1838results about How to "Easy to limit" patented technology

The invention relates to the technical field of tokamak device parts, in particular to a supporting system for a polar field coil in a tokamak device. Comprising a toroidal field coil, two first polar field coils, two second polar field coils, two third polar field coils, two first supporting assemblies, two second supporting assemblies and a third supporting assembly, one first supporting assembly is used for fixedly connecting the top end of the toroidal field coil with one first polar field coil, and the other first supporting assembly is used for fixedly connecting the top end of the third polar field coil. And the other first supporting assembly is used for fixedly connecting the bottom end of the annular field coil and the other first polar field coil. Wherein one second supporting assembly is used for fixedly connecting the upper part of the toroidal field coil and one second polar field coil, and the other second supporting assembly is used for fixedly connecting the lower part of the toroidal field coil and the other second polar field coil. And the third supporting assembly is used for fixedly connecting the middle part of the annular field coil and the two third polar field coils.

The invention provides an abnormal sound test bed for a steering pull rod. The abnormal sound test bed comprises a base, a positioning table and an excitation mechanism, the positioning table and the shock excitation mechanism are fixedly connected with the upper side of the base, and the shock excitation mechanism is arranged on the x-direction side edge of the base; the vibration excitation mechanism comprises a fixing frame, a vibration frame, a driving assembly and a plurality of elastic connecting pieces, the driving assembly comprises a transmission end capable of vibrating in the x direction, the transmission end is fixedly connected with the vibration frame, and each elastic connecting piece comprises an elastic piece, a first connecting part and a second connecting part. The first connecting part and the second connecting part are connected with the fixing frame and the vibrating frame respectively and enable the elastic piece to be arranged perpendicular to the x direction, the vibrating frame is provided with an installation base face arranged perpendicular to the x direction, and a butt joint is fixedly connected to the installation base face. According to the invention, the elastic connecting piece is arranged to limit the vibration frame, so that the vibration frame can only vibrate in the x direction, and the accuracy of abnormal sound test is ensured.

The invention discloses a cup lid stacking machine. The cup lid stacking machine comprises support feet, a base, a motor, a drive shaft, a limiting mechanism A, a cup taking mechanism, a rotary platform assembly A, a limiting mechanism B and a rotary platform assembly B. The support feet are arranged on four feet of the base. The motor is arranged on the base. One end of the drive shaft is connected to the motor. The limiting mechanism A and the limiting mechanism B are arranged on the base in parallel. The cup taking mechanism is arranged between the limiting mechanism A and the limiting mechanism B. The cup taking mechanism is connected to the drive shaft. The rotary platform assembly A and the rotary platform assembly B are arranged on the base. By the adoption of the cup lid stacking machine, the automatic multi-layer stacking of cup lids can be achieved, traditional manual stacking is replaced, and the machining efficiency of the cup lids is improved.

The invention discloses a shock wave heat loading high-temperature wind tunnel and a test method, and relates to the technical field of high-temperature wind tunnel test equipment. The shock wave heat loading high-temperature wind tunnel comprises a shock tube, a wind tunnel test system, a pressure acquisition system and an air intake and exhaust system; a high-temperature and high-pressure gas source is obtained in a secondary shock wave reflection heating mode, and the total temperature of the obtained heating gas source is higher; the high-temperature wind tunnel realizes gas heating and pressurization completely through shock wave flow, extra electric power and gas requirements are not needed, and the cost of a single test is lower; the high-temperature wind tunnel test gas is premixed, so that the components of the test gas can be accurately controlled, and the purity of the components of the test gas is ensured; the device can obtain a high-temperature high-pressure subsonic flow field and even a supersonic flow field covering wide-range working conditions, can be used for visualization test diagnosis of spray fuel atomization and spontaneous combustion processes under high-temperature crosswind, accurately characterizes physical and chemical characteristic parameters such as fuel atomization characteristics, self-ignition characteristics, flame propagation characteristics and the like, and has a wide application prospect. And test data support is provided for engine combustion chamber spray atomization combustion organization.

The utility model relates to an embossing device for processing paper products, and aims to solve the technical problems that when the existing embossing device processes the paper products, the paper products conveyed by a conveyor belt are easy to generate wrinkles, so that the embossed paper products are wrinkled, patterns are uneven, and the embossing quality of the paper products is influenced. A belt conveyor is mounted in an inner cavity of the U-shaped table, a rack is mounted at the top of the U-shaped table, a driving mechanism is mounted at the top of the rack, and an embossing mechanism is mounted on the inner side of the rack; electric telescopic rods are installed on the two sides of the top of an inner cavity of the rack correspondingly, driving motors of the two electric telescopic rods are fixedly connected with adjusting plates correspondingly, connecting blocks are fixedly connected to the two sides of one ends of the outer sides of the two adjusting plates correspondingly, and the opposite ends of the two sets of connecting blocks are rotationally connected with connecting rods through connecting shafts correspondingly. The embossing device has the advantages that the part, needing to be embossed, of the paper product is tightened, so that the paper product is prevented from wrinkling before being embossed, and the embossing quality of the paper product is improved.

The invention discloses a CNC machine tool with an anti-jamming servo tailstock, and relates to the technical field of machine tool equipment.The CNC machine tool comprises a workbench, a machine tool body is arranged at the upper end of the workbench, a spindle box is arranged at the upper end of the machine tool body, a chuck is arranged on one side of the spindle box, a fixing plate is arranged in the machine tool body, and a first servo motor is arranged on one side of the machine tool body; the output end of the first servo motor penetrates through the lathe bed and is provided with a lead screw, two supporting guide rods are symmetrically arranged between the fixing plate and the inner surface of one side of the lathe bed, a moving block is arranged on the outer surface of the lead screw, a tailstock sliding saddle is arranged at the upper end of the moving block, and a mounting table is arranged at the upper end of the tailstock sliding saddle. According to the CNC machine tool with the anti-jamming servo tailstock, the rear center can be stably driven to transversely move, impurities on the surfaces of the lead screw and the supporting guide rod can be efficiently cleaned and automatically lubricated during use, the jamming condition is prevented, and meanwhile, the center base body and the rear center can be conveniently disassembled, assembled and replaced.

The utility model provides an automatic feeding mechanism for a square magnetic sheet array, and belongs to the technical field of magnetic product machining. The split type material frame comprising the first frame body and the second frame body is arranged on the machine frame, the first frame body is provided with the material falling opening, the second frame body is provided with the multiple partition plates and the compensation plates blocking the material falling opening, meanwhile, the material pushing assembly is arranged at the end, provided with the material falling opening, of the material frame, and one end of the material conveying assembly extends to the position below the material falling opening. When the square magnetic sheets are stacked, the second frame body can be combined to the first frame body firstly, and the cavity of the first frame body is regularly separated by the partition plates of the second frame body, so that the square magnetic sheets can be stacked conveniently to form a plurality of rows of magnetic sheet groups, matrix arrangement of the square magnetic sheets is realized, and the disordered problem that the square magnetic sheets topple over and the like is prevented; subsequently, after the second frame body is detached, the multiple rows of magnetic sheet sets are gathered to the material pushing assembly, the square magnetic sheets of each row of magnetic sheet sets are sequentially pushed out of the material falling opening through the material pushing assembly and then fall onto the feeding assembly, and the automatic feeding requirement is met.

The utility model relates to the technical field of bus ducts, and discloses a waterproof connector for a bus duct, which solves the problem that water is easy to enter a current bus duct connector, and comprises a bus duct I and a bus duct II, and a connecting mechanism is arranged between the bus duct I and the bus duct II. The connecting mechanism comprises a middle frame located between the first bus duct and the second bus duct, and side frames are fixedly installed on the sides, close to each other, of the first bus duct and the second bus duct. According to the utility model, through cooperation between the positioning rods and the through holes and cooperation between the L-shaped plates and the U-shaped frames, connection between the two side frames and the middle frame is facilitated, through cooperation between the sliding plates and the U-shaped round rods and cooperation between the springs and the connecting plates, the U-shaped plates can be conveniently inserted into the two slots to stably connect the two side frames and the middle frame, and then the first bus duct and the second bus duct can be connected. And a rubber pad II and a rubber pad I are arranged to ensure the sealing performance between the bus duct I and the bus duct II, so that water is prevented from entering the joint of the bus duct I and the bus duct II.

The utility model relates to the technical field of air-type bus ducts, and discloses an air-type bus duct with a fixed plugging position, which comprises a bus duct, a positioning mechanism is arranged outside the bus duct, and a limiting mechanism is arranged inside the positioning mechanism. Through the arrangement of the positioning mechanism, in the use process, the positioning work of the connecting shell and the butt joint frame is facilitated through the arrangement of a positioning block, the butt joint work of the butt joint frame is facilitated through the arrangement of a second positioning frame, the limiting of the butt joint frame is facilitated through the arrangement of a limiting block, and the installation of the copper bar is facilitated through the arrangement of a positioning bracket; through the arrangement of the first positioning frame, the side plate can be conveniently positioned, under the cooperation of the protective cover plate, the copper bar is protected, meanwhile, the connecting shell and the butt joint frame can be conveniently limited, the bolt and the side plate are in threaded installation through rotating the bolt, and therefore the protective cover plate is limited, and operation is fast and convenient.

The utility model discloses a tissue culture flower rapid propagation induction device, and belongs to the technical field of flower planting. Comprising a bottom rod and multiple sets of culture plates, grooves are formed in the culture plates, limiting grooves are formed in the two sides of the grooves, the culture plates are slidably connected with a sliding plate through the limiting grooves, multiple sets of limiting pipes are evenly installed on the upper surface of the sliding plate, and a limiting assembly is installed in the center of the side face of the sliding plate. The tissue culture flower rapid propagation induction device has the beneficial effects that through arrangement of a limiting pipe, the limiting pipe provides limiting for a culture bottle, the situation that the culture bottle is touched and consequently the culture bottle falls off and is damaged is avoided, through arrangement of a limiting assembly, a sliding plate is conveniently limited, and when the sliding plate does not need to be pulled out, the sliding plate is fixed, so that the tissue culture flower rapid propagation induction device is convenient to use. Through sliding connection between the sliding plates and the culture plates, the sliding plates can be conveniently pulled out, the culture plates on the upper layer cannot hinder taking and placing of the culture bottles, and then the culture bottles can be conveniently taken and placed.

The invention relates to a welding system for a tank body, in particular to a P + T automatic welding system and method suitable for a square and round tank body, and aims at solving the problems that an existing circular seam welding method for the square and round tank body is tedious in step, consumes time and manpower, is poor in weld seam appearance forming and is high in repair rate. The system comprises a tank body clamping displacement assembly, a robot assembly and an AGV moving trolley. The tank body clamping displacement assembly comprises a displacement machine moving ground rail, two head and tail frame servo moving mechanisms arranged on the displacement machine moving ground rail, head and tail frame robot displacement machines arranged on the two head and tail frame servo moving mechanisms correspondingly, and a displacement machine control system electrically connected with the two head and tail frame servo moving mechanisms correspondingly. The robot assembly comprises a heavy-load robot moving ground rail and a welding robot. The two welding robots are each provided with a welding gun combination, and each welding gun combination comprises a plasma welding gun and an argon tungsten-arc welding gun.

The invention discloses a precise-positioning assembly robot for curved surface offset printing press manufacturing, and relates to the technical field of curved surface offset printing press manufacturing, the precise-positioning assembly robot comprises a stabilizing frame and a guiding frame, two sets of built-in grooves are formed in the stabilizing frame, and second stretching arms are slidably mounted in the built-in grooves; a first stretching arm is arranged in the other set of built-in grooves in a sliding mode, and a driving assembly used for assisting the first stretching arm and the second stretching arm to move alternately is installed on the outer side of the stabilizing frame. According to the accurate-positioning assembly robot for manufacturing of the curved-surface offset printing machine, through the design of the protection assembly and the fixing assembly, a curved-surface offset printing piece placed between two sets of positioning plates can be limited advantageously, and stable feeding and discharging treatment on the curved-surface offset printing machine can be facilitated; and when the air bag is used for limiting from the two sides of the curved-surface offset printing piece, the clamping force on the curved-surface offset printing piece can be judged according to the pressure value of the pressure sensor.

The utility model relates to the technical field of PVC (polyvinyl chloride) pipe production, and discloses a traction machine for PVC pipe production, which comprises a support frame, a plurality of driving rollers are arranged in the support frame, the upper surface of the support frame is fixedly connected with a support frame, the upper surface of the support frame is symmetrically and fixedly connected with two electric push rods, and the upper surface of the support frame is fixedly connected with a motor. The output ends of the two electric push rods extend to the lower portion of the supporting frame and are fixedly connected with fixing plates, the lower ends of the two fixing plates are fixedly connected with connecting plates, the lower ends of the two connecting plates are fixedly connected with first clamping plates, and the two ends of the two first clamping plates are movably connected with second clamping plates; when the traction machine is used, PVC pipelines with different diameters can be dragged, the PVC pipelines can be well limited, the deviation or bending condition is avoided, traction conveying is convenient, use is convenient, and meanwhile the PVC pipelines can be cooled through cold air.

The invention provides an adjustable water-saving valve for a multi-stage pipeline and a using method of the adjustable water-saving valve, and belongs to the technical field of valves.The adjustable water-saving valve comprises a shell formed by buckling a front cover and a rear cover front and back, the shell comprises a flow channel penetrating front and back in the length direction, and the adjustable water-saving valve further comprises T-shaped limiting grooves formed in the upper side and the lower side of the flow channel in the shell; a valve element is arranged in the shell flow channel and is in an I shape. According to the scheme, the valve element, the limiting pipe, the first water outlet pipe, the sleeve and the second water outlet pipe are arranged, the opening degree of the valve element and the rotating angle of the first water outlet pipe are in positive correlation, and in the small-flow state, water outlet is achieved only through the second water outlet pipe; the water flow generated under the dispersion action of the filter screen has a good washing effect, and a good cleaning effect can be achieved in actual use, so that the water consumption for washing is saved, and the water-saving effect is achieved.

The invention discloses a cleaning agent recycling system, and relates to the technical field of detergent recovery, the cleaning agent recycling system is characterized in that the inner side wall of a filtering tank body is fixedly connected with a ceramic filtering plate, the high-performance ceramic filtering plate is uniformly provided with ultra-micropores, the aperture of the ultra-micropores is less than or equal to 1nm, the top of the ceramic filtering plate is provided with a slope, and the top of the slope is provided with a water inlet. The outer side wall of the filtering tank body is fixedly communicated with a feeding pipe, the feeding pipe is positioned above the ceramic filtering plate, and the bottom of the filtering tank body is fixedly communicated with a return pipe; through cooperative use of the filtering tank body, the ceramic filtering plate, the slope and the feeding pipe, cleaning agent molecules can be accurately screened out conveniently according to the characteristics that the diameter of the cleaning agent molecules is smaller than 1 nm, and the diameter of oil dirt impurities, bacteria and the like cleaned by a cutter is larger than 1 nm, and meanwhile the oil dirt impurities, bacteria and the like are effectively blocked. Therefore, the cleaning agent and the oil dirt impurities can be fully separated, the filtering effect is improved, and the recycling rate of the cleaning agent is increased.

The invention discloses a pressing device for assembling a metal rod and a ceramic plate, which comprises a guide column, a pressing device, a pressing device and a pressing device, the guide column comprises a fixed outer column and a movable inner column, the fixed outer column is abutted against the ceramic plate, and the movable inner column is abutted against the metal rod and is slidably connected to the inside of the fixed outer column; the pressing assembly abuts against the movable inner column and drives the movable inner column to extrude the metal rod to be embedded in the ceramic disc, the movable supporting assembly is arranged below the ceramic disc, and the ceramic disc can move on the movable supporting assembly. The ceramic plate is arranged on the movable supporting assembly, so that the position of the ceramic plate can be flexibly changed on the movable supporting assembly, the metal rod is connected through the guide column, then the guide effect on the movement of the metal rod is achieved, and the movable inner column in the guide column is extruded through the pressing assembly; therefore, the movable inner column is driven to move relative to the fixed outer column, interference fit is formed by means of the good deformation characteristic of the metal rod, and therefore the stability of mechanical connection is guaranteed.

The utility model belongs to the technical field of plastic plate cutting equipment, and particularly discloses a plastic plate cutting device which comprises a working table, a laser cutting machine is arranged at the top of the working table, and two adjusting grooves which are symmetrically distributed are formed in the top of the working table. Sliding grooves which are evenly distributed and located between the two adjusting grooves are formed in the top of the workbench, and the two ends of each sliding groove communicate with the adjacent adjusting grooves correspondingly. Under the action of the dust removal mechanism, chippings generated in the cutting process can be guided into the collecting box to be stored through airflow coercing in cooperation with the flow guide part, the influence of chippings and dust on follow-up cut plates is reduced, part of the flow guide part is limited by the to-be-cut plates, and under the action of continuous air extraction of the draught fan, the chippings can be effectively removed. And the shielded flow guide piece generates suction force, the limiting effect on the plate is enhanced, and the situation that the cutting precision is affected by deviation in the cutting process is reduced.

The hydraulic valve assembly with the locking mechanism comprises a U-shaped plate, a sliding groove is formed in the inner bottom of the U-shaped plate, a two-way threaded rod is rotationally connected between the front inner wall and the rear inner wall of the sliding groove, the two threaded ends of the two-way threaded rod are both in threaded connection with sliding blocks, each sliding block is in sliding connection with the inner wall of the sliding groove, and the locking mechanism is arranged on the U-shaped plate. The upper ends of the two sliding blocks are both fixedly connected with clamping plates, a hydraulic valve body is placed at the bottom in the U-shaped plate and located between the two clamping plates, and the front end of the two-way threaded rod extends to the outside and is fixedly connected with a twisting block. And the locking structure is used for locking rotation of the two-way threaded rod, and the left side and the right side of the U-shaped plate are fixedly connected with mounting plates. Compared with the prior art, the pressure release valve assembly is more convenient to lock, in addition, after locking is completed, self-locking can be achieved, and the loosening condition is avoided.

The invention relates to the technical field of cement product overturning, and discloses a cement product prefabricated part overturning device which comprises a cement prefabricating mold and supporting frames located at the two ends of the cement prefabricating mold, supporting transverse rods are fixed to the upper portions of the supporting frames, and lifting assemblies are arranged on the supporting frames. A first servo hydraulic cylinder is fixed to the lifting assembly, a mounting plate is fixed to the end of the first servo hydraulic cylinder, a servo motor is fixed to the mounting plate, and a mechanical clamping jaw is fixed to a motor shaft of the servo motor. The two ends of the cement prefabricating mold are respectively provided with a C-shaped plate, and the two ends of the cement prefabricating mold are respectively fixedly provided with a first sliding bracket, so that the purpose that an opening of the cement prefabricating mold can be quickly reversed downwards can be achieved, the overturning efficiency can be greatly improved, the frequency of manual operation can be reduced, time and labor are saved, and convenience and rapidness are realized; and the operation safety is improved.

The invention belongs to the technical field of steel plate cutting, and discloses an urban infrastructure steel plate quantitative cutting device which comprises a bottom plate, supporting columns are fixedly connected to the four corners of the top of the bottom plate correspondingly, a sliding groove is formed in the top of the bottom plate, a workbench is fixedly connected to the tops of the supporting columns, and a steel plate is fixedly placed on the workbench; a cutting groove is formed in the workbench, a cutting knife is arranged at the bottom of the cutting groove, a mounting block is fixedly connected to the side face of the supporting block, a protection mechanism used for preventing cutting scraps from splashing is arranged on the mounting block, and through cooperation of a protection cover, a driving assembly and other structures, the cutting scrap scraps can be prevented from splashing conveniently; and meanwhile, cutting sparks are prevented from being directly exposed, eyes of workers are prevented from being damaged, and the problem that when an existing cutting device conducts cutting through a cutting knife, a large number of sparks and chippings are likely to be generated, and then certain potential safety hazards exist is solved.

The invention discloses a shearing device and a shearing method for glass fiber reinforced plastic material processing, and relates to the technical field of glass fiber reinforced plastic processing, the shearing device comprises a base, a glass fiber reinforced plastic material part and a linear motor, support plates are symmetrically fixed on the two sides of the top of the base, a transverse plate is fixedly connected to the tops of the support plates, and side plates are symmetrically fixed on the two sides of the top of the transverse plate; the top ends of the side plates are fixedly connected with a top plate, the pressing mechanisms are symmetrically arranged on the inner sides of the side plates, each pressing mechanism comprises a movable plate, and an extraction mechanism is arranged on the lower portion of the top plate; the screen plate is installed in the middle of the top of the transverse plate, the middle of the bottom of the transverse plate is fixedly connected with a material guiding groove, the middle of the top of the base is provided with a collecting groove, and the inner side of the side plate is rotationally connected with a lead screw. And small glass fiber dust is generated in the cutting process, and harm can be caused to human health.

The utility model discloses processing equipment for a transformer iron core, which relates to the technical field of transformer iron core processing, and comprises a working table, four supporting rods are fixedly connected to the bottom end of the working table, one ends of opposite surfaces of the four supporting rods are jointly and fixedly connected with a supporting plate, a jacking assembly is arranged at the top end of the supporting plate, and the jacking assembly is fixedly connected with the working table. The top end and the bottom end of the workbench are jointly provided with a limiting assembly, the limiting assembly comprises a long shell, the top end of the long shell is fixedly connected with the bottom end of the workbench, one side of the bottom end of the long shell is fixedly connected with a first support, and the lower inner wall of the first support is fixedly connected with a first motor; according to the iron core machining device, by arranging the limiting assembly, the effect that the machining device can conveniently limit iron cores of different specifications is achieved, the use range of the machining device is widened, by arranging the jacking assembly, the effect that the stacked iron cores are separated from the workbench conveniently is achieved, the machining efficiency is improved, and the machining efficiency is improved. And the practicability of the processing equipment is improved.

The device comprises a [-shaped operation frame, the [-shaped operation frame comprises an upper cross beam, a lower cross beam and a longitudinal beam, and the upper cross beam and the lower cross beam are vertically welded to the two ends of the longitudinal beam respectively. The U-shaped operation frame is lifted to the limit position by pushing the ram, the limiting insertion rod is matched with the driving mechanism to enable the U-shaped operation frame to rotate by 90 degrees, the lifting hook and the balance hook are located at the top, the portal frame is adopted as a crane, the lifting hook and the balance hook are connected through at least two steel wire traction ropes, and the U-shaped operation frame can be pulled and hoisted. The whole [-shaped operation frame is erected in a stable and vertical posture, operators and auxiliary personnel can conveniently and safely follow up, the operation frame is hoisted to the cardan shaft, the operation frame is clamped and limited through the hoop limiting part, after the cardan shaft is tightly held, the operators disassemble the cardan shaft, then the cardan shaft is hoisted out, and replacement is achieved. The hidden danger that in the prior art, a cardan shaft is prone to slipping is avoided, and safety and working efficiency are remarkably improved.

The utility model relates to the technical field of explosion-proof valves, and discloses a buffer mechanism of an explosion-proof valve, which comprises a valve main body, a baffle plate is arranged in the valve main body, and fixing plates are arranged at two ends of the right side of the baffle plate. According to the buffer mechanism of the anti-explosion valve, the buffer spring, the reset spring, the movable sleeve and the hinge rod are arranged, when explosion and other situations occur, shock waves can make the valve body move, and therefore the valve body can be close to the door plate, and when the valve body is close to the door plate, a buffer plate can extrude the door plate; when the shock waves disappear, the buffer spring and the reset spring enable the movable sleeve to drive the buffer plate to reset through the hinge rod through the elasticity of the buffer spring and the reset spring, and the situation that the valve body cannot be buffered after explosion again is prevented; the problems that after a valve is buffered, the valve is inconvenient to rebound again, and the buffering effect is easily affected are solved.

The utility model discloses a numerical control machine tool waste cleaning device, which belongs to the technical field of numerical control lathes and comprises a fixed frame, two groups of movable frames are movably arranged on two sides of the fixed frame, a conveying component for conveying waste is arranged in an inner cavity of the fixed frame, and a mounting frame is fixed at the top of each movable frame. Waste transferred to the surface of the conveying belt is conveyed outwards from the interior of the lathe through the conveying assembly in the fixed frame, then the movable frames can be unfolded in the lathe and attached to the interior of the lathe, the movable frames can be unfolded in the lathe and attached to the interior of the lathe, and therefore the waste can be conveyed to the surface of the conveying belt through the movable frames. Waste materials and chippings generated in the lathe machining process are collected, then the spray head can spray cleaning liquid outwards, the waste materials and the chippings are washed to the conveying belt, and it is guaranteed that the waste materials and the chippings generated in the lathe are completely cleaned.

The invention discloses a CO2-water core displacement experiment operation method, and belongs to the technical field of displacement experiment methods. The method comprises the following steps that S1, limiting of the first fixing sleeve is completed; s2, hydraulic oil with corresponding pressure is injected into the elastic bag, a heating ring and a detection unit are started, and preparation before testing is completed; s3, completing the test of the to-be-measured object, wherein the detection unit records the test data; and S4, after the test is completed, sequentially closing the heating ring and the detection unit, controlling the elastic bag to reset, then opening the first fixing sleeve through the first power piece, taking out the object to be measured, and subsequently controlling the first power piece to reset, thereby completing the test experiment. Through elastic deformation of the elastic bag, the elastic bag can be tightly attached to the side wall of a to-be-measured object conveniently, and it is guaranteed that a medium permeates into the to-be-measured object; in addition, through the limiting effect of a second sliding column and a fifth spring and the like, the medium can permeate into the object to be measured at stable pressure, and the accuracy of experimental data is improved.

The utility model discloses a connecting structure of a ship sealing device, and relates to the technical field of connecting structures, the connecting structure comprises a lifting chamber, two groups of butt joint holes are formed in the outer surface of a first ship part in a penetrating manner, an internal limiting part and a second ship part are arranged on the periphery of the first ship part, and two groups of limiting holes are formed in the internal limiting part and the second ship part; limiting chambers are arranged in the two sets of limiting holes, clamping blocks are arranged in the four sets of limiting holes in a clamped mode, two sets of surrounding protruding blocks are arranged on the peripheries of the two sets of clamping blocks, springback chambers are arranged at the bottoms of the second ship part and the inner limiting part, four sets of telescopic chambers are arranged in the limiting chambers, and first springs and pressure-bearing blocks are arranged in the telescopic chambers. Through cooperation of the structures, the ship sealing device can be effectively connected and fixed, and the sealing effect is guaranteed.

The present invention discloses a motor welding fixture and a welding method, which relates to the technical field of motor welding, and solves the technical problems that the operation is inconvenient when welding the inside of a motor casing and an end cover, and the welding gun is difficult to align, which affects the quality of the inside welding; the fixture comprises a welding table, and the top of the welding table is evenly distributed with limiters for limiting the motor casing and the motor end cover, and a transmission mechanism for driving the limiters to rotate is installed in the welding table, and a guide extending into the motor end cover is penetrated in the welding table, and the part of the guide away from the motor end cover extends to the outside of the welding table, and a moving part for installing a welding gun is slidably arranged on the guide part, and a positioning mechanism for limiting the position of the welding gun is arranged on the moving part. The present invention not only facilitates the double welding of the inside and outside of the annular gap between the motor casing and the motor end cover, but also ensures that the welding gun is always aligned with the annular gap, which is conducive to improving the welding quality.

The invention discloses a wheel forge piece forming die, a forming machine and a using method of the wheel forge piece forming die, and belongs to the technical field of forge piece forming. The wheel forge piece forming die comprises an upper die base and further comprises a lower die base, the lower die base is arranged on the lower side of the upper die base, and cavities are formed in the top of the lower die base and the bottom of the upper die base; the two cavities are encircled to form a forming cavity for forming a wheel blank; the ejection mechanism is arranged on the lower die base and used for ejecting the wheel blank formed in the forming cavity. The ejector rod is shielded and covered through the sealing mechanism, deformation caused by inward sinking or protruding of the ejector rod is reduced, the machining precision is improved, meanwhile, pressure borne by the ejector rod during casting is reduced, the service life of the ejector rod is prolonged, and when the ejector rod ejects a wheel blank, mold splitting bases of the forming base are automatically separated, so that the production efficiency is improved. The situation that a forged blank is tightly attached to a mold and is not prone to demolding is avoided, demolding difficulty is reduced, and production efficiency is improved.