CN202119644U - Sampling drill used for raw coal sampling machine - Google Patents
Sampling drill used for raw coal sampling machine Download PDFInfo
- Publication number
- CN202119644U CN202119644U CN2011202301607U CN201120230160U CN202119644U CN 202119644 U CN202119644 U CN 202119644U CN 2011202301607 U CN2011202301607 U CN 2011202301607U CN 201120230160 U CN201120230160 U CN 201120230160U CN 202119644 U CN202119644 U CN 202119644U
- Authority
- CN
- China
- Prior art keywords
- side tooth
- core cutter
- sampling
- toothholder
- drilling rod
- 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 - Lifetime
Links
- 239000003245 coal Substances 0.000 title claims abstract description 51
- 238000005070 sampling Methods 0.000 title claims abstract description 38
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 10
- 239000010959 steel Substances 0.000 claims abstract description 10
- 230000008878 coupling Effects 0.000 claims description 22
- 238000010168 coupling process Methods 0.000 claims description 22
- 238000005859 coupling reaction Methods 0.000 claims description 22
- 238000005553 drilling Methods 0.000 claims description 21
- 230000000977 initiatory effect Effects 0.000 claims description 4
- UONOETXJSWQNOL-UHFFFAOYSA-N tungsten carbide Chemical compound [W+]#[C-] UONOETXJSWQNOL-UHFFFAOYSA-N 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 abstract 2
- 239000012535 impurity Substances 0.000 description 8
- 239000003818 cinder Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 238000013467 fragmentation Methods 0.000 description 3
- 238000006062 fragmentation reaction Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- NIFIFKQPDTWWGU-UHFFFAOYSA-N pyrite Chemical compound [Fe+2].[S-][S-] NIFIFKQPDTWWGU-UHFFFAOYSA-N 0.000 description 3
- 229910052683 pyrite Inorganic materials 0.000 description 3
- 239000011028 pyrite Substances 0.000 description 3
- 230000002730 additional effect Effects 0.000 description 2
- 230000008014 freezing Effects 0.000 description 2
- 238000007710 freezing Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 208000037656 Respiratory Sounds Diseases 0.000 description 1
- 241001074085 Scophthalmus aquosus Species 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004992 fission Effects 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Landscapes
- Sampling And Sample Adjustment (AREA)
Abstract
The utility model provides a sampling drill used for a raw coal sampling machine. The sampling machine comprises a steel barrel and a drill rod coaxially arranged in the steel barrel. Spiral blades are arranged on the peripheral wall of the drill rod. The sampling drill comprises a connecting sleeve, breaking heads with cutting blades, two side tooth bases and two side teeth, wherein the drill rod is fixedly connected with one end of the connecting sleeve, and the breaking heads are fixedly connected with the other end of the connecting sleeve; the two side tooth bases are fixed on the outer periphery of the connecting sleeve near the breaking heads, and the two side tooth bases are respectively arranged at the two opposite sides in the radial direction of the outer peripheral of the connecting sleeve; both the two side teeth are provided with the cutting blades and are respectively fixedly connected with the two side tooth bases; and when the sampling drill is vertically put downward, one of the two side teeth is higher than the other one of the two side teeth, and the upper end of the higher side tooth base is in contact with the beginning ends of the spiral blades. With the sampling drill, the idle sampling phenomenon is avoided through the matching of the breaking heads and the two side teeth; in addition, the sampling efficiency is higher, and the sampling drill is convenient to install and maintain.
Description
Technical field
The utility model relates to a kind of core cutter that is used for the raw coal Sampling Machine.
Background technology
Current; When raw coal was carried out mechanical sampling, when bulk such as Sampling Machine runs into large coal, gangue, freeze coal seam, lump pyrite or wooden unit or lump impurity, sampling head often squeezed these bulks or lump impurity and opens; Make these impurity depart from the sample direction of sampling head; Core cutter can not be broken with these bulks or lump impurity brill effectively thus,, the situation of " sky is adopted " occur that is.Under sky is adopted situation, Sampling Machine can not collect the sample of these bulks or lump impurity effectively, and will be representative thereby the coal sample that Sampling Machine is gathered lacks, and can't satisfy the requirement of relevant standard for manual sampling.
For this reason, even also still can fully bore broken and fully sampled in the coal seam when being badly in need of a kind of core cutter in this area and guaranteeing that drill bit runs into bulk or lump impurity to it.
The utility model content
The utility model provides a kind of core cutter that is used for the raw coal Sampling Machine, and hope can be carried out fragmentation to large coal, gangue, the impurity such as coal seam, lump pyrite or wooden unit that freeze, and grab sample then can not be blocked, and also avoids sky to adopt.
Particularly; The utility model provides a kind of core cutter that is used for the raw coal Sampling Machine, and said Sampling Machine comprises steel cylinder and drilling rod, and drilling rod is coaxial to be installed in the steel cylinder; Spiral is equipped with helical blade on the periphery wall of drilling rod; Core cutter comprises coupling sleeve, has the crushing head of cutting edge, the first side toothholder, the first side tooth, the second side toothholder, the second side tooth, and wherein: coupling sleeve at one end is fixedly attached to drilling rod, is fixedly attached to crushing head at the other end; On the excircle of coupling sleeve, fix the first side toothholder and the second side toothholder, the two opposite sides that the footpath of the excircle of the first side toothholder and the second side toothholder office coupling sleeve makes progress in contiguous crushing head part; The first side cingulum has cutting edge and is fixedly attached to the first side toothholder, and the second side cingulum has cutting edge and is fixedly attached to the second side toothholder; In the situation that core cutter is placed straight down, the first side tooth depth is in the second side tooth, and the upper end of the first side toothholder contacts with the initiating terminal of helical blade.
Preferably, the first side tooth and the second side tooth with the chamfering of cutting edge setting be 55 °～65 °.
Preferably, angle of elevation alpha is set is 105 °～115 ° for the first side tooth and the second side tooth.
Preferably, the first side tooth and the second side tooth with cutting edge on inlay carbide blade be set.
Preferably, the chamfering radius R=20 millimeter of crushing head front end.
Preferably, it is characterized in that, crushing head with cutting edge attend tungsten carbide button's blade.
Preferably, a connection seat is set on coupling sleeve, adapter sleeve is fixedly attached to drilling rod through this connection seat.
Preferably, coupling sleeve is fixedly attached to drilling rod via the bolt hole on it through the bolt connection.
Adopt the core cutter of the utility model; Crushing head to gathering coal, gangue, freeze lump such as coal and play main cutting and fragmentation; And the side tooth is used for addi-tional crusher, fixedly the coal cinder after coal cinder and the guide cuts gets into the steel cylinder of Sampling Machine; Therefore avoided sky to adopt phenomenon through the cooperation of crushing head and two side teeth, and sampling efficiency is higher, is convenient to installation and maintenance.
Description of drawings
Fig. 1 illustrates the stereographic map according to the core cutter that is used for the raw coal Sampling Machine of the utility model;
Fig. 2 illustrates the schematic perspective view according to the core cutter that is used for the raw coal Sampling Machine of the utility model from another angle;
Fig. 3 illustrates the scheme of installation of core cutter in the raw coal Sampling Machine according to the utility model.
Embodiment
Hereinafter, identical Reference numeral refers to components identical.
Fig. 1 illustrates the stereographic map according to the core cutter that is used for the raw coal Sampling Machine 100 of the utility model.As shown in Figure 1, core cutter 100 comprises coupling sleeve 1, crushing head 6, the first side toothholder 3a, the first side tooth 5a, the second side toothholder 3b, the second side tooth 5b.
On the excircle of coupling sleeve 1, be fixed with the first side toothholder 3a and the second side toothholder 3b, the two opposite sides that the footpath of the excircle of the first side toothholder 3a and the second side toothholder 3b office coupling sleeve 1 makes progress in contiguous crushing head 6 parts.
The first side tooth 5a is fixedly attached to the first side toothholder 3a through the first high-strength bolt 4a, and the second side tooth 5b is fixedly attached to the second side toothholder 3b through the second high-strength bolt 4b.
It should be noted that; Realize various fixed connections although all be hereinbefore with high-strength bolt; But it will be understood by those skilled in the art that; Can otherwise be fixedly connected, for example welding or the like is as long as can guarantee that the mutual alignment keeps fixing between the parts that core cutter 100 forms a fixed connection in the course of the work.
In addition, although especially it should be noted that the two opposite sides that the footpath of the excircle of the first side toothholder 3a and the second side toothholder 3b office coupling sleeve 1 makes progress, the first side tooth 5a and the second side tooth 5b fully are provided with in these both sides with being mutually symmetrical.Under the situation that core cutter 100 is placed straight down, the first side tooth 5a is higher than the second side tooth 5b.
According to the size of actual samples coal cinder dynamics and subsequently with the lead angle size of the helical blade of the drilling rod of mentioning; The first side tooth 5a and the second side tooth 5b with cutting edge the chamfering of special angle value can be set, and the first side tooth 5a and the second side tooth 5b itself can be provided with the elevation angle of special angle value.Preferably, the angle of elevation alpha of side tooth is set to 105 °～115 °, thereby helps gathering coal, gangue and freeze coal carrying out addi-tional crusher, helps the coal grain is flowed to the helical blade of drilling rod.Also preferably, cutting edge chamfering θ is set to 55 °～65 °, plays good cutting and fragmentation thereby can and freeze coal to gathering coal, gangue.
Advance in the process of sampling at core cutter 100; Because core cutter 100 often meets with lump such as gathering coals or gangue, therefore be difficult in order to ensure side tooth cutting edge impaired, preferably; Can more easily implement to bore broken taking for making core cutter 100 to lump such as gathering coal, gangues; While can drill again freezes the coal seam sampling, can on side tooth cutting edge, inlay carbide blade 7 is set, thereby improve the crushing effect and the wearing quality of side tooth.
In order to sample conveniently, the chamfering radius R of crushing head 6 front ends can be provided with a certain size value.Preferably; Chamfering radius R=20 millimeter also can be attend tungsten carbide button's blade at the cutting edge of crushing head 6 simultaneously, thereby can help drill bit to get into the coal seam deep layer very soon; What increased crushing head goes into the coal degree of depth, thereby makes drill bit can reach good cutting effect.
Fig. 2 illustrates the schematic perspective view according to the core cutter that is used for the raw coal Sampling Machine 100 of the utility model from another angle.Clear coupling sleeve 1, the first side toothholder 3a, the second side toothholder 3b, the crushing head 6 position relation each other that demonstrates among Fig. 2.
Fig. 3 illustrates the scheme of installation of core cutter in the raw coal Sampling Machine according to the utility model.As shown in Figure 3, be coaxially installed with drilling rod 12 in the steel cylinder 9, spiral is equipped with helical blade 13 on the periphery wall of drilling rod 12.Shown in preceding text, coupling sleeve 1 can adopt high-strength bolt 10 to be fixedly attached to drilling rod 12 via the bolt hole 2 of self.Preferably, in order better coupling sleeve 1 to be fixedly attached to drilling rod 12, a connection seat 11 can be set on coupling sleeve 1 again.The upper end of the first side toothholder 3a contacts with the initiating terminal of helical blade 13, thereby can the coal cinder of being gathered be imported in the steel cylinder 9 fast.
Actual samples process according to the core cutter 100 of the utility model hereinafter will be described.
When Sampling Machine is sampled; As run into when freezing coal (or lump such as gathering coal, gangue); Crushing head 6 under the turning effort of sampling arm pressure and drilling rod 12, the cutting edge on the crushing head 6 with freeze the surface of contact that coal contacts on apply axial static pressure, also apply rotary cutting power simultaneously in this.Owing to receive the effect of these two kinds of power simultaneously, freeze the stress that coal bears and sharply increase, will substantially exceed the failing stress that it can bear.Thus, freeze coal and will produce fine cracks.Along with the further passing of time, fine cracks will fast-neutron fission be big crackle.Therefore, freezing coal will be broken, sample.
Along with the propelling of crushing head 6 on axial direction, be in low level the second side tooth 5b will prior to be in the first high-order side tooth 5a touch be broken 6 broken broken coal seam.Therefore, the second side tooth 5b will tentatively cut broken coal seam.
Along with the further propelling of crushing head 6 on axial direction, be in the first high-order side tooth 5a and also will touch broken coal seam, to gathering coal, gangue, freeze lump such as coal and cut.Simultaneously, as previously mentioned, the upper end of the first side toothholder 3a contacts with the initiating terminal of helical blade 13, and therefore, the coal cinder after first side tooth 5a cutting is transported on the rotating vane 13 corresponding, imports in the steel cylinder 9 fast via rotating vane 13 again.
Operate with said process, core cutter 100 just can collect needed sample fast.
Can find out from preceding text, one high and one low according to the core cutter of the utility model owing to having adopted two side teeth and its to be set to, effectively mining coal seam is fixed, thereby avoided empty generation of adopting phenomenon.Simultaneously, can find out that this core cutter is convenient to dismounting, maintenance, installs and changes parts from said structure.
In sum, according to the core cutter of the utility model be suitable for boring broken gathering coal, gangue, the hard impurities such as coal seam, lump pyrite or wooden unit that freeze, therefore have wide market application prospect and economic worth.
Those skilled in the art will also be appreciated that the protection domain of the utility model is not limited in the foregoing description, and all equivalents to the utility model all drop in the scope of the utility model.
Claims (8)
1. core cutter (100) that is used for the raw coal Sampling Machine, said Sampling Machine comprises steel cylinder (9) and drilling rod (12), and drilling rod (12) is coaxial to be installed in the steel cylinder (9), and spiral is equipped with helical blade (13) on the periphery wall of drilling rod (12), it is characterized in that:
Said core cutter (100) comprises coupling sleeve (1), has the crushing head (6) of cutting edge, the first side toothholder (3a), the first side tooth (5a), the second side toothholder (3b), the second side tooth (5b), wherein:
Coupling sleeve (1) at one end is fixedly attached to drilling rod (12), is fixedly attached to crushing head (6) at the other end;
On the excircle of coupling sleeve (1), fix the first side toothholder (3a) and the second side toothholder (3b), the two opposite sides that the footpath of the excircle of the first side toothholder (3a) and second side toothholder (3b) the office coupling sleeve (1) makes progress in contiguous crushing head (6) part;
The first side tooth (5a) has cutting edge and is fixedly attached to the first side toothholder (3a), and the second side tooth (5b) has cutting edge and is fixedly attached to the second side toothholder (3b); And
In the situation that core cutter (100) is placed straight down, the first side tooth (5a) is higher than the second side tooth (5b), and the upper end of the first side toothholder (3a) contacts with the initiating terminal of helical blade (13).
2. core cutter according to claim 1 (100) is characterized in that, the first side tooth (5a) and the second side tooth (5b) with the chamfering (θ) that is provided with of cutting edge be 55 °～65 °.
3. core cutter according to claim 1 (100) is characterized in that, it is 105 °～115 ° that the first side tooth (5a) and the second side tooth (5b) are provided with the elevation angle (α).
4. core cutter according to claim 1 (100) is characterized in that, the first side tooth (5a) and the second side tooth (5b) with cutting edge on inlay carbide blade (7) be set.
5. core cutter according to claim 1 (100) is characterized in that, the chamfering radius (R)=20 of crushing head (6) front end millimeter.
6. core cutter according to claim 1 (100) is characterized in that, crushing head (6) with cutting edge attend tungsten carbide button's blade.
7. core cutter according to claim 1 (100) is characterized in that, a connection seat (11) is set on coupling sleeve (1), and adapter sleeve (1) is fixedly attached to drilling rod (12) through this connection seat (11).
8. core cutter according to claim 1 (100) is characterized in that, coupling sleeve (1) is fixedly attached to drilling rod (12) via the bolt hole on it (2) through the bolt connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202301607U CN202119644U (en) | 2011-06-30 | 2011-06-30 | Sampling drill used for raw coal sampling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202301607U CN202119644U (en) | 2011-06-30 | 2011-06-30 | Sampling drill used for raw coal sampling machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202119644U true CN202119644U (en) | 2012-01-18 |
Family
ID=45460699
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202301607U Expired - Lifetime CN202119644U (en) | 2011-06-30 | 2011-06-30 | Sampling drill used for raw coal sampling machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202119644U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102733757A (en) * | 2012-06-07 | 2012-10-17 | 江苏中机矿山设备有限公司 | Drill bit of drilling type coal mining machine |
| CN103308343A (en) * | 2013-05-08 | 2013-09-18 | 中国平煤神马能源化工集团有限责任公司技术中心 | Multifunctional cooling sampling pipe |
| CN104764625A (en) * | 2015-04-14 | 2015-07-08 | 河南理工大学 | Low-temperature coal seam sampling device and method |
-
2011
- 2011-06-30 CN CN2011202301607U patent/CN202119644U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102733757A (en) * | 2012-06-07 | 2012-10-17 | 江苏中机矿山设备有限公司 | Drill bit of drilling type coal mining machine |
| CN102733757B (en) * | 2012-06-07 | 2014-07-09 | 江苏中机矿山设备有限公司 | Drill bit of drilling type coal mining machine |
| CN103308343A (en) * | 2013-05-08 | 2013-09-18 | 中国平煤神马能源化工集团有限责任公司技术中心 | Multifunctional cooling sampling pipe |
| CN103308343B (en) * | 2013-05-08 | 2016-06-22 | 中国平煤神马能源化工集团有限责任公司 | Multi-functional cooling sampling tube |
| CN104764625A (en) * | 2015-04-14 | 2015-07-08 | 河南理工大学 | Low-temperature coal seam sampling device and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120118 |
|
| CX01 | Expiry of patent term |