CN206722250U - A kind of precast stair of lightweight - Google Patents
A kind of precast stair of lightweight Download PDFInfo
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- CN206722250U CN206722250U CN201720458141.7U CN201720458141U CN206722250U CN 206722250 U CN206722250 U CN 206722250U CN 201720458141 U CN201720458141 U CN 201720458141U CN 206722250 U CN206722250 U CN 206722250U
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- level board
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Abstract
The utility model belongs to construction engineering technical field, more particularly to a kind of precast stair of lightweight, including terraced beam and pedal, terraced beam is left and right two, and for pedal on terraced beam, terraced beam includes seat of marking time, seat of marking time includes horizontal plane and vertical plane, horizontal plane is provided with groove, horizontal on vertical plane to be provided with escape groove, lower surface and the next stage of escape groove mark time seat horizontal plane it is concordant；Pedal includes level board and vertical panel, the lower surface of level board is provided with the projection coordinated with groove, the lower end of vertical panel is provided with the contiguous block being connected with next stage pedal, the upper surface of level board is provided with the link slot coordinated with the contiguous block of upper level pedal, the size of link slot is consistent with the size of groove, and the end of level board is located in escape groove；Using a kind of precast stair of lightweight of technical solutions of the utility model, there is the characteristics of easy transportation and installation are quick, and work difficulty is low, time saving and energy saving, Stability Analysis of Structures.
Description
Technical field
The utility model belongs to construction engineering technical field, and in particular to a kind of precast stair of lightweight.
Background technology
Stair are a kind of common components to build a building, are mainly used as emergency escape passage, and stair are built and generally adopted at present
It is concrete cast-in-situ stair, the construction procedure of concrete cast-in-situ stair is more：Contain branch stair bed die, colligation staircase boards
Bottom reinforcement bars, branch stair side form, colligation stair remaining reinforcing bars, branch mark time template, casting concrete, maintenance to form removal, not only
Stairway die makes complexity, and can not reuse；Long the time required to maintenance after the cast of this external staircase, construction speed is slow, this
Outer worker scene work high above the ground length, easily causes potential safety hazard.
To overcome the drawbacks described above of concrete cast-in-situ stair, many enterprises in charge of construction start to use precast stair, prefabricated
Stair are made in factory, and slotted hole is reserved in stair lower end, and upper end reserves reinforcing bar, during in-site installation, are sling using tower crane pre-
Stair processed, then the reinforcing bar that its upper end is reserved is poured together with landing plate, the reserved joint bar insertion stair of lower end ladder beam
In the slotted hole of lower end, being slidably connected for precast stair and agent structure is realized.
Although precast stair substantially increases speed of application and construction quality, reality compared to traditional cast-in-situ stair
In use, because precast stair volume is big, and concrete density is higher, causes it to transport and carry and larger difficulty all be present,
And because weight is big, also easily causes inertia and collide with damage.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of precast stair of lightweight, has easy transportation and installation fast
Victory, work difficulty is low, time saving and energy saving, the characteristics of Stability Analysis of Structures.
In order to solve the above-mentioned technical problem, the utility model provides a kind of precast stair of lightweight, including terraced beam and pedal,
Wherein, the terraced beam is left and right two, and for the pedal on the terraced beam, the terraced beam includes seat of marking time, the seat of marking time
Including horizontal plane and vertical plane, the horizontal plane is provided with groove, and level is provided with escape groove, the escape groove on the vertical plane
Lower surface it is concordant with the horizontal plane for seat of being marked time described in next stage；The pedal includes level board and vertical panel, the level board
Lower surface be provided with the projection coordinated with the groove, the lower end of the vertical panel is provided with the company being connected with pedal described in next stage
Block is connect, the upper surface of the level board is provided with the link slot coordinated with the contiguous block of pedal described in upper level, the link slot
Size is consistent with the size of the groove, and the end of the level board is located in the escape groove, the groove to the level
The distance between face end a, the link slot to the distance between level board end b and the projection are to the vertical panel
The distance between madial wall c is equal.
Using a kind of beneficial effect of the precast stair of lightweight of above-mentioned technical proposal：By the way that precast stair is split as into ladder
Beam and gangboard, terraced beam are divided into left and right two, and branch's partite transport is defeated and installs, and compared with traditional integral hoisting mode, alleviates pre-
The weight of stair lifting processed, transport, installation are relatively easy to, and alleviate the difficulty of work, while ensure that the security of work, in advance
The installation of stair processed is more convenient, time saving and energy saving；Mounted stair are marked time by the projection on pedal with being located at
Groove on seat is connected, and realizes being fixedly connected for pedal and terraced beam, upper with being located at by the link slot on pedal
The mating connection of contiguous block on one-level pedal, being mutually permanently connected between pedal is realized, pedal is smoothly connected with terraced beam
It is integrated, the good integrity of installation, the design of escape groove ensure that the compactness of vertical panel and pedal base and facilitate pedal
Smoothly installation so that staircase structure is closer, ensure that the firm fixed of stair；Due to the size of link slot and the size one of groove
Cause, the end of level board is located in escape groove, groove to the distance between horizontal plane end a, link slot to level board end it
Between distance b and projection it is equal to the distance between vertical panel madial wall c, pedal is placed in the connection of another pedal by projection
In groove, the overlapping storage of pedal is realized, convenience in transport, saves space, while avoid damage of colliding with.
Preferably, in order to be further ensured that the steadiness of stair connection, in the level board and the vertical panel
Portion is equipped with connection reinforcing bar, and the fixed steel bars with the connection bar connecting are provided with the seat of marking time.
Preferably, in order to facilitate the installation of pedal, the upper surface of the escape groove is acclivitous inclined-plane.
Preferably, in order to mitigate the weight of terraced beam, the terraced beam includes the ladder integrally formed with the seat of marking time
Plate, the cross section of the gangboard is groove profile.
Preferably, in order to mitigate the weight of pedal while ensure the weight capacity of pedal, the thickness of the level board
Thickness of the degree more than the vertical panel.
Preferably, in order to be further ensured that the steadiness of stair connection, the connection reinforcing bar is horizontal to run through institute
Level board and the vertical panel are stated, the fixed steel bars are horizontal to stretch out the level through the seat of marking time, the connection reinforcing bar
The end of plate or the vertical panel after vertically bending with the fixed steel bars by welding together.
Preferably, in order to realize anti-skidding effect, the upper surface of the level board is provided with anti-slip tank.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model installation；
Fig. 2 is the side structure schematic view of the utility model installation；
Fig. 3 is the side structure schematic view of the utility model ladder beam；
Fig. 4 is the side structure schematic view of the utility model pedal；
Fig. 5 is the structural representation of the overlapping placement of the utility model pedal；
Fig. 6 is the cross-sectional view of the utility model gangboard.
Wherein：Terraced beam 1；Pedal 2；Mark time seat 3；Horizontal plane 4；Vertical plane 5；Groove 6；Projection 7；Level board 8；Vertical panel 9；
Contiguous block 10；Link slot 11；Escape groove 12；Connect reinforcing bar 13；Fixed steel bars 14；Inclined-plane 15；Gangboard 16.
Embodiment
Technical solutions of the utility model are further illustrated with reference to the accompanying drawings and examples：
As shown in Figures 1 to 6, a kind of precast stair of lightweight, including terraced beam 1 and pedal 2, wherein, terraced beam 1 is left and right two
Root, pedal 2 is on the terraced beam 1, and in order to mitigate the weight of terraced beam 1, terraced beam 1 includes marking time seat 3 and integrally formed with seat 3 of marking time
Gangboard 16, the cross section of gangboard 16 is groove profile, and seat 3 of marking time includes horizontal plane 4 and vertical plane 5, and horizontal plane 4 is provided with groove 6,
It is horizontal on vertical plane 5 to be provided with escape groove 12, lower surface and the next stage of escape groove 12 mark time seat 3 horizontal plane 4 it is concordant, for side
Just the installation of pedal 2, the upper surface of escape groove 12 is acclivitous inclined-plane 15；Pedal 2 includes level board 8 and vertical panel 9, is
The weight for mitigating pedal 2 ensures the weight capacity of pedal 2 simultaneously, and the thickness of level board 8 is more than the thickness of vertical panel 9, horizontal
The lower surface of plate 8 is provided with the projection 7 coordinated with groove 6, and the lower end of vertical panel 9 is provided with the contiguous block being connected with next stage pedal 2
10, the upper surface of level board 8 is provided with the link slot 11 coordinated with the contiguous block 10 of upper level pedal 2, the size of link slot 11 with
The size of groove 6 is consistent, and the end of level board 8 is located in escape groove 12, the distance between groove 6 to the end of horizontal plane 4 a, connects
Access slot 11 is equal to the distance between the end of level board 8 b and projection 7 to the distance between the madial wall of vertical panel 9 c.In order to enter
One step ensures the steadiness of stair connection, and level board 8 be connected reinforcing bar 13 with being equipped with inside vertical panel 9, seat 3 of marking time it is interior provided with
The fixed steel bars 14 that reinforcing bar 13 connects are connected, connection reinforcing bar 13 is horizontal to run through level board 8 and vertical panel 9, the water of fixed steel bars 14
It is flat through seat 3 of marking time, connection reinforcing bar 13 stretches out the end of level board 8 or vertical panel 9 by after vertically bending and fixed steel bars
14 weld together.In order to realize anti-skidding effect, the upper surface of level board 8 is provided with anti-slip tank.
The lower end of terraced beam 1 is provided with the groove 6 coordinated with contiguous block 10 set on bottom pedal 2, during installation, first by terraced beam
1 lifting installs pedal 2, finally to entering between connection reinforcing bar 13 and fixed steel bars 14 successively from the bottom to top afterwards to correct position
Row welding, stair install.
The above is only preferred embodiment of the present utility model, it is noted that for those skilled in the art,
On the premise of the utility model structure is not departed from, several modifications and improvements can also be made, these should also be considered as this practicality
New protection domain, these are all without the effect and practical applicability for influenceing the utility model implementation.
Claims (7)
1. a kind of precast stair of lightweight, including terraced beam and pedal, it is characterised in that：The terraced beam is left and right two, described to step on
For plate on the terraced beam, the terraced beam includes seat of marking time, and the seat of marking time includes horizontal plane and vertical plane, on the horizontal plane
It is horizontal on the vertical plane to be provided with escape groove provided with groove, the water for seat of being marked time described in the lower surface of the escape groove and next stage
Plane is concordant；The pedal includes level board and vertical panel, and the lower surface of the level board is convex provided with coordinating with the groove
Block, the lower end of the vertical panel are provided with contiguous block be connected with pedal described in next stage, the upper surface of the level board provided with
The link slot that the contiguous block of pedal described in upper level coordinates, the size of the link slot is consistent with the size of the groove, described
The end of level board is located in the escape groove, and the groove arrives to the distance between horizontal plane end a, the link slot
The distance between level board end b and the projection are equal to the distance between vertical panel madial wall c.
A kind of 2. precast stair of lightweight according to claim 1, it is characterised in that：The level board and the vertical panel
Inside is equipped with connection reinforcing bar, and the fixed steel bars with the connection bar connecting are provided with the seat of marking time.
A kind of 3. precast stair of lightweight according to claim 2, it is characterised in that：The upper surface of the escape groove be to
Upper inclined inclined-plane.
A kind of 4. precast stair of lightweight according to Claims 2 or 3, it is characterised in that：The terraced beam include with it is described
The integrally formed gangboard of seat of marking time, the cross section of the gangboard is groove profile.
A kind of 5. precast stair of lightweight according to claim 4, it is characterised in that：The thickness of the level board is more than institute
State the thickness of vertical panel.
A kind of 6. precast stair of lightweight according to claim 5, it is characterised in that：The connection equal level of reinforcing bar runs through
The level board and the vertical panel, the fixed steel bars are horizontal to stretch out the water through the seat of marking time, the connection reinforcing bar
The end of flat board or the vertical panel after vertically bending with the fixed steel bars by welding together.
A kind of 7. precast stair of lightweight according to claim 6, it is characterised in that：The upper surface of the level board is provided with
Anti-slip tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720458141.7U CN206722250U (en) | 2017-04-27 | 2017-04-27 | A kind of precast stair of lightweight |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720458141.7U CN206722250U (en) | 2017-04-27 | 2017-04-27 | A kind of precast stair of lightweight |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206722250U true CN206722250U (en) | 2017-12-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720458141.7U Active CN206722250U (en) | 2017-04-27 | 2017-04-27 | A kind of precast stair of lightweight |
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| Country | Link |
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| CN (1) | CN206722250U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108625553A (en) * | 2018-03-15 | 2018-10-09 | 福建江夏学院 | A kind of assembled stair and its installation method |
| CN110094025A (en) * | 2019-05-24 | 2019-08-06 | 广东博意建筑设计院有限公司 | A kind of assembling-type precast stair |
| CN113047550A (en) * | 2021-03-26 | 2021-06-29 | 福建省万林建设管理有限公司 | Assembled stair |
| CN115387555A (en) * | 2022-08-29 | 2022-11-25 | 芜湖晶宫绿建节能建筑有限责任公司 | Prefabricated staircase convenient to assemble and used for assembly type building and assembling method thereof |
-
2017
- 2017-04-27 CN CN201720458141.7U patent/CN206722250U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108625553A (en) * | 2018-03-15 | 2018-10-09 | 福建江夏学院 | A kind of assembled stair and its installation method |
| CN110094025A (en) * | 2019-05-24 | 2019-08-06 | 广东博意建筑设计院有限公司 | A kind of assembling-type precast stair |
| CN113047550A (en) * | 2021-03-26 | 2021-06-29 | 福建省万林建设管理有限公司 | Assembled stair |
| CN115387555A (en) * | 2022-08-29 | 2022-11-25 | 芜湖晶宫绿建节能建筑有限责任公司 | Prefabricated staircase convenient to assemble and used for assembly type building and assembling method thereof |
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