395 results about "Plate pressure" patented technology

The invention discloses a welding device of an inserting plate type steel support for a highway cast-in-place beam, and particularly relates to the technical field of positioning welding, the welding device comprises a dislocation synchronous positioning mechanism, the dislocation synchronous positioning mechanism comprises a groove pressing plate, a pressure sensor, a loop bar and a connecting strip, the groove pressing plate is fixedly connected to the bottom end of the pressure sensor, and the loop bar is connected with the groove pressing plate; the inclined face of one side of the inner wall of the groove pressing plate is slidably connected with a sleeve rod, and one end of the sleeve rod is fixedly connected with a connecting strip. Through the dislocation synchronous positioning mechanism, transverse and longitudinal dislocation synchronous positioning and fixing welding can be rapidly achieved even if the positioning and welding positions of the inclined steel frame, the vertical steel frame and the bent steel frame are staggered and complex, the positioning and fixing welding efficiency is higher, and the welding stability is better; therefore, the problems that the positioning, fixing and welding efficiency of the steel supports in different directions is low, and the positioning and welding firmness is poor are solved.

The utility model discloses a construction reinforcing steel bar detection clamp, which comprises a fixed table, the outer wall of the top of the fixed table is connected with two clamping structures through adjusting assemblies, each clamping structure comprises a fixed frame and a telescopic cylinder, the fixed frame is in sliding fit with the outer wall of the top of the fixed table, and the telescopic cylinders are arranged on the fixed frame. The telescopic air cylinder is installed on the outer wall of the top of the fixing frame, a lower clamping plate assembly and an upper clamping plate assembly are oppositely arranged on the inner wall of the fixing frame, the upper clamping plate assembly comprises a fixing plate and a connecting plate, the fixing plate is connected to the telescopic end of the telescopic air cylinder, connecting rods are connected to the two sides of the fixing plate, and one ends of the two connecting rods are connected with the same connecting plate. A pressure sensor is arranged between the fixing plate and the connecting plate; according to the steel bar clamping device, by arranging the connecting plate, the pressure sensor and the connecting rod, the pressure on a steel bar can be controlled when the steel bar is clamped, and deformation of the steel bar caused by too large clamping force is avoided.

The invention belongs to the technical field of intelligent warehousing, and discloses an intelligent goods shelf capable of monitoring the load capacity of the goods shelf, the intelligent goods shelf comprises stand columns, shelf bodies, shelf plates, pressure sensors, a controller and the like; the shelf plates are horizontally arranged in a space defined by the stand columns, grooves are formed in the tops of the shelf plates, the shelves are embedded into the grooves, and the pressure sensors are arranged between the shelves and the shelf plates; clamping grooves are formed in the two sides of the shelf plates, sealing strips are arranged in the clamping grooves, and the controller is fixedly connected with the stand columns and connected with the pressure sensors through signal cables. According to the intelligent goods shelf, an embedded sealing bearing structure is adopted, and the pressure sensor is embedded in the closed space between the shelf and the shelf plate, so that the interference of dust on the pressure sensor is effectively avoided, and the measurement accuracy is improved; meanwhile, the design of clamping grooves formed in the two sides of the shelf plate and sealing strips arranged in the clamping grooves further enhances the sealing effect, and dust is prevented from entering and affecting the performance of the pressure sensor.

The invention discloses a double-column shallow hole ore breaking two-step shrinkage subsequent filling mining method, and belongs to the technical field of underground mining. Arranging a cutting project to form a stoping space; the jambs are divided into hanging wall jambs and footwall jambs, the footwall jambs are stoped, and filling is carried out after ore removal; and the hanging side pillar is stoped. According to the scheme, the footwall pillars are firstly stoped and filled to form the supporting body, and the hanging wall pillars are stoped later, so that the exposure of the whole goaf is avoided, and the possibility of surrounding rock instability caused by recovery of the pillars in the tall and large goaf is reduced; the filling bodies replace the pillars to bear the pressure of the top plate, so that the permanent pillar remaining amount is reduced, and the recovery rate is increased; the goaf is closed in time after filling, surrounding rock movement is restrained, and therefore the problem of surface collapse is avoided; and the pillars are divided according to the positions and the rock mass stress, stoping is conducted in sequence, the stress superposition risk of synchronous stoping is reduced, and therefore the high-safety stoping method for the pillars between the ore bodies is provided.

The invention relates to the technical field of positive-end compression type acceleration sensor vibration sub-assemblies, in particular to a positive-end compression type acceleration sensor vibration sub-assembly assembling mechanism and method.The positive-end compression type acceleration sensor vibration sub-assembly assembling mechanism comprises a pressure bench vice, a rotating supporting rod is arranged at the upper end of the pressure bench vice in a sliding mode, and an assembling pressing plate is arranged on the inner side of the pressure bench vice; a pressure gauge is arranged at the lower end of the pressure bench vice and used for sensing and outputting a pressure numerical value, and a jig limiting block is fixedly arranged at the lower end of the pressure bench vice and wraps the outer side of the pressure gauge. The position of the sub-assembly base placed on the inner side of the fixing sleeve can be corrected by arranging the correcting mechanism, the assembly pressing plate can be accurately pressed down for assembly, the position of the sub-assembly base can be rapidly fixed by arranging the limiting jig module, inclination caused by pressing down is prevented, and the assembly efficiency is improved. The effect of rapidly correcting and fixing the position of the sub-assembly is achieved, and the problem that the pressing assembly effect is affected due to the fact that the sub-assembly cannot be firmly fixed during assembly is solved.

The invention relates to the technical field of steel casing testing, in particular to a river bridge pier steel casing stress testing device which comprises a rack, a pressure sensing seat and an end pressing plate, the pressure sensing seat is arranged on the rack through a lifting assembly, and the end pressing plate is vertically arranged on the rack in a sliding mode through a hydraulic cylinder. The pressure sensing seat is fixedly arranged on the machine frame, the display is fixedly arranged on the machine frame and communicates with the pressure sensing seat, the machine frame is provided with a centering folding assembly matched with the multiple arc-shaped pressing plates, and the centering folding assembly is matched with the end pressing plate through a transmission assembly. After being put in, the steel casing is firstly supported and then lifted to a preset height, and the hydraulic cylinder drives the end pressing plate to press downwards, so that vertical loading can be synchronously completed; in the downward moving process of the end pressing plate, the transmission assembly automatically triggers the center folding assembly, the arc-shaped pressing plates synchronously enclasp the side wall of the steel casing in the radial direction, one-time application of vertical and annular combined loads is achieved, and the real stress state of the pier is simulated.

The present application relates to the field of rock mechanics property testing, and discloses a test device for rock shear creep impact disturbance loading. The device comprises a control box, an air compressor, a fixed plate, a pressure sensor, a fixed base, an air cylinder, a speed regulating throttle valve, an anti-rotation rod, an anti-rotation plate and a ram. The control box is connected with the pressure sensor and the air compressor through wires; the loading end of the pressure sensor is connected with the fixed base, and the base is installed on the fixed plate; the rear end cover of the air cylinder is connected with the fixed base, and the piston rod end is connected with the ram; the lower part of the ram is provided with an anti-rotation rod connecting lug, and the anti-rotation rod is fixed with the anti-rotation plate through the connecting lug. The air compressor is connected with the speed regulating throttle valve, the ram reciprocating motion is controlled by adjusting air pressure through the control box, and shear impact disturbance loading is realized. The present application can simulate real disturbance working conditions such as blasting and earthquake, has intelligent regulation and control functions of disturbance frequency and load, and is suitable for rock shear creep impact disturbance test.

The diffusion plate pressure maintaining jig comprises a handle, a pressure maintaining block is arranged below the handle, and an elastic guide assembly for elastically connecting the pressure maintaining block and the handle is arranged between the pressure maintaining block and the handle; the power supply assembly is arranged at the upper end of the inner side of the pressure maintaining block; the conducting rod is detachably connected to the lower end of the inner side of the handle, so that the conducting rod is electrically conducted with the power supply assembly when the handle is pressed down; the lamp bead is arranged on the upper surface of the handle, and the lamp bead is electrically connected with the conducting rod; a stopper; through the arrangement of the conducting rod, the power supply assembly, the lamp bead, the elastic guide assembly and the limiting block, the situation that the consistency of pressure in the pressure maintaining process is affected due to the fact that a traditional jig is manually pressed, the pressing force is different is avoided, the effect of the pressure borne by the double-faced adhesive tape is fed back through lamplight of the lamp bead, it is guaranteed that the maintained pressure reaches the minimum pressure maintaining force, and the working efficiency is improved. And the production process of the product has better pressure maintaining consistency.

The utility model discloses a pressure adjustable type grip ball, which relates to the technical field of rehabilitation exercise, and comprises a grip ball, the outer wall of the top of the grip ball is fixedly connected with a pressure gauge, the outer wall of the top of the pressure gauge is fixedly connected with an air tap, and the outer wall of one end of the grip ball far away from the pressure gauge is provided with an adjusting mechanism. By arranging the air leakage plate, the pressure gauge can measure and display the required pressure in the grip ball, the higher the required pressure in the grip ball is, the higher the force required for holding the grip ball is, if the required pressure in the grip ball needs to be adjusted, the button only needs to be pressed inwards, the button drives the connecting rod to move, and the pressure in the grip ball can be adjusted. The connecting rod drives the piston to move, and the effects that the required pressure can be controlled by freely changing the amount of air in the grip strength ball so as to adjust the strength of grip strength training, the requirement that a user needs to conduct rehabilitation training of different strength along with the change of the treatment course in the follow-up process is met, and the universality of equipment is indirectly improved are achieved.

The utility model relates to the field of solder tip dismounting and mounting, in particular to a solder tip dismounting and mounting device which comprises a connecting column and a solder tip, a fixing groove is formed in the front side end face of the connecting column, a first bolt is screwed in the fixing groove, a fixing plate is installed on the front side end face of the first bolt, the fixing plate is made of heat insulation plate materials, and the solder tip is installed on the front side end face of the fixing plate. A fixing plate is arranged on the fixing plate, a connecting column is arranged on the fixing plate, pressure sensors are vertically and symmetrically embedded in the end face of the front side of the connecting column, a buzzer is embedded in the end face of the rear side of the soldering bit, a control panel is arranged in the soldering bit, the control panel is electrically connected with the pressure sensors, and the control panel is electrically connected with the control panel. And therefore, personnel are reminded to tighten the soldering bit in time, and the use effect is prevented from being affected by loosening of the soldering bit.

The present invention provides a sample stage with a built-in pressure sensor for attenuated total reflectance (ATR) measurements, wherein a detachable plate can be smoothly attached and detached. The sample stage comprises: a stage surface member 4 having an opening 2; and a detachable plate 6 held by the stage surface member 4 so as to close the opening 2. Pressure sensors 8 are arranged on the stage surface member 4 at three locations along the edge of the opening 2, a sample is placed on the surface of the detachable plate 6, and three projections 18 are formed at positions corresponding to the pressure sensors 8 on the side surface of the plate or the rear surface of the plate. Each pressure sensor 8 is brought into a sensing state by placing the projections 18 of the detachable plate 6 on the pressure sensors 8 of the stage surface member 4, and each pressure sensor 8 is brought into a non-sensing state by placing the projections 18 on a portion 22A other than the pressure sensors among the edge of the opening 2, with the detachable plate 6 being rotated by a prescribed angle.

The invention relates to the technical field of spring detection, in particular to a spring elasticity detection mechanism and spring detection equipment for a smart watch, and the spring elasticity detection mechanism comprises a linear driving assembly and a detection shell; a laser range finder, a pressing cylinder, a pressure plate, a pressure sensor and a lifting unit are arranged on the detection shell; the laser range finder is vertically arranged at the upper part of the detection shell, and the range finding end is vertically downward; the downward pressing cylinder is movably arranged below the laser range finder in the vertical direction, and the downward pressing cylinder presses the key when descending; the pressure plate is arranged above the lower pressing cylinder and is of an annular structure, an annular groove is formed in the periphery of the pressure plate, the upper portion of the lower pressing cylinder is arranged in the annular groove in a sleeved mode, a gap exists between the upper portion of the lower pressing cylinder and the upper portion of the annular groove, and a pressure sensor is arranged in the gap; the lifting unit is arranged above the pressure plate and used for driving the pressure plate to lift. According to the invention, the detection period is greatly shortened, and the detection efficiency is effectively improved.

The invention belongs to the technical field of material processing, and relates to a mirror image fiber placement method and system for a composite material. The mirror image fiber placement method of the composite material comprises the following steps: laying two fiber ribbons in a mirror image symmetry manner without using a mold, and repeating the fiber placement process for multiple times. The composite mirror image fiber placement system comprises a hardware part; the hardware part comprises a left part and a right part which are symmetrical, the right part comprises a main body plate (17), a pressure component, a shearing component, a re-conveying component, a tension component, a heat source component, a connecting piece (3) and a fiber placement tail end movement mechanism, and the pressure component, the shearing component, the re-conveying component and the tension component are sequentially arranged from front to back in the fiber moving direction; the heat source component comprises a heater (6), and the heater (6) is used for heating the ribbon (19). The performance of the composite material product is improved.

This application relates to a device for flattening wound iron cores, and pertains to the technical field of iron core production and processing. It includes an operating table, on the upper surface of which a bearing platform assembly and a mechanical flattening assembly are fixedly mounted. The bearing platform assembly includes a bearing base fixedly connected to the surface of the operating table. A core limiting groove is formed on the surface of the bearing base. Several detachable strip-shaped blocks are fixed to the inner wall of the core limiting groove. Clamping air cushions are fixedly connected to both sides of each strip-shaped block. This application utilizes a multi-stage transmission structure consisting of a drive motor, gears, synchronous pulleys, and worm gears to drive four lifting screws to rotate synchronously. This, in turn, drives an L-shaped drive plate and a pressing plate to perform vertical lifting motion, achieving synchronous and automated flattening of multiple sets of wound iron cores within the core limiting groove. This solves the problem of uneven pressure distribution in traditional cylinder-type pressing plates, improves the consistency of the flattening effect of the wound iron cores, and ensures the processing quality of the iron core products.

The utility model discloses a brush motor terminal connection structure with precision correction structure, aims at solving the technical problem that the welding mode of terminal and middle plate reduces the structural strength between terminal and middle plate in the prior art. Including middle plate, be provided with two symmetries mounting plate on the middle plate, and the terminal is installed in each mounting plate pressure joint, and the interval between the middle part of the side face of two mounting plates is H=X+1mm, and the outer surface of middle plate is provided with the precision adjustment gap of promotion assembly precision, and carbon brush assembly is still provided with on the middle plate, can effectively promote assembly precision through the increase precision adjustment gap, thereby can guarantee the motor in the assembly and use process keep consistent precision, can simultaneously restrain the resonance and noise problem caused by assembly deviation, effectively reduce resonance, reduce noise, and ensure that the performance of motor is consistent under different temperature and speed conditions, can, help to improve the consistency and life of complete machine.

The utility model provides a sheet metal plate pressure adjusting device, which relates to the technical field of sheet metal plate processing and comprises a bending table, a V-shaped bending seat arranged at the top of the bending table, a support column arranged at the top of the bending table, a cylinder seat arranged on the support column, a hydraulic cylinder arranged on the cylinder seat and an adjusting component arranged on the outer side of the hydraulic cylinder. According to the sheet metal plate pressure adjusting device, the sheet metal plate can be rapidly fixed to the V-shaped bending base through the clamping assembly, displacement of the sheet metal plate in the bending process is prevented, the stability of the sheet metal plate can be improved, bending force can act on the sheet metal plate more evenly, operation and use are convenient, the sheet metal plate is rapidly disassembled and assembled, and the working efficiency is improved. And the pressure of the hydraulic cylinder can be accurately controlled through the adjusting assembly, the bending size and shape precision of the sheet metal part is ensured, the production efficiency is improved, the pressure can be controlled and adjusted, manual intervention is reduced, and the production speed is increased.

The utility model discloses a safe and sanitary heating kettle body which comprises a kettle body, a bottom plate, a first sealing ring, a fixing ring and a fixing support, and an opening is formed in the bottom of the kettle body; the bottom plate is arranged at the opening; the first sealing ring is arranged between the kettle body and the bottom plate and is used for sealing the matched connection part of the bottom plate and the kettle body; the periphery of the bottom of the kettle body is sleeved with the fixing ring; the fixing support is fixedly connected with the fixing ring and used for pressing and fixing the bottom plate to the kettle body and pressing and fixing the first sealing ring to the bottom plate and / or the kettle body at the same time. Therefore, the bottom plate is pressed and fixed on the kettle body through the fixing support, glue is not needed, harmful substances can be prevented from being generated and mixed into liquid, and the heating kettle body is safer and more sanitary. Besides, the first sealing ring is arranged between the kettle body and the bottom plate to seal the matched connection position of the kettle body and the bottom plate, so that liquid in the heating kettle body can be prevented from overflowing, and the sealing performance of the heating kettle body is guaranteed. In addition, the utility model further provides the thermos bottle with the thermos bottle cover.

The utility model relates to the technical field of FPC rubberizing production, in particular to an FPC pressure maintaining pressure head mechanism. Comprising a mounting plate and a plurality of pressure maintaining assemblies; each pressure maintaining assembly comprises a fixing part, a pressure sensor and a pressure head part, the fixing parts are arranged on the mounting plate, and the pressure sensors are connected with the fixing parts; the pressure head part comprises a metal plate and a high-temperature-resistant part, the metal plate is in sliding connection with the fixing part, the high-temperature-resistant part is connected with the metal plate and protrudes out of the bottom surface of the metal plate, and one pressure sensor is used for sensing the pressure value of the working state of one high-temperature-resistant part; a plurality of pressure maintaining assemblies are arranged, and each pressure maintaining assembly comprises a pressure sensor and a pressure head part, so that the pressure of each to-be-laminated part is controllable, the laminating quality stability is improved, and each pressure head part comprises a metal plate and a high-temperature-resistant part; the stress stability of each to-be-attached part is improved, the service life of the pressing head part is prolonged, and the production cost is reduced.

An apparatus for DIMM cooling includes an inflatable cold plate configured for placement in a slot between two memory cards connected to a motherboard of a computing device. The inflatable cold plate expands to contact the two memory cards in response to pressure from a cooling fluid and the inflatable cold plate is configured to transfer heat from the two memory cards to the cooling fluid. The inflatable cold plate is in fluid communication with a fluid pump configured to pump the cooling fluid through the inflatable cold plate at a sufficient pressure to pressurize the inflatable cold plate against the two memory cards and to circulate the cooling fluid through the inflatable cold plate to transfer heat from the inflatable cold plate.

The utility model relates to a foamed material cutting precision calibration equipment, especially in the technical field of foamed material processing equipment. Including the placement board, mounting panel, leveling mechanism, first mobile part, sucking disc, cross -cutting knife, baffle, pressure sensor, second mobile part. Overcome the current foamed material in the process of cutting the problem of poor precision, and the calibration equipment is easy to appear not in the process of detection horizontal state, thereby causing the problem of inaccuracy when foamed material cutting precision.

The invention relates to the technical field of fitness equipment testing equipment, and particularly discloses an abdominal wheel service life testing device which comprises a base frame, a transmission mechanism, a sliding mechanism, a pressing mechanism, a fixing mechanism and a counting display module. The transmission mechanism is used for driving the sliding mechanism to reciprocate in the length direction of the linear guide rail, the pressing mechanism is arranged on the sliding mechanism and comprises a pressure driving part and a pressing plate, and the pressure driving part is arranged on the sliding mechanism to drive the pressing plate to apply pressure to the fixing mechanism. The fixing mechanism is arranged on the lower pressing plate and used for fixing an abdominal wheel to be tested, the counting display module comprises a displacement sensor and a display screen, the displacement sensor is arranged on the sliding mechanism and used for collecting displacement data of the sliding mechanism in real time and converting the displacement data into the number of round-trip times and the moving distance, and the display screen is arranged on the base frame and used for displaying the displacement data. The method has the effect of improving the test accuracy of the service life of the power roller.

The application relates to the technical field of compression performance testing, in particular to a regenerated polyester fiber roadbed reinforcing material compression performance testing device and method thereof through sensor monitoring, which comprises a supporting plate, a support fixed on the supporting plate, and a top plate arranged at the top of the support; a pressure tank fixed on the supporting plate is used for bearing water, a rubber pipe is arranged in the pressure tank, and pressure regulating pipes are symmetrically arranged on the side wall of the pressure tank; a pressure regulating mechanism is arranged in the pressure regulating pipe, a piston disc in sliding sealing connection with the pressure regulating pipe is connected to the pressure regulating mechanism, a follow-up balance mechanism is arranged on the pressure regulating mechanism, when a sample arranged in the rubber pipe is compressed and the side edge of the sample is deformed, water enters the pressure regulating pipe and pushes the piston disc, under the action of the pressure regulating mechanism and the follow-up balance mechanism, the support force borne by the piston disc can be kept within a certain range at all times, so that the accuracy of the compression performance test is ensured.

The invention discloses a large wind tunnel blade which is characterized in that a pressure surface shell and a pressure surface main beam are co-cured into a whole, a plurality of first rib plates are adhered to one side of the pressure surface main beam of the pressure surface shell, a suction surface shell and a suction surface main beam are co-cured into a whole, and a plurality of second rib plates are adhered to one side of the suction surface main beam of the suction surface shell. The pressure surface main beam and the suction surface main beam are bonded to form an integral main beam, one end of the metal blade root is tightly held at one end of the pressure surface main beam and one end of the suction surface main beam and is bonded with the pressure surface main beam and the suction surface main beam in a matched mode, and the suction surface shell and the pressure surface shell are bonded to form a blade body. The first rib plate and the second rib plate are distributed on the two sides of the integral main beam and bonded between the pressure surface shell and the suction surface shell. The invention further discloses a preparation method of the large wind tunnel blade. The large wind tunnel blade and the manufacturing method thereof have the advantages that connection is convenient, the connection strength is guaranteed, the requirement for a mold is low, and the manufacturing cost is low.

This utility model provides an adaptive adjustment webbing detection device, relating to the field of webbing detection technology. It includes a support frame and a conveyor belt, as well as a telescopic assembly. The telescopic assembly includes a connecting rod fixedly connected to the support frame, a column fixedly connected to the top of the connecting rod, and a sliding block slidably connected to the outer side of the column. The sliding block has a groove inside, and a pressure plate is installed on the groove. A pressure assembly includes a rotating shaft rotatably connected to the sliding block, a connecting rod rotatably connected to the outer side of the rotating shaft, and a second sliding block rotatably connected to the end of the connecting rod away from the rotating shaft. This design achieves adaptive pressure adjustment of the webbing, ensuring that the webbing fits smoothly against the conveyor belt, providing good contact conditions for subsequent detection. Therefore, the pressure can be automatically adjusted according to the webbing thickness and other characteristics, avoiding damage to thinner webbing while ensuring sufficient contact with thicker webbing, effectively improving the accuracy and stability of the detection data.

The utility model discloses an anti-static floor pressure detection device, comprising a pedestal on which an assembled anti-static floor is carried; the pressure applying structure is installed on the base in a sliding mode and comprises a pressure applying piece, a weight disc, a force applying rod and universal wheels, the pressure applying piece is located above the anti-static floor and used for applying pressure to the force applying rod, the force applying rod is perpendicular to the anti-static floor, the universal wheels are installed at the lower end of the force applying rod, and the universal wheels make rolling contact with the upper surface of the anti-static floor. The force application rod can also bear a weight disc. Fixed pressure is applied to the anti-static floor through the pressure applying piece on the pressure applying structure, pressure adjustment can be additionally carried out by increasing or reducing the weight pans, on one hand, fixed-point pressure applying can be carried out for detection, and on the other hand, through moving the pressure applying structure and matching with rolling flexibility of the universal wheels, the detection accuracy is improved. The free rolling state of the material trolley is effectively simulated, the detection precision is improved, and the detection effect is optimized.

The utility model relates to the technical field of bipolar plate press machines, in particular to a dynamic error control and compensation mechanism of a bipolar plate press machine, which comprises a main servo motor direct drive transmission gear shaft and a driven eccentric gear, a connecting rod mechanism adopts a toggle rod type structure and comprises a connecting rod, a corner bracket and a lower connecting rod, and the lower connecting rod is connected with a sliding block adjusting screw rod. A sliding block adjusting servo motor drives a worm and a worm gear transmission mechanism, an adjusting nut structure is arranged in a worm gear and forms a connecting pair with an adjusting screw rod, the worm gear rotates to drive the sliding block adjusting screw rod to move up and down so as to adjust the die height of the sliding block, and the sliding block is provided with an inductance type linear displacement sensor. The main servo motor and the sliding block adjusting servo motor are connected with the displacement sensor through the PLC, the mold closing speed and the mold closing position of the mold are monitored and accurately controlled in real time, high-precision adjustment of mold closing of the mold is achieved, and the position of a bottom dead center can be accurately controlled and compensated in real time.

According to the end plate for the press machine, the transverse main rib plates distributed in parallel in the transverse axis direction of the base plate and the longitudinal main rib plates distributed in the center area of the base plate in the longitudinal axis direction of the base plate are arranged on the base plate, so that the overall rigidity of the end plate can be greatly improved; therefore, deformation caused by expansion force brought by initial loading force and galvanic pile expansion can be effectively resisted, and the sealing safety of the electrolytic cell is improved.

The electronic control stop valve assembly for the water hydraulic system comprises a stop valve body and a reversing valve located outside the stop valve body, a valve seat and a partition plate are arranged in the valve body, a liquid passing valve element is arranged between the valve seat and a first end cover, and a spring is arranged between the liquid passing valve element and the first end cover. The liquid passing valve element comprises a first valve element body and a second valve element body which are sequentially arranged, the first valve element body is close to the first end cover, a control valve element is arranged between the partition plate and the second end cover and comprises a pressure part and a rod part, the pressure part is perpendicular to the extending direction of the valve body, and the rod part is the same as the extending direction of the valve body. The pressure part is close to the second end cover relative to the rod part, the rod part extends towards the liquid passing valve element and penetrates through the partition plate, and the diameter of the pressure part is larger than that of the first valve element body. According to the embodiment, reliable opening or closing can be achieved under different working conditions such as the high-pressure working condition, the low-pressure working condition and the too small pressure difference between the inlet and the working opening, and the application range is widened.

The utility model discloses an actuating mechanism with an auxiliary cylinder and a servo electric cylinder, which is characterized in that a right auxiliary cylinder barrel (6) is provided with a right auxiliary cylinder rod (8), a right rodless cavity interface (601) and a right rod cavity interface (602), and a rod end mounting plate (9) is connected between a left auxiliary cylinder rod (7) and the right auxiliary cylinder rod (8); the pressure sensor (903) is fixed to the front end of the main electric cylinder push rod (2) and arranged at the bottom of the rod end mounting plate (9), the tail end of the main electric cylinder body (1) is fixed to the upper plane of the reduction gear box (4), an output shaft of the servo motor (3) is connected with the reduction gear box (4), and the reduction gear box (4) enables the main electric cylinder push rod (2) to perform telescopic motion through a reduction gear set. According to the utility model, the static load is counteracted by utilizing the rigidity characteristic of aerodynamic force, so that the servo motor only needs to overcome the dynamic load, and the operation efficiency is ensured in a high-load scene.

The present application relates to the technical field of seawater desalination, and discloses a turbine type high-efficiency hydraulic turbine pump for nuclear power seawater desalination, which comprises a turbine type turbine pump, a pressure cabin in sealing communication with the outer wall of an inlet flange, a piston member in sliding connection in the pressure cabin, a base ring fixedly connected to the inner wall of the inlet flange, a fixed ring fixedly connected to the base ring, a plurality of guide plates in annular equidistant distribution between the fixed ring and the base ring, a hollow groove formed in the upper part of the guide plate, and an expansion plate in rotary connection in the hollow groove. The pressure cabin and the piston member cooperatively monitor the water pressure change. When the water pressure decreases, the piston member drives the positioning ring to synchronously descend, thereby releasing the expansion plate from the limiting. After the expansion plate is turned out, the area of the upper part of the guide plate is increased, the water flow impacts the guide slope, drives the guide plate to deflect to form a spiral guide member, accurately corrects the water flow inflow angle, makes it adapt to the turbine blade inlet angle, effectively suppresses the cavitation phenomenon, and guarantees that the turbine type turbine pump is always in the best kinetic energy conversion working condition.