CN108360356B - Multifunctional scribing machine - Google Patents
Multifunctional scribing machine Download PDFInfo
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- CN108360356B CN108360356B CN201810105793.1A CN201810105793A CN108360356B CN 108360356 B CN108360356 B CN 108360356B CN 201810105793 A CN201810105793 A CN 201810105793A CN 108360356 B CN108360356 B CN 108360356B
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- fixedly connected
- vehicle body
- side wall
- wheel
- rod
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C23/00—Auxiliary devices or arrangements for constructing, repairing, reconditioning, or taking-up road or like surfaces
- E01C23/16—Devices for marking-out, applying, or forming traffic or like markings on finished paving; Protecting fresh markings
- E01C23/20—Devices for marking-out, applying, or forming traffic or like markings on finished paving; Protecting fresh markings for forming markings in situ
- E01C23/203—Devices for marking-out, applying, or forming traffic or like markings on finished paving; Protecting fresh markings for forming markings in situ the marking material being applied to the surface by contact with an application tool, e.g. paint roller
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
Abstract
The invention discloses a multifunctional line marking machine which comprises a vehicle body, wherein wheels are rotatably connected to the lower end face of the vehicle body, one of the wheels is coaxially and fixedly connected with a first bevel gear, the first bevel gear is meshed with a second bevel gear, the second bevel gear is coaxially and fixedly connected with one end of a rotating shaft, the other end of the rotating shaft is rotatably inserted into the inner top wall of the vehicle body, the position of a nut is adjusted by rotating a screw rod, the nut is adjusted to be on the same horizontal plane with the first rotating wheel, the wheel drives the first rotating wheel to rotate, a circular truncated cone-shaped lug is abutted against a first roller, a partition plate moves leftwards, a broken line is drawn, a long line and a short line can be drawn when the nut is adjusted to be on the same horizontal plane with the second rotating wheel, and a straight line can be drawn when the nut is. The invention can draw different lines conveniently, has simple and convenient operation, does not need other equipment, enlarges the application range and improves the line drawing efficiency.
Description
Technical Field
The invention relates to the field of road construction equipment, in particular to a multifunctional line marking machine.
Background
At present, the existing road marking tools of the road traffic department only adapt to marking long straight lines, and cannot be smoothly drawn when long and short lines or broken lines need to be drawn.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a multifunctional scribing machine.
In order to achieve the purpose, the invention adopts the following technical scheme:
a multifunctional scribing machine comprises a vehicle body, wherein wheels are rotatably connected to the lower end face of the vehicle body, a first bevel gear is coaxially and fixedly connected with one wheel, a second bevel gear is meshed with the first bevel gear, a rotating shaft is coaxially and fixedly connected with one end of the second bevel gear, the other end of the rotating shaft is rotatably inserted into the inner top wall of the vehicle body, a sleeve is rotatably sleeved on the rotating shaft and fixedly connected with the inner side wall of the vehicle body through a support, a first rotating wheel, a second rotating wheel and a third rotating wheel are sequentially fixedly sleeved on the rotating shaft from bottom to top, four annularly distributed circular truncated cone-shaped convex blocks are fixedly connected to the outer side wall of the first rotating wheel, two circular arc convex blocks are fixedly connected to the outer side wall of the second rotating wheel, the two circular arc convex blocks are different in length and are symmetrically arranged relative to the central line of the second rotating wheel, and the upper, the upper end face of the vehicle body is fixedly connected with a paint pool, the lower end face of the paint pool is communicated with one end of a guide pipe, the other end of the guide pipe penetrates through the vehicle body to reach the lower part of the vehicle body, the guide pipe is close to the sleeve side wall and is fixedly connected with three mounting boxes, the mounting boxes are close to the sleeve side wall and are movably inserted with ejector rods, one end of each ejector rod, which is positioned in the mounting box, is abutted with a pull rope, one end of each pull rope is fixedly connected to the inner bottom wall of the mounting box, the other end of each pull rope sequentially penetrates through a fixed pulley which is rotatably connected to the inner rear wall of the mounting box, a limiting plate which is fixedly connected to the inner top wall of the mounting box and one end of a partition plate, the partition plate is connected with the side wall of the limiting plate through a first spring, the end of the ejector rod, which is positioned outside the mounting box, is fixedly connected with a push block, the push block is connected with the outer side wall of the mounting box through a second spring, the three push blocks are fixedly sleeved on the same connecting rod, a screw rod is inserted into the upper end face of the vehicle body in a threaded manner, the screw rod is positioned between the connecting rod and a rotating shaft, the lower end of the screw rod is rotatably connected with the lower end face of the vehicle body, a nut is sleeved with the screw rod in a threaded manner, the nut is slidably connected into a guide rail arranged on the rear wall in the vehicle body, an inserting rod is movably inserted into the nut, one end of the inserting rod, which is close to the connecting rod, is fixedly connected with a resisting plate, the resisting plate is connected with the side wall of the nut through a third spring, the third spring is movably sleeved on the inserting rod, one end of the inserting rod, which is close to the sleeve, is rotatably connected with a first, one end of the L-shaped push rod in the horizontal direction is rotatably connected with a third roller, and the third roller is perpendicular to the first roller.
Preferably, the radius of the third rotating wheel is equal to the sum of the radius of the first rotating wheel and the thickness of the truncated cone-shaped bump.
Preferably, the length of the abutting plate is greater than the distance between two adjacent pushing blocks.
Preferably, the upper end and the lower end of the side wall of the push block close to the abutting plate are both arc-shaped structures.
Preferably, the upper end and the lower end of the abutting plate are both rotatably connected with second rollers.
Preferably, the diameter of the first rotating wheel is equal to that of the second rotating wheel, and the thicknesses of the circular arc lug and the circular truncated cone shaped lug are the same.
Preferably, the length of one of the circular arc projections is twice as long as the length of the other circular arc projection.
Preferably, both ends of the arc bump are arc structures.
Compared with the prior art, the invention has the beneficial effects that: through rotating the screw rod, adjusting nut's position, after adjusting the nut to with first runner coplanar, the wheel drives first runner and rotates, makes round platform type lug contradict with first gyro wheel, makes the baffle move left, draws the dotted line, after adjusting nut to with the same horizontal plane of second runner, can draw the length lines, after adjusting nut to with the same horizontal plane of third runner, can draw the straight line. The invention can draw different lines conveniently, has simple and convenient operation, does not need other equipment, enlarges the application range and improves the line drawing efficiency.
Drawings
FIG. 1 is a schematic structural diagram according to the present invention;
FIG. 2 is an enlarged view of part A;
FIG. 3 is a cross-sectional view B-B;
FIG. 4 is a cross-sectional view C-C;
fig. 5 is a cross-sectional view taken along line D-D.
In the figure: the device comprises a vehicle body 1, wheels 2, a first bevel gear 3, a second bevel gear 4, a rotating shaft 5, a first rotating wheel 6, a second rotating wheel 7, a third rotating wheel 8, a sleeve 9, a paint pool 10, a guide pipe 11, a mounting box 12, a top rod 13, a fixed pulley 14, a limiting plate 15, a partition plate 16, a push block 17, a connecting rod 18, a screw rod 19, a nut 20, an insertion rod 21, a resisting plate 22 and an L-shaped push rod 23.
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.
Referring to fig. 1-5, a multifunctional line marking machine comprises a vehicle body 1, wherein the lower end surface of the vehicle body 1 is rotatably connected with wheels 2, one wheel 2 is coaxially and fixedly connected with a first bevel gear 3, the first bevel gear 3 is engaged with a second bevel gear 4, the second bevel gear 4 is coaxially and fixedly connected with one end of a rotating shaft 5, the other end of the rotating shaft 5 is rotatably inserted into the inner top wall of the vehicle body 1, the rotating shaft 5 is rotatably sleeved with a sleeve 9, the sleeve 9 is fixedly connected with the inner side wall of the vehicle body 1 through a bracket, the rotating shaft 5 is sequentially and fixedly sleeved with a first rotating wheel 6, a second rotating wheel 7 and a third rotating wheel 8 from bottom to top, the outer side wall of the first rotating wheel 6 is fixedly connected with four annularly distributed circular truncated cone-shaped convex blocks, the outer side wall of the second rotating wheel 7 is fixedly connected with two circular arc, the upper end and the lower end of the third rotating wheel 8 are both of a circular truncated cone structure, the upper end face of the vehicle body 1 is fixedly connected with a paint pool 10, the lower end face of the paint pool 10 is connected with one end of a guide pipe 11 in a penetrating manner, the other end of the guide pipe 11 penetrates through the vehicle body 1 to reach the lower part of the vehicle body 1, the guide pipe 11 is fixedly connected with three mounting boxes 12 close to the side wall of the sleeve 9, the mounting boxes 12 are movably inserted with ejector rods 13 close to the side wall of the sleeve 9, one end of each ejector rod 13 located inside the mounting box 12 is abutted with a pull rope, one end of each pull rope is fixedly connected to the inner bottom wall of the mounting box 12, the other end of each pull rope sequentially penetrates through a fixed pulley 14 rotatably connected to the inner rear wall of the mounting box 12 and a limiting plate 15 fixedly connected to the inner top wall of the mounting box 12 and is fixedly connected with one end of, the other end of the clapboard 16 is abutted against the inner side wall of the conduit 11, one end of the ejector rod 13 positioned outside the mounting box 12 is fixedly connected with a push block 17, the push block 17 is connected with the outer side wall of the mounting box 12 through a second spring, three push blocks 17 are all fixedly sleeved on the same connecting rod 18, the upper end face of the vehicle body 1 is in threaded insertion connection with a screw rod 19, the screw rod 19 is positioned between the connecting rod 18 and the rotating shaft 5, the lower end of the screw rod 19 is rotatably connected with the lower end face of the vehicle body 1, the screw rod 19 is in threaded sleeve connection with a nut 20, the nut 20 is slidably connected in a guide rail arranged on the inner rear wall of the vehicle body 1, the nut 20 is movably inserted with an insertion rod 21, one end of the insertion rod 21 close to the connecting rod 18 is fixedly connected with a resisting plate 22, the resisting plate 22 is connected with the side wall of the nut 20 through a third spring, the, the upper end surface and the lower end surface of one end of the inserting rod 21 close to the sleeve 9 are fixedly connected with one longitudinal end of an L-shaped push rod 23, one end of the L-shaped push rod 23 in the horizontal direction is rotatably connected with a third roller wheel which is arranged perpendicular to the first roller wheel, the radius of the third roller wheel 8 is equal to the sum of the radius of the first roller wheel 6 and the thickness of the circular truncated cone-shaped lug, the length of the resisting plate 22 is larger than the distance between two adjacent pushing blocks 17, the pushing blocks 17 are pushed to be more stable, the upper end and the lower end of the side wall of each pushing block 17 close to the corresponding block 22 are both of arc structures, so that the resisting plate 22 can move up and down conveniently, the upper end and the lower end of each resisting plate 22 are both rotatably connected with a second roller wheel, so that the resisting plate 22 can move up and down conveniently, the diameter of the first roller wheel 6 is equal to the diameter of the second roller wheel 7, the thicknesses, the two ends of the arc-shaped convex block are both arc-shaped structures, so that the first roller can roll conveniently.
The working principle is as follows: the screw rod 19 is rotated, the adjusting nut 20 moves up and down, when the nut 20 is adjusted to be on the same horizontal plane with the first rotating wheel 6, the vehicle body 1 is pushed to move, the wheel 2 is rotated, the first bevel gear 3 and the second bevel gear 4 are driven to rotate, the rotating shaft 5 is driven to rotate, the first rotating wheel 6 is driven to rotate, when the truncated cone-shaped convex block abuts against the first roller, the inserting rod 21 is pushed to move rightwards, the abutting plate 22 is driven to move rightwards, the three pushing blocks 17 are pushed, the ejector rod 13 moves rightwards, the partition plate 16 is pulled leftwards, paint flows out from the paint pool 10 along the guide pipe 11, and then a dotted line can be drawn.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (8)
1. A multifunctional line marking machine comprises a vehicle body (1) and is characterized in that the lower end face of the vehicle body (1) is rotatably connected with wheels (2), one of the wheels (2) is coaxially and fixedly connected with a first bevel gear (3), the first bevel gear (3) is meshed with a second bevel gear (4), the second bevel gear (4) is coaxially and fixedly connected with one end of a rotating shaft (5), the other end of the rotating shaft (5) is rotatably inserted into the inner top wall of the vehicle body (1), the rotating shaft (5) is rotatably sleeved with a sleeve (9), the sleeve (9) is fixedly connected with the inner side wall of the vehicle body (1) through a support, the rotating shaft (5) is sequentially and fixedly sleeved with a first rotating wheel (6), a second rotating wheel (7) and a third rotating wheel (8) from bottom to top, the outer side wall of the first rotating wheel (6) is fixedly connected with four circular truncated cone-shaped convex blocks which are, the outer side wall of the second rotating wheel (7) is fixedly connected with two arc-shaped convex blocks, the two arc-shaped convex blocks are different in length and are symmetrically arranged relative to the center line of the second rotating wheel (7), the upper end and the lower end of the third rotating wheel (8) are of a circular truncated cone structure, the upper end face of the vehicle body (1) is fixedly connected with a paint pool (10), the lower end face of the paint pool (10) is connected with one end of a guide pipe (11) in a penetrating manner, the other end of the guide pipe (11) penetrates through the vehicle body (1) to reach the lower portion of the vehicle body (1), the side wall of the guide pipe (11) close to the sleeve (9) is fixedly connected with three mounting boxes (12), the side wall of each mounting box (12) close to the sleeve (9) is movably inserted with a push rod (13), one end of the push rod (13) located inside the mounting box (12) is abutted with a pull rope, one, the other end of the stay cord sequentially passes through a fixed pulley (14) rotatably connected to the inner rear wall of the mounting box (12) and one end of a limiting plate (15) fixedly connected to the inner top wall of the mounting box (12) and a partition plate (16), the partition plate (16) is connected with the side wall of the limiting plate (15) through a first spring, the other end of the partition plate (16) is fixedly connected with the side wall of the guide pipe (11) to reach the inside of the guide pipe (11), the other end of the partition plate (16) is inconsistent with the inner side wall of the guide pipe (11), one end of the ejector rod (13) positioned outside the mounting box (12) is fixedly connected with a push block (17), the push block (17) is connected with the outer side wall of the mounting box (12) through a second spring, the push blocks (17) are fixedly sleeved on the same connecting rod (18), and a screw rod (19) is inserted into the upper end face of the vehicle, the screw rod (19) is positioned between the connecting rod (18) and the rotating shaft (5), the lower end of the screw rod (19) is rotatably connected with the lower end face of the vehicle body (1), the screw rod (19) is in threaded sleeve connection with a nut (20), the nut (20) is slidably connected in a guide rail arranged on the inner rear wall of the vehicle body (1), the nut (20) is movably inserted with an insertion rod (21), one end, close to the connecting rod (18), of the insertion rod (21) is fixedly connected with a resisting plate (22), the resisting plate (22) is connected with the side wall of the nut (20) through a third spring, the third spring is movably sleeved on the insertion rod (21), one end, close to the sleeve (9), of the insertion rod (21) is rotatably connected with a first roller, and the upper end face and the lower end face, close to one end of the sleeve (9), of the insertion rod (21) are both fixedly connected with one longitudinal end of an L-shaped push, one end of the L-shaped push rod (23) in the horizontal direction is rotatably connected with a third roller, and the third roller is perpendicular to the first roller.
2. A multi-function line marking machine as claimed in claim 1 wherein the radius of the third wheel (8) is equal to the sum of the radius of the first wheel (6) and the thickness of the frusto-conical boss.
3. The multifunctional line marking machine as claimed in claim 1, wherein the length of the butt plate (22) is greater than the distance between two adjacent pushing blocks (17).
4. The multifunctional line marking machine as claimed in claim 1, wherein the upper and lower ends of the push block (17) close to the side wall of the butt plate (22) are both arc-shaped.
5. The multifunctional line marking machine as claimed in claim 4, wherein the upper and lower ends of the support plate (22) are rotatably connected with second rollers.
6. The multi-function line marking machine as claimed in claim 1, wherein the diameter of the first wheel (6) is equal to the diameter of the second wheel (7), and the thickness of the circular arc projection and the circular truncated cone projection are the same.
7. The multi-function line marking machine of claim 1 wherein one of said circular arc bumps is twice as long as the other circular arc bump.
8. The multi-functional scribing machine according to claim 1, wherein both ends of the arc bump are arc-shaped.
Priority Applications (1)
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CN201810105793.1A CN108360356B (en) | 2018-02-02 | 2018-02-02 | Multifunctional scribing machine |
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CN201810105793.1A CN108360356B (en) | 2018-02-02 | 2018-02-02 | Multifunctional scribing machine |
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CN108360356A CN108360356A (en) | 2018-08-03 |
CN108360356B true CN108360356B (en) | 2020-11-10 |
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CN201810105793.1A Active CN108360356B (en) | 2018-02-02 | 2018-02-02 | Multifunctional scribing machine |
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CN109518582B (en) * | 2018-12-03 | 2020-12-18 | 山东省安正安全咨询服务有限公司 | Spraying device for pavement construction |
CN110029564B (en) * | 2019-04-30 | 2021-08-10 | 江城 | Highway line printer with clean function |
CN110241693A (en) * | 2019-06-23 | 2019-09-17 | 安徽宏润工业设备安装有限公司 | A kind of laying of roadway equipment |
CN110273355B (en) * | 2019-06-28 | 2021-04-16 | 山东通维信息工程有限公司 | Environment-friendly intelligent parking lot based on big data |
CN110788823B (en) * | 2019-10-23 | 2020-12-04 | 中国十七冶集团有限公司 | Laser auxiliary marking device for engineering measurement and construction method |
CN111926674A (en) * | 2020-08-20 | 2020-11-13 | 徐浩杰 | Adjustable intermittent discharging part and traffic marking spraying device |
CN112030704A (en) * | 2020-08-20 | 2020-12-04 | 徐浩杰 | Town road traffic marking spraying device |
CN112502011A (en) * | 2020-11-24 | 2021-03-16 | 叶远付 | Town road marking device |
CN112554027A (en) * | 2021-01-26 | 2021-03-26 | 北京利殊雅科技有限公司 | Road marking drawing device of changeable different shapes |
CN113026518B (en) * | 2021-02-26 | 2022-10-11 | 徐州市康农消毒技术研究院有限公司 | Epidemic prevention is with outdoor detection of lining up guide seal drawing car |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3723283C2 (en) * | 1987-07-15 | 1996-11-28 | Hofmann Walter Maschf | Drive arrangement for the pumps of marking machines or the like. |
CN2308627Y (en) * | 1997-07-15 | 1999-02-24 | 王大辉 | Traffic marking line controlling device |
AU2000271137A1 (en) * | 2000-03-21 | 2001-10-03 | 3M Innovative Properties Company | Flame-sprayer for spraying curbs |
NO316123B1 (en) * | 2001-06-28 | 2003-12-15 | Trysil Maskin As | Marking coatings for roadways, parking lots, road junctions and the like, and an apparatus for depositing such marking coatings |
PL376825A1 (en) * | 2005-08-30 | 2006-02-20 | Przedsiębiorstwo Wielobranżowe ROTOMAT T.Krawczykowski i R.Kazubowski Spółka jawna | Method and appliance for the road marking |
CN203514226U (en) * | 2013-07-09 | 2014-04-02 | 台州市四方交通建设工程有限公司 | Interval type road traffic marking and scribing device thereof |
CN105316998B (en) * | 2015-11-05 | 2017-10-10 | 江苏锡沂高新区科技发展有限公司 | A kind of road brushing dotted line device |
CN107299972A (en) * | 2016-04-15 | 2017-10-27 | 董秀玲 | Lines on road surface equipment automaton |
WO2017186970A1 (en) * | 2016-04-29 | 2017-11-02 | Fleet (Line Markers) Limited | Mobile marking apparatus and method of marking a ground surface |
CN107178028A (en) * | 2017-07-17 | 2017-09-19 | 孙杰士 | A kind of road curve scriber |
CN107288023A (en) * | 2017-07-31 | 2017-10-24 | 陈颖 | A kind of roller compaction type municipal administration applies line apparatus with road |
-
2018
- 2018-02-02 CN CN201810105793.1A patent/CN108360356B/en active Active
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Effective date of registration: 20201022 Address after: No. 158, Xidi Village, Xidi Village, Huian County, Quanzhou City, Fujian Province Applicant after: Huian Kaiyun Stone Industry Co., Ltd Address before: 362300 No. 333, Shi Shan Street, Shi Shan town, Nanan City, Quanzhou, Fujian. Applicant before: Huang Cidong |
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