A servo motor rigidity detection device

Abstract

The application provides a kind of servo motor rigidity detection device, it is related to servo motor detection field.The servo motor rigidity detection device, including support table, the middle part of support table is fixedly connected with cooperation sleeve, the inside of cooperation sleeve is slidably connected with sliding frame, the upper side of sliding frame is provided with servo motor, the output end of servo motor is fixedly connected with transmission rod, one end of transmission rod is movably connected with first coupling block, one side of first coupling block is provided with second coupling block, the outside of first coupling block and second coupling block is movably connected with coupling sleeve, the inside of second coupling block is movably connected with torque applying rod.By the use of coupling sleeve, torque applying rod and support rod, the support rod can apply a certain size of torque to the torque applying rod, which facilitates the detection of servo motor angular displacement under different torque conditions, and the rigidity of the servo motor is detected.

Description

TECHNICAL FIELD

[0001] The present application relates to servo motor detection technical field, specifically to a kind of servo motor rigidity detection device. BACKGROUND

[0002] Servo motor refers to the engine in servo system control mechanical element rotation, is a kind of auxiliary motor indirect speed changer.Servo motor mechanical rigidity is related to its response speed, generally the higher its response speed is, but too high, it is easy to make motor mechanical resonance, so, in the general servo amplifier parameter there is the option of manually adjusting response frequency, it needs to be adjusted according to the mechanical resonance point, needs time and experience.

[0003] And for the static rigidity of servo motor measurement has not found special device, this makes the static rigidity of servo motor this evaluation index does not have more accurate measured value, can not provide more accurate data reference for enterprise and user. SUMMARY

[0004] In view of the deficiencies of prior art, the present application provides a kind of servo motor rigidity detection device, solve the problem that the existing servo motor rigidity detection device does not have more accurate measured value, can not provide more accurate data reference for enterprise and user.

[0005] To achieve the above object, the present application is realized by the following technical scheme: a kind of servo motor rigidity detection device, including support table, the middle part of support table is fixedly connected with cooperation sleeve, the inside of cooperation sleeve is slidably connected with sliding frame, the sliding frame is composed of support bottom plate and support base, the upper side wall of support bottom plate is fixedly connected with two partitions, the inside of each partition is fixedly connected with two sliding sleeves, the middle part of each partition is screw-connected with threaded rod, the inside of each sliding sleeve is slidably connected with guide rod, the one end of threaded rod is rotatably connected with connecting block, the one end of guide rod is fixedly connected with clamping plate, each clamping plate is composed of rear plate and front plate, the inner side wall of front plate is fixedly connected with several cooperation rods, the outer side wall of cooperation rod is provided with second variable diameter spring;

[0006] Two clamping plates are provided with servo motor, the output end of servo motor is fixedly connected with transmission rod, the one end of transmission rod is movably connected with first coupling block, the one side of first coupling block is provided with second coupling block, the outer side of first coupling block and second coupling block is movably connected with coupling sleeve, the inside of second coupling block is movably connected with torque applying rod, the inside of torque applying rod is uniformly provided with several matching holes, the inside of matching hole is movably connected with support rod, the one end of support rod is provided with placing groove, the outer side wall of placing groove is provided with several counterweight blocks.

[0007] Preferably, the lower side wall of the support table is fixedly connected with four support legs, the support table is supported, and the lower side wall of each support leg is fixedly connected with an elastic pad, thereby improving the anti-vibration effect of the support table.

[0008] Preferably, the lower inner wall of the support base is fixedly connected with a support pad, the inside of the support pad is provided with a plurality of first variable-diameter springs, the lower side wall of the support base plate is fixedly connected with a matching pad, and the first variable-diameter springs and the matching pad are fixedly connected, so that the vibration generated during the operation of the servo motor can be prevented from being transmitted downward through the use of the support pad and the matching pad.

[0009] Preferably, the lower side wall of the support table is fixedly connected with a support base, the lower inner wall of the support base is fixedly connected with an electric cylinder, and the output end of the electric cylinder is fixedly connected with the lower side wall of the support base, so that the electric cylinder can drive the support base to move up and down.

[0010] Preferably, one end of each guide rod is fixedly connected with the outer side wall of the clamping plate, thereby improving the stability of the movement of the clamping plate.

[0011] Preferably, the inner side wall of the rear plate is provided with a plurality of sliding grooves, each sliding groove is matched with a matching rod, the outer side walls of the front plate and the rear plate are fixedly connected with the same elastic stop pad, and external objects are prevented from entering between the front plate and the rear plate.

[0012] Preferably, one end of the support rod is provided with a fixed rod, the fixed rod is matched with the matching hole, the junction between the fixed rod and the support rod is fixedly connected with a matching plate, the matching plate is matched with the side wall of the torque applying rod, the stability of the fixation of the support rod is improved, and the two ends of the support rod are respectively threadedly connected with a first fixed cap and a second fixed cap, the first fixed cap is used for fixing the support rod and the torque applying rod, and the second fixed cap is used for fixing the counterweight.

[0013] Preferably, the outer side walls of the first coupling block and the second coupling block are fixedly connected with limiting protrusions, the inner side wall of the coupling sleeve is provided with a limiting groove, the limiting protrusions and the limiting groove are matched, the first coupling block and the second coupling block can be fixed through the coupling sleeve, so that the transmission rod and the torque applying rod can rotate coaxially.

[0014] Working principle: first, the servo motor 5 is placed on the sliding frame 4, rotate two threaded rods 403, so that the two clamping plates 405 slide to the inside, fix the servo motor 5, then, start the electric cylinder 301, the electric cylinder 301 can push the sliding frame 4 to move upwards, thereby adjusting the height of the sliding frame 4, then, the first coupling block 502 is fixed with the second coupling block 601 through the shaft sleeve 7, so that the transmission rod 501 is coaxially arranged with the torque applying rod 6, next, the support rod 602 is fixed with the torque applying rod 6 through the cooperation of the cooperation hole 603 and the fixed rod 605, the counterweight 608 is placed in the cooperation groove 604, the weight of the torque applying rod 6 is adjusted, the torque applying rod 6 is fixed by the supporting assembly, finally, the encoder is connected with the servo motor, the supporting assembly is removed, the torque applying rod 6 applies torque to the transmission rod 501, the transmission rod 501 of the servo motor 5 is deflected, the encoder can quickly read the angular displacement of the servo motor transmission rod 501 in the axial angular position, the size of the torque applied by the torque applying rod 6 to the transmission rod 501 is analyzed by the finite element simulation element, and the stiffness of the servo motor 5 is determined by the angular displacement and the size of the applied torque.

[0015] The application provides a servo motor stiffness detection device.

[0016] 1、The device is provided with clamping plates, a support base and a support bottom plate, the inside of the clamping plates and the support base are provided with variable diameter springs, the variable diameter springs can effectively prevent resonance of the servo motor and the sliding frame, the cooperation pad of the lower side wall of the support bottom plate and the support pad in the inside of the support base can effectively reduce the transmission of vibration generated when the servo motor works, and the combination of the three can effectively improve the stability of the sliding frame in fixing the servo motor, thereby improving the stability of the device in detecting the servo motor.

[0017] 2、The device is provided with a shaft sleeve, a torque applying rod and a support rod, the torque applying rod and the transmission rod can be fixed through the shaft sleeve, a plurality of counterweights can be placed on the support rod, so that the torque transmitted to the transmission rod by the support rod through the torque applying rod is changed, thereby facilitating detection of the angular displacement of the servo motor under different torque conditions, and the stiffness of the servo motor is detected. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a structural schematic view of the application;

[0019] Figure 2 It is a top view schematic view of the application;

[0020] Figure 3 It is a sectional view schematic view of the application;

[0021] Figure 4It is a cross-sectional view of the clamping plate of the present application.

[0022] Figure 5 It is a cross-sectional view of the torque applying rod of the present application.

[0023] Figure 6 It is a front view of the present application.

[0024] Wherein, 1, support table; 101, matching sleeve; 2, support leg; 201, elastic pad; 3, support chassis; 301, electric cylinder; 4, sliding frame; 401, sliding sleeve; 402, guide rod; 403, threaded rod; 404, connecting block; 405, clamping plate; 4051, back plate; 4052, sliding groove; 4053, second variable diameter spring; 4054, matching rod; 4055, front plate; 4056, elastic stopper; 406, support base plate; 407, matching pad; 408, support base; 409, support pad; 410, first variable diameter spring; 5, servo motor; 501, transmission rod; 502, first coupling block; 6, torque applying rod; 601, second coupling block; 602, support rod; 603, matching hole; 604, placing groove; 605, fixed rod; 606, first fixed cap; 608, counterweight; 609, second fixed cap; 610, matching plate; 7, coupling sleeve. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the present application.

[0026] As Figures 1-6 shown, the present application provides a kind of servo motor stiffness detection device, a kind of servo motor stiffness detection device, including support table 1, the lower side wall of support table 1 is fixedly connected with four support legs 2, support table 1 is supported, the lower side wall of each support leg 2 is fixedly connected with elastic pad 201, improve the shock resistance effect of support table 1.

[0027] The middle part of the support table 1 is fixedly connected with a matching sleeve 101, the inside of the matching sleeve 101 is slidably connected with a sliding frame 4, the sliding frame 4 is composed of a support bottom plate 406 and a support base 408, the lower inner wall of the support base 408 is fixedly connected with a support pad 409, the inside of the support pad 409 is provided with a plurality of first variable diameter springs 410, the lower side wall of the support bottom plate 406 is fixedly connected with a matching pad 407, the first variable diameter springs 410 and the matching pad 407 are fixedly connected, through the use of the support pad 409 and the matching pad, the vibration generated when the servo motor 5 works can be prevented from being transmitted downward, the upper side wall of the support bottom plate 406 is fixedly connected with two partitions, the inside of each partition is fixedly connected with two sliding sleeves 401, the middle part of each partition is threadedly connected with a threaded rod 403, the inside of each sliding sleeve 401 is slidably connected with a guide rod 402, one end of each guide rod 402 is fixedly connected with the outer side wall of a clamping plate 405, the stability of the movement of the clamping plate 405 is improved, one end of the threaded rod 403 is rotatably connected with a connecting block 404, one end of the guide rod 402 is fixedly connected with the clamping plate 405, each clamping plate 405 is composed of a rear plate 4051 and a front plate 4055, the inner side wall of the front plate 4055 is fixedly connected with a plurality of matching rods 4054, the outer side wall of the matching rod 4054 is provided with a second variable diameter spring 4053, the lower side wall center of the support table 1 is fixedly connected with a support base 3, the lower inner wall of the support base 3 is fixedly connected with an electric cylinder 301, the output end of the electric cylinder 301 is fixedly connected with the lower side wall of the support base 408, the electric cylinder 301 can drive the support base 408 to move up and down, the inner side wall of the rear plate 4051 is provided with a plurality of sliding grooves 4052, each sliding groove 4052 is matched with one matching rod 4054, the stability of the sliding of the rear plate 4051 and the front plate 4055 is improved, the outer side walls of the front plate 4055 and the rear plate 4051 are fixedly connected with the same elastic stop pad 4056, so as to avoid external objects from entering between the front plate 4055 and the rear plate 4051.

[0028] The servo motor 5 is arranged between the two clamps 405, the output end of the servo motor 5 is fixedly connected with a transmission rod 501, one end of the transmission rod 501 is movably connected with a first shaft block 502, one side of the first shaft block 502 is provided with a second shaft block 601, the outer sides of the first shaft block 502 and the second shaft block 601 are movably connected with a shaft sleeve 7, the outer side walls of the first shaft block 502 and the second shaft block 601 are fixedly connected with limiting protrusions, the inner side wall of the shaft sleeve 7 is provided with a limiting groove, the limiting protrusion and the limiting groove are matched, the first shaft block 502 and the second shaft block 601 can be fixed through the shaft sleeve 7, so that the transmission rod 501 and the torque applying rod 6 can rotate coaxially, the inside of the second shaft block 601 is movably connected with the torque applying rod 6, the inside of the torque applying rod 6 is uniformly provided with a plurality of matching holes 603, the inside of the matching hole 603 is movably connected with a supporting rod 602, one end of the supporting rod 602 is provided with a placing groove 604, the outer side wall of the placing groove 604 is provided with a plurality of counterweight blocks 608, one end of the supporting rod 602 is provided with a fixed rod 605, the fixed rod 605 is matched with the matching hole 603, the junction of the fixed rod 605 and the supporting rod 602 is fixedly connected with a matching plate 610, the matching plate 610 is matched with the side wall of the torque applying rod 6, the stability of the fixed supporting rod 602 is improved, the two ends of the supporting rod 602 are respectively threadedly connected with a first fixed cap 606 and a second fixed cap 609, the first fixed cap 606 is used for fixing the supporting rod 602 and the torque applying rod 6, and the second fixed cap 609 is used for fixing the counterweight block 608.

[0029] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A servo motor rigidity detection device comprising a support table (1), characterized in that: The middle part of the support table (1) is fixedly connected with a matching sleeve (101), the inside of the matching sleeve (101) is slidably connected with a sliding frame (4), the sliding frame (4) is composed of a support bottom plate (406) and a support base (408), the upper side wall of the support bottom plate (406) is fixedly connected with two partitions, the inside of each partition is fixedly connected with two sliding sleeves (401), the middle part of each partition is threadedly connected with a threaded rod (403), the inside of each sliding sleeve (401) is slidably connected with a guide rod (402), one end of the threaded rod (403) is rotatably connected with a connecting block (404), one end of the guide rod (402) is fixedly connected with a clamping plate (405), each clamping plate (405) is composed of a rear plate (4051) and a front plate (4055), the inner side wall of the front plate (4055) is fixedly connected with a plurality of matching rods (4054), the outer side wall of the matching rod (4054) is provided with a second variable diameter spring (4053); A servo motor (5) is arranged between the two clamping plates (405), the output end of the servo motor (5) is fixedly connected with a transmission rod (501), one end of the transmission rod (501) is movably connected with a first shaft block (502), one side of the first shaft block (502) is provided with a second shaft block (601), the outer sides of the first shaft block (502) and the second shaft block (601) are movably connected with a shaft sleeve (7), the inside of the second shaft block (601) is movably connected with a torque applying rod (6), a plurality of matching holes (603) are uniformly arranged in the inside of the torque applying rod (6), the inside of the matching hole (603) is movably connected with a support rod (602), one end of the support rod (602) is provided with a placing groove (604), a plurality of counterweight blocks (608) are arranged on the outer side wall of the placing groove (604).

2. The rigidity detection device for a servo motor according to claim 1, characterized by: The lower side wall of the support table (1) is fixedly connected with four support legs (2), the lower side wall of each support leg (2) is fixedly connected with an elastic pad (201).

3. The rigidity detection device for a servo motor according to claim 1, characterized by: The lower inner wall of the support base (408) is fixedly connected with a support pad (409), a plurality of first variable diameter springs (410) are arranged in the inside of the support pad (409), the lower side wall of the support bottom plate (406) is fixedly connected with a matching pad (407), the first variable diameter springs (410) and the matching pad (407) are fixedly connected.

4. The rigidity detection device for a servo motor according to claim 1, characterized by: The inner side wall of the rear plate (4051) is provided with a plurality of sliding grooves (4052), each sliding groove (4052) is matched with a matching rod (4054), the outer side walls of the front plate (4055) and the rear plate (4051) are fixedly connected with the same elastic stop pad (4056).

5. The rigidity detection device for a servo motor according to claim 1, characterized by: The lower side wall of the support table (1) is fixedly connected with a support base frame (3), the lower inner wall of the support base frame (3) is fixedly connected with an electric cylinder (301), the output end of the electric cylinder (301) is fixedly connected with the lower side wall of the support base (408).

6. The rigidity detection device for a servo motor according to claim 1, characterized by: One end of each of the guide rods (402) is fixedly connected with the outer side wall of the clamping plate (405).

7. The rigidity detection device for a servo motor according to claim 1, characterized by: One end of the support rod (602) is provided with a fixed rod (605) matched with the matching hole (603), and the junction of the fixed rod (605) and the support rod (602) is fixedly connected with a matching plate (610) matched with the side wall of the torque applying rod (6); the two ends of the support rod (602) are respectively threadedly connected with a first fixed cap (606) and a second fixed cap (609).

8. The rigidity detection device for a servo motor according to claim 1, characterized by: The outer side walls of the first joint block (502) and the second joint block (601) are fixedly connected with limiting protrusions, and the inner side wall of the joint sleeve (7) is provided with limiting grooves matched with the limiting protrusions.

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