129results about "Cable installations in surface ducts" patented technology

A cable trough for installing cables alongside a railway line or other right of way is described. The cable trough is constructed using longitudinally oriented reinforcing fibers coated with polymeric resin that generally aligns the reinforcing fibers with the length of the cable trough. One or more connector clips may be used to secure respective portions of the cable trough to one another. The cable trough is provided with a cover that may be removably secured to an elongate channel to protect the cables housed within the cable trough. Elbows, corners, tees, and other connectors may be provided to run the cable trough in any desired direction. A method of installing cables in a cable trough is also described.

The utility model discloses a pressure-resistant MPP electric power pipe, which comprises an inner pipeline and a buffer pressure-resistant outer pipe, the buffer pressure-resistant outer pipe is sleeved on the outer wall of the inner pipeline, the buffer pressure-resistant outer pipe comprises a connecting pipe and a protective pipe, the connecting pipe is slidably connected on the outer wall of the inner pipeline, a buffer cavity is formed between the protective pipe and the outer wall of the connecting pipe, and the protective pipe is sleeved on the buffer cavity. A plurality of evenly-distributed arc-shaped buffer plates and buffer pipes are fixedly connected into the buffer cavity, the arc-shaped buffer plates are arranged at equal intervals and fixedly connected with the outer wall of the connecting pipe, the outer surfaces of the arc-shaped ends of the arc-shaped buffer plates abut against the inner wall of the protective pipe, and the buffer pipes are arranged between every two adjacent arc-shaped buffer plates. The buffer pipes are fixedly connected with the two adjacent arc-shaped buffer plates and abut against the inner wall of the protection pipe. The arc-shaped buffer plates and the buffer pipes which are uniformly distributed are arranged in the buffer cavity, so that external pressure borne by the protective pipe can be effectively absorbed and dispersed, and deformation and fracture caused by the fact that the local part of the inner pipeline suffers from the external pressure are reduced.

The utility model relates to the field of power cables, in particular to a plastic conduit convenient for positioning and splicing for a power cable, which comprises a main plastic conduit body used for sleeving and protecting the power cable; and the first connecting kit is fixed at one end of the main plastic conduit body and is used for splicing, and one end of the main plastic conduit body is movably butted with an auxiliary plastic conduit body. According to the power cable plastic guide pipe convenient to position and splice, through the arrangement of the main plastic guide pipe body, the first connecting sleeve piece, the auxiliary plastic guide pipe body, the second connecting sleeve piece, the butt joint block, the butt joint plate and the bolt, when splicing is needed, the main plastic guide pipe body and the second connecting sleeve piece are connected; the butt joint plates on the two sides of the second connecting sleeve piece at one end of the auxiliary plastic guide pipe body are inserted into the butt joint blocks of the first connecting sleeve piece at the other end of the main plastic guide pipe body to form positioning butt joint, then the bolts penetrate through the butt joint blocks and the butt joint plates, the main plastic guide pipe body and the auxiliary plastic guide pipe body are conveniently spliced, and compared with traditional hot melting, the splicing is faster.

A cable conduit for placement on a surface and housing a cable is provided herein. The conduit has a longitudinal axis defining a centerline thereof, and a cable receiving channel extending along the longitudinal axis to receive a cable. The catheter includes a base portion, a first ramp portion, and a second ramp portion. The base extends between the first longitudinal edge and the second longitudinal edge, and includes a first planar portion extending between the first longitudinal edge and the centerline, and a second planar portion extending between the second longitudinal edge and the centerline. The first ramp portion extends from the first longitudinal edge of the base portion toward the centerline such that a first angle is formed between the first portion of the base portion and the first ramp portion. The second ramp portion extends from a second longitudinal edge of the base portion toward the centerline such that a second angle is formed between the second portion of the base portion and the second ramp portion. And the inner edge of the first slope part and the inner edge of the second slope part are separated by a longitudinal opening. The longitudinal opening extends parallel to the center line and exposes the cable receiving channel. The first angle and the second angle are both less than 15 degrees, and the base is deformable about the centerline such that the catheter is reversible between the first configuration and the second configuration. In the first configuration, the first portion and the second portion of the base are coplanar, and the longitudinal opening has a first width. In the second configuration, the first ramp portion and the second ramp portion are coplanar, and the longitudinal opening has a second width. The second width is narrower than the first width.

The utility model relates to the technical field of cable protection tubes, in particular to a hexagonal cable protection tube with strong compression resistance, which comprises tube bodies, a screw sleeve and a connecting sleeve are respectively embedded at two ends of each tube body, a connecting tube head is integrally formed at one end of each connecting sleeve and is matched with the screw sleeve, and when the two tube bodies are connected end to end, the screw sleeve is connected with the connecting tube head. Notches are formed in the ends, connected with the pipe bodies in a screwed mode, of the screw sleeves and the connecting pipe heads, half studs are fixed in the notches, after the two pipe bodies are connected end to end, the half studs at the ends of the two pipe bodies are spliced into a stud, and the stud is sleeved with a nut in a screwed mode; the utility model has the beneficial effects that the screw sleeve and the connecting sleeve are respectively embedded at the two ends, and the end-to-end connection of the two pipe bodies is realized through threaded connection. The connecting mode is simple and easy to implement, and tight connection between the two pipe bodies can be ensured. In addition, the notch is formed in the end of the pipe body, the half stud is fixed, and then the nut is arranged in a sleeving mode for locking, so that the connecting structure is further reinforced, and potential safety hazards caused by loose connection are effectively avoided.

An embedded positioning pipe fitting for electrical installation comprises a pipe fitting body, a plugging assembly is arranged at the end of the pipe fitting body and comprises an outer sleeve arranged outside the pipe fitting body in a sleeving mode and an inner sleeve matched with the inner wall of the pipe fitting body, an annular baffle coaxial with the outer sleeve is arranged at one end of the outer sleeve, and the outer diameter of the annular baffle is consistent with that of the outer sleeve; the inner diameter of the annular baffle is consistent with that of the inner sleeve, and an annular groove is formed in the side face, away from the pipe fitting body, of the annular baffle. A blocking circular plate is arranged at one end of the inner sleeve and located on the outer side of a pipe opening of the pipe fitting body; an annular notch is formed in the end, clamping the annular baffle, of the outer sleeve. The plugging circular plate can play a role in plugging the end opening of the pipe fitting body, mortar, concrete and the like are prevented from entering the pipe fitting body during embedding, the phenomenon that the pipe fitting body is plugged or corroded by materials such as the concrete and the like is reduced, the outer sleeve and the inner sleeve can prevent the pipe fitting body from being subjected to large external force during embedding, and the sealing effect is good. Therefore, the weak position of the port is damaged.

The utility model discloses a cable support for electric power facility installation, which belongs to the technical field of cable supports and comprises a stable bottom plate, a fixed frame is fixedly mounted on the upper surface of the stable bottom plate, and a slidable lifting vertical plate is arranged in the fixed frame. And a positioning rod penetrating through the interior of the lifting vertical plate is inserted into the fixing frame, a stabilizing transverse frame is fixedly installed on the upper surface of the lifting vertical plate, a partition vertical plate is fixedly installed in the middle of the stabilizing transverse frame, and a clamping and positioning device is arranged in the stabilizing transverse frame. According to the cable support for electric power facility installation, a pulling cross rod and a pulling support are arranged to drive a pulling rod and a moving cross plate to push an arc-shaped clamping plate to move inwards so as to clamp and fix a cable, so that the cable has a better clamping and fixing effect, and the stability of lifting the cable can be better guaranteed; and the situation that the cable slips off is effectively avoided, the cable can be better installed, and the use convenience is effectively improved.

The utility model relates to electric power pipe technical field discloses a reinforced polypropylene electric power pipe, including the pipe body, the pipe body includes polypropylene inner layer, short glass fiber reinforced layer, polyester reinforcing layer and polypropylene outer layer from inside to outside in proper order, be equipped with the hydrophilic wet layer between polyester reinforcing layer and polypropylene outer layer, be equipped with a plurality of radial micro -holes in the polypropylene outer layer, the radial micro -hole is conical circular truncated cone hole shape, and the size is big outside small in; The radial micro -hole is uniformly distributed along the length extension direction of the pipe body, and is arranged in the 120 degree range of the top of the pipe body, the inner wall of radial micro -hole is equipped with hydrophobic coating. Solve the problem that the polyester reinforcing layer is prone to hydrolytic aging phenomenon when the electric power pipe is buried or exposed to humid environment in the prior art, leading to the problem of tensile strength decline, long-term reliability reduces.

The invention discloses an intelligent protection device for large-scale power plant equipment and a use method, and aims to solve the problems of poor flexibility, single function and lack of intelligent early warning of an existing protection device. The device comprises a base, a stand column, a baffle, a water level detection system and an audible and visual alarm, the base is provided with a splicing structure and can be flexibly combined, the stand column can be turned over, the angle of the stand column is locked through a pin rod, and the baffle is detachably fixed through magnetic attraction or clamping; the water level detection system can adjust sensitivity and remotely give an alarm when accumulated water exceeds a threshold value; the wire row seat is used for arranging cables and is waterproof and isolated. When the audible and visual alarm is damaged, on-site warning and remote signal transmission are triggered. The device can realize three deployments of foundation protection, reinforcement protection and ponding early warning, adapts to equipment operation and maintenance working conditions, improves protection suitability, safety and operation and maintenance efficiency, and is suitable for protection of key equipment of a large power plant.

An electric vehicle charging station parking block. In one aspect, the parking block includes a top surface and a bottom surface. The bottom surface is configured to be closer to the ground than the top surface when the parking block is in an installed state. The parking block has a cord channel defined within the parking block at a location between the top surface and the bottom surface. The cord channel is an air gap configured to receive a cord connecting an electric vehicle (EV) charger to an EV charging port configured to physically connect to the EV.

The utility model relates to the technical field of PVC (polyvinyl chloride) line pipes, in particular to a line pipe convenient to connect, which comprises at least two sequentially connected pipe fitting units and a plurality of locking pieces, each pipe fitting unit comprises a socket part and a spigot part connected with the socket part, the spigot parts of the adjacent pipe fitting units are inserted into the socket parts, and the locking pieces are connected with the socket parts. A guiding-in groove is formed in the position, located on the inner wall, of one end of the socket part, a protruding part is arranged on the outer wall of the spigot part, the protruding part is in sliding connection with the guiding-in groove of the adjacent pipe fitting unit, and a first inserting hole and a second inserting hole are formed in the socket part and the spigot part respectively. The first inserting hole is communicated with the second inserting hole of the adjacent pipe fitting unit, and the locking piece can be inserted into the first inserting hole and the second inserting hole which are in a communicated state. The first inserting hole and the second inserting hole can be quickly aligned through the effects of the guide-in groove and the protruding part, time for alignment is not needed during installation, glue does not need to be smeared for connection and fixation, and the construction efficiency is improved.

The invention relates to a locking system (1) for a charging plug part (4), which is arranged and / or can be arranged, in particular in a cavity (2) of a curb element (3), comprising a flap (5), a gear mechanism (6), and an actuator (7), wherein the flap (5) is coupled to the actuator (7) by means of the gear mechanism (6) such that the flap (5) can be positioned in a flap charging position (KL) and a flap closing position (KV) by means of the actuator (7). The invention further relates to an associated charging system (16) for electrical storage devices (17).The system complexity of the locking system (1) and the loading system (16) is reduced and / or their ease of use is increased by providing a stop (8), wherein the flap (5), the gear mechanism (6) and / or the actuator (7) can be blocked by positioning the flap (5) in the flap-lock position (KV) by means of the actuator (7) by means of the stop (8) and thus the flap (5) can be secured in its flap-lock position (KV), wherein the gear mechanism (6) has a lever element (9), wherein the lever element (9) can be positioned in a lever element locking position (HV), in a lever element unlocking position (HE) and in a lever element loading position (HL) by means of the actuator (7).

The utility model relates to the technical field of cable fittings, and discloses an anti-winding cable protection tube, which comprises a tube body, one end of the tube body is fixedly connected with a threaded insertion tube, the outer surface of the other end of the tube body is provided with an annular groove, and a threaded sleeve is clamped in the annular groove. A plurality of partition blocks distributed circumferentially are fixedly connected into the pipe body, a plurality of cable connecting spaces are formed through the partition blocks, so that a plurality of strands of cables can be arranged in the connecting spaces in a penetrating mode, the diameters of the inserting shafts are adjusted, the inserting shafts are arranged in a penetrating mode, and the connecting blocks drive the clamping blocks to slide. The multi-strand cable fixing device is simple in structure and convenient to operate, the multi-strand cable fixing work is achieved, meanwhile, through the arrangement of a plurality of anti-seismic pads, on the premise that the multi-strand cable is prevented from winding, the anti-seismic effect of a plurality of cables in use is improved, through mutual threaded connection of a plurality of pipe bodies, connection protection of cables of different lengths is achieved, operation is convenient, and the service life of penetrating of the multi-strand cable is prolonged.

The invention discloses a ground line protection device for urban rail transit signal construction, belongs to the technical field of cable protection equipment, and aims to solve the problems that assembly and use are inconvenient, corresponding angle adjustment cannot be performed according to the ground gradient after assembly, and protected wiring cannot be effectively limited. A mounting mechanism is arranged below the protective block, a limiting mechanism is arranged on the upper portion of the base, a rotary connecting mechanism is arranged at the bottom of the base, and a sliding mechanism is arranged on the protective block. According to the device, the protective module arranged on the base is matched with the mounting mechanism and the rotary connecting mechanism, so that when the device is assembled and used, the protective module can be conveniently assembled and connected, the assembling efficiency of the device in the using process is improved, and after assembling is completed, the protective module can be conveniently assembled and connected. And the two connected protection modules can rotate conveniently, so that corresponding angle adjustment can be conveniently carried out in the installation process according to the ground gradient of an installation site.

The utility model relates to the field of cable conduits, in particular to a cable conduit with a flame-retardant structure, which comprises a cable conduit main body. And the protection layer wraps the cable conduit main body and is used for protecting the cable conduit main body, and the protection layer comprises a heat-resistant layer. According to the cable conduit with the flame-retardant structure, through the arrangement of the cable conduit main body, the protection layer and the high-temperature-resistant layer, the flame retardance of the whole cable conduit is enhanced, the change of the outer side of a cable in a high-temperature environment is avoided, the heat-resistant layer on the outer layer of the cable conduit main body is glass fiber cloth, and glass fibers are used as raw materials, so that the cable conduit is environment-friendly. The cloth-shaped material manufactured through the textile technology has excellent mechanical property, heat resistance, corrosion resistance, insulativity and flame retardance, the outer flame-retardant layer of the heat-resistant layer is made of polyvinyl chloride and has a good flame-retardant effect, and the high-temperature-resistant layer in the inner pipe is matched with a polymer added with a flame retardant, so that the fireproof performance of the cable conduit is improved.

The utility model relates to the technical field of power cable conduits, in particular to a power cable conduit with a skeleton structure, which comprises a cable conduit main body, a cable is sleeved on the inner wall of the cable conduit main body, a protection assembly is chemically bonded on the inner wall of the cable conduit main body, and two ends of the outer wall of the cable conduit main body are mechanically connected with supporting mechanisms. And the cable tube penetrates through the cable tube main body to the inner wall of the protection assembly. Through mutual cooperation of internal parts of the protection assembly, the fireproof performance and the sealing performance of the cable tube main body are conveniently improved, the cable on the inner wall of the cable tube main body is protected, the cable can be normally used, the waterproof performance of the cable tube main body and the cable can be improved, and the service life of the cable tube is prolonged. Through mutual cooperation of internal parts of the supporting mechanism, the supporting performance of the cable tube main body is improved, the cable tube main body is not deformed under long-term extrusion, and mutual butt joint connection of multiple cable tube main bodies is facilitated.

The utility model relates to MPP electric power pipe technical field discloses a kind of composite MPP electric power pipes, including the inner tube body and outer tube body prepared by MPP material, the inner side wall of outer tube body is along circumference and is provided with multiple axial clamping slots, the inner tube body is correspondingly provided with multiple support frames detachably connected with the axial clamping slot, the support frame is in " V " shape, the tip of support frame is fixedly connected with the outer side wall of inner tube body, two opposite free ends of support frame are respectively provided with large head, the large head is one-to-one corresponding with axial clamping slot and is respectively clamped into corresponding axial clamping slot, and the large head and axial clamping slot are slidingly matched. Solve the problem that composite MPP pipe is easily deformed locally by inappropriate external force in the process of use in the prior art.

A duct bank for enclosing utility lines underground includes a first main duct formed from a nonmetallic material. The first main duct defines an interior volume therewithin and has a circular cross-sectional shape. The duct bank further includes a plurality of sub-ducts each formed from a nonmetallic material and being disposed in the interior volume of the first main duct. Each of the plurality of sub-ducts has a circular cross-sectional shape and is configured to carry one or more utility lines. The nonmetallic material of the first main duct includes one or more of: glass reinforced polyester (GRP), a hybrid fiber-reinforced epoxy-based laminate, or glass-reinforced vinyl ester. The nonmetallic material of each of the plurality of sub-ducts includes one or more of: GR, high-density polyethylene (HDPE), or polyvinyl chloride (PVC).

This utility model provides a protection device for the opening of a rail pipe at a four-electric interface in high-speed railway, belonging to the technical field of rail pipe opening protection. It includes a rubber sleeve, fixing blocks, a connecting rod, and a traction hook. The rubber sleeve includes a circular top plate and an annular side plate located below the circular top plate. Multiple fixing blocks are arranged on the inner wall of the annular side plate. The connecting rod extends beyond the bottom end of the annular side plate; its end inside the rubber sleeve connects to the bottom end of the fixing blocks, and its end outside the rubber sleeve connects to the bottom end of the traction hook. By placing the rubber sleeve over the rail pipe opening, the opening can be sealed and protected effectively.

This utility model relates to the field of wire harness protection technology, specifically a wire harness protection component for CNC machine tools. It includes a first protective base plate, an adjusting plate slidably connected to the surface of the first protective base plate, a second protective base plate fixedly connected to the surface of the adjusting plate, and a limiting block fixedly connected to the surface of the first protective base plate. This utility model changes the distance between the second and first protective base plates by sliding the adjusting plate on the guide groove of the first protective base plate. After adjusting the lengths of the first and second protective covers, they are locked by limiting bolts and limiting holes. Under the constraints of the first and second limiting rods, the limiting block, and the limiting guide rail, the overall length of the protective component can be adjusted. This allows for flexible control of the protection length, adapting to the distance between the CNC machine tool and the CNC host, thus improving the adaptability of the protective component.

The application discloses a wire-through skirting line, which is fixed to a ground surface layer and is used for fixing a box plate and a decorative panel, and comprises a wire-through box and a fixing part. A wire-through hole is arranged on the wire-through side of the wire-through box, and the wire-through hole is used for passing through an electric circuit. The wire-through box is used for containing the electric circuit. The fixing part is arranged on the top of the wire-through box and is used for fixing the box plate. The decorative panel is fixed to the box plate. By fixing the box plate and the decorative panel to the same wire-through skirting line, the installation efficiency and positioning accuracy of the wire-through skirting line and the bar counter are improved. In the application, the ground keel is pre-buried first, then the wire-through skirting line is fixed to the pre-buried ground keel, and finally the bar counter, the box, the decorative panel and the like are processed. Since the positioning steps of the bar counter, the box and the decorative panel are omitted, the installation steps of the wire-through skirting line and the bar counter are simplified. The application further discloses a bar counter construction method.

A cable gully for receiving an Electric Vehicle (EV) charging cable 104, the cable gully extending along a gully axis comprising: a channel body 22 defining a channel that is open along its upward-fac

An electric vehicle charging station parking block. In one aspect, the parking block includes a top surface and a bottom surface. The bottom surface is configured to be closer to the ground than the top surface when the parking block is in an installed state. The parking block has a cord channel defined at a location within the parking block that is between the top surface and the bottom surface. The cord channel is a void configured to accept a cord that connects an electric vehicle (EV) charger to an EV charging port configured to physically connect to an EV.

Charging device (2) for charging electric vehicles - with at least one charging station (4) which has a charging cable (39) or a charging socket for connecting a charging cable, and - with at least one cable duct section (12) for guiding at least one power supply line to the or each charging station (4), wherein the or each cable duct section (12) has a U-shaped cross-section with an open longitudinal side (18), wherein the charging station (4) is mounted either adjacent to the cable duct section (12) on the substrate (24) or on the cable duct section (12) connected to the substrate (24).

An arrangement for providing a charging connection for an electric vehicle, the arrangement comprising: an elongate groove formed in a surface of a pavement or sidewalk; and a conduit received within the elongate groove, the conduit having an open state and a closed state, wherein in the open state the conduit defines an opening at the surface of the pavement or sidewalk, through which at least a portion of a vehicle charging cable may be inserted into the conduit, and in the closed state an exposed surface of the conduit at the surface of the pavement or sidewalk covers the vehicle charging cable.

The invention provides an electric wire protection tube for a parking building, and belongs to the technical field of electric wire protection tubes, and the electric wire protection tube comprises a protection mechanism which comprises a first tube body and a second tube body spliced with the end part of the first tube body; the quick mounting mechanism comprises a quick mounting part used for quickly splicing the first pipe body and the second pipe body and a reinforcing part used for reinforcing the stability after the first pipe body and the second pipe body are spliced, and the quick mounting part comprises an inner cylinder fixed to the end of the second pipe body and a plurality of clamping blocks fixed to the outer surface of the inner cylinder. The splicing operation of the first pipe body and the second pipe body can be greatly simplified through the quick-mounting part, the time and labor cost needed by splicing are reduced, the connecting stability of the two pipe bodies can be further improved through the reinforcing part after splicing, the situation that the splicing position is loosened due to vehicle rolling, environment vibration and other factors is avoided, the overall protection performance of the protection pipe is guaranteed, and the service life of the protection pipe is prolonged. Therefore, the system is suitable for the complex installation and use environment of the parking building.

The application relates to the technical field of cable protection pipes, and more particularly discloses a CPVC cable protection pipe and a preparation method thereof, which comprises an outer anticorrosion layer, a middle pressure boosting layer and an inner wear-resistant layer. The outer anticorrosion layer is composed of the following raw materials in parts by mass: CPVC resin 50-70 parts, PVC resin 30-45 parts, anti-aging agent 15-20 parts, high-temperature-resistant agent 12-13 parts, impact-resistant agent 9-10 parts, plastic reinforcing agent 1-3 parts, flame retardant 8-9 parts, lubricant 3-4 parts and plasticizer 2-5 parts. The middle pressure boosting layer is composed of the following raw materials in parts by mass. The application adopts the alternating reinforcing structure of the middle pressure boosting layer, the stable supporting effect of the middle pressure boosting layer on the whole is greatly improved after injection molding, and the material of the middle pressure boosting layer has better fluidity than that of the outer anticorrosion layer and the inner wear-resistant layer, so that the material of the pressure boosting layer can still fill each part of the middle pressure boosting layer mold without being affected by the complex pipeline during the injection molding process of the middle pressure boosting layer, and good production effect is achieved.