CN208701774U - The novel squeezed uplift pile conical hole forming of falling umbrella frame device - Google Patents
The novel squeezed uplift pile conical hole forming of falling umbrella frame device Download PDFInfo
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- CN208701774U CN208701774U CN201821246245.2U CN201821246245U CN208701774U CN 208701774 U CN208701774 U CN 208701774U CN 201821246245 U CN201821246245 U CN 201821246245U CN 208701774 U CN208701774 U CN 208701774U
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- pile
- piston pipe
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- squeezed
- umbrella frame
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Abstract
The utility model relates to a kind of novel squeezed uplift pile conical hole forming of falling umbrella frame devices, comprising: outer piston pipe, inner piston pipe, annulus bucket, bearing rod, connecting rod, lower hinge, annulus bung, upper hinge, upper angle controller and lower angle controller；The outer circumference setting side stake of cast-in-situ bored pile forms squeezed uplift pile, and side stake is made of the side pile element for the shape of falling umbrella frame, and side pile element is oblique side stake, and oblique side stake is located at around cast-in-situ bored pile in tiltedly radial；Annulus bucket upper end is equipped with annulus bung, and annulus bung center is equipped with outer piston pipe；Inner piston pipe is equipped in outer piston pipe, outer piston pipe is flexibly connected with inner piston pipe.The beneficial effects of the utility model are: the utility model falls the squeezed uplift pile of umbrella-rib shape and the force bearing disk of former expanding branch grouting pile is become to the bearing rod of image inversion umbrella frame, the area that pile body is contacted with the soil body can be improved, pile body frictional force is improved, therefore single pile withdrawal resistance can be improved.
Description
Technical field
The utility model belongs to uplift pile technical field, more particularly to a kind of novel squeezed uplift pile conical hole forming of falling umbrella frame
Device.
Background technique
Uplift pile be applied to architectural engineering underground structure if there is be lower than Soil Surrounding water level part when, in order to support
The stake that the water in soil that disappears beats the buoyancy that structure generates, relies primarily on the frictional force of pile body and soil layer to resist axial drawing
Power.
Uplift pile is divided into cross-section and non-constant section stake, since cross-section resistance to plucking soldier piles are by biggish uplift force amount
When, when especially more than his tolerance, the distance above pulled out is more, and anti-floating power is smaller.In order to improve the withdrawal resistance of this high stake
Amount increases stake and relies on strength to the soil body, begins to use non-homalographic uplift pile.Compared to Tension Piles, non-constant section stake
With very big advantage.But non-constant section stake the problems such as there is also structure is complicated, constructional difficulties.
Compacted bearing disk pile pore-forming mode is used for reference, construction method can be simplified, accelerates efficiency.But compacted bearing disk pile is existing to be applied
Work machinery only has the squeezed hydraulic branch of bilateral to be shunk and expanded, and needs constantly to rotate angle in branch process of expansion
To reach the design requirement of 360 ° of annular branch, causes result construction efficiency cumbersome, take a long time.
Utility model content
The purpose of the utility model is to overcome deficiencies in the prior art, provide a kind of novel squeezed uplift pile cone of falling umbrella frame
Shape perforating device.
This novel squeezed uplift pile conical hole forming of falling umbrella frame device, including outer piston pipe, inner piston pipe, annulus bucket, load
Bar, connecting rod, lower hinge, annulus bung, upper hinge, upper angle controller and lower angle controller；It is outer around cast-in-situ bored pile
Side is arranged side stake and forms squeezed uplift pile, and side stake is made of the side pile element for the shape of falling umbrella frame, and side pile element is oblique side stake, tiltedly
It is located at around cast-in-situ bored pile to side stake in tiltedly radial；Annulus bucket upper end is equipped with annulus bung, annulus bung center
Equipped with outer piston pipe；Inner piston pipe is equipped in outer piston pipe, outer piston pipe is flexibly connected with inner piston pipe；Bearing rod is in tiltedly radiation
Shape is uniformly arranged in the preformed hole around annulus bucket, and bearing rod is flexibly connected with annulus bucket；Bearing rod bottom end passes through upper hinge
Connecting rod is connected, connecting rod one end connects bearing rod, and the other end connects inner piston pipe by lower hinge；Corresponding each company above lower hinge
Bar is equipped with upper angle controller, and corresponding each connecting rod is equipped with lower angle controller below lower hinge.
As preferred: side stake is located at different soil layers.
As preferred: the diameter of oblique side stake is the 0.1~0.2 of cast-in-situ bored pile diameter, and the length of oblique side stake is to bore
The 0.2~0.4 of hole pouring pile diameter；Oblique side stake is horizontal by 30~60 ° of angles.
As preferred: annulus bucket, annulus bung and outer piston pipe are welded as a whole.
As preferred: upper angle controller is the sphenoid structure of big rigidity, and section triangle is right angled triangle；Inferior horn
Spend the rectangular parallelepiped structure that controller is big rigidity.
As preferred: the diameter of bearing rod is the 0.1~0.2 of cast-in-situ bored pile diameter, and bearing rod protrudes into the length of soil
It is the 0.2~0.4 of cast-in-situ bored pile diameter；Load rod axis is parallel with the reserved axially bored line on annulus bucket and with horizontal direction is in
30~60 ° of angles.
The beneficial effects of the utility model are:
1, the utility model falls the squeezed uplift pile of umbrella-rib shape the force bearing disk of former expanding branch grouting pile is become image inversion umbrella
The area that pile body is contacted with the soil body can be improved in the bearing rod of bone, improves pile body frictional force, therefore single pile withdrawal resistance can be improved.
2, the utility model uses the new-type mechanical equipment of falling umbrella-rib shape, can be with Optimizing Construction Scheme, according to specific geology item
Part carries out numerical control, keeps data more accurate.
3, the perforating device of the utility model can be connected to using more extensive DX hydraulic extruding extender, the former squeezed dress of replacement
End is set, the construction of uplift pile is carried out, application is more convenient than wide.
4, the use of the utility model pile foundation of falling umbrella-rib shape can obtain significant economic benefit, due to mentioning by a relatively large margin
The high bearing capacity of single pile shortens that stake is long, reduces stake diameter or subtracts than common filling pile thus in the identical situation of load
Few stake number, so reduce dimension of platform, therefore can reduce investment outlay, shorten the construction period.
5, the angle controller up and down of the utility model can indirectly control bearing rod and be pierced into soil body depth, and the stake of control side is long
Degree.
Detailed description of the invention
Fig. 1 is the diagrammatic cross-section of the utility model；
Fig. 2 is the front view of the utility model；
Fig. 3 is the top view of the utility model；
Fig. 4 is the bottom view of the utility model；
Fig. 5 is the shaft side figure of the utility model；
Fig. 6 is the diagrammatic cross-section of novel squeezed uplift pile；
Description of symbols: outer piston pipe 1, inner piston pipe 2, annulus bucket 3, bearing rod 4, connecting rod 5, lower hinge 6, annulus bucket
Lid 7, upper hinge 8, upper angle controller 9, lower angle controller 10.
Specific embodiment
The utility model is described further below with reference to embodiment.The explanation of following embodiments is only intended to help to manage
Solve the utility model.It should be pointed out that for those skilled in the art, not departing from the utility model principle
Under the premise of, several improvements and modifications can be made to this utility model, these improvement and modification also fall into the utility model
In scope of protection of the claims.
The novel squeezed uplift pile, is provided with side stake on the basis of cast-in-situ bored pile, and side stake setting is filled in drilling
The outside of stake is infused, side stake is made of the side pile element of several shapes of falling umbrella frame, and side pile element is oblique side stake, and oblique side stake is in oblique
It is radial to be located at around cast-in-situ bored pile.
Side stake is located at different soil layers.The diameter of oblique side stake is the 0.1~0.2 of cast-in-situ bored pile diameter, and length is to bore
The 0.2~0.4 of hole pouring pile stake diameter.Oblique side stake is horizontal by 30~60 ° of angles, preferably 45 ° of angles.
The novel squeezed uplift pile conical hole forming of the falling umbrella frame device, including outer piston pipe 1, inner piston pipe 2, annulus bucket 3,
Bearing rod 4, connecting rod 5, lower hinge 6, annulus bung 7, upper hinge 8, upper angle controller 9, lower angle controller 10.Annulus bucket 3
Upper end is equipped with annulus bung 7, and 7 center of annulus bung is equipped with outer piston pipe 1, annulus bucket 3, annulus bung 7,1 three of outer piston pipe
It is welded as a whole.Inner piston pipe 2 is equipped in outer piston pipe 1, the two can relatively move.Bearing rod 4 is uniformly arranged in tiltedly radial
In the preformed hole around annulus bucket 3, bearing rod 4 is flexibly connected with annulus bucket 3.4 bottom end of bearing rod is connected by the connection of upper hinge 8
Bar 5,5 one end of connecting rod connect bearing rod 4, and the other end connects inner piston pipe 2 by lower hinge 6, in interior piston tube 2 relative to annulus
Bearing rod 4, which is pushed, when bucket 3 moves up stretches out 3 barrels of walls of annulus bucket.In upper angle controller 9, lower angle controller 10 are located at
In piston tube 2, each connecting rod 5 is corresponded at 6 top 20mm of lower hinge and is equipped with upper angle controller 9, upper angle controller 9 is big
The sphenoid structure of rigidity, section triangle are right angled triangle, and bevel edge and 2 angle of inner piston pipe are 15 degree；6 lower section of lower hinge
Each connecting rod 5 is corresponded at 20mm is equipped with lower angle controller 10, lower angle controller 10 is the rectangular parallelepiped structure of big rigidity, with
2 angle of inner piston pipe is 90 degree；Angle controller plays position-limiting action, and bearing rod 4 stretches out the length of annulus bucket 3 by upper angle control
Device 9 and lower angle controller 10 processed control, i.e., when withdrawing bearing rod 4 upper angle controller 9 can limit connecting rod 5 after reforwarding
It is dynamic, terminate to withdraw, when stretch out bearing rod 4 at present angle controller 10 can limiting rod 5 continue to move, terminate punching.
The diameter of bearing rod 4 is the 0.1~0.2 of cast-in-situ bored pile diameter, and the length for protruding into soil is that cast-in-situ bored pile is straight
The 0.2~0.4 of diameter.4 axis of bearing rod is parallel with the reserved axially bored line on annulus bucket 3 and is in 45° angle with horizontal direction.
The construction method of the novel squeezed uplift pile conical hole forming of the falling umbrella frame device, comprising the following steps:
1) common filling pile pore-forming；
2) according to the depth of the good soil layer of soil sample deterministic nature；
3) conical hole forming of falling umbrella frame device is put into hole bottom, and fixed device carries out internal outer piston by computer control terminal
The hydraulic operation of pipe makes outer piston pipe 1 to bottom offset, and inner piston pipe 2 shifts up, and bearing rod 4 is released until lower angle control
Device 10 processed prevents inner piston pipe 2 from being displaced, and bearing rod 4 squeezes into the estimated depth of the soil body, and bearing rod 4 stops movement, beats in pile body somewhere
The corresponding duct of falling umbrella-rib shape out；
4) hydraulic device oil pressure value is cancelled, inner piston pipe 2 is shifted up to bottom offset, outer piston pipe 1, when upper angle controls
Device 9 prevents inner piston pipe 2 from reaching estimating position when continuing displacement, and bearing rod 4 is pulled back to again in annulus bucket 3；Then up
For pulling apparatus at well-behaved soil layer height, fixed device continues the pore-forming of falling umbrella frame；
5) pore formation step of falling umbrella frame is repeated until completing each soil layer pore-forming；
6) recyclable device, cleaning device simultaneously maintain.
The course of work of the utility model is with working principle: this experimental rig is placed in installation in experiment soil box, then
Pore-forming test is carried out, in the case where continuous pumps hydraulic oil increases oil pressure, bearing rod 4 is pierced into the soil body, forms the stake of falling umbrella-rib shape
Type is realized and improves single pile withdrawal resistance.
The novel squeezed uplift pile conical hole forming of the falling umbrella frame device is connected in sequence by several mechanisms, including hydraulic
Driving unit, bearing rod units.
Hydraulic drive unit: by electronic equipment control inner piston pipe 2 and 1 relevant pressure value of outer piston pipe.Land-based storage tanks
In hydraulic oil, can according to pre-entered in electronic computer pressure value (this pressure value as bearing rod 4 be pierced into the soil body needed for
The corresponding oil pressure cntrol of length), according to corresponding program, the hydraulic oil volume pumped needed for pressure value is converted into passes through liquid
Pumping installations is pressed, hydraulic oil is continuously passed through to pump oil tube pump and is sent in hydraulic oil repeater, to make inside and outside piston tube
It is flexible to generate relative displacement.
Bearing rod units: preestablished pressure value is inputted in control terminal, outer piston pipe 1 moves down, and inner piston pipe 2 is upward
It is mobile to generate relative displacement, bearing rod 4 is released until lower angle controller 10 prevents inner piston pipe 2 from being displaced, bearing rod 4 is squeezed into
The estimated depth of the soil body, bearing rod 4 stop movement, get the corresponding duct of falling umbrella-rib shape in pile body somewhere.Cancel oil pressure value, hydraulic oil
Recharge enters in oil storage tank, and when oil pressure suffered by inside and outside piston tube disappears, inner piston pipe 2 is to bottom offset, and outer piston pipe 1 is to upper
It moves, when upper angle controller 9 prevents inner piston pipe 2 from reaching estimating position when continuing displacement, bearing rod 4 is pulled back to annulus again
In bucket 3.
By the coordinate operation of above-mentioned experimental rig, control terminal is allow to control constituent parts operation respectively by particular order,
And then obtain corresponding pile-type.
Because of this 4 limited length of bearing rod, compared with stake diameter, the only a quarter of stake diameter to one third,
And 4 diameter of bearing rod is small, therefore, when carrying out the stake of falling umbrella frame shape bearing rod pore-forming, can effectively prevent or reduce the feelings such as its collapse hole
Condition, convenient for construction.
Claims (6)
1. a kind of novel squeezed uplift pile conical hole forming of falling umbrella frame device, which is characterized in that including outer piston pipe (1), inner piston pipe
(2), annulus bucket (3), bearing rod (4), connecting rod (5), lower hinge (6), annulus bung (7), upper hinge (8), upper angle controller
(9) and lower angle controller (10)；The outer circumference setting side stake of cast-in-situ bored pile forms squeezed uplift pile, and side stake is by falling umbrella frame
The side pile element of shape is constituted, and side pile element is oblique side stake, and oblique side stake is located at around cast-in-situ bored pile in tiltedly radial；
Annulus bucket (3) upper end is equipped with annulus bung (7), and annulus bung (7) center is equipped with outer piston pipe (1)；In outer piston pipe (1)
Equipped with inner piston pipe (2), outer piston pipe (1) is flexibly connected with inner piston pipe (2)；Bearing rod (4) is uniformly arranged in tiltedly radial
In the preformed hole around annulus bucket (3), bearing rod (4) is flexibly connected with annulus bucket (3)；Bearing rod (4) bottom end passes through upper hinge
Chain (8) connects connecting rod (5), and connecting rod (5) one end connects bearing rod (4), and the other end passes through lower hinge (6) connection inner piston pipe (2)；
Corresponding each connecting rod (5) is equipped with upper angle controller (9) above lower hinge (6), corresponding each connecting rod below lower hinge (6)
(5) lower angle controller (10) are equipped with.
2. the novel squeezed uplift pile conical hole forming of falling umbrella frame device according to claim 1, which is characterized in that side stake is located at not
Same soil layer.
3. the novel squeezed uplift pile conical hole forming of falling umbrella frame device according to claim 1, which is characterized in that oblique side stake
Diameter is the 0.1~0.2 of cast-in-situ bored pile diameter, and the length of oblique side stake is the 0.2~0.4 of cast-in-situ bored pile diameter；It is oblique
Side stake is horizontal by 30~60 ° of angles.
4. the novel squeezed uplift pile conical hole forming of falling umbrella frame device according to claim 1, which is characterized in that annulus bucket (3),
Annulus bung (7) and outer piston pipe (1) are welded as a whole.
5. the novel squeezed uplift pile conical hole forming of falling umbrella frame device according to claim 1, which is characterized in that upper angle control
Device (9) is the sphenoid structure of big rigidity, and section triangle is right angled triangle；Lower angle controller (10) is the length of big rigidity
Cube structure.
6. the novel squeezed uplift pile conical hole forming of falling umbrella frame device according to claim 1, which is characterized in that bearing rod (4)
Diameter be cast-in-situ bored pile diameter 0.1~0.2, bearing rod (4) protrude into soil length be cast-in-situ bored pile diameter 0.2
~0.4；Bearing rod (4) axis is parallel with the reserved axially bored line on annulus bucket (3) and is in 30~60 ° of angles with horizontal direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821246245.2U CN208701774U (en) | 2018-08-03 | 2018-08-03 | The novel squeezed uplift pile conical hole forming of falling umbrella frame device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821246245.2U CN208701774U (en) | 2018-08-03 | 2018-08-03 | The novel squeezed uplift pile conical hole forming of falling umbrella frame device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208701774U true CN208701774U (en) | 2019-04-05 |
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ID=65941564
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821246245.2U Active CN208701774U (en) | 2018-08-03 | 2018-08-03 | The novel squeezed uplift pile conical hole forming of falling umbrella frame device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108755790A (en) * | 2018-08-03 | 2018-11-06 | 浙江大学城市学院 | The novel squeezed uplift pile conical hole forming of the falling umbrella frame device of one kind and construction method |
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2018
- 2018-08-03 CN CN201821246245.2U patent/CN208701774U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108755790A (en) * | 2018-08-03 | 2018-11-06 | 浙江大学城市学院 | The novel squeezed uplift pile conical hole forming of the falling umbrella frame device of one kind and construction method |
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