39results about How to "Precise track" patented technology

The invention relates to an automatic assembling machine for automobile starter switch screws, and belongs to the technical field of automobile starter motor assembly assembling equipment. The automatic assembling machine comprises a rack, multiple tightening devices, a graduator, a workpiece fixture and an index plate; the index plate is installed on the rack, an air distributing rotation barrel is installed in the center of the index plate, the tightening devices are installed on the rack, and a vibration loader is arranged on one side of the rack; a switch screw feeding device is arranged at one side of each tightening device and connected with the vibration loader through a communication pipe. According to the automatic assembling machine for the automobile starter switch screws, the structure is compact, the automation degree is high, and the problems that in an existing manual starter switch screw assembling mode, time and labor are wasted, the assembly efficiency is low, the labor intensity is high, and the assembly consistency cannot be guaranteed are solved. The automatic assembling machine for the automobile starter switch screws is particularly suitable for being used in automatic assembling of the automobile starter motor switch screws.

The invention discloses a drilling machine, which comprises a machine platform, a frame, a movable platform, a cutting detection mechanism, a powder absorption device and an oil cooling device. The machine platform serves as a bearing device of the whole drilling machine, the frame is arranged on the machine platform, the movable platform comprises an X axis platform installed on the machine platform and a Y axis platform installed on the frame, the cutting detection mechanism is fixedly installed on the frame through a casing of the cutting detection mechanism, and the powder absorption device is arranged on the side of the frame and is communicated with the casing of the cutting detection mechanism through a connection pipe. At least six mechanical arm devices are arranged on the frame, and each mechanical arm device comprises a main holder device and an auxiliary holder device installed on the side of the main holder device. The drilling machine is compact in structure and high in manufacture accuracy and production efficiency, can save material resources and greatly lower production and manufacture cost.

The present invention relates to a tubular motor manual electric clutch controller. An arc rack is matched with a spur gear at a rotating rod and a pulley at a slide rod. A smaller traveler at the slide rod is matched with a slide way buckle which is connected with an external end cover. The slide rod is equipped with one or more than one pulley and is connected with a pull rod with a spring. The arc rack is connected with a rotating shaft which is provided with a torsional spring. The rotating shaft is fixed on an internal end cover. The original slide rod is decomposed into two independently moving parts of the slide rod and the arc rack to reduce the spring. The slide rod is provided with a bevel and is equipped with the pulley. The movement of the slide rod is changed into the sliding of the pulley. The pulley can be departed from or pressed on the arc rack just by very short distance of the movement of the pull rod. The arc rack rotates for certain degrees along the rotating shaft and can be departed from or be meshed with the spur gear. The tubular motor manual electric clutch controller can achieve the great just by few pull. The tubular motor manual electric clutch controller is a manually operated controller saving most labor at the prior market and has simple and compact structure and low cost. The tubular motor manual electric clutch controller can be installed at rolling doors with different specifications and sizes and has fast pulling speed and high efficiency.

The invention relates to a method, equipment and system for testing a measurement error of a satellite navigation receiver under a dynamic condition, computer equipment and a storage medium. The method comprises the following steps of: establishing an inter-station inter-satellite pseudo-range double-difference equation and a carrier phase double-difference equation of a static base station and a receiver to be tested by using the static base station and the receiver to be tested moving along a known circular track and taking sine and cosine values of inter-station inter-satellite double-difference ambiguity and a yaw angle of the receiver to be tested relative to the circle center of the track as unknown numbers; carrying out solving and ambiguity fixing, establishing an inter-station inter-satellite carrier phase double-difference equation of a relative position vector from the base station to the receiver to be measured, calculating the accurate position of the receiver to be measured according to an effective fixed solution and a known circular track, and obtaining the measurement error of the receiver to be tested by combining broadcast ephemeris. The receiver measurement error under the dynamic condition can be tested, the test under the complex environment can be conveniently carried out, the ambiguity floating point solution solving success rate and accuracy are improved, and the error measurement result is more comprehensive and reliable.

The invention discloses a carbon-free trolley capable of moving in an 8 shape. The carbon-free trolley comprises a frame, and a gravity mechanism, a driving transmission mechanism, a cam mechanism and a steering mechanism which are arranged on the rack, wherein the gravity mechanism comprises a vertical barrel, a duplex wheel, a flexible wire rope, a potential energy block and a wire winding shaft; the driving transmission mechanism comprises a driving gear, a driven gear, a right rear wheel shaft, a right rear wheel, a left rear wheel shaft and a left rear wheel; the cam mechanism comprises a cam and a push rod assembly; the steering mechanism comprises a linear spring, a first swing angle adjusting device, a first micrometer head, a swing angle sliding groove, a second swing angle adjusting device, a swing angle sliding block, a second micrometer head and a front wheel. The carbon-free trolley is provided with a primary transmission gear with the transmission ratio of 1 to 3.76, is simple and compact in structure and low in manufacturing cost; the duplex wheel is used for converting, the utilization rate of gravitational potential energy is high and the movement distance of the trolley is long; two micrometers are combined with the linear bearing, so that the carbon-free trolley is convenient to detach and debug; and the carbon-free trolley has the advantages of accuracy in adjustment, small errors and accurate movement track.

The invention discloses a multi-sensor information fusion system for a path planning robot and a control method of the multi-sensor information fusion system. The multi-sensor information fusion system comprises a data layer information fusion module which carries out the statistical analysis of original observation data of multiple sensors and completes the storage of the original data and the correlation between the original data, a feature layer information fusion module which is used for combining the feature vectors extracted from the original data, calculating and processing the feature vectors and carrying out fusion processing on the feature vectors so as to further reduce the processing amount of the original data and improve the processing speed and the real-time performance of the system, and a decision-making layer information fusion module which is used for carrying out independent data processing on the same observation target, including original observation data preprocessing, original information feature extraction and target identification judgment, obtaining a preliminary conclusion according to respective measurement results, and then fusing conclusions of all sensors to obtain a final judgment result of the observation target, so that the information of the multiple sensors is fused to obtain total data deployment.

The invention relates to a spinning device for melting and spinning a plurality of single filament, having a nozzle holder and a detachable spinning nozzle assembly held on a melt joint of the nozzle holder with a melt inlet. The nozzle holder has a holding part for accepting the spinning nozzle assembly with thread screw at the lower side for fixing function. The spinning nozzle assembly has a corresponding holding part with corresponding thread screw for cooperation with the holding part. For fixing and high sealing between the spinning nozzle assembly and the nozzle holder with partly rotation, according to the invention, the corresponding thread screw forms from external thread screw of a thread section with one full circle only on the corresponding holding part. The thread section is a plurality of thread gaps on circumference direction. The thread screw forms from inner thread of a thread groove with one full circle only on the holding part. The thread groove stops by a plurality of thread cuts in circumference. The thread gap of the external thread has an arc size more than that of the thread cut of the inner thread each. The quantity of the thread gap is identical with that of the thread cut.

The invention discloses a carbon-free trolley capable of walking in an 8 shape, belongs to the technical field of carbon-free trolleys, and aims at providing a novel device novel in structure, obviousin feature and high in practicability. The technical points include that the carbon-free trolley comprises a trolley frame, a driving mechanism, a transmission mechanism and a steering mechanism, thedriving mechanism, the transmission mechanism and the steering mechanism are arranged on the trolley frame, and the trolley frame comprises a base plate and a column arranged on the base plate; the driving mechanism comprises a fixed pulley, a wire rope, a potential energy block and a winding shaft; the transmission mechanism comprises a gear set, a first rotating shaft, a second rotating shaft,rolling wheels, a 90-degree double pulling pin disc, a groove wheel and a third rotating shaft; the steering mechanism comprises a steering wheel, and the steering wheel is connected with one end of the third rotating shaft through a crank rocker mechanism; the carbon-free trolley is applicable to occasions of mechanical principle teaching.

The invention discloses a programming system for a hub deburring robot. The programming system comprises a model processing module, a user interaction module, a deburring path generation module and an offline program generation module, wherein the model processing module is used for reading a three-dimensional model of a hub to be machined, then a machining path of deburring operation on the hubis selected in an interactive mode through the user interaction module and the deburring path generation module, and the machining path is discretized; discretized key points are selected to serve asfeature points of machining for the robot, posture information of the key points is added according to hub deburring technological parameters, a linear or circular arc transition mode between the keypoints is selected, and motion speed and acceleration parameters of the robot are added; and then according to the three-dimensional coordinate information of the key points and the related information, a program capable of being directly operated by the robot is generated through the offline program generation module.

The invention discloses a device for prolonging the cycle life of a high-voltage lithium cobalt oxide positive electrode material sagger. The device comprises a sagger stacking mechanism shell (1), two clamping mechanisms, two polyurethane plates (3), a light sensor (4), an air cylinder (5) and the sagger (6), wherein the two clamping mechanisms are both installed in the sagger stacking mechanism shell (1), and the two clamping mechanisms are located on the two sides of the sagger (6); the clamping mechanism comprises a motor, a clamping rod (7) and a clamping plate (2), one end of the clamping rod (7) is connected with the motor, the other end of the clamping rod (7) is connected with one side of the clamping plate (2), the other side of the clamping plate (2) is connected with polyurethane plates (3), and the two polyurethane plates (3) are close to the two sides of the saggar (6). The light sensor is close to one clamping mechanism; the air cylinder is installed in the saggar stacking mechanism shell and installed at the bottom of the saggar. The automatic circulation line sagger stacking mechanism can be improved, so that the service cycle life of the sagger is prolonged.

The invention relates to an axle testbed for an axle assembly running-in test, and belongs to the field of axle test detection equipment. The axle testbed for the axle assembly running-in test is composed of a mounting base, a gripping device, an automatic centering running-in device, a sliding lead screw transmission device, a translation lead screw transmission device and a lifting and clamping device. The mounting base is provided with the gripping device through linear guideways, and the sliding lead screw transmission device is arranged on one side of the linear guideways. The automatic centering running-in device is arranged between the linear guideways through sliding guideways. The axle testbed for the axle assembly running-in test is simple and compact in structure, precise in manufacturing, capable of automatically completing gripping, lifting, translation, placing, lifting locating and centering clamping of axle assemblies and high in automation degree, and achieves the unmanned operation. The problems that an existing axle assembly running-in test is carried out in an off-line mode, time and labor are wasted, working efficiency is low, and meanwhile modern lean production requirements and customer requirements cannot be met are solved, and the working efficiency and the reliability of the detection result are greatly improved.

The invention provides a medical examination bed capable of preventing deviation of a bed sheet. The medical examination bed comprises a movable bracket, and a bed body arranged on the movable bracket, wherein two ends of the bed body are respectively a driving barrel end and a driven barrel end, the driving barrel end comprises left and right support plates symmetrically arranged on two sides of the bed body, a driving barrel is arranged between the left and right support plates, a correcting barrel is arranged above the driving barrel, the right end of the correcting barrel is inserted into a hole correspondingly formed in the right support plate and is fixedly connected through a screw, the left end of the correcting barrel is inserted into a bar-shaped chute correspondingly formed in the left support plate, the center of the bar-shaped chute is just opposite to the hole in the right support plate, correcting baffle rods are arranged on the inner side surfaces of the left and right support plates above the correcting barrel, symmetrically, one ends of the correcting baffle rods are respectively fixedly connected with the left and right support plates, the other ends of the correcting baffle rods are fixedly connected with the side surface of the end part of the bed body, and the correcting baffle rods incline by 15 degrees downwards from the left and right support plates, and extend towards the side surface of the end part of the bed body, so that the left support plate and the right support plate, the two correcting baffle rods and the side surface of the end part of the bed body form two triangular support structures. With the medical examination bed, the deviation of the bed sheet in the use process is guaranteed, and the paper jam phenomenon is prevented.

The invention provides a hydraulic tensioning type single-layer wet type scraping plate slag dragging machine. The hydraulic tensioning type single-layer wet type scraping plate slag dragging machinecomprises a groove body; the groove body comprises a horizontal groove body and an oblique groove body; the oblique groove body is connected with the horizontal groove body into a whole; emergent slagoutlets are formed in the side wall of the horizontal groove body; manual inserting plate doors are arranged at the upper end of the horizontal groove body; a transmission wheel and a tensioning wheel are correspondingly arranged at the two ends of the groove body; the transmission wheel is arranged on the oblique groove body; an upper guide wheel and a lower guide wheel are arranged in the groove body; the transmission wheel and the tensioning wheel are connected with chain scraping plates; chain scraping plates are tensioned by the upper guide wheel and the lower guide wheel; the transmission wheel is connected with a speed-reducing motor; and a hydraulic tensioning device is arranged at the lower end of the tensioning wheel. With the adoption of the hydraulic tensioning type single-layer wet type scraping plate slag dragging machine, slag scraping and return stroke chains are not abraded, operation tracks of the chains are accurate, and the chains are not separated or clamped.

The invention relates to a ground detection robot which comprises a carrier (1), a data acquisition module (2), a sensing module and a control system (4), the carrier (1) comprises a frame vehicle body (11) and a walking mechanism (12), and the data acquisition module (2) and the sensing module are both arranged on the carrier (1). According to the invention, integrated development of artificial intelligence and metering services can be realized.

The invention relates to a solar composite tracking method, and a solar tracking control system comprises a condenser and a control driving device, and is characterized in that the composite trackingmethod comprises the following steps: the condenser acquires the current illumination intensity; judging whether the illumination intensity is greater than a set intensity threshold value or not, If so, performing sun azimuth tracking by adopting a photoelectric tracking method; If not, carrying out sun azimuth tracking by adopting an improved sun-looking motion trail tracking method. Compared with the prior art, according to the invention, a composite solar tracking method of a photoelectric tracking method and an improved sun-looking motion trail tracking method is adopted, specific trackingmodes can be switched according to weather and illumination conditions, instability of the photoelectric tracking method can be overcome, and all-weather, high-precision and intelligent tracking of the sun position by a sun tracking control system is realized.

The invention discloses an adjustable baseball and softball hitting trainer which comprises a training base, a mounting base is fixedly connected to the upper end of the training base, a mounting groove is formed in the mounting base, a training supporting sleeve is arranged in the mounting groove, and two symmetrically-arranged clamping mechanisms are arranged between the training supporting sleeve and the mounting base. A hollow groove is formed in the exercise supporting sleeve, an exercise supporting rod is arranged in the hollow groove, one end of the exercise supporting rod is slidably connected with the inner side wall of the hollow groove, and the other end of the exercise supporting rod extends out of the exercise supporting sleeve and is fixedly connected with a mounting sleeve; a locking rod for fixing the exercise supporting rod in the exercise supporting sleeve is arranged on the outer side wall of the exercise supporting sleeve, and the locking rod is in threaded connection with the exercise supporting sleeve. The baseball and softball swing trainer is suitable for baseball and softball players with different heights and arm lengths, is suitable for swing connection at different places, and improves the swing training efficiency of the baseball and softball players.

The invention discloses a method and system for determining a running track of a vehicle, and the method comprises the steps: converting the point cloud data of a current frame collected by a sensor disposed in a running vehicle into a distance image of the current frame, and dividing the distance image of the current frame into a plurality of sub-images of the current frame; summarizing the plane feature points extracted from each sub-image of the current frame to obtain the plane feature points of the current frame; collecting the boundary feature points extracted from each sub-image of the current frame to obtain the boundary feature points of the current frame; and performing matching operation on the plane feature points and the boundary feature points of the current frame and the plane feature points and the boundary feature points of the adjacent previous frame to obtain a pose difference between the current frame and the adjacent previous frame of the sensor, and determining a running track of the vehicle based on the pose difference. Therefore, according to the embodiment of the invention, the running track of the vehicle is accurately determined under the condition that an environment area is not limited.

The invention relates to an automatic assembly machine for switch screws of an automobile starter, belonging to the technical field of automobile starter assembly assembly equipment. The assembly machine includes a frame, a tightening device, an indexer, a workpiece fixture and an indexing plate. The indexing plate is installed on the frame, and the center of the indexing plate is equipped with a gas-distributing rotating cylinder. Multiple tightening devices are installed on the frame. , One side of the frame is provided with a vibrating feeder; one side of the tightening device is provided with a switch screw feeding device, and the switch screw feeding device is connected to the vibrating feeder through a connecting pipe. The assembly machine has a compact structure and a high degree of automation, which solves the problem that the existing manual assembly of starter switch screws is time-consuming, labor-intensive, low in assembly efficiency, high in labor intensity, and unable to ensure assembly consistency. It is especially suitable for automatic assembly of automobile starter switch screws.

The present invention relates to a tubular motor manual electric clutch controller. An arc rack is matched with a spur gear at a rotating rod and a pulley at a slide rod. A smaller traveler at the slide rod is matched with a slide way buckle which is connected with an external end cover. The slide rod is equipped with more than one pulley and is connected with a pull rod with a spring. The arc rack is connected with a rotating shaft which is provided with a torsional spring. The rotating shaft is fixed on an internal end cover. The original slide rod is decomposed into two independently moving parts of the slide rod and the arc rack to reduce the spring. The slide rod is provided with a bevel and is equipped with the pulley. The movement of the slide rod is changed into the sliding of the pulley. The pulley can be departed from or pressed on the arc rack just by very short distance of the movement of the pull rod. The arc rack rotates for certain degrees along the rotating shaft and can be departed from or be meshed with the spur gear. The tubular motor manual electric clutch controller can achieve the great just by few pull. The tubular motor manual electric clutch controller is a manually operated controller saving most labor at the prior market and has simple and compact structure and low cost. The tubular motor manual electric clutch controller can be installed at rolling doors with different specifications and sizes and has fast pulling speed and high efficiency.

The invention provides a circular track crane and an automatic operation rectifying system thereof. The circular track crane comprises a bridge frame and four sets of operation components arranged at the lower part of the bridge frame; under drive of the four sets of operation components, the circular track crane rotates on a circular track around the axis of the circular track; a circular safety shell is arranged around the circular track on the outer side of the circular track; and the automatic rectifying system comprises at least two sets of information acquiring components respectively used for acquiring operation information of at least two sets of adjacent operation components, a control device for receiving information acquired by the at least two sets of information acquiring components, and four sets of actuation components for respectively driving the four sets of operation components to operate. The automatic operation rectifying system of the circular track crane enables the driving rotating speeds of the four sets of operation components to be different through determining a walking trajectory and an inclined direction of the crane by calculation and adjustment of the control device, so that automatic rectification is finally realized, and the accuracy and the stability of the operation trajectory of the crane are guaranteed.

A medical examination bed for preventing bed sheets from drifting, including a mobile support, a bed set on the support, the two ends of the bed are respectively the active roller end and the passive roller end, and the active roller end includes left and right rollers symmetrically arranged on both sides of the bed Support plate, there is an active roller between the left and right support plates, and a correction roller is arranged above the active roller. The right end of the correction roller is plugged into the corresponding hole opened on the right support plate, fixed by screws, and the left end is inserted on the left support plate. Correspondingly, there is a strip-shaped chute, the center of the strip-shaped chute is facing the hole of the right support plate, and the inner side of the left and right support plates above the deviation-correcting roller is symmetrically provided with a deviation-correction gear rod, and one end of the deviation-correction gear rod is respectively fixed with the left and right support plates. connected, the other end is fixedly connected to the side of the bed end, and the deviation correcting gear rod is inclined downward at 15 degrees from the left and right support plates to the side of the bed end, so that the left and right support plates, the two deviation correcting gear rods and the end of the bed The sides are enough to form two triangular support structures. It ensures that the sheets will deviate during use and prevent paper jams.

The invention discloses a method for mounting and dismounting a large liquid crystal display panel. The method comprises: (1), a fixed base, an overturning mechanism, a horizontal pushing mechanism, and a positioning component are set; (2), the horizontal pushing mechanism overturns downwardly at an angle; (3), a large liquid crystal display panel is arranged in the positioning component at the horizontal pushing mechanism; (4), the overturning mechanism drives the horizontal pushing mechanism and the large liquid crystal display panel to overturn upwardly and thus the horizontal pushing mechanism is in a horizontal state; (5), the large liquid crystal display panel moves forwardly and horizontally to a front stop position; (6), the large liquid crystal display panel moves backwardly and horizontally to a rear stop position; and (7), the horizontal pushing mechanism and the large liquid crystal display panel overturn downwardly. A large liquid crystal display panel carrying part formed by two L-shaped aluminum strips is used for supporting the liquid crystal display panel, thereby eliminating the sucking trace of the octopus sucking disk on the panel. The horizontal pushing mechanism overturns and thus the liquid crystal display panel extends into a table top of a metallographic microscope or is pulled out of the table top of the metallographic microscope by the horizontal pushing mechanism; and the whole operation track is stable and accurate, so that the damages of the panel and the microscope can be avoided.

The invention provides a vehicle tracking method based on GPS pseudo range differential positioning data and a vehicle-mounted electronic compass. According to the method, the GPS pseudo range differential positioning data of a vehicle and the angle data of the vehicle-mounted electronic compass are simultaneously acquired periodically, and two types of data are fused by a data fusion method so that vehicle moving tracks after error correction can be given in real time. The beneficial effects of the vehicle tracking method are that error accumulation of the angle of the vehicle-mounted electronic compass is not generated, and the GPS pseudo range differential positioning data can be effectively corrected so that more accurate vehicle moving tracks can be provided.

The invention discloses a numerical control machine tool programming auxiliary method, and relates to the technical field of numerical control machining. The numerical control machine tool programming auxiliary method comprises the steps that (S1) accurate AUTO CAD graphs are drawn through AUTO CAD software according to the structure of a product to be machined, (S2) blade graphs are simulated through the AUTO CAD software according to the various dimensions of blades used for machining, (S3) the blade graphs are put on positions of all key points on the graphs drawn in the step (S1) respectively in the AUTO CAD software, and the radiuses of arcs needs to be determined if machining faces are circular arc faces; (S4) an original point is determined, the coordinates of all the key points relative to the original point are measured; (S5) the measured coordinates of all the key points and the radiuses of tracks of the blades when the circular arc faces are machined are provided to the numerical control machine tool for programming. According to numerical control machine tool programming auxiliary method, accurate blade tower running tracks are provided to the numerical control machine tool through the AUTO CAD software, the difficulty of data programming is simplified, and the qualified rate of complex products is improved.

The invention provides a normal-position turning device for a railway vehicle testable track wheel. According to the main constitution, a two-dimensional moving platform is installed on the left upperportion of a base of the track wheel, a transverse moving platform is arranged on the upper portion of the two-dimensional moving platform, the transverse moving platform is provided with a cutter feeding mechanism, a round turning cutter is arranged at the right end of the cutter feeding mechanism, an upper beam frame is arranged above the transverse moving platform, a guide frame is longitudinally connected into a rectangular inner cavity of the upper beam frame in a sliding manner, an arc-shaped rack plate is fixedly embedded into the upper portion of an inner cavity of the guide frame, aguide through groove plate is fixed to the lower portion of the inner cavity of the guide frame, a transverse top plate is arranged above the upper beam frame, a profiled shaft of a corner type speedreducer on the transverse top plate sequentially penetrates through the transverse top plate, the inner cavity of the arc-shaped rack plate and a guide groove of the guide through groove plate downwards and is inserted into a drive hole of the transverse moving platform, a gear on the profiled shaft is matched with the tooth edge of the inner cavity of the arc-shaped rack plate, and the center line of the guide through groove is the sum of the appearance curve of the cross section of the standard track wheel and the equidistant line of the outer side of the radius of the round turning cutter.The normal-position turning device is simple in structure, short in maintenance time and low in expense, and maintenance operation is convenient.

The invention relates to a sliding force detection device used for an air disc brake, and belongs to the field of air disc brake assembly detection equipment. The sliding force detection device comprises a rack, a servo motor, a program control cabinet, a control panel, a sliding seat, a sliding block, a sensor, an underprop air cylinder and a lifting air cylinder, wherein the servo motor is mounted on one side of the rack; a sliding rod is mounted on one side of the servo motor; the sliding seat and the sliding block are mounted on the sliding rod; a mounting board is fixedly mounted at the top of the sliding block; and the sensor is fixedly mounted on the mounting board, and fixedly connected with an L-shaped connecting board by a floating joint. The sliding force detection device is simple and compact in structure, precise to manufacture, high in automation degree in a detection process, and accurate in moving track, so that a detection result can be stable and reliable, and unmanned operation is achieved; the problem that the traditional detection mode cannot adequately guarantee the reliability of the detection result is solved; and a guarantee is provided for ensuring the quality and the performance of a product.

The invention discloses a gluing and filming machine. The gluing and filming machine comprises a glue delivery pipe, an air cylinder, a gluing needle, a glue barrel and a gluing pump; the gluing pump is composed of a valve rod sleeve, a valve rod and a valve body; the valve body is located inside the valve rod sleeve and is fixedly connected with a valve seat by a pin hole; the valve rod is fixed inside the valve body by a nut; the top end of the interior of the valve body is connected with a guide cover by a screw thread; a pressure spring is connected between the guide cover and the valve rod; one side of the valve rod sleeve is fixed with a core shaft by the pin hole, and the other side of the valve rod sleeve is connected with the glue delivery pipe; a bearing is arranged on the core shaft; a gluing cam is connected at the lower end of the bearing; the lower end of the gluing cam is connected with the air cylinder by a screw thread. The gluing and filming machine has the characteristics of simple structure, strong operability, good product running stability, high glue utilization rate and high working efficiency, and the cost is saved.

The invention discloses a metal plate assembly line. The metal plate assembly line comprises an upper assembly line, a lower assembly line and lifting devices, wherein each lifting device comprises a jacking cylinder, a conveying mechanism arranged at an output end of the jacking cylinder and an induction mechanism; the upper assembly line is provided with a candidate area trigger part; and each induction mechanism comprises a protection trigger part and a lifting trigger part which are sequentially arranged in the direction that tool plates enter the corresponding lifting device, and the distance between each protection trigger part and the corresponding lifting trigger part is smaller than the lengths of the tool plates in the conveying direction. By controlling the candidate area trigger part, the protection trigger parts and the lifting trigger parts, the jacking cylinders can ascend or descend only when certain conditions are met, no accident is generated through cooperation of the candidate area trigger part, the protection trigger parts and the lifting trigger parts, the next step of movement is protected every time the tool plates trigger one trigger part, and new problems are avoided, therefore, a new movement form can be perfectly met through use of the jacking cylinders, the production cost is reduced, and the economic benefit is good.

The invention relates to a pavement construction system based on combined navigation, which comprises a combined navigation subsystem arranged on a road roller; a BIM generating module used for generating a BIM model of the construction area; a coordinate generating module used for establishing a construction coordinate system according to the known construction area boundary and obtaining the coordinate information of the road roller according to the positioning information of the combined navigation subsystem; a control system connected with the combined navigation subsystem, the BIM generating module and the coordinate generating module and used for indicating the road roller to run according to a preset track based on the BIM model according to the construction coordinate system and the coordinate information. The control system combines the coordinate information and the BIM model, and controls the running of the road roller in the BIM model in real time, so that the running trackof the road roller is more accurate, and the construction precision is improved; and the road roller is positioned in real time through the combined navigation subsystem, so that the manual measurement process is reduced, and the construction efficiency is improved.

The invention relates to a sliding force detection device used for an air disc brake, and belongs to the field of air disc brake assembly detection equipment. The sliding force detection device comprises a rack, a servo motor, a program control cabinet, a control panel, a sliding seat, a sliding block, a sensor, an underprop air cylinder and a lifting air cylinder, wherein the servo motor is mounted on one side of the rack; a sliding rod is mounted on one side of the servo motor; the sliding seat and the sliding block are mounted on the sliding rod; a mounting board is fixedly mounted at the top of the sliding block; and the sensor is fixedly mounted on the mounting board, and fixedly connected with an L-shaped connecting board by a floating joint. The sliding force detection device is simple and compact in structure, precise to manufacture, high in automation degree in a detection process, and accurate in moving track, so that a detection result can be stable and reliable, and unmanned operation is achieved; the problem that the traditional detection mode cannot adequately guarantee the reliability of the detection result is solved; and a guarantee is provided for ensuring the quality and the performance of a product.