CN209654464U - A kind of antioverloading shaft coupling - Google Patents
A kind of antioverloading shaft coupling Download PDFInfo
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- CN209654464U CN209654464U CN201920101864.0U CN201920101864U CN209654464U CN 209654464 U CN209654464 U CN 209654464U CN 201920101864 U CN201920101864 U CN 201920101864U CN 209654464 U CN209654464 U CN 209654464U
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Abstract
The utility model relates to a kind of antioverloading shaft couplings, it includes the left axle sleeve and right axle sleeve of coaxial arrangement, left axle sleeve outer circumference surface is equipped with fixed ring, fixed ring outer peripheral surface, which is equipped with, runs through slot, ball is equipped in slot, right axle sleeve end is connected with connection ring around left axle sleeve, connection ring is equipped with several deep gouges, it is rotatablely connected between left axle sleeve and right axle sleeve, throw-out collar is arranged with outside fixed ring, throw-out collar is equipped with arc groove, and driving throw-out collar is equipped in support sleeve and slides towards ball and then ball part is pushed into the elastic component in deep gouge.When shaft coupling nonoverload, ball part is located in slot, is partially located in deep gouge, and under the transmitting of ball, left axle sleeve and right axle sleeve are rotated synchronously, and realizes transmission；When shaft coupling overloads, left axle sleeve stalling or close to stalling, connection ring overcomes the elastic force of elastic component that steel ball is ejected deep gouge, and left axle sleeve and right axle sleeve are released and be sequentially connected, right axle sleeve be in idling conditions, effective protection coupler structure and motor, realization overload protection.
Description
Technical field
The utility model relates to the technical fields of shaft coupling, more particularly, to a kind of antioverloading shaft coupling.
Background technique
The main function of shaft coupling is but also to be used as safety device for transmitting torque, in case machine overloads Shi Qibao
Shield effect, current shaft coupling is many kinds of, but its ability for transmitting torque is constant non-adjustable, without overload protection function, only
It can play a transmitting torque, not have the effect of a safety device.
Therefore, publication No. provides a kind of novel adjustable antioverloading shaft coupling for the patent of invention of CN104533978A,
Including left axle, the support sleeve other end is connect with gland is adjusted, and left friction plate is fixed on the left axle frictional disk of left axle, in right axle
Right frictional disk on be fixed with right friction plate, pressing sleeve is equipped in right axle and pressing sleeve is close to the right axle seal face of right axle, spring
It is mounted on pressing sleeve and adjusts between gland.During transmitting torque, the torque transmitted between two axis increases to close suddenly
Or when more than set torque value, which plays the role of protecting Work machine.
It is that transmission is realized using friction plate between left axle and right axle in the prior art, when the torque transmitted is greater than two
When frictional force between a friction plate, the disconnecting of left axle and right axle, before shutting down motor, two friction plates are still
In Frotteurism, when in use, the abrasion between friction plate is more serious, and maintenance is got up inconvenient.
Utility model content
The purpose of the utility model is to provide a kind of antioverloading shaft coupling, can avoid the occurrence of because of friction plate not in time
The case where replacing and losing antioverloading function.
The above-mentioned purpose of utility model of the utility model has the technical scheme that a kind of antioverloading connection
Axis device, left axle sleeve and right axle sleeve including coaxial arrangement, it is characterised in that: the left axle sleeve outer circumference surface, which is equipped with, to be fixed
Ring, on the fixed ring outer peripheral surface along left axle sleeve length direction be equipped with section be it is semicircular run through slot, if described be through slot
Dry circumference array is arranged in fixed ring, described that ball is equipped in slot, and the right axle sleeve end surrounds left axle external threading
It is connected with connection ring, the connection ring with ball towards being correspondingly provided with several deep gouges on the end face of ball, the left axle sleeve and right
Limitation left axle sleeve and right axle sleeve limiting device in axial sliding are rotatablely connected and be equipped between axle sleeve, are arranged with outside the fixed ring
Throw-out collar, the throw-out collar are equipped with the arc groove that limitation steel ball is radially slided along throw-out collar, and the arc groove is arranged in a ring, further include
It drives throw-out collar to slide towards ball and then ball part is pushed into the elastic component in deep gouge.
Through the above technical solutions, being only able to rotate between left axle sleeve and right axle sleeve under the position-limiting action of limiting device, nothing
Method slides axially, and when shaft coupling nonoverload, elastic component will drive throw-out collar to slide towards connection ring, and ball part, which is located at, runs through slot
It is interior, partially it is located in deep gouge, under the transmitting of ball, left axle sleeve and right axle sleeve are rotated synchronously, and realize transmission；Shaft coupling overload
When, left axle sleeve stalls or close to stalling, right axle sleeve still does uniform rotation under motor drive at this time, and connection ring overcomes elasticity
Steel ball is ejected deep gouge by the elastic force of part, and throw-out collar and steel ball are directed away from the direction sliding of right axle sleeve, at this time left axle sleeve and right axle sleeve
Transmission connection is released, right axle sleeve be in idling conditions, effective protection coupler structure and motor, realization overload protection.
Preferably, the left axle sleeve external screw thread is connected with abutment ring, the elastic component include setting throw-out collar with abut
Butterfly spring between ring, described butterfly spring one end are abutted with abutment ring, and the other end is abutted with fixed ring.
Through the above technical solutions, butterfly spring can effectively improve the work of antioverloading shaft coupling to the uniform force of throw-out collar
Stability.
Preferably, the left axle sleeve is equipped with ladder and annular groove, the connection ring and the right side close to the end of right axle sleeve
Axle sleeve junction is equipped with bearing annular groove, and limiting device includes being arranged on ladder and the bearing equal with bearing annular groove width and embedding
In, for limiting the retaining ring of bearing axial displacement, the bearing outer ring is located in bearing annular groove in annular groove.
Through the above technical solutions, under the position-limiting action of retaining ring and ladder, bearing is fixed on a left side after installing
In the annular groove of sleeve end, it is located in the bearing annular groove of right axle sleeve due to bearing outer ring, under the position-limiting action of bearing
It realizes the rotation connection of left axle sleeve and right axle sleeve, while realizing the limit of the axis direction of left axle sleeve and right axle sleeve.
Preferably, being arranged with support sleeve, described support sleeve one end and right axle sleeve outer wall outside the left axle sleeve and right axle sleeve
The fixed other end extends to outside left axle sleeve, and the support sleeve other end is equipped with the cover board being set in outside left axle sleeve, the cover board with
Support sleeve end is detachably fixed connection.
Through the above technical solutions, support sleeve can be adequately protected connection by covering left axle sleeve, right axle sleeve and its connection component
The internal structure of axis device is not interfered by foreign object interference or external force, effectively extends the service life of shaft coupling.
Preferably, being radially provided with opening along abutment ring in abutment ring, drive is connected with perpendicular to open-top screw thread in abutment ring
The opposite side of dynamic opening adjusting bolt adjacent to each other.
Through the above technical solutions, the movable mounting structure that opening and adjusting bolt are formed can effectively simplify abutment ring peace
Dress process, and the inner diameter size of adjustable abutment ring adjust the tightness being threadedly coupled between abutment ring and left axle sleeve, from
And improve coupler structure stability.
Preferably, abutment ring outer peripheral surface is equipped with driven gear, it is rotatably connected on support sleeve and is engaged with driven gear
Driving gear, driving gear part stretches out outside support sleeve, and the shaft of driving gear is arranged along throw-out collar radial slippage in support sleeve
On, driving spring of the driving gear far from driven gear is additionally provided in support sleeve.
Through the above technical solutions, spring driving driving gear is separated with driven gear under normal condition, adjusted when desired
When the elastic force of butterfly spring, driving gear is pressed down on, driving gear is engaged with driven gear, as long as rotating driving gear at this time
Driven gear can be driven to rotate, so that abutment ring be driven to rotate, adjust abutment ring axial position, change the compression of elastic component
Power adjusts the overload values of left axle sleeve and right axle sleeve.
Preferably, opposite driving gear side is equipped with convex block on support sleeve outer wall, being threaded on convex block can be with
The fixing bolt that the side that driving gear stretches out outside support sleeve abuts.
As long as avoiding connection ring from occurring through the above technical solutions, driving gear can be fixed by adjusting fixing bolt
Misroute phenomenon.
Preferably, be equipped with the shoe cream room that is arranged in a ring in throw-out collar, arc groove inner wall is equipped with to be communicated with shoe cream room
Oil outlet.
By above-mentioned function and effect, lubricating oil out of shoe cream room via oil outlet outflow can effectively reduce steel ball and throw-out collar,
The friction of fixed ring and connection ring extends the service life of shaft coupling to reduce abrasion.
In conclusion the advantageous effects of the utility model are as follows:
1. effectively be connected and fixed shaft while, once overload, connection shaft can relatively rotate do not destroy shaft coupling and
Shaft；
2. the locking degree of shaft coupling can be adjusted outside shaft coupling；
Detailed description of the invention
Fig. 1 is the sectional arrangement drawing (drive state) of the utility model.
Fig. 2 is the sectional arrangement drawing (releasing drive state) of the utility model.
Fig. 3 is the sectional arrangement drawing of the utility model, embodies driving gear and driven gear installation.
Fig. 4 is the assembly explosive view of the utility model.
Fig. 5 is the shoe cream room cross-sectional view of the utility model, embodies oil storage cavity structure schematic diagram
In figure, 1, left axle sleeve；11, fixed ring；111, run through slot；12, annular groove；2, right axle sleeve；21, bulge loop；211, even
Connect ring；2111, deep gouge；2112, bearing annular groove；3, ball；4, throw-out collar；41, arc groove；5, butterfly spring；51, abutment ring；
511, it is open；512, bolt is adjusted；6, bearing；61, retaining ring；7, support sleeve；71, cover board；8, driven gear；81, driving gear；
82, spring；9, convex block；91, fixing bolt；10, shoe cream room；101, oil outlet.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing 1-5.
Referring to Fig.1, a kind of antioverloading shaft coupling, left axle sleeve 1 and right axle sleeve 2 including coaxial arrangement, left axle sleeve 1 and the right side
It is rotatablely connected between axle sleeve 2 and limiting device, limiting device can make in axial sliding with right axle sleeve 2 equipped with limitation left axle sleeve 1
Obtaining can only rotate between left axle sleeve 1 and right axle sleeve 2, can not slide axially.
Referring to Fig.1 and Fig. 2 is set on 1 outer circumference surface of left axle sleeve to fix the relative position of left axle sleeve 1 and right axle sleeve 2
There is fixed ring 11, being equipped with section along 1 length direction of left axle sleeve on 11 outer peripheral surface of fixed ring is semicircular through slot 111, is run through
Slot 111 is that several circumference array are arranged outside left axle sleeve 1, each is equipped with a ball 3, the end of right axle sleeve 2 in slot 111
It is equipped with connection ring 211 around left axle sleeve 1 on face, connection ring 211 is connect with 2 end of right axle sleeve by sunk screw, connection ring 211
Several deep gouges 2111 are correspondingly provided on towards the end face of ball 3 with ball 3.Throw-out collar 4 is arranged with outside fixed ring 11, on throw-out collar 4
Equipped with the arc groove 41 that limitation steel ball is radially slided along throw-out collar 4, the section of arc groove 41 is quadrant, arc groove 41 and rolling
The cooperation of pearl 3, arc groove 41 are arranged in a ring, and driving throw-out collar 4 is equipped in support sleeve 7 and is slided in turn towards ball 3 by 3 part of ball
The elastic component being pushed into deep gouge 2111；When antioverloading shaft coupling nonoverload, steel ball by throw-out collar 4, connection ring 211 and is consolidated simultaneously
Determine the package limitation of ring 11 to be axially and radially displaced, to hinder the radial displacement of left axle sleeve 1 and right axle sleeve 2, elastic component is by pushing away
Ring 4 makes left axle sleeve 1 close to the power of right axle sleeve 2 to steel ball transmitting, and bearing 6, which is transmitted by bearing annular groove 2112 to steel ball, hinders right axle
2 power far from left axle sleeve 1 are covered, thus circumferentially fixed left axle sleeve 1 and right axle sleeve 2；When antioverloading shaft coupling overload, steel ball and push away
Ring 4 can slide due to the deformability of elastic element far from right axle sleeve 2, and right axle sleeve 2 can be rotated relative to left axle sleeve 1, to not break
The shaft of bad connection structure and connection.
Referring to Fig.1 and Fig. 2, in order to realize the limit of left axle sleeve 1 and right axle sleeve 2 in the axial direction, in left axle sleeve 1
It is equipped with ladder and annular groove 12 close to the end of right axle sleeve 2, connection ring 211 and 2 junction of right axle sleeve are equipped with bearing annular groove
2112, bearing annular groove 2112 is arranged on the inner peripheral surface of connection ring 211, and limiting device includes being arranged on ladder and and bearer ring
The equal bearing 6 of 2112 width of slot and in annular groove 12 for limiting the retaining ring 61 of 6 axial displacement of bearing, outside institute's bearing 6
Circle is located in bearing annular groove 2112.
Referring to Fig.1 and Fig. 2, for 4 position of axial restraint throw-out collar, 1 external screw thread of left axle sleeve is connected with abutment ring 51, elasticity
Part includes the butterfly spring 5 being arranged between throw-out collar 4 and abutment ring 51, and the inner edge of butterfly spring 5 abuts 51 outer rim of abutment ring and supports
Throw-out collar 4 is connect, butterfly spring 5 can uniformly exert a force to throw-out collar 4, improve the stability of antioverloading shaft coupling work.
Referring to Fig.1 and Fig. 2, in order to protect the structure of the shaft coupling not interfered and destroyed by external factor, left axle sleeve 1 with
Support sleeve 7 is arranged with outside right axle sleeve 2,7 one end of support sleeve and the fixed other end of 2 outer wall of right axle sleeve are extended to outside left axle sleeve 1, supported
It covers 7 ends and is equipped with the cover board 71 being set in outside left axle sleeve 1, cover board 71 is detachably fixed with 7 end of support sleeve and connect, this can be filled
Divide the service life of extension shaft coupling.
Referring to Fig.1 and Fig. 2, in order to reduce the overall weight of shaft coupling, mitigate inertia to shaft coupling operation stability
Destruction, while facilitating installation connection ring 211, it is equipped with bulge loop 21 close to 1 one end of left axle sleeve in right axle sleeve 2, connection ring 211 is solid
It is scheduled on 21 end face of bulge loop, saves material while guaranteeing connection ring 211 and 2 connection effect of right axle sleeve.
It is radially provided with out in abutment ring 51 along abutment ring 51 referring to Fig. 3 and Fig. 4 for the installation of convenient abutment ring 51
Mouthfuls 511, i.e. the generally c-shaped setting of the shape of abutment ring 51 is threaded with driving opening perpendicular to opening 511 in abutment ring 51
511 opposite sides adjusting bolt 512 adjacent to each other, if rotation adjust bolt 512 can diameter to abutment ring 51 into
The enclasping force that row adjusts so as to adjust abutment ring 51 and left axle sleeve 1, while the work of the elastic influence shaft coupling by abutment ring 51
Make stability.
It needs to exist to abutment ring 51 to keep butterfly spring 5 adjustable to the pressing force of throw-out collar 4 referring to Fig. 3 and Fig. 4
Position on left axle sleeve 1 is adjusted, and the outer peripheral surface of abutment ring 51 is equipped with driven gear 8, be rotatably connected on support sleeve 7 with
The driving gear 81 that driven gear 8 engages, 81 part of driving gear are stretched out outside support sleeve 7, and the shaft of driving gear 81 is along abutting
51 radial slippage of ring is arranged on support sleeve 7, and driving spring of the driving gear 81 far from driven gear 8 is additionally provided in support sleeve 7
82, when normal work, driving gear 81 is not engaged with driven gear 8, when wanting rotation.
Referring to Fig. 3 and Fig. 4, for convenient 4 axial displacement of driving throw-out collar and fixation, opposite active on 7 outer wall of support sleeve
81 side of gear is equipped with convex block 9, and the side that being threaded on convex block 9 can stretch out outside support sleeve 7 with driving gear 81 abuts
Fixing bolt 91 avoid using as long as driving gear 81 can be fixed on 7 outer wall of support sleeve by rotary fixing screw bolt 91
When, driving gear 81 is engaged with driven gear 8, cause abutment ring 51 occur misrouting it is dynamic, when wanting to adjust abutment ring 51
When position, driving gear 81 is pushed, driving gear 81 is engaged with driven gear 8, and the rotation of abutment ring 51 can be driven.
With reference to Fig. 5, in order to mitigate steel ball, throw-out collar 4, fixed ring 11 and the mutual abrasion of connection ring 211, in throw-out collar 4
Equipped with the shoe cream room 10 being arranged in a ring, 41 inner wall of arc groove is equipped with the oil outlet 101 communicated with shoe cream room 10, oily lubrication
Effect can prolong the service life while the connection function and antioverloading for guaranteeing the shaft coupling act on well.
Specific implementation process: under the position-limiting action of bearing 6, being only able to rotate between left axle sleeve 1 and right axle sleeve 2, can not axis
To sliding.When shaft coupling nonoverload, butterfly spring 5 drives throw-out collar 4 to slide towards connection ring 211, and 3 part of ball is located at and runs through
In slot 111, partially it is located in deep gouge 2111, under the transmitting of ball 3, left axle sleeve 1 and right axle sleeve 2 are rotated synchronously, and realize transmission；
When shaft coupling overloads, the stalling of left axle sleeve 1 or close stalling, right axle sleeve 2 still does uniform rotation under motor drive at this time, even
Connecing ring 211 overcomes the elastic force of butterfly spring 5 that steel ball is ejected deep gouge 2111, and throw-out collar 4 and steel ball are directed away from the direction of right axle sleeve 2
Sliding, left axle sleeve 1 and right axle sleeve 2, which release, at this time is sequentially connected, right axle sleeve 2 is in idling conditions, effective protection shaft coupling knot
Structure and motor realize overload protection.
The embodiment of present embodiment is the preferred embodiment of the utility model, and not limitation is originally practical new according to this
The protection scope of type, therefore: the equivalence changes that all structures, shape, principle according to the utility model are done should all be covered by practical
Within novel protection scope.
Claims (8)
1. a kind of antioverloading shaft coupling, left axle sleeve (1) and right axle sleeve (2) including coaxial arrangement, it is characterised in that: the left side
Axle sleeve (1) outer circumference surface is equipped with fixed ring (11), is equipped on fixed ring (11) outer peripheral surface along left axle sleeve (1) length direction
Section is semicircular through slot (111), and described run through slot (111) are arranged on fixed ring (11) for several circumference array,
Described to be equipped with ball (3) in slot (111), right axle sleeve (2) end is threaded with connection ring around left axle sleeve (1)
(211), the connection ring (211) is described towards being correspondingly provided with several deep gouges (2111) on the end face of ball (3) with ball (3)
It is rotatablely connected between left axle sleeve (1) and right axle sleeve (2) and is equipped with limitation left axle sleeve (1) and limited in axial sliding with right axle sleeve (2)
Device, the fixed ring (11) are arranged with throw-out collar (4) outside, and the throw-out collar (4) is equipped with limitation steel ball and radially slides along throw-out collar (4)
Arc groove (41), the arc groove (41) is arranged in a ring, further includes that driving throw-out collar (4) is slided and then will towards ball (3)
Elastic component in ball (3) part push-in deep gouge (2111).
2. a kind of antioverloading shaft coupling according to claim 1, it is characterised in that: left axle sleeve (1) the external screw thread connection
Have abutment ring (51), the elastic component includes the butterfly spring (5) being arranged between throw-out collar (4) and abutment ring (51), the butterfly
Shape spring (5) one end is abutted with abutment ring (51), and the other end is abutted with fixed ring (11).
3. a kind of antioverloading shaft coupling according to claim 1 or 2, it is characterised in that: the left axle sleeve (1) is close to right axle
The end for covering (2) is equipped with ladder and annular groove (12), and the connection ring (211) and right axle sleeve (2) junction are equipped with bearer ring
Slot (2112), limiting device include being arranged on ladder and the bearing (6) equal with bearing annular groove (2112) width and being embedded in ring
For limiting the retaining ring (61) of bearing (6) axial displacement in shape slot (12), bearing (6) outer ring is located at bearing annular groove (2112)
It is interior.
4. a kind of antioverloading shaft coupling according to claim 1 or 2, it is characterised in that: the left axle sleeve (1) and right axle sleeve
(2) it is arranged with support sleeve (7) outside, described support sleeve (7) one end and the fixed other end of right axle sleeve (2) outer wall extend to left axle sleeve
(1) outside, support sleeve (7) other end is equipped with and is set in the cover board (71) of left axle sleeve (1) outside, the cover board (71) and support sleeve
(7) end is detachably fixed connection.
5. a kind of antioverloading shaft coupling according to claim 2, it is characterised in that: along abutment ring on the abutment ring (51)
(51) it is radially provided with opening (511), is threaded with driving opening (511) perpendicular to opening (511) on the abutment ring (51)
Opposite side adjusting bolt (512) adjacent to each other.
6. a kind of antioverloading shaft coupling according to claim 4, it is characterised in that: set on abutment ring (51) outer peripheral surface
Have driven gear (8), the driving gear (81) engaged with driven gear (8), the master are rotatably connected on the support sleeve (7)
Support sleeve (7) are stretched out outside in moving gear (81) part, and the shaft of the driving gear (81) is being propped up along the setting of throw-out collar (4) radial slippage
On support set (7), spring (82) of driving driving gear (81) far from driven gear (8) is additionally provided in the support sleeve (7).
7. a kind of antioverloading shaft coupling according to claim 6, it is characterised in that: opposite on support sleeve (7) outer wall
Driving gear (81) side is equipped with convex block (9), and support can be stretched out with driving gear (81) by being threaded on the convex block (9)
Cover the fixing bolt (91) that the side of (7) outside abuts.
8. a kind of antioverloading shaft coupling according to claim 1, it is characterised in that: be equipped in a ring in the throw-out collar (4)
The shoe cream room (10) of setting, arc groove (41) inner wall are equipped with the oil outlet (101) communicated with shoe cream room (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920101864.0U CN209654464U (en) | 2019-01-19 | 2019-01-19 | A kind of antioverloading shaft coupling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920101864.0U CN209654464U (en) | 2019-01-19 | 2019-01-19 | A kind of antioverloading shaft coupling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209654464U true CN209654464U (en) | 2019-11-19 |
Family
ID=68521979
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920101864.0U Active CN209654464U (en) | 2019-01-19 | 2019-01-19 | A kind of antioverloading shaft coupling |
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| Country | Link |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112360892A (en) * | 2020-10-27 | 2021-02-12 | 嘉兴美茵钛传动科技有限公司 | Torque-limiting coupling with soft start function |
| CN113153179A (en) * | 2021-04-01 | 2021-07-23 | 中油智采(天津)科技有限公司 | Single-well overload separation device of single-machine multi-well pumping unit |
| CN116779353A (en) * | 2023-07-19 | 2023-09-19 | 余姚市华宇电器有限公司 | Three-station mechanism with overload protection function |
-
2019
- 2019-01-19 CN CN201920101864.0U patent/CN209654464U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112360892A (en) * | 2020-10-27 | 2021-02-12 | 嘉兴美茵钛传动科技有限公司 | Torque-limiting coupling with soft start function |
| CN113153179A (en) * | 2021-04-01 | 2021-07-23 | 中油智采(天津)科技有限公司 | Single-well overload separation device of single-machine multi-well pumping unit |
| CN116779353A (en) * | 2023-07-19 | 2023-09-19 | 余姚市华宇电器有限公司 | Three-station mechanism with overload protection function |
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