CN214656581U

CN214656581U - Early warning self-repairing double-type height limiting device

Info

Publication number: CN214656581U
Application number: CN202120354608.XU
Authority: CN
Inventors: 曾超; 崔子豪; 许译心; 杨凯然
Original assignee: Chongqing Jiaotong University
Current assignee: Chongqing Jiaotong University
Priority date: 2021-02-08
Filing date: 2021-02-08
Publication date: 2021-11-09
Anticipated expiration: 2031-02-08

Abstract

The utility model relates to an early warning self-repairing height limiting device. The tops of two uprights on the same side of the top of the base are fixedly installed with the same support frame, and the tops of the height-limiting rods in the support frame are slidably connected with an infrared sensor, and the tops of the bases are symmetrical A rewinding shaft is rotatably connected in the fixed installation installation box. One end of the two steel cables fixedly wound on the rewinding shaft extends to the outside of the two installation boxes and is fixedly connected to the two moving plates respectively. The bottom inner wall of the installation box is slidably connected There is a rack, the top side of the installation box is fixedly installed and the installation pipe is elastically rotatably connected with a rotating shaft, and the bottom end of the rotating shaft extends into the installation box and is rotatably connected with the bottom inner wall of the installation box. When the height-limiting bar is collided, it can provide good buffer protection for the height-limiting bar, and can automatically move the height-limiting bar to the initial position, so the damage of the height-limiting bar can be avoided, and it has good practicability and good protection performance.

Description

Early warning self-repairing double-type height limiting device

Technical Field

The utility model relates to a road safety facility technical field relates to an early warning is from repairing double entry limit for height device.

Background

In recent years, with the high-speed development of economy in China, the traffic volume of highway traffic is continuously increased, at present, a large truck is violated and overloaded illegally, the road traffic is overwhelmed, the road surface is seriously damaged, and billions of losses are caused to the country every year; on the road, the loading height of a truck is often limited by a height limiting mechanism, and the bulletin numbers are as follows: the CN203782602U road early warning height limiting device comprises a first height limiting device, a second height limiting device and a guardrail arranged between the first height limiting device and the second height limiting device; the first height limiting device comprises a first height limiting portal, an induction layer is arranged at the lower end of a cross bar of the first height limiting portal, and a fluorescent layer is arranged on the outer surface of the induction layer; the upper end of the first height limiting portal cross bar is also provided with a warning indicator connected with the induction layer; the first height limiting portal is provided with an induction layer which can warn passing ultrahigh vehicles; the outer surface of the induction layer is provided with the fluorescent powder, so that a warning effect is achieved for the driving personnel at night or in severe weather, and the driving safety is guaranteed; the second limit for height portal is equipped with electronic camera and infrared probe, can take a candid photograph violation of regulations overrun vehicle, for further to its education or fine receipt evidence.

However, the road early warning height-limiting device is not provided with a buffer device for the height-limiting device, and when a vehicle forcibly passes through the height-limiting device, the problem of collision easily exists, so that the height-limiting device is damaged, and therefore an early warning self-repairing type height-limiting device is needed for solving the problems.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model discloses a solve technical scheme and do not set up the buffer to the limit for height device, when the vehicle is forced to pass through the limit for height device, easily at collision limit for height device, cause the problem of limit for height device damage, provide an early warning from repairing double entry limit for height device.

In order to achieve the above purpose, the utility model provides a following technical scheme: an early warning self-repairing type height limiting device comprises a base, wherein four upright posts are symmetrically and fixedly installed at the top of the base, one side of the top, close to each other, of the two upright posts positioned on the same side is fixedly installed with the same supporting frame, a moving plate is connected in the supporting frame in a sliding mode, one side, close to each other, of the two moving plates is fixedly installed with the same height limiting rod, an infrared sensor is fixedly installed at the top of the height limiting rod, two installation boxes are symmetrically and fixedly installed at the top of the base, rolling shafts are connected in the installation boxes in a rotating mode, steel cables are fixedly wound on the rolling shafts, one ends of the two steel cables respectively extend to the outer sides of the two installation boxes and are respectively and fixedly connected with the two moving plates, racks are connected on the inner wall of the bottom of the installation boxes in a sliding mode, installation pipes are fixedly installed on one side of the top of the installation boxes, and rotating shafts are connected in the installation pipes in an elastic mode, the bottom of pivot extends to in the install bin and rotates with the bottom inner wall of install bin and be connected, the pivot is connected with rolling axle and rack drive respectively.

The beneficial effect of this basic scheme lies in: the utility model discloses when the limit for height pole received the collision, can provide good buffering protection to the limit for height pole to can be automatically with the limit for height pole remove to initial position on, consequently can avoid the limit for height pole to damage, have good practicality and good protective properties.

Further, fixed cover is equipped with the worm wheel in the pivot, and fixed cover is equipped with the worm on the rolling axle, the worm meshes with the worm wheel mutually, beneficial effect: the winding shaft is pulled to rotate through the steel cable, and the rotating shaft can be driven to rotate through the meshing transmission of the worm and the worm wheel.

Further, fixed cover is equipped with the gear that is located the worm wheel below in the pivot, and gear and rack mesh mutually, beneficial effect: when the rotating shaft rotates, the rack can be driven to move through the gear.

Further, the top of rack one side extends to the outside of install bin and rotate and be connected with spacing round, and one side top that one of them stand that is located both sides kept away from each other all rotates and is connected with the fender wheel, and the cable wire contacts beneficial effect with spacing round and fender wheel respectively: when the gear moves, the path of the movement of the steel cable can be changed through the limiting wheel, and the steel cable can be supported through the catch wheel.

Further, the installation intraductal rotation is connected with rotates the cover, the bottom of rotating the cover and the top fixed connection of pivot, fixed mounting has ball nut in the rotation cover, threaded connection has ball on the ball nut, ball's top extends to the top and the fixed mounting of installation pipe has the installation pole, and the equal fixed mounting in bottom both sides of installation pole has the gag lever post, two gag lever posts respectively with the both sides sliding connection of installation pipe, the cover is equipped with compression spring on the gag lever post, and compression spring's top and bottom respectively with installation pole and installation pipe fixed connection, beneficial effect: utilize two compression spring can provide effectual cushion effect to the limit for height pole.

Further, the symmetry rotates on the inner wall of top one side of install bin and is connected with two Z type poles, and the bottom of Z type pole rotates and is connected with the slide, two slides all with the other end sliding connection of rack, be equipped with the buffering subassembly on the top inner wall of install bin, and the buffering subassembly is connected with two Z type pole transmissions, beneficial effect: when the rack moves, the two Z-shaped rods can be driven to rotate, and therefore pressure can be applied to the buffer assembly.

Further, the buffering subassembly includes buffer beam and baffle-box of sliding connection on the top inner wall of install bin, and the one end of buffer beam extends to in the baffle-box and is connected with the inner wall transmission of baffle-box, fixed mounting has buffer spring on one side inner wall of baffle-box, and buffer spring's one end and the one end fixed connection of buffer beam, beneficial effect: the buffer spring can provide effective buffer protection for the height limiting rod.

Further, one side of baffle-box and the equal fixed mounting of the other end of buffer bar have a slide bar, and the top of two slide bars all with the top inner wall sliding connection of install bin, two slide bars are connected with two Z type pole transmissions respectively, beneficial effect: the buffer box and the buffer rod can be limited in sliding mode by the aid of the two sliding rods.

Further, one side fixed mounting of Z type pole has the transmission ring, and the transmission ring is the rectangle form, and two slide bars run through two transmission rings respectively and are connected with the inner wall transmission of two transmission rings respectively, beneficial effect: through two drive rings that set up can drive two slide bars and be close to each other when two Z type poles rotate to this can realize applying elasticity to buffer spring.

Further, fixed cover is equipped with the buffering that is located between two support frames on the limit for height pole is cotton, infrared sensor fixed mounting is at the cotton top of buffering, beneficial effect: can provide good buffering protection to limit for height pole.

The beneficial effects of the utility model reside in that:

1. the early warning self-repairing type height limiting device disclosed by the utility model can utilize the infrared sensor to detect passing vehicles, when the height of the vehicle is higher than the height limiting rod, the vehicle information can be transmitted to the background control center at the moment to remind the staff to prevent the passing of the vehicle, when the vehicle is required to be over-high and the vehicle is rushed by mistake, the height limiting rod can be pushed by the vehicle to move, and the height limiting rod is provided with the buffer cotton to provide preliminary buffer protection for the height limiting rod, meanwhile, when the height limiting rod moves, two steel cables can drive two winding shafts to rotate, at the moment, the worm and the worm wheel can drive the rotating shaft to rotate, when the rotating shaft rotates, the gear and the rotating cover can be driven to rotate at the same time, when the gear rotates, the rack can be driven to move, when the rack moves, two Z-shaped rods can be driven to rotate to one side close to each other, at the moment, the two transmission rings can swing towards one side close to each other, so that the two sliding rods can be pushed to be close to each other, the buffer box and the buffer rod can move in opposite directions, the buffer spring is in a stressed state at the moment, and the buffer spring in the stressed state can provide effective elastic force to perform heavy buffer protection on the height limiting rod;

when rotating the cover and rotating, can drive ball nut and rotate, ball just can move downwards this moment, when ball moves downwards, can drive two gag lever posts and move downwards, two compression spring just can be in the stress state this moment, two compression spring under the stress state can have the power that promotes ball upward movement, and threaded connection between ball and the ball nut does not have auto-lock nature, consequently, can have and drive ball nut and have reverse pivoted power, so through the reverse drive of structure, can be to limit for height pole buffering protection once more, consequently, can provide effectual buffering protection to the limit for height pole, avoid appearing damaging, and when the limit for height pole does not receive the power, can automatic movement to initial position on, therefore, the clothes hanger is strong in practicability.

2. The utility model discloses an early warning is from double entry limit for height device of repairing receives when the limit for height pole collides, can provide good buffer protection to the limit for height pole to can be automatically with the limit for height pole remove to initial position on, consequently can avoid the limit for height pole to damage, have good practicality and good protective properties.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention may be realized and attained by the means of the instrumentalities and/or combinations particularly pointed out in the appended claims.

Drawings

Fig. 1 is a structural side view of an early warning self-repairing type height limiting device of the present invention;

FIG. 2 is a side view of the internal structure of the mounting box and the mounting tube of the self-repairing type height limiter of the present invention;

FIG. 3 is a front view of a connecting structure between a buffer box and a buffer rod of the self-repairing type height limiter of the present invention;

fig. 4 is a rear view of the connection structure of two Z-shaped rods and racks in the self-repairing type height limiter of the present invention;

fig. 5 is the utility model relates to a two support frames and height-limiting rod connection structure top views in early warning self-repairing formula limit for height device.

The drawings are numbered as follows: the device comprises a base 1, a column 2, a support frame 3, a moving plate 4, a gear wheel 5, an installation box 6, an installation tube 7, a winding shaft 8, a worm 9, a rotating cover 10, a rotating shaft 11, a worm wheel 12, a limiting wheel 13, a steel cable 14, a ball screw 15, a ball screw nut 16, an installation rod 17, a limiting rod 18, a compression spring 19, a rack 20, a gear 21, a 22Z-shaped rod, a transmission ring 23, a sliding rod 24, a sliding plate 25, a buffer box 26, a buffer rod 27, a buffer spring 28, a height limiting rod 29, buffer cotton 30 and an infrared sensor 31.

Detailed Description

The following is further detailed by way of specific embodiments:

as shown in fig. 1-5, the early warning self-repairing type height limiting device comprises a base 1, four upright columns 2 are symmetrically and fixedly mounted at the top of the base 1, the same support frame 3 is fixedly mounted at the top of one side, close to each other, of the two upright columns 2 at the same side, a moving plate 4 is connected in the support frame 3 in a sliding mode, the same height limiting rod 29 is fixedly mounted at one side, close to each other, of the two moving plates 4, and an infrared sensor 31 is fixedly mounted at the top of the height limiting rod 29.

Two installation boxes 6 are symmetrically and fixedly installed on the top of the base 1, a winding shaft 8 is rotatably connected in the installation boxes 6, a steel cable 14 is fixedly wound on the winding shaft 8, one end of each of the two steel cables 14 extends to the outer sides of the two installation boxes 6 and is fixedly connected with the two movable plates 4 respectively, a rack 20 is slidably connected on the inner wall of the bottom of each installation box 6, an installation pipe 7 is fixedly installed on one side of the top of each installation box 6, a rotating shaft 11 is elastically and rotatably connected in each installation pipe 7, the bottom end of each rotating shaft 11 extends into each installation box 6 and is rotatably connected with the inner wall of the bottom of each installation box 6, each rotating shaft 11 is in transmission connection with the winding shaft 8 and the rack 20 respectively, a worm wheel 12 is fixedly sleeved on each rotating shaft 11, a worm 9 is fixedly sleeved on each winding shaft 8, each worm 9 is meshed with the worm wheel 12, the winding shaft 8 is pulled to rotate through the steel cable 14, and is in transmission through the meshing of the worm 9 and the worm wheel 12, can drive pivot 11 and rotate, fixed cover is equipped with the gear 21 that is located worm wheel 12 below on pivot 11, and gear 21 meshes with rack 20 mutually, when pivot 11 rotated, can drive rack 20 through gear 21 and remove.

One side of the top of the rack 20 extends to the outer side of the mounting box 6 and is rotatably connected with a limiting wheel 13, the top of the side, away from each other, of one of the columns 2 at two sides is rotatably connected with a catch wheel 5, the steel cable 14 is respectively contacted with the limiting wheel 13 and the catch wheel 5, when the gear 20 moves, the path of the movement of the steel cable 14 can be changed through the limiting wheel 13, the steel cable 14 can be supported by the catch wheel 5, the mounting tube 7 is rotatably connected with a rotating cover 10, the bottom of the rotating cover 10 is fixedly connected with the top end of the rotating shaft 11, a ball screw nut 15 is fixedly arranged in the rotating cover 10, a ball screw 16 is in threaded connection with the ball screw nut 15, the top end of the ball screw 16 extends to the upper part of the mounting tube 7 and is fixedly provided with a mounting rod 17, two sides of the bottom of the mounting rod 17 are respectively and fixedly provided with a limiting rod 18, the two limiting rods 18 are respectively in sliding connection with two sides of the mounting tube 7, the cover is equipped with compression spring 19 on the gag lever post 18, and compression spring 19's top and bottom respectively with installation pole 17 and installation pipe 7 fixed connection, utilize two compression spring 19 can provide effectual cushion effect to limit for height pole 29.

In this embodiment, two Z-shaped rods 22 are symmetrically and rotatably connected to the inner wall of one side of the top of the installation box 6, a sliding plate 25 is rotatably connected to the bottom end of each Z-shaped rod 22, the two sliding plates 25 are both slidably connected to the other end of the rack 20, a buffering component is disposed on the inner wall of the top of the installation box 6, and the buffering component is in transmission connection with the two Z-shaped rods 22, so that when the rack 20 moves, the two Z-shaped rods 22 can be driven to rotate, thereby applying pressure to the buffering component, the buffering component comprises a buffering rod 27 and a buffering box 26, the buffering rod 27 is slidably connected to the inner wall of the top of the installation box 6, one end of the buffering rod 27 extends into the buffering box 26 and is in transmission connection with the inner wall of the buffering box 26, a buffering spring 28 is fixedly mounted on the inner wall of one side of the buffering box 26, one end of the buffering spring 28 is fixedly connected to one end of the buffering rod 27, and the buffering spring 28 can provide effective buffering protection for the height limiting rod 29, slide bars 24 are fixedly mounted on one side of the buffer box 26 and the other end of the buffer rod 27, the top ends of the two slide bars 24 are slidably connected with the inner wall of the top of the mounting box 6, the two slide bars 24 are respectively in transmission connection with the two Z-shaped rods 22, the two slide bars 24 can respectively limit the sliding of the buffer box 26 and the buffer rod 27, a transmission ring 23 is fixedly mounted on one side of the Z-shaped rod 22, the transmission ring 23 is rectangular, the two slide bars 24 respectively penetrate through the two transmission rings 23 and are respectively in transmission connection with the inner walls of the two transmission rings 23, the two slide bars 24 can be driven to approach each other when the two Z-shaped rods 22 rotate through the two transmission rings 23, so that the elastic force can be applied to the buffer spring 28, the buffer cotton 30 fixedly positioned between the two support frames 3 is fixedly mounted on the height limiting rod 29, the infrared sensor 31 is fixedly mounted on the top of the buffer cotton 30, good cushioning protection can be provided for the height limit bar 29.

This early warning self-repairing type limit for height device's application method, usable infrared sensor 31 of this technical scheme detects the vehicle that passes through, when the height of vehicle is higher than limit for height pole 29, alright transmit vehicle information to backstage control center this moment, remind the staff to prevent this vehicle to pass through, when needing super high vehicle mistake to break through, limit for height pole 29 just can be promoted by the vehicle this moment, can remove, and limit for height pole 29 is last to have set up buffer cotton 30, can provide preliminary buffer protection to limit for height pole 29, when limit for height pole 29 removes simultaneously, can drive two rolling axle 8 through two cable wires 14 and rotate, can drive pivot 11 through worm 9 and worm wheel 12 this moment and rotate, when pivot 11 rotates, can drive gear 21 and rotate cover 10 simultaneously and rotate.

When the gear 21 rotates, the gear rack 20 can be driven to move, when the gear rack 20 moves, the two Z-shaped rods 22 can be driven to rotate towards one side close to each other, at this time, the two transmission rings 23 can swing towards one side close to each other, so that the two sliding rods 24 can be pushed to approach each other, so that the buffer box 26 and the buffer rod 27 can move towards each other, at this time, the buffer spring 28 is in a stressed state, the buffer spring 28 in the stressed state can provide effective elastic force to perform a heavy buffer protection on the height limiting rod 29, when the rotating cover 10 rotates, the ball screw nut 15 can be driven to rotate, at this time, the ball screw 16 can move downwards, when the ball screw 16 moves downwards, the two limiting rods 18 can be driven to move downwards, at this time, the two compression springs 19 are in a stressed state, and the two compression springs 19 in the stressed state can have a force for pushing the ball screw 16 to move upwards, and threaded connection between ball 16 and ball nut 15 does not have the auto-lock nature, consequently can have and drive ball nut 15 and have the power of antiport, so through the reverse drive of structure, can be to the buffer protection of limit for height pole 29 once more, consequently can provide effectual buffer protection to limit for height pole 29, avoid appearing damaging, and when limit for height pole 29 is not atress, can automatic movement to initial position on, consequently can avoid limit for height pole 20 to damage, have good practicality and good protective properties.

The above description is only an example of the present invention, and the common general knowledge of the known specific structures and characteristics of the embodiments is not described herein. It should be pointed out that to those skilled in the art, without departing from the structure of the present invention, a plurality of modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the utility of the present invention.

Claims

1. An early warning self-repairing height limiting device, comprising a base (1), characterized in that the top of the base (1) is symmetrically and fixedly installed with four uprights (2), and two uprights (2) located on the same side. 2) The same support frame (3) is fixedly installed on the top of the side close to each other, a moving plate (4) is slidably connected in the support frame (3), and the sides of the two moving plates (4) that are close to each other are fixed The same height-limiting rod (29) is installed, an infrared sensor (31) is fixedly installed on the top of the height-limiting rod (29), and two installation boxes (6) are symmetrically and fixedly installed on the top of the base (1), And the installation box (6) is rotatably connected with a reeling shaft (8), the reeling shaft (8) is fixedly wound with a wire rope (14), and one end of the two wire ropes (14) respectively extends to two installations The outer side of the box (6) is fixedly connected with the two moving plates (4) respectively, the bottom inner wall of the installation box (6) is slidably connected with a rack (20), and the top side of the installation box (6) A mounting pipe (7) is fixedly installed, and a rotating shaft (11) is elastically rotatably connected in the mounting pipe (7), and the bottom end of the rotating shaft (11) extends into the mounting box (6) and is connected with the mounting box (6). The inner wall of the bottom is rotatably connected, and the rotating shaft (11) is respectively connected with the winding shaft (8) and the rack (20) in a driving manner.

2. An early warning self-repairing height limiting device according to claim 1, wherein a worm gear (12) is fixedly sleeved on the rotating shaft (11), and a winding shaft (8) is fixedly sleeved with a worm gear (12). A worm (9) meshes with the worm wheel (12).

3. The early warning self-repairing height limiting device according to claim 2, wherein a gear (21) located below the worm gear (12) is fixedly sleeved on the rotating shaft (11), and the gear (21) ) meshes with the rack (20).

4. An early warning self-repairing height limiting device according to claim 3, characterized in that the top side of the rack (20) extends to the outside of the installation box (6) and is rotatably connected to a limit wheel ( 13), a stop wheel (5) is rotatably connected to the top of one of the uprights (2) on both sides away from each other, and the wire rope (14) is in phase with the stop wheel (13) and the stop wheel (5) respectively. touch.

5. An early warning self-repairing height limiting device according to claim 4, characterized in that a rotating cover (10) is rotatably connected in the installation pipe (7), and the bottom of the rotating cover (10) is connected with the rotating cover (10). The top end of the rotating shaft (11) is fixedly connected, a ball screw nut (15) is fixedly installed in the rotating cover (10), and a ball screw (16) is threadedly connected to the ball screw nut (15). The top end of the ball screw (16) extends to the top of the installation pipe (7) and is fixedly installed with the installation rod (17), and limit rods (18) are fixedly installed on both sides of the bottom of the installation rod (17). The position rod (18) is slidably connected with the two sides of the installation pipe (7) respectively, a compression spring (19) is sleeved on the position limit rod (18), and the top end and the bottom end of the compression spring (19) are respectively connected to the installation pipe (7). The rod (17) is fixedly connected with the installation pipe (7).

6. An early warning self-repairing height limiting device according to claim 5, characterized in that, two Z-shaped rods (22) are symmetrically rotatably connected on the inner wall of one side of the top of the installation box (6), and A sliding plate (25) is rotatably connected to the bottom end of the Z-shaped rod (22), the two sliding plates (25) are both slidably connected to the other end of the rack (20), and a buffer is provided on the top inner wall of the installation box (6). assembly, and the buffer assembly is drivingly connected with the two Z-shaped rods (22).

7. An early warning self-repairing height limiting device according to claim 6, characterized in that the buffer assembly comprises a buffer rod (27) and a buffer box ( 26), and one end of the buffer rod (27) extends into the buffer box (26) and is drivingly connected with the inner wall of the buffer box (26). A buffer spring (28) is fixedly installed on one inner wall of the buffer box (26). ), and one end of the buffer spring (28) is fixedly connected to one end of the buffer rod (27).

8. The early warning self-repairing height limiting device according to claim 7, characterized in that a sliding rod (24) is fixedly installed on one side of the buffer box (26) and the other end of the buffer rod (27). ), and the top ends of the two sliding rods (24) are both slidably connected to the top inner wall of the installation box (6), and the two sliding rods (24) are respectively connected to the two Z-shaped rods (22) in a driving manner.

9 . The early warning self-repairing height limiting device according to claim 8 , wherein a transmission ring ( 23 ) is fixedly installed on one side of the Z-shaped rod ( 22 ), and the transmission ring ( 23 ) is 9 . In the shape of a rectangle, the two sliding rods (24) respectively penetrate the two transmission rings (23) and are respectively connected to the inner walls of the two transmission rings (23).

10. An early warning self-repairing height limiting device according to claim 1, characterized in that, a buffer cotton ( 30), the infrared sensor (31) is fixedly installed on the top of the buffer cotton (30).