CN106594102A - Torque overload protection device - Google Patents
Torque overload protection device Download PDFInfo
- Publication number
- CN106594102A CN106594102A CN201611264159.XA CN201611264159A CN106594102A CN 106594102 A CN106594102 A CN 106594102A CN 201611264159 A CN201611264159 A CN 201611264159A CN 106594102 A CN106594102 A CN 106594102A
- Authority
- CN
- China
- Prior art keywords
- ball
- power transmission
- transmission shaft
- socket
- overload protection
- 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.)
- Granted
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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
- F16D7/04—Slip couplings, e.g. slipping on overload, for absorbing shock of the ratchet type
- F16D7/06—Slip couplings, e.g. slipping on overload, for absorbing shock of the ratchet type with intermediate balls or rollers
Abstract
The invention relates to an overload protection device, and concretely relates to a torque overload protection device, which comprises a shell for assembling. The shell is hollow inside; transmission shafts for transmitting power are arranged in the shell, and comprise a first transmission shaft and a second transmission shaft; and a protection assembly for overload protection is arranged between the first transmission shaft and the second transmission shaft. The torque overload protection device provided by the invention can realize forward and reverse movement, can recover a transmission state after overload torque is eliminated, and is simple in structure, easy to assemble, and beneficial to effectively reducing the manufacturing cost and the maintenance cost at the same time; and is wide in torque adjustment range and convenient and accurate to use, solves the technical problems of complex structure, complex operation and poor applicability in the prior art, is integrated with equipment, can be miniature in dimension, and is low in cost, low in failure rate, safe and reliable.
Description
Technical field
The present invention relates to a kind of overload protection arrangement, a kind of specifically torque overload protection device.
Background technology
In many drive mechanisms, in order to avoid core functional components by burst impact produce torque overload and damage or
Because torque overload causes serious accident, torque overload protection device or mechanism typically can be set in the driving-chain.At present
On market, torque overload protection device is divided into embedded (by transmitting torques such as tooth, tooth, key or balls) and friction-type (is utilized
Frictional force transmitting torque).All it is to play torque overload protective effect by way of overload is skidded.And wherein friction-type is due to material
The factors such as material restriction, are using it is difficult to ensure that precision after skidding.The mode structures such as utilization tooth, tooth and key in embedded are relatively multiple
Miscellaneous, recoverability is not high.And ball-type overload protective device due to skidding when the centre rolling friction of ball and clutch-plate, so will not
Material is caused to damage, so increasingly should widely use all kinds of transmission fields.But traditional ball-type overload protection
Device structure is more complicated, and size cannot be miniaturized, relatively costly, poor for applicability.
The content of the invention
It is an object of the invention to provide the overload protection arrangement being not compromised after a kind of overload for protection device.
To realize such purpose, the technical scheme that the present invention is provided：
A kind of torque overload protection device, the torque overload protection device includes the housing for assembling, the housing
Inner hollow, in enclosure interior the power transmission shaft for transmitting power is provided with, and the power transmission shaft includes that the first power transmission shaft and second is passed
Moving axis, is provided with the protection component for overload protection between the first power transmission shaft and second driving shaft.
The protection component includes being arranged on the ball that the first power transmission shaft contacts on end face with second driving shaft and the
The end face that one power transmission shaft and second driving shaft contact with each other is provided with the ball-and-socket for placing ball.
The ball-and-socket includes the first ball-and-socket being arranged on the first power transmission shaft and is arranged on second driving shaft and first
The second corresponding ball-and-socket of ball-and-socket, second ball-and-socket is adapted with ball, and the height of the second ball-and-socket is two points of ball diameter
One of, the first ball-and-socket is adapted with ball, and the depth of the first ball-and-socket is less than 1/2nd of ball diameter.
It is described that the ball groove corresponding with the second ball-and-socket is provided with the first power transmission shaft, it is provided with ball groove and the second ball-and-socket phase
Corresponding first ball-and-socket, the height sum and ball of the height, the height of the second ball-and-socket and ball groove itself of first ball-and-socket is straight
Footpath is identical.
It is designed with more than two ball-and-sockets for being used to place ball on first power transmission shaft and second driving shaft, and uniformly
It is arranged on the end face that the first power transmission shaft contacts with second driving shaft.
The spring fitted of resetting is provided with after departing from second driving shaft for the first power transmission shaft on the first power transmission shaft.
It is socketed with first power transmission shaft for placing spring and using for being driven to first with thrust plate collocation
The spacing spring base of axle.
The spring base include for support spring supporting table and be arranged on to be engaged with thrust plate in supporting table and make
With for limiting the support column of the first power transmission shaft and second driving shaft separating distance.
It is socketed with first power transmission shaft and is used in combination for limiting the first power transmission shaft and the second transmission with spring base
The thrust plate of axle separating distance.
The thrust plate is not more than the radius size of ball with spring base fit-up gap size.
The travelling gear for transmission is provided with the first power transmission shaft and second driving shaft.
Beneficial effects of the present invention：
The present invention can realize forward and reverse motion, can immediately recover drive state after Overload torque is eliminated, while knot
Structure is simple, easily assembling, effectively reduces cost of manufacture and maintenance cost；Moment of torsion adjusting range is extensively, easy to use accurate, solves
Complex structure present in prior art, assemble technical problem loaded down with trivial details, poor for applicability, and, size integrated with equipment itself
On can be miniaturized, low cost, fault rate is low, safe and reliable.
Description of the drawings
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the sectional view of the present invention.
Fig. 3 is the axonometric chart of the first power transmission shaft of the invention.
1st, travelling gear, 2, second driving shaft, 3, spring base, 31, supporting table, 32, support column, 4, housing, 5, thrust plate,
6th, the first power transmission shaft, 7, spring, the 8, first ball-and-socket, the 9, second ball-and-socket, 10, bolt, 11, ball, 12, ball groove.
Specific embodiment
A kind of torque overload protection device as represented in figure 1, torque overload protection device includes the housing for assembling
4, the inner hollow of the housing 4 is provided with the power transmission shaft for transmitting power inside housing 4, and power transmission shaft includes the first power transmission shaft 6
With second driving shaft 2, the protection component for overload protection, protection group are provided between the first power transmission shaft 6 and second driving shaft 2
Part includes that be arranged on the first power transmission shaft 6 passes with the power transmission shaft 6 and second of ball 11 and first on the phase-contact surface of second driving shaft 2
The one end that contacts with each other of moving axis 2 is provided with ball-and-socket for placing ball 11, and ball-and-socket includes the first ball being arranged on the first power transmission shaft 6
Nest 8 and second ball-and-socket 9 corresponding with the first ball-and-socket 8 is arranged on second driving shaft 2, second ball-and-socket 9 and ball 11
It is adapted, the depth of the second ball-and-socket is 1/2nd of the diameter of ball 11, and the first ball-and-socket 8 is adapted with ball 11, and depth is less than
/ 2nd of the volume of ball 11, the present invention is using the first ball-and-socket 8 of the first power transmission shaft 6 and the second ball-and-socket 9 of second driving shaft 2
Be adapted, the first ball-and-socket 8 is using the design less than semicircle so that stress of the ball 11 in the first ball-and-socket 8 along the first ball-and-socket 8 with
The edge that ball 11 is combined tilts upward, when the first power transmission shaft 6 is turned round with the torque of the transmission of second driving shaft 2 less than setting protection
During square, the first power transmission shaft 6 keeps overall without sliding driving torque with second driving shaft 2 in the presence of spring 7, when the first transmission
When the torque being driven between axle 6 and second driving shaft 2 is more than setting protection moment of torsion, due to the first power transmission shaft 6 and second driving shaft 2
And the stiction between ball 11 is when being not enough to provide driving torque, extruding is produced on the surface of ball 11, ball 11 is the
The edge of one ball-and-socket 8 is subject to inclined tangential force, the tangential force of ball 11 to resolve into radial and axial component, work as axial thrust load
During more than 7 pressure of spring, the first power transmission shaft 6 forms displacement on the surface of ball 11, causes the first power transmission shaft 6 and second driving shaft 2
Between depart from, at this moment axial force further expands, and causes the first power transmission shaft 6 by jack-up, and ball 11 is in the ball groove of upper semiaxis
Slide.At this moment relative displacement is produced between the first power transmission shaft 6 and second driving shaft 2, reaches the effect of power disconnection.When the first biography
The torque revocation that is subject on moving axis 6 and second driving shaft 2 or during less than setting moment of torsion, effect of first power transmission shaft 6 in spring 7
Under return to original position, and be crushed on the rubbing surface of second driving shaft 2, recover power transmission, thus can be in certain journey
Disconnection power transmission can be played on degree, the effect of device overload protection is realized.
As preferred, be designed with the first power transmission shaft 6 and second driving shaft 2 in the present invention more than two for place roll
The ball-and-socket of pearl 11, and one end that the first power transmission shaft 6 contacts with second driving shaft 2 is uniformly arranged on, when in the first power transmission shaft 6
More than two ball-and-sockets for placing ball 11 are provided with second driving shaft 2, the ball-and-socket will be uniformly arranged on the first transmission
One end that axle 6 contacts with second driving shaft 2, is uniformly arranged ball-and-socket and is namely uniformly arranged ball 11, and ball 11 uniformly sets
The balance beneficial to stress is equipped with, is conducive to the stability of this torque protection device.
Used as preferred, ball-and-socket includes the first ball-and-socket being arranged on the first power transmission shaft and is arranged on second in the present invention
Second ball-and-socket 9 corresponding with the first ball-and-socket 8 on power transmission shaft, second ball-and-socket 9 is adapted with ball 11, the second ball-and-socket 9
It is highly 1/2nd of ball diameter, the first ball-and-socket 8 is adapted with ball 11, the depth of the first ball-and-socket 8 is less than ball diameter
1/2nd, in order to ensure the stability and the practicality that are driven, the depth of the first ball-and-socket 8 can not be little for the depth of the first ball-and-socket 8
In 1st/20th of the diameter of ball 11, such setting can mutually be passed the first power transmission shaft 6 is ensured with second driving shaft 2
It is dynamic, moreover it is possible to reduce the abrasion of ball.
As preferred, the ball groove corresponding with the second ball-and-socket 9 is provided with the first power transmission shaft 6 in the present invention, in ball groove
Inside it is provided with first ball-and-socket 8 corresponding with the second ball-and-socket 9, the height of first ball-and-socket 8, the height of the second ball-and-socket 9 and ball groove
12 height sums itself are identical with ball diameter, and the setting of ball groove 12 can be while Ball Transmission be ensured, moreover it is possible to ensured
First power transmission shaft 6 contacts with the end face of second driving shaft 2, increases the stability of transmission, while the mill of ball 11 can also be reduced
Damage.
As preferred, it is provided with the first power transmission shaft 6 in the present invention and is taken off for the first power transmission shaft 6 and second driving shaft 2
From the spring 7 of the rear laminating that resets, the setting of spring 7 can play good reset response, when moment of torsion is excessive, in the first transmission
After axle 6 departs from second driving shaft 2, spring 7 enables to the first power transmission shaft 6 and contacts with each other again with second driving shaft 2, can
Realize continuing power transmission.
As preferred, it is socketed with for placing spring 7 and arranging in pairs or groups with thrust plate 5 on the first power transmission shaft 6 in the present invention
Using for the spring base 3 spacing to the first power transmission shaft 6, arranging for spring base 3 can provide the spring 7 of reset one more
Good installation site, is conducive to the convenience installed, simultaneously as the optimization of the design of spring base 3, spring base 3 has one well
Position-limiting action, spring base 3 can control to cause the first power transmission shaft 6 and second to pass because moment of torsion is excessive with the collocation use of thrust plate 5
The detached separating distance of moving axis 2, and then ensure that ball 11 will not depart from from ball-and-socket.
As preferred, in the present invention spring base 3 include for support spring 7 supporting table 31 and be arranged on supporting table
The support column 32 for limiting the first power transmission shaft 6 and the separating distance of second driving shaft 2 is used in combination with thrust plate 5 on 31,
Support platform 31 is used to place spring 7, and the one end of spring 7 is connected with supporting table 31, and the other end can be connected with housing 4 can also be with
Thrust plate 5 is connected, and support column 32 is socketed on the first power transmission shaft 6, and support column 32 can cooperate with thrust plate 5, comes real
Now to the first power transmission shaft 6 in the detached control of second driving shaft 2.
As preferred, it is socketed with the first power transmission shaft 6 in the present invention and is used in combination for limiting first with spring base 3
The thrust plate 5 of power transmission shaft 6 and the separating distance of second driving shaft 2, thrust plate 5 is adapted to realize being driven to first with spring base 3
Axle 6 is in the detached control of second driving shaft 2, while also having the sealing effectiveness to housing 4.
As preferred, in the present invention on the premise of ensureing that overload device can realize overload protection, thrust plate 5 and bullet
The fit-up gap size of spring abutment 3 is not more than the radius size of ball 11, and such setting can ensure that the ball 11 arranged in ball-and-socket
Will not completely disengage from, it is to avoid ball 11 is not corresponding with ball-and-socket when spring 7 resets, and making cost apparatus can not reuse.
As preferred, the travelling gear for transmission is provided with the first power transmission shaft 6 with second driving shaft 2 in the present invention
1, be designed with travelling gear 1 on two power transmission shafts, can conveniently be driven, while structure of the invention, this device for
Installation direction does not require that the first power transmission shaft 6 can serve as driving shaft or driven shaft in any device with second driving shaft 2
Used in, the use range of torque overload device is improve, assembly technology is also optimized, be conducive to optimization production, improve production
Efficiency.
Used as preferred, thrust plate 5 is connected on housing 4 by bolt 10 in the present invention, between thrust plate 5 and housing 4
The pad of spring 7 for adjusting is provided with, thrust plate 5 is connected on housing 4 by bolt 10, easy to connect, is easily installed, while
With good sealing effectiveness, be provided with the pad of spring 7 between thrust plate 5 and housing 4, the pad elastic strength of spring 7 select compared with
Big, in the case where device overload protection is not affected, a damping effect can be played, moreover it is possible to play a regulation thrust plate
The distance between 5 and spring base 3, when needed, can pass through the pretightning force between bolt 10 and thrust plate 5 and housing 4,
To realize the decrement of the pad of spring 7, used as bigger optimization, we can be provided with baffle plate with the sub- lower section of thrust plate 5, and baffle plate leads to
Cross bolt 10 to be connected on thrust plate 5, baffle plate is controlled in the position of the interior panelling of housing 4 by the rotation amount of bolt 10,
Further realize the distance between controllable register and spring base 3.
With the above-mentioned desirable embodiment according to the present invention as enlightenment, by above-mentioned description, relevant staff is complete
Entirely various change and modification can be carried out in the range of without departing from this invention technological thought.The technology of this invention
Property scope is not limited to the content in description, it is necessary to its technical scope is determined according to right.
Claims (10)
1. a kind of torque overload protection device, the torque overload protection device includes the housing for assembling, the housing (4)
Inner hollow, is provided with the power transmission shaft for transmitting power inside housing (4), it is characterised in that the power transmission shaft includes first
Power transmission shaft (6) and second driving shaft (2), are provided with for overload protection between the first power transmission shaft (6) and second driving shaft (2)
Protection component.
2. a kind of torque overload protection device according to claim 1, it is characterised in that the protection component includes arranging
The ball (11) and the first power transmission shaft (6) and second contacted with second driving shaft (2) on end face in the first power transmission shaft (6) is passed
The end face that moving axis (2) contacts with each other is provided with the ball-and-socket for placing ball (11).
3. a kind of torque overload protection device according to claim 2, it is characterised in that the ball-and-socket includes being arranged on the
The first ball-and-socket (8) on one power transmission shaft (6) and it is arranged on corresponding with the first ball-and-socket (8) second on second driving shaft (2)
Ball-and-socket (9), second ball-and-socket (9) is adapted with ball (11), the height of the second ball-and-socket for ball (11) diameter two/
One, the first ball-and-socket (8) is adapted with ball (11), and the depth of the first ball-and-socket is less than 1/2nd of ball (11) diameter.
4. a kind of torque overload protection device according to claim 3, it is characterised in that described in the first power transmission shaft (6)
The ball groove (12) corresponding with the second ball-and-socket is provided with, in ball groove (12) first ball-and-socket corresponding with the second ball-and-socket is provided with
(8), the height sum and ball (11) of the height of first ball-and-socket (8), the height of the second ball-and-socket (9) and ball groove (12) itself
Diameter is identical.
5. a kind of torque overload protection device according to claim 1, it is characterised in that first power transmission shaft (6) with
More than two are designed with second driving shaft (2) for placing the ball-and-socket of ball (11), and are uniformly arranged on the first power transmission shaft
(6) on the end face contacted with second driving shaft (2).
6. a kind of torque overload protection device according to claim 1, it is characterised in that set on the first power transmission shaft (6)
There is the spring (7) fitted that resets after departing from second driving shaft (2) for the first power transmission shaft (6).
7. a kind of torque overload protection device according to claim 1, it is characterised in that on first power transmission shaft (6)
It is socketed with for placing spring (7) and using for the spring base spacing to the first power transmission shaft (6) with thrust plate (5) collocation
(3), spring base (3) include for support spring supporting table (31) and be arranged in supporting table (31) and thrust plate (5) phase
With the use of for limiting the support column (32) of the first power transmission shaft (6) and second driving shaft (2) separating distance.
8. a kind of torque overload protection device according to claim 1, it is characterised in that on first power transmission shaft (6)
It is socketed with the thrust being used in combination with spring base (3) for limiting the first power transmission shaft (6) and second driving shaft (2) separating distance
Piece (5).
9. a kind of torque overload protection device according to claim 8, it is characterised in that the thrust plate (5) and spring
Seat (3) fit-up gap size is not more than the radius size of ball (11).
10. a kind of torque overload protection device according to claim 1, it is characterised in that in the first power transmission shaft (6) and the
Two power transmission shafts (2) are provided with the travelling gear (1) for transmission.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611264159.XA CN106594102B (en) | 2016-12-30 | 2016-12-30 | Torque overload protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611264159.XA CN106594102B (en) | 2016-12-30 | 2016-12-30 | Torque overload protection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106594102A true CN106594102A (en) | 2017-04-26 |
| CN106594102B CN106594102B (en) | 2023-10-03 |
Family
ID=58581938
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611264159.XA Active CN106594102B (en) | 2016-12-30 | 2016-12-30 | Torque overload protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106594102B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110301670A (en) * | 2019-07-30 | 2019-10-08 | 福建中烟工业有限责任公司 | Conveying device and cigarette conveying equipment |
| CN110814831A (en) * | 2019-11-25 | 2020-02-21 | 上海工程技术大学 | Torque protection device |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1394920A (en) * | 1972-08-24 | 1975-05-21 | Twin Disc Inc | Torque limiting coupling |
| ATA568879A (en) * | 1978-12-09 | 1987-07-15 | Walterscheid Gmbh Jean | OVERLOAD CLUTCH |
| CN1694786A (en) * | 2002-09-13 | 2005-11-09 | 百得有限公司 | Rotary tool |
| CN101561020A (en) * | 2008-04-15 | 2009-10-21 | 株式会社椿艾默生 | Overload protection device |
| CN202707847U (en) * | 2012-04-28 | 2013-01-30 | 连云港职业技术学院 | Safety coupling |
| CN203604463U (en) * | 2013-11-08 | 2014-05-21 | 襄阳中和机电技术有限公司 | Torque limiter |
| CN204572851U (en) * | 2015-04-27 | 2015-08-19 | 台州市四海机械有限公司 | Torque clutch |
| CN105465210A (en) * | 2016-02-01 | 2016-04-06 | 辽宁科技学院 | Torque overload protector |
| CN206555317U (en) * | 2016-12-30 | 2017-10-13 | 芜湖习科控制系统有限公司 | A kind of torque overload protection equipment |
-
2016
- 2016-12-30 CN CN201611264159.XA patent/CN106594102B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1394920A (en) * | 1972-08-24 | 1975-05-21 | Twin Disc Inc | Torque limiting coupling |
| ATA568879A (en) * | 1978-12-09 | 1987-07-15 | Walterscheid Gmbh Jean | OVERLOAD CLUTCH |
| CN1694786A (en) * | 2002-09-13 | 2005-11-09 | 百得有限公司 | Rotary tool |
| CN101561020A (en) * | 2008-04-15 | 2009-10-21 | 株式会社椿艾默生 | Overload protection device |
| CN202707847U (en) * | 2012-04-28 | 2013-01-30 | 连云港职业技术学院 | Safety coupling |
| CN203604463U (en) * | 2013-11-08 | 2014-05-21 | 襄阳中和机电技术有限公司 | Torque limiter |
| CN204572851U (en) * | 2015-04-27 | 2015-08-19 | 台州市四海机械有限公司 | Torque clutch |
| CN105465210A (en) * | 2016-02-01 | 2016-04-06 | 辽宁科技学院 | Torque overload protector |
| CN206555317U (en) * | 2016-12-30 | 2017-10-13 | 芜湖习科控制系统有限公司 | A kind of torque overload protection equipment |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110301670A (en) * | 2019-07-30 | 2019-10-08 | 福建中烟工业有限责任公司 | Conveying device and cigarette conveying equipment |
| CN110814831A (en) * | 2019-11-25 | 2020-02-21 | 上海工程技术大学 | Torque protection device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106594102B (en) | 2023-10-03 |
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