77results about How to "Avoid positioning deviation" patented technology

The invention discloses a multi-source data-based mining equipment positioning system and method. The system is characterized in that a plurality of ultra-wideband base stations are sequentially mounted in a crossheading roadway at intervals; the coding identifiers are mounted on supporting columns of the hydraulic supports in a one-to-one correspondence manner, and are positioned on one side close to the coal mining machine; the inertial sensing unit, the camera, the ultra wide band positioning module and the controller are all mounted on the body of the coal mining machine; the visual angle of the camera faces a supporting column of the hydraulic support. The ultra-wideband positioning module is positioned on one side, close to a crossheading roadway, of a coal mining machine body and is connected with the ultra-wideband base station; the controller is respectively connected with the inertial sensing unit, the camera and the ultra-wideband base station. The method comprises the following steps: carrying out initial position calibration by using the ultra-wideband positioning module; predicting the position of the coal mining machine based on inertial navigation; updating the prediction state of the inertial sensing unit based on the identification of the coding standard by the camera; and the positioning continuity is ensured by fusing the data of the inertial sensing unit and the camera. According to the system and the method, real-time and accurate positioning operation of the coal mining machine in the working process can be realized.

The invention discloses a riveting tool for a frame cross beam, which comprises two oppositely arranged positioning plate assemblies and two oppositely arranged positioner connecting plates which are encircled to form a rack and are used for positioning and fixing a bent connecting plate and the cross beam so as to overturn along with a positioner, wherein the two ends of one positioning plate assembly are connected with the sliding rails on the two positioner connecting plates, the positioning plate assemblies are used for fixing cross beams of different sizes through sliding adjustment, and rivet anti-falling assemblies are arranged on the positioning plate assemblies and used for abutting against rivets between the bending connecting plates and the cross beams so as to prevent the rivets from falling off when the rack turns over. The riveting tool for the frame cross member has the advantages of being simple in structure, high in applicability, stable in riveting quality, high in percent of pass, high in riveting efficiency and the like.

The invention relates to the technical field of orthopedic surgery, and discloses a positioning method for orthopedic surgery, which comprises the following steps: step 1, acquiring image data: acquiring image data of legs of a patient by using CT (Computed Tomography) and MRI (Magnetic Resonance Imaging) equipment; step 2, three-dimensional modeling: generating a three-dimensional skeleton model of the legs of the patient based on the image data; 3, preoperative planning, wherein a preoperative operation path is planned on software according to the three-dimensional model. According to the positioning method for the orthopedic surgery, image data are obtained through CT and MRI equipment, three-dimensional modeling is carried out, the leg skeleton structure of a patient can be accurately presented, an accurate basis is provided for surgical path planning, optical positioning and electromagnetic positioning technology registration, mechanical arm navigation and real-time monitoring adjustment are utilized in the surgery, and the positioning accuracy is improved. And the problem of positioning deviation caused by the experience of medical staff and a simple fixing device traditionally is effectively avoided, and correct alignment of surgical parts is ensured.

The utility model relates to the technical field of packaging box processing, in particular to a paper-plastic bowl-shaped packaging box single-side notching device which comprises a workbench, a notching mechanism used for notching a paper-plastic bowl-shaped packaging box single side is arranged on the upper surface of the workbench, and the notching mechanism comprises an air cylinder, a base, a spring, a pressing block, a punch, a product positioning structure, a receding space and a discharging position. A channel for the punch to move is formed in the outer portion of the pressing block, the paper-plastic bowl-shaped packaging box is positioned through the product positioning structure, meanwhile, the pressing block is matched with the spring, the packaging box is fixed before cutting, and due to the fact that the face, close to a product, of the pressing block is machined into the concave curved face matched with the arc face of the upper edge of the product, the product can be conveniently cut. According to the technical scheme, reliable positioning constraint can be formed on a product, large positioning deviation is avoided, the accuracy of the notch position is guaranteed, meanwhile, the punch is arc-shaped, it is guaranteed that cutting force is evenly distributed, continuous and stable cutting can be conveniently achieved, and the risk that the product is damaged is reduced.

The utility model relates to the technical field of automobile lamps, and discloses a low-beam lens module. The low-beam lens module comprises a lens support assembly which comprises a lens support and a light type baffle which are integrated; the outer lens is arranged on the lens bracket, and the outer lens is positioned on one side of the light type baffle plate in the first direction; the inner lens is arranged on the lens support and located on the other side, in the first direction, of the light type baffle; the light-emitting assembly is arranged on the side, away from the light type baffle, of the inner lens in the first direction, and light output by the light-emitting assembly can sequentially pass through the inner lens and the light type baffle and is emitted out of the outer lens. According to the technical scheme, the installation steps of the low-beam lens module are simplified, in the assembly process, parts do not have the overturning process, automatic installation is facilitated, and the assembly efficiency is improved.

The utility model relates to the technical field of automobile transmission gear machining, and discloses a fixed slotting device for automobile transmission gear machining, four sliding rails are uniformly arranged on the upper surface of a machining seat, and by arranging linkage structures such as an adjusting screw rod, a threaded sleeve and a driving arm, when a positive and negative rotation motor drives the adjusting screw rod to rotate, the sliding rails are driven by the driving arm to rotate; the threaded sleeve axially moves along the adjusting screw rod, the driving arms in the grooves in the side portions of the threaded sleeve synchronously swing to push the sliding blocks to slide in the radial direction along the sliding rails, the arc-shaped clamps on the four installation bases synchronously move centripetally or centrifugally, uniform circumferential clamping force is formed, and the structure can automatically adjust the clamping range according to the outer diameter size of a gear. Through symmetrical distribution and clamping of the four sets of arc-shaped clamps, the central axis of the gear is accurately aligned with the machining reference, the problem of positioning deviation caused by single-direction fixing is solved, synchronous linkage positioning of multiple clamps is achieved, and it is guaranteed that the gear is evenly stressed and the center is stable in the machining process.

The invention provides a laser measuring device for steel bar deformation, and belongs to the technical field of laser measuring equipment, the laser measuring device is characterized in that a top cover frame is arranged above a device base, and a detection cavity is formed between the device base and the top cover frame; the detection assembly comprises a grating light emitter and a grating light receiver which are used for detecting the deformation amount of the reinforcing steel bar, and the grating light emitter and the grating light receiver are both installed in the detection cavity and located on the two sides of the reinforcing steel bar; the driving assembly is used for fixing the bottom end of the reinforcing steel bar, driving the reinforcing steel bar to rotate along the axis of the reinforcing steel bar and driving the grating light emitter and the grating light receiver to move along the axis of the reinforcing steel bar for deformation detection, so that full-section detection of rotary scanning and axial movement is formed, and light signal changes instead of the relative offset between the two sections are captured section by section. The problem that a traditional laser measuring device is prone to data deviation is solved, a fixing assembly comprises two sets of clamping forks used for clamping the top end of a steel bar, and lubricating assemblies used for lubricating the rotating connecting position of a clamping roller and a support are arranged on the clamping forks.

The invention provides an offshore photovoltaic support foundation construction method, and relates to the field of offshore photovoltaic technologies. The construction method comprises the steps that a pile driving barge and a pile foundation are transported to a first to-be-laid area of the sea surface, the pile driving barge comprises a lifting device, the lifting device comprises a first rigging and a second rigging, and the pile foundation comprises a column body, a first lifting lug arranged at the first end of the column body and a second lifting lug arranged at the second end of the column body; the first rigging is connected with the first lifting lug, and the second rigging is connected with the second lifting lug; the first rigging and the second rigging are lifted to lift the pile foundation to a preset position; the first rigging is lifted, and the second rigging is lowered, so that a preset angle is formed between the pile foundation and the sea surface; and the pile foundation is lowered through the first rigging, so that the pile foundation goes deep into a seabed mud layer corresponding to the first to-be-laid area. According to the construction method, the mounting difficulty of the pile foundation can be reduced, and the mounting efficiency and the mounting stability are improved.

The utility model discloses a printing equipment for printing fabric processing relates to printing fabric processing technical field, including the machine case, the printing mechanism is fixedly installed in the middle part in the machine case, the input of one side of machine case is equipped with preheating mechanism, and the output of the other side of machine case is fixedly installed with drying mechanism. The utility model adopts the above structure, and during the application of this technical scheme, the upper and lower printing plates are oppositely arranged through the staggered design of the printing mechanism, and the synchronous drive of the adjusting assembly is matched, so that one-time printing of both sides of the fabric can be realized during use, the fabric does not need to be turned over and reworked, the production process and time cost are reduced, positioning deviation caused by secondary processing is avoided, and the printing quality stability and production efficiency are improved, solving the problems that the existing device can only print one side, and secondary processing leads to low efficiency and positioning deviation.

The present disclosure provides a model training method and device, the method comprising: constructing an initial network model, including: a backbone network, a region proposal network, a mask network and a recognition network based on an attention mechanism. The backbone network performs feature extraction on the input image to obtain a feature map. The region proposal network is used to generate a candidate target frame. The mask network obtains a mask prediction result based on the feature map and the candidate target frame. The recognition network obtains a classification prediction result and an outer box prediction result based on the above-mentioned feature map, the candidate target frame and the mask prediction result. Obtain multiple training images and labels of each of the multiple training images, and the label of any training image includes: the category, outer box and mask of the target object in any of the training images. Use the multiple training images and the labels of each of the multiple training images to train the initial network model to obtain a target network model. The present disclosure also provides a map drawing method and device, a computer device and a medium.

The present invention provides a vertical lathe-milling compound machine tool, comprising a vertical lathe base, a workbench arranged on the vertical lathe base, three brake units arranged around the bottom of the workbench, a horizontal column arranged on the vertical lathe base, an X-direction transmission component and a Y-direction transmission component arranged on the horizontal column to drive the cutter disc to rise and fall and move horizontally, a beam frame arranged on the side wall of the vertical lathe base, a material rack slide arranged on the beam frame, a beam arranged on the beam frame, a feeder horizontal drag arranged on the beam, and upper and lower mechanical arms arranged on the feeder horizontal drag. The floating brake seat is driven to move by an adjustable pressure oil cylinder, and then the floating brake seat is fixed by an ejection type floating support cylinder, so that the brake teeth are meshed with the cylindrical gear under the workbench. When the workbench needs to be positioned, the clutch brake component controls the brake teeth to stop rotating, thereby stopping the workbench from rotating. Not only is the positioning accurate, but also the wear on the cylindrical gear is reduced.

The present invention relates to the field of brazing technology, and in particular to a vacuum brazing fixture. A vacuum brazing fixture is used for connecting and positioning a divertor wall unit and a heat sink material, comprising a bottom plate, bolts, an upper fixing block, a lower fixing block, a spring sheet and a positioning block; the force applied by the nut is converted into a balanced force along the bolt column through the design of the upper and lower fixing blocks and the upper and lower spring sheets, and the force is used to achieve accurate positioning between different modules through the positioning block through the cooperation of the bottom plate and the bolt column.

The utility model provides a kind of foundry air passage positioning core mould device, belong to mechanical processing field.The utility model a kind of foundry air passage positioning core mould device includes first core mould, second core mould, first spring, second spring, bush and plug, the first spring and the second spring are equipped on the plug, the first core mould and the second core mould coaxial assembly and are all T type structure, the second core mould center inside is equipped with stepped hole, the first core mould is coaxially nested in the second core mould, the bush is wrapped in the second core mould outside, the bush is detachably connected with the plug.The utility model can realize foundry air passage accurate positioning, effectively improve exhaust manifold machining precision, reduce positioning jam risk.

The application relates to the technical field of building contour extraction, and discloses a building roof contour extraction method and device, electronic equipment and a storage medium, the method comprising the following steps: extracting a building boundary from an optical remote sensing image, and extracting a building vector frame from a vector map; performing global search in an initial search space by using a normalized cross-correlation similarity measure, performing template matching, and preliminarily positioning a building roof contour; calculating a global offset main direction angle, setting an angle tolerance, taking the global offset main direction angle as a central axis, taking the angle tolerance as a half width, generating a sector search space, performing local optimization in the sector search space by using the normalized cross-correlation similarity measure, performing template matching, iteratively adjusting the angle tolerance, converging the sector search space, repeatedly performing template matching, and obtaining a final building roof contour. The application carries out hierarchical matching from global search to local optimization, uses the normalized cross-correlation similarity measure template matching, and realizes building roof contour extraction.

The present application relates to the technical field of oral cavity instruments, in particular to a kind of implant peri-implantitis minimally invasive debridement and administration integrated device, including base, the upper surface of support seat is equipped with box body, box body side surface is connected with debridement head, irrigation head and administration head, box body bottom is equipped with cable electrically connected with debridement head, box body bottom is equipped with first hose and second hose respectively connected with irrigation head, administration head, the upper surface of support seat is rotatably connected with supporting arm by positioning element, vertical cylinder bottom is provided with round hole, round hole is inserted with suspender, suspender upper end is equipped with limit disc, and compression spring is arranged between limit disc and round hole, the compression spring is sleeved on suspender, and suspender lower end is equipped with elastic sleeve for being connected on cable, first hose and second hose, the present application has the following beneficial effects: medical staff when holding debridement head, irrigation head or administration head need not overcome pull load, reduce wrist and arm fatigue, realize more subtle, more stable intraoral operation.

The utility model discloses a fine positioning repasting device, which relates to the technical field of surface mounting equipment, and comprises a feeding table, a surface mounting table and a material taking device, a material belt is supported on the surface mounting table, a plurality of sticky repasting parts are arranged on the material belt at intervals, a jig is provided with an open slot penetrating through two ends, the material belt penetrates through the open slot, and the material belt penetrates through the open slot. The surface of the jig is provided with a plurality of discharging cavities, the discharging cavities are communicated with the open groove, the transferring and pasting part is located below the discharging cavities, the side wall of each discharging cavity is provided with an inclined face section, the inner diameter of each inclined face section is gradually reduced in the vertical direction, the material taking device is provided with a suction nozzle used for sucking workpieces, and the suction nozzles suck the workpieces from the material disc and then move the workpieces into the discharging cavities. The suction nozzle can drive the workpiece to penetrate through the inclined surface section, the workpiece is prevented from turning over on the inner side of the discharging cavity, the mounting quality of the workpiece is guaranteed, when the suction nozzle loosens the workpiece, the workpiece falls into the transfer part, the workpiece falls into the transfer part of a material belt through the discharging cavity of the jig, mounting positioning is achieved, the mounting precision of the workpiece is improved, and the production efficiency is improved.

The utility model discloses a tool rest of a rotary cultivator, which is used for mounting a blade of the rotary cultivator and comprises a supporting piece, a tool rest and a tool rest, the two connecting assemblies are symmetrically arranged and installed at the two ends of the supporting piece; the knife rest penetrates through the supporting piece to be connected with the connecting assembly, a plurality of blade assemblies are installed on the knife rest, the knife rest is arranged to be a spline shaft, each blade assembly comprises two oppositely-arranged blades and a connecting base, a through hole is formed in the middle of each connecting base, and the through holes are matched with the splines of the knife rest so that the connecting bases can be connected to the knife rest in a clamped mode. And the two oppositely arranged blades are connected with the outer side of the connecting seat. The problem that the blade of the rotary cultivator is difficult to install and unstable is solved.

This invention relates to a gear welding device and method for a press, belonging to the field of press manufacturing. The technical solution is as follows: A gear welding device for a press includes a work platform with a ground rail. A transfer trolley is movably mounted on the ground rail to carry the gear to be welded. Positioners are mounted on both sides of the ground rail, each equipped with a rotatable gripper. A gantry frame is also mounted on the work platform, spanning the ground rail. A welding robot is movably mounted on the gantry frame, its movement direction being horizontal and perpendicular to the ground rail. The welding robot is equipped with a machine vision module. This solution, through the positioner grippers, can precisely achieve 180° rotation of the gear, providing a stable posture adjustment basis for double-sided welding. The welding robot, combined with the machine vision module, enables automated and high-precision acquisition of weld information, providing data support for intelligent welding path planning.

The utility model relates to the technical field of forging die, especially to a forming die of heat pipe support, including the upper die plate and lower die plate of each other corresponding cooperation, the one end of upper die plate faces the lower die plate and is equipped with male die part, the one end of lower die plate faces the upper die plate and is equipped with female die part, when forging and pressing form, male die part and female die part each other butt joint, make male die part insert female die part, form the forming area of heat pipe support, through specific spacing structure between the upper die plate and lower die plate keep the clearance of preset height in the side of female die part, thereby form the extension area, the extension piece of heat pipe support one side is forged and pressed and forms. Above all, the utility model discloses an innovative structure design, reduces the cost, promotes the efficiency, realizes the integrated precision forming of heat pipe support multi -position complex structure, and the product performance and production economy are improved significantly.

This utility model provides a battery material ton bag cutting and opening device, belonging to the field of battery material processing technology. Specifically, it includes a housing, a base on one side of the housing, and a loading platform and a unloading platform on opposite sides of the base. A first servo motor is fixedly installed inside the base, and a fixed seat is fixedly installed at the output end of the first servo motor, with the fixed seat slidably connected to the base. A cutting table is slidably connected between the inner walls of the two sides of the base. A second servo motor is fixedly installed inside the base, and its output end is fixedly connected to the cutting table. This application constructs a complete automated process from positioning and fixing the ton bag after loading to adjusting the cutting posture by using the first servo motor to drive the fixed seat to slide, the third servo motor to drive the clamping plate to hold, and the second servo motor to drive the angle adjustment of the cutting table. This significantly reduces the intensity of manual labor and avoids positioning deviations caused by manual operation, laying the foundation for subsequent precise cutting.

The utility model relates to heating device technical field discloses an easy -open cover scribing line heating device, including organism, the top fixed connection of organism has fastening mechanism, the right side fixed connection of fastening mechanism has cleaning mechanism, the cleaning mechanism includes support plate no.

The utility model relates to a kind of plug filling nitrogen head structure. Including filling nitrogen head body, inside is formed with the first passageway passing through bottom, respectively with first vacuum air path and nitrogen gas path intercommunication, first vacuum air path is configured to carry out vacuumizing operation to container inside, nitrogen gas path is configured as to fill into nitrogen gas in container;Plug rod, inside is formed with the second passageway passing through bottom, with second vacuum air path intercommunication, second vacuum air path is configured to carry out vacuumizing to plug rod inside, for the sealing assembly of plug rod bottom suction and container mouth sealing of container, the lower end of plug rod and filling nitrogen head body movably connect, upper end and driving mechanism connect, under the driving of driving mechanism, plug rod moves in the first passageway inside filling nitrogen head body, to seal sealing assembly in container mouth, first vacuum air path and nitrogen gas path are integrated in filling nitrogen head body, realize the continuous operation of vacuumizing in container and filling nitrogen;Stable fixed sealing assembly by vacuum adsorption, improve sealing reliability.

The utility model relates to the technical field of plastic processing equipment discloses hot cutting device for waistcoat bag production, including the bottom plate, the top of bottom plate all is connected with two mounting plate no.

The present invention relates to the field of sealed packaging of cooked food, specifically to a sealed packaging device for cooked food, comprising a workbench, a material transfer disc is rotatably mounted on the upper end of the workbench, and a capping unit and a heat sealing unit are provided on the upper end of the workbench, which are respectively located on the left and rear sides of the material transfer disc. The capping unit used in the present invention can guide and limit the adsorption, transfer and placement process of the cap, ensuring that the cap can be accurately placed in the correct position on the packaging box to avoid offset or misalignment, thereby improving the accuracy of heat sealing, and at the same time, it can also prevent the cap from shaking during movement, so that the cap can be stably placed on the packaging box, avoiding positioning deviation caused by shaking, ensuring that the placement position of each cap is consistent, thereby improving the quality consistency of the product.

The invention provides a die casting forming method and device. The die casting forming method comprises the steps that a die casting semi-finished product is obtained; carrying out cinder ladle removal operation on the die casting semi-finished product; the die casting semi-finished product with the slag ladle removed is placed on a laser cutting platform; and controlling a laser cutting robot to carry out laser cutting on the part, connected to each connecting branch part, of the die casting main body along the laser cutting path. Compared with a traditional mode of mechanically shearing a water gap part of the die casting by a shearing die, the die casting forming method disclosed by the invention has the advantages that the early-stage debugging period is greatly shortened, the production efficiency of the die casting is improved, the part, connected to each connecting branch part, of the die casting main body is relatively smooth after laser cutting, and the production efficiency of the die casting main body is improved. And the problems of quality defects such as shear crushing damage, cracks and more water gap residues of the die casting are effectively avoided.

This invention belongs to the field of automated assembly technology and discloses a fixed-angle assembly and welding device and method for components with different planes. The fixed-angle assembly and welding device for components with different planes uses the rotation drive of the first angle adjustment component to switch the first assembly plane and the second assembly plane, which are set at a preset angle on the semi-finished frame, to be set horizontally. With the adsorption component of the feeding unit adsorbing and assembling the component to be assembled, the continuity and efficiency of the assembly operation between the semi-finished frame and the component to be assembled are improved, and the assembly convenience is also improved. Moreover, the positioning plane of the positioning component is flush with the assembly plane of the semi-finished frame, which avoids the positioning deviation of the component to be assembled on the assembly plane, limits the displacement or tilting of the component to be assembled on the assembly plane, improves the welding efficiency between the component to be assembled and the semi-finished frame, and improves the stability and reliability of the fixed-angle assembly and welding device for components with different planes.

The utility model relates to a damper and discloses a gear damper, which comprises a mounting seat (10), a positioning hole (101) is arranged on the mounting seat (10), an elastic body (11) made of high polymer materials is mounted in the positioning hole (101), the elastic body (11) is radially limited in the positioning hole (101), a through mounting hole (111) is arranged on the elastic body (11), a connecting shaft (12) is in interference fit with the mounting hole (111), and the elastic body (11) and the connecting shaft (12) rotate relatively. The high polymer material serves as a damping material, has good elastic buffering and deformation recovery capacity, can absorb impact energy in the rotating process through self elastic deformation, reduces rigid friction between the connecting shaft and the elastic body, and accordingly improves the stability of relative rotation.

The invention provides a machine room inspection and supervision method and system based on track coverage. The method comprises the following steps: acquiring real-time video streams of a plurality of monitoring cameras deployed in a machine room inspection area; analyzing each frame of image of the real-time video stream by using a pre-trained visual target detection model, identifying an inspector target in the image, and determining a detection frame and pixel coordinates of the inspector target in an image coordinate system; executing a target position mapping step, and converting pixel coordinates of the inspector target in different monitoring camera images into plane graph coordinates on a machine room electronic plane graph based on a predefined coordinate mapping relation; a multi-view track merging step is executed, space-time fusion is carried out on plane graph coordinates from different monitoring cameras, and a continuous moving track of the inspection personnel on the electronic plane graph is generated; and executing inspection supervision based on the continuous moving track, and judging whether the inspection work of the inspector meets a preset requirement or not.

The invention discloses a front axle split charging device and a front axle positioning method, and belongs to the technical field of automobiles, the front axle split charging device comprises a workbench, an X-direction front clamping mechanism and an X-direction rear clamping mechanism are arranged at the upper end of the workbench, the X-direction front clamping mechanism clamps a front spring eye of a plate spring in the X direction, and the X-direction rear clamping mechanism clamps a rear spring eye of the plate spring in the X direction; a first YZ-direction positioning assembly is further arranged at the upper end of the workbench, located below the X-direction front clamping mechanism and the X-direction rear clamping mechanism and connected with the bottom of the front spring eye and the bottom of the rear spring eye in an abutting mode. A second YZ-direction positioning assembly is arranged in the middle of the X-direction front clamping mechanism and inserted into the middle of the front spring eye. A composite positioning structure is formed through the first YZ-direction positioning assembly and the second YZ-direction positioning assembly, and secondary positioning of the leaf spring eye is achieved.

The utility model discloses a flange inclined hole machining device which comprises a bottom plate, at least four lifting air cylinders are arranged above the bottom plate, output shafts of the four lifting air cylinders are sleeved with sleeves, the upper portions of the four sleeves are jointly and fixedly connected with a circular ring, and a fluted disc is arranged above the circular ring in a sliding fit mode. An electric cylinder is arranged above the fluted disc, a sliding rod is arranged below the fluted disc in a sliding fit mode, an output shaft of the electric cylinder penetrates through a through hole formed in the fluted disc to be connected with one end of the sliding rod, and a first connecting rod and a second connecting rod which are movably connected with each other are arranged between the other end of the sliding rod and the fluted disc. A driving gear and an auxiliary gear of a second motor are meshed with the outer edge tooth part of the fluted disc, so that accurate angle adjustment of the fluted disc is realized; the motor controls the rotation angle of the fluted disc, manual flange position adjustment is avoided, and angle consistency of inclined holes is ensured.