CN218770476U - Novel electricity transmission device with abrasive dust directional collection function - Google Patents

Abstract

The utility model relates to a novel electric transmission device with the directional collection function of abrasive dust, which comprises a housing, a base, a stator, an electric brush, a rotor, a conducting ring, an anode plate and a cathode plate; the housing is fixed on the base, and the housing and the base enclose to form a cavity; the rotor is inserted in the cavity and can rotate freely; the conducting ring is fixed on the rotor; the stator is arranged in the cavity, the electric brush is fixed on the stator and is in contact connection with the conducting ring; the anode plate and the cathode plate are respectively arranged at the top or the bottom of the chamber and are used for forming an electric field in the chamber, and the electric field is used for enabling the abrasive dust to migrate out of the position between the electric brush and the conducting ring; set up anode plate and negative plate respectively in the top and the bottom of cavity, make the electric field of the interior vertical direction of formation of cavity, the abrasive dust that has the electric charge is under the electric field force effect, and the abrasive dust rises and is shifted out, prevents that the abrasive dust from to the electrically conductive influence of contact between brush and the conducting ring, improves the stability that possesses the directional novel electricity transmission device who collects the function of abrasive dust.

Description

Novel electricity transmission device with abrasive dust directional collection function

Technical Field

The utility model belongs to the technical field of the electricity is connected, concretely relates to possesses directional novel electricity transmission device who collects function of abrasive dust.

Background

The slip ring is used for communicating the rotating body and transmitting an electrical component of energy and signals, and current conversion between the rotating wire and the fixed wire is realized. The slip ring is also called as a conducting ring, a collector ring and the like, two ends of the slip ring are respectively used for being connected with two pieces of electrical equipment, the slip ring comprises a stator and a rotor, and the rotor can rotate relative to the stator, so that the slip ring can transmit current and signals while realizing the relative rotation of the two pieces of electrical equipment. Slip rings are now in great depth in various industries, including medical equipment, aerospace, robots, manufacturing and processing control systems, etc., and particularly in the high-end field of industrial equipment, the requirements for relative movement, such as rotation and revolution, are also gradually increasing.

The novel electric transmission device with the abrasive dust directional collection function mainly comprises a rotor, a stator, a conducting ring and an electric brush, wherein the conducting ring is arranged on the rotor, and the electric brush is fixed on the stator; and in the process that the rotor rotates relative to the stator, the electric brush is always in contact with the conducting ring to conduct electricity. In the novel electricity that possesses the directional function of collecting of abrasive dust transmits the device use, mutual contact and relative motion takes place between brush and the conducting ring, and relative motion produces the abrasive dust granule. The abrasive dust particles after the movement migration are adhered and deposited at certain positions of the conducting ring, the electric field distortion and the like can be caused, and the discharge can be induced seriously to influence the normal power transmission of the device. Meanwhile, the existence of abrasive dust can affect the stability of power transmission, and can cause the damage of the slip ring in severe cases.

SUMMERY OF THE UTILITY MODEL

In order to enable abrasive dust generated between the electric brush and the conducting ring to move out of a working area so as to improve the working stability of the sliding ring; the utility model provides a novel electric transmission device with the function of directional collection of abrasive dust; in order to realize the purpose, the utility model discloses a technical scheme specifically as follows:

a novel electric transmission device with the function of directionally collecting abrasive dust comprises a housing, a base, a stator, an electric brush, a rotor and a conducting ring; the cover casing is fixed on the base, and the cover casing and the base are enclosed to form a cavity; the rotor is inserted into the cavity and can rotate freely; the conducting ring is fixed on the rotor; the stator is arranged in the cavity, the electric brush is fixed on the stator, and the electric brush is in contact connection with the conducting ring; the novel electricity transmission device with the directional abrasive dust collecting function further comprises an anode plate and a cathode plate, wherein the anode plate and the cathode plate are respectively arranged at the top or the bottom of the cavity and used for enabling an electric field to be formed in the cavity, and the electric field is used for enabling abrasive dust to migrate out between the electric brush and the conducting ring.

The utility model discloses novel electricity transmission device who possesses directional collection function of abrasive dust's beneficial effect: the relative motion between the electric brush and the conducting ring generates abrasive dust which is in contact with the conducting ring to be electrified; set up anode plate and negative plate respectively in the top and the bottom of cavity, make the electric field of forming vertical direction in the cavity, the abrasive dust that has the electric charge is under the electric field force effect, and the abrasive dust rises and is shifted out, prevents that the abrasive dust from to the electrically conductive influence of contact between brush and the conducting ring, improves the novel electric transmission device's that possesses the directional function of collecting of abrasive dust stability.

Furthermore, the rotor comprises a rotating shaft, a connector, an upper bearing support frame, a lower bearing support frame and an insulating sleeve disc, the upper bearing support frame is fixed at the inner top of the cavity, and the lower bearing support frame is embedded on the base; two ends of the rotating shaft are respectively inserted into the upper bearing support frame and the lower bearing support frame; one end of the connector is fixedly butted with the lower end of the rotating shaft, and the connector is used for being connected with an external force rotating part; the insulating sleeve disc is sleeved and fixed on the rotating shaft, a plurality of annular grooves are formed in the upper end face of the insulating sleeve disc and are coaxially arranged, and the annular grooves are used for fixing the conducting rings.

Has the advantages that: by arranging the upper bearing support frame and the lower bearing support frame, the rotating shaft can freely rotate relative to the upper bearing support frame and the lower bearing support frame while providing support for the rotating shaft; the connector is fixed with the butt joint of external force rotary part, and external force rotary part passes through the rotation of connector drive pivot, and the rotation of insulating cover dish has simple structure, rotates stable characteristics.

Furthermore, through holes are formed in the insulating sleeve disc, the rotating shaft is a hollow rotating shaft, through holes are formed in the rotating shaft, the through holes are vertically arranged in the axial direction, and the positions and the number of the through holes are respectively matched with the annular grooves; the through hole and the through hole are used for the conducting ring circuit to pass through.

Has the advantages that: the rotating shaft is arranged to be a hollow rotating shaft, and the through hole are formed, so that a circuit electrically connected with the conducting ring provides a through hole, and the circuit is convenient to mount and fix.

Furthermore, the insulating sleeve disc comprises an insulating sleeve and a plurality of insulating disc bodies, and the insulating disc bodies are respectively sleeved and fixed on the insulating sleeve and are uniformly arranged at intervals along the axial direction of the insulating sleeve; the sleeve is used for being sleeved and fixed on the circumferential side face of the rotating shaft.

Has the advantages that: the insulating sleeve disc is arranged into an insulating sleeve and an insulating disc body structure, and the insulating sleeve is sleeved on the rotating shaft, so that the connection stability of the insulating sleeve disc and the rotating shaft is improved; through setting up a plurality of insulating disk body, realize that multiunit brush and conducting ring contact are connected.

Furthermore, a plurality of reinforcing ribs are arranged on the lower end face of the insulating disc body, and the reinforcing ribs are arranged in a radial manner; along the radial of insulating disk body, the lower extreme of strengthening rib upwards inclines.

Has the advantages that: set up the intensity and the stability that a plurality of strengthening ribs improved insulating disk body, make electrified abrasive dust gathering under the effect of electric field force on the lower terminal surface of insulating disk body, the lower terminal surface slope of strengthening rib sets up, is favorable to the abrasive dust to break away from insulating disk body edge.

Furthermore, the anode plate is an inner-wrapping anode plate which is fixed on the upper end face of the lower bearing support frame; the negative plate is an inner-wrapped negative plate, and the inner-wrapped negative plate is fixed on the lower end face of the upper bearing support frame.

Has the advantages that: the positive plate is set into the inner-bag positive plate, the negative plate is set into the inner-bag negative plate, the positive plate and the negative plate are effectively protected, charged abrasive dust is prevented from being directly attached to the negative plate, electricity neutralization is achieved, positive charges of the abrasive dust are neutralized, and the abrasive dust falls off to the insulating disc body or the conducting ring under the action of gravity.

Furthermore, the upper bearing support frame and the lower bearing support frame are the same in structure and comprise a support plate and a bearing, a cylindrical through groove is formed in the support plate, the bearing is embedded in the cylindrical through groove, and blocking plates are arranged at two ends of the cylindrical through groove respectively.

Has the advantages that: the upper bearing support frame and the lower bearing support frame are arranged to be the same in structure, so that the production cost is reduced; through setting up the shutoff board, prevent in the abrasive dust infiltration bearing, reduce the pivoted stability of pivot.

Furthermore, the stator comprises a circuit support and an electric brush support frame, two ends of the circuit support are respectively fixed on the upper bearing support frame and the lower bearing support frame, one end of the electric brush support frame is connected to the circuit support in a buckling mode, one end of the electric brush is fixed to the electric brush support frame, and a connecting hole for inserting a circuit and connecting the circuit with the electric brush is formed in the electric brush support frame.

Has the advantages that: the stator is provided with the circuit support and the electric brush support frame, and the stator has a simple structure, and is convenient for connection between a circuit and an electric brush and fixation of the circuit.

Furthermore, a plurality of circuit line connecting bayonets for inserting the circuit are arranged on the upper end face of the housing.

Has the advantages that: and a through hole is provided for the circuit in the circuit wire connecting bayonet, so that the circuit can be conveniently inserted into the housing.

Drawings

Fig. 1 is one of schematic three-dimensional structures of an embodiment of the novel electric transmission device with the function of directionally collecting the abrasive dusts;

fig. 2 is a partial cross-sectional view of an embodiment of the novel electrical transmission device with directional abrasive dust collection function of the present invention;

fig. 3 is a second schematic perspective view of an embodiment of the novel electric transmission device with the function of directional collection of grinding dust according to the present invention;

fig. 4 is a partial front view of an embodiment of the novel electrical transmission device with directional abrasive dust collection of the present invention;

fig. 5 is a partial front view of a rotor of an embodiment of the novel electrical transmission device with directional abrasive dust collection of the present invention;

fig. 6 is a partial cross-sectional view of a rotor of an embodiment of the novel electrical transmission device with directional abrasive dust collection of the present invention;

fig. 7 is a schematic view of a three-dimensional structure of a stator of an embodiment of the novel electric transmission device with the function of directionally collecting the abrasive dusts.

Reference numbers in the figures: 1-cover shell, 2-base, 3-stator, 31-circuit support, 32-brush support, 33-connecting hole, 4-brush, 5-rotor, 51-rotating shaft, 52-connector, 53-upper bearing support, 54-lower bearing support, 55-insulating sleeve disc, 551-insulating sleeve, 552-insulating disc body, 553-reinforcing rib, 56-annular groove, 57-through hole, 58-through hole, 59-support plate, 510-bearing, 511-plugging plate, 6-conducting ring, 7-inner package anode plate, 8-inner package cathode plate and 9-circuit line connecting bayonet.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments:

the embodiment of the novel electricity transmission device with the directional abrasive dust collecting function of the utility model has the specific structure as shown in fig. 1, fig. 2 and fig. 3, and comprises a housing 1, a base 2, a stator 3, an electric brush 4, a rotor 5, a conducting ring 6, an anode plate and a cathode plate. The cover 1 is fixed on the base 2, and the cover 1 and the base 2 enclose to form a cavity; the rotor 5 is inserted in the chamber, and the rotor 5 can rotate freely. The conducting ring 6 is fixed on the rotor 5; the stator 3 is arranged in the cavity, the electric brush 4 is fixed on the stator 3, and the electric brush 4 is connected with the conducting ring 6 in a contact mode.

In the present embodiment, as shown in fig. 4, the rotor 5 includes a rotating shaft 51, a connector 52, an upper bearing support 53, a lower bearing support 54, and an insulating sleeve 55. The upper bearing support 53 is fixed at the inner top of the cavity, and the lower bearing support 54 is embedded on the base 2; both ends of the rotating shaft 51 are inserted through the upper bearing support 53 and the lower bearing support 54, respectively. One end of the connector 52 is fixedly butted with the lower end of the rotating shaft 51, and the connector 52 is used for being connected with an external force rotating part; the insulating sleeve disc 55 is sleeved and fixed on the rotating shaft 51, a plurality of annular grooves 56 are formed in the upper end face of the insulating sleeve disc 55, the plurality of annular grooves 56 are coaxially arranged, and the annular grooves 56 are used for fixing the conducting rings 6. By arranging the upper bearing support frame 53 and the lower bearing support frame 54, the rotating shaft 51 can freely rotate relative to the upper bearing support frame 53 and the lower bearing support frame 54 while supporting the rotating shaft 51; the connector 52 is fixedly connected with an external force rotating part in a butt joint mode, the external force rotating part drives the rotating shaft 51 to rotate through the connector 52, and the insulating sleeve disc 55 rotates. A through hole 57 is formed in the insulating sleeve disc 55, the rotating shaft 51 is a hollow rotating shaft 51, a through hole 8 is formed in the rotating shaft 51, the through hole 57 is axially and vertically arranged, and the positions and the number of the through holes 57 are respectively matched with the annular grooves 56; the through hole 8 and the through hole 57 are used for the conductive ring 6 to pass through. By arranging the rotating shaft 51 as a hollow rotating shaft 51, and providing the through hole 57 and the through hole 8, a hole for passing a circuit electrically connected with the conductive ring 6 is provided, which facilitates the installation and fixation of the circuit. In other embodiments, the rotor includes a rotating shaft, a motor, an upper bearing support frame, a lower bearing support frame and an insulating sleeve disk, and an output shaft of the motor is fixed to the lower end of the rotating shaft in a butt joint manner.

In the present embodiment, as shown in fig. 5 and fig. 6, the insulating sleeve 55 includes an insulating sleeve 551 and a plurality of insulating disc bodies 552, and the plurality of insulating disc bodies 552 are respectively fixed on the insulating sleeve 551 in a sleeved manner and are uniformly arranged at intervals along an axial direction of the insulating sleeve 551; the sleeve is used for being sleeved and fixed on the circumferential side surface of the rotating shaft 51; the insulating sleeve disc 55 is arranged into an insulating sleeve 551 and an insulating disc 552 structure, the insulating sleeve 551 is sleeved on the rotating shaft 51, and the connection stability of the insulating sleeve disc 55 and the rotating shaft 51 is improved; by arranging the plurality of insulating disc bodies 552, the contact connection of the plurality of groups of electric brushes 4 and the conducting rings 6 is realized. A plurality of reinforcing ribs 553 are arranged on the lower end surface of the insulating disk body 552, and the reinforcing ribs 553 are arranged in a radial shape; the lower ends of the reinforcing ribs 553 are inclined upward in the radial direction of the insulating disk body 552; set up a plurality of strengthening ribs 553 and improve insulating disk body 552 intensity and stability, make electrified abrasive dust gathering under the effect of electric field force on insulating disk body 552's lower terminal surface, the lower terminal surface slope of strengthening rib 553 sets up, is favorable to the abrasive dust to break away from insulating disk body 552 edge. In other embodiments, the insulating sleeve disc only comprises a plurality of insulating disc bodies, and the insulating disc bodies are sleeved and fixed on the rotating shaft; and no reinforcing rib is arranged on the lower end surface of the insulating disc body.

The anode plate and the cathode plate are respectively arranged at the top or the bottom of the chamber and are used for forming an electric field in the chamber, and the electric field is used for enabling the abrasive dust to move out of the space between the electric brush 4 and the conductive ring 6. In the present embodiment, as shown in fig. 2, when the charges of the grinding dust are positive charges, the anode plate is an inner-wrapped anode plate 7, and the inner-wrapped anode plate 7 is fixed on the upper end surface of the lower bearing support frame 54; the cathode plate is an inner wrapping cathode plate 8, and the inner wrapping cathode plate 8 is fixed on the lower end face of the upper bearing support frame 53; set the anode plate to endocyst anode plate 7, the cathode plate sets to endocyst cathode plate 8, to the effective protection of anode plate and cathode plate, prevents that electrified abrasive dust from directly attaching to the cathode plate, takes place the electricity and neutralizes, makes the positive charge of abrasive dust neutralized, in the action of gravity, drops to on insulating disk body or the conducting ring. In other embodiments, when the abrasive dust is negatively charged, the anode plate is fixed on the lower end surface of the upper bearing support, and the cathode plate is fixed on the upper end surface of the lower bearing support.

In the present embodiment, as shown in fig. 2, the upper bearing support frame 53 and the lower bearing support frame 54 have the same structure, and include a support plate 59 and a bearing 510, a cylindrical through slot is formed on the support plate 59, the bearing 510 is embedded in the cylindrical through slot, and two ends of the cylindrical through slot are respectively provided with a blocking plate 511; the upper bearing support frame 53 and the lower bearing support frame 54 are identical in structure, so that the production cost is reduced; by providing the blocking plate 511, the penetration of the abrasive dust into the bearing 510 is prevented, and the stability of the rotation of the rotating shaft 51 is lowered. In other examples, the upper bearing support frame and the lower bearing support frame are different in structure, and the upper bearing support frame and the lower bearing support frame are reasonably arranged on the premise that the rotation of the rotating shaft is not influenced.

In the present embodiment, as shown in fig. 7, the stator 3 includes a circuit support 31 and a brush support frame 32, two ends of the circuit support 31 are respectively fixed on an upper bearing support frame 53 and a lower bearing support frame 54, one end of the brush support frame 32 is connected to the circuit support 31 in a snap-fit manner, one end of the brush 4 is fixed on the brush support frame 32, and a connection hole 33 for inserting a circuit and connecting the brush 4 is formed in the brush support frame 32; the stator 3 is provided with the line holder 31 and the brush holder 32, and has a simple structure, which facilitates connection between the line and the brush 4 and fixation of the line. The upper end surface of the housing 1 is provided with a plurality of line wire connecting bayonets 9 for inserting lines; through holes 57 are provided for the wiring in the wiring bayonet 9 to facilitate the insertion of the wiring into the housing 1. In other embodiments, a circuit through hole is arranged on the upper end surface of the housing to replace a plurality of circuit wire connecting bayonets.

During the use, connector 52 and external force rotary part butt joint are fixed, and external force rotary part passes through connector 52 drive pivot 51 and rotates, realizes converting the circuit of fixing on stator 3 with the circuit of external force rotary part synchronous revolution, eliminates the rotatory distortion winding that causes of circuit. Conducting ring 6 rotates the in-process, is connected with brush 4 contact, when the relative motion between brush 4 and conducting ring 6, the abrasive dust of production, the abrasive dust takes positive charge with conducting ring 6 contact, under the electric field effect of formation between endocyst negative plate 8 and the endocyst anode plate 7, make the abrasive dust that has positive charge rise and is shifted out, prevent the abrasive dust to brush 4 and the conducting ring 6 between the electrically conductive influence of contact, the improvement possesses the directional stability of collecting the novel electricity transmission device of function of abrasive dust.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be regarded as the protection scope of the present invention.

Claims (9)

1. A novel electric transmission device with the directional abrasive dust collecting function comprises a housing, a base, a stator, an electric brush, a rotor and a conducting ring; the cover is fixed on the base, and the cover and the base enclose to form a cavity; the rotor is inserted into the cavity and can rotate freely; the conducting ring is fixed on the rotor; the stator is arranged in the cavity, the electric brush is fixed on the stator, and the electric brush is in contact connection with the conducting ring; the novel electricity transmission device with the directional abrasive dust collecting function is characterized by further comprising an anode plate and a cathode plate, wherein the anode plate and the cathode plate are respectively arranged at the top or the bottom of the cavity and used for enabling an electric field to be formed in the cavity, and the electric field is used for enabling abrasive dust to migrate out of the space between the electric brush and the conducting ring.

2. The novel electric transmission device with the directional abrasive dust collection function according to claim 1, wherein the rotor comprises a rotating shaft, a connector, an upper bearing support frame, a lower bearing support frame and an insulating sleeve disc, the upper bearing support frame is fixed on the inner top of the chamber, and the lower bearing support frame is embedded on the base; two ends of the rotating shaft are respectively inserted into the upper bearing support frame and the lower bearing support frame; one end of the connector is fixedly butted with the lower end of the rotating shaft, and the connector is used for being connected with an external force rotating part; the insulating sleeve disc is sleeved and fixed on the rotating shaft, a plurality of annular grooves are formed in the upper end face of the insulating sleeve disc and are coaxially arranged, and the annular grooves are used for fixing the conducting rings.

3. The novel electric transmission device with the directional abrasive dust collection function according to claim 2, wherein a through hole is formed in the insulating sleeve disc, the rotating shaft is a hollow rotating shaft, a through hole is formed in the rotating shaft, the through holes are vertically arranged in the axial direction, and the positions and the number of the through holes are respectively matched with the annular groove; the through hole and the through hole are used for the conducting ring circuit to pass through.

4. The novel electric transmission device with the directional abrasive dust collection function according to claim 3, wherein the insulating sleeve disc comprises an insulating sleeve and a plurality of insulating disc bodies, and the insulating disc bodies are respectively sleeved and fixed on the insulating sleeve and are uniformly arranged at intervals along the axial direction of the insulating sleeve; the sleeve is used for being sleeved and fixed on the circumferential side face of the rotating shaft.

5. The novel electric transmission device with the directional abrasive dust collecting function of claim 4, wherein a plurality of reinforcing ribs are arranged on the lower end surface of the insulating disc body, and the reinforcing ribs are arranged in a radial manner; along the radial of insulating disk body, the lower extreme of strengthening rib upwards inclines.

6. The novel electric transmission device with the directional abrasive dust collection function according to claim 2 or 5, wherein the anode plate is an inner-wrapped anode plate, and the inner-wrapped anode plate is fixed on the upper end face of the lower bearing support frame; the negative plate is an inner-wrapped negative plate, and the inner-wrapped negative plate is fixed on the lower end face of the upper bearing support frame.

7. The novel electric transmission device with the directional abrasive dust collection function according to claim 2, wherein the upper bearing support frame and the lower bearing support frame have the same structure and comprise a support plate and a bearing, the support plate is provided with a cylindrical through groove, the bearing is embedded in the cylindrical through groove, and two ends of the cylindrical through groove are respectively provided with a blocking plate.

8. The novel electric transmission device with the directional abrasive dust collection function according to claim 1, wherein the stator comprises a circuit support and a brush support frame, two ends of the circuit support are respectively fixed on the upper bearing support frame and the lower bearing support frame, one end of the brush support frame is connected to the circuit support in a buckling manner, one end of the brush is fixed on the brush support frame, and a connecting hole for inserting a circuit and connecting the brush is formed in the brush support frame.

9. The novel electric transmission device with the directional abrasive dust collecting function of claim 1, wherein a plurality of line wire connecting ports for inserting lines are formed on the upper end surface of the housing.

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