RU167552U1 - Multi-channel Sliding Current Collector - Google Patents

Abstract

(57) The utility model relates to the field of electrical engineering, in particular, to multi-channel collector devices used in electronic equipment for transmitting electrical control signals and DC and AC power voltages from the fixed part of the product to the movable and vice versa. The essence of the utility model is a multi-channel sliding current collector consists of a rotary part and a non-rotary part, which includes a lower stator and an upper stator, a lower contact block consisting of a lower brush holder and low-current non-rotary electrical contacts, an upper contact block consisting of an upper brush holder, low-current non-rotary electric contacts and strong non-rotating electrical contacts, external electrical connectors of the non-rotating part, rotary seal, bearing cover and technological Lushka, thus, the rotary portion comprises a rotor and the bearing sleeve forming the central shaft, a rotating disc with rotary switch contacts, the compression ring, the casing, on which is mounted an external electrical connector rotary part and the harness connecting the rotating disk to the electrical connector rotary part. In the utility model, the required technical result is achieved, which consists in increasing the maintainability and manufacturability of assembly and disassembly. Fig. 10.

Description

The utility model relates to the field of electrical engineering, in particular, to multi-channel collector devices used in electronic engineering for transmitting electrical control signals and supply voltage of direct and alternating currents from the fixed part of the product to the movable and vice versa.

Known multi-channel sliding current collector [RU 2193810, C2, H01R 39/02, 39/08, 11/27/2002], designed to transmit electrical signals from the fixed part of the machine to the rotary, built mainly into the corresponding hydraulic communication connectors of the crane manipulators, containing rigidly fixed with a fixed part of the hydraulic communication connector is a housing, inside of which there is a central shaft mounted on sliding bearings, with an output shaft fixed to the the gate part of the hydraulic communication connector, and the collector part from the group of kinematically connected to the housing and the central shaft and interacting with the rotary and rotary push-type electrical contacts communicated by wires with external electrical connectors, and, in the device, the non-rotary electrical contacts are made in the form of flat metal rings with a pair of two-leaf contacts diametrically riveted to them on one of the sides from spring-loaded properties conductive material, and rotary ones - in the form of flat metal rings spatially grouped into a block of corresponding contact pairs, current-insulated from each other and from the housing located in the internal cavity of the housing by means of flat ring disconnectors made of dielectric located between them and kinematically connected to the housing material with antifriction properties, the case is made detachable in the form of a closed glass lid of a dielectric material with a removable metal bottom, cr the arm and the bottom of which are provided with annular clamping teeth facing each other in contact with the upper and lower ends of the electrical contact unit, the central shaft is made integral in the form of a flat rod of a rectangular cross-sectional configuration of dielectric material, at the upper end of which is fixed with a finger passed through a radial bearing support in the housing cover with sealing by means of an annular seal metal output shank of tubular type, connected transversely oriented screw with an outer diameter covering it with the possibility of axial movement of a sleeve of dielectric material, equipped with an open socket for accommodating the upper electrical connector and a flat flange, to which a thin-walled protective casing with connecting holes is rigidly docked with axial screws for fixing it to the rotary part hydraulic communication connector, and a removable heel is fixed at the lower end by a transversely oriented screw made of a material with high antifriction properties, fixed in the end bearing support of the bottom of the housing with a split spring retaining ring, the kinematic connection of fixed electrical contacts and flat ring disconnectors with the housing is made by fixing them relative to it in the circumferential direction with the possibility of axial movement using a flat embedded key made of dielectric material interacting with its middle part with open slots of the corresponding profile in the bodies of the rings of the indicated electrical contacts and flat disconnectors, and the ends with longitudinally oriented grooves of the same configuration on the outer side surface of the ring teeth of the cover and the bottom of the housing, and the kinematic connection of the rotary electrical contacts with the central shaft is made by fixing them relative to its flat rod in the circumferential direction with the possibility of axial movement with the help of central grooves formed in the body of the indicated electrical contacts, profiled along the transverse se eniyu rod. 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.

The disadvantage of this device is the relatively low maintainability.

The closest analogue of the proposed is a multi-channel sliding current collector [patent RU 2351044, C2, H01R 39/00, 03/27/2009], comprising a cylindrical housing, inside of which there is a central shaft mounted on bearing bearings, a current-collecting part from the group of kinematically connected to the central shaft and interacting between a rotary and non-rotary electrical contacts, grouped into a block and communicated through wires with external electrical connectors through the output channels of the wiring, several blocks, mounted on a central shaft and assembled by means of tie rods into a bag, the block is made in the form of a functionally complete module and consists of a cylindrical metal segment sleeve made of dielectric material, for example, fiberglass, closed on top and bottom with insulating covers, inside of which are glued on the inside each cover disk holders made of insulating material, for example fiber plastic and a rotating disk located between them, fixed electric the contacts are made in the form of combs located in the bodies of the disk holders concentrically to the central shaft with crescent rings with petal contacts vertically oriented towards the rotating disk and the opposite ends pointing, the rotary contacts made in the form of flat metal rings symmetrically located concentrically to the central shaft on the opposite planes of the rotating disk , the central shaft is made in the form of a cross-shaped rod in the cross section of the config radios with a longitudinal groove on one rib of the cross section, the housing is made with an outer flange at the upper end and provided with diametrically located protrusions in its lower part, the kinematic connection of the rotary electrical contacts with the central shaft is made by fixing them relative to it in the circumferential direction and with the possibility of axial movement by fixed in a rotating disk of a dowel of a dielectric material made with a head profiled over a longitudinal cross section of the central groove of the central shaft, the output channels for laying wires to the lower external electrical connectors are made in the form of through longitudinal cavities formed by the inner surface of the casing and segments of the casing, the output channels for laying wires to the upper external electric connectors are made in the form of through longitudinal cavities formed by the walls of the landing holes of the blocks with cross-shaped ribs of the central shaft.

The disadvantage of the closest analogue is its relatively low maintainability due to the presence of a complicated kinematic connection of the electrical contacts with the housing and the central shaft, which makes it difficult to access wires for laying (soldering) the electrical contacts. In addition, it is difficult 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 its technical and operational qualities, reduce overall dimensions and weight, increase its maintainability and manufacturability of the assembly.

The required technical result achieved in the utility model is to increase the maintainability and manufacturability of the assembly and disassembly.

The problem is solved, and the required technical result is achieved in that the multi-channel sliding current collector consists of a rotary part and a non-rotary part, which includes a lower stator and an upper stator, forming a housing, a lower contact block, consisting of a lower brush holder and low-current non-rotary electrical contacts, a contact block the upper one, consisting of the upper brush holder, low-current non-rotating electrical contacts and high-current non-rotating electrical contacts, external electrical connectors are not the rotary part, the rotor seal, the bearing cover and the technological plug, while 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 electric connector of the rotary part is mounted, and a wiring harness connecting the rotary disk to the electrical connector of the rotary part, moreover, the external electrical connectors of the non-rotary part are placed on the contact blocks, which are mounted on the lower and upper stators through gaskets made of dielectric material, the rotating disk with rotary electrical contacts is made in the form of a multilayer printed circuit board, the lower layer of which has concentric conductive rotary electrical contacts of the same width for transmitting low-current signals, and its upper layer has concentric conductive rotary electrical contacts of different widths for transmission low-current and high-current signals, the lower brush holder is made in the form of a multilayer printed circuit board, the upper outer which is designed to install low-current non-rotary electrical contacts of the lower brush holder, 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-rotary electrical contacts and high-current non-rotary electrical contacts of the upper brush holder, low-current non-rotary electrical contacts of each lower and upper brush that conductive path corresponds to an even number of low current of electrical contacts, one half of which is directed along the rotating disk, and the other half in the opposite direction, high-current non-rotating electric contacts of the upper brush holder are installed radially on the upper brush holder, while each concentric current path of the rotating disk corresponds to the number of high-current non-rotating electric contacts of the upper brush holder, determined by the current , the central shaft consists of a rotor having splines for coupling with the drive, and a bearing w a door made with the possibility of centering and transmitting torque to a rotating disk and having three grooves located on the outer circumference at an angle of 120 ° to each other and designed to be placed in three corresponding ledges made on a rotating disk, the fixation of which is made by a clamping ring, which fastens to the bearing sleeve with countersunk screws and has grooves for combining the rotor splines with the drive, and the technological plug is made in the form of a disk installed through a seal ruyuschuyu gasket in the center of the upper stator, and configured to close the process window, designed to access the turning part during the installation of the current collector to the actuator.

The drawing shows the inventive multi-channel sliding current collector:

in FIG. 1 is a General view of the inventive multi-channel sliding current collector;

in FIG. 2 - view A (Fig. 1);

in FIG. 3 - view B (Fig. 1);

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

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

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

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

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

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

in FIG. 10 - high-current non-rotary electrical contact.

In the drawing are indicated:

1 - lower stator;

2 - upper stator;

3 - lower brush holder;

4 - upper brush holder;

5 - laying of the lower brush holder;

6 - laying of the upper brush holder;

7 - external electrical connectors fixed 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 of the rotary part;

20 - bearing;

21 - low-current non-rotary electrical contact of the upper and lower brush holder;

22 - high current non-rotating electrical contact of the upper brush holder;

23 - low-current rotary electrical contact of a rotating disk;

24 - high-current rotary electrical contact of a rotating disk. The multi-channel sliding current collector comprises a housing consisting of

from the stator of the lower 1 and the stator of the upper 2. The central shaft mounted on the bearing support is located in the housing, including the rotor 14 and the bearing sleeve 15, interconnected by screws with a countersunk head.

Technologically, a multi-channel sliding current collector has two assembly units. The first assembly unit includes: a lower stator 1, a lower holder 5 gasket, a rotary seal 8, a casing 13, a rotor 14, a bearing sleeve 15, a rotating disk 16, a pressure ring 17, a bearing 20, a bearing cover 9, a wire harness of the rotary part 18, external the electrical connector of the rotary part 19 and the subassembly (Fig. 5) is the lower contact block with the external electrical connector 7 of the non-rotating part. The second assembly unit includes: stator upper 2, gasket for brush holder upper 6, technological plug 10, gasket for technological plug 11 and subassembly (Fig. 6) - upper contact block with external electrical connector 7 of the non-rotating part. Assembly subassemblies (Fig. 5, 6), the first and second assembly units is carried out in parallel. The first and second assembly units are combined into the product using the tightening screws 12.

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

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

The lower brush holder 3 is made in the form of a multilayer printed circuit board, the upper outer layer of which is designed for installation and soldering of low-current non-rotating electrical contacts 21. It has a seat for installing and soldering the external electrical connector of the non-rotating part 7. The upper brush holder 4 is made in the form of a multilayer printed circuit board, lower the outer layer of which is intended for installation and soldering of low-current non-rotating electrical contacts 21 and high-current non-rotating electrical contacts 22. It has a landing second place for installation, and sealing the external electric connector 7 pivot portion.

Low-current non-rotary electrical contacts 21 are installed on the brush holders as follows (Fig. 5, 6): each concentric conductive 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, one half of which is directed in the direction of rotation of the disk, and the other half is 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 conductive 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-rotating electrical contacts (Fig. 9) have the shape of 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, bronzografit, and are lobe contacts of conductive material with spring-loaded 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 lower and upper contact blocks are installed on the stators lower 1 and upper 2 through the gaskets of the brush holders of the lower 5 and upper 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 the rotating disk 16, having three grooves, is carried out using a bearing sleeve 15 having three ledges located on the outer circumference at an angle of 120 ° to each other.

The assembly of the inventive multi-channel sliding current collector is quite simple and is as follows.

Initially, they are executed in parallel for assemblies:

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

the upper contact block with the external electrical connector 7 of the non-rotating part by installing and soldering low-current non-rotating electrical contacts 21 and high-current non-rotating electrical contacts 22 and installing and soldering the external electrical connector 7 of the non-rotating part on the upper 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 lower 1 is installed and secured with screws with a countersunk head, the gasket of the lower holder 5 and the subassembly (Fig. 5) are the lower contact block with the external electrical connector 7 of the non-rotating part.

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

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

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 18 of the rotary part 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 19 of the rotary part.

8. The external electrical connector 19 of the rotary part is fixed in the casing 13.

9. The casing 13 is attached to the rotor 14 with screws. The assembly sequence of the second assembly unit:

1. In the stator, the upper 2 is installed and secured with the countersunk head screws, the gasket of the upper brush holder 6 and the subassembly (Fig. 6) are the upper contact block with the external electrical connector 7 of the non-rotating part.

2. In the stator, the upper 2 is installed and secured with the help of countersunk head screws, the gasket 11 of the technological plug and the technological plug 10.

Final assembly.

The first and second assembly units are combined into a multichannel sliding current collector using tightening screws 12 using sealant applied to the end surfaces of the stator lower 1 and the stator upper 2.

Dismantling is carried out in the reverse order.

The claimed multi-channel sliding current collector operates as follows. The drive rotates the central shaft, which transmits rotation to the rotating disk 16, while the concentric conductive rotary electrical contacts 23 and 24 slide relative to the tab contacts (non-rotary electrical contacts 21 and 22), due to which the electrical connection between the external electrical connector 19 of the rotary part and the external electrical connector 7 fixed parts.

The effectiveness of the technical solutions incorporated into the design of the inventive multi-channel sliding current collector is to simplify the design and improve its technical and operational qualities on this basis, reduce overall dimensions and weight, increase its maintainability and manufacturability.

The inventive multi-channel sliding current collector is simple in design, has a sufficient number of simultaneously transmitted current collector circuits of electrical signals of different frequency and power. 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.

Thus, in the proposed device, the required technical result is achieved, which consists in increasing the maintainability and adaptability of assembly and disassembly.

Claims (1)

A multichannel sliding current collector, consisting of a rotary part and a non-rotary part, which includes a lower stator and an upper stator, forming a housing, a lower contact block, consisting of a lower brush holder and low-current non-rotating electrical contacts, an upper contact block, consisting of an upper brush holder, low-current non-rotating electric contacts and strong non-rotating electrical contacts, external electrical connectors of the non-rotating part, rotary seal, bearing cover and process plug y, while the rotary part includes a rotor and a bearing sleeve forming a central shaft, a rotary disk with rotary electrical contacts, a pressure ring, a casing on which an external electric connector of the rotary part is mounted, and a wire harness connecting the rotary disk to the electric connector of the rotary part, , the external electrical connectors of the non-rotating part are placed on the contact blocks, which are installed on the lower and upper stators through gaskets made of dielectric material, rotating a disk with rotary electrical contacts is made in the form of a multilayer printed circuit board, the lower layer of which has concentric conductive rotary electrical contacts of the same width for transmitting low-current signals, and its upper layer has concentric conductive electric contacts of different widths for transmitting low-current and high-current signals, 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-rotary electrical contacts of the lower brush holder, 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 of the upper brush holder and high-current non-rotating electrical contacts of the upper brush holder, low-current non-rotating electrical contacts of the lower and upper brush holder are installed in such a way that each current-carrying low-current path corresponds to an even number electrical contacts, one half of which is directed in the direction of rotation of the rotating disk, and the other half in the opposite direction, high-current non-rotary electrical contacts of the upper brush holder are installed radially on the upper brush holder, with each concentric current path of the rotating disk corresponding to the number of high-current non-rotary electrical contacts of the upper brush holder, determined by the current strength, the central shaft consists of a rotor having slots for clutch with a drive, and a bearing sleeve made with the possibility of centering and transmitting torque ententa on a rotating disk and having three grooves located on the outer circumference at an angle of 120 ° to each other and designed to be placed in three corresponding ledges made on a rotating disk, the fixation of which is made by a clamping ring that is attached to the bearing sleeve using countersunk screws head and has grooves for combining the slots of the rotor with the drive, and the technological plug is made in the form of a disk mounted through a sealing gasket in the center of the upper stator, and is made with the possibility closing the technological window intended for access to the rotary part when installing the current collector on the drive.

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