CN215803695U

CN215803695U - Telescopic safety protective fence

Info

Publication number: CN215803695U
Application number: CN202121970031.1U
Authority: CN
Inventors: 吴豪
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-08-20
Filing date: 2021-08-20
Publication date: 2022-02-11
Anticipated expiration: 2031-08-20

Abstract

The utility model relates to the field of constructional engineering, in particular to a telescopic safety protective guard, which comprises a first upright post, a second upright post, a third upright post and a fourth upright post which are arranged in parallel, and a base arranged below the first upright post, the second upright post and the fourth upright post, wherein at least one fixed cross beam penetrates and is fixed between the first upright post and the second upright post, and the second upright post is hinged with the third upright post; a movable cross beam matched with the fixed cross beam is arranged between the third upright post and the fourth upright post, one end of the movable cross beam is fixed on the fourth upright post, the other end of the movable cross beam penetrates through the third upright post, and when the movable cross beam slides on the third upright post, the movable cross beam is shrunk and embedded in the fixed cross beam; the movable end of the movable cross beam is also provided with a convex ring, and the third upright post is provided with a countersunk through hole for mounting the movable cross beam and used for limiting the movable cross beam to be separated from the third upright post. The utility model can be contracted and folded, is convenient to install, firm in support and can better play a role in safety protection.

Description

Telescopic safety protective fence

Technical Field

The utility model relates to the field of constructional engineering, in particular to a telescopic safety protective guard.

Background

At present, the national building industry is developed vigorously, and the nation greatly increases infrastructure construction, however, the quality and safety problems are most concerned in the building construction process, and the humanized management is more likely to be realized. In order to strengthen the safety control and standardized construction of a construction site, safety protection facilities are indispensable temporary facilities, and the application of safety guardrails is more and more common. With the rapid development of the building industry, the safety problem needs to be solved as the first major accident, particularly the high-altitude falling problem, which accounts for 30% of the safety accidents every year, so that the safety edge protection is well made, and the safety edge protection method has great significance for guaranteeing the field safety.

The on-site edge protection, the edge protection facilities of a mud pit, a hole, a foundation pit, a high position edge and the like are required to be made, so that the safety of a construction site is ensured. At present, cross folding type safety protective guards, steel pipe fastener protective guards and customized mesh sheet protective guards are available in the market, and although the cross folding type safety protective guards are convenient to install and use, the cross folding type safety protective guards do not meet the safety standardization requirements; the steel pipe fastener protective fence has more parts, is troublesome to install and maintain on site, needs more manpower and occupies a large area; the customized mesh guardrail is difficult to install on site, does not play a role in safety protection, is easy to damage and occupies a large space.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a telescopic safety guard rail, which solves the problems that the existing safety guard rail has large floor area and is inconvenient to install and maintain when not used.

In order to solve the technical problems, the telescopic safety protective guard adopts the following technical means: the device comprises a first upright, a second upright, a third upright and a fourth upright which are arranged in parallel, and a base arranged below the first upright, the second upright and the fourth upright, wherein at least one fixed cross beam is fixed between the first upright and the second upright, the fixed cross beam is a hollow sleeve, through holes for mounting the fixed cross beam are arranged on the first upright and the second upright, and the second upright and the third upright are hinged; a movable cross beam matched with the fixed cross beam is arranged between the third upright post and the fourth upright post, one end of the movable cross beam is fixed on the fourth upright post, the other end of the movable cross beam penetrates through the third upright post, and when the movable cross beam slides on the third upright post, the movable cross beam is shrunk and embedded in the fixed cross beam; the movable end of the movable cross beam is also provided with a convex ring, the third stand column is provided with a countersunk through hole for mounting the movable cross beam, and the countersunk through hole on the third stand column is matched with the convex ring at the movable end of the movable cross beam and used for limiting the movable cross beam to be separated from the third stand column.

The telescopic safety protective guard of the technical scheme has the following technical advantages: according to the utility model, through the hinge design at the upright columns, when the movable cross beam is pulled out of the fixed cross beam to the longest state, the fourth upright column and the movable cross beam are folded in half towards the first upright column and the second upright column through the hinge between the second upright column and the third upright column, so that the safety guardrail can be folded and stored when not in use, and meanwhile, the safety guardrail can be greatly convenient to transfer. The guardrail is retractable and foldable, can be folded when not in use, reduces the length by one time, occupies a floor area, can be quickly installed and dismantled by one person, is convenient to carry and maintain, and is provided with the first upright post, the second upright post, the third upright post, the fourth upright post and the like, so that the whole guardrail has better rigidity and is more stable. Compared with the customized mesh guard bar, the utility model has firmer and more reliable structure and can better ensure the safety of the edge of the construction site. According to the utility model, through the telescopic steel pipe, not only can the rigidity and durability of the material be ensured to ensure the safety function, but also the transportation, storage and installation are convenient, and the operation is simple. The length of the safety guardrail can be adjusted within a certain range, compared with the traditional safety guardrail with fixed length, the situation that the safety guardrail is not installed in place due to the fact that gaps occur after the safety guardrail is installed is avoided, and when the safety guardrail needs corners, the corners are convenient to install, and only the second upright post and the third upright post need to be rotated by a certain angle.

Preferably, the base is further provided with at least one through hole, the through hole is provided with a sleeve extending upwards, a steel pipe used for fixing the base is arranged in the sleeve, and the steel pipe is fixed on the ground.

Preferably, the base is installed on the ground in a manner of planting bars on the ground.

According to the preferable scheme, a bolt expansion sleeve is embedded in the ground below the base, and the base is fixed in the bolt expansion sleeve on the ground through a bolt.

As a preferred scheme, inclined struts are arranged between the first upright post, the second upright post, the fourth upright post and the base; the inclined strut, the upright post and the base can form a triangle, so that the handrail has better stability, and meanwhile, the integral rigidity is improved.

Preferably, the second upright post is connected with the third upright post through a hinge.

As a preferred scheme, the fixed cross beam is provided with three parts from top to bottom in parallel, and the three parts are divided into an upper fixed cross beam, a middle fixed cross beam and a lower fixed cross beam; the movable cross beam is also correspondingly provided with three positions; the three fixed cross beams are beneficial to improving the rigidity between the upright columns and simplifying the safety guardrail structure.

Preferably, the height of the upper fixed cross beam from the ground is 1.0-1.2 m, and the height of the middle fixed cross beam from the ground is 0.5-0.6 m.

As a preferred scheme, a foot baffle plate is fixed between the lower fixed cross beam and the ground, and the lower end of the foot baffle plate is tightly attached to the ground; the foot blocking plate can limit the distance between the working personnel and the guardrail, and the working personnel are prevented from being too close to the safety guardrail.

As a preferred scheme, a close mesh type safety net for sealing is fixed on the fixed cross beam, the movable cross beam, the first upright post, the second upright post, the third upright post and the fourth upright post; the dense mesh type safety net has smaller mesh gaps and tensile strength, and can better play a role in protection.

Drawings

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

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

FIG. 3 is a schematic view of the present invention when folded;

FIG. 4 is a cross-sectional view taken along line A-A of FIG. 1 according to the present invention.

The main part symbols in the figures are explained as follows:

1. a first upright post; 2. a second upright post; 3. a third column; 4. a fourth column; 5. fixing the cross beam; 6. a movable cross beam; 7. a base; 8. bracing; 9. a hinge; 10. a sleeve; 11. a steel pipe; 12. a convex ring.

Detailed Description

The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the utility model.

As shown in fig. 1, the safety barrier includes a first upright 1, a second upright 2, a third upright 3 and a fourth upright 4 which are parallel to each other and are in the same plane, at least one fixed cross beam 5 is fixed between the first upright 1 and the second upright 2, preferably three fixed cross beams 5 which are parallel to each other are provided, the fixed cross beam 5 is a hollow sleeve, and through holes for installing the fixed cross beams 5 are provided on the first upright 1 and the second upright 2; a movable cross beam 6 matched with the fixed cross beam is arranged between the third upright post 3 and the fourth upright post 4, one end of the movable cross beam 6 is fixed on the fourth upright post 4, and the other end of the movable cross beam 6 penetrates through the third upright post 3; in a normal state, the movable cross beam 6 is contracted and embedded in the fixed cross beam 5, and when the movable cross beam 6 slides on the third upright post 3, the movable cross beam 6 can move telescopically in the fixed cross beam 5; the second upright post 2 is hinged with the third upright post 3, can adopt a hinge connection, can also be provided with connecting lugs on the second upright post 2 and the third upright post 3 and is connected through a fixed rotating shaft.

As shown in fig. 1, after the movable cross beam 6 is completely pulled out of the fixed cross beam 5, the fourth upright post 4 and the movable cross beam 6 are folded in half through the hinge 9 between the second upright post 2 and the third upright post 3, so that the length of the unfolded safety barrier is shortened by half after being folded in half, the volume of the safety barrier is greatly reduced, and the safety barrier is convenient to store and transfer.

As shown in fig. 2, when the movable cross beam 6 slides on the third upright post 3, the movable cross beam 6 can be retracted in the fixed cross beam 5, the length of the safety barrier has a certain adjustment range, the adjustment range of the safety barrier is 1-2 times of that after being folded, compared with the traditional safety barrier with fixed length, the situation that the safety barrier is not installed in place due to the occurrence of a gap after the safety barrier is installed can be avoided, and only the length of the movable cross beam 6 extending out of the fixed cross beam 5 needs to be adjusted; and when the safety barrier needs the corner installation, only need with between second stand 2 and the third stand 3 through hinge 9 rotation certain angle can.

As shown in fig. 2, the fixed beam 5 is provided with three parallel positions from top to bottom, and is divided into an upper fixed beam, a middle fixed beam and a lower fixed beam; the movable cross beam is also correspondingly provided with three positions, the height of the upper fixed cross beam from the ground is 1.0-1.2 m, the height of the middle fixed cross beam from the ground and the lower fixed cross beam from the ground is 0.5-0.6 m, preferably the height of the lower cross beam from the ground is 50mm, the height of the middle cross beam from the ground is 500mm, the height of the upper cross beam from the ground is 1200mm, and the heights of the first upright 1, the second upright 2, the third upright 3 and the fourth upright 4 are 1300 mm; a foot baffle plate is fixed between the lower fixed cross beam and the ground, and the lower end of the foot baffle plate is tightly attached to the ground; and a close mesh type safety net for sealing is fixed on the fixed cross beam 5, the movable cross beam 6, the first upright post 1, the second upright post 2, the third upright post 3 and the fourth upright post 4.

As shown in fig. 3, the movable cross beam 6 is further provided with a protruding ring at the movable end, the third column 3 is provided with a countersunk through hole for mounting the movable cross beam 6, the countersunk through hole on the third column 3 is matched with the protruding ring 12 at the movable end of the movable cross beam 6 for limiting the movable cross beam 6 from separating from the third column 3, and the protruding ring can be integrally cast with the movable cross beam 6 or fixed on the movable cross beam 6 by welding.

As shown in fig. 4, a base is arranged below the first upright post 1, the second upright post 2 and the fourth upright post 4, and inclined struts 8 are arranged between the first upright post 1, the second upright post 2, the fourth upright post 4 and the base 7; the base 7 and the ground can adopt a plurality of fixing modes: 1. the base 7 is also provided with at least one through hole, the through hole is provided with a sleeve 10 extending upwards, a steel pipe 11 used for fixing the base 7 is arranged in the sleeve 10, and the steel pipe 11 is fixed on the ground; 2. the seat 7 is arranged on the ground in a mode of planting bars on the ground; 3. the bolt expansion sleeve is embedded on the ground below the base 7, and the base 7 is fixed in the bolt expansion sleeve on the ground through a bolt.

The steel bar planting is that a hole is drilled on a base material such as concrete, wall rock and the like, then high-strength steel bar planting glue is injected, a steel bar or a section bar is inserted, and the steel bar and the base material are bonded into a whole after the glue is cured, so that the steel bar planting is a building engineering technology which is commonly used in the reinforcing industry; the safety barrier can adopt modes such as welding, bending deformation and the like to fix the base by planting the safety barrier on the ground.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. The utility model provides a telescopic safety protective guard which characterized in that: the device comprises a first upright, a second upright, a third upright and a fourth upright which are arranged in parallel, and a base arranged below the first upright, the second upright and the fourth upright, wherein at least one fixed cross beam is fixed between the first upright and the second upright, the fixed cross beam is a hollow sleeve, through holes for mounting the fixed cross beam are arranged on the first upright and the second upright, and the second upright and the third upright are hinged; a movable cross beam matched with the fixed cross beam is arranged between the third upright post and the fourth upright post, one end of the movable cross beam is fixed on the fourth upright post, the other end of the movable cross beam penetrates through the third upright post, and when the movable cross beam slides on the third upright post, the movable cross beam is shrunk and embedded in the fixed cross beam;

the movable end of the movable cross beam is also provided with a convex ring, the third stand column is provided with a countersunk through hole for mounting the movable cross beam, and the countersunk through hole on the third stand column is matched with the convex ring at the movable end of the movable cross beam and used for limiting the movable cross beam to be separated from the third stand column.

2. The telescopic safety guard rail of claim 1, wherein: diagonal braces are arranged between the first upright post, the second upright post, the fourth upright post and the base.

3. The retractable safety guard rail of claim 2, wherein: still be equipped with at least one through-hole on the base, be equipped with the sleeve that upwards extends on the through-hole, be equipped with the steel pipe that is used for unable adjustment base in the sleeve, the steel pipe is fixed subaerial.

4. The retractable safety guard rail of claim 2, wherein: the base is installed on the ground in a mode of planting bars on the ground.

5. The retractable safety guard rail of claim 2, wherein: the bolt expansion sleeve is embedded in the ground below the base, and the base is fixed in the bolt expansion sleeve on the ground through a bolt.

6. The telescopic safety guard rail of claim 1, wherein: and the second upright post is connected with the third upright post through a hinge.

7. The telescopic safety guard rail of claim 1, wherein: the fixed cross beam is provided with three parts from top to bottom in parallel and is divided into an upper fixed cross beam, a middle fixed cross beam and a lower fixed cross beam; the movable cross beam is also correspondingly provided with three positions.

8. The retractable safety guard rail of claim 7, wherein: the ground clearance of the upper fixed cross beam is 1.0-1.2 m, and the ground clearance of the middle fixed cross beam and the lower fixed cross beam is 0.5-0.6 m.

9. The retractable safety guard rail of claim 8, wherein: a foot baffle plate is fixed between the lower fixed cross beam and the ground, and the lower end of the foot baffle plate is tightly attached to the ground.

10. The telescopic safety guard rail of claim 1, wherein: and a dense mesh type safety net for sealing is fixed on the fixed cross beam, the movable cross beam, the first upright column, the second upright column, the third upright column and the fourth upright column.