CN2060162U - Energy-saving retarding rise-and-fall driving device - Google Patents
Energy-saving retarding rise-and-fall driving device Download PDFInfo
- Publication number
- CN2060162U CN2060162U CN 89217153 CN89217153U CN2060162U CN 2060162 U CN2060162 U CN 2060162U CN 89217153 CN89217153 CN 89217153 CN 89217153 U CN89217153 U CN 89217153U CN 2060162 U CN2060162 U CN 2060162U
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- clutch
- spline
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- shell
- duplex
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Abstract
The utility model relates to an energy-saving speed limiting rise-and-fall driving device, comprising a drive motor, a reducer casing, a hydraulic coupling (or an energy-saving clutch) and a speed limiting drive device. The speed limiting drive device comprises a splined shaft sleeve, a doubled linked spline sleeve, an overrunning clutch, a disc clutch, and an endless screw. The forward and backward rotating force of the driving motor is absorbed through the splined shaft sleeve, the doubled linked spline sleeve which is engaged with spline teeth of the splined shaft sleeve moves in axial direction along the endless screw, and thus, the disc clutch is pressed tightly and unclamped. So, the descent of heavy objects can be carried out under the condition of the reversal of the drive motor. The utility model omits a brake and a speed regulating device which are needed by a general lift mechanism, and has the advantages of small driving power, stable starting and braking operation, and high safety.
Description
The utility model relates to hoisting crane, elevator field, and particularly a kind of heavy duty can stop overspeed, and energy-conservation speed limit lifting drive that can safety arrestment when descending.
Hoisting crane, the elevator amount of being are used wide vertical transportation machinery greatly.The lifting mechanism of existing hoisting crane; the driver train of luffing mechanism and elevator etc.; prolong with traditional version always; promptly by electrical motor; compositions such as common plunging joint and drop-gear box; the characteristic of not having energy-conservation speed limit; and to establish drg in addition; no safety guard; play glancing impact the sense of impact is arranged; requiring braking pulsation-free occasion; general employing thyristor speed control or eddy-current braking speed regulation, but price is expensive; weight is big, and the differential speed regulation of the motor planetary of employing is also arranged; make complexity but bring; expensive shortcoming hoisting crane; the radical function of elevator is that weight is promoted or decline; overcome gravity acting when promoting weight, for preventing the weight generation movement of falling object, weight is at the uniform velocity descended also will do (bearing) merit when weight descends; promptly promoting descends all wants consumed power, and energy consumption is bigger.This class mechanism, when promoting weight, has the heavy-load start characteristic, generally select the big bridge motor of moment of starting for use or lean on the generating capacity of expanded motor to realize, the hoisting crane that running velocity is high, elevator, it is good to play the brake request stationarity, so the general YZR of employing electrical motor is mixed the eddy current brake setting device or adopted the method for thyristor speed control to realize.For the luffing mechanism of whipping crane, topple over accident in order to prevent that brake failure from causing, also to set up safety devices such as ratchet device.
The purpose of this utility model provide a kind of energy-conservation, play the braking fixed full failure-free lifting drive that steadily, at the uniform velocity descends again.
To achieve these goals, when being promoted, weight advances freely, when weight descends, guarantee operation (promptly being no more than motor speed) in qualification speed, guarantee energy-conservation, play braking steadily, safe and reliable, the technological means that the present invention adopts is: adopt energy-conservation power-transfer clutch (or hydraulic coupler) to reduce cranking power, and reach starting pulsation-free purpose, because energy-conservation power-transfer clutch (or hydraulic coupler) belongs to non-rigid connection, if there is not suitable speed-limit device, will be out of control when weight descends, produce overspeed, even have an accident, so also need the speed limit actuating device.Design of the present utility model is by as shown in the formula realizing: a kind of lifting drive, comprise a drive motor, a drop-gear box, it is characterized in that also comprising that a hydraulic coupler and is located at the speed limit actuating device between hydraulic coupler and the drop-gear box, described speed limit actuating device comprises:
One shell;
One hub splines, it has the sleeve part and an axis part of a band inner spline gear, and the latter receives and transmits the power from hydraulic coupler;
One duplex spline housing, it comprises two cylindrical portions may that diameter is different, two parts are equipped with external spline teeth, the interior long key tooth engagement of one of them and hub splines; In addition, the central axocoel of small diameter cylinder part is provided with screw thread;
One overriding clutch, its outer hub and shell are connected, and rotating interior hub then is provided with inner spline gear;
The single piece type power-transfer clutch comprises some friction linings and antithesis sheet, and it is sheathed between the interior hub of roundlet tube partial sum overriding clutch of duplex spline housing;
One worm screw, the dead in line of axle among its axis and the hub splines, it comprises that a threaded section is connected with the thread helix with the central axocoel of duplex spline housing, cooperation is fixed in the nut of worm screw one end and is constituted a screw mechanism jointly; The other end of worm screw extends shell and serves as the drop-gear box input shaft;
One axle sleeve, it and worm screw, the axle sleeve section keyed jointing of helical segments side is in order to from side pushing and pressing lamella clutch.
One bearing part is sheathed between axle sleeve and the shell by the combination of above-mentioned member, can constitute a kind of braking steadily, the jacking system safe and reliable, that driving power is economized.
In addition, described hydraulic coupler also can be substituted by energy-conservation power-transfer clutch.
The utlity model has following advantage:
1. the saving driving power reduces starting current: can not influence the pressure drop of electrical network when therefore starting because of starting current too greatly, alleviate network load; When weight descended, because the effect of overriding clutch of the present invention, plate clutch and screw mechanism, electrical motor was no longer done negative work, only need overcome the friction force in each mechanism, can save 1/2nd driving power like this.
2. can select inexpensive squirrel cage motor for use: owing to adopted energy-conservation power-transfer clutch (or fluid power mixer), during the motor heavy-load start, be equivalent to starting under no load, this special machines with regard to not needing to select for use moment of starting very big just can save funds 1000-2000 unit (driving power is by 11 kilowatt meters) with regard to one in motor
3. saving speed regulation device: compare with the eddy-current braking speed regulation device, a cover eddy speed regulating device is wanted thousands of units at least, behind employing the utility model, just can reach braking pulsation-free purpose equally without speed regulation device.
4. cancelled drg, behind employing the present invention, established drg no longer in addition, a general cover drg needs hundreds of units approximately.
5. electric simplification: general actuating device will be joined eddy speed regulating device and drg, just need join corresponding electric elements, and the present invention just need not these electric elementss.
For further understanding the present invention, most preferred embodiment of the present invention is described in detail below in conjunction with accompanying drawing.Wherein:
Fig. 1 is an assembly drawing of the present utility model;
Fig. 2 partly cuts open figure for the structure of the utility model speed limit actuating device;
Fig. 3 is the cutaway view of speed limit actuating device shown in Figure 2 along I-I line;
Fig. 4 is the friction lining cutaway view;
Fig. 5 is an antithesis sheet cutaway view.
As shown in Figure 1, lifting drive of the present invention comprises a drive motor 1, a hydraulic coupler 2(or energy-conservation power-transfer clutch), a speed limit actuating device 3 and a worm gear reducer 4.The power of motor 1 is passed to speed limit actuating device 3 by hydraulic coupler 2, arrives drop-gear box then
Fig. 2 is a speed limit actuating device 3 for the utility model main portion, and as shown in the figure, this device has a hub splines 5, and it comprises the sleeve part 52 of an axis part 51 and a band inner spline gear 521, and the power that its axis 51 will transmit from hydraulic coupler 2 is received.With its inner spline gear 521 ingears are duplex spline housings 6, " protruding " shape of this member such as accumbency, include small one and large one two cylindrical portions may 61,62 of band external spline teeth 611,621, putting 521 ingears with hub splines 5 female spliness promptly is external spline teeth 611 on the bigger cylindrical portions may of diameter, and spiral is connected on the threaded helical segments 121 of a worm screw 12 this duplex spline housing 6 by the roundlet tube central authorities' axocoel that is provided with screw thread 64; The small diameter cylinder part 62 of duplex spline housing 6 is provided with the lamella clutch that comprises antithesis sheet 11 and friction lining 10, and the left and right sides of lamella clutch stops by wear-resistant 17 that is fixed on countersunkrivet 16 on axle sleeve 13 and two key spline housing 6 linkage sections 63 respectively.The lamella clutch top is provided with a special overriding clutch, but comprise one by baffle plate 20,21 and with the interior hub 9 of fixing outer hub 7, plurality of rollers 8 and the unidirectional rotation of shell, inner chamber of hub 9 is provided with some inner spline gears 91 in it, therefore by the external spline teeth 621 of the little cylindrical portions may 62 of the female splines 91 of hub in the overriding clutch 9 and duplex spline housing 6, the antithesis sheet 11 and the friction lining 10 that are evenly distributed with the complementary shape groove of spline tooth along circumferential edges can be sleeved between overriding clutch and the duplex spline housing 16 with moving axially.
One saturating lid 15 is socketed on cylindrical portions may 52 outside faces of hub splines 5 and by double-screw bolt 22 and pad 23 and is fixed on the shell 14.Be placed with an oil sealing 26 on the contact surface of saturating lid 15 and hub splines 5: in addition, also be provided with an O RunddichtringO 131 between the contact surface of axle sleeve 13 and shell 14, thereby speed-limit device inside constitutes salable device, contains in lubricating oil wherein the friction lining 10 of plate clutch, the friction level of antithesis sheet 11 are reduced.
As shown in Figure 3, the overriding clutch of band inner spline gear of the present utility model comprises the locating dowel pin 30 that is fixed in the outer hub 7, spring perch 31, spring 32, ejector pin 33 is special structure forms of up-to-date design, it and existing roller-type overrunning clutch have the difference of matter, the roller of existing roller-type overrunning clutch is located on the swivel, because the influence of centnifugal force, the rotating speed that it can bear is low, moment of torsion is little, be not suitable at a high speed, the occasion of big torque, roller 8 of the present utility model is located in the outer hub 7, be not subjected to the influence of centnifugal force, therefore can bearing high-speed cruising under the situation of big torque.
Fig. 4 is friction lining 10 cutaway views, it is circular, install on the little cylindrical portions may 62 of duplex spline housing by center through hole 101 covers, on the inner spline gear that is engaged to hub 9 in the overriding clutch of its outer fringe surface rectangular distribution fluted 102, thereby friction lining only can move axially and unlikely rotation.For strengthening its wear ability, scribble partial metallurgy layer 103 on its driving surface 102.
Fig. 5 cuts open figure for antithesis sheet 11, it is circular, by center through hole 111 and the cover install on the little cylindrical portions may 62 of duplex spline housing, the its inner rim surface is evenly distributed with and is the complementary shape groove 112 of spline tooth with on the external spline teeth that is engaged to the little cylindrical portions may 62 of duplex spline housing, only can move axially thereby antithesis sheet 11 and friction lining 10 are the same.
Now get back to Fig. 2, worm screw 12 comprise one with duplex spline housing 16 spiral bonded assembly helical segments 121, this screw thread is the strong Acme thread of bearing capacity, lay respectively at the axle sleeve section 122 of helical segments 121 left and right sides and be used for the spiral shell section 123 of nut admittedly, and extend the section 124 that constitutes the drop-gear box input shaft outside the speed-limit device.Worm screw 12 right-hand members are fixed a nut 18(by packing ring 24 and band wing packing ring 25 and are seen Fig. 2), constitute screw mechanisms with the screw thread 64 of the little cylindrical portions may 62 central axocoels of helical segments 121 and duplex spline housing 6 is common.
The principle of work of speed limit actuating device is following described (referring to Fig. 2):
(drive motor 1 positive movement is shown in arrow A among Fig. 2 when promoting weight, the hub splines 5 that links to each other with hydraulic coupler drives duplex spline housing 6 and rotates, because of thereby worm screw 12 motionless duplex spline housings 6 axially are moved to the left propelling, make the antithesis sheet 11 and friction lining 10 compressive engagement of plate clutch, on the one hand, the interior hub 9 that drives overriding clutch rotates, and axle sleeve 13 power transmissions simultaneously drive worm screw and rotate.This moment, the roller 8 of overriding clutch withdrawed from wedge, was equivalent to antifriction-bearing box and equally turned round; When motor was out of service, hub 9 entered inverted status in the by gravity, overriding clutch, and this moment, roller rolled under the spring force effect in the wedge immediately, stoped weight to descend, and played the purpose of weight braking (self-locking).When weight descended, drive motor should reverse, thereby with aforesaid opposite way lamella clutch was thrown off, and weight begins to descend under the deadweight effect, and motor turns around, and weight is with regard to the corresponding distance of a descending circle.If the weight descending speed surpasses the corresponding speed of motor, screw mechanism just produces and moves axially, and lamella clutch is compressed, until stop motion.Therefore when motor continuously reversed, weight can only move in the motor speed allowed band, will never produce overspeed phenomenon.This moment, the driving power of motor no longer was subjected to the influence of weight, and only need overcome the friction force of screw mechanism and lamella clutch, so the driving power of motor has just reduced widely.
The utility model is made overtesting at the rack-and-pinion lift, motor adopts 11 kilowatts of Y type squirrel-cage common motors, do not establish brake and eddy speed regulating device, it is quite steady to play braking, it is little to play streaming current, and not adding electric servicing unit can directly start, and does not also produce the overspeed phenomenon during decline, compare with former drive unit, every cost can reduce 2000-3000 unit. Quite significantly Social benefit and economic benefit is arranged.
Claims (9)
1, lifting drive comprises a drive motor 1, a drop-gear box 4, it is characterized in that also comprising a hydraulic coupler 2, and a speed limit actuating device 3 of being located between hydraulic coupler 2 and the drop-gear box 4, and described speed limit actuating device 3 comprises:
One shell 14;
One hub splines 5, it has the sleeve part 52 and an axis part 51 of a band inner spline gear 521;
One duplex spline housing 6, it comprises that two different cylindrical portions may 61,62, two parts of diameter are equipped with external spline teeth 611,621, wherein 611 with inner spline gear 521 engagement of hub splines 5; In addition, the central axocoel of small diameter cylinder part 62 is provided with screw thread 64;
One overriding clutch, its outer hub 7 and shell 14 are connected, and rotating interior hub 9 then is provided with inner spline gear 91;
The single piece type power-transfer clutch comprises some friction linings 10 and antithesis sheet 11, and it is sheathed between the interior hub 9 of the little cylindrical portions may 62 of duplex spline housing 6 and overriding clutch;
One worm screw 12, the dead in line of axle 51 among its axis and the hub splines 5, it comprises a threaded section 121 to be connected with screw thread 64 spirals of duplex spline housing 6 central axocoels, cooperates the nut 18 that is fixed in worm screw one end to constitute a screw mechanism; The other end of worm screw extends shell 14 and serves as the drop-gear box input shaft;
One axle sleeve 13, axle sleeve section 122 keyed jointings of it and screw rod 12 helical segments sides are in order to from side pushing and pressing lamella clutch.
One bearing part 19 is sheathed between axle sleeve 13 and the shell 14.
2, lifting drive as claimed in claim 1, it is characterized in that described speed limit actuating device 3 also comprises a saturating lid 15, it with hub splines 6 dynamic seals in shell 14, cover thoroughly 15 have one with the seal ring 26 of hub splines 5 cylindrical portions may 52 outside face sealing contacts.
3, device as claimed in claim 1 is characterized in that the linkage section 63 of described axle sleeve 13 and duplex spline housing 6 all is fixed with wear-resistant 17 that pushes against the lamella clutch both sides respectively with countersunkrivet 16.
4, device as claimed in claim 3 is characterized in that being embedded with an O RunddichtringO 131 between the contact surface of described axle sleeve 13 and shell 14.
5, device as claimed in claim 1, the screw thread that it is characterized in that described screw rod 12 helical segments 121 are the strong Acme thread of bearing capacity.
6, device as claimed in claim 1 is characterized in that scribbling partial metallurgy layer 103 on the running surface 102 of described friction lining 10.
7,, it is characterized in that described friction lining 10 and antithesis sheet 11 are provided with evenly spaced apart being on the external spline teeth 621 of the mutual shape groove 102,112 of spline point benefit with the inner spline gear that is fastened in hub 9 in the overriding clutch respectively and duplex spline housing 6 little cylindrical portions may 62 at outer rim and inner edge circumferential surface respectively as claim 1 or 6 described devices.
8, device as claimed in claim 1 is characterized in that outer hub 7 usefulness baffle plates 20,21 of described overriding clutch and shell 14 are fixing.
9, jacking system as claimed in claim 1 is characterized in that described hydraulic coupler 2 can substitute with energy-conservation power-transfer clutch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 89217153 CN2060162U (en) | 1989-09-18 | 1989-09-18 | Energy-saving retarding rise-and-fall driving device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 89217153 CN2060162U (en) | 1989-09-18 | 1989-09-18 | Energy-saving retarding rise-and-fall driving device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2060162U true CN2060162U (en) | 1990-08-08 |
Family
ID=4872459
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 89217153 Expired - Lifetime CN2060162U (en) | 1989-09-18 | 1989-09-18 | Energy-saving retarding rise-and-fall driving device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2060162U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100406369C (en) * | 2006-03-09 | 2008-07-30 | 武汉市黄陂新隆建筑机械有限公司 | Wheeled orbital super-speed clutch and its auxiliary friction braking safety device |
| CN103332625A (en) * | 2013-06-28 | 2013-10-02 | 湖南金拓机械有限公司 | Clutch braking device, winding machine comprising device and operation method of winding machine |
| CN104832573A (en) * | 2015-05-12 | 2015-08-12 | 中南大学 | Load braking device and lifting appliance applying same |
| CN114151281A (en) * | 2021-11-05 | 2022-03-08 | 上海风领新能源有限公司 | Wind power generation energy storage system and wind power generation energy storage method |
-
1989
- 1989-09-18 CN CN 89217153 patent/CN2060162U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100406369C (en) * | 2006-03-09 | 2008-07-30 | 武汉市黄陂新隆建筑机械有限公司 | Wheeled orbital super-speed clutch and its auxiliary friction braking safety device |
| CN103332625A (en) * | 2013-06-28 | 2013-10-02 | 湖南金拓机械有限公司 | Clutch braking device, winding machine comprising device and operation method of winding machine |
| CN103332625B (en) * | 2013-06-28 | 2015-10-07 | 钟发忠 | A kind of clutch brake and the winch and the method for operation thereof that comprise this device |
| CN104832573A (en) * | 2015-05-12 | 2015-08-12 | 中南大学 | Load braking device and lifting appliance applying same |
| CN104832573B (en) * | 2015-05-12 | 2017-12-26 | 中南大学 | Work brake apparatus and its lifting appliance of application |
| CN114151281A (en) * | 2021-11-05 | 2022-03-08 | 上海风领新能源有限公司 | Wind power generation energy storage system and wind power generation energy storage method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |