CN110718821A - Electric transmission device with high-precision angle measurement function and manufacturing method thereof - Google Patents

Abstract

The invention discloses an electric transmission device with high-precision angle measurement function and a preparation method thereof. The stator of a circular induction synchronizer is connected with the stator of a conductive slip ring, and the rotor of the circular induction synchronizer is connected with the rotor of the conductive slip ring. The excitation signal line of the stator of the circular induction synchronizer is connected with the lead wire of the conductive slip ring stator, the excitation signal line of the rotor of the circular induction synchronizer is connected with the lead wire of the rotor of the conductive slip ring, and the electric transmission device with high precision angle measurement function is supported by the bearing. The invention integrates the circular induction synchronizer inside the conductive slip ring, realizes the relative rotation of the circular induction synchronizer by using the relative rotation of the conductive slip ring, realizes the transmission of ordinary power and electrical signals and high-precision angle measurement, and the invention solves the problem. The conventional conductive slip ring and the circular induction synchronizer occupy a large installation space, and the circular induction synchronizer easily interferes with the outgoing wire of the conductive slip ring.

Description

Electric transmission device with high-precision angle measurement function and preparation method thereof

technical field

The invention relates to an electric transmission device, in particular to an electric transmission device with a high-precision angle measurement function and a preparation method thereof.

Background technique

The conductive slip ring is a transmission device for electric power and electrical signals. Its working principle is to realize the precise transmission and connection of the signal between the two parts through the relative rotation of the stator part and the rotor part of the conductive slip ring.

The circular induction synchronizer is a high-precision angle measuring device that uses the electromagnetic principle to convert linear displacement and angular displacement into electrical signals.

Both circular induction synchronizers and conductive slip rings are widely used in high-precision servo turntables, radar antennas, positioning and tracking of artillery and radio telescopes, precision CNC machine tools and high-precision position detection systems. In the process of use, the circular induction synchronizer and the conductive slip ring are often required to be used together. The circular induction synchronizer and the conductive slip ring are installed on the rotating mechanism as two separate units, which occupy a large installation space, and the circular induction synchronization The outgoing wires of the stator and rotor of the slip ring are easy to interfere with the outgoing wires of the stator and rotor of the conductive slip ring. Therefore, how to solve the installation of circular induction synchronizer and conductive slip ring is particularly important.

SUMMARY OF THE INVENTION

The first object of the present invention is to provide an electric transmission device with angle measuring function, which can reduce the installation difficulty of the circular induction synchronizer, is easy to install, simple to outlet, and has less mutual interference between excitation signals. The synchronizer is integrated in the conductive slip ring, and the relative rotation of the conductive slip ring is used to realize the relative rotation of the circular induction synchronizer, so as to realize the transmission of ordinary power, electrical signals and high-precision angle measurement.

The first object of the present invention is to provide a method for preparing an electrical transmission device with an angle measurement function.

The first object of the present invention is achieved in this way:

An electrical transmission device with a high-precision angle measurement function, including a conductive slip ring rotor, a conductive slip ring stator, a conductive slip ring left bearing, a conductive slip ring right bearing, a brush assembly and a ring piece. The conductive slip ring left bearing and the conductive slip ring right bearing are sleeved between the slip ring stators, so that the conductive slip ring rotor sleeved in the conductive slip ring stator can rotate relative to the conductive slip ring stator. There are several evenly arranged ring pieces on it, the brush assembly with electric brush wire is installed on the outer side wall of the conductive slip ring stator through the brush assembly screw, and the electric brush wire in the brush assembly is in sliding contact with the ring piece. Yes: It also includes circular induction synchronizer stator and circular induction synchronizer rotor. The flat circular induction synchronizer rotor is installed on the rotor wing plate at the left end of the conductive slip ring rotor through rotor screws, so that the circular induction synchronizer rotor and the conductive slip ring are connected. The rotors are fixed together, and the circular induction synchronizer rotor can rotate together with the conductive slip ring rotor; a stator groove is arranged in the middle of the stator blade at the left end of the conductive slip ring stator, and the flat circular induction synchronizer stator is embedded in the stator groove , and installed on the stator wing plate of the conductive slip ring stator through stator screws, so that the circular induction synchronizer stator and the conductive slip ring stator are fixed together; the excitation signal line of the circular induction synchronizer stator is connected with the conductive slip ring stator lead wire, The excitation signal line of the rotor of the circular induction synchronizer is connected with the lead wire of the rotor of the conductive slip ring.

The outer end face of the circular induction synchronizer stator is flush with the outer end face of the stator vane.

The second object of the present invention is achieved as follows:

A preparation method of an electric transmission device with an angle measurement function is characterized in that: the specific steps are as follows:

A. Preparation of circular induction synchronizer rotor:

The base material of the rotor of the circular induction synchronizer is aluminum. The shape of the rotor of the circular induction synchronizer is completed by turning and milling, and the outer circle, inner hole and both ends of the base plate of the circular induction synchronizer are semi-finished. After the dimensional stability treatment, the casting of the rotor of the circular induction synchronizer and the bonding of the copper skin are carried out;

After the copper skin is bonded, mark the rotor of the circular induction synchronizer. When the outer channel is marked, place the rotor of the circular induction synchronizer on a high-precision toothed disc for indexing, and mill it out with a saw blade milling cutter. The channel engraved line is milled out by the machining center;

In order to ensure the reliability of the installation of the rotor of the circular induction synchronizer and the reliability of signal transmission, the two end faces of the rotor of the circular induction synchronizer are ground by grinding, so that the parallelism between the two end faces is not greater than 0.005mm. Fix the tooling so that the parallelism between the copper skin and the end face of the rotor of the circular induction synchronizer is not more than 0.005mm;

B. Preparation of circular induction synchronizer stator

The base material of the circular induction synchronizer stator is aluminum, and the shape of the circular induction synchronizer stator is processed by turning and milling. After the dimensional stability treatment, the casting of the circular induction synchronizer stator and the copper skin bonding are carried out;

After the copper skin is bonded, mark the stator of the circular induction synchronizer. When the outer channel is marked, place the stator of the circular induction synchronizer on the high-precision toothed disc for indexing, and mill it out with a saw blade milling cutter. The channel engraved line is milled out by the machining center;

In order to ensure the reliability of the installation of the stator of the circular induction synchronizer and the reliability of signal transmission, the two end faces of the stator of the circular induction synchronizer are ground by grinding, so that the parallelism between the two end faces is not greater than 0.005mm, and the copper skin is designed to bond Tooling, so that the parallelism between the copper skin and the end face of the circular induction synchronizer stator is not more than 0.005mm;

C. Preparation of conductive slip ring rotor:

The conductive slip ring rotor is composed of a central shaft with aluminum base material, a ring piece with brass base material and epoxy resin glue. The ring pieces are placed on the central shaft in sequence, and epoxy resin glue is poured into the center of the central shaft. , After the epoxy resin glue is fixed, a "V"-shaped groove is processed on the surface of the ring piece;

In order to ensure the installation accuracy with the circular induction synchronizer, after the conductive slip ring rotor is prepared, the mating surface of the conductive slip ring rotor is finished, so that the perpendicularity between the mating surface and the circumferential surface is not more than 0.005mm, and the surface finish is not more than 0.04;

D. Preparation of conductive slip ring stator

The base material of the conductive slip ring stator is aluminum, and the shape of the conductive slip ring stator is completed by turning and milling. In order to ensure the corrosion resistance of the conductive slip ring stator, the surface of the conductive slip ring stator is treated with natural color conductive oxidation;

In order to ensure the installation accuracy of the circular induction synchronizer, after the natural conductive oxidation treatment of the conductive slip ring stator is completed, the mating surface of the conductive slip ring stator is finished, so that the perpendicularity between the mating surface and the circumferential surface is not more than 0.005mm, and the surface smoothness not greater than 0.04;

E. Preparation of brush assembly:

Install the brush wire of the brush assembly on the brush positioning plate according to the conventional method, and debug the pressure angle of the brush wire. After the debugging is completed, dispense glue to fix the brush at the position where the brush wire exits the brush positioning plate. At the same time, one end of the conductive slip ring stator lead wire is welded to the brush wire, and glue is applied to the top of the brush positioning plate to perform high temperature aging to eliminate the stress of the brush wire;

F. Preparation of Ring Sheets

A 75° "V"-shaped groove is machined on the circumferential surface of the ring piece, the groove depth is 0.5mm, and the surface roughness of the "V"-shaped groove is less than 0.2; Pd-Ni, the thickness is 7μm, the hardness is 360Hv, after electroplating, the surface of the "V"-shaped groove is polished to improve the surface roughness of the ring groove to less than 0.2;

G. Preparation of electric transmission device with high-precision angle measurement function:

First, insert the stator of the circular induction synchronizer into the stator groove, and then connect it with the conductive slip ring stator through stator screws. The circular induction synchronizer rotor is connected with the conductive slip ring rotor through the rotor screw. The excitation signal of the circular induction synchronizer stator The wire is connected with the lead wire of the conductive slip ring stator, the excitation signal wire of the rotor of the circular induction synchronizer is connected with the lead wire of the conductive slip ring rotor. The transmission device can realize the transmission of excitation signal, ordinary power and electric signal.

The invention integrates the circular induction synchronizer inside the conductive slip ring, and utilizes the relative rotation of the conductive slip ring to realize the relative rotation of the circular induction synchronizer, thereby realizing the transmission of ordinary power and electrical signals and high-precision angle measurement. The present invention has the following advantages:

1. Install the circular induction synchronizer inside the conductive slip ring, so that the circular induction synchronizer and the conductive slip ring are organically combined. The circular induction synchronizer no longer needs a separate assembly space during assembly, which can save the cost of the whole machine. Installation space, the installation of the circular induction synchronizer is also very simple;

2. Installing the circular induction synchronizer inside the conductive slip ring can improve the installation accuracy of the circular induction synchronizer stator and the circular induction synchronizer rotor, and improve the reliability of the angle measurement signal transmission;

3. The circular induction synchronizer is installed inside the conductive slip ring, and the circular induction synchronizer no longer needs to be assembled separately, which can reduce the installation difficulty of the circular induction synchronizer;

4. Connect the excitation signal line of the stator of the circular induction synchronizer to the lead wire of the conductive slip ring stator, the excitation signal line of the rotor of the circular induction synchronizer to the lead wire of the rotor of the conductive slip ring, and the excitation of the rotor of the circular induction synchronizer and the stator of the circular induction synchronizer The signal line is no longer led separately, and the outgoing line is simplified, so it can effectively prevent the excitation signal line of the circular induction synchronizer from interfering with the structure of the whole machine, and the mutual interference between the excitation signals is small.

Under the circumstance that there is no electric transmission device with angle measuring function in China at present, the applicant, on the basis of a large number of process experiments, exploration and research, pioneered the nesting of the circular induction synchronizer inside the conductive slip ring, and invented the belt The conductive slip ring with the angle measuring function has successfully realized the angle measuring function in the conductive slip ring, thus filling the domestic blank.

Description of drawings

Fig. 1 is the structural representation of the present invention;

Among them: 101-circular induction synchronizer stator; 102-circular induction synchronizer rotor; 103-conductive slip ring left bearing; 104-conductive slip ring rotor; 105-conductive slip ring stator; 106-conductive slip ring right bearing; 107- 108-rotor screw; 109-brush assembly; 110-ring piece; 111-brush assembly screw; 112-rotor blade; 113-stator groove; 114-stator blade.

Detailed ways

The present invention will be described in further detail below in conjunction with examples and with reference to the accompanying drawings.

An electrical transmission device with high-precision angle measurement function, comprising a circular induction synchronizer stator 101, a circular induction synchronizer rotor 102, a conductive slip ring left bearing 103, a conductive slip ring rotor 104, a conductive slip ring stator 105, and a conductive slip ring The right bearing 106, the brush assembly 109 and the ring piece 110, the conductive slip ring left bearing 103 and the conductive slip ring right bearing 106 are sleeved between the conductive slip ring rotor 104 and the conductive slip ring stator 105, so that the conductive slip ring stator is sleeved The conductive slip ring rotor 104 in 105 can rotate relative to the conductive slip ring stator 105. A number of ring pieces 110 are arranged on the outer side wall of the conductive slip ring rotor 104 in a uniform arrangement, and the brush assembly 109 with the electric brush wire passes through. The brush assembly screw 111 is installed on the outer side wall of the conductive slip ring stator 105, the brush wire in the brush assembly 109 is in sliding contact with the ring piece 110, and the flat circular induction synchronizer rotor 102 is installed on the conductive slip through the rotor screw 108. On the rotor blade 112 at the left end of the ring rotor 104, the circular induction synchronizer rotor 102 and the conductive slip ring rotor 104 are fixed together, and the circular induction synchronizer rotor 102 can rotate together with the conductive slip ring rotor 104; on the conductive slip ring stator 105 There is a stator groove 113 in the middle of the stator blade 114 at the left end, and the flat circular induction synchronizer stator 101 is embedded in the stator groove 113, and is installed on the stator blade 114 of the conductive slip ring stator 105 through stator screws 107, The circular induction synchronizer stator 101 and the conductive slip ring stator 105 are fixed together; the excitation signal line of the circular induction synchronizer stator 101 is connected with the stator lead of the brush assembly 109 on the conductive slip ring stator 105, and the circular induction synchronizer rotor The excitation signal line 102 is connected to the rotor lead of the ring piece 110 on the conductive slip ring rotor 104 .

The outer end face of the circular induction synchronizer stator 101 is flush with the outer end face of the stator vane 114 .

When the customer's complete machine is used, on the mechanical interface, only the conductive slip ring stator 105 needs to be fixed with the customer's complete machine stator, and the wire slip ring rotor 104 is fixed with the customer's complete machine rotor; on the electrical performance interface, the circular induction synchronizer The excitation signal lines of the rotor and the stator of the circular induction synchronizer no longer go out separately, but are respectively connected with the conductive slip ring stator lead and rotor lead. Realize the transmission of excitation signal and ordinary power and electrical signal.

After the customer's complete machine is started, the electrical transmission device with angle measurement function realizes relative rotational motion through the left bearing 103 of the conductive slip ring and the right bearing 106 of the conductive slip ring.

A preparation method of an electric transmission device with an angle measurement function is characterized in that: the specific steps are as follows:

A. Preparation of circular induction synchronizer rotor 102:

The base material of the circular induction synchronizer rotor 102 is aluminum, and the outer shape of the circular induction synchronizer rotor 102 is processed by turning and milling. Semi-finishing allowance, after dimensional stability treatment, the casting of the rotor of the circular induction synchronizer and the bonding of copper skin;

After the copper skin bonding is completed, carry out the marking of the circular induction synchronizer rotor 102. When the outer channel is marked, place the circular induction synchronizer rotor on a high-precision toothed disc for indexing, and mill it out with a saw blade milling cutter. The inner channel engraved line is milled out by the machining center;

In order to ensure the reliability of the installation of the circular induction synchronizer rotor 102 and the reliability of signal transmission, the two end faces of the circular induction synchronizer rotor 102 are ground by grinding, so that the parallelism between the two end faces is not greater than 0.005mm. The skin is bonded to the tooling, so that the parallelism between the copper skin and the end face of the rotor 102 of the circular induction synchronizer is not more than 0.005mm;

B. Preparation of circular induction synchronizer stator 101

The base material of the circular induction synchronizer stator 101 is aluminum, and the shape of the circular induction synchronizer stator 101 is processed by turning and milling. For the semi-finishing allowance, after the dimensional stability treatment, the casting of the circular induction synchronizer stator 101 and the copper skin bonding are carried out;

After the copper skin is bonded, carry out the marking of the stator 101 of the circular induction synchronizer. When the outer channel is marked, place the stator of the circular induction synchronizer on the high-precision toothed disc for indexing, and mill it out with a saw blade milling cutter. The inner channel engraved line is milled out by the machining center;

In order to ensure the reliability of the installation and signal transmission of the circular induction synchronizer stator 101, the two end faces of the circular induction synchronizer stator 101 are ground by grinding, so that the parallelism between the two end faces is not greater than 0.005mm, and the copper skin is designed at the same time. Bond the tooling so that the parallelism between the copper skin and the end face of the circular induction synchronizer stator 101 is not greater than 0.005mm;

C. Preparation of conductive slip ring rotor 104:

The conductive slip ring rotor 104 is composed of a central shaft whose base material is aluminum, a ring piece 110 whose base material is brass, and epoxy resin glue. Oxygen resin glue, after the epoxy resin glue is fixed, a "V"-shaped groove is processed on the surface of the ring piece 110;

In order to ensure the installation accuracy with the circular induction synchronizer, after the conductive slip ring rotor 104 is prepared, the mating surface of the conductive slip ring rotor 104 is finished, so that the perpendicularity between the mating surface and the circumferential surface is not greater than 0.005mm, and the surface finish is not greater than 0.04;

D. Preparation of conductive slip ring stator 105

The base material of the conductive slip ring stator 105 is aluminum, and the shape of the conductive slip ring stator 105 is processed by turning and milling. oxidation treatment;

In order to ensure the installation accuracy of the circular induction synchronizer, after the natural conductive oxidation treatment of the conductive slip ring stator 105 is completed, the mating surface of the conductive slip ring stator 105 is finished, so that the perpendicularity between the mating surface and the circumferential surface is not greater than 0.005mm, The surface finish is not more than 0.04;

E. Preparation of brush assembly 109:

Install the brush wire of the brush assembly 109 on the brush positioning plate according to the conventional method, and adjust the pressure angle of the brush wire. At the same time, one end of the conductive slip ring stator lead wire is welded to the brush wire, and glue is applied to the top of the brush positioning plate to perform high temperature aging to eliminate the stress of the brush wire;

F, the preparation of ring sheet 110

A 75° "V"-shaped groove is machined on the circumferential surface of the ring piece 110, the groove depth is 0.5mm, and the surface roughness of the "V"-shaped groove is less than 0.2; Palladium-nickel Pd-Ni, thickness of 7μm, hardness of 360Hv, after electroplating, the surface of the "V"-shaped groove is polished to improve the roughness of the ring groove surface to less than 0.2;

G. Preparation of electric transmission device with high-precision angle measurement function:

First, the circular induction synchronizer stator 101 is embedded in the stator groove 113, and then connected with the conductive slip ring stator 105 through the stator screw 107. The circular induction synchronizer rotor 102 is connected with the conductive slip ring rotor 104 through the rotor screw 108. The excitation signal line of the induction synchronizer stator 101 is connected to the stator lead of the brush assembly 109 on the conductive slip ring stator 105, and the excitation signal line of the circular induction synchronizer rotor 102 is connected to the conductive slip ring rotor 104. The rotor of the ring piece 110 The leads are connected, and the transmission of excitation signal, ordinary power and electric signal can be realized through the electrical transmission device with high-precision angle measurement function supported by the left bearing 103 of the conductive slip ring and the right bearing 106 of the conductive slip ring.

The above are the preferred embodiments of the present invention. It should be pointed out that for those skilled in the art, without departing from the principles of the present invention, several improvements and modifications can be made, and these improvements and modifications may also be regarded as It is the protection scope of the present invention.

Claims (3)

1. An electrical transmission device with a high-precision angle measurement function, including a conductive slip ring rotor, a conductive slip ring stator, a conductive slip ring left bearing, a conductive slip ring right bearing, a brush assembly and a ring piece. The conductive slip ring left bearing and the conductive slip ring right bearing are sleeved between the conductive slip ring stator and the conductive slip ring stator, so that the conductive slip ring rotor sleeved in the conductive slip ring stator can rotate relative to the conductive slip ring stator. The outer side wall is provided with a number of rings that are evenly arranged. The brush assembly with the brush wire is installed on the outer side wall of the conductive slip ring stator through the brush assembly screw, and the brush wire in the brush assembly is in sliding contact with the ring. , which is characterized in that: it also includes a circular induction synchronizer stator and a circular induction synchronizer rotor, and the flat circular induction synchronizer rotor is installed on the rotor wing plate at the left end of the conductive slip ring rotor through rotor screws, so that the circular induction synchronizer rotor is connected to the rotor. The conductive slip ring rotors are fixed together, and the circular induction synchronizer rotor can rotate together with the conductive slip ring rotor; there is a stator groove in the middle of the stator blade at the left end of the conductive slip ring stator, and the flat circular induction synchronizer stator is embedded in the stator It is installed in the groove and installed on the stator wing plate of the conductive slip ring stator through stator screws, so that the circular induction synchronizer stator and the conductive slip ring stator are fixed together; the excitation signal line of the circular induction synchronizer stator and the conductive slip ring stator lead The excitation signal line of the rotor of the circular induction synchronizer is connected with the lead wire of the rotor of the conductive slip ring. 2 . The electrical transmission device with high-precision angle measurement function according to claim 1 , wherein the outer end surface of the circular induction synchronizer stator is flush with the outer end surface of the stator blade. 3 . 3. a preparation method of the electric transmission device with angle measurement function, is characterized in that: concrete steps are as follows: A. Preparation of circular induction synchronizer rotor: The base material of the rotor of the circular induction synchronizer is aluminum. The shape of the rotor of the circular induction synchronizer is completed by turning and milling, and the outer circle, inner hole and both ends of the base plate of the circular induction synchronizer are semi-finished. After the dimensional stability treatment, the casting of the rotor of the circular induction synchronizer and the bonding of the copper skin are carried out; After the copper skin is bonded, mark the rotor of the circular induction synchronizer. When the outer channel is marked, place the rotor of the circular induction synchronizer on a high-precision toothed disc for indexing, and mill it out with a saw blade milling cutter. The channel engraved line is milled out by the machining center; In order to ensure the reliability of the installation of the rotor of the circular induction synchronizer and the reliability of signal transmission, the two end faces of the rotor of the circular induction synchronizer are ground by grinding, so that the parallelism between the two end faces is not greater than 0.005mm. Fix the tooling so that the parallelism between the copper skin and the end face of the rotor of the circular induction synchronizer is not more than 0.005mm; B. Preparation of circular induction synchronizer stator The base material of the circular induction synchronizer stator is aluminum, and the shape of the circular induction synchronizer stator is processed by turning and milling. After the dimensional stability treatment, the casting of the circular induction synchronizer stator and the copper skin bonding are carried out; After the copper skin is bonded, mark the stator of the circular induction synchronizer. When the outer channel is marked, place the stator of the circular induction synchronizer on the high-precision toothed disc for indexing, and mill it out with a saw blade milling cutter. The channel engraved line is milled out by the machining center; In order to ensure the reliability of the installation of the stator of the circular induction synchronizer and the reliability of signal transmission, the two end faces of the stator of the circular induction synchronizer are ground by grinding, so that the parallelism between the two end faces is not greater than 0.005mm, and the copper skin is designed to bond Tooling, so that the parallelism between the copper skin and the end face of the circular induction synchronizer stator is not more than 0.005mm; C. Preparation of conductive slip ring rotor: The conductive slip ring rotor is composed of a central shaft with aluminum base material, a ring piece with brass base material and epoxy resin glue. The ring pieces are placed on the central shaft in sequence, and epoxy resin glue is poured into the center of the central shaft. , After the epoxy resin glue is fixed, a "V"-shaped groove is processed on the surface of the ring piece; In order to ensure the installation accuracy with the circular induction synchronizer, after the conductive slip ring rotor is prepared, the mating surface of the conductive slip ring rotor is finished, so that the perpendicularity between the mating surface and the circumferential surface is not more than 0.005mm, and the surface finish is not more than 0.04; D. Preparation of conductive slip ring stator The base material of the conductive slip ring stator is aluminum, and the shape of the conductive slip ring stator is completed by turning and milling. In order to ensure the corrosion resistance of the conductive slip ring stator, the surface of the conductive slip ring stator is treated with natural color conductive oxidation; In order to ensure the installation accuracy of the circular induction synchronizer, after the natural conductive oxidation treatment of the conductive slip ring stator is completed, the mating surface of the conductive slip ring stator is finished, so that the perpendicularity between the mating surface and the circumferential surface is not more than 0.005mm, and the surface smoothness not greater than 0.04; E. Preparation of brush assembly: Install the brush wire of the brush assembly on the brush positioning plate according to the conventional method, and debug the pressure angle of the brush wire. After the debugging is completed, dispense glue to fix the brush at the position where the brush wire exits the brush positioning plate. At the same time, one end of the conductive slip ring stator lead wire is welded to the brush wire, and glue is applied to the top of the brush positioning plate to perform high temperature aging to eliminate the stress of the brush wire; F. Preparation of Ring Sheets A 75° "V"-shaped groove is machined on the circumferential surface of the ring piece, the groove depth is 0.5mm, and the surface roughness of the "V"-shaped groove is less than 0.2; Pd-Ni, the thickness is 7μm, the hardness is 360Hv, after electroplating, the surface of the "V"-shaped groove is polished to improve the surface roughness of the ring groove to less than 0.2; G. Preparation of electric transmission device with high-precision angle measurement function: First, insert the stator of the circular induction synchronizer into the groove of the conductive slip ring stator, and then connect it with the stator of the conductive slip ring through the stator screw. The rotor of the circular induction synchronizer is connected with the rotor of the conductive slip ring through the rotor screw. The excitation signal line is connected with the conductive slip ring stator lead, and the excitation signal line of the circular induction synchronizer rotor is connected with the conductive slip ring rotor lead. The functional electric transmission device can realize the transmission of excitation signal, ordinary power and electric signal.

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