CN220620783U

CN220620783U - Long steel rotatory stair of encorbelmenting

Info

Publication number: CN220620783U
Application number: CN202322211204.7U
Authority: CN
Inventors: 胡晨浩; 邹昌明; 熊鹰
Original assignee: Qingdao Public Building Design Research Institute Co ltd
Current assignee: Qingdao Public Building Design Research Institute Co ltd
Priority date: 2023-08-17
Filing date: 2023-08-17
Publication date: 2024-03-19
Anticipated expiration: 2033-08-17

Abstract

The utility model belongs to the technical field of stairs, and particularly relates to a long cantilever steel rotary stair which comprises a fence, guardrails and a table top, wherein the table top is fixed on the outer wall of the fence in a stepped manner, a main rod is fixed on the top of the table top from beginning to end, the guardrails are installed on the top of the main rod, the bottom end of the main rod is fixed corresponding to the ground, a support column is fixedly attached to the outer wall of the fence, a first inclined support is fixedly arranged on the top of the support column, a first support plate is fixedly arranged on the top of the first inclined support, a first reinforcing frame is fixedly arranged on the top of the first support plate, and the table top is fixedly arranged on the top of the first reinforcing frame. The utility model is beneficial to ensuring that the force arm between the support column and the table top is shorter, and simultaneously forming support for the whole table top of the table top, thereby avoiding the condition that the table top shakes or the table top tilts due to long-time gravity.

Description

Long steel rotatory stair of encorbelmenting

Technical Field

The utility model relates to the technical field of motors, in particular to a long overhanging steel rotary stair.

Background

The steel structure rotary stair is a unique and attractive design, and has obvious advantages in the aspects of modeling, space utilization and safety compared with the traditional straight stair.

The prior patent (publication number is CN 2748555Y) and a rotatable stair, the overall appearance of the stair is adjusted, and the landing position of the stair can be changed under the condition that the position of the top of the stair is fixed; secondly, the utility model has high strength and reliability, and can stably stay in the state without rotation when being adjusted to the proper state; thirdly, the armrest of the utility model can be correspondingly adjusted along with the adjustment of the bone knot, and the armrest does not need to be detached and replaced when the bone knot is adjusted, however, the armrest is sequentially overlapped to cause the gap between the supporting surface and the supporting column to be larger and larger, and when the arm of force is pressed by the gravity for a longer time, the gravity applied to the connecting point is too large, so that the shaking problem is easy to occur, and the top surface is offset and deformed, or the table top is inclined.

Therefore, we propose a long steel spiral stair of encorbelmenting, be favorable to guaranteeing to be shorter of arm of force between support column and the mesa, form the support to the whole mesa of mesa simultaneously, avoid the mesa of long-time gravity appearance to rock, perhaps the circumstances of mesa slope.

Disclosure of Invention

In order to overcome the defects in the prior art, the utility model provides a long cantilever steel rotary stair for solving the problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a long steel spiral stair of encorbelmenting, includes rail, guardrail and mesa, rail outer wall stepwise is fixed with the mesa, and the head and the tail the mesa top is fixed with the mobile jib, the guardrail is installed at the mobile jib top, the mobile jib bottom corresponds ground and fixes, rail outer wall laminating is fixed with the support column, the support column top is fixed with the first diagonal brace of slope form, first diagonal brace top is fixed with first backup pad, first backup pad top is fixed with first enhancement frame, first enhancement frame top surface is fixed with the mesa.

Further: the support column lateral wall nestification has the block frame, block frame and support column are fixed through the screw rod, block frame outside fixedly connected with second bracing frame, second bracing frame top is fixed with the second backup pad, second backup pad top is fixed with the second enhancement frame.

Further: the structure of the first reinforcing frame is symmetrical and identical to that of the second reinforcing frame.

Further: the first reinforcing frame and the second reinforcing frame are both half-frame-shaped, and reinforcing ribs are fixed on the inner walls of the first reinforcing frame and the second reinforcing frame at equal intervals.

Further: the top surfaces of the first reinforcing frame and the second reinforcing frame are respectively fixed with two groups of adjacent table tops.

Further: the number of the table tops is at least three, and the table tops are sequentially lifted in height.

Further: the guardrail bottom equidistance is fixed with assists the pole, it is fixed that assistance pole bottom corresponds mesa top, guardrail and rail are rotatory form.

Compared with the prior art, the utility model has the technical effects and advantages that:

1) According to the long overhanging steel rotary stair, the support columns, the first support frames, the second support frames and the first reinforcement frames are arranged, the support columns are attached to the rail and fixed, the support columns are fixed corresponding to the ground, the first reinforcement frames are connected with the first support frames through the first diagonal support frames, the first reinforcement frames support the table top, the clamping frames are fixed corresponding to the outer walls of the support columns, the second reinforcement frames are supported through the second support frames of the second diagonal support frames, the table top height of the second reinforcement frames is lower than that of the first reinforcement frames, and in the same way, the table top of the third reinforcement frames can be increased to be higher than that of the first reinforcement frames, the shorter moment arm between the support columns and the table top is guaranteed, and meanwhile, the whole table top of the table top is supported, so that table top shaking or table top inclination caused by long-time gravity is avoided.

2) According to the long overhanging steel rotary stair, through the arrangement of the main rods and the guardrails, the main rods at the head end and the tail end of the guardrails are respectively fixed corresponding to the ground of different floors, so that the stability of the guardrails is higher, the auxiliary rods are fixed corresponding to the residual table tops, and the guardrails form lifting performance on the residual table tops.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic diagram of a main lever structure according to the present utility model;

FIG. 3 is a schematic view of a support column according to the present utility model;

fig. 4 is a schematic view of the first diagonal bracing structure of the present utility model.

The reference numerals are: 1. a table top; 2. guard bars; 3. a fence; 4. an auxiliary rod; 5. a main rod; 6. ground surface; 7. a support column; 8. a first reinforcing frame; 9. a second reinforcing frame; 10. a second support plate; 11. a second diagonal brace; 12. a clamping frame; 13. a first support plate; 14. a screw; 15. a first diagonal brace.

Detailed Description

The embodiments of the present utility model will be described more fully hereinafter with reference to the accompanying drawings, in which the structures described in the following embodiments are shown by way of illustration only, and the structures according to the present utility model are not limited to the structures described in the following embodiments, but all other embodiments obtained by one skilled in the art without making any inventive effort are within the scope of the present utility model.

Examples:

referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides a long steel spiral stair of encorbelmenting, includes rail 3, guardrail 2 and mesa 1, rail 3 outer wall stepwise fixed with mesa 1, mesa 1 according to the actual usable wooden or metal material, head and tail mesa 1 top is fixed with mobile jib 5, and head and tail two sets of mobile jib 5 correspond the ground 6 of upstairs downstairs and fix, guardrail 2 is installed at mobile jib 5 top, and guard bar 2 can not drop from the stair through guardrail 2 protection personnel, mobile jib 5 bottom corresponds ground 6 fixedly, rail 3 outer wall laminating is fixed with support column 7, support column 7 top is fixed with the first diagonal brace 15 of slope form, first diagonal brace 15 top is fixed with first backup pad 13, first backup pad 13 top is fixed with first enhancement frame 8, first enhancement frame 8 top surface is fixed with mesa 1, makes the spanned weight of mesa 1 improve through first enhancement frame 8, is difficult to receive the circumstances of the slope that the influence of gravity appears simultaneously, and the mobile jib 5 at both ends of guardrail 2 respectively correspond different ground 6 simultaneously and fix for the stability of guardrail 2, also forms the portability simultaneously.

The utility model provides a support column 7, wherein, support column 7 lateral wall nestification has block frame 12, block frame 12 and support column 7 pass through screw rod 14 to be fixed, block frame 12 outside fixedly connected with second diagonal brace 11, second diagonal brace 11 top is fixed with second backup pad 10, second backup pad 10 top is fixed with second enhancement frame 9, it is fixed through laminating rail 3 with support column 7, it is fixed with support column 7 corresponding ground 6, connect first enhancement frame 8 through first diagonal brace 15, and then first enhancement frame 8 supports mesa 1, it is fixed with block frame 12 corresponding support column 7 outer wall, and then support second enhancement frame 9 through the second support frame of second diagonal brace 11, mesa 1 height of second enhancement frame 9 is less than mesa 1 of first enhancement frame 8, and the same reason can increase mesa 1 of third enhancement frame and be higher than mesa 1 of first enhancement frame 8, make between support column 7 and mesa 1 the moment arm be shorter, simultaneously to 1 whole mesa 1 forms the support, the circumstances that the mesa 1 appears of long-time gravity, or the slope of mesa 1 appears.

The first reinforcing frame 8 and the second reinforcing frame 9 are made of metal materials, and have the same size and the same processing mode.

Wherein, first enhancement frame 8 and second enhancement frame 9 are half frame form, first enhancement frame 8 and second enhancement frame 9 inner wall equidistance are fixed with the strengthening rib, through the holding power of strengthening rib to mesa 1 bottom, and then mesa 1 receives the gravity influence, and then first enhancement frame 8 and strengthening rib homoenergetic provide good supportability.

Wherein, the top surfaces of the first reinforcing frame 8 and the second reinforcing frame 9 are respectively fixed with two groups of adjacent table tops 1, the heights and the positions of the first reinforcing frame 8 and the second reinforcing frame 9 are staggered, and respectively correspond to two groups of table tops 1 which are higher and lower.

The number of the table tops 1 is at least three, the table tops 1 are sequentially lifted in height, the table tops 1 are distributed in a step mode and are arranged along the rail 3 in a rotating mode, and then rotary stairs are formed.

Wherein, guardrail 2 bottom equidistance is fixed with assists pole 4, it is fixed that assistance pole 4 bottom corresponds mesa 1 top, guardrail 2 and rail 3 are rotatory form, and assistance pole 4 through guardrail 2 bottom corresponds mesa 1 and fixes, and then guardrail 2 forms the lift nature to mesa 1 one end.

The working principle of the embodiment of the utility model is as follows: the rail 3 laminating wall sets up, rail 3 is the curved surface, it is fixed to laminate rail 3 with support column 7, it is fixed to correspond ground 6 with support column 7, connect first enhancement frame 8 through first bearing frame 15, and then first enhancement frame 8 supports mesa 1, it is fixed to correspond support column 7 outer wall with block frame 12, and then support second enhancement frame 9 through the second bearing frame of second enhancement frame 11, mesa 1 height of second enhancement frame 9 is less than mesa 1 of first enhancement frame 8, the same reason, can increase mesa 1 of third enhancement frame and be higher than mesa 1 of first enhancement frame 8, make arm of force between support 7 and the mesa 1 shorter, simultaneously form supporting to mesa 1 whole mesa 1, and then mesa 1 ladder-like distribution, and rotatory setting along rail 3, and then form rotatory stair, through fixing the mobile jib 5 at the head and tail both ends of guardrail 2 respectively corresponding ground 6 of different floors, make the stability of guardrail 2 higher, correspond mesa 1 through the auxiliary rod 4 of guardrail 2 bottom, and then the one end forms the portability to mesa 1.

While the fundamental and principal features of the utility model and advantages of the utility model have been shown and described, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

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

Claims

1. The utility model provides a long steel spiral stair of encorbelmenting, includes rail (3), guardrail (2) and mesa (1), rail (3) outer wall stepwise be fixed with mesa (1), head and tail mesa (1) top is fixed with mobile jib (5), guardrail (2), its characterized in that are installed at mobile jib (5) top: the utility model discloses a mobile jib, including mobile jib (5), rail (3), support column (7) outer wall laminating is fixed with, support column (7) top is fixed with first diagonal brace (15) of slope form, first diagonal brace (15) top is fixed with first backup pad (13), first backup pad (13) top is fixed with first enhancement frame (8), first enhancement frame (8) top surface is fixed with mesa (1).

2. A long cantilever steel spiral stair according to claim 1, wherein: the utility model discloses a support column, including support column (7), block frame (12) and support column (7) are nested to have, block frame (12) and support column (7) are fixed through screw rod (14), block frame (12) outside fixedly connected with second diagonal brace (11), second diagonal brace (11) top is fixed with second backup pad (10), second backup pad (10) top is fixed with second enhancement frame (9).

3. A long cantilever steel spiral stair according to claim 2, wherein: the structure of the first reinforcing frame (8) and the structure of the second reinforcing frame (9) are symmetrically identical.

4. A long cantilever steel spiral stair according to claim 2, wherein: the first reinforcing frame (8) and the second reinforcing frame (9) are both in a half frame shape, and reinforcing ribs are fixed on the inner walls of the first reinforcing frame (8) and the second reinforcing frame (9) at equal intervals.

5. A long cantilever steel spiral stair according to claim 1, wherein: the top surfaces of the first reinforcing frame (8) and the second reinforcing frame (9) are respectively fixed with two groups of adjacent table tops (1).

6. A long cantilever steel spiral stair according to claim 1, wherein: the number of the table tops (1) is at least three, and the plurality of groups of table tops (1) are sequentially lifted in height.

7. A long cantilever steel spiral stair according to claim 1, wherein: the novel guardrail is characterized in that auxiliary rods (4) are fixed at the bottom end of the guardrail (2) at equal intervals, the bottom ends of the auxiliary rods (4) are fixed at the tops of the corresponding table boards (1), and the guardrail (2) and the guardrail (3) are in a rotary shape.