71results about How to "Rapid disconnection" patented technology

The invention discloses an electric intelligent monitoring drop-out fuse, and relates to the technical field of protection fuses. The electric intelligent monitoring drop-out fuse comprises an insulating pillar and an isolation arc protection device arranged at the top end of the insulating pillar, and further comprises a fuse carrier support installed at the bottom end of the insulating pillar; the fuse carrier is arranged on one side of the insulating support, and the bottom end of the fuse carrier is rotationally connected with the bottom end of the insulating support through a fuse carrier support; the push-pull type driving mechanism is mounted and sleeved on the insulating support column, and drives the fuse carrier to swing in a push-pull manner; the push-pull type driving mechanism is driven by an impact type driving assembly to slide. The opening and closing driving mode of the fuse is improved, push-out is carried out by adopting a concave-convex wheel impact mode, the opening speed is high, rapid disconnection can be realized, meanwhile, a force storage structure is also arranged for storing force and releasing the force during opening and push-out, the impact type driving assembly can be further assisted to apply driving force, the opening speed is further accelerated, and the response speed is high.

The invention relates to the technical field of battery protection, in particular to a UPS (Uninterrupted Power Supply) battery pack with a fireproof function, which comprises a shell, a placement frame and the like, an opening is formed in the front side of the shell; a placement frame is slidably connected in the shell; and a plurality of clapboards are arranged on the placing rack. When a certain battery abnormally heats, the temperature detected by a temperature sensor rapidly rises, at the moment, an electromagnet stops fixing a push block, the push block turns over to push a limiting block away from a first groove, a placement frame and a wiring board are pushed to move forwards through a first elastic piece, and the placement frame and the wiring board are fixed. The abnormal battery is limited by the pushing block which is overturned to be in a transverse state, so that the abnormal battery cannot move forwards along with the placing frame, the intact battery can move forwards along with the placing frame, and after the placing frame is pushed away from the shell by the first elastic piece, the abnormal battery loses the support of the partition plate and falls into the isolation cavity. The abnormal battery is extinguished and cooled through the extinguishment dry powder in the isolation chamber, so that the undamaged battery is prevented from being affected by spontaneous combustion of the abnormal battery.

The invention discloses a switch cabinet electric leakage emergency protection processing device, and belongs to the technical field of switch cabinet electric leakage protection, the switch cabinet electric leakage emergency protection processing device comprises a box body fixedly arranged on the inner bottom surface of a cabinet body, an electric leakage processing assembly is arranged in the box body, and a live wire and a zero wire respectively penetrate through an inlet wire fixing assembly, the electric leakage processing assembly and an outlet wire fixing assembly in sequence; the electric leakage processing assembly comprises an automatic disconnection assembly and a current abnormity triggering assembly, the current abnormity triggering assembly comprises a circular magnetic ring, the peripheral outer wall of the circular magnetic ring is wrapped with a copper wire, the circular magnetic ring is fixedly arranged in the box body and corresponds to the outgoing line fixing assembly, and the live wire and the zero wire both penetrate through the middle of the circular magnetic ring. And the live wire and the zero wire are wound on the circular magnetic ring for one circle. When a small magnetic field is subtracted from a large magnetic field, a magnetic field is cutting a copper wire coil, current is generated in the coil, the current generated by a copper wire flows into the current abnormity triggering assembly, the current abnormity triggering assembly controls the automatic disconnection assembly to disconnect a circuit, and timely power-off protection of the switch cabinet is realized.

The invention discloses a cable connecting device capable of being intelligently monitored. The corresponding ends of the cable connecting device are electrically connected with a power distribution room and a charging pile. The cable connecting device comprises a locking assembly, an indicating assembly, a humidity monitoring assembly, a temperature monitoring assembly, a current monitoring assembly, a connecting device plug and a power supply cable socket matched with the connecting plug, and the locking assembly is arranged on the connecting device plug and used for locking the connecting device plug; the indicating assemblies, the humidity monitoring assemblies, the temperature monitoring assemblies and the current monitoring assemblies are installed on the connecting device plug and the power supply cable socket. A novel cable connecting device is additionally arranged between the wire inlet front end of the molded case circuit breaker of the charging pile machine and the power distribution cable, so that the charging pile can provide charging service for customers at any position in the charging station, and the problems of charging queuing, fuel truck occupation, low utilization rate of charging facilities, waste of charging resources and the like are solved.

The invention relates to the technical field of load switch on-off, in particular to an environment-friendly load switch cabinet parallel type on-off device. Comprising a grounding static contact, a lower branch static contact seat, a load switch movable disconnecting link, a linkage driving structure, a main bus, a branch bus, a miniature vacuum arc-extinguishing device, a sectional bus, a connecting rod sliding guide block, an opening and closing connecting rod, a sliding guide sliding rail, a sliding guide wheel, a sliding guide rotating shaft, a driving supporting rod, a reset spring, a shock absorption cushion block, a switching connecting rod fixing part and a disconnecting link linkage groove. The environment-friendly load switch cabinet parallel connection type on-off device comprises an insulating medium, a switching connecting rod, a first guide sliding groove, a second guide sliding groove, a structural shell, a guide block sliding groove, an opening and closing connecting rod roller and an auxiliary clamping structure. Efficient, safe and environment-friendly on-off of power equipment is realized, and powerful technical support is provided for development of a modern power grid.

The invention discloses a direct-cooling high-temperature superconducting magnet test platform and an assembly method, comprising a refrigerator and an external dewar, wherein the refrigerator comprises a main refrigerator and a secondary refrigerator, wherein the main refrigerator and the secondary refrigerator are respectively connected to a radiation-proof cold shield and a high-temperature superconducting magnet winding through a cooling structure, wherein the high-temperature superconducting magnet winding is composed of a plurality of high-temperature superconducting coils, and the high-temperature superconducting magnet winding is connected to a power-on terminal through a high-temperature superconducting current lead. The direct-cooling high-temperature superconducting magnet test platform and the assembly method can test a plurality of large-size high-temperature superconducting coils at a time without multiple disassembly and assembly, and can also perform directional testing on the power-on coil through an active structure such as a current lead sheath quick-plug terminal, which greatly saves the time required for the magnet to reach the excitation condition to evacuate and cool down, and realizes efficient testing, and the test platform is simple in structure, reliable, easy to operate, and maneuverable to use, providing a platform for multi-coil high-temperature superconducting magnet testing.

The invention relates to a welding material tin wire and a preparation method thereof, and relates to the technical field of brazing. The welding material tin wire comprises a shell made of tin alloy and an inner core made of scaling powder, the shell is arranged outside the inner core in a sleeving mode, a plurality of anti-skid grooves are formed in the outer wall of the shell, each anti-skid groove is spiral, a rotating mechanism is further arranged on the shell and comprises a pushing frame, and the pushing frame is arranged on the outer wall of the shell. The bottom end of the pushing frame extends to form an embedded part, and the embedded part is embedded in one anti-skid groove and abuts against the inner wall of the corresponding anti-skid groove. The welding device has the effect that the probability that the solder wire slips during welding of workers is reduced.

A flywheel control panel detection tool can ensure reliable connection between a motor and a control panel to obtain an accurate test value, and detection personnel can rapidly connect and disconnect a reaction flywheel motor and the control panel. The control panel jig is installed on the base and provided with a sinking groove (31) according to the shape of a control panel, the terminal strip fixing base is connected with the terminal strip connecting block to fix and plug a terminal cable, the terminal strip connecting block is fixed to the steel bar, and the profile is installed behind the base and serves as a support for the pressing clamp to push up and down. The steel bars are arranged on the left side and the right side of the section bar and are connected and fastened with the steel bar fixing plate and the base, the pressing clamp is installed on the pressing clamp installation plate, the pressing clamp installation plate is fixed to the section bar, and the pressing clamp is pushed up and down to enable the linear bearing to slide up and down on the steel bars so as to drive the plug-in terminal cable and the control panel to be plugged in and separated from each other.

The utility model provides a quick winding mechanism of a winding machine, which relates to the field of winding machines and comprises a base and a rotating shaft, a hexagonal pyramid clamping groove is arranged at the top end of the rotating shaft, a circular groove is arranged on the surface of the top of the base, an installation groove is arranged inside the base, and an electric lifting rod is arranged inside the installation groove. The electric lifting rod penetrates out of the center of the circular groove, a connecting rod is fixedly installed at the pushing end of the electric lifting rod, a winding motor is fixedly installed at the end, away from the electric lifting rod, of the connecting rod, a limiting disc is fixedly installed at the output end of the winding motor, and a hexagonal pyramid limiting block is installed in the center of the surface of the bottom end of the limiting disc. The surface, located in the circular groove, of the electric lifting rod is sleeved with a rotating base, an annular rotating disc is installed on the outer surface of the rotating base, and a pair of rotating disc mechanisms are symmetrically installed on the surface of the top end of the annular rotating disc. Therefore, the winding speed of the device is improved.

This utility model relates to the field of power electronics technology, specifically to a DC common bus current limiting and blocking device. It includes an energy storage converter and a DC bus terminal, with a blocking module disposed between the energy storage converter and the DC bus terminal. The blocking module includes multiple blocking units, and the energy storage converter is connected to the blocking units. The blocking units are connected in parallel to each other and connected to the DC bus terminal. This DC common bus current limiting and blocking device can achieve rapid current limiting and isolation when multiple energy storage converters are connected in parallel to the DC bus. It has high response speed and dynamic detection capability, and can effectively avoid the adverse effects of abnormal current caused by faulty equipment on other equipment.

This invention relates to the field of adhesive coating technology and discloses an adhesive coating device for an induction cooker panel, including a base, a linear guide rail on the base, a spray gun fixedly mounted on the linear guide rail, the spray gun including an adhesive supply pipe and a movable nozzle, a back suction valve on the adhesive supply pipe, a fixed pipe connecting the adhesive supply pipe and the movable nozzle, the fixed pipe being fixedly connected to the linear guide rail, a limit cylinder coaxially fixedly mounted on the fixed pipe, the movable nozzle coaxially mounted inside the limit cylinder and connected to the fixed pipe through a cylindrical elastic membrane, a magnet fixedly mounted on the movable nozzle, and a winding coaxially mounted on the limit cylinder; this application achieves rapid stretching and breaking of the adhesive by driving the movable nozzle to rotate circumferentially and causing the elastic membrane to undergo helical torsional deformation, forming an axial tensile force that drives the movable nozzle to move axially, thereby achieving rapid stretching of the adhesive and breaking it. At the same time, combined with the back suction effect of the back suction valve and the pressure-holding design of the elastic membrane, it effectively solves the problem of easy stringing of the adhesive at the end of the coating process.

The utility model belongs to the field of signal lamp, concretely relates to a marine signal lamp, including bottom plate, lamp shade, apron, be provided with the bulb in the lamp shade, be provided with the terminal lug of electric connection with the bulb in the lamp shade, the terminal lug includes terminal box body, two electrically conductive support, two V-shaped spring piece, two wire handle, each V-shaped spring piece one end has the wire pressure arm that buckles on the electrically conductive support, and the wire pressure arm of two V-shaped spring pieces forms two wire pressure cavities with two electrically conductive support, and two wire handle drives the wire pressure arm deformation of two V-shaped spring pieces to open and close wire pressure cavity when rotating, add the terminal lug in the lamp shade, can realize quick wire connection and disconnection, V-shaped spring piece adopts V-shaped structure design, can be in the compact space, with low cost realizes reliable resilience, stable electrical connection, long life, utilizes the sustained pressure of V-shaped spring piece and keeps contact, can effectively prevent the looseness caused by vibration, and the connection is more reliable, can satisfy the use demand of marine vibration environment.

The utility model discloses a copper bar waterproof connector, including electricity connection structure and electricity connection mechanism, the top of electricity connection structure is provided with bolt assembly's waterproof structure, and the inner side of waterproof structure is provided with bolt sleeve's electricity connection mechanism, the electricity connection mechanism contains inside lining baseplate, electricity connection head, flexible cable, accept plug rod, plug rod, insulating base, screw rod, screw drum, shaft seal and spline groove seat, inside lining baseplate sets up the inner bottom side of waterproof structure, the top of inside lining baseplate is provided with electricity connection head, and the top of electricity connection head is provided with flexible cable, one end of flexible cable is provided with accept plug rod, this copper bar waterproof connector utilizes shaft seal and spline groove seat, and the insulating base, screw rod, screw drum of middle axis are in the same straight line and make accept plug rod, plug rod can be closed to reach the operating effect of quick communication and disconnection, and have good security and reduce the accident risk.

The invention relates to the technical field of tea leaf picking robots, in particular to an end execution assembly of an intelligent tea leaf collecting robot, which comprises a transverse transmission frame, a vertical transmission frame, a longitudinal transmission frame and an air cylinder, the execution assembly further comprises a cutting module, a clamping plate, a delay module, a clamping block, a clamping plate, a collecting piece and a pipeline, the cutting module is connected to the lower end of the outer surface of the air cylinder, the clamping plate is connected to the lower end of the cutting module, the delay module is connected to the lower end of the air cylinder, the clamping block is connected to the lower end of the delay module, and the clamping plate is connected with the cutting module. According to the tea leaf picking device, by means of the mode that tea leaves are cut firstly and then picked, after the tea leaves are separated from tea trees, a naturally-torn closing opening is formed through pulling force, stress shaking of branches is effectively reduced, and the quality of the tea leaves is guaranteed.

The present invention discloses a circuit breaker voltage isolation structure, including a circuit board, a bracket, a push plate, a conductive member and a knob rod, wherein the bracket is mounted on the circuit board, the push plate is slidably mounted on the bracket, the conductive member is mounted on the push plate and can conduct the circuit board with an external circuit, the knob rod is rotatably mounted on the circuit board, the knob rod has a cam, and the cam has a top abutting surface at the top; when the top abutting surface of the cam is not in contact with the push plate, the circuit board and the external circuit are not connected; the knob rod is rotated, the cam pushes the push plate to slide on the bracket, and when the top abutting surface of the cam is rotated to abut against the push plate, the conductive member on the push plate moves with the push plate to conduct the circuit board with the external circuit. The present invention provides a circuit breaker voltage isolation structure, which can quickly and accurately disconnect or connect the external circuit and the circuit board, has good conduction synchronization, and is highly safe to use.

The invention discloses an automatic sample separation system and a sample separation method. The automatic sample separation system comprises a working base station; the tail end of the mechanical arm is connected with the actuator, and the actuator is used for grabbing the sample bottle, the pipettor and the bottle cap and transferring a sample or a fixing agent and the like; the quick-change assembly comprises a quick-change mother disc arranged at the tail end of the mechanical arm and a quick-change son disc arranged on the actuator; the weighing device comprises a moving mechanism and a weighing module arranged on the moving mechanism, the moving mechanism controls the weighing module to move to the direct weighing station or the filtering weighing station of the weighing area in a matched mode, and switching between the filtering mode and the non-filtering mode is achieved. The sample separation system is preposed key equipment for automatic analysis and detection, can transfer samples from various sampling bottles with different specifications to a standard container suitable for automatic analysis, solves the compatibility problem of automatic analysis and detection on different sampling modes, supplements important links of an automatic laboratory, improves the automation level of the laboratory, and reduces the labor intensity of workers. And human resources are liberated.

The utility model relates to control valve group field especially, it relates to a control valve group with quick plug -pull structure, including shell assembly, the auxiliary assembly of being connected on shell assembly and the plug -pull assembly of being connected on shell assembly. The utility model provides a control valve group with quick plug -pull structure, has realized the remarkable optimization of control valve group connection and maintenance, has promoted the overall work efficiency and reliability, through plug -pull assembly and auxiliary element, control valve group's assembly and disassembly become extremely convenient, and realized the quick connection and reliable locking between parts, so that the user need not use additional tool, can quickly complete valve group's connection and break, through auxiliary assembly seals each connecting area between valve core, second pipeline and first base respectively, effectively prevented the leakage of fluid, ensured the reliable operation of control valve group, first spring and second spring provided stable connecting force for whole structure, improved the service life of valve group.

The present application relates to an output circuit. The present invention can suppress power consumption, does not cause adverse effects on gate drive, and quickly turns off the output transistor of the p-channel. The present invention includes: an output transistor (MP1) of the p-channel, whose drain is connected to an output terminal; a gate drive circuit (A1) that drives the gate voltage of the output transistor; and a pull-up transistor (NAT) of the n-channel, which is connected to the gate of the output transistor (MP1) and turns on to pull up the gate voltage when the output transistor turns off. The output transistor (MP1) is an enhancement type with a relatively high threshold voltage for turning on, and the pull-up transistor (NAT) is a natural type with a relatively low threshold voltage for turning on.

This utility model relates to the field of relay technology, and provides an anti-arc safety relay for charging piles, including a relay housing and a coil installed at the center of the bottom of the housing; an iron core, which is slidably inserted into a through hole running vertically through the center of the coil; a transmission column, which is installed at the top of the iron core; a moving contact assembly, which is installed at the top of the transmission column; and two arc-extinguishing components, which are symmetrically installed on the left and right side walls near the top of the relay housing. This anti-arc safety relay for charging piles, through the scientific layout of multi-layer arc-extinguishing grids, a fast-rebound disconnection mechanism, and a buffer reset design, can effectively suppress and quickly eliminate the arc generated between the moving and stationary contacts, significantly improving the safety performance and service life of the relay.

The utility model discloses a koji making machine for brewing processing, which comprises a support frame, the support frame is arranged on external equipment, a connecting mechanism is arranged on the support frame, the connecting mechanism comprises a stirring mechanism, a transmission rod, a fixed sleeve, a contraction sleeve, a clamping spring, a push rod, a slide block, a push plate and a moving mechanism, the stirring mechanism is connected on the support frame and the transmission rod in a matched manner, and the fixed sleeve is arranged on the transmission rod. The two transmission rods are arranged, the other transmission rod is connected to external driving equipment, the connecting mechanism provides a flexible and high-adaptability connecting mode, it is ensured that the stirring mechanism can be reliably connected to the transmission rods, and through cooperation of the transmission rods, the fixing sleeves, the shrinkage sleeves, the clamping springs, the push rods, the sliding blocks, the push plates and the moving mechanism, the stirring mechanism can be reliably connected to the transmission rods. The connecting mechanism can realize quick connection and disconnection between the stirring mechanism and the transmission rod, and the design of the transmission rod and the fixing sleeve ensures the flexibility and stability of connection, so that the design not only improves the transmission safety, but also ensures the stability of the koji making machine for wine making processing.

The utility model relates to the technical field of building safety, and discloses a building fireproof electric appliance fixing frame which comprises a first steel plate, a knob is slidably connected in the first steel plate, one end of the knob is fixedly connected with a sliding rod, the outer wall of the sliding rod is slidably connected with a shell, and the outer wall of the sliding rod is fixedly connected with a semicircular block. A conical block is slidably connected to the outer wall of the sliding rod, the outer wall of the conical block is slidably connected to the interior of a shell, a steel ball is arranged in the shell, and the outer wall of the shell is slidably connected to the interior of a third steel plate. According to the steel plate locking device, the sliding rod is moved to drive the circular block and the conical block to move, the conical block slides in the shell, and the first steel plate and the third steel plate are locked through the steel balls, so that the effects of locking and releasing the first steel plate and the third steel plate are achieved, and the problem of rapid installation when the steel plates are fixed is solved.

The utility model relates to a strong acid and strong alkali resistant high pressure quick plug connector, which comprises a connector, a connecting piece, a sealing piece, a pipeline and a limiting piece, the sealing piece is sleeved on the connector, the connecting piece comprises a quick connecting sleeve and a quick connecting sleeve head, the quick connecting sleeve is sleeved on the connector, the quick connecting sleeve head is sleeved on the pipeline, and the limiting piece is sleeved on the pipeline. The quick connecting sleeve on the pipeline is detachably connected with the quick connecting sleeve head on the connector, the connector is sleeved with a sealing piece, the sealing piece is sleeved with a limiting piece, the pipeline is sleeved with a clamping piece, and the clamping piece and the limiting piece are matched to limit the positions of the pipeline and the connector. A first sealing ring, a second sealing ring, a third sealing ring, a fourth sealing ring and a fifth sealing ring are further arranged on the connector, and when the sealing rings at the connecting position of the connector and the pipeline lose efficacy, the connecting position can be sealed through a sealing structure which is arranged in the connecting piece and used for sealing the connector and the pipeline. By means of the structure with the double-sealing measure, quick connection and disconnection are achieved, and meanwhile the air tightness of the connecting position is guaranteed.

The present invention discloses a delayed pre-processing fast breaker and a non-arcing breaking control circuit and method. The breaker is used in a DC circuit. The non-arcing breaking control circuit and method apply the breaker. The breaker includes a DC input terminal and a DC output terminal and a conductive path that can be connected to the DC input terminal and the DC output terminal; the conductive path has a first circuit breaker and a second circuit breaker; the first circuit breaker has a pre-processing structure that is controlled by a pre-processing control signal or a conduction control signal to conduct the first circuit breaker with a high resistance or a low resistance; the second circuit breaker has a breaking structure that is naturally conductive and is controlled by a breaking control signal to disconnect the second circuit breaker. This scheme proposes a new breaker that can perform pre-processing breaking before the main breaking, reduce the voltage at both ends of the main breaking circuit, thereby avoiding the generation of arcs and achieving rapid breaking.

The utility model discloses water purification equipment with a refrigeration function, which comprises a water purification tank, a tank cover arranged on the water purification tank, a fixing device arranged on the outer side of the water purification tank, a refrigerator arranged on one side of the water purification tank, a connecting pipe arranged at the top end of the tank cover, and a quick clamping device connected with one end of the connecting pipe. The quick clamping device comprises a hard pipe, a sleeve, a matching sleeve, a clamping mechanism, a variable-diameter plate and a variable-diameter groove, the matching sleeve is arranged on the outer side of the sleeve in a sleeving mode, the variable-diameter plate is connected into the matching sleeve, the variable-diameter groove is formed in the variable-diameter plate, a sealing mechanism is arranged on the outer side of the hard pipe and comprises a push rod, a push spring, a sliding block, a gasket, a receding groove, a longitudinal groove and a transverse groove, and the push rod is arranged on the outer side of the sleeve. The sliding block is connected into the matching sleeve, the gasket is installed in the sleeve, the receding groove is formed in the side wall of the sleeve, the longitudinal groove is formed in the side wall of the sleeve, and one end of the transverse groove is communicated with the longitudinal groove. According to the device, more efficient, safer and more convenient operation experience can be provided.

This invention discloses a transformer testing device, whose switching mechanism includes: three busbar assemblies for electrical connection to the three-phase bushing terminals of the transformer; two sliding contact assemblies, each comprising multiple slidingly engaged slider contacts spaced apart, with each busbar assembly connected and disconnected via the sliding contact assemblies; and a pushing device for driving the slider contacts of the sliding contact assemblies to move, thereby electrically connecting or disconnecting the slider contacts. Operators can quickly connect and disconnect the transformer terminals by controlling the pushing device. The device is simple in structure and easy to operate. Furthermore, when the switching mechanism is in the closed state, the contact is achieved through the contact of the slider contacts. Compared to a disconnector, the contact between the slider contacts is surface contact, which is more reliable, has a larger contact area, and eliminates the shearing force experienced during disconnection and opening of a disconnector, thus solving the problem of contact surface wear.

The utility model discloses a circuit board with a power-off protection effect. Comprising a circuit board body, a supporting shell arranged on the lower surface of the circuit board body, a temperature sensor fixedly installed on the upper surface of the circuit board body, a negative electrode connecting end fixedly connected to one side of the bottom of the circuit board body, and a positive electrode connecting end fixedly connected to one side of the top of the supporting shell. The fixing assembly is arranged on the upper surface of the supporting shell, the protection mechanism is arranged on the top of the supporting shell, and the fixing assembly comprises a fixing rod, an external thread, a threaded sleeve and a spring. Under the cooperative use of a temperature sensor and a micro cylinder, a rotating gear and a rotating shaft are driven to rotate, and under the rotating action of the gear, a connecting rod and an insulating plate are driven to move upwards, so that the positive and negative contact points of a circuit board body are quickly disconnected, the automation of power-off protection is realized, the complexity of manual operation is reduced, and the working efficiency is improved. And the use safety of the circuit board body is improved.

This utility model relates to a smart glasses, comprising: a frame; temples disposed on the left and right sides of the frame; a connector having a first connecting part and a second connecting part, wherein one end of the first connecting part is fixedly connected to the frame and the other end is rotatably connected to the second connecting part, and the end of the second connecting part away from the first connecting part is fixedly connected to the temple; a control component including a first electronic unit, a second electronic unit, and a third electronic unit, wherein the third electronic unit is an FPC circuit board; an electrical connection device; when the smart glasses are unfolded, the frame and the connector, as well as the temples and the connector, are electrically connected through the electrical connection device. In the smart glasses of this utility model, the temples are rotatably connected to the frame through the connector, reducing the bending of the internal circuitry when the temples are folded; simultaneously, the electrical connection is achieved by replacing cables with an electrical connection device, and the connector has a built-in flexible FPC circuit board, avoiding the problem of rigid cables breaking when the temples are repeatedly unfolded or folded.

The invention provides an RGV rail trolley, and belongs to the technical field of RGVs, the RGV rail trolley comprises a trolley main body and a guide rail, the trolley main body is provided with a conveying mechanism for conveying materials, the trolley main body is composed of a main frame and a mounting shell fixedly mounted on the main frame, and the RGV rail trolley further comprises a clutch structure and an energy storage brake assembly; through cooperative work of the clutch structure, the magnetic coupling structure and the energy storage braking assembly, recycling and braking control of motion kinetic energy of the trolley are achieved, the energy efficiency and stability of the trolley are improved, when a motor stops working, inertia kinetic energy of the trolley is used for generating electricity, electric energy is stored in the electricity storage module for follow-up use, and the energy efficiency and stability of the trolley are improved. Meanwhile, through flexible connection and brake control of the magnetic coupling structure, effective adjustment of the brake distance of the trolley is achieved, the utilization efficiency of energy is improved through the design, and the brake performance and flexibility of the trolley are enhanced.

The invention discloses a mother liquor pipeline automatic butt joint device and a working method thereof.The device comprises a vertical base, a liquid receiving box, a moving assembly, a filter mounting base and a mother liquor pipeline assembly, the moving assembly and the mother liquor pipeline assembly are connected to the vertical base, the filter mounting base is connected with the moving assembly, and the filter mounting base is connected with the mother liquor pipeline assembly; the filter mounting seat is located below the mother liquid pipeline assembly, the liquid receiving box is connected to one side of the vertical seat, and the liquid receiving box is located below the filter mounting seat. By means of the device, automatic butt joint of mother liquor pipelines can be achieved, the connecting and split charging process of the pipelines is simplified, the overall operation efficiency is improved, and the error rate is reduced.

The utility model provides a quick disconnection threaded sleeve structure suitable for a radio frequency connector, which is characterized by comprising a threaded sleeve and a contact pin coaxially distributed in an inner cavity of the threaded sleeve through a supporting piece, one end of the contact pin is used for being connected with a first inner conductor of a first connector in an inserted and matched mode, and the other end of the contact pin is used for being connected with a second inner conductor of a second connector in an inserted and matched mode. One end of the pin is connected with a first inner conductor of a first connector, the other end of the pin can be connected with a second inner conductor of a second connector in an inserted and matched mode, the threaded sleeve is arranged on a first shell of a first connector in a sleeving mode and is in threaded connection with the supporting piece, and a guiding piece only allowing the supporting piece and the first shell to move relatively in the axial direction is arranged between the supporting piece and the first shell. Therefore, the threaded sleeve can be rotated to drive the pin to axially slide, so that the pin can be always connected with one of the first inner conductor and the second inner conductor and can be connected with or disconnected from the other one of the first inner conductor and the second inner conductor. According to the utility model, rapid signal disconnection of the radio frequency connector can be controlled without plugging.