6863results about How to "Even by force" patented technology

The invention relates to the technical field of logistics automation, in particular to a full-automatic stacking method and system based on machine vision and path planning, and the method comprises the following steps: based on three-dimensional point cloud data of goods, extracting point cloud coordinates, normal vectors and curvature values of the surface of the goods, calculating the geometric segmentation range of point cloud edge features, and calculating the geometric segmentation range of the point cloud edge features; and calculating a fitting relationship between the boundary size and curvature distribution. According to the method, the surface point cloud coordinates, the normal vector and the curvature value are extracted based on the three-dimensional point cloud data, the accuracy of geometric feature description of the complex cargo surface is enhanced, the geometric center and the variance range are reasonably determined through spatial distribution analysis and feature set classification, the accuracy and stability of shape classification are improved, and the accuracy and stability of shape classification are improved through gravity center and size deviation calculation. The position and pressure distribution of the contact point are optimized, the space priority analysis of the grabbing point and the obstacle point is combined, the path planning and obstacle point elimination strategy is optimized, the path conflict is reduced, and the flexibility and efficiency of logistics operation are improved.

The utility model discloses a wafer rotary drying device. The wafer rotary drying device comprises a rotary platform; the multiple clamping jaws are distributed in the circumferential direction of the rotating platform at intervals. The clamping jaws are connected to the rotating platform through rotating shafts correspondingly. The side, facing the wafer, of the clamping jaw is provided with a horizontal placement face used for horizontally supporting the back face of the wafer. The climbing surface is arranged on the peripheral side of the horizontal placement surface; the clamping surface is arranged on the peripheral side of the climbing surface and can be matched with the climbing surface to clamp the edge of the wafer; when the rotating platform rotates, the upper portions of the clamping jaws rotate inwards and downwards, the clamping face and the climbing face of each clamping jaw are matched, and the multiple clamping jaws clamp the wafer together. The utility model also discloses a wafer rotary drying method. According to the utility model, the cleaning and drying effects of the back of the wafer are improved; the rotating platform does not participate in clamping of the wafer, so that the number of consumables is remarkably reduced; relative sliding of the wafer and the clamping jaw is effectively avoided, and rotation stability is improved.

The utility model provides a steel brick composite flange brick for forming rolled glass, which is arranged on two sides of the top surface of a lip brick, a calender is arranged behind the lip brick, the calender comprises an upper calendering roller and a lower calendering roller, the steel brick composite flange brick comprises a flange brick body, a top end part a and a bottom end part b, cambered surfaces arranged at the upper part and the lower part of the tip part a are respectively matched with the upper calendaring roller and the lower calendaring roller, and a clamping part a clamped on a lip tile is arranged on the inner side of the cambered surface at the lower part of the tip part a; and at least the part between the upper calendering roller and the lower calendering roller is arranged in a profiling manner according to the outer contour of the tip part a, and the baffle structure is made of heat-resistant steel. By arranging the steel baffle structure which is profiled with the outer contour of the flange brick on the inner side of the tip end of the flange brick, the steel baffle structure provides an accurate contour, the flange brick body provides structural strength and heat preservation, the steel baffle structure is small in area, the heat dissipation area and the heat dissipation speed are greatly reduced, the production cost is reduced, and the edge clearing loss is greatly reduced; the problem that in the prior art, a steel flange brick is large in heat dissipation area and too fast in heat dissipation, so that the glass edge is crystallized, and edge loss is large is solved.

The machining tool comprises a base and a clamping device arranged on the base, the clamping device comprises clamping units arranged on the periphery of a workpiece to be machined, and a base for fixing the clamping units is arranged on the base; the clamping unit comprises a box body fixed to the base and an air cylinder arranged on the side, away from a workpiece, of the box body, and a plurality of ejector rod mechanisms pushed by the air cylinder are arranged on the side, close to the workpiece, of the box body. The ejector rod mechanism is of a two-section type and comprises a piston in the middle and a piston rod close to one side of a workpiece, a first cavity is formed between the piston and the piston rod, electrorheological fluid is arranged in the first cavity, and an electrode is arranged on the inner wall of the first cavity; according to the novel machining tool, a workpiece in a complex shape can be clamped through the telescopic ejector rod mechanism, meanwhile, the electrorheological fluid in the first cavity and the electrorheological fluid in the second cavity can be converted into a solid state, stable supporting can be provided, and vibration during machining can be reduced through control of the controller.

The invention discloses a pile-beam integrated bridge girder erection machine which comprises a main beam, a front auxiliary supporting leg, a front supporting leg, a middle supporting leg, a rear supporting leg and a pile driving device, and is characterized in that the main beam comprises a left auxiliary main beam and a right auxiliary main beam which extend front and back, and a steel bar connecting frame is arranged on the front portion between the two auxiliary main beams for connection and fixation; supporting beams extending front and back are fixed to the left end and the right end of a bottom beam of each auxiliary main beam, and a top beam horizontally extending front and back is fixed to the top of each auxiliary main beam. A temporary supporting leg composed of a temporary connecting base, a temporary supporting leg barrel and a temporary supporting block which are installed at the front end of a main beam can support the front end of the main beam after the main beam moves forwards, stable supporting of the main beam is guaranteed, and components such as a front supporting leg and a middle supporting leg move forwards normally in the follow-up process; the left side and the right side of the supporting base are each provided with the two reverse rolling wheel sets, and the reverse rolling wheel sets are installed on the main beam, so that the stress dispersion effect on the main beam is better, and the stress of the main beam is more uniform.

The invention belongs to the field of food processing equipment, and particularly relates to a meat paste making device for food processing, which comprises a base plate and the like, the base plate is an assembly carrier of the device, the two supporting columns are symmetrically and fixedly connected to the base plate, the supporting seat is installed on the two supporting columns in a sliding mode, and a plurality of limiting blocks are annularly arranged on the top face of the supporting seat at intervals. The discharging barrel is placed on the supporting seat through the limiting block, an opening is formed in the top of the discharging barrel, and the discharging barrel is a muddy meat making container; the hammering mechanism is arranged at the upper parts of the two supporting columns, and the hammering mechanism is used for hammering meat paste in the discharging barrel. Minced meat is hammered alternately through two hammering blocks in the hammering mechanism, the making efficiency of the minced meat in the discharging barrel is effectively improved, the discharging barrel can be gradually lifted along with hammering of the minced meat in cooperation with the lifting mechanism, it is ensured that the hammering blocks can effectively act on the minced meat in the whole hammering process, and the problem that hammering is not in place is avoided.

The invention discloses a detection method for plastic packaging bag production, and relates to the technical field of plastic packaging bag production, and the detection method specifically comprises the following steps: 1, placing a plastic packaging bag on a detection table, enabling an upper clamping plate and a transverse plate to move downwards, enabling the upper clamping plate to firstly contact with the packaging bag, and carrying out preliminary positioning; 2, after the pressing plate makes contact, an adjusting plate makes contact with the packaging bag and pushes the packaging bag to move towards the two sides, and stretching, unfolding and flattening are achieved through assistance of balls; 3, the upper clamping plate continues to move downwards, the extension plate makes contact with the fixed plate and is limited, the position of the pressing plate is determined, then a first air cylinder is started to drive a movable plate to move towards one side, and a control assembly on the movable plate drives the to-be-tested plastic packaging bag to be subjected to a stretching test. According to the detection method for plastic packaging bag production, the plastic packaging bag is stretched, unfolded and flattened through the adjusting plate, it can be ensured that the packaging bag is in a flat state in the detection process, and therefore the real physical performance of the packaging bag can be reflected more accurately.

The invention discloses a device and a method for a low-speed wind tunnel gust or flutter half-mode test, belongs to the field of wind tunnel tests, and aims to solve the problems that an existing gust or flutter half-mode test device cannot realize complete release of heaving and pitching degrees of freedom and is difficult to share the two tests. The device comprises an overall frame, the overall frame is installed in a wind tunnel test section, two sliding rails are vertically arranged on the front end face of the overall frame, two sliding block sets are arranged on the left side and the right side of the rear end face of a tackle, the two sliding block sets are in sliding fit with the two sliding rails in a one-to-one correspondence mode, two spring seats are arranged at the top end of the overall frame, and horizontal shafts are arranged on the spring seats. The inner ring ends of the two clockwork springs are connected with the horizontal shafts of the two spring seats in a one-to-one correspondence manner, the outer ring ends of the two clockwork springs respectively droop to be connected with the pulley, and the model mounting seat is cylindrical and is in running fit with the pulley; the device can be used for a gust load retarding test and a body degree of freedom flutter test, and can be shared by the two tests.

The invention discloses a high-temperature superconducting Tokamak cold shield assembly assembling system and method. The high-temperature superconducting Tokamak cold shield assembly assembling system comprises a positioning assembly, a welding assembly, a supporting frame, supporting legs, a locking mechanism and a driving mechanism. The invention relates to the technical field of welding tools. According to the high-temperature superconducting Tokamak cold shield assembly assembling system and method, the supporting frame is arranged to be installed around the lower-layer high-temperature superconducting Tokamak cold shield, the positioning assembly and the welding assembly can be placed on the supporting frame in sequence, and the positioning assembly can abut against the lower-layer high-temperature superconducting Tokamak cold shield by half; the high-temperature superconducting Tokamak cold shield suspended on the upper layer to be put down is positioned and guided, it is guaranteed that the high-temperature superconducting Tokamak cold shield can be accurately in butt joint with the high-temperature superconducting Tokamak cold shield on the lower layer, and then the problem that butt joint dislocation of the heavy high-temperature superconducting Tokamak cold shield is difficult to adjust is solved. And after the positioning assembly is taken down, the welding assembly is replaced, the welding assembly can be driven by the driving mechanism to rotate around the high-temperature superconducting Tokamak cold shield along the supporting frame for welding, and manpower is saved.

The utility model provides a door pocket nailing machine, and belongs to the technical field of door pocket machining. The conveying assembly capable of ascending and descending is arranged below the supporting table of the main machine frame, conveying of the door pocket plate in the area where the supporting table is located is achieved through the ascending conveying assembly, and meanwhile the barrier strip feeding assembly is arranged on one side of the main machine frame. Storing, transverse transferring and grabbing of barrier strips are achieved through a material frame, a transverse moving lifting conveying set and a grabbing assembly in the barrier strip feeding assembly, a nailing assembly is arranged on the main machine frame and located below a supporting table, the barrier strips and door pocket plates embedded into embedding grooves are subjected to nailing operation through the nailing assembly, automatic nailing is achieved, and the nailing efficiency is improved. And meanwhile, the problem that the consistency of the nailing distance cannot be ensured by manual nailing is also avoided, so that the processed door pocket can be stressed more uniformly, and the quality of the door pocket is improved. In addition, manual transferring and nailing operation is not needed in the whole machining process, the workload is effectively relieved, and the machining efficiency is improved.

The utility model discloses a lagging jack mounting trolley capable of accurately positioning a lagging jack. The lagging jack mounting trolley comprises a trolley main body and a steering system, an arch frame lifting and jacking device is arranged on the trolley body, the arch frame jacking device comprises two jacking longitudinal beams which are arranged in parallel in the longitudinal direction of the trolley and provided with a plurality of arch frame carrying trolleys, and the jacking longitudinal beams ascend and descend based on jacking oil cylinders at the two ends; the two plane scanning laser radars are located at the front end and the rear end of the vehicle and used for obtaining tunnel side wall contour data; the bearing cross beam is arranged between the jacking oil cylinder and the jacking longitudinal beam, and a position adjusting device is connected between the jacking longitudinal beam and the bearing cross beam. The device has the advantages that the plane radar is used for obtaining tunnel contour data to control a vehicle to run in the middle, the position adjusting device is used for adjusting the left-right position and the deflection angle of the vehicle, and the purpose of accurately positioning the arch center is achieved. Labor intensity can be relieved, potential safety hazards are reduced or eliminated, accurate centering of the arch center can be rapidly achieved, and the installation efficiency of the arch center is improved.

The invention provides forming equipment of a photovoltaic support plate, the middle part of the photovoltaic support plate comprises a middle support structure, and the two sides of the photovoltaic support plate comprise a first side support structure and a second side support structure; the forming equipment comprises a rack and a forming assembly. The middle part of the forming assembly is used for forming a middle supporting structure, the right side of the forming assembly is used for forming a first side supporting structure, and the left side of the forming assembly is used for forming a second side supporting structure; the right side of the forming assembly is sequentially divided into a first right forming area, a second right forming area, a third right forming area and a fourth right forming area in the conveying direction. By applying the technical scheme, the forming equipment which can form a more complex and stable side support structure can be provided.

The invention discloses a PCBN (Polycrystalline Cubic Boron Nitride) composite sheet and a sintering process thereof. The sintering process of the PCBN composite sheet comprises the steps of material mixing, hot prepressing sintering, hot prepressing cooling, cubic pressure sintering and cooling to the room temperature, and raw materials in the mixed material comprise, by mass, 30%-85% of CBN micro powder and 15%-70% of binding agent micro powder. The PCBN composite sheet prepared by the sintering process is high in surface flatness and has relatively high hardness and cutting output.

The utility model provides an endoscope and a head end part thereof. The head end part comprises a head end seat shell and a forceps lifting seat, a containing cavity is formed in the head end seat shell, the containing cavity is communicated with an instrument channel of the endoscope and forms an extending window for extending out of a medical instrument, and an abutting part is arranged on the edge of the extending window; a first guide face extending from the far end to the end of the rotating shaft is arranged on the forceps lifting seat, the first guide face is used for supporting the medical instrument and guiding the medical instrument to a preset path, the first guide face is provided with an abutting position corresponding to the abutting portion, and when the forceps lifting seat is lifted to a preset angle, the abutting portion is located on the first guide face. The abutting position is matched with the abutting part to clamp and fix the medical instrument supported by the first guide surface; a positioning groove is further formed in the far end of the forceps lifting seat, at least part of the positioning groove is formed in the first guide face, the positioning groove is used for positioning the medical instrument located on a preset path, and the abutting position is located outside the positioning groove. Based on the scheme, the convenience of instrument replacement can be improved.

The invention discloses vacuum brazing equipment and method for a plate-fin heat exchanger, relates to the field of welding, and aims to solve the problems of low heating efficiency and difficulty in deformation control caused by structural characteristics of the plate-fin heat exchanger and characteristics of vacuum radiation heating at present. Structures such as a hydraulic control system, an upper water-cooling sealing conductive pressure head, a lower conductive base and a tool are added on the basis of traditional vacuum brazing equipment, the structures are compounded with a furnace pipe, an upper electrode of the upper water-cooling sealing conductive pressure head is of a distributed structure and can move up and down through the hydraulic control system, and the upper electrode of the lower water-cooling sealing conductive pressure head can move up and down through the tool. And by matching with a tool, a workpiece can be always stressed uniformly, and continuous and stable self-resistance extremely-fast heat generation electrifying can be ensured. Double-feedback series control is adopted to achieve double-heat-source heating, the heating process time is shortened, a pressure-temperature coupling control method is adopted, it is ensured that stress is uniform, deformation is reduced, and the heating efficiency and the welding quality consistency are improved. And rapid and uniform heating and small deformation control of the workpiece can be realized.

The invention belongs to the technical field of welding fixtures, and particularly relates to a welding fixture for question and answer robot production, which comprises a guide part, clamping parts are symmetrically arranged on the left side and the right side of the guide part, each clamping part comprises a lifting base, and a clamping sleeve is fixedly connected to the top of each lifting base. According to the device, when the clamping sleeves on the two sides are used for clamping a welding workpiece, the effect that the clamping soft plates stably clamp the side edge of the workpiece can be achieved only by continuously pressurizing an inner cavity of the interlayer barrel shell through a pressurizing pump under the condition that it is guaranteed that the internal pressure intensity of the interlayer barrel shell is stable, and due to the fact that each clamping soft plate is divided into four areas, the clamping effect of the clamping soft plates is greatly improved; the block bodies in the areas where the clamping soft plates are located can be bent relatively, so that after uniform pressurization, the clamping soft plates can be uniformly attached to the outer surfaces of irregular workpieces under the pressing action of the sliding sleeves, tight clamping work is achieved, and the problem that the workpieces are not tightly clamped and slip is avoided.

The invention provides an underwater humanoid dexterous hand, and particularly relates to the technical field of bionic machinery, according to the underwater humanoid dexterous hand, a spring electromagnet is used for locking a corresponding tendon rope group, then a soft body is driven to be connected into liquid, a sliding block slides on a sliding rod, the corresponding tendon rope group is pulled, and the tendon rope group is driven to rotate; the tendon rope set is driven to operate corresponding to the palm assembly or the finger assembly, object grabbing and other work are completed, the driving soft body is matched with hydraulic pressure to pull the tendon rope set to operate, and the robot can adapt to a deep water area and resist large water pressure.

The invention provides a winding device and cable manufacturing equipment, the winding device comprises a rotating mechanism for driving a wire spool to rotate, a rotation driving mechanism, a cable guiding mechanism for guiding a cable to the rotating wire spool, a moving mechanism, a moving driving mechanism and a winding control mechanism, the cable guiding mechanism is provided with a guiding assembly and an angle detection assembly, the angle detection assembly can detect the inclination angle of a cable section which is located between the guiding assembly and the wire spool and is about to enter the wire spool relative to the axial direction of the wire spool, and the wire winding control mechanism controls the moving speed of the cable guiding mechanism according to the inclination angle. The inclination angle is kept within a preset inclination angle range, so that a new winding part formed by winding the cable section on the wire spool is tightly attached to the previous winding part, the newly formed winding part and the previous winding part are not overlapped, and the cable can be wound on the wire spool in an orderly arrangement manner.

The invention discloses a rotary positioning assembly device of an optical lens, which comprises a bottom plate, a fixing rod and a top plate, the fixing rod is vertically fixed on the bottom plate, the top plate parallel to the bottom plate is fixed on the fixing rod, an air cylinder is fixed on the lower end surface of the top plate, and a fixing plate is fixed at the output end of the air cylinder. And an assembling mechanism is mounted on the fixing plate and comprises a mounting plate, a vertical rod, a second spring, a rotating shaft, a pressing plate, a gear, a convex tooth rod, a connecting rod and a transverse rod, and the mounting plate is arranged under the fixing plate. According to the rotary positioning assembly equipment for the optical lens, the elastic clamping and limiting mechanism is adopted, lens cones of different sizes can be fixed, the adaptability of the equipment is improved, the rotary pressing effect can be achieved in the assembly process of the lens cones and the lens in cooperation with the assembly mechanism, the pressing plate evenly applies pressure to the lens, it is guaranteed that the lens is evenly stressed, and the production efficiency is improved. Therefore, the lens can be prevented from being damaged due to uneven stress.

The invention relates to the technical field of road thickness detection, in particular to a road thickness detection coring device which comprises a rack, a coring barrel, a driving assembly, a propelling assembly and a traction assembly are arranged on the rack, the driving assembly drives the coring barrel to rotate, the propelling assembly pushes the coring barrel to move up and down, and the traction assembly drives the coring barrel to move up and down. The traction assembly can enable the coring barrel to be stressed more evenly, fluctuation of the coring barrel in the sampling process is reduced, the sampling accuracy is improved, meanwhile, the service life of the coring barrel can be prolonged, a scraping block is arranged on the side wall of the coring barrel, and therefore the coring barrel can be scraped more conveniently. The side wall of a hole drilled by the coring barrel can be scraped into a wave shape by the scraping block in the sampling process of the coring barrel, so that when the hole is filled, the filler can be supported by the wave-shaped side wall, and the probability that the filler in the hole settles is reduced.

The invention discloses a machining technology for an arc plate. The machining technology comprises the following steps that S1, an arc-shaped mold is manufactured; s2, machining a to-be-machined part, wherein a plurality of thin plates are sequentially stacked and attached to form the to-be-machined part, and the thickness of the to-be-machined part is the same as that of the needed arc plate; s3, pressure maintaining and shaping are conducted, specifically, the arc-shaped mold is placed in a sealing box, then a to-be-machined part is placed on the arc face of the arc-shaped mold, a flexible sealing cover of the sealing box covers the arc-shaped mold, and then an air pressure difference is formed between the inner side and the outer side of the flexible sealing cover; and the flexible sealing cover deforms and extrudes the to-be-machined part under the action of the air pressure difference so that the to-be-machined part can be completely attached to the arc face of the arc-shaped mold, the attaching state can be kept for a preset duration, and an arc plate matched with the arc face in radian can be formed. The problems that the surface of a product is uneven, irregular in radian and distorted due to the fact that an upper die and a lower die need to be matched in an existing arc plate machining process are solved.

The invention discloses a transformer winding drying constant pressure device, which relates to the field of transformer production, including a base and a hydraulic lifting device, wherein the top of the base is rotatably connected to a cross rotating frame, and a third motor driving the cross rotating frame to rotate is installed on the top of the base, and the four arms of the cross rotating frame are all slidably connected to a bottom block, and the bottom of the bottom block is rotatably connected to a bottom roller, and the bottom roller protrudes from the top of the bottom block. In the process of pressing the transformer winding up and down, the present invention can drive the bottom roller and the top roller to rotate and roll the top and bottom of the winding back and forth through the rotating frame and the top frame, so that the top and bottom stress points of the winding can be changed back and forth as much as possible, so that the winding is more evenly stressed, and when pressing down, the side rollers are also linked to approach the side of the extruded winding, and when the bottom roller and the top roller roll the top and bottom of the winding, the side rollers also roll the side of the winding, so as to ensure the flatness of the side of the winding, so that the winding is pressed more compactly.

The invention provides a precise blood vessel puncture mechanism, and relates to the technical field of medical instruments, and the precise blood vessel puncture mechanism comprises a vertical direction moving module, a rotating module, a binocular infrared module, an ultrasonic module and a puncture module. Through the binocular infrared module and the ultrasonic module, a target point conforming to vascular puncture in a space can be accurately searched and positioned. The vertical direction moving module and the rotating module can adjust the puncture angle and the needle inserting point of a puncture needle according to provided blood vessel and puncture point information, and the puncture module can set the puncture stroke and implement precise puncture operation.

The invention belongs to the technical field of traditional Chinese medicine preparations, and discloses a preparation process of an oral spray for inhibiting oral pathogenic bacteria, comprising a tank body, a tank cover arranged at the top of the tank body, a discharge pipe arranged at the bottom of the tank cover, a control valve arranged on the discharge pipe, a first motor fixedly mounted at the top of the tank cover, and a rotating shaft fixedly connected to the output end of the first motor; one end of the rotating shaft penetrates through the tank cover and extends into the tank body, and the outer surface of the rotating shaft is fixedly connected with a first movable plate. The traditional Chinese medicines have various active ingredients such as flavonoids, volatile oil and polysaccharides, the ingredients have broad-spectrum antibacterial, anti-inflammatory and treatment effects, a safer and more effective choice is provided for oral rehabilitation treatment, and by comprehensively considering factors such as microbial composition, immune state and oral mucosa change, the oral rehabilitation treatment effect is improved. In addition, by deeply researching the regulating effect of the traditional Chinese medicine spray on the oral microenvironment, a more comprehensive and accurate solution can be provided for rehabilitation treatment after implantation, and use is convenient.

The invention relates to the technical field of automobile stamping part machining, in particular to an automobile chassis stamping part machining device. A base is included; two limiting seats are fixedly installed at the upper end of the base in a front-back symmetry mode, and the limiting seats and the base are jointly provided with a punching mechanism. According to the punching mechanism, through cooperation of the shaping part and a mounting hole in a plate, the plate can be straightened and limited along with downward movement of the upper die block, through cooperation of the discharging part and the pushing part, a shock absorber support formed through punching can be pushed and discharged, subsequent feeding machining of the plate is facilitated, and the production efficiency is improved. And meanwhile, the pause time in the machining process of the shock absorber support is shortened, so that the stamping machining efficiency of the shock absorber support is improved, pushing and extruding can be conducted in the plate bending process through the bending part, abrasion of the limiting base is reduced, and the situation that the machining quality is affected due to uneven stress in the plate bending process is avoided.

The invention discloses an automatic processing device for diesel generator processing and a processing method, an intermittent rotating seat is rotatably mounted above a base, a composition jig is placed above the intermittent rotating seat, the composition jig is located between an inner supporting plate and an outer pressing plate, a plurality of stator cores are placed above the composition jig in an overlapping manner, and the stator cores are located between the inner supporting plate and the outer pressing plate. The inner side and the outer side of the stator core abut against the inner supporting plate and the outer pressing plate correspondingly, a lifting base is rotationally installed at the bottom end of a push rod of the hydraulic cylinder, a pressure maintaining plate is arranged below the lifting base, and two welding mechanisms are arranged on the upper portion of the base in a bilateral symmetry mode. The intermittent rotating seat is provided with the pressure maintaining mechanism, the stator iron core is stacked between the inner supporting plate and the outer pressing plate in the pressure maintaining mechanism, the stator iron core can be supported and positioned, the welding precision is improved, the inner supporting plate and the outer pressing plate can be far away from each other, the built-in space is large, and the stator iron core can be conveniently placed and taken out.

The invention provides a display screen and electronic equipment. The display screen comprises a display module and a display module, wherein the display module comprises a cambered surface section and a plane section; the supporting plate comprises a first supporting section, a second supporting section and a third supporting section, the second supporting section is located between the first supporting section and the third supporting section, the first supporting section is attached to the plane section, the second supporting section, the third supporting section and a connecting gap between the second supporting section and the third supporting section form a bent section, and the bent section is attached to the cambered surface section; the surface of the second supporting section is provided with a concave area, the hardness of the second supporting section is smaller than that of the first supporting section, and the hardness of the third supporting section is smaller than that of the first supporting section or the second supporting section. The second supporting section is provided with a concave area, so that the hardness of the second supporting section is smaller than that of the first supporting section, and bending of the second supporting section is facilitated. The hardness of the third supporting section is smaller than that of the first supporting section or the second supporting section, bending of the third supporting section is facilitated, attaching of the bent section and the cambered surface section is facilitated, and the problem that the supporting plate and the display module are prone to falling off is solved.

The invention relates to the technical field of rehabilitation training, and discloses a waist rehabilitation training device and a rehabilitation training method.The waist rehabilitation training device is characterized in that a muscle supporting assembly is mounted on a wearing assembly, and the muscle supporting assembly corresponds to human waist muscles; an air bag assembly is installed on the wearing assembly and arranged on the back of the human body and corresponds to the waist of the human body. A profiling supporting assembly is installed on the side, close to the waist, of the air bag assembly and correspondingly matched with the lumbar vertebra skeleton, and the height of the profiling supporting assembly is adjustable. By arranging the profiling supporting assembly corresponding to the lumbar vertebra on the wearing assembly, the profiling supporting blocks are arranged in one-to-one correspondence with the vertebrae on the back of the waist to achieve bionic assistance, the stress contact area of the profiling supporting blocks and the back of the waist is greatly increased, and the body surface of the waist is stressed uniformly relatively; the actual rehabilitation effect is improved; and in combination with a waist rehabilitation training method, rehabilitation training can be performed in stages according to the degree of waist injury, the design is ingenious, and the application prospect is very good.

The invention provides a flexible braided electrode and an electrochemical polishing method for a complex inner channel, and belongs to the technical field of electrochemical machining. The flexible braided electrode is formed by mutually braiding a plurality of flexible conductive wires and a plurality of flexible insulating wires according to a certain interval, the diameter of the insulating wires is larger than that of the conductive wires, and steps with a certain height are naturally formed between the insulating wires and the conductive wires, so that short-circuit burn caused by contact between the conductive metal wires and an inner channel can be avoided, mass transfer can be enhanced, and product discharge can be accelerated; the flexible woven electrode is of a hollow net-shaped cylindrical structure, internal and external compound flushing can be achieved, and the flushing effect is improved. During polishing, the flexible braided electrode can be bent and deformed in a bent inner channel in a self-adaptive manner, internal and external compound flushing is performed by utilizing the internal and external through characteristic, and electrochemical polishing of the complex inner channel is realized by combining rotation and reciprocating motion of the electrode. The invention provides the flexible braided electrode with ingenious conception, and the flexible braided electrode is supplemented with an innovative process method, so that high-efficiency and high-quality finishing of a complex inner channel can be realized.

The invention belongs to the technical field of cutting beds, and particularly relates to an integral opening and closing structure of a direct-drive type punching drill, which comprises a rack, the end part of an air cylinder fixing seat is rotatably connected to the rack, a locking mechanism is arranged between the air cylinder fixing seat and the rack, an air cylinder and a guide sleeve are arranged above the air cylinder fixing seat, and a punching drill assembly comprises a motor fixing plate, a hollow motor is arranged on the motor fixing plate, a hollow drill is connected to the lower end of a hollow rotating shaft of the hollow motor, the ejector rod penetrates through the hollow rotating shaft and extends into the hollow drill, and during normal punching work, the locking mechanism locks the air cylinder fixing base and the rack, and the air cylinder fixing base is fixed to the rack; when replacement and maintenance are needed, the locking mechanism is unlocked, and the punching drill assembly can be opened towards the side away from the rack. When replacement and maintenance are needed, enough operation space is reserved between the punching drill assembly and the cutterhead, an operator can operate flexibly, and the operator can replace a cut-off knife and a drill bit conveniently; and the structure is compact, interference with a cutterhead located below the rack is avoided, and the device is suitable for the automatic cutting bed.