CN101988559B - Self-locking anti-jamming transmission device - Google Patents
Self-locking anti-jamming transmission device Download PDFInfo
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- CN101988559B CN101988559B CN2010102292824A CN201010229282A CN101988559B CN 101988559 B CN101988559 B CN 101988559B CN 2010102292824 A CN2010102292824 A CN 2010102292824A CN 201010229282 A CN201010229282 A CN 201010229282A CN 101988559 B CN101988559 B CN 101988559B
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- bevel gear
- self
- transmission
- output shaft
- power output
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Abstract
本发明公开了一种自锁式抗干扰传动装置，包括动力输入传动副和动力输出轴，动力输入传动副为蜗轮蜗杆副，与蜗轮蜗杆副的蜗轮在圆周方向固定配合设置传动架，动力输出轴上在圆周方向固定配合且沿轴向并列设置输出锥齿轮Ⅰ和输出锥齿轮Ⅱ，所述传动架上转动配合设置输入锥齿轮，输出锥齿轮Ⅰ和输出锥齿轮Ⅱ均与输入锥齿轮啮合，本发明输出轴由于外界附加力矩的转动由双锥齿轮抵消，无法继续传递，当出现较大干扰力矩时，由于蜗轮蜗杆的自锁作用，传动链继续传动；本发明能防止外来因素造成的相对转动，当有正向或反向力矩附加到动力输出轴时，本装置仍然可以传递设定的正向运动运行，能够最大限度消除外界干扰对系统运动的影响。
The invention discloses a self-locking anti-interference transmission device, which includes a power input transmission pair and a power output shaft. The power input transmission pair is a worm gear pair. The shaft is fixedly matched in the circumferential direction and the output bevel gear I and the output bevel gear II are arranged side by side in the axial direction, and the input bevel gear is arranged on the transmission frame to rotate and fit, and the output bevel gear I and the output bevel gear II are both meshed with the input bevel gear , the rotation of the output shaft of the present invention is offset by the double bevel gear due to the external additional torque, and cannot continue to be transmitted. When a large disturbance torque occurs, the transmission chain continues to drive due to the self-locking effect of the worm gear and worm; the present invention can prevent external factors. Relative to rotation, when there is positive or reverse torque attached to the power output shaft, the device can still transmit the set forward motion and run, which can eliminate the influence of external interference on the system motion to the greatest extent.
Description
Technical field
The present invention relates to a kind of anti-interference transmission device, the anti-interference transmission device of particularly a kind of self-locking.
Background technique
Along with science and technology development, the requirement to transmission in various instruments, instrument and the machinery is also increasingly high, and particularly the ability to the anti-external interference of transmission device proposes higher requirement.Extraneous interference generally can produce transmission device just to be changeed or torque reaction, causes the transmission of transmission device can not satisfy the equipment needs.
In the existing technology, for transmission device, what pay attention to is the precision drive problem that solves transmission device, and general accurate transmission mechanism can not bear heavy duty, otherwise high-precision working life is shorter.Particularly existing accurate transmission mechanism can not overcome the interference outside the system, when the additional moment in an external world imposes on the output terminal of system, will destroy the motor pattern of whole drive system.
Therefore, need a kind of anti-interference transmission device, can overcome extraneous interference, what prevent promptly that foeign element from causing relatively rotates, and has stronger self-lock ability.
Summary of the invention
In view of this, the purpose of this invention is to provide the anti-interference transmission device of a kind of self-locking, can overcome extraneous interference, what prevent promptly that foeign element from causing relatively rotates, and has stronger self-lock ability.
The anti-interference transmission device of self-locking of the present invention; Comprise power input transmission and pto; Said power input transmission is a worm couple, in the circumferencial direction secure fit gear frame is set with the worm gear of worm couple, on the said pto in the circumferencial direction secure fit and be set up in parallel output bevel gear I and output bevel gear II vertically; Being rotatably assorted on the said gear frame is provided with the input bevel gear, and said output bevel gear I and output bevel gear II all mesh with the input bevel gear.
Further, said gear frame is a tubular structure, and pto is placed in gear frame with gear frame in coaxial and is rotatably assorted with it, and the input bevel gear is rotatably assorted along gear frame mode and gear frame radially with axis;
Further, at least two circumferencial directions along gear frame of said input bevel gear are uniformly distributed with;
Further, also comprise housing, said gear frame and pto are rotatably assorted with housing respectively;
Further, the gear frame two ends are respectively to the axis bending, and an end bent end is fixedly connected at circumferencial direction through the bolt pair with worm gear, and the other end bent end is fixedly connected at circumferencial direction through the bolt pair with a gland, and gland and housing are rotatably assorted; Pto passes the bent end at gear frame two ends and is rotatably assorted respectively with the bent end at gear frame two ends; The clutch end of pto passes gland and is rotatably assorted with it, and the other end of pto is rotatably assorted through thrust-bearing and housing.
Further, the worm screw of said worm couple and housing are rotatably assorted and extend housing;
Further, be rotatably assorted through selfaligning roller bearing between the worm gear of said worm couple and the pto.
The invention has the beneficial effects as follows: the anti-interference transmission device of self-locking of the present invention; Adopt the output shaft structure of bipyramid gear and combine worm and gear input transmission; Thereby output shaft can't continue to transmit, when larger interference moment occurring because the rotation of extraneous additional moment is offset by the bipyramid gear; Because the self-locking action of worm and gear, Transmitted chains continues transmission; This shows; The present invention can overcome extraneous interference, and what prevent promptly that foeign element from causing relatively rotates, when moment appends to pto forward or backwards; This device still can transmit the positive movement operation of setting, can eliminate the influence of external interference to system motion to greatest extent.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the present invention is further described.
Fig. 1 is a structural representation of the present invention;
Embodiment
Fig. 1 is a structural representation of the present invention; As shown in the figure: the anti-interference transmission device of the self-locking of present embodiment; Comprise power input transmission and pto 8; Said power input transmission is a worm couple, in the circumferencial direction secure fit gear frame 14 is set with the worm gear 2 of worm couple, on the said pto 8 in the circumferencial direction secure fit and be set up in parallel output bevel gear I10 and output bevel gear II13 vertically; Being rotatably assorted on the said gear frame 14 is provided with input bevel gear 12, and said output bevel gear I10 and output bevel gear II13 all mesh with input bevel gear 12.
In the present embodiment, said gear frame 14 is a tubular structure, is placed in gear frame 14 in pto 8 and gear frame 14 are coaxial and is rotatably assorted with it, and input bevel gear 12 is rotatably assorted along gear frame 14 mode and gear frame 14 radially with axis; Compact structure is arranged easily; As shown in the figure, the axis of input bevel gear 12 is along the radially setting of gear frame 14.
In the present embodiment, 12 at least two circumferencial directions along gear frame 14 of said input bevel gear are uniformly distributed with, and present embodiment is two symmetrical distributions, and power transmission is even, and is as shown in the figure, and two input bevel gears are respectively input bevel gear 12 and input bevel gear 12a; And input bevel gear 12 is rotatably assorted with annular bearing with rolling contact 3a and gear frame 14 through annular bearing with rolling contact 3 respectively with input bevel gear 12a.
In the present embodiment, also comprise housing 15, said gear frame 14 is rotatably assorted with housing 15 respectively with pto 8; As shown in the figure; Gear frame 14 two ends are respectively to the axis bending; One end bent end is fixedly connected at circumferencial direction through the bolt pair with worm gear 2, and the other end bent end and a gland 6 are fixedly connected at circumferencial direction through bolt secondary 5, and gland 6 is rotatably assorted through plane bearing 4 and housing 15 1 ends.The bent end at the two ends of pto and gear frame is rotatably assorted (as shown in the figure respectively through annular bearing with rolling contact; One bent end 11 is rotatably assorted through annular bearing with rolling contact 16 and pto 8 through annular bearing with rolling contact 9, another bent end); The clutch end of pto 8 passes gland 6 and is rotatably assorted through annular bearing with rolling contact 7 with it, and the other end of pto 8 is rotatably assorted through thrust-bearing 18 and housing 15; The total compact, volume is little, and power transmission is stable; Thrust-bearing can bear bigger axial force, prevents the axial float of pto, improves the accuracy of device.
In the present embodiment, the worm screw 1 and the housing 15 of said worm couple is rotatably assorted and extends housing 15, forms the power intake that cooperates with the power engine transmission.
In the present embodiment, be rotatably assorted through selfaligning roller bearing 17 between the worm gear 2 of said worm couple and the pto 8.
The present invention in use, input bevel gear 12 and input bevel gear 12a drive output bevel gear I10 and drive pto 8 with output bevel gear II13 and normally move; When pto 8 receives external disturbed motion; Have leading or when lagging behind original motion rotating speed; Will make output bevel gear I10 and output bevel gear II13 have synchronous motion; And output bevel gear I10 and output bevel gear II13 while and input bevel gear 12 and input bevel gear 12a engagement, feasible output bevel gear I10 and output bevel gear II13 can not move in the same way, prevent that effectively external disturbances is to motional effects; When pto 8 receives bigger impact torque; Possibly make when output bevel gear I10 and output bevel gear II13 drive input bevel gear 12 and input bevel gear 12a and gear frame 14 as the whole leading or lost motion of a rigid body; Because gear frame 14 and worm gear 2 are fixed at circumferencial direction; The auto-lock function of worm couple can make worm gear 2 and gear frame 14 keep the state of original motion, and then makes the motion state of pto 8 keep original motion state.
Explanation is at last; Above embodiment is only unrestricted in order to technological scheme of the present invention to be described; Although with reference to preferred embodiment the present invention is specified, those of ordinary skill in the art should be appreciated that and can make amendment or be equal to replacement technological scheme of the present invention; And not breaking away from the aim and the scope of technological scheme of the present invention, it all should be encompassed in the middle of the claim scope of the present invention.
Claims (7)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102292824A CN101988559B (en) | 2010-07-16 | 2010-07-16 | Self-locking anti-jamming transmission device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102292824A CN101988559B (en) | 2010-07-16 | 2010-07-16 | Self-locking anti-jamming transmission device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101988559A CN101988559A (en) | 2011-03-23 |
| CN101988559B true CN101988559B (en) | 2012-08-08 |
Family
ID=43745266
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102292824A Expired - Fee Related CN101988559B (en) | 2010-07-16 | 2010-07-16 | Self-locking anti-jamming transmission device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101988559B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105402032A (en) * | 2014-09-15 | 2016-03-16 | 凤城太平洋神龙增压器有限公司 | Electronic throttle valve actuating mechanism |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0091251A2 (en) * | 1982-04-02 | 1983-10-12 | F.G. Kaye & Son Limited | Power transmission joint |
| CN2628806Y (en) * | 2003-07-18 | 2004-07-28 | 吕连生 | Gear single-way driving device |
| CN1877160A (en) * | 2006-07-07 | 2006-12-13 | 重庆大学 | Speed reducer dedicated for electric actuator |
| CN201424114Y (en) * | 2009-03-17 | 2010-03-17 | 福斯特资产有限公司 | A power hybrid input transmission device with a differential mechanism |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5509866A (en) * | 1994-06-28 | 1996-04-23 | Univerg Research Netwerg, Ltd. | Epicyclical galactic cluster gearing system |
-
2010
- 2010-07-16 CN CN2010102292824A patent/CN101988559B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0091251A2 (en) * | 1982-04-02 | 1983-10-12 | F.G. Kaye & Son Limited | Power transmission joint |
| CN2628806Y (en) * | 2003-07-18 | 2004-07-28 | 吕连生 | Gear single-way driving device |
| CN1877160A (en) * | 2006-07-07 | 2006-12-13 | 重庆大学 | Speed reducer dedicated for electric actuator |
| CN201424114Y (en) * | 2009-03-17 | 2010-03-17 | 福斯特资产有限公司 | A power hybrid input transmission device with a differential mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101988559A (en) | 2011-03-23 |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120808 Termination date: 20150716 |
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