CN216240092U

CN216240092U - Construction site safety protective guard

Info

Publication number: CN216240092U
Application number: CN202122802221.9U
Authority: CN
Inventors: 黄攀; 李成; 杨雅清; 王璐; 童军; 胡成; 杨迎
Original assignee: Jiangxi Huaan Construction Group Co ltd
Current assignee: Jiangxi Huaan Construction Group Co ltd
Priority date: 2021-11-16
Filing date: 2021-11-16
Publication date: 2022-04-08
Anticipated expiration: 2031-11-16

Abstract

The utility model discloses a safety protective guard for a construction site, which relates to the technical field of protective guards and comprises a bottom plate and upright posts symmetrically fixed on the bottom plate, wherein a driving bevel gear and a driven bevel gear which are meshed with each other are arranged in the upright posts, a threaded rod is coaxially connected above the driven bevel gear, the lower part of the driven bevel gear is movably connected to the bottom of the upright post through a connecting shaft I, an upper plate is in threaded connection with the threaded rod, a reinforcing plate is fixedly connected between the upright posts, a fixed cylinder is fixed between the reinforcing plate and the bottom plate, the top end of the fixed cylinder extends upwards until the end part of the fixed cylinder is not lower than the upper surface of the reinforcing plate, a movable rod corresponding to the fixed cylinder is fixed below the upper plate, and the fixed cylinder is connected with the movable rod through a screw. According to the utility model, the distance between the upper plate and the bottom plate can be changed by rotating the threaded rod, so that the novel adjustable screw rod can be suitable for workers with different heights to use, and the potential safety hazard during working is greatly reduced.

Description

Construction site safety protective guard

Technical Field

The utility model relates to the technical field of protective guards, in particular to a safety protective guard for a construction site.

Background

The guardrail is a fence, and is mainly used for protecting and protecting personal safety and equipment facilities in occasions such as houses, roads, commercial districts, construction sites and public places, the guardrail is visible everywhere in our lives, the price of the guardrail in each meter of length can be different according to the difference of the height, at present, the application of the safety guardrail is very common in the process of building construction, and a plurality of safety accidents are effectively prevented.

When a worker is in construction, due to the fact that the heights of the worker are different, the existing guard rail is generally fixed in height, and compared with the heights of the worker, when the guard rail is low in height, safety is insufficient, safety accidents are prone to occurring, and when the guard rail is high in height, normal use of the worker can be affected. In summary, we provide a height-adjustable construction site safety guard rail.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a safety protective guard for a construction site, which aims to solve the problems in the technical background. In order to achieve the purpose, the utility model provides the following technical scheme:

a safety protective guard for a construction site comprises a bottom plate and upright posts symmetrically fixed on the bottom plate;

the upright post is of a hollow tubular structure with an opening at one end, a driving bevel gear and a driven bevel gear which are meshed with each other are arranged in the upright post, a threaded rod is coaxially connected above the driven bevel gear, the lower part of the driven bevel gear is movably connected to the bottom of the upright post through a connecting shaft I, a connecting shaft II which movably penetrates through the side wall of the upright post is coaxially connected to one side of the driving bevel gear, and an upper plate is in threaded connection with the threaded rod;

fixedly connected with reinforcing plate between the stand, be fixed with a solid fixed cylinder between reinforcing plate and the bottom plate, the top of solid fixed cylinder upwards extends until its tip is not less than the upper surface of reinforcing plate, the upper plate below is fixed with the movable rod corresponding with a solid fixed cylinder, the movable rod lower extreme extends until stretching into solid fixed cylinder towards solid fixed cylinder, just through screwed connection between solid fixed cylinder and the movable rod, gu the fixed cylinder surface be equipped with a plurality of vertical arrangements and with the hole of screw looks adaptation.

As a further scheme of the utility model: and a hand-operated wheel is fixed on one side of the second connecting shaft, which is far away from the driving bevel gear, and a hand-operated rod is eccentrically arranged on one side of the hand-operated wheel.

As a further scheme of the utility model: the outside of the upright post is connected with a side plate through a telescopic rod.

As a further scheme of the utility model: the telescopic link has the barrel of fixing in stand one side and fixes the body of rod constitution in curb plate one side, body of rod sliding connection is in the barrel, just through the bolt connection between the body of rod and the barrel, be equipped with a plurality of pinholes of transversely arranging and with bolt looks adaptation on the body of rod.

As a further scheme of the utility model: the bottom of the side plate is connected to the bottom plate in a sliding mode, a sliding groove for the side plate to slide is formed in the bottom plate, the upper end of the side plate extends upwards until penetrating through the upper plate, and a running groove for the side plate to slide is formed in the upper plate.

As a further scheme of the utility model: a limiting plate is fixed to the top of the threaded rod, and the top surface of the side plate is higher than the bottom surface of the limiting plate.

Has the advantages that:

1. the utility model provides a threaded rod and an upper plate, wherein the upper plate can be driven to freely lift on the threaded rod through the rotation of the threaded rod, so that the distance between the bottom plate and the upper plate can be freely changed, the distance between the bottom plate and the upper plate can be adjusted according to the height of a specific worker, the bottom plate and the upper plate can be well protected, meanwhile, the movable rod and the fixed cylinder are further arranged, the movable rod and the fixed cylinder can be arranged, the movable rod and the fixed cylinder can support and stabilize the upper plate, and meanwhile, the movable rod, the fixed cylinder and the reinforcing plate can separate a gap between the upper plate and the bottom plate, so that the worker is prevented from falling out of the gap between the upper plate and the bottom plate.

Drawings

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

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

FIG. 3 is a schematic view of the internal structure of the column according to the present invention;

in the figure: 1. a base plate; 2. a column; 3. a reinforcing plate; 4. a fixed cylinder; 5. a screw; 6. a movable rod; 7. a threaded rod; 8. a limiting plate; 9. an upper plate; 10. a hand-operated wheel; 11. a telescopic rod; 12. a side plate; 13. a drive bevel gear; 14. a driven bevel gear.

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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The utility model provides the following technical scheme:

as shown in fig. 1 to 3, a safety guard rail for a construction site comprises a base plate 1 and upright posts 2 symmetrically fixed on the base plate 1;

the upright post 2 is of a hollow tubular structure with an opening at one end, a driving bevel gear 13 and a driven bevel gear 14 which are meshed with each other are arranged in the upright post 2, a threaded rod 7 is coaxially connected above the driven bevel gear 14, the lower part of the driven bevel gear is movably connected to the bottom of the upright post 2 through a connecting shaft I, one side of the driving bevel gear 13 is coaxially connected with a connecting shaft II which movably penetrates through the side wall of the upright post 2, and an upper plate 9 is in threaded connection with the threaded rod 7;

the reinforcing plate 3 is fixedly connected between the upright posts 2, the reinforcing plate 3 can reinforce and stabilize the integral structure of the utility model, so that the utility model has good protection performance, the fixed cylinder 4 is fixed between the reinforcing plate 3 and the bottom plate 1, the top end of the fixed cylinder 4 extends upwards until the end part of the fixed cylinder is not lower than the upper surface of the reinforcing plate 3, the arrangement is such that the movable rod 6 can be just matched with the fixed cylinder 4, the movable rod 6 corresponding to the fixed cylinder 4 is fixed below the upper plate 9, the lower end of the movable rod 6 extends towards the fixed cylinder 4 until the lower end of the movable rod extends into the fixed cylinder 4, the fixed cylinder 4 is connected with the movable rod 6 through the screw 5, the surface of the fixed cylinder 4 is provided with a plurality of vertically arranged holes matched with the screw 5, simultaneously, the movable rod 6 can move along with the movement of the upper plate 9, and after the height of the upper plate 9 is adjusted, the fixed cylinder 4 and the movable rod 6 can be fixed through the screw 5, meanwhile, the movable rod 6, the fixed cylinder 4 and the reinforcing plate 3 can separate a gap between the upper plate 9 and the bottom plate 1, so that workers are prevented from falling out of the gap between the upper plate 9 and the bottom plate 1, the novel multifunctional electric support can be suitable for workers with different heights, and meanwhile, the potential safety hazard of the workers during working is greatly reduced.

One side of the second connecting shaft, which is far away from the driving bevel gear 13, is fixed with a hand-operated wheel 10, one side of the hand-operated wheel 10 is eccentrically provided with a hand-operated rod, and the hand holds the hand-operated rod to drive the hand-operated wheel 10 to rotate, so that the driving bevel gear 13 can be driven to rotate, the driven bevel gear 14 is driven to rotate through the meshing relation, the rotation of the threaded rod 7 can be realized, and the purpose of changing the height of the upper plate 9 is achieved.

The outer side of the upright post 2 is connected with a side plate 12 through an expansion link 11, and the length of the expansion link 11 is variable, so that the position of the side plate 12 can be changed by changing the length of the expansion link 11 in actual use, and the utility model has the function of changing the transverse extension length of the expansion link, and is suitable for construction processes in different environments.

Telescopic link 11 has the barrel of fixing in 2 one sides of stand and fixes the body of rod constitution in curb plate 12 one side, and body of rod sliding connection is in the barrel, and through the bolt connection between the body of rod and the barrel, be equipped with a plurality of horizontal arrangement on the body of rod and with the pinhole of bolt looks adaptation, stretch into the length in the barrel through changing the body of rod, can change telescopic link 11's length, after 11 length adjustment of telescopic link finishes, can be fixed telescopic link 11 through the bolt.

The bottom of the side plate 12 is slidably connected to the bottom plate 1, the bottom plate 1 is provided with a sliding groove for the side plate 12 to slide, the upper end of the side plate 12 extends upwards until penetrating through the upper plate 9, the upper plate 9 is provided with a running groove for the side plate 12 to slide, the side plate 12 slides in the sliding groove and the running groove, the moving direction of the side plate 12 can be limited through the sliding groove and the running groove, and meanwhile, the side plate 12 penetrates through the upper plate 9, so that when the height of the upper plate 9 is adjusted, the function of transverse extension of the utility model cannot be influenced.

The top of the threaded rod 7 is fixed with the limiting plate 8, and the top surface of the side plate 12 is higher than the bottom surface of the limiting plate 8, so that when the upper plate 9 is adjusted to the limit position, the side plate 12 is always positioned in the running groove, the normal movement of the side plate 12 cannot be influenced, and meanwhile, the structural integrity of the utility model is ensured.

The working principle is as follows: when the device works, the screw 5 is screwed out according to the specific height and the specific working environment of a worker, so that the movable rod 6 is in a movable state, the threaded rod 7 is rotated to drive the upper plate 9 to move freely, and after the distance between the upper plate 9 and the bottom plate 1 reaches a preset position, the screw 5 is screwed in to fix the position between the fixed cylinder 4 and the movable rod 6.

The preferred embodiments of the utility model disclosed above are intended to be illustrative only. The preferred embodiments are not exhaustive and do not limit the utility model to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best utilize the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a construction site safety protective guard which characterized in that: comprises a bottom plate (1) and upright posts (2) symmetrically fixed on the bottom plate (1);

the upright post (2) is of a hollow tubular structure with an opening at one end, a driving bevel gear (13) and a driven bevel gear (14) which are meshed with each other are arranged in the upright post (2), a threaded rod (7) is coaxially connected above the driven bevel gear (14), the lower part of the driven bevel gear is movably connected to the bottom of the upright post (2) through a connecting shaft I, a connecting shaft II which movably penetrates through the side wall of the upright post (2) is coaxially connected to one side of the driving bevel gear (13), and an upper plate (9) is in threaded connection with the threaded rod (7);

fixedly connected with reinforcing plate (3) between stand (2), be fixed with solid fixed cylinder (4) between reinforcing plate (3) and bottom plate (1), the top of solid fixed cylinder (4) upwards extends until its tip is not less than the upper surface of reinforcing plate (3), upper plate (9) below is fixed with movable rod (6) corresponding with solid fixed cylinder (4), movable rod (6) lower extreme extends until stretching into solid fixed cylinder (4) towards solid fixed cylinder (4), just be connected through screw (5) between solid fixed cylinder (4) and movable rod (6), gu fixed cylinder (4) surface is equipped with a plurality of vertical rows and the hole with screw (5) looks adaptation.

2. The construction site safety guard rail of claim 1, wherein: one side of the second connecting shaft, which is far away from the driving bevel gear (13), is fixed with a hand-operated wheel (10), and one side of the hand-operated wheel (10) is eccentrically provided with a hand-operated rod.

3. The construction site safety guard rail of claim 1, wherein: the outer side of the upright post (2) is connected with a side plate (12) through a telescopic rod (11).

4. A construction site safety guard rail according to claim 3, wherein: telescopic link (11) have fix the barrel in stand (2) one side and fix the body of rod constitution in curb plate (12) one side, body of rod sliding connection is in the barrel, just through the bolt connection between the body of rod and the barrel, be equipped with a plurality of pinholes of transversely arranging and with bolt looks adaptation on the body of rod.

5. A construction site safety guard rail according to claim 3, wherein: the bottom of the side plate (12) is connected to the bottom plate (1) in a sliding mode, a sliding groove for the side plate (12) to slide is formed in the bottom plate (1), the upper end of the side plate (12) extends upwards until penetrating through the upper plate (9), and a running groove for the side plate (12) to slide is formed in the upper plate (9).

6. The construction site safety guard rail of claim 5, wherein: the top of threaded rod (7) is fixed with limiting plate (8), the top surface of curb plate (12) is higher than the bottom surface of limiting plate (8).