67results about How to "Skip the installation process" patented technology

A ripple voltage suppression apparatus includes a DC/DC converter and a control circuit. The DC/DC converter has a power electronic switch. The control circuit has a voltage detector detecting a DC output voltage of the DC/DC converter, a ripple voltage suppression circuit receiving the detected DC output voltage to generate an AC control signal for controlling an AC component of a duty ratio of the power electronic switch, an output voltage regulation circuit receiving the detected DC output voltage to generate a DC control signal for controlling an DC component of a duty ratio, an adder adding the AC and DC control signals to form a combined control signal, and a PWM circuit converting the combined control signal into a PWM signal to control the power electronic switch. Only the DC output voltage of the DC/DC converter has to be detected for the control circuit.

The invention provides a nanometer electric generator utilizing sliding friction. The nanometer electric generator utilizing sliding friction comprises a conducting layer, a friction layer and a conducting element, wherein the conducting element is arranged under the friction layer in a contact way; the upper surface of the friction layer and the lower surface of the friction layer are arranged oppositely; when tangent and relative sliding friction occurs between the upper surface of the friction layer and the contact surface and between the lower surface of the conducting layer and the contact surface under the effect of an external force, and the friction area is changed in the sliding process at the same time, an electrical signal is output to an external circuit by the conducting element and the conducting layer; when a periodic tangential external force is exerted to the nanometer electric generator utilizing sliding friction, alternating current pulse signal output is formed between the conducting element and the conducting layer.

This invention discloses a jacket-layer sliding type friction nanometer generator, comprising a first conducting member, a first friction layer, a second conducting member and a second friction layer, wherein the first friction layer is positioned on the outer surface of the first conducting member in a contact manner and the second friction layer is positioned on the outer surface of the second conducting member in a contact manner. The first friction layer comprises a plurality of first friction units and the second friction layer comprises a plurality of second friction units. The outer surfaces of the first friction units belong to a first curved surface and the inner surfaces of the second friction units belongs to a second curved surfaces. The first curved surface and the second curved surface outside the first curved surface form an inside-outside jacket-layer structure. The outer surfaces of the first friction units produce relative sliding friction with the inner surfaces of the second friction units, the friction area is changed, and electric signals are outputted to the external circuit through the first conducting member and the second conducting member. The friction nanometer generator disclosed by the invention can be used as a new energy technology or a sensor technology.

In a coin depositing and dispensing machine 10, a plurality of storing and feeding apparatuses 50 disposed below a deposited-coin transport unit 20 are arranged vertically on plural levels. A transport direction in which a coin is transported by the deposited-coin transport unit and a feeding direction in which a coin is fed out from each storing and feeding unit are substantially perpendicular to each other.

The invention discloses a rotary kiln heavy gear ring repairing method, and relates to a rotary kiln repairing method which is used in metallurgy, building materials and chemical industries. The method is characterized in that a repairing operation process comprises the following steps that: (1) a spring board and heavy gear ring connecting lug is cut off, and a heavy gear ring is removed; (2) the heavy gear ring is cleaned and set the heavy gear ring round; (3) the turned over heavy gear ring is hoisted and aligned; and (4) a pin shaft is installed, and a spring board and a new lug are welded. The rotary kiln heavy gear ring repairing method turns over and repairs the heavy gear ring under the circumstance of not replacing a tube section and the spring board, first cuts the spring board and heavy gear ring connecting lug, keeps a tube body and the original spring board unchanged, removes the gear ring and turns over the same and then replaces the new lug and the pin shaft; and after the heavy gear ring is aligned, the new lug and the original spring board are welded firmly. The rotary kiln heavy gear ring repairing method effectively saves the cost for the tube section, the spring board, a rivet and other spare parts, omits spring board installation, hole drilling, riveting and other procedures, and saves a certain repairing time.

The invention discloses a lifting hook and a crane, relates to the technical field of engineering machinery, and solves the technical problem that in the prior art, the lifting hook replacement time is long. The lifting hook comprises a lifting hook body, a detachable connection structure and one or more auxiliary demountable pulley blocks, wherein the lifting hook body comprises a hook head part and a pulley block part; the pulley block part comprises two pulley yoke boards being opposite in position and a pulley arranged between the two pulley yoke boards; the hook head part is connected with the pulley yoke boards; each auxiliary demountable pulley block comprises a mounting rack and a pulley mounted in the mounting rack; each mounting rack comprises two mounting rack boards being opposite in position and a connection rack body connected between the two mounting rack boards; mounting rack boards and/or connection rack bodies are detachably connected with the pulley yoke boards through the detachable connection structure. The crane comprises the lifting hook. The lifting hook and the crane have the advantages that the replacement time of the lifting hook is shortened, and thus the heavy load lifting efficiency is improved.

A damping press rebound adjusting device for a sliding door comprises an immovable element, a movable element, a toggling mechanism, a backstepping mechanism, and a damping mechanism. The toggling mechanism comprises a toggling seat and at least two toggling elements. The backstepping mechanism comprises a pushing element that is slidingly installed on a fixing base through a backstepping spring. The damping mechanism comprises an oscillating element that is slidingly installed on a locating frame through a damping spring. The locating frame is provided with a damper. The movable element is at least a sliding door. The toggling mechanism is installed on the immovable element. The backstepping mechanism and the damping mechanism are installed on the sliding door and are provided with rollers. The at least two toggling elements sequentially and respectively act on the pushing element and the oscillating element after the sliding door is at least closed by a certain degree. The toggling mechanism is provided with an up-down adjusting element and a front-back adjusting element which are used for adjusting the upper position, the lower position, the front position and the back position of the toggling mechanism. The damping press rebound adjusting device for the sliding door is strong in practicality.

The present invention relates to a plug connector device (1) which is provided with a connector housing (2) that is used for accommodating at least one socket component (3,3.1), wherein, at least one socket component (3,3.1) is accommodated in the connector housing (2) through a locked mode. The plug connector device is also provided with an unlocking device (4) with an unlocking lever (5) for releasing the locked accommodation of at least one socket component (3,3.1) in the connector housing (2), wherein the unlocking lever (5) is pivotably provided on a wall (6) of the connector housing (2) so the wall (6) is at least partially deformable for releasing the locking between the socket component (3,3.1) and the connector housing (2) when the unlocking lever (5) is operated.

A radio-frequency transmission arrangement for an MR system for generation of a total B1 field which has a first antenna device that generates a first portion of the total B1 field and at least one antenna insert that generates a second portion of the total B1 field, such that the resulting B1 field is generated by the first antenna device and the at least one antenna insert.

The invention relates to an electric control signal reflection fan clutch which comprises a driving shaft, a shell, a driving plate, a follower plate, a photoelectric induction type fan speed test component and a central processing unit, wherein the shell is installed on the driving shaft through a bearing; the driving plate is fixed on the driving shaft; the follower plate is fixed on an end cover; the fan is installed on the follower plate; the end cover and the shell are fixed integrally; an oil storing cavity and a working cavity are arranged between the end cover and the shell; the oil storing cavity and the working cavity are communicated by an oil inlet and an oil return hole; the oil inlet is controlled by an electromagnetic control switch to be opened and closed; the photoelectric induction type fan rotate speed test component tests the fan rotate speed; and the central processing unit receives the test signals. The fan rotate speed test component with the structure is unaffected by the magnetic field of an electromagnetic switch, and has accurate speed measuring, energy saving and environmental protection.

The invention relates to a guardrail capable of inclining, and belongs to the technical field of traffic facilities. The guardrail consists of a separation column, a regulating mechanism and a connecting component, wherein the separation column consists of four parts of a column foot, a base, a column barrel and a column cover; the base is arranged on the column foot, a hemispheric body is arranged on the base, and a limiting groove is formed between the hemispheric body and the base; the regulating mechanism is positioned in the column barrel and comprises a spring, a regulating cable, a limiting block, an upper fixing block, a regulating block and a fixing ball, the spring is hung under a hanging beam in a buckling manner, a spacer is arranged at the lower end of the spring, the limiting block is mounted on the regulating cable in a sleeving manner, the regulating block is connected to the lower end of the regulating cable, and the fixing ball is fixed at the tail end of the regulating block; the tail end of the regulating cable is fixedly connected with the hemispheric body through the regulating block and the fixing ball, and then semi-moving connection between the column barrel and the base is realized through the interaction among the spring, the spacer and the limiting block and the regulating cable, the regulating block, the fixing ball and the hemispheric body. The guardrail disclosed by the invention can be applied to traffic routes and has the advantages of high safety, good practicality and the like.

The invention relates to an optical module (10) of a motor vehicle lightning device. The optical module (10) has: at least one semiconductor light source (14) for emitting light; a main optical unit (12) for constricting at least one part of the light emitted by the at least one semiconductor light source (14); a light shield (16) subject to the at least one semiconductor light source (14); and a cooling piece (20) in at least indirect thermal contact with the at least one semiconductor light source (14). In order to fabricate the optical module (10) simply and cost-effectively, at least one part of the light shield (16) is suggested to be an element of integration of the cooling piece (20).

The invention discloses a real wind regime and wind power generation simulation device with a wind shear and tower shadow effect. The real wind regime and wind power generation simulation device comprises a simulator control system and an electromechanical servo system, the simulator control system comprises a software system and a hardware system, the simulator control hardware system comprises an industrial personal computer and a data collecting card; the simulator control soft system comprises a wind speed generation model, a draught fan tip speed ratio estimation model, a draught fan pitch angle control model, a wind energy utilization coefficient model, a wind shear and tower shadow effect compensation model, a wind driven generator drive chain model and an induction generator model,the electromechanical servo system comprises a programmable controller, a direct current bus power module, a frequency conversion driving unit, a frequency conversion power generation unit, a drivingmotor, a loading motor, a rotating speed torque meter and a test bed. The real wind regime and wind power generation simulation device is used for the simulation of wind power generation process andresearch and application of wind power generation control strategy under laboratory environment.

The invention discloses a motor base for a numerically-controlled machine tool. The motor base sequentially comprises a shaft hole seat, an installation seat and a base from left to right, wherein the shaft hole seat, the installation seat and the base are of an integrally-formed structure. The shaft hole seat is of a cylindrical structure, and stair-stepping shaft holes including a first-step shaft hole and a second-step shaft hole are formed in the inner ring. The installation seat is a square seat, the three surfaces of the installation seat define an installation groove through lateral plates, a square opening is formed in one surface of the installation seat, and the two ends of the installation groove are connected with the shaft hole seat and the base respectively. A square plate serves as the base, and a round through hole is formed in the middle of the square plate. Installation side plates are arranged on the outer surfaces of the shaft hole seat and the installation seat, and reinforcement ribs are arranged between the installation side plates and the base. Integrated design is adopted in the motor base, so that installation of an assembly of the motor base is omitted, and the motor base has the advantage of convenient and rapid installation.

The disclosed method comprises: storing both of the software file and legal user information into a mobile storage media; calculating the file by computer, and reading out the user information to enter the normal application state. This invention can avoid the complex installation process and convenient to secrecy of user information

The invention discloses a water quality analytic system which includes: a multichannel direction-selective valve (1) provided with a public port (k) and a plurality of distribution ports (a-h) which can be communicated with the public port (k) selectively; a reaction container (5), of which the bottom is provided with a channel opening (j); a metering isolation tube (2) which is connected between the public port (k) and the channel opening (j); and a liquid level detector (3) which is arranged in a pipeline of the metering isolation tube (2). The water quality analytic system also includes a fluid driver (4), which is disposed in the pipeline of the metering isolation tube (2). The upper part of the reaction container (5) is communicated with atmosphere.

The invention discloses an electric-heating superheated steam boiler. The electric-heating superheated steam boiler comprises a lower header, a saturated steam electric heater header, an upper header, a separation header and a superheated steam electric heater header. The upper header and the lower header are connected through a communication pipe I and a communication pipe II, to form an integrated structure. The saturated steam electric heater header is arranged between the upper header and the lower header. The separation header is connected with the upper header. The superheated steam electric heater header is arranged above the upper header and connected with the separation header through an elbow pipe. Saturated steam electric heaters of various specifications are arranged in the saturated steam electric heater header. A superheated steam electric heater is arranged in the superheated steam electric heater header. According to the electric-heating superheated steam boiler, the amount of generated saturated steam is stable, the temperature of superheated steam is stable, the investment cost is low, pollution is small, and the noise is low.

The invention discloses a refrigerating instrument. The refrigerating instrument comprises a box body (1), doors (2) and a hinge assembly (3), wherein the hinge assembly (3) is connected with the boxbody (1) and the doors (2); the hinge assembly comprises a mounting part (31), a hinge part (32) and an adjusting unit, wherein the installing part (31) is fixed on the box body (1), the hinge part (32) is connected to a hinge chain shaft (320) provided with the doors (2) of the mounting part (31); and the adjusting unit comprises an adjusting part (30) which is connected to the hinge chain part (32), the adjusting part (30) is used for adjusting the hinge chain part (32) in the adjusting direction relative to the position of the mounting part (31), and the adjusting direction is the width direction of the doors (2) or the front-back direction of the box body (1). According to the technical scheme, the problems that the appearance or sealing caused by irregular distance between two doors (2) or the doors (2) and the box body (1) is solved.

In a coin depositing and dispensing machine 10, a plurality of storing and feeding apparatuses 50 disposed below a deposited-coin transport unit 20 are arranged vertically on plural levels. A transport direction in which a coin is transported by the deposited-coin transport unit and a feeding direction in which a coin is fed out from each storing and feeding unit are substantially perpendicular to each other.

The invention discloses a dead head and casting cavity integrated forming die which comprises a core shooter, a casting upper die and a forming template combined with the casting upper die, wherein nozzles of the core shooter are connected with core shooting holes formed in the casting upper die. The dead head and casting cavity integrated forming die also comprises a dead head forming sleeve arranged on the casting upper die; an end cover is arranged on the top of the dead head forming sleeve; a die hole communicated with a sleeve hole of the dead head forming sleeve is formed in the casting upper die. The dead head and casting cavity integrated forming die also comprises an upper core arranged in the sleeve hole and a lower core arranged on the forming template; the top of the upper core extends out of the end cover and is fixed on a spraying head of the core shooter; the bottom of the upper core and the top of the lower core respectively extend into the die hole or the sleeve hole to be butted. During the casting of products, the dead head and casting cavity integrated forming die can neither damage a dead head nor produce scattered sand; the scattered sand clearing time is shortened; the time and the labor are reduced; furthermore, the influence of the scattered sand on the cast products can be avoided; the quality of the cast products is guaranteed.