CN112919006B - Coal passing density detection device and use method thereof - Google Patents
Coal passing density detection device and use method thereof Download PDFInfo
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- CN112919006B CN112919006B CN202110334223.1A CN202110334223A CN112919006B CN 112919006 B CN112919006 B CN 112919006B CN 202110334223 A CN202110334223 A CN 202110334223A CN 112919006 B CN112919006 B CN 112919006B
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- 239000003245 coal Substances 0.000 title claims abstract description 47
- 238000001514 detection method Methods 0.000 title claims abstract description 17
- 238000000034 method Methods 0.000 title claims abstract description 16
- 238000005070 sampling Methods 0.000 claims description 12
- 230000008569 process Effects 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 3
- 238000005303 weighing Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 5
- 239000002817 coal dust Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G15/00—Conveyors having endless load-conveying surfaces, i.e. belts and like continuous members, to which tractive effort is transmitted by means other than endless driving elements of similar configuration
- B65G15/60—Arrangements for supporting or guiding belts, e.g. by fluid jets
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G43/00—Control devices, e.g. for safety, warning or fault-correcting
- B65G43/08—Control devices operated by article or material being fed, conveyed or discharged
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G45/00—Lubricating, cleaning, or clearing devices
- B65G45/10—Cleaning devices
- B65G45/18—Cleaning devices comprising brushes
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N9/00—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G2201/00—Indexing codes relating to handling devices, e.g. conveyors, characterised by the type of product or load being conveyed or handled
- B65G2201/04—Bulk
- B65G2201/045—Sand, soil and mineral ore
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G2203/00—Indexing code relating to control or detection of the articles or the load carriers during conveying
- B65G2203/02—Control or detection
- B65G2203/0208—Control or detection relating to the transported articles
- B65G2203/0258—Weight of the article
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
The invention discloses a coal passing density detection device and a use method thereof, wherein the device comprises a first roller frame, a second roller frame is fixed on the first roller frame, a carrier roller is rotatably arranged on the inner side of the second roller frame, a conveying belt is arranged on the carrier roller, a second telescopic pipe is fixed on the side surface of the first roller frame, a first telescopic pipe is arranged at the upper end of the inner side of the second telescopic pipe, a support plate is fixed on the first telescopic pipe, and an adjusting screw is rotatably connected to the front surface of the support plate through a bearing seat; through being provided with line laser scanning head, first flexible pipe, second flexible pipe, adjusting stay cord, adjusting screw, fixture block, connecting block and connecting plate, be convenient for avoid measuring and calculating inconvenient to the coal volume, later stage needs to measure its volume alone, device simple structure can adjust the height and the horizontal position of line laser scanning head according to actual need.
Description
Technical Field
The invention belongs to the technical field of coal passing density detection, and particularly relates to a coal passing density detection device and a use method thereof.
Background
Coal is a solid combustible mineral that is gradually formed by ancient plants buried underground through complex biochemical and physicochemical changes. Coal is known as black gold and industrial food, is one of main energy sources used in human world in the eighteenth century, is generally conveyed by a carrier roller conveying belt in the conveying process, and has a leading effect in material conveying in various fields (such as ports, electric power, coal, metallurgy and other systems).
In the existing coal conveying process through a conveying belt, the density of the conveyed coal is inconvenient to detect, the volume of the coal is required to be measured independently in the later period, the using effect is poor, in addition, the conveying carrier roller is inconvenient to clean, coal scraps adhere to the surface of the conveying carrier roller, the belt and the conveying carrier roller can slip, and therefore, the coal passing density detecting device and the using method thereof are provided.
Disclosure of Invention
The invention aims to provide a coal passing density detection device and a use method thereof, which are used for solving the problems that in the background art, the conventional coal is inconvenient to detect the density of the conveyed coal in the conveying process by a conveying belt, the volume of the coal is required to be measured independently in the later period, the use effect is poor, a conveying carrier roller is inconvenient to clean, and the belt and the conveying carrier roller slip due to the fact that coal scraps adhere to the surface of the conveying carrier roller.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a cross coal density detection device, includes first roller frame, be fixed with the second roller frame on the first roller frame, the inboard rotation of second roller frame is provided with the bearing roller, be provided with conveyer belt on the bearing roller, first roller frame side fixed surface has the flexible pipe of second, the inboard upper end of flexible pipe of second is provided with first flexible pipe, be fixed with the extension board on the flexible pipe of first, the extension board front surface is connected with adjusting screw through the bearing frame rotation, adjusting screw outside cover is equipped with the connecting block, the connecting block cooperates with adjusting screw through screw thread portion and is connected, connecting block lower surface fixation has the connecting plate, guide groove has been seted up on the connecting plate, the extension board cooperates with the connecting plate through guide groove and is connected, connecting plate lower surface fixation has the line laser scanning head, mounting groove has been seted up to first both sides wall, the mounting groove inboard is fixed with the spring, spring one end is fixed with the fixture block, fixture block one side wall is provided with the regulation stay cord, it runs through first flexible pipe upper surface to adjust, the second flexible pipe inboard is equipped with the draw-in groove, the draw-in groove cooperates with the second through the fixture block.
Preferably, the front surface of the second carrier roller frame is fixedly provided with a mounting plate through a screw, the upper end of the mounting plate is fixedly provided with a rubber block, the rubber block is fixedly provided with bristles, and the bristles are in contact with the carrier roller.
Preferably, the mounting plate is rectangular, and the number of the mounting plate is equal to that of the carrier rollers.
Preferably, one end of the adjusting screw is fixed with a rotary handle, and the rotary handle is round.
Preferably, a scale groove is formed in the front surface of the first telescopic tube, and scale marks are arranged on the inner side of the scale groove.
Preferably, the first telescopic tube is provided with two parts, and the clamping block is provided with four parts.
Preferably, a rubber sleeve is sleeved in the middle of the outer surface of the adjusting stay rope, and anti-skid patterns are arranged on the outer surface of the rubber sleeve.
Preferably, the connecting block is also rectangular, and the connecting block is in contact with the support plate.
The application method of the coal passing density detection device comprises the following steps:
a. The adjusting stay rope is pulled upwards, so that the adjusting stay rope drives the clamping block to withdraw from the inner side of the clamping groove, the first telescopic pipe can slide upwards at the moment, the height of the support plate is adjusted, the adjusting stay rope is loosened after the adjustment, and the clamping block enters the inner side of the other clamping groove under the pushing of the elastic force of the spring;
b. The adjusting screw is driven to rotate through the rotating handle, the connecting block is driven to move through the threaded part by the adjusting screw, and the connecting plate is matched with the spring through the guide groove, so that the connecting block can move horizontally, and the horizontal position of the linear laser scanning head is adjusted;
c. The line laser scanning head is externally connected with a computer, coal conveyed on a conveying belt is scanned through the line laser scanning head, the volume V is obtained according to an integral formula, and the integral formula is as follows:
wherein V represents the volume, b, a represents the end point and the start point of the running of the conveying belt, dx is the interval distance between b and a in the running direction of the conveying belt, S (x) is the cross-sectional area obtained by the distance value obtained by scanning the outer contour of the belt material by the line laser scanning head, the expression of S (x) is as follows,
X 0 is the value; the value of f (X n) is obtained by line laser ranging, n is the number of points which are equally divided by the X-axis precision of the line laser, X i is the value of the projection length of the belt in the X-axis direction divided by the i sampling point which is equally divided by the X-axis precision of the line laser, X n is the value of the projection length of the belt in the X-axis direction divided by the n sampling point which is equally divided by the X-axis precision of the line laser, deltaS (X i) is the scanning area of a line laser scanning head between the i-1 sampling point and the i sampling point, and l is calculated according to the projection length of the belt on two side carrier rollers in the X-axis direction and the installation angle;
d. later stage is through weighing the coal weight through the belt weigher, can calculate the density of coal that crosses, coal density ρ crosses, formula shows:
m＝V×ρ
wherein m represents the weight of the coal;
e. In the process of conveying the conveying belt by rotating the carrier roller, the surface of the carrier roller is cleaned by the bristles, the rubber block has good elasticity, and the bristles are convenient to contact with the carrier roller better.
Compared with the prior art, the invention has the beneficial effects that:
(1) Through being provided with line laser scanning head, first flexible pipe, second flexible pipe, adjusting stay cord, adjusting screw, fixture block, connecting block and connecting plate, be convenient for avoid measuring and calculating inconvenient to the coal volume, later stage needs to measure its volume alone, device simple structure can adjust the height and the horizontal position of line laser scanning head according to actual need, has increased the practicality of device.
(2) Through being provided with mounting panel, rubber piece and brush hair, be convenient for avoid the coal dust clearance inconvenient to bearing roller surface adhesion, the coal dust causes taking place to skid between bearing roller and the conveyor, device simple structure, the result of use of the device of being convenient for improvement.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic diagram of the cross-sectional structure of FIG. 1A in accordance with the present invention;
FIG. 3 is a schematic view of a connecting plate structure according to the present invention;
FIG. 4 is a schematic diagram of the cross-sectional structure of FIG. 1B in accordance with the present invention;
In the figure: 1. a first carrier roller frame; 2. a line laser scanning head; 3. a connecting block; 4. a support plate; 5. adjusting a pull rope; 6. adjusting a screw; 7. a handle is screwed; 8. a first telescopic tube; 9. a scale mark; 10. a second telescopic tube; 11. a conveyor belt; 12. a carrier roller; 13. a second carrier roller frame; 14. a spring; 15. a clamping block; 16. a connecting plate; 17. a guide groove; 18. a mounting plate; 19. a rubber block; 20. brushing; 21. a rubber sleeve.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a cross coal density detection device, including first roller frame 1, be fixed with second roller frame 13 on the first roller frame 1, the inboard rotation of second roller frame 13 is provided with bearing roller 12, be provided with conveyer belt 11 on the bearing roller 12, first roller frame 1 side fixed surface has the flexible pipe 10 of second, the inboard upper end of flexible pipe 10 of second is provided with first flexible pipe 8, be convenient for adjust the height of extension board 4, be fixed with extension board 4 on the flexible pipe 8 of first, support board 4 front surface is connected with adjusting screw 6 through the bearing frame rotation, be convenient for adjust the horizontal position of connecting block 3, adjusting screw 6 outside cover is equipped with connecting block 3, connecting block 3 and adjusting screw 6 pass through threaded part and cooperate and be connected, connecting block 3 lower surface is fixed with connecting plate 16, set up guide groove 17 on the connecting plate 16, support board 4 and connecting plate 16 pass through guide groove 17 and cooperate and are connected, the better messenger connecting block 3 of being convenient for carries out horizontal migration, connecting plate 16 lower fixed surface has line laser scanning head 2, be convenient for scan the height of carrying out to extension board 4, the mounting groove has been seted up to the side wall of first flexible pipe 8, the inboard is fixed with extension board 14, the clamping block 15 is convenient for get into with the second clamping block 15 through the inside clamping block 15, be convenient for carry out 5, the clamping block 15 is connected with the second clamping block 10 through the inside of the clamping block 15, be convenient for take place 5, the clamping block is connected with the second clamping block is convenient for move the inside 15, and is connected through the clamping block 10, 5, the clamping block is convenient for take place is connected with the inside 15, and is connected through the inside 15, and is convenient for be connected through the guide groove is convenient for and 5.
Preferably, the front surface of the second carrier roller frame 13 is fixed with a mounting plate 18 through screws, the upper end of the mounting plate 18 is fixed with a rubber block 19, the rubber block 19 is fixed with bristles 20, and the bristles 20 are in contact with the carrier roller 12, so that the surface of the carrier roller 12 is cleaned conveniently.
Preferably, the mounting plate 18 is rectangular, so that better cleaning effect is achieved, and the number of the mounting plates 18 is equal to that of the carrier rollers 12.
Preferably, one end of the adjusting screw 6 is fixed with a rotary handle 7, and the rotary handle 7 is circular, so that the adjusting screw 6 can be conveniently rotated.
Preferably, the scale groove is offered on the front surface of first flexible pipe 8, and the scale mark 9 is provided with to scale inslot side, is convenient for record first flexible pipe 8 to the outside extension of second flexible pipe 10.
Preferably, the first telescopic tube 8 is provided with two places, so that the support plate 4 is supported better, and the clamping blocks 15 are provided with four places.
Preferably, the middle part of the outer surface of the adjusting stay rope 5 is sleeved with a rubber sleeve 21, and the outer surface of the rubber sleeve 21 is provided with anti-skid patterns, so that the adjusting stay rope 5 can be pulled conveniently to move.
Preferably, the connecting block 3 is also rectangular, and the connecting block 3 is abutted against the support plate 4, so that the connecting block 3 rotates when the connecting block 3 is adjusted to move.
The application method of the coal passing density detection device comprises the following steps:
a. the adjusting stay rope 5 is pulled upwards, so that the adjusting stay rope 5 drives the clamping block 15 to withdraw from the inner side of the clamping groove, at the moment, the first telescopic pipe 8 can slide upwards, the height of the support plate 4 is adjusted, the adjusting stay rope 5 is loosened after the adjustment, and the clamping block 15 enters the inner side of the other clamping groove under the pushing of the elastic force of the spring 14;
b. The adjusting screw rod 6 is driven to rotate through the rotary handle 7, the adjusting screw rod 6 drives the connecting block 3 to move through the threaded part, the connecting plate 16 is matched with the spring 14 through the guide groove 17, so that the connecting block 3 can be horizontally moved conveniently, and the horizontal position of the linear laser scanning head 2 is adjusted;
c. the line laser scanning head 2 is externally connected with a computer, the line laser scanning head 2 scans the coal conveyed on the conveying belt 11, and the volume V is calculated according to an integral formula, wherein the integral formula is as follows:
Wherein V represents the volume, b, a represents the end point and the start point of the running of the conveyor belt, dx is the distance between b and a in the running direction of the conveyor belt, S (x) is the cross-sectional area obtained by the distance value obtained by scanning the outer contour of the belt material by the line laser scanning head 2, and the expression of S (x) is as follows,
……，
X 0 has a value of 0; the value of f (X n) is obtained by line laser ranging, n is the number of points which are equally divided by the X-axis precision of the line laser, X i is the value of the projection length of the belt in the X-axis direction divided by the i sampling point which is equally divided by the X-axis precision of the line laser, X n is the value of the projection length of the belt in the X-axis direction divided by the n sampling point which is equally divided by the X-axis precision of the line laser, deltaS (X i) is the scanning area of the line laser scanning head 2 between the i-1 sampling point and the i sampling point, and l is calculated according to the projection length of the belt on two side carrier rollers in the X-axis direction and the installation angle;
d. later stage is through weighing the coal weight through the belt weigher, can calculate the density of coal that crosses, coal density ρ crosses, formula shows:
m＝V×ρ
wherein m represents the weight of the coal;
e. in the process of conveying the conveying belt 11 by rotating the carrier roller 12, the surface of the carrier roller 12 is cleaned by the bristles 20, and the rubber block 19 has good elasticity, so that the bristles 20 can be in better contact with the carrier roller 12.
In summary, the wire laser scanning head, the first telescopic tube, the second telescopic tube, the adjusting stay cord, the adjusting screw, the clamping block, the connecting block and the connecting plate are arranged, so that inconvenience in measuring and calculating the coal passing volume is avoided, the volume of the wire laser scanning head needs to be measured independently in the later period, the device is simple in structure, the height and the horizontal position of the wire laser scanning head can be adjusted according to actual needs, the practicability of the device is improved, and the mounting plate, the rubber block and the bristles are arranged, so that inconvenience in cleaning coal dust attached to the surface of a carrier roller is avoided, slipping occurs between the carrier roller and a conveying belt due to the coal dust, and the device is simple in structure and convenient to improve the using effect of the device.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a cross coal density detection device, includes first carrier roller frame (1), be fixed with second carrier roller frame (13) on first carrier roller frame (1), second carrier roller frame (13) inboard rotation is provided with bearing roller (12), be provided with conveyer belt (11), its characterized in that on bearing roller (12): the utility model discloses a telescopic device, including first carrier roller frame (1), second flexible pipe (10) are fixed with side surface, the inboard upper end of second flexible pipe (10) is provided with first flexible pipe (8), be fixed with extension board (4) on first flexible pipe (8), extension board (4) front surface is connected with adjusting screw (6) through the bearing frame rotation, adjusting screw (6) outside cover is equipped with connecting block (3), connecting block (3) are connected through the screw thread portion with adjusting screw (6) in the cooperation, connecting block (3) lower surface is fixed with connecting plate (16), set up guide groove (17) on connecting plate (16), extension board (4) are connected through guide groove (17) in the cooperation with connecting plate (16), connecting plate (16) lower surface is fixed with line laser scanning head (2), mounting groove has been seted up to first flexible pipe (8) both sides wall, the mounting groove inboard is fixed with spring (14), spring (14) one end is fixed with fixture block (15), fixture block (15) one side wall is provided with adjusts (5), adjusting wire (5) are equipped with on the first flexible pipe (8) through guide groove (10), the clamping block (15) is connected with the second telescopic pipe (10) in a matching way through a clamping groove;
the front surface of the second carrier roller frame (13) is fixedly provided with a mounting plate (18) through a screw, the upper end of the mounting plate (18) is fixedly provided with a rubber block (19), the rubber block (19) is fixedly provided with bristles (20), and the bristles (20) are contacted with the carrier roller (12);
one end of the adjusting screw (6) is fixed with a rotary handle (7), and the rotary handle (7) is round.
2. The coal passing density detection device according to claim 1, wherein: the mounting plates (18) are rectangular, and the number of the mounting plates (18) is equal to that of the carrier rollers (12).
3. The coal passing density detection device according to claim 2, wherein: the front surface of the first telescopic tube (8) is provided with a scale groove, and the inner side of the scale groove is provided with scale marks (9).
4. A coal passing density detection apparatus according to claim 3 wherein: the first telescopic pipes (8) are arranged at two positions, and the clamping blocks (15) are arranged at four positions.
5. The coal passing density detection device according to claim 4, wherein: the middle part of the outer surface of the adjusting stay cord (5) is sleeved with a rubber sleeve (21), and the outer surface of the rubber sleeve (21) is provided with anti-skid patterns.
6. The coal passing density detection device according to claim 5, wherein: the connecting block (3) is rectangular, and the connecting block (3) is in contact with the support plate (4).
7. The method for using the coal passing density detection device based on claim 6 is characterized in that: the method comprises the following steps:
a. The adjusting stay rope (5) is pulled upwards, so that the adjusting stay rope (5) drives the clamping block (15) to withdraw from the inner side of the clamping groove, the first telescopic pipe (8) can slide upwards at the moment, the height of the support plate (4) is adjusted, the adjusting stay rope (5) is loosened after the adjustment, and the clamping block (15) enters the inner side of the other clamping groove under the pushing of the elastic force of the spring (14);
b. The adjusting screw (6) is driven to rotate through the rotating handle (7), the adjusting screw (6) drives the connecting block (3) to move through the threaded part, the connecting plate (16) is matched with the spring (14) through the guide groove (17), so that the connecting block (3) can be horizontally moved conveniently, and the horizontal position of the linear laser scanning head (2) is adjusted;
c. The line laser scanning head (2) is externally connected with a computer, coal conveyed on the conveying belt (11) is scanned through the line laser scanning head (2), the volume V is obtained according to an integral formula, and the integral formula is as follows:
wherein V represents the volume, b, a represents the end point and the start point of the running of the conveyor belt, dx is the interval distance between b and a in the running direction of the conveyor belt, S (x) is the cross-sectional area obtained by the distance value obtained by scanning the outer contour of the belt material by the line laser scanning head (2), and the expression of S (x) is as follows,
X 0 has a value of 0; the value of f (X n) is obtained by line laser ranging, n is the number of points which are equally divided by the X-axis precision of the line laser, X i is the value of the projection length of the belt in the X-axis direction divided by the i sampling point which is equally divided by the X-axis precision of the line laser, X n is the value of the projection length of the belt in the X-axis direction divided by the n sampling point which is equally divided by the X-axis precision of the line laser, deltaS (X i) is the scanning area of the line laser scanning head (2) between the i-1 sampling point and the i sampling point, and l is calculated according to the projection length of the belt on the carrier rollers on two sides in the X-axis direction and the installation angle;
d. later stage is through weighing the coal weight through the belt weigher, can calculate the density of coal that crosses, coal density ρ crosses, formula shows:
m＝V×ρ
wherein m represents the weight of the coal;
e. In the process of conveying the conveying belt (11) by rotating the carrier roller (12), the surface of the carrier roller (12) is cleaned by the brush hair (20), and the rubber block (19) has good elasticity, so that the brush hair (20) can be in better contact with the carrier roller (12).
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| CN202110334223.1A CN112919006B (en) | 2021-03-29 | 2021-03-29 | Coal passing density detection device and use method thereof |
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| CN202110334223.1A CN112919006B (en) | 2021-03-29 | 2021-03-29 | Coal passing density detection device and use method thereof |
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2021
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|---|---|---|---|---|
| GB1064943A (en) * | 1963-02-08 | 1967-04-12 | Coal Ind | Method and apparatus for measuring the bulk density of material |
| GB1265371A (en) * | 1968-04-10 | 1972-03-01 | ||
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| CN210775113U (en) * | 2019-09-25 | 2020-06-16 | 深圳职业技术学院 | Solid density measuring instrument |
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