CN108086183A - A kind of road construction warning vehicle - Google Patents
A kind of road construction warning vehicle Download PDFInfo
- Publication number
- CN108086183A CN108086183A CN201711429785.4A CN201711429785A CN108086183A CN 108086183 A CN108086183 A CN 108086183A CN 201711429785 A CN201711429785 A CN 201711429785A CN 108086183 A CN108086183 A CN 108086183A
- Authority
- CN
- China
- Prior art keywords
- fixed
- plate
- road construction
- warning
- warning vehicle
- 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.)
- Granted
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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
-
- 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
-
- 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
- E01F9/65—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 with rotatable, swingable or adjustable signs or signals
-
- 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
Abstract
The invention discloses a kind of highway engineering construction warning vehicles, including bottom plate, top is fixed with tool box on bottom plate, tool box top is fixed with fixed plate, fixed plate side is fixedly connected with promotion handle, fixed plate top is fixed with four stavings close to four corners, damping spring is fixed in staving, damping spring top is fixedly connected with sliding bar, sliding bar is inserted into staving, sliding bar top is fixedly connected with positioning plate, and positioning plate top, which is fixedly connected in U-shaped piece, U-shaped piece, is equipped with air bag.The present invention can be converted solar energy into electrical energy to be used for itself, it can automatic sensing luminous intensity, realize that quantity is opened in the in due course of control warning lamp, the effectively save energy, but also can up and down adjustment be carried out to the position of warning lamp position and headlamp by air bag, facilitate control height, farther vehicle can be made to see warning vehicle and illuminate the region of bigger, worker is facilitated to construct, also effectively prevents falling object from high altitude from smashing the present apparatus using air bag and damping spring.
Description
Technical field
The invention belongs to field of road, and in particular to a kind of highway engineering construction warning vehicle.
Background technology
With the economic fast development in China, road construction occupies an important ring, and when road construction generally all can
Construction warning signs, the direction board that construction warning signs are in order at security consideration and set, to reduce security risk are set.It is existing to apply
Work caution board structure is simple, usually due at night or higher haze intensity, can not it is clear that cause the generation of security incident,
Not smart enoughization simultaneously, causes energy waste, and construction warning signs are fixed and it is very inconvenient to install, in the road surface of out-of-flatness
On can not dispose, and if many road constructions or when safeguarding, it is necessary to replace different place constructions, but not knowing makes
It is transported with transport vehicle, so manually copy mechanically to bother very much, waste many times, dally over one's work.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of highway engineering construction warning vehicles, are deposited with solving the prior art
Fixation, installation, transport it is inconvenient and ineffective the problems such as.
In order to solve the above technical problems, the technical solution adopted by the present invention is as follows：
A kind of road construction is fixed with tool box on bottom plate, fixed plate, fixed plate is fixed on tool box with vehicle is warned
It is upper that positioning plate is fixedly installed by sliding bar and damping spring, it is fixed on positioning plate outside U-shaped piece, U-shaped piece and is cased with sleeve,
Sleeve top is fixed with U-shaped frame；Wherein, U-shaped frame top is fixed with transverse slat, and the side of transverse slat is equipped with several warning lamps.
Wherein, the height adjusting part extended vertically through is symmetrically arranged on the bottom plate, height adjusting part bottom is equipped with anti-
Skidding；Wherein, threaded rod bottom is bolted in height adjusting part and is fixedly connected with fixed block B, the rotatable connection of fixed block B bottoms has
Spill spin block, spill spin block bottom are fixedly connected with connecting rod, and connecting rod bottom is equipped with universal wheel；Wherein, the diameter of universal wheel is less than
8~12mm of diameter of height adjusting part internal thread through hole.
These, it is preferred to polysulfide rubber is used using interference fit, the non-slip mat between height adjusting part and bottom plate
It is made.
Wherein, described fixed plate one end is fixedly connected with promotion handle, promotes and anti-skidding rubber is pasted on the handle of handle
Glue-line.
Wherein, several stavings are fixed in the fixed plate, 1 damping spring is equipped in each staving；Subtract
The top and one end of vertically disposed sliding bar for shaking spring are fixed, and the other end of sliding bar and the bottom surface of positioning plate are fixed and connected
It connects；Wherein, sliding bar outer diameter is engaged with staving internal diameter.
These, it is preferred to which the fixed plate is square, 4 stavings are fixed in fixed plate, are distributed in fixed plate
4 jiaos.
Wherein, air bag is equipped in described U-shaped piece, air bag both sides are connected with air inlet pipe and air outlet pipe, air inlet pipe and outlet
Pipe is stretched out outside U-shaped piece；Wherein, air inlet pipe is equipped with check valve, and is connected with air charging system；Air outlet pipe is equipped with shut-off valve.
Wherein, the sleeve both sides are bolted with clamping screw A.
Wherein, the transverse slat bottom surface is fixed with PLC controller and accumulator, and top surface is equipped with photosensitive sensor；Wherein, light
Dependent sensor and PLC controller are electrical connected.
Wherein, the transverse slat top surface is fixed with several supporting rods, and each supporting bar top is equipped with solar energy
Lie prostrate power generation plate.
Wherein, the transverse slat side is fixed with fixed block A, and one end is equipped with arc groove to fixed block A outwardly, on arc groove
It is bolted with clamping screw B；Wherein, universal wheel is equipped in the arc groove, headlamp is fixedly installed on universal wheel.
These, it is preferred to the transverse slat is square；
Wherein,
Several warning lamps are equipped on 4 sides of transverse slat；
The supporting rod is 4, is distributed in 4 angles of transverse slat；
The fixed block A is 2, is fixed on the opposite two sides of horizontal version.
Wherein, the warning lamp is electrical connected with PLC controller and accumulator, and the headlamp is and accumulator
It is electrical connected, the solar energy power generating plate is electrical connected with accumulator.
Advantageous effect：
Compared with prior art, the configuration of the present invention is simple, it is easy to use, it can convert solar energy into electrical energy for itself
Use, can automatic sensing luminous intensity, realize that quantity, the effectively save energy are opened in the in due course of control warning lamp, but also can lead to
It crosses air bag and up and down adjustment is carried out to the position of warning lamp position and headlamp, facilitate control height, can see farther vehicle
To warning vehicle and the region of illumination bigger, worker is facilitated to construct, also effectively prevents falling object from high altitude from pounding using air bag and damping spring
The bad present apparatus, and by the way that mobile device is adjusted, it so can be horizontal positioned on uneven ground, it is so easier to use
The present apparatus, and the position for replacing the present apparatus can also be moved easily.
Description of the drawings
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the partial enlarged view at A in Fig. 1；
Fig. 3 is the partial enlarged view at B in Fig. 1；
Fig. 4 is the partial enlarged view at C in Fig. 1；
Fig. 5 is the operating diagram of the present invention.
Reference numeral：Bottom plate 1, tool box 2, fixed plate 3, promotion handle 4, staving 5, sliding bar 6, damping spring 7, positioning
Plate 8, U-shaped piece 9, air bag 10, sleeve 11, air charging system 12, air inlet pipe 13, check valve 14, air outlet pipe 15, shut-off valve 16, locking
Bolt A17, U-shaped frame 18, transverse slat 19, warning lamp 20, PLC controller 21, photosensitive sensor 22, fixed block A23, arc groove 24,
Multi-directional ball 25, headlamp 26, clamping screw B27, supporting rod 28, solar energy power generating plate 29, accumulator 30, height adjusting part
31st, threaded rod 32, fixed block B33, spill spin block 34, connecting rod 35, universal wheel 36, non-slip mat 37.
Specific embodiment
Embodiment 1
Highway engineering construction as shown in figures 1-4 is fixed with tool box 2, is fixed on tool box 2 with vehicle is warned on bottom plate 1
Equipped with fixed plate 3,3 one end of fixed plate, which is fixedly connected with, promotes handle 4, promotes and is pasted with anti-slip rubber layer on the handle of handle 4.
Fixed plate 3 is square, is fixed with 1 staving 5 on 4 angles respectively, 1 damping spring 7 is equipped in each staving 5；Subtract
The top and one end of vertically disposed sliding bar 6 for shaking spring 7 are fixed, and the bottom surface of the other end and positioning plate 8 of sliding bar 6 is fixed
Connection；Wherein, sliding bar outer diameter is engaged with staving internal diameter.U-shaped piece 9 is fixed on the positioning plate 8, is set in U-shaped piece 9
There is air bag 10, be externally provided with sleeve 11.10 both sides of air bag are connected with air inlet pipe 13 and air outlet pipe 15, and air inlet pipe 13 and air outlet pipe 15 are equal
It stretches out outside U-shaped piece 9；Wherein, air inlet pipe 13 is equipped with check valve 14, and is connected with air charging system 12；Air outlet pipe 15, which is equipped with, cuts
Only valve 16.And sleeve 11 is fixed on U-shaped piece 9 outside by the clamping screw A17 of both sides, and its top is fixed with U-shaped frame 18.
U-shaped 18 top of frame is fixed with transverse slat 19.Transverse slat 19 is square, several warning lamps 20 are equipped on 4 sides.Transverse slat 19
Opposite sides face on be fixed with fixed block A23 respectively, one end is equipped with arc groove 24 to fixed block A23 outwardly, on arc groove 24
It is bolted with clamping screw B27；Wherein, universal wheel 25 is equipped in the arc groove 24, illumination is fixedly installed on universal wheel 25
Lamp 26.4 jiaos of 19 top surface of transverse slat is respectively fixed with 1 supporting rod 28, and each 28 top of supporting rod is equipped with photovoltaic
Power generation plate 29.The bottom surface of transverse slat 19 is further fixed on PLC controller 21 and accumulator 30, and top surface is equipped with photosensitive sensor 22.Wherein,
Photosensitive sensor 22 and PLC controller 21 are electrical connected, and warning lamp 20 is electrical connected with PLC controller 21 and accumulator 30,
The headlamp 26 is electrical connected with accumulator 30, the solar energy power generating plate 29 and 30 electrical phase of accumulator
Even.
Wherein, warn on car bottom plate 1 and be also symmetrically arranged with the height adjusting part 31 extended vertically through, height adjusting part 31 and bottom
It is equipped between plate 1 using interference fit, 31 bottom of height adjusting part with non-slip mat 37 made of polysulfide rubber；Wherein, height is adjusted
32 bottom of threaded rod is bolted in part 31 and is fixedly connected with fixed block B33, the rotatable connection of fixed block B33 bottoms has spill spin block 34,
34 bottom of spill spin block is fixedly connected with connecting rod 35, and 35 bottom of connecting rod is equipped with universal wheel 36；Wherein, the diameter of universal wheel 36 is small
In 8~12mm of diameter of 31 internal thread through hole of height adjusting part.
As shown in figure 5, the present invention is in use, can be applied by promoting handle 4 that whole device is pushed to needs
Work or the road area of maintenance, it is possible to it have come to uses, because 35 bottom of connecting rod is fixedly connected with universal wheel 36,
Promote the present apparatus very convenient quick, but also the small instruments and tools of some needs can be constructed construction or the road safeguarded
It is placed in tool box 2, has so effectively saved human resources.
After the present apparatus is pushed to designated position, because being bolted with threaded rod 32 in height adjusting part 31,32 bottom of threaded rod
End is fixedly connected with fixed block B33, and fixed block B33 rotatable connections have spill spin block 34, and 34 bottom of spill spin block is fixedly connected with connection
Bar 35, so directly rotating threaded rod 32,35 bottom of connecting rod is fixedly connected with universal wheel 36, can thus move upwards, most
Afterwards when 31 bottom of height adjusting part completely attach to ground can, and because 31 bottom of height adjusting part be fixed with it is anti-skidding
Pad 37 so so can be very good to fix whole device, places its slip, and because the design of non-slip mat 37, it can
It is very steady with what can also be placed on the ground of out-of-flatness.
After whole device is placed steadily, at this moment photosensitive sensor 22 will sense the brightness of surrounding, so as to transfer signal
Onto PLC controller 21, and PLC controller 21 can control the quantity for opening warning lamp 20, so effective energy saving
The normal work of whole device can also be effectively guaranteed simultaneously, and because is fixed with respectively on square 19 two side of transverse slat
Fixed block A23, the fixed block A23 other ends are fixed with arc groove 24, clamping screw B27, arc groove are bolted on arc groove 24
Multi-directional ball 25 is equipped in 24, headlamp 26 is fixed in multi-directional ball 25, so the present apparatus can also provide the effect of illumination, and
And utilize the effect of multi-directional ball 25, the angle of the change irradiation of headlamp 26 that can be arbitrarily, so as to adapt to the construction of different azimuth
Or safeguard, and accumulator group 30 can be continuously when having the sun using solar energy power generating plate 29 and charged, from
And accumulator group 30 has been effectively ensured and has powered to warning lamp 20 and headlamp 26, it ensure that the use continuation of the present apparatus.
After whole device is placed steadily, it can be vented using air charging system 12 into air bag 10, such air bag 10 will fill
Gas at this time unscrews clamping screw A17, and so U-shaped frame 18 will be jacked up by air bag 10 to be come, so as to warning lamp 20 and photograph
26 position of bright lamp moves up, and can so cause farther place that can see warning lamp, and 26 position of headlamp is upward
After movement moves up, irradiation area bigger, more convenient staff's constructing operation, and because have air bag 10 and damping bullet
Spring 7 designs, and can effectively place falling object from high altitude and smash the present apparatus.
So the present invention can convert solar energy into electrical energy for itself use, can automatic sensing luminous intensity, realize control
The in due course unlatching quantity of warning lamp, the effectively save energy, but also can be by air bag to the position of warning lamp position and headlamp
Carry out up and down adjustment is put, facilitates control height, farther vehicle can be made to see warning vehicle and illuminate the region of bigger, facilitate work
People constructs, and also effectively prevents falling object from high altitude from smashing the present apparatus using air bag and damping spring, and by the way that mobile device is adjusted,
So can be horizontal positioned on uneven ground, it is so easier using the present apparatus, and can also be moved easily and replace this dress
The position put.
Claims (10)
1. a kind of road construction warning vehicle, which is characterized in that tool box (2) is fixed on bottom plate (1), it is solid on tool box (2)
Surely fixed plate (3) is equipped with, positioning plate (8) is fixedly installed by sliding bar (6) and damping spring (7) in fixed plate (3), positioning
It is fixed on plate (8) U-shaped piece (9), is cased with sleeve (11) outside U-shaped piece (9), sleeve (11) top is fixed with U-shaped frame (18)；
Wherein, U-shaped frame (18) top is fixed with transverse slat (19), and the side of transverse slat (19) is equipped with several warning lamps (20).
2. road construction according to claim 1 warning vehicle, which is characterized in that be symmetrical arranged on the bottom plate (1)
There is the height adjusting part (31) extended vertically through, height adjusting part (31) bottom is equipped with non-slip mat (37)；Wherein, height adjusting part
(31) threaded rod (32) bottom is bolted in and is fixedly connected with fixed block B (33), the rotatable connection of fixed block B (33) bottom has rotation
Block (34), spill spin block (34) bottom are fixedly connected with connecting rod (35), and connecting rod (35) bottom is equipped with universal wheel (36)；Wherein,
The diameter of universal wheel (36) is less than the diameter of height adjusting part (31) internal thread through hole.
3. road construction according to claim 1 warning vehicle, which is characterized in that described fixed plate (3) one end is fixed
It is connected with and promotes handle (4), promote and be pasted with anti-slip rubber layer on the handle of handle (4).
4. road construction according to claim 1 warning vehicle, which is characterized in that fixation is set in the fixed plate (3)
There are several stavings (5), 1 damping spring (7) is equipped in each staving (5)；The top of damping spring (7) is with being vertically arranged
One end of sliding bar (6) fix, the other end of sliding bar (6) is fixedly connected with the bottom surface of positioning plate (8).
5. road construction according to claim 1 warning vehicle, which is characterized in that air bag is equipped in U-shaped piece (9)
(10), air bag (10) both sides are connected with air inlet pipe (13) and air outlet pipe (15), and air inlet pipe (13) and air outlet pipe (15) are stretched out U-shaped
Block (9) is outside；Wherein, air inlet pipe (13) is equipped with check valve (14), and is connected with air charging system (12)；Air outlet pipe (15) is equipped with
Shut-off valve (16).
6. road construction according to claim 1 warning vehicle, which is characterized in that described sleeve (11) both sides are bolted with
Clamping screw A (17).
7. road construction according to claim 1 warning vehicle, which is characterized in that described transverse slat (19) bottom surface is fixed with
PLC controller (21) and accumulator (30), top surface are equipped with photosensitive sensor (22)；Wherein, photosensitive sensor (22) and PLC controls
Device (21) is electrical connected.
8. road construction according to claim 1 warning vehicle, which is characterized in that transverse slat (19) top surface fixation is set
There are several supporting rods (28), each supporting rod (28) top is equipped with solar energy power generating plate (29).
9. road construction according to claim 1 warning vehicle, which is characterized in that described transverse slat (19) side is fixed and set
There is fixed block A (23), one end is equipped with arc groove (24) to fixed block A (23) outwardly, and arc groove is bolted with clamping screw B on (24)
(27)；Wherein, universal wheel (25) is equipped in the arc groove (24), headlamp (26) is fixedly installed on universal wheel (25).
10. the road construction warning vehicle according to claim 1,7,8 or 9, which is characterized in that the warning lamp (20)
It is electrical connected with PLC controller (21) and accumulator (30), the headlamp (26) is electrical connected with accumulator (30),
The solar energy power generating plate (29) is electrical connected with accumulator (30).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711429785.4A CN108086183B (en) | 2017-12-26 | 2017-12-26 | Warning car is used in road construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711429785.4A CN108086183B (en) | 2017-12-26 | 2017-12-26 | Warning car is used in road construction |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108086183A true CN108086183A (en) | 2018-05-29 |
| CN108086183B CN108086183B (en) | 2019-12-10 |
Family
ID=62179120
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711429785.4A Active CN108086183B (en) | 2017-12-26 | 2017-12-26 | Warning car is used in road construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108086183B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108279196A (en) * | 2018-02-07 | 2018-07-13 | 天津中德应用技术大学 | Computer based quality management detection device |
| CN108820001A (en) * | 2018-06-01 | 2018-11-16 | 郑州赫恩电子信息技术有限公司 | A kind of precise electronic product transport device of good damping effect |
| CN108915351A (en) * | 2018-06-30 | 2018-11-30 | 徐春辉 | A kind of expressway traffic accident processing personal protection lifting hurdle and its application method |
| CN109204128A (en) * | 2018-09-28 | 2019-01-15 | 安徽省中车科技有限公司 | A kind of height-adjustable automobile tripod |
| CN110820622A (en) * | 2019-11-07 | 2020-02-21 | 江苏师范大学 | Road construction warning device |
| WO2020258341A1 (en) * | 2019-06-24 | 2020-12-30 | 太仓华淏信息科技有限公司 | Underground pipeline positioning device |
| CN112538830A (en) * | 2020-12-04 | 2021-03-23 | 铜仁职业技术学院 | Warning sign for building engineering convenient to remove |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106408966A (en) * | 2016-09-29 | 2017-02-15 | 成都聚立汇信科技有限公司 | New type led warning device |
| CN106522121A (en) * | 2016-11-04 | 2017-03-22 | 成都启立辰智科技有限公司 | Municipal road construction sign |
| CN206396660U (en) * | 2017-01-13 | 2017-08-11 | 重庆交通大学 | A kind of new highway engineering construction guider |
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2017
- 2017-12-26 CN CN201711429785.4A patent/CN108086183B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106408966A (en) * | 2016-09-29 | 2017-02-15 | 成都聚立汇信科技有限公司 | New type led warning device |
| CN106522121A (en) * | 2016-11-04 | 2017-03-22 | 成都启立辰智科技有限公司 | Municipal road construction sign |
| CN206396660U (en) * | 2017-01-13 | 2017-08-11 | 重庆交通大学 | A kind of new highway engineering construction guider |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108279196A (en) * | 2018-02-07 | 2018-07-13 | 天津中德应用技术大学 | Computer based quality management detection device |
| CN108279196B (en) * | 2018-02-07 | 2023-07-21 | 天津中德应用技术大学 | Quality management detection device based on computer |
| CN108820001A (en) * | 2018-06-01 | 2018-11-16 | 郑州赫恩电子信息技术有限公司 | A kind of precise electronic product transport device of good damping effect |
| CN108915351A (en) * | 2018-06-30 | 2018-11-30 | 徐春辉 | A kind of expressway traffic accident processing personal protection lifting hurdle and its application method |
| CN108915351B (en) * | 2018-06-30 | 2021-02-02 | 新昌县水帘峡市政园林有限公司 | Personnel protection lifting fence for highway accident handling and use method thereof |
| CN109204128A (en) * | 2018-09-28 | 2019-01-15 | 安徽省中车科技有限公司 | A kind of height-adjustable automobile tripod |
| WO2020258341A1 (en) * | 2019-06-24 | 2020-12-30 | 太仓华淏信息科技有限公司 | Underground pipeline positioning device |
| CN110820622A (en) * | 2019-11-07 | 2020-02-21 | 江苏师范大学 | Road construction warning device |
| CN112538830A (en) * | 2020-12-04 | 2021-03-23 | 铜仁职业技术学院 | Warning sign for building engineering convenient to remove |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108086183B (en) | 2019-12-10 |
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