RU169697U1 - Vertical rotating contact device for optoelectronic system (VKU-OES-VN) - Google Patents

Abstract

The utility model relates to the field of electrical engineering, more specifically to multichannel current-collecting devices used in electronic engineering for transmitting electrical control signals and supply voltages of direct and alternating currents from the fixed part of the product to the movable and vice versa. The device can be used in telescopes, robots, military equipment, tower cranes, etc., and the technical result is to simplify the design and improve on this basis its technical and operational qualities, reduce the size and weight, increase its maintainability and manufacturability. A multichannel rotating vertical guidance device is made in the form of a functionally complete module containing a housing inside which a central shaft mounted on a bearing support is placed, and the collector part consists of a group of kinematically connected to the central shaft and interacting rotary and non-rotary electrical contacts grouped into a block.

Description

The utility model relates to the field of electrical engineering, more specifically to multichannel current-collecting devices used in electronic engineering for transmitting electrical control signals and supply voltages of direct and alternating currents from the fixed part of the product to the movable and vice versa. The device can be used in telescopes, robots, military equipment, tower cranes, etc.

It is known a current collector device containing two or more pairs of the fixed part of the product located in the radial direction and movable with insulated flat and lobe electrical contacts placed on them, communicated through wires with external electrical connectors (patent RU No. 22678840, H01R 39/00, 2006.01.08) .

This device makes it possible to place high-current contact rings on one pair of the fixed part of the product and the moving one, and low-current on the other. However, this design of the device is characterized by large dimensions in the transverse direction, which limits its use in units where the transmission of strong currents of various sizes is required with a relatively small transverse direction of the mounting space in which this device should be placed.

A multi-channel sliding current collector is known, comprising a housing inside which a central shaft mounted on sliding bearings is placed, fixed and moving parts, and a current collecting part from the group of kinematically connected to the housing and the central shaft and interacting with each other via flat and spade electrical contacts communicated by wires with external electrical connectors (patent RU 2193810, H01R 39/02, 39/08, 2000.11.10). This design of a multi-channel sliding current collector is too complex and has a sufficiently large axial and transverse dimensions and does not provide maintainability.

Among the known analogues of the claimed technical solution, the closest (prototype) can be a multi-channel sliding current collector containing a housing inside which a central shaft mounted on a bearing support is placed, and a current collecting part from a group of kinematically connected to the central shaft and interacting rotary and non-rotary electrical contacts grouped into the block (patent RU 2351044 C2 H01R 39/00).

Due to the difficult kinematic connection of the electrical contacts with the housing and the central shaft, access to the wiring (soldering) of wires to the electrical contacts is difficult, in addition, it is impossible to replace failed electrical contacts without completely disassembling the device. All this complicates the design of the collector device as a whole, does not provide maintainability of the device and requires complex technological equipment for assembly.

The objective of this utility model is to eliminate these drawbacks, simplify the design and improve on this basis technical and operational qualities, reduce overall dimensions and weight, increase maintainability and manufacturability of the assembly.

The problem is achieved in that in the claimed utility model, fundamentally different and simpler technical solutions are used in comparison with the prototype.

The technical result is achieved by the fact that the non-rotating part includes: the upper stator and the lower stator, forming the housing, the upper contact block, consisting of the upper brush holder and low-current non-rotating electrical contacts, the lower contact block, consisting of the lower brush holder, low-current non-rotating electrical contacts and high-current non-rotating electrical contacts, external electrical connectors (socket), rotary seal, bearing cover, process plug; the rotary part includes: a rotor and a bearing sleeve forming a central shaft, a rotating disk with rotary electrical contacts, a pressure ring, a casing on which an external electrical connector (socket) is mounted, a wiring harness connecting the rotating disk to the socket; external electrical connectors of the non-rotating part are placed on contact blocks, which are installed on the upper and lower stators through gaskets made of dielectric material, for example fiberglass; the rotating disk is made in the form of a multilayer printed circuit board, the top layer of which has concentric conductive copper tracks (rotary electrical contacts) of the same width for transmitting low-current signals, and its lower layer has concentric conductive copper tracks (rotary electrical contacts) of different width for transmitting low-current signals and high-current signals ; the upper brush holder is made in the form of a multilayer printed circuit board, the lower outer layer of which is designed to install low-current non-rotating electrical contacts, the lower brush holder is made in the form of a multilayer printed circuit board, the upper outer layer of which is designed to install low-current non-rotating electrical contacts and high-current non-rotating electrical contacts; low-current non-rotary electrical contacts are installed on the brush holders as follows: each current-carrying copper path corresponds to an even number of low-current non-rotary electrical contacts depending on the current strength, half of which are directed in one direction in the direction of rotation of the disk, the second half - in the opposite direction against the rotation of the disk, electrical contacts are installed on the brush holder radially, with each concentric conductive copper track of the rotating disk corresponds to a certain number of high-orbital electric contacts depending on a current amount; the rotation of the movable part is transmitted to the central shaft, which consists of a rotor having splines for coupling with the drive and a bearing sleeve; centering and transmission of torque to a rotating disk having three grooves is carried out using a bearing sleeve having three ledges located on the outer circumference at an angle of 120 ° to each other; To fix the rotating disk, a clamping ring is used, which is attached to the bearing sleeve using countersunk screws. The clamping ring has grooves used to align the slots of the rotor with the drive; the technological plug is made in the form of a disk, is installed through a sealing gasket in the center of the lower stator and closes the technological window intended for access to the rotary part when installing the current collector on the drive.

The essence of the utility model is illustrated by drawings, which depict:

in FIG. 1 is a General view of the inventive vertical rotating contact device for an optoelectronic system (hereinafter VKU-OES-VN):

in FIG. 2 is a view A in FIG. 1;

in FIG. 3 is a view B in FIG. one;

in FIG. 4 is a view BB of FIG. 2;

in FIG. 5 - upper contact block (view from the side of the rotating disk) with installed external electrical connector (soket);

in FIG. 6 - lower contact block (view from the side of the rotating disk) with installed external electrical connector (soket);

in FIG. 7 - rotating disk (view from the side of the upper contact block);

in FIG. 8 - rotating disk (view from the side of the lower contact block);

in FIG. 9 - low-current non-rotating electrical contact;

figure 10 is a high-current non-rotary electrical contact.

The positions indicated in the drawings correspond to the following elements:

1 - upper stator;

2 - lower stator;

3 - upper brush holder;

4 - lower brush holder;

5 - gasket brush holder upper;

6 - gasket brush holder lower;

7 - external electrical connector (soket) non-rotating part;

8 - rotary seal;

9 - bearing cover;

10 - technological plug;

11 - laying of technological plugs;

12 - coupling screw;

13 - a casing;

14 - rotor;

15 - bearing sleeve;

16 - a rotating disk;

17 - pressure ring;

18 - a plait of wires of a rotary part;

19 - external electrical connector (socket) of the rotary part;

20 - bearing;

21 - low-current non-rotary electrical contact;

22 - high current non-rotating electrical contact;

23 - low-current rotary electrical contact;

24 - high-current rotary electrical contact.

The inventive VKU-OES-VN (Fig. 1, 2, 3, 4) contains a housing consisting of a stator upper 1 and a lower stator 2, inside of which a central shaft mounted on a bearing support is placed, including a rotor 14 and a bearing sleeve 15.

Technologically, the named device has two assembly units. The first assembly unit includes: stator upper 1, gasket for brush holder upper 5, rotary seal 8, casing 13, rotor 14, bearing sleeve 15, rotating disk 16, pressure ring 17, bearing 20, bearing cover 9, wiring harness for the rotary part 18, external electrical connector (socket) of the rotary part 19 and subassembly (Fig. 5) - upper contact block with an external electrical connector (soket) of the non-rotating part 7. The second assembly unit includes: stator lower 2, gasket for brush holder lower 6, process plug 10, laying the process plug 11 and subassembly (Fig. 6) - lower contact block with an external electrical connector (soket) of the non-rotating part 7. The subassemblies (Figs. 5, 6) of the first and second assembly units are assembled in parallel. The first and second assembly units are combined into the product using the tightening screws 12.

The rotating disk (Fig. 7, 8) is made in the form of a multilayer printed circuit board, the top layer of which has concentric conductive copper tracks (low-current rotary electrical contacts 23) of the same width for transmitting low-current signals, and its lower layer has concentric conductive copper tracks (low-current rotary electrical contacts 23 and high-current rotary electrical contacts 24) of various widths for transmitting low-current signals and high-current signals. In the center of the rotating disk (Fig. 7, 8) there are through metallized holes of the printed circuit board designed to solder the wiring harness of the rotary part 18 (Fig. 4) connecting the rotary disk 16 (Fig. 4) with an external electrical connector (socket) of the rotary part 19 (Fig. 4).

The upper contact block (Fig. 5) consists of the brush holder of the upper 3 and low current fixed contacts 21. The lower contact block (Fig. 6) consists of the brush holder of lower 4, low current fixed contacts 21 and high current fixed contacts 22.

The brush holder upper 3 is made in the form of a multilayer printed circuit board, the lower outer layer of which is designed for installation and soldering of low-current non-rotating electrical contacts 21, it also has a seat for installing and soldering the external electrical connector (soket) of the non-rotating part 7. The brush holder lower 4 is made in the form of a multi-layer a printed circuit board, the upper outer layer of which is designed for installation and soldering of low-current fixed contacts 21 and high-current fixed contacts 22, also e it has a seat for installing and soldering the external electrical connector (soket) of the non-rotating part 7.

Low-current non-rotary electrical contacts 21 are installed on the brush holders as follows (Fig. 5, 6): each concentric conductive copper path (low-current rotary electrical contact 23) of the rotating disk 16 corresponds to an even number of low-current non-rotary electrical contacts 21 depending on the current strength, half of which is directed in one side in the direction of rotation of the disk, half in the other direction against the course of rotation of the disk. High-current non-rotary electrical contacts 22 are installed on the brush holder radially (Fig. 6), while each concentric current-conducting copper path (high-current rotary electrical contact 24) of the rotating disk 16 corresponds to the number of high-current non-rotary electrical contacts 22 depending on the current strength.

Non-rotating electrical contacts 21, 22 and rotary electrical contacts 23, 24 form contact pairs (21-23 and 22-24), which are connected to the corresponding external electrical connectors 7 and 19, respectively, by the tracks of the printed circuit boards and wires.

Low-current non-rotary electrical contacts (Fig. 9) have a spherical contact and are lobed contacts of conductive material with spring properties. High-current non-rotary electrical contacts (Fig. 10) have overlays made of brush material, for example, bronzographite, and are lobe contacts made of conductive material with spring properties. Based on the brush holders of fixed electrical contacts is carried out due to their protrusions (Fig. 5, 6, 9, 10). The fixation of fixed contacts on the brush holders is carried out by soldering their base and protrusions to the brush holder (Fig. 5, 6).

The upper and lower contact blocks are installed on the stators upper 1 and lower 2 through the gaskets of the brush holders of the upper 5 and lower 6, respectively. The gaskets of the brush holders 5 and 6 are made of a dielectric material, for example fiberglass.

The rotation of the movable part is transmitted to the central shaft, consisting of a rotor 14 having splines for coupling with the drive, and a bearing sleeve 15.

The centering and transmission of torque to a rotating disk 16 having three grooves is carried out using a bearing sleeve 15 having three protrusions located on the outer circumference at an angle of 120 ° to each other.

The assembly of the inventive VKU-OES-VN is quite simple and is carried out as follows.

First, sub-assemblies are executed in parallel:

the upper contact block with the external electrical connector (soket) of the non-rotating part 7 by installing and soldering the low-current non-rotating electric contacts 21 and installing and soldering the external electric connector (sket) of the non-rotating part 7 on the upper brush holder 3 (Fig. 5);

lower contact block with an external electrical connector (soket) of the non-rotating part 7 by installing and soldering low-current non-rotating electrical contacts 21 and high-current non-rotating electric contacts 22 and installing and soldering an external electrical connector (soket) of the non-rotating part 7 on the lower brush holder 4 (Fig. 6).

Next, the first and second assembly units are assembled in parallel.

Assembly sequence of the first assembly unit

1. In the stator, the upper 1 is installed and secured with screws with a countersunk head, the gasket of the brush holder of the upper 5 and the subassembly (Fig. 5) are the upper contact block with the external electrical connector (soket) of the non-rotating part 7.

2. In the stator upper 1, a bearing 20 is mounted, which is fastened with a bearing cover 9 using countersunk screws.

3. In the groove of the stator of the upper 1, a rotary seal 8 is installed.

4. The rotor 14 and the bearing sleeve 15 are simultaneously mounted on the inner ring of the bearing 20. They are fastened with countersunk screws.

5. A rotating disk 16 is mounted on the bearing sleeve 15, which is fastened by a clamping ring 17 with countersunk screws.

6. A wire harness of the rotary part 18 is soldered to the through metallized holes of the rotating disk 16.

7. The second end of the wiring harness 18 is soldered to the external electrical connector (socket) of the rotary part 19.

8. An external electrical connector (socket) of the rotary part 19 is fixed in the casing 13.

9. The casing 13 is attached to the rotor 14 with screws.

Assembly sequence of the second assembly unit

1. In the stator lower 2 is installed and secured with screws with countersunk head gasket brush holder lower 6 and subassembly (Fig. 6) - lower contact block with an external electrical connector (soket) non-rotatable part 7.

2. In the stator lower 2 is installed and secured with countersunk screws laying the process plug 11 and the process plug 10.

Final assembly.

The first and second assembly units are combined into a multi-channel rotary device of vertical guidance with sliding current collectors using tightening screws 12 using sealant applied to the end surfaces of the stator upper 1 and lower 2 stator.

Dismantling is carried out in the reverse order.

The claimed VKU-OES-VN operates as follows. The drive rotates the central shaft, which transmits rotation to the rotating disk 16, while the concentric conductive copper tracks (rotary electrical contacts 23 and 24) slide relative to the tab contacts (non-rotary electrical contacts 21 and 22), thereby electrically connecting between the external electrical connector (socket) the rotary part 19 and the external electrical connectors (soket) of the non-rotatable part 7.

The effectiveness of the technical solutions incorporated in the design of the claimed VKU-OES-VN consists in simplifying the design and improving its technical and operational qualities on this basis, reducing its size and weight, increasing its maintainability and manufacturability.

The claimed VKU-OES-VN is simple in design, has a sufficient number of simultaneously transmitted current collector circuits of electrical signals of various frequencies and powers. The technology of its manufacture and assembly allows you to quickly master its production. The incorporated design solutions allow for quick replacement of worn-out rubbing elements of the current collector, while only one assembly unit with a faulty element can be disassembled.

Claims (1)

A vertical rotating contact device for an optoelectronic system (hereinafter VKU-OES-VN) consists of a housing inside which a central shaft mounted on a bearing support is placed, and a current collection part from a group of kinematically connected to the central shaft and interacting rotary and non-rotary electrical contacts, grouped into a block, characterized in that the non-rotating part includes: an upper stator and a lower stator, forming a housing, an upper contact block, consisting of a brush holder of the upper and botochnyh orbital electric contacts, lower contact unit consisting of the brush holder of the lower, non-rotating low-voltage electric contacts, and high-orbital electric contacts, exterior electrical connectors (socket), the rotary seal bearing cap, the technological plug; the rotary part includes: a rotor and a bearing sleeve forming a central shaft, a rotating disk with rotary electrical contacts, a pressure ring, a casing on which an external electrical connector (socket) is mounted, a wiring harness connecting the rotating disk to an external electrical connector (socket); external electrical connectors of the non-rotating part are placed on contact blocks, which are installed on the upper and lower stators through gaskets made of dielectric material, for example fiberglass; a distinctive feature of the rotor is that the rotating disk is made in the form of a multilayer printed circuit board, the top layer of which has concentric conductive copper tracks (rotary electrical contacts) of the same width for transmitting low-current signals, and its lower layer has concentric conductive copper tracks (rotary electrical contacts) of various widths for transmitting low-current signals and high-current signals; the upper brush holder is made in the form of a multilayer printed circuit board, the lower outer layer of which is designed to install low-current non-rotating electrical contacts, the lower brush holder is made in the form of a multilayer printed circuit board, the upper outer layer of which is designed to install low-current non-rotating electrical contacts and high-current non-rotating electrical contacts; low-current non-rotary electrical contacts are installed on the brush holders as follows: each concentric conductive copper path (low-current rotary electrical contact) of a rotating disk corresponds to an even number of low-current non-rotary electrical contacts depending on the current strength, half of which is directed in the same direction as the disk rotates, the other half - in the other side is against the direction of rotation of the disk, high-current non-rotary electrical contacts are installed radially on the brush holder, each concentric conductive copper path (high-current rotary electrical contact) of the rotating disk corresponds to a certain number of high-current non-rotary electrical contacts depending on the current strength; the rotation of the movable part is transmitted to the central shaft, which consists of a rotor having splines for coupling with the drive and a bearing sleeve; a distinctive feature is that the centering and transmission of torque to a rotating disk having three grooves is carried out using a bearing sleeve having three protrusions located on the outer circumference at an angle of 120 ° to each other; for fixing the rotating disk, a clamping ring is used, which is attached to the bearing sleeve with countersunk screws, has grooves used to align the rotor splines with the drive; the technological plug is made in the form of a disk, is installed through a sealing gasket in the center of the lower stator and closes the technological window intended for access to the rotary part when installing the device on the drive.

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