1016results about How to "Reduce deformation" patented technology

The invention belongs to the technical field of aviation accessory production, and particularly relates to a welding machining system and method for assembling a combined aviation aluminum shell. The inner supporting plate bending assembly and the inner supporting plate punch forming assembly are jointly used for conducting punching machining on the upper side and the lower side of the joint, a protruding plate which is folded inwards is formed in the punching forming process, and the inner supporting plate bending assembly is used for bending the protruding plate to form an inner supporting plate; the inner side and the outer side of the joint can be welded at the same time through the joint welding assembly; by means of the inner supporting plate punching assembly, an installation hole facilitating installation of a threading plate through a bolt can be formed and machined in the inner supporting plate, in this way, main components of the combined type aviation aluminum shell can be reliably clamped, and reliable anti-deformation supporting is provided in the trepanning and welding process; two sides of the weld are uniformly heated, and internal stress is relatively balanced, so that deformation is reduced, and the overall quality of the weld is improved.

The invention discloses a carbon-coated sodium ferrous sulfate phosphate positive electrode material as well as a preparation method and application thereof. The carbon-coated sodium ferrous sulfate phosphate positive electrode material is square flaky particles formed by coating sodium ferrous sulfate phosphate with a conductive carbon material and irregular aggregates of the square flaky particles. The molecular formula of the sodium ferrous sulfate phosphate is Na (6-2x + y) Fex( SO4) (3-y) (PO4) y, x is more than 0 and less than 3, and y is more than 0 and less than or equal to 0.5. The invention also discloses a preparation method and application of the carbon-coated sodium ferrous sulfate phosphate positive electrode material. The positive electrode material has the advantages of phosphate and sulfate positive electrode materials, the voltage platform is high, the conductivity is excellent, the air stability is good, and the assembled battery has excellent chemical sodium storage performance, high discharge specific capacity, highly reversible charge-discharge reaction and good cycle performance. The method is simple in process, high in feasibility, low in raw material cost and easy to realize industrial production through a solution system.

The invention discloses a braille point display device. According to the Braille point display, the shape memory alloy material is used as the lifting structure, and the lifting structure is controlled to deform under the power-on condition, so that the point display part is driven to extend or retract relative to the mounting main body. Compared with piezoelectric driving and electromagnetic driving equipment, the shape memory alloy material can adjust the deformation quantity through the power-on state, large deformation quantity can be generated through a small structural material, the size of a lifting structure does not need to be increased, the driving structure of the braille convex points is effectively simplified, the size of the equipment is reduced, and the production cost of the equipment is reduced. And meanwhile, the locking mechanism is arranged, so that the telescopic state of the point display part is kept, the situation that the lifting structure is always kept in a power-on state is avoided, and the power consumption of equipment is reduced.

The invention discloses a tool and method for repairing an inner ring of a flame tube of a combustion chamber of an aero-engine, and the tool comprises a base bearing which comprises a bearing plate, a bottom plate with the outer diameter larger than that of the bearing plate, and a connecting cylinder connected between the bottom plate and the bearing plate; the top plate is arranged on the bearing plate; the section of the pressing column is circular, and the diameter of the pressing column is gradually reduced from one end to the other end, so that when the pressing column presses one end of the bearing plate, the pressing column can push the top plate to move towards the outer diameter direction of the bearing plate; the cover plate comprises a supporting plate arranged on the pressing column and at least two pressing plates fixed to the periphery of the supporting plate through bolts, and the top plate is arranged between the pressing column and the pressing plates; and the adjusting bolt is used for fixing the base bearing seat, the pressing column and the cover plate and adjusting the depth of the pressing column pressed into the top plate. The inner wall of the flame tube inner ring is supported through the tool, deformation can be effectively reduced in the welding process, and the repairing quality is improved.

The invention relates to the field of marine transformers, and discloses a marine transformer with a protection mechanism, the marine transformer comprises a transformer oil tank and a mounting seat, the transformer oil tank is arranged above the mounting seat, a movable supporting structure is arranged in the middle of the upper surface of the mounting seat, and the transformer oil tank is arranged on the mounting seat through an external protection structure; a mounting frame is fastened in the middle of the lower inner wall of the transformer oil tank, a winding is mounted on the mounting frame, and oil sliding up and down in the transformer oil tank can be blocked through an internal protection structure when the ship body shakes up and down to drive the oil to slide, so that the upper side face and the lower side face of the transformer oil tank are protected; the problem that the upper side face and the lower side face of the transformer oil tank deform due to impact is reduced, the upper side face and the lower side face of the transformer oil tank can be protected outside the transformer oil tank through the external protection structure and the auxiliary protection structure, and the protection effect is better.

The invention discloses a compressive property detection device of an electronic device circuit board and a use method, relates to the technical field of circuit board testing, and aims to solve the technical problem that the existing circuit board compressive property test device is relatively single in function. According to the circuit board compressive property testing device, the structure of an existing circuit board compressive property testing device is improved, the downward pressing air cylinder is arranged on the testing base frame, the installation pressing plate is arranged at the output end of the downward pressing air cylinder, the mode adjusting mechanism is arranged on the installation pressing plate, and the opposite moving assembly of the mode adjusting mechanism drives the fluctuation adjusting assembly to move; the fluctuation adjusting assembly enables the structure of the rotary pressing assembly to be changed, so that a static pressure test state and a dynamic bump test state can be switched when the pressure test head is in contact with the circuit board to carry out a pressure resistance physical test, and the pressure resistance and the pressure resistance and impact resistance of the circuit board are tested. And a simulation test mode with multiple effects is beneficial to improving the product quality and reliability.

The invention belongs to the technical field of surgical robots, and particularly relates to a tenon-and-mortise connection-based modular quick assembly and disassembly robot structure for arthroscopic surgery, which comprises a continuum skeleton made of a flexible material and of a cylindrical structure; the flexible body anti-turning shell is arranged on the outer side of the continuum framework in a sleeving mode, the flexible body anti-turning shell and the continuum framework are bent at the same time, and the flexible body anti-turning shell is used for reducing deformation of the continuum framework; and the driving structure is in transmission connection with the continuum framework, and the driving structure enables the continuum framework to be bent. According to the invention, the deformation degree of the continuum skeleton can be reduced through the flexible body anti-turning shell, so that the situation of bending or excessive deformation of the continuum skeleton in a high-load and complex environment is avoided, and the accuracy and stability of the surgery can be remarkably improved.

The invention relates to the technical field of quick butt joint of pipelines, in particular to a quick butt joint device and method for assembly type mechanical connection pipelines, the quick butt joint device comprises two bottom plates arranged on one side of a round pipe, and a torsion transition mechanism is arranged above the bottom plates and comprises a first hoop; the tops of the three first hoops are all in movable contact with second hoops, and supporting seats are fixedly connected to the inner walls of the bottoms of the first hoops. In the butt joint process of the hose and the round pipe, high-concentration torsion generated after the hose is kept aligned is dispersed to other positions of the hose, so that the concentration of the torsion at the butt joint position is reduced, deformation of a flange on the hose in the butt joint process can be reduced, and the butt joint quality of the hose is improved. The torsion concentrated on the flange on the hose is gradually dispersed into a larger area of the whole hose, slow transition of the torsion at the joint of the flange on the hose is achieved, the stability and accuracy of butt joint are improved, and the butt joint efficiency is further improved.

The invention relates to the technical field of discharged water recycling, and discloses a discharged water recycling device based on an RO concentrated water system, which comprises a buffer tank, the buffer tank is connected with an ultrafiltration device, the ultrafiltration device is connected with a precision filter, the precision filter is connected with an RO device, the RO device is connected with a nanofiltration device, and the RO device is connected with a product water tank. The concentrated water is filtered by the RO device and then is divided into two paths of produced water, one path is recycled water, the recycled water enters a product water tank after the produced water conductivity and the produced water flow are detected, and the other path is re-concentrated water, and the re-concentrated water enters the nanofiltration device after pressure detection. Excess pressure of the concentrated water RO device is utilized to enter the nanofiltration device, nanofiltration is not provided with a booster pump, energy conservation and consumption reduction are achieved, the structure is simple and reasonable, the nanofiltration device is independent of original main system equipment, normal operation of the main equipment is not affected when the equipment breaks down or stops running, the water treatment capacity of a preceding-stage device can be reduced, waste water discharge is reduced, and the energy utilization rate is increased. The consumption of tap water in the water production process is reduced.

The utility model provides a chassis anti-collision structure assembly and a vehicle, and belongs to the technical field of vehicle parts, the chassis anti-collision structure assembly comprises a front auxiliary frame, a front lower anti-collision beam, a collision support and a connecting support; the front lower anti-collision beam is connected to the front end of the front auxiliary frame, and the area, protruding out of the front auxiliary frame, of the front lower anti-collision beam is an extension section. The collision support is connected to the outer side of the front portion of the front auxiliary frame and arranged corresponding to the extension section, and the collision support inclines forwards in the direction from inside to outside. The connecting support is connected between the front end of the collision support and the front end of the front auxiliary frame, and a triangular frame is defined by the connecting support, the collision support and the front auxiliary frame. According to the utility model, the risk that collision energy impacts the A column and intrudes into the cab is reduced, and the deformation degree of the passenger compartment is reduced.

The invention discloses a clamping-adjustable clamp for machining a motorcycle shock absorber, and relates to the technical field of clamping tools, the clamping-adjustable clamp comprises a supporting base, a linear guide rail and a punching device, side plates are symmetrically fixed to the top of the supporting base, an upper pressing plate is fixedly connected to the top ends of the side plates, and the clamping-adjustable clamp further comprises a clamping mechanism arranged in a top plate, an adjusting mechanism is arranged in the bottom plate; the clamping mechanism comprises an inner clamping plate and an outer clamping plate, a cylindrical groove is formed in the middle of the interior of the top plate, and the interior of the cylindrical groove is rotationally connected with a double-end lead screw; the adjusting mechanism comprises a top groove, a guide rod is fixedly connected to the interior of the top groove, and a sliding sleeve is slidably connected to the outer side of the guide rod, so that the problems that the interior of the aluminum cylinder is lack of support, when the clamping force of the device is too small, the aluminum cylinder is inconvenient to fix, and when the clamping force is too large, the aluminum cylinder is easily pressed and deformed, so that the finished product quality of the aluminum cylinder is reduced, and the production cost is reduced are solved. And the production cost is increased.

The invention discloses a laser welding machine assembly for self-positioning rotary welding, and belongs to the field of welding devices. Comprising a workbench, a rotatable welding table is arranged above the workbench, a laser welding head is arranged above the welding table, a gas conveying pipe is arranged in the laser welding head, a mounting plate is arranged on one side of the laser welding head, a swing assembly is arranged on the mounting plate, and one end of the swing assembly is connected with the laser welding head. According to the device, through the arranged connecting piece, during welding operation, the laser welding head can conduct swing welding operation, meanwhile, part of shielding gas is extracted through the action generated by the swing welding operation to be matched with output shielding gas, the covering range of the shielding gas is enlarged, and the welding quality of the device is further improved; defects generated during welding are effectively reduced, meanwhile, interference of plasmas on laser beams can be reduced, and the stability of welding operation is improved.

The utility model provides a negative pressure regulation and control structure and a ureter sheath, and belongs to the technical field of medical instruments. The negative pressure regulation and control structure comprises a negative pressure pipe and a suction valve; the negative pressure pipe is provided with a suction channel and an opening which are communicated with each other, the suction valve is in sliding fit with the negative pressure pipe, and the circulation area of the opening can be adjusted by sliding the suction valve; the suction valve comprises a valve body and a connecting protrusion which are connected with each other, the valve body is located outside the negative pressure pipe, the connecting protrusion penetrates through the open hole, partially protrudes out of the inner wall of the negative pressure pipe and is connected with the inner wall of the negative pressure pipe in a buckled mode, and the face, connected with the inner wall of the negative pressure pipe in a buckled and abutting mode, of the connecting protrusion is a limiting face. The limiting face inclines in the direction away from the valve body from the side, close to the open hole, of the limiting face to the side, away from the open hole, of the limiting face. According to the suction valve, the limiting face is obliquely arranged in the direction away from the valve body, so that the installation space between the limiting face and the valve body is enlarged, the deformation amount of the valve body needed by the connecting protrusion entering the suction channel is reduced, and the convenience of assembly of the suction valve is improved.

The high-temperature fan of the granulating and drying hot-blast stove relates to the technical field of compound fertilizer processing and production and comprises a base, a bearing support is fixed to the rear end of the base, a main shaft is rotationally installed in the middle of the bearing support, a main umbrella wheel is coaxially arranged at the input end of the main shaft, and trapezoidal fins are fixed to the position, close to the main umbrella wheel, of the rear end of the main shaft; the spindle is sleeved with a shaft sleeve, and a labyrinth seal is arranged at the front end of the shaft sleeve. In the using process, only one motor needs to be arranged, energy is supplied to the high-temperature fan, meanwhile, automatic circulation of cooling water is achieved through linkage driving of the circulation assembly, heat exchange cooling is conducted on the circulating cooling water through the cooling fan, and due to the fact that compressor refrigeration and water pump circulation do not need to be used, the cooling efficiency is greatly improved. Therefore, efficient circulating cooling of the cooling water can be achieved with a simple structure and extremely low cost, the problem of abrasion between parts of the fan caused by high-temperature expansion is solved, and heat transmitted to the bearing from a high-temperature medium is effectively controlled.

The invention discloses a tin bath structure for glass production, which comprises a bath body and an inclined plate, a gear is fixedly arranged on the inclined plate, a rack is fixedly arranged on the bath body, the gear and the rack are in meshing transmission, when the thickness of molten tin is set according to different glass specifications, the inclined plate ascends or descends, and in the ascending and descending process, the thickness of the molten tin is adjusted. Through the meshing effect of a gear and a rack, an inclined plate rotates to adjust the angle of the inclined plate, meanwhile, a rotating rod rotates to enable a first traction roller and a second traction roller to slide through cooperation of a guide groove and a guide column, so that the distance between the traction rollers is adjusted, and the angle between the traction rollers is matched with the inclination angle of the inclined plate; according to the glass plate traction device, the inclined plate is arranged on the traction roller, so that when the traction roller pulls a glass plate, the glass plate can be smoothly pulled to the traction roller from the inclined plate, the deformation phenomenon of the just-formed glass plate in the traction process is reduced, and the glass plate is more stable in the traction process.

The invention belongs to the technical field of aluminum material welding, and particularly discloses an auxiliary tool for decoration aluminum material welding, the auxiliary tool comprises a workbench and a welding gun body, the top of the workbench is provided with two placing seats, the surfaces of the placing seats are provided with placing grooves, the opposite sides of the two placing seats are fixedly connected with baffles, and the baffles are fixedly connected with the welding gun body. An electric push rod is arranged on the surface of one placing seat; by arranging the calibration assembly, the bottom surface position of one aluminum material can be detected in the fixing process of the aluminum material, the position of the aluminum material can be indicated through the position detected by the calibration assembly in the fixing process of the other aluminum material, it is guaranteed that the bottom surfaces of the two aluminum materials are located on the same horizontal plane after the two aluminum materials are fixed, and therefore it is guaranteed that the two aluminum materials are in butt joint accurately; the purpose of butt joint calibration of the two aluminum materials is achieved, the follow-up welding effect is improved, and the situation that the welding effect is reduced due to a certain error existing after the two aluminum materials are in butt joint is avoided.

The invention relates to the technical field of intelligent transportation, in particular to a rail type inspection robot walking mechanism, in the rail type inspection robot walking mechanism, two guide wheel assemblies are arranged on a rack in the extending direction of a rail at intervals and can be close to or away from each other, and the guide wheel assemblies are used for walking along the rail; the lifting piece is movably restrained on the rack in the extending direction perpendicular to the track; the driving wheel and the bearing part of the guide wheel assembly are arranged on the upper side and the lower side of the track; the transmission part is arranged between the lifting part and at least one guide wheel assembly, and the transmission part is arranged to drive the two guide wheel assemblies to be close to each other under the driving action of the lifting part when the driving wheel is away from the bearing part in the vertical direction; the elastic piece is used for making the two guide wheel assemblies away from each other. According to the arrangement, the deformation quantity of the elastic piece is smaller and the resistance is reduced when encountering an upward bent track, so that the endurance is favorably improved; and meanwhile, the service life of the driving wheel and the bearing part is ensured.

The utility model relates to the field of spinning, in particular to a woven fabric traction adjusting device for a warp knitting machine, which comprises a machine shell, a machine frame, a traction device and a control device, and a conveying roller is arranged on the inner side of the machine shell; the anti-deformation mechanism is arranged on the inner side of the machine shell, and the surface of the anti-deformation mechanism penetrates to the exterior of the machine shell; wherein the anti-deformation mechanism comprises an anti-wrinkling assembly arranged on the inner side of the machine shell, and an edge shifting assembly is arranged on the surface of the anti-wrinkling assembly; when the woven fabric is pulled, the central area of the woven fabric can be smoothed under the action of the crease-resistant assembly, the device drives the smoothing plate to be attached to the lower inclined face of the woven fabric by manually adjusting the position of the positioning rod, the pulled woven fabric is supported in an auxiliary mode, wrinkles generated in the pulling process of the woven fabric are smoothed, and the smoothness of the woven fabric is improved. Therefore, wrinkles in the middle area of the woven fabric are reduced in the traction process, and deformation of the woven fabric caused by traction is reduced.

The invention discloses a registration method based on a three-dimensional retina OCT (Optical Coherence Tomography) image, which relates to the technical field of OCT image registration, and comprises the following steps of: in the registration process of the OCT image, firstly, carrying out preliminary registration by taking anatomical feature points of the retina as key references of basic alignment, and eliminating global mismatching errors; after the preliminary registration is completed, the OCT image is divided into a plurality of sub-regions in an equal area, and each sub-region is used as an independent analysis unit, thereby facilitating the subsequent precise analysis of the local optical characteristics of each analysis unit. According to the method, global errors are eliminated through initial registration of retina anatomical feature points, image division and abnormal signal extraction are combined, healthy and scar tissue areas are intelligently recognized through a machine learning model, weights are dynamically adjusted to preferentially depend on the healthy areas, interference of scars on registration is reduced, registration reliability is improved, clinical misjudgment is reduced, and the accuracy of registration is improved. And technical support is provided for accurate diagnosis and treatment of retinopathy.

The invention provides a manufacturing method of a flexible product, which comprises the following steps: a first film layer is formed on a substrate, a second film layer is formed on the first film layer, and the surface binding force between the first film layer and the second film layer is smaller than the surface binding force between the first film layer and the substrate; and then the second film layer is separated from the first film layer in a mechanical separation mode according to the difference of binding force between different film layers, and the flexible product comprising the second film layer is obtained. According to the invention, the aim of mechanically separating the film layer from the substrate is fulfilled by utilizing the binding force difference between different film layers and manufacturing a film layer interface with low binding force, so that the danger caused by a chemical mode of corroding and releasing a sacrificial layer through a high-risk chemical drug and the limiting influence of some materials are avoided; and compared with a mode of directly and physically tearing the film from the substrate for separation, the method provided by the invention needs smaller separation force, so that the film layer deformation caused by mechanical separation is smaller, and meanwhile, the thinner film layer can be separated without film layer breakage caused by tearing.

The invention discloses an integrated battery pack safety detection device and a processing technology thereof, and the detection device comprises a plurality of PCB control boards which are provided with a plurality of detection notches; the detection block is accommodated in the detection notch, a first side of the detection block is connected with a hard first micro-connection structure, and detection support legs are arranged on the first micro-connection structure; the second side of the detection block is connected with a flexible and variable second micro-connection structure, and detection lines are densely distributed on the back surface of the detection block; the bus metal bar comprises a plurality of aluminum bars; and the conductive connecting piece comprises an FPC (Flexible Printed Circuit) connecting body and a conductive sheet, and the conductive sheet is provided with a temperature sensor. Multiple detection modes are mutually combined, the state of the battery pack in the early stage of thermal runaway can be effectively detected, the accuracy and reference of detection are improved, stable connection of the aluminum sheet and the PCB control board can be ensured, and the effectiveness of the detection device is kept.

The invention relates to the technical field of photovoltaic cables, and particularly discloses a cable for a photovoltaic system, which comprises conductors, the conductors are mutually twisted, a surrounding mechanism is arranged outside the conductors, a supporting heat conduction assembly for heat diffusion is arranged outside the conductors, and the supporting heat conduction assembly is embedded in the surrounding mechanism. An inner auxiliary mechanism is arranged on the periphery of the surrounding mechanism. Through mutual cooperation of the supporting heat conduction assembly, the inner auxiliary mechanism and the outer auxiliary mechanism, heat can still be diffused when the exterior of the cable is damaged, so that the risk can be reduced, the safety can be improved, heat can be gradually diffused layer by layer during heat diffusion, heat is prevented from being accumulated around the wear-resistant layer, the heat dissipation area is enlarged, the heat dissipation efficiency is improved, and the service life of the cable is prolonged. And when the cable is not damaged and needs to be bent, more space can be reserved through compression, so that the bending radian and deformation required by the conductor are reduced, the metal fatigue is reduced, and the service lives of the conductor and the cable are prolonged.

The invention discloses a robot disordered grabbing method and system based on 3D vision, and relates to the field of vision grabbing, and the method comprises the steps: configuring a 3D vision collection module to execute incoming material area continuous collection, executing definition of a robot base coordinate system, a camera coordinate system and an incoming material station coordinate system, and setting a tray in-place consistency constraint. Deterministic mapping of a clamp and a strategy is formed under multiple types of incoming materials, the grabbing success rate is improved, deformation and falling risks are reduced, collision safety is improved with minimum safety gap constraint and path cost selection in an unordered environment, and operation stability is maintained through action time accounting and beat conformity judgment on the beat side. And traceability is realized by a sorting accuracy target and a task log write-in mechanism, and finally, shutdown waiting and secondary faults are reduced through alarm and separate disposal rules in a static incoming material and structure separation risk scene.

The invention relates to the technical field of 3D printing, and provides a leveling device of 3D printing equipment and the 3D printing device.The leveling device of the 3D printing equipment comprises a printing platform and a moving platform and further comprises four screw rods, a distance sensor, a temperature regulation and control mechanism, a blowing mechanism and a collecting box, the screw rods are in threaded connection with the moving platform, and the distance sensor is arranged on the moving platform; the distance sensor is arranged on the printing head and used for measuring the distance between the printing head and the printing platform, the temperature regulation and control mechanism is used for regulating and controlling the temperature of the printing platform, the temperature change of the printing platform during printing is reduced, and the purging mechanism purges the surface of the printing platform through airflow generated by the temperature regulation and control mechanism. The collecting box is arranged on the moving platform and located on the side, away from the blowing box, of the printing platform, and through the technical scheme, the problems that in the prior art, temperature and impurities affect leveling, and the printing accuracy is reduced are solved.

The invention belongs to the technical field of photovoltaic target materials, and particularly relates to an indium titanium cerium niobium oxide ceramic target material, a preparation method and application thereof, and a transparent conductive oxide film. The indium titanium cerium niobium oxide ceramic target material comprises the following components: indium oxide, titanium oxide, cerium oxide and niobium oxide, the mass ratio of indium oxide to titanium oxide to cerium oxide to niobium oxide is 97-99: 1-0.3: 1-0.3: 1-0.2, the transparent conductive oxide film has high density, high purity and high strength, and the transparent conductive oxide film prepared from the transparent conductive oxide film has high carrier mobility, high conductivity and high light transmittance.

The utility model discloses a capacitor protection assembly and a capacitor, and relates to the technical field of capacitors, and the capacitor protection assembly comprises a housing, a cover body, a support, and a conductive assembly. The shell is provided with a containing cavity for containing the capacitor assembly. The cover body is arranged at the opening of the containing cavity in a covering mode. The support is installed on the cover body, and at least part of the support is located in the containing cavity. The conductive assembly comprises a first conductive part and a second conductive part which are connected, the first conductive part is directly or indirectly connected with the cover body, and the second conductive part is installed on the support. The support is provided with an electric fence, the electric fence is arranged on the peripheral side of the second conductive part, when the capacitor assembly breaks down, the cover body expands in the direction away from the support, and the first conductive part and the second conductive part are disconnected. According to the capacitor protection assembly, the capacitor protection capability can be improved, and the fault probability of the capacitor is reduced.

The utility model discloses a novel capacitive MEMS pressure sensor, which comprises a sensitive structure layer, a bonding layer and a bottom plate layer which are sequentially arranged from top to bottom, and a closed vacuum cavity is defined by the sensitive structure layer, the middle part of the bottom plate layer and the bonding layer; the sensitive structure layer comprises a sensitive layer frame and a sensitive layer capacitance plate, and the bottom plate layer comprises a bottom layer outer frame and a bottom layer capacitance plate; the middle parts of the sensitive layer frame and the bottom layer outer frame are correspondingly provided with a sensitive layer capacitance plate and a bottom layer capacitance plate respectively; the peripheral side of the sensitive layer capacitance plate is connected with the sensitive layer frame through a sensitive layer elastic film; a capacitance gap located in the vacuum cavity is formed between the sensitive layer capacitance plate and the bottom layer capacitance plate. Deformation under the action of external pressure mainly occurs at the elastic thin film, the deformation quantity of the sensitive layer capacitance polar plate is small, the linearity between the capacitance value variation and the air pressure or pressure variation is effectively improved, and good practicability is achieved.

The utility model relates to a ceramic chip and a nitrogen oxygen sensor, the ceramic chip comprises a plurality of layers of ceramic substrates, and the plurality of layers of ceramic substrates comprise an aluminum oxide substrate on the outer layer and a zirconium oxide substrate on the inner layer; the lead is arranged on the ceramic substrate and is used for connecting an external circuit; the heating electrode is printed on the ceramic substrate; the positive and negative electrodes are hidden in the multilayer ceramic substrate; the measuring electrode is used for measuring a medium to be detected and generating an induction signal; and the reference electrode is isolated from the measuring electrode and is used for providing a reference potential. The utility model has the advantages of higher mechanical strength, measurement accuracy and production efficiency, and lower manufacturing complexity and cost.

The invention provides a tunnel type annealing furnace, and relates to the technical field of heat treatment equipment. The tunnel type annealing furnace comprises an annealing furnace body, a conveying device, a heating device, a cooling device, an atmosphere protection device and a temperature control system, the annealing furnace body is of a long-tunnel-shaped structure, and a preheating area, a heating area and a cooling area are sequentially arranged in the annealing furnace body. A heating device is arranged in the heating area, a conveying device is arranged in the annealing furnace body, the cooling area comprises a rapid cooling area and a slow cooling area, the rapid cooling area is arranged at the front part of the cooling area and is close to one side of the heating area, the slow cooling area is arranged at the rear part of the cooling area and is far away from the heating area, and a sectional combined cooling device is arranged in the cooling area; and an atmosphere protection device for controlling a protective atmosphere is also arranged in the heating area. The mode of combining rapid cooling and slow cooling is adopted, so that the cooling process is efficient and uniform, and the thermal stress problem caused by temperature difference can be reduced.

The invention discloses an injection molding part side taking manipulator for injection molding in the technical field of equipment automation. The injection molding part side taking manipulator for injection molding comprises a supporting frame, and a mechanical arm used for in-mold labeling material taking and discharging and an installation frame fixedly assembled with the supporting frame are installed on the supporting frame; the storage rack is mounted on the mounting rack and is used for accommodating the in-mold label in a vertical state, and a discharge hole through which the in-mold label can pass is formed in the end part of the storage rack; the pressing assembly is assembled on the storage rack in a sliding manner and is provided with a spring pressing structure; the blocking assembly is mounted on the side edge of the discharging opening and used for preventing the in-mold labels from being moved out of the storage frame from the discharging opening under the extrusion of the pressing assembly; the force unloading assembly is installed on the storage frame and used for counteracting the constant thrust applied by the pressing assembly and increasing the contact area between the blocking assembly and the in-mold label, the displacement amount and the pre-pressure of the in-mold label are controlled through the gravity of a balancing weight, and compared with air cylinder pressing, the in-mold label pressing device is simple and compact in structure, does not need to be connected with an air circuit and is convenient to install and debug.