54results about How to "Reliable working principle" patented technology

The invention discloses a rapid wear test system for an AMT clutch plate. The system comprises a speed changer casing, a clutch and a clutch controller and further comprises a driving motor, first and second torque rotating speed sensors, a loading motor and a speed changer mounting base, wherein an input side of the clutch is sequentially connected with the first torque rotating speed sensor and the driving motor, an output side of the clutch is sequentially connected with the second torque rotating speed sensor and the loading motor, high and low temperature zones of a pressure disc are respectively provided with first and second temperature sensors, a monitoring system is further comprised, the monitoring system comprises a computer and a data acquisition device, signals of the first and second torque rotating speed sensors and the first and second temperature sensors are acquired by the data acquisition device and are then outputted to the computer, and signals are outputted by the computer to control operation of the clutch controller, the driving motor and the loading motor. The invention further discloses a rapid wear test method for the AMT clutch plate. Through the system and the method, change of torque characteristics of the clutch plate caused by wear can be detected.

A method for intelligently determining hydrate drilling and production risks based on fuzzy judgment. First classifying monitoring parameters in a hydrate drilling and production process into layers from top to bottom: a target layer, a primary evaluation factor layer and a secondary evaluation factor layer; then calculating relative weight values of each primary evaluation factor and each secondary evaluation factor contained therein; then connecting in series the relative weight values of the primary evaluation factors with the relative weight values of the secondary evaluation factors to obtain an overall weight value of the secondary evaluation factors; repeating the foregoing steps; finally constructing the overall weight value of each secondary evaluation factor of each risk into a column vector to obtain a comprehensive determining weight matrix of hydrate drilling and production risks, and determining the risks in the hydrate drilling and production process by combining monitoring parameter change vectors.

The invention discloses a test method for measuring dynamic transmission efficiencies of an actuator of an AMT (automated mechanical transmission) clutch. The test method comprises the steps that 1), the actuator of the AMT clutch is mounted according to a real vehicle; 2), a drive motor is replaced by a servo motor; 3), an encoder for measuring the angular displacement is mounted on an output shaft of the servo motor; a torque sensor is mounted between the output shaft of the servo motor and an input shaft of a worm; 4), a displacement sensor and a force sensor are mounted at a release bearing respectively; 5), a theoretical torque output to an input end of the worm by the servo motor is calculated; 6), the theoretical angular displacement of the input end of the worm is obtained by calculating; and 7), a dynamic torque transmission efficiency and a dynamic displacement transmission efficiency are calculated when the actuator of the clutch works. The real-time dynamic transmission efficiencies measured by the method when the actuator of the AMT clutch works can be used for quantitatively evaluating the working performance of the actuator of the AMT clutch, and a more accurate control strategy can be established for controlling the AMT clutch according to measured data of the transmission efficiencies.

The invention discloses a testing stand for detecting the rotating rock breaking energy consumption of a cutter. The testing stand comprises a testing stand fixing frame, a first motor, a turbine decelerator, a dynamic torque sensor, an upper rotating table, a feeding mobile station and a driving mechanism of the feeding mobile station. The dynamic torque sensor in the upper rotating table and a static torque sensor in the feeding mobile station are used to measure torque loss in the cutter or a cutter combined cutting rock material, a pressure sensor array composed of four pressure sensors in the feeding mobile station is used to measure the distribution feature of force in the vertical direction, and obtained data can be used to analyze rules that structure parameters, working parameters and material composition feature of the cutter and the cutter combination influence the cutting performance and the rock bearing energy consumption characteristic. The testing stand is reasonable in structural design, reliable in working principles, simple and effective in a realization scheme, and capable of providing equipment support for researches on the rotating rock breaking energy consumption of the cutter.

The invention discloses a test measurement method for a critical parking speed of P-shift parking of an automatic gearbox. The test measurement method comprises the following steps: 1) the automatic gearbox to be tested is arranged on a test measurement device, and a corresponding rotational speed and torque sensor, a drive motor and a data acquisition unit are selected; 2) the flywheel panel inertia of an inertia flywheel case is adjusted; 3) a shifter and a shifting inhaul cable are arranged on the test measurement device; 4) the drive motor is controlled by a computer according to test requirements; the rotation speed and torque data of a half-shaft is stored, processed and displayed by the computer in real time in the whole test process; 5) the speed of the half-shaft of the last moment when the rotation speed of the half-shaft turns to 0 abruptly is obtained through analysis of the computer, and the rotation speed of the half-shaft is converted into corresponding vehicle speed, namely the critical parking speed of P-shift parking of the automatic gearbox. According to the invention, the critical parking speed of the P-shift parking is accurately measured by simulating the whole vehicle working condition of the automatic gearbox, so that a strong and firm support is provided for the test of the critical parking speed of the P-shift parking of the automatic gearbox.

The invention discloses a stamping type melon seed shelling robot. The robot comprises a base, a feeding part, a vibration part and a stamping part, wherein the feeding part comprises a feeding framewhich is vertically arranged on one end of the base; a feed bin supporting frame is arranged on the feeding frame, a feed bin is hinged to the upper portion of the feed bin supporting frame, a weighing bin is arranged in front of the feed bin, and the weighing bin is obliquely arranged; the vibration part comprises a rotary base which is arranged on the center of the base, and the vibration part further comprises a rotary frame, a rotary motor, a main gear, a driven gear and four vibration modules; the stamping part comprises a stamping frame which is vertically arranged at one end of the base. According to the stamping type melon seed shelling robot, by arranging the multistation vibration modules, the multistation processing of melon seeds is achieved, and the work efficiency is high, and by arranging vibration separation plates and two layers of fixing separation plates, the melon seeds automatic falling into work positions is achieved, and melon seed shelling work is prepared well;and the stamping type melon seed shelling robot has unique structure and reliable working theory.

The invention discloses a friction fixing anchor rod which comprises an anchor rod body. The outer surface of the anchor rod body is full of thread, the anchor rod body further comprises a friction fixing sleeve, a size sealing ring, a subplate and a nut, the friction fixing sleeve is arranged to be a pipe with an opening along the length direction and comprises a front-end conical diameter contracting section and a rear-end straight pipe section which are formed integrally, the conical diameter contracting section is provided with a fastening port, and the anchor rod body is arranged in the friction fixing sleeve; the ring is arranged between the anchor rod body and the friction fixing sleeve, and the subplate is arranged on the outer surface of the anchor rod body in a sleeved manner, fixedly connected with the anchor rod body through the nut and arranged between the nut and the end of the rear-end straight pipe section. The friction fixing hollow anchor rod is mature and reliable in structure, simple to operate, high in sealability and suitable for injection of various sizes.

A gate valve assembly having a through bore adapted for fluid communication with a well bore and prepared for receiving an elongated member. The gate valve assembly comprises a gate element which is movably arranged in a gate valve housing, wherein the gate element has a gate bore arranged for receiving the elongated member, wherein a cutting tool is arranged in the gate bore first and second seats, wherein at least one of the first or second seat is arranged to provide sealing contact with a sealing surface of the gate element. A support member arranged with an opening encompassing the through bore and an expanded opening portion which is open to the through bore in the axial direction of the through bore, wherein a reduced section of the support member defines the expanded opening portion, and the opening has a decreasing radius along the reduced section in the axial direction of the support member toward a contact surface area arranged at an end portion of the support member adjacent the cutting tool, wherein the radius of the opening corresponds essentially to the radius of the through bore. The contact surface area is prepared for engagement with the elongated member and provides a counter acting area interacting with the cutting tool when shearing the elongated member. The invention also includes a method.

The invention discloses a railway fastener dismantling device and an operating method thereof. The device is used for dismantling a fastener on a railway line, and comprises a support, an electric wrench, a sleeve and electromagnets, wherein handles are arranged on two sides of the upper part of the support, the electric wrench is fixed at the lower part of the support, the sleeve is connected with the lower part of the electric wrench, and the electromagnets are arranged on two sides of the support. A nut on the fastener is loosened by the electric wrench, the whole fastener is sucked up by magnetic poles at the bottoms of the electromagnets, and the fastener is enabled to automatically fall off after the electromagnets are powered off and demagnetized. According to the device and the operating method thereof, not only can the nut be dismantled, but also the whole fastener can be dismantled; not only is the labor cost reduced, but also the operation efficiency is improved at the same time.

A method for transforming pressures of a system operating with pressure medium to optimize the travel speeds and / or forces of tasks utilizing pressure, area and flow ratios, employing valve structures, in which method, transforming with pressure transformers the pressure of the actuators differ from system pressure. A device implementing the method includes valve structures and pressure transformers. In the method, pressure transformers are switched when going above or below a set limit value controlling valves of actuators which requires the transformation of travel speed or force. In the device, pressure transformers are arranged to be switched when going above or below a set limit value controlling the valves for the actuator which requires higher travel speed or force.

The invention provides an electric appliance for preparing beverage, comprising a containing cavity, a heating device, a control valve and a discharge passage, wherein the containing cavity is provided with a first passage and at least one exhaust passage commonly used for receiving and discharging liquid for preparing the beverage, the heating device is connected with the containing cavity, the control valve is connected with a first passage, and the discharge passage is connected with the control valve in work; the control valve comprises a first valve element and a second valve element, andwhen the first valve element is offset in a discharge position, the second valve element can be controlled to be opened all the time, so as to communicate the first passage with the discharge passage; when the first valve element is in a receiving position, the second valve element is in an opening position, and the first passage is conducted to the outside; and when the first valve element is offset in the receiving position and the steam pressure in the containing cavity is greater than preset closing force of the second valve element, the second valve element closes the first passage. According to the electric appliance, fluid passage is rapidly switched by a simple control valve, and receiving and discharge of liquid for preparing the beverage are realized by one passage, and therefore, the electric appliance is suitable for brewing one cup or multiple cupd of beverage.

The invention discloses a fire-fighting electromagnetic door stopper and a mounting method thereof. The fire-fighting electromagnetic door stopper comprises a suction plate mounted on a door leaf, a magnet for attracting the suction plate and a base used for fixing the magnet, wherein the base is fixedly mounted on a wall surface through locking bolts, and a buffering pad is clamped between the contact surfaces of the base and the wall surface; the magnet is mounted on the base, and a fire door normally-open controller is mounted in the base; and the fire door normally-open controller is connected with a power cord, and the power cord communicates with an external power supply. The fire-fighting electromagnetic door stopper and the mounting method thereof are applied to an electromagnet of an automatic door, a suction force generated by the electromagnetic principle is utilized to perform positioning opening and closing on the door leaf, and the fire-fighting electromagnetic door stopper is simple in mechanical structure, reliable in working principle and convenient to mount, realizes manual and remote power on-off control, and constitutes a normally-open fire-fighting door release device together with the fire door controller to achieve the purpose of a normally-open fire door in a building.

The invention discloses a test measuring method for the critical P-gear parking automobile speed of an automobile automatic gearbox. According to the method, a computer regulates the speed of a driving motor to a set rotating speed, and an electrical inertia simulation control model is started; the computer collects the rotating speed of an axle shaft of the automatic gearbox to be measured in real time and obtains the preset rotating speed value of the driving motor at the next moment through calculation, and meanwhile the computer sends the preset rotating speed value to the driving motor in real time, and sequential circulation control is performed; when the rotating speed of the axle shaft meets the requirement for P-gear parking, a tester manually operates a gear shifting device to park at the P gear, and when the computer measures that the rotating speed of the axle shaft is zero, the driving motor is controlled to stop, and one time of testing is ended. The critical P-gear parking automobile speed can be accurately measured through simulating the whole test working conditions of the automobile gearbox, and the accurate and reliable support is provided for test research performed on the critical P-gear parking automobile speed of the automobile gearbox.

The invention discloses a continuous refurbishment painting system for road guardrails. The continuous refurbishment painting system comprises universal wheels, traveling brackets, moving modules, a stabilizing frame, high-temperature drying sheets, a paint spraying pipe, a high-pressure water washing head, a polishing rod, a polishing head, a cover plate, a belt and belt wheels. The continuous refurbishment painting system is composed of two identical work systems which are connected through the stabilizing frame. Each work system comprises one traveling bracket, the upper portion of the traveling bracket is provided with a bracket transverse slide way, the stabilizing frame is slidably installed on the bracket transverse slide way, and five moving modules are arranged on the traveling bracket. According to the continuous refurbishment painting system, the time for repairing the road guardrails is greatly shortened through continuous working, and the continuous refurbishment paintingsystem is small in size, has little influence on roads during repairing and is unique in structure and reliable in working principle.

The invention discloses a hydrocyclone unit used in mine and metallurgy production, in particular to a configuration structure of a hydrocyclone unit used in a grinding system in Bayer alumina production. The structure is as follows: a feeding pipe of each hydrocyclone is connected with a main feeding pipe, an overflow pipe of each hydrocyclone is connected with a main overflow pipe, and an underflow pipe of each hydrocyclone is connected with an underflow trough. The configuration structure has a simple and reliable working principle, adopts the linear configuration of hydrocyclones, and prevents the problem of too large occupied area in the central feeding and the circular configuration of the hydrocyclones by increasing the configuration length. In the configuration method, only one feeding pipe, one overflow pipe and one underflow pipe are connected with the hydrocyclone unit, thereby greatly reducing the number of pipes in production, and facilitating the reduction of the labor intensity in production operation and repairing.

The invention discloses a vertical steam removal device for a residual solvent in rapeseed meal. The vertical steam removal device comprises a vertical steam removal machine composed of six layers of box bodies, wherein the bottom plates and side walls of the lower five layers of box bodies are provided with heated steam jackets, the bottom of the topmost layer of box body is provided with an annular steam pipe on which a plurality of steam pipes are obliquely arranged; each layer of box body is internally and respectively provided with a material height indicator and an automatic material door capable of automatically regulating the dropping speed of an upper-layer material according to the height of a local-layer material; a material seal conveying stranding cage is connected with the upper end of the topmost layer of box body, and the bottommost layer of box body is provided with a cock discharging valve; each layer of box body is provided with an agitating scraper, the agitating scrapers are fixed on a main shaft, and the main shaft is fixed in the box bodies and can rotate; and the topmost layer of box body is connected with a shell pass of a tubular heat exchanger through a cyclone dust catcher and is finally connected with a connecting pipe of a water distribution tank. The vertical steam removal device is used for solving the technical problems of rapeseed meal steam removal difficulty, high steam consumption in steam removal and high extraction solvent consumption and is suitable for large-scale industrial processing; and in addition, the automatic material door is simple in working principle, reliable and convenient to operate.

The invention discloses a garden green plant brushing system. The garden green plant brushing system includes a support frame part, a drive motor working part and a brushing working part. The supportframe part includes a mounting frame, and a servo motor is disposed at the upper portion of the mounting frame. The drive motor working part includes a middle half-ring gear, the middle half-ring gearis mounted at the inner side of a bracket groove on a bracket, and a middle gear is installed on the middle half-ring gear in a meshed mode. The brushing working part includes a steady rest, and a left rotating frame and a right rotating frame are separately provided with a set of brushing unit. According to the garden green plant brushing system, paint rollers are used for brushing, so that thebrushing area of each time brushing and the brushing speed are increased; the structure is compact and is not affected by the green plant density; and the working principle of the garden green plant brushing system is reliable.

The invention discloses a paeonia ostii transplanting device and method. The paeonia ostii transplanting device comprises a transverse handle lever and a vertical pipe which is connected with the middle of the handle lever, a flange is arranged on the outer pipe wall of the middle section of the vertical pipe, the outer pipe wall below the flange is sleeved with a shaft pipe, the left outer wall and the right outer wall of the shaft sleeve are provided with transverse straight arms respectively, and the two end parts of the transverse straight arms are downwards connected with a left verticalrod and a right vertical rod respectively. The lower end of the left vertical rod is provided with a left bull wheel and a left pony wheel, the lower end of the right vertical rod is provided with a right bull wheel and a right pony wheel, the lower end of the vertical pipe is provided with a clamping end, a motor is installed on the outer wall of the lower side, on the lower side of the shaft pipe, of the vertical pipe, the shaft end of the motor is provided with a bevel gear, and the bevel gear meshes with a bevel gear at the lower end of the shaft pipe. According to the technical scheme, the technique is reliable, the requirements for skills of personnel are reduced, the input of manpower and material resources is greatly reduced, and the paeonia ostii transplanting device has great economic benefits and application prospects.

The present invention discloses a transmission shifting mechanism fatigue endurance test method. The method comprises the following steps: the transmission shifting mechanism is fixed according to the actual vehicle installation location mode; the load being the same as the actual vehicle is applied on the shifting finger of the shifting mechanism to drive the shifting arm of the shifting mechanism to complete the shifting operation and detect the turning angle of the shifting finger of the shifting mechanism at present, if the turning angle is in the range of the qualified turning angle when the shifting of the shifting mechanism is performed, the shifting is successful to accumulate one time to the total shifting number of the times and return the shifting finger of the shifting mechanism back to the neutral gear position, and the operation steps mentioned above are repeated until the total shifting number of times reaches a regular test number of times or beyond the range of the e qualified turning angle when the shifting of the shifting mechanism is performed. The operation is simple, the test result is objective and reliable, the simulation precision is high, and the universality is high.

The invention discloses a stamping type melon seed shelling robot. The robot comprises a base, a feeding part, a vibration part and a stamping part, wherein the feeding part comprises a feeding framewhich is vertically arranged on one end of the base; a feed bin supporting frame is arranged on the feeding frame, a feed bin is hinged to the upper portion of the feed bin supporting frame, a weighing bin is arranged in front of the feed bin, and the weighing bin is obliquely arranged; the vibration part comprises a rotary base which is arranged on the center of the base, and the vibration part further comprises a rotary frame, a rotary motor, a main gear, a driven gear and four vibration modules; the stamping part comprises a stamping frame which is vertically arranged at one end of the base. According to the stamping type melon seed shelling robot, by arranging the multistation vibration modules, the multistation processing of melon seeds is achieved, and the work efficiency is high, and by arranging vibration separation plates and two layers of fixing separation plates, the melon seeds automatic falling into work positions is achieved, and melon seed shelling work is prepared well;and the stamping type melon seed shelling robot has unique structure and reliable working theory.

The invention relates to a special opening and closing tool for an unlimited full-bore staged fracturing sliding sleeve, which is provided with a salvage device, a sealing isolation device and a sliding sleeve positioning opening and closing device, a password block is arranged in the sliding sleeve positioning opening and closing device, and the salvage device comprises a salvage mechanism and a salvage mechanism. The sealing and isolating device in the switch tool has the function of a packer, and can seal and isolate stratum sand through a rubber sleeve between the switch tool and the inner wall of a staged fracturing sliding sleeve connected in a well completion pipe string, so that the sealing and isolating device can be used for sealing and isolating the stratum sand, and the sealing and isolating device can be used for sealing the inner wall of the staged fracturing sliding sleeve in the well completion pipe string. And the risk that movable parts of the device are stuck by sand is greatly reduced, later salvage construction is facilitated, and conditions are created for safe pulling-out of the device. And the production cost is obviously reduced. The mode that the fracturing sliding sleeve is opened by moving up and down in a well completion pipe string is adopted, the working principle is simple, and convenience, practicability, safety and reliability are achieved.

The invention provides an auxiliary baffle, comprising: a main baffle, an air duct and a funnel; an inner annular groove and an outer annular groove are arranged on the back of the main baffle; the inner annular groove and the outer annular groove are arranged between the inner annular groove and the outer annular groove There is an annular convex isolation belt; the top of the back of the main baffle is provided with a slot, which is respectively connected with the inner annular groove and the outer annular groove; the upper part of the main baffle is provided with a through hole, which is located inside the inner annular groove; The upper part of the front of the main baffle is provided with a blocking door; one side of the through hole is provided with a rotating shaft; the bottom end of the rotating shaft is fixedly connected with the front of the main baffle, and the top of the rotating shaft is rotatably connected with the blocking door; the discharge port of the funnel , for inserting into the through hole on the baffle of the main body; the air duct is used for inserting into the highest point of the top of the hole to be repaired through the outlet of the funnel and the through hole on the baffle of the main body. The application of the invention can greatly improve the work efficiency, improve the quality of on-site repair, and reduce the operation cost.

The invention relates to a positioning system without satellite support. The positioning system without satellite support is a remote sensing measuring system used for accurate positioning on target people, equipment, or facilities, and comprises an unmanned plane and a control system. A method comprises following steps: an original landform database collected using a satellite at an early stage is adopted to establish an on-site coordinate system in the control system; the unmanned plane is used for taking and sending on-site images; the control system is used for identifying the on-site images, and realizing accurate stacking of image data onto the original landform database, so that on-site image coordinates are generated automatically; when target people, equipment, or facilities are detected, the control system is used for sending the related images and coordinates to a command center. The positioning system without satellite support is capable of providing real-time on-site images at the same time.

A method for shaping the ceramic product includes uniformly mixing the raw materials, extruding the mixture in a vacuum flexible cavity of the mould, and stripping the flexible cavity from the raw chaped ceramic product. Said mould is composed of a movable mould, a fixed mould, and a flexible cavity in the movable and fixed mould set.

A method for shaping the ceramic product includes uniformly mixing the raw materials, extruding the mixture in a vacuum flexible cavity of the mould, and stripping the flexible cavity from the raw chaped ceramic product. Said mould is composed of a movable mould, a fixed mould, and a flexible cavity in the movable and fixed mould set.

The invention discloses a fatigue endurance test measuring method for an automobile automatic gearbox P-gear parking mechanism. According to the method, a computer starts a driving motor through a motor controller so as to control the parking mechanism to park at the P gear; the computer collects torque signals output by a torque sensor through a data collector in real time, and whether P-gear parking is successful or not is judged according to collected torque of an axle shaft of the automatic gearbox to be measured; the computer automatically accumulates the number of recording tests until a stipulated number of tests are completed or the P-gear parking mechanism is ineffective, and the computer automatically ends testing. Test measuring is performed on the fatigue life of the P-gear parking mechanism through simulating test working conditions, on an ascending road and a descending road, of the automatic gearbox, so that the reliability and accuracy of the fatigue endurance tests performed on the automobile gearbox P-gear parking mechanism are improved.

The invention discloses a method for monitoring an underwater geomembrane by using a node array. The method comprises the steps of: a first step, setting a monitoring node array, and setting middle-section monitoring nodes in a first line or the last line into a square monitoring plate and a square cover matching the square monitoring plate, and arranging stress and strain detecting devices in thesquare monitoring plate; a step 2, connecting the monitoring node array to a downward side of the geomembrane and attaching the monitoring node array onto an underwater reservoir basin or a channel bottom surface, wherein the stress and strain detecting devices communicate with a central server of a control center through a network; and a step 3, allowing a central server technician of the control center to obtain monitoring data of the monitoring node array, performing determination, and acquiring initial geomembrane deformation or coordinates of a damaged position. The technical solution can achieve targeted modular production of the middle-section monitoring node located in the first line or the last line, facilitates lap joint during on-site construction, and has great economic benefits and application prospect.