CN113385493B - Device for providing dust removal and dust collection for pipeline - Google Patents
Device for providing dust removal and dust collection for pipeline Download PDFInfo
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- CN113385493B CN113385493B CN202110644511.7A CN202110644511A CN113385493B CN 113385493 B CN113385493 B CN 113385493B CN 202110644511 A CN202110644511 A CN 202110644511A CN 113385493 B CN113385493 B CN 113385493B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
- B08B9/027—Cleaning the internal surfaces; Removal of blockages
- B08B9/032—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing
- B08B9/0321—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing using pressurised, pulsating or purging fluid
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
- B08B9/027—Cleaning the internal surfaces; Removal of blockages
- B08B9/032—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing
- B08B9/035—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing by suction
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
- B08B9/027—Cleaning the internal surfaces; Removal of blockages
- B08B9/04—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes
- B08B9/043—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes moved by externally powered mechanical linkage, e.g. pushed or drawn through the pipes
- B08B9/0436—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes moved by externally powered mechanical linkage, e.g. pushed or drawn through the pipes provided with mechanical cleaning tools, e.g. scrapers, with or without additional fluid jets
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
- B08B9/027—Cleaning the internal surfaces; Removal of blockages
- B08B9/04—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes
- B08B9/043—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes moved by externally powered mechanical linkage, e.g. pushed or drawn through the pipes
- B08B9/045—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes moved by externally powered mechanical linkage, e.g. pushed or drawn through the pipes the cleaning devices being rotated while moved, e.g. flexible rotating shaft or "snake"
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Cleaning In General (AREA)
Abstract
The invention discloses a device for removing dust and absorbing dust for a pipeline, which comprises a sensing device, a moving device, an inner wall cleaning device, a corner cleaning device, a main body and a dust absorbing device, wherein the head part of the main body is connected with the bottom surface of a base, the top surface of the base is connected with the sensing device, the tail part of the main body is connected with the dust absorbing device, the bottom part of the main body is connected with the moving device, the inner wall cleaning device and the corner cleaning device are respectively connected to the outer wall of the main body, and a control system and a power system are arranged in the main body; the number of the mobile devices is at least two; the invention solves the defects of high construction cost and long construction period of cleaning ventilation pipelines or other similar pipelines, can clean some small and medium-sized ventilation pipelines or similar pipelines with high efficiency and low cost, can collect dust and is beneficial to environmental protection.
Description
Technical Field
The invention relates to a dust removing and absorbing device, in particular to a device for removing dust and absorbing dust for a pipeline.
Background
Ventilating ducts are indispensable in high-rise buildings, and the common cleaning methods are as follows:
1. mechanical equipment method: after spraying the chemical oil agent into the ventilating duct, the inner wall of the Chongqing ventilating duct is cleaned by an electric flexible shaft brush and a pneumatic flexible shaft brush which can extend into the ventilating duct by 30 meters. The ventilation pipeline cleaning plan is as follows: the technical staff measures and calculates to disassemble a section of the ventilation pipeline at certain intervals and extend and clean the ventilation pipeline in two directions according to the actual cleaning condition of the ventilation pipeline, so as to ensure complete cleaning and ensure the cleaning quality.
2. A disassembly method: the distance, the opening direction, the large size and the number of the required openings are measured by the skilled worker, the ventilation pipeline is cleaned through the holes, and each hole is sealed.
The two cleaning modes have high requirements on the professional skills of technicians, and have high construction difficulty, large quantity of workers and relatively high cost. This is a drawback of the prior art.
Disclosure of Invention
In order to solve the above problems, the present invention provides an apparatus for providing dust removal and suction to a duct.
The technical scheme adopted by the invention is as follows: the utility model provides a device for pipeline provides dust removal and dust absorption which characterized in that: including induction system (1), mobile device (2), clean interior wall device (3), clean corner device (4), main part (5), dust extraction (6), the bottom surface of base (10) is connected to the head of main part (5), the top surface of base (10) with induction system (1) links to each other, the connection of the afterbody of main part (5) dust extraction (6), the bottom of main part (5) is connected mobile device (2), clean interior wall device (3) with clean corner device (4) are connected respectively on the outer wall of main part (5), set up control system and driving system in main part (5). The number of the mobile devices (2) is at least two.
The invention can also be said to be a device for providing dust removal and dust collection for a pipeline, and further, the corner cleaning device (4) comprises a cleaning head (4.1) and third cylinders (4.2), the four third cylinders (4.2) are symmetrically hinged on the left side and the right side of the outer wall of the main body (5), the four third cylinders (4.2) are respectively vertical to the outer wall of the main body (5) or the main body (5), the outer side of the third cylinder (4.2) is hinged with the cleaning head (4.1), the cleaning head (4.1) is provided with at least one cleaning top angle (4.14), and the cleaning top angle (4.14) is in angular contact with one of the four corners of the inner wall of the ventilation pipeline. The cleaning head (4.1) is made of flexible material. The four third cylinders (4.2) can adjust the included angles between each other on the same plane, so that the position between the cleaning heads (4.1) can be adjusted.
The invention can also be said to be a device for providing dust removal and dust collection for a pipeline, and further, a fixing device (11) is connected with a main body (5), at least 8 fixing devices (11) are arranged, the fixing device (11) is a U-shaped base, a hole (11.1) is formed in the bottom of the fixing device, 4 fixing devices (11) are connected with a third air cylinder (4.2), the third air cylinder (4.2) penetrates through the hole (11.1) and is hinged with the main body (5), a bolt hole (11.2) is formed in the middle of the side surface of the U-shaped base, and the third air cylinder (4.2) can be clamped through a bolt, so that the angle between the third air cylinder (4.2) is fixed; 4 fixing device (11) and fourth cylinder (8) are connected, and hole (11.1) is passed in fourth cylinder (8), and is articulated with main part (5), has keyhole (11.2) in the middle of the side of U type base, can block fourth cylinder (8) through the bolt, thereby fixes angle between fourth cylinder (8).
The invention can also be said to be a device for providing dust removal and dust collection for a pipeline, and further, the inner wall cleaning device (3) comprises four rolling rollers (3.1), four cleaning crawler belts (3.2), four second air cylinders (3.3), a first motor (3.4) and a first connecting piece (3.5), wherein the four rolling rollers (3.1) are wrapped by the cleaning crawler belts (3.2), the four second air cylinders (3.3) are connected to the four first connecting pieces (3.5) to form four sides of a rectangle, one ends of the four rolling rollers (3.1) are respectively connected to the same side of the four first connecting pieces (3.5), the other end of one rolling roller (3.1) is connected with the first motor (3.4), and the cleaning crawler belts (3.2) are sleeved on the four rolling rollers (3.1). The outer surface of the cleaning crawler belt (3.2) is provided with cleaning bristles. The first motor (3.4) drives a rolling roller (3.1) to rotate, and the rolling roller (3.1) drives the cleaning crawler (3.2) to rotate.
The invention also can be said to be a device for providing dust removal and dust collection for a pipeline, and further, the sensing device (1) comprises a sensor (1.1), a flexible bent rod (1.2) and a rotating head (1.3), wherein the sensor (1.1) is connected with the flexible bent rod (1.2), the flexible bent rod (1.2) is connected with the rotating head (1.3), the rotating head (1.3) is connected with a base (10), and a brush (1.4) is covered on the flexible bent rod (1.2).
The invention also relates to a device for providing dust removal and dust collection for a pipeline, and further the moving device (2) comprises wheels (2.1), a power device (2.3), a steering device (2.4) and a first air cylinder (2.5), wherein the first air cylinder (2.5) is connected with the steering device (2.4), the steering device (2.4) is connected with the power device (2.3), the wheels (2.1) are arranged at the bottom of the power device (2.3), and the first air cylinder (2.5) is connected with the main body (5).
The invention can also be said to be a device for providing dust removal and dust collection for a pipeline, and further, the dust collection device (6) comprises a dust collection box (6.1), a dust collection outer cover (6.2) and a dust collection port (6.3), the dust collection box (6.1) has a dust collection function, the dust collection port (6.3) is arranged below the dust collection box (6.1), the dust collection port (6.3) is connected with the dust collection outer cover (6.2), the dust collection outer cover (6.2) is a square funnel, the width of the funnel opening is 20% smaller than that of the ventilation pipeline, the dust collection outer cover (6.2) can be ensured to smoothly pass through the ventilation pipeline, and the funnel opening can be ensured to be large enough to absorb most of dust. The dust absorption outer cover (6.2) can be detached, and the dust absorption outer cover (6.2) with different specifications can be replaced according to the width of the ventilation pipeline.
The invention can also be said to be a device for providing dust removal and dust collection for a pipeline, and further, the moving device (2) comprises wheels (2.1), a jacking electric push rod (2.2), a power device (2.3), a steering device (2.4) and a first air cylinder (2.5), the first air cylinder (2.5) is connected with the steering device (2.4), the steering device (2.4) is connected with the power device (2.3), the wheels (2.1) are arranged at the bottom of the power device (2.3), the jacking electric push rod (2.2) is connected with the bottom of the power device (2.3), and the first air cylinder (2.5) is connected with the main body (5). Jack-up electric putter (2.2) outwards stretch out, promote this device and break away from the air pipe bottom surface, can effectually cross the protruding foreign matter of air pipe bottom surface with the help of inertia effect, overcome unevenness's pipe wall, make and travel more convenient.
The invention can also be said to be a device for providing dust removal and dust collection for a pipeline, and further, a second connecting piece (7) is rotatably connected with a first connecting piece (3.5), one ends of four fourth cylinders (8) are respectively connected with the inner sides of the four second connecting pieces (7), the other ends of the four fourth cylinders (8) are symmetrically hinged on the left side and the right side of the outer wall of the main body (5), and the four fourth cylinders (8) are respectively vertical to the main body (5) or the outer wall of the main body (5).
The invention can also be said to be a device for dust removal and dust absorption for a pipe, further, the second connecting piece (7) is hinged with the first connecting piece (3.5).
The invention also relates to a device for providing dust removal and dust collection for a pipeline, and further, the cleaning head (4.1) comprises concave teeth (4.11), convex teeth (4.12), through special-shaped holes (4.13), cleaning top corners (4.14) and fluff (4.15), the cleaning head (4.1) is provided with at least one cleaning top corner (4.14), and the cleaning top corner (4.14) is in contact with one of four corners of the inner wall of the ventilation pipeline. The through special-shaped hole (4.13) is positioned at a cleaning vertex angle (4.14) of the cleaning head (4.1), and the through special-shaped hole (4.13) is formed by connecting a strip-shaped hole (4.131) along an angular bisector of the cleaning vertex angle (4.14) of the cleaning head (4.1) with a circular hole (4.132) at the bottom of the strip-shaped hole. And a gap (4.133) is arranged between the edge and two surfaces of the cleaning top corner (4.14), and the gap (4.133) is communicated with the through special-shaped hole (4.13). The through special-shaped hole (4.13) penetrates through the thickness of the whole cleaning head (4.1). The concave teeth (4.11) and the convex teeth (4.12) are uniformly staggered along the edges and corners of the cleaning vertex angles (4.14), the concave teeth (4.11) and the convex teeth (4.12) of two faces of the edges and corners of the cleaning vertex angles (4.14) are also uniformly staggered, and the gaps (4.133) are positioned between the concave teeth (4.11) and the convex teeth (4.12). The concave teeth (4.11) are square, and the soft hair (4.15) is arranged on the concave teeth (4.11).
The invention can also be said to be a device for providing dust removal and dust collection for the pipeline, furthermore, the through special-shaped hole (4.13) is connected with the dust collection device (6) through the connecting conduit (12), and the dust collection device (6) sucks the dust collected in the through special-shaped hole (4.13) through the connecting conduit (12).
The invention can also be said to be a device for providing dust removal and dust collection for a pipeline, and further, the cleaning crawler (3.2) comprises cleaning brushes (3.21), elastic belts (3.22), dust collecting bags (3.23) and elastic crawlers (3.24), the cleaning brushes (3.21) are connected by the elastic belts (3.22), the bottom of the dust collecting bag (3.23) is connected with the elastic crawlers (3.24), two ends of the top of the dust collecting bag (3.23) are respectively connected with two adjacent cleaning brushes (3.21), and the elastic crawlers (3.24) wrap four rolling rollers (3.1). One end of the connecting calandria (13) is connected with the dust suction device (6), and the other end of the connecting calandria (13) is close to the cleaning crawler (3.2).
The invention can also be said to be a device for providing dust removal and dust collection for pipelines, furthermore, one end of the connecting calandria (13) close to the cleaning crawler (3.2) is provided with an extended bottom surface (13.1), and the extended bottom surface (13.1) is arranged under the cleaning crawler (3.2) in a spaced manner, so that the efficiency of sucking the dust in the dust collection bag (3.23) into the dust collection device (6) can be improved, and the dust is prevented from leaking.
The invention solves the defects of high construction cost and long construction period of cleaning ventilation ducts or other similar ducts, can clean some medium and small-sized ventilation ducts or similar ducts with high efficiency and low cost, can collect dust and is beneficial to environmental protection.
Drawings
Fig. 1 is an overall schematic view of the front part of the present invention.
Fig. 2 is an overall schematic view of the rear part of the present invention.
Figure 3 is a schematic view of the structure of the inner wall cleaning means member.
Fig. 4 is an overall schematic view of the bottom of the present invention.
Fig. 5 is an enlarged view of a of fig. 1.
Fig. 6 is an overall schematic view of the top of the present invention.
Fig. 7 is an enlarged view of B of fig. 6.
Fig. 8 is an enlarged view of C of fig. 6.
Fig. 9 is an overall schematic view of embodiment twelve.
Fig. 10 is an enlarged view of D of fig. 9.
Fig. 11 is an enlarged view of E of fig. 9.
Fig. 12 is a detail view of the through profiled hole.
Fig. 13 is a partial schematic configuration diagram of a thirteenth embodiment.
Referring to the drawings, 1 sensing device, 1.1 sensor, 1.2 flexible bent rod, 1.3 rotating head, 1.4 brush, 2 moving device, 2.1 wheel, 2.2 jack-up electric push rod, 2.3 power device, 2.4 steering device, 2.5 first cylinder, 3 inner wall cleaning device, 3.1 rolling roller, 3.2 cleaning crawler, 3.21 cleaning brush, 3.22 elastic band, 3.23 dust collecting pocket, 3.24 elastic crawler, 3.3 second cylinder, 3.4 first motor, 3.5 first connecting piece, 4 corner cleaning device, 4.1 cleaning head, 4.11 concave tooth, 4.12 convex tooth, 4.13 through shaped hole, 4.131 strip hole, 4.132 circular hole, 4.133 crack, 4.14 cleaning top angle, 4.15 soft hair, 4.2 third cylinder, 5 main body, 6 dust suction device, 6.1 dust suction box, 6.2 dust suction box, 6.3.7 external cover, 7.12 crack, 7 pipe, 7.11 flexible pipe connecting device, 11.11 base connecting device, 11 connecting device, 11.13 base connecting device, 11 connecting device, 11.11 connecting pipe, 13 extending device, and the like parts.
Detailed Description
In one embodiment, as shown in fig. 1 and 4, a device for removing dust and absorbing dust for a pipeline includes a sensing device (1), a moving device (2), an inner wall cleaning device (3), a corner cleaning device (4), a main body (5), and a dust absorbing device (6), wherein the head of the main body (5) is connected to the bottom surface of a base (10), the top surface of the base (10) is connected to the sensing device (1), the tail of the main body (5) is connected to the dust absorbing device (6), the bottom of the main body (5) is connected to the moving device (2), the inner wall cleaning device (3) and the corner cleaning device (4) are respectively connected to the outer wall of the main body (5), and a control system and a power system are arranged in the main body (5). The number of the mobile devices (2) is at least two.
In the second embodiment, as shown in fig. 2, a device for removing dust and absorbing dust for a pipeline, the corner cleaning device (4) comprises a cleaning head (4.1) and third cylinders (4.2), the four third cylinders (4.2) are symmetrically hinged on the left side and the right side of the outer wall of the main body (5), the four third cylinders (4.2) are respectively perpendicular to the main body (5) or the outer wall of the main body (5), the outer side of the third cylinders (4.2) is hinged with the cleaning head (4.1), the cleaning head (4.1) has at least one cleaning top angle (4.14), and the cleaning top angle (4.14) is in angular contact with one of the four corners of the inner wall of the ventilation pipeline. The cleaning head (4.1) is made of flexible material. The four third cylinders (4.2) can adjust the included angles between each other on the same plane, thereby adjusting the position between the cleaning heads (4.1). This is of basic mechanical construction and the skilled person will know that this will not be described again here.
In the third embodiment, as shown in fig. 2, the fixing device (11) is connected with the main body (5), the fixing device (11) is a U-shaped base, the bottom of the U-shaped base is provided with a hole (11.1), 4 fixing devices (11) are connected with the third cylinder (4.2), the third cylinder (4.2) penetrates through the hole (11.1) and is hinged with the main body (5), the middle of the side surface of the U-shaped base is provided with a bolt hole (11.2), and the third cylinder (4.2) can be clamped through a bolt, so that the angle between the third cylinders (4.2) can be fixed.
In the fourth embodiment, as shown in fig. 2, a flexible connecting device (9) is arranged in the middle of the main body (5), and the flexible connecting device (9) is a corrugated pipe. This facilitates a more flexible turning of the cleaning device of the ventilation duct. The number of the flexible connecting devices (9) is 1-3.
Fifth embodiment, as shown in fig. 3, 7 and 10, a device for removing dust and absorbing dust for a pipeline, the inner wall cleaning device (3) includes four rolling rollers (3.1), four cleaning tracks (3.2), four second cylinders (3.3), a first motor (3.4) and four first connecting pieces (3.5), the four rolling rollers (3.1) are wrapped by the cleaning tracks (3.2), the four second cylinders (3.3) are connected to the four first connecting pieces (3.5) to form four sides of a rectangle, one end of each of the four rolling rollers (3.1) is connected to the same side of the four first connecting pieces (3.5), the other end of one of the rolling roller (3.1) is connected to the first motor (3.4), and the cleaning tracks (3.2) are sleeved on the four rolling rollers (3.1). The outer surface of the cleaning crawler belt (3.2) is provided with cleaning bristles. The first motor (3.4) drives a rolling roller (3.1) to rotate, and the rolling roller (3.1) drives the cleaning crawler (3.2) to rotate.
Sixth embodiment, as shown in fig. 4, a device for providing dust removal and dust collection for a pipeline, the sensing device (1) includes a sensor (1.1), a flexible bent rod (1.2), and a rotating head (1.3), the sensor (1.1) is connected to the flexible bent rod (1.2), the flexible bent rod (1.2) is connected to the rotating head (1.3), the rotating head (1.3) is connected to a base (10), and the brush (1.4) is covered on the flexible bent rod (1.2). The rotating head (1.3) drives the flexible bent rod (1.2) to rotate, so that the cleaning device of the ventilation pipeline can be prevented from colliding with obstacles, and as the brush (1.4) covers the flexible bent rod (1.2), some spider webs connected in the ventilation pipeline can be removed in advance.
Seventh embodiment, as shown in fig. 4 and 5, a device for removing dust and absorbing dust for a pipeline, the moving device (2) includes wheels (2.1), a power device (2.3), a steering device (2.4), and a first cylinder (2.5), the first cylinder (2.5) is connected to the steering device (2.4), the steering device (2.4) is connected to the power device (2.3), the wheels (2.1) are disposed at the bottom of the power device (2.3), and the first cylinder (2.5) is connected to the main body (5).
In an eighth embodiment, as shown in fig. 4, a device for removing dust and absorbing dust for a pipeline, the dust absorbing device (6) includes a dust absorbing box (6.1), a dust absorbing outer cover (6.2), and a dust absorbing opening (6.3), the dust absorbing box (6.1) has a dust absorbing function, the dust absorbing opening (6.3) is arranged below the dust absorbing box (6.1), the dust absorbing opening (6.3) is connected with the dust absorbing outer cover (6.2), the dust absorbing outer cover (6.2) is a square funnel, the width of the funnel opening is 20% smaller than that of the ventilating duct, and it can be ensured that the dust absorbing outer cover (6.2) can smoothly pass through the ventilating duct and the funnel opening is large enough to absorb most of dust. The dust absorption outer cover (6.2) can be detached, and the dust absorption outer cover (6.2) with different specifications can be replaced according to the width of the ventilation pipeline.
Ninth embodiment, as shown in fig. 4 and 5, a device for providing dust removal and dust collection for a pipeline, the moving device (2) comprises wheels (2.1), a jacking electric push rod (2.2), a power device (2.3), a steering device (2.4), and a first air cylinder (2.5), wherein the first air cylinder (2.5) is connected with the steering device (2.4), the steering device (2.4) is connected with the power device (2.3), the wheels (2.1) are arranged at the bottom of the power device (2.3), the jacking electric push rod (2.2) is connected with the bottom of the power device (2.3), and the first air cylinder (2.5) is connected with a main body (5). Jack-up electric putter (2.2) outwards stretches out, promotes this device and breaks away from the air pipe bottom surface, can effectually cross the protruding foreign matter of air pipe bottom surface with the help of the inertia effect, overcomes unevenness's pipe wall, and it is more convenient to make travel.
Embodiment ten, as shown in fig. 6 and 7, a device for providing dust removal and dust collection for a pipeline, the second connecting member (7) is rotatably connected with the first connecting member (3.5), one end of each of four fourth cylinders (8) is connected with the inner side of each of the four second connecting members (7), the other ends of the four fourth cylinders (8) are symmetrically hinged on the left side and the right side of the outer wall of the main body (5), and the four fourth cylinders (8) are respectively perpendicular to the main body (5) or the outer wall of the main body (5).
The second connecting piece (7) is hinged with the first connecting piece (3.5).
Eleventh embodiment, as shown in fig. 8, the fixing device (11) is connected to the main body (5), the fixing device (11) is a U-shaped base, the bottom of the U-shaped base is provided with a hole (11.1), 4 fixing devices (11) are connected to the fourth cylinder (8), the fourth cylinder (8) passes through the hole (11.1) and is hinged to the main body (5), a bolt hole (11.2) is formed in the middle of the side surface of the U-shaped base, and the fourth cylinder (8) can be clamped by a bolt, so that an angle between the fourth cylinders (8) can be fixed.
Twelfth embodiment, as shown in fig. 9, 11, and 12, in a device for providing dust removal and suction to a duct, a cleaning head (4.1) includes a concave tooth (4.11), a convex tooth (4.12), a through-shaped hole (4.13), a cleaning vertex angle (4.14), and lint (4.15), and the cleaning head (4.1) has at least one cleaning vertex angle (4.14), and the cleaning vertex angle (4.14) comes into contact with one of four corners of an inner wall of a ventilation duct. The through special-shaped hole (4.13) is positioned at a cleaning vertex angle (4.14) of the cleaning head (4.1), and the through special-shaped hole (4.13) is formed by connecting a strip-shaped hole (4.131) along an angular bisector of the cleaning vertex angle (4.14) of the cleaning head (4.1) with a circular hole (4.132) at the bottom of the strip-shaped hole. And a gap (4.133) is arranged between the edge and two surfaces of the cleaning top corner (4.14), and the gap (4.133) is communicated with the through special-shaped hole (4.13). The through special-shaped hole (4.13) penetrates through the thickness of the whole cleaning head (4.1). The concave teeth (4.11) and the convex teeth (4.12) are uniformly staggered with each other along the edges and corners of the cleaning vertex angles (4.14), the concave teeth (4.11) and the convex teeth (4.12) of two faces of the edges and corners of the cleaning vertex angles (4.14) are also uniformly staggered with each other, and the gaps (4.133) are positioned between the concave teeth (4.11) and the convex teeth (4.12). The concave teeth (4.11) are square, and the concave teeth (4.11) are provided with the soft hair (4.15).
The cleaning top corners (4.14) are used for cleaning dust at four corners of the inner wall of the ventilation pipeline, the dust cannot be cleaned by the inner wall cleaning device (3), the convex teeth (4.12) of the cleaning top corners (4.14) clean the dust attached to the corners of the inner wall of the ventilation pipeline, the soft bristles (4.15) on the concave teeth (4.11) of the cleaning top corners (4.14) sweep the dust attached to the corners of the inner wall of the ventilation pipeline, the dust at the two positions falls into the through special-shaped holes (4.13) through the slits (4.133), and the dust falls into the circular holes (4.132) along the strip-shaped holes (4.131). Because concave tooth (4.11) and protruding tooth (4.12) are mutual even staggered arrangement, the dust in ventilation pipe inner wall corner has all passed through concave tooth (4.11) and protruding tooth (4.12) repetitious clearance, can reach the effect of clean up.
The through special-shaped hole (4.13) is connected with a dust suction device (6) through a connecting conduit (12), and the dust collected in the through special-shaped hole (4.13) is sucked into the dust suction device (6) through the connecting conduit (12).
Embodiment thirteen, as shown in fig. 10 and 13, a device for providing dust removal and absorption for pipelines, the cleaning crawler (3.2) comprises cleaning brushes (3.21), elastic belts (3.22), dust collection bags (3.23), elastic crawlers (3.24), the cleaning brushes (3.21) are connected by the elastic belts (3.22), the elastic crawlers (3.24) are connected to the bottoms of the dust collection bags (3.23), two adjacent cleaning brushes (3.21) are respectively connected to two ends of the tops of the dust collection bags (3.23), and the four rolling rollers (3.1) are wrapped by the elastic crawlers (3.24). One end of the connecting calandria (13) is connected with the dust suction device (6), and the other end of the connecting calandria (13) is close to the cleaning crawler (3.2).
The cleaning brush (3.21) positioned at the bottom sweeps dust on the bottom and the side wall in the ventilation pipeline down through the movement of the elastic crawler belt (3.24), a part of dust can be accumulated on the cleaning brush (3.21), the other part of dust can fall on the bottom of the ventilation pipeline, when the cleaning brush (3.21) at the bottom is turned to the top, the cleaning brush (3.21) sweeps the dust on the top in the ventilation pipeline, the dust on the cleaning brush (3.21) falls into the dust collecting pocket (3.23) through a gap between the elastic belts (3.22), the dust collection device (6) can suck the dust of the dust collecting pocket (3.23) through the connecting pipe (13), and the dust falling on the bottom of the ventilation pipeline can be sucked into the dust collection device (6) when the dust collection outer cover (6.2) passes through.
In the fourteen embodiment, one end of the connecting calandria (13) close to the cleaning crawler (3.2) is provided with an extended bottom surface (13.1), and the extended bottom surface (13.1) is arranged below the cleaning crawler (3.2) in a spaced manner, so that the efficiency of sucking the dust of the dust collecting bag (3.23) into the dust collection device (6) can be improved, and the dust is prevented from leaking.
The cleaning brush (3.21) located at the bottom moves through the elastic crawler belt (3.24) to sweep off dust on the bottom and the side wall in the ventilation pipeline, a part of dust can be accumulated on the cleaning brush (3.21), the other part of dust can fall on the bottom of the ventilation pipeline, when the cleaning brush (3.21) at the bottom is turned to the top, the cleaning brush (3.21) can sweep off the dust on the top in the ventilation pipeline, the dust on the cleaning brush (3.21) falls into the dust collecting pocket (3.23) through a gap between the elastic belts (3.22), the dust collection device (6) can suck the dust of the dust collecting pocket (3.23) through the connecting exhaust pipe (13), and the dust falling on the bottom of the ventilation pipeline can be sucked into the dust collection device (6) when the dust collection outer cover (6.2) passes through.
When the device works, the device is placed in a ventilation pipeline, the moving device (2) drives the device to move forward, the inner wall cleaning device (3) cleans dust on the inner wall of the ventilation pipeline, the corner cleaning device (4) cleans dust in four corners of the ventilation pipeline, and the dust collecting device (6) collects the cleaned dust. When the sensing device (1) senses that the front is provided with an obstacle, the control system controls the moving device (2) to turn.
Working principle specific to each component:
the power system of main part (5) passes through first cylinder (2.5) and can adjust the height of main part (5) for clean inner wall device (3) and clean corner device (4), the inner wall of laminating air pipe that can be better turns to device (2.4) and can make main part (5) turn, main part (5) middle part sets up flexible connection device (9), the more nimble turn of cleaning device of air pipe that can be convenient for like this.
The power device (2.3) drives the wheels (2.1) to move forward. The jacking electric push rod (2.2) is connected with the bottom of the power device (2.3), and the first cylinder (2.5) is connected with the main body (5). Sensing objects such as the small stone or the cement piece of main part (5) the air pipe inner wall bottom in place ahead when induction system (1), blockked advancing of main part (5), at this moment outwards stretch out through jack-up electric putter (2.2), promote this device and break away from the air pipe bottom surface, can effectually cross the protruding foreign matter in air pipe bottom surface with the help of inertia effect, overcome unevenness's pipe wall, make it more convenient to travel.
The rotating head (1.3) of the sensing device (1) drives the flexible bent rod (1.2) and the sensor (1.1) to rotate, the sensor (1.1) can sense an obstacle in front of the main body (5), and the steering device (2.4) is controlled by the control system to turn. The rotating head (1.3) drives the inductor (1.1) to rotate through the flexible bent rod (1.2) so as to prevent the cleaning device of the ventilation pipeline from colliding with obstacles, and as the brush (1.4) is covered on the flexible bent rod (1.2), some spider nets connected in the ventilation pipeline can be removed in advance. Otherwise, the spider webs may adhere to the device, affecting its working efficiency and even shortening its useful life.
First motor (3.4) of clean interior wall device (3) drives four roll roller (3.1) and rotates, roll roller (3.1) drives clean track (3.2) removal again, four sides that constitute the rectangle on four first connecting piece (3.5) are connected in four second cylinder (3.3), four first connecting piece (3.5) rotate with four second connecting piece (7) respectively and are connected, four second connecting piece (7) are connected with four fourth cylinder (8) respectively, four fourth cylinder (8) symmetry articulate on the left and right sides of main part (5), four fourth cylinder (8) are perpendicular to main part (5) or main part (5) outer wall respectively, can be through adjusting the angle between four fourth cylinder (8), the rethread fixing device (11) is fixed.
By adjusting the length of the four second cylinders (3.3) and the angle and the length between the four fourth cylinders (8), the circumference of the cleaning crawler (3.2) can be freely adjusted to adapt to ventilation pipelines with different specifications. The cleaning crawler belt (3.2) is made of elastic materials and can be stretched so as to be suitable for ventilation pipelines with different specifications.
The outer side of a third cylinder (4.2) of the corner cleaning device (4) is hinged with a cleaning head (4.1), the cleaning head (4.1) is provided with at least one cleaning top corner (4.14), and the cleaning top corner (4.14) is in angular contact with one of four corners of the inner wall of the ventilation pipeline. The four third air cylinders (4.2) can adjust the included angles between each other on the same plane, so that the positions between the cleaning heads (4.1) are adjusted to adapt to ventilation pipelines with different specifications.
The dust suction device (6) sucks the dust at the bottom in the ventilation pipeline into the dust suction box (6.1) through the dust suction outer cover (6.2) and the dust suction opening (6.3).
In summary, the present invention is only an embodiment, but not limited to the embodiment, and various technical features may be recombined to realize more implementations, and equivalent modifications and additions made by the present application without departing from the spirit of the present invention are considered to be within the technical scope of the present invention.
Claims (7)
1. The utility model provides a device that removes dust and dust absorption is provided for the pipeline which characterized in that: the device comprises an induction device (1), a moving device (2), an inner wall cleaning device (3), a corner cleaning device (4), a main body (5) and a dust suction device (6), wherein the head part of the main body (5) is connected with the bottom surface of a base (10), the top surface of the base (10) is connected with the induction device (1), the tail part of the main body (5) is connected with the dust suction device (6), the bottom part of the main body (5) is connected with the moving device (2), the inner wall cleaning device (3) and the corner cleaning device (4) are respectively connected onto the outer wall of the main body (5), and a control system and a power system are arranged in the main body (5); at least two mobile devices (2) are provided; the corner cleaning device (4) comprises a cleaning head (4.1) and a third cylinder (4.2), the four third cylinders (4.2) are symmetrically hinged on the left side and the right side of the outer wall of the main body (5), the four third cylinders (4.2) are respectively perpendicular to the outer wall of the main body (5) or the outer wall of the main body (5), the outer side of the third cylinder (4.2) is hinged with the cleaning head (4.1), the cleaning head (4.1) is provided with at least one cleaning top angle (4.14), and the cleaning top angle (4.14) is in angular contact with one of four corners of the inner wall of the ventilation pipeline; the cleaning head (4.1) is made of flexible material; the four third cylinders (4.2) can adjust the included angles between the cleaning heads on the same plane, so that the positions of the cleaning heads (4.1) are adjusted; the moving device (2) comprises wheels (2.1), a jacking electric push rod (2.2), a power device (2.3), a steering device (2.4), a first air cylinder (2.5), wherein the first air cylinder (2.5) is connected with the steering device (2.4), the steering device (2.4) is connected with the power device (2.3), the wheels (2.1) are arranged at the bottom of the power device (2.3), the jacking electric push rod (2.2) is connected with the bottom of the power device (2.3), and the first air cylinder (2.5) is connected with a main body (5); induction system (1) includes inductor (1.1), flexible knee (1.2), rotates head (1.3), inductor (1.1) is connected flexible knee (1.2), flexible knee (1.2) is connected rotate head (1.3), rotate head (1.3) and connect base (10), brush (1.4) has been covered above flexible knee (1.2).
2. The apparatus of claim 1 for providing dusting and suction for pipes, wherein: the fixing device (11) is connected with the main body (5), at least 8 fixing devices (11) are arranged, each fixing device (11) is a U-shaped base, the bottom of each fixing device is provided with a hole (11.1), 4 fixing devices (11) are connected with the third cylinder (4.2), the third cylinder (4.2) penetrates through the holes (11.1) and is hinged with the main body (5), a bolt hole (11.2) is formed in the middle of the side face of the U-shaped base, and the third cylinder (4.2) can be clamped through a bolt, so that the angle between the third cylinders (4.2) is fixed; 4 fixing device (11) are connected with fourth cylinder (8), and fourth cylinder (8) pass hole (11.1), and are articulated with main part (5), have keyhole (11.2) in the middle of the side of U type base, can block fourth cylinder (8) through the bolt to fix angle between fourth cylinder (8).
3. The apparatus of claim 1 for providing dusting and suction for pipes, wherein: the inner wall cleaning device (3) comprises rolling rollers (3.1), cleaning tracks (3.2), second cylinders (3.3), first motors (3.4) and first connecting pieces (3.5), the cleaning tracks (3.2) wrap four rolling rollers (3.1), the four second cylinders (3.3) are connected to the four first connecting pieces (3.5) to form four sides of a rectangle, one ends of the four rolling rollers (3.1) are respectively connected to the same sides of the four first connecting pieces (3.5), the other end of one rolling roller (3.1) is connected with the first motor (3.4), and the cleaning tracks (3.2) are sleeved on the four rolling rollers (3.1); cleaning bristles are arranged on the outer surface of the cleaning crawler (3.2); the first motor (3.4) drives a rolling roller (3.1) to rotate, and the rolling roller (3.1) drives the cleaning crawler (3.2) to rotate; the second connecting piece (7) is rotatably connected with the first connecting piece (3.5), one ends of four fourth cylinders (8) are respectively connected with the inner sides of the four second connecting pieces (7), the other ends of the four fourth cylinders (8) are symmetrically hinged on the left side and the right side of the outer wall of the main body (5), and the four fourth cylinders (8) are respectively vertical to the main body (5) or the outer wall of the main body (5); the second connecting piece (7) is hinged with the first connecting piece (3.5).
4. The apparatus of claim 1 for providing dusting and suction for pipes, wherein: the cleaning head (4.1) comprises concave teeth (4.11), convex teeth (4.12), a through special-shaped hole (4.13), a cleaning top angle (4.14) and fluff (4.15), the cleaning head (4.1) is provided with at least one cleaning top angle (4.14), and the cleaning top angle (4.14) is in angular contact with one of four corners of the inner wall of the ventilation pipeline; the through special-shaped hole (4.13) is positioned at a cleaning vertex angle (4.14) of the cleaning head (4.1), and the through special-shaped hole (4.13) is formed by connecting a strip-shaped hole (4.131) along an angular bisector of the cleaning vertex angle (4.14) of the cleaning head (4.1) with a circular hole (4.132) at the bottom of the strip-shaped hole; a gap (4.133) is arranged between the two edges of the cleaning vertex angle (4.14), and the gap (4.133) is communicated with the through special-shaped hole (4.13); the through special-shaped hole (4.13) penetrates through the thickness of the whole cleaning head (4.1); the concave teeth (4.11) and the convex teeth (4.12) are uniformly staggered with each other along the edges and corners of the cleaning vertex angles (4.14), meanwhile, the concave teeth (4.11) and the convex teeth (4.12) of two surfaces of the edges and corners of the cleaning vertex angles (4.14) are also uniformly staggered with each other, and the gaps (4.133) are positioned between the concave teeth (4.11) and the convex teeth (4.12); the concave teeth (4.11) are square, and the soft hair (4.15) is arranged on the concave teeth (4.11).
5. The apparatus of claim 4 for providing dusting and suction for pipes, wherein: the through special-shaped hole (4.13) is connected with a dust suction device (6) through a connecting conduit (12), and the dust collected in the through special-shaped hole (4.13) is sucked into the dust suction device (6) through the connecting conduit (12).
6. A device for providing dusting and suction of a pipe according to claim 3, wherein: the cleaning crawler belt (3.2) comprises cleaning brushes (3.21), elastic belts (3.22), dust collecting bags (3.23) and elastic crawler belts (3.24), the cleaning brushes (3.21) are connected through the elastic belts (3.22), the bottoms of the dust collecting bags (3.23) are connected with the elastic crawler belts (3.24), two ends of the tops of the dust collecting bags (3.23) are respectively connected with two adjacent cleaning brushes (3.21), and the four rolling rollers (3.1) are wrapped by the elastic crawler belts (3.24); one end of the connecting calandria (13) is connected with the dust suction device (6), and the other end of the connecting calandria (13) is close to the cleaning crawler (3.2).
7. An apparatus for providing dusting and suction for pipes according to claim 6, wherein: one end of the connecting calandria (13) close to the cleaning crawler (3.2) is provided with an extended bottom surface (13.1), and the extended bottom surface (13.1) is arranged under the cleaning crawler (3.2) in a spaced manner, so that the efficiency of sucking the dust in the dust collecting bag (3.23) into the dust collection device (6) can be improved, and the dust is prevented from leaking.
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Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA2327787A1 (en) * | 1999-12-27 | 2001-06-27 | Shoji Kitahara | Cleaning machine for die used for synthetic resin mould |
CN203330073U (en) * | 2013-03-13 | 2013-12-11 | 徐聪 | Multifunctional integrated air pipe cleaning robot |
CN107081773A (en) * | 2017-06-26 | 2017-08-22 | 深圳市晓控通信科技有限公司 | A kind of Intelligent robot for sweeping floor based on Internet of Things |
CN108036416A (en) * | 2017-11-28 | 2018-05-15 | 刘瑾浩 | A kind of Intelligent air purifier with cleaning function pipeline based on Internet of Things |
CN208879264U (en) * | 2018-09-12 | 2019-05-21 | 广州清新环保科技有限公司 | Central air conditioning tuber pipe washs dust absorption robot |
CN110000168A (en) * | 2019-04-30 | 2019-07-12 | 佛山市顺德区洁家环保设备科技有限公司 | A kind of wind pipe of central air-conditioning cleaning machine and cleaning method |
CN210474868U (en) * | 2019-09-17 | 2020-05-08 | 蒋亚强 | Deashing trolley for steelmaking dust removal pipeline |
CN212821247U (en) * | 2021-01-13 | 2021-03-30 | 尚华 | Weaving machine weaving dirt collection device |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102008001908A1 (en) * | 2008-05-21 | 2009-11-26 | Hilti Aktiengesellschaft | Device for borehole cleaning |
CN101281938B (en) * | 2008-05-28 | 2011-10-05 | 安泰科技股份有限公司 | Method and apparatus for montage and assemble of thin film solar battery component as well as product thereof |
CN101353063B (en) * | 2008-07-07 | 2011-09-28 | 国营红峰机械厂 | Self-adapting intelligent walking method for pipe cleaning robot |
CN203426113U (en) * | 2013-07-03 | 2014-02-12 | 胡雄华 | Sweeping and dust collecting integrated robot of branch air hose and flat air hose |
CN107185916B (en) * | 2017-05-09 | 2019-12-03 | 中国科学院半导体研究所 | Laser cleaning system for inner wall of the pipe cleaning |
CN109008816B (en) * | 2018-08-09 | 2021-03-05 | 江西佰嘉实业有限公司 | Efficient and environment-friendly machining scrap treatment equipment |
CN208894783U (en) * | 2018-10-17 | 2019-05-24 | 广东顺德蓝导电器科技有限公司 | Pipeline cleaning robot |
CN109365431B (en) * | 2018-11-16 | 2021-07-27 | 南通理工学院 | Pipeline inner wall coating napping and soot blowing dust collection device |
CN110193502B (en) * | 2019-05-31 | 2020-09-04 | 南京涵铭置智能科技有限公司 | Pipeline cleaning robot and control method |
CN110142265A (en) * | 2019-06-27 | 2019-08-20 | 陕西中建建乐智能机器人有限公司 | A kind of wireless pipe cleaning robot |
CN111069199A (en) * | 2019-12-04 | 2020-04-28 | 三峡大学 | Automatic cleaning device and cleaning method for ship ventilation pipeline |
CN212883976U (en) * | 2020-07-31 | 2021-04-06 | 苏州石钢木建设有限公司 | Inside cleaning and dust removing device for power pipeline |
CN212759860U (en) * | 2020-08-18 | 2021-03-23 | 内蒙古工业大学 | Steering crawler wheel groove type dust removal device carried by unmanned aerial vehicle |
-
2021
- 2021-06-09 CN CN202110644511.7A patent/CN113385493B/en active Active
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA2327787A1 (en) * | 1999-12-27 | 2001-06-27 | Shoji Kitahara | Cleaning machine for die used for synthetic resin mould |
CN203330073U (en) * | 2013-03-13 | 2013-12-11 | 徐聪 | Multifunctional integrated air pipe cleaning robot |
CN107081773A (en) * | 2017-06-26 | 2017-08-22 | 深圳市晓控通信科技有限公司 | A kind of Intelligent robot for sweeping floor based on Internet of Things |
CN108036416A (en) * | 2017-11-28 | 2018-05-15 | 刘瑾浩 | A kind of Intelligent air purifier with cleaning function pipeline based on Internet of Things |
CN208879264U (en) * | 2018-09-12 | 2019-05-21 | 广州清新环保科技有限公司 | Central air conditioning tuber pipe washs dust absorption robot |
CN110000168A (en) * | 2019-04-30 | 2019-07-12 | 佛山市顺德区洁家环保设备科技有限公司 | A kind of wind pipe of central air-conditioning cleaning machine and cleaning method |
CN210474868U (en) * | 2019-09-17 | 2020-05-08 | 蒋亚强 | Deashing trolley for steelmaking dust removal pipeline |
CN212821247U (en) * | 2021-01-13 | 2021-03-30 | 尚华 | Weaving machine weaving dirt collection device |
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