26results about How to "Solve the rotation problem" patented technology

The present invention relates to the technical field of indexing turntables, and discloses an ultra-precision five-axis tilting CNC indexing turntable. The present invention comprises: a spindle box, a turntable drive assembly is arranged on the driving shaft of the spindle box, the turntable drive assembly comprises a housing, a shaft rotatably mounted in the housing, a worm gear sleeved on the shaft, and a workbench arranged at the top end of the shaft, a precision worm mechanism for driving the worm gear and a motor for driving the precision worm mechanism are arranged in the housing; the precision worm mechanism comprises a main worm rotatably mounted in the housing and axially movable and meshing with the worm gear, a slide cylinder is arranged at one end of the main worm, an axially movable adjusting rod is arranged in the slide cylinder, and a slider is arranged at one end of the adjusting rod in the slide cylinder. The present invention can allow the worm to automatically move axially when wear occurs between the transmission teeth of the worm gear, so as to achieve precise meshing with the worm gear, thereby ensuring the accuracy of the indexing turntable.

The utility model relates to a rigid landfill hoisting bag cutting device which comprises a connecting rod, a sliding rod, a cutting rod and stretching rods, the sliding rod is of a U-shaped structure, the connecting rod is installed on the lower portion of the sliding rod, the stretching rods and the cutting rod are installed on the connecting rod respectively, and the stretching rods are connected to the ends of the two sides of the upper portion of the U-shaped sliding rod through stay wires. After the distance between the two ends of the U-shaped sliding rod is increased, the U-shaped sliding rod is loosened and fixed to a waste bag needing to be cut, a blade is installed at the end of the cutting rod and installed on the U-shaped sliding rod, and the waste bag is cut through the cutting rod. The device has the advantages of being simple in structure, convenient to install and use, capable of reducing labor cost, improving operation efficiency, reducing accidents, ensuring safety and smoothness of the landfill process and the like.

The utility model relates to the technical field of engraving, disclose glass bottle surface pattern engraving device, including mesa and cylinder, the side surface fixed connection of mesa has laser engraver, the top fixed connection of mesa has shell no.

The present invention relates to an integral high-pressure and ultra-large flow hydraulic distributing valve, comprising a valve body, wherein a stepped groove is provided in the valve body, which is located at the same hole center and has a decreasing aperture from top to bottom, the bottom of the stepped groove is connected to the liquid inlet through hole, and the suction valve seat, suction valve core, extrusion valve seat, extrusion valve core and extrusion valve stopper that contact and cooperate with each other are arranged in sequence upward along the bottom of the stepped groove, and the extrusion valve stopper is connected to the liquid discharge through hole. The present invention has a compact and reasonable structure and is easy to operate. By adopting a flat valve structure, the lower part of the suction valve core has a parabolic structure, which is conducive to reducing valve port cavitation. The suction valve and the extrusion valve are both designed with a low-friction anti-rotation structure, which solves the problem of the valve core rotating when impacted by high-speed uneven fluid; the extrusion valve seat is provided with an oblique counter-impact structure, and the impact energy of the fluid is dissipated through the oblique counter-impact structure, thereby reducing the impact of the fluid on the valve core and enhancing the operating stability of the distributing valve.

The application discloses a kind of all-around intelligent flexible ultrasonic transducer detection device and method, belong to medical ultrasonic detection technical field, the present application is by upper protective layer, metal shielding layer, insulating filler layer, upper layer printing electrode, piezoelectric layer, lower layer printing electrode, lower protective layer composition, wherein piezoelectric layer is by many piezoelectric array element composition radial multilayer ring belt, printing electrode layer is flexible electrode with "spider web structure" and "island-bridge" structure, metal shielding layer is added between protective layer and insulating layer absorption and reflection external electromagnetic wave;Annular positive pole is always connected with ultrasonic acquisition card channel, only need to make negative pole channel alternate connection, different angle radial array element can be made to work simultaneously, can be automatically attached skin, with flexibility and stretch performance, simultaneously using "ring-diameter" addressing flexible circuit design and addressing mode, less occupied ultrasonic acquisition card channel, and can realize automatic multiple position and multiple angle all-around ultrasonic detection.

This invention provides a special disassembly tool and method for abrasive rollers in automotive clutch steel sheet grinding equipment. The tool includes: a first fixing component mounted on the rotating shaft of the abrasive roller; a first disassembly component mounted on a first fixing nut on the rotating shaft of the abrasive roller; a second fixing component mounted on the back plate of the grinding equipment; and a second disassembly component fitted onto a second fixing nut on the rotating shaft of the abrasive roller. Both the first and second fixing components have contour holes that mate with the rotating shaft of the abrasive roller. The first fixing component manually restricts the rotation of the rotating shaft, and the second fixing component restricts the rotation of the rotating shaft by being fixed to the back plate and engaging with the contour holes. Both the first and second disassembly components have disassembly teeth, allowing the first and second fixing nuts to be disassembled by rotating the disassembly teeth. This invention solves the problems of inability to circumferentially lock the rotating shaft of the abrasive roller during disassembly and installation, and the inability of commonly used tools to achieve effective rotation in confined spaces.

The utility model discloses a forging ring rolling machine for ring forging pulley machining, which comprises a rack, a driving rolling wheel and a driven rolling wheel are respectively arranged on one side of the rack, the forging ring rolling machine for ring forging pulley machining further comprises an adjusting device, and the adjusting device is arranged inside the driving rolling wheel. And the limiting device is arranged outside the driving rolling wheel. According to the forging ring rolling machine for ring forging pulley machining, through cooperation of the containing plate, the stud, the hand wheel, the annular plate, the curved bar, the first limiting plate, the second limiting plate and the connecting part, the size of a groove in the surface of the driving rolling wheel is adjusted, ring rolling machining is carried out on pulleys of different sizes, and the machining efficiency is improved. The problems that when an existing ring rolling machine works, due to the fact that the size of a groove in the surface of a driving rolling wheel is fixed, the size of the groove cannot be adjusted, only pulleys of the same size can be machined, and the working range of the existing ring rolling machine is reduced are solved.

The application relates to the technical field of image processing, and particularly relates to an endoscope rotating image processing method and an endoscope. The application updates a real-time image in a spatial position to obtain a rotating-right image, solves the problem of image rotation caused by endoscope rotation, and realizes stable display of the image. The feature extraction module parameters are dynamically adjusted by determining a rotating angle distribution result, so that the feature extraction process can be self-adapted to the rotating change degree of the endoscope, and the accuracy and comprehensiveness of feature expression are improved. Moreover, a regularization term based on a convolution attention mechanism iteratively updates image estimation, the convolution captures spatial frequency information, and the spatial and channel attention mechanisms are combined to focus on key areas, so that image blur is effectively removed, and the image recovery quality is improved. In addition, a pose solving method based on quaternions and a screw displacement method accurately separates a pure rotation angle from a composite motion, so that the accuracy of rotation correction is ensured.

The application discloses a manual valve with filtering function, which comprises a valve body, a valve cavity arranged in the top of the valve body, an air inlet valve port and an air outlet valve port arranged on the valve body, a first mounting hole arranged in the valve body, a valve seat screwed into the first mounting hole from bottom to top, an inner clamping groove arranged on the sidewall of an inner locking section, an outer clamping groove arranged on the inner wall of an outer locking hole, the valve seat and the valve body locked by an inner clamping spring, a second mounting hole arranged in the valve seat, the second mounting hole comprising a second sealing hole and a second threaded hole coaxially connected in sequence from bottom to top, a valve rod rotatably arranged in the second sealing hole, the valve rod being driven to rotate by a wrench, a valve core bottom threadedly connected with the second threaded hole, the valve core top extending into the valve cavity, the valve rod driving the valve core to rotate, the valve core top being provided with a valve flap, and a filter element arranged in the valve cavity and sleeved with the valve core top.

The invention relates to the technical field of biomedical imaging and image processing, in particular to a respiratory tract reconstruction method and device.The method comprises the steps that respiratory tract cross section images of different axial positions of a respiratory tract and exceeding one respiratory cycle are collected, lumen segmentation is conducted on the basis of the respiratory tract cross section images, and the respiratory tract cross section images are obtained; and extracting image data of the cross section of the respiratory tract at each axial position at the end of expiration and the end of inspiration by utilizing the segmented contour area or inner diameter change information based on the lumen structure so as to obtain data with consistent respiratory dynamic states, and performing respiratory tract reconstruction according to the data with consistent respiratory dynamic states. And obtaining a respiratory tract model with consistent breathing states. Therefore, the problems that in the related technology, the respiratory dynamic influence is not considered, the shape and the inner diameter of the respiratory tract lumen are changed due to the change of the respiratory state of the patient within the pullback collection time, so that the reconstruction model is inaccurate, and diagnosis of doctors is influenced are solved.

A vertical machining fixture for pin-type workpieces includes a base frame, a rotary table, a tailstock, a bridge frame, and a clamping base. The rotary table and tailstock are coaxially opposite each other on the base frame. The two sides of the bridge frame are connected to the rotary table and tailstock respectively. The clamping base is mounted on the bridge frame and has at least one machining station. Each machining station is equipped with a circumferential positioning block, an axial positioning seat, an axial movement mechanism, and a clamping mechanism. The fixture is placed on the worktable of a vertical machining center. A robot arm places the pin-type workpiece onto the circumferential positioning seat. The axial movement mechanism pushes and pulls the pin-type workpiece onto the axial positioning seat for axial positioning. The clamping mechanism clamps the pin-type workpiece onto the circumferential positioning block. Rotating the rotary table allows the bridge frame, clamping base, and pin-type workpiece to be in a horizontal or vertical position on the rotary table and tailstock for radial hole or end face machining. This fixture facilitates workpiece rotation via the rotary table, ensuring the workpiece is in a horizontal or vertical position, thus improving machining efficiency.

The special-shaped column joint connecting structure comprises a special-shaped column, a cross beam and an L-shaped reinforcing plate, the cross beam is fixed to the surface of the special-shaped column through the L-shaped reinforcing plate, a reinforcing plate is fixedly connected to the L-shaped reinforcing plate, and nuts are fixedly welded to the left side and the right side of the upper end and the lower end of the inner wall of the cross beam and the upper side and the lower side of the surface of the special-shaped column. And self-locking ring mechanisms are fixed to the left side and the right side of the L-shaped reinforcing plate correspondingly, the self-locking ring mechanisms are movably connected with connecting ring mechanisms in a sleeving mode, and the self-locking ring mechanisms allow the connecting ring mechanisms to rotate in one direction and be locked. The self-locking ring mechanism is matched with a ratchet wheel and a pawl of the connecting ring mechanism, a one-way rotating locking mechanism is constructed, the mechanism allows the connecting ring mechanism to freely rotate in the bolt fastening direction when the connecting ring mechanism is installed, and once the connecting ring mechanism tends to rotate in the reverse direction (the loosening direction), the pawl can be immediately clamped into a tooth groove of the inner ratchet wheel, rigid mechanical interference is formed, loosening is actively prevented, and the locking effect is achieved. And the problem of bolt rotation caused by vibration is fundamentally solved.

The utility model relates to an angle-adjustable tree pruning device, which belongs to the technical field of tree pruning and comprises an arc-shaped outer rack, a sliding box is slidably mounted on the surface of the arc-shaped outer rack, and a moving component is arranged on the inner bottom wall, positioned on the outer side of the arc-shaped outer rack, of the sliding box. An inner moving wheel set is arranged on the inner bottom wall, located on the inner side of the arc-shaped outer rack, of the sliding box. According to the angle-adjustable tree pruning device, a pruning blade is mounted above a sliding box, and the sliding box is driven by a moving assembly to perform arc movement along an arc-shaped outer rack, so that when a pruning motor drives the pruning blade to prune a tree, the pruning angle can be smoothly adjusted, and the shape of the tree is pruned to be smoother; the problem that when the trimming device is manually driven to rotate and move to adjust the trimming angle, the trimming angle adjustment is inaccurate due to the operation problem under the condition that the device is heavy is solved.

The utility model provides a spindle hydraulic cylinder, which relates to the technical field of spindle systems and comprises a cylinder body and a cylinder cover mounted on the cylinder body, a piston moving along the axis direction is mounted in the cylinder body and the cylinder cover, a sensing ring moving along with the piston is fixedly connected to the end, close to the cylinder cover, of the piston, and communicated air guide channels are formed in the piston and the sensing ring. An air pipe connector is installed on the outer side of the outer end mouth measuring ring of the air guide channel, positioning holes are formed in the corresponding ends of the piston and the cylinder cover at the same time, a positioning pin is installed in the positioning hole in the piston end, and the positioning pin is matched with the positioning hole in the cylinder cover end. According to the hydraulic cylinder, the air guide channel used for cutter loosening and air blowing is completely independent relative to the sealing structure of the piston, the risk that a sealing ring loses efficacy when a traditional spindle hydraulic cylinder loosens the cutter and blows air can be effectively avoided, and the service life of the hydraulic cylinder is prolonged.

The utility model relates to the technical field of aluminum pipe octagonal lock sleeves, and discloses an aluminum pipe octagonal lock sleeve extrusion forming device which comprises a bottom plate, the top of the bottom plate is fixedly connected with a first fixing frame and a second fixing frame, and the outer portion of the second fixing frame is fixedly connected with a fixing clamping die assembly. A sleeve is fixed in an octagonal mode, the problem of sleeve rotation possibly occurring in an original mode is effectively solved, the two-step upset head machining process is reduced, the machining process is effectively simplified, raw materials used for the two-step upset head are reduced, the machining efficiency is improved, and the machining cost is reduced. The machining cost is greatly reduced, the head upsetting step is reduced, machining materials are also reduced, the movement condition in the extrusion process is prevented through the arrangement of the anti-movement assembly, then the machining quality and efficiency are improved, the position deviation condition is not prone to occurring when the second clamping die moves through the arrangement of the positioning assembly, and the machining quality is improved. And the machining accuracy is improved.

The utility model provides a compressor, and relates to the technical field of compressors. The compressor comprises a compressor body, an upper shell cover, a junction box cover and a special-shaped fastener, the upper shell cover is arranged on the compressor body, the junction box cover is arranged on the upper shell cover, a special-shaped hole is formed in the junction box cover, the special-shaped fastener is matched with the special-shaped hole in shape, and the special-shaped fastener penetrates through the special-shaped hole and is connected with the upper shell cover, so that the junction box cover can be prevented from rotating; and the universal management of the junction box cover is facilitated, and the material cost of the junction box cover is reduced.

The utility model discloses an AGC (automatic gain control) oil cylinder positioning device of a finishing mill. The AGC oil cylinder positioning device comprises an AGC oil cylinder locking plate fixed on a rolling mill housing, wherein the AGC oil cylinder is located in the middle of the AGC locking plate, the two sides of the AGC oil cylinder locking plate are each connected with a positioning block with an inner arc surface through a bolt, a connecting rod is connected between the lower portions of the positioning blocks through a bolt, the positioning device limits movement and rotation of the oil cylinder in the X / Y-axis direction through the arc surfaces, and meanwhile rotation of the AGC oil cylinder in the Z-axis direction is limited through the connecting rod; the problems of rotation and displacement of the oil cylinder are solved by limiting five degrees of freedom of the AGC oil cylinder body; the AGC oil cylinder body is matched with the positioning device, and positioning and guiding of the AGC oil cylinder are completed.

The utility model relates to the technical field of notebook computer rotating shafts, in particular to a pressing mechanism of a notebook computer rotating shaft, which comprises a mounting plate and a pressing unit, the pressing unit comprises a fixing plate, a circular shaft, two limiting rings, a sleeve, a connecting plate, a disc, a spring, a fixing disc, an abutting component, an adjusting component and a guide component, and the fixing plate is fixedly connected with the mounting plate. The circular shaft penetrates through the fixing plate and is rotationally connected with the fixing plate, the circular shaft is sleeved with the sleeve, the connecting plate is fixedly connected with the sleeve, the abutting assembly is arranged at one end of the sleeve, the circular shaft is sleeved with the disc and the fixing disc, one end of the spring is fixedly connected with the disc, and the other end of the spring is fixedly connected with the fixing disc. The adjusting assembly is arranged on one side of the fixing disc, through the arrangement, the tightness degree of the rotating shaft can be conveniently adjusted, and therefore the rotating requirement between the notebook computer body and the display screen is met.

The utility model provides a tube rack for mother strain hypha culture, and relates to the technical field of strain culture devices, the tube rack comprises a base, a supporting rod, a test tube clamp and a test tube supporting piece, the base comprises a group of side rods and a reinforcing rod connected between the side rods, the supporting rod is vertically arranged at one end of each side rod, the test tube clamp comprises a transverse connecting rod and a U-shaped clamping strip, and the U-shaped clamping strip is connected with the supporting rod. The two ends of the connecting rod are connected with the supporting rod, the U-shaped clamping strips are uniformly arranged on the connecting rod at an inclined angle, the test tube supporting sheets are arranged at the other end of the supporting rod towards the U-shaped clamping strips, and limiting holes for limiting the bottoms of test tubes are formed in the supporting sheets. The problems that a traditional test tube rack is used for vertically placing the test tubes, inclined culture cannot be carried out, supporting pieces of the traditional test tube rack are prone to blocking, temperature and humidity borne by the test tubes are not uniform, and mycelial growth is affected are solved.

The utility model discloses an optical sensor assembly, which relates to the field of adjustable supports of laser displacement sensors and comprises a fixed seat fixedly mounted on a side plate of a conveying belt, a connecting arm is welded at the top of a top end plate of the fixed seat, and a rotating arm is rotatably mounted on the inner side of the connecting arm. A laser displacement sensor is installed between the two rotating arms through a displacement mechanism, a supporting seat protruding outwards is welded to the top of the outer side of one connecting arm, and a rotating mechanism connected with one rotating arm is rotationally installed on the supporting seat. According to the utility model, through arrangement of the worm gear and worm type rotating mechanism, angle adjustment of the laser displacement sensor can be realized, good self-locking force is provided after adjustment, and the problem of rotation of the laser displacement sensor due to stress after adjustment is avoided.

The present invention relates to the technical field of butterfly valves, and discloses a flange hard-sealed butterfly valve, comprising a butterfly valve body and a handle, a worm gear box is fixedly installed on the top of the butterfly valve body, the output end of the worm gear box is transmission-connected to the valve stem in the butterfly valve body, and a locking mechanism is arranged between the input end of the worm gear box and the handle; the locking mechanism comprises a box body, a rotating shaft 1, a mounting plate, and a sliding rod, the box body is fixedly installed on the front side of the worm gear box, the rear end of the rotating shaft 1 is transmission-connected to the input end of the worm gear box, before the handle is pushed to move backward, the teeth cannot mesh with the gear 1, at this time, whether the handle is impacted or accidentally turned by the worker, the gear 1 cannot be driven to rotate through the connecting rod, the locking sleeve, and the teeth, thereby avoiding the problem that the handle is impacted and rotated, thereby causing the valve stem in the butterfly valve body to rotate, and also avoiding the problem that the teeth and the gear 1 are damaged when the handle is rotated by hard force.

This invention belongs to the field of flowmeter verification and calibration technology, and particularly relates to a high-precision and rapid transfer method for weighing containers during flowmeter verification and calibration. Its key feature is that, during the weighing process of flowmeter verification, after the weighing container is moved and returned to its original position, the repositioning accuracy of the weighing container on the electronic scale is controlled to be less than 1 mm. The specific operation steps are as follows: 1) Preparation stage; 2) Lifting; 3) Transfer; 4) Weighing; 5) Reset; 6) Equipment restoration, the equipment returns to the verification and calibration state. Compared with the prior art, the beneficial effects of this invention are: during the flowmeter verification and calibration process, without the aid of cranes or forklifts, the weighing container can be quickly and accurately transferred to a reasonable position; during the transfer process, the weighing container can maintain precise positioning at all times; and after the electronic scale is reset, the weighing container can be quickly placed back on the electronic scale, while reducing collisions and impacts on the electronic scale.

The utility model relates to the technical field of audio acquisition equipment, in particular to a wireless microphone, which comprises a head-mounted bracket, the head-mounted bracket is an elastically arranged semicircular ring structure, two ends of the head-mounted bracket are respectively provided with a hook, the free end of any hook is provided with an adjusting arm extending linearly, and the adjusting arm is sleeved with an adjusting seat; the head-mounted module is fixedly arranged on the adjusting seat, one end of the head-mounted module is connected with a metal tube, and the free end of the metal tube is provided with a pickup microphone; a processor, a power supply and a wireless communication module are arranged in the head-mounted module, and the pickup microphone, the power supply and the wireless communication module are electrically connected with the processor. According to the utility model, the structural design of the head-mounted bracket is optimized, and the adjusting arm and the adjusting seat are additionally arranged, so that the pickup microphone can accurately adjust the sampling distance, and the collected audio data are more referential.

The utility model relates to the technical field of safety ball valves, and discloses a gas pipeline safety ball valve which comprises a valve body, the surface of the valve body is fixedly connected with a base, and the upper surface of the base is fixedly connected with a support, a combustible gas sensor, a fixed motor and a fixed rotating shaft. The safety ball valve is reasonable in structure, the valve rod can be driven to rotate through rotation of the fixing block so that a pipeline in the valve body can be closed, and the effect that after gas leakage occurs, personnel are reminded through the alarm firstly, then the fixing block is rotated so that the safety ball valve can be closed, and gas leakage is reduced is achieved; then a cleaning agent is sprayed to the rotating position of the valve rod through a spray head, and the effect that the cleaning agent can be sprayed to the rotating position of the valve rod at regular time, so that oil dirt impurities at the rotating position of the valve rod are softened, and follow-up cleaning is facilitated is achieved; the surface of the valve rod can be continuously cleaned after oil dirt impurities at the rotating position of the valve rod are softened, and oil dirt on the surface is removed.

The utility model relates to the technical field of sealing ball valves, in particular to a high-pressure metal sealing ball valve which comprises a ball valve body, a mounting seat and a rotating wheel, the mounting seat is fixedly connected to the top end of the ball valve body, and a ball valve resistance reducing water passing structure is arranged in the ball valve body. The resistance-reducing water passing structure of the ball valve comprises two ball valve bearings, a sealing groove and a valve element, the two ball valve bearings are fixedly installed at the two ends of the interior of a ball valve body, and the sealing groove is fixedly installed on the inner wall of the ball valve body. According to the high-pressure metal sealing ball valve, the reinforcing plate is made of a stainless steel metal plate which is firm and rust-proof, and the anti-collision layer is made of a high-carbon steel metal plate which is not prone to deformation and high in impact resistance, so that the anti-collision layer can improve the impact resistance of the water through hole under the high-pressure condition; the metal sealing ball valve is used for preventing the situation that the valve element is prone to impact deformation under high-pressure work, and the sealing performance of the high-pressure metal sealing ball valve is improved.

This utility model relates to the field of electric roller machining technology, and discloses a drilling device for electric roller machining, including a worktable. A side plate is fixedly connected to the side wall of the worktable, and a connecting plate is provided on the side wall of the side plate. A sliding sleeve is slidably connected inside the connecting plate, and a drill bit is slidably connected inside the sliding sleeve. A disassembly and assembly assembly is provided inside the sliding sleeve, and a fixing assembly is provided on the upper surface of the worktable. The fixing assembly includes a fixing frame, a mounting plate, a connecting plate, and a support plate. The side wall of the fixing frame is fixedly connected to the upper surface of the worktable, and the side wall of the mounting plate is fixedly connected to the side wall of the fixing frame. In this utility model, a cylinder pushes a sliding column to slide along the fixing cylinder, which drives the connecting block to expand the support plate radially outward along the connecting plate, thereby achieving the effect of the support plate tightly fitting against the inner wall of the electric roller and firmly fixing the workpiece. The above structure improves the fixing stability and adaptability during electric roller machining and ensures drilling accuracy.