CN205916933U - A dish spring clamping friction -tight formula overload clutching mechanism for rescuing winch - Google Patents
A dish spring clamping friction -tight formula overload clutching mechanism for rescuing winch Download PDFInfo
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- CN205916933U CN205916933U CN201620813059.7U CN201620813059U CN205916933U CN 205916933 U CN205916933 U CN 205916933U CN 201620813059 U CN201620813059 U CN 201620813059U CN 205916933 U CN205916933 U CN 205916933U
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- overload clutch
- overload
- axostylus axostyle
- protection device
- price fixing
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Abstract
The utility model discloses a dish spring clamping compact form overload clutching mechanism of rescue winch, including the axostylus axostyle, axostylus axostyle one end is equipped with the power input, and the other end is equipped with the power take off end, and it has the overload separation and reunion protection device who carries out overload protection through skidding still to wear to overlap on it, the separation and reunion protection device that transships includes the mechanism of skidding, and inseparable laminating the in one side or both sides of the mechanism of skidding there is belleville spring, the belleville spring outside still is equipped with the locking structure of interlude at the axostylus axostyle. The utility model discloses a transmission axostylus axostyle axle is set up and is transshipped separation and reunion protection device, is greater than the maximum load power of transshipping separation and reunion protection device when the power of power take off end transmission, then transships the mechanism's action of skidding among the separation and reunion protection device, makes its emergence skid, cuts off the power transmission of motor, and to avoid electrical takes place to damage because of transshipping, has lengthened the life of motor, also avoids the cable wire too big because of traction force simultaneously, leads to the fact adverse effect to the flight of helicopter.
Description
Technical field
This utility model is related to rescue the overload protection device field of electric winch, specifically refers to one kind and is used for rescuing winch
Disc spring grip friction formula overload clutch mechanism.
Background technology
Overload protection as the term suggests i.e. load (load) beyond a certain limit value, in order to machine maintenance and equipment safety and
The protection carrying out.During helicopter rescue electric winch is rescued, if because of external environment impact, or hoisting object
Blocked by barrier, lead to the pulling force of electric winch to transship, easily larger infringement is caused to the motor of electric winch, also can simultaneously
The impact skyborne normal flight of helicopter, is that helicopter brings larger potential safety hazard.So, rescue electric winch needs tool
There is overload protecting mechanism (i.e. overload clutch mechanism).
Utility model content
The purpose of this utility model be to provide a kind of for protecting electric winch motor, reduce helicopter rescue risk
The disc spring clamped-in style overload clutch mechanism for rescuing electric winch.
A kind of disc spring grip friction formula overload clutch mechanism for rescuing winch, including axostylus axostyle, described axostylus axostyle one end sets
Dynamic input, the other end is provided with clutch end, is also coated with thereon by the overload clutch carrying out overload protection that skids
Protection device, described overload clutch protection device includes sliding mechanism, and the one or both sides of sliding mechanism are closely fitted with dish
Spring, is additionally provided with the locking mechanism being interspersed in axostylus axostyle outside described disk spring.
The operation principle of the technical program is that locking mechanism applies an axial pre tightening force to overload clutch protection device, makes
Disk spring produces deformation, and the sliding mechanism in overload clutch protection device does not occur action, thus will be driven for the power of motor
Power input is transferred to clutch end, rescues, for helicopter, the power that electric winch offer rises or falls.
When cable wire is stuck, or lift overweight object, that is, during the transmission overload of cable wire, the reverse torsion that cable wire provides is big
Frictional force between overload clutch price fixing and overload clutch Moving plate, now the sliding mechanism in overload clutch protection device is dynamic
Make, skid, the power of cable wire offer is provided, the motor providing power is protected, it also avoid cable wire shadow simultaneously
Ring the normal operation to helicopter.
In order to this utility model is better achieved, further, described power intake is input gear, clutch end
For output gear, described output gear center is fixed on axostylus axostyle one end, and with axostylus axostyle in integrative-structure, input gear is socketed in axle
On bar.
In order to this utility model is better achieved, further, the sliding mechanism of described overload clutch protection device includes
At least two panels overload clutch price fixing, is provided with a piece of overload clutch Moving plate, outermost both sides mistake between adjacent two panels overload clutch price fixing
Carry off conjunction price fixing and be all closely fitted with disk spring, described overload clutch price fixing is connected with power intake, overload clutch Moving plate
It is connected with clutch end.
In order to this utility model is better achieved, further, the core edges of described overload clutch price fixing are with central layer axle
The heart has six lugs in ring array arrangement, the draw-in groove cooperation being provided with input gear, is provided with external splines outside described output gear,
Match with the external splines being provided with inside overload clutch Moving plate.The purpose that overload clutch price fixing arranges lug is to be carried off in order to excessively
Close price fixing fixation to be embedded on input gear, the structure of preferably overload clutch price fixing is made up of the lug of central layer and its edge here,
Other can make the mechanism that overload clutch price fixing is fixed on input gear all can choose.In order that overload clutch price fixing is fixed stably
Determine, uniform force, the lug of preferably overload clutch price fixing is six here
In order to this utility model is better achieved, further, described outermost overload clutch price fixing and disk spring
Between be additionally provided with tabletting, the outer ring of disk spring is placed in the groove of tabletting.In outermost overload clutch price fixing and dish-shaped bullet
Set up tabletting between spring, be the dish-shaped bullet in order to prevent disk spring from the extruding of outermost overload clutch price fixing is caused damage
The outer ring of spring is fixed in the groove of tabletting, realizes the compression to overload clutch price fixing.
In order to this utility model is better achieved, further, the both side surface of described overload clutch price fixing is equipped with and rubs
Pad.Setting up friction plate in the both side surface of overload clutch price fixing is to, during in transmission, increase overload clutch price fixing and overload
Frictional force between clutch Moving plate, is preferably driven, and will not skid easily.
In order to this utility model is better achieved, further, described locking mechanism includes locking nut, described locking screw
Box thread is connected to axostylus axostyle side, and with disk spring close proximity.The effect of locking mechanism is to make disk spring reach requirement
Decrement, and disk spring and overload clutch protection device are fixedly secured on the axostylus axostyle of output gear, wherein locking screw
Mother is threadedly secured on output gear axostylus axostyle, it is to avoid whole overload clutch and device are unable to normal operation because loose.
This utility model compared with prior art, has advantages below and a beneficial effect:
(1) this utility model sets up overload clutch protection device by transmission shaft lever axle, when the power of clutch end transmission
More than the maximum load power of overload clutch protection device, then the sliding mechanism action in overload clutch protection device is so as to occur
Skid, the power transmission of cut-out motor, it is to avoid motor is damaged because of overload, extends the service life of motor, simultaneously
Avoid cable wire excessive because of pull strength, the flight to helicopter adversely affects；
(2) this utility model, by using disk spring as holddown spring, can avoid holddown spring fixed conveyor
On axle, only compressed by disk spring outline, and disk-shape spring structure is relatively easy, manufacturing cost is relatively low.
Brief description
The detailed description with reference to the following drawings, non-limiting example made by reading, other features of the present invention,
Objects and advantages will be changed to substantially:
Fig. 1 is structural representation of the present utility model.
Wherein: 1 input gear, 2 disk springs, 3 tablettings, 4 overload clutch price fixings, 5 output gears, 6
Overload clutch Moving plate, 7 locking nuts.
Specific embodiment
Embodiment of the present utility model is described below in detail, the example of described embodiment is shown in the drawings, wherein ad initio
To the element that same or similar label represents same or similar element or has same or like function eventually.Below by ginseng
The embodiment examining Description of Drawings is exemplary, is only used for explaining this utility model, and it is not intended that to of the present utility model
Limit.
In description of the present utility model it is to be understood that term " " center ", " longitudinal ", " horizontal ", " on ", D score,
The orientation of instruction such as "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outward " or position relationship are
Based on orientation shown in the drawings or position relationship, it is for only for ease of description this utility model and simplifies description, rather than instruction
Or the hint device of indication or element must have specific orientation, with specific azimuth configuration and operation, be not therefore understood that
It is to restriction of the present utility model.
In description of the present utility model, it should be noted that unless otherwise clearly defined and limited, term " peace
Dress ", " being connected ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or integratedly
Connect；Can be to be mechanically connected or electrically connect；Can also be to be joined directly together or indirect by intermediary
It is connected, can be the connection of two element internals.For the ordinary skill in the art, can be with concrete condition understanding
State concrete meaning in this utility model for the term.
Embodiment 1:
The primary structure of the present embodiment, as shown in figure 1, including axostylus axostyle, described axostylus axostyle one end is provided with power intake, another
End is provided with clutch end, is also coated with thereon by the overload clutch protection device carrying out overload protection of skidding, described overload
Clutch protective device includes sliding mechanism, and the one or both sides of sliding mechanism are closely fitted with disk spring 2, described disk spring
It is additionally provided with the locking mechanism being interspersed in axostylus axostyle outside 2.
Wherein, described power intake is input gear 1, and clutch end is output gear 5, in described output gear 5
The heart is fixed on axostylus axostyle one end, and is in integrative-structure with axostylus axostyle, and input gear 1 is socketed on axostylus axostyle.
Specific implementation process is that the motor of rescue electric winch supplies power to input gear 1, and input gear 1 rotates simultaneously
Axostylus axostyle is driven to rotate, overload clutch protection device at axostylus axostyle for the power is transferred to output gear 5, then through output gear 5
Cable wire for rising or falling provides power.
When cable wire is stuck, or lift overweight object, that is, during the transmission overload of cable wire, the reverse torsion that cable wire provides is big
When the maximum load of overload clutch protection device, the sliding mechanism action of overload clutch protection device, it is allowed to occur skidding to cut
Break the power providing for cable wire, the motor providing power is protected, it also avoid cable wire simultaneously and just having influence on helicopter
Often run
Embodiment 2:
The present embodiment further defines the concrete structure of overload clutch protection device on the basis of above-described embodiment,
As shown in figure 1, the sliding mechanism of described overload clutch protection device includes at least two panels overload clutch price fixing 4, adjacent two panels mistake
Carry off and be provided with a piece of overload clutch Moving plate 6 between conjunction price fixing 4, outermost both sides overload clutch price fixing 4 is all closely fitted with dish-shaped bullet
Spring 2, described overload clutch price fixing 4 is connected with power intake, and overload clutch Moving plate 6 is connected with clutch end；Described overload
The core edges of clutch price fixing 4 have six lugs with central layer axle center in ring array arrangement, and the draw-in groove being provided with input gear 1 is joined
Close, be provided with external splines outside described output gear 5, match with the internal spline being provided with inside overload clutch Moving plate 6；Described outermost
It is additionally provided with tabletting 3, the outer ring of disk spring 2 is placed in the groove of tabletting 3 between the overload clutch price fixing 4 of side and disk spring 2；
The both side surface of described overload clutch price fixing 4 is equipped with friction plate.
The purpose that overload clutch price fixing 4 arranges lug is to be embedded in overload clutch price fixing 4 fixation on input gear, this
In the structure of preferably overload clutch price fixing be made up of the lug of central layer and its edge, other can make overload clutch price fixing be fixed on
The mechanism of input gear 5 all can choose；In order that overload clutch price fixing 5 fixing-stable, uniform force, preferred overload clutch here
The lug of price fixing 5 is six.
Being set to internal spline inside overload clutch Moving plate 6 is to preferably be fixed on output gear 5, realizing overload clutch
Moving plate 6 and output gear 5 synchronous axial system.
The both side surface of overload clutch price fixing 4 set up friction plate be in order to during in transmission, increase overload clutch price fixing 4 with
Frictional force between overload clutch Moving plate 6, is preferably driven, and will not skid easily.
Sliding mechanism species in overload clutch protection device is a lot, such as the friction-type sliding mechanism of overload clutch disk, steel
Bead is crossed and is carried off slope climbing type sliding mechanism etc., and the overload clutch mechanism being capable of skidding all can choose, and selects in the present embodiment
The friction-type sliding mechanism carrying clutch discs is as being embodied as mechanism.
The present embodiment other parts are same as the previously described embodiments, repeat no more here.
Embodiment 3:
The present embodiment, on the basis of above-described embodiment, further, defines the concrete structure of locking mechanism, described lock
Locking structure includes locking nut 7, and described locking nut 7 is threadedly coupled to the axostylus axostyle of output gear 5, and tight with disk spring 2
Connect.The effect of locking mechanism is the decrement making disk spring 2 reach requirement, and by disk spring 2, overload clutch price fixing 4,
And overload clutch Moving plate 6 fixedly secures on the axostylus axostyle of output gear 5, wherein locking nut 7 is threadedly secured to export
On gear 5 axostylus axostyle, it is to avoid whole overload clutch mechanism is unable to normal operation because loose.The present embodiment other parts and above-mentioned reality
Apply example identical, repeat no more here.
It is understood that according to the overload clutch mechanism structure of one embodiment of this utility model, such as input gear 1
It is all prior art with the operation principle of output gear 5 grade part and work process, and be well known to those skilled in the art,
Here just no longer it is described in detail.
While there has been shown and described that embodiment of the present utility model, it will be understood by those skilled in the art that:
Multiple changes, modification, replacement and modification can be carried out to these embodiments under without departing from principle of the present utility model and objective,
Scope of the present utility model is limited by claim and its equivalent.
Claims (7)
1. a kind of disc spring grip friction formula overload clutch mechanism for rescuing winch it is characterised in that: include axostylus axostyle, described axle
Bar one end is provided with power intake, and the other end is provided with clutch end, is also coated with thereon and carries out overload protection by skidding
Overload clutch protection device, described overload clutch protection device includes sliding mechanism, and the one or both sides of sliding mechanism are closely pasted
Conjunction has disk spring (2), is additionally provided with, outside described disk spring (2), the locking mechanism being interspersed in axostylus axostyle.
2. a kind of disc spring grip friction formula overload clutch mechanism for rescuing winch according to claim 1, its feature
It is: described power intake is input gear (1), clutch end is output gear (5), described output gear (5) center
It is fixed on axostylus axostyle one end, and is in integrative-structure with axostylus axostyle, input gear (1) is socketed on axostylus axostyle.
3. a kind of disc spring grip friction formula overload clutch mechanism for rescuing winch according to claim 2, its feature
It is: the sliding mechanism of described overload clutch protection device includes at least two panels overload clutch price fixing (4), adjacent two panels is crossed and carried off
Close and be provided with a piece of overload clutch Moving plate (6) between price fixing (4), outermost both sides overload clutch price fixing (4) are all closely fitted with dish
Spring (2), described overload clutch price fixing (4) is connected with power intake, and overload clutch Moving plate (6) is connected with clutch end.
4. a kind of disc spring grip friction formula overload clutch mechanism for rescuing winch according to claim 3, its feature
It is: the core edges of described overload clutch price fixing (4) have six lugs with central layer axle center in ring array arrangement, with input gear
(1) the draw-in groove cooperation being provided with, described output gear (5) outside is provided with external splines, outer with what overload clutch Moving plate (6) inside was provided with
Spline matches.
5. a kind of disc spring grip friction formula overload clutch mechanism for rescuing winch according to claim 3, its feature
It is: it is additionally provided with tabletting (3) between described outermost overload clutch price fixing (4) and disk spring (2), disk spring (2)
Outer ring is placed in the groove of tabletting (3).
6. a kind of disc spring grip friction formula overload clutch mechanism for rescuing winch according to claim 3, its feature
It is: the both side surface of described overload clutch price fixing (4) is equipped with friction plate.
7. a kind of disc spring grip friction formula overload clutch mechanism for rescuing winch according to claim 1 and 2, it is special
Levy and be: described locking mechanism includes locking nut (7), described locking nut (7) is threadedly coupled to axostylus axostyle side, and with dish
Spring (2) close proximity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620813059.7U CN205916933U (en) | 2016-07-30 | 2016-07-30 | A dish spring clamping friction -tight formula overload clutching mechanism for rescuing winch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620813059.7U CN205916933U (en) | 2016-07-30 | 2016-07-30 | A dish spring clamping friction -tight formula overload clutching mechanism for rescuing winch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205916933U true CN205916933U (en) | 2017-02-01 |
Family
ID=57873731
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620813059.7U Active CN205916933U (en) | 2016-07-30 | 2016-07-30 | A dish spring clamping friction -tight formula overload clutching mechanism for rescuing winch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205916933U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107504089A (en) * | 2017-10-10 | 2017-12-22 | 北京汽车研究总院有限公司 | The protection device and there is its vehicle that a kind of vehicle traction semiaxis overloads |
| CN108639395A (en) * | 2018-07-04 | 2018-10-12 | 中国工程物理研究院总体工程研究所 | Human centrifuge's overload protection arrangement |
| CN109350440A (en) * | 2018-11-19 | 2019-02-19 | 常州市第人民医院 | Medical examination chair |
| CN112372353A (en) * | 2020-11-13 | 2021-02-19 | 汉刚机械(南京)有限公司 | Transmission mechanism of numerical control vertical machining center |
| CN112984764A (en) * | 2021-03-16 | 2021-06-18 | 广州松下空调器有限公司 | Air conditioner panel driving device and air conditioner |
-
2016
- 2016-07-30 CN CN201620813059.7U patent/CN205916933U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107504089A (en) * | 2017-10-10 | 2017-12-22 | 北京汽车研究总院有限公司 | The protection device and there is its vehicle that a kind of vehicle traction semiaxis overloads |
| CN108639395A (en) * | 2018-07-04 | 2018-10-12 | 中国工程物理研究院总体工程研究所 | Human centrifuge's overload protection arrangement |
| CN109350440A (en) * | 2018-11-19 | 2019-02-19 | 常州市第人民医院 | Medical examination chair |
| CN112372353A (en) * | 2020-11-13 | 2021-02-19 | 汉刚机械(南京)有限公司 | Transmission mechanism of numerical control vertical machining center |
| CN112984764A (en) * | 2021-03-16 | 2021-06-18 | 广州松下空调器有限公司 | Air conditioner panel driving device and air conditioner |
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