CN220057857U

CN220057857U - Pumped storage hydropower station trash rack dirt cleaning device

Info

Publication number: CN220057857U
Application number: CN202320482105.XU
Authority: CN
Inventors: 王全锦; 张金来; 陈冬瑞; 黄大杰; 高安建; 张沁阳; 邢军; 贾飞
Original assignee: China Water Resource And Hydropower Engineering Consultancy Beijing Ltd
Current assignee: China Water Resource And Hydropower Engineering Consultancy Beijing Ltd
Priority date: 2023-03-14
Filing date: 2023-03-14
Publication date: 2023-11-21
Anticipated expiration: 2033-03-14

Abstract

The utility model discloses a pumped storage hydropower station trash rack dirt cleaning device which comprises a fixing frame and a trash rack body, wherein the trash rack body is arranged at the back of the fixing frame, a driving box is transversely arranged in the fixing frame, one side, close to the trash rack body, of the driving box is rotationally connected with a plurality of groups of cleaning mechanisms through a rotating shaft, and a linkage mechanism for driving the plurality of groups of cleaning mechanisms to synchronously rotate is arranged in the driving box.

Description

Pumped storage hydropower station trash rack dirt cleaning device

Technical Field

The utility model relates to the technical field of hydropower station reservoir trash cleaning equipment, in particular to a pumped storage hydropower station trash rack trash cleaning device.

Background

Pumped storage hydropower station is a common type of hydropower station, in the prior art, a great number of branches, leaves, garbage bags and other dirt can often float in a power station reservoir, so a trash rack is arranged at a water inlet of a water turbine to prevent dirt from entering the water turbine, so that head loss and equipment damage are avoided. The trash rack is in the in-process of using, bears a large amount of debris to pile up for a long time, not only influences the use of trash rack, can also cause the loss of water head, so need clear up the trash rack. The existing cleaning method mainly uses machinery to clean dirt, mainly adopts a trash remover to clean the dirt in a pool, but needs manual auxiliary operation, is time-consuming, can not effectively clean the dirt on the trash rack, can manually clean some reservoirs, not only can cause a power station to stop working, but also can clean the deep water dirt, in addition, the dirt is mostly wound or adhered on the trash rack, and the existing cleaning device is mainly in a salvaging form and can not clean the adhered dirt.

Through searching, technologies related to a device for cleaning dirt in a reservoir are disclosed in patent documents, such as Chinese patent publication number: CN214061535U discloses a pumped storage hydropower station trash rack dirt cleaning device, which comprises a fixed frame arranged at one side of a water inlet of a trash rack body, a lifting adjusting mechanism positioned at the top end of the fixed frame, and a trash cleaning mechanism connected with the inner side of the fixed frame in a sliding manner. 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 at the end part of the long shaft, and a rope wound on the winding wheel. The trash cleaning mechanism comprises a movable plate, a cutting mechanism connected with one side of the movable plate in a sliding manner, a driving mechanism which is positioned in the inner cavity of the movable plate and used for transversely moving the cutting mechanism, and a collecting box positioned at the bottom of the movable plate.

Above-mentioned current scheme is through, through the upward and downward movement of biax motor drive trash-cleaning mechanism and cutting mechanism side-to-side movement, does benefit to the filth on the trash rack and carries out comprehensive clearance, but still has some shortages, its structure is complicated, and its trash rack filth clearance in-process needs a plurality of motors to cooperate and uses, can cause the device to stop working promptly when a motor trouble, and the reliability is not high, and manufacturing cost is higher, and the filth that the clearance was got off on the bars filth is inconvenient for collecting in a concentrated way, reduces work efficiency.

Disclosure of Invention

1. Technical problem to be solved by the utility model

Aiming at the defects of the prior art, the utility model aims to provide a pumped storage hydropower station trash rack trash cleaning device, which is optimized in structure, does not need to be matched with excessive motors for cleaning and uses, and saves cost.

2. Technical proposal

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a pumped storage power station trash rack filth cleaning device, includes mount and trash rack body, the trash rack body sets up in the back of mount, the inside drive case that transversely is provided with of mount, one side that the drive case is close to the trash rack body is rotated through the pivot and is connected with multiunit clean mechanism, the inside link gear that is used for driving multiunit clean mechanism synchronous rotation that is provided with of drive case, the spacing groove that link up with it has all been seted up vertically to the mount both sides, the limit groove is arranged in at the drive case both ends and sliding fit with it, the collecting box is installed to the drive case bottom, the collecting box top is provided with the receiving mouth, the receiving mouth extends to clean mechanism's below, the inside collection box is provided with gathers materials the mechanism, it is provided with the actuating mechanism that is used for driving the drive case reciprocates to draw together the mount top.

Preferably, the linkage mechanism comprises worm wheels and a linkage rod, one end of the rotating shaft extends into the driving box and is connected with the worm wheels, the linkage rod is rotationally connected into the driving box, and worm sections meshed with the worm wheels are arranged on the linkage rod at the positions of each worm wheel.

Preferably, the linkage mechanism further comprises a first gear and a long rack, the long rack is vertically arranged on one side of the outer wall of the fixing frame, the long rack is fixedly connected with the fixing frame through a fixing rod, one end of the linkage rod extends to the outside of the driving box and penetrates through the limiting groove to be connected with the first gear, and the first gear is meshed with the long rack.

Preferably, the mechanism that gathers materials includes lead screw, guide bar and scraper blade, the lead screw rotates the inside of being connected in the collecting box, guide bar fixed connection is in the inside of collecting box, the inside of collecting box is arranged in to the scraper blade, the outer wall and the collecting box inner wall of scraper blade laminate mutually, scraper blade and lead screw threaded connection, scraper blade and guide bar sliding connection.

Preferably, the collecting mechanism further comprises a second gear and a short rack, the short rack is vertically arranged on the other side of the outer wall of the fixing frame, the short rack is fixedly connected to the top end of the fixing frame through a fixing rod, one end of the screw rod extends to the outside of the collecting box and penetrates through the limiting groove to be connected with the second gear, and the second gear is meshed with the short rack.

Preferably, the side wall and the bottom end of the collecting box are provided with water leakage holes, and one side of the front end face of the collecting box is provided with a discharging door.

Preferably, the driving mechanism comprises a motor, a driving shaft, a bearing seat, winding wheels and a pull rope, wherein the motor is arranged on one side of the top of the fixing frame, the output end of the motor is connected with the driving shaft, both ends of the driving shaft are arranged on the fixing frame through the bearing seat, the driving shaft is fixedly sleeved with the two winding wheels, the winding wheels are wound with the pull rope, and one end of the pull rope penetrates through the fixing frame and is connected with the driving box.

3. Advantageous effects

Compared with the prior art, the utility model has the beneficial effects that:

(1) According to the utility model, through the arranged linkage mechanism, the linkage mechanism comprises the worm wheel, the linkage rod, the first gear and the long rack, the linkage rod is driven to rotate through the cooperation of the first gear and the long rack when the driving mechanism drives the driving box to move up and down, so that the worm section on the linkage rod drives the worm wheel to rotate, and then the rotating shaft and the cleaning mechanism are driven to rotate to clean dirt on the trash rack, the structure is optimized, the use of excessive motors is not needed, and the cost is saved.

(2) According to the utility model, through the arranged collecting mechanism, the collecting mechanism comprises the screw rod, the guide rod, the scraping plate, the second gear and the short rack, after the trash rack is cleaned, the driving box and the collecting box are moved and lifted to the inner top end of the fixing frame, and the screw rod is driven to rotate through the cooperation of the second gear and the short rack, so that the scraping plate is driven to move in the collecting box, and the dirt collected in the collecting box is intensively pushed to the discharging door of the collecting box, so that the dirt is conveniently taken out, the working efficiency is improved, and the collecting mechanism does not need the use of a motor and is worthy of popularization.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a pumped-storage hydropower station trash rack trash cleaning device;

FIG. 2 is a schematic diagram II of the overall structure of a pumped-storage hydropower station trash rack trash cleaning device;

FIG. 3 is a schematic diagram of the internal structure of a driving box of the pumped-storage hydropower station trash rack trash cleaning device;

fig. 4 is a schematic diagram of the internal structure of a collection box of the pumped-storage hydropower station trash rack trash cleaning device.

In the figure: 1. a fixing frame; 101. a limit groove; 2. a trash rack body; 3. a drive box; 4. a cleaning mechanism; 5. a collection box; 501. a discharge gate; 6. a driving mechanism; 601. a motor; 602. a drive shaft; 603. a bearing seat; 604. a winding wheel; 605. a pull rope; 7. a long rack; 8. a short rack; 9. a rotating shaft; 10. a linkage mechanism; 1001. a worm wheel; 1002. a linkage rod; 1003. a worm section; 1004. a first gear; 11. a collection mechanism; 1101. a screw rod; 1102. a guide rod; 1103. a scraper; 1104. and a second gear.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments, and all other embodiments obtained by those skilled in the art without making creative efforts based on the embodiments of the present utility model are included in the protection scope of the present utility model.

Examples: this embodiment provides a pumped storage power station trash rack filth cleaning device, and this cleaning device is used for clearing up the trash on the trash rack of pumped storage power station, helps the clearance and the collection of filth, can not influence the rate of passage of trash rack department rivers, and optimizes the structure, need not the use of too much motor, practices thrift the cost.

Referring to fig. 1-4, a pumped storage hydroelectric station trash rack dirt cleaning device, this trash rack dirt cleaning device includes mount 1 and trash rack body 2, trash rack body 2 sets up in the back of mount 1, the inside horizontal driving case 3 that is provided with of mount 1, one side that driving case 3 is close to trash rack body 2 rotates through pivot 9 and is connected with multiunit cleaning mechanism 4, driving case 3 inside is provided with and is used for driving multiunit cleaning mechanism 4 synchronous pivoted link gear 10, the spacing groove 101 that link up it has all been seted up vertically in mount 1 both sides, driving case 3 both ends are arranged in spacing groove 101 and sliding fit with it, collecting box 5 is installed to driving case 3 bottom, collecting box 5 top is for being provided with the receiving material mouth, the below of receiving material mouth extends to cleaning mechanism 4, collecting box 5 inside is provided with aggregate mechanism 11, including the driving mechanism 6 that is used for driving case 3 reciprocates, this cleaning device is when carrying out the clearance to trash on the trash rack of hydroelectric station, drive case 3 lift up and down through driving mechanism 6, in the driving case 3 carries out the clearance of the clean-up through pivot 9, can not fall into the collecting box 5 through the complete water flow of collecting box 5, thereby the clearance that can not be in the collecting box 5 through the complete rotation of the pivot that sets up through the baffle 5, the collecting box 5 has the effect on the trash rack that has been cleaned up through the pivot, the complete flow of the collecting box is convenient for setting up in the collecting box.

In a preferred embodiment of the present utility model, the cleaning mechanism 4 is a brush or a combination of a brush and a cutting blade, which can clean and remove dirt adhered to the trash rack, and improve the cleaning effect of the trash rack.

Referring to fig. 1, in this embodiment, the driving mechanism 6 includes a motor 601, a driving shaft 602, a bearing seat 603, a winding wheel 604 and a pull rope 605, the motor 601 is installed on one side of the top of the fixing frame 1, the output end of the motor 601 is connected with the driving shaft 602, both ends of the driving shaft 602 are installed on the fixing frame 1 through the bearing seat 603, the driving shaft 602 is fixedly sleeved with the two winding wheels 604, the winding wheel 604 is wound with the pull rope 605, one end of the pull rope 605 passes through the fixing frame 1 and is connected with the driving box 3, a slot for the pull rope 605 to pass through is formed in the fixing frame 1, a fixing ring for connecting the pull rope 605 is installed at the top end of the driving box 3, and when the driving box 3 is driven to lift for cleaning, the driving shaft 602 is driven to rotate through the motor 601, so that the winding wheel 604 is driven to rotate, the pull rope 605 can be wound and released, and the height of the driving box 3 is adjusted, so that the height of the cleaning mechanism 4 can be adjusted, and the trash rack can be cleaned completely.

Next, referring to fig. 1 and 3, in this embodiment, the linkage mechanism 10 includes a worm wheel 1001, a linkage rod 1002, a first gear 1004 and a long rack 7, one end of a rotating shaft 9 extends into the driving box 3 and is connected with the worm wheel 1001, the linkage rod 1002 is rotatably connected inside the driving box 3, a worm section 1003 meshed with each worm wheel 1001 is disposed on the linkage rod 1002, the long rack 7 is vertically disposed on one side of the outer wall of the fixing frame 1, the long rack 7 is fixedly connected with the fixing frame 1 through a fixing rod, one end of the linkage rod 1002 extends to the outside of the driving box 3 and is connected with the first gear 1004 through a limiting groove 101, the first gear 1004 is meshed with the long rack 7, the driving mechanism 6 drives the driving box 3 to move up and down through the cooperation of the first gear 1004 and the long rack 7, so that the worm section 1003 on the linkage rod 1002 is driven to rotate, and the rotating shaft 9 and the cleaning mechanism 4 are driven to rotate to clean dirt on the dirt bar, thereby optimizing the structure, and saving the use of the worm wheel with excessive motors.

In addition, please refer to fig. 2 and 4, in this embodiment, the collecting mechanism 11 includes a screw 1101, a guide rod 1102, a scraper 1103, a second gear 1104 and a short rack 8, the screw 1101 is rotationally connected to the inside of the collecting box 5, the guide rod 1102 is fixedly connected to the inside of the collecting box 5, the scraper 1103 is disposed in the inside of the collecting box 5, the outer wall of the scraper 1103 is attached to the inner wall of the collecting box 5, the scraper 1103 is in threaded connection with the screw 1101, the scraper 1103 is slidably connected with the guide rod 1102, the short rack 8 is vertically disposed on the other side of the outer wall of the fixing frame 1, the short rack 8 is fixedly connected to the top end of the fixing frame 1 through a fixing rod, one end of the screw 1101 extends to the outside of the collecting box 5 and passes through a limiting groove 101 to be connected with the second gear 1104, the second gear 1104 is meshed with the short rack 8, after the trash rack is cleaned, the driving box 3 and the collecting box 5 need to be moved up to the inside top of the fixing frame 1, erosion caused by long-time soaking 1103 in water is avoided, and in order to conveniently take out the collected dirt in the collecting box 5, in the collecting box 5 is moved from the bottom up, when the collecting box 5 reaches the top end 1, and reaches the position of the second gear 1101, and is matched with the second gear 101, and is moved in order to conveniently collect dirt in the collecting box 5.

In this embodiment, referring to fig. 4, a discharging door 501 is disposed on one side of the front end surface of the collecting box 5, and the collecting mechanism 11 is used for intensively pushing the dirt to the discharging door 501, so that the dirt is conveniently intensively taken out through the discharging door 501.

In a preferred embodiment of the present utility model, the water-contacting components of the present utility model are all subjected to corrosion protection.

In this embodiment, referring to fig. 4, water leakage holes are formed on the side wall and the bottom end of the collecting box 5, and when the collecting box 5 is lifted up through the water leakage holes, water flows out of the water leakage holes conveniently.

The control mode of the utility model is controlled by the controller, and the control program of the controller can be realized by simple programming of a person skilled in the art, so the control mode and circuit connection are not explained in detail.

Working principle: this cleaning device is when clearing up the filth on the trash rack of pumped storage power station, drive the drive shaft 602 through motor 601 and rotate, thereby drive rolling wheel 604 rotation, can release stay 605, be used for descending drive box 3, drive the gangbar 1002 rotation through the cooperation of first gear 1004 and long rack 7, thereby drive worm gear 1001 rotation through worm section 1003 on the gangbar 1002, and then drive pivot 9 and clean mechanism 4 rotation and clear up the filth on the trash rack, and the filth that the trash rack was cleared up falls into collection box 5 internal collection processing, the rethread motor 601 drives rolling wheel 604 and rotates rolling stay 605, with drive box 3 and clean mechanism 4 at trash rack body 2 surface reciprocates, clear up the trash rack comprehensively, after the clearance is accomplished, move up the inside top of mount 1 with drive box 3 and collection box 5, use through the cooperation of second gear 1104 and short rack 8 and drive lead screw 1101 and rotate, thereby drive the filth that the scraper blade was collected in collection box 5 internal movement, the material gate department of collection box 5, the efficiency is improved, the rate of conveniently taking out the filth is convenient, the rate of the trash can not be influenced by the drain through the rapid water flow, the trash can be cleared up.

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

Claims

1. The utility model provides a pumped storage power station trash rack filth cleaning device, includes mount (1) and trash rack body (2), trash rack body (2) set up in the back of mount (1), its characterized in that: the utility model discloses a trash rack is characterized in that a driving box (3) is transversely arranged inside a fixing frame (1), one side, close to a trash rack body (2), of the driving box (3) is rotationally connected with a plurality of groups of cleaning mechanisms (4) through a rotating shaft (9), a linkage mechanism (10) for driving the plurality of groups of cleaning mechanisms (4) to synchronously rotate is arranged inside the driving box (3), limit grooves (101) penetrating through the fixing frame (1) are vertically formed in two sides of the fixing frame (1), two ends of the driving box (3) are arranged in the limit grooves (101) and are in sliding fit with the limit grooves, a collecting box (5) is arranged at the bottom of the driving box (3), a material receiving opening is arranged at the top of the collecting box (5) and extends to the lower part of the cleaning mechanism (4), and a material collecting mechanism (11) is arranged inside the collecting box (5), and a driving mechanism (6) for driving the driving box (3) to move up and down is arranged at the top of the fixing frame (1).

2. The pumped-storage hydropower station trash rack trash cleaning device according to claim 1, wherein: the linkage mechanism (10) comprises worm wheels (1001) and a linkage rod (1002), one end of the rotating shaft (9) extends to the inside of the driving box (3) and is connected with the worm wheels (1001), the linkage rod (1002) is rotationally connected to the inside of the driving box (3), and worm sections (1003) meshed with the worm wheels are arranged on the linkage rod (1002) at the positions of each worm wheel (1001).

3. The pumped-storage hydropower station trash rack trash cleaning device according to claim 2, wherein: the linkage mechanism (10) further comprises a first gear (1004) and a long toothed bar (7), the long toothed bar (7) is vertically arranged on one side of the outer wall of the fixing frame (1), the long toothed bar (7) is fixedly connected with the fixing frame (1) through a fixing rod, one end of the linkage rod (1002) extends to the outside of the driving box (3) and penetrates through the limiting groove (101) to be connected with the first gear (1004), and the first gear (1004) is meshed with the long toothed bar (7).

4. The pumped-storage hydropower station trash rack trash cleaning device according to claim 1, wherein: the collecting mechanism (11) comprises a screw rod (1101), a guide rod (1102) and a scraping plate (1103), the screw rod (1101) is rotationally connected to the inside of the collecting box (5), the guide rod (1102) is fixedly connected to the inside of the collecting box (5), the scraping plate (1103) is arranged in the collecting box (5), the outer wall of the scraping plate (1103) is attached to the inner wall of the collecting box (5), the scraping plate (1103) is in threaded connection with the screw rod (1101), and the scraping plate (1103) is in sliding connection with the guide rod (1102).

5. The pumped-storage hydropower station trash rack trash cleaning device according to claim 4, wherein: the collecting mechanism (11) further comprises a second gear (1104) and a short rack (8), the short rack (8) is vertically arranged on the other side of the outer wall of the fixing frame (1), the short rack (8) is fixedly connected to the top end of the fixing frame (1) through a fixing rod, one end of the screw rod (1101) extends to the outside of the collecting box (5) and penetrates through the limiting groove (101) to be connected with the second gear (1104), and the second gear (1104) is meshed with the short rack (8).

6. The pumped-storage hydropower station trash rack trash cleaning device according to claim 4, wherein: water leakage holes are formed in the side wall and the bottom end of the collecting box (5), and a discharging door (501) is arranged on one side of the front end face of the collecting box (5).

7. The pumped-storage hydropower station trash rack trash cleaning device according to claim 1, wherein: the driving mechanism (6) comprises a motor (601), a driving shaft (602), a bearing seat (603), winding wheels (604) and a pull rope (605), wherein the motor (601) is installed on one side of the top of the fixing frame (1), the output end of the motor (601) is connected with the driving shaft (602), two ends of the driving shaft (602) are installed on the fixing frame (1) through the bearing seat (603), two winding wheels (604) are fixedly sleeved on the driving shaft (602), the winding wheels (604) are wound with the pull rope (605), and one end of the pull rope (605) penetrates through the fixing frame (1) and is connected with the driving box (3).