CN219061217U

CN219061217U - Guardrail for road construction

Info

Publication number: CN219061217U
Application number: CN202223471786.4U
Authority: CN
Inventors: 李亚伟; 冯明; 姚国元
Original assignee: Hubei Changyao Pipe Gallery Construction Co ltd
Current assignee: Hubei Changyao Pipe Gallery Construction Co ltd
Priority date: 2022-12-26
Filing date: 2022-12-26
Publication date: 2023-05-23
Anticipated expiration: 2032-12-26

Abstract

The utility model belongs to the technical field of guardrails, and discloses a guardrail for road construction, which comprises a first guardrail plate, wherein a second guardrail plate is arranged on the first guardrail plate in a sliding manner along the length direction of the first guardrail plate, and support rods are connected to one side of each of the first guardrail plate and the second guardrail plate; the telescopic component is connected with the second baffle plate and is positioned in the first baffle plate, and one end of the screw rod is connected with a driving component for driving the screw rod to rotate; the utility model solves the problems that the prior art can not adjust the length of the breast board and is inconvenient to store, and the total length of the whole breast board is adjusted by sliding the second breast board through arranging the telescopic component so as to adapt to different road intersections; meanwhile, the second breast board can be contracted to the shortest so as to be stored, and the next use is convenient.

Description

Guardrail for road construction

Technical Field

The utility model relates to the technical field of guardrails, in particular to a guardrail for road construction.

Background

In the building process, in order to improve the safety, a construction protective fence is arranged on the periphery of a foundation pit and a material stacking and processing site on a construction site so as to isolate and warn personnel on the construction site. At present, most warning banners of the protective guard are directly sprayed, so that the warning banners are inconvenient to replace, and the anti-collision performance of the protective guard is required to be improved.

In order to solve the problems, china patent (bulletin number: CN 213953212U) discloses a protective fence for road construction, which comprises upright posts, wherein two fixing rods which are distributed up and down are fixedly connected between the two upright posts, symmetrically distributed fixing plates are arranged between the two fixing rods, and a detachable publicity board which is written with a warning sign language is arranged between the two fixing plates.

According to the scheme, the buffer component is arranged in the upright post, so that the anti-collision performance of the guardrail is improved, and the slot is formed in the inner side of the fixed plate, so that the propaganda plate is convenient to assemble, disassemble and replace; but its guardrail is connected as an organic wholely, is inconvenient for adjusting the length of guardrail board in order to adapt to different roads simultaneously also is inconvenient for accomodating the arrangement so that use next time.

Disclosure of Invention

Aiming at the defects in the prior art, the utility model provides a guardrail for road construction, which solves the problems that the length of a guardrail plate cannot be adjusted and the guardrail plate is inconvenient to store in the prior art.

In order to solve the problems, the utility model provides the following scheme:

a guardrail for road construction comprising:

the first fence is provided with a second fence in a sliding manner along the length direction of the first fence, and one side of each of the first fence and the second fence is connected with a supporting rod;

the telescopic component is connected with the second baffle plate and is positioned in the first baffle plate, and comprises a screw rod rotatably arranged at one side in the first baffle plate, a sliding plate is connected with the screw rod in a threaded manner, and the sliding plate is connected with the first baffle plate in a sliding manner and is fixedly connected with the second baffle plate;

one end of the screw rod is connected with a driving assembly for driving the screw rod to rotate, the driving assembly comprises a driving box connected with the first fence, a rotating rod is rotationally connected in the driving box, a driving bevel gear is sleeved on the rotating rod, and a driven bevel gear meshed with the driving bevel gear is sleeved on the screw rod.

The technical principle of the utility model is as follows: the rotating rod rotates, the driving bevel gear is meshed with the driven bevel gear, the screw rod starts to rotate to drive the sliding plate to slide in the first fence, and finally the second sliding plate is driven to slide.

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

1. the telescopic component is arranged, and the total length of the whole breast board is adjusted through the sliding of the second breast board so as to adapt to different road intersections; meanwhile, the second breast board can be contracted to the shortest so as to be stored, and the next use is convenient.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of the connection structure of a first rail and a second rail according to the present utility model;

FIG. 3 is a schematic view of a buffer assembly according to the present utility model;

fig. 4 is a schematic view of the structure of the connection of the placement housing and the moving wheel of the present utility model.

In the above figures: the movable rail comprises a first rail plate 1, a second rail plate 2, a screw rod 3, a sliding plate 4, a driving box 5, a rotating rod 6, a driving bevel gear 7, a driven bevel gear 8, a first motor 9, a guide rod 10, a connecting groove 11, a supporting rod 12, a buffer rod 13, a spring 14, a placing shell 15, a movable plate 16, a threaded rod 17, a movable wheel 18, a warning lamp 19 and a second motor 20.

Detailed Description

The technical scheme of the utility model is further described below with reference to the accompanying drawings and examples.

As shown in fig. 1-2, the present utility model provides a guardrail for road construction, comprising:

the first breast board 1 is provided with a second breast board 2 in a sliding manner along the length direction of the first breast board 1, and one side of each of the first breast board 1 and one side of each of the second breast board 2 are connected with a supporting rod 12;

the telescopic component is connected with the second breast board 2 and is positioned in the first breast board 1, and comprises a screw rod 3 rotatably arranged at one side in the first breast board 1, the screw rod 3 is in threaded connection with a sliding plate 4, and the sliding plate 4 is in sliding connection with the first breast board 1 and is fixedly connected with the second breast board 2;

one end of the screw rod 3 is connected with a driving assembly for driving the screw rod 3 to rotate, the driving assembly comprises a driving box 5 connected with the first fence plate 1, a rotating rod 6 is rotationally connected with the driving box 5, a driving bevel gear 7 is sleeved on the rotating rod 6, and a driven bevel gear 8 meshed with the driving bevel gear 7 is sleeved on the screw rod 3.

The concrete working process of the device is that the driving assembly drives the screw rod 3 to rotate, so that the second breast board 2 finally contracts to adjust the total length, specifically, the rotating rod 6 rotates, the screw rod 3 rotates under the meshing of the driving bevel gear 7 and the driven bevel gear 8, the sliding plate 4 slides in the first breast board 1, the second breast board 2 is driven to stretch out and draw back, the left side supporting rod 12 is connected with the first breast board 1, and the right side supporting rod 12 is connected with the second breast board 2.

Further, a guide rod 10 slidably connected to the slide plate 4 is disposed in the first rail plate 1 along the moving direction of the second rail plate 2. Because the lead screw 3 is located one side in the first breast board 1, the slide 4 can take place circumstances such as slope when moving, and the guide bar 10 makes slide 4 can slide in the first breast board 1 steadily, has guaranteed the stability of device.

Further, warning lamps 19 are arranged at the tops of two sides of the supporting rod 12. Through setting up warning light 19, effectively remind the passerby that walks at night and the existence of the vehicle breast board that goes on and off to reduce the emergence of accident, increase the security of device.

Further, a first motor 9 is disposed at one end of the rotating rod 6 and is located outside the driving box 5. The first motor 9 controls the rotation of the rotating rod 6, and the first motor 9 is started, so that the rotating rod 6 starts to work, and the normal expansion and contraction of the second breast board 2 are ensured to adjust the total length.

As shown in fig. 3, according to another embodiment of the present utility model, the support rod 12 is provided with a connecting slot 11 along the length direction thereof, the first rail plate 1 or the second rail plate 2 is fixed by a buffer assembly after being embedded into the corresponding connecting slot 11, the buffer assembly comprises a buffer rod 13 penetrating through one side of the first rail plate 1 or the second rail plate 2, both ends of the buffer rod 13 freely penetrate through the outside of the support rod 12, and springs 14 propped against between the first rail plate 1 or the second rail plate 2 and the inner wall of the corresponding connecting slot 11 are sleeved on the buffer rod 13 in a sliding manner.

The working process is that in the embodiment, the left side of the first breast board 1 is embedded into the connecting groove 11 of the corresponding supporting rod 12 through two groups of buffer components, and the right side of the second breast board 2 is embedded into the connecting groove 11 of the corresponding supporting rod 12 through two groups of buffer components. The two groups of buffer components can better ensure the stability of the scarf joint of the first breast board 1 or the second breast board 2 and the connecting groove 11. Two groups of buffer components on the first breast board 1 are arranged at the upper end and the lower end of the left side of the first breast board 1, two groups of buffer components on the second breast board 2 are respectively arranged at the upper end and the lower end of the right side of the second breast board 2, the buffer components comprise buffer rods 13 penetrating through the first breast board 1 or the second breast board 2, springs 14 are sleeved on the buffer rods 13 in a sliding manner, two groups of springs 14 are arranged in total, and the two groups of springs 14 are propped against between the opposite two side surfaces of the first breast board 1 or the second breast board 2 and the inner wall of the corresponding connecting groove 1 in a one-to-one correspondence manner. When a vehicle collides with the first baffle plate 1 or the second baffle plate 2, the first baffle plate 1 and the second baffle plate 2 move backwards, and the buffer rods 13 positioned at the upper end and the lower end of the first baffle plate 1 and the second baffle plate 2 move freely, so that the springs 14 which are arranged between the inner wall of the connecting groove 11 and the first baffle plate 1 or the second baffle plate 2 and sleeved on the buffer rods 13 are repeatedly compressed and stretched, the impact between the first baffle plate 1 or the second baffle plate 2 and the vehicle is reduced, and the first baffle plate 1 and the second baffle plate 2 have a certain anti-collision performance.

As shown in fig. 4, according to another embodiment of the present utility model, the bottoms of the two support rods 12 are connected with a placement shell 15, a placement opening is formed in the bottom of the placement shell 15, a sliding opening is longitudinally formed in one side of the placement shell 15, a moving plate 16 extending out of the sliding opening is slidably connected in the placement shell 15, a threaded rod 17 is rotatably connected to one side of the placement shell 15, one end of the threaded rod 17 is connected with a second motor 20, the threaded rod 17 is in threaded connection with the moving plate 16, and a moving wheel 18 is connected to the bottom of the moving plate 16.

The movable wheels 18 are arranged, so that the whole device is convenient to move and put; in this embodiment, the moving wheels 18 are disposed below the two support rods 12, so that the moving wheels 18 are disposed in two, and when the moving wheels 18 are not needed, the second motor 20 is started, the threaded rod 17 rotates, and the moving plate 16 is slidably connected with the placement housing 15. The sliding port is provided on the right side of the placement case, and the moving plate 16 extends out of the placement case 15 and moves in the sliding port. The setting of sliding port makes movable plate 16 can normally remove and drives simultaneously and remove the wheel 18 and upwards remove, and then remove the wheel 18 and get into from placing the mouth and place in the shell 15, avoid whole device to receive the condition that external force influences at will removes. When it is desired to use the moving wheel 18, the second motor 20 is activated in the opposite direction, and the moving wheel 18 is moved away from the placement housing 15 from the placement opening. The simultaneous activation and deactivation of the second motor 20 ensures that the moving wheels 18 under different support bars 12 are always in the same horizontal plane.

Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered by the scope of the claims of the present utility model.

Claims

1. A guardrail for road construction, comprising:

the first fence plate (1), the second fence plate (2) is slidably arranged on the first fence plate (1) along the length direction of the first fence plate, and support rods (12) are connected to one side of each of the first fence plate (1) and one side of each of the second fence plates (2);

the telescopic assembly is connected with the second baffle plate (2) and is positioned in the first baffle plate (1), and comprises a screw rod (3) rotatably arranged at one side in the first baffle plate (1), the screw rod (3) is in threaded connection with a sliding plate (4), and the sliding plate (4) is in sliding connection with the first baffle plate (1) and is fixedly connected with the second baffle plate (2);

one end of the screw rod (3) is connected with a driving assembly for driving the screw rod (3) to rotate, the driving assembly comprises a driving box (5) connected with the first fence plate (1), a rotating rod (6) is rotationally connected to the driving box (5), a driving bevel gear (7) is sleeved on the rotating rod (6), and a driven bevel gear (8) meshed with the driving bevel gear (7) is sleeved on the screw rod (3).

2. A road construction barrier according to claim 1, characterized in that one end of the swivel rod (6) is provided with a first motor (9) located outside the drive box (5).

3. A road construction railing according to claim 1, characterised in that the first railing panel (1) is provided with a guiding rod (10) in sliding connection with the slide board (4) in the direction of movement of the second railing panel (2).

4. The guardrail for road construction according to claim 1, characterized in that the supporting rod (12) is provided with a connecting groove (11) along the length direction thereof, the first guardrail plate (1) or the second guardrail plate (2) is embedded into the corresponding connecting groove (11) and then is limited and fixed through a buffer component, the buffer component comprises a buffer rod (13) penetrating through one side of the first guardrail plate (1) or the second guardrail plate (2), two ends of the buffer rod (13) freely penetrate through the outside of the supporting rod (12) and springs (14) propped against the inner wall of the corresponding connecting groove (11) are sleeved on the buffer rod (13) in a sliding mode.

5. The guardrail for road construction according to claim 1, characterized in that the bottoms of the two support rods (12) are connected with a placing shell (15), a placing opening is formed in the bottom of the placing shell (15), a sliding opening is longitudinally formed in one side of the placing shell (15), a moving plate (16) extending out of the sliding opening is connected in a sliding mode in the placing shell (15), a threaded rod (17) is connected to one side of the placing shell (15) in a rotating mode, one end of the threaded rod (17) is connected with a second motor (20), the threaded rod (17) is connected with the moving plate (16) in a threaded mode, and a moving wheel (18) is connected to the bottom of the moving plate (16).

6. The guardrail for road construction according to claim 1, characterized in that warning lamps (19) are arranged at the tops of two sides of the supporting rod (12).