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188 results about "Pressure units" patented technology
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A: Common units for pressure include the Pascal, atmosphere, bar, Torr, millimeters of mercury and pounds per square inch.
Grouting splitting pressure simulation device and evaluation method under high-altitude and high-water-pressure conditions
The invention discloses a grouting splitting pressure simulation device under high-ground and high-water-pressure conditions, and relates to the technical field of tunnel and underground engineering model tests. A first water permeable unit controlled by the water injection unit and a second water permeable unit controlled by the confining pressure unit are respectively arranged at two ends in the length direction, so that water pressure and stratum confining pressure are independently applied. The integrated grouting unit of the device is used for grouting soil in the box and is provided with a comprehensive detection unit, the comprehensive detection unit monitors various parameters such as grouting pressure, water pressure, confining pressure, flow, soil resistance and wave velocity in real time, and independent loading and accurate dynamic control of the grouting pressure, formation water pressure and formation stress can be achieved; therefore, the grouting process of the deep-buried tunnel under the conditions of different burial depths, high water head differences and complex grout characteristics can be simulated in a laboratory with high precision, and the technical bottleneck that the complex environment of high ground stress and high water pressure coupling is difficult to reproduce in a traditional test method is effectively solved.
Owner:CENT SOUTH UNIV +1
Hydraulic support roof beam maintenance press
The hydraulic support roof beam maintenance press machine comprises a frame, a first pressure unit and a second pressure unit are arranged at the bottom of the frame, a first rotating driving part and a plurality of groups of pressing wheels are arranged on the first pressure unit, a fixed plate is arranged at the bottom of the second pressure unit, a plurality of pressing blocks are arranged on one side of the fixed plate at intervals, a second rotating driving part is arranged on the second pressure unit, a transmission gear is drivingly connected to the rotating output end of the second rotating driving part, a knocking block is eccentrically arranged on the transmission gear, the second rotating driving part can drive the transmission gear to rotate, so that the pressing blocks can be close to the fixed plate, and the fixed plate and the pressing blocks constitute a double-side pressure shaping structure of the hydraulic support roof beam side plate. The hydraulic support roof beam maintenance press machine is favorable for solving the problems that some existing press machines are fixed and difficult to break through the site limitation, and the maintenance of the hydraulic support roof beam side plate is time-consuming and laborious.
Owner:SHANDONG ENERGY EQUIP GRP INNER MONGOLIA COAL MASCH INTELLIGENT EQUIP MFG CO LTD
Knuckle bearing axial clearance detection tool
The utility model discloses a joint bearing axial clearance detection tool, which comprises a pressing unit, a loading unit and a detection unit, and is characterized in that the pressing unit comprises an outer ring pressing assembly and an inner ring fixing assembly, and the outer ring pressing assembly presses and fixes an outer ring of a joint bearing; the inner ring fixing assembly fixes an inner ring of the knuckle bearing in the axial direction. The loading unit comprises a loading push rod, and the loading push rod can be controlled to push and pull the inner ring of the knuckle bearing with a set load so as to drive the inner ring of the knuckle bearing to move relative to the outer ring of the knuckle bearing in the axial direction; the detection unit comprises a displacement detector, and the displacement detector is used for detecting the axial clearance of the knuckle bearing; the pressing unit can respectively fix the inner ring and the outer ring of the joint bearing to be detected, the loading unit drives the inner ring to move relative to the outer ring with a set load, and the detection unit feeds back the size of the axial clearance through the displacement of the guide shaft or the pressing block. The detection tool provided by the utility model can effectively detect the size of the axial clearance of the knuckle bearing.
Owner:ZHUHAI LONHUA HELICOPTERS TECH CO LTD
Rotary pressing machine
The invention relates to a rotary press comprising a rotor which can be rotated by means of a rotary drive and which has upper and lower punch guides for upper and lower press punches and a die plate arranged between the punch guides, the press punches interacting with the cavities of the die plate, and a filling device, the invention relates to a rotary press for filling a powder material to be pressed into a cavity of a mold disc, comprising a pressure device having an upper and a lower pressure unit which, during operation, interacts with an upper and a lower pressing punch in order to press the powder material in the cavity into a pressed article, comprising a scraping device, and a scraping device for scraping off the pressed product ejected onto the upper side of the mold plate by the lower pressing punch after pressing, the scraping device having a scraping channel arranged at least partially above the mold plate in order to guide the pressed product ejected onto the upper side of the mold plate from the mold plate to the first pressed product outlet along the scraping channel.
Owner:FETTE COMPACTING GMBH
Laser welding device for noble metal plates
The present application relates to a kind of laser welding devices of noble metal plate, including mould unit, heavy down pressure unit and laser unit;Mould unit is used to support noble metal plate, heavy down pressure unit is used to press the welding portion of noble metal plate, laser unit is used to carry out laser welding to the welding portion of noble metal plate;Heavy down pressure unit includes: first heavy down pressure unit, for the first end of the noble metal plate is positioned on the mould unit;Second heavy down pressure unit is used to position the second end of the noble metal plate in the form of being stacked above the first end of the noble metal plate on the mould unit;And third heavy down pressure unit is used to beat the noble metal plate;Wherein, the first heavy down pressure plate of first heavy down pressure unit and the second heavy down pressure plate of second heavy down pressure unit are located on the side of preset weld position when down pressure, the third heavy down pressure plate of third heavy down pressure unit covers preset weld position when down pressure and can be dragged to the other side of preset weld position.
Owner:SHANGHAI INST OF CERAMIC CHEM & TECH CHINESE ACAD OF SCI
Wood door and door pocket fine cutting equipment and saw carriage structure thereof
The utility model provides wooden door and door pocket fine cutting equipment and a saw carriage structure thereof.The wooden door and door pocket fine cutting equipment comprises a shell, the upper side face of the shell is provided with a machining face, and the machining face is provided with a cutter groove and a negative pressure area; the saw blade unit is arranged in the shell; the saw blade unit comprises a longitudinal cutter set and a lifting assembly, the longitudinal cutter set corresponds to the cutter groove, and the lifting assembly is in driving connection with the longitudinal cutter set; and the negative pressure unit is connected with the negative pressure area and is used for enabling the negative pressure area to be in a negative pressure state. According to the saw carriage structure, the negative pressure area can be used for carrying out negative pressure adsorption and fixation on a plate on the machining face, and the plate is prevented from deviating in the cutting process; and the longitudinal cutter set is driven by the lifting assembly to ascend and expose the cutter groove to cut the plate, and descends into the shell when working is not needed, so that operation accidents caused by the fact that the longitudinal cutter set is exposed outside are avoided, and safety and reliability are achieved.
Owner:FOSHAN MINGJI XINYAO MASCH MFG CO LTD
A dart impact testing machine for measuring material properties
ActiveCN224286584Uachieve initial fixationAvoid affecting the experimental structureStrength propertiesMachineScrew thread
This utility model discloses a dart impact testing machine for measuring material properties, comprising: a base with a mounting groove on its surface, a negative pressure chassis slidably inserted into the inner wall of the mounting groove, a mounting unit for limiting the position of the negative pressure chassis on the inner wall of the mounting groove, a negative pressure groove on the top of the negative pressure chassis, a pressure plate above the negative pressure chassis, a negative pressure unit, and a first driving unit, wherein the negative pressure unit applies negative pressure to the inside of the negative pressure groove. In this utility model, by creating a lifting groove on the surface of the base, and with a lifting block slidably inserted into the inner wall of the lifting groove, during use, the user rotates a threaded rod, which drives the lifting block, threaded onto the surface of the threaded rod, to slide along the inner wall of the lifting groove, thereby controlling the height of the impact dart and thus controlling the impact force.
Owner:SICHUAN XIKE OPTOELECTRONIC TECH CO LTD
Lubricating oil filter to-be-bypassed sensor tester
The utility model relates to a lubricating oil filter bypass sensor tester, which comprises a box body, an operation panel is arranged on the box body, a power supply, a test adapter, a temperature unit and a pressure unit are arranged in the box body, the operation panel is provided with a test interface, a temperature regulation panel and a pressure regulation knob, the temperature unit comprises a temperature platform, and the pressure unit comprises a gas source and a temperature platform. The test interface is arranged at the bottom of the box body, the test adapter is fixedly arranged above the test interface and is respectively connected with the power supply and the temperature regulation panel, the air source is fixed at the bottom of the box body and is respectively connected with the test adapter and the pressure regulation knob, and an input port of the test adapter is arranged in the test interface and is connected with a to-be-tested lubricating oil filter bypass sensor through the test interface; the temperature adjusting panel is used for setting the temperature of the temperature platform, the pressure adjusting knob is used for adjusting the output pressure of the air source, the output pressure is presented in the form of a portable function test box, the actual working temperature and the environment pressure of the sensor can be accurately simulated, and the test safety and accuracy are improved.
Owner:CHINESE PEOPLES LIBERATION ARMY UNIT 31897
Intelligent seat adjustment device and method
The application discloses a kind of intelligent adjusting device and method of seat, it is related to intelligent seat technical field, including support unit, the rear side of the support unit is welded with rear side fixed frame, the middle part of the rear side fixed frame is rotatably connected with second transmission rod, backrest frame is rotatably arranged on the second transmission rod, the left and right sides of the bottom of the backrest frame are provided with limiting unit, the upper portion of the support unit is welded with positioning unit, the middle part of the positioning unit is slidably with down pressure unit.The application is used when user seats, down pressure cylinder generates vertical displacement under human body pressure, is sequentially driven by rack plate, first gear, bevel gear set, second gear, third gear, and the angle adjustment of backrest frame is completed by the synchronous drive of second transmission rod, can be automatically completed attitude adaptation according to the weight of passenger, seat posture, corresponding seat posture can be matched for different groups of people such as thin, normal, heavy etc.
Owner:BAZHOU SANJIANG FURNITURE CO LTD
A surrounding test device
This invention relates to a confining pressure testing device for testing cubic rock blocks. It includes an outer shell and multiple confining pressure units, each unit comprising a pressure pad, an inner pad block, an outer pad block, an inner bladder, and a connector. The pressure pad is embedded in the inner and outer pad blocks; the inner pad block is not fixedly connected to the pressure pad, while the outer pad block is fixedly connected to the pressure pad. The connector connects the outer pad block to the outer shell. Multiple inner pad blocks surround the rock block. The pressure pad has a laminated structure. The pressure pad, the inner pad block, and the outer pad block form a closed cavity. The inner bladder is disposed within the cavity. After being filled with fluid and expanding, the inner bladder adheres tightly to the inner surface of the cavity. Pressure is transmitted to the rock block through the inner pad blocks, forming confining pressure on the rock block. This invention reduces the deformation and weight of the confining pressure testing device through structural optimization and material improvements to the pressure pad.
Owner:NINGBO INSTITUTE OF TECHNOLOGY BEIHANG UNIVERSITY
Clinical compression hemostasis device for general surgery department
The invention discloses a clinical compression hemostasis device for the general surgery department, and relates to the technical field of medical instruments. The clinical compression hemostasis device for the general surgery department comprises a clamping mechanism, a clamping block, a sliding piece, an air bag, an inflation device and a locking mechanism. The clamping mechanism comprises two clamping ends capable of relatively moving and a driving assembly for driving the two clamping ends to be close to or far away from each other, and the driving assembly can lock and maintain the relative positions of the two clamping ends so as to resist separating force which is applied externally and enables the two clamping ends to be far away from each other; the two clamping blocks are oppositely arranged and connected to the two clamping ends of the clamping mechanism correspondingly. The two sliding pieces are in sliding connection with the two clamping blocks in the clamping face directions of the clamping blocks correspondingly. The number of the air bags is two. The clinical compression hemostasis device for the general surgery department can be firmly locked in a compression state, prevents the compression unit from accidentally loosening, and supports flexible adjustment of the action area of the compression unit according to the wound position.
Owner:THE 923RD HOSPITAL OF THE CHINESE PEOPLES LIBERATION ARMY JOINT LOGISTICS SUPPORT FORCE
Pressure unit for a drive roller of a printing device
Pressure unit (210) for a drive unit (150) for driving a web-shaped recording medium (120); wherein the pressure unit (210) comprises, - a pivoting arm (213) with a pressure roller (212), wherein the pivoting arm (213) is designed to pivot a main axis of rotation (211) away from or towards a drive roller (200) of the drive unit (150), so that a gap between the pressure roller (212) and the drive roller (200) is increased or decreased; - a fork (214) arranged on the swivel arm (213); - a camshaft (225) with a cam (222), wherein the camshaft (225) is designed to be rotated about a shaft axis of rotation (221), while the cam (222) is arranged in an opening of the fork (214), so that when the camshaft (225) is rotated, the pivot arm (213) is pivoted away from or towards the drive roller (200) of the drive unit (150) by the cam (222), depending on the direction of rotation; - the camshaft (225) or a lever (220) on the camshaft (225) has a first dowel pin (223) which extends radially away from the camshaft (225) at a first angular position, and a second dowel pin (223) which extends radially away from the camshaft (225) at a second angular position; - the pressure unit (210) comprises an end stop (224) for the first dowel pin (223) and for the second dowel pin (223) which is designed to limit the rotation of the camshaft (225) to angular positions between the first and the second angular position; - the end stop (224) is removable; - the camshaft (225) is designed to be rotated beyond the second angular position when the end stop (224) is removed; and - the pressure unit (210) is designed such that the cam (222) is moved out of the opening of the fork (214) when the camshaft (225) is rotated beyond the second angular position.
Owner:CANON PRODN PRINTING HLDG BV
Reusable and modular fluid dispenser
Owner:SARNOW SEBASTIAN
Massage device with separate pressure unit
PendingJP2026507282ADevices for pressing relfex pointsDiagnosticsPhysical medicine and rehabilitationPhysical therapy
The present invention relates to a massage device, and more particularly, to a massage device equipped with a separate pressure unit. A massage device equipped with a separate pressure unit according to one aspect of the present invention includes a pressure unit having first and second pressure members arranged along a width direction to apply pressure to a user's body, and first and second pressure plate members supporting the first and second pressure members, respectively, and a lift unit having first and second lift members for raising and lowering the first and second pressure plate members, respectively, and first and second lift drive members for providing driving force for the first and second lift members, respectively.
Owner:CERAGEM CO LTD
Turnover waste removal device
ActiveCN224088189UMeet the needs of useLaser beam welding apparatusWaste productEnvironmental engineering
The utility model discloses a turnover waste removal device which comprises a carrier plate, a first mounting part and a second mounting part, a product to be subjected to waste removal is fixed on the carrier plate; a waste removing module is arranged on the first mounting part, the waste removing module at least comprises one negative pressure unit, and the negative pressure unit forms an air flow channel which is through up and down; the second mounting part is arranged above the waste removing module, the carrier plate is fixedly mounted on the second mounting part, and the spatial position of the carrier plate is adjusted by the second mounting part; the first mounting part and the second mounting part are configured to be used for adjusting the carrier plate and the negative pressure unit to relative positions; the relative position is that the product to be subjected to waste removal faces the negative pressure unit, and the gap between the carrier plate and the negative pressure unit is within a set range; and then downward airflow is formed in the airflow channel through the negative pressure unit, airflow is formed in the gap between the carrier plates located on the two sides of the airflow channel and the negative pressure unit, the airflow is collected to the airflow channel to flow downwards, and the dust and the waste are conveyed downwards along with the airflow, so that the dust and the waste are effectively removed.
Owner:WUHAN DR LASER TECH CORP LTD
Shock assembly and method for determining a position of an internal floating piston of a shock assembly
A shock assembly includes a damper chamber; a piston rod received in the damper chamber; a damping piston connected to the piston rod, moveable within the damper chamber, and defining first and second chamber portions; an internal floating piston defining a third chamber portion, being disposed between the second and third chamber portions, and being axially moveable between first and second positions; a fluid received in the first and second chamber portions; a pressuring unit received in the third chamber portion; a magnetic element connected to the internal floating piston; first and second hall sensors configured to respectively provide first and second position readings of the internal floating piston based on a position of the magnetic element; and a processor communicatively connected to the first and second hall sensors and being configured to determine a position of the internal floating piston based on the first and second position readings.
Owner:ELKA SUSPENSION
Edge cutting and collecting device for fiberboards
The utility model relates to the field of plate processing, and particularly discloses an edge cutting and material collecting device of a fiberboard, which comprises a conveying belt, a cutting unit, a crushing unit and a negative pressure unit, the cutting unit is positioned above the crushing unit, cut wood chips fall into the crushing unit and are crushed, the negative pressure unit can be conveniently pumped away, meanwhile, the negative pressure unit can also be used for negative pressure dust collection, and the cutting efficiency of the fiberboard is improved. And flying dust generated during edge cutting is reduced. According to the scheme, the function is stable and reliable, and the discharging process is very convenient, fast and efficient. By means of an advanced automatic control system, full-automatic operation of the whole process can be achieved, excessive manual intervention is not needed, and the labor cost and the labor intensity are reduced. Besides, related parts in the scheme are concise and reasonable in arrangement and easy and convenient to install and maintain, a good effect is shown in the actual use process, and the production efficiency and the operation quality are practically improved.
Owner:PING XIANG QING SHAN ZHONG MI DU XIAN WEI BAN YOU XIAN GONG SI
Solar panel disassembly equipment
Owner:WON KWANG S&T
Powder negative pressure filling system, powder filling machine and working method
The invention relates to the technical field of food packaging, in particular to a powder negative pressure filling system, a powder filling machine and a working method.The powder negative pressure filling system comprises a tank sealing structure and a filling head, the pressure environment in a tank is changed, and switching between negative pressure filling discharging and discharging stopping is achieved; the height adjusting unit is used for changing the extending length of the filling head relative to the tank body; the negative pressure unit is used for providing filling negative pressure for the tank body; the weight obtained by the first weighing unit is used for guiding the vertical height control of the height adjusting unit; and the maximum powder filling amount is in negative correlation with the extending length of the filling head relative to the tank body. The powder filling machine comprises a powder negative pressure filling system, and coarse powder filling is achieved. And the screw filling system realizes fine powder filling. A mechanical screw is replaced by a negative pressure filling mechanism, and a height-adjustable structural unit and weighing feedback are introduced, so that filling without mechanical contact is realized, mechanical damage of powder particles is avoided, and high filling speed and precision are kept.
Owner:JOYEA CORP
Hydraulic support top beam maintenance press machine
The invention relates to a hydraulic support top beam maintenance press which comprises a rack, a first pressure unit and a second pressure unit are arranged at the bottom of the rack, and the first pressure unit is provided with a first rotary driving part and a plurality of sets of pressing wheels; a fixing plate is arranged at the bottom of the second pressure unit, a plurality of profiling blocks are arranged on one side of the fixing plate at intervals, a second rotary driving part is arranged on the second pressure unit, the rotary output end of the second rotary driving part is in transmission connection with a transmission gear, a knocking block is eccentrically arranged on the transmission gear, and the second rotary driving part can drive the transmission gear to rotate. The pressing block can get close to the fixing plate, and the fixing plate and the pressing block form a double-side pressure shaping structure of the hydraulic support top beam side plate. The problem that the maintenance of the hydraulic support top beam side plate is time-consuming and labor-consuming due to the fact that some existing press machining places are fixed and place limitation is difficult to break through is solved.
Owner:SHANDONG ENERGY EQUIP GRP INNER MONGOLIA COAL MASCH INTELLIGENT EQUIP MFG CO LTD
Intelligent piano keyboard touch pressure feedback adjusting device
The invention belongs to the technical field of key negative pressure testing, and particularly relates to an intelligent piano keyboard touch pressure feedback adjusting device which comprises a platen, a negative pressure unit is arranged at one end of the platen, a regulation and control unit is arranged on one side of the negative pressure unit, and a main body unit is arranged in the external space of the negative pressure unit. When an ejector pin and a snake groove in the inner wall of an opening ring completely interact for a unit circle number, a wedge plate pokes a double-sided gear ring to rotate for a unit angle, otherwise, the moving distance of a single-side rack does not meet the unit tooth number distance; therefore, the unilateral rack moves for a unit tooth number distance in the direction far away from the opening ring under the action of the adjusting gear for meshing of unit turns, and displacement difference exists in the front-back direction until the displacement difference is linearly increased and meshed with the indexing gear, so that the set top box is promoted to autonomously adjust the position, change the lever point and maintain the interaction force between the keys and the ball rod in real time; the lever point between the piano keys and the piano seat plate is adjusted in a high-precision manner through autonomous feedback adjustment.
Owner:一诺云智能科技(南通)有限公司
Cutter bending testing device
The utility model discloses a cutter bending test device, which comprises a pressure applying unit, a clamping unit, a driving unit and a bending unit, the pressure applying unit comprises a test board and an electric guide rail fixedly mounted at the top of the test board, an electric push rod is fixedly mounted at the top of the output end of the electric guide rail, and the top of the output end of the electric push rod is fixedly connected with a push plate; the device comprises a vertical plate fixedly connected to the top of a test board, one side of the vertical plate is fixedly connected with a fixed plate, the top of the fixed plate is rotatably connected with a threaded rod, one side of the vertical plate is slidably provided with a first clamping plate, and the threaded rod penetrates through the first clamping plate and is in threaded connection with the first clamping plate. After the cutter is clamped and fixed, the electric push rod drives the push plate to ascend to apply pressure to the cutter so as to test the bending performance of the cutter, and the electric guide rail drives the electric push rod to move to apply pressure to different areas of the cutter so as to test the bending capability of the cutter in all directions.
Owner:NANJING DONGCHENG MASCH CUTTING TOOLS CO LTD
Liquid multi-column packaging machine and liquid multi-column packaging process based on rolling liquid discharge
The invention relates to the field of multi-column packaging machines, in particular to a liquid multi-column packaging machine based on rolling liquid drainage and a liquid multi-column packaging technology. The rolling unit comprises a rotating ring, an annular film, a driving unit and a supporting column; the two rotating rings are coaxially arranged, and a gap exists between the two rotating rings; the annular film is arranged at the gap in the axis direction of the rotating rings, the two ends of the annular film are fixedly connected with the two rotating rings respectively, and the annular film has elasticity; the driving unit is arranged on one side of the two rotating rings; the supporting column penetrates through one sides of the two rotating rings along the axes of the rotating rings, the two rotating rings, the annular film and the supporting column jointly form an inflation cavity, a first vent groove communicating with the inflation cavity is formed in the supporting column, and a first air pump communicating with the first vent groove is arranged on one side of the supporting column. According to the invention, collaborative optimization of traction stability and defoaming effect is realized, and the residual quantity of bubbles in the bag is greatly reduced.
Owner:CHUNYUAN HEALTH IND (GUANGDONG) CO LTD
Intelligent constraint glove
ActiveCN121101860ARestraining devicesMeasuring/recording heart/pulse ratePhysical medicine and rehabilitationPhysical therapy
The invention relates to the field of medical auxiliary instruments, in particular to an intelligent restraining glove. The problems that an existing traditional restraining glove is insufficient in reliability, the restraining force cannot be automatically adjusted according to the physiological state of a patient such as emotional excitation, or after being tightened, the glove cannot be relaxed along with emotional relaxation of the patient, and excessive compression is likely to be caused are solved. The glove comprises a glove body detachable fingerstall, a finger joint connecting seat, a thermo-sensitive temperature collecting body, an air pressure transmission device, an annular wrist hoop, a pulse sensor and a double-fixing mechanism. The detachable fingerstalls facilitate detection, the thermal pressurization unit is linked with the pneumatic transmission device, the wrist hoop is automatically loosened and tightened according to the state of a patient, the wrist of the patient and the bed body are connected through the quick release device and can be quickly assembled and disassembled, and safety and emergency are guaranteed through double fixation. The device has the advantages of giving consideration to constraint and monitoring, automatically adjusting force and improving safety and comfort.
Owner:RUIJIN HOSPITAL AFFILIATED TO SHANGHAI JIAO TONG UNIV SCHOOL OF MEDICINE
A high-pressure unit integrated control method and system
The present application relates to the technical field of high-pressure unit control system, and particularly relates to a high-pressure unit integrated control method and system, wherein the high-pressure unit integrated control method comprises: obtaining start-stop costs and maximum loads of each generator in the high-pressure unit; predicting expected load demand of the high-pressure unit in a future period; based on the expected load demand and the maximum loads of each generator, selecting a target generator combination satisfying the expected load demand from each generator with the minimum overall start-stop cost of the high-pressure unit as an optimization target; and performing integrated control on each generator in the target generator combination. The present application realizes the mode change of the high-pressure unit from the current optimal to the period optimal by fusing future load prediction and start-stop cost optimization, reduces the overall operation cost and improves the energy efficiency level under the premise of guaranteeing power supply reliability.
Owner:CHANGSHA SHUITU ELECTRIC TECH CO LTD
A carbon fiber paper molding device
This utility model provides a carbon fiber paper molding device, relating to the field of carbon fiber paper material processing technology. Specifically, it includes an upper carbon fiber paper mold and a lower carbon fiber paper mold. U-shaped plates are fixedly installed on corresponding sides of the lower carbon fiber paper mold. Hydraulic rods are installed on the top of both U-shaped plates, penetrating and fixedly connected to them. The output ends of both U-shaped plates are fixedly connected to the upper carbon fiber paper mold. This application utilizes multiple pressure units at the bottom of the pressure plate, through the coordinated action of a servo motor, lead screw, pressure sensor, and execution pressure head, to achieve independent and precise pressure control of different areas of the carbon fiber paper. The servo motor drives the lead screw to move the execution pressure head. Combined with real-time feedback from the pressure sensor, the pressure in each area can be flexibly adjusted according to the characteristics of the carbon fiber paper and molding requirements, effectively avoiding molding defects caused by uneven local pressure and significantly improving the molding quality of the carbon fiber paper.
Owner:WUXI SUPEBO NEW MATERIALS TECHNOLOGY CO LTD
Detection device for rapidly detecting initial strength of concrete by embedding template system
PendingCN121740588AMaterial strength using tensile/compressive forcesClassical mechanicsStructural engineering
The invention relates to the technical field of concrete detection equipment, in particular to a detection device for quickly detecting the initial strength of concrete by embedding a template system, which comprises independent steel templates which are used as detection pressure units and are separately arranged on the inner side of a slip form steel template, and the independent steel templates are in direct contact with a concrete surface; the unit contact area of the independent steel templates is defined as S; the limiting device is assembled between the slip form steel template and the independent steel template and is used for keeping the independent steel template in a non-working state flush with the inner side of the slip form steel template; and the electric press is in transmission connection with the independent steel template. According to the detection device for rapidly detecting the initial strength of the concrete by embedding the template system, the independent steel template is in direct contact with the concrete in the template, and the strength data of the concrete body is directly obtained in a detection mode of penetration at a specific depth in unit area; and the problem of deviation between the mortar strength and the concrete body strength is avoided.
Owner:THE FOURTH OF CHINA EIGHTH ENG BUREAU
Oxygen bag pressurizing device
The utility model discloses an oxygen bag pressurizing device, belongs to the technical field of medical supplies, and is used for solving the technical problem that the oxygen supply flow is reduced due to the fact that the internal pressure of an oxygen bag is gradually reduced in the using process. The utility model discloses an oxygen bag pressurizing device which comprises a bottom unit, a pressure applying unit and a telescopic unit. The bottom unit comprises an annular frame; the pressure applying unit comprises an annular pressure applying piece; the telescopic unit comprises a plurality of bandages and telescopic pieces; one ends of the bandages are fixedly connected with the pressure applying pieces, and the other ends of the bandages are connected with the telescopic pieces; the frame and the pressure applying piece are oppositely arranged; the telescopic piece is fixed to the frame, and the frame and the pressure exerting piece exert pressure on the oxygen bag by pulling the bandage. The oxygen bag pressurizing device provided by the embodiment of the utility model is suitable for the existing universal oxygen bag, the workload of medical staff is reduced, and meanwhile, the use efficiency of oxygen is also improved.
Owner:PEKING UNIVERSITY THIRD HOSPITAL (THE THIRD CLINICAL MEDICAL SCHOOL OF PEKING UNIVERSITY)
Experimental device for simulating dynamic invasion depth of working fluid into stratum
The utility model discloses an experimental device for simulating the dynamic invasion depth of a working solution into a stratum. The experimental device comprises a pressure unit, a special long core holder and a data acquisition unit, the special long core holder comprises a holder barrel, a high-pressure-resistant rubber sleeve is arranged in the holder barrel, and a rubber sleeve plug and a rubber sleeve support are arranged at the two ends of the high-pressure-resistant rubber sleeve; the pressure unit comprises a pressure supply assembly and a pressure relief assembly, the pressure supply assembly comprises a high-precision displacement pump and a piston type intermediate container, and the pressure relief assembly comprises a pressure return pump and a liquid collecting device; the data collection unit comprises a data collection control device, the data collection control device is electrically connected with the infusion pressure sensor, the drainage pressure sensor, the bridge instrument and the temperature control device, and the multiple electrode pairs are arranged on the outer wall of the high-pressure-resistant rubber sleeve in the axial direction. The device can adapt to rock cores with different sizes, can accurately simulate a rock core experiment environment, and can accurately carry out an experiment on the dynamic invasion depth of a working solution into a stratum.
Owner:SOUTHWEST PETROLEUM UNIV
Batch type eight-connection pipe cover buckling auxiliary device
The utility model discloses a batch type eight-connection pipe cover buckling auxiliary device. Comprising a base body, a connecting pipe hanging flat belt, a feeding driving unit, a turning cover pre-pressing unit and a cover body pressing unit. The cover body pressing unit comprises a pressing wheel which is in rolling contact with the cover body; hanging holes are uniformly arrayed in the surface of the connecting pipe hanging flat belt; the multi-hole belt type transmission assembly is adopted, a large amount of pre-assembling under the high-frequency cover buckling working condition is achieved, the time for waiting for assembling and placing of operators is saved, the cover overturning pre-pressing unit and the cover body pressing unit are additionally arranged subsequently, pipe cover buckling of the eight-connecting-pipe is achieved, manual cover buckling operation is omitted through an automatic method, and the working efficiency is improved. By additionally arranging the advancing synchronizing assembly, the effects of supporting the lower ends of the eight connecting pipes and synchronously advancing are achieved, and the technical defects that due to the flexibility characteristic of a connecting pipe hanging flat belt, when the pressing wheel presses downwards, the connecting pipe hanging flat belt is bent, the pressure is buffered, and a buckling cover is not tight are overcome.
Owner:TONGJI HOSPITAL ATTACHED TO TONGJI MEDICAL COLLEGE HUAZHONG SCI TECH