CN108049337A - Hold-back device and its application method - Google Patents
Hold-back device and its application method Download PDFInfo
- Publication number
- CN108049337A CN108049337A CN201810064486.3A CN201810064486A CN108049337A CN 108049337 A CN108049337 A CN 108049337A CN 201810064486 A CN201810064486 A CN 201810064486A CN 108049337 A CN108049337 A CN 108049337A
- Authority
- CN
- China
- Prior art keywords
- movable part
- vehicle
- movable plate
- ground
- hold
- 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.)
- Pending
Links
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
- E01F13/00—Arrangements for obstructing or restricting traffic, e.g. gates, barricades ; Preventing passage of vehicles of selected category or dimensions
- E01F13/10—Vehicle barriers specially adapted for allowing passage in one direction only
- E01F13/105—Vehicle barriers specially adapted for allowing passage in one direction only depressible by right-way traffic, e.g. pivotally; actuated by wrong-way traffic
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
Abstract
The present invention provides a kind of hold-back device and its application method, it is related to highway traffic safety facility technology field, hold-back device provided by the invention, including：Movable part and elastic portion；For the vehicle that passes through, movable part is used for the vehicle of the current side directions along landing ground hinged end to movable part, and or, the vehicle pass-through for being hinged extreme direction along movable part towards ground for prevention for side of the movable part away from elastic portion.By when vehicle is moved along landing ground hinged end to movable part direction, movable part is subject to pressure of vehicle rotation to extend into groove, vehicle pass-through, when vehicle along movable part earthward hinged end is moved when, movable part prevent vehicle move, stop vehicle, alleviate it is in the prior art using lever prevent vehicle drive in the wrong direction when, it there is technical issues that traffic efficiency is low being unfavorable for traffic, realize vehicle one-way traffic, prevent the technique effect of vehicle driving in reverse.
Description
Technical field
The present invention relates to highway traffic safety facility technology field, more particularly, to a kind of hold-back device and its user
Method.
Background technology
Traffic safety travels according to traffic regulations concerning everyone safety problem, is the due responsibility of each driver
And obligation.
The situation that driver drives in the wrong direction in violation of rules and regulations is commonplace, and uniline limitation at present generally passes through one-way road or sets lever, single
Line is commonly used on road, and some places, such as cell, school place, even if there is one-way road, still suffering from people drives in the wrong direction,
It drives in the wrong direction in order to prevent at this time, it can be by setting the form of lever.
But lever is low there is traffic efficiency, thereby increases and it is possible to happening for lance occurs, be unfavorable for the smoothness of traffic.
The content of the invention
It is an object of the invention to provide a kind of hold-back device and its application methods, are existed in the prior art with alleviating
Using lever prevent vehicle drive in the wrong direction when, it is low there is traffic efficiency, thereby increases and it is possible to happening for lance occur, be unfavorable for traffic
Fluency the technical issues of.
Hold-back device provided by the invention, including：Movable part and elastic portion；Set on ground it is fluted, movable part with
Ground is hinged, and elastic portion is arranged between groove and movable part, so that elastic portion makes movable part that there is the movement away from groove to become
Gesture, side of the movable part away from elastic portion is for the vehicle that passes through, and side of the movable part away from elastic portion is set with ground in angle
It puts；Movable part is for the vehicle of the current side directions along landing ground hinged end to movable part, and or, for preventing along work
Dynamic portion is hinged the vehicle pass-through of extreme direction towards ground.
Further, movable part includes the first movable plate, the second movable plate and the 3rd movable plate；First movable plate, second
Movable plate and the 3rd movable plate are sequentially connected, and the first movable plate and the second movable plate are connected with ground hinged end, the first activity
Plate is arranged on the side of movable part, and the second movable plate setting parallel to the ground, the 3rd movable plate is arranged at movable part remotely
The one side of face hinged end.
Further, the 3rd movable plate is in arc-shaped.
Further, hold-back device further includes pulley；Pulley is arranged on the 3rd movable plate, and pulley and the 3rd activity
Plate connects, and when vehicle tyre is contacted with the 3rd movable plate, for driving pulley rotation, pulley is used to reduce vehicle wheel vehicle tyre
Frictional force between tire and the 3rd movable plate, so that movable part stops that vehicle passes through.
Further, pulley is provided with multiple；Multiple pulleys may be contained on the 3rd movable plate.
Further, it is provided with to remind the warning tape of driver on the outer surface of pulley.
Further, it is provided with to increase the anti-sliding/friction portion of force of sliding friction on the first movable plate.
Further, elastic portion could be provided as multiple；Multiple elastic portions may be contained in groove, and multiple elastic portions are equal
It is connected with movable part.
Further, elastic portion is arranged to compression spring.
The application method of hold-back device provided by the invention, comprises the following steps：
Step 100 digs fluted on the ground, and elastic portion is installed in groove；
Movable part and ground are hinged by step 200, and elastic portion is connected with movable part, and movable part is made rotatably to be deep into
In groove；
Step 400, vehicle are moved along landing ground hinged end towards movable part direction, and vehicle leads to along the side of movable part
Row, elastic portion are shunk, so that movable part rotation is deep into groove convenient for vehicle pass-through, after vehicle pass-through, elastic portion is by activity
Portion ejects groove, for use next time；Or vehicle is hinged extreme direction towards ground along movable part and moves, movable part prevents vehicle
It is current.
Hold-back device provided by the invention, including：Movable part and elastic portion；Set on ground it is fluted, movable part with
Ground is hinged, and elastic portion is arranged between groove and movable part, so that elastic portion makes movable part that there is the movement away from groove to become
Gesture, side of the movable part away from elastic portion is for the vehicle that passes through, and side of the movable part away from elastic portion is set with ground in angle
It puts；Movable part is for the vehicle of the current side directions along landing ground hinged end to movable part, and or, for preventing along work
Dynamic portion is hinged the vehicle pass-through of extreme direction towards ground.By the way that movable part and ground are hinged, movable part is made rotatably to extend into
In groove, when vehicle is moved along landing ground hinged end to movable part direction, it is recessed that movable part is subject to pressure of vehicle rotation to extend into
In slot, vehicle pass-through, when vehicle along movable part earthward hinged end is moved when, movable part prevent vehicle move, stop vehicle
Only, alleviate it is in the prior art using lever prevent vehicle drive in the wrong direction when, it is low there is traffic efficiency, thereby increases and it is possible to hit
Bar happens, the technical issues of being unfavorable for the fluency of traffic, realizes vehicle one-way traffic, prevents vehicle driving in reverse
Technique effect.
Description of the drawings
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution of the prior art
Embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, in describing below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is the overall structure diagram of hold-back device provided in an embodiment of the present invention；
Fig. 2 is the structure diagram of the movable part in hold-back device provided in an embodiment of the present invention；
Fig. 3 is the structure diagram that hold-back device provided in an embodiment of the present invention carries pulley；
Fig. 4 is the structure diagram that hold-back device provided in an embodiment of the present invention carries anti-sliding/friction portion.
Icon：10- movable parts；The first movable plates of 11-；The second movable plates of 12-；The 3rd movable plates of 13-；20- elastic portions；
30- grooves；40- pulleys；The anti-sliding/friction portions of 50-.
Specific embodiment
Technical scheme is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's all other embodiments obtained without making creative work, belong to the scope of protection of the invention.
In the description of the present invention, it is necessary to explanation, such as occur term " " center ", " on ", " under ", "left", "right",
" vertical ", " level ", " interior ", " outer " etc., indicated by orientation or position relationship be based on orientation shown in the drawings or position
Relation is for only for ease of the description present invention and simplifies description rather than instruction or imply that signified device or element must have
There is specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.In addition, as occurred
Term " first ", " second ", " the 3rd " are only used for description purpose, and it is not intended that instruction or hint relative importance.
In the description of the present invention, it is necessary to which explanation, unless otherwise clearly defined and limited, term " peace such as occurs
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or integrally
Connection；Can be mechanical connection or electrical connection；It can be directly connected, can also be indirectly connected by intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, can above-mentioned art be understood with concrete condition
The concrete meaning of language in the present invention.
Fig. 1 is the overall structure diagram of hold-back device provided in this embodiment；Fig. 2 is provided in this embodiment anti-reverse
Luggage put in movable part structure diagram；Fig. 3 is the structural representation that hold-back device provided in this embodiment carries pulley
Figure；Fig. 4 is the structure diagram that hold-back device provided in this embodiment carries anti-sliding/friction portion.
As shown in Figs 1-4, hold-back device provided in this embodiment, including：Movable part 10 and elastic portion 20；It is set on ground
Groove 30 is equipped with, movable part 10 is hinged with ground, and elastic portion 20 is arranged between groove 30 and movable part 10, so that elastic portion 20
Make movable part 10 that there is the movement tendency away from groove 30, side of the movable part 10 away from elastic portion 20 is used for the vehicle that passes through, and
Side of the movable part 10 away from elastic portion 20 is set with ground in angle；Movable part 10 is for current along landing ground hinged end to work
The vehicle of the side directions in dynamic portion 10, and or, for the vehicle for being hinged extreme direction along movable part 10 towards ground to be prevented to lead to
Row.
Wherein, movable part 10 is hinged with ground, and movable part 10 is made rotatably to extend into groove 30, when vehicle is along landing ground
Hinged end to 10 direction of movable part move when, movable part 10 be subject to pressure of vehicle rotation extend into groove 30, vehicle pass-through；When
Vehicle along movable part 10 earthward hinged end is moved when, movable part 10 prevent vehicle move, stop vehicle；Realize vehicle
One-way traffic, the technique effect of anti-anti-retrograde
Further, elastic portion 20 is arranged to compression spring.
Elastic portion 20 is arranged to compression spring, and elastic portion 20 gives movable part 10 upward power, makes movable part 10 not by crowded
In the case of pressure, movable part 10 stretches out groove 30, and movable part 10 is above groove 30, when vehicle is along landing ground hinged end to activity
When 10 direction of portion is moved, 20 forced compression of elastic portion, the rotation of movable part 10 is extend into groove 30, and vehicle is by rear, compression bullet
Spring drives movable part 10 to bounce, for use next time.
Hold-back device provided in this embodiment, including：Movable part 10 and elastic portion 20；Fluted 30 are set on ground,
Movable part 10 is hinged with ground, and elastic portion 20 is arranged between groove 30 and movable part 10, so that elastic portion 20 makes movable part 10
With the movement tendency away from groove 30, side of the movable part 10 away from elastic portion 20 is for the vehicle that passes through, and movable part 10 is remote
Side from elastic portion 20 is set with ground in angle；Movable part 10 is for current along landing ground hinged end to the side of movable part 10
The vehicle of edge direction, and or, the vehicle pass-through for being hinged extreme direction along movable part 10 towards ground for prevention.By that will live
Dynamic portion 10 is hinged with ground, and movable part 10 is made rotatably to extend into groove 30, when vehicle is along landing ground hinged end to movable part
When 10 directions are moved, movable part 10 is subject to pressure of vehicle rotation to extend into groove 30, vehicle pass-through, when vehicle is along movable part
10 earthward hinged end move when, movable part 10 prevent vehicle move, stop vehicle, alleviate in the prior art make
It is low there is traffic efficiency, thereby increases and it is possible to happening for lance occur, be unfavorable for the stream of traffic when preventing vehicle retrograde with lever
The technical issues of smooth property, realizes vehicle one-way traffic, prevents the technique effect of vehicle driving in reverse.
On the basis of above-described embodiment, further, the movable part 10 in hold-back device provided in this embodiment wraps
Include the first movable plate 11, the second movable plate 12 and the 3rd movable plate 13；First movable plate 11, the second movable plate 12 and the 3rd activity
Plate 13 is sequentially connected, and the first movable plate 11 and the second movable plate 12 are connected with ground hinged end, and the first movable plate 11 is arranged at
On the side of movable part 10,12 setting parallel to the ground of the second movable plate, the 3rd movable plate 13 is arranged at movable part 10 remotely
The one side of face hinged end.
Wherein, vehicle along landing ground hinged end to 10 direction of movable part move when, vehicle tyre is along the first movable plate 11
Current, when vehicle is earthward hinged extreme direction along movable part 10 and moves, the 3rd movable plate 13 prevents vehicle from moving, and realizes unidirectional
The technique effect of traveling.
Further, the 3rd movable plate 13 is in arc-shaped.
Further, hold-back device further includes pulley 40；Pulley 40 is arranged on the 3rd movable plate 13, and pulley 40 with
3rd movable plate 13 connects, and when vehicle tyre is contacted with the 3rd movable plate 13, vehicle tyre is for driving pulley 40 to rotate, pulley
40 for reducing the frictional force between vehicle tyre and the 3rd movable plate 13, so that movable part 10 stops that vehicle passes through.
Further, pulley 40 is provided with multiple；Multiple pulleys 40 may be contained on the 3rd movable plate 13.
Wherein, the 3rd movable plate 13 is arranged to arc-shaped, and pulley 40 is set on the 3rd movable plate 13, works as vehicle tyre
When being contacted with the 3rd movable plate 13, pulley 40 is contacted with vehicle tyre, and vehicle tyre and pulley 40 is made to rotate together, and then makes vehicle
The idle running of tire prevents vehicle tyre from breaking through the 3rd movable plate 13 because of frictional force effect.
Hold-back device provided in this embodiment, by setting pulley 40, pulley 40 and vehicle on the 3rd movable plate 13
Tire interface makes vehicle tyre and pulley 40 rotate together, and then vehicle tyre is made to dally, and prevents vehicle tyre because of the masterpiece that rubs
With breaking through the 3rd movable plate 13.
On the basis of above-described embodiment, further, pulley 40 in hold-back device provided in this embodiment it is outer
It is provided with to remind the warning tape of driver on surface.
Wherein, warning tape is set on pulley 40, making driver, prompting driver can not drive in the wrong direction in remote reviewing to pulley 40.
Further, it is provided with to increase the anti-sliding/friction portion 50 of force of sliding friction on the first movable plate 11.
Wherein, anti-sliding/friction portion 50 is set on the first movable plate 11, using anti-sliding/friction portion 50 increase vehicle tyre with
Friction between first movable plate 11 avoids what vehicle tyre had skidded on the first movable plate 11 from happening.
Further, elastic portion 20 could be provided as multiple；Multiple elastic portions 20 may be contained in groove 30, and multiple bullets
Property portion 20 is connected with movable part 10.
Wherein, it is connected using multiple elastic portions 20 with movable part 10, makes movable plate that there is the movement tendency away from groove 30,
After vehicle is by movable part 10, multiple elastic portions 20 quickly bounce movable part 10.
By setting warning tape on pulley 40, driver is reminded using warning tape for hold-back device provided in this embodiment
It can not drive in the wrong direction；Anti- sliding/friction portion 50 on the first movable plate 11 is set, vehicle tyre is avoided to be beaten on the first movable plate 11
Sliding happens.
The application method of hold-back device provided in this embodiment, comprises the following steps：
Step 100 digs fluted 30 on the ground, the installation elastic portion 20 in groove 30；
Movable part 10 is hinged by step 200 with ground, and elastic portion 20 is connected with movable part 10, makes movable part 10 that can turn
It is dynamic to be deep into groove 30；
Step 400, vehicle are moved along landing ground hinged end towards 10 direction of movable part, side of the vehicle along movable part 10
Current, elastic portion 20 is shunk, so that the rotation of movable part 10 is deep into groove 30 and is convenient for vehicle pass-through, after vehicle pass-through, elasticity
Movable part 10 is ejected groove 30 by portion 20, for use next time；Or vehicle is hinged extreme direction towards ground along movable part 10 and moves
Dynamic, movable part 10 prevents vehicle pass-through.
Wherein, when digging groove 30 on ground, the big I of groove 30 is identical with the size of movable part 10, also than activity
Portion 10 is big, ensures that movable part 10 is rotatably extend into groove 30.
Finally it should be noted that：The above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe is described in detail the present invention with reference to foregoing embodiments, it will be understood by those of ordinary skill in the art that：Its according to
Can so modify to the technical solution recorded in foregoing embodiments either to which part or all technical characteristic into
Row equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is not made to depart from various embodiments of the present invention technology
The scope of scheme.
Claims (10)
1. a kind of hold-back device, which is characterized in that including：Movable part and elastic portion；
Set fluted on ground, the movable part is hinged with ground, and the elastic portion is arranged at the groove and the activity
Between portion, so that the elastic portion makes the movable part have the movement tendency away from the groove, the movable part is away from institute
The side of elastic portion is stated for the vehicle that passes through, and side of the movable part away from the elastic portion is set with ground in angle；
The movable part for current along landing ground hinged end to the vehicle of the side directions of the movable part, and or, for preventing edge
The vehicle pass-through that the movable part is hinged extreme direction towards ground.
2. hold-back device according to claim 1, which is characterized in that the movable part includes the first movable plate, second
Movable plate and the 3rd movable plate；
First movable plate, second movable plate and the 3rd movable plate are sequentially connected, first movable plate and institute
The second movable plate to be stated to be connected with ground hinged end, first movable plate is arranged on the side of the movable part, and described
The setting parallel to the ground of two movable plates, the 3rd movable plate are arranged at one side of the movable part away from ground hinged end.
3. hold-back device according to claim 2, which is characterized in that the 3rd movable plate is in arc-shaped.
4. hold-back device according to claim 3, which is characterized in that further include pulley；
The pulley is arranged on the 3rd movable plate, and the pulley is connected with the 3rd movable plate, vehicle tyre with
During the 3rd movable plate contact, vehicle tyre for driving the pulley rotation, the pulley for reduce vehicle tyre with
Frictional force between 3rd movable plate, so that the movable part stops that vehicle passes through.
5. hold-back device according to claim 4, which is characterized in that the pulley is provided with multiple；
Multiple pulleys may be contained on the 3rd movable plate.
6. hold-back device according to claim 5, which is characterized in that be provided with to carry on the outer surface of the pulley
The warning tape of awake driver.
7. hold-back device according to claim 2, which is characterized in that be provided with to increase on first movable plate
The anti-sliding/friction portion of force of sliding friction.
8. hold-back device according to claim 1, which is characterized in that the elastic portion could be provided as multiple；
Multiple elastic portions may be contained in the groove, and multiple elastic portions are connected with the movable part.
9. hold-back device according to claim 8, which is characterized in that the elastic portion is arranged to compression spring.
10. a kind of application method of hold-back device, which is characterized in that comprise the following steps：
Step 100 digs fluted on the ground, and elastic portion is installed in groove；
Movable part and ground are hinged by step 200, and elastic portion is connected with movable part, and movable part is made rotatably to be deep into groove
It is interior；
Step 400, vehicle are moved along landing ground hinged end towards movable part direction, and vehicle passes through along the side of movable part, bullet
Property portion shrink so that movable part rotation is deep into groove convenient for vehicle pass-through, after vehicle pass-through, elastic portion ejects movable part
Groove, for use next time；Or vehicle is hinged extreme direction towards ground along movable part and moves, movable part prevents vehicle pass-through.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810064486.3A CN108049337A (en) | 2018-01-23 | 2018-01-23 | Hold-back device and its application method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810064486.3A CN108049337A (en) | 2018-01-23 | 2018-01-23 | Hold-back device and its application method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108049337A true CN108049337A (en) | 2018-05-18 |
Family
ID=62127792
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810064486.3A Pending CN108049337A (en) | 2018-01-23 | 2018-01-23 | Hold-back device and its application method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108049337A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111074814A (en) * | 2020-01-06 | 2020-04-28 | 许钰杰 | Device with early warning function for preventing small vehicle from going backwards |
| CN111608113A (en) * | 2020-04-30 | 2020-09-01 | 南京理工大学 | Roadblock unit for controlling vehicle driving behavior and roadblock device with any combination size |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2608550Y (en) * | 2003-04-09 | 2004-03-31 | 宋有洲 | Single direction automatic safety car arrester |
| JP2011163101A (en) * | 2010-02-10 | 2011-08-25 | Tadashi Yamada | Car stop block with lifting function |
| CN202595673U (en) * | 2012-02-01 | 2012-12-12 | 马晓璐 | Vehicle retrogradation prevention device |
| CN203716078U (en) * | 2014-02-24 | 2014-07-16 | 三峡大学 | Device for preventing vehicle from driving in reverse direction on one-way street in indoor parking area |
| CN204530552U (en) * | 2015-03-24 | 2015-08-05 | 重庆蓝岸通讯技术有限公司 | A kind of device preventing vehicle from driving in the wrong direction |
| CN205046502U (en) * | 2015-08-27 | 2016-02-24 | 晋江市力天机械科技有限公司 | Vehicle hold -back device |
| CN206902615U (en) * | 2017-06-12 | 2018-01-19 | 四川建筑职业技术学院 | It is a kind of to be automatically prevented from the retrograde device of automobile |
| CN208633014U (en) * | 2018-01-23 | 2019-03-22 | 瞿子轩 | Hold-back device |
-
2018
- 2018-01-23 CN CN201810064486.3A patent/CN108049337A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2608550Y (en) * | 2003-04-09 | 2004-03-31 | 宋有洲 | Single direction automatic safety car arrester |
| JP2011163101A (en) * | 2010-02-10 | 2011-08-25 | Tadashi Yamada | Car stop block with lifting function |
| CN202595673U (en) * | 2012-02-01 | 2012-12-12 | 马晓璐 | Vehicle retrogradation prevention device |
| CN203716078U (en) * | 2014-02-24 | 2014-07-16 | 三峡大学 | Device for preventing vehicle from driving in reverse direction on one-way street in indoor parking area |
| CN204530552U (en) * | 2015-03-24 | 2015-08-05 | 重庆蓝岸通讯技术有限公司 | A kind of device preventing vehicle from driving in the wrong direction |
| CN205046502U (en) * | 2015-08-27 | 2016-02-24 | 晋江市力天机械科技有限公司 | Vehicle hold -back device |
| CN206902615U (en) * | 2017-06-12 | 2018-01-19 | 四川建筑职业技术学院 | It is a kind of to be automatically prevented from the retrograde device of automobile |
| CN208633014U (en) * | 2018-01-23 | 2019-03-22 | 瞿子轩 | Hold-back device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111074814A (en) * | 2020-01-06 | 2020-04-28 | 许钰杰 | Device with early warning function for preventing small vehicle from going backwards |
| CN111608113A (en) * | 2020-04-30 | 2020-09-01 | 南京理工大学 | Roadblock unit for controlling vehicle driving behavior and roadblock device with any combination size |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108049337A (en) | Hold-back device and its application method | |
| CN107620269B (en) | Rotary type door leaf mechanism for ticket checking gate | |
| CN105288794B (en) | Cylinder driving mechanism and syringe pump | |
| CN208633014U (en) | Hold-back device | |
| CN203545377U (en) | Machine-room-free one-way speed limiter | |
| CN109910653A (en) | A kind of pure electric automobile charging system | |
| CN105865001A (en) | Hand clamping preventing structure and air conditioner with same | |
| CN107379021B (en) | A kind of robot device | |
| CN204847638U (en) | Telescopic hose | |
| CN106347328A (en) | Protection device for preventing people from stepping on accelerator as brake by mistake and conducting misoperation and use method of protection device | |
| CN108331479A (en) | A kind of sliding window emergency opening system | |
| CN202080297U (en) | Energy absorber for preventing carrier in inclined roadway of coal mine from escaping | |
| CN208668325U (en) | A kind of one-way road anti-vehicle back running device | |
| CN206088671U (en) | Elevator car top emergency exit | |
| CN209659082U (en) | A kind of turbine and worm motor with clutch function | |
| CN205159987U (en) | Bus duct | |
| CN207403716U (en) | A kind of brake executive device | |
| CN211543279U (en) | Overhead rotary type automatic charging component | |
| CN204792068U (en) | Be applied to pure electric vehicles's cabin pencil | |
| CN112573319B (en) | Rope wheel mechanism and speed limiter adopting same | |
| CN209798604U (en) | Vehicle stopping device and anti-rushing system | |
| CN206126544U (en) | Novel ability autotrigger's one -way speed governor | |
| CN203947834U (en) | Motor promotes unpowered rotation turnover car without room parking apparatus | |
| CN205701129U (en) | A kind of front end button switching structure | |
| CN108639172B (en) | Antiwind track drive wheel mechanism based on side guide board |
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 |