189 results about "Torque converter" patented technology

The present invention provides a collaborative robot that allows for easy attachment and detachment of the fifth-axis motor and torque converter from the upper arm. [Solution] The output shaft 512 of the fifth-axis motor 51, which rotates the support arm 16 of the collaborative robot 1 around the fifth axis A5, is positioned along the fourth axis A4. Inside the upper arm 15 of the collaborative robot 1, the fifth-axis motor 51 and a torque converter 53 that converts the torque of the output shaft 512 into torque around the fifth axis A5 are housed. The upper arm 15 is a cylindrical housing and has an arm body 151 with an opening 2 for mounting the fifth-axis motor 51 and the torque converter 53, and a cover 152 that covers the opening 2 and is attached to the arm body 151. When viewed from a direction along the fifth axis A5, the fifth-axis motor 51 and the torque converter 53 are housed in the internal region within the opening edge 20 of the opening 2.

The invention discloses a method, a device and equipment for processing clamping stagnation of a hydraulic control loop of a hydraulic torque converter. The method, the device and the equipment are used for realizing self-cleaning of clamping stagnation of the hydraulic control loop of the hydraulic torque converter. The method comprises the steps that vehicle gear information, the vehicle speed, the engine rotating speed and the turbine rotating speed are obtained; when the vehicle gear information, the vehicle speed, the engine rotating speed and the turbine rotating speed meet the target conditions, it is determined that the hydraulic torque converter hydraulic control loop is in a clamping stagnation state; and when the hydraulic control loop of the hydraulic torque converter is in a clamping stagnation state, the hydraulic torque converter is controlled to control the current of the electromagnetic valve to change in a pulse form.

A method for assembling a pilot into a torque converter housing is provided, comprising: (a) providing the pilot having an annular flange in a mating region; (b) forming a torque converter housing with a complementary recess or annular groove in the annular flange in a mating connection region; (c) positioning the pilot in the torque converter housing with the annular flange at least partially engaged in the complementary recess or annular groove; and (d) applying force and energy to the pilot to weld it to the torque converter housing. A torque converter assembly is also provided.

To provide a hybrid vehicle with improved responsiveness in recovering from fuel cut-off. [Solution] The system comprises an engine, a filter for collecting exhaust particulate matter from the engine, a motor provided on a power transmission path between the engine and the drive wheels, a torque converter having a lock-up clutch provided on the power transmission path between the motor and the drive wheels, and a control device, wherein the control device includes a determination unit that determines whether there is a request to return from fuel cut-off in the engine based on accelerator input while performing auxiliary regeneration control in which the motor assists the rotation of the engine while releasing the lock-up clutch to regenerate the filter by cutting off fuel in the engine, and an auxiliary return control unit that, if the determination unit makes an affirmative determination, restarts fuel injection in the engine with the lock-up clutch released and assists the rotation of the engine with the motor.

A method for controlling a torque output of a hybrid power machine, comprising the following: during a temporary increase in torque in response to a change in the target output torque of a powertrain (200), setting a power machine output torque and a motor output torque in response to a change in the target output torque of the powertrain (200), Adjusting the motor output torque in response to a response to a speed of a drive wheel (285) of a torque converter (206), characterized by Adjusting the power machine output torque for a power machine torque error in response to the settings of a motor torque.

This utility model provides a positioning device for improving the transmission accuracy of a torque converter assembly, belonging to the field of mechanical engineering technology. It includes a mounting mechanism and a mounting component. The mounting component has a chassis and a mounting groove formed on the chassis. The torque converter assembly is detachably mounted in the mounting groove. The positioning mechanism includes a drive component and a limiting component. This utility model, through improved structural design of the positioning device, effectively solves the problems of low positioning accuracy, unstable clamping, and easy damage to the workpiece surface in traditional torque converter assembly positioning methods. It adopts a flexible protection mechanism combining an elastic contact surface and a buffer pad layer, which not only improves clamping stability but also reduces the risk of wear on the torque converter assembly surface. Simultaneously, by using a knob to drive the limiting component, it achieves simultaneous improvement in operational convenience and positioning accuracy, effectively ensuring the transmission performance and service life of the torque converter assembly and meeting the needs of high-precision assembly and efficient production.

The utility model discloses a kind of compactor winch mechanism driven by motor, belong to compactor device technical field.A kind of compactor winch mechanism driven by motor, including reel, further include: motor, the output end of the motor is fixedly connected with torque converter;Planetary reducer, with the output end of torque converter fixed connection, and the planetary reducer is installed in reel;Normally open inner expansion clutch, is installed on the output end of planetary reducer;The utility model drives combination by motor plus torque converter, and working efficiency is higher;Motor is more easily accurate control, conducive to the intelligent development of compactor;Energy conservation and emission reduction, green environmental protection;Motor structure is simple, easy to install and refit.

To provide an air conditioning system for electric vehicles that does not require a fuel tank. [Solution] The air conditioning unit 38 of the electric vehicle 12 is equipped with a heat generation control unit 84 that, when there is a heat generation demand, drives the second electric motor MG2 with the lock-up clutch 20 released, thereby raising the temperature of the fluid that transmits power in the torque converter 22 and using it as a heat source for the air conditioning unit 38. This provides an air conditioning unit 38 for the electric vehicle 12 that heats up quickly and provides sufficient heating performance.

The application provides a hydraulic torque converter control method and device, and belongs to the field of automobile gearbox control. When current vehicle parameters meet preset conditions, especially when the current vehicle speed is within a preset vehicle speed range, the clutch in the hydraulic torque converter is controlled to switch to a sliding friction state, that is, a semi-linked state. In this state, the engine can stop fuel injection, and the engine can also be prevented from stalling due to low wheel speed dragging the engine or the engine losing connection with the wheels. In summary, the engine can continue to be fuel cut on the basis of avoiding engine stall, the fuel cut time is prolonged, and oil consumption is further reduced.

A structure and method of assembly of a torque converter assembly can independently set a clutch disengagement distance (CL) without being affected by axial clearance. The assembly includes a torque converter cover having a first axially extending flange, a reaction ring having a second axially extending flange, and a torque converter pump having a third axially extending flange. The first axially extending flange, the second axially extending flange and the third axially extending flange are interconnected by a single connection point, and the second axially extending flange and the third axially extending flange are provided with interworking structures for limiting relative axial movement between the reaction ring and the torque converter pump prior to connection.

Torque converter (10) which includes: a rotation axis (A); a stator assembly (26, 226) comprising a side plate (36, 236) with a first radial surface and a thickness (t); a turbine (20) containing a plurality of blades (79); an impeller (18) comprising a plurality of blades (81) and an impeller housing (16) with a second radial surface facing the first radial surface of the side plate (36, 236); a hydrodynamic thrust bearing (50, 250) arranged between the stator side plate (36, 236) and the impeller housing (16) and comprising: a pressure surface (52, 252) facing the first radial surface or the second radial surface, with a fluid channel in between; a bearing surface (54, 254) which is opposite the pressure surface (52, 252) and faces the other radial surface, the first radial surface or the second radial surface; an inner circumferential surface (56, 256) that defines an opening concentric to the axis of rotation (A); an outer circumferential surface (58, 258); and an axial retaining means (60) for attachment to the stator side plate (26, 236) or the impeller (18), comprising at least two elastic tongues (60), each tongue comprising: a bendable section (262); a lockable section (264); and an axial section (266) with a first width (w2) connecting the bendable section (262) and the lockable section (264), wherein the bendable section (264) also serves as a lockable section (264), and wherein the axial section (266) with a width (w2) connects the bendable section (264) to the radial surface (254).

The utility model relates to the field of bolt machining devices, and discloses a hydraulic torque converter bolt derusting and polishing device which comprises a bottom plate, two inner vertical plates are symmetrically mounted on the two sides of the upper surface of the bottom plate, a first limiting column and a second limiting column are rotationally mounted on the opposite sides of the two inner vertical plates correspondingly, and a hexagonal notch is formed in the end face of the first limiting column; a second motor is installed on the side face of the inner vertical plate on the same side with the first limiting column, the output end of the second motor is fixed to the corresponding end of the first limiting column, outer vertical plates are installed on the edges of the two sides of the upper portion of the bottom plate, and the first motor drives the two-way lead screw to rotate and drives the two inner vertical plates to drive the first limiting column and the second limiting column to move. The bolt is clamped and limited between the first limiting column and the second limiting column, and the second motor is matched, so that the rotating first limiting column can be matched with the second limiting column to drive the clamped and limited bolt to continuously rotate, the threaded end of the bolt continuously makes contact with abrasive paper, and automatic polishing of the bolt is achieved.

The invention relates to the field of hydraulic torque converters, and provides a hydraulic torque converter transmission system with graded power takeoff, one end of a cover wheel is in clutch connection with a planetary gear mechanism through a first clutch mechanism, the other end of the cover wheel is in clutch connection with a pump wheel through a third clutch mechanism, the pump wheel is in transmission connection with a turbine, the turbine is connected with the planetary gear mechanism, and the planetary gear mechanism is connected with an output shaft. The pump wheel is connected with a common power take-off port, the cover wheel is connected with an engine and a steady-speed power take-off port, and the steady-speed power take-off port is connected with a power take-off port accessory through a fourth clutch mechanism in a clutch mode. The cover wheel and the engine have the same rotating speed, the rotating speed of the steady-speed power take-off port and the power take-off port accessory is linearly related to the rotating speed of the engine, and the rotating speed of the general power take-off port is linearly related to the rotating speed of the pump wheel. The rotating speed and torque transmission relation between the engine and the torque converter pump wheel is actively adjusted by controlling the first clutch mechanism and the third clutch mechanism, it is ensured that the rotating speed of the engine does not drop under the working conditions of vehicle starting, gear shifting and the like, and then a common power take-off opening and a steady-speed power take-off opening are formed in the torque converter.

An improved torque converter may include a front cover and a piston disposed for movement within an internal bore of the front cover between unlocked and locked positions. The piston includes at least one one-way flow device disposed in the piston. The at least one one-way flow device permits fluid flow therethrough from a rear side of the piston to a forward side of the piston when in in an open position and restricts fluid flow therethrough from the forward side of the piston to the rear side of the piston when in a closed position. A clutch assembly is disposed between the rear side of the piston and the top plate that is disposed within and secured to the front cover. The clutched assembly is engaged to the top plate when the piston is in its locked position, and disengaged when the piston is in its unlocked position.

The application is suitable for the technical field of fluid mechanics experiment, and provides a circulating water tunnel blade impact jet velocity multi-stage regulation test device, which comprises an experimental water tunnel, a velocity multi-stage regulation mechanism, a water pump, a laser generator, a pulse laser controller, a blade angle adjusting mechanism, a high-definition CCD camera, a water tank, an image acquisition computer and a signal synchronous collector; the water tank, the water pump and the experimental water tunnel are connected through pipelines to form a circulating loop; the velocity multi-stage regulation mechanism is installed on the experimental water tunnel; the blade angle adjusting mechanism is installed on the back plate of the experimental water tunnel; the laser generator is arranged above the experimental water tunnel; the optical axis of the high-definition CCD camera is perpendicular to the pulse laser sheet light provided by the laser generator; and the image acquisition computer is signal-connected with the high-definition CCD camera through the signal synchronous collector. The device can dynamically simulate the complex actual working conditions of a hydraulic torque converter with high fidelity, and realizes the visual measurement of the blade near-wall flow field.

The application discloses an automatic control system of energy-increasing throughput equipment and a control method thereof. The control system comprises a control module, a detection module, a preset module and an execution module. The control module analyzes and judges the detection data obtained by the detection module in real time according to the preset working pressure or working displacement limit value of the limit module, and the execution module executes the operation instruction issued by the control module. According to the preset working pressure or working displacement limit value, the control method detects and collects the data such as engine speed, torque converter gear position, communication valve opening, working pressure and working displacement in real time, and transmits the data to the control system in real time. The control system analyzes the detection data and controls the engine speed, torque converter gear position and communication valve opening, so that the automatic control of the energy-increasing throughput equipment is realized. The application has the advantages that the production efficiency of the energy-increasing throughput equipment is effectively improved, the damage of the torque converter and other linkage devices is reduced, the use and maintenance period of the energy-increasing throughput equipment is prolonged, and the oil and gas exploitation cost is reduced.

The invention relates to a land leveler front-drive control system and method, in the land leveler front-drive control system, a land leveler comprises an engine, a torque converter and a gearbox; the front-drive control system comprises a controller, a front-drive pump and a front-drive motor, the controller is used for receiving data signals, analyzing and calculating the data signals and then outputting control signals, and a rotating speed sensor is arranged on the gearbox and used for detecting the rotating speed of a torque converter turbine and calculating the rotating speed of rear wheels; a motor rotating speed sensor is arranged on the front drive motor and is used for sensing the rotating speed of the front drive motor and transmitting a data signal to the controller; the controller is connected with the front-drive pump and the front-drive motor and used for controlling the displacement of the front-drive pump and the front-drive motor, the hydraulic driving change is responded, the pressure of the front-drive hydraulic system is controlled according to the driving force of the rear wheel driven by the hydraulic power, the driving force of the front wheel and the rear wheel are kept in an adaptive relation, and the driving force of the front wheel and the driving force of the rear wheel are adjusted. And better driving performance is provided.

The application discloses a control system of a loader closed hydraulic torque converter, and the control system comprises a data sensing layer, an analysis decision layer and a system execution layer; the data sensing layer is used for acquiring operation data and operation data of the loader under different working conditions and transmitting the data to the analysis decision layer; the analysis decision layer determines a required working condition of the hydraulic torque converter through a decision result of a control area decision, and issues a required working condition control instruction to the system execution layer; and the system execution layer receives the control instruction issued by the analysis decision layer, and controls the action of a lock-up clutch in the hydraulic torque converter through an electro-hydraulic execution system. The loader closed hydraulic torque converter slip control system of the application can ensure fuel economy and improve the whole machine driving smoothness, provides a theoretical basis for automatic control of a three-working-condition process of the hydraulic torque converter, and provides technical support for solving the contradiction between fuel economy and driving smoothness of the loader.

The utility model belongs to the technical field of hydraulic torque converters, and relates to a large-tonnage hydraulic torque converter with a closed front shell, which comprises a front shell, the front shell is sequentially connected with a middle section and a gear box, the middle section is internally connected with a pump hub through a turbine shaft, the pump hub is connected with a torque converter core, the torque converter core is connected with an input shaft, the input shaft is connected with a disc, and the disc is connected with a gear box. A bearing and a sealing assembly are arranged between the input shaft and the front shell. In order to solve the problems of an existing large-tonnage hydraulic torque converter, the partition plate is additionally arranged between the hydraulic torque converter machine core and the engine, the framework oil seal with the small size can be adopted, the relative linear speed at the position of a sealing lip of the framework oil seal is reduced, the double-oil-seal structure is adopted, the service life of the framework oil seal is prolonged, and when the framework oil seal leaks oil, the sealing performance of the framework oil seal is improved. And the framework oil seal can be replaced without disassembling the hydraulic torque converter core, so that the maintenance is convenient.

The utility model discloses a walking system, belongs to the technical field of roadway lorry, and particularly relates to a walking system of a coal mine roadway lorry, which comprises a gearbox, a torque converter, a radiator, a variable speed pump and a shock-proof pressure gauge. The torque converter is connected with the gearbox, the radiator is connected with the gearbox, the torque converter and the shock-proof pressure gauge at the same time, the variable speed pump is installed on the torque converter, and the shock-proof pressure gauge is connected with the gearbox, the torque converter and the radiator. The coal mine tunnel dumper adopts a hydraulic walking system (namely hydraulic transmission), has remarkable advantages in a complex underground environment, particularly has outstanding performance in the aspects of heavy-load transportation, terrain adaptability and control flexibility, can output constant high torque at a low speed, and easily meets the requirement of heavy-load transportation in a coal mine tunnel.

The invention discloses a fluid-solid coupling-based hydraulic torque converter modeling method and system for a backflow type system, and the method comprises the following steps: analyzing a power transmission path of a backflow type hydraulic transmission system, collecting related parameters of an engine and a planetary gear, and working conditions of a hydraulic torque converter, collecting geometric parameters of the hydraulic torque converter, and constructing a geometric model; simplification and flow field hypothesis processing are carried out on the geometric model, the processed model is divided into a solid domain and a fluid domain, a fluid-solid coupled model architecture is established, simulation setting of the fluid domain and the solid domain is carried out, and then the torque of the pump impeller and the torque of the turbine are calculated when the blades do not deform and after the blades deform; the influence of the blade deformation on the torque ratio and the transmission efficiency of the hydraulic torque converter is obtained. Internal flow field simulation and analysis of blade strength and deformation of the hydraulic torque converter can be achieved, the improved design of the hydraulic torque converter is effectively guided, the product development period is shortened, a large amount of capital cost is saved, a foundation is provided for further research, and a theoretical basis is provided for engineering practice.

A turner gear assembly (36) for turning a rotor (16) of a wind turbine (10) includes a turner gear (40) and a valve housing (62) or space configured to be in fluid communication with a hydraulic system. The turner gear (40) includes a motor (42), a torque converter (44), and a torque coupling element (46). The turner gear (40) further includes a brake system (60) connected to the motor (42) and having a no-slip brake mechanism (98) that prohibits the motor (42) from rotating when acted on by a torque less than a predetermined torque threshold. The brake mechanism (98) provides a consistent braking force over extended periods of time that is immune to leaks in fluid-based actuators. A turner drive system (34), which includes the turner gear assembly (36), a rotor lock (38), and a controller (80), is also disclosed for avoiding stuck rotor lock conditions. Additionally, a method of installing wind turbine blades (24) on a wind turbine (10) using the turner drive system (34) is disclosed.

Breakaway torque prevention systems and associated methods are disclosed. An exemplary apparatus includes an electric motor having an output shaft, a drive shaft for driving one or more wheels of a vehicle, a fluid torque converter for operatively coupling the output shaft of the electric motor and the drive shaft, and a clutch movable between an open and a closed position. The clutch serves to fluidly couple the output shaft of the electric motor and the drive shaft when the clutch is in the open position. The clutch serves to allow the electric motor to bypass the fluid torque converter in order to mechanically couple the output shaft of the electric motor and the drive shaft when the clutch is in the closed position.

A method for torque control of an internal combustion engine of a vehicle according to a transmission hydraulic pressure, comprising: providing an internal combustion engine torque converter connected to the internal combustion engine and an automatic transmission of the vehicle, the internal combustion engine torque converter being configured to distribute the torque of the internal combustion engine to the wheels of the vehicle; confirming (S10), by an internal combustion engine torque control device (10), whether a turbine speed differential satisfies an internal combustion engine torque control entry condition during the shifting of the automatic transmission; calculating (S20), by the internal combustion engine torque control device (10), a required turbine torque to prevent a shift shock using at least one of a turbine angular acceleration, a driving resistance torque, or a clutch magnet torque; performing (S30),by the internal combustion engine torque control device (10), using a turbine torque factor learning, as a stored value of the turbine torque factor learning, a result obtained by applying an accelerator pedal value and / or an internal combustion engine torque and / or a transmission fluid temperature at the beginning of the actual shifting operation, to an entry condition of the turbine torque factor learning under the condition that no breakaway occurs during the shifting operation, applying an average turbine acceleration or an average internal combustion engine torque reference reduction to a condition to prevent the turbine torque factor learning, and generating and storing the result of the turbine torque factor learning according to the shift time that started at the actual shift start point, convert (S40), by the internal combustion engine torque control device (10),of the stored value of the turbine torque factor learning into an internal combustion engine torque control value by the required turbine torque, and applying, by the internal combustion engine torque control device (10), the internal combustion engine torque control value to the output of the internal combustion engine.

The application provides a high-power hydraulic transmission for fracturing operation, which comprises a first planetary gear train, a second planetary gear train, a third planetary gear train, a fourth planetary gear train, a torque converter, a first clutch, a first brake, a second clutch, a second brake, a third brake and a fourth brake. The application realizes seven gears through the combination of the two clutches, the four brakes and the four planetary gear trains, and the speed ratio difference between each gear is not more than 1.5, so that the high-pressure pump has higher output power.

The invention discloses a first-order vibration fault testing method for a hydraulic torque converter of a rear-drive transmission, and belongs to the technical field of automobile transmission system testing. Related information of the hydraulic torque converter carried by the to-be-tested vehicle is confirmed, and the relation between the order and the frequency of the hydraulic torque converter is calculated; determining a vehicle related structure, working condition information and a vehicle state during abnormal jittering; making a test project plan; arranging a vibration sensor, connecting the vibration sensor to LMS equipment, and carrying out a full-working-condition test; data are collected, and vibration energy contribution is analyzed; integrating a test result, judging a problem part, and formulating an optimization scheme; and verifying the effect of the optimized sample piece, and finally determining a problem sample piece. According to the method, the technical problem that the first-order vibration fault of the hydraulic torque converter under the high-speed working condition of a rear-drive pickup truck is difficult to accurately recognize and position is solved, the reliability and driving smoothness of a transmission system are improved, and scientific and reliable technical support is provided for design optimization and fault diagnosis of the hydraulic torque converter.

The application discloses a kind of evaluation method and system of variator lockup shock, the method includes: monitoring variator turbine speed and transmission output speed;Combination the variator turbine speed and the transmission output speed determines first evaluation index, and according to the transmission output speed determines second evaluation index;Combination the first evaluation index and the second evaluation index, or separately using the second evaluation index evaluates the variator lockup shock torque.

The present application relates to the technical field of hydraulic transmission oil, and particularly relates to a hydraulic transmission oil composition with high shear stability and a preparation method thereof. The hydraulic transmission oil composition comprises the following components in parts by weight: base oil 85-99 parts, composite additive 0.1-5 parts, viscosity index improver 1-10 parts, pour point depressant 0.1-2 parts, and anti-foaming agent 0.001-0.1 part. The base oil is at least one of type I, type II and type III base oil. The viscosity grade of the base oil is No. 4, No. 6 or No. 8. The hydraulic transmission oil composition has high shear stability, good low-temperature performance, good copper strip corrosion resistance and good rust prevention, and can be used in vehicle hydraulic couplings and hydraulic torque converters, and can also be used in the hydraulic transmission system of engineering machinery.