CN220644939U

CN220644939U - Stair for assembly type building construction

Info

Publication number: CN220644939U
Application number: CN202322060731.2U
Authority: CN
Inventors: 王浩
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-08-02
Filing date: 2023-08-02
Publication date: 2024-03-22
Anticipated expiration: 2033-08-02

Abstract

The utility model relates to the technical field of construction stairs, in particular to a stair for assembled building construction, which comprises a fixed frame, wherein a stair support frame is obliquely and fixedly connected to the middle part of the inner wall of the fixed frame, a plurality of connecting shafts are rotatably connected to the bottom edge of the inner wall of the stair support frame, stair tread plates are fixedly connected to the middle parts of the connecting shafts, and the width of each stair tread plate is matched with the distance between the connecting shafts. The utility model has the advantages that: after the connecting shaft at the bottom is driven through the adjusting component to rotate, a plurality of connecting shafts can be simultaneously driven to rotate through the connecting lugs and the linkage rod, so that all stair tread overturning angles are driven, when people need to go up and down, the stair tread is rotated to an angle parallel to the ground, people are convenient to go up and down, when the material trolley is needed to go up and down, the stair tread is rotated to an angle parallel to the stair support frame, all stair tread heads and tails are spliced to form a slope, the trolley is convenient to go up and down, and practicability is improved.

Description

Stair for assembly type building construction

Technical Field

The utility model relates to the technical field of construction stairs, in particular to a stair for assembled building construction.

Background

In the construction, prefabricated stairway is adopted in the assembled building, and the prefabricated stairway can be lifted after the floor concrete strength of the pre-buried bolts of the operation layer reaches 75%, so that before the prefabricated stairway is lifted, the stairwell of the operation layer is not protected, on one hand, the prefabricated stairwell is very unsafe, the possibility that workers fall from the stairwell of the operation layer exists, on the other hand, the workers cannot go to the operation layer, and the construction is inconvenient. Therefore, temporary stairways need to be erected before the prefabricated stairways are hoisted, so that workers can move up and down.

In chinese utility model CN219012074U, a stair for assembled building construction is disclosed, the built-in inclined ladder of the support of the stair for assembled building construction solves the problem that the worker moves up and down on different floors, the design of the reinforcing rod not only makes the inclined ladder and the support more firm, but also can cooperate with the inclined rod to protect the worker on the inclined ladder, the reinforcing rod and the inclined rod can also serve as handrails, because the construction site is complex, the worker can usually carry articles or tools for construction, the arranged blocking net, bottom plate and extension plate can prevent the articles or tools from falling, but the stair for assembled building construction has the following problems in use:

the stair for the fabricated building construction is fixedly installed by the steps, and the trolley is inevitably used for pulling materials during construction, the fixed steps are only convenient for workers to walk up and down, but the trolley is very difficult to go up and down, so that the use limitation exists.

Disclosure of Invention

The object of the present utility model is to solve at least one of the technical drawbacks.

It is therefore an object of the present utility model to provide a stairway for use in prefabricated building construction, which solves the problems mentioned in the background art and overcomes the disadvantages of the prior art.

In order to achieve the above object, an embodiment of an aspect of the present utility model provides a stair for assembled building construction, including a fixing frame, a middle part slant fixedly connected with stair support frame of the inner wall of the fixing frame, the bottom edge of the inner wall of the stair support frame rotates and is connected with a plurality of connecting shafts, a plurality of middle parts of the connecting shafts are all fixedly connected with stair tread boards, the width of the stair tread boards is adapted to the interval between a plurality of connecting shafts, the length of the stair tread boards is adapted to the interval between two sides of the inner wall of the stair support frame, one end of the connecting shafts is fixedly connected with a connecting lug, one side of the connecting lug far away from the connecting shaft rotates together and is connected with a link lever, the bottom of one side of the stair support frame far away from the link lever is provided with an adjusting component, and the adjusting component drives the stair tread boards to turn over and fix angles by adjusting the rotation of the bottommost connecting shaft.

By the preferred in above-mentioned arbitrary scheme, the direction through-hole has all been seted up at the middle part in mount four corners, four the equal fixedly connected with location retaining ring in both ends of direction through-hole, four the equal sliding connection in both sides of direction through-hole inner wall has the guide block, the one end fixedly connected with flexible bracing piece of guide block, the inner wall sliding connection of flexible bracing piece and location retaining ring, the size of location retaining ring inner wall is less than the size of guide block.

The technical effect achieved by adopting the scheme is as follows: the telescopic support rod stretches out to be convenient to erect on the building laminate, and the guide block can be prevented from being separated from the guide through hole through the positioning check ring.

By the above-mentioned optional scheme preferred, the length sum of guide block and flexible bracing piece and the length looks adaptation of direction through-hole inner wall, guide block and the inner wall interference fit of direction through-hole, a plurality of fixed through-holes have been seted up to the top surface of flexible bracing piece.

The technical effect achieved by adopting the scheme is as follows: the interference fit is convenient for adjust the extension length of flexible bracing piece, prevents its random slip moreover, and through a plurality of fixed through-holes convenient to use bolts and building ground are fixed.

By the preferred of above-mentioned arbitrary scheme, adjusting part includes fixed connection in the transmission worm wheel of bottommost connecting axle one end, adjusting part is still including rotating the transmission worm of connecting in stair support frame bottom one side, the top of transmission worm runs through the top surface of going out the stair support frame, the one end fixedly connected with hand wheel that the transmission worm runs through the top surface of going out the stair support frame, transmission worm and transmission worm wheel meshing are connected.

The technical effect achieved by adopting the scheme is as follows: the transmission worm can be driven to rotate through the hand wheel to drive the transmission worm wheel to rotate, and the bottommost connecting shaft can be driven to rotate so as to adjust the connecting shaft to rotate, and meanwhile, the transmission worm can lock the transmission worm wheel so as to fix the angle.

By the preferred of arbitrary scheme, the edge of stair support frame top both sides all fixedly connected with stair guardrail, the bottom fixedly connected with protection layer board of mount.

The technical effect achieved by adopting the scheme is as follows: the stair guardrail is convenient for climb up and down, and simultaneously the protection supporting plate prevents the materials from falling down.

By any of the above schemes, preferably, the top surface of the stair tread is fixedly connected with an anti-slip pad.

The technical effect achieved by adopting the scheme is as follows: the friction force of the stair tread can be improved through the anti-slip pad, the stability of up-and-down walking is improved, and the safety is improved.

Compared with the prior art, the utility model has the following advantages and beneficial effects:

this a stair for assembled construction drives back through adjusting part connecting axle that bottom drives simultaneously through engaging lug and gangbar and drives a plurality of connecting axles and rotate to drive all stair flier flip angle, when needs personnel about, rotate the angle parallel with the ground with the stair flier, be convenient for personnel about, when needs material dolly about, rotate the angle parallel with the stair support frame with the stair flier, make all stair fliers concatenation end to end form inclined ramp, so that the dolly about, improved the practicality.

Drawings

FIG. 1 is a schematic view of a first view of the present utility model;

FIG. 2 is a schematic diagram of a second view of the present utility model;

FIG. 3 is a schematic view of the structure of the stair tread of the present utility model when laid flat;

fig. 4 is a schematic structural diagram of the present utility model when installed.

In the figure: the novel stair climbing device comprises a fixing frame 1, a stair supporting frame 2, a connecting shaft 3, a stair tread plate 4, a hand wheel 5, a connecting lug 6, a 7-linkage rod 8, a positioning check ring 9, a telescopic supporting rod 10, a stair guardrail 11, a protection supporting plate 12, a transmission worm wheel 13, a transmission worm, a guide through hole 14 and a guide block 15.

Detailed Description

The present utility model will be further described with reference to the accompanying drawings, but the scope of the present utility model is not limited to the following.

Embodiment one: as shown in fig. 1 to 4, a stair for assembled building construction, it includes mount 1, the middle part slant fixedly connected with stair support frame 2 of mount 1 inner wall, the bottom edge of stair support frame 2 inner wall rotates and is connected with a plurality of connecting axle 3, the equal fixedly connected with stair tread 4 in the middle part of a plurality of connecting axle 3, the interval looks adaptation between the width of stair tread 4 and a plurality of connecting axle 3, the length of stair tread 4 and the interval looks adaptation between the both sides face of stair support frame 2 inner wall, the one end fixedly connected with engaging lug 6 of a plurality of connecting axle 3, the one side that a plurality of engaging lug 6 kept away from connecting axle 3 rotates jointly and is connected with gangbar 7, the bottom that a side was kept away from to the gangbar 7 of stair support frame 2 is provided with adjusting part, adjusting part rotates through adjusting one connecting axle 3 of bottommost and drives stair tread 4 upset and fixed angle.

As an alternative technical scheme of the utility model, the middle parts of four corners of the fixing frame 1 are respectively provided with the guide through holes 14, two ends of each of the four guide through holes 14 are respectively fixedly connected with the positioning check ring 8, two sides of the inner walls of each of the four guide through holes 14 are respectively and slidably connected with the guide blocks 15, one end of each guide block 15 is fixedly connected with the telescopic support rod 9, the telescopic support rod 9 is slidably connected with the inner walls of the positioning check rings 8, the size of the inner walls of the positioning check rings 8 is smaller than that of the guide blocks 15, the telescopic support rods 9 extend out of the positioning check rings to be conveniently erected on a building laminate, and the guide blocks 15 can be prevented from being separated from the guide through the positioning check rings 8.

As an alternative technical scheme of the utility model, the sum of the lengths of the guide block 15 and the telescopic support rod 9 is matched with the length of the inner wall of the guide through hole 14, the guide block 15 is in interference fit with the inner wall of the guide through hole 14, a plurality of fixing through holes are formed in the top surface of the telescopic support rod 9, the interference fit is convenient for adjusting the extension length of the telescopic support rod 9, the telescopic support rod is prevented from sliding randomly, and the telescopic support rod is convenient to fix with the building ground through the plurality of fixing through holes by using bolts.

As an alternative technical scheme of the utility model, the adjusting component comprises a transmission worm wheel 12 fixedly connected to one end of the bottommost connecting shaft 3, the adjusting component further comprises a transmission worm 13 rotatably connected to one side of the bottom of the stair support frame 2, the top of the transmission worm 13 penetrates through the top surface of the stair support frame, one end of the transmission worm 13 penetrating through the top surface of the stair support frame is fixedly connected with a hand wheel 5, the transmission worm 13 is meshed with the transmission worm wheel 12, the transmission worm wheel 12 can be driven to rotate by rotating the transmission worm 13 through the hand wheel 5, the bottommost connecting shaft 3 can be driven to rotate so as to facilitate the rotation of the adjusting connecting shaft 3, and meanwhile, the transmission worm 13 can lock the transmission worm wheel 12 so as to facilitate the fixation of angles.

As an alternative technical scheme of the utility model, the edges of the two sides of the top of the stair support frame 2 are fixedly connected with stair guardrails 10, the bottom of the fixing frame 1 is fixedly connected with a protection supporting plate 11, the stair guardrails 10 are convenient to climb up and down, and meanwhile, the protection supporting plate 11 prevents materials from falling down.

As an alternative technical scheme of the utility model, the top surface of the stair tread plate 4 is fixedly connected with the anti-slip pad, and the friction force of the stair tread plate 4 can be improved through the anti-slip pad, so that the stability of up-and-down walking is improved, and the safety is improved.

A stair for assembled building construction, theory of operation is as follows:

1) Firstly, erecting a fixing frame 1 between an upper building and a lower building through a telescopic supporting rod 9;

2) Then when people need to go up and down, the stair tread 4 is rotated to an angle parallel to the ground, so that the people can go up and down conveniently;

3) When the material trolley is required to go up and down, the stair tread plates 4 are rotated to an angle parallel to the stair support frames 2, so that all the stair tread plates 4 are spliced end to form a slope ramp, and the trolley can go up and down conveniently.

To sum up, this a stair for assembled building construction drives back through adjusting part connecting axle 3 that is bottommost, can drive a plurality of connecting axles 3 simultaneously through engaging lug 6 and gangbar 7 and rotate to drive all stair flier 4 flip angle, when needs personnel about, rotate stair flier 4 to the angle parallel with ground, be convenient for personnel about, when needs material dolly about, rotate stair flier 4 to the angle parallel with stair support frame 2, make all stair flier 4 head and tail concatenation form inclined ramp way, about in order to the dolly, the practicality has been improved.

Although embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives, and variations may be made in the above embodiments by those skilled in the art without departing from the spirit and principles of the utility model. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A stair for assembled building construction, its characterized in that: including mount (1), the middle part slant fixedly connected with stair support frame (2) of mount (1) inner wall, the bottom edge of stair support frame (2) inner wall rotates and is connected with a plurality of connecting axle (3), a plurality of equal fixedly connected with stair tread (4) in middle part of connecting axle (3), the interval looks adaptation between width and a plurality of connecting axle (3) of stair tread (4), the interval looks adaptation between the length of stair tread (4) and stair support frame (2) inner wall both sides face, a plurality of the one end fixedly connected with engaging lug (6) of connecting axle (3), a plurality of the joint rotation is connected with gangbar (7) in one side that connecting lug (6) kept away from connecting axle (3), the bottom that one side was kept away from to gangbar (7) is provided with adjusting part to stair support frame (2), adjusting part is rotated through adjusting a connecting axle (3) of bottommost and is driven stair tread (4) upset and fixed angle.

2. A stairway for use in prefabricated building construction according to claim 1, characterised in that: guide through holes (14) are formed in the middle of four corners of the fixing frame (1), the four guide through holes (14) are fixedly connected with positioning check rings (8) at two ends, the four guide through holes (14) are fixedly connected with guide blocks (15) at two sides of the inner wall of each guide through hole, one end of each guide block (15) is fixedly connected with a telescopic support rod (9), the telescopic support rods (9) are in sliding connection with the inner wall of each positioning check ring (8), and the size of the inner wall of each positioning check ring (8) is smaller than that of each guide block (15).

3. A stairway for use in fabricated building construction according to claim 2, characterised in that: the length of the sum of the length of the guide block (15) and the length of the telescopic supporting rod (9) are matched with the length of the inner wall of the guide through hole (14), the guide block (15) is in interference fit with the inner wall of the guide through hole (14), and a plurality of fixing through holes are formed in the top surface of the telescopic supporting rod (9).

4. A stairway for use in fabricated building construction according to claim 3, characterised in that: the adjusting component comprises a transmission worm wheel (12) fixedly connected to one end of a bottommost connecting shaft (3), the adjusting component further comprises a transmission worm (13) rotatably connected to one side of the bottom of the stair support frame (2), the top of the transmission worm (13) penetrates through the top surface of the stair support frame, one end of the transmission worm (13) penetrating through the top surface of the stair support frame is fixedly connected with a hand wheel (5), and the transmission worm (13) is meshed with the transmission worm wheel (12).

5. A stairway for use in prefabricated building construction according to claim 4, wherein: the stair guardrail (10) is fixedly connected to edges of two sides of the top of the stair support frame (2), and the protection supporting plate (11) is fixedly connected to the bottom of the fixing frame (1).

6. A stairway for use in prefabricated building construction according to claim 5, wherein: the top surface of the stair tread (4) is fixedly connected with an anti-slip pad.