CN206759993U - Vane type sawtooth drill bit - Google Patents
Vane type sawtooth drill bit Download PDFInfo
- Publication number
- CN206759993U CN206759993U CN201720366460.5U CN201720366460U CN206759993U CN 206759993 U CN206759993 U CN 206759993U CN 201720366460 U CN201720366460 U CN 201720366460U CN 206759993 U CN206759993 U CN 206759993U
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- CN
- China
- Prior art keywords
- drilling rod
- drill bit
- sawtooth
- toothed edge
- blade
- Prior art date
- 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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- Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
Abstract
This application discloses the vane type sawtooth drill bit in agricultural planting machinery field, including drilling rod, drilling rod includes the drilling rod head of drilling rod handle and sharp tooth, and drilling rod head is connected with drilling rod handle；The drill bit also includes triangular vane, and the blade includes connection side and toothed edge, and the axis direction of the connection edge drill bit is connected on drilling rod；The edge of the toothed edge is set side by side with some sawtooth, and acute angle is formed between toothed edge and drilling rod handle；One end of the toothed edge is located at the junction of drilling rod head and drilling rod handle.This programme is by being provided with the toothed edge of sawtooth, and one end of toothed edge is located at the junction of drilling rod head and drilling rod handle so that toothed edge contacts with pothole inwall, and cuts soil by sawtooth, makes soil in small, broken bits loose.
Description
Technical field
It the utility model is related to agricultural planting machinery field, and in particular to a kind of vane type sawtooth drill bit.
Background technology
Most of plant is needed to excavate pothole with planting to ploughing in plantation, and seed to be planted, seedling etc. are put into pothole
In take root or take root.Traditional excavation pothole method is manually to make the chisel that digs with a hoe, and hand labor intensity is big, and operating efficiency is low,
Existing large-scale mechanical cavitation machine at present, its type volume is big, is not suitable for the middle or small cultivated operation for planting ground.
For the middle or small cultivated digging cave demand for planting ground, equipment of small motor drill bit cavitation machine is nowadays there has also been, its drill bit plays pothole
The effect of shaping, because drill bit existing defects in design, such as Chinese patent CN104221532A disclose a kind of " drilling cavitation
Machine ", it includes power set, actuating unit, hand handle part, drill bit etc., and its actuating unit is sequentially connected flexible axle, become
Fast case, hard axle, drill bit, power is passed into drill bit after gearbox speed change.It is its cavitation steady quality, reliable, but because the brill
The bit face of hole cavitation machine is smooth, and when drilling cavitation, drill bit is extruded the inwall of pothole, causes in the pothole that scrapes out
Wall consolidation, loosen the soil less, the influence so brought is：On the one hand, the soil of consolidation can cause the water flow in soil to be obstructed,
Then it is unfavorable under rainwater weather condition pothole internal water accumulation toward permeating in soil, is easily caused ponding, or even submerged plant root system or plant
Thing seedling, then influence the growth of plant；On the other hand, because chesson good permeability, outside air are easily accessible loose
In the gap of soil, be advantageous to the aerobic respiration of plant roots, the deficiency if pothole inwall does not loosen the soil or loosened the soil, inside pothole
Air can not be changed timely and effectively, and then be unfavorable for the aerobic respiration of plant roots.
Utility model content
The utility model is directed to above-mentioned technical problem, there is provided a kind of vane type sawtooth drill bit, to solve existing brill
The problem of pothole inwall consolidation that head excavates.
In order to solve the above-mentioned technical problem, the utility model provides following basic technology scheme：Vane type sawtooth drill bit, bag
Drilling rod is included, drilling rod includes the drilling rod head of drilling rod handle and sharp tooth, and drilling rod head is connected with drilling rod handle；The drill bit also includes triangle
Blade, the blade include connection side and toothed edge, and the axis direction of the connection edge drilling rod handle is connected on drilling rod handle；Institute
The edge for stating toothed edge is set side by side with some sawtooth, and acute angle is formed between toothed edge and drilling rod handle；One end of toothed edge is located at
The junction of drilling rod head and drilling rod handle.
Operation principle of the present utility model：Drill bit at work, the high-speed rotation typically under larger moment of torsion effect.
During excavating pothole, with drill bit gradually going deep on planting site, pothole is ultimately formed.In pothole forming process, leaf
Piece scrape cutting to the soil of pothole inwall；This programme will form acute angle, one end position of toothed edge between toothed edge and drilling rod handle
In the junction of drilling rod head and drilling rod handle, such setting can be such that toothed edge is contacted with pothole inwall, be increased pair by sawtooth
The cutting force of pothole inwall soil, strong cutting is carried out to soil, soil is become in small, broken bits loose.
The beneficial effects of the utility model are：This programme is by being provided with the toothed edge of sawtooth, and one end of toothed edge
Positioned at the junction of drilling rod head and drilling rod handle so that toothed edge contacts with pothole inwall, and cuts soil by sawtooth, makes soil
Earth is in small, broken bits.This programme drill bit is compared with existing drill bit simultaneously, and blade contact with everywhere soil is all discontinuity, to pothole
Inwall is constantly cut, without producing the extruding to inwall, so that the soil chopped up is in always rarefaction, is overcome
The defects of pothole inwall consolidation that existing drill bit excavates, the amount of chesson is more in pothole, then the gas permeability and water penetration of pothole
Enhancing, contributes to growing for root system of plant, improves the survival rate of plant seedling.And strong cutting of the sawtooth to soil is made
With accelerating the shaping of pothole.
It is the optimization to basic technology scheme below：
Prioritization scheme one, based on basic technology scheme：The blade is provided with through hole.Such setting, on the one hand, drill bit
It is lighter that own wt compares conventional drill, reduces equipment and manpower strain.On the other hand, because in bit operation, drill bit
By the resistance of wind, the load of drill bit can will be increased in rotary course, and especially blade is whole due to during pothole is excavated
Individual blade and the soil contact product in pothole are big, while also suffer from the resistance of soil.When load is excessive, it is likely that can make
The power of power output increases and damaged the actuating unit for driving drill bit to rotate.So setting through hole, reduce blade and wind or soil
The contact area of earth, and then reduce resistance, the problem of overcoming load excessive, it can avoid caused by operation high temperature rubs
Loss.
Prioritization scheme two, based on prioritization scheme one：The blade is in curved arc shape, and its curved arc direction is with the axis direction of drilling rod
Centered on.Such curved arc shaped blade helps to decompose power, and the power that thus blade is subject to reduces, and can extend making for blade
Use the life-span.
Prioritization scheme three, based on prioritization scheme two：The blade at least two panels, blade is centered on drilling rod described in two panels
Axial symmetry is set.It on the one hand can so accelerate the shaping of pothole；On the other hand being symmetrical arranged balances bit force, so as to soil
The reaction force of earth is identical, and the pothole shape made is up to specification.
Prioritization scheme four, based on prioritization scheme three：The drilling rod head is flat sharp tooth.Flat sharp tooth drilling rod head
Be advantageous to the drilling of drill bit, reduce the drilling resistance of drill bit.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model vane type sawtooth drill bit；
Fig. 2 is the enlarged drawing of A in Fig. 1.
Embodiment
Technical solutions of the utility model are described further with reference to the accompanying drawings and examples：
Reference：Drilling rod handle 1, blade 2, sawtooth 3, through hole 4, drilling rod first 5.
As shown in Figures 1 and 2, the drill bit of 2 formula sawtooth of blade 3, including drilling rod, drilling rod include drilling rod handle 1 and flat sharp tooth
Drilling rod first 5, drilling rod first 5 is connected with drilling rod handle 1；Drill bit also includes two panels triangular vane 2, and the middle part of blade 2 is provided with two
Similar rectangular through hole 4 and a triangle through hole 4；Blade 2 includes connection side and toothed edge, connection edge drilling rod handle 1
Axis direction is bolted on drilling rod handle 1, is so advantageous to the dismounting of blade 2, is changed；The edge of toothed edge is set side by side
It is equipped with some sawtooth 3, the spacing between adjacent saw-tooth 3 is 10mm, can so extend the life-span of sawtooth 3, and soil is cut
It is more preferable to consider effect to be worth doing；Acute angle is formed between toothed edge and drilling rod handle 1；One end of toothed edge is located at the connection of drilling rod first 5 and drilling rod handle 1
Place；Blade 2 is in curved arc shape, and its curved arc direction is centered on the axis direction of drilling rod.
Drill bit at work, the high-speed rotation typically under larger moment of torsion effect.During pothole is excavated, with brill
Head gradually gos deep on planting site, ultimately forms pothole.In pothole forming process, the discontinuity of blade 2 with everywhere soil
Earth contacts, and blade 2 scrape cutting to the soil of pothole inwall；Blade 2 is arranged to triangle, one end position of toothed edge by this programme
In the junction of drilling rod first 5 and drilling rod handle 1, such setting can be such that toothed edge is contacted with pothole inwall, be increased by sawtooth 3
To the cutting force of pothole inwall soil, strong cutting is carried out to soil, soil is become in small, broken bits loose.
For those skilled in the art, on the premise of the utility model structure is not departed from, if can also make
Dry modification and improvement, these should also be considered as the scope of protection of the utility model, and these are implemented all without the utility model is influenceed
Effect and practical applicability.
Claims (5)
1. vane type sawtooth drill bit, including drilling rod, drilling rod includes the drilling rod head of drilling rod handle and sharp tooth, and drilling rod head connects with drilling rod handle
Connect；It is characterized in that：The sawtooth drill bit also includes triangular vane, and the blade includes connection side and toothed edge, the company
Axis direction of the edge fit along drilling rod handle is connected on drilling rod handle；The edge of the toothed edge is set side by side with some sawtooth, sawtooth
Acute angle is formed between side and drilling rod handle；One end of the toothed edge is located at the junction of drilling rod head and drilling rod handle.
2. vane type sawtooth drill bit as claimed in claim 1, it is characterised in that：The blade is provided with through hole.
3. vane type sawtooth drill bit as claimed in claim 2, it is characterised in that：The blade is in curved arc shape, its curved arc direction
Centered on the axis direction of drilling rod.
4. vane type sawtooth drill bit as claimed in claim 3, it is characterised in that：The blade at least two panels, described in two panels
Blade axial symmetry centered on drilling rod is set.
5. such as vane type sawtooth drill bit according to any one of claims 1 to 4, it is characterised in that：The drilling rod head is flat
Sharp tooth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720366460.5U CN206759993U (en) | 2017-04-10 | 2017-04-10 | Vane type sawtooth drill bit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720366460.5U CN206759993U (en) | 2017-04-10 | 2017-04-10 | Vane type sawtooth drill bit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206759993U true CN206759993U (en) | 2017-12-19 |
Family
ID=60631309
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720366460.5U Expired - Fee Related CN206759993U (en) | 2017-04-10 | 2017-04-10 | Vane type sawtooth drill bit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206759993U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109548432A (en) * | 2018-11-23 | 2019-04-02 | 颍上县绿地食品有限公司 | A kind of intelligent planting unit of sweet potato plantation |
| CN110419296A (en) * | 2019-08-26 | 2019-11-08 | 贵州大学 | A kind of adjustable crops transplanting perforating device of operation structure length and adjusting method |
| CN110454090A (en) * | 2019-08-26 | 2019-11-15 | 贵州大学 | A kind of hole Jing Jiao is at drill |
-
2017
- 2017-04-10 CN CN201720366460.5U patent/CN206759993U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109548432A (en) * | 2018-11-23 | 2019-04-02 | 颍上县绿地食品有限公司 | A kind of intelligent planting unit of sweet potato plantation |
| CN110419296A (en) * | 2019-08-26 | 2019-11-08 | 贵州大学 | A kind of adjustable crops transplanting perforating device of operation structure length and adjusting method |
| CN110454090A (en) * | 2019-08-26 | 2019-11-15 | 贵州大学 | A kind of hole Jing Jiao is at drill |
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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: 20171219 Termination date: 20190410 |