CN204692369U - A kind of semi-autogenous mill coils transmission device slowly - Google Patents
A kind of semi-autogenous mill coils transmission device slowly Download PDFInfo
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- CN204692369U CN204692369U CN201520380790.0U CN201520380790U CN204692369U CN 204692369 U CN204692369 U CN 204692369U CN 201520380790 U CN201520380790 U CN 201520380790U CN 204692369 U CN204692369 U CN 204692369U
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Abstract
The utility model discloses a kind of semi-autogenous mill and coils transmission device slowly, comprise motor, coupling, break, retarder, motor is connected with retarder by coupling, coupling comprises the first axle, spring column pin, end cap, second axle, first axle outer rim is provided with several flange holes, second axle is provided with corresponding through hole coaxial with flange hole, second axle one end is provided with the counterbore that diameter of bore is not less than flange hole external diameter, first axle is connected by the spring column pin be located in flange hole and through hole with the second axle, spring column pin two ends are provided with and the first axle, the end cap that second axle is fixedly connected with, the brake calipers of break and the second axle major diameter fit.The utility model is with the innovation structure of the first axle of coupling and the second axle, when reducing part on year-on-year basis and improve reliability with brake, thus realize the braking of semi-autogenous mill cylindrical shell and stop with motor synchronous, be convenient to maintenance and the inspection of grinding machine process ideal position, have the advantages that compact structure, reliability are high, easy to maintenance.
Description
Technical field
The utility model belongs to semi-autogenous mill drive technology field, and the semi-autogenous mill relating to a kind of compact structure, reliability high, easy to maintenance coils transmission device slowly.
Background technique
Minimizing day by day along with mineral resources content and the dependence to metal more and more seriously, just cause the increase in demand of grinding attachment indirectly.Tradition grinding flowsheet technique is through long time integration and production practices get, and its production line long flow path, needs equipment many, metal and energy consumption large etc.Semi-Autogenous flow process is then little in the convenient investment of its flow process easy configuration, more and more finds broad application.The kind of drive of semi-autogenous mill has two kinds: one is that another kind transmits power by gearless ring motor to ore mill by coupling, retarder, small gear, gearwheel device to ore mill cylindrical shell transmission power.Due to first kind of way technology maturation, easy to maintenance and find broad application.But existing semi-autogenous mill coils transmission device slowly and generally do not adopt braking device, due to the effect of inertia when semi-autogenous mill is shut down, be not be positioned at certain position with the stopping of motor, be not easy to maintenance or check cylindrical shell.Although also there is part to add braking device, but it changes on the coupling of prior art or increases brake disc or Brake drum, although can brake request be met, but the brake disc formed after increasing or changing or Brake drum not only make, and coupler structure is complicated, volume is compact not, safeguard inconvenience, and adds the Mechanical Reliability that part also can reduce coupling.
Elastic dowel pin shaft coupling allows larger axial float by elastic element, has bumper and absorbing shock performance and certain axle offset compensation ability, is therefore widely used the transmission system in various coaxial line.Because this kind of coupler structure is simple, transmitting torque is reliable, but it does not have braking function, can not shaft carry out braking or locked operation.In prior art, two half-couplings generally adopt the mode of punching built-in elastic element, the axle that two half-couplings connect is due to the factor such as foozle or alignment error, often be difficult to accomplish real coaxial, therefore the outer fenestra of two half-couplings is difficult to coaxially, imposing braking to coupling cylindrical can only for wherein half, thus increasing elastic element is sheared stressed, easily accelerates the inefficacy of elastic element; And braking force is imposed simultaneously to two half-coupling cylindricals, due to two half-coupling cylindrical disalignments, then during braking, vibrations are comparatively large, and break is shorter for working life, and braking effect is poor.No matter two half-couplings or inside and outside ring type elastic dowel pin shaft coupling, its two halves inner ring decentraction and the shearing force putting on elastic element concentrates on two halves inner ring joining portion in use, cause elastic element shearing force stress to be concentrated, thus reduce reliability and the life-span of elastic element.
Model utility content
The purpose of this utility model is to provide a kind of compact structure, reliability semi-autogenous mill high, easy to maintenance to coil transmission device slowly.
The purpose of this utility model realizes like this, comprise motor, coupling, break, retarder, described motor is connected with retarder by coupling, described coupling comprises the first axle, spring column pin, end cap, second axle, described first axle outer rim is provided with several flange holes, described second axle is provided with corresponding through hole coaxial with flange hole, described second axle one end is provided with the counterbore that diameter of bore is not less than flange hole external diameter, described first axle is connected by the spring column pin be arranged in flange hole and through hole with the second axle, described spring column pin two ends are provided with and the first axle, the end cap that second axle is fixedly connected with, the brake calipers of described break and the second axle major diameter fit.
The utility model arranges through hole and counterbore by the second axle of coupling, flange hole in counterbore outer rim and counterbore process simultaneously, after assembling, the flange hole of the first axle is sunk in the counterbore of the second axle, spring column pin carries out moving-limiting by counterbore internal diameter and flange hole, because the flange hole in counterbore outer rim is coaxial with through hole, therefore, it is possible to put on the shearing force of spring column pin when dispersion the first axle and the second axle decentraction, thus improve reliability and the life-span of spring column pin, reduce coupling operation and maintenance cost; The outer rim of the inside and outside independent movable outer ring of ring type elastic dowel pin shaft coupling or the two halves formula structure of hub-type coupling in prior art is replaced to be not easy to realize a difficult problem for cylindrical braking with the counterbore outer rim of the second axle, decrease number of spare parts compared to inside and outside ring type elastic dowel pin shaft coupling, improve the reliability of coupling; And compared to changing or increase brake disc or Brake drum on the coupling of prior art, the utility model passes through innovation structure and the brake of the first axle and the second axle, thus realize the braking of semi-autogenous mill cylindrical shell and stop with motor synchronous, be convenient to maintenance and the inspection of grinding machine process ideal position, compare prior art structure simpler and compact, safeguard simple.Therefore, the utility model has compact structure, reliability feature high, easy to maintenance.
Accompanying drawing explanation
Fig. 1 is the utility model assembling principle schematic;
Fig. 2 is coupler structure sectional view
Fig. 3 is the left view of Fig. 2;
Fig. 4 is the first axle construction schematic diagram of Fig. 2;
Fig. 5 is the left view of Fig. 4;
Fig. 6 is the second axle construction schematic diagram of Fig. 2;
Fig. 7 is the left view of Fig. 6;
Fig. 8 is the attachment portion structural representation of rearmounted coupling;
In figure: 1-motor, 2-coupling, 21-first axle, 21A-flange hole, 21B-screw, 22-spring column pin, 23-end cap, 23A-peep hole, 24-second axle, 24A-through hole, 24B-counterbore, 24C-screw, 25-screw, 26-packing ring, 3-break, 4-retarder, the rearmounted coupling of 5-, 6-pinion drive portion.
Embodiment
Be further described the utility model below in conjunction with accompanying drawing, but must not be limited the utility model by any way, any change done based on the utility model training centre or improvement, all belong to protection domain of the present utility model.
As shown in Fig. 1 to 7, the utility model comprises motor 1, coupling 2, break 3, retarder 4, described motor 1 is connected with retarder 4 by coupling 2, described coupling 2 comprises the first axle 21, spring column pin 22, end cap 23, second axle 24, described first axle 21 outer rim is provided with several flange holes 21A, described second axle 24 is provided with corresponding through hole 24A coaxial with flange hole 21A, described second axle 24 one end is provided with the counterbore 24B that diameter of bore is not less than flange hole 21A external diameter, described first axle 21 is connected by the spring column pin 22 be arranged in flange hole 21A and through hole 24A with the second axle 24, described spring column pin 22 two ends are provided with and the first axle 21, the end cap 23 that second axle 24 is fixedly connected with, the brake calipers of described break 3 and the second axle 24 major diameter fit.
As shown in Figure 8, the utility model also comprises rearmounted coupling 5, pinion drive portion 6, connection reducer 4 output shaft and pinion drive portion 6 input shaft before and after described rearmounted coupling 5, described rearmounted coupling 5 adopts two-way clutch to be in transmission connection with pinion drive portion 6 input shaft.
Described break 3 is electromagnetic brake, and described break 3 guide line is in parallel with motor 1 power line.
The described counterbore 24B degree of depth is not less than flange hole 21A length.
Described flange hole 21A runs through the first axle 21, and/or through hole 24A runs through the second axle 24.
End cap 23 external diameter of described first axle 21 is not more than counterbore 24B internal diameter and stretches into counterbore 42 after being connected with the second axle 24.
The through hole arranged outside of counterbore 24B near bottom of described second axle 24 has the peep hole with axis being parallel.
Described end cap 23 offers peep hole 23A with spring column pin 22 corresponding part, and the visual range that described peep hole 23A is formed covers nylon pin edge.
Described spring column pin 22 is nylon pin or cylindrical metal core outsourcing resilient nonmetallic material pin.
Described resilient nonmetallic material is rubber, modified silica-gel.
utility model works principle and working procedure:
The utility model arranges through hole and counterbore by the second axle of coupling, flange hole in counterbore outer rim and counterbore process simultaneously, after assembling, the flange hole of the first axle is sunk in the counterbore of the second axle, spring column pin carries out moving-limiting by counterbore internal diameter and flange hole, because the flange hole in counterbore outer rim is coaxial with through hole, therefore, it is possible to put on the shearing force of spring column pin when dispersion the first axle and the second axle decentraction, thus improve reliability and the life-span of spring column pin, reduce coupling operation and maintenance cost; The outer rim of the inside and outside independent movable outer ring of ring type elastic dowel pin shaft coupling or the two halves formula structure of hub-type coupling in prior art is replaced to be not easy to realize a difficult problem for cylindrical braking with the counterbore outer rim of the second axle, decrease number of spare parts compared to inside and outside ring type elastic dowel pin shaft coupling, improve the reliability of coupling; And compared to changing or increase brake disc or Brake drum on the coupling of prior art, the utility model passes through innovation structure and the brake of the first axle and the second axle, thus realize the braking of semi-autogenous mill cylindrical shell and stop with motor synchronous, be convenient to maintenance and the inspection of grinding machine process ideal position, compare prior art structure simpler and compact, safeguard simple.Adopt Bidirectional driving to be connected with pinion drive portion rearmounted coupling further, in the forward and reverse rotation of maintenance slow motion autogenous tumbling mill process implementation autogenous tumbling mill, increase work efficiency and Security.Further break is adopted electromagnetic brake structure, and guide line electromagnetic type being stated break is in parallel with the power line of motor, just realizes the braking of semi-autogenous mill cylindrical shell by control motor power and stop with motor synchronous.In addition, cooperation end cap and the counterbore minor diameter fit of rear first axle being assembled, counterbore outer rim stressed formation support beam structure when braking can be made, thus the stress reducing counterbore outer rim being concentrated and strengthening its rigidity, improve coupling reliability and working life; Preferably the counterbore of the second axle outer rim near bottom arrange with the peep hole of parallel to an axis or at one end and the end cap at two ends offer peep hole, the damaged condition of spring column pin can be checked at any time, both disassembling when spring column pin checks had been simplified, be convenient to again the hidden danger of Timeliness coverage spring column pin breakage, thus be also conducive to the reliability improving coupling; Preferred spring column pin is nylon pin, or be bag cylindrical metal core in the resilient nonmetallic material such as rubber, modified silica-gel, in resilient nonmetallic material, the metal-cored conventional nylon pin that not only solves of bag uses the difficult problem that noise is large, and metal-cored being conducive to improve its shear resistance, coupling reliability and working life can be provided.Therefore, the utility model has compact structure, reliability feature high, easy to maintenance.
As shown in Figure 1, motor 1 obtains electric startup, simultaneously the electromagnetic coil of break 3 obtains and electricly to be unclamped by the brake calipers clamping down on the second axle 24 external diameter, motor 1 is connected with the second axle 24 of coupling 2, moment of torsion to be passed to shearing force another part that the flange hole 21A of the first axle 21 and counterbore 24B Inner edge limit with a part for through hole 24A Elastic pin 22 by the second axle 24, thus drive the first axle 21 to rotate, and the first axle 21 drives it to rotate by being connected with retarder 4, retarder 4 output shaft drives it to rotate by being connected with rearmounted coupling 5 and pinion drive portion 6, pinion drive portion 6 drives semi-autogenous mill cylindrical shell to rotate by engaging with gear ring again.When autogenous tumbling mill maintenance or inspection cylindrical shell are shut down; by crawl motor 1; slow dish motor 1 stop moment; the electromagnetic coil dead electricity of electromagnetic brake 3; the cylindrical of the second axle 24 of coupling 2 is clamped down on by its brake calipers, and be rigidly connected because coupling 2 to cylindrical shell is, therefore cylindrical shell also synchronously stops thereupon; just cylindrical shell can be rotated to ideal position through repeatedly crawl motor 1, thus be convenient to maintenance or the inspection of cylindrical shell.
Claims (9)
1. a semi-autogenous mill coils transmission device slowly, it is characterized in that comprising motor (1), coupling (2), break (3), retarder (4), described motor (1) is connected with retarder (4) by coupling (2), described coupling (2) comprises the first axle (21), spring column pin (22), end cap (23), second axle (24), described first axle (21) outer rim is provided with several flange holes (21A), described second axle (24) is provided with corresponding through hole (24A) coaxial with flange hole (21A), described second axle (24) one end is provided with the counterbore (24B) that diameter of bore is not less than flange hole (21A) external diameter, described first axle (21) is connected by the spring column pin (22) be arranged in flange hole (21A) and through hole (24A) with the second axle (24), described spring column pin (22) two ends are provided with and the first axle (21), the end cap (23) that second axle (24) is fixedly connected with, the brake calipers of described break (3) and the second axle (24) major diameter fit.
2. semi-autogenous mill according to claim 1 coils transmission device slowly, characterized by further comprising rearmounted coupling (5), pinion drive portion (6), connection reducer (4) output shaft and pinion drive portion (6) input shaft before and after described rearmounted coupling (5), described rearmounted coupling (5) and pinion drive portion (6) input shaft adopt two-way clutch to be in transmission connection.
3. semi-autogenous mill according to claim 1 coils transmission device slowly, and it is characterized in that described break (3) is electromagnetic brake, described break (3) guide line is in parallel with motor (1) power line.
4. semi-autogenous mill according to claim 1 coils transmission device slowly, it is characterized in that described counterbore (24B) degree of depth is not less than flange hole (21A) length.
5. semi-autogenous mill according to claim 1 coils transmission device slowly, it is characterized in that described flange hole (21A) runs through the first axle (21), and/or through hole (24A) runs through the second axle (24).
6. semi-autogenous mill according to claim 1 coils transmission device slowly, it is characterized in that end cap (23) external diameter of described first axle (21) is not more than counterbore (24B) internal diameter and stretches into counterbore (42) after being connected with the second axle (24).
7. semi-autogenous mill according to claim 1 coils transmission device slowly, it is characterized in that the through hole arranged outside of the counterbore (24B) of described second axle (24) near bottom has the peep hole with axis being parallel.
8. semi-autogenous mill according to claim 1 coils transmission device slowly, and it is characterized in that described end cap (23) and spring column pin (22) corresponding part offer peep hole (23A), the visual range that described peep hole (23A) is formed covers nylon pin edge.
9. semi-autogenous mill according to claim 1 coils transmission device slowly, it is characterized in that described spring column pin (22) is for nylon pin or cylindrical metal core outsourcing resilient nonmetallic material pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520380790.0U CN204692369U (en) | 2015-06-05 | 2015-06-05 | A kind of semi-autogenous mill coils transmission device slowly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520380790.0U CN204692369U (en) | 2015-06-05 | 2015-06-05 | A kind of semi-autogenous mill coils transmission device slowly |
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| Publication Number | Publication Date |
|---|---|
| CN204692369U true CN204692369U (en) | 2015-10-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520380790.0U Active CN204692369U (en) | 2015-06-05 | 2015-06-05 | A kind of semi-autogenous mill coils transmission device slowly |
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| CN (1) | CN204692369U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107420445A (en) * | 2016-05-24 | 2017-12-01 | 襄阳博亚精工装备股份有限公司 | Cage shaft coupling with electromagnetic brake |
-
2015
- 2015-06-05 CN CN201520380790.0U patent/CN204692369U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107420445A (en) * | 2016-05-24 | 2017-12-01 | 襄阳博亚精工装备股份有限公司 | Cage shaft coupling with electromagnetic brake |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |