217results about How to "High transmission reliability" patented technology

The invention discloses a bearing type RV speed reducer, and belongs to the technical field of speed reducers. The speed reducer comprises a pin wheel housing, an installation frame is arranged in the pin wheel housing in a rotary mode, the installation frame is provided with two cycloid gears in transmission connection with the pin wheel housing through needle rollers, the installation frame is rotatably provided with a power input shaft, the power input end of the power input shaft extends out of the installation frame, the power input shaft is provided with two eccentric drive wheels which penetrate through the centers of the two cycloid gears respectively and are matched with the corresponding cycloid gears, the installation frame is rotatably provided with at least two positioning shafts which are symmetric to the rotation center of the power input shaft, and each positioning shaft is provided with two eccentric transmission wheels which penetrate through the two cycloid gears respectively and are matched with the cycloid gears. Power center input and first speed reduction are achieved. Compared with the prior art, the bearing type RV speed reducer reduces the number of power input shafts and use of sun gears and planetary gears, manufacturing cost is low, transmission is reliable, machining and installation are convenient to achieve, and service life is prolonged.

The present invention relates to free speed variator and speed varying method. The speed variator has crankshaft link rod mechanism connected via hinging shaft to the gyration shaft, block set inside the slide slot in the gyration shaft and connected via shaft to worm gear, worm with ends connected to the bearing seat, gyration shaft connected with toothed block via the hinging shaft, toothed block connected to the rack, guide wheels on two sides of the rack, and rack connected with ratchet. The speed varying method includes converting the rotation the crankshaft link rod mechanism inputs into gyration via the gyration shaft; driving the rack to reciprocate with the gyration shaft; and driving the ratchet to output rotation with the rack. The present invention has hard connected mechanical transmission mode to control rotation speed and transmission ratio for free change and output, has simple structure, low cost and other advantages, and may be used in vehicle, lathe, etc.

The invention discloses a bottle discharge mechanical hand which comprises a lifting shaft base, a rotary lifting shaft arranged on the lifting shaft base, and a clamping installing base arranged on the top of the lifting shaft. The lifting shaft is provided with an idler wheel and an idler wheel shaft. A sliding type claw and a claw control mechanism are arranged at the front end of the clamping installing base. The lifting shaft base is provided with a cam groove which is matched with the idler wheel and enables the lifting shaft to be rotated in an orienting mode in the lifting process. The vertical part of the bottle discharge mechanical hand is small in occupied space. When the bottle discharge mechanical hand is arranged on a bottle manufacturing machine, the clamping installing base can be arranged roughly along the tangent line of a rotating disc of the bottle manufacturing machine or the position parallel to the tangent line, the direction of moving glass bottles out can be the direction perpendicular to the rotary disc of the bottle manufacturing machine roughly, a follow-up discharging device can be arranged conveniently, arrangement space needed by equipment is greatly reduced, and the space utilization rate is increased. The invention further provides the bottle manufacturing machine adopting the bottle discharge mechanical hand and the glass bottles manufactured by the bottle manufacturing machine.

The invention provides an industry radiographic inspection negative film digitalizer. The problems that the device can be used for few negative film standards, the degree of automation of a shading device is low, a driving chain is too long, the transmission efficiency is low, the negative film is scratched through scanning, the adjusting time of a light path is long and the like can be solved through a multi-length standard feeding mechanism, an automatic shading device, a simplifying gear driving deice, a whole shaft driving rubber roll, a multi-degree of freedom light path adjusting device and the like. The multi-length-standard feeding mechanism can realize the continuous collection of the negative films and is suitable for the negative films with the multi-length standard; the automatic shading device can automatically adjusting the width of black-out cloth through the width of input negative film; the multi-degree of freedom light path adjusting device can realize the adjustment of the light path on multiple degree of freedoms; the multi-length-standard automatic feeding mechanism is an inlet of each negative film, the black-out cloth is automatically adjusted to shade the rays arranged outside the negative films, and the negative films are perpendicularly delivered, and meanwhile, the digitized quality of the negative films is improved.

The invention relates to a three-dimensional flapping flapping-wing drive mechanism which comprises a rack, a motor, a reduction gear unit, linkage guide rods, spherical hinged support connecting rods and rocker arms, wherein the motor and the reduction gear unit are directly mounted on the rack, the upper surfaces of the linkage guide rods are inclined planes and are hinged with the middles of the rocker arms; the top of the rack is fixedly connected with a spherical hinge; one ends of the rocker arms are also fixedly connected with a spherical hinge; two ends of the spherical hinged support connecting rods are fixedly connected with a spherical hinged support, wherein one ends of the spherical hinged support connecting rods are connected with the spherical hinge on the rack, and the other ends of the spherical hinged support connecting rods are connected with the spherical hinge on the rocker arm. The flapping-wing drive mechanism is simple in structure and light in weight, the rocker arm can realize symmetric three-dimensional flapping under the condition that the mechanism dimension is very small, so that the flapping-wing can produce strong pneumatic force, has the relatively good pneumatic efficiency, and can be relatively well applied to a flapping-wing aircraft to obtain a relatively good flight performance.

A physiologic transmitter manages multiple communications between physiologic data acquisition devices attached to the patient and a receiver attached to an MRI or CT scanner. The transmitter's processor is able to generate waveform data and trigger data based upon the acquired physiologic data and transmit the data to a physiologic receiver attached to the host scanner. The receiver then is able to deliver a trigger signal to the host scanner for imaging the patient during a selected time frame based upon cardiac and/or respiratory cycles of the patient.

The invention relates to structural design of parts of a CRRT (continuous renal replacement therapy) machine, and in particular relates to an intelligent heparin pushing injector used for the CRRT machine. The intelligent heparin pushing injector comprises an injection syringe, a controller, a motor, a ball screw, an installation base plate, and a pushing base with an inner cavity, wherein a support base with a first groove in the bottom is fixedly arranged on the top of the installation base plate, and a through hole communicated with the first groove is formed in the bottom of the installation base plate; a fixed base is fixedly arranged on the top of the installation base plate, the pushing base is positioned between the support base and the fixed base, a nut of the ball screw is mounted in the inner cavity of the pushing base; a tube of the injection syringe is arranged on the top of the support base, the tail end of a handle of the injection syringe is connected with the pushing base, the output end of the motor extends towards the through hole, and is connected with the end, extending into the first groove of the support base, of a screw rod of the ball screw through a transmission mechanism, the controller is connected with the motor through a circuit to control the operation of the motor, and the nut of the ball screw drives the pushing base to push the tail end of the handle of the injection syringe to carry out pushing injection. The intelligent heparin pushing injector has the beneficial effects that the input speed is accurate to control and is stable, the operation is convenient, and the degree of automation is high.

The invention discloses a hybrid power assembly with multimode compound planets. An engine, an elastic damper, a first motor, a first planetary line, a second planetary line, and a second motor are coaxially and sequentially mounted. An output shaft of the hybrid power assembly is connected to the second planetary line. A first shift brake is connected to the output shaft of the first motor and the first planetary line. A second shift brake is connected to the first planetary line and the second planetary line. A third shift brake is connected to an output shaft of the second planetary line and an output shaft of the second motor. A controller is electrically connected to a storage battery, the engine, the first motor, the first motor, the first shift brake, the second shift brake and the third shift brake. The hybrid power assembly with multimode compound planets has the advantages of being high in transmission efficiency, low in running and production cost, high in reliability, good in load capacity, long in service life and good in cost-performance.

The invention relates to a horizontal-woven device, which provides a triangle device for selecting needle of horizontal-woven device. The knitting system comprises two needle-selection plate movable triangles; two flower-types recover triangles and a triangle bottom plate. Wherein, said needle-selection movable triangles are symmetry hinged on the triangle bottom plate which can rotate around the hinge point; and said flower-type recover triangle is fixed on the triangle bottom plate with an operation inclined surface on it. The invention comprises the advantages that: using rotational needle-selection triangle and fixed type and flower-type recover triangle to simplify the needle-selection triangle device, therefore, the whole device needs tens of elements with smaller volume, reduced producing cost, improved transmission reliability and motion accuracy.

The invention discloses a novel commercial automobile wheel differential mechanism assembly and an assembling method, and belongs to the technical field of automobile manufacturing. According to the wheel differential mechanism assembly and the assembling method, an integrated structure of a driven bevel gear and a left shell of the differential mechanism is adopted, an anti-rotation cross shaft assembly is integrated on a right shell of the differential mechanism, and a good lubricating system is arranged, so that the phenomena that the driven bevel gear is broken during connecting bolts, a driving bevel gear and the driven bevel gear are in collision with each other, and a spherical surface of a planetary gear of the differential mechanism is seriously worn can be eliminated; connectingparts are also reduced, processing and assembly processes are convenient, the production takt is improved, and the transmission efficiency and the reliability of the product are improved; compared with an original structure, the weight is reduced by 7.9%, and the cost is reduced by about 6%; and compared with an wheel differential mechanism assembly with different speed ratios, the right shell ofthe differential mechanism can be commonly used and interchanged, so that the organization production is facilitated, the interchangeability of the product and the organization efficiency of spare parts are also improved, and therefore the purposes of light weight, economy and refined production are achieved.

The invention provides a gear type time difference brake device which comprises a gear assembly with a toothed part and a toothless part, a brake input mechanism with an input traction member and an input rack which are configured between a brake actuation assembly and the toothed part of the gear assembly, and a time difference brake mechanism which is provided with a time difference traction member and a time difference output rack which are configured between the toothless part of the gear assembly and a brake assembly, and is a time difference rotation angle less than the toothed part. According to the device, the time difference braking effect can be achieved by the time for a process that the gear assembly rotates to be engaged with the time difference output rack.

The invention discloses a low-speed motor direct driving mechanism used for a top part driving well drilling device. The low-speed motor direct driving mechanism comprises a hollow main shaft, a motor and a control mechanism. The motor comprises a motor upper end cover, a motor shell, a rotation head internal sleeve and a stator and rotor mechanism. The motor upper end cover, the motor shell and the rotation head internal sleeve are all sleeved on the external side of the hollow main shaft. The stator and rotor mechanism is installed in a sealing space formed by the motor upper end cover, the motor shell and the hollow main shaft. The sealing space is communicated with a cold air mechanism. The stator and rotor mechanism has a protruding-pole structure and is designed in a two-segment type. The control mechanism comprises a speed monitoring device and a brake device which is arranged on the hollow main shaft. According to the low-speed motor direct driving mechanism used for the top part driving well drilling device, the hollow main shaft is utilized to directly drive a drilling rod without an intermediate speed reducing mechanism so that structure of the top part driving well drilling device is greatly simplified, and a large amount of auxiliary components are reduced. Meanwhile, the well drilling process becomes smoother by structural design of the motor.

A signal transmission device for a tire pressure gauge with a gas nipple, the tire pressure gauge including a circuit board on which a signal transmission circuit is installed and an enclosure for containing the circuit board therein. The signal transmission device includes: a tire pressure detection circuit for detection of the pressure value inside the tire and transforming the pressure value into electrical signal; the signal transmission circuit, which is mounted on the circuit board for transforming the electrical signal into signal to be transmitted; a cylindrical coil, one end of which is electrically connected with the signal transmission circuit for receiving the signal to be transmitted and radiating the signal to be transmitted out of the tire, while the other end thereof is electrically connected with the gas nipple to function as an impedance match element so as to transmit the signal out of the tire; and the gas nipple connected with the enclosure of the tire pressure gauge in a universal manner, and transmitting the signal out of the tire.

A automatic washer deceleration clutch, includes: input shaft;dewater shaft nesting wash shaft; output of input shaft outputs to wash shaft by reduction gears,and input coupling or segregation by clutch and dewater shaft. The key point is that the reduction gears is less gear planetary gear train. The gears can be nested to dewater shaft; the washing reduction gears further include a NGW planetary gear train, which is set out of dewater shaft. This invention revolute the current low-geared mechanism, brake mechanism,and onoff mechanism of clutch, and is of high speed ratio,easy processing and low cost. The invention can keep ordinary washing and dewatering speed, and substitute for helix torsion onoff mechanism for the current tech to improve reliability.

The invention discloses a mechanical arm device which comprises a first rocking rod (21) and a second rocking rod (22), wherein when the first rocking rod (21) rotates around the first end, the second rocking rod (22) drives an arm body (5) connected with the second rocking rod to slide along a sliding rail (7); and the mechanical arm device also comprises an assisting part, and the assisting part selectively drives the arm body (5) to slide forwards or backwards along the sliding rail (7). Therefore, when the mechanical arm device is positioned at a dead point, the assisting part drives the arm body (5) to move forwards or backwards along the sliding rail (7) so as to change the included angle between the first rocking rod (21) and the second rocking rod (22), thus the mechanical arm device passes through the dead point smoothly, and the driving reliability of the mechanical arm device is improved. The invention also discloses a substrate processing system comprising the mechanical arm device.

The invention discloses a co-spectrum transmission modulation and demodulation device for scatter communication and relates to co-spectrum transmission modulation and demodulation devices in the field of scatter communications, wherein according to the co-spectrum transmission modulation and demodulation devices, spectrum resources and transmitting power are limited, and the demodulation threshold is low. The co-spectrum transmission modulation and demodulation device is composed of an auxiliary multiplexing/de-multiplexing device, a co-spectrum transmission modulator, a D/A converter, a local-oscillation module, an IQ modulator, a band-pass filter, an amplifier, a co-spectrum receiving low-threshold demodulator, an A/D converter, an intermediate-frequency amplifier and other components. By the adoption of the co-spectrum transmission technology on the basis of merging time domain diversity and self-adapting co-spectrum receiving, the spectrum resources occupied by a high-capacity scatter communication system are greatly reduced, and meanwhile high-quality service transmission can be achieved. The co-spectrum transmission modulation and demodulation device for the scatter communication has high-efficiency forward error correction coding and decoding functions, can guarantee the low receiving threshold of equipment and is especially applicable to high-quality and high-throughput service transmission on a beyond-visual-range radio communication link under the condition that the spectrum resources and power are limited.

The invention provides an industrial ray detection negative film digital device, which effectively solves the problems that the device cannot continuously acquire multiple negative films, the negative films of suitable specifications are few, a sensor has low sensitivity, the slipping transmission efficiency of a synchronous belt is low and the like through an automatic film feeding mechanism, a linkage shading device, a gear transmission device, a heat-dissipating device and a capacitance sensor. The automatic film feeding mechanism can continuously acquire multiple films; a film rubbing mechanism guarantees single film feeding at each time; an optimized digital acquisition module performs optimized improvement on the sensor and the transmission scheme; a double roller transmission mechanism is driven through gear transmission to feed the film horizontally and horizontally discharge the film after turning over by 180 degrees, so that convenience for use and high transmission reliability of the device are guaranteed; the automatic film feeding mechanism is the entrance of the film and is linked with the linkage shading mechanism; a shading plate is adjusted to shade light ray outside the film; vertical transmission of the film is guaranteed; the digital quality of the film is improved; the heat-dissipating device forms air convection in the device; and the temperature of the device is reduced.

A spatial wedge type double-clutch is characterized by being provided with a wedge-in control mechanism and two auto-excitation spatial wedge mechanisms / secondary clutches with high torque capacity. The control mechanism controls connection and separation of the double-clutch by operably controlling wedge-in and wedge-out of intermediate parts in the spatial wedge mechanisms. The wedge-in control mechanism most preferably comprises a mechanical rotational guide mechanism or a fluid closed chamber mechanism. Two trigger mechanisms require no maintaining energy, can be driven without high energy, and needs nearly zero energy in theory. The spatial wedge type double-clutch has overload slipping transmission capability automatically and adaptively. Meanwhile, power supply devices and driving devices are omitted, so that structure and operating procedure are simplified dramatically, cost is lowered, and higher reliability, miniaturization, lightweighting and long-distance wire controlled transmission are easy to be achieved.

The invention discloses a transmission system of coal mine machinery, which comprises a power part used to provide power to the coal mine machinery; and the power part is a variable frequency motor (21) which is arranged at an appropriate position of the coal mine machinery body. The whole starting process of the variable frequency motor (21) does not produce impact torque, the variable frequency motor is smoothly started, to significantly reduce the vibration load that the transmission system bears when the coal mine machinery is started, so as to improve the transmission reliability and the working safety of the coal mine machinery. The invention also discloses the coal mine machinery which comprises the transmission system.

The invention provides a vehicle braking and steering combined system comprising an inflator (10), a motor (20), a steering oil pump (30), a controller (40) and a reduction box (100); the motor shaft of the motor (20) is connected with the input shaft of the reduction box; the first output shaft of the reduction box is connected with the steering oil pump; the second output shaft of the reduction box is connected with the inflator through an electromagnetic clutch (50); the controller is used for controlling the electromagnetic clutch to connector or disconnect. By using said structure, the reduction box has two output shafts, so motor power density can be improved, thus reducing motor volume, and reducing cost; in addition, two output shafts of the reduction box are respectively designed with different reduction ratios according to requirements of the inflator and the steering oil pump, i.e., the rotating speed of the motor, the steering oil pump and the inflator can be flexibly designed, and reduction ratios of the two output shafts can be coupled; the whole combined system is compact in structure, small in noises, and high in transmission efficiency and reliability.

The invention discloses a tennis ball picking-up and transporting vehicle. The tennis ball picking-up and transporting vehicle comprises a guide wheel, walking wheels and a frame, wherein the frame is provided with a lower ball storage box and an upper ball storage box; the frame comprises vertical connecting rods and a horizontal connecting rod; a connecting shaft is arranged in front of the bottom horizontal connecting rod, and is connected with the front vertical connecting rod; the walking wheels are connected with both sides of the connecting shaft; a picking-up rotating wheel is arranged between two walking wheels, and is fixedly connected with the connecting shaft; a picked tennis ball is respectively matched with picking-up end surfaces of two adjacent picking-up rotating wheels; the distance between the end surfaces of the adjacent picking-up rotating wheels is smaller than the outer-circle diameter of the tennis ball in a free state; a first supporting rod is arranged between two vertical connecting rods, and is connected with an upper baffle plate; a lower guide plate is arranged on the bottom horizontal connecting rod. The tennis ball picking-up and transporting vehicle is reliable in transmission and convenient to produce, assemble and adjust, reduces the picking-up and transporting workload of personnel picking up the balls, and improves the picking-up efficiency, thereby being especially applicable to occasions with larger scale and more users.