CN115262881B

CN115262881B - Modular detachable stair

Info

Publication number: CN115262881B
Application number: CN202210986052.5A
Authority: CN
Inventors: 庄秀清; 蔡根在; 刘宝良; 王建聪; 刘朋; 黄圳宁
Original assignee: No3 Engineering Co ltd Of China Railway 22th Bureau Group
Current assignee: No3 Engineering Co ltd Of China Railway 22th Bureau Group
Priority date: 2022-08-17
Filing date: 2022-08-17
Publication date: 2023-05-26
Anticipated expiration: 2042-08-17
Also published as: CN115262881A

Abstract

The invention relates to the field of dismountable stairs, in particular to a modularized dismountable stair, which comprises two groups of installation components, wherein a stair bearing component is installed between the installation components, the stair bearing component comprises two groups of connecting platforms connected with the installation components, a stair sloping plate is connected between the connecting platforms, a plurality of groups of strip-shaped through holes are uniformly formed in the sloping surface of the stair sloping plate, and adjusting components are installed at the strip-shaped through holes of the stair sloping plate; the adjusting component comprises an L-shaped mounting plate fixedly mounted at the bottom end of the stair sloping plate. In the practical use process, the whole stair is disassembled in a modularization way, so that the convenience of the installation process is effectively improved, the rapid installation is realized, the stair can be effectively disassembled, and the overhaul is convenient; the stair can be effectively changed in form, actual construction and normal use requirements are facilitated, the height of the steps can be adjusted, and the safety of the stair in the use process is guaranteed.

Description

Modular detachable stair

Technical Field

The invention relates to the technical field of detachable stairs, in particular to a modularized detachable stair.

Background

The traditional construction method of the concrete cast-in-situ stairway is old, the construction process is complex, the construction period is long, and the common applicability is not realized, so that the construction cost of the building is increased. At present, normal stair construction is generally carried out by binding steel bars after a template is erected on site, pouring concrete, continuously watering and curing for 14 days, so that the concrete can reach the strength standard, then manually chiseling the surface of the stair, pasting ceramic tiles and installing guardrails, and the whole process is labor-consuming and has serious sewage dust noise.

The existing engineering construction process is also provided with prefabricated stairways, but the prefabricated stairways are usually integrated, the construction difficulty rises directly due to large mass in the actual installation and use process, the prefabricated stairways are in the existing stairway form, the material transportation in the building construction process is not facilitated, the actual use effect is affected, and therefore the modularized detachable stairway is provided.

Disclosure of Invention

The invention aims to solve the defects that the prefabricated stairway is usually an integral part in the prior art, the construction difficulty rises directly due to large mass in the actual installation and use process, the prefabricated stairway is in the existing stairway form, the material transportation in the building construction process is not facilitated, and the actual use effect is affected, and provides the modularized detachable stairway.

In order to achieve the above purpose, the present invention adopts the following technical scheme:

the utility model provides a modularization detachable stair, includes two sets of installation component, install the stair and bear the weight of the subassembly between the installation component, the stair bear the weight of the subassembly including with two sets of connection platform that installation component is connected with, be connected with the stair swash plate between the connection platform, evenly offered a plurality of groups bar through-hole on the inclined plane of stair swash plate, the stair swash plate all installs adjusting part in bar through-hole department;

the adjusting component comprises an L-shaped mounting plate fixedly mounted at the bottom end of the stair sloping plate, a motor and a connecting plate are respectively arranged at two sides of the top end of a horizontal support arm of the L-shaped mounting plate, an output shaft of the motor is consistent with the length direction of the L-shaped mounting plate, one end of the output shaft of the motor is coaxially connected with a bidirectional screw rod connected with the side face of the connecting plate in a rotating mode, two groups of moving blocks are arranged on the outer side of the bidirectional screw rod in a symmetrical threaded sleeve mode, the output shaft of each moving block extends to the top through a strip-shaped through hole in the stair sloping plate in a vertical mode, and a pedal is mounted at the top end of the output shaft of each moving block.

Through adopting above-mentioned technical scheme, through pasting the installation component of both sides at the wall body in the in-service use to make the installation component can be comparatively stable carry out fixed laminating with the wall body in the installation, then through inserting stair bearing assembly from the gap department between two sets of installation components, make the effective concatenation between stair bearing assembly and the installation component, realized the modularization installation of whole stair, provide convenience for the in-service installation;

in the actual use process, the motor can be started as required, so that the bidirectional screw rod rotates, and then the push rod motor and the pedal are driven to horizontally displace, thereby realizing the effective conversion between the stair form and the inclined plane form on the stair surface, and providing convenience for the movement of part of wheel transport assemblies in the building construction process;

the push rod motor can be started when the stair is in actual use, so that the height of the pedal can be adjusted, the height of the steps can be adjusted conveniently, and the safety of the stair in the actual use process is ensured.

As a preferable technical scheme of the application, an inserting cylinder which is inserted in the outer side of the output shaft of the moving block is fixedly arranged at the bottom end of the pedal.

Through adopting above-mentioned technical scheme, conveniently carry out the change of footboard as required, satisfy different actual demand, and can effectively improve the convenience of whole stair in the installation, can realize carrying out different customization to different users, conveniently promote the service effect of manufacturer to the user.

As a preferred technical scheme of this application, one side fixed mounting of two-way lead screw has the guide block, just vertical support arm one side of L shape mounting panel is seted up along length direction and is used for the gliding bar spout of guide block is under the effect of moment of torsion and guide block.

Through adopting above-mentioned technical scheme for the movable block drives push rod motor and footboard and removes, thereby realizes the step form of stair and changes, makes things convenient for the use of actual construction.

As a preferred technical scheme of this application, the horizontal support arm top of L shape mounting panel is equipped with the steady block, just set up on the steady block and be used for two-way lead screw wears to establish the hole of erect.

By adopting the technical scheme, the stability of the bidirectional screw rod in the actual use process is ensured.

As a preferable technical scheme of the stair tread, the width of the pedal is larger than the projection width of the strip-shaped through hole on the stair tread on the horizontal plane.

Through adopting above-mentioned technical scheme, guarantee that the footboard can cover the bar through-hole on the stair swash plate completely when in-service use, guarantee the security of use, avoid the user to step on the in-process and block, further promote the security of whole stair in-service use.

As a preferable technical scheme of this application, two sets of bolt seats are all fixed mounting in the back upper and lower portion of stair bearing assembly, all wear to be equipped with in the bolt seat and peg graft with both sides installation component.

Through adopting above-mentioned technical scheme, conveniently realize the effective concatenation between installation component and the stair bearing component, further realize the modularization installation of whole stair, can also make things convenient for subsequent dismantlement processing effectively, for actual maintenance process provides convenience.

As a preferred technical scheme of this application, the installation component include with the fixed bolster that stair bears the subassembly grafting, pour the hole has been seted up to the top surface of fixed bolster, and its side lower part evenly seted up a plurality of groups with pour the hole that the hole intercommunication set up, the fixed bolster all installs the pouring pipe in pouring hole department.

Through adopting above-mentioned technical scheme to effectively make things convenient for the convenience of whole installation component in the wall body installation, realize grafting installation, and promote the fastness of installation through the mode of pouring, ensured the convenience of whole stair installation when guaranteeing modularization installation concatenation, reduce constructor's resistance encountered in actual construction process, promote the installation rate, guarantee the effective intensity after the installation.

As a preferred technical scheme of this application, a plurality of groups of railing insertion holes that are used for railing to insert have evenly been seted up to fixing bracket's inclined plane top.

Through adopting above-mentioned technical scheme, make things convenient for the installation of railing, further promote the stability of stair in the in-service use, and through the mode of pegging graft, can realize orderly maintenance and the installation of railing effectively, provide effective assurance for the safe handling of stair.

The beneficial effects of the invention are as follows:

1. in the practical use process, the whole stair is disassembled in a modularization way, so that the convenience of the installation process is effectively improved, the rapid installation is realized, the whole stair can be effectively disassembled, and the overhaul is convenient;

2. the form of the stairs can be effectively changed, and the requirements of actual construction and normal use are facilitated;

3. the height of the steps can be adjusted, and the safety of the stair in the use process is ensured.

Drawings

FIG. 1 is a schematic view of a modular detachable stairway according to the invention;

FIG. 2 is a schematic view of a modular and detachable stair load bearing assembly according to the present invention;

FIG. 3 is a schematic view of a modular detachable stair adjustment assembly according to the present disclosure;

FIG. 4 is an enlarged schematic view of the structure of FIG. 3A;

FIG. 5 is a schematic view of the back structure of a modular detachable stairway according to the invention;

fig. 6 is a schematic structural view of a modular detachable stair mounting assembly according to the present invention.

In the figure: 1. a mounting assembly; 11. a fixing bracket; 12. pouring holes; 13. a pouring tube; 14. the railing is inserted with a hole; 2. a stair bearing assembly; 21. a connecting platform; 22. an adjustment assembly; 221. an L-shaped mounting plate; 222. a motor; 223. a pedal; 224. a two-way screw rod; 225. a stabilizing block; 226. a connecting plate; 227. a moving block; 228. a push rod motor; 229. a guide block; 23. stair sloping plate; 3. a latch seat; 4. a latch rod.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.

Referring to fig. 1-2, a modularized detachable stair comprises two groups of installation components 1, wherein a stair bearing component 2 is installed between the installation components 1, the stair bearing component 2 comprises two groups of connecting platforms 21 connected with the installation components 1, a stair sloping plate 23 is connected between the connecting platforms 21, a plurality of groups of strip-shaped through holes are uniformly formed in the inclined surface of the stair sloping plate 23, and adjusting components 22 are installed at the strip-shaped through holes of the stair sloping plate 23.

Referring to fig. 3-4, the adjusting assembly 22 comprises an L-shaped mounting plate 221 fixedly mounted at the bottom end of the stair sloping plate 23, a motor 222 and a connecting plate 226 are respectively arranged at two sides of the top end of a horizontal support arm of the L-shaped mounting plate 221, the output shaft of the motor 222 is consistent with the length direction of the L-shaped mounting plate 221, a bidirectional screw rod 224 with one end rotationally connected with the side surface of the connecting plate 226 is coaxially connected with the output shaft of the motor 222, two groups of moving blocks 227 are symmetrically sleeved on the outer side of the bidirectional screw rod 224 in a threaded manner, the output shaft of the moving blocks 227 extends to the top vertically upwards and penetrates through a strip-shaped through hole on the stair sloping plate 23, a pedal 223 is mounted at the top end of the output shaft of the moving blocks 227, the width of the pedal 223 is larger than the projection width of the strip-shaped through hole on the stair sloping plate 23 on the horizontal plane, the pedal 223 can be completely covered on the strip-shaped through hole on the stair sloping plate 23 in actual use, safety of the stair sloping plate 23 in the use process is guaranteed, the user is prevented from being blocked in the stepping process, and the whole stair in the process is further improved. The bottom fixed mounting of footboard 223 has the section of thick bamboo of inserting of grafting in the movable block 227 output shaft outside, conveniently carries out the change of footboard 223 as required, satisfies different actual demand, and can effectively improve the convenience of whole stair in the installation, can realize carrying out different customization to different users, conveniently promotes the service effect of manufacturer to the user.

One side of the bidirectional screw rod 224 is fixedly provided with a guide block 229, one side of a vertical support arm of the L-shaped mounting plate 221 is provided with a strip-shaped chute used for sliding the guide block 229 along the length direction, and under the action of torque and the guide block 229, the moving block 227 drives the push rod motor 228 and the pedal 223 to move, so that the stair step form transformation is realized, and the use of practical construction is convenient.

The top end of the horizontal support arm of the L-shaped mounting plate 221 is provided with a stabilizing block 225, and the stabilizing block 225 is provided with a erection hole for the bi-directional screw rod 224 to penetrate through, so that the stability of the bi-directional screw rod 224 in the actual use process is ensured.

Referring to fig. 5, two sets of bolt seats 3 are fixedly installed on the upper and lower parts of the back of the stair bearing component 2, bolt rods 4 which are inserted with the two side installation components 1 are respectively arranged in the bolt seats 3 in a penetrating manner, so that effective splicing between the installation components 1 and the stair bearing component 2 is conveniently realized, modular installation of the whole stair is further realized, subsequent disassembly and treatment can be effectively facilitated, and convenience is brought to the actual overhaul process.

Embodiment II,

Referring to fig. 6, the installation component 1 includes the fixed bracket 11 of pegging graft with the stair bearing component 2, pouring hole 12 has been seted up to the top surface of fixed bracket 11, and the pouring hole that a plurality of groups and pouring hole 12 intercommunication set up has evenly been seted up to its side lower part, the pouring pipe 13 is all installed to fixed bracket 11 in pouring hole department, thereby the convenience of whole installation component 1 in the wall body installation of effective convenience, realize pegging graft the installation, and promote the fastness of installation through the mode of pouring, guaranteed the convenience of whole stair installation when guaranteeing the modularization installation concatenation, reduce constructor resistance encountered in actual construction process, promote the installation rate, guarantee the effective intensity after the installation.

The inclined plane top of fixed bolster 11 has evenly offered a plurality of groups and has been used for railing to insert and establish hole 14, makes things convenient for the installation of railing, further promotes the stability of stair in the in-service use, and through the mode of pegging graft, can realize orderly maintenance and the installation of railing effectively, provides effective assurance for the safe handling of stair.

The working flow is as follows: in the practical use process, the mounting assemblies 1 on two sides are attached to the wall body, the pouring pipe 13 is inserted into the insertion holes formed in advance in the wall surface, then concrete is poured from the pouring holes 12, so that the concrete is poured into the pouring pipe 13 gradually and hardened, the mounting assemblies 1 can be stably fixed and attached to the wall body in the mounting process, then the stair bearing assemblies 2 are inserted from gaps between the two groups of mounting assemblies 1, and the stair bearing assemblies 2 and the mounting assemblies 1 are effectively spliced through the arrangement of the latch seats 3 and the latch rods 4 on the back, so that the modularized mounting of the whole stair is realized, and convenience is provided for practical mounting;

in the actual use process, the motor 222 can be started as required, so that the bidirectional screw rod 224 rotates, the push rod motor 228 and the pedals 223 are driven to horizontally displace under the action of the torque and the guide blocks 229, when the two groups of pedals 223 horizontally move and approach each other, the upper surface of the whole stair is stepped, the actual walking is convenient, when the two groups of pedals 223 horizontally move and are far away from each other, the upper surface of the whole stair is exposed to be a flat inclined surface, and the sliding of objects is convenient, so that the effective conversion between the stepped form and the inclined surface form on the stair surface is realized;

the push rod motor 228 can be started in actual use, so that the height of the pedal 223 can be adjusted, the height of the steps can be conveniently adjusted, and the safety of the stair in the actual use process is ensured.

In the practical use process, the whole stair is disassembled in a modularization way, so that the convenience of the installation process is effectively improved, the rapid installation is realized, the whole stair can be effectively disassembled, and the overhaul is convenient; the stair can be effectively changed in form, actual construction and normal use requirements are facilitated, the height of the steps can be adjusted, and the safety of the stair in the use process is guaranteed.

Finally, it should be noted that: in the description of the present invention, it should be noted that the azimuth or positional relationship indicated by the terms "vertical", "upper", "lower", "horizontal", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or element referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.

The foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a modularization detachable stair, includes two sets of installation component (1), its characterized in that, install stair bearing component (2) between installation component (1), stair bearing component (2) include with two sets of connecting platform (21) that installation component (1) are connected, be connected with stair swash plate (23) between connecting platform (21), a plurality of groups bar through-hole have evenly been seted up on the inclined plane of stair swash plate (23), stair swash plate (23) all install adjusting part (22) in bar through-hole department;

the adjusting component (22) comprises an L-shaped mounting plate (221) fixedly mounted at the bottom end of the stair sloping plate (23), a motor (222) and a connecting plate (226) are respectively arranged at two sides of the top end of a horizontal support arm of the L-shaped mounting plate (221), an output shaft of the motor (222) is consistent with the length direction of the L-shaped mounting plate (221), a bidirectional screw rod (224) with one end connected with the side surface of the connecting plate (226) in a rotating mode is coaxially connected with the output shaft of the motor (222), two groups of moving blocks (227) are symmetrically sleeved on the outer side of the bidirectional screw rod (224) through threads, the output shaft of the moving blocks (227) vertically upwards extends to the top through holes penetrating through the bars on the stair sloping plate (23), and a pedal (223) is mounted at the top end of the output shaft of the moving blocks (227).

2. A modular and detachable stairway according to claim 1, characterised in that the bottom end of the tread (223) is fixedly fitted with an insertion barrel inserted outside the output shaft of the moving block (227).

3. A modular detachable stairway according to claim 1, characterised in that a guide block (229) is fixedly mounted on one side of the bi-directional screw (224), and a bar-shaped chute for sliding the guide block (229) is provided on one side of the vertical arm of the L-shaped mounting plate (221) in the length direction.

4. The modularized detachable stair according to claim 1, wherein a stabilizing block (225) is arranged at the top end of the horizontal support arm of the L-shaped mounting plate (221), and a mounting hole for the bi-directional screw rod (224) to penetrate is formed in the stabilizing block (225).

5. A modular detachable stairway according to claim 1, characterised in that the width of the tread (223) is greater than the projected width of the bar-shaped through-hole in the stairway sloping plate (23) on the horizontal plane.

6. A modular and detachable stairway according to claim 1, characterised in that two sets of latch seats (3) are fixedly mounted on the upper and lower parts of the back of the stairway carrying assembly (2), and the latch rods (4) inserted with the two side mounting assemblies (1) are arranged in the latch seats (3) in a penetrating manner.

7. A modular detachable stairway according to claim 1, characterised in that the mounting assembly (1) comprises a fixing bracket (11) which is inserted into the stairway carrying assembly (2), the top surface of the fixing bracket (11) is provided with pouring holes (12), the lower parts of the side surfaces of the fixing bracket are uniformly provided with a plurality of groups of pouring holes which are communicated with the pouring holes (12), and the fixing bracket (11) is provided with pouring pipes (13) at the pouring holes.

8. A modular detachable stairway according to claim 7, characterised in that a plurality of sets of balustrade insertion holes (14) for balustrade insertion are evenly provided above the inclined plane of the fixing bracket (11).