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36 results about "Shape fitting" patented technology
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Positioning method and positioning device
ActiveUS12623354B2Programme-controlled manipulatorProgramme controlMechanical engineeringShape fitting
There are provided a positioning method and a positioning device that can position workpieces by a simple method and configuration. A positioning method includes: gripping at least one of first and second workpieces; obtaining point group data of the at least one gripped workpiece of the first and second workpieces; calculating a translation matrix of shape fitting point group data obtained by adjusting a position of the point group data to reference data in a position adjustment state of the first and second workpieces; calculating an inverse matrix based on the translation matrix; and positioning the first and second workpieces by moving the at least one gripped workpiece of the first and second workpieces based on at least one of the translation matrix and the inverse matrix.
Owner:TAMADIC CO LTD +3
Welding positioning device for automobile seat backrest framework
The invention discloses a welding positioning device for an automobile seat backrest framework, and relates to the technical field of welding positioning, the welding positioning device comprises a case and a core driving assembly, guide sleeves are mounted on two sides of the top end of the case, the core driving assembly is mounted in a cavity of the case, and the core driving assembly comprises an air cylinder fixedly mounted in the middle of the top end of the case. According to the welding positioning device for the automobile seat backrest framework, on one hand, the chuck is driven to symmetrically clamp framework side plates through an inclined surface transmission structure of the inclined wedge and the roller shaft, and the shape fitting design of the lower electrode and the framework side plates is matched, so that the positioning gap of the framework side plates is effectively eliminated, and welding deviation is avoided; on the other hand, the nuts are accurately limited through the positioning grooves of the lifting plates, the sliding plates slide along the side grooves in a guiding mode in the feeding process, the coaxiality of the nuts and mounting holes of the framework side plates is ensured, the welding precision is improved from the framework positioning and nut positioning two dimensions, and the defects of insufficient welding, wrong welding and the like are reduced.
Owner:YANCHENG DAJIE IND CO LTD
Cap unit and container with cap
ActiveCN115123675BLighting and heating apparatusDomestic cooling apparatusElastic componentClassical mechanics
Provided is a lid unit that has superior cleanability of a water-stopping packing and that can maintain the seal achieved by the water-stopping packing well. A water-stopping packing (23) is composed of a ring-shaped elastic member that abuts against a protruding portion (6) that protrudes from the inside of a container main body (2) in its entirety in a state in which a lid main body is installed to the container main body (2), and has a ring-shaped fitting protrusion (23a) that fits into a fitting recess (24), an elastic flange portion (23b) that protrudes from the outer peripheral surface of the fitting protrusion (23a) in the entire diameter direction, and an elastic sleeve portion (23c) that protrudes from between the fitting protrusion (23a) and the elastic flange portion (23b) in the entire downward direction, and in a state in which the lower surface of the elastic flange portion (23b) is in contact with the surface of the protruding portion (6) on the entry side and the outer peripheral surface of the elastic sleeve portion (23c) is in contact with the surface of the protruding portion (6) on the top side, the inner peripheral surface of the elastic sleeve portion is continuously provided downward from the lower surface of the fitting protrusion.
Owner:THERMOS CHINA HOUSEWARES +1
Car operating panel and sleeve wall fixing structure for an elevator
The present application aims to obtain a car operating panel of an elevator in which the rigidity of a sleeve wall can be improved by a method other than increasing the plate thickness of the sleeve wall, and a sleeve wall fixing structure. To this end, the car operating panel of the elevator according to the present application includes a car operating panel main body provided in a car chamber of an elevator; a box-shaped box panel that houses the car operating panel main body; a sleeve wall of the car chamber that can open and close the box panel; a fixing portion fixed to the sleeve wall and formed with a fourth hole portion that opposes a third hole portion formed in an upper surface or a lower surface of the car chamber; a rod-shaped insertion member that passes through a first hole portion formed in the sleeve wall and a second hole portion formed in the box panel in a state in which the sleeve wall is closed; and a rod-shaped fitting member that passes through the fourth hole portion formed in the fixing portion in the state in which the sleeve wall is closed and fits with the third hole portion formed in an upper surface of the car chamber above the sleeve wall or a lower surface of the sleeve wall below the sleeve wall.
Owner:MITSUBISHI ELECTRIC CORP
Highly adaptable automotive electrical connector
PendingCN122267565AIncorrect coupling preventionSecuring/insulating coupling contact membersElectrical connectionElectrical connector
The application belongs to the technical field of automobile electrical connectors, and particularly relates to a high-adaptability automobile electrical connector, which comprises a terminal seat, a flip cover seat, a main shaft and multi-specification terminals, a plurality of specification connecting grooves and a bottom sliding connecting groove are arranged in the terminal seat; the flip cover seat is rotationally connected with the terminal seat through the main shaft and is provided with a T-shaped fitting groove; the multi-specification terminals comprise first, second and third terminals with different structures, each terminal is provided with a hooking part for hooking the main shaft, a limiting protrusion for preventing errors, a clamping protrusion for locking and a switching clamping position, the flip cover seat and the terminals are linked through the main shaft, mechanical interference between the T-shaped fitting groove and the terminal clamping part is utilized to realize synchronous compression, the limiting protrusions at different positions are matched with the corresponding sliding connecting grooves to realize physical error prevention, the application can realize compatible and stable connection of terminals of various specifications on a single base, and the adaptability, assembly error prevention performance and contact reliability in a vibration environment are significantly improved.
Owner:JUSTCONN ELECTRONIC TECHNOLOGY (DONG GUAN) CO LTD
Unsupervised polygonal structural member shape fitting method
The invention discloses an unsupervised polygonal structural member profile fitting method, which belongs to the technical field of railway infrastructure intelligent monitoring and computer vision, and comprises the following steps: acquiring a profile contour point set of a structural member in an image, and describing a straight line where the edge of the structural member is located by a slope parameter and a translation parameter corresponding to the slope parameter; constructing an objective function based on the distance between the contour point and the straight line, optimizing a slope parameter and a translation parameter, minimizing the objective function to train a neural network model, generating a slope parameter and a translation parameter corresponding to the predicted optimal straight line, and obtaining a contour point set corresponding to the contour image of the to-be-detected structural member. And generating an optimal slope parameter and an optimal translation parameter through the trained neural network model, generating an optimal straight line, and obtaining the appearance of the polygonal structural member through the intersection points between the straight lines. According to the invention, accurate fitting and state detection can be carried out on the appearance of the polygonal structural member, so that accurate and efficient real-time monitoring of railway infrastructures is realized.
Owner:HANGZHOU HUIJING TECH
A curtain fabric and its weaving process
The application discloses a curtain fabric and a weaving process thereof, which comprises a first area, a second area and a third area, and the first area, the second area and the third area are arranged in the order of one first area, one second area, one first area and one third area along the length direction of the fabric. The natural close effect is formed by the V-shaped fitting structure of the second area and the wave-shaped fitting structure of the third area. In the natural state, the adjacent second convex area spontaneously covers the second base cloth area, the adjacent third convex area completely covers the third base cloth area, the first convex area is twisted by connection to cover the first base cloth area, the light-shielding property of the fabric is ensured, the second convex area is arranged in a V shape, the loops of the second convex area are in the mutual holding state, the fiber cannot be pulled out, the third convex area is in a wave-shaped structure, the loops are continuously curved and held along the width direction of the fabric, the fiber is prevented from falling off through the structure self-locking, and the fiber floating and falling off is reduced.
Owner:ZHEJIANG LEZHU TEXTILE TECH CO LTD
Shape detection method, shape detection apparatus, shape detection system, and storage medium
The invention discloses a shape detection method, a shape detection device, a shape detection system and a storage medium, and belongs to the technical field of image processing. The shape detection method comprises the steps of performing shape detection on a to-be-detected image corresponding to a to-be-detected piece based on a shape detection model to obtain an initial detection result; screening the first detection shape according to the detection score to obtain a second detection shape; performing discrete sampling on the second detection shape to obtain a plurality of first sampling points; performing position optimization on the plurality of first sampling points based on the gradient of the to-be-detected image to obtain a plurality of corresponding second sampling points; and performing shape fitting on the plurality of second sampling points to obtain a third detection shape as a shape feature of the to-be-detected piece. Thus, for the to-be-detected image of the to-be-detected piece obtained in a complex scene, accurate shape features can be extracted, and then the precision of follow-up execution of industrial detection tasks such as positioning and size measurement of the to-be-detected piece is guaranteed.
Owner:SHENZHEN LINGYUN VISION TECH CO LTD
Tandem thrombin determination kit
ActiveCN224146609UAssembly and disassembly operations are laggy and laboriousImprove convenienceRigid containersExternal fittingsAssayBiology
The utility model provides a tandem thrombin determination kit, which relates to the technical field of medical detection kits and comprises a kit body, and four connecting short shafts are symmetrically and fixedly connected to one end of the kit body; the head ends of the four connecting short shafts are fixedly connected with a series-connection assembly, the series-connection assembly is integrally formed by two symmetrically-distributed U-shaped assembling sleeves, a row of arc-shaped connecting plates arranged between the two U-shaped assembling sleeves and a row of vertical force transmission plates arranged between the row of arc-shaped connecting plates, and a T-shaped sliding groove is formed between the two U-shaped assembling sleeves. A T-shaped connecting piece is integrally formed at the other end of the kit body, and the T-shaped connecting piece is slidably assembled and fixedly connected with the series-connection assembly through a T-shaped sliding groove. Through the mechanism for temporarily removing the positioning force, the positioning force can be temporarily removed when the kit body is assembled and disassembled, and the situation that the assembling and disassembling operation of the kit body is not smooth and wastes labor due to the fact that the positioning force needs to be overcome when the kit body is assembled and disassembled is avoided.
Owner:XIMAI DIAGNOSTIC TECHNOLOGY (SUZHOU) CO LTD
Condenser holder
This product is a holder used to attach a wire condenser (condenser) consisting of a cylindrical tube and multiple wires to, for example, the back of a refrigerator. The holder is made of a single molded piece, and its upper part has three horizontally reclined C-shaped fitting parts in the front-to-back direction for fitting and holding the cylindrical tube. The front part of the holder has horizontally reclined L-shaped latching pieces and elastically deformable clips, positioned above and below. The holder is fixed to the refrigerator or the like by the latching pieces engaging with the latching holes and the clips being inserted into and engaged with the clip holes.
Owner:FUKUSHIMA GALILEI CO LTD
SYSTEM AND METHOD FOR SHAPING A CURVED GLASS LAMINATE ARTICLE USING A GLASS VISCOSITY DIFFERENTIAL FOR IMPROVED SHAPE FITTING
ActiveDE602018090058T2Glass/slag layered productsGlass reforming apparatusMechanical engineeringViscosity
Owner:CORNING INC
A separate collection bag for easy separation of centrifuge cups and centrifuged materials
This utility model discloses a separate collection bag for facilitating the separation of centrifuge cups and centrifuged materials. It includes a main bag body, an annular pleated section, a sealing structure, and an arc-shaped fitting section. The main bag body is cylindrical with a diameter of 7.4 cm, designed to accommodate centrifuge cups. The annular pleated section is located in the middle of the outer wall of the main bag body, extending upwards and elastically stretching to accommodate centrifuge cups of different heights. The sealing structure is connected to the top of the main bag body, with an opening diameter of 7.8 cm. The top edge is thickened to form a sealing reinforcement edge for tightening and sealing. Thus, the bottom arc-shaped fitting section matches the curvature of the centrifuge cup bottom, leaving a 1-3 mm elastic margin. During centrifugation, it fits the bottom of the cup, preventing solid residue. The annular pleated section and the 2 cm pleats on the outer wall of the sealing section work together to adjust the base height by 11 cm to accommodate different centrifuge cups. The 2-5 mm wide sealing reinforcement edge, combined with the pleat deformation, forms a tight seal to prevent leakage.
Owner:崂山国家实验室
Ultra-high temperature, high-speed full ceramic ball bearing dual functional cage
This invention discloses a dual-function cage structure for ultra-high temperature, high-speed all-ceramic ball bearings, belonging to the field of all-ceramic bearing technology. The cage is made of silicon nitride, silicon carbide, or zirconium oxide and includes a guiding structure and a lubrication and protection structure. The guiding structure is an arc-shaped fitting pocket for high-precision guidance. The lubrication and protection structure consists of an annular lubrication storage cavity, a gradient aperture slow-release channel, and a capillary transport structure connected in sequence to form a synergistic lubrication system, which can suppress high-temperature volatilization, overcome centrifugal oil spillage, provide quantitative slow release, and ensure precise oil supply. This invention achieves dual-function coupling of guidance and lubrication, reducing the friction coefficient by ≥35% and increasing service life by ≥60%. It is suitable for ultra-high temperature, high-speed, and extreme operating conditions in aerospace, high-end equipment, and other fields, and has high engineering application value.
Owner:SHENYANG JIANZHU UNIVERSITY
counterweight seat
1. Name of the product in this design: Counterweight base. 2. Purpose of this design: This product is used to provide counterweights for pole-shaped fittings in sports. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.
Owner:JIANGSU SHENGWO COMM TECH CO LTD
Knee joint force line appliance
The invention belongs to the technical field of knee joint arbor treatment equipment, and particularly relates to a knee joint force line appliance which comprises a body and a pressure mechanism, the body comprises a main body supporting frame, a thigh binding assembly and a shank binding assembly, and the thigh binding assembly and the shank binding assembly are in sliding connection with the main body supporting frame; after sliding in place, the main body supporting frame is fixed, and then the main body supporting frame is bound to the thigh and the shank respectively; the pressure mechanism is located between the thigh binding assembly and the shank binding assembly, and the pressure mechanism applies adjustable pressure to the key position of a force line to adjust the form of the force line of the lower limb joint, reduce and improve the development speed of gonitis lesion and reduce knee joint pain. Gradient pressure is applied to the outer side, the lower limb force line is guided to be corrected towards the outer side, and joint load redistribution is achieved. The structure of the device adopts an arc-shaped fitting design conforming to ergonomics, and it is ensured that a pressure acting point is accurately located at a key position of a knee joint force line.
Owner:LIAONING ACAD OF TRADITIONAL CHINESE MEDICINE +1
Support base
Owner:CHINA CONSTR FOURTH ENG DIV INSTALLATION ENG +1
Empty plug and empty plug structure
Provided is a plug and a plug structure that can automatically correct a regular posture. A plug (10) has a square-shaped fitting portion (12) that extends in the front-rear direction. The square-shaped fitting portion (12) has four corners (15) at diagonal positions in the front-rear direction. The four corners (15) each have a chamfered portion (17) that expands outward toward the rear and decreases in width in the axis direction as it goes toward the rear. The chamfered portion (17) has a ridge line portion (18) that extends in the front-rear direction and protrudes outward. The ridge line portion (18) is inclined so as to approach in one direction of the axis direction as it goes toward the rear.
Owner:SUMITOMO WIRING SYSTEMS LTD
Fitting for changing the operating position of a seat and / or reclining furniture, and a seat and / or reclining furniture with this fitting
Owner:KOINOR POLSTERMOBEL
Measuring support device and measuring device
The measuring support device and the measuring device of the present disclosure comprise a base and a support assembly. The support assembly is arranged on the base and comprises a plurality of support portions distributed on the surface of the base. The plurality of support portions are arranged corresponding to one side of a workpiece to be measured and are used to support the protruding part of the workpiece to be measured in a shape fitting manner, so as to avoid the front and / or rear surface of the workpiece to be measured and support the workpiece to be measured in a measuring position. The measuring support device and the measuring device of the present disclosure can expose the front and / or rear surface of the workpiece to be measured, and it is difficult to deform and damage the workpiece to be measured.
Owner:ZF TRANSMISSIONS SHANGHAI
Universal high-performance steering engine mounting adapter bracket
ActiveCN224188325UFirmly assembledImprove stabilityStands/trestlesStructural engineeringMechanical engineering
The universal high-performance steering engine installation adapter bracket comprises a bracket main plate, an adapter base is arranged at the lower end of the bracket main plate, a limiting column is arranged at the top end of the bracket main plate, a reinforcing arm is connected to the outer surface of the limiting column in a sleeved mode, and a first reinforcing chain belt is arranged on one side of the front end of the bracket main plate; a second reinforcing chain belt is arranged on the side, corresponding to the first reinforcing chain belt, of the rear end of the support main plate, an adjusting chain belt is arranged at the end, away from the support main plate, of the second reinforcing chain belt, a positioning elastic buckle is arranged on the side, away from the support main plate, of the front end of the first reinforcing chain belt, and switching clamping plates are movably connected to the front side and the rear side of the lower portion of the switching base. Through the arrangement of the reinforcing arms, the first reinforcing chain belts and the anti-skid and anti-abrasion surface layer, the purposes of stable performance and high adaptability are achieved; and by arranging the clamping rods, the springs and the switching clamping plates, the adaptive function that the shape is fit and the longitudinal structure does not shake is achieved.
Owner:ANHUI KULIT INTELLIGENT MANUFACTURING CO LTD +1
Cutting device for outer cylinder pipe of shock absorber
The invention discloses a cutting device for an outer tube of a shock absorber, which comprises a cutting piece, a driving piece for clamping and feeding an uncut section of a steel tube is arranged on the cutting piece, and a righting piece for supporting the cut section of the steel tube in the cutting process is arranged on the cutting piece; the driving parts are arranged in parallel in two groups, double-point clamping feeding of steel pipes is achieved, feeding coaxiality is greatly improved, deflection is avoided, a limiting groove guides a fixing frame, precise linear feeding is achieved through cooperation with a linear driver, cutting precision is guaranteed, the feeding wheels made of polyurethane materials and provided with arc-shaped attaching grooves increase contact friction force, and balls reduce moving resistance, so that feeding precision is improved. The first spring and the roller assembly are adaptive to different pipe diameters for centering, the ejector rod locks the clamping state to guarantee the position stability, the adjusting column can adjust the height of the feeding wheel, the universality is improved, the second motor drives the feeding wheel to rotate stably through meshing of the first gear and the second gear, the fixing frame provides firm supporting, and the overall structure is compact and reliable. And the precise feeding requirement for cutting of the outer tube of the shock absorber is met.
Owner:HENAN KOOBER SHOCK ABSORBER TECH CO LTD
Gastroscope mouthpiece
The present application relates to the technical field of medical apparatus and instruments, and particularly relates to a gastroscope bite device, which comprises an arc-shaped fitting plate, a triangular frame is fixedly connected to the front end of the arc-shaped fitting plate, the triangular frame is composed of a vertical plate and a V-shaped plate, a length adjusting mechanism and a limiting mechanism are arranged on the triangular frame, relief mechanisms are symmetrically arranged on the arc-shaped fitting plate, and a pneumatic adjusting mechanism is arranged on the relief mechanism; the length adjusting mechanism comprises a threaded rod which is screwed through the vertical plate of the triangular frame, a fixed clamping plate is rotatably connected to one end of the threaded rod, two placing grooves are symmetrically formed at the other end of the triangular frame, telescopic clamping plates are arranged on the inner walls of the two placing grooves and can change in length, and the telescopic clamping plates can change in length along with the change in the distance between the V-shaped plates on the triangular frame; the length of the telescopic clamping plates can be adjusted according to the change in the cross-sectional area of the hose, so that the fixed clamping plate can be in contact with the outer surface of the hose and the limiting operation can be completed.
Owner:JIANGSU CANCER HOSPITAL
Whole-section whole-body wire core gap filled wire
ActiveCN224287844Uincrease bonding areaImprove stabilityClimate change adaptationInsulated cablesElectric cablesElectric wire
The utility model discloses a whole section whole body wire core gap filling lead, relates to the cable and wire technology field, and comprises a filling lead body and a cable, the outer side of the filling lead body is provided with a fitting sleeve, the top of the fitting sleeve is provided with a conical head, the top of the conical head is provided with an arc surface, and the arc surface is provided with a through hole. The utility model relates to a novel cable fitting sleeve, which comprises a fitting sleeve, a conical head, an arc-shaped surface, a wire core fitting surface, an inner arc-shaped fitting surface and a bearing surface, the two sides of the conical head are respectively provided with a wire core fitting surface, the bottom of the fitting sleeve is provided with an inner arc-shaped fitting surface, and the two sides of the fitting sleeve are respectively provided with a bearing surface, the novel cable fitting sleeve has the advantages that through the arrangement of the fitting sleeve, the conical head, the arc-shaped surface, the wire core fitting surfaces, the inner arc-shaped fitting surface and the bearing surface; in addition, after filling, the stability of the plurality of wire core bodies can be improved, and friction caused by displacement of the wire core bodies can be avoided.
Owner:TIANJIN ZHONGKE CAPITAL INSTR CO LTD
Electronic device
PendingUS20260032837A1Casings/cabinets/drawers detailsDetails for portable computersMechanical engineeringShape fitting
Owner:VIVO MOBILE COMM CO LTD
An arc-shaped fitting and fixing device for bending aluminum profile
ActiveCN224294388UAchieve flexible clampingavoid damageShaping toolsMetal-working feeding devicesStructural engineeringMechanical engineering
The utility model relates to aluminium alloy machining technical field, concretely is a kind of arc-shaped lamination fixing device for aluminium alloy bending processing, including base, the upper end fixed mounting of base has support, the both ends of the middle part of support one side are equipped with down pressure block, the upper and lower of the middle part of two down pressure block one side are rotatably installed with lamination board no. One side of two sets of lamination board no. is equipped with guide rotation groove no. one, the middle part of two down pressure block one side is fixedly installed with fixed block, the middle part of two fixed blocks is fixedly installed with limit rod no. one, the both ends of limit rod no. one middle part are fixedly installed with limit board no. one, and the periphery of the middle part of two fixed blocks is fixedly installed with a plurality of connecting rods. The utility model solves the shape and structure of traditional arc-shaped lamination fixing device for aluminium alloy bending processing are relatively single, difficult to adjust according to the specific shape of aluminium material, cannot realize the good lamination with various shape aluminium material, there are many problems in actual use.
Owner:NINGBO JUNHANG MACHINERY CO LTD
Unsupervised polygonal structure fitting method
ActiveCN121616596Bexact fitAccurate detectionImage enhancementImage analysisPattern recognitionEngineering
The application discloses a kind of based on unsupervised polygon structural member shape fitting method, belong to railway infrastructure intelligent monitoring and computer vision technical field, by obtaining the contour point set of structural member in image, with slope parameter and its corresponding translation parameter describe the straight line where structure piece edge is, based on the distance between contour point and straight line, construct target function, by optimizing slope parameter and translation parameter, minimize target function to train neural network model, generate the slope parameter and translation parameter corresponding to predicted optimal straight line, obtain the contour point set corresponding to the image of structure to be measured, by trained neural network model, generate optimal slope parameter and translation parameter, have generated optimal straight line, by the intersection point between straight line and straight line, obtain the shape of polygon structural member.The application can accurately fit and state detection to the shape of polygon structural member, to realize the real-time monitoring of railway infrastructure accurately, efficiently.
Owner:HANGZHOU HUIJING TECH
Seal ring and bearing unit
The invention relates to a sealing ring and a bearing unit comprising the same. The sealing ring (100) comprises a framework ring (10) and an annular elastic part (20) arranged on the radial inner side of the framework ring (10), the framework ring (10) is provided with first shape matching parts (12) distributed in the circumferential direction, the annular elastic part (20) is provided with second shape matching parts (22) distributed corresponding to the first shape matching parts (12) in the circumferential direction, and the first shape matching parts (12) are matched with the second shape matching parts (22) in the circumferential direction. And the first shape matching part (12) and the second shape matching part (22) are matched with each other in shape so as to connect the framework ring (10) and the annular elastic part (20). The bearing unit comprises two rows of bearings arranged side by side in the axial direction and the sealing ring (100), and the sealing ring (100) is arranged at the adjacent position of the inner rings (200, 300) of the two rows of bearings.
Owner:SCHAEFFLER TECHNOLOGIES AG & CO KG
A denture fixture for missing molars
This invention discloses a denture fixation device for missing molars, including a biomimetic fitting base, on which a denture body is assembled, and a fixing ring is fitted onto the biomimetic fitting base; two elastic clasps are provided, one end of which is connected to the fixing ring, and the other end is bent inward to form a clamping part; two shape memory alloy springs are provided, and are respectively fixedly connected to the two ends of the elastic clasps by a positioning pin mechanism; the end of the shape memory alloy spring near the adjacent tooth has an arc-shaped fitting surface; a threaded adjustment mechanism is located outside the positioning pin mechanism and is set between the shape memory alloy spring and the elastic clasps, used to adjust the clamping distance between the shape memory alloy spring and the elastic clasps. This invention solves the problem that existing clasp-retained dentures have poor versatility in practical applications because the clamping distance of the elastic clasps is fixed, making it difficult to adapt to adjacent teeth of different thicknesses and varying adjacent tooth spacing.
Owner:CHINA AEROSPACE SCI & IND GRP 731 HOSPITAL
Dismounting device for transformer bushing oil conservator rainproof cap
PendingCN121545894ATransformers/inductances coolingTransformers/inductances coils/windings/connectionsTransformerClassical mechanics
The invention discloses a dismounting device for a transformer bushing oil conservator rainproof cap, and the dismounting device comprises two hoop assemblies, each hoop assembly comprises an arc-shaped hoop body, one side of each arc-shaped hoop body is provided with an arc-shaped binding face, the two opposite sides of each arc-shaped binding face extend to be provided with fastening plates, and the other opposite side of each arc-shaped hoop body is provided with a lug plate; the handle is rotatably assembled on the lug plate; wherein the two hoop assemblies are assembled on the two opposite sides of the outer portion of the transformer sleeve oil conservator rainproof cap, the two bolts penetrate through the fastening plates on the two opposite sides of the two hoop assemblies in a one-to-one correspondence mode to be fastened, and the arc-shaped attaching faces of the arc-shaped hoop bodies of the two hoop assemblies are attached to the outer edge of the sleeve oil conservator rainproof cap. According to the dismounting device for the transformer bushing oil conservator rainproof cap, mounting and dismounting of a COT type bushing rainproof cap of a power equipment transformer can be rapidly completed, and the operation efficiency is remarkably improved; and the structure is simple, the adaptability is wide, and certain portability is achieved.
Owner:SHENZHEN POWER SUPPLY BUREAU
Cable force optical measurement method based on multi-order modal shape fitting and measurement system thereof
ActiveCN115876371BNon-contact hasWith full field measurementSustainable transportationTension measurementFull fieldEngineering
The application discloses a cable force optical measurement method based on multi-order modal shape fitting and a measurement system thereof. The method first captures a full-field image of a cable through a non-contact optical camera, and obtains dynamic displacement responses of each target point by using an adaptive gray-weighted centroid method; then, the method obtains frequencies of each order of the cable and corresponding modal shape curves by using a CMIF method of modal parameter identification; then, the method performs least square nonlinear fitting (NLSF) on each order of the measured modal shape function curve based on the obtained positions of each measuring point and corresponding amplitude values of the modal shapes, and identifies dimensionless parameters of the modal shapes; finally, the method calculates the cable force size in combination with unit length mass of the cable and the frequencies of each order. The application is dedicated to practical bridge application, and vibration responses of multiple measuring points of the cable can be extracted by using the non-contact full-field measurement advantage of the image.
Owner:SOUTHEAST UNIV +1