CN202346668U - Mechanical stepless regulation reducer for hoisting winches - Google Patents
Mechanical stepless regulation reducer for hoisting winches Download PDFInfo
- Publication number
- CN202346668U CN202346668U CN2011203131957U CN201120313195U CN202346668U CN 202346668 U CN202346668 U CN 202346668U CN 2011203131957 U CN2011203131957 U CN 2011203131957U CN 201120313195 U CN201120313195 U CN 201120313195U CN 202346668 U CN202346668 U CN 202346668U
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- China
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- bearing
- shaft
- gear
- input shaft
- pinion carrier
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Abstract
The utility model provides a mechanical stepless regulation reducer for hoisting winches. The mechanical stepless regulation reducer comprises a coupling, wherein the coupling is arranged on an input shaft; a speed regulation wheel is sleeved on a coupling tooth which is assembled on the input and fixed through a third bearing cap; a snap ring is arranged between the third bearing cap and a first bearing; a box body is assembled at one end of the input shaft; a planet carrier is assembled in the box body and one end thereof is connected with the input shaft; a braking wheel is arranged at the other end of the planet carrier; a third bearing is arranged between the planet carrier and the coupling tooth; a wear resisting plate is arranged between a ball end and the input shaft; an internal tooth ring is sleeved on the planet carrier and connected with the coupling tooth; a sun gear on the input shaft is meshed with a planet gear which is arranged at one side of a driving gear in the planet carrier; the driving gear is meshed with a driven gear; and an output shaft is assembled in the box body and connected with an output gear. The mechanical stepless regulation reducer for hoisting winches is compact in structure and capable of preventing galloping.
Description
Technical field
The utility model relates to the mine mechanism field, refers in particular to a kind of mechanical stepless speed-regulating retarder that is used for lifting winch.
Background technology
The retarder that is used for lifting winch and gig at present adopts NGW type planetary mechanism mostly; As shown in Figure 1; Its principle of work is: motion is passed to axle 2 by motor through clutch 1, passes to planetary wheel 8 by axle 2, and planetary wheel 8 is passed to inner gear 10; Inner gear is connected with shaft coupling tooth 18, and pinion carrier 7 one of acquisition simultaneously rotatablely move.Fly wheel governor did not declutch and can rotate this moment when the rotating speed of gear ring is not 0, and behind axle 2 input motions, pinion carrier can not obtain the motion of an output, and this moment, output shaft 23 can not get motion; Fly wheel governor braking when the motion of gear ring is 0 and can not rotate the time, pinion carrier obtains the output movement of a maximum, passes to ring gear 25 to motion through driving gear 6, motion is passed to cylinder by output gear 29.The rotating speed that changes fly wheel governor just can change the output speed of pinion carrier, the realization infinite speed variation.The shortcoming of this class formation is: 1, owing in planetary mechanism, adopt the pinion carrier tie-rod to do output; When winch under external load function, can drive output gear 29 rotation by reel, because of the colliery all is an inclined shaft; Therefore when heavy duty is transferred; The speed that mine car is transferred automatically is more and more faster, if this moment, fly wheel governor was not made extremely, pinion carrier can dally.Cause the so-called car of letting fly away.The colliery often is exactly to utilize this point for power saving, under the situation of starter motor not, transfers weight, is prone to cause safety misadventure.This is that safety of coal mines specification institute is unallowed.2,, a brake wheel can only be installed on output shaft hydraulic contracting is installed is done emergency braking and use in order to solve runaway problem.3, since an end of bolster 2 in the pinion carrier the inside, in order to let compact conformation, bearing 17 is often smaller, so fragile.4, planetary mechanism is to need suitable floating installation to compensate Mismachining tolerance, and this mechanism does not have design compensation mechanism, so noise ratio is bigger, and gear wear is fast, and the retarder life-span is short.
Summary of the invention
The purpose of the utility model is to overcome the deficiency of prior art, a kind of compact conformation that is used for lifting winch is provided, can effectively prevents the mechanical stepless speed-regulating retarder of driving.
For realizing above-mentioned purpose; The technical scheme that the utility model provided is: a kind of mechanical stepless speed-regulating retarder that is used for lifting winch; It includes that clutch, flat key, input shaft, third axle hold that lid, fly wheel governor, first seal ring, snap ring, clutch shaft bearing, shaft coupling tooth, second bearing, casing, clamp, internally toothed annulus, third axle hold, wear plate, bulb, sun gear, planetary wheel, the 4th bearing, pinion carrier, driving gear, the 5th bearing, brake wheel, the 6th bearing, ring gear, output shaft, lubricating disc, the 7th bearing, output gear; Wherein, Clutch is installed on the input shaft through flat key, and input shaft provides power by motor; Fly wheel governor is linked on the shaft coupling tooth, and the shaft coupling tooth is assemblied on the input shaft through clutch shaft bearing, is loaded in the casing through two bearings simultaneously, and it is fixing that its end that is positioned at clutch holds lid through third axle; Third axle holds between lid and the clutch shaft bearing and is provided with snap ring; Third axle holds between lid and the input shaft and is reserved with certain interval, and through the sealing of first seal ring; Casing is assemblied in input shaft one end through second bearing; Pinion carrier is assemblied in the casing through the 5th bearing; Pinion carrier one end makes sun gear ability axial location through bulb, and pinion carrier one end is connected with input shaft through bulb, and the braking wheel is fixedly mounted on the pinion carrier other end through pressing plate; Being provided with third axle between pinion carrier and the shaft coupling tooth holds; Be provided with wear plate between bulb and the input shaft; Internally toothed annulus is linked on the pinion carrier, and is connected with the shaft coupling tooth through clamp; Be provided with sun gear in the pinion carrier of input shaft one end, sun gear is meshed with planetary wheel, and planetary wheel passes through the 4th bearing installation in driving gear one side; Driving gear is positioned at pinion carrier; Driving gear and ring gear are meshed; Ring gear is assemblied on the output shaft; Output shaft one end is assemblied in the casing through the 6th bearing; The other end is connected with output gear after passing the 7th bearing in the casing; Lubricating disc is installed on the output shaft.
The advantage of the utility model is: first: adopted gear coupling to make relocation mechanism in the planetary mechanism of this programme, made sun gear can realize floating, made on the sun gear flank of tooth load even, effectively improved service life.Second: this programme is increased oil-through hole through input end on case lid, on output shaft, installs lubricating disc additional, on the shaft coupling tooth, opens oily passage, makes oily supply shaft bearing lubrication oil with permitting branch, has thoroughly solved bearing wearing and tearing too early and the phenomenon of damage retarder.The the 3rd: on the mouth pinion carrier of planetary mechanism, the braking wheel has been installed,, also can has been made winch out of service, effectively prevented the safety misadventure that causes because of driving through the braking wheel even transferring weight when driving occurring.
Description of drawings
Fig. 1 is the structural representation of existing retarder.
Fig. 2 is the structural representation of the utility model.
Fig. 3 is the cover structure scheme drawing of the utility model.
Fig. 4 is the oil-through hole scheme drawing on the utility model case lid.
Fig. 5 is the A-A cutaway view among Fig. 4.
The specific embodiment
Below in conjunction with the utility model being described further with accompanying drawing; The preferred embodiment of the utility model is: referring to accompanying drawing 1 to accompanying drawing 5; The described mechanical stepless speed-regulating retarder of present embodiment include clutch 201, flat key 202, input shaft 203, third axle hold cover 204, fly wheel governor 205, first seal ring 206, snap ring 207, clutch shaft bearing 208, shaft coupling tooth 209, second bearing 212, casing 213, clamp 214, internally toothed annulus 215, third axle hold 216, wear plate 217, bulb 218, sun gear 219, planetary wheel 220, the 4th bearing 221, pinion carrier 222, driving gear 223, the 5th bearing 224, braking wheel 226, the 6th bearing 228, ring gear 229, output shaft 230, lubricating disc 231, the 7th bearing 232, output gear 234; Wherein, Clutch 201 is installed on the input shaft 203 through flat key 202, and input shaft 203 provides power by motor; Fly wheel governor 205 is linked on the shaft coupling tooth 209, and shaft coupling tooth 209 is assemblied on the input shaft 203 through clutch shaft bearing 208, be loaded in the casing 213 through two bearings 228 simultaneously, its end that is positioned at clutch 201 through third axle hold cover 204 fixing; Third axle hold cover 204 and clutch shaft bearing 208 between be provided with snap ring 207; Third axle hold cover 204 and input shaft 203 between be reserved with certain interval, and through the sealing of first seal ring 206; Shaft coupling tooth 209 is assemblied in 213 li of casings through 212 two on second bearing; Second bearing 212 is through 210 lockings of clutch shaft bearing lid, and 212 two on second bearing and casing, and shaft coupling tooth spacer ring is given into oil pocket; Supply and the lubricated usefulness of input shaft 203 head bearings, and through 211 sealings of second seal ring.Pinion carrier 222 is assemblied in the casing 213 through the 5th bearing 224, and pinion carrier 222 1 ends make sun gear 219 ability axial location through bulb 218, and braking wheel 226 is fixedly mounted on pinion carrier 222 other ends through pressing plate 225; Be provided with third axle between pinion carrier 222 and the shaft coupling tooth 209 and hold 216; Be provided with wear plate 217 between bulb 218 and the input shaft 203; Internally toothed annulus 215 is linked on the pinion carrier 222, and is connected with shaft coupling tooth 209 through clamp 214; Be provided with sun gear 219 in the pinion carrier 222 of input shaft 203 1 ends; Sun gear 219 is meshed with planetary wheel 220; Adopted gear coupling to make relocation mechanism (being made up of external tooth on little tooth cover and input shaft tooth, the sun gear) in the planetary mechanism, it is unsteady to make sun gear 219 to realize.Make on sun gear 219 flank of tooth load even, effectively improved service life.Planetary wheel 220 is installed in driving gear 223 1 sides through the 4th bearing 221; Driving gear 223 is positioned at pinion carrier 222; Driving gear 223 is meshed with ring gear 229; Ring gear 229 is assemblied on the output shaft 230; Output shaft 230 1 ends are assemblied in the casing 213 through the 6th bearing 228, and the 6th bearing 228 is locked in the casing 213 through second bearing cap shim 227.The 7th bearing 232 backs that output shaft 230 other ends pass in the casing 213 are connected with output gear 234, and wherein, the 7th bearing 232 is locked in the casing 213 through end cap 233.Output gear 234 is fixed on the output shaft 230 through pressing plate car 235.Lubricating disc 231 is installed on the output shaft 230.Input end is increased oil-through hole 237 on the case lid 236, on output shaft 230, installs lubricating disc 231 additional, on shaft coupling tooth 209, also opens oily passage, makes oily supply shaft bearing lubrication oil with permitting branch, has thoroughly solved bearing wearing and tearing too early and the phenomenon of damage retarder.
The embodiment of the above is the preferred embodiment of the utility model only, is not the practical range that limits the utility model with this, so the variation that all shapes according to the utility model, principle are done all should be encompassed in the protection domain of the utility model.
Claims (1)
1. mechanical stepless speed-regulating retarder that is used for lifting winch; It is characterized in that: it includes clutch (201), flat key (202), input shaft (203), third axle and holds lid (204), fly wheel governor (205), first seal ring (206), snap ring (207), clutch shaft bearing (208), shaft coupling tooth (209), second bearing (212), casing (213), clamp (214), internally toothed annulus (215), third axle and hold (216), wear plate (217), bulb (218), sun gear (219), planetary wheel (220), the 4th bearing (221), pinion carrier (222), driving gear (223), the 5th bearing (224), braking wheel (226), the 6th bearing (228), ring gear (229), output shaft (230), lubricating disc (231), the 7th bearing (232), output gear (234); Wherein, Clutch (201) is installed on the input shaft (203) through flat key (202), and input shaft (203) provides power by motor; Fly wheel governor (205) is linked on the shaft coupling tooth (209); Shaft coupling tooth (209) is assemblied on the input shaft (203) through clutch shaft bearing (208); Be loaded in the casing (213) through two bearings (228) simultaneously, it is fixing that its end that is positioned at clutch (201) holds lid (204) through third axle; Third axle holds between lid (204) and the clutch shaft bearing (208) and is provided with snap ring (207); Third axle holds between lid (204) and the input shaft (203) and is reserved with certain interval, and through first seal ring (206) sealing; Pinion carrier (222) is assemblied in the casing (213) through the 5th bearing (224); Pinion carrier (222) one ends make sun gear (219) ability axial location through bulb (218), and braking wheel (226) is fixedly mounted on pinion carrier (222) other end through pressing plate (225); Be provided with third axle between pinion carrier (222) and the shaft coupling tooth (209) and hold (216); Be provided with wear plate (217) between bulb (218) and the input shaft (203); Internally toothed annulus (215) is linked on the pinion carrier (222), and is connected with shaft coupling tooth (209) through clamp (214); Be provided with sun gear (219) in the pinion carrier (222) of input shaft (203) one ends, sun gear (219) is meshed with planetary wheel (220), and planetary wheel (220) is installed in driving gear (223) one sides through the 4th bearing (221); In the pinion carrier (222) that is loaded on driving gear (223) goes up; Driving gear (223) and ring gear (229) are meshed; Ring gear (229) is assemblied on the output shaft (230); Output shaft (230) one ends are assemblied in the casing (213) through the 6th bearing (228); The 7th bearing (232) back that the other end passes in the casing (213) is connected with output gear (234); Lubricating disc (231) is installed on the output shaft (230).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203131957U CN202346668U (en) | 2011-08-25 | 2011-08-25 | Mechanical stepless regulation reducer for hoisting winches |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203131957U CN202346668U (en) | 2011-08-25 | 2011-08-25 | Mechanical stepless regulation reducer for hoisting winches |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202346668U true CN202346668U (en) | 2012-07-25 |
Family
ID=46535686
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203131957U Expired - Fee Related CN202346668U (en) | 2011-08-25 | 2011-08-25 | Mechanical stepless regulation reducer for hoisting winches |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202346668U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103195896A (en) * | 2013-03-26 | 2013-07-10 | 三一重型装备有限公司 | Traveling reducer and mining machinery |
| CN104555774A (en) * | 2015-01-15 | 2015-04-29 | 中铁工程机械研究设计院有限公司 | Mining excavator lifting mechanism |
-
2011
- 2011-08-25 CN CN2011203131957U patent/CN202346668U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103195896A (en) * | 2013-03-26 | 2013-07-10 | 三一重型装备有限公司 | Traveling reducer and mining machinery |
| CN103195896B (en) * | 2013-03-26 | 2016-07-13 | 三一重型装备有限公司 | A kind of traveling speed reducer and mining machine |
| CN104555774A (en) * | 2015-01-15 | 2015-04-29 | 中铁工程机械研究设计院有限公司 | Mining excavator lifting mechanism |
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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 |
Granted publication date: 20120725 Termination date: 20140825 |
|
| EXPY | Termination of patent right or utility model |