CN107524725B - Conical friction piece shaft coupling - Google Patents
Conical friction piece shaft coupling Download PDFInfo
- Publication number
- CN107524725B CN107524725B CN201710633650.3A CN201710633650A CN107524725B CN 107524725 B CN107524725 B CN 107524725B CN 201710633650 A CN201710633650 A CN 201710633650A CN 107524725 B CN107524725 B CN 107524725B
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- CN
- China
- Prior art keywords
- ring
- nut
- shaft coupling
- friction piece
- wall
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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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
- F16D7/02—Slip couplings, e.g. slipping on overload, for absorbing shock of the friction type
- F16D7/024—Slip couplings, e.g. slipping on overload, for absorbing shock of the friction type with axially applied torque limiting friction surfaces
- F16D7/028—Slip couplings, e.g. slipping on overload, for absorbing shock of the friction type with axially applied torque limiting friction surfaces with conical friction surfaces
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- One-Way And Automatic Clutches, And Combinations Of Different Clutches (AREA)
Abstract
The invention discloses a kind of conical friction piece shaft couplings, the concentricity of driving shaft and driven shaft is not easy to control when aiming to solve the problem that the assembly of friction plate shaft coupling, is easy to appear coaxial error phenomenon, is unfavorable for the transmitting of torque, when overload occurs, the deficiency that friction plate is easily damaged.The invention includes A axis, B axle, the shaft coupling ontology being connected between A axis and B axle, shaft coupling ontology includes end cap, left nut limitation ring, right nut limitation ring, adjusting nut, external conical sleeve, inner conical drogue, inner conical drogue, which is axially movable, to be mounted on A axis, adjusting nut is connect with inner conical drogue outer wall thread, adjusting nut axial limiting is between left nut limitation ring and right nut limitation ring, inner conical drogue one end is connected with the elastic-friction piece of taper, external conical sleeve inner wall is in the pyramidal structure being adapted to elastic-friction piece, A axis is fastenedly connected with end cap, B axle is fastenedly connected with external conical sleeve, left nut limitation ring is fastenedly connected with end cap, right nut limitation ring is fastenedly connected with external conical sleeve.
Description
Technical field
The present invention relates to a kind of shaft couplings, more specifically, it relates to a kind of conical friction piece shaft coupling.
Background technique
Shaft coupling is to be allowed to rotate jointly to transmit the machinery zero of torque for coupling two shafts in obstructed mechanism
Part.Friction plate shaft coupling is a kind of safety coupling, and major function is overload protection, when overload or mechanical breakdown, to beat
The torsion that sliding form limitation transmission system is driven prevents mechanical failure, or even damage motor.Currently used friction plate connection
The rubbing surface of axis device is plane setting, and the concentricity of driving shaft and driven shaft is not easy to control when assembly, is easy to appear same
Axis error phenomenon is unfavorable for the transmitting of torque.When overload occurs, friction plate is easily damaged.
Chinese patent notification number CN205877025U discloses a kind of friction coupling, and driving shaft is by driving shaft coupling
Device seat, zygote disk drive outside friction disc by tooth engagement, under spring force, drive knot by friction plate
Ring support in zygote, ring support drives driven shaft rotation in zygote.When load torque is greater than the frictional force that friction plate group can be transmitted
When square, friction plate mediate contact face is had skidded.The adjustable whole of torque is transmitted, by compressing the elastic control with pull-off spring
Spring force size processed keeps friction plate group frictional force controllable, and the size of frictional force determines the size of transmitting torque, thereby realizes
The size of control transmitting torque.But the concentricity of driving shaft and driven shaft is not easy to control when assembly, is easy to appear coaxial
Error phenomenon is unfavorable for the transmitting of torque, and when overload occurs, friction plate is easily damaged.
Summary of the invention
The present invention overcomes the concentricities of driving shaft when the assembly of friction plate shaft coupling and driven shaft to be not easy to control, and is easy
There is coaxial error phenomenon, is unfavorable for the transmitting of torque, when overload occurs, the deficiency that friction plate is easily damaged provides one
Kind conical friction piece shaft coupling, its concentricity of driving shaft and driven shaft when assembly are easily controlled, and coaxial mistake is less prone to
Poor phenomenon, the normal pressure generated by tapered squeezing is larger, is conducive to transmit high torque, when overload occurs, friction plate is not
It is easy to damage.
In order to solve the above-mentioned technical problem, the invention adopts the following technical scheme: a kind of conical friction piece shaft coupling, including
A axis, B axle, the shaft coupling ontology being connected between A axis and B axle, shaft coupling ontology include end cap, left nut limitation ring, right nut
Limitation ring, adjusting nut, external conical sleeve, inner conical drogue, inner conical drogue, which is axially movable, to be mounted on A axis, outside adjusting nut and inner conical drogue
Wall is threadedly coupled, and between left nut limitation ring and right nut limitation ring, inner conical drogue one end is connected with adjusting nut axial limiting
The elastic-friction piece of taper, external conical sleeve inner wall are in the pyramidal structure being adapted to elastic-friction piece, and A axis is fastenedly connected with end cap, B axle
It is fastenedly connected with external conical sleeve, left nut limitation ring is fastenedly connected with end cap, and right nut limitation ring is fastenedly connected with external conical sleeve.
When conical friction piece shaft coupling is installed, adjusting nut is rotated, to push inner conical drogue mobile to external conical sleeve direction, is made
Elastic-friction piece abuts on the conical inboard wall of external conical sleeve, to realize the interconnection of A axis and B axle, the elastic-friction piece of taper is logical
Non-coaxial error between A axis and B axle can be corrected by crossing tapered squeezing, and it is larger to squeeze the normal pressure generated, is conducive to pass
Pass high torque.When overload occurs, elastic-friction piece skids, and protects to mechanical equipment and motor, elastic-friction piece is not
It is easy to damage.This conical friction piece shaft coupling concentricity of driving shaft and driven shaft when assembly is easily controlled, and is less prone to
Coaxial error phenomenon, the normal pressure generated by tapered squeezing is larger, is conducive to transmitting high torque and rubs when overload occurs
Pad is hardly damaged.
Preferably, being connected between A axis and inner conical drogue by flat key.Inner conical drogue and A axis connection are reliable, facilitate inner conical drogue
Axial movement.
Preferably, the outer wall of inner conical drogue connection elastic-friction bit end is equipped with the conehead outwardly protruded, conehead outer wall is in cone
Shape structure, elastic-friction piece are connected on conehead outer wall.Elastic-friction piece is connected on the conehead of taper, and connection is reliable, it is ensured that
The reliable delivery of torque.
Preferably, being laid with several rotary jacks on adjusting nut outer wall.The setting of rotary jack is convenient for rotation
Adjusting nut.
Preferably, left nut limitation ring, right nut limitation ring be towards being equipped with position limiting convex ring on the end face of adjusting nut,
Position limiting convex ring is arranged on the outside of adjusting nut.Position limiting convex ring further limits adjusting nut, improves adjusting nut and A axis, B
The concentricity of axis.
Preferably, the end face outer edge of left nut limitation ring towards end cap is equipped with left connection ring, left connection ring is sleeved on
On end cap outer wall, the end face outer edge of right nut limitation ring towards external conical sleeve is equipped with right connection ring, and right connection ring is sleeved on outer cone
It covers on outer wall.Left nut limitation ring is connect reliably with end cap, and concentricity is good；Right nut limitation ring is connect reliably, together with external conical sleeve
Axis degree is good.
Ring is pushed preferably, being equipped on adjusting nut towards external conical sleeve end, pushes and is laid with several on ring outer wall
Ratchet, radially connected in right nut limitation ring to have pawl assembly, pawl assembly includes pawl bar, limit spring, clamping screw, spine
Claw bar and clamping screw it is radially connected limit spring is mounted between pawl bar and clamping screw in right nut limitation ring,
Pawl bar lower end, which is connected to, to push on ring outer wall between adjacent two ratchet.
When overload occurs, elastic-friction piece has skidded phenomenon, turns between right nut limitation ring and adjusting nut
Speed difference, pawl bar outer wall is connected on ratchet at this time, so that it is identical with right nut limitation ring revolving speed to make adjusting nut, and A axis is same
The inner conical drogue revolving speed of step rotation is greater than adjusting nut revolving speed, and there are rotational speed differences between inner conical drogue and adjusting nut, to make inner cone
It covers to A axis direction transverse shifting, elastic-friction piece is made to completely disengage inner conical drogue, prevent elastic-friction piece when overload from damage occur now
As.
Preferably, being equipped with the mounting hole being arranged radially, mounting hole with pawl assembly link position in right nut limitation ring
In step cavernous structure, pawl bar is T-shaped, and pawl bar upper end is mounted in mounting hole, and clamping screw is threaded in mounting hole
Open end, pawl bar lower end are in ball coronal structure.This structure setting prevents pawl bar from slipping away mounting hole.
Compared with prior art, the beneficial effects of the present invention are: conical friction piece shaft coupling driving shaft when assembly
It is easily controlled with the concentricity of driven shaft, is less prone to coaxial error phenomenon, the normal pressure generated by tapered squeezing is larger, favorably
In transmitting high torque, when overload occurs, friction plate is hardly damaged.
Detailed description of the invention
Fig. 1 is a schematic structural view of Embodiment 1 of the present invention；
Fig. 2 is a schematic structural view of Embodiment 2 of the present invention；
Fig. 3 is the attachment structure schematic diagram of the adjusting nut of the embodiment of the present invention 2；
In figure: 1, A axis, 2, B axle, 3, end cap, 4, left nut limitation ring, 5, right nut limitation ring, 6, adjusting nut, 7, outer
Tapered sleeve, 8, inner conical drogue, 9, elastic-friction piece, 10, conehead, 11, rotary jack, 12, position limiting convex ring, 13, left connection ring, 14, the right side
Connection ring, 15, promotion ring, 16, ratchet, 17, pawl bar, 18, limit spring, 19, clamping screw, 20, mounting hole.
Specific embodiment
Below by specific embodiment, and in conjunction with attached drawing, technical scheme of the present invention is further described:
Embodiment 1: a kind of conical friction piece shaft coupling (referring to attached drawing 1), including A axis 1, B axle 2, it is connected to A axis and B axle
Between shaft coupling ontology, shaft coupling ontology includes end cap 3, left nut limitation ring 4, right nut limitation ring 5, adjusting nut 6, outer
Tapered sleeve 7, inner conical drogue 8, inner conical drogue, which is axially movable, to be mounted on A axis, inner conical drogue outer wall be equipped with external screw thread, adjusting nut with it is interior
The connection of tapered sleeve outer wall thread, adjusting nut axial limiting is between left nut limitation ring and right nut limitation ring, inner conical drogue one end
It is connected with the elastic-friction piece 9 of taper, external conical sleeve inner wall is in the pyramidal structure being adapted to elastic-friction piece, and A axis and end cap fasten
Connection, B axle are fastenedly connected with external conical sleeve, and left nut limitation ring is fastenedly connected with end cap, and right nut limitation ring and external conical sleeve fasten
Connection.It is connected between A axis and inner conical drogue by flat key.The outer wall of inner conical drogue connection elastic-friction bit end is equipped with the cone outwardly protruded
First 10, the tapered structure of conehead outer wall, elastic-friction piece is connected on conehead outer wall.It is laid on adjusting nut outer wall several
A rotary jack 11.Left nut limitation ring, right nut limitation ring are limited towards position limiting convex ring 12 is equipped on the end face of adjusting nut
Position bulge loop is arranged on the outside of adjusting nut.The end face outer edge of left nut limitation ring towards end cap is equipped with left connection ring 13, Zuo Lian
Ring set is connect on end cap outer wall, the end face outer edge of right nut limitation ring towards external conical sleeve is equipped with right connection ring 14, right connection
Ring set is on external conical sleeve outer wall.
When conical friction piece shaft coupling is installed, adjusting nut is rotated, to push inner conical drogue mobile to external conical sleeve direction, is made
Elastic-friction piece abuts on the conical inboard wall of external conical sleeve, to realize the interconnection of A axis and B axle, the elastic-friction piece of taper is logical
Non-coaxial error between A axis and B axle can be corrected by crossing tapered squeezing, and it is larger to squeeze the normal pressure generated, is conducive to pass
Pass high torque.When overload occurs, elastic-friction piece skids, and protects to mechanical equipment and motor, elastic-friction piece is not
It is easy to damage.
Embodiment 2: a kind of conical friction piece shaft coupling (referring to attached drawing 2, attached drawing 3), structure is similar to Example 1, main
It wants difference to be equipped on adjusting nut in this present embodiment towards external conical sleeve end and pushes ring 15, push and be laid on ring outer wall
Several ratchets 16, radially connected in right nut limitation ring to have pawl assembly, pawl assembly includes pawl bar 17, limit spring
18, clamping screw 19, pawl bar and clamping screw are radially connected in right nut limitation ring, and limit spring is mounted on pawl bar
Between clamping screw, pawl bar lower end, which is connected to, to be pushed on ring outer wall between adjacent two ratchet.In right nut limitation ring and spine
Claw assembly link position is equipped with the mounting hole 20 being arranged radially, and mounting hole is in step cavernous structure, and pawl bar is T-shaped, pawl bar
Upper end is mounted in mounting hole, and clamping screw is threaded in mounting hole open end, and pawl bar lower end is in ball coronal structure.It is other
Structure is same as Example 1.A axis and B axle rotate counterclockwise, and inner conical drogue is lateral to A axis direction when adjusting nut rotates clockwise
Mobile, inner conical drogue pushes the ratchet on ring to rotate along A axis to B axle direction transverse shifting when adjusting nut rotates counterclockwise
Tangentially it is arranged in the same direction.When overload occurs, elastic-friction piece has skidded phenomenon, right nut limitation ring and adjusting nut it
Between there is rotational speed difference, pawl bar outer wall is connected on ratchet at this time, to keep adjusting nut identical with right nut limitation ring revolving speed,
And the inner conical drogue revolving speed that A axis rotates synchronously is greater than adjusting nut revolving speed, there are rotational speed differences between inner conical drogue and adjusting nut, relatively
For inner conical drogue, adjusting nut is rotated clockwise, and inner conical drogue completely disengages elastic-friction piece to A axis direction transverse shifting
Inner conical drogue prevents elastic-friction piece when overload from damage phenomenon occur.
Embodiment described above is two kinds of preferable schemes of the invention, is not made in any form to the present invention
Limitation, there are also other variations and modifications on the premise of not exceeding the technical scheme recorded in the claims.
Claims (7)
1. a kind of conical friction piece shaft coupling, characterized in that including A axis, B axle, the shaft coupling sheet being connected between A axis and B axle
Body, shaft coupling ontology include end cap, left nut limitation ring, right nut limitation ring, adjusting nut, external conical sleeve, inner conical drogue, inner conical drogue
It is axially movable and is mounted on A axis, adjusting nut is connect with inner conical drogue outer wall thread, and adjusting nut axial limiting is limited in left nut
Between ring processed and right nut limitation ring, inner conical drogue one end is connected with the elastic-friction piece of taper, and external conical sleeve inner wall is in rub with elasticity
The pyramidal structure of pad adaptation, A axis are fastenedly connected with end cap, and B axle is fastenedly connected with external conical sleeve, and left nut limitation ring and end cap are tight
It is solidly connected, right nut limitation ring is fastenedly connected with external conical sleeve；It is equipped on adjusting nut towards external conical sleeve end and pushes ring, pushed outside ring
It is laid with several ratchets on wall, radially connected in right nut limitation ring to have pawl assembly, pawl assembly includes pawl bar, limit
Position spring, clamping screw, pawl bar and clamping screw are radially connected in right nut limitation ring, and limit spring is mounted on pawl
Between bar and clamping screw, pawl bar lower end, which is connected to, to be pushed on ring outer wall between adjacent two ratchet.
2. conical friction piece shaft coupling according to claim 1, characterized in that connected between A axis and inner conical drogue by flat key
It connects.
3. conical friction piece shaft coupling according to claim 1, characterized in that inner conical drogue connects the outer of elastic-friction bit end
Wall is equipped with the conehead outwardly protruded, the tapered structure of conehead outer wall, and elastic-friction piece is connected on conehead outer wall.
4. conical friction piece shaft coupling according to claim 1, characterized in that be laid on adjusting nut outer wall several
A rotary jack.
5. conical friction piece shaft coupling according to claim 1, characterized in that left nut limitation ring, right nut limitation ring
Position limiting convex ring is equipped on towards the end face of adjusting nut, position limiting convex ring is arranged on the outside of adjusting nut.
6. according to claim 1 to conical friction piece shaft coupling described in 5 any one, characterized in that left nut limitation ring court
It is equipped with left connection ring to the end face outer edge of end cap, left connection ring is sleeved on end cap outer wall, and right nut limitation ring is towards outer cone
The end face outer edge of set is equipped with right connection ring, and right connection ring is sleeved on external conical sleeve outer wall.
7. conical friction piece shaft coupling according to claim 1, characterized in that connect in right nut limitation ring with pawl assembly
It connects position and is equipped with the mounting hole being arranged radially, mounting hole is in step cavernous structure, and pawl bar is T-shaped, and pawl bar upper end is mounted on
In mounting hole, clamping screw is threaded in mounting hole open end, and pawl bar lower end is in ball coronal structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710633650.3A CN107524725B (en) | 2017-07-28 | 2017-07-28 | Conical friction piece shaft coupling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710633650.3A CN107524725B (en) | 2017-07-28 | 2017-07-28 | Conical friction piece shaft coupling |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107524725A CN107524725A (en) | 2017-12-29 |
| CN107524725B true CN107524725B (en) | 2019-05-14 |
Family
ID=60680420
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710633650.3A Expired - Fee Related CN107524725B (en) | 2017-07-28 | 2017-07-28 | Conical friction piece shaft coupling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107524725B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109404431A (en) * | 2018-10-19 | 2019-03-01 | 邯郸钢铁集团有限责任公司 | A kind of adjustable safety shaft coupling |
| CN110645329A (en) * | 2019-09-23 | 2020-01-03 | 江苏精研科技股份有限公司 | Folding driving device for automatic folding screen mobile phone |
| CN111156261B (en) * | 2019-10-10 | 2023-09-01 | 科大智能物联技术股份有限公司 | Transmission system with adjustable material frame width |
| CN111664194B (en) * | 2020-06-05 | 2021-08-24 | 北京汽车集团越野车有限公司 | Vehicle impact overload protection device and vehicle with same |
| CN112092541A (en) * | 2020-09-17 | 2020-12-18 | 北京汽车集团越野车有限公司 | Driving half shaft overload protection device and vehicle |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1756680A1 (en) * | 1990-11-14 | 1992-08-23 | Редкинское Опытно-Конструкторское Бюро Автоматики | Slipping clutch |
| US8439763B2 (en) * | 2002-12-12 | 2013-05-14 | Brian K. Bosk | Wedge clutch assembly |
| CN102518691A (en) * | 2011-12-19 | 2012-06-27 | 西安威而信精密仪器有限公司 | Frictional connecting ring |
-
2017
- 2017-07-28 CN CN201710633650.3A patent/CN107524725B/en not_active Expired - Fee Related
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| Publication number | Publication date |
|---|---|
| CN107524725A (en) | 2017-12-29 |
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| SE01 | Entry into force of request for substantive examination | ||
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190514 |