1298 results about "Unit/actuation" patented technology

The embodiment of the invention provides a cleaning robot and a working method thereof. The cleaning robot comprises a robot body, a mopping assembly and a driving device. The mopping assembly comprises a cleaning unit motor and a cleaning unit; the driving device is arranged on the machine body and connected with the mopping assembly. In the width direction of the machine body, the driving device can drive the mopping assembly to extend out of at least one side of the machine body relative to the machine body so that part of the mopping assembly can be exposed. The driving device drives the mopping assembly to retract to the first working position and then drives the mopping assembly to ascend and descend relative to the machine body. According to the technical scheme, the mopping and washing assembly integrally acts relative to the cleaning robot body, the mopping and washing assembly can conduct self-cleaning at any position, and therefore the cleaning robot has the good cleaning effect and is high in cleaning efficiency. In addition, according to the scheme, the mopping assembly retracts firstly and then is lifted, so that the risk of collision in the lifting process of the mopping assembly is reduced, and complex logic for judging the surrounding environment is omitted.

The invention relates to the technical field of wafer bonding devices, in particular to a wafer bonding pressure control mechanism and method. The mechanism comprises a main driving unit and a bonding pressing rod linked with the main driving unit, the main driving unit drives the bonding pressing rod to move in the bonding pressure direction, bonding pressure is applied to a wafer through the bonding pressing rod, the bonding pressing rod is linked with the main driving unit through a pressure maintaining air cylinder, and the bonding pressing rod is arranged at the tail end of a piston rod of the pressure maintaining air cylinder; a displacement sensor is further included, the displacement change of the bonding pressing rod is detected through the displacement sensor, and the displacement sensor is electrically connected with the main driving unit. The main driving unit and the pressure maintaining air cylinder are combined to form a composite operation control system, the bonding pressure is controlled and adjusted by controlling the air pressure of the pressure maintaining air cylinder, and the stability of the bonding pressure is ensured.

The invention discloses a multi-device and multi-mode centralized control system which comprises an interaction control end and a device assembly. The interactive control end is configured according to three different control modes of centralized control, independent control and hybrid control, in the centralized control mode, a set of main control unit is configured for all devices, and the main control unit comprises a main control server which is used for operating a main control program and coordinating and controlling operation of all device components; in the independent control mode, each equipment component is provided with a corresponding embedded controller, and the embedded controller comprises an embedded control server which is used for operating a main control program for controlling the corresponding equipment component; in the hybrid control mode, one or more independent devices are provided with embedded controllers, the embedded controllers communicate with the main control server, the device assembly comprises a device body and a driving unit, and the device body is driven by the driving unit to achieve various operation functions. According to the invention, centralized control of multiple devices in a large-scale manufacturing factory can be realized.

The invention discloses an unmanned aerial vehicle hangar and a vehicle. The unmanned aerial vehicle hangar comprises a hangar body and a cabin door opening and closing mechanism. The hangar body comprises a hangar body, a first cabin door and a second cabin door, an opening is formed in the hangar body, and the first cabin door and the second cabin door are both movably arranged at the opening to open and close the opening; the cabin door opening and closing mechanism comprises a cabin door driving unit and a cabin door moving shaft, the cabin door moving shaft is connected with the first cabin door and the second cabin door, and the cabin door driving unit is in driving fit with the cabin door moving shaft and suitable for driving the first cabin door and the second cabin door through the cabin door moving shaft. The first door and the second door are moved in a direction away from each other to open the opening and in a direction close to each other to close the opening. Therefore, the cabin door driving unit drives the two cabin doors to be opened and closed at the same time, the structure is simple and compact, few power sources are needed, the operation process is stable, the requirement for the rigidity of the cabin doors can be lowered, and the opening opening and closing stability of the cabin doors is improved.

The invention relates to the technical field of mechanical arm control, in particular to a flexible mechanical arm control system which comprises a flexible mechanical arm body, a driving unit, a driving state sensing unit, an upper computer controller and an intelligent controller. The flexible mechanical arm body is formed by connecting a plurality of flexible cavity muscles and a plurality of connecting modules in series, and the clamping mechanism is installed at the front end of the flexible mechanical arm body; the driving unit is used for driving the flexible joint of the mechanical arm to move and deform by adjusting the air pressure and driving the clamping mechanism to act by adjusting the air pressure; the driving state sensing unit comprises a shape sensing unit, a tail end pose sensor and a driving state sensor; high-precision reconstruction of the full state of the mechanical arm is achieved, an intelligent control algorithm is combined, accurate trajectory tracking and point position control can be achieved, closed-loop control can be achieved only through a body sensor without depending on external visual equipment, and the applicability and reliability of different scenes are improved.

The invention relates to the technical field of universal joint machining, in particular to a three-pin-column machining method and system. The three-pin column is positioned and clamped on the clamping assembly; wherein positioning and clamping comprise the steps that a positioning unit of the clamping assembly abuts against two supporting shafts of the three-pin column, and a second clamping unit of the clamping assembly expands a connecting hole of the three-pin column; a supporting shaft, at the machining position, of the three-pin column is machined; the positioning unit relieves the abutting of the two supporting shafts, and the second clamping unit drives the three-pin column to rotate until one of the two unmachined supporting shafts reaches the machining position; the positioning unit abuts against the two supporting shafts of the three-pin column, and the supporting shaft at the machining position is machined. In this way, the problem that the machining efficiency of the three-pin column is low is solved.

The invention relates to the technical field of stirring devices, and particularly discloses an automatic horseradish material stirring device which comprises a tank body, a material mixing unit arranged in the tank body and a reciprocating driving unit used for driving the material mixing unit, an upper sliding sleeve in the material mixing unit is driven by the reciprocating driving unit to do axial reciprocating motion, so that a material stirring piece is alternately switched in different postures, and materials in an inner container are fully stirred; in the initial state, the material stirring piece is located at the suspended position, the rotating shaft rotates to drive the material stirring piece to stir materials, and horseradish powder and seasoning are fully mixed; when the reciprocating driving unit pushes the upper sliding sleeve to move downwards, the material stirring piece gradually descends to be in contact with the bottom surface of the inner container, and cakes at the bottom are rolled by utilizing mutual friction between the material stirring piece and the bottom surface of the inner container, so that the phenomenon of caking and clustering generated in the mixing process is effectively eliminated, and uniform mixing of materials is ensured.

The utility model discloses a high-flexibility flexible mechanical finger supporting forward and reverse holding and a manipulator. The mechanical finger comprises a middle finger section, a base finger section and an end finger section, wherein the base finger section and the end finger section are rotationally connected with the two ends of the middle finger section respectively. Driving units are arranged in the end finger section, the middle finger section and the base finger section; bevel gear transmission units are arranged at the tail end of the end finger section, the tail end of the middle finger section and the tail end of the base finger section; the driving units are in transmission connection with the corresponding bevel gear transmission units; the driving unit drives the end finger section and the base finger section to rotate by taking the corresponding bevel gear transmission unit as a central shaft; through the structure and position design of the micro driving motor and the bevel gear transmission unit, each finger and each knuckle of the manipulator can be flexibly controlled, so that the manipulator has higher bionic flexibility and more precise grabbing capacity, and can be suitable for different scene requirements; by means of the special inserting mode between knuckles, the left-right hand grabbing function of the single mechanical arm is achieved.

The invention relates to the field of cable cabling, in particular to density-adjustable cabling equipment and a control method thereof.The cabling equipment comprises a feeding mechanism, a pre-deformation mechanism, a bundling mechanism and a control unit; the feeding mechanism comprises a first guide disc driven by a driving unit to rotate, a main unwinding wheel used for unwinding a main wire core and a plurality of auxiliary unwinding wheels used for unwinding stranded cables. The pre-deformation mechanism comprises a pre-deformation device, and the pre-deformation device is provided with a first diameter measuring unit and a second diameter measuring unit; the bundling mechanism comprises a box body and a pulling piece, the distance between the box body and the pre-deformation mechanism is adjustable, a cabling through hole for a main cable core to penetrate through is formed, and the control unit can calculate a target spiral angle of the stranded cable under the condition that the preset distance is met, and further calculates the rotating speed of the first driving unit and the pulling speed of the pulling piece; according to the invention, the cabling process can be accurately controlled, the cable coating density can be flexibly adjusted, the cabling quality can be guaranteed, and the production reliability can be improved.

The invention relates to the technical field of automatic machining equipment, in particular to a bending method and a bending device.The bending method provides bending device.The bending device comprises a first bending unit and a second bending unit, the first bending unit is provided with a first bending part, and the second bending unit is provided with a second bending part; the method comprises the following steps: transferring a flexible structure to a first bending unit; the first bending part is driven to do jacking motion in the first direction to jack the first bending position of the flexible structure, so that the flexible structure forms a first bending structure at the first bending position; the flexible structure bent for the first time is transferred to a second bending unit; and the second bending part is driven to do translational motion in the second direction, so that the flexible structure is pushed to be close to the position of the second bending position, and the flexible structure forms a second bending structure at the second bending position. The invention mainly aims to provide a bending method and aims to realize secondary bending of a flexible structure.

The invention relates to the technical field of shock absorption, in particular to an active shock absorber and an installation method. The active damper comprises a damping assembly and a driving unit. The damping assembly comprises an outer cylinder unit and a piston unit; the outer cylinder unit comprises an outer cylinder body, a first opening and a second opening; part of the piston unit is movably arranged in the outer cylinder and divides the outer cylinder into an upper cavity and a lower cavity. The first opening is communicated with the upper cavity; the second opening is communicated with the lower cavity. The driving assembly comprises a driving unit and a first supporting unit; the driving unit inlet / outlet is communicated with the first port and the second port; the first supporting unit comprises a first connecting module, a second connecting module and a third connecting module; the first connecting module and the third connecting module are respectively connected with the driving unit; the second connecting module is arranged between the first opening edge and the second opening edge; the second connecting module is connected with the outer cylinder body; and the second connecting module is connected with the side walls in the first port and the second port. Therefore, the problem that when the driving structure is connected to the outer side of the cylinder body, fixation is not firm enough is solved.

The invention discloses an intelligent variable-frequency tensioning device and a control method. The intelligent variable-frequency tensioning device comprises six units including a multi-modal data sensing and interaction integration unit and a self-adaptive variable-frequency driving execution regulation and control unit. The multi-modal data sensing and interaction integration unit collects tension, displacement and speed signals of operation of the tensioning device, the hierarchical parameter optimization processing center performs feature extraction and primary processing on data, and the intelligent algorithm collaborative decision module fuses an optimized PID control algorithm and an RBF neural network model to generate a control strategy. A motor is driven by the self-adaptive variable frequency driving execution regulation and control unit, the mechanical structure dynamic adjustment linkage unit is driven to adjust a tensioning part, and the state monitoring and feedback correction unit monitors in real time and feeds back data for strategy and parameter correction. According to the device and method, intelligent frequency conversion control of the tensioning device is achieved, control precision and system stability are effectively improved, and complex working condition requirements are met.

The invention discloses a sampling device and a conveying system, and the sampling device comprises a sampling assembly which comprises a sampling unit and a first driving unit, and the first driving unit is used for driving the sampling unit to rotate in a conveying pipeline; the sampling assembly comprises a sampling bottle, a sampling channel and a driving assembly, the sampling bottle is connected with the sampling channel, and a first valve is arranged in the sampling channel; the driving assembly is used for controlling connection and disconnection of the sampling bottle and the sampling channel; when the first driving unit drives one end of the sampling unit to be communicated with the sampling channel, the other end of the sampling unit can cut into the center of the conveying pipeline for sampling, and the driving assembly controls the sampling bottle to be communicated with the sampling unit through the sampling channel; a sample enters the sampling bottle from the sampling unit through the sampling channel and is stored in the sampling bottle. According to the sampling device and the conveying system, the problem that sampling is not representative can be solved.

An independent steering device includes: a knuckle coupled to a wheel; and a driving unit having the knuckle rotatably coupled to at least a portion thereof and providing a driving force for rotating the knuckle. The driving unit may include: a motor having a first rotating shaft; a reducer having a second rotating shaft and coupled to the knuckle; and a power transmission member connecting the first rotating shaft and the second rotating shaft and configured to transmit rotational force between the first rotating shaft and the second rotating shaft. The motor and the reducer may be disposed so that the first and second rotating shafts are parallel.

The invention provides a machining device and method for shot blasting machine spare and accessory parts, and relates to the technical field of shot blasting machine spare and accessory part machining. The machining device comprises a connecting unit, a driving unit, a drill bit, a tapping unit and a multifunctional unit; the number of the driving units is two, and the two driving units are installed on the connecting unit. The drill bit is mounted on the driving unit on the left side through a bolt; the tapping unit is mounted on the driving unit on the right side; the multifunctional unit is mounted on the connecting unit, is used for preventing chips after machining from splashing outwards, and is also used for controlling the connecting unit and the two groups of driving units; the shot blasting machine spare and accessory parts can be processed for multiple times after being positioned once, so that the processing efficiency of the shot blasting machine spare and accessory parts is improved; the problems that the shot blasting machine spare and accessory parts are inconvenient to machine for multiple times, so that more time is occupied when the shot blasting machine spare and accessory parts are disassembled and assembled, and the machining efficiency of the shot blasting machine spare and accessory parts is reduced are solved.

The invention relates to the technical field of pipe cutting, and discloses a metal pipe cutting device which comprises a cutting table, and a cutting machine, a first supporting ring and a second supporting ring are sequentially arranged on the top face of the cutting table. Wherein the first supporting ring is fixedly connected to the top face of the cutting table, a first supporting assembly is arranged on the inner ring side of the first supporting ring, and the supporting end of the first supporting assembly makes rolling contact with the pipe so that the pipe can be connected with the first supporting ring in a sliding mode and fixed to the axis of the first supporting ring; the second supporting ring is slidably connected with the cutting table, a second supporting assembly is arranged on the inner ring side of the second supporting ring and comprises a supporting plate connected with the pipe so that the pipe can be fixed relative to the second supporting ring, a driving unit is arranged on the second supporting ring, and the driving end of the driving unit is connected with the supporting plate. The supporting plate moves in the axial direction of the pipe fitting and is used for enabling the pipe fitting to stretch out of the second supporting ring in the axial direction. The cutting efficiency and effect of the metal pipe can be improved, and the utilization rate of cut tailings is increased.

The present invention relates to a mobile transport system (10) for transporting objects, particularly in technical facilities, the mobile transport system comprising: a vehicle frame (12); a pair of first support wheels (41) and a pair of second support wheels (42) rotatably supported; a first drive wheel (71) rotatable about a first drive axis (73) extending in the lateral direction (Y); a second drive wheel (72) rotatable about a second drive axis (74) extending in the lateral direction (Y); and a pitch frame (14) rotatable about a pitch axis (13) relative to the vehicle frame (12), wherein the first support wheels (41) are arranged on the vehicle frame (12) and the second support wheels (42) are arranged on the pitch frame (14). A drive unit (70) is arranged on a pitch frame (14). The drive unit has a drive frame (75), wherein a first drive wheel (71) is rotatably supported on a first rocker arm (81) that can swing relative to the drive frame (75) about a first rocker arm axis (91), and a second drive wheel (72) is rotatably supported on a second rocker arm (82) that can swing relative to the drive frame (75) about a second rocker arm axis (92). The first rocker arm (81) and the second rocker arm (82) are connected to each other via a connecting unit, such that the swinging motion of the first rocker arm (81) about the first rocker arm axis (91) in a first swinging direction (A) causes the second rocker arm (82) to swing about the second rocker arm axis (92) in a second swinging direction (B) opposite to the first swinging direction (A).

The utility model relates to the technical field of testing tools, and particularly provides a corrugated pipe service life testing device and equipment. The device comprises a testing cavity, a middle fixing plate, a lower fixing plate, a first driving unit, a first connecting piece, a second connecting piece and a vacuum pump unit, the two ends of the tested corrugated pipe are fixedly connected with the first connecting piece and the second connecting piece respectively, the first connecting piece is fixedly connected with the side, close to the lower fixing plate, of the middle fixing plate, and the second connecting piece is fixedly connected with the side, close to the middle fixing plate, of the lower fixing plate. In the process that the first driving unit drives the middle fixing plate to move close to or away from the lower fixing plate, the tested corrugated pipe is extruded or stretched, so that the actual use working condition of the tested corrugated pipe is simulated; and in the service life testing process, the vacuum pump unit is used for maintaining the interior of the testing cavity at the specified vacuum degree, so that the testing working condition is closer to the actual use working condition of the tested corrugated pipe, and the accuracy of the tested service life of the corrugated pipe is improved.

The utility model discloses a full-automatic spring plunger height and torsion detection device which comprises an automatic carrying mechanism, an automatic detection mechanism and a control system. The automatic detection mechanism comprises a lower die assembly, a pressure sensor and a servo lifting driving unit; a detection positioning groove with an opening in the upper end is formed in the lower die assembly; the control system comprises a PLC and a touch screen connected to the PLC, the PLC is further connected with a communication interface, and the touch screen is used for setting the torsion detection height so that the servo lifting driving unit can drive the pressure sensor to move downwards to the set torsion detection height; the automatic carrying mechanism comprises an automatic clamping jaw unit, and the automatic clamping jaw unit transfers the spring plungers into the detection positioning grooves and discharges the detected spring plungers to a corresponding qualified product area and a defective product area according to a qualified product area and a defective product area. Therefore, the height and the torsion of the spring plunger can be automatically detected on the same automatic detection mechanism, labor is saved, and the detection efficiency, the detection precision and the stability are effectively improved.

To provide a robot and a robot control method capable of suppressing shaft vibration. [Solution] The robot comprises a robot arm, a shaft that moves linearly along the central axis relative to the robot arm, a hand attached to the shaft, a first inertia sensor that measures the inertia in the direction along the central axis of the shaft, a second inertia sensor that measures the inertia in the direction perpendicular to the central axis of the shaft, a first drive unit that moves the shaft along the central axis, and a control unit that controls the drive of the first drive unit. The control unit also performs feedback control on the first drive unit based on the output of the first inertia sensor, determines whether the vibration of the shaft is normal or abnormal based on the output of the second inertia sensor, and sets different conditions for feedback control depending on whether the vibration is abnormal or normal.

The utility model discloses an intelligent multi-connected detachable tumbling machine, which comprises a cabinet body, a refrigeration system, a vacuum system, a plurality of unit tumbling barrels and a unit driving mechanism, the plurality of unit tumbling barrels are arranged on the inner side of the cabinet body, the refrigeration system and the vacuum system are arranged in the cabinet body, the refrigeration system is used for keeping the interior of the cabinet body in a low-temperature state, and the vacuum system is used for keeping the interior of the cabinet body in a vacuum state. The vacuum system is used for enabling the interiors of the unit tumbling barrels to be in a vacuum state, each unit tumbling barrel is connected with a set of unit driving mechanisms, and the unit driving mechanisms are used for driving the unit tumbling barrels to rotate around the axis directions of the unit tumbling barrels and allowing the multiple tumbling barrels to operate independently; each barrel can be used for performing customized tumbling treatment according to different meat products and pickling formulas, so that the space is saved, the equipment investment cost is reduced, the tumbling and pickling formulas of various products can be tested, and data acquisition and comparison are facilitated.

A moveable and demountable workpiece processing bench includes a hollow mounting beam for mounting equipment, a workpiece processing tool releasably mounted on the mounting beam, a positioning arm which is mounted movably in a longitudinal direction inside the hollow mounting beam and which includes a workpiece stopper at an end distal from the workpiece processing tool, and a drive unit, mounted on the mounting beam. The drive unit includes displacement means configured to move the positioning arm to a desired position. The displacement means includes a gear drive, which engages in a rack of teeth on the positioning arm to move the positioning arm to a desired position; and a length control unit for controlling the displacement means. The length control unit includes a length gauge configured to measure the length Lmeasured from the workpiece stopper to a predetermined surface of the workpiece processing tool; and a wireless communication unit configured to at least receive information from a user-controlled device about a desired length of Lworkpiece from a first end of a workpiece to a processing position on the workpiece. The length control unit is further configured to position the workpiece stopper of the positioning arm at a desired length Lworkpiece from the workpiece processing tool, by moving the positioning arm until Lmeasured=Lworkpiece so that the workpiece can be processed at a desired length Lworkpiece from the first end of the workpiece when it rests against the workpiece stopper.

A head driving device includes an actuator assembly driving a head member in a width direction of tape. The head driving device includes a first end support beam, a second end support beam, a first skew driving piezoelectric unit, and a second skew driving piezoelectric unit. The first end support beam is arranged between a first end portion of the head member in a length direction and a base member. The second end support beam is arranged between a second end portion of the head member in the length direction and the base member. The first skew driving piezoelectric unit and the second skew driving piezoelectric unit drive the head member around the Z-axis.

The invention relates to the technical field of needle grinding machines, in particular to a five-grinding-head needle grinding machine which comprises a needle grinding machine rack, a card clothing roller used for winding and installing card clothing is rotatably installed on the inner side of the needle grinding machine rack, and five-grinding-head mechanisms are arranged on the two sides of the needle grinding machine rack respectively. A five-grinding-head mechanism formed by a side grinding head, a pressing grinding head, a fine grinding head, a flat grinding head and a rough grinding head is adopted for comprehensively grinding card clothing, and the sharpness, flatness and smoothness of a needle are improved; through the optimized design of the structure of the driving shaft rod unit, the needle grinding unit can be driven, the card clothing grinding procedure is achieved, the lubricating and cooling functions can be integrated, and the service life of the structure is prolonged; and through combination with the shaft rod supporting unit, the shaft rod supporting unit not only can meet the requirement for limiting and supporting when the driving shaft rod unit is driven, but also can protect the driving shaft rod unit and meet the requirement for intermittent supply of lubricating oil, and therefore the effect that one object has multiple purposes is achieved.

The utility model relates to the technical field of mining equipment, and provides an excavator working device with a fine-adjustable bucket, which comprises a rack, a bucket and a driving assembly unit, the driving assembly unit comprises a lifting mechanism, a bucket adjusting mechanism and a control unit; the lifting mechanism is used for loading and unloading materials through the bucket, and the bucket adjusting mechanism is used for achieving transverse swing of the bucket. The control unit is used for controlling the actions of the lifting mechanism and the bucket adjusting mechanism; the lifting mechanism is arranged on the rack; the bucket adjusting mechanism is arranged on the lifting mechanism, and the bucket is arranged on the bucket adjusting mechanism. According to the utility model, the decoupling with the movement of the vehicle body is realized when materials are loaded, the loading and unloading tasks of the materials can be still completed under the condition that the position of the vehicle body is kept unchanged, the materials are more flexibly shoveled, and the oil consumption is reduced; when meeting uneven road conditions, the bucket can be controlled to be finely adjusted to change the gravity center, and stable driving is achieved; energy consumption is saved, accurate dynamic weighing is achieved, and control precision is improved.

The invention discloses a plastic bottle one-step full-servo injection molding device and a plastic bottle one-step full-servo injection molding method, and particularly relates to the technical field of injection molding equipment. Comprising a rack, a fixed mold, a movable mold, a female mold, an injection port, a male mold, an injection cylinder, a metering injection unit, a communication seat, a cylindrical part, a fixed cylinder, an injection sleeve, a shrinkage cylinder, an injection nozzle, a deformation joint, a taper hole and a pressure relief unit, and the pressure relief unit is used for driving the injection sleeve to move in the fixed cylinder. According to the injection mold, when the pressure of plastic melt in the communication base is large, the pressure relief unit is triggered to act, the pressure relief unit drives the injection sleeve to move in the direction away from the fixed mold, then the shrinkage barrel is separated from the state that the shrinkage barrel is extruded by the taper hole, the shrinkage barrel is converted into elastic expansion deformation from original elastic shrinkage deformation, and then the opening portion of an injection nozzle of the shrinkage barrel is expanded; the injection pressure of plastic melt is reduced, large impact on the surface of a female die or a male die is avoided, and meanwhile the pressure loss phenomenon is reduced.

The invention provides a 35kV isolation switch opening and closing device. The 35kV isolation switch opening and closing device comprises a substrate, a contact unit, a transmission assembly and a driving unit. The substrate is provided with two composite post insulators which are arranged at an interval; the contact unit comprises a first connecting part and a second connecting part, the first connecting part is connected with one composite post insulator, and the second connecting part can be connected with the other composite post insulator; the transmission assembly is arranged in the vertical direction, and the top end is connected with the second connecting part. The driving unit is connected with the bottom end of the transmission assembly and used for driving the transmission assembly to move in the vertical direction, and the transmission assembly drives the second connecting part to move; wherein the driving unit drives the transmission assembly to move, and the transmission assembly drives the second connecting part to be in contact with or disconnected from the corresponding composite post insulator, so that switching-on or switching-off is realized. The invention provides a 35kV isolation knife switch opening and closing device, and aims to solve the problem of poor safety caused by manual close-range opening and closing of an isolation knife switch in the prior art.

The utility model discloses an adhesive tape holding power tester which comprises a main machine, a support, a plurality of test plates and a rolling mechanism, the bottom end of the support is connected to the top of the main machine, and the test plates are correspondingly connected to the top end of the support. The rolling mechanism is matched with the plurality of test plates to be mounted on the bracket; the rolling mechanism comprises a driving unit and a rolling unit, the rolling unit, the driving unit and the rolling unit are all installed on the support, the rolling unit is arranged on one side of the multiple test plates, and the output end of the driving unit is in driving connection with the rolling unit. One end of a to-be-tested adhesive tape is adhered to the surfaces of the sides, facing the rolling unit, of the plurality of test plates, and the driving unit drives the rolling unit to roll the adhesive tape adhered to the surface of each test plate, so that the adhesive tape can be pressed and adhered to the surface of the corresponding test plate under a preset pressure condition.

The invention discloses a multi-mode integrated redundancy driving and braking integrated electric wheel system. The system comprises a hub motor, a first-stage planetary gear train, a second-stage planetary gear train, a braking system, a wheel unit and a bearing system. According to the system, two sets of planetary gear trains are used for composite transmission, and multi-mode gear shifting operation of the planetary gear trains is matched, so that the hub motor can serve as an execution motor responsible for driving work of the wheel unit and braking work of the braking system at the same time, and the system has the functions of driving, traveling braking, reversing braking and parking braking; driving and braking integrated design and control of the electric wheel system can be achieved, the energy utilization rate of the whole vehicle is improved to the maximum extent, meanwhile, due to the fact that a braking system execution motor and a speed reducer thereof are omitted, sprung mass is greatly reduced, controllability and driving comfort of the whole vehicle are improved, and cost is reduced. The electric wheel system has great significance in light weight and high integration design, in addition, the system has a redundant function in service braking and parking braking, and the safety is improved.

A device (5) for a vehicle drive train with an axle differential (6), with a differential locking device (18) for locking and releasing the compensating function of the axle differential (6), with a parking lock (7) for locking and releasing the output (8) of the vehicle drive train (1), and with an actuating mechanism (30) drivable by a drive unit (31). The differential locking device (18) and the parking lock (7) can be actuated by the drive unit (31) via the actuating mechanism. The actuation of the parking lock (7) and the actuation of the differential locking device (18) by the drive unit (31) and the actuation mechanism (30) are coordinated with one another such that at the end of a first phase of actuation of the parking lock (7) and the actuation of the differential locking device (18), only the compensating function of the axle differential (6) can be locked and the parking lock (7) is in the disengaged state.Furthermore, the adjustment is such that at the end of a second phase of actuation of the parking lock (7) and the differential lock device (18), the compensation function of the axle differential (6) can be locked and the parking lock (7) can be engaged.