33results about How to "Reliable function" patented technology

This invention belongs to the field of medical device technology and discloses a foot pressure relief device for diabetic foot. It includes a base, a pressure relief plate and a motor connected to the base, and a foot pedal and a transmission assembly connected to the pressure relief plate. The transmission assembly includes a crank, a first connecting rod, and a sliding seat. The crank is fixedly connected to the output shaft of the motor, and the sliding seat is connected to the pressure relief plate. The two ends of the first connecting rod are respectively connected to the crank and the sliding seat. The sliding seat is connected to a foot rolling shaft and a second connecting rod, and the second connecting rod is connected to a foot massage roller. A buffer spring is provided between the pressure relief plate and the base. The foot pedal has a through groove, and the foot rolling shaft is connected to a foot massage roller. This invention utilizes the foot rolling shaft / foot massage roller and the foot massage roller to simultaneously perform rolling massage on the sole and instep of the foot. The periodic oscillation of the pressure relief plate causes the heel and toes to alternately rise, resulting in good pressure relief for the foot.

The application belongs to the technical field of medical devices, and discloses an oral cavity orthodontic mouth gag, which comprises a mouth gag body and a saliva suction pipe, the mouth gag body is provided with an upper lip supporting part, the upper lip supporting part is provided with a groove, the inner side of the groove is provided with a flexible adjusting bag, the upper lip supporting part is connected with an adjusting assembly, the adjusting assembly comprises an outer cylinder and a piston assembly, the outer cylinder is communicated with the flexible adjusting bag through a conduit, the conduit arranged at both ends of the outer cylinder is provided with a one-way valve, the mouth gag body is connected with a cheek opening part through an adjusting part, the cheek supporting part is connected with a clamping part, and the mouth gag body is further connected with a sleeve ring which is arranged in cooperation with the saliva suction pipe. The application adjusts the inflation state of the flexible adjusting bag on the inner side of the upper lip supporting part by means of the adjusting assembly, so as to adjust different opening degrees and improve the comfort when the upper lip is opened; the connecting position and angle of the cheek opening part and the mouth gag body are adjusted, so as to adjust the opening position and expose the visual field of the corresponding position.

The invention provides a clutch automatic door opening and closing device and refrigeration equipment, and belongs to the technical field of household appliances. The clutch automatic door opening and closing device comprises a driving mechanism, a transmission wheel and a clutch mechanism; the clutch mechanism comprises a limiting part, a clutch locking part and a clutch pushing part which are arranged on the transmission wheel; the clutch locking part comprises a locking block capable of moving along the first rotating shaft, a spring bolt capable of moving in the first radial direction and a first reset piece connected with the locking block and the spring bolt. The clutch pushing part moves in the first radial direction and drives the spring bolt to move along the first rotating shaft through the locking block, so that the spring bolt is matched with the limiting part; when the spring bolt is matched with the limiting part and the transmission wheel bears abnormal acting force larger than a first preset value, the limiting part forces the spring bolt to retract in the first radial direction and compress the first reset piece, the spring bolt is separated from the limiting part, the locking block is kept still, and therefore impact force is prevented from being transmitted to the clutch pushing part; according to the clutch automatic door opening and closing device, impact force transmission during abnormal impact can be interrupted, so that all parts are protected.

The utility model relates to the technical field of filter grid, concretely is a kind of breeding pond water inlet filter grid of fish escape prevention, including frame, the surface of the frame is fixedly installed with screw rod holder, by setting screw rod, cleaning rod, spring, pressing plate, cleaning brush, scraper, utilize the synergistic effect of these structures, when motor drives screw rod rotation, screw rod block drives cleaning rod along slide rod steady movement, ensure that cleaning process is stable and without deviation, spring pushes pressing plate and makes brush piece closely adhere filter plate surface, guarantee brush piece overall contact, avoid brush leak, shovel-shaped scraper located below brush piece, can shovel stubborn impurities attached on filter plate first, then brush piece is thoroughly cleaned to residual small dirt, form the cleaning process of first shovel after brush, both can efficiently remove the plug on filter plate, and can protect filter plate from excessive wear, ensure that filter plate keeps good permeability state for a long time, effectively prevent impurity blockage and fish escape.

The utility model discloses a machine tool cutter assembly, which relates to the technical field of numerical control machine tools and comprises a base and a turning tool structure. The base comprises a straight plate part and an upper convex part, a sliding groove is formed in the upper surface of the straight plate part, an abutting part is arranged at the end, away from the upper convex part, of the sliding groove, and a V-shaped groove is formed between the side wall of the abutting part and the side wall of the sliding groove; the turning tool structure comprises a blade, a tool apron plate, a sliding block and a first linear driver. An inserting tip is arranged at the end part of the sliding block; and the inserting tip can be adaptively inserted and propped against the V-shaped groove. The first linear driver can push the tool apron plate to transversely move on the base in a reciprocating mode, and therefore the two blades arranged oppositely are driven to independently stretch out and retract. In the turning process, the state that one blade stretches out and the other blade retracts is kept, the problem that in the prior art, a boss-shaped structure collides with a blade in a non-working state can be solved, and the turning blade has better compatibility.

The utility model discloses a grease lubrication gear pump with an upper oil tank, and mainly relates to the field of lubrication pumps. Comprising a pump body, a motor is arranged on one side of the pump body, the pump body is further connected with an oil storage barrel, the oil storage barrel is arranged at the top of the pump body, a barrel cover is arranged at the top of the oil storage barrel, and a gear pump set directly connected with the motor is further arranged in the pump body. The top-mounted oil storage barrel has the advantages that the top-mounted oil storage barrel is adopted, and the problems that a traditional bottom-mounted oil barrel sucks air, and oil at the bottom is accumulated for a long time and wasted or deteriorated are solved; the gear pump set is adopted, a solution is provided for a medium-pressure large-flow grease system, and application and popularization are facilitated.

The invention discloses a nuclear power plant steam turbine blade microdefect ultrasonic detection method and system.The nuclear power plant steam turbine blade microdefect ultrasonic detection method comprises the steps that through a linear array probe and / or a two-dimensional matrix probe, in a nonlinear ultrasonic imaging mode, microcracks can be detected in time in the blade manufacturing period and the early running stage; complete blade structure and reliable function are guaranteed, and safe and stable operation of a nuclear power unit is ensured.

The utility model belongs to the technical field of vehicle-mounted mobile substations, and discloses a mechanical limiting device and a vehicle-mounted mobile substation, the mechanical limiting device comprises a first wiring terminal, the first wiring terminal comprises a first plate and a second plate which are connected with each other, and the second plate is connected with a limiting terminal; a sliding groove is formed in the limiting terminal; a sliding way plate is installed in the sliding groove in a sliding mode, and a sliding way matched with the sliding groove is arranged on the sliding way plate. A slideway connecting plate is arranged at one end, far away from the connected limiting terminal, of the slideway plate; the slideway connecting plate is connected with an insulator, the other end of the insulator is connected with an adapter plate, and the other end of the adapter plate is connected with a second wiring terminal. According to the utility model, the slideway plate and the limiting terminal are arranged on the mechanical limiting device, so that the distance between telescopic equipment such as a voltage transformer and a lightning arrester in the vehicle-mounted mobile transformer can be effectively ensured, and potential safety hazards are completely eradicated.

The utility model belongs to locking device technical field especially relates to a locking device and box body that upper cover opens and shuts, including base plate, the upper end of base plate is rotatably connected with flap, and the base plate is connected with the flap and has locking mechanism, the locking mechanism includes toothed structure spare, dog, locking elastic part, the dog can be connected or is separated with the realization of the card groove that is provided on toothed structure spare, one end of the dog away from toothed structure spare is equipped with handle, locking elastic part is located the one side of the dog away from toothed structure spare, first pivot is equipped between handle and dog, handle and dog can rotate around first pivot. The utility model is through the rotatable connection cooperation locking mechanism of base plate and flap, has realized the reliable locking of upper cover multi -angle and flexible opening and closing function.

The invention discloses a two-dimensional code equipment adaptive control method and system based on the Internet of Things, equipment and a medium, and relates to the technical field of two-dimensional code monitoring, and the method comprises the steps: determining the overlapping ratio of a two-dimensional code and an adjacent two-dimensional code on an equipment state time axis based on a cumulative contribution equal division method, forming a first sharing ratio array, and forming a second sharing ratio array; converting into an equipment state time period, and generating a plurality of groups of second sharing proportion arrays through continuous displacement disturbance; establishing a corresponding relation between the sharing proportion and the state sampling initial offset and the coverage span, and mapping a second sharing proportion array into a self-adaptive control object to control two-dimensional code monitoring; based on monitoring results under different sharing proportion arrays, self-adaptive control reward scores are updated and trained through state feedback accumulation, a second sharing proportion array is compressed into an overall sharing representation value, and an optimal scheme is screened in combination with the reward scores. The problems of insufficient monitoring precision and continuity of the two-dimensional code caused by state splitting or abnormal dilution in the existing method are solved.

This utility model discloses an automatic sprinkler curing device for cap beams, relating to the field of cap beam construction technology. It includes a bottom support clamp, a support frame, and a sprinkler module. The sprinkler module is connected to an automatic water supply module. The bottom support clamp is clamped to the outer surface of the upright support column. The support frame is M-shaped, with a first slot and a second slot for respectively securing two upright support columns. Two first clamping rods are provided and respectively installed and fixed in the first and second slots. Two second clamping rods are provided and respectively detachably installed at the opening positions of the first and second slots. This utility model utilizes the bottom support clamp to install the support frame and sprinkler module under the cap beam. The automatic water supply module intermittently supplies water to the sprinkler module, achieving intermittent automatic sprinkler spraying and improving the degree of automation. The support frame and sprinkler module can be inserted horizontally directly below the cap beam rather than diagonally below, thereby achieving comprehensive sprinkler spraying of the cap beam's bottom surface and avoiding sprinkler dead zones.

This invention provides an electron beam composite functional device. The device includes: a deflecting electrode assembly configured to form a deflecting electric field to deflect the electron beam; the assembly includes a longitudinally extending, non-contacting first electrode and a second electrode; a metal receiver fixedly disposed below the first and second electrodes, configured to absorb the deflected electron beam and convert it into a current signal for beam current detection; the metal receiver has a differential pressure orifice, which serves as the only gas passage between the two vacuum chambers on the upper and lower sides of the device, forming high flow resistance to maintain a pressure gradient between the two vacuum chambers, achieving vacuum pressure differential isolation; and an insulating sealant sleeved on the outside of the first and second electrodes, configured to achieve electrical insulation between the first and second electrodes and a vacuum seal for the entire device. This invention simplifies the structure, improves space utilization, and achieves prevention of charge accumulation, high voltage withstand capability, and vacuum pressure differential isolation.

The utility model relates to a kind of slide recycling storage device, including horizontal pushing mechanism, lifting drive mechanism, connecting plate, recycling slide storage box seat and recycling slide storage box;Horizontal pushing mechanism is used to push sample slide into recycling slide storage box;Lifting drive mechanism is used to drive recycling slide storage box seat up and down movement;Connecting plate is used to connect horizontal pushing mechanism and lifting drive mechanism;Recycling slide storage box seat is installed on lifting drive mechanism, for placing recycling slide storage box;Recycling slide storage box is used to recycle and store sample slide.The utility model is small in size, reliable in function, after detection is completed, the slide recycling storage device is convenient for storing and storing sample slide, the detection result has traceability and recheck feasibility, when medical staff or patient questions detection result, stored sample slide can be taken out to carry out secondary verification, effectively meet recheck demand, with better user experience.

The utility model relates to the technical field of aluminium -wood assembly equipment especially a dust removal workstation for aluminium -wood composite window assembly, it includes workstation frame, a plurality of bolts and a plurality of nuts, the top of workstation frame is connected with two workstation faces that open a plurality of small holes, the inside installation of workstation frame has two filter assemblies, both ends in the inside of workstation frame are all opened negative pressure cavity, the inside of two negative pressure cavities is linked with corresponding filter assembly respectively, the inside fixed connection of workstation frame has two fans, the output fixed connection of fan is in one end of negative pressure cavity. The utility model has the door and window assembly workstation frame of adsorbing wood dust, can realize the adsorption function of the wood dust of aluminium -wood window type in the secondary processing of polishing, punching etc. in the assembly process, compared with the existing air gun blows the process of scrap, can realize the effect of more efficient, more neat, more quality aluminium -wood door and window assembly work.

The utility model discloses a thermal insulation glue storage barrel, which relates to the technical field of storage containers and comprises an outer barrel, a cover body, a connecting component, a heating wire and an inner barrel, a first edge fin is arranged at the top of the outer side wall of the outer barrel, a second edge fin is arranged at the outer edge of the cover body, a first clamping groove is formed in the outer edge of the first edge fin, and a second clamping groove is formed in the outer edge of the second edge fin; the connecting assembly comprises a supporting protrusion, a stud and a crimping part. The supporting bulge is fixedly connected with the outer cylinder; the bottom end of the stud is hinged to the supporting protrusion, the middle of the stud can be clamped into the first clamping groove and the second clamping groove and is in a vertical state, and the upper portion of the stud is in threaded connection with the crimping part. And the crimping part can rotate and push the cover body to crimp the outer barrel. The outer end of the supporting protrusion bears upward pulling force, so that when the supporting protrusion bends and deforms, the upward moving amount of the outer end of the supporting protrusion can be matched only by further rotating the pressing connection piece, pressing and sealing of the cover body and the outer barrel are guaranteed, and the reliability of air pressure feeding is improved.

The application relates to the walnut processing technical field and discloses a walnut ultrasonic shell breaking and kernel taking device, which comprises a rack, a walnut conveying mechanism arranged on the rack, a walnut shell breaking mechanism and a material collecting mechanism. The walnut conveying mechanism is used for driving the fallen walnuts to move and is conveyed to the walnut shell breaking mechanism. The walnut shell breaking mechanism drives the walnuts to move and extrudes the walnuts to break the shells through ultrasonic high-frequency vibration. The material collecting mechanism is used for screening and collecting the walnut kernels and the walnut shells after the shells are broken. The walnut conveying mechanism, the walnut shell breaking mechanism and the material collecting mechanism realize the processes of walnut conveying, extrusion shell breaking and recovery. The ultrasonic wave is applied to the walnut shell breaking field. The walnut shells in Yunnan are hard and have small kernel-shell gaps. The high-frequency vibration under the mechanical effect of the ultrasonic wave is suitable for the characteristics of hard and brittle material breaking, assists the walnut shell breaking, and improves the shell breaking rate and the whole kernel rate.

The utility model discloses a trailer device with a power taking function, and relates to the field of automobile accessories. The trailer device with the electricity taking function comprises a cross beam, a trailer hook, a power supply adding port, an OBC vehicle-mounted charger and a power supply output element, the cross beam is connected with an automobile, the trailer hook is fixedly installed on the cross beam, the power supply adding port is fixedly installed on the cross beam and connected with an automobile vehicle-mounted power supply, the OBC vehicle-mounted charger is fixedly installed on the cross beam, and the power supply output element is connected with the OBC vehicle-mounted charger. And the power supply output element is fixedly arranged on the outer side of the trailer hook and is connected with the OBC vehicle-mounted charger. According to the trailer device with the electricity taking function, the functions of reliable traction and stable electricity taking in the trailer process are achieved by integrating mechanical connection and an electrical electricity taking system. The device not only ensures the safety and stability in the towing process, but also provides continuous and stable power supply support for the towed vehicle or external equipment.

The utility model discloses a kind of protective door devices with limit, comprising: door frame upright, the quantity of door frame upright is two;Switch base is fixedly arranged in the front side of one side door frame upright;Limit switch, fixedly arranged in the front side bottom end of switch base;Limit linkage mechanism is arranged in the front side of switch base.The protective door device with limit, by setting limit linkage mechanism, to open and close limit switch, through limit switch and the equipment linkage of protection area, the operating state of signal transmission control equipment, play protection effect, eliminate safety hazard, this protective door device cost is low, simple to make, function stable and reliable, have good market prospect.

The present application relates to the technical field of roadway construction, and particularly relates to a platform expansion interlocking protection hydraulic system of a combined drilling and bolting machine, which comprises a load-sensitive electric proportional multi-way valve, a platform interlocking valve group, a balance valve and a platform expansion and retraction oil cylinder, the platform interlocking valve group comprises a two-position four-way manual reversing valve, a first hydraulic control check valve and a second hydraulic control check valve, the working position of the two-position four-way manual reversing valve is manually switched, a control oil source is provided for the first hydraulic control check valve and the second hydraulic control check valve, the first hydraulic control check valve and the second hydraulic control check valve are positively opened, and the main oil path of the platform expansion and retraction oil cylinder is controlled to be turned on and turned off. The present application solves the technical problem that the expansion of the anchor rod machine operating platform of the combined drilling and bolting machine in the prior art is insufficient in interlocking function realized by a manual ball valve, and avoids the harm of the operator being squeezed and the structural components being damaged.

The utility model relates to a light bar with two installation modes, which comprises a light shell, and the light shell is composed of an arc-shaped installation clamping groove, an installation step, a limiting rib, an arc-shaped guide rail, a front end face, a rear end face and a rectangular groove. The front end face and the rear end face are provided with a perforated plug and a non-perforated plug respectively, the circuit board assembly is installed in a rectangular groove of the lamp shell, and a cable penetrates through a wire outlet hole of the perforated plug to be connected with the circuit board assembly. The arc-shaped installation clamping grooves of the lamp shell can be assembled with the arc-shaped installation buckles of the installation buckles in a matched mode. The light bar can meet the installation requirements of two installation modes, the structure is reliable, and the whole light bar is stable and firm after being installed.

This invention discloses a tailpipe cementing annulus pressure-holding tool and its usage method, belonging to the field of tailpipe cementing technology. The tailpipe cementing annulus pressure-holding tool includes: an upper connector, a valve control unit, a valve plate, a valve seat, and a lower connector; the upper connector and the lower connector are fixedly connected; the valve control unit is slidably disposed inside the upper connector and the lower connector, and the valve control unit abuts against the upper connector and the lower connector respectively; one end of the valve control unit abuts against one side wall of the valve plate; the valve plate is rotatably connected to the valve seat; the valve seat is sleeved inside the lower connector, and the outer wall of the valve seat abuts against the inner wall of the lower connector; the valve seat is tubular, with two V-shaped grooves symmetrical about the center of the valve seat on its side wall. The tailpipe cementing annulus pressure-holding tool of this invention has a simple structure, reliable function, and is applicable to tailpipe cementing operations of most casing types, effectively improving cementing quality.

The utility model provides a power mechanism for a cantilever of a toy engineering vehicle, which comprises a first power mechanism for driving a large arm to rotate, a second power mechanism for driving a small arm to rotate, and a third power mechanism for driving an operation tool to rotate, the first power mechanism, the second power mechanism and the third power mechanism are all provided with power cases of the same structure, each power case comprises a case body, a motor and a tooth system, the motor and the tooth system are fixedly installed in the case body, the tooth system is driven by the motor to rotate, and the tooth system comprises a clutch gear set and a driving gear; the first power mechanism further comprises a first transmission gear meshed with the driving gear of the power case, the second power mechanism further comprises a second transmission gear meshed with the driving gear of the power case, and the third power mechanism further comprises a third transmission gear meshed with the driving gear of the power case.

The invention belongs to the technical field of nuclear power, and particularly relates to a nuclear power production data processing system and method based on a cloud native technology. According to the system disclosed by the invention, related principles of the ETL-NIFI framework are deployed on the basis of Kubernetes and Docker containerization virtualization technologies, and installation and deployment are simplified. And convenient NIFI installation, deployment and maintenance are provided, and powerful, safe, reliable and data migration functions are provided through the NIFI. Therefore, the manpower consumption of different data migration, backup and other requirements is reduced, and the accuracy and real-time performance of the data are ensured. Data migration can be realized through a user-defined processor according to different requirements, and high expansion is supported.

The utility model discloses a one-way exhaust valve for pneumothorax treatment. The one-way exhaust valve comprises an exhaust valve body and an air valve cover. The exhaust valve comprises a needle tube connecting part and a first air chamber; the lower end of the first air chamber is communicated and connected with the needle tube connecting part, and a bearing platform is arranged at the upper end of the first air chamber; first exhaust holes communicated into the first air chamber are distributed in the surface of the bearing platform; an elastic membrane is arranged on the surface of the bearing platform, and the size of the elastic membrane is configured to cover the first exhaust hole; the bearing platform is provided with a fixing cylinder which is perpendicular to the bearing platform and penetrates through the elastic membrane, and the top face of the fixing cylinder is provided with a limiting protruding edge. The thickness of the elastic membrane is smaller than the distance between the bearing platform and the limiting convex edge; the air valve cover is mounted on the outer side of the bearing platform, and the air valve cover and the bearing platform jointly define a second air chamber; and a second exhaust hole is formed in the air valve cover. The one-way exhaust device can provide one-way exhaust treatment for pneumothorax wounded persons outside hospitals, especially in battlefield environments after the pneumothorax wounded persons use thoracocentesis needles to conduct emergency puncture.

The utility model discloses a long lever labor-saving type adjusting handrail which comprises a stand column, a fixing frame and a handrail face, the handrail face is buckled on the fixing frame, the fixing frame is provided with a trigger and a fixing iron sheet, the trigger is connected with the fixing iron sheet through a rotating cylinder, so that the trigger can rotate around the fixing iron sheet, and the fixing iron sheet is fixed on the stand column. A spring is arranged between the trigger and the fixing frame, one end of the spring is connected with the trigger, and the other end of the spring abuts against the fixing frame. The stand column is sleeved with an adjusting fixing sleeve, and the adjusting fixing sleeve is fixedly installed on the stand column through a fixing cylinder. According to the adjusting handrail provided by the utility model, a long lever structure formed by the trigger is utilized, and the rotating cylinder is used as a fulcrum to be matched with the spring, so that a user can realize unlocking and angle adjustment only by small pressing force, and the labor-saving effect is achieved; the handrail surface can be greatly and easily adjusted, and the handrail is simple in overall structure, reliable in function and convenient to assemble.

This invention belongs to the field of biomedical materials and flexible sensing technology, and particularly relates to an implantable pressure sensor, its preparation method, and its application. The pressure sensor has a three-layer parallel plate structure, wherein the electrode layer is a conductive hydrogel prepared from polymerizable zwitterionic monomers, the dielectric layer is a microphase-separated hydrogel formed by copolymerization of acrylamide monomers and acrylate monomers, and the encapsulation layer is a biocompatible polymer fiber membrane. By controlling the material composition, polymerization conditions, and structure, the device achieves good matching with biological soft tissues in terms of water content and tissue adaptability. In terms of functional characteristics, the implantable sensor exhibits advantages such as sensitive pressure response and strong cyclic stability, and can be applied in fields such as tissue engineering, physiological or pathological signal monitoring, neural stimulation modulation, and drug delivery.

The invention discloses a shipborne container abnormal motion state detection method based on an isolated forest. The method comprises the following steps that a, a sensor is used for collecting six kinds of motion data of a shipborne container in real time, wherein the six kinds of motion data comprise the transverse acceleration, the longitudinal acceleration, the vertical acceleration, the transverse angular velocity, the longitudinal angular velocity and the vertical angular velocity; b, the development board is used for receiving, processing and analyzing the six kinds of motion data; c, calculating and judging whether each frame of motion data is an abnormal value by using an isolated forest algorithm, and giving an alarm for the abnormal value; d, storing all the collected motion data of the shipborne container in a container sailing log, storing the abnormal data in a container abnormal motion log, and giving an alarm for the abnormal value; the detection method can collect, process and analyze the inclination angle, speed, direction and other data of the container in real time, monitor and judge the posture, collision and vibration of the container, and early warn the abnormity in real time.

The application discloses a pile foundation abandoned steel reinforcement cage taking-out device and a construction method, and relates to the technical field of building construction equipment. The pile foundation abandoned steel reinforcement cage taking-out device comprises a salvager, and the salvager comprises a connecting cylinder, a plug-in column and clamping claws. The connecting cylinder is fixedly installed at one end of the plug-in column, the end of the plug-in column away from the connecting cylinder is provided with a plug-in tip, and the clamping claws are provided with two and are respectively installed at the left and right sides of the plug-in tip. The two clamping claws are located at the same height. The connecting cylinder is provided with an installation inner cavity, and the sidewall of the connecting cylinder is provided with a connecting lock column. The application has the advantages of simple structure, reliable function, convenient insertion of the salvager into the steel reinforcement cage and clamping connection with the steel reinforcement cage, thereby being used for the taking-out operation of the steel reinforcement cage, and solving the problem that the steel reinforcement cage in the pile hole is difficult to handle when the installation is not in conformity with the regulations. The tip of the clamping claw can be outwardly opened, so that the salvager and the steel reinforcement cage can be conveniently and stably clamped, the problem that the steel reinforcement cage is dropped due to loose clamping and thus repeated operation is required is avoided, the working hours are reduced, and the efficiency is improved.

The utility model provides a kind of looped net cabinet with operating hole cover, belong to looped net cabinet field, it is constituted by cable work store, cable chamber door, mechanism chamber, switch chamber, control box mechanism, mechanism chamber panel, display mechanism and operating hole cover mechanism, the problem that short life, poor reliability, frequent maintenance replacement is caused by the aging, embrittlement, mechanical strength deficiency of traditional plastic operating hole cover in this scheme is solved completely, ensure that cover always maintains structural integrity, function reliable, open and close smoothly, seal well in the entire looped net cabinet life cycle, significantly improve the tolerance of cover in harsh natural environment, chemical environment and mechanical environment, improve the mechanical protection capability, fireproof performance of cover itself, indirectly guarantee the safety of equipment and operating personnel in cabinet, torsional spring and pin shaft are made of high-quality stainless steel material, can fundamentally overcome the defects of plastic aging, embrittlement and chemical corrosion.