CN216564839U - Slip ring fixing structure - Google Patents
Slip ring fixing structure Download PDFInfo
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- CN216564839U CN216564839U CN202123384004.9U CN202123384004U CN216564839U CN 216564839 U CN216564839 U CN 216564839U CN 202123384004 U CN202123384004 U CN 202123384004U CN 216564839 U CN216564839 U CN 216564839U
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- slip ring
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- fixing structure
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Abstract
The utility model discloses a slip ring fixing structure which comprises a concentric fixing piece, a stator body and a rotor body, wherein the concentric fixing piece is arranged on the stator body; the concentric fixing piece is provided with at least one connecting hole; the stator body is arranged below the concentric fixing piece; the rotor body is rotatably connected to the stator body, at least one thrust pin is arranged on the rotor body, the thrust pin is sleeved in the connecting hole, and the thrust pin is in clearance fit with the connecting hole. The rotor of the utility model adopts the fixing mode of the thrust pin, on one hand, no screw is used, the installation is more convenient, on the other hand, the thrust pin and the connecting hole on the concentric fixing piece are in clearance fit, thus, the rotor and the stator do not have much force even the coaxiality of the slip ring and the bearing is larger during the installation process, and the influence on the service life of the slip ring is greatly reduced.
Description
Technical Field
The utility model relates to the technical field of satellite communication, in particular to a slip ring fixing structure.
Background
The slip ring is also called as a conductive ring, an integrated ring, a collector ring, a conductive slip ring, a rotary joint or a rotary electrical joint and the like, and is widely applied to electromechanical equipment such as security protection, wind power generation, factory automation, electric power, finance, instruments and the like. Slip rings are commonly used in electromechanical systems that require continuous rotation and require power and signals to be transmitted from a fixed position to a rotating position.
At present, a rotor of a slip ring is mostly connected with a stator by screws, for example, a patent with application number 201920025332.3 discloses a driving structure of a satellite antenna, which comprises a bottom plate and a rotating assembly, wherein the rotating assembly comprises a slip ring, a concentric support and an antenna base; the bottom plate is provided with a center hole, the slip ring is fixed in the center hole and coaxially fixed with the antenna base, specifically, a stator of the slip ring is fixed with the antenna base through a bolt, as shown in fig. 1, wherein a rotor body 8 is fixed with a concentric support 9 in a side locking screw mode. However, such a fixing method has two problems: 1. the rotor end side locking screw is difficult to operate under the condition of small surrounding space; 2. the rotor and the stator are locked, if the coaxiality of the slip ring and the bearing is not guaranteed well during installation, corresponding torsion can be generated between the rotor and the stator during the use of the slip ring, and the influence on the service life of the slip ring is large.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is how to solve the problems that the rotor of the existing slip ring is fixed by screws, so that the operation is difficult and the service life of the slip ring is influenced.
The utility model solves the technical problems through the following technical means:
a slip ring fixing structure comprises a concentric fixing piece, a stator body and a rotor body; the concentric fixing piece is provided with at least one connecting hole; the stator body is arranged below the concentric fixing piece; the rotor body is rotationally connected to the stator body, at least one thrust pin is arranged on the rotor body, the thrust pin is sleeved in the connecting hole, and the thrust pin is in clearance fit with the connecting hole.
The rotor of the utility model adopts the fixing mode of the thrust pin, on one hand, no screw is used, the installation is more convenient, on the other hand, the thrust pin and the connecting hole on the concentric fixing piece are in clearance fit, thus, the rotor and the stator do not have much force even the coaxiality of the slip ring and the bearing is larger during the installation process, and the influence on the service life of the slip ring is greatly reduced.
Preferably, the antenna further comprises a bottom plate and an antenna base; the bottom plate is concentrically arranged above the antenna base, and the bottom plate is connected with the antenna base through screws.
Preferably, the bottom plate is provided with a central hole.
Preferably, the concentric fixing member comprises a connecting plate, a first supporting rod and a second supporting rod which are connected together; two connecting holes are symmetrically arranged on the connecting plate; the upper ends of the first supporting rod and the second supporting rod are respectively and fixedly connected with two ends of the connecting plate, and the lower ends of the first supporting rod and the second supporting rod are respectively and fixedly connected with two ends of the bottom plate through screws.
Preferably, the concentric fixing member comprises an inverted U-shaped structure, and the concentric fixing member crosses the central hole and is fixed on the upper surface of the bottom plate.
Preferably, the stator body is disposed in the central hole, and the stator body is coaxially fixed with the antenna base.
Preferably, the antenna base further comprises a stator support, the stator support is arranged in the central hole, and the bottom of the stator support is fixedly connected with the upper surface of the antenna base.
Preferably, the bottom of the stator body is fixedly connected with the top of the stator support through screws.
Preferably, the thrust pins are provided with two, the two thrust pins are symmetrically fixed at two ends of the upper surface of the rotor body, and the two thrust pins correspond to the two connecting holes respectively.
The utility model has the advantages that: the rotor of the utility model adopts the fixing mode of the thrust pin, on one hand, no screw is used, the installation is more convenient, on the other hand, the thrust pin and the connecting hole on the concentric fixing piece are in clearance fit, thus, the rotor and the stator do not have much force even the coaxiality of the slip ring and the bearing is larger during the installation process, and the influence on the service life of the slip ring is greatly reduced.
Drawings
Fig. 1 is a schematic structural view of a prior art slip ring in the background of the present invention;
fig. 2 is a schematic structural diagram of a slip ring fixing structure according to an embodiment of the present invention;
fig. 3 is an exploded view of the slip ring fixing structure according to the embodiment of the present invention.
The reference numbers illustrate:
1. an antenna base; 2. a base plate; 21. a central bore; 3. a stator support; 4. a concentric fixing member; 41. a connecting plate; 42. a first support bar; 43. a second support bar; 401. connecting holes; 5. a stator body; 6. a rotor body; 7. a thrust pin; 8. a rotor body; 9. a concentric support.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings and the embodiments of the present invention, and it is obvious that the described embodiments are some but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
As shown in fig. 2, the present embodiment discloses a slip ring fixing structure, which includes an antenna base 1, a bottom plate 2, a stator support 3, a concentric fixing member 4, a stator body 5, a rotor body 6, and a thrust pin 7.
As shown in fig. 2 and 3, and with the orientation of fig. 2 as a reference, the antenna base 1 of the present embodiment has a disk-like structure.
As shown in fig. 2 and fig. 3, and referring to the orientation of fig. 2 specifically, the base plate 2 of the present embodiment is a disc-shaped structure, a central hole 21 is formed in the central position of the base plate 2, the base plate 2 is coaxially fixed on the top of the antenna base 1, and specifically, the base plate 2 is fixedly connected to the upper surface of the antenna base 1 by means of a flange plate fitted with bolts; the mounting hole has been seted up at both ends about bottom plate 2, all is provided with the internal thread on the inner wall of two mounting holes.
As shown in fig. 2 and fig. 3, and referring to the orientation of fig. 2 specifically, the stator support 3 of the present embodiment is disposed in the central hole 21, and the stator support 3 is fixedly connected to the antenna base 1, specifically, the stator support 3 includes two symmetrically disposed support blocks and a support plate, the two support blocks are symmetrically fixed on the antenna base 1, the bottoms of the two support blocks are both welded and fixed to the upper surface of the antenna base 1, in other embodiments, bolts may also be used for fixing, and the central connecting line of the two support blocks is perpendicular to the axis of the central hole 21; the supporting plate is horizontally arranged, specifically, two ends of the bottom of the supporting plate are respectively and fixedly connected with the tops of the two supporting blocks through screws, and in other embodiments, two ends of the bottom of the supporting plate are respectively and fixedly welded with the tops of the two supporting blocks.
As shown in fig. 2 and 3, and referring to the orientation of fig. 2 in particular, the concentric fixing member 4 of the present embodiment is fixed above the bottom plate 2, and the concentric fixing member 4 includes a connecting plate 41, a first supporting rod 42 and a second supporting rod 43 that are connected together and can be integrally formed; the connecting plate 41 is of a rectangular plate structure, a limiting hole is formed in the middle of the connecting plate 41, and the top end of the central shaft is limited in the limiting hole so as to ensure that the central shaft does not displace; the first supporting rod 42 comprises a first horizontal rod, a first vertical rod and a second horizontal plate which are connected together and can be integrally formed, the right end of the first horizontal rod and the left end of the connecting plate 41 are welded and fixed together and can also be integrally formed, the left end of the first horizontal rod and the upper end of the first vertical rod are welded and fixed together and can also be integrally formed, the lower end of the first vertical rod and the right end of the second horizontal plate are welded and fixed together and can also be integrally formed, the second horizontal plate is provided with a first through hole, an internal thread is arranged on the inner wall of the first through hole, and the first through hole is connected with a left mounting hole on the bottom plate 2 through a screw; the second support rod 43 comprises a third horizontal rod, a second vertical rod and a fourth horizontal plate which are connected together and can be integrally formed, the left end of the third horizontal rod and the right end of the connecting plate 41 can be integrally formed, the right end of the third horizontal rod and the upper end of the second vertical rod can be integrally formed, the lower end of the second vertical rod and the left end of the fourth horizontal plate can be integrally formed, a second through hole is formed in the fourth horizontal plate, an internal thread is arranged on the inner wall of the second through hole, and the second through hole is connected with the left mounting hole in the bottom plate 2 through a screw;
the connection positions of the connection plate 41 and the first and second support rods 42 and 43 are respectively provided with a connection hole 401, the connection hole 401 is a through hole structure, and the inner walls of the two connection holes 401 are smooth.
As shown in fig. 2 and 3, and referring to the orientation of fig. 2 specifically, the stator body 5 is a cylindrical structure, the top of the stator body 5 is open, the inside of the stator body is hollow, the bottom of the stator body 5 is welded to the middle of the top of the supporting plate, in other embodiments, the stator body 5 may be fixed to the middle of the top of the supporting plate by bolts, and the stator body 5 is coaxial with the central hole 21.
As shown in fig. 2 and 3, and referring to the orientation of fig. 2 in particular, the rotor body 6 of the present embodiment is disposed on the top of the stator body 5, and the rotor body 6 is limited between the connecting plate 41 of the concentric fixing member 4 and the stator body 5, and the rotor body 6 includes a rotor and a spindle, and the spindle is inserted into the inner hole of the stator body 5 and is connected with the stator body 5 in a rotating manner; the rotor is of a kidney-shaped plate structure, the rotor is horizontally arranged, and the middle position of the bottom of the rotor is welded and fixed with the top of the main shaft.
As shown in fig. 2 and 3, and referring to the orientation of fig. 2 specifically, the thrust pins 7 of the present embodiment are provided with two thrust pins 7, the two thrust pins 7 are respectively fixed on two sides of the top of the rotor body 6, specifically, the bottoms of the two thrust pins 7 are respectively welded and fixed with two sides of the top of the rotor body 6, and the length of the central connecting line of the two thrust pins 7 is the same as the length of the central connecting line of the two connecting holes 401;
the diameter of the thrust pin 7 is smaller than or equal to the inner diameter of the connecting hole 401, the thrust pin 7 is sleeved in the connecting hole 401 from bottom to top, and the thrust pin 7 is in clearance fit with the connecting hole 401; the thrust pin 7 of the present embodiment has a certain length, and the length thereof is equal to or less than the length of the connection hole 401.
The working principle of the embodiment is as follows: the utility model provides a slip ring fixing structure, when in specific use, two connecting holes 401 on a concentric fixing piece 4 are sleeved on two thrust pins 7, and then a first supporting rod 42 and a second supporting rod 43 of the concentric fixing piece 4 are respectively fixedly connected with two mounting holes on a bottom plate 2 by screws; the rotor is fixed by the thrust pin 7, on one hand, no screw is provided, and the installation is convenient, on the other hand, the thrust pin 7 is in clearance fit with the connecting hole 401 on the concentric fixing piece 4, so that the slip ring has a larger coaxiality with the bearing when being installed, and the influence on the service life of the slip ring is greatly reduced because the slip ring does not have a large force between the rotor and the stator when in use.
Example two
As shown in fig. 3, the concentric fixing member 4 of the present embodiment includes an inverted U-shaped structure, and the concentric fixing member 4 crosses the central hole 21 and is fixed on the upper surface of the base plate 2.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (9)
1. A slip ring fixed knot constructs which characterized in that: the stator comprises a concentric fixing piece, a stator body and a rotor body; the concentric fixing piece is provided with at least one connecting hole; the stator body is arranged below the concentric fixing piece; the rotor body is rotationally connected to the stator body, at least one thrust pin is arranged on the rotor body, the thrust pin is sleeved in the connecting hole, and the thrust pin is in clearance fit with the connecting hole.
2. The slip ring fixing structure according to claim 1, wherein: the antenna also comprises a bottom plate and an antenna base; the bottom plate is concentrically arranged above the antenna base, and the bottom plate is connected with the antenna base through screws.
3. The slip ring fixing structure according to claim 2, wherein: the bottom plate is provided with a central hole.
4. A slip ring fixing structure according to claim 3, wherein: the concentric fixing piece comprises a connecting plate, a first supporting rod and a second supporting rod which are connected together; two connecting holes are symmetrically arranged on the connecting plate; the upper ends of the first supporting rod and the second supporting rod are respectively and fixedly connected with two ends of the connecting plate, and the lower ends of the first supporting rod and the second supporting rod are respectively and fixedly connected with two ends of the bottom plate through screws.
5. The slip ring fixing structure according to claim 4, wherein: the concentric fixing piece is of an inverted U-shaped structure, spans the central hole and is fixed on the upper surface of the bottom plate.
6. The slip ring fixing structure according to claim 5, wherein: the stator body is arranged in the central hole, and the stator body and the antenna base are coaxially fixed.
7. The slip ring fixing structure according to claim 6, wherein: the antenna base is characterized by further comprising a stator supporting piece, wherein the stator supporting piece is arranged in the central hole, and the bottom of the stator supporting piece is fixedly connected with the upper surface of the antenna base.
8. The slip ring fixing structure according to claim 7, wherein: the bottom of the stator body is fixedly connected with the top of the stator supporting piece through screws.
9. The slip ring fixing structure according to claim 4, wherein: the thrust pins are symmetrically fixed at two ends of the upper surface of the rotor body, and the two thrust pins correspond to the two connecting holes respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123384004.9U CN216564839U (en) | 2021-12-28 | 2021-12-28 | Slip ring fixing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123384004.9U CN216564839U (en) | 2021-12-28 | 2021-12-28 | Slip ring fixing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216564839U true CN216564839U (en) | 2022-05-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123384004.9U Active CN216564839U (en) | 2021-12-28 | 2021-12-28 | Slip ring fixing structure |
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| CN (1) | CN216564839U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116780299A (en) * | 2023-08-23 | 2023-09-19 | 江苏速豹动力科技有限公司 | Electrical connection device and truck |
-
2021
- 2021-12-28 CN CN202123384004.9U patent/CN216564839U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116780299A (en) * | 2023-08-23 | 2023-09-19 | 江苏速豹动力科技有限公司 | Electrical connection device and truck |
| CN116780299B (en) * | 2023-08-23 | 2023-12-15 | 江苏速豹动力科技有限公司 | Electrical connection device and truck |
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