174results about How to "Avoid short circuit conditions" patented technology

The invention relates to the technical field of current detection, and particularly discloses a current transformer which comprises a framework, a coil winding, a magnetic core assembly and a guide piece, a through hole in the framework extends in the first direction, a winding groove is formed in the framework, the coil winding is arranged in the winding groove, the magnetic core assembly is connected with the framework, the magnetic core assembly is arranged in the circumferential direction of the framework, and the guide piece is connected with the coil winding. The magnetic core assembly partially penetrates through the through hole, the guide pieces extend in the circumferential direction of the coil winding, connecting structures connected with the framework are arranged on the two sides of the guide pieces, and the guide pieces can be supported away from the surface of the coil winding through the connecting structures, so that the guide pieces can be distributed in the circumferential direction of the coil winding and keep a certain preset distance. The whole size of the current transformer can be reduced, the two sides of the guide vane are erected and supported on the framework through the connecting structures, and the situation that the distance between the guide vane and the coil winding is reduced and even the guide vane directly stamps the coil winding to scratch the coil winding due to the fact that the guide vane is deviated and inclined during assembly can be avoided.

The utility model discloses a fireproof flame-retardant cable, which relates to the technical field of cables, and comprises an armor layer and an isolation flame-retardant mechanism, the inner wall of the armor layer is provided with a braided protective layer, the inner wall of the braided protective layer is provided with a fireproof heat-insulating layer, the fireproof heat-insulating layer is internally provided with a plurality of cable cores, and the cable cores are arranged on the inner wall of the braided protective layer. The side wall of the wire core is wrapped with an insulating layer, a plurality of supporting frames are arranged in the fireproof heat-insulating layer, and gaps among the fireproof heat-insulating layer, the insulating layer and the supporting frames are filled with fireproof fillers. The wire cores are isolated and separated through the supporting frames, so that the condition of short circuit caused by contact among the wire cores is avoided; when flame burns through the insulating layer and the supporting frame, the flame can be extinguished through carbon dioxide of the carbon dioxide filling layer, after the wrapping layer is burnt through, the intumescent flame retardant begins to burn, and a carbonaceous foam layer is generated on the surface of the intumescent flame retardant, so that the wire cores are further mutually isolated and separated.

The utility model relates to the technical field of battery cells, and discloses a tab connecting structure of a high-capacity soft package battery cell, which comprises a plurality of battery cell bodies, the plurality of battery cell bodies are sequentially stacked and distributed, one side of each battery cell body is provided with a positive tab and a negative tab, and the positive tabs and the negative tabs of the plurality of battery cell bodies are sequentially distributed at intervals along the stacking direction; conductive plates for supporting the corresponding positive tabs or negative tabs are arranged between the positive tabs or the negative tabs on the same side of the plurality of battery cell bodies; the upper surface and the lower surface of the current-conducting plate are respectively provided with a tab pressing plate, a fixing space for inserting a tab is arranged between each tab pressing plate and the upper surface or the lower surface of the current-conducting plate, and the tab pressing plates are fixed on the current-conducting plate and are locked with the tabs into a whole through the fixing spaces. The utility model has the beneficial effects of simple structure and stable tab connection.

The utility model discloses cleaning equipment for a TOPCon battery, which relates to the field of TOPCon batteries, and adopts the technical scheme that the cleaning equipment comprises a positioning frame, two electric sliding rails are fixedly connected to the front side of the positioning frame, a positioning mechanism and a cleaning mechanism are arranged on the rear side of the positioning frame, the cleaning mechanism is arranged on the front side of the positioning frame, two electric sliding blocks are arranged on the front side of the positioning frame, and the two electric sliding blocks are arranged on the front side of the positioning frame. The cleaning mechanism comprises a moving plate, the moving plate is fixedly connected between the two connecting blocks, a motor is fixedly arranged on the front side of the moving plate, and the motor is fixedly connected with the two electric sliding rails. The outdoor solar cell cleaning device has the advantages that the efficiency of cleaning dust outside an outdoor solar cell is greatly improved, meanwhile, the scraping plate and the cleaning brush are used in a matched mode, the scraping plate can scrape off water stains at the same time after cleaning is completed, and the situation that the water stains cause short circuit to the connecting position of the cell is avoided.

The present application relates to the technical field of high-voltage transmission line operation and maintenance equipment, and in particular to an insulator string thermal deicing and cleaning device, comprising a connecting slide rod, wherein the number of the connecting slide rods is two and they are symmetrically arranged front to back, and the two connecting slide rods are commonly provided with two groups of upper and lower symmetrical clamping mechanisms for locking on the insulator string, the number of each group of the clamping mechanisms is two and they are symmetrical front to back, and the two connecting slide rods are commonly provided with two front to back symmetrical thermal deicing mechanisms for thermally melting the ice on the insulator string. By setting the connecting slide rod and the thermal deicing mechanism, the thermal deicing work can be applied to insulator strings in different setting states, thereby improving the adaptability, so that it is more convenient to perform deicing work on the insulator string, reducing the carrying of adapter equipment, and facilitating the staff to perform deicing work on the insulator string in a special environment in cold weather, so that it is more convenient.

The utility model relates to the technical field of cables, in particular to a bending-resistant cable, which comprises a sheath and a heat insulation layer, three leads are arranged in the sheath in a penetrating manner, a heat insulation layer is sleeved on the surface of the sheath, the heat insulation layer is a foamed polypropylene layer and positioned in the heat insulation layer, the heat insulation layer is a polyethylene layer, and the heat insulation layer is a polyethylene layer. The surface of the heat preservation layer is sleeved with a waterproof layer which is a polyvinyl chloride layer, and the waterproof layer is fixedly connected with the heat insulation layer. According to the utility model, since the foaming polypropylene material is internally provided with a large number of air cavities, heat exchange between the sheath and the outside can be reduced, the lead generates heat in the power transmission process, and the heat of the lead can heat the sheath by means of the thermal insulation layer, thereby preventing the sheath from hardening, improving the bending resistance of the cable, and prolonging the service life of the cable. And by arranging the heat insulation layer made of a polyethylene material, external low temperature can be further isolated, and the bending resistance of the cable is further improved.

The utility model relates to the electromechanical field, in particular to a novel motor reel. Comprising a winding device and a protection device, the protective device comprises a protective surface, a wall body and a connecting part, wherein the connecting part comprises a first connecting lug and a second connecting lug; the first connecting lug and the second connecting lug are respectively provided with a first connecting groove and a second connecting groove, and the upper winding part and the two ends of the binding post are respectively provided with a third connecting groove corresponding to the first connecting groove and a fourth connecting groove corresponding to the second connecting groove; the protection device and the upper winding part are fixed through binding; compared with the prior art, through the arrangement of the first connecting groove, the second connecting groove, the third connecting groove and the fourth connecting groove, the protective device can be effectively fixed through the binding band, so that the protective device can be applied to a motor protective cover with an upper cover, and when the protective device is applied to a motor protective cover without an upper cover, the protective device cannot be damaged. And the situation that the protection device falls off in the transportation process is avoided.

The invention discloses a modular combined reactive compensation power distribution cabinet, and relates to the technical field of power distribution cabinets, the modular combined reactive compensation power distribution cabinet comprises a power distribution cabinet body, the front side of the power distribution cabinet body is hinged with a cover plate, and the modular combined reactive compensation power distribution cabinet also comprises assembly fixing plates arranged at two sides of the power distribution cabinet body, and the assembly fixing plates are detachably fixed with the cover plate through bolts. A filter plate used for air inflow is fixedly connected into the assembly fixing plate, a fixing frame is arranged on one side of the filter plate, the fixing frame is fixedly connected with the assembly fixing plate, air is dehumidified through a dehumidification frame in the fixing frame after passing through the filter plate, and drying cotton or drying carbon or materials capable of achieving dehumidification can be arranged in the dehumidification frame. In this way, specific limitation is not made, so that heat dissipation gas entering the power distribution cabinet body does not contain water vapor, and the situation that electrical equipment in the power distribution cabinet body is short-circuited by the gas with moisture during heat dissipation treatment is avoided.

The invention provides a battery string and a photovoltaic module, and belongs to the technical field of solar cells, the battery string comprises a battery piece, and at least one surface of the battery piece is provided with at least two joint parts which are arranged at intervals along a first direction; and an electrical connection line extending in a first direction; wherein a bonding layer is arranged on the surface, facing the battery piece, of the electric connecting wire, and the bonding part is electrically connected with the electric connecting wire through the bonding layer; a first spreading width of the bonding layer in a second direction perpendicular to the first direction on each bonding portion is larger than a second spreading width in the second direction at a gap between two adjacent bonding portions. The photovoltaic module includes at least one cell string.

The invention relates to the technical field of refrigerators, and discloses a shelf for a refrigerator, which comprises a shelf main body configured to be a transparent shelf; the first decorative strip is clamped at the rear side end of the shelf main body; the first cantilever and the second cantilever are respectively arranged at the left side end and the right side end of the shelf main body; the first light-emitting part is arranged between the first decorative strip and the shelf main body and comprises a first electric connecting end located at the left side end and a second electric connecting end located at the right side end; and the two electrifying assemblies are respectively arranged on the first cantilever and the second cantilever and are respectively connected with the first electric connection end and the second electric connection end, so that the first electric connection end and the second electric connection end are respectively connected with power supplies with different polarities. The problem that the lighting effect between the shelves in the refrigerator chamber is poor can be solved, so that the overall lighting effect in the refrigerator is improved, and the user experience is optimized. The invention further discloses the refrigerator.

The invention provides a memory block and a manufacturing method thereof. According to the storage block, each storage sub-array layer in a storage array comprises a drain region semiconductor layer, a channel semiconductor layer and a source region semiconductor layer which are stacked; the drain region semiconductor layer, the channel semiconductor layer and the source region semiconductor layer respectively comprise a plurality of drain region semiconductor strips, channel semiconductor strips and source region semiconductor strips which are distributed along the row direction and extend along the column direction; a row of drain region, channel and source region semiconductor strips in the multi-layer storage sub-array layer are of a row of semiconductor strip-shaped structures; the drain / source leading-out area is provided with a plurality of drain / source connecting end units which are arranged at intervals in the row direction and the column direction, and the drain / source connecting end in each drain / source connecting end unit is connected with one layer of drain region / source region semiconductor strips in the semiconductor strip-shaped structure in the corresponding column. The storage block can avoid the bridging condition of two adjacent drain / source connecting ends in the same drain / source connecting end unit along the column direction.

The utility model relates to the field of grid-connected high-voltage cabinets, and discloses a grid-connected high-voltage cabinet communication device, which comprises a grid-connected cabinet, one side of the grid-connected cabinet is provided with an equipment cabin, one side of the grid-connected cabinet is provided with a communication cabin, and the inner bottom surface of the communication cabin is provided with a data acquisition unit. A communication protocol converter is arranged on the inner bottom surface of the communication cabin, a microprocessor is arranged on the inner bottom surface of the communication cabin, an interface converter is arranged on the inner bottom surface of the communication cabin, a single chip microcomputer is arranged on the inner bottom surface of the communication cabin, and an upper cabinet door is rotationally arranged on one side of the grid-connected cabinet. One side of the upper cabinet door is provided with a plurality of indicating lamps, and one side of the upper cabinet door is provided with an anti-islanding protection device. Working information data of various devices in the grid-connected cabinet are efficiently transmitted and interacted, and various network interfaces on the interface converter are utilized, so that the communication application range of the grid-connected high-voltage cabinet is expanded.

The present invention relates to the field of battery technology, and in particular to a battery cell insulation structure and a battery cell. The battery cell insulation structure comprises: an insulating member is provided with a mounting hole for accommodating a pole ear portion on a pole group, and a support portion is formed in the mounting hole and is arranged perpendicularly to the axis of the mounting hole; the size of the insulating member in the first direction is T, 2mm≤T≤10mm; the distance between the end of the mounting hole facing the inside of the battery cell and the support portion in the first direction is T1, and the size of the support portion in the first direction is T2; 0.8mm≤T1≤0.75T, and / or 0.5mm≤T2≤0.5T. The present invention can effectively support the shape of the folded pole ear portion, avoid the situation where the pole ear portion is inserted into the pole group invertedly to cause a short circuit, and avoid the situation where the volume energy sealing of the battery cell is reduced due to the excessive thickness of the insulating member, thereby ensuring reliable assembly of the pole group and the insulating member.

The utility model relates to battery technical field discloses a kind of cylindrical battery and battery pack, cylindrical battery includes: battery core;Cover plate assembly;Current collection component, connect between battery core and cover plate assembly;First current collection piece is electrically connected with pole, and the region of pole in the inside of shell and second current collection piece are arranged in the same end surface of battery core;Along axial direction, the projection of the side of pole close to battery core in second current collection piece and second current collection piece at least partially overlap, to form overlap area;Insulating layer, at least partially between second current collection piece and pole, the projection of insulating layer in the plane perpendicular to axial direction covers overlap area;The width of insulating layer along radial direction is d1, the width of overlap area along radial direction is d2, the value range of d1 / d2 satisfies:1.1≤d1 / d2≤5.The cylindrical battery provided by the utility model guarantees the insulating effect of second current collection piece and pole, avoids the short-circuit situation that pole and opposite current collection piece contact.

The present invention discloses a fixing device for automatically taking power from a busbar, which relates to the field of conductive connection, and comprises: a conveying frame and a guide rail fixedly mounted on the top of the conveying frame, a sliding platform is mounted on the outside of the guide rail, and the sliding platform slides on the outside of the guide rail, a plurality of power transmission connection blocks are fixedly arranged on one side wall of the conveying frame, and the plurality of power transmission connection blocks are located on the same horizontal straight line, a power supply connection block is fixedly arranged on the lower end surface of the sliding platform, and contact-type power connection is performed between the power supply connection block and the power transmission connection block, and a tray for carrying parts is placed above the sliding platform. The present invention can isolate and protect the discharge end of the power transmission connection block when no power connection operation is performed through the action of the bridge component and the protection unit, thereby effectively avoiding injuries caused by accidental touch by the staff and avoiding the situation where external floating dust and impurities adhere to the discharge end and cause a short circuit.

The utility model relates to the technical field of refrigerating machines, in particular to a refrigerating machine convenient to clean frost, which comprises a coil pipe shell frame, an evaporator coil pipe is arranged on the coil pipe shell frame, a first side plate and a second side plate are arranged at the lower end of the coil pipe shell frame, a heating and defrosting plate is arranged below the coil pipe shell frame, and a heating wire is arranged in an inner cavity in the heating and defrosting plate. A water falling opening is formed in the heating and defrosting plate, an angle servo motor is arranged on the first side plate, a rotating shaft and a sealing water retaining strip are arranged on the heating and defrosting plate, a control box is arranged on the coil pipe shell frame, a time relay is arranged on the control box, and a water receiving box is installed on the heating and defrosting plate. The situation that normal work of the refrigerating machine is affected due to the fact that people forget to conduct frost cleaning is avoided, the situation that after frost cleaning, molten liquid freely drips into the refrigerating machine body to be accumulated and possibly causes short circuit of related circuit equipment in the refrigerating machine body is avoided, and the situation that heated molten liquid flows away from the side edge of the heating and defrosting plate is avoided.

The utility model provides a double-self-coupling double-device transformer, and belongs to the technical field of transformers. Comprising a shell and a protection mechanism, a coil is installed in the shell, the protection mechanism comprises an insulating plate, a mounting frame is installed in the shell, the interior of the mounting frame is hollow and penetrates through the outer surface of the mounting frame, the insulating plate is installed in the mounting frame, an insulating disc is arranged on one side of the mounting frame, and the insulating disc is arranged on the other side of the mounting frame. The insulating disc is arranged on the round rod in a sleeving mode, and the plastic supporting base is fixedly installed in the installation frame. The installation frame is installed in the shell, the insulation plates are arranged in the installation frame, the two coils can be protected by arranging the insulation plates, the situation of electrical short circuit is avoided, meanwhile, the insulation disc is arranged between the two insulation plates, the protection effect can be improved, the situation that current bypasses an original circuit, and consequently electrical short circuit is likely to be caused is avoided, and the service life of the transformer is prolonged. Therefore, the transformer is prevented from being damaged and normal use of the transformer is ensured.

The present invention discloses an electronic component and a terminal device, wherein the electronic component comprises a dielectric layer and an electrode layer, wherein the electrode layer is arranged on the dielectric layer, wherein the electrode layer comprises a main body, a first end and a second end, wherein the first end and the second end are respectively connected to two ends of the main body to enclose together to form an inductance region, wherein the first end and the second end are both extended along a first direction and arranged facing each other and spaced in a second direction, wherein the width of the main body in the line width direction is a first width, wherein at least a portion of the first end in the line width direction is smaller than the first width, and / or, at least a portion of the second end in the line width direction is smaller than the first width, so that the distance between the first end and the second end in the second direction is increased, wherein the first direction is perpendicular to the second direction. By adopting the scheme of the present invention, the distance between the first end and the second end can be increased, and the situation that the first end and the second end are connected to each other and short circuit occurs can be avoided.

The utility model discloses an energy-saving and environment-friendly OA all-steel network floor, which relates to the technical field of floors and comprises a plurality of floors and a support, the plurality of floors serving as the main body of the network floor are rectangular, and the plurality of floors are mutually spliced into the rectangular network floor; the plurality of brackets are used for supporting the floors, and are respectively positioned below four corners of the plurality of floors; then the base of the support is fixedly connected with the ground through the connecting holes in the four corners, after the support is fixed, the floor is evenly laid on the top of the support, the four corners of the filling plate are clamped with the cross-shaped base, the cross-shaped base plays a role in positioning the filling plate, the filling plate can be arranged more smoothly, and the filling plate can be arranged more stably. Meanwhile, the filling plate can be prevented from shaking or displacing; the anti-vibration pad on the inner side of the filling plate is matched with the filling plate to support the top plate, meanwhile, the anti-vibration pad can absorb pressure borne by the top plate, the bearing capacity of the top plate can be improved, excessive friction between the top plate and the filling plate can be prevented, and the service life of the top plate and the cross seat is prolonged.

The embodiment of the utility model discloses a hot water module, cleaning equipment and a cleaning system.The hot water module is applied to the cleaning equipment, the cleaning equipment comprises a water inlet pipeline and a water outlet pipeline, the hot water module comprises a shell and a heating pipe, the shell is provided with an inner cavity, a via hole is formed in the shell, the heating pipe is installed in the inner cavity, and the heating pipe and the inner structure of the shell are arranged in a spaced mode; the heating pipe is provided with a water inlet and a water outlet, and the water inlet pipeline and the water outlet pipeline are correspondingly communicated with the water inlet and the water outlet through the via holes respectively. According to the technical scheme, the heating pipe is isolated from other parts of the cleaning equipment, the heat insulation effect is achieved, meanwhile, water is prevented from splashing to the surface of the heating pipe to generate steam, the situation that other surrounding electric appliance elements are short-circuited due to the steam is avoided, and the working safety of the cleaning equipment is guaranteed.

This invention provides an all-solid-state battery, including a casing and a solid-state battery body disposed inside the casing. The solid-state battery body includes a positive electrode portion, a solid electrolyte layer, and a negative electrode portion stacked sequentially. The solid electrolyte layer includes a first surface and a second surface facing each other. The first surface has a receiving groove, and the second surface has a protrusion. The positive electrode portion includes a positive electrode body and a positive electrode current collector. The positive electrode body is disposed within the receiving groove, and the positive electrode current collector is attached to the first surface of the solid electrolyte layer. The negative electrode portion includes a negative electrode body, a negative electrode current collector, and an elastic buffer layer. The elastic buffer layer has a cavity inside to accommodate the negative electrode body and the negative electrode current collector. An opening is provided on the surface of the elastic buffer layer near the protrusion, and the protrusion seals the opening and abuts against the negative electrode body inside. The all-solid-state battery of this invention has advantages such as high safety and low expansion rate.

The utility model discloses a kind of short-circuit-preventing string light components, comprising: substrate, the substrate has bearing surface;Insulating boss, be set on the bearing surface, and the bearing surface is divided into two halves;Positive electrode wire and negative electrode wire, respectively set on two the bearing surface of the insulating boss two sides;And at least one lamp pearl, two ends are respectively welded on the positive electrode wire and negative electrode wire.The setting of bearing surface can carry positive electrode wire and negative electrode wire, insulating boss can separate positive electrode wire and negative electrode wire, so that when welding lamp pearl, due to the blocking effect of insulating boss, the tin paste on positive electrode wire and negative electrode wire will not flow together, prevent the short-circuit situation occurs.

The utility model discloses a battery and a power battery system, and relates to the technical field of batteries, the battery and power battery system comprises an insulating film, the insulating film covers the peripheral side of a battery cell, and the insulating film extends out of the battery cell towards a top cover and is connected with an insulating assembly; moreover, the shortest vertical distance between the insulating film and the top cover in the length direction is h1, the shortest vertical distance between the insulating film and the overlapping region of the insulating film and the insulating assembly in the length direction is h2, and the parameters meet a preset relationship, so that the battery and the power battery system can avoid the conditions of explosion point and welding failure of the insulating film caused by welding of the top cover; the connection strength of the insulating film and the insulating assembly is ensured, and the condition of battery short circuit caused by lap joint of the battery core and the shell is avoided.

The utility model relates to the technical field of automobile detection equipment, in particular to automobile safety detection equipment. The detection device comprises a detection device body, the surface of the detection device body is provided with heat dissipation holes, the lower surface of the detection device body is provided with a moving device, the moving device comprises a base, the base is fixedly connected with the lower surface of the detection device body, the inner surface of the base is rotatably connected with two rotating rods, and the two rotating rods are arranged on the lower surface of the detection device body. A square rod is fixedly connected to the arc surface of the rotating rod, two universal wheels are fixedly connected to the surface of the square rod, two fixing rods are fixedly connected to the surface of the base, an operation plate is slidably connected to the arc surfaces of the fixing rods, and two insertion rods are fixedly connected to the side, close to the base, of the operation plate. The problem that the detection equipment body is inconvenient to move due to the fact that the detection equipment body is heavy when a worker needs to move the detection equipment body is solved.

The utility model discloses a water lamp structure with dynamic light and shadow pattern effect, include: a base, be equipped with an electronic control module in this base, a water lamp main part is the hermetic cavity of hollow light -transmitting, and fixed mounting is in the base, and the hermetic cavity is filled with transparent liquid, a bridge structure is arranged in the water lamp main part inside, and is installed with the sealed frame on the bridge structure, and at least is equipped with a light emitting component in the sealed frame, and the wiring end of light emitting component is passed through the wire passage of sealed frame and bridge structure and is connected with the electronic control module of base electrically through extension, the utility model discloses a water lamp structure with dynamic light and shadow pattern effect, can realize the sealing waterproof of light emitting component through the sealed frame, avoids the short circuit situation of light emitting component, to this improves the waterproof performance of light emitting component to ensure the service life of light emitting component, and through the cooperation of electronic control module and light emitting component, can realize a variety of light and shadow effect, and then improve consumer visual sense.

The utility model discloses a lithium battery assembly rack convenient for batch processing, and relates to the technical field of lithium battery assembly, the lithium battery assembly rack comprises an assembly rack frame and a heat dissipation fan, one side of the assembly rack frame is provided with a groove, the heat dissipation fan is fixedly connected in the groove, one side of the heat dissipation fan is fixedly connected with a dustproof net, and the dustproof net is fixedly connected with a motor. The lithium battery assembling frame comprises an assembling frame body, the bottom of the assembling frame body is fixedly connected with a support, the top of the assembling frame body is fixedly connected with a driving mechanism, and the left side and the right side of the assembling frame body are each provided with two sets of grooves. The welding degree is improved, meanwhile, the machining efficiency is improved, the labor input cost is reduced, the positioning mechanism is arranged on one side of the lithium battery body, after each string of lithium batteries are fixed, a nickel sheet insulating material in the positioning mechanism is used for separating each string of lithium batteries, and the situation that short circuit occurs later due to the fact that the outer skin of the lithium battery body is damaged is prevented.

The utility model relates to the technical field of copper lead frames, in particular to a copper lead frame convenient to position, which comprises an outer frame strip, one side of the outer frame strip is fixedly connected with a thick column, one side of the thick column is fixedly connected with a wire bundling mechanism, the wire bundling mechanism comprises a wire winding column, a clamping piece, a clamping hole and a welding hole, one side of the thick column is fixedly connected with the wire winding column, and the other side of the thick column is fixedly connected with the clamping hole. A clamping piece is fixedly connected to one side of the wire winding column, a clamping hole is formed in the clamping piece, and through the arrangement of the thick column, the wire winding column, the clamping piece, the clamping hole, the welding hole and the wire winding hole, when the wire winding device is used, a worker winds a connecting wire into the wire winding hole through the wire winding column, then the head of the connecting wire is placed at the position of the welding hole, and then the connecting wire is fixed through a welding machine. The arrangement of the welding holes can play a better role in positioning, the situation that short circuit connection is not conducted due to wrong installation in the installation process is avoided, then the clamping holes formed in the clamping pieces are connected to the edges of the inner frame strips in a clamped mode, and therefore the purpose of fixing is achieved.

The utility model relates to a hydro-electric combined slip ring for transmitting liquid and load, which comprises a rotor, a stator and an electric slip ring, a flange, a first step, an outer ring groove, a second step and a clamping groove are sequentially arranged on the outer wall of the rotor in the length direction, a through hole is formed in the center, a plane is arranged on the side wall of the flange, and a first connecting hole is formed in the plane. One outer ring groove is provided with a second connecting hole, the first connecting hole is communicated with the second connecting hole through a communicating hole, the outer wall of the stator is sequentially provided with a liquid channel and a water drainage hole, one end of the stator is fixedly connected with a cover plate, the cover plate is fixedly connected with the electric slip ring, and the stator is in rolling connection with the rotor through a first bearing and a second bearing. The electro-hydraulic combined slip ring for transmitting the liquid and the load has the advantages of leakage prevention, convenience in maintenance, convenience in assembly and the like.

The utility model discloses a waterproof high-temperature-resistant power cable, which relates to the technical field of power cables and comprises a cable tube, a plurality of copper cores are arranged in the cable tube, a fireproof layer is arranged on the outer side of the cable tube, a waterproof layer is arranged on the outer side of the fireproof layer, and a wear-resistant protective sleeve is arranged on the outer side of the waterproof layer. A cavity is formed between the waterproof layer and the wear-resistant protective sleeve; the reinforcing rings and the reinforcing ribs play a role in protecting the waterproof layer, the strength and the toughness of the waterproof layer can be enhanced, the phenomenon that the power cable is broken is avoided, the fireproof layer can play a role in flame retardance on fire, and continuous combustion of the fire is avoided; wherein the set metal wire mesh is high in ignition point and plays a role in binding the cable tube, so that the copper core in the cable tube is connected more tightly, and the set plaster tube is made of rubber tube coated plaster, so that the plaster tube has good elasticity and buffering performance, and damage to the cable tube caused by external force of the power cable is avoided.