CN106438740A - Coupling sleeve, assembly method of coupling sleeve and safety coupling - Google Patents
Coupling sleeve, assembly method of coupling sleeve and safety coupling Download PDFInfo
- Publication number
- CN106438740A CN106438740A CN201611103456.6A CN201611103456A CN106438740A CN 106438740 A CN106438740 A CN 106438740A CN 201611103456 A CN201611103456 A CN 201611103456A CN 106438740 A CN106438740 A CN 106438740A
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- Prior art keywords
- coupling sleeve
- oil
- coupling
- sleeve
- power transmission
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- 230000008878 coupling Effects 0.000 title claims abstract description 125
- 238000010168 coupling process Methods 0.000 title claims abstract description 125
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 125
- 238000000034 method Methods 0.000 title claims abstract description 11
- 230000005540 biological transmission Effects 0.000 claims description 47
- 239000000945 filler Substances 0.000 claims description 16
- 238000007789 sealing Methods 0.000 claims description 15
- 239000000446 fuel Substances 0.000 claims description 12
- 238000010276 construction Methods 0.000 claims description 5
- 238000009826 distribution Methods 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims description 3
- 239000003921 oil Substances 0.000 description 115
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000009347 mechanical transmission Effects 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D7/00—Slip couplings, e.g. slipping on overload, for absorbing shock
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D9/00—Couplings with safety member for disconnecting, e.g. breaking or melting member
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2300/00—Special features for couplings or clutches
- F16D2300/12—Mounting or assembling
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Details Of Gearings (AREA)
Abstract
The invention provides a connecting sleeve, an assembling method of the connecting sleeve and a safety coupling, wherein the connecting sleeve comprises a body, the body is provided with a shaft hole, two or more oil cavities which are symmetrically distributed around the axis of the shaft hole and are mutually independent are arranged inside the inner wall surface of the shaft hole, the surface of one side of the inner wall surface of each oil cavity, which is close to the shaft hole, is an arc surface, a thin-wall structure with equal thickness is formed between the arc surface and the inner wall surface of the shaft hole, and each oil cavity is communicated with the outside through an oil filling hole arranged on the body; preferably, one end of the body is provided with a flange connection part for connection with a flange structure. Compared with the prior art that the safety coupling adopts the oil cavity which is annular as a whole, the safety coupling provided by the invention uses the coupling sleeve with the plurality of independent oil cavities, and the torque precision is easier to control.
Description
Technical field
The invention belongs to mechanical transmission component technical field, more particularly, to a kind of coupling sleeve, the assembly method of coupling sleeve and
Safety coupling.
Background technology
Safety coupling plays torque protection effect in drive system.When causing moment of torsion to exceed carrying energy due to equipment fault
During power, by safety coupling cutting function, cut off the bang path of moment of torsion, protect relevant device.
Current safety coupling, such as CN2192762Y are disclosed " hydraulic safety coupling ", and its oil pocket (3c) is one
The cylindrical structure of individual entirety.The construction featuress of the safety coupling of prior art, make safety coupling in the moment of torsion mistake of transmission
Problem of both producing when big：
1) working range of safety coupling is affected by hydraulic pressure and mechanical two aspects, and deviation can increase.Operation torque is excessive,
The oil pressure needing increases, and oil chamber volume increases.Excessive oil mass and oil pocket make the pressure distribution of oil uneven, cause operation torque to produce
Raw relatively large deviation.
2) moment of torsion of safety coupling is excessive, also leads to the moment of torsion of safety coupling to be difficult to be demarcated；For example：It is assumed that peace
The maximum working torque of full shaft coupling is 20MN.m, and torque test stand operation torque is 15MN.m, just makes under such circumstances
Obtain torque test stand the moment of torsion of safety coupling cannot be demarcated.
Content of the invention
Embodiments provide a kind of coupling sleeve, the assembly method of coupling sleeve and safety coupling, solve safety and join
Oil pocket internal oil pressure skewness when axial organ moment of torsion is excessive, and difficult problem is demarcated to moment of torsion.
A kind of first aspect, there is provided coupling sleeve, including body, body has axis hole, and described axis hole is used for being socketed in biography
On moving axis, and described axis hole and the cooperation of described power transmission shaft, the inside of the internal face of described axis hole be provided with two or two with
On around the axisymmetrical distribution of described axis hole and separate oil pocket, described oil pocket near the surface of described axis hole side is
Form thin-wall construction, each described oil pocket is arranged on this by one respectively between cambered surface, and cambered surface and the internal face of axis hole
Oil filler point on body and ft connection.
Described any one including in rotationally symmetrical, centrosymmetry, axial symmetry symmetrical.
Preferably, described oil pocket includes 4, and 4 described oil pockets become to be arranged symmetrically two-by-two.
Preferably, described oil pocket is uniformly distributed and equal in magnitude around the axis of described axis hole.
Preferably, described body includes inner sleeve and overcoat, and described inner sleeve is formed after being socketed with described overcoat between
Two or more described oil pockets.
Preferably, described inner sleeve is drum, is socketed in described overcoat, and the outer diameter of described inner sleeve is less than
The shaft hole diameter of described overcoat, makes described inner sleeve and the cooperation of described overcoat gap, and an end face of described inner sleeve is provided with two
Or two or more is along the axially extended gap slot of inner sleeve, and accordingly it is provided with along outer on the shaft hole inner wall face of described overcoat
Cover axially extended raised item, described gap slot corresponds cooperation with described raised item.
Preferably, one end of body is provided with flange connecting portion, for being connected with flange arrangement.
A kind of second aspect, there is provided assembly method of coupling sleeve, described coupling sleeve includes inner sleeve and overcoat, described overcoat
Axially dock with described inner sleeve, make the raised item of overcoat and the gap slot cooperation of inner sleeve, then connecing in jacket and inner sleeve
It is tightly connected by the way of welding at mouthful, the axisymmetrical forming two or more around described axis hole is distributed and mutual
Independent oil pocket.
A kind of third aspect, there is provided safety coupling, including power transmission shaft and described coupling sleeve, described coupling sleeve socket
On described power transmission shaft.
Preferably, each oil filler point of described coupling sleeve and an oil fuel tube are tightly connected, and the note of described oil fuel tube
Oily cap protrudes from the outer surface of described coupling sleeve；Cut component corresponding with described oil filler point, institute are provided with described power transmission shaft
State cut component when described coupling sleeve is with respect to described drive axis, described oil fuel tube or described oil filler cap can be cut off,
Discharge the oil pressure in corresponding described oil pocket.
Preferably, described power transmission shaft is provided with annular boss, and described cut component is fixedly connected on described annular boss.
Preferably, pass through the first sealing ring sealing between described annular boss and described coupling sleeve it is preferable that described first
Sealing ring is the annular seal ring of U-shaped for section.
Preferably, also include end cap, described end cap is fixedly connected on the end of described power transmission shaft, for by described coupling sleeve
It is positioned on described power transmission shaft.
Preferably, described end cap is fixedly connected on the end face of described power transmission shaft by screw.
Preferably, pass through the second sealing ring sealing between described end cap and described coupling sleeve it is preferable that described second seals
Enclose the annular seal ring for U-shaped for section.
Preferably, described coupling sleeve and the two ends of described power transmission shaft connecting portion are separately installed with bearing.
A kind of coupling sleeve, the assembly method of coupling sleeve and safety coupling that the present invention provides, coupling sleeve therein adopts
Multiple separate oil pockets, each oil pocket can individually control, and adopts generally ring-type with the safety coupling of prior art
Oil pocket compare, the safety coupling that the present invention provides is using having the coupling sleeve of multiple independent oil pockets it is easier to control mode
Precision；Oil pocket is adopted symmetric design, also allows for oil pocket is carried out moment of torsion demarcation, solve the safety coupling moment of torsion of prior art
When excessive, the technology that general calibration facility (such as torque test stand) can not be demarcated to the operation torque of safety coupling
Problem；Meanwhile, using multiple separate oil pockets, during pressurising is carried out to oil pocket, also reduce to pressurising equipment
Requirement；Additionally, adopting multiple separate oil pockets, the oil pressure bearing in single oil pocket, it is greatly reduced, so on the whole
Reduce the requirement to safety coupling structural strength.
Brief description
In order to be illustrated more clearly that the technical scheme of the embodiment of the present invention, will make to required in the embodiment of the present invention below
Accompanying drawing be briefly described it should be apparent that, drawings described below is only some embodiments of the present invention, for
For those of ordinary skill in the art, on the premise of not paying creative work, other can also be obtained according to these accompanying drawings
Accompanying drawing.
Fig. 1 is the structural representation of the overcoat of the embodiment of the present invention.
Fig. 2 is the structural representation of the inner sleeve of the embodiment of the present invention.
Fig. 3 is the structural representation of the coupling sleeve of the embodiment of the present invention.
Fig. 4 is the schematic cross-section of the coupling sleeve of the embodiment of the present invention.
Fig. 5 is the structural representation in release conditions for the safety coupling of the embodiment of the present invention.
Fig. 6 is the structural representation in use state for the safety coupling of the embodiment of the present invention.
In figure：
10th, coupling sleeve；11st, inner sleeve；111st, gap slot；12nd, overcoat；121st, raised item；14th, flange connecting portion；15th, axle
Hole；16th, oil pocket；17th, oil filler point；19th, oil fuel tube；
20th, power transmission shaft；21st, cut component；22nd, annular boss；23rd, bearing；24th, the first sealing ring；25th, the second sealing
Circle；
30th, end cap；31st, screw.
Specific embodiment
Purpose, technical scheme and advantage for making the embodiment of the present invention are clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described it is clear that described embodiment is
The a part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art
The every other embodiment being obtained under the premise of not making creative work, broadly falls into the scope of protection of the invention.
Feature and the exemplary embodiment of various aspects of the invention are described more fully below.In following detailed description
In it is proposed that many details to provide complete understanding of the present invention.But, to those skilled in the art
It will be apparent that the present invention can be implemented in the case of some details in not needing these details.Below to enforcement
The description of example is better understood to the present invention just for the sake of being provided by the example illustrating the present invention.The present invention never limits
In any concrete configuration set forth below and algorithm, but cover under the premise of without departing from the spirit of the present invention element,
Part and any modification, replacement and the improvement of algorithm.In the the accompanying drawings and the following description, it is shown without known structure and skill
Art, to avoid the present invention is caused with unnecessary obscuring.
It is described more fully with example embodiment referring now to accompanying drawing.However, example embodiment can be with multiple shapes
Formula is implemented, and is not understood as limited to embodiment set forth herein；On the contrary, these embodiments are provided so that the present invention more
Fully and completely, and by the design of example embodiment comprehensively convey to those skilled in the art.
Additionally, described feature, structure or characteristic can combine in one or more enforcements in any suitable manner
In example.In the following description, many details are provided thus being given, embodiments of the invention to be fully understood.However,
It will be appreciated by persons skilled in the art that technical scheme can be put into practice without one of described specific detail or more
Many, or other methods, constituent element, material etc. can be adopted.In other cases, be not shown in detail or describe known features,
Material or operation are to avoid the major technique intention of the fuzzy present invention.
It should be noted that in the case of not conflicting, the embodiment in the application and the feature in embodiment can phases
Mutually combine.To describe the application below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
Embodiment 1
As Figure 1-5, the embodiment of the present invention 1 provides a kind of coupling sleeve 10, and including body, body has axis hole 15, axle
Hole 15 is used for being socketed in power transmission shaft 20, and axis hole 15 is coordinated with power transmission shaft 20, is provided with the inside of the internal face of axis hole 15
Two or more are distributed and separate oil pocket 16 around the axisymmetrical of axis hole 15, and oil pocket 16 is near axis hole 15 side
Surface be between cambered surface, and cambered surface and the internal face of axis hole 15, to form the equal thin-wall construction of thickness, each oil pocket 16 leads to
Cross an oil filler point being arranged on body 17 and ft connection.The axis of cambered surface is coaxial with the axis of axis hole 15, so that arc
Form thin-wall construction between the internal face of face and axis hole 15.Oil filler point 17 is arranged between outer body face and oil pocket 16.
When oil pocket 16 is in release conditions, gap between coupling sleeve 10 and power transmission shaft 20, is adopted to coordinate；At oil pocket 16
When working condition, in oil pocket 16, pass through oil filler point 17 oiling, oil pressure raises makes the wall of oil pocket 16 inner side expand, thus holding biography tightly
Moving axis 20, enclasping force therebetween is used for transmitting the moment of torsion of shafting.
Described any one including in rotationally symmetrical, centrosymmetry, axial symmetry symmetrical.
One of optimal way, oil pocket 16 is set to 2, and 2 oil pockets 16 are axisymmetricly distributed around the axis of axis hole 15, and
2 oil pockets 16 are equal in magnitude, in order to carry out pressurising to 2 oil pockets 16.
The two of optimal way, oil pocket 16 is set to 3, and 3 oil pockets 16 are in 120 degree rotationally symmetrical point around the axis of axis hole 15
Cloth.
The three of optimal way, described oil pocket 16 includes 4, separates between two neighboring oil pocket 16, and 4 oil pockets 16 are
90 degree of arc, the axis around axis hole 15 is centrosymmetric distribution.
The preferred mode of three of the above, using symmetrical arrangement, oil pocket 16 is evenly distributed on around axis hole, and right
It is filled with equal oil pressure inside the oil pocket 16 claiming, so that the power transmission shaft from circumferencial direction countershaft in the hole portion for multiple oil pockets 16 is equalized
Applying pressure (i.e. enclasping force), so that it is guaranteed that balance.
Based on those skilled in the art to the understanding of technical solution of the present invention it is also possible to make oil pocket 16 be set greater than 4,
Here is no longer illustrated one by one.
Preferably, the oil pocket 16 of three of the above optimal way is uniformly distributed and equal in magnitude around the axis of axis hole 15.
Preferably, body includes inner sleeve 11 and overcoat 12, forms two between after inner sleeve 11 and overcoat 12 socket
Or two or more oil pocket 16.Two or more oil pockets 16 are cooperatively formed by overcoat 12 and inner sleeve 11, can have many
The embodiment planted, especially, can be realized by adding several spacer structures.
Preferably, one end of body is provided with flange connecting portion 14, for being connected with flange arrangement.
The present embodiment provides a kind of preferred embodiment, specifically：Inner sleeve 11 is drum, is socketed in overcoat 12
Interior, and the outer diameter of inner sleeve 11 is less than the shaft hole diameter of overcoat 12, makes inner sleeve 11 and the cooperation of overcoat 12 gap, inner sleeve 11
One end face is provided with two or more along the axially extended gap slot 111 of inner sleeve 11, and accordingly in overcoat 12
Shaft hole inner wall face is provided with raised item 121 axially extended along overcoat 12, and gap slot 111 is corresponded with raised item 121 joins
Close.Fit clearance between inner sleeve 11 and overcoat 12 typically within 2mm, preferably between inner sleeve 11 and overcoat 12
Fit clearance is in 1mm.
In the present embodiment, by the design of gap slot 111 and raised item 121, after making to connect between inner sleeve 11 and overcoat 12,
Therebetween gap adapted space is separated into multiple oil pockets 16, because the gap of gap cooperation is smaller, so using weldering
The two can be connected and the gap filling by cooperation by the mode connecing, thus ensureing that oil pocket 16 has good bearing capacity.
By the coupling sleeve 10 of above-mentioned design, using multiple separate oil pockets 16, each oil pocket 16 can individually be controlled
System, with the safety coupling of prior art using the oil pocket of generally ring-type compared with it is easier to control mode precision；Oil pocket is adopted
With symmetric design, also allow for oil pocket is carried out moment of torsion demarcation, when the safety coupling moment of torsion of solution prior art is excessive, general
The technical problem that calibration facility (such as torque test stand) can not be demarcated to the operation torque of safety coupling；Meanwhile, adopt
With multiple separate oil pockets, during pressurising is carried out to oil pocket, also reduce the requirement to pressurising equipment；Additionally,
Using multiple separate oil pockets, the oil pressure bearing in single oil pocket, it is greatly reduced, so reducing on the whole to safety
The requirement of coupler structure intensity.
Embodiment 2
The embodiment of the present invention 2 provides a kind of assembly method of coupling sleeve 10, and described coupling sleeve includes inner sleeve 11 and overcoat 12,
Described overcoat 12 and described inner sleeve 11 are axially docked, and make the raised item of overcoat 12 and the gap slot cooperation of inner sleeve 12, then
It is tightly connected by the way of welding in the seam of overcoat 12 and inner sleeve 11.It is desirable to ensure its bearing capacity after being tightly connected,
The axisymmetrical forming two or more around axis hole 15 is distributed and separate oil pocket 16.
Embodiment 3
As seen in figs. 5-6, the embodiment of the present invention 3 provides a kind of safety coupling, including power transmission shaft 20 and coupling sleeve 10, joins
Knot set 10 is socketed on power transmission shaft 20.
As shown in figure 5, when oil pocket 16 is in release conditions, adopting gap to coordinate between coupling sleeve 10 and power transmission shaft 20；
As shown in fig. 6, when oil pocket 16 is in running order, by oil fuel tube 19 oiling within oil filler point 17, oil pressure in oil pocket 16
Raise and so that the wall of oil pocket 16 inner side is expanded, thus holding power transmission shaft 20 tightly, enclasping force therebetween is used for transmitting the moment of torsion of shafting.
Preferably, each oil filler point 17 of coupling sleeve 10 and an oil fuel tube 19 are tightly connected, and the note of oil fuel tube 19
Oily cap protrudes from the outer surface of coupling sleeve 10；Cut component 21 corresponding with oil filler point 17, cutting portion are provided with power transmission shaft 20
Part 21, when coupling sleeve 10 rotates with respect to power transmission shaft 20, can cut off oil fuel tube 19 or oil filler cap, discharges corresponding oil pocket 16
Interior oil pressure.
Preferably, power transmission shaft 20 is provided with annular boss 22, and cut component 21 is fixedly connected on annular boss 22.Work as biography
When enclasping force between moving axis 20 and coupling sleeve 10 is not enough to maintain moment of torsion therebetween, that is, power transmission shaft 20 and coupling sleeve 10 it
Between moment of torsion when exceeding load rated safety moment of torsion, coupling sleeve 10 will rotate with respect to power transmission shaft 20, power transmission shaft 20 and coupling sleeve 10
Holding face can Frictional Slipping, in order to avoid friction destruction hold tightly face, by power transmission shaft 20 install cut component 21 will note
Oily cap or oil fuel tube 19 cut off, so that the oil pressure within oil pocket 16 reduces with the minimizing of the hydraulic oil within cavity 16,
So that coupling sleeve 10 is quickly eliminated with the enclasping force of power transmission shaft 20, safety coupling is made to play a role.
Preferably, sealed by the first sealing ring 24 between annular boss 22 and coupling sleeve 10 it is preferable that the first sealing ring
24 is the annular seal ring of U-shaped for section.Can will be sealed between power transmission shaft and coupling sleeve 10 using the first sealing ring 24,
Prevent foreign matter from entering the space between power transmission shaft 20 and coupling sleeve 10.
Preferably, the safety coupling that the present embodiment provides, also includes end cap 30, end cap 30 is fixedly connected on power transmission shaft 20
End, for coupling sleeve 10 is positioned at power transmission shaft 20.By end cap 30, the end face of power transmission shaft 20 and coupling sleeve 10 is entered
Row is fixed it is ensured that the position between power transmission shaft 20 and coupling sleeve 10 is fixed.
Preferably, end cap 30 is fixedly connected on the end face of power transmission shaft 20 by screw 31.
Preferably, sealed it is preferable that the second sealing ring 25 is by the second sealing ring 25 between end cap 30 and coupling sleeve 10
Section is the annular seal ring of U-shaped.By the second annular seal ring 25, the connecting end surface of power transmission shaft 20 and coupling sleeve 10 is carried out
Sealing.
Preferably, coupling sleeve 10 and the two ends of power transmission shaft 20 connecting portion are separately installed with bearing 23.Two bearings 23 can
There is provided with the two ends of the connecting portion to coupling sleeve 10 and support coaxially connected, and the axle it is ensured that coupling sleeve 10 and power transmission shaft 20
Holding 23 can also provide support to coupling sleeve 10, make coupling sleeve 10 in the released state, protect between coupling sleeve 10 and power transmission shaft 20
Stop enough gaps.
By the safety coupling of above-mentioned design, its main beneficial effect includes：
Coupling sleeve 10 adopts multiple separate oil pockets, and each oil pocket can individually control, the safety with prior art
Shaft coupling is compared using the oil pocket of generally ring-type it is easier to control mode precision；
Oil pocket is adopted symmetric design, also allows for oil pocket is carried out moment of torsion demarcation, solve the safety coupling of prior art
When moment of torsion is excessive, general calibration facility (such as torque test stand) can not be demarcated to the operation torque of safety coupling
Technical problem；Specifically, such as safety coupling adopts two to oil pocket, and the peak torque of each pair oil pocket is 15MN.m, whole peace
The peak torque of full shaft coupling is 30MN.m, and the torque test stand at this moment adopting an operation torque to be 15MN.m just can be to this
Individual safety coupling is demarcated；But if safety coupling adopts the oil recess structure of the generally ring-type of prior art, then
Operation torque is that the torque test stand of 15MN.m just cannot be carried out demarcating, and operation torque now can only be selected to be at least 30MN.m
Torque test stand demarcated.
Meanwhile, using multiple separate oil pockets, the oil pressure of single-chamber is less than the oil pressure of the oil pocket of prior art, to oil
During chamber carries out pressurising, also reduce the requirement to pressurising equipment；
Using multiple separate oil pockets, the oil pressure bearing in single oil pocket, it is greatly reduced, so reducing on the whole
Requirement to safety coupling structural strength.
The above, the only specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, and any
Those familiar with the art the invention discloses technical scope in, various equivalent modifications can be readily occurred in or replace
Change, these modifications or replacement all should be included within the scope of the present invention.Therefore, protection scope of the present invention should be with right
The protection domain requiring is defined.
Claims (15)
1. a kind of coupling sleeve (10), including body, body has axis hole (15) it is characterised in that interior in described axis hole (15)
The inside of wall be provided with two or more around described axis hole (15) axisymmetrical distribution and separate oil pocket
(16), described oil pocket (16) is cambered surface near the surface of the internal face side of described axis hole (15), and cambered surface and axis hole (15)
Internal face between form thin-wall construction, each described oil pocket (16) passes through a setting oil filler point on the body respectively
And ft connection (17).
2. coupling sleeve (10) as claimed in claim 1 it is characterised in that described oil pocket (16) include 4,4 described oil pockets
(16) become to be arranged symmetrically two-by-two.
3. coupling sleeve (10) as claimed in claim 2 it is characterised in that described oil pocket (16) around described axis hole (15) axle
Line is uniformly distributed and equal in magnitude.
4. the coupling sleeve as described in one of claim 1-3 (10) is it is characterised in that described body includes inner sleeve (11) and overcoat
(12), two or more described oil pockets are formed between after described inner sleeve (11) and described overcoat (12) socket
(16).
5. coupling sleeve (10) as claimed in claim 4, it is characterised in that described inner sleeve (11) is drum, is socketed in institute
State in overcoat (12), and the outer diameter of described inner sleeve (11) is less than the shaft hole diameter of described overcoat (12), makes described inner sleeve
(11) with the cooperation of described overcoat (12) gap, an end face of described inner sleeve (11) is provided with two or more along described
The axially extended gap slot of inner sleeve (11) (111), and accordingly it is provided with along outer on the shaft hole inner wall face of described overcoat (12)
Set (12) axially extended raised item (121), described gap slot (111) corresponds cooperation with described raised item (121).
6., as claim 1-3, the coupling sleeve (10) described in one of 5 is it is characterised in that one end of described body is provided with flange even
Socket part (14), for being connected with flange arrangement.
7. as described in one of claim 1-6 coupling sleeve (10) assembly method it is characterised in that described coupling sleeve (10) include
Inner sleeve (11) and overcoat (12), described overcoat (12) and described inner sleeve (11) are axially docked, and make the raised item of overcoat (12)
(121) coordinate with the gap slot (111) of inner sleeve (11), then the seam in overcoat (12) and inner sleeve (11) adopts the side of welding
Formula is tightly connected, and the axisymmetrical forming two or more around described axis hole (15) is distributed and separate oil pocket
(16).
8. a kind of safety coupling is it is characterised in that include the coupling sleeve described in one of power transmission shaft (20) and claim 1-6
(10), described coupling sleeve (10) is socketed on described power transmission shaft (20).
9. safety coupling as claimed in claim 8 it is characterised in that each oil filler point (17) of described coupling sleeve (10) with
One oil fuel tube (19) is tightly connected, and the oil filler cap of described oil fuel tube (19) protrudes from the appearance of described coupling sleeve (10)
Face；Cut component (21) corresponding with described oil filler point (17), described cut component (21) are provided with described power transmission shaft (20)
When described coupling sleeve (10) rotates with respect to described power transmission shaft (20), described oil fuel tube (19) or described oiling can be cut off
Cap, discharges the oil pressure in corresponding described oil pocket (16).
10. safety coupling as claimed in claim 9 is it is characterised in that described power transmission shaft (20) is provided with annular boss
(22), described cut component (21) is fixedly connected on described annular boss (22).
11. safety couplings as claimed in claim 10 are it is characterised in that described annular boss (22) and described coupling sleeve
(10) pass through the first sealing ring (24) between to seal.
12. safety couplings as described in one of claim 8-11 are it is characterised in that also include end cap (30), described end cap
(30) it is fixedly connected on the end of described power transmission shaft (20), for described coupling sleeve (10) is positioned at described power transmission shaft (20)
On.
It is characterised in that described end cap (30) passes through, screw (31) is fixing to be connected 13. safety couplings as claimed in claim 12
It is connected on the end face of described power transmission shaft (20).
14. safety couplings as claimed in claim 13 it is characterised in that described end cap (30) and described coupling sleeve (10) it
Between by the second sealing ring (25) seal.
15. safety couplings as described in claim 8-14 are it is characterised in that described coupling sleeve (10) and described power transmission shaft
(20) two ends of connecting portion are separately installed with bearing (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611103456.6A CN106438740B (en) | 2016-12-05 | 2016-12-05 | Coupling sleeve, the assembly method of coupling sleeve and safety coupling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611103456.6A CN106438740B (en) | 2016-12-05 | 2016-12-05 | Coupling sleeve, the assembly method of coupling sleeve and safety coupling |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106438740A true CN106438740A (en) | 2017-02-22 |
| CN106438740B CN106438740B (en) | 2019-11-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611103456.6A Active CN106438740B (en) | 2016-12-05 | 2016-12-05 | Coupling sleeve, the assembly method of coupling sleeve and safety coupling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106438740B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108688687A (en) * | 2017-04-03 | 2018-10-23 | 阿尔斯通运输科技公司 | Convertible drive system |
Citations (9)
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108688687A (en) * | 2017-04-03 | 2018-10-23 | 阿尔斯通运输科技公司 | Convertible drive system |
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|---|---|
| CN106438740B (en) | 2019-11-22 |
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