75results about How to "Less prone to interference" patented technology

The invention discloses a wire arrangement device for a cabinet. The wire arrangement device comprises a routing plate, wherein the routing plate comprises multiple fixing parts and at least one bending part; each fixing part and each bending part are alternately arrayed along a first direction; the fixing parts comprise multiple fixing strips which extend along the first direction and are distributed in a spacing manner along a direction orthogonal to the first direction; a gap is formed between two adjacent fixing strips; each bending part comprises a flat panel; and the flat panel is integrally connected with the multiple fixing strips. The wire arrangement device for the cabinet is simple in structure, low in manufacturing cost and convenient for wire arrangement; on one hand, a routing space in the cabinet can be fully used, so that binding straps can be conveniently set for tendency arrangement of cables; and on the other hand, cables terminated to the same equipment can be uniformly, orderly and reasonably distributed, so that operation and maintenance staff can find out corresponding cables of corresponding equipment more visibly, and the removal efficiency of a faulted cable or the loading and unloading efficiency of equipment is improved.

The invention discloses a four degrees of freedom wire driven man-machine interaction device capable of feeding back grasping force, comprising a static platform, four rigid wires, four wire driven mechanism, a forefinger stall, a thumb stall and an elastic wire. The four rigid wires are pairwise divided into two groups. The two groups of rigid wires are respectively bound on a point on the thumb stall and on a point on the forefinger stall. The two stalls are connected by the elastic wire. The elastic wire and the rigid wires are collinear on the binding points on the thumb stall and the forefinger stall. The joint force of the tension of the rigid wires and the elastic force of the elastic wire can provide the operators with four degrees of freedom force feedback. The device has the following advantages: the device adopts parallel structure and has large working space and high output force and moment; the device is driven by wires, is low in transmission structure inertia, low in possibility of interference occurrence among the wires and flexible in operation; the used wires have small quantity and simple structure; the device can simultaneously simulate plane three degrees of freedom sense of force and one degree of freedom sense of grasping without changing the structure of the device; and the device has strong universality and wide application field.

A 3D moving and 2D rotation parallel machine-tool is composed of fixed platform, moving platform for installing cutting tool, and bench. Said fixed and moving platforms are linked via 5 leg containing moving set. The central one of said legs contains 3 moving sets and Hooke pivot. One moving set is linked to the fixed platform. Other 4 legs are linked with fixed platform via Hooke pivots and with moving platform via ball-and-socket unit. Changing the extensions of 5 legs can realize 5-axle machining. Its advantages are high precision, stability and flexibility and low cost.

A stove used combustor is formed with a plurality of incision-shaped flame holes (6) with radiation shape on the upper surface of the combustor head (3); the upper surface at the combustor head is formed with a groove (9) along the lateral margin of each radiation ray area (7) with the form that an approximate triangular platform part (8) remains, wherein the platform part is arranged at the part between each radioactive ray shaped area (7) and (7) which forms the incision-shaped flame holes (6), the radical exterior side of the combustor head is used as the hemline and the inner side of the radial direction is used as the top; and the platform part is formed with a plurality of circular hole shaped flame holes (10). The groove (9) is formed with the form of reaching the external circumstance of the combustor. The secondary air is supplied to the incision-shaped flame hole and the circular hole shaped flame hole from the outside of the combustor head and through the groove. Thereby the dead zone formed between each radioactive ray shaped area that forms the incision-shaped flame hole can be effectively utilized and the heat distribution in the circumference direction can be excellently arranged.

The invention provides a driving arm of a surgical robot, and belongs to the technical field of medical apparatuses. The problems that an existing driving arm of a surgical robot is supported on two sides and is large in size, large in weight and small in stretching range are solved. The driving arm comprises a fixed arm arranged on a stand, a middle section arm hinged to one end of the fixed arm,a front section arm hinged to the end, away from the fixed arm, of the middle section arm, and a sliding arm hinged to the end, away from the middle section arm, of the front section arm. A surgicalapparatus with an apparatus hand is arranged on the sliding arm. The middle section arm is located on one side of the fixed arm. The front section arm is located on one side of the middle section arm.The middle section arm and the front section arm form two adjacent sides of a parallelogram. An apocenter which is located on the vertex of the parallelogram and allows the apparatus hand to penetrate through is arranged between the middle section arm and the front section arm. A driving assembly for driving the apparatus hand to swing with the apocenter as the circle center is arranged between the stand and the sliding arm. Single-side support is adopted, so the driving arm has the advantages of being small in size, light in weight, large in stretching range and the like.

The invention relates to a pre-grinding hob for machining micro-segment gears. A cutting edge normal tooth profile of the pre-grinding hob comprises a main cutting edge segment, an addendum arc segment and a characteristic curve connecting segment, the main cutting edge segment is a normal engagement contacting tooth profile curve segment for machining the micro-segment gears, micro-segment curved lines or micro-segment straight lines are smoothly connected to form the main cutting edge segment, the length of the main cutting edge segment is not larger than 1 micrometer, the characteristic curve connecting segment is a connecting curve segment of a pre-grinding hob tooth addendum arc segment and a micro-segment tooth profile segment, and the trend and the length of the characteristic curve connecting segment are related to the modulus, the initial pressure angle, the pressure angle increment, the grinding allowance, the distribution form of the grinding allowance and the like of the micro-segment gears to be machined. The high-precision micro-segment gears can meet specific use requirements and mass production conditions as far as possible according to theoretical calculation and experience of the trends and the lengths of an undercutting arc segment and a characteristic transition curve segment.

The invention provides a three-link-parallel-connection external fixator for tibia malformation correction. The three-link-parallel-connection external fixator comprises a proximal ring, a distal ring, a proximal-ring connection base, hooke hinges, three adjustment branch links, first adjustment assemblies, second adjustment assemblies, kirschner wires and kirschner wire clamps. The proximal ringand the distal ring of the external fixator are perpendicularly fixed to the deformed tibia through the kirschner wires respectively. The adjustment branch links are composed of the first adjustment assemblies and the second adjustment assemblies, and the first adjustment assemblies and the second adjustment assemblies are provided with adjustment nuts, the adjustment branch links can be extendedor shortened by rotating the first adjustment nut and the second adjustment nut, the distal ring can conduct spatial 6-DOF movement relative to the proximal ring accordingly, and any-space three-dimensional bone malformation can be corrected. According to the three-link-parallel-connection external fixator, three-link design is adopted to form a 3-PUPU parallel connection structure with 6-DOF, andthe three-link-parallel-connection external fixator has the advantages of being simple in structure, small in motion branch link number, large in working space, convenient to operate and not prone tobranch link interference.

The invention discloses a punching die for a truncated-cone-shaped tube. The punching die comprises an upper die seat, a male die, a lower die seat and a female die, wherein two compression bars are symmetrically connected to the left and right sides of the downside of the upper die seat, vertical sliding blocks are connected to the lower ends of the compression bars, the female die is connected to the upside of the lower die seat, supporting seats are respectively arranged at the left and right sides of the female die, the supporting seats are connected onto the lower die seat, the upper sides of the supporting seats are movably connected with horizontal sliding blocks, the punching male die is connected onto the horizontal sliding blocks and is horizontally arranged, supporting plates are arranged between the female die and the supporting seats, and springs are arranged between the supporting plates and the horizontal sliding blocks. The truncated-cone-shaped tube is accurate and convenient to locate, the degree of rotational symmetry of two holes is high, deformation cannot be caused, the quality of product is high, wasting is avoided, and the production cost is reduced.

The invention relates to a card holder device, which includes a card holder, a first housing, a second housing and a card seat body. The first housing is connected fixedly with the second housing. The card seat body is disposed between the first housing and the second housing. A card holder is disposed movably inside the card seat body. The card seat body is provided with a card holder popping mechanism and a detection PIN mechanism thereon. The card holder popping mechanism is connected with the detection PIN mechanism. The detection PIN mechanism is disposed at the inner side of the card seat body. The first housing is provided with card holder locking rods respectively on left and right sides. The card holder locking rods match locking grooves in the card holder. The second housing is provided with a plurality of terminals thereon. The plurality of terminals correspond to ports disposed in the card seat body respectively, and are provided with an SIM card contact module at the head portion. According to the invention, the card holder device realizes the detection protection of an SIM card and easy insertion and popping of the card holder, with firm card lock and good adjustment performance; and solves the functional problems of yielding, instable contact and the like due to that the card holder is easily inserted reversely or obliquely and the SIM card contact module is prone to press a top plate downwards, thereby prolonging the service life of the card.

The invention provides a structure capable of reducing width dimension of the front part of the vehicle and inhibiting vehicle body vibration when a battery is arranged in the front part of the vehicle. According to the invention, a part of a left battery unit (27) and a right battery unit (28) are arranged on a side of front wheel (WF) and a front mud-blocking board (7) steering along with the front wheel. And the rear parts of the left battery unit (27) and the right battery unit (28) are arranged inboard in the vehicle width direction than the front part. And the left battery unit (27) and the right battery unit (28) are arranged in a manner of not interfering with a rotation track of the front mud-blocking board, wherein the front mud-blocking board is steered with the front wheel (WF) integrally.

The invention discloses a mechanical arm structure capable of adjusting contact force and reducing deformation influences, and belongs to the field of precision machines. A mechanical arm is composed of a body, a tool unit and a plunger unit. The body is used for connecting the tool unit and the plunger unit with a guide rail or a platform of an assembling system. The tool unit is used for fixing an end effector and ensuring that the axis of the end effector is unchanged in the operating process. The plunger unit controls the moving range of the end effector and applies downward force to spring pieces so that part of counter-acting force can be offset, and deformation is reduced. By adjusting the rotating amount of a plunger, the magnitude of the contact force can be controlled. The mechanical arm involved in the invention is used for operating, the deformation of the mechanical arm after stress can be reduced, change of the axis angle after the end effector is deformed can be reduced, and thus positional accuracy of assembling or machining operations is improved.

The invention provides a packing box for storing a plurality of goods. The packing box comprises a packing box body composed of a front panel, a rear panel, a left side plate and a right side plate, a plurality of transverse partition plates and a plurality of vertical partition plates, a plurality of rotating shafts, a rotary transmission device and a plurality of baffle plates; the plurality of transverse partition plates and the plurality of vertical partition plates are arranged inside a main body and divide the space of the main body into a plurality of containing cavities for storing the goods; a first groove is arranged at the bottom part of each vertical partition plate of each containing cavity; a hole is arranged at each of the two ends of the first groove; two ends of each rotating shaft are rotationally arranged inside the holes; the rotary transmission device drives the rotating shafts to rotate clockwise or anticlockwise; one side of each baffle plate is fixed on the rotating shaft, and the baffle plate rotates along with the rotating shaft to seal or open the bottom part of each goods containing cavity. The packing box disclosed by the invention is simple in structure and convenient to use, and does not easily bring inconvenience when the goods are stored and taken out at the same time.

The invention discloses a mixing station, a main mixing building and a metering structure thereof, and a metering structure establishment method, wherein the metering structure of the main mixing building comprises a bracket, a water metering device, an additive metering device, an aggregate standby bin and a powder metering device, wherein the bracket comprises support legs and a platform arranged at the top ends of the support legs; a first mounting channel and a second mounting channel are arranged on the platform at an interval; the aggregate standby bin is fixedly mounted in the first mounting channel; a part of the aggregate standby bin is positioned at the upper part of the platform, and the other part of the aggregate standby bin is positioned at the lower part of the platform; the powder metering device is fixedly mounted in the second mounting channel; a part of the powder metering device is positioned at the upper part of the platform, and the other part of the powder metering device is positioned at the lower part of the platform; the water metering device and the additive metering device are fixed at the lower part of the platform. Through the application of the invention, the disassembly and assembly maintenance space and efficiency of all devices in the metering structure are effectively improved and the requirements of manufacturing and processing precision and on-site assembly experiences are lowered while the preassembly and the transportation are facilitated.

The invention relates to a planetary gear type magnetic composite fluid polishing device. According to the technical scheme, a bearing seat is fixedly connected to the lower end of a case, the lower end of the bearing seat is rotationally connected with a shell through a limiting plate, a motor is fixedly connected in the case through a mounting plate, a main shaft of the motor is fixedly connected with a rotating shaft through a coupler, the upper part of the rotating shaft is installed in the bearing seat through a bearing, the lower part of the rotating shaft is connected with a bottom plate of the bearing seat through a U-shaped bearing, the U-shaped bearing is fixedly connected with a needle rod positioned in the shell, the upper part of the needle rod is fixedly connected with a mainplanet gear, the main planet gear is meshed with an auxiliary planet gear, the auxiliary planet gear is meshed with an inner gear on the upper part of the shell, moreover, the auxiliary planet gear is rotationally connected with the needle rod through a connecting shaft, a plurality of magnet rings are fixedly connected to the lower part of the needle rod, moreover, the magnet rings are arrangedin the shell. The motor drives the needle rod to drive the main planet gear and the connecting shaft to rotate, then the auxiliary planet gear is enabled to rotate around the main planet gear, the auxiliary planet gear enables the inner gear and the main planet gear to rotate reversely, and then the rotating direction of the shell and the rotating direction of each magnet ring are opposite.

The invention discloses a soil fertilizer nutrient detection device and a detection process thereof in the technical field of soil fertilizer nutrient detection. The soil fertilizer nutrient detection device comprises a drill bit, a scraping mechanism and a fixed frame, wherein a motor is fixedly arranged at the upper end of the fixing frame, a drill bit is rotationally connected to the lower end of the motor, and a scraping mechanism is arranged on the drill bit; the scraping mechanism can scrape and screen surrounding soil and store the soil in the drill bit after the drill bit enters the land by a preset depth; and in the soil collecting process, the soil can be screened, the subsequent screening work is avoided, the working time of the screening work is shortened, and the soil texture change possibly caused in the working process is avoided, so that the working efficiency is improved, and the detection precision is improved.

A radio base station, which assigns one or more communication channels for wireless communication with respective terminals, comprises a communication status grasping means that acquires the communication statuses of the communication channels assigned to the respective terminals; an interference channel grasping means that selects, based on the communication statuses acquired by the communication status grasping means, a communication channel exhibiting the worst communication status and selects one or more communication channels having an interference relationship with the communication channel exhibiting the worst communication status; a terminal grasping means that selects, from among the terminals to which the selected communication channels having the interference relationship have been assigned, a terminal exhibiting the best communication status; and a communication channel assigning means that assigns, from among the communication channels selected by the interference channel grasping means, a communication channel, which has been assigned to the terminal selected by the terminal grasping means, to a terminal that communicates anew with the radio base station.

The invention discloses a bag feeding device with an air blowing structure. The bag feeding device comprises a first conveying mechanism, a second conveying mechanism, a bag feeding mechanism and an air blowing mechanism. The first conveying mechanism comprises a first conveying wheel, first conveying driven wheels and a first conveying belt. The second conveying mechanism comprises a second conveying wheel, second conveying driven wheels and a second conveying belt. The bag feeding mechanism comprises a track box, an attraction module and a bag feeding piece. The air blowing mechanism comprises air blowing nozzles, an air pipe and an air pump. The air blowing nozzles are provided with air blowing holes and arranged in front of the second conveying wheel. The air blowing holes obliquely blow air outwards. One end of the air pipe is connected with the air blowing nozzles, and the other end of the air pipe is connected with the air pump. By means of the bag feeding device, a bag opening of a bag is kept in a closed straight state under the action of the air blowing mechanism, and interference is not likely to occur in the conveying process; and the bag feeding success rate is increased, and stable running of the device is guaranteed.

The invention relates to the technical field of railway vehicles, and discloses a front end opening and closing mechanism for a railway vehicle. The front end opening and closing mechanism for a railway vehicle comprises a vehicle head cover and a driving mechanism, and the vehicle head cover comprises a front cover and a rear cover which are arranged front and back in the extending direction of the railway vehicle; the driving mechanism is connected between the vehicle head cover and the railway vehicle body and used for driving the front cover and the rear cover to be closed or separated, the driving mechanism comprises a translation assembly and a rotating assembly, the translation assembly is connected to one of the front cover and the rear cover and used for driving the front cover and the rear cover to translate, and the rotating assembly is connected to the other one of the front cover and the rear cover and used for driving the other one to rotate. The front end opening and closing mechanism for a railway vehicle is simple in structure, high in flexibility and convenient to use.

The invention discloses a projector, which comprises a first reflective polarization beam splitter (PBS) assembly, a first vertical reflective PBS assembly, a second reflective PBS assembly, a second vertical reflective PBS assembly, a plurality of reflective silica-based liquid crystal display panels, a projection camera and a light source. The first reflective PBS assembly, the first vertical reflective PBS assembly, the second reflective PBS assembly and the second vertical reflective PBS assembly are arranged clockwise in an X shape at an interval. The projector can be matched with adsorptive polaroids; and thus, the contrast ratio of the projector is improved, interference is avoided at the internal part of the projector, and the projection quality is improved.

The invention provides a pipeline cleaning device for water conservancy project. The pipeline cleaning device for the water conservancy project comprises a mounting disc, a mounting hole is coaxially formed in the end face of the mounting disc in a penetrating mode, a mounting pipe coaxial with the mounting hole is arranged on the end face of the mounting disc, a mud scraping plate is arranged on the outer side wall of the mounting pipe, the side wall, away from the mounting pipe, of the mud scraping plate is tightly attached to the inner wall of a pipeline, an auger blade is coaxially arranged in the mounting pipe and fixedly connected with the mounting pipe, and the auger blade is used for driving the mounting disc and the mounting pipe to rotate under the impact of water flow. When the pipeline cleaning device for the water conservancy project is used, the mounting disc is placed in the pipeline, then a water source is injected into the pipeline, the auger blade can drive the mounting disc and the mounting pipe to rotate under the impact of water flow, the water flow can push the mounting disc to move in the pipeline, therefore, movement and rotation of the mounting pipe in the pipeline are achieved, impurities attached to the inner wall of the pipeline can be further scraped away by the mud scraping plate, normal use of the pipeline is not prone to being affected, and the practicability of the pipeline cleaning device is achieved.

The embodiment of the invention provides a method and a device for real-time positioning of personnel, which are applied to an identification system comprising a plurality of position points. The method comprises the following steps of: acquiring real-time images of each position point; Identifying the image based on a preset database to determine an object corresponding to the image, wherein thedatabase stores a correspondence relationship between the human face features and the identity information of the object; updating a position of the object to a position of the position point. In theway of active image recognition, the recognizer does not need to carry other equipment, interference is not liable to occur, large-scale infrastructure foundation is not needed, there is no need to carry on the large-scale transformation to the original environment, the cost is saved, the efficiency of recognition is ensured, and the adaptive range is expanded.

An electric vehicle battery pack includes a battery case (24), a cooling air intake member (48), a first cooling air exhaust member (49), a second cooling air exhaust member, and a first cooling fan. The battery case is disposed under a passenger compartment of an electric vehicle to contain a plurality of batteries. The first cooling air exhaust member is disposed to overlap at least a part of the cooling air intake member when viewed from a width direction of the electric vehicle. The second cooling air exhaust member is disposed to overlap at least a part of the cooling air intake member when viewed from the width direction. The first and second cooling air exhaust members are respectively disposed on both sides of the cooling air intake member in the width direction.

The invention relates to a power device for a wearable power-assisting exoskeleton. The power device for the wearable power-assisting exoskeleton comprises a coil spring shell, wherein an opening is formed in the coil spring shell; a coil spring is located in the coil spring shell; the outer end head of the coil spring is hooked on the opening; shell covers are arranged on two sides of the coil spring shell; bearings are arranged in the centers of the shell covers; a pressing cover is arranged on the coil spring shell; a pull wire winds on the outer circumference of the coil spring shell; theend head of the pull wire is fixedly pressed on the coil spring shell through the pressing cover; the coil spring shell is located in a shell formed by a shell and a shell cover; a connecting seat isfixedly clamped between the shell and the shell cover; a connecting pipe is connected onto the connecting seat; a nut is connected to the upper end of the connecting pipe; the pull wire penetrates through the connecting seat, the connecting pipe and a nut center hole; an installation plate and a connecting plate are fixed onto the shell and the shell cover; a coil spring shaft is inserted into thecenter holes of the shell and the shell cover; the middle part of the coil spring shaft is inserted into bearing inner holes; the inner end head of the coil spring is inserted into a longitudinal groove on the coil spring shaft; one end of the coil spring shaft stretches to the outer side of the shell; a ratchet is arranged on the outer end head of the coil spring shaft; a pawl matched with the ratchet is rotatably connected onto the outer side surface of the shell; and a moving handle is connected to one end of the pawl.

The invention discloses a parallel robot with a large working space and low inertia. The robot comprises a rack, a dynamic operation table, and three same branches connected between the rack and the dynamic operation table and uniformly and circumferentially distributed along a central axis of the rack, wherein each branch sequentially comprises a parallelogram coupling drive assembly, a sixth rotational joint assembly, a driven rod piece, a seventh rotational joint assembly and a universal hinge from the rack to the dynamic operation table. The parallel robot with the large working space andthe low inertia provided by the invention has the advantages that six drive motors are arranged on the rack and have no follow-up movement, and each branch is concise and compact in structure, so thatthe mechanism has the characteristics of low inertia, light weight, large working space, easiness in processing and manufacturing and the like, and has a favorable application prospect.

The invention relates to the technical field of mask production equipment, in particular to a mask ear strap automatic welding machine. The mask ear strap welding machine comprises a frame, wherein aninput device, ear strap rope pulling devices, ear strap rope pulling wire positioning devices, ear strap rope turning devices, a welding device and an output device are arranged on the frame in sequence according to an assembly line. The input device is arranged on the frame and is used to input a mask body. The ear strap rope pulling devices are arranged on both sides of the frame and are used to pull ear strap ropes. The ear strap rope pulling wire positioning device guides the ear strap ropes into both sides of the input device. The ear strap rope turning devices are arranged on one sidesof the ear strap rope pulling wire positioning device, bend the ear strap ropes into a U-shape and guide U-shaped ear strap ropes into the ends of the mask body. The welding device is installed on theframe and is used to weld the U-shaped ear strap ropes to the mask body. The output device is used to output the masks welded with ear straps. The frame is provided with a first lifting device whichcontrols up and down lifting of each ear strap rope turning device. The two ear strap rope turning devices are respectively arranged on both sides of the first lifting device. The lower two sides of the first lifting device are provided with positioning and pressing devices for positioning the two ends of the mask body.

A method of folding is provided for folding an airbag including a vehicle-side wall, a driver-side wall, an inlet opening formed in the vehicle-side wall and a mounting seat disposed in a periphery ofthe opening. The method includes a first process conducted in a first direction and a second process conducted in a second direction orthogonal to the former. The first process includes an initial folding that folds back each of opposite sides in the first direction of the airbag as flattened with respect to the mounting seat towards the mounting seat, a rolling that rolls the airbag towards themounting seat from creases formed in the initial folding, and an invaginating that invaginates each of resulting rolled regions between the vehicle-side and driver-side walls. The second process foldsup opposite sides in the second direction of the airbag with respect to the mounting seat each towards the mounting seat.

The invention relates to a parallel flexible cable driven upper limb rehabilitation robot capable of realizing fixed-point output of flexible cables. The parallel flexible cable driven upper limb rehabilitation robot comprises driving modules, a sleeve, a ball guide wheel, a ball guide wheel fixing frame, the flexible cables, a sleeve support, an idle wheel, a T-shaped table, a seat and a supporting frame. And the seven groups of driving modules are intensively mounted at the bottom of the supporting frame and can also be randomly arranged as required. According to different arrangement forms, the flexible cable can be transmitted to the ball guide wheel through the sleeve and the idle wheel. The ball guide wheel is restrained on the supporting frame through the ball guide wheel fixing frame, and the ball guide wheel correspondingly rotates along with the change of the output direction of the flexible cables. The tail ends of the flexible cables are connected to the T-shaped table, the two end points of the top of the T-shaped table are connected with the two flexible cables respectively, the end points of the bottom of the T-shaped table are connected with the three flexible cables, and the T-shaped table drives the affected limb to achieve rehabilitation training. By means of the device, space fixed-point and multi-direction flexible output of the flexible cables can be achieved.

The invention discloses a rotary cutting cutter. The rotary cutting cutter comprises an outer cutter, an inner cutter, a rotation driving piece and a translational motion driving piece, wherein a sampling groove is formed in the front end of the outer cutter, the outer cutter sleeves the inner cutter; the rotation driving piece is in axial sliding fit with circumferential transmission of the inner cutter, and the translational motion driving piece is matched with the inner cutter through a lead screw structure; the rotation driving piece is used for driving the inner cutter to rotate, a rotating speed difference is formed by the rotation driving piece and the translational motion driving piece, and then axial motion of the inner cutter is driven through the rotating speed difference to realize sampling of the sampling groove; the rotation and translational motion of the inner cutter are driven in a differential driving manner through the rotation driving piece and the translational motion driving piece, complex and relatively heavy integral structure of the cutter caused by the fact that a speed reducer is needed to realize speed reduction output is avoided, the rotation and translational motion are guaranteed to be unlikely to intervene by setting a differential driving gear, the rotary cutting efficiency of operation is high, the motion stability of operating assemblies is high, and the safety of the operation is guaranteed.