57results about How to "Prevent operational impact" patented technology

The invention discloses an outdoor power Internet-of-Things gateway equipment structure. The equipment structure comprises a base, a protection box is fixedly connected to the upper surface of the base, a heat dissipation mechanism is arranged in the protection box, the heat dissipation mechanism is connected with a heat exchange mechanism, an anti-collision mechanism is installed at the top end of the protection box, and a clamping mechanism is installed in the protection box. Heat dissipated by equipment in the protection box is absorbed through water flow in the arranged heat absorption pipe; heat flows into the drain pipe, the water pump and the water inlet pipe through water flow in the radiating pipe; arc-shaped plates are arranged in the protection box, heat is discharged into the ground through the heat exchange pipes, heat dissipation is continuously conducted through flowing of water flow, influences on equipment operation are prevented, when foreign objects impact the arc-shaped plates, generated impact is absorbed through the arranged buffer springs, and then damage to equipment in the protection box by impact is prevented.

The invention discloses a dustproof cover of a power and electrical equipment component. The dustproof cover comprises a machine cabinet and a base; the base is mounted at the top end of the machine cabinet; a second sliding groove is formed in the top end of the interior of the base; first sleeves are arranged on the left and right sides of the top end of the base respectively; a first sliding block is mounted at the bottom end of each first sleeve; each first sliding block is lap jointed with a second sliding groove; and a second sliding block is mounted at the top end of each first sleeve.By virtue of the dustproof cover of the power and electrical equipment component, entering of dust into the machine cabinet can be avoided by virtue of matching of a pressing cover and a plug, so thatdust cleaning operation by a staff can be omitted; by virtue of matching of the second sliding block and the second sliding groove, influence to operation caused by falling off of a cable due to accidental collision by the staff can be prevented; and through matching of a second gasket and a second compression spring, a clamping block can be pushed to extend out of the first sleeves to cover thegap between the first sleeves, so that entering of dust to the interior of the machine cabinet can be prevented after the cable is connected, thereby satisfying customer demands.

The invention relates to an intelligent relay test protection device based on the Internet of things. The intelligent relay test protection device comprises a main body, wherein the back surface of the main body is provided with a back plate lifting mechanism, the back plate lifting mechanism comprises a driving unit, a back plate and a plurality of driven units, each driven unit comprises a first moving block, a second moving block, a first connecting rod, a second connecting rod, a lifting block and a supporting block, a cooling mechanism is arranged in the main body, the cooling mechanism comprises a transmission mechanism, a cooling unit and a sliding unit, and the cooling unit comprises a first air pipe, an air pump, a fixed block, a second air pipe, a cooling pipe, a third air pipe and a cooling spray nozzle. According to the intelligent relay test protection device based on Internet of things, other instruments and equipment can be placed on the top part of the main body conveniently through lifting the back plate by means of the back plate lifting mechanism, the space occupation requirement is reduced, furthermore, the temperature is reduced through driving the cooling unit to move back and forth by means of the transmission mechanism, such that the cooling effect is achieved while preventing external dust from entering into the main body to affect equipment operation, thereby enhancing the practicality of the equipment.

The invention relates to a high-altitude safety belt with a winding function. The high-altitude safety belt comprises a shoulder belt, a back belt, a front chest belt, a waist belt, leg belts, a waistring, a back hanging ring, a lock buckle, connection belts and a winding device, wherein the back belt is in a reversed V shape, the back hanging ring is fixedly connected to the corner point position of the back belt, two branches of the back belt stretch out downwards correspondingly and are connected with the waist belt and the leg belts in a sewn manner in sequence, the shoulder belt is a closed ring, the two ends of the shoulder belt are connected with the back hanging ring and the front chest belt correspondingly to form a double-shoulder belt, the waist ring is fixedly connected to thewaist belt and located at the position right below the front chest belt, the lock buckle is connected between the front chest belt and the waist ring, the connection belts are fixedly connected between the leg belts and the waist belt, the winding device is hooked and hung to the waist belt and comprises a shell body, a rope winding disc rotatably connected inside the shell body, a hand wheel arranged on one side of the shell body and a rope which is winded on the rope winding disc and stretches out of the shell body, and the free end of the rope is provided with a climbing buckle in an attached manner. The high-altitude safety belt with the winding function has the advantages that operators retract the climbing buckle which is released from hands conveniently, safety hidden dangers are reduced, and the work efficiency is improved.

The invention discloses a connecting centering device for pipeline engineering. The connecting centering device comprises a supporting frame, the supporting frame is provided with a working platform,the working platform is provided with first fixing mechanisms, a second fixing mechanism and a sliding groove, the first fixing mechanisms are uniformly arranged, the bottom of the first fixing mechanism is connected with the sliding groove, the sliding groove is connected with the working platform, each first fixing mechanism comprises sliding blocks and positioning rings, the sliding blocks areconnected with the positioning rings, first connecting blocks are uniformly arranged in the positioning rings, limiting mechanisms are uniformly arranged on the first connecting blocks, lifting columns are arranged on the working platform, lifting grooves are formed in the lifting columns, and the lifting grooves are connected with the second fixing mechanism. According to the connecting centeringdevice for pipeline engineering, the problem that different supporting pads need to be welded in pipelines with different diameters in existing pipeline pairs, each time of welding, the supporting pads need to be re-found and adjusted for many times to achieve centering are solved.

The invention discloses an automatic shutdown safety protection device with safety slider wires for mobile devices, and comprises a slider wire conductor, a slider wire sheath, a collector, collector carbon brush sheets and a circuit breaker with separately-excitated slip, as well as an insulation isolator and a shorting switch; an insulation isolator with the same cross section shape as that of the slider wire conductor is arranged on at least one-phase slider wire conductor on a movement limiting position of a mobile device; the insulation isolator can insulate and divide the slider wire conductor into a limit position front part and a limit position rear part which are connected through the shorting switch; the limit position rear part is connected with the separately-excitated slip coil on the circuit breaker through the slip switch; the longitudinal length of the insulation isolator is smaller than that of the carbon brush sheet of the collector; the invention can effectively control stopping or running of the mobile device, avoid such life-and-death equipment failure accidents as traveling wheels off-road and etc, and eliminate safety hidden trouble and lower maintenance cost.

The invention discloses a vacuum glove box. The vacuum glove box comprises a box body, a box cover, an aspirating chamber, a mobile terminal and a digital microscope. A tool groove is formed in the inner surface of the box body. The box body is provided with rubber gloves and a lamp box. Bolt screwing tools are matched between the rubber gloves and the box body. A hinge device is arranged between the box body and the box cover. The hinge device is piggybacked on the lamp box. The aspirating chamber is provided with a gas extracting opening and an inert gas supplying opening. An air pressure gauge is installed above the aspirating chamber. The mobile terminal is located inside the box body. A titanium alloy hose is installed on the reverse side of the mobile terminal. A magnet is installed at the tail end of the titanium alloy hose. The digital microscope is located inside the tool grove. The vacuum glove box has the advantages that the functions of video recording, photo taking and displaying small things are possessed.

The invention relates to the technical field of power distribution cabinets and in particular relates to a drawer structure of a low-voltage cabinet. The drawer structure comprises a drawer body, a unit room bottom plate, a fixing mechanism and rolling wheels, wherein an inner side wall of the drawer body is provided with a push rod guide groove parallel to the bottom surface of the drawer body; a push rod is located in the push rod guide groove; a spring seat I is arranged at the front end of the push rod; one end of a spring sleeves the spring seat I and the other end of the push rod sleeves a spring seat II; a bulb plunger piston is arranged on a side wall of a button; a fixing sleeve sleeves the outer side of the button; the button penetrates through the fixing sleeve and stretches to the outer part of the drawer body; a connecting part is L-shaped; the rear end of the push rod is connected with one end of the connecting part; the other end of the connecting part is hinged to a plug pin. The drawer structure of the low-voltage cabinet provided by the invention can be used for fixing a drawer and is convenient to operate; the stability of the whole drawer is enhanced, and a condition that components are damaged, caused by the fact that the drawer falls off from a switching cabinet, is avoided.

The invention discloses a metal mobile phone shell processing device and a process of the metal mobile phone shell processing device. The metal mobile phone shell processing device comprises a workingplatform. A mobile phone shell outer jig is arranged at the top end of the working platform. The process comprises the following steps of die casting molding, stamping, advanced treatment and surfacetreatment. According to the metal mobile phone shell processing device and the process, an adjusting device capable of adjusting the length and width is arranged, and the length-width adjustment workcan be conducted according to different models of mobile phones, so that the equipment is suitable for the different models of mobile phones, and the use performance of the equipment is improved; fixing suckers are arranged at the bottom so that the equipment can be fixedly adsorbed to an operation platform during the operation, the situation that the equipment moves and consequently the operation is influenced during work is prevented, and the control over the equipment is more precise and faster; and containing cotton is arranged so that mobile phone shells can be prevented from being scratched during work, meanwhile the strength of products is guaranteed through die-cast formation and nanometer injection molding, the processing cost can be lowered greatly through electrolytic coloringsurface treatment, and meanwhile the metal appearance effect can be achieved.

The invention belongs to the sound equipment and movie and the television equipment field and discloses a projector convenient for angle adjustment. The projector convenient for angle adjustment comprises a projector main body; the upper part of the projector main body is provided with an extrusion cavity; the lower part of the projector main body is provided with a support cavity; the middle part of the projector is provided with a connection channel for communicating with the extrusion cavity and the support cavity; the extrusion cavity is internally provided with an air bag; the support cavity is internally provided with a single-action air pressure cylinder; the cylinder of the air pressure cylinder is hinged with the side wall of the support cavity; the end of the piston rod of the pressure cylinder is provided with a support block; a connection channel is internally provided with an air pipe for communicating the air bag and the air pressure cylinder; and the air pipe is provided with a one-way valve. The projector convenient for angle adjustment is fast in adjusting the projection angle.

The invention relates to the technical field of plate pushers and discloses a material mixing device of a reciprocating plate pusher. The material mixing device comprises a device box, a driving device and an overhaul device, wherein the inner bottom of the device box is connected with two ends of the driving device; the top of the driving device is connected with the bottom of the overhaul device; the driving device is composed of an electric telescopic rod, a stirring paddle, a pulley, connecting blocks, an upper box body, a rotating rod, a lug boss, a sleeve, a connecting rod, a lower box body and a flow guiding block; the base of the electric telescopic rod is connected with the inner top of the device box; an output rod of the electric telescopic rod is connected with the top of the upper box body; two sides of the upper box body are correspondingly connected with the opposite surfaces of the connecting blocks on two sides; and the ends, far away from the upper box body, of the connecting blocks are connected with two ends of the rotating rod. By the adoption of the material mixing device disclosed by the invention, the problem that a produced material cannot meet the using requirements and the production efficiency can be delayed because materials cannot be mixed more uniformly is solved.

The invention discloses a substation oil-filling equipment oil leakage rate monitoring system. A piezoelectric droplet measuring sensor collects oil drop dropping information when an oil drop at an oil leakage point passes through a sensor setting region; the oil drop dropping information is collected by an analog quantity AD interface and is input to a single-chip microcomputer; a lithium battery is adopted to supply power; and when the dropping speed is higher than a certain set value, leakage rate is calculated after circuit processing and single-chip microcomputer processing, and the leakage rate is sent to a set mobile phone through a GSM module in the form of a short message, thereby facilitating to carry out real-time tracking on the leakage trend, helping operation and management personnel of a substation to know the oil leak information of the oil leakage point in time so as to make decisions and take effective measures in time, and preventing the trouble of long-term repeated patrol of the operation and management personnel of the substation.

The invention discloses a multifunctional meter-mounting and electrical connection line-folding clamp. The multifunctional meter-mounting and electrical connection line-folding clamp comprises a mainclamp body and an auxiliary clamp body, the main clamp body sequentially comprises a main clamp lip, a main clamp cheekbone and a main clamp handle from front to back, the corresponding auxiliary clamp body sequentially comprises an auxiliary clamp lip, an auxiliary clamp cheekbone and an auxiliary clamp handle from front to back, and the front end of the main clamp cheekbone and the front end ofthe auxiliary clamp cheekbone are in hinged connection with the main clamp lip and the auxiliary clamp lip correspondingly. An angle folding device is arranged at the front ends of the main clamp lipand the auxiliary clamp lip and comprises a pressing plate arranged on the main clamp lip and a supporting plate arranged on the auxiliary clamp lip, and the bottom end of the pressing plate and the top end of the supporting plate have the same line-folding angle. The tail ends of the pressing plate and the supporting plate are connected with the main clamp lip and the auxiliary clamp lip correspondingly. A line straightener is arranged between the main clamp lip and the auxiliary clamp lip and comprises brackets and line-pressing wheels, wherein the brackets are symmetrically and rotatably arranged on the main clamp lip and the auxiliary clamp lip correspondingly, and each bracket is at least provided with the corresponding line-passing wheel with an arc-shaped groove. A line-stripping device and a line-stripping cutter distance adjusting device are arranged on the main clamp cheekbone and the auxiliary clamp cheekbone. The multifunctional meter-mounting and electrical connection line-folding clamp has the characteristic that guide lines can be bent, straightened, stripped and sheared.

The invention discloses camphor wood ball cutting equipment and relates to the technical field of automatic cutting equipment. The camphor wood ball cutting equipment comprises a machine base, an inverted L-shaped mounting seat, a cylinder and a cutting mechanism, wherein the machine base is in a shape of horizontal rightward U; base platforms are arranged on the inner bottom wall of the machine base; the mounting seat is arranged in the machine base through two symmetrically arranged first hydraulic cylinders. According to the camphor wood ball cutting equipment, the cutting mechanism and a baffle are arranged so as to prevent wood chips from being continuously accumulated upwards in ball cutting heads; the residual wood chips in the ball cutting heads can be automatically discharged; the camphor wood ball cutting equipment is capable of ensuring that rough-surface camphor wood balls and smooth-surface camphor wood balls can be smoothly machined under different rotating speeds of the wood; the camphor wood ball cutting equipment is also capable of preventing the wood chips from splashing out of the equipment or splashing to corresponding transmission parts to influence the operation of the equipment; a plurality of first ball cutting heads and lower jacking discs are arranged and can rotate at the same time, so that the cutting efficiency is greatly improved; and the first ball cutting heads and second ball cutting heads are arranged in a superposing manner, so that two conventional types of tools can be automatically switched.

The invention discloses a centralized loop chain management conveying system for metal machining cuttings and a conveying method thereof, and relates to the technical field of cuttings treatment. According to the centralized loop chain management conveying system for the metal machining cuttings and the conveying method thereof, through a driving assembly and multiple scraping plates arranged in a machine body, after the cuttings enter the machine body through a feeding hopper, the cuttings can be scraped and conveyed through the multiple running scraping plates; meanwhile, a plurality of spring bodies and sector plates are arranged in the scraping plates, so that the bottoms of the scraping plates can make contact with the interior of the machine body all the time; the conveying effect of the cuttings can be guaranteed through mutual attachment of the bottoms of the sector plates and the inner wall of the machine body; and meanwhile, through cooperation between transmission rings arranged on the outer sides of a plurality of transmission chains and limiting rings, deflection during operation of the scraping plates can be reduced, meanwhile, and pulling force borne by the transmission chains is reduced, so that the machine body and the driving assembly in the machine body are better protected, and the service life of the equipment is prolonged.

The invention discloses an oil pipe sealing test table and an application method thereof. The oil pipe sealing test table comprises a table surface, a cabinet, lift legs, universal wheels, an equipment stand, an air pump carriage, an oil pipe fixing device, an operating console, a motor, an air pump, an air outlet pipe, a plugging head, a rubber gasket and an air pressure sensor. The oil pipe sealing test table is advantaged in that the lift legs and the cabinet are in movable connection and can excellently adjust height of devices, the oil pipe fixing device is provided with a fixing clamp inan arc structure, during use, one segment of the oil pipe is tightly clamped to prevent the oil pipe from rolling, the clamp is designed to be the arc structure, so the oil pipe can be prevented frombeing damaged because of extrusion, the equipment stand is internally equipped with a water tank, the oil pipe is disposed in the water tank, leakage points can be determined through observing bubbles, the oil pipe fixing device can move up and down on the equipment stand through a connection track, the oil pipe is prevented from remounting after being taken down from the sealing plug, operationis convenient, the motor and the air pump are electrically connected with the operating console, and air outgoing of the air pump can be controlled through the operating console.

The invention relates to a movable gripper insulating rod. The movable gripper insulating rod comprises a working piece, a movable connecting piece and an insulating rod, wherein the working piece comprises a movable clamp, a supporting steel wire and an elastic adjuster; the movable connecting piece comprises a rotating cover and a universal joint; one end of the movable clamp is in pin-shaft connection with the upper part of a movable clamp fixed foot; the supporting steel wire is arranged at the upper end of the movable clamp fixed foot; the lower end of the movable clamp fixed foot is fixedly connected with the upper end of a universal joint screw rod; the inner wall of the elastic adjuster is attached to the outer wall of the movable clamp, and the bottom of the elastic adjuster is inthreaded connection with the upper part of the universal joint screw rod; the lower part of the universal joint screw rod penetrates through the rotary cover to be in threaded connection with the upper end of the universal joint; and the lower end of the universal joint is fixed on the insulating rod through a universal shaft rod. The movable gripper insulating rod is simple in structure, and thework piece and the insulating rod are connected through the universal joint, so that a certain included angle is formed when people operate on the ground during opening and closing; and the rotatingrange of the universal joint is limited through the rotating cover, so that the movable gripper insulating rod is convenient to operate.

The invention discloses a basic material import method and system and computer equipment, and the importing method employs a unified entrance, reduces the frequent switching of an operation entrance for a maintainer, and reduces the probability of errors. A template importing method is adopted, and Chinese and English headers are designed for the template, so that recognition and operation are facilitated; a perfect data verification method is provided, and wrong data is effectively prevented from entering the system; an error data online correction scheme is provided, error data can be rapidly corrected, and the maintenance efficiency is improved.

The invention discloses an efficient cutting device for plate machining. The device comprises a support mechanism and a plate conveying platform; a cutting mechanism is arranged above the plate conveying platform; the support device comprises a pair of support surfaces, and a waste collecting tank embedded between the support surfaces; the plate conveying platform comprises a conveying panel, anda lifting panel arranged on the conveying panel; an extension shaft is arranged in the center of the conveying panel; an output end of the extension shaft is connected to the bottom surface of the lifting panel; the lifting panel can be horizontally ascended and descended; and a powder recovery mechanism is arranged on the outer side of the support mechanism. Through arrangement of the lifting panel, the device can be suitable for cutting of plates with multiple thicknesses; and in addition, the cutting mechanism can be transversely and longitudinally operated, so that the cutting work is moreflexible, and the application range is wider.

The invention is suitable for the technical field of application processing, and provides a function switch-based application control method and a server. The function switch-based application controlmethod comprises the steps of embedding corresponding function switches into a configuration layer, menus of all levels and function points of an application; detecting running information of the configuration layer, the menus of all the levels and the function points; and when the running information of the configuration layer, the menus of all the levels and the function points is detected to be abnormal, controlling running states of the configuration layer, the menus of all the levels and the function points through the corresponding function switches. According to the method, when a function of the application is abnormal, the abnormal function can be controlled through the corresponding function switch, so that the running of the whole application is prevented from being influencedmore seriously, the running efficiency of the application is improved, and the user experience is enhanced.

The invention discloses a soil remediation device for gardens. The soil remediation device comprises a box body, a motor is installed at the top of the box body, the output end of the motor is connected with a stirring rod through a rotating shaft, blades are fixed to the two sides of the stirring rod, and the garden soil remediation device is provided with a water tank, an air extractor, an air inlet pipe, an air conveying pipe, a water outlet and an exhaust port; a worker adds water into a water tank through an exhaust port, a large amount of waste gas can be generated in the soil remediation process, at the moment, an air extractor is started through an operation table, and the air extractor works to enable the waste gas to enter from an air inlet pipe and convey the waste gas into the water tank through an air conveying pipe; and due to the fact that the air conveying pipe stretches into the lower portion of the interior of the water storage tank, when the waste gas enters the water, water can adsorb impurities in waste gas, the impurities are precipitated, emission of harmful gas is reduced, gas purification is more thorough, air pollution caused by the waste gas is reduced, meanwhile, the gas in the water flows upwards, a large number of bubbles are generated in the water in the water tank, and the gas is exhausted through the exhaust port.

The invention relates to the technical field of medical instruments, in particular to a lengthened water flushing and water sucking dissection stick for a laparoscopic operation. The lengthened water flushing and water sucking dissection stick comprises a hollow stick body, a handle end fixed to the rear end of the stick body, an operation end fixed to the front end of the stick body and multiple through holes formed in the operation end. A water flushing end is arranged at the rear end of the handle end, and a water sucking end is arranged on one side of the handle end. The water flushing and water sucking dissection stick can accurately conduct flushing, sucking, dissecting, exposing and other operations through the through holes, the water flushing end and the water sucking end, subsidiary injuries caused in the inspection process are reduced, hematocele and hydrops can be removed in a sucked mode at any time, the operation field can be kept clear, operation quality is improved, instruments do not need to be replaced frequently by getting in and out of the abdominal cavity, and a lateral hole is formed in a single side of the operation end, so that the problem that the operation is affected due to the facts that air in the abdominal cavity is lost and abdominal pressure is made to reduce can be solved. The lengthened water flushing and water sucking dissection stick is simple in structure, high in controllability, economical and practical.

The invention discloses a dust-free workshop moving shielding room. The dust-free workshop moving shielding room comprises a workshop body, a shielding base is installed at the bottom of the workshopbody, the area of the shielding base is larger than that of the cross section of the workshop body, at least four walking wheels are installed at the bottom of the shielding base, and at least two ground contact braking mechanisms are symmetrically installed at the two ends of the shielding base; base plates are spliced to the bottom of the workshop body and the upper end of the shielding base; anelectromagnetic shielding layer fits the inner wall of the workshop body, and a door body is installed in the side wall of the workshop body. By means of the dust-free workshop moving shielding room,concave-and-convex clamping design, namely the embedding cooperation of a shielding frame and a shielding block is adopted for the door body and the workshop body, the linear size of the door body and the workshop can be reduced, and the electrical connection between contact faces of the door body and the workshop body is guaranteed; by means of the design mode, the electrical continuity of the contact faces can be effectively guaranteed, and the problem in the traditional art that a shielding body is discontinuous due to gaps of the door body is effectively solved.

The invention discloses an automatic hay cutter for livestock breeding. The automatic hay cutter comprises a right protecting outer cover, a feeding chute, a speed regulating rod, a body, a clean discharge mechanism, a left protecting cover, a discharge outlet, angle iron, a bottom frame and moving wheels and is characterized in that the clean discharge mechanism comprises a worm device, a pushingdevice, a support rod, a conveying device, a cutting device, a bin, a feeding device, a transmission device, a starting device and a pulling device, the worm device is fixedly arranged at the bottomof the pushing device, the support rod is arranged at the top end of the pushing device, the support rod is in clearance fit with the pushing device, the conveying device is arranged on the left of the support rod, and the conveying device is in clearance fit with the support rod. By the arrangement, the automatic hay cutter has the advantages that the operation of the hay cutter can be effectively prevented from being affected by residual materials inside the hay cutter, the materials can be discharged orderly through a worm, arranging by staff is not needed, the service life of the hay cutter is prolonged effectively, and the work efficiency of the hay cutter is increased effectively.

The invention discloses an assembly supporting seat assembly structure, which comprises a positioning mouth plate, a main bearing pack assembling plate, a limiting bottom plate, ventilation holes, ananti-skid layer, a ventilation seat and a filter screen, wherein the anti-skid layer is arranged at the bottom end of the limiting bottom plate; the positioning mouth plate is welded at the upper endof the limiting bottom plate; a limiting hole is formed in the positioning mouth plate; the main bearing pack assembling plate is welded in the limiting hole; the ventilation seat is arranged on the main bearing pack assembly plate; and the filter screen is arranged in the ventilation seat. According to the assembly supporting seat assembly structure disclosed in the invention, the structural design is simple and reasonable, the bottom end of the limiting bottom plate is provided with the anti-skid layer, the anti-skid layer is of an integrally formed structure formed by rubber injection molding, the rubber anti-skid performance is good, the fixity of the limiting bottom plate can be ensured, and the stability of the overall operation of the structure can be ensured; the ventilation seat is arranged on the main bearing pack assembling plate, the filter screen is arranged in the ventilation seat, the aperture of the filter screen is 0.22 mm-0. 5 mm, fine impurities can be removed, and the impurities are prevented from entering a cooling ventilation system to influence the operation of the whole test.

The invention discloses a connection structure of municipal water supply and drainage pipelines, which comprises a connecting body and a sealing unit arranged between the connecting body and the pipeline. One end of the body is a connecting flange, and the center of the other end is provided with an axial mounting hole, and the pipe is installed in the mounting hole and is in sliding fit with the connecting body. The present invention is used in pairs and does not have high requirements for the accuracy of the distance between the end faces of the two pipes to be connected, which is especially suitable for emergency operations of municipal pipes, with high efficiency during operation, rapid connection, high reliability, low labor intensity and No disassembly of the pipe is required. A tapered compression sleeve is arranged between the invention and the pipeline, and the compression sleeve is tightened between the pipeline and the movable flange by a set screw so that the pipeline and the movable flange are fixedly connected. The present invention does not need to use special tools during installation, and does not require high operating skills of operators.

The invention relates to a stably-running optical fiber transceiver for network communication. The optical fiber transceiver comprises a shell, a wiring mechanism and four supporting mechanisms, the wiring mechanism comprises a translation assembly, a translation block, a support rod, an opening, a wiring board and a hinge assembly. The supporting mechanism comprises a supporting pipe, a suction cup, a fastening assembly and an air exhaust box. An air exhaust assembly is arranged in the air exhaust box; the air exhaust assembly comprises an air exhaust plate, an air exhaust unit and an air exhaust opening. According to the stably-running optical fiber transceiver for network communication, an external optical fiber can be conveniently accessed through the wiring mechanism; the optical fiber interface is adjusted to the lower part of the shell; in addition, the optical fiber transceiver is fixed on a desktop through the supporting mechanism, the situation that the operation of the equipment is affected by poor contact between the optical fiber and the equipment after the equipment deviates is prevented, the stable operation of the equipment is further guaranteed by fixing the position of the equipment, and the practicability of the optical fiber transceiver is improved.

The invention relates to the technical field of power distribution cabinets and in particular relates to a drawer structure of a low-voltage cabinet. The drawer structure comprises a drawer body, a unit room bottom plate, a fixing mechanism and rolling wheels, wherein an inner side wall of the drawer body is provided with a push rod guide groove parallel to the bottom surface of the drawer body; a push rod is located in the push rod guide groove; a spring seat I is arranged at the front end of the push rod; one end of a spring sleeves the spring seat I and the other end of the push rod sleeves a spring seat II; a bulb plunger piston is arranged on a side wall of a button; a fixing sleeve sleeves the outer side of the button; the button penetrates through the fixing sleeve and stretches to the outer part of the drawer body; a connecting part is L-shaped; the rear end of the push rod is connected with one end of the connecting part; the other end of the connecting part is hinged to a plug pin. The drawer structure of the low-voltage cabinet provided by the invention can be used for fixing a drawer and is convenient to operate; the stability of the whole drawer is enhanced, and a condition that components are damaged, caused by the fact that the drawer falls off from a switching cabinet, is avoided.