CN109187077A - A kind of detachable coal bed gas coal core sampler - Google Patents

A kind of detachable coal bed gas coal core sampler Download PDF

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Publication number
CN109187077A
CN109187077A CN201811324457.2A CN201811324457A CN109187077A CN 109187077 A CN109187077 A CN 109187077A CN 201811324457 A CN201811324457 A CN 201811324457A CN 109187077 A CN109187077 A CN 109187077A
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CN
China
Prior art keywords
bottom plate
sampler
frame
fixing barrel
coal
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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.)
Withdrawn
Application number
CN201811324457.2A
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Chinese (zh)
Inventor
王可新
平立华
邱成
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China Coal Changjiang Geological Group Co Ltd
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China Coal Changjiang Geological Group Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by China Coal Changjiang Geological Group Co Ltd filed Critical China Coal Changjiang Geological Group Co Ltd
Priority to CN201811324457.2A priority Critical patent/CN109187077A/en
Publication of CN109187077A publication Critical patent/CN109187077A/en
Withdrawn legal-status Critical Current

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00Sampling; Preparing specimens for investigation
    • G01N1/02Devices for withdrawing samples
    • G01N1/04Devices for withdrawing samples in the solid state, e.g. by cutting
    • G01N1/08Devices for withdrawing samples in the solid state, e.g. by cutting involving an extracting tool, e.g. core bit

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  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Sampling And Sample Adjustment (AREA)

Abstract

The present invention relates to a kind of detachable coal bed gas coal core samplers, including bottom plate, two walking positioning devices and sampler, there are two walking positioning devices for setting on the bottom plate, two walking positioning devices are symmetrically mounted at left and right sides of bottom plate lower end, bottom plate upper end right side central is hatch frame, sampler is installed on the left of bottom plate upper end, is located inside hatch frame on the right side of sampler.The present invention can solve existing sampler when sampling to subterranean coal, and mobile inconvenient, locating effect is poor, accurately coal seam can not be sampled, sampling is complicated, and inconvenient for operation, the degree of automation is low, working efficiency is slow, after sampling, quickly the coal core in sampler can not be taken out, and effectively coal core can not be distinguished, the high problems such as with low efficiency of complicated for operation, labor intensity, may be implemented the function to subterranean coal fast sampling of automation.

Description

A kind of detachable coal bed gas coal core sampler
Technical field
The present invention relates to sampler apparatus field, in particular to a kind of detachable coal bed gas coal core sampler.
Background technique
Plant remains is through the flammable mineral products of layered solid made of complicated biological chemistry action, geologic process transformation.It is assigned It is stored among coal-bearing series, between roof and floor rock.The number of plies, thickness, occurrence and the buried depth in coal seam etc., by ancient structure It makes, ancient geoaraply and paleoclimate condition restrict.The preservation situation in coal seam be determining coalfield economic value and development project it is important according to According to;Coal seam needs to be sampled coal seam before being exploited.
For existing sampler when sampling to subterranean coal, mobile inconvenient, locating effect is poor, can not be accurately to coal seam It is sampled, sampling is complicated, and inconvenient for operation, the degree of automation is low, and working efficiency is slow, can not be quick after sampling Coal core in sampler is taken out, and effectively coal core can not be distinguished, complicated for operation, labor intensity is high and efficiency It is low.
Summary of the invention
To solve the above-mentioned problems, the present invention provides a kind of detachable coal bed gas coal core sampler, the present invention can be with Realize the function to subterranean coal fast sampling of automation, mobile simple and convenient, good positioning effect can be accurately to coal seam Be sampled, sampling is simple, easy to operate, high degree of automation, reduces labor intensity, and efficiency is fast, can quickly by Coal core in sampler is taken out, and the coal core that can be taken out to different location be marked, have easy to operate, labor intensity it is low with The advantages that work efficiency is high.
To achieve the goals above, the present invention use following technical scheme, a kind of detachable coal bed gas coal core sampler, Including bottom plate, two walking positioning devices and sampler, there are two walking positioning device, two rows for setting on the bottom plate It walks positioning device to be symmetrically mounted at left and right sides of bottom plate lower end, bottom plate upper end right side central is hatch frame, bottom plate upper end left side Sampler is installed, is located inside hatch frame on the right side of sampler;Walking positioning device can guarantee the stability of sampling With convenience, what sampler can automate is sampled coal seam, simple to operate, high degree of automation, sampling effect Rate is fast.
The sampler includes fixed frame, driving motor, driving wheel, driven wheel, belt, driving gear, driven tooth Wheel, mounting rack, screw rod and sampling mechanism, fixed frame are mounted on bottom plate upper end, and bottom plate upper end is equipped with driving electricity by motor cabinet Machine is equipped with driving wheel on the output shaft of driving motor, and fixed frame lower end is equipped with driven wheel by bearing, and driving wheel passes through skin Band is connect with driven wheel, and driven wheel upper end is fixedly connected with driving gear, and driving gear is located at fixed frame upper end, and driving gear is nibbled Conjunction has driven gear, and driven gear is mounted on mounting rack upper end by bearing, and mounting rack is located on the right side of fixed frame, in driven gear Portion is connected with screw rod by way of being threadedly engaged, and screw rod lower end is equipped with sampling mechanism;When work, driving motor passes through actively Wheel drives driven wheel rotation, and driven wheel drives screw rod to move up and down by driving gear, and screw rod is by sampling mechanism to underground Coal seam is sampled, simple to operate, high-efficient, can the coal seam accurately to underground be sampled.
The sampling mechanism includes fixing barrel, baffle, sample bucket, arc frame, mounting groove, arc panel, buckle, lifting branch Chain, feeding branch, bracket and drill bit, fixing barrel are mounted on screw rod lower end, and middle part is equipped with baffle, baffle middle part inside fixing barrel Open slot is set, is provided with sample bucket on baffle, arc frame is installed on sample bucket, arc frame is mounted on mounting groove, installation Slot is mounted on inside fixing barrel, and fixing barrel upper end is provided with hatch frame, and there are two arcs for setting on the hatch frame in fixing barrel Shape plate, two arc panels outsides are symmetrically mounted on fixing barrel front and rear sides by hinge, and it is solid to pass through buckle on the inside of two arc panels Fixed connection, fixing barrel inside are uniformly equipped with lifting branch, and lifting branch is located at below baffle, and lifting branch lower end is equipped with branch Frame, pedestal lower end are equipped with drill bit, and pedestal upper end is equipped with feeding branch, and feeding branch is located at fixing barrel lower inside;
As a preferred technical solution of the present invention, the walking positioning device includes fixed column, transverse slat, universal Wheel, through-hole, positioning cylinder and positioning column, there are two fixed columns, two fixed columns to be symmetrically mounted on bottom plate lower end for installation on bottom plate Front and rear sides are connected with transverse slat between two fixed column lower ends, through-hole are uniformly provided on transverse slat, transverse slat lower end is equipped with universal Wheel, transverse slat upper end are equipped with positioning cylinder, and there is positioning column on the top of positioning cylinder by flanged joint, and positioning column is located in through-hole And positioning column is connect by way of being slidably matched with through-hole;
As a preferred technical solution of the present invention, the lifting branch includes runner frame, sliding shoe, lifting cylinder And connecting rod, runner frame are mounted on fixing barrel interior lower end, are connected with sliding shoe inside sliding rack by way of being slidably matched, it is sliding Truss inner upper end is equipped with lifting cylinder, and the top of lifting cylinder is connect by flange with sliding shoe, the installation of sliding shoe lower end There is connecting rod;When work, lifting cylinder drives connecting rod to move up and down by sliding shoe, and connecting rod drives drill bit movement, can be accurately The distance between drill bit and fixing barrel are adjusted, guarantee the accuracy of sampling.
As a preferred technical solution of the present invention, the feeding branch includes feeding motor, drive shaft and feeding Spiral, feeding motor are mounted on internal stent upper end by motor cabinet, and the output shaft of feeding motor is connected with drive by shaft coupling Moving axis is provided with feeding screw on the outside of drive shaft, and feeding screw upper end is located at the open slot of baffle lower end, when work, feeding Coal is transported to inside sample bucket by motor by feeding screw, can be accurately sampled to coal seam, high-efficient.
As a preferred technical solution of the present invention, the clamping with mounting groove cooperation is provided on the arc frame Head improves work efficiency convenient for manually sample bucket is taken out and installed.
As a preferred technical solution of the present invention, the positioning column lower end is pyramidal structure, outside positioning column upper end Side is uniformly equipped with acclivitous fixed tooth, can guarantee the clamping effect of positioning column.
As a preferred technical solution of the present invention, the drill bit is installed at the lower end of the stand, outside drill bit by screw Side is evenly arranged with spiral cutter groove, and convenient for the installation and removal of drill bit, drilling effect is good, high-efficient.
The beneficial effects of the present invention are:
1. the present invention can solve existing sampler when sampling to subterranean coal, mobile inconvenient, locating effect is poor, no Accurately coal seam can be sampled, sampling is complicated, and inconvenient for operation, the degree of automation is low, and working efficiency is slow, and sampling finishes Afterwards, quickly the coal core in sampler can not be taken out, and effectively coal core can not be distinguished, complicated for operation, The function to subterranean coal fast sampling of automation, mobile simple side may be implemented in the problems such as labor intensity height and low efficiency Just, good positioning effect can accurately be sampled coal seam, and sampling is simple, easy to operate, high degree of automation, reduce people Work labor intensity, efficiency is fast, can quickly take out the coal core in sampler, can carry out to the coal core that different location takes out Label has many advantages, such as that easy to operate, labor intensity is low and work efficiency is high;
2. the present invention devises walking positioning device, walking positioning device can guarantee mobile convenience, locating effect It is good, it is sampled convenient for the coal seam to underground;
3. the present invention devises sampler, what sampler can automate is sampled subterranean coal, can be fast Speed takes out the coal core in sampler, and sampling effect is good, high-efficient.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is structural schematic diagram of the invention;
Fig. 2 is the structural schematic diagram between bottom plate and ambulation positioning device of the present invention;
Fig. 3 is the structural schematic diagram between bottom plate and sampler of the present invention;
Fig. 4 is the structural schematic diagram of sampling mechanism of the present invention.
Specific embodiment
In order to be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, tie below Conjunction is specifically illustrating, and the present invention is further explained.It should be noted that in the absence of conflict, embodiment in the application and Feature in embodiment can be combined with each other.
As shown in Figures 1 to 4, a kind of detachable coal bed gas coal core sampler, including 1, two walking positioning dress of bottom plate 2 and sampler 3 are set, there are two walking positioning devices 2, two walking positioning devices 2 to be symmetrically installed for setting on the bottom plate 1 At left and right sides of 1 lower end of bottom plate, 1 upper end right side central of bottom plate is hatch frame, is equipped with sampler 3 on the left of 1 upper end of bottom plate, It is located inside hatch frame on the right side of sampler 3;Walking positioning device 2 can guarantee the stability and convenience of sampling, sampling What device 3 can automate is sampled coal seam, simple to operate, high degree of automation, and sampling efficiency is fast.
The sampler 3 includes fixed frame 31, driving motor 32, driving wheel 33, driven wheel 34, belt 35, active Gear 36, driven gear 37, mounting rack 38, screw rod 39 and sampling mechanism 30.Fixed frame 31 is mounted on 1 upper end of bottom plate.
1 upper end of bottom plate is equipped with driving motor 32 by motor cabinet, is equipped with driving wheel on the output shaft of driving motor 32 33,31 lower end of fixed frame is equipped with driven wheel 34 by bearing, and driving wheel 33 is connect by belt 35 with driven wheel 34, driven wheel 34 upper ends are fixedly connected with driving gear 36, and driving gear 36 is located at 31 upper end of fixed frame, and driving gear 36 is engaged with driven tooth Wheel 37, driven gear 37 is mounted on 38 upper end of mounting rack by bearing.
Mounting rack 38 is located at 31 right side of fixed frame, and screw rod is connected with by way of being threadedly engaged inside driven gear 37 39,39 lower end of screw rod is equipped with sampling mechanism 30.
When work, driving motor 32 drives driven wheel 34 to rotate by driving wheel 33, and driven wheel 34 passes through driving gear 36 Screw rod 39 is driven to move up and down, screw rod 39 is sampled by coal seam of the sampling mechanism 30 to underground, simple to operate, efficiency Height, can the coal seam accurately to underground be sampled.
The sampling mechanism 30 include fixing barrel 301, baffle 302, sample bucket 303, arc frame 304, mounting groove 305, Arc panel 306, buckle 307, lifting branch 308, feeding branch 309, bracket 310 and drill bit 311.
Fixing barrel 301 is mounted on 39 lower end of screw rod, and 301 inside middle part of fixing barrel is equipped with baffle 302.
Open slot is set in the middle part of baffle 302, sample bucket 303 is provided on baffle 302, arc is installed on sample bucket 303 Frame 304, arc frame 304 are mounted on mounting groove 305.
Mounting groove 305 is mounted on inside fixing barrel 301.
301 upper end of fixing barrel is provided with hatch frame, and there are two arc panels for setting on the hatch frame in fixing barrel 301 306,301 front and rear sides of fixing barrel are symmetrically mounted on by hinge on the outside of two arc panels 306, are led on the inside of two arc panels 306 Buckle 307 is crossed to be fixedly connected.
301 inside of fixing barrel is uniformly equipped with lifting branch 308, and lifting branch 308 is located at 302 lower section of baffle, lifting branch 308 lower end of chain is equipped with bracket 310, and 310 lower end of bracket is equipped with drill bit 311, and 310 upper end of bracket is equipped with feeding branch 309, Feeding branch 309 is located at 301 lower inside of fixing barrel.
When work, drill bit 311 drives fixing barrel 301 to drop to suitable position, lifting branch 308 drive drill bit 311 with Fixing barrel 301 separates, and the coal seam of underground is transported to inside sample bucket 303 by feeding branch 309, later, by artificial mode Sample bucket 303 is taken out inside fixing barrel 301, easy to operate, high degree of automation, sampling efficiency is fast, and accuracy is high.
Walking positioning device 2 includes fixed column 21, transverse slat 22, universal wheel 23, through-hole 24, positioning cylinder 25 and positioning column 26, there are two fixed columns 21 for installation on bottom plate 1.
Two fixed columns 21 are symmetrically mounted on 1 lower end front and rear sides of bottom plate.Cross is connected between two 21 lower ends of fixed column Plate 22.
Through-hole 24 is uniformly provided on transverse slat 22,22 lower end of transverse slat is equipped with universal wheel 23, and 22 upper end of transverse slat is equipped with fixed Position cylinder 25.
There is positioning column 26 on the top of positioning cylinder 25 by flanged joint, and positioning column 26 is located in through-hole 24 and positioning column 26 It is connect by way of being slidably matched with through-hole 24.
When work, universal wheel 23 drives walking positioning device 2 to be moved to suitable position, and positioning cylinder 25 drives positioning column 26 It moves downward, positioning column 26 is inserted into ground, guarantees the stability of equipment, is conducive to sampling.
The lifting branch 308 includes runner frame 3081, sliding shoe 3082, lifting cylinder 3083 and connecting rod 3084, is slided Truss 3081 is mounted on 301 interior lower end of fixing barrel.
Sliding shoe 3082 is connected with inside sliding rack by way of being slidably matched, 3081 inner upper end of runner frame is equipped with The top of lifting cylinder 3083, lifting cylinder 3083 is connect by flange with sliding shoe 3082, and 3082 lower end of sliding shoe is equipped with Connecting rod 3084.When work, lifting cylinder 3083 drives connecting rod 3084 to move up and down by sliding shoe 3082, and connecting rod 3084, which drives, to be bored First 311 movement, can accurately be adjusted the distance between drill bit 311 and fixing barrel 301, guarantee the accuracy of sampling.
The feeding branch 309 includes feeding motor 3091, drive shaft 3092 and feeding screw 3093, feeding motor 3091 are mounted on 310 inner upper end of bracket by motor cabinet, and the output shaft of feeding motor 3091 is connected with driving by shaft coupling Axis 3092.
Feeding screw 3093 is provided on the outside of drive shaft 3092,3093 upper end of feeding screw is located at opening for 302 lower end of baffle At mouthful slot, when work, coal is transported to inside sample bucket 303 by feeding motor 3091 by feeding screw 3093, can be accurate Coal seam is sampled, it is high-efficient.
The clamping head 312 cooperated with mounting groove 305 is provided on the arc frame 304, convenient for manually by sample bucket 303 It takes out and installs, improve work efficiency.
26 lower end of positioning column is pyramidal structure, is uniformly equipped with acclivitous fixation on the outside of 26 upper end of positioning column Tooth 27 can guarantee the clamping effect of positioning column 26.
The drill bit 311 is mounted on 310 lower end of bracket by screw, is evenly arranged with spiral cutter groove on the outside of drill bit 311, Convenient for the installation and removal of drill bit 311, drilling effect is good, high-efficient.
When work, step 1: walking positioning device 2 is started to work, universal wheel 23 drives walking positioning device 2 to be moved to conjunction Right position is set, and positioning cylinder 25 drives positioning column 26 to move downward, and positioning column 26 is inserted into ground;Step 2: sampler 3 starts Work, driving motor 32 drive sampling mechanism 30 to move downward by screw rod 39, and drill bit 311 drives fixing barrel 301 to drop to conjunction Suitable position goes up and down the lifting cylinder 3083 inside branch 308 and drives drill bit 311 to divide with fixing barrel 301 by sliding shoe 3082 From the coal seam of underground is transported in sample bucket 303 by the feeding motor 3091 in feeding branch 309 by feeding screw 3093 Portion;Step 3: driving motor 32 drives sampling mechanism 30 to rise by screw rod 39, it will be in fixing barrel 301 by artificial mode Sample bucket 303 of the portion with coal core takes out, and marks;Step 4: new sample bucket 303 is installed inside fixing barrel 301, Step 1 is repeated to three, the function to subterranean coal fast sampling of automation is realized, solves existing sampler over the ground When lower coal seam samples, mobile inconvenient, locating effect is poor, can not accurately be sampled to coal seam, and sampling is complicated, and operation is not Convenient, the degree of automation is low, and working efficiency is slow, after sampling, can not quickly take out the coal core in sampler, and Effectively coal core can not be distinguished, the high problems such as with low efficiency of complicated for operation, labor intensity have reached purpose.
The basic principles, main features and advantages of the invention have been shown and described above.The technical staff of the industry should Understand, the present invention is not limited to the above embodiments, and only illustrating for the description in above embodiments and description is of the invention Principle, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these change and change Into all fall within the protetion scope of the claimed invention.The claimed scope of the invention is by appended claims and its equivalent It defines.

Claims (7)

1. a kind of detachable coal bed gas coal core sampler, including bottom plate (1), two walking positioning devices (2) and sampler (3), it is characterised in that: there are two walking positioning device (2), two walking positioning devices (2) are right for setting on the bottom plate (1) Title is mounted at left and right sides of bottom plate (1) lower end, and bottom plate (1) upper end right side central is hatch frame, installation on the left of bottom plate (1) upper end Have sampler (3), is located inside hatch frame on the right side of sampler (3);Wherein:
The sampler (3) includes fixed frame (31), driving motor (32), driving wheel (33), driven wheel (34), belt (35), driving gear (36), driven gear (37), mounting rack (38), screw rod (39) and sampling mechanism (30), bottom plate (1) upper end Driving motor (32) are installed by motor cabinet:
Fixed frame (31) is mounted on bottom plate (1) upper end;
Driving wheel (33) are installed on the output shaft of driving motor (32);
Fixed frame (31) lower end is equipped with driven wheel (34) by bearing, and driving wheel (33) passes through belt (35) and driven wheel (34) it connecting, driven wheel (34) upper end is fixedly connected with driving gear (36), and driving gear (36) is located at fixed frame (31) upper end, Driving gear (36) is engaged with driven gear (37), and driven gear (37) is mounted on mounting rack (38) upper end by bearing;
Mounting rack (38) is located on the right side of fixed frame (31), and spiral shell is connected with by way of being threadedly engaged inside driven gear (37) Bar (39), screw rod (39) lower end are equipped with sampling mechanism (30);
The sampling mechanism (30) includes fixing barrel (301), baffle (302), sample bucket (303), arc frame (304), installation Slot (305), arc panel (306), buckle (307), lifting branch (308), feeding branch (309), bracket (310) and drill bit (311), fixing barrel (301) is mounted on screw rod (39) lower end;
The internal middle part of fixing barrel (301) is equipped with baffle (302), and open slot is arranged in the middle part of baffle (302);
It is provided with sample bucket (303), is equipped on sample bucket (303) arc frame (304) on baffle (302), arc frame (304) It is mounted on mounting groove (305), it is internal that mounting groove (305) is mounted on fixing barrel (301);
Fixing barrel (301) upper end is provided with hatch frame, and there are two arc panels for setting on the hatch frame in fixing barrel (301) (306), fixing barrel (301) front and rear sides, two arc panels are symmetrically mounted on by hinge on the outside of two arc panels (306) (306) inside is fixedly connected by buckling (307);
Lifting branch (308) is uniformly arranged on fixing barrel (301) inside, and lifting branch (308) is located at below baffle (302), rises Descending branch chain (308) lower end is equipped with bracket (310), and bracket (310) lower end is equipped with drill bit (311), the installation of bracket (310) upper end Have feeding branch (309), feeding branch (309) is located at fixing barrel (301) lower inside.
2. detachable coal bed gas coal core sampler according to claim 1, it is characterised in that: the walking positions dress Setting (2) includes fixed column (21), transverse slat (22), universal wheel (23), through-hole (24), positioning cylinder (25) and positioning column (26):
There are two fixed column (21), two fixed columns (21) are symmetrically mounted on two before and after bottom plate (1) lower end for installation on bottom plate (1) Side is connected with transverse slat (22) between two fixed column (21) lower ends;
It is uniformly provided on transverse slat (22) through-hole (24), transverse slat (22) lower end is equipped with universal wheel (23), transverse slat (22) upper end peace Equipped with positioning cylinder (25);
The top of positioning cylinder (25) has positioning column (26) by flanged joint, and positioning column (26) is located in through-hole (24) and fixed Position column (26) is connect by way of being slidably matched with through-hole (24).
3. detachable coal bed gas coal core sampler according to claim 1, it is characterised in that: the lifting branch (308) include runner frame (3081), sliding shoe (3082), lifting cylinder (3083) and connecting rod (3084):
Runner frame (3081) is mounted on fixing barrel (301) interior lower end, is connected with by way of being slidably matched inside sliding rack Sliding shoe (3082), runner frame (3081) inner upper end are equipped with lifting cylinder (3083);
The top of lifting cylinder (3083) is connect by flange with sliding shoe (3082), and sliding shoe (3082) lower end is equipped with company Bar (3084).
4. detachable coal bed gas coal core sampler according to claim 1, it is characterised in that: the feeding branch (309) include feeding motor (3091), drive shaft (3092) and feeding screw (3093):
Feeding motor (3091) is mounted on bracket (310) inner upper end by motor cabinet, and the output shaft of feeding motor (3091) is logical It crosses shaft coupling and is connected with drive shaft (3092)
It is provided with feeding screw (3093) on the outside of drive shaft (3092), feeding screw (3093) upper end is located at baffle (302) lower end Open slot at.
5. detachable coal bed gas coal core sampler according to claim 1, it is characterised in that: the arc frame (304) clamping head (312) with mounting groove (305) cooperation is provided on.
6. detachable coal bed gas coal core sampler according to claim 2, it is characterised in that: the positioning column (26) Lower end is pyramidal structure, is uniformly equipped with acclivitous fixed tooth (27) on the outside of positioning column (26) upper end.
7. detachable coal bed gas coal core sampler according to claim 1, it is characterised in that: the drill bit (311) It is mounted on bracket (310) lower end by screw, is evenly arranged with spiral cutter groove on the outside of drill bit (311).
CN201811324457.2A 2018-11-08 2018-11-08 A kind of detachable coal bed gas coal core sampler Withdrawn CN109187077A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811324457.2A CN109187077A (en) 2018-11-08 2018-11-08 A kind of detachable coal bed gas coal core sampler

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811324457.2A CN109187077A (en) 2018-11-08 2018-11-08 A kind of detachable coal bed gas coal core sampler

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109596387A (en) * 2019-01-29 2019-04-09 宋文伟 Portable sampling device is used in a kind of detection of coal mine
CN110376015A (en) * 2019-08-09 2019-10-25 山东腾翔产品质量检测有限公司 A kind of coal detection high-accuracy sampling device
CN110470505A (en) * 2019-08-26 2019-11-19 贵州大学 A kind of portable gas explosion acquisition device of easy disassembly
CN113266270A (en) * 2021-06-23 2021-08-17 贵州盘江煤层气开发利用有限责任公司 Coal bed gas well drilling tool system of sampling while drilling
CN113295452A (en) * 2021-04-22 2021-08-24 贵州盘江煤层气开发利用有限责任公司 Multifunctional drilling machine for coal sample core sampling suitable for multi-coal-bed conditions

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109596387A (en) * 2019-01-29 2019-04-09 宋文伟 Portable sampling device is used in a kind of detection of coal mine
CN109596387B (en) * 2019-01-29 2024-05-24 山东九商定向钻探有限公司 Portable sampling device for coal mine detection
CN110376015A (en) * 2019-08-09 2019-10-25 山东腾翔产品质量检测有限公司 A kind of coal detection high-accuracy sampling device
CN110376015B (en) * 2019-08-09 2022-09-09 山东腾翔产品质量检测有限公司 High-precision sampler for coal detection
CN110470505A (en) * 2019-08-26 2019-11-19 贵州大学 A kind of portable gas explosion acquisition device of easy disassembly
CN113295452A (en) * 2021-04-22 2021-08-24 贵州盘江煤层气开发利用有限责任公司 Multifunctional drilling machine for coal sample core sampling suitable for multi-coal-bed conditions
CN113295452B (en) * 2021-04-22 2022-12-06 贵州盘江煤层气开发利用有限责任公司 Multifunctional drilling machine for coal sample core sampling suitable for multi-coal-bed conditions
CN113266270A (en) * 2021-06-23 2021-08-17 贵州盘江煤层气开发利用有限责任公司 Coal bed gas well drilling tool system of sampling while drilling

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