CN105890934B - A kind of blanking stream sampler - Google Patents
A kind of blanking stream sampler Download PDFInfo
- Publication number
- CN105890934B CN105890934B CN201610349764.0A CN201610349764A CN105890934B CN 105890934 B CN105890934 B CN 105890934B CN 201610349764 A CN201610349764 A CN 201610349764A CN 105890934 B CN105890934 B CN 105890934B
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- picking
- container
- flitch
- support
- support frame
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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)
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- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
- Crushing And Pulverization Processes (AREA)
Abstract
A kind of blanking stream sampler of the invention, including support frame, the suspention of support frame top vertical has main hoist, main hoist lower end is connected with support transverse slat, the limit flitch there are two left and right parallel interval is vertically arranged below support transverse slat, support platform is provided among support frame bottom, support platform front and rear sides are provided with two transmission tracks extended to the left, splicing trolley is provided on transmission track, rectangular picking-up container is provided on splicing trolley, it is opened wide at the top of picking-up container, picking-up container bottom is provided with overturning discharge box bottom, the opposite discharge port in front and back is provided in the middle part of the front side wall of picking-up container and in the middle part of rear wall, the sliding door that can block discharge port is provided on the outside of the discharge port；The beneficial effects of the present invention are: sampling process codes and standards are fair and just, fully meet the basic demand of sampling invention increases impact shear function, it ensure that sample without any bias.
Description
Technical field
The present invention relates to a kind of solid material blanking stream sampler and a kind of sampling methods, fall stream suitable for solid material
The sampling at place is may be used at belt head portion blanking stream or at other blanking streams, adapts to the large-scale factories and miness such as power plant, coal mine to coal
The sampling of equal loose unpacked materials.
Background technique
There are two types of forms for current strap sampling machine, and one is belt middle (crossing belt) Sampling Machines, and another kind is skin
Headed (blanking stream) Sampling Machine.It is mounted on above belt across strap sampling machine, design principle is sampler timing rotation
The drawbacks of lateral tunneling boring cuts the mobile stream on belt and obtains sample, this Sampling Machine is: 1. be not injure Sampling belt device
Bottom and belt must keep certain distance, and belt bottoms material can not be taken, and sampler is adopted less than sample when stream is relatively thin, adopt
Sample process cannot reach sampling request, and sample loses representativeness, cause bias.2. since sampler is opened from the side of belt
Begin rotation sampling, the other side, which is in adopt the material in range and be largely pushed out belt by the exclusion of front material or squeezed into, adopts
Sample device opening baffle between can not adopt into, sample cannot be made to lose representativeness by sampling request full-section sampling, cause partially
It leans on.3. sampler opening edge is not along having crushing function, sampler opening edge is same along the larger particles touched in sampling process
When in should adopt inside and outside range, sampler can not be adopted only in range as required, as a result not be whole adopt into being exactly whole row
It removes, sampling process cannot reach sampling request, and sampling loses fair and just, cause sample bias.
Belt head portion (blanking stream) Sampling Machine is mounted on belt head portion, and design principle is that sampler is cut with constant speed timing
One complete blanking stream cross section transverse and sample, although this Sampling Machine avoids first and second liang of belt middle sampling machine
Kind defect can equally exist the third defect, i.e., sampler opening edge is not along having crushing function, and sampler is open in sampling process
It larger particles that edge is touched while being in and should adopt inside and outside range, sampler can not be adopted only in range as required, as a result
Be not it is whole adopt into, be exactly it is whole exclude, this defect not only makes sampler opening edge along the larger particles itself touched
At sampling bias, while the normal sample to material around it is also seriously affected, causes the sampling bias of material around it, when
When belt movement speed is constant, the same type of particle of same batch materials, there is regularity for motion state, work as sampler
When to the larger particles stream sampling concentrated in together, sample bias great disparity caused by this defect is bigger, and bias value is unable to estimate,
The main reason for this defect is Sampling Machine (including static material Sampling Machine) sampling bias all at present, in the entire of sampling
To beginning to influencing eventually, normally adopting for sample loses fair and just into, sampling process in the process, cannot reach sampling request, make
At sample bias.This is the critical issue that could not have been solved always since Sampling Machine industry is born.
Summary of the invention
To solve the above technical deficiency, the present invention provides a kind of samplings accurately, and sample does not generate any bias
Blanking stream sampler.
The present invention is achieved by the following measures:
A kind of blanking stream sampler of the invention, including support frame, the suspention of support frame as described above top vertical have main lifting
Mechanism, the main hoist lower end are connected with support transverse slat, are vertically arranged below the support transverse slat parallel there are two controlling
The limit flitch at interval is provided with support platform among support frame bottom, and the support platform front and rear sides are provided with two to the left
The transmission track of extension is provided with splicing trolley on the transmission track, is provided with rectangular picking-up container on the splicing trolley,
It is opened wide at the top of the picking-up container, picking-up container bottom, which is provided with, overturns discharge box bottom, in the middle part of the front side wall of picking-up container and in rear wall
Portion is provided with the opposite discharge port in front and back, is provided with the sliding door that can block discharge port on the outside of the discharge port；
The left end of transmission track is the delivery end extended on the outside of support frame, and the delivery end of transmission track, which is provided with, works as splicing
Trolley can prevent limit sliding door from continuing to move to left to block the left limit block of discharge port, institute while moving to left to delivery end
State be provided on support frame above support platform left end and move to right in the middle part of the splicing trolley to support platform and limit flitch it
Between while limit sliding door can be prevented to continue to move to right to open the right limit block of discharge port, the support on front side of support platform
Pusher is provided on frame, the pusher includes the scraping wings that picking-up container front and rear sides can be passed through by discharge port, branch
The sample channel that can be docked with picking-up container rear wall top discharge mouth is provided on support frame on rear side of support platform.
Beater mechanism, the beater mechanism lower end connection are symmetrically arranged on the support transverse slat of above-mentioned main hoist two sides
There is the impactor extended to below support transverse slat, the limit flitch is close on the inside of two impactors, and the impact is adopted
Sample device includes impact bar, is connected at the top of the impact bar with beater mechanism, impact bar bottom is provided with shovel of the lower end with the edge of shovel
The front and rear width of flitch, the shovel flitch and limit flitch is not less than the front and rear width of picking-up container, and the limit flitch top rear face is set
It is equipped with lateral guide collar, the impact bar activity runs through guide collar.
The left and right sides is provided with secondary elevating mechanism at the top of above-mentioned support frame, and the secondary elevating mechanism lower end in left side is connected with concora crush
Flitch, the secondary elevating mechanism lower end on right side are connected with the flitch that baroclines of bottom surface right low left high.
Be vertically arranged with guide plate before and after above-mentioned support frame on two insides, the front and rear sides side of the shovel flitch respectively with
The inner side edge of two guide plates is slidably connected.
Steady power sleeve is cased with outside above-mentioned beater mechanism, steady power cylinder is connected with support transverse slat, at the top of the beater mechanism and surely
Damping spring is provided between power sleeve inner top.
Above-mentioned overturning discharge box bottom and picking-up container left end bottom are rotatablely connected by shaft, and picking-up container left end is provided with overturning
Oil cylinder, the piston rod of the overturning oil cylinder and the rotation connection of overturning discharge box bottom.
The beneficial effects of the present invention are: sampler is aligned without the static of bias invention increases impact shear function
Stream section is sampled, and sampler carries out impact shear along the larger particles touched to its opening edge in sampling process, is adopted
And the material in range is only adopted, sampling process codes and standards are fair and just, fully meet the basic demand of sampling, ensure that sample
Product are without any bias.
Detailed description of the invention
Fig. 1 is schematic view of the front view of the invention.
Fig. 2 is right side structural representation of the invention.
Wherein: 1. support frames, 2 main hoists, 3 steady power sleeves, 4 beater mechanisms, 5 secondary elevating mechanisms, 6 limit flitch, 7 punchings
Hit sampler, 8 barocline flitch, 9 picking-up containers, 10 splicing trolleies, 11 support platforms, 12 transmission tracks, 13 sliding doors, 14 right limits
Position block, 15 overturning discharge box bottoms, 16 overturning oil cylinders, 17 left limit blocks, 18 concora crush flitch, 19 damping springs, 20 impacts
Bar, 21 shovel flitches, 22 scraping wings, 23 sample channels, 24 guide plates, 25 guide collars.
Specific embodiment
Further detailed description is done to the present invention with reference to the accompanying drawing:
Specific embodiment one:
As shown in Figure 1, 2, a kind of blanking stream sampler of the invention, including support frame 1, support frame 1 play support and make
With, it is possible to provide biggish active force and reaction force are so as to the biggish hard material particle such as impact shear stone.1 top of support frame
Vertically depending has main hoist 2, and 2 lower end of main hoist is connected with support transverse slat, and there are two limits for setting below support transverse slat
Flitch 6, the setting of two limit 6 parallel verticals of flitch, between it is spaced, so as to material entrance.Support frame is provided among 1 bottom
Support platform 11 is provided with the transmission track 12 extended to the left, transmission track 12 on the support frame of 11 front and rear sides of support platform
On be provided with splicing trolley 10, splicing trolley 10 is crossed on transmission track 12 and moves left and right along transmission track 12.
It is provided with rectangular picking-up container 9 on splicing trolley 10, is opened wide at the top of picking-up container 9,9 bottom of picking-up container is provided with overturning
Discharge box bottom 15, the front side wall middle part and rear wall middle part of picking-up container 9 are provided with the opposite discharge port in front and back, the width of discharge port
The spacing between flitch 6 is limited not less than two, sliding door 13 is provided on the outside of discharge port, and the left end of transmission track 12 is to extend
To the delivery end in 1 outside of support frame, splicing trolley 10 is in delivery end discharging.The delivery end of transmission track 12 is provided with left limit gear
Block 17, while picking-up container 9 is moved to left in company with splicing trolley 10 to delivery end, left limit block 17 prevents limit sliding door 13 from continuing
It moves to left to block discharge port.
It is sampling station, when splicing trolley 10 is moved to right in place, 9 interposition of picking-up container between support platform 11 and limit flitch 6
It sets at the sampling station being parked between support platform 11 and limit flitch 6, support platform 11 plays bottom support to splicing picking-up container 9
Effect.The right limit block 14 being provided with above 11 left end of support platform on support frame 1, picking-up container 9 is in company with splicing trolley
10 while move to right in place, and right limit block 14 prevents limit sliding door 13 from continuing to move to right to open discharge port.After support frame 1
Side is provided with sample channel 23, and when picking-up container 9 is parked in support platform 11 and limits at the sampling station between flitch 6, sample is logical
It is docked with 9 rear wall top discharge mouth of picking-up container in road 23.Pusher is provided on front side of support frame 1, pusher includes lateral
Oil cylinder and scraping wings 22 are fully opened when picking-up container 9 is parked in support platform 11 and limits sampling station and discharge port between flitch 6
When, scraping wings 22 can block the discharge port on 9 front side wall of picking-up container completely, and the material in picking-up container 9 will not be from front side wall
Discharge port leakage.
Beater mechanism 4 is symmetrically arranged on the support transverse slat of 2 two sides of main hoist, beater mechanism refers to impact impact
The impact class tool such as the mode pneumatic pick, oil hammer, the electric hammer that work.4 lower end of beater mechanism, which is connected with, to be extended to below support transverse slat
Impactor 7, limit flitch 6 is close to two impactors, 7 inside, and impactor 7 includes impact bar 20, impact bar 20
Top is connected with beater mechanism 4, and 20 bottom of impact bar is provided with shovel flitch 21 of the lower end with the edge of shovel, shovel flitch 21 and limit flitch
6 front and rear width is not less than the front and rear width of picking-up container 9.Limit 6 top rear face of flitch is provided with lateral guide collar, impact bar 20
Activity runs through guide collar, and guide collar can play guiding role to impact bar 20, and impact bar 20 is avoided to deviate, and also avoids limit flitch
Larger gap is generated between 6 and impact bar 20.Guide plate 25 is vertically arranged on 1 front and rear sides of support frame, shovel flitch 21
Inner side edge of the front and rear sides side respectively with two guide plates 25 is slidably connected, and guarantees that shovel flitch 21 is smooth unbiased in lifting process
From.
The 1 top left and right sides of support frame is provided with secondary elevating mechanism 5, and 5 lower end of secondary elevating mechanism in left side is connected with concora crush
5 lower end of secondary elevating mechanism of flitch 18, right side is connected with the flitch 8 that baroclines of bottom surface right low left high.Steady power is cased with outside beater mechanism 4
Sleeve 3 is provided with damping spring 19 between 4 top of beater mechanism and steady 3 inner top of power sleeve.Overturn discharge box bottom 15 and splicing
9 left end bottom of case is rotatablely connected by shaft, and 9 left end of picking-up container is provided with overturning oil cylinder 16, the piston rod of overturning oil cylinder 16 with
Discharge box bottom 15 is overturn to be rotatablely connected.
Its working principle is that: when sampling, splicing trolley 10 is moved to left from sampling station, in unloading close to transmission track 12
When expecting end, sliding door 13 is limited by left limit block 17, prevents it from continuing to move to left to block discharge port, picking-up container 9 is turned over
Unloading hopper bottom 15 successively rotates discharging, resets, and picking-up container 9 is in the state of only open upper end, and splicing trolley 10 is along transmission rail
Road 12 is moved right with constant speed v, and close to when reaching sample man position, sliding door 13 is limited by right limit block 14, prevents it
Continue to move to right to open discharge port, discharge port opens wide completely when picking-up container 9 reaches sampling station, at this time 9 front side of picking-up container
Discharge port blocked by scraping wings 22, material will not be revealed, the discharge port on 9 rear wall of picking-up container with sample channel 23
Docking.It is that tunneling boring picks up the material after A belt blanking stream in picking-up container 9,9 front and rear sides plate of picking-up container can not in the process
What is avoided will cut blanking stream, and neighbouring position can generate bias, and middle position is that picking-up container 9 is mobile complete disconnected with constant speed v
Face picks up a certain blanking stream section of A belt and the new stream section without any bias that is formed, is equal to B belt with constant speed v
After the mobile all blanking streams for picking up A belt, this section original state and A belt in entire new stream for being formed on B belt
On a certain stream section without any bias.Therefore the material in the middle position in picking-up container 9 is sampled.
When sampling starts, the secondary decline of elevating mechanism 5 pushes concora crush flitch 18 and the pushing of flitch 8 of baroclining, will be left in picking-up container 9
After the material pressure on right both sides is steady, main hoist 2 pushes beater mechanism 4 to move down, and beater mechanism 4 drives thief rod 20, adopts
Sample bar 20 drives shovel flitch 21 to sample to the material impact without bias immediately below it, and no matter big the material particles below shovel flitch 21 are
Small all to shovel out edge by impact grinding, limit flitch 6 follows up simultaneously, this partial material is limited between two limit flitch 6, until
Until 21 bottom of shovel flitch just touches 9 bottom plate of picking-up container, it is now in the sky that two limit flitch 6 and scraping wings 22 are surrounded
Interior material is the sample that should all adopt, and scraping wings 22 starts immediately, pushes the sample successively discharge port from opposite, sample
Channel 23 enters sample-preparing system, completes primary sampling.The material that sampler edge is touched during the entire process of sampling
Whether great or small, by sampler impact shear, accurately adopting should adopt in range grain, exclude outside all ranges, sampling process
It is fair and just, meet the basic demand of sampling, institute's sample thief does not have any bias.
Embodiment two: it when being sampled to softer material or uniform small particles material, saves in embodiment one
Impactor 7, main hoist 2 drive the material sampling among limit 6 direct shearing picking-up container of flitch 9, limit flitch 6 in storing
Shear action is played simultaneously, it is other to be the same as example 1.
The above is only the preferred embodiment of this patent, it is noted that for the ordinary skill people of the art
For member, under the premise of not departing from the art of this patent principle, several improvement and replacement can also be made, these are improved and replacement
Also it should be regarded as the protection scope of this patent.
Claims (5)
1. a kind of blanking stream sampler, it is characterised in that: including support frame, the suspention of support frame as described above top vertical has main lifting
Mechanism, the main hoist lower end are connected with support transverse slat, are vertically arranged below the support transverse slat parallel there are two controlling
The limit flitch at interval is provided with support platform among support frame bottom, and the support platform front and rear sides are provided with two to the left
The transmission track of extension is provided with splicing trolley on the transmission track, is provided with rectangular picking-up container on the splicing trolley,
It is opened wide at the top of the picking-up container, picking-up container bottom, which is provided with, overturns discharge box bottom, in the middle part of the front side wall of picking-up container and in rear wall
Portion is provided with the opposite discharge port in front and back, is provided with the sliding door that can block discharge port on the outside of the discharge port；Transmit rail
The left end in road is the delivery end extended on the outside of support frame, and the delivery end of transmission track is provided with when splicing trolley is moved to left to discharging
Limit sliding door can be prevented to continue to move to left to block the left limit block of discharge port while end, be arranged on support frame as described above
Have and is located above support platform left end and can be prevented while moving to right in the middle part of splicing trolley between support platform and limit flitch
Limit sliding door continues to move to right to open the right limit block of discharge port, is provided with pusher on the support frame on front side of support platform
Mechanism, the pusher include the scraping wings that picking-up container front and rear sides can be passed through by discharge port, the branch on rear side of support platform
The sample channel that can be docked with picking-up container rear wall top discharge mouth is provided on support；The support of the main hoist two sides is horizontal
Beater mechanism is symmetrically arranged on plate, the beater mechanism lower end is connected with the impactor extended to below support transverse slat,
The limit flitch is close on the inside of two impactors, and the impactor includes impact bar, at the top of the impact bar and rushes
It hits mechanism to be connected, impact bar bottom is provided with shovel flitch of the lower end with the edge of shovel, the front and rear width of the shovel flitch and limit flitch
Not less than the front and rear width of picking-up container, the limit flitch top rear face is provided with lateral guide collar, and the impact bar activity is passed through
Wear guide collar.
2. blanking stream sampler according to claim 1, it is characterised in that: the left and right sides is provided at the top of support frame as described above
Secondary elevating mechanism, the secondary elevating mechanism lower end in left side are connected with concora crush flitch, and the secondary elevating mechanism lower end on right side is connected with bottom surface
The flitch that baroclines of right low left high.
3. blanking stream sampler according to claim 1, it is characterised in that: vertical on two insides before and after support frame as described above
It is provided with guide plate, inner side edge of the front and rear sides side of the shovel flitch respectively with two guide plates is slidably connected.
4. blanking stream sampler according to claim 1, it is characterised in that: it is cased with steady power sleeve outside the beater mechanism,
Steady power sleeve is connected with support transverse slat, is provided with damping spring between steady power sleeve inner top at the top of the beater mechanism.
5. blanking stream sampler according to claim 1, it is characterised in that: the overturning discharge box bottom and picking-up container left end
Bottom is rotatablely connected by shaft, and picking-up container left end is provided with overturning oil cylinder, the piston rod of the overturning oil cylinder and overturning discharging
Bottom rotation connection.
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 CN105890934A (en) | 2016-08-24 |
| CN105890934B true 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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| Country | Link |
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| CN (1) | CN105890934B (en) |
Families Citing this family (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 |
Family Cites Families (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 |
| CN101451926B (en) * | 2007-12-03 | 2011-05-04 | 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
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| CN105890934A (en) | 2016-08-24 |
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