CN214600376U - Roller screen convenient to clean for coal mine - Google Patents
Roller screen convenient to clean for coal mine Download PDFInfo
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- CN214600376U CN214600376U CN202120254314.XU CN202120254314U CN214600376U CN 214600376 U CN214600376 U CN 214600376U CN 202120254314 U CN202120254314 U CN 202120254314U CN 214600376 U CN214600376 U CN 214600376U
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- sieve
- platform
- clearance
- backplate
- coal mine
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Abstract
The utility model belongs to the technical field of the roller bearing sieve, concretely relates to roller bearing sieve for coal mine convenient to clearance, include: frame, a plurality of parallel arrangement sieve axle, backplate and clearance subassembly in the frame, every the epaxial a plurality of sieve pieces that all are equipped with of sieve, the vertical backplate that parallels that is equipped with in the frame, the backplate all is provided with the slide rail on the lateral wall towards the sieve mesh, two the slide rail is put on the shelf and is equipped with the clearance subassembly that can follow the slide rail motion, the clearance subassembly is located the top of sieve axle, the clearance subassembly includes: moving platform, flexible subassembly, clearance platform and first unit of brush, moving platform's side bottom be provided with a plurality ofly with slide rail matched with pulley, moving platform's lower extreme is connected with clearance platform through flexible subassembly, the vertical a plurality of first units of brush that are provided with of clearance platform lower extreme.
Description
Technical Field
The utility model belongs to the technical field of the roller bearing sieve, concretely relates to roller bearing sieve for coal mine convenient to clearance.
Background
The screening equipment plays an important role in the process of crushing and screening the mine, qualified materials can be screened out by pre-screening before crushing, the crushing amount and the over-crushing caused by repeated crushing are greatly reduced, and the energy and the abrasion loss of abrasion parts are greatly saved; unqualified materials can be screened out through the crushed screening, and the safe and efficient operation of downstream equipment is guaranteed.
The roller screen is a common screening device, but the existing roller screen has two fatal defects which are difficult to overcome, so that the reliability of the existing roller screen in use is low. Firstly, blocking: the screen pieces on adjacent screen shafts of the existing roller screen are arranged in a staggered manner, the outer circles of the screen pieces are made into relatively large and deep teeth, and when hard materials with proper sizes and shapes enter tooth grooves of the screen pieces, the adjacent screen shafts are easily clamped, so that a shaft coupling pin shaft is cut off and a production line is shut down; secondly, sticking and blocking: when the humidity of the material is high, the material is easy to stick slowly between the sieve sheets until the gap is blocked to lose the sieving function, and the sieve sheets and the sticking material are worn due to strong friction.
In current roller screen, install rigidity clear glassware additional between the sieve piece below the sieve axle, though can avoid the sieve piece clearance to be blockked up, can't clear up the sizing in sieve piece clearance, in the current production, generally clear up the sizing in sieve piece clearance by the manual work, working strength is big.
SUMMERY OF THE UTILITY MODEL
The utility model overcomes prior art exists not enough, provides a roller screen for coal mine convenient to carry out the clearance to the sizing in sieve piece clearance.
In order to solve the technical problem, the utility model discloses a technical scheme be:
a roller screen for coal mines convenient to clean, includes: frame, a plurality of parallel arrangement sieve axle, backplate and clearance subassembly in the frame, every sieve epaxial all is equipped with a plurality of sieve pieces, every sieve epaxial adjacent two clearance between the sieve piece constitutes the sieve mesh, every adjacent two sieve axle the equal staggered arrangement of sieve mesh, the vertical backplate that parallels that is equipped with in the frame, two the backplate is located respectively sieve axle's both sides, the backplate all is provided with the slide rail on the lateral wall towards the sieve mesh, two slide rail is put on the shelf and is equipped with the clearance subassembly that can follow the slide rail motion, the clearance subassembly is located sieve axle's top, the clearance subassembly includes: moving platform, flexible subassembly, clearance platform and first unit of brush, moving platform's side bottom be provided with a plurality of with slide rail matched with pulley, moving platform's lower extreme is connected with the clearance platform through flexible subassembly, the vertical brush head unit that is provided with a plurality of clearance platform lower extreme, it is provided with two rows to brush the head unit, it is adjacent with two to brush the head unit the sieve mesh one-to-one of sieve axle, the clearance subassembly once can accomplish the clearance to the sieve mesh of two adjacent sieve axles, brush the head unit and include brush-holder stud and brush hair, the upper end of brush-holder stud is fixed in clearance platform lower extreme, the lower part surface of brush-holder stud is equipped with a plurality of brush hairs.
The telescoping assembly comprises: telescopic cylinder, guide post and uide bushing, telescopic cylinder's cylinder body is vertical to be fixed in moving platform's lower extreme, telescopic cylinder's piston rod down and be fixed with cleaning platform, it is a plurality of the guide post is vertical to be fixed in moving platform's lower extreme, a plurality of and guide post matched with the uide bushing is fixed in on cleaning platform's the lateral wall, the uide bushing with the guide post one-to-one, the guide post runs through the uide bushing, guide post and uide bushing play the effect of direction and support, avoid brushing the head unit and receive the power of sieve axle when wasing, make cleaning platform take place to rotate.
The guide post is of a round rod structure, the guide sleeve is of a cylindrical structure with an upper opening and a lower opening, and the side end of the guide sleeve is fixedly connected with the side wall of the cleaning platform.
The upper end symmetry of moving platform is provided with two drive unit, drive unit includes: the movable roller comprises rollers, roller shafts, a motor support plate, a driving motor and a speed reducer, wherein the motor support plate is arranged at the upper end of the movable platform in parallel, the roller shafts are perpendicular to the movable platform, the lower ends of the roller shafts are rotatably arranged at the upper end of the movable platform, the rollers are coaxially fixed on the roller shafts, the rollers are in contact with the side wall of the protective plate, the upper ends of the roller shafts penetrate through and extend out of the motor support plate, the roller shafts can rotate relative to the motor support plate, and the driving motor is connected with the upper ends of the roller shafts through the speed reducer.
The upper end symmetry of moving platform is provided with two firm units, firm unit includes: firm cylinder and briquetting, the cylinder body of firm cylinder is fixed in moving platform's upper end, the piston rod orientation of firm cylinder the lateral wall of backplate just is fixed with the briquetting, the briquetting can be the cuboid structure, the briquetting compresses tightly during the backplate, can stabilize whole clearance subassembly, prevents the clearance subassembly displacement when the clearance.
The guard plate is of a rectangular plate-shaped structure, and the long edge direction of the guard plate is the same as the conveying direction of the materials on the sieve shaft.
The stabilizing unit is used for avoiding the driving unit.
The bristles are made of steel wires.
The working principle of the utility model is as follows:
when the roller screen finishes the work shutdown, sticky materials in gaps among screen pieces of the roller screen can be cleaned by a cleaning assembly, a driving motor is started to drive a moving platform to move, two rows of brush head units at the lower end of the cleaning platform are aligned with two adjacent screen shafts below, the brush head units correspond to the screen holes of the two adjacent screen shafts one by one, a stabilizing cylinder is controlled to abut a pressing block on a protection plate, a telescopic cylinder is started again, a brush rod extends into the screen holes, brush bristles contact the upper ends of the corresponding screen shafts and the side ends of the screen pieces, and the corresponding screen shafts are rotated, so that the cleaning of the screen holes can be finished; after the cleaning is finished, the telescopic cylinder contracts, the stable cylinder contracts, and the driving motor is started to drive the moving platform to move to the next two sieve shafts to be cleaned, so that the cleaning work is carried out.
Compared with the prior art, the utility model following beneficial effect has.
The utility model discloses can clear up the sizing in sieve piece clearance, at roller screen during operation, clearance platform and brush head unit are located the sieve epaxial side, and with the separation of sieve axle, can not influence roller screen work, at roller screen stop work, can clear up the sieve mesh, and staff easy operation has reduced staff's intensity of labour simultaneously.
Drawings
The present invention will be further described with reference to the accompanying drawings.
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a bottom view of the cleaning platform of the present invention.
Fig. 3 is a schematic structural view of two adjacent screen shafts of the present invention.
Fig. 4 is a top view of the mobile platform of the present invention.
In the figure: 1 is the frame, 2 is the sieve axle, 21 is the sieve piece, 22 is the sieve hole, 3 is the backplate, 31 is the slide rail, 4 is moving platform, 41 is the pulley, 5 is flexible subassembly, 51 is telescopic cylinder, 52 is the guide post, 53 is the uide bushing, 6 is the clearance platform, 7 is brush head unit, 71 is the brush-holder stud, 72 is the brush hair, 8 is the drive unit, 81 is the gyro wheel, 82 is the roller shaft, 83 is the motor extension board, 84 is driving motor, 85 is the reduction gear, 9 is the unit that stabilizes, 91 is the cylinder that stabilizes, 92 is the briquetting.
Detailed Description
The following is a further description with reference to specific examples.
A roller screen for coal mines convenient to clean, includes: frame 1, a plurality of parallel arrangement sieve axle 2, backplate 3 and clearance subassembly in frame 1, every all be equipped with a plurality of sieve pieces 21 on the sieve axle 2, every adjacent two on the sieve axle 2 clearance between the sieve piece 21 constitutes sieve mesh 22, every adjacent two sieve axle 2 sieve mesh 22 all staggered arrangement, the vertical backplate 3 that are equipped with two parallels in frame 1, two backplate 3 is located respectively sieve axle 2's both sides, 3 lateral walls towards sieve mesh 22 of backplate all are provided with slide rail 31, two slide rail 31 is put on the shelf and is equipped with the clearance subassembly that can follow slide rail 31 motion, the clearance subassembly is located sieve axle 2's top, the clearance subassembly includes: moving platform 4, flexible subassembly 5, clearance platform 6 and brush head unit 7, moving platform 4's side bottom be provided with a plurality ofly with slide rail 31 matched with pulley 41, moving platform 4's lower extreme is connected with clearance platform 6 through flexible subassembly 5, the vertical brush head unit 7 that is provided with of 6 lower extremes of clearance platform, it is adjacent with two to brush head unit 7 sieve mesh 22 one-to-one of sieve axle 2, the clearance subassembly once can accomplish the clearance to the sieve mesh 22 of two adjacent sieve axles 2, brush head unit 7 includes brush-holder stud 71 and brush hair 72, the upper end of brush-holder stud 71 is fixed in clearance platform 6 lower extreme, the lower part surface of brush-holder stud 71 is equipped with a plurality of brush hairs 72.
The telescopic assembly 5 comprises: telescopic cylinder 51, guide post 52 and uide bushing 53, telescopic cylinder 51's cylinder body is vertical to be fixed in moving platform 4's lower extreme, telescopic cylinder 51's piston rod down and be fixed with clearance platform 6, four guide post 52 is vertical to be fixed in moving platform 4's lower extreme, four and guide post 52 matched with uide bushing 53 is fixed in on clearance platform 6's the lateral wall, uide bushing 53 with guide post 52 one-to-one, guide post 52 runs through uide bushing 53.
The guide column 52 is of a round rod structure, the guide sleeve 53 is of a cylindrical structure with an upper opening and a lower opening, and the side end of the guide sleeve 53 is fixedly connected with the side wall of the cleaning platform 6.
The upper end symmetry of moving platform 4 is provided with two drive unit 8, drive unit 8 includes: the movable platform comprises rollers 81, roller shafts 82, motor support plates 83, driving motors 84 and a speed reducer 85, wherein the motor support plates 83 are arranged at the upper end of the movable platform 4 in parallel, the roller shafts 82 are perpendicular to the movable platform 4, the lower ends of the roller shafts 82 are rotatably arranged at the upper end of the movable platform 4, the rollers 81 are coaxially fixed on the roller shafts 82, the rollers 81 are in contact with the side walls of the guard plate 3, the upper ends of the roller shafts 82 penetrate through and extend out of the motor support plates 83, the roller shafts 82 can rotate relative to the motor support plates 83, and the driving motors 84 are connected with the upper ends of the roller shafts 82 through the speed reducer 85.
The upper end symmetry of moving platform 4 is provided with two firm units 9, firm unit 9 includes: firm cylinder 91 and briquetting 92, the cylinder body of firm cylinder 91 is fixed in the upper end of moving platform 4, the piston rod orientation of firm cylinder 91 the lateral wall of backplate 3 just is fixed with briquetting 92, briquetting 92 is the cuboid structure.
The guard plate 3 is of a rectangular plate-shaped structure, and the long side direction of the guard plate 3 is the same as the conveying direction of the materials on the sieve shaft 2.
The securing unit 9 is retracted by the drive unit 8.
The bristles 72 are made of steel wires.
The above embodiments are merely illustrative of the principles and effects of the present invention, and are not intended to limit the present invention. It will be apparent to those skilled in the art that modifications and improvements can be made to the above-described embodiments without departing from the spirit and scope of the invention. Accordingly, it will be appreciated that those skilled in the art, upon attaining an understanding of the foregoing may readily produce alterations to, variations of, and equivalents to these embodiments without departing from the spirit and scope of the present invention as defined by the appended claims.
Claims (8)
1. A roller screen for coal mine convenient to clean is characterized by comprising: frame (1), a plurality of parallel arrangement sieve axle (2), backplate (3) and clearance subassembly in frame (1), every all be equipped with a plurality of sieve pieces (21) on sieve axle (2), every sieve axle (2) go up adjacent two clearance between sieve piece (21) constitutes sieve mesh (22), every adjacent two sieve axle (2) sieve mesh (22) equal staggered arrangement, frame (1) is gone up vertical backplate (3) that are equipped with two parallels, two backplate (3) are located respectively the both sides of sieve axle (2), backplate (3) all are provided with slide rail (31) on the lateral wall towards sieve mesh (22), two slide rail (31) are put up the clearance subassembly that can follow slide rail (31) motion, the clearance subassembly is located the top of sieve axle (2), the clearance subassembly includes: a mobile platform (4), a telescopic component (5), a cleaning platform (6) and a brush head unit (7), a plurality of pulleys (41) matched with the sliding rails (31) are arranged at the bottom of the side end of the mobile platform (4), the lower end of the mobile platform (4) is connected with a cleaning platform (6) through a telescopic component (5), a plurality of brush head units (7) are vertically arranged at the lower end of the cleaning platform (6), the brush head units (7) are in one-to-one correspondence with the sieve holes (22) of two adjacent sieve shafts (2), the cleaning component can clean the screen holes (22) of two adjacent screen shafts (2) at one time, the brush head unit (7) comprises a brush rod (71) and bristles (72), the upper end of the brush rod (71) is fixed at the lower end of the cleaning platform (6), and a plurality of bristles (72) are arranged on the outer surface of the lower part of the brush rod (71).
2. A coal mine roller screen convenient to clean as claimed in claim 1, wherein the telescoping assembly (5) comprises: telescopic cylinder (51), guide post (52) and uide bushing (53), the cylinder body of telescopic cylinder (51) is vertical to be fixed in the lower extreme of moving platform (4), the piston rod of telescopic cylinder (51) just is fixed with down clearance platform (6), it is a plurality of guide post (52) are vertical to be fixed in the lower extreme of moving platform (4), a plurality ofly with guide post (52) matched with uide bushing (53) are fixed in on the lateral wall of clearance platform (6), uide bushing (53) with guide post (52) one-to-one, guide post (52) run through uide bushing (53).
3. The coal mine roller screen convenient to clean as claimed in claim 2, wherein the guide column (52) is of a round rod structure, the guide sleeve (53) is of a cylindrical structure with an upper opening and a lower opening, and the side end of the guide sleeve (53) is fixedly connected with the side wall of the cleaning platform (6).
4. A coal mine roller screen convenient for cleaning according to claim 1, characterized in that the upper end of the moving platform (4) is symmetrically provided with two driving units (8), and the driving units (8) comprise: gyro wheel (81), roller shaft (82), motor extension board (83), driving motor (84) and reduction gear (85), motor extension board (83) parallel arrangement in the upper end of moving platform (4), roller shaft (82) perpendicular to moving platform (4), the lower extreme of roller shaft (82) rotate set up in the upper end of moving platform (4), coaxial fixed has gyro wheel (81) on roller shaft (82), gyro wheel (81) with the lateral wall of backplate (3) contacts, the upper end of roller shaft (82) runs through and stretches out motor extension board (83), roller shaft (82) can be relative motor extension board (83) rotate, driving motor (84) pass through reduction gear (85) with the upper end of roller shaft (82) is connected.
5. A coal mine roller screen convenient for cleaning according to claim 4, characterized in that the upper end of the moving platform (4) is symmetrically provided with two stabilizing units (9), and the stabilizing units (9) comprise: firm cylinder (91) and briquetting (92), the cylinder body of firm cylinder (91) is fixed in the upper end of moving platform (4), the piston rod orientation of firm cylinder (91) the lateral wall of backplate (3) just is fixed with briquetting (92).
6. A coal mine roller screen convenient to clean as claimed in claim 1, characterized in that the guard plate (3) is of a rectangular plate-like structure, and the long side direction of the guard plate (3) is the same as the conveying direction of the material on the screen shaft (2).
7. A coal mine roller screen convenient to clean as claimed in claim 5, characterized in that the stabilizing unit (9) is set back for the driving unit (8).
8. A coal mine roller screen convenient to clean as claimed in claim 1, wherein the bristles (72) are made of steel wires.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120254314.XU CN214600376U (en) | 2021-01-29 | 2021-01-29 | Roller screen convenient to clean for coal mine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120254314.XU CN214600376U (en) | 2021-01-29 | 2021-01-29 | Roller screen convenient to clean for coal mine |
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| Publication Number | Publication Date |
|---|---|
| CN214600376U true CN214600376U (en) | 2021-11-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120254314.XU Active CN214600376U (en) | 2021-01-29 | 2021-01-29 | Roller screen convenient to clean for coal mine |
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| CN (1) | CN214600376U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114798408A (en) * | 2022-04-24 | 2022-07-29 | 山东日照发电有限公司 | Roller screen system with automatic cleaning function and using method thereof |
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2021
- 2021-01-29 CN CN202120254314.XU patent/CN214600376U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114798408A (en) * | 2022-04-24 | 2022-07-29 | 山东日照发电有限公司 | Roller screen system with automatic cleaning function and using method thereof |
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