RU176770U1 - Horizontal rotating contact device for optoelectronic system (VKU-OES-GN) - 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. The technical result of the device is to simplify the design and improve its technical and operational qualities on this basis, reduce its size and weight, increase its maintainability and manufacturability of the assembly. the rotating horizontal guidance device is made in the form of a functionally complete module comprising a housing, inside of which a central shaft mounted on the bearing support is placed, and okosemnaya part consists of a group are kinematically connected to the central shaft and interacting between a rotating and non-rotating 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.

A current-collecting device is known that contains 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 ones 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 No. 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 located, 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 a block (Patent RU No. 2351044 C2, H01R 39/00, 03/27/2009).

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 ensure the 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 its technical and operational qualities, reduce overall dimensions and weight, increase its 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 an upper stator, a lower stator and a middle stator, forming a housing, high-current contact blocks upper and lower, consisting respectively of a brush holder of a high-current upper and lower and high current non-rotating electrical contacts, low-current contact blocks upper and lower, respectively from the brush holder of the low-current upper and lower and low-current non-rotary electrical contacts, rotary seal, bearing cover, wiring harnesses, connection sagging brush holders with external electrical connectors (plugs); the rotary part includes a rotor flange, a rotary sleeve and a support sleeve forming a central shaft, a high-current rotating disk with rotary electrical contacts, a low-current rotating disk with rotary electrical contacts, wire harnesses connecting the rotating disks to external electrical connectors (sockets); contact blocks are installed on the upper, middle and lower stators through gaskets made of dielectric material, for example fiberglass; a high-current rotating disk is made in the form of a multilayer printed circuit board, the outer layers of which have concentric conductive copper tracks (rotary electrical contacts) of various widths depending on the current strength for transmitting high-current signals; a low-current rotating disk is made in the form of a multilayer printed circuit board, the outer layers of which have concentric conductive copper tracks (rotary electrical contacts) of the same width to transmit low-current signals; high-current brush holders, upper and lower, are made in the form of a multilayer printed circuit board, respectively, the lower and upper outer layer of which is designed for installing high-current non-rotary electrical contacts; brush holders low-current upper and lower are made in the form of a double-sided printed circuit board, respectively, the lower and upper outer layer of which is designed to install low-current non-rotary electrical contacts; low-current non-rotating electrical contacts are installed on the brush holders as follows: each current-carrying copper path (low-current rotating electrical contact) of a low-current rotating disk corresponds to an even number of low-current non-rotating electrical contacts depending on the current strength, half of which are directed in one direction in the direction of rotation of the disk, half - in the opposite direction against the course of rotation of the disk; high-current non-rotary electrical contacts are installed on the brush holders radially, while each concentric conductive copper path (high-current rotary electrical contact) of a high-current rotating disk corresponds to the number of high-current non-rotary electrical contacts depending on the current strength; rotation of the movable part is transmitted to the central shaft, which consists of a rotor sleeve, a support sleeve, and a rotor flange having splines providing adhesion to the drive; centering and transmission of torque to a high-current rotating disk having three grooves is carried out using a rotary sleeve having three ledges located on the outer circumference at an angle of 120 ° to each other; centering and transmission of torque to a low-current rotating disk having three grooves is carried out using a support sleeve having three ledges located on the outer circumference at an angle of 120 ° to each other; the central shaft has a cylindrical cavity designed to accommodate the necessary equipment, such as a rotating optical transition.

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

in FIG. 1 is a general view of the inventive horizontal rotating contact device for an optoelectronic system (hereinafter VKU-OES-GN) (wire harnesses and external electrical connectors of the non-rotating part and the rotary part are not conventionally shown);

in FIG. 2 is a view A of FIG. one;

in FIG. 3 is a view B of FIG. 1 (wiring harnesses and external electrical connectors of the rotary part are not conventionally shown);

in FIG. 4 is a view BB of FIG. 2 (wiring harnesses and external electrical connectors of the non-rotating part and the rotating part are not conventionally shown);

in FIG. 5 - block contact high-current top (view from the side of a high-current rotating disk);

in FIG. 6 - contact block high-current lower (view from the side of a high-current rotating disk);

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

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

in FIG. 9 - high-current rotating disk (view from the side of the block contact high-current top);

in FIG. 10 - high-current rotating disk (view from the side of the block contact high-current bottom);

in FIG. 11 - low-current rotating disk (view from the side of the block contact low-current upper);

in FIG. 12 - low-current rotating disk (view from the side of the contact block low-current lower);

in FIG. 13 - low-current non-rotating electrical contact;

in FIG. 14 - high-current non-rotary electrical contact.

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

1 - upper stator;

2 - lower stator;

3 - medium stator;

4 - high current brush holder;

5 - brush holder high-current lower;

6 - brush holder low current upper;

7 - brush holder low-current lower;

8 - gasket brush holder high current top;

9 - gasket brush holder high current bottom;

10 - gasket brush holder low-current top;

11 - gasket brush holder low-current lower;

12 - a bearing cover;

13 - wiring harness fixed part;

14 - external electrical connector (plug) fixed part;

15 - rotary seal;

16 - coupling screw;

17 - a rotor flange;

18 - rotary sleeve;

19 - supporting sleeve;

20 - high-current rotating disk;

21 - low-current rotating disk;

22 - a plait of wires of a rotary part;

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

24 - the bearing;

25 - low current non-rotating electrical contact;

26 - high current non-rotating electrical contact;

27 - low-current rotary electrical contact;

28 - high-current rotary electrical contact.

Declare VKU-OES-GN (Fig. 1, 2, 3, 4) contains a housing consisting of a stator upper 1, a lower stator 2 and a middle stator 3, inside which a central shaft mounted on a bearing support is installed, including a rotor flange 17, a sleeve rotor 18 and bearing sleeve 19.

Technologically, the named device has three assembly units. The first assembly unit includes a stator upper 1, a gasket of the high-current top brush holder 8 and a sub-assembly (Fig. 5) - a high-current contact block with a soldered wire harness of the non-rotatable part 13. The second assembly unit includes a stator lower 2, a low-current lower brush holder 11, a rotary seal 15 and sub-assembly (Fig. 8) - lower contact low-current block with a soldered wire harness of the non-rotating part 13. The third assembly unit includes a middle stator 3, a high-current lower brush holder gasket 9, rocking of the brush holder of the low-current top 10, bearing 24, the bearing cover 12, the rotary sleeve 18, the supporting sleeve 19, the high-current rotating disk 20, the low-current rotating disk 21, the harnesses of the rotary part 22, the subassembly (Fig. 6) - low-current contact block with a soldered the wiring harness of the fixed part 13 and the subassembly (Fig. 7) - the contact block low-current upper with the soldered wiring harness of the non-rotating part 13. Assembling the subassemblies (Fig. 7). 5, 6, 7, 8), the first, second and third assembly units are carried out in parallel. The product includes the first, second and third assembly units, which are combined using the clamping screws 16, the rotor flange 17, the external electrical connectors (plugs) of the non-rotating part 14 and the external electrical connectors (sockets) of the rotary part 23.

A high-current rotating disk (Fig. 9, 10) is made in the form of a multilayer printed circuit board, the outer layers of which have concentric conductive copper tracks (high-current rotary electrical contacts 28) of various widths depending on the current strength for transmitting high-current signals. A low-current rotating disk (Fig. 11, 12) is made in the form of a multilayer printed circuit board, the outer layers of which have concentric conductive copper tracks (low-current rotary electrical contacts 27) of the same width to transmit low-current signals. In the central part of a high-current rotating disk (Fig. 9, 10) and a low-current rotating disk (Fig. 11, 12), there are through metallized holes of the printed circuit board designed to solder the wire harnesses of the rotary part 22 connecting the rotating disks 20, 21 (Fig. 4) with external electrical connectors (sockets) of the rotary part 23 (Fig. 2).

High-current contact blocks upper (Fig. 5) and lower (Fig. 6), respectively, consist of a high-current brush holder 4 upper and lower 5 and high-current non-rotating electrical contacts 26. Low-current contact blocks upper (Fig. 7) and lower (Fig. 8) are respectively from the brush holder of the low-current upper 6 and lower 7 and low-current non-rotary electrical contacts 25.

High-current brush holders, upper 4 and lower 5, are made in the form of a multilayer printed circuit board, respectively, the lower and upper outer layer of which is designed for installation and soldering of high-current non-rotating electrical contacts 26.

Brush holders low-current upper 6 and lower 7 are made in the form of a double-sided printed circuit board, respectively, the lower and upper outer layer of which is designed for installation and soldering of low-current non-rotary electrical contacts 25.

Each brush holder has a protruding outer part on which there are through metallized holes for soldering the wiring harness of the fixed part 13 connecting the brush holder to the external electrical connector (plug) of the fixed part 14.

Low-current non-rotary electrical contacts 25 are installed on the brush holders as follows (Fig. 7, 8): each concentric conductive copper path (low-current rotary electrical contact 27) of a low-current rotary disk 21 corresponds to an even number of low-current non-rotary electrical contacts 25 depending on the current strength, half of which is directed to 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-rotating electrical contacts 26 are installed on the brush holder radially (Fig. 5, 6), with each concentric current-conducting copper path (high-current rotating electrical contact 28) of a high-current rotating disk 20 corresponding to the number of high-current non-rotating electrical contacts 26 depending on the current strength.

Non-rotating electrical contacts 25, 26 and rotary electrical contacts 27, 28 form contact pairs (25-27 and 26-28), which are connected to the corresponding external electrical connectors 14 and 23, respectively, by the tracks of the printed circuit boards and wires.

Low-current non-rotary electrical contacts (Fig. 13) have a spherical contact and are lobed contacts of conductive material with spring properties. High-current non-rotary electrical contacts (Fig. 14) have overlays made of brush material, for example, bronzografit and are lobed 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, 7, 8, 13, 14). 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, 7, 8).

Contact blocks high-current upper and lower and low-current upper and lower are installed on the stators upper 1, middle 2 and lower 3 through the gaskets of the brush holders of high-current upper 8 and lower 9 and low-current upper 10 and lower 11, respectively. The gaskets of the brush holders 8, 9, 10 and 11 are made of a dielectric material, for example fiberglass.

The rotation of the movable part is transmitted to the central shaft, which consists of the rotor sleeve 18, the support sleeve 19, and the rotor flange 17 having splines for coupling with the drive.

The centering and transmission of torque to a high-current rotating disk 20 having three grooves is carried out using a rotary sleeve 18 having three ledges located on the outer circumference at an angle of 120 ° to each other; centering and transmission of torque to a low-current rotating disk 21 having three grooves is carried out using the support sleeve 19 having three ledges located on the outer circumference at an angle of 120 ° to each other.

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

Initially, four subassemblies are executed in parallel:

contact blocks high-current upper and lower and low-current upper and lower with a soldered wire harness of the non-rotating part 13 are assembled by installing and soldering high-current non-rotating electrical contacts 26 on the brush holders high-current upper 4 (Fig. 5) and lower 5 (Fig. 6) and low-current non-rotating electrocontacts 25 on the brush holders, low-current upper 6 (Fig. 7) and lower 7 (Fig. 8) and soldering the wire harness of the fixed part 13 to the through metallized holes that are located on the protruding outer part of the brush holder her 4, 5, 6 and 7, respectively.

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

Assembly sequence of the first assembly unit.

1. In the stator, the top 1 is installed and secured with screws with a countersunk head, the gasket of the brush holder of the high-current top 8 and the sub-assembly (Fig. 5) - the contact block high-current top with a soldered wire harness of the non-rotating part 13.

2. The free end of the wiring harness of the non-rotating part 13 is passed through the hole provided for this in the stator upper 1.

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 low-current lower 11 and subassembly (Fig. 8) - contact block low-current lower with soldered wire harness fixed part 13.

2. The free end of the wiring harness of the non-rotating part 13 is passed through the hole provided for this in the lower stator 2.

3. In the groove of the stator lower 2 is installed a rotary seal 15.

Assembly sequence of the third assembly unit.

1. In the stator middle 3, a bearing 24 is mounted, which is fastened with a bearing cover 12 using countersunk screws.

2. In the stator middle 3 are installed and secured with screws with a countersunk head, gaskets of brush holders of high-current lower 9 and low-current upper 10 and subassembly contact block high-current lower (Fig. 6) and low-current upper (Fig. 7) with soldered wire harnesses of fixed part 13 .

3. On the inner ring of the bearing 24 is installed sleeve support 19.

4. On the inner ring of the bearing 24, depending on the thickness of the high-current rotary disk 20, if necessary, an expansion joint is installed.

5. A high-current rotating disk 20 with soldered wire harnesses of the rotary part 22 is mounted and secured with a countersunk head onto the sleeve support 19.

6. On the high-current rotating disk 20, the rotor sleeve 18 is installed and secured with countersunk screws.

7. A low-current rotating disk 21 with soldered wire harnesses of the rotary part 22 is mounted and secured with countersunk head screws to the support sleeve 19, while the free ends of the wire harnesses 22 are passed through the support sleeve 19 and the rotor sleeve 18 intended for this window.

Final assembly sequence.

1. The free ends of the wire harnesses of the non-rotatable part 13, soldered to the contact blocks high-current lower and low-current upper, are passed through the holes intended for this purpose in the stators upper 1 and lower 2, respectively.

2. The first, second and third assembly units are combined using the coupling screws 16 using sealant applied to the end surfaces of the stator upper 1, lower stator 2 and middle stator 3.

3. The rotor flange 17 is mounted and secured with countersunk head screws to the rotor sleeve 18, while the free ends of the wire harnesses of the rotary part 22 are passed through the rotor flange 17 windows intended for this purpose.

4. The second ends of the wire harnesses of the non-rotating part 13 and the rotating part 22 are soldered to the external electrical connectors of the non-rotating part (plugs) 14 and the rotary part (sockets) 23, respectively.

Dismantling is carried out in the reverse order.

The claimed VKU-OES-GN operates as follows. The drive rotates the central shaft, which transmits rotation to high-current 20 and low-current 21 rotary disks, while concentric conductive copper tracks (rotary electrical contacts 27 and 28) slide relative to the tab contacts (non-rotary electrical contacts 25 and 26), due to which electrical connection between external electrical connectors (sockets) of the rotary part 23 and external electrical connectors (plugs) of the rotary part 14.

The effectiveness of the technical solutions incorporated into the design of the claimed VKU-OES-GN 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-GN 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 horizontal rotating contact device for an optoelectronic system (hereinafter VKU-OES-GN) 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, a lower stator and a middle stator, forming a housing, high-current contact blocks upper and lower, with respectively facing the brush holder of the upper and lower high-current and high-orbital electric contacts, contact blocks low-current upper and lower, respectively, of the brush holder and the low-current upper and lower non-rotating low-voltage electric contacts, the rotary seal bearing cap, the harnesses connecting the brush holders with external electrical connectors; the rotary part includes a rotor flange, a rotary sleeve and a support sleeve forming a central shaft, a high-current rotating disk with rotary electrical contacts, a low-current rotating disk with rotary electrical contacts, wire harnesses connecting the rotating disks to external electrical connectors; contact blocks are installed on the stators - upper, lower and middle through gaskets of dielectric material; high-current rotating disk is made in the form of a multilayer printed circuit board, the outer layers of which have concentric conductive copper tracks - rotary electrical contacts of different widths for transmitting high-current signals; low-current rotating disk is made in the form of a multilayer printed circuit board, the outer layers of which have concentric conductive copper tracks - rotary electrical contacts of the same width to transmit low-current signals; the high-current brush holder is made in the form of a multilayer printed circuit board, the lower outer layer of which is designed for fastening high-current non-rotating electrical contacts, the high-current brush holder is lower in the form of a multilayer printed circuit board, the upper outer layer of which is designed for fastening high-current non-rotating electrical contacts, the low-current upper brush holder is made in the form of double-sided boards, the lower outer layer of which is intended for fastening low-current non-rotating electrically contacts the lower low-current brush holder is formed as a double-sided printed circuit boards, the upper outer layer of which is intended for mounting non-rotating low-voltage electric contacts; low-current non-rotary electrical contacts are placed on the brush holders as follows: each conductive copper path corresponds to an even number of low-current non-rotary electrical contacts, half of which are directed in the direction of rotation of the disk, half - against the direction of rotation of the disk; high-current non-rotary electrical contacts are placed radially on the brush holders; torque transmission of the moving part is carried out on the central shaft, consisting of a rotor flange having splines for coupling with the drive, rotor bushings and supporting bushings; centering and transmission of torque to a high-current rotating disk having three grooves is carried out using a rotor sleeve having three steps, centering and transmission of torque to a low-current rotating disk having three grooves is carried out using a supporting sleeve having three steps; the central shaft has a cylindrical cavity designed to accommodate a rotating optical transition.

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