CN111682386A - Rotary connecting device and transition connector - Google Patents
Rotary connecting device and transition connector Download PDFInfo
- Publication number
- CN111682386A CN111682386A CN202010549887.5A CN202010549887A CN111682386A CN 111682386 A CN111682386 A CN 111682386A CN 202010549887 A CN202010549887 A CN 202010549887A CN 111682386 A CN111682386 A CN 111682386A
- Authority
- CN
- China
- Prior art keywords
- end cover
- shaft end
- mounting
- mounting seat
- mounting cavity
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R39/00—Rotary current collectors, distributors or interrupters
- H01R39/64—Devices for uninterrupted current collection
- H01R39/643—Devices for uninterrupted current collection through ball or roller bearing
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/58—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation characterised by the form or material of the contacting members
- H01R4/64—Connections between or with conductive parts having primarily a non-electric function, e.g. frame, casing, rail
- H01R4/643—Connections between or with conductive parts having primarily a non-electric function, e.g. frame, casing, rail for rigid cylindrical bodies
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R2201/00—Connectors or connections adapted for particular applications
- H01R2201/26—Connectors or connections adapted for particular applications for vehicles
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- Pivots And Pivotal Connections (AREA)
Abstract
The invention is suitable for the technical field of rail transit, and provides a rotary connecting device and a transition connector, wherein the rotary connecting device comprises: the shaft end cover is used for fixedly connecting the first part to be connected; the mounting seat is rotatably nested with the shaft end cover and fixedly connected to the second part to be connected, and a mounting cavity is formed between the mounting seat and the shaft end cover; the bearing is embedded in the mounting cavity between the shaft end cover and the mounting seat in a rotating and nesting mode, and the limiting part for preventing the shaft end cover and the mounting seat from sliding relatively is arranged in the mounting cavity. The rotary connection is realized, the disassembly is convenient, the maintenance is convenient, the structure is simple, the production and the manufacture are convenient, the production and the manufacture cost are reduced, the stability is good, and the safety of the device is improved.
Description
Technical Field
The invention belongs to the technical field of rail transit, and particularly relates to a rotary connecting device and a transition connector.
Background
The bogie built-in vehicle can reduce the dead weight of the whole vehicle, reduce wind resistance and reduce the energy consumption of vehicle operation, and is a future development direction of the high-speed rail motor train unit. With the renewal of high-speed rail, the internal structure of the high-speed rail changes, and due to the change of the structure, the axle box positioned outside the wheel is arranged on the inner side of the wheel, so that the grounding device originally installed on the axle box has no installation position, and the grounding device with the existing mature structure can not be directly applied.
Disclosure of Invention
The embodiment of the invention aims to provide a rotary connecting device, aiming at solving the problem that the rotary connecting device cannot be directly applied.
The embodiment of the present invention is achieved by a rotary joint device, including:
the shaft end cover is used for fixedly connecting the first part to be connected;
the mounting seat is rotatably nested with the shaft end cover and fixedly connected to the second part to be connected, and a mounting cavity is formed between the mounting seat and the shaft end cover;
the bearing is embedded in the mounting cavity between the shaft end cover and the mounting seat in a rotating and nesting mode, and the limiting part for preventing the shaft end cover and the mounting seat from sliding relatively is arranged in the mounting cavity.
In a preferred embodiment of the invention, the shaft end cover is fixedly connected to the first part to be connected, the mounting seat is nested on the shaft end cover and forms a mounting cavity, the bearing is clamped inside the mounting cavity and limited by the limiting part, the second part to be connected is connected to the mounting seat, when the first part to be connected and the second part to be connected rotate relatively, the shaft end cover and the mounting seat rotate relatively, and the bearing reduces the relative friction force between the shaft end cover and the mounting seat, so that the first part to be connected and the second part to be connected rotate relatively.
It is another object of an embodiment of the present invention to provide a transition connector, including:
a rotatable connection as described above;
the first part to be connected is a wheel shaft, the second part to be connected is a grounding device body, and the shaft end cover is of a cylindrical structure and is nested at the end part of the wheel shaft.
According to the rotating connecting device provided by the embodiment of the invention, the shaft end cover is fixedly connected to the first part to be connected, the mounting seat is nested on the shaft end cover and forms the mounting cavity, the bearing is clamped in the mounting cavity and limited by the limiting piece, the second part to be connected is connected to the mounting seat, when the first part to be connected and the second part to be connected rotate relatively, the shaft end cover and the mounting seat rotate relatively, the bearing reduces the relative friction force between the shaft end cover and the mounting seat, and the first part to be connected and the second part to be connected rotate relatively. The rotary connection is realized, the disassembly is convenient, the maintenance is convenient, the structure is simple, the production and the manufacture are convenient, the production and the manufacture cost are reduced, the stability is good, and the safety of the device is improved.
Drawings
Fig. 1 is a perspective view of a rotary connection device according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a transition connector according to an embodiment of the present invention;
in the drawings: the wheel comprises a wheel shaft 1, a shaft end cover 2, a mounting seat 3, a fixing bolt 4, a bearing 5, a first elastic retainer ring 6, a second elastic retainer ring 7, a grounding device body 8, a grounding device friction disc 9 and a dust retainer ring 10.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Specific implementations of the present invention are described in detail below with reference to specific embodiments.
As shown in fig. 1, a structure diagram of a rotary connection device provided in an embodiment of the present invention includes:
the shaft end cover 2 is used for fixedly connecting the first part to be connected;
the mounting seat 3 is rotatably nested with the shaft end cover 2 and fixedly connected to the second part to be connected, and a mounting cavity is formed between the mounting seat 3 and the shaft end cover 2;
wherein, the inside rotation nestification of installation cavity has bearing 5 between end cover 2 and the mount pad 3 for reduce the frictional force between end cover 2 and the mount pad 3, the installation cavity is inside to be provided with and to avoid end cover 2 and mount pad 3 relative slip's locating part.
In the embodiment of the invention, the shaft end cover 2 is fixedly connected to the first part to be connected, the mounting base 3 is nested on the shaft end cover 2 to form a mounting cavity, the bearing 5 is clamped inside the mounting cavity and limited by the limiting piece, the second part to be connected is connected to the mounting base 3, when the first part to be connected and the second part to be connected rotate relatively, the shaft end cover 2 and the mounting base 3 rotate relatively, and the bearing 5 reduces the relative friction force between the shaft end cover 2 and the mounting base 3, so that the first part to be connected and the second part to be connected rotate relatively.
In one embodiment of the present invention, the shaft cover 2 may be connected by fixing bolts 4, welding, etc., wherein the fixing bolts 4 are most preferably used for connection, and the fixing is firm and convenient for disassembly. The mounting seat 3 is rotatably nested on the shaft end cover 2.
As a preferred embodiment of the present invention, the end of the shaft end cover 2 is provided with a protrusion facing the mounting cavity, and the end of the mounting seat 3 is provided with a protrusion facing the mounting cavity, so as to form a structure for limiting the position of the bearing 5, wherein the two protrusions may be ring-shaped structures or block-shaped structures arranged at intervals, and the protrusions may be integrally arranged or fixedly connected, which will not be described herein.
As a preferred embodiment of the present invention, the limiting member includes a limiting plate, a first elastic collar 6 and a second elastic collar 7, wherein the first elastic collar 6 is detachably and fixedly connected to the inner side wall of the installation cavity, and is used for limiting the bearing 5; the limiting plate is arranged on the inner side wall of the mounting cavity at one side, away from the bearing 5, of the first elastic check ring 6 and is matched with the first elastic check ring 6 to limit the bearing 5; and the second elastic check ring 7 is arranged on the inner side wall of the mounting cavity of the side of the limiting plate far away from the bearing 5 side, which is not the mounting side of the first elastic check ring 6, and is used for limiting the limiting plate. Thereby increasing the limiting effect of the bearing 5 and avoiding the relative sliding of the shaft end cover 2 and the mounting seat 3; and the installation is convenient and fast, and the maintenance is convenient.
As a preferred embodiment of the invention, the nesting end of the mounting base 3 is provided with a clamping plate, the inner end of the clamping plate is rotatably erected at the nesting end of the shaft end cover 2, and the clamping plate further limits the mounting base 3, so that the stability of the rotary connection between the shaft end cover 2 and the mounting base 3 is improved. Cardboard detachable connects on mount pad 3 to made things convenient for installation and dismantlement, the cardboard can be hollow disc structure, thereby makes simple to operate swift and fixed firm, and the cardboard can also be the sheet structure that the interval set up certainly, does not describe here. The clamping plate has the function of preventing external dust from entering between the shaft end cover 2 and the mounting seat 3 to cause abrasion.
As shown in fig. 2, an embodiment of the present invention further provides a transition connector, including:
a rotatable connection as described above;
the first part to be connected is a wheel shaft 1, the second part to be connected is a grounding device body 8, and the shaft end cover 2 is of a cylindrical structure and is nested at the end part of the wheel shaft 1; a connecting port is formed in the center of the end part of the shaft end cover 2 and used for nesting a grounding device friction disc 9, and the grounding device friction disc 9 is fixedly connected to the wheel shaft 1.
In the embodiment of the invention, the shaft end cover 2 is fixedly connected to the wheel shaft 1, the mounting seat 3 is nested on the shaft end cover 2 to form a mounting cavity, the bearing 5 is clamped inside the mounting cavity and limited by the limiting piece, the grounding device body 8 is connected to the mounting seat 3, the grounding device friction disc 9 is fixedly connected to the shaft end cover 2 and nested inside the connecting port, when the wheel shaft 1 and the grounding device body 8 rotate relatively, the shaft end cover 2 and the mounting seat 3 rotate relatively, and the bearing 5 reduces the relative friction force between the shaft end cover 2 and the mounting seat 3, so that the wheel shaft 1 and the grounding device body 8 rotate relatively. Therefore, the grounding device body which is originally required to be arranged on the axle box can be directly arranged on the wheel axle, and the function of rotary conduction is realized.
As a preferred embodiment of the invention, the end of the mounting base 3 is fixedly provided with a dust blocking ring 10, and the dust blocking ring 10 prevents internal dust from entering between the mounting base 3 and the shaft end cover 2 to cause abrasion and poor electric conduction.
The invention provides a rotary connecting device, and provides a transition connector based on the rotary connecting device, wherein a shaft end cover 2 is fixedly connected to a wheel shaft 1, a mounting seat 3 is nested on the shaft end cover 2 to form a mounting cavity, a bearing 5 is clamped in the mounting cavity and limited by a limiting piece, a grounding device body 8 is connected to the mounting seat 3, a grounding device friction disc 9 is fixedly connected to the shaft end cover 2 and nested in the connecting port, when the wheel shaft 1 and the grounding device body 8 rotate relatively, the shaft end cover 2 and the mounting seat 3 rotate relatively, the bearing 5 reduces the relative friction force of the shaft end cover 2 and the mounting seat 3, and the wheel shaft 1 and the grounding device body 8 rotate relatively. Therefore, the grounding device body which is originally required to be arranged on the axle box can be directly arranged on the wheel axle, and the function of rotary conduction is realized.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (8)
1. A swivel connection, characterized in that it comprises:
the shaft end cover is used for fixedly connecting the first part to be connected;
the mounting seat is rotatably nested with the shaft end cover and fixedly connected to the second part to be connected, and a mounting cavity is formed between the mounting seat and the shaft end cover;
the bearing is embedded in the mounting cavity between the shaft end cover and the mounting seat in a rotating and nesting mode, and the limiting part for preventing the shaft end cover and the mounting seat from sliding relatively is arranged in the mounting cavity.
2. A rotary joint assembly according to claim 1 wherein the end of the end cap is provided with a projection towards the mounting cavity and the end of the mounting cup is also provided with a projection towards the mounting cavity, thereby defining a bearing retaining formation.
3. The rotatable connection apparatus of claim 1, wherein the retaining member comprises:
the elastic check ring comprises a limiting plate, a first elastic check ring and a second elastic check ring;
the first elastic retainer ring is detachably and fixedly connected to the inner side wall of the mounting cavity; the limiting plate is arranged on the inner side wall of the mounting cavity at one side, far away from the bearing, of the first elastic retainer ring; the second elastic check ring is installed on the inner side wall of the installation cavity, far away from the installation side of the bearing side, of the first elastic check ring.
4. A rotary joint assembly as claimed in claim 1 wherein the nesting end of the mounting block is provided with a catch plate, the inner end of which rotatably overlaps the nesting end of the end cap.
5. A rotatable connection means as claimed in claim 4 wherein said catch plate is removably attached to the mounting base, the catch plate being of hollow disc-like configuration.
6. A transition connector, characterized in that the transition connector comprises:
a rotatable connection means as claimed in any one of claims 1 to 5;
the first part to be connected is a wheel shaft, the second part to be connected is a grounding device body, and the shaft end cover is of a cylindrical structure and is nested at the end part of the wheel shaft.
7. The transition connector of claim 6, wherein the end of the shaft end cap has a central opening for receiving a ground engaging disk, the ground engaging disk being fixedly attached to the wheel shaft.
8. The transition connector of claim 6, wherein a dust ring is fixedly disposed at an end of the mounting block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010549887.5A CN111682386A (en) | 2020-06-16 | 2020-06-16 | Rotary connecting device and transition connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010549887.5A CN111682386A (en) | 2020-06-16 | 2020-06-16 | Rotary connecting device and transition connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111682386A true CN111682386A (en) | 2020-09-18 |
Family
ID=72435888
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010549887.5A Pending CN111682386A (en) | 2020-06-16 | 2020-06-16 | Rotary connecting device and transition connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111682386A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113904188A (en) * | 2021-09-09 | 2022-01-07 | 中车太原机车车辆有限公司 | Railway freight car bearing earthing device |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207466417U (en) * | 2017-11-09 | 2018-06-08 | 崔明 | A kind of railcar axle head grounding device |
-
2020
- 2020-06-16 CN CN202010549887.5A patent/CN111682386A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207466417U (en) * | 2017-11-09 | 2018-06-08 | 崔明 | A kind of railcar axle head grounding device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113904188A (en) * | 2021-09-09 | 2022-01-07 | 中车太原机车车辆有限公司 | Railway freight car bearing earthing device |
| CN113904188B (en) * | 2021-09-09 | 2024-01-19 | 中车太原机车车辆有限公司 | Railway wagon bearing grounding device |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200918 |
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| RJ01 | Rejection of invention patent application after publication |