CN115262881A

CN115262881A - Modularization detachable stair

Info

Publication number: CN115262881A
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: 2022-11-01
Anticipated expiration: 2042-08-17
Also published as: CN115262881B

Abstract

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

Description

Modularization detachable stair

Technical Field

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

Background

The traditional concrete cast-in-place stair construction method is old, the construction process is complicated, the construction period is long, and the general applicability is not available, so that the construction cost of the building is increased. At present, normal stair construction generally includes that reinforcing steel bars are bound after templates are erected on site, concrete is poured, watering and maintaining are carried out continuously for 14 days, the concrete can reach the strength standard, then manual work is carried out to chiseling and roughening the surface of a stair, tiles are pasted and a guardrail is installed, the whole process is labor-consuming, and sewage dust noise is serious.

Although the existing engineering construction process also has prefabricated staircases, the prefabricated staircases are usually integrated, the construction difficulty rises linearly due to large mass in the actual installation and use process, and the prefabricated staircases are in the existing stair form, so that the transportation of materials in the building construction process is not facilitated, the actual use effect is influenced, and therefore the modularized detachable staircases are provided.

Disclosure of Invention

The invention aims to solve the problems that the prefabricated staircase is usually an integrated part, the construction difficulty rises linearly in the actual installation and use process due to large mass, and the prefabricated staircase is in the existing staircase form, is not beneficial to material transportation in the building construction process and influences the actual use effect in the prior art, and provides a modularized detachable staircase.

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

a modularized detachable stair comprises two groups of installation components, 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 inclined plate is connected between the connecting platforms, a plurality of groups of strip-shaped through holes are uniformly formed in the inclined plane of the stair inclined plate, and adjusting components are installed at the bottom end of each strip-shaped through hole at the bottom end of each stair inclined plate;

the adjusting part comprises a fixed mounting plate which is arranged at the bottom end of the stair sloping plate, a motor and a connecting plate are respectively arranged on 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 lead screw which is rotatably connected with the side surface of the connecting plate, two sets of moving blocks are sleeved on the outer side of the bidirectional lead screw in a symmetrical mode, the output shaft of the moving blocks vertically upwards penetrates through the strip-shaped through holes in the stair sloping plate and extends to the top, and a pedal is mounted at the top end of the output shaft of the moving blocks.

By adopting the technical scheme, the mounting components on the two sides are attached to the wall body in the actual use process, the mounting components can be stably and fixedly attached to the wall body in the mounting process, and then the stair bearing component is inserted into the gap between the two sets of mounting components, so that the stair bearing component and the mounting components are effectively spliced, the modular mounting of the whole stair is realized, and convenience is brought to actual mounting;

in the actual use process, the motor can be started according to needs, so that the bidirectional screw rod rotates to drive the push rod motor and the pedal to horizontally displace, the effective conversion between the ladder form and the inclined plane form on the stair surface is realized, and the movement of part of wheel transportation assemblies is facilitated in the building construction process;

still can be through starting the push rod motor when in actual use for the height of footboard obtains adjusting, thereby conveniently adjusts the step height, guarantees the security of stair in the in-service use.

As a preferred technical scheme of the application, the bottom end of the pedal is fixedly provided with an inserting barrel which is inserted and connected to the outer side of the output shaft of the moving block.

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

As an optimal 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 an optimal technical scheme of this application, the horizontal support arm top of L shape mounting panel is equipped with the stabilizing block, just offer on the stabilizing block and be used for the hole of erectting that two-way lead screw wore to establish.

Through adopting above-mentioned technical scheme, guarantee the stability of two-way lead screw in the in-service use.

As a preferred technical scheme of this application, the width of footboard is greater than the projection width on the horizontal plane of the last bar through-hole of stair swash plate.

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 and step on the in-process and block, further promote the security of whole stair in the in-service use.

As an optimal technical scheme of this application, equal fixed mounting in lower part has two sets of bolt seats on the back of stair carrier assembly, all wear to be equipped with the bolt pole of pegging graft with both sides installation component in the bolt seat.

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

As an preferred technical scheme of this application, the installation component include with the mounting bracket that stair carrier assembly pegged graft, the hole of pouring has been seted up to mounting bracket's top surface, and its side lower part evenly seted up a plurality of groups with pour the hole of pouring that the hole intercommunication set up, the mounting bracket all installs the pouring pipe in the hole department of pouring.

Through adopting above-mentioned technical scheme to make things convenient for the convenience of whole installation component in the wall body installation effectively, realize the installation of pegging graft, and promote the fastness of installation through the mode of pouring, ensured the convenience of whole stair installation when guaranteeing the modularization installation concatenation, reduce the resistance that constructor meets with in actual work progress, promote installation rate, guarantee the effective strength after the installation.

As a preferred technical scheme of this application, a plurality of groups of railing inserting holes for the railing inserting are evenly arranged above the inclined plane of the fixing bracket.

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 the maintenance and the installation of orderly railing effectively, provide effective assurance for the safe handling of stair.

The invention has the beneficial effects that:

1. in the actual use process, the whole stair is disassembled in a modularized mode, so that the convenience in the installation process is effectively improved, the rapid installation is realized, the disassembly can be effectively realized, 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 met;

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

Drawings

Fig. 1 is a schematic front structural view of a modular and detachable stairway according to the present invention;

FIG. 2 is a schematic structural view of a modular demountable stair carrier assembly according to the present invention;

FIG. 3 is a schematic view of an adjustment assembly of a modular collapsible stairway according to the present invention;

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

fig. 5 is a schematic view of a rear structure of a modular detachable stairway according to the present invention;

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

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

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-2, a modularization detachable stair includes two sets of installation component 1, installs stair carrier assembly 2 between the installation component 1, and stair carrier assembly 2 includes two sets of connection platforms 21 of being connected with installation component 1, is connected with stair swash plate 23 between the connection platforms 21, has evenly seted up a plurality of groups of bar through-holes on the inclined plane of stair swash plate 23, and adjusting part 22 is all installed at the bottom of bar through-hole in the bottom of stair swash plate 23.

Referring to fig. 3-4, the adjusting assembly 22 includes an L-shaped mounting plate 221 fixedly mounted at the bottom end of the stair sloping plate 23, two sides of the top end of a horizontal arm of the L-shaped mounting plate 221 are respectively provided with a motor 222 and a connecting plate 226, an output shaft of the motor 222 is identical to the length direction of the L-shaped mounting plate 221, an output shaft of the motor 222 is coaxially connected with a bidirectional screw rod 224, one end of the bidirectional screw rod is rotatably connected with the side surface of the connecting plate 226, two sets of moving blocks 227 are sleeved on the outer side of the bidirectional screw rod 224 in a symmetrical manner, the output shaft of the moving blocks 227 vertically faces upward and extends to the top 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 greater than the projection width of the strip-shaped through hole on the stair sloping plate 23 on the horizontal plane, the pedal 223 can completely cover the strip-shaped through hole on the stair sloping plate 23 during actual use, the safety during use is ensured, the use, the blocking of a user during the stepping on the step-over process is avoided, and the safety of the whole stair is further improved in the actual use process. The bottom fixed mounting of footboard 223 has the section of thick bamboo of establishing of inserting of pegging graft in the movable block 227 output shaft outside, and the change of footboard 223 is conveniently carried out as required, satisfies different actual demands, and can effectively improve the convenience of whole stair in the installation, can realize carrying out different customizations to different users, conveniently promotes the service effect of firm to the user.

One side fixed mounting of two-way lead screw 224 has guide block 229, and the vertical support arm one side of L shape mounting panel 221 offers along length direction and is used for the gliding bar spout of guide block 229 for under the effect of moment of torsion and guide block 229, the movable block 227 drives push rod motor 228 and footboard 223 and removes, thereby realizes the step form transformation of stair, makes things convenient for the use of actual construction.

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 an erection hole for the two-way screw rod 224 to penetrate, so that the stability of the two-way screw rod 224 in the actual use process is ensured.

Referring to fig. 5, the equal fixed mounting in lower part has two sets of bolt seats 3 on the back of stair carrier assembly 2, all wears to be equipped with the bolt pole 4 of pegging graft with both sides installation component 1 in the bolt seat 3, conveniently realizes the effective concatenation between installation component 1 and the stair carrier assembly 2, further realizes the modularization installation of whole stair, can also make things convenient for subsequent dismantlement processing effectively, facilitates for the actual maintenance process.

Example II,

Refer to fig. 6, installation component 1 includes the fixed bolster 11 of pegging graft with stair carrier assembly 2, the hole 12 of pouring has been seted up to the top surface of fixed bolster 11, and its side lower part evenly sets up the hole of pouring that a plurality of groups and 12 intercommunication of pouring set up, fixed bolster 11 all installs pouring pipe 13 pouring pipe in the hole department of pouring, thereby make things convenient for the convenience of whole installation component 1 in the wall body installation effectively, realize the installation of pegging graft, and promote the fastness of installation through the mode of pouring, the convenience of whole stair installation has been ensured when guaranteeing the modularization installation concatenation, reduce the resistance that constructor encountered in actual work progress, promote installation rate, guarantee the effective strength after the installation.

The inclined plane top of fixing bracket 11 evenly has seted up a plurality of groups and has been used for the railing to insert the railing of establishing and 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 the maintenance and the installation of orderly railing effectively, provides effective assurance for the safe handling of stair.

The working process comprises the following steps: in the actual use process, the mounting assemblies 1 on the two sides are attached to a wall body, the pouring pipe 13 is inserted into an insertion hole which is formed in the wall surface in advance, then concrete is poured from the pouring hole 12, so that the pouring pipe 13 is gradually filled with the concrete and hardened, the mounting assemblies 1 can be stably fixed and attached to the wall body in the mounting process, then the stair bearing assembly 2 is inserted from a gap between the two sets of mounting assemblies 1, and the stair bearing assembly 2 and the mounting assemblies 1 are effectively spliced through the arrangement of the bolt seats 3 and the bolt rods 4 on the back surface, so that the modular mounting of the whole stair is realized, and convenience is brought to actual mounting;

in the actual use process, the motor 222 can be started according to needs, 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 block 229, when the two groups of pedals 223 horizontally move and approach each other, the upper surface of the whole stair is in a step shape, so that actual walking is facilitated, when the two groups of pedals 223 horizontally move and leave each other, a flat inclined surface is exposed on the upper surface of the whole stair, so that sliding of objects is facilitated, and the effective conversion between the step form and the inclined surface form on the stair surface is realized;

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

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

Finally, it should be noted that: in the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience of description and simplification of the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and operate, 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 otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A modularized detachable stair comprises two groups of mounting components (1), and is characterized in that a stair bearing component (2) is mounted between the mounting components (1), the stair bearing component (2) comprises two groups of connecting platforms (21) connected with the mounting components (1), a stair inclined 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 inclined plate (23), and an adjusting component (22) is mounted at the bottom end of each strip-shaped through hole at the bottom end of each stair inclined plate (23);

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 on 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 L-shaped mounting plate (221) in length direction, an output shaft of the motor (222) is coaxially connected with a bidirectional screw rod (224) with one end rotatably connected with the side surface of the connecting plate (226), two groups of moving blocks (227) are sleeved on the outer side of the bidirectional screw rod (224) in a symmetrical threaded manner, an output shaft of each moving block (227) vertically upwards and penetrates through a strip-shaped through hole in the stair sloping plate (23) to extend to the top, and a pedal (223) is mounted at the top end of the output shaft of each moving block (227).

2. The modular detachable stairway as claimed in claim 1, wherein an insertion tube inserted outside the output shaft of the moving block (227) is fixedly mounted at the bottom end of the tread (223).

3. The modular detachable stairway as claimed in claim 1, wherein a guide block (229) is fixedly mounted on one side of the bidirectional screw (224), and a strip-shaped sliding groove for sliding the guide block (229) is formed on one side of a vertical arm of the L-shaped mounting plate (221) along a length direction.

4. The modular demountable stairway according to claim 1, wherein a stabilizing block (225) is provided at a top end of the horizontal arm of the L-shaped mounting plate (221), and the stabilizing block (225) is provided with erection holes for the two-way screw rods (224) to penetrate.

5. A modular demountable staircase according to claim 1, wherein the width of said tread plates (223) is greater than the projected width of the strip-shaped through-holes of the staircase slope plate (23) in the horizontal plane.

6. The modular detachable stairway according to claim 1, wherein two sets of pin seats (3) are fixedly mounted on the upper and lower portions of the back surface of the stairway bearing component (2), and pin rods (4) inserted into the pin seats (3) are inserted into the pin seats (1).

7. The modular detachable stairway according to claim 1, wherein the mounting assembly (1) comprises a fixing bracket (11) which is inserted into the stairway bearing assembly (2), the fixing bracket (11) is provided with a pouring hole (12) on the top surface, and a plurality of groups of pouring holes communicated with the pouring hole (12) are uniformly formed on the lower portion of the side surface of the fixing bracket (11), and the pouring pipes (13) are mounted on the fixing bracket (11) at the pouring holes.

8. The modular detachable stairway according to claim 7, wherein a plurality of sets of railing insertion holes (14) for inserting railways are uniformly formed above the inclined plane of the fixing bracket (11).