CN112354168A - Track and field runway line drawing machine - Google Patents
Track and field runway line drawing machine Download PDFInfo
- Publication number
- CN112354168A CN112354168A CN202011408707.8A CN202011408707A CN112354168A CN 112354168 A CN112354168 A CN 112354168A CN 202011408707 A CN202011408707 A CN 202011408707A CN 112354168 A CN112354168 A CN 112354168A
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- fixedly connected
- track
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63C—SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
- A63C19/00—Design or layout of playing courts, rinks, bowling greens or areas for water-skiing; Covers therefor
- A63C19/06—Apparatus for setting-out or dividing courts
- A63C19/08—Mechanical means for marking-out
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W90/00—Enabling technologies or technologies with a potential or indirect contribution to greenhouse gas [GHG] emissions mitigation
- Y02W90/10—Bio-packaging, e.g. packing containers made from renewable resources or bio-plastics
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- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Road Repair (AREA)
- Percussive Tools And Related Accessories (AREA)
Abstract
The invention relates to the field of sports, in particular to a marking machine for a track and field runway, which comprises a storage box, a discharge barrel, a bottom cover, an oil cylinder I, a hammer head, a spring frame and a hammer rod. The bin is wide from top to bottom narrow, the lower part of bin is provided with out the feed cylinder, the rear side fixedly connected with hydro-cylinder I who goes out the feed cylinder, bottom sliding connection is in the lower part of going out the feed cylinder, hydro-cylinder I's rear portion fixed connection is at the rear portion of bottom, respectively be provided with one about the hammer stem, the left and right sides of bin is the inclined plane, two hammer stems articulate the left and right sides at the bin respectively, the equal fixedly connected with tup in the inner of two hammer stems, two tups contact with the left and right sides of bin respectively, the equal fixedly connected with spring frame in the left and right sides of bin, equal fixedly connected with compression spring I on two spring frames, the downside at two hammer stems is.
Description
Technical Field
The invention relates to the field of sports, in particular to a track and field runway line drawing machine.
Background
The invention discloses a full-automatic line drawing machine with the application number of CN201810023956.1, which comprises a rack assembly, a feeding mechanism, a pushing mechanism, a line drawing mechanism and a discharging mechanism, wherein the rack assembly is provided with a power device, the feeding mechanism is connected with the upper part of the rack assembly, the feeding mechanism is connected with the pushing mechanism, the line drawing mechanism is connected with the pushing mechanism, the discharging mechanism is positioned below the line drawing mechanism, the discharging mechanism is connected with the lower part of the rack assembly, in operation, the feeding mechanism transmits materials to the pushing mechanism, the pushing mechanism transmits the materials to the line drawing mechanism, and the materials are discharged after being drawn by the line drawing mechanism. In the full-automatic line drawing machine, the material is automatically fed, is uniformly and smoothly fed into the line drawing mechanism through the pushing mechanism, is drawn by the line drawing mechanism, and is pushed out by the discharging mechanism to finish the whole action. A large amount of human costs are saved, and the setting-out specification can conveniently be carried out through the line drawing mechanism who sets up, raises the efficiency and yields. However, the invention cannot temporarily draw the track and field runway.
Disclosure of Invention
The invention provides a marking machine for an athletic track, which has the beneficial effect that the marking machine can temporarily draw the athletic track.
The invention relates to the field of sports, in particular to a marking machine for a track and field runway, which comprises a storage box, a discharge barrel, a bottom cover, an oil cylinder I, a hammer head, a spring frame and a hammer rod.
The bin is wide from top to bottom narrow, the lower part of bin is provided with out the feed cylinder, the rear side fixedly connected with hydro-cylinder I who goes out the feed cylinder, bottom sliding connection is in the lower part of going out the feed cylinder, hydro-cylinder I's rear portion fixed connection is at the rear portion of bottom, respectively be provided with one about the hammer stem, the left and right sides of bin is the inclined plane, two hammer stems articulate the left and right sides at the bin respectively, the equal fixedly connected with tup in the inner of two hammer stems, two tups contact with the left and right sides of bin respectively, the equal fixedly connected with spring frame in the left and right sides of bin, equal fixedly connected with compression spring I on two spring frames, the downside at two hammer stems is.
Track and field runway line drawing machine still includes L shape frame, upstand, disk, horizontal bar and lift post, and the upper portion fixedly connected with L shape frame of bin, the vertical sliding connection in upper portion of L shape frame has the lift post, and the lower extreme fixedly connected with horizontal bar of lift post, the equal fixedly connected with upstand in both ends about the horizontal bar downside, from last a plurality of disks of equal fixedly connected with down on every upstand, two upstands are located the top of two bins respectively.
Track and field runway line drawing machine still includes circumference pole, fixed axle, rectangle post, disc and hinge bar, the front side fixedly connected with fixed axle of bin, the front end fixedly connected with circumference pole of fixed axle, the front end of fixed axle rotates the middle part of connecting at the rectangle post, the upper portion of rectangle post is provided with the disc through motor drive, the eccentric position of disc articulates there is the hinge bar, the lower extreme of hinge bar articulates the outer end at the circumference pole.
Track and field runway line drawing machine still includes door-shaped frame, runner and lug, the lower extreme fixedly connected with lug of rectangle post, the vertical sliding connection of rectangle post is at the middle part of door-shaped frame, and extension spring's one end fixed connection is on the lug, and extension spring's other end fixed connection is at the middle part of door-shaped frame, and both ends all rotate about door-shaped frame lower part and are connected with the runner.
Track and field runway line drawing machine still includes slide hole pole, slide hole, pole setting and smooth cylinder II, and the upper end fixedly connected with slide hole pole of lift post is provided with the slide hole on the slide hole pole, the upside fixedly connected with pole setting of door-shaped frame, the smooth cylinder II of upper end fixedly connected with of pole setting, smooth cylinder II sliding connection is on the slide hole.
The track and field runway line drawing machine further comprises a forward extending plate and a power supply, the forward extending plate is fixedly connected to the front side of the door-shaped frame, and the power supply is arranged on the upper side of the forward extending plate.
Track and field runway line drawing machine still includes smooth cylinder I, hydro-cylinder II, the wheel carrier, the direction axle, the rectangular hole, rectangle hole pole and action wheel, the middle part of direction axle is rotated and is connected on the board that stretches ahead, the lower extreme fixedly connected with wheel carrier of direction axle, it is connected with the action wheel to rotate on the wheel carrier, the action wheel passes through motor drive and rotates, the upper end fixedly connected with rectangle hole pole of direction axle, be provided with the rectangular hole on the rectangle hole pole, the upside fixedly connected with hydro-cylinder II of the board that stretches ahead, hydro-cylinder II's expansion end fixedly connected with smooth cylinder I, smooth cylinder I sliding connection is on the rectangular hole.
Track and field runway line drawing machine still includes the top piece, the broom, the thimble, circular separation blade and front stall, the front side fixedly connected with front stall of wheel carrier, the vertical sliding connection of thimble is in the front portion of front stall, the circular separation blade of lower part fixedly connected with of thimble, the upper end fixedly connected with top piece of thimble, top piece and circular separation blade are located the upper and lower both sides of front stall respectively, compression spring II has been cup jointed on the front stall, compression spring II is located between circular separation blade and the front stall, the upper end fixed connection of broom is at the front end downside of top piece, the lower part of broom is provided with a plurality of brush hairs.
The track and field runway line drawing machine has the beneficial effects that:
the invention relates to a marking machine for an athletic track.
Drawings
The invention is described in further detail below with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a schematic view of the overall structure of a track and field runway line drawing machine according to the invention;
FIG. 2 is a schematic view of the overall structure of a track and field runway line drawing machine of the invention;
FIG. 3 is a first structural view of the storage box and the L-shaped frame;
FIG. 4 is a second schematic structural view of the storage box and the L-shaped frame;
FIG. 5 is a first structural diagram of a door-shaped frame and a rectangular column;
FIG. 6 is a second schematic structural view of the door-shaped frame and the rectangular column;
FIG. 7 is a first schematic structural diagram of the wheel frame;
fig. 8 is a second schematic structural diagram of the wheel frame.
In the figure: a storage tank 1; a discharge barrel 101; a circumferential rod 102; a fixed shaft 103; a bottom cover 104; an oil cylinder I105; a hammer head 106; a spring holder 107; a hammer rod 108; an L-shaped frame 2; a upstand 201; a wafer 202; a cross bar 203; a lifting column 204; a slide hole lever 205; a slide hole 206; a door frame 3; a runner 301; a forward extending plate 302; a power supply 303; a sliding cylinder I304; a cylinder II 305; a vertical rod 306; a sliding cylinder II 307; a rectangular column 4; a disc 401; a hinge lever 402; a tab 403; a wheel carrier 5; a directional axis 501; a rectangular aperture 502; a rectangular hole bar 503; a topsheet 504; a broom 505; a thimble 506; a circular baffle 507; a drive wheel 508; a front seat 509.
Detailed Description
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
The first embodiment is as follows:
the embodiment is described below with reference to fig. 1-8, the invention relates to the field of sports, and more specifically relates to a marking machine for track and field tracks, which comprises a storage tank 1, a discharge barrel 101, a bottom cover 104, an oil cylinder I105, a hammer head 106, a spring frame 107 and a hammer rod 108.
Narrow under the width on bin 1, bin 1's lower part is provided with out feed cylinder 101, the rear side fixedly connected with hydro-cylinder I105 of play feed cylinder 101, bottom 104 sliding connection is in the lower part of play feed cylinder 101, the rear end fixed connection of hydro-cylinder I105 is at the rear portion of bottom 104, respectively be provided with one about hammer stem 108, bin 1's the left and right sides is the inclined plane, two hammer stem 108 articulate the left and right sides at bin 1 respectively, the equal fixedly connected with tup 106 in the inner of two hammer stem 108, two tups 106 contact with bin 1's the left and right sides respectively, the equal fixedly connected with spring frame 107 in bin 1's the left and right sides, equal fixedly connected with compression spring I on two spring frame 107, the upper portion of two compression spring I pushes up the downside at two hammer. The storage tank 1 can store lime, when the oil cylinder I105 stretches and retracts to drive the bottom cover 104 to be opened, the lime is exposed from the lower side of the discharge cylinder 101, then the storage tank 1 is driven to move, and the lime can be drawn out to be used as a temporary track and field runway; the ascending elasticity of two hammer stems 108 is given respectively to compression spring on two spring frames 107, make two tups 106 contact with bin 1, when bin 1 rocks constantly about, the lime in the bin 1 of being convenient for spills from play feed cylinder 101, the lime that spills more greatly that the bottom 104 is opened is thicker, bin 1 rocks constantly about simultaneously and drives two hammer stems 108 and two tup 106 swings, and then make two tups 106 constantly hammer on bin 1 and take place the vibrations to bin 1, and then prevent that the lime in the bin 1 is difficult for spilling.
The second embodiment is as follows:
the following describes this embodiment with reference to fig. 1 to 8, the track and field runway line drawing machine further includes an L-shaped frame 2, vertical posts 201, wafers 202, a horizontal bar 203 and a lifting post 204, the L-shaped frame 2 is fixedly connected to the upper portion of the storage box 1, the lifting post 204 is vertically slidably connected to the upper portion of the L-shaped frame 2, the horizontal bar 203 is fixedly connected to the lower end of the lifting post 204, the vertical posts 201 are fixedly connected to the left and right ends of the lower side of the horizontal bar 203, a plurality of wafers 202 are fixedly connected to each vertical post 201 from top to bottom, and the two vertical posts 201 are respectively located above the two storage boxes 1. The lifting column 204 can vertically slide on the L-shaped frame 2 to drive the horizontal bar 203, the two vertical columns 201 and the plurality of wafers 202 on the two vertical columns 201 to continuously move up and down, and then drive the plurality of wafers 202 to continuously move up and down in the lime in the storage box 1, so that the lime in the storage box 1 is prevented from knotting, and further the lime is prevented from not easily leaking.
The third concrete implementation mode:
the following describes the embodiment with reference to fig. 1 to 8, the track and field runway line drawing machine further includes a circumferential rod 102, a fixed shaft 103, a rectangular column 4, a circular disc 401 and a hinge rod 402, the fixed shaft 103 is fixedly connected to the front side of the storage box 1, the circumferential rod 102 is fixedly connected to the front end of the fixed shaft 103, the front end of the fixed shaft 103 is rotatably connected to the middle of the rectangular column 4, the circular disc 401 driven by a motor is arranged on the upper portion of the rectangular column 4, the hinge rod 402 is hinged to the eccentric position of the circular disc 401, and the lower end of the hinge rod 402 is hinged to the outer end of the. Disc 401 drives circumference pole 102 luffing motion through hinge bar 402 during rotation, and then drives fixed axle 103 forward reverse rotation on rectangle post 4, and then drives bin 1 and uses the axis of fixed axle 103 as the axle horizontal hunting, and then drives two tups 106 and constantly hammers on bin 1 and take place vibrations to bin 1, and then prevents that the lime in bin 1 is difficult for spilling.
The fourth concrete implementation mode:
the following describes the embodiment with reference to fig. 1 to 8, the marking machine for track and field runways further includes a door-shaped frame 3, a rotating wheel 301 and a protruding piece 403, the protruding piece 403 is fixedly connected to the lower end of the rectangular column 4, the rectangular column 4 is vertically slidably connected to the middle of the door-shaped frame 3, one end of an extension spring is fixedly connected to the protruding piece 403, the other end of the extension spring is fixedly connected to the middle of the door-shaped frame 3, and the rotating wheel 301 is rotatably connected to the left end and the right end of the lower portion of the door-shaped frame. Portal frame 3 can be through runner 301 subaerial removal, and then drive storage box 1 removes, and then draws the lime line on the ground, and when ground is not normal, relative vertical slip can take place for rectangular column 4 and Portal frame 3, and then shakes storage box 1 from top to bottom, shakes storage box 1 again when ground is not normal, and the lime of being convenient for spills.
The fifth concrete implementation mode:
the following describes the embodiment with reference to fig. 1 to 8, the marking machine for an athletic track and field runway further includes a sliding hole rod 205, a sliding hole 206, an upright rod 306 and a sliding cylinder II307, the upper end of the lifting column 204 is fixedly connected with the sliding hole rod 205, the sliding hole rod 205 is provided with the sliding hole 206, the upper side of the door-shaped frame 3 is fixedly connected with the upright rod 306, the upper end of the upright rod 306 is fixedly connected with the sliding cylinder II307, and the sliding cylinder II307 is slidably connected to the sliding hole 206. When the rectangular column 4 and the door-shaped frame 3 vertically slide relatively, the sliding column II307 vertically slides relative to the sliding hole rod 205, so that the two vertical columns 201 and the wafers 202 are driven to vertically move relative to the storage box 1, lime in the storage box 1 is prevented from knotting, and further the lime is prevented from easily leaking. Meanwhile, when the storage box 1 swings left and right about the axis of the fixed shaft 103, the slide column II307 also slides vertically relative to the slide hole rod 205, and also drives the two vertical columns 201 and the plurality of wafers 202 to move up and down relative to the storage box 1.
The sixth specific implementation mode:
the following describes the embodiment with reference to fig. 1 to 8, the track and field line drawing machine further includes a forward extending plate 302 and a power supply 303, the forward extending plate 302 is fixedly connected to the front side of the door-shaped frame 3, and the power supply 303 is arranged on the upper side of the forward extending plate 302. The power supply 303 provides power to the electrical consumers.
The seventh embodiment:
the following describes the present embodiment with reference to fig. 1 to 8, the marking machine for track and field runway further includes a sliding cylinder I304, an oil cylinder II305, a wheel frame 5, a direction shaft 501, a rectangular hole 502, a rectangular hole rod 503 and a driving wheel 508, the middle portion of the direction shaft 501 is rotatably connected to the forward extending plate 302, the lower end of the direction shaft 501 is fixedly connected to the wheel frame 5, the wheel frame 5 is rotatably connected to the driving wheel 508, the driving wheel 508 is driven to rotate by a motor, the upper end of the direction shaft 501 is fixedly connected to the rectangular hole rod 503, the rectangular hole rod 503 is provided with the rectangular hole 502, the upper side of the forward extending plate 302 is fixedly connected to the oil cylinder II305, the movable end of the oil cylinder II305 is fixedly connected to the sliding cylinder I304, and the. The oil cylinder II305 stretches and retracts to drive the sliding cylinder I304 to move left and right, so that the rectangular hole rod 503 is driven to rotate, the direction shaft 501 is driven to rotate on the forward extending plate 302 by taking the axis of the direction shaft 501 as a shaft, the direction of the driving wheel 508 is controlled, and the driving wheel 508 serves as power to drive the whole device to move a drawn line.
The specific implementation mode is eight:
the following describes the embodiment with reference to fig. 1 to 8, where the marking machine for an athletic track and field runway further includes a top plate 504, a broom 505, a thimble 506, a circular blocking piece 507 and a front seat 509, the front side of the wheel carrier 5 is fixedly connected with the front seat 509, the thimble 506 is vertically and slidably connected to the front portion of the front seat 509, the lower portion of the thimble 506 is fixedly connected with the circular blocking piece 507, the upper end of the thimble 506 is fixedly connected with the top plate 504, the top plate 504 and the circular blocking piece 507 are respectively located at the upper side and the lower side of the front seat 509, the front seat 509 is sleeved with a compression spring II, the compression spring II is located between the circular blocking piece 507 and the front seat 509, the upper end of the broom 505 is fixedly connected to the lower side of the. Circular separation blade 507 and thimble 506 receive the downward elasticity of compression spring II for thimble 506 pushes up subaerially, and the drawing was straight inadequately when preventing the lime setting-out, and broom 505 clears up ground in advance when removing, prevents that the unevenness of ground from causing the setting-out effect not good.
It is to be understood that the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and that various changes, modifications, additions and substitutions which are within the spirit and scope of the present invention and which may be made by those skilled in the art are also within the scope of the present invention.
Claims (8)
1. The utility model provides a track and field runway line drawing machine, includes storage box (1), goes out feed cylinder (101), bottom (104), hydro-cylinder I (105), tup (106), spring bracket (107) and hammer stem (108), its characterized in that: the utility model discloses a bin for storing things, it is narrow under wide on bin (1), the lower part of bin (1) is provided with out feed cylinder (101), the rear side fixedly connected with hydro-cylinder I (105) of play feed cylinder (101), bottom (104) sliding connection is in the lower part of play feed cylinder (101), the rear end fixed connection of hydro-cylinder I (105) is at the rear portion of bottom (104), respectively be provided with one about hammer stem (108), the left and right sides of bin (1) is the inclined plane, two hammer stem (108) articulate the left and right sides in bin (1) respectively, the equal fixedly connected with tup (106) in the inner of two hammer stem (108), two tup (106) contact with the left and right sides of bin (1) respectively, the equal fixedly connected with spring frame (107) in the left and right sides of bin (1), equal fixedly connected with compression spring I on two spring frame (107), the downside of two hammer stem (108) is pushed up respectively on.
2. The track and field line striping machine of claim 1, wherein: track and field runway line drawing machine still includes L shape frame (2), upstand (201), disk (202), horizontal bar (203) and lift post (204), the upper portion fixedly connected with L shape frame (2) of bin (1), the vertical sliding connection in upper portion of L shape frame (2) has lift post (204), the lower extreme fixedly connected with horizontal bar (203) of lift post (204), the equal fixedly connected with upstand (201) in both ends about horizontal bar (203) downside, every upstand (201) go up from last to a plurality of disks (202) of equal fixedly connected with down, two upstand (201) are located the top of two bins (1) respectively.
3. The track and field line striping machine of claim 2, wherein: track and field runway line drawing machine still includes circumference pole (102), fixed axle (103), rectangle post (4), disc (401) and hinge bar (402), the front side fixedly connected with fixed axle (103) of bin (1), the front end fixedly connected with circumference pole (102) of fixed axle (103), the front end rotation of fixed axle (103) is connected in the middle part of rectangle post (4), the upper portion of rectangle post (4) is provided with through motor drive's disc (401), the eccentric position of disc (401) articulates there is hinge bar (402), the lower extreme of hinge bar (402) articulates the outer end at circumference pole (102).
4. A track and field line striper as in claim 3 wherein: track and field runway line drawing machine still includes door shape frame (3), runner (301) and lug (403), the lower extreme fixedly connected with lug (403) of rectangle post (4), the vertical sliding connection of rectangle post (4) is in the middle part of door shape frame (3), extension spring's one end fixed connection is on lug (403), extension spring's other end fixed connection is in the middle part of door shape frame (3), both ends are all rotated and are connected with runner (301) about door shape frame (3) lower part.
5. The track and field line striper of claim 4, wherein: track and field runway line drawing machine still includes slide hole pole (205), slide hole (206), pole setting (306) and smooth cylinder II (307), the upper end fixedly connected with slide hole pole (205) of lift post (204), be provided with slide hole (206) on slide hole pole (205), the upside fixedly connected with pole setting (306) of door-shaped frame (3), the upper end fixedly connected with smooth cylinder II (307) of pole setting (306), smooth cylinder II (307) sliding connection is on slide hole (206).
6. The track and field line striper of claim 5, wherein: the marking machine for the track and field runway further comprises a forward extending plate (302) and a power supply (303), the forward extending plate (302) is fixedly connected to the front side of the door-shaped frame (3), and the power supply (303) is arranged on the upper side of the forward extending plate (302).
7. The track and field line striper of claim 6, wherein: track and field runway line drawing machine still includes smooth cylinder I (304), hydro-cylinder II (305), wheel carrier (5), direction axle (501), rectangular hole (502), rectangular hole pole (503) and action wheel (508), the middle part of direction axle (501) is rotated and is connected on preceding extension board (302), the lower extreme fixedly connected with wheel carrier (5) of direction axle (501), rotate on wheel carrier (5) and be connected with action wheel (508), action wheel (508) rotate through motor drive, the upper end fixedly connected with rectangular hole pole (503) of direction axle (501), be provided with rectangular hole (502) on rectangular hole pole (503), the upside fixedly connected with hydro-cylinder II (305) of preceding extension board (302), the expansion end fixedly connected with smooth cylinder I (304) of hydro-cylinder II (305), smooth cylinder I (304) sliding connection is on rectangular hole (502).
8. The track and field line striper of claim 7, wherein: track and field runway line drawing machine still includes top sheet (504), broom (505), thimble (506), circular separation blade (507) and front stall (509), the front side fixedly connected with front stall (509) of wheel carrier (5), thimble (506) vertical sliding connection is in the front portion of front stall (509), the lower part fixedly connected with circular separation blade (507) of thimble (506), the upper end fixedly connected with top sheet (504) of thimble (506), top sheet (504) and circular separation blade (507) are located the upper and lower both sides of front stall (509) respectively, compression spring II has been cup jointed on front stall (509), compression spring II is located between circular separation blade (507) and front stall (509), the upper end fixed connection of broom (505) is in the front end downside of top sheet (504), the lower part of broom (505) is provided with a plurality of brush hairs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011408707.8A CN112354168B (en) | 2020-12-04 | 2020-12-04 | Track and field runway line drawing machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011408707.8A CN112354168B (en) | 2020-12-04 | 2020-12-04 | Track and field runway line drawing machine |
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| CN112354168A true CN112354168A (en) | 2021-02-12 |
| CN112354168B CN112354168B (en) | 2022-07-08 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113018835A (en) * | 2021-04-02 | 2021-06-25 | 哈尔滨体育学院 | Basketball court line drawing device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113018835A (en) * | 2021-04-02 | 2021-06-25 | 哈尔滨体育学院 | Basketball court line drawing device |
| CN113018835B (en) * | 2021-04-02 | 2022-06-24 | 哈尔滨体育学院 | Basketball court line drawing device |
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