CN211647406U

CN211647406U - Handrail is prevented to concertina type

Info

Publication number: CN211647406U
Application number: CN201921924318.3U
Authority: CN
Inventors: 王敬峰; 王少飞; 宋震; 田亮; 王东
Original assignee: Shanghai Construction No 7 Group Co Ltd
Current assignee: Shanghai Construction No 7 Group Co Ltd
Priority date: 2019-11-06
Filing date: 2019-11-06
Publication date: 2020-10-09
Anticipated expiration: 2029-11-06

Abstract

The utility model provides a railing is prevented to concertina type belongs to construction technical field, and aim at prevents in solving traditional technology that the railing adopts the form of steel pipe and fastener, and not only the fastener quantity is big, and the construction difficult problem that the work load is big is demolishd and is transported in the later stage moreover. The connecting structure comprises a square upright rod and a square cross rod which are connected in a criss-cross mode to form a fence type structure, the cross rod is composed of telescopic rods and comprises a middle telescopic rod and an end telescopic rod, the end telescopic rod is provided with a connecting hole, an L-shaped fastener penetrates through the connecting hole, the L-shaped fastener is tightly attached to the existing structure, the cross rod is connected with the existing structure, and therefore damage to the existing structure is prevented. The existing structure may be a structural column or a wall. Therefore, compared with the guardrail which is built by adopting steel pipes and various fasteners, the telescopic guardrail rod does not damage the wall or the column.

Description

Handrail is prevented to concertina type

Technical Field

The utility model relates to a construction technical field, concretely relates to railing is prevented to concertina type.

Background

At present, with the rapid development of modern building industry, in various engineering projects such as office buildings, superstores, houses and the like in building design, high-rise buildings and super high-rise buildings in cities are increasingly used for ensuring the construction safety of the building engineering, the safety protection of the 'four-opening five-edge' part is more and more important in the engineering construction process, and the manpower and financial resources for the protection are greatly increased. The traditional adjacent safety protection facilities in construction sites all adopt guardrails which are built by steel pipes and various fasteners, have rough process and poor stability, are easy to move in the construction process and are difficult to meet the safety protection requirement; the used steel pipes and fasteners are large in quantity, and the transportation is inconvenient during later dismantling.

Therefore, a telescopic tool type edge protection guardrail design which overcomes the defects of the traditional process, saves cost, is simple to operate, is practical and efficient is needed.

We have devised a kind. The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information is prior art that is known to a person skilled in the art.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a telescopic type protection railing and construction method can solve the form that traditional handicraft protection railing adopted steel pipe and fastener, and not only the fastener quantity is big, and the construction difficult point that the work load is big is demolishd and is transported in the later stage moreover.

In order to realize the purpose, the technical scheme of the utility model is that:

a telescopic guard rail comprising:

the upright posts are fixed on the concrete floor at intervals according to a certain distance;

the cross rod is a telescopic rod made of a square tube, the cross rod and the vertical rod are connected in a longitudinal and transverse mode to form a protective railing, the cross rod comprises an end telescopic rod and a middle telescopic rod, and a connecting hole is formed in the end telescopic rod;

and the L-shaped fastener is tightly attached to the existing structure, wherein the long edge of the L-shaped fastener is arranged along the thickness direction of the existing structure, and the bolt respectively penetrates through the short edge of the L-shaped fastener and the connecting hole in the end part telescopic rod and is locked to complete the connection of the cross rod and the existing structure.

Compared with the prior art, the utility model discloses profitable technological effect lies in:

1. the utility model provides a railing is prevented to concertina type, it includes square pole setting and square horizontal pole vertically and horizontally intersect the rail type structure that connects formation, and this horizontal pole comprises the telescopic link, and includes middle part telescopic link and tip telescopic link, and wherein, the connecting hole is seted up to the tip telescopic link, adopts L type fastener to pass this connecting hole, and existing structure setting is hugged closely to L type fastener, accomplishes the horizontal pole and is connected with existing structure to prevent to cause the destruction to existing structure. The existing structure may be a structural column or a wall. Therefore, compared with the guardrail which is built by adopting steel pipes and various fasteners, the telescopic guardrail rod does not damage the wall or the column.

2. The utility model provides a construction method of telescopic type protection railing, this construction process is simple, firm, the installation is demolishd conveniently, can accelerate the construction progress of protection railing. Compared with the method of producing the roof air shaft pattern set, the method has the advantages that the requirements of the construction process of the top of the air shaft pipe are reduced, the later-stage dismantling and transportation are convenient, the occupied area for storage is small, the appearance is attractive, the circulation use can be realized, and the construction cost is better reduced. Especially accords with the trend of the building industry towards the development of tool and standardization, and has better popularization value.

Further, increase the firm in connection nature of horizontal pole and pole setting to guarantee the stability of concertina type guardrail bar, the horizontal pole with through the branch head bolt fastening between the pole setting.

Further, still include the base, the base will through the inflation screw the pole setting is fixed in on the concrete floor. The base is seted up the bolt hole all around, still is equipped with the rainwater hole on the base, increases the fastness of being connected of pole setting and concrete floor through the base.

Further, the existing structure is a wall or a structural column. Of course, according to actual engineering, the existing structure of the air shaft pipe opening can be a wall body or a structural column.

Further, the certain distance is 1500mm-2000 mm. The interval of pole setting is not more than 2000mm, generally considers a pole setting according to 1500mm, considers not less than three pole settings when the blast well pipe opening is greater than 2000mm and is less than 3500 mm.

Drawings

Fig. 1 is a schematic structural view of a telescopic guard rail according to an embodiment of the present invention;

FIG. 2 is a cross-sectional view A-A of FIG. 1;

FIG. 3 is a cross-sectional view B-B of FIG. 1;

fig. 4 is a top view of an L-shaped fastener in a telescopic guard rail according to an embodiment of the present invention;

fig. 5 is a fixing diagram of the base in the telescopic guard rail according to an embodiment of the present invention.

Fig. 6 is a top view of the base in the telescopic guard rail according to an embodiment of the present invention.

In the figure:

1-erecting a rod; 2-a cross bar; a 3-L type fastener; 4-existing structure; 5-a head bolt; 6-a base; 7-bolt; 8-expansion screw; 9-rainwater hole.

Detailed Description

The telescopic guard rail of the present invention will be described in detail with reference to the accompanying drawings and specific embodiments. The advantages and features of the present invention will become more fully apparent from the following description and appended claims. It should be noted that the drawings are in simplified form and are not to precise scale, and are provided for convenience and clarity in order to facilitate the description of the embodiments of the present invention. For convenience of description, the directions of "up" and "down" in the following description are the same as the directions of "up" and "down" in the drawings, but this should not be construed as limiting the technical solution of the present invention.

Example one

The structure of the telescopic guard rail of the present invention will be described in detail with reference to fig. 1 to 6.

Referring to fig. 1 to 6, a telescopic guard rail includes a structure formed by connecting vertical rods 1 and cross rods 2 through L-shaped fasteners 3, wherein the vertical rods 1 are fixed on a concrete floor at intervals; the cross rod 2 is a telescopic rod made of a square tube, the cross rod 2 and the vertical rod 1 are connected in a longitudinal and transverse mode to form a protective railing, the cross rod 2 comprises an end telescopic rod and a middle telescopic rod, and a connecting hole is formed in the end telescopic rod; the L-shaped fastener 3 is tightly attached to the existing structure 4, wherein the long edge of the L-shaped fastener 3 is arranged along the thickness direction of the existing structure 4, and the bolt 7 penetrates through the short edge of the L-shaped fastener 3 and a connecting hole in the end telescopic rod and is locked, so that the cross rod 2 is connected with the existing structure 4.

Particularly, the utility model provides a railing is prevented to concertina type, it includes square pole setting and 2 criss-cross fence type structures that connect formation of square horizontal pole, and this horizontal pole 2 comprises the telescopic link, and includes middle part telescopic link and tip telescopic link, and wherein, the connecting hole is seted up to the tip telescopic link, adopts L type fastener 3 to pass this connecting hole, and existing structure 4 setting is hugged closely to L type fastener 3, accomplishes horizontal pole 2 and existing structure 4's being connected to prevent to cause destruction to existing structure 4. The existing structure 4 may be a structural column or a wall. Therefore, compared with the guardrail which is built by adopting steel pipes and various fasteners, the telescopic guardrail rod does not damage the wall or the column.

In this embodiment, it is more preferable to increase the connection firmness of the cross rod 2 and the vertical rod 1, so as to ensure the stability of the telescopic guard rail, and the cross rod 2 and the vertical rod 1 are fixed by the head bolt 5.

In this embodiment, it is more preferable that the concrete floor slab further comprises a base 6, and the base 6 fixes the upright 1 to the concrete floor slab through an expansion screw 8. Bolt holes are formed in the periphery of the base 6, rainwater holes 9 are further formed in the base 6, and the connecting firmness of the vertical rod 1 and the concrete floor slab is improved through the base 6.

In the present embodiment, it is more preferable that the existing structure 4 is a wall or a structural column. Of course, the existing structure 4 of the air shaft pipe opening can be a wall body or a structural column according to actual engineering.

In this embodiment, the spacing is more preferably 1500mm to 2000 mm. The distance between the vertical rods 1 is not more than 2000mm, one vertical rod 1 is generally considered according to 1500mm, and not less than three vertical rods 1 are considered when the opening of the air shaft pipe is larger than 2000mm and smaller than 3500 mm. That is, the spacing and number of the vertical rods 1 are adjusted according to the actual size of the air shaft pipe opening.

Please continue to refer to fig. 1 to 6, the present invention further provides a construction method of the telescopic guard rail, which includes:

step one, providing the telescopic protective handrail for standby;

secondly, drilling holes in the concrete floor according to the reserved bolt holes in the base 6, and installing the upright rods 1 on the base 6 and fixing the upright rods through expansion screws 8;

thirdly, an upper cross rod 2 and a lower cross rod 2 are arranged along the height direction of the upright stanchion 1, the cross rods 2 are telescopic rods made of square pipes, the joints of the upright stanchions 1 and the cross rods 2 are fixed through bolt bolts 5, the cross rods 2 comprise middle telescopic rods and end telescopic rods, and the end telescopic rods are provided with connecting holes;

step four, the long edge of the L-shaped fastener 3 is arranged along the thickness direction of the existing structure 4, the bolt 7 penetrates through the short edge of the L-shaped fastener 3 and the connecting hole in the end part telescopic rod respectively and is locked, the connection of the cross rod 2 and the existing structure 4 is completed, and therefore the installation and the fixation of the protective barrier are completed.

In this embodiment, more preferably, the method further includes a fifth step of cleaning and derusting the installed and fixed guard rail, and painting yellow-black paint.

The above description is only for the purpose of describing the preferred embodiments of the present invention, and is not intended to limit the scope of the present invention in any way. Any changes and modifications of the above disclosure by those skilled in the art are within the scope of the appended claims.

Claims

1. A telescopic guard rail, comprising:

2. The telescopic guard rail of claim 1, wherein the cross bar and the vertical bar are fixed by a head bolt.

3. A telescopic guard rail according to claim 1, further comprising a base, the base securing the upright to a concrete floor by means of expansion screws.

4. A telescopic guard rail according to claim 1, wherein the existing structure is a wall or a structural post.

5. A telescopic guard rail according to claim 1, wherein the certain spacing is 1500mm-2000 mm.