30results about How to "Simultaneous installation" patented technology

The invention discloses a synchronous lifting platform with four columns, which comprises a lifting platform base, four lifting platform frameworks and four jacking platforms, wherein the four jacking platforms lift perpendicularly along the lifting platform frameworks. Guide parts and jacking oil cylinders are connected between the jacking platform and the lifting platform frameworks, rack fixing plates are mounted on the four jacking platforms, racks are fixed on the rack fixing plates, gears which are identical in size and mesh with the racks are arranged for matching with the racks, and each two adjacent gears are connected coaxially. When the jacking platforms are jacked to lift by the jacking oil cylinders, the racks are driven to lift together and drive the gears to rotate, so that the jacking platforms can lift synchronously. Besides, the synchronous lifting platform with four columns is convenient in mounting, simple in structure, lower in cost, stable in running, safe, reliable and convenient in maintenance.

The present invention discloses a method and device for installing software. The method includes: when installing software in a first terminal, detecting whether the installation path of the software is the synchronization directory of the network disk used by the first terminal; if the The installation path is the synchronization directory of the network disk, then the temporary files and / or cache files of the software are set in the non-network disk synchronization directory in the first terminal; the main program file of the software and the software The record files in the user data files are installed in the synchronization directory of the network disk. Therefore, even if the software is installed in the network disk, there will be no frequent synchronization problems, and it will not affect the performance of the computer and the software.

The invention discloses a method for improving the reliability of a main engine of an oil-free screw compressor and an axial bearing locking structure. The method and the axial bearing locking structure are characterized in that the method comprises the step of changing the installation position of a locking nut on a rotor to ensure that the locking nut directly presses an axial bearing instead of pressing a synchromesh gear; and the locking structure mainly comprises an adjusting pad (1), the axial bearing (2), the locking round nut (3) and the synchromesh gear (4), wherein the axial bearing (2) is arranged and positioned on a rotor shaft (5) between the adjusting pad (1) and the locking round nut (3), and the synchromesh gear (4) is arranged on the rotor shaft (5) and outside the locking round nut (3). According to the invention, the functional requirements and the installation sequence are synchronous, so that the installation and the adjustment are very conveniently and rapidly carried out in a synchronous manner, and the head of the motor engine reliability is improved at the same time.

The invention discloses a driver cab structure of a low-floor vehicle. The driver cab structure comprises a driver cab base assembly welding element, a vehicle hook installing seat assembly welding element and an anticreeper installing seat assembly welding element, wherein the vehicle hook installing seat assembly welding element and the anticreeper installing seat assembly welding element are arranged at the front end of the driver cab base assembly welding element, and are in staggered arrangement in the height direction. The driver cab structure has the advantages that the layout of a hookinstalling structure and an anticreeper installing structure is optimized by the space under a driver cab table; the installation of an anticreeper and a hook is met in a mode of staggered arrangement of the vehicle hook installing seat assembly welding element and the anticreeper installing seat assembly welding element in the height direction; the goal of simultaneously installing the hook andthe anticreeper at the front end of the vehicle body is realized; the problem that the driver cab structure of the low-floor vehicle is simultaneously provided with the hook and the anticreeper, so that the space is insufficient is solved. The invention also discloses the low-floor vehicle comprising the driver cab structure.

The invention relates to the field of part packaging, and particularly discloses a screw metering and packaging system. The screw metering and packaging system comprises a conveying belt, a counting device and a packaging device. The conveying belt is arranged horizontally. Conveying grooves for containing plastic plates are arranged on the conveying belt. Multiple vertical first through holes areformed in each conveying groove. The counting device comprises a mounting box, a feeding groove and multiple arrangement units. The packaging device comprises a pressing block and a telescopic air cylinder. The air cylinder is fixedly mounted above the conveying belt, and the pressing block is fixedly mounted at the lower end of the air cylinder. Multiple second electric heating wires are arranged on the lower end face of the pressing block. The pressing block can be opposite to the conveying grooves, and the shape of the cross section of the pressing block is consistent with that of the cross sections of the conveying grooves. According to the scheme, screws can be arranged and packaged.

The invention relates to an upright steel arch cable-stayed bridge and a manufacturing method thereof, the upright steel arch cable-stayed bridge comprises an upright steel arch used for connecting astay cable and supporting a bridge floor, the upright steel arch comprises a plurality of subsections, and the subsections are connected one by one from top to bottom to form the upright steel arch. The vertical steel arch cable-stayed bridge can be directly spliced on the ground, synchronous completion of splicing and lifting is achieved, operation is easy and convenient, potential safety hazards, quality and other problems caused by aloft work are effectively avoided, and the construction cost is further reduced.

A maintenance device for a hub mould. The device includes a cylinder with an open top surface. The cylinder is divided into an upper chamber and a lower chamber by a partition. A cover that can close the cylinder is arranged on the top of the cylinder. There is a dismantling unit that can disassemble the first slider along the direction of the first chute. The outer wall of the cylinder is provided with a cleaning unit that can extend into the upper chamber to clean and oil the wheel hub mold. Turn unit. The invention can automatically complete the disassembly and cleaning of the wheel hub mold, clean and oil the inside and outside of the first slider in an all-round way, the cleaning effect is better, and the labor intensity is reduced. After the first slider is disassembled by the disassembly unit, multiple first The relative position between the sliders is always the same, and it is still in the original position when it is put back on the mold, which avoids the economic loss caused by the wrong installation of the first slider due to the negligence of the workers.

The invention discloses an alarming type insulating bar. The alarming type insulating bar comprises an insulating bar. The alarming type insulating bar further comprises an arch bar head and a near electric alarm, wherein the near electric alarm and the arch bar head are arranged on the insulating bar. The alarming type insulating bar has the advantages of being convenient to use, simple in structure and low in cost.

The invention discloses a method for installing an engine rotor shaft, a connecting ring and blanking covers, and relates to the technical field of engines. The method for installing the engine rotor shaft includes the following steps that S1, the rotor shaft is installed on the connecting ring; S2, the front blanking cover is arranged on the rotor shaft in a sleeving mode and is fixedly connected with the connecting ring; S3, a first bearing is assembled on the rotor shaft, so that the rotor shaft, the front blanking cover, the first bearing and the connecting ring form an assembly; a bearing case is installed on an intermediate case, and a second bearing is assembled on the bearing case; S4, the assembly is moved to make the front blanking cover attached to the bearing case; and S5, the connecting ring is removed; and meanwhile, the rear blanking cover and the bearing case are fixedly connected. The connecting ring is used for the installing method of the engine rotor shaft. The blanking covers are also used for the installing method of the engine rotor shaft. The method has the beneficial effects that the demand of a high speed engine can be met, and rotors and stators can be installed quickly.

The invention relates to a current bridge joint device, in particular to a star-shaped device which is divergent from inside to outside and can be simultaneously used for bridge joint of multiple current generators. The divergent star current bridge joint device consists of a shaft barrel, a star frame and a tray and comprises 21 constituent parts including a lower-end reinforcing ring, an outer wall, an upper-end top face, an electric wire orifice, a tray support ring, a beam frame, a reinforcing rib, a lead wire hole, a tray support, a tray shaft hole, a tightening hole, a star-shaped panel, a shaft barrel hole, a tray ring, a lug pit, a positioning ring, a positioning column, a lower oblique edge, an inner oblique edge and the like, is a multidirectional current bridge joint device which is capable, vigorous, simple, convenient, stable, efficient and wide in application range, can be widely applied to plains, mountainous areas, hills, islands, upper air and other working environments, meets the using demands of electrical, mechanical and other industries, has the excellent advantages of simple in implementation and simple and easy to manufacture, is attractive, elegant, convenient to use, wide in market space and has high application vale and added economic value.

The invention relates to the field of part machining and particularly discloses part packaging and conveying equipment. The part packaging and conveying equipment comprises a conveyor belt, a mountingbox, a feed chute, a plurality of conveying wheels, supporting belts, a rotary rod and cams. The conveyor belt is provided with conveying grooves. Each conveying groove is internally provided with first through holes. The supporting belts are arranged oppositely and horizontally fixed to the interior of the mounting box. One end of each supporting belt is located in the feed chute. The distance between the adjacent supporting belts is consistent with the diameter of a thread of each screw. The supporting belts are provided with opposite falling slots. The conveying wheels are uprightly and rotatably mounted in the supporting belts. The two adjacent conveying wheels make contact with each other. Moreover, the conveying wheels make contact with the threads of the corresponding screws. The lower surface of the mounting box is provided with a plurality of second through holes. The first through holes, the corresponding falling slots and the corresponding second through holes are located on the same vertical axes. The rotary rod is mounted in the mounting box. The cams are coaxially mounted on the rotary rod. The side faces f the cams make contact with the tops of the corresponding screws. The part packaging and conveying equipment can be used for arranging and packaging the screws.