755 results about "Plate pressure" patented technology

The invention discloses a metal bent pipe shearing device for hardware product manufacturing, and belongs to the technical field of hardware product manufacturing, the metal bent pipe shearing device comprises a shell and a three-jaw chuck, and further comprises a rotating rod, a rotating plate, a shell sleeve, two rotating wheels, a shearing machine, a vertical plate, a pressure spring, a pushing rod and a driving mechanism, and the center line of the vertical plate can be kept perpendicular to the circle center connecting line between the two rotating wheels all the time, the shearing machine is slidably connected to the upper portion of the vertical plate, and the sliding direction of the shearing machine is the same as the direction of the center line of the vertical plate. The metal elbow shearing device has the advantages of being simple in structure and capable of guaranteeing that the shearing faces are flat and smooth when hardware metal elbows with different radians are sheared, and the problems that an existing metal elbow shearing device cannot shear the hardware metal elbows with different radians, the shearing direction cannot be accurately determined, the shearing faces of the metal elbows incline, and the shearing efficiency is high are solved. The flatness and the smoothness are not enough.

The invention relates to the technical field of puncture detection and discloses a puncture detection method and device for puncture-resistant film production, and the device mainly comprises a support frame, a base, a mounting plate, a pressure detection device, a puncture needle, a clamping seat, a fixing block and the like, and guide rods are fixedly connected to the left and right side walls of the clamping seat and located on the side edge of the fixing block; and a movable block is slidably connected to the guide rod in a sleeving mode, a rectangular groove is formed in the movable block, an electromagnetic block is fixedly arranged in the position, located in the middle of the bottom wall of the rectangular groove, of the interior of the movable block, and a movable plate is slidably connected to the interior of the rectangular groove. According to the puncture-resistant film flattening device, after a puncture-resistant film penetrates through a through groove in a clamping seat and is clamped by a fixed block and a sliding block, a movable block is pulled to slide on a guide rod, so that a movable plate in the movable block can abut against the puncture-resistant film, at the moment, the movable plate and the movable block synchronously move, and then the puncture-resistant film can be flattened through the moving movable plate; and the puncture-resistant film is prevented from wrinkling after being clamped, so that data of puncture-resistant detection is prevented from being influenced.

The invention discloses a deep thick and hard rock stratum roof directional long drill hole staged fracturing weakening method and system, and relates to the technical field of coal mining. The method comprises the following steps: determining a fracturing target horizon according to mining area geological data and to-be-treated working face monitoring data; a drill site construction position is determined, and drilling track parameters are determined in the fracturing target horizon; a fracturing assembly is installed, fracturing construction parameters are determined, and the operation sequence of drilling construction and fracturing construction is determined; and drilling construction is conducted according to the operation sequence, fracturing construction is conducted through the fracturing assembly, and the stability condition of the roadway is monitored in the whole process and before and after. The technical scheme aims at weakening far-field strong stress of a top plate of a thick and hard coal rock stratum overlying a deep coal mine underground roadway, and is particularly suitable for design of a directional long drilling hole fracturing weakening scheme in the field of deep thick and hard rock stratum top plate pressure relief and roadway protection engineering. And the roadway deformation condition under the disturbance influence of advanced high supporting stress and mining strong stress of the working face is improved.

The utility model relates to the technical field of core-spun yarn feeding, in particular to a core-spun yarn feeding device which comprises a base plate, a supporting frame is fixedly installed at the bottom of the base plate, a protective cover is fixedly installed at the top of the base plate, and limiting grooves which are symmetrically distributed are formed in the rear side of the inner wall of the protective cover. And adjusting screw rods are rotationally mounted in the two limiting grooves. According to the cored wire feeding device, the base plate, the supporting frame, the protective cover, the guide wheel, the fixing frame, the fixing plate, a worm, a worm gear, an adjusting lead screw, a conveying wheel, a first motor, a mounting plate, a pressure sensor, a movable frame, a third motor, a movable block, a tensioning wheel and a limiting groove are used in cooperation; the pressure control of the device on the core-spun yarn can be achieved, the situation that the pressure is too large or too small is avoided, the practicability of the device is improved, and stable conveying of the core-spun yarn is facilitated.

A self-adaptive multi-layer filter pressing system comprises filter pressing equipment and folding equipment, the filter pressing equipment comprises an upper crawler belt mechanism, a lower crawler belt mechanism and a pressure execution element, a filter pressing area is formed between the upper crawler belt mechanism and the lower crawler belt mechanism, and the thickness of the filter pressing area is reduced in the advancing direction of materials; the upper track mechanism comprises an upper pressing plate used for pressing a filter pressing area, the lower track mechanism comprises a lower pressing plate used for supporting the filter pressing area, the output end of the pressure execution element is connected with the upper pressing plate and applies pressure to the upper pressing plate, and the upper pressing plate can move up and down along with the output end of the pressure execution element; the folding device is used for folding the filter belt wrapping the materials into multiple layers of materials. According to the utility model, sludge is folded into multiple layers of materials and then enters the filter pressing area to be subjected to filter pressing, and the pressure executing element is matched with the upper pressing plate, so that the problem of machine blocking can be avoided, the multiple layers of materials can smoothly pass through the filter pressing area to be dehydrated, and thin-layer, efficient and continuous deep dehydration is realized.

The invention discloses a rapid detection device and detection method for an automobile wire harness, and relates to the technical field of automobile wire harness detection.The rapid detection device for the automobile wire harness comprises a detection table, a detection plate is fixedly installed at the top of the detection table, and a hydraulic cylinder is fixedly installed at the bottom of the inner wall of the detection table; the clamping device comprises a sliding plate, a clamping table, a threaded rod, a clamping plate, a pressure block, a fixed rod, a linkage plate, a pressing rod and a pressure plate, the linkage plate rotates to drive the pressing rod to move downwards, and at the moment, the pressing rod moves downwards under the action of the linkage plate to drive the pressure plate to move until the pressure plate makes contact with the placement plate; according to the wire harness clamping device, the wire harness is protected, the situation that clamping is not in place or not tight is avoided, and meanwhile the situation that in the process that the wire harness deforms during tension detection, splashed fragments generated when the wire harness is broken are damaged and hurt equipment and workers is avoided.

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 discloses an electric vehicle accessory positioning electric welding device, and relates to the technical field of welding equipment, the electric vehicle accessory positioning electric welding device comprises a clamping plate, a bottom plate, a pressure plate, a protection bin, a clamping column, a limiting rod, a sliding rod, a push plate, a telescopic rod, a disc, a front contact block, a triangular pressing plate, a moving block, a limiting plate and a rotating column; a first containing groove is formed in the top of the bottom plate, the clamping plate is slidably installed at the top of the bottom plate, the pressure plate is slidably installed in the containing groove, the protection bin is fixedly installed on the front face of the base plate, and a first through groove is formed in the front face of the base plate. And the situation that the accessories are transported to the welding position before being completely and correctly placed can be prevented, and the situation that workers need too much time to carry the accessories to the proper position due to the fact that the accessories are too heavy can be effectively avoided.

The invention discloses a laser cutting device for magnetic material machining, and relates to the technical field of cutting devices.The laser cutting device comprises a clamp, a telescopic plate, a pressure plate, a telescopic column, a straight rack, a rolling rod, a long strip, a connecting block, a pinion, a telescopic strip, a wide baffle, a placement plate and an L-shaped rod; the fixed end of the telescopic plate is fixedly installed at the bottom of the containing cavity, the wide baffle is fixedly installed at the movable end of the telescopic plate, the containing plate is fixedly installed at the bottom of the rack, a second sliding groove is formed in the bottom of the containing plate, and the fixed end of the telescopic column is fixedly installed at the top of the containing plate. And the pressure plate is fixedly mounted at the moving end of the telescopic column. When the baffle moves, the workpiece can be clamped, and the situation that the rack is accidentally collided by workers in the working process, the workpiece deviates, and finished products are unqualified 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 relates to the field of coal mine tunnel design, in particular to a method for cooperatively optimizing the width of a section coal pillar through undercut pressure relief and bottom plate filling. Comprising the steps of determining shear stress distribution in a first mining working face section coal pillar lower bottom plate; determining previous collapse positions of the basic roof; stoping and constructing a bottom cutting drilling hole in a maximum shear stress area in a lower bottom plate of the section coal pillar from the haulage roadway; lagging undercut pressure relief work is conducted, and bottom plate filling drilling is conducted from the track roadway to the position below the undercut pressure relief position at intervals; and grouting is conducted on the bottom plate rock stratum through the filling drill holes. According to the method, the bottom cutting drilling is constructed in the maximum shear stress area, so that the concentration of the shear stress of the bottom plate at the lower part of the section coal pillar is effectively reduced, and the stress of the section coal pillar is reduced. And furthermore, rock blocks at the bottom plate pressure relief position are upwards supported through bottom plate separation layer grouting filling at the lower part of the bottom cutting pressure relief position to prop against a cantilever structure formed by caving of the bottom plate, so that the overlying rock stress borne by the section coal pillar is shared, and the reserved width of the section coal pillar can be reduced.

The utility model discloses a PCB board grinding machine which comprises a board grinding machine body, adjusting grooves are formed in the front face and the back face of the board grinding machine body, adjusting rods are fixedly connected to the inner sides of the adjusting grooves, weight sensors are fixedly connected to the bottom ends of the adjusting rods, a lifting board is fixedly connected to the bottom ends of the weight sensors, and a board grinding motor is fixedly connected to the front face of the lifting board. The driving end of the plate grinding motor is fixedly connected with a plate grinding assembly, the front face of the plate grinding machine body is fixedly connected with a control panel, the two sides of the plate grinding machine body are fixedly connected with conveying frames, the front faces of the conveying frames are fixedly connected with a conveying mechanism, a telescopic rod is fixedly connected into the plate grinding machine body, and one end of the telescopic rod is fixedly connected with a mounting support. Through the arrangement of the adjusting rod, the weight sensor and the lifting plate, the board grinding effect is improved, the board grinding machine can automatically adjust the board grinding pressure according to the thickness of a PCB, and board grinding differences generated by the PCB are avoided.

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 provides a circuit breaker hydraulic mechanism fault detection device, and relates to the field of circuit breaker fault detection.The circuit breaker hydraulic mechanism fault detection device comprises a shell, the bottom of the shell is provided with a detection cavity, the top of the shell is provided with an installation cavity, and one side of the shell is provided with an oil inlet and an oil outlet which are communicated with the detection cavity; a partition plate is arranged in the middle of the mounting cavity, a first sleeve is rotationally mounted between the partition plate and the inner wall of the top side of the mounting cavity, and a plurality of spiral grooves are formed in the bottom of the first sleeve; through the arrangement of the first sleeve, the spiral groove, the rotating shaft, the detection plate, a pressure spring, a pressure sensor and other structures, the resistance borne by the detection plate when the detection plate rotates in hydraulic oil can be monitored in real time, so that the viscosity of the hydraulic oil is detected, the hydraulic oil is conveniently replaced in time when the viscosity of the hydraulic oil is too high, and the working efficiency is improved. And the conditions of serious efficiency loss, hydraulic mechanism faults and the like caused by over-high viscosity of the hydraulic oil are prevented.

The utility model provides an aluminum material extruder, which relates to the technical field of extruders, and comprises a base, a positioning assembly is fixedly connected to the top of the base close to the left side, the positioning assembly comprises a support frame, a motor is fixedly connected to the inner wall of one side of the support frame, the output end of the motor is fixedly connected with a screw rod, and the output end of the screw rod is fixedly connected with a screw rod. The outer surface of the lead screw is in threaded connection with a moving block, and the bottom of the moving block is fixedly connected with a positioning plate. According to the aluminum material cutting device, the positioning rod, the motor, the positioning plate, the pressure sensor, the protection plate, the lead screw, the moving block and the dial gauge are used in cooperation, the position of the positioning plate on the supporting frame can be conveniently adjusted according to the cutting length of an aluminum material, and therefore when the aluminum material is cut, the aluminum material is positioned through the positioning plate, and it is guaranteed that the cutting length of the aluminum material is the same every time; and the production quality of the aluminum material is guaranteed, and the production efficiency is improved.

An autonomous system for installing nail plates in wooden structures is provided. The system includes a C-clamp press attached to and be operated by a mobile robot. The C-clamp press includes a hydraulic cylinder operable to move a top plate relative to a stationary bottom plate; a coupler interposed between an end of the hydraulic cylinder and a the top plate; a stationary bottom plate; a top magnetic plate attached to the top plate; and a bottom magnetic plate attached to the bottom plate. Each of the top and bottom magnetic plates are configured to hold a nail plate and to embed the nail plate into a wooden member of a wooden structure when the C-clamp press is operated by the mobile robotic arm. The system further includes a computer vision system and a pressure sensor.

The invention discloses a forming control method for in-plane wrinkles of a composite material, which comprises the following steps of: firstly, ensuring that carbon fiber prepregs on two sides are straight and stable under the pressure limitation of shaping clamping plate pressure devices on two sides, and then controlling the softening and shaping of resin of the carbon fiber prepregs by utilizing the temperature of a hot air gun; then, the carbon fiber prepreg fiber filaments are driven to be bent through self heat transfer and friction force of the metal rod; according to the forming control method, carbon fiber prepreg fiber yarn buckling size control is achieved through diameter control and dragging force of a metal rod, and finally in-plane fiber wrinkles are compacted and shaped after the temperature is cooled. According to the mode, in-plane fiber wrinkles with the height as small as 0.5 mm can be manufactured in a controlled mode, certain forming stability is achieved, the in-plane fiber wrinkles are provided for a detection mechanism to conduct in-plane wrinkle detection testing and mechanical testing, precious data support can be provided for design and research and development of composite materials through accurate detection and analysis of the in-plane wrinkles, and the in-plane fiber wrinkles can be obtained. The material formula is optimized, the manufacturing process is improved, and the product performance is improved.

The utility model discloses an impregnation system for a resin-fiber pultrusion composite material, which comprises a pressure chamber and a matched cover plate, the pressure chamber is enclosed by a bottom plate, a first wall plate, a third wall plate, a first side plate and a second side plate, and the first wall plate and the third wall plate are distributed at the left end, the right end, the front end and the rear end of the bottom plate; a second wallboard is arranged to divide the pressure chamber into a first pressure chamber and a second pressure chamber, a prefabricated mold is installed on the second wallboard, a fiber outlet is formed in the first wallboard, a second pipeline connector is arranged at the bottom of the first pressure chamber, and a fiber inlet and a first pipeline connector are formed in the cover plate. According to the utility model, a double-cabin structure is arranged to control the pressure in the first pressure cabin to be low positive pressure and the pressure in the second pressure cabin to be negative pressure, so that after fibers are fully infiltrated, excessive glue solution is removed through pultrusion, and inclusion bubbles and volatile matters are fully removed, thereby improving the quality of a resin-fiber pultrusion composite material product; and high pressure and strict sealing requirements of traditional high-pressure injection are reduced, and the device is suitable for the field of gum dipping.

The invention provides a hydraulic support which comprises a support assembly, a top beam, a forepoling component and a first driving part, the top beam is installed on the support assembly, the support assembly is used for supporting the top beam, and a containing space is formed in the top beam; the forepoling component is at least partially mounted in the accommodating space, and the forepoling component and the top beam can be relatively telescopic; the first driving part is arranged on the top beam and connected with the advance support part, and the first driving part can drive the advance support part to do telescopic motion relative to the top beam; wherein the forepoling component is of a box-shaped structure. The forepoling component is arranged to be of the box type structure, the strength of the forepoling component is improved, the better bending resistance is achieved, the situation that the forepoling component is deformed under the pressure of a top plate and cannot stretch out and draw back during forepoling work can be effectively avoided, and therefore frequent maintenance of the hydraulic support is not needed, and the working efficiency is improved.

The invention is suitable for the technical field of mobile phone glass cover plate testing, and provides a mobile phone glass cover plate pressure testing device which comprises a base, a supporting base plate is fixedly installed on the base, an adjusting assembly is fixedly installed on the supporting base plate, and a fixing mechanism is driven to move transversely through a first adjusting screw and a second adjusting screw in the adjusting assembly. Therefore, the position of the mobile phone glass cover plate is adjusted, multi-point sampling of the mobile phone glass cover plate is facilitated, the coverage range is wider, the test deviation is reduced, and the detection precision is improved. The testing mechanism comprises a limiting seat, the limiting seat is slidably connected with a telescopic rod through an internal limiting groove, one end of the telescopic rod extrudes a pressure sensor, the other end of the telescopic rod is detachably connected with a contact, and meanwhile the outer wall of the telescopic rod is sleeved with a damping spring. The downward pressing speed of the contact is reduced through the elasticity of the damping spring, overlarge pressure at the contact moment of the contact is prevented, and the service life of the contact is prolonged.

The utility model relates to a riveting piece, in particular to a thin plate pressing rivet lining which comprises a body, a first pressing rivet and a second pressing rivet, the body is arranged to be in an annular shape extending in the axial direction, and the body is provided with a first face and a second face which are oppositely arranged in the axial direction; the riveting part is connected to the first surface of the body, the outer diameter of the riveting part is smaller than that of the body, so that the riveting part and the body form a step-shaped structure, and the outer diameter of the riveting part is smaller than the inner diameter of the mounting hole; wherein a sawtooth part is arranged on the peripheral annular wall of the riveting part, a gap is formed between the sawtooth part and the body, and the gap is used for containing at least part of the deformed mounting plate. By means of the structure, the sawtooth part used for extruding the mounting plate can be arranged on the periphery of the riveting part, machining is easy, and the sunken condition of the riveted plate can be avoided.

The present invention relates to a formwork system (1) comprising a first support frame element (2) and a second support frame element (13). The formwork system (1) further comprises a formwork device (8) comprising a first formwork element (7) and a second formwork element (14), wherein the first formwork element (7) is provided to be arranged on the first support frame element (2) and the second formwork element (14) is provided to be arranged on the second support frame element (13), wherein the formwork device (8) is provided to provide a filling space for receiving a consolidable building material and to be moved along a longitudinal axis of the first and second support frame elements (2, 13).The formwork system (1) further comprises at least two force elements (15, 16) which are intended to be arranged between the first and second support frame elements (2, 13) and are configured to counteract formwork pressure during operation of the formwork system (1). The invention also relates to a corresponding method.

The invention relates to the technical field of data processing and verification, in particular to a lightweight aluminum alloy cold stamping data verification method based on MES. The method comprises the following steps that die manufacturing parameters, stamping strength parameters, stamping speed parameters and stamping environment parameters of the lightweight aluminum alloy are collected through an MES system; pressure and speed reference data measurement is conducted on the stamping strength parameters and the stamping speed parameters, plate pressure degree layering is conducted on the pressure and speed reference data according to the die manufacturing parameters, and plate pressure degree layer data are formed. Through a data processing technology, an anomaly detection technology and a data verification technology, deformation structure change real-time monitoring and verification are carried out on aluminum alloy cold stamping production, so that verification accuracy is improved; abnormal traceability of an abnormal deformation structure is achieved, so that the quality stability of a stamping part is improved, and the production efficiency of light-weight aluminum alloy cold stamping is improved.

The utility model discloses a computer hardware performance detection device which comprises a detection table, the upper surface of the detection table is fixedly connected with two symmetrical first side plates, one side face of each side plate is rotationally connected with one end of a transmission shaft, the outer side of the transmission shaft is fixedly connected with two symmetrical chain wheels, and the outer sides of the chain wheels are provided with conveying chains. A first motor is fixedly installed on the upper surface of the detection table, and the output end of the first motor is fixedly connected with the sector gear. According to the computer hardware compression resistance detection device, computer hardware can be subjected to continuous compression resistance detection through the chain wheel, the conveying chain, the driven gear, the sector gear, the connecting plate, the lifting plate and the pressing plate, the detection efficiency is effectively improved, and the practical use effect of the detection device is enhanced; the problem of inaccurate detection result caused by non-uniform pressure of the pressing plate on the computer hardware is avoided, waste parts do not need to be taken out by workers, and the labor amount of workers is reduced.

The utility model discloses a high-temperature-resistant pressure transmitter, which relates to the technical field of pressure transmitters and comprises a pressure transmitter body, a heat insulation cover plate is fixedly mounted on the surface of the pressure transmitter body, a connecting pipe is fixedly connected to the bottom of the pressure transmitter body, and a fixing device is arranged at the lower end of the connecting pipe. The fixing device comprises a first pressing plate used for improving stability, the first pressing plate is fixedly connected to the lower end of the connecting pipe, a rotating shaft is rotatably connected to the interior of the first pressing plate, and according to the high-temperature-resistant pressure transmitter, after the two sliding plates are loosened, the spring can release elastic force and push the two fixing rods to be clamped into the two through holes in a sliding mode; through the first pressing plate and the second pressing plate, the installation stability of the pressure transmitter body is improved, the anti-pressure capability and the sealing performance of the connection part are enhanced, cracking or air leakage is prevented, and the accuracy of pressure measurement is further improved.

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 anchorage device comprises a corrugated plate, a cover plate and a connecting bolt, the corrugated plate is a main component of the anchorage device and adopts the design of alternating wave crests and wave troughs, the contact area between the corrugated plate and the carbon plate is increased through the physical shape, the transmission of force can be dispersed through the special corrugated structure of the corrugated plate, and the carbon plate can be clamped through the cover plate and the connecting bolt. Stress concentration on the carbon plate is reduced, and cracks or fractures of the carbon plate at anchoring points are avoided; the cover plate is matched with the corrugated plate for use, which is crucial for maintaining the integrity and stability of the carbon plate. The anchorage device can be widely applied to building reinforcement, bridge support, civil engineering and other occasions needing carbon plates. The unique waveform design, the precise cover plate pressure distribution and the application of the high-performance carbon plate glue jointly act to provide an efficient, reliable and long-term stable anchoring solution.

The invention belongs to the field of ultrasonic oil film thickness measurement, discloses an ultrasonic oil film thickness calibration platform suitable for friction pairs with different structural shapes, and can finish true ultrasonic oil film thickness calibration of different friction pairs according to different design of a corresponding calibration test piece of the structural shapes of the measured friction pairs. The ultrasonic oil film thickness calibration platform comprises an upper beam, a side plate, a base, a structure-adjustable upper test plate, an oil groove, a structure-adjustable lower test plate, an ultrasonic probe tool, a nanometer displacement platform, a manual displacement platform, a pressure sensor, a manual platform adapter plate, a pressure sensor adapter plate and a probe tool gland. According to the ultrasonic oil film thickness calibration platform, the replaceable structure-adjustable upper test plate and the structure-adjustable lower test plate are designed and used for simulating the lubricating contact state of different bearing rollers and outer rings or other friction pairs with special shapes, and therefore ultrasonic oil film thickness calibration under a special structure is achieved.

The utility model relates to the technical field of jacks, and discloses a jack adjusting device for a heavy airplane, which comprises a base and a jack main body arranged at the top of the base, a linkage sleeve plate is sleeved outside the output end of the jack main body, an extension plate is fixedly connected to the surface of the outer ring structure of the linkage sleeve plate, and a pressure sensor is arranged at the bottom of the extension plate. The top of the base is provided with an internal threaded sleeve aligned with the pressure sensor, the inner side of the internal threaded sleeve is in threaded connection with an adjusting threaded rod, and the top of the adjusting threaded rod can make contact with the pressure sensing face of the pressure sensor in a jacking mode. The linkage sleeve plate, the pressure sensor, the inner threaded sleeve, the adjusting threaded rod, the auxiliary twisting assembly and the semi-open guide cylinder form an auxiliary adjusting device, and then after the auxiliary adjusting device is combined with the base and the jack body for use, pressure detection can be conducted on the supporting state of the whole device while the requirement for stable lifting of an airplane is met; therefore, a user can find the use fault of the whole device in time.