CN104181021B - Flow guide type sample division device and division method - Google Patents
Flow guide type sample division device and division method Download PDFInfo
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- CN104181021B CN104181021B CN201410423976.XA CN201410423976A CN104181021B CN 104181021 B CN104181021 B CN 104181021B CN 201410423976 A CN201410423976 A CN 201410423976A CN 104181021 B CN104181021 B CN 104181021B
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Abstract
The invention discloses a kind of flow guide type sample division device and division method thereof, flow guide type sample division device includes frame；Rack-mounted feed hopper；Deflector, deflector has two guide faces of symmetry；It is arranged on the rotating shaft within deflector and drives described deflector around the driving means of described shaft axis reciprocally swinging, driving means is connected with rotating shaft by actuating device, and actuating device includes making being in transmission connection between driving means and rotating shaft disconnect or the control piece of conducting；The material being separately positioned in the first receiving hopper of both sides, deflector bottom and the second receiving hopper, and described feed hopper can enter the first receiving hopper and the second receiving hopper along described inclined plane；Keeper, described keeper described deflector can be made to stop swinging and material along static deflector completely into the first receiving hopper.This flow guide type sample division device can efficiently solve the problem that the division ratio of flow guide type sample division device of the prior art is more single.
Description
Technical field
The present invention relates to material and divide contracting technical field, more particularly, it relates to a kind of flow guide type sample division device and
Its division method.
Background technology
Reduction device is according to the regulation design in standard GB/T 474 " preparation method of coal sample ", is
Indispensable instrument in the work of contraction coal sample.It is mainly characterized by rational in infrastructure, easy to use, is suitable for
In coal, sample ore or the curtailed sampling of other uneven granular material.
The kind of reduction device of the prior art is varied, and flow guide type sample division device generally comprises frame, enters
Hopper, deflector, it is arranged on two receiving hoppers of both sides, deflector bottom, is arranged within deflector
Rotating shaft and drive deflector around the driving means of shaft swing, wherein deflector is around rotating shaft reciprocally swinging,
It is rocked to material during side and can be rocked to opposite side then thing along deflector completely in a receiving hopper
Material can be along deflector completely in another receiving hopper, and such deflector reciprocally swinging realizes material
Divide to two receiving hoppers.But the division ratio of existing flow guide type sample division device is generally 1 or 1/2, because of
The division ratio of this flow guide type sample division device of the prior art is restricted, it is impossible to meet other division ratio
Division requirement.
In sum, the division ratio how efficiently solving flow guide type sample division device of the prior art is more single
The problem of one, is current those skilled in the art's urgent problem.
Summary of the invention
In view of this, first purpose of the present invention is to provide a kind of flow guide type sample division device, this flow-guiding type
The structure design of reduction device can efficiently solve the division ratio of flow guide type sample division device of the prior art relatively
Single problem, second object of the present invention is to provide the division method of multiple flow guide type sample division device.
In order to reach above-mentioned first purpose, the present invention provides following technical scheme:
A kind of flow guide type sample division device, including:
Frame；
It is arranged on the feed hopper in described frame, and described feed hopper has inlet and outlet；
Deflector, described deflector has two guide faces of symmetry；
It is arranged on the rotating shaft within described deflector and drives described deflector past around described shaft axis
The driving means that physical pendulum is dynamic, described driving means is connected with rotating shaft by actuating device, described actuating device
Disconnect or the control piece of conducting including being in transmission connection between driving means and rotating shaft can be made；
Be separately positioned on the first receiving hopper and second receiving hopper of both sides, described deflector bottom, and described in enter
Material in hopper can enter the first receiving hopper and the second receiving hopper along described inclined plane；
Keeper, described keeper can make described deflector stop swinging and material is along static water conservancy diversion
Plate is completely into the first receiving hopper.
Preferably, in above-mentioned flow guide type sample division device, it is defeated that described actuating device includes with described driving means
Go out eccentric, one end and the described eccentric holding the power transmission shaft connected to be connected with described power transmission shaft fixing even
The connecting rod that connects and fix the first fork being connected, described first fork with the other end of described connecting rod
One end is fixing with described connecting rod to be connected, and the other end is fixing with the first end of described rotating shaft to be connected.
Preferably, in above-mentioned flow guide type sample division device, described control piece is specially connected to eccentric and transmission
Clutch between axle.
Preferably, in above-mentioned flow guide type sample division device, also include that can control described clutch disconnects or engagement
Controller.
Preferably, in above-mentioned flow guide type sample division device, described driving means is motor.
Preferably, in above-mentioned flow guide type sample division device, equal fixed cover on the outfan of described motor and power transmission shaft
Being provided with sprocket wheel, described motor drives drive axis by chain and sprocket wheel.
Preferably, in above-mentioned flow guide type sample division device, described keeper includes the second fork and extension spring, described
One end of second fork is fixing with the second end of described rotating shaft to be connected, and the other end is fixing with one end of extension spring to be connected
Connecing, the other end of described extension spring is relatively fixed with frame.
Preferably, in above-mentioned flow guide type sample division device, described deflector is positioned in described feed hopper, described turn
Axle is rotationally connected with on described feed hopper, and the other end of described extension spring is fixing with the outer wall of feed hopper to be connected.
A kind of division method of flow guide type sample division device, including step:
Calculating division ratio, need to obtain material sampling quality is a, and material gross mass is A, then division ratio m=a/A；
Material division, the hunting frequency of described deflector is n,In second time period Z, drive
Dynamic device drives described deflector only reciprocally swinging once, and when described deflector is static, material is along deflector
Completely in the first receiving hopper.
A kind of division method of flow guide type sample division device, including step:
Calculating division ratio, need to obtain material sampling quality is a, and material gross mass is A, then division ratio m=a/A；
Material division, the hunting frequency of described deflector is n,In second time period Z, electricity
Machine only drives eccentric to rotate a circle, when described deflector is static material along deflector completely into first
In receiving hopper.
The flow guide type sample division device that the present invention provides includes frame, feed hopper, deflector, rotating shaft, driving dress
Put, actuating device, the first receiving hopper, the second receiving hopper and keeper.Wherein feed hopper fixed installation
In frame, and feed hopper has inlet and outlet.Deflector has two guide faces of symmetry, enters
Material in hopper can enter the first receiving hopper and the second receiving hopper along two guide faces.Rotating shaft is arranged
Inside deflector, driving means can drive deflector around shaft axis reciprocally swinging, and drives
Device is connected with rotating shaft by actuating device, and actuating device includes can making between driving means and rotating shaft
It is in transmission connection and disconnects or the control piece of conducting.First receiving hopper and the second receiving hopper are separately positioned on deflector
In the both sides of bottom, and deflector swing process, the thing when air deflector is in the position that a lateral swinging angle is maximum
Expect along a guide face of deflector completely into the first receiving hopper, when air deflector is in opposite side pivot angle
During maximum position material along another guide face of deflector completely into the second receiving hopper.It addition,
Keeper deflector can be made to stop swinging and material along static deflector completely into the first splicing
Bucket.When i.e. being in transmission connection between driving means and rotating shaft disconnects, keeper makes deflector static and inclines
Tiltedly, material along static deflector completely into the first receiving hopper.
During the flow guide type sample division device that the application present invention provides, the material sampling quality if desired obtained is a, thing
Material gross mass is A, then division ratio m=a/A, drives deflector reciprocally swinging by driving means, and leads
The hunting frequency of stream plate is n,In second time period Z, control piece makes driving means and rotating shaft
Between be in transmission connection and turn on the only 1/n second, i.e. driving means drives deflector only reciprocally swinging once, should
In the 1/n second, existing material enters the first receiving hopper and the second receiving hopper, and entrance the first receiving hopper and second connects
Quality of material in hopper is equal.In remaining time, control piece makes the transmission between driving means and rotating shaft even
Connecing disconnection, now keeper makes deflector static and material enters the first receiving hopper along deflector.So
Operate, within the Z second, material is divided in the first receiving hopper and the second receiving hopper, and the second splicing
Quality of material in bucket is a, with this material sampling quality realizing obtaining as a.
In order to reach above-mentioned second purpose, present invention also offers the division side of a kind of flow guide type sample division device
Method, including step:
S1: calculating division ratio, need to obtain material sampling quality is a, and material gross mass is A, then division ratio
M=a/A；
S2: material division, the hunting frequency of deflector is n,In second time period Z, drive
Dynamic device drives deflector only reciprocally swinging once, and when described deflector is static, material is complete along deflector
Enter in the first receiving hopper.
The i.e. hunting frequency of deflector is n,In second time period Z, control piece makes driving fill
Put being in transmission connection between rotating shaft and turn on only 1/n second, i.e. driving means driving deflector only reciprocally swinging one
Secondary, in this 1/n second, existing material enters the first receiving hopper and the second receiving hopper, and enter the first receiving hopper and
Quality of material in second receiving hopper is equal.In remaining time, control piece makes between driving means and rotating shaft
Be in transmission connection disconnection, and now keeper makes deflector static and material enters the first receiving hopper along deflector.
So operate, within the Z second, material is divided in the first receiving hopper and the second receiving hopper, and second
Quality of material in receiving hopper is a, with this material sampling quality realizing obtaining as a.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to reality
Execute the required accompanying drawing used in example or description of the prior art to be briefly described, it should be apparent that below,
Accompanying drawing in description is only some embodiments of the present invention, for those of ordinary skill in the art,
On the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
The structural representation of the flow guide type sample division device that Fig. 1 provides for the embodiment of the present invention；
The structural representation of another angle of the flow guide type sample division device that Fig. 2 provides for the embodiment of the present invention；
The partial structurtes schematic diagram of the flow guide type sample division device that Fig. 3 provides for the embodiment of the present invention.
In accompanying drawing, labelling is as follows:
1-feed hopper, 2-deflector, 3-connecting rod, 4-eccentric, 5-clutch, 6-motor, 7-sprocket wheel,
8-power transmission shaft, 9-keeper, 91-the second fork, 92-extension spring, 10-the first fork, 11-the first receiving hopper,
12-the second receiving hopper.
Detailed description of the invention
First purpose of the present invention is to provide a kind of flow guide type sample division device, the knot of this flow guide type sample division device
Structure design can efficiently solve more single the asking of division ratio of flow guide type sample division device of the prior art
Topic, second object of the present invention is to provide the division method of multiple flow guide type sample division device.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the present invention, and
It is not all, of embodiment.Based on the embodiment in the present invention, those of ordinary skill in the art are not doing
Go out the every other embodiment obtained under creative work premise, broadly fall into the scope of protection of the invention.
Referring to Fig. 1-Fig. 3, the flow guide type sample division device that the present invention provides includes frame, feed hopper 1, water conservancy diversion
Plate 2, rotating shaft, driving means, actuating device, first receiving hopper the 11, second receiving hopper 12 and location
Part 9.Wherein feed hopper 1 is fixedly mounted in frame, and feed hopper 1 has inlet and outlet.Water conservancy diversion
Plate 2 has two guide faces of symmetry, and the material in feed hopper 1 can enter the along two guide faces
One receiving hopper 11 and the second receiving hopper 12.It is internal that rotating shaft is arranged on deflector 2, and driving means can drive
Deflector 2 is around shaft axis reciprocally swinging, and driving means is connected with rotating shaft by actuating device,
Actuating device includes making being in transmission connection between driving means and rotating shaft disconnect or the control piece of conducting.
First receiving hopper 11 and the second receiving hopper 12 are separately positioned on the both sides of deflector 2 bottom, and deflector 2
In swing process, when deflector 2 is in the position of a lateral swinging angle maximum, material is along the one of deflector 2
Individual guide face is completely into the first receiving hopper 11, when deflector 2 is in the position of opposite side pivot angle maximum
Material along another guide face of deflector 2 completely into the second receiving hopper 12.It addition, keeper 9
Deflector 2 can be made to stop swinging and material along static deflector 2 completely into the first receiving hopper 11.
When i.e. being in transmission connection between driving means and rotating shaft disconnects, keeper 9 makes deflector 2 static and inclines
Tiltedly, material along static deflector 2 completely into the first receiving hopper 11.
During the flow guide type sample division device that the application present invention provides, the material sampling quality if desired obtained is a, thing
Material gross mass is A, then division ratio m=a/A, drives deflector 2 reciprocally swinging by driving means, and
The hunting frequency of deflector 2 is n,In second time period Z, control piece make driving means with
Being in transmission connection between rotating shaft turns on only 1/n second, i.e. driving means driving deflector 2 only reciprocally swinging once,
In this 1/n second, existing material enters the first receiving hopper 11 and the second receiving hopper 12, and enters the first receiving hopper
11 and second quality of material in receiving hopper 12 are equal.In remaining time, control piece makes driving means and rotating shaft
Between the disconnection that is in transmission connection, now keeper 9 makes deflector 2 static and material enters along deflector 2
Enter the first receiving hopper 11.So operate, within the Z second, material is divided at the first receiving hopper 11 and
In two receiving hoppers 12, and the quality of material in the second receiving hopper 12 is a, takes with the material that this realizes obtaining
Sample quality is a.
Preferably, actuating device can include power transmission shaft 8 and the transmission that the outfan with driving means is connected
Eccentric 4 that axle 8 connects, one end and eccentric 4 fix the connecting rod 3 being connected and with another of connecting rod 3
Fixing the first fork 10 connected of end, one end of the first fork 10 is fixing with connecting rod 3 to be connected, the other end and
First end of rotating shaft is fixing to be connected.Driving means drives power transmission shaft 8 to rotate, and eccentric 4 is coaxial with power transmission shaft 8
Arranging, connecting rod 3 is perpendicular to the junction of power transmission shaft 8 and connecting rod 3 and eccentric 4 and deviates its axis, the
One fork 10 is vertically arranged with rotating shaft, and power transmission shaft 8 is arranged in parallel with rotating shaft.So, driving means is driven
Dynamic power transmission shaft 8 rotates, and then band movable eccentric wheel 4 rotates, and connecting rod 3 and fork drive deflector 2 toward physical pendulum
Dynamic.
Further, control piece can be the clutch 5 being connected between eccentric 4 and power transmission shaft 8, so
Eccentric 4 and power transmission shaft 8 common rotation when clutch 5 engages, so realize driving means and deflector 2 it
Between the conducting of drive connection, i.e. driving means drive deflector 2 to swing by actuator drives rotating shaft.From
When clutch 5 disconnects, power transmission shaft 8 can not rotate by band movable eccentric wheel 4, now between driving means and deflector 2
The disconnection of drive connection.Clutch 5 can be electromagnetic clutch, so can be carried out by energising and power-off
Control.Certainly, control piece can also be connected by control for being connected to parts between connecting rod 3 and fork
Bar 3 realizes with disconnecting with the connection of fork.
Further, it is also possible to include controlling the controller that clutch 5 disconnects or engages, i.e. controller
Signal output part be connected with the signal input part of clutch 5, controller control clutch 5 engagement disconnect
Realize controlling being in transmission connection between driving means and rotating shaft, so automatically can be controlled by controller
System, more time saving and energy saving.Concrete, controller can control the power on/off of electromagnetic clutch, it is achieved right
The control of electromagnetic clutch.
Driving means is motor 6, and concrete can be motor, servomotor or reducing motor etc..
It is possible to further equal fixed cover is provided with sprocket wheel 7 on the outfan and power transmission shaft 8 of motor 6, motor 6 leads to
Cross chain and sprocket wheel 7 drives power transmission shaft 8 to rotate.Certainly, the outfan of motor 6 can also directly and power transmission shaft
8 connect, in this no limit.Certainly, driving means can also be worm gear structure, does not limits at this
Fixed.
Certainly, actuating device can also include power transmission shaft 8 and the transmission that the outfan with driving means is connected
Eccentric 4 that axle 8 connects, the fixing connecting rod 3 being connected of one end and eccentric 4, the other end of connecting rod 3 and
Deflector 2 is fixing to be connected, and the axis of the junction deviation rotating shaft of connecting rod 3 and deflector 2.Eccentric 4
Can also directly outfan with motor 6 be connected.
Keeper 9 can include the second fork 91 and extension spring 92, one end of the second fork 91 and the second of rotating shaft
End is fixing to be connected, and the other end is fixing with one end of extension spring 92 to be connected, and the other end of extension spring 92 is relative with frame
Fixing.Second fork 91 is vertically arranged with rotating shaft, and extension spring 92 is spring, when control piece controls driving means
And between rotating shaft being in transmission connection disconnection time, when i.e. clutch 5 disconnects, due to the active force of extension spring 92, lead
The side of the first receiving hopper 11 is partial in the bottom of stream plate 2, and then makes material enter first along deflector 2 to connect
Hopper 11.Further, deflector 2 may be located in feed hopper 1, and axis of rotation is connected on feed hopper 1,
The other end of extension spring 92 is fixing with the outer wall of feed hopper 1 to be connected.
Certainly, keeper 9 can also be in this no limit for the torsion spring being set in rotating shaft.
Deflector 2 may be located on the downside of the outlet of feed hopper 1.This flow guide type sample division device can also include
Be arranged at the even feeding device above deflector 2, even feeding device can be Electromagnetically vibrating dispenser or
Mechanical type eccentric vibrating dispenser.Deflector 2 can be triangular pyramid body.
Present invention also offers a kind of division method of flow guide type sample division device, including step:
S1: calculating division ratio, need to obtain material sampling quality is a, and material gross mass is A, then division ratio
M=a/A；
S2: material division, the hunting frequency of deflector 2 is n,In second time period Z,
Driving means drives deflector 2 only reciprocally swinging once, and when described deflector 2 is static, material is along water conservancy diversion
Plate 2 is completely in the first receiving hopper 11.
The i.e. hunting frequency of deflector 2 is n,In second time period Z, control piece makes driving
Being in transmission connection between device and rotating shaft turns on the only 1/n second, and i.e. driving means driving deflector 2 is only toward physical pendulum
Dynamic once in this 1/n second, existing material enters the first receiving hopper 11 and the second receiving hopper 12, and enters the
Quality of material in one receiving hopper 11 and the second receiving hopper 12 is equal.In remaining time, control piece makes driving
The disconnection that is in transmission connection between device and rotating shaft, now keeper 9 make deflector 2 static and material along
Deflector 2 enters the first receiving hopper 11.So operate, within the Z second, material is divided and connects first
In hopper 11 and the second receiving hopper 12, and the quality of material in the second receiving hopper 12 is a, realizes with this
The material sampling quality obtained is a.
Present invention also offers the division method of another kind of flow guide type sample division device, including step:
A1: calculating division ratio, need to obtain material sampling quality is a, and material gross mass is A, then division ratio
M=a/A；
A2: material division, the hunting frequency of deflector 2 is n,In second time period Z,
Motor 6 only drives eccentric 4 to rotate a circle, and when deflector 2 is static, material enters completely along deflector 2
Enter in the first receiving hopper 11.
The i.e. hunting frequency of deflector 2 is n,In second time period Z, clutch 5 engages
The 1/n second, make being in transmission connection between driving means and rotating shaft turn on only 1/n second, i.e. motor 6 and drive water conservancy diversion
Once, in this 1/n second, existing material enters the first receiving hopper 11 and the second receiving hopper to plate 2 only reciprocally swinging
12, and it is equal to enter the quality of material in the first receiving hopper 11 and the second receiving hopper 12.In remaining time
Control piece makes the disconnection that is in transmission connection between driving means and rotating shaft, and now keeper 9 makes deflector 2 quiet
Stop and material enters the first receiving hopper 11 along deflector 2.So operate, within the Z second, by thing
Material point is in the first receiving hopper 11 and the second receiving hopper 12, and the quality of material in the second receiving hopper 12 is
A, with this material sampling quality realizing obtaining as a.
In this specification, each embodiment uses the mode gone forward one by one to describe, and each embodiment stresses
Being the difference with other embodiments, between each embodiment, identical similar portion sees mutually.
Described above to the disclosed embodiments, makes professional and technical personnel in the field be capable of or uses
The present invention.Multiple amendment to these embodiments will be aobvious and easy for those skilled in the art
See, generic principles defined herein can without departing from the spirit or scope of the present invention,
Realize in other embodiments.Therefore, the present invention is not intended to be limited to the embodiments shown herein,
And it is to fit to the widest scope consistent with principles disclosed herein and features of novelty.
Claims (10)
1. a flow guide type sample division device, it is characterised in that including:
Frame；
The feed hopper (1) being arranged in described frame, and described feed hopper (1) has inlet and outlet；
Deflector (2), described deflector (2) has two guide faces of symmetry；
It is arranged on the internal rotating shaft of described deflector (2) and drives described deflector (2) around described
The driving means of shaft axis reciprocally swinging, described driving means is connected with rotating shaft by actuating device, institute
State actuating device to include making being in transmission connection between driving means and rotating shaft disconnect or the control of conducting
Part；
It is separately positioned on the first receiving hopper (11) and second receiving hopper of described deflector (2) both sides, bottom
(12) material, and in described feed hopper (1) can enter the first receiving hopper (11) along described guide face
With the second receiving hopper (12)；
Keeper (9), described keeper (9) can make described deflector (2) stop swinging and material
Along static deflector (2) completely into the first receiving hopper (11).
Flow guide type sample division device the most according to claim 1, it is characterised in that described actuating device bag
Include what the power transmission shaft (8) being connected with the outfan of described driving means was connected with described power transmission shaft (8)
Eccentric (4), the fixing connecting rod (3) being connected of one end and described eccentric (4) and with described company
The other end of extension bar (3) fixes first fork (10) of connection, described first fork (10) one end with
Described connecting rod (3) is fixing to be connected, and the other end is fixing with the first end of described rotating shaft to be connected.
Flow guide type sample division device the most according to claim 2, it is characterised in that described control piece is concrete
For the clutch (5) being connected between eccentric (4) and power transmission shaft (8).
Flow guide type sample division device the most according to claim 3, it is characterised in that also include controlling
The controller that described clutch (5) disconnects or engages.
Flow guide type sample division device the most according to claim 2, it is characterised in that described driving means is
Motor (6).
Flow guide type sample division device the most according to claim 5, it is characterised in that described motor (6)
Outfan and the upper equal fixed cover of power transmission shaft (8) be provided with sprocket wheel (7), described motor (6) passes through chain
Power transmission shaft (8) is driven to rotate with sprocket wheel (7).
Flow guide type sample division device the most according to claim 1, it is characterised in that described keeper (9)
Including the second fork (91) and extension spring (92), one end of described second fork (91) and described rotating shaft
The second end fixing connect, the other end is fixed with one end of extension spring (92) and is connected, described extension spring (92)
The other end be relatively fixed with frame.
Flow guide type sample division device the most according to claim 7, it is characterised in that described deflector (2)
Being positioned in described feed hopper (1), described axis of rotation is connected on described feed hopper (1), described in draw
The other end of spring (92) is fixing with the outer wall of feed hopper (1) to be connected.
9. a division method for use flow guide type sample division device as described in any one of claim 1-4, its
It is characterised by, including step:
Calculating division ratio, need to obtain material sampling quality is a, and material gross mass is A, then division ratio m=a/A；
Material division, the hunting frequency of described deflector (2) is n,In second time period Z,
Driving means drives described deflector (2) only reciprocally swinging once, thing when described deflector (2) is static
Expect along deflector (2) completely in the first receiving hopper (11).
10. using a division method for flow guide type sample division device as claimed in claim 5, its feature exists
In, including step:
Calculating division ratio, need to obtain material sampling quality is a, and material gross mass is A, then division ratio m=a/A；
Material division, the hunting frequency of described deflector (2) is n,In second time period Z,
Motor (6) only drives eccentric (4) to rotate a circle, and when described deflector (2) is static, material is along leading
Stream plate (2) is completely in the first receiving hopper (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410423976.XA CN104181021B (en) | 2014-08-26 | 2014-08-26 | Flow guide type sample division device and division method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410423976.XA CN104181021B (en) | 2014-08-26 | 2014-08-26 | Flow guide type sample division device and division method |
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| CN104181021A CN104181021A (en) | 2014-12-03 |
| CN104181021B true CN104181021B (en) | 2016-10-05 |
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| CN105223056B (en) * | 2015-10-23 | 2018-01-16 | 长沙开元仪器股份有限公司 | A kind of swing type contracting device |
| CN106092666B (en) * | 2016-07-26 | 2019-04-16 | 大唐环境产业集团股份有限公司 | Smoke sampling analysis calibration auxiliary device |
| CN108459629A (en) * | 2017-02-22 | 2018-08-28 | 镇江市丰泰化验制样设备有限公司 | It is a kind of adjustable fixed than quantitative reduction device |
| CN106969944B (en) * | 2017-04-28 | 2024-03-01 | 湖南三德科技股份有限公司 | Spiral sampling device |
| CN108375494A (en) * | 2018-04-08 | 2018-08-07 | 中山市宏唯自动化科技有限公司 | A kind of reciprocating swing reduction device |
| CN110672391B (en) * | 2019-10-24 | 2022-05-10 | 明光市恒鼎凹土有限公司 | Multistage splitter of ore with mixing function |
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| CN104181021A (en) | 2014-12-03 |
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Effective date of registration: 20190520 Address after: 410100 Xingsha Industrial Base, Changlong Street, Changsha Economic and Technological Development Zone, Hunan Province, No. 1259, Liangtang East Road Patentee after: Kaiyuan Instrument Co., Ltd., Changsha Address before: 410100 No. 172 Kaiyuan Road, Changsha economic and Technological Development Zone, Hunan Patentee before: Changsha Kaiyuan Instruments Co., Ltd. |
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