2286 results about "Contact position" patented technology

Embodiments of the invention provide a write head for perpendicular recording in which the magnetic field intensity applied at a read element is reduced with larger write-field gradients and the distance between a write element and a read element is small. In one embodiment, a pair of magnetic bodies for shielding a read element are provided on the leading and trailing sides of the read element respectively and whichever one of the two shields is the longer in the length from the air bearing surface is shorter than the length up to the back contact position PBK at which a main pole and an auxiliary pole are connected.

The invention discloses size detection equipment for casting perforation processing, and relates to the technical field of size measurement. The device comprises a base, a supporting plate and a displacement assembly. The detection part goes deep into a workpiece hole through the contact ball, and the laser emitter and the light sensor are used for detecting the contact position, thereby realizing high-precision size measurement. The displacement assembly adopts the design of a negative pressure rotating cylinder and a resistance sliding rod, adjusts the displacement of a contact ball according to the rotating speed, and flexibly adapts to different hole requirements. Through the control of the planetary gear and the electromagnet, the contact ball can rotate to realize multi-angle detection. The detection table is driven by a central electric cylinder and an edge inclination control electric cylinder to stably adjust the posture of a workpiece. The device is high in automation degree and convenient to operate, and overcomes the defects of low precision, poor efficiency and single-direction detection of traditional manual measurement.

The invention provides a process detection method and system for an electronic connector pin, and the method comprises the steps: obtaining the inclined plane image data of the pin, carrying out the preprocessing according to the surface reflection characteristics of the pin and environment illumination interference, and obtaining a clear inclined plane image; applying an edge detection algorithm to the clear inclined plane image, and extracting inclined plane contour data including contact pin inclined plane features; according to the inclined plane contour data, inclined plane angle deviation is calculated, and whether the inclined plane angle deviation exceeds a preset angle deviation threshold value or not is judged; when the inclined plane angle deviation exceeds a preset angle deviation threshold value, obtaining the insertion depth and contact position data of the pin; performing correlation analysis on the slope angle deviation, the insertion depth and the contact position data, judging the influence of the slope angle deviation on the insertion depth and the contact position, and obtaining a correlation analysis result; and according to a correlation analysis result, adjusting pin processing technological parameters and re-processing the pin. Precise control of the inclined plane angle of the contact pin is realized, and the insertion performance and the contact reliability of the contact pin are improved.

The invention provides a shaft end nut locking position identification and tightening control method, and belongs to the technical field of industrial intelligent manufacturing, and the method comprises the steps: installing a high-precision inductive displacement sensor to monitor the axial displacement of a nut in real time; constructing a tightening control system of an integrated torque measurement and displacement monitoring unit; collecting real-time displacement data and eliminating interference through a sliding window filtering algorithm; identifying a nut locking critical point based on a displacement gradient analysis method; calculating an optimal torque function according to the shaft end contact mechanical mathematical model; the locking torque is accurately adjusted by adopting a temperature compensation type torque control method; a multi-mode locking intelligent identification model is used for analyzing locking process parameters and dynamically adjusting a tightening control parameter set, and accurate identification of an initial contact position and intelligent optimization adjustment of tightening parameters in the shaft end nut locking process are achieved.

The invention discloses a robot palletizer with an adjustable grabbing angle, and relates to the technical field of automatic equipment, the robot palletizer comprises a base and a mechanical arm fixedly mounted on the base, and a clamping mechanism is arranged at the tail end of the mechanical arm; the clamping mechanism comprises a V-shaped clamping frame, sliding channels are formed in the two sides of the clamping frame, sliding plates are arranged in the sliding channels in a sliding mode, first rotating channels are formed in the sliding plates, clamping plates are rotationally arranged in the first rotating channels, and the clamping plates and the sliding plates are crossed in an X shape; the inclination angle of the clamping plate is adjusted through the first control assembly. According to the robot palletizer with the adjustable grabbing angle, by arranging the clamping frame, the clamping plates, the reinforcing plates and other structures, the robot palletizer is suitable for cylindrical cargoes of various sizes, six linear contact positions can be always kept to clamp and lock the cargoes at most, the cargoes are distributed in a major arc shape, the grabbing stability is guaranteed, the robot palletizer can be conveniently pulled out, and the use efficiency of the robot palletizer is improved.

The invention relates to the technical field of index plates, in particular to a high-efficiency inclined double-shaft index plate which comprises a first rotating assembly and a moving unit. The first rotating assembly comprises a first index plate and a first cam shaft, and a plurality of first rolling wheels capable of sliding along a preset movement track are evenly distributed on the outer wall of the first index plate in the circumferential direction; a first cambered surface cam is fixedly wound on the first cam shaft, a continuous curved surface groove is formed, and the first roller is embedded into the curved surface groove. The moving unit can drive the first roller to slide on the first index plate along the preset movement track so as to change the contact position of the first roller and the globoidal cam when the first cam shaft stops rotating, and the situation that when the working platform is located at the specific angle for a long time, the meshing area of the first roller and the first globoidal cam is excessively abraded due to long-term unbalance loading is avoided; the abrasion degree is reduced, and the service life of the first index plate and the first cam shaft is prolonged.

The invention discloses a mixed acid spray etching machine, which relates to the technical field of wafer spray etching and comprises an outer basket and an inner basket which are placed in a spray tank, and a rotating rod and an elastic roller which are rotatably mounted below the spray tank. The rotating rod is rotatably mounted at the bottom of the spraying groove, and the elastic roller is fixedly sleeved on the rotating rod, so that when a wafer is placed in the spraying groove through the outer basket and the inner basket for spraying and etching, the wafer can be driven to continuously rotate in the process that the rotating rod drives the elastic roller to rotate by virtue of contact between the outer surface of the elastic roller and the bottom of the wafer, and the wafer can be uniformly sprayed and etched. The contact position of the wafer and the clamping groove is continuously changed, spraying etching operation without dead angles is achieved, the comprehensiveness and stability of the device in the spraying machining process are improved to a certain degree, and waste caused by uneven etching of the edge position after wafer spraying etching can be effectively avoided.

The invention discloses a multi-probe environment sensing device for environment monitoring, and relates to the technical field of environment monitoring, the multi-probe environment sensing device comprises a fixed seat and a protection assembly, the middle part of the fixed seat is provided with a lifting assembly, the outer side of the middle part of the lifting assembly is provided with a shell, one side of the shell is provided with an air inlet, and the other side of the shell is provided with an air outlet; an air inlet is formed in one side of the shell, an air outlet is formed in the other side of the shell, the protection assembly is arranged outside the shell and comprises a servo motor, the servo motor is arranged on the outer side of the shell, and a driving gear is fixed to the end of an output shaft of the servo motor. The servo motor drives the gear set to drive the fan blade shaft to rotate, external air is forcibly sucked and evenly conveyed to the sensor, local concentration deviation is effectively eliminated, the monitoring accuracy is improved, meanwhile, the synchronous gear is used for linkage with the filter cover to rotate, the contact position of the filter face is continuously changed, and the filtering effect is improved. Meanwhile, the self-cleaning effect is achieved through cooperation with air outlet airflow back flushing, and the monitoring precision and stability of the sensor are improved through the design.

The present invention discloses a device for processing and welding special-shaped pipes for electric vehicles, which relates to the technical field of pipe welding for electric vehicles. The device comprises a housing, wherein the inner wall of the housing is rotatably connected to a rotating shaft, the outer surface of the rotating shaft is fixedly connected to a protective cover, and the upper surface of the housing is fixedly connected to a pressing component; a surrounding device can also make the roller roll against the outer surface of the special-shaped pipe while driving the roller to rotate in a circular motion. Therefore, the extrusion force of the special-shaped pipe on the roller will change as the contact position between the roller and the surface of the special-shaped pipe changes. The roller, after being squeezed, will drive the moving box and the welding gun to move. Therefore, the device can make the welding gun automatically adjust its position according to the position where the special-shaped pipe needs to be welded, so that the center of the rotary welding and the center of the special-shaped pipe connection always remain coincident, ensuring that the weld at the connection always remains complete and continuous during the process of rotary welding of special-shaped pipes of different diameters by the device.

The invention discloses automatic glaze hanging treatment equipment for ceramic cups, and relates to the technical field of ceramic cup production, the automatic glaze hanging treatment equipment comprises a first conveyor, the first conveyor is used for conveying cup bodies, one end of the first conveyor is provided with a cleaning box, and the automatic glaze hanging treatment equipment further comprises a glaze hanging pool, a second conveyor, a displacement mechanism and a glaze hanging mechanism. By arranging the displacement mechanism and the glaze hanging mechanism, two clamping rods on a clamping seat are used for clamping a cup body, the cup body is placed into a glaze hanging tank by the clamping seat, the cup body is placed on two supporting rods, and in the process that a lifting frame moves downwards, the two supporting rods are far away from each other for displacement, so that the two supporting rods are opened; when glaze enters the cup body, the contact position of the supporting rod and the cup body is changed, automatic glaze hanging on the ceramic cup is facilitated, meanwhile, when the glaze enters the cup body, the contact position of the supporting rod and the cup body is changed, all positions of the cup body can make contact with the glaze, and the situation that the contact position of the supporting rod and the cup body does not make contact with the glaze is avoided.

The invention discloses an automatic hanging and conveying device for sprayed parts, which belongs to the technical field of hanging and conveying and comprises a tension mechanism and a hanging mechanism, the tension mechanism is fixed on a conveying chain through a mounting seat, the hanging mechanism is movably mounted on a slide rail arranged on a conveying frame, and the tension mechanism is connected with the hanging mechanism through a separable connecting piece. The tension of the conveying chain is transmitted to the suspension mechanism; the separable connecting piece comprises a connecting push rod of an arc-shaped structure, one end of the connecting push rod is connected with the connection-disconnection control mechanism, the connecting push rod is controlled by the connection-disconnection control mechanism to stretch out and draw back along an arc-shaped track, the other end of the connecting push rod makes contact with the hanging mechanism when the connecting push rod completely stretches out, and the contact position is located on the side opposite to the moving direction of the hanging mechanism. Through the suspension mechanism and the tension mechanism which are connected through the separable connecting piece, the conveying chain only needs to provide conveying tension and does not need to bear suspension gravity, the loss of the conveying chain is reduced, the running stability of the device is improved, and the service life of the device is prolonged.

The embodiment of the invention provides a control method and control unit of cleaning equipment and the cleaning equipment, the cleaning equipment comprises a rolling brush motor, the rolling brush motor is used for controlling a rolling brush to rotate to execute a cleaning task, and the control method of the cleaning equipment comprises the steps that under the condition that a cleaning mode switching condition is met, the rolling brush motor is controlled to rotate reversely for a first duration, the first duration is determined based on the target range in the suction port area, and the suction port area is determined based on the contact position of the rolling brush, the scraping strip and the to-be-cleaned surface; and after the rolling brush motor rotates forwards for a second duration, the rolling brush motor is controlled to drive the rolling brush to rotate backwards, and the cleaning task is executed in the target cleaning mode. Through staged reverse cleaning, the bristles of the rolling brush become fluffy to improve the friction force between the rolling brush and the surface to be cleaned, so that the cleaning effect of the cleaning equipment is improved, dirt is effectively prevented from being taken out again, and repeated cleaning of the area to be cleaned is avoided.

The utility model discloses punch forming equipment for stainless steel baking tray production, which comprises a machine body and a hydraulic mechanism, a machine frame is fixedly mounted above the machine body, a punching die is mounted right above a base in an inserting manner, a first sliding sleeve is arranged on a bidirectional lead screw, a second sliding sleeve is arranged on a guide rod, and a second sliding sleeve is arranged on the guide rod. A limiting groove is formed in the contact position of the stamping die and the limiting block. Through the arrangement of the inserting blocks and the inserting grooves, the stamping die and the base form a clamping and inserting installation mode through the inserting blocks and the inserting grooves, the accurate position of the die is ensured through tight combination of the inserting blocks and the inserting grooves, and it is ensured that the stamping die can be kept stable in the stamping process through clamping of the limiting blocks and the limiting grooves at the front end and the rear end. And displacement caused by vibration or impact is prevented, the machining quality and the equipment safety are guaranteed, the stamping die is flexible and convenient to replace and adjust through the design mode, and the stamping requirements of different specifications and shapes can be met.

The invention relates to the technical field of lathes, in particular to a lathe for machining a piston rod of an oil cylinder. An arc-shaped frame, a supporting rod and a rolling ball are arranged on the following frame; the arc-shaped frame is rotatably arranged on the following frame around the axis of the piston rod, and the circle center of the arc-shaped frame coincides with the axis of the piston rod; the supporting rod is movably arranged on the arc-shaped frame in the radial direction of the arc-shaped frame, penetrates through the arc-shaped frame and is in sliding fit with the arc-shaped frame, the supporting rod is hydraulically driven, and a first ball groove is formed in the end, facing the piston rod, of the supporting rod; the first rolling ball is rotationally arranged in the first ball groove, the contact position of the first rolling ball and the piston rod is called a supporting position, a tool is arranged in the tool rest, and the contact position of the tool and the piston rod is called a turning position when the tool turns the piston rod. The side wall of the piston rod is prevented from being damaged, and the situation that when a traditional roller is used for supporting, the roller is out of round due to abrasion is avoided.

The high-precision screw rod thread machining device comprises a machine tool body, spindle boxes are symmetrically and fixedly installed on the two sides of the upper surface of the machine tool body, clamping chucks are fixedly installed on the sides, close to each other, of the spindle boxes, and a slide carriage is slidably connected to the upper surface of the middle of the machine tool body; waste generated in the thread machining process of the to-be-machined lead screw is cut off in stages through the cutting tools moving in the opposite directions, so that the situation that a large amount of waste is accumulated at the contact position of the to-be-machined lead screw and the machining tool, in the thread machining process of the lead screw, the tool needs to continuously cut the material, and if the waste is continuously accumulated around the tool, the machining efficiency is high is avoided. After waste materials are cut off stage by stage, the cutter is always in a relatively clean working environment, abnormal abrasion of the cutter caused by accumulation of the waste materials can be reduced, the service life of the cutter is prolonged, and therefore the machining precision and the surface quality of threads are guaranteed.

The present invention relates to the field of tire finite element simulation methods, and in particular to a finite element tire simulation rapid convergence method, application and program product using a virtual rim. The present invention establishes an equivalent virtual rim model to achieve relative constraints on the contact position between the virtual rim and the tire, thereby changing the contact state between the tire and the rim, which can greatly improve the convergence of tire finite element analysis under large strain, multiple working conditions and large load conditions. It has been verified that the simulation results using the virtual rim are highly consistent with those using the actual rim. The method improves the analysis efficiency and shortens the research and development cycle while ensuring the analysis accuracy. The present invention is suitable for finite element simulation of various tires such as all-steel radial tires, semi-steel radial tires, bias tires, engineering tires, etc.

A system is provided for determining a loading location of a workpiece relative to a holding fixture, comprising: a robot including a sensor; and a controller coupled to the robot and configured to activate the robot to grip the workpiece; enable a free-drive mode to permit an operator to move the gripped workpiece to a starting location; execute a center location routine including causing the robot to: move in a first direction until the sensor senses contact with a first surface of the holding fixture; move in a second direction until the sensor senses contact with a second surface; move in a third direction until the sensor senses contact with a third surface; and compute a three-dimensional center point of the holding fixture representing the loading location of the workpiece using the first, second and third sensed positions of contact.

The utility model relates to the technical field of submersible pumps, and discloses a well submersible pump self-adaptive to water depth, which comprises a mounting ring seat and a submersible pump, a locking column is mounted on the outer wall of the mounting ring seat, threads are arranged at the contact position of the locking column and the mounting ring seat, and a rotating handle for rotating is mounted at the outer end of the locking column. According to the well submersible pump capable of self-adapting to the water depth, after the submersible pump is put into a water well, the buoyancy plate floats on the water surface, so that the distance between a water inlet in the bottom end of the submersible pump and the water surface is adjusted, use is convenient, and manual hoisting control over the depth through a rope on the ground is not needed; the buoyancy plate can move up and down along with the water surface, so that a water inlet in the bottom end of the submersible pump keeps the same distance with the water surface all the time, the supporting screw is prevented from getting close to the water surface to suck impurities floating on the water surface, manual water pump position adjustment is not needed, and use is convenient.

A moving contact assembly of a direct current contactor comprises a push rod and a moving contact, the upper end of the push rod is provided with an insulating base, the insulating base is provided with a contact hoop, the lower portions of the two side walls of the contact hoop are provided with arc protrusions protruding outwards, and a hollow installation cavity is internally provided with a contact positioning piece. A spring is installed between the lower surface of the contact positioning piece and the upper surface of the insulating base, an armature block is installed above the inner wall of the contact hoop, the moving contact is installed between the contact positioning piece and the armature block, contact blocks are arranged on the left side and the right side of the upper surface of the contact positioning piece, and the upper surfaces of the contact blocks make contact with the lower surface of the armature block. The contact positioning piece and the armature block are both metal pieces. According to the utility model, the defects in the prior art are overcome, the contact hoop is arranged, and the arc bulge can be matched with the rib on the inner wall of the ceramic cover of the contact cavity, so that the limiting effect on the whole contact hoop is realized, and the problem that the contact hoop is inclined in the moving process is avoided.

The invention relates to a positioning unit (12) and a method for establishing an electrically conductive connection between a stationary charging station (10) and a vehicle (24), in particular an electric bus or the like, a contact device (15) having an electric charging contact (19) of the positioning unit being movable in relation to a charging-contact surface (21) and being contactable therewith by means of the positioning unit, the positioning unit having a positioning device (13) and a drive device (14) for driving the positioning device, the charging contact being able to be positioned between a contact position (18) for transmitting power and a retracted position for interrupting power transmission by means of the positioning device, the positioning unit comprising a cover device (25) having an apron (26), the apron surrounding at least sections, preferably the entirety of, the contact device and being movable towards the contact position.

The invention belongs to the technical field of cylindrical grinding machine equipment, particularly relates to a numerical control high-speed cylindrical grinding machine for workpiece machining, and aims at solving the problem that the whole cylindrical grinding efficiency is affected due to the fact that the contact position of a grinding assembly in the prior art is not movable. A workpiece clamping fixing frame and a workpiece clamping sliding frame are arranged at the two ends of the top of the grinding machine fixing base respectively, the workpiece clamping fixing frame and the grinding machine fixing base are fixed through bolts, and the workpiece clamping sliding frame and the grinding machine fixing base are installed in a sliding mode. Grinding moving blocks on the two sides drive driving gears to move in a sliding groove in a grinding ring frame through a driving motor, the outer circle surface of a workpiece is wrapped with a grinding belt for grinding, when the grinding belt descends, an electric push rod contracts, a tensioning wheel ascends, the stored grinding belt is released, and the workpiece is ground. The grinding belt can adjust the contact area with the outer circle grinding position of the workpiece, the grinding effect is improved, and the outer circle grinding efficiency is also improved through the rotating state of the grinding belt.

The invention relates to the technical field of ion chromatography detection, in particular to a high-pressure cam pump stable in conveying flow, which at least comprises a first pumping assembly, and the first pumping assembly comprises a pump head, a pump body, a plunger rod, a liquid inlet, a liquid outlet and a sealing assembly. A liquid inlet and outlet structure is improved, and a liquid outlet is formed in the tail end of a pump cavity, namely, the liquid outlet is formed in the contact position of the pump cavity and a sealing assembly, so that liquid is pumped out in a first-in first-out mode, namely, the sucked liquid is pumped out first, dissolved gas or air bubbles and the like in the liquid conveying process are removed in time, and the liquid conveying efficiency is improved. Meanwhile, the liquid outlet is formed in the position of the sealing assembly, bubbles accumulated for a long time at the position of the sealing assembly can be taken out in time when the liquid is pumped out, and after operation is carried out for a period of time, the conveying flow is stable and the precision is high; and compared with the situation of poor conveying flow precision, the improvement effect is remarkable.

A door lock for a vehicle includes a rotary latch for form-fittingly holding a locking element, a blocking mechanism for blocking the rotary latch from releasing, and a wedge system having a wedge lever and a connection piece, which can be brought into a self-locking contact position in order to reduce a relative movement between the locking element and the rotary latch. The blocking mechanism contacts a circumference of an output lever via a circular-arc-shaped circumferential segment so that, when the blocking mechanism moves, the output lever is rotated by rolling on the circumferential segment. The output lever is coupled with a driving lever so that the rotation of the output lever during the opening movement of the blocking mechanism causes the driving lever to release the self-locking connection between the wedge lever and the connection piece.

A fusing type disengaging device of a wind power blade turbulent flow element is characterized in that a half rope ring, close to one side of a hub, of a rope is arranged in a rope winding ring groove in the outer wall of an end cover of a sleeve in a sleeving mode, a fusing assembly in the end cover is provided with a power supply device and a plurality of conducting strips, and conduction can be avoided through the elastic force of a torsional spring in a locking state; the pawl disc can rotate relative to the ratchet wheel disc to the separation position where the pawl and the ratchet are mutually blocked, at the moment, due to the fact that the conducting strips stay to the mutual contact position after rotating, the conducting parts at the two ends of the power supply device can be mutually conducted to form a heating loop, and heat of the heating loop can be transmitted to the rope winding ring groove to burn out the positioning rope. Therefore, the positioning rope can be separated from the end cover, the turbulent flow element can be reliably and efficiently separated from the wind power blade, an operator only needs to pull the traction rope at will, and the workload in the wind power blade installation process is greatly reduced.

The invention discloses an automobile windshield wiper motor shell machining drilling machine facilitating chip removal, and relates to the technical field of drilling machines. A support is fixedly connected to the top of the bottom plate, a mounting plate is fixedly connected to the outer side face of a barrel, the side, away from the barrel, of the mounting plate is slidably connected with the inner side face of the support, a trepanning drill bit is arranged in the barrel, a driving assembly is fixedly connected to the side, away from the bottom plate, of the barrel, and the output end of the driving assembly extends into the barrel. The output end of the driving assembly is fixedly connected with the end, away from the bottom plate, of the trepanning drill bit, the chip removal assembly is fixedly connected with the side, close to the bottom plate, of the barrel, the trepanning drill bit rotates and feeds, trepanning is conducted at the contact position of the bottom plate and the chip removal assembly, the chip removal assembly magnetically attracts cuttings, the cuttings are prevented from splashing all around, and orderly discharging of the cuttings is facilitated.

The utility model discloses a self-cleaning flat plate sliding plate valve convenient to install, and relates to the field of valves, the self-cleaning flat plate sliding plate valve convenient to install comprises a base, the top of the base is fixedly provided with a cleaning bin, the top of the cleaning bin is fixedly provided with a valve body, the top of the valve body is fixedly provided with a valve cover, the interior of the valve cover is rotatably connected with a rotating rod, and the top of the rotating rod is fixedly provided with a valve disc. According to the utility model, due to the arrangement of the cleaning brush and the scraper, when liquid circulation is needed, the port area of the valve plate is overlapped with the circulation area of the liquid, in the lifting adjustment process of the valve plate, the surface of the valve plate is in contact with the surface of the scraper, and impurities attached to the surface of the valve plate are cleaned through the scraper; and in the descending process, the rotating disc and the cleaning brush are driven to rotate through the change of the contact position of the rotating head and the valve plate, and the through opening area of the valve plate is cleaned through the matching effect of the rotating disc and the cleaning brush, so that the smoothness of liquid circulation is ensured.

The utility model relates to a double-force-arm terminal and a connector. The double-force-arm terminal is inserted in a terminal hole, can be elastically abutted against a rigid terminal, and comprises a first bending part, and a first elastic force arm and a second elastic force arm which extend outwards from two end parts of the first bending part, when the first bending part elastically abuts against the rigid terminal, the first elastic force arm and the second elastic force arm elastically abut against an inner wall surface, opposite to the rigid terminal, of the terminal hole. According to the double-force-arm terminal provided by the utility model, the elastic force arms are arranged at the two sides of the contact position, so that the elastic force arms at the two sides can provide large contact force at the same time when the double-force-arm terminal is abutted against the rigid terminal of the male seat, the connection resistance is reduced, the fatigue risk is reduced, and the stability is improved.

The invention discloses an internal strain testing device for a rock hollow cylinder, and relates to the technical field of rock mass mechanical test equipment. The device comprises an internal strain testing device, the internal strain testing device is located in a sample, and the internal strain testing device comprises an LVDT shell, a conversion cone shell and a base shell; one end of each compression probe contacts with the inner wall of the sample, the other end of each compression probe radially penetrates through the conversion cone shell to contact with the lower end of the conversion cone, the contact position of each compression probe and the conversion cone is an inclined platform, and each compression probe is internally provided with a semi-compression spring. The internal strain testing device for converting the radial displacement in the rock into the vertical displacement is designed, and the measurement precision of the strain of the inner ring of the sample is high.

The present invention discloses an automatic suspension conveying device for sprayed parts, which belongs to the field of suspension conveying technology and includes a tension mechanism and a suspension mechanism. The tension mechanism is fixed to a conveying chain via a mounting seat, and the suspension mechanism is movably mounted on a slide rail provided on a conveying frame. The tension mechanism is connected to the suspension mechanism via a detachable connector and is used to transmit the tension of the conveying chain to the suspension mechanism. The detachable connector includes a connecting push rod with an arc-shaped structure, one end of which is connected to a connection and disconnection control mechanism. The connection push rod is controlled by the connection and disconnection control mechanism to extend and retract along an arc trajectory, and the other end contacts the suspension mechanism when the connecting push rod is fully extended, and the contact position is on the side opposite to the moving direction of the suspension mechanism. The present invention uses a suspension mechanism and a tension mechanism connected by a detachable connector so that the conveying chain only needs to provide the tension for conveying and does not need to bear the gravity of the suspension, thereby reducing the loss of the conveying chain, improving the stability of the device operation, and extending its service life.

The invention relates to a hydraulic unit (1) for arrangement in a rocker arm for a valve train of an internal combustion engine, characterized in that an adjusting screw (2) carrying hydraulic fluid is provided for screwing into a threaded bore (6) on the rocker arm, wherein a piston (9) which can be acted upon by hydraulic fluid from the adjusting screw and has a valve contact surface (18) for valve lift transmission is movably mounted on the adjusting screw (2) in such a way that, in a hydraulically pressureless state, it can be reset from a contact position for valve lift transmission to a contact-free basic position for valve lift deactivation, and by screwing in the adjusting screw (2), the maximum valve lift that can be transmitted at the rocker arm in the contact position of the piston (9) can be adjusted. The invention further relates to a rocker arm for a valve train of an internal combustion engine, comprising at least one such hydraulic unit (1).