77results about How to "Easy to design layout" patented technology

A connector receptacle (20) is constituted by a contact (2) to which a data signal is serially communicated through a connector plug and a physical layer basic circuit (5) provided inside the connector receptacle (20) and adapted to perform specified processings so that the data signal is parallel communicated between the basic circuit and a link layer circuit for the communication. As a result, the distance between the contact (2) and the physical layer basic circuit (5) is short. Therefore, it is not necessary to pay so much attention as in conventional cases in designing a pattern layout (7) so as to prevent influence on the EMI and transmission characteristics, and it is easy to design the layout of the pattern constituting the transmission line for the data.

The invention provides a pressurizing common-rail oil injection system, relating to an oil injection system of a diesel. The invention provides the pressurizing common-rail oil injection system with a pressurizing valve and a common-rail pipe arranged together. The system comprises a high-pressure oil supply pump, the common-rail pipe, a high-pressure oil pipe and an oil return pipe, and is characterized by further comprising a control valve, the pressurizing valve, an electric control unit and a plurality of electric control injectors, wherein the pressurizing valve is arranged behind the common-rail pipe and each control valve, and the pressurizing valve, the common-rail pipe and the control valves are connected by the high-pressure oil pipe one another. In the system, lower injection pressure is adopted in pre-injection and after-injection, the exhaust and energy consumption are reduced, stroke of a pressurizing plunger can be controlled, and unnecessary oil return loss can be reduced.

The present invention relates to a multimode multi-frequency combined antenna and a GNSS receiver. The multimode multi-frequency combined antenna includes a first shielding cover, a GNSS radio frequency board, a GNSS antenna, a bracket, a network main antenna, a network diversity antenna, and two WIFI Bluetooth antennas. For the multimode multi-frequency combined antenna described above, an integrated design idea is used, an optimized design layout is reasonable, clearing of an antenna area is reasonable, network main antenna and diversity antenna are separated from each other, WIFI Bluetoothantennas are separated from each other and are diagonally placed, and a physical distance is increased. In this way, not only isolation is improved, but also phase center stability of the GNSS antennacan be ensured, and a phase error caused by geometric asymmetry of the GNSS antenna is reduced. In addition, a reasonable structural design can ensure effective reception and transmitting of satellite signals, network signals, and WIFI Bluetooth signals with high-precision. In addition, the network antenna is compatible with the main diversity antenna, and a signal received by the antenna in a position in which the spatial signal is stronger is fully utilized, a signal to noise ratio is higher, and signal transmission quality is better.

The invention discloses a hypersonic velocity waverider double-wing aerodynamic layout, and double wings are mounted in the middle of a machine body and comprise an upper layer wing and a lower layer wing which are mounted symmetrically up and down; waverider design is integrated into selection of airfoil parameters of the upper layer wing and the lower layer wing, and the defects that the current wave-rider volume fraction is low and the wing body combination lift-drag ratio is not high can be effectively made up; the lifting surface area can be effectively increased, the chord length is not required to be increased while an air vehicle acquires an enough lifting surface, and accordingly, the stability and the manoeuvrability of the wide velocity area of the flight vehicle are improved. At the same time, the distance of the leading edges of the double wings is designed, so that unfavourable interference cannot occur between the two wings under the cruise working condition of the flight vehicle.

The invention provides a front and back driving force output structure of an automobile tractor without an independent transfer case, which comprises a frame, an engine, a front axle, a front axle propeller shaft, a rear axle and a rear axle propeller shaft and is characterized in that a combination transmission with front and back outputs is arranged on a dynamic output end of a vehicular engine,a forward-facing dynamic output end of the combination transmission is connected with the front axle by the front propeller shaft and a backward-facing dynamic output end is connected with the rear axle by the rear propeller shaft; and the forward-facing or backward-facing dynamic transmission direction is directly controlled by a gear engaging control lever. Compared with the current structure,the dynamic output structure omits a propeller shaft, a transfer case, an operating mechanism and a suspension fixation of the transfer case, simplifies the gear engaging control lever mechanism, reduces the material usage, saves the cost, simultaneously causes the structure of a vehicle chassis to be simple, makes room and is beneficial to the design arrangement of the whole vehicle parts.

The invention provides a conveying system and a conveying method for fine winding bobbin yarns. The conveying system comprises a bobbin winder single spindle assembly, a bobbin yarn treatment assemblyand a single spindle control system, wherein the bobbin winder single spindle assembly comprises a single spindle bobbin yarn circulating channel. The conveying system is characterized in that the bobbin yarn treatment assembly is connected with one end of the single spindle bobbin yarn circulating channel and one end of a single spindle returning channel. A bobbin yarn input channel A of a spinning frame A and an empty bobbin returning channel A are respectively connected with the bobbin yarn treatment assembly; a bobbin yarn input channel B of a spinning frame B is communicated with the bobbin yarn input channel A; the empty bobbin returning channel A strides over the bobbin yarn input channel A through an empty bobbin returning bridging channel and then is connected with an empty bobbin returning channel B; and the other end of the empty bobbin returning channel B is connected with the spinning frame B. The bobbin yarn treatment assembly is reasonable, simple and compact in structural design; and pallet operation is simple in logic so as to benefit design and layout. One bobbin winder can be matched with two spinning frames, so that equipment cost and operation cost are reduced.

The invention provides a circuit breaker operating mechanism. The circuit breaker operating mechanism comprises a spring energy storage device, a closing device and a breaking device, wherein the spring energy storage device is linked with the closing device, and the closing device and the breaking device are connected to a circuit breaker by sharing an output shaft; during closing operation, spring stored energy is released and drives the output shaft to rotate towards a closing direction, and breaking energy storage is achieved by a breaking torsional spring; and during breaking operation, the stored energy is released by breaking torsional spring, the output shaft is driven to rotate towards a breaking direction, so that closing operation and breaking operation are performed on the circuit breaker. The circuit breaker operating mechanism is reasonable in structure, stable in performance and low in manufacturing cost, and the service lifetime of a product is substantially prolonged.

The invention discloses a comprehensive pipeline design construction method based on a BIM technology. The method comprises the steps that of creating a three-dimensional comprehensive pipeline modeland a matched process family for a building according to a comprehensive pipeline design drawing and based on the BIM technology; performing collision check on pipeline models related to the buildingmajor, the structure major and the electromechanical major, and optimizing pipeline design arrangement and a construction process; performing clearance design deepening and support-hanger design deepening on comprehensive pipeline arrangement according to a collision check result; providing a comprehensive pipeline arrangement construction drawing, a wall tapping position and size construction drawing and a support-hanger design construction drawing according to a pipeline model of the mechanical and electrical major; and making a technical disclosure of virtual animation simulation for guiding on-site construction, thereby assisting managers and operators in performing on-site comprehensive pipeline construction. According to the method, all professional pipelines are comprehensively designed on the basis of the building BIM model, design is optimized, actual construction is guided, construction cost is reduced, a construction period is shortened, and construction operation efficiencyis improved.

The invention discloses a pressure relief control method for an energy accumulator of a mining dump truck, and belongs to the technical field of engineering machinery. The pressure relief control method comprises the following steps: when a main switch is turned off, a pressure in a system achieves a preset pressure range value of a pressure switch, a contact of the pressure switch is turned off, and meanwhile, a control end of a pressure relief electromagnetic valve is charged, the pressure relief electromagnetic valve is controlled to work at an upper position, pressure oil of the energy accumulator returns to an oil tank through the pressure relief electromagnetic valve, and a pressure of the energy accumulator is relieved; and when the pressure in the system is lowered to be out of the preset range of the pressure switch, the contact of the pressure switch is turned on, the control end of the pressure relief electromagnetic valve is uncharged, the pressure relief electromagnetic valve is controlled to work at a lower position, and the pressure relief is completed. The problems of incapacity of ensuring an emergency steering capability of the energy accumulator of the mining dump truck before safe stopping during the pressure relief, and a strange squeaking sound of throttle pressure relief can be solved.

The invention discloses a human-vehicle conflict real-time analysis method for a comprehensive passenger transport hub. The human-vehicle conflict real-time analysis method includes steps of S1, constructing a human-vehicle conflict real-time analysis index system of the comprehensive passenger transport hub; S2, acquiring real-time comprehensive passenger transport hub vehicle and human flow traffic data of a comprehensive passenger transport hub monitoring and managing system and computing various index values of the index system; S3, determining scoring standards of the index values of the human-vehicle conflict real-time analysis index system of the comprehensive passenger transport hub, and setting grade standards of the human-vehicle conflict of the comprehensive passenger transport hub; S4, computing and analyzing weight values of the index system; S5, analyzing human-vehicle conflict states of the comprehensive passenger transport hub according to the index values and the weight values. The human-vehicle conflict real-time analysis method has the advantages that the human-vehicle conflict states of the comprehensive passenger transport hub are analyzed by the aid of the predicted vehicle and human flow data, and accordingly improvement means can be provided for design layout of the comprehensive passenger transport hub.

According to an embodiment of the present invention, a strut assembly of a strut suspension system, which includes a shock absorber fixed to a vehicle body panel by a fixing member, provides multiple functions to an integrated insulator that surrounds a cylinder rod of shock absorber. That is, the elastic damping mass serves as an elastic mounting bush, and serves as a spring pad and a spring seat that support a spring surrounding to shock absorber by using a damping mass. Therefore, it is possible to obtain a characteristic of strut assembly that does not include various parts such as a washer, a bush, a spring pad, and a spring seat.

The invention discloses an optimized clinic operative apparatus for the orthopedics department. The operative apparatus comprises a base plate, vertical supporting plates vertically arranged are welded to the two top sides of the base plate, and a slide transverse rod and a threaded transverse rod which are parallel are connected with the two vertical supporting plates; a rotary handle is connected to one end of the threaded transverse rod, the rotary handle is located on the outer end surface of one vertical supporting plate, and two movable vertical plates arranged oppositely are connected with the slide transverse rod and the threaded transverse rod; fixed supporting plates are arranged on the tops of the movable vertical plates, and flexible protective mechanisms are arranged in the fixed supporting plates and comprise flexible plates arranged in the fixed supporting plates; connecting blocks are arranged at the bottoms of the flexible plates, and flexible long rods are rotatably connected to the two sides of the bottom of each connecting block. The operative apparatus is reasonable in layout, can be adjusted according to the treating requirements of a patient, can protect thepart, needing to be treated, of the patient in the treating process, and effectively improves the comfort of the patient and the treating quality of the orthopedics department, and the apparatus is worthy of popularization.

The invention discloses a heat exchanger with a vortex pair type squarely arranged heat transferring vortex array. The heat exchanger with the vortex pair type squarely arranged heat transferring vortex array comprises a housing 1, wherein a heat transferring core 2 is arranged inside the housing; the heat transferring core comprises cylindrical heat transferring vortexes arranged according to a square array; the outlines of the adjacent heat transferring vortexes are tangent; the sizes, the spiral leads and spiral phases of the heat transferring vortexes are identical; the heat transferring vortexes comprise right-handed rotating vortexes 2-1 and left-handed rotating vortexes 2-2; the spiral rotating directions of any two adjacent heat transferring vortexes are opposite. The heat exchanger with the vortex pair type squarely arranged heat transferring vortex array has the advantages of enhancing the heat transfer effect, reducing the flow resistance and barely increasing the cost as the flow directions of the vortex pair type adjacent heat transferring vortexes are consistent at the tangent position to form resultant force, and can be applied to occasions such as a squarely arranged distorted elliptical tube heat exchanger.

The invention relates to a GPS (global positioning system) antenna for a vehicle. The GPS antenna comprises a ceramic antenna assembly and a PCB, wherein the ceramic antenna assembly is combined and mounted on the PCB; the PCB comprises a double-power-supply processing circuit, a resistor, a prime amplifier, a filter, a power divider, a post-amplifier A and a post-amplifier B; the double-power-supply processing circuit is connected with the resistor; the resistor is connected with the prime amplifier, the post-amplifier A and the post-amplifier B; the ceramic antenna assembly is connected with the prime amplifier which is connected with the filter; the filter is connected with the power divider; the divider is connected with the post-amplifier A and the post-amplifier B; the post-amplifier A is connected with the double-power-supply processing circuit and a signal receiving end of a traveling data recorder; the post-amplifier B is connected with the double-power-supply processing circuit and a signal receiving end of a vehicle-mounted entertainment system. With the adoption of the GPS antenna for the vehicle, interior space is saved, design and layout of the whole vehicle are facilitated, assembly procedures are simplified, the number of parts is reduced, and manufacturing cost and weight of the whole vehicle are reduced.

The invention discloses a material screening machine. The material screening machine comprises a machine case, a screening chamber, a discharge chamber and a residue discharge chamber, wherein the screening chamber, the discharge chamber and the residue discharge chamber are arranged in the machine case; a driving assembly is arranged outside the machine case; the screening chamber and the discharge chamber are separated through a roller screen fixed to the interior of the machine case; the screening chamber and the residue discharge chamber are separated through a discharge roller hinged to the interior of the machine case; a screening plate frame is hinged to the interior of the screening chamber; a plate frame connecting shaft of the screening plate frame is connected with the driving assembly, so that the driving assembly drives a plate frame body of the screening plate frame to rotate inside the screening chamber; and the plate frame connecting shaft is connected with a dischargeroller connecting shaft through a transmission assembly. The material screening machine provided by the embodiment of invention is reasonable in structure design, can implement the screening process well, has the advantages of being small in size and light in structure and facilitates design layout of a production line.

The invention relates to a split rocker arm and valve bridge combined type engine valve double-piston hydraulic driving device. A main driving piston and an auxiliary driving piston are arranged on asplit rocker arm and a valve bridge body correspondingly, the auxiliary driving piston is connected with an exhaust valve, and a driving oil channel is communicated with the main driving piston, the auxiliary driving piston and a driving control valve. When the driving control valve opens a driving oil channel, the main driving piston and the auxiliary driving piston achieve hydraulic linkage, during lift driving, a second rocker arm body and the valve bridge do not move, and the auxiliary driving piston opens the exhaust valve; and when main lift starts, a main piston body oil channel and anauxiliary piston oil channel are cut off, and the auxiliary driving piston automatically resets. When the driving oil channel is cut off, in the driving lift process by an integrated cam, the drivingmain piston absorbs the driving lift from the integrated cam assembly to the split rocker arm, the split rocker arm is fixed, and the driving lift of the integrated cam is not transmitted to the sideof the exhaust valve. The split rocker arm and valve bridge combined type engine valve double-piston hydraulic driving device is simple in principle and compact in structure, and improves the reliability and durability of engine driving operation.

The invention discloses a water cooling structure for a multi-cylinder engine. The structure comprises a cylinder body cooling water flow channel and a cylinder cover cooling water flow channel, wherein the cylinder body cooling water flow channel is provided with an water inlet of the cylinder body cooling water flow channel and a water outlet of the cylinder body cooling water flow channel; a water flow damping device is arranged in the cylinder body cooling water flow channel; the cylinder body cooling water flow channel is divided into a front section and a rear second by the water flow damping device; the cylinder cover cooling water flow channel surrounds all the cylinder combustion chamber regions; the cylinder cover cooling water flow channel of each cylinder combustion chamber region is provided with a cylinder cover water inlet and a cylinder cover water outlet; the top of the cylinder cover cooling water flow channel is communicated with an exhaust pipe; the cylinder cover water inlet of the cylinder cover cooling water flow channel of each cylinder combustion chamber region is communicated with the cylinder body cooling water flow channel at the front section of the water flow damping device; and the cylinder cover water outlet of the cylinder cover cooling water flow channel of each cylinder combustion chamber region is communicated with the cylinder body cooling water flow channel at the rear section of the water flow damping device. The structure ensures that each combustion chamber of a cylinder cover can be uniformly cooled by cooling water and avoids influence of local overheating of the cylinder cover on the engine performance.

The invention relates to a parallel multi-channel numerical control machine. The numerical control machine tool comprises a cross beam, at least two ball screw transmission mechanisms which are arranged in parallel up and down are arranged on the front side of the cross beam, each ball screw transmission mechanism comprises a left ball screw transmission mechanism body and a right ball screw transmission mechanism body, each left ball screw transmission mechanism body comprises a left ball screw and a left motor drive mechanism arranged at the left end of the cross beam, the right end of eachleft motor drive mechanism is connected with the left end of the corresponding left ball screw, each right ball screw transmission mechanism body comprises a right ball screw and a right motor drive mechanism at the right end of the cross beam, the left end of each right motor drive mechanism is connected with the right end of the corresponding right ball screw, the right end of each left ball screw is opposite to the left end of the corresponding right ball screw at a reserved position, and the reserved positions in the at least two ball screw transmission mechanisms are staggered in the transverse direction. The numerical control machine tool can arrange more transverse sliding plates in the limited size space as many as possible

The invention discloses a four-gear transmission power system based on hybrid power. The four-gear transmission power system based on the hybrid power comprises a differential mechanism; a main reduction gear of the differential mechanism can be driven by a hybrid driving component and / or a pure electric driving component; the hybrid driving component at least comprises an input shaft, a first output shaft and a second output shaft which are parallel to each other; the input shaft is in transmission connection with the first output shaft and the second output shaft through D gear components; one end of the input shaft is coaxially connected with an engine through a separating clutch; the other end of the input shaft is in transmission connection with an auxiliary motor through a transmission component; and the central axis of the auxiliary motor and the central axis of the engine are arranged in an offset manner and are not positioned on the same axis. The four-gear transmission powersystem based on the hybrid power has the beneficial effects that the structure is simple, the design is exquisite, the auxiliary motor is offset and is not positioned on the same axis with the engine;through adoption of the transmission component, a rotation speed, torque and the like desired by a reversing drag engine are satisfied; the auxiliary motor with smaller specification can be selected;the cost is reduced; and meanwhile, the design layout is convenient, and the layout is more reasonable.

The invention provides a crankshaft damper which comprises an outer ring (1) and an inner ring (2). The outer ring (1) is wholly in a non-regular round shape. The crankshaft damper can reduce effect of rolling vibration and torsion vibration of a crankshaft on tension of a front end accessory belt so as to prolong the service life of the belt.

The invention discloses a hybrid four-gear transmission driving system. The hybrid four-gear transmission driving system comprises a differential mechanism; a main reduction gear of the differential mechanism can be driven by a hybrid driving component and / or a pure electric driving component; the pure electric driving component at least comprises a main driving motor and a third output shaft; anE first-gear driving gear and an E second-gear driving gear are fixedly arranged on a motor shaft of the main driving motor; an E first-gear driven gear engaged with the E first-gear driving gear andan E second-gear driven gear engaged with the E second-gear driving gear are arranged on a third output shaft; and an E synchronizer arranged on the third output shaft is also arranged between the E first-gear driven gear and the E second-gear driven gear. The hybrid four-gear transmission driving system has the beneficial effects that the system can run under a pure electric condition; the gear has two gear options; and the gears can be switched according to needs to reduce requirements on the main driving motor. The impact sense can be eliminated, the whole vehicle cannot shake during running, and the driving and taking comfort is better.

The invention discloses a refrigeration bin and system of in-vitro diagnosis equipment and a reagent bin. The refrigeration system comprises a controller, the refrigeration bin and the reagent bin. The refrigeration bin comprises a shell, a heat dissipation assembly, a cooling assembly and a Peltier. The heat dissipation assembly comprises a heat dissipation fan and a heat dissipation sheet, and the heat dissipation sheet absorbs heat of the Peltier; the heat dissipation fan blows air outside the refrigeration bin to the heat dissipation sheet and conducts heat exchange with the heat dissipation sheet, so that hot air is discharged to the exterior of the shell. The cooling assembly comprises a cooling sheet and a cooling fan. The reagent bin is connected with the refrigeration bin througha pipe and comprises a cold-temperature temperature sensor. The controller controls the cooling fan to rotate when a cold-end detection temperature value obtained by a cold-end temperature sensor is larger than a cold-end temperature threshold value, otherwise, the cooling fan is controlled to stop rotating and / or the Peltier is controlled to be powered off. Since the Peltier is arranged at the refrigeration bin, convenience is provided for design layout and installation maintenance, and the refrigeration bin and the refrigeration system are simple in structure.

The invention discloses a coaxial dual-way intelligent lock clutch mechanism. The coaxial dual-way intelligent lock clutch mechanism comprises an electric clutch assembly, a mechanical key clutch assembly and an unlocking transmission assembly; the electric clutch assembly comprises a motor, a reversing gear, a clutch gear, a space cam transmission part, a middle sliding key transmission rod, a reset spring, a clutch supporting base and a pressing plate, the mechanical key clutch assembly comprises a lock front panel, a handle, a key spring, a lock cylinder, a front end sliding key transmission rod and a handle fixing sleeve, and the unlocking transmission assembly comprises a rear sliding key transmission rod and a square shaft rod. The coaxial dual-way intelligent lock clutch mechanism is compact and practical in structure, the motor transmission clutch and key manual clutch are combined into one in the coaxial direction, the whole intelligent lock structure can be simplified, the appearance is simple, design layout is facilitated, and the mechanism can be general for design of a series of products.

The invention relates to a regular-triangular-arrayed vortex array heat-transfer device. The regular-triangular-arrayed vortexes array heat-transfer device comprises a cylindrical shell and a heat-transfer core body; the heat transfer core body comprises Y-shaped heat-transfer vortex arrays arrayed along the vortexes; a heat-transfer vortex array formed by rotate-right or rotate-left V-shaped heat-transfer vortexes is arranged in each sector area formed by two Y-shaped adjacent arms; the rotation direction of the Y-shaped heat-transfer vortexes arrays is opposite to the rotation direction of adjacent V-shaped heat-transfer vortexes arrays, and the rotation directions of the heat-transfer vortexes in two adjacent rows of V-shaped heat-transfer vortex arrays are opposite. The regular-triangular-arrayed vortex array heat-transfer device has the advantages that the flow directions in a channel at the tangent position of the adjacent heat-transfer vortex arrays is the same, improving of the heat-transfer effect is facilitated, the flow resistance is reduced, and the cost is nearly increased; the regular-triangular-arrayed vortex array heat-transfer device can be used in the occasions of a twisted ellipse tube heat exchanger, nuclear reactor core and the like.