35results about How to "Avoid swiping again" patented technology

The invention relates to a walnut cleaning machine. The walnut cleaning machine comprises a cleaning box and a transmission box, a fixation device is arranged on the opposite side walls of the cleaning box, the fixation device comprises first bearing seats and second bearing seats, a first bearing is installed in each first bearing seat, a sliding key is fixed on the inner wall of each first bearing, a key groove is formed in each first rotating shaft in the axial direction, and the sliding keys are installed in the corresponding key grooves in a sliding mode; a first core hole is formed in one end of each first rotating shaft, a second rotating shaft is rotatably installed in each second bearing seat, a second core hole is formed in one end of each second rotating shaft, and the first core holes and the second core holes are all regular polygon holes; a brush roller is installed in each first core hole and the corresponding second core hole; a cleaning device is arranged on the lower sides of the brush rollers, a locking device is arranged between each first rotating shaft and the corresponding roller body, and a screening device is arranged in the cleaning box. According to the walnut cleaning machine, replacing of brush rollers is easy, the assembling precision of a machine is not affected, and the cleaning effect on walnuts is good.

The invention discloses a method for verifying BIOS (basic input output system) integrality in out-of-band BIOS refreshing. The method is applied to a substrate management controller and includes: after acquiring a BIOS mirror image file, judging whether a second ciphertext stored in the BIOS mirror image file can be decrypted by a pre-determined secret key or not, and if yes, further judging whether a first Hash value obtained by decryption is identical to a second Hash value generated by data calculation in a first area of the BIOS mirror image file or not. Compared with the prior art in which whether the BIOS mirror image file is completed or not is judged only through a check code generated by an original BIOS mirror image file, the method has advantages that by twice judgment, high safety is realized, the problem of failure in server starting after refreshing of the BIOS mirror image file due to the fact that the BIOS mirror image file along with the check code is maliciously tampered in a transmission process is avoided, safety in out-of-band BIOS refreshing is improved, and smoothness in server operation is realized. The invention further provides a device for verifying BIOSintegrality in out-of-band BIOS refreshing and a computer readable storage medium.

The invention provides a surrounding type welding device for water conservancy pipeline machining and a welding process of the surrounding type welding device, and relates to the technical field of welding devices. The problems that although an existing device can achieve annular welding, the cooling effect at a welding seam position is slow, and the welding quality is difficult to observe due to large smoke in the welding process are solved. According tp the surrounding type welding device for water conservancy pipeline machining and the welding process of the surrounding type welding device, the device comprises a base, the base is placed on the ground, a rotating shaft is rotatably connected to a seat body, three blades are installed on the rotating shaft, and the blades are aligned to butt joint positions of two pipes; a gear A is mounted on the rotating shaft; and a gear B is installed on the rotating shaft and meshes with the gear A, and the gear ratio of the gear B to the gear A is 5: 1, so that cooling and smoke blowing can be automatically achieved in the annular welding process.

The invention provides an outer fin heat exchange tube with a spiral inner core, and relates to the technical field of heat exchange. The manufacturing method comprises the following steps of S1, acquiring the spiral inner core: (1) processing into a longitudinal fin profile by adopting a hot extrusion way; and (2) applying rotational torque to the profile extruded at a constant speed through a rotation-shearing tool according to a rotational speed corresponding to a designed screw pitch while the profile is relatively hot and easy to deform, so that a longitudinal fin is spirally deformed toobtain the spiral inner core; S2, compounding the spiral inner core and a base tube: (1) obtaining a cored base tube by a thermal expansion and cold contraction or rolling compounding method; and S3,compounding the cored base tube and an outer fin sleeve: (1) manufacturing an outer sleeve by adopting a hot extrusion way; (2) performing contact-type inserting of the cored base tube in the outer sleeve when the outer sleeve is relatively hot and the internal diameter of the outer sleeve is relatively large, and compounding the outer sleeve and the cored base tube when the outer sleeve is subjected to thermal expansion and cold contraction; and (3), extruding the outer fin on the outer sleeve to manufacture the outer fin heat exchange tube with the spiral inner core. The outer fin heat exchange tube with the spiral inner core overcomes the defects that in the prior art, the length of a corrugated inner fin of a heat exchange tube is limited, trash needs to be cleaned in soldering, the production cost is high, the cycle is long, and the application range is limited.

The invention discloses a protective device for a hot galvanizing technology. The protective device comprises a hot galvanizing tank body, the hot galvanizing tank body is horizontally placed, elongated slots are arranged in the top end of the hot galvanizing tank body along the border, a separator plate is inserted into every elongated slot, every separator plate is longitudinally arranged, a limiting block is arranged at the upper ends of the separator plates, the limiting block is arranged on the outer sidewalls of the separator plates, a position just below the limiting block is fixedly connected with an electric telescopic rod, the electric telescopic rod is longitudinally arranged, the lower end of the electric telescopic rod is fixedly connected with a base, the base is fixedly connected with the outer wall of the hot galvanizing tank body, a baffle plate is arranged above the elongated slots, and the baffle plate is hinged to the border of the top end of the hot galvanizing tank body. The device can achieve effective and quick protection in the hot galvanizing process, so the safety of construction personnel is effectively protected, and the working efficiency is improved.

The invention discloses a BIOS updating method and device, equipment and a medium, and the method comprises the steps: obtaining a target updating file from a target storage unit, wherein the target updating file comprise a target BIOS mirror image file and a first BIOS digital signature of the target BIOS mirror image file; performing matching signature verification on the first BIOS digital signature by utilizing a second digital signature in an upgrading tool of a BIOS configuration interface, wherein the second digital signature is a digital signature of the target BIOS mirror image file;and if the signature verification is passed, updating the current BIOS to be updated by utilizing the target BIOS mirror image file. Thus, the second digital signature in the upgrading tool of the BIOS configuration interface is used for verifying the signature of the obtained target BIOS mirror image file, the safety and uniqueness of the obtained target BIOS mirror image file are guaranteed, other mirror image files can be prevented from being swiped in the BIOS updating process, and therefore the safety of BIOS updating is guaranteed.

The invention provides a ligament changing traction device based on track and field training, relates to the technical field of physical training equipment, and solves the problem that ligament stretching in various modes cannot be realized through structural improvement. The problems that a sliding structure is prone to collision, collision protection of the sliding structure cannot be achieved through structural improvement, and normal sliding of the sliding structure is not affected after the protection structure is collided are solved. The ligament changing traction device based on track and field training comprises a sliding seat structure; a stretching structure is installed on the sliding seat structure, and a graduated scale is further installed on the sliding seat structure. Through arrangement of a through hole and a baffle, the through hole is formed in a sliding plate, and the through hole is of a rectangular hole-shaped structure; and the through hole is slidably connected with the baffle and is not in contact with the top end face, the bottom end face, the left end face and the right end face of the baffle, and therefore the situation that sliding of the sliding plate is blocked due to slight deformation of the baffle can be prevented.

The invention discloses a method for verifying legality of a BIOS during out-of-band refreshing of the BIOS. The method is applied in a substrate management controller. The method includes: acquiringa BIOS mirror image document and a secret key; judging a ciphertext is stored in the BIOS mirror image document or not; if yes, judging whether the secret key can decipher the ciphertext or not, if yes, applying the BIOS mirror image document to refresh the BIOS, and if not, prohibiting applying the BIOS mirror image document to refresh the BIOS; if not, prohibiting applying the BIOS mirror imagedocument to refresh the BIOS. By the method, the BIOS mirror image document is ciphered before transmission and then deciphered, so that the substrate management controller is avoided flushing wrong and illegal BIOS mirror image documents, and smooth running of a server is ensured. The invention further provides a device for verifying the legality of the BIOS during out-of-band refreshing of the BIOS and a computer readable storage medium. The device has the above advantages, which will not be repeated here.

The invention provides a piling device for constructional engineering and a piling device connecting structure, and relates to the technical field of construction machinery. The problems that automatic cleaning of soil on a pile rod cannot be synchronously realized, meanwhile, shaking-off of the soil on the pile rod cannot be realized through structural improvement, and rapid installation of the pile rod and effective protection during placement cannot be achieved through structural improvement are solved. The piling device for constructional engineering and the piling device connecting structure comprises a mounting base, wherein a pile rod structure is mounted on the mounting base, a cleaning structure is further mounted on the mounting base, and an auxiliary structure is further mounted on the mounting base. The inner walls of connecting plates are in contact with the outer side of connecting seat A, and the two connecting plates jointly form an auxiliary fixing structure of the connecting seat A; the bottom end faces of the connecting plates are lower than the bottom end faces of clamping protrusions A, the two connecting plates further form a protection structure of the clamping protrusions A, and therefore the clamping protrusions A can be prevented from being collided and damaged during placement.

The invention provides a painting device based on the whole household wood set and capable of achieving angle limiting and diffusion prevention and relates to the field of household board painting devices. By means of the painting device, the problems that the painting efficiency cannot be improved or the painting range cannot be widened through reciprocating motion of wood boards and limited oscillation of a spray head, and floating paint granules cannot be sucked automatically in a linked manner when a box door is opened are solved. The painting device based on the whole household wood set and capable of achieving angle limiting and diffusion prevention comprises a box body and mounting seats. A part fixing seat is connected to the box body in a sliding manner. Due to engagement of an incomplete gear and a gear set, when the incomplete gear is driven by a rotating shaft to rotate, the part fixing seat is in the reciprocating motion state, and thus, the part fixing seat can cooperatewith a painting mechanism to widen the paint spraying range; and a rectangular frame is welded to the part fixing seat, a threaded rod is in threaded connection to the rectangular frame and is in contact with the top end face of a force-bearing block, when the threaded rod performs reciprocating motion along with the part fixing seat, a painting seat is in the reciprocating swing state, and therefore, reciprocating spraying can be achieved.

The invention discloses a logistics transportation automatic sorting line. The bottom faces of the connecting positions of a first conveying plate and a second conveying plate of a conveying device of the logistics transportation automatic sorting line are hinged through a hinge, and the two conveying plates are connected through a telescopic pipe. A lifting ring is fixed to the bottom face of the output end of the second conveying plate. One end of a steel cable is tied on the lifting ring, and the other end of the steel cable is wound around a roller. A forked strip plate is further included, a U-shaped long-strip-shaped gap is arranged at one end of the forked strip plate, the other end of the forked strip plate is hinged to a machine shell, and a butterfly nut is screwed at the free end of a hinged shaft. A screening device of the logistics transportation automatic sorting line comprises a longer first conveying belt and a shorter second conveying belt, and the two conveying belts are connected in parallel. A fan is arranged on one side of the first conveying belt, and a first goods receiving bin is arranged on the other side of the first conveying belt. Pressure sensors are arranged below the first conveying belt and the second conveying belt. A hydraulic rod and a second goods receiving bin are arranged at the two ends of the straight line formed by arranging the pressure sensors below the two conveying belts. The sorting line is flexible in conveying and extremely high in sorting efficiency.

The embodiment of the invention provides a message processing method for a live broadcast room and a related product, and the method comprises the steps that UE monitors a registered group event of alive broadcast room, and the group event monitoring is used for notifying a new user joining the live broadcast room; if monitoring that new users join the live broadcast room, the UE acquires the number x of the new users and x joining times corresponding to the x new users; and the UE determines a display strategy of the notification message of the new user according to the number x and the x joining times. The technical scheme provided by the invention has the advantage of high user experience.