12results about How to "Stable laying" patented technology

The utility model discloses a compression-resistant insulating flame-retardant cable, which relates to the technical field of wires and cables and comprises a first cable core and three second cable cores, the first cable core and the three second cable cores are all arranged in the same inner filling layer, and three first shearing openings distributed in a central symmetry manner are arranged on the inner filling layer. The three first shearing openings are respectively located between two adjacent second cable cores, the inner filling layer is arranged in the outer sheath, the outer sheath is provided with three second shearing openings which are distributed in a central symmetry manner, and the three second shearing openings are respectively arranged opposite to the three first shearing openings; according to the utility model, the inner filling layer and the outer sheath are respectively provided with the first shearing opening and the second shearing opening, so that great convenience is provided for the maintenance of the cable, and when maintenance is needed, a technician can easily shear or rip a corresponding part without damaging the whole cable, thereby greatly shortening the maintenance time and improving the maintenance efficiency. And the maintenance cost is reduced.

The invention provides a guiding wiring laying device for an urban tunnel electric power pipeline, belongs to the technical field of cable laying, and solves the technical problem that an existing guiding wiring laying device cannot perform rapid and accurate guiding wiring auxiliary laying on the electric power pipeline in an urban tunnel. A guiding wiring laying device for urban tunnel power pipelines comprises a base, moving wheels rotationally connected to the interior of the base and a handrail fixedly installed on one side of the base, a telescopic rod is fixedly connected to the surface of the base, and a top frame is fixedly connected to the top end of the telescopic rod. According to the device, the top frame is telescopically arranged at the top of the base, so that the device can guide and arrange power pipelines at different heights in the urban tunnel, and the abutting frame is arranged in the top frame, so that the abutting frame abuts against the wall nails on one side all the time, and the mounting effect of the wall nails on one side of the fixing plate is ensured; and a percussion rod and a nail pushing head are telescopically arranged in the fixed box.

A supporting assembly for cable laying comprises a stand column capable of being connected with an external supporting piece, and the stand column is provided with a plurality of installation bases at intervals from top to bottom; supporting arms are fixedly mounted on the sides, away from the stand column, of the multiple mounting bases, cables can be supported, the supporting arms extend in the direction away from the stand column, pressing arms are detachably mounted on the same sides of the mounting bases, and the pressing arms are located above the supporting arms; the pressing arm and the supporting arm are connected through a fastener, and the fastener can push the pressing arm to move towards the direction close to the supporting arm, so that the cable on the supporting arm can be pressed. The movable pressing arm is mounted on the mounting seat and can be detached, and the pressing arm and the supporting arm can be fixed through the fastener, so that laying of the cable is not affected, the pressing arm can be detached when the cable is laid, the cable can be conveniently placed on the supporting arm, and the cable and the supporting arm can be clamped through the fastener after laying is completed; and the stability of cable laying is ensured, and the occurrence of cable slipping is reduced.

A ladder type straight-through bridge comprises L-shaped bridge bodies, a transverse support and a hinge structure, the transverse support is placed between the two L-shaped bridge bodies, first bolts are arranged at the two ends of the transverse support, a pipe fixing groove is formed in the end face of the upper portion of the transverse support, sliding grooves are formed in the end faces of the upper portions of the L-shaped bridge bodies, and the hinge structure is connected between the L-shaped bridge bodies. The utility model has the advantages that the hinged structure is arranged, so that multi-angle adjustment can be carried out according to requirements, and different laying environments and requirements can be adapted. The angle of the straight-through bridge can be adjusted according to the actual situation, so that the straight-through bridge can better adapt to the laying path of the cable, and the safety and stability of the cable are improved.

The utility model belongs to the technical field of wetland soil remediation, and particularly relates to a wetland soil remediation protection device which comprises a shell with an open top, a wind-up roller is rotatably arranged in the shell, a protection net is wound on the wind-up roller, when one end of the protection net is pulled, the protection net covers the passing wetland soil, and when the other end of the protection net is pulled, the other end of the protection net is pulled. A protective net is arranged on one side of the shell from outside to inside in a penetrating mode, an opening is further formed in one side of the shell from outside to inside in a penetrating mode, one end of the protective net movably penetrates through the opening from inside to outside, a cutter for cutting the protective net is further arranged above the opening, and a cross beam is transversely arranged on the outer wall of the shell. The protective net is wound in the shell through the winding roller, and when the protective net is pulled outwards, the protective net can conveniently cover the passing wetland soil, so that the wetland soil is protected through the protective net, and the soil is prevented from being scattered along with wind.

The embodiment of the application provides a kind of optical module, it is related to optical communication technical field.Light module includes circuit board, optical assembly and optical fiber.Circuit board has opposite first surface and second surface, and opposite first end and second end;Circuit board is equipped with through hole passing through first surface and second surface;Optical assembly is located in the second surface of circuit board, in the side of through hole opposite from first end;Optical fiber is located on the first surface of circuit board, one end of optical fiber extends out of the first end of circuit board, the other end is arranged in through hole and is coupled to optical assembly;The first surface side of circuit board is equipped with recess, recess is located below optical fiber, and recess extends from the edge of through hole to first end to avoid optical fiber, so that optical fiber is laid more gently, avoid optical fiber and circuit board excessive interference and be damaged by the edge of circuit board.

The application relates to a cable laying drag-reducing roller, which comprises a steel ring and a rolling assembly; the steel ring is sleeved and fixed on the outer surface of a cable, and the inner diameter of the steel ring matches the outer diameter of the cable; the rolling assembly is uniformly installed on the outer surface of the steel ring in the circumferential direction and comprises a support frame and a drum-shaped ball, the support frame is fixed on the steel ring, the drum-shaped ball is installed on the support frame, and the curvature of the generatrix of the drum-shaped ball matches the curvature of the inner wall of a laying pipeline. The application has the advantages that two steel sheets connected through a hinge are buckled on the outer surface of the cable, installation is convenient, the drum-shaped ball is adopted in the rolling assembly, the curvature of the generatrix is the same as the curvature of the pipeline, the contact area of the rolling assembly and the pipeline is increased, the abrasion of the pipeline wall is reduced, and the service life of the drag-reducing roller is effectively prolonged.

The utility model relates to a laying device for wires and cables, which comprises a bottom plate, the top of the bottom plate is fixedly connected with a handle, the top of the bottom plate is provided with a pay-off assembly, the top of the bottom plate is fixedly connected with a wire guide assembly, the top of the bottom plate is fixedly connected with an auxiliary assembly, and the auxiliary assembly comprises a bottom frame fixedly connected to the top of the bottom plate. A sliding plate is arranged at the top of the bottom frame, and the top of the sliding plate is fixedly connected with two connecting plates. According to the laying device for the electric wire and cable, a cable needing to be laid penetrates through a guide hole and is located between two guide plates, an electric push rod is started to drive a connecting shell to move, the connecting shell moves to drive a roller to move, adjustment can be conducted according to the size of the cable, and the cable is stably laid; when a cable on the pay-off assembly is located at the foremost end or the rearmost end of the pay-off assembly, the cable can slide left and right along with the cable through the arranged sliding plate and the limiting groove, and finally the cable is stably and linearly laid through the cable guiding assembly.

The utility model relates to a waterproof coiled material laying tool based on asphalt coating, and relates to the field of waterproof coiled material laying equipment, the waterproof coiled material laying tool comprises oppositely arranged control assemblies, the control assemblies comprise supporting plates, the supporting plates are provided with film covering components, film covering cavities are formed by films on the opposite film covering components and a construction surface, and the film covering components are arranged in the film covering cavities. A film covering part is arranged on the supporting plate, a film covering cavity is formed in the film covering part, an edge pressing part is arranged above the film covering part, the edge pressing part seals the edge of the film covering cavity, a scraper part is arranged above the film covering part, the scraper part abuts against the film covering surface in a sliding mode, and a grouting part is further arranged on the supporting plate. And the grouting component injects a medium into the film covering cavity. The waterproof coiled material laying device has the advantages that the situation of asphalt material overflow caused in the waterproof coiled material laying process is reduced, and stable laying of the waterproof coiled material is achieved.

The present invention relates to the field of photovoltaic panel installation technology, specifically a photovoltaic panel hoisting device for photovoltaic power station installation, including a hoisting mechanism, the hoisting mechanism including a bearing plate, and the bearing plate is used to place the photovoltaic panel to be installed. In the present invention, four suction cups are fitted with the board surface, and when the air in the sleeve is under negative pressure, the hollow column will be driven to slide upward, and the photovoltaic panel will be adsorbed and raised together. When the driving rod slides in the spiral groove, the diamond plate will be driven to rotate, and the connecting rods at both ends can be driven to swing through the diamond plate, and the ends of the connecting rods will push the moving frame to slide on both sides of the lifting shell, so that the two moving frames are close to each other, and the four corners of the photovoltaic panel can be clamped by the right-angle clamps at both ends of the moving frame, so that the photovoltaic panel can be prevented from accidentally falling or offset due to external factors when it is adsorbed and hoisted. The hoisting mechanism can save the trouble of manual lifting, reduce manual labor and improve the lifting speed of the photovoltaic panel.

This utility model proposes an integral inclined laying and fixing structure of composite geomembrane between the dam body and the dam-penetrating structure, belonging to the field of water conservancy engineering technology. It mainly includes a reservoir connecting section culvert structure one, a reservoir connecting section culvert structure two, anchor bolts, nuts, stainless steel pressure plates, neoprene rubber gaskets, and composite geomembrane. The connection between the composite geomembrane on the dam slope and the structure adopts an anchoring + weight connection method. Before laying the membrane, it is ensured that the upstream slope of the dam and the upstream of the outlet structure two are on the same slope. Only two layers of geomembrane are laid at the bottom plate of the outlet structure two. Before laying the membrane, it is ensured that the upstream slope of the dam and the outlet of the outlet culvert are on the same slope. The geomembrane is laid flat, so that the geomembrane is in a stable stress state and avoids tearing and damage.