1427results about How to "Avoid mobility" patented technology

The invention discloses a user equipment (UE) access restriction method. The method comprises the following steps that: after receiving an access request of the UE, a network side carries position information of the UE when requesting policy and charging control (PCC) from a policy and charging rules function (PCRF); the PCRF determines whether the UE is in an allowable position area scope according to the position information of the UE and notifies the network side when the user equipment is not in an allowable position area scope; then the network side restricts the access of the UE. The invention also discloses a UE access restriction system for realizing the above method. In the invention, through carrying out access restriction management to the UE with a low mobility by a user plane network element, problems of mobility management and charging chaos caused by abnormal moving of the UE with the low mobility can be avoided. Simultaneously, the position information of the UE can be timely reported to a machine type communication (MTC) Server. And the MTC Server can timely process an abnormal mobile event of the UE.

The invention discloses a periscope camera module. The periscope camera module comprises a light steering mechanism, a lens mechanism and a photosensitive chip, wherein the light steering mechanism ismounted at a light incident side of the lens mechanism, the photosensitive chip is mounted at a light exit side of the lens mechanism, the light steering mechanism comprises a prism, a prism holder,a support shaft and a base, the prism holder is arranged in the base, the prism holder has a support surface opposite to the prism, the prism holder is further provided with a shaft seat, the shaft seat is arranged at the other side of the support surface opposite to the prism, the shaft seat is provided with a through shaft hole, the support shaft is rotatably arranged in the shaft hole, the support shaft is perpendicular to an optical axis of an optical lens in the lens mechanism, the support surface has two side walls, and the intersection portion of the support surface and the side walls is provided with a support table which projects in the direction away from the support surface and extends along an intersection line of the support surface and the side walls. The periscope camera module is advantaged in that the prism holder and the support shaft are adopted, the anti-shake effect can be achieved through the rotatable prism, the structure is simpler, and manufacturing and maintenance are easy.

The invention discloses a corn directional seeding method, a directional seed block manufacturing equipment and a device for seeding seed blocks, which aim to overcome the phenomenon that corn leavesare mutually interfered and shield sunlight, and enable the spreading direction of the leaves to be consistent and vertical to a ridge direction to improve planting density and yield. The method comprises the following steps: firstly manufacturing seed strips consistent to biological characteristics of corns, and directionally loading seeds onto carriers for directional seeding; and making germ surfaces of the seeds loaded onto the carriers parallel to the ridge direction, germs vertical to the ridge direction, tops of the seeds upward and the germ surfaces facing outsides of the seed blocks.The carrier seed block manufacturing equipment has the following structure: a directional module is arranged in a hole of a seed block template; the inside of the directional module is provided with aseed positioning slot hole and a seed pushing mandrel; a seed strip box and a feeding device are arranged above the seed block template; the height difference is controlled to complete seed positioning, material filling and demoulding. The device for seeding the seed blocks comprises a seed block passage, a seed feeding mechanism, a colter and a seed block charging mechanism. The method, the equipment and the device overcomes the defect that the leaves are disorderly arranged, and can greatly improve corn planting density to improve the yield and show the advancement of precision agriculture.

The invention belongs to the technical field of fracturing construction mechanization, and particularly provides a full-automatic liquid adding device for fracturing construction and an adding calibration method. The full-automatic liquid adding device comprises a prying frame, an engine, a transfer case, a hydraulic device, a liquid adding pump, a metering calibration tank, a liquid additive tank, a liquid supply pump and a control unit, wherein the input ends of the engine, the transfer case and the hydraulic device are sequentially connected; the output end of the hydraulic device is connected with the liquid supply pump and the liquid adding pump; the liquid supply pump is connected with an inlet of the liquid additive tank; an outlet of the liquid additive tank is sequentially connected with inlets of the metering calibration tank, the liquid adding pump and the liquid additive tank; the control unit is electrically connected with the engine, the transfer case, the hydraulic device, the liquid adding pump, the metering calibration tank, the liquid supply pump and the liquid additive tank; and the current situation that in the fracturing construction process, the liquid additive adding precision is large in adding difficulty and discontinuous is avoided, the mechanization and automation degree of fracturing construction is improved, meanwhile, the construction quality and potential safety hazards are effectively eliminated, and the construction success rate is increased.

A method, system and apparatus for saving energy for a base station are applied to the field of communication technology. The energy-saving method comprises: sending a second activation request to a capacity boosting base station if the number of user equipment which sends service requests in the coverage area of a coverage base station is higher than a first threshold value, wherein the second activation request is used for requesting the capacity boosting base station which is in a dormant state to go from the dormant state to an intermediate state and the intermediate state indicates that in the intermediate state, the capacity boosting base station bears user equipment in a connection state but does not bear user equipment in an idle state; and shifting the connection of the user equipment to the capacity boosting base station in the intermediate state after the capacity boosting base station goes into the intermediate state. The invention further provides an apparatus and system for realizing the method.

The invention relates to a large-caliber high-gradient optical mirror surface on-line measuring system which comprises an optical fiber light source, a converging light path light split system, a replaceable measuring grating, a high-precision plane reflecting mirror, a large-caliber high-gradient optical mirror surface, a digital CCD (Charge Coupled Device) and a computer information processing system. In the invention, after light emitted out from a numerical aperture optical fiber light source passes through the measuring grating, a group of shadow fringes is generated, and after passing through the converging light path light split system and the high-precision plane reflecting mirror, the shadow fringes are projected onto the large-caliber high-gradient optical mirror surface and then reflected back by the large-caliber high-gradient optical mirror surface according to the original path; when the shadow fringes pass through the high-precision plane reflecting mirror and the converging light path light split system, another light path is generated, and a conjugate image of the light source is generated in the light path; after the conjugate image is acquired by the digital CCD, the conjugate image is transmitted to a computer and analyzed and processed by the computer information processing system; and the surface shape error of the large-caliber high-gradient optical mirror surface is worked out through comparing the deviations between the returned image and an ideal image.

The invention relates to the technical field of battery lamination, particularly to an integrated cell laminating machine and a cell laminating method. The integrated cell laminating machine comprises a laminating station, wherein the laminating station comprises a rotary plate, a rotary plate rotating apparatus arranged below the rotary plate for driving the rotary plate to rotate, and multiple laminating apparatuses uniformly arranged on the rotary plate for performing lamination; each laminating apparatus comprises a laminating rotary platform, a laminating power mechanism for driving the laminating rotary platform to swing in a vertical plane, and a first attraction mechanism and a second attraction mechanism which are symmetrically arranged on the two sides of the laminating rotary platform for attracting and driving a positive plate and a negative plate to swing in a vertical plane, and a diaphragm material-releasing mechanism mounted above the laminating rotary platform for supplying diaphragms, wherein each laminating power mechanism is positioned at the bottom of the corresponding laminating rotary platform; and the swinging track of the laminating rotary platform is externally tangent with the swinging track of the corresponding first attraction mechanism and second attraction mechanism. The integrated cell laminating machine has high laminating efficiency, high laminating precision and good laminating quality.

The invention discloses precision hole processing equipment for a thin-wall casing type part. An equipment body is installed on the outer side of the casing type part, a base is arranged on the bottomof the equipment body, a vertical rod is installed on the middle of the base, internal fixators are installed on the circumference of the top end of the vertical rod, a screw rod is installed on thetop of the vertical rod, and a convex edge is arranged at the top end of the screw rod. A sliding sleeve is arranged on the outer side of the screw rod in a sleeving mode, top fixators are installed on the circumference of the sliding sleeve, and bottom fixators are installed on the outer side of the base. According to the precision hole processing equipment for the thin-wall casing type part, thescrew rod and the sliding sleeve are cooperatively used, the sliding sleeve can drive the top fixators to move up and down on the screw rod, the top end of the casing part is fixed and prevented frommoving in the vertical direction, meanwhile, flexible adjustment can be carried out according to parts with different heights, simplification and practicality are achieved, and the application rangeof the equipment body is expanded.

The invention provides a mobile robot path planning method and system. The method comprises the following steps: starting a mobile robot through a starting unit, reading and loading an electronic map with coordinate information, reading a preset track configuration file by a file reading unit, generating a parallel virtual track within the preset distance according to the track configuration file by a virtual track generation unit, and determining the path of the mobile robot by a path determination unit according to the current position and target position of the mobile robot and the generated virtual track. After the parallel virtual track within the preset distance on the electronic map with coordinate information is generated according to the artificially preset track configuration file, the path of the mobile robot moving from the current position to the target position via the virtual track is determined according to the current position and target position of the mobile robot and the generated virtual track, thereby preventing the mobile robot from moving closely along the wall surface or impediment, and enhancing the motion efficiency of the mobile robot.

A straight traveling hydraulic circuit is provided. In case of performing a combined operation in which a fine operation of a working device and a fine traveling of a traveling device are simultaneously required, the straight traveling hydraulic circuit can allow the working device and the traveling device to operate independently, and thus prevent a declination or sudden traveling of the equipment. In case of performing the combined operation by simultaneously operating the traveling device and the working device, first and second center bypass shifting valves installed on the lowermost stream side of first and second center bypass passages are shifted by a pilot signal pressure that shifts a straight traveling valve installed on an upper stream side of the second center bypass passage, so that the degree of opening of the first and second center bypass passages is reduced to operate the working device and the traveling device independently.

The invention discloses a picture identifying code generating method which comprises the following steps: identifying code characters are generated at random; the space position of all identifying code characters in a picture area is generated, and the longitudinal initial position of a first character in the picture area is generated at random; according to the longitudinal termination position of a previous identifying code character, the longitudinal initial position of a next identifying code character in the picture area is generated, thereby ensuring that two adjacent characters have a longitudinal lapping part in the picture area; on the basis of all generated identifying code characters and the space position thereof, a picture identifying code is generated. The invention also discloses a picture identifying code generating device which comprises an identifying code character generating unit, a space position generating unit connected with the identifying code character generating unit and a picture identifying code generating unit connected with both units. The method and the device are difficult to break but are easy to realize.

The invention discloses a multifunctional fluid mechanics experimental device. The multifunctional fluid mechanics experimental device comprises a water source, a reynolds experiment pipe, a Bernoulli experiment pipe, an on-way resistance pipe, a local resistance pipe, a valve local resistance measuring pipe, a pitot pipe, a Venturi meter, an orifice plate flowmeter, a piezometer pipe, a measuring groove, selection valves and adjusting valves; the reynolds experiment pipe, the Bernoulli experiment pipe, the on-way resistance pipe, the local resistance pipe, the valve local resistance measuring pipe, the Bernoulli experiment pipe, the venture meter and the orifice plate flowmeter form into six testing pipe sections in a parallel mode; the selection valves are installed at inlet sections of the experiment pipe sections; the inlet sections of the experiment pipe sections are connected with a water source through the selection valves; the adjusting valves are installed at outlet sections of the experiment pipes; the outlet sections of the experiment pipes are connected with the measuring groove through the adjusting valves. According to the multifunctional fluid mechanics experimental device, the separated experiment pipelines are integrated in one experiment device, frequent assembling and disassembling is avoided, leakage is reduced, the experiment pipelines are clear at a glance and not easy to mix, and user understanding of the experimental principle is facilitated.

The invention discloses an intracardiac implant and a fixing method thereof. The intracardiac implant comprises a columnar shell, clamping parts and a hook body, wherein the shell has a side wall and two ends, the clamping parts are located at at least one end of the shell and used for being connected with an operation catheter, the hook body is installed on the side wall of the shell and comprises a fixed end on the side wall and a free end extending from the fixed end, the shell axially rotates around the shell under the operation of the operation catheter, the hook body is stretched out or drawn back in the radial direction of the shell in different rotating directions, the free end of the hook body pierces into and hooks up and holds myocardium in the stretched-out state, and therefore the intracardiac implant is fixed to the myocardium. The myocardium is fixed in a shell rotating mode, the fixing mode is easy and convenient to operate and stable and reliable, and therefore the safety and practicability of the intracardiac implant can be improved.

The invention discloses a pipeline fixing device for building construction. The pipeline fixing device for the building construction comprises a base, a lifting assembly is arranged inside a first cavity, a supporting table is connected to the upper end of the lifting assembly, a linkage assembly is arranged in a second cavity, hollow stand columns are symmetrically arranged at the upper end of the supporting table left and right, an adjusting assembly is connected to the middle of a first rotating shaft, and first fixing plates are fixedly connected to the other end of a fixing rod. A supporting base descends to support the ground, the stability of the device is improved, meanwhile, the descending height of the supporting base can be adjusted according to different height differences of the two sides of the ground to enable the two sides of the device to be horizontal, the first fixing plates on the left and right sides are driven by the linkage assembly and the adjusting assembly toclamp and fix a pipeline, the using effect and service life of the pipeline are improved, meanwhile, the distance between the first fixing plates on the two sides can be adjusted according to specifications of different pipelines to be fixed, the pipeline is driven to ascend and descend through the lifting assembly, the height can be adjusted according to the actual requirement for the distance between the pipeline and the ground, the pipeline can be repeatedly fixed and used, construction cost is reduced, and practicability is high.

The invention discloses a device for eliminating warping rebound of a side wall of a stamped component. The device comprises a concave mould and a convex mould matched with the concave mould, and is characterized in that a pressing plate connected with a pressing plate nitrogen cylinder is arranged inside the concave mould; a positioning heave is arranged on a contact surface of the concave mould and a metal sheet; an edge pressing ring connected with an edge pressing ring nitrogen cylinder is arranged on the outer side of the convex mould; a positioning groove matched with the positioning heave is arranged on a contact surface of the edge pressing ring and the metal sheet; the distance from an initial position of the edge pressing ring before working to a base is Lmm. The invention further provides an edge pressing technology using the device. In the edge pressing technology, based on distribution characteristics of an internal stress in the metal sheet stamping process and a warping rebound forming principle, the warping rebound of the side wall of the stamped component is effectively eliminated by controlling the stroke of the edge pressing ring and the flow of a material on the metal sheet; in particular for stamped components of a high-strength steel plate and an aluminum plate, the edge pressing technology has the advantage that the rebound can be effectively eliminated without relatively high deformation.

The invention discloses a processing device and a processing method of a simulated groove in the inner wall of a conical water inlet pipe of a water pump. The processing device comprises a supportingmechanism, a processing mechanism, a rotating mechanism and a feeding machine, wherein the supporting mechanism is arranged at the outer part of the rotating mechanism; an output end of the rotating mechanism is connected with one end of the processing mechanism; the other end of the processing mechanism is connected with an action end of the feeding mechanism; one end of the supporting mechanismis defined as a front part, and one end of the feeding mechanism is defined as a rear part. The processing method comprises the following steps: fixing well a pipeline requiring to be processed, and regulating the feeding mechanism until a cutting tool assembly arrives a to-be-processed position; regulating the shape of a supporting frame, and enabling the supporting frame to press the inner wallof the pipeline; regulating a cutting blade of a cutting tool to be in contact with the inner wall of a to-be-processed pipeline; starting a rotating part, and starting to process a groove in the inner wall of the pipeline; repeating the operation, thus realizing continuous processing of the simulated groove in the to-be-processed pipeline. The processing device and the processing method, disclosed by the invention, have the beneficial effects that an application range is extremely wide, and the processing device and the processing method are not influenced by the size of a pipe wall; a self-locking function is obtained, and the accuracy is higher; the processing quality is high.

The invention provides a lithium-ion battery silicon carbon negative electrode material and a preparation method thereof. The preparation method of the lithium-ion battery silicon carbon negative electrode material comprises the following steps: S1, after mixing a silicon source and a solvent, wet grinding is performed under an oxidizing condition to form an oxide layer on the surface of the silicon source, wherein the mass of oxygen element accounts for 9.8% to 14% of the mass of the silicon source, and a slurry is obtained; S2, the slurry obtained in step S1 is compounded with a carbon material and dried to obtain a silicon carbon core material; S3, the silicon carbon core material obtained in step S2 is subjected to a fusion process treatment, and then mixed with a carbon coating material uniformly, and then calcined at a high temperature to be shaped; and S4, the material obtained in step S3 is crushed and sieved to obtain the silicon carbon negative electrode material. According to the invention, controlled oxidation of nano-silicon is realized during the wet grinding process, so that an oxide layer is formed on the surface of the silicon source; and the presence of the oxidelayer avoids side reactions between the silicon source and the electrolyte, and reduces the phenomenon of electrochemical agglomeration during the cyclic process at the same time; therefore, the cyclestability of the silicon carbon negative electrode material is significantly increased.

The invention discloses a nondestructive stem-removal picking bionic gecko distinguishable pick-up and screening vehicle of a crabapple and belongs to the technical field of crabapple picking machines. The vehicle comprises a light moving mechanism, a flexible fruit stem clamping and nondestructive conveying picking mechanism, an extension steering device, a nondestructive protection stem-removaldevice, a simulating gecko foot bristle distinguishable pick-up delivery mechanism, a turnover cleaning purification mechanism and a rotary sliding-down screening mechanism, wherein the turnover cleaning purification mechanism, the extension steering device and the rotary sliding-down screening mechanism are arranged on the light moving mechanism; the simulating gecko foot bristle distinguishablepick-up delivery mechanism is arranged at the front end of the turnover cleaning purification mechanism and the light moving mechanism; the flexible fruit stem clamping and nondestructive conveying picking mechanism is arranged on the extension steering device; and the nondestructive protection stem-removal device is arranged on the flexible fruit stem clamping and nondestructive conveying pickingmechanism. The nondestructive stem-removal picking bionic gecko distinguishable pick-up and screening vehicle of the crabapple achieves dislocation stirring for nondestructive picking, absorption pick-up, nondestructive cleaning and roll screening.

The invention discloses a stationary type safety hammer, comprising a hammer head, wherein the hammer head is connected with the top of an elastic connecting rod; and the bottom of the elastic connecting rod is sleeved in a fixed base by a revolving shaft and can rotate in the fixed base. The stationary type safety hammer is simple and compact in structure, is fast and easy to operate, and has the advantages of low cost, wide scope of application, good adjustability, high safety and the like.

The invention relates to a construction method for roadbed filling and a device thereof, which belong to the technical field of roadbed filling. The device comprises a body; a cross beam is arranged on the body; a shovel blade is arranged under the cross beam; the shovel blade comprises a first scraper and a second scraper arranged and fitted in parallel to the first scraper; a first sliding chuteand a second sliding chute which are perpendicular to the cross beam are formed on the cross beam; a first slider which is connected in the first sliding chute in a sliding manner is arranged on thefirst scraper; a second slider which is connected in the second sliding chute in a sliding manner is arranged on the second scraper; the first slider and the second slider are respectively located atthe middle parts of the first scraper and the second scraper; and fixtures used for respectively fixing the first slider and the second slider to any position in the first sliding chute and the secondsliding chute are arranged on the first sliding chute and the second sliding chute. By driving the first scraper and the second scraper to get close to or away from each other, the length of the whole shovel blade is adjusted, thereby being suitable to the leveling operation of roadbeds with different widths, improving the efficiency in roadbed leveling and saving the cost.

The invention belongs to a positioning test fixture, and particularly relates to an automobile buckle insertion and extraction force and stress-strain test fixture. The test fixture comprises two parts including an insertion force fixture and an extraction force fixture corresponding to the insertion force fixture; the insertion force fixture comprises an insertion force fixture clamping block connected with a test machine, a first body, a second body, a third body, fixed sliding blocks and pressing circular plates; and the extraction force fixture comprises an extraction force fixture clamping block, an extraction force supporting assembly, a fixed baffle, a clamping device, a rotating knob and a clamping force adjusting round rod. The fixture is used during testing of stress-strain performance of an automobile buckle, and can clamp and position the buckle well during testing of the stress-strain of the automobile buckle, and slots in different models are formed in an H-shaped plate, so that buckles in various models can be tested. The test fixture is reasonable in structural design and convenient to operate; and the insertion and extraction force performance of plastic buckles can be tested accurately.

The invention discloses a charge port device of a new-energy automobile. The charge port device comprises a fixed base and a charge port support movably installed on the fixed base, wherein a charge port is installed on the charge port support; the charge port device also comprises a stop unit for unidirectional braking of the fixed base and a stop deflector pulling ring used for controlling the stop unit, and a reset unit or a transmission unit used for driving the charge port support to slide along the fixed base is arranged between the fixed base and the charge port support; when the resetunit is adopted, it is needed to manually pull a spring pulling ring on the charge port support to pull out the charge port support; the transmission unit comprises a gear and a second rack in meshingtransmission; and the gear is in transmission connection with a motor. Through the charge port device of the new-energy automobile, the problem that a charge port is excessively close to the interiorof a body and cannot be suitable for all charge guns conforming to laws and regulations is solved; and meanwhile, surface modeling characteristics of the automobile provided with the charge port device can be protected, pedestrian protection is realized, and the convenience of charge operation is enhanced.