1909 results about "Torque transmission" patented technology

The present invention relates to a flywheel (1) for a drive train of a motor vehicle, comprising a main flywheel mass (4) forming an input side (2) which can be screwed to a crankshaft of an internal combustion engine through a plurality of screw holes (5) distributed in the circumferential direction (U) of the flywheel (1), a slip clutch (6) arranged downstream of the main flywheel mass (4) in a torque transmission path emanating from the input side (2), and a torsional vibration damper (7) arranged downstream of the slip clutch (6) in the torque transmission path and which has both an output flange (11) and a hub (8) forming an output side (3), which is connected in a rotationally fixed manner to the output flange (11), with through holes (10) distributed in the circumferential direction (U), wherein the torsional vibration damper (7) has a disassembly device (12) which can be removed by rotation and which is designedto remove the non-rotatable connection of the hub (8) to the output flange (11) so that the through holes (10) can be aligned with the screw holes (5).

The invention relates to the technical field of natural gas treatment, and particularly discloses a turbine and motor double-drive magnetic levitation natural gas expansion recompression unit, system and method, and the turbine and motor double-drive magnetic levitation natural gas expansion recompression unit comprises a natural gas expansion machine, a high-speed synchronous motor and a natural gas compressor which are coaxially and rigidly connected; the magnetic suspension supporting system comprises an expansion side magnetic suspension bearing arranged at the output end of the natural gas expansion machine and a compression side magnetic suspension bearing arranged at the input end of the compressor, and is used for realizing non-contact suspension and torque transmission of the rotor; the electric control unit comprises an electric appliance cabinet and a pressure sensor, a converter and a main controller are arranged in the electric appliance cabinet, the converter is connected with a power grid and the high-speed synchronous motor, and the main controller dynamically adjusts the operation mode and power of the high-speed synchronous motor by taking the outlet pressure of the natural gas compressor as a control variable. The natural gas compressor is driven by the natural gas expansion machine and the highly synchronous motor, the unit with the reverse power generation function is adopted, the operation flexibility of the unit is improved, and the comprehensive utilization rate of energy is remarkably increased.

The invention provides a multi-magnetic-circuit single-magnetic-ring dual-modulation three-rotor coaxial magnetic gear and an automobile hub motor, the magnetic gear comprises an inner rotor, a T-shaped dual-modulation magnetic ring, an intermediate rotor and an outer rotor, the inner rotor, the T-shaped dual-modulation magnetic ring and the intermediate rotor are nested in sequence and are coaxially configured to form a radial and modulation coaxial magnetic gear structure; the middle rotor, the T-shaped dual-modulation magnetic modulation ring and the outer rotor are sequentially nested and coaxially arranged to form an axial and modulation coaxial magnetic gear structure; and sum modulation is adopted between the inner rotor and the intermediate rotor, sum modulation is adopted between the intermediate rotor and the outer rotor, and the two sum modulation and sum modulation share one T-shaped dual-modulation magnetic modulation ring, so that the monotonic magnetic ring dual-modulation effect is realized. The size of the magnetic gear can be reduced, the torque transmission capacity of the magnetic gear is improved, the magnetic saturation phenomenon is restrained, the magnetic field modulation effect is enhanced, and the torque density of the magnetic gear is improved.

The invention discloses a piston assembly of a motor brake and an assembling process of the piston assembly, and relates to the technical field of motor brakes. Comprising a caliper shell, a caliper body assembly is installed on one side of the caliper shell, a power transmission unit assembly is detachably installed on the caliper body assembly, a positioning pin is arranged on the caliper body assembly, and a positioning hole matched with the positioning pin is formed in the power transmission unit assembly; the caliper body assembly of the caliper comprises a main support, a second support and a third support, wherein the main support is detachably installed on a caliper shell; the sleeve is detachably mounted on the inner side of the main bracket; the nut is connected into the sleeve in a sliding manner; and the ball screw assembly is connected into the nut through a thread. According to the invention, through arrangement of structures such as the caliper body assembly, torque transmission, clamping force transmission and stress support of parts are carried out in a highly integrated manner, installation and signal transmission of a force sensor in a very narrow space are realized, and the performance is reliable.

The utility model relates to the technical field of vacuum feed-through, and discloses a vacuum hollow magnetic coupling feed-through device used for a magnetron sputtering coating machine, which comprises an isolation cover, a magnetic coupling feed-through device and a magnetic coupling feed-through device, the first end of the hollow main shaft extends into the isolation hood; the outer magnetic rotor surrounds the outer side of the isolation cover; the inner magnetic rotor is connected to the outer side of the first end of the hollow main shaft; the input wheel is connected with the outer magnetic rotor and is used for being connected with external driving equipment; according to the utility model, the hollow main shaft is adopted, while magnetic coupling torque transmission is realized, the hollow main shaft rotates in the vacuum chamber, and devices which do not need to be rotated, such as wiring and installation of manipulators, can be accommodated in the hollow main shaft, so that the feed-through structure is endowed with more functional richness, flexibility and various possibilities; flanges at two ends of the isolation cover facilitate connection of an external device outside the vacuum chamber.

A blind rivet nut-setting tool for setting a rivet nut including a housing having an anvil, a pull stud for engaging the rivet nut, and an output shaft defining a drive axis. The tool includes a motor defining a motor axis. The motor is configured to transfer torque to the output shaft to rotate the pull stud about the drive axis. The tool includes a clutch mechanism that is disposed between the motor and the output shaft. The clutch mechanism is moveable between an engaged state, in which a reaction torque exerted on the pull stud is below a predefined torque threshold, and a disengaged state, in which a reaction torque exerted on the pull stud is equal to or above a predefined torque threshold. The tool includes a pull mechanism that is driven by the motor and capable of translating the pull stud along the drive axis.

The invention discloses a hollow flexible joint module and a foot type robot, and relates to the technical field of joints. The device specifically comprises a shell, an output shaft body, a frameless motor, a harmonic reducer and a flexible assembly are arranged in the shell, and the output shaft body is rotationally connected to the middle of the shell; the frameless motor is arranged at one end of the shell; the input end of the harmonic reducer is connected with the output end of the frameless motor; the flexible assembly is connected to the output end of the harmonic reducer, and the middle is connected with the output shaft body. The frameless motor drives the output shaft body to rotate through the harmonic reducer and the flexible assembly in sequence. The output shaft is installed in the middle of the flexible assembly, the flexible assembly and the harmonic reducer jointly participate in torque transmission, when the output shaft body is impacted, the flexible assembly reduces impact force borne by the harmonic reducer through deformation of the flexible assembly, and the service life of the harmonic reducer is prolonged; and meanwhile, the torque of the output shaft body is ensured through deformation of the flexible assembly.

The invention discloses a wind driven generator large-torque transmission chain resistance increasing control method and system, and relates to the technical field of wind driven generator resistance increasing control. The method comprises the steps that operation parameters of a wind driven generator are collected in real time and preprocessed; calculating a rotation fluctuation frequency set and a corresponding amplitude spectrum of the current time window, and tracking and locking the dominant vibration frequency; constructing a fan state space prediction model containing the torsional vibration state of the transmission chain, outputting the predicted variable quantity of the torque of the transmission chain in the next control period, constructing a filter bank based on the dominant vibration frequency, performing filtering compensation on the predicted variable quantity, and generating an electromagnetic torque given value; and performing phase lead compensation on the electromagnetic torque given value, generating a control instruction, sending the control instruction to the wind power converter, and controlling the wind power generator to output the corresponding electromagnetic torque by using the wind power converter. Through systematic multi-link cooperative processing, the vibration suppression effect and the operation stability of the transmission chain can be comprehensively improved.

A multi-axis tightening device comprises a device input shaft 10 and a plurality of tightening heads 11, the device is provided with a plurality of transmission units 20, each transmission unit is provided with a first unit output shaft 21, a second unit output shaft 22 and a unit input shaft 23, the unit input shaft 23 drives the first unit output shaft 21 and the second unit output shaft 22 to rotate, the first unit output shaft 21 and the second unit output shaft 22 of the transmission unit drive the unit input shaft 23 of another transmission unit or drive the tightening head 11. The application adopts a plurality of three-axis structure transmission units, the three axes of the transmission unit can be associated transmission, constitute a chain transmission structure, constitute a multi-axis torque transmission device of one input shaft and a plurality of output shafts, a plurality of output shafts can twist a plurality of operation objects at the same time, one input rotation operation can output the twist of a plurality of operation objects, avoid missing the bolt that is not tightened, and can adjust the twisting degree of a plurality of twisting objects.

A floor cleaning machine is provided, comprising a floor head (12) to which a support plane (26) for a floor (18) to be cleaned is assigned, a first disc holder (52) and a first cleaning tool (44), wherein the first disc holder (52) is arranged on the floor head (12) and holds the first cleaning tool (44) and is driven to rotate about a first axis of rotation (50) during operation of the floor cleaning machine, a second disc holder (56) and a second cleaning tool (46), wherein the second disc holder (56) is arranged on the floor head (12) and holds the second cleaning tool (46) and is driven to rotate about a second axis of rotation (58) during operation of the floor cleaning machine, wherein the first axis of rotation (50) of the first disc holder (52) and the second axis of rotation (58) of the second disc holder (56) are each oriented transversely to the support plane (26),a drive motor (89) for the first disc holder (52) and the second disc holder (56), which is seated on the base head (12), a torque transmission device (88) which is torque-effectively coupled to the drive motor (89) and ensures torque transmission to the first disc holder (52) and the second disc holder (56), and a holding rod device (14) which is movably hinged to the base head (12), wherein the torque transmission device (88) has a first gear (68) which is torque-effectively coupled to the first disc holder (52) via a first toothed belt (76), and a second gear (78) which is torque-effectively coupled to the second disc holder (56) via a second toothed belt (86).

The invention relates to the technical field of electric drive axle control, and discloses an electric drive axle motor and gearbox integrated control system based on an SIC module. The system comprises a power distribution module, a torque coordination module, a temperature field balancing module, an efficiency optimization module and a system integrated control module. The power distribution module integrates the motor power, the transmission ratio of a gearbox and the axle end torque requirement according to the real-time state of the electric drive axle, distributes regulation and control values and parameters, and generates a power control parameter set; the torque coordination module analyzes the influence of power switching on the system stability, adjusts the torque transmission balance and generates a coordination parameter set; the temperature field module analyzes a thermal field of the SIC module, adjusts heat dissipation parameters and generates a temperature regulation and control result; the efficiency optimization module extracts efficiency fluctuation and energy consumption offset to generate an optimization data set; and the system integration module analyzes the overall efficiency and optimization time, and generates an integrated control data table. According to the system, cooperative control of the motor and the gearbox is achieved, SIC heat dissipation is optimized, and the efficiency and reliability of the system are improved.

A vehicle door device includes first and second link arms each including a first pivotal connection point to a vehicle body and a second pivotal connection point to a door of a vehicle, and a drive unit that opens and closes the door based on an operation of a link mechanism formed by the first and second link arms by using at least one of the first and second link arms as a drive link and pivoting the drive link. The drive unit includes an actuator that outputs drive torque, and a transmission mechanism that transmits the drive torque to the drive link disposed at a position separated from the actuator. The transmission mechanism includes a torque input portion that inputs the drive torque to the drive link, and a power transmission member that forms a transmission path for the drive torque in a state of extending between the actuator and the torque input portion and has flexibility to enable transmission of the drive torque in a bent state.

The invention discloses a high-performance and long-service-life gearbox assembly which comprises a gearbox body, a gear shaft and a gear. The gear shaft is installed in a bearing sleeve through a first rolling bearing. A fan assembly is mounted on the right end shaft section of the gear shaft; the centrifugal fan is characterized in that the fan assembly comprises a shell, a first impeller, a second impeller and a second rolling bearing, the first side wall of the shell is fixedly connected with an end flange of the bearing sleeve, and the first impeller and the second impeller are installed on the right end shaft section and installed in an impeller cavity defined by the shell; the inner peripheral wall of the second impeller is connected with the right end shaft section through a second rolling bearing; the gear shaft can drive the first impeller to rotate in a torque transmission mode, and at the moment, the second impeller passively rotates under the acting force of suction airflow of the first impeller. The suction performance, flow and efficiency of the fan assembly can be improved, so that the heat dissipation effect on the bearing is improved, the heat exchange efficiency of airflow in the gearbox is improved, the operation performance of the gearbox is improved, and the service life of the gearbox is prolonged.

A coaxial drive unit is provided with a motor coaxial with a first axis. The drive unit has a differential that is coaxial with the first axis and includes a differential gear set for differential torque transmission to paired axles, an output shaft driven by the motor to rotate about the first axis and having a through-hole that allows one of the paired axles to reach the differential from an exterior. A transmission shaft is rotatable about a second axis parallel with the first axis and in mesh with both the output shaft and the differential to transmit the torque from the motor to the differential, a clutch is disposed between the motor and the differential gear set to limit a differential motion or disconnectably connect the output shaft with the differential, and an actuator is disposed above the first axis and configured to drive the clutch.

The invention relates to a hub carrier device (1) for a motor vehicle, comprising a hub carrier (2) and a hub bearing (3) for mounting a hub (4) on the hub carrier (2) in a rotatable manner about a hub rotational axis (5), the hub (4) having a first toothing (11) which engages with a second toothing (12) of a torque transmission element (9), according to the invention, a seal (14) is arranged between the outer ring (7) and the inner ring (6) of the hub bearing (3), which seal interacts with a front sealing element (15) that interacts with the torque transmission element (9) in a form-fitting manner in order to fix the torque transmission element relative to the hub bearing (3) in the axial direction with respect to the hub rotational axis (5). According to the invention, the front sealing element (15) surrounds the outer ring (7) of the hub bearing (3) to form a sealing labyrinth (22). The invention also relates to a method for producing a hub carrier device (1) for a motor vehicle.

The invention discloses a self-adaptive tension pay-off system for a stranding, cabling or extrusion process. The self-adaptive tension pay-off system comprises a pay-off reel, a torque transmission shaft, a force feedback type torque control unit, a lever arm, a swing arm, a cable guide wheel a, a cable guide wheel b, a cable guide wheel c and a tension feedback transmission system, the pay-off reel is arranged at one end of the transverse torque transmission shaft, and the force feedback type torque control unit is arranged at the other end of the torque transmission shaft in a force transmission fit mode. The lever arm is arranged above the torque transmission shaft, and the middle section of the lever arm is rotationally installed on the lever support through the lever shaft. A cable guide wheel a and a cable guide wheel b are respectively arranged at two ends of the lever arm; the swing arm is arranged on the upper side of the lever arm, the c cable guide wheel is rotationally installed at the upper end of the swing arm, and the lower end of the swing arm is in linkage with the combining force feedback type torque control unit through the tension feedback transmission system. The problems that an existing mechanical scheme is high in jerking sense and unsmooth in adjustment are solved.

The invention discloses a clutch torque transmission characteristic dynamic test method, and relates to the field of clutch control, and the method comprises the steps: building a test bench, and separating a clutch, the transmission is put into a direct gear; presetting working condition parameters, wherein the working condition parameters comprise an output dynamometer target rotating speed N, an input dynamometer target rotating speed N and a clutch actuator target initial position P; obtaining a preset target torque loading strategy; according to the preset target torque loading strategy, the current position of a clutch actuator is controlled, a clutch friction pair is made to move relatively, and meanwhile test data are collected; acquiring a preset temperature threshold value; according to the test data, whether the clutch reaches a preset temperature threshold value or not is judged; if not, continuing to execute the preset target torque loading strategy; if yes, acquiring a target test position, and generating test data of the target test position; and preprocessing the test data according to the target test position test data, and generating an all-position test result.

A steering feedback unit detects a steering torque generated according to an operation of a steering wheel, a road-wheel steering unit connected to the steering feedback unit to allow a steering of a wheel to be performed according to a steering angle or the steering torque transmitted from the steering feedback unit, and a control unit determines the steering torque detected in the steering feedback unit as a steering angle selectively according to a preset standard vehicle speed and standard steering speed to transmit the determined steering angle to the road-wheel steering unit, and controls the steering of the wheel according to the steering angle to be performed, or transmits the steering torque detected in the steering feedback unit to the road-wheel steering unit and control the amount of motor torque for the steering of the wheel to be determined.

A bicycle component for a bicycle freewheel unit, wherein the freewheel unit includes a rotary unit and a toothed disk device coupled with the rotary unit. The toothed disk device includes an end toothing with axial engagement components for engaging corresponding engagement components of another toothed disk device. The toothed disk device and the rotary unit are each configured as coupling components coupled to one another, and include a radial toothing each, for engaging with one another, and which are commonly rotatable. The rotary unit and the toothed disk device are movable in a peripheral direction relative to one another between a driving position and a rest position, so that prior to torque transmission starting, a coupling component is rotated in the driving direction about a clearance angle of at least 5°, until torque can be transmitted, when the two radial toothings have previously been in the rest position.

A system for operating a magnetorherological (MR) fluid actuator unit between bodies mau have at least one MR fluid actuator unit including a motor assembly, the motor assembly operating within a first frequency range, and a MR fluid clutch apparatus connected to the motor assembly to apply a variable amount of force from the motor assembly between at least two of the bodies, the MR fluid clutch apparatus operating within a second frequency range, the second frequency range being higher than the first frequency range. At least one sensor provides data indicative of a state of at least one of the bodies. The system may be used for: receiving the data from the at least one sensor: determining from the data that the motor assembly has to accelerate or decelerate to control an amplitude and direction of a relative speed between input and output of the MR fluid clutch apparatus to transmit a desired force between the bodies: controlling the motor assembly to accelerate or decelerate toward the given value at the first frequency range, and concurrently reducing a torque transmission from the MR fluid clutch apparatus during a lag period in which the torque transmission acts opposite to the desired force.

The invention belongs to the technical field of metal barrel necking spinning forming equipment, and particularly relates to a self-expansion self-centering inner supporting device and method for necking spinning of a waist drum-shaped part. The device comprises a positioning mandrel, a plurality of sectioning expansion dies uniformly distributed in the circumferential direction, an expansion driving assembly and a torque transmission and floating connection assembly. Spinning forming can be completed through one-time clamping and positioning, the workpiece can be rapidly detached from the inner supporting tool after being formed, the workpiece does not need to turn around to be clamped again for secondary spinning, large form and location tolerance of the workpiece is prevented, the size precision of the workpiece is guaranteed, and the production efficiency of the waist-drum-shaped workpiece is improved. Expansion and loosening can be achieved only by rotating the outer adjusting cylinder, operation is easy and fast, and the clamping and discharging efficiency is remarkably improved. By replacing the split expanding dies with different shapes or adjusting the expanding stroke, the spinning requirements of cylindrical parts with different inner diameters and different shapes can be met, and the universality is good.

The utility model belongs to the technical field of nut wrenches, and particularly relates to a precise locking nut wrench which comprises a wrench body, two bearings are fixedly connected to the inner wall of the wrench body, and the same main shaft is welded to the inner sides of inner rings of the two bearings. The wrench body serves as a main body of the whole tool and is flexibly and rotationally connected with the main shaft through the bearing, the limiting sleeve is installed on the main shaft and used for limiting the stroke of the main shaft, the square hole is formed in one end of the wrench body, and the shape and the size of the square hole are designed to be matched with those of a torsion bar on a torsion plate. A user can directly sleeve the torsion bar on the torsion plate into the square hole to realize torque transmission and control of the wrench body, the locking part is a key part of the wrench body and is in direct contact with a locked nut, and when a torsion wrench applies torque, the torque is transmitted to the torsion bar through the torsion plate and then is further transmitted to the locking part of the main shaft, so that the nut is locked. Therefore, locking of the nut is achieved, and efficient and accurate locking operation is achieved.

A culvert-clearing system is provided. The system includes a base plate with alignment features, a pivotable winch assembly, and a scraper mechanism designed for bidirectional movement through a culvert. The winch assembly may be hydraulically powered and optionally retrofitted to existing winches using a conversion kit that integrates a hydraulic motor with a drive shaft via an adapter plate and coupler. The hydraulic motor is operated via a control unit and pump system to ensure proper torque delivery. A scraper assembly with angled arms and teeth is connected to a winch cable routed through a pulley assembly anchored at the far end of the culvert, enabling effective debris dislodgment and transport toward an accessible opening.

A bubble blowing device is provided, which connects an output shaft of a motor and a bubble mesh by providing with a deceleration mechanism. The deceleration mechanism can slow down and stabilize the speed of the bubble mesh while the output shaft is rotated at a high speed, thereby reducing a vibration phenomenon of the bubble mesh during operation and improving the smoothness and reliability of the bubble blowing device. Furthermore, by providing the deceleration mechanism in an length extension direction of the output shaft, a torque transmission distance between the output shaft and the bubble mesh can be effectively shortened, thereby avoiding a problem of excessive vibration caused by a long torque transmission distance, it can also render the structure of the entire bubble blowing device more compact, which is not only easy to carry, but also saves storage space.

Various personal mobility vehicles, such as scooters, are disclosed. The scooter can include at least one battery and motor for powering at least one driven wheel. The vehicle can include a gear assembly to convert a torque produced by the motor to a different torque to a driven shaft to power the at least one driven wheel. The battery can be removable.

The invention relates to the technical field of nut anti-loosening testing, and provides nut anti-loosening torque vibration testing equipment which comprises a rack, a tool mechanism and a tool mechanism. The tool mechanism comprises a measuring piece, a mounting accessory, a connecting piece, a rotating source and a detecting piece; the measuring piece is connected with the mounting accessory through the connecting piece, and the measuring piece and the mounting accessory are rotatably arranged on the rack around a first axis; the rotating source is arranged on the rack, and the power output end of the rotating source is connected to the measuring piece, the mounting accessory or the connecting piece; the measuring member has a first plane, and the mounting fitting has a second plane. A plurality of threaded holes of different specifications are formed in the second plane, the measuring hole and the threaded holes are located on the same circle, and the circle center of the circle is located on the first axis; the detection piece is arranged on the inner wall of the measuring hole. The nut anti-loosening torque vibration test equipment provided by the invention can solve the problems of torque transmission and vibration simulation distortion, and improves the consistency of test results.

An aspect of the present disclosure is drawn to a system for use with a torque tool and a fastening element. The torque tool has a motor and an engaging mechanism. The engaging mechanism can transfer a first torque to the fastening element when the motor operates in a first rotation mode and can transfer a second torque to the fastening element when the motor operates in a second rotation mode. The system includes a torque detector that detects a magnitude of torque applied to the fastening element and outputs a torque signal; and a controller that outputs a first drive signal to cause the motor to operate in the first rotation mode and outputs a second drive signal to cause the motor to operate in the second rotation mode based on the torque signal.

The invention relates to a disengagement device, in particular to a mechanical disengagement device for a subway gear box, and solves the problems that according to an existing speed reducer dynamic disengagement device, when inner teeth of a gear sleeve are combined with outer teeth of combination teeth, a synchronous ring is used for a long time, friction force is reduced, and the failure rate is increased. The outer spline section is arranged on the axle, the out-of-gear sliding sleeve is meshed with the outer spline section of the axle through the inner spline on the inner wall and is in sliding fit with the axle in the axial direction, and when the traction motor breaks down, the shifting fork is driven by the executing mechanism to shift the out-of-gear sliding sleeve, so that the outer spline of the out-of-gear sliding sleeve is separated from the inner spline of the sliding groove of the driven gear; at the moment, torque is input from the axle and transmitted into the out-of-gear sliding sleeve, the out-of-gear sliding sleeve is not meshed with the driven gear any more, the driven gear is only rotationally connected with the axle, torque transmission is interrupted, the structure is simple, meshing of the out-of-gear sliding sleeve and the driven gear does not need a synchronizing ring, and fault points are reduced.

The present invention provides a car seat turntable mechanism and a car seat, belonging to the technical field of car seats. The turntable mechanism includes a base frame, a rotating shaft, a driving assembly, an eccentric wheel, a fixed gear ring, a movable gear, a movable plate and a rotating frame. The rotating shaft is arranged on the base frame, the driving assembly is used to drive the rotating shaft to rotate, the eccentric wheel is arranged on the rotating shaft and rotates synchronously with the eccentric wheel, the fixed gear ring is arranged on the base frame and includes an inner tooth portion, the movable gear is sleeved on the outside of the eccentric wheel and partially meshed with the inner tooth portion, a linkage protrusion is provided on the movable plate, the movable plate includes a linkage hole that cooperates with the eccentric wheel and a linkage port that cooperates with the linkage protrusion, and the rotating frame rotates following the movement of the movable plate; the mechanism of the present invention occupies less space and is easier to adapt to various vehicle models, and the torque transmission during rotation is more efficient, so that a larger torque output can be achieved in a smaller volume, thereby meeting the power requirements for seat rotation, and at the same time, the mechanism has low noise and good stability during operation.

The invention relates to an adjustment arrangement for a locking element (2) of a motor vehicle, which has a first and second strand section (14, 15) with force- or torque-transmitting strand components coupled to each other, wherein the first strand section (14) is assigned a locking element-side, first connection (8) of the adjustment arrangement (1) and the second strand section (15) is assigned a body-side, second connection (9) of the adjustment arrangement (1), wherein the strand sections (14, 15) are linearly movable relative to each other for carrying out linear movements between the first connection (8) and the second connection (9) along a geometric axis of movement (A) between a retracted position and an extended position and are preloaded against each other by a spring arrangement (18) which has a helical spring (19) with spring coils (20) which extend circumferentially around the axis of movement (A).It is proposed that the spring arrangement (18) has a sliding part (22) extending at least partially circumferentially around the axis of movement (A), which is arranged radially between one or more of the spring coils (20) and a radial component (21) immediately adjacent to the helical spring (19) and is held axially fixed and / or rotationally fixed to the helical spring (19) via a sliding part contact surface (25).