CN111622436A - Prefabricated staircase and installation process thereof - Google Patents
Prefabricated staircase and installation process thereof Download PDFInfo
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- CN111622436A CN111622436A CN202010480458.7A CN202010480458A CN111622436A CN 111622436 A CN111622436 A CN 111622436A CN 202010480458 A CN202010480458 A CN 202010480458A CN 111622436 A CN111622436 A CN 111622436A
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- positioning hole
- positioning
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- groove
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F11/00—Stairways, ramps, or like structures; Balustrades; Handrails
- E04F11/02—Stairways; Layouts thereof
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F11/00—Stairways, ramps, or like structures; Balustrades; Handrails
- E04F11/02—Stairways; Layouts thereof
- E04F11/022—Stairways; Layouts thereof characterised by the supporting structure
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F11/00—Stairways, ramps, or like structures; Balustrades; Handrails
- E04F11/02—Stairways; Layouts thereof
- E04F2011/0203—Miscellaneous features of stairways not otherwise provided for
- E04F2011/0205—Stairways characterised by the use of specific materials for the supporting structure of the treads
- E04F2011/021—Stairways characterised by the use of specific materials for the supporting structure of the treads mainly of stone or stone like materials, e.g. concrete; mainly of glass
- E04F2011/0212—Stairways characterised by the use of specific materials for the supporting structure of the treads mainly of stone or stone like materials, e.g. concrete; mainly of glass mainly of concrete
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- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Steps, Ramps, And Handrails (AREA)
Abstract
The invention relates to a prefabricated staircase and an installation process thereof, belonging to the technical field of assembly type building construction, the prefabricated staircase comprises a staircase body, a transfer platform and a floor slab, wherein a first positioning hole and a second positioning hole are reserved on the staircase body, a first positioning piece is pre-embedded on the transfer platform, the first positioning piece is inserted and embedded in the first positioning hole, a second positioning piece is pre-embedded on the floor slab, the second positioning hole is used for inserting and embedding a second positioning piece, a containing tank is arranged at the bottom of a bottom platform, a through groove is arranged in the bottom platform, the through groove is horizontally arranged and communicated with the second positioning hole and the top of the containing tank, an elastic limiting piece is fixedly arranged at the top surface of the through groove, a pushing assembly is arranged in the containing tank, a steel plate is fixedly arranged on the pushing assembly, the bottom surface of the steel plate is flush with the bottom surface of the bottom platform, a limiting groove is arranged, the prefabricated staircase has the effects of facilitating the transportation of the prefabricated staircase, quickly assembling and increasing the assembling and fixing of the prefabricated staircase.
Description
Technical Field
The invention relates to the technical field of assembly type building construction, in particular to a prefabricated staircase and an installation process thereof.
Background
The prefabricated reinforced concrete stairs are assembled by prefabricated components produced in factory or on-site. Compared with a cast-in-place reinforced concrete stair, the prefabricated assembled stair can improve the industrial construction level, save the templates, simplify the operation procedures and greatly shorten the construction period.
Current can refer to chinese patent that publication number is CN108979029A, it discloses a stable in structure's prefabricated staircase, including stair body, upper mounting plate and lower platform, the stair body includes stair upper end overlap joint portion, footboard and stair lower extreme overlap joint portion, the upper mounting plate is provided with upper mounting plate overlap joint portion, the platform is provided with lower platform overlap joint portion down, stair upper end overlap joint portion is provided with the dovetail, the upper mounting plate is provided with the dovetail that corresponds with the dovetail, the dovetail all corresponds with the dovetail and is provided with at least one, be provided with transverse gap between the lower surface of stair upper end overlap joint portion and the upper surface of upper mounting plate overlap joint portion, and the transverse gap intussuseption is filled with cement mortar. The invention has simple construction process, shortens construction period, has no limit to construction quality by the technical level of construction operators, is reliably connected and fixed during installation, and has shockproof function.
The above prior art solutions have the following drawbacks: the area is relieved to the joint mode of forked tail and dovetail and is limited, and is limited to the fixed effect that stair provided, and when prefabricated stair transported, the forked tail outstanding prefabricated stair body, very easily takes place to damage and influences the inlay card of forked tail and dovetail and fix, causes the influence to the assembly and construction of prefabricated stair.
Disclosure of Invention
The invention aims to provide a prefabricated staircase, which is convenient to transport and can increase the assembling and fixing effects of the prefabricated staircase.
One of the above objects of the present invention is achieved by the following technical solutions:
a prefabricated staircase mounting structure comprises a staircase body, a transfer platform and a floor slab, wherein the staircase body comprises an inclined ladder, a top platform and a bottom platform which are respectively and fixedly arranged at two ends of the inclined ladder, a first positioning hole is reserved on the top platform, a first positioning piece is pre-embedded on the transfer platform, the first positioning piece is inserted and embedded in the first positioning hole, a second positioning hole is reserved on the bottom platform, a second positioning piece is pre-embedded on the floor slab, the second positioning hole is used for the insertion and embedding of the second positioning piece, the first positioning hole and the second positioning hole are both vertically arranged, the bottom platform is provided with a holding tank, the holding tank is vertically arranged and is provided with a bottom penetrating through the bottom platform, a gap is reserved between the holding tank and the bottom of the second positioning hole to form a partition panel, a through groove is arranged in the bottom platform, the through groove is horizontally arranged and communicated with the second positioning hole and the top of the holding, lead to the fixed elastic locating part that is provided with of groove top surface, the holding tank internal rotation is provided with the promotion subassembly, promotion subassembly one end is located the holding tank, the other end is located the second locating hole, the elastic locating part supplies the promotion subassembly to be close to second locating hole one end and supports and press at the partition panel top, the promotion subassembly is located the holding tank in one end is fixed and is provided with the steel sheet, steel sheet outer wall and holding tank inner wall butt, steel sheet bottom surface and end platform bottom surface parallel and level have been seted up the spacing groove on the floor, the spacing groove supplies.
By adopting the technical scheme, the transfer platform and the floor slab provide fixed platforms for building and assembling the stair body, the top platform and the bottom platform provide platforms for forming the first positioning hole and the second positioning hole, the first positioning piece is inserted and embedded in the first positioning hole, the second positioning piece is inserted and embedded in the second positioning hole, and preliminary assembly limiting of the stair body, the transfer platform and the floor slab is completed; the accommodating groove is formed to provide a fixed and hidden position for the pushing assembly, the accommodating groove and the second positioning hole are communicated by the through groove, and meanwhile, a space is provided for the pushing assembly to work; when the device is not assembled, one end of the pushing assembly, which is close to the second positioning hole, is abutted against the top of the partition plate by the elastic limiting part, so that the steel plate, which is positioned in the accommodating groove and fixed at one end, of the pushing assembly is hidden in the accommodating groove, the transportation of the device is facilitated, and the influence of inconvenient transportation and subsequent assembly caused by collision of the steel plate in the transportation process of the device is avoided; when the device is assembled, the second positioning piece is inserted and embedded into the second positioning hole, the second positioning piece is positioned in the second positioning hole to push one end of the component to jack upwards, the pushing component finally breaks away from the abutting pressure of the elastic limiting part along with the penetration of the second positioning piece, the falling of the steel plate is completed, the steel plate is exposed out of the containing groove, the insertion and embedding are carried out in the limiting groove, and the fixing effect of the device and an adjacent component during assembly is improved.
The invention is further configured to: promote the subassembly and include horizon bar, locating lever and connecting seat, in horizon bar one end gos deep into the second locating hole, the other end is located the holding tank inside and rotates with connecting seat one end to be connected, the connecting seat other end and steel sheet top surface fixed connection, the roll adjustment hole has been seted up on the horizon bar, the roll adjustment hole is seted up along horizon bar length direction, the locating lever runs through the roll adjustment hole and just to inner wall fixed connection with the holding tank two, the horizontal projection mutually perpendicular of locating lever and horizon bar.
By adopting the technical scheme, the horizontal rod and the connecting seat play a role in rotation, after the second positioning piece jacks up the horizontal rod, the horizontal rod completes the lowering of the steel plate through the connecting seat, and the effect that the second positioning piece indirectly controls the lowering of the steel plate is realized; the locating lever cooperation elasticity locating part makes the horizon bar form lever principle, and under this device is not suitable for the state, the elasticity locating part makes the steel sheet accomodate in the holding tank all the time to the pushing down of horizon bar, has guaranteed the convenient transportation of this device, and the setting in roll adjustment hole makes the steel sheet keep vertical direction all the time when removing, and what the horizontal direction produced the removal is the horizon bar, has guaranteed the accurate tenesmus of steel sheet, and the more swift assembly of this device of being convenient for.
The invention is further configured to: elasticity locating part includes outer tube, inner tube and spring, and outer tube one end is fixed to be set up at logical groove top surface, and the inside embedding inner tube that inserts of other end, the inner tube keep away from outer tube one end and seal and with the horizon bar outer wall butt, the spring is located inside outer tube and the inner tube, spring one end and logical groove top fixed connection, outer tube one end fixed connection is kept away from with the inner tube to the other end.
By adopting the technical scheme, the arrangement of the outer tube and the inner tube provides a deformation path for the spring to deform, so that the deformation direction of the spring is limited, and the spring can more effectively exert the elasticity of the spring; the inserting and embedding mode of the outer pipe and the inner pipe has the advantages that the compression and resilience of the spring are not affected on the premise of limiting the deformation path of the spring, the effective implementation of the spring is guaranteed, the elastic locating part is enabled to be effective and is abutted to the pushing assembly to be limited, the steel plate is guaranteed to be stored in the containing groove, and the device is convenient to transport.
The invention is further configured to: the inner pipe is inclined with one end of the horizontal rod, and the inclined direction is inclined upwards from the direction far away from the second positioning hole.
Through adopting above-mentioned technical scheme, when the horizon bar was by the second setting element jack-up, the terminal portion landing that the jack-up final condition is close to the second locating hole for the horizon bar on the slope terminal surface of inner tube, the one end that the inner tube is close to the horizon bar is not producing effectual support to pressing to the horizon bar, and the horizon bar complies with the support of the complete roll-off inner tube of inclined plane and presses the scope, finally accomplishes the tenesmus of steel sheet, and the setting up of inclined plane makes the better tenesmus procedure of accomplishing the steel sheet of second setting element.
The invention is further configured to: the end face of the inner tube abutted to the horizontal rod is an arc-shaped end face, and the radian of the arc-shaped end face is matched with the radian of the outer wall of the horizontal rod.
Through adopting above-mentioned technical scheme, the horizontally terminal surface compares, and the outer wall of the better laminating horizon bar of inner tube curved terminal surface receives vibrations when this device in the transportation, and the horizon bar outer wall is hugged closely to the arc terminal surface, and the effectual vibrations of bringing when having overcome the transportation have guaranteed that the inner tube carries out spacing effect to the horizon bar all the time, and indirect reaching is in the transportation, and the steel sheet has brought the facility for the transportation of this device in the holding tank of accomodating all the time.
The invention is further configured to: a gap exists between the inner wall of the first positioning hole and the outer wall of the first positioning piece, a gap exists between the inner wall of the limiting groove and the side wall of the steel plate, and the tops of the first positioning hole and the second positioning hole are both opened with the outside.
Through adopting above-mentioned technical scheme, first locating hole and second locating hole top all open with the external world, better alignment preliminary location when being convenient for this device hoist and mount, this device and floor and transfer platform, be prefabricated component, the mill prefabricates through the drawing, can inevitably have the error in the manufacturing process, and there is the clearance between first locating hole inner wall and the first locating part outer wall, there is the clearance between spacing inslot wall and the steel sheet lateral wall, place back on floor and transfer platform at this device hoist and mount, can finely tune according to level bar and other positioning tool, the clearance of reserving provides convenience for subsequent position adjustment.
The invention is further configured to: transfer platform includes the landing slab and accepts the board, and the landing slab with accept the equal level setting of board, the landing slab with accept the board bottom surface and be located same horizontal plane, first locating part bottom with accept board top surface fixed connection, after first locating hole interpolation inlays first locating part, top platform top surface and landing slab top surface are located same horizontal plane, first locating hole top-down aperture grow gradually.
By adopting the technical scheme, the heights of the bearing plate and the platform plate are not equal, so that after the top platform is fixed, the sum of the heights of the top platform and the bearing plate is equal to the height of the platform plate, the integrity of the top platform and the transfer platform after the device is assembled is improved, a step is saved for the device, and the arrangement of the top platform is fully utilized; the aperture of the first positioning hole is gradually enlarged from top to bottom, so that the first positioning piece can be conveniently inserted into the first positioning hole from the bottom, and the device can be conveniently assembled and fixed.
The invention is further configured to: the side surfaces of the top platform and the platform plate, which are contacted with each other, are all wavy.
Through adopting above-mentioned technical scheme, the area of contact of the contact surface each other of top platform and landing slab has been increased in wavy design, pours through the later stage and makes the fixed effect that both formed better.
The invention is further configured to: and a gap exists between the side surfaces of the top platform and the platform plate, which are contacted with each other.
By adopting the technical scheme, the arrangement of the gap enables the top platform not to influence the fine adjustment of the position of the follow-up device, and the fine adjustment after the device is assembled is facilitated.
The second purpose of the invention is to provide a prefabricated staircase installation process, which achieves the effect of rapid positioning and assembly of the device.
The second purpose of the invention is realized by the following technical scheme:
s1: the prefabricated stair body is produced in a factory, four-point hoisting is selected, the stair body is suspended above a floor slab and a transfer platform, the diameter of a first positioning hole is gradually increased from top to bottom, the first positioning hole is aligned to a first positioning piece, and a second positioning hole is aligned to a second positioning piece;
s2: the stair body is lowered, so that the first positioning piece is inserted into the first positioning hole, and meanwhile, the second positioning piece is inserted into the second positioning hole;
s3: the second positioning piece is inserted into the second positioning hole, the second positioning piece jacking horizontal rod is positioned at one end inside the second positioning hole, the elastic limiting piece is compressed when the horizontal rod is jacked, the end part, abutted against the outer wall of the horizontal rod, of the elastic limiting piece is inclined, the positioning rod penetrates through the distance adjusting hole in the horizontal rod, the horizontal rod forms a lever principle, one end, positioned inside the containing tank, of the horizontal rod is pulled by the gravity of the steel plate, the horizontal rod slides out of the abutting range of the elastic limiting piece in compliance with the inclined end part of the elastic limiting piece, and the steel plate falls along the trend and is inserted into the limiting groove;
s4: the accuracy of the placement position of the stair body is measured through a horizontal ruler and other measuring instruments, gaps are reserved between the limiting grooves and the steel plate, between the first positioning holes and the first positioning pieces, and between the top platform and the wavy side face of the platform plate, which are contacted with each other, so that the fine adjustment of the position relation of the stair body relative to the platform plate and the floor slab is realized, and the assembly requirement specification of the stair body is reached through the fine adjustment;
s5: and pouring concrete into the first positioning hole and the second positioning hole and between the stair body and the contact surface of the transfer platform and the floor slab.
By adopting the technical scheme, the aperture of the first positioning hole is gradually increased from top to bottom, the first positioning piece penetrates into the first positioning hole from the bottom of the first positioning hole, and the inner wall of the first positioning hole, which penetrates from the large aperture and conforms to the inclination, finally penetrates into the small aperture, so that the first positioning piece can enter the first positioning hole more smoothly; a gap exists between the inner wall of the first positioning hole and the outer wall of the first positioning piece, and the existing gap provides a fine adjustment space for fine adjustment after the stair body is assembled, so that the effect of rapid positioning and assembling of the device is achieved;
when the second positioning piece is aligned with the second positioning hole, the limiting groove is aligned with the steel plate, the second positioning piece indirectly controls the falling of the steel plate in the process that the second positioning piece is inserted into the second positioning hole, and after the second positioning piece is completely inserted into the second positioning hole, the steel plate completely falls and is inserted into the limiting groove, so that the positioning insertion of the second positioning piece and the steel plate with the floor slab is completed; a gap exists between the inner wall of the limiting groove and the side wall of the steel plate, so that an adjusting space is provided for fine adjustment of the position of the stair body after preliminary assembly, and the effect of rapid positioning and assembly of the device is achieved;
the wavy side that top platform and landing slab contacted each other, the preliminary alignment of accomplishing certainly when first locating piece and second locating piece had been inlayed respectively in first locating hole and second locating hole, after stair body preliminary assembly is taken one's place, the clearance that leaves between the side that top platform and landing slab contacted each other provides the adjustment space for the fine setting of stair body position, reaches the effect of the swift positioning assembly of this device.
In summary, the invention includes at least one of the following beneficial technical effects:
1. the arrangement of the pushing assembly enables the second positioning piece to indirectly control the steel plate to fall down, so that the steel plate is inserted and embedded in the limiting groove, and the fixing effect of the device when the device is assembled with an adjacent component is improved;
2. the elastic limiting piece is arranged, so that the steel plate is always contained in the containing groove when the device is transported, and convenience is brought to transportation of the device;
3. the side that top platform and landing slab contacted each other is the wave form, pours through the later stage and makes the fixed effect that both formed better.
Drawings
FIG. 1 is a schematic view of the overall structure of the present embodiment;
FIG. 2 is a sectional view showing the internal structure of the first positioning hole;
FIG. 3 is a partial sectional view of the structure with the bottom platform suspended above the floor and unassembled;
FIG. 4 is a partial sectional view of the base platform in an assembled state;
FIG. 5 is an enlarged partial schematic view of portion A of FIG. 4;
fig. 6 is a schematic structural diagram of the elastic limiting member and the pushing assembly.
In the figure, 1, a stair body; 11. a top platform; 111. a first positioning hole; 12. inclining the ladder; 13. a bottom platform; 131. a second positioning hole; 132. accommodating grooves; 133. a partition panel; 134. a through groove; 2. a transfer platform; 21. a platform plate; 22. a bearing plate; 221. a first positioning member; 3. a floor slab; 31. a second positioning member; 32. a limiting groove; 4. an elastic limiting part; 41. an outer tube; 42. a spring; 43. an inner tube; 5. a pushing assembly; 51. a horizontal bar; 511. distance adjusting holes; 52. positioning a rod; 53. a connecting seat; 6. and (3) a steel plate.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example 1
Referring to fig. 1, the prefabricated staircase disclosed by the invention comprises a transfer platform 2, a staircase body 1 and a floor slab 3, wherein two ends of the staircase body 1 are respectively assembled on the transfer platform 2 and the floor slab 3, gaps among the transfer platform 2 and the floor slab 3 are poured through concrete, the assembly and fixation of the staircase body 1 are completed, and the effect of quickly assembling the staircase body 1 is achieved.
Referring to fig. 1, the stair body 1 comprises a top platform 11, an inclined ladder 12 and a bottom platform 13, wherein the top platform 11 and the bottom platform 13 are respectively fixed at two ends of the inclined ladder 12 and horizontally arranged, the top platform 11 is provided with a first positioning hole 111, and the first positioning hole 111 is a circular hole; a second positioning hole 131 is formed in the bottom platform 13, the second positioning hole 131 is a circular hole, the first positioning hole 111 and the second positioning hole 131 are both vertically formed, and both ends of the first positioning hole and the second positioning hole 131 are both open to the outside; transfer platform 2 includes platform board 21 and accepts board 22, 2 horizontal settings of transfer platform, the bottom surface of accepting board 22 and platform board 21 is same horizontal plane, accept the fixed first setting part 221 that is provided with of board 22 top surface, the vertical setting of first setting part 221, the fixed second setting part 31 that is provided with in floor 3 top, the vertical setting of second setting part 31, suspend stair body 1 in midair in transfer platform 2 and floor 3 top, make first setting part 221 and second setting part 31 of first setting part 111 and second setting part 131 alignment, below stair body 1 makes first setting part 221 and second setting part 31 insert respectively and inlay and get into first setting part 111 and second setting part 131 in, accomplish the preliminary assembly of stair body 1. Both ends of the first positioning hole 111 and the second positioning hole 131 are open to the outside, so that a worker can conveniently align the first positioning hole 111 and the second positioning hole 131 with the relative positions of the first positioning piece 221 and the second positioning piece 31; stair body 1 after preliminary assembly, connect at the bottom of the bottom surface of top platform 11 with accept board 22 top surface, the top surface of top platform 11 and the top surface parallel and level of landing slab 21, reach the personnel and walk on the landing slab 21 can be stepped on after slope ladder 12 is the top, cancel landing slab 21 and the unnecessary ladder of top platform 11 and feel, the butt joint mode of bottom platform 13 and floor 3 is the same with the butt joint mode of top platform 11 and transfer platform 2 in this embodiment, make 13 top surfaces of bottom platform and 3 top surface parallel and levels of floor, the horizontal span of stair body 1 has been reduced, reach save material, strengthen the effect of stair body 1 and transfer platform 2 and floor 3's connectivity.
Referring to fig. 1 and 2, the aperture of the first positioning hole 111 gradually increases from top to bottom, and the minimum aperture of the first positioning hole 111 is larger than the diameter of the first positioning member 221, that is, after the first positioning member 221 is inserted into the first positioning hole 111, a gap is left between the outer wall of the first positioning member 221 and the inner wall of the first positioning hole 111. The aperture of the bottom of the first positioning hole 111 is enlarged, so that the first positioning piece 221 can be inserted into the first positioning hole 111 more smoothly, the insertion between the first positioning piece and the first positioning piece is easier to complete, and then the pouring area is increased by pouring a gap between the first positioning piece and the first positioning piece through concrete, so that the effect of increasing the assembly and fixation of the prefabricated staircase is achieved; the side that top platform 11 and flat pallet 21 contacted is the wavy, and leaves the clearance between top platform 11 and the flat pallet 21, and the wavy area of contact that has increased between the two has produced the spacing ability of level between the two simultaneously, accomplishes final fixed through the gap between the concrete placement between the two, has increased the area of pouring, reaches the fixed effect of increase prefabricated staircase assembly.
Referring to fig. 3, a receiving groove 132 is formed in the bottom platform 13, the receiving groove 132 is vertically formed, the bottom of the receiving groove 132 is open to the outside, a distance exists between the receiving groove 132 and the second positioning hole 131, a through groove 134 is formed in the bottom platform 13, the through groove 134 is horizontally formed, two ends of the through groove 134 are respectively communicated with the second positioning hole 131 and the receiving groove 132, a partition plate 133 is formed at a space between the receiving groove 132 and the second positioning hole 131, namely, the partition plate 133 is located under the through groove 134, the top surface of the partition plate 133 and the bottom surface of the through groove 134 are at the same horizontal plane, an elastic limiting part 4 is fixedly arranged at the top of the through groove 134, a pushing assembly 5 is rotatably arranged in the bottom platform 13, the pushing assembly 5 comprises a horizontal rod 51, a positioning rod 52 and a connecting seat 53, the horizontal rod 51 horizontally penetrates through the through groove 134, one end of the, the distance adjusting hole 511 is formed along the length direction of the horizontal rod 51, the positioning rod 52 penetrates through the distance adjusting hole 511, two ends of the positioning rod 52 are fixedly connected with the inner wall of the accommodating groove 132, the horizontal projections of the positioning rod 52 and the horizontal rod 51 are perpendicular to each other, one end of the connecting seat 53 is rotatably connected with one end of the horizontal rod 51, which is located in the accommodating groove 132, the other end of the connecting seat 53 is fixedly connected with the steel plate 6, the length of the steel plate 6 is the same as the distance between the partition plate 133 and the inner wall of the accommodating groove 132, which is opposite to the partition plate 133, the elastic limiting part 4 is used for enabling the horizontal rod 51 to be abutted against the partition plate 133, the horizontal rod 51 forms a lever principle through the positioning of the positioning rod 52, and finally the steel plate 6 is always suspended in; spacing groove 32 has been seted up to 3 top surfaces of floor, and 6 positions of the corresponding steel sheet of spacing groove 32 are seted up, and spacing groove 32 supplies steel sheet 6 to insert and inlays, and 1 preliminary assembly back of stair body, second setting element 31 are inserted and are inlayed in second locating hole 131, and 6 inserts of steel sheet are inlayed in spacing groove 32 this moment, and follow-up concrete pours through second locating hole 131, finally reaches the prefabricated staircase transportation of being convenient for, increases the fixed effect of prefabricated staircase assembly.
Referring to fig. 4 and 5, the elastic limiting member 4 includes an outer tube 41, a spring 42 and an inner tube 43, one end of the outer tube 41 is fixedly disposed at the top of the through slot 134, the inner tube 43 is inserted into the other end, one end of the inner tube 43 away from the outer tube 41 is abutted to the outer wall of the horizontal rod 51, one end of the inner tube 43 away from the outer tube 41 is closed, the spring 42 is disposed inside the inner tube 43 and the outer tube 41, one end of the spring 42 is fixedly connected to the top of the through slot 134, the other end of the spring is fixedly connected to the inner wall of one end of the inner tube 43, the inner tube 43 and the outer tube 41 are partially overlapped, the arrangement of the spring 42 ensures that the inner tube 43 cannot be separated. In the preliminary assembly process of the stair body 1, the second positioning element 31 is inserted into the second positioning hole 131, the top of the second positioning element 31 is positioned in the second positioning hole 131, the end of the horizontal rod 51 is jacked, the elastic limiting element 4 is jacked along with the second positioning element, the end of the inner tube 43 abutted to the outer wall of the horizontal rod 51 is obliquely arranged, the oblique direction is obliquely and upwards arranged from the direction away from the second positioning hole 131, after the horizontal rod 51 is jacked, the end of the horizontal rod 51 slides onto the oblique end face of the inner tube 43 and is influenced by gravity brought by the steel plate 6, the abutting range of the elastic limiting element 4 is finally and completely separated, the falling process of the steel plate 6 is completed, namely, after the second positioning element 31 is inserted into the second positioning hole 131, the steel plate 6 falls and is inserted into the limiting groove 32, the transportation of the prefabricated stair is facilitated, and the assembly fixing effect of the prefabricated.
Referring to fig. 6, the terminal surface of inner tube 43 and the butt of horizontal pole 51 outer wall is the arc terminal surface, the outer wall radian of the radian adaptation horizontal pole 51 of arc terminal surface, the terminal surface that inner tube 43 is close to horizontal pole 51 promptly and horizontal pole 51 outer wall in close contact with, the setting of inner tube 43 terminal surface, the elastic locating part 4 of being convenient for is more effectual supports to press the effect to horizontal pole 51, resist in the transportation, because vibrations cause rocking of horizontal pole 51, guarantee that 6 stable accomodations of steel sheet are in holding tank 132, reach the effect of the transportation of stair body 1 of being convenient for.
Referring back to fig. 2 and 4, gaps are reserved between the limiting groove 32 and the steel plate 6, between the first positioning hole 111 and the first positioning part 221, and between the wavy side faces of the top platform 11 and the platform plate 21, which are in contact with each other, so that the stair body 1 can be finely adjusted relative to the position relationship between the platform plate 21 and the floor slab 3, and the assembly requirement specification of the stair body 1 can be reached through fine adjustment, so that the stair body 1 can be more accurately installed.
The implementation principle of the embodiment is as follows: the device is suspended above a transfer platform 2 and a floor slab 3, a first positioning hole 111, a first positioning piece 221, a second positioning hole 131 and a second positioning piece 31 are respectively aligned, the stair body 1 is descended, the first positioning piece 221 is inserted and embedded into the first positioning hole 111, the second positioning piece 31 is inserted and embedded into the second positioning hole 131, meanwhile, the top of the second positioning piece 31 jacks the end part of a horizontal rod 51 positioned in the second positioning hole 131, an elastic limiting piece 4 is also jacked along with the end part, finally, the horizontal rod 51 is completely separated from the abutting range of the elastic limiting piece 4, a steel plate 6 is inserted and embedded into a limiting groove 32 in a falling mode, the stair body 1 is measured through a horizontal ruler and the like, the installation accuracy is achieved through fine adjustment of the position of the stair body 1, concrete is poured between the stair body 1 and the gap between the floor slab 3 and the transfer platform 2, and concrete is poured into the first positioning hole 111 and the second positioning hole 131, accomplish the final fixed of stair body 1, reach the prefabricated stair transportation of being convenient for, increase prefabricated stair assembly fixed effect.
Example 2
A prefabricated staircase and an installation method thereof comprise the following steps:
s1: the prefabricated staircase body 1 is produced in an industrial mode, four-point hoisting is adopted, the staircase body 1 is suspended at the bottom of a lock chain, the diameter of a first positioning hole 111 is gradually increased from top to bottom, after the staircase body 1 is hoisted to be 300-500 mm above a transfer platform 2 and a floor slab 3, the position of the prefabricated floor slab 3 is adjusted, the first positioning hole 111 is aligned to a first positioning piece 221, and a second positioning hole 131 is aligned to a second positioning piece 31;
s2: lowering the lock chain to insert the first positioning piece 221 into the first positioning hole 111, insert the second positioning piece 31 into the second positioning hole 131, and position the wavy side surfaces of the top platform 11 and the platform plate 21 opposite to each other;
s3: in the process that the second positioning element 31 is inserted into the second positioning hole 131, the second positioning element 31 jacks one end of the horizontal rod 51 positioned inside the second positioning hole 131, when the horizontal rod 51 is jacked, the elastic limiting element 4 is compressed, the end part of the elastic limiting element 4 abutted against the outer wall of the horizontal rod 51 is inclined, the positioning rod 52 penetrates through the distance adjusting hole 511 on the horizontal rod 51, so that the horizontal rod 51 forms a lever principle, one end of the horizontal rod 51 positioned inside the accommodating groove 132 is pulled by the gravity of the steel plate 6, the horizontal rod 51 slides out of the abutting range of the elastic limiting element 4 in compliance with the inclined end part of the elastic limiting element 4, and the steel plate 6 is inserted into the limiting groove 32 in a downward;
s4: the accuracy of the placement position of the stair body 1 is measured through a horizontal ruler and other measuring instruments, gaps are reserved between the limiting groove 32 and the steel plate 6, between the first positioning hole 111 and the first positioning piece 221, and between the wavy side faces, in which the top platform 11 and the platform plate 21 are in contact with each other, so that the fine adjustment of the position relation of the stair body 1 relative to the platform plate 21 and the floor slab 3 is realized, and the assembly requirement specification of the stair body 1 is achieved through the fine adjustment;
s5: and pouring concrete into the first positioning hole 111 and the second positioning hole 131 and between the stair body 1 and the contact surface of the transfer platform 2 and the floor slab 3.
The implementation principle of the embodiment is as follows: after the stair body 1 is suspended above the position to be installed, the mutual positions of the first positioning hole 111, the second positioning hole 131, the first positioning piece 221 and the second positioning piece 31 are adjusted by adjusting the position of the stair body 1, the lower stair body 1 is arranged, the first positioning piece 221 is inserted and embedded in the first positioning hole 111 along with the inclined hole wall of the first positioning hole 111, the second positioning piece 31 is inserted and embedded in the second positioning hole 131, the second positioning piece 31 indirectly opens the falling of the steel plate 6, the steel plate 6 is inserted and embedded in the limiting groove 32, the stair body 1 is fixed and supported through supporting members such as external supporting steel pipes, measuring instruments such as a horizontal ruler are used for measuring the position of the stair body 1 after primary assembly, the assembly requirement of the stair body 1 is met through fine adjustment, concrete is poured between the stair body 1 and the floor slab 3 and the transfer platform 2, and concrete is poured into the first positioning hole 111 and the second positioning hole 131, accomplish the final fixed of stair body 1, reach the swift location assembly of this device, increase prefabricated stair assembly fixed effect.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (10)
1. The utility model provides a prefabricated staircase mounting structure, includes stair body (1), transfer platform (2) and floor (3), stair body (1) including slope ladder (12) and respectively fixed top platform (11) and the end platform (13) that set up at slope ladder (12) both ends, its characterized in that: a first positioning hole (111) is reserved on the top platform (11), a first positioning part (221) is pre-buried on the transfer platform (2), the first positioning part (221) is inserted into the first positioning hole (111), a second positioning hole (131) is reserved on the bottom platform (13), a second positioning part (31) is pre-buried on the floor (3), the second positioning hole (131) is used for inserting and embedding the second positioning part (31), the first positioning hole (111) and the second positioning hole (131) are both vertically formed, the bottom platform (13) is provided with an accommodating groove (132), the accommodating groove (132) is vertically formed, the bottom of the accommodating groove (132) is provided with the bottom platform (13), a gap is reserved between the bottom of the accommodating groove (132) and the bottom of the second positioning hole (131) to form a partition board (133), a through groove (134) is formed in the bottom platform (13), and the through groove (134) is horizontally formed and communicated with the tops of the second positioning hole (131) and the accommodating groove, lead to groove (134) bottom surface and partition panel (133) top surface and be same horizontal plane, it is fixed with elasticity locating part (4) to lead to groove (134) top surface, holding tank (132) internal rotation is provided with promotion subassembly (5), promotion subassembly (5) one end is located holding tank (132), the other end is located second locating hole (131), elasticity locating part (4) supply to promote subassembly (5) and are close to second locating hole (131) one end and support and press at partition panel (133) top, it is fixed with steel sheet (6) to promote subassembly (5) to be located holding tank (132) one end, steel sheet (6) outer wall and holding tank (132) inner wall butt, steel sheet (6) bottom surface and end platform (13) bottom surface parallel and level, spacing groove (32) have been seted up on floor (3), spacing groove (32) supply steel sheet (6) to insert and inlay.
2. A prefabricated staircase installation structure as claimed in claim 1, wherein: promote subassembly (5) including horizon bar (51), locating lever (52) and connecting seat (53), horizon bar (51) one end is deep into in second locating hole (131), the other end is located holding tank (132) inside and rotates with connecting seat (53) one end and is connected, connecting seat (53) other end and steel sheet (6) top surface fixed connection, roll adjustment hole (511) have been seted up on horizon bar (51), roll adjustment hole (511) are seted up along horizon bar (51) length direction, locating lever (52) run through roll adjustment hole (511) and just to inner wall fixed connection with holding tank (132) two, locating lever (52) and the horizontal projection mutually perpendicular of horizon bar (51).
3. A prefabricated staircase installation structure as claimed in claim 1, wherein: elasticity locating part (4) include outer tube (41), inner tube (43) and spring (42), outer tube (41) one end is fixed to be set up at logical groove (134) top surface, the inside embedding inner tube (43) of other end, outer tube (41) one end is kept away from in inner tube (43) seals and with horizon bar (51) outer wall butt, spring (42) are located inside outer tube (41) and inner tube (43), spring (42) one end and logical groove (134) top fixed connection, outer tube (41) one end fixed connection is kept away from with inner tube (43) to the other end.
4. A prefabricated staircase installation structure as claimed in claim 3, wherein: one end of the inner pipe (43) which is abutted with the horizontal rod (51) is inclined, and the inclined direction is arranged upwards in an inclined way from the direction far away from the second positioning hole (131).
5. A prefabricated staircase installation structure as claimed in claim 4, wherein: the end face of the inner tube (43) abutted to the horizontal rod (51) is an arc-shaped end face, and the radian of the arc-shaped end face is matched with the radian of the outer wall of the horizontal rod (51).
6. A prefabricated staircase installation structure as claimed in claim 1, wherein: a gap exists between the inner wall of the first positioning hole (111) and the outer wall of the first positioning piece (221), a gap exists between the inner wall of the limiting groove (32) and the side wall of the steel plate (6), and the tops of the first positioning hole (111) and the second positioning hole (131) are both opened with the outside.
7. A prefabricated staircase installation structure as claimed in claim 6, wherein: transfer platform (2) include landing slab (21) and accept board (22), landing slab (21) and the equal level setting of accepting board (22), landing slab (21) and accept board (22) bottom surface are located same horizontal plane, first locating piece (221) bottom and accept board (22) top surface fixed connection, first locating hole (111) interpolation inlays behind first locating piece (221), top platform (11) top surface and landing slab (21) top surface are located same horizontal plane, first locating hole (111) top-down aperture grow gradually.
8. A prefabricated staircase installation structure as claimed in claim 7, wherein: the side surfaces of the top platform (11) and the platform plate (21) which are contacted with each other are all wavy.
9. A prefabricated staircase installation structure as claimed in claim 8, wherein: and a gap exists between the side surfaces of the top platform (11) and the platform plate (21) which are contacted with each other.
10. A prefabricated staircase installation process comprises the following steps:
s1: the prefabricated stair body (1) is produced in an industrialized mode, four-point hoisting is selected, the stair body (1) is suspended above a floor slab (3) and a transfer platform (2), the aperture of a first positioning hole (111) is gradually increased from top to bottom, the first positioning hole (111) is aligned to a first positioning piece (221), and a second positioning hole (131) is aligned to a second positioning piece (31);
s2: the stair body (1) is lowered, so that the first positioning piece (221) is inserted into the first positioning hole (111), and meanwhile, the second positioning piece (31) is inserted into the second positioning hole (131);
s3: in the process that the second positioning piece (31) is inserted into the second positioning hole (131), the second positioning piece (31) jacks the horizontal rod (51) and is located at one end inside the second positioning hole (131), the horizontal rod (51) is jacked, the elastic limiting piece (4) is compressed, the end, abutted against the outer wall of the horizontal rod (51), of the elastic limiting piece (4) is inclined, the positioning rod (52) penetrates through a distance adjusting hole (511) in the horizontal rod (51), so that the horizontal rod (51) forms a lever principle, one end, located inside the accommodating groove (132), of the horizontal rod (51) is pulled by the gravity of the steel plate (6), the horizontal rod (51) follows the inclined end of the elastic limiting piece (4) to slide out of the abutting range of the elastic limiting piece (4), and the steel plate (6) falls along the same direction and is inserted into the limiting groove (32);
s4: the accuracy of the placement position of the stair body (1) is measured through a horizontal ruler and other measuring instruments, gaps are reserved between a limiting groove (32) and a steel plate (6), between a first positioning hole (111) and a first positioning piece (221), and between wavy side faces of a top platform (11) and a platform plate (21) which are contacted with each other, fine adjustment of the position relation of the stair body (1) relative to the platform plate (21) and a floor slab (3) is provided, and the assembly requirement specification of the stair body (1) is achieved through fine adjustment;
s5: and concrete is poured into the first positioning hole (111) and the second positioning hole (131) and between the stair body (1) and the contact surfaces of the transfer platform (2) and the floor slab (3).
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| WO2024124450A1 (en) * | 2022-12-14 | 2024-06-20 | 海能达通信股份有限公司 | Wireless communication device assembly and bracket assembly thereof |
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