CN204359548U - A kind of engineering is gathered materials inquartation self-actuated sampler - Google Patents
A kind of engineering is gathered materials inquartation self-actuated sampler Download PDFInfo
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- CN204359548U CN204359548U CN201520032851.4U CN201520032851U CN204359548U CN 204359548 U CN204359548 U CN 204359548U CN 201520032851 U CN201520032851 U CN 201520032851U CN 204359548 U CN204359548 U CN 204359548U
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Abstract
The utility model discloses a kind of engineering to gather materials inquartation self-actuated sampler, comprise fixing bucket, described fixing bucket both ends open, is disposed with mixing device, reduction device and gathering-device from top to bottom in described fixing bucket; Space is left between described mixing device and reduction device; Described gathering-device is supported on the below of reduction device; The below of described fixing bucket is provided with quality control apparatus; Engineering to be gathered materials by mixing device and stir, what stir gathers materials after reduction device, enters gathering-device and collects, and obtains the aggregate sample after division.Device of the present utility model can ensure continuity during division, whole sample globality in the process of division is not destroyed, and greatly can improves the efficiency of division.
Description
Technical field
The utility model belongs to the sampling division field of material, relates to a kind of engineering and to gather materials inquartation self-actuated sampler.
Background technology
During road construction, correct and accurate application of gathering materials is the pith ensureing quality of road construction, and the misapplication that gathers materials, aggregate grading are inaccurate directly will cause road disease.But in practice of construction, the control of gathering materials with manage not science, the quality causing road final is also unsatisfactory.In this case, what road adopted gather materials carries out sampling and to detect and sampling is carried out testing and just become very necessary.The rationality of accurate guarantee sample with representative become sampling time the crucial problem that will consider, also become and to detect and can experiment reflect the very crux of problem.
Domestic and international specification is carried out curtailed sampling and is adopted tripper method and artificial inquartation two kinds of methods for gathering materials.Tripper method also exists and is difficult to guarantee and gathers materials distributed uniform, and efficiency is low and require higher problem to own situation of gathering materials, and thus applicability is lower.Manually carry out inquartation and inevitably produce certain randomness, unevenness, and in sample gather materials test time can there is the situations such as segregation.In addition, these two kinds of methods do not obtain final required sample size by entirety constantly division, as sample size 50g before division, finally need about 20g then can not to obtain by overall division 50g.The parent larger concerning amount, all may there is deviation in the detection of sample to the control of aggregate grading and sample that these two kinds of methods obtain, likely make to occur deviation to the control of construction quality.Even sometimes, obviously construction quality does not change, as: the composition that gathers materials does not become, but due to the mistake of inquartation, may cause the mistake of result.If this kind of phenomenon occurs in During Initial Stage Construction, the Wrong control to engineering may be caused; If occur in testing stage, some engineerings there will be for ensureing smooth examination, and make data untrue.Therefore, design one is gathered materials distributed uniform, strong adaptability, and the sampler improving division efficiency and division precision seems particularly important.
Summary of the invention
For above-mentioned problems of the prior art and defect, the purpose of this utility model is, provides a kind of engineering to gather materials inquartation self-actuated sampler.
To achieve these goals, the utility model is by the following technical solutions:
A kind of engineering is gathered materials inquartation self-actuated sampler, and comprise fixing bucket, described fixing bucket both ends open, be provided with mixing device in described fixing bucket, the below of mixing device is provided with reduction device; Space is left between described mixing device and reduction device; Supported by gathering-device below described reduction device;
The below of described fixing bucket is provided with quality monitoring device.
Further, described mixing device comprises mixer cone, and described mixer cone upper port place is provided with cover plate, is provided with charging aperture in the middle part of cover plate; Be connected with multiple stirrer below cover plate, below stirrer, be provided with mix dish; Mix room is formed between mix dish and cover plate;
Described stirrer comprises shaft and is distributed in the multiple blades on shaft;
Described mix dish comprises disk body and is evenly distributed on multiple web members of disc perimeter, and there is gap between adjacent two web members, mix dish is connected by web member and mixer cone inwall; Mixer cone lower end arranges discharging opening.
Further, in the mixer cone below described mix dish, rotatable hopper is installed; Mix tray bottom is provided with the first turning axle, and the first turning axle is driven by motor, can coil own axis relative to mix; Rotatable hopper top is connected by multiple revolving rod and the first turning axle.
Described rotatable hopper inwall is evenly equipped with multiple swirl vanes in one week.
Further, described reduction device comprises downslide centrum, and described downslide centrum top is plane, this plane is provided with rotating water square position, and described rotating water square position can relative to downslide Vertebral rotation, and square position is provided with rotating vane to rotating water; Described rotating water square position is just to described discharging opening.
Further, described gathering-device comprises gathering barrel, described gathering barrel open top, and gathering barrel center is provided with back-up block;
Described back-up block sidewall circumference is uniformly distributed 4 separators, and gathering barrel is divided into four parts by described separator; Glide described in described back-up block upper support centrum, and the diameter of downslide centrum base circumference is less than the diameter of gathering barrel.
Further, described separator comprises baffle plate and closure bar, and the two is structure as a whole, and described baffle plate is connected with described back-up block sidewall, and it is fan-shaped cylinder that described closure bar comprises xsect, and cylinder end face is consolidated with a triangular pyramid; The curved wall of cylinder and the inwall of gathering barrel fit.
Further, clearance control plate is horizontally installed with in the middle part of described fixing bucket, described clearance control plate center is provided with through hole, and the through hole of clearance control plate is passed in the upper end of described downslide centrum, and described clearance control plate is arranged on the inwall of fixing bucket by least two apparatus for automatically lifting.
Further, described fixing bucket inside is provided with the first back up pad and the second back up pad, and the discharging opening of described mixer cone is from top to bottom successively through the first back up pad and the second back up pad, and mixer cone and the first back up pad and the second back up pad are connected.
Further, described quality monitoring device adopts electronic scales, and described electronic scales is provided with display screen.
Compared with prior art, the utility model has following technique effect:
1, continuity when device of the present utility model can ensure division, makes whole sample globality in the process of division not be destroyed, and greatly can improve the efficiency of division.
2, mixing device of the present utility model makes the engineering abundant mix that gathers materials reach even, can ensure that the sample that division goes out is representative.
3, the utility model is by regulating the rotational speed of mixing device and reduction device, thus the dissimilar engineering of division is gathered materials, and applicability is strong.
4, the utility model arranges quality control apparatus, can control exactly to obtain final required sample size, improves the degree of accuracy of division result.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of stirrer;
Fig. 3 is the structural representation of mix dish;
Fig. 4 is the position relationship schematic diagram of revolving rod and rotatable hopper;
Fig. 5 is the vertical view of swirl vanes;
Fig. 6 be rotating water square position and rotating vane structural representation;
Fig. 7 is the position relationship schematic diagram of downslide centrum and clearance controller;
Fig. 8 is gathering barrel inner structure schematic diagram;
Fig. 9 is the structural representation of closure bar;
Number in the figure represents: 1-cover plate, 2-charging aperture, 3-mix room, 4-fixing bucket, 5-stirrer, 6-mixer cone, 7-revolving rod, 8-rotatable hopper, 9-mix dish, 10-window, 11-discharging opening, 12-clearance control plate, 13-rotating water square position, 14-rotating vane, 15-apparatus for automatically lifting, 16-downslide centrum, 17-gathering barrel, 18-separator, 19-electronic scales, 20-display screen, 21-the first back up pad, 22-the second back up pad, 23-disk body, 24-web member, 25-blade, 26-swirl vanes, 27-back-up block, 28-baffle plate, 29-closure bar, 30-the first turning axle, 31-shaft, 32-cylinder, 33-triangular pyramid.
Below in conjunction with drawings and Examples, explanation detailed further and explanation are done to scheme of the present utility model.
Embodiment
Below provide specific embodiment of the utility model, it should be noted that the utility model is not limited to following specific embodiment, all equivalents done on technical scheme basis all fall into protection domain of the present utility model.
Defer to technique scheme, as shown in Figure 1, engineering of the present utility model is gathered materials inquartation self-actuated sampler, and comprise fixing bucket 4, described fixing bucket 4 both ends open, be provided with mixing device in described fixing bucket 4, the below of mixing device is provided with reduction device; Leave space between described mixing device and reduction device, can 80mm ~ 100mm be set to, engineering is gathered materials and can enter reduction device smoothly from mixing device; Supported by gathering-device below described reduction device; The below of described fixing bucket 4 is provided with quality monitoring device.Alternatively, fixing bucket height is 1800mm ~ 2200mm.
Alternatively, described mixing device comprises mixer cone 6, and described mixer cone 6 upper port place is provided with cover plate 1, is provided with charging aperture 2 in the middle part of described cover plate 1; Multiple stirrer 5 is connected with below cover plate 1, mix dish 9 is provided with below stirrer 5, as shown in Figure 3, gap is left between stirrer 5 and mix dish 9, be set to 0.008mm ~ 0.012mm, be convenient to engineering gather materials and can move freely on mix dish 9, engineering is gathered materials fully can be stirred by stirrer 5.
Described stirrer 5 comprises shaft 31 and is distributed in the multiple blades 25 on shaft 31, as shown in Figure 2.
Stirrer 5 can arrange 4 ~ 6, be evenly distributed on one week of mix dish 9, shaft 31 is rotatable under the control of external motor, and band moving vane 25 rotates, compound on mix dish 9 all can be sufficiently agitated, and prevent the blade 25 even crowded metaling of collision mutually; Gap on each stirrer 5 between adjacent blades 25 is not less than 8cm, is stuck in case gather materials; Mix room 3 is formed between mix dish 9 and cover plate 1; When stirrer 5 mixing engineering gathers materials, mix dish 9 can play the effect supporting and gather materials.
Described mix dish 9 comprises disk body 23 and is evenly distributed on multiple web members 24 of disk body 23 periphery, there is gap between adjacent two web members 24, and mix dish 9 is connected by web member 24 and mixer cone 6 inwall; Mixer cone 6 lower end arranges discharging opening 11.
Described web member 24 can arrange 4 ~ 8, and the engineering after stirrer 5 stirs is gathered materials can be fallen by the gap between web member 24, enters discharging opening 11.
Alternatively, described stirrer 5 is highly 310mm ~ 330mm, and described discharging opening 11 is highly 260mm ~ 280mm, and diameter is 90mm ~ 110mm, and described charging aperture 2 diameter is 130mm ~ 150mm.
Alternatively, in the mixer cone 6 below described mix dish 9, rotatable hopper 8 is installed; First turning axle 30, first turning axle 30 is installed bottom mix dish 9 driven by motor, can relative to mix dish 9 around own axis; Rotatable hopper 8 top is connected by multiple revolving rod 7 and the first turning axle 30.As shown in Figure 4, the first turning axle 30 is rotated relative to mixer cone by revolving rod 7 driven rotary funnel under the driving of motor.
Described revolving rod 7 can arrange 3 ~ 5, can ensure that rotatable hopper 8 is under the drive of revolving rod 7, rotates relative to mixer cone 6.
Described rotatable hopper 8 inwall is evenly equipped with multiple swirl vanes 26 for one week; Described swirl vanes 26 is arc, is provided with 7 ~ 9, and each blade 26 is all to rotatable hopper 8 center convergence, as shown in Figure 5.The thickness of swirl vanes 26 diminishes along its length from top to bottom gradually, and this is the situation that the space in order to adapt to rotatable hopper 8 diminishes from top to bottom gradually; The thickness maximum of swirl vanes 26 is 70mm ~ 80mm, and the minimum place of thickness is 10mm ~ 20mm, can prevent bottom rotatable hopper 8 without enough space distribution swirl vanes.
After engineering is gathered materials and entered mixer cone 6 from charging aperture 2, under the acting in conjunction of stirrer 5 and swirl vanes 26, mix is even.Gather materials in mix room 3 after stirrer 5 tentatively mixes and stirs, the limitation leaving standstill and stir due to compound thoroughly can not solve the segregation problem that thickness in compound is gathered materials, drop to mixing and stirring further of swirl vanes 26 place at it, compound uniform mixing before division can be made better.
Alternatively, described reduction device comprises downslide centrum 16, described downslide centrum 16 top is plane, this plane is provided with rotating water square position 13, described rotating water square position 13 can rotate relative to downslide centrum 16, rotating water square position 13 is provided with rotating vane 14, and rotating vane 14 is made up of four blades at the center of intersecting at, and adjacent two blades are mutually vertical, as shown in Figure 6; Described rotating water square position 13 is just to described discharging opening 11.
The conical surface of described downslide centrum 16 is fold-line-shaped, the speed when turning point of the conical surface conical surface that can reduce a little to gather materials along downslide centrum 16 falls, the conical surface that inclined degree changes simultaneously also can better make to start not to be attached to glide gathering materials along the conical surface on the conical surface; Downslide centrum 16 inside is provided with as rotating water square position 13 provides the motor of power.The below of rotating water square position 13 is provided with the second turning axle, can rotate under the drive of the motor of downslide centrum 16 inside, thus the rotation of driven rotary horizontal plate 13.
Optionally, described downslide cone 16 is highly 520mm ~ 540mm.
The rotating vane 14 that rotarily drives of rotating water square position 13 rotates, the engineering fallen from discharging opening 11 can be gathered materials and is divided into four parts by the rotation of rotating vane 14, and in rotary course, apply power on engineering is gathered materials, be convenient to engineering and gather materials on the conical surface dropping to downslide centrum 16 as much as possible; The rotation direction of rotating water square position 13 is contrary with the rotation direction of swirl vanes 26, can the enhancement engineering randomness of gathering materials when gliding along downslide centrum 16 conical surface and be divided into four parts, reaches the object of even division sample; The conical surface gathered materials along downslide cone 16 can be made to fall by the speed adjusting rotating water square position 13.
Alternatively, as shown in Fig. 1, Fig. 8, described gathering-device comprises gathering barrel 17, the open top of described gathering barrel 17, and gathering barrel 17 center is provided with back-up block 27.
Described back-up block 27 sidewall circumference is uniformly distributed 4 separators 18, and gathering barrel 17 is divided into A, B, C and D tetra-part by described separator 18; Glide described in described back-up block 27 upper support centrum 16.
Engineering is gathered materials by after downslide centrum 16, falls into gathering barrel 17 inner, and is divided into four parts by separator 18.
Alternatively, as shown in Figure 8, Figure 9, described separator 18 comprises baffle plate 28 and closure bar 29, the two is structure as a whole, described baffle plate 28 is connected with described back-up block 27 sidewall, and it is fan-shaped cylinder 32 that described closure bar 29 comprises xsect, and cylinder 32 end face is consolidated with a triangular pyramid 33; The curved wall of cylinder 32 and the inwall of gathering barrel 17 fit.The corner that closure bar 29 can prevent from engineering from gathering materials falling into separator 18 and gathering barrel 17 to be formed and cannot taking out, and the conical surface of triangular pyramid 33 can prevent engineering from gathering materials falls in closure bar 29, makes division result occur error.
The diameter of described downslide centrum 16 base circumference is less than the diameter of gathering barrel 17, and is greater than the diameter of back-up block 27, can fall into gathering barrel 17 inside completely to ensure to gather materials through the engineering of downslide centrum 16.
Alternatively, described gathering barrel 17 is highly 190mm ~ 210mm, and diameter is 1050mm ~ 1100mm.
Alternatively, as shown in Figure 7, be horizontally installed with clearance control plate 12 in the middle part of described fixing bucket 4, described clearance control plate 12 center is provided with through hole, and the through hole of clearance control plate 12 is passed in the upper end of described downslide centrum 16; Described clearance control plate 12 is arranged on the inwall of fixing bucket 4 by least two apparatus for automatically lifting 15, and it can move up and down along the inwall of fixing bucket 4.Described apparatus for automatically lifting 15 can adopt gear drive lifting device or hydraulic lift etc.The height and position of clearance control plate 12 in fixing bucket 4 is regulated by apparatus for automatically lifting 15, regulate the horizontal range between itself and the conical surface of downslide centrum 16, the gliding speed on the conical surface of downslide centrum 16 thus control engineering is gathered materials, the dissimilar engineering of division is gathered materials, and applicability is strong.
Alternatively, described fixing bucket 4 inside is provided with the first back up pad 21 and the second back up pad 22, the discharging opening 11 of described mixer cone 6 is from top to bottom successively through the first back up pad 21 and the second back up pad 22, and mixer cone 6 and the first back up pad 21 and the second back up pad 22 are connected.First back up pad 21 and the second back up pad 22 common support mixer cone 6, ensures the stability of swirl vanes 14 mixer cone 6 in rotation process.
Alternatively, the thickness of described cover plate 1 is reduced to center successively by edge, can prevent engineering from gathering materials when pouring charging aperture 2 into and occur spilling.
Alternatively, described quality monitoring device can adopt electronic scales 19, and described electronic scales 19 is provided with display screen 20.The quality that engineering that division obtains is gathered materials can be controlled accurately and at any time.
Alternatively, described fixing bucket 4 sidewall is provided with window 10 and button.Clean the discarded object in sampler by window 10, conveniently sampler of the present utility model is safeguarded.
Engineering of the present utility model is gathered materials inquartation self-actuated sampler, and its specific works process is as follows:
1) checkout facility, cleans the discarded object in the utility model device by window 10, and is returned to zero by electronic scales 19.
2) in charging aperture 2, pour engineering into gather materials, the volume that engineering is gathered materials accounts for the half of mix room 3; Press the button and make stirrer 5 start to rotate, in stirrer 5 rotation process, the engineering gap gathered materials between web member 24 drops in rotatable hopper 8.
3) button is regulated to make rotatable hopper 8 start to rotate, the particle size of the quality of gathering materials according to division and the middle Dominant particle that gathers materials, the rotational speed of adjustment swirl vanes 26; To lasting division sample, then keep rotatable hopper 8 to rotate all the time, otherwise can gather materials all by X button after discharging opening 11 in engineering.
4) while engineering is gathered materials and dropped to rotatable hopper 8 gradually, regulate button to make rotating water square position 13 start to rotate along the direction contrary with rotatable hopper 8 sense of rotation, the conical surface that engineering is gathered materials along downslide cone 16 falls.The rotational speed of rotating water square position 13 can control flexibly according to the particle size of sample, usually remains on about 200r/min; If when sample is fine aggregate, its rotating speed is comparatively large, if sample is coarse aggregate, then rotating speed is less.In addition, suitably can regulate velocity of rotation according to screening speed of gathering materials, but rotational speed should not be too large, in case aggregate crusher.
According to sieve the quality of gathering materials particle size that is how many and main composition particle in gathering materials, adjustment apparatus for automatically lifting 15 and then regulate the position of clearance control plate 12, the falling speed that control engineering is gathered materials.
5) gathering materials in gathering barrel 17 is processed at set intervals, first adjusting apparatus for automatically lifting 15 during process makes the horizontal range between clearance control plate 12 and downslide centrum 16 be zero, as shown in Figure 7, even if the taper-face contact of clearance control plate 12 and downslide centrum 16.The concrete speed that rotates according to gathering materials interval time of process of gathering materials with gather materials specie size and determining, under normal circumstances, gather materials start to sieve time, remain on 1 ~ 2min process once, making to gather materials drops to 1/3 to 1/2 of gathering barrel volume.Speed up processing is answered, to ensure the degree of accuracy of final gained quality in the later stage of screening.Then again pour charging aperture 2 into by A and C or by gathering materials in B and D, remaining another part is waste material and gives up.Usually using A and C and B and D two parts successively as waste material.
6) again pour into or newly pour the engineering of mixing and stirring room 3 into and gather materials and to repeat by above-mentioned steps.Often namely process waste material observes the data on the display screen 20 of primary electron scale 19, until when display quality is close to required final sample quality, collect whole the gathering materials of A, B, C, D part in gathering barrel 17, the sample they be mixed to get is the sample obtained by device division of the present utility model.
Claims (9)
1. engineering is gathered materials an inquartation self-actuated sampler, and comprise fixing bucket (4), described fixing bucket (4) both ends open, is characterized in that,
Be provided with mixing device in described fixing bucket (4), the below of mixing device is provided with reduction device; Space is left between described mixing device and reduction device; Supported by gathering-device below described reduction device;
The below of described fixing bucket (4) is provided with quality monitoring device.
2. engineering as claimed in claim 1 is gathered materials inquartation self-actuated sampler, it is characterized in that, described mixing device comprises mixer cone (6), described mixer cone (6) upper port place is provided with cover plate (1), and cover plate (1) middle part is provided with charging aperture (2); Cover plate (1) below is connected with multiple stirrer (5), and stirrer (5) below is provided with mix dish (9); Mix room (3) is formed between mix dish (9) and cover plate (1);
Described stirrer (5) comprises shaft (31) and is distributed in the multiple blades (25) on shaft (31);
Described mix dish (9) comprises disk body (23) and is evenly distributed on multiple web members (24) of disk body (23) periphery, there is gap between adjacent two web members (24), mix dish (9) is connected by web member (24) and mixer cone (6) inwall; Mixer cone (6) lower end arranges discharging opening (11).
3. engineering as claimed in claim 2 is gathered materials inquartation self-actuated sampler, it is characterized in that, is provided with rotatable hopper (8) in the mixer cone (6) of described mix dish (9) below; Mix dish (9) bottom is provided with the first turning axle (30), and the first turning axle (30) is driven by motor, can relative to mix dish (9) around own axis; Rotatable hopper (8) top is connected by multiple revolving rod (7) and the first turning axle (30);
Described rotatable hopper (8) inwall is evenly equipped with multiple swirl vanes (26) for one week.
4. engineering as claimed in claim 2 is gathered materials inquartation self-actuated sampler, it is characterized in that, described reduction device comprises downslide centrum (16), described downslide centrum (16) top is plane, this plane is provided with rotating water square position (13), described rotating water square position (13) can rotate relative to downslide centrum (16), rotating water square position (13) is provided with rotating vane (14); Described rotating water square position (13) is just to described discharging opening (11).
5. engineering as claimed in claim 4 is gathered materials inquartation self-actuated sampler, it is characterized in that, described gathering-device comprises gathering barrel (17), described gathering barrel (17) open top, and gathering barrel (17) center is provided with back-up block (27);
Described back-up block (27) sidewall circumference is uniformly distributed 4 separators (18), and gathering barrel (17) is divided into four parts by described separator (18); Glide described in described back-up block (27) upper support centrum (16), and the diameter of downslide centrum (16) base circumference is less than the diameter of gathering barrel (17).
6. engineering as claimed in claim 5 is gathered materials inquartation self-actuated sampler, it is characterized in that, described separator (18) comprises baffle plate (28) and closure bar (29), the two is structure as a whole, described baffle plate (28) is connected with described back-up block (27) sidewall, it is fan-shaped cylinder (32) that described closure bar (29) comprises xsect, and cylinder (32) end face is consolidated with a triangular pyramid (33); The curved wall of cylinder (32) and the inwall of gathering barrel 17 fit.
7. engineering as claimed in claim 4 is gathered materials inquartation self-actuated sampler, it is characterized in that, described fixing bucket (4) middle part is horizontally installed with clearance control plate (12), described clearance control plate (12) center is provided with through hole, the through hole of clearance control plate (12) is passed in the upper end of described downslide centrum (16), and described clearance control plate (12) is arranged on the inwall of fixing bucket (4) by least two apparatus for automatically lifting (15).
8. engineering as claimed in claim 2 is gathered materials inquartation self-actuated sampler, it is characterized in that, described fixing bucket (4) inside is provided with the first back up pad (21) and the second back up pad (22), the discharging opening (11) of described mixer cone (6) is from top to bottom successively through the first back up pad (21) and the second back up pad (22), and mixer cone (6) is connected with the first back up pad (21) and the second back up pad (22).
9. engineering as claimed in claim 1 is gathered materials inquartation self-actuated sampler, and it is characterized in that, described quality monitoring device adopts electronic scales (19), described electronic scales (19) is provided with display screen (20).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520032851.4U CN204359548U (en) | 2015-01-16 | 2015-01-16 | A kind of engineering is gathered materials inquartation self-actuated sampler |
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| CN201520032851.4U CN204359548U (en) | 2015-01-16 | 2015-01-16 | A kind of engineering is gathered materials inquartation self-actuated sampler |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104614198A (en) * | 2015-01-16 | 2015-05-13 | 长安大学 | Quartering based automatic sampler for engineering aggregate and sampling method of engineering aggregate |
| CN105905627A (en) * | 2016-05-31 | 2016-08-31 | 镇江市建科工程质量检测中心有限公司 | Aggregate distributor |
| CN110252636A (en) * | 2019-05-10 | 2019-09-20 | 安徽省煤炭科学研究院 | A kind of mixed coal division sample preparation all-in-one machine |
-
2015
- 2015-01-16 CN CN201520032851.4U patent/CN204359548U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104614198A (en) * | 2015-01-16 | 2015-05-13 | 长安大学 | Quartering based automatic sampler for engineering aggregate and sampling method of engineering aggregate |
| CN104614198B (en) * | 2015-01-16 | 2017-04-12 | 长安大学 | Quartering based automatic sampler for engineering aggregate and sampling method of engineering aggregate |
| CN105905627A (en) * | 2016-05-31 | 2016-08-31 | 镇江市建科工程质量检测中心有限公司 | Aggregate distributor |
| CN110252636A (en) * | 2019-05-10 | 2019-09-20 | 安徽省煤炭科学研究院 | A kind of mixed coal division sample preparation all-in-one machine |
| CN110252636B (en) * | 2019-05-10 | 2021-12-24 | 安徽省煤炭科学研究院 | Coal blending, dividing and sample preparation all-in-one machine |
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Granted publication date: 20150527 Termination date: 20160116 |
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