CN113335900A - Coal feeding prevention device for roller bearing of coal conveying belt - Google Patents
Coal feeding prevention device for roller bearing of coal conveying belt Download PDFInfo
- Publication number
- CN113335900A CN113335900A CN202110618624.XA CN202110618624A CN113335900A CN 113335900 A CN113335900 A CN 113335900A CN 202110618624 A CN202110618624 A CN 202110618624A CN 113335900 A CN113335900 A CN 113335900A
- Authority
- CN
- China
- Prior art keywords
- coal
- wear
- roller bearing
- brush
- sleeve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000003245 coal Substances 0.000 title claims abstract description 56
- 230000002265 prevention Effects 0.000 title claims abstract description 14
- 238000005192 partition Methods 0.000 claims abstract description 22
- 230000005540 biological transmission Effects 0.000 claims abstract description 14
- 230000003068 static effect Effects 0.000 claims abstract description 13
- 239000004744 fabric Substances 0.000 claims abstract description 8
- 239000004020 conductor Substances 0.000 claims abstract description 4
- 239000000428 dust Substances 0.000 claims description 15
- 238000010521 absorption reaction Methods 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 6
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 208000002925 dental caries Diseases 0.000 claims description 2
- -1 polytetrafluoroethylene Polymers 0.000 claims description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 2
- 230000005611 electricity Effects 0.000 abstract description 8
- 239000002817 coal dust Substances 0.000 description 11
- 230000000694 effects Effects 0.000 description 10
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 8
- 239000010687 lubricating oil Substances 0.000 description 7
- 239000000843 powder Substances 0.000 description 5
- 238000012423 maintenance Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000010408 sweeping Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- 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
- B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
- B65G47/74—Feeding, transfer, or discharging devices of particular kinds or types
- B65G47/82—Rotary or reciprocating members for direct action on articles or materials, e.g. pushers, rakes, shovels
-
- B08B1/12—
-
- B08B1/30—
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B6/00—Cleaning by electrostatic means
-
- 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
- B65G23/00—Driving gear for endless conveyors; Belt- or chain-tensioning arrangements
- B65G23/02—Belt- or chain-engaging elements
- B65G23/04—Drums, rollers, or wheels
-
- 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
- B65G39/00—Rollers, e.g. drive rollers, or arrangements thereof incorporated in roller-ways or other types of mechanical conveyors
- B65G39/02—Adaptations of individual rollers and supports therefor
- B65G39/09—Arrangements of bearing or sealing means
-
- 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
- B65G69/00—Auxiliary measures taken, or devices used, in connection with loading or unloading
- B65G69/18—Preventing escape of dust
- B65G69/185—Preventing escape of dust by means of non-sealed systems
- B65G69/186—Preventing escape of dust by means of non-sealed systems with aspiration means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/72—Sealings
- F16C33/76—Sealings of ball or roller bearings
- F16C33/82—Arrangements for electrostatic or magnetic action against dust or other particles
-
- 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
Abstract
The invention relates to the technical field of coal transportation, and particularly discloses a coal feeding prevention device for a coal belt roller bearing, which comprises a wear-resistant partition plate which is rotatably connected to a transmission shaft and can cover one end of the roller bearing, and a sleeve which can be fixedly connected to the shaft, wherein a plurality of brush plates are uniformly arranged at one end, close to the wear-resistant partition plate, of the sleeve in the circumferential direction, the brush plates are made of conductive materials, brushes are arranged on one surfaces, close to the wear-resistant partition plate, of the brush plates, a plurality of cavities are formed in the brush plates, friction gaskets are fixedly connected to the inner walls of the cavities, balls which can rotate in the cavities are arranged in the cavities, and electrostatic cloth which can generate static electricity by friction with the friction gaskets is arranged on the surfaces of the balls.
Description
Technical Field
The application relates to the technical field of coal transportation, and particularly discloses a coal feeding prevention device for a coal conveying belt roller bearing.
Background
The coal conveying belt is an important accessory equipment of a thermal power plant, and the running stability of the coal conveying belt directly influences the coal burning safety of a main machine. The roller bearing is arranged on a transmission shaft of the coal conveying belt, and a coal conveying system has certain dust pollution, particularly coal is easily accumulated around the roller due to coal adhesion of the belt, so that fine coal powder enters the roller bearing along the rotation of the shaft, the oil filling and changing period of the roller bearing is shortened, and the overhauling and maintenance amount is increased. If the maintenance is not in place, the bearing is damaged, and even the roller journal is worn. In daily maintenance, when lubricating oil is added to a roller bearing of a coal conveying belt, the phenomenon that coal dust is doped in the lubricating oil of the roller bearing often occurs, so that the quality of the lubricating oil is reduced, the using effect of the lubricating oil is influenced, and the service life of the roller bearing is shortened.
Disclosure of Invention
The invention aims to solve the problem that the service life of a roller bearing is influenced when coal powder enters the roller bearing in the traditional coal transportation process.
In order to achieve the purpose, the basic scheme of the invention provides a coal feeding prevention device for a coal belt roller bearing, which comprises a wear-resistant partition plate which is rotatably connected to a transmission shaft and can cover one end of the roller bearing, and a sleeve pipe which can be fixedly connected to the shaft, wherein a plurality of brush plates are uniformly arranged at one end, close to the wear-resistant partition plate, of the sleeve pipe in the circumferential direction, the brush plates are made of conductive materials, brushes are arranged on one surfaces, close to the wear-resistant partition plate, of the brush plates, a plurality of cavities are formed in the brush plates, friction gaskets are fixedly connected to the inner walls of the cavities, balls which can rotate in the cavities are arranged in the cavities, and static cloth which can generate static electricity by friction with the friction gaskets is arranged on the surfaces of the balls.
The principle and effect of this basic scheme lie in:
1. the roller bearing is provided with the wear-resistant partition plate and the sleeve, the roller bearing is covered by the wear-resistant partition plate, the shielding and interlayer effects are achieved, and the coal dust can be effectively prevented from entering the roller bearing from the surface of the transmission shaft, so that the using effect of lubricating oil in the roller bearing is influenced.
2. The invention is provided with the brush plate, the sleeve pipe rotates under the driving of the transmission shaft, so that the brush plate also rotates along with the rotation of the sleeve pipe, the brush plate rotates in a circumferential reciprocating way, the brush continuously brushes on the surface of the wear-resistant partition plate, thereby brushing off the coal dust accumulated on the surface of the wear-resistant partition plate, further preventing the coal dust from accumulating on the surface of the wear-resistant partition plate, and further preventing the coal dust from entering the inside of the roller bearing.
3. The invention is provided with a friction gasket and electrostatic cloth, a brush plate rotates along with the rotation of a sleeve, a ball in a cavity rotates back and forth in the cavity under the action of gravity, the ball rotates in the cavity, the electrostatic cloth on the surface of the ball and the friction gasket rub against each other to generate static electricity, the static electricity is transmitted to the surface of the brush plate through the brush plate, the whole surface of the brush plate generates the static electricity, and the static electricity adsorbs coal dust around the brush plate to further prevent the coal dust from entering the interior of a roller bearing.
4. Compared with the prior art, the invention realizes the sweeping dust removal, the electrostatic dust removal and the like under the basis of protecting the roller bearing through the wear-resistant partition plate in the coal transportation process by arranging the wear-resistant partition plate, the sleeve, the ball and the like, prevents the coal powder from entering the roller bearing from the surface of the transmission shaft to influence the use effect of the lubricating oil in the roller bearing, and solves the problem that the service life of the roller bearing is influenced by the coal powder entering the roller bearing in the traditional coal transportation process.
Further, the one end that wear-resisting baffle was kept away from to the brush board all is equipped with the recess, and equal sliding connection has the push pedal in the recess, and the push pedal is close to the equal rigid coupling of grooved underside one end and has the ejector pad, and grooved underside all is equipped with can hold the gliding spout of ejector pad, and wear-resisting baffle is close to sleeve pipe one end and is equipped with the arc wall that can hold the ejector pad and get into, and the ejector pad free end all stretches out the spout and stretches into in the arc wall, all is equipped with a plurality of springs between push pedal and the grooved underside. In the rotating process of the push plate, the push blocks sequentially enter the arc-shaped grooves, so that the push plate slides in the grooves in a reciprocating manner, and the coal powder accumulated in the grooves is pushed out.
Furthermore, sealing gaskets are arranged at the peripheral ends of the push plates. The sealing washer has good sealing performance, and prevents pulverized coal from entering between the push plate and the groove and influencing the service life of the spring.
Furthermore, the surface of the sleeve is provided with a dust absorption pad. The dust absorption pad can adsorb the buggy, is convenient for change the maintenance.
Furthermore, the dust absorption pad and the hairbrush are both made of thick felts. The thick felt has stronger capability of adsorbing coal dust.
Furthermore, the cavities are uniformly distributed on the side wall of the groove. The cavity equipartition has improved the effect that the lateral wall adsorbs the buggy in the lateral wall of recess to release the buggy through the push pedal.
Furthermore, the sleeve pipe is close to wear-resisting baffle one end and is equipped with the lantern ring, is equipped with the connecting pipe of rotating connection in the lantern ring on the wear-resisting baffle. The connecting pipe rotates to be connected in the cover ring, prevents under the prerequisite that sleeve pipe and wear-resisting baffle break away from each other, has still improved the dustproof effect of sleeve pipe and wear-resisting baffle junction.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a coal belt roller bearing coal feeding prevention device according to an embodiment of the present application;
FIG. 2 is a cross-sectional view of a brush plate of a coal belt roller bearing coal feeding prevention device according to an embodiment of the present invention;
FIG. 3 is a sectional view A-A of FIG. 2 illustrating a coal belt roller bearing anti-entry device according to an embodiment of the present invention;
fig. 4 shows a schematic structural diagram of a wear-resistant partition plate in a coal belt roller bearing anti-coal-feeding device provided by the embodiment of the application.
Detailed Description
To further illustrate the technical means and effects of the present invention adopted to achieve the predetermined objects, the following detailed description of the embodiments, structures, features and effects according to the present invention will be made with reference to the accompanying drawings and preferred embodiments.
Reference numerals in the drawings of the specification include: the device comprises a wear-resistant partition plate 1, a sleeve 2, a brush plate 3, a push block 4, a push plate 5, a spring 6, a brush 7, a friction gasket 8, a ball 9 and an arc-shaped groove 10.
A coal feeding belt roller bearing coal feeding prevention device is disclosed, and an embodiment is shown in figure 1: comprises a wear-resistant baffle plate 1 which is rotationally connected on a transmission shaft and can cover one end of a roller bearing and a sleeve 2 which can be fixedly connected on the shaft, concretely, the sleeve 2 is connected with the transmission shaft in a key way, the surface of the sleeve 2 is provided with a dust absorption pad, one end of the sleeve 2 close to the wear-resistant baffle plate 1 is circumferentially and uniformly provided with a plurality of brush plates 3, the brush plates 3 are all made of conductive materials, the implementation example is shown in figures 2 and 3, one surfaces of the brush plates 3 close to the wear-resistant baffle plate 1 are provided with brushes 7, one ends of the brush plates 3 far away from the wear-resistant baffle plate 1 are provided with grooves, push plates 5 are respectively connected in the grooves in a sliding way, the peripheral ends of the push plates 5 are provided with sealing gaskets, one ends of the push plates 5 close to the bottom surfaces of the grooves are fixedly connected with push blocks 4, the bottom surfaces of the grooves are provided with sliding chutes which, the dog is located the lower department of 1 vertical direction of wear-resisting baffle, 4 free ends of ejector pad all stretch out the spout and stretch into in the arc wall 10, all be equipped with a plurality of springs 6 between push pedal 5 and the grooved underside, be equipped with a plurality of cavitys in the brush board 3, the chamber equipartition is in the lateral wall of recess, the equal rigid coupling of cavity inner wall has friction pad 8, all be equipped with the ball 9 that can be at the cavity internal rotation in the cavity, ball 9 surface all is equipped with the static cloth that can produce static with friction pad 8 friction, sleeve pipe 2 is close to 1 one end of wear-resisting baffle and is equipped with the lantern ring, be equipped with on the wear-resisting baffle 1 and rotate the connecting pipe of connection in the lantern ring, dust absorption pad and 7 volume materials of brush are thick felt, the material of wear-resisting baffle 1 is polytetrafluoroethylene.
In the implementation process of the invention, a wear-resistant clapboard 1 and a sleeve 2 are arranged on a transmission shaft, wherein the wear-resistant clapboard 1 covers a roller bearing and is rotationally connected with the transmission shaft, the sleeve 2 is connected with the transmission shaft in a key way, the wear-resistant clapboard 1 can play a role of dust prevention and protection on the roller bearing in the process of transporting coal materials by a coal conveying belt, the transmission shaft rotates to drive the sleeve 2 to rotate, the sleeve 2 drives each brush plate 3 to rotate, a brush 7 continuously brushes on the surface of the wear-resistant clapboard 1 to brush away coal dust accumulated on the surface of the wear-resistant clapboard 1, meanwhile, balls 9 rotate back and forth in a cavity under the action of gravity along with the rotation of the brush plates 3, the balls 9 rotate in the cavity, so that electrostatic cloth on the surfaces of the balls 9 and a friction gasket 8 rub against each other to generate static electricity, and the electrostatic cloth is transmitted to the surface of the brush plates 3 through the brush plates 3 to generate static electricity on the whole surface of the brush plates 3, adsorb the buggy around brush board 3, the buggy adsorbs at recess inner wall and brush board 3 surfaces, wherein, because the cavity is concentrated and is distributed at the recess lateral wall, so the buggy of recess lateral wall is more, when brush board 3 rotates, ejector pad 4 slides along arc 10 in arc 10, when ejector pad 4 slides arc 10 lower position, the position at baffle place promptly, the extrusion of baffle is received to ejector pad 4, promote push pedal 5, release the buggy in the recess, can make the buggy drop on ground, prevent that the buggy from getting into in the rolling bearing.
Compared with the prior art, the coal conveying device has the advantages that due to the arrangement of the wear-resistant partition plate 1, the sleeve 2, the balls 9 and the like, under the condition that the roller bearing is protected by the wear-resistant partition plate 1 in the coal conveying process, sweeping dust removal, electrostatic dust removal and the like are realized, coal dust is prevented from entering the roller bearing from the surface of the transmission shaft to influence the use effect of lubricating oil in the roller bearing, and the problem that the service life of the roller bearing is influenced by coal dust entering the roller bearing in the traditional coal conveying process is solved.
Although the present invention has been described with reference to the preferred embodiments, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (7)
1. The utility model provides a coal conveyor belt drum bearing prevents into coal device which characterized in that: connect on the transmission shaft and can be with the wear-resisting baffle that roller bearing one end covered and the epaxial sleeve pipe of rigid coupling including rotating, the sleeve pipe is close to the one end circumference of wear-resisting baffle and evenly is equipped with a plurality of brush boards, the brush board is electrically conductive material, the one side that the brush board is close to wear-resisting baffle all is equipped with the brush, be equipped with a plurality of cavitys in the brush board, the equal rigid coupling of cavity inner wall has the friction gasket, all be equipped with the ball that can be at the cavity internal rotation in the cavity, the ball surface all is equipped with the static cloth that can produce static with the friction gasket friction.
2. The coal feeding belt roller bearing coal feeding preventing device as claimed in claim 1, wherein the ends of the brush plates far away from the wear-resistant partition plates are provided with grooves, push plates are slidably connected in the grooves, push blocks are fixedly connected to the ends of the push plates close to the bottom surfaces of the grooves, the bottom surfaces of the grooves are provided with sliding grooves for allowing the push blocks to slide, the ends of the wear-resistant partition plates close to the sleeve are provided with arc-shaped grooves for allowing the push blocks to enter, the free ends of the push blocks extend out of the sliding grooves and into the arc-shaped grooves, and a plurality of springs are arranged between the push plates and the bottom surfaces of the grooves.
3. The coal belt roller bearing coal feed prevention device as claimed in claim 2, wherein the push plate is provided at its peripheral end with a sealing gasket in sliding sealing connection with the inner wall of the groove.
4. The coal belt roller bearing coal feeding prevention device as claimed in claim 1 or 3, wherein a dust suction pad is detachably attached to the surface of the sleeve.
5. The coal feeding belt roller bearing coal feeding prevention device as claimed in claim 4, wherein a bonding surface is provided on one surface of the dust absorption pad close to the sleeve, and a clamping structure capable of being clamped with each other is provided on the side end of the dust absorption pad.
6. The coal feeding belt roller bearing coal feeding prevention device as claimed in claim 5, wherein the dust absorption pad and the brush are both made of thick felt, and the wear-resistant partition is made of polytetrafluoroethylene.
7. The coal belt roller bearing coal feeding prevention device as claimed in claim 1, wherein the sleeve is provided with a collar at an end thereof adjacent to the wear-resistant partition, and the wear-resistant partition is provided with a connection pipe rotatably connected to the collar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110618624.XA CN113335900B (en) | 2021-06-03 | 2021-06-03 | Coal feeding prevention device for roller bearing of coal conveying belt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110618624.XA CN113335900B (en) | 2021-06-03 | 2021-06-03 | Coal feeding prevention device for roller bearing of coal conveying belt |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113335900A true CN113335900A (en) | 2021-09-03 |
| CN113335900B CN113335900B (en) | 2023-01-31 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110618624.XA Active CN113335900B (en) | 2021-06-03 | 2021-06-03 | Coal feeding prevention device for roller bearing of coal conveying belt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113335900B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114636540A (en) * | 2022-02-23 | 2022-06-17 | 水利部牧区水利科学研究所 | Rotatable sand collecting instrument for measuring sand flow and sand transportation flux |
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2021
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114636540A (en) * | 2022-02-23 | 2022-06-17 | 水利部牧区水利科学研究所 | Rotatable sand collecting instrument for measuring sand flow and sand transportation flux |
| CN114636540B (en) * | 2022-02-23 | 2023-07-28 | 水利部牧区水利科学研究所 | Rotatable sand collector for measuring sand flow and sand conveying flux |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113335900B (en) | 2023-01-31 |
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