272results about How to "Improve laying efficiency" patented technology

The utility model discloses a power cable installation traction device, which belongs to the technical field of cable traction and comprises a box body, a lantern ring is fixedly arranged on one side surface of the box body, an inner cavity of the lantern ring is hollowed-out, a circular groove is formed in the inner cavity of the lantern ring, a limiting plate is fixedly arranged on the inner wall of one side of the circular groove, and an adaptive disc is arranged in the inner cavity of the lantern ring in a sliding manner. An inner cavity of the disc is hollowed out, teeth are installed on the peripheral side of the disc, a sliding groove matched with the limiting plate is formed in one side face of the disc, a brush used for cleaning the surface of the power cable is installed in the inner cavity of the disc, and a driving motor is fixedly installed on the inner wall of one side of the box body. An output shaft of the driving motor penetrates through the box body and is fixedly connected with a gear meshed with the teeth, and the two side faces of the box body are each provided with a through hole for a common power cable to penetrate through. According to the power cable installation traction device, the problem that dust and stone particles adhered to the peripheral side of a power cable slip is solved, and the laying efficiency of the power cable is improved.

The present invention relates to a floor, in particular to a double-layer composite floor and a preparation method thereof; belonging to the technical field of floor manufacturing. It comprises a hard core layer and an elastic surface layer, wherein the elastic surface layer covers the hard core layer at least on the upper surface and part of the side surface of the floor; and a matching structure is formed between the hard core layer and the elastic surface layer; the matching structure comprises a plurality of unit elements formed on the surface of the hard core layer and a plurality of corresponding elements formed on the surface of the elastic surface layer; the unit element is a strip structure with a convex or concave cross-section arranged along the length direction of the floor. The present invention arranges a matching structure between the elastic surface layer and the hard foam core layer, so that the elastic surface layer is firmly covered on the hard foam core layer, so that the present invention has the advantages of both the hard foam core layer and the elastic surface layer, and has high compressive strength and good surface contact.

The invention relates to a cold-resistant medium-voltage power cable applied to the field of cables, and the cable comprises a cable body, the outer end of the cable body is slidably sleeved with a bending protection sleeve, and through the cooperation of the bending protection sleeve, a chuck, a flexible electric heating patch and a bending induction assembly, on one hand, the bending difficulty of the cable body during laying can be reduced; on one hand, damage to the cable body caused by excessive bending is avoided, the laying efficiency and safety of the cable body in a cold region are improved, on the other hand, the laying position at the bending position can be heated, the flexibility of the cable body during laying can be improved, damage to the inner wire core of the cable body is reduced, and the service life of the cable body is prolonged. In addition, heat preservation protection can be carried out on the bending laying position of the cable body in the subsequent continuous application process of the cable body, the degree of influence of low temperature on the bending position is reduced, the risk of hardening or even cracking of the bending position is reduced, the durability of the cable body after laying is improved, and the safety and stability of the cable body in the power transmission process are effectively guaranteed.

The invention provides a cable winding and unwinding mechanism and a coal mine cable winding and unwinding vehicle with the cable winding and unwinding mechanism. The cable winding and unwinding mechanism comprises a chassis; the winding drum mechanism comprises a winding drum, a first driving device, a first seat body, a bearing structure and a second seat body, and the first driving device is in driving connection with the first end of the winding drum to drive the winding drum to rotate; the bearing structure supports the second end of the winding drum and is arranged on the second seat body; the conveying mechanism comprises a clamping part used for clamping the cable so as to drive the cable to rotate around the winding drum through the clamping part; the cable arrangement mechanism is located between the winding drum mechanism and the conveying mechanism and comprises a cable arrangement gantry which is movably arranged, and the cable arrangement gantry is used for arranging the cable in a penetrating mode so as to drive the cable to reciprocate in the preset direction; the winding drum supporting part comprises two supporting structures which are oppositely arranged, the first seat body is arranged on one supporting structure, and the second seat body is arranged on the other supporting structure. The cable laying and recycling device solves the problem that the labor intensity of workers is increased due to cable laying and recycling in the prior art.

The invention belongs to the technical field of cable laying, and relates to a cable snakelike laying fixing device and laying method for a high-fall terrain. The cable fixing device comprises two corner pulley blocks, at least one vertical support is arranged between the two corner pulley blocks, the vertical support is connected with a cable clamp through an adjustable detachable connecting piece, and the cable clamp is used for fixing a cable on the vertical support. The vertical support serves as a supporting point for cable laying, and the cable can be stably fixed. In actual construction, the number of the vertical supports can be selected according to requirements. The adjustable detachable connecting piece enables the cable clamp to be flexibly adjusted according to laying requirements of a cable, and ensures that the cable is firmly clamped and cannot be damaged due to over-tightness or over-looseness. The direction of the cable can be flexibly adjusted through the corner pulley block, so that the cable is smoothly transited in a high-fall terrain, the snake width adjusting requirement can be met, stress concentration and abrasion caused by direct bending of the cable can be reduced, and safe operation of the cable is facilitated.

The invention belongs to the technical field of pipeline pose measurement, and particularly discloses a straight pipeline spatial pose visual tracking device and method based on an edge contour, and the method comprises the steps: collecting a plurality of plane target images at different angles through a camera, and carrying out the calibration of the camera, and obtaining an internal reference matrix and a distortion coefficient of the camera; collecting an equal-diameter straight pipeline image with a known radius by using a camera, and carrying out edge contour feature extraction to obtain contour feature points; distortion correction is carried out on the feature points; linear fitting is conducted on the corrected distortionless contour feature points to obtain two contour lines of the equal-diameter straight pipeline, and the axis space pose is calculated according to the constraint relation between the two contour lines and the axis of the equal-diameter straight pipeline; the method can obtain the axis pose of the equal-diameter straight pipeline through linear calculation without distortion, has the advantages of being simple in hardware structure, convenient to operate, low in cost and the like, can quickly determine the pose of the equal-diameter straight pipeline, and achieves pose tracking of the equal-diameter straight pipeline.

The invention relates to an industrial low-smoke halogen-free fire-resistant low-voltage cable applied to the field of cables, which comprises a fire-resistant low-voltage cable body, the outer end of the fire-resistant low-voltage cable body is sleeved with an opening bending sheath in a sliding manner, and a bending clamping split body, the opening bending sheath, a bending regulation and control strip and a bending regulation and control system are adopted to be matched. The automatic bending regulation and control function of the self-adaptive fire-resistant low-voltage cable body parameters can be effectively achieved, the actual bending radius of the fire-resistant low-voltage cable body is effectively recognized and analyzed according to the fire-resistant low-voltage cable body parameters and the actual laying parameters, self-adaptive regulation is conducted on the actual bending radius, and the self-adaptive fire-resistant low-voltage cable body bending regulation and control function is achieved. Therefore, the fire-resistant low-voltage cable body is effectively prevented from being damaged in the bending construction process, the application performance of the fire-resistant low-voltage cable body is ensured, the laying difficulty of the fire-resistant low-voltage cable body can be reduced and the laying efficiency can be improved through the automatic bending regulation and control effect, and the application benefit of the fire-resistant low-voltage cable body is further promoted.

The overlying oxygen isolation device comprises a storage yard, a plurality of double-flow nitrogen conveying hoses are arranged on the upper surface of the storage yard, the interval between every two adjacent double-flow nitrogen conveying hoses is 0.5-3 m, a plurality of through grooves are formed in the outer surfaces of the double-flow nitrogen conveying hoses, the through grooves are distributed in the axis direction of the double-flow nitrogen conveying hoses, and the through grooves are communicated with the double-flow nitrogen conveying hoses. And a plurality of lifting arc supports are fixedly mounted on the upper surface of the storage yard corresponding to the double-flow nitrogen conveying hose. By arranging a double-flow nitrogen conveying hose, a nitrogen purifying and drying device and a nitrogen detection box, high-concentration nitrogen sequentially passes through a mixed gas buffer box, a first connecting pipe, a gas inlet pipe and a stable ventilation pipe and enters the combustible rock soil through the double-flow nitrogen conveying hose, and meanwhile, the nitrogen purifying and drying device extracts gas in the combustible rock soil; nitrogen rapidly enters the flammable rock-soil, air in the flammable rock-soil is rapidly extruded out through the nitrogen, and therefore the flammable rock-soil and the air are isolated, and spontaneous combustion of the flammable rock-soil is prevented.

The invention relates to the technical field of rim manufacturing, in particular to a light-weight rim and an efficient production method thereof. The light-weight rim comprises an upper body, a lower body, a thickening body set and an external whole. The upper body, the lower body and the thickening body are connected into a combined body, and the combined body is integrally wrapped with the outer part; the upper body is formed by laying prepreg and performing compression molding; the thickened body group is subjected to injection molding through a polyurethane foam reaction; and the lower body and the outer whole body are formed in a mode of combining a three-dimensional weaving technology and an HP-RTM (High Pressure-Resin Transfer Molding) forming process. The light-weight wheel rim has the advantage that the light weight of the wheel rim is achieved through the carbon fibers and the rigid polyurethane foam. On the premise that the requirement for the size of the rim structure is not affected, the integrated structure is divided into an upper body, a lower body, a thickening body set and an external whole. The non-bearing position (the thickening body group position), namely the interlayer between the upper body and the outer whole body and the interlayer between the lower body and the outer whole body, are filled with rigid polyurethane foam.

The invention relates to the technical field of water-stable layer maintenance for road construction, and discloses a water-stable layer maintenance device and method for municipal road construction, a smoothing assembly is arranged below a fixing frame, and the smoothing assembly is used for smoothing a water-stable layer covering film; the discharging assembly is arranged at the rear end of the inner side of the fixing frame and used for pressing a film covering the water stabilizing layer. The pressing roller rolls on the ground, the film roll is pressed by the pressing roller to be laid on a water stabilizing layer of a road, meanwhile, the protrusions on the disc make contact with the ground, it can be guaranteed that the pressing roller rotates on the road surface, and the pause condition is prevented; a fixing shaft on a pressing roller drives a first bevel gear to rotate, the first bevel gear drives a second bevel gear to rotate, and the second bevel gear drives a stirring roller to rotate through a connecting shaft, so that loose soil is stirred downwards, the loose soil is evenly pressed above a film through a material guide hopper, and the two sides of the film are pressed; and meanwhile, the position of the film blown by wind deviates conveniently.

The invention discloses railway construction gravel laying and leveling equipment which comprises a loading box, a plurality of first discharging pipes, two second discharging pipes, two leveling mechanisms, two transmission assemblies, two driving mechanisms and two cleaning assemblies. The two second discharging pipes are arranged below the loading box in the length direction of the loading box, and the two leveling mechanisms are arranged on the corresponding sliding plates correspondingly. The two transmission assemblies are connected with the corresponding leveling mechanisms correspondingly. The driving mechanisms are arranged at the bottom of the loading box, and the two driving mechanisms are connected with the corresponding transmission assemblies correspondingly. The cleaning assembly is arranged at the tail of the loading box. Therefore, in the gravel laying process, gravel leveling operation is conducted synchronously, operation is easy and convenient, follow-up working steps are effectively reduced, and the overall gravel laying efficiency is remarkably improved. And meanwhile, broken stones on the two sides of the rail can be cleaned in time, and the safety and reliability of rail operation are further ensured.

The utility model relates to a cable laying auxiliary device, and relates to the technical field of cable laying. The conveying assembly is installed on the support, and the conveying assembly is used for conveying a cable; the limiting assembly is installed on the support, and the limiting assembly is used for limiting the position of the cable; and the two fixing assemblies are symmetrically installed on the support, the fixing assemblies are connected with the conveying assembly, and the fixing assemblies are used for fixing the support. The cable laying efficiency is improved, and the cable is prevented from being worn and damaged in the cable laying process.

The invention relates to the related technical field of rubber sealing gasket cutting, in particular to a cutting device for rubber sealing gasket preparation, which comprises a working table, supporting legs are arranged at four corners of the bottom of the working table, and first sliding chutes are symmetrically formed in two ends of the top surface of the working table along the length direction of the working table; a first baffle in sliding connection fit with the first sliding groove is arranged in the first sliding groove, and a driving assembly used for enabling the first baffle to slide is arranged in the first sliding groove; the rubber gasket cutting device has the beneficial effects that the pressing and cutting assembly is adopted for cutting a rubber gasket on the workbench, and the cutting knife is cleaned through the cleaning assembly linked with the pressing and cutting assembly synchronously, so that the cleanliness of the cutting knife is guaranteed, the situation that the knife face of the cutting knife is cleaned manually is avoided, and the working efficiency is improved. And the cleaning efficiency of the surface of the shear knife is improved.

The utility model relates to the technical field of heat conduction silicon wafer laying, and discloses a novel heat conduction silicon wafer laying device which comprises a supporting bottom plate, a material suction mechanism is arranged on the supporting bottom plate, the material suction mechanism comprises a supporting frame, a lead screw is rotatably connected to the interior of the supporting frame through a bearing, and a lead screw sliding block is arranged on the outer wall of the lead screw in a threaded and sleeved mode. According to the utility model, a workpiece on which a heat-conducting silicon wafer needs to be laid is placed on the material placing table, and the air box is pushed to descend through the inner rod of the hydraulic rod, so that the sucking disc enters the material storage box and is in contact with the heat-conducting silicon wafer, and air in the air box can be extracted through the air extracting pump, so that the air in the air box is in negative pressure; and then, the hydraulic rod drives the inner rod to reset, so that the purpose of convenient feeding is achieved.

The utility model discloses a material spreading device for a koji tray, relates to the technical field of brewing equipment, aims to solve the problems of high labor cost and low production efficiency, and adopts the technical scheme that the material spreading device comprises a fixed frame, a hopper is fixed above the fixed frame, and rotary material distributing mechanisms communicated with each other are fixed at the lower end of the hopper. According to the automatic material spreading device, the rotary material distributing mechanism is arranged below the hopper, the discharging rake in the hopper is used for rapidly and stably discharging a mold starter culture medium poured into the hopper, and meanwhile, the material loosening rake is used for scattering the culture medium above the material spreading conveying belt and spreading the culture medium into a plurality of koji trays above the koji tray conveying belt, so that automatic material spreading can be realized; according to the device, manual spreading is not needed, meanwhile, the labor cost can be saved, the spreading thickness is uniform, the looseness is good, in addition, the opening degree of the discharging position of the rotary distributing mechanism can be adjusted, the device can be suitable for koji plates with different widths, and the device has the advantages of being simple in structure and low in input cost.

The utility model discloses a bearing and shock resistance enhanced planting single body and a planting module, which comprise a planting single body plate body, a first planting surface layer and a second planting surface layer, and the first planting surface layer and the second planting surface layer are integrally formed; the first planting surface layer and the second planting surface layer are provided with continuous planting cavities, the centers of the planting cavities of the first planting surface layer and the second planting surface layer are arranged in a staggered mode, and the adjacent planting cavities of the first planting surface layer and the second planting surface layer are communicated with each other. The utility model further discloses a planting module at least made of the planting single plate, the planting single plate has remarkable technical effects in the aspects of bearing, planting, factory production, laying efficiency and the like, and an efficient and practical solution is provided for urban landscaping engineering.

The invention relates to the technical field of vegetation laying, and discloses an ecologically fragile area power transmission line tower footing bare soil vegetation laying device which comprises an electric vehicle, a water tank is installed at the top of the electric vehicle, a supporting frame is fixedly connected to the front end of the electric vehicle, and two air cylinders are fixedly connected to the top of the front end of the electric vehicle. One end of a piston rod of the air cylinder is fixed to the supporting frame, an adjustable clamping assembly is arranged at the bottom end of the supporting frame, two supporting plates are fixedly connected to the tail end of the electric vehicle, a rotating shaft is movably connected between the two supporting plates, and a pressing roller is fixedly connected to the outer side of the rotating shaft. The laying efficiency of the device can be improved and more time and labor can be saved through cooperative use of the sliding plate, the spray head and the pressing roller, meanwhile, a turf roll can make contact with the ground all the time in the laying process through the sliding rod, and the spraying effect of the spray head can be wider and more flexible through the power assembly.

The invention provides an electric power engineering electric power pipeline laying device, and relates to the field of electric power pipeline laying, the electric power engineering electric power pipeline laying device comprises a shell, the lower part of the front side of the shell is provided with a discharge port, the front side of the discharge port is provided with a conveying assembly, and the outer side of the shell is provided with a lifting assembly for driving the conveying assembly to lift; bidirectional bearing assemblies are evenly arranged on the lifting assembly, an angle adjusting assembly for adjusting the inclination angle of the shell is arranged on the rear side of the shell, and a moving assembly is arranged below the angle adjusting assembly. Through the arrangement of the conveying assembly and the lifting assembly, free switching of a feeding mode and a discharging mode can be achieved through cooperation of the conveying assembly and the lifting assembly, and the working efficiency is improved; a moving assembly and an angle adjusting assembly are arranged, so that the device can move along with the change of the laying position, and meanwhile, the stability of discharging is ensured; and the arranged two-way bearing assembly is suitable for conveying power pipelines of different sizes.

The utility model provides an aluminum foil veneer uniform thickness detection device, belongs to the technical field of aluminum foil thickness detection, and aims to solve the problem that the use effect of the detection device and the thickness detection efficiency of an aluminum foil veneer are affected as a detection table of the conventional detection device needs to be cleaned manually. Comprising a limiting detection table, a thickness detection needle, a first winding shaft, a second winding shaft, a position adjusting screw rod and a guide mounting frame, the limiting detection table is fixedly connected to the upper end face of the detection supporting table. The thickness detection needle is slidably connected to the front side of the operation mounting rack; the first winding shaft is rotationally connected to the middle of the operation mounting frame. The second winding shaft is rotationally connected to the lower portion of the supporting installation frame. The position adjusting lead screw is rotationally connected to the right side of the detection supporting table. The guide mounting frame is in threaded connection with the outer side of the position adjusting screw rod; according to the utility model, automatic cleaning of the detection platform is realized, and the use effect of the detection device and the thickness detection efficiency of the aluminum foil veneer are improved.

The invention discloses a leveling device for paving a pervious concrete pavement and a leveling method thereof, and relates to the technical field of pavement paving, the leveling device comprises a vehicle body, a box body is fixedly mounted at the top of the vehicle body, a charging box is fixedly mounted at the upper end of an inner cavity of the box body, and the bottom of the charging box is connected with a leveling assembly through a pipeline; and the leveling assembly is used for paving pervious concrete on the earth road. According to the leveling device for paving the pervious concrete pavement and the leveling method of the leveling device, the size of the discharging groove in the collecting hopper can be automatically adjusted through the arranged adjusting part according to the actual condition of the pavement, so that the discharging amount of concrete is accurately controlled, and the discharging groove is enlarged at the sunken part of the pavement so as to increase the discharging amount of the concrete and fill the sunken part; at the raised part of the road surface, the discharge chute is reduced to reduce the discharge amount of concrete and avoid excessive accumulation, and the intelligent adjustment ensures the flatness of concrete laying and improves the construction quality.

The utility model relates to the technical field of mechanical equipment, and provides a concrete paving distributor which comprises a working frame, two first fixing rods, two second fixing rods, a third fixing rod, a fourth fixing rod, a fifth fixing rod, a sixth fixing rod, a seventh fixing rod, a seventh fixing rod and a seventh fixing rod, the outer surface of the working frame is fixedly embedded with a stock bin, and the outer surfaces of the first fixing rods are movably sleeved with first incomplete gears. First connecting plates are fixedly connected to the outer surfaces of the two first incomplete gears, second incomplete gears are connected to the outer surfaces of the two first incomplete gears in a meshed mode, and second connecting plates are fixedly connected to the outer surfaces of the two second incomplete gears; arc-shaped plates are fixedly connected to the outer surfaces of the opposite sides of the two second connecting plates and the two first connecting plates correspondingly, so that the opening degree of the two arc-shaped plates can be changed through a hydraulic cylinder, then the concrete flow is changed, concrete piling is avoided, meanwhile, a push block can move up and down by rotating a handle, and the concrete flow can be changed. Therefore, the laying thickness of the concrete is changed, the labor intensity and the laying cost are reduced, and the laying efficiency is improved.

The utility model relates to the technical field of concrete maintenance, in particular to concrete water-saving moisturizing maintenance film construction equipment which comprises a fixing frame and a concrete block arranged below the fixing frame, the outer wall of one side of the fixing frame is fixedly connected with a connecting frame, one end of the connecting frame is fixedly connected with a rotating seat, and the other end of the connecting frame is fixedly connected with a water pump. Rotating grooves are formed in the outer walls of the two sides of the rotating base correspondingly, rotating columns are placed in the rotating grooves, one ends of the rotating columns are fixedly connected with winding rollers, film bodies are wound on the circumferential outer walls of the winding rollers, and a displacement assembly is arranged below the fixing frame; the displacement assembly comprises bent rods rotationally connected to the inner walls of the two sides of the fixing frame, and one end of each bent rod is rotationally connected with a first rolling wheel. According to the concrete curing film laying device, the process of laying a curing film can be achieved without cooperation of multiple persons, the laying efficiency of the concrete curing film is greatly improved, and the use requirements of people are met.

The utility model discloses a self-adhesive agricultural mulching film, which relates to the technical field of agricultural mulching films, and comprises a middle film, two sides of the middle film are fixedly connected with side films, the mulching film is in cohesive connection with ground soil through a cohesive layer at the bottom of a cohesive weed suppression layer, and the design of ensuring the cohesive gradient ensures that the cohesive of a central area is larger. After the sticky protrusions are combined with the soil, the laying efficiency of workers is improved, fixing through U-shaped nails is not needed, physical loss is reduced, the labor intensity of the workers is reduced, the sticky strength of the edges is small, film uncovering is facilitated, the film uncovering speed is increased, and the waste film recycling speed is increased. A plurality of groups of dividing holes are arranged in sequence to realize temperature adjustment and promote plant growth, the directional flow guide grooves adopt the design of V-shaped grooves, namely the design of inclination angles, so that the rainwater diversion efficiency is improved, drainage can be helped, and waterlogging damage to roots can be effectively prevented; and the problem that the mulching film is lifted due to overlarge wind force is effectively prevented.

The utility model belongs to the technical field of waterproof engineering, and particularly relates to a simple device for paving waterproof coiled materials in waterproof engineering, which comprises a main body rod, a handle ring arranged at the upper end of the main body rod, a connecting rod arranged at the lower end of the main body rod, a transverse frame rod arranged at the lower end of the connecting rod, and a vertical frame rod arranged on the lower side of one end of the transverse frame rod. A pressing roller is rotationally arranged on the side, close to the transverse frame rod, of the vertical frame rod, an inclined frame rod is arranged on one side of the connecting rod, and a connecting transverse rod is arranged at the end, away from the connecting rod, of the inclined frame rod. The angle of the connecting cross rod relative to the inclined frame rod is adjusted through the adjusting bolt, and the adjusting bolt is tightened, so that the pressing rod can incline backwards towards one side of a waterproof roll seam, and therefore, when the pressing rod is pushed to advance, the pressing rod can extrude the waterproof roll and expel air in the waterproof roll towards the seam, and then the pressing roller directly rolls the waterproof roll to be attached to a base layer. And the air pressing effect is good, the efficiency is higher, and the paving efficiency of the waterproof coiled material is improved.

The embodiment of the present invention discloses a continuous feather bag sand barrier laying machine, comprising a floating frame and laying components, wherein the laying components are mainly composed of a sand taking unit, a sand collecting unit, a bag making unit and a laying unit, wherein the sand collecting unit comprises a funnel sand collecting box arranged below the sand outlet of the sand taking unit, and an anti-blocking mechanism arranged inside the funnel sand collecting box, the sand taking unit lifts the sand in the sand taking shovel and transfers it to the funnel sand collecting box, the anti-blocking mechanism vibrates the sand at the lower end of the funnel sand collecting box, a sand conveying pipe is arranged at the lower end of the funnel sand collecting box, the sand in the funnel sand collecting box enters the sandbags of the bag making unit through the sand conveying pipe, the bag making unit sews the sandbags and then lays them on the sand ground through the laying unit; the present scheme adopts a hydraulic mechanism to drive the frame of the overall sand barrier laying machine to lift and lower, which can ensure that the sand taking shovel is close to the ground, is suitable for sand of different slopes and different particle sizes, prevents sand from being compacted, and ensures a balanced sand output.

The invention relates to a full-automatic marine cable laying device which comprises a cable linear conveyor, a cable traction machine, a cable turning device, a speed matcher and a smoothing device, and the cable linear conveyor is installed at the front end of a cable bracket and used for conveying cables. The cable traction machine is installed at the tail end of the cable bracket and used for dragging the cable. The cable turning device is installed at the cable turning position and used for assisting cable turning. The speed matcher is used for controlling the speed between the linear conveyor and the cable tractor. The smoothing device is installed on the cable bracket and used for reducing friction between the cable and the cable bracket in the cable conveying process. According to the full-automatic marine cable laying device, automatic conveying on various cable brackets can be achieved, including straight line, turning and combination of the straight line and the turning, manual operation is reduced, the operation risk is reduced, and the cable laying efficiency is improved; the cable laying device is light in structure, convenient to carry in a narrow ship body, and convenient to disassemble and assemble.

The invention provides an offshore photovoltaic cluster submarine cable laying method, and relates to the field of offshore photovoltaic technologies. The laying method comprises the following steps: transporting a submarine cable reel to a preset position on the sea surface; pulling one end of the submarine cable in the submarine cable reel from a preset position to a land area, and connecting the submarine cable with a sea-land conversion docking box on the land area; the submarine cable in the submarine cable reel is put down according to a preset route until the submarine cable extends to the offshore photovoltaic platform from the land area; excavating a seabed mud layer along the extension direction of the submarine cable to form a submarine cable laying groove, placing the submarine cable in the submarine cable laying groove, and backfilling the submarine cable laying groove; and fixing the submarine cable extending to the offshore photovoltaic platform on the offshore photovoltaic platform. According to the submarine cable laying method, the submarine cable laying efficiency and stability can be improved.

The utility model relates to the field of house building construction, in particular to a waterproof layer laying device for building construction. The utility model provides a waterproof layer laying device for building construction, which can be used for quickly and tidily cutting. A waterproof layer laying device for building construction comprises a movable base, a containing box, rotating shafts, a box cover, a servo motor, a heating assembly, a roller shaft and the like, the containing box is connected to the upper side of the left portion of the movable base, the servo motor is connected to the rear side of the middle of the containing box, and the rotating shafts are rotationally connected to the inner sides of the middles of the front portion and the rear portion of the containing box. An output shaft of the servo motor is connected with the rotating shaft on the rear side, a heating assembly is connected between the right side of the lower portion of the containing box and the movable base, and two roller shafts are rotationally connected to the lower portion of the right portion of the containing frame. According to the waterproof film laying device, the cutter is matched with the sliding rod, so that a waterproof film is rapidly cut off by the cutter, the waterproof film is further separated from the waterproof film roller, and the waterproof layer laying efficiency is improved.

The invention relates to the technical field of medical assistance, in particular to a surgical drape and a using method thereof.The surgical drape comprises a laying assembly used for laying the drape, a positioning assembly used for positioning the surgical position and a drainage assembly used for adsorbing hydrops; the laying assembly comprises a center rod and a controller. The center rod is sequentially sleeved with a main rotating plate and a plurality of auxiliary rotating plates from top to bottom. Guide rods are fixedly connected to the bottoms of the main rotating plate and the auxiliary rotating plate; the side wall of each auxiliary rotating plate is fixedly connected with a guide ring used for limiting the corresponding guide rod. Arc-shaped guide grooves are formed in the tops of the auxiliary rotating plates; the guide rods are in sliding fit with the guide grooves located in the same horizontal height with the guide rods. One side of the main rotating plate is detachably connected with the paving towel; a driving part is arranged on the main rotating plate, and the controller is used for controlling the driving part to operate so as to drive the main rotating plate to rotate around the center rod. The structure is complete, and the operation efficiency can be improved.

The utility model provides a cable laying auxiliary device for building mechanical and electrical installation, and relates to the technical field of cable laying auxiliary equipment for building mechanical and electrical installation. A cable laying auxiliary device for building mechanical and electrical installation comprises a fixing base and a cable cylinder, the top of the fixing base is fixedly connected with a supporting frame and a supporting rod piece, the top of the supporting frame is fixedly connected with a fixing rod, and the cable cylinder is arranged on the fixing rod in a sleeving mode. According to the device, an electric telescopic rod is started to push a movable plate to descend, a movable pressing plate is driven to descend under the connection action of an elastic telescopic rod, and a friction block at the bottom of the movable pressing plate is used for pressing and limiting the top of a cable barrel to rotate the cable barrel; and the possibility that the cable rebounds or the cable barrel rotates inertially to cause disorder and loosening of the cable on the cable barrel is prevented, and the movable pressing plate slides out of the top of the fixed rod by stretching the elastic telescopic rod, so that the used cable barrel on the fixed rod can be conveniently and quickly replaced, and the operation is simple and convenient.