CN217924518U

CN217924518U - Folding type integrally-assembled stair structure

Info

Publication number: CN217924518U
Application number: CN202221075251.2U
Authority: CN
Inventors: 莫国伟; 俞林飞
Original assignee: Zhejiang Quechao Construction Technology Co ltd
Current assignee: Zhejiang Quechao Construction Technology Co ltd
Priority date: 2022-05-07
Filing date: 2022-05-07
Publication date: 2022-11-29
Anticipated expiration: 2032-05-07

Abstract

The utility model relates to a building technical field especially relates to a superimposed whole assembled stair structure, including the stair body, stair body both ends all set up prefabricated mount pad, set up multistage location structure in the prefabricated mount pad, multistage location structure is used for fixing a position the stair body, prefabricated mount pad one side surface sets up supplementary bearing structure, supplementary bearing structure is used for supporting fixedly the stair body, multistage location structure includes the triangle fixture block, the triangle fixture block sets up bottom one side in prefabricated mount pad, triangle fixture block and first constant head tank joint, first constant head tank sets up in stair body bottom one side, the bottom sets up the second constant head tank in the prefabricated mount pad of triangle fixture block one side, the square fixture block of joint in the second constant head tank, square fixture block sets up in stair body bottom one side, the utility model discloses can carry out quick locating component with the stair body, the equipment simple operation, and installation stability is good.

Description

Folding type integrally-assembled stair structure

Technical Field

The utility model relates to a building technical field especially relates to a folding type unit-installment stair structure.

Background

With the popularization of prefabricated buildings in the whole country in recent years, more and more areas and cities require that the prefabrication rate reaches a certain proportion in newly-built reinforced concrete structure buildings. Because the stair component has the characteristics of high repetition rate and strong universality, in the buildings, the general stair mostly adopts a prefabricated reinforced concrete stair, the existing stair prefabricating scheme generally adopts an integral prefabricated step plate, the whole step plate is prefabricated in a factory, and two pin key holes are respectively arranged at two ends of the step plate and used for connecting the support when the step plate is prefabricated. After the ladder beam is poured and the strength is achieved, the prefabricated ladder plate is hoisted by the crane, the support ladder beam pin key penetrates through the ladder plate pin key hole, and then the support is filled, so that the installation is completed.

Current reinforced concrete stair are in the installation, can't carry out quick positioning assembly, and it is inconvenient to pour the operation after the equipment, and the erection joint stability is not good simultaneously, equipment complex operation.

SUMMERY OF THE UTILITY MODEL

For solving the technical problem that exists among the background art, the utility model provides a folding type whole assembled stair structure, including the stair body, stair body both ends all set up prefabricated mount pad, set up multistage location structure in the prefabricated mount pad, multistage location structure is used for fixing a position the stair body, prefabricated mount pad side surface sets up supplementary bearing structure, supplementary bearing structure is used for supporting fixedly the stair body.

Preferably, the multistage positioning structure comprises a triangular clamping block, the triangular clamping block is arranged on one side of the bottom in the prefabricated mounting seat, the triangular clamping block is clamped with the first positioning groove, and the first positioning groove is arranged on one side of the bottom of the stair body.

Preferably, the bottom sets up the second constant head tank in the prefabricated mount pad of triangle fixture block one side, the square fixture block of joint in the second constant head tank, square fixture block sets up in stair body bottom one side.

Preferably, the surfaces of the two sides of the triangular clamping block are symmetrically provided with diversion grooves.

Preferably, the auxiliary support structure comprises an auxiliary support steel plate, and the auxiliary support steel plate is embedded in the surface of one side of the prefabricated mounting seat.

Preferably, one side of the auxiliary supporting steel plate is provided with a bolt mounting hole, and a locking bolt is arranged in the bolt mounting hole.

Preferably, one end of the locking bolt is connected with the threaded sleeve, and the threaded sleeve is embedded in one side of the bottom of the stair body.

Preferably, the triangular clamping block and the prefabricated mounting seat are of an integral pouring forming structure.

Preferably, the square fixture blocks and the stair body are of an integrally cast structure.

Compared with the prior art, the above technical scheme of the utility model following profitable technological effect has:

1. the utility model discloses a multistage location structure's setting can carry out quick location equipment with stair body and prefabricated mount pad, and stair body equipment simple operation has improved the packaging efficiency.

2. The utility model discloses a supplementary bearing structure's setting can carry out the auxiliary stay by the stair body, has improved the stability of prefabricated mount pad with this body coupling of stair.

Drawings

Fig. 1 is a schematic structural view of a stacked integrally assembled stair structure according to a first embodiment;

FIG. 2 is a schematic structural view of a prefabricated mounting seat in a stacked integrally-assembled stair structure;

FIG. 3 is a schematic sectional view of a stacked integrally assembled staircase structure;

fig. 4 is a partially enlarged structural view of a portion a of fig. 3.

Reference numerals are as follows: 1. prefabricating a mounting seat; 2. a stair body; 11. a diversion trench; 12. a second positioning groove; 13. A bolt mounting hole; 14. auxiliary supporting steel plates; 15. a triangular clamping block; 16. a square fixture block; 17. a first positioning groove; 18. locking the bolt; 19. and (4) a threaded sleeve.

Detailed Description

Example one

As shown in fig. 1-3, the utility model provides a superimposed whole assembled stair structure, including

stair body

2, 2 both ends of stair body all set up prefabricated mount pad 1, set up multistage location structure in the prefabricated mount pad 1, multistage location structure is used for fixing a

position stair body

2, 1 side surface of prefabricated mount pad sets up auxiliary stay structure, auxiliary stay structure is used for supporting stair body 2 fixedly, multistage location structure includes triangle fixture block 15, triangle fixture block 15 sets up bottom one side in prefabricated mount pad 1, triangle fixture block 15 and first locating slot 17 joint, first locating slot 17 sets up in 2 bottom one sides of stair body.

In this embodiment, at first hoist 2 both ends of stair body to in prefabricated mount pad 1 to be connected triangle fixture block 15 and first constant head tank 17, and then be connected stair body 2 and prefabricated mount pad 1, then pour into the concrete from the clearance department of first constant head tank 17 and triangle fixture block 15, be connected stair body 2 and prefabricated mount pad 1 through the concrete curing.

The diversion trenches 11 are symmetrically formed in the surfaces of the two sides of the triangular clamping block 15, so that concrete can flow into the diversion trenches 11, the fact that the concrete is attached to the stair body 2 can be improved, and firmness of connection between the stair body 2 and the prefabricated mounting seat 1 is further improved.

The triangular clamping block 15 and the prefabricated mounting seat 1 are of an integral pouring forming structure, and the integral strength of connection of the triangular clamping block 15 and the prefabricated mounting seat 1 is improved.

Example two

As shown in fig. 2-3, the utility model provides a superimposed whole assembled stair structure compares in embodiment one, and this embodiment still includes second constant head tank 12, and the bottom sets up second constant head tank 12 in the prefabricated mount pad 1 of triangle fixture block 15 one side, and square fixture block 16 of joint in the second constant head tank 12, square fixture block 16 sets up in 2 bottom one sides of stair body.

In this embodiment, when placing in prefabricated mount pad 1 at 2 both ends of stair body, go into second constant head tank 12 with square fixture block 16 card in, the location nature when stair body 2 is connected with prefabricated mount pad 1 can further be improved.

The square fixture block 16 and the stair body 2 are of an integral casting structure, so that the integral strength of the square fixture block 16 and the stair body 2 is improved.

EXAMPLE III

As shown in fig. 3 and fig. 4, the utility model provides a superimposed whole assembled stair structure compares in embodiment one or embodiment two, and this embodiment still includes auxiliary stay structure, and auxiliary stay structure includes auxiliary support steel sheet 14, and auxiliary support steel sheet 14 is pre-buried in prefabricated mount pad 1 side surface, and 14 one sides of auxiliary support steel sheet set up bolt mounting hole 13, set up locking bolt 18 in the bolt mounting hole, and 18 one end of locking bolt are connected with thread bush 19, and thread bush 19 is pre-buried in 2 bottom one sides of stair body.

In this embodiment, after the stair body 2 is assembled with the prefabricated mounting seat 1, the auxiliary support steel plate 14 assists in supporting the stair body 2, then the locking bolt 18 is screwed, the locking bolt 18 is connected with the thread bushing 19, and the auxiliary support steel plate 14 is fixed with the stair body 2.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited thereto, and various changes can be made without departing from the gist of the present invention within the scope of knowledge possessed by those skilled in the art.

Claims

1. A superposed integrally-assembled stair structure comprises a stair body (2) and is characterized in that prefabricated installation seats (1) are arranged at two ends of the stair body (2), a multi-stage positioning structure is arranged in each prefabricated installation seat (1) and used for positioning the stair body (2), an auxiliary supporting structure is arranged on the surface of one side of each prefabricated installation seat (1) and used for supporting and fixing the stair body (2); the multistage positioning structure comprises a triangular clamping block (15), the triangular clamping block (15) is arranged on one side of the bottom in the prefabricated mounting seat (1), the triangular clamping block (15) is connected with a first positioning groove (17) in a clamped mode, and the first positioning groove (17) is arranged on one side of the bottom of the stair body (2).

2. The stacked type integrally assembled stair structure according to claim 1, wherein a second positioning groove (12) is formed in the bottom of the prefabricated installation seat (1) on one side of the triangular clamping block (15), a square clamping block (16) is clamped in the second positioning groove (12), and the square clamping block (16) is arranged on one side of the bottom of the stair body (2).

3. The structure of a stacked integrally assembled staircase according to claim 1, wherein the triangular blocks (15) are symmetrically provided with guiding grooves (11) on both side surfaces.

4. A stacked integrally assembled stair structure according to claim 1, wherein the auxiliary support structure comprises an auxiliary support steel plate (14), the auxiliary support steel plate (14) being pre-embedded in a side surface of the prefabricated installation base (1).

5. A stacked integrally assembled stair structure according to claim 4, wherein the auxiliary support steel plate (14) is provided with bolt mounting holes (13) at one side, and locking bolts (18) are arranged in the bolt mounting holes.

6. A stacked integral assembly type stair structure according to claim 5, wherein one end of the locking bolt (18) is connected with a threaded sleeve (19), and the threaded sleeve (19) is pre-embedded at one side of the bottom of the stair body (2).

7. A stacked integral assembly stair structure according to claim 1, wherein the triangular fixture block (15) and the prefabricated installation seat (1) are of an integral casting structure.

8. The structure of claim 2, wherein the square blocks (16) and the stair body (2) are integrally cast.