CN108277757A - Overload protection arrangement and berth lock - Google Patents
Overload protection arrangement and berth lock Download PDFInfo
- Publication number
- CN108277757A CN108277757A CN201810193503.3A CN201810193503A CN108277757A CN 108277757 A CN108277757 A CN 108277757A CN 201810193503 A CN201810193503 A CN 201810193503A CN 108277757 A CN108277757 A CN 108277757A
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- Prior art keywords
- shaft
- gear
- rotating shaft
- rotating
- overload protection
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- 230000007246 mechanism Effects 0.000 claims abstract description 96
- 230000005540 biological transmission Effects 0.000 claims abstract description 58
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 29
- 238000005096 rolling process Methods 0.000 claims description 4
- 238000009434 installation Methods 0.000 description 10
- 238000010586 diagram Methods 0.000 description 9
- 230000009471 action Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000005489 elastic deformation Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000008034 disappearance Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F13/00—Arrangements for obstructing or restricting traffic, e.g. gates, barricades ; Preventing passage of vehicles of selected category or dimensions
- E01F13/04—Arrangements for obstructing or restricting traffic, e.g. gates, barricades ; Preventing passage of vehicles of selected category or dimensions movable to allow or prevent passage
- E01F13/042—Arrangements for obstructing or restricting traffic, e.g. gates, barricades ; Preventing passage of vehicles of selected category or dimensions movable to allow or prevent passage for controlling access to an individual parking space
-
- 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
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/023—Mounting or installation of gears or shafts in the gearboxes, e.g. methods or means for assembly
-
- 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
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/16—Inhibiting or initiating shift during unfavourable conditions, e.g. preventing forward reverse shift at high vehicle speed, preventing engine over speed
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Transmission Devices (AREA)
- One-Way And Automatic Clutches, And Combinations Of Different Clutches (AREA)
Abstract
The present invention relates to berth lock technical fields, provide a kind of overload protection arrangement, including pedestal, further include：First rotating shaft is arranged on pedestal；Second shaft is arranged on pedestal；Transmission mechanism is arranged between first rotating shaft and the second shaft and is sequentially connected for making the two be formed；Protection mechanism is arranged between transmission mechanism and the second shaft for disconnecting the drive connection between transmission mechanism and the second shaft in overload；And driving mechanism, for driving the rotation of the second shaft.Overload protection arrangement provided by the invention; first rotating shaft and the second shaft are formed by transmission mechanism to be sequentially connected; protection mechanism is between transmission mechanism and the second shaft; and in overload; protection mechanism disconnects the drive connection between transmission mechanism and the second shaft, avoids first rotating shaft, the second shaft either transmission mechanism in the event of overloading and is destroyed.The overload protection arrangement is also apply in berth lock.
Description
Technical field
The invention belongs to the technical fields of berth lock, are to be related to a kind of overload protection arrangement and berth lock more specifically.
Background technology
More and more with the quantity of automobile, the quantity in parking lot also increases rapidly, the also day on the parking stall in parking lot
Benefit increases, the safety being parked in for support vehicles on parking stall, it usually needs equipped with berth lock on parking stall, but,
When automobile accidentally bumps against berth lock, the transmission mechanism in berth lock be easy to because overload (" overload " refer to：Transmission
Mechanism has been more than the maximum load that can be driven in transmission process.In transmission mechanism, such as gear drive, it is assumed that driving gear
Driven gear rotation is driven, if driven gear is because when failure can not rotate, driving gear can not drive driven gear normal
The case where rotation, is known as overloading) and damage.
Invention content
The purpose of the present invention is to provide a kind of overload protection arrangements, to solve in berth lock existing in the prior art
Transmission mechanism is susceptible to the technical issues of damage in the event of overloading.
To achieve the above object, the technical solution adopted by the present invention is：A kind of overload protection arrangement, including pedestal are provided,
Further include：
First rotating shaft is arranged on the pedestal；
Second shaft is arranged on the pedestal；
Transmission mechanism is arranged between the first rotating shaft and second shaft and is sequentially connected for making the two be formed；
Protection mechanism is arranged between the transmission mechanism and second shaft for disconnecting the transmission in overload
Drive connection between mechanism and second shaft；And
Driving mechanism, for driving second shaft to rotate.
The invention also provides a kind of berth locks, including baffle and the overload protection arrangement, the baffle to be fixed on institute
It states in first rotating shaft.
The advantageous effect of overload protection arrangement provided by the invention is：Compared with prior art, overload protection of the present invention
Device first rotating shaft and the second shaft are formed by transmission mechanism to be sequentially connected, and this drive connection can be that first rotating shaft passes through
Transmission mechanism drives the rotation of the second shaft, can also be that the second shaft drives first rotating shaft rotation by transmission mechanism.Protection machine
Between transmission mechanism and the second shaft, and in overload, protection mechanism disconnects between transmission mechanism and the second shaft structure
It is sequentially connected, avoids first rotating shaft, the second shaft either transmission mechanism in the event of overloading and be destroyed.This overload protection
Device can also be applied to berth lock.
Description of the drawings
It to describe the technical solutions in the embodiments of the present invention more clearly, below will be to embodiment or description of the prior art
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description be only the present invention some
Embodiment for those of ordinary skill in the art without having to pay creative labor, can also be according to these
Attached drawing obtains other attached drawings.
Fig. 1 is the stereoscopic schematic diagram of overload protection arrangement provided in an embodiment of the present invention；
Fig. 2 is the assembly stereoscopic schematic diagram of third gear provided in an embodiment of the present invention；
Fig. 3 is the assembly stereoscopic schematic diagram of second gear provided in an embodiment of the present invention；
Fig. 4 is the stereoscopic schematic diagram of ball provided in an embodiment of the present invention installation；
Fig. 5 is the stereoscopic schematic diagram of spring provided in an embodiment of the present invention installation；
Fig. 6 is the stereoscopic schematic diagram that ball provided in an embodiment of the present invention and spring are installed；
Fig. 7 is the schematic front view that ball provided in an embodiment of the present invention and spring are installed；
Fig. 8 is the stereoscopic schematic diagram of second gear provided in an embodiment of the present invention；
Fig. 9 is the installation diagrammatic cross-section of second gear provided in an embodiment of the present invention；
Figure 10 is the scheme of installation one of bolt provided in an embodiment of the present invention；
Figure 11 is the scheme of installation two of bolt provided in an embodiment of the present invention；
Figure 12 is the scheme of installation three of bolt provided in an embodiment of the present invention；
Figure 13 is the scheme of installation of reset assembly provided in an embodiment of the present invention；
Figure 14 is the stereoscopic schematic diagram one of reset assembly provided in an embodiment of the present invention；
Figure 15 is the stereoscopic schematic diagram two of reset assembly provided in an embodiment of the present invention；
Figure 16 is the scheme of installation one of torque spring provided in an embodiment of the present invention；
Figure 17 is the scheme of installation two of torque spring provided in an embodiment of the present invention；
Figure 18 is the scheme of installation of reel provided in an embodiment of the present invention and runner；
Figure 19 is the schematic front view of runner provided in an embodiment of the present invention.
Specific implementation mode
In order to make technical problems, technical solutions and advantages to be solved be more clearly understood, tie below
Accompanying drawings and embodiments are closed, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only
To explain the present invention, it is not intended to limit the present invention.
It should be noted that when element is referred to as " being fixed on " or " being set to " another element, it can be directly another
On one element or it is connected on another element.When an element is known as " being connected to " another element, it can
To be directly to another element or be indirectly connected on another element.
It is to be appreciated that the orientation or positional relationship of the instructions such as term "top", "bottom" "inner", "outside" is based on attached drawing institute
The orientation or positional relationship shown, is merely for convenience of description of the present invention and simplification of the description, and does not indicate or imply the indicated dress
It sets or element must have a particular orientation, with specific azimuth configuration and operation, therefore should not be understood as the limit to the present invention
System.
In addition, term " first ", " second ", " third " are used for description purposes only, it is not understood to indicate or imply phase
To importance or implicitly indicate the quantity of indicated technical characteristic." first ", " second ", " third " are defined as a result,
Feature can explicitly or implicitly include one or more this feature.In the description of the present invention, the meaning of " multiple "
It is two or more, unless otherwise specifically defined.
Also referring to Fig. 1 and Fig. 2, now overload protection arrangement provided by the invention is illustrated.Overload protection arrangement,
Including pedestal 1, further include：First rotating shaft 42, the second shaft 21, transmission mechanism (not shown), protection mechanism (not shown) and
Driving mechanism (not shown).
First rotating shaft 42 is arranged on pedestal 1；
Second shaft 21 is arranged on pedestal 1；
Transmission mechanism is arranged between first rotating shaft 42 and the second shaft 21 to be sequentially connected for making the two be formed；
Protection mechanism is arranged between transmission mechanism and the second shaft 21 for disconnecting transmission mechanism and second in overload
Drive connection between shaft 21；And
Driving mechanism is for driving the rotation of the second shaft 21.
In the present embodiment, first rotating shaft 42 and the second shaft 21 are formed by transmission mechanism is sequentially connected, this transmission
Connection can be that first rotating shaft 42 drives the rotation of the second shaft 21 by transmission mechanism, can also be that the second shaft 21 passes through transmission
Mechanism drives first rotating shaft 42 to rotate.Protection mechanism is located between transmission mechanism and the second shaft 21, and in overload (" mistake herein
Carry " it refers to：When the second shaft 21 driving first rotating shaft 42 rotate during, if first rotating shaft 42 can not normal rotation,
And the second shaft 21 works on transmission mechanism；Or during first rotating shaft 42 drives the rotation of the second shaft 21,
If the second shaft 21 can not normal rotation, and first rotating shaft 42 works on transmission mechanism.More specifically, it is assumed that transmission
Mechanism is gear set (not shown), during first rotating shaft 42 is rotated by the second shaft of gear set drive 21, if second
Shaft 21 can not rotate and first rotating shaft 42 continue through the second shaft of gear set pair 21 export power be exactly the case where overload；Or
Person is the second shaft 21 rotated by gear set drive first rotating shaft 42 during, if first rotating shaft 42 can not rotate and the
Two shafts 21 continue through gear set and export the case where power is also overload to first rotating shaft 42.) when, protection mechanism disconnects transmission
Drive connection between mechanism and the second shaft 21, avoid in the event of overloading first rotating shaft 42, the second shaft 21 or
It is that transmission mechanism is destroyed.
Specifically, in one embodiment, protection mechanism uses the structure of similar clutch by transmission mechanism and second
Shaft 21 disconnects or connection, is just disconnected by protection mechanism when needing to detach between transmission mechanism and the second shaft 21,
It is just connected by protection mechanism when needing transmission between transmission mechanism and the second shaft 21.
In another embodiment, protection mechanism is chosen as that elastically-deformable elastic parts (not shown) can occur,
When overload, elastic parts occurs elastic deformation and to be detached between transmission mechanism and the second shaft 21；After overload disappears,
Elastic parts restores initial position and to be sequentially connected again between transmission mechanism and the second shaft 21.Such as elastic group
Part can be a shrapnel (not shown) being connected to respectively on transmission mechanism and the second shaft 21, when overload, pass
Motivation structure is fastened in the second shaft 21 by shrapnel and is formed with the second shaft 21 and is sequentially connected；When overload, shrapnel hair
Raw deformation so that be detached between transmission mechanism and the second shaft 21 and be sequentially connected with disconnecting.Certainly, in other examples,
Protection mechanism can also be other structures, as long as protection mechanism can disconnect transmission mechanism and the second shaft in the event of overloading
Drive connection between 21, does not limit uniquely herein.
Wherein, optionally, first rotating shaft 42 and the second shaft 21 are rotated rotating around respective axis.
Optionally, driving mechanism is motor 27.
Further, Fig. 3 to Fig. 9 is please referred to, a kind of specific embodiment party as overload protection arrangement provided by the invention
Formula, transmission mechanism include the first gear 22 being arranged in first rotating shaft 42 and be set in the second shaft 21 and and first gear
22 second gears 452 being sequentially connected, the surface of the second shaft 21 is provided with accommodating cavity 211；Protection mechanism includes being set to the
The ball 23 of the accommodating cavity 211 of two shafts 21 and the elastic component (not shown) being connected between 211 bottom surface of ball 23 and accommodating cavity,
Ball 23 at least partly stretches out accommodating cavity 211 and supports on the inner wall of second gear 452；The inner wall fovea superior of second gear 452
It falls into and is formed with the recessed portion 221 slid in and out for ball 23.
In this way, when ball 23 slides into recessed portion 221, since ball 23 is supported in recessed portion 221 (rolling by elastic component
Pearl 23 is supported on the madial wall of second gear 452, and the madial wall of recessed portion 221 is also the one of the madial wall of second gear 452
Part), be the equal of that ball 23 is fastened in recessed portion 221, ball 23 can limit second gear 452 and the second shaft 21 it
Between relative rotation, the second shaft 21 by ball 23 drive second gear 452 rotation or second gear 452 pass through rolling
Pearl 23 drives the rotation of the second shaft 21.When overloading, for example, failure cause second gear 452 can not rotate and second
When shaft 21 is rotated further, the power that the second shaft 21 is applied on ball 23 can drive ball 23 from recessed portion 221
It detaches, once ball 23 leaves recessed portion 221, can be relatively rotated between the second shaft 21 and second gear 452.When
The second shaft 21, second gear 452 can't be destroyed when relative rotation between two shafts 21 and second gear 452 either
Other structures have ensured the safety of overload protection arrangement.When the factor for hindering second gear 452 to rotate disappears, ball
23 can again slide into recessed portion 221, and the second shaft 21 drives the rotation of second gear 452 or second by ball 23
Gear 452 drives the rotation of the second shaft 21 by ball 23.In turn, breaking down when overload leads to the second shaft 21
It can not rotate when second gear 452 is rotated further, the power that second gear 452 is applied on ball 23 can drive ball
23 detach from recessed portion 221, once ball 23 leaves recessed portion 221, energy between the second shaft 21 and second gear 452
It is enough to relatively rotate.The second shaft 21, the can't be destroyed when being relatively rotated between the second shaft 21 and second gear 452
Two gears 452 either other structures, have ensured the safety of overload protection arrangement.
Wherein, optionally, in one embodiment, third gear 25, third gear 25 are provided in the second shaft 21
It is meshed with first gear 22, second gear 452 is sequentially connected with motor 27.That is, motor 27 passes through second gear 452
The second shaft 21 is driven to rotate, the second shaft 21 drives third gear 25 to rotate, and third gear 25 drives first gear 22 to rotate,
First gear 22 drives first rotating shaft 42 to rotate, and vice versa；In another embodiment, first gear 22 and second gear
452 directly engage, that is to say, that the second shaft 21 passes sequentially through second gear 452 and first gear 22 drives first rotating shaft 42
Rotation, vice versa.
Wherein, optionally, in one embodiment, first gear 22 is fixed in first rotating shaft 42；In another implementation
In example, other connecting components are additionally provided between first gear 22 and first rotating shaft 42.As long as first gear 22 and first rotating shaft
Drive connection can be formed between 42, do not limited uniquely herein.
Wherein, in the present embodiment, elastic component is connected between 211 bottom surface of ball 23 and accommodating cavity.And elastic component is
For supporting ball 23 on the inner wall of second gear 452.
Wherein, in the present embodiment, the surface of the second shaft 21 is provided with accommodating cavity 211, and optionally, accommodating cavity 211 is
It is formed by the surface indentation of the second shaft 21.
Wherein, optionally, in one embodiment, protection mechanism is limiting 452 phase of the second shaft 21 and second gear
The second shaft 21 and second gear 452 is set to be separated to rotation and in overload.Optionally, in one embodiment, machine is protected
Structure includes the elastic deformation portion (not shown) being arranged between the second shaft 21 and second gear 452, which can
Connect the second shaft 21 and second gear 452, and elastic deformation can occur when overload and make for the elastic deformation portion
Two shafts 21 are detached from second gear 452.Certainly, protection mechanism can also use other forms in other embodiments, only
Want protection mechanism can limit the second shaft 21 and second gear 452 relative rotation and overload when make 21 He of the second shaft
Second gear 452 is mutually disengaged.It " overloads " and refers specifically to herein：Assuming that the second shaft 21 drives 452 turns of second gear
Dynamic, if second gear 452 is because when failure can not rotate, the second shaft 21 can not drive 452 normal rotation of second gear
Situation；Either in turn, it is assumed that second gear 452 drives the rotation of the second shaft 21, if the second shaft 21 because failure without
When method rotates, the case where second gear 452 can not drive the second 21 normal rotation of shaft.
Further, Fig. 3 to Fig. 9 is please referred to, a kind of specific embodiment party as overload protection arrangement provided by the invention
The quantity of formula, recessed portion 221 is multiple, and multiple recessed portions 221 are uniformly distributed along the circumferential direction of the madial wall of second gear 452, phase
Form protrusion (not shown) between adjacent two recessed portions 221, the surface of protrusion is cambered surface, cambered surface respectively with two neighboring recessed portion
221 inner surface is tangent.In this way, after ball 23 is detached from one of recessed portion 221, is needed not be along
Enter again after two gears, 452 madial wall rolling, one circle in recessed portion 221, saves the plenty of time.And it is uniformly distributed
The recessed portion 221 of the madial wall of two gears 452 enables to ball 23 that opposite turn occurs in the second shaft 21 and second gear 452
Enter another recessed portion 221 from a recessed portion 221 in capable of being spaced at the same time when dynamic, ensures the second shaft 21
Stability when relatively rotating between second gear 452.In this way, when ball 23 skidded off from a recessed portion 221 to
All it is smooth excessiveness into during the entire process of in another recessed portion 221, is not in that ball 23 is stuck in recessed portion 221
The edge of wall is either stuck between two neighboring recessed portion 221.
Further, Fig. 3 to Fig. 9 is please referred to, a kind of specific embodiment party as overload protection arrangement provided by the invention
Formula, accommodating cavity 211 extend along the radial direction of the second shaft 21, and elastic component is the spring to stretch along 21 radial direction of the second shaft
212, spring 212 is located in accommodating cavity 211, and the both ends of spring 212 are connected to respectively on the inner wall of ball 23 and accommodating cavity 211.
In this way, accommodating cavity 211, which is ball 23, provides a movable passageway moved radially towards the second shaft 21, accommodating cavity 211 prolongs
The radial direction that direction is the second shaft 21 is stretched, therefore ball 23 moves in accommodating cavity 211 when also can be along second
The radial direction of shaft 21 moves.Ball 23 is during entering recessed portion 221 and being skidded off from recessed portion 221, ball 23
It can be moved towards the radial direction of the second shaft 21, the distance between 21 line of the second shaft of ball 23 and the second shaft 21 is to occur
Variation, ball 23 enters accommodating cavity 211 and is slided along accommodating cavity 211 to realize second turn of ball 23 and the second shaft 21
Distance change between 21 line of axis.In addition, ball 23 is in accommodating cavity 211 and a part for ball 23 stretches out accommodating cavity 211
And support on the inner wall of gear, when ball 23 rolls, ball 23 can be connected to the inner wall of accommodating cavity 211 always
On, the inner wall of accommodating cavity 211 provides a thrust to realize the moving along gear madial wall of ball 23 for ball 23.In this way, phase
It, can be along accommodating cavity 211 towards close to the second shaft when ball 23 is skidded off from recessed portion 221 for the second shaft 21
The direction of 21 21 line of the second shaft is moved, this when, ball 23 can compressed spring 212；Conversely, when ball 23 slides into recess
During in portion 221, spring 212 starts elongation and ball 23 is pushed into recessed portion 221.No matter spring 212 stretch out or
Ball 23 can be effectively and reliably connected on the madial wall of gear by compression, spring 212.
Wherein, optionally, opening 2111 is offered on the surface of the second shaft 21, ball 23 can enter from opening 2111
Accommodating cavity 211 can also be certainly that other modes make ball 23 enter accommodating cavity 211 in other examples, this
Place does not limit uniquely.
Further, Fig. 3 to Fig. 9 is please referred to, a kind of specific embodiment party as overload protection arrangement provided by the invention
The cross section of formula, accommodating cavity 211 is circle, and the diameter of cross section is identical as the diameter of ball 23.
In the present embodiment, the cross section of accommodating cavity 211 is circle, the diameter of the cross section and the diameter phase of ball 23
Together.In this way, when ball 23 moves in accommodating cavity 211, avoids ball 23 and shaken in accommodating cavity 211.Especially
Vibrations of the ball 23 in accommodating cavity 211 in the radial direction.
Further, Fig. 3 to Fig. 9 is please referred to, a kind of specific embodiment party as overload protection arrangement provided by the invention
Formula is provided with the backstop group for preventing ball 23 from skidding off recessed portion 221 in the axial direction of the second shaft 21 in second gear 452
Part (not shown).Stopping element includes baffle ring 223 and is formed simultaneously towards 21 projection of the second shaft by the madial wall of second gear 452
Ring is located at the annular flange 222 in 21 outside of the second shaft, and baffle ring 223 is rotatably set in the second shaft 21, recessed portion 221
Between annular flange 222 and baffle ring 223, baffle ring 223 is connected in second gear 452, is arranged in the second shaft 21
It is useful for the limiting mechanism (not shown) for preventing annular flange 222 and baffle ring 223 along the axial movement of the second shaft 21.
In this way, second gear 452 is between annular flange 222 and baffle ring 223, and since annular flange 222 connects
In second gear 452, baffle ring 223 is connected in second gear 452, and prevention annular flange is additionally provided in the second shaft 21
222 and the limiting mechanism that is moved axially along the second shaft 21 of baffle ring 223, pass through the limitation of limiting mechanism, 222 He of annular flange
Baffle ring 223 can not be all axially moveable in the second shaft 21, and second gear 452 is fixed, institute with annular flange 222
It is also that can not be moved axially along the second shaft 21 with second gear 452.
As an alternative, stopping element can also be provided in second gear 452 baffle is provided in
Convex edge on two gears 452.In other embodiments, stopping element can also be other structures, as long as the stopping element can
Ball 23 is prevented to skid off recessed portion 221 from the axis direction of the second shaft 21.
Further, Fig. 3 to Fig. 9 is please referred to, a kind of specific embodiment party as overload protection arrangement provided by the invention
Formula, limiting mechanism include two card slots 241 of the circumferentially extending along the second shaft 21 and are respectively correspondingly fastened on two card slots
Two clamp springs 242 in 241, annular flange 222 and baffle ring 223 are located between two clamp springs 242, a clamp spring 242
It is connected in annular flange 222, another clamp spring 242 is connected on baffle ring 223.In this way, in the limitation of two clamp springs 242
Under, annular flange 222, baffle ring 223 and second gear 452 can not all be moved along 21 axial direction of the second shaft.If taken down
Clamp spring 242 then can easily move axially annular flange 222, baffle ring 223 and second gear 452 along the second shaft 21.
Further, 3 to Figure 19 are please referred to Fig.1, a kind of specific implementation as overload protection arrangement provided by the invention
Mode can be restored when being provided with for relatively rotating between first rotating shaft 42 and first gear 22 in first rotating shaft 42
To the reset assembly (not shown) of initial relative position.In this way, under external force, when first rotating shaft 42 and first gear 22 it
Between relative rotation has occurred after, reset assembly enables to first rotating shaft 42 and first gear 22 to be restored to initial opposite position
It sets." initial relative position " refers to：In the case of not by external force, the opposite position between first rotating shaft 42 and first gear 22
It sets.The position can be a specific relative position, can also be a section, i.e., first rotating shaft 42 exists with first gear 22
Reset assembly can't influence first rotating shaft 42 or first gear 22 when being relatively rotated in the section.
Further, 3 to Figure 19 are please referred to Fig.1, a kind of specific implementation as overload protection arrangement provided by the invention
Mode, reset assembly include：Rotating cylinder 43 and arrestment mechanism (not shown).
Rotating cylinder 43 is set in first rotating shaft 42 and can be relatively rotated between first rotating shaft 42, is arranged on rotating cylinder 43
Torque spring 44, torque spring 44 have the first connecting pin 441 and second connection end 442, first are provided in first rotating shaft 42
Lug boss 421 and the second lug boss 422；In the rotation (not shown) towards first direction relative to rotating cylinder 43 of first rotating shaft 42, first
Lug boss 421 is connected on the first connecting pin 441 and drives the first connecting pin 441 circumferentially rotating to increase torsion along rotating cylinder 43
The torque of spring 44；In the rotation (not shown) towards opposite with first direction second direction relative to rotating cylinder 43 of first rotating shaft 42,
Second lug boss 422 is connected in second connection end 442 and drives the circumferentially rotating to increase along rotating cylinder 43 of second connection end 442
The torque of torque spring 44；
Arrestment mechanism is for lockking rotating cylinder 43 to prevent the relative rotation between rotating cylinder 43 and pedestal 1.
In this way, when arrestment mechanism locks rotating cylinder 43, under external force, when first rotating shaft 42 is relative to rotating cylinder 43
When being rotated towards first direction, the first lug boss 421 is connected on the first connecting pin 441 and drives the first connecting pin 441 along rotating cylinder
43 circumferential direction is mobile to increase the torque of torque spring 44.At this time if removing above-mentioned external force, in the work of torque spring 44
Under, first rotating shaft 42 can in the opposite direction be rotated relative to rotating cylinder 43 towards with first party；Similarly, turn when arrestment mechanism locks
When cylinder 43, under external force, first rotating shaft 42 is rotated relative to rotating cylinder 43 towards the second direction opposite with first direction
When, the second lug boss 422 be connected in second connection end 442 and drive second connection end 442 along the circumferential direction of rotating cylinder 43 move with
Increase the torque of torque spring 44.At this time if removing above-mentioned external force, under the action of torque spring 44, first rotating shaft 42
It can in the opposite direction be rotated towards with second party relative to rotating cylinder 43.I.e. no matter first rotating shaft 42 with respect to rotating cylinder 43 towards first direction
Rotation is still rotated towards second direction, can all increase the torque of torque spring 44, and revocation falls to drive first rotating shaft 42 with respect to rotating cylinder
The external force of 43 rotations, first rotating shaft 42 can be turned back to initial position, and (initial position refers to：First rotating shaft 42 and rotating cylinder 43 are not
Relative position in the case of by external force between first rotating shaft 42 and rotating cylinder 43.), in this way, when rotating cylinder 43 can not rotate, the
Relative position between one shaft 42 and rotating cylinder 43 after the change by external force can by torque spring 44 into row buffering,
Relative position after external force disappearance between first rotating shaft 42 and rotating cylinder 43 can easily reset, and avoid first rotating shaft
42 destroy first rotating shaft 42, rotating cylinder 43 and other and first rotating shaft 42 or the formation of rotating cylinder 43 when relatively rotating with rotating cylinder 43
The driving member (not shown) of drive connection.
Wherein, optionally, initial position is a specific location opposite between first rotating shaft 42 and rotating cylinder 43, for example,
When between first rotating shaft 42 and rotating cylinder 43 in some relative position, under the action of torque spring 44, first rotating shaft 42
No matter the torque of torque spring 44 can all be increased relative to rotating cylinder 43 toward first direction or second direction rotation；In another implementation
In example, initial position can be a section, such as when first rotating shaft 42 is rotated relative to rotating cylinder 43 in the section, the
One shaft 42 is not acted on by torque spring 44, and only first rotating shaft 42 rotates towards first direction relative to rotating cylinder 43 and is more than
The torque of torque spring 44 can just increase when above-mentioned section.Similarly, only first rotating shaft 42 turns with respect to rotating cylinder 43 towards second direction
The torque of torque spring 44 can just increase when moving and being more than above-mentioned section.Remove shadow of the external force to first rotating shaft 42 and rotating cylinder 43
After sound, first rotating shaft 42 and the relative position of rotating cylinder 43 return among above-mentioned section.That is, first rotating shaft 42 and rotating cylinder 43
Relative position when among above-mentioned section, the first lug boss 421 and the first connecting pin 441 be all always it is discontiguous, second
Lug boss 422 and second connection end 442 are all discontiguous always.Optionally, when the opposite rotating cylinder 43 of first rotating shaft 42 is above-mentioned
When in section, the first connecting pin 441 and second connection end 442 are connected to respectively on rotating cylinder 43, avoid the first connecting pin 441 and do not have
Have and is connected to the first lug boss 421 and causes the first connecting pin 441 under the elastic force of torque spring 44 voluntarily along rotating cylinder 43
It is circumferential mobile；Similarly, second connection end 442 is avoided not to be connected to the second lug boss 422 and second connection end 442 is caused to exist
Circumferential direction under the elastic force of torque spring 44 voluntarily along rotating cylinder 43 moves.
Wherein, in the present embodiment, it is opposite between rotating cylinder 43 and pedestal 1 to prevent can to lock rotating cylinder 43 for arrestment mechanism
Rotation.Optionally, buckle structure (not shown) is provided between pedestal 1 and rotating cylinder 43, which can easily make to turn
It is fixed to each other or detaches between cylinder 43 and pedestal 1.
Further, 3 to Figure 19 are please referred to Fig.1, a kind of specific implementation as overload protection arrangement provided by the invention
Mode, first gear 22, which is arranged on one end of rotating cylinder 43, the other end of rotating cylinder 43, is provided with runner 32；Runner 32 and the first tooth
Wheel 22 is respectively sleeved in first rotating shaft 42, offers the first slot 4511 circumferentially extended along rotating cylinder 43 on runner 32, and first
The second slot 4521 circumferentially extended along rotating cylinder 43 is offered on gear 22, the first connecting pin 441 passes through the first slot 4511, the
Two connecting pins 442 pass through the second slot 4521.In this way, when the first lug boss 421 pushes the first connecting pin 441 along the first slot
When 4511 movement, since the first slot 4511 is circumferentially extended along rotating cylinder 43, the first connecting pin 441 is also along rotating cylinder
43 circumferentially rotate.In addition when the first lug boss 421 is not connected on the first connecting pin 441, the first connecting pin 441 is being turned round
It is connected under the action of power spring 44 on the inner wall of first slot 4511, even if the second lug boss 422 drives second connection end 442
Along the position of rotating cylinder 43 circumferentially rotated where will not influencing the first connecting pin 441, the i.e. inner wall of the first slot 4511
It can play the role of supporting the first connecting pin 441.Similarly, when the second lug boss 422 pushes second connection end 442 along the second slot
Hole 4521 move when, due to the second slot 4521 be along rotating cylinder 43 circumferentially extend, second connection end 442 be also along turn
Cylinder 43 circumferentially rotates.In addition when the second lug boss 422 is not connected in second connection end 442, second connection end 442 exists
It is connected under the action of torque spring 44 on the inner wall of second slot 4521, even if the first lug boss 421 drives the first connecting pin
441 movements will not influence the position where second connection end 442, i.e. the inner wall of the second slot 4521 can play support the
The effect of two connecting pins 442.
Further, 3 to Figure 19 are please referred to Fig.1, a kind of specific implementation as overload protection arrangement provided by the invention
Mode, the first connecting pin 441 is towards the axially extending of first rotating shaft 42；And/or second connection end 442 is towards the axial direction of first rotating shaft 42
Extend.
In the present embodiment, the first lug boss 421 is provided in first rotating shaft 42, when first rotating shaft 42 rotates
It is the axial direction along first rotating shaft 42 that the first circumferentially rotating along first rotating shaft 42 of lug boss 421, the first connecting pin 441, which can be driven,
Extend, therefore, when the first connecting pin 441 is circumferentially rotated around rotating cylinder 43 with the distance between first rotating shaft 42 be it is stable,
The stability that the first lug boss 421 in first rotating shaft 42 drives the first connecting pin 441 circumferentially to be moved along rotating cylinder 43 is ensured.Together
Reason, the second lug boss 422 are provided in first rotating shaft 42, and first rotating shaft 42 can drive the second lug boss when rotation
422 circumferentially rotating along first rotating shaft 42, second connection end 442 are along the axially extending of first rotating shaft 42, therefore, when
With the distance between first rotating shaft 42 it is stable when two connecting pins 442 are circumferentially rotated around rotating cylinder 43, has ensured first rotating shaft 42
On the stability that is circumferentially moved along rotating cylinder 43 of the second lug boss 422 driving second connection end 442.
Further, 3 to Figure 19 are please referred to Fig.1, a kind of specific implementation as overload protection arrangement provided by the invention
Mode, runner 32 are detachably fixed with rotating cylinder 43 and connect.In this way, being easily installed or decomposing runner 32 and rotating cylinder 43.
Further, 3 to Figure 19 are please referred to Fig.1, a kind of specific implementation as overload protection arrangement provided by the invention
The inner wall depression of mode, runner 32 forms fluted 4512, and one end of rotating cylinder 43 has holding section 431, and holding section 431 is caught in
In groove 4512.In this way, foring a card by the way that the holding section 431 of 43 one end of rotating cylinder to be caught in the groove 4512 of runner 32
Button connection, i.e. rotating cylinder 43 are snapped connection by this in the rotation drives runner 32 to rotate.When need dismantle rotating cylinder 43 and turn
When taking turns 32, it is only necessary to holding section 431 is released from groove 4512, it is very convenient.
Further, 3 to Figure 19 are please referred to Fig.1, a kind of specific implementation as overload protection arrangement provided by the invention
Mode, the first lug boss 421 is in cylindrical shape, and the axis of the first lug boss 421 and the axis of first rotating shaft 42 are mutually perpendicular to
Setting；Second lug boss 422 is in cylindrical shape, and the axis of the second lug boss 422 and the axis of first rotating shaft 42 are mutually perpendicular to
Setting.In this way, when the first lug boss 421 is connected on the first connecting pin 441 and the first connecting pin 441 is pushed to move, such as
First connecting pin 441 of fruit torque spring 44 bends, and since the outer surface of the first lug boss 421 is cylindrical surface, first connects
Connecing during end 441 is mutually abutted with the first lug boss 421 will not be bruised.Similarly, the second lug boss 422 is connected to second
On connecting pin 442 and push second connection end 442 move when, if the second connection end 442 of torque spring 44 occur it is curved
Song, since the outer surface of the second lug boss 422 is cylindrical surface, the mistake that second connection end 442 is mutually abutted with the second lug boss 422
It will not be bruised in journey.
3 to Figure 19 are please referred to Fig.1, as a kind of specific implementation mode of overload protection arrangement provided by the invention, runner
The limit for being connected to when first rotating shaft 42 and rotating cylinder 43 relatively rotate on the first lug boss 421 is provided on 32 outer end face
Position screw 46.In this way, stop screw 46 can efficiently control the angle relatively rotated between first rotating shaft 42 and runner 32
Range.
Further, 3 to Figure 19 are please referred to Fig.1, a kind of specific implementation as overload protection arrangement provided by the invention
Mode further includes the alarm (not shown) for sending out alarm when the first lug boss 421 touches stop screw 46, alarm
Device is arranged on pedestal 1.In this way, alarm sends out alarm to remind user when the first lug boss 421 touches stop screw 46.
The mode of alarm triggering can be the first lug boss 421 and stop screw 46 as switch, i.e., when the first lug boss 421 is tactile
Alarm is begun to send out by above-mentioned switch conduction alarm and alarm when encountering stop screw 46, when the first lug boss 421 with
Breakage alert device and alarm closing alarm when being separated between stop screw 46.
Further, 3 to Figure 19 are please referred to Fig.1, a kind of specific implementation as overload protection arrangement provided by the invention
Mode, first rotating shaft 42 are coaxially disposed with rotating cylinder 43.In this way, first rotating shaft 42 can during relative rotation with rotating cylinder 43
Keep stable position relationship.
Further, 0 to Figure 12 is please referred to Fig.1, a kind of specific implementation as overload protection arrangement provided by the invention
Mode, arrestment mechanism include：Bolt 33 and driver (not shown).
Bolt 33 is slidably arranged on pedestal 1, and one end of bolt 33 has clamping part 331, and the edge of runner 32, which has, to be supplied
Clamping part 331 into and out at least one notch 321；And
Driver is for driving bolt 33 to be moved relative to runner 32 and limiting runner when clamping part 331 is inserted into notch 321
32 rotations.
In this way, when bolt 33 is inserted into notch 321, bolt 33 prevents runner 32 from rotating；Bolt 33 is extracted out of notch 321
When coming, bolt 33 decontrols the control to runner 32.When runner 32 is by stronger impact, since bolt 33 is rigid
Property, itself it is less likely to occur deformation, is also not easy to rotate under the driving of runner 32 so that bolt 33 can be effectively
Prevent the rotation of runner 32.
Optionally, the shape of clamping part 331 is adapted with notch 321.It " is adapted " herein and refers to clamping part 331 and lack
The shape of mouth 321 can coincide.In this way, bolt 33 controls runner 32 by the cooperation of clamping part 331 and notch 321
Rotation.
Further, 0 to Figure 12 is please referred to Fig.1, a kind of specific implementation as overload protection arrangement provided by the invention
Mode, bolt 33 extend in the radial direction of runner 32, and bolt 33 can be slided along extending direction on pedestal 1, and pedestal 1 has
Support portion 311 offers the duct (not shown) for extending along the diameter direction of runner 32 and being passed through for bolt 33 on support portion 311.
In this way, clamping part 331 can be particularly simple inserted into along extending direction in sliding on pedestal 1 and close runner 32 by bolt 33
To prevent runner 32 from rotating in notch 321；Certainly, bolt 33 along extending direction on pedestal 1 sliding and far from runner 32 when
Particularly simple clamping part 331 can be taken out from notch 321 to decontrol the limitation rotated to runner 32.In this way, bolt 33
Being moved along duct can be easily so that bolt 33 be moved along 32 radial direction of runner.In addition, the inner wall in duct can also have
Movement of the limitation bolt 33 in effect ground in bolt 33 in the radial direction.
Further, 0 to Figure 12 is please referred to Fig.1, a kind of specific embodiment party as 33 device of bolt provided by the invention
Formula is provided with the guided rings 332 being set on bolt 33 between bolt 33 and the inner wall in duct.
In the present embodiment, guided rings 332 are arranged on bolt 33, and guided rings 332 are located in bolt 33 and duct
Between wall, (" positions " herein in this way, guided rings 332 can play positioning to bolt 33 and refer to：By bolt 33 in its radial direction
Movement be limited between the inner wall of guided rings 332) effect, while when bolt 33 is along during its axis moves, drawing
Lead ring 332 can also play the role of the movement of guide 33.
Further, in one embodiment, the cross section in duct is identical as the cross section of bolt 33.In this way, bolt 33
When movement in duct, bolt 33 is not easy to shake in its radial direction.
Further, 0 to Figure 12 is please referred to Fig.1, a kind of specific implementation as overload protection arrangement provided by the invention
Mode is provided with Flexible element 34 on pedestal 1, and the both ends of Flexible element 34 are connected to respectively on bolt 33 and pedestal 1.In this way,
For bolt 33 in the case of not by other external force, Flexible element 34 is the notch being connected to bolt 33 on runner 32 always
To limit the rotation of runner 32 in 321.When bolt 33 pulls out bolt 33 under the influence of external force from the notch 321 of runner 32
When coming, the meeting elasticity of compression of bolt 33 unit 34 during detaching, if cancelling above-mentioned external force, bolt 33 is again in elasticity
It is connected under the action of unit 34 on runner 32, has ensured control of the bolt 33 to runner 32.Optionally, Flexible element 34 prolongs
It is identical with the extending direction of bolt 33 to stretch direction.Flexible element 34 and runner 32 are located at the opposite end of bolt 33,
In this way, Flexible element 34 can easily push bolt 33 to extend along direction movement during by compression and stretching.
Further, 0 to Figure 12 is please referred to Fig.1, a kind of specific implementation as overload protection arrangement provided by the invention
Mode is convexly equipped with abutting part 312 on pedestal 1, blind hole (not shown) is offered on abutting part 312, one end of Flexible element 34 is set
Enter in blind hole and is connected on the inner wall of blind hole.In this way, one end of Flexible element 34 is arranged in blind hole, Flexible element 34 is being pressed
Contracting and stretch out during Flexible element 34 be not easy to shake in its radial direction so that Flexible element 34 can with abut
Stable abutting relation is kept between portion 312.
Further, 0 to Figure 12 is please referred to Fig.1, a kind of specific implementation as overload protection arrangement provided by the invention
Mode, driver include connector 351 and drive system (not shown), and drive system includes deviateing a shaft axis (not shown) to set
The driving section 352 set and for driving driving section 352 to rotate the driving unit (not shown) of axis rotation, shaft axis and bolt 33
Axis be generally aligned in the same plane and be vertically arranged, one end of connector 351 is hinged on bolt 33, and the other end is hinged on driving section
On 352.In this way, since the axis of shaft axis and bolt 33 is generally aligned in the same plane and is vertically arranged, driving unit drives driving section
352 rotate during axis rotation, and on the extending direction of bolt 33, driving section 352 can be close to and far from runner 32.
On the extending direction of bolt 33, when driving section 352 is close to runner 32, driving section 352 is by 351 bolt 33 of connector towards runner
32 movements；When driving section 352 is far from runner 32, bolt 33 is moved away from 32 direction of runner.
Further, please refer to Fig.1 with Fig. 2 and Figure 10 to Figure 12, as overload protection arrangement provided by the invention
A kind of specific implementation mode, locating part 263 also offset from shaft axis setting, are provided on third gear 25 for making locating part 263
Opposite third gear 25 rotates the first flange 261 that axis slewing area is 0 °~90 °, that is to say, that locating part 263 is at 90 °
Slewing area in will not encounter the first flange 261.In this way, in the case that third gear 25 cannot rotate, in the first flange
Under 261 limitation, driving section 352 rotate axis rotation range also be 0 °~90 °.When driving section 352 is in 0 ° of position
When, clamping part 331 is caught in notch 321, and when driving section 352 is in 90 °, clamping part 331 is extracted from notch 321.This
When bolt 33 no longer runner 32 is lockked, first gear 22 can be mutually driven with third gear 25, optionally, the first tooth
Wheel 22 and third gear 25 are same sizes, that is to say, that first gear 22 turns simultaneously when being mutually driven with third gear 25
Move identical corner.After clamping part 331 is extracted from notch 321, if third gear 25 drives first gear 22 to continue to turn
Dynamic, until continuing to have turned 90 °, 0 ° of the position since most of driving section 352 has turned 180 ° at this time, and clamping part 331 is caught in scarce again
Runner 32 is prevented to rotate in mouth 321.(clamping part 331 is to runner 32 from unlock is locked to again to latching) in this process,
First rotating shaft 42 has rotated 90 °, if being provided with the baffle of berth lock in first rotating shaft 42, baffle becomes perpendicular from laid-flat status
The state of rising.If whole process is in turn, become laid-flat status from erected state if baffle.
Further, being additionally provided on third gear 25 prevents the locating part 263 from being separated from the second shaft 21
The second flange 262.
Further, 0 to Figure 12 is please referred to Fig.1, a kind of specific implementation as overload protection arrangement provided by the invention
Mode, driving unit include the second shaft 21 that axis extends centered on shaft axis, and power arm is arranged in the second shaft 21
354, driving section 352 is arranged on power arm 354.
In the present embodiment, in this way, power arm 354 is set in the second shaft 21, when the second shaft 21 rotate axis turn
When dynamic, power arm 354 is also dynamic by shaft rotation of the shaft axis, and driving section 352 is provided on power arm 354, therefore passes
Dynamic portion 352 can also be rotated around the shaft axis.
Further, 0 to Figure 12 is please referred to Fig.1, a kind of specific implementation as overload protection arrangement provided by the invention
Mode is provided with for preventing power arm 354 from (not scheming along the fastening assembly of the axial movement of the second shaft 21 in the second shaft 21
Show).In this way, by using fastening assembly so that power arm 354 will not shake on 21 axial direction of the second shaft, protect
Hindered power arm 354 the process of power output stability.In one embodiment, fastening assembly is to be arranged in the second shaft
Annular spring (not shown) on 21, annular spring are connected on power arm 354.The quantity of annular spring be can be one,
It may be two, when the quantity of annular spring is two, optionally, power arm 354 is clamped between two annular springs.
In this way, power arm 354 can steadily be limited between two annular springs.
It please refers to Fig.1 to Figure 19, the invention also provides a kind of berth locks, including baffle (not shown) and overload protection dress
It sets, baffle is fixed in first rotating shaft 42.In this way, baffle can by first rotating shaft 42 rotation come realize baffle hold up and
It keeps flat.
As a result of above-mentioned overload protection arrangement, first rotating shaft 42 and the second shaft 21 are formed by transmission mechanism and are driven
Connection, this drive connection can be that first rotating shaft 42 drives the rotation of the second shaft 21 by transmission mechanism, can also be second
Shaft 21 drives first rotating shaft 42 to rotate by transmission mechanism.Protection mechanism is located between transmission mechanism and the second shaft 21, and
It (" overloads " and refers to herein in overload：During the second shaft 21 driving first rotating shaft 42 rotates, if first rotating shaft 42
Can not normal rotation, and the second shaft 21 works on transmission mechanism；Or when first rotating shaft 42 drives the second shaft 21
During rotation, if the second shaft 21 can not normal rotation, and first rotating shaft 42 works on transmission mechanism.More
Body, it is assumed that transmission mechanism is gear set, during first rotating shaft 42 is rotated by the second shaft of gear set drive 21, if
Second shaft 21 can not rotate and first rotating shaft 42 continue through the second shaft of gear set pair 21 export power be exactly the feelings overloaded
Condition；During either the second shaft 21 is rotated by gear set drive first rotating shaft 42, if first rotating shaft 42 can not turn
It is also the case where overload to the output power of first rotating shaft 42 that dynamic and the second shaft 21, which continues through gear set,.) when, protection mechanism is disconnected
The drive connection between transmission mechanism and the second shaft 21 is opened, first rotating shaft 42, the second shaft in the event of overloading are avoided
21 either transmission mechanisms are destroyed.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement etc., should all be included in the protection scope of the present invention made by within refreshing and principle.
Claims (10)
1. overload protection arrangement, including pedestal, it is characterised in that：Further include：
First rotating shaft is arranged on the pedestal；
Second shaft is arranged on the pedestal；
Transmission mechanism is arranged between the first rotating shaft and second shaft and is sequentially connected for making the two be formed；
Protection mechanism is arranged between the transmission mechanism and second shaft for disconnecting the transmission mechanism in overload
With the drive connection between second shaft；And
Driving mechanism, for driving second shaft to rotate.
2. overload protection arrangement as described in claim 1, it is characterised in that：The transmission mechanism includes being arranged described first
First gear in shaft and the second gear for being set in second shaft and being sequentially connected with the first gear, it is described
The surface of second shaft is provided with accommodating cavity；The protection mechanism includes the rolling for the accommodating cavity for being set to second shaft
Pearl and the elastic component being connected between the ball and the accommodating cavity bottom surface, the ball at least partly stretch out the accommodating cavity
And it supports on the inner wall of the second gear；Recess, which is formed with, on the inner wall of the second gear slides into and is slided for the ball
The recessed portion gone out.
3. overload protection arrangement as claimed in claim 2, it is characterised in that：The quantity of the recessed portion is multiple, Duo Gesuo
The circumferential direction that recessed portion is stated along the madial wall of the second gear is uniformly distributed, forms protrusion between adjacent two recessed portion, institute
The surface for stating protrusion is cambered surface, and the cambered surface is tangent with the inner surface of the two neighboring recessed portion respectively.
4. overload protection arrangement as claimed in claim 2, it is characterised in that：Radial direction of the accommodating cavity along second shaft
Direction extends, and the elastic component is the spring to stretch along the second shaft radial direction, and the spring is located at the accommodating cavity
Interior, the both ends of the spring are connected to respectively on the inner wall of the ball and the accommodating cavity.
5. such as Claims 1-4 any one of them overload protection arrangement, it is characterised in that：It is provided in the first rotating shaft
Answering for initial relative position can be restored to when for relatively rotating between the first rotating shaft and the first gear
Hyte part.
6. overload protection arrangement as claimed in claim 5, it is characterised in that：The reset assembly includes：
Rotating cylinder is set in the first rotating shaft and can be relatively rotated between the first rotating shaft, is arranged on the rotating cylinder
There are torque spring, the torque spring that there is the first connecting pin and second connection end, it is convex to be provided with first in the first rotating shaft
Play portion and the second lug boss；When the first rotating shaft is rotated relative to the rotating cylinder towards first direction, first lug boss supports
It is connected on first connecting pin and drives first connecting pin circumferentially rotating to increase the torsion bullet along the rotating cylinder
The torque of spring；It is described when the first rotating shaft is rotated relative to the rotating cylinder towards second direction opposite to the first direction
Second lug boss is connected in the second connection end and drives the second connection end circumferentially rotating to increase along the rotating cylinder
Add the torque of the torque spring；With
Arrestment mechanism, for lockking the rotating cylinder to prevent the relative rotation between the rotating cylinder and the pedestal.
7. overload protection arrangement as claimed in claim 6, it is characterised in that：The first gear is arranged the one of the rotating cylinder
It holds, runner is provided on the other end of the rotating cylinder；The runner and the first gear are respectively sleeved at the first rotating shaft
On, the first slot circumferentially extended along the rotating cylinder is offered on the runner, is offered along described turn in the first gear
Second slot of cylinder circumferentially extending, first connecting pin pass through first slot, the second connection end to pass through described the
Two slots.
8. overload protection arrangement as claimed in claim 7, it is characterised in that：The arrestment mechanism includes：
Bolt is slidably arranged on the pedestal, and there is clamping part, the edge of the runner to have for institute for one end of the bolt
State clamping part into and out at least one notch；And
Driver, for driving the bolt mobile relative to the runner and limiting institute when the clamping part is inserted into the notch
State runner rotation.
9. overload protection arrangement as claimed in claim 8, it is characterised in that：The bolt prolongs in the radial direction of the runner
It stretches, the bolt can be slided along extending direction on the pedestal, and the pedestal has support portion, is opened up on the support portion
There is the duct that the diameter direction along the runner extends and supply the bolt to pass through.
10. berth lock, it is characterised in that：Including baffle and overload protection arrangement as described in any one of claim 1 to 9, institute
Baffle is stated to be fixed in the first rotating shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810193503.3A CN108277757B (en) | 2018-03-09 | 2018-03-09 | Overload protection device and parking spot lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810193503.3A CN108277757B (en) | 2018-03-09 | 2018-03-09 | Overload protection device and parking spot lock |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108277757A true CN108277757A (en) | 2018-07-13 |
| CN108277757B CN108277757B (en) | 2024-03-22 |
Family
ID=62809381
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810193503.3A Active CN108277757B (en) | 2018-03-09 | 2018-03-09 | Overload protection device and parking spot lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108277757B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110602288A (en) * | 2019-09-27 | 2019-12-20 | 维沃移动通信有限公司 | Electronic device |
| CN110618298A (en) * | 2019-09-20 | 2019-12-27 | 深圳市矽电半导体设备有限公司 | Abutting fixing structure, probe station and method for pressing needle clamp fixing plate |
| CN110814831A (en) * | 2019-11-25 | 2020-02-21 | 上海工程技术大学 | Torque protection device |
| CN115864729A (en) * | 2022-12-09 | 2023-03-28 | 东莞市赛仑特实业有限公司 | Overload-proof planetary gear motor |
| CN116621400A (en) * | 2023-07-25 | 2023-08-22 | 中国市政工程西南设计研究总院有限公司 | High-quality water purification treatment system |
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| TW201333318A (en) * | 2012-02-07 | 2013-08-16 | Taiwan Fu Hsing Ind Co Ltd | Transmission mechanism and electro-mechanical lock therewith |
| CN208379493U (en) * | 2018-03-09 | 2019-01-15 | 深圳市无名智能科技有限公司 | Overload protection arrangement and berth lock |
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| CN201714863U (en) * | 2010-06-18 | 2011-01-19 | 浙江亚特电器有限公司 | Clutch structure and grass raking machine applying same |
| TW201333318A (en) * | 2012-02-07 | 2013-08-16 | Taiwan Fu Hsing Ind Co Ltd | Transmission mechanism and electro-mechanical lock therewith |
| CN102877678A (en) * | 2012-09-28 | 2013-01-16 | 帕洛克（厦门）电子科技有限公司 | Remote-control parking lot barrier |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110618298A (en) * | 2019-09-20 | 2019-12-27 | 深圳市矽电半导体设备有限公司 | Abutting fixing structure, probe station and method for pressing needle clamp fixing plate |
| CN110602288A (en) * | 2019-09-27 | 2019-12-20 | 维沃移动通信有限公司 | Electronic device |
| CN110814831A (en) * | 2019-11-25 | 2020-02-21 | 上海工程技术大学 | Torque protection device |
| CN115864729A (en) * | 2022-12-09 | 2023-03-28 | 东莞市赛仑特实业有限公司 | Overload-proof planetary gear motor |
| CN115864729B (en) * | 2022-12-09 | 2023-08-18 | 东莞市赛仑特实业有限公司 | Overload-prevention planetary gear motor |
| CN116621400A (en) * | 2023-07-25 | 2023-08-22 | 中国市政工程西南设计研究总院有限公司 | High-quality water purification treatment system |
| CN116621400B (en) * | 2023-07-25 | 2023-10-10 | 中国市政工程西南设计研究总院有限公司 | High-quality water purification treatment system |
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|---|---|
| CN108277757B (en) | 2024-03-22 |
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