CN211547494U

CN211547494U - Combined width and height limiting device for highway bridge

Info

Publication number: CN211547494U
Application number: CN201922356841.7U
Authority: CN
Inventors: 陈玉龙; 程蕾; 陈锐
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-12-25
Filing date: 2019-12-25
Publication date: 2020-09-22
Anticipated expiration: 2029-12-25

Abstract

The utility model discloses a combination formula limit for width limit for height device that public road bridge roof beam was used relates to public road bridge roof beam technical field, including two fixing bases, two fixed mounting has a stand, two respectively in the middle of the fixing base top a limit for width device, two are installed respectively to stand one side rotate between the stand and be provided with a limit for height pole, one of them one side fixed mounting of stand has an adjusting device, the one end fixed connection of adjusting device and limit for height pole. This combination formula limit for width limit for height device that public road bridge roof beam was used is formed by five major parts of fixing base, stand, limit for width device, adjusting device, limit for height pole equipment, and first pneumatic cylinder through two limit for width device drives two limit for width boards and is close to each other or keeps away from, can adjust the width that allows the vehicle to pass, drives the limit for height pole through adjusting device and rotates, can adjust the height that "U" shape pole horizontal pole part is apart from ground to adjust the height that allows the vehicle to pass.

Description

Combined width and height limiting device for highway bridge

Technical Field

The utility model relates to a public road bridge roof beam technical field specifically is a combination formula limit for width limit for height device that public road bridge roof beam was used.

Background

The highway bridge generally comprises a plurality of parts such as roadbeds, road surfaces, bridges, tunnel engineering, traffic engineering facilities and the like, along with the development of traffic industry, the number of high-grade highway bridges mainly comprising highways, first-grade highways and bridges is increased year by year, and the demand of devices for limiting the width and the height of part of highway bridges is increased.

Traditional limit for width limit for height device structure is more single, mainly is divided into stand and horizontal pole two parts, needs limit for height width data customization according to public road bridge roof beam, and often efficiency is slower, in addition in case after the installation of production, just can not adjust to limit for width limit for height size, therefore the limitation is great.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a combination formula limit for width limit for height device that public road bridge roof beam was used to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a combination formula limit for width limit for height device that public road bridge roof beam was used, includes two fixing bases, two there is a stand, two fixed mounting respectively on the fixing base a limit for width device is installed respectively to stand one side, two it is provided with a limit for height pole, one of them to rotate between the stand one side fixed mounting of stand has an adjusting device, the one end fixed connection of adjusting device and limit for height pole.

Further, the width limiting device comprises a first hydraulic cylinder, one end of the first hydraulic cylinder is fixedly installed on the stand column through an L-shaped plate, a width limiting plate is fixedly installed at one end of a hydraulic rod of the first hydraulic cylinder, two sliding rods are fixedly installed on one side of the width limiting plate facing the first hydraulic cylinder and located on two sides of the hydraulic rod, the two sliding rods are arranged on one side of the stand column in a sliding mode through rectangular sleeves respectively, and the width limiting plate can be guided and protected through arrangement of the sliding rods.

Further, adjusting device includes the second pneumatic cylinder, the second pneumatic cylinder bottom is through a fixed plate fixed mounting in one side of stand, and the hydraulic stem top fixed mounting of second pneumatic cylinder has a rack, the meshing has a gear on the rack, one side cover that the gear was kept away from to the rack is equipped with one and holds up the backplate.

Further, the guard plate is "L" shape, the one end fixed mounting of guard plate is in one side of stand, and the guard plate is close to one side of rack and has seted up a recess, and the guard plate is held up through setting up, can play the protection guide effect to the rack, prevents that the rack from warping or deviating, leads to breaking away from with the gear.

Furthermore, the height limiting rod comprises a U-shaped rod, two ends of the U-shaped rod are respectively and fixedly provided with a shaft rod, the two shaft rods are respectively and rotatably arranged at the tops of the corresponding upright posts, and one end, far away from the U-shaped rod, of one shaft rod is fixedly connected with the center of the gear.

Furthermore, the side surfaces of the U-shaped rod of the width limiting plate and the height limiting rod of the width limiting device are respectively adhered with a reflective strip, and the reflective strips can reflect light of a vehicle particularly at night, so that a driver can clearly see the outline of the width limiting device at a longer distance to decelerate in advance or judge whether the vehicle can pass through.

Compared with the prior art, the beneficial effects of the utility model are that: this combination formula limit for width limit for height device that public road bridge roof beam was used, by the fixing base, the stand, the limit for width device, adjusting device, five major part equipment of limit for height pole form, first pneumatic cylinder through two limit for width device drives two limit for width boards and is close to each other or keeps away from, can adjust the width that allows the vehicle to pass, second pneumatic cylinder through adjusting device drives the rack motion, thereby drive gear revolve, the gear drives the limit for height pole and rotates, can adjust the height that "U" shape pole horizontal pole part keeps away from ground, thereby adjust the height that allows the vehicle to pass.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a front view of the present invention;

fig. 3 is a right side view of the structure of the present invention.

In the figure: 1. a fixed seat; 2. a column; 3. a width limiting device; 301. a first hydraulic cylinder; 302. a width limiting plate; 303. a slide bar; 304. a rectangular sleeve; 4. an adjustment device; 401. a second hydraulic cylinder; 402. a rack; 403. a gear; 404. supporting the guard plate; 5. a height limiting rod; 501. a "U" shaped rod; 502. a shaft rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a combined width and height limiting device for a highway bridge comprises two fixed seats 1, wherein an upright post 2 is fixedly arranged in the middle of the top of each fixed seat 1, a width limiting device 3 is arranged on one side of each upright post 2, each width limiting device 3 comprises a first hydraulic cylinder 301, one end of each first hydraulic cylinder 301 is fixedly arranged on each upright post 2 through an L-shaped plate, one end of a hydraulic rod of each first hydraulic cylinder 301 is fixedly provided with a width limiting plate 302, the distance between the two width limiting plates 302 is the width allowing vehicles to pass through, one side of each width limiting plate 302 facing the first hydraulic cylinder 301 is fixedly provided with two sliding rods 303, the two sliding rods 303 are positioned on two sides of the hydraulic rod, the two sliding rods 303 are respectively arranged on one side of each upright post 2 in a sliding mode through a rectangular sleeve 304, the arrangement of the sliding rods 303 can play a role in guiding and protecting the width limiting plates 302, the arrangement of the two width limiting devices 3 respectively provides power through the two first hydraulic cylinders 301, by moving the two width limiting plates 302 closer to or farther away from each other, the width of the vehicle that is allowed to pass can be flexibly adjusted.

A height limiting rod 5 is rotatably arranged between the two upright posts 2, the height limiting rod 5 comprises a U-shaped rod 501, the U-shaped rod 501 is used for limiting the passing height of a vehicle, light reflecting strips are adhered to the side faces of the U-shaped rod 501 of the height limiting rod 5 and the width limiting plate 302 of the width limiting device 3, especially at night, light of the vehicle can be reflected, a driver can see the outline of the width limiting device at a longer distance to decelerate in advance or judge whether the vehicle can pass, two ends of the U-shaped rod 501 are respectively fixedly provided with a shaft rod 502, the two shaft rods 502 are respectively rotatably arranged at the tops of the corresponding upright posts 2, and one end of one shaft rod 502, which is far away from the U-shaped rod 501, is fixedly connected with the center of the gear 403.

Wherein, one side of one upright post 2 is fixedly provided with an adjusting device 4, the adjusting device 4 comprises a second hydraulic cylinder 401, the bottom of the second hydraulic cylinder 401 is fixedly arranged at one side of the upright post 2 through a fixing plate, a rack 402 is fixedly arranged at the top of a hydraulic rod of the second hydraulic cylinder 401, a gear 403 is meshed on the rack 402, a guard plate 404 is sleeved on one side of the rack 402 far away from the gear 403, the guard plate 404 is L-shaped, one end of the guard plate 404 is fixedly arranged on one side of the upright post 2, a groove is arranged on one side of the guard plate 404 close to the rack 402, the guard plate 404 can protect and guide the rack 402, prevent the rack 402 from deforming or deviating and separating from the gear 403, the adjusting device 4 can enable the height limiting rod 5 to rotate around the shaft rod 502, thereby adjusting the height of the crossbar portion of the "U" shaped bar 501 from the ground, thereby adjusting the height at which vehicles are allowed to pass.

The working principle is as follows: during the use, at first fix fixing base 1 and stand 2 in the highway bridge both sides that need limit for width limit for height, install two limit for width device 3 after that, drive two limit for width boards 302 through first pneumatic cylinder 301 respectively and be close to each other or keep away from, adjust the width that allows the vehicle to pass, then install adjusting device 4 and limit for height pole 5, drive rack 402 through second pneumatic cylinder 401 and move, thereby drive gear 403 and rotate, gear 403 drives limit for height pole 5 and rotates, thereby adjust the height that "U" shape pole 501 horizontal pole part apart from ground, adjust the height that allows the vehicle to pass with this.

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

Claims

1. The utility model provides a combination formula limit for width limit for height device that public road bridge roof beam was used, includes two fixing base (1), two on fixing base (1) respectively fixed mounting have a stand (2), its characterized in that:

two install a limit for width device (3) respectively on one side of stand (2), two it is provided with a limit for height pole (5) to rotate between stand (2), one of them one side fixed mounting of stand (2) has an adjusting device (4), the one end fixed connection of adjusting device (4) and limit for height pole (5).

2. The combined width and height limiting device for road bridges of claim 1, wherein: the width limiting device (3) comprises a first hydraulic cylinder (301), one end of the first hydraulic cylinder (301) is fixedly mounted on the stand column (2) through an L-shaped plate, one end of a hydraulic rod of the first hydraulic cylinder (301) is fixedly mounted with a width limiting plate (302), two sliding rods (303) are fixedly mounted on one side of the width limiting plate (302) facing the first hydraulic cylinder (301), the two sliding rods (303) are located on two sides of the hydraulic rod, and the two sliding rods (303) are slidably arranged on one side of the stand column (2) through rectangular sleeves (304) respectively.

3. The combined width and height limiting device for road bridges of claim 1, wherein: adjusting device (4) include second pneumatic cylinder (401), second pneumatic cylinder (401) bottom is through a fixed plate fixed mounting in one side of stand (2), and the hydraulic stem top fixed mounting of second pneumatic cylinder (401) has a rack (402), the meshing has a gear (403) on rack (402), one side cover that gear (403) were kept away from in rack (402) is equipped with one and holds up backplate (404).

4. The combined width and height limiting device for road bridges of claim 3, wherein: the guard plate (404) is L-shaped, one end of the guard plate (404) is fixedly installed on one side of the upright post (2), and a groove is formed in one side, close to the rack (402), of the guard plate (404).

5. The combined width and height limiting device for road bridges of claim 1, wherein: the height limiting rod (5) comprises a U-shaped rod (501), shaft rods (502) are fixedly mounted at two ends of the U-shaped rod (501) respectively, the shaft rods (502) are rotatably arranged at the tops of the corresponding upright columns (2) respectively, and one end, far away from the U-shaped rod (501), of one shaft rod (502) is fixedly connected with the center of the gear (403).

6. The combined width and height limiting device for road bridges of claim 1, wherein: the side surfaces of the width limiting plate (302) of the width limiting device (3) and the U-shaped rod (501) of the height limiting rod (5) are adhered with reflective strips.