CN105890934A - Blanking flow sampling device - Google Patents
Blanking flow sampling device Download PDFInfo
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- CN105890934A CN105890934A CN201610349764.0A CN201610349764A CN105890934A CN 105890934 A CN105890934 A CN 105890934A CN 201610349764 A CN201610349764 A CN 201610349764A CN 105890934 A CN105890934 A CN 105890934A
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- splicing
- flitch
- discharging opening
- support platform
- support
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N1/20—Devices for withdrawing samples in the liquid or fluent state for flowing or falling materials
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Crushing And Pulverization Processes (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention relates to a blanking flow sampling device. The blanking flow sampling device comprises a support frame, wherein a main lifting mechanism is vertically suspended on the top of the support frame, a supporting cross plate is connected to the lower end of the main lifting mechanism, and two material limiting plates are vertically arranged under the left and right parts of the supporting cross plate in parallel at intervals; a support platform is arranged in the middle of the bottom of the support frame, two conveying rails extending leftwards are arranged on the front and rear side frames of the support platform, and a material receiving trolley is arranged on the conveying rails; and a square material receiving tank is arranged on the material receiving trolley, the top of the material receiving tank is opened, an overturning unloading tank bottom is arranged at the bottom of the material receiving tank, discharging holes are oppositely formed in the middles of the front side wall and the rear side wall of the material receiving tank, and push-pull doors capable of blocking the discharging holes are arranged on the outer sides of the discharging holes. The blanking flow sampling device has the beneficial effects that by increasing an impact shearing function, the sampling process is standard, fair and impartial and completely meets basic sampling requirements, and any bias of a sample is avoided.
Description
Technical field
The present invention relates to a kind of solid material blanking stream sampler and a kind of sampling method, it is applicable to solid material fall the sampling at stream, it is usable at belt head portion blanking stream or at other blanking stream, adapts to the sampling to loose unpacked materials such as coals of the large-scale factories and miness such as power plant, colliery.
Background technology
Current strap sampling machine has two kinds of forms, and one is belt middle (crossing belt) Sampling Machine, and another kind is belt head portion (blanking stream) Sampling Machine.Cross strap sampling machine and be arranged on above belt, its design principle is that the horizontal tunneling boring of sampler timing rotation cuts the mobile stream on belt and obtains sample, the drawback of this Sampling Machine is: 1. for not injuring bottom Sampling belt device and belt palpus holding certain distance, belt bottoms material cannot be taked, when stream is relatively thin, sampler is adopted less than sample, sampling process can not reach sampling request, and sample loses representativeness, causes bias.2. due to sampler be the side from belt start rotate sampling, opposite side be in material in the range of should adopting by the exclusion major part of above material be pushed out belt or clamp-on cannot adopt between sampler opening and baffle plate into, sample can not be made to lose representativeness by sampling request full-section sampling, cause bias.3. sampler opening edge is along not having crushing function, outside in the range of in sampling process, sampler opening edge is simultaneously in along the larger particles touched and should adopt, in the range of sampler cannot the most only be adopted, result be not entirety adopt into, it it is exactly overall the eliminating, sampling process can not arrive sampling request, and sampling loses fair and just, causes sample bias.
nullBelt head portion (blanking stream) Sampling Machine is arranged on belt head portion，Its design principle is that sampler obtains sample with constant speed timing cutting one complete blanking stream cross section transverse，Although this Sampling Machine avoids the first and second two kinds of defects of belt middle sampling machine，The third defect can be equally existed，I.e. sampler opening edge is along not having crushing function，Outside in the range of in sampling process, sampler opening edge is simultaneously in along the larger particles touched and should adopt，In the range of sampler cannot the most only be adopted，Result be not entirety adopt into，It it is exactly overall the eliminating，Sampler opening edge is not only caused sampling bias along the larger particles itself touched by this defect，The most also badly influence the normal sample to material about，Cause the sampling bias of material about，When belt translational speed is constant，The same type of granule of same batch materials，Its kinestate also exists regularity，When sampler is to the larger particles stream sampling concentrated in together，The sample bias great disparity that this defect causes is bigger，Its bias value is unable to estimate，This defect is the main cause of current all of Sampling Machine (including static material Sampling Machine) sampling bias，Sampling whole during to begin to have influence on eventually sample normally adopt into，Sampling process loses fair and just，Sampling request can not be reached，Cause sample bias.This is the key issue that always could not solve since Sampling Machine industry is born.
Summary of the invention
For solving above technical deficiency, the invention provides a kind of sampling accurately, sample does not produce the blanking stream sampler of any bias.
The present invention is achieved by the following measures:
A kind of blanking stream sampler of the present invention, including bracing frame, the suspention of support frame as described above top vertical has main hoist, described main hoist lower end connects support transverse slat, the limit flitch of about two parallel interval it is vertically arranged with below described support transverse slat, it is provided with support platform in the middle of bottom bracing frame, before and after described support platform, side frames is provided with two transmission tracks extended to the left, splicing dolly it is provided with on described transmission track, square splicing case it is provided with on described splicing dolly, described splicing box top is opened wide, splicing bottom portion is provided with at the bottom of upset discharge box, in the middle part of the front side wall of splicing case be provided with in the middle part of rear wall before and after the most relative discharging opening, the sliding door that can block discharging opening it is provided with outside described discharging opening；
The left end of transmission track is to extend to the delivery end outside bracing frame, the delivery end of transmission track is provided with and blocks the left limit block of discharging opening when splicing dolly moves to left to spacing sliding door being stoped to continue to move to left while delivery end, it is provided with on support frame as described above above support platform left end and moves to right in the middle part of splicing dolly and open the right limit block of discharging opening to spacing sliding door being stoped to continue to move to right while between support platform and limit flitch, it is provided with pusher on bracing frame on front side of support platform, described pusher include can before and after discharging opening passes through splicing case the scraping wings of both sides, the sample channel that can dock it is provided with splicing case rear wall top discharge mouth on bracing frame on rear side of support platform.
It is symmetrically arranged with beater mechanism on the support transverse slat of above-mentioned main hoist both sides, described beater mechanism lower end connects the impactor extended to below support transverse slat, described limit flitch is close to inside two impactors, described impactor includes impact bar, described impact bar top is connected with beater mechanism, the shovel flitch of the lower end band edge of shovel it is provided with bottom impact bar, before and after described shovel flitch and limit flitch, width is not less than width before and after splicing case, described limit flitch top rear face is provided with horizontal guide collar, and described impact bar activity runs through guide collar.
The left and right sides, above-mentioned bracing frame top is provided with secondary elevating mechanism, and the secondary elevating mechanism lower end in left side connects concora crush flitch, and the secondary elevating mechanism lower end on right side connects the flitch that baroclines having bottom surface right low left high.
Before and after above-mentioned bracing frame inside two on be all vertically arranged with guide plate, before and after described shovel flitch, dual-side inner side edge with two guide plates respectively is slidably connected.
Being cased with steady power sleeve outside above-mentioned beater mechanism, steady power cylinder is connected with supporting transverse slat, is provided with damping spring between described beater mechanism top and steady power sleeve inner top.
Being connected by axis of rotation with bottom splicing case left end at the bottom of above-mentioned upset discharge box, splicing case left end is provided with overturning oil cylinder, and the piston rod of described overturning oil cylinder is rotationally connected at the bottom of upset discharge box.
The invention has the beneficial effects as follows: invention increases impact shear function, sampler alignment is sampled without the static stream section of bias, in sampling process, sampler carries out impact shear to its opening edge along the larger particles touched, material in the range of adopting and only adopting, sampling process codes and standards, fair and just, fully meet the basic demand of sampling, it is ensured that sample is without any bias.
Accompanying drawing explanation
Fig. 1 is the main TV structure schematic diagram of the present invention.
Fig. 2 is the right TV structure schematic diagram of the present invention.
Wherein: 1. bracing frame, 2 main hoists, 3 steady power sleeves, 4 beater mechanisms, 5 secondary elevating mechanisms, 6 limit flitch, 7 impactors, 8 barocline flitch, 9 splicing casees, 10 splicing dollies, 11 support platforms, 12 transmission tracks, 13 sliding doors, 14 right limit blocks, at the bottom of 15 upset discharge boxs, 16 overturning oil cylinders, 17 left limit blocks, 18 concora crush flitch, 19 damping springs, 20 impact bars, 21 shovel flitch, 22 scraping wings, 23 sample channels, 24 guide plates, 25 guide collar.
Detailed description of the invention
Below in conjunction with the accompanying drawings the present invention is done further detailed description:
Specific embodiment one:
As shown in Figure 1, 2, a kind of blanking stream sampler of the present invention, including bracing frame 1, bracing frame 1 is played a supporting role, it is possible to provide bigger active force and counteracting force are so that bigger hard material granules such as impact shear stones.The suspention of bracing frame 1 top vertical has a main hoist 2, and main hoist 2 lower end connects support transverse slat, supports and is provided with two limit flitch 6 below transverse slat, and two limit flitch 6 parallel vertical are arranged, between spaced, in order to material enters.It is provided with support platform 11 in the middle of bottom bracing frame 1, it is provided with, on the bracing frame of both sides, the transmission track 12 extended to the left before and after support platform 11, being provided with splicing dolly 10 on transmission track 12, splicing dolly 10 is crossed on transmission track 12 and moves left and right along transmission track 12.
Square splicing case 9 it is provided with on splicing dolly 10, splicing case 9 top is opened wide, be provided with bottom splicing case 9 upset discharge box at the bottom of 15, in the middle part of the front side wall of splicing case 9 be provided with in the middle part of rear wall before and after the most relative discharging opening, the width of discharging opening is not less than the spacing between two limit flitch 6, being provided with sliding door 13 outside discharging opening, the left end of transmission track 12 is to extend to the delivery end outside bracing frame 1, and splicing dolly 10 is in delivery end discharging.The delivery end of transmission track 12 is provided with left limit block 17, and splicing case 9 moves to left while delivery end in company with splicing dolly 10, and left limit block 17 stops spacing sliding door 13 to continue to move to left thus blocks discharging opening.
For sampling station between support platform 11 and limit flitch 6, splicing dolly 10 moves to right when putting in place, and splicing case 9 centre position is parked at the sampling station between support platform 11 and limit flitch 6, and splicing splicing case 9 is played bottom support effect by support platform 11.Being provided with the right limit block 14 being positioned at above support platform 11 left end on bracing frame 1, splicing case 9 moves to right in company with splicing dolly 10 while putting in place, and right limit block 14 stops spacing sliding door 13 to continue to move to right thus opens discharging opening.Being provided with sample channel 23 on rear side of bracing frame 1, when splicing case 9 is parked at the sampling station between support platform 11 and limit flitch 6, sample channel 23 docks with splicing case 9 rear wall top discharge mouth.It is provided with pusher on front side of bracing frame 1, pusher includes horizontal oil cylinder and scraping wings 22, when splicing case 9 is parked in the sampling station between support platform 11 and limit flitch 6 and discharging opening fully opens, scraping wings 22 can block the discharging opening on splicing case 9 front side wall completely, and the material in splicing case 9 will not be revealed by the discharging opening from front side wall.
Being symmetrically arranged with beater mechanism 4 on the support transverse slat of main hoist 2 both sides, beater mechanism refers to that the pneumatic pick worked in the way of impact impact, oil hammer, electric hammer etc. impact class instrument.Beater mechanism 4 lower end connects the impactor 7 extended to below support transverse slat, limit flitch 6 is close to inside two impactors 7, impactor 7 includes impact bar 20, impact bar 20 top is connected with beater mechanism 4, before and after being provided with the shovel flitch 21 of the lower end band edge of shovel, shovel flitch 21 and limit flitch 6 bottom impact bar 20, width is not less than width before and after splicing case 9.Limit flitch 6 top rear face is provided with horizontal guide collar, and impact bar 20 activity runs through guide collar, and impact bar 20 can be played guide effect by guide collar, it is to avoid impact bar 20 deviates, and also avoids limiting generation larger gap between flitch 6 and impact bar 20.All being vertically arranged with guide plate 25 before and after bracing frame 1 on both sides, before and after shovel flitch 21, dual-side inner side edge with two guide plates 25 respectively is slidably connected, it is ensured that shovel flitch 21 smooth out in lifting process unbiased from.
The left and right sides, bracing frame 1 top is provided with secondary elevating mechanism 5, and secondary elevating mechanism 5 lower end in left side connects concora crush flitch 18, and secondary elevating mechanism 5 lower end on right side connects the flitch 8 that baroclines having bottom surface right low left high.It is cased with steady power sleeve 3 outside beater mechanism 4, between beater mechanism 4 top and steady power sleeve 3 inner top, is provided with damping spring 19.15 being connected by axis of rotation with splicing case 9 left end bottom at the bottom of upset discharge box, splicing case 9 left end is provided with overturning oil cylinder 16, the piston rod of overturning oil cylinder 16 with overturn at the bottom of discharge box 15 and be rotationally connected.
Its operation principle is: during sampling, splicing dolly 10 moves to left from sampling station, when near the delivery end of transmission track 12, sliding door 13 is spacing by left limit block 17, stop it to continue to move to left thus block discharging opening, at the bottom of the upset discharge box of splicing case 9,15 rotate discharging successively, reset, splicing case 9 is in the state of only open upper end, splicing dolly 10 moves right along transmission track 12 with constant speed v, close to when arriving sample man position, sliding door 13 is spacing by right limit block 14, stop it to continue to move to right thus open discharging opening, when splicing case 9 arrives sampling station, discharging opening is the most unlimited, now the discharging opening on front side of splicing case 9 is blocked by scraping wings 22, material will not be revealed, discharging opening on splicing case 9 rear wall docks with sample channel 23.It it is the material after tunneling boring accesses A belt blanking stream in splicing case 9, biside plate blanking to be cut stream before and after splicing case 9 in the process, near it, position can produce bias, centre position is splicing case 9 moves tunneling boring with constant speed v and accesses a certain blanking stream section of A belt and the new stream section without any bias that formed, it is equal to after B belt moves all blanking streams accessing A belt with constant speed v, this original state of section in the whole new stream formed on B belt, is also a certain stream section without any bias on A belt.The material in the centre position in hopper 9 to be docked is sampled.
nullWhen sampling starts，Secondary elevating mechanism 5 declines promotion concora crush flitch 18 and the flitch that baroclines is pressed for 8 times，After in splicing case 9, the material pressure of the right and left is steady，Main hoist 2 promotes beater mechanism 4 to move down，Beater mechanism 4 drives thief rod 20，Thief rod 20 drives the shovel flitch 21 material impact without bias immediately below it to sample，Shovel flitch 21 material particles below is the most all shoveled out edge by impact grinding，Limit flitch 6 follows up simultaneously，This partial material is limited between two limit flitch 6，Till just touching splicing case 9 base plate bottom shovel flitch 21，The material being now in two limit flitch 6 and the space that surrounded of scraping wings 22 is the sample all should adopted，Scraping wings 22 starts immediately，Promote sample successively from the discharging opening on opposite、Sample channel 23 enters sample-preparing system，Complete once to sample.Sampling whole during the material particles that touched of sampler edge whether great or small, be all sampled device impact shear, accurately adopt in the range of should adopting, get rid of all extraneous, sampling process is fair and just, meets the basic demand of sampling, and institute's sample thief does not has any bias.
Embodiment two:When softer material or uniform small particles material are sampled, save the impactor 7 in embodiment one, main hoist 2 drives the material sampling in the middle of limit flitch 6 direct shearing splicing case 9, and limit flitch 6 has simultaneously worked as shear action at storing, and other is identical with embodiment one.
The above is only the preferred implementation of this patent; it should be pointed out that, for those skilled in the art, on the premise of without departing from the art of this patent principle; can also make some improvement and replacement, these improve and replace the protection domain that also should be regarded as this patent.
Claims (6)
1. a blanking stream sampler, it is characterized in that: include bracing frame, the suspention of support frame as described above top vertical has main hoist, described main hoist lower end connects support transverse slat, the limit flitch of about two parallel interval it is vertically arranged with below described support transverse slat, it is provided with support platform in the middle of bottom bracing frame, before and after described support platform, side frames is provided with two transmission tracks extended to the left, splicing dolly it is provided with on described transmission track, square splicing case it is provided with on described splicing dolly, described splicing box top is opened wide, splicing bottom portion is provided with at the bottom of upset discharge box, in the middle part of the front side wall of splicing case be provided with in the middle part of rear wall before and after the most relative discharging opening, the sliding door that can block discharging opening it is provided with outside described discharging opening；
The left end of transmission track is to extend to the delivery end outside bracing frame, the delivery end of transmission track is provided with and blocks the left limit block of discharging opening when splicing dolly moves to left to spacing sliding door being stoped to continue to move to left while delivery end, it is provided with on support frame as described above above support platform left end and moves to right in the middle part of splicing dolly and open the right limit block of discharging opening to spacing sliding door being stoped to continue to move to right while between support platform and limit flitch, it is provided with pusher on bracing frame on front side of support platform, described pusher include can before and after discharging opening passes through splicing case the scraping wings of both sides, the sample channel that can dock it is provided with splicing case rear wall top discharge mouth on bracing frame on rear side of support platform.
Blanking stream sampler the most according to claim 1, it is characterized in that: on the support transverse slat of described main hoist both sides, be symmetrically arranged with beater mechanism, described beater mechanism lower end connects the impactor extended to below support transverse slat, described limit flitch is close to inside two impactors, described impactor includes impact bar, described impact bar top is connected with beater mechanism, the shovel flitch of the lower end band edge of shovel it is provided with bottom impact bar, before and after described shovel flitch and limit flitch, width is not less than width before and after splicing case, described limit flitch top rear face is provided with horizontal guide collar, described impact bar activity runs through guide collar.
3. blanking stream sampler described in claim 1, it is characterized in that: the left and right sides, support frame as described above top is provided with secondary elevating mechanism, the secondary elevating mechanism lower end in left side connects concora crush flitch, and the secondary elevating mechanism lower end on right side connects the flitch that baroclines having bottom surface right low left high.
Blanking stream sampler the most according to claim 1, it is characterised in that: before and after support frame as described above inside two on be all vertically arranged with guide plate, before and after described shovel flitch, dual-side inner side edge with two guide plates respectively is slidably connected.
Blanking stream sampler the most according to claim 1, it is characterised in that: being cased with steady power sleeve outside described beater mechanism, steady power cylinder is connected with supporting transverse slat, is provided with damping spring between described beater mechanism top and steady power sleeve inner top.
Blanking stream sampler the most according to claim 1, it is characterized in that: be connected by axis of rotation with bottom splicing case left end at the bottom of described upset discharge box, splicing case left end is provided with overturning oil cylinder, and the piston rod of described overturning oil cylinder is rotationally connected at the bottom of upset discharge box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610349764.0A CN105890934B (en) | 2016-05-24 | 2016-05-24 | A kind of blanking stream sampler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610349764.0A CN105890934B (en) | 2016-05-24 | 2016-05-24 | A kind of blanking stream sampler |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105890934A true CN105890934A (en) | 2016-08-24 |
| CN105890934B CN105890934B (en) | 2019-03-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610349764.0A Expired - Fee Related CN105890934B (en) | 2016-05-24 | 2016-05-24 | A kind of blanking stream sampler |
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| CN (1) | CN105890934B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107505362A (en) * | 2017-10-17 | 2017-12-22 | 青岛农业大学 | A kind of cereal device containing aquametry |
| CN107764603A (en) * | 2017-09-28 | 2018-03-06 | 青岛农业大学 | A kind of grain sample blanking collection device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1404878A1 (en) * | 1986-12-10 | 1988-06-23 | Коммунарский горно-металлургический институт | Sample feeding device of flow analyzer for inspection of loose materials |
| US4955242A (en) * | 1989-06-06 | 1990-09-11 | Long John B | Conveyor belt cross-stream sampling system and associated method |
| CN201104261Y (en) * | 2007-11-20 | 2008-08-20 | 上海大屯能源股份有限公司 | Bucket lifting type belt head collecting and processing specimen machine |
| CN101451926A (en) * | 2007-12-03 | 2009-06-10 | 阎国俊 | Belt end sampling machine with rocker bar |
| CN202255929U (en) * | 2011-09-13 | 2012-05-30 | 永城煤电控股集团有限公司 | Automatic sampling machine |
| CN202693359U (en) * | 2012-07-11 | 2013-01-23 | 江苏海陵机械有限公司 | Automatic sampling device in middle of belt |
| CN205941084U (en) * | 2016-05-24 | 2017-02-08 | 陈金 | Blanking flows sampling device |
-
2016
- 2016-05-24 CN CN201610349764.0A patent/CN105890934B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1404878A1 (en) * | 1986-12-10 | 1988-06-23 | Коммунарский горно-металлургический институт | Sample feeding device of flow analyzer for inspection of loose materials |
| US4955242A (en) * | 1989-06-06 | 1990-09-11 | Long John B | Conveyor belt cross-stream sampling system and associated method |
| CN201104261Y (en) * | 2007-11-20 | 2008-08-20 | 上海大屯能源股份有限公司 | Bucket lifting type belt head collecting and processing specimen machine |
| CN101451926A (en) * | 2007-12-03 | 2009-06-10 | 阎国俊 | Belt end sampling machine with rocker bar |
| CN202255929U (en) * | 2011-09-13 | 2012-05-30 | 永城煤电控股集团有限公司 | Automatic sampling machine |
| CN202693359U (en) * | 2012-07-11 | 2013-01-23 | 江苏海陵机械有限公司 | Automatic sampling device in middle of belt |
| CN205941084U (en) * | 2016-05-24 | 2017-02-08 | 陈金 | Blanking flows sampling device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107764603A (en) * | 2017-09-28 | 2018-03-06 | 青岛农业大学 | A kind of grain sample blanking collection device |
| CN107505362A (en) * | 2017-10-17 | 2017-12-22 | 青岛农业大学 | A kind of cereal device containing aquametry |
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| Publication number | Publication date |
|---|---|
| CN105890934B (en) | 2019-03-29 |
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Granted publication date: 20190329 Termination date: 20200524 |