363 results about "Bending force" patented technology

The invention belongs to the technical field of PCB testing, and discloses a performance testing method of an AI server PCB. Comprising the following steps: acquiring power-on operation temperature data of the PCB to construct a temperature distribution image, determining hot spot region characteristics based on the temperature distribution image to obtain heating test parameters, performing heating test on the PCB based on the heating test parameters, acquiring thermal resistance of each position of a hot spot region, drawing a thermal resistance characteristic curve, and analyzing the thermal resistance characteristic curve to obtain a thermal performance grade of the PCB. The bending rate of the bending test is determined according to the basic parameters of the PCB, the bending force is adjusted in real time according to the bending rate during the test, the test is stopped when the stress or the strain reaches a threshold value, the test data is analyzed to obtain the bending resistance grade of the PCB, and the PCB is divided into different grades by combining the thermal performance grade. According to the method, the efficiency and reliability of PCB testing are remarkably improved.

The invention discloses an insertion tube and a manufacturing method thereof, an insertion part and an endoscope, and relates to the technical field of medical instruments, the insertion tube comprises an insertion body and an elastic tube, a first reinforcing layer and a second reinforcing layer are arranged in the insertion body, the second reinforcing layer is arranged outside the first reinforcing layer in a surrounding mode, and the first reinforcing layer is provided with a concave part. The first reinforcing layer and the second reinforcing layer can form double limiting and wrapping supporting on the elastic pipe, the concave shape of the concave part of the first reinforcing layer is utilized to be attached to the outer wall outline of the elastic pipe, and the outer side of the second reinforcing layer is matched for enclosing and restraining, so that the installation stability of the elastic pipe in the first channel can be greatly improved; bending moment generated by self-gravity, external force and the like of the elastic tube is effectively counteracted, the elastic tube is prevented from being bent under the action of self-gravity, external force and the like, the whole insertion tube is prevented from deforming along with bending of the elastic tube, and the form stability of the insertion tube in the cavity in the propelling process is guaranteed. And the straightness of a traction rope transmission path and the accurate conduction of a control instruction are ensured.

The invention relates to the technical field of charging piles, in particular to a universal floating docking device for a charging head of a new energy automobile charging pile, which comprises a mounting seat, a sliding plate is slidably mounted on the surface of the mounting seat, reset springs are arranged at two ends of the sliding plate, and a movable plate is arranged on one side of the sliding plate; a hollow shaft is movably connected to an inner cavity of the guide cylinder in a penetrating mode. A charging head is arranged on the outer side of the hollow seat. A threaded cylinder is fixed to one side of the surface of the hollow ball, and the charging head is fixedly connected with the hollow ball in a threaded mode. The beneficial effects are that the inner cavity of the hollow seat is movably provided with the hollow ball, the outer side of the middle part of the hollow ball is movably sleeved with the annular cover, the annular cover is fixed with the inner wall of the hollow seat, and the elastic telescopic rod is arranged between the sleeve plate and the inner wall of the hollow seat, so that when the charging wire falls under the action of gravity, the charging head can rotate and move along with the charging wire; therefore, the charging head is prevented from being broken and damaged due to the fact that the gravity of the charging wire generates bending force on the charging head.

The present application relates to steel cage welding processing equipment technical field, and particularly to a kind of steel cage welding equipment, comprising: welding frame, support frame of support longitudinal reinforcement, traction frame of traction longitudinal reinforcement are sequentially arranged on welding frame;Longitudinal reinforcement is installed on the installation mechanism of support frame;Longitudinal reinforcement on support frame is pushed to the pushing mechanism on traction frame;The support frame is composed of mounting frame, rotating disc;The mounting frame is fixedly connected with the welding frame;Rotating disc is rotatably installed on the mounting frame;A kind of steel cage welding equipment of the present application is replaced by setting installation mechanism, artificial longitudinal reinforcement perforation work, to reduce the problem that horizontal muscle slips and causes worker injury, reduces welding efficiency;On the one hand, longitudinal reinforcement is translated to the butt joint of traction frame along axial direction;On the other hand, longitudinal reinforcement is supported, to prevent longitudinal reinforcement from causing outward bending force on the clamping block and the block on support frame when passing through support frame.

The invention relates to the technical field of hot-rolled strips, in particular to a three-point difference dynamic adjusting method in the rolling process of hot-rolled strips, which comprises the following steps: S1, preparation before rolling and parameter initialization: roller shape matching and model parameter preloading; s2, dynamic regulation and control at the threading stage: thickness pre-compensation and temperature gradient suppression; s3, steady-state rolling control is conducted, specifically, three-point difference real-time monitoring and compensation are conducted, and thermal convexity dynamic compensation is conducted; and S4, drifting and exception handling: tail stability control and intelligent transition material insertion. According to the method, a full-process control system covering dynamic roll gap regulation and control, temperature-stress coupling compensation and intelligent decision support is constructed, and the problems that head and tail thickness fluctuation is difficult to restrain and edge thinning exceeds the standard by developing an asymmetric roll bending force distribution model and a rolling rhythm self-adaptive roll type matching strategy through traditional single-point thickness control can be effectively solved.

The invention discloses a tensile bending and thermal stress combined test device and method, and belongs to the technical field of material testing, the device comprises a support frame, and the support frame is provided with a mechanical tensile device and a three-point bending device; the mechanical stretching device comprises a first sliding base, a second sliding base, a two-way threaded rod, a first clamping assembly and a second clamping assembly, and the middle of the first sliding base and the middle of the second sliding base are connected with the two-way threaded rod through threaded structures. The top ends of the first sliding base and the second sliding base are fixedly connected with a first clamping assembly and a second clamping assembly respectively, a sample is fixed between the first clamping assembly and the second clamping assembly, and the tensile force of the sample is detected by rotating a bidirectional threaded rod; the three-point bending device is arranged at the top of the supporting frame, and the bending force of the sample is detected through downward pressing of the three-point bending device. According to the invention, a stretching-bending-thermal stress combined aging test is carried out on a hot melt adhesive bonding sample under a set condition, and the performance of a hot melt adhesive layer under a long-term operation condition is tested.

The invention relates to the technical field of bending machines, and discloses a numerical control bending machine with an automatic material supporting mechanism and a method. The numerical control bending machine comprises a machine body, a mounting plate is mounted at the top of the machine body, a supporting strip is fixedly connected to the output end of an electric push rod mounted on one side of the top of the mounting plate, and two first racks are fixedly connected to the inner side of the supporting strip; and one side of the interior of the mounting plate is movably connected with two sets of driving gears through bearings, the number of each set of driving gears is two, the outer side of the mounting plate is fixedly connected with a limiting plate, and the interior of the limiting plate is slidably connected with a second rack. The movable supporting devices are arranged at the two ends of the workpiece, so that bending force can be effectively dispersed and homogenized, the stress concentration phenomenon is reduced, the risk that materials are broken or deformed due to excessive deformation is reduced, meanwhile, unnecessary deformation of the workpiece in the bending process is avoided, and the shape stability of the workpiece in the whole bending process is ensured.

The invention relates to a hot continuous rolling strip steel plate shape control method and device and electronic equipment. The method comprises the steps that plate blank PDI data, equipment parameters and model parameters are read; calculating speed, temperature and thickness parameters of each finish rolling rack based on a finish rolling model; the roll bending force set value of each rack is calculated, and the roll bending force reference value, the convexity self-learning distribution value, the straightness self-learning distribution value and the operator intervention value of the SAMP model table are superposed in response to the situation that the rolling specification is not replaced, so that the roll bending force set value is generated; in response to replacement of steel types, thickness or width specifications, on the basis of superposition of non-replaced specifications, a roll bending force difference value of the SAPP model table and the SAMP model table is introduced to be multiplied by a dynamic adjustment coefficient, and a roll bending force set value is generated; a roll bending force set value is issued to an execution system at the finish rolling inlet moment; and the actual convexity and straightness of the finish rolling outlet strip steel are collected, target values are compared, and the set value of the next plate blank is corrected through self-learning. The method improves the target convexity and straightness hit rate of the hot-rolled strip steel.

The invention relates to the field of testing devices, in particular to a bending strength testing device for a fitness equipment barbell rod. The invention aims to solve the technical problems that in the bending strength test of a barbell rod, the barbell rod needs to bear large bending force, if a clamp mechanism is unstable or the clamping force is insufficient, the barbell rod may slip or break in the test process, and potential safety hazards are caused to testers and equipment. Comprising a box body, a shell is fixedly connected to the upper surface of the box body, a spacing mechanism is arranged on the inner side of the box body, two clamp mechanisms are arranged on the upper side of the spacing mechanism, pressing mechanisms are arranged on the two sides of each clamp mechanism, a rotating mechanism is arranged on the side face of the clamp mechanism on the left side, and a detection mechanism is arranged between the two clamp mechanisms. By arranging the clamp mechanism, a clamping handle rotates, four clamping wheels move oppositely to clamp and fix a barbell rod, and a locking handle moves downwards to drive a locking pin and a limiting frame to lock the position of a locking plate.

The invention discloses a critical parameter prediction method for a vertical cantilever fluid conveying pipe comprising a water injection pump and a Y-shaped nozzle, and relates to the field of fluid conveying pipe critical parameter calculation. The prediction method is based on an Euler-Bernoulli beam model and a momentum theorem, bending force, centrifugal force, Coriolis force, inertia force, gravity and additional force generated by an elbow are comprehensively considered, and an oscillatory differential equation of the fluid conveying pipe is established. The method comprises the following steps: performing dimensionless processing on an oscillatory differential equation by introducing dimensionless parameters, deducing a characteristic equation, a characteristic function and a characteristic value under a cantilever boundary condition, converting a partial differential equation into an ordinary differential equation set, and performing matrix solution; and finally, accurate prediction values of the critical flow velocity and the critical frequency can be obtained. The method can effectively reflect the influence rule of the nozzle and the concentrated mass on the vibration characteristics of the fluid conveying pipe, and realizes the accurate prediction of the critical parameters of the vertical cantilever containing the concentrated mass belt Y-shaped nozzle fluid conveying pipe.

The embodiment of the utility model provides a conveying system bend adjusting pipe testing device, and belongs to the technical field of medical instruments. The conveying system bend adjusting pipe testing device comprises a base, a positioning unit, an angle measuring unit and an adjusting unit. The positioning unit, the angle measuring unit and the adjusting unit are arranged on the base; the positioning unit is used for positioning the tested bend adjusting pipe, and the angle measuring unit is used for measuring the bending angle of the adjustable bending part of the tested bend adjusting pipe; the adjusting unit is connected with the adjustable bending part of the tested adjustable bending pipe through the traction piece, and the adjusting unit is used for driving the traction piece to move so as to bend the adjustable bending part; and a force measuring assembly is arranged between the adjusting unit and the traction piece and is used for acquiring tension data of the traction piece in the bending process of the adjustable bending part of the tested bending adjusting pipe. According to the conveying system bend adjusting pipe testing device, the relation between the bend adjusting force and the bend adjusting angle of the tested bend adjusting pipe in the bend adjusting process can be represented.

The invention discloses anti-torsion measuring equipment for multi-directional stress of a sectional material. The anti-torsion measuring equipment comprises the sectional material and measuring equipment for applying torsion to the sectional material, the measuring device comprises: a support frame; the movable plate is mounted on the supporting frame, and a lifting mechanism is arranged between the movable plate and the supporting frame; the torque applying system is arranged on the moving plate, comprises a motor, a belt pulley transmission structure, a speed reducer, a coupler, a rotating shaft, a universal joint I and a three-jaw chuck I, and is used for applying torque to the top end of the profile; the invention belongs to the technical field of profile detection, aims to solve the problem that only pure torque or single-direction bending force can be tested in the prior art, and achieves the technical effect that composite loading of profile axial torque and spatial omnidirectional lateral force is realized through circumferential rotation driven by a planetary gear and pitching adjustment of an arc-shaped rod-sliding block.

The invention relates to a rapid and intelligent stamping method for hardware products, belongs to the technical field of intelligent stamping of the hardware products, solves the problem of resilience through the combined action of temperature gradient control and partition mechanical compensation, is provided with a heating and cooling unit at a bending station, and is pre-pressed through a low-friction coating pressure plate and a high-strength spring at an outer tension area, so that the metal products are rapidly and intelligently stamped. In the inner side pressed area, a stepped material ejecting block is designed to be matched with a multi-rigidity spring set, so that partition elastic yielding is achieved, redundant materials are absorbed, wrinkling is restrained, a wedge-shaped ejector rod and a wedge-shaped floating sliding block are designed in a transition area, and springback is counteracted through material ejecting and pressing and active pre-compression in the middle and later period of bending; besides, the bending force curve is monitored in real time through intelligent closed-loop control, theoretical value deviation is compared, temperature control parameters and the bending speed are adjusted in a self-adaptive mode till the springback value is stabilized within the error range, and the problems of how to synchronously restrain bending defects and accurately control the springback value in the continuous stamping process in the prior art are solved.

The invention provides a plate shape control and plate thickness precision collaborative optimization method in the rolling process of a cold-rolling mill, which relates to the technical field of cold-rolling mill control, and comprises the following steps: acquiring contact parameters between a rolling working roll and a supporting roll, determining a contact stress distribution state, and acquiring the bending deformation of the working roll; constructing a coupling mapping relation between plate shape moment distribution and stress distribution; a compensation coefficient is adaptively adjusted according to the rolling state, and a dynamic collaborative optimization objective function is established; and working roll bending force and supporting roll displacement meeting the target are obtained through calculation, and rolling parameters are adjusted in real time. According to the method, cooperative control over the plate shape and the plate thickness is achieved, and the quality of cold-rolled products is improved.

The invention relates to the technical field of mechanical fatigue testing, in particular to rotary bending fatigue testing equipment for a rotor shaft, which comprises a base, a rotary driving module, a loading module, a dynamic balance module, a crack monitoring module and an adjusting module, and is characterized in that the rotary driving module drives the rotor shaft to rotate through a belt transmission assembly; the loading module adopts a lever type force reversing mechanism to realize accurate bending moment loading; the dynamic balance module automatically counteracts eccentric vibration through a free disc and a symmetrical bearing seat; the crack monitoring module captures vibration abnormity and internal crack initiation in real time; and the adjusting module is automatically adapted to different shaft lengths by driving a threaded screw rod through a motor. Anti-slip lines are arranged on the inner sides of the clamps at the two ends to ensure stable clamping; the levers are symmetrically arranged and matched with the locking nuts, so that switching of translation force or bending force applied by the levers is facilitated, the equipment realizes high-precision and full-period fatigue test, and the device is suitable for reliability evaluation of key rotor parts of aero-engines and steam turbines.

The utility model relates to the technical field of steel bar wire machining, and discloses a portable steel bar bending device which comprises a support, a hook reference part and a bending force application part. Two groups of hook reference parts are arranged at one end of the bracket, are parallel to each other and are arranged at intervals, and the two groups of hook reference parts are used for being hooked on reference steel bars and are rotatably arranged around the reference steel bars; the bending force application part is located in the area between the two sets of hook reference parts and arranged on the support, and the bending force application part is used for applying force to the target reinforcing steel bar when rotating around the reference reinforcing steel bar so that the target reinforcing steel bar can be bent at the preset position. The whole structure is simple, portable and capable of being hooked on a longitudinal bar anytime and anywhere and then directly bending a constructional steel bar, the accuracy and the matching degree of a rectangle formed by the steel bar can be higher, the structural requirement is met, and the construction quality and the construction efficiency are improved.

The invention discloses a bending device for aluminum product machining, and relates to the technical field of aluminum product bending equipment, the bending device comprises a supporting seat and a plurality of conveying guide wheel sets used for conveying strip aluminum plates, the conveying guide wheel sets are distributed along the surface of the supporting seat at equal intervals, and the bending device further comprises a first positioning wheel, a second positioning wheel, a first bending wheel set and a second bending wheel set; the first positioning wheel and the second positioning wheel are sequentially distributed in the distribution direction of the conveying guide wheel set, and the second positioning wheel is provided with a rotation driving mechanism used for applying bending force to the long-strip aluminum plate. The first bending wheel set is connected with the driving end of the rotary driving mechanism in a matched mode, and the second bending wheel set is connected with the first bending wheel set in a matched mode. According to the aluminum frame bending device, aluminum frame bending machining is conducted through four-point positioning of the first positioning wheel, the second positioning wheel, the first bending wheel set and the second bending wheel set, meanwhile, multi-point-position bending is generated, rapid bending forming is achieved, bending one by one for different positions is not needed, and the bending machining efficiency is improved.

The invention discloses a metal part physical performance detection device, and relates to the technical field of metal part detection, the metal part physical performance detection device comprises a workbench, the top surface of the workbench is slidably provided with two groups of moving assemblies, the opposite surfaces of the moving assemblies are fixedly provided with a group of bending assemblies, and the two groups of bending assemblies are internally slidably provided with a group of clamping assemblies; the two bending assemblies are jointly provided with a hydraulic assembly and a liquid guide assembly, a transfer assembly is installed on the top face of the workbench, a detection assembly is fixedly installed at the rear end of the transfer assembly, and a fixed point assembly is fixedly installed at the front end of the transfer assembly. According to the device, hydraulic oil can be cyclically switched among different cavities, so that the clamping assembly is driven to move up and down along the arc-shaped guide rail, the strip-shaped metal part is subjected to controllable bending force, meanwhile, the bending test point can be flexibly adjusted through cooperation of the movable support and the fixed-point support, and diversity and adaptability of experimental working conditions are ensured.

The present invention discloses a control method for the peak number of surface roughness in the rolling of EDT automotive sheets by a six-high aluminum cold rolling mill, including the following: (1) using a six-high HC cold rolling mill with Ф480mm / Ф560mm / Ф1300mm*2050mm; (2) roughening the rolls: after roughening, the surface roughness of the rolls is Ra: 1.9 - 2.4μm, and Rpc: 100 - 120 / cm; (3) calibrating the rolling force at 1000 - 3000 KN with the roll gap close to zero, and calibrating the bending force of the work roll Fwb and the intermediate roll FImb to be 15% - 30%; (4) adopting a rolling force control mode. The present invention can effectively improve the peak number and reduce the production cost; the product quality of automotive sheets has been significantly improved.

The invention belongs to the technical field of pipe fitting machining equipment, and particularly relates to a pipe bending and pipe expanding integrated pipe fitting machining device which comprises an expansion bent pipe, two sets of pipe clamping components, two sets of pipe clamping parts and two sets of pipe clamping parts, a metal shaping ball is placed in the expansion bent pipe, and the inner diameter pipe expanding work of the bent pipe is achieved through the extrusion acting force of the shaping ball on the inner wall of the expansion bent pipe. The clamping device is used for clamping the outer surface of the expansion elbow. According to the device, a bending force arm and a small thrust ball can be driven by a torsion motor to pressurize a shaping ball in an expansion elbow, so that pipe expansion machining on the inner wall of the elbow is achieved, the bending force arm rotates along with the axis of an inserting rotary drum, the small thrust ball can always directly face the shaping ball to conduct thrust extrusion movement, and the inner wall of the elbow is expanded. And the extrusion action point on the molding ball does not need to be manually adjusted, so that the problem of extrusion injury to an angle adjusting worker during punching can be effectively avoided, and the purpose of safe production is achieved.

A method is provided for determining a torque value of a torque applied by an electronic torque wrench that includes a handle, a square drive and a strain gauge. The method includes measuring an angular velocity and a normal acceleration of the handle as the handle is rotated relative to the square drive, and finding a length of a moment arm from the square drive to the handle based on the angular velocity and the normal acceleration. The method includes measuring a bending moment of a rotational force at the strain gauge that is located at a known distance from the handle, the bending moment measured as the rotational force is applied at the handle that produces the torque at the square drive. And the torque value is determined based on the bending moment, the length of the moment arm and the known distance.

The invention provides a method for improving the section profile of a cold rolling raw material, which comprises the optimization of a convexity target value of a finishing mill group, a CVC roll shifting amount and a rack roll bending force parameter, and specifically comprises the following steps: if a wave shape and / or a high point appears in the middle of strip steel, reducing the convexity target value; if the edge of the strip steel is warped and / or warped in a cat ear shape, the convexity target value is increased; if waves and / or high points appear in the middle of the strip steel, the CVC roll shifting amount is reduced; if the edge of the strip steel is warped and / or warped in a cat ear shape, the CVC roll shifting amount is increased; after the strip shape is straightened, the roll bending force of a floating rack in the finishing mill group is adjusted, and if a wave shape and / or a high point appears in the middle of the strip steel, the roll bending force is reduced; if the edge of the strip steel is warped and / or warped in a cat ear shape, the roll bending force is improved; and the roll gap deviation or the roll bending force of the midstream frame is adjusted according to the actual strip shape of the strip steel. Adjustment of the plate shape and the section wheel is considered, and control over the effective section contour of the strip steel is guaranteed.

The utility model provides an endoscope needle tube puncturing and suturing device. The endoscope needle tube puncturing and suturing device comprises a mounting shell, a needle tube assembly, a driving assembly and a suturing assembly. The control piece controls the driving piece to rotate relative to the mounting shell, and the driving piece drives the connecting piece to move relative to the mounting shell, so that the connecting piece drives the arc-shaped puncture needle tube to rotate relative to the mounting shell. The control piece directly drives the arc-shaped puncture needle tube to be opposite to the mounting shell through matching of the driving piece and the connecting piece. The influence of the length of the needle tube assembly and the elastic tube, the stress bending of the elastic tube and the friction between the needle tube assembly and the mounting shell on the puncture force borne by the arc-shaped puncture needle tube is small, that is, the acting force of the control piece is effectively converted into the puncture force of the arc-shaped puncture needle tube through the matching of the driving piece and the connecting piece; and the arc-shaped puncture needle tube has enough puncture force, so that the arc-shaped puncture needle tube can quickly penetrate through human tissues, and the suture efficiency and implementation reliability of the product are improved.

The application discloses an automatic welding device for welding thin-wall steel pipes and belongs to the technical field of steel pipe welding processing, which comprises two thin-wall steel pipe bodies, a supporting base, concentric adjusting structures arranged at the two ends of the supporting base, concentric limiting structures arranged on each of the concentric adjusting structures and in sliding fit with the concentric adjusting structures, a concentric detecting structure arranged on the supporting base and facing the welding positions of the two thin-wall steel pipe bodies, and an automatic welding structure arranged at the middle position of the supporting base and used for welding the two thin-wall steel pipe bodies. The automatic welding device can adjust the two thin-wall steel pipes to be in a concentric state, and when the two thin-wall steel pipes are adjusted to be concentric, the stress of the weld is uniformly distributed when the weld bears external force. After welding is completed, the stress at the weld can be uniformly dispersed in the whole welding area no matter whether the weld bears axial tension, pressure or bending force.

The invention belongs to the technical field of pipe bending machines, and particularly relates to adjustable pipe bending equipment which comprises an equipment platform. The clamping mechanism is used for clamping and fixing the steel pipe above the equipment platform, so that subsequent pipe bending operation is facilitated; the position adjusting mechanism is used for adjusting the pipe bending position of the steel pipe and comprises a sliding seat which is slidably connected to the upper end of the equipment platform in the horizontal direction, an adjusting lead screw is rotationally connected to the equipment platform, and the sliding seat is in threaded connection with the adjusting lead screw; the upper end of the equipment platform is fixedly connected with a first adjusting motor used for driving the adjusting lead screw. And the angle adjusting mechanism is used for adjusting the pipe bending angle of the steel pipe. According to the multi-stage pipe bending machine, the multi-stage pipe bending mechanism is arranged, bending force is applied to a steel pipe in a segmented mode through linkage of a hydraulic system, a gear and a rack, the circulation mode of bending, feeding and re-bending is achieved, and concentrated stress is dispersed to multiple stages.

The invention discloses a method for improving the same-plate difference of non-oriented silicon steel through multi-process coordinated regulation and control. The method comprises the following steps: cooperatively controlling the following key process parameters: 1) hot continuous rolling process control: plate shape target control; width control; configuring and grinding a roller; a roller changing period; (2) five-rack acid continuous rolling procedure control: roller configuration; grinding the roller; and roll bending force control is conducted, specifically, the roll bending force of working rolls of all the racks is set to be 320 + / -20 kN for the rack S1, 330 + / -20 kN for the rack S2, 330 + / -20 kN for the rack S3, 330 + / -20 kN for the rack S4 and 330 + / -20 kN for the rack S5, an automatic mode is adopted, and dynamic adjustment is conducted according to feedback of a real-time strip shape instrument. According to the method, key process parameters in the whole hot rolling and cold rolling process are accurately controlled, the synergistic effect is formed, the transverse thickness uniformity of the strip steel is fundamentally improved, and therefore the high-quality non-oriented silicon steel product with the extremely small same-plate difference is obtained.

The invention discloses a high-stability weighing sensor based on self-adaptive structure adjustment, relates to the technical field of weighing sensors, and aims to solve the technical problem that the sensor bears unbalance loading force due to the fact that the placement position of an object is deviated, and the high-stability weighing sensor comprises a fixed base and a resistance strain type weighing sensor fixedly installed at the top of the fixed base. An adjusting mechanism is arranged at the top of the fixed base, and a stabilizing mechanism is arranged at the top of the adjusting mechanism. According to the invention, the floating seat is connected with the bearing seat through the spherical universal joint, and when a weighing object is placed at the edge of the bearing seat and causes unbalance loading, the spherical universal joint can actively adjust the posture of the bearing seat through inclination, and the L-shaped elastic arm at the unbalance loading side is matched to generate tiny bending due to increased stress; in the force transmission process, the first arc thin connection section can deform through self elasticity, interference of transverse component force on the main elastic body is eliminated, and the problem that the sensor bears unbalance loading force due to the fact that the placing position of an object is deviated is solved.

The present application relates to the field of stamping equipment, especially to a kind of stamping integrated equipment and method of energy storage steel row, including rack, the top of the rack is fixedly connected with workbench, the top of the workbench is installed with bottom plate, the top of the bottom plate is installed with lower die plate, the rear side of the workbench is installed with fixed frame, the front end of the fixed frame is fixedly connected with hydraulic cylinder in upper portion, the bottom of the hydraulic cylinder is fixedly connected with mounting plate in telescopic end, the bottom of the mounting plate is installed with upper die plate by bolt, the bottom of the upper die plate is all penetrated and slidably connected with guide pillar, the bottom end of the guide pillar is all fixedly connected with middle pressure plate, ultrasonic vibration head is arranged in bending stage, and high-frequency vibration is transmitted to bending plate by vibration piece and hydraulic medium, high-frequency dynamic stress disturbance is applied to material while the mechanical bending force acts, can promote material internal dislocation movement and plastic flow, reduce local deformation resistance, to effectively reduce bending forming force.

The present invention relates to the technical field of ships, and proposes a hull connection device for a dredger, which includes two connected first fixing mechanisms and two connected second fixing mechanisms. A connection mechanism is fixedly connected to the middle of the two first fixing mechanisms and the two second fixing mechanisms. The first fixing mechanism includes a first connection frame and a second connection frame, a third connection frame and a fourth connection frame that are fixedly connected, as well as two first hinge frames and two fixing blocks. The two first fixing mechanisms and the two second fixing mechanisms are respectively fixed on the decks of two dredgers to connect and fix the two dredgers. By using the second electric push rod and the fifth electric push rod to tighten the distance between the upper and lower layers of the first fixing mechanism and the second fixing mechanism, the hull can be fixed. Moreover, the two connected first fixing mechanisms and the two second fixing mechanisms are fixed through the connection mechanism, and the connection mechanism provides resistance to bending force and torsion as well as excellent stability.

The invention discloses a membrane switch production laser cutting machine convenient to clean, and relates to the technical field of precision machining in electronic manufacturing, the membrane switch production laser cutting machine comprises a laser cutting machine body, and two pairs of hinged supporting arm assemblies are arranged in a cavity area in the middle of a cutting table of the laser cutting machine body; the two pairs of supporting arm assemblies form a foldable rectangular frame through a hinge structure, and each supporting arm assembly comprises a main arm extending in the longitudinal direction. Controllable bending force is synchronously applied to the membrane switch through folding actions of the foldable supporting arms, so that a material is locally slightly bent and deformed, and interlayer adhesive force between a waste material and a finished product material is weakened. And the internal stress of the bent film is redistributed, so that the bonding strength of waste materials at the cutting edge and the substrate is reduced, and the bent film is easier to naturally fall off under gravity or slight vibration, thereby facilitating collection of finished product materials and waste materials after cutting and improving the sanitary environment of a cutting table.