194results about How to "Small weight" patented technology

The invention relates to the technical field of AGVs, in particular to an AGV, a passive Chinese character'tian '-shaped support forking method and an active Chinese character'tian'-shaped support forking method, a lifting module enables lifting of a single fork arm assembly to only need a single driving source to provide effective power through the design of a driving shear fork unit and a driven shear fork unit, the structure is simplified, and the lifting efficiency is improved. The fork arm assembly is supported more stably, the shear forks in the lifting module are shorter, and the shear forks can stretch out and draw back from gaps between cross beams at the bottom of the matts, so that the effect of forking the matts is achieved; in the forking process, a shear fork of the lifting module is supported by the ground, supporting is more stable through the structure, additional balance weights do not need to be added to an AGV body, and the size and the weight are smaller; through the design of the portal assembly, the telescopic movement of the multiple fork arm top plate modules connected with the portal assembly is synchronous, the telescopic movement of the multiple fork arm assemblies can be achieved only through one power source, and the cost is reduced.

The utility model relates to the technical field of massage equipment, in particular to a shoulder and neck massager which comprises a transmission assembly, a first massage assembly, a second massage assembly and a driving assembly. The transmission assembly comprises a transmission shaft and a transmission wheel, the transmission shaft is sleeved with the transmission wheel, the transmission wheel comprises a cam part, a swing part and a sleeving part, the center of the cam part is located on one side of the transmission shaft, and the swing part is provided with a swing slope obliquely arranged relative to the axial direction of the transmission shaft; a first swing arm in the first massage assembly is rotatably arranged on the cam part in a sleeving manner; a second swing arm in the second massage assembly is rotatably arranged on the sleeving part in a sleeving manner, and the second swing arm abuts against the swing inclined plane; under driving of the driving assembly, the cam part can drive the first swing arm to swing back and forth around the transmission shaft, and the swing slope can drive the second swing arm to swing back and forth in the axial direction of the transmission shaft. The transmission wheel can drive the first swing arm and the second swing arm to swing at the same time, the structure of the transmission assembly is simplified, and therefore the size and the weight of the shoulder and neck massager are small.

The invention discloses an ultra-wideband low-profile feed source loaded with a step medium, and relates to the field of ultra-wideband feed sources. The antenna comprises four log-periodic antennas, four groups of step dielectrics, dielectric cylinders, a reflection floor, a metal cavity and two feed baluns, the four log-periodic antennas are divided into two pairs which are orthogonally arranged, each pair comprises two log-periodic antennas which are oppositely arranged, the log-periodic antennas are fixed on the dielectric cylinder through screws, and an included angle is formed between the log-periodic antennas and the reflection floor; each group of stepped dielectric is formed by arranging twelve dielectric blocks in height stepped distribution, is positioned between the log-periodic antenna and the reflection floor, and clings to the reflection floor; the two feed baluns are orthogonally arranged, and each balun comprises a dielectric substrate, an index gradient microstrip line and a one-to-two power divider. The antenna is wide in frequency band, low in profile and suitable for serving as a primary radiator of a reflector antenna in the fields of satellite communication, radar detection, radio astronomy and the like.

The invention discloses an ion pump high-voltage power supply, and belongs to the technical field of power supplies and ion pumps. The ion pump high-voltage power supply comprises a square wave generation circuit, a forward inverter circuit, a voltage doubling circuit, a power supply management circuit and a high-voltage restart auxiliary circuit. The two voltage doubling circuits for generating positive and negative high voltages share one set of converter and transformer, so that the efficiency is improved, and the installation size is reduced; the output current of the high-voltage power supply is monitored in real time, the high voltage is closed when the current is lower than a set threshold value, and the high voltage is restarted after a period of time, so that the operation efficiency is further improved; compared with a scheme of increasing the capacity of a storage battery, the high-voltage power supply has the advantages that the cost of the system can be greatly reduced, experimental results show that the high-voltage power supply can continuously run for more than 30 days under the condition that only one 9V dry battery is used, and compared with the prior art, the endurance time of the high-voltage power supply is remarkably prolonged.

The utility model discloses a test loading device for testing the bonding performance of reinforcing steel bars and concrete, and belongs to the technical field of performance testing of concrete structure test pieces. Comprising an external complex stress applying device, a horizontal counter-force structure, a horizontal fixing structure and an anchoring and drawing structure, the external complex stress applying device, the horizontal fixing structure and the anchoring and drawing structure are all located above the horizontal counter-force structure, and the external complex stress applying device is used for applying complex stress to a reinforced concrete test piece in the circumferential direction; before testing, the steel bar is placed in a corrosion pool to be corroded, the steel bar in the reinforced concrete test piece penetrates through the horizontal counter-force structure, and anchoring and drawing structures are installed at the free end and the drawing end of the steel bar. The device is small in size and weight, simple in testing method, easy to operate, good in flexibility and easy to carry. And the accuracy of a test result is improved. And the test of the bonding performance of the reinforced concrete test piece under the coupling action of external complex stress and steel bar corrosion is realized.

The present invention discloses an extreme high power density cylindrical linear motor, comprising a frame, a cylindrical primary assembly, a secondary assembly, a connecting piece, a hanging piece and a friction pair sliding piece; the frame comprises a primary mounting assembly, a long strip-shaped beam and a hanging piece; there are two primary mounting assemblies, which are respectively sleeved on the two ends of the primary assembly, the secondary assembly is sleeved in the middle of the primary assembly, and there are two long beams, which are symmetrically mounted on the upper and lower ends of the two primary mounting assemblies; a vertical hollow structure is arranged on the end face of the long beam close to the primary assembly, a horizontal hollow structure is arranged in the middle of the long beam, the hanging piece is embedded in both sides of the long beam, and grooves for placing the friction pair sliding pieces are also provided on the left and right side surfaces of the hanging piece, so that the winding utilization rate is high; the secondary is a cylindrical iron core with an embedded permanent magnet structure, which does not need to be powered by wires, so that it is easy to install and convenient to be hung with an execution structure; the motor has a small volume and weight and has a high thrust density.

The utility model discloses an arched framework slope protection template, which belongs to the technical field of engineering moulds and comprises a slope protection template, a plurality of support components arranged at the top end of the slope protection template, a plurality of supporting components arranged on the inner side of the slope protection template, and a plurality of connecting components arranged at the top end of the slope protection template. The slope protection formwork comprises a pair of lower arch rings, the pair of lower arch rings are symmetrically distributed, side formworks are arranged at the ends, away from each other, of the pair of lower arch rings, upper arch rings are arranged at the ends, away from the lower arch rings, of the pair of side formworks, and the pair of upper arch rings are symmetrically distributed. According to the mold, the mold bodies are clamped together through the connecting blocks and then connected through bolts, so that the mold bodies can be spliced in a modularized mode, transportation and installation are convenient, the size and weight of each mold body are relatively small, carrying and installation are easier, and the mold bodies can be manually carried and assembled through simple tools.

The modular ROV switching lifting device comprises a lifting frame, a retracting winch, a butt joint assembly, a supporting frame, a hydraulic system and an electric control system, the upper portion of the lifting frame is connected with an original lifting system of a mother ship, the lower portion of the lifting frame is connected with the retracting winch through a bolt, and two side plates of the lifting frame are connected with the butt joint assembly through two guide rods; the lug plates on the supporting frame side plates are used for being connected with an ROV guide connector body, fixed to a guide connector and connected with a deck to be fixed to the deck. An electric control assembly in the electric control system and a hydraulic assembly in the hydraulic system are both placed on a side plate of the winding and unwinding winch; the winding and unwinding winch is controlled by a console and a remote controller, and the winding and unwinding winch is connected with an ROV lifting point through a winch cable to complete the laying and winding operation of the ROV; through the modularized ROV switching lifting device, quick reloading can be completed in a short time, and quick switching from a manned submersible launching and recovery system to an ROV launching and recovery system is achieved.

The utility model discloses a remote control self-propelled small-sized sugarcane threshing machine, which relates to the technical field of agricultural machinery and comprises a machine body side cross rod, a gasoline engine is fixed at the upper end of the machine body side cross rod, a power input shaft is arranged on the surface of the gasoline engine, and a transfer case is in transmission connection with the surface of the power input shaft. The two sides of the transfer case are in transmission connection with a first power shaft and a second power shaft respectively, the other end, opposite to the transfer case, of the first power shaft is in transmission connection with a speed changer, the gasoline engine is used for outputting power, and the threshing function and the self-walking function of the threshing machine can be achieved at the same time; the steering of the threshing machine and the rotation stop of the threshing roller can be remotely controlled through the control cabinet; in addition, the wheel distance between the front axle and the rear axle in the walking device is the same as the width of a sugarcane ridge for planting sugarcanes in hilly and mountainous regions at present, so that the walking device is convenient to move in sugarcane fields.

The invention discloses an optical domain routing reconfigurable information exchange device and method, the device comprises an electrical interface, a signal acquisition unit, a photoelectric conversion unit, an optical path scheduling unit and an optical interface which are connected in sequence, the electrical interface can be externally connected with a group of sensors or directly output electrical signals, and the optical interface is connected with opposite terminal equipment. And the electrical interface, the signal acquisition unit, the photoelectric conversion unit, the optical path scheduling unit and the optical interface form a closed loop through opposite terminal equipment. The device can realize large-scale high-speed data optical domain routing reconfigurable information exchange processing, and is low in cost, small in equipment weight and size, low in equipment power consumption, good in expandability, suitable for various complex application scenes and wide in application prospect, and the method is easy to operate and high in practicability.

The invention provides a six-axis linkage motion platform, and belongs to the technical field of scanning electron microscopes. The X-axis linear motion mechanism comprises an X-axis linear motion structure arranged on a base; the Y-axis linear motion mechanism is arranged on the base and is used for enabling the portal frame to move in the Y direction; the Z-axis linear motion structure is arranged on the portal frame; the R-axis rotating structure is arranged on the X-axis linear motion structure and is used for enabling the sample to rotate by 360 degrees; the T-axis tilting and swinging structure is arranged on the Z-axis linear motion structure and is used for enabling the electron gun assembly to swing; and the A-axis linear motion mechanism is arranged on the T-axis tilting and swinging structure and used for providing linear motion of the electron gun assembly in the A-axis direction. The X-axis, the Y-axis, the Z-axis, the A-axis, the T-axis and the R-axis are arranged, adjustment of movement in six directions can be achieved, slicing treatment is not needed when large-size samples are observed, and precious samples are prevented from being damaged.

The invention belongs to the field of laser wireless energy transmission. The invention provides a laser battery array chip and a manufacturing method and application thereof, the chip comprises a battery array formed by serially connected sub-batteries, each sub-battery comprises an electrode extension part and an electrode connection part which extend from a metal electrode layer, and the electrode extension parts and the electrode connection parts are electrically connected with buffer layers of adjacent sub-batteries, so that serial connection is realized; the sub-cell further comprises a first insulating passivation layer for isolating the metal electrode from the energy conversion layer and isolating the adjacent sub-cell. The design greatly improves the laser energy output efficiency and conversion efficiency per unit area. The laser energy conversion battery array chip designed by adopting a chip process has extremely high output energy density and smaller volume and weight, so that the laser energy conversion battery array chip is more suitable for being applied to the fields of wireless charging of unmanned aerial vehicles in the future and the like.

The present invention discloses a dewatering filter for an airborne oxygen system, wherein an air inlet pipe is provided at the upper end of a shell, a water outlet hole is provided at the bottom of the shell, an air outlet pipe is provided on the outer wall of the shell, a spiral tooth plate and a filter body are installed in the shell, a vertical filter body is located at the center of the shell, the spiral tooth plate is installed around the middle and upper outer wall of the filter body, a gap is provided between the outer wall of the spiral tooth plate and the inner wall of the shell, a filter air inlet is provided at the lower part of the filter body, a filter air outlet is provided at the upper part of the filter body, and the filter air outlet is connected to the air outlet pipe. The present invention highly integrates a dewatering device and a filter device into one device, which has both dewatering and filtering functions, so that the air entering the oxygen concentrator meets the high quality requirements of dryness and cleanliness, prolongs the life of the airborne oxygen concentrator, and significantly reduces the volume and weight of the entire oxygen system, reducing the flight load and cost of the aircraft.

The utility model relates to the technical field of fish culture, in particular to a rapid fishing device which comprises a main body frame and an inserting rod fixedly connected with the surface of the main body frame and further comprises an adjusting assembly. The adjusting assembly comprises a rotating shaft, the rotating shaft is rotatably connected with the inner wall of the main body frame, the surface of the rotating shaft is fixedly connected with a winding drum, the surface of the winding drum is sleeved with an adjusting rope, one end of the adjusting rope is fixedly connected with the surface of the winding drum, and the other end of the adjusting rope is fixedly connected with a fish cage; positioning holes are formed in the surface of the fixing disc, a fixing frame is fixedly connected to the surface of the body frame, positioning rods are slidably connected to the inner wall of the fixing frame, and first screw holes are formed in the surface of the fixing frame. By arranging the adjusting assembly, the distance between the two sets of fish cages can be rapidly adjusted in a labor-saving mode according to the widths of different fish channels, the size and weight of the whole device are small, carrying, moving and placing are convenient, and the convenience of the device is effectively improved.

This invention discloses a piston and its design method, relating to the field of piston technology. The piston includes a skirt and a head connected to the top of the skirt. The skirt has a pin hole extending transversely through the skirt. Two hole sides are located on either side of the skirt along the transverse direction. A main thrust side and a secondary thrust side are formed on either side of the skirt along the longitudinal direction. The main thrust side has two first grooves recessed towards the secondary thrust side, both located near the bottom of the skirt and spaced apart transversely. The secondary thrust side has a second groove recessed towards the main thrust side, located near the top of the skirt. The piston provided by this invention can effectively avoid stress concentration, reduce abnormal wear, has a long service life, and high reliability.

Disclosed is a battery module which has a simple structure, small volume and weight, and efficient cooling performance. The battery module includes a plurality of secondary batteries, each including an electrode assembly and a pouch exterior configured to accommodate the electrode assembly in an inner space thereof and having a sealing portion provided thereto, the plurality of secondary batteries being arranged in a vertical direction in a state of being laid in a horizontal direction; and a plurality of cartridges configured to be stacked in a vertical direction, each cartridge being coupled in contact with a sealing portion of the secondary battery to surround the sealing portion and being made of thermally-conductive material.

The invention relates to the technical field of boiler cleaning, in particular to a boiler scale cleaning device and a cleaning method.The boiler scale cleaning device comprises a power box, a connecting shaft and a cleaning assembly, the connecting shaft is fixedly connected with the power box, the cleaning assembly is rotationally arranged on the connecting shaft, and a cleaning brush is rotationally arranged at one end of the connecting shaft; a cylindrical cam is fixedly arranged on the connecting shaft, a sleeve matched with the cylindrical cam is fixedly arranged on the cleaning assembly, the sleeve is movably connected with the power box in an inserted mode, a driving assembly matched with the sleeve is arranged in the power box, and the cleaning brush is in power connection with the cleaning assembly. The first motor drives the gear to rotate, the driving sleeve drives the cleaning assembly and the cleaning brush to rotate to clean the inner wall of the boiler, and when the sleeve drives the cleaning assembly to rotate, the sleeve is matched with the cylindrical cam, so that the sleeve and the cleaning assembly do front-back reciprocating motion while rotating, and the inner wall of the whole boiler is cleaned.

The utility model relates to the technical field of primary processing equipment in the tobacco industry, in particular to a novel negative pressure dust and moisture removal device, which is characterized in that the upper end part of a split type dust and moisture removal cover is fixedly connected with a dust and moisture removal branch pipeline, one side of the dust and moisture removal branch pipeline is fixedly connected with a group of electromagnetic valves, and a branch pipe valve is arranged in the dust and moisture removal branch pipeline; a set of PLC is connected to the lower end of the electromagnetic valve, a negative pressure detector is arranged in the dust removal and moisture removal branch pipeline, a centralized dust removal body is fixedly connected to the upper end of the dust removal and moisture removal branch pipeline, and a branch pipe valve and a negative pressure detector are arranged in the middle section of the branch pipeline. The other one can concentrate on quickly discharging moisture and heat, the professional design can improve the overall dust removal and moisture discharging efficiency, and meanwhile, the pressure and load borne by single equipment can be reduced, so that the noise and vibration during operation are reduced, the working stability of the equipment is improved, and the service life of the equipment is prolonged.

The invention provides a wing gust mitigation control method based on combined plasma excitation, and belongs to the technical field of aircraft gust mitigation control. The control method comprises the following steps: S1, acquiring an aerodynamic characteristic curve of the wing; s2, a first installation position is determined based on the aerodynamic characteristic curve obtained in the step S1, and a first plasma exciter is installed at the first installation position; s3, determining a second mounting position based on the aerodynamic characteristic curve obtained in the step S1, and mounting a second plasma exciter at the second mounting position; and S4, a gust signal of the wingtip or the nose of the unmanned aerial vehicle is obtained, and the first plasma exciter or the second plasma exciter is controlled to operate according to the gust signal. Induced jet flow is generated on the surface of the wing through the plasma exciter and acts on an airflow field on the surface of the wing, aerodynamic force fluctuation of the wing is controlled, gust load is slowed down, and hang time is prolonged.

The utility model provides an infusion device which comprises a shell, an infusion tube, an infusion tube and an infusion tube. The medicine storage bag is arranged in the accommodating cavity; the remaining needle assembly is mounted in the mounting opening; the infusion pump is arranged in the containing cavity, the input end of the infusion pump is communicated with the medicine storage bag through a medicine inlet pipeline, and the output end of the infusion pump is communicated with the remaining needle assembly through a medicine outlet pipeline. According to the scheme, a piston component is omitted, the internal structure of the infusion device is fully simplified, the size and weight of the infusion device are smaller, and the use experience of the infusion device is effectively improved.

The utility model relates to the technical field of interior design, in particular to a working table which can switch a computer opening state to be used and a computer folding state to meet different working requirements, is smaller in size, weight and occupied area, and improves practicability. Comprising a support, an interior design table board, a computer containing groove, supporting columns, hinges, a turnover plate, a sliding frame, a computer, a sliding plate and a keyboard and mouse set, the top end of the support is connected with the outer side of the bottom end of the interior design table board, the computer containing groove is formed in the front side of the top end of the interior design table board, and the supporting columns are connected to the two sides of the front end in the computer containing groove; the inner end of the turnover plate is connected with the rear end of a computer; the middle front side of the bottom end of the indoor design desk plate is connected with the top end of a sliding frame; the inner side of the sliding frame is connected with a sliding plate in a forward sliding manner; the top end of the sliding plate is connected with the bottom end of a keyboard and mouse set; the output end of the keyboard and mouse set is connected with a computer through wire, and an adjustable supporting structure is arranged at the rear end of the indoor design desk plate.

The invention discloses a high-power shaftless rim fan adopting an outer rotor motor, and relates to the technical field of fans, the high-power shaftless rim fan comprises a fan outer shell, a fan assembly, a cylindrical roller, a motor rotor, a motor stator and a fan air duct; a driving part of the fan adopts an outer rotor motor structure, fan blades of the fan are shaftless rim fans and are fixed on a rim structure, a main shaft structure of the fan blades is canceled, a motor rotor of the fan is mounted in a fan shell through a cylindrical roller, the fan shell serves as a bearing outer ring, the motor rotor serves as a bearing inner ring, and the fan shell serves as a bearing outer ring. The shell, the motor rotor and the cylindrical roller form a bearing structure, the rim fan blade assembly is connected with the motor rotor through a stud, and high integration of the fan is achieved. The inner circle of a stator of the fan is fixed to the fan air channel, and the fan air channel serves as a machine shell of the driving motor and a ventilation pipeline of the fan. According to the shaftless rim fan, the motor and the fan are integrated, the shaftless rim fan has the advantages of being compact in structure, flexible to control, convenient to arrange and the like, the fan blades are of a shaftless structure, air flow is smoother, and therefore the air flow efficiency is improved, energy waste is reduced, and the operation cost is saved.

The utility model provides a duct type air conditioner, a duct type air conditioner mounting structure and an air conditioner. The duct type air conditioner comprises a shell, an air inlet, an air outlet and an air duct communicating with the air inlet and the air outlet. The heat exchanger is arranged in the air duct; the cross-flow fan is arranged in the air duct; the wind pipe machine is installed in the suspended ceiling, the length and the height of the wind pipe machine are set to be smaller than the length and the height of a ventilation opening formed in the suspended ceiling so that the wind pipe machine can be disassembled and assembled through the ventilation opening, and the air return opening and the air outlet can communicate with the ventilation opening. The air pipe machine adopts the cross-flow fan, so that the ultra-thin design of the air pipe machine is favorably realized, and the air pipe machine can be disassembled and assembled through a ventilation opening of a suspended ceiling, so that the air pipe machine is convenient to maintain and replace; and the integrated design of a suspended ceiling air inlet communicated with an air return opening of the ducted air conditioner, a suspended ceiling air outlet communicated with an air outlet of the ducted air conditioner and an access hole used for disassembling, assembling and maintaining the ducted air conditioner is realized on the suspended ceiling.

The invention provides a measuring tool for grounding. The measuring tool comprises a seat body; the transmission gear is rotatably arranged on the seat body; the insertion rod is arranged on the transmission gear in a penetrating mode and matched with the transmission gear in a rotation stopping mode, and the insertion rod can move up and down relative to the transmission gear; the driving part comprises a driving gear, the driving gear can be meshed with the transmission gear to drive the transmission gear to rotate, and the transmission gear rotates to drive the insertion rod to rotate and move up and down; and the detector is electrically connected with the insertion rod. According to the technical scheme, the problems that in the related technology, a measuring tool for grounding is large in size and weight and inconvenient to carry are effectively solved.

The invention relates to a directional coupler and an antenna. The directional coupler comprises a dielectric substrate; the first signal line and the second signal line are arranged on the dielectric substrate and are insulated from each other, ports at two ends of one of the first signal line and the second signal line respectively form an input port and a straight-through port, and ports at two ends of the other one of the first signal line and the second signal line respectively form a coupling port and an isolation port; the first signal line comprises a first connecting line and a first annular structure which are connected, and the second signal line comprises a second connecting line and a second annular structure which are connected; the inner side of the second annular structure is provided with a part of the first connecting line, and the second annular structure and the part of the first connecting line form a bilateral coupling circuit; the inner side of the first annular structure is provided with a part of the second connecting line, and the first annular structure and the part of the second connecting line form a bilateral coupling circuit. The directional coupler and the antenna are small in size, and miniaturization and light weight can be achieved.

The present invention relates to the technical field of wireless charging power supply, and in particular to a half-bridge resonant inverter type magnetically coupled resonant wireless charging power supply, which includes a transmitting end circuit and a receiving end circuit, wherein the transmitting end circuit includes an EMI filter circuit, a first rectifier filter circuit, a half-bridge LCC resonant inverter circuit, a first auxiliary power supply, a first signal conditioning circuit, a control circuit and a first communication circuit; the receiving end circuit mainly includes a parallel resonant circuit, a second rectifier filter circuit, a second auxiliary power supply, a second signal conditioning circuit and a second communication circuit. The present invention combines the inverter topology with the resonant topology to achieve input power regulation and reduce the size and weight of the transmitting end; wireless communication between the transmitting end and the receiving end circuit is achieved through the first communication circuit and the second communication circuit, while improving the dynamic and static performance of the power supply, ensuring that the receiving end circuit has the advantages of small size and simple structure, and has good market application value.

The utility model relates to the technical field of air valves, and particularly provides a scavenging air valve module and a combination valve. A containing groove is formed in the air valve shell, and a sliding rod and a memory alloy strip are arranged in the containing groove. The sliding rod is arranged in the containing groove in a penetrating mode, and one end of the sliding rod is provided with a sealing structural part. The memory alloy strip is electrified to deform and drives the sliding rod to slide in the extending direction of the containing groove, and the sliding rod drives the sealing structural part to get close to and block the air-bleed hole. Or, the memory alloy strip is powered off to deform and drives the sealing structural part to be far away from the vent hole through the sliding rod, so that the vent hole is opened. The telescopic characteristic of the memory alloy strip is used as a power source, the structure of the air valve is simplified, the size and weight of the air valve are effectively reduced, and the manufacturing cost can be reduced.

A passive measuring instrument for measuring air parameters in a tire and angular velocity of a wheel, comprising a structural element generating a magnetic field on a wheel or a t-type tire; a pressure and temperature sensor generating a magnetic field when the wheel rotates in an external magnetic field, the magnetic field generated by the sensor depending on the air pressure and temperature, respectively; a signal generator mounted near the wheel and generating an external magnetic field, and also generating a voltage in response to the magnetic field action of the structural element, the voltage being used to power the passive components of the measuring instrument and to determine the angular velocity, the signal generator also generating an electrical signal in response to the magnetic field action of the sensor, the electrical signal being used to determine an air parameter; a passive wireless data transmission assembly is electrically coupled to the signal generator that identifies air parameters and angular velocity data and transmits the data to a wireless data display assembly via an audio channel, or to a passive wired data display assembly that forms a circuit with the signal generator.

This invention discloses a non-standard drill pipe loading and unloading jig. It utilizes a clearance notch to avoid the protruding ribs on the drill pipe section surface. The upper surface of the support plate vertically abuts against the drill pipe section, providing support. Compared to using friction generated by clamping to resist the weight of the drill pipe section, this method avoids damage and is well-suited for loading and unloading large drill pipe sections. The support plate extends radially through a pad to abut against the support surface around the drill pipe. The two components are separate, reducing the weight and volume of individual parts. The pad is designed to consist of multiple arc-shaped pads, and the support plate is designed to consist of multiple arc-shaped support blocks. This not only facilitates installation and use but also further reduces the weight and volume of individual components, improving manufacturing, transportation, and use. This non-standard drill pipe loading and unloading jig is not only simple in structure but also effectively addresses the problem of existing drill pipe jigs being unsuitable for large drill pipes with protruding ribs, thus reducing drilling difficulty.

The embodiment of the utility model relates to the technical field of electric appliances, and discloses a driving device and an electric toothbrush. The motor comprises a shell and a rotating shaft with the two ends extending out of the shell. The motor drives the rotating shaft to rotate around the axis in a reciprocating mode in the working state. The air cylinder comprises a cylinder body, an air inlet one-way valve and an air outlet one-way valve, the cylinder body is provided with a moving end, an air inlet and an air outlet, the air inlet one-way valve is arranged at the air inlet, and the air outlet one-way valve is arranged at the air outlet; one end of the rotating shaft is in driving connection with the moving end through the connecting assembly, the rotating shaft drives the moving end to reciprocate to change the volume of a cavity in the cylinder body, when the volume of the cavity in the cylinder body is increased, the air inlet one-way valve is opened to suck air from the air inlet, and when the volume of the cavity in the cylinder body is decreased, the air outlet one-way valve is opened to discharge air from the air outlet. By means of the mode, the driving device can drive the rotating shaft and the air cylinder at the same time only through one motor, and the size and the weight are smaller.