CN103176481B - A kind of rotary limit device - Google Patents
A kind of rotary limit device Download PDFInfo
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- CN103176481B CN103176481B CN201310060587.0A CN201310060587A CN103176481B CN 103176481 B CN103176481 B CN 103176481B CN 201310060587 A CN201310060587 A CN 201310060587A CN 103176481 B CN103176481 B CN 103176481B
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Abstract
The invention discloses a kind of rotary limit device, for limiting the anglec of rotation by driven by motor around the rotating shaft of an axis rotation, comprising the first plectrum, the second plectrum, the first touch-switch and fixed part.Fixed part is fixedly installed on motor and not with axis of rotation; First plectrum synchronously can rotate with rotating shaft, has the first rotation section being placed in rotating shaft and the first teat extended to form from the first rotation section; Second plectrum can be driven by the first teat and rotate around the axis, there is the second rotation section of twisted rotary shaft, extend to form from the second rotation section and by the clicking section of the first teat drive, and can extend to form from the second rotation section and the second teat of the first touch-switch can be pressed; First touch-switch is arranged at this fixed part, when the first touch-switch is pressed by the second teat, controls motor power-off, rotating shaft is stopped operating.The present invention, by arranging touch-switch, more safely can control the anglec of rotation of rotating shaft.
Description
Technical field
The present invention relates to stop means, particularly relating to a kind of rotary limit device of the anglec of rotation for limiting the rotating shaft rotated by driven by motor.
Background technology
Radio telescope is used to the basic equipment observed and study from the radio wave of celestial body.The high sensitivity requirement of radio telescope its build in the abnormal quiet area of wave environments, and select these locations to need special wave environments monitoring equipment, require to obtain detailed environmental data on 360 degree, require the directional antenna of high-gain and make its automatic rotation and control cables and radio-frequency cable can not be wound around, therefore, need the maximum anglec of rotation to be limited between 360 degree and 720 degree.The stop means of existing limiting rotation angle, sensitivity and security performance are difficult to satisfy the demand, if the operation failure of limiting rotation angle, the often easy damage causing radio-frequency cable, control cables, power lead etc. because cable is wound around, even forgets about it the mast of erection test antenna.
Summary of the invention
The invention provides a kind of rotary limit device, with safety, delicately limiting rotation angle.For achieving the above object, the present invention adopts following technical scheme:
A kind of rotary limit device disclosed by the invention, for limiting the anglec of rotation by driven by motor around the rotating shaft of an axis rotation, this device comprises: the first plectrum, the second plectrum, the first touch-switch and fixed part.
This fixed part is fixedly installed on motor and not with this axis of rotation; This first plectrum synchronously can rotate with this rotating shaft, has the first rotation section being placed in this rotating shaft and the first teat extended to form from this first rotation section; This second plectrum can by the drive of this first teat around this axis of rotation, there is the second rotation section around this rotating shaft, extend to form from this second rotation section and by the clicking section of this first teat drive, and can extend to form from this second rotation section and the second teat of this first touch-switch can be pressed; This first touch-switch is arranged at this fixed part, when this first touch-switch is pressed by this second teat, controls this motor power-off, this rotating shaft is stopped operating.
Wherein, this device comprises resetting means further; This resetting means, is connected to this second rotation section and this fixed part, for when this second rotation section by this first plectrum drive rotate and motor power-off time, control this second rotation section reset.
Wherein, this second teat, formed away from the radial direction of this rotating shaft extends from this second rotation section, the distance between this first touch-switch and axis is less than the distance between the second teat outward flange and axis, is greater than the distance between the outward flange of this first plectrum and axis.
Wherein, this device comprises second touch-switch further.This second touch-switch is arranged at this fixed part, this the second teat both sides are arranged at intervals with this first touch-switch, distance between this second touch-switch and axis, be less than the distance between the second teat outward flange and axis, be greater than the distance between the outward flange of this first plectrum and axis; When this second touch-switch is pressed by this second teat, control this motor power-off, this rotating shaft is stopped operating.
Wherein, this device comprises the first relay and the second relay further.This first relay is electrically connected on this first touch-switch, and the first touch-switch controls the first relay; This second relay is electrically connected on this second touch-switch, and the second touch-switch controls the second relay; This first relay is connected with the normally closed terminal series-shunt of this second relay, and supplies with power supply and connect, for the servo circuit of this motor is powered.
Wherein, this device comprises the first photoelectric tube and the second photoelectric tube further.This first photoelectric tube, is arranged between this second teat and this first touch-switch, comprises the first optical transmitting set and the first optical receiver that the axially spaced-apart along this rotating shaft arranges; This second photoelectric tube, is arranged between this second teat and this second touch-switch, comprises the second optical transmitting set and the second optical receiver that the axially spaced-apart along this rotating shaft arranges; This first optical transmitting set and the distance between the first optical receiver and axis, be less than the distance between the second teat outward flange and axis, be greater than the distance between the outward flange of this first plectrum and axis; This second optical transmitting set and the distance between the second optical receiver and axis, be less than the distance between the second teat outward flange and axis, be greater than the distance between the outward flange of this first plectrum and axis.
Wherein, this device also comprises the controller that is electrically connected on this motor.This first optical transmitting set and this second optical transmitting set are infrared transmitter; This first optical receiver and this second optical receiver are infrared receiver, and are electrically connected on this controller; When this second teat between this first optical transmitting set and first optical receiver or this second teat between this second optical transmitting set and second optical receiver time, this controller send order control this motor stalls.
Wherein, this resetting means is the spring being connected to this second rotation section and this fixed part, and the tie point of this resetting means and this second rotation section and this second teat are relative to axisymmetrical.
Wherein, this first rotation section is the annulus being placed in this rotating shaft, and this first teat is the projection formed to extension away from this rotating shaft leading thread from this first rotation section; This second rotation section is be placed on this rotating shaft annulus with being parallel to this first rotation section, and this clicking section is from this second rotation section, along the prominent bar that the axis of this rotating shaft is outstanding.
Wherein, this rotating shaft comprises the cylindrical body of rod centered by this axis, and is given prominence to the protruding key formed by the sidewall of the cylindrical body of rod; This first rotation section is the annulus being placed in this rotating shaft, have the hole clipping with the perforation of the dimensional fits in the cross section of the cylindrical body of rod and the dimensional fits with the cross section of protruding key, this first teat is the projection formed to extension away from this rotating shaft leading thread from this first rotation section; This second rotation section is be placed on this rotating shaft annulus with being parallel to this first rotation section, there is the perforation with the dimensional fits in the cross section of the cylindrical body of rod, and the radius of the second rotation section, be greater than the radius of this first rotation section and be greater than the ultimate range of this first teat and this rotating shaft; This clicking section is the prominent bar outstanding along this axis direction from this second rotation section, can be driven by this first teat; This first teat, between this clicking section and this first touch-switch; The sidewall of annular that this fixed part comprises circular chassis and extends to form along rotor shaft direction from chassis edge, this chassis has the perforation with the dimensional fits in the cross section of the cylindrical body of rod; This first relay, this second relay, this first optical transmitting set and this second optical transmitting set are fixedly installed on this fixed part; This resetting means is the spring of the sidewall being connected to this second rotation section and this fixed part, and tie point and this second teat of this resetting means and this second rotation section are symmetrical relative to rotating shaft.
The beneficial effect of the embodiment of the present invention is: by the cooperation of the first touch-switch and the second teat, limiting rotating angle very safely, and by the cooperation of the first teat and clicking section, limiting rotation angle.
Accompanying drawing explanation
The stereographic map of a kind of rotary limit device that Fig. 1 provides for present pre-ferred embodiments;
The cut-open view of a kind of rotary limit device that Fig. 2 provides for present pre-ferred embodiments.
Embodiment
For making the object, technical solutions and advantages of the present invention clearly, below in conjunction with accompanying drawing, embodiment of the present invention is described in further detail.
The stereographic map of a kind of rotary limit device that Fig. 1 provides for present pre-ferred embodiments.The cut-open view of a kind of rotary limit device that Fig. 2 provides for present pre-ferred embodiments.Rotary limit device of the present invention to be driven by motor (not shown) and the anglec of rotation of rotating shaft 90 that rotates around an axis L for limiting, comprise the first plectrum 1, second plectrum 2, first touch-switch 3 and fixed part 8, and the second touch-switch 4, first photoelectric tube 5, second photoelectric tube 6 and resetting means 7.
Wherein, this fixed part 8 is fixedly installed on motor and does not rotate with this rotating shaft 90, plays the effect fixing the first touch-switch 3, second touch-switch 4, first photoelectric tube 5, second photoelectric tube 6 and resetting means 7 simultaneously.
First plectrum 1 synchronously can rotate with rotating shaft 90, has the first rotation section 11 being placed in this rotating shaft 90 and the first teat 12 extended to form from this first rotation section 11.Second plectrum 2 can be driven by this first teat 12 and rotate around this rotating shaft 90, there is the second rotation section 21 around this rotating shaft 90, extend to form from this second rotation section 21 and the clicking section 22 that can be driven by this first teat 12, and extend to form from this second rotation section 21 and the second teat 23 of this first touch-switch 3 can be pressed.This first touch-switch 3 is arranged at this fixed part 8, when this first touch-switch 3 is pressed by this second teat 23, can control this motor power-off, and this rotating shaft 90 is stopped operating.
More specifically, the rotating shaft 90 among the present embodiment comprises the cylindrical body of rod 91 centered by this axis L, and is given prominence to the protruding key 92 formed by the sidewall of the cylindrical body of rod 91.This first rotation section 11, for being placed in the annulus of this rotating shaft 90, has and the perforation 111 of the dimensional fits in the cross section of the cylindrical body of rod 91 and the hole clipping 112 with the dimensional fits in the cross section of protruding key.The present embodiment is matched by hole clipping 112 and protruding key 92 and first plectrum 1 synchronously can be rotated with rotating shaft 90.
Second rotation section 21 is placed on the annulus of this rotating shaft 90 for being parallel to this ground, the first rotation section 11, have the perforation with the dimensional fits in the cross section of the cylindrical body of rod 91, and the second plectrum 2 can 90 be rotated around the shaft.And the radius of the second rotation section 21, be greater than the radius of this first rotation section 11 and be greater than this first teat 12 and the ultimate range of this axis L, the first teat can be avoided to touch the first touch-switch 3.
First teat 12 of the present embodiment is away from the projection that this rotating shaft 90 leading thread is formed to extension from this first rotation section 11.Clicking section 22 is the prominent bar outstanding along this axis direction from this second rotation section 21, compared with this first teat 12, the distance of distance axis L is roughly the same, and can be driven by this first teat 12, it will be understood by a person skilled in the art that, the specific implementation of the first teat 12 and clicking section 22 is not limited with disclosing of the present embodiment, as long as clicking section 22 can be driven by the first teat 12.Such as, the first teat 12 also can be the projection extending to the second plectrum 2 along the direction of this rotating shaft 90 from the first rotation section 11 and formed.In addition, if stop means of the present invention, need adjustment limit the maximum anglec of rotation of rotating shaft, such as need to enable the maximum anglec of rotation be adjusted to 390 degree or 370 degree by 380 degree, then clicking section 22 can be set to screw rod, now, the second rotation section 21 can along the direction around axis L, and several screw that can coordinate with clicking section 22 screw lock is preset in compartment of terrain.Angle Selection screw that user can rotate according to restriction, is fixed on this second rotation section 21 by being spirally connected by clicking section 22.Therefore, by arranging several screw, can be used for user to adjust the maximum anglec of rotation.This first teat 12 of the present embodiment, between this clicking section 22 and this first touch-switch 3, clicking section 22 and the second teat 23 are just right on circumferential angle, when motor is set to one-directional rotation, this clicking section 22, this first teat 12 arrange along rotation direction successively with this first touch-switch 3, thus corner size are controlled between 360 degree to 720 degree.
The sidewall 82 of annular that this fixed part 8 comprises circular chassis 81 and extends to form along the direction of rotating shaft 90 from the edge on chassis 81, this chassis 81 has the perforation with the dimensional fits in the cross section of the cylindrical body of rod 91.
Among the present embodiment, resetting means 7 is connected to this second rotation section 21 and this fixed part 8, for when this second rotation section 21 by this first plectrum 1 drive rotate and motor power-off time, control this second rotation section 21 and reset.Because when the second rotation section 21 is driven rotation and the first touch-switch 3 to be pressed by the second teat 23 by the first plectrum 1, this motor power-off can be controlled, makes this rotating shaft 90 stop operating.Therefore, by arranging resetting means 7, when can make motor power-off, make the second plectrum 2 be returned to initial position, this device mediates reset mode.
More specifically, the resetting means 7 among the present embodiment for being connected to the spring of this second rotation section 21 and the sidewall 82 of this fixed part 8, and the tie point of resetting means 7 and this second rotation section 21 and this second teat 23 symmetrical relative to rotating shaft 90.Certainly, the spring among the present embodiment is extension spring.
The second teat 23 among the present embodiment, formed to extension away from this rotating shaft 90 leading thread from this second rotation section 21, distance between this first touch-switch 3 and axis L is less than the distance between the outward flange of the second teat 23 and axis L, be greater than the distance between the outward flange of this first plectrum 1 and axis L, 3 meetings of the first touch-switch can be made to be touched by the second teat 23 and can not touch by standby first plectrum 1.
Preferably, the device of the present embodiment comprises second touch-switch 4 further.Second touch-switch 4 is arranged at fixed part 8, the both sides of the second teat 23 are arranged at intervals with the first touch-switch 3, similar with the first touch-switch 3, distance between second touch-switch 4 and axis L, be less than the distance between the outward flange of the second teat 23 and axis L, be greater than the distance between the outward flange of this first plectrum 1 and axis L; When second touch-switch 4 is pressed by the second teat 23, control motor power-off, rotating shaft 90 is stopped operating.By arranging the second touch-switch 4, can when motor Double-directional rotary, can control the angle of axis of rotation equally in both rotational directions, concrete maximal angle value can be controlled by the anglec of rotation difference between the first teat 12 and clicking section 22 and the anglec of rotation difference between the second teat 23 and the first touch-switch 3, second touch-switch 4.
In addition, rotary limit device comprises the first relay 31 and the second relay 41.Wherein, the first relay 31 is electrically connected on the first touch-switch 3, first touch-switch 3 and controls the first relay 31; Second relay 41 is electrically connected on the second touch-switch 4, second touch-switch 4 and controls the second relay 41; First relay 31 is connected with the normally closed terminal series-shunt of the second relay 41, and supplies with power supply and connect, for the servo circuit of motor is powered.Therefore, as long as the terminal of a relay becomes often open, then feed circuit disconnect, and cut off to the power supply of motor servo circuit.
First photoelectric tube 5 is arranged between this second teat 23 and this first touch-switch 3, comprises along spaced first optical transmitting set in axis L direction and the first optical receiver.First optical transmitting set and the distance between the first optical receiver and axis L, be less than the distance between the edge of the second teat outer 23 and axis L, be greater than the distance between the outward flange of the first plectrum 1 and axis L.
Second photoelectric tube 6 is arranged between this second teat 23 and this second touch-switch 4, comprises along spaced second optical transmitting set of this axis direction and the second optical receiver.Second optical transmitting set and the distance between the second optical receiver and axis L, be less than the distance between the second teat 23 outward flange and axis L, be greater than the distance between the outward flange of this first plectrum 1 and axis L.
First relay 31, second relay 41, first photoelectric tube 5 and the second photoelectric tube 6 are fixedly installed on fixed part 8.If with the second teat 23 for benchmark, be then in the outside of two infrared tubes a bit, symmetrical installation two touch-switchs, in the outside of touch-switch a bit, symmetry installs two relays.
Device among this enforcement also comprises the controller that is electrically connected on this motor.First optical transmitting set and the second optical transmitting set are infrared transmitter, and the first optical receiver and the second optical receiver are infrared receiver, and are electrically connected on this controller.When the second teat 23 between the first optical transmitting set and the first optical receiver or the second teat 23 between the second optical transmitting set and the second optical receiver time, this controller send order control this motor stalls.Specifically, when the second teat 23 not between the first optical transmitting set and the first optical receiver also not between the second optical transmitting set and the second optical receiver time, the first optical receiver and the second optical receiver can receiving infrared-rays; When the second teat 23 is between the first optical transmitting set and the first optical receiver, the first optical receiver can not receiving infrared-ray; When the second teat 23 is between the second optical transmitting set and the second optical receiver, the second optical receiver can not receiving infrared-ray.When the first optical receiver or the second optical receiver can not receiving infrared-ray time, represent that the second teat 23 is between the first optical transmitting set and the first optical receiver or between the second optical transmitting set and the second optical receiver, now control motor stalls, equally can limiting rotation angle.Further, during motor single direction rotation, rotary limit device of the present invention, limit the anglec of rotation of the first plectrum thus the anglec of rotation of restriction rotating shaft by the anglec of rotation difference between the first teat 12 and clicking section 22 and the difference of the anglec of rotation between the second teat 23 and the first touch-switch 3, namely along the forward that rotating shaft 90 is rotated, anglec of rotation difference between first teat 12 and clicking section 22 and the anglec of rotation difference sum between the second teat 23 and the first touch-switch 3, be the angle of the maximum possible that rotating shaft rotates forward, can be set to be greater than 360 degree and be less than 720 degree, equally, during motor bidirectional rotation, be then limit the anglec of rotation of the first plectrum thus the anglec of rotation of restriction rotating shaft by the anglec of rotation difference between the first teat 12 and clicking section 22 and the difference of the anglec of rotation between the second teat 23 and the first touch-switch 3, second touch-switch 4.By arranging touch-switch and infrared tube simultaneously, provide twice electronic limit, improve stability and the reliability of application of installation.
Below illustrate flow process when rotary limit device of the present invention being applied to antenna rotating platform.
Composition graphs 1, Fig. 2 are known, and when antenna rotating platform turns clockwise, the first plectrum holding, on protruding key, will turn clockwise along with rotating shaft, after rotating about one circle (about 360 degree) from initial position;
Further, the first teat of the first plectrum will encounter the prominent bar on the second plectrum;
Further, the first plectrum drives the second plectrum to rotate together;
Further, motor still rotates, and the second teat of the second plectrum is driven together with the second plectrum and rotates;
Further, motor still rotates, and during opening by the first photoelectric tube, the light that in the first photoelectric tube, the first optical transmitting set is launched is blocked, and the first optical receiver receiving end can not receive utilizing emitted light and causes state to change;
Further, the signal that the first optical receiver state changes is sent to controller;
Further, controller sends to order and stops motor movement by servo circuit;
Further, if the first optical receiver is inoperative, motor still rotates, when the second teat of the second plectrum crosses the reach of the first photoelectric tube, and motor still rotates, can not stop, the second teat of the second plectrum will encounter the first touch-switch;
Further, the first touch-switch will close, and the first touch-switch controls the first relay;
Further, first relay is after the closure signal receiving the first touch-switch, connection due to two relays is connected by the normally closed terminal series-shunt of two relays, and power with the servo circuit that this connected mode is motor, after the first relay terminal becomes and often opens, these feed circuit will disconnect, and cut off to the power supply of motor servo circuit.
When antenna rotating platform is rotated counterclockwise, the first plectrum holding, on protruding key, will be rotated counterclockwise along with rotating shaft, after rotate some angles (about several years) from initial position;
Further, the first teat of the first plectrum will encounter the prominent bar on the second plectrum;
Further, the first plectrum drives the second plectrum to rotate together;
Further, motor still rotates, and the second teat of the second plectrum is driven together with the second plectrum and rotates;
Further, motor still rotates, and during opening by the second photoelectric tube, the light that in the second photoelectric tube, the second optical transmitting set is launched is blocked, and the second optical receiver receiving end can not receive utilizing emitted light and causes state to change;
Further, the signal that the second optical receiver state changes is sent to controller;
Further, controller sends to order and stops motor movement by servo circuit;
Further, if the second optical receiver is inoperative, motor still rotates, when the second teat of the second plectrum crosses the reach of the second photoelectric tube, and motor still rotates, can not stop, the second teat of the second plectrum will encounter the second touch-switch;
Further, the second touch-switch will close, and the second touch-switch controls the second relay;
Further, second relay is after the closure signal receiving the second touch-switch, connection due to two relays is connected by the normally closed terminal series-shunt of two relays, and power with the servo circuit that this connected mode is motor, after the second relay terminal becomes and often opens, these feed circuit will disconnect, and cut off to the power supply of motor servo circuit.
To sum up, after forward (clockwise) anglec of rotation of turntable is greater than 360 degree, then stop through the rotation of certain angle motor, to avoid the cable winding be connected on antenna.
Embodiments of the invention have following advantage:
(1) the second plectrum is driven to rotate by the first plectrum, second teat of the second plectrum presses described touch-switch, control motor stalls, the maximum rotation angle of rotating shaft can be controlled safely, can not cause being connected to the radio-frequency cable of rear end equipment by antenna and control cables is wound around;
(2) second plectrums only can rotate within the specific limits, and when not being subject to External Force Acting, can be resetted by resetting means, make the second teat be positioned at intermediate reset state;
(3) by arranging touch-switch and photoelectric tube, provide twice angle limit, stability and the reliability of application of installation are high
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; the change that can expect easily or replacement, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of claim.
Claims (8)
1. a rotary limit device, is characterized in that, this device is for limiting the anglec of rotation by driven by motor around the rotating shaft of an axis rotation, and this device comprises: the first plectrum, the second plectrum, the first touch-switch and fixed part;
This fixed part is fixedly installed on motor and not with this axis of rotation;
This first plectrum synchronously can rotate with this rotating shaft, has the first rotation section being placed in this rotating shaft and the first teat extended to form from this first rotation section;
This second plectrum can by the drive of this first teat around this axis of rotation, there is the second rotation section around this rotating shaft, extend to form from this second rotation section and by the clicking section of this first teat drive, and can extend to form from this second rotation section and the second teat of this first touch-switch can be pressed;
This first touch-switch is arranged at this fixed part, when this first touch-switch is pressed by this second teat, controls this motor power-off, this rotating shaft is stopped operating;
This device comprises resetting means further;
This resetting means, is connected to this second rotation section and this fixed part, for when this second rotation section by this first plectrum drive rotate and motor power-off time, control this second rotation section reset;
This second teat, formed to extension away from this rotating shaft leading thread from this second rotation section, distance between this first touch-switch and axis is less than the distance between the second teat outward flange and axis, is greater than the distance between the outward flange of this first plectrum and axis.
2. device according to claim 1, is characterized in that, this device comprises second touch-switch further,
This second touch-switch is arranged at this fixed part, this the second teat both sides are arranged at intervals with this first touch-switch, distance between this second touch-switch and axis, be less than the distance between the second teat outward flange and axis, be greater than the distance between the outward flange of this first plectrum and axis; When this second touch-switch is pressed by this second teat, control this motor power-off, this rotating shaft is stopped operating.
3. device according to claim 2, is characterized in that, this device comprises the first relay and the second relay further;
This first relay is electrically connected on this first touch-switch, and the first touch-switch controls the first relay; This second relay is electrically connected on this second touch-switch, and the second touch-switch controls the second relay; This first relay is connected with the normally closed terminal series-shunt of this second relay, and supplies with power supply and connect, for the servo circuit of this motor is powered.
4. device according to claim 3, is characterized in that, this device comprises the first photoelectric tube and the second photoelectric tube further;
This first photoelectric tube, is arranged between this second teat and this first touch-switch, comprises along spaced first optical transmitting set of this axis direction and the first optical receiver;
This second photoelectric tube, is arranged between this second teat and this second touch-switch, comprises along spaced second optical transmitting set of this axis direction and the second optical receiver;
This first optical transmitting set and the distance between the first optical receiver and axis, be less than the distance between the second teat outward flange and axis, be greater than the distance between the outward flange of this first plectrum and axis; This second optical transmitting set and the distance between the second optical receiver and axis, be less than the distance between the second teat outward flange and axis, be greater than the distance between the outward flange of this first plectrum and axis.
5. device according to claim 4, is characterized in that, this device also comprises the controller that is electrically connected on this motor;
This first optical transmitting set and this second optical transmitting set are infrared transmitter;
This first optical receiver and this second optical receiver are infrared receiver, and are electrically connected on this controller;
When this second teat between this first optical transmitting set and first optical receiver or this second teat between this second optical transmitting set and second optical receiver time, this controller send order control this motor stalls.
6. the device according to the arbitrary claim of claim 1 to 5, is characterized in that,
This resetting means is the spring being connected to this second rotation section and this fixed part, and the tie point of this resetting means and this second rotation section and this second teat are relative to axisymmetrical.
7. the device according to the arbitrary claim of claim 1 to 5, is characterized in that,
This first rotation section is the annulus being placed in this rotating shaft, and this first teat is the projection formed to extension away from this rotating shaft leading thread from this first rotation section;
This second rotation section is be placed on this rotating shaft annulus with being parallel to this first rotation section, and this clicking section is from this second rotation section, along the prominent bar that this axis direction is outstanding.
8. device according to claim 5, is characterized in that,
This rotating shaft comprises the cylindrical body of rod centered by this axis, and is given prominence to the protruding key formed by the sidewall of the cylindrical body of rod;
This first rotation section is the annulus being placed in this rotating shaft, have the hole clipping with the perforation of the dimensional fits in the cross section of the cylindrical body of rod and the dimensional fits with the cross section of protruding key, this first teat is the projection formed to extension away from this rotating shaft leading thread from this first rotation section;
This second rotation section is be placed on this rotating shaft annulus with being parallel to this first rotation section, there is the perforation with the dimensional fits in the cross section of the cylindrical body of rod, and the radius of the second rotation section, be greater than the radius of this first rotation section and be greater than the ultimate range of this first teat and this axis; This clicking section is the prominent bar outstanding along this axis direction from this second rotation section, can be driven by this first teat; This first teat, between this clicking section and this first touch-switch;
The sidewall of annular that this fixed part comprises circular chassis and extends to form along rotor shaft direction from chassis edge, this chassis has the perforation with the dimensional fits in the cross section of the cylindrical body of rod;
This first relay, this second relay, this first photoelectric tube and this second photoelectric tube are fixedly installed on this fixed part;
This resetting means is the spring of the sidewall being connected to this second rotation section and this fixed part, and tie point and this second teat of this resetting means and this second rotation section are symmetrical relative to rotating shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310060587.0A CN103176481B (en) | 2013-02-26 | 2013-02-26 | A kind of rotary limit device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310060587.0A CN103176481B (en) | 2013-02-26 | 2013-02-26 | A kind of rotary limit device |
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| CN103176481A CN103176481A (en) | 2013-06-26 |
| CN103176481B true CN103176481B (en) | 2016-02-24 |
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| CN201310060587.0A Active CN103176481B (en) | 2013-02-26 | 2013-02-26 | A kind of rotary limit device |
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Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104427802B (en) * | 2013-08-29 | 2017-08-08 | 国基电子（上海）有限公司 | Electronic equipment |
| CN104566235A (en) * | 2013-10-25 | 2015-04-29 | 深圳市海洋王照明工程有限公司 | Head-swinging mechanism and lamp using head-swinging mechanism |
| CN103744350A (en) * | 2013-12-20 | 2014-04-23 | 河北汉光重工有限责任公司 | Angle reset device of photoelectric switch rotary table |
| WO2016004568A1 (en) * | 2014-07-07 | 2016-01-14 | 深圳市大疆创新科技有限公司 | Limiting device and aircraft using same |
| CN104393410B (en) * | 2014-11-24 | 2017-09-19 | 中国科学院国家天文台 | A kind of telescope for being provided with rotating disk hunting gear |
| CN104503534B (en) * | 2014-12-08 | 2016-08-17 | 河北汉光重工有限责任公司 | Circular motion stopping means |
| GB2539724A (en) * | 2015-06-25 | 2016-12-28 | Airspan Networks Inc | A rotable antenna apparatus |
| CN106217367B (en) * | 2016-08-30 | 2018-10-02 | 艾狄工业设计（深圳）有限公司 | A kind of robot steering precise positioning mechanism |
| CN108120463B (en) * | 2016-11-30 | 2020-04-10 | 北京航天计量测试技术研究所 | Limiting mechanism |
| CN109307979A (en) * | 2017-07-28 | 2019-02-05 | 中国科学院长春光学精密机械与物理研究所 | A kind of curtain seam focal plane shutter and breadth signal detection mechanism |
| CN107917762A (en) * | 2017-12-15 | 2018-04-17 | 广州飒特红外股份有限公司 | Thermal infrared imager and its menu selecting method |
| CN109872373A (en) * | 2019-03-27 | 2019-06-11 | 武汉工程大学 | A kind of adjustable rotary platform for binocular vision calibration plate |
| CN112833289A (en) * | 2021-01-07 | 2021-05-25 | 深圳市中图仪器股份有限公司 | Laser tracking measurement rotation limiting mechanism |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201207143Y (en) * | 2008-05-22 | 2009-03-11 | 中国船舶重工集团公司第七一七研究所 | Large scope angle position limiting device |
| CN201233519Y (en) * | 2008-08-04 | 2009-05-06 | 谭启仁 | Tourism cable car emergency door stairs control apparatus with interlocking function |
| CN101469805A (en) * | 2007-12-29 | 2009-07-01 | 展祥科技(惠州)有限公司 | Flat television bracket |
| CN102102996A (en) * | 2010-12-16 | 2011-06-22 | 重庆易控科技有限责任公司 | Over-360-degree-angle limit sensor device |
| CN203178811U (en) * | 2013-02-26 | 2013-09-04 | 李建斌 | Rotation limit device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5307574B2 (en) * | 2009-02-20 | 2013-10-02 | 日本無線株式会社 | Rotating body device |
| DE102009024292B4 (en) * | 2009-06-05 | 2014-10-09 | Autoliv Development Ab | Belt retractor for a safety belt of a motor vehicle |
-
2013
- 2013-02-26 CN CN201310060587.0A patent/CN103176481B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101469805A (en) * | 2007-12-29 | 2009-07-01 | 展祥科技(惠州)有限公司 | Flat television bracket |
| CN201207143Y (en) * | 2008-05-22 | 2009-03-11 | 中国船舶重工集团公司第七一七研究所 | Large scope angle position limiting device |
| CN201233519Y (en) * | 2008-08-04 | 2009-05-06 | 谭启仁 | Tourism cable car emergency door stairs control apparatus with interlocking function |
| CN102102996A (en) * | 2010-12-16 | 2011-06-22 | 重庆易控科技有限责任公司 | Over-360-degree-angle limit sensor device |
| CN203178811U (en) * | 2013-02-26 | 2013-09-04 | 李建斌 | Rotation limit device |
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