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CN-122001159-A - Detection device for step motor resonance

CN122001159ACN 122001159 ACN122001159 ACN 122001159ACN-122001159-A

Abstract

The invention relates to the technical field of detection of stepping motors, in particular to a detection device for resonance of a stepping motor, which comprises a base plate, wherein an equipment cover is fixedly arranged at the top of the base plate, the equipment cover is omega-shaped, a motor body is arranged at the center of an inner cavity of the equipment cover, a support component which is supported by pneumatic is arranged at the bottom of the motor body, detection components are arranged at both sides and the top of the motor body, a recording component which is used for limiting the motor body is arranged at one end of the equipment cover.

Inventors

  • LAN YU
  • HE AIPING
  • SHI YU

Assignees

  • 深圳市兴丰元机电有限公司

Dates

Publication Date
20260508
Application Date
20260326

Claims (10)

  1. 1. A detection device for resonance of a stepping motor comprises a base plate (1) and is characterized in that an equipment cover (2) is fixedly arranged at the top of the base plate (1), a motor body (4) is arranged at the center of an inner cavity of the equipment cover (2), supporting components (8) which are supported through pneumatic realization are arranged at the bottom of the motor body (4), detection components (5) are arranged at the two sides and the top of the motor body (4), a recording component (3) used for limiting the motor body (4) is arranged at one end of the equipment cover (2), a counterweight component (7) is sleeved on the outer surface of the output end of the motor body (4), a clamping component (6) used for fixing the counterweight component (7) is arranged at the outer side of the counterweight component (7), and the clamping component (6) is located at one side, far away from the recording component (3), of the equipment cover (2).
  2. 2. A detection device for resonance of a stepping motor according to claim 1, wherein the recording unit (3) comprises a side plate (301) screwed with the inner side of the equipment cover (2), a limiting plate (302) is fixedly installed at the center of the inner side of the side plate (301), and video equipment (303) is arranged outside the limiting plate (302).
  3. 3. The detection device for the resonance of the stepping motor according to claim 1, wherein the supporting component (8) comprises a supporting plate (801) arranged at the bottom of the motor body (4), a bottom array of the supporting plate (801) is provided with a sleeving shaft (802) which is inclined, an inwardly extending air bin (806) is arranged at the top of the sleeving shaft (802), and the sleeving shaft (802) is hermetically sleeved with a movable shaft (803) which extends to the top of the sleeving shaft through the air bin (806).
  4. 4. The detecting device for the resonance of the stepping motor according to claim 3, wherein the bottom outside the sleeving shaft (802) and the top outside the movable shaft (803) are rotatably sleeved with sleeving pieces (804), the sleeving pieces (804) are fixedly connected with the supporting plate (801) and the backing plate (1) respectively, an air inlet pipe (805) is fixedly arranged on the side wall of the sleeving shaft (802), and the air inlet pipe (805) is communicated with the air bin (806).
  5. 5. A detection device for resonance of a stepping motor according to claim 1, wherein the detection assembly (5) comprises a mounting arc plate (501) arranged on the inner side of the equipment cover (2), a central groove (502) extending inwards is formed in one side of the mounting arc plate (501), first mounting vertical plates (503) are symmetrically arranged on two sides of the mounting arc plate (501), second mounting vertical plates (506) are symmetrically arranged on the mounting arc plate (501) through the central groove (502), a connecting shaft (505) is fixedly arranged at the bottom of one side, close to each other, of each of the adjacent first mounting vertical plates (503) and the second mounting vertical plates (506), a mounting transverse plate (504) is vertically arranged on the outer sides of the two groups of the first mounting vertical plates (503), and the mounting transverse plates (504) are rotationally connected with the end parts of the mounting arc plates (501).
  6. 6. The detecting device for the resonance of the stepping motor according to claim 5, wherein a rotating plate (507) is symmetrically arranged below the installation arc plate (501), the rotating plate (507) is obliquely arranged, the lower surface of the rotating plate (507) is in contact with the side edge of the motor body (4), a sleeve joint groove (509) is formed in a penetrating mode at one end of the side wall of the rotating plate (507), a torsion spring (510) is arranged in the sleeve joint groove (509), the rotating plate (507) is rotatably sleeved with the connecting shaft (505) through the sleeve joint groove (509), and two ends of the torsion spring (510) are connected with the rotating plate (507) and the connecting shaft (505) respectively.
  7. 7. The detecting device for the resonance of the stepping motor according to claim 6, wherein an extension plate (508) is fixedly arranged at one end of the rotating plate (507) close to the connecting shaft (505), the other end of the extension plate (508) is in contact with the inner side of the installation arc plate (501), the upper surface of the extension plate (508) and the inner side of the installation arc plate (501) are respectively provided with an inwards concave ball groove (512), and the extension plate (508) and the installation arc plate (501) are respectively in spherical sleeve joint with an inclined rod (511) through the ball grooves (512).
  8. 8. The device for detecting the resonance of the stepping motor according to claim 1, wherein the counterweight assembly (7) comprises a first counterweight (701) arranged outside the output end of the motor body (4), a second counterweight (704) is arranged at one end, far away from the motor body (4), of the first counterweight (701) and one end, far away from the motor body (4), of the second counterweight (704), an inwards concave connecting groove (702) is formed in one end, far away from the motor body (4), of the first counterweight (701) and one end, close to the motor body (4), of the second counterweight (704), a connecting shaft (703) is fixedly arranged at one end, close to the motor body (4), of the second counterweight (704), and the connecting shaft (703) is matched with the connecting groove (702).
  9. 9. The device for detecting the resonance of the stepping motor according to claim 1, wherein the clamping assembly (6) comprises an inner ring plate (601) sleeved outside the counterweight assembly (7), an outer ring plate (602) is rotatably sleeved outside the inner ring plate (601), an outer tooth gear (604) is fixedly installed at the center of the outer side of the outer ring plate (602), a gear (607) is meshed with the bottom of the outer tooth gear (604), a driving motor (606) is fixedly installed at one end of the gear (607), a fixed ring plate (603) is sleeved at one end, close to the motor body (4), of the outer ring plate (602), the bottom of the fixed ring plate (603) is fixedly connected with a base plate (1), one end, close to the motor body (4), of the fixed ring plate (603) is fixedly connected with the end of the inner ring plate (601), an inwards-sunken device groove (9) is formed in the upper surface of the base plate (1), and the base plate (1) is sleeved with the driving motor (606) and the gear (607) through the device groove (9).
  10. 10. The detection device for the resonance of the stepping motor, as set forth in claim 9, wherein the inner ring plate (601) and the outer ring plate (602) are arranged in a triangular shape at one end far away from the motor body (4) and are respectively provided with a second installation shaft (611) and a first installation shaft (605), the second installation shaft (611) and the first installation shaft (605) are distributed in a crossed mode, the outer side of the second installation shaft (611) is rotatably sleeved with a rotary arc plate (608), one end, far away from the second installation shaft (611), of the outer side of the rotary arc plate (608) is fixedly provided with a limiting arc plate (609), a limiting groove (610) is formed in the limiting arc plate (609) in a penetrating mode, and the limiting arc plate (609) is sleeved with the first installation shaft (605) through the limiting groove (610).

Description

Detection device for step motor resonance Technical Field The invention relates to the technical field of detection of stepping motors, in particular to a detection device for resonance of a stepping motor. Background The stepping motor is widely applied to numerical control machine tools, industrial robots and automatic equipment, particularly the energy-saving stepping motor is remarkably reduced in energy consumption under the same output power through optimizing electromagnetic design and driving control, is widely applied to occasions requiring long-time continuous operation such as new energy automobile production lines and intelligent storage, resonance detection is needed before delivery in order to ensure the operation stability of the stepping motor under actual working conditions, because resonance not only causes the step-out and the reduction of positioning precision of the motor but also causes fatigue damage of a mechanical structure, for the energy-saving motor with wider operation speed range and lighter structure, the influence of resonance problem on the energy efficiency performance and stability of the energy-saving motor is particularly remarkable, the conventional resonance detection device usually adopts an adjusting piece to cooperate with a damping spring for detection, however, the scheme has obvious defects that elastic fatigue is easily generated due to long-term reciprocating compression of the spring, the detection data drift is reduced, the natural frequency of the spring is possibly coupled with the resonance frequency of the motor, the elastic vibration interference is introduced, the problem is particularly remarkable when the energy-saving motor is subjected to wide-frequency speed regulation, the vibration phase intensity change is sensed, the synchronous phase intensity is difficult to capture, the energy-saving vibration frequency component cannot be accurately detected under the condition of being difficult to be evaluated, and the energy-saving vibration frequency component cannot be accurately detected under the condition of a single vibration mode. Disclosure of Invention The invention aims to provide a detection device for resonance of a stepping motor, so as to solve the problem that the existing detection method proposed in the background art cannot meet the requirement of fine evaluation under the complex working condition of an energy-saving motor. In order to achieve the above purpose, the device comprises a base plate, wherein a device cover is fixedly arranged at the top of the base plate, the device cover is omega-shaped, a motor body is arranged at the center of an inner cavity of the device cover, a supporting component which is supported through pneumatic is arranged at the bottom of the motor body, detecting components are arranged at both sides and the top of the motor body, a recording component for limiting the motor body is arranged at one end of the device cover, a counterweight component is sleeved on the outer surface of an output end of the motor body, a clamping component for fixing the counterweight component is arranged at the outer side of the counterweight component, and the clamping component is located at one side, far away from the recording component, of the device cover. Preferably, the recording assembly comprises a side plate which is in threaded connection with the inner side of the equipment cover through threads, a limiting plate is fixedly arranged in the center of the inner side of the side plate, and video equipment is arranged on the outer side of the limiting plate in an array mode; The video recording device can be a motion camera for recording the motion states of the detection assembly and the support assembly, thereby exhibiting the resonance state of the motor body. Preferably, the support assembly comprises a support plate arranged at the bottom of the motor body, the bottom array of the support plate is provided with a sleeving shaft in an inclined shape, an inwardly extending gas bin is arranged at the top of the sleeving shaft, a gas pressure sensor is preset at the bottommost part of the inner side of the gas bin, and the sleeving shaft is hermetically sleeved with a movable shaft extending to the top of the sleeving shaft through the gas bin. Preferably, the bottom in the outside of the sleeve joint axle and the top in the outside of the movable shaft are all rotated and sleeved with sleeve joint parts, two groups of sleeve joint parts are respectively fixedly connected with the supporting plate and the backing plate, the side wall of the sleeve joint axle is fixedly provided with an air inlet pipe, the air inlet pipe is communicated with the air bin, and the sleeve joint parts arranged through the sleeve joint parts can facilitate the sleeve joint of the axle and the movable shaft to rotate. Preferably, the detection component comprises an installation arc plate arranged on the inner side of the equipment cover,