CN217932815U - Special random sample extraction device for statistics - Google Patents
Special random sample extraction device for statistics Download PDFInfo
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- CN217932815U CN217932815U CN202221736081.8U CN202221736081U CN217932815U CN 217932815 U CN217932815 U CN 217932815U CN 202221736081 U CN202221736081 U CN 202221736081U CN 217932815 U CN217932815 U CN 217932815U
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- 238000000605 extraction Methods 0.000 title abstract description 5
- 230000005540 biological transmission Effects 0.000 claims abstract description 32
- 230000007246 mechanism Effects 0.000 claims abstract description 22
- 238000005070 sampling Methods 0.000 claims abstract description 16
- 230000000694 effects Effects 0.000 claims abstract description 8
- 238000010438 heat treatment Methods 0.000 claims abstract description 5
- 238000006073 displacement reaction Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000000737 periodic effect Effects 0.000 description 3
- 239000000428 dust Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
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- 238000004891 communication Methods 0.000 description 1
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Abstract
The utility model relates to a random sampling equipment technical field, and a special random sample extraction device of statistics is disclosed, including the chassis, the upper end of chassis is rotated and is connected with two running rollers, the surface cover of two running rollers is equipped with the transmission band, two top wheels of lower inner wall fixedly connected with of chassis, two top wheels all contact with the transmission band, the surperficial activity hinge of chassis has the lid case, the internally mounted of lid case has three heating pipe, the side fixedly connected with fixed block of chassis, the case is placed to the side fixedly connected with of chassis, the upside of fixed block is provided with the pushing mechanism that can extract the sample, the inside of chassis is provided with and drives the transmission band and carries out driven actuating mechanism, actuating mechanism's setting drives one of them running roller and rotates, it rotates to drive another running roller through the transmission band after a running roller rotates, thereby make the transmission band have the transmissibility, pushing mechanism's setting can regularly take the sample of transmission at the transmission band out and send the inside of placing the case to and store.
Description
Technical Field
The utility model relates to a random sampling equipment technical field, more specifically relate to a special random sample extraction device of statistics.
Background
Statistics is the science about understanding the overall quantitative characteristics and quantitative relation of objective phenomena, and is a methodology science for understanding the regularity of objective phenomena by collecting, sorting and analyzing statistical data. The random sampling method is the possibility that each part in the overall survey object is equally sampled, is a sampling survey completely carried out according to the principle of chance equalization, is called as an 'equal probability', and has four basic forms of simple random sampling, equidistant sampling, type sampling and whole group sampling.
The dedicated random draw-out device of current statistics can't need the manual work to operate carrying out effectual random draw-out to the experimental body, does not have better realization automation process, and when the number of times of drawing was more, the manual work was unfavorable for statistics count.
Disclosure of Invention
In order to overcome the above-mentioned defect of prior art, the utility model provides a special random sampling device of statistics to solve the problem that exists among the above-mentioned background art.
The utility model provides a following technical scheme: the utility model provides a special random sample extraction device of statistics, includes the chassis, the upper end of chassis is rotated and is connected with two running rollers, and the surface cover of two running rollers is equipped with the transmission band, the lower inner wall fixedly connected with two top wheels of chassis, two the top wheel all contacts with the transmission band, the surface activity of chassis articulates there is the lid case, the internally mounted of lid case has three heating pipe, the side fixedly connected with fixed block of chassis, the side fixedly connected with of chassis places the case, the upside of fixed block is provided with the pushing mechanism that can extract the sample, the inside of chassis is provided with the actuating mechanism that can drive the transmission band and carry out the transmission, and actuating mechanism's setting drives one of them running roller to rotate, drives another running roller through the transmission band and rotates after one running roller rotates to make the transmission band have transmissibility, and pushing mechanism's setting can regularly take out the sample of transmission band and send the inside of placing the case to store;
further, pushing mechanism includes the slide rail, slide rail fixed connection is in the upper end of fixed block, the upper end fixedly connected with second motor of fixed block, the upper end fixedly connected with disc of the output shaft of second motor, the fixed surface of disc is connected with the fore-set, the upper end of slide rail is rotated and is connected spacing frame, the surface of fore-set is located to spacing frame cover, the side fixedly connected with semi-gear of spacing frame, after starting the second motor, the output shaft of second motor drives the disc and rotates, and the fore-set that the disc drove the surface rotates, when the fore-set was circular motion, can drive spacing frame and be eccentric motion, can drive the semi-gear and be circular motion along the junction of spacing frame and slide rail.
Furthermore, the inner wall of the slide rail is connected with a slide block in a sliding mode, a rack is arranged at the side end of the slide block and is meshed with the half gear, and the slide block can be driven to slide along the inner wall of the slide rail after the half gear does periodic circular motion.
Further, five kicking blocks of side fixedly connected with of slider, five the kerve has all been dug to the side of kicking block, can promote five kicking block displacements when the slider displacement, and the setting up of five kerfs can promote the sample to the inside of placing the case, and then accomplishes the automation and samples.
Further, the driving mechanism comprises a first motor, the first motor is fixedly connected to the inner wall of the chassis, an output shaft of the first motor is fixedly connected with a first crawler wheel, a side end of one of the rollers is fixedly connected with a second crawler wheel, a crawler belt is sleeved on the surfaces of the second crawler wheel and the first crawler wheel, when the first motor is started, the output shaft of the first motor drives the first crawler wheel to rotate, the first crawler wheel drives the second crawler wheel to rotate through the crawler belt, the second crawler wheel further drives one roller wheel connected with the second crawler wheel to rotate, and then the other roller wheel is controlled to rotate, so that the transmission belt has a transmission and transportation function.
Furthermore, a plurality of tassels are arranged at the front side end and the rear side end of the cover box, the lowest ends of the tassels are in contact with the surface of the conveying belt, and dust passing through the surface of a sample of the cover box can be brushed away by the tassels.
Furthermore, the two guide plates are fixedly connected to the upper end of the bottom frame, bolts are connected to four corners of the lower end of the bottom frame in a threaded mode, samples cannot fall outside due to the two guide plates, and the four bolts can adjust the flatness of the bottom frame.
The utility model discloses a technological effect and advantage:
1. the utility model is provided with the second motor, after the second motor is started, the output shaft of the second motor drives the disc to rotate, the disc drives the jack-prop on the surface to rotate, when the jack-prop does circular motion, the limit frame can be driven to do eccentric motion, and the half gear can be driven to do circular motion along the joint of the limit frame and the slide rail;
2. the utility model discloses a be equipped with first motor, after starting first motor, the output shaft of first motor drives first caterpillar band wheel and rotates, and first caterpillar band wheel drives the second caterpillar band wheel through the track after rotatory and rotates, and the second caterpillar band wheel and then drives a running roller rather than being connected and rotate, and then controls another running roller rotation to make the transmission band have the transmission transport effect.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a side view of the present invention;
FIG. 3 is a front view of the pushing mechanism of the present invention;
fig. 4 is a side view of the pushing mechanism of the present invention.
The reference signs are: 1. a chassis; 2. a bolt; 3. a first motor; 4. a first crawler wheel; 5. a roller; 6. a second crawler wheel; 7. a crawler belt; 8. a top wheel; 9. a conveyor belt; 10. covering the box; 11. tassels; 12. a fixed block; 13. a second motor; 14. a slide rail; 15. a disc; 16. a top pillar; 17. a limiting frame; 18. a half gear; 19. a slider; 20. a rack; 21. a top block; 22. a top groove; 23. heating a tube; 24. and (4) placing the box.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the drawings of the present invention, and the forms of the structures described in the following embodiments are merely examples, and the present invention is not limited to the structures described in the following embodiments, and all other embodiments obtained by a person skilled in the art without creative efforts belong to the scope of the present invention.
Referring to fig. 1-4, the utility model provides a special random sample drawing device for statistics, including a chassis 1, the upper end of chassis 1 is connected with two running rollers 5 in a rotating manner, the surface cover of two running rollers 5 is equipped with a transmission band 9, the lower inner wall of chassis 1 is fixedly connected with two top wheels 8, two top wheels 8 all contact with transmission band 9, the surface activity of chassis 1 is hinged with a cover box 10, three heating pipes 23 are installed inside cover box 10, the side end of chassis 1 is fixedly connected with a fixed block 12, the side end of chassis 1 is fixedly connected with a placing box 24, the upside of fixed block 12 is provided with a pushing mechanism capable of drawing the sample, the inside of chassis 1 is provided with a driving mechanism capable of driving transmission band 9 to transmit, the setting of driving mechanism drives one of running rollers 5 to rotate, after one of running rollers 5 rotates, the driving band 9 drives the other running roller 5 to rotate, thereby making the transmission band 9 have transmissibility, the setting of pushing mechanism can regularly take out the sample transmitted on transmission band 9 and send the inside of placing box 24 to store;
wherein, pushing mechanism includes slide rail 14, slide rail 14 fixed connection is in the upper end of fixed block 12, the upper end fixedly connected with second motor 13 of fixed block 12, the upper end fixedly connected with disc 15 of the output shaft of second motor 13, the fixed surface of disc 15 is connected with fore-set 16, the upper end of slide rail 14 is rotated and is connected spacing frame 17, the surface of fore-set 16 is located to spacing frame 17 cover, the side fixedly connected with semi-gear 18 of spacing frame 17, after starting second motor 13, the output shaft of second motor 13 drives disc 15 and rotates, disc 15 drives fore-set 16 on surface and rotates, when fore-set 16 does circular motion, can drive spacing frame 17 and do eccentric motion, can drive semi-gear 18 and do circular motion along the junction of spacing frame 17 and slide rail 14.
The inner wall of the slide rail 14 is connected with a slide block 19 in a sliding manner, a rack 20 is arranged at the side end of the slide block 19, the rack 20 is meshed with the half gear 18, and the slide block 19 can be driven to slide along the inner wall of the slide rail 14 after the half gear 18 performs periodic circular motion.
Wherein, five kicking blocks 21 of side fixedly connected with of slider 19, five kicking blocks 21's side has all been dug the kerve 22, can promote five kicking blocks 21 displacements when slider 19 displacement, and five kerve 22's setting can promote the sample to the inside of placing case 24, and then accomplishes to automize and sample.
Wherein, actuating mechanism includes first motor 3, first motor 3 fixed connection is in the inner wall of chassis 1, the first caterpillar band wheel 4 of output shaft fixedly connected with of first motor 3, the side fixedly connected with second caterpillar band wheel 6 of one of them running roller 5, the surface cover of second caterpillar band wheel 6 and first caterpillar band wheel 4 is equipped with track 7, after starting first motor 3, the output shaft of first motor 3 drives first caterpillar band wheel 4 and rotates, first caterpillar band wheel 4 drives second caterpillar band wheel 6 through track 7 after rotatory and rotates, second caterpillar band wheel 6 and then drives a running roller 5 of being connected with and rotate, and then control another running roller 5 rotatory, thereby make transmission band 9 have the transmission transport effect.
Wherein, the front and back both sides end of lid case 10 all is provided with a plurality of tassels 11, and the lowermost end of a plurality of tassels 11 contacts with the surface of transmission band 9, and the setting of a plurality of tassels 11 can be brushed away the dust of the sample surface that passes through lid case 10.
Wherein, two guide boards of upper end fixedly connected with of chassis 1, the equal threaded connection in lower extreme four corners department of chassis 1 has bolt 2, and the setting of two guide boards can make the sample can not drop outside, and four bolts 2 set up the roughness of adjustable chassis 1.
The utility model discloses a theory of operation: after a sample is placed on the surface of a transmission belt 9, after a first motor 3 is started, an output shaft of the first motor 3 drives a first crawler wheel 4 to rotate, after the first crawler wheel 4 rotates, a second crawler wheel 6 is driven by a crawler belt 7 to rotate, the second crawler wheel 6 further drives a roller wheel 5 connected with the second crawler wheel to rotate, and then the other roller wheel 5 is controlled to rotate, so that the transmission belt 9 has a transmission and transportation effect, after a second motor 13 is started, an output shaft of the second motor 13 drives a disc 15 to rotate, the disc 15 drives a top post 16 on the surface to rotate, when the top post 16 does circular motion, a limiting frame 17 can be driven to do eccentric motion, a half gear 18 can be driven to do circular motion along the joint of the limiting frame 17 and a sliding rail 14, when the half gear 18 does periodic circular motion, a sliding block 19 can be driven to slide along the inner wall of the sliding rail 14, when the sliding block 19 displaces, five top blocks 21 can be pushed to displace, and the five top grooves 22 can push the sample to the inside of a placing box 24, so as to automatically sample can be sampled.
The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," "connecting," and "connecting" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be directly connected, and "upper," "lower," "left," and "right" are only used to indicate relative positional relationships, and when the absolute position of the object to be described is changed, the relative positional relationships may be changed;
secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to common designs, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;
and finally: the foregoing is illustrative of the preferred embodiments of the present invention, and is not to be construed as limiting the invention, and any modifications, equivalent alterations, improvements and the like made within the spirit and principle of the invention are intended to be included within the scope of the invention.
Claims (7)
1. A random sampling device for statistics, comprising a chassis (1), characterized in that: the utility model discloses a sample collection device, including chassis (1), upper end rotation of chassis (1) is connected with two running rollers (5), two the surface cover of running roller (5) is equipped with transmission band (9), two crown wheel (8) of the lower inner wall fixedly connected with of chassis (1), two crown wheel (8) all contact with transmission band (9), the surface activity of chassis (1) articulates there is lid case (10), the internally mounted of lid case (10) has three heating pipe (23), the side fixedly connected with fixed block (12) of chassis (1), case (24) are placed to the side fixedly connected with of chassis (1), the upside of fixed block (12) is provided with the pushing mechanism that can extract the sample, the inside of chassis (1) is provided with and drives transmission band (9) and carry out driven actuating mechanism.
2. The apparatus for statistically dedicated random sampling according to claim 1, wherein: pushing mechanism includes slide rail (14), slide rail (14) fixed connection is in the upper end of fixed block (12), the upper end fixedly connected with second motor (13) of fixed block (12), upper end fixedly connected with disc (15) of the output shaft of second motor (13), the fixed surface of disc (15) is connected with fore-set (16), the upper end of slide rail (14) is rotated and is connected spacing frame (17), the surface of fore-set (16) is located to spacing frame (17) cover, the side fixedly connected with half-gear (18) of spacing frame (17).
3. A statistically dedicated random sampling device according to claim 2, wherein: the inner wall of the sliding rail (14) is connected with a sliding block (19) in a sliding mode, a rack (20) is arranged at the side end of the sliding block (19), and the rack (20) is meshed with the half gear (18) and connected with the half gear.
4. A statistically dedicated random sampling device according to claim 3, wherein: the side end of slider (19) fixedly connected with five kicking blocks (21), five the side of kicking block (21) all excavates apical groove (22).
5. The apparatus for statistically dedicated random sampling according to claim 1, wherein: the driving mechanism comprises a first motor (3), the first motor (3) is fixedly connected to the inner wall of the chassis (1), an output shaft of the first motor (3) is fixedly connected with a first crawler wheel (4), a side end of one of the rollers (5) is fixedly connected with a second crawler wheel (6), and a crawler belt (7) is sleeved on the surfaces of the second crawler wheel (6) and the first crawler wheel (4).
6. The apparatus for statistically dedicated random sampling according to claim 1, wherein: the front side end and the rear side end of the cover box (10) are both provided with a plurality of tassels (11), and the lowest ends of the tassels (11) are in contact with the surface of the conveying belt (9).
7. The apparatus for statistically dedicated random sampling according to claim 1, wherein: the upper end fixedly connected with of chassis (1) two guide boards, the equal threaded connection of lower extreme four corners department of chassis (1) has bolt (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221736081.8U CN217932815U (en) | 2022-07-07 | 2022-07-07 | Special random sample extraction device for statistics |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221736081.8U CN217932815U (en) | 2022-07-07 | 2022-07-07 | Special random sample extraction device for statistics |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217932815U true CN217932815U (en) | 2022-11-29 |
Family
ID=84185825
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221736081.8U Expired - Fee Related CN217932815U (en) | 2022-07-07 | 2022-07-07 | Special random sample extraction device for statistics |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217932815U (en) |
-
2022
- 2022-07-07 CN CN202221736081.8U patent/CN217932815U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20221129 |