1178results about "Anti-seismic devices" patented technology

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 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 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, 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 invention relates to the related field of electrical engineering, in particular to a combined low-voltage electrical control cabinet which comprises a control cabinet body, a door leaf is hinged to the control cabinet body, a relay is connected to an installation area in the control cabinet body, and a supporting assembly is connected to the bottom of the control cabinet body. The supporting assembly comprises a connecting beam, and the top of the connecting beam is fixedly connected with the bottom of the control cabinet. When a pallet fork moves to the tail end in a limiting frame, the back face of a control cabinet makes contact with a pallet fork goods blocking frame, then a vertical rod on the goods blocking frame is inserted into the middle area of a first arc-shaped frame and a second arc-shaped frame, and when the pallet fork moves upwards, the pallet fork indirectly drives the first arc-shaped frame and the second arc-shaped frame to rotate through a guide plate; the first arc-shaped frame and the second arc-shaped frame are rotationally closed to be clamped and fixed to a vertical rod on the goods blocking frame, so that when the control cabinet is connected with a pallet fork on a forklift for transfer, the bottom and the back of the control cabinet and the pallet fork on the forklift are automatically connected, fixed and automatically detached in a multi-point mode, and operation steps are reduced.

The utility model discloses an integral vibration reduction structure of a shelter power station, a plurality of installation positions are arranged between the shelter power station and an installation platform, and each installation position is provided with a vibration reduction installation assembly; the vibration reduction mounting assembly comprises an adapter seat and a vibration damper, the adapter seat is fixed on the shelter power station, the vibration damper is fixed on the mounting platform, and the adapter seat and the vibration damper are connected together; the adapter comprises a top plate, a supporting column and a bottom plate which are fixedly connected in sequence from top to bottom, upper fixing holes are distributed in the periphery of the top plate, and upper fixing bolts fixedly connect the top plate with the shelter power station through the upper fixing holes; a lower center hole is formed in the center of the bottom plate, and the bottom plate and the upper end of the shock absorber are fixedly connected together through a middle fixing bolt via the lower center hole. The shock absorber is fixed to the bottom of the shelter power station through connection of the adapter, overall shock absorption of the shelter power station relative to an installation platform is achieved, and the influence of vibration generated when the power station works on other equipment is reduced to the maximum extent.

The invention discloses a multifunctional protection device for a ship main distribution board, relates to the technical field of main distribution board protection, and solves the technical problem that if violent jolting occurs in the ship running process, other devices fall off to impact parts on the main distribution board, and moisture damage is caused. Comprising a backboard, the front surface of which is provided with a main distribution board member; a protection structure for protecting the main distribution board is mounted on the front surface of the back plate and comprises an arc-shaped protection piece located in front of the back plate and a buffer component for buffering the arc-shaped protection piece; a safety protection area can be formed in front of the main power distribution board, even if devices fall off due to bumping and shaking of a ship, the devices cannot directly act on surface parts of the main power distribution board, stable protection is achieved on the main power distribution board, multi-stage protection measures can be formed in the safety protection area in front of the main power distribution board along with the larger impact, and the safety protection effect is improved. And the use safety and stability of the main distribution board are improved.

The invention discloses an outdoor power distribution cabinet with a dustproof ventilation structure, and relates to the technical field of power distribution cabinets, the outdoor power distribution cabinet comprises a cabinet body, the top of the cabinet body is fixedly provided with a rain cover, the two sides of the cabinet body are fixedly provided with installation inclined pipes, the inner side surfaces of the installation inclined pipes are provided with wedge-shaped grooves, and the wedge-shaped grooves are arranged at the lower ends of the installation inclined pipes. A mounting frame is fixedly mounted in the cabinet body, an air inlet mechanism is detachably mounted in a mounting inclined pipe, and a ventilation mechanism is mounted on the back surface of the cabinet body. According to the outdoor power distribution cabinet of the dustproof ventilation structure, dust is separated through the air inlet mechanism to achieve the dustproof effect, the ventilation mechanism comprises a dustproof piece and an auxiliary cleaning piece, the dustproof piece enhances the dustproof effect, and the auxiliary cleaning piece drives a fan to drive a brush disc to rotate through airflow and achieves automatic cleaning of a dustproof net in combination with an extrusion block; stable operation of electrical equipment in the power distribution cabinet is guaranteed, and maintenance cost is reduced.

The utility model discloses an intelligent temperature control power distribution box, which belongs to the technical field of power distribution boxes and comprises a power distribution box body, limiting plates are arranged in the power distribution box body, every upper limiting plate and every lower limiting plate are arranged in a staggered manner, a fan is arranged at the bottom of the power distribution box body, and an electric heating tube is arranged in the power distribution box body. An exhaust port matched with the fan for use is formed in the upper portion of the distribution box body, a temperature sensor is arranged in the distribution box body, a triangular protection plate for shielding the exhaust port is arranged on the distribution box body, the fan operates to cool the interior of the distribution box, the electric heating wire is started at the same time when the temperature is low, and the electric heating wire does not operate when the temperature is high. The air blown by the fan rises due to the characteristics of the air, at the moment, the air circulates in the distribution box in a curve shape under the limiting of the limiting plate, the contact area and time of the air and the electrical components can be greatly improved, and therefore the heating or cooling effect on the distribution box body is improved.

The invention relates to the technical field of ship electrical engineering, and particularly discloses a ship electrical equipment damping type protection box body which comprises an equipment protection box. An adjusting mechanism is installed in the middle of the bottom box wall of the equipment protection box, a damping seat is installed at the top end of the adjusting mechanism, and a damping mechanism is jointly installed between the periphery of the bottom end of the damping seat and the periphery of the bottom box wall of the equipment protection box. Through cooperative work of the adjusting frame, the adjusting cavity, the driving mechanism, the adjusting plate, the adjusting spring and the buffering mechanism, the vibration intensity and frequency of the ship electrical equipment are sensed in real time through the vibration sensor, signals are transmitted to the controller, the controller commands the driving mechanism according to the vibration condition, then the compression amount and rigidity of the adjusting spring are changed, and the ship electrical equipment is adjusted. The dynamic adjustment mechanism enables the protection box body to automatically adapt according to different vibration working conditions, the stability and reliability of the ship electrical equipment under complex sea conditions are remarkably improved, the equipment failure rate is reduced, and the service life of the equipment is prolonged.

The invention relates to a low-voltage switch cabinet with an electric door, and belongs to the technical field of electrical cabinets, the low-voltage switch cabinet comprises a cabinet body and two cabinet doors arranged oppositely, the cabinet doors are hinged to the cabinet body and are controlled to be opened and closed through a driving mechanism, and the low-voltage switch cabinet further comprises an active sealing mechanism used for sealing a door gap between the two cabinet doors. The driving sealing mechanism comprises a sliding frame, a sealing strip, a transmission rod and a transmission assembly. The sliding frame is arranged right opposite to the door slot and is slidably connected into the cabinet body in the front-back direction relative to the cabinet body. The sealing strip is detachably fixed to the side, close to the cabinet door, of the sliding frame. The transmission rod is arranged on one side of the sliding frame and slidably connected to the cabinet body in the front-back direction relative to the cabinet body. The transmission rod is in transmission connection with the sliding frame through a transmission assembly. According to the invention, by arranging the slidable sliding frame and the sealing strip and configuring the transmission rod and the transmission assembly, the impact load borne by the cabinet body when the door is closed can be reduced while the long-term reliability of sealing is ensured, so that the service life of the switch cabinet is prolonged.

The invention relates to the field of electric vehicle charging piles, in particular to an outdoor electric vehicle charging pile. Comprising a charging pile shell, an opening and closing assembly is installed on the outer wall of the charging pile shell, and a charging terminal for outdoor charging is arranged on the inner wall of the bottom; an auxiliary plate is pushed to move in the direction close to the charging terminal, so that adsorption mud rubber plates abut against the outer wall of the charging terminal and extrude a fourth compression spring, numerical monitoring is conducted through a pressure sensor, and then a rotating column drives the multiple sets of adsorption mud rubber plates to be replaced to conduct impurity adsorption on the charging terminal; a micro pump sprays an ethanol solution to soften and clean impurities, and primary buffering can be carried out through the elasticity of a fourth compression spring when a concave-convex structure is met; the problem of damage to the structure is avoided while the compatible protection effect is improved, and the working effect of the electric vehicle charging pile is improved while the outdoor use effect is improved.

The invention relates to the technical field of power distribution cabinet equipment, in particular to a power distribution cabinet, which comprises a protection mechanism, the protection mechanism comprises a base, four abutting blocks, four first abutting sheets, four second abutting sheets, a sliding frame and a floating part, the four abutting blocks are fixedly connected to the inner bottom surface of the base, the four first abutting sheets are fixedly connected to the inner bottom surface of the base, and the sliding frame is fixedly connected to the inner bottom surface of the base. The four first abutting pieces are fixedly connected to the top of the base, the number of the second abutting pieces is four, and each second abutting piece is fixedly connected to the top of the corresponding abutting block. During use, a limiting bolt is rotationally inserted into a specified use position, so that the base can be stably arranged at the specified position, and at the moment, a second abutting piece is sleeved with an existing tubular thin film, so that the tubular thin film can slide in a gap formed between the first abutting piece and the second abutting piece; and the bottom end of the tubular film is adhered to the inner bottom surface of the base through the existing waterproof coating, and meanwhile, the top end of the tubular film can be arranged on the outer surface of the sliding frame in a sleeving manner.

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 invention relates to the technical field of power cabinets, and provides an anti-seismic power cabinet device and a control method thereof. The anti-seismic power cabinet device comprises a cabinet body which is of a frame structure and is internally provided with a damping supporting piece; the damping system is arranged on the cabinet body and comprises a basic damping element and a self-adaptive damping element; the sensor assembly is arranged in the cabinet body and used for monitoring the vibration acceleration, the inclination angle and the equipment displacement state of the cabinet body; the data processing and control assembly is connected with the sensor assembly; and the protection execution mechanism is in control connection with the data processing and control assembly, is configured in the cabinet body, and is used for responding to the protection triggering instruction to execute a protection action. Through effective damping and protection measures, the mechanical stress of vibration such as earthquakes to equipment in the power cabinet is reduced, and the abrasion and fatigue damage of the equipment are reduced, so that the service life of the equipment is prolonged, and the maintenance cost and replacement frequency of the equipment are reduced.

The invention provides a sealing switch cabinet isolation circuit breaker grounding device, and belongs to the technical field of grounding devices, the sealing switch cabinet isolation circuit breaker grounding device comprises a switch cabinet, and an isolation circuit breaker grounding body, an interlocking mechanism, a circuit breaker operation mechanism and a grounding operation mechanism arranged in the switch cabinet, and also comprises a buffer arc extinguishing assembly and a protection cleaning assembly; blowing and sucking actions of the air bag during switching-on and switching-off are matched with cleaning actions of the cleaning block, the air bag blows out airflow to cut off an arc path during switching-on, and the cleaning block cleans in advance to reduce the possibility of arc generation. During opening, the air bag sucks air and is lengthened to extinguish the arc, the cleaning block cleans again to prevent the arc from reignition, the arc extinguishing capability is greatly improved, and the contact ablation and equipment damage risks are reduced; the buffering function of the arc-shaped block and the air bag and the buffering function of the base plate form a multi-stage buffering mechanism, and abrasion of the contact and equipment parts is reduced; the blowing and suction treatment of the air bag and the dual cleaning effect of the cleaning block enable the contact area of the contact to be cleaner, and the contact resistance is effectively reduced.

The invention discloses a high-voltage SVG (static var generator) salt-spray-corrosion-resistant packaging structure suitable for offshore wind power, and belongs to the technical field of high-voltage SVGs. The high-voltage SVG salt-spray-corrosion-resistant packaging structure comprises a bottom plate and a shell, a spring damper is arranged between the bottom plate and the shell, and first connecting plates are arranged at the top and the bottom of the spring damper respectively; the first connecting plate is fixedly connected to the bottom plate and the shell through first screws, a groove is formed in the middle of the bottom plate, a bidirectional threaded rod is rotationally connected to the groove in a penetrating mode, and threaded blocks are connected to the two ends of the bidirectional threaded rod in a threaded mode respectively. The shock resistance of the equipment can be improved through the four spring dampers, electronic elements of the shell are protected, a second connecting plate can drive a supporting plate to push the shell to ascend by rotating a bidirectional threaded rod, then the spring dampers are conveniently overhauled and replaced, the equipment is made of a corrosion-resistant material, stainless steel and a special coating, and the service life of the equipment is prolonged. The corrosion of salt mist and moisture can be effectively resisted, and the corrosion damage of equipment is reduced.

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 utility model discloses an electrical mute control box, and relates to the field of electrical control boxes. The electric mute control box comprises a shell, a cover plate and a connecting assembly. The shell is provided with a mounting cavity, the mounting cavity is suitable for hanging a vibration source, and a sliding groove piece is arranged on the outer side wall of the shell; the connecting assembly comprises at least two limiting plates, any limiting plate comprises a sliding part and a limiting part, the sliding parts and the sliding groove pieces are correspondingly arranged, and hanging nodes are arranged on the extending parts, away from the limiting parts, of the sliding parts. The mounting node is connected with the external bedstead, so that the shell and the cover plate can be hung on the external bedstead, and the limiting plate plays a role in isolating the shell from the external bedstead and absorbing energy transmitted to the external bedstead by a vibration source through the shell, so that vibration fluctuation of the external bedstead is avoided, and a good damping and mute effect is obtained; the stability of the control box can be improved, and a user can comfortably and silently use the control box.

The utility model relates to the technical field of ring main units, in particular to a ring main unit with a box door locking device. Comprising a box body which comprises a box door; the base is mounted on the lower side of the inner wall of the box door and comprises two symmetrical mounting wall plates, and mounting holes are formed in the mounting wall plates; the locking rod is vertically arranged in the mounting hole in a sliding manner; the elastic component provides downward force for the locking rod; the first limiting part is arranged on the base; the second limiting part is arranged on the locking rod, and the second limiting part can abut against the upper portion of the first limiting part by rotating the locking rod, so that the lower end of the locking rod is higher than the threshold; according to the utility model, the pre-tightening force is matched with the limiting part, so that the position of the locking rod can be stabilized, and the locking function failure caused by upward movement of the position of the locking rod due to vibration in the transportation process is prevented.

The invention relates to the technical field of power supply boxes, and discloses a substation maintenance power supply box with a good protection effect, which comprises a box body, and further comprises a protection box vertically arranged in the box body; the vertical column is vertically arranged at the top of the box body, the tail end of the vertical column penetrates through the top of the box body and then is fixedly installed at the top of the protection box, and the partition plate is fixedly installed in the protection box and divides the protection box into two parts; the flame-retardant assembly is arranged above the partition plate, and the flame-retardant assembly is used for evacuating gas, located below the partition plate, of the protection box; and the number of the unlocking assemblies is two, the two unlocking assemblies are symmetrically arranged on the top of the box body, and the unlocking assemblies are used for unlocking the vertical columns. According to the power supply box, the protection box can be automatically unlocked and fall off, physical impact protection is carried out on electrical components, gas and oxygen at the lower half part of the protection box can be pumped out after the protection box falls off, the situation that electrical components on the mounting plate are ignited and burnt is avoided, and the protection effect of the power supply box is further improved.

The invention discloses a shockproof heat dissipation electric power distribution cabinet, and relates to the field of electric power distribution cabinets, the shockproof heat dissipation electric power distribution cabinet comprises a cabinet body and a fan mounting port arranged on the cabinet body, mounting plates are symmetrically arranged on the two sides of the inner wall of the cabinet body, and the fan mounting port is movably connected to the mounting plates on the two sides through a pair of sliding plates and can move up and down relative to the cabinet body; a vibration buffering and transmission mechanism is arranged between each sliding plate and the corresponding mounting plate; the vibration buffering and transmission mechanism comprises an extrusion block arranged on the sliding plate; and the extrusion air bag is arranged on the mounting plate and corresponds to the extrusion block in position. Vibration of the fan mounting opening is mechanically transmitted to the buffer plate in a linkage mode through the extrusion block, the extrusion air bag and the gear transmission assembly, active absorption and dissipation of vibration energy are achieved, and meanwhile a heat dissipation air channel structure and a damping mechanism are integrated.

The utility model belongs to power equipment, and provides a box-type substation heavy box door limiting and buffering device which comprises a first mounting plate fixedly mounted on a door frame. The second mounting plate is fixedly mounted on the box body door; one end of the limiting rod is horizontally and rotatably connected with the second mounting plate, the bottom of the first mounting plate is connected with a limiting ring, and the other end of the limiting rod slidably penetrates through the limiting ring; the two lantern rings are detachably connected to the limiting rod in a sleeving mode, and the two lantern rings are located on the two sides of the limiting ring correspondingly; and springs are respectively sleeved on the limiting rods between the two lantern rings and the limiting ring. According to the limiting and buffering device for the heavy box door of the box-type substation, buffering and limiting in the opening and closing process of the box door are achieved through the springs on the two sides of the limiting ring, and compared with a traditional hydraulic limiting stopper, the limiting and buffering device can bear larger thrust and tension and is longer in service life.

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.

The invention discloses a high-voltage looped network power switch cabinet, and belongs to the technical field of switch cabinets, the high-voltage looped network power switch cabinet comprises a switch cabinet main body, the center of the front end face of the switch cabinet main body is rotatably connected with a box door, one side of the center of the front end face of the box door is provided with a fingerprint coded lock, and the upper side of one side of the front end face of the switch cabinet main body is provided with a locking structure. Temperature control structures are arranged at the centers of the two side walls of the switch cabinet main body, a switch cabinet structure is arranged at the center of the interior of the switch cabinet main body, a buffer structure is arranged at the center of the lower end face of the switch cabinet main body, the inner side wall of the switch cabinet main body is sleeved with a heat preservation layer, and the inner side wall of the heat preservation layer is sleeved with an inner layer. Directional conveying of hot air and normal-temperature air can be achieved, energy waste caused by undifferentiated temperature control is avoided, heat circulation of a single heat source and multi-area benefits can be achieved, and meanwhile the heat insulation function of polyurethane heat insulation cotton of the heat insulation layer is matched, hot air loss is reduced, and equipment aging caused by local overheating is avoided.

The utility model relates to the technical field of electrical equipment, in particular to a capacitance compensation cabinet convenient to arrange. According to the technical scheme, a control door plate and a closed cabinet door are rotationally installed on a cabinet body, a bottom plate is arranged on the control door plate, a containing groove is formed in the bottom plate, a guide rail is arranged at the position, located at the containing groove, of the bottom plate, and a lower connecting plate is slidably installed in the containing groove of the bottom plate through the guide rail; the lower connecting plate is contained in the bottom plate through the containing groove, an upper connecting plate is arranged at the top end of the control door plate, a first mounting plate and a second mounting plate are mounted between the upper connecting plate and the lower connecting plate, and a control switch and a control instrument are mounted on the first mounting plate and the second mounting plate respectively. The system has the advantages of flexible layout, convenience in maintenance and operation and the like. Due to the advantages, the capacitance compensation cabinet has higher reliability and practicability in practical application.