CN207348055U - A kind of casing external member for Bridge Pile Foundation Construction - Google Patents
A kind of casing external member for Bridge Pile Foundation Construction Download PDFInfo
- Publication number
- CN207348055U CN207348055U CN201720969801.8U CN201720969801U CN207348055U CN 207348055 U CN207348055 U CN 207348055U CN 201720969801 U CN201720969801 U CN 201720969801U CN 207348055 U CN207348055 U CN 207348055U
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- Prior art keywords
- casing
- connecting portion
- partial node
- pile foundation
- external member
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Abstract
The utility model discloses a kind of casing external member for Bridge Pile Foundation Construction, including first section casing and several partial node casings being detachably connected between each other, it is detachably connected between the first section casing and the partial node casing, the height of the partial node casing is 23 meters, and the height of the first section casing is more than the height of the partial node casing.The use of casing external member provided by the utility model; can effectively it overcome in the easy collapse hole of fracture belt weak broken stratum construction bridges pile foundation boring, the difficulty of easy undergauge; protected in the hole wall of pore-forming by synchronous the timely of follow-up casing; no longer occurs the hole wall collapse caused by tomography geology crushes in drilling process, so that the problems such as excessive velocities occurs in sediment after the problems such as efficiently solving the collapse hole occurred in drilling process, bit freezing and pore-forming borehole cleaning；Bad ground pile foundation construction quality is effectively ensured, it is ensured that the security of pile foundation construction, has saved the construction time, improved construction efficiency, reduced cost.
Description
Technical field
The utility model discloses a kind of casing external member for Bridge Pile Foundation Construction, and in particular to one kind is broken for earthquake
Split with complicated geological layer, soil layer weak broken, the casing external member rich in stratum bridge pile foundations such as underground water, easy collapse holes.
Background technology
Disorderly on fracture belt stratum at bridge pile foundation, rock mass weak broken, pile foundation passes through dust tomography more, and pore-forming is stranded
Difficulty, easy collapse hole in pore forming process, easy undergauge, so that pile foundation construction quality is difficult to control, it is ensured that the bad ground pile foundation construction matter
Amount becomes problem.
Utility model content
The purpose of this utility model is difficult above to solve, and designs a kind of casing external member for Bridge Pile Foundation Construction,
Practical application shows that the casing external member is easy to use, and cost is low, reusable, high safety, and effect is good.
The technical solution of the utility model is：A kind of casing external member for Bridge Pile Foundation Construction, including first section casing and
Several partial node casings being detachably connected between each other, are detachably connected between the first section casing and the partial node casing,
The height of the partial node casing is 2-3 meters, and the height of the first section casing is more than the height of the partial node casing.
Casing external member provided by the utility model, through using, effectively overcomes and constructs on fracture belt weak broken stratum
The easy collapse hole of bridge pile foundation drilling, the difficulty of easy undergauge, are protected, drilling process in the hole wall of pore-forming by synchronous the timely of follow-up casing
In no longer there is the hole wall collapse caused by tomography geology crushes so that efficiently solve occur in drilling process collapse hole,
There is the problems such as excessive velocities in sediment after the problems such as bit freezing and pore-forming borehole cleaning；Bad ground pile foundation construction quality has been effectively ensured,
It ensure that the security of pile foundation construction, improve construction efficiency, reduce cost.
Such scheme uses multiple partial node casings, from the surface, one is used using the partial node casing ratio of multiple segmentations
A long partial node casing is more time-consuming, in fact, the partial node casing of multiple segmentations, can reduce drilling and when partial node casing is extracted
Between.It is and simpler beneficial to the positioning between drill bit of drilling machine and stake position, positioning compared to long partial node casing, shorter partial node casing
It is single, more accurately.
Head section casings and partial node casing are rolled using 30mm steel plates and formed, and are 2-3m per segmental height, which is
Consider the factors such as pile foundation drilling diameter, casing intensity, pile foundation Bedrock Geology condition and churning driven working performance index and determine
Fixed.2-3 meters of height as a casing, while also serve as one of drilling machine drilling stroke, be conducive to the drilling of drilling machine into
Degree, beneficial to the positioning between drill bit and stake position.
Preferably, the top of the first section casing and the partial node casing is provided with first connecting portion, the partial node shield
The lower part of cylinder is provided with second connecting portion, the first section casing and the partial node casing and the partial node casing and partial node casing
Between be detachably connected by first connecting portion and second connecting portion.
It can between each other connect, can not also connect between casing, by the way of connection, be conducive to pulling out for casing
Go out, save the construction time.
Preferably, the partial node casing includes the two panels casing piece being hinged, casing piece described in two panels is away from hinged
One end of point is connected by fastener.In the vertical direction is detachably connected between casing, also may be used in the transverse direction of casing in itself
To open, by the technical solution, during drilling, after the drill bit of drilling machine often bores the depth of a casing height, without taking out drill bit
Next casing is arranged again, and directly can be put on casing, greatlys save drilling time.
Preferably, the first connecting portion and the corresponding first other parts for saving casing or the partial node casing
Junction on the outside of formed rest platform.
Preferably, the width of the rest platform is equal to the casing thickness of the second connecting portion.
Preferably, the internal diameter of the first connecting portion is less than the internal diameter of the second connecting portion, and first connection
The first threaded hole is provided with portion, the second threaded hole is provided with second connecting portion, between first connecting portion and second connecting portion
It is bolted.
Preferably, being provided with hanging hole in the first connecting portion, hook, institute are hinged with the outside of the second connecting portion
State and be attached between first connecting portion and second connecting portion by linking up with hanging hole.
Preferably, it is provided with vertical fin or spiral shell on the first section casing and/or the partial node casing outer surface
Revolve fin.Both contribute to drilling construction, accelerate the progress of drilling, and resistance when casing is extracted can be reduced.
By implementing above-mentioned technical proposal, the use of casing external member provided by the utility model, can effectively overcome
The easy collapse hole of fracture belt weak broken stratum construction bridges pile foundation boring, the difficulty of easy undergauge, pore-forming hole wall by synchronous follow-up
The timely of casing is protected, and the hole wall collapse caused by tomography geology crushes no longer occurs in drilling process, so as to effectively solve
There is the problems such as excessive velocities in sediment after the problems such as collapse hole that occurs in drilling process, bit freezing and pore-forming borehole cleaning；It is effectively ensured
Bad ground pile foundation construction quality, it is ensured that the security of pile foundation construction, has saved the construction time, has improved construction efficiency,
Reduce cost.
Brief description of the drawings
Attached drawing 1 is the schematic diagram of casing in one embodiment of the utility model；
Attached drawing 2 is the connection diagram of casing shown in attached drawing 1；
Attached drawing 3 is casing schematic diagram in another embodiment of the utility model；
Attached drawing 4 is the top view of casing in another embodiment of the utility model.
In figure, 1- casings；11- first connecting portions；12- second connecting portions；The first threaded holes of 111-；112- hanging holes；121-
Second threaded hole；122- is linked up with；The vertical fins of 13-.
Embodiment
Below in conjunction with the accompanying drawings and specific embodiment, the utility model is described in further detail.
Embodiment 1：
A kind of casing external member for Bridge Pile Foundation Construction, including first section casing and several partial node casings 1, partial node casing
For 1 number depending on the depth of pile foundation and the height of each casing, the height of partial node casing 1 is 2-3 meters, the first section shield
The height of cylinder is more than the height of the partial node casing 1, and in the present embodiment, partial node casing 1 uses 2 meters, and head section casings use 2.5
Rice.Shown in the Structure Figure 1 of partial node casing 1, the top of partial node casing 1 is provided with first connecting portion 11, head section casings top
Equipped with first connecting portion 11, the lower part of partial node casing 1 is provided with second connecting portion 12, and the internal diameter of first connecting portion 11 is less than described
The internal diameter of second connecting portion 12, and the first threaded hole 111 is provided with the first connecting portion 11, set in second connecting portion 12
There is the second threaded hole 121, be bolted between head section casings and partial node casing and between adjacent partial node casing 1, it is such as attached
Shown in Fig. 2.
Embodiment 2：
A kind of casing external member for Bridge Pile Foundation Construction, including first section casing and several partial node casings 1, partial node casing
1 number is depending on the depth of pile foundation and the height of each casing, and partial node casing 1 uses 3 meters, and head section casings use 4 meters.
Shown in the Structure Figure 1 of partial node casing 1, the top of partial node casing 1 is provided with first connecting portion 11, and head section casings top also is provided with
First connecting portion 11, the lower part of partial node casing 1 are provided with second connecting portion 12, and the internal diameter of first connecting portion 11 is less than described second
The internal diameter of connecting portion 12, and hanging hole 112 is provided with the first connecting portion 11, the outside of second connecting portion 12 is hinged with hook
122, as shown in Figure 3, pass through hook 122 and hanging hole between head section casings and partial node casing and between adjacent partial node casing 1
112 are attached.Vertical vertical fin 13 is provided with the outer surface of partial node casing 1, as shown in Figure 4.
Embodiment 3：
A kind of casing external member for Bridge Pile Foundation Construction, including first section casing and several partial node casings 1, partial node casing
1 number is depending on the depth of pile foundation and the height of each casing, and partial node casing 1 uses 2.5 meters, and head section casings use 3
Rice.Shown in the Structure Figure 1 of partial node casing 1, the top of partial node casing 1 is provided with first connecting portion 11, head section casings top
Equipped with first connecting portion 11, the lower part of partial node casing 1 is provided with second connecting portion 12, and the internal diameter of first connecting portion 11 is less than described
The internal diameter of second connecting portion 12, and hanging hole 112 is provided with the first connecting portion 11, the outside of second connecting portion 12 is hinged with
Hook 122, is connected between head section casings and partial node casing and between adjacent partial node casing 1 by hook 122 with hanging hole 112
Connect.Spiral ridge is provided with the outer surface of partial node casing 1.
Claims (7)
1. a kind of casing external member for Bridge Pile Foundation Construction, it is characterised in that mutual with several including head section casings
The partial node casing being detachably connected, is detachably connected between the first section casing and the partial node casing, the partial node casing
It highly it is 2-3 meters, the height of the first section casing is more than the height of the partial node casing；The first section casing and partial node shield
The top of cylinder is provided with first connecting portion, and the lower part of the partial node casing is provided with second connecting portion, the first section casing and institute
State and carried out detachably by first connecting portion and second connecting portion between partial node casing and the partial node casing and partial node casing
Connection.
A kind of 2. casing external member for Bridge Pile Foundation Construction according to claim 1, it is characterised in that the partial node casing
Including the two panels casing piece being hinged, the one end of casing piece away from hinge joint is connected by fastener described in two panels.
A kind of 3. casing external member for Bridge Pile Foundation Construction according to claim 1, it is characterised in that first connection
Portion is with forming rest platform on the outside of the junction of the corresponding first section casing or the other parts of the partial node casing.
A kind of 4. casing external member for Bridge Pile Foundation Construction according to claim 3, it is characterised in that the rest platform
Width be equal to the second connecting portion casing thickness.
5. according to a kind of casing external member for Bridge Pile Foundation Construction of claim 1 or 3, it is characterised in that described first
The internal diameter of connecting portion is less than the internal diameter of the second connecting portion, and the first threaded hole is provided with the first connecting portion, and second
The second threaded hole is provided with connecting portion, is bolted between first connecting portion and second connecting portion.
6. according to a kind of casing external member for Bridge Pile Foundation Construction of claim 1 or 3, it is characterised in that described first
Hanging hole is provided with connecting portion, hook, the first connecting portion and second connecting portion are hinged with the outside of the second connecting portion
Between be attached by linking up with hanging hole.
A kind of 7. casing external member for Bridge Pile Foundation Construction according to claim 1, it is characterised in that the first section casing
And/or vertical fin or spiral ridge are provided with the partial node casing outer surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720969801.8U CN207348055U (en) | 2017-08-04 | 2017-08-04 | A kind of casing external member for Bridge Pile Foundation Construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720969801.8U CN207348055U (en) | 2017-08-04 | 2017-08-04 | A kind of casing external member for Bridge Pile Foundation Construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207348055U true CN207348055U (en) | 2018-05-11 |
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ID=62360520
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720969801.8U Active CN207348055U (en) | 2017-08-04 | 2017-08-04 | A kind of casing external member for Bridge Pile Foundation Construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207348055U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111021948A (en) * | 2019-12-30 | 2020-04-17 | 深圳市盛业地下工程有限公司 | Pile foundation combination equipment for rapid pore-forming of complex geology |
-
2017
- 2017-08-04 CN CN201720969801.8U patent/CN207348055U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111021948A (en) * | 2019-12-30 | 2020-04-17 | 深圳市盛业地下工程有限公司 | Pile foundation combination equipment for rapid pore-forming of complex geology |
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