2257results about How to "Novel structure" patented technology

The invention relates to a cut-to-size saw, and belongs to the technical field of wood-working machinery. The cut-to-size saw comprises a cut-to-size saw body which is provided with a workbench, a material pressing mechanism used for pressing and positioning a plate on the workbench, and a saw cutting mechanism used for conducting saw cutting operation on the plate located on the workbench. The side leaning and labeling mechanism is located above the workbench, and the side leaning and labeling mechanism is used for carrying out side leaning and labeling operation on the plates located on the workbench; and the plate pushing mechanism is located on one side of the cut-to-size saw body, connected with the workbench and used for pushing the plates to the workbench. According to the scheme provided by the invention, the structure is novel, the automation degree is high, and the plate machining efficiency and the saw cutting precision can be improved.

The invention relates to the technical field of oil and gas well exploitation, in particular to a jet flow drainage device in a deep well gas production pipe column and a using method. According to the technical scheme, a pressure-controlled switch jet suction pump and a reverse circulation drainage pump are connected and lowered into an oil pipe through a small-diameter oil pipe, the pressure-controlled switch jet suction pump is located on the upper middle portion of an oil-gas well, the reverse circulation drainage pump is located on the lower portion of the oil-gas well, a packer is installed below the reverse circulation drainage pump, and a check valve is installed at the bottom of the reverse circulation drainage pump; high-pressure gas is injected into the small-diameter oil pipe, water in a pipe column on the upper portion of the pressure-controlled switch jet flow suction pump is discharged, and after emptying, the sliding sleeve moves to close the mixed liquid outlet; then high-pressure gas is injected into an annular space between a casing pipe and an oil pipe, water in a pipe column on the upper portion of a reverse circulation drainage pump is drained, liquid in the pipe column is lifted through multi-stage relay jet flow, well bottom accumulated water and water stored in the pipe column are drained to the ground, the well bottom back pressure is effectively reduced, water blocking and water locking are relieved, and the gas well productivity is recovered.

The invention relates to the technical field of energy materials, and discloses a self-assembled low-crystallization nanoflower-shaped polyoxometallate catalyst and a preparation method and application thereof.The preparation method comprises the steps that firstly, cobalt nitrate hexahydrate, iron nitrate nonahydrate, CH4N2O and Finke Co are used as raw materials, Finke Co and Fe < 3 + > are grown on nickel foam in situ, then the Finke Co and Fe < 3 + > react with ZIF-67 (Co), and a Finke Co-FeCoNi precursor with a stable structure is prepared; finally, the precursor is subjected to vulcanization, and the nano flower-shaped polyoxometallate catalyst Finke Co-FeCoNi / S is obtained. According to the preparation method, Finke Co is added, so that the crystallinity of the catalyst material is reduced, the catalyst material is assembled into a nanoflower-shaped structure, the low crystallinity can provide more coordinated unsaturated sites and improve the conductivity, and the nanoflower-shaped form exposes more defect sites, so that the reaction contact area is increased, and the catalytic activity is improved.

The invention belongs to the technical field of antibacterial drugs, and discloses a coumarin thioether pleuromutilin derivative and application thereof.The coumarin thioether pleuromutilin derivative is a compound with the structure shown in the formula I and pharmaceutically acceptable salt of the compound, and in the formula, R1 and R2 are H, OMe, NO2, NH2, Me, F, Cl or Br. The antibacterial agent is novel in structure and has excellent antibacterial activity. In-vitro antibacterial experiment results show that all the compounds have antibacterial effects superior to that of tiamulin, most of the compounds have antibacterial effects equivalent to that of control valnemulin, and the compound has a significant effect on five gram-positive bacteria staphylococcus aureus drug-resistant strains ATCC 33591 and ATCC 43300, staphylococcus aureus sensitive strains ATCC 2913, staphylococcus epidermidis drug-resistant strains ATCC 51625, staphylococcus epidermidis sensitive strains ATCC 12228, staphylococcus aureus drug-resistant strains ATCC 51625, staphylococcus aureus sensitive strains ATCC 12228, staphylococcus aureus drug-resistant strains ATCC 51625 and staphylococcus aureus sensitive strains ATCC 12228. Wherein the bacteriostatic activities of the nine compounds are less than or equal to 0.062 mu g.mL <-1 >. The compound is expected to be applied to treatment of bacterial infection caused by staphylococcus aureus, and a new choice is provided for anti-infection drugs.

The invention provides a folate receptor targeting small molecule compound, a preparation method, a composition and application. Specifically provided is a compound represented by formula I or a pharmaceutically acceptable salt thereof. The compound or the pharmaceutically acceptable salt thereof provided by the invention can be used as a small-molecule targeting fluorescence contrast agent for assisting surgical treatment, has the advantages of novel structure, good solubility, small steric hindrance and strong targeting property, can obviously improve the view field of tumor surgery, and is beneficial to efficiently and accurately implementing excision of pathological tissues such as tumor tissues, boundary tissues and the like. # imgabs0 #

The utility model discloses packaging equipment for self-curing packaging materials, which comprises a feeding device, a bag receiving device and a material transferring device, and the feeding device can convey the self-curing packaging materials to be packaged; the bag receiving device is provided with a bag receiving mechanism capable of receiving packaging bags and a bag opening mechanism connected with the bag receiving mechanism and capable of opening bag openings of the packaging bags. The material transferring device is provided with a plurality of material transferring mechanisms and a main driving mechanism connected with the material transferring mechanisms, and the main driving mechanism can drive the material transferring mechanisms to move to the discharging side of the feeding device one by one so as to bear the self-curing packing materials conveyed by the feeding device. The main driving mechanism can further drive the transfer material mechanisms bearing the self-curing packing materials to move to the feeding side of the bag receiving mechanism one by one so as to feed the self-curing packing materials into the packing bags. The packaging equipment is novel, reasonable and simple in structure, high in automation degree, easy to control and good in control flexibility, the production efficiency can be greatly improved, and the labor intensity and the labor cost can be reduced.

The invention discloses a magnetic buckle and a kettle device, the kettle device comprises a kettle main body and the magnetic buckle, the magnetic buckle comprises a male buckle and a female buckle, a rotatable unlocking operation piece is arranged in the female buckle, and the male buckle and the female buckle can be driven to be disengaged through the unlocking operation piece; the female buckle can be fixedly arranged on the kettle body or detachably connected with the kettle body, and the male buckle is used for being fixed to a using place. According to the kettle device, hanging and dismounting of the kettle body are achieved through detachable connection of the male buckle and the female buckle, the force application direction of the unlocking operation is conducted in the direction away from the male buckle and is consistent with the gripping force direction when a user grips the kettle, and therefore unlocking can be conducted while the kettle is gripped, the action is completed at one time, and the user experience is improved. And the kettle main body can be taken down from a use place without excessive actions, so that the operation is very humanized, the practicability is very high, and the kettle is suitable for being vigorously popularized.

The invention relates to the technical field of surfactants, and discloses a preparation method of a modified polycarboxylate surfactant and application of the modified polycarboxylate surfactant in pesticide preparations. 3-hexene-1, 6-diamine and epoxy chloropropane are used as raw materials, 1, 6-tetraglycidylamine-3-hexene is obtained through ring-opening and ring-closing reactions, 1, 6-tetraglycidylamine-3-hexene is utilized twice, and the yield of the 1, 6-tetraglycidylamine-3-hexene is increased. The preparation method comprises the following steps: sequentially reacting 2, 3, 4, 6-tetraglycidylamine-3-hexene with sodium hydrogen sulfite and phosphoric acid to obtain tetrasulfonate hexene and tetraphosphate hexene, and copolymerizing the tetrasulfonate hexene and the tetraphosphate hexene with acrylic acid and methacrylate to obtain the modified polycarboxylate surfactant. The modified polycarboxylate surfactant prepared by the preparation method disclosed by the invention has excellent dispersing performance, heat storage stability and relatively high suspension rate.

The utility model discloses a rocket type catching net launching device which comprises gun barrels, gas bombs, a percussion mechanism, a catching net, a cartridge receiver and a folding telescopic rod, the gas bombs are arranged in the corresponding gun barrels, the percussion mechanism is arranged at the tail ends of the gun barrels, the catching net is connected with the gas bombs, and a fixing part is fixedly installed at the front end of an inner cavity of the cartridge receiver. The tail end of the gun barrel is detachably installed on the front side of the fixing component, and the folding telescopic rod is arranged at the front end of the gun barrel. The high-pressure gas cylinder is adopted as launching power, compared with power sources such as ammunition and fuel, higher safety is achieved, materials are easy to obtain, cost is lower, the unfolding angle of the gun barrel can be freely adjusted according to actual requirements, the larger the unfolding angle is, the higher the unfolding speed of the catching net is, and the closer the flying distance is. The method is suitable for close-range combat; otherwise, the smaller the unfolding angle is, the slower the unfolding speed of the catching net is, the farther the flying distance is, and the catching net is suitable for long-distance combat.

The invention belongs to the technical field of crystal porous material preparation and adsorption separation, and relates to a hydroxyl-modified porous coordination polymer material, a preparation method and sulfur dioxide capture application. The chemical formula of the porous coordination polymer is [Ni3 (OH) (TMBTTP) (BDC-2OH) 3], and the porous coordination polymer has a cylindrical cage, a fusiform cage, permanent pore channels, appropriate pore sizes and a hydroxyl-modified pore environment, and can provide sufficient space and rich hydrogen bond binding sites for gas molecular adsorption, so that the porous coordination polymer material is suitable for adsorption separation of SO2.

The invention provides a compound shown in a formula (I) or a tautomer, a stereoisomer, an isotope derivative or a pharmaceutically acceptable salt thereof. The compound disclosed by the invention has a good inhibition effect on RSV (Respiratory Syndrome Virus). # imgabs0 #

The invention provides a sulfoximine compound with an FGFR (Factor Growth Factor Receptor) inhibiting effect, a pharmaceutical composition containing the sulfoximine compound and application of the sulfoximine compound. The invention provides a sulfoximine compound which can be used as a fibroblast growth factor receptor (FGFR) inhibitor and is shown in a formula I, a tautomer, a stereoisomer, a hydrate, a solvate and pharmaceutically acceptable salt of the sulfoximine compound, a pharmaceutical composition containing the sulfoximine compound, and application of the sulfoximine compound in preparation of the pharmaceutical composition. Wherein R1, R2, R3, R4, R5, CyA, CyB, CyC and the like have the definitions given in the specification. # imgabs0 #

The utility model discloses a gas-liquid shunting device which comprises an obliquely arranged guide plate, a plurality of through holes penetrating through the guide plate are formed in the guide plate, the through holes are obliquely arranged, the high ends of the through holes are located on one side of the high end of the guide plate, and the low ends of the through holes face one side of the low end of the guide plate. The utility model has the advantages of novel structure and strong practicability. By means of the gas-liquid flow dividing device, hot air can be rapidly cooled, condensed water is separated from hot air water, the condensed water is collected, and after a certain amount of water is collected, the condensed water is reasonably discharged. The device is a special device for liquid-gas separation aiming at waste liquid contained in exhaust gas.

The utility model discloses a fixture for processing an automobile hub, which comprises a workbench, a positioning column component arranged at the center of the front surface of the workbench, a hub arranged on the positioning column component, a plurality of chutes arranged on the periphery of the workbench, sliders arranged in the chutes, a first clamping block arranged at one end of each slider, and a connecting rod arranged at the other end of each slider. The hub machining device has the advantages that the hub machining device is novel in structure and low in manufacturing cost, the first clamping block is driven by the air cylinder to move to clamp and fix the edge of a hub, and therefore hubs of different sizes can be better clamped; according to the hub clamping device, the hub can be rapidly and conveniently assembled and disassembled, the reliability is high, the hubs with different hole diameters are clamped through the positioning assembly, in this way, the hubs with different models can be clamped and positioned, and the working efficiency is improved.

The invention relates to an application of a quaternary ammonium salt polymer in a thermoelectric material. The structural formula of the quaternary ammonium salt polymer is as shown in formula I in the specification. According to the preparation method, the quaternary ammonium salt cationic polymer can be used as a dispersing agent to be applied to dispersion of the carbon nanotubes, and the carbon nanotube dispersion liquid with relatively good stability can be obtained by adjusting the ratio of the dispersing agent to the carbon nanotubes, so that the problem that the carbon nanotubes are easy to agglomerate in the dispersion process is greatly solved; therefore, the carbon nanotube film with high thermoelectric performance is prepared, and the thermoelectric performance of the carbon nanotube is effectively improved. # imgabs0 #

The utility model discloses a mahjong machine with arc-shaped tile feeding and a tile pushing mechanism thereof, the tile pushing mechanism comprises a tile pushing rod, a tile pushing disc and a driving assembly, the tail end of the tile pushing rod is movably connected with a hinge point, a tile pushing groove is formed in the middle of the tile pushing rod, and the head end of the tile pushing rod is used for pushing tiles; a tile pushing bearing is arranged on the top end face of the tile pushing disc and extends into the tile pushing groove to drive the tile pushing rod to swing around the hinge point in a reciprocating mode. The driving assembly is used for driving the tile pushing disc to rotate. When the tile pushing disc rotates, the tile pushing bearing can rotate with the center of the tile pushing disc as the center axis, and due to the fact that the tile pushing bearing is located in the tile pushing groove, rotation of the tile pushing bearing can drive the tile pushing rod to swing in a reciprocating mode, and then the tile pushing action is carried out. The tile pushing mechanism with a novel structure is provided for the mahjong machine. Due to the fact that the tail end of the tile pushing rod is fixed through the hinge point, when force is applied to the middle of the tile pushing rod, the tile pushing bearing can endow the head end of the tile pushing rod with a large swing amplitude with a small rotating radius, and labor is saved.

The present invention discloses a planting mechanism of a garlic seeder, belonging to the field of seeders. The mechanism comprises a shell, a frame, a seed pressing plate, a seed pressing transmission chain, a seed pressing sprocket, a steering wheel and a side plate with holes. The frame and the steering wheel are fixedly mounted on the shell. The seed pressing plate is evenly distributed and fixed on the seed pressing transmission chain. The seed pressing transmission chain is wound around the seed pressing sprocket and the steering wheel. The side plates with holes are fixed on both sides of the frame and form a semi-enclosed channel with the frame. The opening of the semi-enclosed channel gradually narrows from top to bottom. The seed pressing plate passes through the semi-enclosed channel formed by the frame and the side plates with holes as the seed pressing transmission chain moves. The present invention has a simple and novel structure, can not only realize the planting of garlic seeds, but also can ensure that the garlic seed scales face upward and stand upright, meet the agronomic requirements of garlic seed sowing, improve the germination rate and yield of garlic seeds, and has a high market promotion value.

The invention provides a composition containing folic acid compounds and a near-infrared fluorescence capture system. The near-infrared fluorescence capture system comprises an imaging module, and the imaging module comprises a compound shown in the formula I or pharmaceutically acceptable salt of the compound. The compound shown in the formula I or the pharmaceutically acceptable salt of the compound can be used as a near-infrared fluorescence imaging agent, and is good in targeting property and clinical application prospect. # imgabs0 #

The invention belongs to the technical field of molecular probes and nano textile materials, and particularly relates to a fluorescent probe for detecting metal palladium, a fluorescent nanofiber membrane and a preparation method and application of the fluorescent nanofiber membrane. The fluorescent probe for detecting metal palladium provided by the invention takes benzopyran as a fluorescent parent nucleus and allyl as a recognition site, is novel in structure, and can realize effective detection of elemental palladium in the environment. Furthermore, according to the fluorescent nanofiber membrane for detecting the metal palladium, the electrostatic spinning technology and the fluorescent probe are effectively combined, and rapid detection of the elemental palladium can be achieved through the fluorescence opening performance after the fluorescent probe reacts with the metal palladium. Besides, the fluorescent nanofiber membrane has the characteristics of simplicity in preparation, low cost and reusability, can provide a powerful tool for rapid, simple and convenient detection of palladium-containing elementary substance pollutants in the environment, and has an extremely wide application prospect in the field of metal palladium detection.

The utility model relates to a foldable deck chair which comprises a pair of long supporting rods and a pair of short supporting rods, the long supporting rods and the corresponding short supporting rods are arranged in a crossed mode, first connecting rods are hinged between the lower ends of the long supporting rods and the lower ends of the short supporting rods, and second connecting rods are arranged above the crossed positions between the long supporting rods and the short supporting rods. Two ends of the second connecting rod are respectively hinged with the long supporting rod and the short supporting rod; a fixing rod is arranged between the upper ends of the two long supporting rods, a fixing rod is arranged between the upper ends of the two short supporting rods, and the foldable deck chair further comprises a flexible bearing which is arranged between the two fixing rods and is used for people to lie and sit. During use, the long supporting rod and the short supporting rod are rotated and unfolded, the first connecting rod and the second connecting rod rotate relatively, a user can sit on the flexible bearing, and the long supporting rod and the short supporting rod are folded when not in use, so that storage is convenient. Compared with the prior art, the foldable deck chair is novel in structure, convenient to use and more stable in overall structure.

The present invention relates to a replaceable drill bit with symmetrical bevel positioning, comprising a drill rod and a replaceable drill tip, wherein a first positioning bevel of the drill tip and a second positioning bevel of the drill tip are arranged at the lower end of the replaceable drill tip, and are centrally symmetrical along a common axis CL, the first positioning bevel of the replaceable drill tip and the second positioning bevel of the drill tip match with two corresponding positioning bevels of a drill rod mounting structure, a first limiting surface and a second limiting surface are arranged below the first mounting surface and the second mounting surface of the replaceable drill tip, and the drill bit presents a dovetail structure which is narrow at the top and wide at the bottom, and a first fastening through hole and a second fastening through hole are arranged in the middle of a first chip removal groove of the drill tip and a second chip removal groove of the drill tip; a mounting structure for mounting the replaceable drill tip is arranged at the upper end of the drill rod, and is a semi-enclosed groove centrally symmetrical with the common axis CL, the groove has a first positioning bevel of the drill rod and a second positioning bevel of the drill rod as positioning surfaces, which match with the first positioning bevel of the drill tip and the second positioning bevel of the drill tip of the replaceable drill tip, and the replaceable drill tip is coaxial with the drill rod; a fastening screw fixes the replaceable drill tip on the drill rod.

The invention provides a hydraulic automatic fishway device, and relates to the technical field of hydraulic engineering, the hydraulic automatic fishway device comprises an arc fishway track, a multifunctional structure is rotatably mounted on the outer side of the arc fishway track, the multifunctional structure comprises a synchronous belt, a plurality of fish collecting plates are arranged on the surface of the synchronous belt, and each fish collecting plate is clamped with the synchronous belt; a fish collecting groove is formed in each fish collecting plate, a fish luring warm-color lamp strip is arranged in each fish collecting groove, through a multifunctional structure, when water flow impacts the water turbine from bottom to top, the water turbine rotates under the radial force of the water flow, so that radial force is generated on the fixing rod to rotate in the fixing frame, and meanwhile, the water flow impacts the water turbine through the water flow; the rotation of the fixing rod enables the driving bevel gear to rotate and to be engaged with the driven bevel gear, so that the driven bevel gear rotates, and then the rotating cross rod is controlled to drive the first gear to rotate and to be engaged with the inner tooth set, so that the synchronous belt can drive the fish collecting plate and the fish collecting groove to rotate, fish at the fishway inlet is brought to the upstream, and migration of the fish is helped.

The invention belongs to the technical field of medicines, and discloses a substituted oxadiazole-aniline compound, a preparation method thereof, a pharmaceutical composition taking the compound as an active component, and application of the substituted oxadiazole-aniline compound and the pharmaceutical composition in treatment and / or prevention of infectious diseases caused by coronavirus. Specifically, the invention relates to a compound shown as a formula (I) and an isomer thereof, or a pharmaceutically acceptable salt thereof, and a pharmaceutical composition containing the compound disclosed by the invention, and R1, R2, R3, R4 and n are described in the specification. The invention aims to prepare a new compound with anti-coronavirus activity, and the new compound can be used as a potential new drug for treatment or prophylactic treatment of infectious diseases caused by viruses, especially pneumonia diseases caused by coronaviruses. # imgabs0 #

The utility model relates to the technical field of vibration motors, and discloses a rotary vibration motor, which comprises a shell, an end cover, a stator assembly, a rotor assembly and a fixed shaft, the shell and the end cover are buckled to form an accommodating space, the stator assembly, the rotor assembly and the fixed shaft are accommodated in the accommodating space, the stator assembly is fixed on the inner surface of the end cover, and the fixed shaft is fixed on the outer surface of the end cover. The rotor assembly sleeves the fixed shaft and rotates around the fixed shaft, the stator assembly comprises a coil, a flexible circuit board and a second magnet embedded in the coil, and the end cover comprises a circular second bottom wall and a groove which is concavely formed in the central position of the inner surface of the second bottom wall and is matched with the flexible circuit board in shape; the supporting part integrally and horizontally extends out of the accommodating space from the groove; the connecting line of the circle center of the second bottom wall and the center line of the supporting part is a central axis; the fixed shaft is fixed at the center of a circle; and a springback mechanism is arranged on the inner surface of the second bottom wall on the other side of the supporting part. The rotary vibration motor is novel in structure, more diversified vibration modes of the rotary vibration motor can be realized, and the vibration sense is stronger.

The invention belongs to the technical field of crystalline materials, and particularly relates to a zinc amino acid complex crystal material and a preparation method and application thereof, the chemical molecular formula is [Zn (bib) (NCLA)] n, and used ligands are 1, 4-bis (1-imidazolyl) benzene and N-carbobenzoxy-L-aspartic acid. The zinc amino acid complex crystal material is novel in structure, two carboxyl groups-COO <-> in deprotonated ligand NCLA < 2-> are simultaneously connected with Zn (II) to form a chain structure, and adjacent chains are connected through crossed bib ligands to form a 2D layered structure. Weak intermolecular hydrogen bond interaction exists between the 2D layers, so that a three-dimensional frame structure is formed. The zinc amino acid complex crystal material can be used for identifying solvent molecules, metal ions and antibiotics.

The stepped heavy-load lifting assembly platform comprises stepped block driving devices, a jacking guide lower base and a lifting platform upper bracket, the stepped block driving devices are located on the two sides of the jacking guide lower base, and the lifting platform upper bracket is located over the jacking guide lower base; the step block driving device comprises four step blocks, and synchronous horizontal movement of the step blocks is achieved through a small-power motor. A bracket on the lifting platform is automatically placed on a supporting surface at a corresponding height on the step block; the jacking and guiding lower base is used for achieving the jacking and guiding functions of the lifting platform upper bracket. According to the step type heavy-load lifting assembly platform, the lifting and supporting functions of multiple sections of fixed heights of the assembly platform are achieved through synchronous movement of the four step blocks, position feedback is achieved through a plurality of sensors in the step block driving device, and the step type heavy-load lifting assembly platform has the advantages of being accurate in positioning and large in bearing capacity; and the reliability, the safety and the service life of the equipment can be effectively improved.

A semiconductor device having a novel structure is provided. The semiconductor device includes a first element layer and a plurality of second element layers in which a temperature detection circuit, a voltage generation circuit, and a memory cell are provided in each layer. The plurality of second element layers are stacked on the first element layer. The memory cell includes a transistor in which a semiconductor layer having a channel formation region includes an oxide semiconductor. The transistor includes a back gate. A voltage generation circuit provided in each layer has a function of generating a back gate voltage supplied to a back gate of a transistor included in a memory cell provided in the same layer. The temperature detection circuit has a function of controlling the back gate voltage according to the detected temperature. In the second element layer, a back gate voltage supplied to a transistor included in the second element layer disposed in an upper layer is greater than a back gate voltage supplied to a transistor included in the second element layer disposed in a lower layer.

The invention discloses an operating method for a mesh cage welding fixing frame for autoclaved aerated concrete reinforced plate, which solves the problems that the existing mesh cage welding fixing frame for autoclaved aerated concrete reinforced plate has poor fixing effect and cannot be adjusted and fixed according to different requirements of steel bar distance, which is not conducive to the welding of the mesh cage. The invention comprises a fixing frame body and a clamping mechanism, wherein a base is arranged at the bottom of the fixing frame body, a vertical rod is fixed at the middle of the top of the base, a cross beam is welded at one side of the top of the vertical rod, a plurality of moving blocks are installed on the cross beam through fixing screws, a clamping mechanism is installed at the top of the moving block through a fixing shaft, a lower arc groove is provided in the middle of the top of the moving block, the clamping mechanism comprises a first shaft hole and a second bolt groove, the structure is novel and the conception is ingenious, the mesh cage for autoclaved aerated concrete reinforced plate is convenient to be welded and fixed, and the distance between the steel bars can be adjusted according to welding requirements, which is conducive to use.

The invention discloses an electrostatic detection device for an energetic material powder feeding process. The electrostatic detection device comprises a voltage conversion probe, a high-voltage wire, a non-contact voltage sensor, an explosion-proof junction box, a signal line, a power line, an isolated safety barrier, a control module and a control cabinet, wherein the voltage conversion probe, the high-voltage lead and the non-contact voltage sensor are connected, and the voltage conversion probe is connected with the metal stock bin and is connected with the non-contact voltage sensor through the high-voltage lead; the non-contact voltage sensor is connected with a power line and an isolation type safety barrier arranged in a non-dangerous area through a signal line; the isolation type safety barrier is connected with the control module.

The clutch master cylinder comprises a pump body, an oil inlet pipe is arranged on the surface of the pump body, a piston assembly is arranged at one end of the pump body in a limited sliding mode, an oil outlet is formed in the other end of the pump body, an auxiliary reset assembly is arranged on the surface, close to the oil inlet pipe, of the pump body, and the auxiliary reset assembly comprises a cavity which is connected with the pump body and internally forms a cavity. A sliding rod is arranged in the cavity in a limited sliding mode, one end of the sliding rod is provided with a pressing cylinder extending out of the cavity, the pressing cylinder is arranged in a pipeline in a limited sliding mode, the other end of the pipeline is arranged in a spring cylinder, the spring cylinder is arranged in an inner cover plate of the oil outlet, a reset push rod is arranged in the spring cylinder in a limited sliding mode, and one end of the reset push rod is connected with a first reset spring. The other end of the reset spring I is extruded at the end part of the inner wall of the spring barrel; according to the oil pump, the auxiliary reset assembly is arranged to assist in pushing the piston to move and reset, and then the pressure of oil pressure on the pump body and the oil outlet is reduced.