CN104022594A - Speed regulating device for pulverized coal pyrolysis kiln and speed regulating method thereof - Google Patents
Speed regulating device for pulverized coal pyrolysis kiln and speed regulating method thereof Download PDFInfo
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- CN104022594A CN104022594A CN201410226398.0A CN201410226398A CN104022594A CN 104022594 A CN104022594 A CN 104022594A CN 201410226398 A CN201410226398 A CN 201410226398A CN 104022594 A CN104022594 A CN 104022594A
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- shaft coupling
- gear
- brake wheel
- wheel shaft
- band brake
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Abstract
The invention discloses a speed regulating device for a pulverized coal pyrolysis kiln and a speed regulating method thereof. The speed regulating device comprises the components of: a variable-frequency small motor, a large motor, a first belt brake wheel coupling which is connected with the large motor through shaft connection, a second belt brake wheel coupling which is connected with the variable-frequency small motor through shaft connection, a differential gear box, a coupling and an output pinion. The differential gear box is connected with the first belt brake wheel coupling, the second belt brake wheel coupling and the coupling respectively. Furthermore the coupling is connected with the output pinion through shaft connection. The speed regulating device realizes speed regulation in a large power range through a small-power frequency converter. Furthermore device cost is reduced and cost performance of the speed regulating device is improved.
Description
Technical field
The invention belongs to a kind of speed regulating device and speed regulating method thereof, for adjusting the velocity of rotation of pulverized coal pyrolysis kiln body, be specifically related to a kind of pulverized coal pyrolysis kiln speed regulating device and speed regulating method, belong to fine coal deep processing field.
Background technology
Fine coal is in progress of coal mining, certainly leads to and product that growing amount is more while adopting the operation of modernization fully-mechanized mining equipment.Pulverized coal pyrolysis kiln is a kind of device of realizing the utilization of fine coal comprehensive high-efficiency and increasing its value.Because the natural cause such as quality, the ambient temperature difference of various places coal is larger, what therefore the rate request of pyrolysis kiln can be within the specific limits is adjustable, to facilitate the debugging of post facility.Traditional speed regulating method is to adopt frequency control motor to drive reductor, but because big-power transducer involves great expense, its corresponding control system complexity, increases the cost of fine coal deep processing.
Summary of the invention
For these reasons, the object of this invention is to provide a kind of novel speed regulating device and speed regulating method that is applicable to pulverized coal pyrolysis kiln, realize the speed governing in high-power scope by Small-power Inverter, reduce the cost of equipment, improve the cost performance of equipment.
Technical scheme of the present invention is: speed regulating device and speed regulating method for a kind of pulverized coal pyrolysis kiln, comprise frequency conversion small machine, large motor, the band brake wheel shaft coupling one with motor shaft is connected greatly, band brake wheel shaft coupling two, differential case, shaft coupling and the output pinion being connected with frequency conversion small machine axle, described differential case is connected with band brake wheel shaft coupling one, band brake wheel shaft coupling two and shaft coupling axle respectively, and shaft coupling is connected with output pinion axle;
Described differential case includes a cylindrical gear mechanism and a planetary mechanism, this cylindrical gear mechanism includes secondary cylindrical gear pair, roller gear two and primary cylinder gear pair, described secondary cylindrical gear pair is engaged by roller gear one and roller gear four, primary cylinder gear pair is engaged with roller gear five by roller gear three, roller gear one is connected with band brake wheel shaft coupling two axles, and roller gear three is connected with band brake wheel shaft coupling one axle; Described planetary mechanism comprises planet carrier, sun gear and ring gear, gear on planet carrier engages with ring gear and sun gear respectively, described roller gear four is connected with roller gear two axles, and roller gear five is connected with sun wheel shaft, and this planet carrier is connected with shaft coupling axle.
Above-mentioned pulverized coal pyrolysis kiln is to realize like this with the speed regulating method of speed regulating device, when speed governing, connected band brake wheel shaft coupling two band-type brakes of frequency conversion small machine declutch, by transmission of power to ring gear, the connected band brake wheel shaft coupling one of large motor declutches, transmission of power, to sun gear, is finally realized to kiln body rotating speed by the rotating speed of adjustment frequency conversion small machine adjustable.
While driving at a slow speed, driven by frequency conversion small machine, when speed governing, jointly driven by frequency conversion small machine and large motor, realize the speed governing in high-power scope by Small-power Inverter;
While driving at a slow speed, band brake wheel shaft coupling one brake sticking brake that large motor is connected, the connected band brake wheel shaft coupling two of frequency conversion small machine declutches, and drives secondary cylindrical gear pair, be delivered to planet carrier via planetary mechanism ring gear, be finally sent to kiln body by output pinion;
When work, if do not needed speed governing, band brake wheel shaft coupling two brake sticking brakes that frequency conversion small machine is connected, the connected band brake wheel shaft coupling one of large motor declutches, drive primary cylinder gear pair, be delivered to output planetary frame via planetary mechanism sun gear, finally by output pinion, power be sent to kiln body.
The invention has the beneficial effects as follows:
1, while having overcome the speed governing of prior art heavy-duty motor, consume the shortcoming large, cost is high, by low-power machine frequency control, the rotating speed of realizing pyrolysis kiln kiln body is adjustable, has realized the cost that reduces equipment, increases economic benefit.
2, the present invention is reasonable in design, compact conformation, and speed governing facilitates many with respect to prior art, also saved energy consumption simultaneously.
Brief description of the drawings
Below in conjunction with embodiment accompanying drawing, the present invention will be further described, but not as a limitation of the invention:
Fig. 1 is structural representation of the present invention.
Fig. 2 is the structural representation of differential case inside.
Description of reference numerals: 1, frequency conversion small machine; 2, band brake wheel shaft coupling two; 3, differential case; 4, shaft coupling; 5, gear wheel; 6, output pinion; 7, band brake wheel shaft coupling one; 8, large motor; 9, roller gear one; 10, roller gear two; 11, sun gear; 12, planet carrier; 13, ring gear; 14, roller gear three; 15, primary cylinder gear pair; 16, secondary cylindrical gear pair; 17, roller gear four; 18, roller gear five.
Embodiment
In order to realize the speed governing in high-power scope, the cost of reduction equipment, the cost performance of raising equipment, the invention provides a kind of pulverized coal pyrolysis kiln speed regulating device as depicted in figs. 1 and 2, comprise frequency conversion small machine 1, large motor 8, the band brake wheel shaft coupling 1 being connected with large motor 8 axles, the band brake wheel shaft coupling 22 being connected with frequency conversion small machine 1 axle, differential case 3, shaft coupling 4 and output pinion 6, described differential case 3 is taken turns shaft coupling 1 with band brake respectively, band brake wheel shaft coupling 22 is connected with shaft coupling 4 axles, and shaft coupling 4 is connected with output pinion 6 axles, output pinion 6 engages with gear wheel 5,
Described differential case 3 includes a cylindrical gear mechanism and a planetary mechanism, this cylindrical gear mechanism includes secondary cylindrical gear pair 16, roller gear 2 10 and primary cylinder gear pair 14, described secondary cylindrical gear pair 16 is by roller gear 1 and roller gear 4 17 engagements, primary cylinder gear pair 15 is engaged with roller gear 5 18 by roller gear 3 14, roller gear 1 is connected with band brake wheel shaft coupling 22 axles, and roller gear 3 14 is connected with band brake wheel shaft coupling one 7 axles; And this planetary mechanism comprises planet carrier 12, sun gear 11 and ring gear 13, gear on planet carrier 12 engages with ring gear 13 and sun gear 11 respectively, described roller gear 4 17 is connected with roller gear 2 10 axles, roller gear 5 18 is connected with sun gear 11 axles, and this planet carrier 12 is connected with shaft coupling 4 axles.
Compact conformation of the present invention, designs frequency conversion small machine interior, and the speed of being convenient to realize output pinion is adjustable.Frequency conversion small machine 1 by band brake take turns shaft coupling 22 by transmission of power to roller gear 1, after primary speed-down to roller gear 2 10, through double reduction to ring gear 13; Large motor 8 by band brake take turns shaft coupling 1 by transmission of power to roller gear 3 14, through primary speed-down to sun gear 11; Inputted through planetary mechanism output planetary frame 12 and outputted power to output pinion 6 by sun gear 11 and ring gear 13, output pinion 6 is delivered to kiln body by power by gear wheel 5 subsequently.Adjusting frequency conversion small machine 1 rotating speed by frequency conversion, can to realize output pinion 6 speed adjustable.
Above-mentioned pulverized coal pyrolysis kiln is to realize like this by the principle of speed regulating device, when speed governing, connected band brake wheel shaft coupling 22 band-type brakes of frequency conversion small machine 1 declutch, by transmission of power to ring gear 13, the connected band brake wheel shaft coupling 1 of large motor 8 declutches, transmission of power, to sun gear 11, is finally realized to kiln body rotating speed by the rotating speed of adjustment frequency conversion small machine 1 adjustable.
While driving at a slow speed, driven by frequency conversion small machine 1, when speed governing, jointly driven by frequency conversion small machine 1 and large motor 8, realize the speed governing in high-power scope by Small-power Inverter;
While driving at a slow speed, band brake wheel shaft coupling one 7 brake sticking brakes that large motor 8 is connected, the connected band brake wheel shaft coupling 22 of frequency conversion small machine 1 declutches, drive secondary cylindrical gear pair 16, be delivered to planet carrier 12 via planetary mechanism ring gear 13, be finally sent to kiln body by output pinion 6 through gear wheel 5;
When work, if do not needed speed governing, band brake wheel shaft coupling 22 brake sticking brakes that frequency conversion small machine 1 is connected, the connected band brake wheel shaft coupling 1 of large motor 8 declutches, drive primary cylinder gear pair 15, be delivered to output planetary frame 12 via planetary mechanism sun gear 11, finally by output pinion 6, power be sent to kiln body.In the time of needs speed governing, large and small motor is all worked, because small machine can speed governing, so pinion speed governing realizes by described method above.
More than exemplifying is only to illustrate of the present invention, does not form the restriction to protection scope of the present invention, within the every and same or analogous design of the present invention all belongs to protection scope of the present invention.
Claims (2)
1. pulverized coal pyrolysis kiln speed regulating device, comprise frequency conversion small machine (1), large motor (8), the band brake wheel shaft coupling one (7) with motor (8) axle is connected greatly, band brake wheel shaft coupling two (2), differential case (3), shaft coupling (4) and the output pinion (6) being connected with frequency conversion small machine (1) axle, it is characterized in that: described differential case (3) is connected with band brake wheel shaft coupling one (7), band brake wheel shaft coupling two (2) and shaft coupling (4) axle respectively, and shaft coupling (4) is connected with output pinion (6) axle;
Described differential case (3) includes a cylindrical gear mechanism and a planetary mechanism, this cylindrical gear mechanism includes secondary cylindrical gear pair (16), roller gear two (10) and primary cylinder gear pair (15), described secondary cylindrical gear pair (16) is by roller gear one (9) and roller gear four (17) engagements, primary cylinder gear pair (15) is engaged with roller gear five (18) by roller gear three (14), roller gear one (9) is connected with band brake wheel shaft coupling two (2) axles, roller gear three (14) is connected with band brake wheel shaft coupling one (7) axle,
Described planetary mechanism comprises planet carrier (12), sun gear (11) and ring gear (13), gear on planet carrier (12) engages with ring gear (13) and sun gear (11) respectively, described roller gear four (17) is connected with roller gear two (10) axles, roller gear five (18) is connected with sun gear (11) axle, and this planet carrier (12) is connected with shaft coupling (4) axle.
2. the speed regulating method of pulverized coal pyrolysis kiln use speed regulating device, it is characterized in that: when speed governing, connected band brake wheel shaft coupling two (2) band-type brakes of frequency conversion small machine (1) declutch, by transmission of power to ring gear (13), the connected band brake wheel shaft coupling one (7) of large motor (8) declutches, transmission of power, to sun gear (11), is finally realized to kiln body rotating speed by the rotating speed of adjustment frequency conversion small machine (1) adjustable;
While driving at a slow speed, driven by frequency conversion small machine (1), when speed governing, jointly driven by frequency conversion small machine (1) and large motor (8), realize the speed governing in high-power scope by Small-power Inverter;
While driving at a slow speed, band brake wheel shaft coupling one (7) brake sticking brake that large motor (8) is connected, the connected band brake wheel shaft coupling two (2) of frequency conversion small machine (1) declutches, drive secondary cylindrical gear pair (16), be delivered to planet carrier (12) via planetary mechanism ring gear (13), be finally sent to kiln body by output pinion (6);
When work, if do not needed speed governing, band brake wheel shaft coupling two (2) brake sticking brakes that frequency conversion small machine (1) is connected, the connected band brake wheel shaft coupling one (7) of large motor (8) declutches, drive primary cylinder gear pair (15), be delivered to output planetary frame (12) via planetary mechanism sun gear (11), finally by output pinion (6), power be sent to kiln body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410226398.0A CN104022594A (en) | 2014-05-27 | 2014-05-27 | Speed regulating device for pulverized coal pyrolysis kiln and speed regulating method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410226398.0A CN104022594A (en) | 2014-05-27 | 2014-05-27 | Speed regulating device for pulverized coal pyrolysis kiln and speed regulating method thereof |
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| CN104022594A true CN104022594A (en) | 2014-09-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410226398.0A Pending CN104022594A (en) | 2014-05-27 | 2014-05-27 | Speed regulating device for pulverized coal pyrolysis kiln and speed regulating method thereof |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0454530A1 (en) * | 1990-04-27 | 1991-10-30 | AVIAC Technologies | Electromechanical drive with emergency means |
| CN2163259Y (en) * | 1993-02-13 | 1994-04-27 | 马惠媛 | Fan and pump speed governor |
| CN2766071Y (en) * | 2004-11-16 | 2006-03-22 | 西安重型机械研究所 | Planet gear differential speed regulating apparatus |
| CN101398007A (en) * | 2008-11-07 | 2009-04-01 | 华北电力大学 | Energy-saving speed regulation method and device for high power fluid machinery |
| CN203933246U (en) * | 2014-05-27 | 2014-11-05 | 中国重型机械研究院股份公司 | A kind of pulverized coal pyrolysis kiln speed regulating device |
-
2014
- 2014-05-27 CN CN201410226398.0A patent/CN104022594A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0454530A1 (en) * | 1990-04-27 | 1991-10-30 | AVIAC Technologies | Electromechanical drive with emergency means |
| CN2163259Y (en) * | 1993-02-13 | 1994-04-27 | 马惠媛 | Fan and pump speed governor |
| CN2766071Y (en) * | 2004-11-16 | 2006-03-22 | 西安重型机械研究所 | Planet gear differential speed regulating apparatus |
| CN101398007A (en) * | 2008-11-07 | 2009-04-01 | 华北电力大学 | Energy-saving speed regulation method and device for high power fluid machinery |
| CN203933246U (en) * | 2014-05-27 | 2014-11-05 | 中国重型机械研究院股份公司 | A kind of pulverized coal pyrolysis kiln speed regulating device |
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Application publication date: 20140903 |