CN110538739A - portable tree whitewashing machine and whitewashing method - Google Patents

portable tree whitewashing machine and whitewashing method Download PDF

Info

Publication number
CN110538739A
CN110538739A CN201910821396.9A CN201910821396A CN110538739A CN 110538739 A CN110538739 A CN 110538739A CN 201910821396 A CN201910821396 A CN 201910821396A CN 110538739 A CN110538739 A CN 110538739A
Authority
CN
China
Prior art keywords
trunk
whitewashing
semicircular
fixed
cart
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.)
Pending
Application number
CN201910821396.9A
Other languages
Chinese (zh)
Inventor
史东丽
高建国
周微
朱正坤
高文娟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Changzhou Vocational Institute of Mechatronic Technology
Original Assignee
Changzhou Vocational Institute of Mechatronic Technology
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Changzhou Vocational Institute of Mechatronic Technology filed Critical Changzhou Vocational Institute of Mechatronic Technology
Priority to CN201910821396.9A priority Critical patent/CN110538739A/en
Publication of CN110538739A publication Critical patent/CN110538739A/en
Pending legal-status Critical Current

Links

Classifications

    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01GHORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G13/00Protecting plants
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01GHORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G7/00Botany in general
    • A01G7/06Treatment of growing trees or plants, e.g. for preventing decay of wood, for tingeing flowers or wood, for prolonging the life of plants
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B13/00Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
    • B05B13/02Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work
    • B05B13/0207Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work the work being an elongated body, e.g. wire or pipe
    • B05B13/0214Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work the work being an elongated body, e.g. wire or pipe the liquid or other fluent material being applied to the whole periphery of the cross section of the elongated body
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B13/00Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
    • B05B13/02Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work
    • B05B13/0278Arrangement or mounting of spray heads
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B15/00Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
    • B05B15/20Arrangements for agitating the material to be sprayed, e.g. for stirring, mixing or homogenising
    • B05B15/25Arrangements for agitating the material to be sprayed, e.g. for stirring, mixing or homogenising using moving elements, e.g. rotating blades
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B9/00Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour
    • B05B9/03Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material
    • B05B9/04Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump
    • B05B9/0403Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump with pumps for liquids or other fluent material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05DPROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D1/00Processes for applying liquids or other fluent materials
    • B05D1/02Processes for applying liquids or other fluent materials performed by spraying

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Ecology (AREA)
  • Forests & Forestry (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Botany (AREA)
  • Catching Or Destruction (AREA)

Abstract

the invention belongs to the technical field of agricultural and forestry machinery, and relates to a portable tree whitewashing machine and a whitewashing method. One end of each of two semicircular ring structures of the whitewashing machine is connected through the shutter, the other end of each semicircular ring structure is connected through the hand buckle, the upper part and the lower part of each semicircular ring structure are respectively fixed with the rubber sleeve, the two semicircular ring structures form a circular ring which is fixed on the trunk, and the rubber sleeves are tightly attached to the trunk, so that the leakage of the whitewashing agent during spraying is prevented. The upper surface of every semicircle ring structure all is fixed with the lifting hook, and the other end of lifting hook is fixed at the ware lower extreme that slowly falls, and the other end and the rope of ware that slowly falls link to each other, and the rope is fixed on the trunk. The invention has low manufacturing cost and simple and convenient installation, and only needs 2 steps. The white coating machine is time-saving and labor-saving in use and low in labor intensity. The whitewashing machine is suitable for various working conditions, not only can be used for urban road green belts, but also can be used in places with complex terrains.

Description

portable tree whitewashing machine and whitewashing method
Technical Field
The invention belongs to the technical field of agricultural and forestry machinery, and relates to a portable tree whitewashing machine and a whitewashing method.
Background
The tree whitening treatment is one of the indispensable tasks of garden workers before winter comes, and the tree whitening effect comprises sterilization, prevention of bacterial infection and acceleration of healing of tree wounds to a certain extent; can kill the dormant Chong warm and moth in the bark of the dead tree; prevent the frost damage of trees, delay the sprouting and flowering period of fruit trees and prevent the frost damage in early spring; the novel road is convenient to walk at night, the road can be seen more clearly and beautified, and a neat and uniform feeling is brought to people.
at present, the domestic tree trunk whitewashing machine has fewer varieties, and the existing whitewashing machine has relatively large volume and is not suitable for being used on complex terrains. Resulting in the whitening now still being done manually.
the tree whitening is mainly manually operated, and the skin and respiratory tract of a human body are stimulated and affected in the manual whitening process. It also causes pollution to the air and soil. In the manual brushing process, workers dip the whitewashing agent in the brush to brush the trunk surface of the tree, so that the labor intensity of the workers is high and the efficiency is low; the whitening agent has certain irritation to human skin, and is easy to cause discomfort of workers after long-time operation; the painting is not uniform enough, the effect of the whitening treatment is affected, and the appearance is attractive, so that the design of the annular whitening machine which is simple in structure, uniform in spraying, rapid in spraying, high in terrain adaptability, convenient to use and used for trees is very important.
Disclosure of Invention
The invention aims to provide the annular whitewashing machine for trees, which has the advantages of simple structure, uniform spraying, high spraying speed, strong terrain adaptability and convenience in use.
In order to solve the technical problems, the technical scheme of the invention is as follows:
A portable tree whitewashing machine comprises a rubber sleeve, a shutter, a lifting hook, a rope, a descent control device, a pipeline, a hand buckle, a semicircular ring structure, a direct current motor, a stirring barrel, a water pump, an air compressor, a battery and a trolley.
two semicircle loop configuration one end link to each other through the tripe, the other end passes through the hand buckle hookup, the upper and lower fixed rubber cover respectively of semicircle loop configuration, two semicircle loop configuration rings are fixed on the trunk, rubber cover and trunk closely laminate, prevent to be spraying whitewash agent seepage.
The upper surface of every semicircle ring structure all is fixed with the lifting hook, and the other end of lifting hook is fixed at the ware lower extreme that slowly falls, and the other end and the rope of ware that slowly falls link to each other, and the rope is fixed on the trunk.
The semicircular structure is internally provided with a semicircular inner pipeline, one side of the semicircular inner pipeline close to the trunk is uniformly distributed with a plurality of circular whitewashing agent jet orifices along the circumference, and the circular whitewashing agent jet orifices can uniformly spray the whitewashing agent on the trunk of the tree.
The cart is provided with a stirring barrel, a direct current motor, a water pump, an air compressor and a battery, and the stirring device is arranged in the stirring barrel. The direct current motor provides power for the stirring device, the water pump and the air compressor; the battery provides electric energy for the direct current motor. The semicircular inner pipeline is connected with a water pump through a pipeline, and the stirred whitening agent is sprayed into the semicircular inner pipeline in the semicircular structure through the water pump.
Furthermore, the hand buckle comprises a quick connector and a hoop, wherein the quick connector is arranged at one end of each of the two semicircular ring structures, and the hoop is used for realizing connection.
Furthermore, one end of the trolley is provided with a trolley handrail, so that the whitewashing machine can be conveniently moved; the lower part of the cart is provided with cart universal wheels, so that the cart can be pushed conveniently;
the whitening method adopting the portable tree whitening machine comprises the following steps:
The first step is as follows: the rope is fixed above the trunk, one end of the rope is connected with the descent control device, and the other end of the descent control device is connected with the two semicircular ring structures through the lifting hook.
The second step is that: and opening the stirring device, inputting the whitewashing agent into a semicircular inner pipeline in the two semicircular structures through a pipeline by the air compressor through a water pump, and spraying the whitewashing agent to the trunk through a whitewashing agent spraying opening.
The third step: in the spraying process, the two semicircular structures fixed on the trunk slowly descend along with the descent control device, so that the trunk is uniformly sprayed until the trunk descends to the ground.
the fourth step: the stirring device was turned off.
The invention has the following beneficial effects:
1. the manufacturing cost of the whole device is low.
2. The whole device is convenient and simple to install and only needs 2 steps.
3. The white coating machine is time-saving and labor-saving in use and low in labor intensity.
4. the whitewashing machine of the invention is suitable for various working conditions, not only can be used for urban road green belts, but also can be used in places with complex terrains.
5. No pollution to soil and air
6. The universality is strong.
Drawings
fig. 1 is an overall structural view of the present invention.
FIG. 2 is a schematic view of a spray fixture.
FIG. 3 is a schematic view of the stirring apparatus.
in the figure: 1, a tree; 2, a rubber sleeve; 3, louver; 4, a lifting hook; 5, a rope; 6, slowly descending the device; 7, a pipeline; 8, buckling; 9 a semicircular ring structure; 10 a direct current motor; 11, a stirring barrel; 12, a water pump; 13 a cart armrest; 14, an air compressor; 15 batteries; 16, pushing a cart; 17 universal wheels of the cart; 18 semicircular inner pipes; 19 a whitewash spray port; 20 quick coupler; 21, clamping a hoop; 22 stirring means.
Detailed Description
the invention is further described below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
as shown in fig. 1, a portable tree whitewashing machine comprises a rubber sleeve 2, which comprises an upper rubber sleeve and a lower rubber sleeve, is connected with a semicircular ring structure and is tightly attached to the trunk of a tree, so that the whitewashing agent is prevented from splashing outside in the process of spraying the whitewashing agent, the soil and air are prevented from being polluted, and the stimulation to a human body is avoided;
The shutter 3, in order to facilitate the operation, the spraying part is formed by two semicircular ring structures, one end of each semicircular ring structure is connected by the shutter, and the other end is connected by a hand buckle 8;
the lifting hook 4 is used for uniformly whitening the whitewashing machine and whitewashing the trunk in the process of slowly and automatically descending the whitewashing agent, the whitewashing agent is fixed above the trunk by a rope 5, the rope is connected with a descent control device 6, and the other end of the descent control device 6 is connected with two semicircular ring structures 9 through the rope 5 and the lifting hook 4;
the pipeline 7 is used for spraying the stirred whitening agent into a semicircular inner pipeline 18 in the semicircular structure from the pipeline 7 through a water pump 12;
The hand buckle 8 is connected with two semicircular structures; the semicircular rings 9 are designed into two semicircular ring structures for convenient disassembly; the direct current motor 10 is used for providing power for the stirring device 22, the water pump 12 and the air compressor 14;
The stirring barrel 11 is internally provided with a stirring device 22 for stirring the whitening agent; the handrail 13 is pushed to facilitate the moving of the whitewashing machine; the air compressor 14 and the battery 15 provide possibility for field operation; the trolley 16 is placed on a small trolley, and devices such as a stirring device 22, a water pump 12, an air compressor 14, a battery, a direct current motor and the like required by the whitewashing machine are convenient to move and are suitable for places with complex terrain conditions; the cart universal wheels 17 are convenient for the small cart to push;
As shown in fig. 2, the quick coupler 20 is formed by two half ring structures connected at one end by a louver 3 and having a quick coupler 20 at each end connected by a clip 21. A semicircular inner pipeline 18, and the whitewashing agent is sprayed into the semicircular inner pipeline 18 through the pipeline 7;
20 circular whitewashing agent jet ports 19 are uniformly distributed on one side of the pipeline close to the trunk along the circumference of the two semicircular ring structures, each semicircular ring structure is provided with 10 circular jet ports, and the whitewashing agent can be uniformly sprayed on the trunk of the tree through the circular jet ports. As shown in fig. 3, the stirring tank 11 is provided with a stirring device 22 therein, and the whitening agent is constantly stirred uniformly.

Claims (5)

1. A portable tree whitewashing machine is characterized by comprising a rubber sleeve (2), a louver (3), a lifting hook (4), a rope (5), a descent control device (6), a pipeline (7), a hand buckle (8), a semi-circular ring structure (9), a direct current motor (10), a stirring barrel (11), a water pump (12), an air compressor (14), a battery (15) and a trolley (16);
One ends of the two semicircular ring structures (9) are connected through the shutter (3), the other ends of the two semicircular ring structures are connected through the hand buckle (8), the rubber sleeve (2) is fixed on the upper part and the lower part of each semicircular ring structure (9) respectively, the two semicircular ring structures (9) form a circular ring and are fixed on a trunk, and the rubber sleeve (2) is tightly attached to the trunk, so that the spraying whitening agent is prevented from leaking;
a lifting hook (4) is fixed on the upper surface of each semicircular ring structure (9), the other end of each lifting hook (4) is fixed at the lower end of a descent control device (6), the other end of each descent control device (6) is connected with a rope (5), and the rope (5) is fixed on a trunk;
a semicircular inner pipeline (18) is arranged in the semicircular ring structure (9), and a plurality of circular whitewashing agent jet ports (19) are uniformly distributed on one side of the semicircular inner pipeline (18) close to the trunk along the circumference;
The trolley (16) is provided with a stirring barrel (11), a direct current motor (10), a water pump (12), an air compressor (14) and a battery (15), and the stirring device (22) is arranged in the stirring barrel (11); the direct current motor (10) provides power for the stirring device (22), the water pump (12) and the air compressor (14); the battery (15) provides electric energy for the direct current motor (10); the semicircular inner pipeline (18) is connected with a water pump (12) through a pipeline (7), and the stirred whitening agent is sprayed into the semicircular inner pipeline (18) in the semicircular ring structure (9) through the water pump (12) through the pipeline (7).
2. A portable tree whitener according to claim 1, wherein said hand fastener (8) comprises a quick coupler (20) and a band (21), one end of each of the two semi-circular ring structures (9) being provided with the quick coupler (20) and being coupled by the band (21).
3. A portable tree whitening machine as defined in claim 1, characterized in that said cart (16) has a cart handrail (13) at one end for facilitating the movement of the whitening machine; the lower part of the cart (16) is provided with a cart universal wheel (17) which is convenient for the small cart to push.
4. A portable tree whitening machine as defined in claim 2, characterized in that said cart (16) has a cart handrail (13) at one end for facilitating the movement of the whitening machine; the lower part of the cart (16) is provided with a cart universal wheel (17) which is convenient for the small cart to push.
5. A whitening method of the portable tree whitening machine according to any one of claims 1 to 4, characterized by comprising the following steps:
The first step is as follows: a rope (5) is fixed above a trunk, one end of the rope (5) is connected with a descent control device (6), and the other end of the descent control device (6) is connected with two semicircular ring structures (9) through a lifting hook (4);
The second step is that: turning on the stirring device, inputting the whitewashing agent into a semicircular inner pipeline (18) in the two semicircular ring structures (9) through a pipeline (7) by an air compressor (14) through a water pump (12), and spraying the whitewashing agent to the trunk through a whitewashing agent spraying opening (19);
The third step: in the spraying process, the two semicircular structures fixed on the trunk slowly descend along with the descent control device (6) to ensure that the trunk is uniformly sprayed until the trunk descends to the ground;
the fourth step: the stirring device (22) is turned off.
CN201910821396.9A 2019-09-02 2019-09-02 portable tree whitewashing machine and whitewashing method Pending CN110538739A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910821396.9A CN110538739A (en) 2019-09-02 2019-09-02 portable tree whitewashing machine and whitewashing method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910821396.9A CN110538739A (en) 2019-09-02 2019-09-02 portable tree whitewashing machine and whitewashing method

Publications (1)

Publication Number Publication Date
CN110538739A true CN110538739A (en) 2019-12-06

Family

ID=68712378

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910821396.9A Pending CN110538739A (en) 2019-09-02 2019-09-02 portable tree whitewashing machine and whitewashing method

Country Status (1)

Country Link
CN (1) CN110538739A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111183884A (en) * 2020-03-03 2020-05-22 江西理工大学应用科学学院 Navel orange is planted with all-round device that waters
CN111940222A (en) * 2020-08-28 2020-11-17 嘉兴卉景园林有限公司 Device for whitening trunks with different tree diameters

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20120020248A (en) * 2010-08-27 2012-03-08 주식회사 한국아이디어연구소 Apparatus for coating frost damage cryoprotectant
CN105750126A (en) * 2016-03-28 2016-07-13 哈尔滨共阳科技咨询有限公司 Photovoltaic garden tree pasting machine
CN206824063U (en) * 2017-01-22 2018-01-02 长安大学 A kind of automatic tree whitewashing machine of spary bind lines planetary
CN207385783U (en) * 2017-04-24 2018-05-22 东莞市黔兴园林绿化工程有限公司 A kind of tree whitewashing device
CN207913977U (en) * 2017-12-27 2018-09-28 武汉励耕果园机械有限公司 A kind of flexible trunk whitewashing machine
CN108970854A (en) * 2017-04-28 2018-12-11 徐良 A kind of bridge bottom wall paint spraying construction method
CN109622281A (en) * 2019-01-18 2019-04-16 杭州金知科技有限公司 A kind of tree whitening device and its control method in municipal administration gardens
CN209255030U (en) * 2018-10-18 2019-08-16 赣州市兴业农业发展有限公司 A kind of portable fruit tree whitewashes device

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20120020248A (en) * 2010-08-27 2012-03-08 주식회사 한국아이디어연구소 Apparatus for coating frost damage cryoprotectant
CN105750126A (en) * 2016-03-28 2016-07-13 哈尔滨共阳科技咨询有限公司 Photovoltaic garden tree pasting machine
CN206824063U (en) * 2017-01-22 2018-01-02 长安大学 A kind of automatic tree whitewashing machine of spary bind lines planetary
CN207385783U (en) * 2017-04-24 2018-05-22 东莞市黔兴园林绿化工程有限公司 A kind of tree whitewashing device
CN108970854A (en) * 2017-04-28 2018-12-11 徐良 A kind of bridge bottom wall paint spraying construction method
CN207913977U (en) * 2017-12-27 2018-09-28 武汉励耕果园机械有限公司 A kind of flexible trunk whitewashing machine
CN209255030U (en) * 2018-10-18 2019-08-16 赣州市兴业农业发展有限公司 A kind of portable fruit tree whitewashes device
CN109622281A (en) * 2019-01-18 2019-04-16 杭州金知科技有限公司 A kind of tree whitening device and its control method in municipal administration gardens

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111183884A (en) * 2020-03-03 2020-05-22 江西理工大学应用科学学院 Navel orange is planted with all-round device that waters
CN111940222A (en) * 2020-08-28 2020-11-17 嘉兴卉景园林有限公司 Device for whitening trunks with different tree diameters

Similar Documents

Publication Publication Date Title
CN207805853U (en) A kind of trunk whitewashes equipment automatically
CN110538739A (en) portable tree whitewashing machine and whitewashing method
CN205455068U (en) All -round gardens sprinkler
CN107716173A (en) A kind of trunk whitewashes equipment automatically
CN104137826B (en) Caterpillar-band self-propelled intelligent spraying machine
CN203327809U (en) Multipurpose tool for whitewashing and pesticide spraying of tree trunk
CN116019082B (en) Be applied to high-efficient management equipment that fruit tree planted
CN209846035U (en) Pest control device for walnut diseases
CN203761985U (en) Movable sprinkling irrigation machine
CN204860725U (en) Novel rice sprayer
CN203942856U (en) Trees conserve trunk medicator
CN201988460U (en) Suspension type spraying irrigation device
CN207136032U (en) A kind of vehicle-mounted pesticide spraying device of electro-tricycle
CN211430415U (en) Diversified efficient artificial intelligence agricultural irrigation equipment of low energy consumption
CN112005857A (en) High-efficient farmland irrigation device of hydraulic engineering
CN207054337U (en) A kind of agricultural irrigation desinsection stroller
CN204047711U (en) A kind of caterpillar band self-propelled smart spraying machine
CN213700374U (en) White device is scribbled in efficient forestry
CN221288390U (en) Handheld forestry trees paint spraying apparatus
CN206238171U (en) Self-propelled air-feeding atomizing sprayer for orchard pinch roller tensioner controls the mechanism of blower fan and Teat pipette
CN204907259U (en) Fungus class is planted and is used portable water jet equipment
CN206776575U (en) The full-automatic Insecticide sprayer of electronic remote control type
CN216853557U (en) Pesticide spraying device for preventing and treating termites
CN114877278B (en) Lamp for landscape
CN221576594U (en) Pesticide spraying device for preventing trunk overwintering pests

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20191206

RJ01 Rejection of invention patent application after publication