Servo turntable rotation sensitivity testing device

Abstract

The utility model discloses a rotation sensitivity testing device for a servo turntable. The rotation sensitivity testing device comprises a workbench for installation, a supporting frame stably installed on the left side of the upper end of the workbench and a controller installed on the right side of the upper end of the workbench. The laser measuring mechanism is arranged on the supporting frame, the laser measuring mechanism comprises a first telescopic rod and a laser interferometer host, and the laser interferometer host is arranged at the lower end of the first telescopic rod; a clamping mechanism is arranged in the testing platform, the clamping mechanism comprises a reference axis body, a connecting rod, a threaded rod and a sliding clamping block, and the reference axis body is arranged in the testing platform. The servo turntable rotation sensitivity testing device is convenient for stably testing the rotation sensitivity of the servo turntable, is convenient for adjusting the mounting distance between the servo turntable and the reference shaft according to the size of the rotation center of the servo turntable, avoids detection errors, and is convenient for stably mounting the servo turntable.

Description

TECHNICAL FIELD

[0001] The utility model relates to a rotary sensitivity testing arrangement technical field, specifically is a kind of servo turntable rotary sensitivity testing arrangement. BACKGROUND

[0002] Servo turntable is mainly a kind of equipment combining servo control system and precision mechanical structure, and servo turntable needs to carry out rotary sensitivity test after production completion, but the existing rotary sensitivity test does not have certain fixed structure, and servo turntable is fixed on test platform, and it cannot be ensured that rotary center and reference shaft are concentric, installation error is prone to, and the servo turntable rotary sensitivity testing arrangement is designed for the above problems.

[0003] Actual production and processing use, the rotary sensitivity testing arrangement of present still has some problems: it is inconvenient to stably test servo turntable rotary sensitivity, it is inconvenient to adjust and reference shaft installation spacing according to servo turntable rotary center size, cannot avoid detection error, and it is inconvenient to stably install servo turntable, therefore, the utility model provides a kind of servo turntable rotary sensitivity testing arrangement to solve the problems proposed above. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of servo turntable rotary sensitivity testing arrangement to solve the problems proposed in the above background art, i.e.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of servo turntable rotary sensitivity testing arrangement, comprising: workbench for installation, support frame stably installed on the left side of the upper end of workbench and controller installed on the right side of the upper end of workbench;

[0006] Further comprising: laser measuring mechanism is provided on the support frame, wherein laser measuring mechanism includes first telescopic link and laser interferometer main machine, and the lower end of first telescopic link is provided with laser interferometer main machine;

[0007] Test platform, the inside of test platform is provided with clamping mechanism, wherein clamping mechanism includes reference shaft core body, connecting rod, threaded rod and sliding clamp block, the inside of test platform is provided with reference shaft core body, the upper end of reference shaft core body is provided with connecting rod, the lower end of connecting rod is connected with threaded rod, and the left and right sides of connecting rod are provided with sliding clamp block.

[0008] Preferably, the front lower end of the support frame is provided with a first telescopic rod, the middle part of the support frame is provided with a support plate, the lower ends of the left and right sides of the support plate are connected with a second telescopic rod, and the middle part of the support plate is provided with an eccentric shaft.

[0009] Preferably, the upper end of the connecting rod is formed in a sliding structure, the lower end of the connecting rod is connected with the reference shaft body in a threaded manner, and the middle part of the reference shaft body is provided in an arc shape.

[0010] Preferably, the left and right sides of the reference shaft body are provided in a close contact state with the sliding clamp block, the upper and lower ends of the sliding clamp block are connected with a fixing rod, and the outer side of the fixing rod is provided in a close contact state with the first spring.

[0011] Preferably, the upper ends of the left and right sides of the test platform are connected with a bolt and a clamping arm, the bolt is located in the middle part of the clamping arm, and the outer side of the left end of the clamping arm is provided in a close contact state with the second spring.

[0012] Preferably, the front side of the test platform is provided with a support rod, and the outer side of the upper end of the support rod is provided in a close contact state with the angle mirror.

[0013] Compared with the prior art, the servo turntable rotation sensitivity testing device has the advantages that the servo turntable rotation sensitivity can be stably tested, the installation distance between the servo turntable rotation center and the reference shaft can be adjusted according to the size of the servo turntable rotation center, detection errors can be avoided, and the servo turntable can be stably installed;

[0014] 1. The first telescopic rod, the laser interferometer main machine and the angle mirror are arranged, when the servo turntable rotation sensitivity needs to be tested, first, the second telescopic rod drives the support plate to move downwards along the path of the support frame, the support plate drives the eccentric shaft to be attached to the upper end of the servo turntable, so that loosening during detection is prevented, at this time, the first telescopic rod drives the laser interferometer main machine to move downwards, the laser interferometer main machine is adjusted to be in a unified horizontal plane with the angle mirror, so that the laser beam can accurately hit the light target center on the eccentric shaft stably, detection errors caused by deviation or offset are avoided, and the servo turntable rotation sensitivity can be stably tested;

[0015] 2. The reference shaft body, the connecting rod and the sliding clamp block are arranged, because the servo turntable rotation center and the reference shaft are not of the same size, test errors are prone to occur, at this time, the turntable center is aligned with the upper end of the reference shaft body and is inserted, then the connecting rod is rotated downwards along the path of the threaded rod, when the connecting rod moves downwards, the sliding clamp block is driven to slide to the left and right sides along the path and extrude the first spring at the telescopic position, at this time, the left and right ends of the sliding clamp block are stably clamped in the inner wall of the turntable center, so that the turntable and the reference shaft can be stably connected, the installation distance between the servo turntable rotation center and the reference shaft can be adjusted according to the size of the servo turntable rotation center, and detection errors can be avoided.

[0016] 3, the bolt, the clamping arm and the second spring are arranged, when the servo turntable needs to be stably installed on the detection device, the turntable is placed on the test platform, then the bolts connected to the left and right sides of the test platform are rotated respectively, the bolt drives the clamping arm to move inward when rotating, so that the clamping arm extrudes the second spring to shrink, and the clamping arm is finally clamped on the left and right sides of the turntable, so that the servo turntable is stably installed. BRIEF DESCRIPTION OF DRAWINGS

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

[0018] Figure 2 It is a side view sectional structure schematic view of the utility model;

[0019] Figure 3 It is a top view sectional structure schematic view of the utility model;

[0020] Figure 4 It is a front view sectional structure schematic view of the utility model Figure 1 It is an enlarged structure schematic view of A in the utility model;

[0021] Figure 5 It is a front view sectional structure schematic view of the utility model Figure 3 It is an enlarged structure schematic view of B in the utility model.

[0022] In the drawing: 1, workbench; 2, support frame; 3, controller; 4, first telescopic rod; 5, laser interferometer host computer; 6, support plate; 7, second telescopic rod; 8, eccentric shaft; 9, test platform; 10, reference axis body; 11, connecting rod; 12, threaded rod; 13, sliding clamping block; 14, fixed rod; 15, first spring; 16, bolt; 17, clamping arm; 18, second spring; 19, support rod; 20, angle mirror. DETAILED DESCRIPTION

[0023] The technical scheme in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0024] Please refer to Figures 1-5The utility model provides a technical scheme: a servo rotary table rotation sensitivity testing arrangement, including work table 1, support frame 2, controller 3, first telescopic link 4, laser interferometer host computer 5, support plate 6, second telescopic link 7, eccentric shaft 8, test platform 9, reference axis body 10, connecting rod 11, threaded rod 12, sliding clamp block 13, fixed link 14, first spring 15, bolt 16, clamping arm 17, second spring 18, support rod 19 and angle mirror 20.

[0025] When the servo rotary table is stably installed on the detection device, for example, the connecting rod 11 is connected to the reference axis body 10 in a threaded manner, and the middle part of the reference axis body 10 is arranged in an arc shape. Figure 1 , the connecting rod 11 is connected to the reference axis body 10 in a threaded manner, and the middle part of the reference axis body 10 is arranged in an arc shape. Figure 2 , the connecting rod 11 is connected to the reference axis body 10 in a threaded manner, and the middle part of the reference axis body 10 is arranged in an arc shape. Figure 3 , the connecting rod 11 is connected to the reference axis body 10 in a threaded manner, and the middle part of the reference axis body 10 is arranged in an arc shape. Figure 4 , the connecting rod 11 is connected to the reference axis body 10 in a threaded manner, and the middle part of the reference axis body 10 is arranged in an arc shape. Figure 5 , the connecting rod 11 is connected to the reference axis body 10 in a threaded manner, and the middle part of the reference axis body 10 is arranged in an arc shape. First, the servo rotary table is placed on the upper end of the test platform 9, and then the bolt 16 is rotated to the middle part of the test platform 9, which drives the clamping arm 17 to slide on the test platform 9 synchronously, and the clamping arm 17 simultaneously extrudes the second spring 18, so that it is clamped on the left and right sides of the servo rotary table. After the position of the servo rotary table is stabilized, in order to ensure that the rotation center is concentric with the reference axis, the connecting rod 11 is rotated downward along the path of the threaded rod 12, which drives the outer convex surface to continuously contact the sliding clamp block 13, so that the sliding clamp block 13 slides to the left and right sides along the path, and extrudes the first spring 15 to extend. According to the size of the servo rotary table, the clamping distance of the sliding clamp block 13 is adjusted, and finally the sliding clamp block 13 is attached to the inner wall of the servo rotary table, so that the rotation of the servo rotary table is stabilized and positioned, and the error phenomenon during the rotation detection of the rotary table is avoided.

[0026] When the servo rotary table rotation sensitivity testing arrangement is used, for example, the connecting rod 11 is connected to the reference axis body 10 in a threaded manner, and the middle part of the reference axis body 10 is arranged in an arc shape. Figure 1 and Figure 2As shown, the front lower end of the support frame 2 is provided with a first telescopic rod 4, the middle part of the support frame 2 is provided with a support plate 6, the lower ends of the left and right sides of the support plate 6 are connected with a second telescopic rod 7, the middle part of the support plate 6 is provided with an eccentric shaft 8, the front side of the test platform 9 is provided with a support rod 19, the outer side of the upper end of the support rod 19 is provided in a state of being attached to the angle mirror 20, after the servo turntable is stably installed, at this time, the second telescopic rod 7 is started to drive the support plate 6 to move downwards along the path of the support frame 2, and the support plate 6 drives the eccentric shaft 8 to be attached to the upper end of the servo turntable, so that loosening during detection is prevented, at the same time, the first telescopic rod 4 drives the laser interferometer host 5 to be telescoped downwards, and the laser interferometer host 5 moves downwards to be in a parallel state with the angle mirror 20, in order to ensure that the angle mirror 20 can be in a parallel plane, the left side fixing mechanism of the angle mirror 20 is rotated to slightly adjust the position of the angle mirror 20 along the path of the support rod 19, and finally the laser point of the laser interferometer host 5 is parallel, the laser beams refracted by the laser interferometer host 5 and the angle mirror 20 are accurately designed to the center of the light target, at this time, the controller 3 is started to control the rotation of the reference shaft body 10 to drive the turntable to perform rotation sensitivity detection, which is the use process of the servo turntable rotation sensitivity test device.

[0027] This is the whole working process of the servo turntable rotation sensitivity test device, and the contents not described in detail in the specification belong to the prior art known to those skilled in the art.

[0028] The standard parts used in the utility model can be purchased from the market, the special-shaped parts can be ordered according to the description and the drawings, the specific connection mode of each part adopts the conventional means such as bolts, rivets and welding in the prior art, the machinery, parts and equipment adopt conventional models in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, which will not be described in detail here, and the contents not described in detail in the specification belong to the prior art known to those skilled in the art.

[0029] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A servo-turret slew rate test apparatus comprising: A workbench (1) for installation, a support frame (2) stably installed on the left side of the upper end of the workbench (1) and a controller (3) installed on the right side of the upper end of the workbench (1); It is characterized in that it further comprises: The support frame (2) is provided with a laser measurement mechanism, wherein the laser measurement mechanism comprises a first telescopic rod (4) and a laser interferometer main machine (5), and the lower end of the first telescopic rod (4) is provided with the laser interferometer main machine (5); A test platform (9) is internally provided with a clamping mechanism, wherein the clamping mechanism comprises a reference shaft body (10), a connecting rod (11), a threaded rod (12) and a sliding clamp block (13), the inside of the test platform (9) is provided with the reference shaft body (10), the upper end of the reference shaft body (10) is provided with the connecting rod (11), the lower end of the connecting rod (11) is connected with the threaded rod (12), and the left and right sides of the connecting rod (11) are provided with the sliding clamp block (13).

2. The servo turntable slew rate test apparatus of claim 1, wherein: The lower end of the front side of the support frame (2) is provided with the first telescopic rod (4), the middle part of the support frame (2) is provided with a support plate (6), the lower ends of the left and right sides of the support plate (6) are connected with the second telescopic rod (7), and the middle part of the support plate (6) is provided with an eccentric shaft (8).

3. The servo turntable slew rate test apparatus of claim 1, wherein: The connecting rod (11) constitutes a sliding structure at the upper end of the reference shaft body (10), the lower end of the connecting rod (11) is connected with the reference shaft body (10) in a threaded manner, and the middle part of the reference shaft body (10) is provided in an arc shape.

4. The servo turntable slew rate test apparatus of claim 1 wherein: The left and right sides of the reference shaft body (10) are provided in a close state with the sliding clamp block (13), the upper and lower ends of the sliding clamp block (13) are connected with the fixed rod (14), and the outer side of the fixed rod (14) is provided in a close state with the first spring (15).

5. The servo turntable slew rate test apparatus of claim 1 wherein: The upper ends of the left and right sides of the test platform (9) are connected with the bolt (16) and the clamping arm (17), the bolt (16) is located in the middle part of the clamping arm (17), and the outer side of the left end of the clamping arm (17) is provided in a close state with the second spring (18).

6. The servo turntable slew rate test apparatus of claim 1 wherein: The front side of the test platform (9) is provided with the support rod (19), and the outer side of the upper end of the support rod (19) is provided in a close state with the angle mirror (20).

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