80 results about "Rotational vibration" patented technology

The invention relates to a hydroelectric main shaft all-condition simulation test system and method, and the system comprises a fixed rack, one side of the fixed rack is provided with a tripping starting detection device, the fixed rack is provided with a hollow three-axis platform, a three-axis excitation system and a rotation driving part, the moving end of the three-axis platform is connected with a hollow floating rack, and a bearing is disposed in the floating rack. The rotation driving part comprises a power part and a main shaft connected to the torque output end of the power part, the main shaft is in transmission connection with the rotating disc, a hydroelectric large shaft used for a simulation test is installed on the rotating disc, and the three-shaft excitation system is used for applying X-direction, Y-direction and Z-direction high-frequency sine excitation loads to the hydroelectric large shaft of the rotating disc. The device is used for overcoming the defects that an existing testing device mainly focuses on vibration loading of a static mechanical device, simulation and performance testing cannot be carried out on dynamic behaviors under the composite working conditions of rotation, vibration and impact of a hydroelectric large shaft, and safety testing and rating cannot be carried out on a hydroelectric generating set sensor and a tripper overspeed protection device.

The invention discloses a motor control method of oral care equipment and a related device thereof. The oral care device comprises a motor, and the motor comprises a rotor. Acquiring a driving signal; controlling the rotor to perform reciprocating vibration relative to a reference axis based on the driving signal, and controlling the position of the reference axis to change so as to enlarge the coverage range of the vibration; the vibration comprises linear vibration or rotary vibration; wherein the driving signal is a preset signal. In this way, the vibration coverage range of the rotor is remarkably enlarged, and the oral cavity cleaning effect is improved.

A massage device comprising one or more generators of mechanical vibrations with a rotary-vibration or eccentric mechanism or a piezoelectric element, a central control unit, several waveguides for transmitting the vibration action to the body surface, and one or more microcontrollers controlling the vibration parameters for each of the waveguides, characterized in that the waveguides have a fractal 3D structure.

A device for damping vibrations of a rotary drill string in motion in a wellbore, a related method, drill string and drill string sub or section, where at least one component of motion of the drill string is communicated to the device, and brake means counter the vibrations, resisting the motion in dependence upon the speed of motion. The device may have an outer sleeve arranged on an inner, tubular body which is rotatably arranged within the outer sleeve. Roller wheels support the sleeve on the wellbore wall and facilitate longitudinal movement of the device and prevent rotational slipping of the outer sleeve relative to the wall upon rotating the tubular body and drill string. One brake part of the brake means on the outer sleeve and another on the tubular body operate to resist rotational vibration components.

The invention discloses a combined weighing system of a crystal growing furnace, which comprises a fixed plate, a weighing chamber is arranged on the fixed plate, a weighing component is arranged in the weighing chamber, the weighing component comprises a weighing base, the weighing base is fixed on the fixed plate, three small-range weighing sensors are distributed at the bottom of the weighing base in an annular array, and the three small-range weighing sensors are arranged on the fixed plate. The upper outer wall of the weighing base is in threaded connection with a dustproof cover. The invention also discloses a combined weighing measurement method of the crystal growing furnace. According to the invention, the contradiction between the measuring range and the measuring precision of the existing weighing device is solved, the measuring range is expanded to the sum of the measuring ranges of the three weighing sensors on the basis of high precision, and the problems of noise interference in crystal growth and eccentricity caused by rotating vibration of a rotating shaft are solved; high-precision filtering and dynamic weight fusion of the weight data are realized, and the data stability is improved.

The invention provides a reliability evaluation system and method for a two-degree-of-freedom rotational vibration energy collector, and belongs to the field of nonlinear rotational vibration energy collection, and the method comprises the steps: S1, constructing a kinetic model, and converting the kinetic model into a Hamiltonian form; s2, reducing dimensions by adopting a random average method; s3, calculating a drift coefficient and a diffusion coefficient; s4, constructing and solving a boundary value problem to verify the calculation precision; and S5, parameter sensitivity analysis and design optimization. According to the reliability evaluation system and method for the two-degree-of-freedom rotary vibration energy collector, the problems that in reliability analysis of an existing two-degree-of-freedom rotary vibration energy collector, high-dimensional coupling characteristics are difficult to capture, an analysis frame is incomplete, calculation efficiency is low, and parameter optimization lacks theoretical guidance are solved.

A motor control method for an oral care device and a related apparatus thereof. The oral care device comprises a motor (120). The motor (120) comprises a mover (301). The motor control method comprises: acquiring a driving signal, controlling, on the basis of the driving signal, the reciprocating vibration of the mover (301) relative to a reference axis, and controlling the position of the reference axis to change, so as to increase the coverage range of the vibration, wherein the vibration includes linear vibration or rotary vibration, and the driving signal is a predetermined signal. The coverage range of the vibration of the mover (301) is significantly improved. As a result, the oral cleaning effect is improved.

The application discloses a glass plate weighing system along with a line, which comprises a conveying roller, a weighing mechanism arranged above the conveying roller, a vertical moving mechanism, a suction cup connected to the bottom of the vertical moving mechanism, a pressure sensor arranged between the suction cup and the vertical moving mechanism, a vertical moving winch and a pull rope, a pull frame fixed to the bottom of the pull rope, the pressure sensor arranged on the pull frame, a horizontal plate arranged on the top of the suction cup and placed on the pressure sensor, a driving mechanism connected to the suction cup and used for extracting or injecting air in the suction cup. The glass plate weighing system along with the line has the beneficial effect that the glass plate is lifted and weighed, the weighing efficiency is ensured, the measurement accuracy is not affected by falling ash, slag and the like, and the measurement accuracy is not affected by the rotation vibration of the roller.

The invention relates to the technical field of stirring paddles, in particular to a uniform mixing bioreactor stirring paddle which comprises a column body, the rotating shaft is rotationally connected into the column body; through the innovative composite design of a double-layer differential transmission mechanism and vibration stirring, three-dimensional chaotic mixing is realized, and the mixing efficiency and quality are remarkably improved; the upper-layer first rotating mechanism drives a plurality of first stirring paddles to rotate at a set speed through a gear train formed by a first gear ring, a first gear and a second gear ring; the second rotating mechanism at the lower layer drives a second stirring paddle through another independent gear system, slides in a corrugated groove with a specific angle through a T-shaped block, and generates periodic radial vibration in combination with an elastic component; the rotation-vibration composite motion breaks the flow field symmetry of traditional one-way stirring, can effectively eliminate a mixing dead zone, enables nutrient substances, dissolved oxygen and cells to be highly uniformly distributed, and is especially suitable for a high-density and high-viscosity culture system.

This invention proposes a demolding device, comprising a first cavity, a first vibrating element, and a first colliding element. The first colliding element is located within the first cavity, and the first vibrating element drives the first colliding element to bounce within the first cavity and collide with the material inside the first cavity. The demolding device of this invention, through the bouncing of the first colliding element within the first cavity, causes the first colliding element to collide with the material inside the first cavity, thereby separating the zipper head from the frame. This effectively avoids the mutual collision and wear of the zipper heads caused by rotational vibration demolding methods. Furthermore, this demolding device can be adapted to various conveying components, and is simple in structure and efficient.

The rotary vibration material heat treatment device comprises a sleeve, a vibration module, a rotation module and a sample table, the vibration module and the rotation module are arranged in the sleeve, and the output ends of the vibration module and the rotation module extend out of the sleeve to be connected with the sample table; the rotating module comprises a rotating driving assembly, a first rotating assembly, a second rotating assembly and a third rotating assembly, the output end of the rotating driving assembly is connected with the first rotating assembly, the first rotating assembly is connected with the third rotating assembly through the second rotating assembly, and the sample table is arranged on the third rotating assembly; the second rotating assembly comprises a supporting ring, a male ring buckle, a female disc buckle, a second support and an eccentric correction structure. The device has the advantages that the device can be mounted in a compact high-intensity magnetic field environment; after eccentricity occurs during rotation, real-time compensation of dynamic eccentricity can be realized under the action of the eccentricity correction structure, and eccentricity during rotation is prevented, so that rotation stability is ensured.

The invention discloses a brushless direct current vibration motor, and relates to the technical field of motor equipment. Comprising a motor body, continuous rotation is converted into instantaneous pulse impact through meshing of an inner ratchet ring, a tooth block and a pawl, high-quality and high-strength click type tactile feedback is generated and far exceeds the rotating vibration texture of a traditional ERM motor, a centrifugal clutch is formed by a first spring and a first telescopic rod, and the motor body is driven by the first telescopic rod to rotate. By means of the structure, strong impact can be generated only at the high rotating speed, decoupling of the vibration strength and the rotating speed is achieved, false triggering impact at the low speed is effectively buffered, the mechanism is protected, and a mechanical buffering layer is built between the movable block and the rotor body through the limiting assembly. The impact force and noise generated when the movable block is thrown out and withdrawn and collides with the body are greatly reduced, the problems of material fatigue and damage caused by inertial collision are effectively solved, the durability of the impact mechanism is remarkably improved, and the service life of the impact mechanism is remarkably prolonged.

The invention discloses a rotary vibration test measuring device and a rotary vibration test measuring method, and belongs to the technical field of oil and gas development direction measuring instruments, the rotary vibration test measuring device comprises a rotary vibration measuring electrical output device, a rotary vibration measuring platform, a rotary transmission mechanism and a rotary supporting mechanism; the rotary vibration measurement electrical output equipment is used for outputting axial rotary power and transmission signals when the actual underground working condition is simulated in the rotary vibration test measurement process; the rotary vibration measurement platform is used for supporting the rotary vibration measurement electrical output equipment, the rotary transmission mechanism and the rotary supporting mechanism; the rotation transmission mechanism is used for transmitting energy and power output by the rotation vibration measurement electrical output equipment to the whole system; the rotation supporting mechanism is used for balancing the rotation vibration measurement electrical output device and the rotation transmission mechanism on the same horizontal plane. The device is used for carrying out actual underground working condition simulation on the data acquisition unit before the device descends into a well.

The utility model relates to the technical field of conveying equipment, and discloses needle valve conveying equipment which comprises rotary vibration equipment, a hydraulic rod is fixedly installed on the inner bottom wall of the rotary vibration equipment, conveying equipment is fixedly installed in the middle of the inner wall of the hydraulic rod, and the output end of the hydraulic rod is fixedly connected with a servo motor. A connecting rod is fixedly connected to the output end of the servo motor, fixing shells are fixedly connected to the left side and the right side of the connecting rod, and a plurality of reset springs are fixedly connected to the sides, away from each other, of the inner walls of the two fixing shells at equal intervals. The sides, away from each other, of the multiple reset springs are fixedly connected with mounting shells. According to the cleaning device, the fixing shell is driven by the connecting rod to rotate, so that the cleaning brushes can clean the inner wall of the rotary vibration equipment, and the cleaning brushes can be tightly attached to the inner wall of the rotary vibration equipment through the elastic force of the reset springs, so that the cleaning effect is improved, and the conveying efficiency is further improved.

The invention discloses a device for monitoring vibration and temperature of equipment, which comprises a self-adaptive sleeve shaft mounted on a rotating shaft of driving equipment and a vibration sensor mounted on the outer side of the self-adaptive sleeve shaft, and the self-adaptive sleeve shaft can keep a static state independent of the rotating shaft of the driving equipment. The vibration sensor is used for monitoring vibration amplitude of a rotating shaft of driving equipment; a temperature sensor is mounted on the self-adaptive sleeve shaft and is used for monitoring the temperature of a rotating shaft of the driving equipment; the vibration sensor and the temperature sensor are connected with a central processing system, and the central processing system is used for receiving an output signal of the vibration sensor and an output signal of the temperature sensor and giving an alarm when the vibration amplitude and the temperature of a rotating shaft of the driving equipment exceed set threshold values; when the rotary vibration of the driving equipment is measured, friction cannot be generated on the sensing surface of the vibration sensor, and the service life of the vibration sensor is prolonged.

This invention relates to the field of pipe pile disassembly and assembly technology, and in particular to an end plate nut disassembly and assembly mechanism and an end plate disassembly and assembly machine. The end plate nut disassembly and assembly mechanism includes: a mounting frame, on which a base plate is rotatably connected, and the base plate is provided with several frames; a rotating device for driving the base plate to rotate; a disassembly and assembly device, which includes a position adjustment component, a sleeve, and a drive component; an adaptive clamping device, which includes a snap-fit ​​block and an adaptive compensation component; and a fixing device, which includes an adsorption component, a vibration triggering component, and an anti-loosening component. This invention achieves automatic centering during the nut insertion stage through the cooperation of the snap-fit ​​block and the compensation component, and forms a dynamic clamping enhancement mechanism with the vibration triggering anti-loosening component, effectively avoiding stripping and detachment; at the same time, the adsorption component and the snap-fit ​​block provide initial clamping force, and the anti-loosening component automatically strengthens the clamping when rotational vibration is detected.

The invention relates to the technical field of drilling well deviation simulation, in particular to a rotary vibration simulation device, which is used for solving the problem that the influence of a drilling environment on a measuring device is not easy to verify, and comprises a base, an angle table is mounted on the base, a motor is fixedly connected to the angle table, and a PCB (Printed Circuit Board) to be tested is mounted at the output end of the motor; a first inserting rod and a second inserting rod are inserted into the two ends of the base respectively, a first inserting hole matched with the first inserting rod is formed in one end of the angle table, and a plurality of angle adjusting holes matched with the second inserting rod are formed in the other end of the angle table and the other end of the base. A first conical ring is arranged at one end of the second insertion rod, and a second conical ring is slidably connected to the other end; the device can simulate the drilling state, facilitates the understanding of the measurement error of the measurement device in the state, and provides a reference for drilling parameters.

This device provides a vibration power generation device that generates high electromotive force by causing the air gap of the magnetic circuit to change more significantly and rapidly than in conventional devices. [Solution] The vibration power generation device 10 comprises a magnetic circuit 11 in which a magnetic flux capturing part 15 or magnetic flux leakage part 13 provided at one end of a first magnetic material member 12 and a magnetic flux leakage part 13 or magnetic flux capturing part 15 installed at one end of a second magnetic material member 14 face each other with an air gap 21 in between, and the other ends of the first magnetic material member 12 and the second magnetic material member 14 are connected via a support shaft 16, thereby enabling relative rotation around the support shaft 16; a vibration transmission device 18 having a vibration receiving part 24 at one end and the other end fixed to the first magnetic material member 12; a coil 20 wound between the magnetic flux leakage part 13 or magnetic flux capturing part 15 of the second magnetic material member 14 and the support shaft 16; and an elastic body 22 configured to exert a restoring force in the direction that narrows the air gap 21 when an attempt is made to widen it.

Rotational and Vibrational Sieve Shaker

The invention relates to the technical field of flaw detection, and discloses a high-altitude pipe gallery flaw detection method and system based on unmanned equipment and a storage medium, and the method comprises the following steps: in response to a radiographic inspection instruction, controlling a ray emission assembly to emit rays, and controlling a ray imaging assembly to generate a ray image; the radiographic inspection structure is controlled to rotate around the high-altitude pipe gallery by one circle on the holding structure; acquiring a plurality of rotational vibration data, calculating to obtain an acquired vibration value, if the acquired vibration value is greater than the acquired reference vibration value, calculating an acquired vibration comparison value, and adjusting the first rotational speed according to positive correlation of the acquired vibration comparison value; the enclasping structure is controlled to move to the translation length in the high-altitude pipe gallery; collecting a plurality of translational vibration data, calculating to obtain a translational vibration value, if the translational vibration value is greater than a translational reference vibration value, calculating a translational vibration contrast value, and adjusting the first movement speed according to negative correlation of the translational vibration contrast value; and the flaw detection accuracy of the high-altitude pipe gallery is improved.

The utility model discloses a feeding and conveying device based on bearing lubricating grease adding, which comprises a vertically arranged material barrel, a material disc coaxially and rotatably connected in the material barrel, a conical disc coaxially connected on the material disc, a discharge hole formed in the material barrel, a channel groove formed in the inner side of the discharge hole, and a feeding hole formed in the inner side of the channel groove, a channel groove is formed in the material tray, the channel groove is tangent to the material barrel, a discharging plate is obliquely and downwards arranged on the outer side of the discharging port, a baffle is arranged on one side of the discharging plate, a vibration assembly is arranged on the material barrel, and the vibration assembly is used for enabling the material tray to generate rotary vibration; the bearing feeding device has the advantages that the material barrel, the material disc, the conical disc and the channel groove are designed, one-time large-amount feeding of bearings is achieved, the working efficiency is high, the vibration assembly is designed to enable the material disc to rotate and vibrate, continuous and orderly conveying of the bearings is achieved, the large-scale production requirement is met, and the bearing feeding device is worthy of large-scale application and popularization.

The invention relates to the technical field of detection equipment, in particular to a machine tool machining part testing mechanism which comprises an objective table and a rack, a clamping structure used for fixing parts is arranged on the objective table, a first guide rail is arranged at the bottom of the objective table, a second guide rail is arranged at the bottom of the first guide rail, and the first guide rail and the second guide rail are perpendicular to each other. The objective table can transversely slide on the first guide rail, the first guide rail can longitudinally slide on the second guide rail, and the objective table is arranged between the first guide rail and the first guide rail; according to the testing mode, the testing work can be completed when the part continuously rotates, the rotating state of the part does not need to be frequently started and stopped, the detection work is more direct and convenient, the detection mode is simplified, the detection efficiency is improved, and meanwhile the dynamic balance testing is completed through the object self-centering effect. Therefore, the object can automatically find the position of the minimum point of rotation vibration of the object, and the self-balancing effect is achieved.

The invention relates to the technical field of deburring machining of parts, in particular to a rotary vibration grinding device and method.The device comprises a rotary assembly, a support assembly, a vibration assembly and a clamp assembly, and the fixed end of the rotary assembly is fixedly connected with the support assembly; the output end of the rotating assembly is connected with the clamp assembly to drive the clamp assembly to rotate, the vibration assembly is provided with a vibration chamber capable of containing grinding auxiliary materials, the clamp assembly is used for clamping a to-be-machined part to be located in the vibration chamber, and the to-be-machined part of the to-be-machined part can make contact with the grinding auxiliary materials. And the grinding auxiliary materials can generate collision rolling and micro grinding with burrs of the to-be-machined part, so that the purposes of improving the surface quality and removing the burrs are achieved. Due to the fact that the to-be-machined part can be driven by the rotating assembly to rotate, relative movement between the grinding auxiliary material and the to-be-machined part is promoted, and therefore the efficiency and quality of deburring and part grinding and polishing are improved.

The invention discloses a vibration table device for concrete processing, relates to the technical field of concrete prefabricated part forming equipment, and aims at solving the technical problem that an existing vibration table device for concrete processing is single in function. A plurality of vibration supporting assemblies are evenly distributed on the periphery of the bottom of the vibration bearing machine table. According to the invention, three different conventional vibration modes, namely a vertical-like vibration mode, a horizontal-like vibration mode and combination of vertical-like vibration and horizontal-like vibration, are realized on the basis of manual adjustment of the first-stage vibration swing assembly, the three-way shaft seat and the planetary second-stage transmission assembly; the vibration assemblies which rotate and vibrate in two directions are intersected through the combination of similar vertical vibration and similar horizontal vibration, so that intermittent impact vibration is added in the combination of a similar vertical vibration mode and a similar horizontal vibration mode, and the vibration table device for concrete processing is integrated with multiple functions through the mode; and the use functionality of the vibration table device for concrete processing is effectively improved.

The invention discloses an intelligent vibrating mechanical device for layered and segmented pouring of concrete and a control method. The intelligent vibrating mechanical device comprises a formwork set, a vibrating mechanism and a winding mechanism. The formwork set is composed of a plurality of pouring formworks, transparent fixing grooves are formed in the pouring formworks, monitoring boxes matched with the fixing grooves are fixed in the fixing grooves, and a plurality of sensors are arranged in the monitoring boxes. According to the invention, an intelligent vibrating system integrating real-time state sensing, autonomous moving and directional vibrating capabilities is integrated; the system is composed of three parts: 1, an intelligent sensing template group: a monitoring box provided with an ultrasonic and vibration sensor array is embedded in a key position of a template to form a sensing network; 2, the intelligent vibrating mechanism is an execution terminal which can move in concrete by rotating spiral blades and is provided with a vibrator capable of rotating by 360 degrees; the central control system is used for receiving data of the sensor, making a decision and controlling the movement and the vibrating behavior of the vibrating mechanism.

This application relates to the field of air conditioner technology, specifically, it provides a bushing and an air conditioner having the same. The bushing includes a mounting base, a bearing body, and an elastic element. The mounting base has a mounting hole; the bearing body is located within the mounting hole and has a shaft hole; the elastic element is disposed within the mounting hole and includes a first part connected to the bearing body and a second part connected to the mounting part. At least two elastic elements are provided to support the bearing body. This invention provides a method where the shaft hole engages with one end of a cross-flow fan blade to support the fan blade. The elastic element allows for better connection with the fan blade after assembly, reducing the transmission of rotational vibration during fan blade rotation. The elastic element connects the bearing body and the mounting base, improving the installation efficiency and accuracy of the bearing body. The use of at least two elastic elements enhances the reliability of the connection between the bearing body and the mounting base.

The utility model discloses a sofa batten nailing machine which comprises a machine box, the top of the machine box is fixedly connected with a rotary vibration disc, the top of the machine box is fixedly connected with a support, the top of the support is fixedly connected with a straight vibrator, the top of the straight vibrator is fixedly connected with a straight vibration track, and the top of the straight vibration track is fixedly connected with a base. One end of the straight vibration rail is located in the rotary vibration disc, and the outer wall of the straight vibration rail is fixedly connected with an L-shaped frame. Through the arrangement of the L-shaped frame, the first photoelectric switch, the feeding guide rail, the feeding air cylinder, the rack, the T-shaped sliding rail, the top plate, the nail pressing air cylinder, the air cylinder stroke adjusting nut, the nail pressing die, the transverse feeding die and the second photoelectric switch, intermittent feeding is formed, the feeding air cylinder and the nail pressing air cylinder can be conveniently used in cooperation, a plurality of nails are sequentially fixed to a batten, and the batten nailing efficiency is improved. And the nail pressing air cylinder can adjust the downward pressing stroke according to the thickness of the batten, and the whole batten nailing efficiency is improved.

The application discloses an experimental device and method for researching high-speed instability interval of rotor oil liquid, and the experimental device comprises a frame, a rotating shaft, an oil tank, a first bearing, a second bearing, a storage plate, a plurality of partition plates and a processor; a circular hole is formed in the middle of the top plate and the storage plate, the first bearing and the second bearing are respectively installed in the circular hole of the top plate of the storage plate and the frame through a first bearing seat and a second bearing seat; the rotating shaft vertically penetrates the first bearing and the second bearing from top to bottom, is connected with the oil tank between the storage plate and the bottom plate, and rotates horizontally under the action of a motor; the plurality of partition plates are detachably and evenly distributed and installed in the oil tank, one end of the partition plate is connected with a stand column located in the center of the oil tank, the other end is connected with the inner side of the oil tank, and the oil tank is evenly separated into a plurality of sub-regions. The application can effectively simulate the vibration phenomenon of the oil liquid under the condition of the baffle, the baffle is convenient to assemble and disassemble, and is suitable for the research on the oil liquid rotary vibration of the rotor dynamics.

The application discloses a rotating vibration material heat treatment device for a strong magnetic field, which comprises a sleeve, a vibration module, a rotating module and a sample table. The vibration module and the rotating module are arranged in the sleeve, and the output ends of the vibration module and the rotating module extend out of the sleeve and are connected with the sample table. The rotating module comprises a rotating driving assembly, a first rotating assembly, a second rotating assembly and a third rotating assembly. The output end of the rotating driving assembly is connected with the first rotating assembly. The first rotating assembly is connected with the third rotating assembly through the second rotating assembly. The sample table is arranged on the third rotating assembly. The second rotating assembly comprises a supporting ring, a male ring buckle, a female disc buckle, a second support and an eccentricity correction structure. The device can be installed in a compact strong magnetic field environment. After the rotation is eccentric, the dynamic eccentricity can be compensated in real time under the action of the eccentricity correction structure, the eccentricity during the rotation is prevented, and the stability of the rotation is ensured.

The invention belongs to the technical field of noise reduction of underwater vehicles, and provides a vibration isolation device for a stern propulsion motor of an underwater vehicle, the vibration isolation device comprises a connecting ring assembly, the connecting ring assembly is fixedly connected with the underwater vehicle through two groups of axial vibration reduction assemblies, and the axial vibration reduction assemblies are used for reducing vibration of the propulsion motor in the advancing direction of the underwater vehicle; the radial vibration isolation assembly comprises a first fixing ring seat fixedly connected in the connecting ring assembly, a vibration reduction mechanism is arranged in the first fixing ring seat, and the vibration reduction mechanism is used for reducing vibration of the propulsion motor deviating in the radial direction; and the deflection vibration isolation assembly comprises a third fixing ring seat fixedly connected to the vibration reduction mechanism, the third fixing ring seat is connected with the vibration reduction mechanism through a deflection vibration isolation mechanism, and the deflection vibration isolation mechanism is used for reducing rotation vibration of the propulsion motor in the axis direction. Axial vibration, radial vibration and vibration in the advancing direction generated when the propulsion motor works can be effectively weakened and isolated.