CN107132096A - A kind of rotary reduction device for coal sample preparation - Google Patents
A kind of rotary reduction device for coal sample preparation Download PDFInfo
- Publication number
- CN107132096A CN107132096A CN201710476912.XA CN201710476912A CN107132096A CN 107132096 A CN107132096 A CN 107132096A CN 201710476912 A CN201710476912 A CN 201710476912A CN 107132096 A CN107132096 A CN 107132096A
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- China
- Prior art keywords
- reduction device
- coal sample
- rotary
- discharging opening
- sample preparation
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
Abstract
The invention discloses the rotary reduction device for coal sample preparation, including reduction device body, the reduction device body is internally provided with rotary shaft, coal sample guider is fixed with the rotary shaft, the coal sample guider includes charging aperture, discharging opening and the directed cavity between the charging aperture and the discharging opening, belt conveyor is provided with the inside of the directed cavity, one end of the belt conveyor is located at the lower section of the charging aperture, the other end of the belt conveyor is located at the top of the discharging opening, and the discharging opening towards the reduction device body inwall and can be corresponding with the sample leaving opening on the inwall.Above-mentioned rotary reduction device, due to being provided with belt conveyor in the lower cavity wall of the inner side of the directed cavity of coal sample guider, the transmission speed of the belt conveyor set in lower cavity wall by adjusting the inner side of directed cavity, and then realize the export speed of material is adjusted.
Description
Technical field
The present invention relates to coal sample making technology field, more particularly to a kind of rotary reduction device for coal sample preparation.
Background technology
In general, coal is, it is necessary to carry out coal sample division in sample making course, and coal sample division refers to a part of coal sample to stay
Get off, remainder discards to reduce the process of coal sample quantity.
Existing coal sample preparation division process, carries out division using revolving slide reduction device as depicted in figs. 1 and 2 mostly
Keep sample, mainly include being provided with the rotary shaft 2 being connected with drive mechanism, the rotation on reduction device body 1, the reduction device body 1
The revolving slide 3 with regulation angle of inclination is fixed with axle 2, the revolving slide 3 includes charging aperture and discharging opening, the discharging opening
Towards the madial wall of reduction device body 1, be provided with the madial wall of reduction device body 1 can be corresponding with discharging opening sample leaving opening
4, coal sample is entered in revolving slide 3 by charging aperture, and in the presence of gravity and centrifugal force, the coal sample in revolving slide 3 is with one
Fixed speed throws to the madial wall of reduction device body, and staying of being connected with sample leaving opening is then collected into when coal sample throws sample leaving opening 4
In sample case, remaining coal sample is all taken as rejected material on the inwall for throwing reduction device body from the sample mouthful 5 of abandoning on reduction device body 1
Discharge.
Above-mentioned rotary reduction device is primarily present following defect：First, rotary speed, elephant trunk length due to revolving slide
It is certain with angle, so the speed that material is dished out is definite value；Second, when material enter revolving slide after, no matter how much, material is all
It can be dished out in Time constant, it is impossible to uniform blanking；3rd, when reduction device body needs to increase, due to inclining for revolving slide
The limitation at angle, revolving slide must be increased during sample delivery distance increase.
In summary, how to solve rotary reduction device can not adjust material dish out speed the problem of, it has also become this area
Technical staff's technical barrier urgently to be resolved hurrily.
The content of the invention
It is an object of the invention to provide a kind of rotary reduction device for coal sample preparation, to realize rotary reduction device
Material dish out speed can adjust.
To achieve these goals, the invention provides a kind of rotary reduction device for coal sample preparation, including division
Device body, being internally provided with rotary shaft, the rotary shaft for the reduction device body is fixed with coal sample guider, the coal
Sample guider includes charging aperture, discharging opening and the directed cavity between the charging aperture and the discharging opening, the guiding
Belt conveyor is provided with the inside of chamber, one end of the belt conveyor is located at the lower section of the charging aperture, the skin
The other end with conveying mechanism be located at the discharging opening top, and the discharging opening towards the reduction device body inwall and
Can be corresponding with the sample leaving opening on the inwall.
Preferably, the directed cavity is cut close to the export that the side of the discharging opening is provided with for adjusting the directed cavity
The current-limiting apparatus in face.
Preferably, the belt conveyor includes conveyer belt and the transmission mechanism for driving the conveyer belt.
Preferably, the transmission mechanism and the drive mechanism of the rotary shaft are connected.
Preferably, the speed regulator of the transporting velocity for adjusting the conveyer belt is additionally provided with the transmission mechanism.
Preferably, the transmission mechanism is gear drive.
Preferably, the charging aperture is infundibulate.
Preferably, the directed cavity is perpendicular to the rotary shaft.
Content, the above-mentioned rotary reduction device for coal sample preparation, including reduction device body are introduced compared to background technology,
Being internally provided with rotary shaft, rotary shaft for reduction device body is fixed with coal sample guider, and coal sample guider includes charging
It is defeated that belt is provided with mouth, discharging opening and the directed cavity between charging aperture and discharging opening, the lower cavity wall of the inner side of directed cavity
Send mechanism, discharging opening towards reduction device body inwall and can be corresponding with the sample leaving opening on inwall.Above-mentioned rotary reduction device,
When running, due to coal sample guider fix on the rotary shaft, therefore can with rotary shaft rotation, when coal sample guider
When discharging opening rotates the sample leaving opening set to the inwall of reduction device body, partial material can enter sample leaving opening；Simultaneously because coal
Belt conveyor is provided with the lower cavity wall of the inner side of the directed cavity of sample guider, under the inner side by adjusting directed cavity
The transmission speed of the belt conveyor set in cavity wall, and then realize the export speed of material is adjusted.
Brief description of the drawings
Fig. 1 is the overall structure diagram of traditional rotary reduction device；
Fig. 2 is the cross section structure diagram of traditional rotary reduction device；
Fig. 3 is the overall structure diagram of the rotary reduction device provided in an embodiment of the present invention for coal sample preparation；
Fig. 4 regards structural representation for the section view of the rotary reduction device provided in an embodiment of the present invention for coal sample preparation.
In figure 1 above -4,
Reduction device body 1, rotary shaft 2, revolving slide 3, sample leaving opening 4, abandon sample mouthfuls 5, coal sample guider 6, charging aperture 7,
Discharging opening 8, belt conveyor 9, current-limiting apparatus 10.
Embodiment
The core of the present invention is to provide a kind of rotary reduction device for coal sample preparation, to realize rotary reduction device
Material dish out speed can adjust.
In order that those skilled in the art more fully understands the technical scheme that provides of the present invention, below in conjunction with accompanying drawing and
The present invention is described in further detail for specific embodiment.
As shown in Figure 3 and Figure 4, the rotary reduction device provided in an embodiment of the present invention for coal sample preparation, including division
Device body 1, being internally provided with rotary shaft 2, rotary shaft 2 for reduction device body 1 is fixed with coal sample guider 6, and coal sample is oriented to
Device 6 includes being provided with the inside of charging aperture 7, discharging opening 8 and the directed cavity between charging aperture 7 and discharging opening 8, directed cavity
Belt conveyor 9, one end of belt conveyor 9 is located at the lower section of charging aperture 7, and the other end of belt conveyor 9 is located at
The top of discharging opening 8, and discharging opening 8 towards reduction device body 1 inwall and can be corresponding with the sample leaving opening 4 on inwall.
Content, the above-mentioned rotary reduction device for coal sample preparation, when running, due to coal are introduced compared to background technology
Sample guider fix on the rotary shaft, therefore can with rotary shaft rotation, when the discharging opening of coal sample guider is rotated to contracting
During the sample leaving opening set on the inwall for dividing device body, partial material can enter sample leaving opening；Simultaneously because coal sample guider is led
Belt conveyor is provided with to the lower cavity wall of the inner side of chamber, the skin set in the lower cavity wall by adjusting the inner side of directed cavity
Transmission speed with conveying mechanism, and then realize the export speed of material is adjusted.
Certainly need exist for explanation, those skilled in the art will readily appreciate that, reduction device body also
Should have and abandon sample mouthful 5, the material of sample leaving opening is introduced into by material derived from the discharging opening of coal sample guider 6, can be entered
Abandon sample mouthful 5.
In some specific embodiments, above-mentioned directed cavity is also provided with being used to adjust close to the side of discharging opening 8
Save the current-limiting apparatus 10 in the export section of directed cavity.By set current-limiting apparatus discharging opening can be dished out material section carry out
Regulation, and then by the synergy of belt conveyor and current-limiting apparatus, flow can be adjusted, and then can realize
Blanking is uniform when material is dished out.Explanation is needed exist for, above-mentioned current-limiting apparatus can be the knot that choke block insertion is oriented to cavity
Configuration formula, by adjust choke block block directed cavity inner section area size, carry out corresponding Flow-rate adjustment, certainly
Can be those skilled in the art commonly use other current limlitings, throttle structure, such as choke block is be fixed on directed cavity by axle
Inside, and the axis direction of the axle vertically with directed cavity, can be adjusted by the anglec of rotation for adjusting choke block to effluent face product
Section.
In some more particular embodiments, belt conveyor 9 includes conveyer belt and the biography for driving conveyer belt
Motivation structure.The transmission mechanism can have motor with itself, corresponding power be exported to conveyer belt by motor, by adjusting motor
Power output can control the transporting velocity of conveyer belt.Certain transmission mechanism can also be driven with the drive mechanism of rotary shaft
Connection, so can by the drive mechanism of rotary shaft power, but because rotary shaft the rotating speed of the drive mechanism in itself will
Ask as constant rotational speed, it is therefore desirable to output turning to conveyer belt is realized by the way that transmission mechanism is designed into different gearratios
Speed.
In some more particular embodiments, it is also provided with above-mentioned transmission mechanism for adjusting the defeated of conveyer belt
Send the speed regulator of speed.The output speed of transmission mechanism can be adjusted by speed regulator, and then conveyer belt can be adjusted
Output speed.
In further embodiment, above-mentioned transmission mechanism can be gear drive.It is appreciated of course that this
Other transmission mechanisms that art personnel commonly use, such as the mode of chain-type or transmission belt, but the now power of transmission mechanism
It is other drive mechanisms beyond the drive mechanism of rotary shaft to need.
Further, material is fed for convenience, and charging aperture 7 is designed as infundibulate.Of course, it should be understood that above-mentioned leakage
Bucket shape is only the preferable examples or other structures shape of the embodiment of the present invention, such as column type etc..
In addition, above-mentioned directed cavity is perpendicular to rotary shaft 2.It is appreciated of course that above-mentioned directed cavity can also be and rotation
The non-perpendicular mode of axle arranges that such as, the mode that discharging opening one end of directed cavity is angled slightly downward is arranged, only this hair
It is bright to be preferred to use vertical mode.
The rotary reduction device provided by the present invention for coal sample preparation is described in detail above.Need explanation
, each embodiment in this specification described by the way of progressive, and what each embodiment was stressed is and it
Between the difference of his embodiment, each embodiment identical similar part mutually referring to.
It should also be noted that, herein, such as first and second or the like relational terms are used merely to one
Entity or operation make a distinction with another entity or operation, and not necessarily require or imply between these entities or operation
There is any this actual relation or order.Moreover, term " comprising ", "comprising" or its any other variant are intended to contain
Lid nonexcludability is included, so that article or equipment including a series of key elements not only include those key elements, but also
Including other key elements being not expressly set out, or also include for this article or the intrinsic key element of equipment.Do not having
In the case of more limitations, the key element limited by sentence "including a ...", it is not excluded that including the article of above-mentioned key element
Or also there is other identical element in equipment.
Specific case used herein is set forth to the principle and embodiment of the present invention, and above example is said
The bright method and its core concept for being only intended to help to understand the present invention.It should be pointed out that for the ordinary skill of the art
For personnel, under the premise without departing from the principles of the invention, some improvement and modification can also be carried out to the present invention, these improvement
Also fallen into modification in the protection domain of the claims in the present invention.
Claims (8)
1. a kind of rotary reduction device for coal sample preparation, including reduction device body (1), the reduction device body (1) it is interior
Portion is provided with rotary shaft (2), it is characterised in that be fixed with coal sample guider (6) on the rotary shaft (2), the coal sample is led
Include charging aperture (7), discharging opening (8) and the guiding between the charging aperture (7) and the discharging opening (8) to device (6)
Belt conveyor (9) is provided with the inside of chamber, the directed cavity, one end of the belt conveyor (9) is entered described in
The lower section of material mouth (7), the other end of the belt conveyor (9) is located at the top of the discharging opening (8), and the discharging opening
(8) towards the reduction device body (1) inwall and can be corresponding with the sample leaving opening (4) on the inwall.
2. it is used for the rotary reduction device of coal sample preparation as claimed in claim 1, it is characterised in that the directed cavity is close to institute
The side for stating discharging opening (8) is provided with the current-limiting apparatus (10) in the export section for adjusting the directed cavity.
3. it is used for the rotary reduction device of coal sample preparation as claimed in claim 1, it is characterised in that the belt conveyor
(9) conveyer belt and the transmission mechanism for driving the conveyer belt are included.
4. it is used for the rotary reduction device of coal sample preparation as claimed in claim 3, it is characterised in that the transmission mechanism and institute
State the drive mechanism drive connection of rotary shaft.
5. it is used for the rotary reduction device of coal sample preparation as claimed in claim 3, it is characterised in that on the transmission mechanism also
It is provided with the speed regulator of the transporting velocity for adjusting the conveyer belt.
6. it is used for the rotary reduction device of coal sample preparation as claimed in claim 3, it is characterised in that the transmission mechanism is tooth
Wheel drive mechanism.
7. it is used for the rotary reduction device of coal sample preparation as claimed in claim 1, it is characterised in that the charging aperture (7) is
Infundibulate.
8. as claimed in claim 1 be used for coal sample preparation rotary reduction device, it is characterised in that the directed cavity perpendicular to
The rotary shaft (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710476912.XA CN107132096B (en) | 2017-06-21 | 2017-06-21 | Rotary divider for coal sample preparation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710476912.XA CN107132096B (en) | 2017-06-21 | 2017-06-21 | Rotary divider for coal sample preparation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107132096A true CN107132096A (en) | 2017-09-05 |
| CN107132096B CN107132096B (en) | 2023-10-20 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710476912.XA Active CN107132096B (en) | 2017-06-21 | 2017-06-21 | Rotary divider for coal sample preparation |
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| Country | Link |
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| CN (1) | CN107132096B (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB358546A (en) * | 1930-07-02 | 1931-10-02 | Charles Fredrick Richards | Improvements in and relating to hydraulic coal and ore washing and separating machines |
| GB1107671A (en) * | 1965-03-05 | 1968-03-27 | Corbeil Const Mec | Improved agricultural product distributor |
| US4232781A (en) * | 1976-06-19 | 1980-11-11 | Dr. Hans Boeckels Gmbh & Co. | Method of and apparatus for operating a dosing arrangement for good and poorly flowing loose material |
| CN2149622Y (en) * | 1992-10-19 | 1993-12-15 | 山东南定热电厂 | Mechanical coal sampling and preparing specimen apparatus |
| CN201408142Y (en) * | 2009-04-02 | 2010-02-17 | 上海宝钢工业检测公司 | Conveyor conveyed type rotary sample dividing machine |
| CN102975875A (en) * | 2012-12-26 | 2013-03-20 | 镇江市科瑞制样设备有限公司 | Reduction device |
| CN203079284U (en) * | 2013-02-06 | 2013-07-24 | 潍坊汇英重机有限公司 | Belt feeder |
| CN203227550U (en) * | 2013-05-03 | 2013-10-09 | 益阳市通力机械制造有限公司 | Uniform material conveying device |
| CN105151720A (en) * | 2015-09-06 | 2015-12-16 | 沈阳远大科技园有限公司 | Mobile filling machine |
| CN105181417A (en) * | 2015-10-12 | 2015-12-23 | 天津圣德天工采样技术有限公司 | Rotary splitting machine |
| CN206208621U (en) * | 2016-11-10 | 2017-05-31 | 长沙开元仪器股份有限公司 | A kind of contracting device |
| CN206891819U (en) * | 2017-06-21 | 2018-01-16 | 长沙开元仪器股份有限公司 | A kind of rotary reduction device for coal sample preparation |
-
2017
- 2017-06-21 CN CN201710476912.XA patent/CN107132096B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB358546A (en) * | 1930-07-02 | 1931-10-02 | Charles Fredrick Richards | Improvements in and relating to hydraulic coal and ore washing and separating machines |
| GB1107671A (en) * | 1965-03-05 | 1968-03-27 | Corbeil Const Mec | Improved agricultural product distributor |
| US4232781A (en) * | 1976-06-19 | 1980-11-11 | Dr. Hans Boeckels Gmbh & Co. | Method of and apparatus for operating a dosing arrangement for good and poorly flowing loose material |
| CN2149622Y (en) * | 1992-10-19 | 1993-12-15 | 山东南定热电厂 | Mechanical coal sampling and preparing specimen apparatus |
| CN201408142Y (en) * | 2009-04-02 | 2010-02-17 | 上海宝钢工业检测公司 | Conveyor conveyed type rotary sample dividing machine |
| CN102975875A (en) * | 2012-12-26 | 2013-03-20 | 镇江市科瑞制样设备有限公司 | Reduction device |
| CN203079284U (en) * | 2013-02-06 | 2013-07-24 | 潍坊汇英重机有限公司 | Belt feeder |
| CN203227550U (en) * | 2013-05-03 | 2013-10-09 | 益阳市通力机械制造有限公司 | Uniform material conveying device |
| CN105151720A (en) * | 2015-09-06 | 2015-12-16 | 沈阳远大科技园有限公司 | Mobile filling machine |
| CN105181417A (en) * | 2015-10-12 | 2015-12-23 | 天津圣德天工采样技术有限公司 | Rotary splitting machine |
| CN206208621U (en) * | 2016-11-10 | 2017-05-31 | 长沙开元仪器股份有限公司 | A kind of contracting device |
| CN206891819U (en) * | 2017-06-21 | 2018-01-16 | 长沙开元仪器股份有限公司 | A kind of rotary reduction device for coal sample preparation |
Non-Patent Citations (1)
| Title |
|---|
| 姚元书: "自旋转缩分器", 《煤矿机械》, vol. 36, no. 8, pages 212 - 213 * |
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| CN107132096B (en) | 2023-10-20 |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20190517 Address after: 410100 Xingsha Industrial Base, Changlong Street, Changsha Economic and Technological Development Zone, Hunan Province, No. 1259, Liangtang East Road Applicant after: Changsha Kaiyuan Instruments Co.,Ltd. Address before: 410100 No. 172 Kaiyuan Road, Changsha economic and Technological Development Zone, Hunan Applicant before: CHANGSHA KAIYUAN INSTRUMENTS Co.,Ltd. |
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