CN108747768A - A kind of special rust remover of color steel tile - Google Patents

A kind of special rust remover of color steel tile Download PDF

Info

Publication number
CN108747768A
CN108747768A CN201810816578.2A CN201810816578A CN108747768A CN 108747768 A CN108747768 A CN 108747768A CN 201810816578 A CN201810816578 A CN 201810816578A CN 108747768 A CN108747768 A CN 108747768A
Authority
CN
China
Prior art keywords
section
color steel
steel tile
bottom plate
shaft part
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Withdrawn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
CN201810816578.2A
Other languages
Chinese (zh)
Inventor
黄也文
俞家胜
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.)
Tongling Ferrous Construction & Installation Steel Structure Co Ltd
Original Assignee
Tongling Ferrous Construction & Installation Steel Structure 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 Tongling Ferrous Construction & Installation Steel Structure Co Ltd filed Critical Tongling Ferrous Construction & Installation Steel Structure Co Ltd
Priority to CN201810816578.2A priority Critical patent/CN108747768A/en
Publication of CN108747768A publication Critical patent/CN108747768A/en
Withdrawn legal-status Critical Current

Links

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
    • B24B27/0092Grinding attachments for lathes or the like
    • 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

Abstract

The present invention relates to a kind of special rust removers of color steel tile, including bottom plate, a pair of of direction-caster is provided with below bottom plate, there are two the first connecting plates for the front setting of bottom plate, it is provided with derusting device between two the first connecting plates, derusting device includes shaft, shaft includes positioned at intermediate six-edged axis section and half shaft part of circle for being installed in six-edged axis section both ends, the outer cover of six-edged axis section is set there are two brush roll, the both sides of brush roll are respectively arranged with multiple axle sleeves to match with six-edged axis section, the outer cover of half shaft part of circle is equipped with multiple first nuts, the rear end of bottom plate is additionally provided with a pair of second connecting plate, second connecting plate includes riser section and the transverse slat section above riser section, pressure-regulating device is provided with below transverse slat section.The special rust remover of the color steel tile can carry out derusting operation to the tiling of color steel tile intermediate projections both sides simultaneously, and rust cleaning efficiency is high, and derusting effect is good, simple to operate.

Description

A kind of special rust remover of color steel tile
Technical field
The present invention relates to a kind of special rust removers of color steel tile, belong to technical field of buildings.
Background technology
Color steel tile is suitable for industry and civil buildings, warehouse, extraordinary building, the roofing in large-span steel house, metope And decorating inner and external walls etc., there is light, high-strength, color and luster to enrich, convenient and quick construction, antidetonation, fire prevention, rain-proof, long lifespan, exempt from The features such as safeguarding, by wide popularization and application.
Erecting bed in construction site, since color steel tile is often exposed to outside, when it gets rusty, generally use is manually removed Rust derusts by derusting device.Artificial derusting labor intensity is big, and rust cleaning efficiency is low.Common derusting device is usually logical It crosses trolley repacking to be made, installs a servo motor additional on trolley, a steel wire roller, the steel are installed additional in trolley leading portion Roll dies drives steel wire roller to rotate by servo motor by transmission belt, and the steel wire roller of rotation can remove the color steel tile got rusty Rust.But since current steel wire roller length is fixed, and the sample diversified in specifications of color steel tile, derusting operation underaction, rust cleaning efficiency It is limited;And the steel wire of steel wire roller surface is to the pressing force of color steel tile generally by the push rod of hand pressure or portable trolley come real Existing, operation is laborious.
Invention content
The present invention is in view of the deficienciess of the prior art, provide a kind of special rust remover of color steel tile, specific technical solution It is as follows:
A kind of special rust remover of color steel tile, including bottom plate are provided with a pair of of direction-caster below the bottom plate, described fixed The front of wheel seat and bottom plate to castor is fixedly connected, and the rear end of the bottom plate is installed with U-shaped push rod, is set in front of the bottom plate It sets there are two the first connecting plate, the tail end of first connecting plate is fixedly connected with the front of bottom plate, is arranged between two the first connecting plates It includes shaft to have derusting device, the derusting device, and the shaft includes positioned at intermediate six-edged axis section and being installed in six-edged axis Half shaft part of circle at section both ends, the outer cover of the six-edged axis section are set there are two brush roll, and the both sides of the brush roll are respectively arranged with more A axle sleeve to match with six-edged axis section, the axle sleeve are set in the outside of six-edged axis section;The head end of first connecting plate is fixed There are the bearing block to match with half shaft part of circle, end and the bearing block of half shaft part of the circle to be rotatablely connected, half shaft part of the circle Outer cover is equipped with multiple first nuts, and first nut is threadedly coupled with half shaft part of circle;The rear end of the bottom plate is additionally provided with A pair of second connecting plate, second connecting plate includes riser section and the transverse slat section above riser section, the lower end of the riser section It is fixedly connected with the rear end of bottom plate, the upper end of the riser section is fixedly connected with the tail end of transverse slat section;The lower section of the transverse slat section It is provided with pressure-regulating device.
As an improvement of the above technical solution, the pressure-regulating device include universal wheel, spring, adjustable column, threaded post, The second nut to match with threaded post, the lower end of the spring are fixedly connected with the wheel seat of universal wheel, under the adjustable column End is fixedly connected with the upper end of spring, and the upper end of the adjustable column is provided with the screw hole to match with threaded post, the threaded post Lower end be threadedly coupled with screw hole, the upper end of the threaded post is fixedly connected with transverse slat section, and second nut setting is being adjusted The top of column.
As an improvement of the above technical solution, the brush roll includes multiple brushing pieces being set in outside six-edged axis section, described Brushing piece includes disk, and the center of the disk is provided with regular hexagon mounting hole compatible with six-edged axis section, the disk Edge is provided with metal brush filament to external radiation, and the tail end of the metal brush filament is fixedly connected with the edge of disk.
As an improvement of the above technical solution, the baffle that cross section is arc, the gear are provided with above the brush roll The tail end of plate is fixedly connected with the front of bottom plate.
As an improvement of the above technical solution, it is clearance fit between the mounting hole and six-edged axis section.
As an improvement of the above technical solution, the outside of the adjustable column is installed with handle.
As an improvement of the above technical solution, the length of side of six-edged axis section cross section is more than maximum half of half shaft part of circle Diameter.
As an improvement of the above technical solution, the inner wall of the axle sleeve is regular hexagonal prism shape, the inner wall of the axle sleeve and six It is clearance fit between rib shaft part.
The special rust remover of color steel tile of the present invention can simultaneously derust to the tiling of color steel tile intermediate projections both sides Operation, rust cleaning efficiency is high, and derusting effect is good, simple to operate.
Description of the drawings
Fig. 1 is the structural schematic diagram of the special rust remover of color steel tile of the present invention;
Fig. 2 is the structural schematic diagram (vertical view state) of the special rust remover of color steel tile of the present invention;
Fig. 3 is the structural schematic diagram of derusting device of the present invention;
Fig. 4 is the structural schematic diagram (side view state) of shaft of the present invention;
Fig. 5 is the structural schematic diagram of brushing piece of the present invention;
Fig. 6 is the structural schematic diagram of pressure-regulating device of the present invention.
Specific implementation mode
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, right The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and It is not used in the restriction present invention.
As shown in figures 1-4, the special rust remover of the color steel tile, including bottom plate 10, the lower section of the bottom plate 10 are provided with one To direction-caster 11, the wheel seat of the direction-caster 11 is fixedly connected with the front of bottom plate 10, and the rear end of the bottom plate 10 is fixed There is U-shaped push rod 12, there are two the first connecting plate 13, tail end and the bottom plates 10 of first connecting plate 13 for the front setting of the bottom plate 10 Front be fixedly connected, be provided with derusting device 20 between two the first connecting plates 13, the top of the bottom plate 10 be installed with for It includes shaft 21 to drive the motor 40 of derusting device 20, the derusting device 20, and the shaft 21 includes positioned at six intermediate ribs Shaft part 211 and half shaft part 212 of circle for being installed in 211 both ends of six-edged axis section, the outer cover of the six-edged axis section 211 set that there are two brushes The both sides of roller 23, the brush roll 23 are respectively arranged with multiple axle sleeves 25 to match with six-edged axis section 211, and the axle sleeve 25 is arranged In the outside of six-edged axis section 211;The head end of first connecting plate 13 is installed with the bearing block 22 to match with half shaft part 212 of circle, The end of half shaft part 212 of the circle is rotatablely connected with bearing block 22, and the outer cover of half shaft part 212 of the circle is used for supporting equipped with multiple First nut 26 of mandrel set 25, first nut 26 are threadedly coupled with half shaft part 212 of circle;The rear end of the bottom plate 10 is also set It is equipped with the second connecting plate of a pair of L-shaped 50, second connecting plate 50 includes riser section and the transverse slat section 51 above riser section, described The lower end of riser section is fixedly connected with the rear end of bottom plate 10, and the upper end of the riser section is fixedly connected with the tail end of transverse slat section 51; The lower section of the transverse slat section 51 is provided with pressure-regulating device 60.
It is the prior art that the motor 40, which drives the technology of derusting device 20, for example, in the present embodiment, by circle half The outside of shaft part 212 is installed with driven wheel 24, is installed with driving wheel 41 at the rotor of motor 40, driving wheel 41 and driven wheel 24 it Between be provided with transmission belt 30.The motor 40 may be selected servo motor, and motor 40 is powered rotation so that driving wheel 41 rotates, Driving wheel 41 drives driven wheel 24 to rotate by transmission belt 30, finally so that shaft 21 is rotated.
Currently, the structure of color steel tile 70 is as shown in figure 3, there is protrusion in the intermediate of color steel tile 70.At present in color steel tile 70 Between and edge portion structure it is irregular, generally use manually derusts;And the rest part of color steel tile 70 is known as color steel tile 70 The area of tiling, 70 tiling of color steel tile is big, can be rapidly removed by means of derusting machinery.The special derusting of color steel tile of the present invention Machine is also the rusty stain on the tiling for removing color steel tile 70.
For the derusting device 20 when carrying out derusting operation, two brush rolls 23 are placed exactly in the two of 70 intermediate projections of color steel tile Side, the axle sleeve 25 between two brush rolls 23 between two brush rolls 23 so that keep enough spacing;Further, the axle sleeve 25 Inner wall be regular hexagonal prism shape, between the inner wall and six-edged axis section 211 of the axle sleeve 25 be clearance fit.Among color steel tile 70 The width of protrusion increases, then can increase the quantity of axle sleeve 25 between two brush rolls 23 so that between two brush rolls 23 Away from becoming larger;Similarly, when the width of 70 intermediate projections of color steel tile becomes smaller, then the quantity of axle sleeve 25 between two brush rolls 23 can be reduced So that the spacing between two brush rolls 23 becomes smaller.Two brush rolls 23 rotate synchronously, the brush of rotation as shaft 21 rotates Roller 23 can carry out derusting operation to the rusty stain on the tiling of color steel tile 70.Wherein, the first nut 26 and circle half shaft part, 212 screw thread Connection, this can make the first nut 26 that can push against axle sleeve 25, also allow for two brush rolls 23 and be fixed on designated position.
The length of the brush roll 23 is greater than the half of 70 intermediate projections side tiling width of color steel tile, when two brush rolls 23 First be located at 70 intermediate projections of color steel tile both sides carry out derusting operation after, then two brush rolls 23 are located at 70 edge of color steel tile Both sides, so can then carry out derusting operation.Multiple color steel tiles 70 can be stitched together along its edge, this facilitates the color steel Watt special rust remover carries out derusting operation.
Further, since the lateral wall of half shaft part 212 of circle is there are one section of external screw thread, half shaft part 212 of circle exists most Large radius.The length of side of 211 cross section of six-edged axis section is more than the maximum radius of half shaft part 212 of circle.This makes the first nut 26 There is no blockings during pushing against axle sleeve 25.
Further, as shown in Fig. 3,5, the brush roll 23 includes multiple brushing pieces being set in outside six-edged axis section 211, institute It includes disk 231 to state brushing piece, and the center of the disk 231 is provided with regular hexagon mounting hole compatible with six-edged axis section 211 2311, the edge of the disk 231 is provided with metal brush filament 232, the tail end and disk of the metal brush filament 232 to external radiation 231 edge is fixedly connected.The length of brush roll 23 is adjusted by adjusting the quantity of brushing piece;For example, the quantity of brushing piece increases, brush The length of roller 23 increases;Similarly, the quantity of brushing piece is reduced, and the length of brush roll 23 reduces.The six-edged axis section 211 passes through positive six side Shape mounting hole 2311 is clearance fit for convenience of installing, between the mounting hole 2311 and six-edged axis section 211;Multiple brushing piece collection In be sleeved on the outside of six-edged axis section 211 and become brush roll 23.
The special rust remover of color steel tile is in descaling process, if metal brush filament 232 is on the tiling of color steel tile 70 Pressure is larger, then brushing piece dramatically increases the frictional force of 70 tiling of color steel tile when rotating, derusting significant effect improves, this makes Brushing piece can remove the deeper rusty stain of some depth of erosion;Although metal brush filament 232 is big to the pressure on the tiling of color steel tile 70 Derusting effect can be improved, but also results in some unrusted positions and is largely worn, therefore, when derusting operation, is first passed through Pressure-regulating device 60 makes metal brush filament 232 to the pressure on 70 tiling of color steel tile to adjust, at this pressure to color steel tile 70 tiling carries out derusting work;Later, if it find that some regions also remain a large amount of rusty stain, then being adjusted again by pressure Device 60 increases metal brush filament 232 to the pressure on 70 tiling of color steel tile, to 70 tiling of color steel tile when brushing piece rotates at this time Frictional force dramatically increases so that brushing piece can remove the deeper rusty stain of depth of erosion, and derusting significant effect improves.
Further, as a shown in Figure 6, the pressure-regulating device 60 include universal wheel 61, spring 62, adjustable column 63, Threaded post 65, the second nut 66 to match with threaded post 65, the lower end of the spring 62 is fixed with the wheel seat of universal wheel 61 to be connected It connects, the lower end of the adjustable column 63 is fixedly connected with the upper end of spring 62, and the upper end of the adjustable column 63 is provided with and threaded post 65 screw holes 631 to match, the lower end of the threaded post 65 are threadedly coupled with screw hole 631, upper end and the cross of the threaded post 65 Plate section 51 is fixedly connected, and second nut 66 is arranged in the top of adjustable column 63.
The pressure-regulating device 60 adjusts so that metal brush filament 232 is to the specific side of the pressure on 70 tiling of color steel tile Method is as follows:When needing to increase metal brush filament 232 to pressure on 70 tiling of color steel tile, the lower end due to threaded post 65 and screw hole 631 are threadedly coupled, and by rotating adjustable column 63 spacing between 63 upper end of adjustable column and transverse slat section 51 are become larger, adjustable column 63 Spacing between lower end and universal wheel 61 becomes smaller, this makes spring 62 that can be compressed, and the spring 62 of compression will produce elastic force, in bullet Under the action of power, transverse slat section 51 can be made by upward pulling force, due to the presence of direction-caster 11 so that direction-caster 11 becomes At fulcrum, according to lever principle, brush roll 23 is eventually promoted to push, this can make metal brush filament 232 on 70 tiling of color steel tile Pressure can become larger.
Under the limitation of direction-caster 11 so that bottom plate 10 can only be moved forward or rearward.Wherein, it is rotated in adjustable column 63 During, the universal wheel 61, spring 62 can also rotate, and universal wheel 61 is contacted with the tiling on ground or color steel tile 70 When, no matter which kind of angle universal wheel 61 is rotated, and universal wheel 61 can be moved forward or rearward always with bottom plate 10.Due to spiral shell The upper end of line column 65 is fixedly connected with transverse slat section 51, and during transverse slat section 51 is by upward pulling force, the spring 62 can Ensure that universal wheel 61 is contacted with ground or 70 tiling of color steel tile always by itself bending, it is final to ensure metal brush filament 232 can compress the tiling of color steel tile 70.
Further, for convenience of rotation adjustable column 63, the outside of the adjustable column 63 is installed with handle 67.
Further, the top of the brush roll 23 is provided with the baffle 14 that cross section is arc, the tail end of the baffle 14 It is fixedly connected with the front of bottom plate 10.The presence of baffle 14 makes the clast that brush roll 23 generates in descaling process splash upwards, The clast to splash is avoided to hurt worker.
In the above-described embodiments, the special rust remover of color steel tile of the present invention can be simultaneously to 70 intermediate projections two of color steel tile The tiling of side carries out derusting operation, and rust cleaning efficiency is high, and derusting effect is good.The length of spacing and brush roll 23 between two brush rolls 23 Degree can be adjusted according to actual needs, and operation is flexible, and implementation result is good.Brush roll can be adjusted by pressure-regulating device 60 Metal brush filament 232 on 23 is to the pressing force of 70 tiling of color steel tile, without being adjusted by way of hand pressure or portable push rod 12, Rapid operation.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention All any modification, equivalent and improvement etc., should all be included in the protection scope of the present invention made by within refreshing and principle.

Claims (8)

1. a kind of special rust remover of color steel tile, including bottom plate (10), a pair of of direction-caster is provided with below the bottom plate (10) (11), the wheel seat of the direction-caster (11) is fixedly connected with the front of bottom plate (10), and the rear end of the bottom plate (10) is installed with U Shape push rod (12), the front setting of the bottom plate (10) there are two the first connecting plate (13), the tail end of first connecting plate (13) with The front of bottom plate (10) is fixedly connected, and derusting device (20) is provided between two the first connecting plates (13), it is characterised in that:It is described Derusting device (20) includes shaft (21), and the shaft (21) includes positioned at intermediate six-edged axis section (211) and being installed in six ribs Half shaft part of circle (212) at shaft part (211) both ends, the outer cover of the six-edged axis section (211) set that there are two brush roll (23), the brushes The both sides of roller (23) are respectively arranged with multiple axle sleeves (25) to match with six-edged axis section (211), and the axle sleeve (25) is set in The outside of six-edged axis section (211);The head end of first connecting plate (13) is installed with the bearing block to match with half shaft part of circle (212) (22), the end of half shaft part of the circle (212) is rotatablely connected with bearing block (22), and the outside of half shaft part of the circle (212) is arranged There are multiple first nuts (26), first nut (26) to be threadedly coupled with half shaft part of circle (212);The rear end of the bottom plate (10) It is additionally provided with a pair of second connecting plate (50), second connecting plate (50) includes riser section and the transverse slat section above riser section (51), the lower end of the riser section is fixedly connected with the rear end of bottom plate (10), upper end and the transverse slat section (51) of the riser section Tail end is fixedly connected;It is provided with pressure-regulating device (60) below the transverse slat section (51).
2. the special rust remover of a kind of color steel tile according to claim 1, it is characterised in that:The pressure-regulating device (60) Including universal wheel (61), spring (62), adjustable column (63), threaded post (65), the second nut to match with threaded post (65) (66), the lower end of the spring (62) is fixedly connected with the wheel seat of universal wheel (61), the lower end of the adjustable column (63) and spring (62) upper end is fixedly connected, and the upper end of the adjustable column (63) is provided with the screw hole (631) to match with threaded post (65), institute The lower end for stating threaded post (65) is threadedly coupled with screw hole (631), upper end and the fixed company of transverse slat section (51) of the threaded post (65) It connects, top of the second nut (66) setting in adjustable column (63).
3. the special rust remover of a kind of color steel tile according to claim 1, it is characterised in that:The brush roll (23) includes multiple It is set in the external brushing piece of six-edged axis section (211), the brushing piece includes disk (231), and the center of the disk (231) is provided with The compatible regular hexagon mounting hole (2311) with six-edged axis section (211), the edge of the disk (231) are provided with to external radiation The tail end of metal brush filament (232), the metal brush filament (232) is fixedly connected with the edge of disk (231).
4. the special rust remover of a kind of color steel tile according to claim 1, it is characterised in that:It is set above the brush roll (23) It is equipped with the baffle (14) that cross section is arc, the tail end of the baffle (14) is fixedly connected with the front of bottom plate (10).
5. the special rust remover of a kind of color steel tile according to claim 3, it is characterised in that:The mounting hole (2311) and six It is clearance fit between rib shaft part (211).
6. the special rust remover of a kind of color steel tile according to claim 1, it is characterised in that:The outside of the adjustable column (63) It is installed with handle (67).
7. the special rust remover of a kind of color steel tile according to claim 1, it is characterised in that:The six-edged axis section (211) is horizontal The length of side in section is more than the maximum radius of half shaft part of circle (212).
8. the special rust remover of a kind of color steel tile according to claim 1, it is characterised in that:The inner wall of the axle sleeve (25) is Regular hexagonal prism shape is clearance fit between the inner wall and six-edged axis section (211) of the axle sleeve (25).
CN201810816578.2A 2018-07-24 2018-07-24 A kind of special rust remover of color steel tile Withdrawn CN108747768A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810816578.2A CN108747768A (en) 2018-07-24 2018-07-24 A kind of special rust remover of color steel tile

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810816578.2A CN108747768A (en) 2018-07-24 2018-07-24 A kind of special rust remover of color steel tile

Publications (1)

Publication Number Publication Date
CN108747768A true CN108747768A (en) 2018-11-06

Family

ID=63971411

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810816578.2A Withdrawn CN108747768A (en) 2018-07-24 2018-07-24 A kind of special rust remover of color steel tile

Country Status (1)

Country Link
CN (1) CN108747768A (en)

Similar Documents

Publication Publication Date Title
CN105150069B (en) A kind of efficient steel pipe derusting sander of portable
CN110026839B (en) Old reinforcing bar rust cleaning maintenance device
CN106826502A (en) A kind of bolt clears up derusting device
CN201871580U (en) Mechanical simple steel pipe straightening machine
HU208574B (en) Apparatus for milling-out chimney to be lined
CN208557073U (en) A kind of dedicated rust remover of color steel tile
CN108747768A (en) A kind of special rust remover of color steel tile
CN110170905B (en) Building old and useless reinforcing bar retreatment device
CN109129148A (en) A kind of building scaffold outer surface of steel tube pre maintenance equipment
CN109746781B (en) Automatic hardware plate grinding machine
CN215470313U (en) Steel construction surface rust cleaning device
CN202278475U (en) Online plate-edge rust-removing device
CN110976715B (en) Traction device for building reinforcing steel bar
CN111791376B (en) Prefabricated wall body forming processing machinery and forming processing technology
CN220446143U (en) Steel pipe polishing machine
CN203842891U (en) Automated drill rod joint thread cleaning device
CN106425747B (en) The deburring equipment of wood material
CN102366924A (en) On-line plate edge derusting device
CN216030036U (en) Oil-water well pipeline rust-removing and corrosion-preventing integrated system
CN114536186B (en) Renewing device for building climbing frame and working method thereof
CN2587544Y (en) Steel pipe cleaning and dust removing straightening machine
CN214130018U (en) Fire extinguishing device for fire safety
CN111299724A (en) Flywheel feeding type gravity adaptive bolt cleaning device
CN219582489U (en) Rust removal device
CN211110199U (en) Automatic rolling machine for artificial turf

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
WW01 Invention patent application withdrawn after publication

Application publication date: 20181106

WW01 Invention patent application withdrawn after publication