CN211778800U - Automatic testing device for spherical rotating track - Google Patents
Automatic testing device for spherical rotating track Download PDFInfo
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- CN211778800U CN211778800U CN202020227629.0U CN202020227629U CN211778800U CN 211778800 U CN211778800 U CN 211778800U CN 202020227629 U CN202020227629 U CN 202020227629U CN 211778800 U CN211778800 U CN 211778800U
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Abstract
The utility model provides an automatic testing arrangement for spherical rotatory orbit. The automatic testing device for the spherical rotating track comprises: a bottom support unit; the swing track unit is arranged on the bottom supporting unit and comprises an arc-shaped rail and a rack, and the rack is arranged along the extending direction of the arc-shaped rail; the driving unit is supported on the arc-shaped rail and meshed with the rack through a gear; and the azimuth axis rotary table is movably arranged on the swinging track unit through the driving unit so as to move along the extending direction of the arc-shaped rail. The utility model provides an automatic testing arrangement low problem of measurement accuracy for spherical rotatory orbit among the prior art.
Description
Technical Field
The utility model relates to a many probes of sphere near field OTA test technical field particularly, relates to an automatic testing arrangement for spherical rotatory orbit.
Background
The existing automatic testing device for spherical rotating tracks generally adopts synchronous belt transmission, takes a servo motor as a power source to drive a synchronous wheel, and then drives the synchronous belt to run synchronously. The running of the synchronous belt pushes the azimuth axis turntable to do synchronous motion, thereby achieving the purpose of running along the direction of the toothed belt at a synchronous speed. The automatic testing device for the spherical rotating track is pulled by the synchronous belt to roll stably at a constant speed along the track. So as to realize the purpose of swinging along the track.
Influenced by the synchronous belt material, the existing automatic testing device for the spherical rotating track has low positioning precision, low running speed, limited pendulum angle, no overlarge effect and low load-carrying capacity. The driving synchronous wheel and the driven synchronous wheel are required to be matched, and the occupied space is large, so that the device is not suitable for compact equipment. And because the precision of the synchronous belt is poor, when the synchronous belt runs to a certain position, the acquisition of the data needs to be suspended, namely the data is acquired in a stepping mode.
From the above, the automatic testing device for the spherical rotation trajectory in the prior art has the problem of low testing precision.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a main aim at provides an automatic testing arrangement for spherical rotatory orbit to solve the problem that the automatic testing arrangement testing accuracy that is used for spherical rotatory orbit among the prior art is low.
In order to achieve the above object, the utility model provides an automatic testing arrangement for spherical rotatory orbit, include: a bottom support unit; the swing track unit is arranged on the bottom supporting unit and comprises an arc-shaped rail and a rack, and the rack is arranged along the extending direction of the arc-shaped rail; the driving unit is supported on the arc-shaped rail and meshed with the rack through a gear; and the azimuth axis rotary table is movably arranged on the swinging track unit through the driving unit so as to move along the extending direction of the arc-shaped rail.
Furthermore, the bottom support unit comprises a first side plate, a second side plate and a bottom plate, the first side plate and the second side plate are both vertically arranged on the bottom plate and are respectively positioned at a group of oppositely arranged edges of the bottom plate, the first side plate, the second side plate and the bottom plate are enclosed to form an accommodating concave portion, so that at least one part of the driving unit is accommodated in the accommodating concave portion, and the swing track unit is arranged on the first side plate and the second side plate.
Further, the gears include a main shaft gear and a sub shaft gear, and the main shaft gear and the sub shaft gear are symmetrically disposed and move in synchronization, and the driving unit includes: a drive motor; one end of the driving main shaft is connected with a main shaft gear, the main shaft gear is meshed with a rack, and the other end of the driving main shaft is connected with a driving motor; the driven shaft is connected with the driven shaft gear, and the driven shaft gear is meshed with the other rack; and two groups of guide wheels are respectively embedded in the two arc-shaped rails so as to enable the driving unit to move along the arc-shaped rails.
Furthermore, the azimuth axis rotary table comprises a rotating mechanism, a supporting arm and a rotary table top, equipment to be tested is fixed on the rotary table top, and the rotating mechanism drives the supporting arm to drive the rotary table top to rotate.
Further, the top of the first side plate and the top of the second side plate are provided with swing track units; and/or the arc-shaped rails are multiple, the racks are located on one side, facing the accommodating concave portion, of the first side plate or the second side plate, and the arc-shaped rails are located on one side, away from the accommodating concave portion, of the first side plate or the second side plate.
Furthermore, the top surface of the first side plate has a variable height in the extending direction of the edge of the bottom plate on the side where the top surface of the first side plate is located, and the first end of the top surface of the first side plate is higher than the second end of the top surface of the first side plate.
Further, the top surface of the first side plate is an arc surface, and the lowest point of the top surface of the first side plate is located between the first end of the top surface of the first side plate and the second end of the top surface of the first side plate.
Further, a first arc-shaped groove is formed in the inner side surface of the top of the first side plate and the inner side surface of the top of the second side plate, a second arc-shaped groove is formed in the inner side surface of the top of the first side plate and the inner side surface of the top of the second side plate, and the first arc-shaped groove and the second arc-shaped groove are used for installing and positioning the swing track unit.
Furthermore, the first arc-shaped groove is matched with the arc of the arc-shaped rail and is used for positioning and supporting the arc-shaped rail; and/or the second arc-shaped groove is matched with the arc of the rack and is used for positioning and supporting the rack.
Furthermore, two arc-shaped rails are arranged and are respectively arranged on the two first arc-shaped grooves; the two racks are respectively arranged on the two second arc-shaped grooves.
Further, the first side plate, the second side plate and the bottom plate are integrally formed; and/or the first side plate, the second side plate and the bottom plate are provided with lightening holes at intervals.
Furthermore, a plurality of lightening holes are formed in the first side plate, and the size of the lightening holes in the first side plate is gradually reduced from the edge of the first side plate to the middle of the first side plate; and/or the second side plate is provided with a plurality of lightening holes, and the size of the lightening holes on the second side plate is gradually reduced from the edge of the second side plate to the middle of the second side plate.
Further, the height of the arc-shaped rail is greater than that of the rack.
Further, the driving unit further comprises a tension wheel, and the tension wheel is located at the bottom of the driving unit and is located right below the gravity center of the driving unit.
Furthermore, the azimuth axis turntable is located above the driving main shaft of the driving unit, and the azimuth axis of the azimuth axis turntable is located right above the arc-shaped rail.
Use the technical scheme of the utility model, adopt the gear engagement cooperation, supporting arc rail, adopt servo motor drive, drive gear synchronous operation, gear shaft system drives azimuth axis revolving stage and moves along arc rail steady step, supporting arc rail and the rack of gear operation, make whole running gap low, be equipped with servo motor again, the position location is accurate, arc rail and the supporting use of rack, whole system's load capacity has both been increased, pendulum swing range has been increased again, the take-up pulley has improved whole system's operation precision, make the functioning speed no longer receive the precision constraint, the improvement of operation precision makes and to gather data in succession when azimuth axis revolving stage uniform velocity motion, the test speed has been improved.
Drawings
The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 shows a schematic structural diagram of an automated testing device for spherical rotation trajectory according to the present invention;
fig. 2 shows a schematic structural diagram of a bottom support unit of the automatic testing device for spherical rotation trajectory according to the present invention;
fig. 3 shows a schematic structural diagram of a wobble track unit of the automatic testing device for spherical rotation trajectory according to the present invention;
fig. 4 shows a schematic structural diagram of a driving unit of the automatic testing device for a spherical rotation track in the present invention;
fig. 5 shows a schematic structural diagram of an azimuth axis turntable of an automatic testing device for a spherical rotation track according to the present invention.
Wherein the figures include the following reference numerals:
10. a bottom support unit; 11. a first side plate; 12. a second side plate; 13. a base plate; 14. a first arc-shaped slot; 15. a second arc-shaped slot; 20. a swing rail unit; 21. an arc-shaped rail; 22. a rack; 30. a drive unit; 31. a drive motor; 32. driving the main shaft; 33. driving the driven shaft; 34. a guide wheel; 35. a main shaft gear; 36. a driven shaft gear; 37. a tension wheel; 40. an azimuth axis turntable; 41. a rotating mechanism; 42. a support arm; 43. a turntable table surface.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
It is noted that, unless otherwise indicated, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
In the present application, where the contrary is not intended, the use of directional words such as "upper, lower, top and bottom" is generally with respect to the orientation shown in the drawings, or with respect to the component itself in the vertical, perpendicular or gravitational direction; likewise, for ease of understanding and description, "inner and outer" refer to the inner and outer relative to the profile of the components themselves, but the above directional words are not intended to limit the invention.
In order to solve the problem that the automatic testing arrangement that is used for spherical rotatory orbit among the prior art measuring accuracy is low, the utility model provides an automatic testing arrangement for spherical rotatory orbit.
As shown in fig. 1 to 5, the automated testing apparatus for a spherical rotation trajectory includes a bottom support unit 10, a swing rail unit 20, a driving unit 30, and an azimuth axis turntable 40. The swing rail unit 20 is disposed on the bottom support unit 10, and the swing rail unit 20 includes an arc rail 21 and a rack 22, and the rack 22 is disposed along an extending direction of the arc rail 21. The drive unit 30 is supported on the arc-shaped rail 21, and the drive unit 30 is engaged with the rack 22 by a gear. The azimuth axis turntable 40 is movably disposed on the swing rail unit 20 by the driving unit 30 to move the azimuth axis turntable 40 in the extending direction of the arc rail 21.
The utility model discloses a gear engagement cooperation drives gear synchronous operation through drive unit 30, and gear shaft system drives azimuth axis revolving stage 40 and along the steady operation of arc rail 21, the supporting arc rail 21 of gear operation and rack 22 for whole running gap is low, and position location is accurate. The arc-shaped rail 21 and the rack 22 are matched for use, so that the load carrying capacity of the whole system is increased, and the swing range of the pendulum is increased.
The structure of each part will be explained below.
As shown in fig. 2, the bottom support unit 10 includes a first side plate 11, a second side plate 12, and a bottom plate 13. The first side plate 11 and the second side plate 12 are both vertically arranged on the bottom plate 13 and are respectively located at a set of oppositely arranged edges of the bottom plate 13, the first side plate 11, the second side plate 12 and the bottom plate 13 enclose an accommodating concave portion so that at least a part of the driving unit 30 is accommodated in the accommodating concave portion, and the swing rail unit 20 is arranged on the first side plate 11 and the second side plate 12.
Specifically, in this embodiment, the first side plate 11 and the second side plate 12 are perpendicular to the bottom plate 13.
Optionally, the first side plate 11 and the second side plate 12 are identical in shape and are symmetrically disposed with respect to the center of the bottom plate 13.
As shown in fig. 2, the top surface of the first side plate 11 has a height varying in the extending direction of the edge of the bottom plate 13 on the side thereof. And a first end of the top surface of the first side plate 11 is higher than a second end of the top surface of the first side plate 11. Specifically, the top surface of the first side plate 11 is a curved surface.
In the particular embodiment shown in fig. 2, the lowest point of the top surface of the first side plate 11 is located between the first end of the top surface of the first side plate 11 and the second end of the top surface of the first side plate 11.
In the particular embodiment shown in fig. 2, the first side plate 11 and the second side plate 12 are provided with a first arc-shaped slot 14 on the inside surface of the top; the outer side surfaces of the tops of the first side plate 11 and the second side plate 12 are provided with a second arc-shaped groove 15, and the first arc-shaped groove 14 and the second arc-shaped groove 15 are used for installing and positioning the swing rail unit 20.
Optionally, the first side plate 11, the second side plate 12 and the bottom plate 13 are integrally formed. Optionally, the material used for the first side plate 11, the second side plate 12 and the bottom plate 13 is cast aluminum, so that the bottom supporting unit 10 has sufficient structural strength to support the unit components disposed on the bottom supporting unit 10, and the service life of the above-mentioned automatic testing device for spherical rotation trajectory is increased.
As shown in fig. 2, the first side plate 11, the second side plate 12 and the bottom plate 13 are provided with lightening holes at intervals. The lightening holes can reduce the weight of the bottom support unit 10, save materials, and make the bottom support unit 10 beautiful in appearance. In the present embodiment, the lightening holes are round holes. Of course, the lightening holes can also be polygonal holes or elliptical holes. Furthermore, the shapes and/or sizes of the lightening holes on the first side plate 11, the second side plate 12 and the bottom plate 13 may be the same or different. And even the plurality of lightening holes on the first side plate 11 may be of various shapes or various sizes. Similarly, the second side plate 12 and the bottom plate 13 may be provided with lightening holes of different sizes and shapes.
In the embodiment shown in fig. 2, the first side plate 11 has a plurality of lightening holes, and the plurality of lightening holes are arranged in sequence along the extending direction of the top surface. Specifically, among the plurality of lightening holes, the lightening hole positioned in the middle is the smallest in size, and the lightening holes positioned on the two sides are the largest in size. That is, of the plurality of lightening holes, the size of the lightening hole is gradually reduced from the outer side to the middle.
As shown in fig. 3, the swing rail unit 20 includes an arc rail 21 and a rack 22. The first arc-shaped groove 14 is matched with the arc of the arc-shaped rail 21 and is used for positioning and supporting the arc-shaped rail 21; and the second arc-shaped groove 15 is matched with the arc of the rack 22 and is used for positioning and supporting the rack 22.
Specifically, the two arc rails 21 are respectively installed on the two first arc grooves 14. Two racks 22 are respectively installed on the two second arc-shaped grooves 15. The height of the curved rail 21 is greater than the height of the rack 22.
In this embodiment, the arc rail 21 and the rack 22 are quenched and passivated, so that the hardness of the arc rail 21 and the rack 22 is greatly enhanced, and the risk of generating a gap due to permanent friction is reduced. The arc-shaped rail 21 and the rack 22 have enough rigidity to increase the load capacity of the automatic testing device for the spherical rotating track, so that the load capacity of the automatic testing device for the spherical rotating track reaches 20 kilograms.
In addition, the arc-shaped rail 21 and the rack 22 can be used together, so that the swing range of the pendulum can be increased to +/-11.5 degrees, and the positioning accuracy is improved to +/-0.05 degrees.
As shown in fig. 4, the gears include a main shaft gear 35 and a driven shaft gear 36, and the main shaft gear 35 and the driven shaft gear 36 are symmetrically disposed and move synchronously, and the driving unit 30 includes a driving motor 31, a driving main shaft 32, a driving driven shaft 33, and a guide wheel 34. One end of the driving spindle 32 is connected to a spindle gear 35, the spindle gear 35 is engaged with one rack 22, and the other end of the driving spindle 32 is connected to the driving motor 31. The driven shaft 33 is connected to a driven shaft gear 36, and the driven shaft gear 36 is engaged with the other rack 22. Two sets of guide wheels 34 are respectively embedded in the two arc-shaped rails 21 to move the driving unit 30 along the arc-shaped rails 21.
The main shaft gear 35 and the driven shaft gear 36 of the driving unit 30 are respectively engaged with the two racks 22, and when the driving motor 31 drives the main shaft gear 35 to rotate on the racks 22 through the driving main shaft 32, the driven shaft gear 36 also rotates on the racks 22, so that balance of the driving unit 30 and the azimuth axis turntable 40 during movement on the arc-shaped rail 21 is ensured.
Specifically, the driving motor 31 is a servo motor and has encoder closed-loop feedback, thereby ensuring the positioning accuracy of the driving unit 30.
As shown in fig. 1, in the present embodiment, the driving unit 30 further includes a tension pulley 37, and the tension pulley 37 is located at the bottom of the driving unit 30 and directly below the center of gravity of the driving unit 30. When the driving unit 30 drives the azimuth axis turntable 40 to move on the swing track unit 20, the tension wheel 37 contacts with the bottom plate 13 and generates a reaction force, so that the weight of the driving unit 30 and the azimuth axis turntable 40 not only concentrates on the swing track unit 20, and a gap generated by rigid connection between the gear and the rack 22 is adjusted, so that the gear and the rack 22 are more tightly meshed, the purpose of zero backlash is achieved, and the operation precision of the automatic testing device for the spherical rotation track is improved.
The running precision of the automatic testing device for the spherical rotation track is improved, so that the running speed of the automatic testing device for the spherical rotation track is not limited by the running precision any more, and therefore, the running speed of the automatic testing device for the spherical rotation track can be greatly improved. In addition, the improvement of the operation precision of the automatic testing device for the spherical rotation trajectory also enables the azimuth axis turntable 40 to continuously acquire data while moving at a constant speed, and improves the testing speed of the automatic testing device for the spherical rotation trajectory.
As shown in fig. 5, the azimuth axis turret 40 includes a rotation mechanism 41, a support arm 42, and a turret table top 43. The azimuth axis turntable 40 is disposed on the driving unit 30 and above the driving main shaft 32, and the azimuth axis of the azimuth axis turntable 40 is located directly above the arc rail 21. The device to be tested is fixed on the table top 43 of the rotary table, and the rotating mechanism 41 drives the supporting arm 42 to further drive the table top 43 of the rotary table to rotate, so that the requirement of the rotating angle of the device to be tested is met.
Specifically, the azimuth axis turntable 40 is made of a special material, so that the supporting strength can be ensured, and the azimuth axis turntable has effective wave-transmitting performance.
From the above description, it can be seen that the above-mentioned embodiments of the present invention achieve the following technical effects:
the utility model adopts the gear engagement cooperation, the matched arc-shaped rail is driven by the servo motor to drive the gear to run synchronously, the gear shaft system drives the azimuth axis turntable to run stably along the arc-shaped rail, the gear runs the matched arc-shaped rail and the rack, so that the whole running clearance is low, and the servo motor is matched, so that the position positioning is accurate; the arc-shaped rail and the rack are matched for use, so that the load carrying capacity of the whole system is increased, and the swing range of the pendulum is increased; the tension wheel improves the running precision of the whole system, so that the running speed is not restricted by the fertility degree; the improvement of the operation precision enables the azimuth axis turntable to move at a constant speed and simultaneously acquire data continuously, and the test speed is improved.
It is obvious that the above described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular is intended to include the plural unless the context clearly dictates otherwise, and it should be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of features, steps, operations, devices, components, and/or combinations thereof.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (15)
1. An automated testing device for a spherical rotation trajectory, comprising:
a bottom support unit (10);
the swing track unit (20), the swing track unit (20) is arranged on the bottom support unit (10), the swing track unit (20) comprises an arc-shaped rail (21) and a rack (22), and the rack (22) is arranged along the extension direction of the arc-shaped rail (21);
a drive unit (30), wherein the drive unit (30) is supported on the arc-shaped rail (21), and the drive unit (30) is meshed with the rack (22) through a gear;
the azimuth axis rotary table (40) is movably arranged on the swing track unit (20) through the driving unit (30) so that the azimuth axis rotary table (40) moves along the extending direction of the arc-shaped rail (21).
2. The automatic testing device for spherical rotation trajectory according to claim 1, wherein the bottom supporting unit (10) comprises a first side plate (11), a second side plate (12) and a bottom plate (13), the first side plate (11) and the second side plate (12) are both vertically disposed on the bottom plate (13) and are respectively located at a set of oppositely disposed edges of the bottom plate (13), the first side plate (11), the second side plate (12) and the bottom plate (13) enclose an accommodating recess so that at least a portion of the driving unit (30) is accommodated in the accommodating recess, and the swing track unit (20) is disposed on the first side plate (11) and the second side plate (12).
3. The automated testing device for spherical rotational trajectory according to claim 1, wherein the gears include a main shaft gear (35) and a sub shaft gear (36), and the main shaft gear (35) and the sub shaft gear (36) are symmetrically disposed and synchronously moved, the driving unit (30) includes:
a drive motor (31);
a driving spindle (32), one end of the driving spindle (32) is connected with the spindle gear (35), the spindle gear (35) is meshed with one rack (22), and the other end of the driving spindle (32) is connected with the driving motor (31);
a driven shaft (33), wherein the driven shaft (33) is connected with the driven shaft gear (36), and the driven shaft gear (36) is meshed with the other rack (22);
and two groups of guide wheels (34), wherein the two groups of guide wheels (34) are respectively embedded in the two arc-shaped rails (21) so as to enable the driving unit (30) to move along the arc-shaped rails (21).
4. The automated testing device for spherical rotation trajectories according to claim 1, characterized in that the azimuth axis turret (40) comprises a rotation mechanism (41), a support arm (42) and a turret table top (43), wherein the device to be tested is fixed on the turret table top (43), and the rotation mechanism (41) drives the support arm (42) to rotate the turret table top (43).
5. The automated testing device for spherical rotational trajectories of claim 2,
the top of the first side plate (11) and the top of the second side plate (12) are provided with the swing track unit (20); and/or
The arc-shaped rails (21) are multiple, the racks (22) are located on one side, facing the accommodating concave portion, of the first side plate (11) or the second side plate (12), and the arc-shaped rails (21) are located on one side, facing away from the accommodating concave portion, of the first side plate (11) or the second side plate (12).
6. The automated testing device for spherical rotational trajectories according to claim 2, characterized in that the top surface of the first side plate (11) has a variation in height in the direction of extension of the edge of the bottom plate (13) on the side on which it is located, and in that the first end of the top surface of the first side plate (11) is higher than the second end of the top surface of the first side plate (11).
7. The automated testing device for spherical rotational trajectories according to claim 6, characterized in that the top surface of the first side plate (11) is an arc surface, and the lowest point of the top surface of the first side plate (11) is located between the first end of the top surface of the first side plate (11) and the second end of the top surface of the first side plate (11).
8. The automatic testing device for the spherical rotation trajectory according to claim 2, wherein a first arc-shaped groove (14) is provided on the inner side surface of the top of the first side plate (11) and the inner side surface of the top of the second side plate (12), a second arc-shaped groove (15) is provided on the outer side surface of the top of the first side plate (11) and the outer side surface of the top of the second side plate (12), and the first arc-shaped groove (14) and the second arc-shaped groove (15) are used for installing and positioning the swing rail unit (20).
9. The automated testing device for spherical rotational trajectories of claim 8,
the first arc-shaped groove (14) is matched with the arc of the arc-shaped rail (21) and is used for positioning and supporting the arc-shaped rail (21); and/or
The second arc-shaped groove (15) is matched with the arc of the rack (22) and is used for positioning and supporting the rack (22).
10. The automated testing device for spherical rotational trajectories of claim 8,
the two arc-shaped rails (21) are respectively arranged on the two first arc-shaped grooves (14);
the two racks (22) are respectively arranged on the two second arc-shaped grooves (15).
11. The automated testing device for spherical rotational trajectories of claim 2,
the first side plate (11), the second side plate (12) and the bottom plate (13) are integrally formed; and/or
The first side plate (11), the second side plate (12) and the bottom plate (13) are provided with lightening holes at intervals.
12. The automated testing device for spherical rotational trajectories of claim 2,
a plurality of lightening holes are formed in the first side plate (11), and the size of the lightening holes in the first side plate (11) is gradually reduced from the edge of the first side plate (11) to the direction of the middle of the first side plate (11); and/or
The number of the lightening holes on the second side plate (12) is multiple, and the size of the lightening holes on the second side plate (12) is gradually reduced from the edge of the second side plate (12) to the direction of the middle of the second side plate (12).
13. The automated testing device for spherical rotation trajectories according to any one of claims 1 to 12, characterized in that the height of the arc-shaped rail (21) is greater than the height of the rack (22).
14. The automated testing device for spherical rotational trajectories according to any one of claims 1 to 12, characterized in that the driving unit (30) further comprises a tensioning wheel (37), the tensioning wheel (37) being located at the bottom of the driving unit (30) and directly below the center of gravity of the driving unit (30).
15. The automated testing device for spherical rotational trajectories according to any one of claims 1 to 12, wherein the azimuth axis turret (40) is located above the drive spindle (32) of the drive unit (30), and the azimuth axis of the azimuth axis turret (40) is located directly above the arc-shaped rail (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020227629.0U CN211778800U (en) | 2020-02-28 | 2020-02-28 | Automatic testing device for spherical rotating track |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020227629.0U CN211778800U (en) | 2020-02-28 | 2020-02-28 | Automatic testing device for spherical rotating track |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211778800U true CN211778800U (en) | 2020-10-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020227629.0U Active CN211778800U (en) | 2020-02-28 | 2020-02-28 | Automatic testing device for spherical rotating track |
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| Country | Link |
|---|---|
| CN (1) | CN211778800U (en) |
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2020
- 2020-02-28 CN CN202020227629.0U patent/CN211778800U/en active Active
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