CN214785470U - Green energy-saving assembled prefabricated staircase - Google Patents
Green energy-saving assembled prefabricated staircase Download PDFInfo
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- CN214785470U CN214785470U CN202120872242.5U CN202120872242U CN214785470U CN 214785470 U CN214785470 U CN 214785470U CN 202120872242 U CN202120872242 U CN 202120872242U CN 214785470 U CN214785470 U CN 214785470U
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Abstract
The utility model belongs to the technical field of the building construction, concretely relates to green energy-conserving assembled prefabricated staircase, including prefabricated staircase main part middle section, prefabricated staircase main part upper segment, prefabricated staircase main part hypomere, all set up adaptation installation embedded anchor pole on prefabricated staircase main part upper segment and the prefabricated staircase main part hypomere, the reservation anchor eye and the anchor slab mounting groove of stock tray, pre-buried stock connection wire rope both ends, prefabricated staircase main part middle section, prefabricated staircase main part upper segment, prefabricated staircase main part hypomere comprises steel fiber concrete layer and concrete surface course, prefabricated staircase main part upper segment and prefabricated staircase main part hypomere overlap joint respectively and set up the embedded steel bar hole of adaptation grafting embedded steel bar on last terraced roof beam and lower terraced roof beam, steel fiber concrete layer can cooperate wire rope to strengthen the bending strength and the shear strength of this staircase by a wide margin, effectively prevent the stair fracture, chiseling is handled and can cooperate pre-buried stock reinforcing prefabricated main part upper segment to strengthen the embedded steel bar, The connection strength of the lower section of the prefabricated staircase main body and the middle section of the prefabricated staircase main body.
Description
Technical Field
The utility model belongs to the technical field of the building construction, concretely relates to green energy-conserving assembled prefabricated staircase.
Background
The assembly type building can effectively reduce the wet operation amount of a construction site, reduce the labor cost, reduce the material waste to a certain extent, reduce the construction noise, the dust pollution, the construction waste and the sewage discharge, is favorable for energy conservation and environmental protection on the premise of ensuring the operation quality, and the assembly type building construction is a development trend of the future building industry. And the assembled stair is formed by splicing prefabricated parts on a construction site. The stair has the advantages of high building speed, small restriction by climatic conditions, labor saving and building quality improvement.
SUMMERY OF THE UTILITY MODEL
The existing prefabricated staircase has low structural strength, and the difference between the bending strength and the shearing strength is larger than that of the existing cast staircase, so that the design improvement of the existing prefabricated staircase is needed. The utility model provides a green energy-conserving assembled prefabricated stair, steel fibre concrete layer can cooperate wire rope to strengthen the bending strength and the shear strength of this stair by a wide margin, effectively prevents the stair fracture, and the chisel hair is handled and can be cooperated the joint strength in pre-buried stock reinforcing prefabricated stair main part upper segment, prefabricated stair main part hypomere and prefabricated stair main part middle section.
The utility model provides a following technical scheme: a green energy-saving fabricated stair comprises a prefabricated stair body middle section, a prefabricated stair body upper section and a prefabricated stair body lower section, wherein the side surfaces of the prefabricated stair body upper section and the prefabricated stair body lower section are respectively and fixedly connected with the upper end and the lower end of the prefabricated stair body middle section, reserved anchor holes matched with and provided with embedded anchor rods are respectively formed in the prefabricated stair body upper section and the prefabricated stair body lower section, one end of each reserved anchor hole is provided with an anchor plate mounting groove matched with and provided with an anchor plate tray fixedly connected with one end of each embedded anchor rod, the other end of each embedded anchor rod is fixedly connected with one end of a steel wire rope, the prefabricated stair body middle section, the prefabricated stair body upper section and the prefabricated stair body lower section are respectively composed of a steel fiber concrete layer and a concrete surface layer coated on the outer side of the steel fiber concrete layer, the bottom surfaces of the prefabricated stair body upper section and the prefabricated stair body lower section are respectively lapped on an upper ladder beam and a lower ladder beam, and the bottom of prefabricated staircase main part upper segment and prefabricated staircase main part hypomere all sets up the embedded bar hole of adaptation grafting embedded bar, the bottom fixed connection of embedded bar goes up terraced roof beam and terraced roof beam down.
Wherein the steel fiber filled in the steel fiber concrete layer has the specification of 20-40 mm in length and 0.5mm in thickness; the steel fiber concrete layer can greatly enhance the bending strength and the shearing strength of the stair as a main body structure, and effectively prevent the stair from being broken.
The prefabricated staircase comprises a prefabricated staircase body, a plurality of pre-buried anchor rods, a plurality of anchor plate mounting grooves, a plurality of prefabricated staircase bodies and a plurality of anchor plate mounting grooves, wherein the number of the pre-buried anchor holes is a plurality, the pre-buried anchor rods are horizontally arranged on the upper section of the prefabricated staircase body and the lower section of the prefabricated staircase body in an equal sequence, steel fiber reinforced concrete is filled between the pre-buried anchor rods and the pre-buried anchor rods, and the anchor plate mounting grooves penetrate through the side surfaces of the upper section of the prefabricated staircase body and the lower section of the prefabricated staircase body; the pre-buried stock of prefabricated seting up on prefabricated staircase main part upper segment and prefabricated staircase main part hypomere can make things convenient for producers to peg graft the installation pre-buried stock with the anchor slab mounting groove, accomplishes the orderly location construction of pre-buried stock.
The connecting surfaces of the upper section of the prefabricated staircase body and the lower section of the prefabricated staircase body, which are connected with the middle section of the prefabricated staircase body, are full chiseling surfaces; the roughening treatment can be matched with pre-buried anchor rods which are simultaneously buried in the middle section of the prefabricated staircase body, the upper section of the prefabricated staircase body and the lower section of the prefabricated staircase body to enhance the connection strength of the upper section of the prefabricated staircase body, the lower section of the prefabricated staircase body and the middle section of the prefabricated staircase body which are independently poured.
The steel wire rope is embedded in the steel fiber concrete layer and is positioned on a plane parallel to the bottom surface of the steel fiber concrete layer; the steel wire rope embedded in the steel fiber concrete layer can effectively enhance the shear strength of the stair with lower cost and prevent the stair from being broken.
The bottom surfaces of two ends of the middle section of the prefabricated staircase main body are respectively lapped on the upper ladder beam and the lower ladder beam; the upper ladder beam and the lower ladder beam can simultaneously support the middle section of the prefabricated stair body, the upper section of the prefabricated stair body and the lower section of the prefabricated stair body, and the middle section of the prefabricated stair body is prevented from being subjected to lifting force, so that the middle section of the prefabricated stair body is broken along with the connecting surface of the upper section of the prefabricated stair body and the lower section of the prefabricated stair body.
The utility model has the advantages that: the steel fiber concrete layer is used as a main structure, so that the bending strength and the shearing strength of the stair can be greatly enhanced, and the stair is effectively prevented from being broken; the pre-manufactured anchor holes and anchor plate mounting grooves which are pre-manufactured and arranged on the upper section of the prefabricated staircase main body and the lower section of the prefabricated staircase main body can facilitate the insertion and installation of pre-embedded anchor rods by production personnel, and the ordered positioning construction of the pre-embedded anchor rods is completed; the chiseling treatment can be matched with pre-buried anchor rods which are simultaneously buried in the middle section of the prefabricated staircase body, the upper section of the prefabricated staircase body and the lower section of the prefabricated staircase body to enhance the connection strength of the upper section of the prefabricated staircase body which is independently poured and the lower section of the prefabricated staircase body and the middle section of the prefabricated staircase body; the steel wire rope embedded in the steel fiber concrete layer can effectively enhance the shear strength of the stair with lower cost and prevent the stair from being broken; the upper ladder beam and the lower ladder beam can simultaneously support the middle section of the prefabricated stair body, the upper section of the prefabricated stair body and the lower section of the prefabricated stair body, and the middle section of the prefabricated stair body is prevented from being subjected to lifting force, so that the middle section of the prefabricated stair body is broken along with the connecting surface of the upper section of the prefabricated stair body and the lower section of the prefabricated stair body.
The parts of the device not involved are the same as or can be implemented using prior art.
Drawings
Fig. 1 is a front view of the present invention;
fig. 2 is a side sectional view of the first embodiment of the present invention;
fig. 3 is a side sectional view of the second embodiment of the present invention;
in the figure: 1. prefabricating the middle section of the stair main body; 101. a steel fiber concrete layer; 102. a concrete facing; 2. prefabricating the upper section of the stair main body; 201. reserving an anchor hole; 202. an anchor plate mounting groove; 3. prefabricating the lower section of the stair main body; 4. pre-burying an anchor rod; 401. an anchor rod tray; 5. a wire rope; 6. climbing a ladder beam; 7. descending the ladder beam; 8. and (6) embedding reinforcing steel bars.
Detailed Description
Referring to fig. 1-3, the present invention provides the following technical solutions: a green energy-saving fabricated stair comprises a fabricated stair main body middle section 1, a fabricated stair main body upper section 2 and a fabricated stair main body lower section 3, wherein the side surfaces of the fabricated stair main body upper section 2 and the fabricated stair main body lower section 3 are respectively and fixedly connected with the upper end and the lower end of the fabricated stair main body middle section 1, reserved anchor holes 201 for installing pre-embedded anchor rods 4 in a matching manner are respectively formed in the prefabricated stair main body upper section 2 and the prefabricated stair main body lower section 3, one end of each reserved anchor hole 201 is provided with an anchor plate installation groove 202 for installing an anchor plate tray 401 for fixedly connecting one end of each pre-embedded anchor rod 4 in a matching manner, the other end of each pre-embedded anchor rod 4 is fixedly connected with one end of a steel wire rope 5, and each of the fabricated stair main body middle section 1, the fabricated stair main body upper section 2 and the fabricated stair main body lower section 3 is composed of a steel fiber concrete layer 101 and a concrete surface layer 102 coated on the outer side of the steel fiber concrete layer 101, the bottom surfaces of the upper section 2 of the prefabricated staircase body and the lower section 3 of the prefabricated staircase body are respectively lapped on the upper ladder beam 6 and the lower ladder beam 7, the bottom of the upper section 2 of the prefabricated staircase body and the bottom of the lower section 3 of the prefabricated staircase body are provided with bar planting holes matched with the splicing embedded steel bars 8, and the bottom end of each embedded steel bar 8 is fixedly connected with the upper ladder beam 6 and the lower ladder beam 7.
The steel fiber filled in the steel fiber concrete layer 101 has the specification of 20-40 mm in length and 0.5mm in thickness; the steel fiber concrete layer 101 can greatly enhance the bending strength and the shearing strength of the stair as a main structure, and effectively prevent the stair from being broken.
The number of the reserved anchor holes 201 is multiple, the reserved anchor holes 201 and the prefabricated staircase main body upper section 2 and the prefabricated staircase main body lower section 3 are horizontally arranged in an equal sequence, steel fiber concrete is filled between the reserved anchor holes 201 and the embedded anchor rods 4, and the anchor plate mounting groove 202 penetrates through the side faces of the prefabricated staircase main body upper section 2 and the prefabricated staircase main body lower section 3; the reserved anchor holes 201 and the anchor plate mounting grooves 202 which are prefabricated and arranged on the upper section 2 and the lower section 3 of the prefabricated stair body can facilitate the insertion and installation of the embedded anchor rods 4 by production personnel, and the ordered positioning construction of the embedded anchor rods 4 is completed.
The connecting surfaces of the upper section 2 of the prefabricated staircase body and the lower section 3 of the prefabricated staircase body, which are connected with the middle section 1 of the prefabricated staircase body, are full chiseling surfaces; the roughening treatment can be matched with an embedded anchor rod 4 embedded in the middle section 1 of the prefabricated staircase body, the upper section 2 of the prefabricated staircase body and the lower section 3 of the prefabricated staircase body at the same time to enhance the connection strength of the upper section 2 of the prefabricated staircase body, the lower section 3 of the prefabricated staircase body and the middle section 1 of the prefabricated staircase body after independent filling.
Two ends of the steel wire rope 5 are fastened and connected with one end of the embedded anchor rod 4, and the steel wire rope 5 is embedded in the steel fiber concrete layer 101 and is positioned on a plane parallel to the bottom surface of the steel fiber concrete layer 101; the steel wire rope 5 buried in the steel fiber concrete layer 101 can effectively enhance the shear strength of the stair at a lower cost and prevent the stair from being broken.
The bottom surfaces of two ends of the middle section 1 of the prefabricated staircase main body are respectively lapped on an upper ladder beam 6 and a lower ladder beam 7; the upper stair beam 6 and the lower stair beam 7 can simultaneously support the prefabricated stair body middle section 1, the prefabricated stair body upper section 2 and the prefabricated stair body lower section 3, and avoid the prefabricated stair body middle section 1 from being subjected to lifting stress, so that the connection surface of the prefabricated stair body middle section 1, the prefabricated stair body upper section 2 and the prefabricated stair body lower section 3 is subjected to stress fracture.
The utility model discloses a theory of operation and use flow: when the stair is produced, the upper section 2 and the lower section 3 of the prefabricated stair body are respectively and independently poured through a mould to stably form the upper section 2 and the lower section 3 of the prefabricated stair body, then a roughening machine is used for carrying out full roughening treatment on the connecting surfaces of the upper section 2 and the lower section 3 of the prefabricated stair body and the middle section 1 of the prefabricated stair body, then one end of an embedded anchor rod 4 is inserted into a reserved anchor hole 201 reserved on the upper section 2 and the lower section 3 of the prefabricated stair body, then steel fiber concrete with the same proportion as that of the steel fiber concrete layer 101 is poured into the reserved anchor hole 201, after being dried and fixed, a bolt is used for fixing an anchor rod tray 401, then a fixed-length steel wire rope 5 is used for fixedly connecting the embedded anchor rod 4, and then the upper section 2 and the lower section 3 of the prefabricated stair body are placed into a pouring mould of the middle section 1 of the prefabricated stair body, clamping and fixing the upper section 2 of the prefabricated staircase body and the lower section 3 of the prefabricated staircase body to ensure the tension degree of a steel wire rope 5, pouring the middle section 1 of the prefabricated staircase body, and moving the staircase out of a mold after the middle section 1 of the prefabricated staircase body is dried; when laying this stair, will hoist and mount prefabricated stair main part upper segment 2 and the 3 embedded steel bars 8 that set up on the bottom surface of prefabricated stair main part hypomere of 1 both ends in aerial prefabricated stair main part middle section and put down can with the embedded steel bar pore pair on going up terraced roof beam 6 and the lower terraced roof beam 7.
Claims (6)
1. The utility model provides a green energy-conserving assembled prefabricated staircase which characterized in that: the prefabricated staircase comprises a prefabricated staircase main body middle section, a prefabricated staircase main body upper section and a prefabricated staircase main body lower section, wherein the side surfaces of the prefabricated staircase main body upper section and the prefabricated staircase main body lower section are respectively and fixedly connected with the upper end and the lower end of the prefabricated staircase main body middle section, reserved anchor holes matched with and provided with embedded anchor rods are respectively arranged on the prefabricated staircase main body upper section and the prefabricated staircase main body lower section, one end of each reserved anchor hole is provided with an anchor plate mounting groove matched with and provided with an anchor plate tray fixedly connected with one end of each embedded anchor rod, the other end of each embedded anchor rod is fixedly connected with one end of a steel wire rope, the prefabricated staircase main body middle section, the prefabricated staircase main body upper section and the prefabricated staircase main body lower section are respectively composed of a steel fiber concrete layer and a concrete surface layer coated on the outer side of the steel fiber concrete layer, the bottom surfaces of the prefabricated staircase main body upper section and the prefabricated staircase main body lower section are respectively lapped on an upper ladder beam and a lower ladder beam, and the bottom of prefabricated staircase main part upper segment and prefabricated staircase main part hypomere all sets up the embedded bar hole of adaptation grafting embedded bar, the bottom fixed connection of embedded bar goes up terraced roof beam and terraced roof beam down.
2. The green energy-saving fabricated stair of claim 1, wherein: the steel fiber filled in the steel fiber concrete layer has the specification of 20-40 mm in length and 0.5mm in thickness.
3. The green energy-saving fabricated stair of claim 1, wherein: the prefabricated staircase comprises a prefabricated staircase body, a plurality of reserved anchor holes, pre-buried anchor rods, anchor plate mounting grooves and prefabricated staircase bodies, wherein the number of the reserved anchor holes is multiple, the reserved anchor holes are horizontally arranged on the upper section of the prefabricated staircase body and the lower section of the prefabricated staircase body in an equal sequence, steel fiber reinforced concrete is filled between the reserved anchor holes and the pre-buried anchor rods, and the anchor plate mounting grooves penetrate through the side faces of the upper section of the prefabricated staircase body and the lower section of the prefabricated staircase body.
4. The green energy-saving fabricated stair of claim 1, wherein: the connecting surfaces of the upper section of the prefabricated staircase body, the lower section of the prefabricated staircase body and the middle section of the prefabricated staircase body are full chiseling surfaces.
5. The green energy-saving fabricated stair of claim 1, wherein: the two ends of the steel wire rope are fastened and connected with one end of the embedded anchor rod, and the steel wire rope is embedded in the steel fiber concrete layer and is located on a plane parallel to the bottom surface of the steel fiber concrete layer.
6. The green energy-saving fabricated stair of claim 1, wherein: the bottom surfaces of two ends of the middle section of the prefabricated staircase main body are respectively lapped on the upper ladder beam and the lower ladder beam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120872242.5U CN214785470U (en) | 2021-04-26 | 2021-04-26 | Green energy-saving assembled prefabricated staircase |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120872242.5U CN214785470U (en) | 2021-04-26 | 2021-04-26 | Green energy-saving assembled prefabricated staircase |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214785470U true CN214785470U (en) | 2021-11-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120872242.5U Active CN214785470U (en) | 2021-04-26 | 2021-04-26 | Green energy-saving assembled prefabricated staircase |
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|---|---|
| CN (1) | CN214785470U (en) |
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2021
- 2021-04-26 CN CN202120872242.5U patent/CN214785470U/en active Active
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