CN112627079A - Vehicle restriction device of highway bridge - Google Patents

Vehicle restriction device of highway bridge Download PDF

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Publication number
CN112627079A
CN112627079A CN202011515992.3A CN202011515992A CN112627079A CN 112627079 A CN112627079 A CN 112627079A CN 202011515992 A CN202011515992 A CN 202011515992A CN 112627079 A CN112627079 A CN 112627079A
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CN
China
Prior art keywords
plate
lead screw
motor
road
block
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
Application number
CN202011515992.3A
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Chinese (zh)
Inventor
杨少军
吕琴琴
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tongcheng Local Highway Administration Bureau
Hefei University
Original Assignee
Tongcheng Local Highway Administration Bureau
Hefei University
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Tongcheng Local Highway Administration Bureau, Hefei University filed Critical Tongcheng Local Highway Administration Bureau
Priority to CN202011515992.3A priority Critical patent/CN112627079A/en
Publication of CN112627079A publication Critical patent/CN112627079A/en
Pending legal-status Critical Current

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    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01FADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F13/00Arrangements for obstructing or restricting traffic, e.g. gates, barricades ; Preventing passage of vehicles of selected category or dimensions
    • E01F13/04Arrangements for obstructing or restricting traffic, e.g. gates, barricades ; Preventing passage of vehicles of selected category or dimensions movable to allow or prevent passage
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01FADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F13/00Arrangements for obstructing or restricting traffic, e.g. gates, barricades ; Preventing passage of vehicles of selected category or dimensions
    • E01F13/04Arrangements for obstructing or restricting traffic, e.g. gates, barricades ; Preventing passage of vehicles of selected category or dimensions movable to allow or prevent passage
    • E01F13/048Arrangements for obstructing or restricting traffic, e.g. gates, barricades ; Preventing passage of vehicles of selected category or dimensions movable to allow or prevent passage with obstructing members moving in a translatory motion, e.g. vertical lift barriers, sliding gates
    • GPHYSICS
    • G08SIGNALLING
    • G08GTRAFFIC CONTROL SYSTEMS
    • G08G1/00Traffic control systems for road vehicles
    • G08G1/09Arrangements for giving variable traffic instructions
    • GPHYSICS
    • G08SIGNALLING
    • G08GTRAFFIC CONTROL SYSTEMS
    • G08G1/00Traffic control systems for road vehicles
    • G08G1/09Arrangements for giving variable traffic instructions
    • G08G1/095Traffic lights
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/34Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
    • H02J7/35Parallel operation in networks using both storage and other dc sources, e.g. providing buffering with light sensitive cells

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Power Engineering (AREA)
  • Road Signs Or Road Markings (AREA)

Abstract

The invention discloses a vehicle traffic control device for a highway bridge, and relates to the technical field of road device arrangement. The bottom plate, the fixed block, the curb plate, the bottom plate top is connected with the bearing plate through the elasticity post, both sides are connected with hang plate one end around the bearing plate, the hang plate other end is connected with the bottom plate, bottom plate central authorities are provided with the centre block, centre block bilateral symmetry has the second lead screw, the second lead screw is connected with the third motor, the curb plate top is provided with the roof, the diaphragm upper end is provided with the protection piece, first motor output shaft is connected with the first lead screw of protection piece upper end, pass the second slider on the first lead screw and rotate with the roof bottom and be connected, connect through the limit for height board between the second slider of both sides. The invention overcomes the defects of the prior art, can adjust the height limit according to the actual requirement, can adjust the one-way or two-way limit of the road, is convenient to use and has high safety.

Description

Vehicle restriction device of highway bridge
Technical Field
The invention relates to the technical field of road device arrangement, in particular to a vehicle traffic control device for a highway bridge.
Background
Along with the development of the times, various transportation modes are abundant, the daily travel of people is greatly facilitated, different restriction regulations exist for different transportation tools due to the fact that the transportation tools are various, the height of corresponding vehicles can be restricted on certain roads and bridges generally, the height restriction conditions of certain road sections even at different time ends are different, and therefore vehicle restriction devices are required to be installed on the roads or bridges.
General vehicle restriction device directly adopts both sides to establish branch mostly, central authorities connect the limit for height pole and come the symmetry to carry out the limit for height and restrict the line, but this kind of restriction device is inconvenient to be adjusted, simultaneously also be inconvenient for driver's observation of traveling night, have certain potential safety hazard, application No. CN 202010296775.3's "a vehicle restriction device for bridge engineering" is convenient to adjust the restriction height through devices such as slider, lead screw motor, lead screw, simultaneously through parts such as illumination lamp plate, illumination lamp pearl conveniently observe, but not only have the condition of limit for height at the road restriction in-process, sometimes need restrict the unilateral of road, generally adopt artifical prevention road blocking device mostly under this kind of condition, troublesome poeration and not nimble, the restriction of giving actual road has brought great trouble.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the vehicle restriction device for the highway bridge, which can adjust the height restriction according to the actual requirement, can adjust the one-way or two-way restriction of the road, is convenient to use and has high safety.
In order to achieve the purpose, the invention adopts the following technical scheme:
a vehicle traffic limiting device for a highway bridge comprises a bottom plate, fixed blocks symmetrically arranged on two sides of the bottom plate and side plates fixed on the outer side of the upper part of the fixed blocks, wherein the center of the upper part of the bottom plate is connected with a bearing plate through a plurality of elastic columns, two sides of the bearing plate are in sliding connection with the inner side of the fixed blocks, the front side and the rear side of the bearing plate are connected with one end of an inclined plate, the other end of the inclined plate is connected with the bottom plate, a central block is arranged in the center of the bottom plate, the upper end of the central block is connected with the bottom of the bearing plate through a first elastic piece, the front end and the rear end of each of the two sides of the central block are symmetrically and rotatably connected with one end of a second lead screw, the other end of the second lead screw is rotatably connected with the inner side of the fixed block, the second lead screw penetrates through, the front end and the rear end of two sides of the bearing plate are respectively provided with a through groove, the upper end of the first sliding block is fixedly connected with a bearing rod, the bearing rod passes through the through groove to be connected with a connecting rod at the upper end, the upper end of the connecting rod at the same side is connected with a limiting plate, the limiting plate is connected with a side plate through a telescopic railing, the top of the limiting plate is connected with the bottom of the transverse plate in a sliding way, the transverse plate is connected with the side plate at one side, the top of the side plate is internally provided with a top plate, the upper end of the transverse plate is provided with a protective block, a first motor is arranged inside the protective block, the output shaft of the first motor is connected with a first lead screw at the upper end of the protective block, the upper end of the first lead screw passes through the second sliding block to be connected with, the solar panel is arranged at the upper end of the top plate and is electrically connected with the first motor and the third motor.
Preferably, a display screen is arranged above the center of the height limiting plate and electrically connected with the solar panel.
Preferably, limit for height board top one side is provided with the signal lamp, and limit for height board below is provided with the inductor, inductor and signal lamp signal connection, and inductor and signal lamp and solar energy electroplax electric connection.
Preferably, the top plate is provided with a second motor, an output shaft of the second motor is connected with the bottom of the solar electric plate, the solar electric plate and the horizontal line form an included angle, and the solar electric plate is electrically connected with the second motor.
Preferably, the diaphragm is kept away from curb plate one side bottom central authorities and has been seted up the spout, and the limiting plate upper end inserts spout and spout top sliding connection, and limiting plate top one side is connected through the fourth elastic component with the spout inboard.
Preferably, the top end of the limiting plate is provided with a second ball, and the second ball is in rolling connection with the top of the sliding groove.
Preferably, one end, close to the side plate, of the second sliding block is provided with a plurality of first balls, and the first balls are in rolling connection with the side plate.
Preferably, the lower end of the outer side of the fixing block is connected with a fixing plate, and the fixing plate is fixed with the ground through a fixing screw.
Preferably, the center of the outer side of the side plate is provided with a back plate, and the back plate is connected with the fixing plate through a plurality of reinforcing ribs.
Preferably, the slot has been seted up to the fixed block inboard, the bearing plate both ends are provided with the picture peg, inside the picture peg inserted the slot, and the picture peg upper end is connected through a plurality of third elastic components with the slot top, and the picture peg lower extreme is connected through a plurality of second elastic components with the slot bottom.
Compared with the prior art, the invention provides a vehicle traffic control device for a highway bridge, which has the following beneficial effects:
1. the bottom plate, the bearing plate and the inclined plate are arranged, so that the speed of weighing can be limited conveniently, the safety is improved, and meanwhile, the height limit height of the device can be effectively adjusted through the arrangement of the protection block, the first motor, the first lead screw, the height limit plate and the second slide block, so that the device is convenient to use under different conditions;
2. the two sides of a road or a bridge can be restricted by arranging a limiting plate, a central block, a second lead screw, a first sliding block, a connecting rod, a bearing rod, a through groove, a fourth elastic piece, a telescopic railing, a second ball and a sliding groove, the purpose of one-way restriction or two-way restriction is achieved by adjusting the position of the limiting plate, and convenience of restriction is improved;
3. the setting through display screen, inductor, signal lamp can make things convenient for navigating mate in time to observe the condition of limit for height, limit for to, promotes the security.
Drawings
FIG. 1 is a schematic front sectional view of the present invention;
FIG. 2 is a front sectional view of a first connecting portion according to the present invention;
FIG. 3 is a schematic front sectional view of a third connecting portion according to the present invention;
FIG. 4 is a schematic front sectional view of a second connecting portion according to the present invention;
FIG. 5 is a schematic side view of the solar panel of the present invention;
FIG. 6 is a schematic side sectional view of a first connecting portion according to the present invention;
fig. 7 is a schematic top cross-sectional view of the first connecting portion according to the present invention.
In the figure: 1 bottom plate, 2 fixed blocks, 3 side plates, 4 bearing plates, 5 first connecting parts, 6 limit plates, 7 second connecting parts, 8 protective blocks, 9 first motors, 10 first lead screws, 11 third connecting parts, 12 solar electric plates, 13 height limit plates, 14 display screens, 15 sensors, 16 signal lamps, 17 fixed plates, 18 fixed screws, 19 back plates, 20 reinforcing ribs, 21 center blocks, 22 second lead screws, 23 elastic columns, 24 first elastic parts, 25 top plates, 26 second motors, 27 first sliding blocks, 28 connecting rods, 29 bearing rods, 30 slots, 31 insertion plates, 32 second elastic parts, 33 third elastic parts, 34 third motors, 35 through grooves, 36 inclined plates, 37 second sliding blocks, 38 first balls, transverse plates, 40 fourth elastic parts, 41 telescopic railings, 42 second balls and 43 sliding grooves.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Example 1:
referring to fig. 1 to 7, a vehicle traffic control device for a road bridge comprises a base plate 1, fixing blocks 2 symmetrically arranged at both sides of the base plate 1, and side plates 3 fixed at the outer sides of the upper sides of the fixing blocks 2, wherein the center of the upper side of the base plate 1 is connected with a pressure bearing plate 4 through a plurality of elastic columns 23, both sides of the pressure bearing plate 4 are slidably connected with the inner sides of the fixing blocks 2, the front and rear sides of the pressure bearing plate 4 are connected with one end of an inclined plate 36, the other end of the inclined plate 36 is connected with the base plate 1, the center of the base plate 1 is provided with a center block 21, the upper end of the center block 21 is connected with the bottom of the pressure bearing plate 4 through a first elastic member 24, both the front and rear ends of both sides of the center block 21 are symmetrically and rotatably connected with one end of a second lead screw 22, the, the second lead screw 22 penetrates through the first slide block 27 and is in threaded connection with the first slide block 27, the bottom of the first slide block 27 is in sliding connection with the upper end of the bottom plate 1, through grooves 35 are formed in the front end and the rear end of each of two sides of the bearing plate 4, the upper end of the first slide block 27 is fixedly connected with the receiving rod 29, the receiving rod 29 penetrates through the through grooves 35 to be connected with the connecting rod 28 at the upper end, the upper ends of the connecting rods 28 at the same side are connected through the limiting plate 6, the limiting plate 6 is connected with the side plate 3 through the telescopic rail 41, the top of the limiting plate 6 is in sliding connection with the bottom of the transverse plate 39, the transverse plate 39 is connected with the side plate 3 at one side, the top end of the side plate 3 is provided with the top plate 25, the upper end of the transverse plate 39 is provided with the protection block 8, the first motor 9 is arranged inside the protection block 8, the output shaft of the, the first lead screw 10 is in threaded connection with the second sliding block 37, the second sliding block 37 is in sliding connection with the inner side of the side plate 3, the second sliding blocks 37 on the two sides are connected through the height limiting plate 13, the solar panel 12 is arranged at the upper end of the top plate 25, and the solar panel 12 is electrically connected with the first motor 9 and the third motor 34.
Example 2:
as shown in fig. 1 to 7, this embodiment is substantially the same as embodiment 1, and preferably, a display screen 14 is disposed above the center of the height limiting plate 13, and the display screen 14 is electrically connected to the solar panel 12. The height limiting condition and the direction limiting condition are conveniently displayed through the display screen.
In order to provide a vehicle passing condition in time, preferably, a signal lamp 16 is arranged on one side above the height limiting plate 13, an inductor 15 is arranged below the height limiting plate 13, the inductor 15 is in signal connection with the signal lamp 16, and the inductor 15 and the signal lamp are electrically connected with the solar panel 12.
Example 3:
as shown in fig. 1-7, in this embodiment, basically the same as in embodiment 1, preferably, a second motor 26 is disposed above the top plate 25, an output shaft of the second motor 26 is connected to the bottom of the solar panel 12, the solar panel 12 forms an angle of 45 ° with the horizontal line, and the solar panel 12 is electrically connected to the second motor 26. The efficiency of the solar panel 12 for absorbing energy can be effectively improved.
Example 4:
as shown in fig. 1 to 7, in this embodiment, basically the same as embodiment 1, preferably, the transverse plate 39 is provided with a sliding slot 43 at the bottom center of the side away from the side plate 3, the upper end of the limiting plate 6 is inserted into the sliding slot 43 to be slidably connected with the top of the sliding slot 43, and the top side of the limiting plate 6 is connected with the inner side of the sliding slot 43 through the fourth elastic element 40. In order to improve the stability of the movement of the restriction plate 6.
In order to improve the smoothness of the movement of the limit plate 6, preferably, the top end of the limit plate 6 is provided with a second ball 42, and the second ball 42 is in rolling connection with the top of the chute 43.
In order to improve the smoothness of the up-and-down sliding of the second slider 37, preferably, a plurality of first balls 38 are arranged at one end of the second slider 37 close to the side plate 3, and the first balls 38 are connected with the side plate 3 in a rolling manner.
Example 5:
as shown in fig. 1 to 7, this embodiment is substantially the same as embodiment 1, and preferably, a fixing plate 17 is connected to the lower end of the outer side of the fixing block 2, and the fixing plate 17 is fixed to the ground by a fixing screw 18. In order to improve the stability of the device.
In order to further improve the stability of the device, it is preferable that a back plate 19 is disposed at the center of the outer side of the side plate 3, and the back plate 19 is connected to the fixing plate 17 through a plurality of ribs 20.
In order to prevent the pressure bearing plate 4 from deviating, preferably, the slot 30 has been seted up to the fixed block 2 inboard, pressure bearing plate 4 both ends are provided with picture peg 31, inside picture peg 31 inserted the slot 30, and picture peg 31 upper end was connected through a plurality of third elastic component 33 with the slot 30 top, and picture peg 31 lower extreme is connected through a plurality of second elastic component 32 with the slot 30 bottom.
The working principle is as follows: install the device to road or bridge during the use, after rising limit for height board 13 to required height through first motor 9 according to the demand, show the high notice navigating mate of limit for height through display screen 14, the condition of passing through of vehicle is responded to through inductor 15 simultaneously, red light in signal lamp 16 is bright when the vehicle is passing through, green light is bright when no weighing passes through, simultaneously when restricting the line to the both sides of road, only need adjust the position of limiting plate 6 through third motor 34, reach the blockade totally or half on road surface, with the purpose that reaches the restriction.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims (10)

1. The utility model provides a vehicle restriction device of public road bridge roof beam, includes bottom plate (1), fixed block (2) and fixed curb plate (3) in the fixed block (2) top outside that bottom plate (1) bilateral symmetry set up, its characterized in that, bottom plate (1) top central authorities are connected with bearing plate (4) through a plurality of elasticity post (23), and bearing plate (4) both sides and fixed block (2) inboard sliding connection, both sides are connected with hang plate (36) one end around bearing plate (4), and the hang plate (36) other end is connected with bottom plate (1), bottom plate (1) central authorities are provided with center block (21), and center block (21) upper end is connected with bearing plate (4) bottom through first elastic component (24), and center block (21) both ends are all connected with second lead screw (22) one end in the symmetrical rotation around both sides, the second lead screw (22) other end rotates with fixed block (2) inboard and is connected, and the second lead screw (22) passes through the fixed block (2) and is connected with the output shaft of the internal third motor (34), the second lead screw (22) runs through the first slide block (27) and is connected with the first slide block (27) by screw thread, the bottom of the first slide block (27) is connected with the upper end of the bottom plate (1) in a sliding way, the front and the rear ends of the two sides of the bearing plate (4) are provided with through grooves (35), the upper end of the first slide block (27) is fixedly connected with a bearing rod (29), the bearing rod (29) passes through the through grooves (35) and is connected with a connecting rod (28) at the upper end, the upper end of the connecting rod (28) at the same side is connected with a limit plate (6), the limit plate (6) is connected with the side plate (3) by a telescopic railing (41), the top of the limit plate (6) is connected with the bottom of the transverse plate, and curb plate (3) top inboard is provided with roof (25), and diaphragm (39) upper end is provided with protection piece (8), protection piece (8) inside is provided with first motor (9), first motor (9) output shaft is connected with first lead screw (10) of protection piece (8) upper end, first lead screw (10) upper end is passed second slider (37) and is rotated with roof (25) bottom and be connected, first lead screw (10) and second slider (37) threaded connection, and second slider (37) and curb plate (3) inboard sliding connection, and be connected through limit for height board (13) between second slider (37) of both sides, roof (25) upper end is provided with solar energy electroplax (12), solar energy electroplax (12) and first motor (9) and third motor (34) electric connection.
2. The vehicle traffic control device for the road bridge according to claim 1, wherein a display screen (14) is arranged above the center of the height limiting plate (13), and the display screen (14) is electrically connected with the solar panel (12).
3. The vehicle traffic control device for the road bridge according to claim 1, characterized in that a signal lamp (16) is arranged on one side above the height limiting plate (13), an inductor (15) is arranged below the height limiting plate (13), the inductor (15) is in signal connection with the signal lamp (16), and the inductor (15) and the signal lamp are electrically connected with the solar panel (12).
4. The vehicle traffic control device for the road and bridge according to claim 1, wherein a second motor (26) is disposed above the top plate (25), an output shaft of the second motor (26) is connected to the bottom of the solar panel (12), the solar panel (12) forms an angle of 45 ° with the horizontal line, and the solar panel (12) is electrically connected to the second motor (26).
5. The vehicle traffic-limiting device for road and bridge according to claim 1, wherein the transverse plate (39) is provided with a sliding groove (43) at the bottom center of one side far away from the side plate (3), the upper end of the limiting plate (6) is inserted into the sliding groove (43) to be slidably connected with the top of the sliding groove (43), and one side of the top end of the limiting plate (6) is connected with the inner side of the sliding groove (43) through a fourth elastic member (40).
6. A road bridge vehicle restriction device according to claim 5, wherein the top end of the restriction plate (6) is provided with a second ball (42), and the second ball (42) is in rolling connection with the top of the chute (43).
7. A road bridge vehicle traffic limiting device according to claim 1, wherein the second slider (37) is provided with a plurality of first balls (38) near one end of the side plate (3), and the first balls (38) are in rolling connection with the side plate (3).
8. The vehicle restriction device for road and bridge according to claim 1, wherein the fixing block (2) is connected with a fixing plate (17) at the lower end of the outer side, and the fixing plate (17) is fixed with the ground through a fixing screw (18).
9. A vehicle restriction device for road and bridge according to claim 1, wherein a back plate (19) is arranged at the center of the outer side of the side plate (3), and the back plate (19) is connected with the fixing plate (17) through a plurality of reinforcing ribs (20).
10. The vehicle traffic control device for the road bridge according to claim 1, wherein the fixing block (2) is provided with a slot (30) at the inner side thereof, the bearing plate (4) is provided with inserting plates (31) at both ends thereof, the inserting plates (31) are inserted into the slot (30), the upper end of the inserting plates (31) is connected with the top of the slot (30) through a plurality of third elastic members (33), and the lower end of the inserting plates (31) is connected with the bottom of the slot (30) through a plurality of second elastic members (32).
CN202011515992.3A 2020-12-21 2020-12-21 Vehicle restriction device of highway bridge Pending CN112627079A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011515992.3A CN112627079A (en) 2020-12-21 2020-12-21 Vehicle restriction device of highway bridge

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011515992.3A CN112627079A (en) 2020-12-21 2020-12-21 Vehicle restriction device of highway bridge

Publications (1)

Publication Number Publication Date
CN112627079A true CN112627079A (en) 2021-04-09

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CN202011515992.3A Pending CN112627079A (en) 2020-12-21 2020-12-21 Vehicle restriction device of highway bridge

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CN211522984U (en) * 2019-09-12 2020-09-18 赵蓉 Adjustable road width limiting column
CN212052470U (en) * 2020-03-23 2020-12-01 文静波 Limiting device for road and bridge
CN212795389U (en) * 2020-06-02 2021-03-26 合肥学院 Forced single horizontal shaft concrete mixer

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014165935A1 (en) * 2013-04-13 2014-10-16 Rivlin Ian A collapsible speed bump assembly
CN105464016A (en) * 2015-12-11 2016-04-06 宿迁淮海科技服务有限公司 Deceleration strip with buffer function
CN106836041A (en) * 2017-03-01 2017-06-13 六安永贞匠道机电科技有限公司 It is applied to the weightless self-locking speed reducer for vehicle of bridge or restricted driving road
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CN108487126A (en) * 2018-04-02 2018-09-04 钱幼华 A kind of highway protection limit for width height limiter
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