CN209975378U - Road and bridge dotting device for municipal construction - Google Patents
Road and bridge dotting device for municipal construction Download PDFInfo
- Publication number
- CN209975378U CN209975378U CN201920588151.1U CN201920588151U CN209975378U CN 209975378 U CN209975378 U CN 209975378U CN 201920588151 U CN201920588151 U CN 201920588151U CN 209975378 U CN209975378 U CN 209975378U
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- CN
- China
- Prior art keywords
- piston
- piston cavity
- road
- cam
- cart
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- 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.)
- Expired - Fee Related
Links
- 238000010276 construction Methods 0.000 title claims abstract description 14
- 239000007788 liquid Substances 0.000 claims abstract description 29
- 239000007921 spray Substances 0.000 claims abstract description 11
- 239000003973 paint Substances 0.000 claims description 12
- 238000007789 sealing Methods 0.000 claims description 2
- 238000007599 discharging Methods 0.000 claims 1
- 239000011248 coating agent Substances 0.000 abstract description 14
- 238000000576 coating method Methods 0.000 abstract description 14
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
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Abstract
The utility model relates to a road and bridge dotting device for municipal construction, which effectively solves the problems that a dotting gauge length device is easy to damage and is unclear; the cart adopts the technical scheme that a coating barrel is mounted on a cart board, the lower end of the coating barrel extends to the lower portion of the cart board, a vertical piston cavity is formed in the bottom of the coating barrel, a piston is mounted in the piston cavity, a pressure spring is mounted above the piston, a liquid inlet channel communicated with the coating barrel is formed in the middle of the side wall of the piston cavity, a liquid outlet is formed in the bottom of the piston cavity, the lower end of the liquid outlet is connected with a downward spray head, a pressure valve and a one-way valve capable of supplying liquid are mounted between the spray head and the liquid outlet, the lower surface of the piston is connected with a vertical rod, the lower end of the vertical rod extends out of the piston cavity and is connected with a horizontal pressure plate, a cam capable of pushing the vertical rod to move; the utility model discloses it is efficient to beat, and the part is not fragile, long service life, and beat clearly.
Description
Technical Field
The utility model relates to a municipal construction field specifically is a road and bridge dotting device for municipal construction.
Background
In the construction process of the bridge deck of the overpass, a reinforcing mesh needs to be laid on the road surface, and reinforcing steel bars need to be laid at certain intervals, so that dotting gauge length needs to be performed on the road surface before the reinforcing steel bars are laid, and generally manual paying-off gauge length is performed at present, time and labor are wasted, errors are large, and construction quality and progress are affected; some dotting devices exist in the prior art, but a dotting pen frequently impacts the ground and is easy to damage, and when dust exists on the road surface, the marks of the dotting pen are not clear enough and are easy to erase.
SUMMERY OF THE UTILITY MODEL
To the above situation, for overcoming prior art's defect, the utility model provides a device is got ready to road and bridge roof beam for municipal construction, effectual solution got ready the gauge length device and damaged easily, got ready unclear problem.
The technical scheme for solving the problem is that the road and bridge dotting device for municipal construction comprises a cart consisting of a cart plate and wheels, wherein a vertical coating barrel is mounted on the cart plate, the lower end of the coating barrel extends to the lower part of the cart plate, a vertical piston cavity is formed in the bottom of the coating barrel, a piston is mounted in the piston cavity, a pressure spring is mounted above the piston, a liquid inlet channel communicated with the coating barrel is formed in the middle of the side wall of the piston cavity, a liquid outlet is formed in the bottom of the piston cavity, a downward spray head is connected to the lower end of the liquid outlet, and a pressure valve and a one-way valve capable of allowing liquid to flow out are mounted between the spray head and the liquid outlet; the lower surface of the piston is connected with a vertical rod, the lower end of the vertical rod extends out of the piston cavity and is connected with a horizontal pressure plate, a cam capable of pushing the vertical rod to move up and down is arranged below the pressure plate, the return angle of the cam is 0, and the cam is driven to rotate by a wheel shaft of the trolley.
The utility model discloses can accurate automatic dotting, the amount of labour is little, and is efficient, and the part is not fragile, long service life, and dotting clearly.
Drawings
Fig. 1 is a front sectional view of the piston of the present invention when it is located at the upper end.
Fig. 2 is a front sectional view of the present invention during spraying.
FIG. 3 is a top view of a belt position.
Fig. 4 is a schematic view of a cam structure.
Detailed Description
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings.
The utility model discloses a shallow by 1-4, the utility model discloses a constitute by sweep 1 and wheel 2, install a vertical coating bucket 3 on the sweep 1, the lower extreme of coating bucket 3 extends sweep 1 below, open the bottom of coating bucket 3 has a vertical piston chamber 4, install a piston 5 in the piston chamber 4, a pressure spring 6 is installed to the top of piston 5, open at the middle part of piston chamber 4 lateral wall has the inlet channel 7 that communicates with coating bucket 3, open the bottom of piston chamber 4 has a liquid outlet 8, the lower extreme of liquid outlet 8 is connected with a decurrent shower nozzle 9, install pressure valve 10 and the check valve 11 that can supply out liquid between shower nozzle 9 and liquid outlet 8; the lower surface of the piston 5 is connected with a vertical rod 12, the lower end of the vertical rod 12 extends out of the piston cavity 4 and is connected with a horizontal pressure plate 13, a cam 14 capable of pushing the pressure plate 13 to move up and down is arranged below the pressure plate 13, the return angle of the cam 14 is 0, and the cam 14 is driven to rotate by a wheel shaft of the cart.
A rotating shaft 15 parallel to the wheel shaft is arranged below the sweep 1, the cam 14 is fixedly arranged on the rotating shaft 15, a replaceable first belt wheel 16 is arranged on the rotating shaft 15, the first belt wheel 16 is connected with the rotating shaft 15 through a flat key, a second belt wheel 17 is arranged on one wheel shaft of the cart, and a belt 18 is connected between the first belt wheel 16 and the second belt wheel 17; the wheel 2 rotates when the cart moves and the belt 18 can drive the cam 14 to rotate.
A liquid return channel 19 positioned above the piston 5 is formed in the side wall of the piston cavity 4, and the upper end of the liquid return channel 19 is communicated with the paint bucket 3; the liquid paint above the piston 5 can be returned to the paint bucket 3 through the liquid return passage 19 when the piston moves upward.
A tension pulley 20 is arranged on the inner side of the belt 18.
The sealing ring is arranged at the position where the vertical rod 12 penetrates through the bottom of the piston cavity 4.
When the utility model is used, sufficient liquid coating is added into the coating channel, the flat key between the first belt wheel 16 and the rotating shaft 15 is removed, the first belt wheel 16 can idle on the rotating shaft 15, then the cart is pushed to the initial position of dotting, then the flat key is installed, or the cart is directly transported to the initial position of dotting under the condition that the flat key is not removed, at the moment, the initial position of the cam 14 close to the angle of repose is required to be in contact with the pressing plate, at the moment, the piston 5 is positioned at the lowest position, and then the cart is pushed to advance along the dotting route; when the cart moves, the wheel shaft rotates to drive the cam 14 to rotate through the first belt wheel 16, the second belt wheel 17 and the belt 18, when the stroke pushing part of the cam 14 is in contact with the pressing plate, the cam 14 pushes the pressing plate upwards, the pressing plate pushes the piston 5 through the vertical rod 12 to move upwards under the action of the pressure spring 6, when the piston 5 moves to the lower port of the liquid inlet channel 7, under the action of negative pressure and gravity in the piston cavity 4, paint in the paint bucket 3 flows into the piston cavity 4 below the piston 5 through the liquid inlet channel 7, and the piston 5 can stay at the upper end position for a period of time through the remote angle of repose of the cam 14, so that the lower part of the piston can be filled with the paint; when the cam 14 rotates to a far rest part and is in binding contact with the press plate, the return angle of the cam 14 is 0, so that the cam 14 has a sudden descending return process, the cam 14 loses upward thrust on the press plate instantly, the piston 5 moves downwards under the action of the pressure spring 6 above the piston 5 to cross the lower port of the liquid inlet channel 7, and the paint below the piston 5 is sprayed out of the spray head 9 through the check valve 11 and the pressure valve 10 and is dotted on the ground.
The trolley continuously advances, the cam 14 continuously rotates, the spray head 9 sprays once when the cam 14 rotates for one circle, and the transmission ratio of the cam 14 to the wheel 2 is fixed, so that the spray head 9 sprays once when the wheel 2 moves for a fixed distance, and dotting and distance marking are realized.
If it is desired to change the painting distance, it is sufficient to change the transmission ratio between the wheel 2 and the cam 14 by replacing the first pulley 16 of a different diameter.
The utility model discloses cam 14 and the linkage of wheel 2 can realize accurate automatic work of dotting, and the amount of labour is little moreover, and is efficient, and adopts the mode of spraying to dotte, and shower nozzle 9 is not striking with ground, and the part is not fragile, long service life, and it is clear to dotte.
Claims (5)
1. A road and bridge dotting device for municipal construction comprises a cart composed of a cart board (1) and wheels (2), and is characterized in that a vertical paint barrel (3) is mounted on the cart board (1), the lower end of the paint barrel (3) extends to the lower side of the cart board (1), a vertical piston cavity (4) is formed in the bottom of the paint barrel (3), a piston (5) is mounted in the piston cavity (4), a pressure spring (6) is mounted above the piston (5), a liquid inlet channel (7) communicated with the paint barrel (3) is formed in the middle of the side wall of the piston cavity (4), a liquid outlet (8) is formed in the bottom of the piston cavity (4), the lower end of the liquid outlet (8) is connected with a downward spray head (9), and a pressure valve (10) and a one-way valve (11) capable of discharging liquid are mounted between the spray head (9) and the liquid outlet (8); the lower surface of the piston (5) is connected with a vertical rod (12), the lower end of the vertical rod (12) extends out of the piston cavity (4) and is connected with a horizontal pressure plate (13), a cam (14) capable of pushing the vertical rod to move up and down is arranged below the pressure plate (13), the return angle of the cam (14) is (0), and the cam (14) is driven by a wheel shaft of the trolley to rotate.
2. The road and bridge dotting device for municipal construction according to claim 1, wherein a rotating shaft (15) parallel to the wheel shaft is installed below the sweep (1), the cam (14) is fixedly installed on the rotating shaft (15), a replaceable first belt pulley (16) is installed on the rotating shaft (15), the first belt pulley (16) is connected with the rotating shaft (15) through a flat key, a second belt pulley (17) is installed on one wheel shaft of the cart, and a belt (18) is connected between the first belt pulley (16) and the second belt pulley (17).
3. The road and bridge dotting device for municipal construction according to claim 1, wherein the piston chamber (4) is provided with a liquid return channel (19) on the side wall above the piston (5), and the upper end of the liquid return channel (19) is communicated with the paint bucket (3).
4. The device for dotting the road and bridge for municipal construction according to claim 2, wherein the belt (18) is provided with a tension pulley (20) on the inside.
5. The road and bridge dotting device for municipal construction according to claim 1, wherein the sealing ring is mounted at a position where the vertical rod (12) passes through the bottom of the piston cavity (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920588151.1U CN209975378U (en) | 2019-04-26 | 2019-04-26 | Road and bridge dotting device for municipal construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920588151.1U CN209975378U (en) | 2019-04-26 | 2019-04-26 | Road and bridge dotting device for municipal construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209975378U true CN209975378U (en) | 2020-01-21 |
Family
ID=69259831
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920588151.1U Expired - Fee Related CN209975378U (en) | 2019-04-26 | 2019-04-26 | Road and bridge dotting device for municipal construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209975378U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112045652A (en) * | 2020-08-31 | 2020-12-08 | 俞小芬 | Road and bridge is with device of dotting based on municipal building construction |
-
2019
- 2019-04-26 CN CN201920588151.1U patent/CN209975378U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112045652A (en) * | 2020-08-31 | 2020-12-08 | 俞小芬 | Road and bridge is with device of dotting based on municipal building construction |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200121 |