CN210622382U

CN210622382U - Building cat ladder for deep basal pit construction

Info

Publication number: CN210622382U
Application number: CN201921340557.4U
Authority: CN
Inventors: 王吉虎; 周武杰; 陈耀明
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-08-19
Filing date: 2019-08-19
Publication date: 2020-05-26
Anticipated expiration: 2029-08-19

Abstract

The utility model discloses a cat ladder for building deep foundation pit construction, which comprises a cat ladder body, wherein the cat ladder body consists of a plurality of step boards and two parallel steel bars, one side of the two parallel steel bars is fixedly connected with a protective holding rod through a welded connecting steel column, the top end of the cat ladder body is fixedly welded with a supporting platform, the top end of the supporting platform is fixedly welded with a protective fence, two ends of the protective fence are respectively connected with corresponding protective holding rods, supporting steel columns are welded at four corners of the bottom end of the supporting platform, and steel plates are fixedly connected with the bottom ends of the four supporting steel columns, the utility model has the advantages that good safety protection effect is achieved through the protective holding rods and the protective holding rods, personnel are prevented from falling down, the whole cat ladder is convenient to push through the moving wheels, the physical strength is saved, the labor intensity is reduced, and through the supporting steel columns and the connecting rods which are arranged, the stability of whole cat ladder structure has been improved.

Description

Building cat ladder for deep basal pit construction

Technical Field

The utility model relates to a cat ladder, in particular to cat ladder is used in construction of building deep basal pit.

Background

The deep foundation pit is a project with an excavation depth of more than 5 meters or a depth of not more than 5 meters, but with particularly complex geological conditions, surrounding environments and underground pipelines, and according to the attached documents in the safety management method of the project with more serious danger issued in May and thirteen days of two 00 and nine months by the housing and urban and rural construction department of the people's republic of China, the deep foundation pit project is an earthwork excavation, supporting and precipitation project of a foundation pit (groove) with an excavation depth of more than 5m, but with complex geological conditions, surrounding environments and underground pipelines or earthwork excavation and supporting of a foundation pit (groove) influencing the safety of an adjacent building (construction).

The deep basal pit generally all needs with the help of the cat ladder, just can be from top to bottom freely, however current cat ladder is mostly wooden ladder or the wane of bamboo establishment, has very big potential safety hazard like this, and the workman scrambles the in-process and falls off easily, and current cat ladder still has the stability of inconvenient removal simultaneously, because the cat ladder volume is great, relies on manpower only to carry very labouring, consequently provides a cat ladder for the construction of building deep basal pit.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a building cat ladder for deep basal pit construction to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a building cat ladder for deep basal pit construction, includes the cat ladder body, the cat ladder body comprises a plurality of step board and the billet of two parallels, two parallels the equidistance is equipped with a plurality of step board between the billet, one side of the billet of two parallels all has the protection pin through some connection steel column fixedly connected with of welding, the fixed welding in top of cat ladder body has supporting platform, supporting platform's the fixed welding in top has guard fence, guard fence's both ends are connected with the protection pin that corresponds respectively, four edges of supporting platform bottom all weld and have the support steel column, four the equal fixedly connected with steel sheet in bottom of support steel column, the one end of steel sheet and the bottom fixed contact of cat ladder body.

As an optimal technical scheme of the utility model, the equal fixed mounting in four edges of steel sheet bottom has the removal wheel.

As a preferred technical scheme of the utility model, lie in two with one side fixed welding has the multiunit connecting rod, and multiunit between the support steel column the one end of connecting rod all extends to the opposite side and the fixed contact of cat ladder body.

As an optimal technical scheme of the utility model, the pole is held up by steel material to protective fence and protection, protective fence's height and protection hold up the height of pole and be 1 meter.

As an optimized technical scheme of the utility model, a plurality of the step plate all has steel material to make, just the fixed surface of step plate is equipped with the granite line.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model relates to a building cat ladder for deep basal pit construction holds up pole and guard fence through the protection that is equipped with, has played good safety protection effect, avoids personnel to fall, through the removal wheel that is equipped with, is convenient for promote whole cat ladder and removes, saves physical power, reduces intensity of labour, through support steel column and the connecting rod that is equipped with, has improved the stability of whole cat ladder structure, to sum up, the utility model discloses simple structure, convenient to use, practicality are strong.

Drawings

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

FIG. 2 is an enlarged schematic view of the structure at A of the present invention;

fig. 3 is a schematic view of the front structure of the step plate of the present invention.

In the figure: 1. a ladder body; 2. connecting the steel columns; 3. a protective handrail; 4. granite pattern; 5. a steel plate; 6. supporting a steel column; 7. a connecting rod; 8. a support platform; 9. a protective fence; 10. a moving wheel; 11. a steel bar; 12. a step plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Please refer to fig. 1-3, the utility model provides a building cat ladder for deep basal pit construction, including cat ladder body 1, cat ladder body 1 comprises a plurality of step board 12 and two parallel billet 11, the equidistance is equipped with a plurality of step board 12 between two parallel billet 11, pole 3 is held up all through welded connection steel column 2 fixedly connected with protection in one side of two parallel billet 11, the top fixed welding of cat ladder body 1 has supporting platform 8, the fixed welding in top of supporting platform 8 has protective fence 9, the both ends of protective fence 9 are held up the pole 3 with the protection that corresponds respectively and are connected, supporting platform 8 has all welded the support steel column 6 in four edges of bottom, the equal fixedly connected with steel sheet 5 in bottom of four support steel column 6, the one end of steel sheet 5 and the bottom fixed contact of cat ladder body 1.

Preferably, the equal fixed mounting in four edges of 5 bottoms on steel sheet has the removal wheel 10, is convenient for promote whole cat ladder and removes, saves physical power, reduces intensity of labour.

Preferably, the fixed welding has multiunit connecting rod 7 between two support steel columns 6 that lie in same one side, and the one end of multiunit connecting rod 7 all extends to the opposite side and the fixed contact of cat ladder body 1, has improved the stability of whole cat ladder structure.

Preferably, protective fence 9 and protection are held up pole 3 and are made by steel material, and protective fence 9's height and protective pole 3's height are 1 meter, and protective fence 9 and protective pole 3 prevent that personnel from dropping and cause the incident.

Preferably, a plurality of step boards 12 all have steel material to make, and the fixed surface of step board 12 is equipped with granite 4, makes things convenient for in the staff climbing, prevents that the foot from slipping to fall down.

When the ladder stand is used in detail, the utility model relates to a ladder stand for building deep foundation pit construction, firstly, a plurality of step boards 12 are welded equidistantly between two parallel steel bars 11 to form a ladder stand body 1, then a protective fence 9 is welded to one side of the two parallel steel bars 11 through a connecting steel column 2, then the protective fence 9 is welded on a supporting platform 8, then the supporting platform 8 and the protective fence 9 are welded with the ladder stand body 1 together, the protective fence 9 and the protective fence 9 play a good safety protection role to avoid personnel from falling down, next, a supporting steel column 6 and a steel plate 5 are welded to the bottom end of the supporting platform 8, and then moving wheels 10 are arranged at four corners of the bottom end of the steel plate 5, thereby facilitating the moving of the ladder stand body 1, saving physical strength and reducing labor intensity, and in conclusion, the utility model has simple structure and convenient use, the practicability is strong.

In the description of the present invention, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A ladder stand for construction of a deep foundation pit of a building comprises a ladder stand body (1) and is characterized in that the ladder stand body (1) is composed of a plurality of step plates (12) and two parallel steel bars (11), the step plates (12) are arranged between the two parallel steel bars (11) at equal intervals, one side of each of the two parallel steel bars (11) is fixedly connected with a protective holding rod (3) through a welded connecting steel column (2), a supporting platform (8) is fixedly welded at the top end of the ladder stand body (1), a protective fence (9) is fixedly welded at the top end of the supporting platform (8), two ends of the protective fence (9) are respectively connected with the corresponding protective holding rods (3), supporting steel columns (6) are welded at four corners of the bottom end of the supporting platform (8), steel plates (5) are fixedly connected at the bottom ends of the supporting steel columns (6), one end of the steel plate (5) is fixedly contacted with the bottom end of the ladder stand body (1).

2. The ladder stand for construction of the deep foundation pit according to claim 1, wherein: four corners of steel sheet (5) bottom all fixed mounting have and remove wheel (10).

3. The ladder stand for construction of the deep foundation pit according to claim 1, wherein: a plurality of groups of connecting rods (7) are fixedly welded between the two supporting steel columns (6) on the same side, and one ends of the plurality of groups of connecting rods (7) extend to the other side of the ladder stand body (1) and are in fixed contact with the other side.

4. The ladder stand for construction of the deep foundation pit according to claim 1, wherein: the protective fence (9) and the protective holding rod (3) are both made of steel materials, and the height of the protective fence (9) and the height of the protective holding rod (3) are both 1 meter.

5. The ladder stand for construction of the deep foundation pit according to claim 1, wherein: the plurality of the step plates (12) are made of steel materials, and the surface of each step plate (12) is fixedly provided with the granite grains (4).