CN207063012U - Pile crown for pile bearing capacity static test stretches out reinforcing steel bar connecting device - Google Patents
Pile crown for pile bearing capacity static test stretches out reinforcing steel bar connecting device Download PDFInfo
- Publication number
- CN207063012U CN207063012U CN201720844712.0U CN201720844712U CN207063012U CN 207063012 U CN207063012 U CN 207063012U CN 201720844712 U CN201720844712 U CN 201720844712U CN 207063012 U CN207063012 U CN 207063012U
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- China
- Prior art keywords
- pile
- hole
- pile crown
- backing plate
- conversion
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- Expired - Fee Related
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- 238000012360 testing method Methods 0.000 title claims abstract description 38
- 230000003068 static effect Effects 0.000 title claims abstract description 21
- 229910001294 Reinforcing steel Inorganic materials 0.000 title claims abstract description 18
- 238000006243 chemical reaction Methods 0.000 claims abstract description 65
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 23
- 239000000725 suspension Substances 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 6
- 238000003466 welding Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 230000002787 reinforcement Effects 0.000 abstract description 3
- 229910000831 Steel Inorganic materials 0.000 description 6
- 238000010276 construction Methods 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 238000004873 anchoring Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
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- Piles And Underground Anchors (AREA)
Abstract
The pile crown that the utility model is related to the anchor pile a kind of static test suitable for pile bearing capacity or uplift pile stretches out reinforcing steel bar connecting device.The present apparatus includes being arranged on the conversion connector at pile crown, the through hole for stretching out reinforcing bar for pile crown and passing through is provided with the conversion connector, the pile crown stretches out part of the stretching of reinforcing bar on the upside of the conversion connector and forms clamping part, and the bolt hole for being engaged with pull bar is additionally provided with the conversion connector；The present apparatus also includes the fixture being installed on the clamping part.The utility model avoids pile crown and stretches out the cumbersome working procedures such as reinforcement welding, not only in-site installation and dismounting are more convenient, and it is beneficial to the raising of stringency of test, while the efficiency that foundation pile test platform is set up and dismantled is improved, also it is effectively guaranteed the security and stability of test platform.
Description
Technical field
The utility model belongs to pile bearing capacity Static Test Technique field, and in particular to one kind is applied to pile bearing capacity
The pile crown of anchor pile or uplift pile in static test stretches out reinforcing steel bar connecting device.
Background technology
Pile foundation is a kind of most commonly used base form of domestic application, and its construction quality directly influences superstructure
Safety.Pile bearing capacity static test is by applying continuing load, record load, displacement and time step by step in test pile stake top
Relation, so as to analyze, determine the bearing capacity of single pile.Therefore pile bearing capacity static test is to ensure that construction quality must can not
Few technological means.Pile bearing capacity static test is individually placed to design and constructed two stages in most cases, that is, before constructing
Foundation is provided for design, the engineering pile detection after construction then provides foundation for the acceptance of work.
Foundation pile static loading test is generally using anchoring pile resistance to plucking counter-force (i.e. anchored pile-testing method) and heap weight counter-force platform two ways at present.
Static load test counter-force is provided for anchored pile-testing method, is that anchoring pile pile body steel reinforcement cage cage bar is connected by way of welding in the prior art
In girder steel both ends, not only welding job amount is big for this connected mode, and test platform sets up time length, and efficiency is low, and site welding
Connect quality and be difficult to ensure card, may result in primary and secondary beam stress asymmetry, influence test accuracy, serious meeting causes test platform unstability
Topple, therefore urgently improve.
Utility model content
In order to overcome and avoid weak point of the prior art, it is quiet to be used for pile bearing capacity the utility model proposes one kind
The pile crown for carrying experiment stretches out reinforcing steel bar connecting device.The utility model is simple in construction, and construction is reasonable, avoids pile crown and stretches out steel bar welding
Cumbersome process, in-site installation and the convenient disassembly such as connect, improve the efficiency that foundation pile test platform is set up and dismantled, ensure that examination
Test the stability of platform.
In order to realize the purpose of this utility model, the utility model employs following technical scheme：
A kind of pile crown for pile bearing capacity static test stretches out reinforcing steel bar connecting device, and the present apparatus includes being arranged on pile crown
The conversion connector at place, the through hole for stretching out reinforcing bar for pile crown and passing through is provided with the conversion connector, and the pile crown stretches out steel
Part of the stretching of muscle on the upside of the conversion connector forms clamping part, is additionally provided with and is used for and pull bar on the conversion connector
The bolt hole being engaged；The present apparatus also includes the fixture being installed on the clamping part.
Preferably, the conversion connector includes conversion connection member and backing plate；The conversion connection member includes concentric
The inner ring and outer rings for setting and being connected with each other, conversion through hole is provided between the inner ring and outer rings, the outside of the outer shroud is provided with
Draw rod attachment part, the bolt hole are arranged at draw rod attachment part；The backing plate lid is located at the upside of the inner ring and outer rings, pad
Plate is provided with the backing plate through hole for stretching out reinforcing bar for pile crown and stretching out；The conversion through hole forms described lead to corresponding connect of backing plate through hole
Hole；The fixture is arranged on the top of the backing plate.
Preferably, the conversion connection member is provided with some connection floors, the connection rib between inner ring and outer rings
Plate radially connects inner ring and outer rings, adjacent between this some connection floor is equably laid in inner ring and outer rings along ring
The conversion through hole of sector is formed between connection floor.
Preferably, to be circular, the backing plate through hole on the backing plate corresponds with the conversion through hole to be set the backing plate
Put.
Preferably, the draw rod attachment part is arranged to two, and two draw rod attachment parts are symmetricly set on the both sides of outer shroud.
Preferably, the fixture is self-locking clamp.
It is further preferred that the backing plate through hole is Long Circle or oval, and the length direction of backing plate through hole is along pad
The radial direction of plate is set.
It is further preferred that the draw rod attachment part includes affixed each other otic placode and deep floor；The plate of the otic placode
Face is perpendicular to the axial direction of inner ring and outer rings, and one end of otic placode is fixedly connected with outer shroud, and the other end prolongs to the side away from outer shroud
Stretch and suspend；The deep floor is arranged to parallel to each other several of plate face, and the plate face of deep floor is perpendicular to the otic placode
Plate face, and the plate face of deep floor is parallel with the axial direction of outer shroud, and one end of the deep floor is fixedly connected with outer shroud, separately
Suspension direction of the one end along otic placode extends and suspended；The bolt hole is opened between adjacent deep floor.
Preferably, the bolt hole is opened in the end of otic placode, and the side towards end part of lug plate of bolt hole is opening
Shape.
The beneficial effects of the utility model are：
1) attachment means in the utility model are mainly made up of conversion connector and fixture, are connected the conversion during use
Connect device to be placed at pile crown, and pile crown is stretched out the through hole that reinforcing bar is upward through on the conversion connector, pile crown stretches out reinforcing bar
The part stretched out on the upside of conversion connector forms clamping part, and fixture then is folded in into the clamping part.Due to fixture
It is clamped in the clamping part that pile crown stretches out reinforcing bar, so as to limit the movement of conversion connector, in other words, fixture and conversion connector
It is engaged so that the attachment means in the utility model form an entirety with foundation pile.Thus, the utility model avoids pile crown
The cumbersome working procedures such as reinforcement welding are stretched out, not only in-site installation and dismounting are more convenient, and are beneficial to result of the test essence
The raising of degree, while the efficiency that foundation pile test platform is set up and dismantled is improved, also it is effectively guaranteed the safety of test platform
Stability.
2) conversion connector in the utility model is made up of conversion connection member and backing plate.The conversion connection member one
Aspect and backing plate, which are engaged, to be formed with fixture against cooperation, and the connection realized with crossbeam is on the other hand then engaged with pull bar.
The backing plate is then used to increase lifting surface area, so as to be advantageous to that load is effectively passed to the conversion connection member of lower section.This reality
It is fitted to each other with the conversion connection member in new and backing plate, not only greatly simplifies structure, and make conversion connector
It is more reasonable for a unitary construction, it is more uniformly stressed.
3) the conversion connection member in the utility model is by inner ring, outer shroud, connection floor and the part structure of draw rod attachment part four
Into.The inner ring, outer shroud are the cartridge being arranged concentrically.The connection floor is connected between inner ring, outer shroud, so as to adjacent
Connection floor between form the conversion through hole of larger fan shape, the conversion through hole of this fan shape because gap is larger, because
This is easy to pile crown stretching reinforcing bar to pass through, easy for installation.The steel that conversion connection member making in the utility model uses are few, matter
Amount is light, and cost is relatively low and reasonable stress.
4) Long Circle or ovate corresponding with the conversion through hole of sector is offered on the backing plate in the utility model
Backing plate through hole, equally it is easy to pile crown to stretch out reinforcing bar and passes through, convenience quick for installation；The backing plate through hole is arranged to Long Circle or oval
Shape can not only reduce the dosage of steel, and advantageously reduce stress concentration phenomenon, can effectively improve the use of backing plate
Life-span.
5) draw rod attachment part in the utility model includes affixed each other otic placode and deep floor；Otic placode and deep floor
Structural strength can be effectively improved by being fitted to each other.The spiral shell passed through for pull bar is offered on otic placode between adjacent deep floor
Keyhole, the bolt hole is opened in the end of otic placode, and the side towards end part of lug plate of bolt hole is openning shape.This side
Bolt hole with opening is easy to the installation and regulation of pull bar, can along the lengthwise location of bolt hole just because of pull bar
Adjust, so as to which the utility model reduces the situation of load beam eccentric force, ensure that the symmetry of girder or secondary beam both ends stress
With the security and stability of test platform.
6) fixture in the utility model is self-locking clamp, and specifically, self-locking clamp is by chuck body and from spiral shell
Line formula intermediate plate is formed, and after pile crown stretches out the chuck body that reinforcing bar is passed through on annular backing plate, corresponding reinforcing bar is put into chuck body
The intermediate plate of diameter, after chuck body stress, intermediate plate will tightly pin pile crown and stretch out reinforcing bar, so as to drastically increase connection
Fastness.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the top view of the conversion connection member in Fig. 1.
Fig. 3 is the top view of the conversion connector in the utility model.
Fig. 4 is Fig. 3 upward view.
Fig. 5 is use state diagram of the present utility model.
Fig. 6 is Fig. 5 left view.
Mark meaning in figure is as follows：
1- inner ring 2- outer shrouds 3- connection floor 4- deep floor 5- otic placodes
6- bolt hole 7- fixture 8- backing plate 9- pile crowns stretch out reinforcing bar 10- pile crowns
11- pull bar 12- crossbeam 13- baffle plate 14- girders or secondary beam 15- nuts
16- nut shims.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
As shown in figs. 1 to 6, a kind of pile crown for pile bearing capacity static test stretches out reinforcing steel bar connecting device, the present apparatus
Including the conversion connector being arranged at pile crown 10, it is provided with the conversion connector and leads to for what pile crown stretching reinforcing bar 9 passed through
Hole, the pile crown stretch out part of the stretching of reinforcing bar 9 on the upside of the conversion connector and form clamping part, the conversion connector
On be additionally provided with bolt hole 6 for being engaged with pull bar 11；The present apparatus also includes the fixture 7 being installed on the clamping part.
As shown in figs. 1 to 6, the conversion connector includes conversion connection member and backing plate 8；The conversion connection member bag
The inner ring 1 for being arranged concentrically and being connected with each other and outer shroud 2 are included, conversion through hole, the outer shroud 2 are provided between the inner ring 1 and outer shroud 2
Outside be provided with draw rod attachment part, the bolt hole 6 is arranged at draw rod attachment part；The lid of backing plate 8 is located at the He of inner ring 1
The upside of outer shroud 2, backing plate 8 are provided with the backing plate through hole for stretching out reinforcing bar 9 for pile crown and stretching out；The conversion through hole and backing plate through hole pair
It should connect and form the through hole；The fixture 7 is arranged on the top of the backing plate 8.
As shown in Figure 2,4, the conversion connection member is provided with some connection floors 3, institute between inner ring 1 and outer shroud 2
State connection floor 3 and radially connect inner ring 1 and outer shroud 2, this some connection floor 3 is equably laid in the He of inner ring 1 along ring
Between outer shroud 2, the conversion through hole of sector is formed between adjacent connection floor 3.
As shown in Figure 3,4, for the backing plate 8 to be circular, the backing plate through hole on the backing plate 8 changes through hole one by one with described
It is correspondingly arranged.The backing plate through hole is Long Circle or oval, and radial direction of the length direction of backing plate through hole along backing plate 8
Set.
As shown in figs. 1 to 6, the draw rod attachment part is arranged to two, and two draw rod attachment parts are symmetricly set on outer shroud 2
Both sides.The draw rod attachment part includes affixed each other otic placode 5 and deep floor 4；The plate face of the otic placode 5 is perpendicular to inner ring
1 and the axial direction of outer shroud 2, and one end of otic placode 5 is fixedly connected with outer shroud 2, the other end extends and hanged to the side away from outer shroud 2
Put；The deep floor 4 is arranged to parallel to each other several of plate face, the plate of the plate face of deep floor 4 perpendicular to the otic placode 5
Face, and the plate face of deep floor 4 is parallel with the axial direction of outer shroud 2, one end of the deep floor 4 is fixedly connected with outer shroud 2, separately
Suspension direction of the one end along otic placode 5 extends and suspended；The bolt hole 6 is opened between adjacent deep floor 4.
As shown in Figure 3,4, the bolt hole 6 is opened in the end of otic placode 5, and one towards end part of lug plate of bolt hole 6
Side is openning shape.Three bolts hole 6 are offered on each draw rod attachment part in the present embodiment, then whole device is provided with six spiral shells altogether
Keyhole 6.
As shown in Fig. 1,4,5,6, the fixture 7 is self-locking clamp.
The course of work of the present utility model is described further below in conjunction with the accompanying drawings.
First that the stake top of anchor pile or tension stake is levelling when setting up test platform, pile crown stretches out the straightening as far as possible of reinforcing bar 9, stretches
Go out length and be not preferably less than 60cm, then conversion connection member is placed on pile crown 10, ensure conversion connection member horizontal and stably,
Allow pile crown to stretch out reinforcing bar 9 to pass from the conversion through hole of the fan shape of conversion connection member；Make the ovate of annular backing plate 8 again
Backing plate through hole stretches out reinforcing bar 9 through pile crown, and annular backing plate 8 is positioned on conversion connection member, and rotating annular backing plate 8 makes
The conversion through-hole alignment of ovate backing plate through hole thereon and the fan shape of conversion connection member；In each ovate backing plate
The pile crown that through hole passes, which is stretched out on reinforcing bar 9, puts self-locking clamp, and selects the intermediate plate matched with bar diameter.Lifting cross beam
12, the bolt hole that crossbeam 12 is provided with a side opening is U-bolt hole, is made on U-bolt hole and the otic placode 5 of the both sides of crossbeam 12
U-bolt hole 6 is caught in pull bar 11 in corresponding U-bolt hole, tightens hex nut 15, make self-locking in vertical non-alignment
The stress of fixture 7, so far installment work are completed.
Certainly, can according to the diameter of test pile come make the pile crown of respective diameters stretch out reinforcing steel bar connecting device, general one
Pile crown stretches out reinforcing steel bar connecting device and is applicable to the foundation pile of multiple diameter, such as makes inner ring 500mm, outer shroud 1200mm device,
Then a diameter of 600~1100mm foundation pile can be applicable, not only economic and practical, and convenience and high-efficiency.
Claims (9)
1. a kind of pile crown for pile bearing capacity static test stretches out reinforcing steel bar connecting device, it is characterised in that：The present apparatus includes
The conversion connector at pile crown (10) place is arranged on, is provided with the conversion connector and leads to for what pile crown stretching reinforcing bar (9) passed through
Hole, the pile crown stretch out part of the stretching of reinforcing bar (9) on the upside of the conversion connector and form clamping part, the conversion connection
The bolt hole (6) for being engaged with pull bar (11) is additionally provided with device；The present apparatus also includes the folder being installed on the clamping part
Have (7).
2. a kind of pile crown for pile bearing capacity static test as claimed in claim 1 stretches out reinforcing steel bar connecting device, it is special
Sign is：The conversion connector includes conversion connection member and backing plate (8)；It is described conversion connection member include be arranged concentrically and
The inner ring (1) and outer shroud (2) being connected with each other, conversion through hole is provided between the inner ring (1) and outer shroud (2), the outer shroud (2)
Outside is provided with draw rod attachment part, and the bolt hole (6) is arranged at draw rod attachment part；Backing plate (8) lid is located at the inner ring
(1) and outer shroud (2) upside, backing plate (8) be provided with for pile crown stretch out reinforcing bar (9) stretch out backing plate through hole；The conversion through hole
The through hole is formed with corresponding connect of backing plate through hole；The fixture (7) is arranged on the top of the backing plate (8).
3. a kind of pile crown for pile bearing capacity static test as claimed in claim 2 stretches out reinforcing steel bar connecting device, it is special
Sign is：The conversion connection member is provided with some connection floors (3), the connection rib between inner ring (1) and outer shroud (2)
Plate (3) radially connects inner ring (1) and outer shroud (2), and this some connection floor (3) is equably laid in inner ring (1) along ring
Between outer shroud (2), the conversion through hole of sector is formed between adjacent connection floor (3).
4. a kind of pile crown for pile bearing capacity static test as claimed in claim 2 stretches out reinforcing steel bar connecting device, it is special
Sign is：To be circular, the backing plate through hole on the backing plate (8) corresponds with the conversion through hole to be set the backing plate (8).
5. a kind of pile crown for pile bearing capacity static test as claimed in claim 2 stretches out reinforcing steel bar connecting device, it is special
Sign is：The draw rod attachment part is arranged to two, and two draw rod attachment parts are symmetricly set on the both sides of outer shroud (2).
6. a kind of pile crown for pile bearing capacity static test as claimed in claim 2 stretches out reinforcing steel bar connecting device, it is special
Sign is：The fixture (7) is self-locking clamp.
7. a kind of pile crown for pile bearing capacity static test as claimed in claim 4 stretches out reinforcing steel bar connecting device, it is special
Sign is：The backing plate through hole is Long Circle or oval, and radial direction of the length direction of backing plate through hole along backing plate (8)
Set.
8. a kind of pile crown for pile bearing capacity static test as claimed in claim 5 stretches out reinforcing steel bar connecting device, it is special
Sign is：The draw rod attachment part includes affixed each other otic placode (5) and deep floor (4)；The plate face of the otic placode (5) is vertical
In inner ring (1) and the axial direction of outer shroud (2), and one end of otic placode (5) is fixedly connected with outer shroud (2), and the other end is to away from outer shroud (2)
Side extend and suspend；The deep floor (4) is arranged to parallel to each other several of plate face, the plate face of deep floor (4)
Plate face perpendicular to the otic placode (5), and the plate face of deep floor (4) is parallel with the axial direction of outer shroud (2), the deep floor
(4) one end is fixedly connected with outer shroud (2), and suspension direction of the other end along otic placode (5) extends and suspended；The bolt hole
(6) it is opened between adjacent deep floor (4).
9. a kind of pile crown for pile bearing capacity static test as claimed in claim 8 stretches out reinforcing steel bar connecting device, it is special
Sign is：The bolt hole (6) is opened in the end of otic placode (5), and the side towards end part of lug plate of bolt hole (6) is opening
Shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720844712.0U CN207063012U (en) | 2017-07-12 | 2017-07-12 | Pile crown for pile bearing capacity static test stretches out reinforcing steel bar connecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720844712.0U CN207063012U (en) | 2017-07-12 | 2017-07-12 | Pile crown for pile bearing capacity static test stretches out reinforcing steel bar connecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207063012U true CN207063012U (en) | 2018-03-02 |
Family
ID=61511654
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720844712.0U Expired - Fee Related CN207063012U (en) | 2017-07-12 | 2017-07-12 | Pile crown for pile bearing capacity static test stretches out reinforcing steel bar connecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207063012U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107246034A (en) * | 2017-07-12 | 2017-10-13 | 安徽省建筑科学研究设计院 | Pile crown for pile bearing capacity static test stretches out reinforcing steel bar connecting device |
-
2017
- 2017-07-12 CN CN201720844712.0U patent/CN207063012U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107246034A (en) * | 2017-07-12 | 2017-10-13 | 安徽省建筑科学研究设计院 | Pile crown for pile bearing capacity static test stretches out reinforcing steel bar connecting device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 230001 No.567, Shanhu Road, Shushan District, Hefei City, Anhui Province Patentee after: ANHUI INSTITUTE OF BUILDING RESEARCH & DESIGN Patentee after: Anhui Construction Engineering Testing Technology Group Co.,Ltd. Address before: 230001 No.567, Shanhu Road, Shushan District, Hefei City, Anhui Province Patentee before: ANHUI INSTITUTE OF BUILDING RESEARCH & DESIGN Patentee before: QUALITY OF CONTRUCTION IN ANHUI PROVINCE SUPERVISION AND INSPECTION STATION |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180302 |