CN215064882U - Horizontal axis rotating device for horizontal distribution photometer - Google Patents
Horizontal axis rotating device for horizontal distribution photometer Download PDFInfo
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- CN215064882U CN215064882U CN202121673165.7U CN202121673165U CN215064882U CN 215064882 U CN215064882 U CN 215064882U CN 202121673165 U CN202121673165 U CN 202121673165U CN 215064882 U CN215064882 U CN 215064882U
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Abstract
The utility model relates to a horizontal axle rotary device for horizontal distribution photometer, including the main arm of founding and founding the arm from, the main arm of founding includes first bracing piece and actuating mechanism, is provided with the mounting panel between actuating mechanism and the first bracing piece, includes second bracing piece and follower from founding the arm, and actuating mechanism includes cavity rotary platform, servo motor, mounting disc, laser instrument and encoder, and cavity rotary platform includes base, input shaft, cross roller axle and central through hole, servo motor's output shaft the input shaft of cavity rotary platform, mounting disc fixed connection in cross roller axle, the mounting disc is equipped with the laser instrument towards the central point of lamps and lanterns one side and puts fixedly connected with connecting axle, the code wheel fixed connection of connecting axle and encoder on the central point of cavity rotary platform one side. The beneficial effects of the utility model are that installation encoder and laser instrument are put to the central point of mounting disc, and lamps and lanterns rotation angle measurement is more accurate, and lamps and lanterns installation calibration is more convenient.
Description
Technical Field
The utility model relates to a distribution photometer especially relates to a horizontal axle rotary device for horizontal distribution photometer.
Background
The distribution photometer is mainly used for measuring the light distribution performance of the lamp and the light source, namely, the luminosity and the chromaticity value distribution of the lamp laser source in different spatial directions. The horizontal distribution photometer is widely applied to testing the light intensity distribution and the total luminous flux of the lamp or the light source, is a luminosity measuring device for measuring the space luminous intensity distribution of the light source and the street lamp, and is an important means for realizing reference from luminous intensity to total luminous flux. The distribution photometer generally measures the total luminous flux of the lamp by adopting an illuminance integration method, namely, a luminosity detector is kept still, a measured light source or the lamp respectively rotates on a horizontal plane and a vertical plane around the luminosity center of the measured light source or the lamp, a proper angle interval is selected when emitted light reaches the whole angle area, and the illuminance of each point on a virtual sphere taking the measurement distance between the luminosity detector of the distribution photometer and the luminous center of an LED to be measured as the radius is measured.
The driving device in the horizontal shaft rotating device for the horizontal distribution photometer in the prior art adopts the harmonic speed reducer as the driving motor, and the harmonic speed reducer is coaxially arranged with the rotating center, so that the installation positions and the structures of the encoder and the laser are relatively complex, the assembly is troublesome, and the debugging and the replacement are not facilitated.
Disclosure of Invention
In order to overcome the above-mentioned defect of prior art, the utility model provides a horizontal axis rotary device for horizontal distribution photometer easy to assemble and debugging.
In order to achieve the above object, the present invention provides a horizontal axis rotation device for a horizontal distribution photometer, comprising a main vertical arm and a secondary vertical arm, wherein the main vertical arm comprises a first support rod and a driving mechanism arranged on the first support rod, a mounting plate is arranged between the driving mechanism and the first support rod, the secondary vertical arm comprises a second support rod and a driven mechanism arranged on the second support rod, the driving mechanism comprises a hollow rotary platform, a servo motor, a mounting disc, a laser and an encoder, the hollow rotary platform comprises a base, an input shaft, a cross roller shaft and a central through hole, an output shaft of the servo motor is connected with the input shaft of the hollow rotary platform, the mounting disc is fixedly connected with the cross roller shaft, the mounting disc and the cross roller shaft are coaxially arranged, the laser is arranged at the central position of the mounting disc facing to a lamp, and a connecting shaft is fixedly connected at the central position of the mounting disc facing to one side of the hollow rotary platform, the other end of the connecting shaft is fixedly connected with a code wheel of the encoder.
Furthermore, a conductive sliding ring is arranged on the connecting shaft, sleeved on the connecting shaft and positioned in a central through hole of the hollow rotating platform, and the conductive sliding ring and the connecting shaft are coaxially arranged.
Further, a mounting bracket is arranged between the encoder and the mounting plate, the encoder is fixedly connected to the mounting bracket, and the mounting bracket is fixedly connected to the mounting plate.
Furthermore, a planetary reducer is arranged between the servo motor and the hollow rotating platform, an output shaft of the servo motor is connected with an input shaft of the planetary reducer, and an output shaft of the planetary reducer is connected with an input shaft of the hollow rotating platform.
Furthermore, the hollow rotary platform is set as a side-axis type hollow rotary platform.
Further, the base of the hollow rotating platform is fixedly connected with the mounting plate.
Furthermore, the joint of the mounting disc and the output shaft is provided with a boss part facing the central through hole of the hollow rotating platform, and the boss part extends into the central through hole of the hollow rotating platform.
Further, follower includes installation axle, bearing and mount pad, and installation axle sleeve joint and bearing, bearing fixed connection in mount pad, the mount pad is fixed the second bracing piece.
Furthermore, the rotation center point of the crossed roller shaft of the hollow rotary platform and the rotation center point of the mounting shaft of the driven mechanism are positioned on the same straight line.
Furthermore, a plurality of threaded holes are formed in the mounting plate, conductive columns are arranged in the threaded holes, and the conductive columns are electrically connected with the conductive slip ring.
Compared with the prior art, the beneficial effects of the utility model reside in that: the adoption has the cavity rotary platform of central through-hole and servo motor, planetary reducer cooperation to replace prior art's harmonic speed reducer machine, makes the skew mounting disc rotation center of motor rotation center, is convenient for install encoder and laser instrument on the mounting disc central point puts, makes lamps and lanterns rotation angle measurement more accurate, and lamps and lanterns installation calibration is more convenient simultaneously.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
fig. 2 is a schematic structural view of a main vertical arm according to an embodiment of the present invention;
fig. 3 is a schematic view of a slave arm structure according to an embodiment of the present invention;
fig. 4 is a schematic cross-sectional view of a driving mechanism according to an embodiment of the present invention;
fig. 5 is a sectional view of a driven mechanism according to an embodiment of the present invention;
fig. 6 is a sectional view of a mounting plate according to an embodiment of the present invention.
Wherein the reference numerals are: 100. the device comprises a main vertical arm, 110, a first supporting rod, 111, a mounting plate, 120, a driving mechanism, 130, a mounting disc, 131, a threaded hole, 140, a laser, 150, a hollow rotating platform, 151, a base, 152, a crossed roller shaft, 153, a central through hole, 160, a servo motor, 161, a planetary reducer, 170, an encoder, 171, a mounting bracket, 180, a connecting shaft, 181, a conductive slip ring, 200, a slave vertical arm, 210, a second supporting rod, 220, a slave device, 221, a mounting shaft, 225 and a mounting hole.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings of the present invention, and it is obvious that the described embodiments are some embodiments of the invention, but not all embodiments. Embodiments of the present invention will be described below with reference to the accompanying drawings.
As shown in fig. 1, the horizontal axis rotation device for a horizontal distribution photometer comprises a main vertical arm 100 and a sub vertical arm 200, wherein the main vertical arm 100 comprises a first support rod 110 and a driving mechanism 120 arranged on the first support rod 110, and the sub vertical arm 200 comprises a second support rod 210 and a driven mechanism 220 arranged on the second support rod. The lamp to be tested is mounted in the mounting fixture, and then the mounting fixture is mounted between the driving mechanism 120 and the driven mechanism 220 of the slave upright arm 100 and the slave upright arm 200.
As shown in fig. 2 and 4, the driving mechanism 120 includes a hollow rotary platform 150, a servo motor 160, a mounting plate 130, a laser 140, and an encoder 170, a planetary reducer 161 is provided between the servo motor 160 and the hollow rotary platform 150, an output shaft of the servo motor 160 is connected to an input shaft of the planetary reducer 161, and an output shaft of the planetary reducer 161 is connected to an input shaft of the hollow rotary platform 150. The servo motor 160 provides power for the rotation of the cross roller shaft 152 of the hollow rotary platform 150 through the planetary reducer 161 and the internal rotation mechanism of the hollow rotary platform 150, and the planetary reducer 161 and the hollow rotary platform 150 can achieve the effect of increasing the torque by reducing the rotation speed. The hollow rotating platform 150 comprises a base 151, a cross roller shaft 152 and a central through hole 153 besides an input shaft, the mounting disc 130 is fixedly connected with the cross roller shaft 152 of the hollow rotating platform 150, specifically, the cross roller shaft 152 of the hollow rotating platform 150 is connected in a station mounting hole of the cross roller shaft 152 through a bolt, and the cross roller shaft 152 of the hollow rotating platform 150 and the mounting disc 130 are coaxially arranged. The laser 140 is installed on one side of the installation plate 130 facing the lamp, the laser 140 is located at the center of the installation plate 130 and coaxially arranged with the installation plate 130, and the laser 130 is used for calibrating that the light-emitting center of the lamp to be measured and the rotation center of the installation plate are on the same straight line, so that the accuracy of the measured data is ensured. The junction of mounting disc 130 and cavity rotary platform 150 is provided with a boss portion, boss portion is located the central through hole 153 of cavity rotary platform 150, be provided with connecting axle 180 on the boss portion top surface, the cover is equipped with electrically conductive sliding ring 181 on the connecting axle 180, screw hole 131 on the circumference of mounting disc 130, be provided with in the screw hole 131 and lead electrical pillar, the lead-out wire of electrically conductive sliding ring 181 leads electrical pillar with on the mounting disc 130 and links to each other for being surveyed the power supply of lamps and lanterns, it is rotatory with the synchronous of surveyed lamps and lanterns to lead electrical pillar on the mounting disc 130, it takes place danger to wind when preventing to be surveyed lamps and lanterns rotation. One end of the connecting shaft 180 is fixedly connected with the mounting plate 130, the other end of the connecting shaft is fixedly connected with a code disc of the encoder 170, and the encoder 170 is used for measuring the rotation angle of the lamp to be measured on the horizontal shaft. The mounting plate 130 drives the connecting shaft 180 to rotate when rotating, and the encoder 170 can obtain the rotation angle of the mounting plate 130 by detecting the rotation angle of the connecting shaft 180, that is, the rotation angle of the lamp. The encoder 170 is fixed to the mounting plate 111 through the mounting bracket 171, and the driving mechanism 120 is fixedly connected to the first support rod 110 through the mounting plate 111.
As shown in fig. 3 and 5, the slave arm 200 includes a second support bar 210 and a slave mechanism 220 mounted on the second support bar 210, the slave mechanism 220 includes a mounting shaft 221, a bearing 222 and a mounting seat 223, the bearing 222 is fixed on the mounting seat 223, the mounting shaft 221 is sleeved in a shaft hole of the bearing 222 and tightly connected to the bearing 222, and the mounting shaft 221 can rotate on the mounting seat 223 through the bearing 222. The end surface of the mounting shaft 221 facing the lamp is provided with a mounting hole 225, and the mounting hole 225 is used for mounting the lamp clamp to be tested. The rotational center point of the cross roller shaft 152 of the hollow rotary platform 150 and the rotational center point of the mounting shaft 221 of the follower mechanism 220 are located on the same line.
The hollow rotary platform 150 in this embodiment is a hollow rotary platform of MTN130 type, and the input-output rotation speed ratio is 1: 18, MTN130 hollow rotating platform is a paraxial hollow rotating platform, i.e. the input end of the hollow rotating platform 150 is parallel to the central axis of the cross roller shaft 152 and the input shaft of the hollow rotating platform is located on one side of the central through hole 153. The input shaft of the servo motor 160, the planetary reducer 161 and the hollow rotary platform 150 is arranged on one side of the mounting disc 130, the central through hole 153 of the hollow rotary platform 150 can be vacated by the structure, and the encoder 170, the connecting shaft 180, the conductive slip ring 181, the laser 140 and various power supply circuits are conveniently arranged in the central through hole 153, so that the lamp is more convenient to mount and calibrate, and the rotation angle measurement is better and more accurate.
When the lamp holder is used, the main vertical arm 100 and the auxiliary vertical arm 200 in the embodiment are installed on a rotating platform, then the rotating platform is installed on a base, the base drives the rotating platform to rotate along a vertical axis, and the driving mechanism 120 on the main vertical arm 100 drives the lamp to be tested to rotate along a horizontal axis. The specific using process comprises the following steps: firstly, a lamp to be tested is mounted on a lamp fixture, and then the lamp fixture is mounted between the driving mechanism 120 and the driven mechanism 220; then, calibrating the lamp to be tested by the laser 140 located at the center of the mounting plate 130, wherein the laser 140 emits light to irradiate the surface of the lamp, and the light emitting center of the lamp to be tested and the light of the laser are on the same straight line by adjusting the position of the lamp on the mounting fixture, that is, the light emitting center of the lamp to be tested and the rotation center of the mounting plate 130 are located on the same straight line; and finally, charging the servo motor 160 and the lamp to be detected, enabling the lamp to be detected to rotate on the horizontal shaft, and measuring the illumination parameters of the lamp to be detected at various positions by a detection device outside the horizontal distribution photometer. During actual use, the device is also required to be matched with a vertical shaft rotating mechanism to rotate simultaneously to measure illumination data (equivalently, the fixed center of the lamp to be measured is fixed, the detection device regularly moves on a sphere taking the lamp to be measured as the sphere center, and light intensity data are collected in real time).
To sum up, the utility model discloses a horizontal axis rotary device for horizontal distribution photometer adopts cavity rotary platform 150 and servo motor 160 that have central through-hole 152, the harmonic speed reducer of prior art is replaced in the cooperation of planetary speed reducer 161, make the skew mounting disc 130's of motor rotation center, be convenient for install encoder 170 and laser instrument 140 on mounting disc 130 central point puts, the center pin that makes encoder 170 and laser instrument 140 and the rotation center pin of roller axle 152 alternately is on same straight line, it is more accurate to make lamps and lanterns rotation angle measure, lamps and lanterns installation calibration is more convenient simultaneously.
While the invention has been described with reference to specific embodiments, it should be understood that the above description is intended to illustrate the invention and should not be taken as limiting the scope of the invention in any way. Based on the explanations herein, those skilled in the art will appreciate that other embodiments of the present invention or equivalents thereof without inventive step, are also within the scope of the present invention.
Claims (10)
1. The utility model provides a horizontal axis rotary device for horizontal distribution photometer, includes that the owner stands the arm and stands the arm from, the owner stands the arm and includes first bracing piece and sets up the actuating mechanism on first bracing piece, be provided with the mounting panel between actuating mechanism and the first bracing piece, it includes second bracing piece and sets up the follower on the second bracing piece to stand the arm from, its characterized in that: actuating mechanism includes cavity rotary platform, servo motor, mounting disc, laser instrument and encoder, cavity rotary platform includes base, input shaft, cross roller axle and central through hole, servo motor's output shaft the input shaft of cavity rotary platform, mounting disc fixed connection in cross roller axle, the mounting disc with cross roller axle is with the axle center setting, the mounting disc is equipped with the laser instrument towards the central point of lamps and lanterns one side to put, the mounting disc is towards the central point of cavity rotary platform one side to put fixedly connected with connecting axle, the connecting axle other end with the code wheel fixed connection of encoder.
2. The horizontal axis rotating device for the horizontal distribution photometer as claimed in claim 1, wherein the connecting shaft is provided with a conductive slip ring, the conductive slip ring is sleeved on the connecting shaft and is located in the central through hole of the hollow rotating platform, and the conductive slip ring and the connecting shaft are coaxially arranged.
3. The horizontal axis rotation device for a horizontal distribution photometer of claim 1, wherein a mounting bracket is disposed between the encoder and the mounting plate, the encoder is fixedly connected to the mounting bracket, and the mounting bracket is fixedly connected to the mounting plate.
4. The horizontal axis rotation device for the horizontal distribution photometer according to claim 1, wherein a planetary reducer is disposed between the servo motor and the hollow rotation platform, an output shaft of the servo motor is connected to an input shaft of the planetary reducer, and an output shaft of the planetary reducer is connected to an input shaft of the hollow rotation platform.
5. The horizontal axis rotation apparatus for a horizontal distribution photometer of claim 1, wherein the hollow rotary platform is a side axis type hollow rotary platform.
6. The horizontal axis rotation apparatus for a horizontal distribution photometer of claim 1, wherein the base of the hollow rotary platform is fixedly coupled to the mounting plate.
7. The horizontal axis rotation device for a horizontal distribution photometer of claim 1, wherein the junction of the mounting plate and the output shaft is provided as a boss portion facing the central through hole of the hollow rotary platform, the boss portion protruding into the central through hole of the hollow rotary platform.
8. The horizontal axis rotation device for the horizontal distribution photometer of claim 1, wherein the driven mechanism comprises a mounting shaft, a bearing and a mounting seat, the mounting shaft is sleeved with the bearing, the bearing is fixedly connected to the mounting seat, and the mounting seat is fixedly connected to the second support rod.
9. The horizontal axis rotation apparatus for a horizontal distribution photometer of claim 8, wherein the rotation center point of the cross roller shaft of the hollow rotary platform and the rotation center point of the mounting shaft of the follower mechanism are positioned on the same straight line.
10. The horizontal axis rotation device for the horizontal distribution photometer as claimed in claim 2, wherein the mounting plate has a plurality of threaded holes, and the threaded holes have conductive posts electrically connected to the conductive slip ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121673165.7U CN215064882U (en) | 2021-07-22 | 2021-07-22 | Horizontal axis rotating device for horizontal distribution photometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121673165.7U CN215064882U (en) | 2021-07-22 | 2021-07-22 | Horizontal axis rotating device for horizontal distribution photometer |
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| Publication Number | Publication Date |
|---|---|
| CN215064882U true CN215064882U (en) | 2021-12-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121673165.7U Active CN215064882U (en) | 2021-07-22 | 2021-07-22 | Horizontal axis rotating device for horizontal distribution photometer |
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| CN (1) | CN215064882U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117091981A (en) * | 2023-07-06 | 2023-11-21 | 天津大学 | A device for measuring and calibrating the swing angle of an artificial joint friction and wear test system |
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2021
- 2021-07-22 CN CN202121673165.7U patent/CN215064882U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117091981A (en) * | 2023-07-06 | 2023-11-21 | 天津大学 | A device for measuring and calibrating the swing angle of an artificial joint friction and wear test system |
| CN117091981B (en) * | 2023-07-06 | 2026-03-31 | 天津大学 | A pendulum angle measurement and calibration device for an artificial joint friction and wear testing system |
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