CN102537216B - Special mechanical soft start transmission for chain hauled machinery - Google Patents
Special mechanical soft start transmission for chain hauled machinery Download PDFInfo
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- CN102537216B CN102537216B CN201010602197.8A CN201010602197A CN102537216B CN 102537216 B CN102537216 B CN 102537216B CN 201010602197 A CN201010602197 A CN 201010602197A CN 102537216 B CN102537216 B CN 102537216B
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- differential planet
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Abstract
The invention provides a special mechanical soft start transmission for chain hauled machinery, which comprises an input shaft, an output shaft, a first differential motion planetary transmission mechanism, a second differential motion planetary transmission mechanism, a first brake and a second brake. The first brake is in transmission connection with a secondary output component of the first differential motion planetary transmission mechanism so as to selectively brake the secondary output component, and the second brake is in transmission connection with a secondary output component of the second differential motion planetary transmission mechanism so as to selectively brake the driven output component. As the special mechanical soft start transmission is provided with the two differential motion planetary transmission mechanisms and the two brakes, one or two differential motion planetary transmission mechanisms can be selectively controlled. The special mechanical soft start transmission is high in selectivity, more accurate in control and more reliable in brake.
Description
Technical field
The present invention relates to drive technology field, particularly relate to a kind of Special mechanical soft start transmission for chain hauled machinery.
Background technique
Soft start (or soft start) refers to that mechanical system also can progressively start reposefully or stop under the operating mode of heavy duty.Soft start transmission device refers to and is arranged between motor and mechanical load, for realizing the transmission device of soft start.When adopting Start Technology can not only effectively reduce to start, motor impacts the startup of machine driven system, in the working life of the critical components such as prolonged deceleration device, greatly can also reduce the impact load of inrush current on motor and the impact on electrical network simultaneously.In addition, by using Start Technology, when carrying out type selecting to electrical equipment and machinery, motor and other electrical equipment that capacity is less can be selected, reduce the specification grade of machinery, thus can also reduce the investment of equipment Foundations.
The mechanical soft starter device of prior art is such as CST device.Hydro viscous brake combines with planetary differential drive technology by CST device, forms a continuous controlled transmission system by sensors such as PLC and speed, moment of torsion, temperature.CST device does not need separately to join retarder just can complete independently soft start function and transmission agency.When motor start-up, state that hydro viscous brake is in " separation ", ring gear is because of the larger and differential idle running of load of planetary reducer output shaft, therefore motor can under the state of zero load startup optimization, after motor start-up, PLC controls hydro viscous brake and brakes gradually, and ring gear slows down gradually, output shaft then accelerates, thus realizes soft start.
CST device can realize soft start function, but CST device also has some shortcomings.First, the control of CST device is complicated.Secondly, CST device adopts an epicyclic transmission mechanism, and speed adjustable range is less, especially to be applicable to chain haulage machinery especially true; Finally; break is arranged in casing by CST device; a kind of lubricant oil shared by hydro viscous brake and gear; need special hydraulic pressure oil product; and because the Viscous brakes system heating value that works long hours sharply raises; the inefficacy of oil product can be accelerated; user cost and operating cost high; in addition; the friction plate of hydro viscous brake belongs to easily damaged parts; hydro viscous brake is arranged in casing, causes being not easy to carry out field maintenance and the metal granule produced due to wearing and tearing is mixed in lubricant oil and easily causes wearing and tearing to gear and bearing.
Summary of the invention
The implication that in literary composition, term " is in transmission connection " refers to the mode of transferring power to connect (comprising connected directly or indirectly), and such as, respectively with gear on two axles, and described gear engages each other.The implication of " main output link " refers to component that power transmits to output shaft in differential planet transmission mechanism.The implication of " from output link " refers to component that power transmits to break differential planet transmission mechanism.When using one of them input link as epicyclic transmission mechanism of central gear, planet carrier and ring gear, two other is just respectively as main output link with from output link.Described differential planet transmission mechanism is actually a kind of and has an input and two 2K-H differential planet transmission mechanisms exported, as long as determine an input speed and the rotating speed from output link, also the rotating speed of main output link is just determined, by described break to controlling from the rotating speed of output link wherein, thus realize the control to the rotating speed of main output link.
Technical problem to be solved by this invention is to provide a kind of novel mechanical soft start transmission device overcome or at least alleviate at least one above-mentioned shortcoming of prior art soft start transmission device.
To achieve these goals, the invention provides a kind of Special mechanical soft start transmission for chain hauled machinery.This kind of Special mechanical soft start transmission for chain hauled machinery comprises: input shaft, and it is for being in transmission connection with power source; Output shaft, its power transmitted for exporting described Special mechanical soft start transmission for chain hauled machinery; First differential planet transmission mechanism, it comprises the first central gear, the first row carrier, the first row star-wheel and the first ring gear, wherein said first central gear, the first row carrier and the first ring gear are mounted to rotate around the first central axis, and an input link as the first differential planet transmission mechanism, two other main output link respectively as the first differential planet transmission mechanism and from output link; Second differential planet transmission mechanism, it comprises the second central gear, the second planet carrier, the second planet wheel and the second ring gear, wherein said second central gear, the second planet carrier and the second ring gear are mounted to rotate around the second central axis, and an input link as the second differential planet transmission mechanism, two other main output link respectively as the second differential planet transmission mechanism and from output link; First break, itself and described first differential planet transmission mechanism are in transmission connection from output link, optionally to brake it; And second brake, itself and described second differential planet transmission mechanism are in transmission connection from output link, optionally to brake it.Input link and the described input shaft of described first differential planet transmission mechanism are in transmission connection, the main output link of described first differential planet transmission mechanism and the input link of described second differential planet transmission mechanism are in transmission connection, and main output link and the described output shaft of described second differential planet transmission mechanism are in transmission connection.
In soft start transmission device of the present invention, owing to being provided with Liang Ge differential planet transmission mechanism and two breaks, thus can select control a differential planet transmission mechanism or control Liang Ge differential planet transmission mechanism simultaneously according to field working conditions.Selectivity is large, control can be made more accurate, brake more reliable.
Preferably, described first central gear is as the input link of described first differential planet transmission mechanism, and described the first row carrier and the first ring gear are respectively as the main output link of the first differential planet transmission mechanism with from output link; Described second central gear is as the input link of described second differential planet transmission mechanism, and described second planet carrier and the second ring gear are respectively as the main output link of the second differential planet transmission mechanism with from output link.Thus, the first differential planet transmission assembly (driving mechanism and be attached thereto the dirivig member connect) can adopt identical component with the second differential planet transmission assembly, is conducive to the kind reducing component.
Preferably, described first ring gear is as the input link of described first differential planet transmission mechanism, and described the first row carrier and the first central gear are respectively as the main output link of the first differential planet transmission mechanism with from output link; Described second central gear is as the input link of described second differential planet transmission mechanism, and described second planet carrier and the second ring gear are respectively as the main output link of the second differential planet transmission mechanism with from output link.Thus, high speed level is by controlling the rotating speed of central gear thus realizing the control to the main output speed of planet carrier, and slow speed turbine stage is by controlling the rotating speed of ring gear thus realizing the control to the main output speed of planet carrier.Thus, more control mode (three kinds) can be had available.
Preferably, described Special mechanical soft start transmission for chain hauled machinery may further include casing, described first differential planet transmission mechanism and the second differential planet transmission organization establishes are in described casing, and described first break and second brake are arranged outside described casing.By the break controlling differential planet transmission mechanism is arranged on outside casing, make the heating value in use of the system in casing little, be conducive to oil product long-term stability use, and easy to use and easy to maintenance and due to wearing and tearing generation metal granule can not impact gear and bearing.In addition, in said structure, break is without the need to sharing a kind of lubricant oil with the gear of epicyclic transmission mechanism, thus without the need to using dedicated hydraulic oil product, operation and maintenance expense is low.
Preferably, described Special mechanical soft start transmission for chain hauled machinery may further include the lubricant pump for providing oiling agent for described Special mechanical soft start transmission for chain hauled machinery.
Preferably, described Special mechanical soft start transmission for chain hauled machinery may further include the duplex pump for providing hydraulic oil and lubricant oil for described first break and second brake.
Preferably, described first break and described second brake are directly connected on described casing.Thus fix break in a straightforward manner.
Preferably, described first break and/or described second brake are that liquid glues break.
Preferably, described first ring gear is in transmission connection with the mode of speedup and described first break, and described second ring gear is in transmission connection with the mode of speedup and described second brake.Thus, described break will be delivered to from the rotary motion of output link (ring gear) in differential planet transmission mechanism by the form of gear up, thus make the friction plate High Rotation Speed in break, make the braking torque needed for break less, so friction plate is easy to manufacture, cost of production is low.
Preferably, described first centerline axis parallel is in described second central axis, or described first central axis upright is in described second central axis.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail, but described explanation is not as limiting the scope of the invention.
Fig. 1 is the schematic block diagram of mechanical soft start transmission device according to a first embodiment of the present invention.
Fig. 2 is the schematic block diagram of mechanical soft start transmission device according to a second embodiment of the present invention.
The implication of reference character in figure:
1. input shaft; 2. lubricant pump; 3. the first row star-wheel;
4. the first row carrier; 5. the first central gear; 6. the first ring gear;
7. the first break; 8. casing; 9. the second planet wheel;
10. the second planet carrier; 11. second central gears; 12. second ring gears
13. second brakes; 14. output shafts; 15. duplex pumps.
Embodiment
In the accompanying drawings, identical label represents identical or similar component or device.
As shown in Figure 1, Special mechanical soft start transmission for chain hauled machinery according to a first embodiment of the present invention comprises input shaft 1 and output shaft 2.Input shaft 1 is for being in transmission connection with power source (such as motor, engine, turbo machine or other power source).The power that output shaft 2 transmits for exporting described Special mechanical soft start transmission for chain hauled machinery.Described soft start transmission device also comprises the first differential planet transmission mechanism differential planetary mechanism of right lower side (in the Fig. 1) and the second differential planet transmission mechanism differential planetary mechanism of upper left side (in the Fig. 1).
In FIG, the first differential planet transmission mechanism comprises the first central gear 5 (input link), the first row carrier 4 (main output link), the first row star-wheel 3 and the first ring gear 6 (from output link).First central gear 5, the first row carrier 4 and the first ring gear 6 are mounted to rotate around the first central axis (i.e. the rotating center of the first central gear 5).Second differential planet transmission mechanism comprises the second central gear 11, second planet carrier 10, second planet wheel 9 and the second ring gear 12.Second central gear 11, second planet carrier 10 and the second ring gear 13 are mounted to rotate around the second central axis (i.e. the rotating center of the second central gear 11).Described first central axis upright is in described second central axis.
Liang Ge differential planet transmission mechanism shown in Fig. 1 is actually a kind of and has an input and two 2K-H differential planetary retarders exported, as long as determine the rotating speed of an input speed and increasing speed gearing transmission mechanism output shaft, also just determine the rotating speed of main output link.In figure, two differential planetary mechanisms are all set to central gear as input link, and planet carrier is as main output link, and ring gear is as from output link.By controlling the rotating speed of ring gear thus realizing the control to planet carrier rotating speed.Thus, the first differential planet transmission assembly (driving mechanism and be attached thereto the dirivig member connect) can adopt identical component with the second differential planet transmission assembly, is conducive to the kind reducing component.
Still see Fig. 1, Special mechanical soft start transmission for chain hauled machinery comprises the first break 7 and second brake 13 further.First break 7 is in transmission connection by one group of pitch wheel and the first ring gear 6, optionally to brake described first ring gear 6.Second brake 13 is in transmission connection similarly by one group of pitch wheel and the second ring gear 12, optionally to brake described second ring gear.
As shown in FIG., the diameter (number of teeth) of the gear be connected with the first break 7 or second brake 13 is less than the diameter (number of teeth) of the gear be connected with the first ring gear 6 or the second ring gear 12.That is, the first ring gear 6 is in transmission connection with the mode of speedup and the first break 7, and the second ring gear 12 is in transmission connection with the mode of speedup and second brake 13.Thus, described break will be delivered to from the rotary motion of output link (first ring gear 6 and the second ring gear 12) in differential planet transmission mechanism by the form of gear up, thus make the friction plate High Rotation Speed in break, make the braking torque needed for break less, so friction plate is easy to manufacture, cost of production is low.
Before starting the motor as power source, first discharge the first and second breaks (such as, being all mucus break), any load is not applied to it.During motor start-up, from in the motivational drive differential planet transmission mechanism of motor from output link and the first and second breaks, thus motor idle running starts or starts with very little load, thus the differential planetary gear train that to make transmission system become a main output link rotating speed be zero (because the resistance that rotates of main output link is comparatively large, actual load to be driven is larger in other words).
Described Special mechanical soft start transmission for chain hauled machinery shown in Fig. 1 comprises casing 8 and the lubricant pump 2 for supplying oiling agent to epicyclic transmission mechanism further.Casing 8 is for holding or the main member of support transmission device.Certainly, alternate manner (such as base or frame) also can be adopted to hold or the main member of support transmission device.Described first differential planet transmission mechanism and the second differential planet transmission organization establishes are within casing 8, and described first break and second brake are arranged outside casing 8.By the break controlling differential planet transmission mechanism is arranged on outside casing, make the heating value in use of the system in casing little, be conducive to oil product long-term stability use, and easy to use and easy to maintenance and due to wearing and tearing generation metal granule can not impact gear and bearing.In addition, in said structure, break is without the need to sharing a kind of lubricant oil with the gear of epicyclic transmission mechanism, thus without the need to using dedicated hydraulic oil product, operation and maintenance expense is low.Described first break and described second brake are directly connected on described casing.Thus fix break in a straightforward manner.
Described Special mechanical soft start transmission for chain hauled machinery shown in Fig. 1 also comprises the duplex pump for providing hydraulic oil and lubricant oil for described first break and second brake.
Simple declaration is done below with reference to the mechanical soft start transmission device of Fig. 2 to second embodiment of the invention.The transmission device of the second embodiment comprises: input shaft 1, output shaft, the first differential planet transmission mechanism (differential planetary mechanism on the downside of in Fig. 2) and the second differential planet transmission mechanism (differential planetary mechanism on the upside of in Fig. 2).First differential planet transmission mechanism comprises the first central gear 5 (from output link), the first row carrier 4 (main output link), the first row star-wheel 3 and the first ring gear 6 (input link).First central gear 5, the first row carrier 4 and the first ring gear 6 are mounted to rotate around the first central axis (i.e. the rotating center of the first central gear 5).Second differential planet transmission mechanism comprises the second central gear 11 (input link), the second planet carrier 10 (main output link), the second planet wheel 9 and the second ring gear 12 (from output link).Second central gear 11, second planet carrier 10 and the second ring gear 13 are mounted to rotate around the second central axis.Described first centerline axis parallel is in described second central axis.More specifically, described first central axis and described second central axis coaxial.
In a second embodiment, high speed level is by controlling the rotating speed of the first central gear thus realizing the control to the main output speed of planet carrier, and slow speed turbine stage is by controlling the rotating speed of the second ring gear thus realizing the control to the main output speed of planet carrier.Thus, three kinds of control modes can be had available.
The major function that mechanical soft start transmission device in above-described embodiment can be realized by configuration electricity, liquid control system has:
1) soft start: user can set soft starting time (0-300 seconds adjustable) conveniently by control panel, realizes the controllable initiating to load.
2) soft stop: user can set the soft stop time (0-300 seconds adjustable) conveniently by control panel, realizes the soft stop of load outside the scope of nature dead time.
3) low speed exports: user only needs control panel low speed/operation button to switch to low speed station, and manually boot as needed low speed to export.
4) many driving power balances: by regulating and mate the output shaft rotating speed of multiple stage machinery soft start transmission device, the object that multiple drive motor power is balanced can be reached.
5) overload protection: the maximum output (moment) of soft start transmission device is adjustable, with proterctive equipment parts and transmission part (gear and bearing), avoids the impact of transshipping.
This mechanical soft-start mode transmission efficiency of the present invention is high; The inrush current of motor is almost No Load Start, and inrush current is little; Effective speed adjustable range wide (loading speed 0-rated velocity is adjustable).
The foregoing is only preferred embodiment of the present invention, be not used for limiting practical range of the present invention.The present invention also can have other various embodiments; when not deviating from the present invention's spirit and essence thereof; those of ordinary skill in the art are when making various corresponding change and distortion according to the present invention, but these change accordingly and are out of shape the protection domain that all should belong to the claim appended by the present invention.
Claims (10)
1. a Special mechanical soft start transmission for chain hauled machinery, is characterized in that, comprising:
Input shaft, it is for being in transmission connection with power source;
Output shaft, its power transmitted for exporting described Special mechanical soft start transmission for chain hauled machinery;
First differential planet transmission mechanism, it comprises the first central gear, the first row carrier, the first row star-wheel and the first ring gear, wherein said first central gear, the first row carrier and the first ring gear are mounted to rotate around the first central axis, and an input link as the first differential planet transmission mechanism, two other main output link respectively as the first differential planet transmission mechanism and from output link;
Second differential planet transmission mechanism, it comprises the second central gear, the second planet carrier, the second planet wheel and the second ring gear, wherein said second central gear, the second planet carrier and the second ring gear are mounted to rotate around the second central axis, and an input link as the second differential planet transmission mechanism, two other main output link respectively as the second differential planet transmission mechanism and from output link;
First break, itself and described first differential planet transmission mechanism are in transmission connection from output link, optionally to brake it; And
Second brake, itself and described second differential planet transmission mechanism are in transmission connection from output link, optionally to brake it;
Wherein, input and the described input shaft of described first differential planet transmission mechanism are in transmission connection, the main output link of described first differential planet transmission mechanism and the input link of described second differential planet transmission mechanism are in transmission connection, and main output link and the described output shaft of described second differential planet transmission mechanism are in transmission connection.
2. Special mechanical soft start transmission for chain hauled machinery according to claim 1, it is characterized in that, described first central gear is as the input link of described first differential planet transmission mechanism, and described the first row carrier and the first ring gear are respectively as the main output link of the first differential planet transmission mechanism with from output link; Described second central gear is as the input link of described second differential planet transmission mechanism, and described second planet carrier and the second ring gear are respectively as the main output link of the second differential planet transmission mechanism with from output link.
3. Special mechanical soft start transmission for chain hauled machinery according to claim 1, it is characterized in that, described first ring gear is as the input link of described first differential planet transmission mechanism, and described the first row carrier and the first central gear are respectively as the main output link of the first differential planet transmission mechanism with from output link; Described second central gear is as the input link of described second differential planet transmission mechanism, and described second planet carrier and the second ring gear are respectively as the main output link of the second differential planet transmission mechanism with from output link.
4. Special mechanical soft start transmission for chain hauled machinery according to claim 1, it is characterized in that, comprise casing further, described first differential planet transmission mechanism and the second differential planet transmission organization establishes are in described casing, and described first break and second brake are arranged outside described casing.
5. Special mechanical soft start transmission for chain hauled machinery according to claim 1, is characterized in that, comprises the lubricant pump for providing oiling agent for described Special mechanical soft start transmission for chain hauled machinery further.
6. Special mechanical soft start transmission for chain hauled machinery according to claim 4, is characterized in that, comprises the duplex pump for providing hydraulic oil and lubricant oil for described first break and second brake further.
7. Special mechanical soft start transmission for chain hauled machinery according to claim 4, is characterized in that, described first break and described second brake are directly connected on described casing.
8. Special mechanical soft start transmission for chain hauled machinery according to claim 7, is characterized in that, described first break and/or described second brake are that liquid glues break.
9. Special mechanical soft start transmission for chain hauled machinery according to claim 2, described first ring gear is in transmission connection with the mode of speedup and described first break, and described second ring gear is in transmission connection with the mode of speedup and described second brake.
10. the Special mechanical soft start transmission for chain hauled machinery according to any one of claim 1-8, is characterized in that, described first centerline axis parallel in or perpendicular to described second central axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010602197.8A CN102537216B (en) | 2010-12-13 | 2010-12-13 | Special mechanical soft start transmission for chain hauled machinery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010602197.8A CN102537216B (en) | 2010-12-13 | 2010-12-13 | Special mechanical soft start transmission for chain hauled machinery |
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| Publication Number | Publication Date |
|---|---|
| CN102537216A CN102537216A (en) | 2012-07-04 |
| CN102537216B true CN102537216B (en) | 2015-04-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010602197.8A Active CN102537216B (en) | 2010-12-13 | 2010-12-13 | Special mechanical soft start transmission for chain hauled machinery |
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| CN (1) | CN102537216B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103352962B (en) * | 2013-06-24 | 2017-02-08 | 北京华丰达系统技术有限公司 | Mechanical soft start gear reducer for belt conveyor |
| CN103557293B (en) * | 2013-07-01 | 2017-03-15 | 陈伟 | The soft start deceleration device of large tube-like cast frame |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1351696A (en) * | 1999-05-20 | 2002-05-29 | 裴明淳 | Reduction apparatus |
| CN1629514A (en) * | 2004-08-19 | 2005-06-22 | 李本平 | Planetary differential worm stepless speed regulation soft start moment limiting device |
| CN2731179Y (en) * | 2004-08-06 | 2005-10-05 | 李本平 | Soft starting torque limiter of planetary differential worm stepless speed regulation |
| US7524261B1 (en) * | 2005-06-10 | 2009-04-28 | Merritt Armstrong Osborn | Input shaft-supported gearing |
-
2010
- 2010-12-13 CN CN201010602197.8A patent/CN102537216B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1351696A (en) * | 1999-05-20 | 2002-05-29 | 裴明淳 | Reduction apparatus |
| CN2731179Y (en) * | 2004-08-06 | 2005-10-05 | 李本平 | Soft starting torque limiter of planetary differential worm stepless speed regulation |
| CN1629514A (en) * | 2004-08-19 | 2005-06-22 | 李本平 | Planetary differential worm stepless speed regulation soft start moment limiting device |
| US7524261B1 (en) * | 2005-06-10 | 2009-04-28 | Merritt Armstrong Osborn | Input shaft-supported gearing |
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| CN102537216A (en) | 2012-07-04 |
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