CN206608110U - A kind of adjustable drill bit device of diameter for bored pile construction - Google Patents
A kind of adjustable drill bit device of diameter for bored pile construction Download PDFInfo
- Publication number
- CN206608110U CN206608110U CN201621208655.9U CN201621208655U CN206608110U CN 206608110 U CN206608110 U CN 206608110U CN 201621208655 U CN201621208655 U CN 201621208655U CN 206608110 U CN206608110 U CN 206608110U
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- CN
- China
- Prior art keywords
- diameter
- drill bit
- main shaft
- blade
- bit device
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- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of adjustable drill bit device of the diameter for bored pile construction, including main shaft, multiple rotating blades are evenly equipped with the side wall of main shaft, are connected between rotating blade and the main shaft by connecting shaft；The main shaft can extend or shorten along its axis direction；Connecting shaft can be along its axis elongation or shortening；When connecting elongate axis or shortening, drive rotating blade close or away from the main shaft.The utility model drives rotating blade close to or away from the main shaft by the flexible of main shaft and connecting shaft, so as to realize that the change of the overall diameter of drill bit device is big or diminish, with the pile foundation drilling construction suitable for different-diameter；, can be by reducing diameter automatically, it is ensured that drill bit is smoothly extracted simultaneously for the collapse hole problem occurred in boring procedure.
Description
Technical field
The utility model belongs to the field of cast-in-situ bored pile drilling technique, is related to a kind of for the straight of bored pile construction
The adjustable drill bit device in footpath.
Background technology
Drilling is one of most important link in bored pile foundation work progress, is also influence Pile Bearing Capacity
Key factor.At present, the conventional borehole construction of pile foundation selects fixed diameter formula drill bit, and the diameter of its drill bit is immutable,
The transport of drill bit is inconvenient with storage, and different-diameter pile foundation boring will select the drill bit of special diameter size, for different-diameter
Pile foundation boring there are certain engineering limitations, in addition when occurring collapse hole in boring procedure, covering Rock And Soil at the top of drill bit
The scale of construction it is larger when, drill bit is extracted more difficult, or even bit freezing occurs, falls the engineering accident of brill, is unfavorable for secondary drilling construction, leads
Cause the increase of drilling construction cost, claim for eot.It is to ensure stake using a kind of reasonable, the extensive drill bit device of engineer applied
The key that basic drilling construction is smoothed out.
The content of the invention
For above-mentioned problems of the prior art or defect, the utility model purpose is to be used to bore there is provided one kind
The adjustable drill bit device of diameter of hole pouring pile construction, by adjusting bit diameter size with the pile foundation suitable for different-diameter
Drilling construction.
To achieve these goals, the utility model is adopted the following technical scheme that：
On a kind of adjustable drill bit device of diameter for bored pile construction, including main shaft, the side wall of main shaft
Multiple rotating blades are furnished with, are connected between rotating blade and the main shaft by connecting shaft；The main shaft can be along its axis side
To elongation or shortening；Connecting shaft can be along its axis elongation or shortening；When connecting elongate axis or shortening, rotation is driven
Blade is close or away from the main shaft.
Specifically, the main shaft includes being provided with telescoping mechanism in axis, front axle and rear axle, main shaft, front axle and rear axle point
The two ends for not stretching into axis are connected with telescoping mechanism.
Specifically, the telescoping mechanism includes two hydraulic cylinders, the liquid of the front axle and rear axle respectively with two hydraulic cylinders
Depression bar is connected.
Specifically, the connecting shaft includes being provided with hydraulic cylinder in fixing axle and telescopic shaft, fixing axle, and telescopic shaft stretches into solid
The hydraulic stem of connection liquid cylinder pressure in dead axle；Fixing axle connects the axis.
Specifically, the rotating blade includes being hinged between backspin blade, lateral blade and upper rotary knife piece, three；Laterally
Blade connects the connecting shaft.
Further, the end of the front axle is provided with apex point, and the end of the rear axle is provided with tail end blade；It is described many
Individual backspin blade is hinged with apex point, and the multiple upper rotary knife piece is hinged with tail end blade.
Further, the end of the rear axle is provided with connecting cylinder, and the side wall of connecting cylinder installs described tail end blade.
Compared with prior art, the utility model has following technique effect：The utility model passes through main shaft and connecting shaft
It is flexible, drive rotating blade close to or away from the main shaft, thus realize the overall diameter of drill bit device change it is big or
Diminish, with the pile foundation drilling construction suitable for different-diameter；Simultaneously for the collapse hole problem occurred in boring procedure, it can pass through
It is automatic to reduce diameter, it is ensured that drill bit is smoothly extracted.
Brief description of the drawings
Fig. 1 is overall structure figure of the present utility model；
Fig. 2 is bit diameter progressive formation figure；
The label implication of each in figure：1-main shaft, 101-axis, 102-front axle, 103-rear axle, 2-rotating blade,
201-backspin blade, 202-lateral blade, 203-upper rotary knife piece, 3-connecting shaft, 301-fixing axle, 302-telescopic shaft,
4-apex point, 5-tail end blade, 6-connecting cylinder.
Explanation and illustration in further detail is made to scheme of the present utility model with reference to the accompanying drawings and detailed description.
Embodiment
Referring to Fig. 1, the diameter adjustable drill bit device for bored pile construction of the present utility model, including main shaft
1, multiple rotating blades 2 are evenly equipped with the side wall of main shaft 1, are connected between rotating blade 2 and the main shaft 1 by connecting shaft 3；Institute
Stating main shaft 1 can extend or shorten along its axis direction；Connecting shaft 3 can be along its axis elongation or institute's point；When connecting shaft 3
When elongation or shortening, drive rotating blade 2 close or away from the main shaft 1.
Rotating blade 2 is provided with 4, is distributed on the side wall perimeter of main shaft 1；Connecting shaft 3 is set perpendicular to main shaft 1；Pass through
Main shaft 1 and connecting shaft 3 it is flexible, rotating blade 2 is driven close to or away from the main shaft 1, so as to realize that drill bit device is overall
Diameter change it is big or diminish, with the pile foundation drilling construction suitable for different-diameter；Simultaneously for what is occurred in boring procedure
Collapse hole problem, can be by reducing diameter, it is ensured that drill bit is smoothly extracted automatically.
In order to realize that main shaft 1 can extend or shortening this purpose along its axis direction, the main shaft 1 includes axis
101st, front axle 102 and rear axle 103, axis 101 are to be provided with telescoping mechanism, front axle 102 and rear axle in hollow mechanism, axis 101
103 two ends for being respectively protruding into axis 101 are connected with telescoping mechanism；Telescoping mechanism uses hydraulic telescopic machanism, alternatively, can use
Electrohydraulic cylinder；Telescoping mechanism in the present embodiment includes two hydraulic cylinders, the front axle 102 and rear axle 103 respectively with two
The hydraulic stem connection of hydraulic cylinder.By the flexible drive front axle 102 for the piston rod for controlling hydraulic cylinder or stretching for rear axle 103,
So as to realize the elongation or contraction of main shaft 1 along its length.
In order to realize connecting shaft 3 can along its axis direction elongation or shorten this purpose, connecting shaft 3 include fix
Hydraulic cylinder is provided with axle 301 and telescopic shaft 302, fixing axle 301, telescopic shaft 302 stretches into connection liquid cylinder pressure in fixing axle 301
Hydraulic stem；Fixing axle 301 connects the axis 101.
Rotating blade 2 in the present embodiment includes backspin blade 201, lateral blade 202 and upper rotary knife piece 203, three it
Between be hinged；Lateral blade 202 connects the connecting shaft 3.Backspin blade 201 is hinged with the front axle 102, upper rotary knife piece 203 with
The rear axle 103 is hinged；When main shaft 1 extends, i.e., when front axle 102 and rear axle 103 stretch out the length growth of axis 101 so that
Connecting shaft 3 shortens simultaneously, and said process can drive backspin blade 201, lateral blade 202 and upper rotary knife piece 203 simultaneously around being hinged
Point rotation so that the entire length of rotating blade 2 extends, and close to main shaft 1, reached the purpose that bit diameter reduces.Conversely,
When main shaft 1 shortens, the purpose of bit diameter increase can be reached, its principle is identical, and here is omitted.Bit diameter is gradually
Change process is as shown in Figure 2.
Wherein, backspin blade 201 is used to shred soil body part rubble during drill bit is crept into, and lateral blade 202 is used
In cutting off the lateral soil body and determining the diameter of drilling, upper rotary knife piece 203 is used in boring procedure, and lockhole or tiltedly occurs in drilling
The purpose that the top soil body reaches correction aperture is cut off during the phenomenons such as hole.
Further, the end of the front axle 102 is provided with apex point 4, and the end of the rear axle 103 is provided with tail end blade
5；The multiple backspin blade 2 is hinged with apex point 4, and the multiple upper rotary knife piece 203 is hinged with tail end blade 5.Wherein, apex point 4
Sillar and soil body rotation are smashed for the speed by rotation, and play a part of drilling and is oriented to；Tail end blade 5 is used for when brill
When occurring collapse hole phenomenon during entering, it can be impacted during lifting drill bit and cut off the soil on upper strata in favor of the lifting of drill bit.
All pin joints are provided with tetrafluoro slide plate pad in the present embodiment, and its load performance is good, and high temperature resistant is corrosion-resistant,
The small material of coefficient of friction.It ensure that component connects even closer, while ensure that component within the specific limits
Rotate.
Drill bit device of the present utility model, has the advantages that easy to operate, applicability is wide, can reach the multi-purpose mesh of a brill
, reduction drilling cost can be widely applied to bored pile foundation engineering.
Claims (7)
1. a kind of adjustable drill bit device of diameter for bored pile construction, including main shaft (1), it is characterised in that main
Multiple rotating blades (2) are evenly equipped with the side wall of axle (1), connecting shaft (3) are passed through between rotating blade (2) and the main shaft (1)
Connection；The main shaft (1) can extend or shorten along its axis direction；Connecting shaft (3) can be along its axis elongation or contracting
It is short；When connecting shaft (3) extends or shortens, drive rotating blade (2) close or away from the main shaft (1).
2. it is used for the adjustable drill bit device of diameter of bored pile construction as claimed in claim 1, it is characterised in that institute
Stating main shaft (1) includes being provided with telescoping mechanism, front axle in axis (101), front axle (102) and rear axle (103), axis (101)
(102) two ends of axis (101) are respectively protruding into and are connected with telescoping mechanism with rear axle (103).
3. it is used for the adjustable drill bit device of diameter of bored pile construction as claimed in claim 2, it is characterised in that institute
Stating telescoping mechanism includes two hydraulic cylinders, and the hydraulic stem of the front axle (102) and rear axle (103) respectively with two hydraulic cylinders connects
Connect.
4. it is used for the adjustable drill bit device of diameter of bored pile construction as claimed in claim 2, it is characterised in that institute
Stating connecting shaft (3) includes being provided with hydraulic cylinder, telescopic shaft (302) in fixing axle (301) and telescopic shaft (302), fixing axle (301)
Stretch into the hydraulic stem of fixing axle (301) interior connection liquid cylinder pressure；Fixing axle (301) connects the axis (101).
5. it is used for the adjustable drill bit device of diameter of bored pile construction as claimed in claim 4, it is characterised in that institute
Stating rotating blade (2) includes being hinged between backspin blade (201), lateral blade (202) and upper rotary knife piece (203), three；Laterally
Blade (202) connects the connecting shaft (3).
6. it is used for the adjustable drill bit device of diameter of bored pile construction as claimed in claim 5, it is characterised in that institute
The end for stating front axle (102) is provided with apex point (4), and the end of the rear axle (103) is provided with tail end blade (5)；It is the multiple
Backspin blade (2) is hinged with apex point (4), and the multiple upper rotary knife piece (203) is hinged with tail end blade (5).
7. it is used for the adjustable drill bit device of diameter of bored pile construction as claimed in claim 6, it is characterised in that institute
The end for stating rear axle (103) is provided with connecting cylinder (6), and the side wall of connecting cylinder (6) installs described tail end blade (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621208655.9U CN206608110U (en) | 2016-11-09 | 2016-11-09 | A kind of adjustable drill bit device of diameter for bored pile construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621208655.9U CN206608110U (en) | 2016-11-09 | 2016-11-09 | A kind of adjustable drill bit device of diameter for bored pile construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206608110U true CN206608110U (en) | 2017-11-03 |
Family
ID=60172529
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621208655.9U Expired - Fee Related CN206608110U (en) | 2016-11-09 | 2016-11-09 | A kind of adjustable drill bit device of diameter for bored pile construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206608110U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109653682A (en) * | 2018-12-17 | 2019-04-19 | 九江职业技术学院 | Bore the adjustable drill bit of diameter and hole digging machine |
-
2016
- 2016-11-09 CN CN201621208655.9U patent/CN206608110U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109653682A (en) * | 2018-12-17 | 2019-04-19 | 九江职业技术学院 | Bore the adjustable drill bit of diameter and hole digging machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171103 Termination date: 20181109 |