CN117569242A - Dust flushing operation arm and dust flushing equipment - Google Patents

Dust flushing operation arm and dust flushing equipment Download PDF

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Publication number
CN117569242A
CN117569242A CN202311865689.XA CN202311865689A CN117569242A CN 117569242 A CN117569242 A CN 117569242A CN 202311865689 A CN202311865689 A CN 202311865689A CN 117569242 A CN117569242 A CN 117569242A
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CN
China
Prior art keywords
dust
arm
pivot axis
pivot
support arms
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202311865689.XA
Other languages
Chinese (zh)
Inventor
赵叔吉
任怀伟
李世军
张德生
周杰
马梓焱
张帅
文治国
王志峰
李建
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tiandi Science and Technology Co Ltd
CCTEG Coal Mining Research Institute
Original Assignee
Tiandi Science and Technology Co Ltd
CCTEG Coal Mining Research Institute
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Tiandi Science and Technology Co Ltd, CCTEG Coal Mining Research Institute filed Critical Tiandi Science and Technology Co Ltd
Priority to CN202311865689.XA priority Critical patent/CN117569242A/en
Publication of CN117569242A publication Critical patent/CN117569242A/en
Pending legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01H—STREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; DISPERSING OR PREVENTING FOG IN GENERAL CLEANING STREET OR RAILWAY FURNITURE OR TUNNEL WALLS
    • E01H1/00—Removing undesirable matter from roads or like surfaces, with or without moistening of the surface
    • E01H1/005—Mobile installations, particularly for upkeeping in situ road or railway furniture, for instance road barricades, traffic signs; Mobile installations particularly for upkeeping tunnel walls
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01H—STREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; DISPERSING OR PREVENTING FOG IN GENERAL CLEANING STREET OR RAILWAY FURNITURE OR TUNNEL WALLS
    • E01H1/00—Removing undesirable matter from roads or like surfaces, with or without moistening of the surface
    • E01H1/08—Pneumatically dislodging or taking-up undesirable matter or small objects; Drying by heat only or by streams of gas; Cleaning by projecting abrasive particles
    • E01H1/0809—Loosening or dislodging by blowing ; Drying by means of gas streams
    • E01H1/0818—Loosening or dislodging by blowing ; Drying by means of gas streams in apparatus with mechanical loosening or feeding instruments, e.g. brushes, scrapers
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01H—STREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; DISPERSING OR PREVENTING FOG IN GENERAL CLEANING STREET OR RAILWAY FURNITURE OR TUNNEL WALLS
    • E01H1/00—Removing undesirable matter from roads or like surfaces, with or without moistening of the surface
    • E01H1/10—Hydraulically loosening or dislodging undesirable matter; Raking or scraping apparatus ; Removing liquids or semi-liquids e.g., absorbing water, sliding-off mud
    • E01H1/101—Hydraulic loosening or dislodging, combined or not with mechanical loosening or dislodging, e.g. road washing machines with brushes or wipers

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Cleaning In General (AREA)

Abstract

The application provides a dust flushing operation arm and dust flushing equipment, which relate to the technical field of roadway wall cleaning and comprise a base, a mechanical arm and a dust flushing mechanism, wherein the mechanical arm comprises a plurality of support arms which are sequentially and pivotally connected, and one support arm is slidably connected with the base and can extend or retract relative to the base; the dust flushing mechanism is pivotally arranged on the support arm most far away from the base, and comprises a liquid spray head, a brush and a gas spray head which are sequentially arranged along a first direction. According to the three-dimensional efficient cleaning device, three operation modes of blowing dust by the gas spray head, brushing dust by the hairbrush and cleaning by the liquid spray head are integrated on the same multi-degree-of-freedom operation arm, and various accumulated dust on the wall surface of the roadway can be effectively removed through cooperation of the multiple operation modes, so that three-dimensional efficient cleaning operation on the wall surface of the roadway is realized.

Description

Dust flushing operation arm and dust flushing equipment
Technical Field
The application relates to the technical field of roadway wall cleaning, in particular to a dust flushing operation arm and dust flushing equipment.
Background
In the occasion that dust pollution is serious, tunnel surface dust accumulation is serious, and long-term cleaning is not only influencing the beautiful appearance, but also dust accumulation can bring potential safety hazard. In the related art, roadway cleaning mainly drives a sprinkler by workers, and the roadway is flushed by a high-pressure water gun installed on the sprinkler or a water gun connected with a fixed high-pressure water source, so that the roadway cleaning device is single in operation mode and low in flushing efficiency.
Disclosure of Invention
The present invention aims to solve at least one of the technical problems in the related art to some extent.
Therefore, an embodiment of one aspect of the invention provides a dust flushing operation arm, which integrates three operation modes of gas nozzle dust blowing, brush dust brushing and liquid nozzle cleaning on the same multi-degree-of-freedom operation arm, and various accumulated dust on the wall surface of a roadway can be effectively removed by matching of multiple operation modes, so that three-dimensional efficient cleaning operation of the wall surface of the roadway is realized.
An embodiment of another aspect of the present invention provides a dust cleaning apparatus.
The dust flushing operation arm comprises a base, a mechanical arm and a dust flushing mechanism.
The mechanical arm comprises a plurality of support arms which are sequentially and pivotally connected, wherein one support arm is slidably connected with the base and can extend or retract relative to the base;
the dust flushing mechanism is pivotally mounted on the support arm most far away from the base, and comprises a liquid spray head, a brush and a gas spray head which are sequentially arranged along a first direction.
According to the dust flushing operation arm disclosed by the embodiment of the invention, through the cooperation of the support arms which are sequentially and pivotally connected, one support arm is in sliding connection with the base, and the structural design that the dust flushing mechanism is pivotally arranged on the support arm, the mechanical arm can move in multiple degrees of freedom in space, the position and the pose of the dust flushing mechanism relative to the wall surface of the roadway are adjusted, the brush in the dust flushing mechanism can be well contacted with the wall surface of the roadway, compared with the prior art, the operation mode is single, the flushing efficiency is low, the dust flushing operation arm in the application can sequentially realize the cleaning operation of the gas spray head, the brush dust and the liquid spray head on the wall surface of the roadway under the assistance of the mechanical arm with multiple degrees of freedom, and the cooperation of multiple operation modes can effectively remove various accumulated dust on the wall surface of the roadway, so that the three-dimensional efficient cleaning operation on the wall surface of the roadway is realized.
In some embodiments, the dust flushing operation arm further includes a plurality of first angle adjusting mechanisms, one first angle adjusting mechanism is correspondingly installed between any two adjacent support arms, and the first angle adjusting mechanism pushes and pulls the corresponding two adjacent support arms to swing relative to the pivot axes of the two support arms and can lock the two support arms when the two adjacent support arms pivot to any position.
In some embodiments, the first angle adjusting mechanism comprises a telescopic cylinder, a first connecting rod and a second connecting rod, the cylinder body of the telescopic cylinder is pivotally connected with the support arm, the piston rod of the telescopic cylinder is pivotally connected with the first connecting rod and the second connecting rod, one of any two adjacent support arms is pivotally connected with the part of the first connecting rod, which is away from the piston rod of the telescopic cylinder, and the other support arm is pivotally connected with the part of the second connecting rod, which is away from the piston rod of the telescopic cylinder;
the first connecting rod, the second connecting rod and two adjacent support arms form a closed diamond unit, the closed diamond unit is provided with a first pivot axis, a second pivot axis, a third pivot axis and a fourth pivot axis which are distributed in a diamond shape in sequence, the first connecting rod is pivotally connected with the corresponding support arm around the first pivot axis, the distance from the first pivot axis to the second pivot axis is equal to the distance from the third pivot axis to the second pivot axis, and the distance from the first pivot axis to the fourth pivot axis is equal to the distance from the third pivot axis to the fourth pivot axis.
In some embodiments, the distance from the first pivot axis to the second pivot axis is L1, and the sum of the distance from the third pivot axis to the fourth pivot axis and the distance from the first pivot axis to the fourth pivot axis is L, wherein 0.75 l.ltoreq.l1.ltoreq.l.
In some embodiments, the length of the first link is equal to the length of the second link.
In some embodiments, the arms include a body portion and a pivot portion that are connected, with the pivot portion of one of the arms being pivotally connected to the first link about the first pivot axis and the pivot portion of the other of the arms being pivotally connected to the second link about the third pivot axis, and the free end of the pivot portion of one of the arms being pivotally connected to the free end of the pivot portion of the other of the arms about the second pivot axis.
In some embodiments, the first pivot axis and the second pivot axis at the pivot portion in any adjacent two of the arms are aligned in a direction that is at an angle to the direction of extension of the main body portion and is θ 1 Another one ofThe arrangement direction of the second pivot axis and the third pivot axis at the pivot portion in the arm is angled with respect to the extending direction of the main body portion and is θ 2 Wherein θ 1 ＝θ 2 ，135°≤θ 1 ≤150°。
In some embodiments, the dust-cleaning work arm further comprises a second angle adjustment mechanism, wherein the second angle adjustment mechanism is installed on the support arm most far away from the base and is connected with the dust-cleaning mechanism, and the second angle adjustment mechanism is used for pulling the dust-cleaning mechanism to swing around the support arm on the support arm and can be locked when the dust-cleaning mechanism pivots to any position relative to the support arm.
In some embodiments, the dust flushing mechanism further comprises a protective cover and a rotary drive, wherein the protective cover is provided with a containing cavity and is provided with an opening end communicated with the containing cavity, the hairbrush is positioned in the containing cavity and at least partially extends out of the opening end, and the rotary drive is arranged on the protective cover and is in transmission connection with the hairbrush;
the opening end is provided with a first wall surface and a second wall surface which are opposite along the first direction, a plurality of gas spray heads are arranged on the first wall surface at intervals along the extending direction of the first wall surface, a plurality of liquid spray heads are arranged on the second wall surface at intervals along the extending direction of the second wall surface, and the part of the brush protruding out of the opening end can rotate along the direction from the first wall surface to the second wall surface.
According to the embodiment of the invention, the dust flushing device comprises a carrier and a dust flushing operation arm.
The dust flushing operation arm is the dust flushing operation arm, and the dust flushing operation arm is arranged on the carrier.
The technical advantages of the dust flushing device according to the embodiment of the present invention are the same as those of the dust flushing arm, and are not described herein.
In some embodiments, the dust-cleaning working arm further includes a first angle adjusting mechanism, the base is mounted on the carrier, a plurality of support arms are equal in length, one first angle adjusting mechanism is correspondingly mounted between any two adjacent support arms, the first angle adjusting mechanism includes a telescopic cylinder, the telescopic cylinder is communicated with a hydraulic system of the carrier, and after the support arms slidably connected with the base retract relative to the base on a projection plane perpendicular to the height direction of the carrier, the edge of the projection of the end part of the support arm, which is away from the base, is flush with the edge of the projection of the carrier.
Additional aspects and advantages of the application will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the application.
Drawings
Fig. 1 is a schematic structural view of a dust-cleaning arm according to an embodiment of the present invention.
Fig. 2 is a schematic view of a connection structure among a base, a mechanical arm and a second angle adjusting mechanism in a dust-cleaning arm according to an embodiment of the present invention.
Fig. 3 is a schematic view of a partially enlarged structure of a mechanical arm portion in a dust-cleaning arm according to an embodiment of the present invention.
Fig. 4 is a schematic structural view of a dust flushing mechanism part in a dust flushing arm according to an embodiment of the invention.
Fig. 5 is a schematic structural view of a first dust-cleaning arm according to an embodiment of the present invention.
Fig. 6 is a schematic structural diagram of a second dust-cleaning arm according to an embodiment of the present invention.
Fig. 7 is a schematic structural view of a dust-cleaning arm posture three according to an embodiment of the present invention.
Fig. 8 is a schematic structural view of a fourth dust-cleaning arm posture according to an embodiment of the present invention.
Reference numerals: 1. base, 2, mechanical arm, 21, support arm, 211, main part, 212, pivot, 3, dust mechanism, 31, liquid shower head, 32, brush, 33, gas shower head, 34, protection casing, 341, first wall, 342, second wall, 35, rotary drive, 4, first angle adjustment mechanism, 41, telescopic cylinder, 42, first connecting rod, 43, second connecting rod, 44, first pivot axis, 45, second pivot axis, 46, third pivot axis, 47, fourth pivot axis, 5, second angle adjustment mechanism.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below by referring to the drawings are illustrative and intended to explain the present invention and should not be construed as limiting the invention.
As shown in fig. 1 to 4, a dust-cleaning arm according to an embodiment of the present invention includes a base 1, a mechanical arm 2, and a dust-cleaning mechanism 3.
The mechanical arm 2 includes a plurality of arms 21 that are sequentially pivotally connected, wherein one arm 21 is slidably connected to the base 1 and can extend or retract relative to the base 1.
Wherein the dust flushing mechanism 3 is pivotally mounted on the arm 21 most remote from the base 1, the dust flushing mechanism 3 comprising a liquid spray head 31, a brush 32 and a gas spray head 33 arranged in this order in a first direction.
According to the dust flushing operation arm disclosed by the embodiment of the invention, through the plurality of support arms 21 which are sequentially and pivotally connected, the cooperation of one support arm 21 and the base 1 in a sliding manner and the structural design that the dust flushing mechanism 3 is pivotally arranged on the support arm 21, the mechanical arm 2 can move in multiple degrees of freedom in space, the position and the pose of the dust flushing mechanism 3 relative to the wall surface of a roadway are adjusted, the brush 32 in the dust flushing mechanism 3 can be well contacted with the wall surface of the roadway, compared with the prior art for flushing the roadway only, the operation mode is single, the flushing efficiency is low, the dust flushing operation arm disclosed by the invention can successively realize the cleaning operation of the gas spray head 33, the brush 32 and the liquid spray head 31 on the wall surface of the roadway under the assistance of the mechanical arm 2 with multiple degrees of freedom, and the cooperation of multiple operation modes can effectively clean various dust accumulation on the wall surface of the roadway, so that the three-dimensional efficient cleaning operation on the wall surface of the roadway is realized.
Specifically, the base 1 may not be limited to be slidably connected to the support arm 21 through a telescopic cylinder, where the telescopic cylinder may be a hydraulic cylinder, an oil cylinder, an air cylinder or an electric cylinder, the cylinder body of the telescopic cylinder is connected to the base 1, and the piston rod of the telescopic cylinder is connected to the support arm 21, so as to further reduce the overall volume of the mechanical arm 2, simplify the structure thereof, and integrate the telescopic cylinder in the inner cavity of the base 1, and enable the telescopic cylinder, the base 1 and the support arm 21 to be coaxially sleeved in sequence from inside to outside.
In addition, the liquid ejection head 31 may communicate with an external water tank (or water source) through a pipe. The gas shower 33 may be in communication with an external gas source via a conduit. When the dust is flushed, the operation sequence of the dust flushing mechanism 3 is that the gas nozzle 33 flushes dust, the brush 32 brushes the dust and the liquid nozzle 31 is cleaned, and part of the dust can be blown away in advance when the gas nozzle 33 operates before, so that the water consumption for cleaning the liquid nozzle 31 is saved to a certain extent.
Preferably, two support arms 21 at two ends of the plurality of support arms 21 are sequentially pivotally connected, wherein one support arm 21 is slidably connected to the base 1, and the other support arm 21 is pivotally provided with the dust-cleaning mechanism 3.
It can be understood that the distance between the dust flushing mechanism 3 and the base 1 can be adjusted by extending or retracting the support arm 21 slidably connected with the base 1 relative to the base 1, the included angle between the support arms 21 is changed, the position of the dust flushing mechanism 3 relative to the base 1 can be realized, and the position of the dust flushing mechanism 3 relative to the roadway wall can be changed by pivoting the dust flushing mechanism 3 on the support arm 21.
It should be noted that the dust cleaning arm in the present application may not be limited to be applied to the cleaning operation of dust on the wall surface of a roadway, the wall surface of a pipeline or other surfaces of a main body to be cleaned.
As shown in fig. 2, in some embodiments, the dust-cleaning working arm further includes a first angle adjusting mechanism 4, where a plurality of first angle adjusting mechanisms 4 are provided, and one first angle adjusting mechanism 4 is correspondingly installed between any two adjacent support arms 21, and the first angle adjusting mechanism 4 pushes and pulls the corresponding two adjacent support arms 21 to swing relative to the pivot axes of the two adjacent support arms 21 and can lock the two adjacent support arms 21 when the two adjacent support arms 21 pivot to any positions.
The first angle adjusting mechanism 4 changes the included angle between two adjacent support arms 21 so as to adjust the integral height of the dust flushing operation arm and the extending distance of the dust flushing operation arm relative to the base 1 according to the change of the included angle between the support arms 21 and match the position between the dust flushing mechanism 3 and the roadway wall surface.
As shown in fig. 2 and 3, in some embodiments, the first angle adjusting mechanism 4 includes a telescopic cylinder 41, a first link 42, and a second link 43, the cylinder body of the telescopic cylinder 41 is pivotally connected to the arm 21, the piston rod of the telescopic cylinder 41 is pivotally connected to both the first link 42 and the second link 43, and one of any two adjacent arms 21 is pivotally connected to a portion of the first link 42 facing away from the piston rod of the telescopic cylinder 41, and the other arm 21 is pivotally connected to a portion of the second link 43 facing away from the piston rod of the telescopic cylinder 41.
The telescopic cylinder 41 is adopted to realize the relative rotation between the two adjacent support arms 21, compared with a motor which is used as power, the structure is simpler and more durable, meanwhile, the first connecting rod 42 and the second connecting rod 43 which are matched with the telescopic cylinder 41 can also generate supporting force for the two adjacent support arms 21, and the supporting rigidity of the mechanical arm 2 is improved to a certain extent.
Specifically, the telescopic cylinder 41 may not be limited to one of a hydraulic cylinder, an oil cylinder, an air cylinder, or an electric cylinder. The cylinder body of the telescopic cylinder 41 is pivotably mounted on the arm 21 by means of a hinge seat. The first connecting rod 42 and the piston rod of the telescopic cylinder 41 and the support arm 21, and the second connecting rod 43 and the piston rod of the telescopic cylinder 41 and the support arm 21 can be hinged through pin shafts. The materials of the first connecting rod 42 and the second connecting rod 43 can be the same as the material of the support arm 21, and a rigid material with pressure-bearing performance is selected.
The first link 42, the second link 43 and the adjacent two support arms 21 form a closed diamond-shaped unit, the closed diamond-shaped unit is provided with a first pivot axis 44, a second pivot axis 45, a third pivot axis 46 and a fourth pivot axis 47 which are distributed in a diamond shape in sequence, the first link 42 is pivotably connected with the corresponding support arm 21 around the first pivot axis 44, the distance from the first pivot axis 44 to the second pivot axis 45 is equal to the distance from the third pivot axis 46 to the second pivot axis 45, and the distance from the first pivot axis 44 to the fourth pivot axis 47 is equal to the distance from the third pivot axis 46 to the fourth pivot axis 47.
The four-bar linkage connection formed by the first connecting bar 42, the second connecting bar 43 and the two adjacent support arms 21 matched between the support arms 21 increases the angle change range (the maximum angle can exceed 180 degrees) between the support arms 21, and the dust flushing mechanism 3 can realize cleaning operation in four directions of two sides, the top and the bottom relative to the base 1.
Specifically, in order to ensure the accuracy of adjusting the included angle of each support arm 21 in the mechanical arm 2, an inclination sensor may be further installed on each support arm 21, and the inclination sensor monitors the included angle between two adjacent support arms 21. The first link 42 and the second link 43 may be pivotally connected to a pin common at the respective pivot axes of the closed diamond units.
As shown in fig. 2 and 3, in some embodiments, the distance from the first pivot axis 44 to the second pivot axis 45 is L1, and the sum of the distance from the third pivot axis 46 to the fourth pivot axis 47 and the distance from the first pivot axis 44 to the fourth pivot axis 47 is L, where 0.75 l+.l1+.l, can ensure that pose adjustment of the mechanical arm 2 in four directions of two sides, top and bottom of the base 1 can be successfully achieved.
As shown in fig. 2, in some embodiments, the length of the first link 42 is equal to the length of the second link 43, improving versatility of the first link 42 and the second link 43, and simplifying processing of both.
Preferably, both ends of the first connecting rod 42 can be respectively and pivotally connected with the piston rod of the telescopic cylinder 41 and the support arm 21, and both ends of the second connecting rod 43 can be respectively and pivotally connected with the piston rod of the telescopic cylinder 41 and the support arm 21, so that the assembly positioning difficulty of the first connecting rod 42 and the second connecting rod 43 between the telescopic cylinder 41 and the support arm 21 is reduced.
As shown in fig. 2 and 3, in some embodiments, the arms 21 include a body portion 211 and a pivot portion 212 that are connected, with the pivot portion 212 in one of the arms 21 being pivotally connected to the first link 42 about the first pivot axis 44 and the pivot portion 212 in the other arm 21 being pivotally connected to the second link 43 about the third pivot axis 46, and the free end of the pivot portion 212 in one of the arms 21 being pivotally connected to the free end of the pivot portion 212 in the other arm 21 about the second pivot axis 45.
Specifically, the arm 21 slidably connected to the base 1, and the arm 21 connected to the dust mechanism 3 each include a main body portion 211 and a pivot portion 212, wherein the main body portion 211 is slidably connected to the base 1 or pivotally connected to the dust mechanism 3, and the free end of the pivot portion 212 is pivotally connected to the free end of the pivot portion 212 in the adjacent arm 21 about the second pivot axis 45. The rest of the arms 21 each include a main body 211 and two pivoting portions 212, the two pivoting portions 212 being provided at both ends of the main body 211 in the extending direction.
In addition, the main body 211 and the pivot 212 can be fixedly connected in a welding manner, and the main body 211 and the pivot 212 are matched to form the support arm 21, so that the production difficulty of the support arm 21 is reduced, the replaceability of the main body 211 and the pivot 212 is high, the universality is improved, meanwhile, when one of the main body 211 or the pivot 212 is damaged, the main body 211 or the pivot 212 is only required to be replaced correspondingly, the cost is effectively saved, and the service life of each part is ensured.
As shown in fig. 2 and 3, in some embodiments, in any two adjacent arms 21, the first pivot axis 44 and the second pivot axis 45 at the pivot portion 212 in one of the arms 21 are aligned at an angle θ to the extension direction of the main body portion 211 1 The arrangement direction of the second pivot axis 45 and the third pivot axis 46 at the pivot portion 212 in the other arm 21 is angled with respect to the extending direction of the main body portion 211 and is θ 2 Wherein θ 1 ＝θ 2 ，135°≤θ 1 The angle between two adjacent support arms 21 can be smoothly adjusted by adopting the structural design, and the pose of the mechanical arm 2 is changed.
As shown in fig. 1 and 2, in some embodiments, the dust-cleaning working arm further includes a second angle adjusting mechanism 5, where the second angle adjusting mechanism 5 is installed on the support arm 21 most away from the base 1 and connected to the dust-cleaning mechanism 3, and the second angle adjusting mechanism 5 is used to pull the dust-cleaning mechanism 3 to swing around the support arm 21 on the support arm 21 and lock the dust-cleaning mechanism 3 when the dust-cleaning mechanism 3 pivots to an arbitrary position relative to the support arm 21, and by means of the second angle adjusting mechanism 5, the pitch angle of the dust-cleaning mechanism 3 relative to the support arm 21 can be changed, so that the contact area of the brush 32 in the dust-cleaning mechanism 3 with the roadway wall surface is always the largest, and the cleaning effect is ensured.
Specifically, the second angle adjusting mechanism 5 may not be limited to a rotary motor, and a body of the rotary motor is mounted on the support arm 21, and an output end of the rotary motor is connected to the dust flushing mechanism 3 and may be used to drive the dust flushing mechanism 3 to swing around the support arm 21.
As shown in fig. 4, in some embodiments, the dust-cleaning mechanism 3 further includes a protection cover 34 and a rotary drive 35, the protection cover 34 is provided with a containing cavity and has an open end communicated with the containing cavity, the brush 32 is located in the containing cavity and at least partially extends out of the open end, and the rotary drive 35 is mounted on the protection cover 34 and is in transmission connection with the brush 32.
The open end has a first wall 341 and a second wall 342 opposite to each other in the first direction, the first wall 341 is provided with a plurality of gas nozzles 33 at intervals along the extending direction, the second wall 342 is provided with a plurality of liquid nozzles 31 at intervals along the extending direction, the portion of the brush 32 protruding from the open end is rotatable in the direction from the first wall 341 toward the second wall 342, and the dust brushing direction of the brush 32 is designed to be the direction from the first wall 341 toward the second wall 342 (i.e., the direction from the side of the gas nozzle 33 toward the side of the liquid nozzle 31), so that the dust can be reduced.
Specifically, the shield 34 also has a mounting end and is coupled to the rotary motor via the mounting end. The rotation drive 35 may not be limited to a rotary motor. The brush 32 may include a shaft and bristles, the shaft extending in a second direction and having both ends rotatably coupled to the open end, the second direction being perpendicular to the first direction, one of the ends of the shaft being coupled to an output end of a motor shaft of the rotary motor through a coupling, the rotary motor driving the shaft to rotate such that the bristles brush dust, the bristles being mounted on the shaft in a radial direction of the shaft and extending at least partially out of the open end.
The first direction is the width direction of the protective cover 34, and the second direction is the height direction of the protective cover 34.
As shown in fig. 1 to 8, a dust cleaning apparatus according to an embodiment of the present invention includes a carrier and a dust cleaning arm.
The dust flushing operation arm is the dust flushing operation arm and is arranged on the carrier.
The technical advantages of the dust flushing device according to the embodiment of the present invention are the same as those of the dust flushing arm, and are not described herein.
As shown in fig. 1 and fig. 2, in some embodiments, the dust-cleaning operation arm further includes a first angle adjusting mechanism 4, the base 1 is mounted on the carrier, the lengths of the plurality of support arms 21 are equal, a first angle adjusting mechanism 4 is correspondingly mounted between any two adjacent support arms 21, the first angle adjusting mechanism 4 includes a telescopic cylinder 41, the telescopic cylinder 41 is communicated with a hydraulic system of the carrier, on a projection plane perpendicular to the height direction of the carrier, after the support arm 21 slidingly connected with the base 1 is retracted relative to the base 1, the projected edge of the end portion of the support arm 21 facing away from the base 1 is flush with the projected edge of the carrier, so that the normal running of the carrier in a roadway is not affected while the maximum operation range of the dust-cleaning operation arm can be ensured.
The support arm 21 and the base 1 adopt a sliding connection structure, so that the horizontal movement distance of the whole mechanical arm 2 relative to the base 1 can be ensured, the occupied width of the part in the walking direction of the dust flushing device (namely the walking direction of the carrier) can be minimized, and the occupied width of the whole dust flushing operation arm in the walking direction of the dust flushing mechanism 3 can be minimized.
As shown in fig. 1 to 4, the working method of the dust-cleaning arm will now be described with reference to a specific structure of the dust-cleaning arm, specifically:
1) The extension or retraction distance of the support arm 21 connected with the base 1 relative to the base 1 is adjusted, and the whole height of the mechanical arm 2 and the extension distance relative to the carrier are changed through the cooperation of the telescopic cylinder 41, the first connecting rod 42 and the second connecting rod 43;
2) The dust flushing mechanism 3 is driven by a rotary motor to swing around the support arm 21, and the pitch angle of the dust flushing mechanism 3 relative to the support arm 21 is adjusted until the contact area of the hairbrush 32 and the roadway wall surface is maximum;
3) The carrier moves along with the dust flushing operation arm, and the dust flushing mechanism 3 performs dust blowing operation of the gas spray head 33, dust brushing operation of the brush 32 and cleaning operation of the liquid spray head 31 on the wall surface of the roadway in advance, wherein the rotary motor drives the brush 32 to brush dust in a rotary mode, and the part, protruding out of the opening end, of the brush 32 rotates in the direction from the first wall surface 341 towards the second wall surface 342 (namely, the direction from the side of the gas spray head 33 to the side of the liquid spray head 31).
It can be understood that four limit postures exist in the dust-cleaning working arm in the application, and the four limit postures are as follows:
as shown in fig. 5, in the first posture, all the support arms 21 are coaxial, and the dust flushing mechanism 3 is perpendicular to the support arms 21;
as shown in fig. 6, the second posture is perpendicular to the arm 21 connected with the dust flushing mechanism 3 and the adjacent arm 21, the rest arms 21 are coaxial, and the dust flushing mechanism 3 is perpendicular to the connected arms 21;
as shown in fig. 7, the third gesture is that the support arm 21 connected with the base 1 is vertical to the rest support arms 21, the rest support arms 21 are coaxial, and the dust flushing mechanism 3 is vertical to the connected support arms 21;
as shown in fig. 8, the support arm 21 connected with the base 1 and the rest support arms 21 are parallel, the rest support arms 21 are coaxial, and the dust flushing mechanism 3 is perpendicular to the connected support arms 21.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present invention, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present invention, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
For purposes of this disclosure, the terms "one embodiment," "some embodiments," "example," "a particular example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
While embodiments of the present invention have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the invention, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the invention.

Claims (10)

1. A dust-cleaning arm, comprising:
the mechanical arm comprises a plurality of support arms which are sequentially and pivotally connected, wherein one support arm is slidably connected with the base and can extend or retract relative to the base; and
the dust flushing mechanism is pivotally arranged on the support arm most far away from the base and comprises a liquid spray head, a hairbrush and a gas spray head which are sequentially arranged along a first direction.
2. The dust cleaning arm of claim 1, further comprising a plurality of first angle adjusting mechanisms, wherein one first angle adjusting mechanism is correspondingly arranged between any two adjacent support arms, and the first angle adjusting mechanism pushes and pulls the corresponding two adjacent support arms to swing relative to the pivot axes of the two support arms and can lock the two support arms when the two adjacent support arms pivot to any position.
3. The dust cleaning arm according to claim 2, wherein the first angle adjusting mechanism comprises a telescopic cylinder, a first connecting rod and a second connecting rod, a cylinder body of the telescopic cylinder is pivotally connected with the support arm, a piston rod of the telescopic cylinder is pivotally connected with the first connecting rod and the second connecting rod, one of any two adjacent support arms is pivotally connected with a part of the first connecting rod away from the piston rod of the telescopic cylinder, and the other support arm is pivotally connected with a part of the second connecting rod away from the piston rod of the telescopic cylinder;
the first connecting rod, the second connecting rod and two adjacent support arms form a closed diamond unit, the closed diamond unit is provided with a first pivot axis, a second pivot axis, a third pivot axis and a fourth pivot axis which are distributed in a diamond shape in sequence, the first connecting rod is pivotally connected with the corresponding support arm around the first pivot axis, the distance from the first pivot axis to the second pivot axis is equal to the distance from the third pivot axis to the second pivot axis, and the distance from the first pivot axis to the fourth pivot axis is equal to the distance from the third pivot axis to the fourth pivot axis.
4. The dust boom of claim 3, wherein the distance from the first pivot axis to the second pivot axis is L1, and the sum of the distance from the third pivot axis to the fourth pivot axis and the distance from the first pivot axis to the fourth pivot axis is L, wherein 0.75L +.l1 +.l.
5. The dust boom of claim 3, wherein the length of the first link is equal to the length of the second link.
6. A dust cleaning apparatus according to claim 3, wherein the support arms include a main body portion and a pivot portion connected, wherein the pivot portion of one of the support arms is pivotally connected to the first link about the first pivot axis, and the pivot portion of the other support arm is pivotally connected to the second link about the third pivot axis, and wherein the free end of the pivot portion of one of the support arms is pivotally connected to the free end of the pivot portion of the other support arm about the second pivot axis.
7. The dust cleaning arm of claim 6, wherein the first pivot axis and the second pivot axis at the pivot portion of one of the two adjacent arms are aligned in a direction that is at an angle to the extending direction of the main body portion and is θ 1 The arrangement direction of the second pivot axis and the third pivot axis at the pivot portion in the other arm is at an angle to the extending direction of the main body portion and is θ 2 Wherein θ 1 ＝θ 2 ，135°≤θ 1 ≤150°。
8. The dust handling arm of claim 1 further including a second angle adjustment mechanism mounted on the arm furthest from the base and connected to the dust handling mechanism, the second angle adjustment mechanism for pulling the dust handling mechanism on the arm to swing about the arm and to lock when the dust handling mechanism is pivoted to any position relative to the arm.
9. The dust extraction arm of any one of claims 1 to 8, wherein the dust extraction mechanism further comprises a shield having a receiving cavity and having an open end in communication with the receiving cavity, the brush being located in the receiving cavity and extending at least partially out of the open end, and a rotary drive mounted on the shield and drivingly connected to the brush;
the opening end is provided with a first wall surface and a second wall surface which are opposite along the first direction, a plurality of gas spray heads are arranged on the first wall surface at intervals along the extending direction of the first wall surface, a plurality of liquid spray heads are arranged on the second wall surface at intervals along the extending direction of the second wall surface, and the part of the brush protruding out of the opening end can rotate along the direction from the first wall surface to the second wall surface.
10. A dust flushing apparatus, comprising:
a carrier; and
a dust-flushing arm, which is a dust-flushing arm according to any one of claims 1 to 9, the dust-flushing arm being mounted on the carrier.
CN202311865689.XA 2023-12-29 2023-12-29 Dust flushing operation arm and dust flushing equipment Pending CN117569242A (en)

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CN202311865689.XA CN117569242A (en) 2023-12-29 2023-12-29 Dust flushing operation arm and dust flushing equipment

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Application Number Priority Date Filing Date Title
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Publication Number Publication Date
CN117569242A true CN117569242A (en) 2024-02-20

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