3164 results about "Rotation control" patented technology

A manually pullable out and automatically retractable flexible barrier apparatus for engagement between first and second surfaces having a base that includes a foot, a head, and a spool portion between the foot and the head that spools in and spools out the flexible barrier. A coil spring is wound about a nonrotatable support tube in the spool, is fixed to the top of the nonrotatable support tube, and is further fixed to a lower cap in the spool that rotates with the spool. An upper cap in the spool, rotating with the spool, is lockable and unlockable to a rotating control knob in the head.

A canteen is composed of a main body, a cover, a control unit, a valve and an annular blocker. The cover is engaged with the main body, having a jointing tube protruding into the main body and two notches cut in the jointing tube. The control unit is fixed on the cover, having a jointing portion, two grooves formed in the jointing portion and reversely shaped to correspond to the notches of the cover, and a sucker bored with an outlet. The valve is installed in the control unit, having a bar to correspond to the outlet, and a guiding rod transversely extended out from its bottom to extend through the grooves and the notches of the cover. When rotating the control unit, the valve is moved up and down to be separated from or to clog the outlet, convenient for using and preventing the suction portion from contaminated.

A telescopic folding chair includes an upper mounting seat, a lower mounting seat and a cushion. The upper mounting seat is hinged with a plurality of support legs, and the lower mounting seat is hinged with a plurality of telescopic arm tube sets. The cushion is mounted on the telescopic arm tube sets. The lower mounting seat is provided with a plurality of inclined guide holes through which the support legs run. The upper mounting seat is rotatably provided with a rotary limiting mechanism, and the lower mounting seat is provided with an avoidance hole. A bottom of the rotary limiting mechanism is provided with a limiting head, and a bottom wall of the lower mounting seat is provided with a limiting portion corresponding to a periphery of the avoidance hole. The rotary limiting mechanism rotates to control the limiting head to be movably limited by the limiting portion.

A circuit includes a high-side driver having a high-side slew control input, a high-side drive input and a high-side drive output. A low-side driver has a low-side slew control input, a low-side drive input and a low-side drive output. Drive control circuitry has a high-side drive control output, a low-side drive control output, and a slew control output. The high-side drive control output is coupled to the high-side drive input, the low-side drive control output is coupled to the low-side drive input. The slew control output is coupled to at least one of the high-side slew control input and the low-side slew control input, and the drive control circuitry is configured to provide a slew control signal at the slew control output. The high-side and / or low-side driver is configured to modulate a slew rate of a drive signal at a respective drive output thereof based on the slew control signal.

A folding mechanism for an armrest handle of a treadmill is provided, including: the armrest handle having left and right bottom ends that are configured to be connected to the treadmill; a rotational assembly, including: a connecting rod, a limiting member being provided on a left section of the connecting rod, and a diameter of the limiting member being greater than a diameter of the connecting rod; a rotation control plate, an arc-shaped sliding groove being disposed on the rotation control plate, one end of the sliding groove being provided with a limiting hole that is in communication with the sliding groove, a width of the sliding groove being greater than a width of the connecting rod and less than a width of the limiting member, and a diameter of the limiting hole being greater than the diameter of the limiting member.

The invention relates to the technical field of gear cleaning, in particular to an internal positioning type immersion decontamination gear cleaning machine which comprises an outer shell used for containing cleaning liquid and a blow-off pipe installed on the front side face of the outer shell in a penetrating mode and used for discharging the cleaning liquid. A cleaning brush is mounted on the outer side of the cleaning column; a swing rod is installed on the upper portion of the outer shell, and an installation support of a U-shaped structure is installed on the outer side of the swing rod. A bearing assembly for placing a plurality of gears to be cleaned is mounted on the left side surface of the mounting bracket; an inner positioning mechanism used for synchronously clamping a plurality of gears to be cleaned in an inner positioning manner is mounted on the outer side of the bearing assembly; a rotation control mechanism is installed on the inner wall of the rear side face of the outer shell. According to the internal positioning type gear cleaning machine capable of achieving immersion decontamination, internal positioning type clamping and fixing can be conducted on a plurality of gears to be cleaned at the same time, so that the cleaning machine can clean the gears to be cleaned at a time in the later period, and the cleaning efficiency is improved.

A ladder assembly for mounting to a boat trailer comprising a stationary ladder section with a plurality of steps and a stair extension portion comprising one or more steps. The stair extension portion is rotatably coupled to the stationary ladder section and a mechanism for actuation of automatic rotation of the stair extension portion for deploying and / or stowing the stair extension with respect to the stationary ladder section is provided at an upper end of the ladder assembly so that the ladder extension can be stowed when a user is at or near the top of the ladder. A boat trailer mounting assembly couples the ladder assembly to the boat trailer and a stair extension rotation control mechanism controls at least one of a speed and actuation of deploying or stowing of the stair extension portion.

In a segmented ball valve for low noise and anti-cavitation applications, a replaceable cartridge is fixed inside and retained by stem and end post. The segment has a machined cylindrical bore with a slide-fit noise cartridge, enabling field replaceability with minor effort & without need of welding or fasteners. The replaceable cartridge also enables use of a fully cylindrical cartridge with greater pressure reduction stages compared to welded-on noise plates on the segment. The segment has a flattened front face resulting in lower Fd enabled by dual flow path in lower openings values thereby attaining higher noise attenuation where the cartridge is not required. The curved plates of the low noise and anti-cavitation cartridge enable: expanding flow resulting in non-impinging jet streams thereby achieving higher noise attenuation in one direction; and converging flow in the opposite direction resulting in reduction of flow energy, and the potential for cavitation for liquids.

The invention discloses a pipe fitting cutting device for liquid crystal display screen machining, and relates to the technical field of pipe fitting cutting, the pipe fitting cutting device comprises a rack, and further comprises a pipe fitting clamping and rotating mechanism, a rotating ring rotating control mechanism, a pipe fitting front-back driving mechanism and a pipe fitting opposite-direction cutting mechanism, and the pipe fitting clamping and rotating mechanism comprises two front-back corresponding supporting rings; the bottom of the supporting ring on the front side is installed on the upper side of the rear end of the rack, the two supporting rings are connected through a supporting ring distance adjusting telescopic rod piece, each supporting ring is provided with a ring center clamping execution assembly, and the ring center clamping execution assemblies are connected with ring center clamping transmission assemblies. The rotating ring rotation control mechanism is connected with the ring center clamping transmission assembly; when the pipe fitting cutting device for liquid crystal display screen machining works, the cutting depth is only the thickness of the pipe wall of the pipe fitting to be cut, abrasion of the circular cutter can be effectively reduced, the cutter is prevented from being clamped or even damaged, and meanwhile the cutting face of the pipe fitting is smooth.

The invention relates to the technical field of cable production, in particular to a stranding machine with a ship frame type cradle structure, which comprises a case, a rotation control mechanism and a take-up stand, and is characterized in that the rotation control mechanism is rotatably arranged in the case, the rotation control mechanism comprises two symmetrically arranged stranding bows, the stranding bows of the rotation control mechanism are used for allowing wires to pass through and stranding the wires, and the take-up stand is used for taking up the wires; the take-up frame is rotationally connected into the rotary control mechanism, a spool is rotationally arranged on the take-up frame, the take-up frame is provided with a wire arranging mechanism, the wire arranging mechanism comprises a first guide wheel, a second guide wheel, a third guide wheel, a fourth guide wheel and a wire arranging device which are arranged on the left side of the take-up frame, and the fourth guide wheel is arranged on the wire arranging device. The four guide wheels of the take-up stand are distributed along the diameter of the long axis of the stranding bow, and the take-up stand and the spool are distributed along the diameter of the long axis of the stranding bow, so that the diameter of the short axis of the stranding bow can be effectively shortened, the rotation radius of the stranding machine is shortened, overlarge centrifugal force is avoided, and finally vibration of a machine body and noise are reduced.

The invention relates to the technical field of fabric air permeability detection, in particular to textile fabric air permeability detection equipment and a detection method.The textile fabric air permeability detection equipment comprises a detection table and a supporting frame installed above the middle of the rear side of the detection table, two detection pipes are symmetrically installed in a transverse plate in a penetrating mode, and two detection grooves are symmetrically formed in the upper surface of the detection table; an air supply mechanism is mounted in the detection table below the detection groove, bearing frames are mounted on the left side and the right side of the detection table, clamping frames are mounted on one sides of the bearing frames through mounting rods, a synchronous clamping control assembly used for controlling the clamping frames to clamp the fabric is connected to the front side face of the detection table, and a control rod is mounted at the right end of the mounting rod on the right side; the right end of the control rod is connected with the self-rotation control assembly. According to the textile fabric air permeability detection equipment and method, the air permeability of the front face and the back face of the textile fabric can be detected at the same time, the detection efficiency is improved, and different use requirements are met.

The invention relates to the technical field of powder screening, in particular to a stainless steel circular powder screening machine which comprises a vibrating screen body and a screen mesh. A bottom discharging opening of the feeding pipe corresponds to the outer edge of the screen, the bottom of the feeding pipe is connected with a partition plate, and the bottom face of the partition plate is connected with a vortex-shaped material pushing plate; the middle part of the feeding pipe is connected in series with a rotating pipe; the inner wall of the rotating pipe is fixedly connected with a spiral crushing blade; a rotation control assembly used for driving the feeding pipe, the partition plate and the material pushing plate to rotate synchronously and driving the rotating pipe to rotate relative to the feeding pipe is arranged on the vibrating screen body, and the rotating direction of the feeding pipe is consistent with the vortex direction of the material pushing plate; a discharging hole is formed in the middle of the screen and communicated with a coarse powder pipe, and a fine powder collecting plate is arranged in the vibrating screen body. According to the powder screening device, the powder accumulation condition can be improved, the retention time of powder on the screen can be prolonged, the screening quality can be improved, caked materials can be crushed, and waste can be reduced.

The invention provides a long-span bridge rotation in-place control method based on a neural network and a computer system, and the method comprises the steps: carrying out the spatial-temporal feature decoupling through collecting a rotation motion data sequence generated in a long-span bridge rotation construction process, and obtaining a rotation posture evolution feature and an environment interference coupling feature; then calling a pre-trained swivel dynamics prediction network to carry out joint dynamics modeling on the two to generate a state prediction sequence of a swivel process, then carrying out deviation comparison on the state prediction sequence and a preset swivel target trajectory sequence, and generating a swivel deviation risk assessment matrix containing a position deviation value and an attitude deviation value; and finally, based on the rotation deviation risk assessment matrix, driving the rotation control parameter optimization network to carry out compensation calculation, generating a rotation in-place control instruction set containing a traction force adjustment coefficient and a rotation speed correction value, and transmitting the rotation in-place control instruction set to a rotation driving system. According to the invention, the accuracy and reliability of rotation in-place control of the large-span bridge can be improved.

The invention relates to the technical field of aluminum alloy door and window automatic welding, in particular to an aluminum alloy door and window automatic welding device and a method thereof.The device comprises a workbench and an aluminum alloy rod piece arranged at the top end of the workbench, and a control panel is arranged on one side of the workbench; a positioning and clamping mechanism used for positioning and clamping an aluminum alloy rod piece is arranged at the top end of the workbench, the inner wall of the bottom end of the lifting table is connected with a connecting rod fixedly connected with the middle of the welding fixing table through a bearing, and a steering mechanism used for rotation control is arranged in the lifting table. An auxiliary clamping mechanism for assisting welding is arranged at the top end of the lifting table, and a welding mechanism used for adjusting and welding is arranged at one end of the workbench. The device does not need to be operated by multiple persons, welding and chamfering work can be completed by only one person, the product quality and the production efficiency can be improved, the product yield is guaranteed, meanwhile, sharp corners can be prevented from scratching a user, and the use safety of the user is improved.

The present invention discloses a flatness detection method for a tower flange of a wind turbine generator set, comprising two steps: a flange plane 3D point cloud acquisition stage and a flatness calculation stage; wherein: the flange plane 3D point cloud acquisition stage comprises the following steps: rotation control comprises the following steps: the 3D vision detection module is accurately positioned; the 3D vision detection module performs laser line scanning on the annular surface to be detected by the flange; the 3D vision detection module performs 3D point cloud acquisition on the flange surface to be detected; the flatness calculation stage comprises the following steps: flatness calculation is performed according to the 3D points output by the 3D vision detection module; and the result is output; compared with the prior art, the flatness detection method for the tower flange of a wind turbine generator set of the present invention integrates motion control and 3D vision detection technology, provides an automated detection method, innovates the current single instrument manual detection method, and improves the efficiency and speed of tower flange flatness detection.

The invention relates to the technical field of fruit and vegetable fermentation polyphenol extraction, and discloses a fruit and vegetable fermentation polyphenol extraction device and method.The fruit and vegetable fermentation polyphenol extraction device comprises a reaction tank, the reaction tank is used for fruit and vegetable fermentation polyphenol extraction, and a fermentation extraction control mechanism is rotationally arranged in the middle of the reaction tank; the device comprises a reaction tank, the top end of the reaction tank is fixedly provided with a positioning shaft, one side of the reaction tank is fixedly provided with a fermentation extraction lifting control mechanism, the bottom end of the fermentation extraction lifting control mechanism is fixedly provided with a rotation control mechanism, and the output end of a first motor fixed to the top end of the reaction tank drives the positioning shaft to rotate rapidly in the forward direction; a rotary aeration effect is achieved at the bottom end of the fruit and vegetable liquid in cooperation with rotation of the communicating frame, so that fruit and vegetable fermentation liquid and air are fully mixed, it is ensured that microorganisms in the fruit and vegetable liquid can obtain enough oxygen to conduct normal metabolic activity, and an extracting solution enters the inner wall of the reaction tank through an extracting solution feeding pipe by adopting the same method; the extracting solution and the fruit and vegetable liquid are fully mixed by alternately pumping the extracting solution and the gas.

The disclosure relates to a segmented ball valve for low noise and anti-cavitation applications, wherein a replaceable cartridge may be fixed inside and retained by stem and end post. The cartridge may incorporate irregular or regular polygonal-shaped plates or a combination of polygonal shaped plates and round bars facilitating staged pressure reduction and effectively mitigating or eliminating the occurrence of high-intensity cavitation and noise. The segment may have a precisely machined cylindrical bore designed to accommodate a slide-fit anti-cavitation and noise reduction cartridge; this allows for convenient field replaceability of the cartridge with minimal effort, eliminating the need for welding or fasteners to affix it to the segment. This cartridge may also facilitate the utilization of this fully cylindrical bore inside the segment for incorporating a greater number of pressure reduction stages compared to the currently available designs.

To make a holding device appropriately hold an object to be cut.SOLUTION: A holding device 66 holds an object 5 to be cut. A posture of the holding device 66 in a state in which a first arm 101 and a second arm 102 of the holding device 66 extend in a first direction D2 is represented by a reference posture P1, and a position of the object 5 to be cut with respect to the holding device 66 when the other end 8b of the object 5 to be cut is brought into contact with the first arm 101 and the second arm 102 when the holding device 66 is in the reference posture P1 is represented by a reference position P10. A control device 150 of a cutting machine 100 includes: a first mounting rotation control part 161 for rotating the holding device 66 from the reference posture P1 so that the holding device 66 becomes an inclined posture P2, in a state in which the object 5 to be cut is not held by the holding device 66; and a second mounting rotation control part 165 for rotating the holding device 66 so that the holding device 66 becomes the reference posture P1 when the holding device 66 is in the inclined posture P2 and the object 5 to be cut is the reference position P10.SELECTED DRAWING: Figure 14

A support system includes a platform floating at a surface of a body of water, a set of mooring elements, and a set of motion dampers. Each mooring element is rigidly coupled to the platform and to a bottom of the body of water. Each motion damper is coupled to the platform. Each motion damper includes a spool, a line, and a rotation controller. The line is coupled to and partially wound on the spool and has an end rigidly coupled to the bottom of the body of water wherein a tension force in the line is affected by rotation of the spool. The rotation controller is coupled to the spool and is operable to control the rotation of the spool based on the tension force in the line.

A base frame assembly and a chair are disclosed. The base frame assembly includes a frame body, a lifting connecting structure, a translation connecting structure, a backrest connecting structure and a control handle. The lifting connecting structure is used for driving the frame body to lift up or down. The translation connecting structure is used for driving the frame body to move back and forth and / or move left and right. The backrest connecting structure is used for driving a backrest to rotate relative to the frame body. The control handle is movable and / or rotatable in at least three different directions, to respectively drive the lifting connecting structure, the translation connecting structure and the backrest connecting structure through different motion trajectories.

The invention discloses a rotary cultivator capable of adjusting the tillage depth of a blade, and relates to the technical field of rotary cultivators. Comprising a rotary tillage device, a rolling piece and a fork arm, one end of the fork arm is installed at the rolling piece, the other end of the fork arm is connected with a rotary cultivator traction device through a connecting piece, the rotary tillage device is installed between the rolling piece and the fork arm, the fork arm rotates with one end of the rolling piece as a fulcrum, and the fork arm rotates to control the height of the rotary tillage device so as to adjust the tillage depth of the rotary tillage device. The rolling piece and the traction equipment are connected through the fork arm, the rotary cultivator body is installed between the traction equipment and the rolling piece, the fork arm bears direct loads, one end of the fork arm is installed on the rolling piece, a pressing roller in the rolling piece makes direct contact with the ground, and the other end of the fork arm is connected with the traction equipment through the V-shaped arm and the towing hook. The height of the rotary cultivator body can be adjusted only by adjusting the angle of the fork arm, and the fork arm is hung on the traction equipment, so that the rotary cultivator is prevented from being completely lifted by a traction equipment bracket.

The invention relates to the technical field of waste gas purification and separation, in particular to a dichloromethane waste gas purification and recovery system which is mainly characterized in that a first auxiliary mechanism and a second auxiliary mechanism are arranged in a pretreatment device main body and are matched for use, so that good pretreatment work is carried out on purification treatment work of waste gas; the positive effect on improving the working efficiency of the purification treatment system is achieved; a rotating control motor in the first auxiliary mechanism drives a storage connecting cylinder to rotate, the storage connecting cylinder drives a fan-shaped plate body arranged on the side wall of the storage connecting cylinder and an impurity removal cotton swab in the second auxiliary mechanism to rotate, and impurity particles in waste gas are adsorbed and filtered in the process; the influence of solid pollutants such as impurity particles on subsequent treatment work is avoided as much as possible; the solid pollutants such as impurity particles can be separated from the waste gas, meanwhile, the stable operation of the subsequent purification treatment work can be ensured, and the device has a positive effect on improving the purification and recovery work benefits.

A technical field of motor control, and a motor rotation control method and device. The method includes conducting inverse Park transformation and inverse Clark transformation to control output results of a position loop, a speed loop and a current loop to obtain SVPWM signals of a present cycle; decoupling an interrupt control cycle from a PWM signal reference channel; acquiring present position sampling information of a motor, and predicting the position sampling information to obtain position result information of a motor rotor in predicted cycles. In the motor rotation control method, an interrupt function trigger signal is added to realize decoupling from the PWM signal reference channel, so that SVPWM signal update frequency of motor control will not be affected when CPU load is reduced by adding an interrupt function scheduling cycle.

The utility model discloses a wire harness positioning structure, and relates to the technical field of clamping tools. The device comprises a bottom plate, a sliding control assembly is installed on the left side of the top face of the bottom plate, an end clamping assembly used for fixing the end of a wire harness is arranged at the top of the sliding control assembly, a mounting frame is fixedly connected to the right side of the top face of the bottom plate, and a guide assembly is arranged on the surface of the mounting frame. A supporting frame is fixedly connected to the top face of the bottom plate, a first fixing ring is rotationally connected to the inner wall of the supporting frame, an adhesive tape roll positioning assembly is arranged on the inner wall of the first fixing ring, and a rotation control assembly used for controlling the first fixing ring to rotate is arranged on the top face of the bottom plate. The effect of automatically winding the adhesive tape on the wire harness conveniently is achieved in the using process, the wire harness can be effectively positioned in the winding process, compared with the prior art, operation is more convenient, and the wrapping efficiency is effectively improved.

The utility model relates to the technical field of cold contraction type cable accessories, in particular to a cold contraction type cable accessory which comprises a protective shell, a first limiting baffle and a second limiting baffle are arranged at the two ends in the protective shell, an ejector rod is connected between the first limiting baffle and the second limiting baffle in a sliding mode, and one end of the ejector rod is fixedly connected with a clamping block. A plurality of control teeth are arranged on one side of the second limiting baffle, a second limiting sliding groove is formed in the position, close to the control teeth, in the protection shell, a stopping block is slidably connected into the second limiting sliding groove, and clamping teeth are arranged at the bottom of the stopping block. One-way locking is achieved through interaction of the control teeth and the clamping teeth, when the control handle is rotated, the clamping blocks extrude inwards in the protection shell through the second limiting baffle, the control grooves and the limiting bolts, the cold shrink pipe is fixed, and the attaching tightness between the cold shrink pipe and a cable is prevented from being reduced.

The invention relates to the technical field of breeding feed feeding, in particular to an intelligent feeding system and an intelligent control method. The intelligent feeding system comprises an aquaculture net cage module, a pneumatic feeding module, a bait conveying module and an intelligent control module. The culture net cage module comprises a culture net cage, and the shape of the culture net cage is a cube or a cuboid; the air-assisted feeding module comprises an air-assisted feeding machine; the air-assisted batch feeder is arranged above the culture net cage; the bait conveying module comprises a bait conveying pipe and a rotary controller; the bait conveying pipe and the rotary controller are arranged above the culture net cage; and the intelligent control module is used for measuring the wind direction and the water flow direction, and intelligently controlling the rotary controller through the measured wind direction and the measured water flow direction. According to the invention, the feeding efficiency and accuracy are improved, and the bait cost is saved.

The invention discloses a spring torsion device, a spring torsion system and an operating device. The spring torsion device comprises a sleeve, an axial torsion adjusting piece, a compression spring, a driven piece and a driving piece, the two ends of the compression spring abut against the axial adjusting piece and the driven piece respectively. The driving piece and the driven piece are in transmission fit through a spiral motion pair so as to drive the driven piece to move upwards to compress the compression spring and reset under the action of the compression spring after external force is removed. And the adjusting part on the main shaft is exposed through the opening at the upper end of the hollow part of the sleeve so as to realize rotary adjustment of the main shaft. In actual use, rotation control over the main shaft can be achieved by applying torque to the adjusting part, and then compression amount adjustment of the compression spring is achieved by controlling displacement of the axial torsion adjusting piece so as to meet adjustment of torsion output. In addition, the torsion system is provided with two spring torsion devices which are combined to achieve adjustment of independent torque in different angle areas, the human engineering requirement is met, and the use requirement of a user is met.

A rotary actuator includes a housing having a first end and a second end spaced from the first end along an axis. The housing defines a cavity extending circumferentially about the axis. An output shaft is arranged coaxially with the axis. The output shaft extends outwardly from the cavity through the first end. A drive system is disposed in the cavity and axially spaced from the first end. A gearbox is disposed in the cavity between the output shaft and the drive system. The gearbox is coupled to the drive system and the output shaft. A rotational controller is disposed in the cavity between the drive system and the second end. The rotational controller is configured to actuate the drive system to adjust an angular position of the output shaft.

The invention discloses an efficient calcining furnace feeding and distributing structure for synthesizing zeolite from steel blast furnace water slag, and relates to the field of calcining furnace feeding. According to the technical scheme, the device comprises a feeding mechanism used for feeding and distributing, the feeding mechanism comprises a distributing box, a feeding wheel and a motor, the distributing box is rotationally connected with a supporting table and used for controlling the feeding angle through rotation to achieve distributing, the feeding wheel is rotationally connected into the distributing box, and the motor is connected with the feeding wheel; the feeding wheel is used for increasing the feeding strength through centrifugal force, the motor is fixed to the bottom of the supporting table, and the output portion of the motor is fixedly connected with the feeding wheel. And the motor is linked with the material distribution box through the synchronizing mechanism. The feeding wheel is rotationally connected into the material distribution box, the force of materials entering the calcining furnace is increased through centrifugal force, in other words, the rotating speed of the feeding wheel is controlled, the feeding position can be controlled, and the materials can be evenly dispersed into the calcining furnace.

The invention discloses a rotating cabinet track guiding rotating structure which comprises a movable plate, a fixed plate and a rotating assembly, the rotating assembly comprises a linear track, a damper and a rotating seat, the rotating seat comprises a rotating seat body, a fixed bearing, a shaft head, a supporting block, a rolling pulley and a clamping jaw, and the invention further discloses a rotating cabinet which comprises an outer fixed cabinet body and an inner movable cabinet body. The invention further discloses the rotating cabinet track guiding rotating structure. According to the track guide rotating structure of the rotating cabinet, through stable rotating control, strong load capacity and efficient space utilization, excellent stability and durability are provided, the operation complexity is reduced due to the characteristics of simplicity and easiness in operation, and the safety is ensured through precise damping and shock absorption functions; in addition, the rotary cabinet formed by assembling the outer fixed cabinet body, the inner movable cabinet body and the rotary cabinet track guiding rotary structure does not need to be additionally provided with a cabinet door, and the combined door opening and closing state of the inner movable cabinet body and the outer fixed cabinet body can be completed only through rotation.