555 results about "Transfer case" patented technology

A transfer case includes a mainshaft, an oil distribution device, and a lubricating pump, with the lubricating pump having a pumpshaft offset from the axis of the mainshaft. The transfer case includes a rear housing in which the lubricating pump housing is disposed in radially offset location, where lubricating oil is drawn via suction to the pump housing from a sump at the bottom of the transfer case. The pump pressurizes the oil and delivers the oil via passageways extending between the radially offset pump and the oil distribution device, which surrounds the mainshaft. The passageways may be provided in a manifold block that is fixed to the housing. The manifold block may provide an anti-rotation feature to the oil distribution device, such that drag on the oil distribution device caused by rotation of the mainshaft is counteracted.

The invention relates to the technical field of control strategy simulation test, in particular to a test method and device for a transfer case control strategy, a vehicle and a storage medium. Inputting the running data of the vehicle, the motor signal of the transfer case and the driving operation information of the user into a pre-constructed transfer case control strategy simulation test platform, and analyzing the running data, the motor signal and the driving operation information by using the transfer case control strategy simulation test platform; and obtaining a test result of a pre-constructed transfer case control strategy simulation test platform according to the analysis result. Therefore, the problems of long test period, high cost, difficulty in comprehensively covering all possible driving road conditions and extreme conditions and the like caused by real vehicle test are solved, various operation parameters in a whole vehicle environment are simulated through the transfer case control strategy simulation test platform, control signals and results in the operation process are observed, and the control strategy is tested and verified.

The invention discloses a hybrid airport fire fighting truck chassis operation control system, which comprises a chassis frame, a water pump, a power battery and a vehicle control unit, and further comprises a diesel engine mounted on the chassis frame; the power takeoff is connected with the diesel engine; the AT gearbox is also connected with the diesel engine; the AT gearbox is connected with the input end of the power transfer case through a transmission shaft; and the driving motor is connected with the input end of the power transfer case through a speed reducer. The problems that a traditional chassis is single in power source, vehicle in-out garage emission waste gas treatment and driving power take-off are solved, the problem that a vehicle cannot run when an engine breaks down or a motor breaks down is solved, and the problems that the whole vehicle is insufficient in power performance and poor in economical efficiency are solved.

The disclosure relates to a driving apparatus for a mobile crane comprising an internal combustion engine, an electric machine, and a transfer case for selectively distributing power outputted to the transfer case to a driving mechanism, and to a pump arrangement for performing crane operation, wherein the internal combustion engine cooperates with an input shaft of the transfer case that cooperates with the driving mechanism, the electric machine cooperates with an intermediate shaft of the transfer case, and the pump arrangement cooperates with an output shaft of the transfer case. The driving apparatus comprises a first clutch arranged between the input and intermediate shafts for coupling them to each other or decoupling them from each other as required, and a second clutch arranged between the intermediate and output shafts for coupling them to each other or decoupling them from each other as required.

A military vehicle including a chassis, a cab mounted to the chassis and defining a rear wall, an engine mounted to the chassis, a transfer case coupled to the engine and including a driven output providing mechanical power to the military vehicle and a generator output, and an electric machine positioned rearward of the rear wall of the cab and coupled to the generator output of the transfer case and generating electrical power.

A drive for a mobile material processing plant includes an internal combustion engine and an electric motor. The internal combustion engine can be selectively coupled to or uncoupled from a mechanical drive train at its drive end by an internal-combustion-engine clutch and the electric motor can be selectively coupled to or uncoupled from the mechanical drive train by an electric-motor clutch. The drive train has an output end having at least one output, wherein at least one machine unit, in particular an electric generator, is driven by the output(s). The at least one machine unit may be coupled to or uncoupled from the output by a shiftable machine-unit clutch, and the electric-motor clutch or the internal-combustion-engine clutch may be operatively connected to the machine-unit clutch via a coupling, in particular a mechanical or hydraulic coupling.

The utility model provides a transfer case, range extender assembly and engineering machinery, transfer case is applicable to the engineering machinery, the engineering machinery comprises an engine, a generator and a hydraulic pump, transfer case includes: transfer case, transfer case includes casing and is located the planetary gear subassembly in the casing, planetary gear subassembly includes planet carrier, sun gear and a plurality of planet gear, the multiple planet gears are arranged around the outer circumferential face of the sun gear at intervals, and all the planet gears are installed on the planet carrier and engaged with the sun gear. Wherein the planet carrier is connected with an output shaft of the engine, and the sun gear is in transmission connection with an input shaft of the generator, so that the problem that in the prior art, an engine of a range extender structure for engineering machinery cannot work in the optimal efficiency interval all the time is solved.

An electric pump system and method of operating the same involves pumping a fluid through a fluid passageway defined in a mechanical pump from a pump inlet to a hollow shaft of a motor, through the hollow shaft to an internal motor cavity defined by a housing of the motor, and through another fluid passageway defined in the motor housing and mechanical pump that leads to a pump outlet. The system and method further involve pumping the fluid through another fluid passageway defined in the mechanical pump from yet another pump inlet to the pump outlet. The temperature of fluid exiting the hollow shaft can be assessed and used by an electronic control unit (ECU) of the electric pump system to control the same. The electric pump system can be part of a cooling and lubrication system for an electric vehicle transmission, gearbox, differential or transfer case, for example.

The utility model relates to the technical field of agricultural implements, in particular to an automatic speed regulation type traction type hydraulic self-power driving rake which comprises a frame used for being connected with a tractor, a rake body connected to the periphery of the frame, a main power device installed on the frame, a hydraulic transfer case connected to the main power device and an oil pump installed on the hydraulic transfer case. An oil pipe is connected to the oil pump, a proportional valve used for adjusting the flow of liquid in the oil pipe is installed on the oil pipe, and a branch power device used for being connected with the oil pipe is installed on the rake body. Power is transmitted through hydraulic pressure, flexible driving is carried out, a machine tool can be well protected if hard sundries exist, an oil pipe can be made of a soft pipe so that assembly layout can be more convenient and reasonable, the size of the driving harrow can be conveniently increased according to requirements, and the rotating speed of harrow teeth can be adjusted more flexibly through hydraulic transmission; the increase and decrease of the liquid flow can be steplessly adjusted through the proportional valve, so that the adjustable range of the rotating speed is expanded to adapt to different soil environment requirements.

The invention relates to a truck-mounted concrete pump (1) with a hydraulically driven concrete pumping device (2), a first hydraulic pump (3), a second hydraulic pump (4), the first and second hydraulic pumps (3, 4) being provided for the joint hydraulic drive of the concrete pumping device (2), and a first drive motor (5) provided for the mechanical drive of the first and second hydraulic pumps (3, 4), which are connected to one another in a drive-force-transmitting manner. The first and second hydraulic pumps (3, 4) are connected in a drive-force-transmitting manner via a coupling (7), which is provided for selectively interrupting the drive-force-transmitting connection between the first hydraulic pump (3) and the second hydraulic pump (4). In a first variant of the invention, the first and second hydraulic pumps (3, 4) form a hydraulic pump train (6), which connects them in a drive-force-transmitting manner.In a second variant, the first and second hydraulic pumps (3, 4) are connected to each other via a transfer case (30) to transmit drive force.

The utility model belongs to the technical field of agricultural machinery transmission systems, and particularly relates to a front drive axle assembly of a hydraulic stepless speed change harvester, which comprises a gearbox body, a first shaft, a second shaft, a third shaft, a left half shaft and a right half shaft of a differential assembly are rotatably connected in the gearbox body, and the first shaft is in transmission connection with an output end of a hydraulic stepless speed change motor. The first shaft is sleeved with a first shaft gear A, the second shaft is sleeved with a first-stage speed reduction driven gear, the second shaft and the third shaft are in transmission fit through a gear position gear assembly, the third shaft is sleeved with a third shaft gear A, a left half shaft and a right half shaft of the differential mechanism assembly are in transmission connection with the tail end transmission box assembly, and one end of the third shaft extends out of the gearbox body to form a four-wheel drive reserved end. According to the utility model, a transmission mechanism which is driven by the hydraulic stepless variable-speed motor and is provided with multi-gear speed change is adopted, so that the requirements of simple operation and stable and reliable transmission are met, and a four-wheel-drive reserved end which can be in transmission fit with a four-wheel-drive transfer case is reserved, so that the complete machine can be ensured to have enough driving force.

A grinder for processing a food product includes a base and a drive unit supported on the base. The drive unit includes a housing, a motor housed in the housing, and a transfer case operatively connected to the motor and comprising an output. The grinder also includes a grinder head connectable with the output of the transfer case. The grinder head includes an inlet, a screw conveyor, a rotating knife, and an outlet comprising a fixed hole plate. The motor is operable to impart rotation of the screw conveyor and rotating knife so that the food product fed into the grinder head inlet is fed to the screw conveyor, which forces the food product past the rotating knife and through the fixed hole plate. The drive unit comprises a fan configured to discharge air from the drive unit. The drive unit housing and transfer case are configured so that the air discharged from the drive unit induces an airflow in the drive unit. The airflow is drawn into the drive unit through the transfer case, passes over a heat sink formed inside the transfer case, and exits the transfer case, passing through a cooling channel formed by the drive unit housing. The cooling channel extends along the length of the motor.

The invention discloses an energy-saving type aircraft tractor intelligent driving control system, and relates to the technical field of vehicle driving control, an electric control clutch is connected in series between a transfer case and a rear axle, a controller unifies mechanical capacity, thermal capacity and synchronous bandwidth as permission functions, and permissible four-wheel drive is output; the pedal change rate and the motor torque are mapped into intention intensity, the two-drive slipping critical torque is estimated, a four-drive request / two-drive keeping is generated in combination with steering consistency and task intensity, and the four-drive request / two-drive keeping is submitted only when permission is established; arbitrating by using a state machine with manual priority, setting an entry / exit threshold value and de-jittering, and executing and coding back-off according to a pre-synchronization and torque law containing heat / speed difference suppression; actual energy and a constant four-wheel drive base line are metered in a fixed window, the duty and switching are counted, the energy / heat / smoothness composite cost is constructed, and weighted write-back is carried out on threshold projection. And safe connection is achieved, impact overheating is restrained, the duty energy consumption is reduced, and parameter consistency and migration are improved.

The utility model relates to the technical field of machine manufacturing, and discloses a turnover transfer case test trolley which comprises a support and a working table, grips are fixedly installed on the left side and the right side of the upper portion of the support, cushion blocks are fixedly installed on the left side and the right side of the support, bearings are movably arranged on the cushion blocks respectively, and the bearings are fixedly installed on the working table. A hand-cranking speed reducer is fixedly installed on the left side of the support, a transmission shaft is installed at the output end of the hand-cranking speed reducer, the other end of the transmission shaft is connected with a bearing on the left side, a rotating shaft is movably installed at the other ends of the two bearings, and baffles are fixedly installed at the upper end and the lower end of the working table top. According to the turnover transfer case test trolley, under the action of the turnover structure and the driving structure, the test precision can be improved, test data errors caused by inconvenient operation are reduced, the test precision is improved, operation is convenient, the angle of the transfer case can be flexibly adjusted according to actual needs, and the turnover transfer case test trolley adapts to different test environments and operation requirements.

The invention discloses an intelligent multi-drive high-low pressure water tanker and a control method thereof, and relates to the technical field of water tanker, the intelligent multi-drive high-low pressure water tanker comprises a water tanker body, the water tanker body is provided with a carriage, the carriage is provided with a front bin, a middle bin and a rear bin, the front bin is provided with a high pressure plunger pump, the middle bin is provided with a water storage tank, and the rear bin is provided with a water pump. The rear bin is provided with a low-pressure water pump, the high-pressure plunger pump is connected with the water storage tank through a first pipeline, and the low-pressure water pump is connected with the water storage tank through a second pipeline. Power is obtained through the sandwich type power takeoff, power distribution is achieved through the transfer case, and power is provided for the high-pressure plunger pump, the hydraulic pump and the low-pressure water pump; the three power output modules cooperatively operate, so that the fire fighting truck has multiple functions of high-pressure precise fire extinguishing, low-pressure large-flow water supply, hydraulic equipment driving and the like, and the comprehensive capacity of the truck in a fire rescue task is remarkably improved.

The utility model relates to the technical field of urban drainage, in particular to a modified drainage vehicle. The refitted flood drainage vehicle comprises a vehicle body, a closed box body is arranged on the rear portion of the vehicle body, a generator and a submersible pump are arranged in the box body, a box door capable of being opened or closed is arranged on the tail portion of the box body, a transfer case is arranged on a chassis of the vehicle body, and an output shaft of a gearbox of the vehicle body is connected with an input shaft of the transfer case through a shaft. One output shaft of the transfer case is connected with a rear axle of the vehicle body, the other output shaft of the transfer case is connected with a main shaft of the generator through a transmission mechanism, the generator is sequentially connected with a power supply and a controller through lines, and the controller is connected with the submersible pump. The generator set has the advantages that the structural design is simple and reasonable, and the problems that a traditional generator set for the portable flood drainage vehicle is used as a power supply, the driven submersible pump is limited, the working efficiency is low, and the passing flexibility is influenced by the weight increase of the whole vehicle are solved.

The invention provides an integrated multi-motor fracturing pump, a fracturing truck and a fracturing pry, and relates to the field of fracturing equipment. The fracturing pump comprises an integrated structure formed by integrating and connecting a crankcase assembly and two same transfer case assemblies arranged at the two ends of the crankcase assembly, a power box component with a fracturing pump base at the bottom, and a plurality of motors which are arranged above the crankcase assembly in a centralized mode, divided into two groups and connected with the input ends of the transfer case assemblies at the two ends respectively. And the fluid end component is connected with the output end of the crankcase assembly. The motor, the transfer case and the crankcase are integrated at the power end of the fracturing pump, so that the fracturing equipment which is compact in structure, small in occupied space, concentrated in gravity center, stable in operation, simple and convenient to drive, capable of reducing noise, energy consumption and emission, energy-saving and environment-friendly is provided; therefore, the technical problems that an existing electric drive fracturing device is complex in structure, high in requirement for the installation technology, large in overall weight, large in space size, inconvenient to transport and the like are solved.

A pinch type transfer gearbox comprises a base, a box body is fixedly arranged on the base, a box cover is arranged at the top of the box body, an input shaft is rotationally arranged at the geometric center position of an inner cavity of the box body, the two ends of the input shaft penetrate through the box body and extend to the outer side, and the input shaft is sleeved with an input gear; the input gear is fixedly connected with the input shaft through a locking mechanism; a first output shaft in transmission connection with the input shaft and a plurality of middle shafts are arranged in an inner cavity of the box body in the circumferential direction of the input shaft, a plurality of second output shafts in transmission connection with the middle shafts are arranged on the two sides of the input shaft of the box body, and the output ends of the first output shaft and the second output shafts penetrate through the box body. The utility model has the advantages of reliable connection, convenience in assembly, long service life of the gear, stable multi-path power distribution and the like.

This is a trailer with independent half-axle suspension, the supporting structure of which consists of a frame (1), a split central support tube (2), and a chassis (3) with independently suspended running wheels (6). The chassis (3) comprises a front axle (31) with an integrated front transfer case (311) and pivotally mounted portal half-axles (312), and at least one rear axle (32) with an integrated rear transfer case (321) and pivoting rear half-axles (322). The support tube (2) is connected to the frame (1) via cross members (4). The solution consists in the support tube (2) being composed of a two-part front section (21) and rear sections (22) arranged at different heights, with the front section (21) being mounted higher than the rear section (22).and that the rear section (22) of the support tube (2) is provided with at least one intermediate plate (41) for the stepped connection of the axles (31) and (32) with the front section (21) of the support tube (2), which connects the support tube (2) to the front transfer case (311), wherein brake flanges (81) with brake carriers (82) for attaching the brake system of the trailer wheelset are attached at the ends of the half-axles (312) extending laterally from the front transfer case (311), and an independent wheel suspension (7) of the wheels (6) of the chassis (3) is mounted on the half-axles (312), which is attached to the underside of the frame (1) and is based on a bellows air spring (71), and an adjustable, vertically oriented trailer coupling (5) is attached to the end part of the front section (21) of the support tube (2).

A double-motor double-gear gearbox of a pure electric loader comprises two motors, a coupling input assembly for dynamically coupling the two motors, a gear shifting assembly with a two-gear speed changing function, an output shaft and a brake installed on the output shaft. The transmission is characterized in that the coupling input assembly, the gear shifting assembly and the output shaft are sequentially meshed from top to bottom and distributed in a parallel shaft mode, and a three-level parallel shaft structure is formed. A three-stage parallel shaft structure is formed, the axial size of the gearbox is shortened, the structural compactness of the gearbox is improved, the space requirement for arrangement of the gearbox is lowered, flexible arrangement of the gearbox and a transfer case on the loader is facilitated, the power output requirement for speed reduction and torque increase is met, and the requirement for output torque of a motor is lowered; walking driving requirements under different working conditions are met, and the weight and cost of the gearbox are reduced.

1. The name of the design product: transfer case sensor. 2. The use of the design product: the design product is used for installation on the transfer case, and the real-time monitoring of the engine wear state, water emulsification, and pollution state indicators is realized by collecting oil data in the transfer case. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

The application discloses a kind of hybrid harvester drive system and operation mode switching control method, it is related to agricultural new energy machinery technical field, the engine output end of this system is connected with transfer case, the first output end of transfer case is connected with gearbox and drive axle via ISG motor and clutch C1, and second output end is connected with operation mechanism via output PTO and clutch C2;ISG motor is connected with power battery via ISG motor controller.Electric motor and operation motor in motor assembly are connected with power battery via corresponding motor controller respectively, and electric motor drives drive axle, and operation motor independently drives operation mechanism.The application can realize pure mechanical, pure electricity, series charging and discharging and other various driving modes by the cooperation of engine and motor assembly, combined with the on-off control of clutch C1 and C2, meet the power demand under different operation scenarios, improve energy utilization efficiency, reduce energy consumption and emission, simplify transmission structure at the same time, improve system reliability.

A tooth jump protection device for controlling chain slack, delaying the torque at which chain jump occurs, thereby improving chain jump torque performance. The tooth jump protection device is preferably mounted to a transfer case.

The application discloses a kind of static hydraulic pressure land leveler control method and system, belong to static hydraulic pressure land leveler control field, static hydraulic pressure land leveler includes engine, accelerator pedal, walking pump, first hydraulic motor, second hydraulic motor and transfer case;Engine selects different speed section according to load condition;After the speed section of engine is determined, the current speed of engine will only fall into current speed section;According to the opening of accelerator pedal, change the displacement of walking pump, first hydraulic motor and second hydraulic motor and the engagement state of first hydraulic motor and / or second hydraulic motor to control the speed of land leveler.The speed section of engine is adjusted according to load condition, and the displacement and engagement state of walking pump and hydraulic motor are controlled in combination with the opening of accelerator pedal, which can realize accurate control of the speed of land leveler, improve work efficiency and reduce fuel consumption.

The present disclosure relates to a vehicle control method and vehicle to address the technical problem in related art whereby the vehicle loses its four-wheel drive function by opening the friction plates to dissipate heat when the friction plates overheat. The method comprises: determining whether the temperature of the friction plates in the vehicle's transfer case assembly is greater than a preset temperature threshold when the friction plates are in a compressed state; if the temperature is greater than the preset temperature threshold, controlling a mechanical locking mechanism in the transfer case assembly to enter a locked state and controlling a transfer case transmission mechanism in the transfer case assembly to open the friction plates. In the locked state, the mechanical locking mechanism locks the transfer case transmission mechanism and the vehicle's wheel drive mechanism, thereby enabling the vehicle to enter a four-wheel drive state.

The utility model provides a hydraulic control device of a flat car. The hydraulic control device of the flat car comprises a main controller, a hydraulic pump, a transfer case, two direct-current servo motors and two motor drivers. The transfer case is provided with two input shafts and an output shaft, the two direct-current servo motors are in transmission connection with the two input shafts of the transfer case respectively, and the hydraulic pump is in transmission connection with the output shaft of the transfer case. The two direct-current servo motors are electrically connected with the two motor drivers respectively, and the two motor servo drivers are electrically connected with the main controller; the main controller simultaneously sends control instructions to the two motor drivers so as to control the two direct-current servo motors to synchronously rotate; in the utility model, the main controller simultaneously sends the control instructions to the two motor drivers to control the two direct-current servo motors to synchronously rotate, and the two direct-current servo motors drive the hydraulic pump to rotate through the transfer case, so that compared with a single direct-current servo motor for driving the hydraulic pump to rotate, the input power of the hydraulic pump can be improved; and stable operation of the flat car is maintained.

The utility model relates to the technical field of plasma preservation equipment, in particular to a Prp finished product preservation and transfer box which comprises a box body and a box cover, a mounting groove is formed in the bottom end of the box body, a rotating shaft is rotationally connected into the mounting groove, and the bottom end of the rotating shaft extends upwards into the box body and is fixedly connected with a first placing disc. The positioning holes in the two sides of the second containing disc are inserted into the supporting rods on the two sides of the first containing disc, so that the first containing disc and the second containing disc can be stored in the box body in a layered mode, the space utilization rate in the box body is effectively improved, and then the storage number of plasma tubes is increased; in the storage process, a rotating shaft can be controlled to alternately rotate in a reciprocating mode by starting a reciprocating driving assembly, and at the moment, the rotating shaft can drive a first containing disc and a second containing disc on the rotating shaft to synchronously rotate; and the first placing disc and the second placing disc can generate a continuous oscillation effect on the prp finished product in the plasma tube in the reciprocating alternate rotation process, so that the quality of the prp finished product is ensured.

The utility model provides a disconnected type vehicle frame and a mine truck, the disconnected type vehicle frame comprises a front vehicle frame and a rear vehicle frame, a slewing bearing is arranged between the front vehicle frame and the rear vehicle frame, the outer ring of the slewing bearing is fixedly connected to the rear end part of the front vehicle frame, and the inner ring of the slewing bearing is fixedly connected to the front end part of the rear vehicle frame; and the inner ring and the outer ring of the slewing bearing are rotationally connected. Compared with an existing integral frame vehicle, the front frame and the rear frame adopting the slewing bearing can rotate in a small range in the advancing direction, so that an axle can be in better contact with the ground, the driving force of the vehicle is increased, and the cross-country performance of the vehicle is improved; compared with an existing articulated truck that a power assembly and a transfer case are both installed on a front truck, the power assembly of the disconnected truck frame adopting the slewing bearing is installed on the front truck frame, the transfer case is installed on the rear truck frame, the size of a front overhang and a wheel base of the whole truck is small, the length of the whole truck is reduced, applicability is improved, and wide application and popularization prospects are achieved.

The invention provides a vehicle control method, a vehicle control device and a vehicle, the method is applied to the field of vehicle fault diagnos.The method comprises the steps that when it is detected that a transfer case system of the vehicle has a fault, fault information of the transfer case system and a power distribution mode of the vehicle are obtained; determining whether the vehicle is capable of driving in a power distribution mode based on the fault information of the transfer case system; when the vehicle cannot run in the power distribution mode, the four-wheel-drive state signal of the vehicle is set to be a first preset value, and the first preset value indicates that a drive distribution system of the vehicle breaks down. According to the method, the fault diagnosis robustness of the transfer case system can be improved.

The invention relates to the technical field of tailings treatment, and discloses a tailings pretreatment device for mine filling and a treatment method thereof.The tailings pretreatment device comprises a bottom plate, and a stirring assembly and a mounting frame are arranged on the two sides of the top of the bottom plate correspondingly; the stirring assembly comprises a mixing tank for storing tailings, a stirring paddle for stirring and a speed regulating motor for driving the stirring paddle to rotate; the device further comprises a gas-liquid jet flow tailing dynamic suspension mechanism. An air compressor operates to distribute high-pressure air to a two-fluid mixing spray head through a connecting pipe and an annular air conveying pipe, the high-pressure air is sprayed into a mixing tank in an annular jet flow mode, and tailings deposited at the bottom of the tank are subjected to dynamic suspension disturbance; and the liquid flows to the two-fluid mixing spray head through the transfer box, the one-way valve pipe and the liquid conveying pipe in sequence and is mixed with high-pressure gas to form atomized liquid drops, the atomized liquid drops penetrate through gaps of tailings, and the problems that traditional sprayed chemicals are not uniform and the bottom is hardened are solved.