24results about "Current collector maintenance" patented technology

The invention relates to a method for repairing an electric machine (1) for a motor vehicle, in which the electric machine (1) has a rotor (3) rotatable about an axis of rotation (4) relative to a stator (2) of the electric machine (1), the rotor (3) comprising a rotor shaft (5), at least one winding, and at least one first contact element (6) electrically connected to the winding and extending completely around the rotor shaft (5) in the circumferential direction and rotatable with the rotor shaft (5). The stator (2) is provided to have at least one second contact element (8) extending around the rotor shaft (5) in the circumferential direction by less than 180 degrees, wherein the first contact element (6) and the second contact element (8) are designed to form a sliding contact for transmitting electrical energy.

The invention relates to the technical field of sliding contact lines, in particular to a sliding contact line convenient to replace and a replacement method, and aims at achieving the technical purposes that the sliding contact line can be conveniently and rapidly replaced after being damaged, and it is guaranteed that the connected sliding contact lines are aligned, connected and fastened after replacement. According to the invention, the quick-change connection assembly and the auxiliary connection assembly which are used for connecting the adjacent sliding contact lines are arranged at the two ends of the sliding contact line main body, and the quick connection or disconnection between the quick-change connection assembly and the corresponding auxiliary connection assembly is realized through the cooperation of the buckling head and the lifting pin mechanism of the quick-change connection assembly; and multiple connection locking of pinning, buckling, locking and pressing between two adjacent sliding contact lines is realized. The whole connecting structure is simple and convenient to operate, the movable parts are easy to assemble, the problem that some small parts are lost or inconvenient to assemble when a traditional sliding contact line is replaced is solved, and the replacement efficiency of the sliding contact line is improved.

The invention relates to the technical field of collecting rings, and discloses a wind driven generator collecting ring which comprises a collecting ring body, a connecting pipe is fixedly connected to the bottom of the collecting ring body, a driving wheel is fixedly connected to the outer wall of the connecting pipe, a dust collecting bin is installed on one side of the collecting ring body, and a rotating shaft is rotationally connected to the bottom of the dust collecting bin. The bottom end of the rotating shaft is fixedly connected with a driven wheel, the driving wheel and the driven wheel are in transmission connection through a transmission belt, the top of the rotating shaft is fixedly connected with a fan, the top of the dust collecting bin is provided with an exhaust pipe, the other end of the exhaust pipe is fixedly connected with a connecting rod, and an air guide cavity is formed in the connecting rod. And one side, close to the collecting ring main body, of the connecting rod is fixedly connected with a plurality of suction nozzles which are vertically arranged at equal intervals. According to the collecting ring of the wind driven generator, through mechanical transmission coupling design, the fan is driven to operate by utilizing equipment rotation energy, and real-time adsorption of carbon powder can be realized without an extra power source.

Generating and transmitting energy costs time and has losses. Energy carriers of a solid-liquid-gaseous state cannot be recovered. Fossil, renewable energy is expensive. Infrastructure design expansion, generation, transport, and transmission damage the environment. Waste of raw materials, construction materials, time and financial resources. The accompanying electric axial generator system is an innovation which creates an energy circuit. With this technique, a vehicle generates electrical energy from its driving movement. This energy production reduces the electric motor effort and charges batteries of the vehicle. A changeover switching principle. Small batteries. High motor power. This technique achieves grid-independent mobility. Technically efficient, high range, reduced weight, no energy costs. Energy is efficient then and there if energy is generated close to the serving point. If an amount of serving energy is equal to an amount of generated energy, a system has no losses. Electrical energy is the only type of energy that enables energy to be conserved. This design achieves this.

The invention discloses a sleeve replacement device for a component, an application and a replacement method, solves the problem that in the prior art, a carbon brush braid sleeve is large in replacement difficulty, only a whole grounding device can be replaced, and the maintenance cost is high, and has the beneficial effects that the carbon brush braid annular sleeve can be replaced, and the maintenance cost is reduced. According to the specific scheme, the sleeve replacement device for the component comprises a shell; the shell supports the expansion mechanism, the expansion mechanism comprises a multi-claw assembly, the multi-claw assembly is arranged on the outer side of the shell, the multi-claw assembly comprises at least two supporting claws, the sleeve for the component is arranged in the annular direction of the multiple supporting claws under the action of external force, and the multiple supporting claws can drive the sleeve for the component to be opened in the radial direction so as to contain a carbon brush braid; and the driving mechanism is supported through the shell, and the driving mechanism drives the multiple supporting claws to stretch or retract.

The utility model discloses all-in-one machine equipment for machining and overhauling a commutator, and relates to the technical field of commutator machining and overhauling. The turning tool rest and the milling tool rest are movably arranged on the base, the turning tool rest comprises a roundness turning tool used for conducting roundness correction on a commutator of the motor rotor, and the milling tool rest comprises a grooving and chamfering tool used for conducting grooving and chamfering on a mica groove of the commutator. Under the condition that the motor rotor is rotatably mounted at the mounting station of the base and the all-in-one machine equipment is in the first state, the roundness turning tool directly faces a commutator of the motor rotor, and the grooving and chamfering tool and the commutator are staggered; and when the motor rotor is rotatably mounted on the mounting station of the base and the all-in-one machine equipment is in the second state, the roundness turning tool and the commutator of the motor rotor are staggered, and the grooving and chamfering tool directly faces the commutator. According to the scheme, the problem that the processing procedure and the maintenance procedure of an existing commutator are both complex can be solved.

The present application relates to the field of rail transit vehicle carbon brush technology, in particular to a rail transit grounding carbon brush device based on high-purity rare earth and graphite compound and a method thereof, comprising a grounding device, the grounding device comprising a brush holder, a pre-tightening piece arranged inside the brush holder and used for applying a pre-tightening force to the graphite carbon brush, a connecting piece connected to the bottom of the pre-tightening piece, and an electromagnetic driving piece used for regulating the pre-tightening force intensity of the pre-tightening piece through the connecting piece. The present application regulates the compression of the pressing plate on the first spring by constructing the linkage compensation structure of the electromagnetic driving piece, the connecting piece and the pre-tightening piece, so as to realize the automatic compensation of the pre-tightening force. The structure makes the contact pressure of the graphite carbon brush stable after wear, and avoids the poor conduction caused by insufficient pressure.

The invention relates to the technical field of power generation equipment, in particular to a brush holder and collecting ring gap adjusting device and a using method thereof, and the device comprises a connecting assembly, a universal adjusting sliding table and an adjusting baffle plate; the connecting assembly is arranged at the lower end of the universal adjusting sliding table and is configured to be matched with the surface of the brush carrier on the outer side of the collecting ring, the adjusting baffle is arranged at the upper end of the universal adjusting sliding table and is configured to be matched with the brush holder base, and the universal adjusting sliding table is composed of multiple layers of sliding tables and is configured to be at least used for adjusting displacement, circumferential direction and inclination of the adjusting baffle at the upper end of the universal adjusting sliding table. Adjustment is carried out by pushing and pulling the brush holder base, the disassembly and assembly procedures are reduced, the working efficiency is improved, in addition, the device does not need to be inserted into the gap between the collecting ring and the brush holder, the risk of damage to the collecting ring is avoided, the universal adjusting sliding table can provide higher adjusting precision, then accurate adjustment of the gap value is achieved, and the service life of the brush holder is prolonged. And the device also has an angle adjusting function, so that the carbon brush can be completely attached to the arc surface of the collector ring, and the optimal contact effect is achieved.

Wind turbines comprising a generator comprising a shaft and a slip ring assembly mounted on the shaft adjacent a housing. The slip ring assembly is mounted on the shaft and comprises at least one power ring or ground ring disposed at an end of the slip ring assembly adjacent the housing. The ground ring and power ring each comprise an outer perimeter; an inner perimeter; and interface surface therebetween. The power ring or ground ring comprises at least two separatable components that enable the at least one ground ring or power ring to be separately replaceable from around the shaft, and wherein the at least one power ring or ground ring is mounted on the shaft with a plurality of fastening pins. The fastening pins comprise a length less than a gap between the ground ring or power ring and a nearest power ring or ground ring or the housing.

The invention discloses a conductive slip ring liquid metal liquid level monitoring and supplementing device, and relates to the technical field of liquid metal conductive slip rings. The problems that an existing liquid metal conductive slip ring needs to be frequently maintained due to abrasion or liquid metal loss caused by long-term operation, and the operation cost is high are solved. The lower end of a liquid level meter sequentially penetrates through a liquid metal liquid level monitoring hole I and a liquid metal liquid level monitoring hole II, the lower end of a binding post sequentially penetrates through a wiring hole I and a wiring hole II, a liquid metal supplementing device is arranged on the upper surface of an insulating base of the device, and the bottom of the liquid metal supplementing device communicates with a liquid metal supplementing hole II; the rotating main shaft is a hollow shaft, a plurality of main shaft channels penetrating through the inner side face and the outer side face of the rotating main shaft are formed in the rotating main shaft, and the multiple main shaft channels correspond to the multiple liquid metal conductive cavities in a one-to-one mode. The device is used for monitoring the liquid level of the liquid metal in the liquid metal conductive slip ring and supplementing the liquid metal in real time, and can also monitor the leakage condition of the liquid metal.

The high-precision automatic straightening machine comprises a machine table, a commutator positioning seat is arranged at the upper end of the machine table, a support is arranged on one side of the commutator positioning seat, a lifting air cylinder is installed at the top of the support, and a connecting plate is installed at the lower end of an extension rod of the lifting air cylinder; a correcting assembly located above the commutator positioning seat is installed on the connecting plate and comprises a hook pin shaping plate capable of coaxially rotating around the commutator positioning seat, a shaping hole is formed in the middle of the hook pin shaping plate, and the outer side of the hook pin shaping plate is connected with a shaping lever extending transversely. A moving assembly driven by the shaping air cylinder to horizontally move is further arranged at the upper end of the machine table, a positioning part is arranged on the moving assembly, the shaping lever is in limiting fit with the positioning part, and the shaping lever moves along with the moving assembly and drives the hook foot shaping plate to rotate. The problems that an existing commutator finished product hook foot downward pressing shaping process is low in efficiency and poor in precision, and products are prone to being damaged can be solved.

To provide a brush and a brush holder assembly for use in electrical equipment and / or slip ring assembly.SOLUTION: A brush assembly 45 includes a carbon brush 14, a first lead wire 46, a second lead wire 44a, a third lead wire 44b, and a terminal 42. The first end region of the first lead wire 46 is joined to the first end region of the second lead wire 44a at a splice joint 50, and the second end region of the first lead wire 46 is joined to the first end region of the third lead wire 44b at the splice joint 50. The second end region of the second lead wire 44a and the second end region of the third lead wire 44b are joined to the carbon brush 14. The splice joint 50 is located between the terminal 42 and the carbon brush 14, and is spaced apart from both the terminal 42 and the carbon brush 14.SELECTED DRAWING: Figure 3

The invention provides a carbon brush automatic centering device based on a temperature control air column and an operation method, and belongs to the technical field of motor collector rings. According to the device, an existing brush box is improved, an original constant-pressure spring is removed, five air columns are arranged at the bottom of the brush box, four air columns are distributed diagonally, and one air column is arranged in the middle. Each air column consists of an air sleeve, an air chamber and a piston rod, and the air chamber is filled with air; the top end of the piston rod is connected with a spring base, and a spring is installed between the spring base and a spring upper end seat, so that the springs of the five air columns act on the carbon brush together. The brush box is parallel to the collector ring, and the distance between the brush box and the collector ring is adjusted by rotating the hand frame, thereby ensuring that the carbon brush in the brush box is attached to the side surface of the collector ring. When the carbon brush deviates, the spring at the corresponding position can be stretched or compressed, and the deformation of the spring is the direct reflection of the deviation. By controlling the temperature of air in each air column, the volume of the air chamber is changed by utilizing the thermal expansion and cold contraction characteristics of air, and the piston rod is driven to stretch.

The invention relates to a generator-motor system for a vehicle, comprising an electric motor driven by a first rechargeable battery and, at another axle, a generator that charges a second rechargeable battery. A control electronics system switches rechargeable batteries to drive the vehicle or to charge, supplies the vehicle electrical system, boosts braking force etc. A DC generator is connected to one of the rechargeable batteries and / or the vehicle electrical system via slip rings. Optionally, the generator comprises three rotors that can also have differing pole numbers.

The invention relates to a generator-motor system for a vehicle, comprising an electric motor driven by a first rechargeable battery and, at another axle, a generator that charges a second rechargeable battery. A control electronics system switches rechargeable batteries to drive the vehicle or to charge, supplies the vehicle electrical system, boosts braking force etc. A DC generator is connected to one of the rechargeable batteries and / or the vehicle electrical system via slip rings. Optionally, the generator comprises three rotors that can also have differing pole numbers.

The invention provides a multi-station annular busbar resistance welding machine which comprises a welding machine assembly which comprises a supporting frame, a welding machine body is fixedly installed at the top of the supporting frame, a lower connecting base is fixedly installed at the bottom of one side of the welding machine body, and a vertical lower welding column is fixedly installed on the lower connecting base; a first vertical driving rod is fixedly installed at the top of one side of the welding machine body, an upper connecting base is fixedly installed at the bottom of the driving rod, and an upper welding column capable of being attached to the top of the lower welding column is fixedly installed on the upper connecting base. An existing mode that a busbar assembly and a wiring board are held by hands respectively and a connecting board of the busbar assembly is attached to the wiring board is replaced, the positioning precision is improved, the welding precision is improved, and the product quality is improved; the transverse and longitudinal stretching detection effect on the welding position between the wiring board and the connecting board is achieved, so that subsequent welding strength detection between the wiring board and the connecting board is not needed, and the machining efficiency is improved.

Generating and transmitting energy takes time and results in losses. Energy carriers in solid, liquid, or gaseous form cannot be recovered. Fossil or renewable energy is costly. Planning, implementation, and expansion are expensive. Generation and transmission are burdensome. These are financial and structural wastes of raw materials. The B . E . A . Generator System is a technical innovation. An invention that realizes a closed energy cycle. Vehicles become efficient with this technology. Economically favorable and cost-effective. Energy is efficient when energy is generated close to a point of consumption. If the amount of energy produced is in the same proportion to the amount of energy gained, a system has no losses. Electrical energy is the only type of energy that allows for energy conservation. My work involves constructing a system that receives energy.

The application provides a sliding wire slide online repairing device and a use method, the sliding wire slide online repairing device is fixed on a trolley, moves along with the trolley and repairs the sliding wire slide online, and comprises a repairing mechanism, the repairing mechanism comprises a base, a polishing part used for abutting with the sliding wire slide and a supporting rod, the supporting rod is fixed on the bottom of the base, and the polishing part is arranged on the top of the base; a support, the support comprises a clamp used for being fixed with the trolley, a connecting piece and an extending frame, the clamp is fixed on the connecting piece, the connecting piece is connected with the extending frame, and the supporting rod is arranged on the extending frame; the sliding wire slide online repairing device and the use method of the application repair the sliding wire slide through the repairing mechanism fixed on the trolley and moving along with the trolley, and solve the problems that the sliding wire slide cannot be repaired online and the repairing efficiency is slow in the prior art.

The present invention relates to a device for trimming carbon brushes after sintering, comprising a horizontally arranged tray, wherein both ends of the tray are respectively connected to a base plate and a trimming assembly, the base plate is connected to a clamping portion, the carbon brush can be stably clamped by the clamping portion, the base plate can drive the carbon brush to move to contact with the trimming assembly, the trimming assembly is provided with a plurality of sawtooth bars, each of which includes a datum shaft connected to the sawtooth bar, the datum shaft is connected to a reciprocating power component, the reciprocating power component can make the sawtooth bar perform linear reciprocating motion, when the carbon brush contacts the sawtooth bar, the sawtooth bar will form a vertical or inclined notch on the carbon brush; the beneficial effect of the present invention is: the device forms a vertical or inclined notch on the carbon brush, thereby improving the heat dissipation efficiency, thereby reducing the working temperature of the carbon brush, and when the carbon brush contacts the commutator, it can better adapt to the unevenness of the commutator surface, increase the contact stability, improve the working efficiency of the carbon brush from many aspects, and extend its service life.

The utility model relates to a slip ring grinding and repairing device which comprises a mounting seat, a bottom plate is arranged on the mounting seat, a lead screw is rotatably arranged on the bottom plate, a hand wheel is mounted at one end of the lead screw, a sliding block in sliding fit with the bottom plate is in threaded connection with the lead screw, an angle adjusting assembly is arranged on the sliding block, and a grinding device is mounted on the angle adjusting assembly. The slip ring is ground in the running state of the generator, the repair convenience can be improved, the influence on the coaxiality of the slip ring due to the problem of installation errors during repair can be avoided, the overall size of the device is small, and the device is suitable for machining in a narrow space between a generator bearing seat and a rotor.

The utility model provides a carbon powder collecting device for a slip ring chamber, which comprises a slip ring box, a carbon brush slip ring system is mounted in the slip ring box, and a driving shaft is mounted at one end of the carbon brush slip ring system; two fans are symmetrically mounted at the top end of the slip ring box, the bottom end of the slip ring box is fixedly connected with a base, and a toner cartridge is mounted in the base; four air outlets are formed in the side wall of the base, and a filter element is installed in each air outlet. The carbon powder collecting device for the slip ring chamber has the advantages of being integrated in structure, convenient to install and maintain, convenient to collect carbon powder and capable of improving the heat dissipation effect.

The invention relates to a method for repairing an electric machine (1) for a motor vehicle, in which the electric machine (1) has a rotor (3) with at least one winding and at least one first contact element (6) electrically connected to the winding, which is provided for forming a sliding contact designed for transmitting electrical energy with at least one second contact element (7) of a stator (2) of the electric machine (1). An intermediate element (8), formed separately from the first contact element (6), is arranged on the first contact element (6) and is electrically connected to the first contact element (6).

The invention relates to a method for repairing an electric machine (1) for a motor vehicle, in which the electric machine (1) has a rotor (3) rotatable about an axis of rotation (4) relative to a stator (2) of the electric machine (1), the rotor (3) comprising a rotor shaft (5), at least one winding, and at least one first contact element (6) electrically connected to the winding, extending completely around the rotor shaft (5) in the circumferential direction and rotatable with the rotor shaft (5). The invention also provides for the stator (2), which has at least one second contact element (8) extending around the rotor shaft (5) in the circumferential direction by less than 180 degrees. The first contact element (6) has an outer circumferential surface (9) that projects outwards in the radial direction of the rotor shaft (5).The second contact element (8) has a first inner circumferential surface (10) which points inwards in the radial direction of the rotor shaft (5) and faces the outer circumferential surface (9).

A method for producing a shaft grounding ring includes providing a shaft grounding ring having an annular main body and contact elements arranged on the main body. The contact elements are electrically conductive and plastic-based. The contact elements are configured to establish an electrically conductive sliding contact with a circumferential surface of a shaft or of a sleeve placed onto the shaft. The contact elements are elastically bendable such that the contact elements are configured to preload the electrically conductive sliding contact. Additionally, the method includes thermally preconditioning the shaft grounding ring before use.