CN204895887U - Small -bore stabilized platform - Google Patents
Small -bore stabilized platform Download PDFInfo
- Publication number
- CN204895887U CN204895887U CN201520632751.5U CN201520632751U CN204895887U CN 204895887 U CN204895887 U CN 204895887U CN 201520632751 U CN201520632751 U CN 201520632751U CN 204895887 U CN204895887 U CN 204895887U
- Authority
- CN
- China
- Prior art keywords
- small
- pull bar
- motor
- gimbal table
- bore
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Accessories Of Cameras (AREA)
Abstract
The utility model belongs to the technical field of the precision machinery technology and specifically relates to a small -bore stabilized platform is related to, including the rotatory shafting of platform body, first rotatory shafting and second, first rotatory shafting includes gimbal mount and link mechanism, the gimbal mount with the platform body is articulated, link mechanism sets up on the platform body, be used for ordering about rotary motion is to the gimbal mount, the rotatory shafting setting of second is in on the gimbal mount. The utility model discloses a link mechanism has abandoned traditional top measuring mechanism to move on to the rear of plane of rotation with link mechanism, realize the moment transmission through link mechanism, thereby make the gimbal mount be rotary motion, because the execution unit with first rotatory shafting, link mechanism moves the rear of plane of rotation promptly, stays more configuration spaces can for photoelectricity load to can solve the optical lens bore of photoelectricity load and the problem that detector subassembly volume received the external dimensions restriction.
Description
Technical field
The utility model relates to precision machinery technology field, especially relates to a kind of small-bore stable platform.
Background technology
In order to obtain image clearly on motion carrier, realizing the stable of boresight, often needing the line-of-sight stabilization being realized O-E Payload by gyrostabilized platform.
Gyrostabilized platform is the device utilizing gyroscope characteristic to keep the stage body azimuth stabilization of platform, it is a kind of frame mode built to meet system inertia spatial stability, be used for measuring motion carrier attitude, and set up reference frame for measuring carrier linear acceleration, or some equipment in stable carrier.It is the guidance system on guided missile, spacecraft, aircraft and naval vessel etc. and the main device of inertial navigation system.
The principle of work of gyrostabilized platform is, is obtained the inertia cireular frequency of optical axis rotation by gyro, then by resolving, controls motor output torque to cireular frequency opposite sense, makes optical axis remain on inertial space and stablizes.But, traditional gyrostabilized platform majority is uni-frame construction, namely motor, gyro to measure mechanism, O-E Payload are in same plane, when the outside dimension of whole system is restricted time, motor and gyro to measure can tie up the space of O-E Payload, make the bore of O-E Payload also be subject to outside dimension restriction.
Utility model content
The purpose of this utility model is to provide a kind of small-bore stable platform, with solve that the outside dimension when whole system that exists in prior art is restricted time, motor and gyro to measure can tie up the space of O-E Payload, make the optical lens bore of O-E Payload and detector assembly volume be subject to the technical matters of outside dimension restriction.
The small-bore stable platform of the one that the utility model provides, comprises platform body, the first rotary axis and the second rotary axis; Described first rotary axis comprises gimbal table and connecting rod mechanism; Described gimbal table and described platform body hinged; Described connecting rod mechanism is arranged on described platform body, rotates for ordering about described gimbal table; Described second rotary axis is arranged on described gimbal table.
Further, described first rotary axis is pitch axis system, and described second rotary axis is azimuth axle.
Further, described second rotary axis comprises load pedestal, described load pedestal and described gimbal table hinged; Described gimbal table being provided with the second motor, rotating for driving described load pedestal.
Further, described connecting rod mechanism comprises pull bar and the first motor; Described first motor is fixed on described platform body; Described first motor is used for ordering about described pull bar and moves back and forth, and drives described gimbal table to rotate by described pull bar.
Further, described connecting rod mechanism also comprises rocking arm, and the quantity of described pull bar is two; First end and the described gimbal table of described pull bar are hinged, second end of described pull bar is connected by the rotating shaft of described rocking arm with described first motor, wherein, described rocking arm is fixedly connected with the rotating shaft of described first motor, and the second end and the described rocking arm of described pull bar are hinged.
Further, also comprise O-E Payload, described O-E Payload is fixed on described load pedestal.
Further, described gimbal table by angular contact ball bearing and described platform body hinged, can reduce friction square like this, can bear radial and axial load simultaneously, and specifically have high compared with high running accuracy, noise is little.
Further, described load pedestal by angular contact ball bearing and described gimbal table hinged, can reduce friction square like this, can bear radial and axial load simultaneously, and specifically have high compared with high running accuracy, noise is little.
Further, described pull bar first end by angular contact ball bearing and described gimbal table hinged; Second end of described pull bar by angular contact ball bearing and described rocking arm hinged.
Further, described first motor is torque motor.By the crank motion adopting torque motor to control pull bar, the weight of small-bore stable platform can be reduced, and fast response time, positioning precision is high, advantage accurately of moving; In addition, torque motor also has low speed and the characteristic of large torque.
Compared with prior art, the beneficial effects of the utility model are:
The small-bore stable platform that the utility model provides, comprises platform body, the first rotary axis and the second rotary axis; Described first rotary axis comprises gimbal table and connecting rod mechanism; Described gimbal table and described platform body hinged; Described connecting rod mechanism is arranged on described platform body, rotates for ordering about described gimbal table; Described second rotary axis is arranged on described gimbal table.The utility model adopts connecting rod mechanism, has abandoned traditional gyro to measure mechanism, and connecting rod mechanism has been moved on to the rear of plane of rotation, realized moment transmission, thus gimbal table is rotated by connecting rod mechanism; Due to the execution part by the first rotary axis, namely connecting rod mechanism moves to the rear of plane of rotation, more configuration space can be left to O-E Payload, thus the problem that the optical lens bore of O-E Payload and detector assembly volume are subject to outside dimension restriction can be solved.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model detailed description of the invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in detailed description of the invention or description of the prior art below, apparently, accompanying drawing in the following describes is embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 does not install the structural representation of O-E Payload for small-bore stable platform that the utility model embodiment provides;
Fig. 2 is the front view of Fig. 1;
The structural representation of the small-bore stable platform installation O-E Payload that Fig. 3 provides for the utility model embodiment.
Reference numeral:
101-platform body; 102-gimbal table; 103-load pedestal;
104-pull bar; 105-first motor; 106-rocking arm;
107-link rod; 108-O-E Payload.
Detailed description of the invention
Be clearly and completely described the technical solution of the utility model below in conjunction with accompanying drawing, obviously, described embodiment is the utility model part embodiment, instead of whole embodiments.The assembly of the utility model embodiment describing and demonstrate in usual accompanying drawing herein can be arranged with various different configuration and design.Therefore, below to the detailed description of the embodiment of the present utility model provided in the accompanying drawings and the claimed scope of the present utility model of not intended to be limiting, but selected embodiment of the present utility model is only represented.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
In description of the present utility model, it should be noted that, orientation or the position relationship of the instruction such as term " " center ", " on ", D score, "left", "right", " vertically ", " level ", " interior ", " outward " they be based on orientation shown in the drawings or position relationship; be only the utility model and simplified characterization for convenience of description; instead of instruction or imply the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.In addition, term " first ", " second ", " the 3rd " only for describing object, and can not be interpreted as instruction or hint relative importance.
In description of the present utility model, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, particular case the concrete meaning of above-mentioned term in the utility model can be understood.
Embodiment
In order to obtain image clearly on motion carrier, realizing the stable of boresight, often needing the line-of-sight stabilization being realized O-E Payload by gyrostabilized platform.The principle of work of gyrostabilized platform is, is obtained the inertia cireular frequency of optical axis rotation by gyro, then by resolving, controls motor output torque to cireular frequency opposite sense, makes optical axis remain on inertial space and stablizes.But, traditional gyrostabilized platform majority is uni-frame construction, namely motor, gyro to measure mechanism, O-E Payload are in same plane, when the outside dimension of whole system is restricted time, motor and gyro to measure can tie up the space of O-E Payload, the bore of O-E Payload is made also to be subject to outside dimension restriction, Given this, the utility model embodiment provides a kind of small-bore stable platform, see shown in Fig. 1 to 3, small-bore stable platform comprises platform body 101, first rotary axis and the second rotary axis; First rotary axis comprises gimbal table 102 and connecting rod mechanism; Gimbal table 102 is hinged with platform body 101; Connecting rod mechanism is arranged on platform body 101, rotates for ordering about gimbal table 102; Second rotary axis is arranged on gimbal table 102.The utility model adopts connecting rod mechanism, has abandoned traditional gyro to measure mechanism, and connecting rod mechanism has been moved on to the rear of plane of rotation, realized moment transmission by connecting rod mechanism, thus gimbal table 102 is rotated; Due to the execution part by the first rotary axis, namely connecting rod mechanism moves to the rear of plane of rotation, leave more configuration space can to O-E Payload 108, thus the problem that the optical lens bore of O-E Payload 108 and detector assembly volume are subject to outside dimension restriction can be solved.
In the present embodiment, the first rotary axis is pitch axis system, that is, in the first rotary axis, gimbal table by rotating, to realize the change of the pitch angle of gimbal table.
In the present embodiment, gimbal table 102 by angular contact ball bearing and platform body 101 hinged.That is, the axis of revolution between gimbal table 102 and platform body 101 as pitch axis, gimbal table 102 around pitch axes, for changing the pitch angle of gimbal table 102; Between gimbal table 102 and platform body 101 by angular contact bearing hinged, can reduce friction square, can bear radial and axial load simultaneously, and specifically have high compared with high running accuracy, noise is little.Higher centering precision and axial location can be ensured additionally by angular contact bearing, thus reduce gimbal table 102 when pitch axis rotates, the error produced, thus the stability improving small-bore stable platform entirety.
In the present embodiment, the second rotary axis comprises load pedestal 103, and load pedestal 103 is hinged with gimbal table 102; Gimbal table 102 being provided with the second motor (not shown), rotating for driving load pedestal 103; Second rotary axis is azimuth axle, that is, in the second rotary axis, load pedestal by rotating, to realize azimuthal change of load pedestal.Specifically, the axis of revolution between load pedestal 103 and gimbal table 102 is as azimuth axis, and the second motor drives load pedestal 103 to rotate, for the azimuth to change load pedestal 103 self around azimuth axis.
In the present embodiment, load pedestal 103 by angular contact ball bearing and gimbal table 102 hinged; So that the installation of O-E Payload 108, but also the fine setting of the position to O-E Payload 108 can be convenient to, to ensure normal use by load pedestal 103.Additionally by load pedestal 103, all kinds O-E Payload 108 can be installed, improve the commonality of use; When avoiding replacing O-E Payload 108, need the O-E Payload 108 customizing model, the inconvenience brought.Between load pedestal 103 and gimbal table 102 by angular contact bearing hinged, can reduce friction square, can bear radial and axial load simultaneously, and specifically have high compared with high running accuracy, noise is little.Higher centering precision and axial location can be ensured additionally by angular contact bearing, thus reduce load pedestal 103 when azimuth axis rotates, the error produced, thus the stability improving small-bore stable platform entirety.
In the present embodiment, small-bore stable platform also comprises O-E Payload 108, and O-E Payload 108 is fixed on load pedestal 103.O-E Payload 108 can be various required types, because connecting rod mechanism is arranged at the rear of plane of rotation, thus when selecting O-E Payload 108, can have and more selecting space.The radical function of O-E Payload 108 implements remote sensing and measurement with opto-electronic pickup, to search for or to detect interested target, and with certain precision to target positioning, realizes remote sensing or measure integration.
See shown in Fig. 1 to 3, in the present embodiment, connecting rod mechanism comprises pull bar 104 and the first motor 105; First motor 105 is fixed on platform body 101; First motor 105 moves back and forth for ordering about pull bar 104, gimbal table 102 is driven to rotate by pull bar 104, that is, the crank motion of pull bar 104 is driven by the rotation forward or backwards of the rotating shaft of the first motor 105, the crank motion of pull bar 104, thus drive gimbal table 102 to rotate, to change the pitch angle of gimbal table.
In the present embodiment, the first motor 105 is torque motor.By the crank motion adopting torque motor to control pull bar 104, the weight of small-bore stable platform can be reduced, and fast response time, positioning precision is high, advantage accurately of moving; In addition, torque motor also has low speed and the characteristic of large torque.
See shown in Fig. 1 to 3, in the present embodiment, connecting rod mechanism also comprises rocking arm 106, and the quantity of pull bar 104 is two; First end and the gimbal table 102 of pull bar 104 are hinged, and the second end of pull bar 104 is connected with the rotating shaft of the first motor 105 by rocking arm 106, and wherein, rocking arm 106 is fixedly connected with the rotating shaft of the first motor 105, and the second end and the rocking arm 106 of pull bar 104 are hinged.Like this, two pull bars 104, gimbal table 102 and rocking arms 106 form the kinematic pair of a parallelogram, drive gimbal table 102 to rotate.Specifically, pull bar 104 first end by angular contact ball bearing and gimbal table 102 hinged; Second end of pull bar 104 by angular contact ball bearing and rocking arm 106 hinged; The first end of pull bar 104 is all connected by angular contact ball bearing with the second end, can reduce the disturbance torque caused by the transmission of pull bar 104.
See shown in Fig. 1 to 3, in the present embodiment, rocking arm 106 comprises three link rods 107; Three link rods 107 connect successively, and form a closed triangle, this triangle is an equicrural triangle; The rotating shaft of the first motor 105 is arranged on one of them point of connection, and the second end of two pull bars 104 is separately positioned on two other point of connection.More easily accurately can control gimbal table 102 by the profile design of rocking arm 106 being become equicrural triangle and arranging two pull bars 104, order about gimbal table 102 and rotate.It should be noted that, in the present embodiment, rocking arm 106 structure is not limited to the scheme of the present embodiment, for driving the motion of two pull bars 104; The shape of rocking arm 106 is not limited to triangle, also can be circle, ellipse, also freely can choose other shape according to actual conditions; Shape the present embodiment for other no longer specifically repeats one by one.In addition, in the present embodiment, rocking arm can also adopt other technical scheme, and if rocking arm is a cross bar, the centre of cross bar and the rotating shaft of the first motor are fixed, and the two ends of cross bar are hinged with the second end of pull bar respectively.
It should be noted that, in the present embodiment, can also using the first rotary axis as azimuth axle, and using the second rotary axis as pitch axis system; In addition, between parts, the angular contact ball bearing adopted time hinged can also change the bearing of other type into, such as, and plain bearing.
Last it is noted that above each embodiment is only in order to illustrate the technical solution of the utility model, be not intended to limit; Although be described in detail the utility model with reference to foregoing embodiments, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein some or all of technical characteristic; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of each embodiment technical scheme of the utility model.
Claims (10)
1. a small-bore stable platform, is characterized in that, comprises platform body, the first rotary axis and the second rotary axis; Described first rotary axis comprises gimbal table and connecting rod mechanism; Described gimbal table and described platform body hinged; Described connecting rod mechanism is arranged on described platform body, rotates for ordering about described gimbal table; Described second rotary axis is arranged on described gimbal table.
2. small-bore stable platform according to claim 1, is characterized in that, described first rotary axis is pitch axis system, and described second rotary axis is azimuth axle.
3. small-bore stable platform according to claim 2, is characterized in that, described second rotary axis comprises load pedestal, described load pedestal and described gimbal table hinged; Described gimbal table being provided with the second motor, rotating for driving described load pedestal.
4. the small-bore stable platform according to any one of claim 1-3, is characterized in that, described connecting rod mechanism comprises pull bar and the first motor; Described first motor is fixed on described platform body; Described first motor is used for ordering about described pull bar and moves back and forth, and drives described gimbal table to rotate by described pull bar.
5. small-bore stable platform according to claim 4, is characterized in that, described connecting rod mechanism also comprises rocking arm, and the quantity of described pull bar is two; First end and the described gimbal table of described pull bar are hinged, second end of described pull bar is connected by the rotating shaft of described rocking arm with described first motor, wherein, described rocking arm is fixedly connected with the rotating shaft of described first motor, and the second end and the described rocking arm of described pull bar are hinged.
6. small-bore stable platform according to claim 3, is characterized in that, also comprise O-E Payload, and described O-E Payload is fixed on described load pedestal.
7. the small-bore stable platform according to any one of claim 1-3, is characterized in that, described gimbal table by angular contact ball bearing and described platform body hinged.
8. small-bore stable platform according to claim 3, is characterized in that, described load pedestal by angular contact ball bearing and described gimbal table hinged.
9. small-bore stable platform according to claim 5, is characterized in that, the first end of described pull bar by angular contact ball bearing and described gimbal table hinged; Second end of described pull bar by angular contact ball bearing and described rocking arm hinged.
10. small-bore stable platform according to claim 4, is characterized in that, described first motor is torque motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520632751.5U CN204895887U (en) | 2015-08-20 | 2015-08-20 | Small -bore stabilized platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520632751.5U CN204895887U (en) | 2015-08-20 | 2015-08-20 | Small -bore stabilized platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204895887U true CN204895887U (en) | 2015-12-23 |
Family
ID=54918085
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520632751.5U Active CN204895887U (en) | 2015-08-20 | 2015-08-20 | Small -bore stabilized platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204895887U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108803672A (en) * | 2018-04-25 | 2018-11-13 | 武汉高德红外股份有限公司 | Photoelectric follow-up |
-
2015
- 2015-08-20 CN CN201520632751.5U patent/CN204895887U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108803672A (en) * | 2018-04-25 | 2018-11-13 | 武汉高德红外股份有限公司 | Photoelectric follow-up |
| CN108803672B (en) * | 2018-04-25 | 2021-12-14 | 武汉高德红外股份有限公司 | Photoelectric tracking system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2020093577A1 (en) | Laser scanning attitude angle stabilization method and apparatus for helicopter-borne lidar | |
| CN102278989B (en) | Multifunctional aerial remote sensing triaxial inertially stabilized platform system | |
| CN204028706U (en) | Multi-load vehicular photoelectric stable platform | |
| CN107329231B (en) | Adjustable reflector Bipod flexible supporting structure, supporting device and adjusting method thereof | |
| CN108006410B (en) | A kind of twin shaft indexing mechanism for Strapdown Inertial Navigation System location position | |
| CN202229764U (en) | Triaxial rotary table with dynamic stabilizing function | |
| CN101719700B (en) | Moment motor driving shafting module for inner frame of airborne photoelectric platform | |
| CN104828245A (en) | Aircraft | |
| CN105923168B (en) | Gyroplane flight simulation platform for airborne tripod head test | |
| CN104567874A (en) | Vehicle-mounted location and orientation and self-calibration device based on laser inertial navigator | |
| CN203147202U (en) | Novel photoelectric platform with roll stability | |
| CN106873645B (en) | Spherical gyro mechanism capable of conducting omnidirectional precession and control method | |
| CN106569205A (en) | Co-aperture infrared/radar composite seeker | |
| CN103386680B (en) | A kind of parallel two degrees of freedom indicator device | |
| CN107064909A (en) | A kind of laser radar directive property stabilizer and laser radar directive property systems stabilisation and a kind of compensation method of laser radar | |
| CN105281034A (en) | Miniature antenna servo apparatus | |
| CN112476454A (en) | Spherical robot with stable platform and capable of sensing outside | |
| CN102778233B (en) | Horizontal framework locking device of aerial remote sensing inertially stabilized platform | |
| CN204895887U (en) | Small -bore stabilized platform | |
| CN107168389B (en) | Two-dimensional ultra-high speed rotating platform | |
| CN207487688U (en) | A kind of certainly used group twin shaft indexing mechanism of aircraft three | |
| CN105508829A (en) | Two-shaft four-frame photoelectric platform inner frame mechanism | |
| CN106927066B (en) | A kind of five axis position markers | |
| CN107577249B (en) | Double-shaft transposition device for calibrating laser strapdown inertial measurement unit | |
| CN105242688A (en) | Vehicle-mounted photoelectric platform nested type intersecting shaft system structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |