41results about How to "Guaranteed normal settings" patented technology

The invention discloses a washing system of a dishwasher and a dishwasher system having the same. The washing system of the dishwasher comprises: a water inlet unit; The washing liquid supplied by the water inlet unit generates micro-nano bubbles in the washing liquid; a first control valve, the first control valve is arranged between the water inlet unit and the micro-nano bubble generating system On the pipeline, wherein the micro-nano bubble generation system is in fluid communication with the inner container of the dishwasher, so as to supply the washing liquid containing micro-nano bubbles generated by the micro-nano bubble generation system to the dishwasher Inside. The washing system of the dishwasher according to the embodiment of the present invention has the advantages of good washing effect, low washing cost, clean and environment-friendly, and the like.

The invention discloses an engineering pipeline abut-joint auxiliary frame, and mainly relates to the technical field of connection of engineering pipelines. The auxiliary frame comprises an auxiliaryframe body, the auxiliary frame body comprises a first frame body and a second frame body which are aligned, the first frame body and the second frame body each comprise a bottom frame plate, two pipe body supports and a rotating position adjusting mechanism, the two pipe body supports are arranged on the two sides of the bottom frame plate, the rotating position adjusting mechanism comprises a servo motor and a friction roller in transmission connection with the servo motor, the engineering pipelines are placed on the two pipe supports, and then the friction roller is in contact with the walls of the engineering pipelines; and after the two engineering pipelines are arranged on the first frame body and the second frame body, the two engineering pipelines are coaxially arranged. The auxiliary frame has the beneficial effects that the abut-joint auxiliary frame is used, engineering pipeline center axis alignment, engineering pipeline position adjusting and flange hole position adjusting and aligning can be automatically and efficiently finished, use is quite convenient, and the construction efficiency is greatly improved.

The invention relates to a method for manufacturing a wound type thin-film capacitor. The method for manufacturing the wound type thin-film capacitor comprises the winding process, the pre-stamping process and the stamping process. In the winding process, raw materials of the capacitor are wound into a round capacitor core, wherein the middle of the round capacitor core is provided with a roll center portion; in the pre-stamping process, two parallel end faces are extruded from the circumferential surface of the round capacitor core formed in the winding process, and the round capacitor core is pre-pressed to form a flat capacitor core which is not prone to rolling; in the stamping process, pressure is exerted on the two parallel end faces of the flat capacitor core formed in the pre-stamping process, and the distance between the two parallel end faces is reduced. The method for manufacturing the wound type thin-film capacitor has the advantage that pre-stamping is conducted before the stamping process, so that the problem that because the center states of original capacitor components are arbitrary during stamping in the prior art, cracks will be formed in the centers of stamped wound type capacitors is solved.

The invention relates to the technical field of backlight adjustment, and provides a backlight brightness adjustment method and device, terminal equipment and a storage medium. The method comprises the following steps: when light intensity information of terminal equipment is obtained, determining position information and distance information corresponding to the terminal equipment; determining target light intensity information of the terminal equipment according to the light intensity information, the position information and the distance information; and adjusting the backlight brightness of the terminal equipment according to the target light intensity information. By adopting the method, the terminal equipment can be accurately adapted to the current environment even if the terminal equipment is in a backlight condition or is shielded.

The invention discloses a deceleration belt which is convenient for quick installation. The deceleration belt comprises a mounting seat plate arranged in a foundation groove on the ground, an arched speed reduction belt arranged on the mounting seat plate, and the installation seat plate is arranged along the direction of the foundation groove. A T-shaped chute is provided, and a fixed plate is provided at the bottom of the arched deceleration belt, and a T-shaped slide rail that slides with the T-shaped chute is provided on the bottom of the fixed plate, and the arched deceleration belt is composed of multiple The arched speed bump structure block is composed of a connecting rod at one end of the arched speed bump structure block, and a connecting slot that can be tightly fitted with the connecting rod at the other end. The two ends of the arched speed bump The end is provided with an arched fixed structure block, and the bottom of the arched fixed structure block is provided with a fastening plate, and the fastened plate is fastened to both ends of the mounting seat plate by bolts. The present invention can quickly install the deceleration belt on the road On the ground, it is easy to disassemble, and at the same time, the speed bump can be installed according to the width of the road, which is suitable for practical use.

The invention discloses a plow blade geared head milling machine fixture. The plow blade geared head milling machine fixture comprises a base, a Z-direction supporting assembly, an axial positioning assembly and an anti-rotating assembly. The Z-direction supporting assembly is fixed to the top of the base and is suitable for supporting the to-be-milled surface of a workpiece; the axial positioningassembly is fixed to the top of the base and is suitable for jacking a shaft hole of the workpiece and axially positioning the workpiece; and the anti-rotating assembly is fixed to the top of the base and is suitable for clamping a boss bevel of the workpiece. The contact surface of the anti-rotating assembly and the boss bevel is parallel to the axial direction of the workpiece. Aiming at the unique shape structure of the workpiece, a clamp structure is simplified under the condition that plane milling processing requirements are met, so that the clamping speed is greatly increased, and themachining efficiency is improved.

The invention discloses a low-noise food processor. The low-noise food processor comprises a motor, a stirring cup and a crushing cutter mounted at the bottom of the stirring cup, the crushing cuttercomprises a knife wing and a knife shaft, a mounting hole for mounting a shaft sleeve is formed in the bottom of the stirring cup, the cutter shaft penetrates through the shaft sleeve and is in transmission fit with a motor shaft of the motor, the shaft sleeve comprises a rigid inner wall for surrounding the cutter shaft to limit the cutter shaft, a rigid outer wall matched with the mounting hole,and an elastic layer for separating the rigid inner wall from the rigid outer wall, the elastic layer comprises an elastic ring used for wrapping the top of the rigid inner wall from the upper side,vibration generated by the cutter shaft and the rigid inner wall can be transmitted into the stirring cup through the elastic ring, and the good isolation effect can be achieved on the path where noise is transmitted into the stirring cup.

The invention discloses a drive device of an escalator or a moving sidewalk. The drive device comprises a motor, a reduction gearbox and a drive main shaft which are in sequential transmission. The drive main shaft is of a two-segment structure, one segment is a long shaft with a stair chain wheel, the other segment is a short shaft which penetrates the reduction gearbox and is in direct linkage transmission with the reduction gearbox, and the end portions which deviate from each other of the long shaft and the short shaft are arranged on a truss through bearing pedestal sets correspondingly. According to the drive device of the escalator or the moving sidewalk, the structure of the drive main shaft, the installation and connection manner and the like are optimized to meet the requirements of an escalator and moving sidewalk system adopting a direct connection drive device, especially an escalator and moving sidewalk system with large loads and large lifting heights, mounting and demounting are more convenient, and running is more stable.

The invention provides a gas constant-pressure desorption test device and method. The test device comprises a vacuum pump, an inflation device, a desorption device, a desorption measurement device, aconstant temperature control device and a constant pressure regulating valve. The constant pressure regulating valve comprises a test valve inlet, a test valve outlet, a valve inlet, a valve outlet, avalve ball, a spring, a pressure cover with a hole, a thread, a seal ring, a spiral pressure regulating handle and a valve housing. The constant pressure regulating valve is used to maintain the pressure of the gas desorption environment in a sample can; and the newly-desorbed gas enters a measuring cylinder through the valve body, and the pressure in the sample can remains unchanged. Compressionamount of the spring is adjusted by the spiral pressure regulating handle to change valve body penetration threshold and reset gas desorption environment pressure. The device and method can measure desorption rate and desorption amount in the gas constant-pressure environment, reveal the influence laws of environment pressure on desorption, fill the blanks of the gas constant pressure desorptiontest, perfect and highlight the two-phase flow theory research and provide theoretical guidance for making catastrophe wind control and after-catastrophe rescue measures of accidents.

The invention relates to an industrial robot (1) having a control apparatus (8), and to a method for controlling the movement of the industrial robot (1). For the purposes of the method, an instruction which is intended for controlling the industrial robot (1) is checked, an interpreted instruction is produced by interpretation of the checked instruction by means of an interpreter (13), and the interpreted instruction is stored in a temporary store (10). This process is repeated until a first keyword is detected. A data record (15) is then produced from the interpreted instructions stored in the temporary store (10), wherein the data record (15) has information relating to at least one path element of a path on which the industrial robot (1) is intended to be moved. The data record (15) is loaded into a buffer store (11), is checked by the buffer store (11) and is interpolated by means of an interpolator (14), in order to move the industrial robot (1) on the path element.

The invention discloses a frequency converter keyboard, a frequency converter and a frequency converter identification method. The frequency converter identification method used for the frequency converter keyboard comprises that keyboard handshake data including keyboard type data is sent to the frequency converter; whether frequency converter handshake data including frequency converter model data is received from the frequency converter in preset time is determined; if the frequency converter handshake data is received, a model of the frequency converter is identified according to the frequency converter handshake data, and a corresponding function parameter configuration table is called to match the frequency converter; and if the frequency converter handshake data is not received, itis determined that the frequency converter keyboard does not support the frequency converter, and a corresponding prompt signal is emitted. Thus, the frequency converter is identified automatically, user parameters are set in corresponding to function codes, confusion of a debugging parameter is avoided, and parameters of the frequency converter are set normally when the parameters of the target frequency converter are debugged. When the model of the frequency converter cannot be identified, prompt is provided, a user can replace the frequency converter keyboard, and the time cost of debuggingcan be reduced.

The invention relates to a construction method of a stand column pile. The construction method comprises the following steps: forming a pile hole according to to-be-constructed stand column pile construction; providing a reinforcement cage and a steel pipe and concentrically arranging and fixedly connecting the steel pipe and the reinforcement cage into a whole; integrally hoisting the reinforcement cage and the steel pipe above the pile hole, aligning the centers of the reinforcement cage and the steel pipe to the center of the pile hole and inserting the reinforcement cage and the steel pipeinto the pile hole; and pouring concrete into the pile hole to form the stand column pile. The concentric arrangement of the reinforcement cage and the steel pipe is ensured and deflecting and sinking of the reinforcement cage can be prevented. The problems in the prior art that the reinforcement cage is hoisted into the stand column pile hole, then the bottom end of the steel pipe is inserted into the reinforcement cage, then the reinforcement cage and the steel pipe are welded and fixed to the orifice, it is difficult to ensure that the reinforcement cage and the steel pipe are stable in position and it is difficult to ensure that the fixed steel pipe and the reinforcement cage are concentrically arranged can be solved.

The invention discloses a die with an ejection needle on a sliding block. The die comprises a front die core, a back die core, a back die plate, a sliding block assembly, an oblique pin and an ejection needle assembly; the front end of the sliding block assembly is provided with a feeding port; the ejection needle assembly is inserted into the back die plate, the back die core and the sliding block assembly sequentially from bottom to top and makes contact with the feeding port arranged on the sliding block assembly in a matching mode, the ejection needle assembly can vertically slide relativeto the back die core, the back die plate and the sliding block assembly, and first sliding grooves used for allowing the ejection needle assembly to move front and back are formed in the back die core and the back die plate; and the oblique pin is inserted into the back end of the interior of the sliding block assembly, the back die plate walks to drive the oblique pin to swing, then the slidingblock assembly is driven to move front and back, and the ejection needle assembly is driven to move front and back in the first sliding grooves. According to the die with the ejection needle on the sliding block, the structure is simple, full-automatic production of submersing type feeding is achieved, it is effectively guaranteed that a glue inlet of a product is formed in the sunken portion ofthe product, product appearance perfection is guaranteed, and the strict requirements of people on the product appearance are met.

The invention discloses assembly equipment for a brake caliper piston and a dust cover and a using method thereof. The assembly equipment comprises a positioning device, a lifting device and a position adjusting device, the positioning device is used for positioning and installing a brake caliper body, and the brake caliper body is provided with a cylinder hole; the position adjusting device is connected with the lifting device and comprises a position adjusting driving part, a positioning barrel and a push rod; the positioning barrel and the cylinder hole of the brake caliper body assembled on the positioning device are coaxially arranged; a brake caliper piston to be assembled is sleeved on the positioning barrel through a piston hole, and the brake caliper piston to be assembled is sleeved with a dust cover to be assembled; a plurality of positioning parts capable of sliding in the radial direction are arranged on the barrel wall of the positioning barrel; the position adjusting driving part is in transmission connection with the push rod and used for driving the push rod to move in the positioning barrel; and the push rod can drive the positioning parts to move outwards in the radial direction so as to clamp the brake caliper piston to be assembled and enable the brake caliper piston to be assembled and the positioning barrel to be coaxially arranged. According to the assembling equipment and the using method provided by the invention, the using performance of an assembled product can be well guaranteed.

The invention relates to a lens module, which comprises a lens barrel and a lens group accommodated in the lens barrel, wherein the lens barrel is provided with an object side end, an image side end and a light through hole penetrating through the object side end and the image side end along an optical axis; the lens group comprises a first lens, wherein the first lens is close to the object sideand is provided with a first main body part used for imaging and a first fixing part arranged around the first main body part, and the first fixing part is provided with a first surface connected withthe hole wall of the light through hole; the part, exposed out of the light through hole, of the first surface and the hole wall of the light through hole form a first connecting groove, the first connecting groove is filled with colloid, and the colloid adheres to the first lens and the hole wall of the light through hole. According to the lens module, the fixing mode of the first lens is changed, so that the front end of the lens cone can be canceled, the axial distance from the first lens to the screen is reduced, the opening size of the screen of the electronic equipment can be reduced, and a better full-screen effect is achieved. The invention also relates to an image capturing device and an electronic device.

The invention discloses an outer bore gun fixing device for artillery direct-aiming shooting training, which comprises a gun barrel, a front fixing frame, a rear fixing frame and an outer bore gun, the front fixing frame and the rear fixing frame are provided with the same guide seat, a gun stock limiting seat and a gun barrel support are slidably arranged in the guide seat, the gun stock limiting seat and the gun barrel support are provided with the same outer bore gun, and the gun barrel is provided with the gun stock limiting seat and the gun barrel support. Limiting assemblies are arranged at the side ends, away from each other, of the gun stock limiting base and the gun barrel support in the guide base correspondingly, and the two limiting assemblies limit the positions of the gun stock limiting base and the gun barrel support correspondingly. The same guide base is installed on the front fixing frame and the rear fixing frame, the gunstock limiting base and the gun barrel support are slidably installed in the guide base, the positions of the gunstock limiting base and the gun barrel support can be limited through the paired limiting assemblies correspondingly, it is guaranteed that the gunstock limiting base and the gun barrel support in the guide base are transversely and coaxially arranged, manual alignment is avoided, and the working efficiency is improved. In addition, the distance between the gun stock limiting seat and the gun barrel support can be flexibly adjusted so as to meet the requirement for fixed use of outer bore guns of various lengths and models.

The invention discloses a grinding device of a blade damper platform. The blade damper platform is arranged on a blade. The grinding device comprises a base plate, a clamp and a feeding device, wherein the clamp is connected to the base plate and used for clamping the blade and enables the contact face of the blade damper platform to be parallel to a first direction, the feeding device is installed on the base plate and clamps a grinding tool, the feeding device can move in a second direction and the first direction so as to drive the grinding tool to grind the contact face of the blade damper platform, and the first direction and the second direction form an angle. According to the grinding device of the blade damper platform, the blade is located and fixed in the manner that the blade is clamped, the grinding tool is driven by the feeding device to conduct feeding, and then grinding of the contact face of the blade damper platform can be achieved; and in this way, locating can be well achieved, the machining dimension is accurately controlled, and the machining precision is guaranteed.

The invention belongs to the technical field of medical instruments, and particularly relates to a stent which comprises a metal mesh tube and a polymer mesh tube, the metal mesh tube comprises a plurality of annular metal wave rings, the polymer mesh tube comprises a plurality of polymer mesh fragments, at least one polymer mesh fragment is embedded between every two adjacent metal wave rings, and the metal wave rings are connected with the edges of the adjacent polymer mesh fragments. According to the stent disclosed by the invention, the polymer mesh tube is divided into the plurality of polymer mesh fragments, and the plurality of polymer mesh fragments are respectively embedded between two different adjacent metal wave rings, so that the metal wave rings and the edges of the adjacent polymer mesh fragments are tightly attached and connected, the metal mesh tube and the polymer mesh tube are ensured to be arranged in the same layer, the situations that blood needs to pass through a two-layer structure of the metal mesh tube and the polymer mesh tube respectively, and the metal mesh tube and the polymer mesh tube are in a separated state for a long time and are continuously influenced by stripping force are avoided, and the connection reliability of the polymer mesh tube and the metal mesh tube is improved.

The invention discloses a medical narcotic application device for surgery. The medical narcotic application device for the surgery includes an application device body, the application device body is composed of a first support frame, a second support frame, a first application cylinder and a second application cylinder. The second support frame is movably connected with the first support frame, the first application cylinder is connected with the first support frame through a first connection rod, and the second application cylinder is connected with the second support frame through a second connection rod. According to the medical narcotic application device for the surgery, the flexibility in use of the narcotic application device is effectively improved on the basis that the narcotic application quality is ensured. Moreover, through the detachable type design of the first application cylinder and the second application cylinder, the first application cylinder and the second application cylinder can be conveniently used separately or simultaneously according to the actual use needs, and the use accuracy of the medical narcotic application device for the surgery is effectively ensured.

The invention relates to the technical field of water heaters, and discloses a straight-through type vacuum glass solar heat collecting tube which comprises an outer tube limiting mechanism. The outer tube limiting mechanism comprises a fixing frame; when a handle swings, a disc is driven to rotate, so that an inner-layer tube is automatically clamped and limited by linkage of an inner brake plate, the stability of the inner-layer tube during heat sealing is guaranteed, and the situation that the inner-layer tube is difficult to fix is avoided; a fixed magnet drives an outer brake plate to approach to an outer-layer tube after being electrified, so that the outer-layer tube is automatically limited while the inner-layer tube is limited, the inner-layer tube and the outer-layer tube are ensured to be concentrically arranged, and machining is more convenient; and through cooperative use of a moving block, a touch plate and a sliding block, when the handle moves, the moving block is driven to synchronously move and finally clamped with a groove, so that a heating gun automatically heats to seal the tube, a special-shaped disc is triggered to rotate, clamping is finally lost, and the heating gun is ensured to conduct heating isochronously to conduct heat sealing.

The invention discloses a food processing machine with low noise, which comprises a motor, a stirring cup and a crushing knife installed at the bottom of the stirring cup. The installation hole of the sleeve, the knife shaft passes through the shaft sleeve and cooperates with the motor shaft of the motor, the shaft sleeve includes a rigid inner wall for surrounding the knife shaft to limit the position of the knife shaft, and a The rigid outer wall and the elastic layer separating the rigid inner wall and the rigid outer wall, the elastic layer includes an elastic ring for wrapping the top of the rigid inner wall from the upper side, and the vibration generated by the knife shaft and the rigid inner wall needs to pass through the elastic ring Only then can it be transmitted to the inside of the mixing cup, and it can play a good role in isolating the path of the above-mentioned noise being transmitted into the mixing cup.

The invention discloses a drill jig for a plow colter speed-changing gear box. The drill jig comprises a base, a drill plate, an end face positioning assembly, a lateral positioning block, an axis endpositioning assembly and a press piece, wherein the drill plate is fixed to the upper side of the base through upright columns, and a workpiece is located between the drill plate and the base; the end face positioning assembly is connected to the bottom of the drill plate and used for limiting a to-be-defined end face to be parallel to the end face of the drill plate; the lateral positioning block is connected to the bottom of the drill plate and used for limiting the degree of freedom of the displacement, in the X direction, of the workpiece; the axis end positioning assembly is fixed to thetop of the base and used for positioning the center axis of the workpiece; the press piece is located on the top of the base and used for pressing the workpiece between the press piece and the drillplate. According to the unique appearance structure of the workpiece, the structure of the jig is simplified under the condition that the end face drilling processing requirements are met, therefore,the loading and clamping speed is greatly increased, and the processing efficiency is improved.

The invention relates to an industrial robot (1) with a control device (8) and a method of controlling the movement of the industrial robot (1). In this method, instructions provided for controlling an industrial robot (1) are queried; an interpreter (13) is used to generate interpreted instructions by interpreting the queried instructions and store the interpreted instructions in a buffer (10). Repeat the above steps until you find your first keyword. A data record (15) is then generated from the interpreted instructions stored in the intermediate memory (10), the data record (15) containing information about at least part of the path along which the industrial robot (1) is to move. The data set (15) is loaded into the buffer memory (11), retrieved from the buffer memory (11) and interpolated with the aid of an interpolator (14) in order to move the industrial robot (1) along this part of the path.

The invention discloses a plow blade geared head milling machine fixture. The plow blade geared head milling machine fixture comprises a base, a Z-direction supporting assembly, an axial positioning assembly and an anti-rotating assembly. The Z-direction supporting assembly is fixed to the top of the base and is suitable for supporting the to-be-milled surface of a workpiece; the axial positioningassembly is fixed to the top of the base and is suitable for jacking a shaft hole of the workpiece and axially positioning the workpiece; and the anti-rotating assembly is fixed to the top of the base and is suitable for clamping a boss bevel of the workpiece. The contact surface of the anti-rotating assembly and the boss bevel is parallel to the axial direction of the workpiece. Aiming at the unique shape structure of the workpiece, a clamp structure is simplified under the condition that plane milling processing requirements are met, so that the clamping speed is greatly increased, and themachining efficiency is improved.

The invention relates to a method of repairing a roll comprising a roll base (10) made of plastic or plastic composite material, a bearing bracket assembly (16) inserted in the roll In the two end regions (14) of the sub-base (10); the bearing support assembly (16) is connected to the roller base (10) by bonding. The inner surface (24) of the damaged bearing bracket assembly (16) can be milled and the corresponding sleeve (32, 44) Inserted into the bearing bracket assembly (16), the inner surface (36) of the sleeve is used to hold the outer race (26) of the roller bearing (28) supporting the roll. The invention further relates to a printing roller inserted into the sleeve (32, 44).

The invention relates to a powder explosion-proof ultrasonic material level detection system which comprises a large cyclone recovery device; the large cyclone recovery device comprises a powder collecting cylinder; an inlet is formed in the top of the powder collecting cylinder; a powder conveying pipe is communicated with the bottom of the powder collecting cylinder; a plurality of ultrasonic detection assemblies are arranged on the powder collecting cylinder; a plurality of crushing assemblies are arranged at the bottom end of the powder collecting cylinder; an alarm assembly is arranged outside the powder collecting cylinder; a PLC control system is connected with the ultrasonic detection assemblies, the crushing assemblies and the alarm assembly; a delay controller is arranged betweenthe PLC control system and the alarm assembly. According to the system of the invention, the principle that the propagation speeds of ultrasonic waves in different media are inconsistent is utilized;the dust content in the dust collecting cylinder is accurately detected; the ultrasonic detection assemblies sends corresponding information to the PLC control system; the PLC controls the crushing assemblies, a humidity sensor and the alarm assembly to conduct corresponding operation; it is guaranteed that too much dust cannot be accumulated at the bottom of the powder collecting cylinder, the precision of the whole detection system is high, and the long-term stability of the large cyclone recovery device is improved.

The small product multi-face machining device comprises a positioning plate, a parent body and a fixing body, the parent body is detachably connected with the positioning plate through a positioning assembly, a plurality of positioning protrusions matched with a product are arranged on the parent body, and the angle between the positioning protrusions and the parent body is adjustable. The fixing body is detachably connected with the positioning protrusion through a fixing piece, and a space used for fixing a product is formed between the fixing body and the positioning protrusion. The machining method has the following beneficial effects that (1) different positioning protrusions are arranged according to different machining faces; (2) the positioning bulges are switched quickly and conveniently; (3) batch processing of small products is realized; (4) the setting state of the machining avoiding groove is rapidly switched; and (5) the structure is simple, the tool processing cost is low, and the operation is simple.

The invention relates to the related technical field of vehicle engineering, in particular to a lightweight energy-saving hub unit with an ABS sensor, which comprises a hub body, the hub body comprises a hub body and an outer shaft sleeve, an annular groove is formed between the hub body and the outer shaft sleeve, and an inner shaft sleeve and an outer shaft sleeve are sleeved in the outer shaft sleeve. The outer shaft sleeve protrudes inwards to form a plurality of ball parts distributed at intervals, and a plurality of grooves corresponding to the ball parts in a one-to-one mode are formed in the peripheries of the inner shaft sleeve and the outer shaft sleeve. Through the arrangement of the hub body and the outer shaft sleeve, the purpose that the driving shaft is arranged inside is guaranteed, meanwhile, the purpose that the inner shaft sleeve and the outer shaft sleeve stably bear loads is achieved through cooperation between a reversing sharp block and a groove, and the purpose that a driving arc block on the inner shaft sleeve is used for pushing a driven rod to slide is further used; and therefore, the purpose of rotating the eccentric wheel is achieved, triggering of the oil conveying mechanism is guaranteed, and the purpose of conveying oil to the outer shaft sleeve in the rotating process of the driving shaft is guaranteed through the oil conveying mechanism.