CN-117230760-B - Trash rack cleaning device for hydraulic engineering

CN117230760BCN 117230760 BCN117230760 BCN 117230760BCN-117230760-B

Abstract

The invention discloses a trash rack cleaning device for hydraulic engineering, which relates to the technical field of hydraulic engineering and comprises a trash rack frame, trash rack strips, a servo motor, saw-tooth hanging strips, a synchronous transverse plate, turnover supporting strips, a turnover shaft and a controller, wherein the trash rack strips are welded on the inner side of the trash rack frame and are distributed in an equidistant manner. According to the invention, the turnover driving dirt removing mechanism drives the turnover shaft to perform forward and reverse rotation to be matched with the dirt removing claw to remove dirt in gaps of the trash rack bar, the sawtooth driving mechanism can drive the sawtooth hanging bar to continuously transversely move towards two sides to cut off dirt which is not easy to scrape, and meanwhile, the servo motor is started to perform up-and-down movement cleaning operation on the cleaning structure, so that the problems that the cleaning structure is time-consuming and labor-consuming, and the adopted scraping plate cannot continuously press down to scrape when the scraping plate is scraped up and down, so that the jam is caused, and the maintenance is more inconvenient are solved.

Inventors

LV YUHONG
REN XIANMING
DONG XINTING
WEI QINGCHUN
AN LEI
GENG ZHIYUAN
ZHONG BIN
Li Xiukang
SHI SHUHAO

Assignees

菏泽黄河河务局郓城黄河河务局

Dates

Publication Date: 20260512
Application Date: 20230922

Claims (6)

1. The utility model provides a trash rack cleaning device for hydraulic engineering, includes trash rack frame, trash rack strip, servo motor, sawtooth string strip, synchronous diaphragm, upset support bar, trip shaft and controller, wherein trash rack strip welds in trash rack frame inboard and is provided with a plurality of equidistance and distributes, servo motor is fixed to inlay in trash rack frame inner wall both sides, sawtooth string strip movable mounting is in synchronous diaphragm's bottom and be close to trash rack strip one side and laminating with trash rack strip, sawtooth string strip's bottom is the zigzag setting, servo motor's output is through shaft coupling fixed mounting screw rod, servo motor passes through wire and controller electric connection, screw rod surface top threaded connection has the drive swivel nut, one side that the drive swivel nut is close to with synchronous diaphragm's both ends welded fastening, upset top both sides all welded the installation pedestal, the trip shaft rotates the installation in the inside of installation pedestal, the surface of a plurality of decontamination claw is arranged in the interior of the recess of trash rack sensor and the interior of a plurality of control claw that is fixed with the sensor of the time of the mutual equal distance between the inner side of the control claw of the trash rack, the flush mounting of a plurality of control claw and the sensor is fixed in the time-mounted in the sensor; One side of the top of the turnover supporting bar is fixedly provided with a turnover driving dirt removing mechanism which is used for driving the turnover shaft to rotate positively and negatively; The synchronous cross plate is welded with a saw tooth driving mechanism on one side far away from the trash rack bar, the saw tooth driving mechanism is used for driving the saw tooth hanging bar to continuously transversely move towards two sides to cut off dirt which is not easy to scrape, the overturning driving trash removing mechanism comprises a motor II, a driving disc II, a mounting support frame, a limiting frame, a driving frame II, a mounting bar, a sliding bar II and an up-down reciprocating synchronous component, the mounting support frame is fixedly arranged on the left side of one side of the overturning support bar far away from the trash rack bar through bolts, the driving disc II is fixedly arranged at the output end of the motor II, the motor II is fixedly arranged at the top of the mounting support frame, the motor II is electrically connected with a controller through a wire, a connecting wire of the motor II is sleeved with a telescopic hose through a surface, the limiting frame is arranged on two sides of the driving disc II, the driving frame II is slidably arranged on one side opposite to the limiting frame, the mounting bar is welded on one side of the driving frame II, which is far away from the motor II, the sliding rod II is welded on the bottom of one side of the driving disc II, which is far away from the motor II, when the sliding rod II rotates, the driving frame II is matched with the sliding rod II to carry out up-down reciprocating driving after being limited by the limiting frame, the up-down reciprocating synchronous component is arranged on one side of the mounting support frame, which is close to the overturning support bar, and comprises a driving rack, a limiting unit, a gear I, a gear II and a stable shaft bracket, the driving rack is detachably arranged on one side of the mounting bar, which is far away from the motor II, the limiting unit is arranged on one side of the mounting support frame, which is close to the overturning support bar, the gear I is connected on one side of the surface of the overturning shaft, which is far away from the overturning support bar, and the gear II is rotatably arranged on one side of the mounting shaft bracket, which is meshed with the gear II, the gear II meshes with the drive rack, firm pedestal welding is close to one side of gear I and with gear I and gear II normal running fit in upset support bar top, sawtooth actuating mechanism includes backup pad, mounting panel, motor I, driving disk I, spacing support frame and the reciprocal linkage subassembly of horizontal, the backup pad welding is kept away from one side of trash rack strip at synchronous diaphragm, spacing support frame is provided with two, and two spacing support frame welds respectively and is kept away from one side of trash rack strip and the top of synchronous diaphragm at the backup pad top, the mounting panel welding is kept away from the top of synchronous diaphragm one side at spacing support frame, motor I passes through bolt and mounting panel fixed mounting, motor I passes through wire and controller electric connection, and its connecting wire passes through the surface cover and establish flexible hose installation, driving disk I fixed mounting is at motor I's output, the reciprocal linkage subassembly of horizontal is set up in one side that spacing support frame is relative, and driving disk I is rotatory back can drive sawtooth rack horizontal reciprocating motion and cut off the operation to dirt through the reciprocal subassembly.
2. The trash rack cleaning device for hydraulic engineering is characterized in that the limiting unit comprises a rack limiting frame and a limiting groove, the rack limiting frame is fixed on one side, close to the motor II, of the overturning supporting bar through bolts, the bottom of the limiting frame is welded and fixed with two sides of the top of the rack limiting frame, the limiting groove is formed in one side, far away from the motor II, of the rack limiting frame, and the limiting groove is in sliding fit with the driving rack.
3. The trash rack cleaning device for hydraulic engineering is characterized in that the transverse reciprocating linkage assembly comprises a first slide rod, a first driving frame and a connecting plate, wherein the first slide rod is welded on one side of the bottom of a driving disc, the first driving frame is slidably mounted on one side opposite to a limiting support frame, the inside of the first driving frame is slidably matched with the surface of the first slide rod, the top of the connecting plate is fixedly welded on one side, close to a synchronous transverse plate, of the bottom of the driving frame, the connecting plate is slidably mounted on a grooved part of the synchronous transverse plate, and the bottom of the connecting plate is detachably mounted on the top of a saw-tooth hanging strip through bolts.
4. The trash rack cleaning device for hydraulic engineering according to claim 3, wherein the inner part of the trash rack is provided with an air nozzle, and one side of the trash rack away from the trash rack bar is connected with an external air source through an air pipe joint.
5. The trash rack cleaning device for hydraulic engineering according to claim 1, wherein limiting blocks are welded on two sides of the top of the sawtooth hanging strip, sliding strips are welded on one sides, deviating from the limiting blocks, of the bottom of the synchronous transverse plate, anti-falling blocks are welded on two sides of the bottom of the synchronous transverse plate, and the anti-falling blocks are in sliding fit with the sliding strips.
6. The method for cleaning the trash rack for the hydraulic engineering according to claim 4, wherein the method comprises the following steps of; S1, setting a time threshold for timing starting through a preset starting time of a time relay arranged in a controller, and starting a servo motor, a motor II and a motor I to clean trash rack bars after the time threshold is reached; s2, connecting a water flow pressure sensor through a controller, monitoring the pressure state of water flow in real time by the water flow pressure sensor, setting the maximum threshold value of the water flow pressure sensor, and starting a servo motor, a motor II and a motor I to clean the trash rack strips when the maximum threshold value of the water flow pressure sensor is reached; S21, resetting the next starting time in the step S1 when the servo motor, the motor II and the motor I are started by reaching the maximum pressure threshold; s3, driving the screw sleeve to vertically drive through the rotation of the screw rod driven by the servo motor after the servo motor is started, and driving the synchronous transverse plate and the overturning support bar to synchronously move when the screw sleeve is driven to move; S4, starting a motor II, driving a driving disc II to rotate to circularly drive a sliding rod II, limiting a driving frame II by a limiting frame II through the limiting of the driving frame II, driving a driving rack to move up and down through a mounting bar by the driving frame II which moves up and down, driving a gear II to rotate by the driving rack, driving a gear I to rotate by the gear II, driving a turnover shaft to turn by the gear, and turning by the turnover shaft to drive a decontamination claw to turn and clear gaps of a trash rack; S41, connecting the turned decontamination claw with an external air source through an internal air jet to perform air jet cleaning, and removing cut residues; S5, the first driving disc is driven by the first starting motor to rotate, the first driving disc drives the first sliding rod to rotate, the first driving frame is limited by the limiting support frame to move left and right in a reciprocating mode through sliding with the first sliding rod during rotation of the first sliding rod, the driving frame in reciprocating mode drives the connecting plate to move in a reciprocating mode, the connecting plate drives the saw-tooth hanging strip to move in a reciprocating mode to cut off and remove dirt on the surface of the trash rack, the cleaning effect of the trash rack is guaranteed, and meanwhile dirt can be shaken off by high-speed reciprocating motion to avoid continuous adhesion.

Description

Trash rack cleaning device for hydraulic engineering Technical Field The invention relates to the technical field of hydraulic engineering, in particular to a trash rack cleaning device for hydraulic engineering. Background In the hydraulic and hydroelectric engineering, a trash rack is usually required to be arranged at the water inlets of a pump station and a hydropower station, so that floating matters such as pasture and garbage carried in water flow are intercepted, and sundries flowing into a water channel are reduced. The current trash rack comprises frame, diaphragm and grid generally, and diaphragm and the terminal surface of grid are parallel arrangement with the frame generally, and when the longer pasture and water of length was blocked by diaphragm and grid, the both ends of pasture and water can get into the other end of trash rack along with rivers, lead to the pasture and water to hang on the trash rack, comparatively troublesome when the clearance trash rack, extravagant more manpower, and cleaning efficiency is also lower. The invention provides a Chinese patent with a publication number of CN217781914U to solve the technical problems, and the technical scheme disclosed in the patent document is as follows, namely, a trash rack belongs to the technical field of hydraulic engineering, so as to solve the problems that the existing trash rack is troublesome in cleaning and low in cleaning efficiency, and comprises a trash rack main body, a baffle, a control screw, a sliding block, a scraping plate, a collecting basket and a connecting plate, wherein the baffle is fixedly connected to the front end of the trash rack main body, the control screw is rotationally connected to the front end of the trash rack main body, the sliding block is vertically and slidably connected to the front end of the trash rack main body, the scraping plate is rotationally connected to the inner side of the sliding block, the connecting plate is fixedly connected to the left end face and the right end face of the collecting basket, and the front end and the rear end of the collecting basket are slidably connected to the lower end of the trash rack main body. Disclosure of Invention The invention aims to provide a trash rack cleaning device for hydraulic engineering, which aims to solve the problems in the background technology. In order to solve the technical problems, the invention adopts the following technical scheme: The utility model provides a trash rack cleaning device for hydraulic engineering, includes trash rack frame, trash rack strip, servo motor, sawtooth string strip, synchronous diaphragm, upset support bar, trip shaft and controller, trash rack strip welding is in trash rack frame inboard and is provided with a plurality of equidistance and distributes, servo motor is fixed to be inlayed in trash rack frame inner wall both sides, sawtooth string strip movable mounting is in the bottom of synchronous diaphragm and be close to one side of trash rack strip and laminate with the trash rack strip, the bottom of sawtooth string strip is the zigzag setting, the output of servo motor has the screw rod through shaft coupling fixed mounting, servo motor passes through wire and controller electric connection, screw rod surface top threaded connection has the drive swivel nut, one side that the drive swivel nut is close to with synchronous diaphragm's both ends welded fastening, one side top welded fastening of upset support bar both sides that the drive swivel nut is close to, the surface of upset axle rotation installation in the installation axle just is close to trash rack bar and is equipped with a plurality of decontamination claws, a plurality of the flush with the trash rack is in the inside the controller, and is in the clearance sensor is fixed with the built-in at one side of the trash rack, the time sensor is fixed with the controller top that the time is cooperateed to the trash rack is installed to the wire top; One side of the top of the turnover supporting bar is fixedly provided with a turnover driving dirt removing mechanism which is used for driving the turnover shaft to rotate positively and negatively; And a sawtooth driving mechanism is welded on one side of the synchronous transverse plate, which is far away from the trash rack strip, and is used for driving the sawtooth hanging strip to continuously transversely move towards two sides to cut off dirt which is not easy to scrape. The turnover driving dirt removing mechanism comprises a motor II, a driving disc II, a mounting support frame, a limiting frame, a driving frame II, a mounting bar, a sliding bar II and an up-down reciprocating synchronous component, wherein the mounting support frame is fixedly arranged on the left side of one side of the turnover support bar, which is far away from the trash rack, through bolts, the driving disc II is fixedly arranged at the output end of the motor II, the motor II is fixedly arranged on the top