CN215520138U - Temporary stair for building construction - Google Patents
Temporary stair for building construction Download PDFInfo
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- CN215520138U CN215520138U CN202121818398.1U CN202121818398U CN215520138U CN 215520138 U CN215520138 U CN 215520138U CN 202121818398 U CN202121818398 U CN 202121818398U CN 215520138 U CN215520138 U CN 215520138U
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Abstract
The utility model discloses a temporary stair for building construction, which comprises a stair body, an upper platform, a lower platform, a plurality of guard rails, a plurality of stand columns and an extension platform, wherein the upper platform is arranged on the stair body; the upper platform is erected on the lower platform through a plurality of upright posts, and the upper platform and the lower platform are respectively detachably connected with the upright posts; the upper platform and the lower platform are both provided with openings, and the opening of the upper platform is opposite to the opening of the lower platform; the stair body is obliquely arranged between the opening of the upper platform and the opening of the lower platform, the downward end of the stair body is detachably connected with the lower platform, and the upward end of the stair body is detachably connected with the upper platform; the protective railings are detachably arranged on the side edge of the stair, the periphery of the opening of the upper platform and the periphery of the opening of the lower platform respectively, and a stair exit and a stair entrance are reserved; the extension platform can be spliced with the lower platform together through a detachable mode according to the size of the stairwell. The utility model has the advantages of ensuring safety and being suitable for stairwells with different sizes.
Description
Technical Field
The utility model relates to the field of building construction tools, in particular to a temporary stair for building construction.
Background
In the current assembly type building construction, the assembly type stair is hoisted usually only after the main structure is completed, the main structure is usually lagged by one layer or even two layers, and due to the lagging of the assembly type stair hoisting, the construction passage for going upstairs is lacked on site, and the potential safety hazard of the adjacent opening of the stairwell exists. Therefore, the common method of construction side is for making simple and easy steel stair or wooden pattern stair, replaces the assembled stair that does not hoist temporarily, acts as interim passageway, and the structure of present construction stair is simple and easy, and stair itself lacks the safety protection of railing, and simple and easy nailing and welding process also can't guarantee the firm of stair self, can't guarantee constructor's safety.
SUMMERY OF THE UTILITY MODEL
Therefore, a temporary stair for building construction needs to be provided to solve the problems that the structure and installation of the temporary stair in the prior art are simple and easy, and the use safety cannot be guaranteed.
In order to achieve the purpose, the inventor provides a temporary stair for building construction, which comprises a stair body, an upper platform, a lower platform, a plurality of guard rails, a plurality of stand columns and an extension platform;
the upper platform is erected on the lower platform through a plurality of upright posts, and the upper platform and the lower platform are respectively detachably connected with the upright posts; the upper platform and the lower platform are both provided with openings, and the opening of the upper platform is opposite to the opening of the lower platform;
the stair body is obliquely arranged between the opening of the upper platform and the opening of the lower platform, the downward end of the stair body is detachably connected with the lower platform, and the upward end of the stair body is detachably connected with the upper platform;
the protective railings are detachably arranged on the side edge of the stair, the periphery of the opening of the upper platform and the periphery of the opening of the lower platform respectively, and a stair exit and a stair entrance are reserved;
the extension platform can be spliced with the lower platform together through a detachable mode according to the size of the stairwell.
As a preferred structure of the utility model, the utility model also comprises a plurality of connecting rods; a plurality of through holes are formed in the table surface of the extension platform and the table surface of the lower platform, and the through holes of the lower platform and the through holes of the extension platform are in one-to-one correspondence; two ends of the connecting rod can be respectively inserted into the corresponding inserting holes of the lower platform and the corresponding inserting holes of the extension platform so as to splice the lower platform and the extension platform together in parallel.
As a preferred structure of the utility model, the upper platform and the lower platform are both provided with a clamping groove, and the inner wall of the clamping groove is provided with a threaded hole; the downward end of the stair body is clamped in the clamping groove of the lower platform, and the downward end of the stair body is locked through a bolt which penetrates through the downward end of the stair body and is screwed into the threaded hole; the one end card that the stair body faces up is in the draw-in groove department of upper ledge to through passing stair body one end up, and the downthehole bolt of screw in, locking stair body one end up.
As a preferred structure of the present invention, the guard rail includes a vertical bar vertically disposed; the upper surface of the lower platform, the upper surface of the upper platform and the side part of the stair are respectively provided with a plurality of guard rail supports, the guard rail supports are provided with rod holes for inserting the vertical rods, and the side walls of the rod holes are provided with threaded holes penetrating through the guard rail supports; the bottom end of the vertical rod is inserted into a rod hole of the protective guard support and is locked by a bolt screwed into the threaded hole.
As a preferred structure of the utility model, the upper surface of the lower platform and the lower surface of the upper platform are both provided with a plurality of upright supports, and the upright supports of the lower platform correspond to the upright supports of the upper platform one by one; the upright post support is provided with a post hole for inserting the upright post, and the side wall of the post hole is provided with a threaded hole penetrating through the upright post support; the stand is located between two corresponding stand supports, and the tip of stand inserts the post of stand support downtheholely to through the bolt locking in screw thread hole.
As a preferred structure of the utility model, the lower platform and the upper platform are both provided with a plurality of sleeves, and the sleeves of the lower platform correspond to the sleeves of the upper platform one by one; the side wall of the sleeve is provided with a threaded hole; the two corresponding sleeves are sleeved at one upright column together and can move along the axial direction of the upright column, so that the lower platform and the upper platform can drive the stair body to move to the upper floor along the axial direction of the upright column, and the threaded holes are screwed in bolts and tightly prop against the upright column to lock the sleeves and limit the movement of the lower platform and the upper platform; the length of the upright post is not less than the total height of two floors.
As a preferred structure of the utility model, the upright column comprises at least two splicing rods, the length of each splicing rod is not less than the floor height of a single-layer floor, and the splicing rods are spliced in sequence.
As a preferable structure of the utility model, the number of the splicing rods is consistent with the number of the layers of the stair body which need to move upwards.
As a preferred structure of the utility model, the upright column comprises a first splicing rod and a second splicing rod, the length of the first splicing rod and the length of the second splicing rod are not less than the story height of a single-layer story floor, the top end of the first splicing rod and the bottom end of the second splicing rod can be detachably connected, the top end of the second splicing rod and the bottom end of the first splicing rod can be detachably connected, and the first splicing rod and the second splicing rod alternately move upwards and are spliced, so that the upper platform and the lower platform can drive the stair body to move upwards layer by layer along the axial direction of the upright column.
As a preferred structure of the utility model, the upper platform and the lower platform comprise a walkway plate and a stair installation plate; the walkway plate and the stair mounting plate are arranged in parallel, and the opening is formed in the stair mounting plate; the walkway plate and the stair mounting plate are respectively provided with at least two sleeves, the walkway plate can move along the axial direction of the upright post independently of the stair mounting plate through the sleeves, and the stair mounting plate can move along the axial direction of the upright post independently of the stair mounting plate through the sleeves; the walkway plate and the stair mounting plate are spliced into a whole through the connecting piece when moving to the same height.
Different from the prior art, the temporary stair for building construction in the technical scheme has the advantages that the lower platform fills a gap formed by the stairwell in the lower floor slab, the upper platform fills a gap formed by the upper floor slab and the stairwell, and the lower platform and the upper platform are provided with opposite openings, so that after the stair body is installed, a user can go onto the lower platform after going upstairs from the stair below the lower platform and can go onto the stair body through the lower platform, and the user can go onto the upper platform after going upstairs from the stair body; the protective guards are arranged on the side edges of the stairs, the periphery of the opening of the upper platform and the periphery of the opening of the lower platform, so that the protective guard has a protection function, and the stair exit and the stair entrance are reserved while the protective guards are arranged, so that the user can go upstairs or downstairs; because stair body, upper mounting plate, lower platform, a plurality of rail guard and a plurality of stand adopt detachable assembly mode to install, when possessing the safety protection effect, convenient transportation and installation through concatenation extension platform to adapt to the stairwell of unidimensional.
Drawings
Fig. 1 is a structural view of a temporary staircase for building construction according to an embodiment of the present invention;
fig. 2 is a structural view of a temporary staircase for building construction according to another embodiment of the present invention;
fig. 3 is a structural view of a temporary staircase for building construction after being moved up according to another embodiment of the present invention;
FIG. 4 is an exploded view of a first splicing rod and a second splicing rod according to another embodiment of the present invention;
FIG. 5 is a schematic view of an assembled stud mount and stud according to another embodiment of the present invention;
FIG. 6 is a disassembled view of the walkway and stair installed plates according to another embodiment of the present invention;
fig. 7 is a schematic view of the installation of the downward end of the stair body and the lower platform according to an embodiment of the present invention.
Description of reference numerals:
1. a stair body;
2. an upper platform; 200. an opening; 201. square steel; 202. a walkway plate; 203. a stair mounting plate;
3. a lower platform;
4. protecting the fence; 400. a vertical rod;
5. a column; 500. a first splice bar; 5001. a threaded hole; 5002. a threaded rod; 501. a second splice bar;
6. a protective guard support;
7. a bolt;
8. a column support;
9. a sleeve;
10. extending the platform;
11. a connecting rod.
Detailed Description
To explain technical contents, structural features, and objects and effects of the technical solutions in detail, the following detailed description is given with reference to the accompanying drawings in conjunction with the embodiments.
Referring to fig. 1, the present invention provides a temporary staircase for building construction, which is used for building a house, is installed late, lacks a construction passage for going upstairs, and is used temporarily, particularly, has a stable structure, has a protective structure, and can ensure the safety of constructors.
Referring to fig. 1, in a specific embodiment, the temporary staircase for building construction includes a staircase body 1, an upper platform 2, a lower platform 3, a plurality of guard rails 4, a plurality of columns 5, and an extension platform 10; the stair body 1 is used for a constructor to walk to a first floor from a current floor; the upper platform 2 is used for filling a gap formed by the stairwell at the floor where the upper platform is positioned, and the upper platform 2 is used for filling a gap formed by the stairwell at the floor where the upper platform is positioned so as to avoid personnel falling; the protective guard 4 plays a role in protection, and protects the periphery of the stair body 1 so as to prevent people from falling; the upright post 5 is used for fixing the upper platform 2 and the lower platform 3; the extension platform 10 is used to extend the length of the lower platform so that the size of the lower platform fits the size of the stairwell.
The upper platform 2 is erected on the lower platform 3 through the plurality of stand columns 5, the upper platform 2 and the lower platform 3 are detachably connected with the stand columns 5 respectively, and the upper platform 2, the lower platform 3 and the stand columns 5 are installed in a detachable assembling mode, so that the transportation and the installation are convenient. Because the stairwell generally is the tetragonal body, consequently, upper mounting plate 2, lower platform 3 all set the rectangle, and upper mounting plate 2, lower platform 3 are just right setting from top to bottom, and upper mounting plate 2 is just right with four angles of lower platform 3 one by one, on this basis, can respectively set up a stand 5 in four just right angle departments of group.
Various ways of detachably connecting the upright posts 5 with the upper platform 2 and the lower platform 3 are available, such as threaded connection, bolt fixation and the like, in a certain embodiment, the upper surface of the lower platform 3 and the lower surface of the upper platform 2 are both provided with a plurality of upright post supports 8, and the upright post supports 8 of the lower platform 3 correspond to the upright post supports 8 of the upper platform 2 one by one; the upright post support 8 is provided with a post hole for inserting an upright post, and the side wall of the post hole is provided with a threaded hole penetrating through the upright post support 8; the stand is located between two stand supports 8 that correspond, and the tip of stand inserts the post hole of stand support 8 to through the bolt locking of screw in threaded hole. The axial screw hole of quadrature in stand also can be seted up to the tip of stand, and the bolt passes the screw hole of stand support 8, the screw hole of stand, can lock the stand more firmly, when needs are dismantled, only need with the bolt screw-out can.
The upper platform 2 and the lower platform 3 are both provided with openings 200, the openings 200 of the upper platform 2 and the openings 200 of the lower platform 3 are opposite, and the openings 200 can be rectangular. The opening 200 of the upper landing 2 is used to pass through the upper landing 2 when a person upstairs from the stair body 1, and the opening 200 of the lower landing 3 is used to pass through the lower landing 3 when a person upstairs from the stairs below the lower landing 3.
The downward end of the stair body 1 is clamped in the clamping groove of the lower platform 3, the downward end of the stair body 1 is locked through a bolt which penetrates through the downward end of the stair body 1 and is screwed into the threaded hole, and when the stair body is required to be disassembled, the bolt is only required to be screwed out; stair body 1 one end card up is in the draw-in groove department of upper mounting plate 2 to through passing stair body 1 one end up, and the downthehole bolt of screw in screwed in, locking stair body 1 one end up, likewise, when needs are dismantled, only need with the bolt screw out can.
The plurality of protective guards 4 are detachably arranged on the side edge of the stair, the periphery of the opening 200 of the upper platform 2 and the periphery of the opening 200 of the lower platform 3 respectively, so that the protective effect can be achieved, personnel falling is avoided, and the plurality of protective guards 4 are installed in a detachable assembling mode, so that the transportation and installation are facilitated while the safety protection effect is achieved.
In one embodiment, the guard rail 4 includes a horizontal bar and a vertical bar 400; the transverse rods are orthogonally connected with the vertical rods 400, and the vertical rods 400 are provided with a plurality of rods; the upper surface of the lower platform 3, the upper surface of the upper platform 2 and the side portions of the stairs are provided with a plurality of guard rail supports 6, the upward end surfaces of the guard rail supports 6 are provided with rod holes for inserting vertical rods 400, the side walls of the rod holes are provided with threaded holes penetrating through the guard rail supports 6, the vertical rods 400 can also be provided with axial threaded holes orthogonal to the vertical rods 400, please refer to fig. 5, the bottom ends of the vertical rods 400 are inserted into the rod holes of the guard rail supports 6, the threaded holes of the vertical rods 400 are aligned with the threaded holes in the guard rail supports 6, and then bolts 7 are screwed into the threaded holes. The vertical rod 400 is locked to realize detachable connection, and when the protective guard needs to be detached, the bolt 7 only needs to be screwed out.
When the protective guard 4 is arranged, a stair exit and a stair entrance are reserved, the stair exit needs to be reserved on the periphery of the opening 200 of the lower platform 3 and is an exit of a stair below the lower platform 3, the stair entrance needs to be reserved on the periphery of the opening 200 of the lower platform 3, and the stair exit needs to be reserved on the periphery of the opening 200 of the upper platform 2 and is an entrance of the stair body 1, namely, the stair exit is reserved on the exit of the stair body 1, the stair exit and the stair entrance are reserved while the protective guard 4 is arranged, and therefore the user can not be influenced to go upstairs or downstairs.
If stair body 1 is located the position by the wall, then stair body 1 only needs one side to be equipped with rail guard 4, if the both sides of stair body 1 do not all have the wall to rely on, then the both sides of stair body 1 all establish rail guard 4.
The concatenation mode of extension platform 10 and lower platform can have the multiple, if connect through the connecting plate, the bolt hole has all been seted up to connecting plate, extension platform 10, lower platform, and extension platform 10 and lower platform are pieced together, and the bolt hole of connecting plate aligns with the bolt hole of extension platform 10, the bolt hole of lower platform, then through bolt locking. In another embodiment, a plurality of connecting rods 11 are further included; a plurality of through holes are formed in the table surface of the extension platform 10 and the table surface of the lower platform, and the through holes of the lower platform and the through holes of the extension platform 10 are in one-to-one correspondence; both ends of the connecting rod 11 can be inserted into the corresponding insertion holes of the lower platform and the corresponding insertion holes of the extension platform 10, respectively, so as to splice the lower platform and the extension platform 10 together in parallel, preferably by at least three connecting rods 11.
The temporary stair for building construction can be installed in the stairwell in various ways, and can be formed by assembling the temporary stair for building construction, moving the temporary stair for building construction to the stairwell through hoisting equipment, and fixing the upright post 5 at the side wall of the stairwell; it is also possible to fix the pillar 5 to the sidewall of the stairwell first, then install the upper platform 2 to the upper end of the pillar 5, then connect the stair body 1 with the upper platform 2 together, then install the lower platform 3 at the lower end of the pillar 5, and connect the stair body 1 with the lower platform 3 together.
When the temporary stair for building construction needs to be moved to the previous floor from the current floor, the temporary stair for building construction can be detached from the current position, then the temporary stair for building construction is installed at the previous floor, and in order to facilitate the upward movement of the temporary stair for building construction, in one embodiment, the lower platform 3 and the upper platform 2 are both provided with a plurality of sleeves 9, the sleeves 9 of the lower platform 3 correspond to the sleeves 9 of the upper platform 2 one by one, if the upright posts 5 are provided with four sleeves, four groups of sleeves 9 are arranged, each group is provided with two opposite sleeves 9, namely two opposite sleeves 9, and the two opposite sleeves 9 are respectively arranged at the upper platform 2 and the lower platform 3.
The side wall of the sleeve 9 is provided with a threaded hole; the two corresponding sleeves 9 are sleeved at one upright post 5 together and can move along the axial direction of the upright post 5, so that the lower platform 3 and the upper platform 2 can drive the stair body 1 to move to the upper floor along the axial direction of the upright post 5, bolts are screwed in the threaded holes and the upright post 5 is tightly propped, so that the sleeves 9 are locked to limit the movement of the lower platform 3 and the upper platform 2; the length of the upright post 5 is not less than the total height of two floors.
When installing temporary stair for construction in the stairwell, upright 5 is vertical fixed, can be connected with the lateral wall of stairwell through horizontally connecting rod 11, makes upright 5 not attached stairwell, specifically, the both ends of upright 5 are fixed to do not influence upper ledge 2, lower platform 3 along the axial displacement of upright 5. The axial length of the upright post 5 is not less than the total height of two floors, so that at least when moving up one floor, the bolts at the sleeve 9 can be loosened to move the upper platform 2 and the lower platform 3 along the axial direction of the upright post 5.
The sleeve 9 is sleeved on the upright post 5, so that the upper platform 2 and the lower platform 3 are limited in movement along the radial direction of the upright post 5, the bolts are screwed at the sleeve 9 and abut against the upright post 5, the sleeve 9 is limited in movement along the axial direction of the upright post 5, when the displacement is required, the whole temporary stair for building construction is not required to be detached from the current floor, the bolts for locking the sleeve 9 are loosened, then the upper platform 2, the lower platform 3 and the stair body 1 are lifted, at the moment, the movement of the upper platform 2 and the lower platform 3 along the radial direction of the upright post 5 is still limited, and therefore, the upper platform 2 and the lower platform 3 only can keep the vertical upward movement direction in the process, the lifting direction does not need to be adjusted particularly, the bolts are locked until the lifting is carried out to the corresponding position, and the whole displacement process is simple and convenient.
The shift method for this structure, i.e., the upward shift method, includes the steps of:
detaching the downward end of the stair body 1 from the lower platform 3;
unscrewing bolts at the sleeve 9 of the upper platform 2;
the upper platform 2 is driven by the stair body 1 to move upwards along the axial direction of the upright post 5 until the upper platform 2 is lifted by the floor height distance of a single floor;
screwing the bolt at the sleeve 9 of the upper platform 2 so as to lock the upper platform 2 at the upright post 5;
loosening the bolts at the sleeve 9 of the lower platform 3;
moving the lower platform 3 upwards along the axial direction of the upright post 5 until the lower platform 3 is lifted by the floor height distance of a single floor;
mounting the downward end of the stair body 1 to the lower platform 3;
screwing the bolt at the sleeve 9 of the lower platform 3 so as to lock the lower platform 3 at the upright post 5;
or the shifting method thereof comprises the following steps:
loosening the bolts at the sleeve 9 of the upper platform 2 and loosening the bolts at the sleeve 9 of the lower platform 3;
the upper platform 2, the lower platform 3 and the stair body 1 synchronously move upwards along the axial direction of the upright post 5 until the floor height distance of a single floor is increased;
and screwing the bolts at the sleeve 9 of the upper platform 2 to ensure that the upper platform 2 is locked at the upright post 5, and screwing the bolts at the sleeve 9 of the lower platform 3 to ensure that the lower platform 3 is locked at the upright post 5.
If the length overlength of stand 5, then be difficult to the transportation, for the convenience transportation, stand 5 includes two piece at least concatenation poles, and a plurality of concatenation poles can splice together in proper order, and the total length after the concatenation is not less than the overall height of two-layer floor can.
In order to enable the plurality of splicing rods to be spliced together in sequence, a threaded rod 5002 can be coaxially arranged at one end of each splicing rod, a threaded hole 5001 is formed in the other end face of each splicing rod, the depth of each threaded hole 5001 is matched with the length of the corresponding threaded rod 5002, and the threaded rods 5002 are completely screwed into the threaded holes 5001, so that the end faces of the two splicing rods are opposite to each other.
In order to avoid the length of the stand 5 that the concatenation takes shape too salient floor, influence the construction, in the preferred embodiment, the length of every splicing bar all is not less than the floor height of individual layer floor, when the floor that needs to use temporary stair for the construction is the second floor, then only fix a splicing bar in the lateral wall department of stairwell, the length of stand 5 can not too salient in the floor this moment, when temporary stair need shift up a floor for the construction, splice a splicing bar to this splicing bar concatenation, the length of stand 5 also can not too salient in the floor this moment, then continue to splice a splicing bar when still needing to shift up a floor, every splice a splicing bar, all can not too salient with the one deck floor of newly-covered. Under this basis, the quantity of splicing rod is unanimous with the number of piles that stair body 1 need shift up, then can guarantee like this that in the house construction, every floor that shifts up of stair body 1, all can not dismantle stand 5, move upper ledge 2, lower platform 3, stair body 1 can.
Because some building floors built are higher, in order to avoid excessive splicing rods, the material consumption is too large, in a preferred embodiment, the upright column 5 can only comprise two splicing rods, specifically, the two splicing rods are respectively a first splicing rod 500 and a second splicing rod 501, namely, the upright column 5 comprises the first splicing rod 500 and the second splicing rod 501, the length of the first splicing rod 500 and the length of the second splicing rod 501 are not smaller than the layer height of a single-layer floor, the top end of the first splicing rod 500 and the bottom end of the second splicing rod 501 can be detachably connected, the top end of the second splicing rod 501 and the bottom end of the first splicing rod 500 can be detachably connected, the first splicing rod 500 and the second splicing rod 501 alternately move upwards and are spliced in a stair manner, so that the upper platform 2 and the lower platform 3 can drive the body 1 to move upwards layer by layer along the axial direction of the upright column 5.
Referring to fig. 2, the initial state is: the upper platform 2 and the lower platform 3 are both located at the first splicing rod 500. When the stair body 1 needs to move upward by the distance of the story height of a single story, please refer to fig. 3, the second splicing rod 501 is detachably connected to the first splicing rod 500, then the upper platform 2, the lower platform 3 and the stair body 1 are moved to the second splicing rod 501, at this time, the stair body 1 is moved upwards by the distance of the floor height of a single floor, then the sleeve 9 is locked by the bolt 7, and then the first splicing rod 500 is detached from the second splicing rod 501, so that when the stair body 1 needs to move upwards again by the distance of the story height of a single story, the first splicing rod 500 and the second splicing rod 501 are used alternately to fix the upper platform 2 and the lower platform 3, when the first splicing rod 500 and the second splicing rod 501 are spliced together, the upper platform 2, the lower platform 3 and the stair body 1 are assisted to move upwards together.
Please refer to fig. 4, in order to detachably connect the top end of the first splicing rod 500 and the bottom end of the second splicing rod 501, the top end of the second splicing rod 501 and the bottom end of the first splicing rod 500 are detachably connected, a threaded rod 5002 is coaxially disposed at one end of the first splicing rod 500 and one end of the second splicing rod 501, a threaded hole 5001 is disposed at the other end surface of the first splicing rod 500 and the other end surface of the second splicing rod 501, the depth of the threaded hole 5001 is adapted to the length of the threaded rod 5002, when the threaded rod 5002 is completely screwed into the threaded hole 5001, the end surfaces of the first splicing rod 500 and the second splicing rod 501 are opposite to each other.
To facilitate moving up, please refer to fig. 6, in a further embodiment, the upper platform 2 and the lower platform 3 both comprise a walkway plate 202 and a stair installation plate 203; the walkway plate 202 and the stair installing plate 203 are arranged in parallel, and the opening 200 is formed in the stair installing plate 203; the walkway plate 202 and the stair mounting plate 203 are respectively provided with at least two sleeves 9, the walkway plate 202 can move along the axial direction of the upright post 5 independently of the stair mounting plate 203 through the sleeves 9, and the stair mounting plate 203 can move along the axial direction of the upright post 5 independently of the stair mounting plate 203 through the sleeves 9; walk guidance tape 202 and stair mounting panel 203 when removing to the co-altitude, splice through the connecting piece integratively, can be at the guidance tape, stair mounting panel 203 all sets up the bolt hole, then be provided with the connecting plate, two rows of bolt holes have been seted up to the connecting plate, two rows of bolt holes are used for respectively with the bolt hole of guidance tape, stair mounting panel 203's bolt hole aligns, walk guidance tape 202 and stair mounting panel 203 and lock the bolt when removing to the co-altitude, then can splice guidance tape 202 and stair mounting panel 203 integratively, treat that the next time needs to move up, dismantle the bolt again can.
It should be noted that, although the above embodiments have been described herein, the utility model is not limited thereto. Therefore, based on the innovative concepts of the present invention, the technical solutions of the present invention can be directly or indirectly applied to other related technical fields by making changes and modifications to the embodiments described herein, or by using equivalent structures or equivalent processes performed in the content of the present specification and the attached drawings, which are included in the scope of the present invention.
Claims (10)
1. A temporary stair for building construction is characterized by comprising a stair body, an upper platform, a lower platform, a plurality of guard rails, a plurality of stand columns and an extension platform;
the upper platform is erected on the lower platform through a plurality of upright posts, and the upper platform and the lower platform are respectively detachably connected with the upright posts; the upper platform and the lower platform are both provided with openings, and the opening of the upper platform is opposite to the opening of the lower platform;
the stair body is obliquely arranged between the opening of the upper platform and the opening of the lower platform, the downward end of the stair body is detachably connected with the lower platform, and the upward end of the stair body is detachably connected with the upper platform;
the protective railings are detachably arranged on the side edge of the stair, the periphery of the opening of the upper platform and the periphery of the opening of the lower platform respectively, and a stair exit and a stair entrance are reserved;
the extension platform can be spliced with the lower platform together through a detachable mode according to the size of the stairwell.
2. The temporary staircase for construction according to claim 1, further comprising a plurality of connecting rods; a plurality of through holes are formed in the table surface of the extension platform and the table surface of the lower platform, and the through holes of the lower platform and the through holes of the extension platform are in one-to-one correspondence; two ends of the connecting rod can be respectively inserted into the corresponding inserting holes of the lower platform and the corresponding inserting holes of the extension platform so as to splice the lower platform and the extension platform together in parallel.
3. The temporary stair for building construction according to claim 1, wherein the upper platform and the lower platform are both provided with a slot, and the inner wall of the slot is provided with a threaded hole; the downward end of the stair body is clamped in the clamping groove of the lower platform, and the downward end of the stair body is locked through a bolt which penetrates through the downward end of the stair body and is screwed into the threaded hole; the one end card that the stair body faces up is in the draw-in groove department of upper ledge to through passing stair body one end up, and the downthehole bolt of screw in, locking stair body one end up.
4. The temporary staircase for construction according to claim 1, wherein the guard rail comprises a vertical rod vertically disposed; the upper surface of the lower platform, the upper surface of the upper platform and the side part of the stair are respectively provided with a plurality of guard rail supports, the guard rail supports are provided with rod holes for inserting the vertical rods, and the side walls of the rod holes are provided with threaded holes penetrating through the guard rail supports; the bottom end of the vertical rod is inserted into a rod hole of the protective guard support and is locked by a bolt screwed into the threaded hole.
5. The temporary stair for building construction according to claim 1, wherein a plurality of upright supports are provided on both the upper surface of the lower platform and the lower surface of the upper platform, and the upright supports of the lower platform correspond to the upright supports of the upper platform one to one; the upright post support is provided with a post hole for inserting the upright post, and the side wall of the post hole is provided with a threaded hole penetrating through the upright post support; the stand is located between two corresponding stand supports, and the tip of stand inserts the post of stand support downtheholely to through the bolt locking in screw thread hole.
6. The temporary stair for building construction according to claim 1, wherein the lower platform and the upper platform are provided with a plurality of sleeves, and the sleeves of the lower platform correspond to the sleeves of the upper platform one by one; the side wall of the sleeve is provided with a threaded hole; the two corresponding sleeves are sleeved at one upright column together and can move along the axial direction of the upright column, so that the lower platform and the upper platform can drive the stair body to move to the upper floor along the axial direction of the upright column, and the threaded holes are screwed in bolts and tightly prop against the upright column to lock the sleeves and limit the movement of the lower platform and the upper platform; the length of the upright post is not less than the total height of two floors.
7. The temporary stair for building construction according to claim 6, wherein the vertical column comprises at least two splicing rods, the length of each splicing rod is not less than the floor height of a single-layer floor, and the splicing rods are spliced in sequence.
8. The temporary stair for building construction according to claim 7, wherein the number of the splicing rods is consistent with the number of layers of the stair body which need to move upwards.
9. The temporary stair for building construction according to claim 6, wherein the vertical column comprises a first splicing rod and a second splicing rod, the length of the first splicing rod and the length of the second splicing rod are not less than the story height of a single-layer floor, the top end of the first splicing rod and the bottom end of the second splicing rod can be detachably connected, the top end of the second splicing rod and the bottom end of the first splicing rod can be detachably connected, and the first splicing rod and the second splicing rod alternately move upwards and are spliced, so that the upper platform and the lower platform can drive the stair body to move upwards layer by layer along the axial direction of the vertical column.
10. The temporary staircase for construction according to claim 6, wherein the upper and lower platforms each comprise a walkway plate and a staircase mounting plate; the walkway plate and the stair mounting plate are arranged in parallel, and the opening is formed in the stair mounting plate; the walkway plate and the stair mounting plate are respectively provided with at least two sleeves, the walkway plate can move along the axial direction of the upright post independently of the stair mounting plate through the sleeves, and the stair mounting plate can move along the axial direction of the upright post independently of the stair mounting plate through the sleeves; the walkway plate and the stair mounting plate are spliced into a whole through the connecting piece when moving to the same height.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121818398.1U CN215520138U (en) | 2021-08-05 | 2021-08-05 | Temporary stair for building construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121818398.1U CN215520138U (en) | 2021-08-05 | 2021-08-05 | Temporary stair for building construction |
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| Publication Number | Publication Date |
|---|---|
| CN215520138U true CN215520138U (en) | 2022-01-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121818398.1U Active CN215520138U (en) | 2021-08-05 | 2021-08-05 | Temporary stair for building construction |
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| Country | Link |
|---|---|
| CN (1) | CN215520138U (en) |
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- 2021-08-05 CN CN202121818398.1U patent/CN215520138U/en active Active
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