CN205838409U - A kind of grip friction formula overload clutch mechanism for rescuing winch - Google Patents
A kind of grip friction formula overload clutch mechanism for rescuing winch Download PDFInfo
- Publication number
- CN205838409U CN205838409U CN201620813076.0U CN201620813076U CN205838409U CN 205838409 U CN205838409 U CN 205838409U CN 201620813076 U CN201620813076 U CN 201620813076U CN 205838409 U CN205838409 U CN 205838409U
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- China
- Prior art keywords
- overload clutch
- price fixing
- moving plate
- overload
- axostylus axostyle
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Abstract
The utility model discloses a kind of grip friction formula overload clutch mechanism for rescuing winch, including the overload clutch Moving plate and the overload clutch price fixing that are set on same axostylus axostyle, and press the skidding fastening spring of outermost overload clutch price fixing, it is additionally provided with, outside described skidding fastening spring, the fixing device being interspersed in axostylus axostyle；Described axostylus axostyle wears at least two panels overload clutch price fixing, is equipped with a piece of overload clutch Moving plate between adjacent two panels overload clutch price fixing, and described overload clutch price fixing is connected with input, and overload clutch Moving plate is connected with outfan.This utility model carries out the transmission of power by the frictional force between overload clutch Moving plate and overload clutch price fixing, when the power of outfan transmission is more than the frictional force between two overload clutch dishes, skid, thus cut off the power transmission of motor, motor is avoided to be damaged because of overload, extending the service life of motor, also avoid cable wire excessive because of pull strength simultaneously, the flight to helicopter adversely affects.
Description
Technical field
This utility model relates to the overload protection device field rescuing electric winch, specifically refers to a kind of for rescuing winch
Grip friction formula overload clutch mechanism.
Background technology
Overload protection is as the term suggests the most i.e. load (load) exceeds a certain limit value, for machine maintenance and the safety of equipment
The protection carried out.
During helicopter rescue electric winch is rescued, if because external environment affects, or hoisting object quilt
Barrier blocks, and causes the pulling force of electric winch to transship, and the easily motor to electric winch causes bigger infringement, simultaneously also can shadow
Ring the skyborne normal flight of helicopter, bring bigger potential safety hazard for helicopter.So, rescue electric winch needs have
Overload protecting mechanism (i.e. overload clutch mechanism).
Utility model content
The purpose of this utility model is to provide a kind of for protecting electric winch motor, reduces helicopter rescue risk
The grip friction formula overload clutch mechanism for rescuing electric winch.
This utility model is achieved through the following technical solutions: a kind of grip friction formula overload clutch machine for rescuing winch
Structure, including being set on overload clutch Moving plate and the overload clutch price fixing of same axostylus axostyle, and presses outermost overload clutch price fixing
Skidding fastening spring, be additionally provided with, outside described skidding fastening spring, the fixing device being interspersed in axostylus axostyle；Described axostylus axostyle wear to
Few two panels overload clutch price fixing, is equipped with a piece of overload clutch Moving plate, described overload clutch between adjacent two panels overload clutch price fixing
Price fixing is connected with input, and overload clutch Moving plate is connected with outfan.
The operation principle of the technical program is, fixed structure applies an axial pre tightening force to crossing skidding fastening spring, makes to beat
Sliding fastening spring produces deformation, and together with overload clutch price fixing is adjacent to overload clutch Moving plate, power, through input input, made
Carry off conjunction price fixing to rotate, owing to being provided with the overload clutch Moving plate being fixed on output gear between adjacent overload clutch price fixing, therefore
By frictional force, overload clutch Moving plate is driven by overload clutch price fixing and rotates so that output gear rotates, for rising or
The cable wire declined provides power.
When cable wire is stuck, or when mentioning the transmission overload of overweight object, i.e. cable wire, the reverse torsion that cable wire provides is big
Frictional force between overload clutch price fixing and overload clutch Moving plate, occurs between overload clutch price fixing and overload clutch Moving plate to beat
Sliding, thus it is cut to the power that cable wire provides, the motor providing power is protected, it also avoid cable wire simultaneously and have influence on directly
Rise machine properly functioning.
In order to preferably realize this utility model, further, described input is input gear, and outfan is output gear
Wheel, described axostylus axostyle is fixed on output gear, and the axial line of axostylus axostyle overlaps with the axial line of output gear.
In order to this utility model is better achieved, further, described overload clutch price fixing includes the central layer at middle part, central layer
Edge is that ring array arrangement has at least one lug, lug and the card slot fit of setting on input gear with central layer axle center.Overload
It is to be embedded in fixing for overload clutch price fixing on input gear that clutch price fixing arranges the purpose of lug, preferred overload clutch here
The structure of price fixing is made up of the lug of central layer He its edge, and other can make overload clutch price fixing be fixed on the mechanism of input gear
All can choose.
In order to this utility model is better achieved, further, the core edges of described overload clutch price fixing is with central layer axle
The heart is that ring array arrangement has six lugs, the card slot fit being provided with input gear.In order to make overload clutch price fixing fixing-stable,
Uniform force, the lug of preferred overload clutch price fixing is six here.
In order to this utility model is better achieved, further, outside described output gear, it is provided with external splines, carries off with crossing
Close the external splines being provided with inside Moving plate to match.Being set to internal spline inside overload clutch Moving plate is to preferably be fixed on output
On gear, it is achieved overload clutch Moving plate and the synchronous axial system of output gear.
In order to this utility model is better achieved, further, described skidding fastening spring is cantilever flat spring structure, bag
Include the retainer ring at middle part, be evenly distributed at least two cantilever pawl along retainer ring, and outside being provided with output gear inside retainer ring
The internal spline that spline matches.Skidding fastening spring is fixed on the external splines of output gear by internal internal spline, and leads to
Cross cantilever pawl and compress outermost overload clutch price fixing.
In order to this utility model is better achieved, further, described outermost overload clutch price fixing and clamping of skidding
Being additionally provided with tabletting between spring, the cantilever pawl of described skidding fastening spring is placed in the groove that wafer surface is provided with, and skid folder
The cantilever pawl arm of tight spring, by extruding tabletting, compresses outermost overload clutch price fixing.At outermost overload clutch price fixing
And set up tabletting between skidding fastening spring, be to prevent skidding fastening spring to the extruding of outermost overload clutch price fixing
Causing damage, skidding fastening spring is by being fixed on cantilever pawl in the groove of tabletting, it is achieved the compression to overload clutch price fixing.
In order to this utility model is better achieved, further, it is additionally provided with outside described skidding fastening spring and is interspersed in axle
The fixing device of bar, described fixing device includes that locking nut, described locking nut are threadedly coupled to the axostylus axostyle of output gear, and
With skidding fastening spring close proximity.The effect of fixing device is the decrement making skidding fastening spring reach requirement, and will beat
Sliding fastening spring and overload clutch protection device fixedly secure on the axostylus axostyle of output gear, and wherein locking nut is solid by screw thread
Be scheduled on output gear axostylus axostyle, it is to avoid whole overload clutch and device because of loose and can not normal operation.
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.It is to when transmission, increase overload clutch price fixing and overload that both side surface at overload clutch price fixing sets up friction plate
Frictional force between clutch Moving plate, preferably carries out transmission, will not skid easily.
This utility model compared with prior art, has the following advantages and beneficial effect:
This utility model carries out the transmission of power by the frictional force between overload clutch Moving plate and overload clutch price fixing, when
The power of outfan transmission, more than the frictional force between two overload clutch dishes, is skidded, thus cuts off the power transmission of motor, keeps away
Exempt from motor to be damaged because of overload, extend the service life of motor, also avoid cable wire excessive because of pull strength, to going straight up to simultaneously
The flight of machine adversely affects.
Accompanying drawing explanation
By the detailed description non-limiting example made with reference to the following drawings of reading, other features of the present invention,
Purpose and advantage will be changed to substantially:
Fig. 1 is cross-sectional view of the present utility model.
Wherein: 1 input gear, 2 skidding fastening springs, 3 tablettings, 4 overload clutch price fixings, 5 output gears,
6 overload clutch Moving plates, 7 locking nuts.
Detailed description of the invention
Of the present utility model embodiment is described below in detail, and the example of described embodiment is shown in the drawings, the most ad initio
Represent same or similar element to same or similar label eventually or there is the element of same or like function.Below by ginseng
It is exemplary for examining the embodiment that accompanying drawing describes, and 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 ", " longitudinally ", " laterally ", " on ", D score,
Orientation or the position relationship of the instruction such as "front", "rear", "left", "right", " vertically ", " level ", " top ", " end ", " interior ", " outward " 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
Hint indication device or element must have specific orientation, with specific azimuth configuration and operation, be not understood that
For 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 ", should be interpreted broadly " being connected ", " connection ", for example, it may be fix connection, it is also possible to be to removably connect, or integratedly
Connect；Can be to be mechanically connected, it is also possible to be electrical connection；Can also be to be joined directly together, it is also possible to be indirect by intermediary
It is connected, can be the connection of two element internals.For the ordinary skill in the art, can be with in concrete condition understanding
State term concrete meaning in this utility model.
Embodiment 1:
The primary structure of the present embodiment, as it is shown in figure 1, include overload clutch Moving plate 6 and the overload being set on same axostylus axostyle
Clutch price fixing 4, and press the skidding fastening spring 2 of outermost overload clutch price fixing 4, described skidding fastening spring 2 is outside also
It is provided with the fixing device being interspersed in axostylus axostyle；Described axostylus axostyle wears at least two panels overload clutch price fixing 6, and adjacent two panels overload clutch is fixed
Being equipped with a piece of overload clutch Moving plate 6 between dish 4, described overload clutch price fixing 4 is connected with input, and overload clutch Moving plate 6 is with defeated
Go out end to connect.
Wherein, described input is input gear 1, and outfan 5 is output gear 5, and described axostylus axostyle is fixed on output gear 5
On, and the axial line of axostylus axostyle overlaps with the axial line of output gear 5.
The present embodiment detailed description of the invention, the motor of rescue electric winch supplies power to input gear 1, input gear 1
Rotate and drive the overload clutch price fixing 4 being fixed on input gear 1 to rotate, being provided with between adjacent overload clutch price fixing 4 and be fixed on
The overload clutch Moving plate 6 of output gear 5, is arranged on the skidding fastening spring 2 of outermost both sides overload clutch price fixing 4 by overload clutch
Moving plate 6 and overload clutch price fixing 4 mutually press together so that it is closely compress, and carry when overload clutch price fixing 4 is transfused to gear 1
Time dynamic, by frictional force, overload clutch Moving plate 6 is driven rotation by overload clutch price fixing 4, so that output gear 7 rotates,
Cable wire for rising or falling provides power.
When cable wire is stuck, or when mentioning the transmission overload of overweight object, i.e. cable wire, the reverse torsion that cable wire provides is big
Frictional force between overload clutch price fixing 4 and overload clutch Moving plate 6, makes between overload clutch price fixing 4 and overload clutch Moving plate 6
Skid, thus be cut to the power that cable wire provides, the motor providing power is protected, it also avoid cable wire shadow simultaneously
That rings to helicopter is properly functioning.
Embodiment 2:
The present embodiment, on the basis of above-described embodiment, further defines overload clutch price fixing 4 and overload clutch Moving plate 6
Structure, the core edges of described overload clutch price fixing 4 is that ring array arrangement has six lugs, with input gear with central layer axle center
The card slot fit that 1 is provided with；Described output gear 5 is outside is provided with external splines, the external splines phase that be provided with internal with overload clutch Moving plate 6
Coordinate；The both side surface of described overload clutch price fixing 4 is equipped with friction plate.
It is to be embedded in fixing for overload clutch price fixing 4 on input gear that overload clutch price fixing 4 arranges the purpose of lug, this
In the structure of preferred overload clutch price fixing be made up of the lug of central layer He its edge, other can make overload clutch price fixing be fixed on
The mechanism of input gear 5 all can choose；In order to make overload clutch price fixing 5 fixing-stable, uniform force, here preferred overload clutch
The lug of price fixing 5 is six.
It is to preferably be fixed on output gear 5 that overload clutch Moving plate 6 inside is set to internal spline, it is achieved overload clutch
Moving plate 6 and output gear 5 synchronous axial system.
It is in order to when transmission that both side surface at overload clutch price fixing 4 sets up friction plate, increase overload clutch price fixing 4 with
Frictional force between overload clutch Moving plate 6, preferably carries out transmission, will not skid easily.
Other parts of the present embodiment are same as the previously described embodiments, repeat no more here.
Embodiment 3:
The present embodiment further defines the structure of skidding fastening spring 2, and skidding fastening spring 2 transships with outermost
Relation between clutch price fixing 5.Described skidding fastening spring 2 is cantilever flat spring structure, including the retainer ring at middle part, along fixing
Ring is evenly distributed at least two cantilever pawl, and is provided with the internal spline matched with output gear 5 external splines inside retainer ring；Institute
State and between outermost overload clutch price fixing 4 and skidding fastening spring 2, be additionally provided with tabletting 3, the cantilever of described skidding fastening spring 2
Pawl is placed in the groove that tabletting 3 surface is provided with, and the cantilever pawl of skidding fastening spring 2, by extruding tabletting, compresses outermost
Overload clutch price fixing 4.
Between outermost overload clutch price fixing 4 and skidding fastening spring 2, set up tabletting 3, be to prevent the folder that skids
The extruding of outermost overload clutch price fixing 4 is caused damage by tight spring 2, and skidding fastening spring 2 is by being fixed on cantilever pawl
In the groove of tabletting 3, it is achieved the compression to overload clutch price fixing 4.
Other parts of the present embodiment are same as the previously described embodiments, repeat no more here.
Embodiment 4:
The present embodiment is on the basis of above-described embodiment, further, defines the concrete structure of fixing device, described solid
Determine device and include that locking nut 7, described locking nut 7 are threadedly coupled to the axostylus axostyle of output gear 5, and with skidding fastening spring 2
Close proximity.The effect of fixing device is to make skidding fastening spring 2 that platen 3 to provide enough normal pressure, and skidding is clamped
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 are threadedly secured on output gear 5 axostylus axostyle, it is to avoid whole overload clutch mechanism because of loose and can not normal operation.This reality
Execute other parts of example same as the previously described embodiments, 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 operation principle and the work process of output gear 5 parts such as grade, and is well known to those skilled in the art,
The most no longer it is described in detail.
Embodiment the most of the present utility model, it will be understood by those skilled in the art that:
Under without departing from principle of the present utility model and objectives, these embodiments can be carried out multiple change, revise, replace and modification,
Scope of the present utility model is limited by claim and equivalent thereof.
Claims (9)
1. one kind for rescuing the grip friction formula overload clutch mechanism of winch, it is characterised in that: include being set on same axostylus axostyle
Overload clutch Moving plate (6) and overload clutch price fixing (4), and press outermost overload clutch price fixing (4) skidding clamping bullet
Spring (2), described skidding fastening spring (2) is outside is additionally provided with the fixing device being interspersed in axostylus axostyle；Described axostylus axostyle wears at least two panels
Overload clutch price fixing (4), is equipped with a piece of overload clutch Moving plate (6) between adjacent two panels overload clutch price fixing (4), described mistake carries off
Closing price fixing (4) to be connected with input, overload clutch Moving plate (6) is connected with outfan.
A kind of grip friction formula overload clutch mechanism for rescuing winch the most according to claim 1, it is characterised in that:
Described input is input gear (1), and outfan (5) is output gear (5), and described axostylus axostyle is fixed on output gear (5), and
The axial line of axostylus axostyle overlaps with the axial line of output gear (5).
A kind of grip friction formula overload clutch mechanism for rescuing winch the most according to claim 2, it is characterised in that:
Described overload clutch price fixing (4) includes the central layer at middle part, and core edges is that ring array arrangement has at least one convex with central layer axle center
Sheet, the lug card slot fit that arrange upper with input gear (1).
A kind of grip friction formula overload clutch mechanism for rescuing winch the most according to claim 3, it is characterised in that:
The core edges of described overload clutch price fixing (4) is that ring array arrangement has six lugs with central layer axle center, sets with input gear (1)
Some card slot fit.
5., according to a kind of grip friction formula overload clutch mechanism for rescuing winch described in Claims 2 or 3 or 4, it is special
Levying and be: described output gear (5) is outside is provided with external splines, the external splines that be provided with internal with overload clutch Moving plate (6) matches.
A kind of grip friction formula overload clutch mechanism for rescuing winch the most according to claim 5, it is characterised in that:
Described skidding fastening spring (2) is cantilever flat spring, including the retainer ring at middle part, is evenly distributed at least two along retainer ring and hangs
Arm pawl, and inside retainer ring, it is provided with the internal spline matched with output gear (5) external splines.
A kind of grip friction formula overload clutch mechanism for rescuing winch the most according to claim 6, it is characterised in that:
Tabletting (3), the described clamping bullet that skids it is additionally provided with between described outermost overload clutch price fixing (4) and skidding fastening spring (2)
The cantilever pawl of spring (2) is placed in the groove that tabletting (3) surface is provided with, and the cantilever pawl of skidding fastening spring (2) is pressed by extruding
Sheet, compresses outermost overload clutch price fixing (4).
8. according to a kind of grip friction formula overload clutch mechanism for rescuing winch described in any one of claim 1 ~ 4, its
It is characterised by: described fixing device includes that locking nut (7), described locking nut (7) are threadedly coupled to the axle of output gear (5)
Bar, and with skidding fastening spring (2) close proximity.
9. according to a kind of grip friction formula overload clutch mechanism for rescuing winch described in any one of claim 1 ~ 4, its
It is characterised by: the both side surface of described overload clutch price fixing (4) is equipped with friction plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620813076.0U CN205838409U (en) | 2016-07-30 | 2016-07-30 | A kind of grip friction formula overload clutch mechanism for rescuing winch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620813076.0U CN205838409U (en) | 2016-07-30 | 2016-07-30 | A kind of grip friction formula overload clutch mechanism for rescuing winch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205838409U true CN205838409U (en) | 2016-12-28 |
Family
ID=57641831
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620813076.0U Active CN205838409U (en) | 2016-07-30 | 2016-07-30 | A kind of grip friction formula overload clutch mechanism for rescuing winch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205838409U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108534998A (en) * | 2017-03-03 | 2018-09-14 | 古德里奇公司 | Rescue the automatic test of the overload protection arrangement in winch |
| CN112551402A (en) * | 2020-11-24 | 2021-03-26 | 冯志勇 | Hoisting mechanism of crane |
| CN113058172A (en) * | 2021-04-19 | 2021-07-02 | 福建省特种设备检验研究院 | Sliding rope remote rescue device and use method thereof |
-
2016
- 2016-07-30 CN CN201620813076.0U patent/CN205838409U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108534998A (en) * | 2017-03-03 | 2018-09-14 | 古德里奇公司 | Rescue the automatic test of the overload protection arrangement in winch |
| CN108534998B (en) * | 2017-03-03 | 2021-04-30 | 古德里奇公司 | Automatic testing of overload protection devices in rescue winches |
| CN112551402A (en) * | 2020-11-24 | 2021-03-26 | 冯志勇 | Hoisting mechanism of crane |
| CN113058172A (en) * | 2021-04-19 | 2021-07-02 | 福建省特种设备检验研究院 | Sliding rope remote rescue device and use method thereof |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |