CN216108122U

CN216108122U - Ladder cage suitable for construction of pier bodies with various cross-sectional sizes

Info

Publication number: CN216108122U
Application number: CN202122608750.5U
Authority: CN
Inventors: 崔艳雷; 张伟岐; 王钢; 王建锋; 王晓龙; 王磊; 马晶涛; 袁晓红
Original assignee: China Railway No 3 Engineering Group Co Ltd; Six Engineering Co Ltd of China Railway No 3 Engineering Group Co Ltd
Current assignee: China Railway No 3 Engineering Group Co Ltd; Six Engineering Co Ltd of China Railway No 3 Engineering Group Co Ltd
Priority date: 2021-10-28
Filing date: 2021-10-28
Publication date: 2022-03-22
Anticipated expiration: 2031-10-28

Abstract

The utility model relates to a ladder cage suitable for construction of pier bodies with various cross-sectional sizes, and belongs to the technical field of bridge pier body construction. The combined ladder comprises a standard section ladder cage and a bottom section ladder cage, wherein the standard section ladder cage is assembled when the height of the ladder cage is less than or equal to 16 m; when the height of the ladder cage is more than 16m, 0-16m is formed by assembling bottom section ladder cages, and the parts above 16m are formed by assembling standard section ladder cages. The pier body assembling device is scientific in design, reasonable in structure, easy to manufacture, simple to install, suitable for pier body construction with various section sizes, high in assembling speed, less in labor, high in safety, beneficial to subsequent operation and worthy of popularization and application.

Description

Ladder cage suitable for construction of pier bodies with various cross-sectional sizes

Technical Field

The utility model belongs to the technical field of building construction, and particularly relates to an auxiliary device for bridge pier body construction, in particular to a ladder cage suitable for pier body construction with various cross-section sizes.

Background

In the construction of a bridge, a conventional double-row scaffold is not required to exceed 24 meters (standard requirement), the factors controlled by the service level and responsibility center of workers in the setting process are large, great danger exists in the setting process, risk factors such as scaffold boards, head raising boards and the like are large, a dense mesh net arranged on the outer side is easy to damage, the protection effect is poor, and risk factors in the process of getting on and off of personnel are large. In order to improve the safety and efficiency of pier construction, it is urgently needed to provide a safe and quick pier construction device.

Disclosure of Invention

The utility model aims to solve the problems in the prior art and provide a ladder cage suitable for construction of pier bodies with various section sizes.

The utility model is realized by the following technical scheme:

a ladder cage suitable for construction of pier bodies with various cross-sectional sizes comprises a plurality of sections of standard section ladder cages, each standard section ladder cage comprises a keel frame body which is assembled and welded into a rectangular shape by adopting L125 x 10 angle steel, a steel wire mesh is laid on the outer side surface of each keel frame body, a supporting beam is welded and fixed between an upper beam body and a lower beam body of each side surface of each keel frame body, a ladder stand is fixedly installed at a position close to one side surface in each keel frame body, a square-shaped pedal plate is fixedly installed on the bottom surface in each keel frame body, the lower beam body of three sides of the square-shaped pedal plate is arranged at the three sides of the three sides, the rest one side of each square-shaped pedal plate is arranged along the ladder stand side, and connecting beam sections which extend upwards are respectively welded and fixed at four corners of the top of each keel frame body; a plurality of sections of standard section ladder cages are connected and fixed through connecting beam sections after being sequentially butted from bottom to top.

Furthermore, the ladder cage also comprises a plurality of sections of bottom section ladder cages, each bottom section ladder cage comprises a keel frame body which is assembled and welded into a rectangular body by adopting L160 x 10 angle steel, a steel wire mesh is laid on the outer side surface of each keel frame body, a supporting beam is welded and fixed between an upper beam body and a lower beam body on each side surface of each keel frame body, a ladder stand is fixedly installed at a position in the keel frame body, which is tightly attached to one side surface, a square foot pedal is fixedly installed on the bottom surface in the keel frame body, the lower beam body of three sides of the square foot pedal is provided with three edges, the rest edge is arranged on the ladder side, and connecting beam sections which extend upwards are fixedly welded at four corners of the top of the keel frame body respectively; a plurality of sections of bottom section ladder cages are sequentially butted from bottom to top and then are connected and fixed through connecting beam sections; and the bottom section ladder cage at the topmost end is connected and fixed through the connecting beam section after being butted with the standard section ladder cage at the bottommost end up and down.

Furthermore, the external dimensions of the standard section ladder cage and the bottom section ladder cage are 5060mm and 4160mm, and the heights of the standard section ladder cage and the bottom section ladder cage are 2 m.

Furthermore, the supporting beams comprise a vertical supporting beam and two inclined supporting beams, the top end of the vertical supporting beam is fixed at the middle point of the upper beam body, the bottom end of the vertical supporting beam is fixed at the middle point of the lower beam body, the two inclined supporting beams are respectively arranged on two sides of the vertical supporting beam, the top end of the inclined supporting beam is fixed at the middle point of the upper beam body, the bottom end of the inclined supporting beam is fixed at the end position of the lower beam body, and the vertical supporting beam and the inclined supporting beams are both made of L50 x 5 angle steel.

Furthermore, in the standard section ladder cage and the bottom section ladder cage, two connecting pieces which are extended inwards horizontally and are used for being connected with the column piers are respectively and vertically fixed on three upper beam bodies on the non-climbing ladder side, and connecting pieces which are extended inwards and are used for being connected with the column piers are respectively fixed at two ends of the upper beam body on the climbing ladder side along the diagonal direction.

Furthermore, the connecting piece is made of L125 x 10 angle steel.

The pier body assembling device is scientific in design, reasonable in structure, easy to manufacture, simple to install, suitable for pier body construction with various section sizes, high in assembling speed, less in labor, high in safety, beneficial to subsequent operation and worthy of popularization and application.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate exemplary embodiments of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model.

Fig. 1 is a schematic structural view of a standard section ladder cage and a bottom section ladder cage.

Fig. 2 is a schematic top view of the connection between the connecting member and the pier body after the ladder cage is installed.

In the figure: 1-keel frame body, 2-vertical supporting beam, 3-inclined supporting beam, 4-ladder stand, 5-square foot board, 6-connecting piece, 7-connecting beam section and 8-pier body.

Detailed Description

In order that those skilled in the art will better understand the present invention, a more complete and complete description of the present invention is provided below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.

Example 1

As shown in fig. 1 and 2, the ladder cage suitable for construction of pier bodies 8 with various cross-sectional sizes is built at a height of less than or equal to 16m, the ladder cage is mainly built by a plurality of sections of standard sections of ladder cages, the overall dimension of each section of standard section of ladder cage is 5060 mm/4160 mm, and the height is 2 m; the standard section ladder cage comprises a rectangular keel frame body 1 assembled and welded by adopting L125 x 10 angle steel, a steel wire mesh is laid on the outer side surface of the keel frame body 1, a support beam is welded and fixed between an upper beam body and a lower beam body on each side surface of the keel frame body 1, the support beam comprises a vertical support beam 2 and two inclined support beams 3, the top end of the vertical support beam 2 is fixed at the middle point position of the upper beam body, the bottom end of the vertical support beam is fixed at the middle point position of the lower beam body, the two inclined support beams 3 are respectively arranged on two sides of the vertical support beam 2, the top end of each inclined support beam 3 is fixed at the middle point position of the upper beam body, the bottom end of each inclined support beam 3 is fixed at the end position of the lower beam body, and the vertical support beam 2 and the inclined support beams 3 are both made of L50 x 5 angle steel; a ladder stand 4 is fixedly arranged at a position close to one side surface in the keel frame body 1, a square-shaped pedal 5 is fixedly arranged on the bottom surface in the keel frame body 1, three edges of the square-shaped pedal 5 are arranged on the lower beam side of three side surfaces, and the rest edge is arranged on the side of the ladder stand 4; two connecting pieces 6 which are extended inwards and horizontally and are used for being connected with the pier body 8 are respectively and vertically fixed on the three upper beam bodies on the non-ladder stand 4 side, two ends of the upper beam body on the ladder stand 4 side are respectively and fixedly provided with connecting pieces 6 which are extended inwards and are used for being connected with the pier body 8 along the diagonal direction, and the connecting pieces 6 are made of L125 x 10 angle steel; the four corners at the top of the keel frame body 1 are respectively welded and fixed with connecting beam sections 7 extending upwards; a plurality of sections of standard section ladder cages are sequentially butted from bottom to top and then are fixedly connected through connecting beam sections 7 and connecting bolts.

Example 2

As shown in figures 1 and 2, the ladder cage suitable for construction of pier bodies 8 with various cross-sectional dimensions is provided with a building height of more than 16m, the ladder cage is mainly formed by building a plurality of sections of standard section ladder cages and a plurality of sections of bottom section ladder cages, wherein the parts above 16m are built by adopting the standard section ladder cages, the building specification of the standard section ladder cages is completely consistent with that of the building 1, the parts between 0m and 16m are built by adopting the bottom section ladder cages, the external dimension of the bottom section ladder cages is 5060mm 4160mm and the height is 2m, the bottom section ladder cages comprise a rectangular keel frame body 1 assembled and welded by adopting L160 angle steel, a steel wire mesh is paved on the outer side surface of the keel frame body 1, a support beam is welded and fixed between an upper beam body and a lower beam body on each side surface of the keel frame body 1, the support beam comprises a vertical support beam 2 and two inclined support beams 3, the top ends of the vertical support beam 2 are fixed at the middle point positions of the upper beam bodies, The bottom end of the lower beam body is fixed at the middle point of the lower beam body, the two inclined support beams 3 are respectively arranged at two sides of the vertical support beam 2, the top ends of the inclined support beams 3 are fixed at the middle point of the upper beam body, the bottom ends of the inclined support beams 3 are fixed at the end part of the lower beam body, and the vertical support beam 2 and the inclined support beams 3 are both made of L50 × 5 angle steel; a ladder stand 4 is fixedly arranged at a position close to one side surface in the keel frame body 1, a square-shaped pedal 5 is fixedly arranged on the bottom surface in the keel frame body 1, three edges of the square-shaped pedal 5 are arranged on the lower beam side of three side surfaces, and the rest edge is arranged on the side of the ladder stand 4; two connecting pieces 6 which are extended inwards and horizontally and are used for being connected with the pier body 8 are respectively and vertically fixed on the three upper beam bodies on the non-ladder stand 4 side, two ends of the upper beam body on the ladder stand 4 side are respectively and fixedly provided with connecting pieces 6 which are extended inwards and are used for being connected with the pier body 8 along the diagonal direction, and the connecting pieces 6 are made of L125 x 10 angle steel; the four corners at the top of the keel frame body 1 are respectively welded and fixed with connecting beam sections 7 extending upwards; a plurality of sections of bottom section ladder cages are sequentially butted from bottom to top and then are fixedly connected through connecting beam sections 7 and connecting bolts; and after the bottom section ladder cage at the topmost end is vertically butted with the standard section ladder cage at the bottommost end, the bottom section ladder cage is fixedly connected through the connecting beam section 7 and the connecting bolt.

The construction of the ladder cage of the utility model is explained as follows:

after the construction of the bearing platform is finished, chiseling is carried out before the construction of the pier body 8, ladder cage installation is carried out after chiseling, a section of bottom ladder cage is installed as a bottom section, and when the height of the ladder cage is less than or equal to 16m, standard sections of ladder cages formed by welding L125 x 10 angle steel are adopted for assembly; when the height of the ladder cage is more than 16m, 0-16m is formed by assembling bottom ladder cages formed by welding L160 x 10 angle steel, and the parts above 16m are formed by assembling standard ladder cages formed by welding L125 x 10 angle steel; the ladder cage is fixedly connected with the ladder cage through the connecting beam section 7 and the connecting bolt. The middle of the ladder cage is provided with a concrete column pier, namely the column pier is positioned in a space enclosed by the square foot board 5, an embedded part is arranged in the column pier, and the end part of a connecting part 6 on the ladder cage is fixedly connected with the embedded part.

The technical solutions in the embodiments of the present invention are clearly and completely described above, and the described embodiments are only a part of the embodiments of the present invention, but 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.

Claims

1. The utility model provides a ladder cage suitable for construction of multiple cross-sectional dimension pier shaft which characterized in that: the steel wire net is laid on the outer side face of the keel frame body, a supporting beam is fixedly welded between an upper beam body and a lower beam body of each side face of the keel frame body, a ladder stand is fixedly installed at a position, close to one side face, in the keel frame body, a square foot board is fixedly installed on the bottom face in the keel frame body, three edges of the square foot board are arranged along the lower beam body of the three side faces, the rest edge of the square foot board is arranged along the ladder stand side, and connecting beam sections extending upwards are fixedly welded at four corners of the top of the keel frame body respectively; a plurality of sections of standard section ladder cages are connected and fixed through connecting beam sections after being sequentially butted from bottom to top.

2. The ladder cage suitable for construction of pier bodies with various section sizes as claimed in claim 1, wherein: the steel wire net is laid on the outer side face of the keel frame body, a supporting beam is fixedly welded between an upper beam body and a lower beam body of each side face of the keel frame body, a ladder stand is fixedly installed at a position, close to one side face, in the keel frame body, a square foot board is fixedly installed on the bottom face in the keel frame body, three edges of the square foot board are arranged along the lower beam body of the three side faces, the rest edge of the square foot board is arranged along the ladder stand side, and connecting beam sections extending upwards are fixedly welded at four corners of the top of the keel frame body respectively; a plurality of sections of bottom section ladder cages are sequentially butted from bottom to top and then are connected and fixed through connecting beam sections; and the bottom section ladder cage at the topmost end is connected and fixed through the connecting beam section after being butted with the standard section ladder cage at the bottommost end up and down.

3. The ladder cage suitable for construction of pier bodies with various section sizes as claimed in claim 2, wherein: the external dimensions of the standard section ladder cage and the bottom section ladder cage are 5060mm and 4160mm, and the heights of the standard section ladder cage and the bottom section ladder cage are 2 m.

4. The ladder cage suitable for construction of pier bodies with various section sizes as claimed in any one of claims 1 to 3, wherein: the supporting beams comprise a vertical supporting beam and two inclined supporting beams, the top end of the vertical supporting beam is fixed at the middle point position of the upper beam body, the bottom end of the vertical supporting beam is fixed at the middle point position of the lower beam body, the two inclined supporting beams are respectively arranged at two sides of the vertical supporting beam, the top end of the inclined supporting beam is fixed at the middle point position of the upper beam body, the bottom end of the inclined supporting beam is fixed at the end position of the lower beam body, and the vertical supporting beam and the inclined supporting beams are both made of L50 x 5 angle steel.

5. The ladder cage suitable for construction of pier bodies with various section sizes as claimed in claim 3, wherein: in standard section ladder cage and bottom segment ladder cage, be used for being connected with the pier shaft that two inside levels that prolong established are fixed with respectively on three upper beams body of non-climbing ladder side perpendicularly, and the both ends of the upper beam body of climbing ladder side are fixed with respectively along diagonal direction and inwards prolong establishing be used for with pier shaft connecting piece.

6. The ladder cage suitable for construction of pier bodies with various section sizes as claimed in claim 5, wherein: the connecting piece is made of L125 x 10 angle steel.