25results about How to "Reduce radial size" patented technology

The utility model discloses an integrated joint module and robot relates to motor technical field, and the integrated joint module includes: casing, motor, planetary gear reduction box, encoder and drive control board, the casing is the tubular structure, the motor is used to provide power, and the motor includes stator, rotor and rotation axis, and the stator is hoisted in the top inside casing, and the rotor rotatably sets up inside casing, and is located stator outside, and rotation axis is connected with the rotor, and its outer periphery is provided with the tooth, the planetary gear reduction box sets up in stator inside, and including fixedly installed inside stator's inner tooth ring, the planetary wheel that engages in the inner tooth ring with rotation axis between and the planetary wheel connection's planet carrier, the encoder includes the first encoder for monitoring rotation axis and the second encoder for monitoring planet carrier, and drive control board is located in casing, and is connected with motor. Such setting, can reduce the size of joint structure, realizes double magnetic encoder output configuration simultaneously, improves its output accuracy.

This invention discloses a coaxial dual-cavity optical detection system, relating to the field of gas detection, which solves the problems of poor portability and low laser utilization in existing equipment. The system includes an air inlet, two coaxially arranged cavities with the inner cavity located inside the outer cavity, a vent, an outlet, a plano-concave mirror, and symmetrical window mirrors. The two cavities are interconnected through the vent, allowing for gas filling and exhaust with a single gas path. Coaxial parallel plano-concave mirrors are installed within the cavities, working in conjunction with an external reflector, convex lens, and detector to guide refracted light incident on the inner cavity into the outer cavity for utilization, forming a closed loop in the optical path of the two cavities. This system significantly reduces longitudinal and lateral dimensions, improving portability; simultaneous dual-cavity detection improves detection accuracy; the utilization of refracted light enhances laser utilization and sensing efficiency; and the increased effective optical path within a limited volume improves gas detection sensitivity, making it suitable for trace gas detection.

This application relates to the field of machining technology, and discloses an ultrasonic tool holder, ultrasonic machining equipment, and machine tool. The ultrasonic tool holder includes: a tool body and a connecting sleeve. The tool body has a second end and a first end arranged opposite to each other in a front-rear direction. The first end is adapted to be connected and fitted with a spindle, and the second end has a mounting cavity for accommodating a transducer. A wireless receiving unit is provided on the outer periphery of the tool body. The connecting sleeve is connected to the second end and arranged coaxially with the tool body. An outer shell is fitted onto the outer periphery of the connecting sleeve through a bearing, wherein the inner diameter of the bearing is less than or equal to the outer diameter of the second end. Therefore, by placing the bearing between the connecting sleeve and the outer shell, the bearing does not occupy the outer periphery space of the tool body, which reduces the axial dimension of the tool body, thereby improving the rigidity of the tool body and reducing the overall axial dimension of the ultrasonic tool holder. It also increases the structural dimensions of the transducer and reduces the radial dimension of the bearing, thereby improving ultrasonic machining performance.

The utility model discloses a novel rotary pipeline robot structure relates to robot technical field, including initiative knot, the initiative knot is provided with battery knot and control knot, the initiative knot, battery knot and control knot are connected through the connector between, initiative knot: contain initiative knot mounting bracket, first locking screw, initiative wheel frame, initiative wheel, initiative knot shell, second locking screw, rear initiative wheel frame, rear initiative wheel, third locking screw and double -output shaft drive motor, the surface of initiative knot mounting bracket is sleeved with initiative knot shell, the left and right two ends of initiative knot shell are fixed in the left and right two ends of initiative knot mounting bracket surface through the second locking screw of uniform distribution, the inside installation of mounting bracket has double -output shaft drive motor, the left and right sides of initiative knot mounting bracket inside are provided with initiative wheel frame and rear initiative wheel frame respectively, simple and reliable structure, and the two functions of equipment walking and shock attenuation are realized simultaneously to all -in -one wheel frame.

The utility model belongs to the technical field of automobile shock absorber, specifically relates to a linear motor shock absorber, which comprises an electromagnetic coil, a permanent magnet, a core shaft and a sleeve outside the electromagnetic coil, one of the electromagnetic coil and the permanent magnet is connected on the outer side wall of the core shaft, and the other is arranged on the inner side wall of the sleeve, further comprises a displacement sensor, the upper end of the sleeve is equipped with a guide sleeve, the lower end of the sleeve is equipped with a lower limit plate, the core shaft is located inside the guide sleeve and protrudes upwards, a first sliding bearing and a sealing ring located on the top surface of the first sliding bearing are arranged between the core shaft and the guide sleeve, the first sliding bearing and the sealing ring are fixedly arranged on the inner side wall of the guide sleeve, and the first sliding bearing and the sealing ring are in sealed contact with the outer side wall of the core shaft and axially slide. The electromagnetic coil and the permanent magnet are always located in the sleeve, the sealing ring and the core shaft are matched to seal the through hole on the guide sleeve, impurities are prevented from entering the sleeve to damage the electromagnetic coil and the permanent magnet, and the working reliability of the linear motor shock absorber is improved.

The present application relates to a kind of small DMS optical lens, and the optical system of lens is sequentially arranged by first lens, second lens, third lens and fourth lens from left to right along the light path of light incidence, first lens is meniscus positive lens, second lens is meniscus positive lens, third lens is meniscus positive lens, and fourth lens is meniscus negative lens, first lens is glass aspheric lens, second lens, third lens and fourth lens are plastic aspheric lens.The present application adopts four optical lenses, and the optical system is formed by one glass aspheric lens and three plastic aspheric lenses, while meeting the imaging performance requirements of lens, the total length of lens and the radial dimension of each lens are reduced, to achieve the miniaturization of lens group;In addition, a glass aspheric lens is arranged in the first to fourth lens of lens, which can further improve the overall image quality of lens, control temperature drift and improve the influence of high temperature or low temperature on the image quality of lens.

The utility model relates to an inflation pump control box, including box body and a plurality of set up in the inflation pipeline subassembly of box body, and the inflation pipeline subassembly includes air pump, main gas pipe, a plurality of branch gas pipe, silencer and a plurality of air pressure sensor, and air pump is installed in the box body through mounting seat, and main gas pipe is connected with air pump and communicates, and a plurality of branch gas pipe and silencer are installed in the box body through vertical board, and are connected with main gas pipe through air valve door and communicate, and the side of each branch gas pipe away from main gas pipe is installed on the box body through quick detach three ways and is connected with the outside of box body and communicates, and a plurality of air pressure sensor correspond with branch gas pipe, and each air pressure sensor is connected on quick detach three ways of corresponding branch gas pipe through connecting pipe, and communicates with corresponding branch gas pipe through connecting pipe, quick detach three ways, the utility model discloses inflation pump control box is small, can monitor gas pipe pressure.

The utility model discloses a low -power consumption winch sensor based on tunnel magnetoresistance effect, including measurement module, signal conversion unit, casing, mandrel, magnetism carousel and detection component, magnetism carousel is connected with mandrel and synchronous rotation, and detection component includes TMR sensing element and N magnet, and magnetism carousel is equipped for embedding the mounting blind hole of magnet, TMR sensing element is located on the casing, including mounting panel and two sensing units, and the magnetic domain direction of two sensing units is perpendicular to the axis of rotation, and its reluctance signal is converted and is inputted measurement module through signal conversion unit, and the horizontal distance of the center of two sensing units and magnet to the axis of rotation is all R, and the center distance of two sensing units L < R * sin (180 DEG / N), this sensor is based on TMR tunnel magnetoresistance effect, and the detection sensitivity is high, and the energy consumption is low, and its output has the square wave signal of phase difference, can supply measurement module accurate analysis and calculate winch drum speed and steering, and its overall structure is simple, and the radial dimension is small, and is easy to install and control installation accuracy.

This invention provides a planetary gear system and a vehicle, relating to the field of vehicle technology. The planetary gear system includes a drive unit, a first planetary gear set, a second planetary gear set, a first driveshaft, and a second driveshaft. In the first planetary gear set, one of the first sun gear, the second sun gear, and the first planet carrier constitutes a first input terminal, and the other two constitute first output terminals. In the second planetary gear set, one of the third sun gear, the fourth sun gear, and the second planet carrier constitutes a second input terminal, and the other two constitute second output terminals. The first input terminal is driven by the drive unit, the two first output terminals are driven by the first driveshaft and the second input terminal, respectively, and one of the two second output terminals is driven by the second driveshaft, while the other is connected to a stationary component of the planetary gear system. Thus, by using two tandem WW planetary gear sets to achieve an integrated differential reduction design, the power system structure becomes more compact and occupies less space.

The utility model relates to a kind of handlebar turning device and vehicle, the handlebar turning device includes: support, rotor, first elastic member and second elastic member, the rotor is worn in the support, the rotor can be relative support positive rotation and reverse rotation, the rotor with the support between defined accommodate space, the first elastic member and the second elastic member along the axial spacing arrangement of the rotor in the accommodate space;After the rotor relative support positive rotation, the first elastic member can reset the rotor to initial position, after the rotor relative support reverse rotation, the second elastic member can reset the rotor to initial position.The handlebar turning device of the utility model is favorable for reducing its radial dimension, and the parts in handlebar turning device are not easy to interfere when assembling, and it is favorable for improving assembly efficiency and reliability after assembly.

A kind of water seal type deodorization device for vertical pipeline, long baffle, first short baffle and second short baffle are arranged in the inside of circular tubular body, the upper end of long baffle is flush with the upper end of first short baffle, the lower end is flush with the lower end of second short baffle, the height dimension of first short baffle and second short baffle is greater than the height dimension of long baffle, the lateral side of three baffle is sealingly fixed in the side wall of the hole of circular tubular body, and the hole of circular tubular body is formed into three spaces along the circumference direction, upper cover plate and lower cover plate are respectively sealingly covered in the two ends of circular tubular body, the small arc surface notch enclosed by long baffle, first short baffle and the upper end edge of circular tubular body is water inlet, the small arc surface notch enclosed by long baffle, second short baffle and the lower end edge of circular tubular body is water outlet, water flows into from water inlet, and flows out from the water outlet of lower end, the height difference between the lower end edge of first short baffle and the upper end edge of second short baffle is water seal height, it can effectively prevent odor return.

The utility model discloses a coaxial electric drive axle of big reduction ratio and vehicle, including motor, reduction mechanism and differential, reduction mechanism at least includes sun gear, planetary gear assembly, support ring gear and output ring gear, and differential includes rotator and two drive shafts, and planetary gear assembly includes planet carrier and with coaxial connection's first planetary gear and second planetary gear, and the rotor axle of motor is connected sun gear, and sun gear connects first planetary gear and / or second planetary gear, and first planetary gear and support ring gear are engaged, and second planetary gear and output ring gear are engaged, and output ring gear connects rotator, and one drive shaft of differential is arranged in the axle of rotor axle and sun gear's axle center, to guarantee the torque of motor output deceleration, increase the twist after transmission to rotator through reduction mechanism, and then guarantee the torque distribution to two drive shafts, and such can realize big reduction ratio, and the whole radial dimension is small, and cost is low and occupies small space.

This application relates to the field of compressor technology and discloses a centrifugal compressor, comprising: an outer casing having at least one inlet duct and at least one exhaust duct, the inner wall of the outer casing being provided with an exhaust volute; an inner casing assembly installed inside the outer casing, the outer wall of the inner casing assembly and the volute wall defining an exhaust volute chamber, the exhaust volute chamber communicating with the exhaust duct; an end cap installed at the end of the outer casing, the end cap fitting against the end of the inner casing assembly and defining an inlet volute chamber, the inlet volute chamber communicating with the inlet duct; a rotor assembly installed inside the inner casing assembly and capable of rotation, the rotor assembly compressing gas when rotating; a plurality of partitions installed between the inner casing assembly and the rotor assembly, the plurality of partitions and the inner wall of the inner casing assembly defining an airflow channel, the airflow channel communicating with the inlet volute chamber and the exhaust volute chamber; airflow flowing into the inlet volute chamber from the inlet duct, and flowing into the exhaust volute chamber through the airflow channel and then discharged from the exhaust duct.

This utility model discloses a vehicle-mounted electric well-working rig winch motor transmission device, belonging to the technical field of well-working rig winch motors. It solves the problem of large space occupation in the transmission system of existing vehicle-mounted well-working rig winch motors. It includes a hollow shaft motor, with a drum-shaped gear coupling installed inside the hollow shaft. One end of the drum-shaped gear coupling is fixedly connected to one end of the hollow shaft, and the other end is fixedly connected to the winch input shaft. A connecting key for insertion into the winch input shaft is provided on the connection end of the drum-shaped gear coupling and the winch input shaft. This utility model, by incorporating a drum-shaped gear coupling within the hollow shaft motor, eliminates intermediate structures such as a gearbox and tensioning device, significantly reducing the size of the transmission device, meeting the space constraints of the vehicle-mounted platform, and eliminating redundant components such as the protective cover, thus reducing the failure rate and maintenance costs.

The application provides a reversing air-operated direct-drive through-shaft power take-off, which is used for solving the problems of complex structure, large overall size and numerous parts of the current air-operated power take-off. The application comprises a power take-off shell, an input shaft, an output shaft and a shift fork shaft and a driving module arranged in the power take-off shell. The front end of the input shaft is connected with an external power device through the power take-off shell, the rear end of the input shaft is located in the power take-off shell and connected with the power take-off shell through a first bearing. A blind hole is arranged in the end face of the input shaft, the front end of the output shaft is arranged in the blind hole through a third bearing. The end of the output shaft passes through the power take-off shell. The output shaft and the input shaft are coaxially arranged. The front end of the output shaft is sleeved with a sliding sleeve, the outer side of the sliding sleeve is provided with a guide block, one end of the shift fork shaft is connected with the guide block through a connecting rod, the driving end of the driving module is connected with the other end of the shift fork shaft. The rear section of the output shaft is arranged on the power take-off shell through a second bearing.

The application provides an ECVT hybrid system and control method for a multipurpose tractor, characterized by comprising an engine, a torsional damper, a pump system, a front planetary gear system, a rear planetary gear system, a PTO output shaft, a first motor, a second motor and a gearbox gear train, the engine is connected with the pump system, the PTO output shaft and a front planetary gear outer ring in sequence through the torsional damper, and the first motor is coaxially connected with a sun gear of the front planetary gear system. The gearbox gear train and the motor gearbox gear train can be combined into four working gears to improve the adaptability, the front planetary carrier output shaft and the rear planetary carrier output shaft are both hollow shafts, the PTO passes through the middle of the hollow shafts, the radial size of the power system is reduced, and the integration degree of the power system is improved.

The application discloses a double-blade shutter structure and an infrared lens. The double-blade shutter structure comprises a shell, a light hole is arranged in the center of the shell, two blades are rotationally arranged in the shell and are distributed on the periphery of the light hole, each blade extends along the circumference of the light hole, the two blades are gathered towards the light hole or dispersed towards the side of the periphery of the light hole to open or close the light hole, a swing shaft is connected with the blades one by one, one end of the swing shaft is rotationally arranged in the shell, the swing shaft swings in a preset angle range, a connecting rod is transmissionally connected with the corresponding blade and the swing shaft, one end of the connecting rod is rotationally arranged in the shell, the other end of the connecting rod is movably connected with the end of the swing shaft away from the swing axis, and the middle part of the connecting rod is movably connected with the blade. The application reduces the required rotation space of each blade through the double-blade structure, utilizes the connecting rod as a transmission part, reduces the rotation range of the swing shaft when driving the blade to rotate, and thus improves the compactness of the shutter structure.

The application discloses a single-core connector and relates to the technical field of connecting devices, which comprises a male connector and a female connector. The male connector is provided with a male pin. The female connector is internally provided with a sealing assembly, a piston, a reset member, a conductive member and first and second capsules. A first oil cavity is arranged in an installation cylinder assembly. The piston is in sealing cooperation with the sealing assembly. The first and second capsules are arranged outside the installation cylinder assembly. A second oil cavity is formed between the first capsule and the installation cylinder assembly. A third oil cavity is formed between the second capsule and the installation cylinder assembly. A fourth oil cavity is formed between the second capsule and the inner wall of the female connector. The first oil cavity is in communication with the third oil cavity. The second oil cavity is in communication with the fourth oil cavity. When the male pin is inserted into the female connector, the piston is pushed by the male pin and kept sealed. The discharged oil drives the second capsule to deform through the third oil cavity, and then the oil in the fourth oil cavity is squeezed to drive the first capsule to deform, so that the volume is compensated by the two capsules. Through the cascade cooperation of the two capsules, the radial size of the single body is effectively reduced, and the connection lag problem is solved.

The application relates to a lens driving mechanism, a camera module and electronic equipment, which comprises a shell assembly, a first moving frame in the shell assembly is driven to move relative to the shell assembly in a first direction perpendicular to an optical axis by a first driver; a second moving frame on the first moving frame is driven to move relative to the first moving frame in a second direction perpendicular to the optical axis by a second driver; and a carrier on the second moving frame is driven to move along the optical axis by a third driver. The application has the advantages of greatly compressing the optical axis axial thickness of the driving mechanism and reducing the manufacturing difficulty and cost.

To address the limitations of existing pulse detonation combustors using detonation jet ignition, which require long jet tubes and thus restrict the increase of their operating frequency, and the dependence of stable operation of pulse detonation turbine engines on the performance and reliability of the igniter, this invention proposes a pulse detonation combustor based on rotating detonation wave ignition. This invention utilizes the relatively high frequency of rotating detonation combustion and the requirement for only a single ignition. The rotating detonation wave generated by the rotating detonation chamber serves as a continuous high-energy ignition source, igniting the explosive mixture within the detonation jet channel. This creates a high-energy detonation jet at the channel's exit, which then flows into the pulse detonation tube and ignites the explosive mixture within. This invention, while maintaining the excellent initiation performance of the detonation jet ignition method, overcomes the adverse effects of long jet tubes and high-frequency ignition on the efficient and stable operation of pulse detonation turbine engines.

The application provides an air flow generating device, which comprises a main shell and an air outlet shell in a split design, the main shell is provided with an air inlet, the air outlet shell is provided with an air outlet, the main shell and the air outlet shell jointly form a containing cavity containing a motor assembly, the radial dimension of the air outlet shell gradually shrinks from the second end to the first end to form a funnel-shaped air collecting chamber inside the air outlet shell, the motor assembly comprises a motor rotating around a motor axis and a fan, when the motor rotates, external air flow enters the main shell through the air inlet, and is discharged from the air outlet after passing through the air collecting chamber, and users can install air nozzles with different air outlet diameters on the air outlet shell according to different work scenes, so that the air flow generating device works in a first mode of providing large air flow or a second mode of providing high air speed, and the air outlet performance is improved; meanwhile, the whole machine is small in size, and is convenient to store and carry.

The application relates to an endoscope integrated with a cutting device, which comprises an operating part, a mirror tube, a head end and the cutting device. The mirror tube is provided with a guide groove, and a connecting part of the cutting device is slidingly arranged in the guide groove. The endoscope further comprises a transmission part, a distal end of which is connected to an imaging element; the body of the head end has a receiving cavity, and the imaging element is rotatably arranged in the receiving cavity around a first rotating shaft; the transmission part drives the imaging element to rotate when the transmission part moves; a proximal end of the transmission part is connected to a driving part of the cutting device, so that the driving part drives the cutting part to simultaneously drive the transmission part to adjust the angle of the imaging element, and the angle of the imaging element is matched with the position of the cutting part. An illuminating element arranged in the receiving cavity can also be rotatably arranged. The driving part of the cutting device can be a handle or a knob or a micro motor provided with a transmission mechanism. The linkage of the cutting device and the imaging element or the illuminating element can realize better visual feedback in surgery.

The utility model relates to the technical field of hydraulic compressors, in particular to a hydraulic compressor high-pressure air cylinder beneficial to heat dissipation. The cylinder barrel comprises an inner-layer thin-wall cylinder barrel and an outer-layer thin-wall cylinder barrel, the inner-layer thin-wall cylinder barrel and the outer-layer thin-wall cylinder barrel are connected in an interference fit mode, a guide ring and a plurality of piston spring seals are arranged between the air piston and the inner-layer thin-wall cylinder barrel, openings of the piston spring seals face the high-pressure side, and an end cover spring seal is arranged between the front end cover and the inner-layer thin-wall cylinder barrel. An opening of the end cover spring seal faces one side of the air piston, a plurality of annular flow guide plates are arranged in the water jacket and located between the water jacket and the outer-layer thin-wall cylinder barrel to form a partition, water passing holes are formed in the flow guide plates, and the water passing holes of the adjacent flow guide plates are arranged in an up-down staggered mode. The stress generated by the interference fit not only can improve the capability of resisting external force, but also is beneficial to heat dissipation, so that heat can be conducted away by cooling water on the periphery of the cylinder barrel as soon as possible, the indicating work in the compression process is reduced, and the radial size of the whole air cylinder can be saved.

This utility model discloses an underwater instrument with a light window and an underwater light window cleaning device. The cleaning device includes a drive motor, a transmission assembly, and a cleaning assembly. The transmission assembly includes an inner magnetic pole assembly and an outer magnetic pole assembly. The cleaning assembly is mounted on the outer magnetic pole assembly. The underwater light window cleaning device includes a sealed chamber formed by a cabin, an end cap, and an isolation sleeve. The isolation sleeve is installed at one end of the cabin. The drive motor is located inside the cabin, and the inner magnetic pole assembly is located inside the isolation sleeve. The output shaft of the drive motor is fixedly connected to the inner magnetic pole assembly, and the inner magnetic pole assembly is rotatably connected to the isolation sleeve. The outer magnetic pole assembly is rotatably connected to the isolation sleeve. By encapsulating the motor in a dry-sealed chamber and using magnetic coupling, the non-contact transmission of the motor's output power is achieved. This effectively isolates the influence of seawater pressure and the medium on the output power source. The static seal achieves zero leakage of the motor's sealed chamber, resulting in high reliability and application stability.