CN101887285B - Electromechanical limit mechanism of rotary body capable of rotating +/-200 degrees - Google Patents
Electromechanical limit mechanism of rotary body capable of rotating +/-200 degrees Download PDFInfo
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- CN101887285B CN101887285B CN2010102240976A CN201010224097A CN101887285B CN 101887285 B CN101887285 B CN 101887285B CN 2010102240976 A CN2010102240976 A CN 2010102240976A CN 201010224097 A CN201010224097 A CN 201010224097A CN 101887285 B CN101887285 B CN 101887285B
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- limited block
- rotating ring
- hall element
- subtended angle
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Abstract
The invention relates to an electromechanical limit mechanism of a rotary body capable of rotating +/-200 degrees, which belongs to an electromechanical limit mechanism in the technical field of photoelectric instruments and aims to solve the technical problem of providing an electromechanical limit mechanism of a rotary body capable of rotating +/-200 degrees. The technical scheme is as follows: the mechanism comprises first and second Hall element electrical limits, a fixed machinery limited block, a moving ring, a rotary ring, first and second magnets, a pressure ring, a control nail and a locking nut of the control nail. The electromechanical limit mechanism is arranged between the two opposite rotary bodies; the moving ring, the pressure ring and the rotary ring are arranged on a work surface on the upper part of the external rotary body; the fixed machinery limited block, the first and second Hall element electrical limits, the control nail and the locking nut of the control nail are arranged and fixed on the work surface on the bottom surface of a supporting body; and when being used and mounted, the zero position of the rotary body and that of the supporting body are overlapped, thereby realizing the limiting rotation in a wide angle beyond 360 degrees between two rotary bodies and the electrical limit of +/-200 degrees.
Description
Technical field:
The invention belongs to the electromechanical limit mechanism that a kind of ± 200 ° rotation that relates in the technical field of photoelectric instruments is turned.
Background technology:
In the design of photoelectric instrument, run into circle revolving-turret more than n * 360 ° through regular meeting, do not relate to spacing problem this moment.Because special requirement, require the anglec of rotation greater than more than the circle, for example from-200 ° to+200 ° rotation, that is: the corner of unidirectional+400 ° must design special position-limit mechanism, can realize that just its machinery is spacing with electricity.
In existing technology; With the most approaching prior art of the present invention be that the anglec of rotation used in the product of Changchun Institute of Optics, Fine Mechanics and Physics, CAS development is as shown in Figure 1 less than the electromechanical limit mechanism of a circle, comprise that spacing 4, the second mechanical position limitation piece 5 of rotating shaft 1, set collar 2, the first mechanical position limitation piece 3, first Hall element electricity, mechanical position limitation change frame 6, magnetic patch fixed mount 7, second Hall element electricity spacing 8 and magnetic patch 9.Rotating shaft 1 is turned for counterrotating two with set collar 2.Spacing 4, second Hall element electricity spacing 8 of the first mechanical position limitation piece 3, the second mechanical position limitation piece 5 and first Hall element electricity is installed on the set collar 2; Mechanical position limitation changes frame 6 and magnetic patch fixed mount 7 is installed in the rotating shaft 1; The other end at magnetic patch fixed mount 7 is inlaid with magnetic patch 9; During rotation, magnetic patch 9 rotates between first Hall element 4 and second Hall element 8, when magnetic patch 9 forwards first Hall element 4 or second Hall element, 8 tops to; Electric signal input is arranged, rotate controlled, stop; Mechanical position limitation changes frame 6 and between the first mechanical position limitation piece 3 and the second mechanical position limitation piece 5, rotates, and when collide with the first mechanical position limitation piece 3 and the second mechanical position limitation piece 5 respectively in the two ends of mechanical position limitation commentaries on classics frame 6, rotation stops.Mechanical position limitation occur in electricity spacing after, just use mechanical position limitation when out of control when electricity is spacing.
This electromechanical limit mechanism normally is applied between counterrotating two rotary bodies, in order to control two anglecs of rotation between turning, satisfies the job requirement of rotary body.
The subject matter that this position-limit mechanism exists be can only control corner 360 ° with interior rotation, can not control greater than 360 ° the anglecs of rotation.
Summary of the invention:
In order to overcome the defective that prior art exists, when the objective of the invention is to solve angle range, can realize that machinery is spacing with electricity, a kind of electromechanical limit mechanism of turning of ad hoc meter greater than 360 °.
The technical matters that the present invention will solve is: a kind of ± 200 electromechanical limit mechanism that ° rotation is turned is provided.The technical scheme of technical solution problem such as Fig. 2, Fig. 3, Fig. 4, Fig. 5, shown in Figure 6 comprise that first Hall element electricity is spacing 10, spacing 14, first magnetic patch 15 of solid mechanical limited block 11, rotating ring 12, swivel eye 13, second Hall element electricity, pressure ring 16, rotating ring control position boss 17, second magnetic patch 18, a rotation control position boss 19, control nail 20, control nail check nut 21; Pressure ring 16 utilizes screw to be connected up and down with swivel eye 13, because a shoulder is arranged above the swivel eye 13, and when pressure ring 16 is connected with swivel eye 13; Form the groove of an opening towards the outside between two rings, there is a boss inboard of rotating ring 12, puts in the groove of pressure ring 16 and swivel eye 13 formation; Clearance fit, as shown in Figure 3, thus; Rotating ring 12 is limited between pressure ring 16 and the swivel eye 13, and rotating ring 12 can only be rotated.Have rotating ring control position boss 17 on the rotating ring 12; The rotation center subtended angle of the relative rotating ring 12 in two ends of rotating ring control position boss 17 is 75 °; The two ends symmetry of boss 17 inlays that the relative rotation center subtended angle of first magnetic patch 15 and 18, two magnetic patch centers of second magnetic patch is housed is 67 ° in rotating ring control position; On swivel eye 13, have rotation control position boss 19, the rotation center subtended angle of the relative swivel eye 13 in two ends of rotation control position boss 19 is 75 °; Rotating ring control position boss 17 is confined to solid mechanical limited block 11 and rotation control position boss 19.
This electromechanical limit mechanism is mounted between two relative rotary bodies and uses, and is as shown in Figure 4, promptly is installed between the outside rotary body 22 and supporting body 23, be fixed on supporting body 23 below in the protruding eaves; Rotating ring 12, pressure ring 16 and swivel eye 13 are installed on the workplace on outside rotary body 22 tops; As shown in Figure 5; Link to each other with rotary body 22 through swivel eye 13 usefulness screws, during installation, the subtended angle between " 0 " position of heart subtended angle bisector and rotary body 22 of rotation control position boss 19 is 172.5 °; Spacing 10, second Hall element electricity of solid mechanical limited block 11, first Hall element electricity is spacing 14, control nail 20 and control nail check nut 21 are fixed on the workplace of supporting body 23 bottom surfaces; As shown in Figure 6; Solid mechanical limited block 11 is 75 ° with respect to the rotation center subtended angle of supporting body 23; During installation, the subtended angle between " 0 " position of heart subtended angle bisector and supporting body 23 of solid mechanical limited block 11 is 37.5 °; In the both sides of solid mechanical limited block 11, it is electric spacing 14 to be symmetrically installed with first Hall element electricity spacing 10 and second Hall element, and both are 96 ° with respect to the subtended angle of rotation center; Opposite at solid mechanical limited block 11; Solid mechanical limited block 11 to heart subtended angle bisector on, installation and control nail 20 on the workplace of supporting body 23 bottom surfaces, are threaded between control nail 20 and the supporting body 23; Control nail check nut 21 is housed on control nail 20, and both are for being threaded.
The principle of work explanation: during the instrument operate as normal, need the spacing direct control of electricity, the present invention need select the electromagnetic signal control between magnetic patch, Hall element.As shown in Figure 7, a is+200 ° of spacing positions of electricity, when rotary body 22 controlled clockwise rotating; Swivel eye 13 is asking rotating ring 12 to move together shown in the b, and (control nail 20 is for inhaling magnet steel spare) held by it (seeing c) when second magnetic patch 18 on the rotating ring 12 forwards control nail 20 to; Rotating ring 12 is slack thus, and swivel eye 13 continues rotation (seeing d), after swivel eye 13 rotates 210 °; Its rotation control position boss 19 can be run into the opposite side (seeing e) of the rotating ring control position boss 17 of rotating ring 12; Promote rotating ring 12 and rotate, second magnetic patch 18 on rotating ring 12 runs into spacing 10 (the seeing f) of first Hall element electricity, accomplishes rotary body 22 and clockwise rotates 400 °; Promptly arrived-200 ° position, in like manner be rotated counterclockwise and can arrive+200 ° of positions in the other direction.Select the centre position of this angle, be made as zero-bit, like labeling position among Fig. 8, can accomplish ± 200 ° of rotations.When the spacing inefficacy of electricity, rotating ring control position boss 17 can directly be run on the solid mechanical limited block 11, and rotation is stopped.
Good effect of the present invention: utilize the mutual spacing relation of rotating ring control position boss 17 with the rotation control position boss 19 of solid mechanical limited block 11, swivel eye 13 of rotating ring 12, realized exceeding between two rotary bodies 360 ° the spacing rotation of wide-angle; First magnetic patch 15 and second magnetic patch 18 are installed on the rotatable rotating ring control position boss 17, with the supporting use of Hall element, have utilized control nail again, have avoided that in advance electricity is spacing, realize ± 200 ° electric spacing.
Description of drawings:
Fig. 1 is the three-dimensional electromechanical limit structural representation of prior art;
Fig. 2 is a three-dimensional electromechanical limit structural representation of the present invention;
Fig. 3 is rotating ring 12 among the present invention, pressure ring 16 and swivel eye 13 structural relation synoptic diagram;
Fig. 4 is an application structure synoptic diagram of the present invention;
Fig. 5 is that the present invention is installed in the plan structure synoptic diagram on the outside rotary body 22;
Fig. 6 is that the present invention is installed in the structural representation of looking up on the outside supporting body 23;
Fig. 7 is an operation acts process flow diagram of the present invention;
Fig. 8 is a relative dimensions mark synoptic diagram of the present invention;
Fig. 9 is side-looking, the relative dimensions mark synoptic diagram of Fig. 8.
Embodiment:
The present invention presses Fig. 2, Fig. 3, Fig. 4, Fig. 5 and structure shown in Figure 6 and implements; Wherein, Solid mechanical limited block 11, rotating ring 12, swivel eye 13 and pressure ring 16 are all does not inhale the magnetic stainless steel part; Their diameter is by the diameter decision of the rotary body 22 and the supporting body 23 of outside; Rotating ring 12 is installed between swivel eye 13 and the pressure ring 16, and swivel eye 13 and rotary body 22 are connected through screw, and making the subtended angle between " 0 " of heart subtended angle bisector and rotary body 22 of rotation control position boss 19 is 172.5 °; Solid mechanical limited block 11 and supporting body 23 are connected through screw; Making the subtended angle between " 0 " position of heart subtended angle bisector and supporting body 23 of solid mechanical limited block 11 is 37.5 °; Use when installing, " 0 " position of " 0 " of rotary body 22 position and supporting body 23 is overlapping.First magnetic patch 15 and second magnetic patch 18 are bottom surface diameter phi 8mm, the right cylinder of high 2mm, and symmetry is embedded in boss 17 surfaces, rotating ring control position, and radius of turn can be confirmed according to the width of rotating ring control position boss 17; Is axis of symmetry with solid mechanical limited block 11 to heart subtended angle bisector; Radius of turn with first magnetic patch 15 and second magnetic patch 18 is a radius; It is spacing on supporting body 23, with screw symmetry two Hall element electricity to be installed--and-the first Hall element electricity spacing 10 and second Hall element electricity is spacing 14, and relative rotation center subtended angle is 96 °.Because Hall element can be cut into magnetic field, just has electric signal, not that necessary center is overlapping; Through overtesting, the center is not overlapping when heart subtended angle is 3 °, and the electric signal input is just arranged; Thus; According to the angle theoretical value is 400 °, and positive and negative two directions are respectively stayed 0.5 ° of surplus, and calculating two relative rotation center subtended angles in magnetic patch center is 67 °.On the opposite of solid mechanical limited block 11, on heart subtended angle angular bisector, be radius with the radius of turn of first magnetic patch 15 and second magnetic patch 18; Installation and control nail 20; Both lock control nail 20 with control nail check nut 21 for being threaded again, and control nail 20 is for inhaling magnet steel spare (as shown in Figure 8).
Be fixed on first magnetic patch 15 and second magnetic patch 18 and first Hall element electricity spacing 10 and second Hall element electricity spacing 14 on the rotating ring 12 and axially be spaced apart 1.5mm after overlapping, with the end face of control nail 20, the overlapping afterwards axial 0.1～0.2mm (like Fig. 9) that is spaced apart.Rotating ring control position boss 17 axially with radially convexity is arranged all, be 75 ° to heart subtended angle, mechanical position limitation piece 11 limits that can be fixed are lived; Can be rotated control position boss 19 limits yet and live, solid mechanical limited block 11 does not limit with swivel eye 13 mutually, and 11 pairs of heart subtended angles of solid mechanical limited block are 75 °; 19 pairs of heart subtended angles of rotation control position boss are 75 °; The mechanical maximum anglec of rotation that can calculate swivel eye 13 this moment is 420 °, can be spacing when out of control at electricity, shield.
Claims (1)
1. one kind ± 200 ° electromechanical limit mechanisms that rotation is turned; Comprise the first Hall element electricity spacing (10), the second Hall element electricity spacing (14), it is characterized in that also comprising solid mechanical limited block (11), rotating ring (12), swivel eye (13), first magnetic patch (15), pressure ring (16), rotating ring control position boss (17), second magnetic patch (18), rotation control position boss (19), control nail (20), control nail check nut (21); Pressure ring (16) utilizes screw to be connected up and down with swivel eye (13), because a shoulder arranged above the swivel eye (13), pressure ring (16) and swivel eye (13) are when being connected; Form the groove of an opening between two rings towards the outside; There is a boss inboard of rotating ring (12), puts in the groove of pressure ring (16) and swivel eye (13) formation clearance fit; Have rotating ring control position boss (17) on the rotating ring (12); The rotation center subtended angle of the relative rotating rings in two ends (12) of rotating ring control position boss (17) is 75 °, inlays in the two ends symmetry of rotating ring control position boss (17) first magnetic patch (15) and second magnetic patch (18) are housed, and two relative rotation center subtended angles in magnetic patch center are 67 °; On swivel eye (13), have rotation control position boss (19), the rotation center subtended angle of the relative swivel eyes in two ends (13) of rotation control position boss (19) is 75 °; This electromechanical limit mechanism is mounted between two relative rotary bodies, promptly is installed between the outside rotary body (22) and supporting body (23), be fixed on supporting body (23) below in the protruding eaves; Rotating ring (12), pressure ring (16) and swivel eye (13) are installed on the workplace on outside rotary body (22) top; Link to each other with rotary body (22) with screw through swivel eye (13); During installation, the subtended angle between " 0 " position of heart subtended angle bisector and rotary body (22) of rotation control position boss (19) is 172.5 °; Solid mechanical limited block (11), the first Hall element electricity spacing (10), the second Hall element electricity spacing (14), control nail (20) and control nail check nut (21) are fixed on the workplace of supporting body (23) bottom surface; Solid mechanical limited block (11) is 75 ° with respect to the rotation center subtended angle of supporting body (23); During installation, the subtended angle between " 0 " position of heart subtended angle bisector and supporting body (23) of solid mechanical limited block (11) is 37.5 °; Both sides in solid mechanical limited block (11) are symmetrically installed with first Hall element electricity spacing (10) and the second Hall element electricity spacing (14), and both are 96 ° with respect to the subtended angle of rotation center; Opposite in solid mechanical limited block (11); Solid mechanical limited block (11) to heart subtended angle bisector on; Installation and control nail (20) on the workplace of supporting body (23) bottom surface; Be threaded between control nail (20) and the supporting body (23), control nail check nut (21) is housed on control nail (20), both are for being threaded; During installation, " 0 " position of " 0 " of rotary body (22) position and supporting body (23) is overlapping.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102240976A CN101887285B (en) | 2010-07-13 | 2010-07-13 | Electromechanical limit mechanism of rotary body capable of rotating +/-200 degrees |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102240976A CN101887285B (en) | 2010-07-13 | 2010-07-13 | Electromechanical limit mechanism of rotary body capable of rotating +/-200 degrees |
Publications (2)
| Publication Number | Publication Date |
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| CN101887285A CN101887285A (en) | 2010-11-17 |
| CN101887285B true CN101887285B (en) | 2012-07-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010102240976A Expired - Fee Related CN101887285B (en) | 2010-07-13 | 2010-07-13 | Electromechanical limit mechanism of rotary body capable of rotating +/-200 degrees |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102102996B (en) * | 2010-12-16 | 2012-07-11 | 重庆易控科技有限责任公司 | Over-360-degree-angle limit sensor device |
| CN104122934B (en) * | 2014-07-15 | 2016-06-22 | 北京航空航天大学 | A kind of adjustable stabilized platform position-limit mechanism of attitude scope |
| CN109525820B (en) * | 2018-12-21 | 2023-10-20 | 银河水滴科技（北京）有限公司 | Double-camera video acquisition device and material operation trolley |
| CN109623851B (en) * | 2019-01-09 | 2021-02-09 | 北京精密机电控制设备研究所 | Zero position device and zero returning method for mechanical arm joint |
| CN112289598A (en) * | 2019-07-27 | 2021-01-29 | 九江精密测试技术研究所 | 360-degree limiting device capable of automatically resetting |
| CN115129109B (en) * | 2022-06-17 | 2023-07-25 | 南京信息职业技术学院 | Electromechanical limiting mechanism of large-angle rotating body |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2632731Y (en) * | 2003-04-16 | 2004-08-11 | 中国科学院长春光学精密机械与物理研究所 | Electromechanial 750 deg reversing limiting mechanism |
| CN201159646Y (en) * | 2007-12-12 | 2008-12-03 | 中国科学院光电研究院 | Strap-down multi-position gyrostatic compass |
| 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 |
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