CN208168799U - Suitable for the drilling bit of pile engine containing boulder bed geology - Google Patents
Suitable for the drilling bit of pile engine containing boulder bed geology Download PDFInfo
- Publication number
- CN208168799U CN208168799U CN201820691492.7U CN201820691492U CN208168799U CN 208168799 U CN208168799 U CN 208168799U CN 201820691492 U CN201820691492 U CN 201820691492U CN 208168799 U CN208168799 U CN 208168799U
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- China
- Prior art keywords
- pick
- interior
- base tube
- boulder bed
- engine containing
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Abstract
The utility model discloses a kind of suitable for the drilling bit of pile engine containing boulder bed geology, it is related to piling machine, including base tube, helical blade is provided on the outside of the base tube, the opposite two sides in the base tube working end are removably provided with outer pick obliquely, two outer picks are towards on the contrary, the base tube working end is also hinged with the drill bit door for blocking base tube inner cavity, end face is provided with upward top plate to the drill bit outdoors, the top plate upper end is upward triangle, the top plate upper end is concordant with outer pick upper end, drill bit door upper end is additionally provided with interior pick device, the base tube is coaxially set and has flange, outer pick can be replaced, drilling efficiency is high, long service life.
Description
Technical field
The utility model relates to piling machines more particularly to a kind of suitable for the drilling bit of pile engine containing boulder bed geology.
Background technique
Piling machine is made of pile monkey, pile frame and auxiliary device etc..Pile monkey is attached to that pile frame front two is parallel to lead vertically
Between bar (being commonly called as gantry), liter is hung with lifting hook.Pile frame is a steelwork tower truss, and portion is equipped with hoist engine behind, to rise
Hang stake and pile monkey.The leading truck being made of before pile frame two guide rods makes stake according to design orientation standard to control piling direction
True ground injection stratum.The basic fundamental parameter of piling machine is impact moiety by weight, impact kinetic energy and frequency of impact.Pile monkey is by movement
Power resources can be divided into drop hammer, steam hammer, diesel hammer, hydraulic hammer etc., and screw pile driver is a kind of to drive brill by power head
Pile driving equipment of the rod bit to drifter drill for underground pore-forming.Screw pile driver can be divided into two parts, pile frame and drilling section, drilling
Part includes drilling rod and drill bit again.
Existing drilling bit of pile engine mainly includes base tube to be bored tooth and holds when in use with the brill tooth being arranged on base tube
It is easy to damage, soil layer cannot be well adapted to, drilling efficiency is low, and drill bit door cannot improve drilling efficiency, is especially rotating into containing ovum
The soil property of rock layers is it is very fast to bore odontotripsis, and be easy to appear bounce during drilling, influence the drilling bit of pile engine service life.
Summary of the invention
The purpose of the utility model is to overcome deficiencies in the prior art, and outer pick, drilling can be replaced by providing one kind
It is high-efficient, with long service life to be suitable for the drilling bit of pile engine containing boulder bed geology.
The utility model is achieved through the following technical solutions：It is a kind of suitable for the piling machine drill containing boulder bed geology
Head, including base tube, the base tube outside are provided with helical blade, and the opposite two sides in the base tube working end are removably provided with
Outer pick obliquely, two outer picks are towards on the contrary, the base tube working end is also hinged with the brill for blocking base tube inner cavity
Head door, end face is provided with upward top plate to the drill bit outdoors, and the top plate upper end is upward triangle, the top plate upper end
Concordant with outer pick upper end, drill bit door upper end is additionally provided with interior pick device, and the base tube is coaxially set and has flange.
Further, the helical blade end is provided with outer pick mounting base, and the outer pick mounting base includes outer cuts
Bottom of the tooth pipe, outer pick is provided in the outer pick mounting base, and the outer pick is cone, the outer pick lower end coaxial line
It is provided with outer pick extension bar, the outer pick extension bar is installed in outer pick bottom tube, is further sleeved with outside the outer pick extension bar outer
Pick spring column pin.
Further, the interior pick device includes the interior pick that top plate upper surface is arranged in, and the interior pick has 4-6
A, the direction of each interior pick is identical as the outer brill direction of tooth.
Further, the interior pick device includes two interior pick peaces that drill bit door upper surface is arranged and is located at top plate two sides
Seat is filled, interior pick mounting base includes pedestal, and the pedestal upper end is provided with interior pick bottom tube obliquely, the interior pick installation
Interior pick is provided on seat, the interior pick is cone, and the interior pick lower end, which is coaxially set, interior pick extension bar, described
Interior pick extension bar is installed in interior pick bottom tube, and outer pick spring column pin is further sleeved with outside the interior pick extension bar.
Further, reinforcing sleeve is provided on the outside of the base tube upper end.
Further, the helical blade outer end face is provided with wear-resisting layer.
Further, the base tube upper end opening is tapered opening, and drill bit door lower end is provided with and tapered opening phase
Matched cone boss.
Further, stiffener plate is provided between the flange and base tube outer wall.
The beneficial effects of the utility model are：Suitable for the drilling bit of pile engine containing boulder bed geology, outer pick can
Replacement, can effective save the cost, and improve drilling efficiency, drill bit door is provided with top plate and interior pick device, can be into one
The raising drilling efficiency of step, top plate upper end is upward triangle, and top plate upper end is concordant with outer pick upper end, can play very
Good certralizing ability, prevents drilling bit of pile engine and drilling rod from beating during drilling, guarantees service life；Outer pick and interior section
Tooth is taper, and resistance is small in drilling process, and can effectively improve makes suitable for the drilling bit of pile engine containing boulder bed geology
Use the service life.
Detailed description of the invention
Fig. 1 is 1 structural diagrams of embodiment intention；
Fig. 2 is 2 structural diagrams of embodiment intention；
Fig. 3 is pick device sectional view schematic diagram；
Fig. 4 is pick device sectional view schematic diagram in embodiment 2；
Fig. 5 is base tube and drill bit door connection relationship sectional view schematic diagram in embodiment 3；
Wherein：1- base tube, 2- helical blade, 3- flange, the wear-resisting layer of 4-, 5- drill bit door, 501- cone boss, the top 6-
Plate, 601- connecting plate, pick in 7-, 701- pedestal, pick bottom tube in 702-, pick extension bar in 703-, pick elasticity in 704-
Pin, pick work head in 705-, the outer pick bottom tube of 8-, the outer pick of 801-, the outer pick extension bar of 802-, the outer pick bottom tube of 803- are stifled
Head, the outer pick work head of 804-, the outer pick spring column pin of 805-, 9- stiffener plate, 10- reinforcing sleeve.
Specific embodiment
In the description of the present invention, it should also be noted that, unless otherwise clearly defined and limited, term " is set
Set ", " installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection,
Or it is integrally connected；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, intermediary can also be passed through
It is indirectly connected, can be the connection inside two elements.For the ordinary skill in the art, it can be managed with concrete condition
Solve the concrete meaning of above-mentioned term in the present invention.
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Embodiment 1
As shown in figures 1 and 3, a kind of suitable for the drilling bit of pile engine containing boulder bed geology, including base tube 1, outside base tube 1
Side is welded with helical blade 2, and the opposite two sides in 1 working end of base tube are welded with outer pick mounting base, and outer pick mounting base includes
Outer pick bottom tube 8 is equipped with outer pick 801 in outer pick mounting base, and the present embodiment China and foreign countries pick 801 uses 3060 type picks,
Outer pick 801 is cone, and outer 801 working end of pick is welded with the outer pick work head 804 made of wolfram steel, outer pick 801
Lower end coaxial line is welded with outer pick extension bar 802, and outer pick extension bar 802 is installed in outer pick bottom tube 8, outer pick extension bar 802
It is further sleeved with outer pick spring column pin 805 outside, outer pick extension bar 802 is installed on outer pick bottom by outer pick spring column pin 805
In pipe 8, it is firm welding, is also welded with the outer pick bottom tube plug 803 of spherical in outer 8 lower end of pick bottom tube, for convenience of more
Outer pick 801 is changed, opening is also provided on outer pick bottom tube plug 803, welding completion after-opening is exposed, can be used by opening
Mandril ejects outer pick 801 outward, and obliquely for 45 °, two outer picks 801 are contrary at the inclination angle of outer pick 801, guarantees to bore
Into efficiency, while it is excessive to can be avoided the shearing stress that weld is subject to, and guarantees service life.
1 working end of base tube also passes through connecting plate 601 and is hinged with drill bit door 5 for blocking 1 inner cavity of base tube, connecting plate 601
There are two, the two sides opposite positioned at drill bit door 5 are one of to be rotatably connected using bolt with base tube 1, another uses 1mm
Steel wire is connect with base tube 1, prevents drill bit door 5 from opening during drill bit transport, 5 outer end face of drill bit door is welded with upward top
Plate 6,6 upper end of top plate are upward triangle, and 6 upper end of top plate is concordant with outer 801 upper end of pick, during use top plate
Top can be realized the function of centering, prevent drilling bit of pile engine and drilling rod from beating during drilling, guarantee service life, bore
5 upper end of head door is also equipped with interior pick device, and interior pick device includes the interior pick 7 for being welded on 6 upper surface of top plate, the present embodiment
In interior pick be C31 type pick, interior pick has 4, and the direction of each interior pick 7 is identical with the rotation direction of outer pick, improves and turns to creep into
Efficiency.
1 coaxial line of base tube is welded with flange 3, is provided with stiffener plate 9 between 1 outer wall of flange 3 and base tube.
Reinforcing sleeve 10 is welded on the outside of 1 upper end of base tube, helical blade 2 is welded on 10 outside of reinforcing sleeve.
Helical blade outer end face is machined with wear-resisting layer 4, and wear-resisting layer 4 is wear rib welding gained, has good resistance to
Grind performance.
It is provided in this embodiment to be suitable for the drilling bit of pile engine containing boulder bed geology, it is suitable for containing partial size in 1-2cm
Boulder bed soil property, apply also for having applying for one or more difficult construction layers such as severely-weathered layer, middle weathered layer, glued layer
Work regularly replaces outer pick, can guarantee drilling efficiency, while can reduce cost.
Embodiment 2
As shown in Figure 2, Figure 4 shows, a kind of suitable for the drilling bit of pile engine containing boulder bed geology, unlike the first embodiment,
Interior pick device includes two interior pick mounting bases for being welded on 5 upper surface of drill bit door and being located at 6 two sides of top plate, interior pick mounting base
Including pedestal 701,701 upper end of pedestal is welded with interior pick bottom tube 703 obliquely, is equipped with interior pick in interior pick mounting base
7, pick 7 is with corresponding outer pick 801 towards identical in two, and interior pick 7 selects 3050 type picks, interior pick 7 in embodiment
For cone, interior 7 working end of pick is welded with the outer pick work head 705 made of wolfram steel, the coaxial wire bonding in interior 7 lower end of pick
There is interior pick extension bar 703, interior pick extension bar 703 is installed in interior pick bottom tube 702, is further sleeved with outside interior pick extension bar 703 outer
Pick spring column pin 704, interior pick extension bar 703 are installed in outer pick bottom tube by interior pick spring column pin 704, are conveniently torn open
Dress.
Provided in this embodiment to be suitable for the drilling bit of pile engine containing boulder bed geology, being primarily adapted for use in containing partial size is 2-
The soil property of the boulder bed of 3cm, it is also suitable for the construction of the more difficult construction soil property such as rare glued layer, severely-weathered layer.
Embodiment 3
As shown in figure 5, it is a kind of suitable for the drilling bit of pile engine containing boulder bed geology, it is different from embodiment 1 and embodiment 2
, on the basis of embodiment 1 or embodiment 2, base, 1 upper end opening is tapered opening, and 5 lower end of drill bit door is integrally machined
There is the cone boss 501 to match with tapered opening, clearance fit between the two passes through tapered opening and cone boss 501
Cooperation, in use due to there is pressure therebetween, makes tapered opening and cone boss combine closely, water is avoided to enter
In base tube 1, to enable to be suitable for the soil property construction big in water content of the drilling bit of pile engine containing boulder bed geology.
Finally it should be noted that：The above descriptions are merely preferred embodiments of the present invention, is not limited to this
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic
It is equivalently replaced, within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on,
It should be included within the scope of protection of this utility model.
Claims (8)
1. a kind of suitable for the drilling bit of pile engine containing boulder bed geology, it is characterised in that：Including base tube, set on the outside of the base tube
It is equipped with helical blade, the opposite two sides in the base tube working end are removably provided with outer pick obliquely, two outer picks
Towards on the contrary, the base tube working end is also hinged with the drill bit door for blocking base tube inner cavity, end face is arranged the drill bit outdoors
There is upward top plate, the top plate upper end is upward triangle, and the top plate upper end is concordant with outer pick upper end, the drill bit
Door upper end is additionally provided with interior pick device, and the base tube is coaxially set and has flange.
2. according to claim 1 be suitable for the drilling bit of pile engine containing boulder bed geology, it is characterised in that：The spiral
Blade end is provided with outer pick mounting base, and the outer pick mounting base includes outer pick bottom tube, in the outer pick mounting base
It is provided with outer pick, the outer pick is cone, and the outer pick lower end, which is coaxially set, outer pick extension bar, described outer section
Toe joint bar is installed in outer pick bottom tube, and outer pick spring column pin is further sleeved with outside the outer pick extension bar.
3. according to claim 1 be suitable for the drilling bit of pile engine containing boulder bed geology, it is characterised in that：It is cut in described
Tooth device includes the interior pick that top plate upper surface is arranged in, and the interior pick has 4-6, and each interior pick is directed toward and outer brill tooth
It is directed toward identical.
4. according to claim 1 be suitable for the drilling bit of pile engine containing boulder bed geology, it is characterised in that：It is cut in described
Tooth device includes two interior pick mounting bases that drill bit door upper surface is arranged and is located at top plate two sides, and interior pick mounting base includes bottom
Seat, the pedestal upper end are provided with interior pick bottom tube obliquely, and interior pick is provided in the interior pick mounting base, described interior
Pick is cone, and the interior pick lower end, which is coaxially set, interior pick extension bar, and the interior pick extension bar is installed on interior pick
In bottom tube, outer pick spring column pin is further sleeved with outside the interior pick extension bar.
5. according to claim 1 be suitable for the drilling bit of pile engine containing boulder bed geology, it is characterised in that：The base tube
Reinforcing sleeve is provided on the outside of upper end.
6. according to claim 1 be suitable for the drilling bit of pile engine containing boulder bed geology, it is characterised in that：The spiral
Blade outer end face is provided with wear-resisting layer.
7. according to claim 1 be suitable for the drilling bit of pile engine containing boulder bed geology, it is characterised in that：The base tube
Upper end opening is tapered opening, and drill bit door lower end is provided with the cone boss to match with tapered opening.
8. according to claim 1 be suitable for the drilling bit of pile engine containing boulder bed geology, it is characterised in that：The flange
Stiffener plate is provided between base tube outer wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820691492.7U CN208168799U (en) | 2018-05-10 | 2018-05-10 | Suitable for the drilling bit of pile engine containing boulder bed geology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820691492.7U CN208168799U (en) | 2018-05-10 | 2018-05-10 | Suitable for the drilling bit of pile engine containing boulder bed geology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208168799U true CN208168799U (en) | 2018-11-30 |
Family
ID=64365793
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820691492.7U Expired - Fee Related CN208168799U (en) | 2018-05-10 | 2018-05-10 | Suitable for the drilling bit of pile engine containing boulder bed geology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208168799U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114041003A (en) * | 2019-07-05 | 2022-02-11 | 安百拓凿岩有限公司 | Method and system for estimating wear of a drill bit |
-
2018
- 2018-05-10 CN CN201820691492.7U patent/CN208168799U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114041003A (en) * | 2019-07-05 | 2022-02-11 | 安百拓凿岩有限公司 | Method and system for estimating wear of a drill bit |
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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: 20181130 |