CN109387389B - Automatic sampling control method for coal quality detection - Google Patents
Automatic sampling control method for coal quality detection Download PDFInfo
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- CN109387389B CN109387389B CN201811257917.4A CN201811257917A CN109387389B CN 109387389 B CN109387389 B CN 109387389B CN 201811257917 A CN201811257917 A CN 201811257917A CN 109387389 B CN109387389 B CN 109387389B
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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
- G01N1/04—Devices for withdrawing samples in the solid state, e.g. by cutting
Abstract
The invention provides an automatic sampling control method for coal quality detection, which is realized based on automatic sampling equipment, wherein the automatic sampling equipment comprises a base, a lifting upright post and an electro-hydraulic push rod; the left side of the base is fixedly connected with a group of lifting motors; a group of lifting drive bevel gears are coaxially and fixedly connected to a rotating shaft of the lifting motor; the upper part of the base is connected with a group of lifting upright posts in a sliding manner; a plurality of groups of spline grooves are formed in the outer circular surface of the lifting upright post; the inner part of the base is axially connected with a group of lifting screw rods; the left end face of the sliding lead screw is coaxially and fixedly connected with a group of sliding driven bevel gears, and the top of the cross beam is fixedly connected with a group of first conveying belts. By adopting the cantilever structure, multi-point sampling at different positions is realized, the sampling is more random, the purpose of random sampling can be effectively achieved, and the sampling efficiency is improved; and mechanical automatic sampling is adopted, so that the method is safer and has higher efficiency.
Description
Technical Field
The invention belongs to the technical field of coal engineering machinery and detection equipment, and particularly relates to an automatic sampling method for coal quality detection.
Background
After coal is produced by a coal production unit or when coal is purchased by a coal unit, coal is generally required to be sampled and detected to detect the quality condition of the coal, the coal sampling is generally directly carried out in an automobile or a train carriage, and most of the existing sampling modes are manual sampling.
For example, application No.: the invention relates to the field of sampling inspection, in particular to a multipurpose coal sampler which is characterized by comprising a rod piece, a sampling cylinder, a hammer head and a clamp fork, wherein the hammer head is arranged at one end of the rod piece, the sampling cylinder is arranged at the other end of the rod piece, the clamp fork is arranged below the hammer head, two parallel finger ends are arranged on the clamp fork, and a gap with the interval of 5-8 mm and the depth of 25-35 mm is formed in the middle of the clamp fork. The inner diameter of the sampling cylinder is 70-80 mm, and the end part of the sampling cylinder is provided with a tip formed after oblique cutting. The hammer head is a pointed hammer. Compared with the prior art, the invention has the beneficial effects that: the device can be used for opening the train door and sampling, can truly reflect the quality of coal provided by suppliers for saddle steel, more objectively reflect the real content of the coal, has small size, can avoid collapse of a coal layer as much as possible, reduces the coal slip amount and meets the target of fine strategy of companies.
Based on the search of the patent and the discovery of combining equipment in the prior art, when the equipment is applied, manual sampling is carried out, the sampling efficiency is low, the sampling work has certain danger, personal injury is easily caused, only surface coal can be sampled, and the difficulty in sampling deep coal is large.
Disclosure of Invention
In order to solve the technical problems, the invention provides automatic sampling equipment for coal quality detection, which aims to solve the problems that manual sampling is low in sampling efficiency, the sampling work is dangerous to a certain extent, personal injury is easy to cause, only surface coal can be sampled, and deep coal is difficult to sample.
The invention is used for the purpose and the effect of the automatic sampling equipment for coal quality detection, and is achieved by the following specific technical means:
the automatic sampling equipment for coal quality detection comprises a base, a lifting upright post, a spline groove, an outer gear ring, a rotating seat, a beam, a circular rail, a first conveying belt, a sliding supporting plate, a spiral sampler, a lifting motor, a lifting driving bevel gear, a lifting driven shaft bevel gear, a lifting lead screw, a steering driving gear, a steering driven pulley, a second conveying belt, a steering driving pulley, a steering motor, a sliding driving bevel gear, a sliding driven bevel gear, a sliding lead screw and an electro-hydraulic push rod; the left side of the base is fixedly connected with a group of lifting motors; a group of lifting drive bevel gears are coaxially and fixedly connected to a rotating shaft of the lifting motor; the upper part of the base is connected with a group of lifting upright posts in a sliding manner; a plurality of groups of spline grooves are formed in the outer circular surface of the lifting upright post; the inner part of the base is axially connected with a group of lifting screw rods; the lower part of the lifting screw is coaxially and fixedly connected with a group of bevel gears of the lifting driven shaft; the top of the lifting upright post is axially connected with a group of rotating seats; the left side of the rotating seat is fixedly connected with a group of steering motors; a group of steering driving belt wheels are coaxially and fixedly connected to a rotating shaft of the steering motor; the left side of the rotating seat is axially connected with a group of steering driven belt wheels; a group of second conveying belts is wound on the outer sides of the steering driven belt pulley and the steering driving belt pulley together; the second conveyor belt, the steering driven belt wheel and the steering driving belt wheel form a conveyor belt transmission mechanism together; the bottom of the steering driven belt wheel is coaxially and fixedly connected with a group of steering driving gears; the bottom of the rotating seat is fixedly connected with a group of outer gear rings; the right side of the rotating seat is fixedly connected with a group of beams; the left side of the rear end face of the cross beam is fixedly connected with a group of sliding motors; a group of sliding drive bevel gears are coaxially and fixedly connected to a rotating shaft of the sliding motor; a group of sliding lead screws are axially connected inside the rotating seat; the left end face of the sliding lead screw is coaxially and fixedly connected with a group of sliding driven bevel gears; the sliding driven bevel gear is meshed with the sliding driving bevel gear to form a bevel gear transmission mechanism; a group of sliding supporting plates are connected inside the cross beam in a sliding manner; the front end surface of the sliding supporting plate is connected with a group of spiral samplers in a sliding manner; the spiral sampler is connected with the sliding support plate through the electro-hydraulic push rod; the top of crossbeam fixedly connected with a set of first conveyer belt.
The automatic sampling control method comprises the following steps:
(1) the lifting motor rotates to drive the lifting driving bevel gear to rotate, the lifting driving bevel gear drives the lifting driven shaft bevel gear to rotate through the bevel gear transmission mechanism, the lifting driven shaft bevel gear drives the lifting screw to rotate, and the lifting screw 11 drives the lifting upright post to slide up and down along the spline groove under the action of the screw nut transmission pair, so that the lifting of the whole adopted equipment is realized;
(2) the steering motor drives the steering driven belt wheel to rotate through the transmission mechanism of the transmission belt; the steering driven belt wheel drives the steering driving gear to rotate, the steering driving gear rolls on the outer gear ring under the action of the gear transmission mechanism, and the rotating seat is driven to rotate around the lifting upright post, so that the transverse beam is swung;
(3) the sliding motor drives the sliding driving bevel gear to rotate, the sliding driving bevel gear drives the sliding driven bevel gear and the sliding lead screw to rotate under the action of the bevel gear transmission mechanism, and the sliding support plate is driven to slide left and right along the circular rail under the action of the lead screw nut kinematic pair, so that the left and right sliding of the spiral sampler is realized;
(4) the electro-hydraulic push rod stretches and retracts to drive the spiral sampler to slide up and down in the sliding supporting plate, so that sampling action is realized;
(5) the collected sample coal falls onto the first conveyor belt from the discharge hole of the spiral sampler, and is conveyed to the left side by the first conveyor belt to be collected for analysis and inspection to judge whether the quality of the coal reaches the standard or not.
Further, the spline groove is matched with the base to realize the sliding connection between the lifting upright post and the base;
furthermore, the lifting screw rod is matched with the lifting upright post through a nut screw rod kinematic pair;
furthermore, the lifting driving bevel gear is meshed with the lifting driven shaft bevel gear to form a bevel gear transmission mechanism;
furthermore, the steering driving gear is meshed with the outer gear ring to form a gear transmission mechanism;
furthermore, four corners inside the cross beam are provided with a group of circular rails; the sliding supporting plate is connected with the circular rail in a sliding fit manner;
furthermore, the sliding supporting plate and the sliding lead screw are matched by a lead screw nut transmission pair;
further, the method comprises the following steps: the first conveyor belt is opposite to a discharge hole of the spiral sampler.
Compared with the prior art, the invention has the following beneficial effects:
the coal of coal-transporting vehicles with different heights can be sampled by sampling the lifting upright post of the lifting structure; the rotary seat capable of steering drives the cross beam to swing, so that coal at different angle positions is sampled, and the sampling range is enlarged; the coal sampling device has the advantages that the coal sampling device is provided with the sliding supporting plate capable of sliding left and right, so that the coal sampling at different left and right positions is realized, and the sampling range and the sampling randomness are increased; by adopting the cantilever structure, the structure is simple, the manufacturing cost is low, the movement is flexible, multi-point sampling at different positions can be realized, the sampling is more random, the purpose of random sampling can be achieved more effectively, and the sampling efficiency is improved; the sampling action of the spiral sampler is realized by adopting the electro-hydraulic push rod, the action is sensitive, the operation is stable, when the spiral sampler is blocked by a large coal briquette, the impact can be effectively buffered, the mechanical damage to sampling equipment is prevented, the spiral sampler can adapt to a complex sampling environment, the maintenance is simple, and the cost is lower; and mechanical automatic sampling is adopted, so that the method is safer and has higher efficiency.
Drawings
FIG. 1 is a schematic axial side view of the present invention.
Fig. 2 is a schematic front view of the full-section structure of the present invention.
3 fig. 3 3 3 is 3 a 3 schematic 3 sectional 3 view 3 taken 3 along 3 line 3 a 3- 3 a 3 in 3 fig. 3 2 3 according 3 to 3 the 3 present 3 invention 3. 3
FIG. 4 is a schematic cross-sectional view taken along line C-C of FIG. 2 of the present invention.
Fig. 5 is a partial enlarged structural view at F in fig. 2 according to the present invention.
Fig. 6 is a schematic diagram of the transmission mechanism shaft side structure of the present invention.
Fig. 7 is a schematic view of the present invention at a partial enlargement D of fig. 6.
Fig. 8 is a schematic view of the present invention at a portion E enlarged in fig. 6.
In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:
1-base, 2-lifting upright post, 0201-spline groove, 0202-external gear ring, 3-rotary base, 4-beam, 0401-round rail, 5-first conveyor belt, 6-sliding supporting plate, 7-spiral sampler, 8-lifting motor, 9-lifting driving bevel gear, 10-lifting driven shaft bevel gear, 11-lifting screw rod, 12-steering driving gear, 13-steering driven pulley, 14-second conveyor belt, 15-steering driving pulley, 16-steering motor, 17-sliding motor, 18-sliding driving bevel gear, 19-sliding driven bevel gear, 20-sliding screw rod and 21-electro-hydraulic push rod.
Detailed Description
The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example (b):
the invention provides an automatic sampling control method for coal quality detection, which is realized based on an automatic sampling device and is shown in the attached drawings 1 to 8:
the automatic sampling device comprises: the device comprises a base 1, a lifting upright post 2, a spline groove 0201, an outer gear ring 0202, a rotary base 3, a crossbeam 4, a circular rail 0401, a first conveyor belt 5, a sliding supporting plate 6, a spiral sampler 7, a lifting motor 8, a lifting driving bevel gear 9, a lifting driven shaft bevel gear 10, a lifting screw rod 11, a steering driving gear 12, a steering driven pulley 13, a second conveyor belt 14, a steering driving pulley 15, a steering motor 16, a sliding motor 17, a sliding driving bevel gear 18, a sliding driven bevel gear 19, a sliding screw rod 20 and an electro-hydraulic push rod 21; the left side of the base 1 is fixedly connected with a group of lifting motors 8; a group of lifting driving bevel gears 9 are coaxially and fixedly connected to a rotating shaft of the lifting motor 8; the upper part of the base 1 is connected with a group of lifting upright posts 2 in a sliding way; a plurality of groups of spline grooves 0201 are formed in the outer circular surface of the lifting upright post 2; a group of lifting screw rods 11 are axially connected inside the base 1; the lower part of the lifting screw rod 11 is coaxially and fixedly connected with a group of lifting driven shaft bevel gears 10; the top of the lifting upright post 2 is axially connected with a group of rotating seats 3; a group of steering motors 16 is fixedly connected to the left side of the rotating seat 3; a group of steering driving belt wheels 15 are coaxially and fixedly connected to a rotating shaft of the steering motor 16; the left side of the rotating seat 3 is axially connected with a group of steering driven belt wheels 13; a group of second transmission belts 14 are wound on the outer sides of the steering driven belt wheel 13 and the steering driving belt wheel 15; the second conveyor belt 14, the steering driven belt wheel 13 and the steering driving belt wheel 15 form a conveyor belt transmission mechanism together; the bottom of the steering driven belt wheel 13 is coaxially and fixedly connected with a group of steering driving gears 12; the bottom of the rotating seat 3 is fixedly connected with a group of outer gear rings 0202; a group of cross beams 4 are fixedly connected to the right side of the rotating seat 3; the left side of the rear end face of the cross beam 4 is fixedly connected with a group of sliding motors 17; a group of sliding driving bevel gears 18 are coaxially and fixedly connected to a rotating shaft of the sliding motor 17; a group of sliding screw rods 20 are axially connected inside the rotating base 3; the left end face of the sliding screw rod 20 is coaxially and fixedly connected with a group of sliding driven bevel gears 19; the sliding driven bevel gear 19 is meshed with the sliding driving bevel gear 18 to form a bevel gear transmission mechanism; a group of sliding supporting plates 6 are connected inside the cross beam 4 in a sliding manner; the front end surface of the sliding supporting plate 6 is connected with a group of spiral samplers 7 in a sliding manner; the spiral sampler 7 is connected with the sliding support plate 6 through an electro-hydraulic push rod 21; the top of the beam 4 is fixedly connected with a group of first conveyor belts 5.
Wherein, spline groove 0201 realizes lifting column 2 and base 1's sliding connection with base 1's cooperation.
Wherein, the lifting screw rod 11 and the lifting upright post 2 are matched by a nut screw rod kinematic pair.
Wherein, the lifting driving bevel gear 9 is meshed with the lifting driven shaft bevel gear 10 to form a bevel gear transmission mechanism.
Wherein, the steering driving gear 12 is meshed with the outer gear ring 0202 to form a gear transmission mechanism.
Wherein, four corners inside the beam 4 are provided with a group of round rails 0401; the sliding support plate 6 is connected with the round rail 0401 in a sliding fit manner.
Wherein, the sliding supporting plate 6 and the sliding lead screw 20 are matched by a lead screw nut transmission pair.
Wherein, the first conveyor belt 5 is opposite to the discharge hole of the spiral sampler 7.
The automatic sampling control method comprises the following steps:
(1) the lifting motor 8 rotates to drive the lifting driving bevel gear 9 to rotate, the lifting driving bevel gear 9 drives the lifting driven shaft bevel gear 10 to rotate through the bevel gear transmission mechanism, the lifting driven shaft bevel gear 10 drives the lifting screw rod 11 to rotate, and the lifting screw rod 11 drives the lifting upright post 2 to slide up and down along the spline groove 0201 under the action of the screw rod nut transmission pair, so that the lifting of the whole adopted equipment is realized;
(2) the steering motor 16 drives the steering driven belt wheel 13 to rotate through a transmission mechanism of a transmission belt; the steering driven belt wheel 13 drives the steering driving gear 12 to rotate, the steering driving gear 12 rolls on the outer gear ring 0202 under the action of the gear transmission mechanism, and drives the rotary seat 3 to rotate around the lifting upright post 2, so that the beam 4 is swung;
(3) the sliding motor 17 drives the sliding driving bevel gear 18 to rotate, the sliding driving bevel gear 18 drives the sliding driven bevel gear 19 and the sliding lead screw 20 to rotate under the action of the bevel gear transmission mechanism, and the sliding support plate 6 is driven to slide left and right along the circular track 0401 under the action of the lead screw nut kinematic pair, so that the left and right sliding of the spiral sampler 7 is realized;
(4) the electro-hydraulic push rod 21 stretches and retracts to drive the spiral sampler 7 to slide up and down in the sliding supporting plate 6, so that sampling action is realized;
(5) the collected sample coal falls onto the first conveyor belt 5 from the discharge hole of the spiral sampler 7, and is conveyed to the left side by the first conveyor belt 5 to be collected for analysis and inspection to determine whether the quality of the coal reaches the standard.
The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (8)
1. An automatic sampling control method for coal quality detection is realized based on an automatic sampling device, and is characterized in that: this an automatic sampling equipment for coal quality testing includes: the device comprises a base (1), a lifting upright post (2), a spline groove (0201), an outer gear ring (0202), a rotary base (3), a cross beam (4), a circular rail (0401), a first conveying belt (5), a sliding support plate (6), a spiral sampler (7), a lifting motor (8), a lifting driving bevel gear (9), a lifting driven shaft bevel gear (10), a lifting lead screw (11), a steering driving gear (12), a steering driven pulley (13), a second conveying belt (14), a steering driving pulley (15), a steering motor (16), a sliding motor (17), a sliding driving bevel gear (18), a sliding driven bevel gear (19), a sliding lead screw (20) and an electro-hydraulic push rod (21); the left side of the base (1) is fixedly connected with a group of lifting motors (8); a group of lifting drive bevel gears (9) are coaxially and fixedly connected to a rotating shaft of the lifting motor (8); the upper part of the base (1) is connected with a group of lifting upright posts (2) in a sliding manner; a plurality of groups of spline grooves (0201) are formed in the outer circular surface of the lifting upright post (2); the inner part of the base (1) is axially connected with a group of lifting screw rods (11); the lower part of the lifting screw rod (11) is coaxially and fixedly connected with a group of bevel gears (10) of the lifting driven shaft; the top of the lifting upright post (2) is axially connected with a group of rotating seats (3); the left side of the rotating seat (3) is fixedly connected with a group of steering motors (16); a group of steering driving belt wheels (15) is coaxially and fixedly connected to a rotating shaft of the steering motor (16); the left side of the rotating seat (3) is axially connected with a group of steering driven belt wheels (13); a group of second conveyor belts (14) are wound on the outer sides of the steering driven pulley (13) and the steering driving pulley (15) together; the second conveyor belt (14), the steering driven pulley (13) and the steering driving pulley (15) jointly form a conveyor belt transmission mechanism; the bottom of the steering driven belt wheel (13) is coaxially and fixedly connected with a group of steering driving gears (12); the bottom of the rotating seat (3) is fixedly connected with a group of outer gear rings (0202); the right side of the rotating seat (3) is fixedly connected with a group of beams (4); the left side of the rear end face of the cross beam (4) is fixedly connected with a group of sliding motors (17); a group of sliding drive bevel gears (18) are coaxially and fixedly connected to a rotating shaft of the sliding motor (17); the inner part of the rotating seat (3) is axially connected with a group of sliding lead screws (20); the left end face of the sliding lead screw (20) is coaxially and fixedly connected with a group of sliding driven bevel gears (19); the sliding driven bevel gear (19) is meshed with the sliding driving bevel gear (18) to form a bevel gear transmission mechanism; a group of sliding supporting plates (6) are connected inside the cross beam (4) in a sliding manner; the front end surface of the sliding supporting plate (6) is connected with a group of spiral samplers (7) in a sliding manner; the spiral sampler (7) is connected with the sliding supporting plate (6) through the electro-hydraulic push rod (21); the top of the cross beam (4) is fixedly connected with a group of first conveyor belts (5);
the automatic sampling control method comprises the following steps:
(1) the lifting motor (8) rotates to drive the lifting driving bevel gear (9) to rotate, the lifting driving bevel gear (9) drives the lifting driven shaft bevel gear (10) to rotate through the bevel gear transmission mechanism, the lifting driven shaft bevel gear (10) drives the lifting screw rod (11) to rotate, and the lifting screw rod (11) drives the lifting upright post (2) to slide up and down along the spline groove (0201) under the action of the screw rod nut transmission pair, so that the lifting of the whole adopted device is realized;
(2) the steering motor (16) drives the steering driven belt wheel (13) to rotate through a transmission mechanism of a transmission belt; the steering driven belt wheel (13) drives the steering driving gear (12) to rotate, the steering driving gear (12) rolls on the outer gear ring (0202) under the action of the gear transmission mechanism, and drives the rotating base (3) to rotate around the lifting upright post (2), so that the beam (4) is swung;
(3) the sliding motor (17) drives the sliding driving bevel gear (18) to rotate, the sliding driving bevel gear (18) drives the sliding driven bevel gear (19) and the sliding lead screw (20) to rotate under the action of the bevel gear transmission mechanism, and the sliding support plate (6) is driven to slide left and right along the circular track (0401) under the action of a lead screw nut kinematic pair, so that the left and right sliding of the spiral sampler (7) is realized;
(4) the electro-hydraulic push rod (21) stretches and retracts to drive the spiral sampler (7) to slide up and down in the sliding supporting plate (6) to realize sampling action;
(5) the collected sample coal falls onto the first conveyor belt (5) from the discharge hole of the spiral sampler (7), and is conveyed to the left side by the first conveyor belt (5) to be collected for analysis and inspection to determine whether the quality of the coal reaches the standard.
2. The automatic sampling control method for coal quality testing according to claim 1, characterized in that: the spline grooves (0201) are matched with the base (1) to realize sliding connection of the lifting upright column (2) and the base (1).
3. The automatic sampling control method for coal quality testing according to claim 1, characterized in that: the lifting screw (11) and the lifting upright post (2) are matched by a nut screw kinematic pair.
4. The automatic sampling control method for coal quality testing according to claim 1, characterized in that: the lifting driving bevel gear (9) is meshed with the lifting driven shaft bevel gear (10) to form a bevel gear transmission mechanism.
5. The automatic sampling control method for coal quality testing according to claim 1, characterized in that: the steering driving gear (12) is meshed with the outer gear ring (0202) to form a gear transmission mechanism.
6. The automatic sampling control method for coal quality testing according to claim 1, characterized in that: four corners inside the beam (4) are provided with a group of circular rails (0401); the sliding supporting plate (6) is connected with the circular rail (0401) in a sliding fit manner.
7. The automatic sampling control method for coal quality testing according to claim 1, characterized in that: the sliding supporting plate (6) and the sliding lead screw (20) are matched by a lead screw nut transmission pair.
8. The automatic sampling control method for coal quality testing according to claim 1, characterized in that: the first conveyor belt (5) is opposite to a discharge hole of the spiral sampler (7).
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| CN201811257917.4A CN109387389B (en) | 2018-10-26 | 2018-10-26 | Automatic sampling control method for coal quality detection |
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| CN201811257917.4A CN109387389B (en) | 2018-10-26 | 2018-10-26 | Automatic sampling control method for coal quality detection |
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| CN109387389B true CN109387389B (en) | 2021-01-05 |
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| CN111496815A (en) * | 2020-05-28 | 2020-08-07 | 西安建筑科技大学 | Column coordinate type train coal sampling manipulator and operation method thereof |
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| JPS6215431A (en) * | 1985-07-13 | 1987-01-23 | Babcock Hitachi Kk | Automatic sampling device for dust coal |
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| CN205217049U (en) * | 2015-12-09 | 2016-05-11 | 青岛中泰输送科技有限公司 | Coal stove sampling mechanism powder device |
| CN205426546U (en) * | 2015-12-16 | 2016-08-03 | 西安建筑科技大学 | Four degree of freedom coal sampling cars that independently turn to |
| CN206930478U (en) * | 2017-07-25 | 2018-01-26 | 内蒙古自治区石油化工监督检验研究院 | A kind of high coal sampler of operating efficiency |
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2018
- 2018-10-26 CN CN201811257917.4A patent/CN109387389B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6215431A (en) * | 1985-07-13 | 1987-01-23 | Babcock Hitachi Kk | Automatic sampling device for dust coal |
| CN202668554U (en) * | 2012-05-31 | 2013-01-16 | 江苏长虹汽车装备集团有限公司 | Driving mechanism assembly for stretching and swinging of arm of robot |
| CN104748997A (en) * | 2015-01-22 | 2015-07-01 | 浙江华电电站设备有限公司 | Bridge-type intelligentized car coal sampling machine and sampling method thereof |
| CN204575363U (en) * | 2015-05-19 | 2015-08-19 | 贺英 | Coal samling device |
| CN205217049U (en) * | 2015-12-09 | 2016-05-11 | 青岛中泰输送科技有限公司 | Coal stove sampling mechanism powder device |
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