CN205165172U - Electronic shaking screen extension of vertical pulsed - Google Patents
Electronic shaking screen extension of vertical pulsed Download PDFInfo
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- CN205165172U CN205165172U CN201520522268.1U CN201520522268U CN205165172U CN 205165172 U CN205165172 U CN 205165172U CN 201520522268 U CN201520522268 U CN 201520522268U CN 205165172 U CN205165172 U CN 205165172U
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Abstract
The utility model discloses an electronic shaking screen extension of vertical pulsed, include that support frame, fixed square frame, vertical pulse drive arrangement and shaking screen divide the device, fixed square frame sets up in the support frame to through a plurality of elastomeric element and support frame fixed connection, the top of fixed square frame is equipped with a vertical gear rack, the top of support frame is equipped with the not intact full -tooth wheel with gear rack engaged with, not intact full -tooth wheel, gear rack and a plurality of elastomeric element constitute vertical pulse drive arrangement jointly, shaking screen divides device and fixed square frame to form an overall structure to carry out the vertical pulse campaign of periodic under vertical pulse drive arrangement's effect. After adopting above -mentioned structure, can realize screening and vibration function simultaneously, can avoid screen mesh blockage, improve screen cloth efficiency, the abundant flash mixed of sample that enables to vibrate improves vibration efficiency. Can also realize multiple screening function through the combination of different screen clothes, improve screening or vibration effect.
Description
Technical field
The utility model relates to a kind of electronic shaking screen extension set, particularly the electronic shaking screen extension set of a kind of vertical pulsed.
Background technology
At scientific research field, will through sample pre-treatments before sample analysis, this process has material impact to the efficiency of sample analysis and precision.But the process that the sample pre-treatments stage wastes time and energy often most.
In the basic research of agrology, research soil and water conservation, and in recent years to the aspect such as focus and further investigation of soil pollution phenomenon, often will soil be analyzed, to obtain corresponding test data.Significant process wherein to the grinding of pedotheque, screening.When part test is analyzed, especially carry out chemical composition analysis, often will carry out from leaching liquor, in order to fully extract chemical composition contained in sample, lixiviate of often sample and leaching liquor fully will being vibrated for a long time.
For part agrology and environmental science test, as aggregate separation test, the different layers level separator obtained by screening is the specimen material that next step is analysed in depth on the one hand, and the part by weight of itself also reflects some fundamental property of soil on the other hand.At this moment screening process has been not only sample pre-treatments, but the pith of process of the test.
In agricultural production and agronomic trials, also frequently by screening process removing impurities, purification germ plasm resource.
Therefore, the screening process of sample and oscillatory process significant.
In addition, in current family life, sometimes also need to sieve article, also have demand to small sieve separating device.
But current screening plant, oscillation device and method of operating thereof, often exist some problems, the requirement of scientific experiment and small-scale production (using containing family) can not be met completely.
Traditional screening mode mostly is artificial screening, mainly contain the modes such as sieved through sieve, dustpan sorting, pneumatic separating (mainly removal of contamination in agricultural production), waterpower sorting (conventional metallurgical, mining industry removal of contamination), there is the problems such as time-consuming, effort, screening efficiency are low, and the required precision of research work can not be met completely.
In whole Development of Human Civilization process, the research and development of labour saving machine are eternal processes, which also promotes the appearance of more utility models.
One, the present sieving machine overwhelming majority manufactures for large-scale industrial production research and development, less for scientific experiment and small-scale production (using containing family).
Its two, existing screening plant, oscillation device all based on horizontal reciprocating movement, rare catenary motion.In vibration and screening process, horizontal movement, compared with catenary motion, especially compared with vertical impulse movement, also exists following technical problem:
1. screening plant, the relative displacement of sample and screen cloth is apart from short, and screen cloth easily blocks, screening efficiency is low.
2. oscillation device, the relative displacement of sample and vibration container is apart from short, and the problems such as vibration inequality or duration of oscillation length, effect is relatively poor.
3. screening plant and oscillation device separate, can not be general, device purchase cost is high, and utilization rate is low.
Utility model content
The technical problems to be solved in the utility model is for above-mentioned the deficiencies in the prior art, and provide a kind of vertical pulsed electronic shaking screen extension set, screening plant and oscillation device are integrated by the electronic shaking screen of this vertical pulsed point function mutually, when using as screening plant, screen cloth can be avoided to block, improve screen cloth efficiency; When using as oscillation device, the abundant rapid mixing of sample can be made, improving oscillation efficiency.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is:
The electronic shaking screen extension set of a kind of vertical pulsed, comprise bracing frame, fixing square frame, vertical pulse driving device and shaking screen separating device, support frame as described above comprises top board, base plate and is arranged at some supports between top board and base plate; Described fixing square frame is arranged at the inside of bracing frame, and is fixedly connected with bracing frame by several elastomeric elements; The top of described fixing square frame is fixedly installed a vertical gear bar, and this gear bar passes from described top board; The top of support frame as described above is fixedly installed the partial gear of an Electronic control, and this partial gear can be meshed with described gear bar; Described partial gear, gear bar and several elastomeric elements form described vertical pulse driving device jointly; Described shaking screen separating device is detachable to be arranged in fixing square frame, and can form an overall structure with fixing square frame, and this overall structure carries out the vertical impulse movement of periodic under the effect of vertical pulse driving device.
Described top board and base plate are triangle, and described support has three, are separately positioned on three corner points of top board and base plate.
Isosceles triangle equal sized by described top board and base plate, described gear bar passes from the central spot on the long limit of the triangle of top board.
Each described elastomeric element is vertical supporting spring, and every one end of root vertical supporting spring is fixedly connected with the top margin of fixing square frame or base, and the other end of every root vertical supporting spring is fixedly connected with top board or base plate.
Each described elastomeric element is layback spring or layback rubber band, and one end of every root layback spring or layback rubber band is fixedly connected with the sidepiece of fixing square frame, and the other end of every root layback spring or layback rubber band is fixedly connected with corresponding support.
The outer perimeter of described partial gear middle gear part is 40mm.
Described partial gear is 1/2nd gears, and the diameter of 1/2nd gears is 12.73mm.
Described shaking screen packing is set to screen system or vibration case system.
After the utility model adopts said structure, there is following beneficial effect:
1. screening plant and oscillation device can be integrated mutually, highly versatile, equipment purchasing cost is low, and utilization rate is high.
2. the utility model adopts vertical pulsative oscillation mode, when sieving, in the descending process of vertical oscillatory process, fully can be separated sieving sample with screen cloth, and make sample maximize diffusion, in the up process of vertical oscillatory process, the relative velocity of sample and screen cloth can be increased, improve screening efficiency.
3., when vibrating, can fully sample separation (or mixture of leaching liquor and sample) vibrate container with sealing, and make sample maximize diffusion, form homogeneous mixture (or suspension), realization fully mixes, and improves oscillation efficiency.
4., in addition, when sieving, by different combination of screens, can several functions be realized, flexible and efficient.As when to use screen cloth lid, standard screen, screen cloth chassis simultaneously, sample dry screen can be realized; And by increase and decrease standard screen, can multi-stage screening be carried out.When only using standard screen, sample wet screening can be realized, can be used for water-stable aggregate classifying screen and grading.
5. above-mentioned vertical pulse driving device, achieves screening and vibration settles at one go, and function is more various.
6. vertical pulsed motion, achieves shaking screen separating device uniform descent and the unification of impulse hunting time up, avoids regular movement, thus improves screening and the efficiency of vibrating and effect.
7. partial gear is controlled by motor, and motor realizes its speeds control by speed governing knob, meets different screening and vibration requirement.
8. the electric device such as motor and speed governing knob is at topmost, can ensure safety, prevent wet water short circuit and electric shock when carrying out wet screening.
9. overall structure is simple, and cost is lower.
Accompanying drawing explanation
Fig. 1 shows the structural representation of the electronic shaking screen extension set of a kind of vertical pulsed of the utility model;
Fig. 2 shows the second embodiment that vertical pulsed electronic shaking screen extension set Elastic parts are arranged;
Fig. 3 shows the structural representation of vibration case system;
Fig. 4 shows the periodic curve map of vertical impulse movement.
Wherein have:
100. speed governing knobs, 101. motors, 102. partial gears, 103. gear bars, support spring on 104., 105. fixing square frames, 106. fixed bars, 107. slip rings, 108. fixed screws, 109. times vertical supporting springs, 110. layback springs;
201. top boards, 202. slip guide holes, 203. supports, 204. base plates;
301. screen cloth lids, 302. standard screens, 303. screen cloth chassis;
304. vibration case top covers, 305. vibration fixing springs, 306. vibration casees.
In addition, in Fig. 4, A represents the peak swing of vertical impulse movement, and T represents the cycle of vertical impulse movement, with device zero load for dead-center position, moves downward as positive direction.
Detailed description of the invention
Below in conjunction with accompanying drawing and concrete better embodiment, the utility model is described in further detail.
As depicted in figs. 1 and 2, the electronic shaking screen extension set of a kind of vertical pulsed, comprises bracing frame, fixing square frame 105, vertical pulse driving device and shaking screen separating device.
Support frame as described above comprises top board 201, base plate 204 and some supports 203.
Top board 201 and base plate 204 preferably arranged in parallel, shape is identical, is triangle, be preferably isosceles triangle, more preferably isosceles right triangle.
As further improvement, top board 201 and base plate 204 are the isosceles right triangle that hollow is arranged, and also namely top board 201 and base plate 204 are isosceles right triangle framework, can reduce entirety material and overall weight like this.
For increasing the stability of structure, when top board 201 and base plate 204 adopt isosceles right triangle framework, also can increase a support bar again, be arranged on by this support bar on the perpendicular bisector on the long limit of triangle, length is not higher than the half of the long edge lengths of triangle.
As replacement, the shape of top board 201 and base plate 204 also can rectangle, square or circular etc., all within protection domain of the present utility model.
The central spot on the long limit of the triangle of top board 201 is provided with a slip guide hole 202.
Above-mentioned support 203 preferably has three, is connected by top board 201 respectively with three corresponding angle points of base plate 204.
Above-mentioned fixing square frame 105 is arranged on the inside of bracing frame, and is fixedly connected with bracing frame by several elastomeric elements.Fixing square frame 105 is preferably 40mm with the distance of top board 201, is also preferably 40cm with the distance of base plate 204.
Fixing square frame 105 is preferably rectangle, the upper and lower length of side, and also namely top margin and the base length of side are all not less than 200mm, and the side length of side of the left and right sides is not less than the upper and lower length of side, and the hem width of fixing square frame 105 is preferably not less than 20mm.
As replacement, the base of fixing square frame 105 can be decussate texture, increases the contact area with shaking screen separating device, fixing more firm, also within protection domain of the present utility model.
The mode that above-mentioned fixing square frame 105 is fixedly connected with bracing frame by several elastomeric elements, preferably has the following two kinds preferred embodiment:
1. embodiment 1
Each elastomeric element is vertical supporting spring, and one end of every root vertical supporting spring is fixedly connected with the top margin of fixing square frame 105 or base, and the other end of every root vertical supporting spring is fixedly connected with top board 201 or base plate 204.
The quantity of vertical supporting spring is preferably two, be respectively vertical supporting spring 104 and lower vertical supporting spring 109, wherein, the bottom of upper vertical supporting spring 104 is fixedly connected with the top center of fixing square frame 105, and the top of upper vertical supporting spring 104 is fixedly connected with the bottom centre on the long limit of the triangle of top board 201; The bottom of lower vertical supporting spring 109 is fixedly connected with the bottom centre on the long limit of the triangle of base plate 204, and the top of lower vertical supporting spring 109 is fixedly connected with the bottom centre of fixing square frame 105.
Due to the left and right sides of fixing square frame 105 and the spacing of support 203 less, therefore vertical supporting spring generally gets 10mm.
As replacement, the quantity of vertical supporting spring also can be four or many, when for four, can be separately positioned on four edges of fixing square frame 105.Vertical supporting spring also can be replaced vertical supporting rubber band or other elastomeric materials, all within protection domain of the present utility model.
2. embodiment 2
Each elastomeric element is layback spring 110, and one end of every root layback spring 110 is fixedly connected with the sidepiece of fixing square frame 105, and the other end of every root layback spring 110 is fixedly connected with corresponding support 203.
The quantity of layback spring 110 is preferably two or four, respectively centered by longitudinal center's axis of fixing square frame 105, is symmetrical set.
Because the spacing of the left and right sides of fixing square frame 105 and support 203 is comparatively large, different according to the elastic property of layback spring 110 or layback rubber band etc., the length of layback spring 110 or layback rubber band generally gets 40 ~ 80mm.
As replacement, the quantity of layback spring 110 also can be the six roots of sensation or many, and layback spring 110 also can be replaced layback rubber band or other elastomeric materials, all within protection domain of the present utility model.
Above-mentioned shaking screen separating device is detachable to be arranged in fixing square frame 105, and can form an overall structure with fixing square frame 105.
The fixed form of above-mentioned shaking screen separating device in fixing square frame 105 is a prior art, and as arranged the fixed bar 106 that at least one height can be elevated above shaking screen separating device, the hem width of fixed bar 106 is preferably not less than 20mm.
Every root fixed bar 106 is all contained on corresponding support 203 by slip ring 107 slip cap, and the side of each slip ring 107 is provided with a fixed screw 108, can realize the locking to fixed bar 106 height by degree of tightness fixed screw 108.
Above-mentioned fixed bar 106 is preferably one, parallels with the long limit of triangle of top board 201 or base plate 204.Certainly, fixed bar 106 also can be two, arranges, also can be three or many in cross, increases the contact area with shaking screen separating device, fixing more firm, all within protection domain of the present utility model.
Further, the upper of fixing square frame 105 all wraps up one deck padded coaming below and outside fixed bar 106, and this padded coaming can be rubber, silica gel or other elastomeric cushion materials.
Above-mentioned shaking screen separating device can be screen system, also can be vibration case system.
When shaking screen packing is set to screen system, screen system comprises screen cloth lid 301, standard screen 302 and screen cloth chassis 303.Standard screen 302 directly can buy the standard screen that existing diameter is 10cm and 20cm, therefore without the need to special facture.
When sieving, by different combination of screens, can several functions be realized, flexible and efficient.As when to use simultaneously screen cloth lid 301, standard screen 302 and screen cloth chassis 303 time, sample dry screen can be realized; And by increase and decrease standard screen 302, then can carry out multi-stage screening.When only using standard screen 302, sample wet screening can be realized, can be used for water-stable aggregate classifying screen and grading.
When shaking screen packing is set to vibration case system, as shown in Figure 3, vibration case system comprises vibration case top cover 304 and vibration case 306, and vibration case 306 is separated with vibration case top cover 304, and the box height of vibration case 306 is lower, about about 50mm.
Be criss-cross arranged in vibration case 306 some vibration fixing springs 305, thus form several fixing holes, can place polytype sealing with batch same size vibration container, expand the scope of application in fixing hole.
The top of above-mentioned fixing square frame 105 is fixedly installed a vertical gear bar 103, and this gear bar 103 passes from top board 201, preferably passes from slip guide hole 202.
The length of gear bar 103 middle gear part is preferably 40mm, and the below of gear bar 103 middle gear part is thin handle structure, and the length of thin handle is generally not less than 80mm, and thin handle passes from from slip guide hole 202, and has just been connected on the top margin mid point of fixing square frame 105.Without under load situation, the length that thin handle is positioned under top board 201 is preferably 40mm, and the length that thin handle is positioned on top board 201 is also preferably 40mm.
The top of above-mentioned bracing frame is fixedly installed a partial gear 102 and motor 101, and partial gear 102 is preferably by motor 101 Electronic control, and partial gear 102 can be meshed with gear bar 103.
Distance between motor 101 and top board 201 is preferably 40mm.The top of motor 101 is provided with a speed governing knob 100, has adjustment scale, can control switch and the speed governing of motor 101, and motor 101 turning cylinder has vertically just been connected to the center of circle of partial gear 102.
Above-mentioned partial gear 102 is controlled by motor 101, and motor 101 realizes its speeds control by speed governing knob 100, can meet different screening and vibration requirement.
In addition, above-mentioned motor 101 is arranged on topmost with electric device such as speed governing knob 100 grade, when carrying out wet screening, can ensure safety, prevent wet water short circuit and electric shock.
The outer perimeter of above-mentioned partial gear 102 middle gear part is preferably 40mm, and also namely the peak swing of vertical impulse movement is 40mm.Center of circle angle corresponding to partial gear 102 middle gear part is less than or equal to 180 °, and be preferably 180 °, be also 1/2nd gears, the diameter of 1/2nd gears is preferably 12.73mm.
The rotational speed regulation scope of motor 101 is 0 ~ 100 rev/min, and accordingly, the resilience time of elastomeric element is less than or equal to 0.6 second.
Above-mentioned partial gear 102, gear bar 103 form vertical pulse driving device jointly with several elastomeric elements; The overall structure that above-mentioned shaking screen separating device and fixing square frame 105 form, can carry out the vertical impulse movement of periodic under the effect of vertical pulse driving device.
A using method for the electronic shaking screen extension set of vertical pulsed, comprises the following steps:
The first step, need sieve sample or be equipped with needs the sealing of oscillation sample vibration container to be placed in shaking screen separating device.
When sieving, according to the object of screening, first select different combination of screens.As, use screen cloth lid 301, mark
When accurate sieve 302, screen cloth chassis 303, sample dry screen can be realized; And by increase and decrease standard screen 302, can multi-stage screening be carried out.When only using standard screen 302, sample wet screening can be realized, can be used for water-stable aggregate classifying screen and grading.
Then, then need sample be sieved, and after the pre-treatments such as impurity elimination, preliminary grinding, finally put into standard screen 302, and the buckle up and down of screen system is stablized.
When vibrating, first will the hybrid solid sample of vibration mixing, mixed fluid sample or solid-liquid biased sample be needed to load sealing vibration container, sealing.The sealing vibration container of same batch processed same size, different batches process can use the sealing vibration container of different size.
Then, by the sealing of good seal vibration container, be placed in vibration case 306 by vibration fixing spring
305 fixing holes formed are interior and fixing.
Second step, built-in oscillation screening plant: shaking screen separating device is placed on fixing square frame 105 interior and fixing, makes shaking screen separating device and fixing square frame 105 form overall structure.
Unclamp fixed screw 108, lift fixed bar 106, shaking screen separating device ready in the first step is placed on the base of fixing square frame 105, the bottom of the diameter of shaking screen separating device or center line and fixing square frame 15 coincides, put down fixed bar 106, compress, tighten fixed screw 108, shaking screen separating device is fixed in fixing square frame 105.
In this step, when shaking screen packing is set to screen system, when also namely carrying out screening operation, need according to screening object, first selected working environment.During as needed dry screen, selected spacious, dry environment; Wet screening, is placed in bucket or tank, and when device is in busy hour, water surface outline is lower than the upper limb of screen system.
3rd step, vertical impulse movement: partial gear rotates, and driven wheel bar carries out elevating movement; The overall structure formed in second step, drives in the lifting of partial gear 102 and gear bar 103, and under the acting in conjunction of elastomeric element elastic force, vertically will carry out periodic impulse movement.
First start motor 101, adjusting rotary speed, specific as follows:
When sieving, by speed governing knob 100 starter motor 101, according to different test requirements documents, carry out the setting of different rotating speeds.Preferably, when carrying out dry screen, rotating speed is 30 ~ 60 revs/min, and the working time is 1 ~ 3 minute; When carrying out wet screening, rotating speed is 20 ~ 30 revs/min, and the working time is 3 ~ 5 minutes.
When vibrating, by speed governing knob 100 starter motor 101, according to different test requirements documents, carry out the setting of different rotating speeds.Vibration rotating speed is preferably adjusted to 20 ~ 100 revs/min.
Vertical impulse movement principle is as follows:
1. before half period-at the uniform velocity move downward
Partial gear 102 driven wheel bar 103 moves downward, and makes the downward uniform motion of overall structure formed in second step, 0-1/2T as shown in Figure 4.Now, elastomeric element accumulation potential energy.
In the process:
1) when carrying out screening operation, fully can be separated sieving sample with screen cloth, and make sample maximize diffusion.
2) when carrying out vibration operation, can fully sample separation (or mixture of leaching liquor and sample) to vibrate container with sealing.
2. later half cycle-pulse upwards vibrates
When the gear parts of partial gear 102 departs from from gear bar 103, above-mentioned overall structure is by under the effect of elastomeric element, and spring members discharges potential energy, upwards pulsed resilience, 1/2T-T as shown in Figure 4, thus the vertical impulse movement cycle that formation one is complete.
In the process:
1) when carrying out screening operation, the relative velocity of sample and screen cloth can be increased, improving screening efficiency.
2) when carrying out vibration operation, sample can be made to maximize diffusion, form homogeneous mixture (or suspension), realize fully mixing, improve oscillation efficiency.
3. periodic moves back and forth: when the gear parts of partial gear is meshed with gear bar again, will carry out the next vertical impulse movement cycle, T-2T as shown in Figure 4, moves and so forth.
Above-mentioned vertical pulsed motion, achieves shaking screen separating device uniform descent and the unification of impulse hunting time up, avoids regular movement, thus improves screening and the efficiency of vibrating and effect.
4th step, dismounting shaking screen separating device: according to object requirement, after reaching predetermined sieving time or screening/oscillation effect, disable motor 101, the shaking screen separating device three steps being completed vertical impulse movement is dismantled.
5th step, by the sample of screening in the shaking screen separating device after dismounting or oscillation sample taking-up, uses in order to subsequent analysis.When sieving, dry screen directly can pour out the sample in standard screen 302, and wet screening will wash out the sample in standard screen 302, and dries.
6th step, cleans the shaking screen separating device completing screening or vibration in the 5th step, and preserves.
More than describe preferred embodiment of the present utility model in detail; but; the utility model is not limited to the detail in above-mentioned embodiment; within the scope of technical conceive of the present utility model; can carry out multiple equivalents to the technical solution of the utility model, these equivalents all belong to protection domain of the present utility model.
Claims (8)
1. the electronic shaking screen extension set of vertical pulsed, is characterized in that: comprise bracing frame, fixing square frame, vertical pulse driving device and shaking screen separating device, support frame as described above comprises top board, base plate and is arranged at some supports between top board and base plate; Described fixing square frame is arranged at the inside of bracing frame, and is fixedly connected with bracing frame by several elastomeric elements; The top of described fixing square frame is fixedly installed a vertical gear bar, and this gear bar passes from described top board; The top of support frame as described above is fixedly installed the partial gear of an Electronic control, and this partial gear can be meshed with described gear bar; Described partial gear, gear bar and several elastomeric elements form described vertical pulse driving device jointly; Described shaking screen separating device is detachable to be arranged in fixing square frame, and can form an overall structure with fixing square frame, and this overall structure carries out the vertical impulse movement of periodic under the effect of vertical pulse driving device.
2. the electronic shaking screen extension set of vertical pulsed according to claim 1, it is characterized in that: described top board and base plate are triangle, described support has three, is separately positioned on three corner points of top board and base plate.
3. the electronic shaking screen extension set of vertical pulsed according to claim 2, is characterized in that: isosceles triangle equal sized by described top board and base plate, described gear bar passes from the central spot on the long limit of the triangle of top board.
4. the electronic shaking screen extension set of vertical pulsed according to claim 1, it is characterized in that: each described elastomeric element is vertical supporting spring, every one end of root vertical supporting spring is fixedly connected with the top margin of fixing square frame or base, and the other end of every root vertical supporting spring is fixedly connected with top board or base plate.
5. the electronic shaking screen extension set of vertical pulsed according to claim 1, it is characterized in that: each described elastomeric element is layback spring or layback rubber band, one end of every root layback spring or layback rubber band is fixedly connected with the sidepiece of fixing square frame, and the other end of every root layback spring or layback rubber band is fixedly connected with corresponding support.
6. the electronic shaking screen extension set of vertical pulsed according to claim 1, is characterized in that: the outer perimeter of described partial gear middle gear part is 40mm.
7. the electronic shaking screen extension set of vertical pulsed according to claim 6, is characterized in that: described partial gear is 1/2nd gears, the diameter of 1/2nd gears is 12.73mm.
8. the electronic shaking screen extension set of vertical pulsed according to claim 1, is characterized in that: described shaking screen packing is set to screen system or vibration case system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520522268.1U CN205165172U (en) | 2015-07-17 | 2015-07-17 | Electronic shaking screen extension of vertical pulsed |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520522268.1U CN205165172U (en) | 2015-07-17 | 2015-07-17 | Electronic shaking screen extension of vertical pulsed |
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| CN205165172U true CN205165172U (en) | 2016-04-20 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105170457A (en) * | 2015-07-17 | 2015-12-23 | 中国科学院南京土壤研究所 | Vertical pulse type electric vibrating and screening machine and use method thereof |
| CN109351601A (en) * | 2018-10-25 | 2019-02-19 | 浙江润达检测科技有限公司 | A kind of jarring formula standard vibrating sieving machine |
-
2015
- 2015-07-17 CN CN201520522268.1U patent/CN205165172U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105170457A (en) * | 2015-07-17 | 2015-12-23 | 中国科学院南京土壤研究所 | Vertical pulse type electric vibrating and screening machine and use method thereof |
| CN109351601A (en) * | 2018-10-25 | 2019-02-19 | 浙江润达检测科技有限公司 | A kind of jarring formula standard vibrating sieving machine |
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