CN110485337A - A kind of Intelligent mobile road guard - Google Patents
A kind of Intelligent mobile road guard Download PDFInfo
- Publication number
- CN110485337A CN110485337A CN201910851858.1A CN201910851858A CN110485337A CN 110485337 A CN110485337 A CN 110485337A CN 201910851858 A CN201910851858 A CN 201910851858A CN 110485337 A CN110485337 A CN 110485337A
- Authority
- CN
- China
- Prior art keywords
- fixedly installed
- load
- gear
- bearing
- bottom 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.)
- Granted
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
- E01F15/00—Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact
- E01F15/006—Lane control by movable lane separating barriers, e.g. shiftable barriers, retractable kerbs ; Apparatus or barriers specially adapted therefor, e.g. wheeled barriers
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 discloses a kind of Intelligent mobile road guard, including multiple guard rail supports, load-bearing card lid and bottom plate, and guard rail support lower end is fixedly installed with load-bearing Ka Gai, and load-bearing card lid inner wall is equipped with bottom plate, and bottom plate lower end is fixedly installed with multiple groups universal wheel；Rotational supporting block is fixedly installed with positioned at the two sides load-bearing Ka Gai, rotational supporting block upper end is respectively connected with swingle, rotation gear is fixedly installed on swingle, torsionspring is installed between rotation gear and rotational supporting block, engagement is connected with time rotary drive gear on the outside of rotation gear, engagement is connected with main rotary drive gear on the outside of secondary rotary drive gear, and main rotary drive gear lower end is fixedly installed with buffer roller；By adjusting the position of guard rail support, the flexible lane width for increasing the relatively more flow road of vehicle improves city lane utilization ratio, mitigates traffic pressure；Buffer roller rotates simultaneously, improves buffer roller to the buffer capacity for hitting automobile using torsionspring distortion power.
Description
Technical field
The present invention relates to road guard field, specifically a kind of Intelligent mobile road guard.
Background technique
With the continuous development of society, the vehicle on highway increases sharply, traffic jam phenomenon frequent occurrence, wherein mostly
Be because peak traffic flow on and off duty is concentrated caused by, go to work peak when, lead to the crowded blocking in down town side lane, and come off duty
When the then crowded blocking in opposite direction lane, at present mostly road guard be to be fixedly placed in road center position, it is mostly fixed
Guardrail, immovable position are unable to the crowded blockage problem of solving road, make troubles to people's trip.
Summary of the invention
The purpose of the present invention is to provide a kind of Intelligent mobile road guards, by adjusting the position of guard rail support, spirit
The lane width for increasing the relatively more flow road of vehicle living, improves city lane utilization ratio, mitigates traffic pressure；Buffering rolling
Cylinder rotation improves buffer roller to the buffer capacity for hitting automobile simultaneously, using torsionspring distortion power.
The purpose of the present invention can be achieved through the following technical solutions:
A kind of Intelligent mobile road guard, including multiple guard rail supports, load-bearing card lid and bottom plate, under the guard rail support
End is fixedly installed with load-bearing Ka Gai, and load-bearing card lid inner wall is equipped with the bottom plate moved along up and down direction, and bottom plate upper end is fixed
Multiple cylinders are installed, the telescopic end of cylinder covers end with load-bearing card and is fixedly connected, and it is universal that bottom plate lower end is fixedly installed with multiple groups
Wheel.
The rotational supporting block of array distribution is fixedly installed with positioned at the two sides the load-bearing Ka Gai, rotational supporting block upper end turns
It is dynamic to be connected with swingle, it is fixedly installed with rotation gear on swingle, rotates and torsion is installed between gear and rotational supporting block
Spring, torsionspring both ends are fixedly connected with rotation gear and rotational supporting block respectively, while torsionspring covers on swingle.
Engagement is connected with time rotary drive gear on the outside of the rotation gear, and engagement is connected on the outside of secondary rotary drive gear
Main rotary drive gear, main rotary drive gear lower end are fixedly installed with buffer roller.
Further, the universal wheel rotating shaft upper end at the bottom plate both ends is fixedly installed with steering shaft, steering shaft
On be fixedly installed with tooth sector, driving gear is installed between the tooth sector of bottom plate same side, wherein driving gear
It engages and connect with tooth sector, drive and drive shaft is fixedly mounted on gear, wherein drive shaft upper end is fixedly installed with time driving
Gear, the engagement of secondary driving gear outside are connected with main driving gear, and main driving gear is fixedly connected with the output shaft of driving motor.
The drive shaft and bottom plate upper end are rotatablely connected.
The bottom plate upper end is fixedly installed with motor supporting base, and wherein driving motor is fixedly mounted on motor supporting base
End.
Further, the guard rail support inner wall is fixedly installed with steel wire.
Further, obstruction bracket is installed between the adjacent guard rail support, wherein stopping bracket includes a pair of of installation
Frame and multiple ropes, wherein rope is mounted between mounting rack, and rope ends are fixedly connected between corresponding mounting rack respectively.
Further, the two sides the load-bearing Ka Gai are fixedly installed with the mounting blocks with jack, and wherein mounting rack lower end is solid
Dingan County is equipped with bolt.
Further, the two sides load-bearing Ka Gai positioned at the secondary rotary drive gear or main rotary drive gear upper end are solid
Dingan County is equipped with fixing seat, wherein secondary rotary drive gear and main rotary drive gear pass through shaft and fixing seat is rotatablely connected.
Further, the swingle upper end is fixedly installed with torsion block, wherein being provided on torsion block symmetrical
Lacing hole, while symmetrical buffing pad is fixedly mounted in the two sides load-bearing Ka Gai, is equipped with buffer spring on the inside of buffing pad, buffers
Spring one end is fixedly installed with sliding shoe, and wherein sliding shoe is equipped with steel wire between sliding shoe along load-bearing card lid side walls
Rope, wherein steel wire cable both ends are fixedly connected with sliding shoe respectively, and the steel wire cable between sliding shoe is successively from torsion
Any lacing hole of block is penetrated to be pierced by from another lacing hole.
Beneficial effects of the present invention:
1, the present invention is by the position of adjusting guard rail support, and flexibly the lane of the relatively more flow road of increase vehicle is wide
Degree improves city lane utilization ratio, mitigates traffic pressure；
2, the present invention is by being adjusted universal wheel rotational angle, and when external force pushes guard rail support, realization adjusts guardrail
Bracket displacement；
3, when extraneous Vehicular impact to guard rail support, extraneous vehicle is in contact the present invention with buffer roller, due to tangential
Power effect, buffer roller rotates at this time, and the buffer roller of rotation rotates rotary teeth wheel by motion transmission, the rotation of rotary teeth wheel
So that torsionspring is twisted, and then improves buffer roller to the buffer capacity for hitting automobile；
4, the present invention is while the rotation of rotary teeth wheel makes torsionspring twist to improve buffer roller buffer capacity, rotation
Bar rotation carries out steel wire cable to wrap up in volume by the torsion block of upper end, and the steel wire cable for wrapping up in volume is drawn in buffer spring, thus
Buffer roller is further increased to the buffer capacity for hitting automobile.
Detailed description of the invention
The present invention will be further described below with reference to the drawings.
Fig. 1 is Intelligent mobile road guard structural schematic diagram of the present invention；
Fig. 2 is exploded structural schematic diagram of the present invention；
Fig. 3 is partial structural diagram of the present invention；
Fig. 4 is enlarged structure schematic diagram at A of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts all other
Embodiment shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that, term " aperture ", "upper", "lower", " thickness ", "top", " in ",
Indicating positions or the positional relationship such as " length ", "inner", " surrounding ", are merely for convenience of description of the present invention and simplification of the description, without
It is that the component of indication or suggestion meaning or element must have a particular orientation, is constructed and operated in a specific orientation, therefore not
It can be interpreted as limitation of the present invention.
As shown in figures 1 and 3, a kind of Intelligent mobile road guard, including multiple guard rail supports 1, load-bearing card lid 2 and bottom
Plate 3,1 lower end of guard rail support be fixedly installed with load-bearing card lid 2, and 2 inner wall of load-bearing card lid is equipped with to be moved along up and down direction
Bottom plate 3,3 upper end of bottom plate are fixedly installed with multiple cylinders 31, and the telescopic end of cylinder 31 is fixedly connected with 2 upper end of load-bearing card lid, bottom
3 lower end of plate is fixedly installed with multiple groups universal wheel 4；In use, guard rail support 1 is placed on road center position, road is divided
Two channels are cut into, load-bearing card lid 2 makes guard rail support 1 be overlapped on road upper end due to self gravity factor at this time, passes through load-bearing card
2 self gravity of lid allows guard rail support 1 is stable to be placed on road, when needing to move guard rail support 1, opens
It takes offence cylinder 31, the telescopic rod of cylinder 31 holds up upper end load-bearing card lid 2, until using universal wheel 4 to whole device progress
It holds up, by universal wheel 4, the external world pushes guard rail support 1 to be moved, and then adjusts the position of guard rail support 1, can be flexible
Increase the lane width of the relatively more flow road of vehicle, improve city lane utilization ratio, mitigates traffic pressure.
The shaft upper end of universal wheel 4 is fixedly installed with steering shaft 41, fixed peace in steering shaft 41 at 3 both ends of bottom plate
Equipped with tooth sector 42, driving gear 43 is installed between the tooth sector 42 of 3 same side of bottom plate, wherein driving gear 43
Connection is engaged with tooth sector 42, drives and drive shaft 44 is fixedly mounted on gear 43, wherein 44 upper end of drive shaft is fixedly mounted
There is time driving gear 45, engagement is connected with main driving gear 46, main driving gear 46 and driving motor on the outside of secondary driving gear 45
47 output shaft is fixedly connected.
In use, starting driving motor 47, the output end of driving motor 47 drives main driving gear 46 to rotate, and passes through movement
Transmitting is further driven to the shaft rotation of lower end universal wheel 4, realizes and adjust to 4 rotational angle of universal wheel, 31 telescopic rod pair of cylinder
When the load-bearing card lid 2 of upper end is held up, external force pushes guard rail support 1, by 3 lower end universal wheel of regulating base board, 4 rotational angle,
It further realizes and adjusts 1 direction of motion of guard rail support.
Above-mentioned drive shaft 44 is rotatablely connected with 3 upper end of bottom plate.
3 upper end of bottom plate is fixedly installed with motor supporting base 32, and wherein driving motor 47 is fixedly mounted on motor supporting base 32
Upper end.
1 inner wall of guard rail support is fixedly installed with steel wire 11, avoids passerby from arbitrarily penetrating by steel wire 11.
Bracket 12 is stopped as shown in Fig. 2, being equipped between adjacent barrier bracket 1, wherein stopping bracket 12 includes a pair of of peace
Shelve 121 and multiple ropes 122, wherein rope 122 is mounted between mounting rack 121,122 both ends of rope respectively with corresponding peace
It shelves and is fixedly connected between 121；Gap between adjacent barrier bracket 1 is intercepted by rope 122, avoids passerby random
It penetrates.
Above-mentioned 2 two sides of load-bearing card lid are fixedly installed with the mounting blocks 21 with jack, wherein the fixed peace in 121 lower end of mounting rack
Equipped with bolt 123；It is plugged in the jack of mounting blocks 21 in use, stopping bracket 12 by bolt 123, realization will stop bracket
12 are mounted between adjacent barrier bracket 1, while by simple plug-in type, splitting out convenient for the later period and stopping bracket 12, while
Convenient for adjacent 1 quick separating of guard rail support.
As shown in figure 4, it is located at the rotational supporting block 22 that 2 two sides of load-bearing card lid are fixedly installed with array distribution, rotation support
22 upper end of block is rotatably connected to swingle 5, and rotation gear 51, rotation gear 51 and rotation branch are fixedly installed on swingle 5
Torsionspring 52 is installed, 52 both ends of torsionspring are fixed with rotation gear 51 and rotational supporting block 22 respectively to be connected between bracer 22
It connects, while 52 sets of torsionspring on swingle 5.
Engagement is connected with time rotary drive gear 53 on the outside of rotation gear 51, engages connection on the outside of secondary rotary drive gear 53
There is main rotary drive gear 54, main 54 lower end of rotary drive gear is fixedly installed with buffer roller 55；In use, when extraneous vehicle
When hitting to guard rail support 1, extraneous vehicle is in contact with buffer roller 55, due to tangential force effect, 55 turns of buffer roller at this time
Dynamic, the buffer roller 55 of rotation makes to rotate the rotation of gear 51 by motion transmission, and the rotation rotation of gear 51 sends out torsionspring 52
Raw torsion, and then improve the buffer capacity of 55 pairs of shock automobiles of buffer roller.
2 two sides of load-bearing card lid positioned at 54 upper end of secondary rotary drive gear 53 or main rotary drive gear are fixedly installed with
Fixing seat 23, wherein secondary rotary drive gear 53 and main rotary drive gear 54 are rotatablely connected by shaft and fixing seat 23；
It is realized by shaft and rotary drive gear 43 and main rotary drive gear 54 is supported.
5 upper end of swingle is fixedly installed with torsion block 56, wherein being provided with symmetrical lacing hole on torsion block 56
561, while symmetrical buffing pad 24 is fixedly mounted in 2 two sides of load-bearing card lid, is equipped with buffer spring 25 on the inside of buffing pad 24,
25 one end of buffer spring is fixedly installed with sliding shoe 26, and wherein sliding shoe 26 is along 2 side walls of load-bearing card lid, sliding shoe 26 it
Between steel wire cable 6 is installed, wherein 6 both ends of steel wire cable are fixedly connected with sliding shoe 26 respectively, between sliding shoe 26
Steel wire cable 6 is successively penetrated from another lacing hole 561 from any lacing hole 561 of torsion block 56 and is pierced by.
In use, the rotation rotation of gear 51 makes torsionspring 52 twist when extraneous Vehicular impact to guard rail support 1
While improving 55 buffer capacity of buffer roller, the rotation of swingle 5 wraps up in steel wire cable 6 by the torsion block 56 of upper end
Volume wraps up in the steel wire cable 6 of volume since buffer spring 25 is drawn, to further increase the buffering of 55 pairs of shock automobiles of buffer roller
Ability.
In the description of this specification, the description of reference term " one embodiment ", " example ", " specific example " etc. means
Particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least one implementation of the invention
In example or example.In the present specification, schematic expression of the above terms may not refer to the same embodiment or example.
Moreover, particular features, structures, materials, or characteristics described can be in any one or more of the embodiments or examples to close
Suitable mode combines.
The basic principles, main features and advantages of the present invention have been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.
Claims (7)
1. a kind of Intelligent mobile road guard, including multiple guard rail supports (1), load-bearing Ka Gai (2) and bottom plate (3), feature
It is, guard rail support (1) lower end is fixedly installed with load-bearing Ka Gai (2), and load-bearing Ka Gai (2) inner wall is equipped with along upper and lower
The bottom plate (3) of direction movement, bottom plate (3) upper end are fixedly installed with multiple cylinders (31), the telescopic end and load-bearing card of cylinder (31)
Lid (2) upper end is fixedly connected, and bottom plate (3) lower end is fixedly installed with multiple groups universal wheel (4)；
The rotational supporting block (22) of array distribution, rotational supporting block (22) are fixedly installed with positioned at load-bearing Ka Gai (2) two sides
Upper end is rotatably connected to swingle (5), and rotation gear (51), rotation gear (51) and rotation are fixedly installed on swingle (5)
Turn to be equipped between supporting block (22) torsionspring (52), torsionspring (52) both ends are propped up with rotation gear (51) and rotation respectively
Bracer (22) is fixedly connected, while torsionspring (52) covers on swingle (5)；
Engagement is connected with time rotary drive gear (53) on the outside of the rotation gear (51), nibbles on the outside of secondary rotary drive gear (53)
Conjunction is connected with main rotary drive gear (54), and main rotary drive gear (54) lower end is fixedly installed with buffer roller (55).
2. a kind of Intelligent mobile road guard according to claim 1, which is characterized in that be located at the bottom plate (3) two
Universal wheel (4) shaft upper end at end is fixedly installed with steering shaft (41), and steering shaft is fixedly installed with tooth sector on (41)
(42), positioned at bottom plate (3) same side tooth sector (42) between be equipped with driving gear (43), wherein driving gear (43) with
Tooth sector (42) engages connection, drive shaft (44) is fixedly mounted in driving gear (43), wherein drive shaft (44) upper end is solid
Dingan County is connected with main driving gear (46), main driving gear equipped with time driving gear (45), the engagement of secondary driving gear (45) outside
(46) it is fixedly connected with the output shaft of driving motor (47)；
The drive shaft (44) and bottom plate (3) upper end are rotatablely connected；
Bottom plate (3) upper end is fixedly installed with motor supporting base (32), and wherein driving motor (47) is fixedly mounted on motor branch
Support seat (32) upper end.
3. a kind of Intelligent mobile road guard according to claim 2, which is characterized in that in the guard rail support (1)
Wall is fixedly installed with steel wire (11).
4. a kind of Intelligent mobile road guard according to claim 3, which is characterized in that the adjacent guard rail support
(1) it is equipped between and stops bracket (12), wherein stopping bracket (12) includes a pair of of mounting rack (121) and multiple ropes (122),
Wherein rope (122) is mounted between mounting rack (121), and rope (122) both ends are solid between corresponding mounting rack (121) respectively
Fixed connection.
5. a kind of Intelligent mobile road guard according to claim 4, which is characterized in that the load-bearing Ka Gai (2) two
Side is fixedly installed with the mounting blocks (21) with jack, and wherein mounting rack (121) lower end is fixedly installed with bolt (123).
6. a kind of Intelligent mobile road guard according to claim 5, which is characterized in that be located at described rotation driving
Load-bearing Ka Gai (2) two sides of gear (53) or main rotary drive gear (54) upper end are fixedly installed with fixing seat (23), wherein
Secondary rotary drive gear (53) and main rotary drive gear (54) are rotatablely connected by shaft and fixing seat (23).
7. -6 any a kind of Intelligent mobile road guard according to claim 1, which is characterized in that the swingle
(5) upper end is fixedly installed with torsion block (56), wherein being provided with symmetrical lacing hole (561) in torsion block (56), simultaneously
Load-bearing Ka Gai (2) two sides are fixedly mounted symmetrical buffing pad (24), are equipped with buffer spring (25) on the inside of buffing pad (24),
Buffer spring (25) one end is fixedly installed with sliding shoe (26), and wherein sliding shoe (26) is sliding along load-bearing Ka Gai (2) side walls
Steel wire cable (6) are installed, wherein steel wire cable (6) both ends are fixedly connected with sliding shoe (26) respectively, position between motion block (26)
Steel wire cable (6) between sliding shoe (26), which is successively penetrated from any lacing hole (561) of torsion block (56) from another, to be worn
Cord hole (561) is pierced by.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910851858.1A CN110485337B (en) | 2019-09-10 | 2019-09-10 | Intelligent movement formula road guardrail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910851858.1A CN110485337B (en) | 2019-09-10 | 2019-09-10 | Intelligent movement formula road guardrail |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110485337A true CN110485337A (en) | 2019-11-22 |
| CN110485337B CN110485337B (en) | 2021-01-08 |
Family
ID=68557130
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910851858.1A Active CN110485337B (en) | 2019-09-10 | 2019-09-10 | Intelligent movement formula road guardrail |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110485337B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113047165A (en) * | 2021-03-24 | 2021-06-29 | 华东交通大学 | Bridge guardrail |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4407484A (en) * | 1981-11-16 | 1983-10-04 | Meinco Mfg. Co. | Impact energy absorber |
| CN107178051A (en) * | 2017-06-22 | 2017-09-19 | 南京蓝泰交通设施有限责任公司 | The intelligent movable isolation guard bar system and its control method in a kind of suitable tide track |
| CN208668335U (en) * | 2018-08-06 | 2019-03-29 | 嘉兴市春秋园林景观绿化工程有限公司 | A kind of anticollision isolated column |
| CN110067196A (en) * | 2019-05-22 | 2019-07-30 | 江苏建筑职业技术学院 | A kind of Collison fence for bridge with buffer structure |
-
2019
- 2019-09-10 CN CN201910851858.1A patent/CN110485337B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4407484A (en) * | 1981-11-16 | 1983-10-04 | Meinco Mfg. Co. | Impact energy absorber |
| CN107178051A (en) * | 2017-06-22 | 2017-09-19 | 南京蓝泰交通设施有限责任公司 | The intelligent movable isolation guard bar system and its control method in a kind of suitable tide track |
| CN208668335U (en) * | 2018-08-06 | 2019-03-29 | 嘉兴市春秋园林景观绿化工程有限公司 | A kind of anticollision isolated column |
| CN110067196A (en) * | 2019-05-22 | 2019-07-30 | 江苏建筑职业技术学院 | A kind of Collison fence for bridge with buffer structure |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113047165A (en) * | 2021-03-24 | 2021-06-29 | 华东交通大学 | Bridge guardrail |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110485337B (en) | 2021-01-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20070144360A1 (en) | Multiple press with adjustable spacings | |
| CN110485337A (en) | A kind of Intelligent mobile road guard | |
| CN209066971U (en) | A kind of bilayer non-avoidance three-dimensional parking garage | |
| CN111762225A (en) | Gravity type vehicle anti-running device for railway arrival and departure line | |
| CN109853412B (en) | Anti-reverse running belt for road lifting warning | |
| CN208950394U (en) | A kind of stereo parking facility | |
| CN205975404U (en) | Road limit for height door | |
| CN211687850U (en) | Guide wheel installation adjusting device | |
| CN214195862U (en) | Rail guard is used in elevartor shaft construction in room | |
| JP3951250B2 (en) | Lane separation unit, its components and mobile lane separation device | |
| CN205975416U (en) | Centrally -mounted barrier gate core | |
| CN109468901B (en) | Prevent deceleration strip that moves backwards | |
| CN102070082B (en) | Double-friction drive device | |
| CN220598283U (en) | Safe type separates decelerator | |
| CN217760312U (en) | Novel transverse moving vehicle | |
| CN220979052U (en) | Rail guard for construction | |
| CN217267105U (en) | Road speed reducer for traffic engineering | |
| CN2608619Y (en) | Garage lateral moving and lateral sliding system | |
| CN211647512U (en) | Multifunctional anti-theft device for garage | |
| CN2581487Y (en) | Electric guard fence machine of automobile | |
| CN219240368U (en) | Gate based on ultra-system | |
| CN219569791U (en) | Road protection rescue device | |
| CN217623303U (en) | Road rescue car anti-jolt mechanism | |
| CN108979241A (en) | A kind of lodging formula double-deck parking device | |
| CN211470445U (en) | Roller guide shoe for home elevator |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |