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CN-224217871-U - Double-freedom-degree conductive slip ring

CN224217871UCN 224217871 UCN224217871 UCN 224217871UCN-224217871-U

Abstract

The utility model discloses a double-freedom-degree conductive slip ring, which solves the problem that in the prior art, the single-freedom-degree rotation of a single-freedom-degree slip ring is difficult to meet the complex requirement of multi-angle flexible movement of a cradle head. The double-freedom-degree conductive slip ring comprises a vertical shaft flange shell, a connecting shell and a transverse shaft flange shell, wherein one end of the connecting shell is rotationally connected with the vertical shaft flange shell, the other end of the connecting shell is fixedly connected with the transverse shaft flange shell, a vertical inner core assembly is arranged in the vertical shaft flange shell, a transverse inner core assembly is arranged in the transverse shaft flange shell, and the transverse shaft flange shell is connected with a rotor of the vertical inner core assembly. According to the utility model, the connecting shell connects the transverse shaft flange shell and the vertical shaft flange shell, and when the transverse shaft flange shell rotates, the vertical shaft rotor is driven to rotate through the connecting shaft, and the inner core component of the transverse shaft flange shell can rotate around the self-center of the connecting shell, so that the effect of double degrees of freedom is achieved, and the complex requirement of multi-angle flexible movement of the cradle head is met.

Inventors

  • LIU RENYUAN
  • MA CHENGYU
  • ZHANG HAOQING
  • HOU CHENGJIE
  • PEI XUANYI
  • He Chongzhe

Assignees

  • 河南职业技术学院

Dates

Publication Date
20260508
Application Date
20250528

Claims (10)

  1. 1. The double-freedom-degree conductive slip ring is characterized by comprising a vertical shaft flange shell (1), a connecting shell (2) and a transverse shaft flange shell (3), wherein one end of the connecting shell (2) is rotationally connected with the vertical shaft flange shell (1), the other end of the connecting shell is fixedly connected with the transverse shaft flange shell (3), a vertical inner core assembly (41) is arranged in the vertical shaft flange shell (1), a transverse inner core assembly (42) is arranged in the transverse shaft flange shell (3), and the transverse shaft flange shell (3) is connected with a rotor (401) of the vertical inner core assembly (41).
  2. 2. The two-degree-of-freedom conductive slip ring of claim 1, wherein the vertical core assembly (41) and the horizontal core assembly (42) each comprise a rotor (401) and a stator (404), the stators (404) are arranged in corresponding vertical shaft flange shells (1) or horizontal shaft flange shells (3), the rotors (401) are positioned in the stators (404) and are rotationally connected with the stators (404), and a conductive mechanism is arranged between the rotors (401) and the stators (404).
  3. 3. The double-freedom-degree conductive slip ring of claim 2, wherein the rotor (401) is provided with a plurality of kidney-shaped holes (411) and a plurality of winding grooves (414) for winding wires, the kidney-shaped holes (411) are communicated with the winding grooves (414), the stator (404) is provided with a middle through groove (413), the outer wall of the stator (404) is axially provided with a plurality of wiring grooves (410), the conductive mechanism comprises a rotor contact piece (402) arranged in the winding grooves (414) and a stator contact piece (405) arranged in the middle through groove (413), and the stator contact piece (405) passes through the middle through groove (413) to be in contact fit with the rotor contact piece (402).
  4. 4. The double-freedom-degree conductive slip ring of claim 3, wherein the stator (404) is of a ring-shaped sleeve structure formed by two semicircular shells, the two semicircular shells are connected with a stator nut (407) through a stator screw (406), a middle through groove (413) is formed in the middle of the corresponding two semicircular shells, stator key protrusions (409) are arranged on the outer walls of the two semicircular shells, axial key grooves (101) are formed in the inner walls of the vertical shaft flange shell (1) and the transverse shaft flange shell (3), and the stator key protrusions (409) are in plug-in fit with the corresponding axial key grooves (101).
  5. 5. The dual-degree-of-freedom conductive slip ring of claim 3 or 4 wherein said stator contact (405) is a U-shaped member having a copper nose ring (412) at an outer end thereof.
  6. 6. The double-freedom-degree conductive slip ring of claim 5, wherein an insulating check ring (403) is arranged between two adjacent rotor contact pieces (402), the rotor (401) is of a hollow structure, the rotor (401) and a stator (404) are rotationally connected through an inner core bearing (7), a corrugated spring (11) is arranged between one end of the stator (404) and a corresponding vertical shaft flange shell (1) or a corresponding horizontal shaft flange shell (3), and the other end of the stator is limited in the vertical shaft flange shell (1) or the corresponding horizontal shaft flange shell (3) through a clamp spring (6).
  7. 7. The double-freedom-degree conductive slip ring according to claim 1 or 6, wherein the vertical shaft flange shell (1) is rotationally connected with the connecting shell (2) through a large bearing (10), a shaft sleeve (9) for limiting the large bearing (10) is arranged on the vertical shaft flange shell (1), and a first sealing ring (8) is further arranged between the connecting shell (2) and the vertical shaft flange shell (1).
  8. 8. The double-freedom-degree conductive slip ring of claim 7, wherein the shaft sleeve (9) is connected to the lower part of the vertical shaft flange shell (1) and is positioned inside the connecting shell (2), and the shaft sleeve (9) is provided with a headless screw (20) connected with the vertical shaft flange shell (1).
  9. 9. The double-freedom-degree conductive slip ring according to claim 1 or 8, wherein a connecting shaft (17) is arranged in the transverse shaft flange shell (3), a rotor transmission groove (408) matched with the connecting shaft (17) is formed in the bottom of a rotor (401) of the vertical inner core assembly (41), the transverse shaft flange shell (3) is connected with the connecting shell (2) through a bolt piece, and a second sealing ring (12) is arranged between the transverse shaft flange shell (3) and the connecting shell (2).
  10. 10. The double-freedom-degree conductive slip ring of claim 9, wherein the closed end of the transverse shaft flange shell (3) is provided with a transverse shaft end cover (15), and a third sealing ring (14) is arranged between the transverse shaft end cover (15) and the transverse shaft flange shell (3).

Description

Double-freedom-degree conductive slip ring Technical Field The utility model relates to the technical field of rotary connectors, in particular to a conductive slip ring. Background In the rapid development of modern industry and technology, the conductive slip ring (Conductive slip ring) plays an irreplaceable role as a critical precise power transmission device. The core function of the device is to realize signal transmission between two relative rotating mechanisms, and the device is especially suitable for complex application scenes in which power or data must be stably transmitted from a fixed position to a rotating position under the condition of continuous rotation. Whether it is precision equipment in high-end manufacturing or sophisticated equipment in the aerospace field, conductive slip rings play a key role in connection and transmission. The existing single-degree-of-freedom slip ring is a split combined conductive slip ring structure disclosed in China patent publication No. CN117791252A, only supports single-degree-of-freedom rotation along a longitudinal axis, has a relatively limited function, and is difficult to meet the complex requirement of multi-angle flexible movement of a holder. Disclosure of utility model Aiming at the defects in the background technology, the utility model provides a double-freedom-degree conductive slip ring, which solves the problem that the single-freedom-degree rotation of the single-freedom-degree slip ring in the prior art is difficult to meet the complex requirement of multi-angle flexible movement of a holder. The technical scheme is that the double-freedom-degree conductive slip ring comprises a vertical shaft flange shell, a connecting shell and a transverse shaft flange shell, wherein one end of the connecting shell is rotationally connected with the vertical shaft flange shell, the other end of the connecting shell is fixedly connected with the transverse shaft flange shell, a vertical inner core assembly is arranged in the vertical shaft flange shell and is enabled to have the rotation freedom degree in a vertical plane, a transverse inner core assembly is arranged in the transverse shaft flange shell and is enabled to have the rotation freedom degree in a transverse plane, and the transverse shaft flange shell is connected with a rotor of the vertical inner core assembly. According to the utility model, the connecting shell connects the transverse shaft flange shell and the vertical shaft flange shell, and when the transverse shaft flange shell rotates, the vertical shaft rotor is driven to rotate through the connecting shaft, and the inner core component of the transverse shaft flange shell can rotate around the self-center of the connecting shell, so that the effect of double degrees of freedom is achieved, and the complex requirement of multi-angle flexible movement of the cradle head is met. Further preferably, the vertical inner core assembly and the horizontal inner core assembly both comprise a rotor and a stator, the stator is arranged in a corresponding vertical shaft flange shell or horizontal shaft flange shell, the rotor is positioned in the stator and is rotationally connected with the stator, a conductive mechanism is arranged between the rotor and the stator, and stable current conduction or signal transmission in rotary motion is ensured. The electric conduction mechanism comprises a rotor contact piece arranged in the winding groove and a stator contact piece arranged in the middle through groove, and the stator contact piece passes through the middle through groove to be in contact fit with the rotor contact piece. Further preferably, the stator is of a ring-shaped sleeve structure formed by two semicircular shells, the two semicircular shells are connected with a stator nut through stator screws, a middle through groove is formed in the middle of the corresponding two semicircular shells, stator key protrusions are arranged on the outer walls of the two semicircular shells, axial key grooves are formed in the inner walls of the vertical shaft flange shell and the transverse shaft flange shell, and the stator key protrusions are in plug-in fit with the corresponding axial key grooves. Preferably, the stator contact piece is a U-shaped piece, and a copper nose ring is arranged at the outer end part of the U-shaped piece. The rotor is of a hollow structure, the rotor and the stator are rotationally connected through an inner core bearing, a corrugated spring is arranged between one end of the stator and a corresponding vertical shaft flange shell or a corresponding horizontal shaft flange shell, and the other end of the stator is limited in the vertical shaft flange shell or the corresponding horizontal shaft flange shell through the clamp spring. Further preferably, the vertical shaft flange shell is rotationally connected with the connecting shell through a large bearing, a shaft sleeve for limiting the large bearing is arranged on