CN115129109B - Electromechanical limiting mechanism of large-angle rotating body - Google Patents
Electromechanical limiting mechanism of large-angle rotating body Download PDFInfo
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- CN115129109B CN115129109B CN202210687759.6A CN202210687759A CN115129109B CN 115129109 B CN115129109 B CN 115129109B CN 202210687759 A CN202210687759 A CN 202210687759A CN 115129109 B CN115129109 B CN 115129109B
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- guide
- groove
- hall element
- spiral
- guide plate
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
- G05G5/00—Means for preventing, limiting or returning the movements of parts of a control mechanism, e.g. locking controlling member
- G05G5/02—Means preventing undesired movements of a controlling member which can be moved in two or more separate steps or ways, e.g. restricting to a stepwise movement or to a particular sequence of movements
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
Abstract
The invention discloses an electromechanical limiting mechanism of a large-angle rotating body, which comprises a spiral groove guide plate, a first supporting body for installing the rotating body, a second supporting body for installing the rotating body and a guide pin piece, wherein the spiral groove guide plate comprises a circular guide plate main body, and a spiral guide groove is arranged on the guide plate main body and is larger than 360 degrees; the first bearing body is connected to one side of the spiral groove guide plate, and is connected with a first Hall element close to the starting end of the guide groove and a second Hall element close to the tail end of the guide groove, and the first Hall element and the second Hall element are used for controlling the rotating body to stop rotating; the second supporting body is connected to the other side of the spiral groove guide plate, and a slidable guide pin piece is connected to the second supporting body; the guide pin piece is in sliding connection with the spiral guide groove, and the tail end of the guide pin piece is provided with magnetic steel for controlling the first Hall element and the second Hall element to work. The large-angle limiting device effectively achieves large-angle limiting of the rotating body exceeding 360 degrees.
Description
Technical Field
The invention relates to the technical field of photoelectric instruments, in particular to an electromechanical limiting mechanism of a large-angle rotating body.
Background
In the design of optoelectronic instruments, n×360 ° multi-turn rotary turrets are often encountered, where no limit issues are involved. Due to special requirements, rotation angles of more than one revolution are required, for example from-200 ° to +200°, i.e.: one-way +400° corner, special limit mechanisms must be designed to achieve mechanical and electrical limit.
In the prior art, the rotation angle applied in products developed by the national academy of sciences of China, vinca optical precision machinery and physical research institute is smaller than one circle of electromechanical limiting mechanism. The electromechanical limiting mechanism is generally applied between two rotating bodies which rotate relatively, and is used for controlling the rotation angle between the two rotating bodies. The limiting mechanism has the main problem that only the rotation of the rotation angle within 360 degrees can be controlled, and the rotation angle larger than 360 degrees can not be controlled.
Another design of the China academy of sciences of China is Changchun optical precision machinery and physical institute: an electromechanical limit mechanism of a +/-200-degree rotary swivel, application number 201010224097.6, comprises a first Hall element and a second Hall element which are electrically limited, a fixed mechanical limit block, a movable ring, a rotary ring, a first magnetic block, a second magnetic block, a compression ring, a control nail and a control nail lock nut; the electromechanical limiting mechanism is arranged between two opposite rotating bodies, the movable ring, the pressing ring and the rotating ring are arranged on the working surface at the upper part of the external rotating body, the fixed mechanical limiting block, the first Hall element electric limiting block, the second Hall element electric limiting block, the control nail and the control nail locking nut are arranged and fixed on the working surface at the bottom surface of the supporting body, and when the electromechanical limiting mechanism is used, the 0 position of the rotating body is overlapped with the 0 position of the supporting body. The large-angle limiting rotation exceeding 360 degrees between the two rotating bodies is realized, and the electric limiting of +/-200 degrees is realized. The design structure is complex and is only suitable for the situation that the rotation angle is far smaller than two weeks, and if the rotation angle is required to be larger than two weeks, the structure is not suitable for use.
Disclosure of Invention
The invention aims to provide an electromechanical limiting mechanism of a large-angle rotating body, which aims to solve the problems that in the prior art, a rotating limiting structure exceeding 360 degrees is complex and difficult to realize.
In order to achieve the above purpose, the invention is realized by adopting the following technical scheme:
an electromechanical spacing mechanism for a high angle rotator, comprising:
the spiral groove guide plate comprises a circular guide plate main body, wherein a spiral guide groove is arranged on the guide plate main body and is provided with a guide groove starting end and a guide groove tail end, and the angle between the guide groove starting end and the guide groove tail end is larger than 360 degrees;
the first bearing body is used for mounting the rotating body and is connected to one side of the spiral groove guide plate, a first Hall element close to the starting end of the guide groove and a second Hall element close to the tail end of the guide groove are connected to the first bearing body, and the first Hall element and the second Hall element are used for controlling the rotating body to stop rotating;
the second supporting body is used for installing the rotating body and is connected to the other side of the spiral groove guide plate, and a slidable guide pin piece is connected to the second supporting body;
the guide pin piece is in sliding connection with the spiral guide groove, and magnetic steel used for controlling the first Hall element and the second Hall element to work is arranged at the tail end of the guide pin piece.
Further, the device also comprises a circular radial guide plate, wherein the radial guide plate is arranged between the second carrier and the spiral groove guide plate and is connected with the second carrier;
the radial guide plate is provided with a radial guide groove, and the top end of the guide pin member is slidably connected in the radial guide groove.
In this application, through the design of radial guide slot, the effectual control to the guide pin spare that has realized that the guide pin spare can slide in being greater than 360 spiral guide slot.
Further, the radial guide plate is connected with the second bearing body through bolts or screws.
Further, the radial guide plate is provided with a lightening hole.
Further, the spiral groove guide plate, the radial guide plate, the first bearing body and the second bearing body are coaxially arranged.
Further, the guide pin member includes a guide pin and a stopper pin coaxially disposed, the guide pin and the radial guide groove are slidably connected, and the stopper pin and the spiral guide groove are slidably connected.
Further, a coaxial convex ring is further arranged between the guide pin and the stop pin, and the diameter of the convex ring is larger than the width of the spiral guide groove.
Further, the angle between the guide groove start end and the guide groove end is: and the rotation angle to be turned of the rotating body is +2A, wherein A is a limit reserved angle.
Further, the first hall element is disposed at a front end of the start end of the guide groove, and the second hall element is disposed at a front end of the guide groove.
In this application front end refers to the direction towards spiral guide slot center, and this kind of design can realize the control to the rotator when guide pin spare and first hall element or second hall element contact, and when the spacing inefficacy of electricity, guide pin spare can directly touch guide slot starting end or guide slot terminal messenger rotator stop rotating, has guaranteed the control effect to the rotator.
Further, the first supporting body is connected with the screw groove guide plate through bolts or screws.
According to the technical scheme, the embodiment of the invention has at least the following effects:
1. the spiral guide groove is larger than one circle, the guide pin piece is connected in a sliding mode in the spiral guide groove, the guide pin piece is connected with the second supporting body in a sliding mode, the guide pin piece can be driven to rotate when the second supporting body rotates, the rotating angle of the guide pin piece is larger than 360 degrees due to the fact that the guide pin piece is connected with the guide pin piece in a sliding mode, and when the guide pin piece is contacted with the first Hall element close to the starting end of the guide groove or the second Hall element close to the tail end of the guide groove, the rotating body is controlled to stop rotating, and large-angle limiting of the rotating body exceeding 360 degrees is effectively achieved;
2. according to the large-angle rotating limiting device, the spiral guide groove and the sliding guide pin piece which are arranged on the periphery of the spiral groove guide plate are used for limiting large-angle rotation exceeding 360 degrees between the two rotating bodies; the Hall element electric limit and the magnetic steel arranged at the end part of the stop pin are respectively arranged near the two ends of the spiral groove guide slot to realize large-angle rotation electric limit control exceeding 360 degrees between the two rotating bodies, and the spiral groove guide slot electric limit control device is simple in structure and convenient to control.
Drawings
FIG. 1 is a schematic view of the overall structure of a spacing mechanism according to an embodiment of the present invention;
FIG. 2 is an exploded view of FIG. 1;
FIG. 3 is a schematic view of a spiral groove guide and a first carrier according to an embodiment of the present invention;
FIG. 4 is a schematic view of a radial guide plate according to an embodiment of the present invention;
fig. 5 is a schematic structural view of a pin guide in an embodiment of the present invention.
Wherein: 10. a spiral groove guide plate; 20. a radial guide plate; 30. a pin guide; 40. a first hall element; 50. a second Hall element; 60. a first carrier; 70. a second carrier; 11. a spiral guide groove; 12. the starting end of the guide groove; 13. a guide groove end; 21. a radial guide slot; 31. a stop pin; 32. a guide pin; 33. a convex ring; 34. and magnetic steel.
Detailed Description
The invention is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.
It should be noted that, in the description of the present invention, the directions or positional relationships indicated by the terms "front", "rear", "left", "right", "upper", "lower", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and do not require that the present invention must be constructed and operated in a specific direction, and thus should not be construed as limiting the present invention. The terms "front", "back", "left", "right", "upper", "lower" as used in the description of the present invention refer to directions in the drawings, and the terms "inner", "outer" refer to directions toward or away from the geometric center of a particular component, respectively.
An electromechanical limit mechanism of a large-angle rotating body comprises a spiral groove guide plate 10, a first supporting body 60 for installing the rotating body, a second supporting body 70 for installing the rotating body and a guide pin member 30, wherein the spiral groove guide plate 10 comprises a circular guide plate main body, a spiral guide groove 11 is arranged on the guide plate main body, the spiral guide groove 11 is provided with a guide groove starting end 12 and a guide groove tail end 13, and the angle between the guide groove starting end 12 and the guide groove tail end 13 is larger than 360 degrees; the first bearing body 60 is connected to one side of the spiral groove guide plate 10, the first bearing body 60 is connected with a first Hall element 40 close to the beginning end 12 of the guide groove and a second Hall element 50 close to the tail end 13 of the guide groove, and the first Hall element 40 and the second Hall element 50 are used for controlling the stopping of the rotating body; the second carrier 70 is connected to the other side of the spiral groove guide plate 10, and a slidable guide pin member 30 is connected to the second carrier 70; the guide pin member 30 is slidably connected to the spiral guide groove 11, and the end of the guide pin member 30 is provided with a magnetic steel 34 for controlling the operation of the first hall element 40 and the second hall element 50.
The spiral guide slot that this application designed is greater than the round to sliding connection has the guide pin spare in the spiral guide slot, and guide pin spare and second supporting body sliding connection, and when the second supporting body rotated, can drive the guide pin spare and rotate, because both sliding connection can make the turned angle of guide pin spare be greater than 360, when guide pin spare and be close to the first hall element of guide slot starting end or be close to the second hall element contact at the guide slot end, the control rotator stopped rotating, the effectual big angle that has realized the rotator and exceeded 360 is spacing.
An electromechanical limit mechanism of a large-angle rotary body (see figures 1 and 2) consists of a spiral groove guide plate 10, a radial guide plate 20, a guide pin member 30, a first Hall element 40, a second Hall element 50 and the like. The first carrier 60 and the second carrier 70 are two structures that rotate relative to each other. The electromechanical limiting mechanism is arranged between two opposite rotating bodies for use.
The spiral groove guide plate 10 is a circular plate (see fig. 2 and 3), and is coaxially and fixedly arranged with the first bearing body 60.
The spiral guide groove 11 is provided around the spiral guide plate 10. The spiral direction of the guide groove is not limited, and the guide groove can be a clockwise spiral groove or a counterclockwise spiral groove, and is shown as a guide groove facing outwards anticlockwise. The guide start 12 and guide end 13 may cooperate with the guide pin 30 for mechanical restraint.
A mounting hole is formed near the guide groove starting end 12 on the end surface of the first bearing body 60 where the spiral guide groove guide plate 10 is fixedly mounted, a first Hall element 40 is arranged in the hole, and the first Hall element 40 corresponds to the spiral guide groove 11 in position; a mounting hole is formed near the end 13 of the guide groove, a second Hall element 50 is arranged in the hole, and the second Hall element 50 corresponds to the position of the spiral guide groove 11;
the angle between the guide start 12 and the guide end 13 can be set according to the actual need. If the second carrier 70 is required to rotate 400 degrees (which may be a greater angle) relative to the first carrier 60, the angle between the channel start 12 and the channel end 13 is 400 degrees +2A, taking into account the required reserved angle of rotation A between the electrical and mechanical limits.
In fig. 3, the angle B of rotation along the spiral guide groove between the first hall element 40 disposed near the guide groove start end 12 and the second hall element 50 disposed near the guide groove end 13 is 400 degrees, and the actual spatial angle between the first hall element 40 and the second hall element 50 is 40 degrees.
The radial guide 20 is a circular plate (see fig. 2 and 4) and is coaxially and fixedly arranged with the second carrier 70. A radial guide 21 is provided on the radial guide 20. The radial guide slot 21 has a width that is a sliding fit with the guide pin 32.
The guide pin member 30 is shown in fig. 2, 3 and 5, the guide pin member 30 is formed by three coaxial sections of a stop pin 31, a convex ring 33 and a guide pin 32, the stop pin 31 is in sliding fit with the spiral guide groove 11 on the spiral guide plate 10, and the guide pin 32 is in sliding fit with the radial guide groove 21 on the radial guide plate 20. A magnetic steel 34 is also fixed to the end of the stopper pin 31.
Description of working principle:
when the instrument works normally, the electromagnetic signal control between the magnetic block and the Hall element is needed to be selected by the invention through direct control of electric limit.
The guide pin 30 is located at the middle position of the spiral guide groove 11 at the initial setting.
The second carrier 70 is rotated clockwise (see fig. 2, from top to bottom), the radial guide groove 21 on the radial guide plate toggles the guide pin member 30 to slide centripetally along the spiral guide groove 11, and when the guide pin member 30 moves to a position corresponding to the second hall element 50, the magnetic steel 34 is fixedly arranged at the end of the stop pin 31. At this time, the second hall element 50 is turned on, and the rotation body is electrically limited by the control circuit, so that the rotation is stopped. When the electrical limit fails, the stop pin 31 will directly hit the end 13 of the guide slot to stop rotation.
The second carrier 70 is rotated counterclockwise (as viewed from the top in fig. 2), the radial guide groove 21 on the radial guide plate toggles the pin guide pin member 30 to slide outward along the spiral guide groove 11, and when the guide pin member 30 moves to a position corresponding to the first hall element 40, the magnetic steel 34 is fixedly provided at the end of the stop pin 31. At this time, the first hall element 40 is turned on, and the rotation body is electrically limited by the control circuit, so that the rotation is stopped. When the electrical limit fails, the stop pin 31 directly hits the guide slot start end 12 to stop rotation.
The application has the following advantages: the large-angle rotation limit exceeding 360 degrees between the two rotating bodies is realized through the spiral guide groove and the sliding stop pin which are arranged on the periphery of the spiral groove guide plate; the Hall element electric limit and the magnetic steel arranged at the end part of the stop pin are respectively arranged near the two ends of the spiral groove guide slot to realize the large-angle rotation electric limit control exceeding 360 degrees between the two rotating bodies.
It will be appreciated by those skilled in the art that the present invention can be carried out in other embodiments without departing from the spirit or essential characteristics thereof. Accordingly, the above disclosed embodiments are illustrative in all respects, and not exclusive. All changes that come within the scope of the invention or equivalents thereto are intended to be embraced therein.
Claims (7)
1. An electromechanical spacing mechanism for a wide angle rotator, comprising:
the spiral groove guide plate (10) comprises a circular guide plate main body, wherein a spiral guide groove (11) is arranged on the guide plate main body, the spiral guide groove (11) is provided with a guide groove starting end (12) and a guide groove tail end (13), and the angle between the guide groove starting end (12) and the guide groove tail end (13) is larger than 360 degrees;
a first bearing body (60) for installing a rotating body, wherein the first bearing body (60) is connected to one side of the spiral groove guide plate (10), a first Hall element (40) close to the beginning end (12) of the guide groove and a second Hall element (50) close to the tail end (13) of the guide groove are connected to the first bearing body (60), and the first Hall element (40) and the second Hall element (50) are used for controlling the stopping of the rotating body;
a second carrier (70) for mounting the rotating body, wherein the second carrier (70) is connected to the other side of the spiral groove guide plate (10), and a slidable guide pin (30) is connected to the second carrier (70);
the guide pin (30) is in sliding connection with the spiral guide groove (11), and the tail end of the guide pin (30) is provided with magnetic steel (34) for controlling the first Hall element (40) and the second Hall element (50) to work;
the device also comprises a circular radial guide plate (20), wherein the radial guide plate (20) is arranged between the second supporting body (70) and the spiral groove guide plate (10) and is connected with the second supporting body (70);
the radial guide plate (20) is provided with a radial guide groove (21), and the top end of the guide pin (30) is slidably connected in the radial guide groove (21);
the guide pin member (30) comprises a guide pin (32) and a stop pin (31) which are coaxially arranged, the guide pin (32) is in sliding connection with the radial guide groove (21), and the stop pin (31) is in sliding connection with the spiral guide groove (11);
a coaxial convex ring (33) is further arranged between the guide pin (32) and the stop pin (31), and the diameter of the convex ring (33) is larger than the width of the spiral guide groove (11).
2. The electromechanical limiting mechanism of a high angle rotator according to claim 1, characterized in that the radial guide plate (20) and the second carrier (70) are connected by a bolt or screw.
3. The electromechanical limiting mechanism of a wide angle rotator according to claim 1, wherein the radial guide plate (20) is provided with a lightening hole.
4. The electro-mechanical spacing mechanism of a high angle rotator according to claim 1, characterized in that the spiral groove guide plate (10), the radial guide plate (20), the first carrier (60) and the second carrier (70) are coaxially arranged.
5. The electromechanical limiting mechanism of a high angle rotator according to claim 1, characterized in that the angle between the channel start (12) and the channel end (13) is: and the rotation angle to be turned of the rotating body is +2A, wherein A is a limit reserved angle.
6. The electromechanical spacing mechanism of a large angle rotator according to claim 1, characterized in that the first hall element (40) is arranged at the front end of the guide groove start end (12), and the second hall element (50) is arranged at the front end of the guide groove end (13).
7. The electromechanical limiting mechanism of a wide angle rotator according to claim 1, characterized in that the first carrier (60) and the spiral groove guide (10) are connected by a bolt or a screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210687759.6A CN115129109B (en) | 2022-06-17 | 2022-06-17 | Electromechanical limiting mechanism of large-angle rotating body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210687759.6A CN115129109B (en) | 2022-06-17 | 2022-06-17 | Electromechanical limiting mechanism of large-angle rotating body |
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| CN115129109A CN115129109A (en) | 2022-09-30 |
| CN115129109B true CN115129109B (en) | 2023-07-25 |
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| CN202210687759.6A Active CN115129109B (en) | 2022-06-17 | 2022-06-17 | Electromechanical limiting mechanism of large-angle rotating body |
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| JP6370994B2 (en) * | 2014-08-29 | 2018-08-08 | エスゼット ディージェイアイ オスモ テクノロジー カンパニー リミテッドＳＺ ＤＪＩ Ｏｓｍｏ Ｔｅｃｈｎｏｌｏｇｙ Ｃｏ．， Ｌｔｄ． | Rotation limit device |
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