CN211143845U

CN211143845U - Turnover type stair and operation platform

Info

Publication number: CN211143845U
Application number: CN201921273250.7U
Authority: CN
Inventors: 张兴崇; 周斌斌; 郄嘉琳; 念桐
Original assignee: China Construction Third Bureau Xiamen Construction Co Ltd
Current assignee: China Construction Third Bureau Xiamen Construction Co Ltd
Priority date: 2019-08-07
Filing date: 2019-08-07
Publication date: 2020-07-31
Anticipated expiration: 2029-08-07

Abstract

The utility model discloses a turnover stair and operation platform, it includes six stands, these six stands are divided into two rows of each three and lay in the front and back, three stands of each row are evenly spaced and set up, begin to set up each stand as first stand, second stand, third stand, fourth stand, fifth stand and sixth stand along the anticlockwise direction in proper order from the first stand of front row, the length of first stand is equivalent to twice floor height, the length of second stand, third stand is equivalent to floor height, the length of fourth stand, fifth stand and sixth stand is equivalent to 1.5 times floor height; two turnover stairs are fixed between two rows of upright posts. The operation platform can solve the problem of personnel going up and down an operation layer and is also used as an emergency evacuation channel; can be used as a template for installing and dismantling an operation platform, and solves the problems that no platform exists in the overhead operation of an operation layer and no protection or difficult protection exists at the entrance of a staircase. The structure is simple, the manufacture is simple and the cost is low.

Description

Turnover type stair and operation platform

Technical Field

The utility model relates to a turnover formula stair hold operating platform concurrently.

Background

The PC prefabricated stairway can only finish the construction of the stairway through later-stage hoisting, concrete pouring is required to be finished, and construction is carried out after the templates are removed, so that the N-1 layer and the N-layer operation layer cannot be connected through the stairway and cannot reach the operation layer above the stairway for construction operation, and the operation layer has no stairway and is inconvenient to construct.

SUMMERY OF THE UTILITY MODEL

The utility model provides a turnover formula stair hold operating platform concurrently, it has overcome in the background art not enough of prior art.

The utility model provides a technical scheme that its technical problem adopted is:

a turnover stair and operation platform comprises six upright posts, wherein the six upright posts are distributed in a front row and a rear row respectively in three rows, the three upright posts in each row are uniformly arranged at intervals, the upright posts are sequentially arranged into a first upright post, a second upright post, a third upright post, a fourth upright post, a fifth upright post and a sixth upright post from the first upright post in the front row along the anticlockwise direction, the length of the first upright post is equivalent to twice the height of a floor, the lengths of the second upright post and the third upright post are equivalent to the height of the floor, and the lengths of the fourth upright post, the fifth upright post and the sixth upright post are equivalent to 1.5 times the height of the floor;

two turnover stairs for going upstairs are fixedly arranged between two rows of stand columns, and are provided with a first running stair, a second running stair and a rest platform connected between the first running stair and the second running stair, wherein the initial step of the first running stair is positioned between the first stand column and the second stand column and is fixedly connected to the first stand column and the second stand column, the rest platform is fixedly connected to the fourth stand column, the fifth stand column and the sixth stand column, and the stop step of the second running stair is positioned between the second stand column and the third stand column and is fixedly connected to the second stand column and the third stand column.

In one embodiment: the upper ends of the first upright post, the third upright post, the fourth upright post and the sixth upright post are connected in pairs through four first connecting rods which are horizontally arranged.

In one embodiment: the lower parts of the first upright post and the sixth upright post are connected through a second connecting rod which is obliquely arranged.

In one embodiment: the lower parts of the third upright post and the fourth upright post are connected through a third connecting rod which is obliquely arranged.

In one embodiment: and the top ends of the first upright column, the third upright column, the fourth upright column and the sixth upright column are respectively provided with a hoisting point device for hoisting and moving the operating platform.

In one embodiment: the top end of the first upright post and the second upright post are fixedly connected with a protective guardrail.

In one embodiment: the side edge of the first stair and/or the second stair is provided with a handrail.

In one embodiment: the middle upper parts of the fourth stand column and the sixth stand column are respectively provided with a shoring short rod, the shoring short rod is perpendicular to the fourth stand column or the sixth stand column, and can movably extend out of the shoring shear wall along the direction perpendicular to the fourth stand column or the sixth stand column, so that the effect of stabilizing the platform is achieved.

In one embodiment: the fixed connection is welding.

Compared with the background technology, the technical scheme has the following advantages:

the operation platform can solve the problem of personnel going up and down an operation layer and is also used as an emergency evacuation channel; the template can be used as a template mounting and dismounting operation platform, and the problems of no protection and no platform in the edge-facing operation at the high position of an operation layer are solved; the problem of operation layer stairwell entrance to a cave does not have protection or protection difficulty is solved.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is a schematic perspective view of a turnaround type stair and operation platform according to this embodiment.

Fig. 2 is a schematic front view of the turnaround type stair and operation platform according to this embodiment.

Fig. 3 is a left side view schematically illustrating a turnaround type stair and operation platform according to this embodiment.

Fig. 4 is a schematic top view of the turnaround type stair and operation platform according to the embodiment.

Detailed Description

Referring to fig. 1 to 4, a revolving stair and operation platform includes six columns, the six columns are arranged in two rows, each of the six columns is arranged in front and back, the three columns in each row are uniformly spaced, the columns are sequentially arranged from the first column in the front row along the counterclockwise direction as a first column 1, a second column 2, a third column 3, a fourth column 4, a fifth column 5 and a sixth column 6, the length of the first column 1 is equal to twice the height of a floor, the lengths of the second column 2 and the third column 3 are equal to the height of the floor, and the lengths of the fourth column 4, the fifth column 5 and the sixth column 6 are equal to 1.5 times the height of the floor;

two turnover stairs for going upstairs are fixedly arranged between two rows of upright columns, and are provided with a first stair running 11, a second stair running 12 and a rest platform 13 connected between the first stair running 11 and the second stair running 12, wherein the initial step of the first stair running 11 is positioned between the first upright column 1 and the second upright column 2 and is fixedly connected on the first upright column 1 and the second upright column 2, the rest platform 13 is fixedly connected on the fourth upright column 4, the fifth upright column 5 and the sixth upright column 6, and the termination step of the second stair running 12 is positioned between the second upright column 2 and the third upright column 3 and is fixedly connected on the second upright column 2 and the third upright column 3. The fastening may be welding.

The upper ends of the first upright post 1, the third upright post 3, the fourth upright post 4 and the sixth upright post 6 are connected in pairs through four first connecting rods 7 which are horizontally arranged, and the first upright post 1, the third upright post 3, the fourth upright post 4 and the sixth upright post 6 are just positioned at four right-angle positions of the rectangular frame.

The lower parts of the first upright column 1 and the sixth upright column 6 are connected through a second connecting rod 8 which is obliquely arranged, and the lower parts of the third upright column 3 and the fourth upright column 4 are connected through a third connecting rod 9 which is obliquely arranged, so that the firmness of the operation platform is improved.

The top ends of the first upright 1, the third upright 3, the fourth upright 4 and the sixth upright 6 are respectively provided with a lifting point device 21 for lifting and moving the operating platform.

This first stand 1 and the top rigid coupling of second stand 2 have protection guardrail 22, protect through adding protection guardrail 22 to the position of operation layer stair mouth stepless connection protection promptly to guarantee safety.

Preferably, the first running stair 11 and/or the second running stair 12 are provided with balustrade handrails 14 at the sides.

The middle upper parts of the fourth upright column 4 and the sixth upright column 6 are respectively provided with a shoring short rod 30, the shoring short rod 30 is perpendicular to the fourth upright column 4 or the sixth upright column 6, and can movably extend out of the direction perpendicular to the fourth upright column 4 or the sixth upright column 6 to prop against the shear wall, so that the operation platform is fixed on the wall surface, and the operation platform is guaranteed to be stable and immovable when in use.

The width of this operation platform establishes respectively to reduce the width of at least 20cm for staircase bay size both sides, this operation platform's length establishes respectively to reduce the width of at least 20cm just for staircase depth both ends, the width of rest platform 13 establishes to at least 80cm, each stand of operation platform adopts the thick steel square tube of 50mm of the big or small, railing 14 adopts the thick steel square tube of 30mm of the big or small, first connecting rod 7, second connecting rod 8, third connecting rod 9 adopts the thick steel square tube of 40mm, the first step that runs stair 11 and second run stair 12 adopts angle steel or decorative pattern steel sheet welding to form, the interval of this stair step can set up according to the floor height, but should not be greater than 30 cm.

When the operation platform is in actual use, an erection operation layer is located on the Nth layer, the first upright stanchion 1 is erected on the N-2 layer, the second upright stanchion 2 and the third upright stanchion 3 are erected on first stair treads (belonging to the pedals of the PC prefabricated staircase 100) connected with the N-1 layer (because the shear wall surfaces corresponding to staircases among the layers are vertically aligned and located on the same vertical plane), and the fourth upright stanchion 4, the fifth upright stanchion 5 and the sixth upright stanchion 6 are erected on a rest platform of the PC prefabricated staircase 100 located at the 1.5-layer high position.

The operation platform can solve the problem of personnel going up and down an operation layer and is also used as an emergency evacuation channel; the template can be used as a template mounting and dismounting operation platform, and the problems of no protection and no platform in the edge-facing operation at the high position of an operation layer are solved; the problem of operation layer stairwell entrance to a cave does not have protection or protection difficulty is solved. The operating platform is simple in structure, simple to manufacture and low in cost.

The above description is only a preferred embodiment of the present invention, and therefore the scope of the present invention should not be limited by this description, and all equivalent changes and modifications made within the scope and the specification of the present invention should be covered by the present invention.

Claims

1. The utility model provides a turnover formula stair hold concurrently operation platform which characterized in that: the building comprises six upright columns, wherein the six upright columns are distributed in two rows of a front row and a rear row, the three upright columns in each row are uniformly arranged at intervals, the upright columns are sequentially arranged as a first upright column, a second upright column, a third upright column, a fourth upright column, a fifth upright column and a sixth upright column from the first upright column in the front row along the anticlockwise direction, the length of the first upright column is equivalent to twice the height of a floor, the lengths of the second upright column and the third upright column are equivalent to the height of the floor, and the lengths of the fourth upright column, the fifth upright column and the sixth upright column are equivalent to 1.5 times the height of the floor;

2. The epicyclic stair and operation platform according to claim 1, wherein: the upper ends of the first upright post, the third upright post, the fourth upright post and the sixth upright post are connected in pairs through four first connecting rods which are horizontally arranged.

3. A turnaround stair and operations platform according to claim 2, wherein: the lower parts of the first upright post and the sixth upright post are connected through a second connecting rod which is obliquely arranged.

4. A turnaround stair and operations platform according to claim 3, wherein: the lower parts of the third upright post and the fourth upright post are connected through a third connecting rod which is obliquely arranged.

5. The epicyclic stair and operation platform according to claim 1, wherein: and the top ends of the first upright column, the third upright column, the fourth upright column and the sixth upright column are respectively provided with a hoisting point device for hoisting and moving the operating platform.

6. The epicyclic stair and operation platform according to claim 1, wherein: the top end of the first upright post and the second upright post are fixedly connected with a protective guardrail.

7. The epicyclic stair and operation platform according to claim 1, wherein: the side edge of the first stair and/or the second stair is provided with a handrail.

8. The epicyclic stair and operation platform according to claim 1, wherein: and the middle upper parts of the fourth upright column and the sixth upright column are respectively provided with a shoring short rod, and the shoring short rod is vertical to the fourth upright column or the sixth upright column and can movably extend out of the shoring shear wall along the direction vertical to the fourth upright column or the sixth upright column.

9. The epicyclic stair and operation platform according to claim 1, wherein: the fixed connection is welding.