46results about How to "Guaranteed installation requirements" patented technology

The invention belongs to the related technical field of elastic structures, and discloses a rigidity-adjustable spring mechanism. The rigidity-adjustable spring mechanism comprises a screw rod, an inner barrel, an outer barrel, a spring and a base, wherein external threads are formed on the screw rod; a threaded hole is formed in the inner barrel and screwed with external threads of the screw rod, so that the screw rod and the inner barrel are in threaded connection; the screw rod rotates to adjust the distance between the screw rod and the base; a spiral groove is formed in the outer wall of the end, facing the base, of the inner barrel; the spiral groove and the spring form a spiral pair; the inner barrel rotates relative to the spring to change the working length of the spring so as to further adjust the rigidity of the spring; the other end of the spring is connected to the base; and the outer barrel is arranged outside the spring and the inner barrel in a sleeving manner, and used for clamping the spring and the inner barrel to prevent the spring from slipping off or used for loosening the spring to facilitate rigidity adjustment of the spring.

The invention relates to a particle damping rubber vibration isolator of an engine. According to the technical scheme, the upper end face and the lower end face of vibration isolation rubber (3) are in vulcanizing bonding with a corresponding upper connecting plate (2) and a corresponding lower connecting plate (4), a lower connecting bolt (5) is fixed onto the lower plane of the lower connecting plate (4), an upper connecting bolt (1) is fixed onto the upper plane of the upper connecting plate (2) and a damping rod (7) is fixed onto the lower plane of the upper connecting plate (2). The upper connecting bolt (1), the upper connecting plate (2), the vibration isolation rubber (3), the lower connecting plate (4), the lower connecting bolt (5) and the damping rod (7) are coaxially connected. The vibration isolation rubber (3) is a hollow cylinder, the hollow part of the hollow cylinder forms a closed damping cavity (8) with the upper connecting plate (2) and the lower connecting plate (4), particle damping materials (6) are placed in the damping cavity (8) and the particle damping materials (6) occupy 50-85% of the volume of the damping cavity (8). The particle damping rubber vibration isolator of the engine is simple and reliable in structure, convenient to manufacture and low in cost, has the dynamic characteristics of low-frequency high dynamic stiffness and large damping and also has the dynamic characteristics of high-frequency low dynamic stiffness and small damping.

The invention relates to a method and device for installing and calling applications on a mobile terminal. The method for installing the applications comprises steps as follows: remote storage is virtualized to local virtual storage of the mobile terminal through an operation system of the mobile terminal and mounted on a local file system of the mobile terminal; installation requirements of application programs are responded to, and whether local physical storage space of the mobile terminal meets the installation requirements is judged; if the answer is negative, a part of the application programs physically and locally stored on the mobile terminal are exported to a file directory hooked by remote storage according to proneness of export of the application programs stored locally and physically on the mobile terminal; the application programs are mounted in the local physical storage space of the mobile terminal. The method and device for installing and calling the applications on the mobile terminal meet requirements of application program installation on the mobile terminal.

The invention discloses a towing winch which comprises a winding displacement device. A through hole is formed by a first rotary shaft and a second rotary shaft of the winding displacement device in an encircled manner, a drum is arranged on the rear side of the winding displacement device, a brake strap is arranged on the outer side of the drum, the upper end of the first rotary shaft is rotationally connected with a frame, the lower end of the first rotary shaft is detachably connected with the frame, a draw bar of the brake strap comprises two side connecting portions, a second screw hole and a third screw hole which are opposite to each other are formed in the two connecting portions, the thread direction of the second screw hole is opposite to the thread direction of the third screw hole, a third screw is arranged in the second screw hole and the third screw hole, and the thread directions of two edges of the third screw are opposite to each other. The towing winch has the advantages that the upper end of the first rotary shaft of a guide wheel is rotationally connected with the frame, and the first rotary shaft cannot fall down when rotation is required, so that a rope can be safely placed into the through hole or can be safely taken out of the through hole as needed, and one person can push the first rotary shaft to rotate for operation; the length of the draw bar can be adjusted via the third screw, so that mounting requirements of the brake strap can be assuredly met; the length of the draw bar can be reduced after the towing winch is used for a long time, so that the purpose of realizing a quick braking effect can be achieved.

The invention provides an extensible platform of a power supply controller. The main structure of each structure module of the extensible platform of the power supply controller is a tetrahedral structure hollowed out as a whole and provided with a front panel, a rear panel, a top panel and a bottom panel, and hollowed-out grids are arranged in each module and include at least two layers of grids. Devices in each structure module are laid out three-dimensionally in the grids, so that internal space of the power supply controller is effectively utilized, and three-dimensional layout in the modules is achieved. A reinforcing frame not only provides an installation space but also connects all the modules as a main force bearing component of the whole controller, so that the strength of connection between the modules and the rigidity and the strength of the whole controller meet the requirements of a satellite mechanical environment. A capacitor (CAP) module is used for containing capacitors, the large number of capacitors are used in cooperation with the other modules to stabilize bus voltage, and thus good extensibility is achieved. Due to the use of installing holes and reverse-penetration holes, it is guaranteed that mechanical property requirements of device connecting pieces in the mechanical analysis and environment test process are met.

The invention relates to a novel collaborative robot joint module. The novel collaborative robot joint module comprises a joint body, a harmonic reducer, a motor, a brake, a brake mounting seat, an input end encoder, an output end encoder and a driver, wherein the harmonic reducer is arranged in the first end of the joint body and provided with an input shaft and an output shaft; the input shaft is sleeved at the outer side of the output shaft; and the output shaft penetrates through the harmonic reducer, a connecting disc is arranged at the first end of the output shaft, and the second end of the output shaft extends out of the second end of the input shaft. The brake is fixed through the brake mounting seat, a rotor of the brake is located at the side close to the motor, so that the brake is inversely installed, an input bearing is designed in the brake, the design length of the input shaft of the harmonic reducer is greatly shortened, the rigidity of the input shaft is improved, meanwhile, the diameter of an inner hole of the harmonic reducer is increased, and wire passing is facilitated.

The invention relates to a self-locking snap ring which comprises a snap ring body composed of multiple connecting joints hinged together in sequence, and a lock assembly. One end of a bolt of the lock assembly is hinged to one end of the snap ring body. The other end of the bolt penetrates the other end of the snap ring body and a swivel nut and is then provided with a nut. A lock shell is arranged outside the swivel nut. A spring is pressed on the lock shell and the swivel nut. The end of the lock shell is matched with the outer contour of the nut. The swivel nut is provided with a pin. The pin extends into an axial groove of the bolt and an axial through hole of the lock shell respectively. Compared with a traditional quick-detached snap ring, the self-locking snap ring has the beneficial effects that the self-locking and detaching functions are more convenient, the snap ring is rapidly installed, locked and detached, and the requirements for installation reliability and repair economic efficiency of the snap ring are met.

The invention relates to a web, a die used for producing the web, a web production method and a blade. The web comprises more than two support plates which are mutually arranged along a first direction at intervals, each support plate has a first end part and a second end part which are related along a second direction, the first end parts of more than two of the support plates are relatively arranged, and the second end parts are relatively arranged, the web also comprises a shoulder part for connecting the first end parts of more than two of the support plates, wherein the web is arranged ina hollow space and is connected with one of a windward side housing and a lee side housing through the shoulder part, and is connected with the other one of the windward side housing and the lee sidehousing through the second end parts of the more than two of the support plates. When the web is arranged to the blade, is convenient for installation, and can guarantees the production quality and usage life of the blade.

The invention discloses a towing winch with double-end screws. The towing winch comprises a drum. The brake belt is arranged on the outer side of the drum. A jacking device is arranged below the brake belt and comprises a first support. A pulley is arranged on the first support. A pull rod of the brake belt comprises two side connecting portions, and the two side connecting portions are provided with a second screw hole and a third screw hole respectively, wherein the second screw hole and the third screw hole are opposite in threaded direction. A third screw is arranged in the second screw hole and the second screw hole and two ends thereof are different in threaded direction. When the brake belt is loosened, the jacking device can jack the brake belt to enable the brake belt to be quickly separated from the drum, so that the problem that the brake belt is attached to the drum and hard to separate from the same due to dead weight is prevented, friction between the jacking device and the brake belt can be reduced by the pulley, and abrasion is reduced as well. Further, the length of the pull rod can be adjusted through the third screw, and accordingly, mounting requirements of the brake belt can be met, quick braking can be realized by shortening the length of the pull rod after use for a long time.

The invention discloses an oil-gas balanced suspension used for a multi-axle heavy vehicle, which comprises an upper rotating arm, an oil-gas spring and a lower swinging arm, wherein for an oil-gas spring of a key component, the oil-gas balanced suspension comprises a cylinder barrel, a hollow piston rod and upper and lower connecting bodies; the upper and lower connecting bodies are connected to the upper rotating arm and axles respectively through a joint bearing; the piston at the upper end of the hollow piston rod is internally provided with a damping hole and a one-way valve to form a valve assembly; the lower end of the piston rod is fixedly connected to the lower connecting body through a screw thread to form a piston rod component and separate the cylinder barrel into a no-rod cavity at the upper end and a rod cavity at the lower end; the hollow piston rod is internally and fixedly provided with a built-in oil-gas cylinder; a floating piston in the oil-gas cylinder divides the oil-gas cylinder into an upper inner gas chamber and a lower inner oil chamber. The invention also discloses a corresponding hydraulic control system. Through the invention, the disadvantages that the piston rod is easily polluted and is hard to be cleaned automatically can be avoided efficiently, and convenience is brought to realization of the height adjustment of the vehicle body and independent improvement of the axles.

An automobile electric mode/gasoline mode rapid switching system is characterized by comprising a controller (1), a motor (2) and an oil pump (3), wherein the controller is controlled by a vehicle-mounted MPU, used for controlling the motor to work and electrified by a vehicle-mounted battery; the motor (2) is used for driving the oil pump (3) to work and enabling the oil pump (3) to reach a preset working pressure within a preset time period, and connected with the controller (1) through a connection cable; the vehicle-mounted battery provides power for the motor (2); the oil pump (3) is driven by the motor (2) to supply oil to an oil path, rapid switching between an electric mode and a gasoline mode is achieved, oil is automatically provided for a CVT at a low speed in the gasoline mode. An electric fuel pump assembly (POD) is applied to a hybrid electric vehicle creatively for the first time, oil pressure is rapidly provided and electronically and intelligently controlled, and a domestic gap in this field is filled.

The invention provides an engine and gearbox docking mechanism. The engine and gearbox docking mechanism can meet the docking size requirements of an existing engine and gear box. According to the technical scheme, the engine and gearbox docking mechanism comprises a flywheel disc, a flywheel housing, gaskets, a flexible disc, crankshaft bolts, gearbox mounting bolts, flywheel housing mounting bolts and a transition ring, wherein the flywheel disc is arranged in the flywheel housing; one end face of the flywheel disc is connected to an output end of a crankshaft of an engine body; the other end face of the flywheel disc is connected to the flexible disc; the flexible disc is connected to the input end of a gear box body; the gaskets are arranged between the flexible disc and flywheel disc;a flywheel body, the gaskets and the flexible disc are fixedly connected through the crankshaft bolts; the flexible disc and the gearbox body are fixedly connected through the gearbox mounting bolts;and the transition ring is arranged on the end face of the flywheel housing and fixedly connected with the flywheel housing through the flywheel housing mounting bolts.

The invention relates to a universal connector of a drain valve. The present invention includes a shell 1, a filter screen 2, a large bolt 4, a small bolt 3, a universal joint 9, and a steam trap 10, and is characterized in that: the shell 1 is Y-shaped, and a filter The other end of the net 2 and the filter screen 2 passes through the cavity 4-4 of the large bolt 4, the large bolt 4 is threaded with the cavity 1-1, and the small bolt 3 is threaded with the large bolt 4. The universal joint 9 is nested at the inlet and outlet ends of the steam trap 10, and the end faces of the pressure plate flanges 1-8 of the housing 1 are provided with concentric annular grooves I 1-4 and concentric annular grooves II 1-5, respectively The sealing ring I 5 and the sealing ring II 6 are installed, and the hexagon head bolt I 7 and the hexagon head bolt II 8 are fastened to the two screw holes on the universal joint 9 respectively. The invention solves the "water hammer" problem caused by the installation of the steam trap and bends the pipe, greatly reduces the manufacturing cost of the steam trap, and the filter screen can be disassembled, cleaned and installed online.

The invention relates to an electric cabinet structure using an aviation aluminum material for a high-speed train air conditioner. The electric cabinet structure comprises a front frame module, a left frame module, a right frame module, a rear frame module, reinforcing corner components, a sliding rail and a baffle; the reinforcing corner components are respectively arranged at four corners of the top and the bottom of the electric cabinet structure; the sliding rail is arranged on one side, close to the right frame module, of the top of the electric cabinet structure; and the baffle is arranged on one side, close to the left frame module, of the top of the electric cabinet structure. According to the electric cabinet structure, the strength of a whole cabinet body frame can be effectively improved; meanwhile, compared with an electric cabinet adopting a common aluminum material, the anti-seismic performance of the electric cabinet can be effectively enhanced, and the use requirements of the electric cabinet for the high-speed train air conditioner are well met; and moreover, the design is attractive and environment friendly, and the aluminum material has the advantages of light weight, so that the electric cabinet is integrally assembled and disassembled conveniently, and the practicability is improved.