CN111411747A - Dual-purpose stair pre-member and assembling method thereof - Google Patents
Dual-purpose stair pre-member and assembling method thereof Download PDFInfo
- Publication number
- CN111411747A CN111411747A CN202010214787.7A CN202010214787A CN111411747A CN 111411747 A CN111411747 A CN 111411747A CN 202010214787 A CN202010214787 A CN 202010214787A CN 111411747 A CN111411747 A CN 111411747A
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- Prior art keywords
- stair
- connecting cylinder
- ladder
- construction
- piece
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Classifications
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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
- E04F11/032—Spiral stairways supported by a central column
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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
- E04F11/09—Tread-and-riser units
-
- 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
- E04F11/104—Treads
- E04F11/116—Treads of stone, concrete or like material or with an upper layer of stone or stone like material, e.g. ceramics, concrete; of glass or with an upper layer of glass
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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
Abstract
The invention relates to a dual-purpose stair prefabricated part and an assembling method thereof, belonging to the technical field of concrete prefabricated products, and comprising a stair piece, wherein the stair piece is in a shape of L, the stair piece comprises a top plate and side plates, the top plate and the side plates are mutually vertical, one side of the top end of the top plate, which is far away from the side plates, is provided with a fixing groove, the bottom end of each side plate is fixedly provided with a fixing lug, the fixing groove and the fixing lug are mutually matched, a plurality of stair pieces are assembled into a single-run stair, the stair is suitable for places with larger space, two ends of each side plate are respectively and fixedly provided with a first connecting cylinder and a second connecting cylinder, a vertical support rod penetrates through the first connecting cylinder, the first connecting cylinders penetrate and are connected onto the support rod, and an operator sequentially rotates the stair pieces along the same direction to assemble into a spiral stair shape, so that the stair is suitable.
Description
Technical Field
The invention relates to the technical field of concrete prefabricated products, in particular to a dual-purpose stair prefabricated component and an assembling method of the stair prefabricated component.
Background
The stairs are members for vertical traffic between floors in a building and are used for traffic connection between floors and when the height difference is large. At present, the reinforced concrete stairs are most commonly applied, the construction method of the reinforced concrete stairs comprises a field pouring method and a prefabricating and assembling method, the field pouring stair has better rigidity, but the template has high consumption and longer construction period, grooves are manually cut on the surface of the stairs to be roughened, the labor and the effort are wasted, and the phenomena of sewage, dust and noise are serious. The prefabricated staircase is prefabricated and formed in advance in a factory, is directly installed after arriving at a construction site, does not need to support a template and water for maintenance, saves water resources and maintenance time, and is beneficial to shortening the construction period.
The current chinese patent with publication number CN209670222U discloses a prefabricated staircase, including support frame and step, the support frame includes the backup pad of slope and two horizontally mounting panels, and two mounting panels are located the both ends of backup pad respectively, are provided with the installation preformed hole on the mounting panel. The step is right angle trapezoidal body, and the inclined plane of step is the same with the inclination of backup pad, and the fixed muscle of fixed step of fixedly connected with in the backup pad sets up the fixed orifices with fixed muscle matched with on the inclined plane of step.
The above prior art solutions have the following drawbacks: although above-mentioned prefabricated staircase can assemble into single-track stair, is applicable to the great place of installation space, when the installation space is less, above-mentioned prefabricated staircase can't be installed, need prepare the template of spiral stair again to be applicable to the installation place that the space is less, so above-mentioned prefabricated staircase's application scope is less.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a dual-purpose stair pre-member and an assembling method thereof, which have the effect of wide application range.
The above object of the present invention is achieved by the following technical solutions:
the utility model provides a dual-purpose formula stair are component in advance, includes the ladder piece, the ladder piece is "L" font, and the ladder piece includes roof and curb plate, and the top of curb plate is arranged in to roof and curb plate mutually perpendicular and roof, and the both ends of curb plate have set firmly vertical connecting cylinder one, connecting cylinder two respectively.
Through adopting above-mentioned technical scheme, the ladder piece is formed by concrete placement, when the installation space of stair is great, assembles the ladder piece into the single race stair, when the installation space of stair is less, with a connecting cylinder vertical installation of ladder piece one side together to use a connecting cylinder as the rotation axis center, rotate along same direction, constitute spiral stair, make the ladder piece have great application scope.
The present invention in a preferred example may be further configured to: and a vertical supporting rod penetrates through the first connecting cylinder.
Through adopting above-mentioned technical scheme, when the ladder was assembled into spiral stair, the bracing piece was vertical to pass in a plurality of connecting cylinder, played the effect of fixed ladder position.
The present invention in a preferred example may be further configured to: the top end of the first connecting cylinder is fixedly provided with a connecting convex block, and the bottom end of the first connecting cylinder is fixedly provided with a connecting groove.
Through adopting above-mentioned technical scheme, when the ladder was assembled into spiral stair, the shape size of connecting the lug was corresponding with the shape size of connecting groove, and in the connecting groove of connecting lug inserted the top, played the effect that further improves and be connected stability between ladder and the ladder.
The present invention in a preferred example may be further configured to: a connecting rod penetrates through the second connecting cylinder, and a supporting seat arranged below the second connecting cylinder is arranged on the connecting rod.
Through adopting above-mentioned technical scheme, when spiral stair were assembled to the ladder, the one end of connecting plate has set firmly the supporting seat, and the one end that the supporting seat was kept away from to the connecting rod is connected on the ceiling on spiral stair upper strata, and connecting cylinder two mutually supports with the supporting seat, further improves spiral stair's stability, and the connecting rod can also play the effect of guardrail, protects pedestrian's safety.
The present invention in a preferred example may be further configured to: and one side of the top end of the top plate, which is far away from the side plate, is fixedly provided with a limiting convex block.
Through adopting above-mentioned technical scheme, when the ladder was assembled into spiral stair, a plurality of ladder used connecting cylinder one as the rotation axis center, rotated around same direction, when the ladder of ladder top rotated certain angle, the bottom of ladder will contradict with spacing lug, and spacing lug plays the effect of injecing ladder turned angle.
The present invention in a preferred example may be further configured to: one side of the top end of the top plate, which is far away from the side plate, is provided with a fixed groove, and the bottom end of the side plate is fixedly provided with a fixed lug.
Through adopting above-mentioned technical scheme, the shape size of fixed lug slightly is less than the shape size of fixed recess to in the operator inserts fixed lug fixed recess, when the ladder spare was assembled into the single race stair, fixed lug inserted the fixed recess of below, fixed recess and fixed lug mutually supported, played the effect that improves connection stability between the ladder spare.
The present invention in a preferred example may be further configured to: the bottom end of the fixing groove is provided with a first buffer gasket, and the bottom end of the fixing lug is provided with a second buffer gasket.
Through adopting above-mentioned technical scheme, buffer spacer one and buffer spacer two are the rubber material, have elasticity, play buffering and absorbing effect, and then the fixed recess of protection and fixed lug.
The present invention in a preferred example may be further configured to: the connecting plates are arranged on two sides of the ladder respectively, one side, close to the ladder, of each connecting plate is provided with a connecting groove, and the connecting cylinder I and the connecting cylinder II are arranged in the connecting grooves.
Through adopting above-mentioned technical scheme, when the ladder piece was assembled into the single race stair, the connecting plate had improved the stability of connecting between a plurality of ladder piece, and the spread groove is all arranged in to connecting cylinder one, connecting cylinder two, and the spread groove plays the effect of depositing and supporting connecting cylinder one, connecting cylinder two.
The present invention in a preferred example may be further configured to: and a guardrail is arranged at the top end of the connecting plate.
Through adopting above-mentioned technical scheme, when the ladder spare was assembled into the single race stair, the guardrail played the effect of protection pedestrian's safety.
In view of the shortcomings of the prior art, a second object of the present invention is to provide a method for assembling a stair pre-member.
The technical purpose of the invention is realized by the following technical scheme: a method of assembling a stair pre-member, comprising the steps of:
step one, when the installation space for installing the stair pre-component is small, the stair pre-component is assembled into the spiral stair, the support rod sequentially penetrates through the first connecting cylinders, the connecting lugs are inserted into the connecting grooves, then the ladder pieces rotate around the support rod along the same direction until the side plates abut against the limiting lugs, and finally the connecting rod penetrates through the second connecting cylinders until the supporting seat abuts against the bottom ends of the second connecting cylinders, so that the spiral stair is assembled.
And step two, when the installation space for installing the stair pre-component is large, the stair pre-component is assembled into the single-run stair, a plurality of stair pieces are installed together, the fixing convex blocks are inserted into the fixing grooves, the two connecting plates are installed on the two sides of the stair pieces respectively, the first connecting cylinder and the second connecting cylinder are inserted into the connecting grooves respectively, and finally the guardrail is installed to complete the assembly of the single-run stair.
By adopting the technical scheme, before the stair pre-construction member is assembled by an operator, the matched stair type is selected according to the size of the installation space of an actual site, and then the stair piece is assembled.
In summary, the invention includes at least one of the following beneficial technical effects:
1. the spiral stair is formed by the steps, the connecting cylinders I and the connecting cylinders II in a pouring mode, when the installation space of the stair is large, the steps are assembled into the single-run stair, when the installation space of the stair is small, the connecting cylinders I on one side of the steps are vertically installed together, the connecting cylinders I serve as rotating axes and rotate in the same direction to form the spiral stair, and therefore the steps have a large application range;
2. before assembling the stair pre-component, an operator selects a suitable stair type according to the size of an installation space of an actual site and then assembles the stair piece.
Drawings
Fig. 1 is a schematic structural diagram of the embodiment.
Fig. 2 is a schematic structural view of the spiral staircase in the embodiment.
Fig. 3 is a sectional view of the connecting rod and the supporting rod in the embodiment.
Fig. 4 is a cross-sectional view of the ladder in the embodiment.
Fig. 5 is a schematic structural view of the single-run stair in the embodiment.
In the figure, 1, a ladder; 11. a top plate; 111. a limiting bump; 112. fixing the groove; 12. a side plate; 121. fixing the bump; 2. a first connecting cylinder; 21. a connection bump; 22. a connecting groove; 3. a second connecting cylinder; 4. a support bar; 5. a connecting rod; 51. a supporting seat; 6. a connecting plate; 61. connecting grooves; 7. a guardrail; 8. a first buffer spacer; 9. and a second buffer gasket.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The first embodiment is as follows:
referring to fig. 1, the dual-purpose stair prefabricated part disclosed by the invention comprises a stair 1, wherein the stair 1 is formed by pouring concrete, the stair 1 is in a shape of L, the stair 1 comprises a top plate 11 and side plates 12, the top plate 11 and the side plates 12 are both in rectangular plate shapes, the top plate 11 and the side plates 12 are perpendicular to each other, the top plate 11 is arranged above the side plates 12, two ends of the side plates 12 are respectively and fixedly provided with a first vertical connecting cylinder 2 and a second vertical connecting cylinder 3, the first connecting cylinder 2 and the second connecting cylinder 3 are made of metal materials and are hollow, when the installation space of the stair is large, the stair 1 is assembled into a single-run stair, when the installation space of the stair is small, the first connecting cylinders 2 on one side of the stair 1 are vertically installed together, and the first connecting cylinders 2 serve as rotating axes and rotate in the same direction to form a spiral stair, and the application range of the stair 1 is enlarged.
Referring to fig. 2 and 3, when the installation space of the stair is small, the stair 1 is assembled into the spiral stair, the top end of the first connecting cylinder 2 is fixedly provided with a hollow connecting convex block 21, the bottom end of the first connecting cylinder 2 is fixedly provided with a connecting groove 22, the first connecting cylinder 2 and the connecting convex block 21 are communicated with each other, and the shape and the size of the connecting convex block 21 correspond to the shape and the size of the connecting groove 22. When the connecting convex block 21 is inserted into the connecting groove 22 above, the connecting convex block 21 is matched with the connecting groove 22, and the connecting stability between the ladder 1 and the ladder 1 is further improved. Wear to be equipped with vertical bracing piece 4 in the connecting cylinder 2, two floors about the both ends of bracing piece 4 are connected, and bracing piece 4 passes connecting lug 21 and connecting groove 22, and bracing piece 4 is vertical passes in a plurality of connecting cylinder 2, connecting lug 21, the connecting groove 22, further fixed ladder 1's position.
Referring to fig. 2 and 3, wear to be equipped with vertical connecting rod 5 in the connecting cylinder two 3, the one end of connecting rod 5 has set firmly square supporting seat 51, and two 3 below of connecting cylinder are arranged in to supporting seat 51, and the last floor at spiral stair is connected to the one end that supporting seat 51 was kept away from to connecting rod 5, and two 3 and supporting seat 51 mutually support, further improve spiral stair's stability, and connecting rod 5 can also play the effect of guardrail, and then protects pedestrian's safety.
Referring to fig. 3 and 4, the bottom end of the side plate 12 is fixedly provided with an elongated fixing bump 121, the bottom end of the fixing bump 121 is provided with a second buffer spacer 9, and the second buffer spacer 9 is made of rubber and has elasticity. When the fixing protrusion 121 is disposed on the top plate 11, the second buffer spacer 9 plays a role of buffering and shock absorption, thereby protecting the fixing protrusion 121.
Referring to fig. 3 and 4, one side of the top end of the top plate 11, which is far away from the side plate 12, is fixedly provided with a long-strip-shaped limiting bump 111, the plurality of ladder pieces 1 rotate around the same direction by using the connecting cylinder one 2 as a rotating axis, when the ladder pieces 1 above the ladder pieces 1 rotate by a certain angle, the bottom ends of the ladder pieces 1 are abutted against the limiting bump 111, and the limiting bump 111 plays a role in limiting the rotating angle of the ladder pieces 1.
Referring to fig. 4, when the installation space of the staircase is small, the staircase 1 is assembled into a single-run staircase, one side of the top end of the top plate 11, which is far away from the side plate 12, is provided with a long fixing groove 112, and the shape and size of the fixing protrusion 121 is slightly smaller than that of the fixing groove 112, so that an operator can insert the fixing protrusion 121 into the fixing groove 112. Install buffer spacer 8 on the bottom of fixed recess 112, buffer spacer 8 is the rubber material, has elasticity, plays buffering and absorbing effect, and in fixed recess 112 of fixed lug 121 inserted below, buffer spacer 8 cushions each other with buffer spacer two 9, and then protects fixed recess 112 and fixed lug 121. The fixing grooves 112 and the fixing protrusions 121 cooperate with each other to further improve the stability of the connection between the ladder pieces 1.
Referring to fig. 1 and 5, connecting plates 6 are respectively installed on both sides of the ladder 1, and both ends of the connecting plates 6 are respectively connected to an upper floor and a lower floor. Connecting groove 61 has been seted up to one side that connecting plate 6 is close to ladder 1, and connecting cylinder 2, connecting cylinder two 3 all arrange connecting groove 61 in, and connecting plate 6 has improved the stability of connecting between a plurality of ladder 1. The connecting cylinder I2 and the connecting cylinder II 3 are arranged in the connecting groove 61, and the connecting groove 61 plays a role in storing and supporting the connecting cylinder I2 and the connecting cylinder II 3. The top of connecting plate 6 sets firmly guardrail 7, and guardrail 7 has the effect of protection pedestrian's safety.
The implementation principle of the embodiment is as follows: before the prefabricated component of equipment stair, earlier according to the size of actual place installation space, choose for use the stair type that suits, when the installation space of stair is great, assemble into single race stair with ladder 1, when the installation space of stair is less, constitute spiral stair, and then increased ladder 1's application scope.
Example two:
a method of assembling a stair pre-member, comprising the steps of:
firstly, an operator selects a suitable stair type according to the size of an installation space of an actual site before assembling the stair prefabricated part. When the installation space of installation stair prefabricate component is less, assemble into spiral stair with stair prefabricate component, pass a plurality of connecting cylinder one 2 with bracing piece 4 in proper order earlier, insert connecting lug 21 in connecting groove 22, rotate a plurality of ladder 1 along same direction around bracing piece 4 again, conflict spacing lug 111 until curb plate 12, pass connecting rod 5 connecting cylinder two 3 at last, conflict with the bottom of connecting cylinder two 3 until supporting seat 51, install on the ceiling of top layer on the top of connecting rod 5's top, accomplish spiral stair's equipment.
Step two, when the installation space for installing the stair pre-component is large, the stair pre-component is assembled into the single-run stair, the plurality of ladder pieces 1 are installed together, the fixing bump 121 of the ladder piece 1 above is inserted into the fixing groove 112 of the ladder piece 1 below, the two connecting plates 6 are installed on two sides of the ladder piece 1 respectively, the connecting cylinder I2 and the connecting cylinder II 3 are inserted into the connecting groove 61 respectively, and finally the guardrail 7 is installed to complete the assembly of the single-run stair.
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. A dual-purpose stair pre-member comprises a stair piece (1) and is characterized in that the stair piece (1) is shaped like 'L', the stair piece (1) comprises a top plate (11) and side plates (12), the top plate (11) and the side plates (12) are perpendicular to each other, the top plate (11) is arranged above the side plates (12), and two vertical connecting cylinders I (2) and II (3) are fixedly arranged at two ends of each side plate (12) respectively.
2. The convertible stair pre-construction of claim 1, wherein: a vertical supporting rod (4) penetrates through the connecting cylinder I (2).
3. The convertible stair pre-construction of claim 2, wherein: the top end of the first connecting cylinder (2) is fixedly provided with a connecting convex block (21), and the bottom end of the first connecting cylinder (2) is fixedly provided with a connecting groove (22).
4. The convertible stair pre-construction of claim 1, wherein: a connecting rod (5) penetrates through the second connecting cylinder (3), and a supporting seat (51) arranged below the second connecting cylinder (3) is arranged on the connecting rod (5).
5. The convertible stair pre-construction of claim 1, wherein: and a limiting convex block (111) is fixedly arranged on one side of the top end of the top plate (11) far away from the side plate (12).
6. The convertible stair pre-construction of claim 1, wherein: one side of the top end of the top plate (11) far away from the side plate (12) is provided with a fixing groove (112), and the bottom end of the side plate (12) is fixedly provided with a fixing lug (121).
7. The convertible stair pre-construction of claim 6, wherein: the bottom end of the fixing groove (112) is provided with a first buffer gasket (8), and the bottom end of the fixing bump (121) is provided with a second buffer gasket (9).
8. The convertible stair pre-construction of claim 1, wherein: the connecting device is characterized in that connecting plates (6) are respectively arranged on two sides of the ladder piece (1), a connecting groove (61) is formed in one side, close to the ladder piece (1), of each connecting plate (6), and a first connecting cylinder (2) and a second connecting cylinder (3) are arranged in the connecting groove (61).
9. The convertible stair pre-construction of claim 8, wherein: and a guardrail (7) is arranged at the top end of the connecting plate (6).
10. A method of assembling a stair pre-construction element, comprising the steps of:
step one, when the installation space for installing the stair prefabricated part is small, the stair prefabricated part is assembled into a spiral stair, the support rod (4) sequentially penetrates through a plurality of first connecting cylinders (2), the connecting lug blocks (21) are inserted into the connecting grooves (22), then a plurality of ladder pieces (1) rotate around the support rod (4) along the same direction until the side plates (12) abut against the limiting lug blocks (111), and finally the connecting rod (5) penetrates through a second connecting cylinder (3) until the supporting seat (51) abuts against the bottom end of the second connecting cylinder (3), so that the spiral stair is assembled;
step two, when the installation space for installing the stair pre-component is large, the stair pre-component is assembled into the single-run stair, the plurality of ladder pieces (1) are installed together, the fixing bump (121) is inserted into the fixing groove (112), the two connecting plates (6) are installed on two sides of each ladder piece (1) respectively, the connecting cylinders I (2) and the connecting cylinders II (3) are inserted into the connecting grooves (61) respectively, and finally the guardrails (7) are installed to complete the assembly of the single-run stair.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010214787.7A CN111411747A (en) | 2020-03-24 | 2020-03-24 | Dual-purpose stair pre-member and assembling method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010214787.7A CN111411747A (en) | 2020-03-24 | 2020-03-24 | Dual-purpose stair pre-member and assembling method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN111411747A true CN111411747A (en) | 2020-07-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010214787.7A Pending CN111411747A (en) | 2020-03-24 | 2020-03-24 | Dual-purpose stair pre-member and assembling method thereof |
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| Country | Link |
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| CN (1) | CN111411747A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2606865A1 (en) * | 1976-02-20 | 1977-08-25 | Schneider & Klippel Kg | Concrete interlocking step for stadium terraces - has L-shaped block with vertical shank top groove for seal and horizontal shank underside cutouts |
| CN201011069Y (en) * | 2007-03-06 | 2008-01-23 | 刘喜江 | Rotary stairway |
| CN205531085U (en) * | 2016-01-21 | 2016-08-31 | 三新房屋制造股份有限公司 | Combined assembled type stairway |
-
2020
- 2020-03-24 CN CN202010214787.7A patent/CN111411747A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2606865A1 (en) * | 1976-02-20 | 1977-08-25 | Schneider & Klippel Kg | Concrete interlocking step for stadium terraces - has L-shaped block with vertical shank top groove for seal and horizontal shank underside cutouts |
| CN201011069Y (en) * | 2007-03-06 | 2008-01-23 | 刘喜江 | Rotary stairway |
| CN205531085U (en) * | 2016-01-21 | 2016-08-31 | 三新房屋制造股份有限公司 | Combined assembled type stairway |
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Application publication date: 20200714 |