CN110952486A - Cleaning arm assembly capable of cleaning inner and outer wall surfaces and sanitation vehicle thereof - Google Patents
Cleaning arm assembly capable of cleaning inner and outer wall surfaces and sanitation vehicle thereof Download PDFInfo
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- CN110952486A CN110952486A CN201911292563.1A CN201911292563A CN110952486A CN 110952486 A CN110952486 A CN 110952486A CN 201911292563 A CN201911292563 A CN 201911292563A CN 110952486 A CN110952486 A CN 110952486A
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- 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
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Abstract
The invention discloses a cleaning arm assembly capable of cleaning inner and outer wall surfaces and a sanitation vehicle thereof, wherein the sanitation vehicle comprises the cleaning arm assembly capable of cleaning the inner and outer wall surfaces, and the cleaning arm assembly capable of cleaning the inner and outer wall surfaces comprises a fixed seat, a lifting mechanism, a lifting detection component, a first telescopic arm, a first telescopic detection component, a second telescopic arm, a second telescopic detection component, a first rotation mechanism, a first rotation detection component, a second rotation mechanism, a second rotation detection component, a cleaning brush assembly and a cleaning detection component; the lifting mechanism is arranged on the fixed seat, and the lifting detection assembly is used for detecting whether the lifting mechanism is lifted in place; the first telescopic arm is arranged at the lifting mechanism, and the output end of the first telescopic arm is connected to the second telescopic arm; the first rotating mechanism is arranged at the output end of the second telescopic arm and is in transmission connection with the second rotating mechanism; the second swing mechanism is in transmission connection with the cleaning brush assembly. The invention has the advantage that the interior and exterior of the wall surface can be cleaned.
Description
Technical Field
The invention relates to the field of sanitation vehicles, in particular to a cleaning arm assembly capable of cleaning inner and outer wall surfaces and a sanitation vehicle thereof.
Background
With the continuous promotion of the construction of domestic foundation roads, expressways and the like, the construction of road sound-insulating walls is more and more, the workload of cleaning the sound-insulating walls is increased day by day, and the cleaning modes of the sound-insulating walls at present are mainly divided into manual cleaning and special equipment cleaning; the tunnel is washed to the manual work inefficiency, and the cost of labor of spending is higher, has certain potential safety hazard simultaneously, and special equipment washs the sound-proof wall and accounts for mainstream mode.
The mechanism of current special equipment washing sound-proof wall and control mode are various, but general equipment can only wash the sound-proof wall inner face, and is unformed to the outside beam hand of sound-proof wall, and the control mode of wasing the arm simultaneously generally is manual, has increased driver's working strength, and the security is lower simultaneously, easily takes place the traffic accident.
Disclosure of Invention
Therefore, a cleaning arm assembly capable of cleaning the inner wall surface and the outer wall surface and a sanitation vehicle thereof need to be provided so as to solve the problem that the outer surface of the wall cannot be cleaned in the prior art.
In order to achieve the above object, the inventor provides a cleaning arm assembly capable of cleaning inner and outer wall surfaces, comprising a fixed seat, a lifting mechanism, a lifting detection component, a first telescopic arm, a first telescopic detection component, a second telescopic arm, a second telescopic detection component, a first rotation mechanism, a first rotation detection component, a second rotation mechanism, a second rotation detection component, a cleaning brush assembly and a cleaning detection component;
the lifting mechanism is arranged on the fixed seat, and the lifting detection assembly is arranged at the lifting mechanism and used for detecting whether the lifting mechanism is lifted in place or not;
the first telescopic arm is arranged at the lifting mechanism, and the output end of the first telescopic arm is connected to the second telescopic arm; the first telescopic detection assembly is arranged at the first telescopic arm and used for detecting whether the first telescopic arm is telescopic in place or not; the second telescopic detection assembly is arranged at the second telescopic arm and used for detecting whether the second telescopic arm is telescopic in place or not;
the first rotating mechanism is arranged at the output end of the second telescopic arm and is in transmission connection with the second rotating mechanism for adjusting the orientation of the cleaning brush assembly; the first rotation detection assembly is arranged at the first rotation assembly and used for detecting whether the first rotation mechanism rotates to the position or not;
the second swing mechanism is in transmission connection with the cleaning brush assembly and is used for adjusting the swinging direction of the cleaning surface of the cleaning brush assembly; the second rotation detection assembly is arranged at the second rotation mechanism and used for detecting whether the second rotation mechanism rotates to the position or not; the cleaning detection component is arranged at the cleaning brush assembly and used for detecting whether the distance between the cleaning brush assembly and the wall surface is in place or not.
As a preferred structure of the present invention, the present invention further comprises a third rotation mechanism and a third rotation detection assembly; the third swing mechanism is arranged at the fixed seat, is in transmission connection with the lifting mechanism and is used for driving the lifting mechanism to rotate; the third rotation detection assembly is arranged at the third rotation mechanism.
As a preferred structure of the present invention, the third rotation detecting assembly includes a first inductive switch and a second inductive switch; the first inductive switch and the second inductive switch are both arranged at the third slewing mechanism.
As a preferred structure of the present invention, the lifting mechanism includes a main arm, an arm support, a first oil cylinder, and a second oil cylinder; the main arm is fixedly arranged on the fixed seat, one end of the arm support is hinged with the main arm, and the other end of the arm support is hinged with the first telescopic arm; the first oil cylinder is hinged to the main arm, and the output end of the first oil cylinder is hinged to the arm support; the second oil cylinder is hinged to the arm support, and the output end of the second oil cylinder is hinged to the first telescopic arm.
As a preferred structure of the present invention, the lifting detection assembly includes a third inductive switch, a fourth inductive switch and a fifth inductive switch; the third inductive switch is arranged on the side wall of the main arm; the fourth inductive switch and the fifth inductive switch are arranged on the side wall of the arm support.
As a preferred structure of the invention, the first telescopic boom and the second telescopic boom both comprise an inner boom, an outer boom and a telescopic cylinder; the inner arm is slidably penetrated in the outer arm from one end of the outer arm, the telescopic oil cylinder is arranged in the outer arm, and the output end of the telescopic oil cylinder is connected with the inner arm; the outer arm of the first telescopic arm is connected to the lifting mechanism, the inner arm of the first telescopic arm is connected to the outer arm of the second telescopic arm, and the inner arm of the second telescopic arm is connected to the first rotating mechanism.
The overturning mechanism comprises an overturning oil cylinder, a first connecting rod, a second connecting rod and an overturning detection assembly; the inner arm of the first telescopic arm is hinged with the outer arm of the second telescopic arm; the output end of the overturning oil cylinder is hinged to the outer arm of the second telescopic arm; one end of the first connecting rod and one end of the second connecting rod are respectively hinged to the outer arm of the second telescopic arm and the inner arm of the first telescopic arm, and the other end of the first connecting rod is hinged to the other end of the second connecting rod and hinged to the overturning oil cylinder; the overturning detection assembly is arranged at the first telescopic arm and used for detecting whether the second telescopic arm overturns in place relative to the first telescopic arm.
As a preferred structure of the present invention, the first telescopic detection assembly includes a sixth inductive switch, a seventh inductive switch, and an eighth inductive switch, and the sixth inductive switch, the seventh inductive switch, and the eighth inductive switch are sequentially disposed at the outer arm of the first telescopic arm along the shortening direction; the second telescopic detection assembly comprises a ninth inductive switch, a tenth inductive switch and an eleventh inductive switch, and the ninth inductive switch, the tenth inductive switch and the eleventh inductive switch are sequentially arranged at the outer arm of the second telescopic arm along the shortening direction.
As a preferred structure of the present invention, the first and second rotating mechanisms each include a stator, a rotor, and a motor; the stator of the first rotating mechanism is arranged at the output end of the second telescopic arm, the motor of the first rotating mechanism is arranged at the stator of the first rotating mechanism, and the output end of the motor of the first rotating mechanism is connected with the rotor of the first rotating mechanism; the stator of the second slewing mechanism is connected to the rotor of the first slewing mechanism, the motor of the second slewing mechanism is arranged at the stator of the second slewing mechanism, the output end of the motor of the second slewing mechanism is connected with the rotor of the second slewing mechanism, and the rotor of the second slewing mechanism is connected with the cleaning brush assembly; the output shafts of the motor of the first rotating mechanism and the motor of the second rotating mechanism are horizontally and vertically arranged.
Different from the prior art, the cleaning arm assembly capable of cleaning the inner and outer wall surfaces in the technical scheme comprises a fixing seat, a lifting mechanism, a lifting detection component, a first telescopic arm, a first telescopic detection component, a second telescopic arm, a second telescopic detection component, a first rotation mechanism, a first rotation detection component, a second rotation mechanism, a second rotation detection component, a cleaning brush assembly and a cleaning detection component. The first telescopic arm, the second telescopic arm, the first rotary mechanism, the second rotary mechanism and the cleaning brush assembly can be lifted up through the matching of the lifting mechanism and the lifting detection assembly; the cleaning brush assembly can be moved to the inner surface of the wall or the outer surface of the wall and the distance between the cleaning brush assembly and the wall surface through the first telescopic arm and the first telescopic detection component; the working height of the cleaning brush assembly can be adjusted through the second telescopic arm and the second telescopic detection component, and the working direction and the running direction of the cleaning brush assembly can be adjusted through the first rotary mechanism, the first rotary detection component, the second rotary mechanism and the second rotary detection component. Thus, the cleaning operation of the inner surface of the wall and the cleaning operation of the outer surface of the wall can be completed under the mutual matching.
The invention also provides a sanitation vehicle, which comprises a vehicle body and a cleaning arm assembly capable of cleaning the inner and outer wall surfaces, wherein the cleaning arm assembly capable of cleaning the inner and outer wall surfaces is any one of the cleaning arm assemblies capable of cleaning the inner and outer wall surfaces; the vehicle body comprises a cab and a vehicle frame, and the cleaning arm assembly capable of cleaning the inner wall and the outer wall is connected to the vehicle frame of the vehicle body through a fixed seat.
Different from the prior art, the sanitation vehicle in the technical scheme comprises a vehicle body and a cleaning arm assembly capable of cleaning the inner and outer wall surfaces, wherein the cleaning arm assembly capable of cleaning the inner and outer wall surfaces is any one of the cleaning arm assemblies capable of cleaning the inner and outer wall surfaces; the vehicle body comprises a cab and a vehicle frame, and the cleaning arm assembly capable of cleaning the inner wall and the outer wall is connected to the vehicle frame of the vehicle body through a fixed seat. Under the matching of the cleaning arm assembly capable of cleaning the inner and outer wall surfaces and the vehicle body, the cleaning of the inner and outer surfaces of the whole wall can be completed in the driving process.
Drawings
FIG. 1 is a first side view of a first retractable cleaning arm assembly for cleaning interior and exterior walls in accordance with one embodiment of the present invention;
FIG. 2 is a second side view of the cleaning arm assembly for cleaning interior and exterior walls according to one embodiment of the present invention;
FIG. 3 is a cross-sectional view A-A of FIG. 2 according to an embodiment of the present invention;
FIG. 4 is a first view of a first embodiment of a cleaning arm assembly for cleaning interior and exterior walls;
FIG. 5 is a second expanded view of the cleaning arm assembly for cleaning the interior and exterior walls according to one embodiment of the present invention;
FIG. 6 is a view showing the state of the outside of the cleaning wall of the sanitation vehicle according to the embodiment of the present invention;
FIG. 7 is a view showing a state of cleaning the inner surface of the wall of the sanitation vehicle according to an embodiment of the present invention;
FIG. 8 is a partial view of a first sweeper brush assembly in accordance with one embodiment of the present invention;
FIG. 9 is a second partial view of a sweeper brush assembly in accordance with an embodiment of the present invention;
fig. 10 is a structural view of a sanitation vehicle according to an embodiment of the present invention.
Description of reference numerals:
1. cleaning the arm assembly;
101. a fixed seat; 102. a third swing mechanism; 103. a main arm; 104. a boom; 105. a first cylinder; 106. a second cylinder; 107. an outer arm of the first telescopic arm; 108. an inner arm of the first telescopic arm; 109. a telescopic cylinder of the first telescopic arm; 110. an outer arm of the second telescopic arm; 111. an inner arm of the second telescopic arm; 112. a telescopic oil cylinder of the second telescopic arm; 113. turning over the oil cylinder; 114. a first link; 115. a second link; 116. a first swing mechanism; 117. a brush holder arm; 118. a second swing mechanism; 119. brushing; 120. a brush sweeping frame; 121. a brush shaft; 122. a first bearing housing; 123. a second bearing housing; 124. a first motor; 125. a nozzle; 126. a water retaining cover; 127. a water shield bracket; 128. a second motor; 129. a chain; 130. a sprocket; 131. a first inductive switch; 132. a second inductive switch; 133. a third inductive switch; 134. a fourth inductive switch; 135. a fifth inductive switch; 136. a sixth inductive switch; 137. a seventh inductive switch; 138. an eighth inductive switch; 139. a ninth inductive switch; 140. a tenth inductive switch; 141. an eleventh inductive switch; 142. a twelfth inductive switch; 143. a thirteenth inductive switch; 144. a fourteenth inductive switch; 145. a fifteenth inductive switch; 146. a sixteenth inductive switch; 147. a seventeenth inductive switch; 148. an eighteenth inductive switch; 149. a nineteenth inductive switch; 150. an ultrasonic ranging inductive switch; 151. a pedestal bearing;
2. a cab;
3. a frame;
4. a supporting seat;
5. the inner surface of the wall;
6. and (5) outside the wall.
Detailed Description
To explain technical contents, structural features, and objects and effects of the technical solutions in detail, the following detailed description is given with reference to the accompanying drawings in conjunction with the embodiments.
Referring to fig. 1, the present invention provides a cleaning arm assembly 1 for cleaning interior and exterior walls, such as a sound-insulating wall, and more particularly, for cleaning both the interior 5 and exterior 6 of the wall.
In a specific embodiment, the cleaning arm assembly 1 capable of cleaning the inner and outer wall surfaces includes a fixed base 101, a lifting mechanism, a lifting detection component, a first telescopic arm, a first telescopic detection component, a second telescopic arm, a second telescopic detection component, a first rotation mechanism 116, a first rotation detection component, a second rotation mechanism 118, a second rotation detection component, a cleaning brush assembly, and a cleaning detection component. The lifting mechanism and the lifting detection assembly are matched for lifting the first telescopic arm, the second telescopic arm, the first rotary mechanism 116, the second rotary mechanism 118 and the cleaning brush assembly; the first telescopic arm and the first telescopic detection component are matched to move the cleaning brush assembly to the inner surface 5 or the outer surface 6 of the wall and adjust the distance between the cleaning brush assembly and the wall surface; the second telescopic arm and the second telescopic detection component are matched for adjusting the working height of the cleaning brush assembly, and the first rotation mechanism 116, the first rotation detection component, the second rotation mechanism 118 and the second rotation detection component are matched for adjusting the working direction and the running direction of the cleaning brush assembly; the cleaning brush assembly is an actuating mechanism for cleaning the wall surface.
The lifting mechanism is arranged on the fixed seat 101; in one embodiment, the lifting mechanism includes a main arm 103, an arm support 104, a first oil cylinder 105, and a second oil cylinder 106; the main arm 103 is fixedly arranged on the fixing seat 101, one end of the arm support 104 is hinged with the main arm 103, and the other end of the arm support 104 is hinged with the first telescopic arm; the first oil cylinder 105 is hinged to the main arm 103, and the output end of the first oil cylinder 105 is hinged to the arm support 104, specifically, both the side wall of the main arm 103 and the side wall of the arm support 104 are provided with ear plates, the first oil cylinder 105 is connected to the ear plate of the main arm 103, and the output end of the first oil cylinder 105 is hinged to the ear plate of the arm support 104; the second oil cylinder 106 is hinged to the arm support 104, an output end of the second oil cylinder 106 is hinged to the first telescopic arm, specifically, another lug plate is further arranged on the side wall of the arm support 104, the first telescopic arm is also provided with a lug plate, the second oil cylinder 106 is hinged to the other lug plate of the arm support 104, and the second oil cylinder 106 is hinged to the lug plate of the first telescopic arm. When the first oil cylinder 105 and the second oil cylinder 106 are in a shortened state, the arm support 104 is folded downwards, and preferably, the arm support 104 can be folded to be parallel to the first telescopic mechanism, so that the first telescopic mechanism can be realized; when the first telescopic arm, the second telescopic arm and the cleaning brush assembly need to be lifted, the first oil cylinder 105 and the second oil cylinder 106 extend, the arm support 104 is turned to the position which is the same as the main arm 103, and the lifting mechanism can achieve the lifting effect when in the extending state due to the arrangement, and the mechanism can advance in the turning direction of the arm support 104, so that the range of the horizontal movement of the cleaning brush assembly is enlarged.
The lifting detection assembly is disposed at the lifting mechanism and used for detecting whether the lifting mechanism is lifted in place, in a certain embodiment, the lifting detection assembly includes a third inductive switch 133, a fourth inductive switch 134, and a fifth inductive switch 135; the third inductive switch 133 is disposed at the side wall of the main arm 103, specifically, the third inductive switch 133 is disposed at the top end of the main arm 103 and is far away from the folded arm support 104; the fourth inductive switch 134 and the fifth inductive switch 135 are disposed on the side wall of the arm support 104, specifically, the fourth inductive switch 134 and the fifth inductive switch 135 are respectively disposed at two ends of the arm support 104, the fourth inductive switch 134 is close to the main arm 103, and the fifth inductive switch 135 is close to the first telescopic arm. The third inductive switch 133, the fourth inductive switch 134, and the fifth inductive switch 135 detect which state the boom 104 is in by sensing the movement of the boom 104 relative to the main arm 103, and the specific state of the boom 104 can be obtained under the sensing combination of the third inductive switch 133, the fourth inductive switch 134, and the fifth inductive switch 135, so as to determine whether the lifting mechanism is lifted in place, and whether the next step is required.
The first telescopic arm is used for driving the cleaning brush assembly to be close to or far away from the wall body and adjusting the distance between the cleaning brush assembly and the wall body, so that the first telescopic arm can be horizontally arranged, namely the telescopic direction of the first telescopic arm is the horizontal direction. First flexible arm sets up in elevating system department, and first flexible arm can be raised or transfer under elevating system's drive, and the output of first flexible arm is connected to the flexible arm department of second.
In one embodiment, the first telescopic arm and the second telescopic arm both comprise an inner arm, an outer arm and a telescopic oil cylinder; the inner arm can slidably penetrate through the outer arm from one end of the outer arm, specifically, a sliding block is welded on the inner side of the outer arm, a sliding groove is formed in the outer side of the inner arm, the inner arm is sleeved in the outer arm, and the sliding block of the outer arm slidably penetrates through the sliding groove; the telescopic oil cylinder is arranged in the outer arm, the output end of the telescopic oil cylinder is connected with the inner arm, and the telescopic oil cylinder can be extended or shortened to drive the inner arm to move relative to the outer arm. At this time, the outer arm 107 of the first telescopic arm is connected to the lifting mechanism, the inner arm 108 of the first telescopic arm is connected to the outer arm 110 of the second telescopic arm, and the inner arm 111 of the second telescopic arm is connected to the first swing mechanism 116.
The first telescopic detection assembly is arranged at the first telescopic arm and used for detecting whether the first telescopic arm is telescopic in place or not; the second telescopic detection component is arranged at the second telescopic arm and is used for detecting whether the second telescopic arm is telescopic in place or not, taking the example of the first telescopic arm and the second telescopic arm as an example, in a further embodiment, the first telescoping detection assembly comprises a sixth inductive switch 136, a seventh inductive switch 137, an eighth inductive switch 138, the sixth inductive switch 136, the seventh inductive switch 137, and the eighth inductive switch 138 are sequentially disposed at the outer arm 107 of the first telescopic arm along the shortening direction, such a configuration can sense the movement of the inner arm 108 of the first telescopic arm relative to the outer arm, under the mutual cooperation of the sixth inductive switch 136, the seventh inductive switch 137 and the eighth inductive switch 138, it is possible to determine in which operating state the first telescopic arm is, on the basis of which it is determined whether it is in position to telescope and whether the next step is required. Similarly, the second telescopic detection assembly comprises a ninth inductive switch 139, a tenth inductive switch 140 and an eleventh inductive switch 141, wherein the ninth inductive switch 139, the tenth inductive switch 140 and the eleventh inductive switch 141 are sequentially arranged at the outer arm 110 of the second telescopic arm along the shortening direction, such arrangement can sense the movement of the inner arm 111 of the second telescopic arm relative to the outer arm, and under the mutual cooperation of the ninth inductive switch 139, the tenth inductive switch 140 and the eleventh inductive switch 141, the working state of the second telescopic arm can be determined, so as to determine whether the second telescopic arm is in the telescopic position or not and determine whether the next step needs to be performed or not.
In order to span higher walls, in a preferred embodiment, the device further comprises a turnover driving mechanism, wherein the turnover driving mechanism comprises a turnover oil cylinder 113, a first connecting rod 114, a second connecting rod 115 and a turnover detection assembly; the inner arm 108 of the first telescopic arm is hinged with the outer arm 110 of the second telescopic arm; the output end of the turning oil cylinder 113 is hinged to the outer arm 110 of the second telescopic arm; one end of the first connecting rod 114 and one end of the second connecting rod 115 are respectively hinged to the outer arm 110 of the second telescopic arm and the inner arm 108 of the first telescopic arm, and the other end of the first connecting rod 114 is hinged to the other end of the second connecting rod 115 and hinged to the overturning oil cylinder 113. When a higher wall body needs to be crossed, only the turning oil cylinder 113 needs to be started, the turning oil cylinder 113 drives the second telescopic arm to turn upwards until the second telescopic arm can be driven to cross the wall body in a turned state, and the second telescopic arm is preferably turned to be located at the same straight line with the first telescopic arm.
In order to detect the turning state of the second telescopic arm, the turning detection assembly is arranged at the first telescopic arm and used for detecting whether the second telescopic arm turns in place relative to the first telescopic arm or not, and whether the next step needs to be carried out or not is judged according to the turning detection assembly. Specifically, the overturn detecting assembly includes a sixteenth inductive switch 146 and a seventeenth inductive switch 147, and the sixteenth inductive switch 146 and the seventeenth inductive switch 147 are respectively disposed on two sides of the first telescopic arm or two sides of the second telescopic arm.
The first rotating mechanism 116 is disposed at the output end of the second telescopic arm, and the first rotating mechanism 116 is in transmission connection with the second rotating mechanism 118 for adjusting the orientation of the sweeper brush assembly, such as when the sweeper brush assembly is moved to the outer wall 6, the sweeper brush assembly is adjusted to face the outer wall 6; the sweeper brush assembly is adjusted to face the interior wall surface 5 as it is moved to the interior wall surface 5. Therefore, the axial direction of the output end of the first rotating mechanism 116 is horizontal and is arranged parallel to the wall, i.e. perpendicular to the running direction of the sanitation truck.
The second swing mechanism 118 is in transmission connection with the sweeper brush assembly and is used for adjusting the swinging direction of the sweeping surface of the sweeper brush assembly; if the swinging direction of the cleaning brush assembly in the non-working state is that the rotating shaft is in a horizontal state, then the cleaning brush assembly is rotated by ninety degrees until the rotating shaft of the cleaning brush assembly is rotated to a vertical state from the horizontal state, the arrangement enables the cleaning rotation direction of the cleaning brush assembly to be along the running path of the sanitation truck. Therefore, the axial direction of the output end of the first rotating mechanism 116 is horizontal direction, and is arranged perpendicular to the wall body, i.e. parallel to the running direction of the sanitation truck.
In one embodiment, the first swing mechanism 116 and the second swing mechanism 118 each include a stator, a rotor, and a motor; the stator of the first rotation mechanism 116 is disposed at the output end of the second telescopic arm, the motor of the first rotation mechanism 116 is disposed at the stator of the first rotation mechanism 116, and the output end of the motor of the first rotation mechanism 116 is connected to the rotor of the first rotation mechanism 116. The axial direction of the output end of the motor of the first rotating mechanism 116 is a horizontal direction, and is arranged parallel to the wall, that is, perpendicular to the running direction of the sanitation truck. The stator of the second swing mechanism 118 is connected to the rotor of the first swing mechanism 116, the motor of the second swing mechanism 118 is disposed at the stator of the second swing mechanism 118, and the output end of the motor of the second swing mechanism 118 is connected to the rotor of the second swing mechanism 118, and the rotor of the second swing mechanism 118 is connected to the sweeping brush assembly; the output shafts of the motor of the first swing mechanism 116 and the motor of the second swing mechanism 118 are disposed horizontally and vertically to each other.
In a preferred embodiment, the rotor of the first rotating mechanism 116 and the stator of the second rotating mechanism 118 may be integrated, that is, the stator of the second rotating mechanism 118 is the rotor of the first rotating mechanism 116, the rotor of the first rotating mechanism 116 is the stator of the second rotating mechanism 118, the rotor of the first rotating mechanism 116 and the stator of the second rotating mechanism 118 are the brush holder arm 117, the output end of the motor of the first rotating mechanism 116 is connected to the brush holder arm 117, and the body of the motor of the second rotating mechanism 118 is connected to the brush holder arm 117.
In order to detect the turning state of the first turning mechanism 116, the first turning detection assembly is disposed at the first turning assembly for detecting whether the first turning mechanism 116 is rotated in place. In one embodiment, the first rotation detecting assembly includes a twelfth inductive switch 142, a thirteenth inductive switch 143; the twelfth inductive switch 142 and the thirteenth inductive switch 143 are both disposed at the stator of the first rotation mechanism 116 and symmetrically disposed at two sides of the output end of the motor of the first rotation mechanism 116, and the rotation state of the rotor relative to the stator can be sensed by the mutual matching induction of the twelfth inductive switch 142 and the thirteenth inductive switch 143, so as to know whether the rotor rotates in place relative to the stator and determine whether the next step needs to be performed.
To detect the swing state of the second swing mechanism 118, the second swing detection component is disposed at the second swing mechanism 118 for detecting whether the second swing mechanism 118 is rotated into position. In one embodiment, the second rotation detection assembly includes a fourteenth inductive switch 144, a fifteenth inductive switch 145; the fourteenth and fifteenth inductive switches 144 and 145 are disposed at the stator of the second rotating mechanism 118 and symmetrically disposed at two sides of the output end of the motor of the second rotating mechanism 118. Through the fourteenth inductive switch 144 and the fifteenth inductive switch 145, the rotation state of the rotor relative to the stator can be sensed, and based on this, whether the rotor rotates in place relative to the stator is known, and whether the next step needs to be performed is determined. Referring to fig. 2, when the fourteenth inductive switch 144 is powered alone, the washing brush assembly is in the left position, when the fifteenth inductive switch 145 is powered alone, the washing brush assembly is in the right position, and when the fourteenth inductive switch 144 and the fifteenth inductive switch 145 are powered simultaneously, the washing brush assembly is in the middle position.
The cleaning detection component is arranged at the cleaning brush assembly and used for detecting whether the distance between the cleaning brush assembly and the wall is in place or not, in a certain embodiment, the cleaning detection component comprises an ultrasonic ranging induction switch 150, whether the distance between the cleaning brush assembly and the wall meets the user requirements or not can be detected through the ultrasonic ranging induction switch 150, cleaning operation can be started if the distance meets the user requirements, and the distance between the cleaning brush assembly and the wall can be adjusted through the first telescopic arm if the distance does not meet the user requirements.
Referring to FIG. 8, in one embodiment, the sweeper brush assembly includes a sweeper brush 119, a sweeper brush holder 120, and a first motor 124; the sweeper 119 is rotatably arranged at the sweeper frame 120 through a sweeper shaft 121, the sweeper frame 120 is in transmission connection with the second swing mechanism 118, and the first motor 124 is in transmission connection with the sweeper shaft 121 and is used for driving the sweeper 119 to rotate so as to complete sweeping operation. Specifically, the sweeping brush shaft 121 and the sweeping brush 119 are relatively fixed, two ends of the sweeping brush shaft 121 are respectively connected to two ends of the sweeping brush holder 120 through a first bearing seat 122 and a second bearing seat 123, the first motor 124 is connected to the sweeping brush shaft 121 through a flat key, the first bearing seat 122 and the second bearing seat 123 are welded to two ends of the sweeping brush holder 120, the first motor 124 and the sweeping brush shaft 121 are fixed to the sweeping brush holder 120 through the first bearing seat 122 and the second bearing seat 123, and when the first motor 124 rotates, the sweeping brush shaft 121 is driven to rotate, so that the sweeping brush 119 rotates to perform a sweeping operation. In a further embodiment, the cleaning brush assembly further comprises a nozzle 125, the nozzle 125 is disposed outside the brush holder 120, and the nozzle of the nozzle 125 is oriented to correspond to the cleaning surface of the brush 119, so that water can be sprayed during the cleaning process, thereby better completing the cleaning operation.
In a further embodiment, the sweeper brush 119 is provided with a water blocking cover 126 through a water blocking cover bracket 127, so that sewage generated during sweeping operation can be effectively prevented from splashing to the sweeper brush 119.
Referring to FIG. 9, in a further embodiment, the sweeper brush assembly further includes a chain 129, a sprocket 130, a second motor 128, an eighteenth inductive switch 148, a nineteenth inductive switch 149; the belt seat bearing 151 is fixed at the head and tail sides of the water retaining cover bracket 127 and is matched with the brushing shaft 121, the chain 129 is fixed on the water retaining cover bracket 127, the chain wheel 130 is connected with the second motor 128, the second motor 128 is fixed on the brushing frame 120, and when the second motor 128 works, the water retaining cover bracket 127 is driven to rotate by the chain wheel 130 and the chain 129. When the second motor 128 is operated, the chain wheel 130 and the chain 129 drive the water blocking cover bracket 127 and the belt bearing 151 to rotate around the brushing shaft 121, and the eighteenth inductive switch 148 and the nineteenth inductive switch 149 stop operating when the second motor 128 is powered on.
In order to adjust the orientation of the cleaning arm assembly 1 so that the left and right walls of the road can be cleaned in the same driving direction, in a further embodiment, a third swing mechanism 102 and a third swing detection assembly are further included; the third swing mechanism 102 is disposed at the fixed seat 101, and the lifting mechanism is in transmission connection with the fixed seat and is used for driving the lifting mechanism to rotate, so that the orientation of the whole cleaning arm assembly 1 can be adjusted, and if the wall on the left side of the road needs to be cleaned in the same driving direction, the lifting mechanism, the first telescopic arm, the second telescopic arm, the first swing mechanism 116, the second swing mechanism 118 and the cleaning brush assembly are driven to synchronously rotate through the third swing mechanism 102 until the cleaning brush assembly faces the wall on the left side; when the wall on the right side of the road needs to be cleaned in the same driving direction, the third swing mechanism 102 drives the first telescopic arm, the second telescopic arm, the first swing mechanism 116, the second swing mechanism 118 and the sweeper brush assembly to synchronously rotate until the sweeper brush assembly faces the wall on the right side.
Similarly, the third rotation mechanism 102 may also include a stator, a rotor, and a motor, the stator is connected to the fixed base 101, the body of the motor is connected to the stator, the output end of the motor faces upward and is connected to the rotor, the rotor is fixedly connected to the lifting mechanism, and when the motor is started, the output end of the motor drives the rotor to drive the lifting mechanism to rotate.
The third rotation detecting assembly is disposed at the third rotation mechanism 102 for detecting whether the third rotation mechanism 102 rotates in place, and in one embodiment, the third rotation detecting assembly includes a first inductive switch 131 and a second inductive switch 132; the first inductive switch 131 and the second inductive switch 132 are both disposed at the third swing mechanism 102. Through the mutual induction of the first induction switch 131 and the second induction switch 132, the rotation state of the third rotation mechanism 102 driving the lifting mechanism to rotate can be sensed, and based on this, whether the rotor rotates in place relative to the stator can be known, and whether the next step needs to be performed can be determined.
Referring to fig. 10, the invention further provides a sanitation vehicle, which includes a vehicle body and a cleaning arm assembly 1 capable of cleaning the inner and outer wall surfaces, wherein the cleaning arm assembly 1 capable of cleaning the inner and outer wall surfaces is any one of the cleaning arm assemblies 1 capable of cleaning the inner and outer wall surfaces; the vehicle body comprises a cab 2 and a vehicle frame 3, the cleaning arm assembly 1 capable of cleaning the inner wall and the outer wall is connected to the vehicle frame 3 of the vehicle body through a fixing seat 101, the sanitation vehicle can clean the whole wall outer surface 6 or the wall inner surface 5 in the driving process, the sanitation vehicle provides a power source for the cleaning arm assembly 1 capable of cleaning the inner wall and the outer wall, and provides high-pressure water for the spray pipe 125, and a user can control the cleaning arm assembly 1 capable of cleaning the inner wall and the outer wall in the cab 2. Specifically, a control console connected with a power source and a cleaning arm assembly 1 capable of cleaning the inner wall and the outer wall is arranged in the cab 2, and the control console is provided with a program and an operation button for cleaning the outer wall on the left side, cleaning the inner wall on the left side, cleaning the outer wall on the right side, cleaning the inner wall on the right side, returning the outer wall on the left side, returning the inner wall on the left side, cleaning the outer wall on the right side and returning the inner wall on the right side.
In a further embodiment, a support seat 4 is arranged at the tail of the vehicle body, the cleaning brush assembly of the cleaning arm assembly 1 in the non-working state abuts against the support seat 4, and the stability of the cleaning arm assembly 1 in the running process of the sanitation vehicle can be ensured through the support of the support seat 4.
The sanitation truck specifically works as follows:
when the sanitation truck is transferred, the state of the cleaning arm assembly 1 capable of cleaning the inner and outer wall surfaces is shown in fig. 10, and at this time, the ninth inductive switch 139, the tenth inductive switch 140, the sixteenth inductive switch 146, the sixth inductive switch 136, the seventh inductive switch 137, the eighth inductive switch 138, the first inductive switch 131, the second inductive switch 132, the twelfth inductive switch 142, the fourteenth inductive switch 144 and the fifteenth inductive switch 145 are powered on.
When the sanitation truck needs to clean the wall outer surface 6 of the left side wall, the sanitation truck is firstly close to a proper position of the left side wall surface, then the left side outer wall cleaning button is operated, the telescopic oil cylinder 112 of the second telescopic arm is contracted according to the program setting, when the ninth inductive switch 139, the tenth inductive switch 140 and the eleventh inductive switch 141 are simultaneously powered on, the telescopic oil cylinder 112 of the second telescopic arm is recovered in place, and at the moment, the cleaning arm assembly 1 is separated from the supporting seat 4; then the turnover oil cylinder 113 contracts, when the seventeenth induction switch 147 is powered on, the turnover oil cylinder 113 stops working, the second telescopic arm is at the horizontal position at the moment, and the cleaning arm assembly 1 is in the state shown in the attached figure 4 at the moment; then the telescopic cylinder 109 of the first telescopic boom starts to extend out, when the seventh inductive switch 137 and the eighth inductive switch 138 are powered off simultaneously, the telescopic cylinder 109 of the first telescopic boom extends out to the right position and stops working, at the moment, the inner boom 108 of the first telescopic boom extends out to the right position, then the motor of the first swing mechanism 116 rotates reversely, when the thirteenth inductive switch 143 is powered on, the motor of the first swing mechanism 116 stops working, the motor of the second swing mechanism 118 rotates forwards, when the fourteenth inductive switch 144 is powered on, the motor of the second swing mechanism 118 stops working, at the moment, the cleaning arm assembly 1 is in the state shown in fig. 5; then the motor of the third swing mechanism 102 rotates forward, when the first inductive switch 131 is powered on, the motor of the third swing mechanism 102 stops working, the turnover oil cylinder 113 extends out, and when the sixteenth inductive switch 146 is powered on, the turnover oil cylinder 113 stops acting; then the telescopic oil cylinder 112 of the second telescopic arm extends out, when the ninth inductive switch 139 is powered off, the telescopic oil cylinder 112 of the second telescopic arm stops working, at this time, the inner arm 111 of the second telescopic arm extends out to the right position, the telescopic oil cylinder 109 of the first telescopic arm contracts, when the ultrasonic ranging inductive switch 150 senses that the distance from the wall surface is a preset value, the telescopic oil cylinder 109 of the first telescopic arm stops acting, and at this time, the cleaning arm assembly is in the state shown in fig. 6.
The high pressure water of the sanitation vehicle is turned on to spray water from the spray pipe 125, and at the same time, the rolling switch of the sanitation vehicle is operated to operate the first motor 124, so that the sanitation vehicle performs the cleaning work of the outside 6 of the left side wall.
The range of the distance between the cleaning brush assembly and the wall surface is preset in a console of the sanitation truck, the ultrasonic ranging induction switch 150 senses the distance between the cleaning brush assembly and the wall surface during working, when the sensed distance is larger than a preset range value, the telescopic oil cylinder 109 of the first telescopic arm retracts to enable the cleaning brush assembly to be close to the wall surface for cleaning, and when the sensed distance is smaller than the preset range value, the telescopic oil cylinder 109 of the first telescopic arm extends to enable the cleaning brush assembly to be far away from the wall surface for cleaning, so that the high efficiency of wall surface cleaning operation can be guaranteed, the difficulty of a driver in operating a vehicle is reduced, and the safety of the whole truck is greatly improved.
After the sanitation truck finishes cleaning the wall outer surface 6 of the left side wall, when the sanitation truck needs to return, the rolling sweeping switch on the sanitation truck is firstly closed, high-pressure water is simultaneously closed, then the left side cleaning outer wall return switch is operated, at the moment, the telescopic oil cylinder 112 of the second telescopic arm contracts, when the ninth inductive switch 139, the tenth inductive switch 140 and the eleventh inductive switch 141 are powered on, the telescopic oil cylinder 112 of the second telescopic arm stops working, at the moment, the inner arm 111 of the second telescopic arm is recovered in place, the overturning oil cylinder 113 contracts, when the seventeenth inductive switch 147 is powered on, the overturning oil cylinder 113 stops working, and at the moment, the cleaning arm assembly 1 is in a state as shown in the attached figure 5. When the fourteenth and fifteenth inductive switches 144 and 145 are simultaneously powered on, the motor of the second rotary mechanism 118 stops working, and the washing brush assembly is parallel to the ground, the motor of the first rotary mechanism 116 rotates reversely, when the thirteenth inductive switch 143 is powered on, the motor of the first rotary mechanism 116 stops working, the motor of the third rotary mechanism 102 rotates reversely, when the first and second inductive switches 131 and 132 are simultaneously powered on, the motor of the third rotary mechanism 102 stops working, and at this time, the state of the cleaning arm assembly 1 is as shown in fig. 4, then the turnover cylinder 113 extends, when the sixteenth inductive switch 146 is powered on, the turnover cylinder 113 stops working, the telescopic cylinder 112 of the second telescopic arm extends, when the tenth and eleventh inductive switches 140 and 141 are simultaneously powered off, the telescopic cylinder 112 of the second telescopic arm stops working, the cleaning arm assembly 1 is now in a retracted state as shown in fig. 1.
When the sanitation truck needs to clean the inner wall surface 5 of the right wall, the sanitation truck keeps a safe distance with the left wall surface, then the right side inner wall cleaning button is operated, the cleaning arm assembly 1 moves the cleaning arm assembly 1 to the state shown in figure 4 according to the step of cleaning the outer wall surface 6 of the left wall, then the motor of the second swing mechanism 118 rotates reversely, when the fifteenth induction switch 145 is powered on, the motor of the second swing mechanism 118 stops operating, the turnover oil cylinder 113 extends out, when the sixteenth induction switch 146 is powered on, the turnover oil cylinder 113 stops operating, the telescopic oil cylinder 112 of the second telescopic arm extends out, when the tenth induction switch 140 and the eleventh induction switch 141 are powered off simultaneously, the telescopic oil cylinder 112 of the second telescopic arm stops operating, at the moment, the inner arm 111 of the second telescopic arm extends out to a proper position, the telescopic oil cylinder 109 of the first telescopic arm extends out, when the distance between the ultrasonic ranging induction switch 150 and the wall surface is a preset value, the telescopic cylinder 109 of the first telescopic arm is stopped, and the wash arm assembly 1 is in the state shown in fig. 7.
The high pressure water of the sanitation vehicle is turned on to spray water from the spray pipe 125, and at the same time, the rolling switch of the sanitation vehicle is operated to operate the first motor 124, so that the sanitation vehicle performs the cleaning work of the inner wall surface 5 of the right wall.
After the sanitation truck cleans the wall inner surface 5 of the right wall, when the sanitation truck needs to return, the rolling sweeping switch on the sanitation truck is closed, high-pressure water is closed, then the sanitation truck keeps a safe distance with the left wall surface, the inner wall cleaning return switch on the right side is operated, the telescopic oil cylinder 109 of the first telescopic arm contracts, when the seventh induction switch 137 and the eighth induction switch 138 are powered on, the telescopic oil cylinder 109 of the first telescopic arm stops acting, at the moment, the inner arm 108 of the first telescopic arm is recovered in place, the motor of the second swing mechanism 118 rotates forwards, when the fourteenth induction switch 144 and the fifteenth induction switch 145 are powered on, the motor of the second swing mechanism 118 stops working, the telescopic oil cylinder 112 of the second telescopic arm contracts, when the ninth induction switch 139, the tenth induction switch 140 and the eleventh induction switch 141 are powered on, the telescopic oil cylinder 112 of the second telescopic arm stops working, the overturning oil cylinder 113 contracts, when the seventeenth sensing switch 147 is powered on, the reverse cylinder 113 stops operating, and the cleaning arm assembly is in the state shown in fig. 4, and the process of returning the cleaning arm assembly of fig. 4 to the cleaning arm assembly of fig. 1 is the same as the process of cleaning the portion of the wall outer surface 6 of the left side wall.
The working processes of cleaning the inner wall on the left side and returning to the inner wall on the right side are similar to those of cleaning the inner wall on the right side and cleaning the inner wall on the right side; the working processes of cleaning the outer wall on the right side and returning the outer wall on the right side are similar to those of cleaning the outer wall on the left side and returning the outer wall on the left side.
It should be noted that, although the above embodiments have been described herein, the invention is not limited thereto. Therefore, based on the innovative concepts of the present invention, the technical solutions of the present invention can be directly or indirectly applied to other related technical fields by making changes and modifications to the embodiments described herein, or by using equivalent structures or equivalent processes performed in the content of the present specification and the attached drawings, which are included in the scope of the present invention.
Claims (10)
1. The cleaning arm assembly capable of cleaning the inner wall surface and the outer wall surface is characterized by comprising a fixed seat, a lifting mechanism, a lifting detection assembly, a first telescopic arm, a first telescopic detection assembly, a second telescopic arm, a second telescopic detection assembly, a first rotation mechanism, a first rotation detection assembly, a second rotation mechanism, a second rotation detection assembly, a cleaning brush assembly and a cleaning detection assembly;
the lifting mechanism is arranged on the fixed seat, and the lifting detection assembly is arranged at the lifting mechanism and used for detecting whether the lifting mechanism is lifted in place or not;
the first telescopic arm is arranged at the lifting mechanism, and the output end of the first telescopic arm is connected to the second telescopic arm; the first telescopic detection assembly is arranged at the first telescopic arm and used for detecting whether the first telescopic arm is telescopic in place or not; the second telescopic detection assembly is arranged at the second telescopic arm and used for detecting whether the second telescopic arm is telescopic in place or not;
the first rotating mechanism is arranged at the output end of the second telescopic arm and is in transmission connection with the second rotating mechanism for adjusting the orientation of the cleaning brush assembly; the first rotation detection assembly is arranged at the first rotation assembly and used for detecting whether the first rotation mechanism rotates to the position or not;
the second swing mechanism is in transmission connection with the cleaning brush assembly and is used for adjusting the swinging direction of the cleaning surface of the cleaning brush assembly; the second rotation detection assembly is arranged at the second rotation mechanism and used for detecting whether the second rotation mechanism rotates to the position or not; the cleaning detection component is arranged at the cleaning brush assembly and used for detecting whether the distance between the cleaning brush assembly and the wall surface is in place or not.
2. The cleanable inner and outer wall surfaces wash arm assembly as claimed in claim 1, further comprising a third rotation mechanism and a third rotation detection assembly; the third swing mechanism is arranged at the fixed seat, is in transmission connection with the lifting mechanism and is used for driving the lifting mechanism to rotate; the third rotation detection assembly is arranged at the third rotation mechanism.
3. The cleanable arm assembly for cleaning interior and exterior walls according to claim 2, wherein the third rotation detection assembly comprises a first inductive switch and a second inductive switch; the first inductive switch and the second inductive switch are both arranged at the third slewing mechanism.
4. The cleaning arm assembly capable of cleaning inner and outer wall surfaces according to claim 1, wherein the lifting mechanism comprises a main arm, an arm support, a first oil cylinder and a second oil cylinder; the main arm is fixedly arranged on the fixed seat, one end of the arm support is hinged with the main arm, and the other end of the arm support is hinged with the first telescopic arm; the first oil cylinder is hinged to the main arm, and the output end of the first oil cylinder is hinged to the arm support; the second oil cylinder is hinged to the arm support, and the output end of the second oil cylinder is hinged to the first telescopic arm.
5. The assembly according to claim 4, wherein the lifting detection assembly comprises a third inductive switch, a fourth inductive switch and a fifth inductive switch; the third inductive switch is arranged on the side wall of the main arm; the fourth inductive switch and the fifth inductive switch are arranged on the side wall of the arm support.
6. The assembly of claim 1, wherein the first and second telescopic arms each comprise an inner arm, an outer arm, and a telescopic cylinder; the inner arm is slidably penetrated in the outer arm from one end of the outer arm, the telescopic oil cylinder is arranged in the outer arm, and the output end of the telescopic oil cylinder is connected with the inner arm; the outer arm of the first telescopic arm is connected to the lifting mechanism, the inner arm of the first telescopic arm is connected to the outer arm of the second telescopic arm, and the inner arm of the second telescopic arm is connected to the first rotating mechanism.
7. The cleaning arm assembly capable of cleaning inner and outer wall surfaces according to claim 6, further comprising a turnover driving mechanism, wherein the turnover driving mechanism comprises a turnover cylinder, a first connecting rod, a second connecting rod and a turnover detection component; the inner arm of the first telescopic arm is hinged with the outer arm of the second telescopic arm; the output end of the overturning oil cylinder is hinged to the outer arm of the second telescopic arm; one end of the first connecting rod and one end of the second connecting rod are respectively hinged to the outer arm of the second telescopic arm and the inner arm of the first telescopic arm, and the other end of the first connecting rod is hinged to the other end of the second connecting rod and hinged to the overturning oil cylinder; the overturning detection assembly is arranged at the first telescopic arm and used for detecting whether the second telescopic arm overturns in place relative to the first telescopic arm.
8. The cleaning arm assembly capable of cleaning inner and outer wall surfaces according to claim 6, wherein the first telescopic detection component comprises a sixth inductive switch, a seventh inductive switch and an eighth inductive switch, and the sixth inductive switch, the seventh inductive switch and the eighth inductive switch are sequentially arranged at the outer arm of the first telescopic arm along the shortening direction; the second telescopic detection assembly comprises a ninth inductive switch, a tenth inductive switch and an eleventh inductive switch, and the ninth inductive switch, the tenth inductive switch and the eleventh inductive switch are sequentially arranged at the outer arm of the second telescopic arm along the shortening direction.
9. The cleanable inner and outer wall surfaces wash arm assembly as claimed in claim 1, wherein the first and second swing mechanisms each comprise a stator, a rotor and a motor; the stator of the first rotating mechanism is arranged at the output end of the second telescopic arm, the motor of the first rotating mechanism is arranged at the stator of the first rotating mechanism, and the output end of the motor of the first rotating mechanism is connected with the rotor of the first rotating mechanism; the stator of the second slewing mechanism is connected to the rotor of the first slewing mechanism, the motor of the second slewing mechanism is arranged at the stator of the second slewing mechanism, the output end of the motor of the second slewing mechanism is connected with the rotor of the second slewing mechanism, and the rotor of the second slewing mechanism is connected with the cleaning brush assembly; the output shafts of the motor of the first rotating mechanism and the motor of the second rotating mechanism are horizontally and vertically arranged.
10. The sanitation vehicle, which is characterized in that the sanitation vehicle comprises a vehicle body and a cleaning arm assembly capable of cleaning the inner and outer wall surfaces, wherein the cleaning arm assembly capable of cleaning the inner and outer wall surfaces is the cleaning arm assembly capable of cleaning the inner and outer wall surfaces according to any one of claims 1 to 9; the vehicle body comprises a cab and a vehicle frame, and the cleaning arm assembly capable of cleaning the inner wall and the outer wall is connected to the vehicle frame of the vehicle body through a fixed seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911292563.1A CN110952486A (en) | 2019-12-16 | 2019-12-16 | Cleaning arm assembly capable of cleaning inner and outer wall surfaces and sanitation vehicle thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911292563.1A CN110952486A (en) | 2019-12-16 | 2019-12-16 | Cleaning arm assembly capable of cleaning inner and outer wall surfaces and sanitation vehicle thereof |
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| CN110952486A true CN110952486A (en) | 2020-04-03 |
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| CN201911292563.1A Pending CN110952486A (en) | 2019-12-16 | 2019-12-16 | Cleaning arm assembly capable of cleaning inner and outer wall surfaces and sanitation vehicle thereof |
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| CN (1) | CN110952486A (en) |
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| CN111827189A (en) * | 2020-07-23 | 2020-10-27 | 赵彦强 | A clean recovery unit for maple fallen leaves |
| CN111877233A (en) * | 2020-08-06 | 2020-11-03 | 河南路太养路机械股份有限公司 | Leading wall belt cleaning device |
| CN114875829A (en) * | 2022-04-25 | 2022-08-09 | 徐州徐工环境技术有限公司 | Self-adaptive adjusting system for brush of wall surface cleaning vehicle |
| CN114939649A (en) * | 2022-04-28 | 2022-08-26 | 安徽省岳西缸套有限公司 | Cylinder liner casting ladle and casting ladle cleaning equipment thereof |
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Application publication date: 20200403 |