CN218953236U - Adjustable assembled cage cat ladder that foundation ditch engineering used - Google Patents

Abstract

The utility model provides an adjustable assembled cage ladder used for foundation pit engineering, which comprises upright post structures which are arranged in parallel, wherein each upright post structure adopts an assembled assembly structure, each upright post structure comprises a plurality of independent standard section upright posts, and adjacent standard section upright posts are fixedly connected through node plates matched with connecting bolts; a step for climbing is fixed between the upright post structures; the periphery of one side of the upright post structure is provided with a circumferential protection cage; and a plurality of groups of wall connecting pieces are arranged on the outer wall of the upright post structure and positioned on the opposite sides of the annular protection cage. The crawling ladder adopts an assembled structure, can be assembled according to the depth of the foundation pit, and is further suitable for foundation pits with different depths; after the foundation pit construction is completed, the cat ladder can be decomposed into assembly units again, and repeated turnover is convenient.

Description

Adjustable assembled cage cat ladder that foundation ditch engineering used

Technical Field

The utility model relates to the field of deep foundation pit shaft construction, in particular to an adjustable assembled cage climbing ladder for foundation pit engineering.

Background

In the deep foundation pit shaft construction process, along with the increase of excavation supporting depth, must set up personnel and climb ladder about in step, and on-the-spot is conventional to have two modes, first: the sizing ladder is used for sizing various heights, the sizing ladder is directly hung and arranged according to the design depth of the foundation pit, the height cannot be freely adjusted due to sizing, the hanging and arranging difficulty is high when the depth is too large, the repeated utilization rate is not high, and the idle waste of resources is caused; second kind: welding overlap joint on site, according to foundation ditch construction depth, the welder needs in time to adjust cat ladder height, and the manufacturing process is loaded down with trivial details, and welding quality requires highly, and the welding extension process influences the construction progress, and the whole unable dismouting turnover of welding utilizes.

The two modes are inconvenient in disassembly and transportation, waste of resources in different aspects is caused, and the method is not suitable for foundation pit operation with various excavation depths. Therefore, in actual construction, the crawling ladder is required to be repeatedly processed and manufactured, labor and time are wasted, and huge waste is caused, so that great trouble is brought to deep foundation pit shaft construction.

Disclosure of Invention

The utility model aims to provide an adjustable assembled type protective cage ladder used for foundation pit engineering, which adopts an assembled structure, can be assembled according to the depth of a foundation pit, and is further suitable for foundation pits with different depths; after the foundation pit construction is completed, the cat ladder can be decomposed into assembly units again, so that repeated turnover is convenient; in addition, the utility model has simple structure, convenient processing and lighter weight, can efficiently and rapidly complete assembly and disassembly, can recycle and save material investment, and greatly improves the service efficiency of the cat ladder.

In order to achieve the technical characteristics, the aim of the utility model is realized in the following way: an adjustable assembled cage climbing ladder for foundation pit engineering comprises upright post structures which are arranged in parallel, wherein each upright post structure adopts an assembled assembly structure, each upright post structure comprises a plurality of independent standard section upright posts, and adjacent standard section upright posts are fixedly connected through node plates matched with connecting bolts; a step for climbing is fixed between the upright post structures; the periphery of one side of the upright post structure is provided with a circumferential protection cage; and a plurality of groups of wall connecting pieces are arranged on the outer wall of the upright post structure and positioned on the opposite sides of the annular protection cage.

And scale marks are arranged on the outer wall of each standard section upright rod and used for determining the excavation depth of the foundation pit.

The standard section upright posts, the node plates and the steps are all formed by cutting angle steel materials.

And a positioning hole matched with the node plate is processed at the tail end part of the standard node upright rod, and the positions of the positioning holes are fixedly connected through connecting bolts.

The annular protection cage is formed by cutting flat steel materials, a plurality of limiting holes are formed in the annular protection cage, and a plurality of groups of vertical plates which are vertically arranged are fixedly connected to the positions of the limiting holes through bolts.

The vertical plate is formed by cutting flat steel materials.

The wall connecting piece comprises a supporting rod welded on the outer wall of the standard section vertical rod, a connecting plate is fixed on the outer wall of the supporting rod, and the connecting plate is fixedly connected with the embedded plate through an anchor bolt.

The utility model has the following beneficial effects:

1. by adopting the crawling ladder, the whole crawling ladder adopts an assembled structure, can be assembled according to the depth of the foundation pit, and is further suitable for foundation pits with different depths; after the foundation pit construction is completed, the cat ladder can be decomposed into assembly units again, and repeated turnover is convenient.

2. The utility model has simple structure, convenient processing and lighter weight, can efficiently and quickly complete assembly and disassembly, can recycle and save material investment, and greatly improves the service efficiency of the cat ladder.

3. The annular protection cage plays a good safety protection role. And the structural strength and stability of the annular protection cage are enhanced through the vertical plates.

4. The wall connecting piece facilitates the fixed connection of the whole ladder stand and the inner wall of the foundation pit, and further ensures the safety and reliability of the whole ladder stand in the use process.

Drawings

The utility model is further described below with reference to the drawings and examples.

Fig. 1 is a front view of the present utility model.

Fig. 2 is a right side view of the present utility model.

Fig. 3 is a front view of a standard section pole of the present utility model.

Fig. 4 is a side view of the fit between a standard node post and a node plate of the present utility model.

Fig. 5 is a top view of the fit between the standard node uprights and the node plates of the present utility model.

Fig. 6 is an installation view of the present utility model in use.

In the figure: standard festival pole setting 1, hoop protection cage 2, mark time 3, wall connecting piece 4, locating hole 5, gusset plate 6, spacing hole 7, vertical plate 8, scale mark 9, connecting bolt 10, stand column structure 11;

a support bar 401, a connection plate 402, and an anchor bolt 403.

Detailed Description

Embodiments of the present utility model will be further described with reference to the accompanying drawings.

Referring to fig. 1-6, an adjustable assembled cage ladder for foundation pit engineering comprises upright post structures 11 which are arranged in parallel, wherein each upright post structure 11 adopts an assembled structure, each upright post structure 11 comprises a plurality of independent standard section upright posts 1, and adjacent standard section upright posts 1 are fixedly connected through a node plate 6 matched with a connecting bolt 10; a step 3 for climbing is fixed between the upright post structures 11; the periphery of one side of the upright post structure 11 is provided with a circumferential protection cage 2; and a plurality of groups of wall connecting pieces 4 are arranged on the outer wall of the upright post structure 11 and positioned on the opposite sides of the annular protection cage 2. Through the cat ladder adopting the structure, the cat ladder adopts an assembled structure, and in the specific use process, the cat ladder is assembled and assembled according to the depth of a foundation pit, so that the cat ladder is suitable for different depth requirements, and in addition, the assembling process is simple. After the foundation pit construction is completed, the ladder stand can be decomposed into assembly units again, and repeated turnover is convenient.

Further, scale marks 9 are arranged on the outer wall of each standard section upright rod 1 and used for determining the excavation depth of the foundation pit. The depth of foundation pit can be conveniently displayed by adopting the scale marks 9, so that the flexibility and the property of the foundation pit are enhanced, and the convenience of use is improved.

Furthermore, the standard section upright rod 1, the node plate 6 and the step 3 are all formed by cutting angle steel materials. The material is prepared by the above materials, so that the structure is simplified to a certain extent, the manufacturing process is convenient, and the cost is reduced.

Further, a positioning hole 5 for being matched with the node plate 6 is processed at the tail end part of the standard node upright 1, and the position of the positioning hole 5 is fixedly connected through a connecting bolt 10. Through foretell assembly connection structure, can realize the reliable connection between the adjacent standard pole setting 1, improve its equipment connection efficiency, guaranteed the equipment joint strength between the two moreover.

Further, the annular protection cage 2 is formed by cutting flat steel materials, a plurality of limiting holes 7 are formed in the annular protection cage 2, and a plurality of groups of vertical plates 8 which are vertically arranged are fixedly connected to the positions of the limiting holes 7 through bolts. The annular protection cage 2 plays a good safety protection role. And the structural strength and stability of the circumferential cage 2 are enhanced by the vertical plates 8.

Further, the vertical plate 8 is made of flat steel material through cutting. The flat steel material simplifies the structure and reduces the cost.

Further, the wall connecting piece 4 comprises a supporting rod 401 welded on the outer wall of the standard section upright 1, a connecting plate 402 is fixed on the outer wall of the supporting rod 401, and the connecting plate 402 is fixedly connected with the embedded plate through an anchor bolt 403. The wall connecting piece 4 facilitates the fixed connection of the whole ladder stand and the inner wall of the foundation pit, and further ensures the safety and reliability of the whole ladder stand in the use process.

The working process and principle of the utility model are as follows:

1. the assembling unit of the ladder stand is integrally welded and formed by integrally processing a single standard-section upright rod 1, a circular protection cage 2, a step 3 and a wall connecting piece 4.

2. After the standard section pole setting 1 of cat ladder top radical section is positioned and installed, along with the foundation ditch excavation degree of depth increases, increases cat ladder assembly unit and carries out the tip extension, and positioning alignment is upper and lower cat ladder pole setting locating hole 5, wears the bolt fastening through gusset 6.

3. After the installation of the climbing ladder increasing unit is completed, the annular protection cage 2 and the vertical plate 8 are connected and lengthened through the bolt connection of the limiting holes 7, so that the overall protection is formed.

4. The outer facade of cat ladder one side is marked with scale mark 9, is convenient for observe foundation ditch excavation depth.

5. After the foundation pit construction is completed, the cat ladder is decomposed into assembly units, and the cat ladder is convenient to turn over and reuse.

Claims (7)

1. An adjustable assembled cage cat ladder that foundation ditch engineering used, its characterized in that: the vertical column structure (11) is arranged in parallel, the vertical column structure (11) adopts an assembled structure, each vertical column structure (11) comprises a plurality of independent standard section vertical rods (1), and adjacent standard section vertical rods (1) are fixedly connected through a node plate (6) matched with a connecting bolt (10); a step (3) for climbing is fixed between the upright post structures (11); the periphery of one side of the upright post structure (11) is provided with a circumferential protection cage (2); and a plurality of groups of wall connecting pieces (4) are arranged on the outer wall of the upright post structure (11) and positioned on the opposite sides of the annular protection cage (2).

2. An adjustable assembled cage ladder for use in foundation pit engineering according to claim 1, wherein: and scale marks (9) are arranged on the outer wall of each standard section upright rod (1) and are used for determining the excavation depth of the foundation pit.

3. An adjustable assembled cage ladder for use in foundation pit engineering according to claim 1, wherein: the standard section upright rod (1), the node plate (6) and the step (3) are all made of angle steel materials by cutting.

4. An adjustable assembled cage ladder for use in foundation pit engineering according to claim 1, wherein: the tail end part of the standard joint upright rod (1) is provided with a positioning hole (5) matched with the node plate (6), and the positions of the positioning holes (5) are fixedly connected through connecting bolts (10).

5. An adjustable assembled cage ladder for use in foundation pit engineering according to claim 1, wherein: the annular protection cage (2) is formed by cutting flat steel materials, a plurality of limiting holes (7) are formed in the annular protection cage (2), and a plurality of groups of vertical plates (8) which are vertically arranged are fixedly connected to the positions of the limiting holes (7) through bolts.

6. The adjustable assembled cage ladder for use in foundation pit engineering of claim 5, wherein: the vertical plate (8) is formed by cutting flat steel materials.

7. An adjustable assembled cage ladder for use in foundation pit engineering according to claim 1, wherein: the wall connecting piece (4) comprises a supporting rod (401) welded on the outer wall of the standard section upright rod (1), a connecting plate (402) is fixed on the outer wall of the supporting rod (401), and the connecting plate (402) is fixedly connected with the embedded plate through an anchoring bolt (403).

Images