CN113844895A - Coal sample pneumatic transmission system based on pipeline transfer - Google Patents
Coal sample pneumatic transmission system based on pipeline transfer Download PDFInfo
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- CN113844895A CN113844895A CN202111182384.XA CN202111182384A CN113844895A CN 113844895 A CN113844895 A CN 113844895A CN 202111182384 A CN202111182384 A CN 202111182384A CN 113844895 A CN113844895 A CN 113844895A
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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
- B65G51/00—Conveying articles through pipes or tubes by fluid flow or pressure; Conveying articles over a flat surface, e.g. the base of a trough, by jets located in the surface
- B65G51/04—Conveying the articles in carriers having a cross-section approximating that of the pipe or tube; Tube mail systems
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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
- B65G45/00—Lubricating, cleaning, or clearing devices
- B65G45/10—Cleaning devices
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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
- B65G45/00—Lubricating, cleaning, or clearing devices
- B65G45/10—Cleaning devices
- B65G45/12—Cleaning devices comprising scrapers
- B65G45/14—Moving scrapers
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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
- B65G51/00—Conveying articles through pipes or tubes by fluid flow or pressure; Conveying articles over a flat surface, e.g. the base of a trough, by jets located in the surface
- B65G51/04—Conveying the articles in carriers having a cross-section approximating that of the pipe or tube; Tube mail systems
- B65G51/18—Adaptations of pipes or tubes; Pipe or tube joints
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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
- B65G51/00—Conveying articles through pipes or tubes by fluid flow or pressure; Conveying articles over a flat surface, e.g. the base of a trough, by jets located in the surface
- B65G51/04—Conveying the articles in carriers having a cross-section approximating that of the pipe or tube; Tube mail systems
- B65G51/26—Stations
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Cleaning In General (AREA)
Abstract
The invention relates to a pneumatic transmission technology of a pipeline, which is used for solving the problems that a pneumatic transmission pipeline is influenced by stubborn stains and water vapor on the inner wall in the transmission process, normal transmission is difficult, and collision damage occurs at the tail of transmission, in particular to a pneumatic transmission system of a coal sample based on pipeline transmission, which comprises a sample storage workstation, a sampling workstation, a protective pipeline, a transmission frame and a transmission pipeline; according to the invention, stubborn stains on the inner wall of the transmission pipeline are cleaned by the impurity cleaning blades which are obliquely distributed on the first rotating ring, the blocking acting force between the impurity cleaning blades and the stubborn stains in the advancing direction of the transmission frame is reduced, the diffusion of the cleaned scraps is prevented by the formed annular closed space, condensed water drops on the inner wall of the transmission pipeline are absorbed by the water absorption sponge in the transmission process of the transmission frame, the falling collision acting force is buffered by the spring, and the water in the water absorption sponge is extruded by the inertial acting force of the rotation of the second rotating ring in the buffering process.
Description
Technical Field
The invention relates to a pipeline pneumatic transmission technology, in particular to a coal sample pneumatic transmission system based on pipeline transmission.
Background
The pneumatic pipeline logistics transmission system comprises an air compressor, a pipeline reverser and the like, is basically used for article transmission, and adopts the working principle that the air compressor extracts and compresses air as power to automatically push articles to move in the closed pipeline;
in the prior art, the annular blade is connected to the outer side wall of the transmission frame, so that in the process of transmission and movement of the transmission frame on the inner side of a transmission pipeline, stubborn stains on the inner wall of the transmission pipeline are cleaned by the blade, the combination between the stubborn stains and the transmission pipeline is tight, and the blade bears large resistance when removing the stains, so that the movement of the transmission frame in the transmission pipeline is limited, and the blockage is easy to occur; the cleaned stains are diffused at four positions under the action of the circulating airflow at the inner side of the transmission pipeline, so that the transmission frame and the coal sample bottles in the transmission frame are easily polluted, and the cleaned stains are easily adhered to the inner wall of the transmission pipeline again due to the mutual combination of the cleaned stains and condensed water drops at the inner side of the transmission pipeline, so that the stain cleaning effect is difficult to achieve; due to the reasons of air temperature change, air compression and the like, the phenomenon of condensate water on the inner wall of the pneumatic transmission pipeline can occur, in addition, the transmission pipeline is not tightly closed, the wetting of the interior of the transmission pipeline can be possibly caused by rainwater leakage and water soaking of a sample bottle, the wetting of the inner wall of the transmission pipeline can lead cleaned stains to form paste after being mixed with water drops, and the paste can hinder the transmission of the transmission frame on the inner side of the transmission pipeline; the transmission frame carries the coal sample bottles to be transmitted in the transmission pipeline, the coal sample bottles vertically fall under the action of pushing airflow after being transmitted to the workstation, and collide with one end of the transmission pipeline, acting force generated by collision easily causes damage to the coal sample bottles, the transmission pipeline and the transmission frame, so that the service lives of the coal sample bottles, the transmission pipeline and the transmission frame are shortened;
in view of the above technical problem, the present application proposes a solution.
Disclosure of Invention
The invention aims to clean stubborn stains on the inner wall of a transmission pipeline through a plurality of impurity cleaning blades which are obliquely distributed on a first rotating ring, the obstructing acting force between the impurity cleaning blades and the stubborn stains in the advancing direction of a transmission frame is reduced, the diffusion of the cleaned scraps is prevented by the formed annular closed space, the condensed water drops on the inner wall of the transmission pipeline are absorbed by the water-absorbing sponge in the transmission process of the transmission frame, and fall the buffering of collision effort through the spring, utilize the inertia effort of second swivel becket pivoted to extrude the inside moisture of water absorption sponge in the buffering process, solve pneumatic transmission pipeline and receive stubborn spot and steam influence on the inner wall in the transmission course, be difficult to normal transmission and the problem that the transmission end bumps the damage, and propose the pneumatic transmission system of coal sample based on pipeline is forwardded.
The purpose of the invention can be realized by the following technical scheme:
the pneumatic coal sample transmission system based on pipeline transmission comprises a sample storage workstation, a sampling workstation, a protective pipeline, a transmission frame, a transmission pipeline and a communication control cable, wherein the protective pipeline is connected to one side of the upper surface of the sample storage workstation, one end, far away from the sample storage workstation, of the protective pipeline is connected with the sampling workstation, the transmission pipeline is arranged on the inner side wall of the protective pipeline, the communication control cable is arranged on one side, close to the transmission pipeline, of the inner side wall of the protective pipeline, the transmission frame is arranged on the inner side wall of the transmission pipeline, and impurity removing mechanisms are arranged on two sides of the outer side wall of the transmission frame;
the impurity removing mechanism comprises a first rotating groove, the inner side wall of the first rotating groove is connected with a first rotating ring in a sliding way, the middle position of the outer side wall of the first rotating ring is connected with a plurality of impurity removing blades which are uniformly distributed, the middle position of the inner side wall of the first rotating ring is connected with a plurality of first tabling blocks which are evenly distributed, the outer side wall of the transmission frame is provided with three roller grooves, the middle position of the inner side wall of each roller groove is connected with a roller through a roller shaft, a gear groove is arranged on one side of the outer side wall of the transmission frame, which is close to the roller groove, a driving gear is connected with the position of the inner side wall of the gear groove, which corresponds to the roller, through a roller shaft, the gear groove inner side wall is connected with a driven gear through a connecting shaft at a position close to the driving gear, and a first embedding groove is formed in the position, corresponding to the first embedding block, of the connecting shaft outer side wall.
As a preferred embodiment of the invention, impurity conveying mechanisms are arranged on the outer side wall of the conveying frame, close to two sides of the impurity removing blade;
the impurity conveying mechanism comprises an impurity storage box, a second baffle is integrally formed on the outer side wall of the conveying frame, the second baffle is close to the two sides of the impurity storage box, impurity guide holes are formed in the position, corresponding to the position of the impurity storage box, of the outer side wall of the second baffle, a first baffle is integrally formed on one side, away from the impurity storage box, of the outer side wall of the conveying frame, and an impurity scraping plate is connected to the position, close to the second baffle, of the outer side wall of the impurity cleaning blade.
As a preferred embodiment of the invention, a wiping mechanism is arranged outside the outer side wall of the transmission frame;
the wiping mechanism comprises a second rotating groove, a second rotating ring is connected to the inner side wall of the second rotating groove in a sliding mode, water-absorbing sponge is connected to the outer side wall of the second rotating ring, a plurality of second embedded blocks are evenly distributed on the inner side wall of the second rotating ring, and a second embedded groove is formed in the position, corresponding to the second embedded blocks, of the outer side wall of the connecting shaft.
As a preferred embodiment of the invention, a buffer mechanism is arranged on the inner side wall of the transmission pipeline close to the sampling workstation;
buffer gear includes the adjustment tank, adjustment tank inside wall upper end is rotated through the runner and is connected with the regulating plate, the regulating plate lateral wall is close to adjustment tank position department is connected with the telescopic link through rotating the seat, the adjustment tank inside wall corresponds telescopic link position department is connected with the spring.
In a preferred embodiment of the present invention, partitions are integrally formed on both sides of the inner sidewall of the trash bin, the partitions are designed to be inclined, and the height of the partitions is smaller than that of the trash bin.
As a preferred embodiment of the invention, the use method of the coal sample pneumatic conveying system comprises the following steps:
the method comprises the following steps: the coal sample bottles are put into the sample storage workstation and are put into the transmission frame at the inner side of the transmission pipeline for position fixing, the pneumatic transmission equipment works to ensure that the transmission frame slides on the inner side wall of the transmission pipeline under the pushing of air flow, and stops when reaching the position of the sampling workstation, in the transmission process, the rollers connected with the inner sides of the roller grooves at the two ends of the outer side wall of the transmission frame are tightly contacted with the inner wall of the transmission pipeline, so that when the transmission frame moves under the push of airflow, the rollers and the inner wall of the transmission pipeline rub to rotate, and drives the driving gear which is coaxially positioned at the inner side of the gear groove to rotate, the driving gear is mutually embedded with the driven gear, so that the driven gear connected on the connecting shaft rotates, the first rotating ring which is embedded into the first embedding groove on the outer side wall of the connecting shaft through the first embedding block rotates under the driving of the connecting shaft, so that a plurality of impurity removing blades on the outer side of the rotating first rotating ring can clean stubborn stains adhered to the inner wall of the transmission pipeline;
step two: the first baffle and the second baffle are respectively connected to two sides of the position, close to the impurity removing blade, on the transmission frame, the outer sides of the first baffle and the second baffle are in close contact with the inner wall of the transmission pipeline, so that impurities removed by the impurity removing blade in the rotation process of the first rotating ring are limited in an annular space formed by the first baffle, the second baffle, the outer side wall of the transmission frame and the inner side wall of the transmission pipeline, the impurity removing blade drives the impurity scraping plate to rotate in the rotation process of the first rotating ring, the impurity scraping plate pushes the impurities in the annular space to move in the annular space and fall into the impurity storage box when the impurities in the annular space move to the impurity guide hole, and the impurities falling into the impurity storage box are limited by the inclined partition plates on two sides of the inner side wall of the impurity storage box;
step three: a second embedding groove formed in the position, corresponding to the second rotating ring, of the outer side wall of the connecting shaft is embedded with a second embedding block on the inner side wall of the second rotating ring, so that the rotating connecting shaft drives the second rotating ring to rotate, the water absorption sponge connected to the outer side wall of the second rotating ring rotates along with the second embedding groove, and water drops on the inner wall of the transmission pipeline can be wiped and cleaned in the rotating process of the water absorption sponge;
step four: transmission frame collides with the regulating plate after transmitting to sample workstation position department along transmission pipeline inside, makes the regulating plate receive the effect of impact and rotates around the runner of being connected with the adjustment tank, rotates the in-process, and the regulating plate extrudees the spring, makes the spring atress shrink, and shrink in-process telescopic link carries out the restriction of position to the spring, rotates the seat and rotates the angle variation between in-process telescopic link and regulating plate and the adjustment tank inside wall to the regulating plate.
Compared with the prior art, the invention has the beneficial effects that:
1. the impurity cleaning blades which are distributed on the first rotating ring in an inclined mode rotate along with the transmission frame in the moving process of the inner side of the transmission pipeline, so that stubborn stains on the inner wall of the transmission pipeline are cleaned, the stains cannot obstruct normal transmission of the transmission frame in the transmission pipeline, obstruction acting force between the impurity cleaning blades and the stubborn stains in the advancing direction of the transmission frame is reduced, and obstruction caused by movement of the transmission frame is reduced;
2. the annular closed space formed by the first baffle, the outer side wall of the transmission frame, the second baffle and the inner side wall of the transmission pipeline prevents the cleaned stubborn dirt debris from diffusing around the inner side of the transmission pipeline, so that secondary dirt of the transmission pipeline is caused, and the cleaned dirt debris can be collected and uniformly treated through the impurity storage box;
3. through the absorption of the sponge that absorbs water on transmission pipe inner wall condensation drop in transmission frame transmission process, make transmission pipe keep dry, the normal transmission that prevents the condensation drop and the piece formation thick paste under the clearance influence transmission frame, the regulating plate can cushion the transmission frame of quick perpendicular whereabouts under the effect of spring, reduce the collision to transmission frame, the damage that transmission pipe and coal sample bottle caused, and the accessible sponge that absorbs water rotates the mutual extrusion between in-process and the regulating plate and carries out the precipitation of the inside moisture of sponge that absorbs water.
Drawings
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
FIG. 1 is a main body structure view of the present invention;
FIG. 2 is a view showing the internal structure of the protection tube according to the present invention;
FIG. 3 is a diagram of a transport frame structure of the present invention;
FIG. 4 is a view of a first swivel ring of the present invention;
FIG. 5 is an enlarged view of portion A of FIG. 3 according to the present invention;
FIG. 6 is a structural view of a trash plate of the present invention;
FIG. 7 is a view of a second rotating ring of the present invention;
FIG. 8 is a block diagram of the impurity delivery mechanism of the present invention;
FIG. 9 is a view showing the internal structure of the storage case of the present invention;
FIG. 10 is a schematic view of the interior of the transfer pipeline of the present invention in a position adjacent to the workstation;
fig. 11 is a bottom view of the invention shown in fig. 10.
In the figure: 1. a sample storage workstation; 2. a impurity removing mechanism; 21. a first rotating groove; 22. impurity removing blades; 23. a first fitting block; 24. a first rotating ring; 25. a connecting shaft; 26. a first fitting groove; 27. a roller groove; 28. a roller; 29. a drive gear; 210. a driven gear; 211. a gear groove; 3. a wiping mechanism; 31. a second rotating groove; 32. a water-absorbing sponge; 33. a second rotating ring; 34. a second fitting block; 35. a second fitting groove; 4. a trash conveying mechanism; 41. a first baffle plate; 42. scraping the sundries; 43. a second baffle; 44. a miscellaneous hole; 45. a trash bin; 46. a partition plate; 5. a buffer mechanism; 51. an adjustment groove; 52. an adjusting plate; 53. a spring; 54. a telescopic rod; 55. a rotating seat; 6. a sampling workstation; 7. protecting the pipeline; 8. a transport frame; 9. a transport pipeline; 10. a communication control cable.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1:
referring to fig. 1-5, the coal sample pneumatic transmission system based on pipeline transfer includes a sample storage workstation 1, a sampling workstation 6, a protective pipeline 7, a transmission frame 8, a transmission pipeline 9 and a communication control cable 10, wherein one side of the upper surface of the sample storage workstation 1 is connected with the protective pipeline 7, one end of the protective pipeline 7 far away from the sample storage workstation 1 is connected with the sampling workstation 6, the transmission pipeline 9 is arranged on the inner side wall of the protective pipeline 7, the communication control cable 10 is arranged on one side of the inner side wall of the protective pipeline 7 close to the transmission pipeline 9, and the transmission frame 8 is arranged on the inner side wall of the transmission pipeline 9;
the power fan connected with the position corresponding to the transmission pipeline 9 inside the sample storage workstation 1 can provide acting force for the movement of the coal sample bottle to be transmitted which is placed inside the transmission pipeline 9, so that the coal sample bottle which is placed inside the transmission frame 8 and is fixed is transmitted to the position of the sampling workstation 6 from the position of the sample storage workstation 1 along the transmission pipeline 9, when the transmission frame 8 needs to be placed back to the sample storage workstation 1, the direction of the power fan can be changed through the direction converter inside the sample storage workstation 1, so that the fan generates suction to absorb the transmission frame 8 and moves from the position of the sample taking workstation 6 to the position of the sample storage workstation 1 along the transmission pipeline 9, the transmission pipeline 9 adopts a U-PVC pipe with the outer diameter of 160mm, the protective pipeline 7 is used for sleeving the transmission pipeline and the communication control cable 10 inside to play a role in mechanical protection;
the two sides of the outer side wall of the transmission frame 8 are provided with the impurity removing mechanisms 2, each impurity removing mechanism 2 comprises a first rotating groove 21, the inner side wall of each first rotating groove 21 is connected with a first rotating ring 24 in a sliding manner, each first rotating groove 21 is in an inverted T shape, each first rotating ring 24 is in an I shape, the width of each first rotating ring 24 is larger than the width of an opening on the outer side of each first rotating groove 21, so that the first rotating ring 24 rotating on the inner side of each first rotating groove 21 cannot be separated from the corresponding first rotating groove 21 in the rotating process, the middle position of the outer side wall of each first rotating ring 24 is connected with a plurality of impurity removing blades 22 which are uniformly distributed, the impurity removing blades 22 are distributed on the outer side wall of each first rotating groove 24 at a certain inclination angle, the width of each impurity removing blade 22 is smaller than the width of the corresponding first rotating groove 24, and the impurity removing blades 22 do not hinder the first rotating ring 24 from rotating on the inner side of each first rotating groove 21, a plurality of first embedded blocks 23 which are uniformly distributed are connected at the middle position of the inner side wall of the first rotating ring 24, the first embedded blocks 23 are embedded with a plurality of first embedded grooves 26 which are uniformly distributed and are arranged on the outer side wall of the connecting shaft 25, so that the connecting shaft 25 drives the first rotating ring 24 to rotate in the rotating process, three roller grooves 27 are arranged on the outer side wall of the transmission frame 8, the middle position of the inner side wall of each roller groove 27 is connected with a roller 28 through a roller shaft, the roller 28 is tightly contacted with the inner wall of the transmission pipeline 9, and rotates by rubbing with the inner wall of the transmission pipeline 9 in the transmission process of the transmission frame 8 inside the transmission pipeline 9, a gear groove 211 is arranged on one side of the outer side wall of the transmission frame 8, which is close to the roller groove 27, the position of the inner side wall of the gear groove 211, which corresponds to the position of the roller 28, is connected with a driving gear 29 through the roller shaft, and a driven gear 210 is connected at the position of the inner side wall of the gear groove 211, which is close to the driving gear 29, the gear groove 211 is right-angled, so that the driving gear 29 and the driven gear 210 are perpendicular to each other and are mutually embedded to drive rotation, and a first embedding groove 26 is formed in the outer side wall of the connecting shaft 25 corresponding to the first embedding block 23;
in the prior art, the annular blade is connected to the outer side wall of the transmission frame 8, so that in the process of transmission and movement of the transmission frame 8 inside the transmission pipeline 9, stubborn stains on the inner wall of the transmission pipeline 9 are cleaned by the blade, the combination between the stubborn stains and the transmission pipeline 9 is tight, the resistance of the blade during removing the stains is large, the movement of the transmission frame 8 inside the transmission pipeline 9 is limited, and the blockage is easy to occur;
when the transmission frame 8 carries coal sample bottles to perform transmission movement on the inner side of the transmission pipeline 9, the rollers 28 on the outer side of the transmission frame 8 are in close contact with the inner wall of the transmission pipeline 9 and rotate through mutual friction force, so that the driving gear 29 which is positioned on the inner side of the gear groove 211 and is coaxial with the rollers 28 rotates along with the rollers and drives the driven gear 210 which is mutually embedded with the driving gear 29 to rotate under the support of the connecting shaft 25, the impurity removing blades 22 which are obliquely distributed are driven to remove stubborn stains on the inner wall of the transmission pipeline 9 through the first rotating ring 24 which is mutually embedded with the first embedding blocks 23 which are uniformly distributed on the inner wall and the first embedding grooves 26 on the outer wall of the connecting shaft 25 in the rotating process, the impurity removing blades 22 are obliquely distributed and rotate at high speed when the stubborn stains are removed, so that the hindering acting force caused by blade removal in the transmission process of the transmission frame 8 is smaller, no obstruction of the movement of the transport frame 8 inside the transport duct 9 occurs.
Example 2:
referring to fig. 8-9, the outer side wall of the transmission frame 8 near to the two sides of the impurity removing blade 22 is provided with the impurity removing mechanism 4, the impurity removing mechanism 4 includes an impurity storage box 45, the outer side wall of the transmission frame 8 near to the two sides of the impurity storage box 45 is integrally formed with a second baffle 43, the outer side walls of the second baffle 43 and the first baffle 41 are both in close contact with the inner wall of the transmission pipeline 9, so that a closed annular space can be formed by the first baffle 41, the outer side wall of the transmission frame 8, the second baffle 43 and the inner side wall of the transmission pipeline 9 during the transmission process, so that the impurities removed by the impurity removing blade 22 inside the annular space are not easy to diffuse around, which causes the contamination of the transmission pipeline 9, the transmission frame 8 and the coal sample bottle, the outer side wall of the second baffle 43 corresponding to the position of the impurity storage box 45 is provided with an impurity guiding hole 44, the outer side wall of the transmission frame 8 far from the impurity storage box 45 is integrally formed with the first baffle 41, the outer side wall of the impurity cleaning blade 22 is connected with an impurity scraping plate 42 at a position close to the second baffle 43, one end of the impurity scraping plate 42 is connected with one impurity cleaning blade 22, so that the impurity scraping plate 42 can push the cleaned dirt to move in the annular space in the process of rotating along with the impurity cleaning blade 22, and enters the inside of the impurity storage box 45 at the position of the impurity guide hole 44, partition plates 46 are integrally formed at two sides of the inner side wall of the impurity storage box 45, the partition plates 46 are designed to be inclined angles, the height of the partition 46 is smaller than that of the trash bin 45, the partition 46 inclines inwards from both sides in the inclination direction of the inner side of the trash bin 45, so that the dirt can enter along the guide of the inclined partition 46 in the process of sliding into the trash bin 45, the dirt is prevented from sliding out of the trash bin 45 by the inclined partition plate 46 in the process of sliding out of the trash bin 45, so that the dirt is not easy to slide out of the trash bin 45, and the worker can take out the dirt through the revolving door on one side of the trash bin 45 when the transmission frame 8 stops transmitting;
in the prior art, after a blade connected with a transmission frame 8 cleans stubborn stains on the inner wall of a transmission pipeline 9, the cleaned stains are diffused all around under the action of circulating airflow inside the transmission pipeline 9, so that stains of the transmission frame 8 and coal sample bottles inside the transmission frame 8 are easily caused, and the cleaned stains are easily adhered to the inner wall of the transmission pipeline 9 again due to the mutual combination of the cleaned stains and condensed water drops inside the transmission pipeline 9, so that the stain cleaning effect is difficult to achieve;
the impurity cleaning blade 22 can clean stubborn stains on the inner wall of the transmission pipeline 9 in the process of rotating along with the first rotating ring 24, the cleaned impurities are accumulated in a closed annular space formed by the first baffle plate 41, the outer side wall of the transmission frame 8, the second baffle plate 43 and the inner side wall of the transmission pipeline 9, the impurities cannot scatter around under the action force of the transmission airflow in the transmission pipeline 9, the stains in the annular space can move in the annular space under the pushing of the impurity scraping plate 42 rotating along with the impurity cleaning blade 22, and enters the impurity storage box 45 at the position of the impurity guide hole 44, the dirt cleaned in the impurity storage box 45 is blocked by the partition plate 46 and is not easy to overflow from the inner side of the impurity storage box 45, so that the cleaned dirt cannot cause the dirt of the transmission frame 8 and the coal sample bottle, and the dirt of the transmission pipeline 9 cannot be caused again.
Example 3:
referring to fig. 6-7, a wiping mechanism 3 is disposed on an outer side wall of the transmission frame 8, the wiping mechanism 3 includes a second rotating groove 31, a second rotating ring 33 is slidably connected to an inner side wall of the second rotating groove 31, the second rotating groove 31 is shaped like an inverted T, the second rotating ring 33 is shaped like an i, a width of the second rotating ring 33 is greater than a width of an opening on an outer side of the second rotating groove 31, so that the second rotating ring 33 is not easily separated from the second rotating groove 31, a water-absorbing sponge 32 is connected to an outer side wall of the second rotating ring 33, a thickness of the water-absorbing sponge 32 is greater than a distance between the transmission frame 8 and the transmission pipeline 9, the water-absorbing sponge 32 is maintained in close contact with an inner wall of the transmission pipeline 9 when the water-absorbing sponge 32 is squeezed inside the transmission pipeline 9, a plurality of second engaging blocks 34 are uniformly distributed on an inner side wall of the second rotating ring 33, a second embedding groove 35 is formed in the outer side wall of the connecting shaft 25 at a position corresponding to the second embedding block 34, and the second rotating ring 33 rotates through mutual embedding between a plurality of second embedding blocks 34 uniformly distributed on the inner side wall of the second rotating ring 33 and the second embedding groove 35 formed in the outer side wall of the connecting shaft 25;
the position of the inner side wall of the transmission pipeline 9, which is close to the sampling workstation 6, is provided with a buffer mechanism 5, the buffer mechanism 5 comprises an adjusting groove 51, the upper end of the inner side wall of the adjusting groove 51 is connected with an adjusting plate 52 through a rotating wheel in a rotating way, the length and the width of the adjusting plate 52 are the same as those of the adjusting groove 51, so that the adjusting plate 52 can be embedded inside the adjusting groove 51, the upper end of the adjusting plate 52 is connected with the upper end of the adjusting groove 51 through a rotating wheel in a rotating way, the position of the outer side wall of the adjusting plate 52, which is close to the adjusting groove 51, is connected with an expansion link 54 through a rotating seat 55, the position of the inner side wall of the adjusting groove 51, which corresponds to the position of the expansion link 54, is connected with a spring 53, and two ends of the expansion link 54 are respectively connected with the inner walls of the adjusting plate 52 and the adjusting groove 51 through the rotating seat 55, and the outer side wall of the telescopic rod 54 is sleeved with a spring 53, so that when the adjusting plate 52 is subjected to an impact force from above, the spring 53 buffers the acting force;
in the prior art, due to the reasons of air temperature change, air compression and the like, the phenomenon of condensed water on the inner wall of a pneumatic transmission pipeline 9 occurs, in addition, the transmission pipeline 9 is not tightly closed, rainwater leakage and water dipping of a sample bottle can possibly cause the wetting of the interior of the transmission pipeline 9, the wetting of the inner wall of the transmission pipeline 9 can cause the cleaned stains to form paste after being mixed with water drops, and the paste can hinder the transmission of a transmission frame 8 on the inner side of the transmission pipeline 9; the transmission frame 8 carries the coal sample bottles to be transmitted in the transmission pipeline 9, the coal sample bottles vertically fall under the action of pushing airflow after being transmitted to the workstation, and collide with one end of the transmission pipeline 9, acting force generated by collision easily causes damage to the coal sample bottles, the transmission pipeline 9 and the transmission frame 8, and the service lives of the coal sample bottles, the transmission pipeline 9 and the transmission frame 8 are shortened;
in the process that the transmission frame 8 transmits in the transmission pipeline 9, the roller 28 drives the connecting shaft 25 to rotate, so that the second rotating ring 33 which is mutually embedded with the second embedding groove 35 on the connecting shaft 25 through the second embedding block 34 rotates, the water absorption sponge 32 connected to the outer side of the second rotating ring 33 absorbs water drops condensed on the inner wall of the transmission pipeline 9 in the rotating process, the inner wall of the transmission pipeline 9 is kept dry, and the influence on the normal transmission of the transmission frame 8 in the transmission pipeline 9 is avoided; when the transmission frame 8 is transmitted to the workstation position, the transmission frame 8 quickly falls down under the action of the pushing air flow and collides with the adjusting plate 52, the adjusting plate 52 is enabled to contract towards the inner side of the adjusting groove 51 under the action of the spring 53, the impact force of the spring 53 on the coal sample bottle is reduced, the transmission pipeline 9 and the transmission frame 8 are less affected, and the damage is not easy to occur, the water absorption sponge 32 on the outer side of the rotating second rotating ring 33 continuously rotates under the action of the self inertia of the second rotating ring 33, the water absorption sponge 32 is enabled to be mutually extruded with the adjusting plate 52 in the rotating process, water drops absorbed in the water absorption sponge 32 are enabled to be separated out, and the water absorption sponge 32 can continuously absorb water drops on the inner wall of the transmission pipeline 9 when being transmitted again.
When the coal sample bottle conveying device is used, a coal sample bottle is put into the sample storage working station 1 and is put into the transmission frame 8 on the inner side of the transmission pipeline 9 for fixing the position, the pneumatic transmission device works to enable the transmission frame 8 to slide on the inner side wall of the transmission pipeline 9 under the pushing of airflow and stop at the position of the sampling working station 6, in the transmission process, the rollers 28 connected with the inner sides of the roller grooves 27 at the two ends of the outer side wall of the transmission frame 8 are tightly contacted with the inner wall of the transmission pipeline 9, when the transmission frame 8 moves under the pushing of the airflow, the rollers 28 and the inner wall of the transmission pipeline 9 rotate due to friction, and drive the drive gear 29 which is coaxial with the rollers 28 and is positioned on the inner side of the gear groove 211 to rotate, the drive gear 29 and the driven gear 210 are mutually vertical, the outer teeth are mutually embedded, so that the driven gear 210 connected on the connecting shaft 25 rotates, and the first rotating ring 24 which is embedded with the first embedding groove 26 on the outer side wall of the connecting shaft 25 through the first embedding block 23 is driven by the connecting shaft 25 Rotating to enable a plurality of impurity removing blades 22 on the outer side of a rotating first rotating ring 24 to remove stubborn stains adhered on the inner wall of a transmission pipeline 9, wherein the impurities under removal are limited in an annular space formed by a first baffle plate 41, a second baffle plate 43, the outer side wall of a transmission frame 8 and the inner side wall of the transmission pipeline 9, the first baffle plate 41 and the second baffle plate 43 are respectively connected to two sides of the position, close to the impurity removing blades 22, on the transmission frame 8, the outer sides of the first baffle plate 41 and the second baffle plate 43 are tightly contacted with the inner wall of the transmission pipeline 9, the impurity removing blades 22 drive a impurity removing plate 42 to rotate in the rotating process of the first rotating ring 24, so that the impurity removing plate 42 pushes the impurities under removal in the annular space to move in the annular space and fall into a impurity storage box 45 at the position of a impurity guide hole 44, the impurities falling into the impurity storage box 45 are limited by partition plates 46 inclined at two sides of the inner side wall of the impurity storage box 45, the cleaned dirt and debris are not easy to slide out of the trash box 45, when the transmission frame 8 stops transmitting, a worker can open the rotary door on one side of the trash box 45 to take out internal dirt, when the transmission frame 8 transmits in the transmission pipeline 9, the second rotary ring 33 rotates along with the driven gear 210 through mutual embedding between the second embedding block 34 on the inner side wall and the second embedding groove 35 arranged on the outer side wall of the connecting shaft 25, so that the water-absorbing sponge 32 connected to the outer side wall of the second rotary ring 33 rotates along with the rotation, water drops existing on the inner wall of the transmission pipeline 9 can be cleaned and cleaned in the rotation process of the water-absorbing sponge 32, the transmission frame 8 is transmitted to the position of the sampling workstation 6 along the inside of the transmission pipeline 9 and then collides with the adjusting plate 52, and the adjusting plate 52 rotates around the rotary wheel connected with the adjusting groove 51 under the action of impact force, in the rotating process, the adjusting plate 52 extrudes the spring 53 to enable the spring 53 to be stressed and contracted, the telescopic rod 54 limits the position of the spring 53 in the contracting process, the rotating seat 55 adjusts the angle change between the telescopic rod 54 and the adjusting plate 52 and the inner side wall of the adjusting groove 51 in the rotating process of the adjusting plate 52, the inner diameter of the pipeline at the position of the transmission pipeline 9 corresponding to the workstation is increased, and the roller 28 below the outer side of the transmission frame 8 is not hindered by the friction force with the inner wall of the transmission pipeline 9 when reaching the workstation, can continue to rotate under the effect of inertia to drive second rotating ring 33 and rotate, make the sponge 32 that absorbs water outside second rotating ring 33 rotate the in-process and extrude each other between regulating plate 52, make the inside absorbing drop of sponge 32 that absorbs water pressurized and separate out, make sponge 32 that absorbs water can continue to carry out the absorption of condensation drop on the transmission pipeline 9 inner wall when carrying out the transmission once more.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise forms disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (6)
1. The coal sample pneumatic transmission system based on pipeline transfer comprises a sample storage workstation (1), a sampling workstation (6), a protection pipeline (7), a transmission frame (8), a transmission pipeline (9) and a communication control cable (10), wherein one side of the upper surface of the sample storage workstation (1) is connected with the protection pipeline (7), one end, far away from the sample storage workstation (1), of the protection pipeline (7) is connected with the sampling workstation (6), the inner side wall of the protection pipeline (7) is provided with the transmission pipeline (9), one side, close to the transmission pipeline (9), of the inner side wall of the protection pipeline (7) is provided with the communication control cable (10), the inner side wall of the transmission pipeline (9) is provided with the transmission frame (8), and the coal sample pneumatic transmission system is characterized in that impurity removing mechanisms (2) are arranged on two sides of the outer side wall of the transmission frame (8);
clear miscellaneous mechanism (2) including first rotation groove (21), first rotation groove (21) inside wall sliding connection has first rotation ring (24), first rotation ring (24) lateral wall intermediate position department is connected with clear miscellaneous blade (22) of a plurality of evenly distributed, first rotation ring (24) inside wall intermediate position department is connected with first gomphosis piece (23) of a plurality of evenly distributed, three gyro wheel groove (27) have been seted up to transmission frame (8) lateral wall, gyro wheel groove (27) inside wall intermediate position department is connected with gyro wheel (28) through the gyro wheel axle, transmission frame (8) lateral wall is close to gyro wheel groove (211) have been seted up to one side of gyro wheel groove (27), gear groove (211) inside wall corresponds gyro wheel (28) position department is connected with drive gear (29) through the gyro wheel axle, gear groove (211) inside wall is close to drive gear (29) position department is connected with driven tooth through connecting axle (25) And the outer side wall of the connecting shaft (25) is provided with a first embedding groove (26) corresponding to the first embedding block (23).
2. The pneumatic conveying system for the coal samples based on the pipeline transfer is characterized in that impurity conveying mechanisms (4) are arranged on the outer side wall of the conveying frame (8) close to the two sides of the impurity removing blade (22);
defeated miscellaneous mechanism (4) are including storing up miscellaneous case (45), transmission frame (8) lateral wall is close to store up miscellaneous case (45) both sides integrated into one piece has second baffle (43), second baffle (43) lateral wall corresponds store up miscellaneous case (45) position department has seted up and has led miscellaneous hole (44), transmission frame (8) lateral wall is kept away from one side integrated into one piece of storing up miscellaneous case (45) has first baffle (41), clear miscellaneous blade (22) lateral wall is close to second baffle (43) position department is connected with and scrapes miscellaneous board (42).
3. The pneumatic pipeline transfer-based coal sample conveying system according to claim 1, wherein a wiping mechanism (3) is arranged outside the outer side wall of the conveying frame (8);
wiping mechanism (3) include second rotation groove (31), second rotation groove (31) inside wall sliding connection has second rotating ring (33), second rotating ring (33) lateral wall is connected with absorbent sponge (32), second rotating ring (33) inside wall is connected with a plurality of evenly distributed's second gomphosis piece (34), connecting axle (25) lateral wall corresponds second gomphosis piece (34) position department has seted up second gomphosis groove (35).
4. The pneumatic conveying system for coal samples based on pipeline transfer is characterized in that a buffer mechanism (5) is arranged on the inner side wall of the conveying pipeline (9) close to the sampling workstation (6);
buffer gear (5) are including adjustment tank (51), adjustment tank (51) inside wall upper end is rotated through the runner and is connected with regulating plate (52), regulating plate (52) lateral wall is close to adjustment tank (51) position department is connected with telescopic link (54) through rotating seat (55), adjustment tank (51) inside wall corresponds telescopic link (54) position department is connected with spring (53).
5. The pneumatic conveying system for coal samples transferred based on the pipeline as claimed in claim 2, characterized in that the two sides of the inner side wall of the impurity storage tank (45) are integrally formed with partition plates (46), the partition plates (46) are designed to be inclined, and the height of the partition plates (46) is smaller than that of the impurity storage tank (45).
6. The pneumatic conveying system for coal samples based on pipeline transfer according to claim 1, characterized in that the use method of the pneumatic conveying system for coal samples comprises the following steps:
the method comprises the following steps: coal sample bottles are put into the sample storage workstation (1) and are put into the transmission frame (8) on the inner side of the transmission pipeline (9) for position fixing, the pneumatic transmission equipment works to enable the transmission frame (8) to slide on the inner side wall of the transmission pipeline (9) under the pushing of air flow and stop when reaching the position of the sampling workstation (6), in the transmission process, rollers (28) connected with the inner sides of roller grooves (27) at the two ends of the outer side wall of the transmission frame (8) are tightly contacted with the inner wall of the transmission pipeline (9), when the transmission frame (8) moves under the pushing of the air flow, the rollers (28) and the inner wall of the transmission pipeline (9) rub to rotate and drive a driving gear (29) coaxially positioned on the inner side of a gear groove (211) to rotate, the driving gear (29) and a driven gear (210) are mutually embedded, so that the driven gear (210) connected on a connecting shaft (25) rotates, a first rotating ring (24) which is embedded with a first embedding groove (26) on the outer side wall of the connecting shaft (25) through a first embedding block (23) rotates under the driving of the connecting shaft (25), and a plurality of impurity removing blades (22) on the outer side of the rotating first rotating ring (24) clean stubborn stains adhered to the inner wall of the transmission pipeline (9);
step two: the first baffle (41) and the second baffle (43) are respectively connected with two sides of the conveying frame (8) close to the impurity removing blade (22), and the outer sides of the first baffle (41) and the second baffle (43) are in close contact with the inner wall of the transmission pipeline (9), so that impurities cleaned by the impurity cleaning blade (22) in the rotation process of the first rotating ring (24) are limited in an annular space formed by the first baffle (41), the second baffle (43), the outer side wall of the transmission frame (8) and the inner side wall of the transmission pipeline (9), the impurity cleaning blade (22) drives the impurity scraping plate (42) to rotate along with the rotation process of the first rotating ring (24), so that the impurity scraping plate (42) pushes the impurities in the annular space to move in the annular space, and falls into the impurity storage box (45) at the position of the impurity guide hole (44), and impurities falling into the impurity storage box (45) are limited by the partition plates (46) inclined at two sides of the inner side wall of the impurity storage box (45);
step three: a second embedding groove (35) formed in the position, corresponding to the second rotating ring (33), of the outer side wall of the connecting shaft (25) is mutually embedded with a second embedding block (34) on the inner side wall of the second rotating ring (33), so that the rotating connecting shaft (25) drives the second rotating ring (33) to rotate, the water absorption sponge (32) connected to the outer side wall of the second rotating ring (33) rotates along with the second embedding block, and water drops on the inner wall of the transmission pipeline (9) can be wiped and cleaned in the rotating process of the water absorption sponge (32);
step four: transmission frame (8) are followed transmission pipeline (9) inside transmission and are collided with regulating plate (52) behind sample workstation (6) position department, make regulating plate (52) receive the effect of impact and rotate around the runner of being connected with adjustment tank (51), rotate the in-process, regulating plate (52) extrude spring (53), make spring (53) atress shrink, shrink in-process telescopic link (54) carry out the restriction of position to spring (53), rotate seat (55) and adjust the angle variation between regulating plate (52) rotation in-process telescopic link (54) and regulating plate (52) and adjustment tank (51) inside wall.
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09255149A (en) * | 1996-03-21 | 1997-09-30 | Ishikawajima Harima Heavy Ind Co Ltd | Heavy work conveyor system of belt conveyor |
| RU161496U1 (en) * | 2015-09-30 | 2016-04-20 | Общество с ограниченной ответственностью "Научно-исследовательский институт транспорта нефти и нефтепродуктов Транснефть" (ООО "НИИ Транснефть") | CONTAINER FOR CARGO TRANSPORTATION BY CONTAINER PIPELINE |
| CN105600451A (en) * | 2016-01-28 | 2016-05-25 | 湖南三德科技股份有限公司 | Pneumatic material conveying system with functions of sweeping and collecting |
| CN205526670U (en) * | 2016-01-28 | 2016-08-31 | 湖南三德科技股份有限公司 | Utilize single piston sheath driven material pneumatic tube system |
| CN211488920U (en) * | 2019-12-06 | 2020-09-15 | 济南热力工程有限公司 | Automatic cleaning device for inner wall of pipeline |
| CN111715638A (en) * | 2020-07-08 | 2020-09-29 | 界首市神机合自动化科技有限公司 | Cleaning device used for adjusting inner diameters of different pipelines |
| CN111945840A (en) * | 2020-08-20 | 2020-11-17 | 杭州偶耀智能科技有限公司 | Inside cleaning device of portable pipeline |
| CN112090885A (en) * | 2020-09-08 | 2020-12-18 | 方常平 | Efficient self-adaptive pipeline cleaning mechanism |
| CN112958550A (en) * | 2021-01-29 | 2021-06-15 | 罗安群 | Thermal decontamination method applied to long pipeline |
-
2021
- 2021-10-11 CN CN202111182384.XA patent/CN113844895B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09255149A (en) * | 1996-03-21 | 1997-09-30 | Ishikawajima Harima Heavy Ind Co Ltd | Heavy work conveyor system of belt conveyor |
| RU161496U1 (en) * | 2015-09-30 | 2016-04-20 | Общество с ограниченной ответственностью "Научно-исследовательский институт транспорта нефти и нефтепродуктов Транснефть" (ООО "НИИ Транснефть") | CONTAINER FOR CARGO TRANSPORTATION BY CONTAINER PIPELINE |
| CN105600451A (en) * | 2016-01-28 | 2016-05-25 | 湖南三德科技股份有限公司 | Pneumatic material conveying system with functions of sweeping and collecting |
| CN205526670U (en) * | 2016-01-28 | 2016-08-31 | 湖南三德科技股份有限公司 | Utilize single piston sheath driven material pneumatic tube system |
| CN211488920U (en) * | 2019-12-06 | 2020-09-15 | 济南热力工程有限公司 | Automatic cleaning device for inner wall of pipeline |
| CN111715638A (en) * | 2020-07-08 | 2020-09-29 | 界首市神机合自动化科技有限公司 | Cleaning device used for adjusting inner diameters of different pipelines |
| CN111945840A (en) * | 2020-08-20 | 2020-11-17 | 杭州偶耀智能科技有限公司 | Inside cleaning device of portable pipeline |
| CN112090885A (en) * | 2020-09-08 | 2020-12-18 | 方常平 | Efficient self-adaptive pipeline cleaning mechanism |
| CN112958550A (en) * | 2021-01-29 | 2021-06-15 | 罗安群 | Thermal decontamination method applied to long pipeline |
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