CN117090255A - Movable dredging device and dredging method thereof - Google Patents

Abstract

The application discloses a movable dredging device and a dredging method thereof, wherein the movable dredging device comprises a movable frame and a movable seat, wherein the movable frame is arranged at a pool opening of a sewage pool and moves towards the X-axis direction, the movable seat is slidably arranged on the movable frame towards the Y-axis direction, a dredging pipe is arranged on the movable seat, one section of a dredging hose is a connecting section arranged on the movable seat, the other section of the dredging hose is a free hose section, and one end of the connecting section, which is far away from the free hose section, is connected with an extracting piece; one end of the free hose section, which is far away from the connecting section, is provided with a suction head, and a plurality of suction pipes are arranged on the suction head along the circumferential direction; the movable frame is provided with a driving component for driving the hair of the suction head to swing; further comprises: the first driving component is used for driving the movable frame to move, and the second driving component is used for driving the movable seat to slide. The application has the effect of improving the cleaning efficiency of the sludge at the bottom of the tank.

Description

Movable dredging device and dredging method thereof

Technical Field

The application relates to the field of sewage treatment, in particular to a movable dredging device and a dredging method thereof.

Background

Along with the continuous development of society at present, sewage treatment effect is an important factor of people's quality of life, and sewage treatment is the process that is discharged into a certain water body or the water quality requirement that uses again is to be purified to sewage, and sewage treatment needs to be handled in the effluent water sump.

In the prior art, in the sewage treatment process of the sewage tank, sludge is deposited at the bottom of the tank, so that the sewage in the sewage tank needs to be emptied at regular time, and then the sludge at the bottom of the tank is cleaned.

With respect to the related art, the inventor considers that the sludge can be cleaned only after the sewage is emptied, and the cleaning efficiency is low.

Disclosure of Invention

In order to improve the cleaning efficiency of sludge at the bottom of a pond, the application provides a movable sludge cleaning device and a sludge cleaning method thereof.

In a first aspect, the present application provides a movable dredging device, which adopts the following technical scheme:

the movable dredging device comprises a movable frame and a movable seat, wherein the movable frame is arranged at a sewage tank opening and moves towards the X-axis direction, the movable seat is slidably arranged on the movable frame towards the Y-axis direction, a dredging pipe is arranged on the movable seat, one section of the dredging hose is a connecting section arranged on the movable seat, the other section of the dredging hose is a free hose section, and one end of the connecting section, far away from the free hose section, is connected with an extracting piece; one end of the free hose section, which is far away from the connecting section, is provided with a suction head, and a plurality of suction pipes are arranged on the suction head along the circumferential direction; the movable frame is provided with a driving component for driving the hair of the suction head to swing; further comprises: the first driving component is used for driving the movable frame to move, and the second driving component is used for driving the movable seat to slide.

By adopting the technical scheme, when dredging is carried out, the movable seat is driven to move to each position of the sewage pool in the X-axis direction and the Y-axis direction under the driving action of the first driving component and the second driving component; starting a driving assembly to drive the suction head to swing every time the movable seat moves to a position where dredging is needed, so that the suction head is inserted into sludge at the bottom of the sewage tank; then starting the suction piece, sucking the sludge around the suction head through a plurality of suction pipes, so that dredging work can be performed when sewage exists in the sewage tank, and the cleaning efficiency of the sludge at the bottom of the tank is improved; when dredging at one position, starting the driving assembly to drive the suction head to swing so that the free hose section is obliquely arranged, namely the suction head leaves the bottom of the sewage tank, and then driving the movable seat to move to the next dredging position to carry out dredging; thereby improving the smoothness of the suction head moving to the next dredging position, reducing the situation that the accuracy of the moving position of the suction head is affected due to the obstruction of the sludge, and improving the suction sufficiency of the suction head to the sludge.

Preferably, the actuating assembly comprises: the winding shaft is rotatably arranged on the movable frame, one end of the pull rope is wound on the winding shaft, and the other end of the pull rope is arranged on the suction head; the actuation assembly further comprises: and the first driving piece is used for driving the winding shaft to rotate.

By adopting the technical scheme, the first driving piece is started, the winding shaft is started, and the stay cord is wound, so that the suction head is pulled to be inclined; when the stay cord is unreeled, the stay cord swings to vertically downward through the self gravity of the suction head, so that the suction head is inserted into the sludge; the driving mode is simple and the cost is low.

Preferably, a pair of oppositely arranged mounting plates are arranged at the downward side of the movable frame and correspond to the winding shaft, a pair of arc-shaped sliding grooves are formed in the opposite side walls of the two mounting plates, the inner arcs of the two arc-shaped sliding grooves of the same pair are oppositely arranged, the arc-shaped sliding grooves of the two mounting plates are correspondingly arranged one by one, and the two arc-shaped sliding grooves corresponding to the two mounting plates are in a group; a pair of arc-shaped sliding plates are arranged between the two mounting plates, and the two arc-shaped sliding plates are respectively and slidably arranged on the two groups of arc-shaped sliding grooves; a second driving piece for driving the arc-shaped sliding plate to slide is arranged between the two mounting plates; the spray head is installed to the intrados of arc slide, the water supply spare that is used for supplying water to the spray head is installed to the movable frame.

By adopting the technical scheme, in order to reduce the reduction of the service life of the suction head caused by long-term contact with sewage and the situation that the sludge on the suction head is difficult to clean when the suction head is not used for a long time due to the adhesion of the sludge; when dredging is completed, the first driving moving seat moves to a position where the position distance between the moving seat and the two mounting plates is equal to the length position of the free hose section plus the suction head; then starting the first driving piece, and pulling the suction head to a position between the two mounting plates; starting a water supply part, and spraying clear water to the upward side of the suction head through the spray head; and then starting the second driving piece to drive the two arc sliding plates to slide along the arc sliding grooves until the spray head faces to the downward side of the suction head, so that the cleaning of the whole suction head can be completed.

Preferably, a replacement opening is formed in the top of the movable frame and corresponds to the positions of the two mounting plates, a pair of baffles are arranged in the position of the movable frame corresponding to the replacement opening, and the two baffles slide in the direction of approaching or separating from each other; one of the mounting plates is provided with a limiting hole for clamping in the free hose section, clamping blocks are arranged at the two sides of the mounting plate, which are positioned at the limiting hole, the two clamping blocks slide towards the direction of approaching or separating from each other, and the baffle plates are arranged in one-to-one correspondence with the clamping blocks; the movable frame is provided with a third driving assembly for driving the corresponding baffle plate and the clamping block to move in opposite directions.

By adopting the technical scheme, the suction head needs to be replaced after being used for a period of time, so that the third driving assembly is started to drive the two baffles to slide in the direction away from each other, the replacement opening is opened, and the suction head is convenient to assemble and disassemble; simultaneously, the two clamping blocks can be driven to move towards the directions close to each other, so that the positions of the free hose sections clamped into the limiting holes are clamped, the free hose sections are prevented from falling into a sewage pool after the suction head is removed, and the efficiency of installing new suction heads subsequently is improved; the synchronous movement drives the corresponding baffle and clamping block to move in opposite directions, so that the power source is reduced, and the cost is reduced.

Preferably, the third driving assembly includes: the device comprises a connecting rod, a first rack, a second rack and a driving gear, wherein one end of the connecting rod is arranged on a clamping block, and the other end of the connecting rod extends towards the direction of a baffle; the first rack is arranged on the baffle, and the second rack is arranged at one end of the connecting rod extending away from the baffle; the driving gear is rotatably arranged on the moving frame, the driving gear is positioned between the first rack and the second rack, and the first rack and the second rack are respectively meshed with two sides of the driving gear; the third drive assembly further includes: and a third driving member for driving the driving gear to rotate.

By adopting the technical scheme, the third driving piece is started to drive the driving gear to rotate and drive the first rack and the second rack to move in the directions away from each other, so that the corresponding baffle and the clamping block can be driven to move in opposite directions; the structure has high synchronism and stability.

Preferably, the extracting piece comprises a centrifugal pump and a water filling cylinder, the centrifugal pump is communicated with the water filling cylinder through a pipeline, one end of the connecting section, which is far away from the free hose section, is communicated with the water filling cylinder, and the water filling cylinder is connected with a water pipe for water communication.

By adopting the technical scheme, before the centrifugal pump is started, the water filling cylinder is filled with water, the centrifugal pump is guaranteed to be filled with water, and then the centrifugal pump is started, so that suction force can be formed in the connecting section and the free hose section, and the purpose of dredging is achieved.

Preferably, the connecting section is communicated with a back flushing pipe, and the back flushing pipe is provided with a valve.

Through adopting above-mentioned technical scheme, in order to reduce the back of using many times, because the silt of dredging intraductal accumulation can solidify, influence the use next time, consequently after accomplishing dredging at every turn, open the valve to letting in clear water in the backwash pipe to reach the muddy water clear out of leaving over in the dredging pipe.

In a second aspect, the present application provides a dredging method, which adopts the following technical scheme:

a dredging method based on the movable dredging device, the dredging method comprises the following steps:

acquiring the specification information of the sewage pool and the silt sucking range information of the suction head, and determining the silt cleaning position information of the bottom of the sewage pool;

calculating the maximum inclination angle information of the free hose section before the suction head reaches each dredging position according to the sewage pool specification information and each dredging position information;

triggering a dredging instruction according to the dredging position information and the maximum inclination angle information of the free hose section;

acquiring muddy water concentration information in the connecting section, and judging whether the muddy water concentration is smaller than a preset threshold value or not;

if yes, triggering a stop instruction.

By adopting the technical scheme, according to the specification of the sewage pool and the silt sucking range of the suction head, each silt cleaning position of the bottom of the sewage pool is determined, and then the moving position of the subsequent moving seat can be determined; calculating the maximum inclination angle of the free hose section before the suction head reaches each dredging position according to the specification of the sewage pool and each dredging position so as to improve the moving smoothness of the suction head; triggering a dredging instruction according to the dredging positions and the maximum inclination angle of the free hose section, so that dredging work is carried out on the dredging positions through the suction head; in order to know whether the sludge in each dredging position is cleaned more conveniently, the concentration of muddy water in the connecting section is detected; when the concentration of the muddy water is smaller than a preset threshold value, the condition that the muddy water at the position of the suction head is cleaned is indicated, so that a stop instruction is triggered, and the judging method is convenient.

Preferably, the method for calculating the maximum inclination angle information of the free hose section before the suction head reaches each dredging position according to the sewage tank specification information and each dredging position information comprises the following steps:

acquiring depth information of the sewage pool according to the specification information of the sewage pool, and determining total length information of the suction head after the suction head is mounted on the free hose section;

acquiring horizontal distance information between the dredging position and the sewage pool wall in the advancing direction of the movable seat according to the dredging position information;

and calculating the maximum inclination angle of the free hose section according to the length information of the free hose section and the horizontal distance information.

By adopting the technical scheme, the depth of the sewage pool is obtained from the specification of the sewage pool, so that the total length of the suction head after being mounted on the free hose section can be determined; acquiring the horizontal distance between the dredging position and the sewage pool wall in the advancing direction of the movable seat according to the dredging position; finally, according to the total length and the horizontal distance of the suction head after being arranged on the free hose section, the maximum inclination angle of the free hose section can be calculated by using the Pythagorean theorem; the calculation mode is simple and convenient, and the efficiency is high.

Preferably, after the step of triggering the stop instruction if yes, the dredging method further includes:

acquiring the trigger information of a dredging ending instruction, and acquiring the distance information between the movable seat and the initial position;

and triggering an absorbing head accommodating instruction according to the distance information.

Through adopting above-mentioned technical scheme, after accomplishing the desilting work to each desilting position in the bottom of the pool of effluent water sump, then acquire the distance between movable seat and the initial position, trigger and absorb the head and accomodate the instruction to remove the movable seat to the initial position earlier, drive again and absorb the head and enter into the position between two mounting panels, clear up the head of absorbing at last, improve the life who absorbs the head.

In summary, the present application includes at least one of the following beneficial technical effects:

1. starting a driving assembly to drive the suction head to swing every time the movable seat moves to a position where dredging is needed, so that the suction head is inserted into sludge at the bottom of the sewage tank; then starting the suction piece, sucking the sludge around the suction head through a plurality of suction pipes, so that dredging work can be performed when sewage exists in the sewage tank, and the cleaning efficiency of the sludge at the bottom of the tank is improved;

2. when dredging at one position, starting the driving assembly to drive the suction head to swing so that the free hose section is obliquely arranged, namely the suction head leaves the bottom of the sewage tank, and then driving the movable seat to move to the next dredging position to carry out dredging; thereby improving the smoothness of the suction head moving to the next dredging position, reducing the situation that the accuracy of the moving position of the suction head is affected due to the obstruction of the sludge, and improving the suction sufficiency of the suction head to the sludge;

3. the service life of the suction head is reduced due to long-term contact with sewage, and the condition that the sludge on the suction head is difficult to clean when the suction head is not used for a long time due to the adhesion of the sludge is reduced;

4. according to the specification of the sewage pool and the silt sucking range of the suction head, determining each silt cleaning position of the bottom of the sewage pool, and determining the moving position of the subsequent moving seat; calculating the maximum inclination angle of the free hose section before the suction head reaches each dredging position according to the specification of the sewage pool and each dredging position so as to improve the moving smoothness of the suction head; and triggering a dredging instruction according to the dredging positions and the maximum inclination angle of the free hose section, so that dredging work is carried out on the dredging positions through the suction head.

Drawings

Fig. 1 is a schematic overall structure of an embodiment of the present application.

Fig. 2 is a schematic view of a moving frame according to an embodiment of the present application.

Fig. 3 is a schematic diagram of the structure between two mounting plates according to an embodiment of the present application.

Figure 4 is a cross-sectional view of the position structure between the arcuate slide and the suction head in accordance with an embodiment of the present application.

Fig. 5 is a structural cross-sectional view of a third drive assembly according to an embodiment of the present application.

FIG. 6 is a flow chart of a dredging method according to an embodiment of the application.

FIG. 7 is a flowchart of a method for dredging step S20 according to an embodiment of the present application.

Reference numerals illustrate:

1. a track; 2. a moving rack; 21. a first drive assembly; 22. a mounting plate; 221. a limiting hole; 222. an arc chute; 223. an arc-shaped sliding plate; 224. a spray head; 225. a water pipe; 23. a fixing plate; 24. a second driving member; 241. a drive shaft; 242. a drive rope; 25. a replacement port; 26. a baffle; 27. a clamping block; 3. a movable seat; 31. a second drive assembly; 4. a dredging pipe; 41. a connection section; 42. a free hose section; 43. a back flushing pipe; 44. a valve; 5. an extracting member; 51. a centrifugal pump; 52. a water charging barrel; 6. a suction head; 61. a suction pipe; 7. driving the assembly; 71. a winding shaft; 72. a pull rope; 73. a first driving member; 8. a third drive assembly; 81. a connecting rod; 82. a first rack; 83. a second rack; 84. a drive gear; 85. and a third driving member.

Detailed Description

The application is described in further detail below with reference to fig. 1-7.

The embodiment of the application discloses a movable dredging device. Referring to fig. 1 and 2, the movable dredging device comprises a pair of rails 1, a movable frame 2 and a movable seat 3, wherein the rails 1 are provided with a pair, the rails 1 extend towards the X-axis direction, and the two rails 1 are respectively and fixedly arranged at two sides of a sewage pool; the movable frame 2 extends towards the Y-axis direction, the movable frame 2 is erected at a pool opening of the sewage pool, and two ends of the movable frame 2 are movably arranged on the track 1; the movable mud dredging device further comprises a first driving assembly 21, the first driving assembly 21 comprises a pair of movable trolleys, the two movable trolleys are fixedly arranged at two ends of the movable frame 2 respectively, and rollers of the movable trolleys drive the movable frame 2 to rotate through a servo motor, so that the movable frame 2 is driven to move towards the X-axis direction; the movable seat 3 is slidably arranged on the movable frame 2 towards the extending direction of the movable frame 2; the movable dredging device further comprises a second driving assembly 31, the second driving assembly 31 can be a screw motor module, a gear rack driving module and the like, and in the embodiment, the second driving assembly 31 is a gear rack driving module, so that the movable seat 3 can be driven to move towards the Y-axis direction.

Referring to fig. 1 and 2, the movable seat 3 is fixedly provided with a dredging pipe 4, the dredging pipe 4 comprises a connecting section 41 and a free hose section 42, the connecting section 41 and the free hose section 42 are hoses, the boundary position of the connecting section 41 and the free hose section 42 is fixedly arranged on the movable seat 3, and the free hose section 42 extends towards the sewage pool; the movable dredging device further comprises an extracting piece 5 arranged on one side, far away from the sewage pool, of the track 1, wherein the extracting piece 5 comprises a centrifugal pump 51 and a water filling barrel 52, the centrifugal pump 51 is communicated with the water filling barrel 52 through a pipeline, one end, far away from the free hose section 42, of the connecting section 41 is communicated with the water filling barrel 52, and the top of the water filling barrel 52 is connected with a water pipe for running water; thus, when the centrifugal pump 51 is started, water is added into the water filling cylinder 52, so that the centrifugal pump 51 is filled with water, and the centrifugal pump 51 can normally operate after being started.

The end of the free hose section 42, which is far away from the connecting section 41, is communicated with a suction head 6, the suction head 6 is a metal piece, the suction head 6 is arranged in a hollow way, and suction pipes 61 are fixedly arranged on the suction head 6 at equal intervals along the circumferential direction; so that when the suction head 6 is put into the sewage tank, the centrifugal pump 51 is started to clean the sludge at the bottom of the sewage tank.

The connecting section 41 is communicated with a back flushing pipe 43, and the back flushing pipe 43 is fixedly provided with a valve 44, so that clear water is introduced into the back flushing pipe 43 after cleaning is completed, and mud water left in the dredging pipe 4 and the suction head 6 can be cleaned.

Referring to fig. 2, the moving frame 2 is provided with an actuating assembly 7 for actuating the suction head 6 to swing at a position near one end thereof, the actuating assembly 7 comprises a winding shaft 71, a pull rope 72 and a first driving member 73, the winding shaft 71 is rotatably mounted on the moving frame 2, and the winding shaft 71 horizontally extends towards a direction perpendicular to the length direction of the moving frame 2; one end of the pull rope 72 is fixedly arranged in the middle of one side of the suction head 6, and the other end is wound on the winding shaft 71; the first driving piece 73 is a motor, the first driving piece 73 is fixedly arranged on the movable frame 2, and an output shaft of the first driving piece 73 is fixedly arranged at the end part of the winding shaft 71; whereby the suction head 6 can be driven to swing by winding and unwinding of the winding shaft 71.

Referring to fig. 2 and 3, a pair of mounting plates 22 are fixedly mounted on the downward side of the movable frame 2 and corresponding to the position of the winding shaft 71, the two mounting plates 22 are arranged in the length direction of the movable frame 2 and are oppositely arranged, and a limiting hole 221 for the free hose section 42 to be clamped in is formed in one mounting plate 22 close to the movable seat 3; thereby the suction head 6 can be led to enter the position between the two mounting plates 22 by winding the pull rope 72, and the position where the free hose section 42 is communicated with the suction head 6 is clamped into the limiting hole 221, so that the suction head 6 is accommodated.

Referring to fig. 3 and 4, a pair of arc-shaped sliding grooves 222 are formed in opposite side walls of the two mounting plates 22, inner arcs of the two arc-shaped sliding grooves 222 in the same pair are oppositely arranged, the arc-shaped sliding grooves 222 of the two mounting plates 22 are correspondingly arranged one by one, and the two arc-shaped sliding grooves 222 corresponding to the two mounting plates 22 are in a group; a pair of arc-shaped sliding plates 223 are arranged between the two mounting plates 22, the radian of each arc-shaped sliding plate 223 is 90 degrees, the two arc-shaped sliding plates 223 are respectively and slidably arranged on the same group of arc-shaped sliding grooves 222, and two ends of each arc-shaped sliding plate 223 are respectively and slidably arranged on the same group of two arc-shaped sliding grooves 222; the spray heads 224 are uniformly and fixedly arranged on the inner cambered surfaces of the two arc-shaped sliding plates 223, the movable frame 2 is provided with a water supply piece for supplying water to the spray heads 224, the water supply piece comprises a water conveying pipe 225, and the water conveying pipe 225 is communicated with the spray heads 224, so that the surface of the suction head 6 can be cleaned through the spray heads 224 by conveying water to the water conveying pipe 225.

A fixed plate 23 is fixedly arranged at the top position between the two mounting plates 22, the fixed plate 23 is provided with a pair of second driving pieces 24 for driving the arc-shaped sliding plates 223 to slide, the two second driving pieces 24 are respectively positioned at the positions, which correspond to the positions, right above the two arc-shaped sliding plates 223, of the fixed plate 23, the second driving pieces 24 comprise a driving shaft 241 and a driving rope 242, the driving shaft 241 is rotatably arranged on the fixed plate 23, and the driving shaft 241 drives the motor to rotate; one end of the driving rope 242 is wound on the driving shaft 241, and the other end of the driving rope is fixedly arranged on the arc-shaped sliding plate 223, so that the arc-shaped sliding plate 223 can be driven to slide along the arc-shaped sliding groove 222 through winding and unwinding of the driving shaft 241, and further the circumferential cleaning of the suction head 6 is achieved.

Referring to fig. 3 and 5, a replacement port 25 is formed at the top of the movable frame 2 and at a position corresponding to the position between the two mounting plates 22, and the replacement port 25 is communicated with the position between the two mounting plates 22; a pair of baffles 26 are arranged at the position of the movable frame 2 corresponding to the replacement opening 25, and the two baffles 26 horizontally slide towards the X-axis direction and towards the direction of approaching or separating from each other, so that the suction head 6 can be replaced by opening the baffles 26; the mounting plate 22 provided with the limiting hole 221 is provided with clamping blocks 27 at two sides corresponding to the limiting hole 221, and the two clamping blocks 27 horizontally slide towards the X-axis direction and towards the directions approaching or separating from each other, so that the part of the free hose section 42 clamped into the limiting hole 221 can be clamped; the two baffles 26 and the two clamping blocks 27 are arranged in one-to-one correspondence, and the movable frame 2 is provided with a third driving assembly 8 for driving the corresponding baffles 26 and clamping blocks 27 to move in opposite directions.

The third driving assembly 8 comprises a connecting rod 81, a first rack 82, a second rack 83 and a driving gear 84, one end of the connecting rod 81 is fixedly arranged on the clamping block 27, the other end of the connecting rod extends out of the mounting plate 22 and extends towards the direction of the baffle 26, and the mounting plate 22 is provided with a position avoiding sliding hole for the connecting rod 81 to slide; the first rack 82 is fixedly installed at one side of the baffle 26 facing downwards, and the first rack 82 extends towards the sliding direction of the baffle 26; the second rack 83 is fixedly arranged at one end of the connecting rod 81 far away from the clamping block 27, and the second rack 83 extends towards the sliding direction of the clamping block 27; the driving gear 84 is rotatably installed on the moving frame 2, the driving gear 84 is positioned between the first rack 82 and the second rack 83, and the first rack 82 and the second rack 83 are respectively meshed with two sides of the driving gear 84; the third driving assembly 8 further includes a third driving member 85, the third driving member 85 is a motor, and an output shaft of the third driving member 85 is fixedly mounted on a rotating shaft of the driving gear 84, so that the driving gear 84 can be driven to rotate, and further the baffle 26 and the clamping block 27 are driven to move in opposite directions, so that the replacement port 25 is opened, and the free hose section 42 is clamped.

The implementation principle of the movable dredging device provided by the embodiment of the application is as follows: when dredging, the movable seat 3 is driven to move to each position of the sewage pool in the X-axis direction and the Y-axis direction by the driving action of the first driving component 21 and the second driving component 31; when the movable seat 3 moves to a position where dredging is needed, the first driving piece 73 is started to drive the rolling shaft 71 to roll, and the suction head 6 falls into a sewage pool along with self gravity and is inserted into sludge at the bottom of the pool; the centrifugal pump 51 is started so that the sludge is cleaned.

When the dredging operation is completed, the first driving member 73 is started to drive the winding shaft 71 to wind up, and the suction head 6 is pulled, so that the suction head 6 leaves the bottom of the tank and is obliquely arranged, and the movable seat 3 is driven to move to the corresponding next dredging position.

When the dredging work of all dredging positions is completed, the movable seat 3 is moved to a position where the position distance between the movable seat 3 and the two mounting plates 22 is equal to the length position of the free hose section 42 plus the suction head 6; then the first driving piece 73 is started to pull the suction head 6 to a position between the two mounting plates 22; starting a water supply assembly, and spraying clear water to the upward side of the suction head 6 through the spray head 224; then, the second driving member 24 is started again, so that the two arc-shaped sliding plates 223 are driven to slide along the arc-shaped sliding grooves 222 until the nozzle 224 faces to the downward side of the suction head 6, and the cleaning of the whole suction head 6 can be completed.

The embodiment of the application also discloses a dredging method, referring to fig. 6, the dredging method comprises the following steps:

s10: and acquiring the specification information of the sewage pool and the silt sucking range information of the suction head, and determining the silt cleaning position information of the bottom of the sewage pool.

Specifically, obtaining the sewage tank specification from construction data of the sewage tank, wherein the sewage tank specification comprises data such as length, width, bottom area, depth and the like in the sewage tank; obtaining the silt sucking range of the sucking head through experiments according to the power of the centrifugal pump and the size of the sucking head; and dividing and determining each dredging position of the bottom of the sewage tank by the area of the bottom of the sewage tank in the specification and the dredging range of the suction head.

S20: and calculating the maximum inclination angle information of the free hose section before the suction head reaches each dredging position according to the specification information of the sewage pool and the dredging position information.

In this embodiment, the maximum inclination angle of the free hose section refers to an inclination angle of the free hose section that prevents the suction head from striking the tank wall of the sewage tank when the suction head reaches the dredging position while improving the smoothness of the movement of the suction head along with the moving seat.

Specifically, according to width and depth data in the sewage pool specification and each dredging position, calculating the maximum inclination angle of the free hose section before the suction head reaches each dredging position, and keeping the inclination angle of the free hose section smaller than the maximum inclination angle every time before the suction head is moved to one dredging position, so that the movement smoothness of the suction head is improved.

S30: and triggering a dredging instruction according to the dredging position information and the maximum inclination angle information of the free soft pipe section.

Specifically, after the dredging positions and the maximum inclination angle of the free hose section are obtained, a dredging instruction is triggered, the movable seat is driven to move to the position right above the dredging positions through the first driving assembly and the second driving assembly, and in the moving process, the suction head is kept at a position smaller than the maximum inclination angle along with the swing of the free hose section through the driving assembly.

S40: and acquiring mud water concentration information in the connecting section, and judging whether the mud water concentration is smaller than a preset threshold value.

In this embodiment, the predetermined threshold value refers to a value for judging whether or not the cleaning of the sludge at the dredging position is completed.

Specifically, mud water concentration in the connecting section is detected through the mud water concentration meter in real time, the mud water concentration in the connecting section is obtained, the mud water concentration is compared with a preset threshold value, whether the mud water concentration is smaller than the preset threshold value or not is judged, and whether the mud at the dredging position is cleaned or not is judged.

S50: if yes, triggering a stop instruction.

Specifically, if the muddy water concentration is determined to be smaller than the preset threshold value, namely that the sludge at the dredging position is completely cleaned, a stop instruction is triggered, and the centrifugal pump is stopped.

In one embodiment, referring to fig. 7, the method of step S20 includes:

s21: and acquiring depth information of the sewage pool according to the specification information of the sewage pool, and determining total length information of the suction head after the suction head is mounted on the free hose section.

Specifically, the depth of the sewage pool is obtained from the specification of the sewage pool, and then the total length of the suction head after being installed on the free hose section, namely the distance between the movable seat and the pool bottom of the sewage pool, is determined according to the position of the movable seat, and the straight line formed by the suction head is one right-angle side.

S22: and acquiring horizontal distance information between the dredging position and the sewage pool wall in the advancing direction of the movable seat according to the dredging position information.

Specifically, according to the dredging position, the horizontal distance between the dredging position and the sewage pool wall in the advancing direction of the movable seat is obtained, and the straight line of the horizontal distance is the other right-angle side.

S23: and calculating the maximum inclination angle of the free soft pipe section according to the length information and the horizontal distance information of the free soft pipe section.

Specifically, a right triangle can be formed according to the length information and the horizontal distance of the free hose section, so that the maximum inclination angle of the free hose section can be calculated according to the Pythagorean theorem; the calculation mode is simple and convenient, and the calculation efficiency is high.

In an embodiment, referring to fig. 6, after step S50, the dredging method further includes:

s60: and acquiring the trigger information of the dredging ending instruction and the distance information between the movable seat and the initial position.

In the present embodiment, the initial position refers to the position at which the maximum distance between the movable base and the mounting plate is reached when the suction head is engaged between the two mounting plates

Specifically, after the dredging operation of all dredging positions is completed, the dredging ending instruction triggering information can be obtained, and the distance between the movable seat and the initial position is calculated.

S70: and triggering the suction head storage instruction according to the distance information.

Specifically, according to the distance between the movable seat and the initial position, the suction head storage instruction is triggered, the movable seat is moved to the initial position by the precursor, then the suction head is driven to be stored between the two mounting plates, the suction head is cleaned through the spray head, and the service life of the suction head is prolonged.

The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.

Claims (10)

1. The movable dredging device is characterized by comprising a movable frame (2) and a movable seat (3), wherein the movable frame (2) is arranged at a sewage pool opening and moves towards the X-axis direction, the movable seat (3) is slidably arranged on the movable frame (2) towards the Y-axis direction, a dredging pipe (4) is arranged on the movable seat (3), one section of the dredging hose is a connecting section (41) arranged on the movable seat (3), the other section of the dredging hose is a free hose section (42), and one end, far away from the free hose section (42), of the connecting section (41) is connected with an extracting piece (5); one end of the free hose section (42) far away from the connecting section (41) is provided with a suction head (6), and the suction head (6) is provided with a plurality of suction pipes (61) along the circumferential direction; the movable frame (2) is provided with a driving component (7) for driving the suction head (6) to swing; further comprises: a first driving component (21) for driving the moving frame (2) to move and a second driving component (31) for driving the moving seat (3) to slide.

2. A mobile dredging arrangement according to claim 1, wherein the actuating assembly (7) comprises: the device comprises a winding shaft (71) and a pull rope (72), wherein the winding shaft (71) is rotatably arranged on a movable frame (2), one end of the pull rope (72) is wound on the winding shaft (71), and the other end of the pull rope is arranged on a suction head (6); the actuation assembly (7) further comprises: a first driving member (73) for driving the winding shaft (71) to rotate.

3. The movable dredging device according to claim 2, wherein a pair of oppositely arranged mounting plates (22) are mounted on one side of the movable frame (2) facing downwards and corresponding to the winding shaft (71), a pair of arc-shaped sliding grooves (222) are formed in opposite side walls of the two mounting plates (22), inner arcs of the two arc-shaped sliding grooves (222) of the same pair are oppositely arranged, the arc-shaped sliding grooves (222) of the two mounting plates (22) are in one-to-one correspondence, and the two arc-shaped sliding grooves (222) corresponding to the two mounting plates (22) are in one group; a pair of arc-shaped sliding plates (223) are arranged between the two mounting plates (22), and the two arc-shaped sliding plates (223) are respectively slidably arranged on the two groups of arc-shaped sliding grooves (222); a second driving piece (24) for driving the arc-shaped sliding plate (223) to slide is arranged between the two mounting plates (22); the spray head (224) is installed to the intrados of arc slide (223), remove frame (2) and install the water supply piece that is used for supplying water to spray head (224).

4. A movable dredging device according to claim 3, wherein a replacement opening (25) is formed at the top of the movable frame (2) and corresponding to the positions of the two mounting plates (22), a pair of baffles (26) are mounted at the position of the movable frame (2) corresponding to the replacement opening (25), and the two baffles (26) slide in directions approaching or separating from each other; a limiting hole (221) for clamping the free hose section (42) is formed in one mounting plate (22), clamping blocks (27) are mounted on two sides of the mounting plate (22) located in the limiting hole (221), the two clamping blocks (27) slide towards the direction approaching or separating from each other, and the baffle plates (26) are arranged in one-to-one correspondence with the clamping blocks (27); the movable frame (2) is provided with a third driving assembly (8) for driving the corresponding baffle plate (26) and the clamping block (27) to move in opposite directions.

5. A mobile dredging arrangement according to claim 4, wherein the third drive assembly (8) comprises: the connecting rod (81), the first rack (82), the second rack (83) and the driving gear (84), wherein one end of the connecting rod (81) is arranged on the clamping block (27), and the other end extends towards the direction of the baffle plate (26); the first rack (82) is arranged on the baffle plate (26), and the second rack (83) is arranged at one end of the connecting rod (81) extending away from the baffle plate (26); the driving gear (84) is rotatably arranged on the moving frame (2), the driving gear (84) is positioned between the first rack (82) and the second rack (83), and the first rack (82) and the second rack (83) are respectively meshed with two sides of the driving gear (84); the third drive assembly (8) further comprises: and a third driving member (85) for driving the driving gear (84) to rotate.

6. A mobile dredging arrangement according to claim 1, wherein the suction member (5) comprises a centrifugal pump (51) and a water filling cartridge (52), the centrifugal pump (51) and the water filling cartridge (52) being in communication via a pipe, the end of the connecting section (41) remote from the free hose section (42) being in communication with the water filling cartridge (52), the water filling cartridge (52) being connected with a water pipe for letting in water.

7. A mobile dredging arrangement according to claim 1, wherein the connection section (41) is connected with a backwash pipe (43), the backwash pipe (43) being provided with a valve (44).

8. A dredging method based on a mobile dredging device according to any of claims 1-7, characterized in that the dredging method comprises:

acquiring the specification information of the sewage pool and the silt sucking range information of the suction head, and determining the silt cleaning position information of the bottom of the sewage pool;

calculating the maximum inclination angle information of the free hose section before the suction head reaches each dredging position according to the sewage pool specification information and each dredging position information;

triggering a dredging instruction according to the dredging position information and the maximum inclination angle information of the free hose section;

acquiring muddy water concentration information in the connecting section, and judging whether the muddy water concentration is smaller than a preset threshold value or not;

if yes, triggering a stop instruction.

9. The dredging method according to claim 8, wherein the method for calculating the maximum inclination angle information of the free hose section before the suction head reaches each dredging position based on the sewage tank specification information and each dredging position information comprises:

acquiring depth information of the sewage pool according to the specification information of the sewage pool, and determining total length information of the suction head after the suction head is mounted on the free hose section;

acquiring horizontal distance information between the dredging position and the sewage pool wall in the advancing direction of the movable seat according to the dredging position information;

and calculating the maximum inclination angle of the free hose section according to the length information of the free hose section and the horizontal distance information.

10. The method according to claim 8, wherein after triggering a stop command if yes, the method further comprises:

acquiring the trigger information of a dredging ending instruction, and acquiring the distance information between the movable seat and the initial position;

and triggering an absorbing head accommodating instruction according to the distance information.