Abstract: A uracil compound containing a carboxylate fragment, a preparation method therefor, and a herbicidal composition and use thereof are provided. The preparation method includes a contact reaction between a carboxylic acid compound and different substituted alcohol, halogenated, or sulfonate compound in a presence of a solvent. The uracil compound containing a carboxylate fragment provided by the present invention has better herbicidal activity compared with the prior art.

Abstract: This disclosure relates to a method for managing installation of applications, where the method includes receiving, from a first computing device associated with an administrator of an organization, a pin request to attach an application, provided by an application store platform, with a version of the application, initiating, in response to the pin request, transfer of a copy of the version of the application from the application store platform to a data storage device, generating an application identifier that identifies a location of the version of the application stored in the data storage device, and transmitting installation data to a second computing device that is managed by the organization. The installation data includes the application identifier, which is used by the second computing device to install the version of the application from the data storage device.

Abstract: The disclosure discloses an aluminum alloy material smelting device, comprising a furnace, a cutter packing device with a stirring shaft, a packing basket, a cutter-type stirring head, the stirring shaft connected with the packing basket, the bottom of the packing basket connected with a cutter-type stirring head, the cutter-type stirring head comprising a plurality of stirring blades, one end of the stirring blades connected with the bottom of the packing basket, the other end connected with each other on the central axis of the packing basket, and the side wall of the packing basket provided with a liquid passage hole to form liquid exchange with the solution outside the packing basket; the rotation of the cutter-type stirring head forming a solution vortex to accelerate the diffusion of added elements, and the vortex only formed under the stirring head, which will not damage the covering film formed on the surface of aluminum alloy, effectively prevent the scum on the surface from being involved in the sol

Abstract: The present disclosure discloses the use of Tegaserod or a pharmaceutically acceptable salt thereof as a JAK-STAT3 signaling pathway inhibitor and an immunomodulator in the preparation of an anti-tumor drug. Tegaserod and the pharmaceutically acceptable salt thereof show a very excellent inhibitory effect on the growth of various tumor cells in vivo and in vitro, and are expected to be used in the treatment of various cancers.

Abstract: A fixture for suppressing tool vibration on an outer rim, wherein a pressure claw base, an end face block and a base are installed on the chuck, and the pressure claw is installed on the chuck; a lower pressure plate is fixed on the base, limiting columns and an upper pressure plate are installed on the lower pressure plate, with steel balls and a rubber strip being enclosed in a space formed by the lower pressure plate and the upper pressure plate; and a rubber strip is enclosed in an annular groove formed by a jaw A and a jaw B, and can move radially in the groove. The fixture in the present invention is configured to counteract the vibration of the wheel rim during machining, and thus can effectively eliminate the problem of tool vibration on the outer rim.

Abstract: Disclosed is a secondary clamping device for a wheel. Two bearings and a spacing ring are closed in a base by a bearing end cover, a shaft sleeve is mounted on the bearings, a linear bearing and a gland are fixed on the shaft sleeve, a positioning pin is fixed at the top of the floating shaft, two ends of the spring A are respectively connected with the positioning pin and the linear bearing, and the positioning pin can move up and down under the action of the spring A. A pull rod is fixed on the gland, the outer wall of the floating column is connected with the inner hole of the shaft sleeve, two ends of the spring B are respectively connected with the gland and the floating column.

Abstract: A milling fixture for forged wheel includes a connecting plate installed on a milling machine table, a linear bearing installed on the connecting plate, a small diameter end of a positioning rod penetrates through a spring and a linear bearing, and a limiting screw installed on a side wall of the linear bearing and connected with the positioning rod. Under the coaction of the spring and an external force, the positioning rod is configured to move in the linear bearing. Bidirectional threaded rods are uniformly installed on a bottom plate, one end of each of the bidirectional threaded rods penetrate through pressure claws, the pressure claws are sandwiched between compression nuts and the connecting plate. The fixture can meet the requirement for milling a forged wheel, and at the same time, has the characteristics of a simple structure, is convenient to manufacture, provides stable performance and is low cost.

Abstract: The present application discloses a wheel bolt pressing device, which includes a frame, a servo motor, a connecting shaft, a bottom plate, a mounting base, a cylinder, a support, a spring A, a pull pin, a limiting sleeve, a thrust bearing, a bracket, a bolt, a strong magnet, a bolt mounting rack, a large linear bearing, a guide shaft, a press-down cylinder, a cylinder flange, a balancing stand, a guard, rollers, a mounting shaft, a mounting rack, contacts, an elastic rubber band, a holder, pin rolls and the like. The device may meet the requirement of a wheel for pressing bolts on line in use, which has ideal effect, high efficiency, and high automation degree. In addition, the wheel bolt pressing device is safe and reliable in work, and is particularly suitable for batch production in production lines.

Abstract: Disclosed is a wheel flange detection device. A positioning column and a linear guide rail are mounted on a flange plate, a connecting plate is connected with the linear guide rail via a guide rail sliding seat, a shaft sleeve is fixed on the connecting plate, and a dial indicator is fixed on the shaft sleeve via a lock sleeve; the upper side wall of the shaft sleeve is a conical surface, and is matched with an inner hole conical surface of the lock sleeve; threads are formed in the middle of the side wall of the shaft sleeve and matched with threads of the inner hole of the lock sleeve; 12 groups of vertical slots are formed in the upper side wall of the shaft sleeve.

Abstract: The present application discloses a wheel runout detection device. A synchronous gear B is mounted on the output shaft of a servo motor, a synchronous gear A is connected with the synchronous gear B via a synchronous belt, a flange, an expansion sleeve and a cylinder are mounted on a flange plate, and two ends of a connecting shaft are respectively connected with the output shaft of the cylinder and an expansion core. The servo motor drives the flange, the expansion sleeve and the wheel to rotate via the synchronous gear A, the synchronous belt and the synchronous gear B. The device may meet the requirement of wheel runout detection in use, and has the characteristics of ideal effect, high efficiency and high working safety and reliability.

Abstract: Disclosed is a double-station printing device for printing a steel grade on rims, comprising a first station driving cylinder, a second station driving cylinder, a second moving platform, sensor supports, visual sensors, support frames, lifting cylinders, guide posts, lifting platforms, steel grade printers and the like. In the working process of the device, a wheel inlet roller bed continuously feeds wheels, and a first station and a second station alternatively receive the wheels, thereby avoiding long-time waiting of the wheels on the wheel inlet roller bed.

Abstract: A wheel blank inspection device is composed of a rack, a lower adjusting guide rail, a lower adjusting cylinder, a first left sliding table, a first gear rack, a first right sliding table and the like. A wheel rotates a circle at a low speed, when a first piezoelectric sensor, a second piezoelectric sensor and a third piezoelectric sensor do not pick up signals and probes of a first intelligent meter, a second intelligent meter and a third intelligent meter are in a compressed state all the time, the wheel blank is qualified, otherwise, the wheel blank is deformed greatly and unqualified. After inspection, the qualified blank enters a normal lower transfer roller bed, and the unqualified blank enters a reject roller bed.

Abstract: A fixture for suppressing tool vibration on an outer rim, wherein a pressure claw base, an end face block and a base are installed on the chuck, and the pressure claw is installed on the chuck; a lower pressure plate is fixed on the base, limiting columns and an upper pressure plate are installed on the lower pressure plate, with steel balls and a rubber strip being enclosed in a space formed by the lower pressure plate and the upper pressure plate; and a rubber strip is enclosed in an annular groove formed by a jaw A and a jaw B, and can move radially in the groove. The fixture in the present invention is configured to counteract the vibration of the wheel rim during machining, and thus can effectively eliminate the problem of tool vibration on the outer rim.

Abstract: A milling fixture for forged wheel includes a connecting plate installed on a milling machine table, a linear bearing installed on the connecting plate, a small diameter end of a positioning rod penetrates through a spring and a linear bearing, and a limiting screw installed on a side wall of the linear bearing and connected with the positioning rod. Under the coaction of the spring and an external force, the positioning rod is configured to move in the linear bearing. Bidirectional threaded rods are uniformly installed on a bottom plate, one end of each of the bidirectional threaded rods penetrate through pressure claws, the pressure claws are sandwiched between compression nuts and the connecting plate. The fixture can meet the requirement for milling a forged wheel, and at the same time, has the characteristics of a simple structure, is convenient to manufacture, provides stable performance and is low cost.

Abstract: A wheel blank inspection device is composed of a rack, a lower adjusting guide rail, a lower adjusting cylinder, a first left sliding table, a first gear rack, a first right sliding table and the like. A wheel rotates a circle at a low speed, when a first piezoelectric sensor, a second piezoelectric sensor and a third piezoelectric sensor do not pick up signals and probes of a first intelligent meter, a second intelligent meter and a third intelligent meter are in a compressed state all the time, the wheel blank is qualified, otherwise, the wheel blank is deformed greatly and unqualified. After inspection, the qualified blank enters a normal lower transfer roller bed, and the unqualified blank enters a reject roller bed.

Abstract: Disclosed is a wheel flange detection device. A positioning column and a linear guide rail are mounted on a flange plate, a connecting plate is connected with the linear guide rail via a guide rail sliding seat, a shaft sleeve is fixed on the connecting plate, and a dial indicator is fixed on the shaft sleeve via a lock sleeve; the upper side wall of the shaft sleeve is a conical surface, and is matched with an inner hole conical surface of the lock sleeve; threads are formed in the middle of the side wall of the shaft sleeve and matched with threads of the inner hole of the lock sleeve; 12 groups of vertical slots are formed in the upper side wall of the shaft sleeve.

Abstract: The present application discloses a wheel bolt pressing device, which includes a frame, a servo motor, a connecting shaft, a bottom plate, a mounting base, a cylinder, a support, a spring A, a pull pin, a limiting sleeve, a thrust bearing, a bracket, a bolt, a strong magnet, a bolt mounting rack, a large linear bearing, a guide shaft, a press-down cylinder, a cylinder flange, a balancing stand, a guard, rollers, a mounting shaft, a mounting rack, contacts, an elastic rubber band, a holder, pin rolls and the like. The device may meet the requirement of a wheel for pressing bolts on line in use, is ideal in effect, high in efficiency. The wheel bolt pressing device is safe and reliable in work and high in automation degree, and is particularly suitable for batch production in production lines.

Abstract: Disclosed is a secondary clamping device for a wheel. Two bearings and a spacing ring are closed in a base by a bearing end cover, a shaft sleeve is mounted on the bearings, a linear bearing and a gland are fixed on the shaft sleeve, a positioning pin is fixed at the top of the floating shaft, two ends of the spring A are respectively connected with the positioning pin and the linear bearing, and the positioning pin can move up and down under the action of the spring A. A pull rod is fixed on the gland, the outer wall of the floating column is connected with the inner hole of the shaft sleeve, two ends of the spring B are respectively connected with the gland and the floating column.

Abstract: The present application discloses a wheel runout detection device. A synchronous gear B is mounted on the output shaft of a servo motor, a synchronous gear A is connected with the synchronous gear B via a synchronous belt, a flange, an expansion sleeve and a cylinder are mounted on a flange plate, and two ends of a connecting shaft are respectively connected with the output shaft of the cylinder and an expansion core. The servo motor drives the flange, the expansion sleeve and the wheel to rotate via the synchronous gear A, the synchronous belt and the synchronous gear B. The device may meet the requirement of wheel runout detection in use, and has the characteristics of ideal effect, high efficiency and high working safety and reliability.

Abstract: Disclosed is a double-station airtight grade printing device, comprising a station I driving cylinder, a station II driving cylinder, a moving platform II, sensor supports, visual sensors, support frames, lifting cylinders, guide posts, lifting platforms, steel grade printers and the like. In the working process of the device, a wheel inlet roller bed continuously feeds wheels, and a station I and a station II alternatively receive the wheels, thereby avoiding long-time waiting of the wheels on the wheel inlet roller bed.