1277 results about "Transaxle" patented technology

The invention discloses a strict safety trajectory optimization control method and system for an under-actuated bridge crane. The method comprises the following steps: constructing a variable rope length kinetic equation model of the bridge crane; setting an end point constraint, a speed constraint and an acceleration constraint for a given initial trolley and rope length expected running track; respectively optimizing a trolley reference speed and a rope length reference speed based on the end point constraint, the speed constraint and the acceleration constraint; performing angle constraint by using a first control obstacle function, and setting an upper bound and a lower bound of a swing angle state variable; performing obstacle avoidance constraint by using a second control obstacle function; obtaining a cost function according to the first control barrier function and the second control barrier function; and solving the QP problem to obtain the corrected control input mu meeting the angle constraint and the obstacle avoidance constraint. According to the strict safe trajectory optimization control method and system for the under-actuated bridge crane, the moving trajectory is optimized, meanwhile, obstacles can be effectively avoided, and swing of the load is reduced.

The retractable tonneau cover for truck bed vehicles and similar, object of the present invention, comprises a mechanism box (100) provided with a winding stress shaft (10), and in the electric model, a drive axle (20) driven by an electric motor that enable the movement of opening and closing a retractable tonneau cover mat. The mechanism box is provided with an embodiment that improves the drainage system in order to prevent the accumulation of water inside it. In addition to the electrical model, the box (100) has a relief on its face that receives the control module with access from the outer portion, which improves accessibility and avoids the need to open the entire set, in case it needs maintenance, further having a management and activation system via Bluetooth and radio frequency.

The present disclosures relate to methods and systems for a hybrid powertrain. The hybrid powertrain system includes an integrated axle configured to provide mechanical power to a first pair of wheels, the integrated axle comprising a first motor-generator and a first drive axle such that the first motor-generator and at least a portion of the first drive axle are mechanically coupled to a common housing. The system also includes a second motor-generator configured to be mechanically coupled with an engine via a first clutch and mechanically coupled with a second drive axle via a second clutch, the second drive axle mechanically coupled with a second pair of wheels. A controller is electrically coupled with the first and second motor-generators, the engine, and the first and second clutches, the controller configured to enable a fully electric mode, a series hybrid mode, a parallel hybrid mode, and a regenerative mode of operation.

An electrically driven axle assembly is disclosed. In various embodiments, the electrically driven axle assembly includes a main housing; a differential plate configured for mounting within the main housing; a differential assembly, the differential assembly disposed adjacent the differential plate and having a bearing configured for mounting within a plate orifice that extends within the differential plate; a first drive shaft having a first inboard end connected to the differential assembly and a first outboard end configured to receive a first wheel; a first electric machine configured to drive the differential assembly; and a first gear assembly configured to operably couple the first electric machine to the differential assembly.

This invention relates to the field of rear drive axle assembly technology, and more particularly to an assembly fixture for a wire retaining ring for a rear drive axle half-shaft. The fixture includes an assembly sleeve containing a cylindrical wire retaining ring placement groove and a cylindrical clearance groove, the latter communicating with the bottom surface of the placement groove. During assembly, the wire retaining ring is first placed in the placement groove. Then, the assembly fixture with the wire retaining ring is aligned with the half-shaft end face. Next, the second end of the assembly sleeve is pressed or struck, causing the wire retaining ring and the assembly sleeve to expand outwards by the half-shaft. Finally, after the wire retaining ring moves into the half-shaft groove, it retracts and returns to its original position. Using this assembly fixture, the wire retaining ring only needs to expand to the outer diameter of the half-shaft to complete the assembly, effectively reducing the possibility of the wire retaining ring failing to retract and return to its original position, thus improving the assembly quality stability of the wire retaining ring.

The utility model provides a wet type fallen leaf sweeping vehicle which comprises a main vehicle frame, a differential drive axle is fixed on the bottom side of the main vehicle frame, a drive motor drives wheels to walk through the differential drive axle, a water tank is fixed above the main vehicle frame, a fan is fixed below the water tank, the front portion of the water tank is designed to be a seat, and a battery is fixed below the seat. The upper portion of the water tank is designed into a tool box and an electric appliance box space, the water pump is installed in the electric appliance box, an air outlet pipe is fixedly connected to the outer side of the exhaust end at the front end of the fan, and an atomizing nozzle is fixed in the air outlet pipe. According to the electric wheel type sweeping vehicle, the electric wheel type integral structure is adopted, the physical limitation of manual carrying is avoided, the battery capacity is expanded, the endurance is prolonged, meanwhile, water with a proper capacity can be loaded, the wet type sweeping operation is improved through the effect that fine water mist is generated and mixed with air mist, and raised dust is reduced; and a good tool for riding instead of walk is provided for long-distance operation of operators, so that the physical strength is saved, and the working efficiency is also improved.

The utility model provides a harvester chassis device which comprises a harvester frame, a steering drive axle, a speed-changing gear box, a bracket, an engine shell and a main drive axle, the bracket is arranged on the steering drive axle and fixedly connected with one side of the engine shell, the other side of the engine shell is connected with the speed-changing gear box, the speed-changing gear box is connected with the main drive axle, and the main drive axle is connected with the steering drive axle. The harvester frame comprises a working frame body and a supporting frame body which are detachably connected, one end of the supporting frame body is connected with the main drive axle, the other end of the supporting frame body is connected with the bracket, the bottom of the working frame body is connected with the top of the supporting frame body, and the working frame body and the supporting frame body are detachably connected through a plurality of locking buckles. According to the chassis device of the harvester, equipment can be conveniently disassembled and assembled through the split body of the frame structure, the harvester is provided with a plurality of power output shafts, the universality and universality of the equipment are improved, and the problems that in the prior art, a chassis device of the harvester and the harvester are high in specificity, narrow in application range, poor in part universality, high in maintenance cost and the like are solved.

The invention discloses a posture adjustment driving mechanism and a hinged type all-terrain vehicle, the posture adjustment driving mechanism is connected with a frame, and longitudinal driving axles are arranged on the left side and the right side of the frame. The posture adjusting driving mechanism is provided with a side bridge adjusting mechanism. A lifting driving mechanism is arranged at the rear end of the side bridge adjusting mechanism and can drive the single-side longitudinal driving axle to swing up and down; a differential mechanism linkage system is arranged at the front end and comprises a differential mechanism connected with the frame, half shafts at the two ends of the differential mechanism are connected with the longitudinal drive axle through a multi-connecting-rod mechanism, the differential mechanism is provided with a decoupling mechanism, and connection between the half shaft on the single side and a differential mechanism shell can be removed. A power mechanism and a gearbox are fixed to the frame and provide walking power for the longitudinal drive axle. The longitudinal drive axle is composed of a middle axle frame, a hollow swing arm and the like, power transmission, steering control and independent height adjustment can be achieved, and the passing adaptability of complex terrains is effectively improved.

To effectively use heat generated in a transaxle for heating inside a cabin.SOLUTION: A vehicle is a four-wheel-drive vehicle based on front-wheel driving. A front-wheel transaxle includes a front-wheel motor, a reduction gear, and a differential gear, and transmits drive power of the front-wheel motor to front wheels. The front-wheel transaxle includes a disconnect mechanism. An air-conditioner uses heat (waste heat) that is generated in the front-wheel transaxle for heating inside a cabin. In a case where heating is requested (a positive determination at S10) and the disconnect mechanism is disconnected (a positive determination at S11) and if a first condition (a travel state with a heat dissipation to outside air from the front-wheel transaxle being equal to or higher than a given value) does not hold (a negative determination at S12), a control ECU requests connection of the disconnect mechanism. It is therefore possible to use the heat generated by co-rotation of the front-wheel transaxle for heating the inside of the cabin.SELECTED DRAWING: Figure 3

A drive axle assembly and a vehicle comprising same. The drive axle assembly comprises a hub mechanism, a driving mechanism and a braking mechanism. The hub mechanism is connected to the driving mechanism. The braking mechanism is movably connected to the driving mechanism, and the braking mechanism is used for braking the driving mechanism to achieve braking of the hub mechanism.

The invention discloses a high-voltage lithium battery cross-country telescopic arm type forklift which comprises a chassis driving part, a front driving steering axle and a rear driving steering axle, wherein the chassis driving part comprises a reduction gearbox, a traction motor is directly mounted on the front driving steering axle, and the rear driving steering axle is connected with an output flange at the lower end of the reduction gearbox through a transmission shaft; the front drive steering axle and the rear drive steering axle are both steering drive axles, an electric push rod can drive a clutch to achieve four-wheel-drive and two-wheel-drive function switching, steering of the front drive steering axle and the rear drive steering axle can be independently controlled, three modes of independent front wheel steering, crab-shaped steering and four-wheel concentric steering are achieved, and a steering kingpin-mounted angle sensor monitors the steering angle of wheels. According to the invention, the chassis driving part adopts the front driving steering axle and the rear driving steering axle which are integrated with the reduction gearbox, the traction motor is directly connected with the front axle and the reduction gearbox, and power transmission is realized through the transmission shaft. Meanwhile, the electric push rod controls the clutch, the four-wheel drive mode and the two-wheel drive mode can be rapidly switched, and the power requirements under different working conditions are met.

The outdoor garden operation vehicle comprises a vehicle frame, a left drive axle assembly, a right drive axle assembly, a mowing component, a power supply component and a braking module, and the braking module comprises a braking and parking assembly; a user steps on the braking and parking assembly to generate braking force to the left drive axle assembly and the right drive axle assembly, the braking and parking assembly comprises a pedal assembly, the pedal assembly comprises a main pedal and an auxiliary pedal, and the user steps on the main pedal to enable the braking module to enter a braking state and a parking state. A user treads the auxiliary pedal to enable the brake module to release the parking state. Braking can be achieved by treading the main pedal by a user, parking can be achieved by continuously treading the main pedal, and switching of the braking mode and the parking mode better conforms to the using habit of the user; when the parking mode is released, only the auxiliary pedal needs to be treaded, and the overall operation is more convenient.

According to the multi-connecting-rod type automobile suspension device, through cooperative cooperation of a multi-connecting-rod assembly, a damping support, an axle and a damping assembly, wheel vertical vibration caused by the road surface can be efficiently converted into a multi-connecting-rod swing vector, and self-adaptive damping adjustment is achieved by means of a damper and air cylinder composite structure in the damping assembly; impact can be effectively buffered in the compression stroke, springback can be restrained in the stretching stroke, it is ensured that tires continuously grip the ground, meanwhile, sound insulation materials are additionally arranged at the ends of the dampers, running noise is effectively reduced, impact energy in the vertical direction is further absorbed by integrating multiple sets of spiral springs through a drive axle, rigid transmission to an automobile main frame is reduced, and the service life of the automobile is prolonged. The whole structure is high in rigidity and reasonable in spatial arrangement, and has good vibration absorption performance, reliability and comfort, and the driving smoothness, the control stability and the noise vibration comfort of a vehicle are remarkably improved.

The utility model discloses a planet multiple steering mechanism which comprises a gearbox body provided with an output shaft, a planet carrier and a planet wheel, an inner gear ring and an outer gear ring are arranged on the outer wall of the gearbox body, and the inner gear ring and the outer gear ring drive the output shaft to rotate and output torque. A first wet clutch bag capable of locking the planet carrier and the output shaft and a second wet clutch bag capable of fixing the planet carrier are arranged in the gearbox body. The rear end of the gearbox body is provided with a lubricating oil port used for injecting oil into the first wet clutch pack and the second wet clutch pack, a first high-pressure oil hole used for injecting oil into the first piston corresponding to the first wet clutch pack and a second high-pressure oil hole used for injecting oil into the second piston corresponding to the second wet clutch pack. The driving method comprises a two-drive mode, a non-multiple four-drive mode and a multiple four-drive mode and can be used for a tractor gearbox and a tractor steering drive axle, front wheel multiple is provided when a tractor steers, and small-radius steering is achieved.

The utility model belongs to the technical field of front drive axles, and particularly relates to a light-weight tractor front drive axle which comprises a front axle body, a reinforcing plate is fixedly connected to the outer wall of the front axle body, a driving shaft penetrates through the outer wall of the front axle body, and a first bevel gear is fixedly connected to one end of the driving shaft. A rubber backing ring and a cover plate are arranged to drive a sealing ring on the outer wall of a connecting block to be attached to the inner wall of an oil injection opening, sealing operation on the oil injection opening is achieved, then a rotary knob rotates to drive a threaded column to slide along the connecting block through a bolt, and therefore the oil injection opening is sealed. The threaded column slides to drive the pressing ring at the top end of the pressing plate to move synchronously, then the pressing ring moves to press the rubber backing ring, the rubber backing ring deforms, the outer wall of the rubber backing ring is attached to the inner wall of the oil injection port, the sealing performance of the oil injection port is improved, and the situation that muddy water permeates into the front axle body through the oil injection port, and consequently workpieces in the front axle body are abraded is avoided.

The invention relates to an electric outdoor garden operation vehicle which comprises a vehicle frame, a left drive axle assembly, a right drive axle assembly, a mowing component, a power supply component and a brake module. The brake module comprises a brake parking assembly and a foot brake pump. The brake parking assembly comprises a pedal assembly, the pedal assembly extrudes a foot brake pump and generates braking force to the left drive axle assembly and the right drive axle assembly when being treaded by a user, and an oil brake force damping adjusting mechanism is arranged at the foot brake pump and used for enabling the pedal assembly to be continuously treaded when hydraulic oil in the foot brake pump is compressed to the limit. Therefore, a user does not feel the feedback that the brake is too hard in the treading process of the whole pedal assembly; the damping piece has initial damping force after being assembled, so that pedal bounce borne by a user in the treading process of the whole pedal assembly is gradually increased, the section where the bounce is obviously increased does not appear, and the overall braking feeling of the user is improved.

The invention provides an axle heat dissipation system of a distributed electric drive chassis and a control method, and belongs to the technical field of heavy new energy automobiles. The number of the heat dissipation modules corresponds to that of the drive axles, and each heat dissipation module comprises a heat dissipation device, a heat dissipation fan, an electronic water pump, a temperature sensor and a heat dissipation controller; each heat dissipation module is independently arranged on the outer side, close to the corresponding drive axle, of the frame, and the air outlet direction of each heat dissipation module is the side direction of the frame; a water outlet of the radiator, the electronic water pump, a cooling flow channel of the motor controller, a cooling flow channel of the driving motor and a water inlet of the radiator are sequentially communicated in series through a connecting pipeline to form an independent cooling circulation loop; the heat dissipation controller of each heat dissipation module is connected with the temperature sensor and the heat dissipation fan and used for adjusting the rotating speed of the heat dissipation fan according to temperature signals collected by the temperature sensor. The distributed heat dissipation modules are adopted and independently serve all the drive axles, and space arrangement is optimized.

The invention relates to the technical field of central differential adjustment, in particular to a torque distribution optimization-based central differential dynamic adjustment method, which comprises the following steps of: predicting a driving state based on a vehicle dynamics model and generating a feedforward torque distribution reference instruction; monitoring the rotating speed difference of front and rear drive axles in real time and generating a feedback torque correction instruction; the feedforward instruction and the feedback instruction are superposed to generate a total torque distribution instruction, and a central differential mechanism is controlled to execute inter-axle torque distribution; when it is detected that an individual wheel slips, the control system cooperates with an electronic stability program controller to work, and a total torque distribution instruction is dynamically adjusted by interacting a cooperation request and braking state information so as to achieve accurate distribution of driving torque to the best attached wheel; and meanwhile, the temperature of the multiple clutches is monitored in real time, predictive thermal management control or system protection strategies are executed in a graded mode according to temperature threshold values, and the reliability and durability of system work are ensured.

The invention provides a wheel slip suppression control method and device, a vehicle and a storage medium, the method is applied to the field of vehicles, and the method comprises the steps that by obtaining the drive axle speed and the drive axle acceleration of the vehicle, a first difference value between the drive axle speed and a first preset speed and a second difference value between the drive axle speed and a second preset speed are calculated; if the first difference value is larger than a preset threshold value, it is judged that the vehicle is in a slip state, a slip torque intervention mark is activated, a target torque slope is determined according to a second difference value between the drive axle speed and a second preset speed, and a slip suppression control strategy is generated according to an intervention request torque corresponding to the target torque slope to conduct slip suppression control. According to the method, the starting time of a slip torque intervention mark can be judged by monitoring the slip state of wheels, so that after the slip torque intervention mark is started, the intervention request torque is calculated in different slip stages and output to the wheel end, and the slip rate of the wheels is reduced.

The invention relates to a zero-steering mower, which comprises a frame, a left drive axle assembly, a right drive axle assembly, a mowing part and a power supply part, and is characterized in that the drive axle assembly comprises a shell and a plurality of shaft bodies; at least one shaft body is connected with a neutral gear mechanism, the neutral gear mechanism can be controlled to enable the drive axle assembly to be in a neutral gear state or a gear engaging state, the drive axle assembly outputs the power of the drive motor to the drive wheels in the gear engaging state, and the drive axle assembly does not output the power of the drive motor to the drive wheels in the neutral gear state. The neutral gear mechanism is arranged, and a user directly controls the neutral gear mechanism to control the drive axle assembly, so that the drive axle is in a neutral gear or gear engaging state; rotation of the wheels in the neutral gear state cannot transmit power to the driving motor, and the situation that the driving motor is in a power generation state and damages the mower when the mower is towed is avoided.

The invention relates to an outdoor garden operation vehicle which comprises a vehicle frame, a left drive axle assembly, a right drive axle assembly, a mowing component, a power supply component and a brake module, and the brake module comprises a brake parking assembly and a foot brake pump; the braking and parking assembly comprises a pedal assembly, the pedal assembly is hinged to the frame, the pedal assembly and the foot brake pump form a labor-saving lever, and a user steps on the pedal assembly to trigger the foot brake pump to generate braking force on the left drive axle assembly and the right drive axle assembly. Due to the existence of the labor-saving lever, enough braking force can be generated without too large force of directly treading the pedal assembly by a user, and the technical effect that effective braking can be achieved only with very large force in the prior art is solved.

The invention provides an ECVT variable speed power system which comprises an engine, a generator, a power battery pack, a motor and a drive axle assembly, the generator is electrically connected with the power battery pack, and the power battery pack is electrically connected with the motor; a first shaft is arranged at the output end of the engine, the first shaft is in transmission connection with an input shaft of the generator, and an intervention clutch is arranged on the first shaft. A second shaft is arranged at the output end of the motor, a planet wheel mechanism is arranged on the second shaft, a sun wheel of the planet wheel mechanism is in transmission connection with the second shaft, a gear ring is in transmission connection with the driven end of the intervention clutch, and a planet carrier is in transmission connection with an input shaft of the drive axle assembly. According to the invention, the planet wheel mechanism is driven by the motor, so that stepless speed change is realized; meanwhile, switching of multiple modes of a pure electric mode, a series mode and a hybrid mode can be supported, it is guaranteed that the engine operates in an economic interval, the energy efficiency is improved, oil consumption is reduced, and the use cost is low.

The invention belongs to the technical field of process optimization control, and particularly relates to a machining process optimization control method for a supporting shaft of a drive axle of a mining truck. The problems that existing machining depends on empirical parameters, quality fluctuation is large, and traditional PID control cannot dynamically adapt to working conditions are solved. The method comprises the following steps: collecting control parameters such as cutting speed and feeding amount and corresponding supporting shaft mass fractions, and constructing a sample data set; preprocessing the data to eliminate abnormal values and complement missing values; calculating influence weights of the parameters on quality, distinguishing key and non-key parameters, and identifying sensitive intervals of the key parameters; solving an optimal parameter combination by using a non-dominated sorting genetic algorithm in combination with the sensitive interval; and the optimal parameter is used as a PID set value, and the improved PID controller dynamic setting fused with the real-time quality deviation is designed. According to the method, experience dependence is replaced by data driving, the machining quality stability and consistency are improved, and the method adapts to complex working conditions.

The invention provides a double-motor electric drive axle transmission system with a power take-off output function, which belongs to the technical field of drive axle structures and comprises a first motor, a second motor and a corresponding planet row assembly. Output shafts of the first motor and the second motor are respectively connected with sun gears of respective planet rows, and planet gear input teeth and planet gear output teeth of the planet rows are respectively meshed with the sun gears and the inner gear rings; a first one-way bearing and a second one-way bearing which are opposite in rotating direction are installed on the first shaft, and a first driving gear and a third driving gear are fixed to outer rings of the first shaft respectively. A second driving gear is fixed on the second shaft, and a second driven gear is fixed on the third shaft; a first driven gear is fixed to the differential mechanism shell and meshed with the first driving gear and the second driving gear, and the third driving gear is meshed with the second driven gear. A left half shaft, a right half shaft and wheels are driven through a planetary gear shaft and a half shaft gear in the differential mechanism shell. Synchronous power take-off output of the vehicle during driving, backing up and parking is achieved, and the power utilization efficiency of the whole vehicle is improved.

A drive axle assembly includes a drive motor, a main reduction axle, a parking brake caliper, and a parking brake disc. The main reduction axle is connected to the drive motor and wheels of a vehicle, the main reduction axle includes an intermediate shaft and an intermediate gear, the intermediate shaft is coupled with the intermediate shaft, and an output shaft of the drive motor is coupled with the intermediate gear. The parking brake caliper includes an accommodating space. A part of the parking brake disc is located in the accommodating space, and the parking brake disc is connected to the intermediate shaft.

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.

The utility model belongs to the technical field of all-terrain vehicle power, and particularly relates to a hybrid all-terrain vehicle which comprises an engine. A crankshaft of an engine is connected with a generator, an engine connecting shaft gear is connected with one end of a clutch, the other end of the clutch is connected with a drive input shaft gear, the drive input shaft gear is in power connection with a drive motor, and the drive motor is meshed with the drive input shaft gear through a drive output shaft gear so as to transmit power to a front drive axle and a rear drive axle. The clutch is an embedded clutch and is embedded in a rotor of the driving motor; various driving modes such as pure electric driving, engine hybrid power and series connection range extending can be achieved, the power performance and fuel economy of the whole vehicle are improved, the maintenance cost of CVT belt replacement is saved, the reliability and transmission efficiency of a power system are improved, meanwhile, the requirements for the battery performance, the capacity, the cost and the weight are reduced, no endurance anxiety exists in field cross-country, and the power system is suitable for large-scale popularization and application. And the experience feeling is better.

The invention discloses an industrial vehicle all-in-one integrated electric driving system which comprises a shell (2), a walking unit, an operation unit, a first transmission component and a second transmission component are arranged in the shell (2), the operation unit is connected with the first transmission component, the walking unit is connected with the second transmission component, and the first transmission component is connected with the second transmission component. The shell (2) is provided with a motor controller (1), an operation device power takeoff (3), a drive axle (4) and a brake (5), the motor controller (1) is electrically connected with the walking unit and the operation unit, the operation device power takeoff (3) is connected with the first transmission component, and the brake (5) is connected with the second transmission component. The system has the advantage of being high in integration level, the system size can be remarkably reduced, the weight and cost are reduced, the transmission efficiency is improved, and the whole vehicle layout is simplified.

The invention relates to the field of robots, and discloses a permanent magnet adsorption wall-climbing robot which comprises a driving mechanism, and the driving mechanism comprises a front driving axle, a middle driving axle and a rear driving axle; the main frame comprises a front axle connecting frame, a connecting seat and a rear axle connecting frame, one end of the front axle connecting frame is hinged to the connecting seat, and the connecting seat is fixedly connected to the top end of the rear axle connecting frame; the front drive axle is connected with the middle drive axle through the front axle connecting frame. The device is composed of a front drive axle, a front axle connecting frame, a middle drive axle, a rear axle connecting frame and a rear drive axle, and six drive wheels are arranged in total. When the screw array spanning the vertical surface is arranged, at most two wheels of one drive axle are arranged on the screw array, and the other four wheels provide enough adsorption force to prevent gliding or falling, so that obstacles can be smoothly spanned, and the subsequent operation is not influenced. And meanwhile, climbing of the external corner and the internal corner can be easily achieved through the equipment.

The utility model relates to the technical field of mechanical equipment, and provides a drive axle and an operation machine. The drive axle comprises an axle housing, two half shafts, a first speed reducer, a second speed reducer and a brake, and the two half shafts are rotationally arranged in the axle housing; the first speed reducer is arranged between the two half shafts in a transmission manner; the second speed reducers are arranged at the ends, away from the first speed reducers, of the half shafts in a one-to-one corresponding transmission mode. Hubs are arranged outside the second speed reducers in a transmission mode. The brake is arranged on the axle housing and connected with the hub, and the brake is used for controlling rotation of the hub. According to the drive axle, the defect that the drive axle in the prior art is generally large in size due to the fact that the transmission ratio of the drive axle is low is overcome, the drive axle with the large transmission ratio is achieved, and operation mechanical efficiency and installation compactness are improved.