105results about How to "Avoid pressing" patented technology

The invention provides a production method of an invar alloy 4J36 hot-rolled coil, belongs to the technical field of invar alloy 4J36 hot rolling, and solves the problem that the invar alloy 4J36 hot-rolled coil needs to be efficiently produced. The plate blank is preheated and then heated after being ground, and the heated plate blank is subjected to high-pressure water descaling; and the descaled plate blank is rolled into an intermediate blank through seven-pass rough rolling, the intermediate blank is rolled into a black coil through five-pass steckel mill finish rolling, and the black coil is rolled into an invar alloy 4J36 hot-rolled black coil finished product. The method comprises the steps of slab component control, slab preheating and heating, rough rolling to obtain an intermediate slab, steekle mill rolling, coiling and the like, and surface oxidation generated in the heating process is reduced by adjusting the heating process; and through rolling of the steekle mill, dynamic recrystallization is fully carried out, the surface quality of the produced invar alloy 4J36 hot-rolled coil meets the product requirement, and the yield and the production efficiency are both remarkably improved.

The utility model discloses a liquid level float switch, which comprises a shell, a liquid level switch, a liquid level switch and a liquid level switch, the anti-reverse groove is formed in the shell; the fixing frame is inserted into the anti-reverse groove, and a storage area is arranged in the fixing frame; the steel balls are arranged in the storage area; the ballasting iron sand is arranged in the shell; the microswitch is arranged at the top of the fixing frame, and a cable of the microswitch sequentially penetrates through the ballasting iron sand and the bottom of the shell; the waterproof cover covers the fixing frame and the microswitch and is inserted into the ballasting iron sand; the epoxy resin fixes the waterproof cover, the ballasting iron sand, the fixing frame and the shell together. According to the utility model, the transparent special-shaped positioning waterproof cover is additionally arranged, so that water and gas can be prevented, a short-circuit fault caused by tin whiskers can be prevented, the top of the waterproof cover can be prevented from pressing a circuit through the positioning design of the waterproof cover, and the installation consistency is realized. And the problem of switch failure caused by reverse installation of the float switch is also solved.

The utility model relates to a liquid outlet mechanism of a hand press type sprayer, which comprises a seat body, the top of the seat body is provided with a # imgabs 0 # type liquid outlet channel and a compression cavity, and the compression cavity is arranged on the inner side of the # imgabs 1 # type liquid outlet channel and communicated with the # imgabs 2 # type liquid outlet channel. The cover shell is detachably fixed to the outer portion of the # imgabs3 type liquid outlet channel, the liquid inlet pipe is connected to an opening in the root of the # imgabs4 type liquid outlet channel in a sealed mode and located below the base body, the piston is movably connected to the interior of an opening in the end of the compression cavity in a sealed mode, and the elastic pressing assembly is arranged between the base body and the piston. The elastic pressing assembly comprises a handle and a connecting rod unit; the handle is rotatably connected below the end part of the # imgabs5 type liquid outlet channel; the connecting rod unit is movably connected between the root part of the handle and the top of the seat body so as to enable the handle to have an elastic resetting function; the end part of the piston is universally connected to the rear side of the middle part of the handle; according to the utility model, the handle can be effectively prevented from being pressed due to misoperation under the condition that spraying is not needed, so that inconvenience in daily use is eliminated; in addition, the liquid inlet speed is increased, so that the using effect is improved.

The utility model discloses an intelligent watch capable of being fixed quickly, which belongs to the technical field of watches, and comprises an intelligent watch main body, a watchband assembly is arranged below the intelligent watch main body, and the watchband assembly comprises a rotary supporting column rotationally connected with the bottom end of the intelligent watch main body. A shell is arranged at the bottom end of the rotary supporting column, an inner side watchband is arranged at one end of the shell, an outer side watchband is arranged at the other end of the shell, and the inner side watchband and the outer side watchband are magnetically connected through a buckle assembly. According to the utility model, the rapid attaching effect is achieved through the buckle assembly, and the attaching of the watchband is tighter through the mutual engagement of the sawteeth on the watchband.

The utility model discloses a folding computer keyboard, relates to the technical field of keyboards, and solves the problems that after the keyboard is folded, keys on two sides are easy to extrude each other, the keys cannot be reset after being extruded for a long time, and pressing pieces below the keys are easy to fail or damage. Through cooperation between a first connecting rod and a second connecting rod, the keyboard comprises a first keyboard body and a second keyboard body, first connecting holes are symmetrically formed in the side walls of the first keyboard body and the second keyboard body correspondingly, and the first connecting rods are interactively connected into the first connecting holes correspondingly; a second connecting rod is installed between the two first connecting rods in a hinged mode, second connecting holes are formed in the side walls of the first keyboard and the second keyboard, the second connecting holes are formed between the two first connecting holes, a gap can be reserved between the two keyboards through the second connecting rods, and when the keyboard body is folded, the keyboard body can be folded, so that the keyboard body is folded. And the mutual extrusion of the keys on the two sides is avoided.

The invention discloses an industrial production equipment control system, which comprises a data collection module, an equipment monitoring module and an equipment control module, and is characterized in that the data collection module is used for collecting visual images of strip steel in a rolling process, state data of equipment and comprehensive information of steel billets; the equipment monitoring module is used for detecting whether an oxide layer and sundries exist on the surface of a steel billet or not and detecting the thickness of machined strip steel and the curling state of a steel coil in real time, and the equipment control module is used for adjusting equipment according to the steel billet and problems occurring in the machining process. The data collection module, the equipment monitoring module and the equipment control module are electrically connected with one another, the data collection module comprises a visual module, a sensor module and a steel billet information input module, and the visual module is used for collecting visual images of the surface of a steel billet in the steel billet machining process. The method has the characteristics of improving the accuracy, the product quality and the percent of pass.

The utility model relates to the technical field of fishing raft frames, and discloses an anti-wave type fishing raft frame supporting pipe fitting which comprises a connecting piece, a positioning cylinder is fixedly installed outside the connecting piece, a supporting pipe is fixedly installed inside the connecting piece, a stabilizing pipe is fixedly installed inside the connecting piece, a positioning mechanism is arranged outside the supporting pipe, and the stabilizing pipe is fixedly installed inside the connecting piece. And a limiting mechanism is arranged outside the connecting piece. Through the arrangement of the positioning columns and the positioning holes, the positioning work of the positioning seats is facilitated, subsequent quick positioning of the buoys is facilitated, the distance between the buoys is conveniently controlled according to actual requirements, displacement of the positioning seats and the buoys is avoided, under the cooperation of the rope bundling grooves, the bundling ropes are limited, displacement of the bundling ropes is avoided, the stability of the buoys is ensured, and the service life of the buoys is prolonged. The stud and the positioning seat are installed in a threaded mode, the guide plate can conveniently slide in a sliding groove formed in the positioning seat, the pressing plate can conveniently press the binding rope downwards by rotating the stud, and therefore the binding rope is tensioned.

The utility model relates to the technical field of energy storage, and provides an energy storage cabinet and an energy storage assembly. According to the energy storage cabinet provided by the utility model, the bracket is arranged at the bottom of the cabinet body, and the bracket can be used for mounting the lifting rope, so that bottom lifting, namely bottom lifting, of the energy storage cabinet is realized. Specifically, because the protruding part exceeds the corresponding side surface of the cabinet body, the protruding part connected to the main body of the bracket can be used for tying a lifting rope, so that the lifting is convenient. Meanwhile, in order to restrain the trend of the lifting rope and prevent the lifting rope extending from the bottom of the cabinet body to the top of the cabinet body from being pressed on the main body frame and the side face of the cabinet body due to inclination of the lifting rope, the energy storage cabinet provided by the invention is further provided with a limiting component, and the inner edge of the hole part of the limiting component exceeds the corresponding side face, so that the safety of the energy storage cabinet is improved. The lifting ropes are tied to the protruding parts and abut against the inner edges exceeding the corresponding side faces, so that the lifting ropes are prevented from being pressed on the side faces of the cabinet body when extending to the top of the cabinet body from the bottom of the cabinet body.

The invention belongs to the field of cake pressing machines, and particularly relates to an automatic feeding device of a three-cylinder cake pressing machine, the automatic feeding device comprises a cake pressing machine main body, a pressing disc is slidably connected in the cake pressing machine main body, the pressing disc is located right above a supporting table, the supporting table is fixedly connected with the cake pressing machine main body, and the supporting table is fixedly connected with the cake pressing machine main body. Two sets of starting buttons are arranged at the front end of the cake pressing machine body, a supporting frame is fixedly connected to the front end of the cake pressing machine body, a supporting plate is fixedly connected to the top end of the supporting frame, the rear end of the supporting plate is fixedly connected with the cake pressing machine body, and a pushing mechanism is arranged at the top end of the supporting plate; through the structural design of the pushing mechanism, the function of automatically conveying the dough to the designated position on the supporting table is achieved, it is ensured that the feeding positions of the dough each time can be kept consistent, an operator does not need to bend down to check and adjust the positions of the dough, errors caused by manual feeding are reduced, and the working efficiency is improved. And the feeding process is more convenient, and the feeding efficiency is improved.

The present invention relates to a method for reducing the surface stripes of high-strength hot-rolled pickled strip steel, comprising the following aspects: the temperature of the slab in the preheating section of the heating furnace is 700-1000°C, and the time is controlled within 30-40 minutes; the temperature of the first heating section is 1100-1170°C, and the time is controlled within 50-60 minutes; the temperature of the second heating section is 1180-1250°C, and the time is controlled within 60-70 minutes; the temperature of the soaking section is 1150-1230°C, and the time is controlled within ≥35 minutes; the total furnace time is controlled within 180-230 minutes; the furnace discharge rhythm is controlled according to the thickness of the hot-rolled finished product; and hot rolling lubricating oil is sprayed onto the surfaces of the support roll and the working roll at the same time after the strip head bites the steel. The advantages are: avoiding cracks in the slab, improving the quality of the slab, and significantly improving the stripe defects of the hot-rolled pickled plate.

The utility model provides a PE (Poly Ethylene) plastic film punching device, which relates to the field of PE plastic film processing, and comprises a PE film punching machine body and a punching column, a punching machine is fixed at the upper end of the PE film punching machine body, the punching column is arranged at the lower end of the punching machine, an electric guide rail is arranged on the front end face of the PE film punching machine body, and the electric guide rail is arranged on the lower end face of the PE film punching machine body. The front end of the electric guide rail is connected with a dust removal plate frame through a connecting frame, a dust suction opening is formed in the lower end face of the dust removal plate frame, the right side face of the dust removal plate frame is connected with a dust collector through a dust suction pipeline, a motor is installed at the front end of the dust removal plate frame, and the rear end of the motor is connected with a dust removal cylinder through a rotating shaft. And an anti-static scraping plate is mounted on the outer side surface of the dust removal cylinder through a fixing bolt. The problem that in the prior art, dust particles on the stamping face of a stamping die are difficult to effectively remove, and consequently particulate matter is pressed into a PE plastic film is solved.

The invention discloses a device for sealing a vacuum furnace door, comprising a horizontally movable module, a quartz tube, a stainless steel furnace door, two spindle furnace door support rods and two silicon carbide rods. A horizontal slide groove is provided on the front of the horizontally movable module, a nut connecting seat is slidably connected inside the horizontal slide groove, a supporting base plate is fixedly installed at the bottom of the nut connecting seat, a supporting pad is fixedly installed at the middle of the top of the supporting base plate, linear bearings are fixedly installed at the four corners of the top of the supporting pad, and two opposite linear bearings are movably connected with the corresponding spindle furnace door support rods. In the invention, a quartz tube sleeve is sleeved outside the silicon carbide rod to prevent impurities from entering the workpiece, the quartz tube sleeve leads out of the stainless steel furnace door, and is sealed with a sealing bellows through a sealing ring, a nylon clamp is used to clamp the quartz sleeve to prevent the quartz sleeve from being pressed into the vacuum chamber by the atmosphere, and an aluminum sleeve and a spring work together to press the stainless steel furnace door at the lower side of the sealing bellows to prevent the stainless steel furnace door from tilting.

The present invention relates to the field of mold technology, and specifically to an automatic rotating core-pulling and demolding mold for bending pipes, comprising a workbench, a first hydraulic structure and a second hydraulic structure are respectively arranged on the surface of the workbench, a bending pipe mold is detachably installed on the surface of the workbench, a heat dissipation vibration structure for vibrating and dissipating heat of the bending pipe mold is arranged in the middle of the workbench, a swing limiting structure for limiting the bending pipe mold is arranged on the side of the heat dissipation vibration structure, and a wiping structure for wiping the first hydraulic structure and the second hydraulic structure is arranged on the side of the heat dissipation vibration structure away from the swing limiting structure. The core is pulled out respectively by reversely driving the first hydraulic structure and the second hydraulic structure, driving the heat dissipation vibration structure to close and generate gas to blow air to dissipate heat on the outer ring surface of the bending pipe mold, and vibrating the bending pipe mold, thereby effectively preventing the material inside the bending pipe mold from sticking and affecting subsequent demolding, and blowing air to dissipate heat from the bending pipe mold, which can reduce the mold temperature and reduce thermal expansion.

The utility model relates to a handle protection shell relates to game host accessory technical field, it includes shell and filler, shell configuration forms the accommodation cavity, the accommodation cavity is used to accommodate gamepad, the shell includes opposite first side and second side, the first side bulge forms the holding part, still include the filler, the shell is set up with the embedding slot in the second side position corresponding the holding part, embedding slot communicates with the accommodation cavity, and the filler is embedded embedding slot to support the holding part, the setting of the holding part is supported through the filler embedding embedding slot, reduced the requirement to shell production process, strengthened the mechanical strength of holding part simultaneously, avoided the holding part to be pressed flat when being gripped, to improve the use experience of user.

The utility model relates to the technical field of portable charging equipment, and discloses a mobile power supply, which comprises a shell, a top cover, a bottom cover, a circuit board assembly and a battery assembly, the shell is of a vertically through cavity structure, the top cover and the bottom cover are respectively arranged on openings at two ends of the shell, and the circuit board assembly is arranged on the top cover and the bottom cover. The circuit board assembly and the battery assembly are arranged in the shell; the circuit board assembly is arranged close to one end where the top cover is located, the peripheral edge of the top cover extends upwards to form a suspension frame, a switch button of the mobile power supply is located in an area defined by the suspension frame, and a notch is reserved between the suspension frame and the top cover. The mobile power supply provided by the utility model has the advantages of reducing the accidental touch of the switch button, being convenient to hang and carry, and reducing the damage probability of the mobile power supply when the mobile power supply falls on the ground.

The invention discloses a power module and electronic equipment. The power module comprises a power chip; the driving integrated circuit is electrically connected with the power chip; the heat dissipation substrate is provided with a first surface and a second surface which are oppositely arranged, a first side and a second side which are opposite in the length direction of the heat dissipation substrate, and a third side close to the driving integrated circuit, the power chip is arranged on the first surface of the heat dissipation substrate, and the heat dissipation substrate comprises an insulating layer, a first conductive layer and a second conductive layer, the second conductive layer comprises a main body part and an extension part connected with the main body part, the extension part extends towards the outer side of the insulating layer, and the extension part is arranged on at least one of the first side, the second side and the third side; at least one core-pulling pinhole is formed in the side, opposite to the second face of the heat dissipation substrate, of the packaging resin, the projection, in the thickness direction of the packaging resin, of the core-pulling pinhole is partially overlapped with the corresponding extending part, and the core-pulling pinhole is located on the outer side of the insulating layer.

The utility model belongs to the technical field of seat covers, and particularly relates to a breathable seat cover which comprises a first environment-friendly breathable automobile seat cover and a second environment-friendly breathable automobile seat cover, one side of the second environment-friendly breathable automobile seat cover is located in an inner cavity of the first environment-friendly breathable automobile seat cover, and the other side of the second environment-friendly breathable automobile seat cover is located in an outer cavity of the first environment-friendly breathable automobile seat cover. Velcro and hook-and-loop fasteners are arranged between the first environment-friendly breathable automobile seat cover body and the second environment-friendly breathable automobile seat cover body, the Velcro and hook-and-loop fasteners are matched in a bonding mode, and the Velcro and hook-and-loop fasteners are fixedly connected to the inner wall of the first environment-friendly breathable automobile seat cover body. The hook-and-loop fastener is fixedly connected to the second environment-friendly breathable automobile seat cover; the first fixing blocks are fixedly connected to the second environment-friendly breathable type automobile seat cover, and the environment-friendly breathable type automobile seat cover solves the problem that due to the fact that the environment-friendly breathable type automobile seat cover cannot be conveniently and rapidly detached, a user can consume much time when cleaning the environment-friendly breathable type automobile seat cover.

The invention discloses a continuous casting and rolling production method of a medium plate, which comprises the following key process steps of: 1) heating the surface of a casting blank: heating by adopting a roller hearth type tunnel kiln heating furnace or an electric induction surface heating device at the surface heating speed of 20-200 DEG C / min and the transverse surface temperature range of the heated casting blank of 10-60 DEG C; (2) intermediate billet rolling is conducted, specifically, the casting billet is rolled into an intermediate billet through a two-roller or four-roller rolling mill, and the reduction rate of a single pass is 10%-20%; (3) descaling is conducted, specifically, oxide scales on the surface of the casting blank are removed through a high-pressure water descaling machine or a shot blasting descaling device with high-pressure water and sand, and the pressure of the high-pressure water is 10-30 MPa; and (4) grinding and finishing, wherein flame cleaning equipment or mechanical finishing and grinding equipment is used for finishing and grinding, and surface defects of the casting blank or the intermediate blank are removed. The problem of unqualified UT flaw detection of the thick plate caused by center looseness and shrinkage of a casting blank in the production of the extra-thick plate can be avoided, the UT flaw detection level is improved, and the situation that the product is poor in size or rejected due to thickness, width, length and tolerance exceeding caused by surface defect coping is prevented.

The invention relates to the technical field of ship propelling devices, in particular to a ship outboard engine propeller and a sealing structure thereof. The sealing structure is arranged in a shell on a marine outboard engine propeller, and an underwater propeller shaft is rotationally arranged in the shell. Comprising a sealing mechanism, the sealing mechanism comprises an oil seal ring and a disc spring, and a first ring groove, a second ring groove and a plurality of micro through holes are formed in the oil seal ring. The first annular groove and the underwater paddle shaft form an oil seal cavity, and the second annular groove, the underwater paddle shaft and the disc spring form a buffering cavity with the variable space size. The buffer cavity with the variable space size and the deformable disc spring can balance the pressure intensity, so that the pressure intensity in the oil seal cavity is positive pressure all the time, and external water is prevented from entering the oil seal cavity. Sealing oil in the oil sealing cavity enters the buffering cavity after being expanded, so that the sealing oil in the oil sealing cavity is prevented from overflowing outwards, and waste of the sealing oil is avoided. The invention provides a marine outboard engine propeller and a sealing structure thereof. The problem that sealing oil in an existing propeller is prone to leakage is solved.

The utility model discloses an annealing, scale breaking and descaling device for an N04400 nickel-copper alloy hot continuous rolling plate coil. The annealing, scale breaking and descaling device comprises a rack, a support frame, a scale breaking mechanism, a descaling mechanism and a cleaning mechanism, the supporting frame is located on one side of the machine frame, the scale breaking mechanism is installed on the supporting frame, the conveying rollers are rotationally connected to the machine frame, and the two sets of scale removing mechanisms are installed on the upper side and the lower side of a nickel-copper alloy plate respectively and connected to the supporting frame. The cleaning mechanism is mounted on the rack on one side of the descaling mechanism; the adjusting mechanism is mounted on the rack and is connected with the descaling mechanism below the nickel-copper alloy plate; the pair of supporting arms is symmetrically fixed to the side wall of the supporting frame. According to the utility model, the high-pressure water can impact the broken oxide skin, so that the effect of removing the oxide skin is further achieved; the water spraying angle of the high-pressure nozzle can be adjusted, and the descaling efficiency is improved; cleaning brushes can be distributed in a staggered mode, and oxide skin residues on the surface of the nickel-copper alloy plate are prevented; and oxide skin can be prevented from being clamped on the cleaning brush.

The invention relates to the technical field of molds, in particular to an elbow automatic rotating core-pulling demolding mold which comprises a workbench, a first hydraulic structure and a second hydraulic structure are arranged on the surface of the workbench, and an elbow mold is detachably installed on the surface of the workbench. A heat dissipation vibration structure used for conducting vibration heat dissipation on the pipe bending mold is arranged in the middle of the workbench, a swing limiting structure used for limiting the pipe bending mold is arranged on the side face of the heat dissipation vibration structure, and a wiping structure used for wiping the first hydraulic structure and the second hydraulic structure is arranged on the side, away from the swing limiting structure, of the heat dissipation vibration structure. The core is pulled out by reversely driving the first hydraulic structure and the second hydraulic structure, the heat dissipation vibration structure is driven to be closed, gas is generated to blow and dissipate heat on the outer ring face of the pipe bending mold, vibration is generated on the pipe bending mold, it is effectively prevented that follow-up demolding is affected due to the fact that materials adhere to the interior of the pipe bending mold, and the pipe bending mold is blown to dissipate heat; reducing mold temperature may reduce thermal expansion.

The utility model belongs to the technical field of hospital dress, and discloses a hospital dress for a hemodialysis patient, which comprises a dress body with sleeves, the sleeves are provided with windows corresponding to puncture parts of arms, and the edges of one sides of the windows on the sleeves are connected with closing pieces for closing the windows. The free ends of the closing pieces are detachably connected with the sleeves; a plurality of catheter holes are formed in the closing piece, and catheter limiting pieces are connected to the positions, corresponding to the catheter holes, of the closing piece; hemostatic cotton fixing pieces are arranged on the sides, away from the windows, in the sleeves; the utility model solves the problems that when a hemodialysis patient carries out puncture, arms catch cold due to the fact that sleeves are pulled up, the previous puncture part is injured, and a nurse cannot puncture conveniently.

The utility model belongs to the technical field of reflector machining, and particularly relates to plane reflector machining equipment which comprises a water storage tank storing liquid media, a chuck located below the liquid level is arranged in the water storage tank, and a lifting mechanism and a polishing mechanism are sequentially installed on the top of the water storage tank from top to bottom. The lifting mechanism is used for conducting lifting adjustment on the polishing mechanism at the top of the chuck, a buffering piece for conducting lifting buffering on the chuck is further installed in the water storage tank, the chuck is arranged at the top of the buffering piece, the buffering piece comprises a supporting column and a spline shaft, and the bottom end of the spline shaft is longitudinally installed at the bottom of the water storage tank. According to the plane mirror polishing device, the water storage tank capable of storing water is additionally arranged, the water storage tank is located below the liquid level when a plane mirror is polished, polished chippings are cleaned through a liquid medium, and meanwhile powder is prevented from being distributed in air.

The invention provides a supporting structure, a bed and a using method, the supporting structure comprises a first component, a second component and a limiting piece, the first component is rotatably provided with a locking piece, the locking piece is further matched with the first component through an elastic piece, the locking piece is provided with a first locking part, the limiting piece is provided with a second locking part, and at a lifting position, the first locking part is matched with the second locking part; through cooperation of the first locking part and the second locking part, relative locking is formed between the first component and the second component, and the first component is not prone to falling down. Particularly, when the supporting structure is applied to the bed, the bedstead can be supported and protected at the highest position, and the bedstead is prevented from suddenly falling down and pressing a user.

This invention provides a blocking separation structure, a blocking separation device, and a turret-type testing equipment. The turret-type testing equipment includes a feeding structure and a blocking separation device. The blocking separation device is installed at the front end of the feeding structure and includes a feeding structure and a blocking separation structure. The blocking separation structure includes a fixed bracket, a movable bracket, first and second adjusting fixing components, and a pressing component connected in sequence. The fixed bracket is connected to the feeding structure. The movable bracket can rotate up and down around a rotating shaft, thereby driving the pressing component to rise or fall. When the pressing component rises, it releases the product; when it falls, it presses down on the product. The first adjusting fixing component can be adjusted in a first direction, the second adjusting fixing component can be adjusted in a second direction, and the pressing component can be adjusted in its rising and falling direction. This invention simplifies the product blocking separation structure, reduces debugging difficulty, and provides better blocking effect and longer service life.

The present invention discloses an anti-rollover device for an all-terrain vehicle, comprising a fixing seat, a detachable upper support tube is arranged above the fixing seat, a detachable lower support tube is arranged below the fixing seat, a detachable shock absorber is arranged below the lower support tube, and a detachable connecting seat is arranged below the shock absorber. The anti-rollover device for an all-terrain vehicle of the present invention has the following advantages: when the all-terrain vehicle rolls over, the anti-rollover device for an all-terrain vehicle can effectively support the ground to prevent the driver and passengers from being crushed when the vehicle turns over.

The utility model discloses a self-cleaning photovoltaic panel, and belongs to the technical field of photovoltaic panels, the self-cleaning photovoltaic panel comprises a photovoltaic panel body, the surface of the photovoltaic panel body is provided with a cleaning roller, the surface of the cleaning roller is provided with a top plate, the interior of the cleaning roller is fixedly connected with a first rotating shaft, and the surface of one end of the first rotating shaft is rotatably connected with a first side supporting plate; the other end of the first rotating shaft is rotationally connected with a second side supporting plate, and a control switch is installed on the surface of the first side supporting plate. By arranging a cleaning assembly, a motor drives a gear and a first rotating wheel to rotate through a second rotating shaft, the gear is meshed with a rack plate to enable the cleaning assembly to move on the surface of a photovoltaic panel body, the first rotating wheel drives a second rotating wheel to rotate through a transmission belt, and then a cleaning roller rotates reversely when moving on the surface of the photovoltaic panel body; and meanwhile, dust on the surface of the cleaning roller is scraped into a collecting box in cooperation with a first scraping plate attached to the cleaning roller, the surface of the cleaning roller is cleaned while the photovoltaic panel body is cleaned, and the cleaning effect is effectively improved.

The utility model discloses a road surface flattening device for municipal construction, which comprises symmetrical supports and is characterized in that the symmetrical supports are respectively connected with two ends of a central shaft of a flattening wheel through bearings, one ends of the symmetrical supports are respectively and fixedly connected with two ends of a U-shaped support, the supports are further connected with a sundry treatment component, and the sundry treatment component is connected with the central shaft of the U-shaped support. The utility model relates to the technical field of municipal engineering construction, in particular to a road surface flattening device for municipal construction, which can clean sundries on a road surface and flatten the road surface.