214results about "Enclosed substations" patented technology

The utility model discloses an anti-immersion American transformer station comprising a box station, the two ends of the front side of the box station are rotatably connected with station doors, the outer side of the box station is fixedly provided with a waterproof plate, the upper part of one side of the box station is fixedly provided with a motor protection cover, the front side of the box station is fixedly provided with a rubber frame, and the surface of the rubber frame is provided with a clamping groove. Magnet pieces are evenly arranged on the surface of a clamping groove in the surface of the rubber frame in an adhesive mode, a rubber clamping ring is fixed to the surface of the station door, and a metal piece is arranged in the rubber clamping ring. According to the anti-immersion American transformer substation, the anti-seepage effect of the American transformer substation can be improved through clamping and sealing of the L-shaped waterproof plates at the heat dissipation holes in the surface of the box station, the rubber frame in the box station and the rubber clamping ring on the surface of the station door.

The invention relates to the technical field of high-voltage transformer substations, and discloses a heat dissipation adjusting device of a high-voltage transformer substation, which comprises a high-voltage transformer substation assembly, the high-voltage transformer substation assembly further comprises a high-voltage transformer substation shell, and the side surface of the high-voltage transformer substation shell is fixedly connected with an oil outlet pipe; the side face of the high-voltage transformer substation shell is fixedly provided with an external ventilation opening, the inner wall of the high-voltage transformer substation shell is fixedly connected with a fan assembly, the fan assembly comprises a motor, a chain, a fan and a gear, and the external ventilation opening can generate a large amount of heat during operation of high-voltage transformer substation equipment and discharges the heat through air convection. And the fan assembly fan actively sucks cold air, exhausts hot air, strengthens air convection around the equipment and rapidly takes away heat, so that the phenomena that insulation aging is accelerated, the conductivity is reduced and even faults are caused due to the fact that the temperature of the equipment is too high are avoided.

The invention discloses a buried transformer substation convenient to operate and maintain, which comprises a concrete base layer, two threading grooves are formed in the concrete base layer, four fixing rods are pre-embedded in the concrete base layer, a sealing box is arranged at the top of the concrete base layer, and mounting plates are fixedly connected to the left and right sides of the sealing box. Inserting grooves are formed in the two mounting plates, and the four fixing rods are sleeved with nuts in threaded connection with the fixing rods. Compared with a traditional installation mode that a special well body needs to be built, the method has the advantages that the building difficulty is effectively reduced, the construction period is shortened, the cost is reduced, meanwhile, workers can complete operation and maintenance of the box-type substation on the ground, the operation and maintenance difficulty is effectively reduced, and the operation and maintenance efficiency is improved. While the operation and maintenance speed is increased, the risk of falling of workers in the operation and maintenance process can be avoided, and then the operation and maintenance safety is improved.

The embodiment of the utility model discloses a portable foldable pedal for a fan box transformer substation, and is characterized in that the foldable pedal comprises a first folding plate and a second folding plate, the first folding plate and the second folding plate are hinged at a first edge, the first folding plate and the second folding plate are hinged at a second edge and a third edge through connecting rods respectively, and the connecting rods are connected with the first folding plate and the second folding plate. The expansion angle of the first folding plate and the second folding plate is limited; a plurality of first hooks are arranged on the face, away from the second folding plate, of the first folding plate so that the first folding plate can be fixed to the fan box transformer substation. According to the portable foldable pedal, the two folding plates are spliced and unfolded to form an angle suitable for a worker to tread during use, and the folding plates can be folded to complete storage to reduce occupied space; meanwhile, the fixing effect and safety can be guaranteed through the hook fixing mode and the connecting rod hinging mode on the two sides, manual climbing in the fan box transformer substation overhauling process can be facilitated, and the operation efficiency is improved.

The invention belongs to the technical field of buried box-type substations, and particularly relates to an anti-overload new energy buried box-type substation, which comprises a buried shell, an anti-overload new energy distribution box connected to the side wall of the buried shell through a lifting assembly, and a raft plate arranged below the buried shell, and a plurality of polyurethane elastic cushions are fixedly connected between the raft plate and the buried shell. Soil pressure borne by the box body can be dispersed by means of the raft plate, uneven stress generated by soil settlement is buffered and absorbed by means of the buffering deformation characteristic of the polyurethane elastic cushion, the connecting stability of the box body and a foundation is enhanced through the supporting piles, and the problems of box body deformation and cracking and equipment connecting structure damage caused by soil settlement are effectively avoided; and the adjusting cylinder, the adjusting bolt and the supporting seat are additionally arranged between the buried shell and the raft, the height of the buried shell is accurately adjusted through the adjusting bolt, flexible correction of the levelness of the box body is achieved, and long-term stable operation of equipment is guaranteed.

According to the intelligent substation convenient to assemble, protrusions in a protrusion assembly and rails in a rail set are correspondingly matched one to one, a protrusion assembly inlet is formed in the position, on a base, of one end of the rail set, the rail set on the base is longer than the protrusion assembly, and a baffle inserting groove is vertically formed in the position, close to the protrusion assembly inlet, of the rail set; the baffle is inserted into the baffle insertion groove to close the protrusion assembly inlet and fix the protrusion assembly. The cabinet has the advantages that the cabinet body and the base are assembled in an embedded mode, after the base is embedded, a solid is convenient to disassemble and install, the cabinet body is firmly fixed, and water leakage is not prone to occurring. And multiple cabinet bodies are installed and linked mutually, so that the stability is further improved.

The application provides a mobile relay protection device for substation load transfer, comprising: a mobile relay protection box, the bottom of the box is provided with wheels and a locking mechanism for realizing the movement and fixation of the box; a mobile relay protection device installed in the box, the device comprises a line protection module and a main transformer protection module; a special connecting cable, one end of which is fixedly connected with the mobile relay protection device, and the other end is provided with a marked special connector, the special connector is configured as a quick connection plug for detachable connection with a terminal block of a substation interval terminal box or a terminal block of a control cabinet; wherein the special connecting cable adopts a flexible and pressure-resistant cable, and the current terminal wiring structure of the quick connection plug is designed to prevent open circuit.

The utility model relates to box type substation technical field, concretely is a heat dissipation type box type substation, include: box, exhaust port and air inlet, the outer side wall fixed setting of box has the exhaust port, and the below of exhaust port is provided with air inlet, the outer side wall fixed setting of box has the connecting block, and the connecting block fixed setting has the limit slot, and the connecting assembly and auxiliary assembly are provided on the box, through being provided with connecting assembly and auxiliary assembly on the connecting end box of heat dissipation type box type substation, through the cooperation use among support frame, dust screen, filter screen etc. structure, can install after the dismantling cleaning airing of dust screen and filter screen, and can replace in time after dust screen and filter screen are damaged, and the exhaust port and air inlet air are unobstructed, will not influence the heat dissipation of box type substation box.

This utility model provides a prefabricated box-type substation enclosure structure, including a substation body and multiple support leg mechanisms. Multiple mounting rings are horizontally fixedly connected to the bottom end of the inner surface of the substation body, and the multiple support leg mechanisms are respectively fixedly connected to the bottom ends of the mounting rings. This prefabricated box-type substation enclosure structure, by setting multiple support leg mechanisms, allows for individual adjustment of the multiple support leg structures. During adjustment, the height of each support leg can be adjusted by rotating the threaded sleeve. Furthermore, during actual installation, because the rotating seat at the bottom of the threaded sleeve rotates horizontally while the connecting seat rotates vertically, a structure similar to a caster wheel is formed, adapting to various road surfaces. This makes installation more convenient and ensures the enclosure remains level during later use, thereby improving the practicality of the substation.

This utility model relates to a ventilation structure for a prefabricated substation, including a box and a transformer. The transformer includes a lower base and an upper yoke. A transformer fan is mounted on the base. The transformer is located inside the box on one side. Multiple sets of forward and reverse fans are located at the upper end of the box corresponding to the transformer, and bottom ventilation holes are located at the bottom corresponding to the transformer. Ventilation windows are located on the lower ends of both sides of the box. A first temperature sensor is located on the side of the box without the transformer, a second temperature sensor is located on the transformer base, and a third temperature sensor is located on the upper yoke. Ventilation adjustment components are located on both sides of the box, each including a movable baffle. The ventilation windows are blocked by the corresponding baffle. This utility model is designed to address special conditions such as uneven internal temperature and low external temperature environments in prefabricated substations, enabling flexible adjustment according to ventilation needs under different circumstances.

This utility model discloses a locking device for a substation, including a base, a housing mounted on top of the base, and a door hinged to the front surface of the housing; a locking assembly, including an insert plate mounted on the front surface of the door, a threaded groove on the front surface of the insert plate, a stabilizing seat mounted on the top of the base and located on one side of the housing, a slot on the front surface of the stabilizing seat for the threaded groove to be inserted, a threaded hole on the rear surface of the stabilizing seat and communicating with the slot, and a threaded rod threadedly connected to the threaded hole, one end of which can be threadedly connected to the threaded groove; and a knob mounted on the other end of the threaded rod. The beneficial effects of this utility model are: through the designed locking assembly, the open door can be stabilized. Compared with the existing technology of positioning rod and positioning hole cooperation, it effectively avoids the friction and wear problem caused by frequent insertion and removal, improves the locking stability of the door, and ensures the safety of substation equipment maintenance and other operations.

This utility model discloses a top cover, a box-type power station, and a box-type room. The top cover includes a cover plate, an upper baffle, a lower baffle, and a perforated plate. The cover plate includes a downward-curving eave. The upper baffle abuts against the cover plate. The lower baffle includes a bottom and at least one side. The perforated plate is located inside and below the cover plate, and its edges abut against the lower baffle. The perforated plate and the cover plate are joined together to form a first air duct. The eave, the upper baffle, and the lower baffle are staggered and joined together to form a curved second air duct. This utility model can achieve better ventilation and heat dissipation effects and a higher level of protection.

To provide a power reception facility in which a gas insulation switching device main body and a mobile device connector part can be housed in an indoor space at low cost without providing a dead space in the site of the facility, and connection with a mobile device can be easily established even when the gas insulation switching device main body and the mobile device connector part are housed in an indoor space.SOLUTION: A power reception facility 1 includes a gas insulation switching device main body 2 and a mobile device connector part 3. The gas insulation switching device main body 2 and the mobile device connector part 3 are separate from each other but are normally connected through a cable 20 for movement. The gas insulation switching device main body 2 and the mobile device connector part 3 are housed in a tent-type building 300, and wheels 40 are attached to the mobile device connector part 3. A rail 302 on which the wheels 40 are put is disposed in the tent-type building 300. The mobile device connector part 3 can move along the rail 302 in an area from a prescribed position in the tent-type building 300 to an entrance 301, and can move freely in an area outside the entrance 301.SELECTED DRAWING: Figure 2

The utility model relates to an assembly structure for a preassembled transformer substation in the technical field of transformer substation assembly, which comprises two slide rails which are arranged in parallel at an interval, the top surface of each slide rail is provided with a guide groove with an opening at the upper end, and the bottom of each slide rail is provided with a plurality of height-adjustable block-up blocks at intervals along the axial direction; sliding parts embedded in the guide grooves are arranged at the two ends of the sliding plate respectively; the jacking piece is arranged on the lower plate surface of the sliding plate and used for driving the sliding plate to be separated from the sliding rail to ascend; according to the utility model, through the cooperation of the sliding plate and the sliding rail, the assembly part can enter from the side opening of the transformer substation shell, and the assembly part is moved to a preassembling position by combining the jacking piece; according to the heightening block of the slope-screw linkage mechanism, horizontal movement of the second block is driven by rotating the adjusting screw to be converted into vertical lifting of the first block, height adjustment of the sliding rail is achieved, and the heightening block adapts to complex ground conditions.

A system includes an enclosure (140) that includes a tank (150), a first compartment (160) including a first interior region, a second compartment (170) including a second interior region, and an electrical assembly (110) in an interior of the tank (150). The electrical assembly (110) is electrically connected to an electrical conductor (191) of each of one or more bushings (190) in the second interior region. The system also includes a control apparatus (130) in the first interior region. The control apparatus (130) is coupled to the electrical assembly (110), and the first and second compartments (160, 170) are on opposite sides of the tank (150). The electrical apparatus (110) may be a voltage regulator (210).

The utility model provides an operating tool for replacing a pole-mounted transformer without power cut, which comprises a mobile box transformer vehicle, a first rotating frame is fixed at the top of the mobile box transformer vehicle, a first rotating shaft is rotatably matched in the first rotating frame, two supporting rods are fixed on the first rotating shaft, and hydraulic cylinders are fixed in the supporting rods. A lifting basket is arranged at the output end of the hydraulic cylinder, a sliding plate is arranged in the lifting basket, a crawling ladder is fixed to the movable box transformer substation vehicle, an upward sliding device is arranged on the movable box transformer substation vehicle, and the upward sliding device comprises a placing plate, a sliding structure and a limiting structure. According to the utility model, the first rotating frame is fixed at the top of the mobile box transformer vehicle, the hydraulic cylinder is arranged in the supporting rod, and the lifting basket is arranged at the output end of the hydraulic cylinder, so that a worker can be directly conveyed to a high place through the supporting rod and the lifting basket on the mobile box transformer vehicle; and heavy devices and tools can be conveniently transported.

The utility model relates to the technical field of prefabricated cabins, in particular to a prefabricated cabin with a drainage structure, which comprises a prefabricated cabin main body, a roof is mechanically fixed at the top end of the prefabricated cabin main body, and drainage mechanisms are mechanically fixed on two sides of the outer wall of the prefabricated cabin main body and the top end of the roof. A plurality of heat dissipation mechanisms are arranged on the two sides of the outer wall of the prefabricated cabin body, communicate with the interior of the prefabricated cabin body and are located on one side of the drainage mechanism. Rainwater at the top end of a roof can slide down through the drainage eave and is far away from the outer wall of the prefabricated cabin body through mutual cooperation of internal parts of the drainage mechanism, and rainwater can circulate in the upper air channel and finally drip into the lower air channel when entering the upper air channel through mutual cooperation of internal parts of the heat dissipation mechanism. And the rainwater is discharged from the interior of the prefabricated cabin main body from the lower air passage, so that the rainwater can be prevented from remaining in the prefabricated cabin main body to influence internal equipment of the prefabricated cabin main body.

The utility model provides a prefabricated substation, and relates to the technical field of substations. The prefabricated substation comprises a low-voltage chamber, a transformer chamber and a medium-voltage chamber which are sequentially arranged in the length direction. An oil conservator, a radiator and a fan are arranged in the transformer chamber. The oil conservator is used for containing an iron core and a coil of the transformer. The radiator comprises a first oil pipe and a second oil pipe, and the first oil pipe and the second oil pipe are arranged in the height direction and both communicated with the interior of the oil conservator. And the fan is arranged below or above the radiator. The top side of the transformer chamber is open. The side, opposite to the radiator and the fan, of the transformer chamber is open in the width direction. Under the effect of the fan, air flows into the transformer chamber from the side portion of the transformer chamber, then flows through the radiator and takes away heat of the radiator, and then flows out from the top side of the transformer chamber. The fan improves the heat exchange efficiency between the radiator and the outside air, and further improves the heat dissipation efficiency of the prefabricated substation.

The application discloses a rat-proof baffle in a transformer substation, which comprises a rat-proof baffle and guide rails installed on both sides of the bottom plate of the rat-proof baffle. The rat-proof baffle comprises a bottom plate and a panel, the material of the panel is polyester fabric, and two fixed buckles are arranged on the side of the panel away from the bottom plate. The guide rails are attached to the door frame, and the top of each guide rail is provided with a fixed buckle connecting piece at the overlapping position of the vertical projection of the door frame. The bottom plate is connected with the guide rails through connecting buckles. The material of the panel is changed from the original aluminum material to polyester fabric, so that the rat-proof baffle is more simple to disassemble and install. Meanwhile, when large instruments are carried into and out of the equipment function room, the possibility of colliding with the equipment is greatly reduced, the safety during operation is improved, and the work efficiency is greatly improved.

The utility model discloses a be applicable to high altitude type wind power box transformer of north guizhou area, including wind power box transformer body, high pressure chamber, low pressure chamber and transformer room are arranged in wind power box transformer body respectively, install wind power step -up transformer on transformer room, through set up anti -icing mechanism mechanism etc.

The utility model discloses a preassembled outdoor box-type transformer station comprising a box body, the top of the box body is fixedly provided with a mounting rack, the interior of the mounting rack is rotatably provided with a filter cylinder through a bearing, the surface of the filter cylinder is provided with filter holes, the interior of the filter cylinder is fixedly provided with a first rotating shaft, and the first rotating shaft is fixedly provided with a second rotating shaft. A connecting plate is rotatably arranged on the right side of the filter cartridge, an air inlet hole is formed in the surface of the connecting plate, a second rotating shaft is rotatably arranged in the connecting plate, a cleaning brush is fixedly arranged on the surface of the second rotating shaft, a fixing plate is fixedly arranged at the top of the box body, and the fixing plate is rotatably connected with the first rotating shaft. A driving assembly is arranged on the surface of the first rotating shaft, a cold air assembly is arranged on the top of the box body, a filtering device in a heat dissipation system can be cleaned, the situation that the heat dissipation effect on elements in a substation is affected due to the fact that dust blocks filtering holes is avoided, and meanwhile the heat dissipation system does not need to be stopped during cleaning.

The utility model discloses a cable safety supporting platform of a photovoltaic box transformer substation, which comprises a bottom plate used for supporting a photovoltaic box transformer substation main body, the bottom surface of the bottom plate is fixedly connected with four fixing columns, the outer surface of each fixing column is fixedly connected with a fixing plate, the upper surfaces of the four fixing plates are jointly and fixedly connected with a supporting plate, and the supporting plate is fixedly connected with the bottom surface of the bottom plate. A protective shell and a limiting plate are arranged on the upper surface of the supporting plate, the protective shell is used for containing a cable, one end of the cable sequentially and vertically penetrates through the protective shell and the bottom plate upwards to be connected with the photovoltaic box transformer substation body, and the other end of the cable horizontally penetrates through the protective shell to be supported on the limiting plate and clamped in a limiting groove of the limiting plate. According to the invention, the cable of the photovoltaic box transformer substation can be effectively fixed and supported, the cable is prevented from being blown by external strong wind to swing, the service life of the cable is prolonged, and the power supply safety is improved.

A utilities enclosure comprising a grade level vault adapted for installation below ground and having an upper opening facing an interior region for containing at least a below-ground utility service, the grade level vault is formed in two halves comprising a first half and a second half, wherein each of the first half and the second half have an edge wall on opposite spaced apart end walls, each edge wall having a sacrificial pad extending outwardly therefrom which when heated and pressed together under pressure with a sacrificial pad on an opposite edge wall welds the first half and the second half together to form a seam.

The utility model relates to the technical field of power transmission equipment, in particular to a vehicle-mounted transformer substation which comprises a transport vehicle and a transformer fixed in a carriage behind the transport vehicle, the transformer comprises a box body, a coil, an iron core, two upper clamping plates and a lower clamping plate, a top plate is further arranged at the top of the upper clamping plates and connected with the two upper clamping plates, and an upper fixing rod is further installed on the top plate. The top plate is connected with the top surface of the box body through an upper fixing rod; two ends of the upper fixing rod are respectively connected with the top plate and the top surface of the box body through bolts; a vertical upper positioning pin is further arranged at the upper end of the inner side of the side wall of the box body, and a pin hole corresponding to the upper positioning pin is formed in the top plate; the two sides of the bottom of the iron core are each provided with one lower clamping plate, a base is further arranged below the lower clamping plates, lower positioning pins are arranged at the bottom of the box body, and pin holes corresponding to the lower positioning pins are formed in the base. The transformer in the vehicle-mounted substation can bear a larger inclination angle, so that the maneuverability of the vehicle-mounted substation is improved, and the transportation difficulty is reduced.

The utility model discloses an assembled transformer station, which comprises a box-type transformer station, the box-type transformer station comprises a base, a support column and a top cover, the support column is fixed at the upper end of the base through a bolt, and the top cover is fixed at the top end of the support column through a bolt; the convenient assembly comprises first grooves, rolling wheels, L-shaped limiting plates, reinforcing plates, second grooves, springs and movable blocks, the first grooves are formed in the two ends of the upper surface of the base, the rolling wheels are rotationally connected to the inner sides of the first grooves and evenly distributed, the L-shaped limiting plates are fixed to one ends of the first grooves through bolts, and the reinforcing plates are welded to the side edges of the L-shaped limiting plates. The utility model relates to a box-type transformer substation, in particular to a box-type transformer substation, and aims to solve the problems that after a box-type transformer substation is assembled on site, when a high-low-voltage cabinet is moved into the substation, if a site space is not favorable for mechanical equipment to enter, the high-low-voltage cabinet needs to be pushed into the substation manually, so that the labor intensity is increased, the installation efficiency is reduced, and even safety accidents are caused.

The utility model discloses a box-type transformer dry-type transformer temperature control installation structure and a prefabricated substation shell, the temperature control installation structure comprises a door body structure, the door body structure comprises a door frame, a left door body and a right door body, the left door body and the right door body are hinged to the door frame and are respectively provided with meshes, the left door body or the right door body is provided with installation holes, and the left door body and the right door body are hinged to the door frame. A temperature controller is mounted in the mounting hole; by the adoption of the technical scheme, the door body structure is used for being installed in the prefabricated substation shell, the temperature controller is installed at the position of the installation hole in the left door body or the right door body of the door body structure, and the temperature controller is used for being electrically connected with the temperature sensor arranged on the transformer so that the temperature of the transformer can be monitored in real time; the temperature controller is installed on the door body, so that a worker can conveniently monitor the temperature and collect temperature data, the temperature controller can be conveniently checked, calibrated and overhauled, in addition, when the transformer is installed and fixed in the preassembled transformer substation shell in what mode, temperature monitoring on the temperature controller is not affected, and the use effect is good.

The utility model relates to an unequal-voltage axial split type vehicle-mounted transformer station capable of high-speed transportation, which comprises a main transformer trailer, an auxiliary transformer trailer, a primary switch device and a secondary low-voltage switch device, the primary switch device is arranged in the main transformer trailer, and the secondary low-voltage switch device is arranged in the auxiliary transformer trailer; the primary switch equipment comprises a main transformer, and the main transformer comprises a low-voltage coil I, a low-voltage coil II, a high-voltage coil and a voltage regulating coil; the low-voltage coil I and the low-voltage coil II are wound on the same coil paper tube and coil stay, and the low-voltage coil II and the low-voltage coil I are sleeved with the high-voltage coil and the voltage regulating coil; the voltage grades of the low-voltage coil I and the low-voltage coil II are different; and the low-voltage coil I and the low-voltage coil II are respectively connected with the low-voltage switch equipment I and the low-voltage switch equipment II. The device has the advantages that the device can be realized only by two trailers, so that the space is saved, the control is convenient, and the on-site installation time and the transportation cost are saved.

The utility model provides an electric power equipment prefabricated cabin structure, and belongs to the technical field of electric power prefabricated cabins. Comprising an electric power prefabricated cabin body and mounting grooves symmetrically formed in the two ends of the electric power prefabricated cabin body, fans are fixedly embedded in the multiple mounting grooves, mounting frames are fixedly embedded in the two sides of the top end face of the electric power prefabricated cabin, and baffles are fixedly mounted on the mounting frames; a plurality of air outlet grooves are formed in the top end of the side wall of the mounting frame in a rectangular array, and an air inlet groove is formed in the bottom end of the side wall of the mounting frame. By forming the Bernoulli principle, negative pressure is generated at the top of the mounting frame in the air flowing process, air in the electric power prefabricated cabin body is sucked out, external air enters the electric power prefabricated cabin body from the mounting groove in the bottom of the electric power prefabricated cabin in the air sucking process, the air circulates in the electric power prefabricated cabin body through natural wind, and therefore the air is sucked out from the mounting groove in the bottom of the electric power prefabricated cabin body. And the heat dissipation effect on the interior of the electric power prefabricated cabin body is improved.

A method and system are disclosed for providing electrical power from a utility electric grid to a fracturing operation, and an electrically powered fracturing system. A mobile substation includes at least two transformer units that are operatively coupled to the utility electric grid in a parallel orientation, wherein the transformer units are capable of accessing power from the utility electric grid and stepping down the power for delivery to a switchgear. An electric motor is operatively coupled to a hydraulic fracturing pump and operatively controlled by a variable frequency drive. At least one open air relay cable is operatively coupled between the switchgear and the electric motor and capable of delivering power to the electric motor.

The utility model belongs to the technical field of photovoltaic power generation box-type transformer substations, and particularly relates to a photovoltaic power generation box-type transformer substation, which comprises a transformer substation, two photovoltaic panels and two cleaning wipers, and is characterized by further comprising a triangular top plate, the triangular top plate is fixedly mounted at the top of the transformer substation, and a concentric-square-shaped rod is fixedly mounted at the top of the triangular top plate; the two photovoltaic panels are both fixedly installed at the top of the triangular top plate, a threaded rod is rotatably installed in the concentric-square-shaped rod, a sliding block is installed in the concentric-square-shaped rod and located on the threaded rod in a sliding mode, and moving plates are both fixedly installed on the two sides of the sliding block. According to the photovoltaic panel cleaning device, it is ensured that only one motor needs to be used when the two photovoltaic panels are cleaned through the whole device, power consumption and manufacturing cost of the whole device are reduced, the motor is placed in the groove, the motor can be prevented from being exposed to the wind, the sun and the rain, external dust can be prevented from making contact with the motor, and therefore the motor is not prone to being damaged.