CN210563067U

CN210563067U - Internal rotation steel walking ladder

Info

Publication number: CN210563067U
Application number: CN201921432772.7U
Authority: CN
Inventors: 马思明; 崔广龙; 朱悦; 邱晖
Original assignee: RADIO FILM AND TELEVISION DESIGN AND RESEARCH INSTITUTE
Current assignee: RADIO FILM AND TELEVISION DESIGN AND RESEARCH INSTITUTE
Priority date: 2019-08-30
Filing date: 2019-08-30
Publication date: 2020-05-19
Anticipated expiration: 2029-08-30

Abstract

The utility model provides an internal rotation steel walking ladder comprises many runs the ladder, is applied to the steel construction field of high-rising, like tower structures such as radio and television, communication, electric power tower, wherein each runs the ladder and comprises central derrick part and bench part, specifically includes derrick post (1), derrick horizontal pole (2), derrick down tube (3), derrick diaphragm (4), walk terraced platform roof beam (5), walk terraced roof beam (6) of marking time, walk terraced (7), walk terraced platform board (8). The utility model discloses set up the bench inside central derrick, inside the load distribution concentrated on the bearing member, improved the torsional rigidity of entire structure, in addition the utility model discloses a central derrick size is bigger, has improved the anti lateral rigidity of structure.

Description

Internal rotation steel walking ladder

Technical Field

The utility model relates to a vertical traffic facilities is applied to the steel construction field that stands tall and erects, like tower structures such as radio and television, communication, electric power tower, concretely relates to ladder is walked to interior spiral steel.

Background

The high-rise steel structure is generally used in the industries of broadcast television, communication, electric power and the like, and vertical traffic facilities need to be arranged for meeting the requirements of equipment installation, overhaul, maintenance and other work. At present, an outward turning steel ladder is adopted. The steel is walked the ladder and is set up in the central point of the high-rise steel construction and put, generally sets up central derrick earlier, and the steel is walked the ladder and is depended on central derrick and set up.

The existing outward turning steel walking ladder has the defects that:

1. the existing steel walking ladder is arranged outside a central derrick, and components such as a platform beam, a walking ladder beam and the like are arranged by utilizing support provided by a derrick column, and the appearance of the walking ladder is in a continuous protrusion shape which spirals and rises. Under the condition that the decoration requirements are higher and higher at the present stage, the ladder-walking arrangement is not beneficial to the arrangement of an external decoration structure and the arrangement of light brightening facilities.

2. In order to ensure the stress coordination of the central derrick and the external tower, horizontal steel beams are required to connect the central derrick column and the external tower at certain intervals. The existing steel walking ladder is arranged along a central derrick, wavy protrusions are formed on the outer portion of the steel walking ladder, so that people cannot be influenced to walk, the joint of the steel walking ladder and an outer tower can only meet the requirement that three derrick posts are connected with the outer tower, and the integral stress performance is poor.

3. The bench bears main vertical load, and the bench that current steel was walked the ladder sets up along derrick outside overhanging, and main vertical load distributes outside the derrick, and the derrick (the derrick contains the down tube, and the down tube is main anti lateral force component in the structure) arranges inside as main anti lateral force component, and this kind of arrangement leads to the structure torsional rigidity relatively poor. In addition, the central derrick has smaller size and poorer lateral stiffness.

4. The ladder section of current steel walking ladder setting of encorbelmenting, through the feedback, the staff can produce the unsafe sense in psychology and vision when walking.

SUMMERY OF THE UTILITY MODEL

The ladder is characterized in that the ladder is made of steel, and the steel is connected with a central derrick through a steel pipe. In order to achieve the above object, the embodiment of the present invention provides the following technical solutions:

an internal rotation steel walking ladder comprises a plurality of walking ladders, wherein each walking ladder comprises a central derrick part and a ladder section part, and comprises a derrick pillar, a derrick cross rod, a derrick diagonal rod, a derrick diaphragm, walking ladder platform beams, walking ladder step beams, walking ladder steps and walking ladder platform plates, wherein the central derrick comprises four faces, each face comprises a derrick cross rod and two derrick diagonal rods and is supported by four derrick pillars, the two derrick diagonal rods are crossed and connected with the derrick pillar and the derrick cross rod, the derrick diaphragm is arranged between the two derrick cross rods positioned at the diagonal position of the walking ladder platform plates and used for improving the local rigidity of the plane, the walking ladder platform plates are supported by four walking ladder platform beams, two walking ladder platform beams are composed of mutually vertical derrick cross rods, a third walking ladder platform beam is composed of beams connected with the two derrick cross rods, the direction of the third walking ladder platform beam is vertical to the plane projection direction of the walking ladder beams connected with the third walking platform beam, the fourth platform beam of walking the ladder comprises the third platform beam of walking the ladder and the roof beam that is connected with the platform beam of walking the ladder that parallels with the third platform beam of walking the ladder, and the roof beam of walking the ladder and marking time is used for connecting the platform board of walking the ladder, and two are walked the ladder and are marked time setting up between the roof beam of walking the ladder.

Furthermore, the cross rod of the derrick and the ladder walking platform beam are both formed by channel steel.

Furthermore, the ladder walking beam is composed of steel plates or channel steel.

Furthermore, the ladder platform plate is composed of steel grating plates or pattern steel plates.

Furthermore, the ladder walking steps are composed of steel grating plates or pattern steel plates.

The utility model provides a following technical problem:

1. the bench is arranged in the center derrick, the vertical load is distributed in the derrick, the derrick serving as a lateral force resisting component is arranged outside, and the torsional rigidity of the center derrick is improved. In addition, under the same overall width, the utility model discloses have bigger size's center derrick, can provide the better anti lateral stiffness of structure.

2. The bench sets up inside central derrick, but derrick post and the horizontal girder steel symmetry setting of outside pylon, and the biography power performance is better, transmits the horizontal force that central derrick received for outside pylon, and central derrick is safer.

3. The outside of the central derrick is continuous and complete, so that the arrangement of an external decorative structure is facilitated, and the integral aesthetic feeling of the structure can be improved.

4. All components are prefabricated in factories and drilled and are connected through bolts on site, the prefabricated steel pipe belongs to an assembly type structure, the national policy is met, and the environment is not polluted. And the size of the component is small, so that the processing and the transportation are convenient.

5. People walk inside the central derrick, and more psychological and visual safety feelings are provided.

The embodiment of the utility model provides a have following advantage:

1. optimizing the structural form: the distribution of vertical loads in the structure can affect the stiffness of the structure. The current ladder of walking adopts to walk the ladder and revolve the setting outward, and vertical load distributes in central derrick outsidely, and the utility model discloses with the bench setting inside central derrick, load distribution concentrates on the component inside, has improved overall structure's torsional rigidity like this. Additionally, the utility model discloses a central derrick size is bigger, can improve the anti side rigidity of structure.

2. The utility model discloses set up the bench inside central derrick, the derrick outside is level and smooth continuous, is convenient for and outside pylon horizontal component's being connected, does benefit to central derrick and transmits the power for outside pylon, has improved central derrick and has walked the security of ladder.

3. Because the derrick is smooth and continuous outside, the arrangement of external decorative structures such as aluminum plate curtain walls, glass curtain walls and the like is facilitated.

4. People walk inside the derrick, providing more psychological and visual sense of safety.

Drawings

FIG. 1 is a schematic view of an outward rotating steel ladder;

FIG. 2 is a schematic view of an internal rotation steel ladder;

FIG. 3 is a schematic view of a derrick in an internal rotation steel walking ladder;

FIG. 4 is a schematic view of a ladder section of an internal rotation steel walking ladder;

wherein, 1 derrick post, 2 derrick horizontal poles, 3 derrick down tube, 4 derrick diaphragms, 5 walk the ladder platform roof beam, 6 walk the ladder and mark time the roof beam, 7 walk the ladder and mark time, 8 walk the ladder platform board.

Detailed Description

The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. 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.

For convenience of explanation, only one running ladder is labeled and described in the figures. The central derrick is a regular quadrilateral having four faces, each face containing derrick rails 2 and derrick diagonals 3, supported by four derrick columns 1. As can be seen from the figure, the outer main force-bearing part of the mast is formed by mast columns, mast cross bars and mast diagonals. In the figure, the derrick diaphragm 4 is arranged between two derrick cross bars which are far away from the landing platform plate 8 and used for improving the local rigidity of the plane. The landing slab 8 is supported by four landing beams, two of which are composed of the mutually perpendicular derrick cross bars 2, the third landing beam is composed of the beams connected to the two derrick cross bars 2, and the direction of the third landing beam is perpendicular to the plane projection direction of the landing stepping beam connected thereto. The fourth ladder walking platform beam is composed of a third ladder walking platform beam and a beam formed by connecting the ladder walking platform beams parallel to the third ladder walking platform beam. The step beam 6 is used for connecting the step platform plate 8. A step 7 is arranged between the two step beams 6.

Further, the derrick cross rod 2 and the ladder walking platform beam 5 are both formed by channel steel.

Further, the stair walking stepping beam 6 is composed of steel plates or channel steel.

Further, the platform plate 8 is composed of steel grating plates or pattern steel plates.

Furthermore, the stair walking steps 7 are composed of steel grating plates or pattern steel plates.

Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.

Claims

1. An internal rotation steel walking ladder is composed of a plurality of walking ladders, wherein each walking ladder is composed of a central derrick part and a ladder section part and is characterized by comprising derrick pillars (1), derrick cross rods (2), derrick inclined rods (3), derrick diaphragms (4), walking ladder platform beams (5), walking ladder step beams (6), walking ladder steps (7) and walking ladder platform plates (8), wherein the central derrick is provided with four faces, each face comprises a derrick cross rod (2) and two derrick inclined rods (3) and is supported by the four derrick pillars (1), the two derrick inclined rods (3) are crossed and connected with the derrick pillars (1) and the derrick cross rod (2), the derrick diaphragms (4) are arranged between the two derrick cross rods (2) which are positioned at opposite angles with the walking ladder platform plates (8) and are used for improving the local rigidity of the planes, and the walking ladder platform plates (8) are supported by the four walking ladder platform beams, wherein two walk terraced platform roof beams and constitute by mutually perpendicular's derrick horizontal pole (2), the third is walked terraced platform roof beam and is constituteed by the roof beam of connecting in two derrick horizontal poles (2), wherein the third is walked terraced platform roof beam's direction and is connected rather than walk the terraced plane projection direction of marking time the roof beam mutually perpendicular, the fourth is walked terraced platform roof beam and be connected roof beam constitution with the third that walks terraced platform roof beam and parallel, it is used for connecting terraced platform board (8) to walk terraced roof beam (6) to walk, it marks time (7) to set up the ladder to walk between two terraced roof beams (6) of marking time to walk.

2. An internal rotation steel walking ladder as claimed in claim 1, wherein the derrick cross bar (2) and the walking ladder platform beam (5) are all made of channel steel.

3. An internally-rotating steel walking ladder as claimed in claim 1, wherein the walking ladder step beam (6) is made of steel plates or channel steel.

4. An internal rotation steel walking ladder as claimed in claim 1, wherein the platform plates (8) are made of steel grating plates or pattern steel plates.

5. An internal rotation steel walking ladder as claimed in claim 1, the walking ladder step (7) is composed of steel grating plates or riffled steel plates.