CN107313381A - A kind of movable type cleaning device and method of isolation guardrail - Google Patents
A kind of movable type cleaning device and method of isolation guardrail Download PDFInfo
- Publication number
- CN107313381A CN107313381A CN201710752216.7A CN201710752216A CN107313381A CN 107313381 A CN107313381 A CN 107313381A CN 201710752216 A CN201710752216 A CN 201710752216A CN 107313381 A CN107313381 A CN 107313381A
- Authority
- CN
- China
- Prior art keywords
- cleaning
- isolation guardrail
- movable type
- isolation
- round brush
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01H—STREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; DISPERSING OR PREVENTING FOG IN GENERAL CLEANING STREET OR RAILWAY FURNITURE OR TUNNEL WALLS
- E01H1/00—Removing undesirable matter from roads or like surfaces, with or without moistening of the surface
- E01H1/005—Mobile installations, particularly for upkeeping in situ road or railway furniture, for instance road barricades, traffic signs; Mobile installations particularly for upkeeping tunnel walls
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Cleaning In General (AREA)
Abstract
The invention discloses a kind of movable type cleaning device and method of isolation guardrail, including mobile water tank and the cleaning machine that cleaning is moved along isolation guardrail, the mobile water tank supplies water with cleaning machine and is connected setting；The cleaning machine includes two cleaning parts for being symmetricly set on isolation guardrail both sides, the door type structure of two cleaning part formation cladding isolation guardrail both sides；The structure of two cleaning parts is identical, and the cleaning part includes the jetter set gradually along cleaning moving direction, rotation cleaning device, swab and drying unit, the rotation cleaning device, swab and drying unit synchronize driving setting by being arranged on the drive device of cleaning part inner tip.The present invention provides a kind of movable type cleaning device and method of isolation guardrail, it is possible to reduce the waste of water resource, and cleaning efficiency is high, cost is low and simple to operate.
Description
Technical field
The invention belongs to environmental sanitation cleaning equipment field, the movable type cleaning equipment of more particularly to a kind of isolation guardrail and side
Method.
Background technology
As urban road is more and more wider, more and more, in order to which car lane is separated with bicycle lane on road,
Being set up on road has isolation guardrail, and guardrail can save bit by bit substantial amounts of dust outside for a long time, influences city look and feel, existing way
It is that street cleaner is open sprinkling truck and rinsed using giant, substantial amounts of water resource waste is so easily caused, while being also easy to make
Splashed into the globule, influence pedestrian and vehicle, and also labor intensity is big, and operating efficiency is low, and most of guardrail is placed in road
Centre, easily occurs security incident during cleaning；Also use Cleaning vehicle for guardrail, advantage is that cleaning efficiency is high, operating speed is fast, is had the disadvantage
Vehicle manufacturing cost is higher, and price is higher, therefore use cost is high, and driver's one man operation is controlled when using, to driving
The person's of sailing technical requirements height, and the waste of more waste water and water resource can be caused, cleaning vehicle travel speed is easily caused slowly excessively
Traffic congestion, makes troubles to people's trip, influences road traffic.
The content of the invention
Goal of the invention：In order to overcome the deficiencies in the prior art, the present invention provides a kind of movable type of isolation guardrail
Cleaning equipment and method, it is possible to reduce the waste of water resource, and cleaning efficiency is high, cost is low and simple to operate.
Technical scheme：To achieve the above object, technical scheme is as follows：
A kind of movable type cleaning equipment of isolation guardrail, including mobile water tank and move the clear of cleaning along isolation guardrail
Washing machine, the mobile water tank supplies water with cleaning machine and is connected setting；The cleaning machine is symmetricly set on isolation guardrail two comprising two
The cleaning part of side, the door type structure of two cleaning part formation cladding isolation guardrail both sides；The structure of two cleaning parts
It is identical, and the cleaning part include along cleaning moving direction set gradually jetter, rotate cleaning device, swab and
Drying unit, the rotation cleaning device, the driving of swab and drying unit by being arranged on cleaning part inner tip
Device synchronizes driving and set.
Further, the jetter includes being arranged on the storage tank of cleaning machine enclosure interior and is arranged on storage tank
Sprayer, the upper and lower spacing of two sprayers set, and two sprayers stretch out cleaning machine hull outsides, and described
The spray holes of sprayer are set towards isolation guardrail.
Further, the rotation cleaning device includes at least one rotation cleaning round brush cylinder, described to rotate cleaning round brush
Cylinder is driven by drive device and set, and the cleaning round brush cylinder that rotates is vertically arranged, and described rotate is set on cleaning round brush cylinder
There are some cleaning cloths, when the rotation cleaning round brush cylinder is rotated, cleaning cloth and isolation guardrail in two cleaning parts
Contact with each other.
Further, the swab is set with rotating cleaning round brush cylinder spacing, and the swab includes rotating shaft
With at least one rub body, the rotating shaft is rotated by drive device and set, and the rub body spacing is set in rotating shaft, and the wiping
Body can be moved back and forth along rotating shaft is upper and lower.
Further, spacing is provided with two ring-shaped cam grooves, the endoporus of the rub body and set on the shaft circumference wall
The lead perpendicular to axis is equipped with, the lead, which is plugged, to be put in cam path, the cam path and lead formation cylinder are convex
Wheel construction；It is provided with the outside of the rub body on guide rail, the side wall of the cleaning machine housing and is provided with chute, the guide rail is slided and set
Put in the chute.
Further, the cleaning and polishing end cladding of the rub body is provided with flexible layer, and envelope is formed between the flexible layer and rub body
Inert gas is filled with the cavity closed, the cavity.
Further, the drying unit includes rotating bar, and the rotating bar is rotated by drive device and set, described turn
Lever is the solid hollow cylinder in two ends, and the inner tip of the hollow cylinder is provided with the small-sized fanses dried down, and institute
State hollow cylinder inwall and be provided with some resistive heaters, the wall body of the rotating bar and be provided with some through holes.
Further, some through holes are inclined hole, and the direction of some through holes is different.
Further, supporting plate is provided with the cleaning part, the rotation cleaning round brush cylinder, rotating shaft and rotating bar turn
It is dynamic to set on the supporting plate, and the drive end for rotating cleaning round brush cylinder, rotating shaft and rotating bar is provided with gear structure；
The drive device is set on the supporting plate, and the drive device includes motor, driving gear and gear and passed
Dynamic band, the gear drive band engages setting, and the tooth with rotating the drive end of cleaning round brush cylinder, rotating shaft and rotating bar respectively
Some tension poles are provided with the outside of wheel transmission belt, the motor driving driving gear is with rotating cleaning round brush cylinder engaged transmission
Set.
A kind of method of the movable type cleaning equipment of isolation guardrail：Direction of the cleaning machine along isolation guardrail is promoted to move
It is dynamic, start cleaning machine, sprayer first carries out humidifying processing to isolation guardrail, afterwards by two groups of rotation cleaning devices carry out to every
Carry out rotation cleaning from guardrail, remove the dust on guardrail, and by two rub bodies that can be moved up and down it is further to every
The moisture on isolation guardrail is wiped and reduced from guardrail, and then isolation guardrail is dried by drying unit.
Beneficial effect：The present invention can reduce the waste of water resource, and avoid deposition of the waste water on road, and equipment volume
Moderate, using flexible, compared to large-scale cleaning vehicle, it is not necessary to driving technology, ordinary person is operable completion, and cleaning efficiency
It is high.
Brief description of the drawings
Accompanying drawing 1 is overall structure diagram of the invention；
Accompanying drawing 2 is the overall structure diagram of the cleaning machine of the present invention；
Accompanying drawing 3 is the inside configuration schematic diagram of the cleaning machine of the present invention；
Accompanying drawing 4 is the internal structure front view of the cleaning machine of the present invention；
Accompanying drawing 5 is the knot explosive view of the swab of the present invention；
Accompanying drawing 6 is rub body structure top view of the invention；
Accompanying drawing 7 is the sectional view of the drying unit of the present invention；
Accompanying drawing 8 is inventive drive means structural representation.
Embodiment
The present invention is further described below in conjunction with the accompanying drawings.
As shown in accompanying drawing 1, accompanying drawing 2, accompanying drawing 3 and accompanying drawing 4, a kind of movable type cleaning equipment of isolation guardrail, including movement
Water tank 3 and the cleaning machine 1 that cleaning is moved along isolation guardrail 4, the mobile water tank 3 supply water with cleaning machine 1 and are connected setting；Institute
State cleaning machine 1 and include two cleaning parts for being symmetricly set on the both sides of isolation guardrail 4, two cleaning part formation cladding isolation shields
The door type structure of the both sides of column 4；The bottom of two cleaning parts is provided with movable pulley, and the structure of two cleaning parts is identical, and
The cleaning part includes jetter 7, rotation cleaning device 8, swab 9 and the drying set gradually along cleaning moving direction
Device 10, the drive for rotating cleaning device 8, swab 9 and drying unit 10 by being arranged on cleaning part inner tip
Dynamic device 11 synchronizes driving and set.Jetter 7, rotation cleaning device 8, swab 9 and the drying dress set gradually
A series of cleaning can be carried out to isolation guardrail by putting 10, it is ensured that cleaning performance, dried, prevented in time after the completion of cleaning
The dust kicked up on road, which had in the short time, to be sticked on isolation guardrail.The jetter 7, rotation cleaning device 8, swab
Dividing plate 24 is provided between 9 and drying unit 10, the dividing plate 24 will be divided into several semi-enclosed independences inside cleaning machine 1
Chamber, can avoid the water stain splashes that the hoisting crane of cleaning device 8 is rotated during cleaning in other parts chamber.
As shown in Figure 8, supporting plate 25 is provided with the cleaning part, it is described to rotate cleaning round brush cylinder 14, the and of rotating shaft 15
Rotating bar 23 is rotatably arranged in supporting plate 25, and described rotate cleans round brush cylinder 14, rotating shaft 15 and the driving of rotating bar 23
End is provided with gear structure；The drive device 11 is arranged in supporting plate 25, and the drive device 11 includes motor
30th, driving gear 31 and gear drive band 26, the gear drive band 26 is respectively with rotating cleaning round brush cylinder 14, rotating shaft 15 and turning
The drive end engagement of lever 23 is set, and the outside of the gear drive band 26 is provided with some tension poles 27, so that transmission belt can
Engaged with the gear end with each rotary shaft, the driving driving gear 31 of motor 30 engages biography with rotating cleaning round brush cylinder 14
It is dynamic to set.While transmission efficiency is ensured, the use of power equipment can be reduced, the energy is saved, and reduce the volume of equipment.
As shown in accompanying drawing 1 to accompanying drawing 4, the jetter 10 includes being arranged on the storage tank 12 inside cleaning machine housing 13
With the sprayer 5 being arranged on storage tank 12, two upper and lower spacing of the sprayer 5 are set, and two sprayers 5 stretch out
On the outside of cleaning machine housing 13, and the spray holes of the sprayer 5 are set towards isolation guardrail 4.Compression pump is provided with storage tank,
The water smoke of sprayer unit can be made to produce certain impulsive force, sprayer unit can make water or cleaning agent equably be sprayed at isolation shield
On column, the waste of water resource is reduced, while storage tank is connected with outside mobile water tank by water pipe 2, storage tank is entered in real time
Row supplies water.
As shown in accompanying drawing 1 to accompanying drawing 4, the rotation cleaning device 8 includes at least one rotation cleaning round brush cylinder 14, described
Rotate cleaning round brush cylinder 14 and setting is driven by drive device 11, the cleaning round brush cylinder 14 that rotates is vertically arranged, and described turn
Some cleaning cloths are provided with dynamic cleaning round brush cylinder 14, when the rotation cleaning round brush cylinder 14 is rotated, two cleaning parts
In cleaning cloth contacted with each other with isolation guardrail 4, the laying dust of each dead angle position on isolation guardrail can be removed.
As shown in accompanying drawing 4, accompanying drawing 5 and accompanying drawing 6, the swab 9 is set with rotating cleaning round brush 14 spacing of cylinder, and institute
Stating swab 9 includes rotating shaft 15 and at least one rub body 16, and the rotating shaft 15 is rotated by drive device 11 and set, described to wipe
The spacing of body 16 is set in rotating shaft 15, and the rub body 16 can be moved back and forth along rotating shaft 15 is upper and lower.The circumferential wall of rotating shaft 15
Upper and lower spacing is provided with the lead 19 that axis is provided perpendicular in two ring-shaped cam grooves 17, the endoporus of the rub body 16,
The lead 19, which is plugged, to be put in cam path 17, the cam path 17 and the formation cylindrical cam structure of lead 19；The rub body
Outside, which is provided with guide rail 18, the side wall of the cleaning machine housing 13, is provided with chute, and the guide rail 18 is slidably arranged in described
In chute.At least two rub bodies are pumped along rotating shaft, and the absorption of moisture can be carried out to the isolation guardrail after cleaning, is gone forward side by side
Wipe to one step the upper dust of isolation railing.
The cleaning and polishing end cladding of the rub body 16 is provided with flexible layer 21, and closing is formed between the flexible layer 21 and rub body 15
Cavity 20, inert gas is filled with the cavity 20.Can make rub body part unexpectedly may more than with isolation railing contact, clearly
Except the dust of dead angle part；The rub body front end can also be the materials such as elastic sponge or rubber.
As shown in Figure 7, the drying unit 10 includes rotating bar 23, and the rotating bar 23 is rotated by drive device 11
Set, the rotating bar 23 is the solid hollow cylinder in two ends, the inner tip of the hollow cylinder is provided with what is dried down
Small-sized fanses 231, the top of small-sized fanses is micromachine and battery component, and the hollow cylinder inwall is provided with some add
Some through holes 22 are provided with hot water radiation wire 232, the wall body of the rotating bar 23.Small-sized fanses pass through the heat of resistance wire logical
Hole is blowed to outside rotating bar, is carried out drying and processing to isolation railing, is dried in time after the completion of cleaning, prevent road from raising up
The dust risen, which had in the short time, to be sticked on isolation guardrail.Some through holes 22 are inclined hole, and the court of some through holes 22
To different.While rotating bar is rotated, the wind direction of blowout is also different, makes uniform heat distribution, and can use up can
The each several part blowed on isolation railing more than energy.
A kind of method of the movable type cleaning equipment of isolation guardrail：Direction of the cleaning machine along isolation guardrail is promoted to move
It is dynamic, start cleaning machine, sprayer first carries out humidifying processing to isolation guardrail, afterwards by two groups of rotation cleaning devices carry out to every
Carry out rotation cleaning from guardrail, remove the dust on guardrail, and by two rub bodies that can be moved up and down it is further to every
The moisture on isolation guardrail is wiped and reduced from guardrail, and then isolation guardrail is dried by drying unit.
Described above is only the preferred embodiment of the present invention, it should be pointed out that：For the ordinary skill people of the art
For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (10)
1. a kind of movable type cleaning equipment of isolation guardrail, it is characterised in that：Including mobile water tank (3) and along isolation guardrail (4)
The cleaning machine (1) of cleaning is moved, the mobile water tank (3) is supplied water with cleaning machine (1) and is connected setting；The cleaning machine (1)
Comprising two cleaning parts for being symmetricly set on isolation guardrail (4) both sides, two cleaning part formation cladding isolation guardrails (4) two
The door type structure of side；The structure of two cleaning parts is identical, and the cleaning part includes setting gradually along cleaning moving direction
Jetter (7), rotate cleaning device (8), swab (9) and drying unit (10), it is described rotate cleaning device (8),
Swab (9) and drying unit (10) synchronize driving by being arranged on the drive device (11) of cleaning part inner tip
Set.
2. a kind of movable type cleaning equipment of isolation guardrail according to claim 1, it is characterised in that：The jetter
(10) sprayer (5) for being arranged on the internal storage tank (12) of cleaning machine housing (13) and being arranged on storage tank (12) is included,
Two upper and lower spacing of sprayer (5) are set, and two sprayers (5) are stretched out on the outside of cleaning machine housing (13), and described
The spray holes of sprayer (5) are set towards isolation guardrail (4).
3. a kind of movable type cleaning equipment of isolation guardrail according to claim 1, it is characterised in that：It is described to rotate cleaning
Device (8) includes at least one rotation cleaning round brush cylinder (14), and the cleaning round brush cylinder (14) that rotates passes through drive device (11)
Drive and set, the cleaning round brush cylinder (14) that rotates is vertically arranged, and be provided with the rotation cleaning round brush cylinder (14) some
Cloth is cleaned, when the rotation cleaning round brush cylinder (14) rotates, cleaning cloth and isolation guardrail (4) in two cleaning parts
Contact with each other.
4. a kind of movable type cleaning equipment of isolation guardrail according to claim 1, it is characterised in that：The swab
(9) set with rotating cleaning round brush cylinder (14) spacing, and the swab (9) includes rotating shaft (15) and at least one rub body
(16), the rotating shaft (15) is rotated by drive device (11) and set, and rub body (16) spacing is set in rotating shaft (15), and
The rub body (16) can move back and forth along rotating shaft (15) is upper and lower.
5. a kind of movable type cleaning equipment of isolation guardrail according to claim 4, it is characterised in that：The rotating shaft (15)
Spacing is provided with two ring-shaped cam grooves (17), the endoporus of the rub body (16) and is provided perpendicular to leading for axis in circumferential wall
To post (19), the lead (19), which plugs, puts in cam path (17), the cam path (17) and lead (19) formation cylinder
Cam structure；It is provided with the outside of the rub body on guide rail (18), the side wall of the cleaning machine housing (13) and is provided with chute, it is described
Guide rail (18) is slidably arranged in the chute.
6. a kind of movable type cleaning equipment of isolation guardrail according to claim 4, it is characterised in that：The rub body (16)
Cleaning and polishing end cladding be provided with flexible layer (21), the cavity (20) of closing is formed between the flexible layer (21) and rub body (15),
Inert gas is filled with the cavity (20).
7. a kind of movable type cleaning equipment of isolation guardrail according to claim 1, it is characterised in that：The drying unit
(10) rotating bar (23) is included, the rotating bar (23) is rotated by drive device (11) and set, the rotating bar (23) is two
The solid hollow cylinder in end, the inner tip of the hollow cylinder is provided with the small-sized fanses (231) dried down, and the sky
Heart cylinder inboard wall is provided with some resistive heaters (232), the wall body of the rotating bar (23) and is provided with some through holes (22).
8. a kind of movable type cleaning equipment of isolation guardrail according to claim 7, it is characterised in that：Some through holes
(22) it is inclined hole, and the direction of some through holes (22) is different.
9. the movable type cleaning equipment of any one isolation guardrail according to claim 1 to claim 8, its feature exists
In：Supporting plate (25) is provided with the cleaning part, it is described to rotate cleaning round brush cylinder (14), rotating shaft (15) and rotating bar (23)
It is rotatably arranged in supporting plate (25), and the drive end for rotating cleaning round brush cylinder (14), rotating shaft (15) and rotating bar (23)
It is provided with gear structure；
The drive device (11) is arranged in supporting plate (25), and the drive device (11) includes motor (30), active
Gear (31) and gear drive band (26), the gear drive band (26) is respectively with rotating cleaning round brush cylinder (14), rotating shaft (15)
Engage and set with the drive end of rotating bar (23), and some tension poles (27), institute are provided with the outside of the gear drive band (26)
State motor (30) driving driving gear (31) and set with rotating cleaning round brush cylinder (14) engaged transmission.
10. a kind of method of the movable type cleaning equipment of isolation guardrail, it is characterised in that：The cleaning machine (1) is promoted along isolation
The direction movement of guardrail, starts cleaning machine (1), and sprayer (5) first carries out humidifying processing to isolation guardrail (4), passes through two afterwards
Group rotates cleaning device and carries out carrying out rotation cleaning to isolation guardrail, removes the dust on guardrail, and can be with upper and lower by two
The further moisture for isolation guardrail being wiped and being reduced on isolation guardrail of mobile rub body, then passes through drying unit pair
Isolation guardrail is dried.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710752216.7A CN107313381A (en) | 2017-08-28 | 2017-08-28 | A kind of movable type cleaning device and method of isolation guardrail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710752216.7A CN107313381A (en) | 2017-08-28 | 2017-08-28 | A kind of movable type cleaning device and method of isolation guardrail |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107313381A true CN107313381A (en) | 2017-11-03 |
Family
ID=60177430
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710752216.7A Withdrawn CN107313381A (en) | 2017-08-28 | 2017-08-28 | A kind of movable type cleaning device and method of isolation guardrail |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107313381A (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107974982A (en) * | 2017-12-29 | 2018-05-01 | 洛阳理工学院 | A kind of greenbelt cleaning device |
| CN108104020A (en) * | 2017-12-18 | 2018-06-01 | 赵淑娟 | A kind of town road guard rail cleaning machine |
| CN108442283A (en) * | 2018-03-05 | 2018-08-24 | 王旭 | A kind of highway barrier cleaning, drying municipal administration vehicle |
| CN108577787A (en) * | 2018-04-26 | 2018-09-28 | 杨可正 | A kind of interior divider cleaning device |
| CN109024430A (en) * | 2018-07-02 | 2018-12-18 | 徐美琴 | A kind of street corner environmental sanitation tool |
| CN110453628A (en) * | 2019-08-24 | 2019-11-15 | 廉作勇 | It is a kind of small-sized across formula Cleaning vehicle for guardrail |
| CN111827187A (en) * | 2020-07-20 | 2020-10-27 | 余苏祥 | Clean wiper mechanism of town road guardrail |
| CN111945634A (en) * | 2020-08-04 | 2020-11-17 | 江苏瑞沃建设集团有限公司 | Bridge guardrail sprays maintenance system and sprays maintenance of equipment |
| CN111996963A (en) * | 2020-08-25 | 2020-11-27 | 郭爱红 | Guardrail ash removal device for highway |
| CN112112454A (en) * | 2020-10-09 | 2020-12-22 | 张兴水 | Diversified two-sided swimming pool glass cleaning device |
| CN112718347A (en) * | 2020-12-22 | 2021-04-30 | 肖志坚 | Metal guardrail machining equipment |
-
2017
- 2017-08-28 CN CN201710752216.7A patent/CN107313381A/en not_active Withdrawn
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108104020A (en) * | 2017-12-18 | 2018-06-01 | 赵淑娟 | A kind of town road guard rail cleaning machine |
| CN107974982A (en) * | 2017-12-29 | 2018-05-01 | 洛阳理工学院 | A kind of greenbelt cleaning device |
| CN107974982B (en) * | 2017-12-29 | 2024-01-09 | 洛阳理工学院 | Green belt cleaning device |
| CN108442283B (en) * | 2018-03-05 | 2021-11-09 | 王旭 | Highway guardrail washs stoving municipal administration car |
| CN108442283A (en) * | 2018-03-05 | 2018-08-24 | 王旭 | A kind of highway barrier cleaning, drying municipal administration vehicle |
| CN108577787A (en) * | 2018-04-26 | 2018-09-28 | 杨可正 | A kind of interior divider cleaning device |
| CN109024430A (en) * | 2018-07-02 | 2018-12-18 | 徐美琴 | A kind of street corner environmental sanitation tool |
| CN110453628A (en) * | 2019-08-24 | 2019-11-15 | 廉作勇 | It is a kind of small-sized across formula Cleaning vehicle for guardrail |
| CN111827187A (en) * | 2020-07-20 | 2020-10-27 | 余苏祥 | Clean wiper mechanism of town road guardrail |
| CN111945634A (en) * | 2020-08-04 | 2020-11-17 | 江苏瑞沃建设集团有限公司 | Bridge guardrail sprays maintenance system and sprays maintenance of equipment |
| CN111996963A (en) * | 2020-08-25 | 2020-11-27 | 郭爱红 | Guardrail ash removal device for highway |
| CN112112454A (en) * | 2020-10-09 | 2020-12-22 | 张兴水 | Diversified two-sided swimming pool glass cleaning device |
| CN112718347A (en) * | 2020-12-22 | 2021-04-30 | 肖志坚 | Metal guardrail machining equipment |
| CN112718347B (en) * | 2020-12-22 | 2022-01-21 | 山东中嘉装备制造有限公司 | Metal guardrail machining equipment |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20171103 |
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| WW01 | Invention patent application withdrawn after publication |