329results about How to "Low installation space requirement" patented technology

The invention discloses a comprehensive test stand for water-lubricated bearings for pumps. The comprehensive test stand comprises a driving transmission system, a main box, a bearing, a lubricating system, a loading system, a measuring system, a signal analyzing and processing system and the like, the driving transmission system consists of a variable-frequency motor, an elastic coupler, a step-up box and the like, the main box is a cube with a transparent top cover plate, and a spindle horizontally enters the box from a side wall, which is close to the end of the elastic coupler, of the main box. A pressure sensor, an eddy current sensor, a vibration acceleration sensor, a temperature sensor and the like are sequentially arranged and mounted on the spindle or around the spindle and used for acquiring displacement signals, rotation speed signals, phase signals, temperature signals, pressure signals, vibration signals and the like, and the sensed signals which are acquired by the various sensors in an online manner are transmitted to an upper computer to be processed, displayed and stored. The comprehensive test stand has the unique advantages of fine performance, high precision, low cost, environmental protection, zero pollution, friction reduction, energy conservation, noise and vibration reduction, fine fire resistance, easiness in maintenance and the like.

The invention discloses a device and a method for rehabilitation training. The device comprises a pelvis mechanism unit, a stand column support mechanism unit, a treadmill unit, and a control unit. The stand column support mechanism unit is fixed on the treadmill unit. The pelvis mechanism unit is connected with the stand column support mechanism unit and can move axially along the stand column support mechanism unit. The pelvis mechanism unit comprises a first four-rod mechanism formed by a base, a first connecting rod, a second connecting rod, and a connecting box, and a second four-rod mechanism formed by a third connecting rod, a fourth connecting rod, a first supporting arm, and a second supporting arm. The first four-rod mechanism and the second four-rod mechanism are movably connected. A method for connecting a pelvis of a patient through the pelvis mechanism provides a weight reduction function. The pelvis structure has multiple degrees of freedom, and can swing with natural swing of a pelvis when a patient walks. Weight reduction supports on a pelvis position prevent pendulum effect caused by an overhanging weight reduction method, so that a body can naturally swing when walking.

The invention discloses a locating and mounting method for H-shaped steel girder butting joints. The locating and mounting method specifically comprises the following steps: pre-assembling connection plates on two sides of a web plate of a steel girder I; hoisting and conveying the steel girder I to a steel girder II for butting; providing a locating and mounting device; mounting an adjustment mechanism; mounting a clamping mechanism; aligning bolt holes in the connection plates and the steel girder II; inserting high-strength bolts into the bolt holes in the connection plates and the web plates of the two steel girders to realize connection between the connection plates and the web plates of the two steel girders; removing the locating and mounting device, arranging a top plate on the surfaces of flanges of the steel girder I and the steel girder II, correspondingly forming bolt holes in the top plate and the flanges of the steel girder I and the steel girder II, and connecting the top plate to the steel girder I and the steel girder II through high-strength bolts. The locating and mounting method has the benefits that by the adoption of the adjustment structure and the clamping mechanism which are combined, the transverse staggering and the longitudinal staggering of the bolt holes in the connection plates and the web plates of the steel girders can be eliminated, so that the bolt holes can be quickly aligned to realize temporary fixing for butting of two H-shaped steel girder butting joints, and preparation can be made for the subsequent connection and mounting procedures.

The invention discloses a low-flow-resistant near-wall small-space annular shock wave focusing direct priming device which comprises a pulse detonation engine, an ignition system and feeding system. The pulse detonation engine comprises a main detonation chamber and a sealing cover, and an annular near-wall space passage is formed between the sealing cover and the main detonation chamber. The priming device has the advantages that the device is simple in structure, and the length of the pulse detonation engine is not increased; the high-temperature and high-pressure hot point generated by annular shock wave focusing is used as the ignition source of the main detonation chamber, the duration for transiting the pulse detonation engine from knock to detonation can be reduced effectively, and the flow resistance in the main detonation chamber is lowered; the annular near-wall space passage of the priming device is small and short, low in mounting space requirements, capable of generating high-intensity shock waves in a short distance and capable of effectively controlling the resistance loss of the pulse detonation engine, and the area of the annular near-wall space passage can be changed according to different detonation limits of different fuels.

The present invention relates to a battery system (100) that comprises at least one plurality of aligned battery cells (80) arranged in a first direction (y). Each of the battery cells (80) comprisesa vent hole (88). The battery system (100) further an extinguishing system (60) with a reservoir (61) for an extinguishing agent and at least one conduit means (62) for conducting the extinguishing agent, wherein the conduit means (62) is positioned such that it is hit by a vent-gas jet emitted by any of the vent holes (88) of the plurality of aligned battery cells (80) and wherein the at least one conduit means (62) is configured to be melted by the vent-gas jet. The invention further relates to a cooling circuit (70) for a battery system (100) comprising at least one plurality of aligned battery cells (80), each of the battery cells (80) comprising a vent hole (88). The cooling circuit (70) comprises a conduit means (72) configured for conducting an incombustible or flame-retardant coolant and an evaporator (71) that is in thermal contact with the a first plurality (91) of aligned battery cells (80) and that is configured for causing the coolant to absorb heat from the first plurality of aligned battery cells (80). The conduit means (72) is positioned such that it is hit by a vent-gas jet emitted by any of the vent holes (80) of the first plurality (91) of aligned battery cells (80) and is configured to be melted by the vent-gas jet.

The invention relates to the technical field of low-voltage power distribution equipment, in particular to a low-voltage power distribution cabinet with an internal rotary installation mechanism. Thelow-voltage power distribution cabinet comprises a main cabinet body having a cylindrical structure; and an operation port is formed in the front side of the main cabinet body. According to the low-voltage power distribution cabinet, a plurality of hollow-structure limiting plates are welded and fixed at an internal longitudinal rotating shaft; and the limiting plates at different positions form an accommodation chamber inside the main cabinet body. Connecting sliding pieces arranged at the upper surfaces and lower surfaces of switch mounting bases are inserted into insides of assembling portsto realize movable connection with the limiting plates. Control switches are installed at inner sides of the switch mounting bases to increase the switch mounting number of the distribution cabinet,so that the switch layout inside the distribution cabinet becomes reasonable. A cabinet door is arranged at the operation port at the outer side of the main cabinet body in a sliding connection manner, the requirement on the mounting space by the distribution cabinet is reduced substantially and the occupied external space is reduced.

The invention relates to a multifunctional household-based heat metering distribution management device and a metering method, the existing heat metering device has the defects such as large installation occupy space, large error, multiple user limitations and the like. The device comprises a water supply main pipe (1) and a backwater main pipe (2), wherein a group of user pipes (3) are connected in parallel between the water supply main pipe and the backwater main pipe, each user pipe (3) is connected with a radiator (4), the radiator (4) is connected with an intelligent valve (5), the intelligent valve is connected with indoor temperature setting metering equipment (13), a total heat meter (9) is installed on the backwater main pipe, a pressure measurement device is connected between the water supply main pipe and the backwater main pipe, the intelligent valve (5), and the total heat meter (9) and the pressure measurement device are all connected with a center controller (10). The device in the invention is used for household-based heat metering.

The invention discloses a universal caster with a brake device. The universal caster comprises a support component and a wheel component, the support component comprises a mounting support and a wheel support, the mounting support is rotatably mounted on the wheel support, the wheel component comprises a tire and a hub, a tire is mounted on the hub, and the hub is mounted on the wheel component. The universal caster further comprises a brake component, the brake component comprises a driving part, a rotating disk, a cam mechanism and a brake part, wherein the driving part is associated with the rotating disk to drive the rotating disk to move, and the rotating disk is associated with the brake part through the cam mechanism to drive the brake part to move, so that the brake part is switched between a first position and a second position. At the first position, the brake part is matched with the hub, so that the universal caster is in a brake state. At the second position, the brake part is disengaged with the hub, so that the universal caster is in a movable state. The universal caster is convenient to operate and low in mounting space requirement.

The invention provides aligning control system and method for end surfaces of double-layer fabrics of a sewing machine, and belongs to the technical field of the sewing machines. The aligning control system for the end surfaces of the double-layer fabrics of the sewing machine is characterized in that the sewing machine comprises a machine head, a sewing stand, two feeding mechanisms, a fabrics sensor and a microcontroller, wherein the fabrics sensing device is used for recognizing whether fabrics are conveyed to a pressing pin as well as recognizing the number of the layers of the fabrics conveyed to the pressing pin; the microcontroller is respectively connected with a signal output end of an infrared emitter or an infrared laser emitter and an infrared receiver, the control end of the pressing pin, and the control ends of the two feeding mechanisms; the microcontroller is used for comparing the received voltage with a voltage threshold stored after being corrected during presetting, recognizing whether the fabrics are conveyed to a pressing pin as well as recognizing the number of the layers of the fabrics conveyed to the pressing pin, and controlling the pressing pin to raise and lower down and turn on and off the two feeding mechanisms according to the comparing result. The system is compact in structure, and low in requirement on a mounting space, replaces manual aligning, and realizes a full-automatic sewing machine.

The automobile tail gas catalyzing unit includes an expanding section and a main carrier section. The expanding section is provided with porous spherical honeycomb board in the inlet plane fixed to the conic casing and tail gas tube and the spherical honeycomb board has dense flow channels with maximum angle to the axis being the expanding angle of the said section. The main carrier section consists of conic honeycomb sheets arranged discretely with flow channel direction perpendicular to the surface. The present invention may be used in gasoline engine catalyzing device and diesel engine catalyzing device and can homogenize tail gas flow rate, raise mass transfer rate, reduce the radius of the catalyzing device and reduce the harmful exhaust.

The invention discloses a double-motor coupling planetary traction transmission shaft bearing type deceleration electric hub, which comprises a hub, a planetary traction transmission shaft bearing type speed reducer arranged in a hub cavity, a first motor and a second motor. Any sequence combination of a sun gear, a planet carrier and an outer ring in the planetary traction transmission shaft bearing type speed reducer respectively corresponds to a power input end, a power output end and an intermediate transmission part in the planetary traction transmission shaft bearing type speed reducer,the first motor is used for driving the power input end to provide power and driving the hub to rotate through the power output end, and the second motor is used for driving the intermediate transmission part for speed coupling. According to the planetary traction transmission shaft bearing type speed reducer, the cooperation of the two motors is realized through the planetary traction transmission shaft bearing type speed reducer, so that each motor can always work in a high-efficiency working range, the working efficiency of the hub is improved, and the purposes of saving energy and prolonging endurance mileage are achieved.

The invention relates to a back projection system applied to a device with a transparent desktop. The back projection system comprises a projector, a control main machine, a reflection mirror and a back projection film, the control main machine is connected with the projector, the back projection film is arranged at the back surface of the transparent desktop, the reflection mirror is arranged below the back projection film, a projection opening of the projector faces to the reflection mirror, and images projected by the projector are reflected to the back projection film through the reflection mirror. Through the back projection system of the structure, the frames projected by the projector are reflected to the back projection film through the reflection mirror, thus a reflection mirror needs to be arranged below the transparent desktop only so as to effectively reduce requirements of a display on an installation space and the cost of a household touch induction interaction system, and also ensure that display effect is clear, a display size can be freely regulated, energy is saved, environment is protected and an application range is wider.

The invention relates to the technical field of extruding machines, in particular to a high-efficiency and stable full-automatic plunger type PTFE strip extruder. The high-efficiency and stable full-automatic plunger type PTFE strip extruder comprises a rack, a material bin, an automatic weighing and feeding mechanism, a pre-pressing and blank-forming device and a long-strip extruding mechanism, wherein the pre-pressing and blank-forming device comprises a circulation conveying mechanism, a material injecting cylinder and a pre-pressing driving system; the high-efficiency and stable full-automatic plunger type PTFE strip extruder further comprises a first detection element arranged at the pre-pressing and blank-forming device and a second detection element arranged at the long-strip extrusion mechanism; and the high-efficiency and stable full-automatic plunger type PTFE strip extruder further comprises a controller which saves manpower consumption, reduces the influence of manual operation on the PTFE fiber finished product, improves the quality of the PTFE long fiber product, is small in occupied area and simple to operate, achieves integration, greatly improves the production efficiency, greatly improves the stability, and greatly improves the production processing efficiency.

The invention provides a three-phase direct-current brushless deep-water motor, comprising a motor housing composed of a front shroud, a back shroud and a housing, wherein a main shaft is installed on the front shroud and the back shroud via a bearing, magnetic steel rotor disks and coil stator disks are installed inside the motor housing, a water inlet and a water outlet are installed on the housing, the magnetic steel rotor disks are fixedly installed on the main shaft, the coil stator disks are fixed on the motor housing, and the magnetic steel rotor disks and the coil stator disks are in alternative arrangement. The three-phase direct-current brushless deep-water motor in the invention has simple structure, easy processing and low cost, and the biggest feature is that a waterproof housing does not be needed. The internal structure of the motor and the structure of the existing submersible motor are completely different. The invention can be applied to small submarine, submarine mine, diving pusher and other deepwater machines.