CN204817127U - Eccentric boosting type roller picker - Google Patents
Eccentric boosting type roller picker Download PDFInfo
- Publication number
- CN204817127U CN204817127U CN201520520175.5U CN201520520175U CN204817127U CN 204817127 U CN204817127 U CN 204817127U CN 201520520175 U CN201520520175 U CN 201520520175U CN 204817127 U CN204817127 U CN 204817127U
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- Prior art keywords
- sieve
- axle
- eccentric
- roller picker
- type roller
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Abstract
The utility model provides an eccentric boosting type roller picker, relates to a roller picker, including motor (12), sieve axle (5), sieve piece (6), axle sleeve (2) and eccentric adjusting device, the one end of a plurality of sieve axles all are equipped with motor (12) through shaft coupling (13) fixed connection, at the epaxial linkage gear (14) that all is equipped with of the sieve that is close to shaft coupling department, are equipped with a plurality of eccentric sleeve at the middle part interval of sieve axle, all are equipped with the sieve piece on the outer disc of axle sleeve, all are equipped with eccentric adjusting device at the other ends of a plurality of sieve axles, eccentric adjusting device includes calibrated scale (8) and manual barring (9), manual barring setting is at the tip of the other end of sieve axle, and the calibrated scale setting is on the outer disc of the sieve axle that is close to manual barring department, the utility model discloses not only to the boosting effect that has travelled forward of the coal on the roller picker working face, realize having improved screening efficiency, reduced the purpose of the jamming of lump coal between the sieve piece.
Description
[technical field]
The utility model relates to a kind of roller picker, especially relates to a kind of eccentric boosting type roller picker.
[background technology]
Known, in thermal power plant, steel plant, cement plant, coke-oven plant etc. use the enterprise of coal, and all relate to coal handling system, roller picker is the screening plant in coal handling system; Its effect is separated by the coarse coal that coal qualified for the granularity that belt conveyor successively transports and granularity transfinite, and through screening, the coal being less than sieve aperture in raw coal falls conveyer belt below roller picker, finally enters coal mill equipment; The coal being greater than sieve aperture travels forward and is admitted to disintegrating apparatus on roller picker, after the coal that disintegrating apparatus is broken into release mesh, enter coal mill equipment again by conveyer belt; At present, roller picker is made up of many roller bearings arranged in parallel, staggered on roller bearing sieve is housed, because the roller bearing of existing roller picker and sieve rotate according to circular trace centering, this makes the bulk solid on roller picker and soft impurities can not leave compass screen surface fast, have impact on the screening efficiency of roller picker; Simultaneously, the long-time stop on compass screen surface of different coarse coal or soft impurities, add the probability that coarse coal produces clamping stagnation between sieve, and soft impurities is wrapped in the possibility in sieve axle or sieve, easily cause the generation of the phenomenons such as equipment overload tripping operation, thus reduce screening efficiency, affect equipment safety operation; And due to the factor such as change of the dry wet degree of coal in coal handling system, all make existing roller picker to be used widely; Therefore, propose a kind of roller picker improving screening efficiency, be applicable to Coal rank and coal condition, become the basic demand of those skilled in the art.
[utility model content]
In order to overcome the deficiency in background technology, the utility model discloses a kind of eccentric boosting type roller picker, by axle sleeve is set to excentric sleeve, and eccentric adjuster is set in one end of sieve axle, not only the coal on roller picker working face is travelled forward booster action, achieve and improve screening efficiency, decrease the object of the clamping stagnation of lump coal between sieve.
In order to realize described goal of the invention, the utility model adopts following technical scheme:
A kind of eccentric boosting type roller picker, comprise motor, sieve axle, sieve, axle sleeve and eccentric adjuster, multiple sieve axle is spaced and parallel, and the stepped setting of successively decreasing gradually from high to low, one end of described multiple sieve axle is equipped with the motor be fixedly connected with by shaft coupling, sieve axle near shaft coupling place is equipped with linkage gear, linkage gear on adjacent sieve axle is and engages each other setting, multiple excentric sleeve is interval with at the middle part of sieve axle, the periphery of axle sleeve is equipped with sieve, angle on each sieve axle between adjacent sieve is identical setting with the eccentric angle of sieve axle, eccentric adjuster is equipped with at the other end of multiple sieve axle, described eccentric adjuster comprises dial and hand turning, described hand turning is arranged on the end of the other end of sieve axle, dial is arranged on the periphery of the sieve axle at hand turning place.
Described eccentric boosting type roller picker, the periphery of axle sleeve is equipped with along the circumferential direction uniform setting and the multiple sieves tilted to same direction, described sieve is hyperbolic spiral line style, it comprises non-working surface and working face, described non-working surface is that two concave and convex surfaces are smoothly connected and form, described working face is hyperbolic spiral line style, forms sieve aperture between adjacent sieve.
Described eccentric boosting type roller picker, the sieve axle near linkage gear place is provided with bearing B, and described bearing B is arranged on fixed pedestal by bearing block.
Described eccentric boosting type roller picker, the sieve axle near dial place is provided with bearing A, and described bearing A is arranged on fixed pedestal by bearing block.
Described eccentric boosting type roller picker, the sieve on adjacent sieve axle is for being crisscross arranged.
Described eccentric boosting type roller picker, the material of described sieve axle is 42CrMo, and the material of sieve is NM460 type high-strength abrasion-proof steel.
Described eccentric boosting type roller picker, described motor is variable-frequency motor.
Owing to have employed technique scheme, the utility model has following beneficial effect:
1, the utility model is by being designed to hyperbolic spiral line style by the working face of sieve, be easy to bulk solid to dish out with the direction at roller picker planar central angle at 45 °, make cast farthest, preferably resolve the velocity magnitude of projection and the radius relationship in impelling face, thus improve screening efficiency; The working face of sieve and non-working surface are smooth surface, when lumped coal falls into the gap on different sieve axle between adjacent two sieves, under the turning effort of self gravitation and sieve, lumped coal is more easily by sieve, smooth hyperbolic spiral line style working face makes the soft impurities be wrapped in sieve more easily be eliminated, and makes the rotational resistance of sieve less;
2, the utility model is by being set to excentric sleeve by axle sleeve, described excentric sleeve is due to the effect of eccentric motion, not only hyperbolic spiral line style sieve plays booster action to the coal driven forward on roller picker working face, accelerate coal speed forward on roller picker compass screen surface, decrease the time of staying of coal on compass screen surface, improve screening efficiency; Reduce the clamping stagnation of coal between the axle sleeve and sieve of roller picker simultaneously;
3, the utility model is by adopting variable-frequency motor, make roller picker all sieve axles can synchronous averaging, running or stopping, possibility decrease between sieve and sieve axle, rubbing between sieve and sieve, the safety of guarantee roller picker equipment;
4, the utility model is by being adopted as 42CrMo by the material of sieve axle, the material of sieve is adopted as NM460 type high-strength abrasion-proof steel, not only increase rigidity, toughness, wearability and can processing type, and when meeting performance, the thickness of sieve can be made thinner, increase effectively sieving area, thus improve screening efficiency.
5, the utility model is by arranging eccentric adjuster in one end of sieve axle, by the change of linkage gear operating position and off-position, the eccentric angle of sieve with sieve axle is adjusted, sieve is determined according to dial with the eccentric angle angle adjustment of sieve axle, the adjustment of this eccentric angle changes the size of roller picker by lumped coal screening area, can realize 2 functions after adjustment:
due to the change of the sieving area of eccentric screen axle sleeve, sieve etc., the operation of roller picker can be made to adapt to the change of coal,
when eccentric adjusting is to extreme position, adjacent sieve eccentric shaft angle differs 180 °, and adjacent sieve spacing is minimum, and starter motor roller picker starts running, and just automatically can remove and be bonded in sieve and sieve between centers, or the coal between sieve, and the soft impurities be wound around.
[accompanying drawing explanation]
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the utility model top view;
In figure: 1, coal handling system; 2, eccentric screen axle sleeve; 3, non-working surface; 4, working face; 5, axle is sieved; 6, sieve; 7, towards disintegrating apparatus; 8, dial; 9, hand turning; 10, bearing A; 11, bearing B; 12, motor; 13, shaft coupling; 14, linkage gear.
[detailed description of the invention]
By explanation the utility model that the following examples can be detailed, open the purpose of this utility model is intended to protect all technological improvements within the scope of the utility model.
Eccentric boosting type roller picker by reference to the accompanying drawings described in 1, comprise motor 12, sieve axle 5, sieve 6, axle sleeve 2 and eccentric adjuster, multiple sieve axle 5 is spaced and parallel, and the stepped setting of successively decreasing gradually from high to low, one end of described multiple sieve axle 5 is equipped with the motor 12 be fixedly connected with by shaft coupling 13, sieve axle 5 near shaft coupling 13 place is equipped with linkage gear 14, linkage gear 14 on adjacent sieve axle 5 is and engages each other setting, multiple excentric sleeve 2 is interval with at the middle part of sieve axle 5, the periphery of axle sleeve 2 is equipped with sieve 6, angle on each sieve axle 5 between adjacent sieve is identical setting with the eccentric angle of sieve axle, eccentric adjuster is equipped with at the other end of multiple sieve axle 5, described eccentric adjuster comprises dial 8 and hand turning 9, described hand turning 9 is arranged on the end of the other end of sieve axle 5, dial 8 is arranged on the periphery of the sieve axle 5 at hand turning 9 place.
Described eccentric boosting type roller picker, the periphery of axle sleeve 2 is equipped with along the circumferential direction uniform setting and the multiple sieves 6 tilted to same direction, described sieve 6 hyperbolic spiral line style, it comprises non-working surface 3 and working face 4, described non-working surface 3 is that two concave and convex surfaces are smoothly connected and form, described working face 4, in hyperbolic spiral line style, forms sieve aperture between adjacent sieve 6.
Described eccentric boosting type roller picker, the sieve axle 5 near linkage gear 14 place is provided with bearing B11, and described bearing B11 is arranged on fixed pedestal by bearing block.
Described eccentric boosting type roller picker, the sieve axle 5 near dial 8 place is provided with bearing A10, and described bearing A10 is arranged on fixed pedestal by bearing block.
Described eccentric boosting type roller picker, the sieve 6 on adjacent sieve axle 5 is for being crisscross arranged.
Described eccentric boosting type roller picker, the material of described sieve axle 5 is 42CrMo, and the material of sieve 6 is NM460 type high-strength abrasion-proof steel.
Described eccentric boosting type roller picker, described motor 12 is variable-frequency motor.
Implement eccentric boosting type roller picker described in the utility model, operationally, by coal handling system 1, coal is delivered on the working face of roller picker, driven the driving of sieve axle 5 by shaft coupling 13 by motor, adjacent linkage gear 14 engages each other, the work that controlling run or fortune stops is unified by frequency converter, when having bulk solid or soft impurities to cause clamping stagnation on the screening face of roller picker, linkage gear 14 can make sieve axle 5 positive action mutually, ensure that the eccentric angle of each sieve axle 5 sieve 6 is constant, prevent from sieving the collision between axle 5 and sieve 6, enable roller picker safe operation, by axle sleeve 2 is set to excentric sleeve, the axle sleeve 2 be arranged on sieve axle 5 is all eccentric to same direction, sieve axle 5 on linkage gear 14 can sieve axle 5 move axially to off-position, after linkage gear 14 moves to off-position, after the eccentric angle of sieve 6 and sieve axle 5 on axle 5 is sieved in adjustment, again interlock tooth 14 is taken turns and return to operating position, the adjustment of this eccentric angle changes the size of former sieving area, due to excentric sleeve 2, the change of sieve 6 sieving area, the operation of roller picker can be made to adapt to the change of coal, limit eccentric position can reach automatically to remove and be bonded between sieve 6 and sieve axle 5, or the coal between sieve 6, and the soft impurities be wound around, as shown in Figure 1, in figure, arrow A is the direction of rotation of sieve axle 5, arrow B is the flow direction of coal, excentric sleeve 2 on sieve axle 5 and then rotates together, when coal sieves on roller picker, the qualified coal of granularity can fall along sieve aperture under the effect of self gravitation and sieve axle 5 revolving force, and the direction that the coal that granularity transfinites continues to advance to screened coal under the impelling effect of sieve 6 is moved, until lead to disintegrating apparatus 7, at the other end of sieve axle 5, eccentric adjuster is set, manually jiggering 9 adjusts the eccentric angle of sieve 6 and sieve axle 5 on different sieve axle 5 to predetermined angular, the adjustment of this eccentric angle changes the size of former sieving area, the change of sieving area can make the operation of roller picker adapt to the change of coal when roller picker works, limit eccentric position automatically can be removed and be bonded in sieve and sieve between centers, or the coal between sieve, and the soft impurities be wound around.
The non-detailed portion of the utility model is prior art.
The embodiment selected in this article in order to open goal of the invention of the present utility model, currently thinks to be suitable for, but it is to be understood that the utility model is intended to comprise all changes belonging to the embodiment within the scope of this design and utility model and improvement.
Claims (7)
1. an eccentric boosting type roller picker, comprise motor (12), sieve axle (5), sieve (6), axle sleeve (2) and eccentric adjuster, it is characterized in that: multiple sieve axle (5) is for spaced and parallel, and the stepped setting of successively decreasing gradually from high to low, one end of described multiple sieve axle (5) is equipped with the motor (12) be fixedly connected with by shaft coupling (13), sieve axle (5) near shaft coupling (13) place is equipped with linkage gear (14), linkage gear (14) on adjacent sieve axle (5) is and engages each other setting, multiple excentric sleeve (2) is interval with at the middle part of sieve axle (5), the periphery of axle sleeve (2) is equipped with sieve (6), angle between the upper adjacent sieve of each sieve axle (5) is identical setting with the eccentric angle of sieve axle, eccentric adjuster is equipped with at the other end of multiple sieve axle (5), described eccentric adjuster comprises dial (8) and hand turning (9), described hand turning (9) is arranged on the end of the other end of sieve axle (5), dial (8) is arranged on the periphery of the sieve axle (5) at hand turning (9) place.
2. eccentric boosting type roller picker according to claim 1, it is characterized in that: on the periphery of axle sleeve (2), be equipped with along the circumferential direction uniform setting and the multiple sieves (6) tilted to same direction, described sieve (6) is in hyperbolic spiral line style, it comprises non-working surface (3) and working face (4), described non-working surface (3) is that two concave and convex surfaces are smoothly connected and form, described working face (4), in hyperbolic spiral line style, forms sieve aperture between adjacent sieve (6).
3. eccentric boosting type roller picker according to claim 1, is characterized in that: on the sieve axle (5) near linkage gear (14) place, be provided with bearing B(11), described bearing B(11) be arranged on fixed pedestal by bearing block.
4. eccentric boosting type roller picker according to claim 1, is characterized in that: on the sieve axle (5) near dial (8) place, be provided with bearing A(10), described bearing A(10) be arranged on fixed pedestal by bearing block.
5. eccentric boosting type roller picker according to claim 1, is characterized in that: the sieve (6) on adjacent sieve axle (5) is for being crisscross arranged.
6. eccentric boosting type roller picker according to claim 1, is characterized in that: the material of described sieve axle (5) is 42CrMo, and the material of sieve (6) is NM460 type high-strength abrasion-proof steel.
7. eccentric boosting type roller picker according to claim 1, is characterized in that: described motor (12) is variable-frequency motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520520175.5U CN204817127U (en) | 2015-07-17 | 2015-07-17 | Eccentric boosting type roller picker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520520175.5U CN204817127U (en) | 2015-07-17 | 2015-07-17 | Eccentric boosting type roller picker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204817127U true CN204817127U (en) | 2015-12-02 |
Family
ID=54674770
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520520175.5U Expired - Fee Related CN204817127U (en) | 2015-07-17 | 2015-07-17 | Eccentric boosting type roller picker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204817127U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105057193A (en) * | 2015-07-17 | 2015-11-18 | 洛阳华晨重工机械有限公司 | Eccentric boost type roll screen |
| CN106076802A (en) * | 2016-05-31 | 2016-11-09 | 中国农业大学 | A kind of cauline leaf separation equipment and method |
| CN108246421A (en) * | 2018-04-23 | 2018-07-06 | 中山广毅自动化设备有限公司 | A kind of disintegrating apparatus |
-
2015
- 2015-07-17 CN CN201520520175.5U patent/CN204817127U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105057193A (en) * | 2015-07-17 | 2015-11-18 | 洛阳华晨重工机械有限公司 | Eccentric boost type roll screen |
| CN106076802A (en) * | 2016-05-31 | 2016-11-09 | 中国农业大学 | A kind of cauline leaf separation equipment and method |
| CN106076802B (en) * | 2016-05-31 | 2018-12-11 | 中国农业大学 | A kind of cauline leaf separation equipment and method |
| CN108246421A (en) * | 2018-04-23 | 2018-07-06 | 中山广毅自动化设备有限公司 | A kind of disintegrating apparatus |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151202 Termination date: 20160717 |