CN111535529A - Assembled stair and construction process thereof - Google Patents
Assembled stair and construction process thereof Download PDFInfo
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- CN111535529A CN111535529A CN202010393207.5A CN202010393207A CN111535529A CN 111535529 A CN111535529 A CN 111535529A CN 202010393207 A CN202010393207 A CN 202010393207A CN 111535529 A CN111535529 A CN 111535529A
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- deflector
- groove
- mounting groove
- staircase
- guide
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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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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Steps, Ramps, And Handrails (AREA)
Abstract
The invention discloses an assembly type stair, which relates to the technical field of constructional engineering, and comprises a prefabricated stair, two stair beams for connecting the upper end and the lower end of the prefabricated stair, and further comprises: the two connecting parts are respectively and fixedly connected to the upper end and the lower end of the prefabricated staircase; the two mounting grooves are respectively formed in the upper end surfaces of the two ladder beams and are used for embedding the two connecting parts; two guides, two guides correspond the notch setting of two mounting grooves respectively, and every guide all includes three deflector, and every deflector all articulates in the ladder beam setting that corresponds, has still seted up rectangular hole on the deflector, is equipped with the screw hole that corresponds with rectangular hole on the connecting portion. After the three guide plates of the guide piece are corrected, the prefabricated staircase is more convenient to position and install. In addition, the prefabricated staircase is fixed through the fixing bolts, so that the situation that the prefabricated staircase is reinforced through cement mortar on site is reduced, and the assembly of the staircase is more environment-friendly.
Description
Technical Field
The invention relates to the technical field of constructional engineering, in particular to an assembled stair.
Background
In the fabricated building, the fabricated stairway occupies a very important position in the whole building system, the stairway is used as a main vertical traffic and emergency evacuation channel of the building and has important influence on the normal use and emergency evacuation of the whole building, and the fabricated degree of the stairway is also one of main indexes of the fabricated rate of the fabricated building.
Chinese patent like patent publication No. CN205134791U, this patent discloses an assembled prefabricated stair, including ladder roof beam, prefabricated stair, connecting reinforcement, reservation dowel steel, prefabricated stair upper and lower both ends and ladder roof beam are connected, prefabricated stair upper end is passed through connecting reinforcement and is connected with the ladder roof beam, prefabricated stair lower extreme is provided with the reservation slotted hole, reserve the slotted hole and reserve the dowel steel and connect.
When the prefabricated staircase is installed, the prefabricated staircase is lifted by the crane, the reserved slotted hole and the reserved dowel bar are aligned and positioned in the process, the position requirements of the steel bar at the upper end of the prefabricated staircase and the position requirements of the staircase beam are met, and the installation and positioning operations are troublesome and need to be improved.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides the fabricated stair which has the advantage of more convenient installation and positioning of the fabricated stair.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides an assembled stair, includes prefabricated stair, supplies prefabricated stair upper and lower both ends two ladder beams of connecting, still includes:
the two connecting parts are respectively and fixedly connected to the upper end and the lower end of the prefabricated staircase;
the two mounting grooves are respectively formed in the upper end surfaces of the two ladder beams and are used for embedding the two connecting parts;
two guides, two the guides corresponds the notch setting of two mounting grooves respectively, every the guide all includes three deflector, and wherein, two deflector correspondences set up in the mounting groove along the both sides of prefabricated staircase distribution direction, and one side that prefabricated staircase was kept away from to another deflector is located the mounting groove, every the deflector upwards sets up towards the direction slope of keeping away from the mounting groove, and every the deflector lower extreme is close to one side of mounting groove and the inside wall parallel and level of mounting groove, the guide corresponds guide connecting portion embedding mounting groove and assembles.
Through the technical scheme, when the prefabricated staircase is installed, the upper end and the lower end of the prefabricated staircase are adjusted after being hoisted by the crane, then the prefabricated staircase is moved to the corresponding position, then the prefabricated staircase is put down by the crane, at the moment, the connecting parts at the upper end and the lower end are basically aligned to the mounting groove, and after the prefabricated staircase is corrected by the three guide plates of the guide piece, the prefabricated staircase is more conveniently positioned and installed, so that the whole installation is more convenient.
The present invention in a preferred example may be further configured to: each guide plate is hinged to the corresponding ladder beam, the hinge axis of each guide plate is horizontal, so that the guide plates can be turned to be in a horizontal state towards one side of the installation groove, and a support piece for supporting the inclination of each guide plate is arranged on one side, away from the installation groove, of each guide plate;
the guide plate is also provided with a long hole, and the connecting part is provided with a threaded hole corresponding to the long hole; after the connecting portion correspond the embedding mounting groove, the deflector upset is aimed at the screw hole setting to laminating connecting portion and rectangular hole.
Through above-mentioned technical scheme, when the deflector needs lead prefabricated staircase, support the deflector through support piece to make the inclination of deflector stable. After the deflector direction connecting portion correspond and imbed the mounting groove, make the deflector laminate to connecting portion through the upset deflector, then pass behind the rectangular hole through fixing bolt and further consolidate with screw hole threaded connection. The prefabricated staircase is fixed through the fixing bolts, so that the situation that the prefabricated staircase is reinforced through cement mortar on site is reduced, and the assembly of the staircase is more environment-friendly.
The present invention in a preferred example may be further configured to: three holding tank has been seted up to the up end of connecting portion, it is three the holding tank corresponds and supplies the deflector upset embedding, works as when the deflector is located the holding tank, the up end parallel and level setting of the up end of deflector and connecting portion.
Through above-mentioned technical scheme, set up the holding tank, the holding tank can supply the deflector upset embedding to make the deflector laminate in the holding tank, reduced the condition of deflector up end protrusion connecting portion up end, make up end more level and more smooth after the integral erection.
The present invention in a preferred example may be further configured to: the tank bottom of holding tank is fixed with the connecting plate, the screw hole corresponds sets up on the connecting plate.
Through above-mentioned technical scheme, the connecting plate is the setting of built-in fitting and the integrative solid of connecting portion, and the connecting plate generally is the metalwork, and the screw hole is seted up on the connecting plate for the fixed more firm of deflector and connecting portion.
The present invention in a preferred example may be further configured to: the support piece is including articulating in the backup pad that the mounting groove one side was kept away from to the deflector, set up in the deflector and keep away from mounting groove one side and be used for limiting the spacing portion of backup pad opening angle.
Through above-mentioned technical scheme, set up backup pad and spacing portion, when the deflector needs the installation of direction prefabricated staircase, through the angle of opening of spacing portion restriction backup pad, then the backup pad is contradicted the angle that the riser roof beam up end supported the deflector to make the direction of deflector more stable.
The present invention in a preferred example may be further configured to: the utility model discloses a supporting groove, including the mounting groove, the mounting groove is kept away from to the deflector, the backup pad is corresponding to articulate in supporting the inslot, spacing portion is fixed in the lateral wall that the articulated axis of deflector was kept away from in supporting the groove, works as the backup pad upset is to the laminating when supporting groove tank bottom state, the terminal surface that supports the groove tank bottom was kept away from to the backup pad corresponds the terminal surface parallel and level setting with the deflector.
Through above-mentioned technical scheme, set up and support the groove, after the deflector passes through fixing bolt to be connected on connecting portion, the backup pad can be corresponding to imbed and support the inslot and make the terminal surface of deflector be in the parallel and level state.
The present invention in a preferred example may be further configured to: the backup pad is the ferromagnetism material, the tank bottom in support groove is inlayed and is equipped with the permanent magnet.
Through above-mentioned technical scheme, set up the permanent magnet, fixed with connecting portion when the deflector, when the backup pad was located the support inslot, the permanent magnet can adsorb the backup pad, has reduced the condition that the backup pad salient supported the groove for the structure of backup pad is more stable.
The present invention in a preferred example may be further configured to: the mounting groove is internally and vertically provided with a joint bar, and the upper end surface of the joint bar is lower than the upper end surface of the ladder beam; the lower end face of the connecting part is provided with a slot corresponding to the dowel.
Through above-mentioned technical scheme, set up dowel and mounting hole, through dowel and mounting hole cooperation back, it further reinforces the connection structure of connecting portion and ladder roof beam to fill cement mortar in the mounting hole to make holistic structural strength better.
A construction process of an assembled stair comprises the following steps:
s1, adjusting the three guide plates of the guide piece to be in an upward inclined state away from the installation groove;
s2, hoisting the prefabricated staircase by a crane, and adjusting the position of the connecting part of the upper end and the lower end of the prefabricated staircase;
s3, the prefabricated staircase is put down by the crane, the connecting part is aligned to the mounting groove through the guide of the guide plate, and the connecting part is correspondingly mounted in the mounting groove;
and S4, turning the guide plate into the accommodating groove and abutting against the connecting plate, and fixing the guide plate by screwing the fixing bolt into the threaded hole after penetrating through the strip hole.
Through the technical scheme, when the prefabricated staircase is installed, the structure can be further reinforced through the fixing of the guide plate and the connecting part, so that the use of cement mortar in the process of building the prefabricated building is reduced, and the whole prefabricated building is more convenient.
Compared with the prior art, the invention has the beneficial effects that:
(1) after the three guide plates of the guide piece are corrected, the prefabricated staircase is more convenient to position and install, so that the whole installation is more convenient;
(2) the guide plate is hinged to the ladder beam, the guide plate is attached to the upper end face of the connecting part by turning over the guide plate, and then the guide plate is further fixed through the fixing bolt, so that the assembled structure is firmer;
(3) through setting up backup pad and spacing portion, through the opening angle of spacing portion restriction backup pad, then the backup pad is contradicted the angle that the riser roof beam up end supported the deflector for the direction of deflector is more stable.
Drawings
FIG. 1 is a general schematic view of a first embodiment;
FIG. 2 is a schematic partial exploded view of the first embodiment;
FIG. 3 is a schematic structural view of a ladder beam and a guide according to a first embodiment;
fig. 4 is a schematic cross-sectional view of the ladder beam of the first embodiment, which is used for showing the structure of the support.
Reference numerals: 1. prefabricating a stair; 2. a connecting portion; 3. a ladder beam; 4. mounting grooves; 5. a guide member; 51. a guide plate; 6. inserting ribs; 7. a slot; 8. a strip hole; 9. a support groove; 10. a permanent magnet; 11. a support member; 111. a support plate; 112. a limiting part; 12. accommodating grooves; 13. a connecting plate; 14. a threaded bore.
Detailed Description
The invention is described in detail below with reference to the figures and examples.
The first embodiment is as follows:
an assembled stair, as shown in fig. 1 and 2, comprises a prefabricated stair 1, two connecting parts 2, two ladder beams 3, two mounting grooves 4 and two guide pieces 5.
Two connecting portion 2 are fixed connection in prefabricated staircase 1's upper and lower both ends respectively, and connecting portion 2 all is square plate shape, and two connecting portion 2 mutual parallel arrangement. The two ladder beams 3 are fixed on the building and are used for connecting the upper end and the lower end of the prefabricated staircase 1. Two mounting grooves 4 are seted up respectively in the up end of two terraced roof beams 3, and mounting groove 4 runs through terraced roof beam 3 setting towards one side that is close to prefabricated staircase 1. When prefabricated staircase 1 is connected with ladder beam 3, the connecting portion 2 at 1 both ends of prefabricated staircase are fixed a position in corresponding embedding two connecting portion 2. Still vertically being fixed with joint bar 6 in mounting groove 4, the up end of joint bar 6 is less than the up end setting of terraced roof beam 3, and slot 7 that corresponds with joint bar 6 is seted up to the terminal surface under connecting portion 2, and slot 7 is the flaring groove setting to make things convenient for joint bar 6 to insert.
As shown in fig. 2, two guiding members 5 are respectively located on the two ladder beams 3 and are arranged corresponding to the notches of the two mounting grooves 4, and each guiding member 5 comprises three guiding plates 51. Wherein, two deflector 51 correspond to set up in the both sides of mounting groove 4 along prefabricated staircase 1 distribution direction, and another deflector 51 is located one side that mounting groove 4 kept away from prefabricated staircase 1. Each guide plate 51 is obliquely and upwardly arranged towards the direction far away from the mounting groove 4, and one side of the lower end of each guide plate 51 close to the mounting groove 4 is flush with the inner side wall of the mounting groove 4. When connecting portion 2 of prefabricated staircase 1 need correspond mounting groove 4 and adorn, the lower extreme of connecting portion 2 can be to contradicting deflector 51, makes the lower extreme of connecting portion 2 aim at mounting groove 4 after the deflector 51 of guide 5 leads connecting portion 2, then imbeds mounting groove 4 and assembles.
As shown in fig. 2 and 3, each guide plate 51 is hinged to the corresponding ladder beam 3, the hinge axis of the guide plate 51 is horizontal and parallel to the corresponding side surface of the connecting part 2, and the hinge axis of the guide plate 51 enables the guide plate 51 to be turned to a horizontal state towards one side of the mounting groove 4. The end face of the guide plate 51 close to the mounting groove 4 is provided with a long hole 8, one side of the guide plate 51 far away from the mounting groove 4 is provided with a support groove 9, and the bottom of the support groove 9 is embedded with and fixed with a permanent magnet 10.
As shown in fig. 3 and 4, a supporting member 11 is further disposed in the supporting groove 9, and the supporting member 11 includes a supporting plate 111 hinged in the supporting groove 9 and a limiting portion 112 disposed on one side of the guiding plate 51 far from the mounting groove 4. The supporting plate 111 is made of ferromagnetic material, the hinge axis of the supporting plate 111 is located on one side of the supporting groove 9 away from the hinge axis of the guide plate 51 and is parallel to the hinge axis of the guide plate 51, and the limiting part 112 is fixed on the side wall of the supporting groove 9 away from the hinge axis of the guide plate 51. When the supporting plate 111 is turned to the maximum angle, the limiting portion 112 abuts against the end face of the supporting plate 111 far away from the bottom of the supporting groove 9 to limit the opening angle of the supporting plate 111, and at the moment, the lower sheet of the supporting plate 111 abuts against the upper end face of the ladder beam 3 to support the inclination angle of the guide plate 51. When the support plate 111 is turned to the bottom of the support groove 9, the end surface of the support plate 111 far away from the bottom of the support groove 9 is flush with the corresponding end surface of the guide plate 51.
As shown in fig. 1 and 2, three receiving grooves 12 are formed on the upper end surface of the connecting portion 2, and the three receiving grooves 12 are correspondingly used for the guide plate 51 to be inserted in an inverted manner. The tank bottom of holding tank 12 is fixed with connecting plate 13, and connecting plate 13 sets up in connecting portion 2 through pre-burying. The upper end surface of the connecting plate 13 is correspondingly provided with threaded holes 14, and the number and the positions of the threaded holes 14 are arranged in one-to-one correspondence with the elongated holes 8 of the corresponding guide plates 51.
After connecting portion 2 corresponds embedding mounting groove 4, when deflector 51 overturns to holding tank 12 in, deflector 51 overturns to laminating connecting plate 13 up end, and the up end of deflector 51 sets up with the up end parallel and level of connecting portion 2, and rectangular hole 8 and screw hole 14 one-to-one set up, passes rectangular hole 8 through fixing bolt this moment and fixes with screw hole 14 threaded connection.
Example two:
a construction process of an assembled stair comprises the following steps:
s1, the three guide plates 51 of the guide 5 are all adjusted to a state of being inclined upward away from the mounting groove 4.
And S2, hoisting the prefabricated staircase 1 by a crane, and adjusting the positions of the connecting parts 2 at the upper end and the lower end of the prefabricated staircase 1.
S3, the crane puts down the prefabricated staircase 1, aligns the connection part 2 with the installation groove 4 by guiding of the guide plate 51, and correspondingly loads the connection part 2 into the installation groove 4.
And S4, turning the guide plate 51 into the accommodating groove 12 and abutting against the connecting plate 13, and fixing the guide plate by screwing the fixing bolt into the threaded hole 14 after penetrating through the long hole 8.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.
Claims (9)
1. The utility model provides an assembled stair, includes prefabricated stair (1), supplies two terraced roof beams (3) that prefabricated stair (1) upper and lower both ends are connected, its characterized in that: further comprising:
the two connecting parts (2) are respectively and fixedly connected to the upper end and the lower end of the prefabricated staircase (1);
the two mounting grooves (4) are respectively formed in the upper end surfaces of the two ladder beams (3) and are used for the two connecting parts (2) to be embedded into;
two guide (5), two guide (5) correspond the notch setting of two mounting grooves (4) respectively, every guide (5) all include three deflector (51), wherein, two deflector (51) correspond and set up in mounting groove (4) along the both sides of prefabricated staircase (1) distribution direction, and one side of prefabricated staircase (1), every are kept away from in mounting groove (4) in other deflector (51) upwards set up towards the direction slope of keeping away from mounting groove (4), and every deflector (51) lower extreme is close to one side of mounting groove (4) and the inside wall parallel and level of mounting groove (4), guide (5) correspond direction connecting portion (2) embedding mounting groove (4) and assemble.
2. The fabricated staircase of claim 1, wherein: each guide plate (51) is hinged to the corresponding ladder beam (3), the hinge axis of each guide plate (51) is horizontal, so that the guide plates (51) can be turned to be in a horizontal state towards one side of the installation groove (4), and one side, far away from the installation groove (4), of each guide plate (51) is provided with a support piece (11) for supporting the guide plate (51) to incline;
the guide plate (51) is also provided with a long hole (8), and the connecting part (2) is provided with a threaded hole (14) corresponding to the long hole (8); after the connecting part (2) is correspondingly embedded into the mounting groove (4), the guide plate (51) is turned over to be attached to the connecting part (2) and the strip hole (8) is aligned with the threaded hole (14).
3. A fabricated staircase as defined in claim 2, wherein: three holding tank (12), three have been seted up to the up end of connecting portion (2) holding tank (12) correspond and supply deflector (51) upset embedding, work as when deflector (51) are located holding tank (12), the up end of deflector (51) sets up with the up end parallel and level of connecting portion (2).
4. A fabricated staircase as defined in claim 3, wherein: the tank bottom of holding tank (12) is fixed with connecting plate (13), screw hole (14) are seted up correspondingly and are set up on connecting plate (13).
5. A fabricated staircase as defined in claim 4, wherein: the supporting piece (11) comprises a supporting plate (111) hinged to one side, away from the installation groove (4), of the guide plate (51) and a limiting portion (112) arranged on one side, away from the installation groove (4), of the guide plate (51) and used for limiting the opening angle of the supporting plate (111).
6. A fabricated staircase as defined in claim 5, wherein: support groove (9) have been seted up to one side that mounting groove (4) were kept away from in deflector (51), backup pad (111) correspond to articulate in supporting groove (9), spacing portion (112) are fixed in and support groove (9) and keep away from the lateral wall of deflector (51) articulated axis, work as backup pad (111) overturn to the laminating when supporting groove (9) tank bottom state, the terminal surface that support groove (9) tank bottom was kept away from in backup pad (111) corresponds the terminal surface parallel and level setting with deflector (51).
7. The fabricated staircase of claim 6, wherein: the supporting plate (111) is made of ferromagnetic materials, and a permanent magnet (10) is embedded at the bottom of the supporting groove (9).
8. A fabricated staircase as defined in claim 5, wherein: a joint bar (6) is vertically arranged in the mounting groove (4), and the upper end surface of the joint bar (6) is lower than the upper end surface of the ladder beam (3); the lower end face of the connecting part (2) is provided with a slot (7) corresponding to the dowel (6).
9. The construction process of the fabricated stair is characterized in that: the method comprises the following steps:
s1, adjusting the three guide plates (51) of the guide piece (5) to be in an upward inclined state away from the mounting groove (4);
s2, hoisting the prefabricated staircase (1) through a crane, and adjusting the positions of the connecting parts (2) at the upper end and the lower end of the prefabricated staircase (1);
s3, the prefabricated staircase (1) is put down by the crane, the connecting part (2) is aligned to the mounting groove (4) through the guiding of the guide plate (51), and the connecting part (2) is correspondingly mounted in the mounting groove (4);
and S4, the guide plate (51) is turned into the accommodating groove (12) and abutted against the connecting plate (13), and the fixing bolt penetrates through the long hole (8) and then is screwed into the threaded hole (14) for fixing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010393207.5A CN111535529B (en) | 2020-05-11 | 2020-05-11 | Assembled stair and construction process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010393207.5A CN111535529B (en) | 2020-05-11 | 2020-05-11 | Assembled stair and construction process thereof |
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| Publication Number | Publication Date |
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| CN111535529A true CN111535529A (en) | 2020-08-14 |
| CN111535529B CN111535529B (en) | 2021-07-16 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112356257A (en) * | 2020-11-27 | 2021-02-12 | 利辛县亚升墙体材料有限公司 | Demoulding device for concrete block |
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| CN207647068U (en) * | 2017-12-13 | 2018-07-24 | 成都思纳誉联建筑设计有限公司 | Assembling-type precast stair |
| JP2019112864A (en) * | 2017-12-25 | 2019-07-11 | 大和ハウス工業株式会社 | Stair support jig |
| CN208733963U (en) * | 2018-06-21 | 2019-04-12 | 江苏省苏中建设集团股份有限公司 | A kind of connection structure of precast stair and stair stringer |
| CN208668817U (en) * | 2018-07-13 | 2019-03-29 | 苏州瑞至通建筑科技有限公司 | A kind of light-duty armored concrete formula precast stair |
| CN208718325U (en) * | 2018-07-27 | 2019-04-09 | 青岛理工大学 | A kind of precast stair installation and guide device |
| CN208965914U (en) * | 2018-08-30 | 2019-06-11 | 青岛腾远设计事务所有限公司 | A kind of assembled steel reinforced concrete staircase with guiding surface support |
| CN209145018U (en) * | 2018-09-06 | 2019-07-23 | 苏州古镇联盟建筑设计有限公司 | A kind of connection structure of the partition plate of cantilever stair and floor beam |
| CN109339220A (en) * | 2018-11-02 | 2019-02-15 | 山东海龙建筑科技有限公司 | Between integrally assembling staircase and its production and construction method |
| CN209413170U (en) * | 2018-11-21 | 2019-09-20 | 张庆坤 | Stair main body integrates quick fixation structure |
| CN109914718A (en) * | 2019-03-04 | 2019-06-21 | 浙江亚厦装饰股份有限公司 | A kind of stair surface layer and its manufacturing method |
| CN110593500A (en) * | 2019-09-27 | 2019-12-20 | 安徽建筑大学城市建设学院 | Safe and firm assembled earthquake-resistant stair |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112356257A (en) * | 2020-11-27 | 2021-02-12 | 利辛县亚升墙体材料有限公司 | Demoulding device for concrete block |
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