CN108190716B - Foldable cleaning device - Google Patents
Foldable cleaning device Download PDFInfo
- Publication number
- CN108190716B CN108190716B CN201810094546.6A CN201810094546A CN108190716B CN 108190716 B CN108190716 B CN 108190716B CN 201810094546 A CN201810094546 A CN 201810094546A CN 108190716 B CN108190716 B CN 108190716B
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- China
- Prior art keywords
- arc
- limiting cover
- water
- rotating shaft
- shaped limiting
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- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B31/00—Accessories for escalators, or moving walkways, e.g. for sterilising or cleaning
- B66B31/02—Accessories for escalators, or moving walkways, e.g. for sterilising or cleaning for handrails
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B31/00—Accessories for escalators, or moving walkways, e.g. for sterilising or cleaning
- B66B31/003—Accessories for escalators, or moving walkways, e.g. for sterilising or cleaning for cleaning steps or pallets
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B50/00—Energy efficient technologies in elevators, escalators and moving walkways, e.g. energy saving or recuperation technologies
Landscapes
- Escalators And Moving Walkways (AREA)
- Cleaning In General (AREA)
Abstract
The invention provides a foldable cleaning device, which comprises a motor, two bearings and a rotating shaft, wherein the two bearings are fixed on the side surface of an escalator, the rotating shaft is arranged between the two bearings, two telescopic rods are transversely arranged on the rotating shaft, the tail parts of the two telescopic rods are connected with a fixed plate, a cleaning module is fixed on the side surface of the fixed plate, the cleaning module comprises an arc-shaped limiting cover, the arc-shaped limiting cover can be buckled on the escalator handrail, at least three first rolling shafts are transversely arranged on the inner side of the upper part of the arc-shaped limiting cover, at least three second rolling shafts are transversely arranged on the inner side of the lower part of the arc-shaped limiting cover, and cleaning cloth is wound on the first rolling shafts and the second rolling shafts; the side plate bottom of the arc limiting cover is obliquely upwards provided with a water baffle, two sides of the water baffle, the side plate and the arc limiting cover form a water containing tank, and a water diversion pipe is connected to the water containing tank. The automatic handrail cleaning device can effectively clean the automatic handrail.
Description
Technical Field
The invention relates to the technical field of special equipment, in particular to a foldable cleaning device.
Background
At present, the escalator is widely applied to public places and large shops, all the escalators in the places are manually cleaned, and the escalator runs during cleaning. The hand-cleaning type escalator is characterized in that the cleaning cloth is manually used for cleaning the escalator handrail, so that on one hand, the cleaning is inconvenient, on the other hand, because the handrail is rotary, the hand-cleaning type escalator also has potential safety hazards because the hand-cleaning type escalator walks on the hand, and the hand-cleaning type escalator does not catch attention and can slide down from the hand-cleaning type escalator.
Disclosure of Invention
In order to overcome the problems, the invention aims to provide a foldable cleaning device which can be unfolded and cleaned when in use and folded and retracted when not in use, so that the handrail belt can be cleaned.
The invention is realized by adopting the following scheme: the utility model provides a foldable belt cleaning device, the device is collapsible to be set up in the side of escalator, the device includes motor, two bearings, and pivot, two bearings are fixed in the side of escalator, the pivot sets up between two bearings, and the top of pivot with the rotation axis connection of motor, motor drive pivot carries out corotation or reversal, transversely be provided with two telescopic links in the pivot, two telescopic link afterbody connections have a fixed plate, be fixed with a cleaning module on the fixed plate side, the cleaning module includes an arc limiting cover, the arc limiting cover can detain on the escalator handrail area, and the cross-section of arc limiting cover is the U-shaped; at least three first rollers are transversely arranged on the inner side of the upper part of the arc-shaped limiting cover, at least three second rollers are transversely arranged on the inner side of the lower part of the arc-shaped limiting cover, and cleaning cloth is wound on the second rollers; the side plate bottom of the arc limiting cover is obliquely upwards provided with a water baffle, two sides of the water baffle, the side plate and the arc limiting cover form a water containing tank, and a water diversion pipe is connected to the water containing tank.
Further, the device also comprises a base, wherein three spaces are partitioned in the base, and a hot air blower, a water tank and a water storage tank are sequentially arranged in the three spaces; the inside of the arc-shaped limiting cover is a hollow cavity, and the inner side walls of the two sides of the opening of the arc-shaped limiting cover are sequentially provided with a drying part, a cleaning part and a dust removing part from top to bottom; the drying piece, the cleaning piece and the dust removing piece are sequentially connected; the drying piece comprises two first hollow supporting blocks and two sponge blocks, wherein the first hollow supporting blocks are fixed on the inner side walls of the arc-shaped limiting covers, the sponge blocks are arranged on the first hollow supporting blocks, and a plurality of air outlet holes are formed in the surfaces of the first hollow supporting blocks; the cleaning piece comprises two second hollow supporting blocks and two cleaning cloth blocks, wherein the second hollow supporting blocks are fixed on the inner side walls of the arc-shaped limiting covers, the cleaning cloth blocks are arranged on the second hollow supporting blocks, and a plurality of water outlets are formed in the surfaces of the second hollow supporting blocks; the dust removing piece comprises a plurality of brushes, and the plurality of brushes are fixed on the inner side wall of the arc limiting cover;
the air outlet of the air heater is connected with a main air pipe, a first four-way valve is connected to the main air pipe, two sides of the upper part of the arc-shaped limiting cover are provided with two first air guide pipes, one end of each first air guide pipe penetrates through the arc-shaped limiting cover to be connected with a drying piece, the other end of each first air guide pipe is connected with the first four-way valve through a water pipe quick connector, a side plate on the upper part of the arc-shaped limiting cover is provided with a second air guide pipe, one end of each second air guide pipe penetrates through the arc-shaped limiting cover to extend into a hollow cavity of the arc-shaped limiting cover, the other end of each second air guide pipe is connected with the first four-way valve through a water pipe quick connector, and a plurality of air outlets are formed in the upper surface of the side plate on the upper part of the arc-shaped limiting cover;
a water suction pump is arranged in the water tank, the water suction pump is connected with a water inlet main pipe, a second four-way valve is connected to the water inlet main pipe, two first water inlet pipes are arranged on two sides of the middle part of the arc-shaped limiting cover, one end of each first water inlet pipe penetrates through the arc-shaped limiting cover to be connected with a cleaning piece, the other end of each first water inlet pipe is connected with the second four-way valve through a water pipe quick connector, a second water inlet pipe is arranged on a side plate of the middle part of the arc-shaped limiting cover, and one end of each second water inlet pipe penetrates through the arc-shaped limiting cover to be located above the second rolling shaft, so that water can flow onto the second rolling shaft; the other end of the second water inlet pipe is connected with the second four-way valve through a water pipe quick connector; a valve is arranged on the water inlet main pipe; the water diversion pipe is connected with the water storage tank.
Further, the telescopic rod is a stainless steel telescopic rod or a telescopic cylinder.
Further, one end surface of the rag is provided with a male magic tape, and the bottom surface of the other end of the rag is provided with a female magic tape.
Further, the first air guide pipe passes through the arc limiting cover and is connected with the first hollow supporting block of the drying piece, so that hot air in the first air guide pipe can be guided to the sponge block.
Further, the first water inlet pipe passes through the arc limiting cover and is connected with the second hollow supporting block of the cleaning piece, so that water in the first water inlet pipe can be drained to the wiping cloth block of the cleaning piece.
Further, an air inlet valve is arranged on the main air pipe.
Further, a valve is arranged on the second water inlet pipe.
The invention has the beneficial effects that: when the device is not used, the cleaning module is folded by the motor and the rotating shaft to lean against the side face of the handrail belt to be folded, and the device is convenient to use and can effectively clean the surface of the handrail belt.
Drawings
Fig. 1 is a schematic view of the structure of the first embodiment of the present invention in an unused state.
Fig. 2 is a schematic structural view of the first embodiment of the present invention in a use state.
Fig. 3 is a schematic structural view of an arc-shaped limiting cover according to a first embodiment of the present invention.
Fig. 4 is a schematic cross-sectional view of an arc-shaped limiting cover according to a first embodiment of the present invention.
Fig. 5 is a schematic structural view of the second embodiment of the present invention in an unused state.
Fig. 6 is a schematic structural view of a second embodiment of the present invention in use.
Fig. 7 is a schematic view of a part of a second embodiment of the present invention.
Fig. 8 is a schematic cross-sectional view of an arc-shaped limiting cover according to a second embodiment of the present invention.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
Referring to fig. 1 to 4, a first embodiment of the present invention is as follows: the invention provides a foldable cleaning device which is arranged on the side surface of an automatic handrail ladder 1 in a foldable way, and comprises a motor 2, two bearings 3 and a rotating shaft 4, wherein the two bearings 3 are fixed on the side surface of the automatic handrail ladder 1, the rotating shaft 4 is arranged between the two bearings 3, the top of the rotating shaft 4 is connected with the rotating shaft of the motor 2, and the motor 2 drives the rotating shaft 4 to rotate forwards or reversely, wherein the control of the motor 2 can be controlled through a control switch, namely, the automatic handrail ladder is provided with a control switch, and the motor is connected with the control switch; the control switch can control the on and off, and the motor rotates forward or reversely; the structure and control principle of the control switch are already well established technology, and the control switch is not a technical feature to be protected in the patent; the two telescopic rods 5 are transversely arranged on the rotating shaft 4, the tail parts of the two telescopic rods 5 are connected with a fixed plate 6, a cleaning module 7 is fixed on the side face of the fixed plate 6, so that the telescopic rods 5 can drive the fixed plate 6 to move forwards and backwards, the cleaning module on the fixed plate can be buckled on a handrail belt, the cleaning module 7 comprises an arc-shaped limiting cover 71, the arc-shaped limiting cover 71 can be buckled on the handrail belt 11 of the escalator 1, and the section of the arc-shaped limiting cover 71 is U-shaped; at least three first rollers 72 are transversely arranged on the inner side of the upper part of the arc-shaped limiting cover 71, at least three second rollers 73 are transversely arranged on the inner side of the lower part of the arc-shaped limiting cover 71, and cleaning cloth (not shown) is wound on the second rollers 73; thus, when the cleaning cloth is used, water is poured on the cleaning cloth of the second roller 73, so that the first roller 72 and the second roller 73 can lean against the automatic handrail, and when the automatic handrail rotates, the first roller 72 and the second roller 73 can also roll, and the cleaning cloth can clean the surface of the automatic handrail; the side plate bottom of the arc limiting cover 71 is obliquely upwards provided with a water baffle 74, two sides of the water baffle 74, the side plate 75 and the arc limiting cover form a water containing tank 76, and a water diversion pipe 77 is connected to the water containing tank 76. During cleaning of the first roller 72 and the second roller 73, water flows into the water containing tank 76, so that water in the water containing tank 76 can flow out of the water conduit, and water is introduced into the water containing tank or the water storage tank from the water conduit.
In the present invention, the telescopic rod 5 is a stainless steel telescopic rod (i.e., a stainless steel telescopic rod which is manually adjusted in a usual mop) or a telescopic cylinder. One end surface of the rag is provided with a male magic tape, and the bottom surface of the other end of the rag is provided with a female magic tape.
Referring to fig. 5 to 8, there is shown a schematic structural view of a second embodiment of the present invention. This second embodiment differs from the first embodiment in that: the device also comprises a base 8, wherein three spaces are partitioned in the base 8, and a hot air blower 81, a water tank 82 and a water storage tank 83 are sequentially arranged in the three spaces; the inside of the arc-shaped limiting cover is a hollow cavity, and the inner side walls of the two sides of the opening of the arc-shaped limiting cover are sequentially provided with a drying piece 84, a cleaning piece 85 and a dust removing piece 86 from top to bottom; the drying piece 84, the cleaning piece 85 and the dust removing piece 86 are connected in sequence; the drying member 84 includes two first hollow supporting blocks 841 and two sponge blocks 842, the first hollow supporting blocks 841 are fixed on the inner side wall of the arc-shaped limiting cover 71, the sponge blocks 842 are disposed on the first hollow supporting blocks 841, and a plurality of air outlets are formed on the surface of the first hollow supporting blocks 841; thus, the hot air generated by the hot air blower 81 can flow onto the sponge block 842 from the air outlet holes on the surface of the first hollow supporting block 841, and the sponge block 842 can absorb the moisture on the handrail belt in the grooves on two sides of the automatic handrail ladder;
the cleaning member 85 includes two second hollow supporting blocks 851 and two cleaning cloth blocks 852, the second hollow supporting blocks 851 are fixed on the inner side wall of the arc-shaped limiting cover 71, the cleaning cloth blocks 852 are arranged on the second hollow supporting blocks 851, and the surface of the second hollow supporting blocks 851 is provided with a plurality of water outlets; so that water in the water tank 82 can flow to the cleaning cloth 852 from the water outlet holes on the surface of the second hollow supporting block 851, and the wet cleaning cloth can clean the handrail belts in the grooves on the two sides of the escalator; the dust removing member 86 includes a plurality of brushes fixed to the inner side wall of the arc-shaped limiting cover 71; the brush can firstly remove dust on the handrail belt in the grooves on two sides of the automatic handrail ladder;
the air outlet of the air heater 81 is connected with a main air pipe 811, the main air pipe 811 is connected with a first four-way valve 812, two first air guide pipes 813 are arranged on two sides of the upper portion of the arc-shaped limiting cover 71, one end of each first air guide pipe 813 penetrates through the arc-shaped limiting cover 71 to be connected with the drying piece 84, the other end of each first air guide pipe 813 is connected with the first four-way valve 812 through a water pipe quick connector (not shown), a second air guide pipe 814 is arranged on the side plate on the upper portion of the arc-shaped limiting cover 71, one end of each second air guide pipe 814 penetrates through the arc-shaped limiting cover 71 to extend into a hollow cavity of the arc-shaped limiting cover 71, the other end of each second air guide pipe 814 is connected with the first four-way valve 812 through a water pipe quick connector (not shown), and a plurality of air outlets 815 are formed in the upper surface of the side plate 75 on the arc-shaped limiting cover 71; thus, the hot air can flow out from the air outlet 815 on the side plate 75, so that the front surface of the handrail belt can be dried, and the moisture on the first rolling shaft can be dried; when the air heater is needed to be used for air intake of the main air pipe 811, the first air guide pipe 813 and the second air guide pipe 814 are connected into the first four-way valve through the water pipe quick connector, and when the air heater is not needed to be used, the air heater and the main air pipe can be stripped from the first air guide pipe and the second air guide pipe;
a water pump is arranged in the water tank 82, the water pump is connected with a water inlet main pipe 821, a second four-way valve 822 is connected to the water inlet main pipe 821, two first water inlet pipes 823 are arranged on two sides of the middle part of the arc-shaped limiting cover 71, one end of each first water inlet pipe 823 penetrates through the arc-shaped limiting cover 71 to be connected with the cleaning piece 85, the other end of each first water inlet pipe 823 is connected with the second four-way valve 822 through a water pipe quick connector (not shown), a second water inlet pipe 824 is arranged on a side plate of the middle part of the arc-shaped limiting cover 71, and one end of each second water inlet pipe 824 penetrates through the arc-shaped limiting cover 71 to be located above the second rolling shaft 73, so that water can flow onto the second rolling shaft 73; the other end of the second water inlet pipe 824 is connected with the second four-way valve 822 through a water pipe quick connector; a valve is arranged on the main water inlet pipe 821; the water conduit 77 is connected to a water reservoir 83. When the water tank is needed to send water to the water inlet main pipe 821, the first water inlet pipe and the second water inlet pipe 824 are connected into the second four-way valve through the water pipe quick connector, and when the water tank is not needed to be used, the water tank and the water inlet main pipe can be peeled off from the first water inlet pipe 823 and the second water inlet pipe 824;
the main air pipe 811, the water inlet pipe 821 and the water conduit 131 are flexible pipes and have certain lengths, and can drive the arc-shaped limiting cover 71 to move back and forth by the telescopic rod, and the two first air guide pipes, the second air guide pipes, the two first water inlet pipes and the second water inlet pipes 824 are hard pipes, so that the two first air guide pipes, the second air guide pipes, the two first water inlet pipes and the second water inlet pipes 824 can be arranged on the arc-shaped limiting cover 71; in addition, the water pump, the air heater and the telescopic cylinder can be controlled to be started or closed by a control box, and the control principle of the control box is that the prior art is not described in detail herein. The side wall of the base is provided with an opening, and an air inlet of the air heater is positioned on the opening, so that air can flow in from the air heater.
In the present invention, the first air guiding pipe 813 passes through the arc-shaped limiting cover 71 and is connected to the first hollow supporting block 841 of the drying member 84, so that the hot air in the first air guiding pipe 813 can be guided to the sponge block 842. The first water inlet pipe 823 penetrates through the arc-shaped limiting cover and is connected with the second hollow supporting block of the cleaning piece 85, so that water in the first water inlet pipe 823 can be drained to the wiping cloth block of the cleaning piece.
In order to better control the air flow on the main air pipe 811, in the present invention, an air inlet valve is provided on the main air pipe 811. The magnitude of the air flow can be controlled through the air inlet valve. The second inlet pipe 824 is provided with a valve so that the amount of water flowing to the second roller 73 can be controlled by the valve.
According to the invention, the drying part, the cleaning part and the dust removing part are sequentially arranged in the arc-shaped limiting cover from top to bottom, so that dust is firstly removed from the handrail belt in the grooves on two sides of the automatic handrail ladder through the dust removing part, then the handrail belt is cleaned through the cleaning part, and finally the drying part is used for drying, so that the handrail belt in the grooves on two sides of the automatic handrail ladder is subjected to running water type cleaning, and after the surface of the handrail belt is cleaned through the second roller, the moisture on the surface of the handrail belt is dried through the first roller and the hot air blower, so that the surface of the handrail belt is cleaned.
In a word, when the automatic handrail cleaning device is used, the cleaning module is rotated onto the handrail of the handrail ladder through the motor and the rotating shaft, then the arc limiting cover is buckled on the handrail of the escalator through the telescopic rod, the surface of the handrail is cleaned through the first rolling shaft and the second rolling shaft, the first air guide pipe and the second air guide pipe are both connected with the first four-way valve through the quick connector, the first water inlet pipe and the second water inlet pipe are both connected with the second four-way valve through the quick connector, and therefore the handrail in grooves on two sides of the escalator is cleaned and dried through the cleaning piece and the drying piece; when the device is not used, the first air guide pipe and the second air guide pipe are detached from the first four-way valve, and the first water inlet pipe and the second water inlet pipe are detached from the second four-way valve; folding the cleaning module by the motor and the rotating shaft and leaning against the side face of the handrail belt for retraction, and removing the air heater 81, the water tank 82 and the water storage tank 83, so that pedestrians cannot be prevented from walking on the automatic handrail ladder; the invention is convenient to use and can effectively clean the surface of the handrail belt.
The foregoing description is only of the preferred embodiments of the invention, and all changes and modifications that come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Claims (3)
1. A foldable cleaning device, characterized in that: the device is arranged on the side face of the automatic handrail ladder in a foldable mode and comprises a motor, two bearings and a rotating shaft, wherein the two bearings are fixed on the side face of the automatic handrail ladder, the rotating shaft is arranged between the two bearings, the top of the rotating shaft is connected with a rotating shaft of the motor, the motor drives the rotating shaft to rotate forwards or reversely, two telescopic rods are transversely arranged on the rotating shaft, the tail parts of the two telescopic rods are connected with a fixed plate, a cleaning module is fixed on the side face of the fixed plate, the cleaning module comprises an arc limiting cover, the arc limiting cover can be buckled on the handrail belt of the automatic handrail, and the section of the arc limiting cover is U-shaped; at least three first rollers are transversely arranged on the inner side of the upper part of the arc-shaped limiting cover, at least three second rollers are transversely arranged on the inner side of the lower part of the arc-shaped limiting cover, and cleaning cloth is wound on the second rollers; the side plate bottom of the arc limiting cover is obliquely upwards provided with a water baffle, two sides of the water baffle, the side plate and the arc limiting cover form a water containing tank, and a water diversion pipe is connected to the water containing tank.
2. A foldable cleaning device according to claim 1, characterized in that: the telescopic rod is a stainless steel telescopic rod or a telescopic cylinder.
3. A foldable cleaning device according to claim 1, characterized in that: one end surface of the rag is provided with a male magic tape, and the bottom surface of the other end of the rag is provided with a female magic tape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810094546.6A CN108190716B (en) | 2018-01-31 | 2018-01-31 | Foldable cleaning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810094546.6A CN108190716B (en) | 2018-01-31 | 2018-01-31 | Foldable cleaning device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108190716A CN108190716A (en) | 2018-06-22 |
| CN108190716B true CN108190716B (en) | 2023-08-25 |
Family
ID=62591443
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810094546.6A Active CN108190716B (en) | 2018-01-31 | 2018-01-31 | Foldable cleaning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108190716B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1997037925A1 (en) * | 1996-04-09 | 1997-10-16 | Jentje Johanna Van Veen | Cleaning device for a handrail belt |
| JP2005324968A (en) * | 2005-06-13 | 2005-11-24 | Shuitsu Uesugi | Escalator handrail belt cleaning device |
| CN102030252A (en) * | 2010-12-30 | 2011-04-27 | 北京印刷学院 | Cleaning machine for escalator handrails |
| CN102134039A (en) * | 2010-01-25 | 2011-07-27 | 林美淑 | Armrest cleaning device |
| CN205603027U (en) * | 2016-05-11 | 2016-09-28 | 王廷梅 | Escalator handrail belt cleaning device |
| CN106241587A (en) * | 2016-08-11 | 2016-12-21 | 周晗生 | Automatic cleaning apparatus |
| CN106362973A (en) * | 2016-09-30 | 2017-02-01 | 国网山东省电力公司商河县供电公司 | Single-drive multi-gear linkage insulator cleaning device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9856115B2 (en) * | 2015-06-20 | 2018-01-02 | Christian E Thomsen | Systems and methods for handrail cleaning |
-
2018
- 2018-01-31 CN CN201810094546.6A patent/CN108190716B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1997037925A1 (en) * | 1996-04-09 | 1997-10-16 | Jentje Johanna Van Veen | Cleaning device for a handrail belt |
| JP2005324968A (en) * | 2005-06-13 | 2005-11-24 | Shuitsu Uesugi | Escalator handrail belt cleaning device |
| CN102134039A (en) * | 2010-01-25 | 2011-07-27 | 林美淑 | Armrest cleaning device |
| CN102030252A (en) * | 2010-12-30 | 2011-04-27 | 北京印刷学院 | Cleaning machine for escalator handrails |
| CN205603027U (en) * | 2016-05-11 | 2016-09-28 | 王廷梅 | Escalator handrail belt cleaning device |
| CN106241587A (en) * | 2016-08-11 | 2016-12-21 | 周晗生 | Automatic cleaning apparatus |
| CN106362973A (en) * | 2016-09-30 | 2017-02-01 | 国网山东省电力公司商河县供电公司 | Single-drive multi-gear linkage insulator cleaning device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108190716A (en) | 2018-06-22 |
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Effective date of registration: 20230731 Address after: No. 16, Xukeng Village, Dayuan Township, Jiangle County, Sanming, Fujian Province 353308 Applicant after: Zhang Wen Address before: 350200 Shimenli 81, Shiyan Village, Hangcheng, Changle City, Fuzhou City, Fujian Province Applicant before: Chi Yunfei |
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