5330results about How to "Play a protective effect" patented technology

The invention discloses a communication network power distribution cabinet convenient for heat dissipation, and relates to the technical field of power distribution cabinets, and the power distribution cabinet comprises a composite mechanism. According to the communication network power distribution cabinet convenient to dissipate heat, through the design of a composite mechanism, the box body shell is used for storing electronic components, after long-time operation, the temperature in the box body shell rises, hot gas rises, and then the hot gas flows to the processing mechanism from the circular groove, so that the heat dissipation effect is achieved, and the internal temperature of equipment is reduced; the ventilation mechanisms are arranged on the two sides of the box body shell, so that the convection effect is achieved, the cold air flowing effect is improved, the cold air is located at the low position with the high density, hot air is squeezed upwards after entering the box body shell, the discharging speed is increased, and the heat dissipation efficiency is improved. The box body shell is supported through the supporting assembly, so that the effect of reducing deformation of the box body is achieved, and internal electronic elements are protected.

The invention relates to a manufacturing method of a solar cell and the solar cell, the back surface of the solar cell is provided with a first region and a second region, and a second electrode of the solar cell is arranged in the second region; the manufacturing method of the solar cell comprises the following steps: texturing a cell piece; carrying out boron diffusion on the battery piece; performing laser etching on the first region; the first area is subjected to groove type cleaning; and carrying out chain type cleaning on the second area. In the invention, the back surface of the battery piece is selectively etched through laser to remove the borosilicate glass layer in the first area and reserve the borosilicate glass layer in the second area, so that the first area of the battery piece is cleaned and polished in the subsequent preparation steps; the borosilicate glass layer of the second region protects the textured structure of the second region in the subsequent preparation step, so that the tunneling dielectric layer and the doped conductive layer in the second region also have textured structures, thereby increasing the contact area between the second electrode and the doped conductive layer, and improving the photoelectric conversion efficiency of the solar cell.

The invention relates to the technical field of concrete detection, in particular to precast concrete strength detection equipment which comprises a detection table, the top end of the detection table is fixedly connected with a portal frame, the top end of the portal frame is provided with a hydraulic cylinder, and the driving end of the hydraulic cylinder is fixedly connected with a pressure detection plate. A positioning assembly is arranged in the detection table, a cleaning assembly is arranged in the placing groove, and an air blowing assembly is arranged on the upper portion of the cleaning assembly. Compared with the prior art, the protection assembly is arranged on the periphery of the containing groove, the protection assembly can be driven to be unfolded in the downward moving process of the pressure detection plate, a first rack can be used for driving a first gear to rotate while the side edges move towards the two sides, and then a turning plate can be driven to turn over, so that the side plates and the turning plate surround the periphery of the containing groove to form a baffle; and the protection effect is achieved, fragments which are broken and splashed in the detection process of the concrete prefabricated part can be blocked, and the safety in the detection process is improved.

The invention provides a bionic dexterous finger and a bionic robot, relates to the technical field of robots, and is used for solving the technical problems that in the prior art, fingers cannot swing laterally and are prone to being damaged due to external force impacts, and the bionic dexterous finger comprises a finger body, a driving assembly and a transmission assembly; the driving assemblies are arranged on finger and metacarpal joints of the palm, and each driving assembly comprises a driving lead screw; the transmission assembly comprises a moving mechanism, a connecting mechanism and a flexible mechanism, the moving mechanism is in transmission connection with the driving lead screw, the flexible mechanism is connected to the moving mechanism, and the connecting mechanism is rotationally connected with the flexible mechanism and further rotationally connected with the finger root of the finger body; the driving assembly drives the flexible mechanism to elastically deform and drives the finger body to bend towards or away from the palm center, so that the driving assembly has the flexible output characteristic. The finger body can laterally swing when being subjected to external force, enables the flexible mechanism to elastically deform, and drives the finger body to reset when being elastically reset; and the flexible mechanism can counteract impact force, the damping effect is achieved, and the fingers are prevented from being damaged.

The invention belongs to the technical field of underground gas storage, and particularly relates to a long-term efficient hydrogen storage composite lining structure for an underground rock cavern and a preparation method of the long-term efficient hydrogen storage composite lining structure. The long-term efficient hydrogen storage composite lining structure for the underground rock cavern comprises surrounding rock and an internal composite structure of the surrounding rock. The surrounding rock reinforcing layer is formed by pressure pre-grouting in surrounding rock and can resist tensile stress transmitted to the surrounding rock by internal air pressure and enhance air tightness; the permeable layer is arranged on the inner side of the surrounding rock reinforcing layer and can discharge underground water to prevent hydrostatic pressure from causing extrusion deformation damage to the concrete bearing layer during construction and causing instability of the sealing steel lining; the reinforced concrete bearing layer is arranged on the inner side of the permeable layer and the outer side of the slip layer, and micro self-healing capsules capable of repairing cracks and enhancing sealing performance are evenly added in the injection molding process; the anti-drag sliding layer is arranged between the steel lining and the bearing layer and inhibits shear damage of the sealing steel lining to the bearing layer under high internal pressure; the steel lining sealing layer is arranged on the inner side of the sliding layer to bear part of gas load and seal gas.

The invention discloses a dexterous hand finger based on connecting rod transmission, a bionic mechanical arm and a humanoid robot, belongs to the field of bionic mechanical arms, solves the problem that a transmission mechanism of an existing dexterous hand is low in response speed, and adopts the technical scheme that the dexterous hand finger mainly comprises a finger base and a finger body, a driver and a transmission mechanism in transmission connection with the driver are arranged on the finger base, the driver drives the finger body to bend and / or swing through the transmission mechanism, the transmission mechanism comprises a guide piece and a sliding block installed on the guide piece in a sliding mode, and the sliding block is in transmission connection with the finger body. A traction rope connected with the sliding block is wound on an output shaft of the driver, the driver controls the output shaft to rotate forwards and backwards so as to drag the sliding block to slide back and forth along the guiding piece through the traction rope, and then the finger body is controlled to bend and / or swing. The finger is mainly used for driving the sliding block to move through the pulling rope so as to control the finger body to bend and swing, and the response efficiency of the finger body can be improved.

The invention relates to the field of marine transformers, and discloses a marine transformer with a protection mechanism, the marine transformer comprises a transformer oil tank and a mounting seat, the transformer oil tank is arranged above the mounting seat, a movable supporting structure is arranged in the middle of the upper surface of the mounting seat, and the transformer oil tank is arranged on the mounting seat through an external protection structure; a mounting frame is fastened in the middle of the lower inner wall of the transformer oil tank, a winding is mounted on the mounting frame, and oil sliding up and down in the transformer oil tank can be blocked through an internal protection structure when the ship body shakes up and down to drive the oil to slide, so that the upper side face and the lower side face of the transformer oil tank are protected; the problem that the upper side face and the lower side face of the transformer oil tank deform due to impact is reduced, the upper side face and the lower side face of the transformer oil tank can be protected outside the transformer oil tank through the external protection structure and the auxiliary protection structure, and the protection effect is better.

The invention belongs to the technical field of biomedical materials, and particularly relates to a hydrogel wound dressing and a preparation method and application thereof. The hydrogel wound dressing disclosed by the invention can be matched with a sound-sensitive agent by utilizing the temperature-sensitive shrinkage performance of the temperature-sensitive compound monomer, and shows ultrasonic thermal response shrinkage performance, specifically, the hydrogel wound dressing can be rapidly heated and remarkably shrunk under the ultrasonic action to promote wound shrinkage, so that wound healing is accelerated. The obvious potential is embodied in the aspects of promoting the repair of the wound infected by the drug-resistant bacteria and the repair of the wound infected by the drug-resistant bacteria and diabetes mellitus. When the prepared hydrogel wound dressing is used, the contraction degree of the hydrogel wound dressing can be controlled by adjusting the ultrasonic time in the treatment process, and protection and treatment effects on drug-resistant bacteria wounds are achieved in a programmed mode. Meanwhile, the fixing structure of the hydrogel can anchor added drugs such as a sound-sensitive agent and the like, and the action time of the drugs is prolonged.

The invention provides a new energy automobile charging pile, and particularly relates to the technical field of charging piles, the new energy automobile charging pile comprises a charging pile main body, a gun placing groove is formed in one side of the charging pile main body, a charging gun is placed in the gun placing groove, and a protective cover is fixedly arranged at the position, corresponding to the gun placing groove, of one side of the charging pile main body; through cooperation of parts such as a wire storage box and a winding shaft, a charging wire is protected, a conical barrel is attached to the outer wall of the charging wire to perform reciprocating horizontal displacement, dust and impurities attached to the outer wall of the charging wire are scraped off, and under the action of a circular scraper, the charging wire is prevented from being scraped off. And stubborn impurities attached to the outer wall of the charging wire or an ice layer condensed on the outer wall of the charging wire in winter can be further effectively removed, so that the impurities attached to the outer wall of the charging wire can be automatically removed after the charging wire is used every time, the charging wire is prevented from being corroded by some impurities, the use safety of the charging wire is ensured, and the service life of the charging wire is prolonged. And the service life is prolonged.

The invention discloses an effect of Collagen in relieving vomitoxin injury of bovine rumen epithelial cells by vitamin E, and belongs to the technical field of genetic engineering, the Collagen is COL1A1 protein, COL2A1 protein and COL5A1 protein; the amino acid sequence of the COL1A1 protein is as shown in SEQ ID NO. 19; the amino acid sequence of the COL2A1 protein is as shown in SEQ ID NO. 20; the amino acid sequence of the COL5A1 protein is as shown in SEQ ID NO. 21. According to the effect of Collagen in relieving bovine rumen epithelial cells damaged by vomitoxin through vitamin E, it is found that vitamin E can effectively protect the cell membrane integrity of the bovine rumen epithelial cells and can relieve cell viability decline, oxidative stress, immune and inflammatory reactions and the cell apoptosis rate caused by DON; vitamin E can promote ECM receptor effect and protein digestion and absorption ways by adjusting Collagen protein so as to protect rumen epithelial cells of dairy cows.

The invention provides a multilayer circuit board pressing device which comprises a base, a limiting assembly is installed on the upper surface of the base, and the limiting assembly comprises a workbench, a sliding seat, a rotating disc, a supporting frame, a positioning clamping plate, a contact switch and a limiting seat. The supporting frame is fixedly connected to the lower surface of the workbench. The rotating disc is driven by the driving motor to rotate, the two positioning clamping plates can be close to each other, when the positioning clamping plates are attached to a circuit board, the positioning tension springs are stretched along with movement of the sliding seat, when the limiting seat triggers the contact switch, the contact switch sends a signal to the controller, and the controller controls the driving motor to stop working; compared with the prior art, the circuit board can be automatically aligned to the center position while the circuit board is limited, then the pressing precision of the circuit board is guaranteed, and the circuit board can be prevented from being damaged due to the fact that the circuit board bears too large force by arranging the positioning tension spring, the contact switch and other structures.

The embodiment of the utility model provides a box body assembly, a battery device, an energy storage device and a power utilization device. The battery device comprises a box body assembly, a heat exchange assembly and a battery monomer assembly, a containing cavity is formed in the box body assembly, and the battery monomer assembly is arranged in the containing cavity. The box body assembly comprises a box body, at least part of a containing cavity is formed by the box body, and the box body is of an integrated composite material structure formed by compression molding or pultrusion of a composite plate. The heat exchange assembly is arranged on one side, deviating from the accommodating cavity, of the box body, the heat exchange assembly is provided with a medium runner, the medium runner is used for circulation of a heat exchange medium, and the heat exchange medium is used for heat exchange with the battery monomer assembly. According to the battery device provided by the embodiment of the invention, the box body is arranged to be of the composite material structure, so that the weight and the production cost of the box body are reduced while the box body has enough structural strength, and the energy density of the battery device is improved.

The invention discloses a machining technology for an arc plate. The machining technology comprises the following steps that S1, an arc-shaped mold is manufactured; s2, machining a to-be-machined part, wherein a plurality of thin plates are sequentially stacked and attached to form the to-be-machined part, and the thickness of the to-be-machined part is the same as that of the needed arc plate; s3, pressure maintaining and shaping are conducted, specifically, the arc-shaped mold is placed in a sealing box, then a to-be-machined part is placed on the arc face of the arc-shaped mold, a flexible sealing cover of the sealing box covers the arc-shaped mold, and then an air pressure difference is formed between the inner side and the outer side of the flexible sealing cover; and the flexible sealing cover deforms and extrudes the to-be-machined part under the action of the air pressure difference so that the to-be-machined part can be completely attached to the arc face of the arc-shaped mold, the attaching state can be kept for a preset duration, and an arc plate matched with the arc face in radian can be formed. The problems that the surface of a product is uneven, irregular in radian and distorted due to the fact that an upper die and a lower die need to be matched in an existing arc plate machining process are solved.

The invention discloses a water-permeable concrete brick loaded with a metal-organic framework material and a preparation method of the water-permeable concrete brick. The method comprises the following steps: mixing a silicon-aluminum material and an alkali activator to prepare geopolymer slurry, adding an organic amine reagent, mixing, and uniformly stirring to obtain modified geopolymer slurry; aggregate is added into the modified geopolymer slurry, the mixture is uniformly stirred and then loaded into a test mold, the test mold is demolded after standing for 1-2 days, a geopolymer water-permeable concrete brick is obtained, a metal salt solution is uniformly sprayed to the geopolymer water-permeable concrete brick, and the geopolymer water-permeable concrete brick is taken out after being subjected to steam curing for 3-5 h; and uniformly spraying the organic ligand solution on the cured geopolymer water-permeable concrete brick, performing steam curing for 18-22 hours, taking out the geopolymer water-permeable concrete brick after curing, and drying the geopolymer water-permeable concrete brick in a drying oven at 80-120 DEG C for 20-30 hours to obtain the water-permeable concrete brick loaded with the metal-organic framework material. The pervious concrete brick prepared by the invention has better adsorption efficiency, and can play an excellent water purification function in practical application.

The invention discloses a production welding tool for stainless steel pipe fittings, and relates to the technical field of pipe fitting welding, and the production welding tool comprises a composite mechanism. According to the production welding tool for the stainless steel pipe fittings, through the design of a composite mechanism, the pipe fittings at one end are vertically placed on the top of the bearing mechanism, the effect of fixing the pipe fittings is achieved through the bearing mechanism, then the pipe fittings at the other end are vertically placed in the butt joint mechanism, and the effect of stabilizing components is achieved through the butt joint mechanism; the lifting butt-joint mechanism is in butt-joint fit with the bearing mechanism, so that the anti-deviation effect is achieved, manual calibration errors are avoided, the welding effect is prevented from being influenced, the operation efficiency is improved, the welding mechanism is attached to the joint of the two pipe fittings, the bearing mechanism is driven to rotate through a rotating block, the constant-speed welding effect is achieved, the welding quality is improved, and the size of a welding seam is reduced. And the welding precision is improved, chippings can occur in the welding process, the protection ring plays a role in shielding and wrapping, and chippings are prevented from splashing.

The utility model discloses a telescopic eyebrow pencil, and relates to the technical field of eyebrow pencils. The telescopic eyebrow pencil comprises a pencil tube and a sealing cap inserted into the open end of the pencil tube, and further comprises an eyebrow pencil core arranged in an inner cavity of the pencil tube and used for a user to draw eyebrows; the adjusting mechanism is arranged in an inner cavity of the pencil tube, one side of the adjusting mechanism is connected with one end of the eyebrow pencil core in an inserted mode, and the adjusting mechanism is used for sliding in the inner cavity of the pencil tube so that the telescopic position of the eyebrow pencil core can be adjusted; the sliding groove is formed in the middle position of the surface of the top of the pen tube, and the sliding groove is used for facilitating a user to push the adjusting mechanism to move; according to the eyebrow pencil with the telescopic eyebrow pencil core, a user can conveniently adjust the position of the eyebrow pencil core according to the use requirements of the user, and the eyebrow pencil core can be stretched out and drawn back, so that the eyebrow pencil core can be protected, the use safety of the eyebrow pencil core is improved, and the service life of the eyebrow pencil core is prolonged.

The utility model discloses a cable sheath with a cable frost crack prevention function, which relates to the technical field of cable sheaths and comprises a tin foil tube. A plurality of rectangular openings are formed in the tin foil pipe, a sliding groove facilitating sliding connection of a sliding strip is formed in the tin foil pipe, and the sliding strip is welded to the inner wall of the rubber pipe; a heat tracing band is arranged between the rubber pipe and the tin foil pipe, and a corrugated pipe is arranged on the outer side of the rubber pipe. According to the utility model, the tin foil tube plays a role in guiding the cable, the heat tracing band is fixed on the heat tracing band buckle of the rubber tube, and the sliding strip is connected with the sliding chute of the tin foil tube in a sliding manner, so that the installation of the heat tracing band is facilitated, and the temperature generated by the heat tracing band acts on the cable through the rectangular opening of the tin foil tube, thereby preventing the outer protective layer of the cable from being frozen and cracked.

The invention discloses an application of an Ms-Piscidin antibacterial peptide in preparation of a largemouth bass rhabdovirus inhibitor or a treatment drug, and is characterized by providing an application of the Ms-Piscidin antibacterial peptide in preparation of the largemouth bass rhabdovirus inhibitor and an application of the Ms-Piscidin antibacterial peptide in preparation of the treatment drug for largemouth bass rhabdovirus infection. The amino acid sequence of the Ms-Piscidin antibacterial peptide is as shown in SEQ ID NO.1: FLKHIKSFWRGAKAIFRGARQGWREHR. The Ms-Piscidin antibacterial peptide has the advantages that the Ms-Piscidin antibacterial peptide can inhibit MSRV proliferation, the survival rate of micropterus salmoides infected by MSRV is increased, and the Ms-Piscidin antibacterial peptide can be used as a potential medicine for preventing and treating MSRV infection diseases.

The invention discloses homogeneous stirring equipment for preparing cold water fish feed grease, and relates to the technical field of stirring, and the homogeneous stirring equipment comprises a bin body mechanism. According to the homogenizing and stirring equipment for preparing the cold water fish feed grease, through the design of the bin body mechanism, materials enter from the top of the processing mechanism, circulate and enter the bin body shell, then a motor is started, a central rotating shaft is controlled by the motor to rotate, and the interiors of the materials are rotated by paddle plates, so that the effect of mixing the materials is achieved; through the design of the multiple paddle plates, the stirring range is enlarged, the mixing efficiency is improved, the uniform mixing effect is achieved, the paddle plate grooves are formed, the rotating efficiency is improved through the grooves, the grooves can disturb boundary layers on the surfaces of the paddle plates, resistance is reduced, the flowing efficiency of fluid is improved, and therefore the stirring effect of the paddle plates in the fluid is enhanced; cavitation and cavitation phenomena are reduced, the possibility of generating cavitation and cavitation under high-speed movement is reduced, and the service life of the paddle board is prolonged.

The utility model discloses a metal pipe drilling device and relates to the technical field of metal pipes. A supporting plate is fixedly installed at the top of the workbench, an electric push rod is fixedly installed at the bottom of the workbench, an output shaft at the top of the electric push rod is fixedly connected with the supporting plate, a fixing frame is fixedly installed at the top of the workbench, a controller is fixedly connected to the top of the workbench on one side of the fixing frame, and a drill bit is arranged at the bottom of the fixing frame at the top of the workbench. A hydraulic cylinder is fixedly installed at the top of the fixing frame, and an output shaft at the bottom of the hydraulic cylinder is fixedly connected with the drill bit. The inner wall of a pipe can be supported and protected through the supporting component and the limiting component, the situation that the pipe is deformed due to the fact that the drilling force is too large or the clamping force of the clamping component on the metal pipe is too large is avoided, and the four push blocks and the four check blocks can be adjusted in a telescopic mode through the sleeve. And therefore, the inner walls of the pipes with different radiuses can be quickly supported, and the working efficiency is improved.

The invention relates to the technical field of remanufacturing, in particular to a 1Cr17Ni3 gear pump casting shell end face superficial crack damage repairing method which comprises the steps that cleaning is conducted, and defect positions are determined; marking the defect position, then extending in a polyline form to form two rings, and connecting the two rings by using a line segment; polishing to form an outer ring groove, an inner ring groove and a line segment groove for connecting the inner ring and the outer ring; demagnetization is carried out; carrying out laser cladding repair; liquid nitrogen treatment; carrying out cladding repair and liquid nitrogen treatment on the test block to verify the hardness performance; the end face subjected to cladding repair is polished; and cleaning and carrying out penetrant flaw detection, and if no defect exists, successfully repairing. Local repair of a small area of the end face is avoided, local deformation is avoided, and the sealing performance is enhanced; the restoration quality deterioration caused by heat accumulation is avoided; the equal-hardness cladding repair is realized; the problem that after the shell has magnetism, the repairing quality is reduced due to the fact that powder adheres to the end face continuously in the cladding process is solved.

The invention belongs to the technical field of multifunctional fibers, and particularly relates to a preparation method of multifunctional jasmine, camellia and chamomile fibers, and the preparation method comprises the steps of preparation of beta-cyclodextrin microspheres, modification of carboxyl, adsorption, preparation of bis-aminated polyethylene glycol polycaprolactone and spinning. The prepared multifunctional jasmine, camellia and chamomile fiber has an excellent antibacterial effect and a natural antibacterial effect, the bacteriostasis rate to staphylococcus aureus is 98.5-99.2%, the bacteriostasis rate to candida albicans is 98.2-99%, the bacteriostasis rate to escherichia coli is 97.5-98.7% after the multifunctional jasmine, camellia and chamomile fiber is washed with water for 50 times, and the antibacterial standard of textiles is met; the antibacterial durability is good, and the average antibacterial loss rate after 50 times of washing is lower than 2%; the antioxidant and anti-mite effects are good, and the free radical scavenging rate is more than 96%; and the mite repelling rate is greater than 70%.

The present invention relates to a high-performance pneumatic metal-sealed high-frequency ball valve, which belongs to the technical field of ball valves. It includes a valve body, a valve stem, a valve core and a stroke mechanism. The stroke mechanism is used to drive the valve stem to rotate. The valve core is located in the valve body, and the valve core is fixedly connected to one end of the valve stem away from the stroke mechanism; a valve seat is slidably arranged in the valve body, and the valve seat is located between the valve core and the inner wall of the valve body, and the valve seat moves in the direction away from or close to the valve core; a first dust seal ring, an elastic element and a sealing ring are arranged between the valve seat and the valve body, and the first dust seal ring and the sealing ring are both annularly sleeved on the outer wall of the valve seat, the inner wall of the first dust seal ring is fixed to the valve seat, the outer wall of the first dust seal ring abuts against the inner wall of the slide groove, the outer wall of the sealing ring is fixedly connected to the inner wall of the slide groove, the inner wall of the sealing ring abuts against the outer wall of the valve seat, and the elastic element is located between the first dust seal ring and the sealing ring. The present invention has the effect of preventing powder in the medium from entering between the valve seat and the valve body to form self-aggregating blocks, thereby extending the service life of the ball valve.

The utility model discloses a ton barrel transfer device with good protection performance, and relates to the technical field of ton barrel transfer devices, the ton barrel transfer device comprises a forklift structure, two protection structures are arranged on the forklift structure, the two protection structures are symmetrically arranged, each protection structure comprises a lifting part, a protection part is arranged on each lifting part, and each protection part comprises a clamping assembly. The forklift structure comprises a mounting plate, two first metal strips are arranged on one side of the mounting plate, a pallet fork is arranged on the mounting plate, the lifting component comprises two fixing plates fixedly connected with the pallet fork, and a threaded rod is rotationally connected between the two fixing plates. According to the utility model, the ton barrel can be clamped and limited, so that the ton barrel is protected, the stability is improved, the danger during use is reduced, and meanwhile, the position of the protection part can be adjusted according to the height of the ton barrel, so that the protection part is positioned in the middle of the ton barrel, and the protection effect is improved.

The invention belongs to the technical field of plastic shell control shells, and discloses an anti-collision buffering plastic shell control shell and a using method thereof.The anti-collision buffering plastic shell control shell comprises a shell body, a buffering assembly is arranged in the shell body, a top cover is installed at the top end of the shell body through bolts, a base is fixedly installed at the bottom end of the shell body, and a supporting assembly is arranged on the outer wall of the shell body; the buffer assembly comprises a damper and an air bag which are arranged in the shell, when the shell is subjected to external impact, energy generated by impact is absorbed and dissipated through the damper, so that impact on the shell is relieved, the damper is in contact with the surface of the air bag when the damper is subjected to certain impact energy to generate displacement, the impact energy is further absorbed through the air bag, and the impact force is reduced. And the damper and the air bag are matched for use, so that the structural stability of the shell is kept, deformation or damage caused by collision is prevented, the service life of the plastic shell control shell is prolonged, and the protection effect on electronic elements in the shell is achieved.

The utility model belongs to the technical field of splicing devices, and particularly relates to a glass curtain wall splicing device which comprises a mounting box, a lifting handle is mounted at the top of the mounting box, an adjusting telescopic arm is rotatably mounted on the rear side of the lifting handle, the front end of the adjusting telescopic arm penetrates into the mounting box and is connected with a first gear, and a second gear is rotatably mounted in the mounting box. The adjusting telescopic arm comprises a first telescopic arm body and a second telescopic arm body, one end of the first telescopic arm body is connected with a positioning rack, the positioning rack is connected with the second telescopic arm body in an inserted mode, a positioning block telescopic cavity is formed in the front side of the second telescopic arm body, and a positioning block is installed in the positioning block telescopic cavity in an inserted mode. A spring is installed on the inner side of the positioning block telescopic cavity, a rotating shaft is connected to the rear side of one end of the second telescopic arm, and corner fixing sockets are connected to the rear two sides of the rotating shaft, the use safety of the device is greatly improved, glass falling caused by infirm suction of the suction cup is avoided, and the effect of protecting the corners of the glass is also achieved.

The invention provides a battery management system, a control method and device thereof, a storage medium and energy storage equipment, and relates to the technical field of battery management. A battery management system includes: a battery pack; the sampling unit is connected with the battery pack and is used for acquiring a sampling signal of the battery pack; the first logical operation unit is connected with the sampling unit; the second logical operation unit is connected with the sampling unit; the first output unit is connected with the output end of the battery pack, and the control end of the first output unit is connected with the first logical operation unit; the second output unit is connected with the output end of the battery pack, and the control end of the second output unit is connected with the second logical operation unit; wherein the first logical operation unit and the second logical operation unit respectively control the on-off states of the first output unit and the second output unit according to the sampling signals. According to the invention, the protection stability of the battery management system on the battery pack and the operation safety of the battery pack are improved.

The invention relates to the technical field of optical fiber coupling, and discloses semiconductor laser lens coupling equipment which comprises a base, a laser and an optical fiber placement seat are arranged on the two sides of the top of the base respectively, a moving mechanism is arranged in the middle of the top of the base, and the moving mechanism comprises a moving block and a moving seat; and the dumping storage assembly is arranged at the top of the moving mechanism. By arranging a dumping storage assembly and a moving mechanism at the bottom of a lens body, when the lens body does not need to be used, a motor is used as a drive to drive a lead screw to rotate, so that the lens body on a moving block is driven to move, a square plate below the lens body is moved to the position in contact with a push plate, and the push plate is used for pushing the square plate to rotate; the rotating base on the connecting shaft is driven to rotate, the lens body on the rotating base is driven to rotate, the lens body is horizontally placed on the top of the moving base, collision of external movement to the lens body is avoided, and the protection effect is achieved.

The present invention relates to a pair of roller movable shaft seat units, including a bearing box, a brush roller connecting mechanism is arranged in the bearing box, the brush roller connecting mechanism includes a sliding seat and a movable bearing seat, and a shaft support device is inserted in the sliding seat and the movable bearing seat; the rear side of the bearing box is also sealed and connected to a driving box, the driving device is inserted through the rear side wall of the bearing box, and the front side of the bearing box is also provided with an exposed port, when the movable bearing seat is extended from the exposed port, it is in a sealed state with the exposed port to prevent water from entering the bearing box; when the brush roller is replaced, the movable bearing seat can be retracted into the bearing box to avoid collision. By arranging the brush roller connecting mechanism in the bearing box, and being able to move relatively in the bearing box to extend or retract, when extending, part of the brush roller connecting mechanism is pressed against the position of the exposed port, which can effectively prevent water from entering the interior; and it is only extended in the working state, which can also protect the brush roller connecting mechanism and prevent accidental collision during operation.

The invention relates to the technical field of Roots vacuum pumps, and discloses a Roots vacuum pump for vacuum glass production and a vacuum glass furnace, the Roots vacuum pump for vacuum glass production comprises a Roots vacuum pump body, an air inlet arranged at the top of the Roots vacuum pump body, and a connecting pipe arranged at the top of the air inlet, the vacuum glass furnace shell is arranged on one side of the connecting pipe, the front cover is arranged at the front end of the roots vacuum pump body, and the air outlet is formed in the bottom of the roots vacuum pump body. A second sleeve is rotated by clamping a rotating assembly, so that a first sleeve is driven to rotate, a T-shaped rod is separated from the inner side of a strip-shaped groove through opening of a tensioning assembly and cooperation with an ejection assembly, the second sleeve rotates and does not drive the first sleeve to rotate any more, and when the temperatures of a rotor and a pump body are high, the rotor does not rotate any more, and when the temperatures of the rotor and the pump body are normal, the temperature of the rotor and the pump body are normal. And the rotor can continuously rotate, so that the rotor can be protected.