CN2538769Y - Planet speed change hoister - Google Patents
Planet speed change hoister Download PDFInfo
- Publication number
- CN2538769Y CN2538769Y CN 00257707 CN00257707U CN2538769Y CN 2538769 Y CN2538769 Y CN 2538769Y CN 00257707 CN00257707 CN 00257707 CN 00257707 U CN00257707 U CN 00257707U CN 2538769 Y CN2538769 Y CN 2538769Y
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- Prior art keywords
- planetary
- speed
- brake
- wheel
- internally toothed
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Abstract
The utility model relates to a hoist which achieves speed change according to the principle of planetary drive differential gear train. The utility model is characterized in that a planetary transmission with high efficiency and compact size is additively arranged between a motor and a speed reducer without changing the structure layout of the current hoist, and controls the rotational speeds of two brake wheels which are connected with an internal gear ring respectively, in order to obtain different running speeds, therefore achieves speed change and speed regulation. The utility model combines the current fast hoist and slow hoist into one, therefore has the advantages of low speed during over loading, high speed during light load and high working efficiency.
Description
The utility model relates to a kind of winch that adopts planetary transmission differential gear train principle to realize speed change.Be specially adapted in the high-building construction to promote and long-distance transportation in pull weight.
Along with the continuous development of national economy, the new situation that city-building, mine, bridge occur presses for a kind of efficient, time fast hoisting equipment of rope speed.The winch of a single speed is difficult to satisfy the needs of engineering construction, from the analysis of winch loading spectrum as can be known, fully loaded lifting time only accounts for about 20% of work-hours, all the other times of 80% have only been used the part capacity of motor, this is a very big waste, in order to satisfy the demand in market, improve construction mechanization level, utilize planetary transmission differential gear train principle in recent years, winch is improved, as the planetary speed-change lift of Dual-motors Driving, though improved the quality of winch, but do not see popularization, trace it to its cause, mainly adopt double-motor to strengthen the cost input, especially high-performance winch, thereby caused too high functional cost, make its development space be restricted.
Task of the present utility model is to provide a kind of simple in structure, dependable performance, low, the convenient operating maintenance of cost to skyscraper, mine, bridge formation, realizes the winch of speed change with the principle of planetary transmission differential gear train.
The invention main points of novel winch are: not changing under the situation that the winch topology layout is arranged, between electrical motor and retarder, set up a planetary transmission, make the winch of single speed have two kinds of running velocitys.Accompanying drawing 1 is depicted as this utility model winch scheme drawing, and it is made up of electrical motor 1, elastic coupling 2, drg 3, planetary transmission 4, drg 5, braking strap brake 6, end-float coupling 7, retarder 8, reel 9 etc.Accompanying drawing 2 is depicted as the planetary transmission scheme drawing.It is made up of parts such as brake wheel 10, casing 11, internally toothed annulus 12, row amount wheel carrier 13, double-planetary gear 14, active center wheel 15, inner gear 16, case lid 17, brake wheel 18 and input shafts 19; Power drives double-planetary gear 14 runnings that are installed on the planetary wheel carrier 13 by the wheel of the active center on the input shaft 19 15, double-planetary gear meshes with internally toothed annulus 12,14 respectively, when brake wheel 10 quilt locks are tight, (this moment, the lock of brake wheel 18 unclamped), double-planetary gear meets and changes and wheel 15 revolves round the sun with certain speed along gear ring 12 around active center, drive pinion carrier simultaneously and rotate, this moment, internally toothed annulus 16 was done the differential rotation, and pinion carrier drives a retarders level running at a high speed by end-float coupling 7; Equally, (lock of braking wheel 10 this moment unclamps) rotating cylinder obtains another kind of operating speed again when brake wheel 18 is tight by lock.When winch mates high-performance squirrel cage motor, for avoiding impact to the electricity consumption electrical network, realize smooth starting, operating speed by brake activation strap brake control driving wheel 10 is realized the speed governing starting, at this moment should make two brake wheels be in releasing orientation, the rotating speed of operation braking strap brake 6 control brake wheel 10, moments later the tightly wherein arbitrary brake wheel of lock can realize that operation promotes again.When the coupling miniature electric motor, all can adopt manual braking strap brake, alternately control the rotating speed of two brake wheels, can realize infinite speed variation, when zero load is transferred (electrical motor off-position), brake activation strap brake 6 (this moment, brake wheel 18 was tight by lock) can realize that speed limit descends.When two brake wheels were tight by lock, weight was in halted state.
Novel winch has two kinds of work speeds, and it is fast having now, slow type is integrated, and realizes heavy-duty low-speed, and underloading is increased work efficiency at a high speed, saves raw MAT'L.High-power winch also can mate squirrel cage motor, compares with the high winding motor of coupling price, has saved the electrical speed regulation system, has reduced the cost expenditure, has saved non-ferrous metal material.Operation in inflammable and explosive environment also is easy to explosive-proof protector.The existing product brake wheel is installed on the coupler of motor shaft, the brake wheel quick abrasion, the braking stationarity is poor, and novel winch brake wheel is installed in the suitable position of messenger chain between electric drive axle and the retarder high speed shaft, the brake wheel rotating speed has only 200-400 rev/min usually, it not only can make full use of the making moment of drg, and brakes steady, safe and reliable.As when overloading, skidding can appear in brake wheel, can play the warning effect.The planetary transmission box of tricks that the change-speed box of novel winch adopts, simple in structure, workpiece quantity is few, in light weight, volume is little, assembling is easy to maintenance, other parts of this utility model can be chosen from existing product, and gauge member, general part account for more than 70%.Therefore, be easy to batch process.Merit is filled about 1.8 ten thousand yuan of the manufacturing cost of the JK-3.2 type winch of 20KW, suitable substantially with novel winch cost, when surpassing this power, novel product is on a declining curve, novel winch was because to return rope speed fast, and work efficiency will improve 60%, by operation life 1000 hours, to economize on electricity about 80,000 the degree, its economic and social benefit is apparent.
Accompanying drawing 1 is a utility model complete machine scheme drawing, and it is made up of parts such as electrical motor 1, elastic coupling 2, drg 3, planetary transmission 4, drg 5, braking strap brake 6, end-float coupling 7, retarder 8 and reels 9.Its workflow is: electrical motor → planetary transmission → retarder → reel.Alternately brake two brake wheels on the planetary transmission, obtain different running velocitys.
Accompanying drawing 2 is the planetary transmission overall schematic of utility model, and it is made up of parts such as brake wheel 10, casing 11, internally toothed annulus 12, planetary wheel carrier 13, double-planetary gear 14, active center wheel 15, internally toothed annulus 16, case lid 17, brake wheel 18 and input shafts 19.The annexation of planetary transmission is installed on the input shaft for main wheel in the active, it and double-planetary gear mesh, double-planetary gear is installed on the planetary wheel carrier, it is meshed with two internally toothed annuluss respectively, and planetary wheel carrier one end bearing and is connected with unsteady shaft coupling 7 in the cylindrical shell of internally toothed annulus 12, the other end is bearing in the cylindrical shell meat of internally toothed annulus 16, in go too far and 12 be bearing on the casing, internally toothed annulus 16 is bearing on the case lid, two brake wheels 16,18 are installed in respectively on the cylindrical shell of internally toothed annulus 12,16.
The key that carries out an invention is planetary transmission, at first will screen, optimize and take in conjunction with the existing product parametric synthesis its performance perameter.Existing speed elevator type as thousand Ns of pulling force 10-50 has 10 specification kinds.Therefore, the converter speed ratio kind number of choosing is wanted these speed types of containing as much as possible, designed gear parameter will be convenient to combination, reduce parts specification quantity,, improve the quality so that reduce production costs, going deep on the basis of market research, select 1,2 readily marketable products to develop, obtaining experience simultaneously, progressively expansion as representativeness.
Claims (1)
1, a kind of winch is made up of electrical motor (1), elastic coupling (2), drg (3), planetary transmission (4), drg (5), braking strap brake (6), end-float coupling (7), retarder (8), reel parts such as (9); The planetary transmission that it is characterized in that it is made up of brake wheel (10), casing (11), internally toothed annulus (12), planetary wheel carrier (13), brake wheel (14), active center wheel (15), internally toothed annulus (16), case lid (17), brake wheel (18) and input shaft (19) etc.; The active center wheel is installed on the input shaft, the double-planetary gear that is meshed with it is installed on the planetary wheel carrier, planetary wheel carrier one end is supported in the cylindrical shell of internally toothed annulus (12), and be connected with end-float coupling, the other end is supported in the cylindrical shell of internally toothed annulus (16), two internally toothed annuluss that are meshed with double-planetary gear are installed in respectively on casing and the case lid, and two brake wheels are installed in respectively on the cylindrical shell of internally toothed annulus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00257707 CN2538769Y (en) | 2000-10-30 | 2000-10-30 | Planet speed change hoister |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00257707 CN2538769Y (en) | 2000-10-30 | 2000-10-30 | Planet speed change hoister |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2538769Y true CN2538769Y (en) | 2003-03-05 |
Family
ID=33614159
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00257707 Expired - Fee Related CN2538769Y (en) | 2000-10-30 | 2000-10-30 | Planet speed change hoister |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2538769Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102887450A (en) * | 2012-10-12 | 2013-01-23 | 南通力威机械有限公司 | Heavy-load and light-load dual-purpose hydraulic umbilical winch |
| CN106517013A (en) * | 2016-12-15 | 2017-03-22 | 山东丰汇设备技术有限公司 | Hoisting mechanism with gear shifting device |
| CN106882721A (en) * | 2017-04-14 | 2017-06-23 | 苏州标杆知识产权运营有限公司 | Driving elevator brake system |
-
2000
- 2000-10-30 CN CN 00257707 patent/CN2538769Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102887450A (en) * | 2012-10-12 | 2013-01-23 | 南通力威机械有限公司 | Heavy-load and light-load dual-purpose hydraulic umbilical winch |
| CN106517013A (en) * | 2016-12-15 | 2017-03-22 | 山东丰汇设备技术有限公司 | Hoisting mechanism with gear shifting device |
| CN106882721A (en) * | 2017-04-14 | 2017-06-23 | 苏州标杆知识产权运营有限公司 | Driving elevator brake system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |