Patents
Literature
Patsnap Eureka AI that helps you search prior art, draft patents, and assess FTO risks, powered by patent and scientific literature data.

17results about How to "Well laid" patented technology

Curing device for concrete crack prevention

ActiveCN224119952UReduce Shrinkage Problemsstay hydratedBuilding material handlingArchitectural engineeringPlastic film
The utility model provides a concrete crack prevention curing device which comprises a roller, the two ends of the roller are rotationally connected with fixing shafts, and the side walls of the fixing shafts are fixedly connected with supporting rods. The top end of the supporting rod is rotationally connected with a spraying pipe, and a plurality of atomizing nozzles are mounted on the side wall of the spraying pipe; the top end of the supporting rod is in threaded connection with the screw rod, and the supporting rod abuts against the side wall of the spraying pipe; fixing rods are symmetrically arranged on the side wall of the supporting rod, and the bottom ends of the fixing rods are connected with a plastic cloth layer. The curing device for concrete crack prevention has the advantages that the plastic film is convenient to lay, and the interior of the plastic film is kept moist.
Owner:ZHEJIANG YIJIAN CONSTR GROUP

Intelligent online monitoring equipment applied to cable joint

PendingCN121995272AAvoid strong electromagnetic interferenceMonitoring is highly targetedElectrical testingThermometers using physical/chemical changesElectromagnetic interferenceProcessing element
The invention discloses intelligent online monitoring equipment applied to a cable joint, which belongs to the technical field of cable detection and comprises a transmission optical fiber, a fiber bragg grating sensor, an optical fiber demodulator, a data processing unit and an intelligent early warning unit. The transmission optical fiber is used for monitoring signal transmission; the sensor is installed at a key temperature measurement part of a cable joint and is connected in series through optical fiber fusion to form a sensing network. The optical fiber demodulator realizes multi-joint positioning monitoring and wavelength offset acquisition through a wavelength division multiplexing or time division multiplexing technology; the data processing unit converts the wavelength offset into temperature variation; and the intelligent early warning unit adopts a convolutional neural network, a bidirectional long-short-term memory network and a self-attention mechanism mixed model to realize fault grading early warning and temperature rise trend advanced pre-judgment. The cable joint fault early warning system does not need field power supply, is high in anti-electromagnetic interference capability, can realize all-weather online monitoring and accurate positioning, and effectively improves the accuracy and timeliness of cable joint fault early warning.
Owner:HUIZHOU POWER SUPPLY BUREAU OF GUANGDONG POWER GRID CO LTD

Prestressed rail type reinforcing steel bar mounting trolley base for shield tunnel

The utility model relates to the technical field of trolley bases, and provides a shield tunnel prestress rail type reinforcing steel bar installation trolley base which comprises a steel top plate, vertical rods and a steel bracket, the bottom of the steel top plate is provided with a plurality of vertical rods, at least two horizontal rows and two longitudinal columns are arranged, and the lengths of the vertical rods in the same horizontal row are gradually increased to be matched with the radian of a tunnel. The bottom ends of the vertical rods are connected with the arc-shaped steel brackets to be attached to the bottom face of the tunnel, and a space for containing steel bars and steel strands is formed. A connecting hole is formed in the center of the steel top plate and connected with a cross arm bolt, and supporting and skid resistance between the two symmetrically-arranged bases are achieved. A positioning hole is formed in the center of the steel top plate and is in pressing connection with a trolley track through a pressing bolt for limiting and fixing. A positioning groove and a detachable welding positioning device are arranged at the bottom of the steel top plate, vertical rod welding positioning is rapidly completed through cooperation of a sliding positioning plate and the positioning groove, and dismounting and reuse are conducted after construction. Free movement of the trolley is achieved while steel bar installation precision is guaranteed, and the problems that a traditional base is hindered by steel bars, and rails are difficult to lay are solved.
Owner:SINOHYDRO BUREAU 14 CO LTD

A device for simplifying the counting of seed germination experiments

The utility model relates to the field of experimental equipment, and discloses a device for simplifying the counting of seed germination experiments, which comprises a culture dish. A top cover is arranged on the top of the culture dish, a counting paper is arranged on the upper part of the top cover, a culture rack is placed in the middle of the culture dish, a filter paper is arranged in the middle of the culture rack, a positioning grid is arranged on the upper surface of the filter paper, a plurality of labels are arranged on the upper surface of the filter paper, a first arrow is arranged at the front part of the top surface of the filter paper, a counting grid is arranged on the upper surface of the counting paper, a second arrow is arranged at the front side of the top surface of the counting paper, and the size diameter of the counting paper is the same as that of the filter paper. In the utility model, through the mutual cooperation among components such as the culture dish, the top cover, the filter paper and the counting paper, the staff only needs to count the newly germinated seeds every day, which can greatly reduce the working time and workload and is more practical.
Owner:GANSU AGRI UNIV

Composite film and use thereof

ActiveCN115610047BModerate stiffnessretain functionality
This invention proposes a composite film comprising a fiber layer and a first resin layer, with a stiffness of 2.0-9.9 cm, exhibiting moderate stiffness and ease of installation. By combining the composite film with the fiber layer, the functionality of the resin layer is retained while improving the overall usability of the composite film. This composite film can be used in fields such as heat transfer printing, particularly in vacuum forming, where the functional layer can be directly transferred to the surface of the molded product. This eliminates the high dust and VOC emissions associated with existing methods, achieving the beneficial effects of high-efficiency production, high dimensional accuracy, low resin surface pollution, and an environmentally friendly production process.
Owner:TORAY ADVANCED MATERIALS RES LAB CHINA

Compact machine head top wiring structure

The utility model provides a compact type machine head top wiring structure, which belongs to the technical field of compact type machine head wiring and comprises a machine head fixing frame, a plurality of groups of processing machine heads are arranged on the side wall of the machine head fixing frame, a wire arranging assembly is arranged on the top of the side wall of the machine head fixing frame, and the wire arranging assembly is used for penetrating and arranging wires of the processing machine heads. The wire arranging assembly comprises a wiring box, a top cover is installed on the top of the wiring box through bolts, multiple sets of installation plates are symmetrically installed in the wiring box, limiting strips are installed on the side walls of the installation plates, multiple sets of installation holes are formed in the surfaces of the installation plates, and sliding blocks are installed outside the limiting strips in a sliding and sleeving mode. A connecting rod is installed on the side wall of the sliding block through a bolt, and a connecting cylinder is installed outside the connecting rod in a sliding and sleeving mode. Through the arrangement of the wire arrangement assembly, laying and routing can be conducted on connecting wires of the machining machine head, smooth movement of the machining machine head is guaranteed, and meanwhile the service life of the connecting wires is prolonged.
Owner:YANCHENG ZHIMU TECHNOLOGY CO LTD

Cooling device for air duct cloth

ActiveCN224119281Uwell laidExtended delivery pathHeating/cooling textile fabricsMechanical engineeringPhysics
The utility model relates to the technical field of textile machinery, and discloses an air duct cloth cooling device which comprises a rack, two supporting plates are fixedly arranged at the top end of the rack, a plurality of first water-cooling rollers are rotatably arranged at the tops of the supporting plates, the rack is slidably connected with a lifting plate, a plurality of second water-cooling rollers are rotatably arranged at the bottom end of the lifting plate, and the water-cooling rollers are rotatably arranged at the bottom end of the lifting plate. A reinforcing assembly for reinforcing the lifting plate is arranged at the top end of the lifting plate, a winch is fixedly installed at the top end of the rack, and a steel wire rope is installed on a winding drum of the winch. By sliding and lifting the lifting plate, the second water-cooling roller can be heightened, the air duct cloth can be conveniently laid on the first water-cooling roller, by controlling the lifting plate to descend, the second water-cooling roller and the first water-cooling roller are staggered, the second water-cooling roller and the first water-cooling roller can guide the air duct cloth, the contact area between the air duct cloth and the first water-cooling roller and the contact area between the air duct cloth and the second water-cooling roller are increased, and the air duct cloth can be conveniently laid on the second water-cooling roller. And double-sided cooling can be carried out on the air duct cloth.
Owner:YANCHENG DALI DRYER CLOTH CO LTD

Municipal cable laying pay-off device

The utility model relates to the technical field of cable laying, and discloses a municipal cable laying pay-off device which comprises an arc-shaped plate, the lower surface of the arc-shaped plate is fixedly connected with a side plate, the outer wall of the side plate is fixedly connected with a motor, the output end of the motor is fixedly connected with a threaded rod, and the outer wall of the threaded rod is in threaded connection with an upper guide wheel. A limiting frame is fixedly connected to the interior of the upper guide wheel, a lower guide wheel is slidably connected to the outer wall of the limiting frame, a cross rod is slidably connected to the inner wall of the lower guide wheel, a limiting plate is fixedly connected to the bottom of the limiting frame, and a guide assembly is arranged in the side plate. The guide assembly comprises a sliding block, a spring is arranged below the sliding block, and one end of the spring is fixedly connected with a side plate. According to the utility model, a cable passes through the space between the two guide shafts and is conveyed to the guide shafts along with the cable, and the motor operates along with the guide shafts to drive the threaded rod to move, so that the upper guide wheel moves left and right on the threaded rod, and a carding effect is achieved in the cable paying-off process.
Owner:HENAN DIHE CONSTR ENG CO LTD

A wire laying device for electric power construction

The utility model relates to the technical field of electric power engineering construction discloses a kind of line laying device for electric power construction, including pedestal, the tensioning mechanism includes two support columns, the bottom of two The support column is fixedly connected at the top of pedestal, and the external left side of one of the support column is fixedly connected with connecting thin rod, and the external of another The support column is fixedly connected with support rod, the external sliding connection of rotating shaft has support sleeve, the external of support sleeve is fixedly connected with multiple connecting plates.In the utility model, since the right side of each connecting card plate is buckled outside the turntable, since connecting card plate and connecting plate are rotatably connected by multiple connecting blocks, connecting card plate makes centripetal and centrifugal motion on turntable in the movement process of support sleeve, complete the support barrel of adaptation different radius, so that the complete storage effect of cable of different length and width is realized, and the internal stress of cable is reduced, and the service life of cable is prolonged.
Owner:GUIZHOU JIANNENG POWER CONSTR CO LTD

Wetland soil remediation and protection device

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.
Owner:CHONGQING QIANZHOU ECOLOGICAL ENVIRONMENT ENG CO LTD

Dam with protection against soil erosion

ActiveCN224620532UEasy to pedal and walkEasy to use for walking
This utility model relates to the field of embankment protection technology and discloses an embankment with a soil erosion prevention structure, including a foundation mounting frame and a reinforcing frame. The reinforcing frame is snapped onto both sides of the foundation mounting frame, and a flexible anti-erosion net is laid at the bottom of the foundation mounting frame. This utility model, by laying evenly distributed reinforcing load-bearing plates on the inner side of the foundation mounting frame and laying tread-type floor tiles on the top, can be stably laid and fixed to the flexible anti-erosion net, providing strong soil erosion prevention capabilities and facilitating foot traffic. The reinforcing frame can clamp and fix the foundation mounting frame and the tread-type floor tiles on both sides, stably assembling the entire structure into a whole. Installation is convenient, giving the device the ability to be assembled and quickly and easily laid and assembled at the embankment. It is easy to install, has strong soil erosion prevention capabilities, and is easy to walk on.
Owner:SHANXI UNIV

Mulching film treatment mechanism for film mulching planting

A mulching film treatment mechanism for film mulching planting comprises a rear support. The mulching film cutting mechanism comprises a cutting frame, a knife rest arranged on the cutting frame and a blade arranged on the knife rest; a power mechanism; the mulching film clamping mechanism comprises a connecting rod assembly linked with the mulching film cutting mechanism and a clamping frame arranged on the connecting rod assembly; the mulching film cutting mechanism is hinged to the rear support, so that when the driving rod stretches out, the cutter rest is driven to turn over downwards to cut off a mulching film, and then the mulching film clamping mechanism and the mulching film cutting mechanism are driven to clamp the mulching film together. According to the mulching film treatment mechanism for mulching film planting, the cutting mechanism is driven by the power mechanism to turn over, meanwhile, the clamping frame is driven by the connecting rod assembly to be linked, cutting of a mulching film is completed, then the mulching film is clamped, and the mulching film treatment mechanism is conveniently moved to a new position for mulching film laying. The manual participation degree is reduced and the operation efficiency is improved.
Owner:FENGGONG INTELLIGENT AGRICULTURE (HUIZHOU) CO LTD

A split-type sliding device and its translation method for heavy-duty silos

ActiveCN117513810BWeight increaseThe force transmission characteristics of the cylinder wall are obviousClimate change adaptationBuilding repairsJackscrewVertical load
This invention relates to a split-type sliding device and its method for translating heavy-duty silos. A chute is laid on a lower track beam; a sliding box is installed on the chute and can slide along it; a vertical lifting jack is installed inside the sliding box; after pulling the sliding box to the lifting point below the silo wall, the vertical lifting jack and the vertical load control box are connected; the vertical load control box is activated to complete the silo lifting and replacement and remove temporary supports; a horizontal traction jack and the traction load control box are installed; the horizontal traction device is connected to the anchor block at the end of the sliding box via the connecting steel bar, and the connecting steel bar passes through the concrete reaction pier and is anchored to the horizontal traction jack; the traction load control box is activated to realize the silo translation. A limiting device is set between the sliding box and the chute to prevent large swaying of the heavy-duty silo during translation. Connecting bolt anchor blocks are set at both the front and rear of the sliding box to ensure that multiple sliding boxes can be connected in series on the same sliding track. This invention uses a single-point support slide box and lightweight matching slide rails, which facilitates on-site implementation in areas with limited installation space and features a low coefficient of friction, reducing translational traction force and improving translational construction efficiency.
Owner:JIANGSU JIANKE CIVIL ENG TECH CO LTD +1

Bend-resistant underwater cable

The utility model belongs to underwater cable technical field discloses a kind of bending-resistant underwater cables, including conductor, insulating layer, sheath layer and protective layer, conductor is formed by multiple copper wire strands multilayer complex twisting, and the complex twisting direction of each layer copper wire strand is same, copper wire strand is formed by multiple tinned copper wire bundle twisting, insulating layer is coated in the outer periphery of conductor, sheath layer is coated in the outer periphery of insulating layer, protective layer is coated in the outer periphery of sheath layer, the material of protective layer is polyether polyurethane elastomer, shore hardness is (A80-D70).The bending-resistant underwater cable provided by the utility model has pressure resistance and flexibility simultaneously, when bending laying, it can be quickly laid, reduce the degree of difficulty of laying, simultaneously, it can effectively reduce the degree of stress concentration at bending, the risk of fracture at bending is low, and it can stably transmit electric energy.
Owner:JIANGSUSNGSHANG CABLE GROUP +1

Coal mine mobile roadway cable installation and recovery device

The invention relates to the technical field of cable laying, and discloses a coal mine mobile roadway cable mounting and recycling device which comprises a mobile vehicle for roadway movement and a carriage for bearing, the carriage is mounted on one side of the mobile vehicle, and a supporting frame is fixedly connected to one side of the carriage. The side, away from the carriage, of the supporting frame is slidably connected with a lifting table, one end of a telescopic rod is fixedly connected to the lifting table, one end of the telescopic rod is fixedly connected with the lifting table, the other end of the telescopic rod is fixedly connected with a lifting plate, and the end, away from the telescopic rod, of the lifting plate is rotatably connected with a square shaft through a rotating shaft. A through hole is formed in the lifting table, and the square shaft penetrates through the through hole. According to the invention, the mobile vehicle moves in the roadway, the cable reel is arranged in the carriage, and the cable is wound on the cable reel, so that the purpose that the mobile vehicle drives the cable to a designated position is achieved, and the cable is driven to the designated position by using the support frame for supporting and the lifting platform for driving the cable to the designated position.
Owner:LIAONING TECHNICAL UNIVERSITY

An easily adjustable double-wall corrugated pipe

This utility model discloses an easily adjustable double-wall corrugated pipe. A connecting adjustment assembly is provided at the end of the corrugated pipe. A metal flexible tube is provided on one side of a multi-hole end ring. Connecting studs are uniformly welded to the outside of the connecting ring, and a connecting nut is threaded into the center of the connecting stud. A rotating ball is rotatably embedded inside the inner rotating cylinder. Two lead screws located on the same straight line are respectively threaded to both ends of the internally threaded pipe. A connecting protection assembly is installed on the outside. This utility model adjusts the distance between the lead screws at both ends of the internally threaded pipe, and continues to adjust the remaining internally threaded pipes. The adjustment range of each internally threaded pipe is different, thus causing the rotating ball at the end of the lead screw to rotate at different ranges within the inner rotating cylinder. The metal flexible tube bends, completing the operation of adjusting the angle of the double-wall corrugated pipe. This makes the laying of the double-wall corrugated pipe more convenient and prevents the problem of double-wall corrugated pipe breakage due to forced bending, greatly improving convenience.
Owner:BAODING XINLEI PLASTIC PROD MFG CO LTD