37results about How to "Simple connectivity" patented technology

The invention relates to a rotating and swinging joint module of a robot of single degree of freedom. The joint module is provided with a rotation degree of freedom, and the joint spindle thereof is vertical to the connection axis of the module to form swinging movement. The joint module is matched with a corresponding control system to realize movement or moment control, and joint parts and limiting position are detected by a Hall switch. The rotating and swinging joint module mainly comprises a servo motor and a photoelectric encoder assembly, a disk-type harmonic wave reducer assembly, a harmonic wave reducer output shaft, a motor base, a joint base, a bearing, a shaft cover, an end cover, a pair of bevel gears, a joint spindle and the like, wherein a motor shaft is connected with the wave generator of the harmonic wave reducer through the shaft sleeve, and the output rigid wheel of the harmonic wave reducer is fixedly connected with an output disk; a pair of bevel gears is arranged between the output disk and the joint spindle; the joint spindle is connected with a joint oscillating piece by a trapezoidal key to finally realize movement and power transmission. The module has compact structure and is convenient to connect with other modules or parts and can be combined and built into various robots or other electromechanical systems.

The invention belongs to the technical field of bridge engineering, and in particular relates to a beam bottom overhaul platform capable of spanning bridge piers and obstacle pillars and a use method of the beam bottom overhaul platform. The beam bottom overhaul platform comprises pillar spanning truss trolleys, pier pillar spanning hanging racks, hoisting systems and connecting units, wherein the pillar spanning truss trolleys comprise two pairs of truss trolleys which are positioned on the inner sides of guardrails on two sides of a bridge, are capable of moving in the direction of the bridge and are arranged in symmetry; a plurality of detachable cantilever rods stretch outwards from one side adhering to the guardrails, of each truss trolley; the pier pillar spanning hanging racks are suspended on the cantilever rods on each pair of the truss trolleys through the hoisting systems; adjacent pier pillar spanning hanging racks are connected through the connecting units; the pier pillar spanning hanging racks comprise a plurality of truss units which are arranged in the direction of the bridge; adjacent truss units are in detachable fixed connection. The beam bottom overhaul platform has the advantages of high applicability, simple operation, good security, good economic property, good application prospect and the like.

The invention discloses a battery charging and discharging testing equipment and method. A control module is respectively connected with a switch power supply and an electronic load, and the switch power supply and the electronic load are respectively connected with the two electrodes of a battery to be tested; the switch power supply is turned off, the battery is charged with a constant current by the switch power supply, when a charging voltage is larger than or equal to U1, constant-voltage charging is carried out, and when the charging current is smaller than or equal to I2, the switch power supply is turned off, and stands for T hours; the electronic load is turned on, constant-current discharging is carried out, when the discharging voltage is smaller than or equal to U2, the electronic load is turned off, one testing time is added, the capacity of the battery is calculated, and if the capacity is larger than or equal to M, testing is continuously carried out, and if the capacity is smaller than or equal to M, testing is finished. The battery charging and discharging testing equipment and method aim to overcome defects in the prior art, the battery charging and discharging testing equipment which is composed of components such as the switch power supply, the electronic load and the control module is low in total cost and simple in system manufacturing and is operated through repeated circulating charging and discharging procedures, wherein the components such as the switch power supply, the electronic load and the control module are easy to operate.

The invention relates to a rechargeable battery pack, in particular for an electrical hand tool device, comprising at least two series-connected rechargeable battery cells (20) and / or rechargeable battery cell blocks and an electronics unit having a printed circuit board (14), wherein sheet metal conductors (16) for electrically connecting the series-connected rechargeable battery cells (20) and / or rechargeable battery cell blocks are provided, wherein the sheet metal conductors (16) are connected directly to the printed circuit board (14).

One embodiment of the present invention is a data bridge between publishers and advertisers for sending data from a publisher to an advertiser, which data bridge comprises: a computer system, which computer system includes: (a) an advertiser configurator; (b) a publisher configurator; (c) a configuration data store; (d) a data transfer configurator; (e) a data transfer scheduler; (f) a data transfer engine; (g) a primary data store; (h) a tracking and billing component; and (i) an archiver.

A minitype piezoelectric diaphragm pump comprises a bottom plate, piezoelectric oscillators, a frame body, a diaphragm, a cover plate, a discharge valve and an inlet valve, wherein the diaphragm is separated from a pump cavity and the piezoelectric oscillator, and is driven through the bending deformation of the piezoelectric oscillator to complete the liquid conveying. The minitype piezoelectric diaphragm pump is characterized in that the piezoelectric oscillator is rectangular and adopts a cantilever fixing structure, a bottom plane of a cantilever vibration part of the piezoelectric oscillator is in contact with a mounting supporting plane on the bottom plate in a propping manner to form a supporting structure. The minitype piezoelectric diaphragm pump further comprises the structure that the bottom plane of the cantilever vibration part of the piezoelectric oscillator in non-drive state is in complete contact with the mounting supporting plane of the bottom plate, an embedded cantilever is fixed between the bottom plate and the frame body, the displacement size of the diaphragm is larger than the size of the cantilever vibration part of the piezoelectric oscillator, and the gap size between the diaphragm and the mounting supporting plane is smaller than or equal to the thickness size of the cantilever vibration part of the piezoelectric oscillator. The diaphragm pump has the characteristics of high reliability and flow design controllability.

The invention relates to a device and a method for measuring high-temperature creep volume deformation of rocks. The technical problem that creep volume deformation of a sample cannot be directly measured by an existing device is solved. According to the scheme adopted by the invention, the device for measuring the high-temperature creep volume deformation of the rocks comprises a triaxial test kettle, an axial displacement sensor, a magnetostrictive liquid level meter, a confining pressure control port, a gas loading system, a liquid loading system, a data acquisition and processing system and five control valves. The method comprises the following steps: 1) firstly, connecting all parts; 2) carrying out gas and liquid loading on a confining pressure cavity of the triaxial test kettle, sothat the confining pressure cavity is loaded to the target confining pressure of the sample; 3) applying axial pressure to carry out a creep test under target temperature and pressure, 4) recordinginitial data of the sample in a data acquisition and processing system, setting a data recording interval and carrying out automatic data recording, and 5) calculating high-temperature creep volume deformation and volume strain of the rock sample through a formula according to the recorded data.

The invention discloses an anti-buckling steel plate shear wall with combined vertical seams. The anti-buckling steel plate shear wall comprises a plurality of layers of low-yield point steel plates, and a plurality of groups of vertical seams in different lengths are formed in each of the steel plates. The anti-buckling steel plate shear wall further comprises a constraint component, and the lower part of each of the steel plates is inserted in the constraint component; an antifriction layer is arranged on the surface of each of the steel plates, a cushion block continuously arranged in the horizontal direction is arranged between each of the upper end and the lower end of each of the steel plates and the adjacent steel plate or the constraint component, and the part between each of the steel plates and the adjacent steel plate or the constraint component is filled with mortar; a connecting piece is arranged at each of the upper end and the lower end of the two sides of the shear wall, and connects and fixes the shear wall and a concrete frame beam through a fastening part. The anti-buckling steel plate shear wall disclosed by the invention has the benefits that by utilizing good plastic properties of the low-yield point steel plates, the anti-buckling steel plate shear wall with the structure has better energy dissipation capacity and ductility performance as compared with a traditional steel plate shear wall; by forming the vertical seams in different lengths in each of the low-yield point steel plates, a moderate and major earthquake multi-stage yielding energy dissipation mechanism can be formed, a weak link in the structure is formed, and the effect of a structure fuse is achieved.

The invention relates to a spindle motor, comprising an electric motor (1) having a rotor (2) connected to a threaded spindle (5), the thread thereof engaging with a thread of a spindle nut (6) connected to a piston rod (14), wherein the spindle nut (6) having the piston rod (14) is axially guided in a housing part (15) of the spindle motor (1), wherein a guide part (9) is connected to the spindle nut (6) and the piston rod (14) for axially guiding the same, wherein the threaded spindle (5) is supported by means of bearings at the axial end area thereof facing the electric motor (1) or in a second housing part connected to the first housing part, wherein the threaded spindle (5) is supported on the piston rod (14) by means of a bearing (18) disposed on the threaded spindle (5) at the axial end area thereof facing away from the electric motor (1).

The invention relates to a hydraulic pressure supply control device used for hydraulic fracturing experiments, and an experiment method thereof. The hydraulic pressure supply control device comprises a diaphragm pump, a booster pump, and a water diversion steel cushion; the inlet end of the diaphragm pump is communicated with a water source pipeline; the outlet end of the diaphragm pump is communicated with a outlet end pipeline of the booster pump, and another outlet of the outlet end of the booster pump is communicated with a water diversion channel pipeline of the water diversion steel cushion via a high pressure pipeline; the water diversion steel cushion is detachably arranged on the surface of a test piece in a press machine; the booster pump is used for delivering high pressure liquid obtained via pressure increasing into the test piece via a water diversion channel. Operation of the hydraulic pressure supply control device is simple; continuous, stable, and accurate providing and recording of water pressure can be realized in a large pressure range. In hydraulic fracturing experiments, the hydraulic pressure supply control device can be connected with a single-shaft, a double-shaft, or a three-shaft press machine for test piece hydraulic fracturing; equipment connection and operation are simple; water pressure supply is stable; pressure value can be automatically controlled; detailed recording of pressure value and pressure change is realized; and experiment effect is excellent.

The invention relates to a three-dimensional laser plastic welding processing head which belongs to the field of applications of laser technologies. In order to realize synchronization of laser output and pressure output, realize large-area three-dimensional welding and simultaneously enabling the pressure exerted during welding to be uniform, the three-dimensional laser plastic welding processing head comprises a shell, a cylindrical roller, two pipe shells, two pulleys, four springs and a cylindrical lens, wherein the pipe shells are respectively connected at the two ends of the cylindrical roller, the pulleys are respectively sheathed and embedded on the outer sides of the pipe shells, two springs are fixedly connected on each pulley, the other end of each spring is fixedly connected with the shell, and the cylindrical lens is fixedly embedded at the middle part of the shell. The cylindrical roller is adopted for outputting linear light spots, the springs are mounted on the two sides of the cylindrical roller, the pressure direction and the pressure intensity can be automatically regulated along with fluctuations of a plastic surface, the cylindrical roller is always close to the plastic surface in a precise tangent mode, and the pressure is exerted vertically, thus the high-quality plastic welding can be obtained.

The present invention discloses one kind of special working device for automatic cold forging formation machine, and the device is for automatic feeding, closing mold and demolding. Inside a base seat, there are sliding mold block on mold block seat, fixed mold block on one side of the sliding block, low platform in the middle part of the fixed mold block, spring between the sliding mold block seat and the base seat, valve seat over the fixed mold block, gate passage and other parts.

The invention provides an in-vehicle active noise reduction system which comprises a rotation speed sensor, an active noise reduction controller, a mixer, a power amplifier, an error microphone, a vehicle-mounted speaker, a vehicle-mounted audio processing module, a car CAN interface, a ceiling wiring and a carpet wiring. The rotation speed sensor is connected with the car CAN interface and is connected with the active noise reduction controller through the carpet wiring. The error microphone is arranged on the ceiling and is connected with the active noise reduction controller through the ceiling wiring. The active noise reduction controller is arranged in a vehicle trunk. The active noise reduction controller outputs four active noise reduction acoustic signals. The signals are first output to the mixer, and then are output to the front left interface, the front right interface, the rear left interface, the rear right interface and the ground wire interface of the vehicle-mounted power amplifier through the mixer. The output of the active noise reduction controller is connected with the mixer through the carpet wiring. According to the invention, the transformation of the original vehicle is minimized; the hardware connection and arrangement of the active noise reduction system are simple; and the system is convenient to implement.

The invention provides a multi-adaptability bicharacteristic multidirectional-rotation rocking chair which comprises a chair seat (1) and is characterized in that the bottom of the chair seat (1) is provided with a rocking disc (2); the bottom of the rocking disc (2) is an arc surface (21); the arc surface (21) is a curved surface formed through swing of an arc line (211) with the radius of R1 by using radius R2; the radius R2 and the radius R1 are greater than the distance between a gravity center G (10) and the support surface; the chair seat (1) is composed of a foot rest (3) and a seat frame (4) positioned on an upper end part, a hole group A, a hole group A1 and a hole group A2 are provided on the upper end part of the foot rest (3), a hole group B which is associated to the seat frame (4) is provided at the lower part of the seat frame (4), so that the horizontal position of the seat frame (4) on the foot rest (3) is variable, and the gravity center G (10) can be adjusted to be close to or superposed with a center line X (20) of the rocking disc (2) . The rocking chair has simple position adjusting structure for gravity center, and is suitable for using by individuals with different postures and is easy to be popularized and applied.

The invention relates to a clean gas cabin (10) having an interior that is sealed off from the environment and surrounded by side walls (30, 30.1-30.10). According to the invention at least some of the side walls of the clean gas cabin are formed of one or more structured-core plates (12), in particular one or more honeycomb-core plates, each having two cover plates (12.1, 12.2) and a structured core (12.3), in particular a honeycomb core, arranged therebetween, and that, along a corner of the clean gas cabin, the one cover plate is bent and the other cover plate and the structured core are separated. The construction of the clean gas cabin using structured-core plates leads to a considerable weight reduction of the clean gas cabin.

The invention discloses a cutting element in the dredge system, which comprises the following parts: tooth within a cavity, tooth holder and water supply pipe, wherein the pipe supplies water flow to the near knife-edge; the tooth holder contains a cuspate inserted in the cavity tightly; the tooth holder contains a tooth holder channel and the tooth contains a tooth channel; one end of water supply pipe is matched in the tooth holder channel and the other end is matched in the tooth channel.

The invention provides a mounting method of an elevator. A side face opening of a lifting cage of the elevator is constructed, a protective fence door is provided with an electric appliance interlockswitch with a pushing-pulling rod being matched with a stop block, and thus abnormal opening of an elevator door during operating of the elevator is limited. Connecting and assembling are easy, on-site adjustment and maintenance are facilitated, the situation that when the lifting cage or the protective fence door is not closed, operation starting is conducted, and consequently, persons and materials fall can be effectively prevented, and the controller can control the lifting cage to be started to operate only after the lifting cage and the protective fence door are completely closed, so thatthe effect of safety guaranteeing is achieved.

The invention relates to a metal plate local punching and edge wrapping connection mold and a working method thereof. The mold comprises an upper mold structure and a lower mold structure; the upper mold structure comprises an upper mold assembly and an upper blank holder; the upper mold assembly comprises an upper mold module, a punch and an internal slide block; the upper mold module and the punch can move up and down in the upper blank holder; and the lower mold structure comprises a lower blank holder and a lower mold module. When the upper mold assembly moves down, the punch firstly trimsand bends an upper plate and punches and blanks a lower plate under cooperation of the lower mold module; then, the punch continuously moves down to bend the bent edge of the upper plate again through the internal slide block; and finally, the lower mold module and the upper mold module tightly press the bent edge of the upper plate and the lower plate to finish local punching and edge wrapping connection of the upper plate and the lower plate. The mold can perform single-edge, double-edge and four-edge wrapping connection of one position in metal plates, is not limited on the peripheral edges of the metal plates, and is simple and fast in the punching and edge wrapping connection process and excellent in flexibility.

The invention relates to a flutter model connecting device which is used for connecting a main airfoil in the flutter model with a rudder surface. The flutter model connecting device forms a no-hingestructure and is composed of a plurality of plate springs. The flutter model connecting device is configured in the extending direction of the main airfoil of the model. Two ends of the body part of the plate spring are respectively connected with the main airfoil and the rudder surface. The flutter model connecting device can realize simulation of rudder surface control rigidity and rudder surface rotation model, and furthermore can obtain linear control rigidity, higher rudder surface connecting strength, a relatively simple spring cross section form and a connecting designing form.

The invention relates to an IVF (In-Vitro Fertilization) laboratory liquid nitrogen tank real-time intelligent warning system and a control method. The system comprises a weight detection device, a transmission device and a control device. The weight detection device is used for detecting the real-time weight of a liquid nitrogen tank in an IVF laboratory. The transmission device is used for transmitting the real-time weight of the liquid nitrogen tank in the IVF laboratory detected by the weight detection device to the control device. A software system is built in the control device, and thesoftware system issues a warning according to the real-time weight of the liquid nitrogen tank received by the control device. The system is simple in structure and convenient to use. By using the system, the use process of the whole liquid nitrogen tank can be detected, and the change of the liquid nitrogen tank can be known in real time without manual observation on the site.

The invention relates to a high-temperature and high-pressure rock triaxial experiment device matched with CT online scanning, and belongs to the technical field of rock experiment devices. The experimental device mainly solves the technical problems that an existing experimental device for the CT scanning system is limited in application range, limited in temperature loading range and complex instructure. According to the technical scheme, the invention discloses a high-temperature and high-pressure rock triaxial experimental device matched with CT online scanning. The device comprises a high-temperature and high-pressure triaxial pressure container, an upper axial loading rod, a lower axial loading rod, a base, a confining pressure cavity, an upper circulating water cooling system, a lower circulating water cooling system, an inner heater, a pressure and temperature detection pipeline, a confining pressure inlet, a heat preservation layer, an aluminum-nickel-cobalt magnetic convector and a heating sleeve. The device has the advantages of simple installation and connection, small volume, good pressure and temperature stabilizing effect and the like.

The invention discloses a piercing connecting conductor. The piercing connecting conductor comprises a connecting conductor, wherein the connecting conductor is prepared from a conductive material; the two ends of the connecting conductor are respectively provided with at least one piercing contact; and the piercing contacts are electrically connected with the connecting conductor and used to pierce the insulation layer of a wire under the pressure. Two or more insulated wires can perform insulation joint or tapping without peeling off the insulation layers of the insulated wires in advance or cutting off the insulated wires; and meanwhile, the problems of the prior art such as low carrying current, low pressure resistance, narrow application area, less metal contact pieces and low piercing resistance can be solved simultaneously.

The invention provides a wireless charging equipment receiver and a wireless charging equipment detection system. The wireless charging equipment receiver comprises a digital potentiometer component,an intelligent control component and a wireless receiving component. The intelligent control component is connected with the digital potentiometer component and is used for controlling a resistance ofthe digital potentiometer component. The wireless receiving component is used for receiving a power signal of a wireless transmitting end, converting into a voltage and a current and outputting the voltage and current. The digital potentiometer component is connected with the wireless receiving component and used for receiving voltage and current output of the wireless receiving component. By using the intelligent control component and the digital potentiometer component, load power can be dynamically adjusted, and different tests and power adjustment can be conveniently performed.

The invention discloses a release device for an oil field underground putting tool. The releasing device comprises a releasing short circuit and a driving mechanism, and the releasing short circuit is connected with an underground tool to be put; the underground tool to be put is provided with a fishing head, and the fishing head is inserted into the releasing short circuit; a sliding supporting frame and a ball are arranged in the releasing short circuit; two annular grooves are formed in the inner wall of the releasing short circuit, and radial through holes are formed in the two ends of the sliding supporting frame respectively. According to the release device and release method for the oil field underground putting tool, the problems that the fishing head of an existing releasing device is prone to slipping off from a lock hook, a special tool needs to be used for connecting the underground tool to be put, and a sealing piece of a cable blowout preventer is prone to being damaged are solved. The release device for the oil field underground putting tool is suitable for the underground tool to be put with an outer fishing head and comprises an underground testing tool, a hanger of testing instruments such as an underground temperature and pressure gauge, an underground sampler, a bottom-hole regulator ,a bridge plug tool, a safety valve, a blanking plug, a sliding sleeve, a throttle valve and a manifold oil nozzle. The underground testing tool is used for steel wire operation; the bottom-hole regulator is used for oil extraction production; the bridge plug tool is used for pumping perforation connection; the safety valve, the blanking plug and the sliding sleeve are used for multi-layer fracturing of an immovable string; and testing tools such as the throttle valve, the manifold oil nozzle and the like are matched with a ground metering device for use.

The invention discloses a transformer dust cover for hoisting operation. The dustproof cover comprises four angle steel frames, wherein the frames are connected and fixed through bolts to form a square frame, dustproof windows and glass windows are arranged on all faces of the periphery of the frame, transverse columns are arranged in the middles of the angle steel frames, and dustproof non-wovenfabric is arranged on lower portions of the angle steel frames. The dustproof cover is advantaged in that the dustproof cover is simple in structure, easy to manufacture and connect and convenient touse, the dustproof windows and the glass windows can play a role in dust prevention and observation, a non-woven fabric cover structure is adopted at the joint of the transformer and the dustproof windows, and dust isolation can be effectively guaranteed. The dustproof cover is advantaged in that the movable windows and the windows are adopted, the windows can be opened according to a hoisting point, hoisting is facilitated, and the high requirement for the field environment is met.

The invention relates to a connection arrangement with connecting elements (21) for connecting two adjacent members (12) of a line-routing device (1) made up of members (12) strung together in the longitudinal direction (1). The members (12) each have two side wall segments (3) which are arranged at a distance apart in the transverse direction (q) and which delimit a receiving space (13). In the installed position, the side wall segments (3) are connected via a connecting element (21) to the associated side wall segment (3) of the respectively adjacent member (12). To simplify the structure, the production and the mounting of the line-routing device and to make it easier to clean, there is provision that the connecting elements (21) provided for connecting the side wall segments (3) of twoadjacent members (12) are interconnected at a distance from one another via a crossmember (23) with the formation of a base unit (22) of the connection arrangement (2).

The invention relates to the field of biological electrocardiosignal measurement, in particular to a rotary connection type wire connector. The rotary connection type wire connector comprises a shell,a conductive metal block, a wire, an elastic piece and an opening assembly, wherein the conductive metal block is fixed to the inner bottom face of the shell, one end of the wire is connected with the conductive metal block, one end of the elastic piece is fixed to the inner bottom face of the shell, and the opening assembly is movably connected to the inner top face of the shell. According to the invention, an electrode slice is pressed through the elasticity of the elastic piece, the wire connector and the electrode slice can be connected together only by slightly rotating the wire connector towards one side during operation, and the wire connector is rotated in the opposite direction when separation is needed, so such a mode is simple in connection and separation operation, and extra discomfort to a patient can be avoided.

Apparatus for condensing a drafted fibre sliver in a condensation area after the front roller pair on a drafting unit, where the condensation zone contains a suction element with a sliding surface with at least one suction slit essentially running in the direction of movement of the fibre sliver and a transport belt, which transports the fibre sliver over the sliding surface and which is at leastair-permeable over parts of its surface, characterized by the following features: the transport belt (12), apart from the suction element (11), partially loops round a guide roller (13) placed at a distance from the suction element and flexibly arranged transversely on its axis of rotation, the guide roller (13) in the looping area and the transport belt (12) bear against a drive roller (14) and these are provided with the means to create a defined contact pressure between the guide roller (13) and the drive roller (14).

The invention relates to a gas chamber structure of a non-dispersive infrared gas sensor. The gas chamber structure comprises a gas chamber casing, a transmitting terminal and a receiving terminal, wherein the transmitting terminal and the receiving terminal are connected with two ends of the gas chamber casing, the gas chamber casing is provided with an inlet hole and an outlet hole on the side wall, the transmitting terminal is provided with an infrared light source and a mechanical chopping device arranged in the front of the infrared light source, and the receiving terminal is provided with a high-frequency response infrared detector. The invention further relates to the non-dispersive infrared gas sensor and an operation method thereof. The sensor comprises the gas chamber structure,an inlet joint, an outlet joint, a master control board, an alarm, a display and a gas concentration output interface, wherein the inlet joint and the outlet joint are respectively connected with thegas chamber structure through gas pipes, the master control board is connected with the transmitting terminal and the receiving terminal of the gas chamber through electric cables, the alarm, the display and the gas concentration output interface are connected with the master control board. The mechanically modulated infrared light source and the high-frequency response heat release electric detector are adopted and the whole sensor is of the modular design technically; the gas chamber structure refers to the general straight gas chamber structure; thus, difficulty in production process is low, and capacity in resisting bad environmental influence is high.

The invention discloses a roller conveying device for fruit and vegetable sorting. It includes a chain assembly and a conveying unit, and fruits and vegetables are placed on the conveying unit; the chain assembly includes a transmission chain and a chain support rod, and the transmission chain is on the chain support rod; a conveying unit is installed on each link of the transmission chain; the conveying unit includes an outer roller, Roller frame, pin shaft, rubber bushing, roller shaft and support card seat; two outer rollers are coaxially fixed on both ends of the roller shaft. In the special-shaped hole groove on the top, the axis of the roller shaft is arranged perpendicular to the transmission direction of the transmission chain. on the drive chain. The invention can be used for the transportation, detection, weighing and sorting of fruits and vegetables such as potatoes, citrus and apples, and can effectively avoid damage to the fruits and vegetables.