A self-cleaning trash rack for the forebay of a pump station

Abstract

The present invention relates to the technical field of trash racks, and in particular to a self-cleaning trash rack for a pump station forebay. In order to overcome the shortcoming that branches stuck on the trash rack are difficult to clean. It includes a first fixed frame, a second fixed frame is slidably connected inside the first fixed frame, a spring is fixed between the first fixed frame and the second fixed frame, the second fixed frame is fixed with a plurality of groups of fixed shafts distributed at equal intervals, the fixed shafts are rotatably connected with grid plates distributed in a linear array, the adjacent grid plates on different fixed shafts in the same group are in contact and cooperate, and torsion springs are fixed between the grid plates distributed in a linear array and the adjacent fixed shafts, and a cleaning assembly is provided on the first fixed frame. The present invention sets the grid plates in a rotatable connection mode, so that when cleaning the tree branch garbage, the tree branches are released from between the grid plates by the rotation of the grid plates, thereby avoiding the extra workload caused by the tree branches getting stuck between the grid plates and improving the cleaning efficiency.

Description

Technical Field

[0001] The invention relates to the technical field of trash racks, and in particular to a self-cleaning trash rack for a pump station forebay. Background Art

[0002] Pumping stations are mainly used in water supply systems to lift groundwater or surface water sources to water towers, water tanks or water pipes, providing great convenience for domestic water, industrial water or garden irrigation. The pumping station forebay is a reservoir set up in front of the pumping station to ensure a stable water supply. It is used to store water that needs to be transported from the river through the canal to the pumping station. In the process of diverting water from the canal, the water flow usually carries some foreign objects such as branches, leaves and particles into the water reservoir. In order to prevent foreign objects from damaging the pump body during the water delivery process of the pumping station, foreign objects in the water flow entering the water reservoir are usually blocked. Trash racks are usually used to block larger foreign objects such as branches.

[0003] After the trash rack has been used for a long time, some branches will be stuck between the grille plates. If they are not cleaned in time, they will block some small foreign objects such as leaves, causing the flow of water to be reduced. When cleaning the branches stuck between the grille plates, some branches are rotated by the water flow and cannot be smoothly separated from the grille plates. At this time, auxiliary tools are needed to decompose and clean the branches, which is labor-intensive and has low cleaning efficiency. Summary of the invention

[0004] In order to overcome the shortcoming that branches stuck on the trash rack are difficult to clean, the present invention provides a self-cleaning trash rack for a pump station forebay.

[0005] The technical implementation scheme of the present invention is: a self-cleaning trash rack for a pump station forebay, comprising a first fixed frame, a second fixed frame being slidably connected inside the first fixed frame, a spring being fixed between the first fixed frame and the second fixed frame, a plurality of groups of equally spaced fixed shafts being fixed to the second fixed frame, grid plates distributed in a linear array being rotatably connected to the fixed shafts, adjacent grid plates on different fixed shafts in the same group being in contact and fitting, torsion springs being fixed between the grid plates distributed in a linear array and adjacent fixed shafts, and a cleaning component for cleaning garbage attached to all the grid plates being provided on the first fixed frame.

[0006] More preferably, a limiting portion is provided on one side of the grid plate, and the limiting portion cooperates with the second fixing frame in a limiting manner.

[0007] More preferably, the cleaning assembly includes a symmetrically distributed third fixing frame, the symmetrically distributed third fixing frames are all fixedly connected to the upper side of the first fixing frame, the opposite sides of the symmetrically distributed third fixing frames are installed with first electric slide rails, the first electric slide rails on the symmetrically distributed third fixing frames have different horizontal heights, the first electric slide rails are slidably connected to a plurality of first electric sliders, two adjacent first electric sliders on different first electric slide rails are commonly fixedly connected to a fourth fixing frame, a symmetrically distributed electric shaft is installed on the inner side of the fourth fixing frame, a plurality of groups of threaded portions are provided on the electric shaft at equal intervals, adjacent threaded portions of different electric shafts of the same fourth fixing frame are commonly threadedly connected with a sliding member, a baffle plate is fixedly connected to the inner side of the fourth fixing frame, and the sliding member slidably cooperates with the adjacent baffle plates.

[0008] More preferably, two groups of L-shaped blocks are arranged on the sliding member and are evenly distributed; the L-shaped block in the middle of the same group is fixedly connected to the adjacent sliding member, and the remaining L-shaped blocks are slidably connected to the adjacent sliding member; and elastic plates are fixedly connected between adjacent L-shaped blocks in the same group for clamping garbage between adjacent grid plates.

[0009] More preferably, the lower side of the fourth fixed frame is fixedly connected to a limiting column, the first fixed frame is equipped with a telescopic plate, the first fixed frame is fixedly connected to a rotating shaft, the rotating shaft is rotatably connected to a first guide wheel, a pull rope is wound around the first guide wheel, the pull rope passes through the second fixed frame and is fixedly connected to a limiting seat, the limiting seat is limitedly matched with the second fixed frame and the first fixed frame, the limiting seat is limitedly matched with the limiting column, the rotating shaft is rotatably connected to a second guide wheel, the second guide wheel is wound around a pull rope fixed to the second fixed frame, and the second guide wheel is connected to the first guide wheel by a coil spring.

[0010] More preferably, the elastic coefficient of the coil spring between the second guide wheel and the first guide wheel is greater than the elastic coefficient of the spring between the second fixing frame and the first fixing frame, so as to control the movement of the second fixing frame.

[0011] More preferably, the outer side surface of the limit seat is a spherical surface, which is used to reset the limit seat.

[0012] More preferably, it also includes a first fixed shell, the first fixed shell is installed on a side of one of the third fixed frames away from the adjacent first electric slide rail, a first piston rod is sealingly and slidably connected in the first fixed shell, the telescopic end of the first piston rod is fixedly connected to an L-shaped frame, a side of the L-shaped frame away from the telescopic end of the first piston rod is provided with an inclined surface that is squeezed and matched with all the fourth fixed frames, a second fixed shell is installed on the third fixed frame close to the first fixed shell, the second fixed shell and the first fixed shell are fixedly connected and connected with an oil pipeline, a second piston rod is sealingly and slidably connected in the second fixed shell, and a spring is fixedly connected between the two, a first baffle plate is fixedly connected in the second fixed shell, the first baffle plate is located on the side of the second fixed shell away from the telescopic end of the second piston rod, a first flow hole is provided on the first baffle plate, a one-way valve is installed in the first flow hole, and a second baffle plate is provided in the second baffle plate. The third fixed frame near the second fixed shell is installed with a U-shaped frame, and a T-shaped plate is slidably connected in the U-shaped frame, and the telescopic end of the second piston rod passes through the U-shaped frame and is fixed to the T-shaped plate, and the symmetrically distributed third fixed frame is rotatably connected with the first material guide shell and the second material guide shell through a mounting seat, and the first material guide shell and the adjacent second material guide shell are coaxially connected, and the first material guide shell and the second material guide shell close to the T-shaped plate are fixedly connected with a pull rope, and the transmission shafts of the symmetrically distributed first material guide shell and the second material guide shell are respectively fixedly connected to the adjacent mounting seats, and the transmission shafts of the symmetrically distributed first material guide shell and the second material guide shell are transmitted through a transmission member, and second electric slide rails are installed on the symmetrically distributed third fixed frame, and the second electric slide rail is slidably connected with a second electric slider, and the symmetrically distributed second electric sliders are jointly installed with a partition.

[0013] More preferably, a third fixed shell is installed on the second electric slide rail close to the second fixed shell, and a third piston rod is sealingly and slidably connected in the third fixed shell, and a spring is fixed between the two, the telescopic end of the third piston rod is limitedly matched with the adjacent second electric slider, the third fixed shell is fixedly connected and connected with an oil guide pipe, a cavity is provided in the first baffle plate, the oil guide pipe passes through the second fixed shell and is connected with the cavity of the first baffle plate, a sliding block and a second baffle plate are sealingly and slidably connected in the cavity of the first baffle plate, a second circulation hole is provided on the first baffle plate, a third circulation hole communicating and matching with the second circulation hole on the first baffle plate is provided on the second baffle plate, the second baffle plate is sealed and matched with the second circulation hole on the first baffle plate, and the sliding block is fixed to the second baffle plate.

[0014] More preferably, a plurality of fourth fixed shells are fixedly connected to the first material guide shell and the second material guide shell, a spring is fixedly connected to the side of the fourth fixed shell away from the adjacent first material guide shell and the second material guide shell, a counterweight block is slidably connected to the fourth fixed shell, the first material guide shell and the second material guide shell are respectively in contact with and cooperate with the adjacent counterweight blocks, and the counterweight block is squeezed and cooperated with the spring in the adjacent fourth fixed shell.

[0015] Compared with the prior art, the present invention has the following advantages: by setting the grating plate in a rotating connection mode, the grating plate can be rotated to release the branches from between the grating plates when cleaning the branch garbage, avoiding the extra workload caused by the branches getting stuck between the grating plates, thereby improving the cleaning efficiency.

[0016] Through the cooperation between adjacent elastic plates in the same group, when clamping the branch garbage, they adaptively deform to improve the fixing effect of the branch garbage, and rely on the sliding of the L-shaped block to guide the branch garbage to the center position, which facilitates the subsequent cleaning process and improves the cleaning efficiency.

[0017] The backward movement of the second fixed frame accelerates the separation speed of the branch garbage from the grid plate, and the downward movement of the spare fourth fixed frame squeezes the longer branch garbage and tilts the branch garbage, preventing the longer branches from being unable to separate from the grid plate smoothly, thereby improving the completeness of the cleaning.

[0018] The branch garbage is thrown to both sides of the canal through the guide shell, and the reciprocating movement of the counterweight block is utilized to accelerate the falling of the garbage attached to the first guide shell and the second guide shell in a vibration manner, thereby improving the cleaning effect, reducing the subsequent cleaning times, and reducing the workload. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention;

[0020] Figure 2 is a schematic diagram of the three-dimensional structure of the second fixing frame and the grid plate of the present invention;

[0021] Figure 3 It is a schematic diagram of the three-dimensional structure of the fixed shaft and the limiting part of the present invention;

[0022] Figure 4 It is a three-dimensional structural schematic diagram of the cleaning component of the present invention;

[0023] Figure 5 is a schematic diagram of the three-dimensional structure of the parts in the fourth fixing frame of the present invention;

[0024] Figure 6 An exploded view of the sliding member, L-shaped block and elastic plate of the present invention;

[0025] Figure 7 It is a schematic diagram of the three-dimensional structure of the limiting column and the limiting seat of the present invention;

[0026] Figure 8 An exploded view of the rotating shaft, the first guide wheel and the second guide wheel of the present invention;

[0027] Fig. 9 It is a schematic diagram of the three-dimensional structure of the first fixed shell and the partition member of the present invention;

[0028] Fig.10 It is a three-dimensional structural cross-sectional view of the first fixed shell and the second fixed shell of the present invention;

[0029] Fig.11 A three-dimensional structural cross-sectional view of the second fixed housing and the second piston rod of the present invention;

[0030] Fig.12 It is a schematic diagram of the three-dimensional structure of the parts inside the first sealing plate of the present invention;

[0031] Fig.13 It is a schematic diagram of the three-dimensional structure of the third piston rod and the oil guide pipe of the present invention;

[0032] Fig.14 It is a schematic diagram of the three-dimensional structure of the fourth fixed shell and the counterweight block of the present invention.

[0033] The markings of the components in the accompanying drawings are as follows: 1. first fixed frame, 2. second fixed frame, 201. fixed shaft, 3. grid plate, 301. limiting part, 4. third fixed frame, 5. first electric slide rail, 6. fourth fixed frame, 7. electric rotating shaft, 8. sliding member, 10. L-shaped block, 11. elastic plate, 12. shielding plate, 13. limiting column, 14. limiting seat, 1401. telescopic plate, 15. rotating shaft, 16. first guide wheel, 17. second guide wheel, 18. First fixed shell, 19. First piston rod, 20. L-shaped frame, 21. Second fixed shell, 22. Second piston rod, 23. First sealing plate, 24. U-shaped frame, 25. T-shaped plate, 26. First material guide shell, 27. Second material guide shell, 28. Second electric slide rail, 29. Splitting piece, 30. Third fixed shell, 31. Third piston rod, 32. Oil guide pipe, 33. Sliding block, 34. Second sealing plate, 35. Fourth fixed shell, 36. Counterweight. DETAILED DESCRIPTION

[0034] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0035] Example 1: A self-cleaning trash rack for a pump station forebay, such as Figure 1-Figure 3 As shown, it includes a first fixing frame 1, and four bosses are fixedly connected to the rear side of the first fixing frame 1, which are used to fix the first fixing frame 1 to a designated water channel. A second fixing frame 2 is slidably connected inside the first fixing frame 1, and a spring is fixedly connected between the first fixing frame 1 and the second fixing frame 2, and the spring is used to reset the second fixing frame 2. The second fixing frame 2 is fixedly connected to two groups of fixed shafts 201 distributed at equal intervals, and the fixed shafts 201 are rotatably connected to grid plates 3 distributed in a linear array, and adjacent grid plates 3 on different fixed shafts 201 in the same group are in contact and matched, so that adjacent grid plates 3 are in contact to form a complete grid. To block the garbage carried by the water flow, torsion springs are fixedly connected between the grid plates 3 distributed in a linear array and the adjacent fixed shafts 201. The torsion springs are used to reset the adjacent grid plates 3 and keep the grid plates 3 stable. The rotation of the grid plates 3 is utilized to speed up the cleaning of tree branch garbage and improve the garbage cleaning efficiency. A cleaning component for cleaning all garbage attached to the grid plates 3 is provided on the first fixed frame 1. A limiting portion 301 is provided on the rear side of the grid plates 3. The limiting portion 301 cooperates with the limiting portion of the second fixed frame 2 so that the grid plates 3 can only rotate forward, thereby ensuring that the tree branch garbage is blocked at the front side of the grid plates 3.

[0036] like Figure 1 , Figure 4 and Figure 5 As shown, the cleaning assembly includes two symmetrically distributed third fixing frames 4, the two third fixing frames 4 are fixedly connected to the upper side of the first fixing frame 1, and the first electric slide rails 5 are installed on the opposite sides of the two third fixing frames 4. The first electric slide rails 5 on the two third fixing frames 4 have different horizontal heights. The first electric slide rails 5 are slidably connected to two first electric sliders, and two adjacent first electric sliders on different first electric slide rails 5 are commonly fixedly connected to a fourth fixing frame 6, so that when the adjacent two first electric sliders jointly drive the adjacent fourth fixing frame 6 to move, the horizontal drop of the two first electric slide rails 5 ensures that the fourth fixing frame 6 is always moved when moving. It is finally in a vertical state, two symmetrically distributed electric shafts 7 are installed on the inner side of the fourth fixed frame 6, and a plurality of groups of equidistantly distributed threaded portions are arranged on the electric shaft 7, and adjacent threaded portions of different electric shafts 7 of the same fourth fixed frame 6 are threadedly connected with a sliding member 8, and two threaded areas with opposite rotation directions are arranged in the same group of threaded portions, and adjacent sliding members 8 of the same group of threaded portions move toward or away from each other under the drive of different threaded areas, and a shielding plate 12 is fixed to the inner side of the fourth fixed frame 6, and the sliding member 8 is slidably matched with the adjacent shielding plate 12, and the shielding plate 12 is used to shield tree branches and garbage to ensure the normal operation of the rotating part of the grid plate 3.

[0037] like Figure 4-Figure 6As shown, two groups of L-shaped blocks 10 are arranged on the sliding member 8 and are distributed equidistantly. The L-shaped block 10 in the middle of the same group of L-shaped blocks 10 is fixedly connected to the adjacent sliding member 8, and the remaining L-shaped blocks 10 are slidably connected to the adjacent sliding member 8. Elastic plates 11 are fixedly connected between adjacent L-shaped blocks 10 in the same group, which are used to clamp the garbage between the adjacent grid plates 3. When clamping the tree branch garbage, the elastic plate 11 undergoes adaptive deformation to clamp the tree branch garbage around and improve the fixing effect. The elastic plate 11 is deformed and pulled to make the L-shaped blocks 10 on both sides of the same group slide toward the middle, and the tree branch garbage is guided to the center position to facilitate subsequent cleaning.

[0038] like Figure 3 , Figure 7 and Figure 8 As shown, two limit columns 13 are fixedly connected to the lower side of the fourth fixing frame 6, and a telescopic plate 1401 is installed on the first fixing frame 1. The telescopic plate 1401 is used to isolate mud and sand to ensure the normal operation of the parts below the telescopic plate 1401. The first fixing frame 1 is fixedly connected to two rotating shafts 15, and the two rotating shafts are respectively located on the upper side and the lower side of the first fixing frame 1. The two rotating shafts 15 are rotatably connected to the first guide wheels 16, and the two first guide wheels 16 are both wound with pull ropes. The two pull ropes pass through the lower side of the second fixing frame 2 and are fixedly connected to the limit column 13. The first fixing frame 1 is provided with a guide wheel for guiding the pull rope of the upper first guide wheel 16 at the lower side, and the limiting seat 14 is limitedly matched with the second fixing frame 2 and the first fixing frame 1, so that the limiting hole of the limiting seat 14 is always stably facing upward, and the limiting seat 14 is limitedly matched with the adjacent limiting column 13, so that the limiting column 13 can be inserted into the adjacent limiting seat 14 and drive the limiting seat 14 to move in the horizontal direction, so that the adjacent first guide wheel 16 is driven to rotate through the pull rope of the limiting seat 14, and the two rotating shafts 15 are The second guide wheels 17 are both rotatably connected, and the two second guide wheels 17 are both wound with a pull rope fixed to the second fixed frame 2. The second guide wheels 17 drive the second fixed frame 2 to move backward by winding the pull rope thereon. The second guide wheel 17 is connected to the first guide wheel 16 through a coil spring. The elastic coefficient of the coil spring between the second guide wheel 17 and the adjacent first guide wheel 16 is greater than the elastic coefficient of the spring between the second fixed frame 2 and the first fixed frame 1. When the first guide wheel 16 drives the adjacent second guide wheel 17 to rotate through the coil spring, the second fixed frame 2 is driven to move backward through the pull rope on the second guide wheel 17, so that the spring between the second fixed frame 2 and the first fixed frame 1 is compressed first. When the second fixed frame 2 moves to the spring between the second fixed frame 2 and the first fixed frame 1 and is compressed to the limit, the first guide wheel 16 continues to rotate to store force for its adjacent coil spring. The spring between the second fixed frame 2 and the first fixed frame 1 and the two coil springs cooperate to control the movement of the second fixed frame 2 and the two limit seats 14. The outer side surface of the limit seat 14 is a spherical surface, which is used to smoothly reset the limit seat 14.

[0039] When the device is used to block garbage in the canal in front of the pump station, the staff transports the device to the canal and fixes it through the four bosses on the rear side of the first fixing frame 1, and then sets the cleaning component to the periodic cleaning mode. At this time, the installation and setting of the device are completed.

[0040] During the use of the device, the garbage carried by the water flow in the canal will be blocked by the grid plate 3 on the second fixed frame 2, and some branches in the garbage will pass between two adjacent grid plates 3 and be stuck. After a specified time, the garbage at the grid plate 3 is cleaned up, and at this time, the two electric rotating shafts 7 on the fourth fixed frame 6 located on the front side of the second fixed frame 2 are synchronously started, and the adjacent same group of threaded parts thereon are respectively driven to drive the adjacent same group of sliding members 8 to approach each other. When the sliding members 8 in the same group approach each other, taking a group of adjacent L-shaped blocks 10 on the same group of sliding members 8 as an example, the L-shaped blocks 10 on the two sliding members 8 in the same group approach each other, so that the same The elastic plates 11 between adjacent L-shaped blocks 10 on a sliding member 8 approach each other, and the two elastic plates 11 approach each other and contact the garbage between the corresponding grid plates 3, and are blocked by the garbage and deformed. The elastic plates 11 deform, so that the L-shaped blocks 10 on both sides of the same group of L-shaped blocks 10 move toward the middle L-shaped block 10, and the garbage is clamped in the center through the cooperation of the L-shaped blocks 10 and the adjacent elastic plates 11. At the same time, the shape of the L-shaped blocks 10 and the deformation of the elastic plates 11 are used to make the elastic plates 11 that move close to each other clamp around the tree branch garbage, so as to prevent some thinner tree branch garbage from escaping from the gap between thicker tree branch garbage, thereby improving the completeness of cleaning.

[0041] After the L-shaped block 10 and the elastic plate 11 cooperate to clamp the garbage, the two first electric slide rails 5 respectively control the adjacent first electric sliders on the lower side to jointly drive the adjacent fourth fixing frame 6 to move downward for a distance first, so that the two limiting columns 13 on the lower side of the fourth fixing frame 6 are respectively inserted into the adjacent limiting seats 14, and then the two first electric sliders on the lower side jointly drive the adjacent fourth fixing frame 6 to move forward, and the fourth fixing frame 6 moves forward and drives the two limiting seats 14 to move forward through the two limiting columns 13. When the limiting seat 14 moves forward, it pulls the adjacent pull rope, so that the pull rope wrapped around the adjacent first guide wheel 16 is released and drives the first guide wheel 16 to rotate, and the first guide wheel 16 rotates and drives the adjacent second guide wheel 17 to rotate through the adjacent coil spring, and the second guide wheel 17 rotates The pull ropes on the two second guide wheels 17 pull the second fixed frame 2 backward together, so that the second fixed frame 2 moves backward synchronously and compresses the telescopic plate 1401. The second fixed frame 2 moves backward and compresses the spring between it and the first fixed frame 1. When the second fixed frame 2 moves backward to the limit position and stops, the spring between the second fixed frame 2 and the first fixed frame 1 stops compressing. At this time, the second guide wheel 17 stops rotating, and the fourth fixed frame 6 drives the limiting seat 14 to continue to move forward, and drives the adjacent first guide wheel 16 to continue to rotate through the pull rope of the limiting seat 14. The first guide wheel 16 continues to rotate so that the winding spring between it and the adjacent second guide wheel 17 accumulates force, so that the fourth fixed frame 6 drives the garbage to separate from the grid plate 3, and at the same time accelerates the speed at which the garbage separates from the grid plate 3.

[0042] When the fourth fixing frame 6 drives the garbage to separate from the grid plate 3, some branch garbage stuck between two adjacent grid plates 3 will pull the grid plates 3 to rotate forward around their adjacent fixed shafts 201, and the limiting portion 301 of the grid plate 3 loses contact with the second fixing frame 2, and the torsion spring between the grid plate 3 and the adjacent fixed shaft 201 accumulates force, and the grid plate 3 rotates forward to smoothly separate the stuck branch garbage from the grid plate 3. At the same time, the branch garbage centered by the L-shaped block 10 and the adjacent elastic plate 11 makes the grid plate 3 completely separate from the branch garbage by rotating forward a small angle. In this process, the two first electric slide rails 5 respectively control the adjacent first electric sliders on the upper side to jointly drive the adjacent fourth fixing frame 6 to move downward, so as to replace the removed fourth fixing frame 6. When the fourth fixed frame 6 on the upper side moves downward, it squeezes the longer branch garbage when encountering it, causing the branch garbage to tilt, further accelerating the separation speed of the branch garbage and the grid plate 3. After the fourth fixed frame 6 on the upper side moves downward to the specified position, the branch garbage is completely separated from the grid plate 3, the tension on the grid plate 3 disappears, the torsion force of the torsion spring of the grid plate 3 is released, and the grid plate 3 is reset. The limiting part 301 of the grid plate 3 is re-limited and matched with the second fixed frame 2 to keep the grid plate 3 stable. The rotation of the grid plate 3 prevents the grid plate 3 from generating a rigid clamping force on the branch garbage, thereby improving the cleaning efficiency of the branch garbage. The fourth fixed frame 6 on the upper side moves downward to replace the fourth fixed frame 6 removed from the lower side, and cooperates with the grid plate 3 to intercept subsequent garbage.

[0043] After the fourth fixing frame 6 clamps the garbage and completely separates from the grid plate 3 and moves to the frontmost side of the two first electric slide rails 5, the two first electric slide blocks on the lower side jointly drive the adjacent fourth fixing frame 6 to move upward, and the two limiting columns 13 on the lower side thereof are respectively separated from the adjacent limiting seats 14, the tension on the pull rope adjacent to the limiting seat 14 disappears, the tension on the adjacent first guide wheel 16 by the pull rope disappears, the first guide wheel 16 stops rotating, and the force of the coil spring between the first guide wheel 16 and the adjacent second guide wheel 17 is released, so that the adjacent first guide wheel 1 The pull rope of the first guide wheel 16 is reeled in by reverse rotation, and the rotational force on the adjacent second guide wheel 17 disappears at the same time. The pulling force of the pull rope of the second guide wheel 17 on the second fixing frame 2 disappears, and the spring elastic force between the second fixing frame 2 and the first fixing frame 1 is released, and the second fixing frame 2 is driven to reset. The reeling of the pull rope of the first guide wheel 16 drives the adjacent limiting seat 14 to reset. The limiting seat 14 is re-limited with the first fixing frame 1 and the second fixing frame 2 through the spherical outer surface, so that the limiting seat 14 is smoothly reset to a state where it can be limited with the limiting column 13.

[0044] After the fourth fixing frame 6 moves upward and disengages from the limit seat 14, the two first electric sliders on the lower side jointly drive the adjacent fourth fixing frame 6 to continue to move upward. After the two first electric sliders on the lower side move to the upper side of the first electric slide rail 5, the adjacent fourth fixing frame 6 drives the tree branch garbage to completely leave the water surface through the parts thereon. At this time, the staff controls the two electric rotating shafts 7 on the fourth fixing frame 6 to reverse, so that all the sliding parts 8 close to each other in a group move away from each other, thereby releasing the tree branch garbage clamped by the elastic plate 11 and the baffle plate 12, and then the staff cleans the tree branch garbage. When the tree branch garbage of the fourth fixing frame 6 is cleaned, the two adjacent first electric sliders of the fourth fixing frame 6 jointly drive it to move to the designated position to prepare for the next replacement, and this cycle is repeated.

[0045] Embodiment 2: Based on embodiment 1, Figure 4 and Figure 9-12As shown, it also includes a first fixed shell 18, which is installed on the front side of the third fixed frame 4 on the right side. Hydraulic oil is filled in the first fixed shell 18. A first piston rod 19 is sealed and slidably connected in the first fixed shell 18. The telescopic end of the first piston rod 19 is fixedly connected to an L-shaped frame 20. The rear part of the left side of the L-shaped frame 20 is provided with an inclined surface that is extruded and matched with all the fourth fixed frames 6. The fourth fixed frame 6 pushes it forward by squeezing the inclined surface of the L-shaped frame 20. The movement of the L-shaped frame 20 drives the first piston rod 19 to move, and the hydraulic oil in the first fixed shell 18 is pushed out. A second fixed shell 21 is installed on the third fixed frame 4 near the first fixed shell 18. The second fixed shell 21 is fixedly connected to the first fixed shell 18 and is connected to an oil pipeline. The second fixed shell 21 is fixedly connected to the first fixed shell 18 and is connected to the oil pipeline. 1 and the oil delivery pipe are filled with hydraulic oil, the second fixed shell 21 is sealed and slidably connected with the second piston rod 22, and a spring is fixed between the two, the spring is used to reset the second piston rod 22, the second fixed shell 21 is fixed with a first baffle plate 23, the first baffle plate 23 is located on the side of the second fixed shell 21 away from the telescopic end of the second piston rod 22, the first baffle plate 23 is used to control the flow of hydraulic oil between it and the second piston rod 22, the first baffle plate 23 is provided with a first flow hole, a one-way valve is installed in the first flow hole, and the flow direction of the one-way valve is from bottom to top, the third fixed frame 4 close to the second fixed shell 21 is installed with a U-shaped frame 24, the U-shaped frame 24 is slidably connected with a T-shaped plate 25, the telescopic end of the second piston rod 22 passes through the U-shaped The first and second material guide shells 26 and 27 are rotatably connected to the two third fixed frames 4 through the mounting seat, and are used to receive the tree branches and garbage cleaned up from the fourth fixed frame 6. The upper sides of the two symmetrical first material guide shells 26 and the two symmetrical second material guide shells 27 are both provided with inclined surfaces. The inclined surfaces on the two first material guide shells 26 are in contact with each other, and the inclined surfaces on the two second material guide shells 27 are in contact with each other. The first material guide shell 26 and the adjacent second material guide shell 27 are coaxially connected. The first material guide shell 26 and the second material guide shell 27 close to the T-shaped plate 25 are fixedly connected to the T-shaped plate 25 with a pull rope. The first material guide shell 26 on the right and the second material guide shell 27 on the right are respectively reset under the drive of the adjacent pull ropes, and the tree branches and garbage received on them are reset. The branch garbage is thrown out, and the transmission shafts of the two first material guide shells 26 and the second material guide shells 27 are respectively fixed with torsion springs between the adjacent mounting seats, and the torsion springs are initially in a stored force state. Gears are fixed on the transmission shafts of the two first material guide shells 26 and the second material guide shells 27, and the two third fixed frames 4 are slidably connected with the rack frame through the rack slide. The gears of the transmission shafts of the two first material guide shells 26 and the second material guide shells 27 are meshed with the rack frame, and the two third fixed frames 4 are installed with second electric slide rails 28, and the two second electric slide rails 28 are slidably connected with second electric sliders, and the two second electric sliders are jointly installed with a dividing piece 29, which is driven by the two second electric sliders to move, so as to cut off the branch garbage on the fourth fixed frame 6.

[0046] like Figure 9-13 As shown, a third fixed shell 30 is installed on the second electric slide rail 28 close to the second fixed shell 21, and hydraulic oil is filled in the third fixed shell 30. A third piston rod 31 is sealingly and slidably connected in the third fixed shell 30, and a spring is fixedly connected between the two. The spring is used to reset the third piston rod 31. The telescopic end of the third piston rod 31 is limitedly matched with the adjacent second electric slider, so that the second electric slider can push the third piston rod 31 upward, so that the third piston rod 31 moves upward and pushes out the hydraulic oil in the third fixed shell 30. The third fixed shell 30 is fixedly connected and connected with an oil guide pipe 32, and the oil guide pipe 32 is filled with hydraulic oil. A cavity is set in the first baffle plate 23, and the oil guide pipe 32 runs through the second fixed The shell 21 is connected with the cavity of the first partition plate 23, and the sliding block 33 and the second partition plate 34 are sealed and slidably connected in the cavity of the first partition plate 23. The first partition plate 23 is provided with a second flow hole, and the second partition plate 34 is provided with a third flow hole connected and matched with the second flow hole on the first partition plate 23. The second partition plate 34 is blocked and matched with the second flow hole on the first partition plate 23. In the initial state, the second flow hole is not connected with the third flow hole, and the sliding block 33 is fixedly connected with the second partition plate 34. By pushing the hydraulic oil in the third fixed shell 30 into the cavity of the first partition plate 23, the sliding block 33 drives the second partition plate 34 to move, thereby controlling the connection between the second flow hole and the third flow hole.

[0047] like Fig. 9 and Fig.14 As shown, the facing sides of the two first material guide shells 26 and the facing sides of the two second material guide shells 27 are fixedly connected with a fourth fixed shell 35, and a spring is fixedly connected to the side of the fourth fixed shell 35 away from the adjacent first material guide shell 26 and the second material guide shell 27, and a counterweight block 36 is slidably connected in the fourth fixed shell 35, and the first material guide shell 26 and the second material guide shell 27 are respectively in contact with and cooperate with the adjacent counterweight blocks 36, and the counterweight blocks 36 are squeezed and cooperated with the springs in the adjacent fourth fixed shells 35, and the springs enable the adjacent counterweight blocks 36 to move back and forth. In the initial state, the first material guide shell 26 and the second material guide shell 27 are both in a vertical state, and the distance between the adjacent fourth fixed shells 35 on different first material guide shells 26 and the distance between the adjacent fourth fixed shells 35 on different second material guide shells 27 gradually increase from top to bottom, so that the counterweight block 36 does not contact the spring in the adjacent fourth fixed shell 35, thereby avoiding metal fatigue of the spring due to long-term extrusion and extending the service life of the spring.

[0048] In the process of the two first electric sliders on the lower side jointly driving the adjacent fourth fixing frame 6 to continue to move upward, the fourth fixing frame 6 contacts and squeezes the inclined surface of the L-shaped frame 20, and pushes the L-shaped frame 20 forward through the inclined surface until the inclined surface of the L-shaped frame 20 is out of contact with the fourth fixing frame 6 on the front side and stops. When the L-shaped frame 20 moves forward, it drives the first piston rod 19 to move synchronously. The first piston rod 19 moves to push the hydraulic oil in the first fixed shell 18 into the second fixed shell 21 through the oil delivery pipe. The hydraulic oil entering the second fixed shell 21 enters between the first sealing plate 23 and the second piston rod 22 through the one-way valve in the first flow hole on the first sealing plate 23, and pushes the second piston rod 22 to move upward. The second piston rod 22 moves upward to squeeze the spring between it and the second fixed shell 21. Due to the presence of the one-way valve, the hydraulic oil between the first sealing plate 23 and the second piston rod 22 will not flow back, so that the second piston rod 22 can only move upward and apply continuous squeezing force to the spring between it and the second fixed shell 21.

[0049] The second piston rod 22 moves upward and drives the T-shaped plate 25 to move upward. The T-shaped plate 25 moves upward and the tension of the rope between the adjacent first material guide shell 26 and the adjacent second material guide shell 27 disappears. The tension for maintaining the stability of the first material guide shell 26 and the second material guide shell 27 disappears, and the torsion spring torsion of the transmission shaft of the first material guide shell 26 and the second material guide shell 27 is released, and the first material guide shell 26 and the second material guide shell 27 are driven to rotate in the direction close to the water channel through the transmission shaft. At the same time, the gear fixed to the front side of the transmission shaft rotates, and transmits another second material guide shell 26 through the rack. The gears of the first material guide shell 26 and the second material guide shell 27 rotate, so that the symmetrical first material guide shell 26 and the symmetrical second material guide shell 27 rotate synchronously until the inclined surfaces on the upper sides of the two symmetrical first material guide shells 26 contact. At this time, the inclined surfaces on the upper sides of the two symmetrical second material guide shells 27 contact, so that the two first material guide shells 26 and the two second material guide shells 27 after contact are distributed in an eight-shaped shape. When the first material guide shell 26 and the second material guide shell 27 rotate to the specified position, the counterweight block 36 in the fourth fixed shell 35 slides onto the spring therein.

[0050] During the rotation of the first material guide shell 26 and the second material guide shell 27, the two second electric slide rails 28 jointly drive the partition 29 to move downward through the two second electric sliders until the second electric slider moves to the lower side of the second electric slide rail 28 and stops. When the first electric slider adjacent to the lower side of the two first electric slide rails 5 moves upward to the upper side of the first electric slide rail 5, the first material guide shell 26, the second material guide shell 27 and the partition 29 are all in the specified position, and then the two first electric sliders drive the adjacent fourth fixing frame 6 to move backward, and the fourth fixing frame 6 and its The branch garbage on the fourth fixed frame 6 moves to the front side of the dividing piece 29, and then the two second electric sliders jointly drive the dividing piece 29 to move upward, so that the dividing piece 29 cuts off the branch garbage on the fourth fixed frame 6. After the dividing piece 29 moves upward and completely cuts off the branch garbage, it stops. At this time, the second electric slider is not in contact with the telescopic end of the third piston rod 31, and the cut branch garbage falls into the first material guide shell 26. Then the two electric rotating shafts 7 of the fourth fixed frame 6 are reversed to release the clamping of the branch garbage on the fourth fixed frame 6, so that the branch garbage falls into the second material guide shell 27.

[0051] After the branches and garbage on the fourth fixed frame 6 have fallen into the first material guide shell 26 and the second material guide shell 27, the second electric slide blocks of the two second electric slide rails 28 move upward for a distance together, and the second electric slide block of the second electric slide rail 28 on the right side contacts the third piston rod 31 and pushes it upward. The third piston rod 31 moves upward to compress the spring between it and the third fixed shell 30, and pushes out the hydraulic oil in the third fixed shell 30. The pushed out hydraulic oil enters the cavity of the first baffle plate 23 through the oil guide pipe 32 and pushes the sliding block 33. The movement of the sliding block 33 drives the second baffle plate 34 to move until the third flow hole of the second baffle plate 34 is connected with the second flow hole of the first baffle plate 23. At this time, the hydraulic oil above the first baffle plate 23 flows back through the second flow hole on the first baffle plate 23, so that the thrust of the hydraulic oil above the first baffle plate 23 on the second piston rod 22 disappears, and the thrust of the second piston rod 22 on the spring in the second fixed shell 21 disappears, so that the spring elastic force in the second fixed shell 21 is released and drives the second piston rod 22 to reset. The reset of the second piston rod 22 pushes the hydraulic oil between it and the first baffle plate 23 back into the oil pipe of the second fixed shell 21 through the second flow hole on the first baffle plate 23, and the hydraulic oil flows back to the first fixed shell 18 through the oil pipe and pushes the first piston rod 19 to reset. The reset of the first piston rod 19 drives the L-shaped frame 20 to reset.

[0052] During the resetting process of the second piston rod 22, the second piston rod 22 drives the T-shaped plate 25 to move downward, tightens the pull rope between the T-shaped plate 25 and the adjacent first material guide shell 26 and the adjacent second material guide shell 27, so that the pull rope pulls the adjacent first material guide shell 26 and the adjacent second material guide shell 27 to rotate and reset, and synchronously drives the first material guide shell 26 and the second material guide shell 27 on the other side to rotate and reset through the gear and rack rack. The first material guide shell 26 and the second material guide shell 27 rotate and reset to throw the tree branches and garbage on them to both sides of the device. When the first material guide shell 26 and the second material guide shell 27 are reset to the initial position and stop, the fourth fixed shell on the first material guide shell 26 The adjacent counterweight block 36 in 35 continues to move due to inertia and is blocked by the first material guide shell 26, causing the counterweight block 36 to hit the first material guide shell 26. After hitting the first material guide shell 26, the counterweight block 36 rebounds and compresses the spring in the adjacent fourth fixed shell 35, and the counterweight block 36 hits the first material guide shell 26 again through the spring. This reciprocating movement is carried out until the rebound force of the counterweight block 36 is insufficient to compress the spring in the adjacent fourth fixed shell 35 and then stops, causing the first material guide shell 26 to vibrate, thereby achieving better separation of branch garbage from the first material guide shell 26. The action of the fourth fixed shell 35 on the second material guide shell 27 is consistent with the action of the fourth fixed shell 35 on the back side of the above-mentioned first material guide shell 26.

[0053] After the second piston rod 22 drives the T-shaped plate 25 to reset, the second electric slider moves downward for a distance and disengages from the third piston rod 31, the thrust exerted on the third piston rod 31 disappears, the elastic force of the spring in the third fixed shell 30 is released, and pushes the third piston rod 31 to reset. The third piston rod 31 resets and draws the hydraulic oil in the cavity of the first baffle plate 23 back into the third fixed shell 30 through the oil guide pipe 32, so that the sliding block 33 moves to drive the second baffle plate 34 to reset, and the second flow hole of the first baffle plate 23 is re-blocked through the second baffle plate 34.

[0054] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention rather than to limit the scope of protection of the present invention. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solution of the present invention can be modified or replaced by equivalents without departing from the essence and scope of the technical solution of the present invention.

Claims

1. A self-cleaning trash rack for a pump station forebay, characterized by: The invention comprises a first fixing frame (1), a second fixing frame (2) being slidably connected inside the first fixing frame (1), a spring being fixedly connected between the first fixing frame (1) and the second fixing frame (2), a plurality of groups of fixed shafts (201) being fixedly connected to the second fixing frame (2) being equidistantly distributed, the fixed shafts (201) being rotatably connected to grid plates (3) distributed in a linear array, adjacent grid plates (3) on different fixed shafts (201) in the same group being in contact with each other, torsion springs being fixedly connected between the grid plates (3) distributed in a linear array and adjacent fixed shafts (201), and a cleaning component for cleaning garbage attached to all the grid plates (3) being arranged on the first fixing frame (1); The cleaning assembly comprises a symmetrically distributed third fixing frame (4), the symmetrically distributed third fixing frame (4) is fixedly connected to the upper side of the first fixing frame (1), the opposite sides of the symmetrically distributed third fixing frame (4) are installed with a first electric slide rail (5), the first electric slide rails (5) on the symmetrically distributed third fixing frame (4) have different horizontal heights, the first electric slide rail (5) is slidably connected to a plurality of first electric sliders, two adjacent first electric sliders on different first electric slide rails (5) are commonly fixedly connected to a fourth fixing frame (6), a symmetrically distributed electric shaft (7) is installed on the inner side of the fourth fixing frame (6), a plurality of groups of threaded portions are arranged on the electric shaft (7) at equal intervals, adjacent threaded portions of different electric shafts (7) of the same fourth fixing frame (6) are commonly threadedly connected to a sliding member (8), a baffle plate (12) is fixedly connected to the inner side of the fourth fixing frame (6), and the sliding member (8) is slidably matched with the adjacent baffle plate (12); Two groups of L-shaped blocks (10) are arranged on the sliding member (8) at equal intervals. The L-shaped block (10) located in the middle of the L-shaped blocks (10) in the same group is fixedly connected to the adjacent sliding member (8), and the remaining L-shaped blocks (10) are slidably connected to the adjacent sliding members (8). An elastic plate (11) is fixedly connected between adjacent L-shaped blocks (10) in the same group for clamping garbage between adjacent grid plates (3).

2. A self-cleaning trash rack for a pump station forebay according to claim 1, characterized in that: A limiting portion (301) is provided on one side of the grid plate (3), and the limiting portion (301) cooperates with the second fixing frame (2) in limiting manner.

3. A self-cleaning trash rack for a pump station forebay according to claim 1, characterized in that: The lower side of the fourth fixing frame (6) is fixedly connected to a limiting column (13); the first fixing frame (1) is provided with a telescopic plate (1401); the first fixing frame (1) is fixedly connected to a rotating shaft (15); a first guide wheel (16) is rotatably connected to the rotating shaft (15); a pull rope is wound around the first guide wheel (16); the pull rope passes through the second fixing frame (2) and is fixedly connected to a limiting seat (14); the limiting seat (14) is limitedly matched with both the second fixing frame (2) and the first fixing frame (1); the limiting seat (14) is limitedly matched with the limiting column (13); a second guide wheel (17) is rotatably connected to the rotating shaft (15); a pull rope fixedly connected to the second fixing frame (2) is wound around the second guide wheel (17); the second guide wheel (17) is connected to the first guide wheel (16) via a coil spring.

4. A self-cleaning trash rack for a pump station forebay according to claim 3, characterized in that: The elastic coefficient of the coil spring between the second guide wheel (17) and the first guide wheel (16) is greater than the elastic coefficient of the spring between the second fixing frame (2) and the first fixing frame (1), and is used to control the movement of the second fixing frame (2).

5. A self-cleaning trash rack for a pump station forebay according to claim 3, characterized in that: The outer side surface of the limit seat (14) is a spherical surface, which is used to reset the limit seat (14).

6. A self-cleaning trash rack for a pump station forebay according to claim 3, characterized in that: The first fixing shell (18) is also included. The first fixing shell (18) is installed on a side of one of the third fixing frames (4) away from the first electric slide rail (5) adjacent thereto. A first piston rod (19) is sealingly and slidably connected inside the first fixing shell (18). An L-shaped frame (20) is fixedly connected to the telescopic end of the first piston rod (19). A side of the L-shaped frame (20) away from the telescopic end of the first piston rod (19) is provided with an inclined surface that is pressed and matched with all the fourth fixing frames (6). The third fixing frame (4) near the first fixing shell (18) is installed A second fixed shell (21) is provided, the second fixed shell (21) is fixedly connected to the first fixed shell (18) and is connected to an oil delivery pipe, a second piston rod (22) is sealingly and slidably connected in the second fixed shell (21), and a spring is fixedly connected between the two, a first baffle plate (23) is fixedly connected in the second fixed shell (21), the first baffle plate (23) is located on a side of the second fixed shell (21) away from the telescopic end of the second piston rod (22), a first flow hole is provided on the first baffle plate (23), a one-way valve is installed in the first flow hole, and a first flow hole is provided near the second fixed shell (21). The third fixed frame (4) of the fixed housing (21) is installed with a U-shaped frame (24), a T-shaped plate (25) is slidably connected inside the U-shaped frame (24), the telescopic end of the second piston rod (22) passes through the U-shaped frame (24) and is fixedly connected to the T-shaped plate (25), and the first material guide shell (26) and the second material guide shell (27) are rotatably connected to the symmetrically distributed third fixed frame (4) through a mounting seat, the first material guide shell (26) and the adjacent second material guide shell (27) are coaxially connected, and the first material guide shell (26) and the second material guide shell (27) close to the T-shaped plate (25) are connected to each other. A pull rope is fixedly connected between the material guide shell (27) and the T-shaped plate (25); a torsion spring is fixedly connected between the adjacent mounting seats on the transmission shafts of the symmetrically distributed first material guide shell (26) and the second material guide shell (27); transmission is transmitted between the symmetrically distributed first material guide shell (26) and the second material guide shell (27) through a transmission member; a second electric slide rail (28) is installed on the symmetrically distributed third fixed frame (4); a second electric slider is slidably connected inside the second electric slide rail (28); and a partition (29) is installed together with the symmetrically distributed second electric sliders.

7. A self-cleaning trash rack for a pump station forebay according to claim 6, characterized in that: A third fixed shell (30) is installed on the second electric slide rail (28) near the second fixed shell (21); a third piston rod (31) is sealed and slidably connected in the third fixed shell (30); a spring is fixedly connected between the third piston rod (31); the telescopic end of the third piston rod (31) is limitedly matched with the adjacent second electric slide block; the third fixed shell (30) is fixedly connected and communicated with an oil guide pipe (32); a cavity is provided in the first sealing plate (23); the oil guide pipe (32) passes through the second fixed shell (21) and is connected to the The cavity of the first isolation plate (23) is connected, and a sliding block (33) and a second isolation plate (34) are sealed and slidably connected in the cavity of the first isolation plate (23). The first isolation plate (23) is provided with a second flow hole, and the second isolation plate (34) is provided with a third flow hole that is connected and matched with the second flow hole on the first isolation plate (23). The second isolation plate (34) is sealed and matched with the second flow hole on the first isolation plate (23), and the sliding block (33) is fixedly connected to the second isolation plate (34).

8. A self-cleaning trash rack for a pump station forebay according to claim 6, characterized in that: A plurality of fourth fixed shells (35) are fixedly connected to the first material guide shell (26) and the second material guide shell (27); a spring is fixedly connected to a side of the fourth fixed shell (35) away from the adjacent first material guide shell (26) and the second material guide shell (27); a counterweight block (36) is slidably connected to the fourth fixed shell (35); the first material guide shell (26) and the second material guide shell (27) are respectively in contact with and fit with the adjacent counterweight block (36); and the counterweight block (36) is pressed and fit with the spring in the adjacent fourth fixed shell (35).

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