1842results about "Winding mechanisms" patented technology

The invention belongs to the technical field of cranes, and particularly relates to a compact low-clearance anti-swing crane and an anti-swing method. The device comprises a door frame; a hoist frame; a reel; a transverse driving motor; the hoisting mechanism is in transmission connection with the reel through a steel wire rope; the two groups of upper lifting pulley blocks are mounted on the hoisting frame and are arranged in parallel along the axis direction of the winding drum; the two lower lifting pulley blocks are installed on the lifting mechanism and arranged in parallel in the axis direction of the winding drum. The rotating center line of the upper lifting pulley block and the rotating center of the roller are located on the same plane. And the rotating center line of the lower lifting pulley block is lower than that of the lifting mechanism. The driving motor is transversely arranged, power is transmitted to the winding drum through the gearbox, meanwhile, the static size in the vertical direction is further reduced through the arrangement of the upper and lower pulley blocks with the low gravity center and the design of the lifting hook assembly with the high gravity center, and therefore under the given workshop clearance height, the working efficiency is improved. And the vast majority of vertical space is released to an effective cargo lifting stroke.

The invention discloses a winding drum rope arranging device which comprises a winding drum base, a winding drum, a gear transmission mechanism, a lead screw, a swing roller assembly, a convex shaft and a reversing assembly. The reversing assembly comprises a power assembly and a reversing clutch assembly. The gear transmission mechanism and the lead screw convert rotary motion of the winding drum into linear motion of the swing roller assembly, so that the winding drum moves along with the rope coiling position. When the winding drum is full of one layer, the swing roller assembly reaches the limit deviation position to drive the protruding shaft to rotate, the power assembly amplifies the rotation angle and conducts one-way transmission, and the reversing clutch assembly changes the rotation direction of the lead screw to achieve reversing. A pure mechanical structure is adopted, a sensor and an electric control system are not needed, reliability is high, and cost is low; the swing roller assembly reduces abrasion of the steel wire rope and limits the support to guarantee accurate movement; rope arrangement synchronization is achieved through the transmission ratio design, the reversing assembly has the precise reversing function and the torque protection function, the rope disorder and rope sinking phenomena can be effectively avoided, and the service life of the steel wire rope is prolonged.

The utility model relates to the field of coal mining, in particular to a coal mine elevator for coal mining. According to the coal mine elevator for coal mining, intermittent oil dripping lubrication can be conducted on a winding drum during use, meanwhile, flow is controlled to conduct oil dripping lubrication on a sliding wheel and a steel wire rope, abrasion of parts is prevented, the service life of equipment is prolonged, the maintenance cost is reduced, and use is convenient. A coal mine hoister for coal mining comprises a direct current motor, a speed reducer and the like, and an output shaft of the direct current motor is connected with the speed reducer. Intermittent oil dripping is carried out on the winding drum through movement or reset of the oil dripping head, meanwhile, quantity-controlled dripping of lubricating oil in the oil tank is carried out, oil dripping lubrication is carried out on a sliding wheel and a steel wire rope, and therefore the sliding wheel and the steel wire rope can be lubricated through oil dripping while intermittent oil dripping lubrication is carried out on the winding drum in the using process, and the service life of the sliding wheel and the steel wire rope is prolonged. The service life of equipment is prolonged, the maintenance cost is reduced, and the use is convenient.

A winch control system is disclosed. The winch control system may be used to control or operate a winch on a vehicle in a selected mode, such as a plow mode. The winch control system may include or receive input from selected sensors relative to the vehicle to assist in control and operation of the winch.

The utility model discloses dragging equipment for a fishpond aerator. The dragging equipment comprises a driving device, a transmission device, a hanging assembly and a limiting block set. The driving device is arranged at one end of the fishpond, and the transmission device is arranged at the other end of the fishpond relative to the driving device; the two ends of the mounting assembly are slidably connected to the driving device and the transmission device, the aerator and the limiting block sets are connected to the mounting assembly, and the aerator is arranged between the limiting block sets. The driving device and the transmission device are arranged at the two ends of the fishpond respectively, the hanging assembly can slide in the whole fishpond range, and therefore the aerator can flexibly move in the needed time and place. Therefore, the efficiency of oxygenation operation is improved, and the uniformity of oxygen distribution in each area of the fishpond is ensured.

A method and system for analyzing a vehicle winch design includes a preprocessor determining contact locations for winch components from a mesh model. The preprocessor determines load vectors at a winch assembly and counter-vectors at a fairlead based on a relative position of a winch wire and a hook retention location based on a winch load rating. A non-linear analysis system determines plastic strains, deflections, and clearances under the winch load rating based on the contact locations, load vector and counter vector, and communicates the plastic strains, deflections, and clearances to a post processing system. The post processing system compares the plastic strains to strain limit at a post processor, compares the deflection to a deflection limit, compares clearances to a clearance limit and generating a display based on comparing the plastic strains, compares the deflection to the deflection limit and compares clearances to the clearance limit.

The invention relates to the technical field of hydraulic capstan, in particular to a hydraulic capstan for cableway laying and a method for achieving cableway laying through the hydraulic capstan. Lateral supporting frames are fixedly arranged on the front side and the rear side of the top of the machine connecting rack correspondingly. A first winch unit and a second winch unit are installed on the left side and the right side of the top of the connecting machine frame respectively, a driving unit is arranged between the first winch unit and the second winch unit, and the first winch unit and the second winch unit are matched to achieve winding of a steel wire rope. The two winch units are synchronously driven by the single driving unit, and a built-in braking system is matched, so that the problems of asynchronous driving and insufficient braking force of the traditional double winches are solved from the double dimensions of power transmission and braking guarantee, and the safety and stability of large-load cableway laying operation are greatly improved.

Provided herein is an apparatus, system, and method for reducing a power drawn by a winch as it pulls a vehicle. Methods can include: receiving an indication to operate a vehicle in a winch mode; detecting movement of the vehicle caused by a force from a winch of the vehicle; determining of a speed of movement of the vehicle caused by the force from the winch pulling the vehicle; and providing for control of at least one driven wheel of the vehicle to rotate at a speed corresponding to the speed of movement of the vehicle within a predefined degree of similarity. According to some embodiments the speed of movement of the vehicle is determined based at least in part on a speed of rotation of at least one wheel not being driven by the powertrain of the vehicle.

The invention relates to the technical field of large-span steel box girder bridge construction, and discloses a lifting oil jack steel strand and steel box girder lifting lug connecting lifting appliance which comprises a lifting beam, a windproof fixing assembly is arranged at the bottom of the lifting beam, and a stress balance optimizing assembly and a buffering assembly are arranged at the bottom of the lifting beam. The stress balance optimization assembly is used for effectively controlling tension balance of each steel strand in the steel box girder hoisting process of a crane, the buffering assembly is used for effectively buffering impact caused by sudden movement when the crane hoists the steel box girder, and the windproof fixing assembly comprises a motor and a support. And the output end of the motor is fixedly connected with a first rotating shaft. By means of the structure, the problems that a combined body of the lifting appliance and the steel box girder shakes due to wind in the air, the gravity center shifts during lifting, the tension of a steel strand is uneven, and parts are damaged due to sudden movement impact can be effectively solved, the stable lifting posture and operation safety can be guaranteed, and local overload damage can be avoided.

The invention discloses an interference compensation control method for a heave compensation winch. The method comprises the following steps: based on a state space model of a heave compensation winch system comprising a heave compensation winch and a pump station, establishing a backstepping controller through a backstepping control method; establishing a parameter online estimation module of the hydraulic motor of the heave compensation winch, and inputting and processing the initial identification parameters of the hydraulic motor and the dynamic regression vector of the hydraulic cylinder to obtain the identification parameters of the hydraulic motor updated in real time; and inputting the identification parameters and the operation parameters of the heave compensation winch into a backstepping controller, outputting a valve core displacement control instruction of a proportional servo valve of a pump station after processing, and further realizing interference compensation control of the heave compensation winch by controlling the pump station. By means of the method, high-precision tracking and robust stability control over the heave compensation winch system can be still kept under the conditions that the model is uncertain and disturbance is strong, and support is provided for the underwater high-precision operation requirement.

The invention relates to the technical field of hydraulic winches, and particularly discloses a built-in hydraulic winch which comprises a winding drum structure, the winding drum structure comprises a winding drum, a winding drum front end side plate and a winding drum rear end side plate, and the winding drum front end side plate and the winding drum rear end side plate are installed at the two ends of the winding drum. According to the built-in hydraulic winch, a part of the stable bearing is shielded through the first check ring, the sealing performance among the first check ring, the second check ring and the motor structure is guaranteed through the oil seal between the second check ring and the first check ring, and a part of impurities such as dust and silt are blocked through the second check ring and the third check ring; therefore, the situation that external factors such as dust and silt enter the winding drum structure and make contact with the stable bearing is avoided, the influence of the factors such as dust and silt on the stable bearing is avoided, and the service life of the stable bearing and the coaxiality of the driving shaft and the first-stage sun wheel shaft are guaranteed. And the service life and the transmission efficiency of the two-stage planetary transmission mechanism are ensured.

A system for coordinating aircraft servicing tasks of a plurality of ground support equipment at an airport includes a plurality of beacons and one or more processing circuits. The plurality of beacons are configured to couple to the plurality of ground support equipment. The one or more processing circuits include one or more processors storing instructions thereon that, when executed by the one or more processors, cause the one or more processing circuits to acquire signals from the plurality of beacons and coordinate movement of the plurality of ground support equipment based on the signals and in accordance with an aircraft servicing plan.

An unmanned aerial vehicle includes: a mooring member capable of mooring an article; a linear member connected to the mooring member; a reel around which the linear member is wound. The unmanned aerial vehicle acquires information relating to wind strength around the article when the article is to be lowered from the unmanned aerial vehicle by controlling the reel; and controls the reel so as to provide a feeding amount of the linear member in dependence on the wind strength, on the basis of the acquired information.

The invention relates to the field of stage mechanical equipment, in particular to a collaborative lifting device and method for a flexible cable and a follow-up cable, the device adopts a single-input double-output speed reducer to drive double winding drums to synchronously rotate in a diameter-differentiated mode, and electrical errors are eliminated through mechanical synchronization; a lead screw nut of the automatic rope arranging assembly is rigidly coupled with a guide rail, and a rope arranging wheel is driven to linearly move to achieve zero-deflection-angle rope arranging. The spring assembly compensates the temperature and stroke difference in real time; the double-lifting-point and double-section structure of the flexible cable drum ensures that the ice screen is stressed evenly, and a slip ring is arranged in the cable drum to achieve rotation power supply and take-up and pay-off synchronization; the guide wheel set and the anti-disorder device restrain a cable path, and the limiting and positioning adjusting device ensures that a hanging point is accurate. According to the invention, arrangement of multiple matrixes and real-time attitude reconstruction are supported, the requirements of rapid switching and complex actions in performance are met, mechanical synchronization, tension self-adaption and redundant safety protection are realized, and the accuracy and reliability of cable cooperative lifting are ensured.

The invention relates to the field of winches, in particular to a cable take-up and pay-off winch with a guide mechanism, which comprises a bottom plate, a conical table, a first transmission rod, a first screw rod and a winch are arranged at the top of the bottom plate, two limiting strips are welded on the peripheral wall of the first transmission rod, and a transmission wheel is slidably arranged on the peripheral wall of the first transmission rod. The outer portion of the transmission wheel is fixedly sleeved with a rubber ring, a reciprocating lead screw drives a guide inner ring to move, a cable is guided to move according to a preset path and is neatly wound around the outer wall of a winch, a first lead screw is rotated, eight clamping blocks are driven to contract or expand, the cables of different sizes are limited and restrained, and the cables are prevented from deviating or shaking; and the rubber sleeve can also be accurately positioned to a corresponding position on the peripheral wall of the conical table, so that the rotation speed of the reciprocating screw rod is adjusted according to the size of the cable, and the phenomenon that the cable wound on the winch is extruded or entangled is avoided.

The utility model discloses a power mechanism of gliding flying wing slip rope, including mounting block and automatic limit mechanism, mounting block: its lower end is equipped with the fixed block, fixed block internal middle sliding connection is equipped with the moving block, automatic limit mechanism: it includes avoiding groove, limit post, spring, limit bulge, limit groove and limit subassembly, and the limit component is equipped with the limit post, spring, limit bulge, limit groove and limit subassembly. The receding groove is formed in the middle of the front side of the interior of the moving block, the limiting column is slidably connected to the middle of the front side of the interior of the moving block, a spring is arranged between the upper end of the limiting column and the inner wall of the moving block, and the limiting protrusions are arranged on the left side and the right side of the middle of the outer surface of the limiting column. The traction steel cable can be automatically clamped and released through displacement and self-locking between the fixed block and the movable block in cooperation with limiting of the limiting block, and automatic traction and release of the suspension type cabin are achieved in cooperation with circulating operation of the traction steel cable.

The application provides a sectional combined winch drum for drilling subglacial lakes in Antarctica, and belongs to the field of drilling machines, and comprises a drum body, a transmission mechanism and a cable arranging block. The drum body comprises at least two coaxially connected drum units. Each drum unit comprises a drum outer tube, a drum and a guide rail. The drum is arranged in the drum outer tube. All the drums in the drum body rotate synchronously, so that the cable is wound on or released from the drum along with the rotation of the drum. The cable arranging block is used to drive the cable to be wound on or released from the drum in a reciprocating manner along the guide rail in the drum unit. The transmission mechanism drives the cable arranging block to move up and down along the guide rail in the drum. The application modularizes each part of the drum through modular design, prevents the winch drum from being bent due to excessive length, has the function of releasing a long cable, can make a thermal melting probe drill into a deeper depth, and improves the working reliability.

The invention discloses a winching tail rope energy storage electric type electric automatic winding device, and relates to the technical field of automatic winding devices. The automatic winding device for the winching tail rope comprises a rotating rod, a bearing and a wire coil which are arranged on an electric tailstock, and the rotating rod is fixedly inserted into an inner ring of the bearing so that the wire coil can rotate along with the rotating rod; the automatic winding device for the winching tail rope further comprises a detection mechanism. When the electric winch releases the steel wire rope, the electric tailstock rotates passively, at the moment, the motor reducer module in the system serves as a generator, kinetic energy of the electric tailstock is converted into electric energy, and the converted electric energy can be stored in a matched energy storage element. When the winching mill pulls the steel wire rope, the stored electric energy drives the electric tailstock to rotate and wind the steel wire rope, so that the energy utilization efficiency is improved. According to the winching tail rope energy storage electric type electric automatic winding device, electric energy consumption or storage is achieved according to two different working conditions that a winching drags or releases a steel wire rope, the winding efficiency and effect are guaranteed, and the energy recovery effect can be improved.

The invention discloses a forced measurement system for an underwater hydraulic lifting stage and a digital control method. The forced measurement system comprises one or more forced measurement units; the forced measurement unit operates in a torque control mode, actively applies a constant preset pulling force to the measurement rope, and detects and measures the rotation angle or the number of turns of the winding drum in real time so as to calculate the lifting displacement of the stage; the hydraulic driving unit is used for driving the stage to lift; and the central control unit is in signal connection with the forced measurement unit and the hydraulic driving unit, and is used for receiving the lifting displacement data and outputting a control signal to the hydraulic driving unit according to a preset target position and a movement track so as to realize closed-loop control on the stage position. Through an external forced measurement unit and a torque control mode, non-contact high-precision direct measurement is realized, the water immersion of a measurement element is fundamentally avoided, the waterproof problem is solved, and the intrinsic safety and long service life of the system are ensured.

The invention belongs to the technical field of gravel ridge detection, and relates to a gravel ridge elevation detection system and method. The system comprises a detection rod, a driver, a pull rope sensor and a measurement and control module, the detection rod is arranged on the side, perpendicular to the length direction of the gravel ridges, of the gravel throwing pipe and is parallel to the gravel throwing pipe. The distance between the center of the detection rod and the center of the gravel throwing pipe is equal to the distance between the center lines of every two adjacent gravel ridges. When the riprap pipe lays and levels the current gravel ridge, the detection rod is located above the previous gravel ridge and is driven by the riprap pipe to move in the length direction of the previous gravel ridge, the driver drives the detection rod to move up and down repeatedly, and the detection rod moves downwards to the bottom end of the detection rod to make contact with the top face of the previous gravel ridge every time. The pull rope sensor transmits displacement data of the detection rod when the detection rod moves downwards each time to the measurement and control module for processing, and elevation values of a plurality of detection points of a previous gravel ridge are obtained. According to the invention, the elevation of the previous gravel ridge can be detected while the current gravel ridge is constructed by the riprap pipe, and the elevation detection precision of the gravel ridge is obviously improved.

An unmanned aerial vehicle includes: a mooring member capable of mooring an article; a linear member connected to the mooring member; a reel around which the linear member is wound. The unmanned aerial vehicle acquires information relating to wind strength around the article when the article is to be lowered from the unmanned aerial vehicle by controlling the reel; and controls the reel so as to provide a feeding amount of the linear member in dependence on the wind strength, on the basis of the acquired information.

The utility model discloses a traction rope guide mechanism applied to a winch and the winch, and the traction rope guide mechanism applied to the winch comprises a reel cylinder assembly, a rope guide assembly and a rack assembly, a winding shaft cylinder in the winding shaft cylinder assembly is provided with a spirally-distributed pulling rope limiting groove capable of allowing a rope to be wound, the rope guiding assembly comprises a guiding block, the outer portion of the guiding block is provided with a protruding sliding block, and the guiding block is arranged in a sliding space between the machine frame assembly and the winding shaft cylinder assembly. Therefore, the guide block can move linearly in the sliding space along with the sliding block under the driving of the rotating motion of the reel cylinder, the traction rope arranged in the traction rope guide groove of the guide block in a penetrating mode can be kept in a vertical state, and the phenomenon that the traction rope can be obliquely pulled is avoided. The traction rope guide mechanism applied to the winch and the winch have the advantages of being easy to operate, high in safety and long in service life.

The utility model provides a double-beam bridge crane with double lifting points, which comprises a bridge frame and a crane carriage arranged on the bridge frame, two groups of lifting winding drums are arranged on the crane carriage, the lifting winding drums are connected with a lifting appliance through steel wire ropes, and two ends of two trolley end beams are respectively provided with a trolley travelling mechanism; winding drum supports are arranged on the upper sides of the two trolley end beams respectively, lifting winding drums are installed on the two winding drum supports respectively, the middles of the two trolley main beams are connected through a supporting beam, a motor and a speed reducer are arranged on the upper side of the supporting beam, and the speed reducer is located between the lifting winding drums and connected with the two lifting winding drums to form a linear shape. The output end of the motor is connected with the input end of the speed reducer, and the output end of the speed reducer is connected with the two lifting winding drums. According to the double-lifting-point double-beam bridge type crane, the two sets of lifting winding drums are synchronously driven through the motor and the speed reducer, synchronous operation of the lifting winding drums is fully guaranteed, and the stability of the lifting winding drums is fully guaranteed by arranging the supports at the two ends of the lifting winding drums correspondingly.

This utility model discloses a wire rope winding device for an electric hoist, relating to the field of electric hoist technology. It includes a guide frame, with mounting plates fixedly connected to both the front and back of the guide frame. A positioning frame is provided inside the guide frame, and rollers are fixedly mounted on the outer surface of the positioning frame, with the rollers adapted to the guide frame. The device uses a drive motor to rotate a rotating rod, which rotates smoothly within a limiting plate using bearings, while a guide block slides within an arc-shaped groove, ensuring the wire rope is always in the correct position and preventing deviation. This effectively avoids wire rope misalignment and strand interlocking during winding. The rollers on the positioning frame roll within the guide frame, working with connecting blocks and reinforcing rings to enhance the device's stability. This effectively solves the problems of wire rope misalignment and strand interlocking during winding, and the risk of instantaneous breakage under gravity.

The utility model relates to a handle easy to operate, which belongs to the technical field of hoisting equipment and is characterized in that two cylindrical handles are mounted on a connecting rod, two rocking sensors are mounted at corresponding positions, rocking arms of the two rocking sensors are respectively inserted into rocking arm holes of the two cylindrical handles, and the two cylindrical handles can slide up and down and rotate circumferentially around the connecting rod. And the rocking sensor is arranged on the cylindrical handle and can return to the initial position after sliding up and down and rotating in the circumferential direction, the rocking sensor sends the detected action signal to the controller after detecting the action signal of the cylindrical handle, and the controller generates a control command according to the received action signal and sends the control command in a wired or wireless mode. And controlling the corresponding execution mechanism to execute the corresponding control command. A worker can operate the handle provided by the utility model with one hand, so that not only can the lifting action of the electric hoist be completed, but also the actions such as movement of the cart and the trolley can be controlled, the operation is simple and convenient, and time and labor are saved.

The utility model discloses a belt pressing structure of a driving roller of a tower type pumping unit, which is convenient to adjust and comprises the driving roller connected with a belt. When the device is in operation, the pressure sensing plates with the pressure sensors, which are arranged on the upper adjustable pressing plate and the lower adjustable pressing plate, can monitor the pressure between the upper adjustable pressing plate and the lower adjustable pressing plate and the belt in real time, and send monitored data to the PLC; when the condition that the pressure value is reduced due to pressure deformation caused by damage of the compression spring and the poor compression effect is monitored, the PLC can start the hydraulic telescopic cylinder to drive the anti-skid pressing piece at the output end of the hydraulic telescopic cylinder to actively apply pressure to the upper adjustable pressing plate and the lower adjustable pressing plate, active compression protection of the belt is achieved, and the safety of the belt is guaranteed. And an alarm is given out through the PLC to remind a worker to replace and maintain the compression spring in time, so that the device has the advantages that the compression effect is monitored, and the compression effect is convenient to adjust, and the safety is higher.

The invention relates to a system (1) for hoisting a load (C), in particular for hoisting a load (C) in the presence of a relative movement due to surges. The hoisting system (1) comprises at least one hoisting point (1a) having a frame (2) comprising:-controllable braking means (6) cooperating with the group of movable pulleys (52), and-manipulating means (8) cooperating with the group of movable pulleys (52) and configured to be able to restore the potential energy of the movable pulleys (52) in order to tend to increase said distance value (D).

The invention relates to the technical field of clothes airing machines, in particular to a clothes airing machine lifting motor buffering transmission structure which comprises a shell, a buffering assembly is arranged in the shell, a transmission assembly is arranged at the bottom of the shell, a control assembly is arranged on the surface of the buffering assembly, the buffering assembly comprises an L-shaped plate, and the L-shaped plate is fixedly connected to the inner wall of the bottom of the shell. A motor is fixedly connected to the outer wall of the L-shaped plate, the output end of the motor is fixedly connected with an output bevel gear, a through hole is formed in the side wall of the other side of the L-shaped plate, through the synergistic effect of the buffering assembly and the control assembly, the double buffering and impact counteracting functions are achieved, the frosted face between the rubber ring and the fixing plate is matched with the 1 cm distance design, and the service life of the rubber ring is prolonged. The rotating shaft can be driven to move through the reverse pushing air cylinder and the extrusion air cylinder, then the transmission bevel gear is driven to be separated from the output bevel gear, the motor separated from the rotating shaft is not affected by impact when the rotating shaft is impacted, the deformation risk of the motor and the rotating shaft can be greatly reduced, and the service life of the clothes airing machine is remarkably prolonged.

To provide a hook block of a work machine capable of improving assembling performance when mounting a bracket on adjacent plate members.SOLUTION: A hook block has a bracket 13 arranged on the lateral side of a sheave 12 in a radial direction of the sheave 12. The bracket 13 has: one or more plates 21 arranged at a position not facing an outer peripheral surface of the sheave 12 in a predetermined direction B; an abutment surface formed in an intermediate part of the plate 21 to abut on a weight of an over-winding preventive device from below; a placing plate 23 fixed with one end of the plate 21 and extending in the predetermined direction B such that both ends are respectively placed on plate members 11; and a pin 24 inserted in a hole 11a formed on one of adjacent plate members 11, a hole formed in the plate 21, and a hole 11a formed in the other of the adjacent plate members 11 in this order. A hoisting rope passes through a space between the plate 21 and the plate member 11 or a space between the adjacent plates 21.SELECTED DRAWING: Figure 4

Disclosed in the present application is an electric all-terrain vehicle, which comprises a frame, a vehicle body coverage member, a powertrain and an electrical system, wherein the frame comprises a front frame and a rear frame; the vehicle body coverage member comprises a front compartment cover, which covers the front frame; the powertrain comprises an electric motor; and the rated voltage of each low-voltage device in a low-voltage electrical system is less than 36 V, and the rated voltage of each high-voltage device in a high-voltage electrical system is greater than 36 V. The front frame and the rear frames are respectively provided with a low-voltage installation area and a high-voltage installation area. The low-voltage devices in the low-voltage installation area include a low-voltage battery, and further include at least one of a vehicle body controller, a fuse box, an audio power amplifier, an extended power interface, a vehicle diagnosis interface, a gateway, a winch relay, a positioning antenna and a T-BOX. No high-voltage device is disposed in the low-voltage installation area, and the low-voltage installation area can be exposed by means of opening the front compartment cover. The high-voltage devices in the high-voltage installation area include a traction battery, and further include at least one of a direct-current converter, a vehicle-mounted charger and a power distribution unit; and the electric motor is installed in the high-voltage installation area.