CN112323671A - Road erection engineering uses intelligent warning sign - Google Patents
Road erection engineering uses intelligent warning sign Download PDFInfo
- Publication number
- CN112323671A CN112323671A CN202011183727.XA CN202011183727A CN112323671A CN 112323671 A CN112323671 A CN 112323671A CN 202011183727 A CN202011183727 A CN 202011183727A CN 112323671 A CN112323671 A CN 112323671A
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- display screen
- threaded
- clamping
- plate
- Prior art date
- 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.)
- Withdrawn
Links
- 238000009434 installation Methods 0.000 claims abstract description 19
- 238000001514 detection method Methods 0.000 claims description 23
- 239000000428 dust Substances 0.000 claims description 22
- 238000011156 evaluation Methods 0.000 claims description 19
- 244000309464 bull Species 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 13
- 239000002184 metal Substances 0.000 claims description 10
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 9
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 9
- 241001330002 Bambuseae Species 0.000 claims description 9
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 9
- 239000011425 bamboo Substances 0.000 claims description 9
- 230000005484 gravity Effects 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 5
- 230000001133 acceleration Effects 0.000 claims description 3
- 239000003381 stabilizer Substances 0.000 description 8
- 230000000087 stabilizing effect Effects 0.000 description 7
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000002146 bilateral effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 244000144972 livestock Species 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F9/00—Arrangement of road signs or traffic signals; Arrangements for enforcing caution
- E01F9/60—Upright bodies, e.g. marker posts or bollards; Supports for road signs
- E01F9/604—Upright bodies, e.g. marker posts or bollards; Supports for road signs specially adapted for particular signalling purposes, e.g. for indicating curves, road works or pedestrian crossings
- E01F9/608—Upright bodies, e.g. marker posts or bollards; Supports for road signs specially adapted for particular signalling purposes, e.g. for indicating curves, road works or pedestrian crossings for guiding, warning or controlling traffic, e.g. delineator posts or milestones
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F9/00—Arrangement of road signs or traffic signals; Arrangements for enforcing caution
- E01F9/60—Upright bodies, e.g. marker posts or bollards; Supports for road signs
- E01F9/604—Upright bodies, e.g. marker posts or bollards; Supports for road signs specially adapted for particular signalling purposes, e.g. for indicating curves, road works or pedestrian crossings
- E01F9/615—Upright bodies, e.g. marker posts or bollards; Supports for road signs specially adapted for particular signalling purposes, e.g. for indicating curves, road works or pedestrian crossings illuminated
- E01F9/617—Illuminated or wired-up posts, bollards, pillars or like upstanding bodies or structures for traffic guidance, warning or control
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F9/00—Arrangement of road signs or traffic signals; Arrangements for enforcing caution
- E01F9/60—Upright bodies, e.g. marker posts or bollards; Supports for road signs
- E01F9/623—Upright bodies, e.g. marker posts or bollards; Supports for road signs characterised by form or by structural features, e.g. for enabling displacement or deflection
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F9/00—Arrangement of road signs or traffic signals; Arrangements for enforcing caution
- E01F9/60—Upright bodies, e.g. marker posts or bollards; Supports for road signs
- E01F9/623—Upright bodies, e.g. marker posts or bollards; Supports for road signs characterised by form or by structural features, e.g. for enabling displacement or deflection
- E01F9/646—Upright bodies, e.g. marker posts or bollards; Supports for road signs characterised by form or by structural features, e.g. for enabling displacement or deflection extensible, collapsible or pivotable
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F9/00—Arrangement of road signs or traffic signals; Arrangements for enforcing caution
- E01F9/60—Upright bodies, e.g. marker posts or bollards; Supports for road signs
- E01F9/688—Free-standing bodies
- E01F9/692—Portable base members therefor
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Road Signs Or Road Markings (AREA)
Abstract
The invention discloses an intelligent warning board for road installation engineering, which comprises a base, wherein the top of the base is movably connected with a threaded cylinder, the inner part of the threaded cylinder is in threaded connection with a first threaded rod, the top of the first threaded rod is fixedly connected with a box body, the inner side wall of the box body is movably connected with a second threaded rod, one end of the second connecting rod is fixedly connected with a hairbrush, the top of the box body is fixedly connected with a first fixing rod, the top of the first fixing rod is fixedly connected with a rain baffle, and two sides of the base are fixedly connected with fixing plates. According to the invention, through the arrangement of the threaded barrel, a worker can conveniently use the threaded barrel according to the actual situation, through the arrangement of the second threaded rod, the worker can conveniently clean the display screen, through the arrangement of the rain baffle plate, the damage of rainwater to electronic elements in the equipment in rainy days can be prevented, and through the arrangement of the fixing plate, the stability of the equipment can be improved.
Description
Technical Field
The invention relates to the technical field of road installation engineering equipment, in particular to an intelligent warning board for road installation engineering.
Background
Road engineering refers to an applied science and technology for planning, surveying, designing, constructing and maintaining roads, and is a branch of civil engineering, roads are generally called roads for passing various motor vehicles, man-power vehicles, riding livestock and pedestrians for land transportation, and are divided into urban roads, highways, factory roads, rural roads, forest roads and the like according to use properties, urban highways and expressways are special roads for automobiles with controlled traffic and high-speed running, and construction personnel often place some warning signs during construction for warning pedestrians and vehicles.
The design of current warning sign is all too crude, and is inconvenient to clean the screen, can not adjust the height of screen moreover, can't satisfy modern engineering personnel's demand, reduces work efficiency, therefore we need a road erection engineering and use intelligent warning sign.
Disclosure of Invention
The invention aims to provide an intelligent warning board for road installation engineering to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a road erection engineering uses intelligent warning sign, includes the base, the top swing joint of base has a screw thread section of thick bamboo, the inside threaded connection of a screw thread section of thick bamboo has first threaded rod, the top fixedly connected with box of first threaded rod, the inside wall swing joint of box has the second threaded rod, the surface threaded connection of second threaded rod has the movable block, one side fixedly connected with second connecting rod of movable block, the one end fixedly connected with brush of second connecting rod, the first dead lever of top fixedly connected with of box, the top fixedly connected with weather shield of first dead lever, the equal fixedly connected with fixed plate in both sides of base.
Preferably, the bottom fixedly connected with first gear of a screw thread section of thick bamboo, one side swing joint second gear of first gear, one side fixedly connected with head rod of second gear, the first bull stick of one end fixedly connected with of head rod, the first motor of one end fixedly connected with of first bull stick, the fixed orifices has been seted up to the inside of fixed plate, the quantity of fixed orifices is two sets of, and is a set of the quantity of fixed orifices is four, the size phase-match of a screw thread section of thick bamboo and first threaded rod.
Preferably, the other end fixedly connected with third gear of second threaded rod, the bottom swing joint of third gear has the fourth gear, one side swing joint of fourth gear has the fifth gear, the bottom fixedly connected with third connecting rod of fifth gear, the one end fixedly connected with second bull stick of third connecting rod, the one end fixedly connected with second motor of second bull stick, the equal fixedly connected with rubber pad in bottom of first motor and second motor, the material of rubber pad is rubber.
Preferably, the first fixed block of one side fixedly connected with of box, the top fixedly connected with siren of first fixed block, the opposite side fixedly connected with second fixed block of box, the top fixedly connected with warning light of second fixed block, the inside of warning light is including fourth connecting rod, green pilot lamp, yellow pilot lamp and red pilot lamp, the bottom fixedly connected with fourth connecting rod of warning light, the green pilot lamp of top fixedly connected with of fourth connecting rod, the yellow pilot lamp of top fixedly connected with of green pilot lamp, the red pilot lamp of top fixedly connected with of yellow pilot lamp.
Preferably, one side of the top of the box body, which is far away from the first fixing rod, is fixedly connected with a second fixing rod, and the top of the second fixing rod is fixedly connected with a camera.
Preferably, one side of the top of the box body, which is far away from the camera, is fixedly connected with a reflector, and the front of the reflector is provided with reflective stripes.
Preferably, the front face of the box body is fixedly connected with a display screen, and the inner bottom wall of the box body is fixedly connected with a storage battery.
Preferably, the device further comprises a mobile stabilizing device, wherein the mobile stabilizing device comprises:
vertical plate: the vertical plate is divided into a vertical part and a horizontal part, the vertical part is in threaded connection with a cylinder bottom plate, the cylinder bottom plate is fixedly connected with a cylinder, a cylinder is fixedly sleeved on the cylinder, a fixed sleeve is in pin connection with the extending end of the cylinder, and two hinge supports are arranged at the upper end and the lower end of the fixed sleeve;
two connection arc plates: the two connecting arc plates are symmetrically arranged along the axis of the cylinder, one ends of the two connecting arc plates are fixedly connected with a first clamping plate, a fixing pin is arranged in the middle of the connecting arc plates, and fixing blocks are symmetrically and fixedly arranged at the upper and lower parts of the left end of the first clamping plate;
a clamping piece: the clamping pieces are uniformly arranged on the end face of the right side of the first clamping plate at intervals and are divided into a clamping shaft, a clamping spring and a clamping plate II, the left side end of the clamping shaft is fixedly connected with the first clamping plate, the clamping shaft is symmetrically and rotatably arranged on the cambered surface far away from the first clamping plate along the axis, the bottom end of the clamping plate II is fixedly connected with one end of the clamping spring, and the other end of the clamping spring is fixedly arranged on the cambered surface close to the first clamping plate;
a slide plate, the slide plate being divided into: the first part of the sliding plate is rotatably connected with the fixed block, the second part of the sliding plate is provided with a sliding groove, the sliding groove is slidably connected with the fixed pin, and one end, far away from the first part, of the second part of the sliding plate is rotatably connected with the hinge base;
the upper end surface of the horizontal part is uniformly provided with threaded holes, the threaded holes and the fixing holes are correspondingly arranged, the horizontal part is in threaded connection with the base through the fixing holes, four through holes are uniformly distributed on the upper end surface of the horizontal part close to two side ends in the circumferential direction, four grooves are uniformly distributed on the lower end surface of the horizontal part in the circumferential direction, and the grooves are communicated with the through holes; springs are symmetrically arranged on the left inner wall and the right inner wall of the groove and are fixedly connected with the clamping blocks;
the hydraulic cylinder is fixed on the upper end surface of the horizontal part and is arranged corresponding to the through hole, the output end of the hydraulic cylinder penetrates through the through hole to be fixedly connected with the wheel seat, clamping grooves are symmetrically formed in the left side and the right side of the wheel seat, the wheel seat is connected with the metal wheel in a rotating mode, and the metal wheel is arranged inside the groove.
Preferably, the method further comprises the following steps:
a wind speed sensor: the wind speed sensor is arranged on the surface of the display screen and used for detecting the wind speed on the surface of the display screen;
a temperature sensor: the temperature sensor is arranged on the surface of the display screen and used for detecting the temperature value on the surface of the display screen;
a weight sensor: the weight measuring layer is arranged in a blank area on the surface of the display screen, and the weight sensor is arranged inside the weight measuring layer and used for detecting the weight of dust on the surface of the weight measuring layer;
an alarm device: the alarm is arranged on the surface of the box body;
a controller: the controller is electrically connected with the wind speed sensor, the temperature sensor, the weight sensor and the alarm;
the controller controls the alarm to work based on the wind speed sensor, the temperature sensor and the weight sensor, and the method comprises the following steps:
step 1: the controller calculates the weight of dust attached to the display screen 16 according to the detection value of the wind speed sensor, the average detection value of the temperature sensor, the detection value of the weight sensor and a formula (1);
wherein G is the dust mass attached to the display screen, n is the detection frequency of the wind speed sensor, and ViIs the ith detection value of the wind speed sensor, m is the detection value of the weight sensor, rho is the dust concentration in the air, rho1Air density, g is gravity acceleration, and the value is 9.8m/s2S is the surface area of the display screen, T is the average detection value of the temperature sensor, T1The temperature is 15 ℃ in a standard state, and kappa is the air gravity in the standard state;
step 2: the controller calculates an alarm evaluation value according to the dust weight value attached to the display screen calculated in the step 1 and a formula (2), compares the alarm evaluation value with a preset alarm evaluation reference value, and controls the alarm to alarm when the alarm evaluation value is larger than the preset alarm evaluation reference value;
wherein A is an alarm evaluation value, b is the detection frequency of the temperature sensor, and TaThe measured value of the temperature sensor at the a-th time is tan, cot is cotangent,
the angle of inclination of the display screen to the vertical plane.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, through the arrangement of the threaded barrel, the threaded barrel can be rotated, so that the first threaded rod drives the box body to move up and down, the height of the equipment can be conveniently adjusted, workers can conveniently use the equipment according to actual conditions, and the use efficiency of the equipment is improved.
2. According to the invention, through the arrangement of the second threaded rod, the moving block can be driven, so that the second connecting rod 7 simultaneously drives the hairbrush to move, a worker can conveniently clean the display screen, the display screen is prevented from generating dust in the long-time placing process, and the working efficiency of the worker is improved.
3. According to the invention, through the arrangement of the rain baffle, the damage of rainwater to electronic elements in the equipment in rainy weather can be prevented, and meanwhile, the equipment can be prevented from being exposed to the sun in hot weather, so that the practicability of the equipment is improved, and the service life of the equipment is prolonged.
4. According to the invention, through the arrangement of the fixing plate, a worker can conveniently fix the equipment, the stability of the equipment is improved, the equipment is prevented from being damaged due to shaking in the placing process, and the increase of the cost is reduced.
5. According to the invention, through the arrangement of the mobile stabilizing device, the box body can be more stable, the equipment is more stable, the clamping piece is arranged on the mobile stabilizing device, the clamping piece can be flexibly clamped and separated with the box body, the flexibility of the device is improved, the metal wheel is arranged at the lower end of the mobile stabilizing device, the equipment is conveniently moved, manpower and material resources are saved, and the flexibility of the equipment is improved.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic cross-sectional front view of the present invention;
FIG. 3 is a schematic side view of the present invention;
FIG. 4 is a schematic view of the third and fourth gears of the present invention;
FIG. 5 is a schematic structural view of a base according to the present invention;
FIG. 6 is a schematic top view of the mobile stabilizer of the present invention;
FIG. 7 is a schematic front view of the movable stabilizer of the present invention;
FIG. 8 is a schematic view of a slider structure of the mobile stabilizer of the present invention;
FIG. 9 is a schematic view of a clip member of the mobile stabilizer of the present invention;
FIG. 10 is a schematic view of the internal structure of the recess of the mobile stabilizer of the present invention.
In the figure: 1. a base; 2. a threaded barrel; 3. a first threaded rod; 4. a box body; 5. a second threaded rod; 6. a moving block; 7. a second connecting rod; 8. a brush; 9. a storage battery; 10. a first fixing lever; 11. a rain shield; 12. a fixing plate; 13. a first gear; 14. a second gear; 15. a first connecting rod; 16. a display screen; 17. a first rotating lever; 18. a first motor; 19. a fixing hole; 20. a third gear; 21. a fourth gear; 22. a fifth gear; 23. a third connecting rod; 24. a second rotating rod; 25. a second motor; 26. a rubber pad; 27. a first fixed block; 28. an alarm; 29. a second fixed block; 30. a warning light; 31. a second fixing bar; 32. a camera; 33. a reflector; 34. a vertical plate; 3401. a vertical portion; 3402. a horizontal portion; 35. a cylinder; 3501. a cylinder bottom plate; 3502. an extension end; 36. a cylinder; 37. connecting the arc plates; 3701. a fixing pin; 38. a slide plate; 3801. a first portion; 3802. a second portion, 3803, a chute; 39. a fixed block; 40. a first clamping plate; 41. a clamping piece; 4101. a clamp shaft 4102, a spring; 4103. a second clamping plate; 42. fixing a sleeve; 43. a supporting hinge seat; 44. a hydraulic cylinder; 4401. an output end; 45. a groove; 46. a threaded hole; 47. a through hole; 48. a spring; 49. a clamping block; 50. a wheel seat; 5001. a card slot; 51. a metal wheel.
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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-5, an embodiment of the present invention is shown: an intelligent warning board for road installation engineering comprises a base 1, wherein the top of the base 1 is movably connected with a threaded cylinder 2, the inner part of the threaded cylinder 2 is in threaded connection with a first threaded rod 3, the threaded cylinder 2 can be rotated to drive a box body 4 to move up and down through the arrangement of the threaded cylinder 2, the height of equipment can be conveniently adjusted, workers can conveniently use the intelligent warning board according to actual conditions, the use efficiency of the equipment is improved, the top of the first threaded rod 3 is fixedly connected with the box body 4, the inner side wall of the box body 4 is movably connected with a second threaded rod 5, the outer surface of the second threaded rod 5 is in threaded connection with a movable block 6, one side of the movable block 6 is fixedly connected with a second connecting rod 7, one end of the second connecting rod 7 is fixedly connected with a hairbrush 8, the movable block 6 can be driven through the arrangement of the second threaded rod 5, and the second connecting rod 7, can make things convenient for the workman to clean display screen 16, prevent that display screen 16 from producing the dust at long-time place the in-process, improve workman's work efficiency, the first dead lever 10 of top fixedly connected with of box 4, the top fixedly connected with weather shield 11 of first dead lever 10, through the setting of weather shield 11, can prevent in rainy weather, the damage that the rainwater caused to the inside electronic component of equipment, and simultaneously, can be under hot weather, prevent equipment insolate in the sun, improve equipment's practicality, increase equipment's life, the equal fixedly connected with fixed plate 12 in both sides of base 1, setting through fixed plate 12, can make the workman conveniently fix equipment, improve equipment's stability, prevent to take place to rock at the in-process of placing, cause the damage to equipment, reduce the increase of cost.
Further, the bottom fixedly connected with first gear 13 of a screw thread section of thick bamboo 2, one side swing joint second gear 14 of first gear 13, one side fixedly connected with head rod 15 of second gear 14, the one end fixedly connected with first bull stick 17 of head rod 15, the one end fixedly connected with first motor 18 of first bull stick 17, fixed orifices 19 have been seted up to the inside of fixed plate 12, the quantity of fixed orifices 19 is two sets of, the quantity of a set of fixed orifices 19 is four, the size phase-match of a screw thread section of thick bamboo 2 and first threaded rod 3, through the setting of first motor 18, can make first bull stick 17 drive head rod 15, make second gear 14 drive first gear 13, can make screw thread section of thick bamboo 2 rotate, through the setting of fixed orifices 19, can make the workman conveniently fix base 1.
Further, the other end fixedly connected with third gear 20 of second threaded rod 5, the bottom swing joint of third gear 20 has fourth gear 21, one side swing joint of fourth gear 21 has fifth gear 22, the bottom fixedly connected with third connecting rod 23 of fifth gear 22, the one end fixedly connected with second bull stick 24 of third connecting rod 23, the one end fixedly connected with second motor 25 of second bull stick 24, the equal fixedly connected with rubber pad 26 in bottom of first motor 18 and second motor 25, the material of rubber pad 26 is rubber, setting through second motor 25 can make second bull stick 24 drive third connecting rod 23, make fifth gear 22 can drive fourth gear 21 and third gear 20 and rotate, make second threaded rod 5 rotate simultaneously.
Further, a first fixed block 27 is fixedly connected to one side of the box body 4, an alarm 28 is fixedly connected to the top of the first fixed block 27, a second fixed block 29 is fixedly connected to the other side of the box body 4, a warning lamp 30 is fixedly connected to the top of the second fixed block 29, a fourth connecting rod, a green indicator lamp, a yellow indicator lamp and a red indicator lamp are arranged inside the warning lamp 30, a fourth connecting rod is fixedly connected to the bottom of the warning lamp 30, a green indicator lamp is fixedly connected to the top of the fourth connecting rod, a yellow indicator lamp is fixedly connected to the top of the green indicator lamp, a red indicator lamp is fixedly connected to the top of the yellow indicator lamp, through the arrangement of the alarm 28, a pedestrian can be reminded in a sound mode, the vigilance of people is improved, the use efficiency of equipment is improved, through the arrangement of the warning lamp 30, the pedestrian can be indicated, and the, the use of the worker is convenient.
Further, one side fixedly connected with second dead lever 31 of first dead lever 10 is kept away from at the top of box 4, and the top fixedly connected with camera 32 of second dead lever 31 through the setting of camera 32, can take notes and observe passing vehicle, improve equipment's work efficiency.
Further, camera 32's one side fixedly connected with reflector panel 33 is kept away from at the top of box 4, and the front of reflector panel 33 is provided with reflection of light stripe, through the setting of reflector panel 33, can more effectually remind people on the road, improve equipment's practicality.
Further, the front fixedly connected with display screen 16 of box 4, inner diapire fixedly connected with battery 9 of box 4, through the setting of display screen 16, can make the workman conveniently change the content of warning on the display screen 16 according to the different situations, through the setting of battery 9, can make the device also can work under the condition of having a power failure, improve work efficiency.
The working principle is as follows: the first threaded rod 3 can drive the box body 4 to move up and down through the rotation of the threaded barrel 2, the height of the equipment can be conveniently adjusted, a worker can conveniently use the equipment according to the actual situation, the use efficiency of the equipment is improved, the second threaded rod 5 can drive the moving block 6 to drive the brush 8 to move simultaneously, the display screen 16 can be conveniently cleaned by the worker, the display screen 16 is prevented from generating dust in the long-time placing process, the work efficiency of the worker is improved, the damage of rainwater to electronic components in the equipment in rainy weather can be prevented through the arrangement of the rain baffle plate 11, meanwhile, the equipment can be prevented from being exposed to the sun in hot weather, the practicability of the equipment is improved, the service life of the equipment is prolonged, and through the arrangement of the fixing plate 12, can make the worker conveniently fix the equipment, improve the stability of the equipment, prevent shaking in the placing process and damage the equipment, reduce the increase of the cost, can make the first rotating rod 17 drive the first connecting rod 15 through the arrangement of the first motor 18, make the second gear 14 drive the first gear 13, can make the threaded cylinder 2 rotate, can make the worker conveniently fix the base 1 through the arrangement of the fixing hole 19, can make the second rotating rod 24 drive the third connecting rod 23 through the arrangement of the second motor 25, make the fifth gear 22 drive the fourth gear 21 and the third gear 20 to rotate, simultaneously make the second threaded rod 5 rotate, can remind the pedestrian by the sound through the arrangement of the alarm 28, improve the vigilance of people, improve the use efficiency of the equipment, can indicate the pedestrian through the arrangement of the warning light 30, improve equipment's work efficiency, make things convenient for the workman to use, setting through camera 32 can take notes and observe passing vehicle, improve equipment's work efficiency, setting through reflector panel 33, can be more effectual remind people on the road, improve equipment's practicality, setting through display screen 16 can make the workman conveniently change the warning content on the display screen 16 according to the different situations, setting through battery 9 can make the device also can work under the condition that has a power failure, improve work efficiency.
In one embodiment, as shown in fig. 6-9, further comprising a mobile stabilizer, said mobile stabilizer being screwed with said base 1, said mobile stabilizer comprising:
vertical plate 34: the vertical plate 34 is divided into a vertical part 3401 and a horizontal part 3402, the vertical part 3401 is in threaded connection with a cylinder bottom plate 3501, the cylinder bottom plate 3501 is fixedly connected with a cylinder 35, a cylinder 36 is fixedly sleeved on the cylinder 35, a fixed sleeve 42 is in pin connection with an extending end 3502 of the cylinder 35, and two supporting hinge seats 43 are arranged at the upper end and the lower end of the fixed sleeve 42;
two connecting arc plates 37: the two connecting arc plates 37 are symmetrically arranged along the axis of the cylinder 36, one end of each connecting arc plate 37 is fixedly connected with the cylinder 36, the other end of each connecting arc plate 37 is fixedly connected with a first clamping plate 40, the middle part of each connecting arc plate is provided with a fixing pin 3701, and the left end of each first clamping plate 40 is vertically and symmetrically fixedly provided with fixing blocks 39; three clamping pieces 41 are uniformly arranged on the end face of the right side of the first clamping plate 40 at intervals;
the clip member 41: the clamping pieces 41 are uniformly arranged on the right side end face of the first clamping plate 40 at intervals, each clamping piece 41 is divided into a clamping shaft 4101, a clamping spring 4102 and a second clamping plate 4103, the left side end of the clamping shaft 4101 is fixedly connected with the first clamping plate 40, the clamping shaft 4101 is symmetrically and rotatably arranged on the arc face far away from the first clamping plate 40 along the axis, the second clamping plate 4103 is arranged at the bottom end of the second clamping plate 4103 and is fixedly connected with one end of the clamping spring 4102, and the other end of the clamping spring 4102 is fixedly arranged on the arc face close to the first clamping plate 40;
a slide plate 38, the slide plate 38 is divided into: the first part 3801 and the second part 3802 are connected in sequence, the first part 3801 of the sliding plate 38 is rotatably connected with the fixed block 39, the second part 3802 of the sliding plate 38 is provided with a sliding groove 3803, the sliding groove 3803 is slidably connected with the fixed pin 3801, and one end, away from the first part 3801, of the second part 3803 of the sliding plate 38 is rotatably connected with the supporting hinge seat 43;
the upper end face of the horizontal part 3402 is uniformly provided with threaded holes 46, the threaded holes 46 are arranged corresponding to the fixing holes 19, the horizontal part 3402 is in threaded connection with the base 1 through the fixing holes 19, four through holes 47 are circumferentially and uniformly distributed on the upper end face of the horizontal part 3402 close to two side ends, four grooves 45 are circumferentially and uniformly distributed on the lower end face of the horizontal part 3402, and the grooves 45 are communicated with the through holes 47; springs 48 are symmetrically arranged on the left inner wall and the right inner wall of the groove 45, and the springs 48 are fixedly connected with clamping blocks 49;
The working principle and the beneficial effects of the technical scheme are as follows:
when the intelligent warning board for road installation engineering is used, a horizontal part 3402 of a vertical plate 34 is in threaded connection with a base 1 through a fixing hole 19, so that the intelligent warning board for road installation engineering is fixed with a mobile stabilizing device, then an air cylinder 35 is started, a cylinder 36 is fixedly sleeved on the air cylinder 35, a connecting arc plate 37 is symmetrically and fixedly connected along the axis of the cylinder 36, a fixing pin 3701 is arranged in the middle of the connecting arc plate, an output end 3501 of the air cylinder 35 contracts to drive a fixing sleeve 42 to move leftwards, a sliding block 38 rotationally connected with the fixing sleeve 42 rotates rightwards, a second part 3802 of the sliding plate 38 is provided with a sliding groove 3803, the sliding groove 3803 is in sliding connection with the fixing pin 3801, so that the sliding plate 38 is more stable and smooth in rotation, the sliding block 38 rotates rightwards to drive a fixing block 39 rotationally connected with the sliding block 38 to move rightwards, the clamp shaft 4101 in the clamp piece 41 extends into the box body 4, the second clamp plate 4103 rotates leftwards in the extending process, so that the spring 4102 is compressed, after the spring 4103 extends into the box body 4, under the elastic action of the spring 4102, the second clamp plate 4103 returns to the original position, so that the clamp piece 41 is clamped with the box body 4, the box body 4 is clamped and fixed with the mobile fixing device, the stability of the box body 4 is kept, the display screen 16 fixed with the box body 4 can run more stably under the conditions of severe weather and the like, a certain protection effect is exerted on the display screen 16, four grooves 45 are uniformly distributed on the lower end face of the horizontal part 3402 of the vertical plate 34 in the circumferential direction, the grooves 45 are communicated with through holes 47, the hydraulic cylinder 44 is arranged on the upper end face of the horizontal part 3402 corresponding to the through holes 47, the output end 4401 of the hydraulic cylinder 44 passes through the through holes 47 to be fixedly connected with the wheel seat 50, the wheel seat 50 is, the extending end 4401 of the hydraulic cylinder 44 moves downwards to drive the wheel seat 50 to move downwards, the clamping blocks 49 on the left and right inner walls of the groove 45 are pressed inwards by the wheel seat 50, the spring 48 fixedly connected with the clamping blocks 49 is pressed inwards, the clamping grooves 5001 on the left and right sides of the wheel seat 50 are contacted with the clamping blocks 49, the clamping grooves 5001 are clamped with the clamping blocks 49 under the elastic action of the spring 48, the clamping blocks 49 are arranged into a triangular shape, the wheel seat 50 can more easily press the clamping blocks 49 to prevent the clamping from being dead, the metal wheels 51 rotatably connected with the wheel seat 50 extend out of the groove 45 to push the movable fixing device, the intelligent warning board for road installation engineering can be conveyed to a working place, the intelligent warning board is flexible and convenient, manpower and material resources are saved, the probability of damage of the warning board caused by shaking in the transportation process is reduced, when the box body 4 needs to be disassembled, the air cylinder 35 works in a reverse direction, the output end 3501 extends out, the fixed block 39 which is rotationally connected with the fixed block is driven to move leftwards, the first clamping plate 40 is pulled to move leftwards, the clamping piece 41 is driven to move leftwards, the clamping shaft 4101 in the clamping piece 41 leaves the box body 4, the second clamping plate 4103 rotates rightwards in the leaving process, so that the spring 4102 is stretched, after the spring 4102 leaves the box body 4, under the elastic action of the spring 4102, the second clamping plate 4103 is restored to the original position, so that the box body 4 is separated from the mobile stabilizing device, after the destination is reached, if the working place is in bad condition, the intelligent warning board for road installation engineering can not be fixed, the hydraulic cylinder 44 is started to change the moving direction, so that pneumatic cylinder 44 stretches out end 4401 upward movement for inside metal wheel 51 moved recess 45, the horizontal part 3402 of vertical plate 34 became the base, had reduced the focus of road installation engineering with intelligent warning sign, increased road installation engineering with intelligent warning sign's stability, makeed the removal securing device suitability more extensive.
In one embodiment, further comprising:
a wind speed sensor: the wind speed sensor is arranged on the surface of the display screen 16 and used for detecting the wind speed on the surface of the display screen 16;
a temperature sensor: the temperature sensor is arranged on the surface of the display screen 16 and is used for detecting the temperature value on the surface of the display screen 16;
a weight sensor: a weight measuring layer is arranged in a blank area (specifically, the peripheral edge part of the surface of the display screen) on the surface of the display screen 16, and the weight sensor is arranged in the weight measuring layer and used for detecting the dust weight on the surface of the weight measuring layer;
an alarm device: the alarm is arranged on the surface of the box body 4;
a controller: the controller is electrically connected with the wind speed sensor, the temperature sensor, the weight sensor and the alarm;
the controller controls the alarm to work based on the wind speed sensor, the temperature sensor and the weight sensor, and the method comprises the following steps:
step 1: the controller calculates the weight of dust attached to the display screen 16 according to the detection value of the wind speed sensor, the average detection value of the temperature sensor, the detection value of the weight sensor and a formula (1);
wherein G isN is the number of times of detection of the wind speed sensor, V is the mass of dust adhering to the display screen 16iIs the ith detection value of the wind speed sensor, m is the detection value of the weight sensor, rho is the dust concentration in the air, rho1Air density, g is gravity acceleration, and the value is 9.8m/s2S is the surface area of the display screen 16, T is the average detection value of the temperature sensor, T1The temperature is 15 ℃ in a standard state, and kappa is the air gravity in the standard state;
step 2: the controller calculates an alarm evaluation value according to the dust weight value attached to the display screen 16 calculated in the step 1 and a formula (2), compares the alarm evaluation value with a preset alarm evaluation reference value, and controls the alarm to alarm when the alarm evaluation value is larger than the preset alarm evaluation reference value;
wherein A is an alarm evaluation value, b is the detection frequency of the temperature sensor, and TaThe measured value of the temperature sensor at the a-th time is tan, cot is cotangent,
the inclination angle of the display screen 16 to the vertical plane is shown, e is a natural constant and takes a value of 2.72, and pi takes a value of 3.14.
The working principle and the beneficial effects of the technical scheme are as follows:
firstly, the wind speed sensor is used for detecting the wind speed on the surface of the display screen 16, the temperature sensor is used for detecting the temperature value on the surface of the display screen 16, the weight sensor is used for detecting the dust weight on the surface of the weighing layer, and the controller calculates the dust quality attached to the display screen 16 according to the formula (1) (wherein k is the air weight under the standard state, and the value is 0.01225KN/m3) Then, an alarm evaluation value is calculated based on the calculated mass of dust attached to the display screen 16 and formula (2) (wherein formula (2) takes into account
The dust cleaning device comprises a display screen 16, a vertical plane, a controller, an alarm, a moving block 6, a brush 8, a brush driving motor, a moving block driving motor, a controller and a controller, wherein the moving block.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (9)
1. The utility model provides a road erection engineering is with intelligent warning sign, includes base (1), its characterized in that: the improved rain-proof box is characterized in that the top of the base (1) is movably connected with a threaded barrel (2), the inner thread of the threaded barrel (2) is connected with a first threaded rod (3), the top of the first threaded rod (3) is fixedly connected with a box body (4), the inner side wall of the box body (4) is movably connected with a second threaded rod (5), the outer surface of the second threaded rod (5) is in threaded connection with a moving block (6), one side of the moving block (6) is fixedly connected with a second connecting rod (7), one end of the second connecting rod (7) is fixedly connected with a brush (8), the top of the box body (4) is fixedly connected with a first fixing rod (10), the top of the first fixing rod (10) is fixedly connected with a rain-blocking plate (11), and the two sides of the base (1.
2. The intelligent warning board for road installation engineering according to claim 1, wherein: the bottom fixedly connected with first gear (13) of a screw thread section of thick bamboo (2), one side swing joint second gear (14) of first gear (13), one side fixedly connected with head rod (15) of second gear (14), the first bull stick (17) of one end fixedly connected with of head rod (15), the first motor (18) of one end fixedly connected with of first bull stick (17), fixed orifices (19) have been seted up to the inside of fixed plate (12), the quantity of fixed orifices (19) is two sets of, and is a set of the quantity of fixed orifices (19) is four, the big or small phase-match of a screw thread section of thick bamboo (2) and first threaded rod (3).
3. The intelligent warning board for road installation engineering according to claim 2, wherein: the other end fixedly connected with third gear (20) of second threaded rod (5), the bottom swing joint of third gear (20) has fourth gear (21), one side swing joint of fourth gear (21) has fifth gear (22), the bottom fixedly connected with third connecting rod (23) of fifth gear (22), the one end fixedly connected with second bull stick (24) of third connecting rod (23), the one end fixedly connected with second motor (25) of second bull stick (24), the equal fixedly connected with rubber pad (26) in bottom of first motor (18) and second motor (25), the material of rubber pad (26) is rubber.
4. The intelligent warning board for road installation engineering according to claim 1, wherein: the utility model discloses a safety alarm box, including box (4), the first fixed block of one side fixedly connected with (27) of box (4), top fixedly connected with siren (28) of first fixed block (27), opposite side fixedly connected with second fixed block (29) of box (4), top fixedly connected with warning light (30) of second fixed block (29), the inside of warning light (30) is including fourth connecting rod, green pilot lamp, yellow indicator and red pilot lamp, the bottom fixedly connected with fourth connecting rod of warning light (30), the top fixedly connected with green pilot lamp of fourth connecting rod, the top fixedly connected with yellow pilot lamp of green pilot lamp, the red pilot lamp of top fixedly connected with of yellow pilot lamp.
5. The intelligent warning board for road installation engineering according to claim 1, wherein: one side of the top of the box body (4) far away from the first fixing rod (10) is fixedly connected with a second fixing rod (31), and the top of the second fixing rod (31) is fixedly connected with a camera (32).
6. The intelligent warning board for road installation engineering according to claim 1, wherein: one side fixedly connected with reflector panel (33) of camera (32) is kept away from at the top of box (4), the front of reflector panel (33) is provided with reflection of light stripe.
7. The intelligent warning board for road installation engineering according to claim 1, wherein: the front of box (4) fixedly connected with display screen (16), the interior diapire fixedly connected with battery (9) of box (4).
8. The intelligent warning board for road installation engineering according to claim 1, wherein: still include a removal securing device, remove securing device with base (1) threaded connection, remove securing device includes:
vertical plate (34): the vertical plate (34) is divided into a vertical part (3401) and a horizontal part (3402), the vertical part (3401) is in threaded connection with a cylinder bottom plate (3501), the cylinder bottom plate (3501) is fixedly connected with a cylinder (35), a cylinder (36) is fixedly sleeved on the cylinder (35), a fixed sleeve (42) is in pin connection with an extending end (3502) of the cylinder (35), and two supporting hinge seats (43) are arranged at the upper end and the lower end of the fixed sleeve (42);
two connecting arc plates (37): the two connecting arc plates (37) are symmetrically arranged along the axis of the cylinder (36), one ends of the two connecting arc plates (37) are fixedly connected with a first clamping plate (40), a fixing pin (3701) is arranged in the middle of the connecting arc plates (37), and fixing blocks (39) are symmetrically and fixedly arranged at the left side end of the first clamping plate (40) from top to bottom;
clip (41): the clamping pieces (41) are uniformly arranged on the right side end face of the first clamping plate (40) at intervals, the clamping pieces (41) are divided into three parts, namely a clamping shaft (4101), a clamping spring (4102) and a clamping plate II (4103), the left side end of the clamping shaft (4101) is fixedly connected with the first clamping plate (40), the clamping shaft (4101) is symmetrically and rotatably provided with the clamping plate II (4103) on the arc face far away from the first clamping plate (40) along the axis, the bottom end of the clamping plate II (4103) is fixedly connected with one end of the clamping spring (4102), and the other end of the clamping spring (4102) is fixedly arranged on the arc face close to the first clamping plate (40);
a slide plate (38), the slide plate (38) being divided into: the first part (3801) and the second part (3802) are connected in sequence, the first part (3801) of the sliding plate (38) is rotatably connected with the fixed block (39), the second part (3802) of the sliding plate (38) is provided with a sliding chute (3803), the sliding chute (3803) is slidably connected with the fixed pin (3801), and one end, away from the first part (3801), of the second part (3803) of the sliding plate (38) is rotatably connected with the supporting hinge base (43);
the upper end face of the horizontal part (3402) is uniformly provided with threaded holes (46), the threaded holes (46) are arranged corresponding to the fixing holes (19), the horizontal part (3402) is in threaded connection with the base (1) through the fixing holes (19), the upper end face of the horizontal part (3402) close to two side ends is circumferentially and uniformly provided with four through holes (47), the lower end face of the horizontal part (3402) is circumferentially and uniformly provided with four grooves (45), and the grooves (45) are communicated with the through holes (47); springs (48) are symmetrically arranged on the left inner wall and the right inner wall of the groove (45), and the springs (48) are fixedly connected with clamping blocks (49);
pneumatic cylinder (44), pneumatic cylinder (44) are fixed horizontal part (3402) up end, with through-hole (47) correspond the setting, output (4401) of pneumatic cylinder (44) pass through-hole (47) and wheel seat (50) fixed connection, wheel seat (50) left and right sides symmetry is equipped with draw-in groove (5001), wheel seat (50) with metal wheel (51) rotate to be connected, metal wheel (50) set up inside recess (45).
9. The intelligent warning board for road installation engineering according to claim 1, wherein: further comprising:
a wind speed sensor: the wind speed sensor is arranged on the surface of the display screen (16) and is used for detecting the wind speed on the surface of the display screen (16);
a temperature sensor: the temperature sensor is arranged on the surface of the display screen (16) and is used for detecting the temperature value on the surface of the display screen (16);
a weight sensor: a weight measuring layer is arranged in a blank area on the surface of the display screen (16), and the weight sensor is arranged in the weight measuring layer and used for detecting the weight of dust on the surface of the weight measuring layer;
an alarm device: the alarm is arranged on the surface of the box body (4);
a controller: the controller is electrically connected with the wind speed sensor, the temperature sensor, the weight sensor and the alarm;
the controller controls the alarm to work based on the wind speed sensor, the temperature sensor and the weight sensor, and the method comprises the following steps:
step 1: the controller calculates the weight of dust attached to the display screen (16) according to the detection value of the wind speed sensor, the average detection value of the temperature sensor, the detection value of the weight sensor and a formula (1);
wherein G is the dust mass attached to the display screen (16), n is the detection frequency of the wind speed sensor, and V isiIs the ith detection value of the wind speed sensor, m is the detection value of the weight sensor, rho is the dust concentration in the air, rho1Air density, g is gravity acceleration, and the value is 9.8m/s2S is a displayThe surface area of the screen (16), T being the average value detected by the temperature sensor, T1The temperature is 15 ℃ in a standard state, and kappa is the air gravity in the standard state;
step 2: the controller calculates an alarm evaluation value according to the dust weight value attached to the display screen (16) calculated in the step 1 and a formula (2), compares the alarm evaluation value with a preset alarm evaluation reference value, and controls the alarm to give an alarm when the alarm evaluation value is larger than the preset alarm evaluation reference value;
wherein A is an alarm evaluation value, b is the detection frequency of the temperature sensor, and TaThe measured value of the temperature sensor at the a-th time is tan, cot is cotangent,
is the inclination angle of the display screen (16) and the vertical plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011183727.XA CN112323671A (en) | 2020-10-29 | 2020-10-29 | Road erection engineering uses intelligent warning sign |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011183727.XA CN112323671A (en) | 2020-10-29 | 2020-10-29 | Road erection engineering uses intelligent warning sign |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112323671A true CN112323671A (en) | 2021-02-05 |
Family
ID=74297349
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011183727.XA Withdrawn CN112323671A (en) | 2020-10-29 | 2020-10-29 | Road erection engineering uses intelligent warning sign |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112323671A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113463533A (en) * | 2021-07-09 | 2021-10-01 | 零点创新科技有限公司 | Intelligent safety warning device for wind power plant |
| CN115631620A (en) * | 2022-12-21 | 2023-01-20 | 扬州市职业大学(扬州开放大学) | Auxiliary electronic control device for traffic assistant management |
-
2020
- 2020-10-29 CN CN202011183727.XA patent/CN112323671A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113463533A (en) * | 2021-07-09 | 2021-10-01 | 零点创新科技有限公司 | Intelligent safety warning device for wind power plant |
| CN115631620A (en) * | 2022-12-21 | 2023-01-20 | 扬州市职业大学(扬州开放大学) | Auxiliary electronic control device for traffic assistant management |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112323671A (en) | Road erection engineering uses intelligent warning sign | |
| CN210459007U (en) | Multifunctional bridge construction warning device | |
| CN207277230U (en) | A kind of municipal works road indicating device that can freely adjust the angle | |
| CN109272861B (en) | Power supply construction is with reminding device of warning sign of being convenient for change | |
| CN207259991U (en) | A kind of Multi-functional road traffic sign device | |
| CN117513116A (en) | Bituminous paving flatness detection device and application method thereof | |
| CN206451460U (en) | A kind of water on urban streets identity device | |
| CN210315220U (en) | Municipal administration bridge is with adjustable rail guard | |
| CN209859295U (en) | Multifunctional road indicator lamp device | |
| CN109056574B (en) | Highway construction road safety warning device | |
| CN209817593U (en) | Road construction safety fence | |
| CN117168578A (en) | Ponding depth monitoring device based on camera discernment | |
| CN212873749U (en) | Novel wisdom traffic shunt device | |
| CN213681814U (en) | Novel traffic engineering direction tablet | |
| CN214822827U (en) | Highway tunnel disease detects car | |
| CN214251851U (en) | Flexible pavement shear strength detection device for highway engineering | |
| CN213480094U (en) | LED street lamp for road traffic | |
| CN212582485U (en) | Road sign for wisdom traffic | |
| CN210621514U (en) | Sound-insulation wind shield for road and bridge | |
| CN211598006U (en) | Highway maintenance engineering is with collapsible rail | |
| CN211780629U (en) | Night lighting device for bridge | |
| CN209243610U (en) | A kind of road vehicle alarming device | |
| CN212388395U (en) | Adjustable road sign | |
| CN210140788U (en) | Road sign device is used in road bridge maintenance | |
| CN214939554U (en) | But construction signal lamp of automatically regulated function |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210205 |
|
| WW01 | Invention patent application withdrawn after publication |