32results about How to "Simple and compact structure" patented technology

The invention relates to a power battery safety monitoring all-in-one low-voltage power supply and lithium battery energy complementing method, which is characterized in that an all-in-one controller is additionally arranged on a connecting circuit of a power battery, a power battery BMS (Battery Management System), a lithium battery and a lithium battery BMS, and the all-in-one controller is provided with a backup power supply and a DC / DC (Direct Current / Direct Current) converter for charging the lithium battery; low-voltage electricity is supplied to the power battery safety monitoring system through the lithium battery, power is supplied to a non-power battery through the DC / DC converter, and therefore the problems that due to the fact that the DC / DC converter is small in power and often needs to operate excessively, the fault rate is high, and monitoring cannot be achieved are solved; meanwhile, on the whole connecting circuit, the backup power supply of the all-in-one controller and the DC / DC converter used for charging the lithium battery are combined, low-power-consumption, high-stability and safe timing awakening power supply is achieved, energy supplementation is conducted on the lithium battery, and the whole circuit structure and the control method are simple and compact and high in safety and reliability.

The utility model relates to the technical field of material separation devices, in particular to a centrifugal separation device which comprises a cavity, a centrifugal assembly and an impeller assembly, the cavity is provided with a feed port and a heavy phase outlet, the centrifugal assembly is rotatably arranged in the cavity and comprises a cylindrical filter layer and an occupying part arranged on the radial inner side of the filter layer, and the impeller assembly is arranged in the cavity. An annular gap area is formed between the occupying part and the filtering layer, a hollow area is arranged in the occupying part and is communicated to an impeller assembly arranged outside the cavity, an outlet of the impeller assembly forms a light phase outlet, and the annular gap area is communicated to the hollow area of the occupying part through a communication part arranged at the end part or the middle part of the occupying part in the axial direction. According to the centrifugal separation device, filtering treatment is carried out through the filtering layer while centrifugal separation is carried out, the passing ability of the filtering layer is improved through the impeller assembly, and the separation and filtering efficiency is improved.

The application discloses a high-reliability long-service-life compensator for spacecraft thermal control and a preparation method, relates to the field of space temperature control fluid loop compensators, and comprises a storage tank body, an upper cover and a bellows assembly. The upper cover is welded to one end of the storage tank body, and the bellows assembly is welded to the other end of the storage tank body. The bellows assembly is located inside the storage tank body and is used for connecting a thermal control fluid loop. A liquid cavity is formed in the bellows assembly, the liquid cavity is communicated with the thermal control fluid loop, and an air cavity is formed between the bellows assembly and the storage tank body. The main function of the compensator is to reduce fluid loop pressure fluctuation, prevent cavitation caused by excessively low inlet pressure of the loop pump, and compensate for the reduction of liquid working medium caused by long-term operation, maintenance and micro-leakage of the system. The product provided with a liquid level sensor also has a liquid level display function.

The application discloses a rail polishing unit and a rail polishing trolley, and the rail polishing unit comprises a suspension assembly, a unit frame assembly, a motor mounting platform, a motor guide assembly, a polishing motor, a polishing grinding wheel, a lifting driving mechanism and a deflection driving mechanism. The suspension assembly is connected with a trolley frame, and the unit frame assembly is slidably connected with the suspension assembly. The motor mounting platform is hinged with the lower part of the unit frame assembly, and the motor guide assembly is connected with the motor mounting platform. The polishing motor is slidably connected with the motor guide assembly, and the polishing grinding wheel is connected with the output shaft of the polishing motor. The two ends of the lifting driving mechanism are respectively hinged with the polishing motor and the motor mounting platform. The two ends of the deflection driving mechanism are respectively hinged with the trolley frame and the motor mounting platform. The application can solve the technical problems of the existing rail polishing unit, such as large space occupation, large lifting resistance, low polishing efficiency and poor maintainability.

A surge protection module (1) and a surge protection device. The surge protection module (1) comprises: a bearing frame (12), a mounting plate (121) of which is provided with an electrode via hole (1211); a pressure-sensitive resistor (13) having a first electrode (131) and a second electrode (132) on the first side of the mounting plate (121); an electrode connector (14) mounted on the second side of the mounting plate (121), one end of the electrode connector (14) being welded to the second electrode (132) by means of the electrode via hole (1211); and a tripping mechanism comprising a rotating body (15) and a potential storage spring (16), wherein the rotating body (15) is provided with an arc-isolating plate (154), when the electrode connector (14) and the second electrode (132) are in a welding state, the rotating body (15) is limited in the first position, and the arc-isolating plate (154) is located on the side of the rotating body (15) facing the electrode via hole (1211) and corresponds to the electrode via hole (1211); and when a solder between the electrode connector (14) and the second electrode (132) melts, the potential storage spring (16) drives the rotating body (15) to rotate, and the arc-isolating plate (154) rotates to the electrode via hole (1211) and between the electrode connector (14) and the second electrode (132). The surge protection module (1) and the surge protection device can effectively avoid the problem of solder adhesion and possibly arcing during tripping.

Provided are a lock and a storage cabinet, relating to the field of storage devices. The storage cabinet includes a lock catch and the preceding lock. The lock is configured to be mated with the lock catch. The lock includes a housing, a lock hook, a locking member, and a drive assembly. The lock hook and the locking member are pivotally attached to the housing. The lock hook has a locking position where the lock hook is mated with the lock catch and an unlocking position where the lock hook is separated from the lock catch. The locking member has a first position for locking the lock hook at the locking position and a second position for unlocking the lock hook at the locking position. The drive assembly includes a motor and a driving member. The driving member is in transmission connection with the output shaft of the motor. The driving member includes at least one driving portion having a helical surface. The locking member has an acceptor. In the state where the output shaft of the motor drives the driving member to rotate, the helical surface can be mated with the acceptor to drive the locking member to move from the first position to the second position.

The application discloses a grinding device for hardware tool manufacturing and relates to the field of hardware machining equipment.The device comprises a hanging bracket, a grinding belt, a roller, a power motor, a servo motor and a distance adjusting, lifting, pressure regulating and separating assembly.The grinding belt is arranged around the outer side of the roller, and the servo motor is a common power source.The distance adjusting assembly adjusts the distance between the rollers through a worm and a two-way screw rod, and is suitable for different curved radii;ball screws cooperate with locking structures to drive the rotary seat to move, and a pressure spring is used for adjusting the pre-tightening force of the grinding belt.The separating assembly is provided with a ratchet and pawl structure, and the device can automatically slip and protect when the load is overloaded during roller distance adjustment.The device can switch between single power and two kinds of adjustment modes of roller distance and sand belt tension, simplifies the device structure, solves the problems of different steps and poor adaptability of traditional devices, and can meet the grinding requirements of workpieces with different hardness and radii.

The invention discloses an automatic medicine dispensing robot and method.The robot comprises a main controller, a man-machine interaction system, a medicine detection system and a medicine processing system.The man-machine interaction system is used for inputting and obtaining user information and medicine taking information and confirming the user information and the medicine taking information before medicine putting; the confirmed information is fed back to the main controller; the drug detection system is used for detecting drug states and feeding drug state information back to the main controller; the main controller is used for generating an instruction according to feedback information of the man-machine interaction system and the medicine detection system; and the medicine processing system is used for dispensing the corresponding medicines after the state detection according to the instruction of the main controller at regular time. The efficiency and accuracy of medicine management are improved, continuous medicine dispensing can be carried out, the medicine quality is monitored in real time, and it is guaranteed that the medicine meets the taking condition. And one robot can be used by multiple persons, and has the characteristics of compact structure, high dispensing efficiency and the like.

A hybrid powertrain (1000) and a vehicle (4000). The hybrid powertrain (1000) includes: a conversion device (10), a first motor (200), and an engine (300). At least one of the first motor (200) and the engine (300) is configured to selectively output power to a driving end through the conversion device (10). The engine (300) is configured to selectively output power to the first motor (200) through the conversion device (10), to drive the first motor (200) to generate electricity.

The application provides an automatic sand belt changing mechanism of a robot terminal sand belt machine, which comprises a frame body, a rotating assembly installed in the middle of the frame body, a stand installed on the top of the rotating assembly, and a plurality of belt changing assemblies installed on both sides of the stand. The belt changing assembly comprises a vertical plate fixedly installed on the side wall of the stand, a carrier fixed on the top of the vertical plate, a carrier vertically and slidably installed on the bottom of the vertical plate, and a lifting part connected to the carrier on the bottom of the vertical plate. An avoidance wheel is fixed on the carrier, and a supporting wheel is slidably installed on the avoidance wheel along the axial direction. The supporting wheel is used for preloading of the annular sand belt. The supporting wheel is elastically connected to the carrier through a first spring. A sliding part is arranged between the supporting wheel and the avoidance wheel, and an oil injection part is connected to the sliding part. The automatic sand belt changing mechanism can perform the whole process of automatic old sand belt unloading and automatic new sand belt sleeving, and does not need manual intervention in the whole process, thereby greatly shortening the downtime of the sand belt changing and effectively improving the operation rate of the automatic polishing workstation.

The present application provides an automatic cat excrement removing device, including: a ball compartment assembly configured to have at least three spaces including a working compartmentfor holding cat litter and allowing a cat to excrete, a screening compartmentfor screening cat litter and cat excrement, and an excrement collection compartmentfor holding cat excrement; and a driving assembly configured to drive the ball compartment assembly to rotate, a surface of the screening compartmentfacing a center of a circle of the ball compartment assembly is provided with a plurality of screening holes, when the ball compartment assembly rotates to a first position, the screening compartment is located at the lowest position of the ball compartment assembly, so that the cat litter falls into the screening compartment through the screening holes, while the cat excrement stays in the working compartment because the size of the cat excrement is larger than that of the screening holes, when the ball compartment assembly rotates to a second position, the excrement collection compartment is located at the lowest position of the ball compartment assembly, so that the cat excrement falls into the excrement collection compartment. The automatic cat excrement removing device of the present application has a simple and compact structure, a simple and compact structure, has a small size and is portable, has high space utilization, and is easy to clean.

The utility model discloses a structural section bar which comprises a bottom face and a buckling portion, a connecting portion is arranged at the face end of the bottom face, the connecting portion is connected with the buckling portion, an angle of 90 degrees is formed between the buckling portion and the connecting portion, and symmetrical inclination angle ends are arranged on the buckling portion. Compared with the prior art, the structural profile is compact and simple in structure and has higher use value compared with an old profile, aluminum with the whole body thickness of 0.2-0.5 mm is applied to be integrally formed to form the mounting profile, the production cost is reduced, the original requirements can be met, and the mounting profile has the advantages of being simple in structure, convenient to use and high in practicability. Therefore, the product is a practical substitute.

The application discloses a multifunctional industrial robot gripper, and belongs to the technical field of robot end actuators, which comprises a mechanical arm connecting frame and a cylinder clamping mechanism arranged below the mechanical arm connecting frame, the cylinder clamping mechanism can rotate around its own axis; a clamping ring assembly is arranged on the cylinder clamping mechanism, a plurality of clamping heads are arranged on the clamping ring assembly in a circumferential direction, and the clamping heads can be switched by rotating around the own axis; the clamping ring assembly is driven to move towards or away from each other by a forward and reverse screw rod, so as to clamp an object to be clamped; a camera assembly is arranged in the cylinder clamping mechanism, and the camera assembly is driven to rotate around its own axis by a driving mechanism, so as to change an observation angle. The application realizes the integration of the clamping head switching, clamping and visual observation structure, and improves the adaptability of the gripper to multiple types of objects.

The utility model discloses a same direction different motion conversion wheel, including pulley A, pulley B, dial, shaft sleeve and bearing, and pulley A and pulley B are connected in the both ends of shaft sleeve through bearing, and dial is located between pulley A and pulley B, and dial can slide left and right on the shaft sleeve, pulley B has the convex end A for abutting on this side close to dial, abutting hole and belt groove are seted up on pulley A, dial has the manual dialing end of extruding out, and the both sides of the ring body of dial have the convex driving end, when dial slides to pulley A, the driving end of dial slides into abutting hole, and at this moment can drive pulley A to rotate, when dial slides to pulley B, the driving end of dial corresponds with the convex end A of pulley B, and at this moment can drive pulley B to rotate. The outside of shaft sleeve is seted up keyway, and dial sliding is convenient. Dial can slide on the shaft sleeve through dial, and the purpose that one power drives two pulleys to rotate respectively is achieved.

The present disclosure provide a power distribution apparatus, a battery pack, and a vehicle. The power distribution apparatus includes: a base, a high-voltage connection part and a low-voltage connection part being fixed on the base; a high-voltage loop, at least a portion of the high-voltage loop being arranged on the base, the high-voltage loop being electrically connected to the high-voltage connection part, the high-voltage loop having a module positive-electrode connection end and a module negative-electrode connection end, and the high-voltage loop including a main disconnecting switch core fixed on the base; a circuit board, the circuit board being arranged on the base; a low-voltage loop, the low-voltage loop being integrated into the circuit board and being electrically connected to the low-voltage connection part; and a plurality of high-and-low-voltage tabs, an end of each high-and-low-voltage tab being connected to the high-voltage loop for electrical connection, and another end of the high-and-low-voltage tab being plugged into the circuit board for electrical connection with the low-voltage loop. The power distribution apparatus in the embodiments of the present disclosure has advantages such as a simple and compact structure, high space utilization, a small volume, a light weight, and low costs.

The present invention relates to the technical field of intelligent apparatuses, and in particular to a direct drive motor and an intelligent device. The direct drive motor includes a base, a stator assembly provided on the outer periphery of the base, a rotating shaft assembly provided in the base, and a rotor assembly connected to the rotating shaft assembly and covering the stator assembly. The base includes an inner end, an outer end, and a receiving chamber passing through the inner end and the outer end. The rotating shaft assembly is rotatably mounted in the receiving chamber. A first circuit board is mounted at the inner end; a recess is formed in the outer end; a second circuit board is mounted in the recess; and the first circuit board is connected to the second circuit board. When being applied to an apparatus such as an intelligent device and an intelligent robot, the direct drive motor is good in stability, high in intelligence, reliable in overall structure, and strong in practicability.

The invention belongs to the technical field of water treatment, and particularly relates to an integrated microbial culture water treatment system which comprises a filter box, a fermentation box, a treatment box and a filter tank, a fine filter screen and a coarse filter screen are mounted on the upper side and the lower side of an inner cavity of the filter box respectively, and the lower side of the filter box is connected with a sewage inlet pipe; the sewage inlet pipe is located on the lower side of the coarse filter screen, a first communicating pipe is arranged on the upper side of the filter box, located on the upper side of the fine filter screen and connected with a treatment box, and a second communicating pipe is connected to the bottom of the fermentation box and communicated with the treatment box. A fixed seat is connected to the lower end of the left side of the treatment box through bolts, an aeration generator and an aeration pipe are installed on the fixed seat, the aeration generator is located on the outer side of the treatment box, pollutants in water are utilized or converted by microorganisms, the concentration of the pollutants is reduced, then the pollutants are filtered through a filtering tank, free microorganisms are removed through a filtering membrane, and the pollutants are purified. Therefore, water treatment is completed.

The utility model discloses switch electromagnetic valve and damping adjusting device belong to electromagnetic valve technical field, and the design is for solving the problem that existing electromagnetic valve is driven by magnetic force entirely and so on cone rod. The utility model discloses switch electromagnetic valve includes: valve body, valve piece group, control valve body, including control valve main part and installation column, and the control valve main part is opened with valve body recess along the axial direction, and the lateral wall on valve body recess is opened with radial through -hole, control valve core is arranged in valve body recess in one end, spring is abutted to control valve core in one end, and spring and control valve body are located the opposite sides of control valve core respectively, valve bush, electromagnetic base and valve seat. The utility model discloses switch electromagnetic valve and damping adjusting device, and spring can provide auxiliary driving force for control valve core, need not drive by magnetic force entirely, and the energy consumption is low, and the performance requirement of magnetic force driving device is low, and the response speed of control valve core is fast, and the service life of this switch electromagnetic valve is long, the structure is more simple, and the use is more comfortable, and the use cost is low.

The utility model discloses a mechanism for placing half battery pieces, welding blocks and welding wires. The mechanism comprises a placing track and two groups of welding wire transferring modules, a welding wire moving seat is connected to the driving end of the welding wire moving module, a welding wire moving plate is movably arranged on the welding wire moving seat in the vertical direction, a welding wire unclamping vertical plate is installed on the welding wire moving plate, a welding wire clamping wheel is rotationally arranged on the welding wire unclamping vertical plate, a welding wire clamp is arranged on the welding wire moving plate, and the welding wire clamping wheel is in rolling connection with the inclined face of the upper end of the welding wire clamp; an alignment sliding rail is arranged in the front end of the placing rail, an alignment sliding plate is connected to the alignment sliding rail in a sliding mode, and an alignment supporting seat is fixed to the alignment sliding plate and moves on the placing rail. The placing mechanism for the battery half pieces, the welding blocks and the welding wires is used for aligning the positions of the battery half pieces, the welding blocks and the welding wires to wait for a subsequent tin soldering process, the positions of the battery half pieces can be adjusted according to the positions of different assembly lines, the structure for clamping the welding wires is simple and compact, and the overall adaptability is high.

The present disclosure provides a power distribution apparatus, a battery pack, and a vehicle. The power distribution apparatus includes: a base, the base being configured with an interface area, a high-voltage connection part and a low-voltage connection part being fixed in the interface area; a high-voltage loop, at least a portion of the high-voltage loop being arranged on the base, the high-voltage loop overlapping with the high-voltage connection part for electrical connection, the high-voltage loop having a battery positive-electrode connection end and a battery negative-electrode connection end, components connected in the high-voltage loop being electrically connected through overlapping, the high-voltage loop including a main disconnecting switch core, and the main disconnecting switch core being fixed on the base and the main disconnecting switch core and the base jointly forming a first module; a circuit board, the circuit board being arranged on the base; and a low-voltage loop, the low-voltage loop being integrated into the circuit board and the low-voltage loop and the circuit board jointly forming a second module, and the high-voltage loop and the low-voltage connection part being respectively plugged into the circuit board and electrically connected to the low-voltage loop. The power distribution apparatus in the embodiments of the present disclosure has advantages such as a simple and compact structure space utilization, a small volume, a light weight, low costs, versatility and high production efficiency.

The invention relates to an auxiliary chip removal device of a hole making system based on jet flow control. The auxiliary chip removal device comprises a high-pressure buffer assembly, a low-pressure buffer assembly and an air guide mechanism. The high-pressure buffering assembly is arranged in the low-pressure buffering assembly and used for blowing cuttings to suspend in the air. The low-pressure buffering assembly wraps the high-pressure buffering assembly and is used for absorbing cuttings. The high-pressure buffering assembly and the low-pressure buffering assembly are provided with a through cutter inlet channel in the same longitudinal direction, and a cutter can penetrate through the cutter inlet channel to conduct drilling operation on an operation area of the face to be machined. The bottom of the low-pressure buffering assembly is attached to a to-be-machined face. The air guiding mechanism is used for adjusting and optimizing the airflow direction and speed in the high-pressure buffering assembly and the low-pressure buffering assembly. Compared with the prior art, double mechanisms of high-pressure air blowing and low-pressure air suction are combined, and the problem that a traditional chip removal mode is low in efficiency is effectively solved. And due to the introduction of the air guide mechanism, the accurate regulation and control of airflow are realized, and the pertinence and efficiency of chip removal are improved.

This utility model discloses a power take-off (PTO) with braking function, including a PTO housing, an output shaft and an output gear disposed within the PTO housing, the output gear being sleeved on the output shaft; multiple friction plates are mounted on the outer side of the output gear along its circumference; it also includes a clutch hub sleeved on the output shaft, the rear end of the clutch hub being open and the front end being movably connected to a brake hub; multiple mating plates are mounted on the inner wall of the clutch hub facing the output shaft, the friction plates and mating plates being alternately distributed; a piston is also sleeved on the output shaft between the inner wall of the clutch hub and the mating plates, a first oil chamber is formed between the piston and the clutch hub, and a second oil chamber is formed between the clutch hub and the brake hub; a third oil passage is provided on the clutch hub, capable of connecting the first oil chamber and the second oil chamber; a first oil passage is provided on the output shaft, the first oil passage communicating with the first oil chamber; a first spring capable of extending and retracting along the output shaft axially is provided inside the clutch hub, and a second spring capable of extending and retracting along the output shaft axially is provided inside the brake hub.

This invention provides an airtightness testing mechanism and device. The airtightness testing mechanism includes a main body, a plug connected to the main body, and a surrounding portion at least partially surrounding the plug. A test chamber is formed between the surrounding portion and the plug, with an open vent at the end of the test chamber away from the main body. The plug seals the opening of the product, and the surrounding portion supports the outer surface of the product. An air passage is provided inside the airtightness testing mechanism, and the test chamber communicates with the outside of the mechanism through the air passage. When performing an airtightness test on a product, the plug seals the opening of the product, and the surrounding portion supports the outer surface of the product. Then, the test chamber is evacuated or inflated to test whether the tested part of the product leaks. Compared with the prior art, the airtightness testing mechanism of this invention does not require separate plugs and seals, resulting in a simpler and more compact structure and reduced manufacturing costs.

The invention discloses a fast linear confocal scanning photoacoustic microscopic imaging system and an imaging method thereof.The imaging system comprises a laser emitting module, a linear confocal scanning photoacoustic probe module and a system control and signal processing module, and optical fibers are made to resonate by controlling a piezoelectric displacement table; the electric control rotary table is controlled to repeat the scanning at small angles gradually and rotate to 180 degrees to complete full scanning of the surface of the sample, the sample generates an acoustic signal after absorbing the laser, the acoustic signal is received by the hollow line focusing transducer and converted into an electric signal, and the electric signal is transmitted to a computer for signal processing and image reconstruction. Through the linear confocal principle, the rapid and stable scanning of the sample is realized, and the imaging sensitivity is ensured while the miniaturization of the probe is optimized.

The invention discloses a combined repair device and method. The device comprises a gearbox repair mechanism and a clutch repair mechanism. The gearbox repairing mechanism comprises a gearbox disassembling part and an oil storage part; the clutch repairing mechanism comprises a clutch assembling part and a measuring part; a guide rail is fixedly connected to the table top of the gearbox repairing mechanism, and the clutch repairing mechanism is clamped to the guide rail and is in sliding connection with the gearbox repairing mechanism through the guide rail. The gearbox disassembling part is mounted above the oil storage part, oil flows out when the gearbox is disassembled, and the overflowing oil is guided and collected through the oil storage part to avoid oil pollution; the measuring part is installed on one side of the clutch assembling part, connected with the supercharging device through an air pipe and used for inflating and supercharging a clutch on the clutch assembling part so as to simulate the running state of the clutch, and therefore air tightness evaluation and design requirement specification evaluation are carried out. Oil pollution and repair complexity are reduced; and high-precision maintenance of the clutch is realized.

The application provides an energy-saving speed-regulating blade adjusting device of an industrial fan, which comprises a fan shell and a speed-regulating blade module. A fan main shaft is arranged at the central position inside the fan shell. The speed-regulating blade module comprises a hub base fixedly installed at the end of the fan main shaft. A plurality of groups of blade mounting seats are embedded in the inner circumferential direction of the hub base. An adjusting blade is rotatably assembled in each group of blade mounting seats through a rotating pin shaft. An annular gear ring is arranged coaxially with the fan main shaft in the hub base. A driving gear is meshingly matched with the inner side of the annular gear ring. A speed-regulating driving motor is connected to the input end of the driving gear. A locking assembly is further arranged on the outer side wall of the hub base. The application has the following beneficial effects: the full-internal structure is adopted, the internal space of the fan is fully utilized, the overall size of the fan is not changed, the universality is high, the air volume and air pressure are accurately controlled by adjusting the blade inclination angle, the fan is efficiently operated, the useless power consumption is reduced, the energy-saving effect is remarkable, the supporting limiting and locking structure is stable and reliable in operation.

The present invention discloses a pneumatically driven micro-gripper, comprising: a base; an airbag mechanism, the airbag mechanism is arranged on the base and is connected with the base, the airbag mechanism comprises at least one airbag; a clamping mechanism, the clamping mechanism comprises two clamping arms relatively arranged on the base, the airbag mechanism is located between the two clamping arms, the two clamping arms are respectively connected to the two opposite outer side walls of the airbag mechanism, and when the airbag mechanism is inflated or deflated, the airbag mechanism drives the two clamping arms to open or close. The pneumatically driven micro-gripper of the present invention utilizes high-precision micro-nano 3D printing technology, and adopts pneumatic expansion of the airbag to drive the clamping arms connected to both sides of the airbag to open, and has the advantages of simple, compact and miniaturized structure, large output force, high power density, large opening and closing amount, and the opening and closing amount resolution can reach sub-micron; it adopts pneumatic drive, has good applicability to biological environments and can be used in liquid environments, realizing fine operation of biological microstructures.

This utility model discloses a motor with a universally adjustable shaft, belonging to the field of motor technology. It includes a motor body and a universal joint head, which consists of a universal ball cover, a limiting ring, a star-shaped body, and an output shaft. The front end of the drive shaft has a first connecting spline, and the rear end has a connecting through hole. The universal ball cover is fixed to the drive shaft by connecting bolts, and its internal spherical cavity has an outer raceway. The limiting ring has a limiting ball groove and nests universal adjusting balls. The star-shaped body has an inner raceway, which cooperates with the universal adjusting balls and the outer raceway to form a rolling channel. The output shaft is connected to the star-shaped body by a spline. Universal adjustment of the output shaft is achieved by the rolling of six universal adjusting balls within the inner and outer raceways, and the drum-shaped structure of the limiting ring prevents axial displacement. This utility model achieves universal adjustment of the output shaft and has the advantages of a simple and compact structure, stable and reliable transmission, easy disassembly and maintenance, and high transmission efficiency.

The present invention relates to the technical field of metrological calibration equipment, and specifically discloses an intelligent calibration device for pressure gauges, which includes a workbench, a computer, a standard pressure generating unit, an image acquisition device, a plurality of clamping mechanisms, a plurality of pressure supply hoses, and a linear feed mechanism; the clamping mechanism is composed of a fixed disk, a rotating disk, a slider, a clamping claw, a round pin, a driving component, and an elastic component, and the clamping mechanism is used to fix the pressure gauge to be tested and to locate the center position of the dial; the linear feed mechanism can adjust the position of the image acquisition device, and then can perform image acquisition on the dial of each pressure to be tested. This intelligent calibration device is suitable for the calibration tasks of pressure gauges of different models, overcomes the influence of the differences in case size and joint length between different pressure gauges on the calibration data, and can improve the image acquisition quality, thereby reducing the system error in the image recognition process, thereby significantly improving the accuracy of the calibration data.

The present disclosure a packaging apparatus for packaging bags equipped with a label printer, the packaging apparatus having a remarkably high packaging speed in comparison to packaging apparatuses of the related art. The packaging apparatus of the present disclosure includes a frame equipped with components for operating and controlling the apparatus therein, a bag feeding unit automatically conveying and feeding half-cut and wound bags, a label attaching unit installed on the frame and printing and attaching a label to the bags that are conveyed, and an opening and sealing unit opening tops of the bags, putting a product into the bags, and then packing the bags through sealing.