13results about How to "Reduce model" patented technology

The utility model discloses a bidirectional power output curtain driver and an electric curtain, the driver comprises a driver shell, a driving motor arranged in the driver shell and a power gear connected with the driving motor, and further comprises a transmission mechanism used for being matched with the power gear; the first output gear and the second output gear are driven by the transmission mechanism, and one of the first output gear and the second output gear is selected to be connected with a curtain in a matched mode. The electric curtain uses the driver. The curtain driver provided by the utility model is adaptive to transmission cases of different models through the same curtain driver structure, thereby facilitating the reduction of the models of the transmission cases and effectively reducing the research and development cost of manufacturers.

This invention relates to the field of traffic information engineering and control technology, and is a parallel dual-master redundancy switching system for track electronic actuators and its implementation method. The system includes a Series I track electronic actuator, a Series II track electronic actuator, and a wiring backplane. Both Series I and Series II track electronic actuators are plugged into the wiring backplane. By setting up a parallel dual-master redundancy switching system for Series I and Series II track electronic actuators, the track status information collected by both systems is the same when the two systems collect current, ensuring consistency. Moreover, the parallel dual-master redundancy switching system has the same matching impedance and consistent acquisition circuit parameters under different operating states such as dual-system and single-system (except when both systems are faulty), eliminating the problem of asynchronous states between the two systems after impedance matching, and reducing the influencing factors on the acquisition of track section status.

The utility model relates to the technical field of industrial automation equipment manufacturing, in particular to an output end reinforcing device for a speed reducer, which can remarkably improve the strength of the output end of the speed reducer and reduce faults caused by breakage of the root of an output shaft of the speed reducer, and is characterized in that a flange is arranged at the output end of the speed reducer, and a cylindrical roller bearing is arranged in the flange; the output shaft of the speed reducer is matched with the cylindrical roller bearing, compared with the prior art, the type of the speed reducer can be reduced, the cost can be reduced, radial force is borne by the front end bearing during operation of the speed reducer and cannot be transmitted to the root of the output shaft, the problem of root breakage is fundamentally solved, and the safety coefficient of equipment is improved; in addition, a backlash adjusting function is also compatible.

The utility model provides an injection molding machine safety door safety device which comprises a cylinder, the cylinder comprises a piston rod and a piston, and the piston rod stretches out and draws back to prevent a safety door from being closed or separated from the safety door. When the safety door is closed, the piston rod abuts against the safety door under the elastic action of the spring, and the piston is located in the middle of the air cylinder body. When the safety door is opened, the piston rod extends out under the driving action of the spring to stop the safety door from being closed. Due to the position arrangement of the piston, the enough extending distance of the piston rod is provided, and when the safety door is closed, the spring is in a compressed state; when the safety door is opened, the piston rod stably extends out under the action of the elastic force of the spring; when the safety door is in the abnormal closing motion state, the piston rod is in the extending state, the position is stable, closing of the safety door can be stopped, and therefore potential safety hazards caused by mistaken closing of the safety door are eliminated; in addition, compared with a traditional electromagnetic locking device, the cost is lower due to the arrangement of the air cylinder.

The invention relates to the technical field of medical rehabilitation, and discloses a three-degree-of-freedom wearable upper limb rehabilitation exoskeleton mechanism which comprises a shoulder joint mechanism and an elbow joint mechanism, the two ends of the shoulder joint mechanism are connected with the shoulder and the upper arm of the human body respectively, and the shoulder joint mechanism is used for driving the upper arm of the human body to do forward flexion, backward extension, abduction and adduction movement; the two ends of the elbow joint mechanism are connected with the upper human arm and the front human arm correspondingly, and the elbow joint mechanism is used for driving the front human arm to bend forwards and stretch backwards. Therefore, forward flexion, backward extension, abduction and adduction motions of the upper arm of the human body are achieved through the shoulder joint mechanism, forward flexion and backward extension of the front arm of the human body are achieved through the elbow joint mechanism, then by combining motions of the upper arm of the human body and the front arm of the human body, the hand can move to the designated position, the motion relation is simple and easy to achieve, and needed drive is small. The movement is more accurate; the number of components is small, so that the weight of the exoskeleton device of the mechanism is light; meanwhile, the wearing is convenient.

The invention discloses a method and device for improving energy efficiency and power supply capacity of an automobile generator. The method comprises the following steps that a preset temperature value, a preset current value and a preset state value are set; collecting an actual temperature value and an actual current value of the automobile generator; respectively comparing the actual temperature value and the actual current value with a preset temperature value and a preset current value to obtain a first output state and a second output state, and combining the first output state and the second output state to obtain an actual output state of the automobile generator; and judging which preset state value the obtained actual output state accords with, and controlling the automobile generator to be in different working modes according to a judgment result. The technical problem that the energy efficiency and the power supply capacity are low due to the fact that the adjusting range of the output power of an existing automobile generator is limited can be solved.

The present application discloses a check valve with a clutch device and a permanent magnet roller having the same, wherein the check valve with a clutch device comprises: a housing connected to a rotating component; an inner ring disposed in the housing and fixed; an outer ring disposed between the inner ring and the housing; a torque transmission assembly disposed between the housing and the outer ring for realizing one-way rotation of the housing relative to the outer ring; a clutch device disposed between the inner ring and the outer ring for controlling the combination or separation of the outer ring and the inner ring to realize free rotation of the outer ring relative to the inner ring or transmission of torque. The permanent magnet roller comprises the check valve with a clutch device as described above. The advantages of the present application are: the inner ring of the check valve with a clutch device of the present application is fixed, and the outer ring rotates, which is exactly the opposite of the existing check valve structure, and solves the limitation that the traditional check valve can only rotate in one direction; at the same time, it solves the problem that the permanent magnet roller needs to be reversed when starting.

The utility model provides a kind of forearm trainer.The forearm trainer includes connecting pipe, winding tape and detachable handle pipe of being sleeved in the both ends of connecting pipe, multiple adjusting holes are arranged on the connecting pipe along the axial direction, the both ends of handle pipe are through, one end of handle pipe is equipped with jack, and the adjusting hole in jack is aligned and fixed by positioning pin after passing.The utility model detachably sleeves handle pipe in the both ends of connecting pipe, can realize the adjustable spacing between two hands, i.e. Realize adjustable handle length, can be suitable for fitness needs of different people, reduce forearm trainer model, improve versatility.

The application discloses an extensible optical transmission device based on photoelectric fusion and relates to the technical field of optical transmission, which comprises a customer interface unit, a cell exchange unit, a line interface unit, a wavelength cross-connect unit, a fiber cross-connect unit, a line transmission unit and an SDN control unit, the customer interface unit is used for accessing, aggregating and packaging customer signals, the cell exchange unit is used for exchanging cells between customer-side signals and line-side signals, the line interface unit is used for receiving signals sent by the cell exchange unit to the line side, converting the signals into specific wavelengths and then sending the signals, and receiving signals from the line side, processing the signals and then sending the signals to the cell exchange unit. The application enables the functional units of the device to be placed discretely, and provides the possibility of flexibly building the scale and functions of the device according to scene requirements.

The invention discloses a three-dimensional model putting method and device, equipment and a storage medium, and relates to the technical field of augmented reality. The method comprises the following steps: receiving real-time user voice data and scene image data of a current environment uploaded by a mobile device with an augmented reality function; generating an initial three-dimensional model based on the real-time user voice data; performing plane detection on the scene image data to obtain a delivery reference surface; performing parameter correction on the initial three-dimensional model based on spatial features of the scene image data to obtain a target three-dimensional model matched with the current environment; and sending the target three-dimensional model and the putting reference surface to the mobile equipment, so that the mobile equipment puts the target three-dimensional model on the putting reference surface. By means of the technical scheme, the accuracy and efficiency of three-dimensional model modeling and putting can be effectively improved, and then the user experience is optimized.

The utility model discloses a tail gas centralized purification device for a diesel engine test bed. The tail gas centralized purification device comprises a gas collection pipeline, an electric heating diesel particulate filter, an atomized water filter device, a tail gas bypass system and a control system. Tail gas of the multiple engines is collected in a centralized mode through the gas collecting pipeline, purified through the electric heating diesel particulate filter and the atomization water filtering device in sequence and then exhausted through the exhaust funnel. Particulate matters and sulfides in the tail gas are respectively removed by the electric heating diesel particulate filter and the atomized water filtering device. The tail gas bypass system can reduce the resistance of the purification device under special working conditions such as regeneration. The control system automatically adjusts regeneration of the electric heating diesel particulate filter, pollution discharge and liquid supplement of the atomized water filter device and the like. The device achieves centralized purification and modular design, is high in automation degree, and can remarkably improve the tail gas purification efficiency of multiple diesel engine test beds.

This invention relates to an ablation system, specifically to the field of ablation technology. The ablation system of this invention includes a cryoablation needle, which comprises an ablation needle body. The ablation needle body includes an inlet / outlet assembly. Through a moving mechanism or a matching cannula, the length of the ablation zone can be changed, allowing the same ablation needle body to accommodate ablation zones of various sizes. Therefore, the appropriate ablation zone size can be selected according to the size of the lesion. Thus, the cryoablation needle of this invention enables freezing and rewarming operations for lesions of various sizes, thereby reducing the number and types of cryoablation needles required and achieving cost reduction.

The present invention relates to a surgical instrument, belonging to the technical field of medical instruments. The surgical instrument comprises: a handle assembly, comprising a gripping shell capable of realizing a gripping function and a motor arranged in the gripping shell; a working head assembly, comprising a docking shell detachably connected to the gripping shell and a tool mounted on the docking shell, the tool comprising an interface assembly mounted on the docking shell, an outer tube and an inner tube mounted on the interface assembly, the inner tube being located inside the outer tube, the inner tube being parallel to the outer tube and being coaxially arranged; a liquid reflux chamber is formed in the docking shell, and a through hole for connecting the inner tube and the liquid reflux chamber is provided on the interface assembly; the liquid inside the human body is sucked into the through hole along the inner tube, and is sucked into the liquid reflux chamber through the through hole; wherein, there are at least two working head assemblies, one of which is selectively mounted on the handle assembly, and the models and / or sizes of the tools of at least two working head assemblies are different.