CN206887957U - A kind of construction of prefabricated piles auxiliary stand - Google Patents
A kind of construction of prefabricated piles auxiliary stand Download PDFInfo
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- CN206887957U CN206887957U CN201720372747.9U CN201720372747U CN206887957U CN 206887957 U CN206887957 U CN 206887957U CN 201720372747 U CN201720372747 U CN 201720372747U CN 206887957 U CN206887957 U CN 206887957U
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Abstract
The utility model discloses a kind of construction of prefabricated piles auxiliary stand, it is arranged on above pre-manufactured hole, for supporting and positioning prefabricated pile, including base, and the sleeve being arranged on base, base top are welded as a whole with sleeve bottom, the hollow setting of sleeve, base center is provided with the through hole for connecting and setting with sleeve, and set medial wall of the tube is provided with some fasteners for being used to fixing and positioning prefabricated pile, and fastener is set along set medial wall of the tube circumference ring.The utility model is constructed by auxiliary stand, and construction effect is good, and operating efficiency is high.
Description
Technical field
Technical field of civil engineering is the utility model is related to, more specifically, it relates to a kind of construction of prefabricated piles auxiliary branch
Frame.
Background technology
Prefabricated pile, it is one of stake type commonly used in China's building field, it is advantageous that larger load can be born, applied
Work speed is fast, the problems such as particularly avoiding undergauge, the broken pile of cast-in-place mixed mud pile foundation.
It is mainly at present that diesel oil hammering and static pressure method, both approaches are each advantageous by the method that prefabricated pile is squeezed into ground
Also there is a shortcoming, the noise and fume pollution degree of diesel oil hammering method are also slower.And the quality that is not avoided that of both approaches and
Construction risk is：When meeting the harder geological condition of the soil layers such as layer of sand, metalling, penetration capacity is low, and construction efficiency is slow, particularly
The pile crown of prefabricated pile and stake bottom can produce huge stress concentration in pile driving process, inevitably occur pile strength by
Damage, prefabricated pile does not have the operation of aid coordinative construction in construction, phenomena such as pile crown cleaves, shortcake splits just easily occurs, is building
Thing will have a strong impact on structural safety in the case of pressing for a long time.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of construction of prefabricated piles auxiliary branch
Frame, constructed by auxiliary stand, construction effect is good, and operating efficiency is high.
Above-mentioned technical purpose of the present utility model technical scheme is that：A kind of construction of prefabricated piles is auxiliary
Support is helped, is arranged on above pre-manufactured hole, for supporting and positioning prefabricated pile, including base, and the sleeve being arranged on base,
Base top is welded as a whole with sleeve bottom, the hollow setting of sleeve, and base center is provided with the through hole for connecting and setting with sleeve, set
Medial wall of the tube is provided with some fasteners for being used to fixing and positioning prefabricated pile, and fastener is set along set medial wall of the tube circumference ring.
By using above-mentioned technical proposal, the setting of construction of prefabricated piles auxiliary stand, facilitate the support to prefabricated pile and determine
Position, when the pile crown of prefabricated pile and stake bottom produce huge stress concentration in pile driving process, pile body stress is not easy to be damaged, pre-
It is simple to operate during pile driving construction processed, it is time saving and energy saving.
The utility model is further arranged to, and the set medial wall of the tube is provided with some grooves, and bottom portion of groove is provided with and set
The jack that cylinder lateral wall connection is set, fastener are plugged in jack.
By using above-mentioned technical proposal, fastener is set in sleeve, the prefabricated pile of plurality of specifications can be adapted to, is supported
Convenient, the safe operation with positioning.
The utility model is further arranged to, and the fastener includes the slotting key being plugged in jack, is set on slotting key
Elastic component, and be arranged on slotting key end be used for spacing elastic component arc-shaped limit piece, insert key extended to from sleeve lateral wall
On the inside of sleeve.
By using above-mentioned technical proposal, arc-shaped limit piece abuts with the prefabricated pile of insertion sleeve, is sunk down into prefabricated pile
During pre-manufactured hole, the frictional resistance of stake is added, avoids the accuracy in broken pile and sinking direction.
The utility model is further arranged to, and bottom portion of groove, the other end of elastic component are fixed in one end of the elastic component
Connect arc-shaped limit piece.
By using above-mentioned technical proposal, elastic component stable connection, it is not easy to deviate from.
The utility model is further arranged to, and the base lower surface is provided with bradyseism part.
By using above-mentioned technical proposal, effectively reduce prefabricated pile and construction of prefabricated piles is aided in hammering or vibration processes
The damage of support, alleviate impact stress during piling.
The utility model is further arranged to, and the bradyseism part is made up of rubber cushion or cotton pad.
By using above-mentioned technical proposal, bradyseism part is easily manufactured, and material is cheap, and consuming cost is low.
The utility model is further arranged to, and the base and sleeve are made up of steel.
By using above-mentioned technical proposal, steel plasticity and good toughness, compression strength is high, and the load born is big, is easy to transport
Defeated and installation.
The utility model is further arranged to, and some diagonal braces are equipped with the sleeve lateral wall.
By using above-mentioned technical proposal, strengthen sleeve axial direction anti-pressure ability, strengthen the anti-pressure ability of sleeve, lengthening sleeve
Service life.
The utility model is further arranged to, and the madial wall of the prefabricated pile is equipped with some self-locking devices, self-locking device
Positioned at the bottom of prefabricated pile.
By using above-mentioned technical proposal, prefabricated pile bottom sets self-locking device, makes steel after the interior insertion steel reinforcement cage of prefabricated pile
Muscle cage, which is lockable, to be extracted.
The utility model is further arranged to, and the self-locking device includes the embedded groove for being arranged on prefabricated pile madial wall,
The Flexible Connector being arranged in groove, and the wedge being arranged on Flexible Connector.
By using above-mentioned technical proposal, after inserting steel reinforcement cage in prefabricated pile, steel reinforcement cage is pinned and can not extracted by wedge,
After concrete perfusion in steel reinforcement cage, the anti-pulling capacity of prefabricated pile can guarantee that.
In summary, the utility model has the advantages that：
First, the setting of construction of prefabricated piles auxiliary stand, convenient support and positioning to prefabricated pile；
Second, base lower surface is provided with bradyseism part, prefabricated pile is effectively reduced in hammering or vibration processes to prefabricated pile
The damage of construction auxiliary stand, alleviates impact stress during piling；
Third, being equipped with some diagonal braces on sleeve lateral wall, strengthen sleeve axial direction anti-pressure ability, strengthen the resistance to compression energy of sleeve
Power, lengthening sleeve service life；
Fourth, prefabricated pile bottom sets self-locking device, and steel reinforcement cage bottom is welded with steel ring, makes to insert reinforcing bar in prefabricated pile
The steel ring of steel reinforcement cage bottom coordinates with self-locking device and fixed after cage, and steel reinforcement cage, which is lockable, to be extracted, and after concrete perfusion, can be protected
Demonstrate,prove the anti-pulling capacity of prefabricated pile.
Brief description of the drawings
Fig. 1 is the structural representation of the present embodiment one；
Fig. 2 is the construction process figure of the present embodiment one, including a, b, c, d, e, f, g view；
Fig. 3 is the structural representation of the present embodiment two；
Fig. 4 is the tube-in-tube structure schematic diagram of the present embodiment two, primarily to embodying fastener nature on sleeve；
Fig. 5 is the tube-in-tube structure schematic diagram of the present embodiment two, primarily to embodying fastener pressured state on sleeve；
Fig. 6 is the close-up schematic view of A in Fig. 2, primarily to embodying the structure of self-locking device；
Fig. 7 is self-locking device and steel ring cooperation schematic diagram.
In figure：1st, piling machine；2nd, auxiliary stand；21st, base；22nd, sleeve；23rd, fastener；231st, key is inserted；232nd, it is elastic
Part；233rd, arc-shaped limit piece；24th, groove；25th, jack；3rd, pre-manufactured hole；4th, prefabricated pile；5th, steel reinforcement cage；6th, prefabricated stake center；7th, delay
Shake part；8th, diagonal brace；9th, self-locking device；91st, groove；92nd, Flexible Connector；93rd, wedge；10th, steel ring.
Embodiment
With reference to the accompanying drawings and examples, the utility model is described in detail.
Embodiment one：A kind of construction of prefabricated piles method, referring to Figures 1 and 2, wherein Fig. 1 includes a, b, c, d, e, f, g shape
State schematic diagram, specifically includes following steps：
Step 1：Survey fixed pile, foundation ditch surveying and locating, according to disclosed in the design drawing of prefabricated pile 4 and engineering geology report
Geological condition, determine the excavation of foundation pit depth of prefabricated pile 4 and aperture, after flattening place, demarcated according to the centre mount of prefabricated pile 4 pre-
The central point of stake 4 processed；
Step 2：Manufacture pre-manufactured hole 3, designed elevation and aperture according to prefabricated pile 4, using piling machine 1 on ground edge
Central point drills downwards；
Step 3：Pre-manufactured hole 3 is cleared up, sillar is crushed with pneumatic drilling equipment, is suctioned out after broken with suction dredge, until design
Absolute altitude；
Step 4：Prefabricated pile 4 is built into hole after pore-forming, is set before plugging prefabricated pile 4 in the bottom of the madial wall of prefabricated pile 4
Self-locking device 9, and auxiliary stand 2 is set in the opening of pre-manufactured hole 3, the bottom of prefabricated pile 4 is inserted on auxiliary stand 2；
Step 5：Make prefabricated pile 4 with pre-manufactured hole 3 to be oriented to being lowered into soil；
Step 6：Above-mentioned steps five are repeated, until prefabricated pile 4 is drowned into projected depth；
Step 7：Steel ring is welded in the bottom of steel reinforcement cage 5, and the steel reinforcement cage 5 with steel ring is inserted into the center of prefabricated pile 4；Step
Eight：The concrete perfusion into steel reinforcement cage 5, before the concrete initial set of perfusion, prefabricated stake center 6 is inserted at the center of steel reinforcement cage 5；
Step 9：The concrete perfusion into pre-manufactured hole 3；
Step 10：Prefabricated pile 4 or prefabricated stake center 6 enter between steel reinforcement cage 5 and the basal layer of building respectively after pile
Row effectively connects and carries out sealing stake water-proofing treatment.
The depth and diameter of pre-manufactured hole 3 are equal to or length and diameter less than prefabricated pile 4.
Embodiment two：A kind of construction of prefabricated piles auxiliary stand, the top of pre-manufactured hole 3 is positioned over during construction, for supporting and determining
Position prefabricated pile 4, reference picture 3, including base 21, the lower surface of base 21 are provided with bradyseism part 7, and bradyseism part 7 is by rubber cushion and cotton pad structure
Into；Sleeve 22 is provided with base 21, the top of base 21 is welded as a whole with the bottom of sleeve 22；It is equipped with the lateral wall of sleeve 22
Some diagonal braces 8；Base 21 and sleeve 22 are made up of steel.
Reference picture 4,22 hollow setting of sleeve, the center of base 21 are provided with the through hole for connecting and setting with sleeve 22, fastener 23
Set along the madial wall circumference ring of sleeve 22, the madial wall of sleeve 22 is provided with some grooves 24, the bottom of groove 24 be provided with outside sleeve 22
The jack 25 that side wall connection is set, some fasteners 23 for being used to fixing and positioning prefabricated pile 4 are plugged in jack 25.
Reference picture 4, fastener 23 include the slotting key 231 being plugged in jack 25, insert key 231 and extend from the lateral wall of sleeve 22
To the inner side of sleeve 22, insert and be arranged with elastic component 232 on key 231, inserting the end of key 231 provided with the arc for spacing elastic component 232
The bottom of groove 24, the other end connection arc-shaped limit piece of elastic component 232 are fixed in shape banking stop 233, one end of elastic component 232
233。
Reference picture 5, when insertion prefabricated pile 4, effect edge of the fastener 23 by the outside extruding force of prefabricated pile 4 in sleeve 22
Groove 24 and jack 25 are protruding, and elastic component 232 is compressed, and arc-shaped limit piece 233 contradicts with prefabricated pile 4, realizes to prefabricated
The fixation and positioning of stake 4.
Reference picture 6, the madial wall of prefabricated pile are equipped with some self-locking devices 9, and self-locking device 9 is located at the bottom of prefabricated pile 4,
Including the embedded groove 91 for being arranged on the madial wall of prefabricated pile 4, the Flexible Connector 92 being arranged in groove 91, and it is arranged on bullet
Wedge 93 on property connector 92.
Reference picture 7, the bottom of steel reinforcement cage 5 are welded with steel ring 10, and steel ring 10 is provided with notch 11, and notch 11 is provided with gear ring
12, wedge 93, which is inserted in notch 11, coordinates gear ring 12 to be fixed, and makes steel reinforcement cage 5 not allow to be drawn out easily, after concrete perfusion, energy
Strengthen the anti-pulling capacity of prefabricated pile.
Described above is only preferred embodiment of the present utility model, and the scope of protection of the utility model is not limited merely to
Above-described embodiment, all technical schemes belonged under the utility model thinking belong to the scope of protection of the utility model.It should refer to
Go out, for those skilled in the art, some improvement under the premise of the utility model principle is not departed from and
Retouching, these improvements and modifications also should be regarded as the scope of protection of the utility model.
Claims (10)
1. a kind of construction of prefabricated piles auxiliary stand, being arranged on above pre-manufactured hole (3), for supporting and positioning prefabricated pile (4), it is special
Sign is：Including base (21), and the sleeve (22) being arranged on base (21), base (21) top and sleeve (22) bottom
It is welded as a whole, sleeve (22) hollow setting, base (21) center is provided with the through hole for connecting and setting with sleeve (22), sleeve (22)
Madial wall be provided with it is some be used to fixing and position the fasteners (23) of prefabricated pile (4), fastener (23) is along on the inside of sleeve (22)
Wall circumference ring is set.
A kind of 2. construction of prefabricated piles auxiliary stand according to claim 1, it is characterised in that：Sleeve (22) madial wall
Some grooves (24) are provided with, groove (24) bottom is provided with the jack (25) for connecting and setting with sleeve (22) lateral wall, fastener
(23) it is plugged in jack (25).
A kind of 3. construction of prefabricated piles auxiliary stand according to claim 2, it is characterised in that：The fastener (23) includes
The slotting key (231) being plugged in jack (25), the elastic component (232) being set on slotting key (231), and it is arranged on slotting key
(231) end is used for the arc-shaped limit piece (233) of spacing elastic component (232), inserts key (231) and is extended to from sleeve (22) lateral wall
On the inside of sleeve (22).
A kind of 4. construction of prefabricated piles auxiliary stand according to claim 3, it is characterised in that：The elastic component (232)
Groove (24) bottom, the other end connection arc-shaped limit piece (233) of elastic component (232) are fixed in one end.
A kind of 5. construction of prefabricated piles auxiliary stand according to claim 1, it is characterised in that：Base (21) lower surface
It is provided with bradyseism part (7).
A kind of 6. construction of prefabricated piles auxiliary stand according to claim 5, it is characterised in that：The bradyseism part (7) is by glue
Pad or cotton pad are formed.
A kind of 7. construction of prefabricated piles auxiliary stand according to claim 1, it is characterised in that：The base (21) and sleeve
(22) it is made up of steel.
A kind of 8. construction of prefabricated piles auxiliary stand according to claim 7, it is characterised in that：Sleeve (22) lateral wall
On be equipped with some diagonal braces (8).
A kind of 9. construction of prefabricated piles auxiliary stand according to claim 1, it is characterised in that：The prefabricated pile (4) it is interior
Side wall ring is provided with some self-locking devices（9）, self-locking device（9）Positioned at prefabricated pile（4）Bottom.
A kind of 10. construction of prefabricated piles auxiliary stand according to claim 9, it is characterised in that：Self-locking device（9）Including interior
The embedding groove for being arranged on prefabricated pile madial wall（91）, it is arranged on groove（91）Interior Flexible Connector（92）, and it is arranged on bullet
Property connector（92）On wedge（93）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720372747.9U CN206887957U (en) | 2017-04-10 | 2017-04-10 | A kind of construction of prefabricated piles auxiliary stand |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720372747.9U CN206887957U (en) | 2017-04-10 | 2017-04-10 | A kind of construction of prefabricated piles auxiliary stand |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206887957U true CN206887957U (en) | 2018-01-16 |
Family
ID=61323657
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720372747.9U Active CN206887957U (en) | 2017-04-10 | 2017-04-10 | A kind of construction of prefabricated piles auxiliary stand |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206887957U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106884429A (en) * | 2017-04-10 | 2017-06-23 | 浙江省现代建筑设计研究院有限公司 | A kind of construction of prefabricated piles method and auxiliary stand |
| CN112982426A (en) * | 2021-02-07 | 2021-06-18 | 中铁广州工程局集团深圳工程有限公司 | Construction method of underground assembly type station precast pile |
-
2017
- 2017-04-10 CN CN201720372747.9U patent/CN206887957U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106884429A (en) * | 2017-04-10 | 2017-06-23 | 浙江省现代建筑设计研究院有限公司 | A kind of construction of prefabricated piles method and auxiliary stand |
| CN112982426A (en) * | 2021-02-07 | 2021-06-18 | 中铁广州工程局集团深圳工程有限公司 | Construction method of underground assembly type station precast pile |
| CN112982426B (en) * | 2021-02-07 | 2022-09-16 | 中铁广州工程局集团深圳工程有限公司 | Construction method of underground assembly type station precast pile |
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