CN112408238A - Rotatory belt cleaning device of insulator cleaning machine - Google Patents

Rotatory belt cleaning device of insulator cleaning machine Download PDF

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Publication number
CN112408238A
CN112408238A CN202011111226.0A CN202011111226A CN112408238A CN 112408238 A CN112408238 A CN 112408238A CN 202011111226 A CN202011111226 A CN 202011111226A CN 112408238 A CN112408238 A CN 112408238A
Authority
CN
China
Prior art keywords
cleaning
lifting
rotary
post insulator
cleaning head
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
CN202011111226.0A
Other languages
Chinese (zh)
Inventor
张长斌
苏桂丰
张建军
张宇琦
张珂
孙兴波
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.)
Sishui Power Supply Co Of State Grid Shandong Electric Power Co
State Grid Corp of China SGCC
Jining Power Supply Co of State Grid Shandong Electric Power Co Ltd
Original Assignee
Sishui Power Supply Co Of State Grid Shandong Electric Power Co
State Grid Corp of China SGCC
Jining Power Supply Co of State Grid Shandong Electric Power Co Ltd
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 Sishui Power Supply Co Of State Grid Shandong Electric Power Co, State Grid Corp of China SGCC, Jining Power Supply Co of State Grid Shandong Electric Power Co Ltd filed Critical Sishui Power Supply Co Of State Grid Shandong Electric Power Co
Priority to CN202011111226.0A priority Critical patent/CN112408238A/en
Publication of CN112408238A publication Critical patent/CN112408238A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66FHOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F7/00Lifting frames, e.g. for lifting vehicles; Platform lifts
    • B66F7/02Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms suspended from ropes, cables, or chains or screws and movable along pillars
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B13/00Accessories or details of general applicability for machines or apparatus for cleaning
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00Cleaning by methods involving the use or presence of liquid or steam
    • B08B3/02Cleaning by the force of jets or sprays
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60BVEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B33/00Castors in general; Anti-clogging castors
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66FHOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F7/00Lifting frames, e.g. for lifting vehicles; Platform lifts
    • B66F7/28Constructional details, e.g. end stops, pivoting supporting members, sliding runners adjustable to load dimensions

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Structural Engineering (AREA)
  • Insulators (AREA)
  • Cleaning By Liquid Or Steam (AREA)

Abstract

The invention discloses a rotary cleaning device of a post insulator cleaning machine, which belongs to the field of insulator cleaning and comprises a movable base, wherein a lifting track is arranged on the movable base, a T-shaped cleaning head support capable of doing vertical motion is arranged on the lifting track, two ends of a horizontal rod of the T-shaped cleaning head support in the length direction are respectively provided with a rotary column capable of rotating 360 degrees around the axis of the rotary column, the rotary column is connected with a cleaning head, and the rotary column can move on the horizontal rod of the T-shaped cleaning head support.

Description

Rotatory belt cleaning device of insulator cleaning machine
Technical Field
The disclosure belongs to the field of insulator cleaning, and particularly relates to a rotary cleaning device and method for an insulator cleaning machine.
Background
At present, the cleaning modes of the post insulators are divided into two modes, namely power-off cleaning, wherein an operator is required to ascend and then wipe the surface of the post insulator string from top to bottom;
the other type is that a high-pressure water gun is used for washing the post insulator string, the cleaning mode is high in cleaning efficiency and good in cleaning effect, most of the existing cleaning modes are that the water gun is manually held to clean the post insulator string, or the cleaning mode is used for cleaning by means of a cleaning vehicle, particularly the cleaning vehicle, the cleaning mode is that the insulator string is wrapped by rotating two semicircular cleaning heads to form a ring to clean the insulator string for 360 degrees, but the cleaning mode has some defects, on one hand, for example, when three post insulators are placed side by side, if the middle post insulators among the three are cleaned, if the three cleaning heads are too close, the two middle insulators cannot be wrapped by rotating due to interference of the post insulators on two sides, on the other hand, when the post insulators with the diameters slightly larger than the areas surrounded by the two cleaning heads are encountered or the upper and lower diameters of the post, at this time, the user cannot use the shampoo.
Disclosure of Invention
To above-mentioned problem, in order to solve prior art not enough, provide a rotatory belt cleaning device of post insulator cleaning machine specially.
The scheme that this disclosure provides is a rotatory belt cleaning device of post insulator cleaning machine, and the device is including removing the base, be equipped with the lift track on removing the base be equipped with the T type cleaning head support that can do vertical motion on the lift track, be equipped with respectively at the both ends of the horizon bar length direction of T type cleaning head support and can center on the rotatory column spinner of 360 degrees of self axis, the cleaning head is connected to the column spinner, the column spinner can move on the horizon bar of T type cleaning head support.
Furthermore, a sliding groove is formed in the surface of one side, facing the post insulator, of the horizontal rod of the T-shaped cleaning head support, two sliding blocks are arranged in the sliding groove, a bulge higher than the upper surface of the horizontal rod of the T-shaped cleaning head support is arranged on each sliding block, and the rotating column is rotatably arranged on the bulge.
Furthermore, a cylindrical hole is formed in the protrusion, the rotating column is fixed in the cylindrical hole through a bearing, a rotating speed reduction motor is fixed on one side of the cylindrical hole on the protrusion, an output shaft of the rotating speed reduction motor is connected with a driving gear, and a driven gear meshed with the driving gear is arranged at the end of the rotating column.
Furthermore, universal caster is installed to the bottom of moving base, universal caster installs on four angles of moving platform bottom.
Further, the cleaning head comprises a water storage pipe and a semicircular water spraying pipe, wherein the interior of the water storage pipe is hollow; one section of the water storage pipe in the length direction is connected with the rotating column, the other end of the water storage pipe is connected to the middle position of the semicircular water spraying pipe, a water inlet is formed in the water storage pipe, and a plurality of spray heads are uniformly arranged on the inner wall surface of the semicircular water spraying pipe.
Furthermore, the spray heads of the two spray pipes are symmetrically arranged.
Further, the semicircular sprinkler tube is flexible.
Furthermore, a water tank, a water suction pump and a controller are further arranged on the movable base.
Furthermore, a lifting power system is arranged on the lifting guide rail, and comprises a lifting motor, a lifting rope, a winding drum and a lifting platform; the lifting platform is provided with a pulley which can roll in a guide rail groove of the lifting track; the lifting motor is arranged at the upper end of the lifting track and is connected with the winding drum; one end of the lifting rope is fixed on the lifting platform, and the other end of the lifting rope is wound on the winding drum.
Further, a T-shaped cleaning head bracket is detachably fixed on the lifting platform.
Compared with the prior art, the beneficial effect of this disclosure is:
1. the rotating column connected with the cleaning head in the cleaning device can rotate 360 degrees around the axis of the rotating column, so that the cleaning device can be applied to cleaning under the condition that a plurality of insulator strings are arranged in parallel.
2. The rotary column connected with the cleaning head in the cleaning device can move on the horizontal rod of the T-shaped cleaning head bracket, so that the cleaning device can adapt to the condition that the upper diameter and the lower diameter of the insulation of the support column are different on the one hand and on the other hand
3. T type cleaning head support among the belt cleaning device of this disclosure is detachable fixes on the elevating platform, the maintenance of the cleaning head of being convenient for like this.
Drawings
Fig. 1 is a schematic structural diagram of a rotary cleaning device of a post insulator cleaning machine according to an embodiment of the present disclosure;
FIG. 2 is a schematic view illustrating an installation of a T-shaped cleaning head bracket in the cleaning apparatus according to the embodiment of the disclosure;
fig. 3 is a schematic structural diagram of a T-shaped cleaning head bracket in the cleaning device provided in the embodiment of the present disclosure;
fig. 4 is a schematic structural view of a water storage pipe in the cleaning device provided by the embodiment of the disclosure;
fig. 5 is a schematic structural diagram of a water spray pipe in the cleaning device provided in the embodiment of the disclosure.
In the figure: 1. the cleaning device comprises a movable base, a lifting rail, a T-shaped cleaning head support, a 31, a semicircular water spray pipe, a 311, a connecting port, a 32, a water storage pipe, a 321, a rotating column, a 323, a water outlet, a 324, a water inlet, a 325, a gear, a 33, a T-shaped cleaning platform, a 34, a lifting platform, a 35, a positioning plate, a 36, a fixing pin, a 37, a rotating speed-reducing motor, a 331, a vertical rod, a 332, a positioning hole, a 333, a sliding block, a 334, a protrusion, a 335, an installation hole, a 336, a horizontal rod, a 4, a universal wheel, a 5, a spare water tank, a 6, a water suction pump, a 7, a controller, an 8.
Detailed Description
The invention is further described with reference to the drawings and the specific embodiments in the following description.
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
In the present disclosure, terms such as "fixedly connected", "connected", and the like are to be understood in a broad sense, and mean either a fixed connection or an integrally connected or detachable connection; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present disclosure can be determined on a case-by-case basis by persons skilled in the relevant art or technicians, and are not to be construed as limitations of the present disclosure.
As shown in fig. 1, the rotary cleaning head device for the insulator string disclosed by the invention mainly comprises three parts, namely a movable base 1, a lifting track 2 and a T-shaped cleaning head bracket 3; the lifting rail 2 is installed on the movable base 1, the T-shaped cleaning head support 3 moves up and down along the lifting rail 2, two semicircular water spray pipes wrapping the post insulators are arranged on the T-shaped cleaning head support, and the T-shaped cleaning head support moves up and down to clean the post insulators up and down.
The universal wheels 4 are installed at four corners of the bottom of the movable base 1, and a brake device can be arranged on the universal wheels for fixing the movable base in the cleaning process.
In addition, be equipped with reserve tank 5 and suction pump 6 on the removal base 1 and be used for realizing providing the water source to belt cleaning device, still be equipped with the controller 7 of whole device on the removal base, operating personnel realizes the control to whole equipment through this controller, need not other personnel and participates in.
This disclosed removal base 1 is square, and lift track 2 sets up the one end at the removal base, and lift track 2 is two, and these two orbital one end welding of going up and down are on removing base 1, or are connected with removing base 1 through the bolt, and two orbital other ends of going up and down link together through a crossbeam 8, are equipped with the lift driving system on the crossbeam, and this lift driving system is used for doing the up-and-down motion along lift track 2 with the T type cleaning head support 3 that drives this equipment.
The lifting power system on the beam comprises a lifting motor 9, a motor support and a lifting winding drum 10, wherein the lifting motor 9 is installed on the beam connected with the two lifting tracks through the motor support, a driving shaft of the motor is connected with the lifting winding drum 10, one end of a steel wire rope is wound on the lifting winding drum 10, and the other end of the steel wire rope is connected with a lifting platform 34 used for installing the T-shaped cleaning head support 3.
As shown in fig. 2, the lifting platform 34 is also in a T shape, and two sliding wheels are respectively mounted at two ends of the lifting platform 34 in the length direction of the horizontal rod, and the sliding wheels can slide in the lifting track.
Further, the vertical rod of elevating platform 34 is fixed with two L type locating plates 35 that place and symmetry each other vertically, is used for placing the vertical rod of T type cleaning head support between two locating plates 35 to realize the fixed of T type cleaning head support through fixed pin 36.
As shown in fig. 3-4, the vertical rod 331 of the T-shaped cleaning head holder in this embodiment is provided with a positioning hole 332, the fixing pin 36 is right inserted through the positioning hole 332, a horizontal through sliding groove is provided on a side surface of the horizontal rod 336 of the vertical rod of the T-shaped cleaning head holder facing the post insulator, a sliding block 333 is provided on each of the sliding grooves in the length direction, a protrusion 334 higher than the upper surface of the horizontal rod 336 is provided on each of the two sliding blocks 333, and a mounting hole 335 is provided on the protrusion 334.
The column spinner 321 passes through the bearing and installs 360 degrees rotations can be carried out in the mounting hole 335, one set of cleaning head is connected to the one end of column spinner 321, be equipped with gear 325 on the column spinner 321 other end simultaneously, refer to fig. 2, rotatory gear motor 36 is installed in one side of mounting hole 335 on protruding 334, also is connected with a gear on rotatory gear motor 36's the output shaft, this gear meshes with the gear on the column spinner 321 mutually, realizes 360 degrees of column spinner like this to realize the rotation of cleaning head, like this when wasing one in the middle of three post insulators, can be through the rotatory then including going on washing from top to bottom with the post insulator of control column spinner 321, solved current cleaning head and can't realize carrying out the abluent defect to middle post insulator.
Meanwhile, the distance between the two semicircular cleaning heads in the cleaning device provided by the above embodiment can be adjusted by moving the slider 333, so that when the post insulator with a larger diameter is cleaned, the distance between the two semicircular cleaning heads can be adjusted to clean.
Of course, in other embodiments, the movement of the sliding block may be controlled electrically, for example, two driving motors are respectively installed at two ends of the horizontal rod 336 in the length direction, an output shaft of the driving motor is connected to a lead screw, the lead screw is connected to the sliding block 333 through a thread, and when the cleaning head is cleaning up and down, and when the diameters of the upper and lower parts facing the post insulators are different, the controller on the movable base can be used to control the driving of the driving motors at any time, so as to adjust the distance between the two semicircular water spraying pipes, improve the cleaning efficiency, and adapt to cleaning of various insulators.
Further, the cleaning head connected to the rotating column 321 in this embodiment includes a water storage pipe 322 with a hollow interior and a semicircular water spraying pipe 31; one section of the water storage pipe 322 in the length direction is connected with the rotating column 321, the other end of the water storage pipe is connected to a connecting port 311 in the middle of the semicircular water spray pipe through a water outlet 323, a water inlet 324 is formed in the water storage pipe 322, the water inlet 324 is connected with a water suction pump on the movable base through a water pipe, when the water suction pump is started, water in a standby water tank can be pumped into the water storage pipe 322, and finally the water is sprayed out along a plurality of spray heads on the inner wall surface of the semicircular water spray pipe 31 to clean the surface of the insulator.
Furthermore, the spray heads of the two spray pipes are symmetrically arranged.
As shown in fig. 5, in order to realize all-directional cleaning of the insulator string, each semicircular water spray pipe 31 of the present disclosure is provided with a plurality of pinholes on one surface facing the insulator string, and water is sprayed from the pinholes to wash the insulator; the semicircular water spraying pipe 31 is also hollow, a connecting port 311 is arranged on the outer side of the arc cleaning head, and the arc cleaning head is connected with a water outlet 323 of the water cleaning and storing pipe 322 through threads, so that the arc cleaning head is communicated with the cleaning head, and the cleaning heads with different arc sizes can be replaced at any time aiming at insulator strings with different diameters.
In addition, the semicircular sprinkler 31 in the above embodiment can be flexible and can change into a straight pipe or a household arc shape under the condition of stress, so that the cleaning can be performed on a rectangular frame or a radiator-like shape.
The above description is only exemplary of the present disclosure, and not intended to limit the present disclosure to the particular embodiments, but is intended to cover all modifications, equivalents, improvements, and equivalents included within the spirit and scope of the present disclosure.
Other technical features than those described in the specification are known to those skilled in the art, and are not described in detail herein in order to highlight the novel features of the present invention.

Claims (10)

1. The utility model provides a rotatory belt cleaning device of post insulator cleaning machine, a serial communication port, including removing the base, be equipped with the lift track on removing the base be equipped with the T type cleaning head support that can do vertical motion on the lift track, be equipped with respectively at the both ends of the horizon bar length direction of T type cleaning head support and can center on the rotatory column spinner of 360 degrees of self axis, the cleaning head is connected to the column spinner, the column spinner can move on the horizon bar of T type cleaning head support.
2. The rotary cleaning device for the post insulator cleaning machine according to claim 1, wherein a sliding groove is provided on a side surface of the horizontal rod of the T-shaped cleaning head holder facing the post insulator, two sliders are provided in the sliding groove, each slider is provided with a projection higher than an upper surface of the horizontal rod of the T-shaped cleaning head holder, and the rotary column is rotatably provided on the projection.
3. The rotary cleaning device for the post insulator cleaning machine according to claim 2, wherein a cylindrical hole is formed on the protrusion, the rotary column is fixed in the cylindrical hole through a bearing, a rotary speed reduction motor is fixed on the protrusion at one side of the cylindrical hole, an output shaft of the rotary speed reduction motor is connected with a driving gear, and a driven gear meshed with the driving gear is arranged at the end part of the rotary column.
4. The rotary cleaning device for the post insulator cleaning machine according to claim 1, wherein the bottom end of the movable base is provided with casters, and the casters are mounted at four corners of the bottom end of the movable platform.
5. The rotary cleaning device for the post insulator cleaning machine according to claim 1, wherein the cleaning head comprises a water storage pipe with a hollow interior and a semicircular water spray pipe; one section of the water storage pipe in the length direction is connected with the rotating column, the other end of the water storage pipe is connected to the middle position of the semicircular water spraying pipe, a water inlet is formed in the water storage pipe, and a plurality of spray heads are uniformly arranged on the inner wall surface of the semicircular water spraying pipe.
6. The rotary cleaning apparatus for post insulator cleaning machine according to claim 5, wherein the nozzles of the two water spray pipes are symmetrically arranged.
7. The rotary cleaning apparatus for a post insulator cleaning machine according to claim 5, wherein said semicircular sprinkler tube is flexible.
8. The rotary cleaning device for the post insulator cleaning machine according to claim 1, wherein the movable base is further provided with a water tank, a water pump and a controller.
9. The rotary cleaning device for the post insulator cleaning machine according to claim 1, wherein a lifting power system is provided on the lifting guide rail, and the lifting power system comprises a lifting motor, a lifting rope, a winding drum and a lifting platform; the lifting platform is provided with a pulley which can roll in a guide rail groove of the lifting track; the lifting motor is arranged at the upper end of the lifting track and is connected with the winding drum; one end of the lifting rope is fixed on the lifting platform, and the other end of the lifting rope is wound on the winding drum.
10. The rotary cleaning apparatus for a post insulator cleaning machine according to claim 9, wherein the T-shaped cleaning head bracket is detachably fixed to the elevating platform.
CN202011111226.0A 2020-10-16 2020-10-16 Rotatory belt cleaning device of insulator cleaning machine Pending CN112408238A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011111226.0A CN112408238A (en) 2020-10-16 2020-10-16 Rotatory belt cleaning device of insulator cleaning machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011111226.0A CN112408238A (en) 2020-10-16 2020-10-16 Rotatory belt cleaning device of insulator cleaning machine

Publications (1)

Publication Number Publication Date
CN112408238A true CN112408238A (en) 2021-02-26

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ID=74840048

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011111226.0A Pending CN112408238A (en) 2020-10-16 2020-10-16 Rotatory belt cleaning device of insulator cleaning machine

Country Status (1)

Country Link
CN (1) CN112408238A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113040059A (en) * 2021-03-15 2021-06-29 李海涛 Cleaning device is encircleed in animal husbandry
CN114643223A (en) * 2022-03-31 2022-06-21 北京北方华创微电子装备有限公司 Cleaning device
CN115893252A (en) * 2022-12-31 2023-04-04 国网山东省电力公司莱阳市供电公司 Power equipment promotes erection equipment with location structure

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105834147A (en) * 2016-05-18 2016-08-10 杨金才 Cleaning method and device for transformer substation insulator
CN206286231U (en) * 2016-11-04 2017-06-30 国网河南商城县供电公司 A kind of insulator cleaning device
CN207899776U (en) * 2017-12-21 2018-09-25 广东冠能电力科技发展有限公司 A kind of insulator simple cleaning device
CN109225987A (en) * 2018-09-17 2019-01-18 中国南方电网有限责任公司超高压输电公司曲靖局 A kind of composite insulator intelligence sewage disposal apparatus
CN109304331A (en) * 2018-10-22 2019-02-05 中国地质大学(武汉) A kind of insulator cleaning device and method
CN110694983A (en) * 2019-10-17 2020-01-17 国网山东省电力公司鱼台县供电公司 Rotatory belt cleaning device of insulator chain
CN111232201A (en) * 2020-03-03 2020-06-05 国网湖北省电力有限公司宜昌供电公司 Multifunctional insulator cleaning unmanned aerial vehicle

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105834147A (en) * 2016-05-18 2016-08-10 杨金才 Cleaning method and device for transformer substation insulator
CN206286231U (en) * 2016-11-04 2017-06-30 国网河南商城县供电公司 A kind of insulator cleaning device
CN207899776U (en) * 2017-12-21 2018-09-25 广东冠能电力科技发展有限公司 A kind of insulator simple cleaning device
CN109225987A (en) * 2018-09-17 2019-01-18 中国南方电网有限责任公司超高压输电公司曲靖局 A kind of composite insulator intelligence sewage disposal apparatus
CN109304331A (en) * 2018-10-22 2019-02-05 中国地质大学(武汉) A kind of insulator cleaning device and method
CN110694983A (en) * 2019-10-17 2020-01-17 国网山东省电力公司鱼台县供电公司 Rotatory belt cleaning device of insulator chain
CN111232201A (en) * 2020-03-03 2020-06-05 国网湖北省电力有限公司宜昌供电公司 Multifunctional insulator cleaning unmanned aerial vehicle

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113040059A (en) * 2021-03-15 2021-06-29 李海涛 Cleaning device is encircleed in animal husbandry
CN114643223A (en) * 2022-03-31 2022-06-21 北京北方华创微电子装备有限公司 Cleaning device
CN115893252A (en) * 2022-12-31 2023-04-04 国网山东省电力公司莱阳市供电公司 Power equipment promotes erection equipment with location structure
CN115893252B (en) * 2022-12-31 2024-05-10 国网山东省电力公司莱阳市供电公司 Power equipment promotes erection equipment with location structure

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Application publication date: 20210226

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