81 results about "Rail profile" patented technology

The utility model discloses a steel rail profile measuring instrument with a composite sealing structure, which is characterized in that seven sealing structures are designed on an existing steel rail profile measuring instrument, an O-shaped sealing ring is arranged between a bottom cover and a main shell, and a key board made of soft materials is fixedly attached to the main shell. An O-shaped sealing ring is installed between the charging communication interface and the main shell, an O-shaped sealing structure is installed between the big arm shell and the main shell, and an O-shaped sealing structure and an oil seal sealing structure between the big arm rotating shaft and the output end of the small arm rotating shaft are installed between the small arm shell and the big arm. By means of the design of the multiple sealing structures, the steel rail profile measuring instrument effectively prevents pollutants such as dust and water from entering the main shell, and it is guaranteed that internal precision elements are not damaged; the device is suitable for being used in a complex environment, and the maintenance frequency and cost of the steel rail profile measuring instrument are effectively reduced.

1. Name of the designed product: profile (electric partition rail). 2. Use of the designed product: for electric partition rail profile. 3. Design points of the designed product: in shape. 4. Picture or photo best indicating the design points: perspective view 1. 5. Other circumstances or explanations: the designed product is a product of indefinite length.

1. The name of the design product: curtain rail profile (intelligent type 6). 2. The use of the design product: used for curtain rail material, the red part is a connector. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: design 1 perspective view. 5. Design 1 is designated as the basic design. 6. The design product is an elongated article, and the length is omitted.

1. Name of the product in this design: Rail profile measuring instrument. 2. Purpose of this design: For measuring the profile of steel rails. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

The present application belongs to the field of rail transit detection technology, and particularly relates to a multi-source data fusion rail three-dimensional profile measurement method, device and system, comprising the following steps: acquiring rail section profile data, high-low irregularity data and track irregularity data, and recording mileage information of each measurement position; selecting a local highest point as a vertical splicing reference point; selecting a sampling point horizontal coordinate as a horizontal splicing reference point; constructing a profile calibration model with a smoothing constraint, taking the high-low irregularity data and the track irregularity data as a reference, and calculating a vertical offset and a horizontal offset of each section; and performing global coordinate conversion on the original rail section profile data at each mileage position according to the calculated vertical offset and horizontal offset, to generate a continuous rail three-dimensional point cloud model with a unified spatial reference. The present application aims to solve the three-dimensional reconstruction distortion problem caused by the lack of global height and horizontal reference in the traditional laser scanning technology.

1. Name of the product in this design: Three-section aluminum rail profile (1). 2. Application of this design: for guide rail profiles. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

The embodiment of the present application provides a rail profile detection method, the method comprises the following steps: selecting two one-dimensional sensors, and setting the moving route of the two one-dimensional sensors; moving the two one-dimensional sensors along the moving route, and the two one-dimensional sensors perform synchronous data collection in the moving process, wherein one one-dimensional sensor collects depth information of the current position from the rail surface, and the other one-dimensional sensor collects displacement information of the current position from the starting point; and obtaining profile data according to the depth information and the displacement information. By using the rail profile detection method provided in the embodiment of the present application, the detection of the rail profile is realized by combining the measurement of the depth information and the displacement information through two high-precision and low-cost one-dimensional sensors, so that the detection precision is effectively improved and the detection cost is reduced.

The present application relates to the field of track maintenance, and discloses a steel rail profiling grinder, which comprises a frame body, a polishing component and a detection component arranged on the frame body, and a first linear module for driving the polishing component and the detection component to move synchronously, the detection component comprises a fourth movable support connected with the first linear module, the fourth movable support is provided with a fifth movable support and a fourth linear module for driving the fifth movable support to move, the end of the fifth movable support is provided with three detection assemblies, the detection assembly comprises a connecting support connected with the fifth movable support, the connecting support is rotatably provided with a mounting ring, the mounting ring is slidably provided with a connecting shaft along the axial line direction, one end of the connecting shaft facing the steel rail is provided with a detection support, the detection support is provided with a detection component, and the connecting support is provided with a self-centering piece.

The utility model discloses a hidden frame lower rail structure of a heavy sliding door, which relates to the technical field of door and window section bar structures and comprises a lower rail section bar, a lower rail section bar and a lower rail section bar, the door leaf profile is arranged on the slide way in a sliding manner; the connecting sectional material is connected to the lower rail sectional material and located between the lower rail sectional material and the door leaf sectional material, and a filling area used for filling materials is arranged on the connecting sectional material; wherein the part, except the slide way, of the lower rail profile is located in the vertical projection range of the filling area; after the filling area is filled with ground decoration materials such as marble and wood floors, the lower rail sectional material is effectively shielded, an abrupt frame of a traditional rail is eliminated, a heavy sliding door can be better fused into the surrounding environment, wide and transparent visual perception is brought to the building space, the strict requirement for attractiveness of modern buildings, especially high-end projects is highly met, and the sliding door is suitable for popularization and application. And the overall appearance of the building is greatly improved.

The invention relates to a guide rail support spacing adjusting device and method for an elevator, and belongs to the technical field of elevator installation and maintenance, and the guide rail support spacing adjusting device comprises a measuring trolley climbing along a guide rail, a short-range laser sensor array driven by an actuator, a foresight distance sensor and a tilt angle sensor; laser, stroke and attitude data are synchronously collected during climbing; detecting the guide rail bracket by a foresight sensor; when the guide rail bracket is detected, recording an initial position and withdrawing the laser array; after crossing the bracket, recording a termination position and recovering the array; correcting the laser data according to the attitude data, and interpolating and reconstructing a guide rail contour of a support shielding area to generate an adjusting scheme; coevolution of measurement and avoidance is achieved, the existence of the foresight distance sensor provides a pre-judgment capability for a control algorithm, the avoidance action can be carried out actively in advance, and the method is a physical basis for achieving intellectualization of the algorithm.

The invention discloses a rail profile consistency evaluation method and system based on wheel-rail matching characteristics, and relates to the technical field of railway engineering.The rail profile consistency evaluation method comprises the steps that firstly, wheel-rail contact key indexes are analyzed, the positions of wheel-rail contact points are calculated based on three-dimensional profile data, and a model is established based on the non-Hertz contact theory to solve contact stress; a dynamic equivalent taper is obtained by using an equivalent taper fast algorithm; then, an analytic hierarchy process and an entropy weight method are combined to determine an index weight, weighted summation is performed after normalization processing is performed on original index data to obtain a comprehensive evaluation index CEI, and an evaluation standard is set in combination with a line and a train type; according to the method, multiple dynamic indexes are creatively fused to construct an evaluation system, a subjective and objective combination weighting method is adopted to overcome the defect of single weighting, the constructed quantitative comprehensive evaluation indexes provide accurate support for railway full-life-cycle management, compared with a traditional method, the evaluation accuracy is greatly improved, railway transportation safety and stability are effectively guaranteed, and the method is suitable for popularization and application. And the overall benefit and reliability are improved.

The application discloses a kind of threshold beam profile structure optimization system and method, the system includes initial modeling module, key variable screening module and stage optimization module.Initial modeling module is used to fill the stiffener model in the cavity of the base profile section, generates initial section and finite element model.Key variable screening module passes through calculating the sensitivity of section shape variable to vehicle body bending modal frequency and side column collision intrusion, and screens out key design variable.Stage optimization module is based on key design variable, and section optimization, length optimization and stiffener optimization are sequentially executed, and the optimized stiffener layout is obtained.The application solves the problem that traditional method is difficult to cooperatively optimize section shape, length and stiffener parameters to balance lightweight and multiple performance requirements, can significantly reduce the weight of threshold beam, and shorten the optimization cycle.

Rail profile system (100), in particular for a traveling crane or bridge crane, comprising a rail profile (110), wherein the rail profile (110) extends in a longitudinal direction (112) and is designed for placement on a support (102), and at least one connecting element (122), wherein the connecting element (122) is arranged laterally with respect to the longitudinal direction (112) next to the rail profile (110), wherein the connecting element (122) is welded to the rail profile (110) and wherein the connecting element (122) is designed for connection to the support (102), wherein the connecting element (122) has a waist (144) and / or at least one recess (146).

The present application is a kind of traditional and fast grinding combined rail corrugation grinding method, which is suitable for the field of rail corrugation engineering technology.The method comprises the following steps: special detection is carried out on the rail before grinding, a corresponding rail corrugation treatment scheme is formulated according to the special detection result, the rail profile is ground by a traditional grinding car first, the wave length below 300mm is mainly treated, the surface fatigue disease is removed, and the rail head hardening layer is eliminated;then, the fast grinding car is operated, the wave length not less than 300mm is mainly treated, and the overall smoothness of the rail line is improved;the grinding operation scheme is designed, the corrugation mode process is optimized;the grinding operation is carried out according to the designed operation scheme, and the quality acceptance after grinding is carried out.The present application realizes efficient, high-quality and high-economy treatment of rail corrugation, is suitable for both ordinary speed railway and high-speed railway, can improve the wheel-rail contact relationship, prolong the service life of the rail, and improve the safety and stability of vehicle operation.

The application relates to a method for repairing rail profile defects by planing. The method comprises the following steps: determining a standard rail profile for repairing a rail profile according to the rail profile type, the rail profile defect position and the rail profile defect depth; calculating initial planing speed and initial planing depth for repairing the rail profile defect, and performing rail profile defect repairing planing according to the initial planing parameters; and checking the planing repairing effect of the rail profile defect, and performing rail profile defect planing repairing according to the rail profile defect repairing effect. According to the scheme, the optimal planing parameters for repairing the rail profile defect can be analyzed and calculated according to the rail profile information, and the planing parameters can be optimized for multiple times, so that the rail profile defect can be repaired by planing without residual wave marks, and the service life of the transport rail is prolonged.

This invention discloses a metro wheel-rail matching method based on wear evolution and vehicle-rail dynamics characteristics, belonging to the technical field of metro wheel-rail matching methods. It selects three hardness states of commonly used wheels and rails, establishes an iterative calculation model for wheel-rail wear, and calculates the wear evolution results of wheel and rail profiles under different hardness conditions. Under typical metro curve conditions, it matches the wear profiles of wheels and rails at the same service stage and conducts vehicle-rail dynamics simulation, collecting key indicators such as derailment coefficient and lateral creep rate. Finally, it constructs a comprehensive evaluation method for nine wheel-rail hardness matching schemes, selecting the wheel-rail hardness matching scheme with better dynamic response. This method overcomes the limitations of traditional empirical matching and matching based on single test results. Through comprehensive analysis of material hardness, wear profile, and dynamic performance, it obtains a hardness matching evaluation system for the long-term service evolution of wheels and rails, providing a complete hardness matching basis for metro wheel-rail systems.

The application provides a steel rail profile dynamic detection device and a profile data splicing method, and belongs to the field of steel rail profile detection. The device comprises a left profile measurement unit, a right profile measurement unit, a main body walking unit, a connecting cross beam, an auxiliary walking unit, a manual push rod unit, a left side limiting unit, a right side limiting unit and a PC assembly. The manual push rod unit is used for collecting steel rail profile data in a dynamic manner, and a high-precision encoder wheel assembly is arranged. In the process of walking, the steel rail profile data is sampled once at a high sampling precision (one pulse is triggered every 0.5mm of walking), so that the problem that the traditional detection device cannot continuously sample is solved, and the working efficiency is improved.

The application discloses a welding assembly equipment for elasticizer hot rail, which comprises a rack, a placing mechanism, a pushing mechanism and a welding mechanism arranged on the rack; the placing mechanism is used for placing the elasticizer hot rail to be welded, the elasticizer hot rail comprises a hot rail profile and a back plate; the pushing mechanism is used for pushing the elasticizer hot rail to the welding mechanism; the welding mechanism comprises a positioning assembly and a welding gun; the positioning assembly comprises a pair of side plates, a channel is formed between the side plates for the elasticizer hot rail to pass through, a plurality of positioning wheels and a plurality of pressing wheels are arranged in the channel, the positioning wheels are located below the hot rail profile, the pressing wheels are located above the back plate and are used for applying pressure to the back plate, the welding gun is used for full welding on the joint between the hot rail profile and the back plate, and a cooling station for installing a spraying water cooling device is arranged on the inner side of the side plate. The welding assembly equipment for the elasticizer hot rail can avoid multiple spot welding operations, reduce labor cost, and is favorable for improving production efficiency and product quality.

The embodiment of the invention discloses a track section generation method and device based on polyline constraint and electronic equipment, and the method comprises the steps: determining a track line polyline based on point cloud data; calculating a direction vector and a normal vector of each line segment in the multiple line segments of the track line, and determining point cloud data of a single track according to a first screening condition; a direction vector and a normal vector of each line segment in a double-track center polyline are calculated, double-track point cloud data are determined according to a second screening condition, and the double-track center polyline is obtained based on the single-track point cloud data; and based on the double-track point cloud data, point cloud top surface extraction is carried out to generate a track profile.

1. Name of the product in this design: Sliding conductor rail profile (I). 2. Purpose of this design: For use as a sliding contact line profile for curtains. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: the front view.

The application discloses a railway turnout identification method based on track profile point cloud data, and comprises the following steps: establishing a classification network through an intelligent service module, classifying normal profiles and suspected turnout profiles of single-track point cloud profile graphs through the classification network, and obtaining a classification model file; exporting the required onnx model file through the intelligent service tool, calling the exported onnx model to process the collected track profile point cloud data in real time, and classifying and judging the turnout rail profile; classifying the rail profile of the point cloud data of the left and right tracks, if any side of the left and right tracks is a turnout, the profile is regarded as a turnout profile; establishing a sliding window queue, the rail profile classification result of each profile is added to the queue in real time, each queue of the sliding window queue is statistically analyzed, and when there are a set proportion of turnout profiles in the sliding window, the sliding window is a turnout; hysteresis processing: at the moment when the sliding window is judged as a turnout, a window length is rolled back to determine the starting point of the turnout.

The utility model provides a steel rail contour laser measuring device, which comprises a main frame, the direction of the measuring device in a use state is taken as a reference, the left side and the right side of the main frame are respectively provided with a group of laser devices and cameras, and the laser devices and the cameras are arranged front and back at intervals on the left side and the right side of the main frame. Each laser is assembled on the main frame through an adjusting assembly arranged corresponding to the laser, the adjusting assemblies can adjust front-back linear displacement and front-back deflection displacement of the lasers assembled on the adjusting assemblies, and the lasers can be rotated around the optical axes of the lasers and positioned. According to the utility model, the phenomenon that the left and right lasers are non-collinear and non-coplanar due to part processing errors and assembly errors is effectively eliminated, and the detection result precision is improved.

1. Name of the product in this design: Curtain track profile (intelligent type 9). 2. Purpose of this design: For use in curtain track materials. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the key design points: Design 1 3D view. 5. Design 1 is designated as the basic design. 6. Other matters requiring explanation: The product of this design is of variable length.

The application discloses a dustproof and mute shutter cord winder, and belongs to the technical field of shutters, which comprises a base, an upper cover connected to the base, a rotating wheel arranged between the base and the upper cover, a lifting belt wound on the rotating wheel, bearings arranged at both ends of the rotating wheel, a plurality of clamping claws arranged on the top of the upper cover, and a clamping portion of an upper rail profile clamped and matched with the clamping claws. The application solves the problems of poor dustproof performance of the shell of the current market shutter cord winder, easy invasion of dust and hair into the interior due to the open structure, accelerated wear of parts and caused jam, frequent cleaning and maintenance, obvious noise generated during operation due to the use of cheap plastic gears or metal parts without noise reduction, and aggravated noise and shaking after long-term use, which affects the use experience and shortens the service life of the product.

This utility model relates to the field of lifting tongue technology for lifting devices, and discloses a lifting tongue device suitable for 60 and 75 rail types. It includes: a movable clamp, which is a right-angled trapezoidal block symmetrically rotatably connected to the lifting device; and a tongue structure, located at the bottom of the movable clamp for lifting the rail. The tongue structure includes: a jaw, an outer plate, and a connecting joint. The jaw is fixedly connected to the bottom of each movable clamp, the outer plate is rotatably connected to the wall of each jaw, and the connecting joint is fixedly connected to the bottom end of each outer plate. The jaws and outer plates at the bottom of the symmetrical movable clamps are symmetrical. The tongue structure can adapt to 60 and 75 rail types by utilizing the spacing and inner angle of the symmetrical jaws. Furthermore, the symmetrical outer plate, when lifting the rail, can work with an elastic rope to hold the rail in place and prevent it from detaching during lifting, thereby improving operational safety.

The utility model discloses a steel rail profile instrument connecting mechanism which comprises a left side connecting rod, a right side connecting rod and a push rod. Wherein the left side connecting rod and the right side connecting rod are matched and inserted through insertion holes in the end faces and bolts, and a spring is arranged at the insertion position, so that the length of the whole connecting rod is adjustable after the left side connecting rod and the right side connecting rod are inserted. Steel rail profile instruments are mounted at the outer ends of the left connecting rod and the right end surface through dovetail joint structures; after the left connecting rod and the right connecting rod are connected in an inserted mode, the overall length of the connecting rods is adjusted so that the two-side steel rail profile instruments can be installed on the two-side steel rails, and stable connection between the steel rail profile instruments and the steel rails is guaranteed through elastic force of the springs. Therefore, the push rod installed on the connecting rod on one side can push the whole measuring structure to move along the steel rail, and the two continuous steel rail profile measuring instruments synchronously collect profiles of two steel rails on the same section. According to the utility model, two steel rail profile instruments are rapidly combined into a set of measuring system, so that the efficiency of field operation is effectively improved.

The application discloses a heavy-load railway small-radius curve corrugation disease comprehensive treatment method, first checks the line state of the curve where the corrugation disease occurs, and carries out corresponding treatment before corrugation treatment; then detects the corrugation distribution and the corrugation depth of the steel rail, and collects the rail profile; further, a real parameter vehicle-rail coupling dynamics model is established to obtain a grinding target profile; according to the corrugation distribution, the corrugation depth and the grinding target profile obtained in the foregoing, a curve steel rail surface corrugation treatment scheme is formulated; finally, a steel rail side lubrication and rail top coating device is arranged on the curve steel rail, and the friction coefficient of the steel rail surface is adjusted. The application comprehensively considers various factors causing the steel rail to generate corrugation and development, and is targeted to treat the steel rail corrugation disease.

A profile for the composition of a railroad rail with the provision for at least one pair of webs in each profile of the rail, in addition to being provided with a set of cutouts of a plurality of geometric shapes that allow the crossing of wires and cables for several purposes. The webs arranged more laterally to the center of the rail provide greater stability to the rail the plurality of holes enables greater capacity to absorb stresses and vibrations, consequently, greater stability for the train, especially at high speeds. The adopted geometries also present a greater mechanical strength in relation to common rail profiles compared to the same amount of used material.

The invention discloses a steel rail surface state evaluation method and device fusing multiple rapid detection technologies, and the method comprises the steps: obtaining ultrasonic detection data, magnetic flux leakage detection data, rail profile detection data, inspection detection data and steel rail ledger data, and carrying out the data alignment; preprocessing the detection data after data alignment to generate ultrasonic surface flaw data, magnetic flux leakage surface flaw data, rail profile surface flaw data and inspection surface flaw data; determining a steel rail surface defect evaluation result; and determining a final steel rail surface state evaluation result based on the steel rail surface defect evaluation result and a pre-established steel rail abrasion evaluation model. The advantages of multiple rapid detection technologies are fused, comprehensive and accurate evaluation of the steel rail surface state is realized, scientific and reliable data support is provided for making a steel rail maintenance strategy, and the method is suitable for popularization and application. Resource waste is effectively avoided, cost is reduced, and train operation safety is guaranteed.