CN201763845U - Driving device with cutting-off shaft of overload protection - Google Patents
Driving device with cutting-off shaft of overload protection Download PDFInfo
- Publication number
- CN201763845U CN201763845U CN2010205506680U CN201020550668U CN201763845U CN 201763845 U CN201763845 U CN 201763845U CN 2010205506680 U CN2010205506680 U CN 2010205506680U CN 201020550668 U CN201020550668 U CN 201020550668U CN 201763845 U CN201763845 U CN 201763845U
- Authority
- CN
- China
- Prior art keywords
- cutting
- shaft
- overload protection
- decelerator
- cut
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Abstract
The utility model relates to a driving device with a cutting-off shaft of overload protection, comprising a power means, a transmission means and a decelerator, wherein the power means drives the decelerator through a transmission means. The utility model is characterized in that the transmission means comprises a cutting-off shaft; one end of the cutting-off shaft is connected to the power means through a resilient coupling, and the other end of the cutting-off shaft is connected to the decelerator. As the transmission means adopts the cutting-off shaft, and a conventional friction disc drive mechanism between a motor output shaft and a decelerator is changed into the resilient coupling, the utility model is advantageous in that when dead locking occurs, the cutting-off shaft can be twisted off by the power means, thereby the power means is not easy to be damaged; the cutting-off shaft can be replenished by field processing and is easy to be replaced; the problem that an integral mechanism consisting of a motor, a friction disc and a decelerator should be replaced due to the damage of the friction disc can be resolved, and the cost of spare parts and the difficulty of spare parts preparation can be greatly reduced.
Description
Technical field
The utility model relates to drive unit, particularly with the drive unit of overload protection.
Background technique
At present, in large-scale steel rolling equipment, normal broken band steel and the contaminant removal that adopts prefilter that the backflow emulsified liquid is taken back goes out emulsion system, because the continuity of the working state of prefilter and working environment is abominable, adopt the driving mode of conventional driving mechanism and the kind of drive to cause prefilter to damage easily.
Its deficiency mainly is: 1, because the function of prefilter is that broken band steel and contaminant removal that the backflow emulsified liquid is taken back are gone out emulsion system, when running into big harder band steel or impurity, will scraper plate and chain is stuck, and cause the stall of motor, burn motor.2, because driving mechanism is by motor, friction plate, speed reducer constitutes, under normal state, the driven by motor friction plate, friction plate drives speed reducer, speed reducer drives the chain scraper running, long-term operation can cause friction disc wear, thereby the driving force that friction plate produced reduces gradually, and when meeting obstructions slightly, driving force does not reach the size that mechanism moves needed power, friction plate begins to skid, and motor rotates and chain is motionless, causes the stuck illusion of chain; 3, friction plate causes whole mechanical mechanism stuck, and causes motor rotation blockage, thereby cause burn-down of electric motor at the long-term chute of directly running out of easily in service, and slip gear damages.
The model utility content
Technical problem to be solved in the utility model is: at the technical deficiency of above-mentioned existence, the drive unit that provides a kind of band to cut off an overload protection, this drive unit are difficult for causing power plant damage and transmission device easily to change.
The utility model is to solve the problems of the technologies described above the technological scheme that is adopted to be: band is cut off the drive unit of an overload protection, and it includes power plant, transmission device and retarder, and power plant are by the actuator drives retarder; Described transmission device includes cuts off axle, and an end of cutting off axle is connected by elastic coupling flexible coupling with power plant, and an other end is connected with retarder.
In the such scheme, described cutting off on the sidewall has groove, and groove is circular groove or a plurality of radially-arranged rectangle groove of radial arrangement.
In the such scheme, described elastic coupling flexible coupling is parallel grooved elastic coupling flexible coupling.
Principle of the present utility model is: transmission device adopts cuts off axle, original motor output shaft and the friction plate driving mechanism between retarder are changed, making elastic coupling flexible coupling into connects, when running into stuck phenomenon, power plant can twist off cuts off axle, be difficult for causing the power plant damage, can replenish by scene processing and cut off axle, easily change, needn't look like motor, friction plate, this whole mechanism of retarder changes entire mechanism because of the damage of friction plate, thus the spare part cost of significantly cutting down and the difficulty of spare part tissue.
Cut off and have groove on the axle, the suffered ultimate shearing stress of axis body at fluting position reduces, and its ultimate shearing stress should be cut off the suffered torsion of axle when stuck, when stuck phenomenon takes place, cuts off axle and is cut off under the effect of torsion, plays the effect of overload protection.
The beneficial effects of the utility model are: by the improvement to the kind of drive; overload protection is provided; reduced rate of occurrence of equipment failure; the reliable and stable operation of maintenance equipment; and this apparatus structure is simple, and is easy to make, reduced the labor intensity of Maintenance and Repair; cut down the spare parts purchasing expense, the spare part versatility is stronger.
Description of drawings
Fig. 1 is the utility model embodiment's a Facad structure schematic representation.
Fig. 2 is the another embodiment of cutting off axle.
Among the figure, the 1-oil hydraulic motor, the 2-elastic coupling flexible coupling, 3-cuts off axle, 4-groove, 5-worm screw, 6-worm gear, 7-bearing, 8-sprocket shaft.
Embodiment
Below in conjunction with accompanying drawing the utility model is further described.
Band is as shown in Figure 1 cut off the drive unit embodiment of an overload protection, and it is the drive unit of the prefilter in large-scale steel rolling equipment.It includes power plant, transmission device and retarder, and wherein power plant are oil hydraulic motor 1, and transmission device includes cuts off axle 3, and an end of cutting off axle 3 is connected by elastic coupling flexible coupling 2 with oil hydraulic motor 1, and an other end is equipped with bearing 7 and connection reducer.Wherein cut off axle 3 and carefully cut off axle for 14mm; cut off on axle 3 sidewalls and have groove 4; groove 4 is the circular groove of radial arrangement; the suffered ultimate shearing stress of axis body at fluting position reduces; its ultimate shearing stress should be cut off the suffered torsion of axle 3 when stuck; when stuck phenomenon takes place when, cut off axle 3 and under the effect of torsion, cut off, play the effect of overload protection.Described retarder is the Worm-gear type retarder, its worm screw 5 with cut off axle and 3 be connected, worm gear 6 drives sprocket shafts 8 and is connected with load.Described elastic coupling flexible coupling 2 is parallel grooved elastic coupling flexible coupling, has 3-5 grooving above, adopts aluminum alloy to make.
As shown in Figure 2, groove 4 can also be a plurality of radially-arranged rectangle grooves.
The utility model embodiment's principle is: under the actual conditions at existing installation space and scene, selected the power source of on-the-spot very easy access---hydraulic pressure, and The field more widely oil hydraulic motor be used as its power, can guarantee the lasting supply of power like this, guaranteed the versatility of the spare part of its spare part and miscellaneous equipment again, save the spare part expense, reduced operating cost.Original motor output shaft and the friction plate driving mechanism between retarder are changed, making elastic coupling flexible coupling into connects, and between elastic coupling flexible coupling and retarder, install additional a joint 14mm thick carefully cut off axle, like this when running into large-scale impurity, the chain of prefilter is stuck, oil hydraulic motor can twist off this root and carefully cut off axle, so, both guaranteed not stall of oil hydraulic motor, guaranteed that again chain can not twisted off, played a safety effect, and this root is carefully cut off axle and can be replenished by scene processing, and needn't look like motor, friction plate, this whole mechanism of retarder changes entire mechanism because of the damage of friction plate, thus the spare part cost of significantly cutting down and the difficulty of spare part tissue.
The beneficial effect of the utility model embodiment is: by the improvement to type of drive and the kind of drive; overload protection to prefilter is provided; reduced the rate of breakdown of prefilter; the reliable and stable operation that keeps whole emulsion system; and this apparatus structure is simple, and is easy to make, reduced the labour intensity of Maintenance and Repair; cut down the spare parts purchasing expense, the spare part versatility is stronger.
Claims (3)
1. band is cut off the drive unit of an overload protection, and it includes power plant, transmission device and retarder, and power plant are by the actuator drives retarder; It is characterized in that: described transmission device includes cuts off axle, and an end of cutting off axle is connected by elastic coupling flexible coupling with power plant, and an other end is connected with retarder.
2. band as claimed in claim 1 is cut off the drive unit of an overload protection, it is characterized in that: described circular groove or a plurality of radially-arranged rectangle groove that has radial arrangement on the sidewall of cutting off.
3. band as claimed in claim 1 or 2 is cut off the drive unit of an overload protection, it is characterized in that: described elastic coupling flexible coupling is parallel grooved elastic coupling flexible coupling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205506680U CN201763845U (en) | 2010-09-30 | 2010-09-30 | Driving device with cutting-off shaft of overload protection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205506680U CN201763845U (en) | 2010-09-30 | 2010-09-30 | Driving device with cutting-off shaft of overload protection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201763845U true CN201763845U (en) | 2011-03-16 |
Family
ID=43716451
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205506680U Expired - Fee Related CN201763845U (en) | 2010-09-30 | 2010-09-30 | Driving device with cutting-off shaft of overload protection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201763845U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113475216A (en) * | 2021-07-30 | 2021-10-08 | 格力博(江苏)股份有限公司 | Grass cutter |
-
2010
- 2010-09-30 CN CN2010205506680U patent/CN201763845U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113475216A (en) * | 2021-07-30 | 2021-10-08 | 格力博(江苏)股份有限公司 | Grass cutter |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102927001B (en) | Method by utilizing switch reluctance motor speed regulating system for screw pump oil extraction | |
| CN201768947U (en) | Novel edge milling machine power head | |
| CN102052438A (en) | Gear drive structure with function of overload protection | |
| CN201763845U (en) | Driving device with cutting-off shaft of overload protection | |
| CN202628511U (en) | Double-inversion-prevention screw pump driving device | |
| CN201934611U (en) | Gear transmission structure with overload protection function | |
| CN201184290Y (en) | Electromagnetic brake of oil pumping machine | |
| CN201474936U (en) | Switched reluctance motor screw pump driving device | |
| CN202517598U (en) | Machine head of hydraulic concrete cutting machine | |
| CN206016672U (en) | Rotating disk fluid pressure drive device | |
| CN203979319U (en) | Axial driving mechanism | |
| CN206196375U (en) | A kind of obstacle avoidance crushes mowing accessory head | |
| CN211077385U (en) | Torque limiting sprocket assembly | |
| CN2931944Y (en) | Oscillating gear tangential meshing type barring gear | |
| CN203836137U (en) | Gear | |
| CN2846388Y (en) | Electric driven gear driving two gearshift single shaft winch | |
| CN2880337Y (en) | Cutting machine double-belt driving structure | |
| CN2763348Y (en) | Jam-resisting protector for gate | |
| CN204579700U (en) | The automatic fish cutter of bi-motor | |
| CN2635951Y (en) | Fan with main motor direct driven air guiding wheel | |
| CN216398224U (en) | Climb tubular pipe cutting machine | |
| CN204477229U (en) | A kind of Novel snow blower speed reducer | |
| CN2901818Y (en) | Earth auger | |
| CN220956678U (en) | Air compressor transmission shaft device for wheel-trailing engine | |
| CN2771286Y (en) | Mechanical drive device for stabilizing road mixer and regenerating surface milling planing machine rotor |
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: 20110316 Termination date: 20170930 |