CN1607345A - Intelligent speed-change gear - Google Patents
Intelligent speed-change gear Download PDFInfo
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- CN1607345A CN1607345A CN 200310100558 CN200310100558A CN1607345A CN 1607345 A CN1607345 A CN 1607345A CN 200310100558 CN200310100558 CN 200310100558 CN 200310100558 A CN200310100558 A CN 200310100558A CN 1607345 A CN1607345 A CN 1607345A
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- pedestal
- gear
- groove
- collar
- torsion
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- 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 description 39
- 230000008859 change Effects 0.000 claims description 35
- 230000007246 mechanism Effects 0.000 abstract description 5
- 230000005540 biological transmission Effects 0.000 description 16
- 230000009467 reduction Effects 0.000 description 13
- 238000006243 chemical reaction Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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Abstract
An intelligent speed variable mechanism consists of hollow casing, conveyer device and torsion feedback device. The characteristic is that the torsion feedback device has torsion resisting element. When load torsion is less than its resisting force, the shift position of speed reducing mechanism of conveyer keeps initial position, if load torsion is greater than its resisting force, it may press all gears by a sleeve driven by thrust wheel in torsion feedback device to switch shift to another position to obtain automatic gear shifting and raise mechanical efficiency.
Description
Technical field
The present invention relates to a kind of intelligent gear, be particularly related to and see through a torsion feedback device and control a change gear position in the transmitting set, again by the speed change gear in this change gear switching transmitting set, making can be when load torsion increases or reduce, the reducing gear of automatic switchover power transmission.
Background technique
The power transmission that has the multistage speed change in power transmission commonly used, especially the electric tool device as electric rotating tool (for example electric drill, Electric screw driver etc.) use can use reducing gear so that multistage speed change or multistage torsion to be provided usually.Generally, the reducing gear of this class mainly is made of array planetary gear mechanism, it is to control its inner clutch or some lead agency by man-operated mechanism, make in each gear train, some element is fixed or some element is driven, thereby reaches the different inputs and the effect of output reduction speed ratio.
Summary of the invention
In the reducing gear of described power transmission commonly used, it need utilize its use experience by the user, or observes machining status in operating process, carry out subjective judgement after, could be through the gear of manual conversion reducing gear, thus reach torsion or the rotating speed that is enough to operation.Torsion, rotating speed, loss power and the mechanical efficiency of the drive motor of general reducing gear have certain relation, its loss power and mechanical efficiency are normally along with the increase of the product of torsion and rotating speed and promote, when the product of torsion and rotating speed reaches a certain particular value, its loss power can continue to increase, but mechanical efficiency can descend gradually.Yet,, often can not make suitably that the operation of this drive motor drops in the scope of mechanical efficiency the best by the control of manual operation.Therefore, need a kind of mechanism that can feedback load torsion, with the gear of automatic switchover reducing gear, and the present invention promptly is based on the shortcoming of the reducing gear of power transmission commonly used and creates.
The present invention is a kind of intelligent gear, with restriction and the shortcoming in one of reality solution or even the several described correlation technique.
For achieving the above object, the invention provides a kind of intelligent gear, mainly be to form by hollow casing to install a transmitting set in the pedestal in regular turn and a torsion feedback device is constituted, it is characterized in that: this pedestal have penetrate its housing and form several mutually corresponding guide grooves of triangular shape respectively and form parallel ring to a microscler groove, and this pedestal inner bottom part and outer bottom form a flange respectively; This transmitting set is to mesh two groups of planetary gear groups by the change gear that an inner gear structure forms to be constituted, and forms the annular groove of an indent around this change gear outer shroud.Embed in the annular groove of this change gear by several latches of installing in the described collar, this change gear of may command is in first limit position and meshes two groups of planetary gear groups simultaneously, or controls this change gear and be in second limit position and only mesh its second planetary gear group; This torsion feedback device has a Propelling wheel, a collar and a pressure spring, this Propelling wheel outer surface stretches out and forms a guide rod, this collar is equiped with several latches and can passes in each guide groove of this pedestal and embed in the annular groove of described change gear, and this collar cooperate the guide rod of the groove of this pedestal and this Propelling wheel and form penetrate and parallel axes to a microscler fluting, this pressure spring then be subjected to this collar and pedestal outer surface flange and on being controlled at around this pedestal outer shroud.Therefore, if the load torsion that described Propelling wheel is subjected to, when being not enough to overcome the opposing of this torque spring and pressure spring, this change gear can be in first limit position, and meshes two groups of star formula gear trains simultaneously with its synchronous rotation.If described Propelling wheel is subjected to enough big load torsion, and when being enough to overcome the opposing of this torque spring and pressure spring, it can produce rotation and drive this collar and press this change gear and move, and makes this change gear be in second limit position and and the flange engaging of this pedestal inner bottom part and can't rotating.So the intelligent gear of the present invention can be when load torsion increases or reduce, the reducing gear of automatic switchover power transmission, and reach automatic conversion gear, and promote the mechanical efficiency of power transmission.
Based on the intelligent gear of described the present invention, it can reach following effect and effect:
1. by the intelligent gear of the present invention, make when load torsion increases or reduce, the reducing gear of power transmission that can automatically switch, and reach automatic conversion gear.
2. utilize the automatic speed changing function of power transmission of the present invention, the torsion of its power input device of may command and rotating speed maintain than low-loss power but in the zone of higher mechanical efficiency.
Purpose of the present invention and function will cooperate following diagram to be described further.
Description of drawings
Accompanying drawing is shown provides as the specific embodiment who specifically presents each element described in this specification, and explains that main purpose of the present invention is to promote understanding of the present invention.
Fig. 1 is for showing the three-dimensional exploded view of the intelligent gear of the present invention;
Fig. 2 is for showing the cross section view of pedestal in the intelligent gear of the present invention;
Fig. 3 is for showing the cross section view of the pedestal under second section speed of the intelligent gear of the present invention;
But Fig. 4 A is the front elevation when showing the present invention's self-shifting power transmission initial segment speed;
But Fig. 4 B is the right side view when showing the present invention's self-shifting power transmission initial segment speed;
The left side view of Fig. 4 C when showing that but second section of the present invention's self-shifting power transmission is fast.
Among the figure
1 pedestal, 13 flanges, 11 containing grooves
14 narrow 11 containing grooves, 15 grooves that meet
11a flange 2 torsion feedback devices 12 guide grooves
21 torque spring 12a groove 21a go up fixed end
Fixed end 3 transmitting sets 22 Propelling wheels under the 21b
31 input gear 22a guide rods, 32 front reduction gears wheel
22b internal gear 32a planet wheel 22c fossula
32b driven gear 24 collars 33 change gear
33b groove 24c latch 34 back ratio wheels
24d fluting 34a planet wheel 25 pressure springs
The 34b output gear
Embodiment
Below will cooperate appended diagram to be described in further detail at preferred embodiment of the present invention.
With reference to the preferred embodiment of the shown intelligent gear of the present invention of figure 1 and Fig. 2, it is made of a pedestal 1, a torsion feedback device 2 and a transmitting set 3.
This pedestal 1 is a cylindrical housings, its inner containing groove 11 that forms hollow, this containing groove 11 forms several flanges 11a of protuberate on bottom periphery, and outwards penetrate several triangular shape guide grooves 12 of formation from housing in same axial positions, one drift angle of each guide groove 12 up and a base parallel ring to and extend suitably distance and form groove 12a to both sides, this groove 12a root edge forms the flange 13 of outstanding surface of shell, again, these containing groove 11 top end faces inwardly concave and form and penetrate one of thickness of shell direction and narrowly meet 14, cut penetrate this housing side and form parallel ring to an elongated groove 15.
This torsion feedback device 2 comprises a torque spring 21, a Propelling wheel 22, a collar 24 and a pressure spring 25.This Propelling wheel outer surface stretches out and forms a guide rod 22a and internal surface forms an internal gear 22b, and these Propelling wheel 22 outer surfaces form indent again and run through a fossula 22c of two ends end face; This collar 24 is C shape shell constructions, several flanges 24a of protuberate is formed on its outer surface top, and several plug housings 24b that penetrates its housing and cooperate each guide groove 12 of this pedestal 1 is respectively formed on these collar 24 bottoms, each plug housing 24b can install a latch 24c respectively, this collar 24 cooperate the guide rod 22a of the groove 15 of this pedestal 1 and this Propelling wheel 22 again and form penetrate and parallel axes to elongated fluting 24d; This pressure spring 25 is on being sheathed on around this pedestal 1 outer shroud, and is limited by between each flange 24a of the flange 13 of this pedestal 1 and this collar 24, and it can be subjected to the displacement of this collar 24 and produce axial elastic force; This torque spring 21 be one can provide the opposing torsion structure, the one end forms fixed end 21a on, the other end then forms fixed end 21b, make that fixed end 21a can embed among the fossula 22c of this Propelling wheel 22 on this, this time fixed end 21b can embed the narrow of this pedestal 1 and meet in 14, so the initial relative position of this Propelling wheel 22 of may command and this pedestal 1.
This transmitting set 3 comprises an input gear 31, front reduction gear wheel 32, one change gear 33 and a back ratio wheel 34.This input gear 31 is the power transmission gears as a power input device (not shown); This front reduction gear wheel 32 is external gear structures, the one end articulates several planet wheels 32a, the affixed driven gear 32b of the other end is to transmit power to this back ratio wheel 34, each planet wheel 32a meshes this input gear 31 and this Propelling wheel 22b simultaneously, therefore forms the reducing gear of a planetary gear; This change gear 33 is inner gear structures, form the annular groove 33a of an indent around its outer shroud, and its bottom end has the groove 33b of a plurality of dispersed arrangement on end face surface, each latch 24c in the described collar 24 can pass the guide groove 12 of this pedestal 1 and embed this annular groove 33a, each flange 11a of engageable these pedestal 1 containing groove 11 bottoms of each groove 33b; This back ratio wheel 34 is disc structures, the one end articulates several planet wheels 34a, the affixed output gear 34b of the other end is with transmission power to one power take-off (not shown), and each planet wheel 34a can mesh the driven gear 32b of this front reduction gear wheel 32 and the internal tooth of this change gear 33 simultaneously, therefore forms the reducing gear of a planetary gear.
Based on the intelligent gear of described the present invention, the containing groove 11 of this pedestal 1 pack in regular turn this transmitting set 3 and torsion feedback device 2, under its initial conditions, this collar 24 is subjected under the elastic force effect of this pressure spring 25, its latch 24c can be in the drift angle place of the guide groove 12 of this containing groove 11, simultaneously, the annular groove 33a by the latch 24c of this collar 24 controls this change gear 33 makes this change gear 33 be in the limit position at its top.Moreover, under original state (shown in figure 4A and Fig. 4 B), guide rod 22a in this Propelling wheel 22 embeds earlier in the groove 15 of this pedestal 1 and is limited the scope of angle of swing, and this guide rod 22a penetrates the fluting 24d of this collar 24 again, therefore, this moment this Propelling wheel 22 the angular orientation be to be subjected to the control of this torque spring 21 and the collar 24 simultaneously and to determine.
Shown in figure 3, Fig. 4 A, Fig. 4 B and Fig. 4 C figure, when its power transmission running, be subjected under the situation of bigger opposing torsion, input gear 31 in this transmitting set 3 can increase the torsion of this front reduction gear wheel 32 of input gradually, make the planet wheel 32a in this front reduction gear wheel 32 can act on the internal gear 22b of suitable reaction force in this Propelling wheel 22, and make that producing this Propelling wheel 22 rotates.Yet the resistivity that this Propelling wheel 22 must overcome this torque spring 21 and this pressure spring 25 just can rotate.The generation of these pressure spring 25 reaction elastic force, be to drive this collar 24 via this fluting 24d when these Propelling wheel 22 rotations and through its guide rod 22a, this cover goes back 4 when rotating, can move along the inclined-plane of the groove 15 of this pedestal 1 via the latch 24c of its bottom and descend, produce counteractive elastic force so make this collar 24 can press this compression Huang 25.Under these circumstances, this latch 24c can drive this change gear 33 simultaneously and move down, reach certain when a certain amount of up to this front reduction gear wheel 32 torque values that act on this Propelling wheel 22, this Propelling wheel 22 can reach maximum rotation angle position, and this change gear 33 can reach the bottom limit position and makes the groove 33b bottom it engage the flange 11a of these pedestal 1 containing groove 11 bottoms.
The torque value size of described switching reducing gear can determine by choosing torque spring 21 and pressure spring 25 with suitable elasticity coefficient.
The intelligent gear of described the present invention can be used as a kind of power transmission of electronic driling machine, when holing, if little torsion output is provided, these front reduction gear wheel 32 torsion that act on this Propelling wheel 22 are not enough to overcome the resistivity of this torque spring 21 and this pressure spring 25, therefore this Propelling wheel 22 does not rotate, make this change gear 33 be in original state and mesh the planet wheel 34a of this front reduction gear wheel 32 and back ratio wheel 34 simultaneously, and this change gear 33 can be along with this front reduction gear wheel 32 and 34 rotations synchronously of back ratio wheel, provide first section speed of gear this moment, and its torsion and rotation speed relation can be near the zone of efficiency curve maximum; If it provides big torsion output, this input gear 31 can increase the torsion of input gradually, and these front reduction gear wheel 32 torsion that act on this Propelling wheel 22 are enough to overcome the resistivity of this torque spring 21 and this pressure spring 25, therefore this Propelling wheel 22 can and rotate along with the torsion increase, make this change gear 33 be in the state of lowest limit position at last and break away from this front reduction gear and take turns 32, but still mesh the planet wheel 34a of this back ratio wheel 34, and this change gear 33 can can't be rotated because groove 33b is subjected to the engaging of this pedestal 1 containing groove 11 base flange 11a, provide first section speed of gear this moment, and its torsion and rotation speed relation can be near the zone of efficiency curve maximum.
The above for explaining preferred embodiment of the present invention, is not that the present invention is done any pro forma restriction only, therefore, all have in that identical creation spirit is following does about any modification of the present invention or change, all must be included in the category that the present invention protects.
Claims (2)
1. intelligent gear mainly is to be formed by hollow casing to install a transmitting set in the pedestal in regular turn and a torsion feedback device is constituted, and it is characterized in that:
This pedestal have penetrate its housing and form several mutually corresponding guide grooves of triangular shape respectively and form parallel ring to a microscler groove, and this pedestal inner bottom part and outer bottom form a flange respectively;
This transmitting set is to mesh one first planetary gear group and one second planetary gear group is constituted by the change gear that an inner gear structure forms, this first planetary gear group has an external gear, and several grooves of flange that cooperate this pedestal inner bottom part are formed on the annular groove and the appearance bottom that form an indent around this change gear outer shroud;
This torsion feedback device has a Propelling wheel, a collar and a pressure spring, this Propelling wheel outer surface stretches out and forms a guide rod, this collar is equiped with several latches and can passes in each guide groove of this pedestal and embed in the annular groove of described change gear, and this collar cooperate the guide rod of the groove of this pedestal and this Propelling wheel and form penetrate and parallel axes to a microscler fluting, this pressure spring then be subjected to this collar and pedestal outer surface flange and on being controlled at around this pedestal outer shroud;
Described each guide groove be a drift angle up and a base parallel ring to and extend suitably distance and form groove to both sides;
When described Propelling wheel is rotated, its guide rod can move along the groove of this pedestal and drive this collar by this fluting and rotate, and makes this collar can be simultaneously descend and press this pressure spring along the inclined-plane of the groove of this pedestal through the latch of its bottom and produces axial resistivity;
The described collar is equiped with several latches and can embeds in each guide groove of this pedestal and be limited, this latch also can embed in the annular groove of described change gear, be in first limit position and mesh this first planetary gear group and the second planetary gear group simultaneously to control this change gear, or control this change gear and be in second limit position and only mesh this second planetary gear group;
When described change gear was in first limit position, it can rotate synchronously with this first planetary gear group and the second planetary gear group;
When described change gear is in second limit position, its bottom groove can be subjected to this pedestal inner bottom part flange engagement and can't rotate.
2. intelligent gear according to claim 1 is characterized in that, this torsion feedback device has a torque spring, the affixed Propelling wheel outer rim of this torque spring one end and affixed this pedestal outer rim of the other end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2003101005589A CN100335823C (en) | 2003-10-16 | 2003-10-16 | Intelligent speed-change gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2003101005589A CN100335823C (en) | 2003-10-16 | 2003-10-16 | Intelligent speed-change gear |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1607345A true CN1607345A (en) | 2005-04-20 |
| CN100335823C CN100335823C (en) | 2007-09-05 |
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ID=34756005
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2003101005589A Expired - Lifetime CN100335823C (en) | 2003-10-16 | 2003-10-16 | Intelligent speed-change gear |
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| Country | Link |
|---|---|
| CN (1) | CN100335823C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101813168A (en) * | 2010-04-30 | 2010-08-25 | 胡炜 | Dual-speed-ratio speed reducer |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB9304540D0 (en) * | 1993-03-05 | 1993-04-21 | Black & Decker Inc | Power tool and mechanism |
| DE29904051U1 (en) * | 1999-03-05 | 1999-06-17 | Chung, Lee Hsin-Chih, Chungli, Taoyuan | Switching device for a reduction gear |
| US6676557B2 (en) * | 2001-01-23 | 2004-01-13 | Black & Decker Inc. | First stage clutch |
-
2003
- 2003-10-16 CN CNB2003101005589A patent/CN100335823C/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101813168A (en) * | 2010-04-30 | 2010-08-25 | 胡炜 | Dual-speed-ratio speed reducer |
| CN101813168B (en) * | 2010-04-30 | 2013-03-27 | 沃德(天津)传动有限公司 | Dual-speed-ratio speed reducer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100335823C (en) | 2007-09-05 |
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| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| ASS | Succession or assignment of patent right |
Owner name: QIANGGANG INDUSTRIAL STOCK CO., LTD. Free format text: FORMER OWNER: JIAN ZIQIANG Effective date: 20060526 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20060526 Address after: Taoyuan County of Taiwan Province Applicant after: Qiang Gang Industrial Co.,Ltd. Address before: Taipei city of Taiwan Province Applicant before: Jian Ziqiang |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20070905 |