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35results about How to "Small installation volume" patented technology

Automatic rock ballast collecting and conveying device for tunnel undercut treatment

The invention discloses an automatic rock ballast collecting and conveying device for tunnel under-excavation treatment, and belongs to the technical field of tunnel construction.The automatic rock ballast collecting and conveying device comprises a mounting frame body, a conveying mechanism, a rock drilling mechanism and a movement mechanism, and the conveying mechanism comprises a conveying frame body, a conveying belt and a conveying lifting assembly; the rock drilling mechanism comprises a fixing seat, a rock drilling rod and a driving assembly, the rock drilling rod penetrates through the fixing seat and is in sliding fit with the fixing seat, and the driving assembly is arranged on the fixing seat and used for driving the rock drilling rod to reciprocate; the movement mechanism comprises an inner rod, an outer rod, a rotating assembly and a telescopic assembly, the outer rod coaxially sleeves the inner rod, the rotating assembly is arranged on the conveying frame and used for driving the outer rod to rotate, the telescopic assembly is arranged on the outer rod and used for driving the inner rod to move in the axis direction of the telescopic assembly, and the fixing base is installed on the inner rod. The tunnel undercut construction device has the beneficial effects that undercut construction of a tunnel can be conveniently achieved, meanwhile, rock ballast chippings generated in the construction process can be conveniently and rapidly transported out, and the construction efficiency is improved.
Owner:CHINA RAILWAY TUNNEL GROUP CO LTD +1

Ion pump high-voltage power supply

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.
Owner:WUXI GENXINYUE TECH CO LTD

Walking transmission mechanism, walking device and three-dimensional storage robot

InactiveCN119262608AImprove stabilitySmall installation volumeStorage devicesDrive shaftGear wheel
The invention discloses a walking transmission mechanism, a walking device and a three-dimensional storage robot, the walking transmission mechanism comprises a box body and a gear set arranged in the box body, and the gear set comprises a primary rail transmission gear set, a reversing gear set and a secondary rail transmission gear set; the mother rail transmission gear set comprises a driving mother rail gear and a driven mother rail gear which are meshed with each other, the driving mother rail gear serves as a walking power input end, and the driven mother rail gear serves as a first walking power output end; the reversing gear set comprises a reversing output shaft, a reversing input bevel gear and a reversing output bevel gear, the reversing input bevel gear and the reversing output bevel gear are meshed with each other, the reversing input bevel gear is arranged on one side of the driven mother rail gear and keeps static relative to the driven mother rail gear, and the reversing output shaft is connected with the reversing output bevel gear. The sub-rail transmission gear set comprises a driving sub-rail gear and a driven sub-rail gear which are meshed with each other, the driving sub-rail gear is connected with the reversing output shaft, and the driven sub-rail gear is a second walking power output end. According to the invention, the secondary rail transmission shaft and the primary rail transmission shaft can be prevented from being vertically crossed.
Owner:MOCANG (SUZHOU) INTELLIGENT TECH CO LTD

Fan motor mounting structure capable of saving space

The utility model discloses a space-saving fan motor installation structure which comprises a motor support, a fan motor and fan blades, the fan motor comprises a stator and a rotor, the fan blades comprise a hub, the rotor is installed on the inner side of the hub, the stator is installed on the motor support, the motor support is provided with a bearing, and the bearing is connected with the fan motor. The inner ring of the bearing is connected with a rotating shaft, the rotating shaft is connected with the rotor, the inner side of the hub is provided with a mounting groove for mounting the rotor, the rotor is in interference fit with the hub, the rotor shell is provided with a connecting sleeve hole for connecting the rotating shaft, and the rotating shaft is in interference fit with the connecting sleeve hole. A plurality of L-shaped supporting plates abutting against the outer side of the rotor are evenly distributed on the inner side of the hub. The structure is simple, the fan motor is installed on the inner side of the hub, installation is convenient, after the fan motor and the fan blades are connected, the overall size is small, the installation size is small, space resources are saved, and the use experience of consumers is good.
Owner:JIANGMEN KAINA ELECTRONIC TECH CO LTD

Solid-liquid separation device for water quality purification

The utility model discloses a solid-liquid separation device for water quality purification, which comprises a mounting bracket, a mounting cylinder is fixedly mounted on the front side of the mounting bracket, one side of the mounting cylinder is connected with a connecting pipe, a centrifugal pump is mounted at the lower end of the connecting pipe, a filter tank is mounted at the output end of the centrifugal pump, a filter box is mounted in the filter tank, and a water outlet is formed in the filter box. An oblique flow surface is integrally arranged in the filter box, and a drainage filter plate is fixedly mounted on the surface of the oblique flow surface; filtered water enters a filtering tank through a centrifugal pump, a filtering box is installed in the filtering tank, the interior of the filtering box is arranged to be of an inclined face structure, water flows along an inclined flow face and makes contact with drainage filtering plates in the flowing process, and due to the influence of the water flow speed, part of water permeates the drainage filtering plates to the lower-layer drainage filtering plates; a plurality of groups of drainage filter plates are arranged on the inclined flow surface, and the inclined surface is used for carrying out multi-section interception and filtration.
Owner:ZHONGKE ASMAI (JIANGSU) INSPECTION & TESTING CO LTD

Automatic cylindrical material tensioning mechanism

The utility model discloses an automatic cylinder material tensioning mechanism which comprises an inner main shaft, three tensioning round pins are symmetrically connected to the upper end and the lower end of the circumferential outer wall of the tail end of the inner main shaft in a sliding mode at equal intervals around the circumference, a mounting groove is formed in the circumferential outer wall of the inner main shaft, and a round clamping spring is movably connected into the mounting groove. An inner cavity at the tail end of the inner main shaft is movably connected with a tensioning umbrella shaft, and the bottom of the tensioning umbrella shaft is fixedly connected with a test shaft pressure spring; wherein the tail ends of three tensioning round pins are clamped on the outer wall of the circumference of the round clamping spring, the tensioning umbrella shaft is in contact with the tensioning round pins in an expanded state, the outer wall of the top of the inner main shaft is in threaded connection with three limiting screws and an angle torque sensor at equal intervals around the circumference, and the angle torque sensor is fixedly installed on the rotor installation face. And the inner rotor is fixedly connected to the inner wall. The mechanism has the advantages that the two modes of manual operation and automatic production can be met, the mechanism installation size is greatly reduced, and access to an automatic production line is facilitated.
Owner:WUHAN XINGZHIDA AUTOMATION TECH CO LTD

Image processing method, device, electronic device and storage medium

The present disclosure relates to an image processing method, device, electronic device and storage medium, the method comprising: acquiring image data; performing feature point detection on the image data to obtain feature point position information of the captured image; and saving the image data and the feature point position information as a target image. It can be seen that through the technical solution of the embodiment of the present disclosure, the target image generated by the image capturing end carries feature point position information, so that when the image editing end performs special effects processing on the target image, it can directly obtain the feature point position information of the captured image from the target image, without relying on a model file to identify the feature point information of the captured image, thereby reducing the installation volume of the image processing application, thereby saving storage space on the image editing end.
Owner:BEIJING DAJIA INTERNET INFORMATION TECH CO LTD

Heat storage combustion flat single radiant tube device

The utility model belongs to the technical field of combustors, and discloses a heat storage combustion flat single radiant tube device which is provided with a heat storage type combustor and a flame radiation flat single tube, and flames combusted by the heat storage type combustor are jetted in the flame radiation flat single tube. Formed flue gas flows back into the heat accumulating type combustor along the pipe wall of the flame radiation flat single pipe and is exhausted after heat is absorbed by a heat accumulator; the heat storage combustion flat single radiant tube device integrates combustion, heat transfer, smoke exhaust and heat storage, and during working, air and smoke need to be reversed, and fuel does not need to be reversed; the utility model has the beneficial effects of small volume of installation space in the furnace, compact structure, uniform temperature of the radiant tube wall and the like.
Owner:CHANGSHU BURNER FACTORY

Robot welding gun sand blasting type gun cleaning station

The utility model provides a robot welding gun sand blasting type gun cleaning station which comprises a main box body, a sand blasting system, a pneumatic system, an electromagnetic valve control and recovery system and a wire cutting and oil spraying assembly, and the sand blasting system is located at the top of the main box body and connected with the electromagnetic valve control and recovery system. The wire shearing and oil spraying assembly is arranged on one side of the sand blasting system and connected with the pneumatic system, the electromagnetic valve control and recovery system comprises an electromagnetic valve assembly, a main control system and a recovery system, and the electromagnetic valve assembly and the pneumatic system are both arranged on the outer side of the main box body; the recovery system is arranged in the middle of the main box body and located at the bottom of the sand blasting system. The recovery system comprises a sand storage bin, an aerodynamic filter and a recovery and classification integrated bin. According to the gun cleaning station, the aerodynamic filter is additionally arranged, the size is small, the wire cutting and oil spraying assembly is simple in structure, the wire is driven smoothly, the overall structure is optimized, the failure rate is reduced, and the working rhythm is improved.
Owner:GUANGZHOU TAIBAI TECH CO LTD

Lifting control system for logistics trailer

The utility model discloses a lifting control system for a logistics trailer, which comprises a logistics trailer control part and a traction headstock control part communicated with the logistics trailer control part through a signal connecting device, the traction headstock control part comprises a traction controller and a manual operation box, and the logistics trailer control part comprises a push rod control unit; the push rod control unit comprises an ascending loop, a descending loop, an ascending switch and a descending switch, the ascending switch and the descending switch are used for controlling the ascending loop and the descending loop to be connected and disconnected, the ascending switch and the descending switch are in signal communication with the manual operation box, and the push rod control unit is connected with an electric push rod through the ascending loop and the descending loop. The traction vehicle head has no walking function, so that logistics transfer operation can be carried out after cargoes completely leave the ground; when a driver drives the vehicle, the function of a kick switch on the logistics trailer fails, and the vehicle is prevented from rolling the operator during running; when the logistics trailer is dragged, the trailer does not have a reversing function, and safety accidents caused by uncontrollable direction of the trailer are avoided.
Owner:ANHUI HELI CO LTD

Low-power-consumption wireless meter reading remote transmission device

The utility model discloses a low-power-consumption wireless meter reading remote transmission device which comprises a wireless acquisition module for receiving wireless data of an intelligent meter, and further comprises a low-power-consumption MCU (Microprogrammed Control Unit) which is connected with the wireless acquisition module through a first port and is used for receiving the wireless data received by the wireless acquisition module and generating reading information; the wake-up module is connected to the second port of the low-power-consumption MCU and used for receiving a wake-up signal and controlling the low-power-consumption MCU to be switched from the standby state to the working state; the remote transmission module is connected to a third port of the low-power-consumption MCU and used for sending the reading information of the MCU in the working state; and the built-in power supply module is at least connected to the fourth port of the low-power-consumption MCU and is used for supplying power to the wireless acquisition module, the low-power-consumption MCU, the wake-up module and the remote transmission module. According to the utility model, the installation volume of the meter reading device is effectively reduced, the installation steps are simplified, and the manufacturing cost of the meter reading device is also saved.
Owner:GUANGDONG SHUNLI TECH CO LTD

Generator

The utility model discloses a generator which is arranged on working equipment and comprises a shell, an engine, a gasoline pump and an oil pipe, the engine and the oil pipe are located in the shell, and the gasoline pump is connected with the engine through the oil pipe. Wherein the gasoline pump is located outside the shell and connected into an oil tank of the working equipment, and one end of the oil pipe penetrates out of the shell to be connected with the gasoline pump. Compared with the prior art, in the scheme, a mode of externally arranging the gasoline pump is adopted, fuel can be introduced from external working equipment, an oil tank arranged on the generator is directly omitted, namely, the generator is not provided with the oil tank, the weight of the oil tank and the installation size of the oil tank can be directly saved, and miniaturization and light weight of the generator can be achieved; and the power generator can be suitable for different vehicle types, the structure of the power generator is simplified, and the cost of the power generator can be reduced.
Owner:CHONGQING ZONGSHEN GENERAL POWER MACHINE

Universal sliding block assembly and guide rail transmission system

ActiveCN222633655UImprove applicabilityReduce the spacing of symmetrical misalignmentLinear bearingsStructural engineeringControl theory
The utility model discloses a universal sliding block assembly which comprises a fixing plate and two guide wheel assemblies. The two guide wheel assemblies are arranged; a universal connecting structure is arranged between the fixing plate and the guide wheel assemblies, and the universal connecting structure enables the two guide wheel assemblies to rotate under the fixing plate in the plane direction. The fixing plate is further provided with a mounting hole structure. The utility model further discloses a guide rail transmission system. By arranging the universal connecting structure, the guide wheel assembly can be adjusted and changed along with the path of the guide rail, so that the universal sliding block assembly can be used for moving annular guide rails with different radiuses, the applicability of the universal sliding block assembly is improved, the guide rail assembly is tightly attached to the guide rail, and the movement stability is guaranteed. According to the guide rail transmission system, a buffering guide rail is not needed for buffering, the guide rail transmission system of an S-shaped structure can be formed, the symmetrical dislocation distance between the two machining stations is shortened, the installation size is reduced, and the installation applicability of the guide rail transmission system is improved.
Owner:DONGGUAN BAOQI AUTOMATION TECH CO LTD

Purification device for honey processing

The invention belongs to the field of honey purification, and particularly relates to a purification device for honey processing. The invention discloses a honey processing purification device which is integrally mounted, is heated in a waterproof manner and does not affect the treatment efficiency. The honey processing purification device comprises a moving platform, a mounting frame, a mounting container, a preheating part, a filtering part, a pump body, a first connecting pipe, a discharging pipe, a second connecting pipe, a low-temperature concentration tank and the like, a mounting container, a pump body, a low-temperature concentration tank, a condensation pipe and a vacuum pump are sequentially mounted at the top of the movable platform from right to left. All mechanisms for honey purification are mounted on the moving platform, the equipment is convenient to move, purification work is facilitated, the preheating part and the filtering part which are integrally mounted up and down reduce the equipment mounting occupied area, and operation is facilitated; the air pressure in the low-temperature concentration tank is reduced to 20-30 kpa through the vacuum pump, so that the honey can be boiled at the temperature of 45 DEG C or below, and the evaporation speed of the honey water is moderate at the temperature of 45 DEG C.
Owner:赣州职业技术学院

Circuit breaker stroke curve test system and method

The invention discloses a circuit breaker stroke curve test system and method, the test system comprises a stable light source, an emission collimator, a circuit breaker moving part, a receiving collimator, an optical power acquisition loop and a processing unit, the output of the stable light source is connected to the tail part of the emission collimator through an optical fiber, the emission collimator and the receiving collimator are oppositely arranged, and the optical power acquisition loop is connected with the processing unit. A gap for movement of a moving part of the circuit breaker is reserved between the transmitting collimator and the receiving collimator; the tail part of the receiving collimator is connected to an optical power acquisition loop through an optical fiber; and the optical power acquisition loop transmits data to a processing unit. According to the test system and method, the online test of the state of the circuit breaker can be realized. The sensor is not mechanically or electrically connected with a circuit breaker operating mechanism, and has the advantages of high sampling rate, strong anti-interference capability, small installation size and the like.
Owner:NR ELECTRIC CO LTD +1

Self-adjusting backrest of seat

PendingCN119283954ALarge installation volumeSize Installation volumeCarriage/perambulator accessoriesElastic componentBack support
The invention provides a self-adjusting backrest of a seat, which comprises a backrest bracket serving as a supporting and mounting carrier; the backrest body is arranged at the front end of the backrest support and can move front and back, an elastic assembly is arranged between the backrest support and the backrest body, and the elastic assembly enables the backrest body to have a forward movement trend; the main side wings are located on the two sides of the backrest body and hinged to the backrest support; the linkage mechanism is arranged between the backrest body and the main side wings and used for converting front-back movement of the backrest body into front-back rotation of the main side wings and achieving self-adaptive wrapping. The self-adjusting backrest of the seat is compact in structure, low in manufacturing cost, capable of achieving self-adaptive adjustment of the side wings, good in wrapping performance, comfortable and safe to use and wide in application range.
Owner:NINGBO BABI INTELLIGENT TECHNOLOGY CO LTD

Cleaning device and conveying system

The utility model provides a cleaning device and a conveying system and relates to the technical field of cleaning equipment, the cleaning device at least comprises a first cleaning assembly and a second cleaning assembly, the first cleaning assembly comprises a first scraper and a water spraying structure, the first scraper is arranged on a conveying belt in an abutting mode, and the second scraper is arranged on the conveying belt. The water spraying structure is arranged on the downstream of the first scraper and connected with the first scraper; the second cleaning assembly is arranged on the downstream portion of the first cleaning assembly and comprises a second scraper, and the second scraper abuts against the conveying belt. According to the cleaning device, the first scraper, the water spraying structure and the second scraper can be used for cleaning the conveying belt for multiple times, the cleanliness of the conveying belt is remarkably improved, the first scraper is connected with the water spraying structure, the installation size of the first cleaning assembly is reduced, the structure of the cleaning device is more compact, and the cleaning efficiency is improved. Therefore, the device can be better applied to different fields.
Owner:MCC CAPITAL ENGINEERING & RESEARCH INC LTD

Biological recognition intelligent lock

PendingCN119507735AImprove ease of useReduce the difficulty of maintenance and repairElectric permutation locksControl signalControl engineering
The invention discloses a biological recognition intelligent lock which comprises a shell and a spring bolt, and the spring bolt is movably installed in the shell. The shell comprises a first shell and a second shell, and the first shell and the second shell are oppositely matched and connected to form a stable mounting cavity; the spring bolt is movably installed on the first shell. The biological recognition intelligent lock further comprises a driving unit, the driving unit is arranged on the first shell, the control chip is electrically connected with the control end of the driving unit, and the output end of the driving unit is in driving connection with the spring bolt. The second shell is provided with a control panel, and the control panel is arranged on the outer surface of the side, opposite to the first shell, of the second shell. According to the biological recognition intelligent lock, a control signal can be output to the driving unit through the control chip, and the driving unit controls the spring bolt to stretch out and retract relative to the first shell according to the control signal.
Owner:TAISHAN PINGAN HARDWARE PROD CO LTD

A toilet and method of using the same

The application relates to the field of bathroom, and provides a closestool, which comprises a closestool seat, a closestool cover and a closestool rim; the closestool cover and the closestool rim are hinged to the closestool seat, and the closestool cover covers the closestool rim; a flushing cavity and a water storage cavity are arranged in the closestool seat, the flushing cavity is communicated with the water storage cavity, and the water storage cavity is externally connected with a drain pipe; the closestool further comprises a water storage device, a water outlet device and a discharge device; the water storage device for storing flushing water is embedded in the closestool seat and externally connected with a water inlet pipe; the water outlet device is embedded in the closestool seat and is provided with a water inlet end and a water outlet end; the water outlet end is located at a cavity opening of the flushing cavity, and the water inlet end is communicated with the water storage device; the discharge device for providing negative pressure water flow in the water storage device is connected with an inner wall of the water storage device. The application has the effects of reducing occupied space and ensuring stable water pressure. In addition, a using method of the closestool is further provided.
Owner:XIAMEN JIAYU INTELLIGENT SANITARY WARE CO LTD

Segmental beam hanger with pull-wire opening and closing padlock mechanism and construction method thereof

The present invention discloses a segmental beam suspension rod with a pull-wire opening and closing padlock mechanism and a construction method thereof, comprising: a top support; a perforated end, which is located below the top support and has a padlock slot that penetrates laterally at the bottom; a pull rod, which vertically connects the top support and the perforated end; an eccentric padlock, which is arranged in the padlock slot and is hinged to the perforated end through a load-bearing shaft; a pull wire mechanism, which is arranged to adjust the rotation position of the eccentric padlock in the padlock slot; wherein, when the eccentric padlock is rotated to coincide with the padlock slot, the cross-sectional length of the eccentric padlock is less than the diameter of the segmental beam suspension hole, and is in a closed state; when the eccentric padlock is rotated to a position perpendicular to the padlock slot, the cross-sectional length of the eccentric padlock is greater than the diameter of the segmental beam suspension hole, and is in an open state. The present invention realizes the adaptive clamping of the segmental beam suspension rod and the inner cavity of the segmental beam through the cooperation of the perforated end and the eccentric padlock, and adjusts the working state of the eccentric padlock through the pull wire mechanism, thereby improving the lifting construction efficiency and construction quality.
Owner:CCCC SECOND HARBOR ENGINEERING CO LTD

A primary and secondary fusion built-in isolation knife circuit breaker

PendingCN122696584AStable mechanical isolation gapensure safety
The application relates to a primary-secondary fusion built-in isolation knife circuit breaker, which comprises a box body arranged on one side of a pole-mounted circuit breaker, a box cover which is detachably buckled and installed at the top opening of the box body, an isolation knife switch unit arranged in the box body, an electrical connection device arranged on the outer wall of the box body and electrically connected with the isolation knife switch unit, and the electrical connection device being electrically connected with the pole-mounted circuit breaker; a control mechanism is arranged on the front face of the box body, and the control mechanism is used for controlling the opening and closing states of the isolation knife switch unit; when the control mechanism drives the isolation knife switch unit to be in the closed state, the isolation knife switch unit is rotated to be in plug-in conduction with the corresponding static contact; when the control mechanism drives the isolation knife switch unit to be in the open state, the isolation knife switch unit is rotated to the opposite direction to be in plug-in conduction with the corresponding safety device, and reliable isolation is completed; the safety device is connected with a grounding bolt arranged on the side of the box body; and the application has the advantages of reasonable structure, good protection effect, stable and reliable opening and closing operation and guaranteed electrical isolation.
Owner:LINGBAO POWER SUPPLY CO OF STATE

Polishing device for machining parts of numerical control machine tool

The utility model relates to the field of polishing device structures, and discloses a polishing device for machining parts of a numerical control machine tool, which comprises a base, and a cylinder and a motor are fixedly arranged on the base; a placing disc is rotationally arranged in the cylinder, and a to-be-polished part is fixed in the placing disc; an output shaft of the motor is in transmission connection with the placing disc; a sliding plate is slidably arranged in the cylinder; a water tank is fixedly arranged on the sliding plate and fixedly communicated with an atomizing nozzle, and the atomizing nozzle faces the central axis of the cylinder in the radial direction of the cylinder; a rotating shaft is rotationally arranged on the sliding plate and coaxially and fixedly connected with a polishing wheel. The rotating shaft is in transmission fit with an output shaft of the motor through a rotation driving part for driving the rotating shaft to rotate; and a revolution driving part is mounted in the cylinder, is in transmission fit with the rotating shaft and is used for driving the rotating shaft to revolve around the central axis of the cylinder. Sprayed water mist can cool a polishing wheel and a to-be-polished piece and also can wash away chippings and dust, the machine is dual-purpose, the manufacturing cost is reduced, and the installation size is reduced.
Owner:WEIHAI LUHAI PRECISION MASCH CO LTD

Stop valve with manual emergency function

A stop valve with a manual emergency function comprises a valve body, an oil duct is designed in the valve body, one side of the oil duct is communicated with the outside through an oil inlet, and the other side of the oil duct is communicated with the outside through an oil outlet; and a manual throttle valve and an electromagnetic valve are respectively arranged outside the valve body, and the manual throttle valve and the electromagnetic valve are used for manually or automatically disconnecting or connecting the oil duct. According to the stop valve with the manual emergency function, an electric driving mode and a manual driving mode are integrated, and the emergency capacity is improved.
Owner:YICHANG CHEDI TECH CO LTD

Waterproof installation structure of photovoltaic module turn-off device

ActiveCN222637095USmall installation volumeAchieving waterproof propertiesElectric switchesPhotovoltaic energy generationElectric cablesTroffer
The utility model belongs to the technical field of photovoltaic module mounting structures, and particularly relates to a waterproof mounting structure of a photovoltaic module turn-off device, which is characterized in that an upper shell outer wall and an upper shell inner wall as well as a lower shell outer wall and a lower shell inner wall are respectively arranged on an upper shell and a lower shell; the groove of the lower shell outer wall is matched with the protrusion of the upper shell outer wall to form a first waterproof structure, and the upper shell inner wall abuts against the lower shell inner wall to form a second waterproof structure. The shell and the lower shell are further provided with corresponding semicircular notches which are combined to form a wire hole, a cable can be connected with an internal shutoff device main board through the wire hole, meanwhile, a circle of pressing ribs are formed on the inner surfaces of the inner hole and the outer hole, a fastening structure is formed when the upper shell and the lower shell are mutually buckled, effective water prevention is achieved, and meanwhile the cable can be clamped and fixed. And the connection between the cable and the shutoff device mainboard is prevented from being broken by external force. According to the utility model, the structure is simple, the waterproof characteristic is realized through the optimized design of the housing and the direct connection with the cable, the installation volume of the turn-off device is reduced, and the cost is low.
Owner:SHENZHEN DARK ENERGY POWER SUPPLY +1

A high voltage power supply for an ion pump

The present invention discloses an ion pump high-voltage power supply, which belongs to the fields of power supply technology and ion pump technology. The ion pump high-voltage power supply of the present invention includes: a square wave generating circuit, a forward inverter circuit, a voltage doubling circuit, a power management circuit and a high-voltage restart auxiliary circuit. The two voltage doubling circuits for generating positive and negative high voltages of the present invention share a set of converters and transformers, which not only improves efficiency but also reduces the installation volume; by real-time monitoring of the output current of the high-voltage power supply, and shutting off the high voltage when the current is lower than the set threshold, and restarting the high voltage after a period of time, the operating efficiency is further improved; compared with the solution of increasing the battery capacity, the cost of the system can be greatly reduced, and the experimental results show that the high-voltage power supply of the present invention can be continuously operated for more than 30 days when only one 9V dry battery is used, which is significantly improved in the endurance time of the high-voltage power supply compared with the prior art.
Owner:WUXI GENXINYUE TECH CO LTD

Circuit for switching a load circuit with mos transistors and light source, stage light provided with same

This utility model relates to the field of stage lighting, and more specifically, to a circuit using MOSFETs to switch load circuits and a light source or stage light equipped with such a circuit. The circuit includes a first driving terminal, a second driving terminal, several parallel loads, several electronic switch modules corresponding to the lines of each load, and a control module for controlling the electronic switch modules. The control module independently controls the on / off state of the circuit of each load through the electronic switch modules. A closed-loop power supply is formed by the first and second driving terminals. The parallel loads enable independent switching of different effects among the loads. The electronic switch modules control the switching of the lines of each load. The control module sends command signals to each electronic switch module to control the on / off state of the lines of each load, thereby improving the drive utilization rate of the load circuit.
Owner:GUANGZHOU HAOYANG ELECTRONICS CO LTD

Automatic slag removal device for casting blank

The invention discloses an automatic casting blank slag removal device, belongs to the technical field of metallurgy, and aims to improve slag removal efficiency. Comprising a bottom surface slag removal mechanism and a side surface slag removal mechanism, the bottom face slag removing mechanism is located between every two adjacent conveying rollers in the conveying direction of the conveying roller way and installed below the roller face of the conveying roller way. The bottom surface slag removal mechanism comprises a frame body and a bottom brush; the two ends of the frame body are detachably installed on a track frame of the continuous casting machine, the bottom brush is arranged in the longitudinal direction and installed on the frame body, and the top end of the brush body is higher than the roller face of a conveying roller way. The two sides of the conveying path are each provided with a side face slag removing mechanism, each side face slag removing mechanism comprises a support and a side brush, the side brushes are installed on the supports, and brush bodies of the side brushes horizontally face the inner side of the conveying roller way in the longitudinal direction. Through the arrangement of the bottom face slag removing mechanism and the side face slag removing mechanisms on the two sides, slag such as oxide scales on the bottom face and the side faces on the two sides of the casting blank is removed, slag removing is more thorough, the slag on the bottom face and the side faces of the casting blank can be rapidly removed, and the cleaning efficiency is high.
Owner:CHINA 19TH METALLURGICAL CORP

Three-dimensional passive driving system based on magnetic climbing effect and cavity autorotation

The invention belongs to the technical field of passive driving, and relates to a three-dimensional passive driving system based on a magnetic climbing effect and cavity autorotation, which comprises a magnetic suction working unit, a loading moving unit and a control unit. The working magnetic rod is stably attracted to the outer wall of the barrel of the working cavity through static magnetic attraction force formed between the working magnetic rod and the ferromagnetic rod, the magnetic climbing effect is generated by combining limiting of the constraint rod and rotation of the working cavity, three-dimensional passive driving in the sealed environment is achieved, only the simple annular electromagnet is arranged to serve as a direction regulation and control component, and the working efficiency is improved. Meanwhile, permanent magnet static magnetic force serves as basic power in the driving process, short-time power supply is conducted on the electromagnet only in the direction switching process, continuous power consumption is not needed, in addition, stable movement is achieved through cooperation of mechanical limiting of the constraint rod and static magnetic adsorption, complex control algorithm compensation is not needed, and the reliability is high. And when the system is shut down, the working magnetic rod is automatically self-locked under the action of static magnetic adsorption, and the driving precision and the motion repeatability are higher.
Owner:XI AN JIAOTONG UNIV

Direct-current contactor capable of executing high-current breaking for multiple times

ActiveCN224190885UDoes not affect normal closing and closingNo maintenance requiredContact driving mechanismsElectromagnetic relay detailsElectric current flowBreaking capacity
A direct current contactor capable of executing large current breaking for multiple times comprises a shell, a driving system, a contact system, an electronic ignition assembly and a telescopic action execution assembly. The action execution assembly is arranged in the shell corresponding to the movable contact plate; the electronic ignition assembly is arranged at the top of the shell corresponding to the action execution assembly; the electronic ignition assembly comprises an electronic ignition tube shell and at least two electronic ignition tubes, and an exhaust channel communicated with the exterior of the shell is formed in the shell wall of the electronic ignition tube shell. The action execution assembly is in sealing contact with the inner wall of the electronic ignition tube shell, and when the contact system is normally switched on and switched off, one end of the action execution assembly located in the electronic ignition tube shell seals the exhaust channel; in a normal working state, the action execution assembly and the electronic ignition assembly do not act, and the driving system drives the contact plate to move, so that the contact system performs normal opening and closing. Through the multiple independent electronic ignition tubes and the exhaust channels, multiple times of large-current breaking are achieved, and the breaking capacity and the utilization rate of the contactor are improved.
Owner:XIAN ZHONGRONG ELECTRIC CO LTD