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CN203356137U - Electric cleaning device for road and tunnel lamps - Google Patents

Electric cleaning device for road and tunnel lamps Download PDF

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Publication number
CN203356137U
CN203356137U CN 201320382732 CN201320382732U CN203356137U CN 203356137 U CN203356137 U CN 203356137U CN 201320382732 CN201320382732 CN 201320382732 CN 201320382732 U CN201320382732 U CN 201320382732U CN 203356137 U CN203356137 U CN 203356137U
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China
Prior art keywords
water
cleaning device
rotary joint
tunnel lamp
electric road
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Expired - Fee Related
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CN 201320382732
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Chinese (zh)
Inventor
邹小春
欧卫东
苏宇峰
郭兴隆
袁源
代文可
蒋明星
刘言
韩拓
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China Merchants Chongqing Communications Research and Design Institute Co Ltd
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China Merchants Chongqing Communications Research and Design Institute Co Ltd
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Priority to CN 201320382732 priority Critical patent/CN203356137U/en
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Abstract

本实用新型公开了一种电动式公路及隧道灯具清洁装置,在升降台(2)上支撑有小型升降车(3),该小型升降车(3)的顶部装有第一旋转关节(4),第一旋转关节(4)的旋转轴与两个第二旋转关节(5)连接,这两个第二旋转关节(5)的旋转轴与第一旋转关节(4)的旋转轴相垂直,在其中一个第二旋转关节(5)的旋转轴上安装除尘器,另一个第二旋转关节(5)的旋转轴上安装清洁器。本实用新型能够对公路及隧道灯具进行清洁,在确保清洁程度高的同时,清洁一个灯具只需20-30秒,大大节约了清洁时间,降低了安全隐患;本实用新型仅需一人即可操作,操作方便,能有效节约劳动力,并降低操作人员的劳动强度。

The utility model discloses an electric road and tunnel lamp cleaning device. A small lifting car (3) is supported on the lifting platform (2). The top of the small lifting car (3) is equipped with a first rotary joint (4). , the rotation axis of the first revolving joint (4) is connected with two second revolving joints (5), the rotation axes of the two second revolving joints (5) are perpendicular to the rotation axis of the first revolving joint (4), A dust collector is installed on the rotating shaft of one of the second rotating joints (5), and a cleaner is installed on the rotating shaft of the other second rotating joint (5). The utility model can clean road and tunnel lamps. While ensuring a high degree of cleaning, it only takes 20-30 seconds to clean a lamp, which greatly saves cleaning time and reduces potential safety hazards; the utility model only needs one person to operate , easy to operate, can effectively save labor and reduce the labor intensity of operators.

Description

Electrodynamic type highway and tunnel lamp cleaning device
Technical field
The utility model relates to highway and tunnel traffic operation field, and specifically, the particularly lighting device for fast cleaning in a kind of highway and tunnel thereof, be mainly used in the clean of lighting in highway and Road Tunnel Environment.
Background technology
Highway and highway tunnel traffic be unable to do without illumination.Highway and highway tunnel lighting lamp tool are in use, because the dust of atmosphere itself, dust that mechanical transport causes, greasy dirt etc. cover on the lamp luminescence face, to cause illumination efficiency to descend, can have a strong impact on road safety, thus the highway lighting light fixture especially the tunnel illumination light fixture all need to clean on schedule.Clean method at present commonly used is clean for total man's work, and personnel are with wiping lamp luminescence faces such as towel, cleaning agents on climbing frame, and the shortcoming of artificial clean method mainly contains:
(1) take manpower many: more than each clean group generally needs 2-3 people;
(2) length consuming time: a desk lamp tool generally needs 2-3min; Length consuming time means that sealing track, the time that affect traffic are long, and the possibility had an accident increase;
(3) labour intensity is large, personnel's work under bad environment: especially, in tunnel, personnel will work the long period in the foul atmosphere in tunnel.
The utility model content
Technical problem to be solved in the utility model be to provide a kind of simple to operate, can carry out clean electrodynamic type cleaning device to highway and tunnel lamp fast.
The technical solution of the utility model is as follows: a kind of electrodynamic type highway and tunnel lamp cleaning device, the vehicle (1) that comprises band lifting platform (2), in described lifting platform (2) upper support, small-sized lift truck (3) is arranged, the first rotary joint (4) is equipped with at the top of this small-sized lift truck (3), the rotating shaft of described the first rotary joint (4) is vertically arranged, and the rotating shaft of the first rotary joint (4) is connected with two the second rotary joints (5), the rotating shaft of the rotating shaft of these two the second rotary joints (5) and the first rotary joint (4) is perpendicular, on the rotating shaft of described second rotary joint (5), deduster is installed therein, on the rotating shaft of another described the second rotary joint (5), cleaner is installed.
When the utility model is clean for highway or highway tunnel lighting lamp tool, first will clean vehicle and reach the lighting position, then controlling lifting platform rises, cleaning unit on lifting platform is risen to the about 30cm in lighting height below, then operating personnel control small-sized lift truck towards moving near the direction of lighting, to shorten the distance of deduster and cleaner and lighting, after moving into place, the first rotary joint work, the rotating shaft of this first rotary joint drives two the second rotary joints and deduster, cleaner rotates together in horizontal plane, make deduster move to the position of corresponding lighting, control again corresponding the second rotary joint work of deduster, deduster is moved up in the vertical direction around the rotating shaft of the second rotary joint, enter operating position, deduster is started working, clear away lighting light-emitting area dust in the mode of xerotripsis, after dedusting completes, the first rotary joint work, deduster is removed, and cleaner moves to the position of corresponding lighting, by corresponding the second rotary joint work of cleaner, cleaner is moved up in the vertical direction again, enter operating position, open cleaner and can carry out the wet rubbing operation, until the clean of this lighting completes.Vehicle mobile, to next lighting place, carries out cleaning operation in a manner described; After all lightings have cleaned, lifting platform descends, and administrative office left go back to by vehicle.
The utility model adopts the lifting platform of vehicle self-carrying, and stroke fast lifting cleaning unit greatly, to save time; Be equipped with again small-sized lift truck, can be in the position of the little stroke adjustment deduster of short transverse and cleaner, with the height and position of adaptating lighting light fixture.Lifting platform and small-sized lift truck combine, and can adapt to the clean height more than 5 meters, to meet the height needs of different highways or highway tunnel lighting lamp tool.The utility model adopts the first rotary joint to match with the second rotary joint, then is aided with small-sized lift truck, can, in the position of any angle adjustment deduster and cleaner, the requirement of multi-angle be installed to adapt to the tunnel illumination light fixture.The mode of the clean lighting of the utility model, adopt first xerotripsis after wet rubbing combine, clean-up performance is higher, and the utility model only needs a people to operate, not only easy to operate, quick, labour intensity is low, and cleaning time shortens dramatically than manual type, effectively reduce potential safety hazard.
Described deduster is comprised of hairbrush (6), the first reducing motor (7) and the first swing arm (8), described hairbrush (6) is installed on the main shaft of the first reducing motor (7), this the first reducing motor (7) is fixed on an end of the first swing arm (8), and the other end of the first swing arm (8) connects with the rotating shaft of corresponding the second rotary joint (5).Above structure is easy to assembling, and deduster integral body is good around the synchronism of the second rotary joint rotation axis oscillating; Adopt reducing motor directly to drive hairbrush to carry out xerotripsis to lighting, the cleaning dust not only fast but also thorough.
Described cleaner is comprised of cleaning brush (9), the second reducing motor (10) and the second swing arm (11), described cleaning brush (9) is installed on the main shaft of the second reducing motor (10), the second reducing motor (10) is fixed on an end of the second swing arm (11), and the other end of the second swing arm (11) connects with the rotating shaft of corresponding the second rotary joint (5).Above structure is easy to assembling, and cleaner integral body is good around the synchronism of the second rotary joint rotation axis oscillating; Adopt reducing motor directly to drive cleaning brush to carry out wet rubbing to lighting, can improve cleaning efficiency, guarantee cleaning effect.
In described lifting platform (2) upper support, filtered water tank (15) is arranged, the first water pump (14) is installed at the top of this filtered water tank (15), the internal communication of the water inlet of described the first water pump (14) and filtered water tank (15), the delivery port of the first water pump (14) is connected with an end of the first water pipe (13), at the other end of the first water pipe (13), clear water shower nozzle (12) is installed.After xerotripsis completes, can start the first water pump, the first water pump is extracted out the clear water in filtered water tank, and flow to the clear water shower nozzle through the first water pipe, finally from the clear water shower nozzle, spray to lighting, cleaning brush swipes back and forth at the lamp luminescence face simultaneously, can realize quick wet rubbing.Filtered water tank is arranged on lifting platform, can shorten the flow process of clear water, for water spray saves time.
On the side of described filtered water tank (15), cleaning solution case (16) is set, this cleaning solution case (16) is supported on lifting platform (2), at the top of cleaning solution case (16), the second water pump (17) is installed, the internal communication of the water inlet of described the second water pump (17) and cleaning solution case (16), the delivery port of the second water pump (17) is connected with an end of the second water pipe (18), at the other end of the second water pipe (18), cleaning solution shower nozzle (19) is installed.Before the spray clear water, can first start the second water pump, the second water pump is extracted out the cleaning solution in the cleaning solution case, and flow to the cleaning solution shower nozzle through the second water pipe, finally from the cleaning solution shower nozzle, spray to lighting, cleaning brush swipes back and forth at the lamp luminescence face simultaneously; And then the spray clear water, cleaning brush continues to swipe.The greasy dirt of lamp luminescence face can be removed by cleaning solution, clean effect can be further guaranteed.The cleaning solution case is arranged on lifting platform, can shorten the flow process of cleaning solution, for the spray cleaning solution saves time.
For the ease of mobile shower nozzle, to be sprayed water or sprayed cleaning solution in order to aim at lighting, described the first water pipe (13) and the second water pipe (18) are flexible pipe.
For convenient mobile and location, the wheel (20) of strap brake all is housed at the place, four angles of described small-sized lift truck (3) bottom.
In order to realize the fast lifting of lifting platform, it is upper that described lifting platform (2) is arranged on vehicle (1) by elevating mechanism, and described elevating mechanism is scissor structure or folding-jib structure or column type structure.
Beneficial effect: the utlity model has reasonable in designly, simple in structure, assembling easily, the characteristics such as production cost is low, can be cleaned highway and tunnel lamp, when guaranteeing that clean-up performance is high, a clean light fixture only needs 20-30 second, has greatly saved cleaning time, has reduced potential safety hazard; The utility model only needs a people to operate, easy to operate, can effectively save the labour, and reduces operating personnel's labour intensity.
The accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
The structural representation that Fig. 2 is deduster and cleaner.
The layout schematic diagram that Fig. 3 is the first rotary joint, the second rotary joint and small-sized lift truck.
The specific embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail:
As shown in Figure 1, vehicle 1 is general motor vehicle, be provided with lifting platform 2 on the car body of this vehicle 1, described lifting platform 2 is arranged on vehicle 1 by elevating mechanism, elevating mechanism can be selected scissor structure, also can select the folding-jib structure, can also select column type structure or other similar structure, as long as can realize the rising of lifting platform or descend.Described elevating mechanism is prior art, and its structure and control mode are not done and repeated at this.
As shown in Figure 1, Figure 2, Figure 3 shows, in lifting platform 2 upper supports, small-sized lift truck 3 is arranged, the wheel 20 of strap brake all is equipped with at the place, four angles of these small-sized lift truck 3 bottoms, so that small-sized lift truck 3 moves and locates on lifting platform 2, the movement of small-sized lift truck 3 can, by Manual-pushing, also can adopt motor to drive.Simultaneously, small-sized lift truck 3 has elevating function, can make the platform at its top rise or descend.The first rotary joint 4 is housed on the platform at small-sized lift truck 3 tops, the rotating shaft of described the first rotary joint 4 is vertically arranged, and can in horizontal plane, rotate, and the rotating shaft of the first rotary joint 4 is connected with two the second rotary joints 5 by connecting rod, these two the second rotary joint 5 front and back are arranged, and being positioned at sustained height, the rotating shaft of two the second rotary joints 5 and the rotating shaft of the first rotary joint 4 are perpendicular.
As shown in Figure 1, Figure 2, Figure 3 shows, on the rotating shaft of described second rotary joint 5, deduster is installed therein, on the rotating shaft of another described the second rotary joint 5, cleaner is installed.Described deduster is comprised of hairbrush 6, the first reducing motor 7 and the first swing arm 8, described hairbrush 6 is installed on the main shaft of the first reducing motor 7, this first reducing motor 7 is fixed on an end of the first swing arm 8, and the other end of the first swing arm 8 connects with the rotating shaft of corresponding the second rotary joint 5.Described cleaner is comprised of cleaning brush 9, the second reducing motor 10 and the second swing arm 11, described cleaning brush 9 is installed on the main shaft of the second reducing motor 10, the second reducing motor 10 is fixed on an end of the second swing arm 11, and the other end of the second swing arm 11 connects with the rotating shaft of corresponding the second rotary joint 5.
As shown in Figure 1, in lifting platform 2 upper supports, filtered water tank 15 is arranged, the first water pump 14 is installed at the top of this filtered water tank 15, the internal communication of the water inlet of described the first water pump 14 and filtered water tank 15, the delivery port of the first water pump 14 is connected with an end of the first water pipe 13, the first water pipe 13 is preferably flexible pipe, at the other end of the first water pipe 13, clear water shower nozzle 12 is installed.On the side of described filtered water tank 15, cleaning solution case 16 is set, this cleaning solution case 16 is supported on lifting platform 2, the second water pump 17 is installed at the top of cleaning solution case 16, the internal communication of the water inlet of described the second water pump 17 and cleaning solution case 16, the delivery port of the second water pump 17 is connected with an end of the second water pipe 18, the second water pipe 18 is preferably flexible pipe, at the other end of the second water pipe 18, cleaning solution shower nozzle 19 is installed.
The highway tunnel illumination of take cleans as example, and the course of work of the present utility model is as follows:
(1) vehicle 1 reaches tunnel illumination light fixture 21 positions, horizontal range 1m left and right;
(2) control lifting platform 2 and rise, the cleaning unit on lifting platform 2 is risen to the tunnel illumination light fixture 21 about 30cm in height below;
(3) operating personnel control small-sized lift truck 3 towards moving near the direction of tunnel illumination light fixture 21, to shorten the distance between cleaning unit and tunnel illumination light fixture 21;
(4) first rotary joint 4 work, two the second rotary joints 5 of rotating shaft drive of this first rotary joint 4 and deduster, cleaner rotate together in horizontal plane, make deduster move to the position of corresponding lighting, control again corresponding the second rotary joint 5 work of deduster, make deduster upwards swing in the vertical direction certain angle around the rotating shaft of the second rotary joint 5, the hairbrush 6 of deduster enters operating position;
(5) start the first reducing motor 7, make the first reducing motor 7 band electric brush 6 rotary works, in the mode of xerotripsis, clear away lighting light-emitting area dust;
(6) after dedusting completes, the first rotary joint 4 work, deduster is removed, and cleaner moves to the position of corresponding lighting, again by corresponding the second rotary joint 5 work of cleaner, make cleaner upwards swing in the vertical direction certain angle, the cleaning brush 9 of cleaner enters operating position;
(7) start the second water pump 17, the second water pump 17 is extracted out the cleaning solution in cleaning solution case 16, and flow to cleaning solution shower nozzle 19 through the second water pipe 18, and finally from cleaning solution shower nozzle 19, spraying to the lighting light-emitting area, cleaning brush 9 swipes 5s back and forth at the lamp luminescence face simultaneously; Then start the first water pump 14, the first water pump 14 is extracted out the clear water in filtered water tank 15, and flow to clear water shower nozzle 12 through the first water pipe 13, finally from clear water shower nozzle 12 to the lighting light-emitting area, spray clear water 5s, cleaning brush 9 continues to swipe;
(8) cleaned, vehicle mobile, to next lighting place, repeats above-mentioned (1) to (7);
(9) after all lightings have cleaned, lifting platform 2 descends, and administrative office left go back to by vehicle.
Clean highway lighting light fixture is identical with the cleaning course of above-mentioned tunnel lamp, and therefore not to repeat here.
Although below by reference to the accompanying drawings preferred embodiment of the present utility model is described, but the utility model is not limited to the above-mentioned specific embodiment, the above-mentioned specific embodiment is only schematic rather than determinate, those of ordinary skill in the art is under enlightenment of the present utility model, under the prerequisite without prejudice to the utility model aim and claim, can make like multiple types and meaning, as change the structure of deduster or cleaner, perhaps cleaner is set to carry the structure of water spray, perhaps change the structure of small-sized lift truck etc., within such conversion all falls into protection domain of the present utility model.

Claims (8)

1.一种电动式公路及隧道灯具清洁装置,包括带升降台(2)的车辆(1),其特征在于:在所述升降台(2)上支撑有小型升降车(3),该小型升降车(3)的顶部装有第一旋转关节(4),所述第一旋转关节(4)的旋转轴沿竖直方向布置,且第一旋转关节(4)的旋转轴与两个第二旋转关节(5)连接,这两个第二旋转关节(5)的旋转轴与第一旋转关节(4)的旋转轴相垂直,在其中一个所述第二旋转关节(5)的旋转轴上安装除尘器,另一个所述第二旋转关节(5)的旋转轴上安装清洁器。1. An electric road and tunnel lamp cleaning device, including a vehicle (1) with a lifting platform (2), characterized in that: a small lifting vehicle (3) is supported on the lifting platform (2), the small The top of the lifting car (3) is equipped with a first rotary joint (4), the rotary shaft of the first rotary joint (4) is arranged along the vertical direction, and the rotary shaft of the first rotary joint (4) is connected with the two second Two revolving joints (5) are connected, the rotation axes of the two second revolving joints (5) are perpendicular to the rotation axis of the first revolving joint (4), and the rotation axis of one of the second revolving joints (5) A dust collector is installed on the top, and a cleaner is installed on the rotating shaft of the second rotary joint (5). 2.根据权利要求1所述的电动式公路及隧道灯具清洁装置,其特征在于:所述除尘器由毛刷(6)、第一减速电机(7)和第一摆臂(8)组成,所述毛刷(6)安装于第一减速电机(7)的主轴上,该第一减速电机(7)固定在第一摆臂(8)的一端,第一摆臂(8)的另一端与对应的第二旋转关节(5)的旋转轴连接。2. The electric road and tunnel lamp cleaning device according to claim 1, characterized in that: the dust collector is composed of a brush (6), a first reduction motor (7) and a first swing arm (8), The brush (6) is installed on the main shaft of the first reduction motor (7), the first reduction motor (7) is fixed at one end of the first swing arm (8), and the other end of the first swing arm (8) It is connected with the rotation shaft of the corresponding second rotary joint (5). 3.根据权利要求1或2所述的电动式公路及隧道灯具清洁装置,其特征在于:所述清洁器由清洁刷(9)、第二减速电机(10)和第二摆臂(11)组成,所述清洁刷(9)安装于第二减速电机(10)的主轴上,第二减速电机(10)固定在第二摆臂(11)的一端,第二摆臂(11)的另一端与对应的第二旋转关节(5)的旋转轴连接。3. The electric road and tunnel lamp cleaning device according to claim 1 or 2, characterized in that: the cleaner is composed of a cleaning brush (9), a second reduction motor (10) and a second swing arm (11) The cleaning brush (9) is installed on the main shaft of the second reduction motor (10), the second reduction motor (10) is fixed on one end of the second swing arm (11), and the other end of the second swing arm (11) One end is connected with the corresponding rotating shaft of the second rotating joint (5). 4.根据权利要求3所述的电动式公路及隧道灯具清洁装置,其特征在于:在所述升降台(2)上支撑有清水箱(15),该清水箱(15)的顶部安装第一水泵(14),所述第一水泵(14)的进水口与清水箱(15)的内部连通,第一水泵(14)的出水口与第一水管(13)的一端相连接,在第一水管(13)的另一端安装清水喷头(12)。4. The electric road and tunnel lamp cleaning device according to claim 3, characterized in that: a fresh water tank (15) is supported on the lifting platform (2), and a first Water pump (14), the water inlet of the first water pump (14) communicates with the inside of the clean water tank (15), the water outlet of the first water pump (14) is connected with one end of the first water pipe (13), and the first The other end of water pipe (13) is installed clear water nozzle (12). 5.根据权利要求4所述的电动式公路及隧道灯具清洁装置,其特征在于:在所述清水箱(15)的旁边设置清洁液箱(16),该清洁液箱(16)支撑于升降台(2)上,在清洁液箱(16)的顶部安装第二水泵(17),所述第二水泵(17)的进水口与清洁液箱(16)的内部连通,第二水泵(17)的出水口与第二水管(18)的一端相连接,在第二水管(18)的另一端安装清洁液喷头(19)。5. The electric road and tunnel lamp cleaning device according to claim 4, characterized in that: a cleaning liquid tank (16) is provided beside the clean water tank (15), and the cleaning liquid tank (16) is supported by a lift On the platform (2), a second water pump (17) is installed on the top of the cleaning liquid tank (16), the water inlet of the second water pump (17) communicates with the inside of the cleaning liquid tank (16), and the second water pump (17 ) is connected to one end of the second water pipe (18), and a cleaning liquid nozzle (19) is installed at the other end of the second water pipe (18). 6.根据权利要求5所述的电动式公路及隧道灯具清洁装置,其特征在于:所述第一水管(13)和第二水管(18)均为软管。6. The electric road and tunnel lamp cleaning device according to claim 5, characterized in that: the first water pipe (13) and the second water pipe (18) are hoses. 7.根据权利要求1或4或5或6所述的电动式公路及隧道灯具清洁装置,其特征在于:在所述小型升降车(3)底部的四个角处均装有带刹车的车轮(20)。7. The electric road and tunnel lamp cleaning device according to claim 1 or 4 or 5 or 6, characterized in that: wheels with brakes are installed at the four corners of the bottom of the small lift truck (3) (20). 8.根据权利要求1或4或5所述的电动式公路及隧道灯具清洁装置,其特征在于:所述升降台(2)通过升降机构安装在车辆(1)上,所述升降机构为剪叉式结构或折臂式结构或桅柱式结构。8. The electric road and tunnel lamp cleaning device according to claim 1, 4 or 5, characterized in that: the lifting platform (2) is installed on the vehicle (1) through a lifting mechanism, and the lifting mechanism is a scissors Fork structure or folding arm structure or mast structure.
CN 201320382732 2013-06-28 2013-06-28 Electric cleaning device for road and tunnel lamps Expired - Fee Related CN203356137U (en)

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CN105251710A (en) * 2015-11-13 2016-01-20 昆山联滔电子有限公司 Cleaning machine
CN106540896A (en) * 2016-09-29 2017-03-29 马艳敏 A kind of cleaning device of range hood
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CN108091266A (en) * 2017-12-25 2018-05-29 苏州锐创广告有限公司 A kind of bus-stop billboard with cleaning function
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CN108154805A (en) * 2017-12-25 2018-06-12 苏州锐创广告有限公司 A kind of bus-stop billboard
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CN109047060A (en) * 2018-08-15 2018-12-21 山东省交通规划设计院 A kind of tunnel overhaul road facade mark automatic cleaning apparatus and working method
CN109163266A (en) * 2018-04-05 2019-01-08 扬州市松佳照明电器有限公司 A kind of adjustable street lamp with self-cleaning function of range of exposures
CN111515175A (en) * 2020-04-28 2020-08-11 广东电网有限责任公司 Sterilization and algae removal equipment suitable for transformer radiating fins
CN113145506A (en) * 2021-03-02 2021-07-23 无锡安邦电气股份有限公司 Lampshade cleaning device for traffic signal lamp and using method thereof

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105251710A (en) * 2015-11-13 2016-01-20 昆山联滔电子有限公司 Cleaning machine
CN105251710B (en) * 2015-11-13 2017-07-21 昆山联滔电子有限公司 Cleaning machine
CN107116558A (en) * 2016-02-24 2017-09-01 中国科学院沈阳自动化研究所 A kind of robot device of power transformating and supplying facility detection
CN106540896A (en) * 2016-09-29 2017-03-29 马艳敏 A kind of cleaning device of range hood
CN108091266A (en) * 2017-12-25 2018-05-29 苏州锐创广告有限公司 A kind of bus-stop billboard with cleaning function
CN108091267A (en) * 2017-12-25 2018-05-29 苏州锐创广告有限公司 A kind of municipal administration bus-stop billboard
CN108154805A (en) * 2017-12-25 2018-06-12 苏州锐创广告有限公司 A kind of bus-stop billboard
CN108496525A (en) * 2018-03-29 2018-09-07 深圳市贝优通新能源技术开发有限公司 A kind of safe and reliable grass trimmer convenient for adjusting mowing height
CN109163266A (en) * 2018-04-05 2019-01-08 扬州市松佳照明电器有限公司 A kind of adjustable street lamp with self-cleaning function of range of exposures
CN109047060A (en) * 2018-08-15 2018-12-21 山东省交通规划设计院 A kind of tunnel overhaul road facade mark automatic cleaning apparatus and working method
CN111515175A (en) * 2020-04-28 2020-08-11 广东电网有限责任公司 Sterilization and algae removal equipment suitable for transformer radiating fins
CN113145506A (en) * 2021-03-02 2021-07-23 无锡安邦电气股份有限公司 Lampshade cleaning device for traffic signal lamp and using method thereof

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