32results about How to "Won't cross" patented technology

The invention provides a laser light source, a related light emitting device and a related lamp. The laser light source comprise a laser emitting source for emitting a laser, a first gathering deviceand a second gathering device, wherein each of the first gathering device and the second gathering device is a ball lens or a ball lens set. The laser light source further comprises a fluorescent device located on the optical axis of the second side of the second gathering device, the distance between the fluorescent device and the main face of the second gathering device is smaller than the minimum focal length of the second gathering device, wherein A is larger than or equal to 50 degrees. After sequentially passing through the first gathering device and the second gathering device from theposition near the optical axis, the laser is focused to the fluorescent device, and the fluorescent device generates a received laser. The full spherical surface design is adopted in the second gathering device, the fluorescent device is placed at the proper position within the focus of the second gathering device, emitted light can still be orderly but not crossed, and accordingly the needed optics purpose can be achieved through the rear end optical design. By means of the first gathering device, the focus of the laser incident near the optical axis can be moved forwards to the position of the fluorescent device.

The invention discloses an electric tool which comprises a motor, an output shaft, a gear drive mechanism, a detecting assembly and a control system, wherein the gear drive mechanism is arranged between the motor and the output shaft and has different reduction ratios; the detecting assembly is used for measuring parameters presenting the load of the output shaft; and the control system can be optionally used for controlling the tool to operate at least in one of the electronic clutch mode and the automatic gear shifting mode or the combination of the two modes. Through the structure, the automatic switching of the tool among different gears can be realized, and can prevent a work package from crossing over the position when the work package reaches a preset position.

The invention discloses a three-dimensional mammary gland ultrasound image partition method based on homoplasmon and partial energy. The method includes that the three-dimensional mammary gland ultrasound image to be processed is inputted, the image to be processed is carried out an edge detection. A detected edge curved surface is carried out fitting. The homoplasmon and an overall energy functional are defined, and a numerical calculation is the last step. The three-dimensional mammary gland ultrasound image partition method based on homoplasmon and partial energy has the advantages that firstly, difficult problem that in the traditional method, a three dimensional neighboring window is hard to choose is solved, so that, the neighboring window is capable of varying together with the changes of spatial position of a voxel.The homoplasmon, to some extent, can guarantee that the neighborhood cannot step over an organization, can effectively differentiate the pixels with similar appearance but belonging to different organizations, and the homoplasmon is helpful for improving the extraction accuracy of the tumor outline. Secondly, defects that for a level set model based on the global information, the unevenness of the gray level is hard to overcome and a level set model based on the partial regional information is fallen into the local extremum are solved, the extraction.

The invention relates to a control method of an electric tool. The electric tool comprises a motor and an output shaft driven by rotation of the motor. The output shaft is used for outputting a rotation torque to drive a work head to work on a work piece. The control method comprises the steps of measuring a time-varying parameter used to represent the load of the output shaft, getting a derivative of the parameter versus time, generating a corresponding control signal based on the derivative, and interrupting the torque output of the electric tool according to the control signal. According to the invention, a corresponding action is performed after the work piece is detected to reach a predetermined position, and it is guaranteed that the work piece does not pass over the predetermined position.

The invention discloses a rail traffic parking lot throat area rail arrangement structure used for connecting each parking line arranged close to a rail main line in a parking lot with a parking lot incoming and outgoing line. One rail close to the rail main line is arranged as a throat area reference line in the throat area rail arrangement structure, and an interval between the reference line and the rail main line is maintained basically unchanged; while other rails in the throat area rail arrangement structure extend and approach a same side of the reference line respectively through turnouts to be gathered and connected on the reference line, and in this way, a connecting point gathering at the tail end of the reference line is formed in a throat area; the connecting point is connected with the incoming and outgoing line so as to realize connection between the parking lot parking lines and the rail main line. Aiming at the circumstance that the incoming and outgoing line is too long and cuts a land plot, thereby causing land resource waste in the prior art, a form that the throat area is arranged close to the rail main line is adopted, so that length of the incoming line and the outgoing line can be reduced effectively, and the land resource waste is avoided.

The invention discloses an elastic rotating component and a road traffic security fence, and belongs to the technical field of traffic protective equipment. The elastic rotating component comprises anelastic rotating body and a rotary shaft, the elastic rotating body and the rotary shaft are of an integral structure, the rotary shaft rotates relative to cross fences, the diameter of the rotary shaft is relatively small, the diameter of the corresponding elastic rotating body is relatively small, thus the production cost is lowered, the impact energy can be well absorbed, and accordingly the safety of personnel in a car is effectively improved.

The invention discloses a straw returning machine that is applicable to operations for a plurality of row spacings. The main technical points are that: at least two support beams are fixedly arranged on a stander along a vertical direction, a traction frame sleeved on the support beams, a first adjusting device that can enable the traction frame to move along the support beams is arranged between the stander and the traction frame, the stander is fixedly provided with track along a longitudinal direction, a second adjusting device that can enable a first transmission device to move along the track is arranged between a tank body of the first transmission device and the stander; a coupling is arranged between an output shaft of the first transmission device and an input shaft of a second transmission device, allowing the output shaft of the first transmission device and the input shaft of the second transmission device change relative positions at axial direction. According to the different row spacings of crops under different planting and agricultural conditions, the coupling can appropriately adjust the relative positions of the tractor and the straw returning machine, thereby not only ensuring the trafficability of the tractor in the field, but also ensuring that the straw returning machine not cross the ridges of the field, so as to enhance the agriculture adaptability of the straw returning machine.

The invention discloses a three-dimensional mammary gland ultrasound image partition method based on homoplasmon and partial energy. The method includes that the three-dimensional mammary gland ultrasound image to be processed is inputted, the image to be processed is carried out an edge detection. A detected edge curved surface is carried out fitting. The homoplasmon and an overall energy functional are defined, and a numerical calculation is the last step. The three-dimensional mammary gland ultrasound image partition method based on homoplasmon and partial energy has the advantages that firstly, difficult problem that in the traditional method, a three dimensional neighboring window is hard to choose is solved, so that, the neighboring window is capable of varying together with the changes of spatial position of a voxel.The homoplasmon, to some extent, can guarantee that the neighborhood cannot step over an organization, can effectively differentiate the pixels with similar appearance but belonging to different organizations, and the homoplasmon is helpful for improving the extraction accuracy of the tumor outline. Secondly, defects that for a level set model based on the global information, the unevenness of the gray level is hard to overcome and a level set model based on the partial regional information is fallen into the local extremum are solved, the extraction.

Provided are an operation switch and an electronic device which have a contact point structure requiring a plenty of contact points for enabling a plural switch structure on a limited small flat region of a rotary operation body and can assure a stable contact point structure by eliminating concentration of the contact points on the flat region. Among a plenty of fixed contact points arranged on a printed circuit board, fixed points for an encoder are extracted from the printed circuit board to provide an encoder movable contact point plate. A conductive piece in contact with these has an operation switch branched to a terminal which is brought into contact with the fixed contact points arranged on the printed circuit board and a terminal which is brought into contact with the fixed contact points arranged on the encoder movable contact point plate.

A headlight control device (1) which is equipped with a light source (9) and image generation units (16R, 16G, 16B) capable of generating images and provided along the optical path of the light from the light source, and controls a headlight device (7) provided with a pair of headlight units (3, 5) for illuminating the road surface with light (101, 105) for projecting the images, the headlight control device being characterized in that the images are generated by the image generation unit in a manner such that the first image (103) projected onto the road surface by one of the headlight units encompasses the second image (107) projected onto the road surface by the other of the headlight units.

The invention belongs to the technical field of anemometers, in particular to an anemometer for meteorological monitoring, which comprises a cylinder shell, a swinging mechanism, a wind measuring mechanism, a hydraulic mechanism and a measuring module, wherein the greater the rotating speed of a parabolic cone empty cup blown by the wind is, the shorter the distance of the parabolic cone empty cupstretching out of the cylinder shell is, further the shorter the distance of the first rotating shaft stretching out of the cylinder shell is; thus, the vibration amplitude generated when the first rotating shaft is blown by the wind is smaller, so as to protect the first rotating shaft indirectly. When the parabolic cone empty cup is subjected to special large-scale wind blowing, the parabolic cone empty cup can completely stretch into the cylinder shell, so as to achieve the purpose of protecting the parabolic cone empty cup; in addition, when the wind outside is small, the parabolic cone empty cup can move and restore out of the cylinder shell again to continue to measure the wind speed.

The invention belongs to the technical field of anemometers, in particular to a wind speed monitor, which comprises a cylinder shell, a swinging mechanism, a wind measuring mechanism, a measuring module and a one-way damping telescopic rod, wherein the greater the rotating speed of a parabolic cone empty cup blown by the wind is, the shorter the distance of the parabolic cone empty cup stretchingout of the cylinder shell is, further the shorter the distance of the first rotating shaft stretching out of the cylinder shell is; thus, the vibration amplitude generated when the first rotating shaft is blown by the wind is smaller, so as to protect the first rotating shaft indirectly. When the parabolic cone empty cup is subjected to special large-scale wind blowing, the parabolic cone empty cup can completely stretch into the cylinder shell, so as to achieve the purpose of protecting the parabolic cone empty cup; in addition, when the wind outside is small, the parabolic cone empty cup canmove and restore out of the cylinder shell again to continue to measure the wind speed. The wind speed monitor in the invention has simple structure and good use effect.

The invention belongs to the technical field of anemometers, and particularly relates to an anemometer for weather monitoring. The anemometer comprises a casing, a swinging mechanism, a wind measuringmechanism, a hydraulic mechanism and a measuring module, wherein the larger the rotating speed of a parabolic cone empty cup blown by the wind, the shorter the distance from which the parabolic coneempty cup extends beyond the casing, and the shorter the distance from which a first rotating shaft extends out of the casing, the smaller the amplitude of the vibration generated when the first rotating shaft is blown by the wind, thereby indirectly protecting the first rotating shaft. When the parabolic cone empty cup is subjected to a special large-scale wind blowing, the parabolic cone empty cup can completely enter the casing, which achieves the purpose of protecting the parabolic cone empty cup. In addition, when the wind has dropped outside, the parabolic cone empty cup can move and reset from the casing again for continuous measurement of the wind speed.

The invention relates to an overrun clutch capable of prolonging the service life. The overrun clutch comprises a driving shaft, a driving inclined fluted disc, a driven ring and rolling shafts. The driving shaft is fixedly connected to the driving inclined fluted disc, and the rolling shafts are arranged between the driving inclined fluted disc and the driven ring. The overrun clutch is characterized in that inward arcs and outward arcs are arranged on wedge surfaces of helical teeth of the driving inclined fluted disc. As the inward arcs and outward arcs are arranged on the wedge surfaces of the helical teeth of the driving inclined fluted disc and the center point of the driving inclined fluted disc and the centers of circles of the inward arcs and those of the outward arcs are on a same straight line, the arcs on the wedged surfaces of the helical teeth slide downward to loosen more quickly when the rotating speed of the driven ring surpasses that of the driving inclined fluted disc; the arcs on the wedged surfaces of the helical teeth are upward to lock more firmly when the rotating speed of the driving inclined fluted disc surpasses the driven ring. Moreover, a distance of about 20mm is needed for abrasion of 0.5mm high steps on the wedged surfaces as well, so that the service life of the overrun clutch is effectively prolonged.

The invention discloses a food filling bottle body conveying device with a bottle body anti-toppling and righting structure. The food filling bottle body conveying device comprises a shell fixing mechanism and a bottle body righting mechanism, wherein the bottle body righting mechanism is fixedly mounted in the shell fixing mechanism, and the shell fixing mechanism is fixedly mounted on a side baffle of a conveying belt. When a toppled bottle body passes through the bottle body righting mechanism through the conveying belt, the toppled bottle body cannot touch an arc-shaped limiting curved block due to the height of the toppled bottle body, so that a stop head righting column cannot retract into a fixed shell, the toppled bottle body is gradually stopped and righted by a slope check block while being conveyed, a rotating shaft is driven to rotate during moving, it is guaranteed that the bottle body is in the original position and cannot get over the slope check block, when the toppled bottle body is righted, the toppled bottle body can be in contact with the arc-shaped limiting curved block because of the height of the toppled bottle body, so that the upper end of the bottle body extrudes the arc-shaped limiting curved block, a V-shaped curved rod drives a rotating connecting rod to move, the stop head righting column is pulled back into the fixed shell, and the upright bottle body can be continuously conveyed.

The present invention provides a photoelectric mixed communication cable which comprises two light channels and two electric channels. Each of the light channels is formed by internal multimode optical fibers, a loose tube which sleeves the outer side of the multimode optical fibers, and fiber paste arranged in the gap between the multimode optical fibers inside the loose tube. Each of the electric channels is formed by a copper wire in the center and an insulation sleeve which coats the copper wire. The four channels are in a central symmetric arrangement. A soft steel wire reinforcement piece is respectively arranged at the center of the four channels and the adjacent part of every two channels. Wires and optical fibers are combined in one cable, a problem of difficult power taking in many places is solved, at the same time through respectively setting a soft steel wire reinforcement piece arranged at the center of the four channels and the adjacent part of every two channels, the strength and smoothness of the optical fiber and the cable can be ensured, thus the cables in a same office building or relatively near areas do not cross, the normal use of other cables is not influenced, and the optical path transmission efficiency is improved.

The invention relates to a control method of an electric tool. The electric tool comprises a motor and an output shaft rotationally driven by the motor, wherein the output shaft is used for outputtingrotating torque to drive a working head to work on a workpiece. The control method comprises the following steps of measuring a parameter which is changed along with time and is used for representinga load of the output shaft; obtaining a derivative of the parameter to the time; judging whether the derivative is greater than a derivative threshold value or not; when the derivative is greater than the derivative threshold, calculating an intercept according to the parameter value and the time value, and calculating a parameter threshold according to the intercept, the derivative threshold andthe time value; generating a control signal when a trigger condition is satisfied between the measured parameter value and the parameter threshold. The control method is advantaged in that the torqueoutput of the electric tool is interrupted according to the control signal, that a workpiece driven by a working head of the electric tool reaches a preset position is automatically ensured, and theworkpiece cannot further cross the preset position.

The invention relates to a mobile isolation fence, which is characterized by comprising a rack body, wheels and a rack body support, wherein the rack body is composed of an upper transverse tube, a lower transverse tube and a longitudinal support tube, which are fixedly connected with one another; the wheels are installed at the bottom of the rack body. The mobile isolation fence has the advantages of not only being capable of effectively isolating and storing cargoes so as to guarantee the cargoes to be sorted clearly, but also being capable of effectively isolating the field so as to guarantee vehicles not to cross randomly to reduce traffic accidents. According to the invention, operators can push at site due to the rolling wheels fixedly connected at the front of the fence; the isolation fence can land directly through the rack body support at the rear of the fence, and the rack body support plays a role in locating; according to the characteristic of heavy wind in port operation site, the isolation fence is formed by welding metal tubes, thus preventing from being blown down by wind. Furthermore, the isolation fence is provided with a large end and a small end, so that the isolation fences can be connected in series when being stored, the occupied area is greatly reduced, and the isolation fence is convenient for overall transportation.

The invention discloses a double-channel pipe in pipe which comprises an inner pipe and an outer pipe; the outside diameter of the inner pipe is smaller than the inside diameter of the outer pipe; thetwo ends of the inner pipe are provided with an inner inlet sleeve and an inner outlet sleeve respectively; each of the inner inlet sleeve and an inner outlet sleeve is provided with at least two positioning strips; a water channel is reserved between adjacent positioning strips; the two ends of the outer pipe are provided with an outer inlet sleeve and an outer outlet sleeve respectively; a portion of each of the outer inlet sleeve and the outer outlet sleeve extends into the outer pipe and is provided with a clamping block; the clamping blocks are matched with the end surfaces of the positioning strips in a length direction respectively so as to prevent the inner pipe from moving towards an outlet direction relative to the outer pipe along an axis; a portion of the inner outlet sleeve extends out of the outer outlet sleeve and is provided with a clamping groove; and the clamping groove is provided with a clamping ring so as to prevent the inner pipe from moving towards am inlet direction relative to the outer pipe along the axis. The double-channel pipe in pipe has the advantages that the device has a simple structure, the inner pipe and the outer pipe can be quickly assembled,and two relatively independent double channels are formed so as to facilitate connection with a double-channel four-way pipe and a double-channel faucet.

The invention relates to the weaving machinery field, and discloses a wire arrangement restraint device for warp yarn arrangement; the wire arrangement restraint device comprises a pedestal, a grid device and a compression roller I; the grid device allows yarns to pass; the compression roller I is arranged on a connecting arm I with one end connecting with the pedestal; the grid device is arranged on a connecting arm II with one end connecting with the connecting arm I; the connecting arm II extends to a direction opposite to the yarn forward direction; the connecting portion between the connecting arm II and the compression roller is also provided with a waist type through hole; the compression roller I passes the waist type through hole and is connected with the connecting arm II; the waist type through hole extends to the length direction of the connecting arm II; the connecting arm I is in an arc shape and extends along an arc curve; the pedestal also comprises a control stick. The advantages are that the wire arrangement restraint device for warp yarn arrangement can improve the yarn stability, thus providing high application values.