CN113059457A - Automatic cleaning, rust removing and maintaining mechanism acting on surface of electric machine - Google Patents

Automatic cleaning, rust removing and maintaining mechanism acting on surface of electric machine Download PDF

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Publication number
CN113059457A
CN113059457A CN202110321257.7A CN202110321257A CN113059457A CN 113059457 A CN113059457 A CN 113059457A CN 202110321257 A CN202110321257 A CN 202110321257A CN 113059457 A CN113059457 A CN 113059457A
Authority
CN
China
Prior art keywords
frame
clamping
fixedly connected
rotating
base
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Withdrawn
Application number
CN202110321257.7A
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Chinese (zh)
Inventor
田中圃
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.)
Nanjing Maoru Trading Co ltd
Original Assignee
Nanjing Maoru Trading 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 Nanjing Maoru Trading Co ltd filed Critical Nanjing Maoru Trading Co ltd
Priority to CN202110321257.7A priority Critical patent/CN113059457A/en
Publication of CN113059457A publication Critical patent/CN113059457A/en
Withdrawn legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B27/00Other grinding machines or devices
    • B24B27/033Other grinding machines or devices for grinding a surface for cleaning purposes, e.g. for descaling or for grinding off flaws in the surface
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B41/00Component parts such as frames, beds, carriages, headstocks
    • B24B41/007Weight compensation; Temperature compensation; Vibration damping
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B41/00Component parts such as frames, beds, carriages, headstocks
    • B24B41/02Frames; Beds; Carriages
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B41/00Component parts such as frames, beds, carriages, headstocks
    • B24B41/04Headstocks; Working-spindles; Features relating thereto
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B41/00Component parts such as frames, beds, carriages, headstocks
    • B24B41/06Work supports, e.g. adjustable steadies
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B47/00Drives or gearings; Equipment therefor
    • B24B47/10Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces
    • B24B47/12Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces by mechanical gearing or electric power

Abstract

The invention relates to the technical field of electrical mechanical equipment, and discloses an automatic cleaning, derusting and maintaining mechanism acting on the surface of an electrical machine, which comprises a base, wherein the front surface of the base is slidably connected with a clamping frame, the inside of the base is rotatably connected with a clamping wheel, a clamping screw rod is in threaded connection between the clamping frames, a balance ball is movably connected inside the clamping frame, the inside of the clamping frame is slidably connected with a balance frame, the outer side of the balance frame is sleeved with a return spring, and a buffer frame is slidably connected between the balance frames. This act on automatic cleaning rust cleaning maintenance mechanism in electrical machinery surface drives through the pinch roller and presss from both sides the tight screw rotation, and the tight screw that presss from both sides drives and presss from both sides tight frame displacement, and the tight frame of clamp is to computer gimbal displacement, and the gimbal drives the displacement of buffering frame, and the buffering frame drives the swivel mount displacement, and the cooperation of mechanisms such as rethread clamping jaw and stop nut is used to reach the tight effect of automatic balance buffering clamp.

Description

Automatic cleaning, rust removing and maintaining mechanism acting on surface of electric machine
Technical Field
The invention relates to the technical field of electrical mechanical equipment, in particular to an automatic cleaning, derusting and maintaining mechanism acting on the surface of an electrical machine.
Background
With the development of society and the continuous progress of the technological level, the industrial production efficiency becomes faster due to the development of automation, the automation technology is widely applied to the aspects of industry, agriculture, military, scientific research, transportation, commerce, medical treatment, service, families and the like, the life of people is greatly facilitated, and in the production of automation equipment, the major part of the automation equipment consists of electric machines, so that the maintenance of the electric machines becomes the important guarantee for the normal operation of the automation equipment.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides the automatic cleaning and rust removing maintenance mechanism acting on the surface of the electric machine, which has the advantages of automatic balancing, buffering and clamping, and more tidy automatic cleaning of the adjustable rotating speed, and solves the problems that the electric machine is difficult to fix during surface cleaning and difficult to clean during surface rust removing cleaning.
(II) technical scheme
In order to achieve the purpose of automatically balancing, buffering, clamping and adjusting the rotating speed to automatically clean and tidier, the invention provides the following technical scheme: the utility model provides an act on automatic clearance rust cleaning maintenance mechanism in electrical machinery surface, includes the base, the positive sliding connection of base has the clamping frame, the inside of base is rotated and is connected with the tight pulley of clamp, threaded connection has clamping screw between the clamping frame, the inside swing joint of clamping frame has balanced ball, the inside sliding connection of clamping frame has the balancing stand, reset spring has been cup jointed in the outside of balancing stand, sliding connection has the cushion frame between the balancing stand, the inside of cushion frame is rotated and is connected with the swivel mount, the inside sliding connection of swivel mount has the clamping jaw, swing joint has clamping spring between the clamping jaw, the one end of clamping jaw is rotated and is connected with supporting component, supporting spring has been cup jointed in the outside of swivel mount, the outside threaded connection of swivel mount has stop nut, the inside of clamping frame is rotated and is connected with joint gear, the gear train with switch the slide bar, the outside fixedly connected with switching gear that switches the slide bar, the strong magnetism stator of inside fixedly connected with of clamping frame, the inside rotation of strong magnetism stator is connected with rotary coil, rotary coil's the outside is rotated and is connected with drive gear, the positive fixedly connected with fixing base of base, the inside swing joint of fixing base has the roating seat, it is connected with the fixed plate to rotate between the roating seat, the top fixedly connected with support frame of fixed plate, the top sliding connection of fixed plate has the pinch-off blades, the bottom of support frame is rotated and is connected with and presss from both sides tight pulley, the inside rotation of support frame is connected with braking component.
Preferably, the front surface of the base is fixedly connected with a slide rail slide block, the slide rail is fixedly connected with the base, the slide block is fixedly connected with the clamping frame, and the back surface of the base is fixedly connected with a motor.
Preferably, the inside of the clamping frame is provided with an arc-shaped through hole matched with the balance ball, the inside of the clamping frame is provided with a circular sliding groove matched with the switching sliding rod, and the inside of the clamping frame is provided with a movable groove matched with the rotating frame.
Preferably, the clamping screw rods are fixedly connected by two screw rods with opposite spiral lines, the two screw rods are respectively in threaded connection with the clamping frames on the two sides, the outer sides of the clamping screw rods are fixedly connected with bevel gears, and the bevel gears are in meshed connection with the clamping wheels.
Preferably, the balancing stand is U type, and the one end fixedly connected with rectangle slide rail of balancing stand, the inside of balancing stand offer with the rectangle spout of buffering frame adaptation, the inside circular port of rectangle spout.
Preferably, the outside fixedly connected with annular slide rail of swivel mount, the inside of swivel mount set up with the rectangle spout of clamping jaw adaptation, the one end fixedly connected with of swivel mount and the square joint axle of joint gear adaptation, the rectangle spout with the supporting component adaptation is seted up in the outside of swivel mount, the one end of swivel mount is seted up threadedly.
Preferably, the outer side of the switching slide bar is provided with a rectangular sliding groove, the outer side of the switching slide bar is fixedly connected with a switching gear, and the switching gear is respectively connected with the gear set and the transmission gear in a meshed mode.
(III) advantageous effects
Compared with the prior art, the invention provides an automatic cleaning and rust removing maintenance mechanism acting on the surface of an electric machine, which has the following beneficial effects:
1. this act on automatic cleaning rust cleaning maintenance mechanism in electrical machinery surface drives through the pinch roller and presss from both sides the tight screw rotation, and the tight screw that presss from both sides drives and presss from both sides tight frame displacement, and the tight frame of clamp is to computer gimbal displacement, and the gimbal drives the displacement of buffering frame, and the buffering frame drives the swivel mount displacement, and the cooperation of mechanisms such as rethread clamping jaw and stop nut is used to reach the tight effect of automatic balance buffering clamp.
2. This act on automatic cleaning rust cleaning maintenance mechanism in electrical machinery surface, it is rotatory to drive gear through swivel coil, drive gear drives and switches the slide bar rotatory, it is rotatory that the slide bar that switches drives switches the gear, it is rotatory that the gear train drives the joint gear, the joint gear drives the swivel mount and rotates, the cooperation of mechanisms such as rethread buffering frame is used, thereby reach the more clean and tidy effect of regulation formula rotational speed automatic clearance.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of a clamping structure of the present invention;
FIG. 3 is a schematic view of a rotary structure of the present invention;
FIG. 4 is a schematic view of a clamping structure according to the present invention.
In the figure: 1. a base; 2. a clamping frame; 3. a pinch wheel; 4. clamping the screw rod; 5. balancing balls; 6. a balancing stand; 7. a return spring; 8. a buffer frame; 9. a rotating frame; 10. a clamping jaw; 11. a clamping spring; 12. a support assembly; 13. a support spring; 14. a limit nut; 15. clamping a gear; 16. a gear set; 17. switching the sliding rods; 18. a switching gear; 19. a transmission gear; 20. a rotating coil; 21. a ferromagnetic stator; 22. a fixed seat; 23. a rotating base; 24. a fixing plate; 25. a support frame; 26. a clamping plate; 27. clamping the pulley; 28. and a brake assembly.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, an automatic cleaning and rust removing maintenance mechanism for an electrical machine surface comprises a base 1, a slide rail slider fixedly connected to the front of the base 1, a slide rail fixedly connected to the base 1, a slider fixedly connected to a clamping frame 2, a motor fixedly connected to the back of the base 1, a clamping frame 2 slidably connected to the front of the base 1, an arc-shaped through hole matched with a balance ball 5 formed in the clamping frame 2, a circular sliding slot matched with a switching slide bar 17 formed in the clamping frame 2, a movable slot matched with a rotating frame 9 formed in the clamping frame 2, a clamping wheel 3 rotatably connected to the inside of the base 1, a clamping screw 4 threadedly connected between the clamping frames 2, the clamping screw 4 fixedly connected by two screws with opposite spiral lines, the two screws respectively threadedly connected to the clamping frames 2 on both sides, and a bevel gear fixedly connected to the outer side of the clamping screw 4, bevel gear is engaged with the clamping wheel 3, the inside of the clamping frame 2 is movably connected with a balance ball 5, the inside of the clamping frame 2 is connected with a balance frame 6 in a sliding way, the balance frame 6 is U-shaped, one end of the balance frame 6 is fixedly connected with a rectangular slide rail, the inside of the balance frame 6 is provided with a rectangular slide groove matched with the buffer frame 8, the inside of the rectangular slide groove is provided with a circular hole, the outside of the balance frame 6 is sleeved with a reset spring 7, the buffer frame 8 is connected between the balance frames 6 in a sliding way, the inside of the buffer frame 8 is rotatably connected with a rotating frame 9, the outside of the rotating frame 9 is fixedly connected with an annular slide rail, the inside of the rotating frame 9 is provided with a rectangular slide groove matched with the clamping jaw 10, one end of the rotating frame 9 is fixedly connected with a square clamping shaft matched with a clamping gear 15, the outside of the rotating frame, a clamping jaw 10 is connected to the inside of a rotating frame 9 in a sliding manner, a clamping spring 11 is movably connected between the clamping jaws 10, one end of the clamping jaw 10 is rotatably connected with a supporting component 12, a supporting spring 13 is sleeved on the outer side of the rotating frame 9, a limit nut 14 is connected to the outer side of the rotating frame 9 in a threaded manner, a clamping gear 15, a gear set 16 and a switching slide bar 17 are rotatably connected to the inside of the clamping frame 2, a rectangular sliding groove is formed in the outer side of the switching slide bar 17, a switching gear 18 is fixedly connected to the outer side of the switching slide bar 17, the switching gear 18 is respectively meshed with the gear set 16 and a transmission gear 19, a switching gear 18 is fixedly connected to the outer side of the switching slide bar 17, a strong magnetic stator 21 is fixedly connected to the inside of the clamping frame 2, a rotating coil 20 is rotatably connected to, the inside swing joint of fixing base 22 has roating seat 23, rotates between the roating seat 23 to be connected with fixed plate 24, and the top fixedly connected with support frame 25 of fixed plate 24, the top sliding connection of fixed plate 24 has pinch-off blades 26, and the bottom of support frame 25 rotates and is connected with clamping pulley 27, and the inside of support frame 25 rotates and is connected with brake assembly 28.
The working principle is as follows: when the invention is used for removing rust on the surface of an electric machine and uniformly smearing and maintaining, the electric machine is placed between clamping frames 2, a clamping wheel 3 drives a clamping screw rod 4 to rotate, the clamping screw rod 4 drives the clamping frames 2 to displace, the clamping frames 2 drive a balancing frame 6 to displace, the balancing frame 6 drives a buffer frame 8 to displace, the buffer frame 8 drives a rotating frame 9 to displace, the two clamping frames 2 approach to each other to clamp the electric machine, the buffer frame 8 drives the rotating frame 9 to be meshed with a clamping gear 15 in the clamping process, simultaneously a limiting nut 14 is rotated, the limiting nut 14 drives a supporting component 12 to displace, the supporting component 12 drives a clamping jaw 10 to displace, the clamping jaw 10 clamps the electric machine, and the electric machine can automatically balance, align and clamp under the action of a balancing ball 5 in the clamping process, so that the automatic balancing, buffering and clamping effects are achieved, after clamping, drive gear 19 through rotary coil 20 and rotate, drive gear 19 drives and switches slide bar 17 rotatory, it is rotatory that switch slide bar 17 drives and switches gear 18, it is rotatory that switching gear 18 drives gear train 16, gear train 16 drives joint gear 15 and rotates, joint gear 15 drives swivel mount 9 and rotates, swivel mount 9 drives clamping jaw 10 and rotates, clamping jaw 10 drives the electrical machinery rotation, thereby reach the automatic cleaner and tidier effect of regulation formula rotational speed, put into between fixed plate 24 the cleaning brush, it is rotatory that rotation braking subassembly 28 drives clamping pulley 27, clamping pulley 27 drives clamping plate 26 and presss from both sides tight fixedly to the cleaning brush, use at the cooperation of roating seat 23 this moment, can carry out small amplitude deflection, carry out rust cleaning and maintenance to electrical machinery.
Having shown and described embodiments of the present invention, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in the embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides an act on automatic clearance rust cleaning maintenance mechanism in electrical machinery surface, includes base (1), its characterized in that: the front side of the base (1) is connected with a clamping frame (2) in a sliding manner, the inside of the base (1) is connected with a clamping wheel (3) in a rotating manner, a clamping screw (4) is connected between the clamping frames (2) in a threaded manner, a balance ball (5) is movably connected inside the clamping frame (2), a balance frame (6) is connected inside the clamping frame (2) in a sliding manner, a reset spring (7) is sleeved outside the balance frame (6), a buffer frame (8) is connected between the balance frames (6) in a sliding manner, a rotating frame (9) is connected inside the buffer frame (8) in a rotating manner, a clamping jaw (10) is connected inside the rotating frame (9) in a sliding manner, a clamping spring (11) is movably connected between the clamping jaws (10), one end of the clamping jaw (10) is connected with a supporting component (12) in a rotating manner, and a supporting spring (13) is, the outer side of the rotating frame (9) is in threaded connection with a limiting nut (14), the clamping frame (2) is connected with a clamping gear (15), a gear set (16) and a switching slide rod (17) in an internal rotating mode, the switching slide rod (17) is connected with a switching gear (18) in an external fixed mode, the clamping frame (2) is connected with a strong magnetic stator (21) in an internal fixed mode, the strong magnetic stator (21) is connected with a rotating coil (20) in an internal rotating mode, the rotating coil (20) is connected with a transmission gear (19) in an external rotating mode, a front fixed seat (22) of the base (1) is fixedly connected with, a rotating seat (23) is movably connected with the fixed seat (22) in an internal rotating mode, a fixed plate (24) is connected between the rotating seats (23) in a rotating mode, a supporting frame (25) is fixedly connected with the top of the fixed plate, the bottom of support frame (25) rotates and is connected with clamping pulley (27), the inside of support frame (25) rotates and is connected with braking component (28).
2. The automatic cleaning and rust removing maintenance mechanism acting on the surface of the electric machine as claimed in claim 1, wherein: the front side of the base (1) is fixedly connected with a slide rail slide block, the slide rail is fixedly connected with the base (1), the slide block is fixedly connected with the clamping frame (2), and the back side of the base (1) is fixedly connected with a motor.
3. The automatic cleaning and rust removing maintenance mechanism acting on the surface of the electric machine as claimed in claim 1, wherein: the arc-shaped through hole matched with the balance ball (5) is formed in the clamping frame (2), the circular sliding groove matched with the switching sliding rod (17) is formed in the clamping frame (2), and the movable groove matched with the rotating frame (9) is formed in the clamping frame (2).
4. The automatic cleaning and rust removing maintenance mechanism acting on the surface of the electric machine as claimed in claim 1, wherein: the clamping screw rods (4) are fixedly connected by two screw rods with opposite spiral lines, the two screw rods are respectively in threaded connection with the clamping frames (2) on the two sides, the outer sides of the clamping screw rods (4) are fixedly connected with bevel gears, and the bevel gears are meshed with the clamping wheels (3).
5. The automatic cleaning and rust removing maintenance mechanism acting on the surface of the electric machine as claimed in claim 1, wherein: the utility model discloses a buffer frame, be equipped with the inside circular port of buffer frame (8), the one end fixedly connected with rectangle slide rail of balancing stand (6), the inside of balancing stand (6) is seted up with the rectangle spout of buffer frame (8) adaptation, rectangle spout.
6. The automatic cleaning and rust removing maintenance mechanism acting on the surface of the electric machine as claimed in claim 1, wherein: the outside fixedly connected with annular slide rail of swivel mount (9), the inside of swivel mount (9) offer with the rectangle spout of clamping jaw (10) adaptation, the square joint axle of the one end fixedly connected with and joint gear (15) adaptation of swivel mount (9), the rectangle spout with supporting component (12) adaptation is offered in the outside of swivel mount (9), the one end of swivel mount (9) is seted up threadedly.
7. The automatic cleaning and rust removing maintenance mechanism acting on the surface of the electric machine as claimed in claim 1, wherein: the outer side of the switching slide rod (17) is provided with a rectangular sliding groove, the outer side of the switching slide rod (17) is fixedly connected with a switching gear (18), and the switching gear (18) is respectively in meshed connection with the gear set (16) and the transmission gear (19).
CN202110321257.7A 2021-03-25 2021-03-25 Automatic cleaning, rust removing and maintaining mechanism acting on surface of electric machine Withdrawn CN113059457A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110321257.7A CN113059457A (en) 2021-03-25 2021-03-25 Automatic cleaning, rust removing and maintaining mechanism acting on surface of electric machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110321257.7A CN113059457A (en) 2021-03-25 2021-03-25 Automatic cleaning, rust removing and maintaining mechanism acting on surface of electric machine

Publications (1)

Publication Number Publication Date
CN113059457A true CN113059457A (en) 2021-07-02

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Application Number Title Priority Date Filing Date
CN202110321257.7A Withdrawn CN113059457A (en) 2021-03-25 2021-03-25 Automatic cleaning, rust removing and maintaining mechanism acting on surface of electric machine

Country Status (1)

Country Link
CN (1) CN113059457A (en)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN207656306U (en) * 2017-12-05 2018-07-27 济南德嘉机械有限公司 A kind of water pump Working piece positioning device
CN111229745A (en) * 2020-03-20 2020-06-05 三门前庭机械科技有限公司 Industrial pipeline surface rust removal robot
CN211053301U (en) * 2019-12-17 2020-07-21 福鼎市科龙汽车部件有限公司 Edge polishing equipment for piston production
CN211565329U (en) * 2019-12-27 2020-09-25 青岛东旭晟电力设备有限公司 Outer wall grinding device is used in steel pipe pole processing
CN112259353A (en) * 2020-11-02 2021-01-22 赵志强 Processing technology for oil tank of oil-immersed transformer
CN112405277A (en) * 2020-11-11 2021-02-26 南京海晨霞工程科技有限公司 Steel material rust cleaning device for building engineering
CN112520296A (en) * 2020-12-23 2021-03-19 巩铁凡 Circulating little part storage structure in warehouse that acts on enterprise management

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN207656306U (en) * 2017-12-05 2018-07-27 济南德嘉机械有限公司 A kind of water pump Working piece positioning device
CN211053301U (en) * 2019-12-17 2020-07-21 福鼎市科龙汽车部件有限公司 Edge polishing equipment for piston production
CN211565329U (en) * 2019-12-27 2020-09-25 青岛东旭晟电力设备有限公司 Outer wall grinding device is used in steel pipe pole processing
CN111229745A (en) * 2020-03-20 2020-06-05 三门前庭机械科技有限公司 Industrial pipeline surface rust removal robot
CN112259353A (en) * 2020-11-02 2021-01-22 赵志强 Processing technology for oil tank of oil-immersed transformer
CN112405277A (en) * 2020-11-11 2021-02-26 南京海晨霞工程科技有限公司 Steel material rust cleaning device for building engineering
CN112520296A (en) * 2020-12-23 2021-03-19 巩铁凡 Circulating little part storage structure in warehouse that acts on enterprise management

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Application publication date: 20210702

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