CN109555020B - Road and bridge steel bar interval dotting and distance marking device - Google Patents
Road and bridge steel bar interval dotting and distance marking device Download PDFInfo
- Publication number
- CN109555020B CN109555020B CN201811396614.0A CN201811396614A CN109555020B CN 109555020 B CN109555020 B CN 109555020B CN 201811396614 A CN201811396614 A CN 201811396614A CN 109555020 B CN109555020 B CN 109555020B
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- vertical rod
- hole
- piston
- dotting
- friction wheel
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
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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
- E01C23/04—Devices for laying inserting or positioning reinforcing elements or dowel bars with or without joint bodies; Removable supports for reinforcing or load transfer elements; Devices, e.g. removable forms, for making essentially horizontal ducts in paving, e.g. for prestressed reinforcements
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2101/00—Material constitution of bridges
- E01D2101/20—Concrete, stone or stone-like material
- E01D2101/24—Concrete
- E01D2101/26—Concrete reinforced
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
- Road Repair (AREA)
Abstract
The invention relates to a road and bridge steel bar spacing dotting and distance marking device, which effectively solves the problems that the prior dotting and distance marking device is easy to damage and has unclear dotting; the technical scheme includes that the vehicle comprises a vehicle body, a material box is arranged on the vehicle body, a fixed block is arranged on the side wall of the material box, a piston cavity is formed in the fixed block, a vertical rod capable of popping out downwards is arranged in the piston cavity, a slidable piston is arranged on the vertical rod, a transverse first through hole is formed in the vertical rod, the piston can seal or open the first through hole by sliding relative to the vertical rod, a second through hole communicated with the first through hole is formed in the vertical rod, a plurality of liquid inlet holes are formed in the side wall of the fixed block, a rotatable annular sleeve is arranged on the outer wall of the material box, and a notch is formed in the side; the invention has the advantages of clear and obvious mark, difficult damage of equipment, low maintenance cost, long service life, stepless distance adjustment, light volume and convenient carrying and use.
Description
Technical Field
The invention relates to the field of municipal construction, in particular to a road and bridge steel bar spacing dotting and distance marking device.
Background
When the reinforced concrete pavement and the overpass are constructed, a reinforcing mesh needs to be laid, reinforcing bars need to be laid according to a certain interval, and the prior art is generally determined by manual marking or paying off by workers with scales. Manual marking is time-consuming and labor-consuming, human errors are large, working efficiency is low, accuracy cannot be guaranteed, construction quality and progress are affected, and construction period is prolonged; in the prior art, some dotting and distance marking devices exist, but a dotting pen is adopted for dotting, the pen point frequently contacts and impacts with a working surface, the damage is easy, dust, impurities and the like exist on the working surface, and the marks of the dotting pen are not clear enough and are easy to erase; in addition, the existing device cannot adjust the distance or the adjusting device has a complex structure and is inconvenient to use.
Disclosure of Invention
Aiming at the situation, in order to overcome the defects of the prior art, the invention provides a road and bridge steel bar spacing dotting and distance marking device, which effectively solves the problems that the prior dotting and distance marking device is easy to damage and has unclear dotting.
The technical scheme includes that the road and bridge steel bar spacing dotting and distance marking device comprises a vehicle body, wherein a cylindrical material box is fixedly mounted on the vehicle body, a fixed block is screwed at the lowest position of the side wall of the material box, a piston cavity is formed in the fixed block, a liquid passing hole communicated with the material box is formed in the top of the piston cavity, a vertical rod capable of popping out downwards is mounted in the piston cavity, two baffles are mounted at the upper part of the vertical rod at intervals, a piston capable of sliding on the vertical rod is mounted between the two baffles, the outer wall of the piston is attached to the inner wall of the piston cavity, a transverse first through hole positioned between the two baffles is formed in the vertical rod, the piston can slide downwards relative to the vertical rod to seal the first through hole and can slide upwards relative to the vertical rod to open the first through hole, a vertical second through hole is formed in the vertical rod, and the upper end of the second through; the side wall of the fixed block is provided with a plurality of liquid inlet holes, the upper orifice of each liquid inlet hole is communicated with the material box, the lower orifice of each liquid inlet hole is communicated with the piston cavity, the piston can go upwards or downwards across the lower orifice of each liquid inlet hole when moving up and down in the piston cavity, and the lower orifice of each liquid inlet hole is positioned below the piston when the piston is positioned at the uppermost position; the outer wall of the material box is provided with a rotatable annular sleeve, and the side wall of the annular sleeve is provided with a notch; the annular sleeve is fixedly connected with a driven belt wheel, a conical first friction wheel is mounted on one wheel shaft of the vehicle body, a conical second friction wheel is arranged on one side of the first friction wheel, the taper angles of the two friction wheels are the same, the axes of the two friction wheels are parallel and are meshed with each other in a conical manner, the second friction wheel can move axially, the axial length of the second friction wheel is smaller than that of the first friction wheel, a driving belt wheel is fixedly connected with the second friction wheel in a coaxial manner, and a belt is connected between the driving belt wheel and the driven belt wheel.
The invention has the advantages of clear and obvious mark, difficult damage of equipment, low maintenance cost, long service life, stepless distance adjustment, light volume and convenient carrying and use.
Drawings
FIG. 1 is a front cross-sectional view of the present invention.
FIG. 2 is a top cross-sectional view of the present invention.
Figure 3 is a left side cross-sectional view of the bin and collar when the notches are not opposite the vertical posts.
FIG. 4 is a left side cross-sectional view of the bin and collar with the notches opposite the vertical posts.
Fig. 5 is an enlarged view of a portion a of fig. 1.
Fig. 6 is an enlarged view of a portion B of fig. 3.
Fig. 7 is an enlarged view of a portion C in fig. 4.
Fig. 8 is an enlarged view of a portion D in fig. 2.
Fig. 9 is an enlarged view of a portion E in fig. 2.
Fig. 10 is a schematic view of a belt drive.
Detailed Description
The following description of the embodiments of the present invention will be made in detail with reference to the accompanying drawings.
As shown in fig. 1 to 10, the trolley comprises a trolley body 1, wherein a cylindrical material box 2 is fixedly mounted on the trolley body 1, a fixing block 3 is screwed at the lowest position of the side wall of the material box 2, a piston cavity 4 is formed in the fixing block 3, a liquid passing hole 5 communicated with the material box 2 is formed in the top of the piston cavity 4, a vertical rod 6 capable of popping out downwards is mounted in the piston cavity 4, two baffles 7 are mounted at intervals on the upper part of the vertical rod 6, a piston 8 capable of sliding on the vertical rod 6 is mounted between the two baffles 7, the outer wall of the piston 8 is attached to the inner wall of the piston cavity 4, a transverse first through hole 9 positioned between the two baffles 7 is formed in the vertical rod 6, the piston 8 can slide downwards relative to the vertical rod 6 to seal the first through hole 9, and slide upwards relative to the vertical rod 6 to open the first through hole 9, a vertical second through hole 10 is formed in the vertical rod 6, and the upper end of the second; the side wall of the fixed block 3 is provided with a plurality of liquid inlet holes 11, the upper orifice of the liquid inlet hole 11 is communicated with the feed box 2, the lower orifice is communicated with the piston cavity 4, the piston 8 can go over the lower orifice of the liquid inlet hole 11 upwards or downwards when moving up and down in the piston cavity 4, and when the piston 8 is positioned at the uppermost position, the lower orifice of the liquid inlet hole 11 is positioned below the piston 8; the outer wall of the material box 2 is provided with a rotatable annular sleeve 12, and the side wall of the annular sleeve 12 is provided with a notch 13; the annular sleeve 12 is fixedly connected with a driven belt wheel 14, one wheel shaft of the vehicle body 1 is provided with a conical first friction wheel 15, one side of the first friction wheel 15 is provided with a conical second friction wheel 16, the conical angles of the two friction wheels are the same, the axes of the two friction wheels are parallel and the conical surfaces are meshed, the second friction wheel 16 can move along the axial direction, the axial length of the second friction wheel 16 is smaller than that of the first friction wheel 15, the second friction wheel 16 is coaxially and fixedly connected with a driving belt wheel 17, and a belt 18 is connected between the driving belt wheel 17 and the driven belt wheel 14.
In order to realize downward ejection of the vertical rod 6, a first pressure spring 19 is arranged between the upper end of the vertical rod 6 and the top of the piston cavity 4, the bottom of the piston cavity 4 is provided with an end cover 20 screwed through threads, the end cover 20 is provided with a third through hole 21, and the lower end of the vertical rod 6 can extend out of the piston cavity 4 through the third through hole 21; when the piston is installed, the vertical rod 6 is installed in the piston cavity 4, and then the end cover 20 is screwed on.
In order to realize the axial movement of the second friction wheel 16, the second friction wheel 16 is screwed on a mandrel 22 through threads, a lock nut 23 positioned outside the large end of the second friction wheel 16 is arranged on the mandrel 22, the left end and the right end of the mandrel 22 are arranged on the vehicle body 1, and the mandrel 22 can move along the front-back direction.
In order to realize the movement of the mandrel 22 of the second friction wheel 16, two ends of the mandrel 22 can be rotatably provided with a sliding block 24, the left side wall and the right side wall of the vehicle body 1 are respectively provided with a sliding groove 25 in the front-back direction, the sliding block 24 is arranged in the sliding groove 25 and can slide in the sliding groove 25, a second pressure spring 26 is arranged between each sliding block 24 and the groove end, and the two second pressure springs 26 can enable the second friction wheel 16 to be pressed with the first friction wheel 15.
In order to ensure that the piston 8 can slide downwards relative to the vertical rod 6 to seal the first through hole 9 when the vertical rod 6 is pressed to the uppermost position by the annular sleeve 12, the upper end of the side wall of the fixed block 3 is provided with a radial screw 27, the inner end of the screw 27 extends into the piston cavity 4 to prevent the piston 8 from continuously moving upwards along with the vertical rod 6, and at the moment, the piston 8 moves to the uppermost position in the stroke.
One side of the notch 13 is a steep straight edge, the other side is a curved edge with a slow descending gradient, and the outer opening of the notch 13 is small and the inner opening is large.
To ensure that the belt 18 is tensioned at all times, a tension pulley 28 is mounted on the inside of the belt 18.
In order to enable the annular sleeve 12 to flexibly and stably rotate outside the feed box 2, a plurality of grooves 29 are uniformly distributed on the circumference of each end of the annular sleeve 12, a ball 30 is mounted in each groove 29, and the inner side of each ball 30 is contacted with the outer wall of the feed cylinder; both ends of the annular sleeve 12 are provided with a baffle disc 31 for preventing the balls 30 from falling off, and the baffle discs 31 are fixed at both ends of the annular sleeve 12 through fastening screws 27 or welding.
The upper side of the feed box 2 is provided with a feed inlet 32, the lower side is provided with a discharge outlet 33, and the feed inlet 32 and the discharge outlet 33 are plugged by plugs.
When the invention is used in concrete, the bin 2 is filled with spraying marking materials such as printing ink, paint and the like; when the marking distance on the working surface needs to be marked, the vehicle body 1 is conveyed to the starting position of the marking, in the initial state, the notch 13 on the annular sleeve 12 is opposite to the vertical rod 6, and the lower end of the vertical rod 6 is popped out of the third through hole 21 under the action of the first pressure spring 19; after automobile body 1 carried to the initial point of hitting, promote automobile body 1 and move along the route of hitting, the shaft rotation can drive first friction pulley 15 on it and rotate, first friction pulley 15 drives rather than the rotation of engaged with second friction pulley 16, second friction pulley 16 drives driving pulley 17 and driven pulley 14 and rotates, driven pulley 14 rotates and drives annular cover 12 synchronous revolution, annular cover 12 rotates and can make the curved edge of notch 13 upwards promote montant 6 gradually, until montant 6 contracts in the third through-hole 21 completely, the liquid of piston 8 top gets into in the workbin 2 through liquid hole 5.
In the process that the vertical rod 6 is pushed upwards, when the baffle 7 below is in contact with the piston 8, the piston 8 moves upwards synchronously along with the vertical rod 6, at the moment, the piston 8 seals the first through hole 9, if the piston 8 cannot slide downwards relative to the vertical rod 6 due to friction force between the piston 8 and the vertical rod 6, when the piston 8 moves upwards along with the vertical rod 6 until the upper surface of the piston 8 is in contact with the inner end of the screw 27, the screw 27 can prevent the piston 8 from continuing to move upwards along with the vertical rod 6, the vertical rod 6 continues to move upwards until the lower end is completely retracted into the third blind hole, at the moment, the piston 8 is in contact with the baffle 7 below, and therefore the first through hole 9 is; at the moment, the lower opening of the liquid inlet hole 11 is positioned below the piston 8, and the spraying agent in the feed box 2 flows into the piston cavity 4 below the piston 8 through the liquid inlet hole 11.
When the annular sleeve 12 rotates to the position that the notch 13 is opposite to the vertical rod 6 again along with the walking of the vehicle body 1, the vertical rod 6 loses the blocking effect of the inner wall of the annular sleeve 12, the vertical rod 6 pops downwards under the action of the first pressure spring 19, the straight edge of the notch 13 which drops steeply can enable the vertical rod 6 to lose the blocking effect instantly and pop out, however, the piston 8 is pushed to be in contact with the upper baffle 7 by the reaction force of liquid below the piston and then moves downwards along with the vertical rod 6, the first through hole 9 is opened at the moment, the piston 8 moves downwards to pass through the lower orifice of the liquid inlet hole 11, the lower part of the piston 8 is separated from the feed box 2, the piston 8 moves downwards to extrude the spraying agent below the piston 8, the spraying agent is sprayed out through the first through hole 9 and the second through hole 10; the vehicle body 1 continues to walk, the annular sleeve 12 continues to rotate, the vertical rod 6 is pushed to the uppermost position again, the piston 8 is located above the lower orifice of the liquid inlet hole 11, liquid is fed again below the piston 8, and when the notch 13 is opposite to the vertical rod 6 next time, the vertical rod 6 moves downwards to be sprayed again, and the cycle is repeated.
When the vehicle body 1 moves for a fixed distance, the annular sleeve 12 rotates for a circle, and the device sprays once, so that fixed-distance dotting marking is realized; if the spraying distance is to be adjusted, the transmission ratio between the wheel and the annular sleeve 12 needs to be adjusted; if the distance needs to be reduced, the transmission ratio between the wheels and the annular sleeve 12 needs to be reduced, namely, under the condition that the vehicle speed is not changed, the angular speed of the annular sleeve 12 is increased, and the specific method comprises the following steps: when the spindle 22 of the second friction wheel 16 is kept from rotating and the second friction wheel 16 is rotated to move towards the large end of the first friction wheel 15, the diameter of the first friction wheel 15 at the meshing part with the second friction wheel 16 is increased, and when the rotating speed of the first friction wheel 15 is not changed, namely the vehicle speed is not changed, the rotating speed of the second friction wheel 16 is increased, the rotating speeds of the driving pulley 17 and the driven pulley 14 are increased, namely the rotating speed of the annular sleeve 12 is increased, therefore, the stroke of the vehicle body 1 is reduced within one rotation time of the annular sleeve 12, namely the spraying mark distance is reduced, and the lock nut 23 is tightened after the second friction wheel 16 is adjusted; on the contrary, if the distance needs to be increased, the transmission ratio between the wheels and the annular sleeve 12 needs to be increased, that is, under the condition that the vehicle speed is not changed, the angular speed of the annular sleeve 12 is slowed down, and the specific method comprises the following steps: when the spindle 22 of the second friction wheel 16 is kept to be rotated, the locknut 23 is loosened, the second friction wheel 16 is rotated to move towards the small end of the first friction wheel 15, the diameter of the first friction wheel 15 at the meshing part with the second friction wheel 16 is reduced, and when the rotating speed of the first friction wheel 15 is not changed, namely the vehicle speed is not changed, the rotating speed of the second friction wheel 16 is reduced, the rotating speeds of the driving pulley 17 and the driven pulley 14 are reduced, namely the rotating speed of the annular sleeve 12 is reduced, so that the stroke of the vehicle body 1 is increased within one-circle rotation time of the annular sleeve 12, namely the spraying mark interval is increased, and the locknut 23 is tightened after the second friction wheel 16 is adjusted; the second friction wheel 16 moves axially and simultaneously has displacement in the direction perpendicular to the axis, and the sliding blocks 24 at the two ends of the mandrel 22 slide in the sliding grooves 25 to realize the displacement of the second friction wheel 16 in the direction; graduations may be marked along the spindle 22 of the second friction wheel 16 to facilitate accurate adjustment of the spray spacing; the tensioner 28 ensures that the belt 18 is effectively tensioned.
After the spraying agent in the work bin 2 is used up, the plug of the feeding hole 32 is opened to add the spraying agent, when the spraying agent needs to be replaced, the plug of the discharging hole 33 is opened to empty the work bin 2, and then new spraying agent is added.
When the dust-proof rubber sleeve is not used, the annular sleeve 12 is rotated to the position where the notch 13 is opposite to the vertical rod 6, so that the vertical rod 6 is popped up, the piston 8 separates the material box 2 from the outside and is convenient to use next time, and then the lower end of the vertical rod 6 is sleeved with the dust-proof rubber sleeve.
The fixing block 3 and the components in the fixing block can be integrally replaced when damaged, and the vertical rod 6 and the components on the vertical rod can be independently replaced.
The invention has the following remarkable advantages: firstly, the invention adopts a spraying mode to carry out dotting marking, the vertical rod 6 does not contact and collide with the ground, the damage to parts is avoided, the service life is prolonged, the maintenance cost is reduced, and the spraying marking is more obvious and clear compared with the dotting pen, and the dotting effect is good; in addition, the dotting distance can be rapidly and steplessly adjusted, and the adaptability is strong; moreover, the invention has the advantages of light volume, convenient carrying and use, is equivalent to a toy car, can be pushed along a dotting route, can be adapted to both linear and curved dotting, and has high dotting speed and high efficiency.
Claims (9)
1. The road and bridge steel bar spacing dotting and distance marking device comprises a vehicle body (1) and is characterized in that a cylindrical work bin (2) is fixedly mounted on the vehicle body (1), a fixing block (3) is screwed at the lowest position of the side wall of the work bin (2), a piston cavity (4) is formed in the fixing block (3), a liquid passing hole (5) communicated with the work bin (2) is formed in the top of the piston cavity (4), a vertical rod (6) capable of popping downwards is mounted in the piston cavity (4), two baffles (7) are mounted at the upper part of the vertical rod (6) at intervals, a piston (8) capable of sliding on the vertical rod (6) is mounted between the two baffles (7), the outer wall of the piston (8) is attached to the inner wall of the piston cavity (4), a transverse first through hole (9) positioned between the two baffles (7) is formed in the vertical rod (6), the piston (8) can slide downwards relative to the vertical rod (6) and can seal the first through hole (9, the first through hole (9) can be opened by sliding upwards relative to the vertical rod (6), a vertical second through hole (10) is formed in the vertical rod (6), and the upper end of the second through hole (10) is communicated with the first through hole (9); a plurality of liquid inlet holes (11) are formed in the side wall of the fixed block (3), the upper orifice of each liquid inlet hole (11) is communicated with the material box (2), the lower orifice of each liquid inlet hole is communicated with the piston cavity (4), the piston (8) can upwards or downwards cross the lower orifice of each liquid inlet hole (11) when moving up and down in the piston cavity (4), and when the piston (8) is located at the uppermost position, the lower orifice of each liquid inlet hole (11) is located below the piston (8); a rotatable annular sleeve (12) is arranged on the outer wall of the material box (2), a notch (13) is formed in the side wall of the annular sleeve (12), when the annular sleeve (12) rotates until the notch (13) is opposite to the vertical rod (6), the vertical rod (6) loses the blocking effect of the inner wall of the annular sleeve (12), and the vertical rod (6) is ejected downwards under the effect of a first pressure spring (19); the annular sleeve (12) is fixedly connected with a driven belt wheel (14), a conical first friction wheel (15) is mounted on one wheel shaft of the vehicle body (1), a conical second friction wheel (16) is arranged on one side of the first friction wheel (15), the taper angles of the two friction wheels are the same, the axes of the two friction wheels are parallel and the conical surfaces of the two friction wheels are meshed, the second friction wheel (16) can move along the axial direction, the axial length of the second friction wheel (16) is smaller than that of the first friction wheel (15), the second friction wheel (16) is coaxially and fixedly connected with a driving belt wheel (17), and a belt (18) is connected between the driving belt wheel (17) and the driven belt wheel (14).
2. The road and bridge steel bar spacing dotting and distance marking device according to claim 1, wherein a first pressure spring (19) is installed between the upper end of the vertical rod (6) and the top of the piston cavity (4), the bottom of the piston cavity (4) is provided with an end cover (20) which is screwed through threads, the end cover (20) is provided with a third through hole (21), and the lower end of the vertical rod (6) can extend out of the piston cavity (4) through the third through hole (21).
3. The road and bridge steel bar spacing dotting and distance marking device according to claim 1, wherein the second friction wheel (16) is screwed on a mandrel (22) of the road and bridge steel bar spacing dotting and distance marking device through threads, a locking nut (23) located on the outer side of the large end of the second friction wheel (16) is installed on the mandrel (22), the left end and the right end of the mandrel (22) are installed on the vehicle body (1), and the mandrel (22) can move in the front-back direction.
4. The road and bridge steel bar spacing dotting and distance marking device according to claim 3, wherein two ends of the mandrel (22) are rotatably provided with a sliding block (24), the left side wall and the right side wall of the vehicle body (1) are respectively provided with a sliding groove (25) in the front-back direction, the sliding block (24) is arranged in the sliding groove (25) and can slide in the sliding groove (25), a second pressure spring (26) is arranged between each sliding block (24) and the groove end, and the two second pressure springs (26) can enable the second friction wheel (16) to be pressed against the first friction wheel (15).
5. The road and bridge steel bar spacing dotting and distance marking device according to claim 1, wherein the upper end of the side wall of the fixed block (3) is provided with a radial screw (27), and the inner end of the screw (27) extends into the piston cavity (4) to prevent the piston (8) from moving upwards along with the vertical rod (6).
6. A road and bridge steel bar spacing dotting gauge length device according to claim 1, characterized in that one side of the notch (13) is a straight edge with a steep descending slope, the other side is a curved edge with a slow descending slope, and the outer opening of the notch (13) is small and the inner opening is large.
7. A road and bridge steel bar spacing dotting and distance marking device according to claim 1, characterized in that a tension pulley (28) is installed inside said belt (18).
8. The road and bridge steel bar spacing dotting and distance marking device is characterized in that a plurality of grooves (29) are uniformly distributed on the circumference of each end of the annular sleeve (12), a ball (30) is mounted in each groove (29), and the inner side of each ball (30) is in contact with the outer wall of the charging barrel; both ends of the annular sleeve (12) are provided with a baffle disc (31) for preventing the balls (30) from falling, and the baffle discs (31) are fixed at both ends of the annular sleeve (12) through fastening screws (27) or welding.
9. A road and bridge steel bar spacing dotting and gauge length marking device according to claim 1, characterized in that the upper side of the bin (2) is provided with a feeding hole (32), and the lower side is provided with a discharging hole (33).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811396614.0A CN109555020B (en) | 2018-11-22 | 2018-11-22 | Road and bridge steel bar interval dotting and distance marking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811396614.0A CN109555020B (en) | 2018-11-22 | 2018-11-22 | Road and bridge steel bar interval dotting and distance marking device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109555020A CN109555020A (en) | 2019-04-02 |
| CN109555020B true CN109555020B (en) | 2020-07-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811396614.0A Active CN109555020B (en) | 2018-11-22 | 2018-11-22 | Road and bridge steel bar interval dotting and distance marking device |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110700110B (en) * | 2019-10-31 | 2021-02-19 | 四川省佳宇建设集团有限公司 | Steel bar spacing point marking device |
| CN110700111B (en) * | 2019-10-31 | 2021-01-29 | 河南城建学院 | Bridge floor concrete layer reinforcing bar positioner |
| CN111502305A (en) * | 2020-04-09 | 2020-08-07 | 金声林 | Shed face reinforcing bar unwrapping wire ware for construction |
| CN113842704B (en) * | 2021-09-24 | 2023-06-02 | 杭州科斯玛膜科技有限公司 | Pedal press filter |
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| WO2017186970A1 (en) * | 2016-04-29 | 2017-11-02 | Fleet (Line Markers) Limited | Mobile marking apparatus and method of marking a ground surface |
| CN106758884B (en) * | 2017-03-14 | 2018-11-23 | 深圳市粤通建设工程有限公司 | A kind of bridge pavement to maintain equipment |
| CN207031997U (en) * | 2017-08-07 | 2018-02-23 | 重庆浙升科技有限公司 | A kind of pavement marker instruction device |
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| US2085371A (en) * | 1936-05-05 | 1937-06-29 | Alva L Kitselman | Roller painter |
| US3589612A (en) * | 1969-12-22 | 1971-06-29 | Prismo Universal Corp | Modular liquid spray gun |
| WO2005064082A1 (en) * | 2003-12-23 | 2005-07-14 | Hofmann Gmbh Maschinenfabrik Und Vertrieb | Method and device for creating marking lines |
| CN1942285A (en) * | 2004-04-19 | 2007-04-04 | 伊利诺斯器械工程公司 | In-can fuel cell metering valve |
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| CN109555020A (en) | 2019-04-02 |
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