CN204493516U - Friction speed limiting device - Google Patents
Friction speed limiting device Download PDFInfo
- Publication number
- CN204493516U CN204493516U CN201420835557.2U CN201420835557U CN204493516U CN 204493516 U CN204493516 U CN 204493516U CN 201420835557 U CN201420835557 U CN 201420835557U CN 204493516 U CN204493516 U CN 204493516U
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- CN
- China
- Prior art keywords
- friction
- disk
- friction disk
- speed limit
- limit axle
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- Expired - Fee Related
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Abstract
The utility model discloses a kind of friction speed limiting device, comprise housing, in housing, be provided with input shaft and speed limit axle; Input shaft is provided with the driving gear with its synchronous axial system, speed limit axle is provided with moment of torsion adaptive friction mechanism, and speed limit axle is also provided with spline segment, on spline segment, cover is equiped with tooth cover and engaging sleeve, tooth puts cover and is equiped with driven gear, driven gear is provided with engagement external splines, and engaging sleeve is provided with engagement internal spline, and engaging sleeve is also provided with fork slot; Moment of torsion adaptive friction mechanism comprises the moving bead disk be fixedly mounted on speed limit axle, be sleeved on speed limit axle and with the friction disk I that its single-degree-of-freedom is slidably matched and with friction disk I the corresponding friction disk II arranged, friction disk I is between moving bead disk and friction disk II, moving bead disk is provided with Puli pearl arm component towards the side of friction disk I, friction disk II to be sleeved on speed limit axle and to be fixedly mounted on housing, and is provided with the rubbing surface cooperatively interacted between friction disk I and friction disk II.
Description
Technical field
The utility model relates to a kind of speed limiting device, and concrete is a kind of friction speed limiting device.
Background technique
Existing lace conveying device generally comprises driving belt, and the two ends of line belt are sleeved on live roll, utilizes power mechanism to carry placement material running on a moving belt.But, for some to be delivered to lower device for transporting objects from eminence, in order to obtain suitable transfer rate, power mechanism not only needs the power providing conveyer belt, and when material weight is larger, also need the Action of Gravity Field overcoming material, more and more faster to limit driving belt transfer rate under gravity accleration effect, cause a large amount of energy consumptions and waste.
Summary of the invention
In view of this, the purpose of this utility model is to provide a kind of friction speed limiting device, can carry out counter balance torque effect according to the torque Automatic adjusument frictional force size received.
For achieving the above object, the utility model provides following technological scheme:
A kind of friction speed limiting device, comprises housing, is provided with the input shaft be parallel to each other and speed limit axle in described housing, described input shaft is provided with the driving gear with its synchronous axial system, described speed limit axle is provided with moment of torsion adaptive friction mechanism, and described speed limit axle is also provided with spline segment, on described spline segment, cover is equiped with tooth cover and engaging sleeve, described tooth puts and is equiped with its rotatable engagement and the driven gear engaged with described driving gear, described driven gear is provided with engagement external splines, described engaging sleeve is provided with for being put into gear the engagement internal spline engaged with described mesh splines tooth, described engaging sleeve is also provided with fork slot, be provided with in described housing and coordinate with described fork slot and to drive described engaging sleeve along the shifting fork mechanism of described speed limit axle movement,
Described moment of torsion adaptive friction mechanism comprises the moving bead disk be fixedly mounted on described speed limit axle, to be sleeved on speed limit axle and with the friction disk I that its single-degree-of-freedom is slidably matched and with friction disk I the corresponding friction disk II arranged, described friction disk I is between described moving bead disk and friction disk II, described moving bead disk is provided with the Puli pearl arm component for driving friction disk I to slide to described friction disk II towards the side of described friction disk I, described friction disk II is sleeved on speed limit axle and also fixedly mounts on the housing, and be provided with the rubbing surface cooperatively interacted between described friction disk I and friction disk II.
Further, described Puli pearl arm component comprises uniform at least three the Puli pearl components be arranged on described moving bead disk of annular, described moving bead disk is provided with fitting seat with described Puli pearl component one_to_one corresponding, and described Puli pearl component is hingedly mounted on described fitting seat.
Further, described Puli pearl component is hingedly mounted on described fitting seat away from the one end at described moving bead disk center.
Further, described friction disk I is provided with towards the side of described moving bead disk the smooth surface coordinated with described Puli pearl component.
The beneficial effects of the utility model are:
Friction speed limiting device of the present utility model, when input shaft is subject to torsional interaction rotation, driving gear drives driven gear to rotate, shifting fork mechanism is utilized to drive engagement internal spline and engage external splines and engage, driven gear drives speed limit axle to rotate, and Puli pearl arm component drives friction disk I to move to friction disk II, increases the frictional force between friction disk I and friction disk II, prevent the rotating speed of speed limit axle too fast, and then react to speed limit input shaft realized to input shaft; In addition, when moment of torsion one timing that input shaft is subject to, if the frictional force between friction disk I and friction disk II is too small, then the rotating speed of speed limit axle can increase, and then the frictional force increased between friction disk I and friction disk II, until the frictional force between friction disk I and friction disk II acts on moment of torsion on speed limit axle just and the balance that is subject to of input shaft, the in stable condition of moment of torsion adaptive friction mechanism could be kept, namely input shaft be subject to moment of torsion one timing, its rotating speed is also certain, can reach the object of speed limit.
Accompanying drawing explanation
In order to make the purpose of this utility model, technological scheme and beneficial effect clearly, the utility model provides following accompanying drawing to be described:
Fig. 1 is the structural representation of the utility model friction speed limiting device embodiment;
Fig. 2 is the A detail drawing of Fig. 1.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail, and to make those skilled in the art better can understand the utility model being implemented, but illustrated embodiment is not as to restriction of the present utility model.
As shown in Figure 1, be the structural representation of the utility model friction speed limiting device embodiment.The friction speed limiting device of the present embodiment, comprises housing 1, is provided with the input shaft 2 and speed limit axle 3 that are parallel to each other in housing 1.Input shaft 2 is provided with the driving gear 4 with its synchronous axial system, speed limit axle 3 is provided with moment of torsion adaptive friction mechanism, and speed limit axle 3 is also provided with spline segment, on spline segment, cover is equiped with tooth cover 5 and engaging sleeve 6, tooth cover 5 overlaps and is equiped with its rotatable engagement and the driven gear 7 engaged with driving gear 4, driven gear 7 is provided with engagement external splines 8, engaging sleeve 6 is provided with for being put into gear the engagement internal spline 9 engaged with mesh splines tooth, engaging sleeve 6 is also provided with fork slot 10, be provided with in housing 1 and coordinate with fork slot 10 and to drive engaging sleeve 6 along the shifting fork mechanism of speed limit axle 3 movement.
The moment of torsion adaptive friction mechanism of the present embodiment comprises the moving bead disk 11 be fixedly mounted on speed limit axle, to be sleeved on speed limit axle 3 and with the friction disk I 12 that its single-degree-of-freedom is slidably matched and with friction disk I 12 the corresponding friction disk II 13 arranged, friction disk I 12 is between moving bead disk 11 and friction disk II 13, moving bead disk 11 is provided with the Puli pearl arm component for driving friction disk I 12 to slide to friction disk II 13 towards the side of friction disk I 12, friction disk II 13 to be sleeved on speed limit axle 3 and to be fixedly mounted on housing 1, and between friction disk I 12 and friction disk II 13, be provided with the rubbing surface cooperatively interacted.
Further, Puli pearl arm component comprises uniform at least three the Puli pearl components 14 be arranged on moving bead disk 11 of annular, and moving bead disk 11 is provided with fitting seat 15 with Puli pearl component 14 one_to_one corresponding, and Puli pearl component 14 is hingedly mounted on fitting seat 15.The Puli pearl component 14 of the present embodiment is hingedly mounted on fitting seat 15 away from the one end at moving bead disk 11 center, and Puli pearl component 14 is provided with roller 16 near the one end at moving bead disk 11 center, friction disk I 12 is provided with towards the side of moving bead disk 11 smooth surface coordinated with Puli pearl component 14, can effectively reduce resistance.
The friction speed limiting device of the present embodiment, when input shaft is subject to torsional interaction rotation, driving gear drives driven gear to rotate, shifting fork mechanism is utilized to drive engagement internal spline and engage external splines and engage, driven gear drives speed limit axle to rotate, and Puli pearl arm component drives friction disk I to move to friction disk II, increases the frictional force between friction disk I and friction disk II, prevent the rotating speed of speed limit axle too fast, and then react to speed limit input shaft realized to input shaft; In addition, when moment of torsion one timing that input shaft is subject to, if the frictional force between friction disk I and friction disk II is too small, then the rotating speed of speed limit axle can increase, and then the frictional force increased between friction disk I and friction disk II, until the frictional force between friction disk I and friction disk II acts on moment of torsion on speed limit axle just and the balance that is subject to of input shaft, the in stable condition of moment of torsion adaptive friction mechanism could be kept, namely input shaft be subject to moment of torsion one timing, its rotating speed is also certain, can reach the object of speed limit.
The above embodiment is only for absolutely proving the preferred embodiment that the utility model is lifted, and protection domain of the present utility model is not limited thereto.The equivalent alternative or conversion that those skilled in the art do on the utility model basis, all within protection domain of the present utility model.Protection domain of the present utility model is as the criterion with claims.
Claims (4)
1. a friction speed limiting device, is characterized in that: comprise housing, is provided with the input shaft be parallel to each other and speed limit axle in described housing, described input shaft is provided with the driving gear with its synchronous axial system, described speed limit axle is provided with moment of torsion adaptive friction mechanism, and described speed limit axle is also provided with spline segment, on described spline segment, cover is equiped with tooth cover and engaging sleeve, described tooth puts and is equiped with its rotatable engagement and the driven gear engaged with described driving gear, described driven gear is provided with engagement external splines, described engaging sleeve is provided with for being put into gear the engagement internal spline engaged with described mesh splines tooth, described engaging sleeve is also provided with fork slot, be provided with in described housing and coordinate with described fork slot and to drive described engaging sleeve along the shifting fork mechanism of described speed limit axle movement,
Described moment of torsion adaptive friction mechanism comprises the moving bead disk be fixedly mounted on described speed limit axle, to be sleeved on speed limit axle and with the friction disk I that its single-degree-of-freedom is slidably matched and with friction disk I the corresponding friction disk II arranged, described friction disk I is between described moving bead disk and friction disk II, described moving bead disk is provided with the Puli pearl arm component for driving friction disk I to slide to described friction disk II towards the side of described friction disk I, described friction disk II is sleeved on speed limit axle and also fixedly mounts on the housing, and be provided with the rubbing surface cooperatively interacted between described friction disk I and friction disk II.
2. friction speed limiting device according to claim 1, it is characterized in that: described Puli pearl arm component comprises uniform at least three the Puli pearl components be arranged on described moving bead disk of annular, described moving bead disk is provided with fitting seat with described Puli pearl component one_to_one corresponding, and described Puli pearl component is hingedly mounted on described fitting seat.
3. friction speed limiting device according to claim 2, is characterized in that: described Puli pearl component is hingedly mounted on described fitting seat away from the one end at described moving bead disk center.
4. friction speed limiting device according to claim 2, is characterized in that: described friction disk I is provided with towards the side of described moving bead disk the smooth surface coordinated with described Puli pearl component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420835557.2U CN204493516U (en) | 2014-12-25 | 2014-12-25 | Friction speed limiting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420835557.2U CN204493516U (en) | 2014-12-25 | 2014-12-25 | Friction speed limiting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204493516U true CN204493516U (en) | 2015-07-22 |
Family
ID=53572836
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420835557.2U Expired - Fee Related CN204493516U (en) | 2014-12-25 | 2014-12-25 | Friction speed limiting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204493516U (en) |
-
2014
- 2014-12-25 CN CN201420835557.2U patent/CN204493516U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150722 Termination date: 20151225 |
|
| EXPY | Termination of patent right or utility model |