CN203349801U - Three-freedom-degree space position detection mechanism - Google Patents
Three-freedom-degree space position detection mechanism Download PDFInfo
- Publication number
- CN203349801U CN203349801U CN 201320381747 CN201320381747U CN203349801U CN 203349801 U CN203349801 U CN 203349801U CN 201320381747 CN201320381747 CN 201320381747 CN 201320381747 U CN201320381747 U CN 201320381747U CN 203349801 U CN203349801 U CN 203349801U
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- moving platform
- platform
- connecting rod
- space position
- position detection
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Abstract
The utility model belongs to the space position detection device and particularly relates to a three-freedom-degree space position detection mechanism. The three-freedom-degree space position detection mechanism comprises a fixed platform and a moving platform, wherein three branch chains are uniformly arranged between the fixed platform and the moving platform, the fixed platform and the moving platform are constantly parallel, three displacement sensors are further arranged between the fixed platform and the moving platform, the three displacement sensors are not parallel with each other, two ends of each displacement sensor are respectively connected with the fixed platform and the moving platform through spherical hinge, and a central portion of the moving platform is provided with a connection mechanism connected with a part to be tested. The space position detection mechanism employs the displacement sensors to carry out detection. The space position detection mechanism has properties of simple structure, low manufacturing cost, high manufacturing precision, easy assembly, convenient and fast calibration and relatively good market prospects.
Description
Technical field
The utility model belongs to the locus pick-up unit, particularly a kind of three-dimensional space position detecting mechanism.
Background technology
During object of which movement, displacement has occurred in the locus of object, and in order to detect the variable quantity of displacement, people have designed many position detecting devices.
The patented claim of notification number CN100570397: locus detection system and detection method thereof, it discloses a kind of ultrasonic transmitter that has, ultrasonic receiving device, the optical synchronous signal device, data handling system and data transmission structure form, it is by the cooperation of ultrasonic transmitter and ultrasonic receiving device, measure ultrasonic from ultrasonic transmitter to the difference each ultrasonic propagation transit time of accepting sensor, and then definite ultrasonic transmitter is to the distance of each ultrasonic receiver, calculation through simple solid geometry, thereby obtain the position of spatial point, it is detected by ultrasonic signal, in transmittance process, may be interfered, the precision that impact detects, need a plurality of parts in petition of appeal simultaneously, cost is higher.
In addition, method to position probing in prior art is exactly that the variation to locus is detected by 3-axis acceleration sensor, the price comparison costliness of one side 3-axis acceleration sensor, be converted on the other hand the variation of locus from the variation of acceleration, need to be through repeatedly computing, repeatedly computing exists error, accuracy of detection that certainly will impact position.
Summary of the invention
The utility model is for the deficiencies in the prior art, designed a kind of variation that adopts displacement transducer to detect the space displacement of optional position on moving platform, the utility model is simple in structure, the cost of all parts is low, the equipment purchasing cost is low, have market outlook preferably, the utility model only need just can obtain the changing condition of the locus of any point on moving platform by the reckoning of simple solid geometry simultaneously.
The utility model is achieved through the following technical solutions:
The three-dimensional space position detecting mechanism, it is characterized in that: comprise stationary platform, and moving platform, be provided with uniform three the identical side chains that are provided with between stationary platform and moving platform, stationary platform and moving platform parallel all the time, also be provided with three displacement transducers between described moving platform and stationary platform, not parallel in twos between described displacement transducer, the two ends of displacement transducer are connected with stationary platform with moving platform respectively by spherical hinge, and the center of described moving platform is provided with and to be measured the bindiny mechanism be connected.
The variation of the utility model by displacement transducer detects the variation of the displacement that moving platform spatially occurs, carry out simple solid geometry calculating according to the data of displacement transducer and just can obtain the variation of the locus of any point on moving platform, described locus is the displacement of moving platform in the XYZ direction, and in place move past in journey moving platform all the time with the stationary platform keeping parallelism.
Described side chain comprises first connecting rod, second connecting rod, one end of first connecting rod is connected with moving platform by Hooke's hinge, the other end is connected with second connecting rod by Hooke's hinge, the other end of second connecting rod is hinged and connected on stationary platform by bearing pin, side chain adopts the cooperation of Hooke's hinge and rotating hinge, effectively enlarge the inclination angle scope of moving platform, thereby enlarged the sensing range of this locus testing agency.
Described bindiny mechanism comprises the bearing seat be fixedly connected on moving platform, be connected with rotary screw shaft on bearing seat, be connected with the connecting rod that can regulate on screw shaft, the end of connecting rod is provided with the Hooke's hinge bearing be connected with to be measured, and the Hooke's hinge bearing is connected with connecting rod by the Hooke's hinge bearing pin; The bindiny mechanism arranged is convenient to be connected with other UUT, and the Hooke's hinge bearing is connected with to be measured simultaneously, can avoid the interference of the variation of measured piece attitude to position probing.
The utlity model has following beneficial effect:
The utility model has designed a kind of locus pick-up unit that adopts displacement transducer to be detected, by directly reading the variation of displacement transducer top offset amount, set up solid geometric pattern, just can obtain the variation of position on XYZ space of any point on moving platform by the conversion of simple space vector, element structure of the present utility model is simple, low cost of manufacture, manufacturing accuracy easily guarantees and assembles and demarcate convenient and swift, has market outlook preferably.
The accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
In figure, 1 is the Hooke's hinge bearing, and 2 is the Hooke's hinge bearing pin, and 3 is connecting rod, and 4 is screw shaft, and 5 is bearing seat, and 6 is moving platform, and 7 is first connecting rod, and 8 is displacement transducer, and 9 is second connecting rod, and 10 is the bearing pin hinge, and 11 is spherical hinge, and 12 is stationary platform.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described further.
Three-dimensional space position detecting mechanism as shown in Figure 1, it is characterized in that: comprise stationary platform 12, and moving platform 6, be provided with uniform three the identical side chains that are provided with between stationary platform 12 and moving platform 6, divide equally setting for 360 °, the edge along stationary platform herein, three identical side chains form a kind of 3-freedom parallel mechanism, stationary platform 12 and moving platform 6 parallel all the time, moving platform only has three translation freedoms, also be provided with three displacement transducers 8 between described moving platform 6 and stationary platform 12, not parallel in twos between described displacement transducer 8, the two ends of displacement transducer 8 are connected with stationary platform 12 with moving platform 6 respectively by spherical hinge 11, the center of described moving platform 6 is provided with and to be measured the bindiny mechanism be connected.
The variation of the utility model by displacement transducer detects the variation of the displacement that moving platform spatially occurs, carry out simple solid geometry calculating according to the data of displacement transducer and just can obtain the variation of the locus of any point on moving platform, described locus is the displacement of moving platform in the XYZ direction, and in place move past in journey moving platform all the time with the stationary platform keeping parallelism.
Described side chain comprises first connecting rod 7, second connecting rod 9, one end of first connecting rod 7 is connected with moving platform by Hooke's hinge, the other end is connected with second connecting rod 9 by Hooke's hinge, the other end of second connecting rod 9 cuts with scissors 10 by bearing pin and is connected on stationary platform, side chain adopts the cooperation of Hooke's hinge and rotating hinge, effectively enlarge the inclination angle scope of moving platform, thereby enlarged the sensing range of this locus testing agency.
Described bindiny mechanism comprises the bearing seat 5 be fixedly connected on moving platform, be connected with the screw shaft 4 that can swing on bearing seat 5, be connected with the connecting rod 3 that can regulate on screw shaft 4, the end of connecting rod 3 is provided with the Hooke's hinge bearing 1 be connected with to be measured, and Hooke's hinge bearing 1 is connected with connecting rod 3 by Hooke's hinge bearing pin 2; The bindiny mechanism arranged is convenient to be connected with other UUT, simultaneously the Hooke's hinge bearing with to be measured see be connected, can avoid the interference of the variation of measured piece attitude to position probing.
The utlity model has following beneficial effect:
The utility model has designed a kind of locus pick-up unit that adopts displacement transducer to be detected, by directly reading the variation of displacement transducer top offset amount, set up solid geometric pattern, just can obtain the variation of position on XYZ space of any point on moving platform by the conversion of simple space vector, element structure of the present utility model is simple, low cost of manufacture, manufacturing accuracy easily guarantees and assembles and demarcate convenient and swift, has market outlook preferably.
The utility model is not limited to described embodiment; those skilled in the art is not breaking away from spirit of the present utility model openly in scope; still can do some corrections or change, therefore the scope that rights protection scope of the present utility model limits with claims is as the criterion.
Claims (3)
1. three-dimensional space position detecting mechanism, it is characterized in that: comprise stationary platform, and moving platform, be provided with uniform three the identical side chains that are provided with between stationary platform and moving platform, stationary platform and moving platform parallel all the time, also be provided with three displacement transducers between described moving platform and stationary platform, not parallel in twos between described displacement transducer, the two ends of displacement transducer are connected with stationary platform with moving platform respectively by spherical hinge, and the center of described moving platform is provided with and to be measured the bindiny mechanism be connected.
2. three-dimensional space position detecting mechanism according to claim 1, it is characterized in that: described side chain comprises first connecting rod, second connecting rod, one end of first connecting rod is connected with moving platform by Hooke's hinge, the other end is connected with second connecting rod by Hooke's hinge, and the other end of second connecting rod is hinged and connected on stationary platform by bearing pin.
3. three-dimensional space position detecting mechanism according to claim 1, it is characterized in that: described bindiny mechanism comprises the bearing seat be fixedly connected on moving platform, be connected with rotary screw shaft on bearing seat, be connected with the connecting rod that can regulate on screw shaft, the end of connecting rod is provided with the Hooke's hinge bearing be connected with to be measured, and the Hooke's hinge bearing is connected with connecting rod by the Hooke's hinge bearing pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320381747 CN203349801U (en) | 2013-06-28 | 2013-06-28 | Three-freedom-degree space position detection mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320381747 CN203349801U (en) | 2013-06-28 | 2013-06-28 | Three-freedom-degree space position detection mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203349801U true CN203349801U (en) | 2013-12-18 |
Family
ID=49749692
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320381747 Expired - Lifetime CN203349801U (en) | 2013-06-28 | 2013-06-28 | Three-freedom-degree space position detection mechanism |
Country Status (1)
| Country | Link |
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| CN (1) | CN203349801U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103363937A (en) * | 2013-06-28 | 2013-10-23 | 朱留存 | Three-freedom-degree space position detecting mechanism |
| CN105116925A (en) * | 2015-07-29 | 2015-12-02 | 中国电子科技集团公司第五十四研究所 | Stewart platform parallel mechanism limiting measurement and control apparatus and measurement and control method thereof |
| CN105806297A (en) * | 2016-05-24 | 2016-07-27 | 吉林大学 | Three-axis angle measuring device |
-
2013
- 2013-06-28 CN CN 201320381747 patent/CN203349801U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103363937A (en) * | 2013-06-28 | 2013-10-23 | 朱留存 | Three-freedom-degree space position detecting mechanism |
| CN105116925A (en) * | 2015-07-29 | 2015-12-02 | 中国电子科技集团公司第五十四研究所 | Stewart platform parallel mechanism limiting measurement and control apparatus and measurement and control method thereof |
| CN105116925B (en) * | 2015-07-29 | 2017-11-14 | 中国电子科技集团公司第五十四研究所 | The spacing measure and control device and its investigating method of a kind of Stewart platform parallel mechanisms |
| CN105806297A (en) * | 2016-05-24 | 2016-07-27 | 吉林大学 | Three-axis angle measuring device |
| CN105806297B (en) * | 2016-05-24 | 2018-05-04 | 吉林大学 | Three axial angle measuring devices |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131218 |