CN203757306U - Over-360-degree coaxial rotation limiting device - Google Patents
Over-360-degree coaxial rotation limiting device Download PDFInfo
- Publication number
- CN203757306U CN203757306U CN201420104471.2U CN201420104471U CN203757306U CN 203757306 U CN203757306 U CN 203757306U CN 201420104471 U CN201420104471 U CN 201420104471U CN 203757306 U CN203757306 U CN 203757306U
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- China
- Prior art keywords
- potentiometer
- shaft
- bearing
- limit
- coupling shaft
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- Withdrawn - After Issue
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Abstract
The utility model discloses an over-360-degree coaxial rotation limiting device. A connection shaft is provided with a shaft shoulder, and a rotary limiting plate and a flange bearing base are sequentially arranged on the shaft shoulder of the connection shaft in a sleeved mode; the rotary limiting plate is located between the flange bearing base and the connection shaft and can rotate freely; the bottom end of an upper limiting pin is fixed to the flange bearing base, and the bottom end of a lower limiting pin is fixed to the connection shaft; the middle of the rotary limiting plate is provided with a through C-shaped groove hole, a center shaft of the C-shaped groove hole and the rotary limiting plate are coaxial, and the head end of the upper limiting pin and the head end of the lower limiting pin extend into the C-shaped groove hole and slide along the C-shaped groove hole; the connection shaft is connected with a potentiometer drive plate through a pressing piece, and the potentiometer drive plate is connected with a rotary shaft of a large-angle potentiometer; the large-angle potentiometer is fixed to a potentiometer adjusting support, and the potentiometer adjusting support is fixedly connected with the outer side of the flange bearing base through a connection piece. The device is compact in structure, reasonable in design, large in bearing force, stable in rotation, wide in application range and capable of achieving over-range rotation free of dead angles and dead zones.
Description
Technical field
The utility model relates to one and surpasses 360 degree coaxial rotating limit stoper.
Background technique
China people, broadcast level The Cloud Terrace is commonly called as to " The Cloud Terrace ", is referred to as abroad by " robot ".Because it is similar to robot unexpectedly, advanced, intelligent, can realize Unmanned operation, wherein in robot, belong to very important mechanism without the design of dead angle, feedback position limitation protection rotating machinery.
Existing broadcast level The Cloud Terrace has the following disadvantages:
Rotary stopper can only be less than 360 degree; Can not feed back and learn current location and angle; When operation, noise is larger; In rotation start-up course, inertia is large, and rotation is level and smooth not, steady.
Summary of the invention
The technical problems to be solved in the utility model is to provide one and surpasses 360 degree coaxial rotating limit stoper.
In order to solve the problems of the technologies described above, the technical solution adopted in the utility model is: surpass 360 degree coaxial rotating limit stoper, comprise that thrust-bearing, flange shaft bearing, slewing limit dish, coupling shaft, upper limit nail, lower limit nail, compressing tablet, potentiometer driver plate, wide-angle potentiometer and potentiometer regulate support;
Coupling shaft is provided with the shaft shoulder, and slewing limit dish and flange shaft bearing are enclosed within on the shaft shoulder of coupling shaft successively, and flange shaft bearing, slewing limit dish, coupling shaft coaxially arrange; Slewing limit dish is positioned at the centre of flange shaft bearing and coupling shaft, and slewing limit dish is respectively by thrust-bearing and flange shaft bearing with coupling shaft is connected and slewing limit dish rotates freely;
The head end that bottom is fixed in flange shaft bearing and upper limit is followed closely of upper limit nail down; The head end that bottom is fixed on coupling shaft and lower limit is followed closely of lower limit nail upward;
Slewing limit dish is ring-type, is provided with the C shape slotted eye of perforation in the middle of ring, and the central shaft of C shape slotted eye is coaxial with slewing limit dish, and the head end of the head end of upper limit nail and lower limit nail stretches in C shape slotted eye and slides along C shape slotted eye;
Upper limit ailhead end is positioned at the head end of C shape slotted eye, lower limit ailhead end is positioned at the tail end of C shape slotted eye, flange shaft bearing drives upper limit nail to turn to tail end along the head end of C shape slotted eye, and then upper limit nail drives slewing limit dish to be rotated further until lower limit stops operating after being pinned to the head end that reaches C shape slotted eye;
Coupling shaft is connected with potentiometer driver plate by compressing tablet, and potentiometer driver plate is connected with the rotatingshaft of wide-angle potentiometer;
Wide-angle potentiometer is fixed on potentiometer and regulates on support, and potentiometer regulates support by affixed outside connecting sheet and flange shaft bearing.
As preferably, the central angle of the opening of C shape slotted eye is 40 degree.
As preferably, also comprise damping ring and damping adjusting screw; Damping ring is rubber ring or plastic ring, and rubber ring or plastic ring are located at the gap location of flange shaft bearing and coupling shaft and carry out the resistance that relatively rotates of regulating flange bearing support and coupling shaft by damping adjusting screw.
As preferably, also comprise damping grease and damping adjusting screw; Damping grease is the lubricated damping grease of high-low temperature resistant, and the lubricated damping grease of described high-low temperature resistant is located at the gap location of flange shaft bearing and coupling shaft, and carrys out the resistance that relatively rotates of regulating flange bearing support and coupling shaft by damping adjusting screw.
As preferably, thrust-bearing is needle roller thrust bearing.
The beneficial effects of the utility model are:
Compact structure, reasonable in design, realize the oversized angle rotary stopper that exceedes 360 ° in mechanical position limitation mode, and can feed back and learn angle of swing and current location by wide-angle potentiometer.Bearing capacity is large, and steadily, applied range, can realize super scope without dead angle and blind area rotary work in rotation.
Brief description of the drawings
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Fig. 1 is the plan view that the utility model surpasses 360 degree coaxial rotating limit stoper embodiments.
Fig. 2 is the plan view that the utility model surpasses 360 degree coaxial rotating limit stoper embodiments.
Fig. 3 is the worm's eye view that the utility model surpasses 360 degree coaxial rotating limit stoper embodiments.
Fig. 4 is the sectional view that the utility model surpasses 360 degree coaxial rotating limit stoper embodiments.
Fig. 5 is the slewing limit dish three-dimensional view that the utility model surpasses 360 degree coaxial rotating limit stoper embodiments.
Fig. 6 is the slewing limit dish plan view that the utility model surpasses 360 degree coaxial rotating limit stoper embodiments.
Fig. 7 is the slewing limit dish initial position schematic diagram that the utility model surpasses 360 degree coaxial rotating limit stoper embodiments.
Fig. 8 is the slewing limit dish neutral position schematic diagram that the utility model surpasses 360 degree coaxial rotating limit stoper embodiments.
Fig. 9 is the slewing limit dish final position schematic diagram that the utility model surpasses 360 degree coaxial rotating limit stoper embodiments.
In figure, 1-needle roller thrust bearing, 2-flange shaft bearing, 3-slewing limit dish, 301-C shape slotted eye, 4-damping adjusting screw, 5-damping ring, 6-upper limit nail, 7-lower limit nail, 8-coupling shaft, 9-compressing tablet, 10-potentiometer driver plate, 11-potentiometer regulates support, 12-potentiometer, a-C shape slotted eye head end, b-C shape slotted eye tail end.
Embodiment
Fig. 1, Fig. 2, Fig. 3 are a kind of for broadcast level The Cloud Terrace, can realize 680 ° of coaxial rotating limit stoper, regulate support 11 to form by needle roller thrust bearing 1, flange shaft bearing 2, slewing limit dish 3, coupling shaft 8, upper limit nail 6, lower limit nail 7, compressing tablet 9, potentiometer driver plate 10, wide-angle potentiometer 12 and potentiometer.
As shown in Figure 4, coupling shaft 8 is provided with the shaft shoulder, and slewing limit dish 3 and flange shaft bearing 2 are enclosed within on the shaft shoulder of coupling shaft 8 successively, and flange shaft bearing, slewing limit dish, coupling shaft coaxially arrange.Slewing limit dish 3 is positioned at the centre of flange shaft bearing 2 and coupling shaft 8, slewing limit dish top is connected with flange shaft bearing by needle roller thrust bearing 1,, slewing limit dish top is connected with coupling shaft by needle roller thrust bearing, and slewing limit dish 3 can freely rotate.
The head end that bottom is fixed in flange shaft bearing 2 and upper limit is followed closely of upper limit nail 6 down.The head end that bottom is fixed on coupling shaft 8 and lower limit is followed closely of lower limit nail 7 upward.
As shown in Figure 5, slewing limit dish 3 is ring-type, in the middle of ring, be provided with the C shape slotted eye 301 of perforation, the central shaft of C shape slotted eye is coaxial with slewing limit dish, and it is interior and can be along C shape slotted eye slip (Fig. 6) that the head end of upper limit nail 6 and the head end of lower limit nail 7 stretch into C shape slotted eye.
Coupling shaft 8 is connected with potentiometer driver plate 10 by compressing tablet 9, and potentiometer driver plate 10 is connected with the rotatingshaft of wide-angle potentiometer 12.The maximum angle of swing of the wide-angle potentiometer 12 that the present embodiment uses can reach 1080 degree.
Wide-angle potentiometer 12 is fixed on potentiometer and regulates on support 11, and potentiometer regulates support to be fixedly connected with the outside of flange shaft bearing by connecting rod, when flange shaft bearing is rotated, drives potentiometer to regulate support synchronously to rotate by connecting rod.
Also be provided with at the gap location at flange shaft bearing and coupling shaft damping ring 5 and the damping adjusting screw 4 made with polytetrafluoroethylmaterial material in addition.Damping ring 5 is located at the gap location of flange shaft bearing and coupling shaft, and the resistance that relatively rotates of regulating flange bearing support and coupling shaft is carried out at damping ring 5 back sides by damping adjusting screw 4.Damping ring is set and can produces certain damping, in rotation, effectively alleviate, make to rotate level and smooth, smooth starting and stopping, and reduction noise.
Above-mentioned damping ring also can replace with damping grease, and damping grease is the lubricated damping grease of high-low temperature resistant, acts on identical with damping ring.
The rotation process that the present embodiment exceedes 360 degree is as following three phases:
(1) as shown in Figure 7, upper limit ailhead end is positioned at the head end a of C shape slotted eye to the initial position of slewing limit dish, and lower limit ailhead end is positioned at the tail end b of C shape slotted eye.
(2) as shown in Figure 8, flange shaft bearing 2 drives upper limit nail to turn to tail end b along C shape slotted eye from head end a, and upper limit nail 6 is at this moment followed closely 7 positions with lower limit and overlapped at the tail end b place of C shape slotted eye, and slewing limit dish 3 does not rotate.
(3), in Fig. 9, upper limit nail 6 drives slewing limit dish 3 to be rotated further until stop operating behind the head end a place of lower limit nail 7 arrival C shape slotted eyes.
Because the central angle of the opening of C shape slotted eye is 40 °.Upper limit nail is with lower limit nail through secondary rotation, and it rotates total angle is 360 °+320 °=680 °.
The present embodiment working principle:
In the time that flange shaft bearing drives upper limit nail to rotate, it drives wide-angle potentiometer synchronously to rotate by connecting rod simultaneously, the resistance value difference of potentiometer in the time of different rotation angles, by picking up and calculate potentiometer resistance value and amplitude of variation, can know angle that flange shaft bearing turns over and current position.
Above-described the utility model mode of execution, does not form the restriction to the utility model protection domain.Any amendment of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in claim protection domain of the present utility model.
Claims (5)
1. surpass 360 degree coaxial rotating limit stoper, it is characterized in that: comprise that thrust-bearing, flange shaft bearing, slewing limit dish, coupling shaft, upper limit nail, lower limit nail, compressing tablet, potentiometer driver plate, wide-angle potentiometer and potentiometer regulate support;
Described coupling shaft is provided with the shaft shoulder, and described slewing limit dish and flange shaft bearing are enclosed within on the shaft shoulder of coupling shaft successively, and flange shaft bearing, slewing limit dish, coupling shaft coaxially arrange; Slewing limit dish is positioned at the centre of flange shaft bearing and coupling shaft, and slewing limit dish is respectively by thrust-bearing and flange shaft bearing with coupling shaft is connected and slewing limit dish rotates freely;
The head end that bottom is fixed in flange shaft bearing and upper limit is followed closely of described upper limit nail down; The head end that bottom is fixed on coupling shaft and lower limit is followed closely of described lower limit nail upward;
Described slewing limit dish is ring-type, is provided with the C shape slotted eye of perforation in the middle of ring, and the central shaft of described C shape slotted eye is coaxial with slewing limit dish, and the head end of the head end of upper limit nail and lower limit nail stretches in C shape slotted eye and slides along C shape slotted eye;
Upper limit ailhead end is positioned at the head end of C shape slotted eye, lower limit ailhead end is positioned at the tail end of C shape slotted eye, flange shaft bearing drives upper limit nail to turn to tail end along the head end of C shape slotted eye, and then upper limit nail drives slewing limit dish to be rotated further until lower limit stops operating after being pinned to the head end that reaches C shape slotted eye;
Described coupling shaft is connected with potentiometer driver plate by compressing tablet, and described potentiometer driver plate is connected with the rotatingshaft of wide-angle potentiometer;
Described wide-angle potentiometer is fixed on potentiometer and regulates on support, and described potentiometer regulates support by affixed outside connecting sheet and flange shaft bearing.
2. the 360 degree coaxial rotating limit stoper that surpass according to claim 1, is characterized in that: the central angle of the opening of described C shape slotted eye is 40 degree.
3. the 360 degree coaxial rotating limit stoper that surpass according to claim 1, is characterized in that: also comprise damping ring and damping adjusting screw; Described damping ring is rubber ring or plastic hoop, and described rubber ring or plastic ring are located at the gap location of flange shaft bearing and coupling shaft and carry out the resistance that relatively rotates of regulating flange bearing support and coupling shaft by damping adjusting screw.
4. the 360 degree coaxial rotating limit stoper that surpass according to claim 1, is characterized in that: also comprise damping grease and damping adjusting screw; Described damping grease is the lubricated damping grease of high-low temperature resistant, and the lubricated damping grease of described high-low temperature resistant is located at the gap location of flange shaft bearing and coupling shaft, and carrys out the resistance that relatively rotates of regulating flange bearing support and coupling shaft by damping adjusting screw.
5. the 360 degree coaxial rotating limit stoper that surpass according to claim 1, is characterized in that: described thrust-bearing is needle roller thrust bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420104471.2U CN203757306U (en) | 2014-03-07 | 2014-03-07 | Over-360-degree coaxial rotation limiting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420104471.2U CN203757306U (en) | 2014-03-07 | 2014-03-07 | Over-360-degree coaxial rotation limiting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203757306U true CN203757306U (en) | 2014-08-06 |
Family
ID=51252582
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420104471.2U Withdrawn - After Issue CN203757306U (en) | 2014-03-07 | 2014-03-07 | Over-360-degree coaxial rotation limiting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203757306U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103883852A (en) * | 2014-03-07 | 2014-06-25 | 安徽旭辰达电子科技有限公司 | Over-360-degree coaxial rotating limiting device |
| US20220226983A1 (en) * | 2016-02-10 | 2022-07-21 | Advanced Telecommunications Research Institute International | Externally-driven joint structure |
-
2014
- 2014-03-07 CN CN201420104471.2U patent/CN203757306U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103883852A (en) * | 2014-03-07 | 2014-06-25 | 安徽旭辰达电子科技有限公司 | Over-360-degree coaxial rotating limiting device |
| CN103883852B (en) * | 2014-03-07 | 2015-12-09 | 安徽旭辰达电子科技有限公司 | Surpass 360 degree of coaxial rotating limit stoper |
| US20220226983A1 (en) * | 2016-02-10 | 2022-07-21 | Advanced Telecommunications Research Institute International | Externally-driven joint structure |
| US11794336B2 (en) * | 2016-02-10 | 2023-10-24 | Advanced Telecommunications Research Institute International | Externally-driven joint structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140806 Effective date of abandoning: 20151209 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |