CN208023719U - A kind of precast floor slab - Google Patents
A kind of precast floor slab Download PDFInfo
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- CN208023719U CN208023719U CN201820231571.XU CN201820231571U CN208023719U CN 208023719 U CN208023719 U CN 208023719U CN 201820231571 U CN201820231571 U CN 201820231571U CN 208023719 U CN208023719 U CN 208023719U
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- steel pipe
- tubular body
- floor slab
- precast floor
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Abstract
The utility model provides a kind of imitation bamboo pole structure and the imitative bamboo structure steel pipe for manufacturing building structure rack, the steel pipe includes cylindrical tubular body, it is in the pipe walls support part of " X " type that the inner cavity spaced set of tubular body, which has cross section, the distance of two pipe walls support part central points is 3-6 times of tubular body diameter, and the both ends of tubular body are equipped with end cover.The imitative bamboo structure steel pipe of the utility model, not only light weight, intensity are high, counter-bending, but also are easy to make, and can produce by batch, in the area for not producing bamboo, bamboo pole can be replaced for manufacturing building structure rack it.The utility model also provides a kind of precast floor slab containing above-mentioned imitative bamboo structure steel pipe, the precast floor slab replaces support frame of the reinforcing bar as wall prefabricated board, the hollow structure of steel pipe that wallboard is made to have good intensity, rigidity, heat-insulated, sound insulation and anti seismic efficiency using intensity and the imitative bamboo structure steel pipe of the measured multi-layer intercrossed arrangement of springform.
Description
Technical field
The utility model is related to a kind of steel pipe more particularly to a kind of steel pipes for manufacturing building structure rack, more specifically
It is to be related to a kind of imitation bamboo pole structure and the imitative bamboo structure steel pipe for manufacturing building structure rack.The utility model further relates to one
Precast floor slab of the kind containing above-mentioned imitative bamboo structure steel pipe.
Background technology
Currently, the domestic reinforced concrete floor used has a cast-in-situ floor and precast floor slab, cast-in-situ floor good integrity, but
Live formwork is needed, then casting concrete, long construction period, difficulty is big, and template loss is more, of high cost；Precast floor slab is not required to existing
From great, lifting difficulty, component splicing position is also easy to produce crack, whole for field formwork, short construction period, low cost, but prefabricated components
Body is poor.In order to mitigate the weight of component, floor has using hollow pre-fabricated panels, but the intensity of these hollow pre-fabricated panels is often not
It is enough, and in order to reinforce the globality connected between floor, it is generally laminated floor slab by the way of, although the floor of laminated floor slab
It is preferable with overlapping layers globality, but at the connecting node between prefabricated board, usually connect between cast-in-place concrete and prefabricated board
It is not firm to connect, and globality is still poor.In view of the above problems, the applicant of the utility model have developed it is a kind of light energy-saving and environment-friendly
Precast floor slab, and applied for patent of invention to State Intellectual Property Office on June 27th, 2017, application No. is
201710501192.8, which is to replace reinforcing bar as pre- using intensity and the measured multi-layer intercrossed arrangement bamboo pole of springform
The support frame of floor processed, not only light weight, but also the hollow structure of bamboo pole make floor have good intensity, rigidity, every
Heat, sound insulation and anti seismic efficiency, but applicant, during promotion and implementation above-mentioned patented technology, discovery does not produce bamboo for those
Area, a large amount of bamboo poles that production precast floor slab needs must be shipped from the area of production bamboo, and long-distance transport is not only time-consuming and laborious, and
And the freight charges of great number certainly will greatly increase the production cost of precast floor slab, therefore, find it is a kind of imitate bamboo pole structure material with
It is seemed very necessary instead of bamboo pole.
Invention content
To overcome the problems, such as present on, the purpose of this utility model is to provide a kind of prefabricated building containing imitative bamboo structure steel pipe
Plate.
In order to achieve the above object, the precast floor slab of the utility model, includes the coagulation of support frame and package support frame
Soil layer, it is characterised in that：The support frame is steel pipe layer, and steel pipe layer is three layers, and each steel pipe layer is by several root long degree phases
Deng and steel pipe arranged in parallel tile；Steel pipe includes cylindrical tubular body, and the inner cavity spaced set of tubular body has transversal
Face is in the pipe walls support part of " X " type, and the distances of two pipe walls support part central points is 3-6 times of tubular body diameter, and the two of tubular body
End cap is equipped with end cover；Steel pipe its length direction between adjacent two steel pipe layer is orthogonal, the length of the first steel pipe layer steel pipe
It is parallel with the length direction of prefabricated board to spend direction, the gap filling between same layer and the steel pipe of different layers has a concrete, and second
Each steel pipe both sides of steel pipe layer are fixed with steel wire, and the steel wire encircling is in the first steel pipe layer and the vertical face of third steel pipe layer
Each steel pipe；A left side for the precast floor slab or/and the concrete layer of right side are along first, the length side of third steel pipe layer steel pipe
Link groove to first level is offered from the beginning to the end, the left side or/and right side of precast floor slab are further opened with to be connected with first level
The vertical material feeding groove that knot groove communicates, the other end of material feeding groove extend to the plate face of precast floor slab.
In order to enable pipe walls support part more preferably to be contacted with tubular body inner wall and easy to process, the pipe walls support of above-mentioned steel pipe
Part is welded opposite to each other by two dish-shaped components, and dish-shaped component includes spherical bottom surface and annular side, annular side it is outer
Diameter is suitable with the internal diameter of the tubular body, is promoted and is determined to tubulose intracoelomic cavity one by one from propeller after pipe walls support part advance comprising
Position.
The structure of above described tubular body both ends end cover is identical as the single dish-shaped structure of component, and the spherical crown of dish-shaped component
Shape bottom surface protrudes from the end face of tubular body.
In order to increase the contact area of pipe walls support part and tubular body inner wall and the bearing capacity of pipe walls support part, above-mentioned dish
The radius of the spherical bottom surface of shape component is 1-3 times of tubular body diameter, and the height of dish-shaped component annular side is tubular body diameter
0.05-0.1 times.
The tubular body of above-mentioned steel pipe is welded after cans by steel plate or strip and is made, the thickness of steel plate or strip
For 0.3-2mm, a diameter of 5-15cm of tubular body.
Above-mentioned precast floor slab the prefabricated board bottom surface at front/rear end 10-40cm concrete layer along the second steel pipe layer
The length direction of steel pipe offers the second horizontal connection groove from the beginning to the end, is embedded at the top of the second horizontal connection groove vertical
Filling tube, which connects and is communicated with groove floor, the other end passes through the gap between each steel pipe layer steel pipe to prolong
The plate face of precast floor slab is extended to, filling tube nozzle is equipped with the internal thread that connection can be exported with pump valve.
Spacing between the steel pipe and steel pipe of the above-mentioned each steel pipe layer of precast floor slab is 5-10cm.
The precast floor slab of the utility model has the following advantages compared with existing precast floor slab：
1, the utility model imitates the pipe walls support part that bamboo structure steel pipe is utilized in inner cavity setting " X " type of tubular body,
End cover is arranged in the both ends of tubular body, and not only light weight, intensity are high but also counter-bending for this steel pipe.
2, the tubular body for imitating bamboo steel pipe is welded after cans and is made using steel plate or strip, the molding of pipe walls support part
It is positioned in tube chamber by propeller propulsion afterwards, is easy to make, can produce by batch, in the area for not producing bamboo, it can be replaced steel pipe
For manufacturing building structure rack.
3, support rib of the reinforcing bar as precast floor slab is replaced using the measured multi-layer intercrossed arrangement steel pipe of intensity and springform
Frame, not only light weight, but also the hollow structure of steel pipe make floor have good intensity, rigidity, heat-insulated, sound insulation and antidetonation effect
Fruit.
4, groove can be linked between precast floor slab and precast floor slab by first level that left and right side opens up and with first
The vertical material feeding groove that level connection groove communicates constitutes vertical filling tube and first level cylindrical cavity, and proportioning pump can be in building
Joint between plate and floor forms connection column, can make to constitute jail between floor and floor after this connection column drying or molding
Solid connection, so that the flooring of floor is obtained unlimited extension.
Description of the drawings
Fig. 1 is the structural schematic diagram that the utility model imitates bamboo structure steel pipe.
Fig. 2 is the structural schematic diagram of pipe walls support part.
Fig. 3 is the structural schematic diagram of the utility model precast floor slab.
Fig. 4 is the structural schematic diagram that imitative bamboo structure steel pipe arranges in precast floor slab.
Fig. 5 is sectional views of the Fig. 3 along line A-A.
Fig. 6 is sectional views of the Fig. 3 along line B-B.
Fig. 7 is sectional views of the Fig. 5 along line C-C.
Fig. 8 is the structural schematic diagram connected between precast floor slab and precast floor slab.
Specific implementation mode
As shown in Figure 1, 2, the imitative bamboo structure steel pipe of the utility model, including cylindrical tubular body 1, be located at tubulose intracoelomic cavity
And the cross section of spaced set is in the pipe walls support part 2 of " X " type and the end cover 3 positioned at tubular body both ends；Tubular body is
It is welded and is made after cans by steel plate or strip, the thickness of steel plate or strip is 0.3-2mm, a diameter of 5- of tubular body
15cm；Pipe walls support part is welded opposite to each other by two dish-shaped components, and dish-shaped component includes spherical bottom surface 21 and annular side
Face 22, the outer diameter of annular side is suitable with the internal diameter of tubular body, from propeller one by one to tubulose after pipe walls support part advance comprising
Intracoelomic cavity promotes, and the distance of two pipe walls support part central points is 3-6 times of tubular body diameter；The structure of end cover and single dish
The structure of shape component is identical, also includes spherical bottom surface 31 and annular side 32, and the spherical bottom surface of two end covers is prominent
For the end face at tubular body both ends.
As shown in Fig. 3,4,5,6, the precast floor slab of the utility model includes the mixed of support frame 4 and package support frame
Solidifying soil layer 5, support frame are compound steel tube layer, and each steel pipe layer is imitative bamboo structure by several equal lengths and arranged in parallel
Steel pipe tiles, and the spacing between the steel pipe and steel pipe of each steel pipe layer is 5-10cm, the steel pipe between adjacent two steel pipe layer
Its length direction is orthogonal, first, the length direction of third steel pipe layer steel pipe 41 it is parallel with the length direction of prefabricated board, it is same
Gap filling between layer and the steel pipe of different layers has concrete, each 42 both sides of steel pipe of the second steel pipe layer to be fixed with steel wire
43, the steel wire encircling is in each steel pipe of the first steel pipe layer and the vertical face of third steel pipe layer；Precast floor slab left and right side
The first level connection that concrete layer offers section semicircular in shape along the length direction of the first steel pipe layer steel pipe from the beginning to the end is recessed
Slot 51, precast floor slab bottom surface at precast floor slab front/rear end 10-40cm along the second steel pipe layer steel pipe length direction from
Head offers the horizontal connection groove 52 of section semicircular in shape second to tail；The left and right side of precast floor slab is further opened with and the first water
Flat connection groove communicates, the vertical material feeding groove 53 of section semicircular in shape, and the other end of material feeding groove extends to precast floor slab
Plate face, as shown in fig. 7, being further opened with for the fixed installation of pump valve fastening bolt in the plate face on the inside of vertical material feeding groove
Hole 54；It is embedded with vertical filling tube 6 in the concrete of second horizontal connection groove top, the vertical filling tube one end and groove-bottom
Face connects and communicates, the other end passes through the gap between each steel pipe layer steel pipe to extend to the plate face of precast floor slab, and filling tube nozzle is set
There is the internal thread 31 that can be screwed on pump valve grout outlet.
As shown in figure 8, when ground width it is larger, need two pieces or more precast floor slab carry out it is horizontally-spliced when, can first by
Several blocks of precast floor slabs are put in same plane, make the left side or right side of a wherein precast floor slab and another precast floor slab
Right side or left side are close, and keep the first level connection groove of adjacent two precast floor slab, the notch alignment of material feeding groove solid
It is fixed, vertical filling tube 7 and the first lateral cylindrical cavity 8 are constituted, then the grout outlet 91 of pump valve 9 is inserted into vertical filling tube
Fastening bolt 92 is simultaneously fixed on the mounting hole of filling tube both sides by nozzle, and filler material is pumped into the from vertical filling tube by pump
Formation first laterally links column in one lateral cylindrical cavity, makes adjacent two prefabricated building after first lateral connection column drying or molding
Plate forms a firm entirety.
Above by pump injection filler material can be concrete, consistence polymer or have expansile substance.
Claims (7)
1. a kind of precast floor slab, which includes the concrete layer of support frame and package support frame, it is characterised in that：
The support frame is steel pipe layer, and steel pipe layer is three layers, and each steel pipe layer is by several equal lengths and steel arranged in parallel
Pipe tiles；Steel pipe includes cylindrical tubular body, and it is in the tube wall branch of " X " type that the inner cavity spaced set of tubular body, which has cross section,
Support member, the distance of two pipe walls support part central points are 3-6 times of tubular body diameter, and the both ends of tubular body are equipped with end cover；
Steel pipe its length direction between adjacent two steel pipe layer is orthogonal, the length of the length direction and prefabricated board of the first steel pipe layer steel pipe
Degree direction is parallel, and the gap filling between same layer and the steel pipe of different layers has concrete, each steel pipe of the second steel pipe layer
Both sides are fixed with steel wire, and the steel wire encircling is in each steel pipe of the first steel pipe layer and the vertical face of third steel pipe layer；It is described pre-
A left side for floor processed or/and the concrete layer of right side offer from the beginning to the end along the length direction of first, third steel pipe layer steel pipe
First level links groove, the left side or/and right side of precast floor slab be further opened with communicated with first level connection groove it is vertical
The other end of material feeding groove, material feeding groove extends to the plate face of precast floor slab.
2. precast floor slab according to claim 1, it is characterised in that：The pipe walls support part of the steel pipe is by two dishes
Component is welded opposite to each other, and dish-shaped component includes spherical bottom surface and annular side, the outer diameter of annular side and the tubular body
Internal diameter it is suitable, promoted and positioned to tubulose intracoelomic cavity one by one from propeller after pipe walls support part advance comprising.
3. precast floor slab according to claim 2, it is characterised in that：The knot of the tubular body both ends end cover of the steel pipe
Structure is identical as the dish-shaped structure of component, and the spherical bottom surface of dish-shaped component protrudes from the end face of tubular body.
4. precast floor slab according to claim 3, it is characterised in that：The spherical radius of the spherical bottom surface of the dish component
It it is 1-3 times of tubular body diameter, the height of dish-shaped component annular side is 0.05-0.1 times of tubular body diameter.
5. precast floor slab according to claim 4, it is characterised in that：The tubular body is by steel plate or strip by curling
It is welded after molding, the thickness of steel plate or strip is 0.3-2mm, a diameter of 5-15cm of tubular body.
6. according to any precast floor slabs of claim 1-5, it is characterised in that：The precast floor slab is before prefabricated board
The concrete layer of prefabricated board bottom surface at rear end face 10-40cm offers from the beginning to the end along the length direction of the second steel pipe layer steel pipe
Second horizontal connection groove is embedded with vertical filling tube at the top of the second horizontal connection groove, the vertical filling tube one end with it is recessed
Groove bottom connects and communicates, the other end passes through the gap between each steel pipe layer steel pipe to extend to the plate face of precast floor slab, filling tube pipe
Mouth is equipped with the internal thread that connection can be exported with pump valve.
7. precast floor slab according to claim 6, it is characterised in that：The steel pipe and steel of each steel pipe layer of precast floor slab
Spacing between pipe is 5-10cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820231571.XU CN208023719U (en) | 2018-02-09 | 2018-02-09 | A kind of precast floor slab |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820231571.XU CN208023719U (en) | 2018-02-09 | 2018-02-09 | A kind of precast floor slab |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208023719U true CN208023719U (en) | 2018-10-30 |
Family
ID=63904704
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820231571.XU Active CN208023719U (en) | 2018-02-09 | 2018-02-09 | A kind of precast floor slab |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208023719U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109763570A (en) * | 2019-03-22 | 2019-05-17 | 刘大康 | A kind of L-type precast concrete |
-
2018
- 2018-02-09 CN CN201820231571.XU patent/CN208023719U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109763570A (en) * | 2019-03-22 | 2019-05-17 | 刘大康 | A kind of L-type precast concrete |
| CN109763570B (en) * | 2019-03-22 | 2020-09-11 | 广东永基电力器材厂有限公司 | L-shaped concrete prefabricated member |
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