227 results about "Plate pressure" patented technology

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.

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 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.

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 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.

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.

This invention relates to the field of oilfield equipment monitoring technology, specifically proposing a structure and method for monitoring corrosion inside a bimetallic composite plate pressure vessel. The structure includes an inner section and an outer section. The inner section is installed inside the pressure vessel, and its thickness is the same as that of the inner layer of the pressure vessel. The outer section covers the inner wall of the inner section. An anti-corrosion layer is applied to the outer wall of the outer section. Blind holes and through holes are adjacently formed on the outer wall of the inner section, with the end of the through hole near the outer section abutting against the inner wall of the outer section. By detecting the blind holes and through holes in the inner section, the corrosion status of the pressure vessel's inner layer can be deduced. Since grinding or welding repair of the inner section is unnecessary, it avoids affecting the subsequent normal operation of the pressure vessel. Furthermore, it overcomes the shape limitations of the pressure vessel itself, reduces errors in the detection results, and ensures the accuracy of the calculated corrosion rate of the pressure vessel's inner layer.

The invention relates to the field of container corrugated plate machining, in particular to container corrugated plate pressure forming equipment and a using method thereof.The container corrugated plate pressure forming equipment comprises a forming machine support, a cleaning mechanism, a hydraulic forming mold, a hydraulic pressure forming mold, a hydraulic pressure forming mold, a hydraulic pressure forming mold pressing mechanism and a hydraulic pressure forming mold pressing mechanism, the cleaning mechanism is movably installed between the two sides of the inner wall of the cleaning groove and used for cleaning foreign matter on the surface of the plate, and the flow dividing mechanism is movably installed in the middle of the forming machine support, matched with the cleaning mechanism in a transmission mode and used for removing unqualified plates. According to the pressure forming equipment for the corrugated plate of the container, the wedge-shaped scraping plate, the L-shaped guide groove, the guide rod and other components are used in cooperation, when abnormal protrusions exist on the surface of a plate, the linear conveying motion of the plate can be converted into the transverse separation motion of the wedge-shaped scraping plate, and therefore unqualified plates can be effectively detected; and resource waste caused by pressure forming of unqualified plates is avoided.

The utility model relates to the technical field of guardrail detection, in particular to a guardrail plate pressure detection device which comprises a base, a supporting frame fixedly arranged on the base, a lifting plate slidably arranged at the bottom of the supporting frame, a first sliding groove formed in a mounting plate, a first motor fixedly arranged on the mounting plate, and a second motor fixedly arranged on the mounting plate. The first screw rods are located in the first sliding grooves and rotationally connected with the mounting plate, the two sets of fixing plates are arranged and arranged on one sides of the first screw rods in a threaded and sleeving mode respectively, second sliding grooves are formed in the fixing plates, the second screw rods are located in the second sliding grooves and rotationally connected with the fixing plates, the clamping plates are arranged in the second sliding grooves in a sliding mode, and first threaded holes matched with the second screw rods are formed in the clamping plates. According to the device, the lifting plate drives the mounting plate to ascend and descend, then the first motor drives the fixing plate and the clamping plate to move in the axial direction of the first screw rod, clamping and limiting of the guardrail to be detected are achieved, the guardrail is prevented from sliding along the ground during detection, and the detection precision is improved.

The utility model relates to the technical field of battery production, and discloses a device for folding double battery cells to a BMU middle plate, which comprises a middle plate transfer mechanism, a BMU plate positioning mechanism, a double battery cell folding mechanism and a middle plate pressure maintaining mechanism, the BMU plate positioning mechanism is arranged on an operation path of the middle plate transfer mechanism, and the BMU plate positioning mechanism is arranged on an operation path of the middle plate transfer mechanism. The double-cell folding mechanism is arranged on the periphery of the BMU plate positioning mechanism, and the middle plate pressure maintaining mechanism is arranged above the BMU plate positioning mechanism; the middle plate transferring mechanism comprises a first driving unit and an adsorption unit in driving connection with the first driving unit. The utility model has the following technical effects: the attachment of the middle plate and the BMU plate is realized through the cooperation of the adsorption unit and the middle plate pressure maintaining mechanism, and when the middle plate pressure maintaining mechanism maintains the pressure of the middle plate, the adsorption unit can still maintain the adsorption and fixation of the middle plate, so that the attachment position of the middle plate on the BMU plate is more accurate and fixed, and the improvement of the consistency of products is facilitated.

The invention discloses a breathing machine pipeline support, and relates to the technical field of breathing machine auxiliary instruments, the breathing machine pipeline support comprises a bed edge up-and-down side turnover mechanism, and the top of the bed edge up-and-down side turnover mechanism is provided with a bed edge bottom sliding installation mechanism; the device further comprises a pipeline supporting and height adjusting mechanism, a supporting distance adjusting mechanism, a constraint angle fast adjusting mechanism and a breathing machine pipeline bearing mechanism. The pipeline supporting and height adjusting mechanism is installed at the end of the bed edge up-and-down side overturning mechanism. The supporting distance adjusting mechanism comprises a sliding sleeve and a sliding plate anti-disengaging assembly, one end of the sliding sleeve is installed on the top of the pipeline supporting and height adjusting mechanism, a sliding plate is installed on the inner side of the other end of the sliding sleeve in a sliding mode and connected with the sliding sleeve through the sliding plate anti-disengaging assembly, and a sliding plate pressed locking mechanism is installed on the sliding plate. According to the breathing machine pipeline support, the position and the angle can be freely adjusted after a breathing machine pipeline is fixed, adjustment is convenient and rapid, and the position and the angle of the breathing machine pipeline can be rapidly locked according to requirements.

The utility model discloses a coal mine tunnel fault passing rapid supporting device which comprises bases distributed at the bottoms of the two sides of a tunnel, single-cylinder hydraulic props are fixedly arranged on the bases, a supporting top plate is fixedly arranged at the upper ends of the single-cylinder hydraulic props, and a supporting side plate is hinged to the end, close to the side face of the tunnel, of the supporting top plate. One end of the support top plate is hinged to the support top plate, the other end of the support top plate is hinged to an extension top plate, the other end of the extension top plate is internally connected with a butt joint plate in an inserted mode, the butt joint plate is used for butt joint to achieve closing, and a pressure monitoring mechanism is arranged on the upper surface of the support top plate. The pressure sensor collects roof pressure data in real time, and the roof pressure data is analyzed and processed by the controller to achieve real-time monitoring and early warning of the roof pressure. Meanwhile, the extension top plate is matched with the butt joint plate, the extension top plate is driven to turn over through the second hydraulic push rod, the position of the butt joint plate is adjusted through the fastening bolt, roadway top plates with different widths can be flexibly adapted, and fully-closed supporting is achieved.

The application discloses a welding device for a plug-in plate type steel support for a highway cast-in-place beam and particularly relates to the technical field of positioning welding, which comprises a staggered synchronous positioning mechanism, wherein the staggered synchronous positioning mechanism comprises a press groove plate, a pressure sensor, a sleeve rod and a connecting strip; the press groove plate is fixedly connected to the bottom end of the pressure sensor; the inner wall side of the press groove plate is slidably connected with a slope surface of the sleeve rod; and one end of the sleeve rod is fixedly connected with the connecting strip. The staggered synchronous positioning mechanism can quickly realize transverse and longitudinal staggered synchronous positioning and fixed welding, even if the positioning and welding positions of inclined steel frames, vertical steel frames and bent steel frames are staggered and complex, and the positioning and fixed welding efficiency is higher and the welding stability is better, so that the problems of low positioning and fixed welding efficiency and poor positioning and welding firmness of steel supports in different directions are solved.

The utility model discloses a protection device for a fuel pressure sensor of an off-road vehicle, and belongs to the field of automobile sensor protection. The pressure sensor mainly comprises a cover plate, a pressure sensor body and a protective cover body, a mounting base is arranged in the middle of one side of the cover plate, a double-side spring bolt and a single-side spring bolt are arranged on the two sides of the mounting base respectively, the pressure sensor body is arranged above the mounting base, the protective cover body is arranged above the pressure sensor body, and the protective cover body is a shell. One end of the through groove abuts against the pressure sensor body, arc elastic buckles abutting against the pressure sensor body are arranged on the two sides of the through groove, a single-side elastic buckle and a double-side elastic buckle are arranged on the two sides of the interior of the protective cover body respectively, and plug pins on the two sides of the double-side elastic buckle are inserted into the inserting grooves and abut against the lower surfaces of the inserting grooves. A single-side pin of the single-side elastic buckle abuts against the lower surface of the fixing block. The protective cover is arranged on the outer side of the pressure sensor, it is guaranteed that the air holes of the pressure sensor cannot be blocked, and the pressure sensor can work normally for a long time.

This invention provides a pump assembly, a two-stage enthalpy-increasing compressor, and an air conditioner. The pump assembly includes a low-pressure stage compression section, a high-pressure stage compression section, and an intermediate-pressure chamber. The intermediate-pressure chamber has a first gas injection enthalpy-increasing port and a second gas injection enthalpy-increasing port, both of which are connected to the enthalpy-increasing component of the two-stage enthalpy-increasing compressor via enthalpy-increasing pipes. The intermediate-pressure chamber contains a pressure regulating valve plate, which divides the intermediate-pressure chamber into a gas injection chamber and a pressure equalization chamber. The valve plate can move towards the side with the lower pressure when a pressure difference exists between the gas injection chamber and the pressure equalization chamber. The first gas injection enthalpy-increasing port is connected to the gas injection chamber, and the second gas injection enthalpy-increasing port is connected to the pressure equalization chamber. The intermediate-pressure chamber is connected to the high-pressure stage compression section via the gas injection chamber. This invention improves the pressure fluctuation in the intermediate-pressure chamber of the two-stage enthalpy-increasing compressor, thereby reducing noise and vibration, improving the enthalpy-increasing performance of the compressor, and enhancing the user experience.

The present application belongs to the technical field of seawater phase change mass transfer devices, and particularly relates to a seawater phase change mass transfer device parallel multi-stage sealing device and a preparation method. The seawater phase change mass transfer device parallel multi-stage sealing device comprises a support frame, a lifting mechanism is installed in the support frame, a pressure plate is connected to the output end of the lifting mechanism, a plurality of linear bearings are connected between the pressure plate and the support frame, a temperature-variable bottom plate is arranged in the support frame, a heat-conducting metal strip and a flow channel are embedded in the temperature-variable bottom plate, and a polytetrafluoroethylene patch is attached to the surface of the temperature-variable bottom plate; a hydrophobic air-permeable mass transfer membrane is placed on the polytetrafluoroethylene patch, one side of the hydrophobic air-permeable mass transfer membrane is attached to the polytetrafluoroethylene patch, and the other side is attached to a phase change mass transfer plate; and the hot-pressing sealing area of the hydrophobic air-permeable mass transfer membrane and the phase change mass transfer plate corresponds to the heat-conducting metal strip. The present application provides a seawater phase change mass transfer device parallel multi-stage sealing device and a preparation method.

The utility model discloses an additional supporting piece of a post-cast strip independent supporting system, and relates to the technical field of building construction. The two ends of the supporting rod are arranged in a downward inclined mode, and the middle end of the supporting rod abuts against a supporting strip on the lower surface of a formwork for pouring in a matched mode. The connecting insertion pipes are bilaterally symmetrically inserted into the inclined edges at the two ends of the supporting rod, and clamping grooves are formed in the lower ends of the connecting insertion pipes; the vertical plate of the mounting frame is inserted into the clamping groove after inclining towards one side of the connecting insertion pipe; the supporting frame is clamped on the supporting strips on the two sides of the lower surface of the formwork, and a connecting screw rod is fixed to the outer bottom wall of a transverse plate of the supporting frame; the supporting block is screwed to the connecting screw rod through threads, and the upper side of the supporting block abuts against the lower side wall of the transverse plate of the mounting frame; a limiting nut is screwed to the connecting screw rod through threads, and the lower side of the limiting nut abuts against the upper side wall of the transverse plate of the mounting frame; the structure is simple, installation is stable, the supporting height can be rapidly adjusted, formwork pressure is effectively dispersed, pouring deformation is prevented, and the construction quality and efficiency are improved.

The present application relates to the technical field of plate hydraulic machine, disclose a kind of plate pressure shaping hydraulic machine, including lower base body, the middle part of the top of lower base body is provided with support base, the top of lower base body four corners is provided with support column, the top of four groups of support column is commonly provided with upper base body, the bottom of upper base body is provided with four groups of plunger main cylinder;The present application is equipped with four groups of lower plunger cylinder and four groups of upper plunger cylinder with built-in displacement sensor, realizes moment leveling system control, and is matched with four sets of displacement sensor data, real-time adjustment high-frequency response proportional servo valve control parameter, and mobilizes dedicated leveling system high-pressure pump group and energy accumulator, complete to lower plunger cylinder and upper plunger cylinder Rapid stable liquid supplement, realize high response closed-loop control, ensure to realize high-precision high-performance leveling task, finally, leveling accuracy is better than 0.08mm / m, reach the most advanced similar product level in the world, it is 1.5 times of the similar product in the current domestic.

An apparatus for DIMM cooling includes an inflatable cold plate 102 configured for placement in a slot between two memory cards 104 connected to a motherboard 106 of a computing device. The inflatable cold plate 102 expands to contact the two memory cards 104 in response to pressure from a cooling fluid and the inflatable cold plate 102 is configured to transfer heat from the two memory cards 104 to the cooling fluid. The inflatable cold plate 102 is in fluid communication with a fluid pump 114 configured to pump the cooling fluid through the inflatable cold plate 102 at a sufficient pressure to pressurize the inflatable cold plate 102 against the two memory cards 104 and to circulate the cooling fluid through the inflatable cold plate 102 to transfer heat from the inflatable cold plate 102.