CN108262225A - A kind of tree whitening device - Google Patents
A kind of tree whitening device Download PDFInfo
- Publication number
- CN108262225A CN108262225A CN201810177020.4A CN201810177020A CN108262225A CN 108262225 A CN108262225 A CN 108262225A CN 201810177020 A CN201810177020 A CN 201810177020A CN 108262225 A CN108262225 A CN 108262225A
- Authority
- CN
- China
- Prior art keywords
- liquid
- rolling brush
- plunger
- drawing device
- link
- 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.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C17/00—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces
- B05C17/02—Rollers ; Hand tools comprising coating rollers or coating endless belts
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G13/00—Protecting plants
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C17/00—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces
- B05C17/02—Rollers ; Hand tools comprising coating rollers or coating endless belts
- B05C17/0205—Rollers ; Hand tools comprising coating rollers or coating endless belts characterised by the handle, e.g. handle shape or material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C17/00—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces
- B05C17/02—Rollers ; Hand tools comprising coating rollers or coating endless belts
- B05C17/03—Rollers ; Hand tools comprising coating rollers or coating endless belts with feed system for supplying material from an external source or with a reservoir or container for liquid or other fluent material located in or on the hand tool outside the coating roller
- B05C17/0308—Rollers ; Hand tools comprising coating rollers or coating endless belts with feed system for supplying material from an external source or with a reservoir or container for liquid or other fluent material located in or on the hand tool outside the coating roller the liquid being supplied to the inside of the coating roller
Abstract
The invention discloses a kind of tree whitening device, including rolling brush, link, liquid drawing device, liquid reservoir, handlebar, rangefinder；The rolling brush side wall is aduncate arc, and curved wall is equipped with several liquid drain holes with cavity perforation, the flexible seepage layer equipped with covering liquid drain hole；The link is used to connect rolling brush and liquid drawing device；The liquid drawing device is used to the liquid in liquid reservoir being conveyed to rolling brush；The liquid reservoir is used to store tree whitening liquid；The handlebar holds for hand；The rangefinder is used for measuring the height for needing to whitewash；The present invention will be applied white liquor and pumped to rolling brush automatically without power, laborsaving time saving without with rolling brush dipping white liquor；Handlebar is telescopic rod, can meet the different requirements for whitewashing height；Equipped with rangefinder, conveniently determine to whitewash height.
Description
Technical field
The invention belongs to garden equipment technical field, specially a kind of tree whitening device.
Background technology
It needs to whitewash trees after annual rainy season in time of the year when autumn changes into winter, tree whitening can not only sterilize, insect prevention, antifreeze
Evil can also accelerate the speed of wound healing of trees itself, and tree whitening has beautification function and can make the road at night
Road, which seems, to be more clear.
Traditional tree whitening does not have dedicated tool, and tree whitening operation is generally used using rendering paint in engineering
Hairbrush.It is had the following problems using hairbrush to tree whitening：1. it during operation, with brush head dipping white liquor, is applied on trees
Brush, brush once dip in once, and back and forth, heavy workload is time-consuming；Ground is sprinkled upon 2. having and applying white liquor, has not only wasted painting white liquor, but also
Pollute environment；3. the brush holder of hairbrush is often too short, what operating personnel must be frequently stands and squats down, and operation intensity is big, efficiency is low；④
Surface of trees is arc, and brush head flushes, and brush head cannot be bonded, and surface of trees has deep split with trunk completely during smearing
Line, it is not easy to painting white liquor is deeply internal, it causes to smear uneven；5. for beauty, it is desirable that each trees whitewash height phase
Unanimously, it therefore before operation is whitewashed, needs first to be determined to whitewash height, process trouble, inefficiency with tape measure.
Automation equipment research of the country about tree whitening proposes one in patent of invention ZL200810061760.8
Trees whitewash machine, and the mode of " lower upper movement is brushed when applying " is utilized to realize that tree whitening works.In the patent of invention
White wash machine for trees provides power by electric power, is unfavorable for outwork；Working space is larger, is unfavorable for intensive trees environment
Lower work；The scope of application is small, is unfavorable for different thicknesses, differently curved tree whitening；It is complicated, cause cost of manufacture compared with
Height is unfavorable for promoting and applying.
Invention content
In order to solve the deficiencies in the prior art, the present invention provides a kind of tree whitening device.
The technical solution adopted in the present invention is：A kind of tree whitening device, it is characterized in that：The tree whitening device includes
Rolling brush, link, liquid drawing device, liquid reservoir, handlebar, rangefinder；
The rolling brush includes a transfer roller, is equipped with cavity in transfer roller, and transfer roller side wall is aduncate arc, on curved wall
Equipped with several liquid drain holes with cavity perforation, curved wall is equipped with the flexible seepage layer of covering liquid drain hole, and transfer roller both ends are equipped with
Bearing, bearing are used to connect link；
The link is used to connect rolling brush and liquid drawing device；It is a threeway among the link, three is connected in threeway
Fluid-through tube, two of which fluid-through tube connect the bearing on rolling brush and are connected with transfer roller cavity, and the connection of another fluid-through tube is taken out
The efferent duct of liquid device；
The liquid drawing device is used to the liquid in liquid reservoir being conveyed to rolling brush；The liquid drawing device includes a plunger barrel, plunger
One end open is closed in cylinder one end, is equipped with input hole, input hole connection input pipe, input hole on plunger barrel side wall at blind end
The first check valve is equipped with, the first check valve can only make liquid flow to plunger barrel from input pipe, and cannot make liquid from plunger barrel
Input pipe is flowed to, plunger is equipped in plunger barrel, spring is equipped between plunger and blind end, delivery outlet, column are equipped at plunger center
Plug is equipped with efferent duct far from spring end face, and efferent duct is penetrated through with delivery outlet, and delivery outlet is equipped with the second check valve, and second is unidirectional
Valve can only make liquid flow to efferent duct from plunger barrel, and liquid cannot be made to flow to plunger barrel from efferent duct, and the plunger barrel other end is set
There is end cap, end cap is equipped with targeting port, and efferent duct passes through targeting port to stretch out plunger barrel and is connected with a fluid-through tube of link
It is logical；
The liquid reservoir is used to store tree whitening liquid；The liquid reservoir is connected with liquid drawing device, and input pipe is made to extend into storage
In liquid device；
The handlebar holds for hand；The handlebar includes interior bar, outer tube, locking set, and interior bar top connects liquid drawing device,
The interior bar other end is penetrated in outer tube, and interior bar can be slided in outer tube, and locking set is movably set in interior bar, locking set inner wall
Taper thread is equipped with, outer tube top outer wall is equipped with external screw thread, and external screw thread is equipped with several axially grooved, the external screw thread and lock
The fixed upper taper thread of set matches；When locking set forward direction is tightened on outer tube, the fluting on outer tube is shunk, and diameter mouth becomes
Small, outer tube is mutually squeezed with interior bar, and outer tube opposite cannot be slided with interior bar；When locking set reversely unscrews, on outer tube
Fluting restores due to elasticity, diameter mouth becomes larger, and outer tube and interior bar can opposite slips；
The rangefinder is fixed on link or liquid drawing device, for measuring the height for needing to whitewash；The rangefinder includes super
Sound wave transceiver, microcontroller, display, ultrasonic transmitter-receiver, display are connect respectively with microcontroller.
Further, the flexible liquid-permeable layer is acrylic pile layer.
Further, the liquid reservoir is connected with liquid drawing device by screw thread.
Further, the handlebar, which is equipped with, holds rubber sleeve.
Further, the ultrasonic transmitter-receiver model HC-SRO4；The microcontroller model AT89C52；It is described
Display model Nokia5llO.
This Fa Ming courses of work are：It when beginning to use, to be first exhausted, drain gas beginning drain, exhaust and drain
Process is identical, and discharge opeing process is illustrated below.Rolling brush is adjacent to trunk by hand-held handle bar, makes rolling with knob shank is forced
Dynamic brush rotation, rolling brush apply an active force to trunk, and since the effect of power is mutual, trunk applies one to rolling brush
Reaction force, this reaction force are applied to by link, efferent duct on plunger again, in plunger movement under force compression plunger cylinder
Liquid, in the case where being acted on by compressed liquid, the first closed check valve, the second check valve open, plunger liquid within the cartridge by delivery outlet,
Efferent duct, link, liquid drain hole discharge, while spring is compressed；After rolling brush moves a distance, painting of shifting one's position is needed
Brush when lifting rolling brush and shifting one's position, is restored by compressed spring, and under the action of the spring, plunger is to far from blind end side for plunger
To movement, pressure reduces in plunger barrel, and the first check valve is opened, the second closed check valve, and the liquid in liquid reservoir is in atmospheric pressure
Under the action of be pressed into plunger barrel.Again with force knob shank rotate rolling brush, will repeat the above process, follow repeatedly
Ring, liquid are brushed through liquid drain hole discharge on trunk.
Each tree is applying Cynanchum glaucescens it needs to be determined that whitewashing height, and the present invention is equipped with rangefinder, can measure rolling and brush ground
Distance, conveniently determine to whitewash height.
Present invention has the advantages that：1. without power, knob shank need to be simply only pressed, handle is lifted when shifting one's position
Bar, it is possible to it will automatically apply white liquor and pump to rolling brush, it is laborsaving time saving without with rolling brush dipping white liquor；2. handlebar is
Telescopic rod can meet the different requirements for whitewashing height；3. equipped with rangefinder, conveniently determine to whitewash height；4. rolling brush is arc,
Fully contacted with trunk.
Description of the drawings
If Fig. 1 is surface structure schematic diagram of the present invention.
If Fig. 2 is rolling brush of the present invention, link, liquid drawing device internal structure schematic diagram.
If Fig. 3 is handlebar structure diagram of the present invention.
Specific embodiment
The present invention will be further described below in conjunction with the accompanying drawings.
A kind of tree whitening device, it is characterized in that：The tree whitening device includes rolling brush 1, link, liquid drawing device 3, storage
Liquid device 8, handlebar 4, rangefinder 9；
The rolling brush 1 includes a transfer roller 11, is equipped with cavity in transfer roller 11, and 11 side wall of transfer roller is aduncate arc, arc
Shape side wall is equipped with several liquid drain holes 12 with cavity perforation, and curved wall is equipped with the flexible seepage layer of covering liquid drain hole 12
13,11 both ends of transfer roller are equipped with bearing 26, and bearing 26 is used to connect link；
The link is used to connect rolling brush 1 and liquid drawing device 3；It is a threeway 10 among the link, is connected in threeway
Three fluid-through tubes 2, two of which fluid-through tube 2 connect the bearing 26 on rolling brush 1 and are connected with 11 cavity of transfer roller, another is logical
Liquid pipe 2 connects the efferent duct 25 of liquid drawing device；
The liquid drawing device 3 is used to the liquid in liquid reservoir 8 being conveyed to rolling brush 1；The liquid drawing device 3 includes a plunger barrel
17, one end open is closed in 17 one end of plunger barrel, and input hole 20, input hole 20 are equipped at blind end 18 on 17 side wall of plunger barrel
Input pipe 21 is connected, input hole 20 is equipped with the first check valve 19, and the first check valve 19 can only be such that liquid is flowed to from input pipe 21
Plunger barrel 17, and liquid cannot be made to flow to input pipe 21 from plunger barrel 17, plunger 16, plunger 16 and closing are equipped in plunger barrel 17
Spring 22 is equipped between end 18, delivery outlet 23 is equipped at 16 center of plunger, plunger 16 is equipped with efferent duct 25 far from spring end face,
Efferent duct 25 is penetrated through with delivery outlet 23, and delivery outlet 23 is equipped with the second check valve 24, and the second check valve 24 can only make liquid from column
Plug tube 17 flows to efferent duct 25, and liquid cannot be made to flow to plunger barrel 17 from efferent duct 25, and 17 other end of plunger barrel is equipped with end cap
15, end cap 15 be equipped with targeting port 14, efferent duct 25 pass through targeting port 14 stretch out plunger barrel 17 and with a logical liquid of link
Pipe 2 is connected；
The liquid reservoir 8 is used to store tree whitening liquid；The liquid reservoir 8 is connected with liquid drawing device 3, and stretches into input pipe 21
Into liquid reservoir 8；
The handlebar 4 holds for hand；The handlebar 4 includes interior bar 5, outer tube 7, locking set 6, the connection of 5 top of interior bar
Liquid drawing device 3,5 other end of interior bar are penetrated in outer tube 7, and interior bar 5 can be slided in outer tube 7, and locking set 6 is movably set in interior bar
On 5, locking 6 inner walls of set are equipped with taper thread 27, and 7 top outer wall of outer tube is equipped with external screw thread 29, if external screw thread 29 is equipped with
Dry axially grooved 28, which matches with the taper thread 27 on locking set 6；When locking 6 forward directions of set are tightened on outer tube 7
When upper, the fluting 28 on outer tube 7 is shunk, and diameter mouth becomes smaller, and outer tube 7 is mutually squeezed with interior bar 5, and outer tube 7 cannot with interior bar 5
It is opposite to slide；When locking set 6 reversely unscrews, the fluting 28 on outer tube 7 restores due to elasticity, and diameter mouth becomes larger, outer tube 7
It opposite can be slided with interior bar 5；
The rangefinder 9 is fixed on link or liquid drawing device 3, for measuring the height for needing to whitewash；The rangefinder 9 includes
Ultrasonic transmitter-receiver, microcontroller, display, ultrasonic transmitter-receiver, display are connect respectively with microcontroller.
Further, the flexible liquid-permeable layer 13 is acrylic pile layer.
Further, the liquid reservoir 8 is connected with liquid drawing device 3 by screw thread.
Further, the handlebar 4, which is equipped with, holds rubber sleeve.
Further, the ultrasonic transmitter-receiver model HC-SRO4；The microcontroller model AT89C52；It is described
Display model Nokia5llO.
This Fa Ming courses of work are：It when beginning to use, to be first exhausted, drain gas beginning drain, exhaust and drain
Process is identical, and discharge opeing process is illustrated below.Rolling brush 1 is adjacent to trunk by hand-held handle bar 4, with force knob shank 4
Rotate rolling brush 1, rolling brush 1 applies an active force to trunk, and since the effect of power is mutual, trunk is to rolling brush 1
Apply a reaction force, this reaction force is applied to by link, efferent duct 25 on plunger 16 again, 16 stress of plunger fortune
Liquid in dynamic pressure contracting plunger barrel 17, in the case where being acted on by compressed liquid, the first closed check valve 19, the second check valve 24 is opened, column
Liquid is discharged by delivery outlet 23, efferent duct 25, link, liquid drain hole 12 in plug tube 17, while spring 22 is compressed；Work as rolling
After 1 movement a distance of brush, brushing of shifting one's position is needed, when lifting rolling brush 1 and shifting one's position, is restored by compressed spring 22,
Under the effect of spring 22, plunger 16 moves plunger 16 to far from 18 direction of blind end, and pressure reduces in plunger barrel 17, and first is unidirectional
Valve 19 is opened, and the second check valve 24 is closed, and the liquid in liquid reservoir 8 is pressed under atmospheric pressure in plunger barrel 17.Again
It is secondary with force knob shank 4 rotate rolling brush 1, will repeat the above process, iterative cycles, liquid through liquid drain hole 12 discharge brush
On trunk.
Claims (5)
1. a kind of tree whitening device, it is characterized in that：The tree whitening device includes rolling brush, link, liquid drawing device, reservoir
Device, handlebar, rangefinder；
The rolling brush includes a transfer roller, is equipped with cavity in transfer roller, and transfer roller side wall is aduncate arc, on curved wall
Equipped with several liquid drain holes with cavity perforation, curved wall is equipped with the flexible seepage layer of covering liquid drain hole, and transfer roller both ends are equipped with
Bearing, bearing are used to connect link；
The link is used to connect rolling brush and liquid drawing device；It is a threeway among the link, three is connected in threeway
Fluid-through tube, two of which fluid-through tube connect the bearing on rolling brush and are connected with transfer roller cavity, and the connection of another fluid-through tube is taken out
The efferent duct of liquid device；
The liquid drawing device is used to the liquid in liquid reservoir being conveyed to rolling brush；The liquid drawing device includes a plunger barrel, plunger
One end open is closed in cylinder one end, is equipped with input hole, input hole connection input pipe, input hole on plunger barrel side wall at blind end
The first check valve is equipped with, the first check valve can only make liquid flow to plunger barrel from input pipe, and cannot make liquid from plunger barrel
Input pipe is flowed to, plunger is equipped in plunger barrel, spring is equipped between plunger and blind end, delivery outlet, column are equipped at plunger center
Plug is equipped with efferent duct far from spring end face, and efferent duct is penetrated through with delivery outlet, and delivery outlet is equipped with the second check valve, and second is unidirectional
Valve can only make liquid flow to efferent duct from plunger barrel, and liquid cannot be made to flow to plunger barrel from efferent duct, and the plunger barrel other end is set
There is end cap, end cap is equipped with targeting port, and efferent duct passes through targeting port to stretch out plunger barrel and is connected with a fluid-through tube of link
It is logical；
The liquid reservoir is used to store tree whitening liquid；The liquid reservoir is connected with liquid drawing device, and input pipe is made to extend into storage
In liquid device；
The handlebar holds for hand；The handlebar includes interior bar, outer tube, locking set, and interior bar top connects liquid drawing device,
The interior bar other end is penetrated in outer tube, and interior bar can be slided in outer tube, and locking set is movably set in interior bar, locking set inner wall
Taper thread is equipped with, outer tube top outer wall is equipped with external screw thread, and external screw thread is equipped with several axially grooved, the external screw thread and lock
The fixed upper taper thread of set matches；
The rangefinder is fixed on link or liquid drawing device, for measuring the height for needing to whitewash；The rangefinder includes super
Sound wave transceiver, microcontroller, display, ultrasonic transmitter-receiver, display are connect respectively with microcontroller.
2. a kind of tree whitening device according to claim 1, it is characterized in that：The flexibility liquid-permeable layer is acrylic pile layer.
3. a kind of tree whitening device according to claim 1, it is characterized in that：The liquid reservoir passes through screw thread phase with liquid drawing device
Connection.
4. a kind of tree whitening device according to claim 1, it is characterized in that：The handlebar, which is equipped with, holds rubber sleeve.
5. a kind of tree whitening device according to claim 1, it is characterized in that：The ultrasonic transmitter-receiver model HC-
SRO4；The microcontroller model AT89C52；The display model Nokia5llO.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810177020.4A CN108262225B (en) | 2018-03-04 | 2018-03-04 | Tree whitewashing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810177020.4A CN108262225B (en) | 2018-03-04 | 2018-03-04 | Tree whitewashing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108262225A true CN108262225A (en) | 2018-07-10 |
| CN108262225B CN108262225B (en) | 2020-04-17 |
Family
ID=62774514
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810177020.4A Expired - Fee Related CN108262225B (en) | 2018-03-04 | 2018-03-04 | Tree whitewashing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108262225B (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108393245A (en) * | 2018-05-16 | 2018-08-14 | 武汉思异汇创科技有限公司 | A kind of uniform application device of automatic feeding type |
| CN109290120A (en) * | 2018-10-25 | 2019-02-01 | 江苏大族展宇新能源科技有限公司 | A kind of lithium battery coating machine guide rolls support structure |
| CN109719005A (en) * | 2019-01-17 | 2019-05-07 | 重庆交通大学 | Paint-brushing apparatus for bridge pier |
| CN109967316A (en) * | 2019-04-29 | 2019-07-05 | 王守正 | A kind of push type is from suction painting device |
| CN110918305A (en) * | 2019-10-18 | 2020-03-27 | 华艺生态园林股份有限公司 | Surrounding type tree whitening agent spraying device |
| CN114046021A (en) * | 2021-11-12 | 2022-02-15 | �田�浩 | Waterproof special cylinder brush in bathroom |
| CN114701743A (en) * | 2022-03-14 | 2022-07-05 | 温州理工学院 | Automatic consumable storage system and device |
| CN114713466A (en) * | 2022-05-13 | 2022-07-08 | 杨朝 | Garden tree whitewashing device |
| CN115318581A (en) * | 2022-08-18 | 2022-11-11 | 中建四局第一建设有限公司 | Tool type pipeline paint brushing device |
| CN115445850A (en) * | 2022-10-21 | 2022-12-09 | 国网山东省电力公司东平县供电公司 | Device is applied paint with a brush to cable fire retardant coating |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108393245A (en) * | 2018-05-16 | 2018-08-14 | 武汉思异汇创科技有限公司 | A kind of uniform application device of automatic feeding type |
| CN109290120A (en) * | 2018-10-25 | 2019-02-01 | 江苏大族展宇新能源科技有限公司 | A kind of lithium battery coating machine guide rolls support structure |
| CN109719005A (en) * | 2019-01-17 | 2019-05-07 | 重庆交通大学 | Paint-brushing apparatus for bridge pier |
| CN109967316A (en) * | 2019-04-29 | 2019-07-05 | 王守正 | A kind of push type is from suction painting device |
| CN110918305A (en) * | 2019-10-18 | 2020-03-27 | 华艺生态园林股份有限公司 | Surrounding type tree whitening agent spraying device |
| CN110918305B (en) * | 2019-10-18 | 2021-06-29 | 华艺生态园林股份有限公司 | Surrounding type tree whitening agent spraying device |
| CN114046021A (en) * | 2021-11-12 | 2022-02-15 | �田�浩 | Waterproof special cylinder brush in bathroom |
| CN114701743A (en) * | 2022-03-14 | 2022-07-05 | 温州理工学院 | Automatic consumable storage system and device |
| CN114701743B (en) * | 2022-03-14 | 2023-11-10 | 温州理工学院 | Automatic consumable storage system and device |
| CN114713466A (en) * | 2022-05-13 | 2022-07-08 | 杨朝 | Garden tree whitewashing device |
| CN114713466B (en) * | 2022-05-13 | 2022-12-06 | 杨朝 | Garden tree whitewashing device |
| CN115318581A (en) * | 2022-08-18 | 2022-11-11 | 中建四局第一建设有限公司 | Tool type pipeline paint brushing device |
| CN115445850A (en) * | 2022-10-21 | 2022-12-09 | 国网山东省电力公司东平县供电公司 | Device is applied paint with a brush to cable fire retardant coating |
| CN115445850B (en) * | 2022-10-21 | 2024-01-16 | 国网山东省电力公司东平县供电公司 | Cable fireproof paint brushing device |
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|---|---|
| CN108262225B (en) | 2020-04-17 |
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