CN207597748U - A kind of dovetail type concrete prefabricated stairs - Google Patents
A kind of dovetail type concrete prefabricated stairs Download PDFInfo
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- CN207597748U CN207597748U CN201721423409.XU CN201721423409U CN207597748U CN 207597748 U CN207597748 U CN 207597748U CN 201721423409 U CN201721423409 U CN 201721423409U CN 207597748 U CN207597748 U CN 207597748U
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- dovetail
- stair ontology
- stair
- halfpace
- groove
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Abstract
The utility model discloses a kind of dovetail type concrete prefabricated stairs,Including upper,Lower halfpace and stair ontology,The upper halfpace surface is equipped with horizontal dovetail groove,Pre- retention nut is equipped with below dovetail groove,Lower halfpace surface is equipped with vertical reserved joint bar,Reserved joint bar both sides are equipped with longitudinal fluting,Dovetail is equipped with below stair ontology upper end,Setting circular hole is equipped with below stair ontology lower end,Circular hole both sides are equipped with longitudinal convex block,Stair ontology upper and lower ends and upper,Lower halfpace connection,Stair ontology upper end is connected by connecting reinforcing bar with pre- retention nut,Dovetail groove coordinates with dovetail,Stair ontology lower end circular hole is connected with reserved joint bar,The convex block is arranged in groove,Horizontal dovetail groove and longitudinal fluting are respectively equipped in stair ontology upper and lower ends,Plus vertical bar connecting,Stabilized structure is reasonable,It is high to assemble precision,Shock resistance is good,Construction is rapid,It ensure that the globality of stair and property easy for construction.
Description
Technical field
The invention belongs to the prefabricated component technology fields of skyscraper, and in particular to a kind of dovetail type is concrete prefabricated
Stair.
Background technology
In recent years, country greatly develops steel construction and assembled architecture, wherein, stair are component structures indispensable in building
Part, stair are pre-formed in factory's dental lamina and formwork, to construction site after directly installed, do not need to supporting module,
Also without water seasoning, water resource and curing time are saved, is greatly shortened the construction period, reduce disappearing for live material and facility
Consumption alleviates traditional architecture construction to harm such as airborne dust, the noises caused by society.
Assembled stair take the mode cast-in-place with agent structure at upper and lower side in an assembling process, with building one
Change, implement more difficulty, therefore the mode of both ends freely-supported is taken between stair and body abutment component in construction, in the prior art
Collide the problem of destroying hidden danger when Rig up error at stair bearing will result in earthquake with agent structure.
Invention content
To solve the above problems, the invention discloses a kind of dovetail type concrete prefabricated stairs, rational in infrastructure, dead weight is low,
Construction is rapid, and assembling is firm, ensure that the globality of stair and property easy for construction.
In order to achieve the above objectives, technical scheme is as follows：
A kind of dovetail type concrete prefabricated stairs, it is characterised in that：Including upper and lower halfpace and stair ontology, the upper ladder
Platform surface is equipped with horizontal dovetail groove, and pre- retention nut is equipped with below dovetail groove, and lower halfpace surface is equipped with vertical reserved joint bar, reserves
Joint bar both sides are equipped with longitudinal fluting, and dovetail is equipped with below stair ontology upper end, setting circular hole is equipped with below stair ontology lower end,
Circular hole both sides are equipped with longitudinal convex block, and the stair ontology upper and lower ends are connected with upper and lower halfpace, and stair ontology upper end passes through connection
Reinforcing bar is connected with pre- retention nut, and dovetail groove coordinates with dovetail, and stair ontology lower end circular hole is connected with reserved joint bar, the convex block
It is arranged in groove.
As a modification of the present invention, filling resilient material in the seam between the stair ontology and upper and lower halfpace.
As a modification of the present invention, the direction of the dovetail groove and groove is in 90 ° of settings.
As a modification of the present invention, the groove is half slot.
The beneficial effects of the invention are as follows：
A kind of dovetail type concrete prefabricated stairs of the present invention, stair ontology upper and lower ends are respectively equipped with lateral dovetail
Slot and longitudinal fluting, plus vertical bar connecting, stabilized structure is reasonable, and assembling precision is high, and shock resistance is good, and construction is fast
Speed ensure that the globality of stair and property easy for construction.
Description of the drawings
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is the A-A sectional views of Fig. 1.
Reference numerals list：
1st, upper halfpace, 2, lower halfpace, 3, stair ontology, 4, stair ontology upper end, 5, stair ontology lower end, 6, dovetail
Slot, 7, pre- retention nut, 8, reserved joint bar, 9, groove, 10, dovetail, 11, circular hole, 12, convex block, 13, connection reinforcing bar, 14, elasticity
Material.
Specific embodiment
With reference to the accompanying drawings and detailed description, the present invention is furture elucidated, it should be understood that following specific embodiments are only
For illustrating the present invention rather than limiting the scope of the invention.It should be noted that word " preceding " used in the following description,
" rear ", "left", "right", "up" and "down" refer to the direction in attached drawing, and word " interior " and " outer " refer respectively to direction or remote
Direction from particular elements geometric center.
As shown in the figure, a kind of dovetail type concrete prefabricated stairs of the present invention, including upper and lower halfpace 1,2 and stair
Ontology 3, upper 1 surface of halfpace are equipped with horizontal dovetail groove 6, are equipped with pre- retention nut 7 below dovetail groove, lower 2 surface of halfpace is equipped with
Vertical reserved joint bar 8,8 both sides of reserved joint bar are equipped with longitudinal fluting 9, and 4 lower section of stair ontology upper end is equipped with dovetail 10, stair
The lower section of ontology lower end 5 is equipped with setting circular hole 11, and 11 both sides of circular hole are equipped with longitudinal convex block 12, the stair ontology upper and lower ends and
Upper and lower halfpace connection, stair ontology upper end 4 are connected by connecting reinforcing bar 13 and pre- retention nut 7, and dovetail groove 6 is matched with dovetail 10
It closes, stair ontology lower end circular hole 11 and reserved joint bar 8 connect, and the convex block 12 is arranged in groove 9.
A kind of dovetail type concrete prefabricated stairs of the present invention, stair ontology upper and lower ends are respectively equipped with lateral dovetail
Slot and longitudinal fluting, dovetail groove 6 and the direction of groove 9 are vertically arranged in 90 °, plus vertical bar connecting, stabilized structure
Rationally, all around six direction is locked up and down, and stair ontology 1 positions degree and precision height, and construction is rapid, ensure that
The globality of stair and property easy for construction.
Stair ontology 3 of the present invention is not involved in overall structure stress, and between stair ontology 3 and up and down halfpace
Seam in filling resilient material 14, shock resistance is good.
Groove 9 of the present invention is half slot, it is ensured that position is accurate, easy for installation.
The technical means disclosed in the embodiments of the present invention is not limited only to the technological means disclosed in the above embodiment, further includes
By more than technical characteristic arbitrarily the formed technical solution of combination.
Claims (4)
1. a kind of dovetail type concrete prefabricated stairs, it is characterised in that：Including upper and lower halfpace and stair ontology, the upper halfpace
Surface is equipped with horizontal dovetail groove, and pre- retention nut is equipped with below dovetail groove, and lower halfpace surface is equipped with vertical reserved joint bar, reserves and inserts
Muscle both sides are equipped with longitudinal fluting, and dovetail is equipped with below stair ontology upper end, setting circular hole, circle are equipped with below stair ontology lower end
Hole both sides are equipped with longitudinal convex block, and the stair ontology upper and lower ends are connected with upper and lower halfpace, and stair ontology upper end is by connecting steel
Muscle is connected with pre- retention nut, and dovetail groove coordinates with dovetail, and stair ontology lower end circular hole is connected with reserved joint bar, and the convex block is set
It puts in groove.
2. a kind of dovetail type concrete prefabricated stairs according to claim 1, it is characterised in that：The stair ontology and upper
Filling resilient material in seam between lower halfpace.
3. a kind of dovetail type concrete prefabricated stairs according to claim 1, it is characterised in that：The dovetail groove and groove
Direction in 90 ° setting.
4. a kind of dovetail type concrete prefabricated stairs according to claim 1, it is characterised in that：The groove is semicircle
Slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721423409.XU CN207597748U (en) | 2017-10-31 | 2017-10-31 | A kind of dovetail type concrete prefabricated stairs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721423409.XU CN207597748U (en) | 2017-10-31 | 2017-10-31 | A kind of dovetail type concrete prefabricated stairs |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207597748U true CN207597748U (en) | 2018-07-10 |
Family
ID=62758476
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721423409.XU Active CN207597748U (en) | 2017-10-31 | 2017-10-31 | A kind of dovetail type concrete prefabricated stairs |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207597748U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107654031A (en) * | 2017-10-31 | 2018-02-02 | 江苏金贸科技发展有限公司 | A kind of dovetail type concrete prefabricated stairs |
| CN113089950A (en) * | 2021-04-21 | 2021-07-09 | 济南一建集团有限公司 | High-strength prefabricated staircase and hoisting installation method thereof |
| CN113944288A (en) * | 2021-11-19 | 2022-01-18 | 李霞 | Assembled concrete stair prefabricated component assembly structure |
-
2017
- 2017-10-31 CN CN201721423409.XU patent/CN207597748U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107654031A (en) * | 2017-10-31 | 2018-02-02 | 江苏金贸科技发展有限公司 | A kind of dovetail type concrete prefabricated stairs |
| CN113089950A (en) * | 2021-04-21 | 2021-07-09 | 济南一建集团有限公司 | High-strength prefabricated staircase and hoisting installation method thereof |
| CN113944288A (en) * | 2021-11-19 | 2022-01-18 | 李霞 | Assembled concrete stair prefabricated component assembly structure |
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