CN111081137A - Self-cleaning formula road sign for building site - Google Patents
Self-cleaning formula road sign for building site Download PDFInfo
- Publication number
- CN111081137A CN111081137A CN202010032165.2A CN202010032165A CN111081137A CN 111081137 A CN111081137 A CN 111081137A CN 202010032165 A CN202010032165 A CN 202010032165A CN 111081137 A CN111081137 A CN 111081137A
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- Prior art keywords
- cavity
- water storage
- sign
- side wall
- cleaning
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Links
- 238000004140 cleaning Methods 0.000 title claims abstract description 40
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 105
- 239000002184 metal Substances 0.000 claims abstract description 41
- 238000005507 spraying Methods 0.000 claims abstract description 17
- 238000010276 construction Methods 0.000 claims abstract description 11
- 238000009413 insulation Methods 0.000 claims abstract description 4
- 239000007921 spray Substances 0.000 claims description 17
- 239000012528 membrane Substances 0.000 claims description 10
- 238000007789 sealing Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 6
- 239000000428 dust Substances 0.000 description 12
- 230000029052 metamorphosis Effects 0.000 description 9
- 239000004566 building material Substances 0.000 description 5
- 239000000243 solution Substances 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- RSMUVYRMZCOLBH-UHFFFAOYSA-N metsulfuron methyl Chemical compound COC(=O)C1=CC=CC=C1S(=O)(=O)NC(=O)NC1=NC(C)=NC(OC)=N1 RSMUVYRMZCOLBH-UHFFFAOYSA-N 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000002277 temperature effect Effects 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F7/00—Signs, name or number plates, letters, numerals, or symbols; Panels or boards
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/10—Cleaning by methods involving the use of tools characterised by the type of cleaning tool
- B08B1/12—Brushes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/30—Cleaning by methods involving the use of tools by movement of cleaning members over a surface
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/02—Cleaning by the force of jets or sprays
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Cleaning Of Streets, Tracks, Or Beaches (AREA)
Abstract
The invention discloses a self-cleaning road sign for a construction site, which comprises a column rod and a sign fixedly connected to the side wall of the column rod, wherein a cavity is formed in the side wall of the column rod, a rain baffle is fixedly connected to the position, above the sign, of the side wall of the column rod, a spraying cavity communicated with the cavity is formed in the side wall of the rain baffle, and the lower end of each rain baffle is provided with a spraying opening communicated with the spraying cavity. According to the invention, by arranging the water storage mechanism, the speed bump, the sliding plug plate, the heat insulation plate and the thermal deformation metal, water in the water storage tank can be pumped into the water storage cavity for storage, and is sprayed out at a high speed to wash the surface of the sign, so that the automatic cleaning function of the sign is realized, and meanwhile, the surface of the sign which is just washed can be scrubbed by the state change of the thermal deformation metal, so that the cleaning effect is improved, a special person is not required to be arranged for cleaning, the danger is avoided, and the labor intensity of workers is also reduced.
Description
Technical Field
The invention relates to the technical field of building equipment, in particular to a self-cleaning road sign for a building site.
Background
The existing large project construction site usually spans a larger area so as to achieve the purposes of multi-point synchronous construction and project completion speed acceleration. The part of the area generally has a plurality of original roads or newly-built roads which are convenient for building material transportation, and the roads are provided with various road indicators for indicating the road conditions, so as to indicate the social vehicles to avoid the construction site for running, and simultaneously guide the building material transportation vehicles to run along the correct route, thereby ensuring that the building materials are timely transported to the required construction site.
Because neighbouring building site, the dust is heavier on the road, and when having big freight train to pass through at every time, the dust on the road can be raised in a large number, the very easy adhesion of the dust of raising is on the surface of road sign, shelter from the instruction content of sign, cause the driver of coming and going to be not convenient for acquire the road situation, not only can cause the road social vehicle mistake to break through the building site, cause unnecessary danger, still can cause building materials transport driver can't find the correct route, can not in time transport building materials to the required position.
The mode of present solution this problem is generally regularly arranged the special messenger to climb to on the stand pole of each road sign, the manual work is cleaned the surface of sign clearly, this kind of clean mode need climb to higher high cleanness, not only troublesome poeration, clean inefficiency, and the traffic flow is when big more, the frequency that the dust was raised on the road is higher, the speed of adhesion dust on the sign is just also faster this moment, cleanup crew's cleaning speed is more difficult to satisfy clean demand, and because the sign on the road is more, consequently, this mode still has the very big shortcoming of intensity of labour, the height of sign is higher simultaneously, consequently, cleanup crew is when cleaning, the danger of falling from the eminence exists.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a self-cleaning road sign for a construction site, which can utilize the self weight of an automobile to pump water in a water storage tank into a water storage cavity for storage by arranging a water storage mechanism, a deceleration strip, a sliding plug plate, a heat insulation plate and heat deformation metal, and spray the water at high speed to wash the surface of the sign after a certain number of automobiles pass through the deceleration strip, thereby realizing the automatic cleaning function of the sign.
In order to achieve the purpose, the invention adopts the following technical scheme:
a road sign for a self-cleaning type construction site comprises a column rod and a sign fixedly connected to the side wall of the column rod, wherein a cavity is formed in the side wall of the column rod, a rain baffle is fixedly connected to the position, above the sign, of the side wall of the column rod, a spray cavity communicated with the cavity is formed in the side wall of the rain baffle, spray openings communicated with the spray cavity are formed in the lower end of the rain baffle, a speed reducing belt is arranged on a road, a sliding cavity and a water storage cavity are respectively formed in the position, right below the speed reducing belt, of the road from top to bottom, a water storage groove is further formed in the road, a sliding plug plate is connected in a sealing and sliding mode in the sliding cavity, the sliding plug plate is elastically connected to the bottom in the sliding cavity through a plurality of uniformly distributed pressure springs, the speed reducing belt is fixedly connected with the sliding plug plate through a sliding rod penetrating into the sliding cavity, the sliding cavity is communicated with the water storage cavity, the sliding cavity, the water storage cavity is communicated with the cavity, a water storage mechanism is installed in the water storage cavity, and the water storage mechanism is used for storing water pressed into the water storage cavity by the sliding plug plate and extruding the water into the spraying cavity to be sprayed out at a certain pressure.
Preferably, the water storage mechanism includes that the sealed fixed connection of symmetry is at the elastic membrane of water storage intracavity wall and the sleeve of rotation connection in water storage intracavity bottom, sleeve female connection has the threaded rod, the upper end of threaded rod runs through to sliding chamber in and fixed connection at the lower extreme of sliding plug board, install the disc through one-way bearing on the sleeve, the disc is sealed with the intercommunication department of water storage chamber and cavity, just set up on the disc with intercommunication department complex through-hole.
Preferably, the position department that the lower extreme was pressed close to on the surface of sign is provided with thermal deformation metal, fixed connection is located on the sign surface in the middle of the thermal deformation metal, fixed mounting has the cleaning brush on the lateral wall of thermal deformation metal laminating sign, the parcel has the heated board on the inner wall in water storage chamber.
The invention has the following beneficial effects:
1. through the arrangement of the speed reducing belt, the sliding plug plate and the pressure spring, negative pressure can be generated in the sliding cavity when an automobile passes through the speed reducing belt, so that cleaning water in the water storage tank is pumped into the water storage cavity, and then is pumped into the spraying cavity after the automobile passes through the spraying cavity for many times, and is sprayed out from the spraying port to wash the surface of the sign, so that dust is removed, the self-cleaning function of the sign is realized, a specially-assigned person does not need to climb to the top of the upright post rod to manually clean the sign, the labor intensity of workers is reduced, and the falling danger is avoided;
2. the water storage mechanism is arranged, so that water can be stored in the water storage cavity and can form extrusion on the elastic film, when the passing frequency of the automobile reaches a certain value, the rotating frequency of the sleeve also reaches a certain value, the disc just rotates for half a circle, the communication part between the water storage cavity and the cavity is not sealed, and the cleaning water is sprayed out at a high speed under the action of the elasticity of the elastic film, so that the cleaning water sprayed on the indicator has certain impact force, and the cleaning effect is improved;
3. the spray opening is arranged to be inclined towards the surface of the indicator, so that the radial impact force of cleaning water on the surface of the indicator can be enhanced during spraying, and the cleaning effect is better;
4. when the traffic flow is large, the deceleration strip is applied with force at high frequency, the sliding plug plate moves up and down at high frequency, the water storage speed in the water storage cavity and the rotating speed of the disc are increased, and the communication frequency of the water storage cavity and the cavity is increased, so that the indicator can be washed and cleaned with high frequency, and the problem that the dust adhering speed on the indicator is higher when the traffic flow is larger can be effectively solved;
5. by arranging the thermal deformation metal, the temperature of the thermal deformation metal can be changed by utilizing the temperature of cleaning water during spraying, so that the thermal deformation metal is subjected to form change, and the cleaning brush on the side wall of the thermal deformation metal is driven to brush the indicator which is just washed, so that the cleaning effect is further improved, and dust on the surface of the indicator is thoroughly removed;
6. when the difference in temperature was great round the clock, the temperature on daytime and the temperature at night spanned the abnormal temperature of thermal deformation metal, and thermal deformation metal also can produce deformation several times by oneself in one day to the dust on sign surface is removed in the brush, thereby also can realize the self-cleaning function of sign in the less time quantum of vehicle flow.
Drawings
FIG. 1 is a schematic structural diagram of a self-cleaning road sign for construction sites according to the present invention;
FIG. 2 is an enlarged view of the structure at A in FIG. 1;
fig. 3 is a schematic structural view of embodiment 2.
In the figure: the device comprises a column rod 1, an indication plate 2, a cavity 3, a rain shield 4, a spray cavity 5, a spray port 6, a speed reducing belt 7, a slide rod 8, a slide cavity 9, a sliding plug plate 10, a pressure spring 11, a water storage cavity 12, an elastic film 13, a water storage tank 14, a water guide pipe 15, a first check valve 16, a threaded rod 17, a sleeve 18, a disc 19, a thermal deformation metal 20, a heat insulation plate 21, a through hole 22 and a second check valve 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.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1-2, a road sign for self-cleaning formula building site, including stand pole 1 and sign 2 of fixed connection at 1 lateral wall of stand pole, cavity 3 has been seted up in the lateral wall of stand pole 1, stand pole 1 lateral wall is located sign 2 top position department fixedly connected with weather shield 4, the chamber 5 that sprays that has seted up with 3 intercommunications of cavity in the 4 lateral walls of weather shield, 4 lower extremes of weather shield all are equipped with and spray the mouth 6 that sprays that 5 intercommunications in chamber, the slope of mouth 6 that sprays sets up, towards the surface of sign 2, can strengthen the radial impact force of water to sign 2 surfaces when spraying, make the cleaning performance better.
Be provided with deceleration strip 7 on the road, be located in the road and seted up smooth chamber 9 and water storage chamber 12 from last to down respectively in the position under deceleration strip 7, still seted up aqua storage tank 14 in the road, aqua storage tank 14 can collect the rainwater, perhaps manual injection washs water, and its open area is very little, and the water in aqua storage tank 14 hardly takes place heat exchange with the outside air, and because aqua storage tank 14 is in the ground bottom, therefore the temperature in aqua storage tank 14 keeps a constant value basically all the time.
The sliding cavity 9 is internally connected with a sliding plug plate 10 in a sealing and sliding manner, the sliding plug plate 10 is elastically connected to the bottom in the sliding cavity 9 through a plurality of uniformly distributed compression springs 11, the speed reducing belt 7 is fixedly connected with the sliding plug plate 10 through a sliding rod 8 penetrating into the sliding cavity 9, the sliding cavity 9 is communicated with a water storage cavity 12, a first one-way valve 16 only allowing air to flow from top to bottom is arranged at the communication position, the sliding cavity 9 is communicated with a water storage groove 14 through a water guide pipe 15, the water inlet end of the water guide pipe 15 is submerged below the liquid level, and a second one-way valve 23 only allowing water to flow from the water guide pipe 15 to the sliding cavity 9 is arranged at the communication position of the water guide pipe 15 and the sliding cavity 9.
The water storage cavity 12 is communicated with the cavity 3, a water storage mechanism is arranged in the water storage cavity 12, and the water storage mechanism is used for pressing the sliding plug plate 10 into water in the water storage cavity 12 for storage and extruding the sliding plug plate into the spraying cavity 5 under certain pressure for spraying.
The water storage mechanism comprises an elastic membrane 13 and a sleeve 18, wherein the elastic membrane 13 is symmetrically and fixedly connected between the inner walls of a water storage cavity 12, the sleeve 18 is rotatably connected to the bottom in the water storage cavity 12, a threaded rod 17 is connected to the inner thread of the sleeve 18, the upper end of the threaded rod 17 penetrates into a sliding cavity 9 and is fixedly connected to the lower end of a sliding plug plate 10, a disc 19 is installed on the sleeve 18 through a one-way bearing, the disc 19 seals the communication position between the water storage cavity 12 and a cavity, a through hole 22 matched with the communication position is formed in the disc 19, the through hole 22 is communicated with the communication position in an initial state, the disc 19 can be staggered when rotating by a certain angle, and the disc 19.
It should be noted that the two elastic membranes 13 are located at two sides of the communication position of the sliding cavity 9 and the water storage cavity 12, water pumped out by the sliding plug plate 10 can enter the position between the two elastic membranes 13, the elastic membranes 13 can deform to a large extent, and the elastic force for restoring the deformation after deformation is large enough, so that the water can be extruded at a large initial speed; the thread lead angle of the threaded rod 17 is larger than the equivalent friction angle of the thread pair of the threaded rod 17 and the sleeve 18, so that the threaded rod 17 can drive the sleeve 18 to rotate when moving up and down, and the one-way bearing is used for limiting the disc 19 to rotate only in one direction, namely when the threaded rod 17 moves down to drive the sleeve 18 to rotate forward, the disc 19 rotates along with the threaded rod 17, and when the threaded rod 17 moves up to drive the sleeve 18 to rotate reversely, the disc 19 does not rotate.
The pressure spring 11 is in a bounce state in a natural state, when a vehicle passes through and presses down the speed reducing belt 7, the speed reducing belt 7 exerts force on the sliding plug plate 10 through the action of the sliding rod 8, air in the sliding cavity 9 is squeezed into the water storage cavity 12, when the vehicle drives away, the pressure spring 11 recovers the original state and jacks up the sliding plug plate 10, negative pressure is formed in the sliding cavity 9, cleaning water in the water storage tank 14 is pumped into the sliding cavity 9, and when the vehicle passes through again next time, the sliding plug plate 10 moving downwards squeezes water into the water storage cavity 12.
Furthermore, each downward movement of the sliding plug plate 10 causes the threaded rod 17 to move downward, thereby driving the sleeve 18 to rotate a certain angle, and the disc 19 to rotate a certain angle accordingly.
When the number of times that the vehicle passed through the deceleration strip reached a definite value, the water that water storage chamber 12 was gone into to smooth stopper board 10 pump formed the extrusion to elastic membrane 13, make its deformation that takes place great degree, disc 19 just rotated a week under the drive of sleeve 18 simultaneously, water storage chamber 12 communicates with the intercommunication department and the through-hole 22 of cavity 3, disc 19 no longer is sealed to it, water in the water storage chamber 12 is crowded into in cavity 3 with great initial velocity under elastic action of elastic membrane 13, and the inflow sprays in the chamber 5, from spraying mouth 6 blowout, wash sign 2 surface, prevent sign 2 surface adhesion dust, shelter from the instruction content, be not convenient for the driver to obtain the road condition.
When the vehicle passes through the speed bump 7, the disc 19 rotates for a certain angle again, the communication part is sealed again, and the water storage mechanism starts the next water storage operation.
When the traffic flow is great, deceleration strip 7 is by the application of force of high frequency, and the reciprocating of sliding plug board 10 high-frequency, the water storage speed in the water storage chamber 12 and the slew velocity of disc 19 accelerate, and the intercommunication frequency of water storage chamber 12 and cavity 3 becomes fast, therefore sign 2 can obtain the washing cleanness of high-frequency, can effectively meet an emergency the big problem that the speed of adhesion dust is faster on sign 2.
Example 2
Referring to fig. 3, the difference from embodiment 1 is that: the position department that the lower extreme was pressed close to on the surface of sign 2 is provided with thermal deformation metal 20, and fixed connection is located on sign 2 surface in the centre of thermal deformation metal 20, and fixed mounting has the cleaning brush on the lateral wall of thermal deformation metal 20 laminating sign 2, and the parcel has heated board 21 on the inner wall in water storage chamber 12, and heated board 21 can further guarantee that the water in the water storage chamber 12 keeps at a comparatively invariable temperature, can not produce great change because of ambient temperature's influence.
Further, the metamorphosis temperature of the thermal deformation metal 20 is slightly less than the temperature of the cleaning water in the water storage tank 14, the thermal deformation metal 20 is processed into a shape with two ends bent upwards and gathered under the condition higher than the metamorphosis temperature, and is straightened into a long strip shape under the condition lower than the metamorphosis temperature, and the thermal deformation metal 20 is a thin and long sheet, when the temperature is higher in the daytime, the bent thermal deformation metal 20 cannot cause too much shielding on the sign 2, and the driver is not influenced to obtain the indication content.
When the external temperature is higher than the metamorphosis temperature of the thermal deformation metal 20, the thermal deformation metal 20 is in an initial state with two ends bent upwards, the thermal deformation metal 20 is longitudinally fixed on the surface of the indication board 2, when the spray opening 6 starts to spray water, the cleaning water is sprayed on the thermal deformation metal 20, the temperature of the heat-deformable metal 20 can be lowered to be only slightly higher than the metamorphosis temperature, then the water adhered on the heat-deformable metal 20 starts to evaporate to take away the surrounding heat, the temperature of the heat-deformable metal 20 is lowered again to be lower than the metamorphosis temperature, the heat-deformable metal 20 starts to change in shape suddenly, the two ends are straightened downwards, thereby driving the cleaning brush to brush the indicator 2 which is just cleaned, further improving the surface cleaning effect of the indicator 2, after a period of time, the thermal deformation metal 20 deforms again under the action of the external temperature and restores to the initial state, so that the cleaning brush is driven to clean the surface of the indication board 2 once again;
when ambient temperature is less than thermal deformation metal 20's metamorphosis temperature, thermal deformation metal 20 is in the state of flare-outing, thermal deformation metal 20 transversely fixes on sign 2 surface this moment, when spraying 6 when beginning to spray water, the washing water sprays on thermal deformation metal 20, can raise the temperature of thermal deformation metal 20, make it be a little more than metamorphosis temperature, thermal deformation metal 20 resumes initial state, both ends are upwards buckled, thereby it scrubs to drive the cleaning brush to sign 2 that have just been washd, further promote clean effect, after a period, thermal deformation metal 20 takes place to warp under the ambient temperature effect once more, become rectangular state, thereby it is once more clean to sign 2 surfaces to drive the cleaning brush.
When the temperature difference is great day and night, the temperature of daytime and the temperature at night span the metamorphosis temperature of the thermal deformation metal 20, and then the thermal deformation metal can also produce deformation several times by oneself in one day to brush off the dust on the surface of the sign 2.
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 (3)
1. A road sign for a self-cleaning type construction site comprises a column rod (1) and a sign (2) fixedly connected to the side wall of the column rod (1), and is characterized in that a cavity (3) is formed in the side wall of the column rod (1), a rain baffle (4) is fixedly connected to the position, above the sign (2), of the side wall of the column rod (1), a spraying cavity (5) communicated with the cavity (3) is formed in the side wall of the rain baffle (4), spraying openings (6) communicated with the spraying cavity (5) are formed in the lower end of the rain baffle (4), a speed reducing belt (7) is arranged on a road, a sliding cavity (9) and a water storage cavity (12) are respectively formed in the position, under the speed reducing belt (7), of the road, a water storage groove (14) is formed in the road, and a sliding plug plate (10) is connected in the sliding cavity (9) in a sealing and sliding manner, sliding plug board (10) are on smooth chamber (9) bottom through pressure spring (11) elastic connection of a plurality of equipartitions, deceleration strip (7) through slide bar (8) and sliding plug board (10) fixed connection that run through to in smooth chamber (9), smooth chamber (9) and water storage chamber (12) intercommunication, smooth chamber (9) are through aqueduct (15) and aqua storage tank (14) intercommunication, water storage chamber (12) and cavity (3) intercommunication, install in water storage chamber (12) and be used for water storage mechanism, water storage mechanism is used for pressing sliding plug board (10) the water storage of impressing in water storage chamber (12) and extrudes it with certain pressure and sprays and spout in chamber (5).
2. The self-cleaning road sign for the construction site according to claim 1, wherein the water storage mechanism comprises an elastic membrane (13) and a sleeve (18), the elastic membrane is symmetrically and fixedly connected between the inner walls of the water storage cavity (12) and the sleeve (18) is rotatably connected to the bottom in the water storage cavity (12), a threaded rod (17) is connected to the inner thread of the sleeve (18), the upper end of the threaded rod (17) penetrates into the sliding cavity (9) and is fixedly connected to the lower end of the sliding plug plate (10), a disc (19) is installed on the sleeve (18) through a one-way bearing, the disc (19) seals the communication between the water storage cavity (12) and the cavity, and a through hole (22) matched with the communication is formed in the disc (19).
3. The self-cleaning road sign for the construction site as claimed in claim 1, wherein a thermal deformation metal (20) is arranged on the surface of the sign (2) close to the lower end, the middle of the thermal deformation metal (20) is fixedly connected to the surface of the sign (2), a cleaning brush is fixedly mounted on the side wall of the thermal deformation metal (20) attached to the sign (2), and an insulation board (21) is wrapped on the inner wall of the water storage cavity (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010032165.2A CN111081137A (en) | 2020-01-13 | 2020-01-13 | Self-cleaning formula road sign for building site |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010032165.2A CN111081137A (en) | 2020-01-13 | 2020-01-13 | Self-cleaning formula road sign for building site |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111081137A true CN111081137A (en) | 2020-04-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010032165.2A Pending CN111081137A (en) | 2020-01-13 | 2020-01-13 | Self-cleaning formula road sign for building site |
Country Status (1)
| Country | Link |
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| CN (1) | CN111081137A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111543291A (en) * | 2020-06-08 | 2020-08-18 | 侯儒仪 | Automatic watering device is used to big data of agricultural |
| CN111622038A (en) * | 2020-06-12 | 2020-09-04 | 贝晶晶 | Building bridge road surface cleaning equipment |
| CN112863325A (en) * | 2021-01-26 | 2021-05-28 | 山东工业职业学院 | Traffic information sign based on big data |
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Application publication date: 20200428 |