CN220284610U - Quick connection safety device for bent cap ladder cage and cylindrical pier - Google Patents

Abstract

The utility model discloses a quick connection safety device for a bent cap ladder cage and a cylindrical pier. The steel anchor ear structure comprises a steel anchor ear structure, a quick assembly and disassembly structure and a connection fixing structure, wherein the steel anchor ear structure is formed by two parallel flat steels, two ends of the anchor ear body are respectively welded with a channel steel joint, the two channel steel joints are connected through bolts, the quick assembly and disassembly structure comprises two first steel pipes and two second steel pipes, the two first steel pipes are respectively vertically welded at the outer ends of the two channel steel joints, the two second steel pipes are respectively movably sleeved on the two first steel pipes, the connection fixing structure comprises two third steel pipes and a fourth steel pipe, one ends of the two third steel pipes are respectively fixedly connected with the two second steel pipes through steel pipe cross buckles, the fourth steel pipe is transversely arranged at the inner side of a vertical rod of a bent cap ladder cage, the other ends of the two third steel pipes are respectively fixedly connected with the two ends of the fourth steel pipe through steel pipe cross buckles, and the two third steel pipes and the fourth steel pipe form a triangular structure.

Description

Quick connection safety device for bent cap ladder cage and cylindrical pier

Technical Field

The utility model relates to a quick connection safety device for a bent cap ladder cage and a cylindrical pier, and belongs to the technical field of bridge construction.

Background

The bent cap is an important bearing structure of bridge engineering, and due to the particularity of the structure position of the bent cap, the bent cap inevitably faces the outstanding problem of high-altitude operation, and the setting standardization of the upper and lower safety channels of operators is related to the life safety of construction operators. In the current bent cap construction process, a side safety ladder cage is generally adopted as a safety ladder cage, and the safety ladder cage is arranged on the side of the bent cap and is connected with a bent cap construction platform through a transverse safety channel. However, according to the standard requirements, when the height of the ladder cage exceeds a certain height, wind-collecting ropes and wall connecting pieces are required to be arranged so as to ensure the overall stability of the ladder cage. The wall connecting piece is arranged in a mode of not being fixed all the time, a pier stud bar planting mode is adopted, and a steel pipe fastener connecting mode is also adopted, but the modes have obvious defects, or damage to concrete is caused, or the installation and the disassembly are difficult, and potential safety hazards exist in the process.

Disclosure of Invention

Aiming at the defects in the prior art, the utility model provides the quick connection safety device for the bent cap ladder cage and the cylindrical pier, which has the advantages of simple structure, safety, reliability, convenient installation and disassembly, no damage to concrete and reusability.

The utility model is realized by the following technical scheme: a safety device for quick connection of a bent cap ladder cage and a cylindrical pier is characterized in that: including steel staple bolt structure, quick installation and removal structure, connection fixed knot construct, steel staple bolt structure forms the staple bolt body by two parallel arrangement's band steel, and the both ends of the staple bolt body weld a channel-section steel joint respectively, and two channel-section steel joints pass through bolted connection, quick installation and removal structure includes two first steel pipes and two second steel pipes, and two first steel pipes are vertical welding respectively in the outside end that two channel-section steel joints, and two second steel pipes are movable sleeve respectively on two first steel pipes, connection fixed knot constructs including two third steel pipes and a fourth steel pipe, and the one end of two third steel pipes is respectively through steel pipe cross buckle and two second steel pipe fixed connection, the fourth steel pipe transversely sets up in the pole setting inboard of bent cap ladder cage, the other end of two third steel pipes respectively through steel pipe cross buckle with the both ends fixed connection of fourth steel pipe, two third steel pipes and fourth steel pipe form triangle-shaped structure.

When the bridge pier fixing device is used, the steel hoop structure is fixedly arranged on the bridge pier in a bolt fastening mode, and the cover beam ladder cage is connected through the connecting and fixing structure, so that the cover beam ladder cage and the bridge pier are reliably fixed.

Further, the flat steel is galvanized flat steel with the thickness of 40 multiplied by 4 mm; the channel steel joint is an 18b channel steel with the length of 30cm; the first steel pipe is a stainless steel pipe with phi 38 multiplied by 3.5mm, and the length is 50cm; the second steel pipe is a stainless steel pipe with phi 48 multiplied by 3.5mm, and the length is 30cm; the third steel pipe is a stainless steel pipe with phi 48 multiplied by 3.5mm, and the length is 300cm; the fourth steel pipe was a stainless steel pipe having a length of 400cm and a diameter of 48X 3.5 mm.

The beneficial effects of the utility model are as follows: the steel hoop structure is simple in structure, is manufactured by machining two flat steels and channel steel, has high structural strength, and can ensure reliable fixation when being connected with the bridge pier; the steel hoop structure is connected by bolts, the installation is convenient, the device can be installed after the bridge pier template is removed before the bridge pier full-surrounded ladder cage is removed, the structure is made of stainless steel and galvanized materials, the steel hoop structure is not affected by concrete curing water to rust, an effective safety protection device exists in the installation process, the safety is high, and pier column concrete is not damaged; the utility model adopts the steel pipes with different diameters to be sleeved as a rapid mounting and dismounting structure, and is convenient to mount and dismount; the dismantling can be synchronously carried out along with the dismantling of the integral bracket system of the bent cap, so that the construction machinery and the safe operation platform can be dismantled by effectively utilizing the bracket system of the bent cap, and the construction safety is ensured; the utility model can be repeatedly used, and can reduce the construction cost.

Drawings

FIG. 1 is a schematic top view of the present utility model;

FIG. 2 is a schematic top view of the hoop structure of the present utility model;

FIG. 3 is a schematic view of the channel joint of the present utility model;

FIG. 4 is a schematic front view of the attachment of the hoop structure to the quick release structure of the present utility model;

FIG. 5 is a schematic top view of the attachment of the anchor ear structure to the quick release structure of the present utility model;

FIG. 6 is an enlarged schematic view of the portion of the channel joint connected to the first steel pipe of FIG. 5;

in the figure, 1, staple bolt body, 2, channel-section steel joint, 3, third steel pipe, 4, fourth steel pipe, 5, steel pipe cross buckle, 6, bent cap ladder cage, 7, pier, 8, first steel pipe, 9, second steel pipe.

Detailed Description

The utility model is further illustrated by the following non-limiting examples, in conjunction with the accompanying drawings:

the following will take a cylindrical pier having a diameter of 1.6m as an example.

As shown in the attached drawing, the quick connection safety device for the bent cap ladder cage and the cylindrical pier comprises a steel hoop structure, a quick mounting and dismounting structure and a connection fixing structure. The steel anchor ear structure comprises an anchor ear body 1 formed by two parallel flat steels, wherein the two flat steels are galvanized flat steels with the length of 40 multiplied by 4mm, and the lengths of the flat steels are 502.4cm. Two ends of the anchor ear body 1 are respectively welded with a channel steel joint 2, the channel steel joint 2 is manufactured by adopting 18b channel steel, the length of the channel steel joint is 30cm, the ends of the channel steel joint 2 and the flat steel are welded in full, four bolt holes are formed in the web plate of the channel steel joint 2, and the two channel steel joints 2 are connected through four M16 high-strength bolts. The rapid mounting and dismounting structure comprises two first steel pipes 8 and two second steel pipes 9, wherein the first steel pipes 8 are stainless steel pipes with phi 38 multiplied by 3.5mm, and the length is 50cm; the second steel pipe 9 was a stainless steel pipe having a length of 30cm and a diameter of 48X 3.5 mm. Two first steel pipes 8 are respectively vertically welded at the outer side ends of the two channel steel joints 2, and the connecting surfaces are welded on two sides. The two second steel pipes 9 are respectively movably sleeved on the two first steel pipes 8. The connecting and fixing structure comprises two third steel pipes 3 and one fourth steel pipe 4, wherein the third steel pipe 3 is a stainless steel pipe with phi 48 multiplied by 3.5mm, and the length is 300cm; the fourth steel pipe 4 was a stainless steel pipe having a length of 400cm and a diameter of 48X 3.5 mm. One end of each of the two third steel pipes 3 is fixedly connected with two second steel pipes 9 through a steel pipe cross buckle 5, the fourth steel pipe 4 is transversely arranged on the inner side of a vertical rod of the bent cap ladder cage 6, the other end of each of the two third steel pipes 3 is fixedly connected with two ends of each of the fourth steel pipes 4 through a steel pipe cross buckle 5, and the two third steel pipes 3 and the fourth steel pipes 4 form a triangular structure. The steel pipe cross buckle 5 is a common fastener for the scaffold, and is in the prior art.

When the bridge pier full-surrounding ladder cage is used, after the bridge pier template is removed, the bridge pier full-surrounding ladder cage can be installed before the bridge pier full-surrounding ladder cage is not removed. After the pier template is dismantled, the steel hoop structure can be installed, the hoop body 1 is fastened through high-strength bolts and then fixed on the pier 7, when the installation height of the bent cap ladder cage 6 is up to the height of the steel hoop structure, the second steel pipe 9 and the third steel pipe 3 are connected through the steel pipe cross fastener 5, then the second steel pipe 9 is directly sleeved at the first steel pipe 8, the fourth steel pipe 4 is installed on the inner side of the vertical rod of the bent cap ladder cage 6, the steel pipe cross fastener 5 is fixedly connected with the third steel pipe 3, and then the next section of bent cap ladder cage 6 is installed. When the steel pipe is removed, the quick assembly and disassembly structure can be detached only by lifting the second steel pipe 9, and the construction is convenient.

The utility model has high structural strength, safe and reliable use and no damage to pier column concrete in the installation process; the device adopts stainless steel and galvanized materials, is not affected by concrete curing water to rust, and has an effective safety protection device in the installation process, so that the safety is high; the dismantling can be synchronously carried out along with the dismantling of the integral bracket system of the bent cap, so that the construction machinery and the safety operation platform can be dismantled by effectively utilizing the bracket system of the bent cap, and the safety is ensured. The processing and manufacturing materials of the utility model are all common materials in construction sites, the processing cost is low, the utility model can be repeatedly used, and the construction cost can be reduced.

Other parts in this embodiment are all of the prior art, and are not described herein.

Claims (2)

1. A safety device for quick connection of a bent cap ladder cage and a cylindrical pier is characterized in that: including steel staple bolt structure, quick install and tear structure, connection fixed knot construct, steel staple bolt structure forms staple bolt body (1) by two parallel arrangement's band steel, and the both ends of staple bolt body (1) weld a channel-section steel joint (2) respectively, and two channel-section steel joints (2) pass through bolted connection, quick install and tear the structure open including two first steel pipes (8) and two second steel pipes (9), two first steel pipes (8) respectively vertical welding in the outside end that two channel-section steel joints (2), two second steel pipes (9) movable sleeve respectively on two first steel pipes (8), connection fixed knot constructs including two third steel pipes (3) and a fourth steel pipe (4), the one end of two third steel pipes (3) respectively through steel pipe cross buckle and two second steel pipes (9) fixed connection, fourth steel pipe (4) transversely set up in the pole setting inboard of bent cap ladder cage (6), the other end of two third steel pipes (3) respectively through the cross buckle with four steel pipe (4) and two both ends of two third steel pipes (4) form triangle-shaped structure.

2. The capping beam ladder cage and cylindrical pier quick connect safety device of claim 1, characterized by: the flat steel is galvanized flat steel with the thickness of 40 multiplied by 4 mm; the channel steel connector (2) is an 18b channel steel with the length of 30cm; the first steel pipe (8) is a stainless steel pipe with phi 38 multiplied by 3.5mm, and the length is 50cm; the second steel pipe (9) is a stainless steel pipe with phi 48 multiplied by 3.5mm, and the length is 30cm; the third steel pipe (3) is a stainless steel pipe with phi 48 multiplied by 3.5mm, and the length is 300cm; the fourth steel pipe (4) was a stainless steel pipe having a diameter of 48X 3.5mm and a length of 400cm.