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

Rapid wear test system and rapid wear test method for AMT clutch plate

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.
Owner:TIANJIN UNIV

Test method for measuring dynamic transmission efficiencies of actuator of AMT clutch

InactiveCN102980768AMeasure efficiency in real timeMeasured efficiencyMachine gearing/transmission testingTorque transmissionDrive motor
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.
Owner:CHONGQING UNIV OF TECH +1

Test measurement method for critical parking speed of P-shift parking of automatic gearbox

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.
Owner:CHONGQING UNIV OF TECH +1

Gate valve assembly comprising a support member

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.
Owner:FMC TECH INC

Electric appliance for preparing beverage

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.
Owner:广州又一客网络技术有限公司

Fire-fighting electromagnetic door stopper and mounting method thereof

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.
Owner:安徽忠盛新型装饰材料有限公司

Test measuring method for critical P-gear parking automobile speed of automobile automatic gearbox

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.
Owner:CHONGQING UNIV OF TECH +1

A vertical device for steaming and removing residual solvent in rapeseed meal

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.
Owner:泰州市海鑫高新技术投资发展有限公司

A kind of transplanting device and method of Fengdan

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.
Owner:济宁市农业科学研究院

Special opening and closing tool for unlimited-level full-bore staged fracturing sliding sleeve

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.
Owner:CHINA PETROLEUM & CHEM CORP +1

an auxiliary baffle

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.
Owner:CENT RES INST OF BUILDING & CONSTR CO LTD MCC GRP +1
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