CN106499749A - A kind of adjustable antioverloading shaft transmission of moment of torsion - Google Patents
A kind of adjustable antioverloading shaft transmission of moment of torsion Download PDFInfo
- Publication number
- CN106499749A CN106499749A CN201611055488.3A CN201611055488A CN106499749A CN 106499749 A CN106499749 A CN 106499749A CN 201611055488 A CN201611055488 A CN 201611055488A CN 106499749 A CN106499749 A CN 106499749A
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- CN
- China
- Prior art keywords
- sliding sleeve
- shaft
- driving shaft
- driven
- tongue
- 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.)
- Pending
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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
- F16D43/00—Automatic clutches
- F16D43/02—Automatic clutches actuated entirely mechanically
- F16D43/20—Automatic clutches actuated entirely mechanically controlled by torque, e.g. overload-release clutches, slip-clutches with means by which torque varies the clutching pressure
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Friction Gearing (AREA)
Abstract
The invention discloses a kind of adjustable antioverloading shaft transmission of moment of torsion，Including driving shaft、Axle sleeve、Mark closely screw、Spring、Bearing、Active pivot pin、Sliding sleeve、Driven pivot pin and driven shaft，Driven shaft and driving shaft shaft hole matching，Axle sleeve is fixedly connected with driving shaft by marking closely screw，Spring is with bearing holder (housing, cover) on driving shaft，Sliding sleeve is sleeved on driving shaft and driven shaft outer circumference surface simultaneously，Driving shaft pin card is fixedly connected with driving shaft at the convex place of sliding sleeve tongue，Driven shaft pin card is fixedly connected with driven shaft in sliding sleeve bottom portion of groove，Sliding sleeve passes through axle sleeve、Spring and bearing and driven shaft pin axial compression，The present invention is disengaged when realizing axle transmission and axle transmission overload using the notch on sliding sleeve and the interaction of pivot pin and spring automatically and releases the function that rear axle transmission couples automatically with overload，Without the need for artificially interfering，Repeatable antioverloading is used，And it is adjusted merely by the size that the decrement of spring can just arrange moment of torsion.
Description
Technical field
The invention belongs to technical field of mechanical transmission, and in particular to a kind of antioverloading and torque adjust arrange simple
Mechanism for axle transmission.
Background technology
Two axles (driving shaft and driven shaft) in mechanical device in different institutions be allowed to common rotation with transmit rotating speed and
The device used by moment of torsion is usually shaft coupling or coupling band, and in actual use, driving shaft is usually to drive output shaft,
Such as speed reducer output shaft or motor shaft, driven shaft is then the input shaft of driven equipment, in axle transmission application, quilt often occurs
Drive apparatus transship phenomenon, i.e. driven equipment load and become suddenly big, if now drive by force be likely to result in driving equipment or
Driven equipment failure and cause the accident, such as motor burns out, drive shafts fracture, damaged by drive apparatus, and therefore a lot of axles are passed
During dynamic use, the shaft coupling with antioverloading function or coupling band is selected to replace for preventing equipment moment overload from causing the accident common
Shaft coupling or coupling band.
At present, antioverloading safety coupling or coupling band arrange strength weak typically using frictional drive or on shaft coupling
The mode of part realizing, the former by stiction transmission between two panels frictional disk on master and slave moving axis, if equipment is once transship
Between frictional disk, static friction becomes dynamic friction, and transmission failure thus plays antioverloading effect.Fricting transmissioning mode can pass through to adjust
Between two panels frictional disk, contact area and contact force to be arranging maximum delivered torque, such as friction torque-limiting clutch etc.；The latter is
Arrange on shaft coupling and mechanical strength weak part be installed, destroy mechanical strength weakness part if overload first, disconnect transmission,
Made by drive apparatus jerk purpose, such as bellows coupling, Design of Safety Pin Coupling etc. with reaching；Above type shaft coupling exists following
Three problems：
1st, easily worn and torn using friction plate in the antioverloading shaft coupling of fricting transmissioning mode, often need to be changed, transmitted larger
During moment of torsion, areal of friction facing is larger, and its peak torque size is arranged need to be changed the friction plate of different area model to realize；
2nd, can only be worked once using each use of the antioverloading shaft coupling for arranging mechanical strength weakness part mode, once by force
The weak part of degree is destroyed then to need replacing normally could use again, and dismounting is cumbersome, and its maximum driving torque size arranges logical
Cross and change the weak part of different mechanical strengths to realize.
3rd, adjust torque with upper coupling to be both needed to device is carried out to dismantle in various degree can just complete, once antioverloading
Function can not automatically revert to normal original state with upper coupling after working, and need artificial interference, once mounting rear defence mistake
Carry function to repeatedly use.
Content of the invention
In view of this, the invention provides a kind of adjustable antioverloading shaft transmission of moment of torsion, the shaft transmission
Torque is arranged simply, need not be completed by dismounting, realizes that transshipping rear axle is driven disengagement automatically and transships the transmission of releasing axle certainly
Dynamic connection, without the need for artificially interfering, antioverloading function can meet long-time and repeatedly use.
The present invention is achieved through the following technical solutions：
A kind of adjustable antioverloading shaft transmission of moment of torsion, the shaft transmission include driving shaft, axle sleeve, mark closely spiral shell
Nail, spring, bearing, active pivot pin, sliding sleeve, driven pivot pin and driven shaft；
Cylindrical structural of the sliding sleeve for both ends open, one end are provided with two grooves through end, groove
Contour structures are centrosymmetric, the central axis of the line of centres of two grooves by sliding sleeve, the open end of two grooves
It is located at the end face at the sliding sleeve end；Sliding sleeve is provided with the convex-shaped hole through outer circumference surface, and convex part is pointed to and slided
The moving sleeve other end, the convex-shaped hole form tongue, and tongue is closed, and the upper convex portion of tongue is divided into the narrow slideway of tongue, tongue with
In the complete profile projection of groove is generally aligned in the same plane；
Driven shaft and driving shaft shaft hole matching, axle sleeve are fixedly connected with active shaft end by marking closely screw, spring and axle
On driving shaft, sliding sleeve is sleeved on driving shaft and driven shaft outer circumference surface bearing sleeve simultaneously, and driving shaft pin card is in slip cap
It is fixedly connected with driving shaft in the narrow slideway of tongue of cylinder, driven shaft pin card is fixed with driven shaft and connect in the bottom portion of groove of sliding sleeve
Connect, sliding sleeve is by axle sleeve, spring and bearing and driven shaft pin axial compression.
Further, radical length of the radical length of the sliding sleeve tongue more than groove.
Further, the sliding sleeve groove angle lift angle θ values are less than 30 degree, and tongue chute angle beta is not more than 45 degree.
Further, the driven shaft is consistent with driving shaft diameter length.
Further, the driving shaft, axle sleeve, sliding sleeve and driven shaft surface carry out Quenching Treatment.
Beneficial effect：
1st, the present invention adjusts the big of peak torque by the decrement of the axially mounted position adjustments spring of regulation axle sleeve
Little, arrange simply, can complete without the need for dismounting.
2nd, the present invention can realize that transshipping rear axle transmission disengages automatically, and overload releases rear axle transmission and couples automatically, without the need for people
For interfering, antioverloading function can realize that long-time is repeatedly used.
3rd, the key structural parameters groove angle lift angle of sliding sleeve of the present invention and the setting of tongue chute angle are easy to certainly
Dynamic disengagement and reply so that pivot pin motion is reliable.
4th, piece surface of the invention carries out Quenching Treatment, increases case hardness so that mechanism kinematic reliability.
5th, driving shaft of the present invention and driven shaft shaft hole matching, alignment are good.
Description of the drawings
Fig. 1 is the overall structure diagram of the present invention；
Fig. 2 is the structural front view of the present invention；
Fig. 3 is the structure top view of the present invention；
Fig. 4 be Fig. 3 structures A to cross-sectional schematic；
Fig. 5 is the front view of sliding sleeve；
Fig. 6 is the overall structure diagram of sliding sleeve；
Fig. 7 (a), (b) are motion process schematic diagrames of the present invention.
Wherein, 1- driving shafts, 2- axle sleeves, 3- mark closely screw, 4- springs, 5- bearings, 6- active pivot pins, 7- sliding sleeves,
The driven pivot pins of 8-, 9- driven shafts, the narrow slideway of 10- tongues.
Specific embodiment
Develop simultaneously embodiment below in conjunction with the accompanying drawings, describes the present invention.
The invention provides a kind of adjustable antioverloading shaft transmission of moment of torsion, as shown in figure 1, the shaft transmission bag
Include driving shaft 1, axle sleeve 2, mark closely screw 3, spring 4, bearing 5, active pivot pin 6, sliding sleeve 7, driven pivot pin 8 and driven shaft 9,
Driving shaft 1, axle sleeve 2, sliding sleeve 7 and 9 surface of driven shaft carry out Quenching Treatment, to increase case hardness.
As shown in fig. 6, sliding sleeve 7 is the cylindrical structural of both ends open, one end is provided with two grooves through end,
The contour structures of groove are centrosymmetric, and the line of centres of two grooves passes through the central axis of sliding sleeve 7, two grooves
Open end is located at the end face at 7 end of sliding sleeve；Sliding sleeve 7 is provided with the convex-shaped hole through outer circumference surface, upper convex portion
Divide and point to 7 other end of sliding sleeve, the convex-shaped hole forms tongue, tongue is closed, and the upper convex portion of tongue is divided into the narrow cunning of tongue
Road 10, in the complete profile projection of tongue and groove is generally aligned in the same plane, as shown in figure 5, the radical length of tongue is more than groove
Radical length, groove angle lift angle θ values are less than 30 degree, and tongue chute angle beta is not more than 45 degree, convenient disengage and reply, make
Obtain pivot pin motion reliable.
As in Figure 2-4, driven shaft 9 and 1 shaft hole matching of driving shaft, driven shaft 9 are consistent with 1 diameter length of driving shaft, axle
Set 2 is fixedly connected with 1 end of driving shaft by marking closely screw 3, and spring 4 is enclosed within driving shaft 1 with bearing 5, and sliding sleeve 7 is simultaneously
Be sleeved on driving shaft 1 and 9 outer circumference surface of driven shaft, active pivot pin 6 be stuck in the narrow slideway 10 of tongue of sliding sleeve 7 with actively
Axle 1 is fixedly connected, and driven pivot pin 8 is stuck in the bottom portion of groove of sliding sleeve 7 and is fixedly connected with driven shaft 9, and sliding sleeve 7 passes through axle
Set 2, spring 4 and bearing 5 and 8 axial compression of driven pivot pin.
The course of work process of the present invention is as follows.
The course of work one：During normal condition, when driving shaft 1 is rotated clockwise, the rotating speed of driving shaft 1 is with moment of torsion by master
Interaction between moving axis pin 6, sliding sleeve 7 and driven pivot pin 8 passes to driven shaft 9, now, the axle sleeve 2, bullet that is enclosed within axle
Spring 4, bearing 5 and sliding sleeve 7 will follow 9 synchronous axial-rotation of driving shaft 1 and driven shaft, can thus reach axle transmission
Purpose.The size of peak torque is arranged by adjusting 7 bottom portion of groove of the sliding sleeve thrust mutual with driven pivot pin 8 come real
Existing, i.e. 2 axially mounted position of adjustment axle sleeve is realized to adjust the decrement of spring 4.
The course of work two：During overload, when driven shaft 9 transships, 9 load transients of driven shaft increase, reach when load or
When exceeding the peak torque set by shaft transmission, driving shaft 1 is not enough to drive driven shaft 9 to rotate, and driven shaft 9 is stalled.Such as
Fig. 7 (b), now, sliding sleeve 7 under the driving of driving shaft 1 continues to turn clockwise, and driven pivot pin 8 then can be along slip cap
The angle of 7 grooves of cylinder is to its termination sliding so that the direction motion that sliding sleeve 7 is compressed toward spring 4 vertically, active pivot pin 6
Also the narrow slideway 10 of tongue along sliding sleeve 7 is moved at tongue wide opening, when driven pivot pin 8 moves to 7 groove of sliding sleeve
During top, due to be between driving shaft 1 and driven shaft 9, sliding sleeve 7 and two axles gap cooperation, now driving shaft 1 with driven
It is driven completely disengaged between axle 9, thus serves antioverloading effect, driving shaft 1 continues to turn clockwise with sliding sleeve 7
Dynamic, when sliding sleeve 7 turns to groove recess with driven 8 corresponding position of pivot pin, sliding sleeve 7 is made under the effect of spring 4
Driven pivot pin 8 is returned to the bottom portion of groove of sliding sleeve 7, and active pivot pin 6 is returned to tongue from 7 tongue wide opening of sliding sleeve simultaneously
Narrow slideway 10, returns to Fig. 7 (a) states.Its middle (center) bearing 5 can be such that sliding sleeve 7 and spring 4 moves more in the above course of work
Plus reliability is freely.
If overload is not released, the shaft transmission will be repeated the motion of the course of work two, once overload shape
State is released, and shaft transmission is operated the motion of process one by original state is automatically reverted to.Driving shaft 1 is rotated counterclockwise
When, the course of work that its course of work is rotated clockwise with driving shaft 1 is identical.
In sum, presently preferred embodiments of the present invention is these are only, is not intended to limit protection scope of the present invention.
All any modification, equivalent substitution and improvements that within the spirit and principles in the present invention, is made etc., should be included in the present invention's
Within protection domain.
Claims (5)
1. the adjustable antioverloading shaft transmission of a kind of moment of torsion, it is characterised in that the shaft transmission include driving shaft (1),
Axle sleeve (2), mark closely screw (3), spring (4), bearing (5), active pivot pin (6), sliding sleeve (7), driven pivot pin (8) and driven
Axle (9)；
The cylindrical structural of described sliding sleeve (7) for both ends open, one end are provided with two grooves through end, outside groove
Shape structure is centrosymmetric, and the line of centres of two grooves passes through the central axis of sliding sleeve (7), the open end of two grooves
It is located at the end face at sliding sleeve (7) end；Sliding sleeve (7) is provided with the convex-shaped hole through outer circumference surface, convex part
Sliding sleeve (7) other end is pointed to, the convex-shaped hole forms tongue, tongue is closed, and the upper convex portion of tongue is divided into the narrow cunning of tongue
Road, the tongue profile projection complete with groove are generally aligned in the same plane interior；
Driven shaft (9) and driving shaft (1) shaft hole matching, axle sleeve (2) are connected by marking closely screw (3) and being fixed with driving shaft (1) end
Connect, spring (4) is enclosed within driving shaft (1) with bearing (5), sliding sleeve (7) is while be sleeved on driving shaft (1) and driven shaft (9)
On outer circumference surface, active pivot pin (6) is stuck in the narrow slideway of tongue of sliding sleeve (7) and is fixedly connected with driving shaft (1), driven shaft
Pin (8) is stuck in the bottom portion of groove of sliding sleeve (7) and is fixedly connected with driven shaft (9), and sliding sleeve (7) passes through axle sleeve (2), spring
And bearing (5) and driven pivot pin (8) axial compression (4).
2. the adjustable antioverloading shaft transmission of moment of torsion as claimed in claim 1, it is characterised in that the sliding sleeve
(7) radical length of the radical length of tongue more than groove.
3. the adjustable antioverloading shaft transmission of moment of torsion as claimed in claim 1, it is characterised in that the sliding sleeve
(7) groove angle lift angle θ values are less than 30 degree, and tongue chute angle beta is not more than 45 degree.
4. the adjustable antioverloading shaft transmission of moment of torsion as claimed in claim 1, it is characterised in that driven shaft (9)
Consistent with driving shaft (1) diameter length.
5. the adjustable antioverloading shaft transmission of moment of torsion as claimed in claim 1, it is characterised in that driving shaft (1),
Axle sleeve (2), sliding sleeve (7) and driven shaft (9) surface carry out Quenching Treatment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611055488.3A CN106499749A (en) | 2016-11-25 | 2016-11-25 | A kind of adjustable antioverloading shaft transmission of moment of torsion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611055488.3A CN106499749A (en) | 2016-11-25 | 2016-11-25 | A kind of adjustable antioverloading shaft transmission of moment of torsion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106499749A true CN106499749A (en) | 2017-03-15 |
Family
ID=58327468
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611055488.3A Pending CN106499749A (en) | 2016-11-25 | 2016-11-25 | A kind of adjustable antioverloading shaft transmission of moment of torsion |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106499749A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107246860A (en) * | 2017-06-20 | 2017-10-13 | 苏州博众精工科技有限公司 | A kind of bent axle alignment device and aligning method |
| CN107387587A (en) * | 2017-08-18 | 2017-11-24 | 无锡凯绎科技有限公司 | Reused overload safety device |
| CN107420457A (en) * | 2017-10-06 | 2017-12-01 | 东莞市松研智达工业设计有限公司 | A kind of torque limiter of adjustable critical value |
| CN108953472A (en) * | 2018-07-31 | 2018-12-07 | 广西大学 | A kind of non-linear weight torque balance device of mechanical arm |
| CN112610461A (en) * | 2020-12-09 | 2021-04-06 | 嘉善边锋机械股份有限公司 | Electric diaphragm pump with self-protection function |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1117040A (en) * | 1965-12-29 | 1968-06-12 | Gen Electric | Improvements in shaft torque limiting devices |
| US3675745A (en) * | 1971-03-09 | 1972-07-11 | Marcel Pierre Alexis Bouhot | Double acting free wheel |
| US4460078A (en) * | 1981-12-10 | 1984-07-17 | Heide Charles H | Torque release clutch |
| US4898265A (en) * | 1988-01-27 | 1990-02-06 | Sundstrand Corporation | Torque limiter |
| WO2004013447A2 (en) * | 2002-08-01 | 2004-02-12 | Dril-Quip, Inc. | Subsea well production system |
| US20050081916A1 (en) * | 2003-09-12 | 2005-04-21 | Williams Alfred M. | Subsea valve assembly with replaceable fixed orifice insert |
| US20120048565A1 (en) * | 2010-08-27 | 2012-03-01 | Vetco Gray Inc. | Torque tripping mechanism for a valve |
| CN102689681A (en) * | 2011-03-21 | 2012-09-26 | 韦特柯格雷公司 | Remote operated vehicle interface with shear element |
-
2016
- 2016-11-25 CN CN201611055488.3A patent/CN106499749A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1117040A (en) * | 1965-12-29 | 1968-06-12 | Gen Electric | Improvements in shaft torque limiting devices |
| US3675745A (en) * | 1971-03-09 | 1972-07-11 | Marcel Pierre Alexis Bouhot | Double acting free wheel |
| US4460078A (en) * | 1981-12-10 | 1984-07-17 | Heide Charles H | Torque release clutch |
| US4898265A (en) * | 1988-01-27 | 1990-02-06 | Sundstrand Corporation | Torque limiter |
| WO2004013447A2 (en) * | 2002-08-01 | 2004-02-12 | Dril-Quip, Inc. | Subsea well production system |
| US20050081916A1 (en) * | 2003-09-12 | 2005-04-21 | Williams Alfred M. | Subsea valve assembly with replaceable fixed orifice insert |
| US20120048565A1 (en) * | 2010-08-27 | 2012-03-01 | Vetco Gray Inc. | Torque tripping mechanism for a valve |
| CN102689681A (en) * | 2011-03-21 | 2012-09-26 | 韦特柯格雷公司 | Remote operated vehicle interface with shear element |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107246860A (en) * | 2017-06-20 | 2017-10-13 | 苏州博众精工科技有限公司 | A kind of bent axle alignment device and aligning method |
| CN107387587A (en) * | 2017-08-18 | 2017-11-24 | 无锡凯绎科技有限公司 | Reused overload safety device |
| CN107420457A (en) * | 2017-10-06 | 2017-12-01 | 东莞市松研智达工业设计有限公司 | A kind of torque limiter of adjustable critical value |
| CN108953472A (en) * | 2018-07-31 | 2018-12-07 | 广西大学 | A kind of non-linear weight torque balance device of mechanical arm |
| CN112610461A (en) * | 2020-12-09 | 2021-04-06 | 嘉善边锋机械股份有限公司 | Electric diaphragm pump with self-protection function |
| CN112610461B (en) * | 2020-12-09 | 2023-08-25 | 嘉善边锋机械股份有限公司 | Electric diaphragm pump with self-protection function |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170315 |
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| WD01 | Invention patent application deemed withdrawn after publication |