CN100588935C - Five-axis test desk under high and low temperature environment - Google Patents
Five-axis test desk under high and low temperature environment Download PDFInfo
- Publication number
- CN100588935C CN100588935C CN200810018221A CN200810018221A CN100588935C CN 100588935 C CN100588935 C CN 100588935C CN 200810018221 A CN200810018221 A CN 200810018221A CN 200810018221 A CN200810018221 A CN 200810018221A CN 100588935 C CN100588935 C CN 100588935C
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- axle
- location
- register pin
- adjustment
- square chest
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Abstract
The invention discloses a five-axis testboard worked in high and low temperature environment, comprising a level X and Y axis positioning board arranged on a stander, a square chest arranged on the positioning board, a Z-axis device arrange in the square chest, a Z-axis adjusting and positioning structure arranged between the Z-axis device and the square chest, an alpha-axis adjusting and positioning structure arranged on the upper side surface of the Z-axis device, a beta-axis adjusting and positioning structure arranged on the alpha-axis adjusting and positioning structure and frock sheathedon the stander. All components of the invention, no matter support components or positioning components, are made from the same material. The testboard has the advantages of simple structure, convenient adjustment and operation, high test precision and low cost,besides, the positional error is in accordance with the request and satisfies the requirement for experimental measurement.
Description
Technical field
The invention belongs to the environmental testing technical field, relate to the five-axis test desk under a kind of high and low temperature environment.
Background technology
Superfighter is when flight, temperature can experience very big difference variation in its passenger cabin, often can reach ± about 50 ℃, this brings very big influence will for pilot's Helmet Initiated Pointing System, therefore pilot's Helmet Initiated Pointing System must be placed on when research and development and do thermocycling in the environmental test chamber, checking its stability and degree of accuracy under high and low temperature and normal temperature environment, the test temperature of environmental test chamber requires to be arranged on ± and 65 ℃.
Requirement to five-axis test desk under the high and low temperature environment is: behind the helmet that is installed, the tested helmet will be realized five degree of freedom in the space, i.e. three linear axis X, Y, Z and two rotation axis α, β, five axles respectively have the requirement of its straight-line displacement stroke or angular turn scope.Five axles cooperate realizes that several determine the position to the helmet in the space.The frock of photoelectronic collimating device is installed above test board, requires helmet photoelectricity alignment clamp when position that each is determined to aim at inductor on the helmet, judge and determine pilot's visual target with this.In order to isolate helmet aiming electro-optical system because the error that temperature effect is brought, require test board respectively in the resetting error under high and low temperature and the normal temperature environment all very little (each test point respectively will be under high and low temperature and normal temperature environment three times measure), also require test board weight lighter, because will often move into test board in the environmental test chamber.
Though the precision of present sensor can satisfy the test board bearing accuracy, all positions and angular transducer (comprising motor) nearly all can only be worked under normal temperature environment, therefore can not realize the accurate location of the helmet in the space by sensor.In addition because the linear expansion coefficient of metal is very big, in 20 ℃～100 ℃ scopes, be 0.000012 as the carbon steel linear expansion coefficient about, this bring great influence can for the positional precision and the repeated bearing accuracy of test board.Therefore study five method of testing under the condition of ± 65 ℃ of experimental enviroments and produce relevant apparatus and just become urgent demand.
Summary of the invention
The purpose of this invention is to provide the five-axis test desk under a kind of high and low temperature environment, having solved prior art does not have appropriate sensor under ± 65 ℃ of experimental enviroment conditions, and a because positional precision and the not enough difficult problem of repeated bearing accuracy that the polar expansion of metal causes.
The technical solution adopted in the present invention is, five-axis test desk under a kind of high and low temperature environment, comprise frame, frame is provided with the location-plate of the X-Y axle of level, location-plate is provided with square chest, and the Z shaft device is installed in square chest, is provided with the adjustment and the location structure of Z axle between Z shaft device and the square chest, the upper surface of Z shaft device is provided with the adjustment and the location structure of α axle, and α axial adjustment and location structure are provided with β axial adjustment and location structure; Frame is provided with frock.
The characteristics of five-axis test desk of the present invention also are,
Location-plate is provided with pilot hole, and each group of this pilot hole has two, and one is main pilot hole, and another is the auxiliary positioning hole.
The adjustment and the location structure of Z axle are, the inwall that is included in square chest is equipped with a pair of vertically disposed rolling guide, the Z axle of Z shaft device is installed in rolling guide, the Z axle can move up and down, the Z axle surface of Z shaft device is provided with the Z tooth bar vertically, the Z rack and pinion connects, and gear is connected with worm reducer, and worm reducer is connected with handwheel; Center, lower surface at the Z axle is provided with register pin a, and the base plate of square chest is provided with register pin b; A Z axle scale also is installed on the Z axle, and Z axle scale is provided with some location taper hole, is provided with register pin c at the sidewall of square chest.
The adjustment of α axle and location structure comprise rolling disc, and rolling disc is provided with the α axle, rolling disc be arranged on shaft collar above, rolling disc is connected with the upper end of Z shaft device with the coaxial installation of shaft collar, shaft collar; Also be provided with register pin d on the rolling disc, shaft collar is provided with the location taper hole of making according to the α angle coordinate accordingly.
The adjustment and the location structure of β axle be, also is provided with two risers on rolling disc, and rotating β axle is installed between two risers; Two disks are installed on the riser of a side, one is fixed disc, be connected with this cant board, fixed disc is provided with the location taper hole of making according to the β angle coordinate, another disk is a rotary disk, rotary disk and the coaxial setting of fixed disc are provided with register pin e above the rotary disk, rotary disk is connected with the β axle is coaxial; The β axle is provided with a mounting platform.
Register pin all adopts the register pin mode of pull-type to locate.
Each is zero, the material of parts is identical.
The invention has the beneficial effects as follows simple in structurely, adjust and easy to operate that positioning error meets the requirements, measuring accuracy height, cost of manufacture are low.
Description of drawings
Fig. 1 is the general structure synoptic diagram of test board of the present invention;
Fig. 2 is the partial structurtes synoptic diagram of test board of the present invention, and wherein, a is the connection diagram of adjustment of Z shaft device and location structure, and b is the synoptic diagram that is located by connecting of Z shaft device and square chest 3, and c is the adjustment of α axle and β shaft portion and the connection diagram of location structure.
Among the figure, 1. frame, 2. location-plate, 3.Z shaft device, 4. α axle, 5. β axle, 6. frock, 7.Z axle, 8. rolling guide, 9. tooth bar, 10. handwheel, 11. worm reducers, 12. gear, 13. register pin a, 14. register pin b, 15.Z axle scale, 16. register pin c, 17. shaft collars, 18. rolling discs, 19. register pin d, 20. fixed disc, 21. rotary disks, 22. register pin e, 23. mounting platforms.
Embodiment
The present invention is described in detail below in conjunction with the drawings and specific embodiments.
As shown in Figure 1, the general structure of test board of the present invention is, comprise frame 1, frame 1 is provided with the X-Y axle location-plate 2 of level, location-plate 2 is provided with square chest 3, and the Z shaft device is installed in square chest 3, is provided with Z axial adjustment and location structure between Z shaft device and the square chest 3, the upper surface of Z shaft device is provided with the adjustment and the location structure of α axle 4, and the adjustment of α axle 4 and location structure are provided with the adjustment and the location structure of β axle 5; Frame 1 is provided with the frock 6 corresponding to the photoelectronic collimating device.
The X-Y axial coordinate is arranged on a location-plate 2 and realizes, produce tapered pilot hole according to X-Y axle test coordinated system on the location-plate 2, each group of this pilot hole has two, one is main pilot hole, another is the auxiliary positioning hole, with the X-Y axle that guarantees on location-plate 2 to set up and the orthogonality of α axle 4 and β axle 5.
In the measurement of Helmet Initiated Pointing System, to the test essence of system is to want test target relative position in designated space, rather than absolute position, even the test space varies with temperature and proportional variation, but the constant requirement that can satisfy proving installation of the relative position of measurand in designated space, therefore each parts of test board of the present invention use all with a kind of metal material and make, so that the linear expansion coefficient unanimity.
Shown in Fig. 2 a, be the Z shaft device adjustment of the embodiment of the invention and the connection diagram of location structure.Inwall at square chest 3 is equipped with a pair of vertically disposed rolling guide 8, the Z axle 7 of the column type of Z shaft device is installed in rolling guide 8, Z axle 7 can move up and down, Z axle 7 surfaces of Z shaft device are provided with tooth bar 9 vertically, tooth bar 9 is connected with gear 12, the transmission shaft at gear 12 places is connected with worm reducer 11, and worm reducer 11 is connected with handwheel 10; Center, lower surface at Z axle 7 is provided with register pin a13, and the base plate of square chest 3 is provided with the register pin b14 of pull-type.
Shake worm reducer 11 (being attached to square chest 3 outsides) by handwheel 10, drive tooth bar 9 by gear 12 (being attached in the square chest 3) and move, move up and down thereby drive Z axle 7.Along with moving down of Z axle 7, the main pilot hole that register pin a13 inserts on the X-Y location-plate 2 carries out the X-Y location; Register pin b14 inserts the auxiliary positioning hole on the X-Y location-plate 2, has realized the orthogonality of X-Y axle and α axle 4 and β axle 5.Z axle 7 can guarantee that the helmet sample of testing is positioned at the highest point of Z shaft device always, has guaranteed that light or circuit ray can not be blocked.
Shown in Fig. 2 b, be the Z shaft device of the embodiment of the invention and the synoptic diagram that is located by connecting of square chest 3.Also be installed with a Z axle scale 15 on Z axle 7, Z axle scale 15 is provided with some location taper hole, is equipped with register pin c16 at the sidewall of square chest 3.
During use, earlier register pin c16 is extracted, when treating that location taper hole on the Z axle scale 15 moves on to appointed positions, depress register pin c16, pinning Z axle scale 15, the location up and down that can realize Z axle 7.
Shown in Fig. 2 c, be α axle and the adjustment of β axle and the connection diagram of location structure of the embodiment of the invention.Be connected with the adjustment and the location structure of α axle in the upper end of Z shaft device, comprise shaft collar 17, be provided with the rolling disc 18 that can horizontally rotate above the shaft collar 17, rolling disc 18 and shaft collar 17 coaxial installations, rolling disc 18 is provided with α axle 4, also be provided with register pin d19 on the rolling disc 18, shaft collar 17 is provided with the location taper hole of making according to the α angle coordinate accordingly, and register pin d19 can realize the positioning action of the α axle 4 of rolling disc 18 on shaft collar 17;
On rolling disc 18, also be provided with the adjustment and the location structure of β axle, comprise two risers that are arranged on the rolling disc 18, between two risers vertically rotating β axle 5 is installed, β axle 5 is provided with a mounting platform 23, and the center O point of mounting platform 23 is the initial point of X-Y-Z axle, and two disks are installed on the riser of a side, one is fixed disc 20, be connected with this cant board, can not rotate, the location taper hole of making according to the β angle coordinate is arranged on the fixed disc 20; Another disk is a rotary disk 21, and rotary disk 21 and fixed disc 20 coaxial settings are equipped with register pin e22 above the rotary disk 21, rotary disk 21 and 5 coaxial connections of β axle.When register pin e22 inserts certain location taper hole on the fixed disc 20, can realize the angle orientation of β axle 5.
All register pins of the present invention all adopt pull-type register pin mode to locate.
The positioning principle of apparatus of the present invention is: the initial point that is positioned at X-Y axial plane location-plate 2 when Z axle 7, and when Z axle scale 15 is positioned at Z axle 7 initial points, the center O point of the mounting platform 23 on the β axle 5 is the initial point of X-Y-Z axle, secondly can realize the adjustment and the location of α axle 4 and β axle 5 by the rotation of α axle 4 and β axle 5.Above the device that comprises five axles, be provided with crossbeam one, the frock 6 of laying the photoelectronic collimating device is arranged above, it and five shaft devices have formed complete, a specific test space jointly, no matter this space still dwindles along with the temperature difference expands, and the relative position of its inner any point is constant.
The test essence of under high and low temperature environment Helmet Initiated Pointing System being carried out is carried out in a sealing, specific space, so the present invention uses with a kind of metal material, and it is feasible to avoid because of the significant errors that linear expansion coefficient brings test being become; Device of the present invention does not use any sensor by using metal material as setting element fully, reaches the accuracy requirement of device with conventional manufacturing means, has solved a difficult problem that does not have appropriate sensor; Designed device utilizes common materials to make, and is feasible economically, also reaches desired design accuracy on present manufacture level easily.
The test board of present embodiment is simple in structure, adjusts and easy to operate, and the positioning error on 3 linear axis is ± 0.02mm that 2 rotation axis corner positioning errors are ± 30 ", satisfied the needs of experiment measuring fully.
Claims (4)
1, five-axis test desk under a kind of high and low temperature environment, it is characterized in that: comprise frame (1), frame (1) is provided with the location-plate (2) of level, location-plate (2) is provided with the pilot hole of making according to X-axis one Y-axis test coordinate, location-plate (2) is provided with square chest (3), vertical Z axle (7) is installed in square chest (3), be provided with the adjustment and the location structure of Z axle (7) between Z axle (7) and the square chest (3), Z axle (7) can vertically move, the upper surface of Z axle (7) is provided with the adjustment and the location structure of α axle (4), realize the rotation of α axle (4), the adjustment of α axle (4) and location structure are provided with the adjustment and the location structure of β axle (5), realize the rotation of β axle (5); Be provided with frock (6) in the upper end of frame (1);
The adjustment and the location structure of described Z axle (7) are, inwall at square chest (3) is equipped with a pair of vertically disposed rolling guide (8), the Z axle (7) of column type is installed in rolling guide (8), Z axle (7) surface is provided with tooth bar (9) vertically, tooth bar (9) is connected with gear (12), the transmission shaft of gear (12) is connected with worm reducer (11), worm reducer (11) is connected with handwheel (10), be provided with register pin a (13) at the center, lower surface of Z axle (7), the base plate of square chest (3) is provided with register pin b (14), and each group of described pilot hole has two, and one is main pilot hole, another is the auxiliary positioning hole, register pin
Insert main pilot hole, register pin
Insert the auxiliary positioning hole;
The adjustment and the location structure of described α axle (4) are, comprise rolling disc (18), rolling disc (18) is provided with α axle (4), rolling disc (18) be arranged on shaft collar (17) above, rolling disc (18) is connected with the upper end of Z axle (7) with the coaxial installation of shaft collar (17), shaft collar (17); Also be provided with register pin d (19) on the rolling disc (18), shaft collar (17) is provided with the location taper hole of making according to the α angle coordinate accordingly;
The adjustment and the location structure of described β axle (5) be, also is provided with two risers on rolling disc (18), between these two risers rotating β axle (5) is installed; Two disks are installed on the riser of a side, one is fixed disc (20), is connected with this cant board, and fixed disc (20) is provided with the location taper hole of making according to the β angle coordinate, another disk is rotary disk (21), rotary disk (21) and the coaxial setting of fixed disc (20); Be provided with register pin e (22) above the rotary disk (21), rotary disk (21) and coaxial connection of β axle (5);
β axle (5) is provided with a mounting platform (23).
2, test board according to claim 1 is characterized in that: a Z axle scale (15) also is installed on the described Z axle (7), and Z axle scale (15) is provided with some location taper hole, is provided with register pin c (16) at the sidewall of square chest (3).
3, test board according to claim 1 is characterized in that: described register pin all adopts the register pin mode of pull-type to locate.
4, test board according to claim 1 is characterized in that: described each material zero, parts is identical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810018221A CN100588935C (en) | 2008-05-16 | 2008-05-16 | Five-axis test desk under high and low temperature environment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810018221A CN100588935C (en) | 2008-05-16 | 2008-05-16 | Five-axis test desk under high and low temperature environment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101281090A CN101281090A (en) | 2008-10-08 |
| CN100588935C true CN100588935C (en) | 2010-02-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200810018221A Expired - Fee Related CN100588935C (en) | 2008-05-16 | 2008-05-16 | Five-axis test desk under high and low temperature environment |
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| Country | Link |
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| CN (1) | CN100588935C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103115591A (en) * | 2013-01-18 | 2013-05-22 | 中国民航科学技术研究院 | Test device for testing freight X-ray safety inspection equipment |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103487316B (en) * | 2013-09-18 | 2015-10-28 | 浙江工业大学 | Armature-moment-testing device under a kind of hot vacuum environment |
| CN104634560A (en) * | 2015-02-04 | 2015-05-20 | 吴中经济技术开发区越溪斯特拉机械厂 | Vertical driving mechanism for slide rail testing machine |
| CN104614168A (en) * | 2015-02-04 | 2015-05-13 | 吴中经济技术开发区越溪斯特拉机械厂 | Slide rail testing machine |
| CN106353612B (en) * | 2015-07-20 | 2023-08-11 | 迈特通信设备（苏州）有限公司 | Duplexer test fixture |
| CN105822738A (en) * | 2016-06-13 | 2016-08-03 | 沈阳飞机工业（集团）有限公司 | Rack type transmission positioner and use method |
| CN116697855B (en) * | 2023-08-07 | 2023-10-20 | 吉林交通职业技术学院 | Head-display eyepiece measuring system and measuring method thereof |
-
2008
- 2008-05-16 CN CN200810018221A patent/CN100588935C/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103115591A (en) * | 2013-01-18 | 2013-05-22 | 中国民航科学技术研究院 | Test device for testing freight X-ray safety inspection equipment |
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|---|---|
| CN101281090A (en) | 2008-10-08 |
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Granted publication date: 20100210 Termination date: 20120516 |