544 results about "Contact line" patented technology

The invention discloses a catenary part detection system comprising a data acquisition module used for acquiring multi-modal data of catenary parts in real time; the data preprocessing module is used for preprocessing the collected multi-modal data; the topological structure construction module is used for constructing a topological structure of the catenary part and generating a topological feature vector; the fault identification and prediction module is used for carrying out fault identification and predicting the healthy evolution trend of the parts; the alarm and response module is used for generating alarm scores and triggering corresponding response strategies according to different alarm grades; the intelligent decision support module is used for generating intelligent maintenance suggestions, providing maintenance decision support and helping make repair and maintenance plans; and the remote monitoring and feedback module is used for monitoring the state of the overhead line system in real time and feeding back the state to the monitoring platform to support remote operation and updating. According to the invention, through dynamic topology modeling and deep learning technologies, accurate fault identification and health monitoring of contact network parts are realized.

The invention provides a display panel and a display device. The problem that in the prior art, the touch sensitivity of a touch display screen is low is solved. The display panel comprises: a substrate; the shielding layer is located on the substrate, and the shielding layer comprises at least one through hole; the orthographic projection of the shielding part on the substrate covers the orthographic projection of the through hole on the substrate; and at least one touch wire, wherein at least part of the touch wire is located at one side, far away from the shielding layer, of the shielding part.

The invention belongs to the field of vehicle pantograph overhauling, and discloses a pantograph head anomaly detection method. The method comprises the following steps: acquiring infrared data and arcing ultraviolet light characteristic quantity of an area between a carbon slide plate of a pantograph head and a contact line; determining whether arcing is generated based on the infrared data and the arcing ultraviolet light characteristic quantity; under the condition that arcing is generated, the duration and temperature of each arcing are determined; determining whether the arcing is an over-limit arcing based on at least one of the duration and the temperature; determining the number of times of over-limit arcing and the cumulative time in a predetermined time period; and when at least one of the number of times and the accumulated time reaches a set standard, triggering early warning. According to the pantograph head anomaly detection method, detection data of different dimensions such as temperature detection and ultraviolet light detection are fused, the detection accuracy is improved, meanwhile, a fine anomaly alarm scheme is formulated for the abnormal condition of the surface of the carbon contact strip caused by arcing, faults can be conveniently found and processed in time, and the operation safety of a vehicle is improved.

The invention discloses a self-adaptive grinding control method and system for a rigid contact network, and belongs to the technical field of maintenance of rail transit power supply equipment. The method comprises the following steps: acquiring pantograph-catenary action historical data of each position of the contact network along a busbar direction, and constructing a contact line damage index distribution curve; identifying a high damage interval based on the damage index, extracting roughness, ripple amplitude and oxidation thickness parameters, constructing a damage intensity vector, and calculating a damage grade score of each position by adopting a fuzzy comprehensive evaluation method; a preset polishing strategy library is matched according to the scoring result, a corresponding polishing wheel combination, the rotating speed and the contact pressure are determined, and a control parameter set is generated; the grinding device dynamically adjusts the working state according to the control parameters in the advancing process. The method achieves full-process self-adaptive closed-loop control of state recognition, strategy decision, execution control and quality feedback of contact line grinding operation.

The invention relates to a railway contact network contact line deicing method and device, the railway contact network contact line deicing device comprises an ice knocking unit installed on a first lifting unit, and the ice knocking unit is driven by an ice knocking driving unit to periodically knock the side face of a contact line; the device further comprises a first scraping plate, a blowing unit and a second scraping plate which are installed on the second lifting unit, the first scraping plate and the second scraping plate can abut against and support the bottom face contact face of the contact line, the blowing unit comprises a generating device and a blowing opening, and the blowing opening acts on the whole contact line. According to the deicing method and device provided by the invention, thick ice layers and thin ice residues can be sequentially removed step by step and layer by layer, residual ice is melted and blown, and residual ice residues or water stains are blown away. Ice covering the contact line, especially the bottom working face, can be thoroughly removed, the contact line and accessory equipment components cannot be damaged in the deicing process, and compared with manual deicing, the safety is high, and the working efficiency is high.

The invention provides a pantograph ice scraping device and method for real-time deicing and relates to the technical field of rail transit, and the method comprises the steps that the train speed, the gravity of a contact line under icing and the contact force of a current-receiving pantograph are collected in real time; inputting the train speed and the gravity into a preset pantograph-catenary dynamical model to calculate the optimal lifting force of the ice-scraping pantograph; based on the optimal lifting force of the ice scraping pantograph, the height of the ice scraping pantograph is controlled in real time for ice scraping; calculating a difference value between the contact force and a preset contact force, and updating the optimal lifting force of the current-collecting pantograph through the difference value; and the height of the current-receiving pantograph is controlled based on the optimal lifting force of the current-receiving pantograph, and optimal pantograph-catenary matching during ice scraping of the pantograph is achieved. According to the method, the problems that under the conditions that the icing speed of the overhead line system is high and the skylight time is short, the overhead line system cannot be conveniently and efficiently deiced, and good contact between pantograph catenaries cannot be guaranteed in an existing method are solved.

An intelligent contact line automatic milling, grinding and polishing device comprises a mounting frame and a plurality of balance wheel assemblies, positioning wheel assemblies, milling and grinding assemblies, polishing wheel assemblies and walking wheel assemblies which are mounted on the mounting frame, each milling and grinding assembly comprises a middle mounting plate and a milling and grinding device arranged above the middle mounting plate, a guide rail is arranged on the top face of a bottom plate, and the top face of the bottom plate is provided with a guide rail. The extending direction of the guide rail is perpendicular to the walking direction of the equipment, a guide groove is formed in the bottom of the middle mounting plate, and the guide groove is clamped on the guide rail and can move along the guide rail; the milling and grinding device comprises a milling and grinding base and a cutter arranged on the milling and grinding base, the cutter is arranged in a disc shape, and the cross section of the outer surface of the cutter is arranged in a concave arc shape. According to the repairing equipment, sharp corners and burrs on the two sides of an abraded contact net line can be machined into arc-shaped transition or filleted corners, fine adjustment and correction can be conducted on equipment inclining in the walking process, and the repairing quality is greatly improved; the practicability is high, and the popularization significance is high.

The utility model relates to the technical field of contact line detection, aims to solve the technical problems that in the existing contact line abrasion detection, manual operation has potential safety hazards, the high efficiency is low, and an automatic detection device cannot accurately recognize obstacles, and particularly relates to an obstacle-avoiding line climbing robot which comprises a contact line arranged at the top of a power generation device. The top of the contact line is provided with a plurality of guide wheel mechanisms used for moving on the contact line and avoiding obstacles, and the bottom of each guide wheel mechanism is provided with a base plate. The top of the base plate is provided with a plurality of detection parts used for detecting obstacles on the contact line, a power part used for clamping the contact line together with the guide wheel mechanism, and an abrasion detector used for detecting the abrasion loss of the contact line. The line-climbing robot can quickly complete line-climbing movement and obstacle avoidance work, the obstacle avoidance success rate of the line-climbing robot is increased, the working efficiency of robot detection is improved, and the robot is prevented from being damaged due to collision with the obstacle.

The invention discloses a contact line rocker arm type obstacle crossing robot which comprises a base mechanism, the two sides of the top face of the base mechanism are each provided with two guide clamping mechanisms arranged in a staggered mode through bolts, the middle of the base mechanism is provided with two driving mechanisms arranged in a staggered mode, and the base mechanism is further provided with two rotary lifting mechanisms. The two rotary lifting mechanisms and the two driving mechanisms are located on the same axis, and at least six sets of obstacle detection mechanisms which are oppositely arranged in pairs are installed on the base mechanism and used for enabling the robot to conduct self-adaptive line patrol and obstacle crossing and avoiding. By means of the modular design, continuous walking, automatic obstacle avoidance and abrasion detection are achieved in the using process, and the problems that an existing line patrol robot cannot continuously walk and automatically avoid obstacles and cannot continuously measure complete abrasion detection are solved.

The invention provides a catenary height adjustment method and system, and relates to the technical field of catenary height adjustment, and the method comprises the steps: obtaining the on-site measurement data of the height of a conductor in the span of a catenary; establishing a statics model of the elastic chain type suspension based on a parabola unit hypothesis; calculating the dropper force of each dropper according to the measurement data and the stress balance principle of the parabola unit; the vertical displacement of each node of the carrier cable is solved through a moment balance equation, and then the space coordinates of the carrier cable are obtained; calculating the theoretical length of each dropper according to the coordinates of the carrier cable, the design height of the contact line and the dropper force; and comparing the theoretical length with the dropper length in a standard state to generate a dropper length adjustment strategy. The method provided by the invention not only can realize measurement bottleneck breakthrough, but also can be suitable for complex suspension conditions, and in addition, can also ensure the performability of an adjustment strategy, output a quantified dropper shortening amount and guide accurate construction.

The invention discloses a contact network icing degree prediction method based on a growth coefficient, and the method comprises the steps: building a contact network icing experiment platform, changing the internal environment parameters of an experiment box, and measuring the change condition of the icing thickness of a contact line, thereby calculating the icing growth coefficient of the contact line with respect to the temperature, humidity, rainfall and wind speed changes; and further calculating a contact line icing degree prediction coefficient, and predicting an overhead line system icing risk according to the icing degree prediction coefficient. According to the method, the icing risk of the contact line is predicted by using the icing growth coefficient and the icing degree prediction coefficient, the icing risk of the contact line in a future period of time can be rapidly predicted according to the early-stage icing condition of the contact line in a short time, and a basis is provided for maintainers to take corresponding prevention and response measures in time.

The present invention relates to a contact bridge (1) for electrically coupling a first electrical conductor (2) with a second electrical conductor (3) of an electric drive system (4) for a motor vehicle (5), comprising an electrically conductive contact line (6) with a first contact section (7) for electrically contacting the first electrical conductor (2) and a second contact section (8) spaced apart from the first contact section (7) for electrically contacting the second electrical conductor (3) and a bridge housing (9) for holding the contact line (6), wherein the first contact section (7) is arranged on a first housing side (10) of the bridge housing (9) and the second contact section (8) is arranged on a second housing side (11) of the bridge housing (9).An electrical ring filter (12) is arranged in the bridge housing (9), which surrounds the contact line (6), the bridge housing (9) being designed to seal an oil chamber (13) of a unit housing (14) of an electric machine (15) of the electric drive system (4). The invention further relates to an electric drive system (4) for a motor vehicle (5) and a method for manufacturing a contact bridge (1).

The invention relates to the technical field of resistance spot welding, in particular to a cement telegraph pole reinforcement cage automatic binding and welding integrated device based on PLC control. The device comprises a working rotating disc rotationally connected with a mounting support, a machining channel allowing the reinforcement cage to horizontally penetrate through is formed in the center of the working rotating disc, a conductive wheel and a pressing assembly are arranged on the same side of the working rotating disc, and the conductive wheel, the pressing assembly and the reinforcement cage form a closed conductive loop. When the diameter of the produced reinforcement cage is small, the axial component force applied to the spiral bar by the cylindrical pressing wheel is guided by the inclined plane of the groove, and forced friction is reduced. When the diameter of a produced reinforcement cage is large and the reset slope of the circular truncated cone pressing wheel presses a spiral bar, the acting direction of force is more deviated to the radial direction, the axial component force is reduced, and therefore the axial friction force is reduced. When the reset slope on the periphery of the round table roll welding wheel is in contact with the spiral rib, an inclined contact line along the conical surface is formed.

The invention discloses an electrified railway contact line icing influence analysis method, which comprises the following steps of: obtaining key parameters such as a collision coefficient and a freezing coefficient of a water drop and a contact line in an icing calculation process by analyzing a line surrounding flow field of an overhead line system and researching heat balance of the surface of the contact line; and meanwhile, carrying out grid analysis on environmental parameters and icing boundaries so as to establish a time-varying meteorological numerical model of the contact line. By means of a contact line icing numerical model, the influence of the temperature (T), the liquid water content (LWC), the median volume diameter (MVD) and the wind speed (Vp) on contact line icing evolution is analyzed through a control variable method. Therefore, an important basis is provided for contact line icing prediction, ice prevention and ice removal in the future.

The invention relates to a load-bearing seatbelt retractor for a seat structure of a vehicle seat, the seatbelt retractor having two housing halves between which functional modules of the seatbelt retractor are disposed. One functional module is a belt reel having a winding axis. The two housing halves form two mutually parallel receptacles in the seatbelt retractor, which are oriented perpendicular to the winding axis. Two seat bars can be inserted into the receptacles. The two housing halves are in contact at least on two contact lines above and below the functional modules with respect to an insertion direction of the receptacles. The lower contact line splits open on both sides along the winding axis such that respective intermediate spaces open toward the receptacles are formed.

The water-resistant watch case includes at least one crystal mounted on an upper side of a middle, a fastening gasket positioned between an upper annular inner wall of the middle and an upper annular outer wall of the crystal. The crystal includes an annular peripheral surface below the upper annular outer wall inclined at an angle smaller than 90° in relation to an axis perpendicular to a plane of the watch case. The peripheral surface comes into contact against an annular inner surface of the middle inclined at an angle similar to the inclination of the annular peripheral surface and below the upper annular inner wall of the middle. The annular peripheral surface and / or the annular inner surface of the middle includes a domed contact portion for a contact on an annular contact line between the two surfaces.

The utility model discloses a detection device for a thermal protector, which comprises a box body, the box body comprises a notch arranged at the front side of the box body, a detection mechanism is arranged in the box body and is used for detecting the performance of the thermal protector, and the detection mechanism comprises a test assembly which is arranged in the box body and is used for detecting the thermal protector, the utility model relates to the technical field of thermal protector detection. According to the detection device for the thermal protector, the thermal protector can be detected through the arranged pressing plate and the arranged indicator lamp, when the detection device is used, the adjusting assembly drives the mounting plate to descend, at the moment, the pressing plate can make contact with the top face of the thermal protector, and meanwhile the pressing plate can abut against the pressing plate through the elastic force of the spring to extrude the thermal protector for pressure detection; when the contact line is in contact with the output point of the thermal protector, the direct current motor is turned off, the indicating lamp is turned on, then the heating assembly is turned on to heat the thermal protector for quality detection, compression resistance and temperature rise quality detection can be carried out at the same time, the detection efficiency is improved, and the practicability is good.

The invention relates to a light-weight type planetary line gear reducer which comprises a sun gear, a planetary gear, an inner gear ring and a planetary carrier which are all light-weight type line gears, the sun gear is located in the center of the inner gear ring, the sun gear and the planetary carrier are both coaxially and rotationally installed on the inner gear ring, and the planetary gear is installed on the planetary carrier in a heteroaxial rotation mode and can rotate around the axis of the planetary gear. And the tooth surface normal of any contact point of the planet gear is collinear with the tooth surface normal of the corresponding contact point of the sun gear and the inner gear ring at the same time, the contact line is a cylindrical spiral line, and the transmission ratio and the spiral radius are decoupled. Through the space curve meshing theory, the reduction ratio exceeding 30 can be achieved through a single stage, the stage number of the planetary reducer is reduced, the force flow transmission path is remarkably shortened, the overall weight is reduced, and meanwhile the bearing capacity and reliability are improved; the technical problems that in the prior art, when the large reduction ratio is achieved, the multi-stage series connection structure is complex, the weight is increased, the transmission and positioning precision is reduced, and the load dispersing capacity is limited are systematically solved.

The present application belongs to the technical field of gear machining, and discloses a forming milling machining method of spherical gear. The method uses a disc-shaped milling cutter to machine the spherical gear, and the steps are as follows: firstly, the parameters of the spherical gear are given, the tooth surface equation of the spherical gear is derived, and the tooth surface normal vector is calculated; secondly, the forming milling machining coordinate system of the spherical gear is established, and the homogeneous transformation matrix between the coordinate systems is derived, and then the contact line equation between the spherical gear and the disc-shaped milling cutter is derived; then, the cross-sectional profile of the disc-shaped milling cutter is calculated, and then the rotary surface of the disc-shaped milling cutter is obtained; finally, the spherical gear is formed and milled by using the calculated disc-shaped milling cutter, and after machining an annular gear slot, the disc-shaped milling cutter is rotated by a certain angle to continue machining the next gear slot. The forming milling machining method of the spherical gear proposed by the present application can realize the machining of the spherical gear without relying on special gear machining machine tools, and the disc-shaped milling cutter used has a simple structure and is easy to manufacture.

The utility model relates to an elastic automatic grinding and polishing device for a rigid contact net, which comprises a suspension mechanism, an elastic automatic grinding mechanism and a busbar, and one end of the busbar is provided with a contact line; the suspension mechanism is composed of two supports, and protective covers are installed on the sides, opposite to each other, of the two supports. The elastic automatic grinding mechanism comprises a spring adjusting structure and an electric grinding head structure; the spring adjusting structure comprises a mounting seat, a guide frame and a lower support, the mounting seat is mounted on the top of the protective cover, the side edge of the mounting seat is in butt joint with the support, the lower support is mounted on the inner edge of the bottom of the protective cover, the side edge of the lower support is in butt joint with the support, and the guide frame is in butt joint between the mounting seat and the lower support. And through the spring adjusting mechanism, the electric grinding head is always pressed on the surface of the contact line of the rigid contact net, and even if the grinding head is abraded, the position of the grinding head does not need to be manually adjusted by stopping the machine, so that the grinding efficiency is greatly improved.

The invention provides a pantograph-catenary detection calibration test device and a pantograph-catenary detection system, and belongs to the technical field of pantograph tests. The problems that existing testing equipment can only measure static parameters of a pantograph, only vertical vibration of a contact network is simulated in dynamic testing, the working state when a pull-out value exists cannot be considered at the same time, and the testing function is single are solved. The platform comprises an inner frame high-frequency excitation system, a supporting component comprises supporting frame stand columns, the supporting frame stand columns are installed on the two sides of the upper end of the platform, outer frame driving systems are installed on the inner sides of the supporting frame stand columns, a middle frame driving system is installed between the two outer frame driving systems, and the outer frame driving systems drive the middle frame driving system to move in the vertical direction. The high-frequency excitation cylinder is installed on the high-frequency excitation cylinder installation frame, the bottom of the high-frequency excitation cylinder is connected with the installation frame, the guide sleeve is installed below the installation frame, the buffer spring is connected to the outer side of the guide sleeve in a sleeving mode, and the bottom of the guide sleeve is connected with the contact line. The device is mainly used for pantograph catenary detection.

A spectacle lens design includes an aperture and at least two ring-shaped focusing structures surrounding the aperture. The aperture has a dioptric power, and the ring-shaped focusing structures surrounding the aperture provide an additional power relative to the dioptric power of the aperture. A ring-shaped diffuser is arranged between neighboring ring-shaped focusing structures. Neighboring ring-shaped focusing structures can adjoin each other with a ring-shaped contact line between them forming the ring-shaped diffuser. Neighboring ring-shaped focusing structures can also be arranged at a distance to each other and at least one of the ring-shaped focusing structures provides a ring shaped focal line. Neighboring ring-shaped focusing structures can also be arranged at a distance to each other and at least one of the ring-shaped focusing structures consists of lenslets that adjoin each other so as to form a ring of lenslets and provides a plurality of foci along a ring shaped line.

According to the rigid contact net contact line abrasion measuring method, the contact net contact line is detected in real time, the abrasion area of the contact line is synchronously calculated, the calculation efficiency is high, and remote checking can be achieved. The invention provides a rigid contact net contact line abrasion measuring method which comprises the following steps: S1, arranging a measuring device and setting measuring parameters, and scanning and acquiring a rigid contact net contact line contour; s2, analyzing the obtained contour of the contact line of the rigid contact network to obtain a contour of an unworn surface of the contact line and a contour of a worn surface of the contact line; s3, fitting the contour of the unworn surface of the contact line obtained in the step S2 to obtain a theoretical contour A [semicircle] B of the contact line, determining two end points C and D of the worn surface, and fitting to obtain a distance LCD between the two end points C and D of the worn surface; s4, calculating the length LOE of the distance between the circle center O of the arc and the LCD; s5, calculating the residual height L of the contact line; and S6, calculating the actual abrasion area S of the contact line of the rigid contact net.

The invention discloses a contact line polishing and maintaining trolley which can automatically grind and polish a contact line and improve the operation efficiency. The device comprises a rack, a walking mechanism, a grinding mechanism and a power supply control module, the walking mechanism comprises walking wheels arranged on the two sides of the upper end of the interior of the rack, and annular flanges are arranged on the peripheral faces of the walking wheels. During working, the ends of the walking wheels are located in the sliding grooves in the side portions of the busbar, and the annular flanges are matched with the side faces of the sliding grooves to form limiting. The polishing mechanism comprises at least one polishing wheel; the grinding wheel is in transmission connection with the motor and is driven by the motor to rotate to grind and polish the surface of the contact line; a brake structure is arranged above the walking wheels and used for adjusting the sliding speed of the polishing maintenance trolley on the busbar. The grinding wheel is connected with the pressure compensation structure and used for enabling the grinding wheel to continuously apply constant pressure to the contact line, then it is guaranteed that the contact force between the contact line and the grinding wheel is always within a reasonable range, and the polishing precision is improved.

The invention relates to the technical field of dropper calibration, in particular to an automatic positioning device of high-speed railway catenary dropper calibration equipment, which comprises an unmanned aerial vehicle, an adjusting module and a positioning module, the unmanned aerial vehicle can fly along a catenary, the adjusting module is arranged on the unmanned aerial vehicle, and the adjusting module comprises a connecting mechanism. An adjusting mechanism is arranged at the bottom of the connecting mechanism and comprises a fixing frame. According to the invention, the positioning module is arranged between the two positioning mechanisms at the top, so that the unmanned aerial vehicle can fly along the overhead line system, when the positioning module moves to an approximate calibration position, the positioning module can be clamped on the contact line, the contact line is calibrated through the positioning module, and when a train passes, the unmanned aerial vehicle can fly away from the contact line temporarily, so that the unmanned aerial vehicle can be calibrated. In this way, time does not need to be specially arranged for calibration, only the dropper can be installed in idle time, time does not need to be spent for calibration, and the speed of replacing and installing the dropper can be increased.

The utility model discloses a delivery device for vascular intervention consumables and a vascular intervention surgical robot, and the delivery device comprises a driving roller, a driven roller and a driving assembly, wherein the driving assembly is in transmission connection with the driving roller and used for driving the driving roller to rotate; the driving roller and the driven roller are oppositely arranged, the rim of the driving roller and the rim of the driven roller are both provided with grooves used for clamping the vascular intervention consumables, each groove at least comprises two oppositely distributed contact surfaces, and the contact surfaces are used for abutting against the surfaces of the vascular intervention consumables. The purpose that at least two contact lines are formed between the driving roller and the vascular intervention consumable and between the driven roller and the vascular intervention consumable after the driving roller and the driven roller clamp the vascular intervention consumable is achieved, and therefore when the vascular intervention consumable is clamped and driven, the contact friction force of the rollers to the vascular intervention consumable is increased; and the risk of slipping in the delivery process is reduced.

The invention discloses an inland waterway freight ship rail charging system, which comprises a charging rail and connecting module, a power supply module, a control module and a safety protection module, and is characterized in that overhead contact lines are mounted on two sides of a river bank, and ground wires arranged on the bank cooperatively work with the overhead contact lines; by means of a composite positioning system based on laser radar and visual identification, shore charging equipment is monitored in real time, the laser radar rapidly measures distance and angle information between a ship and the charging equipment, and when the ship sails close to a specific area in an inland waterway, the ship is in butt joint with the shore charging equipment to be charged in a slow sailing state; the key problem existing in an existing charging mode is solved, so that popularization and application of inland river new energy freight ships are greatly promoted, and a foundation is built for green development and transformation and upgrading in the field of inland river shipping.

The invention relates to the technical field of railway catenary geometric parameter detection, and discloses a method for high-precision continuous measurement of catenary geometric parameters, which is characterized in that the method is applied to a device for high-precision continuous measurement of catenary geometric parameters. The device is provided with a laser ranging module, a laser galvanometer module, a control module and a data processing module, the method comprises the step of emitting a ranging laser beam to a laser reflector, and according to the method and device for high-precision continuous measurement of the geometric parameters of the overhead line system, a deflection motor is controlled to drive the laser reflector to perform high-speed high-precision quantitative deflection; a distance measuring laser beam is emitted through a laser measuring module and irradiates a laser reflecting mirror to form a fan-shaped scanning area, laser distance values between a carrier cable, a dropper and a contact line and the laser distance measuring module are obtained at the same time in the area, and a guide height value and a pull-out value of the contact line are obtained after calculation. Therefore, the purpose of continuously measuring the geometric parameters of the contact line with high precision is achieved.

The utility model relates to the technical field of angle measuring tools, in particular to a railway overhead line system positioning angle measuring device which is composed of an electronic measuring instrument, a fixing body, a measuring piece, an adjusting knob and a fixing mechanism. An electronic measuring instrument is installed on one side of the fixing body, a measuring piece is rotationally connected to the side, away from the electronic measuring instrument, of the fixing body through an adjusting knob, the adjusting knob penetrates through the electronic measuring instrument and is located on the side, away from the fixing body, of the electronic measuring instrument, and a fixing mechanism is fixedly arranged at the lower end of the fixing body. According to the utility model, the whole measuring device is fixed on the contact line through the fixing mechanism, so that the measuring personnel can conveniently measure the deflection angle of the contact line or the wire clamp caused by abrasion, and the measuring mode greatly improves the convenience of the measuring process.

The invention provides a contact line icing operation evaluation method considering influence of multiple environmental factors. A contact line icing operation evaluation platform considering multiple environmental factors is established. The method comprises the following steps: sending a control signal to a corresponding device through an upper computer, recording environmental condition data in an experimental incubator to obtain a contact line icing thickness reference value calculation formula, further obtaining a contact line maximum icing thickness calculation formula through genetic algorithm optimization, and calculating a contact line icing operation state comprehensive evaluation factor lambda, and evaluating the icing operation state of the contact line. According to the method, the contact line icing thickness under different environmental conditions can be effectively calculated, the contact line operation state is evaluated according to the contact line icing operation state comprehensive evaluation factor lambda, and an important guarantee is provided for safe and stable operation of a railway contact line system.