523 results about "Irregular shape" patented technology

The invention relates to a surrounding rock over-break and under-break detection method and a monitoring and early warning system for a curved tunnel, and belongs to the technical field of tunnel engineering. The method comprises the following steps: firstly, based on supervision of a bounding rectangle and a design file, quickly extracting a median line of a tunnel; the median line is used as a framework of the tunnel form and can accurately reflect the bending degree and direction of the tunnel; then, the meso-line infinitesimal vertical line cluster technology is utilized to realize refined extraction of the tunnel section, and it is ensured that high-precision section data can be obtained even in a complex bent tunnel; on the basis, the quasi-Monte-Carlo method is introduced to calculate the back-break volume, the quasi-Monte-Carlo method serves as an efficient numerical integration method, the volume of a complex geometric body can be approximately solved through statistical analysis of random samples, and the method is particularly suitable for back-break calculation of irregular bodies such as tunnels and has the advantages of being high in calculation efficiency, high in calculation accuracy and high in calculation precision. According to the method, the calculation precision is improved, the calculation time is remarkably shortened, and powerful support is provided for instant decision making of a construction site.

The invention discloses a fiber fabric defect detection method and device, relates to the technical field of fiber fabric defect detection, and solves the problems that in the prior art, a model is low in robustness and accuracy when processing complex backgrounds, small-size defects or extreme length-width ratio defects, and light weight and detection performance are difficult to consider at the same time. The method comprises the steps that a data set and an SRSE-YOLO model are constructed, an SCConvBS module, an RL-SPPF module, an SCE-C2f module and an Inner-DIOU loss function are introduced into the SRSE-YOLO model on the basis of a YOLOv8 model, a small target detection head with the scale of 160 * 160 is added, then model training and application are carried out, the capturing capacity of complex textures and detail features can be enhanced, and the capturing efficiency of the SRSE-YOLO model is improved. Compared with the prior art, the method has the advantages that the calculation amount and the parameter amount are reduced while the detection precision is improved, effective fusion of multi-scale features of the model is realized, the detection performance of small or irregular-shaped defects is improved, and the recognition rate of the small defects and the precision of a detection frame are greatly improved.

The utility model discloses an anchor chain take-up and pay-off device for a ship, which relates to the technical field of ship equipment and comprises a base, a winding machine is mounted at the top of the base, a rotating shaft is rotatably connected to the top of the base, a guide wheel is fixedly connected to the outer side of the rotating shaft, grooves are equidistantly formed in the outer side of the guide wheel, and an annular groove is formed in the outer side of the guide wheel. The guide wheel is provided with the grooves and the annular grooves, the guide wheel can perfectly fit with the shape of an anchor chain, the anchor chain is more stable in the winding and unwinding process, and the guide wheel is more stable in winding and unwinding process, more stable in winding and unwinding process, more stable in winding and unwinding process, more stable in winding and unwinding process, more stable in winding and unwinding, more stable in winding and unwinding, and more stable in winding and unwinding. The clamping or disorder phenomenon caused by the irregular shape of the chain ring is avoided, the efficiency of winding and unwinding the anchor chain is improved, and potential safety hazards caused by misoperation or equipment failures are reduced.

The utility model discloses a cargo storing and taking mechanism, a cargo storing and taking robot and a cargo storing and taking system, relates to the field of automatic cargo storing and taking, and aims to meet the storing and taking requirements of various cargoes in different shapes. The goods storing and taking mechanism comprises a supporting base, a clamping mechanism and a blocking mechanism. The supporting seat comprises a supporting piece; the clamping mechanism comprises a sliding assembly and clamping parts arranged in pairs, the sliding assembly is slidably installed on the supporting piece in the first direction, and the clamping parts are movably installed on the sliding assembly in the second direction. The blocking mechanism comprises a second blocking piece and a first blocking piece, the second blocking piece is installed on the supporting piece, and the first blocking piece is movably installed on the sliding assembly in the third direction; wherein the first direction and the second direction are located in the horizontal plane and intersect, and the third direction is different from the first direction and the second direction. The goods storing and taking mechanism can be suitable for goods in regular shapes and goods in irregular shapes, the working modes are multiple, and the functions are richer.

The invention belongs to the technical field of feed conveying, particularly relates to a silage aggregate conveying device and method, and aims to solve the problem that stable operation of a conveying belt is affected due to uneven load on the conveying belt during bearing when caked silage is conveyed, the silage aggregate conveying device comprises a tool bottom plate, and two conveying plates are fixedly connected to the tool bottom plate; a plurality of round holes are formed in the two sides of the two conveying plates, and the interiors of the two opposite round holes are connected with the same rotating shaft through bearings; the conveying belt is in transmission connection with the exteriors of the multiple rotating shafts, and the conveying belt is used for conveying the silage; and the conveying motor is arranged on one side of one conveying plate. The silage collecting and conveying device and method have the advantages that caked silage irregular in shape and inconsistent in height can be flatly laid and disassembled, so that the conveying belt is uniform in bearing stress, and stable operation of the conveying belt is improved.

To provide a stainless steel and the like excellently bondable to a non-metal material.SOLUTION: A stainless steel (1) has an irradiation part (2) irradiated with pulse laser (PL) at least in part on a surface (10). The irradiation part (2) includes a plurality of recesses and a plurality of protrusions adjacent to the recesses. The recesses and the protrusions are in indeterminate forms respectively. The protrusions have a width of 0.1 μm or more and 200 μm or less in a planar view, a gap between the protrusions located with the recesses in between is not beyond 300 μm, and a surface expansion ratio in the irradiation part is 1.1 or larger.SELECTED DRAWING: Figure 1

The invention belongs to the technical field of oil and gas field development, and particularly relates to an experimental determination method for the debris settling velocity of an irregular-shaped bridge plug. The method comprises the following steps: collecting bridge plug scraps flowback on site, classifying and testing the volume and density of the bridge plug scraps according to the material of the bridge plug scraps, measuring the shape parameters of the bridge plug scraps by using an image processing method, combining five bridge plug scrap shape characterization parameters of roundness, aspect ratio, radius ratio, sphericity and equivalent diameter, and taking a correlation coefficient R2 as an evaluation index, the correlation among the shape parameters of the bridge plug chippings is compared, the aspect ratio, the radius ratio and the roundness are determined to serve as main parameter characteristic parameters of follow-up calculation, the settling speed of the bridge plug chippings is measured through a static settling experiment, and a drag coefficient model suitable for the bridge plug chippings in the irregular shape is established on the basis of a spherical drag coefficient model. The model is fitted by using the measured settling velocity data, and theoretical support is provided for the design of the debris flowback flow parameters of the bridge plug of the shale gas horizontal well.

The utility model discloses an adjustable supporting clamp, which is applied to the technical field of supporting clamps, and is characterized by comprising a base and a plurality of floating supporting seats which are movably connected to the base along the vertical direction based on a lifting adjusting component, a plurality of floating supporting rods used for abutting against and supporting the bottom face of the special-shaped workpiece are evenly and movably connected to the floating supporting base on the basis of the floating assembly, and a crimping block used for crimping the top face of the special-shaped workpiece is further slidably connected to the floating supporting base on the basis of a sliding rod. The supporting device has the technical effects of being simple in structure and capable of meeting the supporting requirements of workpieces in irregular shapes.

The invention relates to the technical field of clamps, in particular to an industrial robot welding clamp device which comprises two supporting seats, rotating seats are rotatably mounted on the inner walls of the top ends of the two supporting seats, a welding supporting plate is jointly and fixedly mounted on the inner sides of the two rotating seats, and a cavity is formed in the top end of one supporting seat. According to the fixing clamp, a to-be-welded part can be clamped, the friction between the to-be-welded part and the fixing clamp can be improved through a rubber material, the stability of the to-be-welded part in the clamping process can be improved, the to-be-welded part in an irregular shape can be stably clamped to the inner side of an anti-sliding block through arrangement of a clamping groove, and the applicability of the fixing clamp can be improved; and meanwhile, an anti-skid block on the inner side of the fixing clamp can be cooled, a welding part in the welding process is further cooled, the situation that the fluidity of molten metal of the welding part is enhanced due to the fact that the temperature is too high in the welding process can be avoided, and the defects of too wide welding seams, uneven surfaces, undercuts and the like can be avoided.

The utility model belongs to the technical field of circular knife machines, and particularly discloses a circular knife machine capable of preventing materials from deviating during die cutting, which comprises a workbench, two fixing plates are arranged above the workbench, and a deviation preventing component is arranged between the two fixing plates. The deviation preventing assembly comprises two connecting rods, the two connecting rods are fixedly connected with the corresponding fixing plates respectively, the opposite ends of the two connecting rods are both fixedly connected with limiting boxes, and the inner sides of the two limiting boxes are both provided with limiting grooves. The two sides of the material are blocked and limited by the limiting boxes and the arc-shaped blocks and cannot exceed the limited range, so that the limiting effect is achieved in the horizontal direction, the material is prevented from deviating in the machining process, the die cutting precision and accuracy are improved, the problems of size deviation, irregular shape and the like caused by deviation are reduced, and the production efficiency is improved. Therefore, the quality and the consistency of products are improved.

The invention discloses a three-dimensional S-shaped bent inner concave runner design method and system. The design method comprises the following steps that a runner inlet molded line and a runner outlet molded line of a supersonic speed stamping runner are obtained; n discrete points are extracted in the circumferential directions of the inlet molded line and the outlet molded line to form N groups of inlet and outlet discrete point pairs; the change rule of S-shaped curve parameters is set in the circumferential direction of the runner inlet molded line / runner outlet molded line, and N S curves are obtained; acquiring a coordinate set of N * M discrete points on the curve set by M parallel interception planes; enveloping to generate an S-shaped curved surface, calculating the area of the two-dimensional cross section graph, and obtaining a flow channel sectional area change rule in the flow direction and a slope change rule of a center curve of the S-shaped curved surface; and judging whether the design is reasonable. The method can be suitable for computer-aided design of flow channels transited from various patterns including irregular patterns to circles or ellipses, and can meet the design of flow channels with offset inlet and outlet positions.

The invention relates to the technical field of mechanical arms, and particularly discloses an automatic clamping mechanical arm for a three-proofing cloth processing production line, which comprises an automatic mechanical clamping arm and a grabbing mechanism, and the grabbing mechanism is arranged on the front side of the automatic mechanical clamping arm; the outer wall of the grabbing mechanism is slidably sleeved with the telescopic frame, telescopic grooves are formed in the upper end and the lower end of the front side of the telescopic frame, moving grooves are formed in the left end and the right end of the front side of the telescopic frame, and first sliding grooves are formed in the left side and the right side of an inner cavity of each telescopic groove in the front-back direction; the front and rear ends of the first guide rod are respectively arranged on the front and rear sides of the inner cavity of the first chute. According to the device, efficient and stable grabbing and carrying of the three-proofing cloth with the irregular shape after cutting are achieved, falling and distortion of the three-proofing cloth in the carrying process are effectively prevented, it is guaranteed that the surface of the three-proofing cloth is smooth and free of wrinkles, and therefore the appearance quality of the three-proofing cloth is directly improved, and a good foundation is laid for subsequent procedures.

The invention discloses a partitioned cold deformation method and device for a complex forge piece, and belongs to the technical field of material machining, the method comprises the following steps: a, the forge piece is partitioned, a first lug piece used for clamping the forge piece is arranged on one side of the forge piece, and a second lug piece used for clamping the forge piece is arranged on the other side of the forge piece; b, a forge piece is placed on a lower die, and a first lug piece and a second lug piece are pressed and fixed through a lower die pressing plate; and c, the lower die is moved, the to-be-cold-pressed area of the forge piece is moved to the area corresponding to the upper die, and subarea cold pressing is conducted in sequence. Through rigid fixing of the lug and dynamic displacement of the lower die, full-area accurate positioning of the complex forge piece under one-time clamping is achieved, the problems of unstable clamping of irregular shapes and repeated positioning errors are effectively solved, and efficient and uniform reduction of the residual stress of the complex forge piece is achieved through partitioned cold pressing.

The invention belongs to the technical field of numerical control tool production, and particularly relates to a hardness detection device for numerical control tool production. A detection head is mounted in the middle of the detection machine body; the middle part of the detection machine body is fixedly connected with a first fixing frame; the inner wall of the first fixing frame is slidably connected with a toothed rail. The outer wall of the toothed rail is fixedly connected with two sets of supporting pieces. The middle of the supporting piece is rotationally connected with a tooth block, and the tooth block and the tooth rail are arranged in a mutually-meshed mode. The top of the toothed rail is fixedly connected with a tray, and the tray is located at the bottom of the detection head. The middle of the tray is slidably connected with a fixing strip. By means of the matched fixing strips, the problem that materials placed in the middle of the tray are in irregular shapes, so that the materials are difficult to clamp and fix through original planar fixing strips can be solved, the follow-up detection precision of the materials is improved, meanwhile, in the descending process of the tray, the fixing work on the materials can be loosened, and the material mounting and dismounting time is shortened.

The utility model relates to the technical field of mechanical welding, and discloses a welding device for packaging machinery, which comprises a welding table, sliding rails I are arranged on the two sides of the surface of the welding table, screw rod assemblies are mounted between the two sliding rails I, a sliding seat I and a sliding seat II are mounted on the screw rod assemblies on the two sides respectively, and sliding rails II are fixed on the tops of the sliding seat I and the sliding seat II; a supporting table and a mounting frame are arranged on the two second sliding rails in a sliding mode correspondingly. According to the mechanical welding requirements, the mechanical parts are installed in the first welding frame and the second welding frame, then the screw rods at the two ends are adjusted correspondingly, the screw rods push the abutting blocks to be tightly attached to the outer surfaces of the mechanical parts, and clamping and positioning are formed. According to the multi-point and multi-mode clamping and positioning structure, stable clamping force can be applied to the mechanical part from different directions, and the part is effectively prevented from displacing, shaking or rotating in the welding process. For mechanical parts with irregular shapes, especially cones with inclined planes or curved surfaces and the like, the flexible and accurate clamping mode can be better attached to the surfaces of the parts.

The invention provides a method for manufacturing an oral titanium film for dental implant guided bone regeneration, which comprises the following steps of: 1, performing three-dimensional reconstruction according to oral imaging data of a patient to obtain a three-dimensional model containing an alveolar bone defect area; 2, based on the obtained three-dimensional model, in combination with curvature characteristics of an alveolar bone defect area corresponding to the three-dimensional model, manufacturing a mold capable of performing constraint pressing on the titanium mesh plate; the manufactured mold comprises a male mold and a female mold matched with the male mold in shape, and a gap is formed between the male mold and the female mold. 3, pressing the titanium screen plate by adopting the manufactured mold to obtain a formed titanium film; and 4, the obtained formed titanium film is subjected to cutting and edge grinding, and the oral cavity titanium film is obtained. According to the method, the mode that the mold is manufactured firstly and then the titanium film is manufactured is adopted, the problem that an irregular shape or discomfort possibly generated when a titanium mesh is bent manually in a traditional mode is solved, the strength of the titanium film can be well guaranteed, and better supporting and stability are achieved.

The invention relates to vise pivotal jaws for holding irregular shaped objects that are removable and modular to work on other prior art vises. The design allows ease of disassembly for cleaning and reassembly.

To provide a substrate that improves adhesive strength.SOLUTION: A substrate (10) has a main surface (11) to which a specific adhesive is applied. The main surface has a plurality of recesses formed in a grid pattern or along arbitrary directions and a plurality of protrusions formed with irregular shapes and arrangements by laser processing.SELECTED DRAWING: Figure 1

The invention discloses a cooling device for a vulcanizing machine, belongs to the field of production of rubber products, and aims to solve the problems that a tire is not a simple solid cylinder or a multi-edge irregular shape, the thickness difference of different parts is large, and a tread is provided with complicated pattern grooves due to direct contact with the ground, so that the tire cannot be damaged. The cooling device for the vulcanizing machine solves the problems that due to the structural characteristics, heat distribution on the surface of a tire is extremely uneven, the heat dissipation resistance of a thick-wall part is large, waste heat accumulation is obvious, and cooling blind areas are likely to be formed in a thin-wall part and deep positions of pattern grooves, and comprises a base and a first supporting plate arranged above the base. The first water storage tank is fixedly connected to the lower portion of the base, the second water storage tank is fixedly connected to the upper portion of the first supporting plate, the air rod continues to move downwards to drive the rotating mechanism to rotate, a spray head rotates while spraying water for cooling, and therefore more comprehensive cooling covering on tires is achieved. Therefore, the effect of reducing the cooling blind area is achieved.

The invention relates to a safety valve (1) for an electronic component, wherein the safety valve (1) is designed to be actuated and to achieve a pressure equalization relative to the atmospheric pressure when a predetermined or predeterminable critical internal pressure is reached or exceeded in a housing of the electronic component, wherein the safety valve (1) comprises a membrane (3) and an emergency degassing unit, wherein the emergency degassing unit is designed to pierce and / or cut the membrane (3) when the critical internal pressure is reached or exceeded, such that at least in the pierced and / or cut region of the membrane (3) the fluid permeability of the membrane (3) required and / or desired for the pressure equalization is increased accordingly. According to the invention, in particular, the emergency degassing unit comprises a piercing mechanism in the form of a tooth structure, the piercing mechanism having at least one piercing tooth (5), wherein, viewed in plan view from the at least one piercing tooth (5), the tooth comprises a trilobal, hexagonal, polygonal, star-shaped, quadrangular, X-shaped, K-shaped, C-shaped, Y-shaped or irregular geometric shape.

This invention provides an iterative measurement device and method for the surface shape of a cylindrical axially stressed component, belonging to the field of component measurement technology. It solves the problems of low measurement accuracy, single measurement method, low algorithm efficiency, and insufficient precision of existing measurement devices. This measurement device can detect the perpendicularity of the cylindrical axially stressed component, ensuring its vertical placement. It can stably adjust the height of the probe detection mechanism and the laser measurement mechanism, maintaining stable positions without wobbling, thus satisfying the requirement of measuring the outer contour of the cylindrical axially stressed component's surface twice. By controlling the main unit in conjunction with the probe detection mechanism and the laser measurement mechanism, it achieves rapid and accurate measurement of the cylindrical axially stressed component's appearance shape. The measurement method of this invention does not cause errors in the measured specimen's appearance due to the irregular shape of the track itself. Utilizing an iterative algorithm, it can achieve precise measurement of the appearance of the cylindrical axially stressed component and the track.

The present invention provides an accessory welding device based on mechanical equipment processing, which relates to the field of accessory welding technology, including a base, the main body of the base is a frame structure, and the interior of the base is provided with a limiting airbag in a circular array, the limiting airbag is controlled by an external air pump, and the base is provided with two places, and a guide rail A is fixedly connected to the top surface of the base on the left side, and a transverse groove is provided in the guide rail A, which solves the existing problem that when welding accessories, repeated measurements are required before welding on some parts with irregular shapes or thin inner walls. The design can be used to rotate the grinding block by starting the motor B to perform precise grinding on the welding point. This design can effectively avoid the problem of bulging on the surface of the accessory due to multiple welding during the welding process, which makes the welding of the accessory unusable.

The invention relates to the technical field of LED substrate production, in particular to a positioning device for LED substrate surface mounting, which comprises a base, a workbench, a guide plate, a positioning plate, a fixed seat, a sliding column and the like, a workbench is connected to the base, a guide plate is connected to the middle of the workbench, a guide groove is formed in the guide plate, a positioning plate is slidably connected to the guide plate through the guide groove, a positioning assembly is connected to the guide plate, two fixing seats are connected to the front side of the base, and sliding columns are slidably connected to the sides, close to each other, of the fixing seats. The fixing ring, the rotating ring, the jacking column, the fixing ring, the inserting column, the wedge-shaped block, the connecting plate and the first spring are arranged, the situation that the wedge-shaped block extrudes and damages the base plate due to excessive rotation of the jacking column can be avoided, the contact angle and pressure between the wedge-shaped block and the side wall of the base plate are automatically adjusted, and it is ensured that the base plates of different shapes can be firmly clamped; deviation or uneven tin brushing caused by the irregular shape of the substrate is avoided, and the method can be suitable for positioning of the special-shaped substrate.

1. The name of the designed product: candle (special shape). 2. The use of the designed product: aromatherapy candle. 3. The design points of the designed product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

A goods storage / take-out mechanism, a goods storage / take-out robot (500), and a method, used for meeting the storage / take-out requirements of goods of various different shapes. The goods storage / take-out mechanism comprises a support base (1), a clamping mechanism (2), and a blocking mechanism (3). The support base (1) comprises a support member (11). The clamping mechanism (2) comprises a sliding assembly (21) and clamping portions (22) arranged pairwise. The sliding assembly (21) is slidably mounted on the support member (11) along a first direction (X), and the clamping portions (22) are movably mounted on the sliding assembly (21) along a second direction (Y). The blocking mechanism (3) comprises a second blocking member (32) and a first blocking member (31). The second blocking member (32) is mounted on the support member (11), and the first blocking member (31) is movably mounted on the sliding assembly (21) along a third direction (W). The first direction (X) and the second direction (Y) are located in a horizontal plane and intersect, and the third direction (W) is different from the first direction (X) and the second direction (Y). The goods storage / take-out mechanism can be applied to goods of a regular shape and goods of an irregular shape, and has multiple working modes and richer functions.

The environment-friendly surface roughening treatment device comprises supporting plates and a closed roughening box body, supporting guide columns are fixedly connected to the lower ends of the supporting plates, and reinforcing ribs are fixedly connected to the opposite sides of the multiple sets of supporting guide columns; a closed coarsening box body is fixedly mounted at the upper end of the supporting plate, curved surfaces, uneven parts and the like of plastic parts can be automatically matched through the uniform clamping mechanism and the elastic telescopic function of a clamping rubber head, uniform distribution of clamping force is ensured, and the situation that due to the irregular shape, the local parts cannot be fixed, and the machining precision is improved is avoided. The device is suitable for automobile interior plastic parts with complex shapes such as an instrument panel, a door panel and a center console, ensures that curved surfaces, grooves and the like of the plastic parts can be stably fixed, avoids non-uniform or omission of sand blasting caused by shaking or displacement, and avoids the situation that the curved surfaces, uneven parts and the like of part of the surfaces of the plastic parts cannot be positioned and clamped; and the situation that sand blasting roughening operation cannot be completed on the surfaces of part of plastic parts is avoided.

1. Name of the designed product: Elevator control box (irregular shape). 2. Use of the designed product: for users to control elevators. 3. Design points of the designed product: combination of shape and pattern. 4. Picture or photo that best indicates the design points: perspective view.

The utility model discloses a variable-speed mixing internal mixer which comprises an outer shell, rotating shafts are symmetrically and rotatably connected to the two ends of an inner cavity of the outer shell, spiral blades are evenly arranged on the rotating shafts in the circumferential direction, an end plate is fixedly arranged at one end of the outer shell, and gaps are formed between the ends, close to the end plate, of the spiral blades and the end plate. A cleaning plate matched with the inner cavity of the outer shell is movably arranged at the end, close to the end plate, of the inner cavity of the outer shell, and first through holes matched with the rotating shaft are symmetrically formed in the middles of the two ends of the cleaning plate. According to the variable-speed mixing internal mixer, through the arranged cleaning plate, when the inner wall of the outer shell, the rotating shaft and the outer wall of the spiral blade need to be cleaned, the cleaning plate can be connected with the spiral blade through pushing of the pushing mechanism, and therefore the cleaning plate can be driven to move when the rotating shaft drives the spiral blade to rotate; and the problem that the inner wall is difficult to clean due to the irregular shape is solved.

The utility model provides a biological material fixing assembly. The biological material fixing assembly comprises a sleeve, a fixing plate and an adjusting assembly, the sleeve is of a hollow structure and internally provided with a fixing cavity. At least one part of the adjusting assembly is sleeved with the fixing cavity, and the adjusting assembly seals the fixing cavity and adjusts the depth of the fixing cavity. One end of a to-be-tested biological material with an irregular shape, such as humerus, is placed in the fixing cavity, and the to-be-tested biological material is stably fixed without being damaged by pouring the thermocuring denture resin curing medium into the fixing cavity.