CN218989983U

CN218989983U - Viaduct height limiting rod for municipal road

Info

Publication number: CN218989983U
Application number: CN202223029413.1U
Authority: CN
Inventors: 张照微
Original assignee: Shandong Lingtong Transportation Facilities Engineering Co ltd
Current assignee: Shandong Lingtong Transportation Facilities Engineering Co ltd
Priority date: 2022-11-15
Filing date: 2022-11-15
Publication date: 2023-05-09
Anticipated expiration: 2032-11-15

Abstract

The utility model belongs to the technical field of height limiting rods, and discloses a viaduct height limiting rod for municipal roads, which comprises a base, wherein a rear supporting frame is fixedly connected to the top of the base, a front supporting frame is fixedly connected to the top of the base and positioned in front of the rear supporting frame, a machine case is fixedly connected to one side of the rear supporting frame, a motor is fixedly connected to an inner cavity of the machine case, a first rotating rod is fixedly connected to the output end of the motor, one end of the first rotating rod, which is far away from the motor, penetrates through the machine case and the rear supporting frame in sequence and extends to the inner cavity of the rear supporting frame, the first rotating rod is rotated by the motor in the machine case to drive a first rotating cylinder to rotate, the first rotating cylinder is rotated to drive a toothed belt to rotate on a second rotating cylinder, the toothed belt is rotated to drive a toothed plate to move, the toothed plate is moved to drive a lifting rod to lift, the lifting or lowering of the height limiting rod can be realized rapidly, and the working process and the road maintenance speed of an emergency vehicle are improved.

Description

Viaduct height limiting rod for municipal road

Technical Field

The utility model belongs to the technical field of height limiting rods, and particularly relates to a viaduct height limiting rod for municipal roads.

Background

Overpasses, a type of bridge that generally spans deep-trench canyons to replace highways, and bridges that span roads in urban bridges, are supported by highly supported towers or struts, and typically do not allow large vehicles to travel up, so that limited poles are mostly provided at the entrance of the overpass.

Existing height limiting rods, although convenient to use, have some problems, such as; the existing municipal road height limiting rods are basically of fixed height, so that the height limiting rods cannot be adjusted temporarily and rapidly when some special vehicles need to pass through emergencies or roads need to be maintained, the passing of emergency vehicles is limited, and the working process of the emergency vehicles and the road maintenance speed are delayed.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a viaduct height limiting rod for municipal roads, which solves the problems that the existing viaduct height limiting rods are basically of fixed height, so that the height limiting rod cannot be temporarily and rapidly adjusted when some special vehicles need to pass through emergencies or roads need to be maintained, the passing of emergency vehicles is limited, and the working process of the emergency vehicles and the road maintenance speed are delayed.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a viaduct limit for town road height pole, includes the base, the top fixedly connected with back support frame of base, the top of base just is located the place ahead fixedly connected with front support frame of back support frame, one side fixedly connected with machine case of back support frame, the inner chamber fixedly connected with motor of machine case, the output fixedly connected with first dwang of motor, the one end of keeping away from the motor of first dwang runs through machine case and back support frame in proper order and extends to the inner chamber of back support frame, the one end that first dwang extends to back support frame inner chamber rotates through one side of first bearing and back support frame inner chamber to be connected, the first rotating cylinder of fixed surface of first dwang is connected with, the top of back support frame inner chamber is connected with the second dwang through the second bearing rotation, the fixed surface of second dwang is connected with the second rotating cylinder, the tooth area has all been cup jointed with the surface of first rotating cylinder.

As an optimized technical scheme of the overhead bridge height limiting rod for the municipal road, a lifting rod is arranged between the surface of the rear supporting frame and the back of the front supporting frame.

As an optimized technical scheme of the overhead bridge height limiting rod for the municipal road, the back of the lifting rod is fixedly connected with a toothed plate, and the toothed plate is meshed with a toothed belt.

As an optimized technical scheme of the overhead bridge height limiting rod for the municipal road, the back part and the surface of the lifting rod are fixedly connected with the movable plate, the surface of the movable plate is provided with the sliding groove, and the inner cavity of the sliding groove is respectively in sliding connection with the surface of the rear supporting frame and the back part of the front supporting frame.

As an optimized technical scheme of the overhead bridge height limiting rod for the municipal road, the tops of the rear supporting frame and the front supporting frame are fixedly connected with fixing blocks.

As an optimized technical scheme of the overhead bridge height limiting rod for the municipal road, the top of the fixing block is fixedly connected with a rain shielding plate.

Compared with the prior art, the utility model has the following beneficial effects:

1. through setting up quick-witted case, toothed belt and lifter combined action, at first utilize the quick-witted incasement motor to rotate and drive first dwang and rotate, first dwang rotates and drives first rotary drum and rotate, and first rotary drum rotates and drives the toothed belt and rotate on the second rotary drum, and the toothed belt rotates and drives the pinion rack and remove, and the pinion rack removes and drives the lifter and go up and down, can realize raising or the decline of limit for height pole fast, can in time deal with emergency, has improved emergency vehicle's work progress and road maintenance speed.

2. Through setting up movable plate, spout and flashing board combined action, at first utilize the movable plate to carry out spacingly to the lifter, make the lifter can stably go up and down, the rethread spout makes the lifter go up and down more smooth and easy, can shelter from the rainwater through the flashing board at last, protection architecture.

Drawings

FIG. 1 is a perspective view of the structure of the present utility model;

FIG. 2 is a perspective view of a toothed belt structure of the present utility model;

FIG. 3 is a cross-sectional view of the chassis structure of the present utility model;

fig. 4 is a perspective view of the structure of the lifting lever of the present utility model.

In the figure: 1. a base; 2. a rear support; 3. a front support; 4. a chassis; 5. a motor; 6. a first rotating lever; 7. a first bearing; 8. a first rotary drum; 9. a second rotating lever; 10. a second bearing; 11. a second rotary drum; 12. a toothed belt; 13. a lifting rod; 14. a toothed plate; 15. a moving plate; 16. a chute; 17. a fixed block; 18. a flashing.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1 to 4, a viaduct height-limiting rod for municipal roads comprises a base 1, the top fixedly connected with rear support frame 2 of base 1, the top of base 1 just is located the place ahead fixedly connected with front support frame 3 of rear support frame 2, one side fixedly connected with machine case 4 of rear support frame 2, the inner chamber fixedly connected with motor 5 of machine case 4, the output fixedly connected with first dwang 6 of motor 5, the one end that keeps away from motor 5 of first dwang 6 runs through machine case 4 and rear support frame 2 in proper order and extends to the inner chamber of rear support frame 2, the one end that first dwang 6 extends to the inner chamber of rear support frame 2 is connected with one side rotation of rear support frame 2 inner chamber through first bearing 7, the surface fixedly connected with first dwang 8 of first dwang 6, the top of rear support frame 2 inner chamber is connected with second dwang 9 through second bearing 10 rotation, the surface fixedly connected with second dwang 11 of second dwang 9, the tooth bar 12 has all been cup jointed on the surface of second dwang 11 and first dwang 8, be provided with lifter 13 between the surface of rear support frame 2 and the front support frame 3 back,

lifter

13, 14 and toothed bar 14 are connected with back 14 fixedly.

In this embodiment, the motor 5 in the chassis 4 is utilized to rotate and drive the first rotating rod 6 to rotate, the first rotating rod 6 rotates and drives the first rotating cylinder 8 to rotate, the first rotating cylinder 8 rotates and drives the toothed belt 12 to rotate on the second rotating cylinder 11, the toothed belt 12 rotates and drives the toothed plate 14 to move, the toothed plate 14 moves and drives the lifting rod 13 to lift, the lifting or lowering of the height limiting rod can be realized rapidly, the emergency situation can be dealt with timely, and the working process and the road maintenance speed of the emergency vehicle are improved.

As shown in fig. 1 to 4, the back and the surface of the lifting rod 13 are fixedly connected with a moving plate 15, the surface of the moving plate 15 is provided with a sliding groove 16, the inner cavity of the sliding groove 16 is respectively in sliding connection with the surface of the rear supporting frame 2 and the back of the front supporting frame 3, the top of the rear supporting frame 2 and the top of the front supporting frame 3 are fixedly connected with a fixed block 17, and the top of the fixed block 17 is fixedly connected with a rain shielding plate 18.

In this embodiment, the lifting rod 13 is limited by the moving plate 15, so that the lifting rod 13 can stably lift, the lifting rod 13 can more smoothly lift through the sliding groove 16, and finally, rainwater can be shielded through the rain shielding plate 18, and the structure is protected.

The working principle and the use flow of the utility model; when a special vehicle needs to pass through emergently, the motor 5 in the case 4 rotates to drive the first rotating rod 6 to rotate, the first rotating rod 6 rotates to drive the first rotating cylinder 8 to rotate, the first rotating cylinder 8 rotates to drive the toothed belt 12 to rotate on the second rotating cylinder 11, the toothed belt 12 rotates to drive the toothed plate 14 to move, the toothed plate 14 moves to drive the lifting rod 13 to lift, the lifting or descending of the height limiting rod can be realized rapidly, and emergency can be dealt with timely.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a viaduct limit for height pole for town road, includes base (1), its characterized in that: the top fixedly connected with back support frame (2) of base (1), the place ahead fixedly connected with front support frame (3) of support frame (2) just are located at the top of base (1), one side fixedly connected with machine case (4) of back support frame (2), the inner chamber fixedly connected with motor (5) of machine case (4), the output fixedly connected with first dwang (6) of motor (5), the one end of keeping away from motor (5) of first dwang (6) runs through machine case (4) and back support frame (2) in proper order and extends to the inner chamber of back support frame (2), the one end that first dwang (6) extends to the inner chamber of back support frame (2) is through first bearing (7) and one side swivelling joint of back support frame (2) inner chamber, the surface fixedly connected with first rotary drum (8) of first dwang (6), the top of back support frame (2) inner chamber is through second bearing (10) swivelling joint second dwang (9), the surface fixedly connected with second rotary drum (11) of second dwang (9), first rotary drum (11) all cup joints with a first rotary drum (11).

2. The overhead bridge height limiting rod for municipal roads according to claim 1, wherein: a lifting rod (13) is arranged between the surface of the rear supporting frame (2) and the back of the front supporting frame (3).

3. The overhead bridge height limiting rod for municipal roads according to claim 2, wherein: the back of lifter (13) fixedly connected with pinion rack (14), pinion rack (14) and toothed belt (12) meshing.

4. An overhead bridge height limiting rod for municipal roads according to claim 3, wherein: the lifting device is characterized in that the back of the lifting rod (13) is fixedly connected with a movable plate (15) on the surface of the lifting rod, a sliding groove (16) is formed in the surface of the movable plate (15), and the inner cavity of the sliding groove (16) is respectively connected with the surface of the rear supporting frame (2) and the back of the front supporting frame (3) in a sliding mode.

5. The overhead bridge height limiting rod for municipal roads according to claim 1, wherein: the top of the rear supporting frame (2) and the front supporting frame (3) are fixedly connected with a fixing block (17).

6. The overhead bridge height limiting rod for municipal roads according to claim 5, wherein: the top of the fixed block (17) is fixedly connected with a rain-proof plate (18).