CN216669324U - Sampling mechanism for sampling coal as fired - Google Patents
Sampling mechanism for sampling coal as fired Download PDFInfo
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- CN216669324U CN216669324U CN202122245032.6U CN202122245032U CN216669324U CN 216669324 U CN216669324 U CN 216669324U CN 202122245032 U CN202122245032 U CN 202122245032U CN 216669324 U CN216669324 U CN 216669324U
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- 238000005070 sampling Methods 0.000 title claims abstract description 177
- 239000003245 coal Substances 0.000 title claims abstract description 55
- 238000007789 sealing Methods 0.000 claims description 12
- 230000005540 biological transmission Effects 0.000 abstract description 13
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001739 rebound effect Effects 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
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Abstract
The utility model discloses a sampling mechanism for sampling as-fired coal, which relates to the field of sampling as-fired coal and comprises a sampling frame and a transmission belt, wherein the sampling frame is arranged on the outer side of the transmission belt, and the inner side wall of the sampling frame is attached to the side wall of the transmission belt; according to the coal sampling device, the screw rod is driven to rotate by the driving motor, so that the screw thread between the screw sleeve and the screw rod rotates, the screw sleeve is driven by the screw rod to move to one end far away from the sampling groove along with the sampling plate, then the sampling plate extends out through the air cylinder, the bottom of the sampling plate is in contact with the transmission belt, then the screw rod is driven by the driving motor to rotate, the sampling plate is driven by the screw rod to move to one end of the sampling groove along with the screw sleeve, so that coal on the transmission belt is scraped to the sampling groove and sent out, the air cylinder contracts, the sampling plate is lifted, then the screw rod rotates back and forth, the sampling work is completed at the initial position, and the next action is waited, so that the full-section sampling of the coal sample is realized, and the authenticity of sampling data is improved.
Description
Technical Field
The utility model relates to the technical field of coal as fired sampling, in particular to a sampling mechanism for sampling coal as fired.
Background
Coal is used as an energy resource, mainly used for producing electric power and heat energy by combustion, China is one of the most abundant countries of coal resources in the world, the usage amount of the coal is large, coal mines need to be mined and carried before the coal is used, then the coal mines need to be sampled and researched before the coal mines are mined, so that the quality of the coal is judged, and therefore a coal-entering-furnace sampling mechanism needs to be used for coal mine sampling operation;
according to understanding, among the present power plant's coal as fired sampling system, the sampling head is rotatory hopper sampling head basically, because the belt is influenced by the bearing roller, and the belt is not the arc shape, when leading to sampling head and belt contact sampling, the belt bottom has the clearance about 5 centimetres with the sampling head at least, under the coal measure normal condition, can not realize full section sampling, when the coal quality is relatively poor, will be to influencing the authenticity of sampling data. Under the condition of small coal quantity, the sampling quantity is small every time, and even a coal sample cannot be obtained.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problems that the prior art can not realize full-section sampling and influences the authenticity of sampled data; and under the condition of small coal quantity, the sampling quantity is less every time, even the coal sample can not be sampled, so that the sampling mechanism for sampling the coal as fired is provided.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a sampling mechanism for sampling as-fired coal comprises a sampling frame and a conveying belt, wherein the sampling frame is arranged outside the conveying belt, and the inner side wall of the sampling frame is attached to the side wall of the conveying belt;
sampling frame lower part fixedly connected with spout, the spout inner chamber rotates and is connected with the lead screw, sampling frame right side wall fixedly connected with driving motor, driving motor output shaft end and lead screw fixed connection, lead screw lateral wall threaded connection has the thread bush, thread bush bottom fixedly connected with cylinder, cylinder bottom fixedly connected with expansion plate, expansion plate bottom fixedly connected with sampling plate, sampling groove has been seted up to sampling frame left side wall.
Preferably, the inside sealed spout of having seted up of expansion plate, sliding connection has the piston board in the sealed spout, the inside fixedly connected with piston rod of sampling plate, piston rod and sealed spout inner chamber intercommunication, piston rod outer end fixedly connected with push pedal.
Preferably, the sampling plate both sides are the arc setting, just the sampling plate external diameter is less than the sample groove internal diameter.
Preferably, the side wall of the inner cavity of the sealed sliding chute is fixedly connected with a return spring, and the other end of the return spring is fixedly connected with the side wall of the piston plate.
Preferably, the bottom of the sampling frame is provided with a limiting sliding groove, the upper part of the threaded sleeve is fixedly connected with a limiting sliding block, and the limiting sliding block is connected with the limiting sliding groove in a sliding manner.
Preferably, the side wall of the sampling frame at the output end of the sampling groove is fixedly connected with a conical collecting groove, and the bottom of the conical collecting groove is in threaded connection with a sampling barrel.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the coal sampling device, the screw rod is driven to rotate by the driving motor, so that the screw thread between the screw sleeve and the screw rod rotates, the screw sleeve is driven by the screw rod to move to one end far away from the sampling groove along with the sampling plate, then the sampling plate extends out through the air cylinder, the bottom of the sampling plate is in contact with the transmission belt, then the screw rod is driven by the driving motor to rotate, the sampling plate is driven by the screw rod to move to one end of the sampling groove along with the screw sleeve, so that coal on the transmission belt is scraped to the sampling groove and sent out, the air cylinder contracts, the sampling plate is lifted, then the screw rod rotates back and forth, the sampling work is completed at the initial position, and the next action is waited, so that the full-section sampling of the coal sample is realized, and the authenticity of sampling data is improved.
2. According to the utility model, the piston plate is abutted by the piston plate sampling frame, so that the piston plate is contracted towards the inside of the expansion plate, the gas in the sealing chute is compressed, the internal pressure intensity of the sealing chute is increased, and the piston rod is communicated with the inner cavity of the sealing chute, so that the compressed gas can enter the piston rod, the output end of the piston rod is ejected, and the push plate is extended towards the sampling groove, so that the coal in the sampling plate is also pushed into the sampling groove, the condition that the sampling data accuracy is not enough due to insufficient sampling quantity is avoided, the phenomenon that part of the coal is accumulated at the edge of the transmission belt to scatter is also avoided, and the practicability of the device is improved.
Drawings
FIG. 1 is a schematic overall front view of a sampling mechanism for sampling coal as fired according to the present invention;
FIG. 2 is a schematic view of a partial cross-sectional structure of a sampling mechanism for sampling coal as fired according to the present invention;
FIG. 3 is an enlarged schematic structural view of an area A in FIG. 2 of a sampling mechanism for sampling coal as fired according to the present invention;
FIG. 4 is a schematic view of the internal structure of a retractable plate of a sampling mechanism for sampling coal as fired according to the present invention.
In the figure: 1. a sampling frame; 101. a limiting chute; 2. a conveyor belt; 3. a chute; 4. a lead screw; 41. a threaded sleeve; 411. a limiting slide block; 5. a drive motor; 6. a cylinder; 7. a retractable plate; 71. sealing the chute; 711. a return spring; 72. a piston plate; 8. a sampling plate; 81. a piston rod; 82. pushing the plate; 9. a sampling groove; 91. a tapered collection trough; 92. sampling bucket.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1, 2 and 3, the sampling mechanism for sampling the coal as fired comprises a sampling frame 1 and a conveying belt 2, wherein the sampling frame 1 is arranged on the outer side of the conveying belt 2, and the inner side wall of the sampling frame 1 is attached to the side wall of the conveying belt 2;
1 lower part fixedly connected with spout 3 of sampling frame, 3 inner chambers of spout rotate and are connected with lead screw 4, 1 right side wall fixedly connected with driving motor 5 of sampling frame, 5 output shaft ends and 4 fixed connections of lead screw, 4 lateral wall threaded connection of lead screw have thread bush 41, 41 bottom fixedly connected with cylinders 6 of thread bush, 6 bottom fixedly connected with expansion plate 7 of cylinders, 7 bottom fixedly connected with sampling plates 8 of expansion plate, sampling groove 9 has been seted up to 1 left side wall of sampling frame.
Through the setting of above-mentioned structure, when needs are sampled, drive lead screw 4 through driving motor 5 and rotate, make take place the screw thread and rotate between thread bush 41 and the lead screw 4, thereby make thread bush 41 take sampling plate 8 to remove to the one end of keeping away from sample groove 9, then stretch out through cylinder 6, make sampling plate 8 bottom and transmission band 2 contact, then rethread driving motor 5 drives lead screw 4 and rotates, make sampling plate 8 follow thread bush 41, remove to the one end of sample groove 9, thereby scrape the coal on the transmission band 2 and fall to in sample groove 9 and send out, make cylinder 6 shrink immediately, lift sampling plate 8, then reciprocal rotation through lead screw 4, return initial position and accomplish sampling work, wait for next time and move, thereby realized the full section sampling to the coal sample, the authenticity of sampling data has been improved.
Referring to fig. 3 and 4, a sealing chute 71 is formed in the expansion plate 7, a piston plate 72 is connected in the sealing chute 71 in a sliding manner, a piston rod 81 is fixedly connected in the sampling plate 8, the piston rod 81 is communicated with an inner cavity of the sealing chute 71, and a push plate 82 is fixedly connected to the outer end of the piston rod 81;
through the arrangement of the structure, when the piston plate 72 moves to the sampling frame 1 in the sampling groove 9 along with the threaded sleeve 41, the threaded sleeve 41 can continue to move to the sampling groove 9, so that the piston plate 72 contracts towards the inside of the expansion plate 7, so that the gas in the sealed sliding groove 71 is compressed, the internal pressure of the gas is increased, and the piston rod 81 is communicated with the inner cavity of the sealed sliding groove 71, so that the compressed gas can enter the piston rod 81, the output end of the gas is ejected out, so that the push plate 82 extends towards the sampling groove 9, so that the coal in the sampling plate 8 is also pushed into the sampling groove 9, the condition that the sampling amount is insufficient to cause the accuracy of sampling data is avoided, the phenomenon that part of the coal is accumulated at the edge of the transmission belt 2 to scatter is also avoided, and the practicability of the device is improved.
Referring to fig. 1, both sides of the sampling plate 8 are arc-shaped, and the outer diameter of the sampling plate 8 is smaller than the inner diameter of the sampling groove 9;
through the setting of above-mentioned structure, at first can ensure that push pedal 82 unloads away the inside coal charge of sampling plate 8, secondly, can ensure to gather the coal charge better through curved setting, avoid at the acquisition in-process, the coal charge from the condition of getting model 8 both sides roll-off, has passed through the sampling efficiency of the device.
Referring to fig. 4, a return spring 711 is fixedly connected to a side wall of an inner cavity of the sealing chute 71, and the other end of the return spring 711 is fixedly connected to a side wall of the piston plate 72;
through the arrangement of the structure, when the sampling plate 8 returns to the initial position, the piston plate 72 will stretch out under the rebound effect of the return spring 711, so that the gas pressed into the piston rod 81 is pumped out, the push plate 82 also returns to the initial position, and the normal operation of the next sampling operation is facilitated.
Referring to fig. 2 and 3, a limiting sliding groove 101 is formed at the bottom of the sampling frame 1, a limiting sliding block 411 is fixedly connected to the upper part of the threaded sleeve 41, and the limiting sliding block 411 is slidably connected with the limiting sliding groove 101;
through the arrangement of the structure, when the threaded sleeve 41 and the lead screw 4 are in threaded rotation, the threaded sleeve cannot rotate or deviate, the lower sampling plate 8 can be stably sampled, and the stability of the sampling process is improved.
Referring to fig. 1, a tapered collecting tank 91 is fixedly connected to the side wall of the sampling frame 1 at the output end of the sampling tank 9, and a sampling barrel 92 is connected to the bottom of the tapered collecting tank 91 through a thread;
through the setting of above-mentioned structure, can be by oneself collect the coal sample, after the sampling is accomplished only need pull down sampling bucket 92 can, convenient and fast has saved the manual work more, has improved sampling efficiency.
Referring to fig. 1-4, in the present invention, when sampling is required, the screw rod 4 is driven to rotate by the driving motor 5, so that the threaded sleeve 41 and the screw rod 4 are in threaded rotation, the threaded sleeve 41 carries the sampling plate 8 to move to the end far away from the sampling groove 9, then the sampling plate 8 is extended out through the cylinder 6, so that the bottom of the sampling plate 8 is contacted with the transmission belt 2, then the driving motor 5 drives the screw rod 4 to rotate, so that the sampling plate 8 moves to one end of the sampling groove 9 along with the threaded sleeve 41, so as to scrape the coal on the conveying belt 2 down into the sampling groove 9 and send out, then the cylinder 6 is contracted, the sampling plate 8 is lifted up, then, the screw rod 4 is rotated back and forth, the initial position is returned to complete sampling work, and the next action is waited, so that the full-section sampling of the coal sample is realized, and the authenticity of the sampling data is improved;
moreover, when the piston plate 72 moves to contact with the sampling frame 1 at the sampling slot 9 along with the threaded sleeve 41, the threaded sleeve 41 moves continuously to the sampling slot 9, so that the piston plate 72 contracts towards the inside of the expansion plate 7, so that the gas in the sealed sliding slot 71 is compressed, the internal pressure intensity is increased, and the piston rod 81 is communicated with the inner cavity of the sealed sliding slot 71, so that the compressed gas enters the inside of the piston rod 81, the output end of the piston rod is ejected, the push plate 82 extends towards the sampling slot 9, so that the coal material in the sampling plate 8 is pushed into the sampling slot 9, the condition that the sampling data accuracy is not enough due to insufficient sampling amount is avoided, the phenomenon that part of the coal material is scattered due to accumulation at the edge of the transmission belt 2 is also avoided, and the practicability of the device is improved;
the above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (6)
1. A sampling mechanism for sampling as-fired coal comprises a sampling frame (1) and a conveying belt (2), and is characterized in that the sampling frame (1) is arranged on the outer side of the conveying belt (2), and the inner side wall of the sampling frame (1) is attached to the side wall of the conveying belt (2);
sampling frame (1) lower part fixedly connected with spout (3), spout (3) inner chamber rotates and is connected with lead screw (4), sampling frame (1) right side wall fixedly connected with driving motor (5), driving motor (5) output shaft end and lead screw (4) fixed connection, lead screw (4) lateral wall threaded connection has thread bush (41), thread bush (41) bottom fixedly connected with cylinder (6), cylinder (6) bottom fixedly connected with expansion plate (7), expansion plate (7) bottom fixedly connected with sampling plate (8), sampling groove (9) have been seted up to sampling frame (1) left side wall.
2. The sampling mechanism for sampling the coal as fired according to claim 1, wherein a sealing sliding groove (71) is formed in the expansion plate (7), a piston plate (72) is connected in the sealing sliding groove (71) in a sliding manner, a piston rod (81) is fixedly connected in the sampling plate (8), the piston rod (81) is communicated with an inner cavity of the sealing sliding groove (71), and a push plate (82) is fixedly connected to the outer end of the piston rod (81).
3. The sampling mechanism for sampling coal as fired according to claim 2, characterized in that both sides of the sampling plate (8) are arc-shaped, and the outer diameter of the sampling plate (8) is smaller than the inner diameter of the sampling groove (9).
4. The sampling mechanism for sampling the coal as fired according to claim 3, characterized in that a return spring (711) is fixedly connected to the side wall of the inner cavity of the sealing chute (71), and the other end of the return spring (711) is fixedly connected to the side wall of the piston plate (72).
5. The sampling mechanism for sampling the coal as fired according to claim 1, wherein a limiting sliding groove (101) is formed in the bottom of the sampling frame (1), a limiting sliding block (411) is fixedly connected to the upper portion of the threaded sleeve (41), and the limiting sliding block (411) is slidably connected with the limiting sliding groove (101).
6. The sampling mechanism for sampling the coal as fired according to claim 1, characterized in that a conical collecting tank (91) is fixedly connected to the side wall of the sampling frame (1) at the output end of the sampling tank (9), and a sampling barrel (92) is connected to the bottom of the conical collecting tank (91) in a threaded manner.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202122245032.6U CN216669324U (en) | 2021-09-16 | 2021-09-16 | Sampling mechanism for sampling coal as fired |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202122245032.6U CN216669324U (en) | 2021-09-16 | 2021-09-16 | Sampling mechanism for sampling coal as fired |
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Publication Number | Publication Date |
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CN216669324U true CN216669324U (en) | 2022-06-03 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN202122245032.6U Withdrawn - After Issue CN216669324U (en) | 2021-09-16 | 2021-09-16 | Sampling mechanism for sampling coal as fired |
Country Status (1)
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CN (1) | CN216669324U (en) |
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2021
- 2021-09-16 CN CN202122245032.6U patent/CN216669324U/en not_active Withdrawn - After Issue
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Granted publication date: 20220603 Effective date of abandoning: 20231219 |
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AV01 | Patent right actively abandoned |
Granted publication date: 20220603 Effective date of abandoning: 20231219 |