46results about How to "Structure does not need to change" patented technology

The invention discloses a grating sensing device based on a Brillouin filter. The grating sensing device comprises a broadband light source, a first circulator, a sensing optical fiber grating, the Brillouin filter, a synchronization signal module, a photoelectric detector and a signal acquisition and processing module. The Brillouin filter comprises an optical fiber section generating the stimulated Brillouin scattering SBS effect, a second circulator and a narrow linewidth tunable light source. Broad spectrum continuous signal light outputted by the broadband light source is outputted to the sensing optical fiber grating through the first circulator, and the reflected light meeting the Bragg's condition of reflection is generated and outputted to the optical fiber section through the first circulator. The narrow linewidth tunable light source outputs frequency sweep light to be outputted to the optical fiber section through the second circulator. The reflected light and the frequency sweep light are reversely transmitted in the optical fiber section to generate the SBS effect, and the amplified reflected light is outputted to demodulate the central reflection wavelength of the sensing optical fiber grating. The invention also discloses a method of the grating sensing device based on the Brillouin filter. The device is simple in structure and high in measurement precision.

The present invention relates to a method which utilizes the conversation controlling and the duration collecting by the DHCP enlarging(hereinafter SESSION DHCP for short). The cores of the present invention are as follows: the precise collections of the conversation maintaining as well as controlling and the online duration of the client are utilized based on the interaction of the DHCPREQUEST message and the DHCPACK message, the DHCPClient and the DHCPServer maintain a communicating conversation by the DHCP agreement message so as to accurately estimate and control whether the DHCPClien is on line and the states information of the logging in as well as the logging out time etc. The present invention is characterized in that: the maintenance of the communicating conversation is completed by the interaction of the standard message of the DHCP agreement, the present invention has no influence and particular requirements to all the devices which supporting the DHCP agreement and only changes as well as optimize the processing flow of the client ends and the serving ends. The present invention realizes the client controlling based on the functions of the conversation maintaining and controlling, and can effectively control as well as apperceive the total on line actions of the clients and realizes the precise duration collecting.

The invention discloses a multi-mode frequency divider based on modularization. The multi-mode frequency divider comprises a multistage frequency division structure, a circuit module for expanding a frequency division range and an input digital control bit module. The multistage frequency division structure is formed by a plurality of divided-by-2 / divided-by-3 frequency division units with the same logic structure, is in series connection with the circuit module for expanding the frequency division range and interacts with logic high and low levels generated by the input digital control bit module to achieve the wide frequency division range. The multi-mode frequency divider based on modularization is formed by cascade connection of the divided-by-2 / divided-by-3 frequency division units with the same logic structure, is simple in structure and is characterized by being modularized; and frequency is reduced along with every stage of unit, and power consumption optimization is facilitated.

The invention discloses an oblique incident laser particle analyzer for realizing the measurement of a full-range (0-180 degrees) scattering angle. The oblique incident laser particle analyzer comprises a laser, a lens group, a sample cell and viewfinders. The oblique incident laser particle analyzer is characterized in that the lens group consists of a front lens and a rear lens which share the same optical axis; the front lens and the rear lens are respectively arranged at the front side and the rear side of the sample cell, so that the center of the sample cell is positioned on the optical axis; the laser is obliquely arranged at the rear side of the rear lens; emitted laser beams pass through the edge part of the rear lens to form parallel light which obliquely enters the center of the sample cell; and the viewfinders comprise a front viewfinder positioned at the front part of the front lens and a rear viewfinder positioned at the rear lens and can be used for receiving a scattering light signal from particles in the sample cell. According to the oblique incident laser particle analyzer, the problems of low sensitivity and resolution caused by narrow range of the scattering angle received by the lenses are solved; and the oblique incident laser particle analyzer has the characteristics of high sensitivity and resolution, high test accuracy, wide range of measuring the particle size distribution, and the like.

The invention discloses a turnover beam capable of automatically turning over and a refrigerator. The turnover beam is arranged on a door body of the refrigerator and is rotatably connected with the door body through a motor and a hinge; the hinge comprises a hinge seat and a hinge shaft, the hinge seat is fixedly arranged on the door body, a rotating shaft hole matched with the hinge shaft is arranged on the turnover beam, the hinge shaft is inserted into the rotating shaft hole of the turnover beam, and the turnover beam can rotate in the horizontal plane around the hinge shaft; the motor comprises a motor body, a motor output shaft and a motor gear, a gear hole matched with the motor gear is formed in the turnover beam, the motor gear is inserted into the gear hole of the turnover beam and is driven to rotate by the motor body so as to drive the turnover beam to synchronously rotate in the horizontal plane, thereby realizing the opening or closing of the turnover beam. Compared with the prior art, the turnover beam has the advantages that the opening or the closing of the turnover beam can be realized by virtue of the clockwise rotation or the anticlockwise rotation of the motor, so that the precision of a turnover position and the reliability of the turnover action are guaranteed.

The invention relates to the technical field of daily necessities, in particular to a healthy nail-clipper capable of collecting clipped nails. The healthy nail-clipper essentially comprises two clipper bodies, a pressing handle, a grinding knife, a connecting pin, a rivet and the like and is characterized by also comprising a nail collecting tank which is arranged between the two clipper bodies; the front end part of the nail collecting tank corresponding to the surfaces of the upper clipper body and the lower clipper body is provided with a space bit, in which the rivet can enter; the volume of the nail collecting tank is not bigger than the volume of a space formed between the upper clipper body and the lower clipper body when the clipper edges of the upper clipper body and the lower clipper body are folded; and an opening or a gap corresponding to the clipper edges of the upper clipper body and the lower clipper body is respectively arranged at the left and the right surfaces of the nail collecting tank close to the clipper edges of the upper clipper body and the lower clipper body and used for the nails to insert. When the nail-clipper works, the clipped nails automatically fall into the nail collecting tank and do not spatter, and the nail collecting tank can centrally clear the collected nails, such as central pouring and the like, thereby being capable of maintaining environmental hygiene and being beautiful and civilized when clipping the nails.

The invention discloses a constant-temperature and constant-humidity unit and an air conditioner. The constant-temperature and constant-humidity unit comprises a unit main body, at least one first airoutlet which exhausts air upwards is arranged on the unit main body, and the constant-temperature and constant-humidity unit further comprises a lateral air outlet structure which is arranged on at least one first air outlet and conducts lateral air guiding on the at least one first air outlet. According to the constant-temperature and constant-humidity unit, only the lateral air outlet structureneeds to be arranged on the first air outlet, the lateral air guiding is carried out on the first air outlet, so that the lateral air exhausting is realized; and the structure of the unit main body does not need to be changed, and the development period and cost are reduced.

The invention relates to a rubber damper and a connecting rod buffering base thereof. By means of material selection and structure design of the rubber damper, the buffering device has a high impact resisting ability, when being affected by impact, shear deformation of the rubber damper occurs, the sticky and elastic characteristic of the rubber material is utilized, moment huge impact energy affected by the system is converted into strain energy, and by means of multiple times of release of the rubber damper, the impact is attenuated. By the adoption of the rubber damper, the buffering performance of the connecting rod structure is achieved, and the rubber damper has the advantages of being simple and stable in structure, high in vibration reducing efficiency and capable of achieving safebreaking.

The invention relates to a drawer opening mechanism; the drawer opening mechanism is arranged between the cabinet body (1) and a drawer (2) of a disinfection cabinet, and is characterized by comprising a screw rod (3) which is located relative to the side wall of the cabinet body (1) and is arranged along the drawing and pulling direction of the drawer (2), a guide rod (7), and a nut (31) and a sliding table (4) which are in threaded connection with the screw rod (3); the sliding table (4) can be slidably arranged on the guide rod (7) in a sliding manner; the sliding table (4) is in driving connection with the drawer (2); the sliding table (4) can be slidably connected with the nut (31); a clutch mechanism (9) used for controlling the linkage between the nut and the sliding table is further arranged between the nut (31) and the sliding table (4); and a motor (6) is in driving connection with the screw rod (3). The manual mode and the automatic mode of the drawer opening mechanism can be freely switched, the structure is compact, and the drawer opening mechanism can be installed in a narrow space.

The present invention relates to a vibration damper with a viscous damper structure for a structural testing machine, and belongs to the field of vibration damping control. The vibration damper comprises a viscous damper, an elastic segment support, a connecting steel plate and a bolt. A viscous damper device is arranged between the lower beam and the base of the structural testing machine; the viscous damper devices are symmetrically arranged around a specimen; the viscous damper device is composed of two parts of the viscous damper and the elastic segment support through the steel plate andthe bolt; the viscous damper device and the specimen are co-stressed until a load is downloaded; and a force sensor is arranged at the lower end of the specimen for measuring the load on the specimen.The invention is provided with the viscous damper device in the test process of a large structural testing machine, and can avoid the vibration problem in the testing machine and the surrounding environment caused by the brittle failure of the specimen. The invention has the advantages of not sharing the load applied by the testing machine and recycle utilization.

The invention discloses a failure-protecting decoupling-type braking mechanism and a control method. The mechanism includes a hydraulic tank, a main cylinder, a hydraulic adjusting device, a wheel cylinder, a braking pedal, a braking pushrod, a transmission mechanism and an external power source; the external power source is used for providing rotating torque for the transmission mechanism; the transmission mechanism includes a turbine, a gear arranged at the same shaft with the turbine, a rack, and a decoupling sleeve arranged at the exterior of the rack in a sleeved mode; upper teeth of the rack mesh with the gear; a rack displacement sensor is installed on the left end of the rack, and is used for measuring the distance between the rack and the inner wall of the decoupling sleeve, so that the braking pushrod does not make contact with the transmission mechanism when the external power source runs normally, and therefore braking decoupling is achieved; on the basis of the achievement of motion decoupling of the braking pedal and the braking main cylinder, the mechanism is provided with an emergency failure-protecting mechanism, has good control flexibility, and at the same time, effectively ensures the safety and reliability of vehicle braking.

The invention discloses an electric opening and closing system and method for a side-opening door body of a refrigerator. The electric opening and closing system comprises a push-pull driver arrangedat the central position of the top of a refrigerator main body and a rotating shaft driver arranged at the position of a hinge rotating shaft at the top of the refrigerator main body, the refrigeratordoor body is provided with a lock catch cooperating with the push-pull driver, the push-pull driver comprises a push-pull driver shell, a push rod, a first driving motor, a first worm, a gear set, aspring and a telescopic buckle, the telescopic buckle can extend into the lock catch; a flexible convex claw is arranged on the push rod; a groove I and a groove II are formed in the telescopic buckle; a limiting protrusion is arranged at the bottom of the telescopic buckle, the bottom end of the limiting protrusion can abut against a shell protrusion on the push-pull driver shell; the front end of the telescopic buckle is of a fork-shaped structure, one fork-shaped structure is a flexible inverted buckle; and the gear set comprises a push rod gear meshed with the push rod, and missing teeth are arranged on the push rod gear. The electric opening and closing system and method for the side-opening door body of the refrigerator can still keep the self-locking function of the refrigerator, door opening and closing are slow and soft, and the user experience is good.

The invention discloses a balancing system of a supercalender and belongs to the technical field of papermaking equipment. The balancing system is characterized by comprising a calender bowl unit and a gravity balancing system, wherein a guide mechanism is arranged on a supercalender rack (1); a plurality of calender bowls are mounted on the guide mechanism in a vertical slidable manner; a fixing part of the gravity balancing system is mounted on the supercalender rack (1), a traction part of the gravity balancing system is connected with the calender bowl unit, and the gravity balancing system is used for balancing the gravity of the calender bowl unit. The gravity balancing system of the balancing system of the supercalender can balance the weight of the calender bowl unit, so that pressure of a lower pressure area and pressure of an upper pressure area of the supercalender on a paper web are equal, and the difference between two sides of the paper web is reduced greatly; the guide mechanism enables the calender bowl unit to move linearly, so that the moving space of the calender bowl unit changes little, and few intermediate problems in processing and operation processes are caused.

The invention provides an engine air-cooling system and a vehicle with the same. The engine air-cooling system comprises an engine compartment, an engine and a flow guide structure; the engine compartment is provided with an engine compartment air inlet; the engine is arranged in the engine compartment, the engine comprises an engine body, and an exhaust pipe and a supercharger are arranged on the engine body; and the flow guide structure is arranged in the engine compartment, the flow guide structure is provided with a flow guide channel, and the flow guide channel is communicated with the engine compartment air inlet, so that airflow from the engine compartment air inlet is guided to the exhaust pipe and the supercharger, and the temperature of the exhaust pipe and the temperature of the supercharger are reduced. According to the engine air-cooling system and the vehicle with the same provided by the technical schemes, by arranging the flow guide structure, the airflow passes through the exhaust pipe and the supercharger, the surfaces of the exhaust pipe and the supercharger are cooled, and cooling of the surfaces of the exhaust pipe and the supercharger is achieved. Compared with the prior art, the original structure of the engine compartment does not need to be changed, heat insulation materials do not need to be used, and the production and manufacturing cost is reduced.

The invention provides a glasses leg which comprises a leg body, a glasses brush, a clean box and an end cover, wherein the leg body is hollow; the tail end of the leg body, which corresponds to the end mounted on a glasses frame, is closed; the end of the leg body, which is mounted on the glasses frame, is open; the leg body is made of soft elastic material; the clean box adopts the structure of a hollow barrel, and is mounted at the tail end of the leg body, and comprises a baffle; through holes communicated with the clean box are formed in the baffle; the baffle is mounted at the opening of the clean box and covers the opening of the clean box; the glasses brush is mounted on the clean box and propped against the baffle; the end cover is matched with the leg body, and buckled on the leg body, and covers the glasses brush. The glasses leg provided by the invention has the advantages that the structure is simple, the use is convenient, the lens can be cleaned anytime and anywhere, the glasses cleaning can be maintained, meanwhile, since the leg body is made of the soft elastic material, the leg body can be mounted on most glasses frames, and the structures of the glasses frames are not required to be changed.

The invention belongs to the technical field of electronic circuits, and provides a multi-power supply switching circuit which is characterized by comprising the following steps: (1) a power supply VH obtained by connecting a power supply VDD and a backup power supply VBAK in parallel through a diode supplies power to a band-gap voltage reference, a hysteresis comparator and a gating control circuit; (2) designing a band-gap voltage reference to obtain a voltage VREF, and providing a stable reference voltage for a post-stage comparator and an LDO (Low Dropout Regulator) circuit; (3) designing a hysteresis comparator, adjusting a divider resistor according to a switching threshold to perform voltage division on VDD, and comparing with VREF to obtain a gating control signal; (4) designing a gating control circuit, utilizing a control signal sw obtained by a hysteresis comparator to obtain a gating control signal sw1 after level shift boosting, and gating a power supply to obtain a power supply voltage VS; and (5) an LDO circuit is designed according to the power supply voltage of a post-stage circuit, and the gated power supply VS supplies power to the LDO to obtain stable output voltage VCORE.

The invention discloses a complete decoupling type braking system with a fail-safe function and a control method. The braking system comprises a hydraulic tank, a main cylinder, a hydraulic adjusting device and wheel cylinders. Two outlets of the hydraulic tank are communicated with two oil supply holes of the main cylinder through pipelines respectively, and two liquid discharge holes of the main cylinder are communicated with the wheel cylinders through the hydraulic adjusting device respectively; the complete decoupling type braking system with the fail-safe function further comprises a brake pedal, a brake push rod, a transmission mechanism and an external power source. The external power source is used for supplying driving torque for the transmission mechanism; one side of the brake pedal is provided with a brake pedal displacement sensor which is used for judging requirements of total braking force. On the basis that movement decoupling of the brake pedal and the brake main cylinder is achieved, the system is provided with an emergency fail-safe mechanism, and the car braking safety and reliability are effectively guaranteed while good control flexibility is achieved.

The invention discloses a driving method for plasma which comprises: displaying according to subfield, dividing each field wave shape into a plurality of subfield wave shape and a erasing period wave shape ; each subfield wave shape includes resetting period, addressing period and maintaining period, employing different Y electrode resetting period driving wave shape for displaying bright images or dark images; erasing period Y electrode of each field wave shape is descending oblique wave voltage and all subfields have the same addressing period driving wave shape; each subfield maintaining period has the same wave shape, and has different amount of maintaining pulse according to each subfield weight.

The invention provides a detachable assembly-type road steel bridge carrying and erecting vehicle. The detachable assembly-type road steel bridge carrying and erecting vehicle comprises a front raising roller assembly, a middle raising roller assembly, side raising roller assemblies, a vehicle body and a raising plate assembly; the front raising roller assembly stretches across two forks of the vehicle body, and is installed at the front side of the vehicle body along a horizontal direction; the middle raising roller assembly stretches across the two forks of the vehicle body, and is installed at the middle side of the vehicle body along a vertical direction; the two side raising roller assemblies are respectively installed on the two forks of the vehicle body along a longitudinal direction, and are respectively installed at two sides of the vehicle body; and the raising plate assembly is installed at the rear side of the vehicle body. Compared with the prior art, a majority of assemblies are of a detachable structure and installed on the vehicle body, and no structure of an original forklift truck needs to be changed; by adopting a modularized design method, a majority of components in most assemblies are universal, so that more easiness in maintenance and guarantee can be realized; and the structure of the carrying and erecting vehicle is adjustable, so that the application range is greatly enlarged, and an ultra-low pose operation can be completed.

The invention discloses an automobile lamp communication brake system, which relates to the field of automobile risk avoidance. The automobile is provided with a front camera, a rear camera, a CAN module, an automobile machine system and an AEB system, and further comprises a main control MCU, a photoelectric sensor, a front modulation module, a rear modulation module and a rear brake lamp drivingmodule. The automobile lamp and the photoelectric sensor are used for communicating the front automobile with the rear automobile through optical signals, when the front automobile brakes, deceleration of the rear automobile can be coordinated, a driver is reminded to pay attention, rear-end collision of the rear automobile is avoided, safety accidents are reduced, the structure of the automobiledoes not need to be changed, meanwhile, configuration of the automobile is greatly utilized, and installation and use cost is low.

The invention discloses a driving method for plasma which comprises: displaying according to subfield, dividing each field wave shape into a plurality of subfield wave shape and a erasing period wave shape ; each subfield wave shape includes resetting period, addressing period and maintaining period, employing different Y electrode resetting period driving wave shape for displaying bright images or dark images; erasing period Y electrode of each field wave shape is descending oblique wave voltage and all subfields have the same addressing period driving wave shape; each subfield maintaining period has the same wave shape, and has different amount of maintaining pulse according to each subfield weight.

The invention discloses a grating sensing device based on a Brillouin filter. The grating sensing device comprises a broadband light source, a first circulator, a sensing optical fiber grating, the Brillouin filter, a synchronization signal module, a photoelectric detector and a signal acquisition and processing module. The Brillouin filter comprises an optical fiber section generating the stimulated Brillouin scattering SBS effect, a second circulator and a narrow linewidth tunable light source. Broad spectrum continuous signal light outputted by the broadband light source is outputted to the sensing optical fiber grating through the first circulator, and the reflected light meeting the Bragg's condition of reflection is generated and outputted to the optical fiber section through the first circulator. The narrow linewidth tunable light source outputs frequency sweep light to be outputted to the optical fiber section through the second circulator. The reflected light and the frequency sweep light are reversely transmitted in the optical fiber section to generate the SBS effect, and the amplified reflected light is outputted to demodulate the central reflection wavelength of the sensing optical fiber grating. The invention also discloses a method of the grating sensing device based on the Brillouin filter. The device is simple in structure and high in measurement precision.

The invention provides a detachable highway steel bridge carrying and erecting vehicle for cross beam installation. The detachable highway steel bridge carrying and erecting vehicle comprises laterally arranged lifting roller components, a vehicle body and a lifting plate component. The two laterally arranged lifting roller components are detachable, are adjustable in position and are installed on two forks of the vehicle body in the longitudinal directions respectively and installed on two sides of the vehicle body. The lifting plate component is detachable, is adjustable in position and is installed on the rear side of the vehicle body. Compared with the prior art, most of the components are of detachable structures, and any structure of an original forklift is not needed to be changed. Most of members in the components are universal and are easy to maintain and ensure. The erecting vehicle is adjustable in structure and can complete ultralow-posture operation. Guiding rollers are replaced by detachable retainer rings, the operating flexibility is improved, and the retainer rings can be adjusted in position as required and can be suitable for different specifications and sizes of cross beams. A front-arranged lifting roller component is added to the vehicle body, the labor intensity can be reduced, and the postures of devices such as trusses can be also ensured.

The invention discloses a knowledge graph construction method, device and system and a computer readable storage medium. The method comprises the following steps: acquiring an ontology, an ontology association relationship and an instance identifier corresponding to an instance belonging to the ontology in a network according to equipment information; determining an instance and a corresponding table structure according to the production database, and obtaining a table identifier corresponding to the instance based on the instance and the corresponding table structure; the table structure comprises instance attributes and attribute values; establishing a knowledge graph according to the ontology, the ontology association relationship, the instance identifier corresponding to the ontology and the table identifier corresponding to the instance, wherein the knowledge graph comprises the affiliation relationship between the table identifier and the ontology; the graph in the established knowledge graph can be synchronized with the production database, the structure of the production database does not need to be changed, and the query efficiency is high.

The invention provides a detachable highway steel bridge carrying and erecting vehicle of average height installation. The vehicle comprises a middle lifting roller assembly, a vehicle body and a lifting plate assembly; the middle lifting roller assembly is detachable and the position is adjustable, two forks crossing the vehicle body is horizontally installed in the middle of the vehicle body in the vertical direction; the lifting plate assembly mounted behind the vehicle body is detachable and the position is adjustable. Compared with the prior art, most of the components are detachable and it is not necessary to change any structures of the existing forklift; modular design is adopted, most of the components in assemblies is in common use and easy to maintain and manage; the structure of the erecting vehicle is adjustable, which is capable of completing ultralow posture work; a guider roller is replaced by a detachable retainer ring and therefore the work flexibility is increased. And the retainer ring can adjust position according to the need and is suitable for beams with various specifications and sizes; after the vehicle body is additionally provided with a front lifting roller assembly, the labor intensity is reduced and posture of devices including a truss and the like can be guaranteed.

The invention discloses an oblique incident laser particle analyzer for realizing the measurement of a full-range (0-180 degrees) scattering angle. The oblique incident laser particle analyzer comprises a laser, a lens group, a sample cell and viewfinders. The oblique incident laser particle analyzer is characterized in that the lens group consists of a front lens and a rear lens which share the same optical axis; the front lens and the rear lens are respectively arranged at the front side and the rear side of the sample cell, so that the center of the sample cell is positioned on the optical axis; the laser is obliquely arranged at the rear side of the rear lens; emitted laser beams pass through the edge part of the rear lens to form parallel light which obliquely enters the center of the sample cell; and the viewfinders comprise a front viewfinder positioned at the front part of the front lens and a rear viewfinder positioned at the rear lens and can be used for receiving a scattering light signal from particles in the sample cell. According to the oblique incident laser particle analyzer, the problems of low sensitivity and resolution caused by narrow range of the scattering angle received by the lenses are solved; and the oblique incident laser particle analyzer has the characteristics of high sensitivity and resolution, high test accuracy, wide range of measuring the particle size distribution, and the like.

The invention discloses a refrigerator with a special maternal and infant zone, and relates to the technical field of refrigerators. The refrigerator comprises an independent temperature control system, a sealed cavity for storing maternal and infant food, and a sterilization device. The independent temperature control system comprises an air duct arranged in a refrigerator body; and the air duct is connected with a plurality of air outlets and a plurality of air return ports. The sealed cavity is provided with a circulating air path groove along the outer surface of the sealed cavity; the inlet and outlet ends of the circulating air path groove are communicated with the air outlets and the air return ports respectively; the sealed cavity is arranged in a refrigerator refrigerating chamber or partial freezing chamber or freezing chamber in the refrigerator body; the sealed cavity further comprises an upper cover and a drawer; and circulating air sequentially flows through the air outlets, the top of the sealed cavity, the side part of the sealed cavity and the bottom of the sealed cavity from the air duct and then returns to the air return ports to form an encircling circulating air path. The sterilization device comprises a generation end and a release end. By arranging the encircling circulating air path, the problems that the temperature and humidity change in an existing refrigerator is large, the nutrition of maternal and infant food is difficult to efficiently retain, and the maternal and infant food is liable to be contaminated are solved.

A fastening conductive mechanism convenient to operate and used for assembling an aluminum electrolysis anode carbon block comprises an electrolyte protection plate, an aluminum guide rod, a threaded screw rod and a conductive pressing plate. The aluminum guide rod is arranged at the top of the electrolyte protection plate; a strip-shaped groove is formed in the bottom of the electrolyte protection plate and is used for accommodating a clamping part of the anode carbon block; pressing plate holes are respectively formed in two side walls of the strip-shaped groove; the conductive pressing plate is arranged at the position of the pressing plate hole; the conductive pressing plate is conductively connected with the electrolyte protection plate through a conductor; the threaded screw rod is arranged on the electrolyte protection plate, and a threaded sliding sleeve is arranged on the threaded screw rod; a connecting rod structure is arranged on the electrolyte protection plate, one end of the connecting rod structure is connected with the threaded sliding sleeve, and the other end of the connecting rod structure is connected with the conductive pressing plate; when the threaded screw rotates forwards or reversely, the threaded sliding sleeve is driven to move in the axial direction of the threaded screw, and the conductive pressing plate is driven to press or loosen the clamping part of the anode carbon block through the connecting rod structure.