CN101887285A - 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 PDF

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Publication number
CN101887285A
CN101887285A CN 201010224097 CN201010224097A CN101887285A CN 101887285 A CN101887285 A CN 101887285A CN 201010224097 CN201010224097 CN 201010224097 CN 201010224097 A CN201010224097 A CN 201010224097A CN 101887285 A CN101887285 A CN 101887285A
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CN
China
Prior art keywords
control
rotary
boss
rotating ring
supporting
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Granted
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CN 201010224097
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Chinese (zh)
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CN101887285B (en
Inventor
刘家燕
程志峰
黄猛
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Changchun Institute of Optics Fine Mechanics and Physics of CAS
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Changchun Institute of Optics Fine Mechanics and Physics of CAS
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Priority to CN2010102240976A priority Critical patent/CN101887285B/en
Publication of CN101887285A publication Critical patent/CN101887285A/en
Application granted granted Critical
Publication of CN101887285B publication Critical patent/CN101887285B/en
Expired - Fee Related legal-status Critical Current
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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

The electromechanical limit mechanism that a kind of ± 200 ° rotation is turned
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 n * 360 ° multi-turn revolving-turret 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 and electricity are spacing.
In existing technology, with the most approaching prior art of the present invention be the anglec of rotation used in the product of Changchun Institute of Optics, Fine Mechanics and Physics, CAS's development as shown in Figure 1 less than the electromechanical limit mechanism of a circle, comprise that rotating shaft 1, set collar 2, the first mechanical position limitation piece 3, spacing 4, the second mechanical position limitation piece 5 of 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 and set collar 2 are turned for counterrotating two.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 rotates between the first mechanical position limitation piece 3 and the second mechanical position limitation piece 5, 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, uncontrollable greater than 360 ° the anglec 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 and electricity are spacing, a kind of electromechanical limit mechanism of turning of ad hoc meter greater than 360 °.
The technical problem to be solved in the present invention 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, solid mechanical limited block 11, rotating ring 12, swivel eye 13, spacing 14, first magnetic patch 15 of 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, 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, put 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 °, inlay in the two ends symmetry of rotating ring control position boss 17 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 °; Have rotation control position boss 19 on swivel eye 13, 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 as shown in Figure 4, promptly is installed between the outside rotary body 22 and supporting body 23, is fixed in the following protruding eaves of supporting body 23; 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 by 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 spacing 14 to be symmetrically installed with first Hall element electricity spacing 10 and second Hall element electricity, 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, control nail 20 is installed on the workplace of supporting body 23 bottom surfaces, be 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 shown in the b together, when second magnetic patch 18 on the rotating ring 12 forwards control nail 20 to (control nail 20 is for inhaling magnet steel spare), held (seeing c) by it, rotating ring 12 is slack thus, 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, finishes 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, as labeling position among Fig. 8, can finish ± 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, swivel eye 13 and rotary body 22 are connected by 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 by 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 determined 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 with screw symmetry two Hall element electricity to be installed on supporting body 23--and-the first Hall element electricity spacing 10 and second Hall element electricity is spacing 14, and the rotation center subtended angle is 96 ° relatively.Because Hall element can be cut into magnetic field, just have 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 °.Opposite at solid mechanical limited block 11, on heart subtended angle angular bisector, radius of turn with first magnetic patch 15 and second magnetic patch 18 is a radius, control nail 20 is installed, both are for being threaded, with control nail check nut 21 control nail 20 is locked, control nail 20 is for inhaling magnet steel spare (as shown in Figure 8) again.
Be fixed on first magnetic patch 15 on the rotating ring 12 and second magnetic patch 18 and first Hall element electricity spacing 10 and second Hall element electricity spacing 14 and axially be spaced apart 1.5mm after overlapping, with the end face of control nail 20, overlapping back is axial is spaced apart 0.1~0.2mm (as Fig. 9).Rotating ring control position boss 17 axially and is radially all having projection; to heart subtended angle is 75 °; 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 mutually with swivel eye 13, 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 that spacing 10, second Hall element electricity of first Hall element electricity is 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, 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, when pressure ring 16 is connected with swivel eye 13, form the groove of an opening between two rings towards the outside, there is a boss inboard of rotating ring 12, put 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 ring 12 in two ends of rotating ring control position boss 17 is 75 °, inlay in the two ends symmetry of rotating ring control position boss 17 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 °; Have rotation control position boss 19 on swivel eye 13, the rotation center subtended angle of the relative swivel eye 13 in two ends 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, is fixed in the following protruding eaves of supporting body 23; Rotating ring 12, pressure ring 16 and swivel eye 13 are installed on the workplace on outside rotary body 22 tops, link to each other with rotary body 22 by 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, 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 spacing 14 to be symmetrically installed with first Hall element electricity spacing 10 and second Hall element electricity, 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, control nail 20 is installed on the workplace of supporting body 23 bottom surfaces, be 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; During installation, " 0 " position of " 0 " of rotary body 22 position and supporting body 23 is overlapping.
CN2010102240976A 2010-07-13 2010-07-13 Electromechanical limit mechanism of rotary body capable of rotating +/-200 degrees Expired - Fee Related CN101887285B (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN104122934A (en) * 2014-07-15 2014-10-29 北京航空航天大学 Attitude range adjustable stable platform limiting mechanism
CN109623851A (en) * 2019-01-09 2019-04-16 北京精密机电控制设备研究所 A kind of joint of mechanical arm null-setting device and return to zero method

Citations (3)

* Cited by examiner, † Cited by third party
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

Patent Citations (3)

* Cited by examiner, † Cited by third party
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

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
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
CN104122934A (en) * 2014-07-15 2014-10-29 北京航空航天大学 Attitude range adjustable stable platform limiting mechanism
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
CN109623851A (en) * 2019-01-09 2019-04-16 北京精密机电控制设备研究所 A kind of joint of mechanical arm null-setting device and return to zero method

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