CN106438740B - Coupling sleeve, the assembly method of coupling sleeve and safety coupling - Google Patents
Coupling sleeve, the assembly method of coupling sleeve and safety coupling Download PDFInfo
- Publication number
- CN106438740B CN106438740B CN201611103456.6A CN201611103456A CN106438740B CN 106438740 B CN106438740 B CN 106438740B CN 201611103456 A CN201611103456 A CN 201611103456A CN 106438740 B CN106438740 B CN 106438740B
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- coupling
- oil
- sleeve
- coupling sleeve
- housing
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- 230000008878 coupling Effects 0.000 title claims abstract description 129
- 238000010168 coupling process Methods 0.000 title claims abstract description 129
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 129
- 238000000034 method Methods 0.000 title claims abstract description 12
- 239000000945 filler Substances 0.000 claims abstract description 17
- 238000010276 construction Methods 0.000 claims abstract description 5
- 238000009826 distribution Methods 0.000 claims abstract description 5
- 230000005540 biological transmission Effects 0.000 claims description 49
- 238000007789 sealing Methods 0.000 claims description 14
- 239000000446 fuel Substances 0.000 claims description 12
- 125000006850 spacer group Chemical group 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 115
- 238000010586 diagram Methods 0.000 description 5
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000005516 engineering process Methods 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
- 230000009467 reduction Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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
-
- 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
Abstract
The present invention provides a kind of coupling sleeve, the assembly method of coupling sleeve and safety couplings, coupling sleeve therein, including ontology, ontology has axis hole, two or more axisymmetrical distributions around axis hole and mutually independent oil pocket are equipped in the inside of the inner wall of axis hole, oil pocket is cambered surface close to the surface of the inner wall side of axis hole, and the thin-wall construction that formation thickness is equal between cambered surface and the inner wall of axis hole, each oil pocket are connected to by the oil filler point of setting on the body with outside；Preferably, one end of ontology is equipped with flanged joint portion, for connecting with flange arrangement.A kind of coupling sleeve and safety coupling provided by the invention, using multiple mutually independent oil pockets, each oil pocket can be controlled individually, compared with the safety coupling of the prior art is using generally cricoid oil pocket, safety coupling provided by the invention uses the coupling sleeve with multiple independent oil pockets, it is easier to control torque precision.
Description
Technical field
The invention belongs to mechanical transmission component technical field more particularly to a kind of coupling sleeve, coupling sleeve assembly method and
Safety coupling.
Background technique
Safety coupling plays torque protection in transmission system.When due to equipment fault cause torque be more than carrying energy
When power, by safety coupling cutting function, the transmission path of torque is cut off, protects relevant device.
Current safety coupling, such as " hydraulic safety coupling " disclosed in CN2192762Y, oil pocket (3c) are one
A cylindrical structure of entirety.The design feature of the safety coupling of the prior art makes safety coupling in the torque mistake of transmitting
Of both being led to the problem of when big:
1) working range of safety coupling is influenced by hydraulic and mechanical two aspect, and deviation will increase.Operation torque is excessive,
The oil pressure needed increases, and oil chamber volume increases.Excessive oil mass and oil pocket is unevenly distributed the pressure of oil, and operation torque is caused to produce
Raw relatively large deviation.
2) torque of safety coupling is excessive, and the torque of safety coupling is also caused to be difficult to be demarcated；Such as: 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, is just made under such circumstances
The torque of safety coupling can not be demarcated by obtaining torque test stand.
Summary of the invention
The embodiment of the invention provides a kind of coupling sleeve, the assembly method of coupling sleeve and safety couplings, solve safety connection
Oil pocket internal oil pressure is unevenly distributed when axis device torque is excessive, and the problem difficult to torque calibration.
In a first aspect, providing a kind of coupling sleeve, including ontology, ontology has axis hole, and the axis hole is for being socketed in biography
On moving axis, and the axis hole and the transmission shaft cooperate, the inside of the inner wall of the axis hole set there are two or two with
The upper axisymmetrical around the axis hole is distributed and mutually independent oil pocket, the oil pocket are close to the surface of the axis hole side
Cambered surface, and thin-wall construction is formed between cambered surface and the inner wall of axis hole, each oil pocket passes through a setting at this respectively
Oil filler point on body is connected to outside.
Any one symmetrical including in rotational symmetry, central symmetry, axial symmetry.
Preferably, the oil pocket includes 4, and 4 oil pockets at being arranged symmetrically two-by-two.
Preferably, the oil pocket is uniformly distributed and equal in magnitude around the axis of the axis hole.
Preferably, the ontology includes inner sleeve and housing, and the inner sleeve is formed between after being socketed with the housing
Two or more described oil pockets.
Preferably, the inner sleeve is cylindrical shape, is socketed in the housing, and the outer diameter of the inner sleeve is less than
The shaft hole diameter of the housing makes the inner sleeve and the housing clearance fit, set on an end face of the inner sleeve there are two
Or more than two gap slots axially extending along inner sleeve, and be accordingly equipped on the shaft hole inner wall face of the housing along outer
Axially extending raised item is covered, the gap slot and the raised item, which correspond, to be cooperated.
Preferably, one end of ontology is equipped with flanged joint portion, for connecting with flange arrangement.
Second aspect, provides a kind of assembly method of coupling sleeve, and the coupling sleeve includes inner sleeve and housing, the housing
It is axially docked with the inner sleeve, the gap slot of the raised item and inner sleeve that make housing cooperates, then connecing in jacket and inner sleeve
Mouthful place forms two or more and is distributed around the axisymmetrical of the axis hole and mutual using being tightly connected by the way of welding
Independent oil pocket.
The third aspect provides a kind of safety coupling, including transmission shaft and the coupling sleeve, the coupling sleeve socket
On the transmission shaft.
Preferably, each oil filler point of the coupling sleeve and an oil fuel tube are tightly connected, and the note of the oil fuel tube
Oily cap protrudes from the outer surface of the coupling sleeve；Cutting section corresponding with the oil filler point, institute are equipped on the transmission shaft
Cutting section is stated when the coupling sleeve is rotated relative to the transmission shaft, the oil fuel tube or the oil filler cap can be cut off,
Discharge the oil pressure in the corresponding oil pocket.
Preferably, the transmission shaft is equipped with annular boss, and the cutting section is fixedly connected on the annular boss.
Preferably, it is sealed between the annular boss and the coupling sleeve by the first sealing ring, it is preferable that described first
Sealing ring is the annular seal ring that section is U-shaped.
It preferably, further include end cap, the end cap is fixedly connected on the end of the transmission shaft, is used for the coupling sleeve
It is located on the transmission shaft.
Preferably, the end cap is fixedly connected on the end face of the transmission shaft by screw.
Preferably, it is sealed between the end cap and the coupling sleeve by the second sealing ring, it is preferable that second sealing
Circle is the annular seal ring that section is U-shaped.
Preferably, the both ends of the coupling sleeve and the transmission shaft connecting portion are separately installed with bearing.
The assembly method and safety coupling of a kind of coupling sleeve provided by the invention, coupling sleeve, coupling sleeve therein use
Multiple mutually independent oil pockets, each oil pocket can be controlled individually, generally cyclic annular with the safety coupling use of the prior art
Oil pocket compare, safety coupling provided by the invention use with multiple independent oil pockets coupling sleeve, it is easier to control torque
Precision；Oil pocket is used into symmetric design, is also convenient for carrying out torque calibration to oil pocket, solves the safety coupling torque of the prior art
When excessive, technology that general calibration facility (such as torque test stand) cannot demarcate the operation torque of safety coupling
Problem；Meanwhile it being also reduced during carrying out pressurising to oil pocket to pressurising equipment using multiple mutually independent oil pockets
Requirement；In addition, using multiple mutually independent oil pockets, the oil pressure born in single oil pocket is greatly reduced, so on the whole
Reduce the requirement to safety coupling structural strength.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, will make below to required in the embodiment of the present invention
Attached drawing is 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, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing.
Fig. 1 is the structural schematic diagram of the housing of the embodiment of the present invention.
Fig. 2 is the structural schematic diagram of the inner sleeve of the embodiment of the present invention.
Fig. 3 is the structural schematic diagram 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 structural schematic diagram of the safety coupling in release conditions of the embodiment of the present invention.
Fig. 6 is structural schematic diagram of the safety coupling in use state of the embodiment of the present invention.
In figure:
10, coupling sleeve；11, inner sleeve；111, gap slot；12, housing；121, raised item；14, flanged joint portion；15, axis
Hole；16, oil pocket；17, oil filler point；19, oil fuel tube；
20, transmission shaft；21, cutting section；22, annular boss；23, bearing；24, the first sealing ring；25, the second sealing
Circle；
30, end cap；31, screw.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without creative efforts, shall fall within the protection scope of the present invention.
The feature and exemplary embodiment of various aspects of the invention is described more fully below.In following detailed description
In, many details are proposed, in order 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 where not needing some details in these details.Below to implementation
The description of example is used for the purpose of providing by showing example of the invention and better understanding of the 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,
Any modification, replacement and the improvement of component and algorithm.In the the accompanying drawings and the following description, well known structure and skill is not shown
Art is unnecessary fuzzy to avoid causing the present invention.
Example embodiment is described more fully with reference to the drawings.However, example embodiment can be with a variety of shapes
Formula is implemented, and is not understood as limited to embodiment set forth herein；On the contrary, thesing embodiments are provided so that the present invention more
Fully and completely, and by the design of example embodiment comprehensively it is communicated to those skilled in the art.
In addition, described feature, structure or characteristic can be incorporated in one or more implementations in any suitable manner
In example.In the following description, many details are provided to provide and fully understand to the embodiment of the present invention.However,
It will be appreciated by persons skilled in the art that technical solution of the present invention can be practiced without one in the specific detail or more
It is more, or can be using other methods, constituent element, material etc..In other cases, be not shown in detail or describe known features,
Material or operation are to avoid major technique intention of the invention is obscured.
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The application is described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
Embodiment 1
As shown in Figs. 1-5, the embodiment of the present invention 1 provides a kind of coupling sleeve 10, including ontology, and ontology has axis hole 15, axis
Hole 15 is for being socketed in transmission shaft 20, and axis hole 15 and transmission shaft 20 cooperate, and are equipped in the inside of the inner wall of axis hole 15
Two or more are distributed around the axisymmetrical of axis hole 15 and mutually independent oil pocket 16, and oil pocket 16 is close to 15 side of axis hole
Surface be cambered surface, and the equal thin-wall construction of thickness is formed between cambered surface and the inner wall of axis hole 15, each oil pocket 16 is logical
The oil filler point 17 of a setting on the body is crossed to be connected to outside.The axis of the axis of cambered surface and axis hole 15 be it is coaxial so that arc
Thin-wall construction is formed between face and the inner wall of 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, it is gap-matched between coupling sleeve 10 and transmission shaft 20；At oil pocket 16
When working condition, by 17 oiling of oil filler point in oil pocket 16, oil pressure increases the wall expansion for making 16 inside of oil pocket, to hold biography tightly
Moving axis 20, enclasping force between the two are used to transmit the torque of shafting.
Any one symmetrical including in rotational symmetry, central symmetry, axial symmetry.
One of preferred embodiment, oil pocket 16 are set as 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 preferred embodiment, oil pocket 16 are set as 3, and 3 oil pockets 16 divide around the axis of axis hole 15 in 120 degree of rotational symmetry
Cloth.
The three of preferred embodiment, the oil pocket 16 include 4, are separated between two neighboring oil pocket 16,4 oil pockets 16 are
90 degree of arc is centrosymmetric distribution around the axis of axis hole 15.
Oil pocket 16 is evenly distributed on around axis hole by the preferred mode of three of the above using symmetrical arrangement, and right
It is filled with equal oil pressure inside the oil pocket 16 of title, carries out multiple oil pockets 16 to the transmission shaft inside axis hole from circumferencial direction balanced
Application pressure (i.e. enclasping force), so that it is guaranteed that balance.
Understanding based on those skilled in the art to technical solution of the present invention can also make oil pocket 16 be set greater than 4,
It no longer illustrates one by one herein.
Preferably, the oil pocket 16 of three of the above preferred embodiment is uniformly distributed and equal in magnitude around the axis of axis hole 15.
Preferably, ontology includes inner sleeve 11 and housing 12, and inner sleeve 11 and housing 12 form two after being socketed between
Or more than two oil pockets 16.Two or more oil pockets 16 are cooperatively formed by housing 12 and inner sleeve 11, can have more
The embodiment of kind can particularly be realized by adding several spacer structures.
Preferably, one end of ontology is equipped with flanged joint portion 14, for connecting with flange arrangement.
The present embodiment provides a kind of preferred embodiments, specifically: inner sleeve 11 is cylindrical shape, is socketed in housing 12
It is interior, and the outer diameter of inner sleeve 11 is less than the shaft hole diameter of housing 12, makes inner sleeve 11 and 12 clearance fit of housing, inner sleeve 11
One end face is equipped with two or more gap slots 111 axially extending along inner sleeve 11, and accordingly in housing 12
Shaft hole inner wall face is equipped with the raised item 121 axially extending along housing 12, and gap slot 111 is matched with the one-to-one correspondence of raised item 121
It closes.Fit clearance between inner sleeve 11 and housing 12 is generally within 2mm, preferably between inner sleeve 11 and housing 12
Fit clearance is in 1mm or so.
In the present embodiment, by the design of gap slot 111 and raised item 121, make after being connected between inner sleeve 11 and housing 12,
Clearance fit space between the two is separated into multiple oil pockets 16, since the gap of clearance fit is smaller, so using weldering
The two can be connected and by the gap filling of cooperation by the mode connect, to guarantee that oil pocket 16 has good bearing capacity.
Coupling sleeve 10 by above-mentioned design, using multiple mutually independent oil pockets 16, each oil pocket 16 can be controlled individually
System, compared with the safety coupling of the prior art is using generally cricoid oil pocket, it is easier to control torque precision；Oil pocket is adopted
With symmetric design, be also convenient for carrying out torque calibration to oil pocket, solve the prior art safety coupling torque it is excessive when, it is general
The technical issues of calibration facility (such as torque test stand) cannot demarcate the operation torque of safety coupling；Meanwhile it adopting
The requirement to pressurising equipment is also reduced during carrying out pressurising to oil pocket with multiple mutually independent oil pockets；In addition,
Using multiple mutually independent oil pockets, the oil pressure born in single oil pocket is greatly reduced, so being reduced 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 the coupling sleeve includes inner sleeve 11 and housing 12,
The housing 12 and the inner sleeve 11 are axially docked, and the gap slot of the raised item and inner sleeve 12 that make housing 12 cooperates, then
It is tightly connected by the way of welding in housing 12 and the interface of inner sleeve 11.After sealed connection, it is desirable that guarantee its bearing capacity,
Form two or more axisymmetrical distributions and mutually independent oil pocket 16 around axis hole 15.
Embodiment 3
As seen in figs. 5-6, the embodiment of the present invention 3 provides a kind of safety coupling, including transmission shaft 20 and coupling sleeve 10, connection
Knot set 10 is socketed on transmission shaft 20.
As shown in figure 5, being gap-matched between coupling sleeve 10 and transmission shaft 20 when oil pocket 16 is in release conditions；
As shown in fig. 6, passing through 19 oiling of oil fuel tube inside oil filler point 17, oil pressure in oil pocket 16 when oil pocket 16 is in running order
The wall expansion for making 16 inside of oil pocket is increased, to hold transmission shaft 20 tightly, enclasping force between the two is used to transmit the torque 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；Cutting section 21 corresponding with oil filler point 17, cutting portion are equipped on transmission shaft 20
Part 21 can cut off oil fuel tube 19 or oil filler cap, discharge corresponding oil pocket 16 when coupling sleeve 10 is rotated relative to transmission shaft 20
Interior oil pressure.
Preferably, transmission shaft 20 is equipped with annular boss 22, and cutting section 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 torque between the two, i.e., transmission shaft 20 and coupling sleeve 10 it
Between torque when being more than load rated safety torque, coupling sleeve 10 will rotate relative to transmission shaft 20, transmission shaft 20 and coupling sleeve 10
Holding face can Frictional Slipping will be infused in order to avoid friction destruction holds face tightly by the cutting section 21 installed on transmission shaft 20
Oily cap or oil fuel tube 19 are cut off, thus reduce the oil pressure inside oil pocket 16 with the reduction of the hydraulic oil inside cavity 16,
To make coupling sleeve 10 and the enclasping force of transmission shaft 20 quickly eliminate, safety coupling is made to play a role.
Preferably, it is sealed between annular boss 22 and coupling sleeve 10 by the first sealing ring 24, it is preferable that the first sealing ring
24 be the annular seal ring that section is U-shaped.It can will be sealed between transmission shaft and coupling sleeve 10 using the first sealing ring 24,
Prevent foreign matter from entering the gap between transmission shaft 20 and coupling sleeve 10.
Preferably, safety coupling provided in this embodiment, further includes end cap 30, and end cap 30 is fixedly connected on transmission shaft 20
End, for coupling sleeve 10 to be located in transmission shaft 20.By end cap 30 by the end face of transmission shaft 20 and coupling sleeve 10 into
Row is fixed, it is ensured that the position between transmission shaft 20 and coupling sleeve 10 is fixed.
Preferably, end cap 30 is fixedly connected on the end face of transmission shaft 20 by screw 31.
Preferably, it is sealed between end cap 30 and coupling sleeve 10 by the second sealing ring 25, it is preferable that the second sealing ring 25 is
Section is the annular seal ring of U-shaped.The connecting end surface of transmission shaft 20 and coupling sleeve 10 is carried out by the second annular seal ring 25
Sealing.
Preferably, the both ends of coupling sleeve 10 and 20 connecting portion of transmission shaft are separately installed with bearing 23.Two bearings 23 can
Support is provided with the both ends of the connecting portion to coupling sleeve 10, it is ensured that coupling sleeve 10 is coaxially connected with transmission shaft 20, and axis
Support can also be provided to coupling sleeve 10 by holding 23, made coupling sleeve 10 in the released state, protected between coupling sleeve 10 and transmission shaft 20
Stay enough gaps.
Safety coupling by above-mentioned design, main beneficial effect include:
Coupling sleeve 10 uses multiple mutually independent oil pockets, and each oil pocket can be controlled individually, the safety with the prior art
Shaft coupling is compared using generally cricoid oil pocket, it is easier to control torque precision；
Oil pocket is used into symmetric design, is also convenient for carrying out torque calibration to oil pocket, solves the safety coupling of the prior art
When torque is excessive, what general calibration facility (such as torque test stand) cannot demarcate the operation torque of safety coupling
Technical problem；Specifically, such as safety coupling uses two pairs of oil pockets, and the peak torque of each pair of oil pocket is 15MN.m, entire to pacify
The peak torque of full shaft coupling is 30MN.m, at this moment uses an operation torque can be to this for the torque test stand of 15MN.m
A safety coupling is demarcated；But if safety coupling uses the generally cricoid oil recess structure of the prior art, then
Operation torque is that the torque test stand of 15MN.m can not just carry out demarcating, and operation torque can only be selected to be at least 30MN.m at this time
Torque test stand demarcated.
Meanwhile using multiple mutually independent oil pockets, the oil pressure of single-chamber is lower than the oil pressure of the oil pocket of the prior art, to oil
During chamber carries out pressurising, the requirement to pressurising equipment is also reduced；
Using multiple mutually independent oil pockets, the oil pressure born in single oil pocket is greatly reduced, so reducing on the whole
Requirement to safety coupling structural strength.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can readily occur in various equivalent modifications or replace
It changes, these modifications or substitutions should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be with right
It is required that protection scope subject to.
Claims (14)
1. a kind of coupling sleeve (10), including ontology, ontology has axis hole (15), which is characterized in that in the interior of the axis hole (15)
The inside of wall surface is equipped with more than two axisymmetrical distributions around the axis hole (15) and mutually independent oil pocket (16), described
Oil pocket (16) is cambered surface close to the surface of the inner wall side of the axis hole (15), and the inner wall of cambered surface and axis hole (15) it
Between form thin-wall construction, each oil pocket (16) is respectively by setting oil filler point (17) on the body and external
Connection；
The ontology includes inner sleeve (11) and housing (12), and the inner sleeve (11) and the housing (12) are therebetween by additional
Multiple spacer structures make the housing (12) and the inner sleeve (11) cooperatively form more than two oil pockets (16).
2. coupling sleeve (10) as described in claim 1, which is characterized in that the oil pocket (16) includes 4,4 oil pockets
(16) at being arranged symmetrically two-by-two.
3. coupling sleeve (10) as claimed in claim 2, which is characterized in that the oil pocket (16) surrounds the axis of the axis hole (15)
Line is uniformly distributed and equal in magnitude.
4. coupling sleeve (10) as described in claim 1, which is characterized in that the inner sleeve (11) is cylindrical shape, is socketed in institute
It states in housing (12), and the outer diameter of the inner sleeve (11) is less than the shaft hole diameter of the housing (12), makes the inner sleeve
(11) with the housing (12) clearance fit, an end face of the inner sleeve (11) is equipped with two or more along the inner sleeve
(11) axially extending gap slot (111), and be accordingly equipped on the shaft hole inner wall face of the housing (12) along housing
(12) axially extending raised item (121), the gap slot (111) and the raised item (121) correspond and cooperate.
5. the coupling sleeve (10) as described in one of claim 1-4, which is characterized in that one end of the ontology is equipped with flanged joint
Portion (14), for being connect with flange arrangement.
6. the assembly method of coupling sleeve (10) as described in one of claim 1-4, which is characterized in that the coupling sleeve (10) includes
Inner sleeve (11) and housing (12), the housing (12) and the inner sleeve (11) are axially docked, and the raised item of housing (12) is made
(121) cooperate with the gap slot (111) of inner sleeve (11), then in housing (12) and the interface of inner sleeve (11) using the side welded
Formula is tightly connected, and forms more than two axisymmetrical distributions around the axis hole (15) and mutually independent oil pocket (16).
7. a kind of safety coupling, which is characterized in that including coupling sleeve described in one of transmission shaft (20) and claim 1-5
(10), the coupling sleeve (10) is socketed on the transmission shaft (20).
8. safety coupling as claimed in claim 7, which is characterized in that each oil filler point (17) of the coupling sleeve (10) with
One oil fuel tube (19) is tightly connected, and the oil filler cap of the oil fuel tube (19) protrudes from the appearance of the coupling sleeve (10)
Face；Cutting section (21) corresponding with the oil filler point (17), the cutting section (21) are equipped on the transmission shaft (20)
When the coupling sleeve (10) is rotated relative to the transmission shaft (20), the oil fuel tube (19) or the oiling can be cut off
Cap discharges the oil pressure in the corresponding oil pocket (16).
9. safety coupling as claimed in claim 8, which is characterized in that the transmission shaft (20) is equipped with annular boss
(22), the cutting section (21) is fixedly connected on the annular boss (22).
10. safety coupling as claimed in claim 9, which is characterized in that the annular boss (22) and the coupling sleeve
(10) it is sealed between by the first sealing ring (24).
11. the safety coupling as described in one of claim 7-10, which is characterized in that further include end cap (30), the end cap
(30) it is fixedly connected on the end of the transmission shaft (20), for the coupling sleeve (10) to be located in the transmission shaft (20)
On.
12. safety coupling as claimed in claim 11, which is characterized in that the end cap (30) connects by the way that screw (31) are fixed
It connects on the end face of the transmission shaft (20).
13. safety coupling as claimed in claim 12, which is characterized in that the end cap (30) and the coupling sleeve (10) it
Between by the second sealing ring (25) seal.
14. such as claim 7-10, any safety coupling of 12-13, which is characterized in that the coupling sleeve (10) and institute
The both ends for stating transmission shaft (20) 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 CN106438740A (en) | 2017-02-22 |
| CN106438740B true CN106438740B (en) | 2019-11-22 |
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ID=58223903
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| 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 |
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| CN (1) | CN106438740B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR3064706B1 (en) * | 2017-04-03 | 2019-05-03 | Alstom Transport Technologies | SWITCHABLE DRIVE SYSTEM |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4171192A (en) * | 1978-05-05 | 1979-10-16 | Thermo King Corporation | Eccentric positioning means for a reversible pump |
| WO1990000231A1 (en) * | 1988-07-04 | 1990-01-11 | Metalform Safeset Ab | A torque-limiting coupling device |
| JP2010116969A (en) * | 2008-11-12 | 2010-05-27 | Jtekt Corp | Torque limiter |
| CN201599337U (en) * | 2009-12-01 | 2010-10-06 | 武汉钢铁(集团)公司 | Safe coupler for transmission shaft of straightening machine |
| CN101910661A (en) * | 2008-01-08 | 2010-12-08 | 株式会社捷太格特 | Torque limiter |
| JP2016142406A (en) * | 2015-02-05 | 2016-08-08 | 株式会社ジェイテクト | Torque limiter |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63135604A (en) * | 1986-11-27 | 1988-06-08 | 株式会社日本製鋼所 | Friction type clamping device |
| JPH0649828U (en) * | 1992-10-23 | 1994-07-08 | 光洋精工株式会社 | Torque limiter |
| JP5217979B2 (en) * | 2008-12-03 | 2013-06-19 | 株式会社ジェイテクト | Shaft coupling device and torque limiter |
-
2016
- 2016-12-05 CN CN201611103456.6A patent/CN106438740B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4171192A (en) * | 1978-05-05 | 1979-10-16 | Thermo King Corporation | Eccentric positioning means for a reversible pump |
| WO1990000231A1 (en) * | 1988-07-04 | 1990-01-11 | Metalform Safeset Ab | A torque-limiting coupling device |
| CN101910661A (en) * | 2008-01-08 | 2010-12-08 | 株式会社捷太格特 | Torque limiter |
| JP2010116969A (en) * | 2008-11-12 | 2010-05-27 | Jtekt Corp | Torque limiter |
| CN201599337U (en) * | 2009-12-01 | 2010-10-06 | 武汉钢铁(集团)公司 | Safe coupler for transmission shaft of straightening machine |
| JP2016142406A (en) * | 2015-02-05 | 2016-08-08 | 株式会社ジェイテクト | Torque limiter |
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| CN106438740A (en) | 2017-02-22 |
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