CN102829773A - Automatic lightproof cylinder cover device suitable for large-scale photoelectric theodolite - Google Patents
Automatic lightproof cylinder cover device suitable for large-scale photoelectric theodolite Download PDFInfo
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- CN102829773A CN102829773A CN2012102788621A CN201210278862A CN102829773A CN 102829773 A CN102829773 A CN 102829773A CN 2012102788621 A CN2012102788621 A CN 2012102788621A CN 201210278862 A CN201210278862 A CN 201210278862A CN 102829773 A CN102829773 A CN 102829773A
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Abstract
适用于大型光电经纬仪的自动遮光筒盖装置，涉及光电测量技术领域，解决了现有电动遮光筒盖的重量和噪音大以及对俯仰轴力矩较大的问题，该装置包括直线电机；连接在直线电机上自身可转动的丝杠；由丝杠带动可左右移动的消隙螺母；在直线电机与消隙螺母之间，设置有沿遮光筒径向可折叠收缩或展开的连杆机构；在连杆机构外侧覆盖有一层用于遮光和防水的连杆布；与消隙螺母配合对连杆机构进行限位作用的限位装置。该装置还包括：用于固定直线电机的电机固定座；位于消隙螺母右侧且与丝杠相连的丝杠支撑座。本发明具有重量轻、噪音小、对俯仰轴力矩小的特点，应用于大型光电经纬仪时，简单方便、结构可靠、省时省力。
An automatic shading tube cover device suitable for large-scale photoelectric theodolite, which relates to the field of photoelectric measurement technology, solves the problems of the existing electric shading tube cover such as heavy weight and noise and large torque to the pitch axis. The device includes a linear motor; The motor itself has a rotatable lead screw; the anti-backlash nut driven by the lead screw can move left and right; between the linear motor and the anti-backlash nut, there is a connecting rod mechanism that can be folded, contracted or unfolded along the radial direction of the shading tube; The outer side of the rod mechanism is covered with a layer of connecting rod cloth for shading and waterproofing; it cooperates with the anti-backlash nut to limit the position of the connecting rod mechanism. The device also includes: a motor fixing seat for fixing the linear motor; a lead screw support seat located on the right side of the anti-backlash nut and connected with the lead screw. The invention has the characteristics of light weight, low noise, and small moment to the pitch axis. When applied to a large-scale photoelectric theodolite, it is simple, convenient, reliable in structure, and saves time and effort.
Description
Technical field
The present invention relates to the photoelectric measurement technical field, be specifically related to a kind of automatic cone lid arrangement that is applicable to the large photoelectric transit.
Background technology
The large photoelectric transit be utilize optical measuring apparatus to airbound target photograph, measurement and Information Monitoring to be to accomplish the record to target trajectory and characteristic.Along with the development of modern surveying technology and the raising of requirement, not only require electro-optic theodolite to have combination properties such as multi-functional, fast-response, high position precision, and aspects such as the profile of electro-optic theodolite, volume have also been proposed new requirement.
Cone is the important component part of large photoelectric transit, and the shading cover is positioned at cone foremost, can effectively block the optical system that parasitic lights such as sunshine, earth surface scattered light get into electro-optic theodolite.When electro-optic theodolite was observed work, the shading cover was opened, to guarantee enough big clear aperture; Behind electro-optic theodolite observation end-of-job, the shading cover is closed, and isolated optical system is communicated with the external environment space, prevents that dust, steam etc. from getting into optical system, plays the purpose of protection Cinetheodolite Instrumentation System.
Prior electric shading cover is as shown in Figure 1; Mainly form by stepper motor 2, gear reduction box 3, shaft coupling 4, rotating shaft 5, hinge 6, flanged plate 7 and semicircle cover plate 8; 3 runnings of stepper motor 2 driven gear reducer casinges, the shaft coupling 4 that is connected on the gear reduction box 3 drives rotating shaft 5 rotations, and hinge 6 two ends are connected with semicircle cover plate 8 with rotating shaft 5 respectively; Two fans about semicircle cover plate 8 is divided into; Drive down at hinge 6, about the semicircle cover plate 8 of two fans can opening and closing, thereby realization is to the interception of cone.Owing to adopt the cooperation of stepper motor 2 and gear reduction box 3, the weight and the noise when work of gear reduction box 3 self are bigger, make the weight of whole electronic shading cover and noise increase; The surveying work that is unfavorable for electro-optic theodolite; And electronic shading cover integral body need be installed in electro-optic theodolite foremost, and is longer apart from the rotary arm of the pitch axis centre of gyration; Moment to pitch axis is bigger, is unfavorable for integral body " trim " work of electro-optic theodolite.
Summary of the invention
For the weight that solves existing electronic shading cover and noise greatly and the problem bigger to pitch axis moment, the present invention provides a kind of automatic cone lid arrangement that is applicable to the large photoelectric transit.
The technical scheme that the present invention is adopted for the technical solution problem is following:
A kind of automatic cone lid arrangement that is applicable to the large photoelectric transit, this device is connected on the rear end inwall of cone through back up pad, comprising:
Linear electric motors;
Be connected on the said linear electric motors, can be along the leading screw of axle rotation;
Be sleeved on the said leading screw crack nut that disappears that can move along axle with the rotation of said leading screw;
Be arranged on said linear electric motors and the said linkage assembly that disappears between the nut of crack; This linkage assembly can shrink or expansion along said cone radial folding;
There is one deck to be used for the connecting rod cloth of shading and waterproof in said linkage assembly outer side covers;
Cooperate with the said crack nut that disappears, spacing stop means is carried out in the folding contraction or the expansion of said linkage assembly.
This device also comprises:
The motor fixing seat that is used for fixing said linear electric motors;
Be positioned at the said leading screw supporting seat that disappears nut right side, crack and link to each other with said leading screw.
Said stop means comprises:
The left limit device that links to each other with said motor fixing seat;
The right limit device that links to each other with said leading screw supporting seat.
Said back up pad comprises:
First back up pad that links to each other with said motor fixing seat, along the circumference uniform distribution of cone, quantity is three or four;
Second back up pad that links to each other with said leading screw supporting seat, along the circumference uniform distribution of cone, quantity is three or four.
Said linkage assembly is an axle with the cone center line, and along the circumference uniform distribution of cone, quantity is 6～8 groups; Comprise:
Be connected the first connecting rod on the said motor fixing seat;
The second connecting rod that links to each other with said first connecting rod middle part;
The third connecting rod that links to each other with said second connecting rod;
The 4th connecting rod that links to each other with said third connecting rod middle part;
Said first connecting rod links to each other with said the 4th connecting rod middle part;
Said the 4th connecting rod is connected on the said crack nut that disappears.
Being connected and all adopting said the 4th connecting rod and being connected of the said crack nut that disappears revolute pair to connect of being connected of being connected of being connected of being connected of said first connecting rod and said motor fixing seat, first connecting rod and said second connecting rod, said second connecting rod and said third connecting rod, said third connecting rod and said the 4th connecting rod, said the 4th connecting rod and said first connecting rod.
Said revolute pair connection realizes through deep groove ball bearing is set.
Said first connecting rod, second connecting rod, third connecting rod and the 4th connecting rod all adopt the square hollow aluminium alloy pipe to process.
The connecting rod cloth that said one deck is used for shading and waterproof is the waterproof soft cloth, and the waterproof soft cloth covers the first connecting rod outside in all linkage assemblys, the second connecting rod outside and the third connecting rod outside.
The invention has the beneficial effects as follows:, make the weight saving of whole device itself because in the linkage assembly of automatic cone lid arrangement of the present invention, all connecting rods all adopt the square hollow aluminium alloy pipe of very light weight; Simultaneously, the applicable line motor directly drives leading screw and rotates, and has replaced the combination of the stepper motor collocation gear reduction box of existing electronic shading cover, when making the device operation noise reduce, weight saving; Because it is inner that automatic cone lid arrangement of the present invention is installed in the cylinder rear end of cone; Rather than cone foremost; Thereby make the distance of the device barycenter and the pitch axis centre of gyration much smaller than prior electric shading cover; Whole device reduces pitch axis moment, helps automatic cone lid arrangement of the present invention whole " trim " work.
When automatic cone lid arrangement of the present invention is applied to the large photoelectric transit, have simple and convenient, reliable in structure, time saving and energy saving characteristics.
Description of drawings
Fig. 1 is the front view of prior electric shading cover;
Fig. 2 is the left view of the electronic shading cover among Fig. 1;
Fig. 3 is the front view that is applicable to the automatic cone lid arrangement of large photoelectric transit of the present invention;
Fig. 4 is the left view of the automatic cone lid arrangement among Fig. 3.
Among the figure, 1, cone, 2, stepper motor, 3, gear reduction box, 4, shaft coupling, 5, rotating shaft; 6, hinge, 7, flanged plate, 8, semicircle cover plate, 9, linear electric motors, 10, motor fixing seat; 11, first back up pad, 12, leading screw, 13, the crack nut that disappears, 14, the leading screw supporting seat, 15, second back up pad; 16, waterproof soft cloth, 17, the left limit device, 18, the right limit device, 19, first connecting rod, 20, second connecting rod; 21, third connecting rod, the 22, the 4th connecting rod, 23, light blocks the zone, 24, optical system clear aperature, 25, light incident direction.
Embodiment
Below in conjunction with accompanying drawing the present invention is done further explain.
Electro-optic theodolite design cone lid arrangement for clear aperture Φ 1000mm, central obscuration Φ 300mm.As shown in Figure 3, the automatic cone lid arrangement of large photoelectric transit that is applicable to of the present invention is positioned on the rear end inwall of cone 1, rear end and cone 1 be corresponding foremost, this device comprises linear electric motors 9; Be fixedly connected and be used for fixing the motor fixing seat 10 of linear electric motors 9 with linear electric motors 9; First back up pad 11 that links to each other with motor fixing seat 10, motor fixing seat 10 is connected on cone 1 inwall through first back up pad 11, and first back up pad, 11 quantity are three or four, are axle with cone 1 center line, along the circumference uniform distribution of cone 1; The leading screw 12 that links to each other with linear electric motors 9, leading screw 12 self can rotate along axle; Be sleeved on the crack nut 13 that disappears on the leading screw 12, the crack nut 13 that disappears can the moving axially along leading screw 12 with leading screw 12 rotations of self; Be positioned at the leading screw supporting seat 14 that disappears crack nut 13 right sides and link to each other with leading screw 12, leading screw supporting seat 14 is used to support leading screw 12; Second back up pad 15 that links to each other with leading screw supporting seat 14, leading screw supporting seat 14 is connected on cone 1 inwall through second back up pad 15, and second back up pad, 15 quantity are three or four, are axle with cone 1 center line, along the circumference uniform distribution of cone 1.
This device also comprises linkage assembly and stop means: linkage assembly is in motor fixing seat 10 and disappear between the crack nut 13; With cone 1 center line is axle; Along 6～8 groups of the circumference uniform distributions of cone 1, linkage assembly mainly comprises: the first connecting rod 19, second connecting rod 20, third connecting rod 21 and the 4th connecting rod 22 that adopt the square hollow aluminium alloy pipe of very light weight to process; First connecting rod 19 1 ends and motor fixing seat 10 link to each other with revolute pair, and the other end links to each other with revolute pair with the 4th connecting rod 22 middle parts; Second connecting rod 20 1 ends link to each other with revolute pair with first connecting rod 19 middle parts, and the other end and third connecting rod 21 link to each other with revolute pair; The 4th connecting rod 22 1 ends link to each other with revolute pair with third connecting rod 21 middle parts, and the other end links to each other with revolute pair with the crack nut 13 of disappearing.Have one deck to be used for the connecting rod cloth of shading and waterproof in the linkage assembly outer side covers, connecting rod cloth is waterproof soft cloth 16, and waterproof soft cloth 16 covers first connecting rod 19 outsides in all four-bar mechanisms, second connecting rod 20 outsides and third connecting rod 21 outsides.
Above-mentioned first connecting rod 19 middle parts, third connecting rod 21 middle parts and the 4th connecting rod 22 middle parts refer to non-length of connecting rod center position.
Above-mentioned revolute pair links to each other and realizes through deep groove ball bearing is set.
The aforementioned link mechanism outside refers to the summation in first connecting rod 19 outsides, second connecting rod 20 outsides and third connecting rod 21 outsides, is referred to as the linkage assembly outside.
Above-mentioned first connecting rod 19 outsides refer on the first connecting rod 19 and light incident direction 25 rightabout sides; Second connecting rod 20 outsides refer on the second connecting rod 20 and light incident direction 25 rightabout sides, and third connecting rod 21 outsides refer on the third connecting rod 21 and light incident direction 25 rightabout sides.
Stop means is between motor fixing seat 10 and leading screw supporting seat 14; Stop means comprises: left limit device 17 and right limit device 18; Left limit device 17 is fixedly linked through screw rod and motor fixing seat 10; Left limit device 17 is positioned at when linkage assembly is expanded to the optical system clear aperature 24 that covers cone 1 fully, and crack nut 13 left ends that disappear can touch the position of triggering; Right limit device 18 is fixedly linked through screw rod and leading screw supporting seat 14, and right limit device 18 is positioned at when linkage assembly is folding and is contracted to light and blocks regionally 23 the time, and crack nut 13 right-hand members that disappear can touch the position of triggering.
Fig. 4 is the left view of the cone lid arrangement of Fig. 3, representative first back up pad 11 that is connected with cone 1 inwall, and quantity is four, is axle with cone 1 center line, along the circumference uniform distribution of cone 1; Because the quantity of second back up pad 15 of expression also is four among the figure, and is identical with the situation of first back up pad 11, therefore first back up pad 11 overlaps with second back up pad 15, can only demonstrate first back up pad 11 in the left view; The representative linkage assembly that is not connected with cone 1 inwall, quantity is 8 groups, is axle with cone 1 center line; Along the circumference uniform distribution of cone 1, wherein, there are 4 groups of linkage assemblys to overlap with four first back up pads 11; Therefore fail to show 8 groups of linkage assemblys among the figure, only demonstrate 4 groups.
When the large photoelectric transit need be observed operation, need pack up the shading cover, at this moment; Start linear electric motors 9, when linear electric motors 9 rotate counterclockwise, drive leading screw 12 and also rotate counterclockwise; The crack nut 13 that disappears moves right, and linkage assembly shrinks together with waterproof soft cloth 16 is radially folding gradually, when the light that is contracted to newton's optical system blocks regional 23 li; The crack nut 13 right side trigger right limit devices 18 that disappear, linear electric motors 9 shut down, and the shading cover keeps collapsed state;
When the observation of large photoelectric transit finishes, need to launch the shading cover with protection newton optical system, at this moment; Start linear electric motors 9, when linear electric motors 9 clockwise rotate, drive leading screw 12 and also clockwise rotate; Disappear crack nut 13 to left movement, and linkage assembly radially launches together with waterproof soft cloth 16 gradually, until covering whole optical system clear aperature 24; This moment the crack nut 13 left side trigger left limit devices 17 that disappear, linear electric motors 9 shut down, the shading cover is held open state.
Claims (9)
1. automatic cone lid arrangement that is applicable to the large photoelectric transit is characterized in that this device is connected on the rear end inwall of cone (1) through back up pad, comprising:
Linear electric motors (9);
Be connected on the said linear electric motors (9), can be along the leading screw (12) of axle rotation;
Be sleeved on the said leading screw (12) the crack nut (13) that disappears that can move along axle with the rotation of said leading screw (12);
Be arranged on said linear electric motors (9) and the said linkage assembly that disappears between the crack nut (13); This linkage assembly can shrink or expansion along said cone (1) radial folding;
There is one deck to be used for the connecting rod cloth of shading and waterproof in said linkage assembly outer side covers;
Cooperate with the said crack nut (13) that disappears, spacing stop means is carried out in the folding contraction or the expansion of said linkage assembly.
2. the automatic cone lid arrangement that is applicable to the large photoelectric transit according to claim 1 is characterized in that this device also comprises:
The motor fixing seat (10) that is used for fixing said linear electric motors (9);
Be positioned at the said leading screw supporting seat (14) that disappears crack nut (13) right side and link to each other with said leading screw (12).
3. the automatic cone lid arrangement that is applicable to the large photoelectric transit according to claim 2 is characterized in that said stop means comprises:
The left limit device (17) that links to each other with said motor fixing seat (10);
The right limit device (18) that links to each other with said leading screw supporting seat (14).
4. the automatic cone lid arrangement that is applicable to the large photoelectric transit according to claim 2 is characterized in that said back up pad comprises:
First back up pad (11) that links to each other with said motor fixing seat (10), along the circumference uniform distribution of cone (1), quantity is three or four;
Second back up pad (15) that links to each other with said leading screw supporting seat (14), along the circumference uniform distribution of cone (1), quantity is three or four.
5. the automatic cone lid arrangement that is applicable to the large photoelectric transit according to claim 2 is characterized in that said linkage assembly is an axle with cone (1) center line, and along the circumference uniform distribution of cone (1), quantity is 6～8 groups; Comprise:
Be connected the first connecting rod (19) on the said motor fixing seat (10);
The second connecting rod (20) that links to each other with said first connecting rod (19) middle part;
The third connecting rod (21) that links to each other with said second connecting rod (20);
The 4th connecting rod (22) that links to each other with said third connecting rod (21) middle part;
Said first connecting rod (19) links to each other with said the 4th connecting rod (22) middle part;
Said the 4th connecting rod (22) is connected on the said crack nut (13) that disappears.
6. the automatic cone lid arrangement that is applicable to the large photoelectric transit according to claim 5 is characterized in that,
Being connected and all adopting said the 4th connecting rod (22) and said being connected of crack nut (13) that disappear revolute pair to connect of being connected of being connected of being connected of being connected of said first connecting rod (19) and said motor fixing seat (10), first connecting rod (19) and said second connecting rod (20), said second connecting rod (20) and said third connecting rod (21), said third connecting rod (21) and said the 4th connecting rod (22), said the 4th connecting rod (22) and said first connecting rod (19).
7. the automatic cone lid arrangement that is applicable to the large photoelectric transit according to claim 6 is characterized in that, said revolute pair connection realizes through deep groove ball bearing is set.
8. the automatic cone lid arrangement that is applicable to the large photoelectric transit according to claim 6 is characterized in that,
Said first connecting rod (19), second connecting rod (20), third connecting rod (21) and the 4th connecting rod (22) all adopt the square hollow aluminium alloy pipe to process.
9. the automatic cone lid arrangement that is applicable to the large photoelectric transit according to claim 8 is characterized in that,
The connecting rod cloth that said one deck is used for shading and waterproof is waterproof soft cloth (16), and waterproof soft cloth (16) covers first connecting rod in all linkage assemblys (19) outside, second connecting rod (20) outside and third connecting rod (21) outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102788621A CN102829773A (en) | 2012-08-07 | 2012-08-07 | Automatic lightproof cylinder cover device suitable for large-scale photoelectric theodolite |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102788621A CN102829773A (en) | 2012-08-07 | 2012-08-07 | Automatic lightproof cylinder cover device suitable for large-scale photoelectric theodolite |
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| Publication Number | Publication Date |
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| CN102829773A true CN102829773A (en) | 2012-12-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012102788621A Pending CN102829773A (en) | 2012-08-07 | 2012-08-07 | Automatic lightproof cylinder cover device suitable for large-scale photoelectric theodolite |
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| CN (1) | CN102829773A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105300346A (en) * | 2015-11-19 | 2016-02-03 | 中国工程物理研究院应用电子学研究所 | Full-automatic protector of photoelectric theodolite and control method thereof |
| CN105371817A (en) * | 2015-10-20 | 2016-03-02 | 中国科学院长春光学精密机械与物理研究所 | Limiting and buffering device for limiting continuous rotation of photoelectric theodolite rotating shaft system |
| CN105403193A (en) * | 2015-12-23 | 2016-03-16 | 中国科学院长春光学精密机械与物理研究所 | Large-diameter photoelectric theodolite lens barrel protective cover |
| WO2018095185A1 (en) * | 2016-11-24 | 2018-05-31 | 西安中兴新软件有限责任公司 | Control method for shading device, and shading device |
| CN110562809A (en) * | 2019-09-16 | 2019-12-13 | 西南交通大学 | Flexible photovoltaic film storage device |
| CN113341533A (en) * | 2021-07-01 | 2021-09-03 | 中国科学院长春光学精密机械与物理研究所 | Large-angle coaxial flexible hinge support quick reflector device |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105371817A (en) * | 2015-10-20 | 2016-03-02 | 中国科学院长春光学精密机械与物理研究所 | Limiting and buffering device for limiting continuous rotation of photoelectric theodolite rotating shaft system |
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| WO2018095185A1 (en) * | 2016-11-24 | 2018-05-31 | 西安中兴新软件有限责任公司 | Control method for shading device, and shading device |
| CN110562809A (en) * | 2019-09-16 | 2019-12-13 | 西南交通大学 | Flexible photovoltaic film storage device |
| CN113341533A (en) * | 2021-07-01 | 2021-09-03 | 中国科学院长春光学精密机械与物理研究所 | Large-angle coaxial flexible hinge support quick reflector device |
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Application publication date: 20121219 |