1906results about "Anti-seismic devices" patented technology

The invention discloses a protection device for power distribution control equipment, and relates to the technical field of protection devices, the protection device comprises a base, the top of the base is provided with a buffer damping assembly, the top of the buffer damping assembly is provided with a power distribution cabinet shell, and a filter screen cleaning assembly is arranged below the left side wall of the power distribution cabinet shell. The inner wall of the rear side of the power distribution cabinet shell is fixedly connected with a plurality of equidistantly arranged power distribution equipment clamping assemblies. According to the power distribution cabinet, vibration can be effectively absorbed and buffered through the arranged buffering and damping assembly, the vibration is prevented from being directly transmitted to precise power distribution control equipment in the power distribution cabinet, meanwhile, noise can be reduced, the arranged filter screen cleaning assembly can clean a filter screen at regular intervals, a good heat dissipation effect is maintained, and the arranged power distribution equipment clamping assembly is capable of clamping the power distribution equipment. The device can firmly clamp the power distribution equipment, wiring looseness caused by shaking is avoided, meanwhile, an operator can easily take out the power distribution equipment from a power distribution cabinet, and the equipment maintenance time is greatly shortened.

The invention discloses a communication network power distribution cabinet convenient for heat dissipation, and relates to the technical field of power distribution cabinets, and the power distribution cabinet comprises a composite mechanism. According to the communication network power distribution cabinet convenient to dissipate heat, through the design of a composite mechanism, the box body shell is used for storing electronic components, after long-time operation, the temperature in the box body shell rises, hot gas rises, and then the hot gas flows to the processing mechanism from the circular groove, so that the heat dissipation effect is achieved, and the internal temperature of equipment is reduced; the ventilation mechanisms are arranged on the two sides of the box body shell, so that the convection effect is achieved, the cold air flowing effect is improved, the cold air is located at the low position with the high density, hot air is squeezed upwards after entering the box body shell, the discharging speed is increased, and the heat dissipation efficiency is improved. The box body shell is supported through the supporting assembly, so that the effect of reducing deformation of the box body is achieved, and internal electronic elements are protected.

The invention relates to the technical field of electric control cabinets, and discloses an electric control cabinet and a using method and application thereof in crane construction, the electric control cabinet comprises a shell assembly, the shell assembly comprises a cabinet body and a mounting assembly arranged in the cabinet body, one side of the mounting assembly is provided with a heat dissipation adjusting assembly, and the heat dissipation adjusting assembly is arranged on the other side of the cabinet body. The installation assembly comprises a fixing frame, the fixing frame is connected with the inner wall of the cabinet body, damping springs are arranged at the four corners of the surface of the fixing frame, and an installation frame is arranged at the end, away from the damping springs, of the fixing frame. Through cooperation of the mounting assembly and the heat dissipation adjusting assembly, the interval between every two adjacent heat dissipation fins is adjusted in real time according to different temperatures of different positions, the ventilation quantity between an adjusting plate and a ventilation groove is adjusted, and therefore rapid heat dissipation is achieved, the vibration amplitude of the mounting frame is reduced when external wind power is too large, and normal operation of electrical elements is ensured.

The utility model discloses a GGD type low-voltage switch cabinet, and relates to the technical field of switch cabinets. The switch cabinet comprises a supporting base and a switch cabinet box body, a supporting frame is arranged at the top of the supporting base, a heat dissipation fan is clamped in the center of the bottom of the supporting frame in a penetrating mode, a plurality of protection air bags are clamped between the supporting base and the supporting frame in a rotating mode, and the switch cabinet box body is clamped between the supporting base and the supporting frame. And a rotary mounting frame is arranged in the center in the switch cabinet box body. According to the utility model, through the arrangement of the supporting base and the switch cabinet box body, the problems that most switch cabinets are cuboids, the internal space is difficult to fully utilize, or the installation, maintenance and operation are relatively inconvenient, the cabinet door which does not influence the operation is generally relatively complex in structure and relatively high in operation difficulty, and the switch cabinets are inevitably collided by the outside when in use are solved.

The invention belongs to the technical field of power distribution network equipment, and particularly provides an intelligent power distribution cabinet and a monitoring method thereof.The intelligent power distribution cabinet comprises an intelligent power distribution cabinet body, a lifting mechanism, a damping mechanism, a fireproof mechanism, a base and a power module for supplying power to the whole intelligent power distribution cabinet; the intelligent power distribution cabinet body is installed on the base through the damping mechanism and the lifting mechanism in sequence, the monitoring module comprises a monitoring unit, an edge calculation processor, a storage unit and a communication unit, the monitoring unit and the storage unit are both connected to the edge calculation processor, and the edge calculation processor is connected to a cloud server through the communication unit; by introducing the edge computing processor, real-time data processing and analysis can be carried out locally on the intelligent power distribution cabinet. The localized computing power avoids delay caused by uploading a large amount of data to the cloud, especially under the condition of poor network conditions, quick response can still be kept, and the effectiveness of real-time monitoring and fault early warning functions of the power system is ensured.

The invention relates to a new energy adaptive high-voltage power distribution cabinet, and relates to the technical field of power distribution cabinets, the new energy adaptive high-voltage power distribution cabinet comprises a cabinet body and a cabinet door hinged to the cabinet body, and two opposite vertical side surfaces of the cabinet body are provided with a plurality of heat dissipation ports; a protective cover with an opening facing the direction is fixedly arranged on the edge of an opening of the outer side of the heat dissipation opening, a blocking plate used for blocking the heat dissipation opening is arranged on the inner wall of the cabinet body in a sliding mode, a driving piece driving the blocking plate to slide up and down is fixedly arranged, and a blocking hole coincided with the heat dissipation opening is formed in the blocking plate. The plugging hole can be staggered with the heat dissipation opening when sliding up and down along with the plugging plate; according to the invention, the corrosion resistance of the power distribution cabinet is enhanced, the stable operation of a power system is ensured, and the power failure and maintenance cost caused by equipment faults are reduced.

The utility model relates to a combined low-voltage switch cabinet, which belongs to the field of switch cabinets, and includes a combined floor and a combined mechanism arranged on the upper surface of the combined floor. The combined low-voltage switch cabinet allows the cabinets to be disassembled and assembled separately, and the operator can quickly locate and remove the cabinets that need to be maintained or replaced without moving the entire combination, thereby saving time and labor. The combined design allows flexible combination and splitting according to needs, adapting to different installation environments and space requirements. At the same time, through the design of limit baffles, anti-collision columns and eccentric clamping blocks, the stability and safety of the cabinets in the combined state are ensured to prevent accidental movement or collision. In addition, since it can be freely combined, the layout of the switch cabinet can be arranged according to the actual space and needs. When a cabinet needs to be disassembled and assembled, it is not necessary to move the adjacent cabinets, which reduces the impact on the entire system and improves the independence of operation.

The invention relates to the technical field of energy storage and power distribution, and particularly discloses a high-stability portable energy storage control cabinet which comprises a control cabinet shell of a square structure, and a front protective door and a rear protective door are rotationally installed on the front side and the rear side of the control cabinet shell through hinges correspondingly. A longitudinally-arranged mounting plate is fixedly mounted in the control cabinet shell through bolts, a control element is fixedly mounted on the outer surface of the front side of the mounting plate, a supporting plate is fixedly mounted on the surface of the back of the mounting plate, and an energy storage battery is placed above the supporting plate and controlled by the control element. And a clamping mechanism for fixing the energy storage battery is arranged on the back surface of the mounting plate. According to the portable energy storage control cabinet with high stability, discharge control is performed on the energy storage battery through the control element, the control cabinet shell is pushed to move upwards through the telescopic air cylinder when the control cabinet needs to move, so that only the moving rollers are in contact with the ground, and then the device can be pushed to move through the push rod, and the purpose of convenient carrying and moving is achieved.

The utility model discloses a three-phase multi-meter-position electric energy metering box, which belongs to the technical field of power equipment and comprises a box body, a sealing door plate is mounted on one side of the box body, a heat exchange cover is mounted on the sealing door plate in a penetrating manner, a refrigeration sheet is mounted on the outer side of the heat exchange cover, a fan is fixedly mounted on one side of the heat exchange cover, and a telescopic hose is fixed on the other side of the heat exchange cover. A through pipe is fixed to the bottom end of the telescopic hose, and a sleeve communicated with the through pipe is fixed to the bottom end of the through pipe. Through cooperative use of the box body, the sealing door plate, the heat exchange cover, the refrigeration sheet, the fan, the sleeve, the first through hole, the movable pipe, the second through hole, the sliding block, the telescopic hose, the through pipe and the adjusting rod, the position of the sleeve can be adjusted according to distribution of heating parts in the box body, and the purpose of targeted cooling and heat dissipation is achieved; and the air outlet range can be adjusted according to the width of the internal part, so that the cooling is more targeted, the heat dissipation and cooling efficiency is improved, and the operation of the equipment is better guaranteed.

The invention discloses a preassembled shockproof box-type transformer substation, and relates to the technical field of transformer substations, the preassembled shockproof box-type transformer substation comprises a transformer box and a base, damping mechanisms are arranged on the two sides of the base, the damping mechanisms are connected with the side edges of the base through mounting plates, the damping mechanisms are self-adaptive hydraulic damping mechanisms, and each damping mechanism comprises a piston cylinder, a buffer rod, a trigger assembly and an adjusting assembly; the piston cylinder is filled with hydraulic oil and provided with a piston disc dividing an inner cavity of the piston cylinder into an upper cavity and a lower cavity, the upper end of the buffer rod is connected with the piston disc, and the lower end of the buffer rod extends out of the piston cylinder and is provided with a contact block. The problems that in the prior art, when a power transformation box is installed, due to the fixed damping characteristic, a traditional spring shock absorber cannot be adjusted in a self-adaptive mode to adapt to the variable falling speed and the box body weight, and the buffering effect is mismatched with the impact working condition are solved. The device has the advantages that impact energy of different intensities is effectively dissipated through a multi-stage buffering and automatic adjusting mechanism, and the safety of electrical elements in the box-type substation during installation and operation is ensured.

The utility model relates to the technical field of electrical control boxes, in particular to an explosion-proof marine electrical control box which comprises a box body, the box body comprises an outer coating layer, an inner coating layer, an outer stainless steel plate, an inner stainless steel plate, a sound insulation cotton layer, a heat preservation plate layer and a screen plate, the sound insulation cotton layer is arranged on the outer side of the screen plate, and the outer stainless steel plate is arranged on the outer side of the sound insulation cotton layer. An outer coating layer is arranged on the outer side of the outer stainless steel plate, a heat preservation plate layer is arranged on the inner side of the screen plate, an inner stainless steel plate is arranged on the inner side of the heat preservation plate layer, and an inner coating layer is arranged on the inner side of the inner stainless steel plate. The utility model has the functions of sound insulation, noise reduction, heat preservation and moisture prevention, retains the original stainless steel plate design, designs the outer stainless steel plate and the inner stainless steel plate to play the roles of impact protection and supporting plasticity, coats the inner coating layer and the outer coating layer to realize the functions of insulation and moisture prevention, integrates the whole box body, reduces the thickness of the used stainless steel plate, and reduces the cost. The overall weight is reduced, the explosion-proof effect is better, and the moisture-proof effect is achieved from the two aspects of water insulation and heat preservation.

The utility model discloses an intelligent PDU for a machine room, and the PDU comprises a distributor main body unit which comprises a distributor housing, one side of the outer surface of the front side of the distributor housing is provided with a control switch, the other side of the outer surface of the front side of the distributor housing is provided with a plurality of jacks, and the two ends of the distributor housing are symmetrically and fixedly connected with hinge seats. The interiors of the hinge seats are rotationally connected with fixing plates; and the protection unit comprises a dust cover assembly and a second protection shell, and the outer surface of one side of the dust cover assembly and the outer surface of one side of the second protection shell are both arranged on the outer surface of the front side of the distributor shell. According to the utility model, through the arrangement of the protection unit, the impact force can be applied to the reset spring through the arrangement of the protection plate and the connection plate when the socket is impacted, the damage caused by the impact can be reduced through the buffering of the reset spring, and the jacks and the control switch can be protected through the arrangement of the protection unit. The protection on the device is improved, and the damage is reduced.

The invention belongs to the technical field of switch cabinets, and particularly relates to a medium-voltage switch cabinet. Comprising a switch cabinet; the switch cabinet is provided with a door body; a first guide rail is fixedly mounted in the switch cabinet; evenly-arranged components are installed on the guide rail. Second guide rails are arranged on the upper and lower sides of the first guide rail; a stabilizing assembly is arranged on the second guide rail; the stabilizing assembly comprises a moving block; circular grooves are formed in the sides, facing the wiring terminals, of the moving blocks; a rotary drum is rotationally connected into the circular groove; a vertical cylinder is arranged in the rotating cylinder; two notches are formed in the end of the side, attached to the circular groove, of the vertical cylinder. And extrusion blocks are rotationally connected into the two notches. Extrusion grooves are formed in the end surfaces of the opposite sides of the two extrusion blocks; two opposite metal half cylinders are arranged at the top of the vertical cylinder; according to the invention, through the arrangement of the stabilizing assembly, the problem of insufficient contact area or infirm locking of the wire core during wiring can be avoided.

The invention relates to the technical field of metering boxes, in particular to an electric energy meter metering box protection device which comprises a metering box body and a box door, a rotating rod penetrates through the interior of the metering box body, the end of the rotating rod extends into the metering box body and is rotationally connected with the metering box body, and a buffer plate is arranged on the outer side of the box door. The buffer plate is connected with the metering box body through a buffer mechanism, sealing gaskets which are symmetrically distributed are arranged in the metering box body, the sealing gaskets extend into the top and the bottom of the metering box body respectively and are connected with an extrusion mechanism, and after the box door is closed, the extrusion mechanism is used for extruding the sealing gaskets. Therefore, the sealing gasket is tightly attached to the box door. According to the metering box, the box door is buffered through the buffer plate, the impact of external impact force on the metering box body and the box door can be effectively reduced, the metering box body and the box door are protected, and therefore the phenomenon that the box door is deformed and cannot be opened due to external impact is avoided.

The invention discloses an anti-condensation electric power ring main unit based on optical radiation heating, and relates to the technical field of ring main units, and the anti-condensation electric power ring main unit comprises a composite mechanism. According to the anti-condensation power ring main unit based on optical radiation heating, through the design of a composite mechanism, the composite shell is used for storing and placing electronic elements, in the daily operation process of the electronic elements, the temperature in the composite shell rises, the temperature difference between the interior and the exterior of the equipment is large, and condensation occurs in the equipment; the heater adopts optical radiation heating to prevent condensation, mainly converts optical radiation energy into heat energy, increases the temperature of an object or a space, and enables the temperature of the surface of the object to be higher than the dew point temperature, so that water vapor is prevented from being condensed into dewdrops on the surface of the object, the water vapor is absorbed through the moisture-proof mechanism, and the interior of the equipment is kept dry. And the ventilation mechanism is used for ventilating the interior of the composite shell, so that the temperature difference between the interior and the exterior is reduced, the probability of condensation is reduced, and the equipment is protected to a certain extent.

The utility model discloses an electric energy metering box with improved installation efficiency, the electric energy metering box with improved installation efficiency comprises a box body and a fixed plate arranged in the box body, the box body is provided with a plurality of supporting blocks, the supporting blocks are provided with a plurality of retaining grooves, the fixed plate is provided with a retaining assembly capable of moving telescopically and abuts against the retaining grooves, and the retaining assembly is provided with a plurality of retaining grooves. The fixing plate is fixed at the current retaining groove position; the box body is provided with a plurality of guide columns and penetrates through the fixing plate, and the guide columns are provided with buffering pieces, abut against the fixing plate and are used for buffering the fixing plate. The fixing plate is pulled upwards through the handle, so that the fixing plate is pulled out from the interior of the box body, the activity space during installation is enlarged, the light brightness is improved, the retaining groove is matched with the retaining mechanism to provide powerful support and fixation for the fixing plate, and the product has the advantages of improving the installation efficiency, facilitating wiring, being simple to operate and the like.

The invention relates to the technical field of photovoltaic grid-connected control boxes, in particular to a photovoltaic grid-connected control box with an anti-collision function, which comprises a control box, a fixing frame and a mounting frame, protection components are movably arranged on two sides of the front surface of the fixing frame, and radar sensors are fixedly arranged on the front surface and two sides of the mounting frame. According to the anti-collision photovoltaic grid-connected control box, comprehensive protection and good operation conditions are provided for the photovoltaic grid-connected control box through the synergistic effect of structural design in all aspects, multi-angle and multi-layer protection is achieved in the anti-collision aspect, and the safety and stability of the control box in the operation process are greatly improved; the heat dissipation design ensures the normal working temperature of internal electronic components, further ensures the overall performance and the service life of the control box, and plays a role in reducing equipment faults and maintenance cost caused by the problems of accidental impact, overheating and the like for the photovoltaic grid-connected control box, and providing powerful support for stable operation of a photovoltaic grid-connected system.

The invention provides an electric appliance integrated power distribution cabinet, and belongs to the technical field of electric appliance integrated power distribution cabinets. The cabinet body is fixedly connected to the top of the base, two cabinet doors are rotationally connected to the side end of the cabinet body through a rotating shaft, and a control panel is fixedly installed at the side end of the cabinet body; the number of the shielding plates is two, the two shielding plates are arranged in the cabinet body, so that the two shielding plates and the two cabinet doors form an included angle of 90 degrees, at the moment, the two driving motors are powered off and shut down, the output ends of the two electric push rods push the two pawls to clamp the two ratchet wheels to lock the two rotating rods to deflect, and the two cabinet doors and the two shielding plates are positioned and locked. The 90-degree included angle between the two shielding plates and the two cabinet doors is matched to block strong wind and rainwater, the interference of the rainwater and the strong wind to the maintenance work of the electric appliance integrated power distribution cabinet is avoided, the maintenance and repair difficulty of the electric appliance integrated power distribution cabinet is reduced, the deflection process of the two shielding plates and the two cabinet doors is automatic in the whole process, manual operation of maintenance personnel is not needed, and the maintenance efficiency is improved. Rainwater is effectively isolated to realize insulation.

The invention discloses a switch cabinet convenient for rapid dehumidification, cooling and heat dissipation, and relates to the technical field of switch cabinets, the switch cabinet comprises a dehumidification and cooling mechanism and a supporting base installed at the bottom of the dehumidification and cooling mechanism, a water-cooling heat dissipation mechanism is arranged on the outer side of the top of the dehumidification and cooling mechanism, and a water-cooling circulating pipe is fixedly installed in the water-cooling heat dissipation mechanism; the dehumidifying and cooling mechanism comprises a cooling pipeline, a plurality of first air openings are formed in one side of the interior of the cooling pipeline, a first connecting pipe is fixedly installed at the bottom of the cooling pipeline, a supporting plate is fixedly installed on one side of the bottom of the first connecting pipe, and the supporting plate is fixedly installed at the top of a supporting base. According to the technical scheme, components in the switch cabinet are rapidly cooled in an air blowing and exhausting mode, meanwhile, the dehumidification effect can be achieved, the phenomenon that the service life of the components is affected due to mutual influence caused by heat generated by the components is avoided, meanwhile, the service life of a drying agent is prolonged, and the effect of saving resources is achieved.

The invention belongs to the technical field of power equipment, and particularly relates to a power distribution box with a dustproof function, which comprises a box body, a dust removal and heat dissipation mechanism, a protection mechanism, an auxiliary mechanism and a monitoring mechanism, and is characterized in that the dust removal and heat dissipation mechanism is arranged in the box body, the protection mechanism is arranged on the box body, and the auxiliary mechanism is arranged on the side wall of the box body; and the monitoring mechanism is arranged on the inner wall of the box body. The automatic heat dissipation mechanism drives a heat dissipation sliding block to slide through a heat dissipation servo motor, a control switch is triggered to switch the working state of the power servo motor, cold and hot air circulation is achieved, and the problem that natural wind is low in heat dissipation efficiency is efficiently solved; according to the bidirectional dust removal mechanism, a heat dissipation sliding block slides to drive a filter screen to ascend and descend, the air inlet side conducts filtering, the air outlet side conducts dust removal without blocking, the filter screen can be automatically cleaned when moving, dust accumulation and filter screen blocking are effectively avoided, the auxiliary mechanism achieves remote operation on control equipment in a sealed environment through a servo motor and a hydraulic press, and external dust is prevented from invading.

The invention discloses a waterproof power distribution cabinet, and belongs to the technical field of power distribution cabinets, the waterproof power distribution cabinet comprises a power distribution box, the left and right side walls of the box body of the power distribution box are respectively provided with a through hole, the outer bottom of the power distribution box is provided with an equipment rack, the equipment rack comprises a bottom plate and a top plate, and a lifting mechanism is arranged between the bottom plate and the top plate; the lifting mechanism comprises four square pipes, supporting rods are slidably connected into the square pipes in a sleeved mode, the top ends of the supporting rods are fixedly connected with the top plate, a driving mechanism is connected to the supporting rods, a plurality of rain shielding strips are fixedly installed on the left outer side wall and the right outer side wall of a box body of the distribution box respectively, and a water level monitoring mechanism is arranged on the bottom plate. The water level monitoring mechanism controls starting of the driving mechanism. The problem that in the prior art, when a power distribution cabinet used outdoors encounters thunderstorm weather, accumulated water on the periphery of the power distribution cabinet is prone to submerging and entering the power distribution cabinet, and the power distribution cabinet is damaged is solved, operation is easy and convenient, and practicability is high.

The utility model discloses a prefabricated cabin convenient to install in the field of electric power prefabricated cabins, which comprises a mounting plate, a prefabricated cabin body, shells and a top plate, the prefabricated cabin body is positioned above the top of the mounting plate, the shells are positioned on the left side and the right side of the prefabricated cabin body, the top plate is fixedly connected to the top of the prefabricated cabin body, and the prefabricated cabin body is positioned above the mounting plate. A supporting seat is fixedly connected to the middle of the top of the mounting plate, sliding grooves are formed in the left side wall and the right side wall of the supporting seat and are sequentially arranged from front to back, sleeves are fixedly connected to the bottom of an inner cavity of the supporting seat and are evenly distributed, and elastic pieces are fixedly connected to the bottoms of inner cavities of the sleeves. According to the prefabricated cabin convenient and fast to install, time and labor are saved during installation, a crane does not need to be used for assisting in installation, a damping and buffering mechanism is convenient to use, and the use efficiency of the electric power prefabricated cabin is improved.

The invention, which relates to the technical field of the electric meter box, discloses a plugging protection type electric meter box comprising an installation device. According to the pluggable protection type electric meter box, through the design of the installation device, the electric meter cabinet is arranged between the two sliding frames, the sliding frame at the bottom is used for bearing the electric meter cabinet, the two sides of the electric meter cabinet are extruded through the clamping mechanism, so that the effect of clamping equipment is achieved, the protection mechanism is connected with the clamping block in a clamped mode, and therefore the shielding effect on the surface of the cabinet body is achieved; a pneumatic device is arranged on the outer side of the electric meter cabinet, and airflow is conveyed into the electric meter cabinet through the pneumatic device, so that the effects of ventilation and heat dissipation are achieved, the temperature in the cabinet is reduced, normal work of elements is guaranteed, condensation is reduced, electrical faults are prevented, air pressure inside and outside the cabinet is balanced, and structural deformation is avoided; the cabinet body structure damage caused by air pressure difference is avoided, the aging speed of a sealing element is reduced, and the service life of equipment is prolonged.

The present invention belongs to the technical field of substation equipment, and is particularly a prefabricated substation integrating primary and secondary elements, comprising a substation body, a cabinet door provided on the substation body, a heat dissipation hole provided on the cabinet door, a support seat provided at the bottom of the substation body, and the support seat comprising a fixedly connected bottom plate 1 and bottom plate 2, the four sides of the bottom plate 2 being flush with the four sides of the substation body. The present invention prevents objects from directly hitting the substation body through an inflated airbag, and the cushioning of the airbag can reduce the impact force, thereby providing better protection for the substation body and internal components; in the event of flooding, the airbag will be subject to the buoyancy of the flood and will push the frame 2 and the flexible sealing strip upwards. When the flexible sealing strip is above the heat dissipation hole, it can prevent floodwater from entering the substation body through the heat dissipation hole, thereby providing better protection for the electrical components in the substation body.

The utility model discloses a low-voltage power distribution cabinet with an anti-compression effect, which belongs to the field of power distribution cabinets and comprises a cabinet body, a baffle is arranged at the top of the cabinet body, buffer assemblies are mounted between four corners of the lower surface of the baffle and the cabinet body, a scraper is slidably mounted at the top of the baffle, slide rails are fixedly mounted on two sides of the lower surface of the baffle respectively, and the slide rails are fixedly mounted on the lower surface of the baffle. The two sliding rails are arranged in parallel, the two ends of the scraping plate are slidably connected into the sliding rails, a screw is rotationally installed in one sliding rail, a motor used for driving the screw to rotate is fixedly installed at one end of each sliding rail, and one end of the scraping plate is in threaded connection to the screw. The top of the cabinet body can be protected through the arrangement of the baffle and the buffer assembly, accumulated snow on the baffle can be scraped off through the arrangement of the scraping plate, the sliding rail, the screw rod, the motor and the guide rod, and therefore the situation that the accumulated snow is accumulated on the distribution cabinet to cause damage to the distribution cabinet can be avoided, and potential safety hazards are reduced.

The utility model discloses an anti-impact high-strength power distribution switch control device which comprises a device shell, protective bars, an anti-collision rod, a first movable rod and a second movable rod, the protective bars are arranged outside the device shell, the first movable rod is installed at one end of each protective bar through a rotating shaft, and the second movable rod is installed at the other end of each protective bar through a rotating shaft. And the anti-collision rods are welded between the protective bars and between the first movable rod and the second movable rod, an equipment door body is installed on the outer wall of one side of the equipment shell, the equipment shell comprises an outer shell body and an inner shell body, and reinforcing rods are fixed between the outer shell body and the inner shell body at equal intervals. The anti-impact protective cover is good in anti-impact effect, high in strength and comprehensive in protection.

A vehicle-mounted semi-closed combined electric appliance belongs to the technical field of electric power high-voltage equipment and comprises an underframe and a circuit breaker, the underframe is fixedly mounted on a vehicle chassis, the circuit breaker is horizontally mounted on the underframe, a movable side of the circuit breaker is connected with a current transformer and a spring operating mechanism, the current transformer is located above the circuit breaker, and the spring operating mechanism is connected with the spring operating mechanism. The current transformer is connected with a horizontal angle type isolation grounding combination switch and a three-way sleeve through a four-way sleeve, the top of the three-way sleeve is connected with a first outgoing line sleeve which is vertically / obliquely arranged, the static side of the circuit breaker is vertically connected with a linear isolation switch, the top of the linear isolation switch is connected with a second outgoing line sleeve which is vertically / obliquely arranged, and the static side of the circuit breaker is vertically connected with a third outgoing line sleeve. The circuit breaker is directly and fixedly arranged on the bottom frame, and the horizontal angle type isolation grounding combination switch is arranged above the circuit breaker, so that the length and the height are reduced, the whole equipment is more compact, the gravity center of the equipment is lowered, and the horizontal angle type isolation grounding combination switch is suitable for occasions with harsh environments such as rescue and relief work.

The invention relates to the technical field of high-voltage direct-current power transmission, and discloses a grounding device in a converter station, which comprises a power conversion cabinet and an adjusting mechanism, the front surface of the power conversion cabinet is rotatably connected with a cabinet door through a hinge, a supporting mechanism is arranged in the power conversion cabinet, and the supporting mechanism comprises a supporting frame fixedly connected with the inner wall of the power conversion cabinet. A first groove is formed in the inner wall of the supporting frame, a first mounting rod is slidably connected to the inner wall of the first groove, a first through hole is formed in the outer surface of the first mounting rod, and a metal rail is fixedly connected to the inner wall of the first mounting rod; in the converter cabinet equipment, vibration generated by operation of electric equipment can be transmitted to the connecting shaft through the force block, the elastic guide piece can absorb the vibration on the connecting shaft, and meanwhile, due to the fact that the elastic guide piece is in sliding connection with the metal rail, grounding current can be further guided to the supporting frame through the metal rail along the connecting channel. And the grounding stability of the electric equipment is improved.