CN112442972A - Dirt cleaning device for drain grating of pumped storage hydropower station - Google Patents

Dirt cleaning device for drain grating of pumped storage hydropower station Download PDF

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Publication number
CN112442972A
CN112442972A CN202011206084.6A CN202011206084A CN112442972A CN 112442972 A CN112442972 A CN 112442972A CN 202011206084 A CN202011206084 A CN 202011206084A CN 112442972 A CN112442972 A CN 112442972A
Authority
CN
China
Prior art keywords
movable plate
motor
cutting knife
trash rack
cutting
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202011206084.6A
Other languages
Chinese (zh)
Inventor
马春程
刘雪竹
王勇
解永泽
马聪
刘帅
车静萱
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jilin Dunhua Pumped Storage Co ltd
State Grid Corp of China SGCC
State Grid Xinyuan Co Ltd
Original Assignee
Jilin Dunhua Pumped Storage Co ltd
State Grid Corp of China SGCC
State Grid Xinyuan Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Jilin Dunhua Pumped Storage Co ltd, State Grid Corp of China SGCC, State Grid Xinyuan Co Ltd filed Critical Jilin Dunhua Pumped Storage Co ltd
Priority to CN202011206084.6A priority Critical patent/CN112442972A/en
Publication of CN112442972A publication Critical patent/CN112442972A/en
Pending legal-status Critical Current

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    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02BHYDRAULIC ENGINEERING
    • E02B15/00Cleaning or keeping clear the surface of open water; Apparatus therefor
    • E02B15/04Devices for cleaning or keeping clear the surface of open water from oil or like floating materials by separating or removing these materials
    • E02B15/06Barriers therefor construed for applying processing agents or for collecting pollutants, e.g. absorbent
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02BHYDRAULIC ENGINEERING
    • E02B15/00Cleaning or keeping clear the surface of open water; Apparatus therefor
    • E02B15/04Devices for cleaning or keeping clear the surface of open water from oil or like floating materials by separating or removing these materials
    • E02B15/10Devices for removing the material from the surface

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Cleaning In General (AREA)

Abstract

The invention relates to the field of hydropower station reservoir dirt cleaning equipment, in particular to a dirt cleaning device for a sewage bar of a pumped storage hydropower station. The trash rack comprises a fixing frame arranged on one side of a water inlet of a trash rack body, a lifting adjusting mechanism located at the top end of the fixing frame, and a trash cleaning mechanism connected with the inner side of the fixing frame in a sliding mode. The fixing frame is of an inverted U-shaped structure. The lifting adjusting mechanism comprises a double-shaft motor, a long shaft connected with shaft parts at two ends of the double-shaft motor, a winding wheel sleeved on the end part of the long shaft, and a rope wound on the winding wheel. The dirt removing mechanism comprises a movable plate, a cutting mechanism, a driving mechanism and a collecting box, wherein the cutting mechanism is connected with one side of the movable plate in a sliding mode, the driving mechanism is located in an inner cavity of the movable plate and used for the cutting mechanism to move transversely, and the collecting box is located at the bottom of the movable plate. The driving mechanism comprises a motor, a screw rod connected with the shaft part of the motor and a movable block in threaded connection with the screw rod. The structure is reasonable, the operation is convenient, the labor force is saved, and the labor intensity of workers is greatly saved.

Description

Dirt cleaning device for drain grating of pumped storage hydropower station
Technical Field
The invention relates to the field of hydropower station reservoir dirt cleaning equipment, in particular to a dirt cleaning device for a sewage bar of a pumped storage hydropower station.
Background
In the prior art, a plurality of branches, leaves, garbage bags and other pollutants can often float in the water storage tank of the power station, so that a trash rack is arranged at a water inlet of the water turbine to prevent the pollutants from entering the water turbine, and the water head loss and the equipment damage are avoided. In the using process of the trash rack, a large amount of sundries are accumulated for a long time, so that the use of the trash rack is influenced, the loss of a water head is caused, and the trash rack needs to be cleaned.
The existing cleaning method mainly utilizes machinery to clean dirt, the dirt in a pool is cleaned by a dirt cleaning machine, manual auxiliary operation is needed, time is taken, the dirt on a trash rack cannot be cleaned effectively, some reservoirs can be cleaned manually, stop work of a power station is not only caused, and the dirt in deep water can not be cleaned completely, in addition, most of the dirt can be wound or adhered on the trash rack, the existing cleaning device is mainly in a fishing mode, the adhered dirt cannot be cleaned completely, and when a large object is encountered, the cleaning method is labor-consuming and not beneficial to cleaning the dirt.
Disclosure of Invention
The invention aims to provide a sewage cleaning device for a drain grating of a pumped storage hydropower station, which has a good use effect and a reasonable structure.
The technical scheme of the invention is as follows: the device for cleaning the dirt on the trash rack of the pumped storage hydropower station is characterized by comprising a fixing frame arranged on one side of a water inlet of a trash rack body, a lifting adjusting mechanism positioned at the top end of the fixing frame and a dirt cleaning mechanism in sliding connection with the inner side of the fixing frame.
The fixing frame is of an inverted U-shaped structure.
The lifting adjusting mechanism comprises a double-shaft motor, a long shaft connected with shaft parts at two ends of the double-shaft motor, a winding wheel sleeved on the end part of the long shaft, and a rope wound on the winding wheel.
The dirt removing mechanism comprises a movable plate, a cutting mechanism, a driving mechanism and a collecting box, wherein the cutting mechanism is connected with one side of the movable plate in a sliding mode, the driving mechanism is located in an inner cavity of the movable plate and used for the cutting mechanism to move transversely, and the collecting box is located at the bottom of the movable plate.
The driving mechanism comprises a motor, a screw rod connected with the shaft part of the motor and a movable block in threaded connection with the screw rod.
The cutting mechanism comprises a waterproof shell, a cutting motor positioned in an inner cavity of the waterproof shell, a baffle connected with the shaft part of the cutting motor, and a cutting knife fixedly connected with the baffle, wherein the cutting knife is of a disc structure, and the movable block is fixedly connected with the side wall of the waterproof shell.
In the above-mentioned scheme, the first step of the method,
the baffle is circular structure, the baffle is located cutting knife one side and is provided with connecting lug, connecting lug surface is provided with the spacing groove, the cutting knife surface corresponds with the spacing groove and is provided with the stopper, the size of stopper is identical with the size of spacing groove, just stopper and spacing groove are equilateral triangle structure, just the cutting knife is kept away from stopper one side and is provided with equidistant evenly distributed's brush hair.
The surface of the connecting lug is provided with a threaded hole at the outer side of the limiting groove, the surface of the cutting knife is provided with a mounting hole corresponding to the threaded hole, and the cutting knife is fixedly connected with the connecting lug through a screw.
The bottom of the collecting box is provided with water leakage holes which are uniformly distributed at equal intervals, and one side of the top end of the collecting box is fixedly connected with the bottom of the movable plate through a fixed plate.
The fixed plate is of an L-shaped structure.
The movable plate is characterized in that an opening is formed in the joint of the movable plate and the movable block, the size of the movable block is matched with that of the opening, and the movable block is connected with the opening in a sliding mode.
The long shaft is rotated by starting the double-shaft motor, so that the rope is released by the winding wheel, the movable plate is lowered to the height of one movable plate at each time, the motor and the cutting motor are started simultaneously, the waterproof shell drives the cutting knife to transversely and slowly move under the matching of the screw rod and the movable block, the cutting motor enables the baffle and the cutting knife to rotate simultaneously, the cutting knife is in surface contact with the trash rack, so that the dirt wound on the trash rack can be crushed by the blade, the dirt directly falls into the collecting box below the cutting knife, meanwhile, the bristles can penetrate into the trash rack to clean the trash rack during cutting, the dirt adhered to the trash rack is shaken off by the shake generated by cleaning, the dirt on the trash rack is cleaned, and the cleaned dirt cannot be left on one side of the trash rack, after the clearance finishes, can mention the fly leaf through the biax motor to make the staff can handle the filth in the collecting box, under lift adjustment mechanism and actuating mechanism's effect, make the cutting knife remove about can going on the trash rack, thereby make the trash rack can be cleared up comprehensively, through the cooperation between stopper and the spacing groove, be convenient for dismantle and install the cutting knife, thereby be convenient for change the cutting knife.
The invention has the advantages that: 1. the automatic degree is high, and is rational in infrastructure, and the labour has been saved in the operation of being convenient for to workman's intensity of labour has been saved greatly. 2. The double-shaft motor drives the trash removal mechanism to move up and down and the cutting mechanism to move left and right, so that the trash on the trash rack can be cleaned comprehensively. 3. The double-shaft motor and the sewage disposal mechanism are arranged in a door type structure, so that the structure is compact and reasonable. 4. The baffle and the cutting knife are matched with each other through the limiting block and the limiting groove, so that the cutting knife can be conveniently detached and installed, and the cutting knife can be conveniently replaced. 5. The cutting mechanism one side is provided with equidistant evenly distributed's brush hair, under the effect of brush hair, can clean the filth of adhesion on the trash rack and drop for the filth drops and collects on the collecting box.
Embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.
Drawings
FIG. 1 is a schematic diagram of the present invention.
Fig. 2 is a schematic view of the structure of the cleaning mechanism in the invention.
Fig. 3 is a top view of fig. 2.
Fig. 4 is a schematic view of the structure of the collecting tank of the present invention.
Fig. 5 is a schematic view of the cutting mechanism of the present invention.
FIG. 6 is a schematic view showing the structure of the cutter blade attachment in the present invention.
FIG. 7 is a schematic view showing a connection structure of a baffle plate and a cutter blade according to the present invention.
Detailed Description
Referring to fig. 1-7, the part names are as follows: 1. a fixed mount; 2. a double-shaft motor; 3. a long axis; 4. a winding wheel; 5. a dirt removing mechanism; 6. a trash rack body; 7. a rope; 8. a chute; 9. a movable plate; 10. a collection box; 11. a slider; 12. fixing the ear; 13. an opening; 14. a waterproof shell; 15. a cutting mechanism; 16. a motor; 17. a movable block; 18. a fixing plate; 19. a water leakage hole; 20. a baffle plate; 21. a cutting knife; 22. brushing; 23. a limiting block; 24. mounting holes; 25. a connection bump; 26. a limiting groove; 27. a threaded hole; 28. and a screw rod.
Referring to fig. 1-7, the device for cleaning dirt on the trash rack of the pumped storage hydropower station comprises a fixed frame 1 arranged on one side of a water inlet of a trash rack body 6, a lifting adjusting mechanism positioned at the top end of the fixed frame 1, and a dirt cleaning mechanism 5 connected with the inner side of the fixed frame 1 in a sliding manner; the fixing frame 1 is of an inverted U-shaped structure (or a door frame structure), and the distance between two vertical parts in the fixing frame 1 is greater than the length of the trash rack body 6; the lifting adjusting mechanism comprises a double-shaft motor 2, a long shaft 3 connected with the shaft parts at two ends of the double-shaft motor 2, a winding wheel 4 sleeved at the end part of the long shaft 3, and a rope 7 wound on the winding wheel 4; the trash cleaning mechanism 5 comprises a movable plate 9, a cutting mechanism 15, a driving mechanism and a collecting box 10, wherein the cutting mechanism 15 is connected with one side of the movable plate 9 in a sliding mode, the driving mechanism is located in an inner cavity of the movable plate 9 and used for driving the cutting mechanism 15 to move transversely, the collecting box 10 is located at the bottom of the movable plate 9, and the bottom of the rope 7 is fixedly connected with the upper surface of the movable plate 9.
Bearing seats are arranged on two sides of the upper surface of the fixing frame 1, the long shaft 3 is rotatably connected with the bearing seats through bearings, and the long shaft 3 is supported through the bearing seats.
The fixing frame is characterized in that through holes are correspondingly formed in the two sides of the upper surface of the fixing frame 1 and the ropes 7, the diameter of each through hole is larger than that of each rope 7, and the ropes 7 can move in the through holes through the through holes.
The driving mechanism comprises a motor 16, a screw rod 28 connected with the shaft part of the motor 16 and a movable block 17 in threaded connection with the screw rod 28, and the cutting mechanism 15 can move transversely through the cooperation among the motor 16, the screw rod 28 and the movable block 17.
Cutting mechanism 15 includes waterproof case 14, is located the cutting motor of waterproof case 14 inner chamber, with the baffle 20 that the cutting motor axial region is connected to and with baffle 20 fixed connection's cutting knife 21, cutting knife 21 is the disc structure, movable block 17 and 14 lateral walls fixed connection of waterproof case, through the setting of baffle 20, when cutting knife 21 rotates and cuts the filth, can effectively prevent that the phenomenon that the filth bounces out from the cutting knife 21 back from taking place for baffle 20 can play the effect of blockking to the filth, makes the filth can fall perpendicularly.
The baffle 20 is circular structure, the baffle 20 is located cutting knife 21 one side and is provided with connecting lug 25, connecting lug 25 surface is provided with spacing groove 26, cutting knife 21 surface corresponds with spacing groove 26 and is provided with stopper 23, the size of stopper 23 is identical with the size of spacing groove 26, just stopper 23 and spacing groove 26 are equilateral triangle structure, just cutting knife 21 keeps away from stopper 23 one side and is provided with equidistant evenly distributed's brush hair 22, through the cooperation between stopper 23 and the spacing groove 26 for cutting knife 21 is more firm, thereby is favorable to cutting knife 21's normal work, and under the effect of brush hair 22, can clean the filth of adhesion on trash rack and drop for the filth drops to and collects on collecting box 10.
The outside that the connecting lug 25 surface is located spacing groove 26 is provided with screw hole 27, the cutting knife 21 surface corresponds with screw hole 27 and is provided with mounting hole 24, through screw fixed connection between cutting knife 21 and the connecting lug 25, because cutting knife 21 is the vulnerable article, through the setting of screw hole 27 and mounting hole 24, be convenient for dismantle and install cutting knife 21 to be convenient for change cutting knife 21.
The size of the opening at the top end of the collecting box 10 is larger than that of the bottom of the collecting box 10, the opening of the collecting box 10 is located under the cutting mechanism 15, the bottom of the collecting box 10 is provided with water leakage holes 19 which are evenly distributed at equal intervals, one side of the top end of the collecting box 10 is fixedly connected with the bottom of the movable plate 9 through the fixing plate 18, the fixing plate 18 is of an L-shaped structure, and when the collecting box 10 is lifted up, water flow can flow out of the water leakage holes 19 conveniently.
The both sides inner wall of mount 1 all is provided with spout 8, the both sides of fly leaf 9 correspond with spout 8 and are provided with slider 11, slider 11 and spout 8 sliding connection, just the upper surface both sides of fly leaf 9 correspond with rope 7 and are provided with fixed ear 12, rope 7 and fixed ear 12 fixed connection have played limiting displacement to fly leaf 9 through the cooperation between slider 11 and the spout 8.
The connection of the movable plate 9 and the movable block 17 is provided with an opening 13, the size of the movable block 17 is matched with that of the opening 13, the movable block 17 is connected with the opening 13 in a sliding mode, and the movable block 17 is limited by the opening 13.
The working principle is as follows: fixing the fixing frame 1 on one side of the water inlet of the trash rack, fixing the fixing frame 1 on the dam bars on two sides, so that the worker can conveniently walk to the top end of the fixing frame 1 from the dam bars, after the device is installed, starting the double-shaft motor 2 to rotate the long shaft 3, so that the rope 7 is released by the winding wheel 4, the descending height of the movable plate 9 is the height of the movable plate 9 each time, simultaneously starting the motor 16 and the cutting motor, at the moment, under the matching of the screw rod 28 and the movable block 17, the waterproof shell 14 drives the cutting knife 21 to transversely and slowly move, simultaneously, the cutting motor enables the baffle 20 and the cutting knife 21 to rotate, as the cutting knife 21 is in surface contact with the trash rack, the dirt wound on the trash rack can be crushed by the cutting knife, the dirt can directly fall into the collecting box 10 below the cutting knife 21, and simultaneously, during cutting, the brush hair 22 can alternate and clean the trash rack in the trash rack, make the filth of adhesion on the trash rack by the vibrations shake that the production was cleaned, thereby be favorable to clearing up the filth on the trash rack, filth after the clearance simultaneously can not persist in trash rack one side, after the clearance finishes, can mention fly leaf 10 through biax motor 2, thereby make the staff can handle the filth in the collecting box 10, under lift adjustment mechanism and actuating mechanism's effect, make cutting knife 21 can control about going on the trash rack, thereby make the trash rack can be cleared up comprehensively.
The foregoing description is only exemplary of the invention and is not intended to limit the spirit of the invention.

Claims (6)

1. The device for cleaning the dirt on the trash rack of the pumped storage hydropower station is characterized by comprising a fixed frame (1) arranged on one side of a water inlet of a trash rack body (6), a lifting adjusting mechanism positioned at the top end of the fixed frame (1) and a dirt cleaning mechanism (5) in sliding connection with the inner side of the fixed frame (1);
the fixing frame (1) is of an inverted U-shaped structure;
the lifting adjusting mechanism comprises a double-shaft motor (2), a long shaft (3) connected with shaft parts at two ends of the double-shaft motor (2), a winding wheel (4) sleeved on the end part of the long shaft (3), and a rope (7) wound on the winding wheel (4);
the dirt cleaning mechanism (5) comprises a movable plate (9), a cutting mechanism (15) is connected with one side of the movable plate (9) in a sliding mode, a driving mechanism which is located in the inner cavity of the movable plate (9) and used for enabling the cutting mechanism (15) to move transversely, and a collecting box (10) located at the bottom of the movable plate (9);
the driving mechanism comprises a motor (16), a screw rod (28) connected with the shaft part of the motor (16), and a movable block (17) in threaded connection with the screw rod (28);
cutting mechanism (15) are including buckler (14), are located the cutting motor of buckler (14) inner chamber, with baffle (20) that the cutting motor axial region is connected to and with baffle (20) fixed connection's cutting knife (21), cutting knife (21) are the disc structure, movable block (17) and buckler (14) lateral wall fixed connection.
2. The pumped storage hydropower station trash rack dirt cleaning device of claim 1, wherein the baffle (20) is of a circular structure, a connecting bump (25) is arranged on one side of the cutting knife (21) of the baffle (20), a limiting groove (26) is arranged on the surface of the connecting bump (25), a limiting block (23) is arranged on the surface of the cutting knife (21) corresponding to the limiting groove (26), the size of the limiting block (23) is matched with that of the limiting groove (26), the limiting block (23) and the limiting groove (26) are both of an equilateral triangle structure, and bristles (22) are uniformly distributed at equal intervals on one side of the cutting knife (21) away from the limiting block (23).
3. The pumped storage hydropower station trash rack cleaning device of claim 2, wherein the surface of the connecting projection (25) is provided with a threaded hole (27) at the outer side of the limiting groove (26), the surface of the cutting knife (21) is provided with a mounting hole (24) corresponding to the threaded hole (27), and the cutting knife (21) is fixedly connected with the connecting projection (25) through a screw.
4. The pumped storage hydropower station trash rack cleaning device of claim 1, wherein the bottom of the collection box (10) is provided with uniformly distributed water leakage holes (19) at equal intervals, and one side of the top end of the collection box (10) is fixedly connected with the bottom of the movable plate (9) through a fixed plate (18).
5. The pumped-storage hydroelectric station drain bar dirt cleaning apparatus of claim 4, wherein the mounting plate (18) is of an "L" configuration.
6. The pumped-storage hydropower station trash rack cleaning device according to claim 1, wherein an opening (13) is formed at the joint of the movable plate (9) and the movable block (17), the size of the movable block (17) is matched with that of the opening (13), and the movable block (17) is in sliding connection with the opening (13).
CN202011206084.6A 2020-11-02 2020-11-02 Dirt cleaning device for drain grating of pumped storage hydropower station Pending CN112442972A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011206084.6A CN112442972A (en) 2020-11-02 2020-11-02 Dirt cleaning device for drain grating of pumped storage hydropower station

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011206084.6A CN112442972A (en) 2020-11-02 2020-11-02 Dirt cleaning device for drain grating of pumped storage hydropower station

Publications (1)

Publication Number Publication Date
CN112442972A true CN112442972A (en) 2021-03-05

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ID=74736214

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011206084.6A Pending CN112442972A (en) 2020-11-02 2020-11-02 Dirt cleaning device for drain grating of pumped storage hydropower station

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Country Link
CN (1) CN112442972A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113265987A (en) * 2021-06-24 2021-08-17 苏州市水利设计研究院有限公司 Intelligent pump station trash rack system
CN115387302A (en) * 2022-08-22 2022-11-25 黄河水利职业技术学院 Automatic dirt cleaning equipment for hydropower station
CN116219983A (en) * 2023-05-06 2023-06-06 河北省水利科学研究院(河北省大坝安全技术中心、河北省堤防水闸技术中心) Trash rack cleaning device for hydraulic engineering

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113265987A (en) * 2021-06-24 2021-08-17 苏州市水利设计研究院有限公司 Intelligent pump station trash rack system
CN115387302A (en) * 2022-08-22 2022-11-25 黄河水利职业技术学院 Automatic dirt cleaning equipment for hydropower station
CN115387302B (en) * 2022-08-22 2023-10-27 黄河水利职业技术学院 Automatic trash cleaning equipment for hydropower station
CN116219983A (en) * 2023-05-06 2023-06-06 河北省水利科学研究院(河北省大坝安全技术中心、河北省堤防水闸技术中心) Trash rack cleaning device for hydraulic engineering

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