CN207396132U - A kind of belt head portion sampler and its sampling head - Google Patents
A kind of belt head portion sampler and its sampling head Download PDFInfo
- Publication number
- CN207396132U CN207396132U CN201720722648.9U CN201720722648U CN207396132U CN 207396132 U CN207396132 U CN 207396132U CN 201720722648 U CN201720722648 U CN 201720722648U CN 207396132 U CN207396132 U CN 207396132U
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- sampling
- door
- sampling head
- material mouth
- sampler
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- 238000005070 sampling Methods 0.000 title claims abstract description 118
- 239000003245 coal Substances 0.000 claims abstract description 57
- 239000000463 material Substances 0.000 claims abstract description 40
- 238000005192 partition Methods 0.000 claims description 8
- 238000009434 installation Methods 0.000 claims description 7
- 238000001514 detection method Methods 0.000 claims description 3
- 230000007306 turnover Effects 0.000 claims description 3
- 235000019580 granularity Nutrition 0.000 description 8
- 238000007599 discharging Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000008450 motivation Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000004886 head movement Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Sampling And Sample Adjustment (AREA)
Abstract
This application discloses a kind of sampling head of belt head portion sampler, including：Sampling peck is provided with material mouth above the sampling peck, and the plane where the material mouth favours horizontal plane and for vertical with the mean trajectory of coal stream, and the bottom of the sampling peck is provided with door；Door driving mechanism is drivingly connected with the door, for the door to be driven to open and close.Sampling head in the application is when coal stream is collected, since the mean trajectory of coal stream is perpendicular to the plane where material mouth, i.e. the entire cross section of coal stream is parallel to the plane where material mouth, each point can be simultaneously into feeding mouth, so that the sampling probability of the entire cross section of coal stream is consistent on the same cross section of coal stream.Disclosed herein as well is a kind of belt head portion samplers comprising the sampling head.
Description
Technical field
The utility model is related to material sampling technique field, more particularly to a kind of sampling head of belt head portion sampler.Also
It is related to a kind of belt head portion sampler comprising the sampling head.
Background technology
The sampling of material can carry out during Belt Conveying material, such as the sampling of coal, a kind of existing sampling
Mode is to fall to flow coal sampling, i.e., coal is transported to the head of belt, is sampled during coal falls, the equipment of sampling
Referred to as belt head portion sampler.Belt head portion sampler is arranged at the blanking on main belt conveyor head.In belt head portion blanking
Place greatly, is both provided with coal stream buffer board, coal stream buffering there are the impact of coal stream at the situation more than dust, usually main belt conveyor blanking
Plate is vertically arranged, and is kept off at the blanking on main belt conveyor head.
The sampling head of existing belt head portion sampler when being sampled, shifted near along the conveying direction of main belt conveyor or
At blanking away from main belt conveyor head, the top of sampling head sets opening, and for collecting coal stream, the bottom of sampling head is set
Door, for discharging.But between the open top and coal stream due to sampling head, there are angles, in a sampling process, coal
The probability got by sampling head of certain one side of stream is much larger than opposite side, and the probability being sampled of the entire cross section of coal stream everywhere is not
Equilibrium, not meeting GB/T19494.1-2004 standards, " opening of cutter should be designed so that each several part of coal stream passes through opening
Time is equal " requirement.
In conclusion how to solve that belt head portion sampler is inconsistent to the sampling probability of the entire cross section of coal stream to ask
Topic, becomes those skilled in the art's urgent problem to be solved.
The content of the invention
In view of this, the purpose of this utility model is to provide a kind of sampling head of belt head portion sampler, make coal stream whole
The sampling probability of a cross section is consistent.
Another of the utility model is designed to provide a kind of belt head portion sampler comprising the sampling head, makes coal stream
The sampling probability of entire cross section is consistent.
In order to achieve the above objectives, the utility model provides following technical scheme：
A kind of sampling head of belt head portion sampler, including：
Sampling peck is provided with material mouth above the sampling peck, and the plane where the material mouth favours horizontal plane and is used in combination
In vertical with the mean trajectory of coal stream, the bottom of the sampling peck is provided with door；
Door driving mechanism is drivingly connected with the door, for the door to be driven to open and close.
Preferably, in above-mentioned sampling head, further include and be arranged on two pieces of granularities that the material mouth is located at horizontal both sides
Adjustable plate, for adjusting the transverse width of material mouth.
Preferably, in above-mentioned sampling head, the door is arc single open-door structure, arc double swing doors, is hinged
Door, turnover panel door or flashboard door.
Preferably, in above-mentioned sampling head, the door driving mechanism be telescoping cylinder, the footpath of the rotation axis of the door
It sets up there are one connecting rod, one end of the telescoping cylinder is fixed on sampling peck, the other end of the telescoping cylinder and the company
Bar is hinged.
Preferably, in above-mentioned sampling head, the telescoping cylinder is cylinder, hydraulic cylinder or electric cylinder.
Preferably, in above-mentioned sampling head, partition plate is provided in the sampling peck, the sampling peck passes through the partition plate
Mutually independent feed bin and installation storehouse are separated into, the door driving mechanism is arranged in the installation storehouse.
Preferably, it is described to further include the magnetic detection being arranged in the door driving mechanism in above-mentioned sampling head
Switch, for detecting whether the door is opened and closed in place.
Preferably, in above-mentioned sampling head, the transverse width of the material mouth is more than or equal to 3 times of coal charge granularity, described
The length of material mouth is more than the depth of section of coal stream.
The utility model additionally provides a kind of belt head portion sampler, including sampling head and sampler frame, the sampling
Head movement is arranged on the sampler frame, and the sampling head is sampling head as described above.
Preferably, in above-mentioned belt head portion sampler, the sampling head is set along the transverse shifting of main belt conveyor
In on the sampler frame.
Compared with prior art, the beneficial effects of the utility model are：
In the sampling head of belt head portion sampler provided by the utility model, the material mouth of sampling head is arranged on the top of sampling peck
Portion, the plane where material mouth favour horizontal plane and perpendicular to the mean trajectories of coal stream.Therefore, when sampling head collects coal stream
It waits, since the mean trajectory of coal stream is perpendicular to the plane where material mouth, i.e., the entire cross section of coal stream is parallel to where material mouth
Plane, each point can be simultaneously into feeding mouth, so that the sampling probability one of the entire cross section of coal stream on the same cross section of coal stream
It causes.
Sampling head in belt head portion sampler samples provided by the utility model the application, can ensure that coal stream is entire
The sampling probability of cross section is consistent.
In addition, the sampling head of the belt head portion sampler in one embodiment of the utility model is moved along the transverse direction of main belt conveyor
Dynamic to be arranged on sampler frame, i.e. sampling head being cut transversely into and cutting out along coal stream, the door closed state of sampling head is from master
The discharge level of the horizontal one side of belt conveyor runs to the pause position of opposite side, and after sampling head reaches pause position, door opening is unloaded
Material is then shut off door, then returns to discharge level from pause position, and door opens discharging and turns off door, and completion once samples.Entirely
A full face coal sample is only remained in the process, avoids double sampling phenomenon, improves the representativeness of sampling.
Description of the drawings
It in order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is the embodiment of the utility model, for those of ordinary skill in the art, without creative efforts, also
Other attached drawings can be obtained according to the attached drawing of offer.
Fig. 1 is a kind of structure diagram of the sampling head for belt head portion sampler that the utility model embodiment provides；
Fig. 2 is the side view of Fig. 1；
Fig. 3 is a kind of structure diagram for belt head portion sampler that the utility model embodiment provides；
Fig. 4 is the side view of Fig. 3.
Wherein, 01 it is main belt conveyor, 02 be sampler frame, 03 be sampling head, 04 be coal stream buffer board, 1 is granularity
Adjustable plate, 2 be sampling peck, 21 be installation storehouse, 22 be material mouth, 3 be door, 4 be telescoping cylinder, 5 be connecting rod, 6 be rotation axis, 7 be
Bearing, 8 are partition plate.
Specific embodiment
The core of the utility model can make coal stream entirely transversal there is provided a kind of sampling head of belt head portion sampler
The sampling probability in face is consistent.
The utility model additionally provides a kind of belt head portion sampler comprising the sampling head, and coal stream can be made entirely transversal
The sampling probability in face is consistent.
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
It clearly and completely describes, it is clear that the described embodiments are only a part of the embodiments of the utility model rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work
All other embodiments obtained shall fall within the protection scope of the present invention.
- Fig. 3 is please referred to Fig.1, the utility model embodiment provides a kind of sampling head of belt head portion sampler, including taking
Sample bucket 2 and door driving mechanism, wherein, the top of sampling peck 2 is provided with material mouth 22, and the plane where material mouth 22 favours water
Plane and for vertical with the mean trajectory of coal stream, the bottom of sampling peck is provided with door 3；Door driving mechanism is driven with door 3
Dynamic connection, for door 3 to be driven to open and close.
During work, by the material mouth 22 of sampling head at the blanking on main 01 head of belt conveyor, coal stream enters sampling peck 2
It is interior, by door driving mechanism door 3 is driven to open and close, realize the collection and discharging of coal charge.Coal stream is collected in sampling head
When, since the mean trajectory of coal stream is perpendicular to the plane where material mouth 22, i.e., the entire cross section of coal stream is parallel to material mouth
Plane where 22, each point can be simultaneously into feeding mouth 22, so that the entire cross section of coal stream on the same cross section of coal stream
It is consistent to sample probability, meets the requirement of GB/T19494.1-2004 standards, improves the representativeness of sampling.
Further, in the present embodiment, sampling head, which further includes, is arranged on two pieces of grains that material mouth 22 is located at horizontal both sides
Adjustable plate 1 is spent, two pieces of granularity adjustable plates can be to the close inclination in the centre position of material mouth, for adjusting the laterally wide of material mouth 22
Degree, it is convenient that the size of material mouth 22 is adjusted to adapt to different sampling granularities, it is preferable that after being adjusted by granularity adjustable plate 1
The transverse width of material mouth 22 be not less than 3 times of coal stream granularity, the length of material mouth 22 is more than the depth of section of coal stream.Certainly,
Granularity adjustable plate 1 can be not provided with, using the material mouth 22 of fixed size.
As shown in Fig. 2, in the present embodiment, door 3 is arc single open-door structure, arc double swing doors, hinged door,
Turnover panel door or flashboard door.Preferably arc single open-door structure, arc single open-door structure are one piece of arc panel, and arc panel covers on
At discharge port, the both sides arc-shaped side of arc panel is articulated with by articulated slab on sampling peck, and the structure of arc single open-door structure is simple,
It occupies little space.Arc single open-door structure is rotationally connected with especially by rotation axis 6 and bearing 7 on sampling peck 2, is driven by door
Motivation structure driving arc single open-door rotates, and realizes the opening and closing of arc single open-door.Arc double swing doors are two pieces of arcs
Plate, two pieces of arc panels rotate in opposite direction, realize the opening and closing of discharge port.Other doors 3 can equally be realized out
It opens and closes.
In the present embodiment, door driving mechanism is telescoping cylinder 4, and there are one connect for the radially setting of the rotation axis 6 of door 3
Bar 5, one end of telescoping cylinder 4 are connected on sampling peck 2, and the other end and connecting rod 5 of telescoping cylinder 4 are hinged.Pass through stretching for telescoping cylinder 4
Contracting, promote connecting rod 5 around rotation axis 6 axis rotate, and then drive door 3 rotated around rotation axis 6, realize door 3 unlatching and
It closes.
Further, in the present embodiment, telescoping cylinder 4 is cylinder, hydraulic cylinder or electric cylinder.As long as it can realize that driving connects
Bar 5 rotates.
In order to further ensure the reliability that door 3 opens and closes, in the present embodiment, sampling head, which further includes, to be arranged at
Magnetic detection switch in door driving mechanism, can check whether door 3 is opened and closed in place, can effectively prevent sampler leakage from adopting,
Sky adopts phenomenon.
As shown in Figure 1, in the present embodiment, partition plate 8 is provided in sampling peck 2, sampling peck 2 is separated into phase by partition plate 8
Mutually independent feed bin and installation storehouse 21, partition plate 8 are vertically arranged, and door driving mechanism is arranged in installation storehouse 21.In this way, door drives
Motivation structure is small by external environment influence, can improve the reliability of system operation.
As shown in Figure 3 and Figure 4, the utility model embodiment additionally provides a kind of belt head portion sampler, including sampling head
03 and sampler frame 02, the movement of sampling head 03 is arranged on sampler frame 02.Wherein, sampling head 03 is implemented for any of the above
The described sampling head 03 of example.
Since belt head portion sampler uses the sampling head 03 in the application, in the collection coal stream of sampling head 03
It waits, since the mean trajectory of coal stream is perpendicular to the plane where material mouth 22, i.e., the entire cross section of coal stream is parallel to 22 institute of material mouth
Plane, each point can be simultaneously into feeding mouth 22, so that the sampling of the entire cross section of coal stream on the same cross section of coal stream
Probability is consistent, meets the requirement of GB/T19494.1-2004 standards, improves the representativeness of sampling.
Further, in the present embodiment, sampling head 03 is arranged at sampler frame along the transverse shifting of main belt conveyor 01
On frame 02.That is being cut transversely into and cutting out along coal stream of sampling head 03,3 closed state of door of sampling head 03 are sampling heads 03 from master
The discharge level of the horizontal one side of belt conveyor 01 runs to the pause position of opposite side, and after sampling head 03 reaches pause position, door 3 is beaten
It starts discharging material, is then shut off door 3, then discharge level is returned to from pause position, door 3 opens discharging and turns off door 3, and completion is once adopted
Sample.A full face coal sample is only remained in whole process, avoids double sampling phenomenon, improves the representativeness of sampling.
Simultaneously as transverse shifting of the sampling head 03 along main belt conveyor 01, therefore, the movement of sampling head 03 will not be subject to coal stream to buffer
The stop of plate 04 can will sample increment and move larger distance.
Each embodiment is described by the way of progressive in this specification, the highlights of each of the examples are with other
The difference of embodiment, just to refer each other for identical similar portion between each embodiment.
The foregoing description of the disclosed embodiments enables professional and technical personnel in the field to realize or new using this practicality
Type.A variety of modifications of these embodiments will be apparent for those skilled in the art, determine herein
The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause
This, the utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The most wide scope consistent with features of novelty.
Claims (10)
1. a kind of sampling head of belt head portion sampler, which is characterized in that including：
Sampling peck (2) is provided with material mouth (22) above the sampling peck (2), and the plane where the material mouth (22) favours
Horizontal plane and for vertical with the mean trajectory of coal stream, the bottom of the sampling peck (2) is provided with door (3)；
Door driving mechanism is drivingly connected with the door (3), for the door (3) to be driven to open and close.
2. sampling head according to claim 1, which is characterized in that further include and be arranged on being located at laterally for the material mouth (22)
Both sides two pieces of granularity adjustable plates (1), for adjusting the transverse width of the material mouth (22).
3. sampling head according to claim 1, which is characterized in that the door (3) is arc single open-door structure, arc is double
Opening structure, hinged door, turnover panel door or flashboard door.
4. sampling head according to claim 1, which is characterized in that the door driving mechanism be telescoping cylinder (4), the storehouse
There are one connecting rod (5), one end of the telescoping cylinder (4) is connected to the sampling peck (2) for the radially setting of the rotation axis of door (3)
On, the other end and the connecting rod (5) of the telescoping cylinder (4) are hinged.
5. sampling head according to claim 4, which is characterized in that the telescoping cylinder (4) is cylinder, hydraulic cylinder or electronic
Cylinder.
6. sampling head according to claim 1, which is characterized in that partition plate (8) is provided in the sampling peck (2), it is described
Sampling peck (2) is separated into mutually independent feed bin and installation storehouse (21) by the partition plate (8), and the door driving mechanism is set
In installation storehouse (21).
7. according to claim 1-6 any one of them sampling heads, which is characterized in that further include and be arranged at the door driving machine
Magnetic detection switch on structure, for detecting whether the door (3) is opened and closed in place.
8. sampling head according to claim 1, which is characterized in that the transverse width of the material mouth (22) is greater than or equal to coal
3 times of material granularity, the length of the material mouth (22) are more than the depth of section of coal stream.
9. a kind of belt head portion sampler, including sampling head (03) and sampler frame (02), sampling head (03) movement is set
It is placed on the sampler frame (02), which is characterized in that the sampling head (03) is such as claim 1-8 any one of them
Sampling head.
10. belt head portion sampler according to claim 9, which is characterized in that the sampling head (03) is along main conveying skin
The transverse shifting of band (01) is arranged on the sampler frame (02).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720722648.9U CN207396132U (en) | 2017-06-20 | 2017-06-20 | A kind of belt head portion sampler and its sampling head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720722648.9U CN207396132U (en) | 2017-06-20 | 2017-06-20 | A kind of belt head portion sampler and its sampling head |
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| Publication Number | Publication Date |
|---|---|
| CN207396132U true CN207396132U (en) | 2018-05-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720722648.9U Expired - Fee Related CN207396132U (en) | 2017-06-20 | 2017-06-20 | A kind of belt head portion sampler and its sampling head |
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| Country | Link |
|---|---|
| CN (1) | CN207396132U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109297745A (en) * | 2018-11-30 | 2019-02-01 | 河北中煤旭阳焦化有限公司 | A kind of automatic sampling apparatus |
| CN112857889A (en) * | 2021-02-24 | 2021-05-28 | 煤炭科学技术研究院有限公司 | Belt stop sampling frame |
-
2017
- 2017-06-20 CN CN201720722648.9U patent/CN207396132U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109297745A (en) * | 2018-11-30 | 2019-02-01 | 河北中煤旭阳焦化有限公司 | A kind of automatic sampling apparatus |
| CN112857889A (en) * | 2021-02-24 | 2021-05-28 | 煤炭科学技术研究院有限公司 | Belt stop sampling frame |
| CN112857889B (en) * | 2021-02-24 | 2023-03-21 | 煤炭科学技术研究院有限公司 | Belt stop sampling frame |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190529 Address after: 410100 Xingsha Industrial Base (Changlong Street), Changsha Economic and Technological Development Zone, Changsha City, Hunan Province, No. 1259, Liangtang East Road Patentee after: Kaiyuan Instrument Co., Ltd., Changsha Address before: 410100 No. 172 Kaiyuan Road, Changsha economic and Technological Development Zone, Hunan Patentee before: Changsha Kaiyuan Instruments Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180522 Termination date: 20190620 |