69results about How to "Exact length" patented technology

The utility model discloses a condenser copper pipe bending forming die, and relates to the technical field related to condenser machining. The bending device comprises a base, an air cylinder, a bending wheel, auxiliary wheels and a screw rod, a supporting column and the air cylinder located on one side of the supporting column are fixed to the upper end of the base, the two auxiliary wheels are symmetrically distributed above the bending wheel, a positioning beam is fixed to the top end of the supporting column, and the screw rod vertically penetrates through the position, between the two auxiliary wheels, in the positioning beam in a threaded connection mode. Two symmetrically-distributed rotating shafts are rotationally connected to the face, close to the air cylinder, of the supporting column, a rotating arm is fixed to the periphery of each rotating shaft, a shaft rod is fixed into the end, away from the rotating shaft, of each rotating arm, and the end, away from the supporting column, of each shaft rod is fixed to the end face of the corresponding auxiliary wheel. Through the arrangement of the base, the air cylinder, the bending wheel, the auxiliary wheel, the screw rod and the positioning block, the problems that the bending position is prone to deviation in a conventional bending mode, and the position of a bending point is not positioned during bending are solved.

The invention relates to the technical field of PVC electric power pipe processing, in particular to a PVC electric power pipe processing cutting machine capable of collecting excess materials, which comprises an excess material collecting main body, an adjusting and aligning main body, a trimming control main body and a supporting and fixing base, and the trimming control main body is arranged on the supporting and fixing base. The excess material collecting bodies are arranged at the two ends of the supporting and fixing base and distributed on the outer side of the supporting and fixing base. According to the device, remaining materials falling off during cutting can be conveniently and continuously collected and treated, the remaining materials cut off in the trimming process can fall into a guiding and conveying collecting frame, and a fourth motor is started to drive a rotating adjusting plate and the guiding and conveying collecting frame to swing forwards and backwards; the excess materials falling into the guiding and collecting frame can be circularly and alternately guided and received towards the two sides, and the cut excess materials can be alternately conveyed to the two sides of the equipment and continuously and stably collected in the storage equipment to be collected and used.

The invention relates to the field of radio telescope structure analysis, and discloses a FAST telescope active cable net reflecting surface satellite-facing tracking analysis method, which comprises the following steps: step 1, establishing a dynamic relaxation method numerical model of a FAST cable net reflecting surface structure; 2, setting a precision limit value of the reflecting surface of the telescope, model parameters and convergence conditions; 3, identifying a main cable node in an irradiation range; 4, calculating the radial distance from the main cable point to the working paraboloid; 5, forced displacement is applied to the lower end point of the lower inhaul cable; step 6, carrying out iterative calculation to obtain an equilibrium state model; 7, repeating the steps 3-6 until all the main cable nodes and the working paraboloid meet the precision limit value requirement of the reflecting surface of the telescope; and 8, repeating the previous steps, and carrying out tracking analysis. According to the method, the dynamic relaxation method is innovatively adopted for satellite tracking analysis, and the problems that when a traditional finite element method is used for complex structure analysis, a stiffness matrix is singular, and iteration is not convergent are solved.

The invention discloses an embroidery machine frame movement execution speed control system, which relates to the technical field of embroidery machine control and comprises a data acquisition module, a processing module, a calculation module, an execution processing module and a monitoring module. The method has the advantages that parameters such as pattern path length and main shaft rotating speed are accurately calculated, a pattern original point does not need to be re-determined and checked under the condition of switching multiple patterns, so that the remodeling efficiency is improved, the operation difficulty and cost are reduced, whether the embroidery range is exceeded or not can be automatically judged before the patterns are embroidered, and the embroidery efficiency is improved. According to the system, the over-frame phenomenon of a pattern is effectively eradicated, the quality and the attractiveness of an embroidery product are improved, and the original point of the embroidery machine is not deviated by means of adjustment, error compensation and the like, so that the embroidery precision is greatly improved; and the control efficiency of the control device on the motor and the interpolation operation efficiency are improved, so that the frame movement execution speed of the embroidery machine is improved.

The invention belongs to the technical field of automation, and particularly relates to an automatic rope arranging machine which comprises a rope straightening mechanism, a length metering mechanism, a fixed-point clamping mechanism, a cutting mechanism, a rope pulling mechanism, a length fixing mechanism, a clamping mechanism and a clamp conveying mechanism. Compared with the prior art, automatic cutting of the rope belt and clamping and arrangement of the clamp can be achieved, manual work is completely replaced, in the operation process, the straightening mechanism straightens the rope belt and prevents winding, the rope pulling mechanism is matched with the length control mechanism, cutting of a short rope belt can be achieved, and cutting of a long rope belt can also be achieved; the cut-off length is very accurate, the consistency is good, the efficiency is very high during automatic clamping, and the operation efficiency is greatly improved.

A yarn length measurement device and a buffer device for a knitting yarn capable of realizing highly accurate yarn length measurement are provided. A rotating member 210 rotatably provided with respect to a predetermined mounting member (rotation support part 220), an introduction part 211 that is provided at a position deviated from a rotation axis B of the rotating member 210 and introduces a knitting yarn Y unwound from an upstream side in a yarn feeding direction to a downstream side in the yarn feeding direction, a lead-out part 212 that leads out the knitting yarn Y introduced from the introduction part 211 to a yarn feeding path A on the downstream side in the yarn feeding direction, and a rotation amount detection part 230 that detects a rotation amount of the rotating member 210 are provided.

The invention relates to the technical field of 3D printing, in particular to a 3D printing device based on a filamentous mixed material, which comprises a wire outlet mechanism, a relaxation mechanism, a printing mechanism and a printing table, filaments are output from the filament outlet mechanism, sequentially pass through the relaxation mechanism and the printing mechanism and are mixed with colloid in the printing mechanism to form a filiform mixed material, and the filiform mixed material is printed on the printing table. The filament discharging mechanism is used for outputting filaments according to a first preset parameter; the relaxation mechanism is used for tensioning or loosening passing filaments; the printing mechanism is used for mixing the passed filaments and the colloid to form a filament-shaped mixed material and printing the filament-shaped mixed material on the printing table according to a second preset parameter; the problems existing in various existing 3D printing technologies are solved at low cost, the quality of finished products is higher, and the application range is wider.

The invention discloses an industry research report generation method and device, computer equipment and a storage medium, and the method comprises the steps: obtaining an industry report text library of a target industry, and obtaining an industry theme of the target industry; according to the industry theme, calling a preset large-scale language model to perform block circulation summarization processing on the industry report text library, and outputting the industry research report of the industry theme, by adopting the embodiment of the invention, the token limitation of the large-scale language model is broken through, and meanwhile, content summarization and summarization of the industry report text library are performed according to the industry theme, so that the user experience is improved. And continuous circulation is realized, so that the token limitation of a large-scale language model is broken through, a large amount of super-long contents can be understood by the large-scale language model, and the large-scale language model can realize integration and output of long contents, so that an industry research report of an industry theme is more accurate in length, accuracy and logicality, and the method is more suitable for popularization and application. And the quality and the accuracy of the industry research report are improved.

The utility model relates to an online accompanying transverse laser cutting machine which comprises a rack, a workbench, a positioning roller set, a laser cutting head and a dynamic adjusting system. The workbench is connected with a laser cutting head through a linear module, the laser cutting head can move in the width direction of a steel plate, and two positioning roller sets are symmetrically arranged on the feeding side and the discharging side of the workbench below the laser cutting head. The dynamic adjusting system enables the workbench to be connected with the rack in a sliding mode, synchronously tracks the moving speed of a steel plate under the control of the servo driving unit and comprises the servo driving unit, a transmission shaft and a linear guiding unit, and the transmission shaft and a threaded transmission sleeve in the middle of the workbench form a thread pair. The steel plate cutting edge is prevented from inclining through the dynamic adjusting system, material waste and production cost are reduced, and production efficiency is improved.

The utility model discloses an incense coiling mechanism and incense coiling production equipment, and the incense coiling mechanism comprises a workbench; the rotating disc assembly is used for winding incense strips into incense coils, the rotating disc assembly comprises a rotating disc, the rotating disc is rotationally arranged on the workbench, and a through hole is formed in the middle of the rotating disc; the rotating shaft assembly comprises a first rotating shaft and limiting blocks, the first rotating shaft is arranged in the through hole in a sliding mode, the limiting blocks are arranged on the two sides of the same end of the first rotating shaft, a limiting groove is formed between the limiting blocks, and the first rotating shaft slides to drive the limiting blocks to stretch into or stretch into the through hole; the material shearing assembly comprises a first blade and a second blade, the first blade and the second blade are rotationally arranged on the workbench through a pivot, and the first blade and the second blade rotate around the pivot to shear off the two ends of the incense coil in a matched mode.

The utility model discloses a cutting device for flange raw material steel, and mainly relates to the field of steel cutting. Comprising a bearing frame, a plurality of supporting rollers used for supporting raw material steel are rotationally connected to the bearing frame, a power assembly used for driving the supporting rollers to rotate is arranged on the bearing frame, a cutting frame is arranged at one end of the bearing frame, sliding bases are symmetrically connected to the cutting frame in a sliding mode, and power rods used for driving the sliding bases to slide are arranged on the cutting frame; wherein one sliding seat is rotationally connected with a blocking rod, the other sliding seat is provided with a clamping groove used in cooperation with the end of the blocking rod, and one side of the blocking rod makes contact with the end of the raw material steel. The steel cutting device has the advantages that the technical problem that the steel loss amount is increased in the production process due to cutting size errors can be solved, accurate control over the steel cutting size is achieved, the cutting errors are reduced, the feeding and discharging process of steel cutting is smoother, the cutting machining efficiency is improved, and the flange production cost is reduced.

There is a method performed by a wireless device WD. The method includes a WD receiving a control message, the control message including an indication of an index value. The method further includes the WD obtaining a parameter set from time domain resource allocation (TDRA) configuration information using the index value, the parameter set including an aggregation factor.

The invention discloses a method for measuring the length of continuous casting billet online, comprising the following steps: obtaining the remaining billet length, the casting length information corresponding to the billet head and tail; obtaining the casting length and the position information of the cutting machine during cutting; based on tracking the photoelectric detection information in the flow channel, when the photoelectric detection feedback signal changes from being present to being absent, the billet head just reaches the photoelectric detection point, the casting length tracked by the PLC is subtracted from the casting length corresponding to the last cutting point to obtain the billet length in the flow channel, the billet length in the flow channel is subtracted from the real billet length corresponding to the position of the photoelectric tube to obtain the deviation value, and the deviation is recorded as the correction length, when the billet is cut, the casting length of the last cutting point and the casting length of the current cutting point are combined to obtain the calculated billet length, and the calculated length is subtracted from the correction length to obtain the real billet length. The method provides timely and real operation feedback for the cutting operator, reduces the labor intensity, and improves the labor efficiency.

The present application relates to a kind of based on the drilling video analysis drilling rod quantity and drilling depth calculation method, belong to downhole intelligent drilling video field.The method includes: the pretreatment of different length drill pipe, add drill pipe mark for each drill pipe;First mark and second mark are added respectively at the withdrawal end and the drilling end of the gripper of drilling machine;When drilling, target object information is obtained by camera, target object includes drill pipe mark, the first mark of gripper, second mark and water injector;Video analysis system adjusts logical program step state according to the position change relationship of obtained target object information, and counts the number of drill pipe and calculates drilling depth according to target object information.The present application discriminates to drill into a drill pipe by drilling preparation, drilling execution, drilling completion 3 steps, and is more accurate in identification;The present application judges the length of current drill pipe according to mark, and can adapt to the drilling depth calculation when drilling into different length drill pipe.

The invention discloses a reply text generation method, a length determination model training method and a terminal, and belongs to the technical field of artificial intelligence. The method comprises the steps of obtaining a first to-be-responded text and historical dialogue texts, inputting the first to-be-responded text and the historical dialogue texts into a length determination model to obtain a dialogue text length value corresponding to the first to-be-responded text, and determining a reference dialogue text from the historical dialogue texts based on the dialogue text length value, and inputting the first to-be-responded text and the reference dialogue text into a first model to generate a reply text corresponding to the first to-be-responded text. Therefore, the dialogue text length value corresponding to the first to-be-responded text can be flexibly adjusted according to specific conditions, so that user requirements can be better understood, and more accurate and coherent replies can be generated.

The utility model belongs to the technical field of textile machinery, and particularly relates to a finished cloth roll meter counting mechanism. The finished cloth winding device comprises a finished cloth winding support, the finished cloth winding support is used for winding finished cloth into a roll and comprises a vertical rod, and the vertical rod is used for limiting the finished cloth roll; the transverse rod is arranged on one side face of the vertical rod; the fixing sleeve is fixedly connected to the upper surface of the cross rod; the adjusting rod extends into the fixing sleeve; one end of the elastic bent plate is fixedly connected with the end of the adjusting rod, the other end of the elastic bent plate extends out towards the other side face of the transverse rod, a meter counter is arranged at the end of the other end of the elastic bent plate, and a distance measuring wheel of the meter counter is externally tangent to the finished cloth roll. The device is used for solving the technical problems that the length of a finished cloth roll is measured inaccurately and verification data of the finished cloth roll is influenced in the prior art.

The present invention relates to a buckle strapping machine head for packaging, comprising a buckle servo drive unit connected to a main housing unit, a servo conveying strap unit, a strap tensioning unit, a buckle hopper unit, a belt guide door unit and a buckle module unit; the buckle servo drive unit can drive the buckle module unit to engage the buckle through the buckle servo motor of the buckle servo drive unit, thereby strapping the strap; the servo conveying strap unit is connected to a planetary reducer by a servo motor to drive the conveying belt wheel of the conveying strap to rotate forward and reversely, thereby completing the belt feeding and belt taking-up functions; the strap tensioning unit is driven by an air motor to drive the tensioning wheel to rotate, tighten the strap, and complete the tensioning function; the buckle hopper unit stores buckles and is provided with a pushing device to push the buckles into the buckle module unit; the belt guide door unit is a rotatable structure, and after rotation, it forms a strap conveying channel with the hopper unit and the lower end of the main housing unit. The present invention is stable and reliable to use.

The invention relates to the technical field of drilling devices, and particularly discloses a composite material photovoltaic frame automatic drilling device which comprises a packaging and conveying assembly, a feeding and conveying assembly and a base assembly, the packaging and conveying assembly is located on one side of the base assembly, and the feeding and conveying assembly is located on the side, away from the packaging and conveying assembly, of the base assembly. A drilling supporting assembly, two transverse hole milling assemblies, a longitudinal drilling assembly, a transmission assembly and a plurality of detection assemblies are sequentially arranged above the base assembly. The transverse drilling assemblies are arranged on the two sides of the conveying assembly correspondingly, the drilling supporting assembly is located on the side, close to the feeding conveying assembly, of the base assembly, and the multiple detection assemblies are all located on the side, close to the packaging conveying assembly, of the base assembly. According to the photovoltaic frame drilling and deburring device, automatic drilling and deburring operation can be conducted on a photovoltaic frame, the drilled photovoltaic frame can be detected, and the working efficiency is improved.

The present invention belongs to the technical field of non-destructive testing signal processing, and in particular, relates to a defect size quantification method. The defect size quantification method detects the defects of the insulating component to be tested by a rectangular dual-electrode sensing device, and obtains the first-order derivative of the obtained detection signal, so as to accurately judge the length and width parameter size of the defect of the insulating component to be tested. A defect size quantification method includes the following steps: determining the performance parameters of the electrode sensing device used in the defect size quantification method; scanning and detecting the insulating component to be tested along a direction to obtain a one-dimensional line scanning signal; deriving to obtain a first-order derivative signal; scanning and detecting the insulating component to be tested along a direction to obtain a one-dimensional line scanning signal; deriving to obtain a first-order derivative signal; judging whether there is a concave area in the one-dimensional line scanning signal and the one-dimensional line scanning signal.

The utility model relates to a clamping and cutting mechanism, in particular to the technical field of plastic pen cutting mechanisms. Comprising a plastic pen cutting-off base bottom plate, a sliding rail, a sliding block, a mounting plate, a stepping eccentric wheel assembly, a first driving motor, a movable connecting rod, a first support, a rotating shaft, a high-speed saw blade, a belt, a second driving motor, a second support, a pressing mechanism and a boss plate. The problem that a common plastic pen cutting-off mechanism cannot meet the requirements of fixed cutting-off length and smooth cutting surface is solved; and the phenomenon that in the cutting process of the plastic pen, the cutting process is not stable is avoided.

The utility model relates to the field of cutting equipment, and discloses a cable insulation layer precise cutting device which comprises a bottom plate, a fixing seat, a cable clamping mechanism and a cable insulation layer cutting mechanism, the fixing seat is fixedly installed at the top of the bottom plate, a first installation hole is formed in one side of the fixing seat, the cable clamping mechanism is arranged in the first installation hole, and the cable insulation layer cutting mechanism is arranged in the cable clamping mechanism. The cable clamping mechanism is used for clamping and fixing a cable, and the cable insulation layer cutting mechanism is arranged at the top of the bottom plate and located on the left side of the fixing base. The cutting device has the following advantages and effects that the cutting device can cut a circle around an insulating layer of a cable, the insulating layer of the cable can be cut off, a cut opening can be kept neat, the cut-off insulating layer can be stripped off from a cable core, operation is convenient and labor-saving, the cutting efficiency is improved, and the cutting efficiency is improved. And the length of the cable insulation layer can be accurately and rapidly cut and stripped according to needs, and the effect of precise cutting is achieved.

The utility model relates to the technical field of shearing, and discloses a guide rail shearing device for a distribution box, which comprises a control panel with a control cabinet fixedly mounted on one side, a table plate for supporting is fixedly mounted at the top of the control cabinet, and an adjusting block for adjusting the position is clamped at the top of the table plate. The top of the adjusting block is in threaded connection with a fastening block used for locking the guide rail, and a protective cover used for reducing splashing of cuttings is fixedly installed at the top of the table plate. According to the guide rail shearing device for the distribution box, through cooperative arrangement of an adjusting block and a fastening block, the device can fix a guide rail during use, a user is prevented from hurting the hand during cutting, the guide rail can move in the specified direction through arrangement of the adjusting block, and the guide rail can be fixed through arrangement of the fastening block; and the guide rail is prevented from shaking during cutting, so that the length of the guide rail after cutting is more accurate, and the safety of the device during use is improved.

The invention provides a three-seat forming machine. The controller is used for receiving speed signals sent by the first photoelectric sensor, the second photoelectric sensor and the third photoelectric sensor and controlling the lining core conveying assembly. Rotating speeds of the semi-finished product conveying assembly and the shielding material semi-finished product conveying assembly enable the conveying speed of the lining core conveying assembly for conveying the lining core into the second forming machine and / or the conveying speed of the shielding material semi-finished product conveying assembly for conveying the shielding material semi-finished product to the output end of the third forming machine to be larger than half of the conveying speed of the lining core conveying assembly for conveying the lining core into the second forming machine and / or the conveying speed of the shielding material semi-finished product to the output end of the third forming machine. The finished product conveying assembly conveys the semi-finished products to a conveying speed in a third forming machine; the conveying speeds of all layers of materials of the foam electromagnetic shielding material semi-finished product are matched through automation, the stability of the conveying speeds of all layers of materials of the foam electromagnetic shielding material semi-finished product is improved, the problems of bending deformation of all layers of materials, reduction of the attaching precision of all layers of materials and the like are effectively avoided, and the production efficiency is improved.

The invention relates to the technical field of rock mass structure prediction methods, in particular to a rock mass fracture parameter estimation method and system. The method includes: acquiring a rock fracture image; preprocessing the rock mass fracture image to obtain a preprocessed image; the preprocessed image is analyzed and calculated to obtain a dominant fracture density range and a fracture density range in any direction, and Monte Carlo simulation is adopted to analyze the dominant fracture density range and the fracture density range in any direction so as to estimate the density of rock mass fractures; normal distribution and logarithmic normal distribution fitting are carried out on the preprocessed image, and the inclination angle of the rock mass fracture is estimated based on the projection angle; and counting the fracture length of each group of fractures in the preprocessed image, and estimating the length of the rock mass fractures in the group based on the fractures with the fracture length greater than a set threshold value. The rock mass fracture image is analyzed based on the geometrical characteristics and the distribution rule of the fractures, and the density, the inclination angle and the length of the rock mass fractures can be accurately estimated.

The utility model discloses a plunger type tailing machine, and relates to the technical field of pharmaceutical equipment. The extrusion mechanism comprises a push rod device, an extrusion barrel and an extrusion head which are arranged in sequence; the push rod device and the extrusion barrel are both arranged on the fixed base; the push rod device is provided with a telescopic rod; a piston is arranged at the tail end of the telescopic rod; the extrusion barrel is provided with a rotating part and a limiting part; the rotating part is rotationally connected to the fixed base around a first axis; a supporting seat is fixedly arranged on the fixed base, and a limiting groove is formed in the supporting seat; the extrusion cylinder is provided with a containing cavity, an inlet and an outlet; when the piston moves in the containing cavity, the limiting part is located in the limiting groove, and the position of the extrusion barrel is kept unchanged. The extrusion cylinder can rotate around a first axis and enables the inlet to face upwards; the extrusion head is detachably and fixedly arranged at the discharge port, and an extrusion port is formed in the extrusion head. The problem that metering is not accurate during manual treatment of pelleting tailings is solved, it is guaranteed that the diameter of a medicine strip is accurate, time and labor are saved, tailings loss is reduced, and cost is saved.

The invention discloses a production method of an aluminum alloy product for an automobile air conditioner compressor, and relates to the technical field of automobile air conditioner compressor machining, a cast rod saw cutting device is used, and the cast rod saw cutting device comprises a supporting mechanism, a feeding mechanism, a cutting mechanism, a fixing mechanism and a length fixing mechanism. The supporting mechanism comprises a machining base and a dynamic supporting assembly for reducing scraping in the cast rod sawing process. The device has the advantages that through cooperation of the dynamic supporting assembly and the fixing assembly, the long casting rod is supported, the stability during moving and cutting is guaranteed, and the cutting quality is improved; through cooperation of a first roller and a second roller, the situation that the surface of the long casting rod is scratched is reduced, corresponding adjustment can be conducted according to the diameter of the long casting rod, and the practicability of the equipment is improved; through intermittent up-down movement of the fixed-length plate, the position of the long casting rod subjected to fixed-length movement is rechecked, and it is guaranteed that the length of each section of cut short casting rod is accurate; and the cleaning brush is used for cleaning finished short casting rods.

The invention provides a method for calculating the length of a fire smoke countercurrent layer of a longitudinal ventilation tunnel, and belongs to the technical field of tunnel fire protection. According to the longitudinal ventilation tunnel fire smoke countercurrent layer length calculation method, on the basis of test data of smoke countercurrent layers related to domestic and overseas tunnel fire tests, current domestic and overseas smoke countercurrent layer prediction models are analyzed and compared, and a unified smoke countercurrent layer length prediction formula is deduced based on existing achievements and heat transfer theory laws. Through the expression of the function relationship among the length of the fire smoke countercurrent layer, the fire heat release rate, the critical wind speed and other parameters, key parameters can be provided for tunnel ventilation, smoke exhaust, rescue and other designs, and when tunnel longitudinal temperature data is sufficient under the fire working condition, the fire scale can be dynamically inverted, the smoke diffusion condition in the tunnel can be known in time, and the tunnel can be protected. And scientific guidance is provided for disaster prevention and rescue of the tunnel.

The utility model relates to the technical field of threading machine feeding length measurement, in particular to a threading machine feeding length measurement device which comprises a base, a lifting assembly and a swing assembly are arranged at the top of the base, a vertical frame is fixedly connected to the outer wall of the top of the base, and the swing assembly is rotationally connected with the vertical frame. A control panel is fixedly connected to the outer wall of one side of the vertical frame, the lifting assembly drives the swing assembly to do circular motion through lifting motion, a transmission assembly is arranged in the swing assembly, the lifting assembly comprises a fixing base fixedly connected to the outer wall of the top of the base, and an electric air cylinder is fixedly connected to the top of the fixing base. According to the utility model, the number of transmission turns of the roller is accurately transmitted to the encoder through the synchronous belt, so that high-precision measurement is realized, the length of a steel pipe can be accurately controlled, reliable data support is provided for threading processing, the accuracy of the length of a processed thread is ensured, the product quality is improved, and the defective rate caused by the unqualified length of the thread is reduced.