CN106087988A - A kind of rotation expansion formula steel reinforcement cage - Google Patents
A kind of rotation expansion formula steel reinforcement cage Download PDFInfo
- Publication number
- CN106087988A CN106087988A CN201610657291.0A CN201610657291A CN106087988A CN 106087988 A CN106087988 A CN 106087988A CN 201610657291 A CN201610657291 A CN 201610657291A CN 106087988 A CN106087988 A CN 106087988A
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- CN
- China
- Prior art keywords
- cage
- interior
- muscle
- steel reinforcement
- cage body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/34—Concrete or concrete-like piles cast in position ; Apparatus for making same
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2300/00—Materials
- E02D2300/0026—Metals
- E02D2300/0029—Steel; Iron
- E02D2300/0034—Steel; Iron in wire form
Abstract
The present invention relates to building field, be specifically related to a kind of rotation expansion formula steel reinforcement cage, including: outer cage body, interior cage body and stretching, extension muscle, described interior cage body is set in the interior of outer cage body；Described outer cage body includes the main muscle of outer cage and outer cage stirrup；Described interior cage body includes the main muscle of interior cage and interior cage stirrup；Described stretching, extension top rib portion stretches out outside outer cage body, and root is hinged in interior cage body, and middle part is provided with bonding pad, and described stretching, extension muscle is connected with outer cage body by bonding pad, and described stretching, extension muscle is movable under the rotary action of interior cage body.The main muscle of outer cage, outer cage stirrup, the main muscle of interior cage, interior cage stirrup and stretching, extension muscle all use screw-thread steel to make.
Description
Technical field
The present invention relates to building field, be specifically related to a kind of rotation expansion formula steel reinforcement cage.
Background technology
Pilework is base structure commonly used in the buildings such as house, highway, bridge and harbour.Wherein, friction pile is
The frictional resistance relying on stake side supports the stake of vertical load, and from the point of view of the principle of friction pile, pile side friction removes the character with soil, executes
Outside the Pass work technique, material of body of a pile etc. have, also directly related with the concaveconvex shape of stake cross-sectional circumference girth and stake side surface.And it is conventional
The cross sectional shape of reinforced concrete pile is along being longitudinally constant, and cross sectional shape is also the most square or circular, so, and conventional steel
If reinforced concrete friction pile to obtain higher vertical bearing capacity, only by increasing, stake is long improves side friction.But,
Stake long can not arbitrarily increase, because construction costs is not only significantly increased, and stake is long is limited by slenderness ratio in relevant design specification
System.Such as, disclosed in CN104179174A, a kind of multiple holes grouting pipe shaped pile, arranges injected hole at pile tube sidewall, by concrete
Overflow formation Seed harvest from injected hole and improve the coefficient of friction of sidewall, thus improve frictional resistance, but, this Seed harvest does not contains
Having reinforcing bar, Seed harvest is more crisp, is susceptible to fracture, thus affects the load performance of stake under high intensity pressure.
Summary of the invention
The purpose of the present invention, is the problem in order to solve in background technology, it is provided that a kind of rotation expansion formula steel reinforcement cage.
The above-mentioned technical purpose of the present invention has the technical scheme that
A kind of rotation expansion formula steel reinforcement cage, including: outer cage body, interior cage body and stretching, extension muscle, described interior cage body is set in outer cage body
In；Described outer cage body includes the main muscle of outer cage and outer cage stirrup；Described interior cage body includes the main muscle of interior cage and interior cage stirrup；Described stretching, extension
Top rib portion stretches out outside outer cage body, and root is hinged in interior cage body, and middle part is provided with bonding pad, described stretching, extension muscle by bonding pad with
Outer cage body is connected, and described stretching, extension muscle is movable under the rotary action of interior cage body.The main muscle of outer cage, outer cage stirrup, the main muscle of interior cage, interior cage
Stirrup and stretching, extension muscle all use screw-thread steel to make.
As preferably, the quantity of the described main muscle of interior cage and interior cage stirrup is less than the main muscle of outer cage and the quantity of outer cage stirrup, uses
With cost-effective, and alleviate the weight of interior cage body, convenient in the rotation of cage body.
As preferably, described interior cage body and outer cage body coaxial line, described interior cage body has with this axis as axis of rotation
Function.
As preferably, described stretching, extension muscle root is provided with hinge eyes, and described hinge eyes is set on the main muscle of interior cage.
As preferably, described bonding pad is the closed-loop of strip, and the described main muscle of outer cage is through in ring.
As preferably, described bonding pad is connected as a body with described hinge eyes, and described bonding pad closed-loop is solid with described
The reinforcing bar determining ring partly overlaps.
As preferably, described bonding pad is made up of the strip annulus of two decussations, and two strip annulus will connect
Distinguishing and be slit into two the first crossing connected regions and the second connected region, the described main muscle of outer cage runs through described first connected region
Territory, described outer cage stirrup runs through described second connected region.
As preferably, described interior cage stirrup being provided with interior articulated joint, described stretching, extension muscle root is hinged on described articulated joint
On.
As preferably, described stretching, extension muscle root is provided with two parallel hinge eyes, and said two hinge eyes lays respectively at
The both sides of interior cage stirrup.
As preferably, described outer cage stirrup is provided with connecting rod, and described bonding pad is the closed-loop of strip, described connection
Bar is through in ring.
As preferably, between the described main muscle of outer cage and the described main muscle of interior cage, it is provided with dismountable strut, in order to prevent steel
During muscle cage hangs in stake holes, interior cage body external cage body mutually rotates.
As preferably, in described outer cage body, it is provided with the positioning bar of cage body axial restraint, described positioning bar and institute within using
State stretching, extension muscle not in approximately the same plane.
Use the construction method of above-mentioned rotation expansion formula steel reinforcement cage, comprise the following steps:
1, steel reinforcement cage is prepared: design calculates steel reinforcement cage size, is produced by size steel reinforcement cage；Need to be at reinforcing bar after steel reinforcement cage preparation
The top indicator of cage stretches the position of muscle；
2, pile hole: make to leave between the internal diameter of stake holes and the external diameter of steel reinforcement cage certain interval；
3, side opening is opened: use broaching equipment, the sidewall of stake holes is offered multiple side opening, and at stake holes top indicator side opening
Position and set up the absolute altitude of side opening；
4, hang steel reinforcement cage: hung by steel reinforcement cage above stake holes, rotate the position adjusting steel reinforcement cage during handling so that reinforcing bar
The labelling of labelling and stake holes top side opening that muscle is stretched at the top of cage aligns, and keeps stretching muscle simultaneously and be in receipts during handling
Hold together state；Putting down steel reinforcement cage, make steel reinforcement cage slowly insert in stake holes, steel reinforcement cage is hung onto appointment height by the absolute altitude of corresponding side opening
Degree, arrives after absolute altitude, cage body in rotating, and makes stretching, extension top rib end gradually outside cage body lateral expansion, when stretch muscle length direction with
When outer cage body is radially consistent, interior cage body of stopping the rotation；
5, casting concrete.
In sum, beneficial effects of the present invention:
A kind of rotation expansion formula steel reinforcement cage the most of the present invention, arranges stretching, extension muscle at side surface, adds rubbing of pile body sidewall
Wiping power, such that it is able to reduce driving depth, reduces piling construction cost.
A kind of rotation expansion formula steel reinforcement cage the most of the present invention, including inside and outside two circle steel reinforcement cages, improves reinforcing bar cage body
Axial load load.
A kind of rotation expansion formula steel reinforcement cage the most of the present invention, stretches the movable property of muscle, it is not necessary to additionally increase stake
Bore dia, adds sidewall stress performance simultaneously.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the expansion schematic diagram stretching muscle in the present invention；
Fig. 3 is to stretch muscle structural representation in the present invention in embodiment 1；
Fig. 4 is to stretch muscle structural representation in the present invention in embodiment 2；
Fig. 5 is to stretch muscle structural representation in the present invention in embodiment 3；
Fig. 6 is the structural representation of embodiment 4 in the present invention；
Fig. 7 is the structural representation of embodiment 5 in the present invention；
Fig. 8 is the structural representation of embodiment 6 in the present invention；
Fig. 9 is the structural representation of strut in the present invention；
Figure 10 is the structural representation of positioning bar in the present invention.
Detailed description of the invention
Specific examples below is only explanation of the invention, and it is not limitation of the present invention, art technology
The present embodiment can be made after reading this specification by personnel as required does not has the amendment of creative contribution, but as long as
All protected by Patent Law in scope of the presently claimed invention.
With embodiment, the present invention is described in detail below in conjunction with the accompanying drawings.
Embodiment 1:
According to Fig. 1, Fig. 2, a kind of rotation expansion formula steel reinforcement cage, including: a kind of rotation expansion formula steel reinforcement cage, including: outer cage
Body 1, interior cage body 2 and stretching, extension muscle 3, interior cage body 2 is set in the interior of outer cage body 1；Outer cage body 1 includes the main muscle of outer cage 11 and outer cage stirrup
12；Interior cage body 2 includes the main muscle of interior cage 21 and interior cage stirrup 22；Stretching muscle 3 top to stretch out outside outer cage body 1, root is hinged on interior cage
On body 2, middle part is provided with bonding pad 31, stretches muscle 3 and is connected with outer cage body 1 by bonding pad 31, stretches muscle 3 in interior cage body 2
Activity under rotary action, interior cage body 2 and outer cage body 1 coaxial line, interior cage body 2 has the function with this axis as axis of rotation.Outward
The main muscle of cage 11, outer cage stirrup 12, the main muscle of interior cage 21, interior cage stirrup 22 and stretching, extension muscle 3 all use screw-thread steel to make.
According to Fig. 3, stretching muscle 3 root and be provided with hinge eyes 32, hinge eyes 32 is set on the main muscle of interior cage 21.Connect
District 31 is the closed-loop of strip, and the main muscle of outer cage 11 is through in ring.
Comprise the following steps:
1, steel reinforcement cage is prepared: design calculates steel reinforcement cage size, is produced by size steel reinforcement cage；
The manufacture method of steel reinforcement cage is: 1. make some stretching, extension muscle 3；2. the hinge eyes 32 stretching muscle 3 is through on long reinforcing bar, will
The some long reinforcing bar being installed with stretching, extension muscle 3 is placed on moulding bed location, makes the main muscle of interior cage 21, is then enclosed in by some bar dowels
The main muscle of interior cage 21 is outer and welds, and makes interior cage stirrup 22, completes the making of interior cage body 2；3. by some long reinforcing bars on moulding bed in
The peripheral position location of cage body 2, by long reinforcing bar through the step 2. middle bonding pad 31 stretching muscle 3, the long steel behind location during location
Muscle is as the main muscle of outer cage 11 of outer cage body 1；4. some bar dowels it is enclosed on the main muscle of outer cage 11 and welds, forming outer cage stirrup
12；
The position of muscle 3 need to be stretched at the top indicator of steel reinforcement cage after steel reinforcement cage preparation.
2, pile hole: make to leave between the internal diameter of stake holes and the external diameter of steel reinforcement cage certain interval.
3, side opening is opened: use broaching equipment, the sidewall of stake holes is offered multiple side opening, and in stake holes top indicator side
The position in hole and set up the absolute altitude of side opening.
4, hang steel reinforcement cage: hung by steel reinforcement cage above stake holes, during handling, rotate the position adjusting steel reinforcement cage so that
The labelling of labelling and stake holes top side opening that muscle 3 is stretched at the top of steel reinforcement cage aligns, and keeps stretching muscle 3 during handling simultaneously
It is in rounding state；Putting down steel reinforcement cage, make steel reinforcement cage slowly insert in stake holes, steel reinforcement cage is hung onto finger by the absolute altitude of corresponding side opening
Determine height, after arriving absolute altitude, cage body 2 in rotating, make stretching, extension muscle 3 top gradually outside cage body 1 lateral expansion, when stretching muscle length
When direction is radially consistent with outer cage body 1, interior cage body 2 of stopping the rotation.
5, casting concrete pile.
Embodiment 2:
Being with above-described embodiment 1 difference, according to Fig. 4, bonding pad 31 is connected as a body with hinge eyes 32, and connects
District 31 closed-loop partly overlaps with the reinforcing bar of retainer ring 32.
Embodiment 3:
Being with above-described embodiment 1 difference, according to Fig. 5, bonding pad 31 is by the strip annulus of two decussations
Constituting, bonding pad 31 is divided into two the first crossing connected regions and the second connected region, outer cage master by two strip annulus
Muscle 11 runs through the first connected region, and outer cage stirrup 12 runs through the second connected region.
Embodiment 4:
Being with above-described embodiment 1 difference, according to Fig. 6, the quantity of the main muscle of interior cage 21 and interior cage stirrup 22 is less than outward
The main muscle of cage 11 and the quantity of outer cage stirrup 12, in the present embodiment, the main muscle of interior cage 21 selects two, significantly reduces interior cage body 2
Weight.It is provided with interior articulated joint 23 on interior cage stirrup 22, stretches muscle 3 root and be hinged in articulated joint 23.
Embodiment 5:
It is with above-described embodiment 4 difference, according to Fig. 7, stretches muscle 3 root and be provided with two parallel hinge eyes
32 ', two hinge eyes 32 ' lay respectively at the both sides of interior cage stirrup 22.
Embodiment 6:
Being with above-described embodiment 1 or 4 difference, according to Fig. 8, outer cage stirrup 12 is provided with connecting rod 13, bonding pad
31 is the closed-loop of strip, and connecting rod 13 is through in ring.
Embodiment 7:
On the basis of above-described embodiment 1, between the main muscle of outer cage 11 and the main muscle of interior cage 21, it is provided with dismountable strut 4, in order to
During preventing steel reinforcement cage from hanging in stake holes, the interior mutually external cage body of cage body 21 rotates.
Embodiment 8:
On the basis of above-described embodiment 1, in outer cage body 1, it is provided with the positioning bar 5 of cage body 2 axial restraint, positioning bar 5 within using
With stretching, extension muscle 3 not in approximately the same plane.
Claims (10)
1. a rotation expansion formula steel reinforcement cage, it is characterised in that including: outer cage body (1), interior cage body (2) and stretching, extension muscle (3), institute
State interior cage body (2) and be set in the interior of outer cage body (1)；
Described outer cage body (1) includes the main muscle of outer cage (11) and outer cage stirrup (12)；
Described interior cage body (2) includes the main muscle of interior cage (21) and interior cage stirrup (22)；
Outer cage body (1) is stretched out outward in described stretching, extension muscle (3) top, and root is hinged in interior cage body (2), and middle part is provided with bonding pad
(31), described stretching, extension muscle (3) is connected with outer cage body (1) by bonding pad (31), described stretching, extension muscle (3) turning in interior cage body (2)
The lower activity of action.
A kind of rotation expansion formula steel reinforcement cage the most according to claim 1, it is characterised in that described stretching, extension muscle (3) root sets
Being equipped with hinge eyes (32), described hinge eyes (32) is set on the main muscle of interior cage (21).
A kind of rotation expansion formula steel reinforcement cage the most according to claim 2, it is characterised in that described bonding pad (31) are strip
The closed-loop of shape, the main muscle of described outer cage (11) is through in ring.
A kind of rotation expansion formula steel reinforcement cage the most according to claim 2, it is characterised in that described bonding pad (31) are with described
Hinge eyes (32) is connected as a body, and the reinforcing bar of described bonding pad (31) closed-loop and described retainer ring (32) partly overlaps.
A kind of rotation expansion formula steel reinforcement cage the most according to claim 2, it is characterised in that described bonding pad (31) are by two
The strip annulus of decussation is constituted, and bonding pad (31) are divided into two the first crossing connected regions by two strip annulus
With the second connected region, the main muscle of described outer cage (11) runs through described first connected region, and described outer cage stirrup (12) runs through described
Second connected region.
A kind of rotation expansion formula steel reinforcement cage the most according to claim 1, it is characterised in that set on described interior cage stirrup (22)
Being equipped with interior articulated joint (23), described stretching, extension muscle (3) root is hinged in described articulated joint (23).
A kind of rotation expansion formula steel reinforcement cage the most according to claim 6, it is characterised in that described stretching, extension muscle (3) root sets
Being equipped with two parallel hinge eyes (32 '), said two hinge eyes (32 ') lays respectively at the both sides of interior cage stirrup (22).
A kind of rotation expansion formula steel reinforcement cage the most according to claim 1, it is characterised in that described outer cage stirrup (12) is arranged
Having connecting rod (13), described bonding pad (31) is the closed-loop of strip, and described connecting rod (13) is through in ring.
9. according to a kind of rotation expansion formula steel reinforcement cage described in claim 1-8 any one, it is characterised in that described outer cage master
Dismountable strut (4) it is provided with between muscle (11) and the main muscle of described interior cage (21).
10. according to a kind of rotation expansion formula steel reinforcement cage described in claim 1-8 any one, it is characterised in that described outer cage
The positioning bar (5) of cage body (2) axial restraint within using it is provided with in body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610657291.0A CN106087988A (en) | 2016-08-12 | 2016-08-12 | A kind of rotation expansion formula steel reinforcement cage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610657291.0A CN106087988A (en) | 2016-08-12 | 2016-08-12 | A kind of rotation expansion formula steel reinforcement cage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106087988A true CN106087988A (en) | 2016-11-09 |
Family
ID=57456689
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610657291.0A Pending CN106087988A (en) | 2016-08-12 | 2016-08-12 | A kind of rotation expansion formula steel reinforcement cage |
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| Country | Link |
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| CN (1) | CN106087988A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114247833A (en) * | 2021-11-23 | 2022-03-29 | 中铁四局集团第四工程有限公司 | Hinge type large-diameter pipe joint reinforcement cage shaping formwork and construction method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0820945A (en) * | 1994-07-06 | 1996-01-23 | Sumitomo Metal Ind Ltd | Foot protection at front end of foundation pile and device therefor |
| CN201598633U (en) * | 2010-03-03 | 2010-10-06 | 东南大学 | Drilling cast-in-place pile |
| CN102061699A (en) * | 2010-12-02 | 2011-05-18 | 上海城建（集团）公司 | Reinforcing bar of bottom-reamed bored pile and construction method thereof |
| CN103161154A (en) * | 2013-04-15 | 2013-06-19 | 合肥建工集团有限公司 | Distribution and application of pile foundation well squeezed bearing disk steel bars |
| KR200477653Y1 (en) * | 2015-04-10 | 2015-07-09 | 윤용병 | Smart expandable pre-fabricating reinforcement bar structure |
| CN205954614U (en) * | 2016-08-12 | 2017-02-15 | 中国地质大学（武汉） | Rotatory extension formula steel reinforcement cage |
-
2016
- 2016-08-12 CN CN201610657291.0A patent/CN106087988A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0820945A (en) * | 1994-07-06 | 1996-01-23 | Sumitomo Metal Ind Ltd | Foot protection at front end of foundation pile and device therefor |
| CN201598633U (en) * | 2010-03-03 | 2010-10-06 | 东南大学 | Drilling cast-in-place pile |
| CN102061699A (en) * | 2010-12-02 | 2011-05-18 | 上海城建（集团）公司 | Reinforcing bar of bottom-reamed bored pile and construction method thereof |
| CN103161154A (en) * | 2013-04-15 | 2013-06-19 | 合肥建工集团有限公司 | Distribution and application of pile foundation well squeezed bearing disk steel bars |
| KR200477653Y1 (en) * | 2015-04-10 | 2015-07-09 | 윤용병 | Smart expandable pre-fabricating reinforcement bar structure |
| CN205954614U (en) * | 2016-08-12 | 2017-02-15 | 中国地质大学（武汉） | Rotatory extension formula steel reinforcement cage |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114247833A (en) * | 2021-11-23 | 2022-03-29 | 中铁四局集团第四工程有限公司 | Hinge type large-diameter pipe joint reinforcement cage shaping formwork and construction method |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161109 |
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