between the water surface and the trash cleaning tooth harrow occurs, and personnel need to be observed and adjusted frequently, which is complicated, time-consuming and labor-intensive, and increases the labor cost; in view of the above phenomenon, the garbage automatic cleaning mechanism for water conservancy projects is proposed. SUMMARY

[0006] Based on the technical problems existing in the background technology, the garbage automatic cleaning mechanism for water conservancy projects is proposed.

[0007] The utility model provides a rubbish automatic cleaning mechanism for hydraulic engineering, including fixedly installed rubbish automatic cleaning mechanism body in water conservancy ditch, rubbish automatic cleaning mechanism body includes the residue board of fixedly connected between water conservancy ditch front side inner wall and rear side inner wall, set's residue board is used for supporting and placing rubbish, the top left side of residue board is fixedly connected with two first supports, the left of residue board is equipped with two second supports, two first supports and two second supports are all rotatably connected with transmission shaft, the outside of transmission shaft at left side is fixedly connected with multiple water wheel blades, two transmission shafts are rotatably installed with two connecting rods, the setting of multiple water wheel blades is used for autorotation and drive transmission shaft rotation when being impacted by water power, and water wheel blade is adjustable angle blade;

[0008] The same linkage assembly is fixedly sleeved on the two transmission shafts, the linkage assembly is fixedly sleeved with the inclined fence strip on the outside, a plurality of pollution cleaning tooth harrows are fixedly connected on the outside of the fence strip at equal intervals, the linkage assembly is used for ensuring that the two transmission shafts rotate synchronously and driving the fence strip and the pollution cleaning tooth harrow to rotate when the transmission shaft rotates, so as to realize that the rubbish floating on the water surface is turned over and poured on the residue board by the rotating pollution cleaning tooth harrow.

[0009] The top of the water conservancy ditch is fixedly installed with a pollution cleaning height self-adjusting mechanism, the bottom of the pollution cleaning height self-adjusting mechanism is fixedly connected with the top of the two second supports, the pollution cleaning height self-adjusting mechanism comprises a fixed plate fixedly connected at the top of the water conservancy ditch, a lifting plate is arranged above the fixed plate, a threaded driving guide assembly is installed at the bottom of the lifting plate, the fixed plate is sleeved on the threaded driving guide assembly, a drive motor is fixedly installed at the top of the lifting plate and fixedly connected with the top end of the threaded driving guide assembly, a controller is fixedly and electrically connected in front of the drive motor, and the threaded driving guide assembly is used for driving the lifting plate to move up and down.

[0010] The bottom end of the threaded driving guide assembly is installed with a buoyancy control assembly electrically connected with the controller, the buoyancy control assembly is used for sensing the position of the water surface and transmitting a control signal to the controller, so as to realize the automatic start-stop control of the drive motor by the controller; a pull connection assembly is fixedly connected between the bottom right side of the lifting plate and the top of the two second supports, and the pull connection assembly is used for driving the two second supports to move up and down when the lifting plate moves up and down.

[0011] Preferably, the linkage assembly comprises four transmission gears and two traction chains, the two transmission gears on the right side are fixedly sleeved on the transmission shaft on the right side, the two transmission gears on the left side are fixedly sleeved on the transmission shaft on the left side, the traction chains are drivingly connected on the corresponding two transmission gears opposite to each other, the fence strip is fixedly connected on the outside of the two traction chains, and the four transmission gears and the two traction chains are arranged in cooperation, so as to ensure that the two transmission shafts rotate synchronously and drive the fence strip and the pollution cleaning tooth harrow to rotate when the transmission shaft rotates.

[0012] Preferably, the screw drive guide assembly comprises four guide rods and a screw rod, the four guide rods are fixedly connected in a rectangular shape at the bottom of the lifting plate, the screw rod is rotatably connected at the bottom of the lifting plate, the top end of the screw rod is fixedly connected with the bottom end of the output shaft of the driving motor, the fixed plate is slidably sleeved on the four guide rods, the fixed plate is threadedly sleeved on the screw rod, the four guide rods and the screw rod are arranged in cooperation to achieve the effect that the lifting plate moves up and down when the screw rod rotates in the fixed plate.

[0013] Preferably, the buoyancy control assembly comprises a connecting plate, two T-shaped guide rods, a first touch switch, a second touch switch and a hollow floating plate, the top of the connecting plate is fixedly connected with the bottom end of the guide rod located at the left rear side of the four guide rods, and the top of the connecting plate is rotatably connected with the bottom end of the screw rod.

[0014] The first touch switch is embedded and fixed at the bottom of the connecting plate, the bottom of the first touch switch is a touch end and is in movable contact with the top of the hollow floating plate, the two T-shaped guide rods are fixedly connected with the top of the hollow floating plate, the connecting plate is slidably sleeved on the two T-shaped guide rods, the bottom of the second touch switch is fixedly connected with the top of the connecting plate on the left side, the second touch switch cooperates with the top inner wall of the T-shaped guide rod on the left side, and the first touch switch and the second touch switch are electrically connected with the controller. The connecting plate, the two T-shaped guide rods, the first touch switch, the second touch switch and the hollow floating plate are arranged in cooperation, when the water level rises and the hollow floating plate is floated to press the first touch switch, the first touch switch transmits an opening signal to the controller for controlling the driving motor to start in the forward direction, and transmits a closing signal to the controller when the pressing force is removed, when the water level decreases and the hollow floating plate and the T-shaped guide rod move downward under the weight to press the second touch switch, the second touch switch transmits a reverse start signal to the controller.

[0015] Preferably, the lifting connection assembly comprises two support rods, a U-shaped seat and a rectangular plate, the top ends of the two support rods are fixedly connected with the bottom right side of the lifting plate, the top of the U-shaped seat is fixedly connected with the bottom ends of the two support rods, four ball bearings are embedded in the top inner wall and the bottom inner wall of the U-shaped seat in a rectangular shape, the rectangular plate is located in the U-shaped seat, the top and the bottom of the rectangular plate are in movable contact with the corresponding four ball bearings respectively, and the bottom of the rectangular plate is fixedly connected with the top of the two second supports. The two support rods, the U-shaped seat and the rectangular plate are arranged in cooperation to achieve the effect that the two second supports move up and down when the lifting plate moves up and down, so that the height of the left side of the transmission shaft and the left side of the fence strip can be changed by using the two second supports, and the cleaning height can be automatically changed when the water level changes.

[0016] Preferably, the first bearings are fixedly connected on the side close to the two first supports and the side close to the two second supports, and the inner ring of the first bearing is fixedly sleeved with the outer side of the corresponding transmission shaft.

[0017] Preferably, the two ends of the connecting rod are fixedly connected with second bearings, and the inner rings of the second bearings are fixedly sleeved with the outer sides of the corresponding transmission shafts.

[0018] Preferably, the top left side and the bottom left side of the fixed plate are fixedly connected with limit micro switches electrically connected with the controller, the upper limit micro switch is matched with the bottom left side of the lifting plate, and the lower limit micro switch is matched with the top left side of the connecting plate.

[0019] Preferably, the top of the fixed plate is provided with four guide holes and threaded holes, the inner walls of the guide holes are slidingly connected with the outer sides of the corresponding guide rods, and the threaded holes are threadedly connected with the threaded rods.

[0020] Preferably, the number of the water wheel blades in each group is four, and the four water wheel blades in the same group are fixedly connected with the outer side of the left transmission shaft in a ring shape at equal intervals.

[0021] Compared with the prior art, the present application has the following advantages:

[0022] 1. The water wheel blades, the transmission shafts, the linkage assemblies, the bar strips and the trash tooth rakes are matched, when water flows right in the water conservancy ditch, the water flow driving force is used to drive the water wheel blades to rotate, so that the bar strips and the trash tooth rakes are further driven to rotate to clean the water surface garbage to the residue plate, the effect of automatically cleaning the trash by the water flow is realized, and the trash is rotated and cleaned without using the power driven equipment for 24 hours, the trash is cleaned in real time while the rotating driving power of the trash is saved;

[0023] 2. The driving motor, the controller, the threaded driving guide assembly, the buoyancy control assembly and the lifting plate are matched, the driving motor is automatically controlled to be started in the forward direction or the reverse direction when the water level rises or falls, so that the threaded driving guide assembly is further matched to automatically control the lifting plate to move up and down;

[0024] 3. The lifting plate, the lifting connection assembly, the second support, the transmission shaft, the water wheel blade, the bar strip and the trash tooth rake are matched, the left side of the transmission shaft and the bar strip is automatically adjusted up and down when the lifting plate moves up and down, so that the trash cleaning height is automatically adjusted according to the flowing water level, the phenomenon that the trash tooth rake is separated from the water surface during trash cleaning is prevented, the degree of automation is high, personnel need not observe and adjust the installation position frequently, so that personnel only need to clean the garbage on the residue plate regularly, time and labor are saved.

[0025] The garbage automatic cleaning mechanism for water conservancy projects provided by the present application does not need to utilize electric power to drive the device to operate, can utilize the kinetic energy of water flow to impact the water wheel blades when the water flows, and then drive the trash rake to rotate and clean trash, so that the trash can be continuously driven and rotated for 24 hours to clean the flowing water body in real time while saving the electric power cost, the mechanism can automatically adjust the trash cleaning height according to the water level height, prevent the trash rake from separating from the water surface, and does not need personnel to frequently observe and adjust the installation position, so that the mechanism is convenient to use, saves time and effort, and reduces the labor cost. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 A sectional view structural schematic diagram of a garbage automatic cleaning mechanism for water conservancy projects is provided in the present application;

[0027] Figure 2 A top view structural schematic diagram of a garbage automatic cleaning mechanism for water conservancy projects is provided in the present application;

[0028] Figure 3 A Figure 2 A structural schematic diagram of a trash cleaning height self-adjusting mechanism in an uninstalled state is provided in the present application;

[0029] Figure 4 A Figure 3 A structural schematic diagram of a column strip in an uninstalled state is provided in the present application;

[0030] Figure 5 A Figure 1 An enlarged sectional view structural schematic diagram of part A in the present application is provided;

[0031] Figure 6 A left view structural schematic diagram of a transmission shaft, connecting rod, water wheel blade and linkage assembly connecting piece of a garbage automatic cleaning mechanism for water conservancy projects is provided in the present application.

[0032] In the figure: 1, water conservancy ditch; 2, residue supporting plate; 3, first support; 4, second support; 5, transmission shaft; 6, transmission gear; 7, traction chain; 8, connecting rod; 9, column strip; 10, trash rake; 11, water wheel blade; 12, second bearing; 13, first bearing; 14, fixed plate; 15, lifting plate; 16, support rod; 17, U-shaped seat; 18, ball; 19, rectangular plate; 20, connecting plate; 21, screw rod; 22, guide rod; 23, driving motor; 24, controller; 25, first touch switch; 26, hollow floating plate; 27, T-shaped guide rod; 28, second touch switch; 29, limit touch switch; 30, threaded hole. DETAILED DESCRIPTION

[0033] The present application will be further described below in combination with specific embodiments. EMBODIMENT

[0034] Reference Figures 1-6The embodiment provides a garbage automatic cleaning mechanism for water conservancy projects, which comprises a garbage automatic cleaning mechanism body fixedly installed in a water conservancy ditch 1, the garbage automatic cleaning mechanism body comprises a residue supporting plate 2 fixedly connected between the front side inner wall and the rear side inner wall of the water conservancy ditch 1, the residue supporting plate 2 is arranged to support and place garbage, two first supports 3 are fixedly connected to the top left side of the residue supporting plate 2, two second supports 4 are arranged on the left side of the residue supporting plate 2, a transmission shaft 5 is rotationally connected between the two first supports 3 and the two second supports 4, a first bearing 13 is fixedly connected to the side close to the two first supports 3 and the side close to the two second supports 4, the inner ring of the first bearing 13 is fixedly sleeved with the outer side of the corresponding transmission shaft 5, and the transmission shaft 5 is rotationally supported, a plurality of groups of water wheel blades 11 are fixedly connected to the outer side of the transmission shaft 5 on the left side, the number of water wheel blades 11 in each group is four, the four water wheel blades 11 in the same group are fixedly connected to the outer side of the transmission shaft 5 on the left side in a ring shape at equal intervals, two connecting rods 8 are rotationally installed on the two transmission shafts 5, second bearings 12 are fixedly connected to the two ends of the connecting rod 8, the inner ring of the second bearing 12 is fixedly sleeved with the outer side of the corresponding transmission shaft 5, and the connecting rod 8 is rotationally supported, the plurality of groups of water wheel blades 11 are arranged to rotate and drive the transmission shaft 5 to rotate when being impacted by water conservancy, and the water wheel blade 11 is an angle-adjustable blade;

[0035] The same linkage assembly is fixedly sleeved on the two transmission shafts 5, the linkage assembly is fixedly sleeved with an obliquely arranged rail strip 9 on the outer side, a plurality of trash tooth rakes 10 are fixedly connected to the outer side of the rail strip 9 at equal intervals, the linkage assembly is used for ensuring that the two transmission shafts 5 synchronously rotate and driving the rail strip 9 and the trash tooth rake 10 to rotate when the transmission shaft 5 rotates, wherein the linkage assembly comprises four transmission gears 6 and two traction chains 7, the two transmission gears 6 on the right side are fixedly sleeved on the transmission shaft 5 on the right side, the two transmission gears 6 on the left side are fixedly sleeved on the transmission shaft 5 on the left side, the traction chain 7 is transmissionally connected to the corresponding two transmission gears 6 opposite to each other, the rail strip 9 is fixedly connected to the outer side of the two traction chains 7, the four transmission gears 6 and the two traction chains 7 are arranged in cooperation, can ensure that the two transmission shafts 5 synchronously rotate, and can drive the rail strip 9 and the trash tooth rake 10 to rotate when the transmission shaft 5 rotates, so as to realize that the garbage floating on the water surface is turned over to the residue supporting plate 2 by using the rotating trash tooth rake 10;

[0036] The top of the water conservancy ditch 1 is fixedly provided with a trash height self-adjusting mechanism, the bottom of the trash height self-adjusting mechanism is fixedly connected with the top of the two second supports 4, the trash height self-adjusting mechanism comprises a fixed plate 14 fixedly connected to the top of the water conservancy ditch 1, an upper portion of the fixed plate 14 is provided with a lifting plate 15, the bottom of the lifting plate 15 is provided with a threaded driving guide assembly, the fixed plate 14 is sleeved on the threaded driving guide assembly, the top of the lifting plate 15 is fixedly provided with a driving motor 23 with the top end of the threaded driving guide assembly fixedly connected, the front side of the driving motor 23 is fixedly and electrically connected with a controller 24, the threaded driving guide assembly is used for driving the lifting plate 15 to move up and down, wherein the threaded driving guide assembly comprises four guide rods 22 and a screw rod 21, the four guide rods 22 are fixedly connected to the bottom of the lifting plate 15 in a rectangular shape, the screw rod 21 is rotatably connected to the bottom of the lifting plate 15, wherein the bottom of the lifting plate 15 is fixedly connected with a third bearing, the inner side of the inner ring of the third bearing is fixedly connected with the outer side of the screw rod 21, the screw rod 21 is rotatably connected to the bottom of the lifting plate 15 through the third bearing, which plays a role in supporting the rotation of the lifting plate 15, the top end of the screw rod 21 is fixedly connected with the bottom end of the output shaft of the driving motor 23, the fixed plate 14 is slidably sleeved on the four guide rods 22, the fixed plate 14 is threadedly sleeved on the screw rod 21, the top of the fixed plate 14 is provided with four guide holes and a threaded hole 30, the inner wall of the guide hole is slidably connected with the outer side of the corresponding guide rod 22, the threaded hole 30 is threadedly connected with the screw rod 21, the guide hole plays a role in vertically slidingly guiding the guide rod 22, the threaded hole 30 and the screw rod 21 are threadedly connected, which plays a role in conveniently rotating the screw rod 21 in the threaded hole 30 and moving up and down, the four guide rods 22 and the screw rod 21 are arranged in cooperation to realize the effect that the lifting plate 15 moves up and down when the screw rod 21 rotates in the fixed plate 14;

[0037] The bottom end of the left rear guide rod 22 is provided with a buoyancy control assembly electrically connected with the controller 24, which is used for sensing the water level position and transmitting a control signal to the controller 24 to realize the automatic start-stop control of the driving motor 23 by the controller 24. The driving motor 23 is connected with the mains, and is a micro driving motor, which needs much less electricity than the traditional electric trash cleaner. The buoyancy control assembly comprises a connecting plate 20, two T-shaped guide rods 27, a first micro switch 25, a second micro switch 28 and a hollow floating plate 26. The top of the connecting plate 20 is fixedly connected with the bottom end of the left rear guide rod 22 among the four guide rods 22. The top of the connecting plate 20 is rotatably connected with the bottom end of the screw rod 21. The top right side of the connecting plate 20 is fixedly connected with a fourth bearing, and the inner ring of the fourth bearing is fixedly sleeved with the outer side of the screw rod 21, thereby achieving the effect of rotatably supporting the screw rod 21. The first micro switch 25 is embeddedly fixed on the bottom of the connecting plate 20, and the bottom of the first micro switch 25 is a touch end and is movably contacted with the top of the hollow floating plate 26. The two T-shaped guide rods 27 are fixedly connected with the top of the hollow floating plate 26. The connecting plate 20 is slidably sleeved on the two T-shaped guide rods 27. Two guide holes are formed in the top of the connecting plate 20 and are slidably connected with the outer sides of the corresponding T-shaped guide rods 27. The connecting plate 20 is slidably sleeved on the two T-shaped guide rods 27 through the two guide holes, thereby achieving the effect of vertically slidingly guiding the T-shaped guide rods 27. The bottom of the second micro switch 28 is fixedly connected with the top left side of the connecting plate 20, and the second micro switch 28 is matched with the top inner wall of the left T-shaped guide rod 27. The first micro switch 25 and the second micro switch 28 are electrically connected with the controller 24. When the hollow floating plate 26 is floated up by the rising water level and presses the first micro switch 25, the first micro switch 25 transmits an opening signal to the controller 24 for controlling the forward start of the driving motor 23, and transmits a closing signal to the controller 24 when the pressing force is removed. When the hollow floating plate 26 and the T-shaped guide rod 27 are lowered by the self-weight due to the lowering of the water level and press the second micro switch 28, the second micro switch 28 transmits a reverse start signal to the controller 24, thereby achieving the effect of automatically controlling the start-stop of the driving motor 23 according to the water level.

[0038] The bottom right side of the lifting plate 15 is fixedly connected with the top of the two second supports 4, and a lifting connection assembly is arranged between the bottom right side of the lifting plate 15 and the top of the two second supports 4, and the lifting connection assembly is used to drive the two second supports 4 to move up and down when the lifting plate 15 moves up and down, wherein the lifting connection assembly comprises two supporting rods 16, a U-shaped seat 17 and a rectangular plate 19, the top end of each of the two supporting rods 16 is fixedly connected with the bottom right side of the lifting plate 15, the top of the U-shaped seat 17 is fixedly connected with the bottom end of the two supporting rods 16, four ball bearings 18 are embedded in the top inner wall and the bottom inner wall of the U-shaped seat 17 in a rectangular shape, the rectangular plate 19 is located in the U-shaped seat 17, the top and the bottom of the rectangular plate 19 are in movable contact with the corresponding four ball bearings 18 respectively, and the bottom of the rectangular plate 19 is fixedly connected with the top of the two second supports 4; the two supporting rods 16, the U-shaped seat 17 and the rectangular plate 19 are arranged in cooperation, so that the two second supports 4 are driven to move up and down when the lifting plate 15 moves up and down, so that the height of the transmission shaft 5 on the left side can be changed by using the two second supports 4, and then the height of the water wheel blade 11 and the bar strip 9 on the left side can be further changed, so that the cleaning height can be automatically changed when the water level height is changed.

[0039] The top left side and the bottom left side of the fixed plate 14 are fixedly connected with limit micro switches 29 which are electrically connected with the controller 24, the upper limit micro switch 29 is matched with the bottom left side of the lifting plate 15, and the lower limit micro switch 29 is matched with the top left side of the connecting plate 20, wherein when the limit micro switch 29 is pressed and touched, a shutdown signal is transmitted to the controller 24, so as to prevent the phenomenon that the driving motor 23 is continuously controlled to be turned on when the water level is too high or too low and exceeds the maximum and minimum limits; the present application does not need to use power-driven equipment to run, can use the kinetic energy of water flow to impact the water wheel blade 11 when the water flows, and then drive the pollution cleaning tooth harrow 10 to rotate and clean pollution, so that 24-hour continuous driving rotation cleaning can be realized, so that the water body flowing can be cleaned in real time while saving the cost of electric energy, the mechanism can automatically adjust the pollution cleaning height according to the water level height, prevent the phenomenon that the pollution cleaning tooth harrow 10 is separated from the water surface, and does not need personnel to frequently observe and adjust the installation position, is convenient to use, saves time and effort, and reduces labor cost.

[0040] In this embodiment, when the water flows right in the water ditch 1, it will impact on multiple groups of water wheel blades 11. Under the impact, the multiple water wheel blades 11 rotate and drive the left transmission shaft 5 to rotate. The left transmission shaft 5 drives the two left transmission gears 6 to rotate. The two left transmission gears 6 drive the two right transmission gears 6 to rotate through the two traction chains 7. The two right transmission gears 6 drive the right transmission shaft 5 to rotate. The traction chain 7 in the transmission also drives the rail strip 9 to rotate. The rail strip 9 drives the multiple trash tooth harrows 10 to rotate. The multiple trash tooth harrows 10 in the transmission turn the garbage floating on the water surface to the right and up. When they rotate downward, the garbage falls on the residue holding plate 2. In this way, the garbage is turned up and down repeatedly. The effect of automatically cleaning the garbage by the water flow impact is achieved. It is not necessary to use electric driving equipment to drive the rotation to clean the garbage for 24 hours. The garbage can be cleaned in real time while the flowing water is saved. The rotating driving electric energy for cleaning the garbage is saved.

[0041] When the water level in the water conservancy ditch 1 increases, the water floats up the hollow floating plate 26, and the upward moving hollow floating plate 26 presses and triggers the first micro switch 25. The triggered and opened first micro switch 25 transmits a forward starting signal to the controller 24, the controller 24 controls the driving motor 23 to start forward, so that the driving motor 23 drives the screw rod 21 to rotate, the screw rod 21 rotates in the threaded hole 30 and moves upward, at this time, the screw rod 21 drives the lifting plate 15 to move upward, the lifting plate 15 drives the four guide rods 22 to move upward, at the same time, the lifting plate 15 drives the rectangular plate 19 to move upward in turn through the support rod 16, the U-shaped seat 17 and the ball 18, the rectangular plate 19 drives the two second supports 4 to move upward, the second support 4 drives the left transmission shaft 5 to move upward, the left transmission shaft 5 drives the plurality of water wheel blades 11 and the left side of the fence strip 9 to move upward, wherein the guide rod 22 moves upward and drives the connecting plate 20 to move upward, the connecting plate 20 drives the first micro switch 25 to move upward to separate from the hollow floating plate 26 to release the pressing state, at this time, the first micro switch 25 transmits a closing signal to the controller 24, the controller 24 controls the driving motor 23 to close, and when the water level decreases, the hollow floating plate 26 and the T-shaped guide rod 27 move downward under the action of gravity and press and trigger the second micro switch 28, the triggered and opened second micro switch 28 transmits a reverse starting signal to the controller 24, the controller 24 controls the driving motor 23 to start in reverse, and the movement direction of the driving motor 23 is completely opposite to that of the forward starting, at this time, the left transmission shaft 5, the left side of the fence strip 9 and the connecting plate 20 all change to move downward, the hollow floating plate 26 moves downward to contact the water surface and is supported by the water surface, at this time, the connecting plate 20 continues to move downward and drives the second micro switch 28 to separate from the T-shaped guide rod 27 to release the pressing state, at this time, the second micro switch 28 transmits a closing signal to the controller 24 to make the controller 24 control the driving motor 23 to close, so that the left transmission shaft 5 and the left side of the fence strip 9 can be automatically adjusted upward and downward, so that the cleaning height can be automatically adjusted according to the water level, and the phenomenon that the cleaning rake 10 is separated from the water surface is prevented, and personnel do not need to frequently observe and adjust the installation position, so that personnel only need to regularly clean the garbage on the residue supporting plate, which is convenient, saves time and effort and reduces labor cost.

[0042] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited thereto, any person skilled in the art can make equivalent replacement or change within the technical range disclosed by the present application according to the technical solution and inventive concept of the present application, which should be covered within the protection scope of the present application.

Claims

1. An automatic garbage cleaning mechanism for water conservancy projects, comprising an automatic garbage cleaning mechanism body fixedly installed in a water conservancy ditch (1), characterized in that, The automatic garbage cleaning mechanism body comprises a residue supporting plate (2) fixedly connected between the front side inner wall and the rear side inner wall of the water ditch (1), two first supports (3) fixedly connected to the top left side of the residue supporting plate (2), two second supports (4) arranged left to the residue supporting plate (2), a transmission shaft (5) rotationally connected between the two first supports (3) and the two second supports (4), a plurality of water wheel blades (11) fixedly connected to the outer side of the transmission shaft (5) located at the left side, and two connecting rods (8) rotationally installed on the two transmission shafts (5); The same linkage assembly is fixedly sleeved on the two transmission shafts (5), the linkage assembly is fixedly sleeved with a bar strip (9) arranged obliquely on the outer side, and a plurality of trash cleaning rakes (10) are fixedly connected to the outer side of the bar strip (9) at equal intervals; The water ditch (1) is fixedly provided with a trash cleaning height self-adjusting mechanism at the top, the bottom of the trash cleaning height self-adjusting mechanism is fixedly connected with the top of the two second supports (4), the trash cleaning height self-adjusting mechanism comprises a fixed plate (14) fixedly connected to the top of the water ditch (1), a lifting plate (15) arranged above the fixed plate (14), a threaded driving guide assembly installed at the bottom of the lifting plate (15), the fixed plate (14) sleeved on the threaded driving guide assembly, a driving motor (23) fixedly installed at the top of the lifting plate (15) and fixedly connected with the top end of the threaded driving guide assembly, and a controller (24) fixedly and electrically connected to the front side of the driving motor (23); The bottom end of the threaded driving guide assembly is provided with a buoyancy control assembly electrically connected with the controller (24); a pull connection assembly is fixedly connected between the bottom right side of the lifting plate (15) and the top of the two second supports (4); The threaded driving guide assembly comprises four guide rods (22) and a screw rod (21), the four guide rods (22) are fixedly connected in a rectangular shape at the bottom of the lifting plate (15), the screw rod (21) is rotationally connected at the bottom of the lifting plate (15), the top end of the screw rod (21) is fixedly connected with the bottom end of the output shaft of the driving motor (23), the fixed plate (14) is slidably sleeved on the four guide rods (22), and the fixed plate (14) is threadedly sleeved on the screw rod (21); The buoyancy control assembly comprises a connecting plate (20), two T-shaped guide rods (27), a first touch switch (25), a second touch switch (28) and a hollow floating plate (26), the top of the connecting plate (20) is fixedly connected with the bottom end of the guide rod (22) located at the left rear side among the four guide rods (22), and the top of the connecting plate (20) is rotationally connected with the bottom end of the screw rod (21). The first touch switch (25) is embedded and fixed at the bottom of the connecting plate (20), the bottom of the first touch switch (25) is a touch end and is in movable contact with the top of the hollow floating plate (26), both T-shaped guide rods (27) are fixedly connected to the top of the hollow floating plate (26), the connecting plate (20) is slidably sleeved on the two T-shaped guide rods (27), the bottom of the second touch switch (28) is fixedly connected to the top left side of the connecting plate (20), the second touch switch (28) is matched with the top inner wall of the left T-shaped guide rod (27), and the first touch switch (25) and the second touch switch (28) are electrically connected with the controller (24). The pull connection assembly comprises two supporting rods (16), a U-shaped seat (17) and a rectangular plate (19), the top ends of the two supporting rods (16) are fixedly connected to the bottom right side of the lifting plate (15), and the top of the U-shaped seat (17) is fixedly connected to the bottom ends of the two supporting rods (16). Four ball bearings (18) are arranged in the top inner wall and the bottom inner wall of the U-shaped seat (17) in a rectangular shape, the rectangular plate (19) is located in the U-shaped seat (17), the top and the bottom of the rectangular plate (19) are in movable contact with the corresponding four ball bearings (18) respectively, and the bottom of the rectangular plate (19) is fixedly connected to the top of the two second supports (4).

2. The automatic trash cleaning mechanism for hydraulic engineering according to claim 1, characterized in that, The linkage assembly comprises four transmission gears (6) and two traction chains (7), the two transmission gears (6) on the right side are fixedly sleeved on the transmission shaft (5) on the right side, the two transmission gears (6) on the left side are fixedly sleeved on the transmission shaft (5) on the left side, the traction chain (7) is in transmission connection with the corresponding two transmission gears (6) opposite to each other, and the fence belt (9) is fixedly connected to the outer sides of the two traction chains (7).

3. The automatic trash cleaning mechanism for hydraulic engineering according to claim 1, characterized in that, The inner rings of the first bearings (13) are fixedly sleeved on the outer sides of the corresponding transmission shafts (5).

4. The automatic trash cleaning mechanism for hydraulic engineering according to claim 1, characterized in that, The inner rings of the second bearings (12) are fixedly sleeved on the outer sides of the corresponding transmission shafts (5).

5. The automatic trash cleaning mechanism for hydraulic engineering according to claim 1, characterized in that, The top left side and the bottom left side of the fixed plate (14) are fixedly connected with the limit touch switches (29) which are electrically connected with the controller (24), the upper limit touch switch (29) is matched with the bottom left side of the lifting plate (15), and the lower limit touch switch (29) is matched with the top left side of the connecting plate (20).

6. The automatic trash cleaning mechanism for hydraulic engineering according to claim 1, characterized in that, The top of the fixed plate (14) is provided with four guide holes and threaded holes (30), the inner walls of the guide holes are in sliding connection with the outer sides of the corresponding guide rods (22), and the threaded holes (30) are in threaded connection with the screw rods (21).

7. The automatic trash cleaning mechanism for hydraulic engineering according to claim 1, characterized in that, The number of the water wheel blades (11) in each group is four, and the four water wheel blades (11) in the same group are fixedly connected to the outer sides of the transmission shaft (5) on the left side in a ring shape.

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