477results about How to "Avoid affecting work" patented technology

The invention discloses a pipeline nondestructive testing device, and relates to the field of pipeline nondestructive testing. The pipeline robot comprises a pipeline robot body, the pipeline robot body is arranged in a supporting frame, the supporting frame is provided with a contraction mechanism, the contraction mechanism comprises a connecting shaft arranged on the supporting frame, the connecting shaft is slidably connected with a sliding block, the connecting shaft is sleeved with a compression spring, and the compression spring is located between the sliding block and the supporting frame. One end of a first connecting rod is rotationally installed on the sliding block, the other end of the first connecting rod is rotationally installed in the middle of a second connecting rod, and one end of the second connecting rod is rotationally installed on the supporting frame. According to the pipeline robot, the inner wall of a pipeline extrudes the rolling wheels, so that the second connecting rod and the first connecting rod are driven to rotate, the sliding blocks move along the connecting shafts, the compression springs can be extruded, the rolling wheels rotate in the direction of the pipeline robot body, and therefore the pipeline robot can be suitable for detection of different pipeline diameters.

The utility model belongs to the technical field of thin-wall angular contact ball bearings, and particularly relates to a thin-wall angular contact ball bearing capable of being quickly lubricated, which comprises a bearing component, the bearing component comprises an outer ring, a lubricating component is fixedly connected inside the outer ring, and clamping components are arranged at the upper end and the lower end of the inner wall of the outer ring. The lubricating assembly comprises six sets of piston cylinders fixedly connected to the interior of the outer ring, pistons are slidably connected to the inner walls of the six sets of piston cylinders, piston rods are welded to one sides of the pistons, and the surfaces of the piston rods are sleeved with springs. The bearing friction coefficient is reduced, the service life is prolonged, meanwhile, self-lubrication can be achieved through rotation of the balls, manual spraying is not needed, when the ball is separated from extrusion of the balls, the piston is driven to reset under the counter-acting force of the spring, and the service life is prolonged. And under the action of the one-way piece, lubricating oil can be effectively pumped into the oil storage tank through the oil pumping pipe.

The invention provides a low-orbit satellite high-capacity software on-orbit reconstruction method and system, and belongs to the field of satellite on-orbit reconstruction, and the method comprises the steps: S1, carrying out the batch and framing processing of an ultra-large-capacity reconstruction packet on the ground; s2, the satellite-borne management software verifies and writes the information service unit DRAM temporary area; s3, the satellite-borne management software carries out continuity verification on the current batch of reconstruction files in the DRAM temporary area, a result is downloaded to the ground, and the ground carries out supplementary injection of an error-missing packet according to telemetering; s4, the spaceborne management software writes the reconstructed file which is verified to be normal into a FLASH buffer area; s5, the satellite-borne management software forwards the complete reconstruction files to a terminal reconstruction unit in batches; and S6, after the terminal reconfiguration unit operates the reconfiguration version for a period of time, the spaceborne management software writes the reconfiguration file into the FLASH solidification area according to a ground instruction, and the reconfiguration file is used as a backspacing version. According to the method, the problem of on-orbit reconstruction of ultra-large-capacity software is solved, and the reconstruction efficiency of the satellite in the controllable arc section is improved.

The utility model relates to a high-temperature-resistant PCB circuit board comprising a heat dissipation core layer, an insulating layer and a surface metal layer which are sequentially stacked from inside to outside. The surface metal layer comprises a surface metal layer and an insulating layer, the edge of the insulating layer is provided with a board edge copper layer, the surface metal layer comprises a circuit layer and a heat dissipation copper layer, at least part of the heat dissipation copper layer extends to the edge of the insulating layer, and the board edge copper layer is respectively connected with the heat dissipation core layer and the heat dissipation copper layer. The high-temperature-resistant PCB circuit board can prevent heat from being accumulated on the circuit layer of the high-temperature-resistant PCB circuit board, so that the influence on the work of other electronic components is avoided.

The invention relates to the technical field of sewage treatment, and discloses sewage treatment equipment with a mixed liquid backflow device, the sewage treatment equipment comprises a power mechanism, the power mechanism further comprises a pool wall, the top of the pool wall is fixedly connected with a first supporting plate, and a first special-shaped gear is driven by a motor to rotate; when convex teeth on the first special-shaped gear are meshed with convex teeth on the second special-shaped gear, the first special-shaped gear and the second special-shaped gear rotate synchronously, and when the protruding position on the first special-shaped gear makes contact with the concave position on the first bevel gear, meshing connection of the first special-shaped gear and the second special-shaped gear is converted into sliding connection, and the second special-shaped gear stops rotating. When a protruding block on the first special-shaped gear is in contact with the correcting rod, the first special-shaped gear and the second special-shaped gear are driven again to be meshed, the second special-shaped gear rotates again, circulation is conducted in sequence, and a second bevel gear rotates intermittently, so that when the fan blades rotate, due to the effect of centrifugal force, the scraper scrapes outwards along the outer walls of the fan blades, and the fan blades are scraped outwards; and the surfaces of the fan blades are cleaned.

The invention discloses a method, a device and equipment for monitoring a vehicle-mounted air filter and a vehicle. The method comprises the following steps of: obtaining alarm pressure of an air inlet resistance sensor according to a theoretical life curve of the vehicle-mounted air filter; the state of the engine and the air inlet resistance measured by the air inlet resistance sensor are obtained in real time; and when it is detected that the engine is in the preset operation state, the air inlet resistance is larger than or equal to the alarm pressure and lasts for preset time, the vehicle is controlled to send out a first alarm signal. The vehicle-mounted air filter is monitored through the existing air inlet resistance sensor of the vehicle, other sensors and communication systems do not need to be added, the structure is simple, and cost is lower. The air inlet resistance measured by the air inlet resistance sensor is directly compared with the alarm pressure, only the air inlet resistance condition needs to be considered, factors such as the air quality and the air inlet amount do not need to be considered, the computational logic is relatively simpler, and the requirement for the operational capability of the ECU is low. The user can be accurately guided to maintain the air filter, and meanwhile, the user can reasonably plan the maintenance time, and normal work is prevented from being influenced.

The present invention relates to a fuel filter. The fuel filter comprises a cup-shaped shell with an open end, a cover body, a mounting bracket and a functional device, wherein the cover body closes the shell; the mounting bracket is fixed to the side of the cover body away from the shell; the functional device is fixed to the side of the cover body away from the shell by the mounting bracket; the cover body comprises a structural plate, and a pleated structure for enhancing the elasticity of the structural plate is formed in the area surrounded by the mounting bracket on the structural plate, and the functional device is supported on the pleated structure. In the above-mentioned fuel filter, if the height of the functional device is greater than its assembly height on the mounting bracket, then when assembling the functional device, due to the elasticity of the pleated structure, the functional device presses the pleated structure toward the shell, and then the functional device is installed on the mounting bracket. Therefore, the pleated structure on the structural plate can avoid the problem that the functional device is difficult to assemble, thereby avoiding affecting the operation of the fuel filter.

The utility model belongs to the field of protection equipment, and particularly relates to protection equipment for an instrument valve group, which solves the problem of how to facilitate the use of the instrument valve group on the premise of ensuring the protection effect in the prior art, and comprises a protection box, and an instrument valve group body is arranged in the protection box. Through mutual cooperation of the wiping mechanism, the heat dissipation mechanism and the transmission mechanism, when a servo motor is driven to work, a first fan and a second fan can rotate at the same time to generate wind power, the speed of air exchange between the interior and the exterior of the protection box is increased, the instrument valve bank body is prevented from working in a high-temperature environment, and the service life of the instrument valve bank body is prolonged. And when the servo motor is started, a reciprocating lead screw can be driven to rotate, when the reciprocating lead screw rotates, a cleaning block in threaded connection with the surface of the reciprocating lead screw can reciprocate, the surface of the observation window can be continuously wiped and cleaned through cleaning soft bristles on the surface of the cleaning block, and a large amount of dust is prevented from being accumulated on the surface of the observation window.

The utility model discloses a hot air circulation pastry baking machine which comprises a machine box, a first fan, an air inlet, an air conveying box, a second fan and a box door, the bottom of the machine box is provided with the first fan, the top of the machine box is provided with the air inlet, the rear side of the air inlet is connected with the air conveying box through a pipeline, and the right side of the air conveying box is provided with the second fan. An air outlet is formed in the left side of the air conveying box, a first sliding groove is formed in the outer side of the air outlet, and a supporting frame is connected into the first sliding groove. A hot air circulation structure composed of a first fan, an electric heating wire structure, an air inlet, an air conveying box, a second fan, an air outlet, an air conveying frame and nozzles is arranged in the baking machine, so that hot air blown out by the first fan is heated by the electric heating wire structure and then is sprayed out from the nozzles in the air conveying frame, and the nozzles are uniformly distributed at the bottom of a baking placement plate; therefore, the heat in the baking machine is more uniform, the baking uniformity is improved, and the baking effect is improved.

The invention provides a drainage robot and an automatic drainage method thereof, and relates to the technical field of drainage robots, the drainage robot comprises a vehicle body, and an electric push rod is fixedly mounted on the top surface of the vehicle body. The submersible pump is driven by the electric push rod to vertically move, the submersible pump can be automatically placed in a water source, the pump does not need to be manually placed in the water source, the operation steps are simplified, the labor burden is relieved, and after drainage operation is completed, through cooperative work of the friction wheel, the friction disc and the sponge column component, the water drainage efficiency is improved. The surface of the submersible pump and a water inlet pore plate are automatically cleaned, stains on the surface of the pump and the pore plate can be effectively removed, the situation that normal work of equipment is affected or drainage performance is reduced due to dirt accumulation is avoided, the manual maintenance frequency of the equipment is reduced through the automatic cleaning function, the efficient operation state of the drainage equipment can be kept, and the service life of the drainage equipment is prolonged. And the service life of the equipment is prolonged, so that the long-term maintenance cost is reduced.

The utility model discloses a photo-thermal power generation part supporting frame, and particularly relates to the technical field of photo-thermal power generation, the photo-thermal power generation part supporting frame comprises a bottom plate, the left side and the right side of the upper end of the bottom plate are fixedly connected with supports, the right sides of the supports are detachably connected with an angle adjusting device, and the upper end of the angle adjusting device is detachably connected with a fixing plate; a photovoltaic panel is detachably connected to the inner side of the fixing plate, automatic cleaning devices are fixedly connected to the upper end and the lower end of the fixing plate, hinge rods are movably connected to the four corners of the fixing plate, a first connecting plate is movably connected to the lower ends of the hinge rods, and an adjustable fixing device is detachably connected to the middle of the upper end of the bottom plate. According to the photo-thermal power generation part supporting frame, the angle of the photovoltaic panel can be adjusted so that the photovoltaic panel can keep the best incident angle with the sun all the time, dust or accumulated snow and the like accumulated on the photovoltaic panel can be automatically cleaned, the service life of a device can be longer, and fixing and moving of the device can be adjusted.

The invention relates to the technical field of energy storage converters, and discloses a grid-connected and off-grid switching control method for an energy storage converter, which comprises a method for switching the energy storage converter from off-grid to grid-connected and a method for switching the energy storage converter from grid-connected to off-grid. Phase angle pre-synchronization and amplitude pre-synchronization are subjected to time-sharing processing, and the problem of amplitude phase coupling existing in traditional pre-synchronization is avoided; phase angle pre-synchronization can be realized by the shortest path through phase angle processing; a fixed frequency is selected to adjust a phase angle, so that over-frequency and under-frequency protection of a load can be prevented from being triggered due to relatively large frequency change, and instantaneous voltage jump can be avoided by updating a reference voltage amplitude at a zero crossing point; according to the invention, by adding the auxiliary voltage loop, conversion from grid connection to grid disconnection can be realized under the condition of not sampling power grid side current; smooth switching under the condition of three-phase imbalance can be realized through split-phase control, and influence on normal work of the system due to voltage outer ring misjudgment caused by voltage fluctuation can be avoided through a PR regulator with errors.

The invention discloses an adjustable pressure reducing valve, and relates to the technical field of pressure reducing valves, the adjustable pressure reducing valve comprises a valve body, a valve cover, a diaphragm, a valve rod, a spring and a valve core, the valve body is internally provided with a filter cavity, the filter cavity is internally provided with a filter assembly, the valve body is externally provided with an overhaul assembly connected with the filter assembly, and the overhaul assembly is internally provided with a power assembly; a connecting rod is arranged between the power assembly and the valve rod and detachably connected with the valve rod, a washing assembly connected with the power assembly is arranged on the lower portion of the filtering assembly, and a cleaning assembly is arranged at the position, below the valve element, of the outer portion of the connecting rod. The purposes of filtering, intercepting and collecting impurities in water flow can be achieved, the impurities attached to the lower surface of the filter screen can be removed, water permeability and normal filtering of the filter screen are guaranteed, the impurities can be prevented from being clamped between the valve element and the valve seat after the valve element and the valve seat are closed, normal work of the pressure reducing valve is guaranteed, and the service life of the pressure reducing valve is prolonged. And meanwhile, the overhaul, cleaning and maintenance work of corresponding parts is quicker and easier to operate.

The present invention relates to the technical field of electric power equipment, and discloses a grounding resistance test device for power distribution installation, including a resistance tester, the resistance tester including a main shell and a flip cover rotatably connected to the main shell, at least one storage box is arranged on the side of the main shell, a winding mechanism is installed in the storage box, the winding mechanism is used to wind up the test cable of the resistance tester, and two outlet holes are arranged on the shell of the storage box for the connectors at both ends of the test cable to pass through. The grounding resistance test device for power installation proposed by the present invention is provided with a winding mechanism capable of winding up the cable, and an auxiliary winding unit is provided, which can make the test cable neatly stored in the storage box, avoiding the messy arrangement of the cables and affecting the work. In addition, the winding mechanism and the auxiliary winding unit can work automatically, saving the time of manual winding and releasing, saving manpower and material resources, and improving work efficiency.

The utility model discloses a tobacco water and fertilizer integrated device which comprises a barrel body and a base fixedly installed below the barrel body, a water inlet pipe is connected to the upper portion of one side of the barrel body in a penetrating mode, a valve is arranged on one side of the outer portion of the water inlet pipe, and a water outlet pipe is connected to the bottom of the barrel body in a penetrating mode. A water outlet pipe is arranged in the barrel body, a water pump is connected to the end, away from the barrel body, of the water outlet pipe in a penetrating mode, the water pump is fixedly connected with the base, a water spraying pipe is connected to one side of the water pump in a penetrating mode, and a plurality of spraying heads are arranged on one side of the water spraying pipe; the rotating assembly comprises a water permeable frame arranged in the barrel body, and a fixing ring is fixedly installed in the barrel body. Water and fertilizer can be quickly and uniformly mixed, and impurities or particulate matters remained after mixing can be prevented from blocking a pipeline, so that the normal work of a water pump is prevented from being influenced.

The utility model belongs to the technical field of hot melt glue machines, and discloses an adjustable hot melt glue machine which comprises a base, one side of the top end of the base is fixedly connected with a pair of supports, the top ends of the supports are fixedly connected with an equipment frame, the top end of the equipment frame is provided with an open groove, the open groove is connected with a moving block in a sliding mode, and the moving block is fixedly connected with the base. An equipment box is fixedly connected to the top end of the moving block, first sliding grooves are formed in the two sides, close to the equipment frame, of the equipment box correspondingly, and the pair of first sliding grooves are slidably connected with first sliding blocks correspondingly. According to the device, through cooperative use of an electric push rod, a through groove and a glue scraping piece, the position of a nozzle of a glue spraying head after glue injection can be automatically cleaned, the situation that the nozzle of the glue spraying head is blocked by solidified residual glue, and the glue injection precision is affected is avoided, through arrangement of a storage box, the residual glue scraped by the glue scraping piece can be collected, and the device is convenient to use. The hot melt glue is prevented from falling on the placing table to influence normal work, and the working efficiency of the hot melt glue machine is greatly improved.

The invention relates to the technical field of sewage treatment, in particular to continuous anti-blocking dewatering equipment which comprises a dewatering cylinder and a filter cylinder, the dewatering cylinder and the filter cylinder are coaxially arranged, the axis of the dewatering cylinder is horizontal, the dewatering cylinder is located on the outer side of the filter cylinder, and a plurality of partition plates are arranged between the dewatering cylinder and the filter cylinder and annularly distributed around the axis of the dewatering cylinder. The surface of the partition plate coincides with the axis of the dewatering cylinder; the equipment can realize continuous dewatering and discharging operation under the condition of no shutdown, so that the process that a traditional filter press needs to be shut down regularly to clean filter discs and impurities is avoided, and the working efficiency is greatly improved; the part, corresponding to the dehydration space, of the filter cartridge is reversely subjected to backwashing treatment again through dehydrated sewage, it can be guaranteed that the filter cartridge has high liquidity all the time, the situation that the filter cartridge is blocked and normal work of equipment is affected is avoided accordingly, backwashing is conducted through the liquidity of the sewage generated through dehydration, and the service life of the equipment is prolonged. Water sources and water supply equipment can be saved, and automatic flushing work is achieved.

The utility model discloses a countercurrent closed type glass fiber reinforced plastic cooling tower, which belongs to the technical field of cooling towers, and is characterized by comprising a countercurrent closed type glass fiber reinforced plastic cooling tower body, an air inlet and a plurality of communicating pipes, and the front side of the countercurrent closed type glass fiber reinforced plastic cooling tower body is fixedly communicated with a filter box; a filter plate is fixedly connected to the inner wall of the filter box, and a cleaning mechanism is arranged in the filter box; the cleaning mechanism comprises a moving pipe, a plurality of bristles and a plurality of dust suction holes, and the problems that after a brush plate provided in the prior art brushes away dust on the surface of a filter plate, the dust can be attached to the surface of the brush plate and fall into a protective cover and cannot be thoroughly cleaned, and when air enters a through hole again, the dust cannot be thoroughly cleaned are solved. And dust can enter the cooling tower countercurrent closed type glass fiber reinforced plastic cooling tower body again, normal work of the cooling tower countercurrent closed type glass fiber reinforced plastic cooling tower body is affected, and therefore the use effect is affected.

The utility model discloses a skylight with a filtering function, which comprises a frame body mounted at the top of a cab, a skylight body is mounted above the frame body, a mounting frame body is mounted in the frame body, and a filter screen capable of preventing mosquitoes is mounted in the mounting frame body; the mounting frame body is composed of a fixed frame and a movable plate, the fixed frame is fixedly mounted on the inner wall of the frame body, a connecting column is fixedly mounted at the lower end of the fixed frame, a positioning block is slidably mounted in the connecting column, and a control module is mounted in the side edge of the fixed frame. And the control module is used for pulling the positioning block to retract into the connecting column. According to the skylight with the filtering function, outside mosquitoes are filtered through the filter screen installed in the frame body, influences on work of operators in a cab are avoided, meanwhile, the filter screen can be conveniently and rapidly disassembled, assembled and cleaned, and the ventilation effect of the skylight is guaranteed.

The invention discloses an electric energy metering device state prediction method, and belongs to the field of electric energy metering devices. The electric energy metering device state prediction method comprises the following steps: S1, predicting fault time and residual life of an electric energy meter; s2, judging an operation state; s3, predicting the health degree of the electric energy metering device; s4, predicting the error state of the electric energy metering device; and S5, comprehensively evaluating the state of the electric energy metering device. The method solves the problem that the existing operation state evaluation method cannot predict the health and fault conditions of the electric energy metering device and thus cannot make corresponding countermeasures in advance, can timely know the residual life of the time machine when the fault of the electric energy metering device occurs, facilitates the timely making of a maintenance plan, and improves the maintenance efficiency of the electric energy metering device. The workload of the electric energy metering device is reduced, the accuracy of the prediction result is improved, and the maintenance efficiency is improved.

The invention belongs to the technical field of hydrogen cylinders, and discloses a liquid nitrogen auxiliary type low-temperature high-pressure hydrogen cylinder and a using method thereof.The liquid nitrogen auxiliary type low-temperature high-pressure hydrogen cylinder comprises an inner bottle liner integrated valve, a cylinder body and an outer bottle liner integrated valve which are sequentially arranged from top to bottom; the bottle body comprises an outer bottle body, an inner bottle body, an inner container bottle opening and an outer container bottle opening, the inner bottle body is arranged in the outer bottle body, the outer wall of the inner bottle body is separated from the inner wall of the outer bottle body to form an outer container cavity, the inner container bottle opening is arranged at one end of the outer bottle body and communicated with the inner bottle body, and the outer container bottle opening is arranged at the other end of the outer bottle body and communicated with the outer container cavity; the inner bottle liner pile-up valve is fixedly connected with a bottle opening of the inner liner, the outer bottle liner pile-up valve is fixedly connected with a bottle opening of the outer liner, the inner bottle body and the outer bottle body store vehicle-mounted hydrogen in a high-pressure cryogenic mode, and if collision occurs, liquid nitrogen on the outer layer can dilute the high-pressure hydrogen; the problems that in the prior art, the pressure of hydrogen stored in a hydrogen cylinder is too large, explosion occurs, a heat preservation layer and a pressure bearing layer have function interference, and the hydrogen cylinder cannot work normally are solved.

The utility model relates to the technical field of automobile dies, and discloses a die-casting die assembly for an automobile gearbox shell, which comprises a base and a guide post, a water cooling component is fixedly mounted on the outer side of the base, a limiting block is arranged on the outer side of the base, a positioning post is arranged on the outer side of the limiting block, and a fixing seat is fixedly mounted on the top of the base. A groove is formed in the fixing base, a sleeve is fixedly installed in the groove, a spring is fixedly installed on the outer side of the sleeve, and a top plate is fixedly installed on the top of the spring. According to the die-casting die assembly for the automobile gearbox shell, through the design of the water cooling assembly, water can enter from the water inlet pipe, then passes through the pipeline and is discharged from the water outlet, water cooling can be conducted on the whole die, the heat dissipation efficiency and the uniformity in the heat dissipation process can be improved through the S-shaped pipeline, the situation that the cooling time is long, and consequently the working time is wasted is avoided, and the service life of the die-casting die assembly is prolonged. And through the design of the positioning clamps, overall shaking can be reduced, and the situation that normal work is affected due to displacement of the pipeline is avoided.

The utility model discloses a kind of gradable construction waste screening machines, it is related to screening machine field, including vibrating screening machine, the vertical plate of vibrating screening machine rear side symmetry is provided;The inside of vibrating screening machine and the side of vertical plate are respectively rotatably connected with two rotating rods, and rotating rod passes through vibrating screening machine and is respectively connected with winding roller with vertical plate, and winding roller is connected with screen between;The surface of vibrating screening machine is hinged with guide plate close to upper side screen, and the surface of vibrating screening machine is hinged with cylinder that is hinged with guide plate;The inner wall of vibrating screening machine two sides is respectively symmetrically provided with the fixed plate that is contacted with screen bottom end.

The utility model discloses an air jet spinning device for nanofiber membrane processing, which comprises a deck plate, a vertical frame fixedly connected to the middle of the back of the deck plate, cylinders fixedly mounted on two sides of the top end of the vertical frame, a fixing plate fixedly connected to the bottom ends of the two cylinders, a rotating seat fixedly connected to the middle of the bottom end of the fixing plate, and a rotating shaft fixedly connected to the rotating seat. The inner wall of the rotating seat is rotationally connected with a nozzle through a first bearing, a stepping motor is fixedly installed on the side wall of the rotating seat, a transverse shell is fixedly connected to one side of the top end of the tabletop plate, a servo motor is fixedly installed at one end of the transverse shell, and a displacement cylinder is rotationally connected to the inner wall of the transverse shell through a second bearing. According to the air jet spinning equipment for processing the nanofiber membrane, the air cooling structure is arranged, after nanofiber is jetted to the collector, solidification of the nanofiber can be accelerated, the production efficiency is improved, spun yarn scattered on the table top of the equipment can be cleaned by driving the brush rod to move, and normal work is prevented from being affected.

The sweeper with the self-cleaning function comprises a shell assembly, a roller brush is installed on the lower wall of the interior of the shell assembly, a cleaning assembly is installed at the upper end of the roller brush, the cleaning assembly comprises a connecting telescopic rod, a second spring, a rotating shaft and a sweeping brush, one side of the connecting telescopic rod is connected with the second spring, and the other side of the connecting telescopic rod is connected with the rotating shaft. And the lower end of the connecting telescopic rod is connected with a rotating shaft. The sweeper with the self-cleaning function has the beneficial effects that the sweeper with the self-cleaning function has the hair self-cleaning function, so that the situation that too much hair is wound on the sweeper to affect work of the sweeper, the sweeper can be lifted up when the hair is too difficult to clean, the sweeper stops working, and the sweeper works after the hair of the sweeper is cleaned is avoided; in this way, it can be avoided that too much hair is accumulated and cannot be cleaned, the cleaning strength of the device can be gradually increased to the maximum strength in the cleaning process, and therefore the cleaning effect is improved, and it can also be avoided that the device is damaged due to too large cleaning strength.

The utility model relates to the technical field of copper wires, and discloses a copper wire cleaning device which comprises a fixing ring, a cleaning cabinet and a control panel, a penetrating through hole is formed in the upper end of the fixing ring, a wiping cylinder is installed in the penetrating through hole of the fixing ring, and the fixing ring and the wiping cylinder are rotationally connected through a first bearing. A plurality of threaded rods are installed on the outer side of the wiping cylinder in a penetrating and penetrating mode through threads, the threaded rods are annularly and evenly distributed, rotating blocks are fixedly installed at one ends of the threaded rods, connecting blocks are rotatably installed at the other ends of the rotating blocks, and the connecting blocks and the threaded rods are rotatably connected through second bearings; through the arrangement of the wiping cylinder, the first bearing, the threaded rod, the rotating block, the connecting block, the second bearing, the abutting plate, the wiping cotton and the guide assembly, by adjusting the position of the threaded rod, the wiping cotton on the inner side of the wiping cylinder is attached to materials more tightly, and therefore the wiping effect of the wiping cotton on the surfaces of the materials is guaranteed.

The invention discloses a high and low voltage power cabinet for electric power engineering, and relates to the technical field of high and low voltage power cabinets, comprising: a power distribution cabinet body, wherein a revolving door is rotatably installed on the inner wall of the power distribution cabinet body, a slide rail is slidably installed on the inner wall of the power distribution cabinet body, and a slider is slidably installed on the inner wall of the slide rail; a quick release device, wherein the quick release device is arranged on the surface of the slider, and comprises a mounting frame, a slide plate, a control switch, an L-shaped plate, an elastic telescopic plate, a triangular block and a short rod, wherein the control switch moves along the slide plate in a direction close to the mounting frame, which drives the L-shaped plate to move in a direction close to the mounting frame, and the L-shaped plate moves in a direction close to the mounting frame and contacts the inclined surface of the triangular block, wherein the mounting frame is fixedly installed on the surface of the slider, the slide plate is fixedly installed on the surface of the mounting frame, and the control switch is slidably installed on the surface of the slide plate, thereby ensuring that the control switch does not move during installation and ensuring the stability of the installation.