CN206862678U - Geotome - Google Patents

Geotome Download PDF

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Publication number
CN206862678U
CN206862678U CN201720547182.3U CN201720547182U CN206862678U CN 206862678 U CN206862678 U CN 206862678U CN 201720547182 U CN201720547182 U CN 201720547182U CN 206862678 U CN206862678 U CN 206862678U
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CN
China
Prior art keywords
drilling rod
drill bit
soil
diameter section
drillstock
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Application number
CN201720547182.3U
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Chinese (zh)
Inventor
苏有健
王烨军
张永利
廖万有
罗毅
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Tea Research Institute Anhui Academy of Agricultural Sciences
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Tea Research Institute Anhui Academy of Agricultural Sciences
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Priority to CN201720547182.3U priority Critical patent/CN206862678U/en
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Abstract

The utility model belongs to the apparatus field that fetches earth, and in particular to a kind of geotome.The utility model includes drilling rod and is arranged at the drillstock of drilling rod top end, the affixed drill bit of drilling rod bottom end, it is characterised in that:The drilling rod profile is in straight circular tube shaped, drillstock be two and coaxially to each other be arranged in drilling rod both sides, and two drillstocks along drill rod axis and axial symmetry is set;Bit contour is in the ladder tubular of two-period form, and the reduced diameter section of drill bit forms the plugged and fixed section for being co-axially inserted at the barrel chamber of drilling rod bottom, and the enlarged diameter section of drill bit forms the edge of a knife section for boring soil;Above-mentioned enlarged diameter section external diameter is equal to drilling rod external diameter.The utility model possess construction firmly, be easy to carry, be easy to operate and the advantages of soil sample reset condition can be kept when fetching earth, live soil extracting efficiency can be obviously improved while the labor intensity of operator is effectively reduced.

Description

Geotome
Technical field
The utility model belongs to the apparatus field that fetches earth, and in particular to a kind of geotome.
Background technology
Soil, it is the subject of nature that the mineral composition to come in every shape is formed.The difference of soil and chorizon is shown In form, physical characteristic, chemical characteristic and mineralogical characteristic etc..The collection of soil is with analysis to research Agriculture Field examination Test, soil remediation, plant physiology research etc. it is significant, understand soil nutrient, moisture, granule, enzymatic activity, micropopulation It is to play the premise of soil advantage the parameter such as to fall, and the representativeness of pedotheque, accuracy are that parametric results are reliable, accurate Basis.Soil sampler is to test undisturbed soil soil as sample for lifting lower floor to understand the Special soil sampler tool of its property.Mesh Preceding sampler structure generally includes the drilling rod of solid direct rod shape, drilling rod piece drillstock of top end face solid welding so as between drilling rod " T " word structure is formed, the cutting ring drill bit of tubular is arranged in the bottom of drilling rod.In use, drilling rod downward actuation is promoted by drillstock, What now cutting ring drill bit can be progressively is stretched into soil, and a part of soil is stored in the barrel-shaped cavity of cutting ring drill bit.It is above-mentioned to fetch earth Device has a drawback in that:First, the barrel-shaped cavity of cutting ring drill bit is downward opening tubbiness cavity, this causes the soil of internal memory past Toward being not easy to take out, often it is required for tapping with strength or is dialled outward with screwdriver during sub-sampling, sampling operation is extremely wasted time and energy, easily Soil reset condition is destroyed, while efficiency is low.Second, the barrel-shaped cavity built in cutting ring drill bit needs, therefore cutting ring drill bit Commonly greater than drill pipe diameter, this can to produce shaft shoulder knuckle in other words naturally in cutting ring drill bit and drilling rod junction external diameter. During soil sampler is proposed, above-mentioned knuckle can cause whole soil sampler to increase with respect to the frictional resistance of surface drilling, cutting ring The edge of a knife of drill bit is also highly susceptible to damage.If in addition, hard foreign matter be present in drilling, or soil hardness itself it is larger, hold Weight is larger or sticky stronger etc., can all cause cutting ring drill bit further to be increased by the difficulty proposed in drilling, and then further Reduce soil extracting efficiency.
The content of the invention
The purpose of this utility model is to overcome above-mentioned the deficiencies in the prior art, there is provided a kind of rational in infrastructure and practical fetches earth Bore, it possess construction firmly, be easy to carry, be easy to operate and the advantages of soil sample reset condition can be kept when fetching earth, can be effective While reducing the labor intensity of operator, live soil extracting efficiency is obviously improved.
To achieve the above object, the utility model employs following technical scheme:
A kind of geotome, including drilling rod and the drillstock for being arranged at drilling rod top end, the affixed drill bit of drilling rod bottom end, it is special Sign is:The drilling rod profile is in straight circular tube shaped, drillstock be two and coaxially to each other be arranged in drilling rod both sides, and two drillstocks Along drill rod axis, axial symmetry is set;Bit contour is in the ladder tubular of two-period form, and the reduced diameter section of drill bit is formed for coaxial The plugged and fixed section inserted at the barrel chamber of drilling rod bottom, and the enlarged diameter section of drill bit forms the edge of a knife section for boring soil;It is above-mentioned big straight Footpath section external diameter is equal to drilling rod external diameter.
Preferably, rotation tooth is disposed with the enlarged diameter section outer wall, is deposited between the bearing of trend and drill bit bus of the rotation tooth There are 45 ° of angles;Each rotation tooth is circumferential along drill bit and uniform successively at enlarged diameter section outer wall, and per pass rotation tooth protrudes bottom of drill bit face And arrange the edge of a knife at the corresponding tip of rotation tooth highlight.
Preferably, the drilling rod material is stainless steel, and drill bit material is tungsten manganese alloy, and rotation tooth height is 1cm.
Preferably, arranged at the outer tube wall of the drilling rod along drilling rod bar length direction deep with respect to ground insertion for recording drilling rod The scale of degree.
Preferably, drillstock outer wall, which is coated with, is easy to hand-held soft bed course.
The beneficial effects of the utility model are:
1), solve and coordinate such as inconvenient for use caused by the cutting ring drill bit of tubbiness using traditional solid drill shaft and take The defects of native efficiency is low.What the utility model looked for another way employ tube drilling rod and the drill bit of ladder tubular of arranging in pairs or groups, a side Face, the maximum gauge of drill bit is equal with drilling rod external diameter, so that drilling rod and the outer wall of drill bit are naturally concordant, also avoids to pass A series of caused by the existing shaft shoulder use problem between the cutting ring drill bit and drilling rod of system, and then cause the utility model either Bore soil or can very easily reach operation purpose when extracting soil, use is more convenient.On the other hand, the minor diameter of drill bit Section is plugged in drilling rod, and in other words, the internal diameter of drill bit is actually less than drilling rod caliber, namely now shape between drilling rod and drill bit And shoulder hole construction that bottom aperture small big into top aperture.Every time fetch earth operation when, soil is directly via drill bit Drill through and be pressed into drilling rod and preserved, and in sampling, directly turn around from drilling rod top end and pour out soil sample. Because foring shoulder hole construction between drilling rod and drill bit, drilling rod tube chamber will not be clamped on by entering the intraluminal soil of drilling rod from drill bit Interior, it is more convenient to pour out operation, more conducively keeps undisturbed soil, and can while the labor intensity of operator is effectively reduced, It is obviously improved live soil extracting efficiency.Drillstock is distributed in drilling rod both sides, and interference is produced to avoid the taking-up to soil from operating.
2), the further preferred scheme as such scheme, the utility model arrange rotation tooth at the enlarged diameter section of drill bit. The arrangement of tooth is revolved, arranges in pairs or groups and above-mentioned drillstock and waits the drilling rod and enlarged diameter section of external diameter so that the utility model geotome can be fine Land productivity body weight, so that relative drill bit is pushed force to greatest extent.Certainly, due to the corresponding point of rotation tooth highlight The edge of a knife is disposed with end, and causes self-assembling formation groove between the adjacent edge of a knife, is bestowed during being pushed in drilling rod along edge of a knife direction During revolving force, the root systems of plant such as xylophyta can effectively be cut by now revolving tooth, and so as to further reduce the obstacle that fetches earth, lifting is real Border soil extracting efficiency.
3) scale, is arranged at drilling rod, to facilitate record drilling rod with respect to the insertion depth on ground.The drilling rod material is stainless Steel, drill bit material is tungsten manganese alloy, to ensure the actual life of drilling rod and drill bit.Drillstock outer wall be coated be easy to it is hand-held Soft bed course, effectively to lift usage comfort of the present utility model.
Brief description of the drawings
Fig. 1 is the utility model structure diagram;
Fig. 2 is Fig. 1 sectional view;
Fig. 3 is the dimensional structure diagram of drill bit.
Illustrate each label and specific component names corresponding relation of the present utility model is as follows:
10- drilling rod 11- scale 20- drillstocks
30- drill bit 31- reduced diameter section 32- enlarged diameter sections 33- revolves the tooth 33a- edges of a knife
Embodiment
For ease of understanding, make following describe here in connection with Fig. 1-3 pairs of concrete structures of the present utility model and workflow:
The utility model concrete structure as Figure 1-3, including drilling rod 10, drillstock 20 and is welded in the bottom end of drilling rod 10 Drill bit 30.Wherein, drill bit 30 is the ladder bushing structure of two-period form, and the punishment of the outer wall of drill bit 30 is furnished with multiple tracks rotation tooth 33.Work as rotation Tooth 33 along the axial direction of drill bit 30 extend when, on the one hand need the shape angle at 45 ° between the bus of drill bit 30, on the other hand each rotation tooth 33 equidistant placements, finally so that forming equidistant helical arrangement in the same direction as shown in figures 1 and 3 between all rotation teeth 33.It is actual In use, rotation tooth 33 number can be taken the circumstances into consideration to select according to field conditions, and when being in particular in structure shown in Fig. 1 and Fig. 3, rotation The number of tooth 33 is five, and it is 1.0cm that it is highly preferred with respect to the projection of enlarged diameter section 32, which to revolve tooth 33,.
Drilling rod 10 is made up of stainless steel tube.With scale 11 is arranged with the outer wall of drilling rod 10, so as to timing monitoring drilling rod 10 Depth is pierced with respect to ground, so as to realize the Precise control to soil sample depth.Shown in reference picture 1-2, drillstock 20 is Two and it is axisymmetric be distributed in the top end of drilling rod 10 so that between drilling rod 10 and drillstock 20 formed " ten " font structure.For It is easy to clean out soil sample from drill bit 30, it is also contemplated that along the axis of drill bit 30 and recessed bar shaped at the enlarged diameter section 32 of drill bit 30 Fluting.In addition, because the top end face of the utility model selection drilling rod 10 is soil sample mouth, it is contemplated that consistency of soil equal difference It is different, also can directly by drilling rod 10 be designed as along drilling rod 10 axis, double of subdivision Hafu-type construction, and by two double fastening Half shell side is be hinged and opposite side is fastened by hasp, the overall opening purpose of drilling rod 10 when needed is realized, in order to enter The sampling efficiency of the lifting soil of one step.
The preferable material of drilling rod 10 of the utility model is stainless steel, and drill bit 30 is protected using tungsten manganese alloy material Demonstrate,prove hard, sharp, corrosion can be avoided again, frictional resistance when going deep into soil layer so as to reduce, unique cloth of collocation rotation tooth 33 Office, can preferably realize the fly-cutting function to root system of plant.
Working method of the present utility model is by rotating drillstock 20 come rotary drill bit 30 so as to being fetched earth.Practical operation When, operating personnel hold drillstock 20 clockwise and firmly rotate the utility model downwards, so that the enlarged diameter section 32 of drill bit 30 Into soil deeply.It is as needed according to user, arbitrarily it can adjust piercing for drill bit 30 according to the scale 11 on drilling rod 10 Depth, to be fetched earth at specified depth of soil.Now, stretching into drill bit 30, soil can press along the barrel chamber of drill bit 30 Enter in the bigger tube chamber of drilling rod 10 of internal diameter.Afterwards, extract the utility model from soil, then from the top ends of drilling rod 10 by soil sample from Integrally poured out in the tube chamber of drilling rod 10, it is obviously extremely convenient that it is used, and soil sample efficiency is obviously also obviously improved.

Claims (5)

1. a kind of geotome, including drilling rod (10) and the drillstock (20) for being arranged at drilling rod (10) top end, drilling rod (10) bottom Locate affixed drill bit (30), it is characterised in that:Drilling rod (10) profile is in straight circular tube shaped, and drillstock (20) is two and coaxially to each other Be arranged in drilling rod (10) both sides, and two drillstocks (20) along drilling rod (10) axis and axial symmetry is set;Drill bit (30) profile is in The ladder tubular of two-period form, the reduced diameter section (31) of drill bit (30) are formed for being co-axially inserted inserting at the barrel chamber of drilling rod (10) bottom Canned paragraph is connect, and the enlarged diameter section (32) of drill bit (30) forms the edge of a knife section for boring soil;Above-mentioned enlarged diameter section (32) external diameter etc. In drilling rod (10) external diameter.
A kind of 2. geotome according to claim 1, it is characterised in that:Rotation is disposed with enlarged diameter section (32) outer wall Tooth (33), there are 45 ° of angles between the bearing of trend and drill bit (30) bus of the rotation tooth (33);Each tooth (33) that revolves is along drill bit (30) It is circumferential and uniform successively at enlarged diameter section (32) outer wall, prominent drill bit (30) bottom face of per pass rotation tooth (33) and rotation tooth (33) The edge of a knife (33a) is arranged at the corresponding tip of highlight.
A kind of 3. geotome according to claim 2, it is characterised in that:Drilling rod (10) material is stainless steel, drill bit (30) material is tungsten manganese alloy, and rotation tooth (33) is highly 1cm.
4. according to a kind of geotome described in claim 1 or 2 or 3, it is characterised in that:Edge at the outer tube wall of the drilling rod (10) Drilling rod (10) bar length direction is arranged for recording scale (11) of the drilling rod (10) with respect to ground insertion depth.
5. according to a kind of geotome described in claim 1 or 2 or 3, it is characterised in that:Drillstock (20) outer wall, which is coated with, is easy to hand The soft bed course held.
CN201720547182.3U 2017-05-17 2017-05-17 Geotome Active CN206862678U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720547182.3U CN206862678U (en) 2017-05-17 2017-05-17 Geotome

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720547182.3U CN206862678U (en) 2017-05-17 2017-05-17 Geotome

Publications (1)

Publication Number Publication Date
CN206862678U true CN206862678U (en) 2018-01-09

Family

ID=60824095

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201720547182.3U Active CN206862678U (en) 2017-05-17 2017-05-17 Geotome

Country Status (1)

Country Link
CN (1) CN206862678U (en)

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