280 results about "Drive motor" patented technology

A motor cooling structure for efficiently cooling a driving motor in a power unit case of the electric vehicle includes a transmission case cover having an air filter mounted on a side surface of a transmission case adjacent to a fan, and a ventilation gap defined between a rear portion of the transmission case cover and the transmission case. The transmission case cover includes a cooling air inlet facing the ventilation gap. When the fan is rotated in synchronism with a crankshaft, an outside cooling air is introduced from the cooling air inlet into the transmission case cover and then passes through the air filter to enter the transmission case, thereby forcibly cooling a transmission. Thereafter, a part of the cooling air is discharged from a central air outlet to the outside of the transmission case, and the remaining cooling air is drawn to the driven portion of the transmission.

The invention provides a safety device for a passenger transporting apparatus, and a safety control method thereof. A laser scanning sensor (1a, 1b) is arranged near the exit of the passenger transporting apparatus to detect the movement of the passengers at a plane coordinate through the scanning of the laser scanning sensor. When the moving speed of the passengers is lower than a specified value, a voice prompt for prompting attention is generated by a speech synthesis device (11) and a loudspeaker (12a, 12b); when the jam of the passengers is lasted for a long time, a control inverter installation (8) generates frequency and voltage to reduce the speed of a drive motor (9) or stop the same. Thereby, under the states of direct sunshine by day, sunset shine at dusk, and less light at night, the moving speed of the passengers can be accurately detected to form the safety device.

The invention discloses a single-leg structure for a wheel-leg type robot in leg-arm mixing operation. A cockroach is simulated by applying bionic mechanism principles, and front three joints, namely a buttock joint, a hip joint and a knee joint, are arranged; rear three operating joints are respectively a first ankle joint, a second ankle joint and a third ankle joint; steering engines of the three front joints are directly connected with femur parts and drive the femur parts to rotate; a driving motor of the first ankle joint also adopts a direct-driving manner; for the rear two joints, because of the limit to the total length of a single leg and a demand for preventing motion interference, the second ankle joint is driven by adopting worm wheels and a worm; the third ankle joint uses gears to transmit power; a rolling wheel is arranged between the knee joint and the first ankle joint, and the switchover between a wheel rolling mode and a walking mode can be realized. The single-leg structure disclosed by the invention has the advantages that a tail end can form various postures, and many postures can be adopted when the robot stands or walks; whether the robot performs single-leg-arm mixing operation or double-leg-arm coordination, many route planning methods can be selected, and the flexibility is high.

A weapon sight of the kind comprising a lens having a partially reflecting surface, a light source spaced from the lens for emitting light towards said reflecting surface to produce a light spot by direct imaging of said light source on said surface to be superimposed on a target when sighting through the lens. For adjustment of the location of the light spot on the reflecting surface when observed from a defined fixed position, the sight includes a device for displacement of the light source, comprising a miniature drive motor or element operatively connected with the light source.

An intermittent internal drive system for a drum conveyor, where the conveyor is started, stopped and restarted and having a drive drum with a hollow interior, a drive motor mounted within and enclosed by the drum for rotating the drum, a clutch located within and enclosed by the drum and connected to the motor and for transmitting rotation from the motor to the drum, and, a brake within and enclosed by the drum and connected to the drum for restraining rotation of the drum.

The invention discloses an integrated electro-hydraulic servo driver hydraulic system which comprises a drive motor, a hydraulic pump, a first check valve, a second check valve, an electromagnetic reversing valve, an overflow valve, a servo valve, a hydraulic cylinder, a sealed boosting oil tank and a first throttling valve. The drive motor is connected with the hydraulic pump. The oil outlet of the hydraulic pump is connected with the first check valve. The first check valve is divided into three liquid ways at the same time. The first liquid way is connected with the port P of the electromagnetic reversing valve. The port T of the electromagnetic reversing valve is connected with the second check valve. The second liquid way is connected with the port P of the overflow valve. The port T of the overflow valve is connected with the second check valve. The third liquid way is connected with the port P of the servo valve. The port T of the servo valve is connected with the second check valve. The port A and the port B of the servo valve are communicated with the port A and the port B of the hydraulic cylinder respectively. The second check valve is sequentially connected with the sealed boosting oil tank and the port P of the first throttling valve. The port T of the first throttling valve is connected with the oil sucking opening of the hydraulic pump. The hydraulic system is not prone to heating and can stand by for a long time.

The invention provides an elevator apparatus comprising a cage 1 disposed inside a path of upward or downward movement vertically movably, a counterweight 2 vertically movable with the upward or downward movement of the cage 1, and a lift drive mechanism for driving the cage 1 upward or downward. The drive mechanism comprises a sheave 42 disposed inside the path, ropes 3 extending along a route around the sheave 42, and a drive device 5 in engagement with the ropes 3. The drive device 5 comprises a belt transmission provided alongside the ropes 3 and revolvingly movable along the rope extension route, a mechanism for pressing a belt surface of the belt transmission into contact with the ropes 3, and a drive motor for driving the belt transmission. The cage can be driven upward or downward without using any traction sheave, while the cage can be reduced in weight.

The invention discloses a cardiopulmonary-cerebral resuscitation rescue device used in the emergency room of internal medicine. The device comprises a left bottom plate and a right bottom plate on theright side of the left bottom plate, the upper surface of the left bottom plate and the upper surface of the right bottom plate are fixedly provided with a left upright column and a right upright column, and a transverse beam is fixedly installed between the tops of the left and right upright columns. The transverse beam is fixedly provided with an electric telescoping rod which is arranged vertically downwards, and a transverse plate is arranged below the transverse beam. The cardiopulmonary-cerebral resuscitation rescue device used in the emergency room of internal medicine can automatically compress the chest of a patient for cardiac resuscitation, the trouble brought manual cardiac resuscitation compression is avoided, the workload of workers is reduced, and the requirements for the level of a doctor are low; in the compression process, the rotation speed of a driving motor can be adjusted according to the actual needs to adjust the compression frequency, and in the cooperation ofa respirator, the cardiocerebral resuscitation rescue success rate is improved, and the cardiopulmonary-cerebral resuscitation rescue device is suitable for application and popularization.

The invention discloses a flexible laser cleaning system applicable to a bend pipeline. The system comprises a laser device, a crawling device and a control system. The crawling device comprises a front shell, a rear shell and a laser cleaning head. The front shell is provided with a driving motor, front driving wheels and a laser access port. The rear shell is provided with a cleaning motor and rear driven wheels. The cleaning motor is connected with the laser cleaning head. The front shell and the rear shell are connected flexibly through a spring sleeve. Energy transmitting fiber is furtherarranged in the spring sleeve. Laser beams emitted by the laser device are transmitted to the energy transmitting fiber through the laser access port and then transmitted to the laser cleaning head through the energy transmitting fiber, and accordingly, the inner wall of the pipeline is cleaned. The control system is connected with the laser device, the driving motor and the cleaning motor. According to the laser cleaning system, the front shell and the rear shell are flexibly connected by adopting the flexible spring sleeve and can adapt to the bent pipeline automatically, so that the bend pipeline cleaning quality and efficiency are improved.

The invention relates to a modified structure for automatic rear view mirror, especially a vehicle detection and alert system with blind spot elimination function. It consists of a rear view mirror main body that contains a lens; a driving motor that is installed inside the rear view mirror main body and connects to the lens to control the lens angle; a sensor that is installed inside the rear view mirror main body to detect approaching objects; a control chip module that is installed inside the rear view mirror main body and connects with the sensor and the driving motor to receive the detection signals from the sensor and control the driving motor to obtain the optimal lens angle. Thus, the driver safety is greatly improved.

The invention discloses a board cutting device. The board cutting device comprises supporting strips and a plurality of supporting feet; the plurality of supporting feet are used for supporting the supporting strips; a carrier is arranged between the supporting feet; a sliding channel is formed between the supporting strips and provided with a horizontal sliding block; one end of the horizontal sliding block is provided with a cutting wheel and the other end of the horizontal sliding block is provided with a driving motor which is electrically connected with the cutting wheel; the cutting wheel is arranged above the carrier; the supporting feet are provided with a hand wheel which is used for controlling the horizontal sliding block to move along the sliding channel. The board cutting device is convenient to operate and high in board cutting efficiency.

The invention provides a photoetching machine worktable with a driving device capable of balancing torque, comprising a coarse motion part and an inching part. The coarse motion part comprises an X-direction part and a Y-direction part which is arranged at the bottom of the X-direction part, the X-direction coarse motion part is provided with an X-direction driving motor and an X-direction comprehension motor, and the Y-direction coarse motion part is provided with a Y-direction driving motor. The photoetching machine worktable with the driving device capable of balancing the torque, which is proposed by the invention, adopts a motor as a main driving motor of the worktable and another motor to be in parallel with the former motor so as to eliminate additional torque, i.e. the two motors are combined to eliminate the additional torque which is generated by the driving force and the centroid mismatching of the motors.

The invention discloses a rotary electric field and magnetic field synchronously assisted laser welding device and method and belongs to the field of laser welding. The welding device comprises an electricity and magnet regulating device and a positioning and clamping tooling. Supporting columns and rotary air cylinders in the positioning and clamping tooling are mounted on a bottom plate. An electric field generation bottom plate is mounted on the supporting columns. Press blocks are mounted on the rotary air cylinders correspondingly. Neodymium iron boron permanent magnets in the electricityand magnet regulating device are fastened to a magnetic field regulating disc. Insulation sleeves, a welding laser head and the magnetic field regulating disc are mounted on a direct drive motor. Thedirect drive motor is mounted on a main shaft. The two poles of an electric field power source are connected to the electric field generation bottom plate and the welding laser head correspondingly.By means of the device and method provided by the invention, easy, convenient and fast regulation of a rotary magnetic field and a steady electric field can be achieved, continuous regulation of the intensity can be achieved, synchronous movement of the electric field and the magnetic field along with welding laser beams is guaranteed, and therefore, the forming quality of laser welding joints isimproved by setting the reasonable laser technological parameters including the power, the focal length, the defocusing amount, the helium protective gas flow rate and the like.

The invention discloses a physical distribution tray stacking support which comprises a support body, a lifting device and a control device. The support body comprises a square top supporting platform and four stand columns, wherein the stand columns are arranged at four corners of the square top supporting platform, a sliding groove is vertically formed in the bottom of each stand column, and a sliding block is arranged in each sliding groove. The lifting device comprises a driving motor, guiding wheels and steel wire ropes, wherein the driving motor is arranged at the upper portion of the square top supporting platform, the guiding wheels are arranged at the top ends of the stand columns, one end of each steel wire rope is fixedly connected with one sliding block in one sliding groove, and the other end of each steel wire rope is wound on a driving shaft of the driving motor. The control device comprises upper contact switches, lower contact switches, an upper infrared photoelectric switch, a bottom infrared photoelectric switch and a lifting controller, wherein the driving motor, the upper contact switches, the lower contact switches, the upper infrared photoelectric switch and the bottom infrared photoelectric switch are respectively connected with the lifting controller. The physical distribution tray stacking support has the advantages that due to the fact that trays are pulled out from the bottom for use, time is saved, labor is saved, and damage to the trays and potential safety hazards are avoided.

The invention discloses a six-degree-of-freedom mechanical arm device of a block press dedicated for an optical element. The six-degree-of-freedom mechanical arm device comprises a base, a rotary driving component, a big arm component, a small arm component, a hand component and a wrist component, wherein the rotary driving component comprises a base motor, a harmonic reducer, a base rotation shaft and a coupler; the big arm component comprises a big arm, a big arm driving motor and a first cycloidal pin gear reducer; the small arm component comprises a small arm, a small arm driving motor and a second cycloidal pin gear reducer; the big arm driving motor is connected with the bottom of a big arm; the base motor, the big arm driving motor and the small arm driving motor are all hollow shaft motors; the hand component is provided with a minitype temperature sensor. The six-degree-of-freedom mechanical arm device has the advantages of compact and simple structure, convenience in pipeline arrangement, easiness in operation and convenience in adjustment, a workpiece and a mould can be picked and placed, the temperature change of the workpiece and the mould after mould pressing can be detected in real time, the use efficiency of the block press is improved, and the damage possibility of the workpiece and the mould can be lowered.

A drive control device for use in an image forming apparatus comprises: a cover sensing unit which detects the opening of a cover of the image forming apparatus; a relay unit which controls supplement of a voltage for driving a laser scanning unit; and a relay operation control unit which controls the operation of the relay unit in response to the detected result of the cover sensing unit. Accordingly, the drive control device of the image forming apparatus can control operation of one or more driving motors and the laser scanning unit at low cost.

The invention provides a floor brush assembly and a vertical cleaning machine with the same. The floor brush assembly comprises a floor brush base, and a driving motor is arranged at the front end ofthe floor brush base; the driving motor is connected with a rolling brush assembly; a clean water outlet pipeline and a sewage recovery system are also formed on the floor brush base; the sewage recovery system comprises a sewage tank; a sewage tank cover is arranged at the upper end of the sewage tank, the front end of the sewage tank cover inclines towards the middle to form a slope surface, therear side of the sewage tank cover horizontally extends towards the middle to form a horizontal plane, vertical wall surfaces are formed between the slope surfaces on the two sides and the horizontalplane respectively, a sewage inlet is formed in the middle, and drainage angles alpha are formed between the vertical wall surfaces and the sewage inlet respectively. The clean water outlet pipelinecomprises a water storage chamber defined by a floor brush water outlet upper cover plate and a floor brush water outlet lower cover plate, and the water storage chamber is communicated with a water pump. The floor brush assembly is uniform in water outlet, sewage backflow is effectively prevented, secondary pollution is avoided, and user experience is good.

The invention relates to a portable angle power tool (10) which has a housing base (12) holding the driven tool (14, 15), the axis of said housing being adjustable by an axis of articulation (13) in relation to the axis of a housing subsection (11) serving as the handpiece. The aim of the invention is to provide a power tool of the aforementioned kind that is especially compact and light-weight. For this purpose, the portable power tool (10) is configured as a universal saw whose housing parts (11, 12) can be locked with each other in various relative positions. The housing subsection (11) receives the drive motor (19) whose output rotational movement is transmitted onto the tool, a saw blade (13, 14) which is guided in the housing base (12), via an angular gear (23, 24).

An escalator drive machine includes a motor output sheave connected to a drive motor through a belt reduction assembly including a main output sheave. A drive belt extends from the belt reduction assembly and is guided along a plurality of guide sheaves to engage the step chain and propel the escalator tread plates. In addition, by locating a pinch roller adjacent the handrail, the drive belt and handrail can be pinched together to provide a motive force to the handrail. The drive belt thereby synchronously drives the handrail. In another embodiment the drive machine includes a counter-rotating motor to drive a drive belt on each side of the escalator system.

An agricultural combine has a variable displacement pump connected to four drive motors that drive four wheels. An electronic controller monitors the speed of each wheel and reduces the torque of the motor that drives the wheel when the wheel slips. The controller reduces the torque by reducing the specific displacement of the slipping motor. Once the wheel has ceased slipping, the controller increases the specific displacement of the motor back to its original displacement.