Optical experiment platform levelness detection device

Abstract

The utility model relates to the technical field of instrument detection, and discloses an optical experiment platform levelness detection device which comprises a supporting frame, and a motor is fixedly installed on the side wall of the supporting frame. According to the optical experiment platform levelness detection device, the moving plate extends out of the interior of the storage groove and is placed well, the vertical auxiliary plate is arranged below the moving plate, and the detected optical experiment platform is attached to the auxiliary plate to ensure that the experiment platform is initially horizontal, so that a motor conveniently drives a threaded rod to rotate subsequently, and the storage groove is made to move; a laser scanner on a moving plate scans the surface of the experiment platform, a sliding ball and a movable cylinder arranged on the moving plate facilitate movement of an auxiliary plate, meanwhile, a mounting block is arranged at the end of the moving plate, and a moving ball freely rotates on the surface of the moving block to make contact with the experiment platform. And meanwhile, the moving ball stretches out and draws back under the action of the reset spring to ensure the moving stability of the moving plate.

Description

TECHNICAL FIELD

[0001] The utility model relates to instrument detection technical field, concretely is a kind of optical experiment platform levelness detection device. BACKGROUND

[0002] In the scientific experiment process, optical experiment will be needed, and in order to ensure the reliability of optical experiment, the optical instrument for experiment should be placed on optical experiment platform, optical platform pursues level, and the platform is processed into extremely flat, which greatly reduces the error caused by the deviation of experimental platform.

[0003] According to the optical experiment platform levelness detection device (announcement number: CN 112325849 A) disclosed, the detection rod in the above application can be stretched out and stored, then automatically moves and detects the levelness of the upper end face of the optical experiment platform by laser scanning, and when deviation is detected, the platform can be accurately adjusted by the hydraulic adjusting device.

[0004] But the above-mentioned equipment in actual use process, laser scanner detects optical experiment table, needs to be vertically attached with scanner to scan, and the detection accuracy will be poor due to the not close vertical attachment, in view of this, we provide a kind of optical experiment platform levelness detection device. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a kind of optical experiment platform levelness detection device to solve the problems raised in the above background.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of optical experiment platform levelness detection device, including support frame, the side wall of the support frame is fixedly installed motor, the output end of the motor is fixedly installed threaded rod, the surface of the threaded rod is connected with the storage slot, the inner wall of the storage slot is hinged moving plate, the lower surface of the moving plate is fixedly installed laser scanner, the upper of the support frame is provided with stabilizing mechanism, the upper of the support frame is provided with promoting mechanism, the stabilizing mechanism includes:

[0007] Auxiliary plate, the auxiliary plate is fixedly installed on the lower surface of moving plate, the lower surface of the auxiliary plate is movably installed sliding ball, the surface of the auxiliary plate is provided with movable groove, the inner wall of the movable groove is movably installed movable cylinder;

[0008] Mounting block, the mounting block is fixedly installed on the lower surface of moving plate, the lower surface of the mounting block is provided with moving hole, the inner wall of the moving hole is fixedly connected with return spring, the end of the return spring away from the inner wall of moving hole is fixedly installed moving block, the lower surface of the moving block is movably installed moving ball.

[0009] Preferably, the promoting mechanism comprises a clamping block fixedly installed on the inner wall of the receiving groove, a hinged plate fixedly installed on the surface of the clamping block, a stabilizing groove formed on the surface of the hinged plate, a movable hole formed on the surface of the moving plate, a retractable spring fixedly connected to the inner wall of the movable hole, and a fixed ball fixedly connected to the end of the retractable spring away from the movable hole.

[0010] Preferably, the shapes of the two ends of the stabilizing groove are adapted to the shape of the fixed ball.

[0011] Preferably, the diameter of the moving hole is adapted to the diameter of the moving block.

[0012] Preferably, the length of the movable groove is adapted to the length of the movable cylinder, the number of the movable grooves is several, and the several movable grooves are linearly arranged on the surface of the auxiliary plate.

[0013] Preferably, the auxiliary plate is in L shape, and the corner of the auxiliary plate is perpendicular.

[0014] Compared with the prior art, the optical experiment platform levelness detection device has the following beneficial effects:

[0015] 1. The optical experiment platform levelness detection device, by setting the stabilizing mechanism, the moving plate is placed out of the inside of the receiving groove, the moving plate is provided with a vertical auxiliary plate below, the optical experiment platform to be detected is attached to the auxiliary plate to ensure the initial levelness of the experiment platform, the motor drives the threaded rod to rotate, the receiving groove moves, the laser scanner on the moving plate scans the surface of the experiment platform, the sliding ball and the movable cylinder provided on the moving plate facilitate the movement of the auxiliary plate, the end of the moving plate is provided with a mounting block, the moving ball freely rotates on the surface of the moving block and contacts the experiment platform, and the moving ball extends and retracts under the action of the return spring to ensure the stability of the movement of the moving plate.

[0016] 2. The optical experiment platform levelness detection device, by setting the promoting mechanism, the moving plate slides in the inside of the stabilizing groove under the action of the fixed ball in the retractable spring, the stabilizing groove is provided with a fixed groove adapted to the fixed ball at the vertical position, and the moving plate is kept in the vertical state to prevent slight shaking of the moving plate during movement from affecting the scanning of the laser scanner on the moving plate. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a support frame structure schematic view of the utility model;

[0018] Figure 2 It is a moving plate local structure schematic view of the utility model;

[0019] Figure 3 It is the auxiliary plate local structure schematic view of the utility model;

[0020] Figure 4 It is the installation block local explosion structure schematic view of the utility model;

[0021] Figure 5 It is the clamping block local explosion structure schematic view of the utility model.

[0022] In the drawing: 1, support frame;2, threaded rod;3, stabilizing mechanism;301, auxiliary plate;302, sliding ball;303, movable groove;304, movable cylinder;305, installation block;306, moving hole;307, return spring;308, moving block;309, moving ball;4, promoting mechanism;401, clamping block;402, hinged plate;403, stabilizing groove;404, movable hole;405, extension spring;406, fixed ball;5, motor;6, storage groove;7, moving plate;8, laser scanner. DETAILED DESCRIPTION

[0023] As Figures 1-5 Indicated, the utility model provides a technical scheme: an optical experiment platform levelness detection device, including support frame 1, the sidewall fixed mounting motor 5 of support frame 1, the output end fixed mounting threaded rod 2 of motor 5, the surface screw thread connection storage groove 6 of threaded rod 2, the inner wall of storage groove 6 is hinged moving plate 7, the lower surface fixed mounting laser scanner 8 of moving plate 7, the upper of support frame 1 is provided with stabilizing mechanism 3, the upper of support frame 1 is provided with promoting mechanism 4, stabilizing mechanism 3 includes auxiliary plate 301, sliding ball 302, movable groove 303, movable cylinder 304, installation block 305, moving hole 306, return spring 307, moving block 308, moving ball 309.

[0024] In an embodiment of the utility model, auxiliary plate 301 is fixedly installed on the lower surface of moving plate 7, the lower surface of auxiliary plate 301 movably installs sliding ball 302, the surface of auxiliary plate 301 is provided with movable groove 303, the inner wall of movable groove 303 movably installs movable cylinder 304, installation block 305 is fixedly installed on the lower surface of moving plate 7, the lower surface of installation block 305 is provided with moving hole 306, the inner wall of moving hole 306 is fixedly connected with return spring 307, one end of return spring 307 away from the inner wall of moving hole 306 is fixedly installed with moving block 308, the lower surface of moving block 308 movably installs moving ball 309.

[0025] In addition, the promotion mechanism 4 comprises a clamping block 401 fixedly installed on the inner wall of the receiving groove 6, the surface of the clamping block 401 is fixedly installed with a hinged plate 402, the surface of the hinged plate 402 is provided with a stable groove 403, the surface of the moving plate 7 is provided with a movable hole 404, the inner wall of the movable hole 404 is fixedly connected with a telescopic spring 405, one end of the telescopic spring 405 away from the movable hole 404 is fixedly connected with a fixed ball 406, the shape of the two end portions of the stable groove 403 is matched with the shape of the fixed ball 406, so that the fixed ball 406 is clamped at the end portion of the stable groove 403 under the action of the telescopic spring 405, and the stability of the moving plate 7 is ensured.

[0026] In the embodiment of the utility model, the diameter of the moving hole 306 is matched with the diameter of the moving block 308, the length of the movable groove 303 is matched with the length of the movable cylinder 304, the number of the movable groove 303 is provided with several, several movable grooves 303 are linearly arranged on the surface of the auxiliary plate 301, the auxiliary plate 301 is L-shaped, the corner of the auxiliary plate 301 is perpendicular, the initial state of the experimental platform to be detected is conveniently in the vertical position, the accuracy of subsequent laser scanner 8 scanning is convenient, the laser scanner first emits a laser beam to the surface of the measured object through a laser emitter, the laser beam is reflected after meeting the surface of the object, the reflected light is captured by the receiver of the laser scanner, the laser scanner calculates the distance between the laser scanner 8 and the measured object by measuring the round trip time or phase difference of the laser signal, according to the laser three triangle reflection method, the laser beam is emitted to the surface of the object, the reflected beam is captured by the receiving unit, so that the height position of the object surface is determined, in the measurement process, the height position measurement data is compared through the laser scanner 8, then whether the optical experiment platform is in the horizontal state can be judged, that is, the height position measurement data has no change or the error is within the pre-set range, then the optical experiment platform is in the horizontal state, otherwise, it is not in the horizontal state.

[0027] In the utility model, in use, first, the support frame 1 is erected and leveled, then the moving plate 7 is placed out from the inside of the receiving groove 6, the lower portion of the moving plate 7 is provided with the vertical auxiliary plate 301, the optical experiment platform to be detected is attached to the auxiliary plate 301 to ensure the initial level of the experimental platform, the subsequent motor 5 drives the threaded rod 2 to rotate, the receiving groove 6 moves, the laser scanner 8 on the moving plate 7 scans the surface of the experimental platform, the movable ball 302 and the movable cylinder 304 on the moving plate 7 are moved, the auxiliary plate 301 is moved, the end portion of the moving plate 7 is provided with the mounting block 305, the movable ball 309 rotates freely on the surface of the moving block 308 and contacts the experimental platform, under the action of the reset spring 307, the movable ball 309 is telescopic, the stability of the moving plate 7 is ensured.

[0028] Further, the moving plate 7 slides in the interior of the stable groove 403 under the action of the fixed ball 406 in the telescopic spring 405, the stable groove 403 is provided with a fixed groove matched with the fixed ball 406 at the vertical position, so that the moving plate 7 is stably kept in the vertical state to prevent slight shaking of the moving plate 7 in the moving process from affecting the scanning accuracy of the laser scanner 8 on the moving plate 7.

[0029] The above has made detailed description to the utility model in general, but can make some modification or improvement to it on the basis of the utility model, which is obvious to the general skilled in the technical field. Therefore, the modification or improvement without departing from the spirit of the utility model idea, all within the protection scope of the utility model.

Claims

1. A levelness detection device for an optical experimental platform, comprising a support frame (1), wherein a motor (5) is fixedly installed on the side wall of the support frame (1), a threaded rod (2) is fixedly installed on the output end of the motor (5), a receiving groove (6) is threadedly connected to the surface of the threaded rod (2), a movable plate (7) is hinged to the inner wall of the receiving groove (6), and a laser scanner (8) is fixedly installed on the lower surface of the movable plate (7), characterized in that: The upper portion of the support frame (1) is provided with a stabilizing mechanism (3), and the upper portion of the support frame (1) is provided with a promoting mechanism (4), the stabilizing mechanism (3) comprises: An auxiliary plate (301) is fixedly installed on the lower surface of the moving plate (7), a sliding ball (302) is movably installed on the lower surface of the auxiliary plate (301), and a movable groove (303) is formed in the surface of the auxiliary plate (301), and a movable cylinder (304) is movably installed on the inner wall of the movable groove (303). An installation block (305) is fixedly installed on the lower surface of the moving plate (7), a moving hole (306) is formed in the lower surface of the installation block (305), a return spring (307) is fixedly connected to the inner wall of the moving hole (306), a moving block (308) is fixedly installed on the end of the return spring (307) away from the inner wall of the moving hole (306), and a moving ball (309) is movably installed on the lower surface of the moving block (308). 2.The horizontality detection device of an optical experiment platform according to claim 1, wherein: The promoting mechanism (4) comprises a clamping block (401) fixedly installed on the inner wall of the receiving groove (6), a hinged plate (402) fixedly installed on the surface of the clamping block (401), a stabilizing groove (403) formed in the surface of the hinged plate (402), an active hole (404) formed in the surface of the moving plate (7), a telescopic spring (405) fixedly connected to the inner wall of the active hole (404), and a fixed ball (406) fixedly connected to the end of the telescopic spring (405) away from the active hole (404). 3.The horizontality detection device of an optical experiment platform according to claim 2, characterized in that: The shapes of the two ends of the stabilizing groove (403) are matched with the shape of the fixed ball (406).

4. The horizontality detection device of an optical experiment platform according to claim 1, characterized in that: The diameter of the moving hole (306) is matched with the diameter of the moving block (308).

5. The horizontality detection device of an optical experiment platform according to claim 1, characterized in that: The length of the movable groove (303) is matched with the length of the movable cylinder (304), a plurality of movable grooves (303) are linearly arranged on the surface of the auxiliary plate (301).

6. The horizontality detection device of an optical experiment platform according to claim 1, characterized in that: The auxiliary plate (301) is L-shaped, and the corner of the auxiliary plate (301) is perpendicular.

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