CN206555317U - A kind of torque overload protection equipment - Google Patents
A kind of torque overload protection equipment Download PDFInfo
- Publication number
- CN206555317U CN206555317U CN201621479101.2U CN201621479101U CN206555317U CN 206555317 U CN206555317 U CN 206555317U CN 201621479101 U CN201621479101 U CN 201621479101U CN 206555317 U CN206555317 U CN 206555317U
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- 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.)
- Expired - Fee Related
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- Transmission Devices (AREA)
- One-Way And Automatic Clutches, And Combinations Of Different Clutches (AREA)
Abstract
The utility model is related to a kind of overload protection arrangement; a kind of specifically torque overload protection equipment; the torque overload protection device includes the housing for assembling; the enclosure interior is hollow; the power transmission shaft for being used for transmitting power is provided with enclosure interior; the power transmission shaft includes the first power transmission shaft and second driving shaft, and the protection component for overload protection is provided between the first power transmission shaft and second driving shaft.The utility model can realize forward and reverse motion, can recover drive state immediately after Overload torque elimination, while simple in construction, easy assembling, effectively reduction cost of manufacture and maintenance cost；Moment of torsion adjusting range is extensively, easy to use precisely to solve the complicated, technical problem that assembling is cumbersome, poor for applicability present in prior art and integrated in itself with equipment, can be miniaturized in size, low cost, fault rate is low, safe and reliable.
Description
Technical field
The utility model is related to a kind of overload protection arrangement, specifically a kind of torque overload protection equipment.
Background technology
In many transmission mechanisms, in order to avoid core functional components by burst impact produce torque overload and damage or
The serious accident caused by torque overload, can typically set torque overload protection device or mechanism in the driving-chain.At present
In the market, torque overload protection device is divided into embedded (transmitting moment of torsion by tooth, tooth, key or ball etc.) and frictional (utilization
Frictional force transmits moment of torsion).All it is to play torque overload protective effect by way of overloading and skidding.And it is wherein frictional due to material
The factors such as material limitation, are being used it is difficult to ensure that precision after skidding.The mode structure such as utilization tooth, tooth and key in embedded is 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 can not be miniaturized, and cost is higher, poor for applicability.
Utility model content
The purpose of this utility model is to provide the overload protection arrangement being not compromised after a kind of overload for protection device.For
Realize such purpose, the technical scheme that the utility model is provided：
A kind of torque overload protection equipment, the torque overload protection device includes the housing for assembling, the housing
Inner hollow, the power transmission shaft for being used for transmitting power is provided with enclosure interior, and the power transmission shaft includes the first power transmission shaft and second and 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 is in contact with second driving shaft on end face 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 being used 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 and the second ball-and-socket phase in ball groove
Corresponding first ball-and-socket, the height of first ball-and-socket, the height of the second ball-and-socket and ball groove height sum in itself and ball are straight
Footpath is identical.
More than two ball-and-sockets for being used to place ball are designed with first power transmission shaft and second driving shaft, and uniformly
It is arranged on the end face that the first power transmission shaft is in contact with second driving shaft.
Being provided with the first power transmission shaft is used to reset the spring fitted after the first power transmission shaft departs from second driving shaft.
It is socketed with first power transmission shaft for placing spring and being used with thrust plate collocation for being driven to first
The spacing spring base of axle.
The spring base includes being used to the supporting table of support spring and be arranged on to be engaged with thrust plate in supporting table make
With the support column for limiting the first power transmission shaft and second driving shaft separating distance.
It is socketed with and is used in combination with spring base for limiting the first power transmission shaft and the second transmission on first power transmission shaft
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 being driven is provided with the first power transmission shaft and second driving shaft.
The beneficial effects of the utility model：
The utility model can realize forward and reverse motion, can recover drive state immediately after Overload torque elimination, together
When simple in construction, easy assembling, effectively reduction cost of manufacture and maintenance cost；Moment of torsion adjusting range is extensively, easy to use accurate,
The complicated, technical problem that assembling is cumbersome, poor for applicability present in prior art is solved, and it is integrated in itself with equipment,
It can be miniaturized in size, low cost, fault rate is low, safe and reliable.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is sectional view of the present utility model.
Fig. 3 is the stereogram of the power transmission shaft of the utility model first.
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.
Embodiment
A kind of torque overload protection equipment as represented in figure 1, torque overload protection device includes the housing for assembling
4, the inner hollow of housing 4 is provided with the power transmission shaft for being used 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 being arranged on the first power transmission shaft 6 and the power transmission shaft 6 of ball 11 and first and the second biography on the phase-contact surface of second driving shaft 2
Moving axis 2 contacts with each other one end provided with the ball-and-socket for being used to place ball 11, and ball-and-socket includes the first ball being arranged on the first power transmission shaft 6
Nest 8 and the second ball-and-socket 9 corresponding with the first ball-and-socket 8 on second driving shaft 2 is arranged on, 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 utility model uses the first ball-and-socket 8 and the second of second driving shaft 2 of the first power transmission shaft 6
Ball-and-socket 9 is adapted, and 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 is along the first ball
The edge that nest 8 is combined with ball 11 is tilted upward, when the torque that the first power transmission shaft 6 and second driving shaft 2 are transmitted is less than setting
When protecting moment of torsion, the first power transmission shaft 6 and second driving shaft 2 keep overall without sliding driving torque in the presence of spring 7, when the
When the torque being driven between one power transmission shaft 6 and second driving shaft 2 is more than setting protection moment of torsion, due to the first power transmission shaft 6 and second
When stiction between power transmission shaft 2 and ball 11 is not enough to provide driving torque, extruding, ball are produced on the surface of ball 11
11 in the edge of the first ball-and-socket 8 by inclined tangential force, the tangential force of ball 11 resolves into radial and axial component, works as axle
When being more than 7 pressure of spring to component, the first power transmission shaft 6 forms displacement on the surface of ball 11, causes the first power transmission shaft 6 and second to pass
Depart between moving axis 2, 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 of upper semiaxis
Slided in groove.At this moment relative displacement is produced between the first power transmission shaft 6 and second driving shaft 2, reaches the effect that power disconnects.When
When one power transmission shaft 6 is with the torque revocation that is subject on second driving shaft 2 or less than setting moment of torsion, the first power transmission shaft 6 is in spring 7
Original position is returned under effect, and is crushed on the rubbing surface of second driving shaft 2, recovers power transmission, thus can be one
Determine that disconnection power transmission can be played in degree, realize the effect of device overload protection.
As preferred, the first power transmission shaft 6 is used to put with being designed with more than two on second driving shaft 2 in the utility model
The ball-and-socket of ball 11 is put, and is uniformly arranged on one end that the first power transmission shaft 6 is in contact with second driving shaft 2, is passed when first
Moving axis 6 is with second driving shaft 2 provided with more than two ball-and-sockets for being used to place ball 11, and the ball-and-socket will be uniformly arranged on first
One end that power transmission shaft 6 is in contact with second driving shaft 2, is uniformly arranged ball-and-socket and is namely uniformly arranged ball 11, ball 11 is uniform
The balance being provided with beneficial to stress, be conducive to the stability of this torque protection device.
As preferred, ball-and-socket includes the first ball-and-socket being arranged on the first power transmission shaft and is arranged in the utility model
Second ball-and-socket 9 corresponding with the first ball-and-socket 8 on second driving shaft, second ball-and-socket 9 is adapted with ball 11, the second ball-and-socket
9 height is 1/2nd of ball diameter, and the first ball-and-socket 8 is adapted with ball 11, and the depth of the first ball-and-socket 8 is straight less than ball
/ 2nd of footpath, the depth of the first ball-and-socket 8 is in order to ensure the stability and practicality of transmission, and the depth of the first ball-and-socket 8 can not
Less than 1st/20th of the diameter of ball 11, such setting can mutually be passed ensureing the first power transmission shaft 6 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 utility model on the first power transmission shaft 6,
Be provided with first ball-and-socket 8 corresponding with the second ball-and-socket 9 in ball groove, the height of first ball-and-socket 8, the height of the second ball-and-socket 9 and
The height sum of ball groove 12 itself is identical with ball diameter, and the setting of ball groove 12 can be while Ball Transmission be ensured, moreover it is possible to
Ensure that the first power transmission shaft 6 is in contact with the end face of second driving shaft 2, increase the stability of transmission, while ball 11 can also be reduced
Abrasion.
As preferred, it is provided with the utility model on the first power transmission shaft 6 for the first power transmission shaft 6 and second driving shaft
The spring 7 of laminating is resetted after 2 disengagings, the setting of spring 7 can play good reset response, when moment of torsion is excessive, first
After power transmission shaft 6 departs from second driving shaft 2, spring 7 enables to the first power transmission shaft 6 to be contacted with each other again with second driving shaft 2,
Continuation power transmission can be realized.
Be socketed with as preferred, in the utility model on the first power transmission shaft 6 for place spring 7 and with thrust plate 5
Collocation can provide one using the spring base 3 spacing to the first power transmission shaft 6, setting for spring base 3 is used for the spring 7 of reset
Individual more preferable installation site, is conducive to the convenience installed, simultaneously as the optimization that spring base 3 is designed, spring base 3 has one very
Position-limiting action well, spring base 3 can be controlled with the collocation use of thrust plate 5 because moment of torsion is excessive to cause the first power transmission shaft 6 and the
The separating distance of two power transmission shafts 2 separation, and then ensure that ball 11 will not depart from from ball-and-socket.
As preferred, in the utility model spring base 3 include for support spring 7 supporting table 31 and be arranged on branch
The support column for limit the first power transmission shaft 6 and the separating distance of second driving shaft 2 is used in combination with thrust plate 5 on support platform 31
32, supporting table 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
It can be connected with thrust plate 5, support column 32 is socketed on the first power transmission shaft 6, support column 32 can be with the phase interworking of thrust plate 5
Close, to realize to the first power transmission shaft 6 in the control of the separation of second driving shaft 2.
As preferred, it is socketed with and is used in combination with spring base 3 for limiting on the first power transmission shaft 6 in the utility model
First power transmission shaft 6 and the thrust plate 5 of the separating distance of second driving shaft 2, thrust plate 5 is adapted with spring base 3, to realize to first
Power transmission shaft 6 is in the control of the separation of second driving shaft 2, while also having the sealing effectiveness to housing 4.
As preferred, in the utility model on the premise of ensureing that overload device can realize overload protection, thrust plate 5
It is not more than the radius size of ball 11 with the fit-up gap size of spring base 3, such setting can ensure the rolling set in ball-and-socket
Pearl 11 will not completely disengage from, it is to avoid ball 11 is not corresponding with ball-and-socket when spring 7 resets, and causes the present apparatus to reuse.
As preferred, in the first power transmission shaft 6 with being provided with the transmission for being driven on second driving shaft 2 in the utility model
Gear 1, travelling gear 1 is designed with two power transmission shafts, can be conveniently driven, while according to structure of the present utility model, sheet
Device does not require that the first power transmission shaft 6 can serve as driving shaft with second driving shaft 2 or driven shaft exists for installation direction
Used in any device, improve the use scope of torque overload device, also optimize assembly technology, be conducive to optimization to produce,
Improve production efficiency.
As preferred, thrust plate 5 is connected on housing 4 by bolt 10 in the utility model, thrust plate 5 and housing 4
Between be provided with for adjust the pad of spring 7, thrust plate 5 is connected on housing 4 by bolt 10, easy to connect, is easily installed,
There is good sealing effectiveness simultaneously, the pad of spring 7, the choosing of the pad elastic strength of spring 7 are provided between thrust plate 5 and housing 4
Select larger, in the case where not influenceing device overload protection, a damping effect can be played, moreover it is possible to play a regulation and stop
The distance between push jack 5 and spring base 3, when needed, can be by pre- between bolt 10 and thrust plate 5 and housing 4
Clamp force, to realize the decrement of the pad of spring 7, as bigger optimization, we can be provided with baffle plate below sub- thrust plate 5,
Baffle plate is connected on thrust plate 5 by bolt 10, and baffle plate is by the rotation amount of bolt 10, to control to be in the interior panelling of housing 4
Position, and then realize the distance between controllable register and spring base 3.
Using it is above-mentioned according to desirable embodiment of the present utility model as enlightenment, pass through above-mentioned description, related work people
Member can carry out various changes and amendments in the range of without departing from this utility model technological thought completely.This reality
The content on specification is not limited to new technical scope, it is necessary to its technology is determined according to right
Property scope.
Claims (10)
1. a kind of torque overload protection equipment, the torque overload protection device includes the housing for assembling, the housing (4)
Inner hollow, is provided with the power transmission shaft for being used for transmitting power, it is characterised in that the power transmission shaft includes first inside housing (4)
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)
Protect component.
2. a kind of torque overload protection equipment according to claim 1, it is characterised in that the protection component includes setting
The ball (11) and the first power transmission shaft (6) and second being in contact in the first power transmission shaft (6) with second driving shaft (2) on end face are passed
The end face that moving axis (2) contacts with each other is provided with the ball-and-socket for being used for placing ball (11).
3. a kind of torque overload protection equipment 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 equipment 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, first ball-and-socket corresponding with the second ball-and-socket is provided with ball groove (12)
(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 equipment according to claim 1, it is characterised in that first power transmission shaft (6) with
More than two ball-and-sockets for being used to place ball (11) are designed with second driving shaft (2), and are uniformly arranged on the first power transmission shaft
(6) on the end face being in contact with second driving shaft (2).
6. a kind of torque overload protection equipment according to claim 1, it is characterised in that set on the first power transmission shaft (6)
Have and reset the spring fitted (7) after departing from for the first power transmission shaft (6) with second driving shaft (2).
7. a kind of torque overload protection equipment according to claim 1, it is characterised in that on first power transmission shaft (6)
It is socketed with for placing spring (7) and being used with thrust plate (5) collocation for the spring base spacing to the first power transmission shaft (6)
(3), spring base (3) includes being used for the supporting table (31) of support spring and is arranged in supporting table (31) and thrust plate (5) phase
With the use of the support column (32) for limiting the first power transmission shaft (6) and second driving shaft (2) separating distance.
8. a kind of torque overload protection equipment 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 equipment 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 equipment 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 being driven.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621479101.2U CN206555317U (en) | 2016-12-30 | 2016-12-30 | A kind of torque overload protection equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621479101.2U CN206555317U (en) | 2016-12-30 | 2016-12-30 | A kind of torque overload protection equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206555317U true CN206555317U (en) | 2017-10-13 |
Family
ID=60358539
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621479101.2U Expired - Fee Related CN206555317U (en) | 2016-12-30 | 2016-12-30 | A kind of torque overload protection equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206555317U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106594102A (en) * | 2016-12-30 | 2017-04-26 | 芜湖习科控制系统有限公司 | Torque overload protection device |
-
2016
- 2016-12-30 CN CN201621479101.2U patent/CN206555317U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106594102A (en) * | 2016-12-30 | 2017-04-26 | 芜湖习科控制系统有限公司 | Torque overload protection device |
| CN106594102B (en) * | 2016-12-30 | 2023-10-03 | 芜湖习科控制系统有限公司 | Torque overload protection device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| 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: 20171013 Termination date: 20171230 |