186results about How to "Easy to mark" patented technology

The invention relates to a fault processing method and device based on log analysis, equipment, a medium and a product. The method comprises the following steps: classifying and preprocessing logs and monitoring indexes to obtain different types of structured data; performing feature extraction and clustering on different types of structured data to obtain cue words describing log contents; according to the prompt word, the log content is marked and analyzed through a large model, and a log tag and an analysis result are obtained; constructing an operation and maintenance knowledge base based on the log tag and the analysis result; constructing a fault countermeasure knowledge base, and constructing a processing scheme agent based on the operation and maintenance knowledge base and the fault countermeasure knowledge base; the processing scheme intelligent agent automatically matches the fault countermeasures according to the log content, and triggers the execution of the corresponding fault countermeasures. Therefore, the logs can be automatically screened and labeled, the labor cost is reduced, the log content and the fault countermeasures are automatically matched through the processing scheme intelligent agent associated with the knowledge base, and the fault processing efficiency and accuracy are improved.

The invention discloses an adrenal vein blood sampling auxiliary system based on three-dimensional reconstruction. The system comprises an image acquisition module used for acquiring medical image data of an adrenal gland and a surrounding human organ tissue structure; the image preprocessing module carries out preprocessing operation on the acquired image data; the contour recognition module recognizes contours of adrenal gland, blood vessels and peripheral human organ tissue structures from the preprocessed image; the three-dimensional reconstruction module constructs a three-dimensional model of the adrenal vein and the peripheral human organ tissue structure according to the contour information; the model correction module is used for correcting and perfecting the three-dimensional model; the rendering module carries out rendering processing on the corrected three-dimensional model so as to enhance the visualization effect; and the positioning auxiliary module provides positioning auxiliary information for adrenal vein blood sampling operation. The system can effectively cope with the complex condition of a blood vessel loop, improves the three-dimensional reconstruction precision, provides accurate guidance for adrenal vein blood sampling, and assists in clinical decision making.

The invention relates to the technical field of wall body detection, and discloses a civil engineering wall body flatness detection device, which comprises a detection ruler body, a plurality of flatness detection mechanisms are arranged on the inner surface of the detection ruler body, and each of the plurality of flatness detection mechanisms comprises a detection groove. The interior of the detection groove is elastically connected with a detection seat through a first spring, the two ends of the first spring are fixedly arranged between the inner wall of the detection groove and the bottom wall of the detection seat respectively, one end of the detection seat is slidably connected with a first installation seat, and a first marking pen is installed on the first installation seat. A first driving assembly is arranged in the detection seat, and the first driving assembly is in transmission connection with the first mounting seat; according to the technical scheme, when the wall body is detected, a mark point can be made on the wall body, so that a worker can conveniently identify a part which is detected firstly and know a detection starting point more quickly, repeated detection is avoided, and the detection efficiency is improved.

The invention discloses a python language-based Excel data verification and import method, system and device and a medium, and the method comprises the following steps: S1, obtaining an Excel file, and obtaining a corresponding import parameter; s2, reading the data of the Excel file; and storing the data in a memory. S3, verifying the data of the Excel file; and verifying each row of data one by one by utilizing a rule engine technology, and recording a verification result in a log. And if the data verification is not passed, displaying corresponding error prompt information. And S4, processing a verification result, if verification is qualified, storing Excel file data into a specified database or data table, and in the storage process, enabling fields in the data table to correspond to columns in the Excel file by a system according to a field mapping relationship set by a user, so as to ensure the correctness and integrity of the data. If the verification result is not qualified, the data of the Excel file is wrongly recorded. The method has the advantage that the efficiency and the accuracy of Excel file data processing are improved.

The utility model discloses a modularized communication tester, which belongs to the technical field of communication testers, and comprises a protective shell, one side of the inner wall of the protective shell is fixedly connected with a processor, one side of the protective shell is provided with a display screen, one side of the protective shell is provided with a heat dissipation port, and the other side of the protective shell is provided with a ventilation port. The beneficial effects are that by arranging the handle, the telescopic rod, the supporting seat and the supporting column, placement and supporting can be conveniently carried out when the device is used at different positions, operation of a worker is facilitated, by arranging the wire arranging opening and the wire bunching frame, clamping and limiting can be conveniently carried out on redundant circuits, and distinguishing is convenient; tools can be conveniently placed for cooperation during use, ventilation and heat dissipation can be conveniently carried out during use by arranging a heat dissipation opening, a ventilation opening, a motor, fan blades and the like, and dehumidification and moisture prevention can be conveniently carried out in the protective shell by arranging a placing frame, a drying agent and an access hole.

The utility model belongs to the technical field of hydraulic engineering, and particularly relates to a water level detection device for hydraulic engineering, which comprises a grip, a bubble level arranged at the upper end of the grip, a connecting cylinder arranged on the side surface of the grip, a lantern ring arranged at one end, far away from the grip, of the connecting cylinder, a depth measuring rod slidably inserted into the inner side of the lantern ring, and a spring arranged on the inner side of the connecting cylinder. A pressing block is arranged on the side, away from the grip, of the spring and slidably connected with the connecting cylinder, and the connecting cylinder is provided with a sliding groove on the lower side of the spring. The handle is held by a hand, the depth measuring rod is inserted from the inner side of the lantern ring, the lower end of the depth measuring rod extends into the water bottom, the bubble level is made to be vertically upward, the bubble level is observed, and when bubbles in the bubble level are located at the center of the upper side, the bubble level is in a horizontal state, namely, the depth measuring rod is in a horizontal state. Therefore, the problems that the sounding rod is not perpendicular to the horizontal plane and water level measurement data have errors due to visual errors, misoperation and the like are effectively avoided.

The invention discloses a positive and negative collector plate appearance detection machine, and relates to the technical field of positive and negative collector plate appearance detection, the positive and negative collector plate appearance detection machine comprises a rack, one side of the rack is provided with a feeding mechanism; the detection mechanism is installed in the middle of the rack and used for appearance detection of the front face and the back face of the collector plate. The discharging mechanism is installed at the discharging end of the detection mechanism. The feeding mechanism and the discharging mechanism are used for feeding and discharging of the flow collecting disc on the detection mechanism correspondingly. And a servo motor is mounted on the marking mechanism. Through the arrangement mode that the feeding mechanism, the detection mechanism and the discharging mechanism are matched, the third CCD detection camera can detect the reverse side of the current collecting disc through the transparent rotating disc, the first CCD detection camera and the second CCD detection camera can detect the front side and the size of the current collecting disc, the appearance detection efficiency of the current collecting disc is improved, and the appearance of the current collecting disc is detected through the discharging mechanism. And defective products and qualified products of the collector plates can be conveniently discharged separately, so that the collector plate products are convenient to discharge.

The utility model relates to visual detection equipment, in particular to product appearance visual detection equipment, which belongs to the technical field of visual detection and comprises a detection workbench, a mounting plate is arranged on the upper surface of one side of the detection workbench, a moving groove is formed in the surface of one side of the mounting plate, and a movable visual detection component is arranged in the moving groove. The visual detection assembly comprises a detection camera and a sliding supporting frame, a defect reminding assembly is arranged on the upper surface of the sliding supporting frame, rotary telescopic sleeves are evenly embedded in the upper surface of the detection workbench, to-be-detected products are arranged in the rotary telescopic sleeves, and driving assemblies used for rotating and lifting the to-be-detected products are arranged in the rotary telescopic sleeves. According to the device, comprehensive appearance detection can be carried out on a plurality of to-be-detected products, the detection accuracy is improved, meanwhile, when the appearance of the products is found to be unqualified, a worker can be reminded through the defect reminding assembly, and then the worker can conveniently mark the defective products.

The utility model belongs to the technical field of storage devices, and provides an intensive care unit pipeline storage device which comprises a storage barrel, a clamping assembly and a fixing assembly. A plurality of groups of storage cylinders are arranged; the clamping assemblies are arranged on the storage barrels, and the multiple sets of storage barrels are detachably connected through the clamping assemblies; the fixing assembly is arranged on the storage cylinder, the fixing assembly comprises two sets of clamping rods and a driving part, a storage hole is formed in the top end of the storage cylinder, the two sets of clamping rods can be arranged in the storage hole in a sliding mode in the radial direction of the storage hole, and the driving part is rotatably arranged on the storage cylinder; and the two groups of clamping rods can be driven to move close to or far away from each other by rotating the driving piece. The multiple sets of storage cylinders are detachably connected, adjustment can be conveniently conducted according to the number of pipelines needing to be stored, the situation that the device occupies redundant space is avoided, the two sets of clamping rods move close to each other by rotating the driving piece to clamp and fix the pipelines, the pipelines in the storage holes are prevented from sliding out, and use is convenient.

The utility model discloses an air duct device of a frequency converter, which belongs to the technical field of frequency converters, and comprises a fixed frame, one side of the fixed frame is fixedly connected with an air funnel, the other side of the air funnel is clamped with a telescopic pipe through a locking frame, one side of the fixed frame is fixedly connected with a supporting plate, and the supporting plate is fixedly connected with the air funnel. And one side of the supporting plate is fixedly connected with a motor. The device has the beneficial effects that by arranging the locking frame and the telescopic pipe, the air duct can be conveniently installed according to the use requirements, the telescopic pipe and the ventilation barrel can be conveniently cleaned, by arranging the installation frame, the fixing frame can be conveniently installed and fixed, by arranging the heat insulation pad, heat insulation can be conveniently conducted during airflow discharging, and by arranging the motor, the rotating shaft and the fan blades, the heat insulation effect is good. According to the air exhaust device, auxiliary air exhaust can be conveniently carried out during use, exhausted air can be conveniently detected by arranging an air detector, and the air can be conveniently filtered and replaced by arranging a fixing frame, a filtering plate and fixing bolts.

The invention discloses ultralow-temperature preservation liquid for Sinilabeo decorus tungting sperms as well as a preparation method, a preservation method and application of the ultralow-temperature preservation liquid and belongs to the technical field of artificial breeding of Sinilabeo decorus tungting. The ultralow-temperature preservation liquid comprises a freezing diluent, an antifreeze agent glycol and an antioxidant, the antifreeze agent accounts for 8% of the volume of the ultralow-temperature preservation liquid, the antioxidant comprises reduced glutathione and alpha-lipoic acid, and the balance is the freezing diluent. According to the present invention, the formula compounding is different from the simple superposition of the traditional formula, the ratio and the combination mode of the components are precisely optimized, the combination has the synergistic effect, the resuscitation sperm activity is improved, the good oxidation resistance is provided, and the effect far better than the effect of other schemes is achieved. The method has remarkable advantages in efficient preservation of the sinilabeo decorus decorus decorus decorus decorus decorus decorus decorus decorus decorus decorus decorus decorus decorus decorus decorus decorus decorus decorus decorus decorus

The utility model relates to the technical field of municipal administration, in particular to municipal road plane detection equipment which comprises a support, one side of one end of the bottom of the support is fixedly connected with the top of a support, the inner wall of one end of the bottom of the support is rotatably connected with one side of a moving wheel through a rotating rod, and the inner wall of the middle of the support is slidably connected with the outer surface of the middle of a detection rod. One end of the detection rod is rotatably connected with the middle inner wall of the detection wheel through a U-shaped frame. According to the utility model, the first storage box, the first discharge pipe, the second storage box, the second discharge pipe and other parts are arranged, and the detection rod part and the detection wheel part are matched with each other, so that the detection rod part moves up and down to respectively control the discharge of the first storage box and the second storage box; and the road position where the problem occurs can be marked, so that the device can conveniently mark the road position where the problem occurs, and the effect that the maintenance worker can quickly find the position where the problem occurs on the road is achieved.

The application relates to the field of crack detection, and discloses a tunnel lining surface crack detection device and a method thereof, which comprises a moving base, end frames are symmetrically arranged at the top end of the moving base, half-ring type guide rods are symmetrically arranged between the two end frames, a crack detection assembly is arranged on the half-ring type guide rods, a hook is arranged on the moving base, the crack detection assembly comprises a sliding base, two guide grooves are symmetrically arranged on the sliding base, the two half-ring type guide rods are respectively arranged on the inner sides of the two guide grooves, a sliding driving assembly is connected to the bottom end of the sliding base, a circular table is fixedly arranged at the top end of the sliding base, an annular groove is arranged in the circumferential direction of the circular table, and a visual detection piece is arranged at the top end of the circular table. The visual detection piece is driven to move along the tunnel width direction by the sliding base moving along the half-ring type guide rods, the tunnel lining is visually detected, the crack position is marked by a crack marking module, and subsequent workers are facilitated to position.

The invention discloses a geological data information arrangement device, and relates to the technical field of data information arrangement, the geological data information arrangement device comprises a cabinet body, the side part of the cabinet body is fixedly provided with a placing groove and a moving groove, and the opposite inner walls of the placing groove are provided with placing blocks. According to the invention, when materials at a high position are taken or stored, a lead screw is rotated through a motor, the lead screw rotates to enable a movable box to move, the movable box moves to enable a movable block to move, when the movable block moves out of a placing groove, the movable box continues to move to enable a winding roller to rotate, and the winding roller rotates to cancel winding of a steel wire rope to loosen the steel wire rope; when a steel wire rope is loosened, an L-shaped supporting block moves downwards, the L-shaped supporting block moves downwards to enable a moving block to move downwards under the action of a lifting rod and a lifting block, and then a placing drawer on the moving block moves to the lower portion, so that data in the placing drawer located at the high position can be conveniently taken or stored, climbing with the help of tools is not needed, and use is convenient.

The utility model relates to an unmanned plane technical field especially, and more particularly to a road cleanliness inspection unmanned plane. The utility model provides a road cleanliness inspection unmanned plane which can conveniently mark the area containing oil stains or water accumulation area, is convenient for subsequent personnel to clean up, and is convenient for early warning of the water accumulation situation of pedestrians. A road cleanliness inspection unmanned plane comprises an unmanned plane, a fixing cylinder and a storage box, etc., the left and right two parts of the unmanned plane are connected with two fixing cylinders, and the storage box is connected between the fixing cylinders. When the detection camera detects that there are garbage, oil stains and water accumulation on the road, the small liquid pump is started, the bright paint in the storage box is sprayed to the ground through the liquid spraying pipe and the spray head to mark, so that the effect that the area containing oil stains or water accumulation area can be conveniently marked, subsequent personnel can clean up, and pedestrians can be early warned of the water accumulation situation.

The present invention discloses a joint calibration method for a single-line laser radar and a camera, and belongs to the technical field of multi-sensor calibration. The calibration method comprises the following steps: (1) adjusting the position and height of a calibration plate, placing a calibration plate with a hollow area and a non-hollow area in the field of view of a camera and a laser radar; (2) the laser radar scans the calibration plate, takes a photo with a camera, and obtains a series of point cloud information by scanning. The point cloud at the intersection of the scanning line and the boundary line of the non-hollow and hollow areas of the calibration plate is used as a feature point, and the point cloud close to the feature point is selected from a plurality of point clouds. After optimizing the point cloud by the LM algorithm, a straight line fitting is performed; (3) the coordinates in the calibration plate coordinate system are calculated by the straight line fitting equation and the boundary line equation; (4) the coordinates of the pixel points corresponding to the laser radar feature points are found in the camera image; (5) the pose matrix between the laser radar and the camera is solved by parameter fitting.

The infrared cross laser locator comprises a scaffold sliding rail platform, a clamping plate, a support base, an adjusting supporting plate, a fixing base and an infrared cross laser locator body, a mounting plate is installed on a sliding rail of the scaffold sliding rail platform in a sliding mode, and a spring column is installed on the mounting plate; a clamping plate is installed on the connecting plate, a handle is installed on the clamping plate, a rotating plate is rotatably installed on the support base, a lower supporting rod is installed on the top face of the rotating plate and rotatably connected with adjusting supporting plates, an upper supporting rod is rotatably installed between the two adjusting supporting plates, and a fixing plate is installed on the fixing base. And an infrared cross laser locator main body is clamped and fixed between the two groups of fixing plates. By means of the scaffold positioning device, a worker can mark the scaffold clearly and accurately when carrying out related work of the scaffold conveniently, the positioning device and a support are installed more easily and conveniently, multi-direction angle adjustment is achieved, and the practicability of the positioning device is improved.

The invention discloses a rolling buried pipeline rapid positioning and surveying device, which relates to the field of municipal maintenance technology. This scheme aims to quickly and accurately locate the buried pipeline through the specific sound wave intensity recognition technology on the ground. During operation, the user swings the support rod by holding the handle, and the bottom end of the support rod drives the sealing chamber to swing, thereby guiding the ground wheel to roll and drive the connecting tube to rotate, so that the pickup moves along a circular trajectory. The pickup is compressed and contracted when it contacts the lowest point of the ground, and keeps in contact with the ground to collect sound. The design of the device prevents the pickup from being dragged when sampling evenly on the ground, thereby improving the detection accuracy. In addition, the device can also leave marks on the ground to quickly identify the detection area, simplifying the recognition and recording of the pipeline position. Generally speaking, compared with the traditional pipeline positioning technology, this scheme has the advantages of simple operation, high detection efficiency, high accuracy and low cost, and is suitable for pipeline survey work in various complex geological environments.

Provided in the present invention are a class of compounds as represented by formula (I), or a prodrug, a tautomer, a stereoisomer, a solvate, and an isotopic derivative thereof, or a pharmaceutically acceptable salt thereof. The compound has an SHP2 kinase inhibitory effect and can be used for treating and / or preventing diseases, disorders, and conditions mediated by SHP2 activity, such as tumors, cancers, cancer metastasis, cardiovascular diseases, immune disorders, visual disorders, etc.

The utility model discloses a marking device for sow oestrus detection, which comprises a marking seat, a processing table arranged on one side of the marking seat, a lead screw arranged inside the marking seat, a supporting rod arranged inside the marking seat, an L-shaped plate sleeved outside the lead screw and the supporting rod, a liquid guide pipe arranged at the bottom of the L-shaped plate, a marking pen arranged at one end of the liquid guide pipe, and a water outlet arranged at the other end of the liquid guide pipe. An in-out plate is rotatably mounted on one side of the treatment table, a vertical plate is fixedly mounted on one side of the top end of the treatment table, the in-out plate, a fence, a fixing rod, a moving block, an elastic belt and clamping claws are arranged, the multiple clamping claws can clamp the neck of an oestrus sow, the back of the sow can be marked through a marking pen, the in-out plate is rotated, and therefore the sow can be conveniently taken out. According to the sow marking device, the sow can conveniently enter the area wrapped by the treatment table and the vertical plate from the surface of the fence, the multiple clamping claws bind the sow, multiple oestrus sows can be marked at the same time, and the efficiency of the marking device is improved.

The present invention discloses a nucleic acid aptamer of uridine diphosphate and a screening method and application thereof, wherein the sequence of the nucleic acid aptamer is shown in SEQ ID NO: 1; the screening method is CIVT-SELEX, i.e., the Capture-SELEX method is first used for primary screening to obtain a single-stranded nucleic acid that can bind to a target ligand, and then the in vitro transcription process is used for screening again, thereby obtaining a nucleic acid aptamer that undergoes a significant conformational change after binding to the target ligand. The present invention successfully obtains a nucleic acid aptamer sequence that can detect uridine diphosphate in an enzymatic reaction solution in a single-stranded linear form, and can respond to different concentrations of uridine diphosphate during in vitro transcription to activate and regulate downstream gene transcription; CIVT-SELEX is expected to be applied to the screening of aptamer sequences of other target ligands, and can be used for detection and as a gene element in a gene circuit for regulation.

The invention relates to the technical field of biological pharmacy, in particular to a human serum albumin targeted nano antibody and application thereof. An alpaca is immunized by using an HSA protein, cDNA is obtained through reverse transcription of total RNA of peripheral blood lymphocytes to serve as a template to amplify a nano antibody sequence, finally, five nano antibodies are obtained through separation and are named as antiHSA-A6, antiHSA-A7, antiHSA-B1, antiHSA-E8 and antiHSA-H7 respectively, the five nano antibodies have different antigen complementarity determining regions, and an ELISA result shows that the five nano antibodies have different antigen complementarity determining regions. And the five nano antibodies all show high-affinity binding with human HSA (Human Serum Albumin) protein. The nano antibody provided by the invention is expected to be used for preparing vaccines for treating and / or diagnosing diseases related to HSA, or for prolonging the half-life period of macromolecular drugs in vivo, and has important significance.

The utility model discloses a double-break disconnecting switch, which belongs to the technical field of disconnecting switches and comprises a protective shell, one side of the inner wall of the protective shell is fixedly connected with a mounting frame, a processing end is clamped on the mounting frame, two sides of the processing end are provided with first static contacts, and the first static contacts are connected with the mounting frame. Second static contacts are arranged on the two sides of the inner wall of the protective shell, and the two first static contacts are matched with the two second static contacts respectively. The beneficial effects are that through the arrangement of the first static contact, the electric push rod, the insulation clamping sleeve and the conductive rod, the conductive rod can be conveniently cooperated for operation and use, through the arrangement of the fixing frame and the drying agent, the conductive rod can be conveniently protected, and problems in use caused by moisture in the protective shell can be avoided; and ventilation and heat dissipation are facilitated during use, dust is prevented from being accumulated and entering, and a warning lamp is arranged, so that a worker is conveniently warned and reminded during power failure.

The invention discloses a nucleic acid aptamer AS2-3 of a human thrombin protein and a screening method and application thereof. The sequence of the nucleic acid aptamer AS2-3 is shown in SEQ ID NO:1. The screening method comprises the following steps: on the basis of a human thrombin protein aptamer obtained by previous screening, retaining its specific sequence for library construction, performing primary screening by using a Capture-SELEX method, and then performing screening again by using a transcription process of a cell-free transcription and translation system. The invention successfully obtains a nucleic acid aptamer sequence AS2-3 which can not only specifically bind to the human thrombin protein, but also can respond to 0.5 μM human thrombin protein in a cell-free transcription process in the form of a linear or plasmid, and inhibit and regulate the transcription of a downstream gene. By combining the two screening methods, it is expected that the nucleic acid aptamer AS2-3 can be applied to the screening of aptamer sequences of other target ligands, thereby having the opportunity to replace transcription regulatory factors as gene elements and be applied to biological circuits for regulation.

The utility model relates to the field of measuring devices, in particular to a positioning displacement measuring device for surveying, and aims to solve the technical problems that measuring points cannot be marked by adopting a GPS (Global Positioning System) to measure displacement of surveying equipment and structures, and other tools are inconvenient to use; according to the technical scheme, the positioning displacement measuring device for surveying comprises a GPS mobile station, an upper rod, an assembly connecting piece, a marking pen, a middle rod, a reference pile, a partition plate, a measuring rod extension assembly and a conical head. According to the utility model, the vertical rod of the original GPS equipment is improved and designed, the diameter of the vertical rod is enlarged, so that the vertical rod is convenient to grasp, the vertical rod is internally provided with a hollow structure, the overall weight is lighter, the vertical rod is convenient to move and use, and the hollow structure is used as a storage cavity of the marking pen and the reference pile, so that corresponding tools can be carried along with a GPS mobile station; when displacement measurement is carried out on surveying facilities, measuring points can be marked conveniently, and the problems that the measuring points cannot be marked when GPS is used for measuring the displacement of surveying equipment and structures, and other tools are inconvenient to use are solved.

The utility model discloses a sealing protection device for animal decoction pieces and medicinal materials, which is characterized in that support plates are fixedly mounted in the middle and at the bottom of the inside of a storage box, moving plates are movably mounted at the top ends of the two support plates, sealing boxes are fixedly mounted at the top ends of the two moving plates, and medicine boxes are movably embedded in the sealing boxes; a guide sleeve is fixedly installed in the middle of the top end of the sealing box, an adjusting screw rod is installed in the middle of the guide sleeve, the top end of the adjusting screw rod is fixedly connected with an operation round block, and the bottom end of the adjusting screw rod is fixedly connected with a connecting disc. The stability of placing medicinal materials in the medicine box is improved, the situation that the medicinal materials shake in the medicine box and are damaged in the transporting and moving process is avoided, meanwhile, the soft hair cushion is soft and small in pressing strength and prevents the medicinal materials from being directly pressed and smashed, the moving plate can slide along the supporting plate, and great convenience is provided for taking out the medicinal materials.

The invention relates to the technical field of glass fiber yarn winding, and discloses a glass fiber yarn winding device which comprises a bottom plate and further comprises two supporting plates which are symmetrically, vertically and fixedly installed at the top of the bottom plate. The winding roller is rotationally mounted between the two supporting plates; the limiting assembly is arranged at the top of the bottom plate, and the limiting assembly is used for limiting the glass fiber yarn; the detection line drawing assembly is arranged at the top of the bottom plate, and the detection line drawing assembly is used for detecting the glass fiber yarn and drawing a line on a damaged part; and the driving assembly is arranged at the top of the bottom plate, and the driving assembly is used for driving the detection line drawing assembly and the winding roller to work. According to the glass fiber yarn winding device, the damaged part can be detected when glass fiber yarn is wound, driving of the winding roller can be automatically relieved when the damaged part of the glass fiber yarn is detected, subsequent marking of the glass fiber yarn is facilitated, and then the using effect of the device is improved.

The utility model relates to the field of construction surveying and mapping devices, in particular to an urban and rural planning construction surveying and mapping device. The technical problems that in the prior art, when a surveying and mapping device is used, a measurement area is usually not convenient to mark rapidly, and the surveying and mapping device is not convenient to assemble and use rapidly on a surveying and mapping site are solved. According to the technical scheme, the urban and rural planning construction surveying and mapping device comprises a surveying and mapping assembly; the device further comprises a first marking assembly, a moving assembly, a guiding assembly, an auxiliary assembly and a second marking assembly. The distance between the front end of the movable plate and the front end of the measuring plate can be rapidly measured by starting the laser range finder, the marking position of the second marking assembly can be conveniently and rapidly determined, a second drill rod penetrates through a second movable frame to be placed in soil, and then a cross plate is placed on the inner wall of a second groove body. And the central point of the cross plate is an accurate point position for measuring the distance, so that the construction at the point position is facilitated, and the technical problem is solved.

The utility model relates to the technical field of notebook computers, and discloses a young notebook computer with a clamping groove placing structure, which comprises a notebook computer, a storage mechanism is arranged on one side of the notebook computer, the storage mechanism comprises a movable groove a, the movable groove a is arranged on one side of the notebook computer, and a pen barrel is arranged on one side of the notebook computer. According to the youth notebook with the clamping groove containing structure, by arranging the storage mechanism, in the working and using process of the youth notebook with the clamping groove containing structure, a movable rod a can be firstly plugged into the inner side of a movable groove a, a spring a is utilized to drive a limiting rod a to enter the inner side of a limiting groove a, and under the action of the limiting groove a and the limiting rod a, the youth notebook with the clamping groove containing structure can be stored; the pen barrel can be conveniently installed, then pens are placed in the pen barrel, the pens can be stored, and the situation that when a recording pen is fixed to the surface of a notebook computer through a pen cap, the recording pen is prone to loosening, then the recording pen is prone to falling off and losing, and then the recording pen needs to be rearranged for recording work is avoided.