CN204493514U - Friction speed limiting device anti-out of supply - Google Patents
Friction speed limiting device anti-out of supply Download PDFInfo
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- CN204493514U CN204493514U CN201420834899.2U CN201420834899U CN204493514U CN 204493514 U CN204493514 U CN 204493514U CN 201420834899 U CN201420834899 U CN 201420834899U CN 204493514 U CN204493514 U CN 204493514U
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- friction
- teeth
- disk
- engagement
- friction disk
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Abstract
The utility model discloses a kind of anti-friction speed limiting device out of supply, 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, and moving bead disk is provided with Puli pearl arm component towards the side of friction disk I; All external spline teeth of engagement external splines are all set to teeth I, and all inner spline gears of engagement internal spline are all set to teeth II.
Description
Technical field
The utility model designs 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 anti-friction speed limiting device out of supply, can not only carry out counter balance torque effect, and can prevent out of supply according to the torque Automatic adjusument frictional force size received.
For achieving the above object, the utility model provides following technological scheme:
A friction speed limiting device anti-out of supply, 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 the engagement internal spline for engaging with described mesh splines tooth engage a gear, 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,
All external spline teeth of described engagement external splines are all set to teeth I, the direction that the width of described teeth I points to described engagement internal spline along described engagement external splines increases gradually, and described teeth I is provided with towards one end of described engagement internal spline the arc envelope face I formed by circular arc chamfering, and seamlessly transit between described arc envelope face I with the two side of corresponding described teeth I;
All inner spline gears of described engagement internal spline are all set to teeth II, the direction that the width of described teeth II points to described engagement external splines along described engagement internal spline increases gradually, and described teeth II is provided with towards one end of described engagement external splines the arc envelope face II formed by circular arc chamfering, seamlessly transits between described arc envelope face II with the two side of corresponding described teeth 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.
Further, described teeth I is arranged axisymmetricly, and the angle between the dual-side in the cross section that the symmetry plane falling in described teeth I also intercepts on corresponding described teeth I with the plane of the axis being parallel of described engagement external splines is 10 °.
Further, the external diameter in described arc envelope face I reduces gradually on the radially outer direction of described engagement external splines; The Axisymmetric Distributed Line in described arc envelope face I is in the oblique line tilted relative to the axis of described engagement external splines, and the angle between the Axisymmetric Distributed Line in described arc envelope face I with the described axis engaging external splines is 70 °.
Further, described teeth II is arranged axisymmetricly, and the angle between the dual-side in the cross section that the symmetry plane falling in described teeth II also intercepts on corresponding described teeth II with the plane of the axis being parallel of described engagement internal spline is 10 °.
Further, the external diameter in described arc envelope face II reduces gradually on the radially inner direction of described engagement internal spline; The Axisymmetric Distributed Line in described arc envelope face II is in the oblique line tilted relative to the axis of described engagement internal spline, and the angle between the Axisymmetric Distributed Line in described arc envelope face II with the described axis engaging internal spline is 70 °.
The beneficial effects of the utility model are:
The utility model prevents friction speed limiting device out of supply, 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; By the spline tooth of engagement external splines and engagement internal spline is all set to teeth, and arc envelope face is set in one end of teeth, can not engage a gear engagement time more smooth-going, and can avoid engagement external splines and engagement internal spline out of supply after engage a gear engagement.
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 that the utility model prevents friction speed limiting device embodiment out of supply;
Fig. 2 is the A detail drawing of Fig. 1;
Fig. 3 is the structural representation of driven gear;
Fig. 4 is the B-B sectional drawing of Fig. 3;
Fig. 5 is the structural representation of engaging sleeve;
Fig. 6 is the C-C sectional drawing of Fig. 5.
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, for the utility model prevents the structural representation of friction speed limiting device embodiment out of supply.The present embodiment prevents friction speed limiting device out of supply, 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 the engagement internal spline 9 for engaging with mesh splines tooth engage a gear, 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.
All external spline teeth of the engagement external splines 8 of the present embodiment are all set to teeth I, the direction that the width of teeth I points to engagement internal spline 9 along engagement external splines 8 increases gradually, and teeth I is provided with towards the one end of engaging internal spline 9 the arc envelope face I 17 formed by circular arc chamfering, and seamlessly transit between arc envelope face I 17 with the two side of corresponding teeth I.The teeth I of the present embodiment is arranged axisymmetricly, the angle α between the dual-side in the cross section that the symmetry plane falling in teeth I also intercepts on corresponding teeth I with the plane of the axis being parallel of engagement external splines 8
1be 10 °.The external diameter in arc envelope face I 17 reduces gradually on the radially outer direction of engagement external splines 8, the oblique line of Axisymmetric Distributed Line in the axis inclination relative to engagement external splines in arc envelope face I 17, and the Axisymmetric Distributed Line in arc envelope face I 17 and the angle β between the axis engaging external splines
1it is 70 °.
All inner spline gears of the engagement internal spline 9 of the present embodiment are all set to teeth II, the direction that the width of teeth II points to engagement external splines 8 along engagement internal spline 9 increases gradually, and teeth II is provided with towards the one end of engaging external splines the arc envelope face II 18 formed by circular arc chamfering, seamlessly transits between arc envelope face II 18 with the two side of corresponding teeth II.The teeth II of the present embodiment is arranged axisymmetricly, the angle α between the dual-side in the cross section that the symmetry plane falling in teeth II also intercepts on corresponding teeth II with the plane of the axis being parallel of engagement internal spline 9
2be 10 °.The external diameter in the arc envelope face II 18 of the present embodiment reduces gradually on the radially inner direction of engagement internal spline; The oblique line of Axisymmetric Distributed Line in the axis inclination relative to engagement internal spline in arc envelope face II 18, and the Axisymmetric Distributed Line in arc envelope face II 18 and the angle β between the axis engaging internal spline
2it is 70 °.
The present embodiment prevents friction speed limiting device out of supply, 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; By the spline tooth of engagement external splines and engagement internal spline is all set to teeth, and arc envelope face is set in one end of teeth, can not engage a gear engagement time more smooth-going, and can avoid engagement external splines and engagement internal spline out of supply after engage a gear engagement.
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 (8)
1. a friction speed limiting device anti-out of supply, 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 the engagement internal spline for engaging with described mesh splines tooth engage a gear, 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,
All external spline teeth of described engagement external splines are all set to teeth I, the direction that the width of described teeth I points to described engagement internal spline along described engagement external splines increases gradually, and described teeth I is provided with towards one end of described engagement internal spline the arc envelope face I formed by circular arc chamfering, and seamlessly transit between described arc envelope face I with the two side of corresponding described teeth I;
All inner spline gears of described engagement internal spline are all set to teeth II, the direction that the width of described teeth II points to described engagement external splines along described engagement internal spline increases gradually, and described teeth II is provided with towards one end of described engagement external splines the arc envelope face II formed by circular arc chamfering, seamlessly transits between described arc envelope face II with the two side of corresponding described teeth II.
2. friction speed limiting device anti-out of supply 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 anti-out of supply 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 anti-out of supply 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.
5. friction speed limiting device anti-out of supply according to claim 1, it is characterized in that: described teeth I is arranged axisymmetricly, the angle between the dual-side in the cross section that the symmetry plane falling in described teeth I also intercepts on corresponding described teeth I with the plane of the axis being parallel of described engagement external splines is 10 °.
6. friction speed limiting device anti-out of supply according to claim 5, is characterized in that: the external diameter in described arc envelope face I reduces gradually on the radially outer direction of described engagement external splines; The Axisymmetric Distributed Line in described arc envelope face I is in the oblique line tilted relative to the axis of described engagement external splines, and the angle between the Axisymmetric Distributed Line in described arc envelope face I with the described axis engaging external splines is 70 °.
7. friction speed limiting device anti-out of supply according to claim 1, it is characterized in that: described teeth II is arranged axisymmetricly, the angle between the dual-side in the cross section that the symmetry plane falling in described teeth II also intercepts on corresponding described teeth II with the plane of the axis being parallel of described engagement internal spline is 10 °.
8. friction speed limiting device anti-out of supply according to claim 7, is characterized in that: the external diameter in described arc envelope face II reduces gradually on the radially inner direction of described engagement internal spline; The Axisymmetric Distributed Line in described arc envelope face II is in the oblique line tilted relative to the axis of described engagement internal spline, and the angle between the Axisymmetric Distributed Line in described arc envelope face II with the described axis engaging internal spline is 70 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420834899.2U CN204493514U (en) | 2014-12-25 | 2014-12-25 | Friction speed limiting device anti-out of supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420834899.2U CN204493514U (en) | 2014-12-25 | 2014-12-25 | Friction speed limiting device anti-out of supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204493514U true CN204493514U (en) | 2015-07-22 |
Family
ID=53572834
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420834899.2U Expired - Fee Related CN204493514U (en) | 2014-12-25 | 2014-12-25 | Friction speed limiting device anti-out of supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204493514U (en) |
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2014
- 2014-12-25 CN CN201420834899.2U patent/CN204493514U/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 |