173results about How to "Small installation space requirement" patented technology

The invention relates to a drive train (10) for a hybrid vehicle comprising an internal combustion engine (12) having a motor shaft (18) for providing a torque for driving the hybrid vehicle, and comprising an electric machine (30) for providing a torque for driving the hybrid vehicle, wherein the electric machine (30), in particular for starting of the internal combustion engine (12), can be coupled to the motor shaft (18) by means of a selectively engageable planetary gear unit (38) for providing at least two different transmission ratios, wherein the electric machine (30) can be coupled by means of a transmission gearing (48), in particular a sun gear system having a transmission ratio different from 1.0, having an intermediate shaft (46) for introducing the torque into the planetary gear unit (38).

An x-ray detector, especially for a computed tomograph, includes a number of detector modules arranged next to one another in a stacking direction with a front side, which during operation is oriented towards an x-ray source, and with a rear side lying opposite the front side. For screening against x-rays which pass during operation through an installation between two adjacent detector modules, an absorption element is positioned on the rear side of the two adjacent detector modules.

A drive device for a vehicle includes at least one electric machine having at least one rotor element which is configured to delimit an installation area in a radial direction. Disposed, at least partly, in the installation area, is at least one transmission device which is configured to be driven by the electric machine via the rotor element.

The invention discloses a hybrid energy feedback type direct-current traction power supply device and control method. The device comprises a diode rectifying component providing traction power and a brake energy processing component parallelly connected with the diode rectifying component. The brake energy processing component comprises a feedback branch and an energy accumulation branch, wherein the feedback branch converts the brake energy and feeds the converted brake energy back to an alternating-current power grid or provides and replenish traction power, and the energy accumulation branch accumulates the redundant brake energy. The control method is used for performing direct-current traction power generation and brake energy processing, and the method is simple to implement, energy saving, safe and reliable. The hybrid energy feedback type direct-current traction power supply device is simple and reliable, low in loss and high in overload capacity during traction energy supply, capable of processing the brake energy, feedback, accumulation and recycling of the brake energy are achieved, energy waste is reduced while system cost is lowered, and a traction network is stable in voltage and small in required mounting space.

The invention discloses a high and low speed shaft turning gear of a high power wind generation set and a using method thereof. The high and low speed shaft turning gear of the high power wind generation set comprises a main gear box, an externally arranged hydraulic source, a hydraulic motor, a motor shaft gear, an intermediate level gear, a wind wheel, a low speed level gear, a high speed level gear, a brake disc, an intermediate level shifting gear, a shifting mechanism and a shifting controller. According to the high and low speed shaft turning gear of the high power wind generation set and the using method, the hydraulic motor and the shifting mechanism are driven by a hydraulic system to achieve the self-turning function of a low speed shaft and a high speed and the locking of the wind wheel; the separate turning of the high speed shaft is achieved when the high speed shaft needs to be centered, so that the problem that start-stop of the low speed shaft which performs turning together with the high speed shaft causes the low accuracy of centering data collection of the high speed is solved, the influence of the wind conditions of a wind field on turning operation of the high speed shaft is reduced, and the efficiency and safety of the turning operation of the high speed shaft is improved; the problems that the turning is difficult and the artificial demands are multiple in a wind power station are solved and the high and low speed shaft turning gear is efficient, safe and labor-saving.

A ball-and-socket joint comprising an inner hub (1) and an outer hub (6) inside which tracks are disposed that are associated with each other in pairs. At least one ball is arranged in each track in order to transmit torque between the inner hub and the outer hub. The ball-and-socket joint further includes at least one diaphragm which seals the outer hub with respect to a joining element that can be connected in a torsion-proof manner to the inner hub. The outer hub is provided with a metallic interior element encompassing the tracks, a dampening element which embraces the interior element in at least some areas, and a cap that embraces the damping element in at least some areas in order to connect the outer hub to a driving part or a part to be driven. The damping element is made of a material having a modulus of elasticity lower than the modulus of elasticity of the metallic material of the interior element and/or the cap of the outer hub while being greater than the modulus of elasticity of the diaphragm.

The invention discloses an articulation method of a fixed articulation of a low-floor vehicle and an articulation device of the fixed articulation. The articulation method of the fixed articulation of the low-floor vehicle comprises the steps of firstly assembling metal spherical plain bearing in the fixed articulation of the low-floor vehicle into a whole, connecting the integral metal spherical plain bearing with an upper fixed support of a vehicle body through first connecting pieces and connecting the integral metal spherical plain bearing with a lower fixed support of another vehicle body through second connecting pieces so as to connect the adjacent two vehicle bodies. The articulation method of the fixed articulation of the low-floor vehicle and the articulation device of the fixed articulation change a center pin structure connection method in the prior art, and can not only meet the running requirement of the low-floor vehicle, but also allow the articulation device of the whole fixed articulation to be simple and compact in structure, thereby decreasing the demand for installation space, reducing the difficulty of assembly and disassembly of the whole fixed articulation and reducing the difficulty of maintenance.

A sensor device for a shaft of a machine having a machine housing, the shaft having a shaft circumference and the machine housing having a sealed receiving bore. The sensor device includes a sensor for measuring motion parameters of the shaft and a stationary annular sensor housing that supports the sensor and encircles the shaft about the shaft circumference in a centered manner and at a distance. The sensor housing is retained in the receiving bore by a press fit or screw connection.

The invention relates to an electromagnetically actuable proportional flow valve for flow regulation in a fuel injection system, in particular in a common-rail injection system, comprising a valve housing (1) with at least one feed bore (2), upstream of which there is arranged a filter element or screen (3). According to the invention, an electric heating device is provided for heating the filter element or screen (3). The invention also relates to a method for operating an electromagnetically actuable proportional flow valve for flow regulation in a fuel injection system, in particular in a common-rail injection system.

A countershaft-type dual clutch transmission for a vehicle has two clutches having input sides connected to a driveshaft (AN) and output sides connected respectively to one of two transmission input shafts arranged coaxial to a mainshaft axis. A sub-transmission is associated in each instance with the transmission input shafts, at least two countershafts, a plurality of gear planes to which are assigned gear ratio steps, and at least one output shaft which can be connected to the sub-transmissions via an output gear plane. Only six gear planes with at least nine assigned gear ratio steps can be realized via only four double shift elements and at least one single shift element. Each countershaft can be coupled with four gear ratio steps via double shift elements, and one of the transmission input shafts can be coupled with a gear ratio step via a single shift element.

A high-performance screen wheel comprises a rim structure, a screen tread and pawls. The rim structure comprises a first rim, a second rim and a third rim which are coaxial; the second rim is arranged between the first rim and the third rim, radiuses of the first rim and the third rim are the same, the radius of the second rim is larger than that of the first rim and the third rim, and the three rims are connected and reinforced by reinforcing ribs. The screen tread is of a metal mesh structure covering the outer surface of the rim structure. The pawls are metal strips arranged on the screen tread and fixedly connected with the rim structure. The wheel is light and small, has simple structure and has low requirements for installation space and carrying capacity. When applied to a lunar rover, the light screen wheel has good trafficability on lunar soil of the soft lunar surface.

The invention relates to a channel machine, in particular to a cantilever telescopic channel machine for personnel to enter and leave a channel port. The cantilever telescopic channel machine comprises a main machine, and a controller in the main machine; one side of the main machine is fixedly connected with one side of a door body through a protrusion on the edge of the door body; the door body consists of a plurality of telescopic door leaves; and the dimensions of plurality of telescopic door leaves are decreased in turn from inside to outside. The cantilever telescopic channel machine can be directly mounted without transformation of buildings. The cantilever telescopic channel machine has low requirement on a mounting space, and can be mounted in a small space. The whole machine has a high running speed, can timely block and open a channel, can be integrally detached, and cannot be damaged; and according to different widths of channels, a single machine, double machines or a plurality of machines are combined for use.

The he invention discloses a sliding detection device and a detection method thereof, according to the technical scheme, the device comprises a base, a mounting plate, a PCB, an LED, a lens, a light sensor and an image analysis chip, wherein the PCB is detachably mounted on the base, the mounting plate is arranged on the PCB, the light sensor is mounted between the mounting plate and the PCB, theimage analysis chip is placed in the mounting plate and electrically connected with the light sensor, the LED is arranged in the mounting plate, the two ends of the lens are connected with the mounting plate and the base respectively and penetrate through the PCB, the LED is in contact with the lens, and the light sensor is located above the lens; according to the technical scheme, the sliding detection device is arranged in a mechanical arm, the mechanical arm controls the torque during grabbing of the mechanical arm, the requirement of the mounting space is reduced, and the sliding detectionequipment manufacturing cost is reduced.

The invention provides a side-rolling resistance torsion bar device without a fixing supporting seat. The device comprises a torsion rod assembly and two connecting rod assemblies. Joints connecting with the connecting rod assemblies are arranged on a torsion arm to allow the connecting assemblies to hinge to the torsion arm so as to eliminate a normally arranged fixing supporting seat of a traditional torsion rod assembly, so that the demands on the installing space of the torsion rod is greatly reduced, the number of spare parts is reduced, the weight of the side-rolling resistant torsion rod device is reduced, and the designing degree-of-freedom of a rail vehicle steering frame is improved. The invention further relates to the rail vehicle adopting the side-rolling resistant torsion rod device without the fixing supporting seat, the rail vehicle has the advantages that the space between the body and the steering frame is small and the ground plate is low, and the device is particularly suitable for urban rail vehicles.

The invention relates to the field of optical three-dimensional imaging, in particular to a non-digital optical machine sine stripe structured light high-precision three-dimensional measuring device. A structured light field projection device comprises N structured light projection modules, a light combination prism and a projection lens group; the structured light projection modules are sequentially started according to a preset time sequence to generate N sine stripe structured light fields; the light combination prism is used for performing light path conversion on the N sine stripe structure light fields and outputting the light fields to the projection lens group; the projection lens group is used for projecting the N sine stripe structured light fields to the same target to be measured; when the N sine stripe structure light fields are projected to the same target to be measured, the N sine stripe structure light fields have the same imaging position, and a 2pi/N space phase interval exists between the adjacent sine stripe structure light fields in the time sequence. With the structured light field projection device and a three-dimensional imaging system provided by the invention adopted, the three-dimensional data of a face target can be obtained at high speed and high precision.

The invention provides a built-in automatic thread trimming mechanism of a sewing machine. The built-in automatic thread trimming mechanism comprises a driving source and a sewing machine main shell. A sunken portion is arranged on the rear wall of the sewing machine main shell, and the driving source is arranged in the sunken portion; a telescopic shaft of the driving source is movably connected with a first lever, one end of the first lever is hinged to the sewing machine main shell, and the other end of the first lever is hinged to one end of a second connecting rod; the other end of the second connecting rod is hinged to one end of a second lever, and the other end of the second lever is perpendicularly fixed to a cutter shaft; the cutter shaft is rotatably supported in a cutter head, and the cutter head is fixed to the side, which is adjacent to a needle, of the sewing machine main shell; a movable cutter which is perpendicular to the cutter shaft is fixed to an end of the cutter shaft, is close to the front side wall of the sewing machine main shell and is opposite to a fixed cutter of the cutter head; a rear housing is fixed to the outer side of the sunken portion on the rear wall of the sewing machine main shell. The built-in automatic thread trimming mechanism has the advantages that various actuators of the built-in automatic thread trimming mechanism are mainly hinged to one another, accordingly, stable transmission effects can be realized, the built-in automatic thread trimming mechanism is low in noise, the driving source is short in stroke and small in size, the thread trimming mechanism can be arranged in the sewing machine main shell, and the integral sewing machine is attractive.

The invention discloses a marine redundancy auxiliary system which comprises a power station, and the power station is connected to a first direct-current bus through a working contactor and a high-speed fuse in sequence, and is successively connected with a daily auxiliary inverter, a sine-wave filter, a overcurrent protection circuit breaker , and an isolation transformer; an outlet of the isolation transformer is divided into two paths, one path is connected to a 380V busbar through a pre-magnetizing contactor, and the other path is connected to a 380V busbar through a working circuit breaker and a working contactor; the 380V busbar is connected with a 380V auxiliary load; the 380V busbar is connected with a 220V busbar through the overcurrent protection circuit breaker and a daily transformer, and the 220V busbar is connected with a 220V auxiliary load. The first direct-current bus is connected with a second direct-current bus through a bus section switch, and components the same as those on the first direct-current bus are arranged between the first direct-current bus and the 380V busbar. According to the marine redundancy auxiliary system, a redundant auxiliary power supply problem of a power storage battery power station is solved, and power loss of a whole ship is prevented; and the consistency of the total working time of two sets of auxiliary systems and sudden switching of the transformer are ensured.

The invention relates to an independent suspension front axle assembly for a commercial vehicle. The assembly comprises a front support assembly, a rear support assembly and two front independent suspension systems, wherein the front support assembly and the rear support assembly are arranged along the central axis of a frame in a front-back mode, and the two front independent suspension systems are arranged along the central axis of the frame in a bilaterally symmetrical mode; each front independent suspension system comprises a spiral spring, a torsion bar spring, a spiral spring mounting support, a torsion bar spring mounting support, a steering knuckle support, a steering knuckle, an upper swing arm and a lower swing arm, wherein the upper swing arm and the lower swing arm are connected with the front support assembly and the rear support assembly through four types of connecting bosses, and the front support assembly and the rear support assembly are each of a U-type structure composed of the left section, the middle section and the right section. Accordingly, the large bearing requirement can be met, the reliability is high, the stiffness is large, the guide effect is good, the occupied space is small, the cost is low, and the handling stability and driving smoothness of the whole vehicle are improved.