60results about How to "Controllable force" patented technology

The invention discloses a ball flat iron production technique, comprising steps of billet, heating, symmetrical rolling, straightening and dissection. The invention is characterized in that the dissection process is carried out after the processes of symmetric rolling and straightening; hole shapes in all the passages of a rolling mill are constituted by two ball flat iron hole shapes which are symmetrically identical. By adopting the technique of symmetric rolling, the invention solves the problems that existing large and medium rolling mills can not produce small ball flat irons with symmetrical rolling and dissection technology. The invention has the advantages of the small size fluctuation of profiles when producing, particularly the small size fluctuation of width, thickness, ball filling and the lower arc of the ball flat iron, rollers subject to uniform forces, easy control in rolling process, greatly reducing the scraping, the rolling mark and the waves of the product by 50% to 70%, improving the quality of the product, enlarging the types of rolled products, leading large profiled bar rolling mill to produce small ball flat iron, enlarging the profile of the billet, large corresponding compression ratio, improving the comprehensive performance of the products, etc.

The embodiment of the invention provides a heat radiator shared by multiple chips and a circuit board provided with the heat radiator. The heat radiator comprises a base plate, wherein the upper surface of the base plate is provided with multiple radiating fins; the lower surface of the base plate is provided with at least one boss mutually contacted with the upper surface of a first chip on the circuit board; and the edge of the base plate is provided with a limiting bracket used for supporting the base plate on the circuit board. The invention further provides a circuit board provided with the heat radiator. The boss is arranged on the base plate of the heat radiator and the limiting bracket is arranged on the base plate, so that the heat radiating area can be expanded to the whole circuit board and can be enlarged, and the heat-radiating capability can be enhanced; and meanwhile, multiple different types of chips can share the heat radiator, so that the stress of the chip is controllable, and the risk that the stress of the chips is overlarge, and the bonding point of the circuit board is subjected to creep deformation is solved.

The invention provides a submersible buoy pulley mooring system and relates to a mooring system. The submersible buoy pulley mooring system mainly comprises submersible buoys, pulleys, anchor bases, ropes and rope knots. The anchor bases are provided with rope chains in a tying mode. The other end of each rope chain is tied to each fixed pulley support. Each pulley is wound with a rope. One end of each rope is tied to the corresponding submersible buoy. The other end of each rope is tied to a floating body required to be moored. The positions, between the pulleys and the moored floating body and close to the pulleys, of the ropes are provided with the rope knots in a tying mode. Combination of a plurality of submersible buoy pulley anchoring units distributed on the periphery tightly pull the central floating body required to be moored jointly. By means of the submersible buoy pulley mooring system, the problems of anchor chain breakage or anchor base slippage and the like generated due to the fact that the mooring constraining force is violently increased can be avoided, so that the storm resistance capacity can be provided, and the mooring cost is lowered.

The invention provides a multi-support foundation strengthening comprehensive controlling method, which comprises steps: 1 vertical shafts are excavated beside a building; 2 anchor cables are fixedly constructed; 3 the anchor cables are provided with a force adding system and a force measuring system; 4 a vertical steel pipe column, a vertical lime pile, a lime pile leaned 45 degrees and lime pile leaned 60 degrees are arranged; 5 the anchor cables are loaded and tensioned in a graded mode through a hydraulic jack; 6 the anchor cables are stressed or goes on to horizontally dig soils when not achieving to a rectification target; 7 the anchor cables are locked after achieving an intended rectification target; 8 a reinforcing cage skeleton is arranged between the steel pipe pile and a raft foundation, and is irrigated with concrete; and 9 various excavated vertical shafts and digging-out-soil holes are backfilled. The multi-support foundation strengthening comprehensive controlling method organically combines forced landing, expansion and jacking, can control tilt direction and tilt speed of a building, further guarantees satiability of the building, and enables tilt not to happen again.

The invention discloses a mooring system with submerged buoys and pulleys. The mooring system comprises submerged buoys / counter weights, pulleys, anchor bases, ropes and rope knots, wherein a chain is tied to each anchor base, and the other end of the chain is tied to a bracket of the corresponding fixed pulley; each rope is wound around the corresponding pulley; one end of each rope is tied to the corresponding submerged buoy, and the other end of the rope is tied to a floating body which needs to be moored; each rope knot is tied to a position on the corresponding rope, between the corresponding pulley and the moored floating body / the anchor base, and close to the pulley. The central floating body which needs to be moored is jointly tightened by the combination of a plurality of anchoring units with submerged buoys / counter weights and pulleys, which are distributed at the periphery of the floating body. Through the adoption of the mooring system, the problems that anchor chains are fractured or the anchor bases slide away due to the rapid increase of mooring force are solved, so that the capability of resisting storms can be provided, and the mooring cost is reduced.

The invention provides a method for reducing sliding distance of an airplane during landing and taking off, which belongs to the technical field of aircraft carriers. The method comprises a conveying belt, a sub haulage cable, an anti-backing roller and wall and a haulage cable; and scheme is as follows: (1) the airplane is started and accelerated together with the conveying belt on the conveying belt, the conveying belt moves reversely, the pulling cable is separated from the airplane while the pull force of the pulling cable reaches 0.1-1000 N, and the airplane rushes out of the conveying belt to take off; and (2) after the airplane lands on or slides to the conveying belt reverse to the airplane operation direction, the airplane engine is stopped and the conveying belt is decelerated until parking, and then the airplane lands successfully. The method provided by the invention, which is a novel takeoff and landing mode, is superior to the traditional airplane takeoff and landing mode and especially suitable for carrier on the aircraft carrier to take off; the sliding distance of the airplane during taking off and landing can be reduced; the airplane can directly take off or land on the conveying belt under the circumstance that the airplane performance and pilot physical fitness permits; and the method also has the characteristics of low manufacturing cost, simplicity for manufacturing, less energy consumption and simplicity in operation.

The invention relates to an axial bolt type camshaft automatic positioning device and a using method thereof. The axial bolt type camshaft automatic positioning device is composed of an end face positioning part, an auxiliary pre-positioning part and a base, for the end face positioning part, the end face of a workpiece is positioned by combining double tips and an edge cutting pin, by adopting end face plug pin type positioning, a positioning fixture is obviously simplified compared with a cylindrical surface plug pin type structure, for the auxiliary pre-positioning part, lower air cylindersdrive lower movable V-shaped blocks to move along guide columns, the jacking height of the lower movable V-shaped blocks is controlled through adjustable limiting screws, so that the axis position ofa camshaft is guaranteed, an upper movable V-shaped block is driven by an upper air cylinder to move downwards and makes contact with the outline of the cam peach tip, and circumferential auxiliary positioning of the camshaft is achieved. The whole device completes pre-positioning of the workpiece on a machine tool through the auxiliary positioning part, so that impact between the workpiece and the tips and the edge cutting pin during manual installation is avoided, then rapid installation of the workpiece on the end face tips and the edge cutting pin is guaranteed, the installation auxiliarytime is effectively saved, the labor intensity of workers is relieved, and the positioning quality and the production efficiency are improved.

The invention relates to a push rod pressing device, a positioning assembly and a positioning device. The push rod pressing device comprises a workbench movable restraining base and a restraining head, the restraining head is installed on the workbench movable restraining base, and the restraining direction of the restraining head and the installation direction of the workbench movable restraining base are arranged at an angle; the workbench movable restraining base comprises a restraining base main support, a screwing handle and a movable check block, an assembling through hole is formed in the restraining base main support, the movable check block can be embedded in the assembling through hole of the restraining base main support in the mode of rotating in the circumferential direction of the assembling through hole, and a handle sliding groove is formed in the movable check block in the radial direction; and the screwing handle is installed in the handle sliding groove and can slide along the handle sliding groove. The workbench movable restraining base and the restraining head which are arranged at an angle are adopted, the restraining head is fixed to the proper position of the workbench through the workbench movable restraining base, a pre-tightening force is provided for load equipment, and then the load equipment is restrained and fixed through a friction force generated by the restraining head and the load equipment.

The present invention comprises a user-friendly, soft and resilient, biomimetic (mimicking biological entities) lower limb support outfits that can be worn externally by people to improve and enhance lower limb, legs and knees performance in sports, daily dynamic activities and medical rehabilitation / physical therapy. More specifically, the present invention relates to an outfit, which allows a portion of the upper limb's quasi-static weight and dynamic weight due to impact forces to be excluded from being transmitted to the lower limb, legs, quadriceps and hamstrings muscles and knees by directly transmitting them to the ankles, footwear and / or the ground, through soft elastic columnar quasi-legs that are equipped with smart biomimetic materials such as shape memory materials and artificial muscles such as synthetic and / or ionic polymeric muscles and provide lower limb support function by buckling and bending in accordance with the dynamic maneuvering of the user. The said lower limb performance enhancing outfit is encapsulated by user-friendly fabric means for easy wear. The upper portion of the outfit can be in the form of a sports short worn by the user and encapsulating the buttocks support plates or supporting other outfits worn on the torso of the user or support other loads on the torso such as a backpack.

The invention discloses a magnetic type cardiopulmonary resuscitation instrument. The cardiopulmonary resuscitation instrument comprises a shell, a shell fixing part, a negative pressure sucker, a permanent magnet, an electric magnet and a control part, wherein the shell fixing part is connected with the lower part of the shell, and is used for fixing the body of a to-be-rescued patient on the shell; the electric magnet is fixedly connected in the shell; the permanent magnet is positioned under the electric magnet; the negative pressure sucker is connected with the lower side of the permanent magnet; or the permanent magnet is fixedly connected in the shell, the electric magnet is positioned under the permanent magnet, and the negative pressure sucker is connected with the lower side of the electric magnet; the control part is arranged on the shell and is connected with the electric magnet, and can be used for controlling the electric magnet to generate an alternating magnetic pole; the negative pressure sucker is arranged in the shell, and can be driven by the alternating magnetic pole to move in the shell up and down. The magnetic type cardiopulmonary resuscitation instrument can be used for supplying pressing and pulling force to the whole cardiopulmonary resuscitation instrument with controllable force by adopting the principle of homopolar repulsion and heteropolar attraction of magnet to avoid manual operation and improve the automatic degree of the instrument, so that the survival rate of patients with sudden cardiac arrest can be greatly improved. The magnetic type cardiopulmonary resuscitation instrument is suitable for popularization and application.

The invention discloses a magnetic track lamp. The magnetic track lamp comprises a lamp holder, a lamp body and a control assembly, wherein the lamp holder is in sliding connection with a track; the lamp holder is fixedly equipped with first magnetic parts; the lamp body and the lamp holder can be connected in a relative swinging mode; the lamp body is fixedly equipped with second magnetic parts; the first magnetic parts or the second magnetic parts are electromagnetic structural parts capable of controlling magnetic induction intensity through current, and the others are electromagnetic structural parts or permanent magnets; the control assembly is connected with the electromagnetic structural parts for controlling current which passes through the electromagnetic structural parts; and the magnetic track lamp regulates stress between the lamp body and the lamp holder and changes an angle between the lamp body and the lamp holder in a mode that the first magnetic parts and the second magnetic parts attract with each other or exclude with each other. The magnetic track lamp is simple in structure, is low in fault rate and is convenient to regulate. At least one of the first magnetic parts and the second magnetic parts is the electromagnetic structural part, and magnetic induction strength of the electromagnetic structural parts can be controlled by controlling the size and the direction of current of the electromagnetic structural parts through the control assembly, so that stress between the lamp body and the lamp holder is easily controlled.

The invention discloses a production method of a novel diamond tool, and belongs to the field of manufacturing of diamond abrasive tools. The production method comprises the following steps that (1) adilution material and brazing welding flux are mixed into a composite material; (2) a diamond abrasive is subjected to pelletizing wrapping, and bonded through an acetone binder to be fixed; (3) a composite body of the wrapped diamond abrasive, a filling material, the brazing welding flux and the acetone binder are evenly mixed; (4) the mixture is put into a mould to be pressurized and shaped; and (5) a formed blank block is heated and brazed. According to the production method, the brazing strength of a single abrasive particle is indirectly controlled by controlling the size of a brazing area of the brazed diamond abrasive, through structure matching of the filling material, the multi-layer continuous processing performance of multi-layer brazing is achieved, and the life of the brazeddiamond abrasive tool is prolonged; and the production process is simple, the quality is stable and easy to control, the working procedure can be standardized, and the novel diamond tool is suitable for industrial mass production.

The invention discloses a preparation method of a novel multilayer brazing super-hard abrasive tool, and belongs to the field of super-hard abrasive tool manufacturing. The preparation method comprises the step 1) of proportionally mixing diluted materials with brazing solders to form composite agents; the step 2) of pelletizing and packing super-hard abrasives, and bonding and fixing the super-hard abrasives with water-soluble binders; the step 3) of uniformly mixing the packed super-hard abrasive compounds with filling materials, the brazing solders and the water-soluble binders; the step 4)of putting the mixtures in a mould for pressure forming; and the step 5) of heating and brazing formed blanks; according to the method, the brazing strength of single abrasives is controlled indirectly by control of the size of a brazing area of the brazing super-hard abrasives, and the multilayer sustainable processing performance of multilayer brazing is achieved through the structure collocation of the filling materials; the life of the brazing super-hard abrasive tool is prolonged; the preparation technology is simple, and the quality is stable and easy to control; and the working procedures can be standardized, and applicable for industrial mass production.

The invention relates to an operating mechanism of a minitype breaker. The operating mechanism includes a handle that can be rotatably installed in a housing. A U-shaped connecting rod is connected to the handle; the other end of the U-shaped connecting rod is movably arranged penetratedly into a sliding groove of a support lever. The support lever can be sleevedly installed on a first fixed shaft by rotating around the first fixed shaft and the first fixed shaft is fixed on the housing. A second fixed shaft is fixed on the support lever; a tension spring is connected on the second fixed shaft; and the tension spring is connected with a third fixed shaft that is fixed on the housing. A pin jump lever that is capable of rotating around the second fixed shaft is sleevedly installed on the second fixed shaft; one end of the pin jump lever is above the sliding groove; and the other end of the pin jump lever is in contact connection with one end of a latching lever. And the latching lever is rotatably sleevedly installed on the first fixed shaft and the other end of the latching lever is in contact connection with one end surface of the support lever. According to the invention, beneficial effects of the operating mechanism are as follows: the tripping arm force of the latching lever is increased; a tripping force can be effectively reduced; and the motion is stable.

The invention discloses a crank rocker type egg poking mechanism, which mainly comprises a frame, a motor, a crank wheel, a rocker wheel, a crank rocker mechanism and a poking piece. The crank rocker mechanism comprises a movable crank, a connecting rod and a rocker; the motor is fixedly arranged on the frame; the crank wheel is connected with the frame through a bearing; a belt wheel is arranged on an output shaft of the motor; a belt is arranged on the belt wheel and the crank wheel; a first chute is formed on an outer end face of the crank wheel; the movable crank is fixedly arranged in the first chute; one end of the movable crank is movably connected with one end of the connecting rod; the other end of the connecting rod is movably connected with one end of the rocker; the other end of the rocker is fixedly connected with a transmission rod; the transmission rod penetrates the rocker wheel along an axial direction of the rocker wheel and is connected with the frame through the bearing; the rocker wheel is fixedly coupled with the transmission rod; and the poking piece is fixedly arranged on an excircle of the rocker wheel. The crank rocker type egg poking mechanism can grade various eggs at the tail end and has universality; and parameters of the egg poking mechanism are accurately adjusted.

The invention relates to a drill-buried type prefabricated pipe pile for an electric transmission line. The drill-buried type prefabricated pipe pile comprises an internal flow-guiding component, a flow-guiding steel pipe, a prefabricated miniature pipe pile, a grouting head, a grouting head top plate, a grouting hole, a grouting steel pipe, a grouting head bottom plate, reinforcing ribs, an open hole, a top plate, a pore, bolt holes, an external positioning nesting component, four fork feet, angle steel and mortar, the internal flow-guiding component and the external positioning nesting component are connected through the grouted mortar, the internal flow-guiding component comprises the flow-guiding steel pipe, the prefabricated miniature pipe pile and the grouting head, the reinforcing ribs are welded into the grouting steel pipe, the open hole is formed in the grouting steel pipe, the top plate is welded to the top of the flow-guiding steel pipe and provided with the pore, the bolt holes are formed in the four corners of the top plate, and the four fork feet are welded to the outer wall of the external positioning nesting component through the angle steel at equal distances. The drill-buried type prefabricated pipe pile has the advantages of small environmental influence, high construction efficiency, reliable quality and low cost, and is suitable for being used and promoted.

The invention belongs to the technical field of special clamps, and particularly relates to an auxiliary anode sheath taking-out device and a using method thereof. According to the auxiliary anode sheath taking-out device and the using method thereof, a main auxiliary anode sheath is clamped by a movable expansion clamping hook, then the whole device is fixed by a bracket, and the auxiliary anodesheath is taken out by rotating a T-shaped main body. The auxiliary anode sheath taking-out device has the advantages that (1) the use of the bracket enables the whole device to be stable, and the stress of the auxiliary anode sheath can be controllable; (2) the T-shaped main body is slightly thinner than the anode sheath, the anode sheath can be supported to a certain extent, and the sheath is prevented from breaking; and (3) a customized bearing enables the T-shaped main body to rotate independently, so that the reliability of a buckle between the movable expansion clamping hook and the anode sheath is not affected.

The invention discloses an impact adjustable internal puller, which comprises a handle rod, an adjusting rod, an impact hammer and a clamping claw component, wherein the handle rod is constituted by a hollow circular tube; the front end of the handle rod is welded with a supporting frame, and the rear end of the handle rod is provided with a handle; the root part of the handle is welded with a fixed disc; the supporting frame consists of a left lug seat and a right lug seat; the impact hammer is sleeved on a polished rod part of the handle rod; the clamping claw component consists of a left pulling claw, a right pulling claw, and a tension slide block and a tension spring which are arranged between the left pulling claw and the right pulling claw; the middle part of the tension slide block is provided with a threaded hole; the adjusting rod is constituted by an iron stick and is penetrated in the handle rod; the front end of the adjusting rod is provided with a threaded head, and the rear end of the adjusting rod is provided with a hexagon nut; the threaded head at the front end of the adjusting rod is screwed with the threaded hole on the middle part of the tension slide block; and the hexagon nut at the rear end of the adjusting rod is pressed against an orifice at the rear end of the handle rod. The product is smooth to operate, convenient and easy to use, fast to disassemble, time-saving and labor-saving and is suitable for disassembling bearings of various specifications.

The invention relates to a polished rod sealing device special for a pumping unit and mainly solves the existing problems that force is not easy to command, great effort is needed and the adjustable range of a deviation-adjusting device is narrow when carbon fiber packing of a well mouth of a pumping unit is tightened. The polished rod sealing device special for the pumping unit is characterized in that a well sealing rubber gasket (14) is arranged on the inside of the upper part of a lower connector (18), a well sealing pressing cap (12) is arranged at the upper end of the well sealing rubber gasket (14), a well sealing gland (13) is connected to the outside of the upper part of the lower connector (18), and a deviation-adjusting base (10) is arranged on the inside of the upper part of the well sealing gland (13) and is in contact with an above sealing cylinder (7) through a spherical surface; a spiral sealing part (6) is arranged inside the sealing cylinder (7), a pressing block (5), a spring (3) and a thrust bearing (2) are arranged at the upper part of the spiral sealing part (6) sequentially, and the upper part of the thrust bearing (2) is fixed by a pressing cap (1). According to the polished rod sealing device special for the pumping unit, the effort is saved, the force is controllable, the adjustable range of the deviation-adjusting device is wide, and the deviation-adjusting effect is good when the carbon fiber packing is tightened.

The invention discloses an auxiliary device used for removal of a steering gear rotor of a ship, and belongs to the technical field of ship building. The device comprises a fixed plate and a hydrauliccylinder; the fixed plate is circular; four vertical through holes are formed in the fixed plate; the four vertical through holes are symmetrically arranged about the center of the fixed plate; a double-screw bolt is arranged in each of the four vertical through holes in a penetrating manner; the upper end of each double-screw bolt extends out to the upper side of the fixed plate; a positioning nut is fastened to the upper end of each double-screw bolt; the lower end of each double-screw bolt extends out to the lower side of the fixed plate; the upper surface of the fixed plate is provided with four first strengthening tendon plates; a lifting hole is formed in each first strengthening tendon plate; the hydraulic cylinder is vertically arranged on the lower surface of the fixed plate; andthe center line of the hydraulic cylinder penetrates through the center of the fixed plate. According to the auxiliary device disclosed by the invention, when the steering gear rotor is removed, hydraulic drive is adopted to replace a method that the steering gear rotor is knocked by using a heavy object traditionally, so that the direction of an applied force is stable, the magnitude of the applied force is controllable, and the phenomenon that the steering gear rotor and a rudderstock are stuck due to improper removal can be effectively avoided.

The invention belongs to the technical field of nuclear power maintenance and particularly relates to a reactor core thermocouple inserting and pulling device. According to an embodiment, a lever mechanism is formed between a handle and a spindle, and under the condition that a second clamping grip clamps a thermocouple sheath and a first clamping grip clamps a thermocouple, one end of the handledrives the first clamping grip to move upwards through a pull rod if the other end of the handle is pressed, and the thermocouple is pulled out from the thermocouple sheath; and the end of the handledrives the first clamping grip to move downwards through the pull rod if the other end of the handle is lifted, and the thermocouple is inserted into the thermocouple sheath. Therefore, inserting andpulling operation of the thermocouple can be convenient, further, inserting and pulling force is easy to control, and accuracy of inserting and pulling of the thermocouple is improved.

The invention discloses a disc-shaped dentate self-resetting device and an application thereof. The disc-shaped dentate self-resetting device comprises a disc-shaped upper dentate plate, a disc-shapedmiddle dentate plate and a disc-shaped lower dentate plate, wherein occluding teeth are formed on two sides of the middle dentate plate and formed on the inner surfaces of the upper dentate plate andthe lower dentate plate in a corresponding manner; the upper dentate plate, the middle dentate plate and the lower dentate plate are penetrated through by a pre-stressed threaded pipe respectively and are engaged and superimposed together by the connection by nuts cushioned with belleville springs; the upper dentate plate and the lower dentate plate are connected to a building column through extension ends and connecting steel plates, or by connecting to a cantilever truss; and the middle dentate plate is connected to a building girder or the building column through a fixed end plate which sleeves the middle dentate plate. Under the actions of the restoring forces of the belleville springs, the disc-shaped dentate device which deforms after an earthquake is restored to the original state,so that a building can restore quickly after the earthquake; dual breakthroughs are achieved in terms of building appearance maintenance and earthquake resistance; and the device has the advantages of compact design, controllable acting force, wide application range, easy operation, small workload, high reliability, etc.

The invention provides a display panel splitting device. The display panel splitting device comprises a machine table and a splitting component. The machine table is used for bearing a display panel,the splitting component comprises a jetting assembly and a bearing assembly, the bearing assembly is arranged above the machine table, the jetting assembly is arranged between the bearing assembly andthe machine table assembly and attached to the bearing assembly, and the jetting assembly is used for jetting fluid to the display panel; fluid is sprayed to a display panel from the upper part of the display panel by adopting the splitting component, and the display panel is split by using the fluid; the flow of the fluid is controllable, and the arrangement position of the jetting assembly is controllable, so that the stress of the display panel is controllable when the display panel is split, the situation that the stress of the display panel is uneven when the display panel is split is avoided, and the technical problems that an existing method for forming an R angle of the display device is difficult to control and the display device is damaged are solved.

The invention provides a carbon fiber prepreg friction coefficient measuring device which comprises a motor, a lead screw sliding table, a heat preservation cover, a pressurizing device, a sliding block, a connecting rod, a clamp and a workbench, wherein the motor, the lead screw sliding table and the heat preservation cover are installed on the workbench; a heating device is fixed to the portion,in the heat preservation cover, of the workbench; a clamp is installed on the heating device; a second sample is fixed to the top of the clamp, a first sample is fixed to the lower surface of the sliding block through a first pressing plate, and the first sample is placed on the second sample; the pressurizing device is fixed on the sliding block and is provided with a pressure sensor; one end ofthe connecting rod is fixedly connected with the sliding block, and the other end extends out of the heat preservation cover and is fixedly connected with the force measuring sensor; the force measuring sensor is fixed on a sliding table of the lead screw sliding table; and the motor drives the sliding table of the lead screw sliding table to move. The device is easy to operate and small in occupied area, and the friction coefficient between the carbon fiber prepregs with different temperatures, different pressures, different relative movement speeds and different orientations can be measured.

A supporting system (4) of the self-adaptive detector comprises three support beams (7) and an electric lifting rod (8), a servo motor (9) connected with a roller (10) is arranged in a base (26) of the electric lifting rod (8), the roller (10) is arranged in a conveying groove (12) of a lifting rod guide rail (11), and the support beams (7) are arranged on the electric lifting rod (8); the loading system (6) comprises an electronic servo press machine (15) at the top of the rack (1) and a load distribution beam (18); a pressure head (17) of the electronic servo press machine (15) is connected with the load distribution beam (18) through a ball seat; and a cross beam (21) is arranged on the load distribution beam (18) and is connected with the load applying beam (19) through a sleeve hole (22). The position and span of the applied load can be adjusted at will, and the device can adapt to the boundary dimensions of different components.

The invention discloses a bionic handheld gun shooting device, which belongs to the field of bionic technology. The bionic device mainly includes a bionic finger tightening component, a tightening component, a trigger component, a control system, a frame, a safety shield, and an angle adjustment screw rod , bionic tiger's mouth; compared with today's modern technology, the present invention has the following advantages: one is to adopt the bionic finger tightening device, which is convenient and quick to adjust, and the force is controllable; The handle is wrapped, so that the gun is clamped tighter; the third is the use of bionic tiger mouth structure, which can increase the stability of the gun clamping and the cushioning effect on the rear seat; the fourth is simple operation and convenient control; the fifth is the use of remote control The trigger device avoids direct contact between people and equipment when triggering the trigger.

The invention relates to a ring rolling mill capable of driving and controlling rotation of a core roller. The ring rolling mill comprises the core roller and a driving roller which can initiatively rotate and conduct linear feeding. The ring rolling mill is characterized in that the core roller can initiatively rotates and is controllable in speed, and the core roller can achieve switching of the two modes of initiative driving and follow moving in the working process. According to the ring rolling mill, the driving roller initiatively rotating and driving and the core roller initiatively rotating and driving can be adopted at the same time, in the rolling process, stress of a deformation area of a rolled ring part is controllable by controlling the rotating speed of the core roller, matched friction force can be generated on the inner and outer contact surfaces of the rolled ring part, so that uniform radial deformation is generated, and thus the uniformity of the internal texture of the rolled ring part is greatly improved; the ring rolling mill is low in cost, easy to achieve and suitable for production of ring-shaped parts which are high in material microstructure uniformity requirement, good in quality and precision retainability and long in service life.

The invention discloses an electromagnetic suspension energy recovery type supporting braking system which comprises an outer sleeve, an inner sleeve, a silicon steel ring and an iron core, wherein the inner sleeve, the silicon steel ring and the iron core are arranged in the outer sleeve. One end of the inner sleeve is connected with an axial magnetic block through an axial sleeve disk, and the other end is connected with the silicon steel ring. The silicon steel ring is connected with the iron core. The iron core is internally provided with magnetic steel insertion blocks, steel insertion sheets, steel insertion sheets, magnetic blocks and coils, wherein the magnetic steel insertion blocks, the steel insertion sheets, the magnetic blocks and the coils are uniformly and alternatively arranged. The other end of the iron core is connected with a braking sleeve and a braking electromagnet. The electromagnetic suspension energy recovery type supporting braking system is beneficial in that a no-friction support can be supplied; through motor performance, an auxiliary bearing can be abandoned in power-off operation; braking and energy recovery are integrated; size is optimized for realizing a better spatial structure; furthermore better energy saving effect is realized; controllable force bearing magnitude and high versatility are realized; and the electromagnetic suspension energy recovery type supporting braking system can be used in an adverse environment.