CN109622526B - Smoke ventilator air pipe inner wall cleaning device - Google Patents

Abstract

The invention discloses a device for cleaning the inner wall of a ventilation duct of a range hood, which comprises a ventilation duct, a climbing device and a working chamber. The interior of the ventilation duct is provided with a working chamber. There are two sets of fixed boxes, each set has two fixed boxes, each fixed box is equipped with a round groove inside, the inside of the round groove is equipped with a baffle plate, one side of the baffle plate is equipped with an extension plate, and the rotating drum The rotation occurs, the brush starts to rotate, and at the same time, the cleaning liquid enters the water tank from the water pipe through the connecting pipe, and the cleaning liquid is sprayed from the nozzle on the water tank to clean the ventilation pipe. Under the traction of the climbing device, the ventilation pipe is first sprayed The cleaning solution is then scrubbed with a brush to remove the oil stains on the inner wall of the ventilation duct, which solves the problem of difficult cleaning of the inner wall of the ventilation duct, does not require workers to climb into the interior of the ventilation duct to clean, and improves cleaning efficiency.

Description

A cleaning device for the inner wall of the ventilation duct of the range hood

technical field

The invention relates to the field of pipe cleaning equipment, in particular to a device for cleaning the inner wall of a ventilation pipe of a range hood.

Background technique

Ventilation duct is a kind of municipal infrastructure to circulate air and reduce the concentration of harmful gases. Ventilation pipes, plates, profiles and other main finished materials used in the manufacture and installation of air ducts shall comply with the current national standards for design and related products, and shall apply the factory inspection certificate. Ventilation ducts are divided by material: generally include: steel plate ducts (ordinary steel plates), galvanized sheet (white iron) ducts, stainless steel ventilation ducts, glass fiber reinforced plastic ventilation ducts, plastic ventilation ducts, composite material ventilation ducts, color steel sandwich insulation board ventilation ducts , Double-sided aluminum foil insulation ventilation pipe, single-sided color steel insulation ventilation pipe, rubberized cloth ventilation pipe (such as mining air duct), mining plastic ventilation pipe, etc.

However, after the ventilation duct has been used for a period of time, a layer of dust or oil will stick to the inner wall. If it is not cleaned in time, the ventilation effect will be poor. At present, when people clean it, they usually wash it with water directly, but this cleaning method is ineffective and the oil is not easy to remove. , Also, cleaning workers enter the inside of the pipeline to clean. When the pipeline is high, the safety of the workers cannot be guaranteed, and the cleaning is troublesome and inefficient.

Contents of the invention

The purpose of the present invention is to provide a device for cleaning the inner wall of the ventilation duct of a range hood, so as to solve the problem that after a period of use of the ventilation duct, a layer of dust or oil will stick to the inner wall, and if it is not cleaned in time, the ventilation effect will be poor. When the pipeline is high, it is often washed directly with water, but this cleaning method is ineffective, the oil is not easy to remove, and cleaners enter the pipeline for cleaning. When the pipeline is high, the safety of workers cannot be guaranteed, and the cleaning is more troublesome and inefficient. .

The purpose of the present invention can be achieved through the following technical solutions:

A device for cleaning the inner wall of the ventilation duct of a range hood, including a ventilation duct, a climbing device and a working compartment. The interior of the ventilation duct is provided with a working compartment, and the outer side of the working compartment is provided with a rotating drum. There are two boxes in each set of fixed boxes. Each fixed box has a circular groove inside, and a baffle inside the circular groove. One side of the baffle is provided with an extension plate, and the other side There is a spring two between the inner wall of the circular groove, one end of the extension plate is fixedly connected to the side wall of the baffle plate, the other end of the extension plate passes through the circular groove and protrudes to the outside of the fixed box, and the extension plate extends The outer end of the fixed box is fixed with a brush, the inside of the working compartment is equipped with a servo motor, and one side of the servo motor is equipped with a driving gear. The output end of the servo motor is connected to the driving gear through a coupling, and is close to the driving gear. There is a notch on the side wall of the working compartment on the side, and a ring of teeth is provided on the inner wall of the drum outside the notch, and the driving gear is meshed with the teeth on the inner wall of the drum. An outer pipe is welded on the other side of the outer pipe, a water tank is arranged inside the outer pipe, and a connecting pipe is provided on the central axis inside the working chamber. One end of the connecting pipe extends out through the side wall of the working chamber, and the connecting pipe extends out The working chamber part is equipped with a quick joint, and the connecting pipe and the water pipe are connected through the quick joint. The other end of the connecting pipe is set on the side wall of the water tank and communicates with the inside of the water tank. There are several nozzles on the outside of the water tank, and one end of the nozzle passes through the outer pipe. Extending to the outside, one side of the outer tube is provided with a casing, one side of the casing is provided with a fixed frame, and four climbing devices are arranged between the fixed frame and the casing, and the four climbing devices are evenly arranged Between the fixed frame and the sleeve, the climbing device is composed of a hydraulic cylinder, a micro motor and a support plate, one end of the support plate is connected with the sleeve, the other end of the support plate is connected with the fixed frame, and one side of the support plate is provided with There is a connecting block, one side of the connecting block is hinged with the hydraulic cylinder, the hydraulic cylinder is equipped with a piston rod, one side of the piston rod is hinged with a sliding block, the middle part of the support plate is provided with a first chute, and the sliding block is set in the chute Inside, a housing is provided on one side of the support plate, and transmission wheels are provided at both ends of the housing. The two transmission wheels are connected by crawlers. A micro-motor is provided on the housing near the piston rod. Wheel transmission connection, the side wall on one side of the shell is provided with a first pole, one side of the first pole is provided with a second pole, and a sliding plate 2 is provided between the first pole and the second pole, and the sliding Plate 2 is provided with a second chute, one side of slide plate 2 is provided with slide plate 1, one end of slide plate 1 is fixed with a support rod, and one end of the support rod is fixed with a slide bar, which is set in the second chute Inside, the support rod is covered with a spring one.

As a further solution of the present invention: long plates are respectively welded on both sides of the fixing box, through holes are opened on the two long plates, threaded holes are opened on the side wall of the rotating drum, and the through holes on the long plates are connected with the rotating drum. The positions of the threaded holes on the drum correspond to each other, and the long plates on both sides of the fixing box can be fixed on the outside of the drum by bolts, which is convenient for disassembly and installation.

As a further solution of the present invention: the working chamber is a cylindrical structure, the outer side of the working chamber is provided with a drum, the rotating drum is connected to the working chamber in rotation, the inside of the working chamber is provided with a motor mounting seat, and the motor mounting seat is provided with a servo motor The output end of the servo motor drives the coupling to rotate, and then drives the driving gear to rotate. Since the driving gear is meshed with the teeth on the inner wall of the drum, the drum rotates to achieve the purpose of cleaning the inner wall of the ventilation duct.

As a further solution of the present invention: a rectangular plate is fixed at one end of the support plate close to the sleeve, the rectangular plate is fixedly connected with the sleeve through bolts and nuts, a connecting block is provided on one side of the rectangular plate, and the connecting block is hinged to the rectangular plate, The connecting block can be rotated so that the position of the hydraulic cylinder can be adjusted.

As a further solution of the present invention: one end of the first strut and the second strut are respectively hinged to the side wall of the casing, and the other ends of the first strut and the second strut are respectively hinged to the side wall of the support plate, so that The shell can be adjusted according to the size of the inner diameter of the ventilation duct to realize the climbing function.

As a further solution of the present invention: one end of the sliding plate two is arranged on the casing, and one end of the sliding plate two is hinged on the casing, one end of the sliding plate one is arranged on the sliding block, and the sliding plate one is hinged to the sliding block, When the climbing device enters the inside of the ventilation duct, when the inner diameter of the ventilation duct is large, the piston rod inside the control hydraulic cylinder pushes the sliding block to move along the first chute, so that the sliding plate is compressed against the spring, and the spring is paired with the sliding plate. 2. Apply elastic force to make the shell move outwards, and the caterpillars contact the inner wall of the ventilation pipe. When the inner diameter of the ventilation pipe is small, the control piston rod is retracted into the hydraulic cylinder, and then the shell is moved to the inside of the support plate, which is convenient for cleaning.

As a further solution of the present invention: the number of the first strut and the second strut is two, and the two first struts and the two second struts are respectively symmetrically hinged on the side walls on both sides of the casing , there are two sliding plates 1 and 2 sliding plates, and the two sliding plates 1 and 2 sliding plates are respectively arranged on both sides of the shell, which can fix the shell and realize the movement of the cleaning device inside the ventilation duct Purpose.

The using method of this cleaning device specifically comprises the following steps:

Step 1: Put the climbing device into the ventilation duct, control the piston rod inside the hydraulic cylinder to push the sliding block to move along the first chute, so that the sliding rod compresses the spring one, and the spring exerts elastic force on the sliding plate two, so that the shell Moving to the outside, the track contacts the inner wall of the ventilation duct, and the output end of the micro-motor drives the transmission shaft to rotate, so that the track between the two drive shafts rotates and drags the outer tube to move;

Step 2: Fix the long plates on both sides of the fixed box on the outer side of the drum with bolts, the second spring pushes the baffle to move to the outside of the fixed box, and the baffle pushes the extension plate so that the brush contacts the inner wall of the ventilation duct, and through the servo The output end of the motor drives the coupling to rotate, and then drives the driving gear to rotate. Since the driving gear meshes with the teeth on the inner wall of the drum, the drum rotates and the brush starts to rotate;

Step 3: The cleaning liquid enters the water tank from the water pipe through the connecting pipe, and the cleaning liquid is sprayed from the nozzle on the water tank to clean the ventilation pipe. Brush to remove the oil on the inner wall of the ventilation duct.

Beneficial effects of the present invention:

1. In the present invention, when the inner diameter of the ventilation pipe is large, the piston rod inside the hydraulic cylinder is controlled to push the sliding block to move along the first chute, so that the sliding rod compresses the spring one, and the spring exerts elastic force on the sliding plate two, Make the shell move to the outside, and the crawler contact the inner wall of the ventilation duct. When the inner diameter of the ventilation duct is small, the control piston rod is retracted into the hydraulic cylinder, and then the shell is moved to the inside of the support plate, and the climbing device is placed in the ventilation duct. The micro motor The output end drives the transmission shaft to rotate, so that the crawler between the two transmission shafts rotates, drags the outer tube to move, and completes the cleaning purpose. This device can be dragged into the ventilation duct by the climbing device to complete the cleaning work, reducing the labor of workers. Strength, increase the range of use of the cleaning device;

2. In the present invention, the long plates on both sides of the fixed box are fixed on the outside of the drum by bolts, the second spring pushes the baffle to move to the outside of the fixed box, and the baffle pushes the extension plate so that the brush contacts the inner wall of the ventilation duct , through the output end of the servo motor to drive the coupling to rotate, and then drive the driving gear to rotate. Since the driving gear meshes with the teeth on the inner wall of the drum, the drum rotates and the brush starts to rotate. At the same time, the cleaning fluid flows from the water pipe through the connection. The pipe enters the water tank, and the cleaning liquid is sprayed from the nozzle on the water tank to clean the ventilation pipe. Oil stain removal solves the problem of difficult cleaning of the inner wall of the ventilation duct, does not require workers to climb into the interior of the ventilation duct to clean, and improves cleaning efficiency.

Description of drawings

In order to facilitate the understanding of those skilled in the art, the present invention will be further described below in conjunction with the accompanying drawings.

Fig. 1 is the overall structure schematic diagram of the present invention;

Fig. 2 is a schematic diagram of the internal structure of the working chamber in the present invention;

Fig. 3 is a schematic diagram of the internal structure of the outer pipe of the present invention;

Fig. 4 is the structural representation of climbing device among the present invention;

Fig. 5 is a schematic diagram of the internal structure of the fixed box in the present invention;

Fig. 6 is partial enlarged view A among the present invention;

In the figure: 1. water pipe; 2. ventilation pipe; 3. brush; 4. extension plate; 5. fixed box; 6. rotating drum; 7. nozzle; 8. outer pipe; 9. climbing device; Hydraulic cylinder; 11, piston rod; 12, micro motor; 13, crawler belt; 14, transmission wheel; 15, fixed frame; 16, shell; 17, support plate; 18, first chute; Sleeve; 21, quick connector; 22, working chamber; 23, water tank; 24, connecting pipe; 25, driving gear; 26, teeth; 27, servo motor; 28, first pole; 29, sliding plate one; 30, sliding block; 31, second pole; 32, sliding plate two; 33, second chute; 34, sliding bar; 35, spring one; 36, support rod; 37, spring two; 38, baffle plate; 39, circular groove.

detailed description

The technical solutions of the present invention will be clearly and completely described below in conjunction with the embodiments. Apparently, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

As shown in Figures 1-6, a device for cleaning the inner wall of the ventilation duct of a range hood includes a ventilation duct 2, a climbing device 9 and a working compartment 22. The interior of the ventilation duct 2 is provided with a working compartment 22, and the working compartment 22 The outer side is provided with rotating cylinder 6, and rotating cylinder 6 is provided with two groups of fixed boxes 5, and the quantity of every group of fixed boxes 5 has two, and the inside of each fixed box 5 is provided with circular groove 39, and the inside of circular groove 39 is provided with Baffle plate 38 is arranged, and one side of baffle plate 38 is provided with extension plate 4, is provided with spring two 37 between the other side of baffle plate 38 and the inwall of circular groove 39, and one end of elongation plate 4 is fixedly connected on baffle plate On the side wall of 38, the other end of elongated plate 4 stretches out to the outside of fixed box 5 through circular groove 39, and elongated plate 4 stretches out to the outside end of fixed box 5 and is fixedly provided with hairbrush 3, and working chamber 22 Servomotor 27 is provided inside the servomotor 27, and one side of servomotor 27 is provided with driving gear 25, and the output end of servomotor 27 is connected with driving gear 25 through coupling, and the sidewall of working chamber 22 near driving gear 25 side There is a notch on the top, and a circle of teeth 26 is arranged on the inner wall of the rotating drum 6 outside the notch, and the driving gear 25 is meshed with the teeth 26 on the inner wall of the rotating drum 6. The other side of 22 is welded with outer pipe 8, the inside of outer pipe 8 is provided with water tank 23, is provided with connecting pipe 24 on the central axis position inside working chamber 22, and one end of connecting pipe 24 protrudes through working chamber 22 side walls To the outside, and the connecting pipe 24 stretches out of the working chamber 22 part is provided with a quick joint 21, the connecting pipe 24 and the water pipe 1 are connected through the quick joint 21, the other end of the connecting pipe 24 is arranged on the side wall of the water tank 23 and connected to the inside of the water tank 23 Connected, the outside of the water tank 23 is provided with several nozzles 7, and one end of the nozzles 7 stretches out to the outside through the outer tube 8. During work, the long plates on both sides of the fixing box 5 are fixed on the outside of the drum 6 by bolts, and the springs 2 37 pushes the baffle 38 to move to the outside of the fixed box 5, and the baffle 38 pushes the extension plate 4, so that the brush 3 contacts the inner wall of the ventilation duct 2, and drives the coupling to rotate through the output end of the servo motor 27, and then drives the driving gear 25 rotates, because the driving gear 25 meshes with the teeth on the inner wall of the drum 6, the drum 6 rotates, and the brush 3 starts to rotate. At the same time, the cleaning liquid enters the water tank 23 from the water pipe 1 through the connecting pipe 24. The nozzle 7 on the 23 sprays outwards to clean the ventilation duct 2. Under the traction of the climbing device 9, the cleaning liquid is first sprayed on the ventilation duct 2, and then brushed by the brush 3 to remove the oil on the inner wall of the ventilation duct 2. , to solve the problem of difficulty in cleaning the inner wall of the ventilation duct 2, without the need for workers to climb into the interior of the ventilation duct 2 to clean, and to improve cleaning efficiency.

One side of the outer tube 8 is provided with a sleeve pipe 20, and one side of the sleeve pipe 20 is provided with a fixed frame 15, and four climbing devices 9 are arranged between the fixed frame 15 and the sleeve pipe 20, and the four climbing devices 9 are evenly spaced. Set between the fixed frame 15 and the sleeve pipe 20, the climbing device 9 is made up of a hydraulic cylinder 10, a micro motor 12 and a support plate 17, one end of the support plate 17 is connected with the sleeve pipe 20, and the other end of the support plate 17 is connected with the sleeve pipe 20. The fixed frame 15 is connected, and one side of the support plate 17 is provided with a connecting block 19, and one side of the connecting block 19 is hinged with the hydraulic cylinder 10, and the inside of the hydraulic cylinder 10 is provided with a piston rod 11, and one side of the piston rod 11 is hinged with a sliding block 30, the middle part of the support plate 17 is provided with a first chute 18, the sliding block 30 is arranged in the chute 18, one side of the support plate 17 is provided with a casing 16, and the two ends of the casing 16 are provided with transmission wheels 14, two transmission wheels The wheels 14 are connected by crawler belts 13. A micromotor 12 is arranged on the casing 16 near the piston rod 11. The output end of the micromotor 12 is connected to the transmission wheel 14. Strut 28, one side of first strut 28 is provided with second strut 31, is provided with sliding plate 2 32 between first strut 28 and second strut 31, and sliding plate 2 32 is provided with second chute 33, one side of the sliding plate 32 is provided with a sliding plate one 29, one end of the sliding plate one 29 is fixedly provided with a support rod 36, and one end of the support rod 36 is fixedly provided with a slide bar 34, and the slide bar 34 is arranged on the second chute 33, the support rod 36 is covered with a spring 35. During work, when the inner diameter of the ventilation pipe 2 is large, the piston rod 11 inside the control hydraulic cylinder 10 pushes the sliding block 30 to move along the first chute 18, so that the sliding rod 1 29 compresses spring 1 35, spring 1 35 exerts elastic force on sliding plate 2 32, so that casing 16 moves to the outside, crawler belt 13 contacts the inner wall of ventilation duct 2, and when the inner diameter of ventilation duct 2 is small, the control piston rod 11 retracts into the hydraulic pressure. Inside the cylinder 10, the casing 16 is then moved to the inside of the support plate 17, the climbing device 9 is put into the ventilation duct 2, and the output end of the micro motor 12 drives the transmission shaft 14 to rotate, so that the crawler belt 13 between the two transmission shafts 14 Rotate and drag the outer pipe 8 to move to complete the cleaning purpose. The device can be dragged into the ventilation duct 2 by the climbing device 9 to complete the cleaning work, reducing the labor intensity of workers and increasing the scope of use of the cleaning device.

Both sides of the fixed box 5 are respectively welded with long plates, and both long plates are provided with through holes, and the side wall of the rotating drum 6 is provided with threaded holes, and the positions of the through holes on the long plates and the threaded holes on the rotating drum 6 Correspondingly, the long plates on both sides of the fixing box 5 can be fixed on the outside of the drum 6 by bolts, which is convenient for disassembly and installation.

The work chamber 22 is a cylindrical structure, the outside of the work chamber 22 is provided with a drum 6, the drum 6 is rotationally connected with the work chamber 22, the inside of the work chamber 22 is provided with a motor mount, and the motor mount is provided with a servo motor 27, through The output end of the servo motor 27 drives the shaft coupling to rotate, and then drives the driving gear 25 to rotate. Because the driving gear 25 is engaged with the teeth on the inner wall of the rotating drum 6, the rotating drum 6 is rotated to realize the purpose of cleaning the inner wall of the ventilation duct 2.

One end of the support plate 17 close to the sleeve pipe 20 is fixedly provided with a rectangular plate, the rectangular plate is fixedly connected with the sleeve pipe 20 by bolts and nuts, one side of the rectangular plate is provided with a connecting block 19, and the connecting block 19 is hinged with the rectangular plate so that the connecting block 19 can rotate, so that the position of the hydraulic cylinder 10 can be adjusted.

One end of the first strut 28 and the second strut 31 are respectively hinged with the side wall of the shell 16, and the other ends of the first strut 28 and the second strut 31 are hinged with the side wall of the support plate 17 respectively, so that the shell 16 can Adjust according to the size of the inner diameter of the ventilation duct 2 to realize the climbing effect.

One end of sliding plate two 32 is arranged on the shell 16, and one end of sliding plate two 32 is hinged on the shell 16, and one end of sliding plate one 29 is arranged on the sliding block 30, and sliding plate one 29 and sliding block 30 are hinged, when After the climbing device 9 enters the interior of the ventilation duct 2, when the inner diameter of the ventilation duct 2 is large, the piston rod 11 inside the control hydraulic cylinder 10 pushes the sliding block 30 to move along the first chute 18, so that the sliding plate 29 pairs of springs 1 35 compression, spring 1 35 exerts elastic force on sliding plate 2 32, so that casing 16 moves to the outside, crawler belt 13 contacts the inner wall of ventilation duct 2, when the inner diameter of ventilation duct 2 is small, control piston rod 11 shrinks into the inside of hydraulic cylinder 10, and then The shell 16 is moved to the inner side of the support plate 17 to facilitate the cleaning work.

The quantity of the first pole 28 and the second pole 31 is provided with two, and the two first poles 28 and the two second poles 31 are respectively symmetrically hinged on the side walls of the housing 16 both sides, and the slide plate 29 and two slide plates 32 are provided with two, and two slide plates one 29 and two slide plates two 32 are arranged on both sides of the shell 16 respectively, so that the shell 16 can be fixed, so that the cleaning device can be installed in the air duct 2 purpose of internal movement

The using method of this cleaning device specifically comprises the following steps:

Step 1: Put the climbing device 9 into the ventilation duct 2, control the piston rod 11 inside the hydraulic cylinder 10 to push the sliding block 30 to move along the first chute 18, so that the sliding rod 129 compresses the spring 35, and the spring 35 Apply elastic force to the sliding plate 2 32, so that the casing 16 moves to the outside, the crawler belt 13 contacts the inner wall of the ventilation duct 2, and the output end of the micro motor 12 drives the transmission shaft 14 to rotate, so that the crawler belt 13 between the two transmission shafts 14 rotates, dragging The outer tube 8 moves;

Step 2: Fix the long plates on both sides of the fixing box 5 on the outside of the drum 6 by bolts, the spring 2 37 pushes the baffle 38 to move to the outside of the fixing box 5, and the baffle 38 pushes the extension plate 4, so that the brush 3 and the The inner wall of the ventilation duct 2 is in contact, and the output end of the servo motor 27 drives the coupling to rotate, and then drives the driving gear 25 to rotate. Since the driving gear 25 is meshed with the teeth on the inner wall of the rotating drum 6, the rotating drum 6 rotates. Brush 3 starts to rotate;

Step 3: The cleaning liquid enters the water tank 23 from the water pipe 1 through the connecting pipe 24, and the cleaning liquid is sprayed outward from the nozzle 7 on the water tank 23 to clean the ventilation pipe 2. Under the traction of the climbing device 9, first clean the ventilation pipe. 2. Spray the cleaning solution, and then scrub with the brush 3 to remove the oil stain on the inner wall of the ventilation duct 2.

Beneficial effects of the present invention:

1. In the present invention, when the inner diameter of the ventilation pipe 2 is large, the piston rod 11 inside the control hydraulic cylinder 10 pushes the sliding block 30 to move along the first chute 18, so that the sliding rod one 29 compresses the spring one 35, and the spring one 35 exerts elastic force on the sliding plate 2 32, so that the casing 16 moves outward, and the crawler belt 13 contacts the inner wall of the ventilation duct 2. When the inner diameter of the ventilation duct 2 is small, the control piston rod 11 is retracted into the hydraulic cylinder 10, and then the casing 16 is supported The inner side of the board 17 moves, the climbing device 9 is put into the ventilation duct 2, the output end of the micro motor 12 drives the transmission shaft 14 to rotate, so that the crawler belt 13 between the two transmission shafts 14 rotates, and the outer pipe 8 is dragged to move, and the For cleaning purposes, the device can be dragged into the ventilation duct 2 by the climbing device 9 to complete the cleaning work, reduce the labor intensity of workers, and increase the scope of use of the cleaning device;

2. In the present invention, the long plates on both sides of the fixing box 5 are fixed on the outside of the drum 6 by bolts, the spring 2 37 pushes the baffle 38 to move to the outside of the fixing box 5, and the baffle 38 pushes the extension plate 4, so that the wool The brush 3 is in contact with the inner wall of the ventilation duct 2, drives the coupling to rotate through the output end of the servo motor 27, and then drives the driving gear 25 to rotate. Since the driving gear 25 is meshed with the teeth on the inner wall of the rotating drum 6, the rotating drum 6 is rotated. Rotate, hairbrush 3 starts to rotate, and cleaning fluid enters in the water tank 23 from water pipe 1 through connecting pipe 24 simultaneously, and cleaning fluid sprays outwards from nozzle 7 on the water tank 23, and ventilating pipeline 2 is cleaned, and the traction of climbing device 9 Next, first spray the cleaning solution on the ventilation duct 2, and then brush it with the brush 3 to remove the oil stains on the inner wall of the ventilation duct 2, so as to solve the problem of difficult cleaning of the inner wall of the ventilation duct 2, without the need for workers to climb into the ventilation duct 2 to clean, and improve cleaning efficiency.

Working principle of the present invention: when the present invention is used, when the inner diameter of the ventilation pipe 2 is larger, the piston rod 11 inside the control hydraulic cylinder 10 pushes the sliding block 30 to move along the first chute 18, so that the sliding rod-29 pairs of springs- 35 compression, spring 1 35 exerts elastic force on sliding plate 2 32, so that casing 16 moves to the outside, crawler belt 13 contacts the inner wall of ventilation duct 2, when the inner diameter of ventilation duct 2 is small, control piston rod 11 shrinks into the inside of hydraulic cylinder 10, and then The casing 16 is moved to the inner side of the support plate 17, the climbing device 9 is put into the ventilation duct 2, the output end of the micro motor 12 drives the transmission shaft 14 to rotate, so that the caterpillar belt 13 between the two transmission shafts 14 rotates, and the outside is dragged. The pipe 8 moves, and the long plates on both sides of the fixed box 5 are fixed on the outside of the drum 6 by bolts, the spring 2 37 pushes the baffle 38 to move to the outside of the fixed box 5, and the baffle 38 pushes the extension plate 4, so that the brush 3 Contact with the inner wall of the ventilation duct 2, drive the coupling to rotate through the output end of the servo motor 27, and then drive the driving gear 25 to rotate. Since the driving gear 25 is engaged with the teeth on the inner wall of the drum 6, the drum 6 rotates. The hairbrush 3 starts to rotate, and at the same time, the cleaning liquid enters the water tank 23 from the water pipe 1 through the connecting pipe 24, and the cleaning liquid sprays outwards from the nozzle 7 on the water tank 23 to clean the ventilation duct 2. Under the traction of the climbing device 9, First, spray the cleaning solution to the ventilation duct 2, and then scrub with the brush 3 to remove the oil stain on the inner wall of the ventilation duct 2.

The preferred embodiments of the invention disclosed above are only to help illustrate the invention. The preferred embodiments are not exhaustive in all detail, nor are the inventions limited to specific embodiments described. Obviously, many modifications and variations can be made based on the contents of this specification. This description selects and specifically describes these embodiments in order to better explain the principles and practical applications of the present invention, so that those skilled in the art can well understand and utilize the present invention. The invention is to be limited only by the claims, along with their full scope and equivalents.

Claims (1)

1. The cleaning device for the inner wall of the ventilation pipeline of the range hood is characterized by comprising a ventilation pipeline (2), a climbing device (9) and a working bin (22), wherein the working bin (22) is arranged inside the ventilation pipeline (2), a rotary drum (6) is arranged outside the working bin (22), two groups of fixed boxes (5) are arranged on the rotary drum (6), two springs (37) are arranged between the other side of each fixed box (5) and the inner wall of each circular groove (39), a baffle (38) is arranged inside each circular groove (39), an extension plate (4) is arranged on one side of each baffle (38), a brush (3) is arranged between the other side of each baffle (38) and the inner wall of each circular groove (39), one end of each extension plate (4) is fixedly connected onto the side wall of each baffle (38), the other end of each extension plate (4) penetrates through each circular groove (39) and extends out of each fixed box (5), a servo motor (27) is arranged inside each working bin (22), one side of each servo motor (27) is provided with a driving gear (25), and one side of each servo motor (25) is connected with a driving gear (25) through a driving gear (25) and a driving gear (25) on each driving gear, a circle of teeth (26) are arranged on the inner wall of the rotary drum (6) on the outer side of the notch, the driving gear (25) is meshed with the teeth (26) on the inner wall of the rotary drum (6), a water pipe (1) is arranged on one side of the working bin (22), an outer pipe (8) is welded on the other side of the working bin (22), a water tank (23) is arranged inside the outer pipe (8), a connecting pipe (24) is arranged on the central axis inside the working bin (22), one end of the connecting pipe (24) penetrates through the side wall of the working bin (22) and extends out of the outer side, a quick connector (21) is arranged on the part of the connecting pipe (24) extending out of the working bin (22), the connecting pipe (24) is connected with the water pipe (1) through the quick connector (21), the other end of the connecting pipe (24) is arranged on the side wall of the water tank (23) and is communicated with the inside of the water tank (23), a plurality of spray heads (7) are arranged on the outer side of the water tank (23), and one end of the spray heads (7) penetrates through the outer pipe (8) and extends out of the outer side;

one side of the outer pipe (8) is provided with a sleeve (20), one side of the sleeve (20) is provided with a fixed frame (15), four climbing devices (9) are arranged between the fixed frame (15) and the sleeve (20), the four climbing devices (9) are uniformly arranged between the fixed frame (15) and the sleeve (20), each climbing device (9) comprises a hydraulic cylinder (10), a micro motor (12) and a support plate (17), one end of each support plate (17) is connected with the sleeve (20), the other end of each support plate (17) is connected with the fixed frame (15), one side of each support plate (17) is provided with a connecting block (19), one side of each connecting block (19) is hinged with the hydraulic cylinder (10), a piston rod (11) is arranged inside the hydraulic cylinder (10), one side of each piston rod (11) is hinged with a sliding block (30), the middle part of each support plate (17) is provided with a first sliding groove (18), each sliding block (30) is arranged in each sliding groove (18), one side of each support plate (17) is provided with a shell (16), two ends of each shell (16) are provided with driving wheels (14), two driving wheels (13) are connected, one side of each driving wheel (12) close to the corresponding to each micro motor, and the corresponding to each driving wheel (12), a first support rod (28) is arranged on the side wall of one side of the shell (16), a second support rod (31) is arranged on one side of the first support rod (28), a sliding plate II (32) is arranged between the first support rod (28) and the second support rod (31), a second sliding chute (33) is formed in the sliding plate II (32), a sliding plate I (29) is arranged on one side of the sliding plate II (32), a support rod (36) is fixedly arranged at one end of the sliding plate I (29), a sliding rod (34) is fixedly arranged at one end of the support rod (36), the sliding rod (34) is arranged in the second sliding chute (33), and a spring I (35) is sleeved on the support rod (36);

the two sides of the fixed box (5) are respectively welded with a long plate, through holes are formed in the two long plates, threaded holes are formed in the side wall of the rotary drum (6), and the through holes in the long plates correspond to the threaded holes in the rotary drum (6);

the working bin (22) is of a cylindrical structure, a rotary drum (6) is arranged on the outer side of the working bin (22), the rotary drum (6) is rotatably connected with the working bin (22), a motor mounting seat is arranged inside the working bin (22), and a servo motor (27) is arranged on the motor mounting seat;

a rectangular plate is fixedly arranged at one end, close to the sleeve (20), of the supporting plate (17), the rectangular plate is fixedly connected with the sleeve (20) through bolts and nuts, a connecting block (19) is arranged on one side of the rectangular plate, and the connecting block (19) is hinged with the rectangular plate;

one ends of the first supporting rod (28) and the second supporting rod (31) are respectively hinged with the side wall of the shell (16), and the other ends of the first supporting rod (28) and the second supporting rod (31) are respectively hinged with the side wall of the supporting plate (17);

one end of the second sliding plate (32) is arranged on the shell (16), one end of the second sliding plate (32) is hinged to the shell (16), one end of the first sliding plate (29) is arranged on the sliding block (30), and the first sliding plate (29) is hinged to the sliding block (30);

the number of the first supporting rods (28) and the number of the second supporting rods (31) are two, the two first supporting rods (28) and the two second supporting rods (31) are symmetrically hinged to the side walls of the two sides of the shell (16) respectively, the number of the sliding plates I (29) and the number of the sliding plates II (32) are two, and the two sliding plates I (29) and the two sliding plates II (32) are arranged on the two sides of the shell (16) respectively;

the use method of the cleaning device specifically comprises the following steps:

the method comprises the following steps: the climbing device (9) is placed in a ventilation pipeline (2), a piston rod (11) in a hydraulic cylinder (10) is controlled to push a sliding block (30) to move along a first sliding groove (18), so that a first sliding plate (29) compresses a first spring (35), the first spring (35) applies elastic force to a second sliding plate (32), a shell (16) moves outwards, a crawler belt (13) contacts the inner wall of the ventilation pipeline (2), the output end of a micro motor (12) drives a driving wheel (14) to rotate, the crawler belt (13) between the two driving wheels (14) rotates, and an outer pipe (8) is dragged to move;

step two: the long plates on two sides of the fixing box (5) are fixed on the outer side of the rotary drum (6) through bolts, the second spring (37) pushes the baffle (38) to move towards the outer side of the fixing box (5), the baffle (38) pushes the long plates (4) to enable the brush (3) to be in contact with the inner wall of the ventilation pipeline (2), the output end of the servo motor (27) drives the coupler to rotate, then the driving gear (25) is driven to rotate, and the rotary drum (6) rotates due to the fact that the driving gear (25) is meshed with teeth on the inner wall of the rotary drum (6), and the brush (3) starts to rotate;

step three: during the washing liquid got into water tank (23) through connecting pipe (24) from water pipe (1), the washing liquid outwards sprayed from shower nozzle (7) on water tank (23), washs air pipe (2), under the traction of climbing device (9), sprays the washing liquid to air pipe (2) earlier, and rethread brush (3) are scrubbed, gets rid of the greasy dirt on air pipe (2) inner wall.

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