32 results about "Traction drive" patented technology

The application relates to a rotary traction device for a low-voltage small-cable stranding single-stranding machine, and belongs to the technical field of cable production equipment. The rotary traction device comprises a rack, a main rotary body rotatably arranged on the rack, a main rotary driving motor arranged at one end of the rack, and a main rotary transmission assembly for driving the main rotary body to rotate by the main rotary driving motor. A cable core traction mechanism and a cable core pressing mechanism are arranged on the main rotary body. A traction motor is arranged on the main rotary transmission assembly. A traction transmission assembly is arranged between the traction motor and the cable core traction mechanism. The traction motor drives the cable core traction mechanism to operate through the traction transmission assembly. The main rotary driving motor and the traction driving motor are fixed on the non-rotating rack, so that the problems of severe vibration, bearing overload, lubrication difficulty and dynamic balance caused by high-speed rotation of the motor with the main rotary body are completely eliminated. The main rotary body operation stability is greatly improved, the service life of bearings and other key components is prolonged, and the failure rate is fundamentally reduced.

The invention relates to a method for controlling an electric traction drive machine of an electric motor vehicle drive, wherein a torque and a rotation speed of the traction drive machine is variably adjusted using a drive converter, in a drive mode of the motor vehicle the traction drive machine is operated as a motor and generates a drive torque by way of which drive wheels of the motor vehicle are driven, in a braking mode of the motor vehicle the traction drive machine is operated as a generator via the drive wheels of the motor vehicle and generates a braking torque by way of which the drive wheels of the motor vehicle are braked; for controlling the rotation speed of the traction drive machine, the current rotation speed of the traction drive machine is detected or calculated and is fed to the drive converter as an actual rotation speed, wherein the actual rotation speed is generated by smoothing the current rotation speed, and in the braking mode the braking torque is adjusted as a function of the actual rotation speed and / or the current vehicle speed. The method according to the invention is characterized in that in the braking mode the braking torque is additionally adjusted as a function of an at least indirectly detected current vehicle deceleration.

The utility model discloses a sugarcane impurity removing equipment relates to agricultural machinery equipment technical field, including traction drive arrangement and impurity removing car, and traction drive arrangement is connected with impurity removing car, the chassis of impurity removing car is equipped with big hook arm, push -plate, big cylinder of sorting, tail cutting tool rest, rotary conveying frame and leaf stripping box, and the bottom of big hook arm is rotatably installed on the chassis, and the other end of big hook arm is equipped with big hook claw, the one side of push -plate is rotatably provided with big cylinder of sorting on the chassis, and the other side of big cylinder of sorting is provided with sorting baffle, and the below of sorting baffle is equipped with rotary conveying frame, and the top of rotary conveying frame is provided with tail cutting tool rest, and the other end of rotary conveying frame rotatably assembles on the chassis, and the outside end of chassis is provided with leaf stripping box, and the sugarcane is sent to leaf stripping box after the rotation of rotary conveying frame. The sugarcane impurity removing equipment is whole pole after the leaf stripping processing of sugarcane, and there is no loss of sugarcane juice, and there is no fragment loss, and the loss rate problem of mechanized sugarcane harvesting is reduced fully.

Method for controlling the flow of electricity in a vehicle (50), wherein the vehicle (50) has two electric drives (51, 52) and an energy storage device (53), wherein one electric drive (51) is a traction drive and the other electric drive (52) is an auxiliary drive for a power take-off shaft or a hydraulic system, wherein the two electric drives (51, 52) and an on-board electrical system (54) are powered by the energy storage device (53) or power the energy storage device (53), where an energy storage direct current (I_Bat) is divided between the on-board network (54) and the two electric drives (51,52), where this - starting from a target torque (x.T_Des) or a target speed (x.n_Des) or target phase currents, target DC currents (x.I_DC_Des) for the two electric drives (51,52) are determined, and - a direct current flow between the energy storage device (53), the vehicle electrical system (54) and the two electric drives (51, 52) is distributed such that a maximum amount of energy storage direct current (I_Bat_Lim) is not exceeded and that a target vehicle electrical system direct current (I_Con_Des) is provided with the highest priority, wherein a direct current resulting after provision of the target vehicle electrical system direct current (I_Con_Des) is distributed to the two electric drives (51, 52) according to a predefined prioritization ratio (AuxPrio) and the target direct currents (x.I_DC_Des) are limited if necessary, wherein the prioritization ratio (AuxPrio) is or can be specified by a user of the vehicle (50) by means of a control element (3) provided for this purpose, or where the prioritization ratio (AuxPrio) is predetermined depending on an operational situation.

This utility model relates to the field of intelligent lifting window technology and discloses a lifting window with an electric spinning screen structure. A drive transmission structure consisting of pulleys and a toothed belt drives the opening and closing of the lifting window body and the protective screen. The toothed belt structure, supported and tensioned by paired pulleys, provides stable drive support for the lifting window body and the protective screen. A screen roll located at the lower part of the mounting frame winds and stores the protective screen. Combined with the traction drive of the pulleys and toothed belt structure, the protective screen can be moved and unfolded from below. The working state can be adjusted to half-window or full-window shading as needed, offering flexibility to meet the usage requirements of different scenarios. The protective screen is integrated into the mounting groove cavity at the lower part of the mounting frame through the screen roll. After installation, the structure is not exposed, and when stored, the upper part of the protective screen perfectly fits and hides with the window body, exhibiting excellent integrated aesthetics and greatly enhancing the decorative beauty of the device.

The invention relates to a traction drive (TA) for a motor vehicle that is at least partially electrically powered, comprising a first bearing plate (L1) with a first bearing seat (LS1) and a first bearing assembly (LE1) arranged in the first bearing seat (LS1), a rotor hollow shaft (RHW) rotatably mounted over the first bearing assembly (LE1), a second bearing plate (L2) with a second bearing seat (LS2) and a second bearing assembly (LE2) arranged in the second bearing seat (LS2), a transmission hollow shaft (GHW) rotatably mounted over the second bearing assembly (LE2) and operatively connected to the rotor hollow shaft (RHW), and a spiral spring (SF) guided through the rotor hollow shaft (RHW) and the transmission hollow shaft (GHW), wherein the spiral spring (SF) exerts a spring force on the rotor hollow shaft (RHW) and the transmission hollow shaft (GHW).and the first bearing assembly (LE1) is clamped in the first bearing seat (LS1) and / or the second bearing assembly (LE2) in the second bearing seat (LS2) by the spring force, and wherein a cooling medium (KM) introduced into the gearbox hollow shaft (GHW) can be conveyed into the rotor hollow shaft (RHW) via the spiral fields (SF).

The application relates to the technical field of transportation conveying devices, in particular to a bridge component construction device which comprises a guide rail mechanism, a transportation mechanism moving along the track of the guide rail mechanism is arranged on the guide rail mechanism, a wiring mechanism is arranged at the connection position of the guide rail mechanism and the transportation mechanism, a cable is arranged in the wiring mechanism, the cable is used for connecting the transportation mechanism and an external host computer, power supply and data transmission are realized. When in use, the I-shaped guide rail is arranged, fixing holes are arranged on the I-shaped guide rail, the I-shaped guide rail is suspended and installed through cooperation of the fixing holes and fasteners; the electrical control box is suspended at the bottom of the I-shaped guide rail through cooperation of the support cantilever at the top of the electrical control box and the guide roller, the transportation mechanism is driven to move along the track of the I-shaped guide rail through cooperation of the driving motor and the traction driving wheel, different clamps are installed on the gripper mounting frame at the bottom of the electrical control box to transport different bridge components, and the bridge components are suspended above the ground, so that the effect of adapting to different ground environments is achieved.

The invention relates to a method for controlling a battery-electric drive system for a motor vehicle, wherein the battery-electric drive system comprises a high-voltage battery (1), at least one electric traction drive motor (2) and a plurality of electrical auxiliary loads (3), and the at least one electric traction drive motor (2) and the electrical auxiliary loads (3) are supplied with electric power from the high-voltage battery (1), comprising the following steps: • - detecting a present state of charge and / or a present battery current limit value of the high-voltage battery (1), • - reducing the drive power of the at least one electric traction drive motor (2) and / or switching off electrical auxiliary loads (3) on the basis of the detected present state of charge and / or the detected present battery current limit value. In line with the method according to the invention, a specific priority is assigned to each electrical auxiliary load (3) and the electrical auxiliary loads (3) are switched off or power consumption by the electrical auxiliary loads (3) is reduced on the basis of the detected present state of charge and / or the detected present battery current limit value individually depending on the specific priority of the respective electrical auxiliary load (3), so that electrical auxiliary loads (3) with a comparatively higher specific priority are switched off, or the power consumption by these electrical auxiliary loads is reduced, with a lower priority than electrical auxiliary loads (3) with a comparatively lower specific priority.

This disclosure provides a control method and control device for preventing derailment of a traction crawler. The control method includes: acquiring the horizontal distance between the pusher wheel of the traction crawler and the drive wheel of the traction vehicle; determining whether the pusher wheel of the traction crawler and the drive wheel of the traction vehicle are in contact, and when contact is determined, using the horizontal distance between the pusher wheel of the traction crawler and the drive wheel of the traction vehicle as a standard horizontal distance; and determining that a crawling incident has occurred when the horizontal distance between the pusher wheel of the traction crawler and the drive wheel of the traction vehicle is less than the standard horizontal distance, and issuing a stop command to the traction crawler in the event of a crawling incident. A detailed and complete judgment scheme is established during the traction crawler's driving of the traction vehicle to determine whether a crawling incident has occurred, and corresponding measures are taken to ensure the safety of traction drive when a crawling incident occurs. This method features comprehensive and accurate control, safety and reliability, automation, and ease of operation.

The invention relates to a method for controlling a battery-electric drive system for a motor vehicle, wherein the battery-electric drive system comprises an HV battery, at least one electric traction drive motor and a plurality of electrical auxiliary consumers, and the at least one electric traction drive motor and the electrical auxiliary consumers are supplied with electrical power from the HV battery, comprising the following steps: - Recording the current state of charge and / or the current battery current limit of the HV battery; - Reducing the drive power of at least one electric traction drive motor and / or switching off electrical auxiliary consumers depending on the detected current state of charge and / or the detected current battery current limit. The method according to the invention is characterized in that each electrical auxiliary consumer is assigned a specific priority and the switching off of the electrical auxiliary consumers or a reduction in the power consumption of the electrical auxiliary consumers is carried out individually depending on the specific priority of the respective electrical auxiliary consumer, depending on the detected current state of charge and / or the detected current battery current limit value, so that electrical auxiliary consumers with a comparatively higher specific priority are switched off or have their power consumption reduced in a subordinate manner to electrical auxiliary consumers with a comparatively lower specific priority.

A power machine or excavator (100, 200) includes an undercarriage or lower frame structure (212), a house or upper frame structure (211), and a swivel assembly (218) rotatably coupling the upper frame structure to the lower frame structure. An electric power source (220-1) is mounted on the lower frame structure. Tractive drive assemblies (240A, 240B) attached to the lower frame structure each include an electric drive motor (241A, 241B) configured to receive power from the electric power source.

The present application belongs to the technical field of sensor fault diagnosis of railway traffic system, and particularly relates to a traction transmission system grid-side current transformer sampling loop fault diagnosis method, which combines physical feature extraction based on power balance principle and regularization extreme learning machine algorithm to establish a multi-working-condition grid-side current estimation model, uses a sliding window double statistical test method to perform abnormal detection on the residual error of actual values and estimated values of two-way grid-side current signals, establishes a Bayesian diagnosis model integrating hidden Markov model idea, defines a four-state space containing normal and various fault states, simultaneously introduces a state transition inertia mechanism to suppress random noise, adopts a logic lockout mechanism to exclude transient power failure interference caused by train passing through a neutral section, and in a non-lockout state, iteratively calculates the posterior probability of each state through Bayesian inference algorithm, and realizes diagnosis and positioning of the grid-side current transformer sampling loop fault according to the maximum posterior probability principle.

The invention relates to a high-voltage traction drive (100) comprising a high-voltage traction battery (110) with a positive and a negative high-voltage terminal (HV+, HV-), a high-voltage traction motor (120), high-voltage power electronics (30) which electrically supplies the high-voltage traction motor (120), wherein the high-voltage power electronics (30) is connected to the two high-voltage terminals (HV+, HV-) of the high-voltage traction battery (110) via a positive and a negative electrical high-voltage line (112, 114), a vehicle ground line (12) which is electrically at the potential of the vehicle ground (GND), an intermediate circuit capacitor arrangement (20) which is electrically arranged between the high-voltage power electronics (30) and the high-voltage traction battery (110), and a pyrotechnic disconnect switch (10) which, upon activation, disconnects the positive electrical High-voltage line (114) disconnects,simultaneously connects its electronic section (114'), which is electrically isolated from the high-voltage traction battery (110), to the negative high-voltage line (112) via an electrical short-circuit connection (16), and simultaneously connects the electronic section (114') of the high-voltage line (114), which is disconnected from the high-voltage traction battery (110), to the vehicle ground line (12) via a ground connection (17).

A method, apparatus, device, and medium for balancing the power battery charge of a multi-axle new energy vehicle are disclosed, relating to the field of new energy vehicle control. The method includes determining a target static output coefficient for the traction drive unit mounted on each power battery pack based on the rated power and expected operating time of the non-traction power-consuming equipment mounted on each power battery pack; determining the charge deviation value of each power battery pack based on the real-time remaining charge of all power battery packs; determining a dynamic output correction coefficient based on the charge deviation value when the charge deviation value of a power battery pack exceeds a deviation threshold; and controlling the output of the traction drive unit mounted on the corresponding power battery pack using the dynamic output correction coefficient and the target static output coefficient to achieve charge balancing. This application combines static and dynamic methods to adapt to the actual working conditions of non-traction power-consuming equipment, thereby achieving balanced control of the power battery charge in multi-axle new energy vehicles and effectively improving battery utilization.

This invention discloses a splicing and fixing structure for an integrated hollow, non-removable formwork for floor slab thermal insulation and soundproofing, relating to the field of non-removable formwork technology. It includes: a shell, which is a hollow cuboid structure; and a pulling assembly, of which several are installed inside the shell. Each pulling assembly includes a pulling rod extending to the outside of the shell and a traction drive mechanism. The pulling rod is used to connect with the hollow, non-removable formwork. By coordinating the pulling assembly, the mixing box, and the injection assembly, this invention allows for simultaneous triggering of the cutting assembly to pierce the sealing membrane at the end of the glue storage tube as the driving screw rotates and brings the two hollow, non-removable formwork panels closer together. This also causes the formwork end face to be squeezed against the push rod, and the glue is evenly filled into the joint through the glue outlet. This structure achieves integrated operation of formwork tightening and fixing with joint glue injection and sealing, avoiding waste caused by premature glue curing and significantly improving splicing construction efficiency and sealing reliability.

The utility model discloses a 4:1 suspension's inorganic room elevator belongs to elevator technical field. It includes shaft, guide rail subassembly, car, counterweight and traction drive mechanism, and guide rail subassembly contains symmetrical arrangement car guide rail group and counterweight guide rail group, and traction drive mechanism is fixed through guide rail bearing structure, and does not need additional civil construction bearing beam. Traction system includes traction host, car bottom counter -rope pulley, car guide wheel etc, and traction steel wire rope is in turn and goes round each wheel group and forms 4:1 suspension path. Among them, traction host is fixed in guide rail through host fixed subassembly, and host axis deflection reduces rope deflection angle, and counter -rope pulley group is symmetrically arranged in car bottom and counterweight top. The utility model compact layout can reduce civil construction cost about 20%, promotes the utilization rate of shaft to above 80%, reduces counter -rope pulley number to prolong the service life of steel wire rope, and the part installation is concentrated and is convenient for maintenance, is applicable to large tonnage elevator scene.

The invention relates to a laminated core (BP) for a rotor of an electric machine, comprising a plurality of laminated sheets (BL) arranged one behind the other and bonded together, wherein the laminated core (BP) has a first end face (S1), a second end face (S2) spaced axially from the first end face (S1), and a closed-edge magnetic pocket (MT) extending between the first end face (S1) and the second end face (S2), the magnetic pocket (MT) comprising an inner surface (IM), wherein a layer (ST) made of an electrically insulating material is formed on the inner surface (IM), extending at least partially between the first end face (S1) and the second end face (S2) and bonded together with the inner surface (IM).and a magnet (MA) is arranged in the magnetic pocket (MT) and is fixed in the magnetic pocket (MT) via the layer (ST) in a form-fitting and / or force-fitting manner.

The invention relates to a rotor (RO) for an electric machine of an at least partially electrically powered motor vehicle, comprising a laminated core (BP) having a plurality of individual laminations arranged one behind the other, wherein the laminated core (BP) has a first end face (ES) and a second end face (ZS) spaced apart in the axial direction of the laminated core (BP), wherein a magnetic pole (MP) is formed in the laminated core (BP), wherein the magnetic pole (MP) comprises a first magnetic pocket (MT1) having a first magnetic receiving opening (MAO1) in the first end face (ES), and wherein a first magnet (MA1) is arranged in the first magnetic pocket (MT1), wherein the first magnet (MA1) is positively locked in the first magnetic pocket (MT1) by a riveting point (VP) in the laminated core (BP), and the riveting point (VP) is formed on the first end face (ES).and the second end face (ZS) in the area of ​​the first magnetic pocket (MT1) is designed without riveting points.

The invention provides an electric power engineering building material transporting, lifting and unloading platform which comprises a platform base frame and two adjustable supports, and the platform base frame comprises two supporting steel frames, a plurality of transverse supporting rods and a limiting bearing frame; wherein the plurality of transverse supporting rods are fixedly connected between the two supporting steel frames; hoisting building materials are stored through the discharging assembly, then the traction driving mechanism drives the discharging base to integrally move through the fluted disc so that the building materials can be transferred into a lock chamber building, and then the manual hydraulic pump is used for providing power for the hydraulic cylinder; the hydraulic cylinder is arranged on the discharging base, so that the piston rod of the hydraulic cylinder is used for pushing the rolling wheels to make contact with the ground, the whole discharging base is lifted, the fluted disc is separated from the traction driving mechanism, the discharging assembly is used for transferring building materials to the needed position for discharging according to actual requirements, the labor intensity of workers is reduced, and the working efficiency is improved.

The application belongs to the technical field of bridge construction, and particularly relates to a limited environment swivel bridge pier beam temporary steel cross beam dismantling device and dismantling method. The device comprises a bearing support assembly, which comprises a door-shaped frame fixed above a reserved tension hole of a bridge beam body, a traction driving element, which is a hand-operated hoist suspended on the door-shaped frame, an anchoring and pulling assembly, which comprises a 5-hole flat anchor suspended at the lower end of the hand-operated hoist, two groups of 12-hole round anchors, which are respectively upper and lower anchoring elements, the upper anchoring element being arranged on the top surface of the bridge beam body and directly below the 5-hole flat anchor, and the lower anchoring element being arranged below the H-shaped steel cross beam to be dismantled, steel strands, which are arranged in the 5-hole flat anchor and the two groups of 12-hole round anchors, an extrusion sleeve, and the extrusion sleeve being anchored at the lower end of the steel strands to form anchoring and limiting with the H-shaped steel cross beam to be dismantled.

The invention relates to a method for controlling a drive train for a battery-electric motor vehicle, in particular for a bus, the drive train comprising an HV on-board electrical system having an HV battery and an electrical DC link, and the HV battery being connected to the electrical DC link via a main contactor; a main drive converter being arranged in the electrical DC link, via which main drive converter a traction drive machine of the drive train is fed with electrical power from the HV on-board electrical system in order to drive drive wheels of the motor vehicle; the HV battery being electrically coupled to the electrical DC link at the beginning of an operating cycle of the drive train by closing the main contactor and being electrically decoupled from the electrical DC link at least at the end of the operating cycle by opening the main contactor. The method according to the invention is characterized in that, when the main contactor is open, the electrical DC link is discharged via the main drive converter and / or via at least one additional electrical control unit which is arranged in the electrical DC link and comprises at least one electrical switch and at least one capacitor.

The application relates to the technical field of automatic gluing equipment, in particular to a robot feeding and gluing path collaborative gluing equipment and a control method. The equipment comprises a conveying line and a gluing device. The conveying line is used for conveying materials; the gluing device is used for gluing paper on the materials on the conveying line; the gluing device comprises a rack, a mounting frame, a lifting driving part and a gluing assembly; the gluing assembly comprises a unwinding roller, a pressing roller, a winding roller and a traction driving part; the unwinding roller is used for unwinding adhesive tape; the adhesive tape comprises release paper and adhesive paper; the adhesive tape is wound below the pressing roller after being led out from the unwinding roller; the release paper is wound on the winding roller after passing through the pressing roller; the traction driving part is used for traction moving of the adhesive tape; the pressing roller is located above the supporting track; in the gluing process, the pressing roller abuts against the upper surface of the material, and the moving direction of the adhesive tape below the pressing roller is the same as that of the pushing part; thereby the problem that the adhesive layer cannot be accurately glued on the specified area of the material is solved.

The utility model discloses a kind of air compressor metal pipe bending device, it is related to metal pipe processing technical field, including operation platform, the upside of operation platform is rotatably connected with two groups of symmetric arrangement mounting seat, guiding mechanism is installed between mounting seat and operation platform, the upside of mounting seat is equipped with first installation groove, the upside of first installation groove is detachably connected with clamping plate by bolt, the side of first installation groove is equipped with second installation groove, heating mechanism is installed in the inside of second installation groove, the upside of operation platform is rotatably connected with rotating rod, the upside of rotating rod is installed with bending mechanism. The device uses local electric heating softening and mechanical traction bending synergistic effect, through electric heating stick accurate preheating metal pipe bending point reduces yield strength, cooperates with steel cable traction drive double mounting seat along T-shaped arc track synchronous rotation, realize hot state accurate bending, both eliminate cold bending wrinkle and dispense with subsequent polishing, significantly improve pipe roundness and production efficiency.

This utility model provides a jointing device for concrete pouring in channels, including a frame adapted to the channel slope. A transverse moving frame is slidably mounted on the frame and perpendicularly intersecting it. A traction drive mechanism is also provided on the frame to control the sliding of the transverse moving frame. A transverse moving mechanism is located at the bottom of the transverse moving frame, and a transverse-to-longitudinal switching jointing device is driven onto the transverse moving mechanism. The transverse moving frame is slidably connected to the frame and controlled by the traction drive mechanism to move longitudinally along the slope. Thus, the movement of the transverse moving frame allows for precise adjustment of the longitudinal and transverse jointing positions on the slope. Furthermore, the transverse moving mechanism at the bottom of the transverse moving frame can drive the transverse-to-longitudinal switching jointing device to move laterally, enabling flexible horizontal jointing of concrete on the slope while simultaneously adjusting the longitudinal jointing position.

This invention discloses a high-power-density planetary traction drive. A loading wedge space and a balancing space are formed on both sides of the radial distance circumference between the planetary rollers and the outer ring. A loading roller is located within the wedge-shaped loading space and rolls in contact with the planetary rollers and the outer ring. A balancing idler wheel is provided in the balancing space. The planetary rollers, balancing idler wheel, and loading rollers are all floating, with the loading rollers abutting against the planetary carrier. The torque or counter-torque transmitted by this invention can directly act on the loading rollers, achieving adaptive loading and making the loading process faster and more flexible. Optimization of the load in the contact area also improves the service life of the traction drive. The superposition of contact forces generates a larger clamping force, thereby ensuring sufficient tangential force in each contact area to transmit power. Furthermore, the planetary traction drive provided by this invention can achieve high-load transmission under the load-sharing effect of multiple rollers. The zero-spin design based on cylindrical rollers also minimizes power loss, resulting in high power density and improved transmission accuracy and efficiency.

The utility model relates to building equipment technical field discloses a kind of operation platform, including suspension platform, building machine hanger and hoisting system, the building machine hanger is equipped with first walkway frame, the hoisting system includes traction rope connecting piece, traction rope and traction drive mechanism, the traction rope connecting piece is set in the top of first walkway frame, and is connected with the building machine hanger, the traction rope passes through the first walkway frame, and is connected with the traction rope connecting piece, the traction drive mechanism is used to retract traction rope to drive the suspension platform lifting.The utility model's operation platform can help to improve construction efficiency and safety, and installation is simple and reliable.

The invention relates to a method for controlling an electric traction drive machine of an electric motor vehicle drive, wherein a torque and a speed of the traction drive machine are variably set by means of a drive inverter, the traction drive machine is operated as a motor in a drive mode of the motor vehicle and generates a drive torque with which drive wheels of the motor vehicle are driven, the traction drive machine is operated as a generator in a braking mode of the motor vehicle via the drive wheels of the motor vehicle and generates a braking torque with which the drive wheels of the motor vehicle are braked;For controlling the speed of the traction drive motor, the current speed of the traction drive motor is detected or calculated and supplied to the drive inverter as the actual speed, wherein the actual speed is generated by smoothing the current speed, and in braking operation the braking torque is adjusted as a function of the actual speed and / or the current vehicle speed. The method according to the invention is characterized in that in braking operation the braking torque is additionally adjusted as a function of an at least indirectly detected current vehicle deceleration.

A ship lock towing device, a buffer device and a stable lock method, comprising a device main body arranged in the dam body, a reinforcing column is arranged at both ends of the device main body, a towing drive chamber is arranged in the reinforcing column on the upper side, a winding wheel is arranged in the towing drive chamber, a towing rope is drawn out of the winding wheel, a buffer sliding groove is arranged in the device main body, a buffer base block is arranged in the buffer sliding groove and slides, through holes are arranged in the buffer base block on the left and right sides, two sections of a conveying belt of a second belt conveying mechanism pass through two groups of through holes and are tightly held or released by limiting components in the through holes, and the second belt conveying mechanism is driven by a transmission group component. The ship lock towing device, the buffer device and the stable lock method provided by the application can tow a ship which is difficult to move into a ship lock, thereby improving the towing efficiency.

The invention relates to a method for controlling a drive train for a battery-electric motor vehicle, in particular for a bus, wherein the drive train comprises an HV electrical system with an HV battery and an electrical intermediate circuit, and the HV battery is connected to the electrical intermediate circuit via a main contactor; A main drive converter is arranged in the electrical intermediate circuit, via which a traction drive machine of the drive train is supplied with electrical power from the HV electrical system to drive the drive wheels of the motor vehicle; wherein The HV battery is electrically coupled to the electrical intermediate circuit at the beginning of an operating cycle of the drive train by closing the main contactor and is electrically decoupled from the electrical intermediate circuit at least at the end of the operating cycle by opening the main contactor. The method according to the invention is characterized in that the electrical intermediate circuit is discharged via the main drive converter and / or via at least one further electrical control unit arranged in the electrical intermediate circuit, which comprises at least one electrical switch and at least one capacitor, when the main contactor is open.

The disclosure relates to a work machine, in particular a duty-cycle crawler crane, having an undercarriage which comprises a middle part and at least one crawler carrier which is connected to the middle part and comprises at least one electric traction drive, wherein at least one supply line runs from the middle part to the traction drive and is connected to the latter in a disconnectable manner via a first connection. According to the disclosure, the work machine comprises an electrical interlock loop, which is connected to the traction drive via the first connection, and a mating plug connector module, which is arranged on the undercarriage and has a first mating connection for connecting to the first connection of the supply line and is configured to bridge the interlock loop, which is interrupted by a disconnection from the traction drive, in a current-conducting manner.