CN215054718U

CN215054718U - Prefabricated staircase

Info

Publication number: CN215054718U
Application number: CN202121488236.6U
Authority: CN
Inventors: 叶锋; 陈本锋
Original assignee: Fujian Jinhuading Technology Co ltd
Current assignee: Fujian Jinhuading Technology Co ltd
Priority date: 2021-06-30
Filing date: 2021-06-30
Publication date: 2021-12-07
Anticipated expiration: 2031-06-30

Abstract

The application discloses a prefabricated staircase, which relates to the technical field of staircases and solves the problem of longer concrete construction period, and comprises a first mounting seat arranged on an upper floor slab, a second mounting seat arranged on a lower floor slab and a supporting column obliquely arranged between the first mounting seat and the second mounting seat, wherein one end of the supporting column is fixedly connected with the first mounting seat, and the other end of the supporting column is fixedly connected with the second mounting seat; a plurality of stair pieces are arranged on the supporting column at equal intervals along the length direction of the supporting column, each stair piece comprises a horizontal part extending along the horizontal direction and a vertical part extending along the vertical direction, and one end, far away from the vertical part, of each horizontal part is provided with a lap joint plate; a clamping groove is formed between the lapping plate and the horizontal part and is used for clamping the vertical parts of the adjacent stair pieces; a fixing component used for fixing the stair piece on the first mounting seat and the second mounting seat respectively is arranged between the first mounting seat and the second mounting seat. This application can effectively shorten prefabricated staircase's construction cycle.

Description

Prefabricated staircase

Technical Field

The application relates to the technical field of stairs, in particular to a prefabricated stair.

Background

The stairs are channels which can enable people to smoothly go up and down two spaces; the traffic connection between floors and when the height difference is large can be provided; are often used as members for vertical traffic between floors in buildings.

The stair structure in the related art, as shown in fig. 1, includes a stair body 27 formed by casting, and upper and lower ends of the stair body 27 are respectively fixed on an upper floor 28 and a lower floor 29.

With respect to the related art in the above, the inventors consider that: when the stair body 27 is constructed, a mold is required to be molded and reinforced on site, then concrete is poured into the template, the template can be dismantled and the stair can be used after the concrete is solidified, and the construction period is long.

SUMMERY OF THE UTILITY MODEL

In order to improve the longer problem of concrete construction cycle, this application provides a prefabricated staircase.

The application provides a prefabricated staircase adopts following technical scheme:

a prefabricated staircase comprises a first mounting seat arranged on an upper floor slab, a second mounting seat arranged on a lower floor slab and a supporting column obliquely arranged between the first mounting seat and the second mounting seat, wherein one end of the supporting column is fixedly connected with the first mounting seat, and the other end of the supporting column is fixedly connected with the second mounting seat; the stair pieces are arranged on the supporting column at equal intervals along the length direction of the supporting column, each stair piece comprises a horizontal part extending along the horizontal direction and a vertical part extending along the vertical direction, and one end, far away from the vertical part, of each horizontal part is provided with a lap joint plate; a clamping groove is formed between the lapping plate and the horizontal part, and the clamping groove is used for clamping the vertical parts of the adjacent stair pieces; a fixing component for fixing the stair piece on the first mounting seat and the second mounting seat respectively is arranged between the first mounting seat and the second mounting seat; the both sides fixedly connected with of first mount pad is used for supporting the prefabricated ladder beam of stair piece, the one end and the second mount pad fixed connection of first mount pad are kept away from to prefabricated ladder beam.

Through adopting above-mentioned technical scheme, when the installation prefabricated staircase, the staff accessible is fixed the stair piece on the second mount pad by the fixed subassembly, and the staff installs a plurality of stair piece on the support column from bottom to top after that, and at last fixes last stair piece on first mount pad with the help of fixed subassembly again, can accomplish the installation to prefabricated staircase, has effectively shortened the construction cycle of prefabricated staircase.

Optionally, a first lap joint groove for a lap joint plate to lap against is formed in one side, close to the second mounting seat, of the first mounting seat; the fixed subassembly includes fixes the first bolt in first overlap joint groove with the lap-joint plate, offer the first mounting hole that is used for supplying first bolt to pass on the lap-joint plate, first screw hole that is used for supplying first bolt spiro union is offered to first overlap joint groove tank bottom.

Through adopting above-mentioned technical scheme, during the installation stair spare, the staff puts into first overlap joint groove with the lap-joint plate, passes first mounting hole and screws up first bolt in first screw hole with first bolt next, can fix stair spare on first mount pad.

Optionally, one side of the second mounting seat, which is close to the first mounting seat, is provided with a second overlapping groove for allowing the vertical portion to overlap, the fixing assembly further comprises a second bolt for fixing the vertical portion in the second overlapping groove, the vertical portion is provided with a second mounting hole for allowing the second bolt to pass through, and a second threaded hole for allowing the first bolt to be screwed is formed in the groove wall of the second overlapping groove.

Through adopting above-mentioned technical scheme, when installing the stair spare, the staff with vertical portion overlap joint in the second overlap joint groove, then pass the second mounting hole with the second bolt and screw up the second bolt, can install the stair spare on the second mount pad, the operation is comparatively simple.

Optionally, the prefabricated ladder beam is provided with a plurality of steps for supporting the horizontal part at equal intervals along the length direction of the prefabricated ladder beam, and a support plate is vertically arranged at one end of each step, which is far away from the prefabricated ladder beam; when the stair piece is installed on the support column, the support plate is abutted against one side of the horizontal part close to the vertical part.

Through adopting above-mentioned technical scheme, through the setting of backup pad, can provide vertical support to the both sides of horizontal part to improve overall structure's stability.

Optionally, a reinforcing component for reinforcing the connection strength between the stair piece and the supporting column is arranged between the supporting column and the stair piece.

Through adopting above-mentioned technical scheme, through the setting of reinforcement, can effectively improve the joint strength between stair spare and the support column to further improve overall structure's stability.

Optionally, the reinforcing assembly includes a plurality of first fixing rods arranged at equal intervals along the length direction of the supporting column, a second fixing rod opposite to the first fixing rod is arranged on one side of the vertical part and one side of the horizontal part close to the supporting column, and a tensioning member for connecting the first fixing rod and the second fixing rod is arranged between the first fixing rod and the second fixing rod.

Through adopting above-mentioned technical scheme, when the installation stair spare, the staff is taut between first dead lever and the second dead lever with the help of taut piece, makes and forms two triangle-shaped structures between stair spare, support column, first dead lever and the second dead lever, can decompose the vertical decurrent power that the horizontal part received, makes overall structure stability stronger.

Optionally, the tensioning member is an elastic buckle arranged at one end of the first fixing rod far away from the support column, the second fixing rod is provided with a first positioning groove for inserting the first fixing rod, and the bottom of the first positioning groove is provided with a second positioning groove matched with the elastic buckle.

Through adopting above-mentioned technical scheme, when fixed stair spare, the staff places stair spare in the support column top to go into first constant head tank with first dead lever and the same card of elasticity buckle, elasticity buckle takes place deformation and can gets into first constant head tank smoothly this moment, and when elasticity buckle got into first constant head tank completely, elasticity buckle reset and formed pegging graft with the second constant head tank, thereby accomplish the take-up to first dead lever and second dead lever.

Optionally, the elastic buckle is an elastic metal plate.

Through adopting above-mentioned technical scheme, adopt elasticity metal sheet as elasticity buckle, have simple structure, convenient operation's advantage.

In summary, the present application includes at least one of the following benefits:

1. the construction period of the prefabricated staircase can be effectively shortened;

2. through the setting of backup pad, can support the horizontal part, improve overall structure's stability.

Drawings

Fig. 1 is an overall structural view of the related art;

FIG. 2 is a schematic view of the overall structure of the present embodiment;

FIG. 3 is a schematic structural diagram of a support pillar according to the present embodiment;

FIG. 4 is an exploded view of the first threaded hole of the present embodiment;

FIG. 5 is an exploded view of the second threaded hole of the present embodiment;

FIG. 6 is an exploded view of the first positioning groove of the present embodiment;

FIG. 7 is a cross-sectional view of a second fixation rod embodying the present embodiments;

fig. 8 is an enlarged schematic view of the embodiment at a in fig. 7.

Description of reference numerals: 1. a first mounting seat; 2. a second mounting seat; 3. a support pillar; 4. a stair member; 5. a vertical portion; 6. a horizontal portion; 7. a lap plate; 8. a clamping groove; 9. a first overlapping groove; 10. a second overlapping groove; 11. prefabricating a ladder beam; 12. a first bolt; 13. a first mounting hole; 14. a first threaded hole; 15. a second bolt; 16. a second mounting hole; 17. a second threaded hole; 18. a support plate; 19. a first fixing lever; 20. a second fixing bar; 21. elastic buckle; 22. a first positioning groove; 23. a second positioning groove; 24. a step; 25. filling a flat plate; 26. a countersunk hole; 27. a stair body; 28. an upper floor slab; 29. and a lower floor.

Detailed Description

The present application is described in further detail below with reference to the attached drawings.

The embodiment of the application discloses prefabricated staircase. Referring to fig. 2 and 3, the prefabricated staircase includes a first installation base 1 provided on an upper floor 28 and a second installation base 2 provided on a lower floor 29. The first mounting base 1 is fixed on the upper floor 28 by bolt and screw connection, and the second mounting base 2 is fixed on the lower floor 29 by the same way. Support column 3 is obliquely arranged between first mounting seat 1 and second mounting seat 2, one end of support column 3 is welded in the middle of first mounting seat 1 and is welded fixedly, and the other end is welded in the middle of second mounting seat 2. Install a plurality of stair spare 4 on the support column 3, a plurality of stair spare 4 is along 3 length direction equidistant distributions of support column. The stair element 4 comprises a horizontal part 6 extending in a horizontal direction and a vertical part 5 extending in a vertical direction, and the horizontal part 6 and the vertical part 5 are of an integrally formed structure. One end of the horizontal part 6, which is far away from the vertical part 5, is provided with a lapping plate 7 extending along the horizontal direction, and the lapping plate 7 is of a rectangular structure. A clamping groove 8 is formed between the lapping plate 7 and the horizontal part 6 and used for clamping the vertical part 5 of the adjacent stair piece 4. Connect through the mode of end to end concatenation between the stair piece 4, can accomplish the concatenation of adjacent stair piece 4 through supporting vertical portion 5 tightly in joint groove 8, can effectively improve the joint strength between the adjacent stair piece 4.

Referring to fig. 4 and 5, a first overlapping groove 9 adapted to the overlapping plate 7 is formed in one side of the first mounting seat 1 close to the second mounting seat 2, and a second overlapping groove 10 overlapping with one end of the vertical part 5 away from the horizontal part 6 is formed in one side of the second mounting seat 2 close to the first mounting seat 1. Be provided with fixed subassembly between first mount pad 1 and the second mount pad 2, fixed subassembly can be fixed stair piece 4 at upper and lower both ends respectively on first mount pad 1 and second mount pad 2.

Further, referring to fig. 4, the fixing assembly includes a first bolt 12, a plurality of first mounting holes 13 for the first bolt 12 to pass through are formed on the lapping plate 7, and a first threaded hole 14 for the first bolt 12 to be screwed is formed at the bottom of the first lapping groove 9. When the lapping plate 7 is lapped in the first lapping groove 9, the first mounting hole 13 and the first threaded hole 14 are located at the same axial line position, at the moment, a worker can fix the lapping plate 7 on the first mounting seat 1 by screwing the first bolt 12 through the first mounting hole 13 and the first threaded hole 14. In order to improve the connection strength between the strap 7 and the first mounting seat 1, the number of the first bolts 12 is three in the present embodiment. It should be noted here that, in order to keep the upper floor 28 at a horizontal level, after the worker places the strap 7 in the first strap slot 9, the filling plate 25 needs to be placed in the clip slot 8, the size of the filling plate 25 is matched with that of the clip slot 8, and the filling plate 25 is provided with a countersunk hole 27 for the first bolt 12 to pass through.

Referring to fig. 5, the fixing assembly further includes a second bolt 15, a second mounting hole 16 is formed in the vertical portion 5, and a second threaded hole 17 for allowing the second bolt 15 to be screwed is formed in a groove wall of the second overlapping groove 10. When the vertical part 5 is abutted against the second overlapping groove 10, the second mounting hole 16 and the second threaded hole 17 are in the same axial position, and at the moment, the worker can fix the vertical part 5 on the second mounting seat 2 by screwing the second bolt 15 through the second mounting hole 16 and the second threaded hole 17. In the present embodiment, the number of the second bolts 15 is three.

Referring to fig. 6, both sides of the first mounting seat 1 are fixedly connected with a prefabricated ladder beam 11, and the other end of the prefabricated ladder beam 11 is fixedly connected with one side of the second mounting seat 2. It should be noted here that both ends of the prefabricated ladder beam 11 are fixed to the first and second mounting seats 1 and 2, respectively, by means of bolt screws. The prefabricated ladder beam 11 is integrally provided with a plurality of steps 24 arranged at equal intervals along the length direction thereof for supporting the horizontal part 6. The end of the step 24 remote from the precast ladder beam 11 is vertically provided with a support plate 18 extending horizontally towards the support column 3. When the staff installs stair 4 on support column 3, the both ends that horizontal part 6 is close to one side of vertical portion 5 offset with the backup pad 18 on two prefabricated ladder beams 11 respectively for backup pad 18 can support horizontal part 6, improves overall structure's stability.

Referring to fig. 6 and 7, a reinforcing assembly is provided between the support column 3 and the stair element 4. The reinforcing component can improve the connection strength between the stair piece 4 and the support column 3, so that the overall structural stability of the prefabricated stair is improved.

Further, referring to fig. 7 and 8, the reinforcing component includes a plurality of first fixing rods 19 vertically disposed on the supporting column 3, and the plurality of first fixing rods 19 are disposed at equal intervals along the length direction of the supporting column 3. A second fixing rod 20 is arranged at the joint of the vertical part 5 and the horizontal part 6, and a tensioning piece is arranged between the first fixing rod 19 and the second fixing rod 20 and used for connecting the first fixing rod 19 and the second fixing rod 20. Specifically, the tensioning member is an elastic buckle 21 arranged at one end of the first fixing rod 19 far away from the supporting column 3, a first positioning groove 22 used for clamping the elastic buckle 21 and the first fixing rod 19 is formed in the second fixing rod 20, the size of the cross section of the first positioning groove 22 is larger than that of the cross section of the first fixing rod 19, but smaller than that of the maximum cross section of the first fixing rod 19 and the elastic buckle 21, and a second positioning groove 23 matched with the elastic buckle 21 is formed in the groove wall of the first positioning groove 22. Here, it is to be noted that the elastic catch 21 is made of an elastic metal plate.

When elasticity buckle 21 got into first constant head tank 22, elasticity buckle 21 takes place deformation, makes first dead lever 19 and elasticity buckle 21 can get into first constant head tank 22 smoothly, and when elasticity buckle 21 got into first constant head tank 22 completely, elasticity buckle 21 reseed and the card was gone into second constant head tank 23. When elastic buckle 21 got into second constant head tank 23 completely, formed a triangle-shaped structure between horizontal part 6, support column 3, first dead lever 19 and the second dead lever 20, it is relative, also form a triangle-shaped structure between vertical portion 5, support column 3, first dead lever 19 and the second dead lever 20, can decompose the power in the vertical direction that horizontal part 6 received to improve prefabricated staircase overall structure's stability.

The implementation principle of this application embodiment prefabricated staircase does:

when the prefabricated staircase is installed, the staff can be leaned on the vertical part 5 on the second overlap joint groove 10, the lower extreme of the horizontal part 6 offsets with the backup pad 18 at this moment, then go into the second constant head tank 23 with the complete card of elastic buckle 21, then the staff screws up the second bolt 15 again, then from bottom to top install a plurality of stair piece 4 on the support column 3 in proper order, put into first overlap joint groove 9 and screw up first bolt 12 with the overlap joint plate 7 of the top at last, can accomplish the installation to prefabricated staircase.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A prefabricated staircase, its characterized in that: the floor structure comprises a first mounting seat (1) arranged on an upper floor (28), a second mounting seat (2) arranged on a lower floor (29) and a supporting column (3) obliquely arranged between the first mounting seat (1) and the second mounting seat (2), wherein one end of the supporting column (3) is fixedly connected with the first mounting seat (1), and the other end of the supporting column is fixedly connected with the second mounting seat (2); a plurality of stair pieces (4) are arranged on the supporting column (3) at equal intervals along the length direction of the supporting column, each stair piece (4) comprises a horizontal part (6) extending along the horizontal direction and a vertical part (5) extending along the vertical direction, and one end, far away from the vertical part (5), of the horizontal part (6) is provided with a lap joint plate (7); a clamping groove (8) is formed between the lapping plate (7) and the horizontal part (6), and the clamping groove (8) is used for clamping the vertical part (5) of the adjacent stair piece (4); a fixing component for fixing the stair piece (4) on the first mounting seat (1) and the second mounting seat (2) respectively is arranged between the first mounting seat (1) and the second mounting seat (2); the two sides of the first mounting seat (1) are fixedly connected with prefabricated ladder beams (11) used for supporting the stair piece (4), and one end, far away from the first mounting seat (1), of each prefabricated ladder beam (11) is fixedly connected with the second mounting seat (2).

2. A prefabricated staircase according to claim 1, characterized in that: a first lap joint groove (9) for a lap joint plate (7) to lap against is formed in one side, close to the second mounting seat (2), of the first mounting seat (1); the fixing assembly comprises a first bolt (12) for fixing the lapping plate (7) in the first lapping groove (9), a first mounting hole (13) for the first bolt (12) to pass through is formed in the lapping plate (7), and a first threaded hole (14) for the first bolt (12) to be screwed is formed in the bottom of the first lapping groove (9).

3. A prefabricated staircase according to claim 1, characterized in that: one side of the second mounting seat (2) close to the first mounting seat (1) is provided with a second overlapping groove (10) for supplying the vertical part (5) to overlap, the fixing assembly further comprises a second bolt (15) for fixing the vertical part (5) in the second overlapping groove (10), a second mounting hole (16) for allowing the second bolt (15) to pass is formed in the vertical part (5), and a second threaded hole (17) for allowing the first bolt (12) to be screwed is formed in the groove wall of the second overlapping groove (10).

4. A prefabricated staircase according to claim 1, characterized in that: a plurality of steps (24) for supporting the horizontal part (6) are arranged at equal intervals along the length direction of the prefabricated ladder beam (11), and a supporting plate (18) is vertically arranged at one end, far away from the prefabricated ladder beam (11), of each step (24); when the stair piece (4) is installed on the supporting column (3), the supporting plate (18) is abutted against one side of the horizontal part (6) close to the vertical part (5).

5. A prefabricated staircase according to claim 1, characterized in that: a reinforcing component used for reinforcing the connection strength between the stair piece (4) and the supporting column (3) is arranged between the supporting column (3) and the stair piece (4).

6. A prefabricated staircase according to claim 5, characterized in that: the reinforcing component comprises a plurality of first fixing rods (19) which are arranged at equal intervals along the length direction of the supporting column (3), one sides, close to the supporting column (3), of the vertical part (5) and the horizontal part (6) are provided with second fixing rods (20) opposite to the first fixing rods (19), and tensioning pieces used for connecting the first fixing rods (19) and the second fixing rods (20) are arranged between the first fixing rods (19) and the second fixing rods (20).

7. A prefabricated staircase according to claim 6, characterized in that: the tensioning piece is an elastic buckle (21) arranged at one end, far away from the supporting column (3), of the first fixing rod (19), a first positioning groove (22) for inserting the first fixing rod (19) is formed in the second fixing rod (20), and a second positioning groove (23) matched with the elastic buckle (21) is formed in the bottom of the first positioning groove (22).

8. A prefabricated staircase according to claim 7, characterized in that: the elastic buckle (21) is an elastic metal plate.