13results about How to "Effective deformation" patented technology

The application discloses a non-orthogonal transducer array three-dimensional ultrasonic wind speed and direction instrument which can be carried on a unmanned aerial vehicle and applied to the field of wind speed and direction instruments, and the non-orthogonal transducer array is adopted to reduce the influence of turbulence on wind measurement accuracy; when the turbulence degree generated by one group of transducers is relatively large, the other two groups of transducers can compensate the data, so that high-precision wind speed and direction measurement is realized; meanwhile, when the unmanned aerial vehicle encounters strong wind, the probe fixing rod will be broken, so that the unmanned aerial vehicle is prevented from losing control due to the large wind area of the orthogonal annular support, and the fixed base plate and the elastic thin rod are arranged to recycle the broken and fallen orthogonal annular support and ultrasonic probe, so that the high-altitude falling object is not easy to form, and the orthogonal annular support and the ultrasonic probe are effectively protected, the subsequent recycling and reuse of the orthogonal annular support and the ultrasonic probe are facilitated, and the wind direction and speed detection in strong convection weather such as strong wind is applicable.

The invention belongs to the technical field of nuclear turbine blade repairing, and particularly relates to a nuclear turbine blade damage repairing method which comprises the steps that firstly, a repairing material is selected; secondly, a tool clamp is used for clamping the damaged blade; 3, industrial CT flaw detection is conducted on the blade repairing area; 4, judging the type of the damaged area, and removing the damaged area of the blade; 5, a repairing method, a repairing path and a repairing strategy are selected, and damage repairing is conducted; 6, the repairing effect and the stress generation condition in the repairing process are judged, and the local deformation degree is determined; step 7, carrying out industrial CT secondary flaw detection on the blade repair area; and eighthly, the repaired blade is subjected to aftertreatment. According to the method, the damaged part of the blade can be rapidly and effectively repaired, so that the service performance of the blade is recovered, and the service life is prolonged.

The invention discloses a self-adaptive bump air inlet channel structure design method, and belongs to the field of aircraft air inlet channel structure design. Comprising four parts of high-bearing and large-deformation flexible skin design, main bearing structure design, distributed pressure-driven multi-airbag system design and control system design. According to the design scheme of the honeycomb filling flexible skin, the pneumatic pressure of the air inlet channel can be effectively borne, large out-of-plane deformation can be achieved, and the honeycomb filling flexible skin is an important composition structural part for achieving the self-adaptive bulging function; deformation of the bump molded surface is achieved through inflation and deflation of the air bag, the driving form is simple, the response speed is high, and the occupied size of the driving system is small; the multi-air-bag driving mode plays a good distributed driving role, the molded surface can be directly and effectively driven to deform under the effect of incoming flow loads, and therefore high-precision control over the molded surface of the bulge air inlet channel can be achieved.

The invention relates to a core mold component of a superimposed shear wall mold shell, a prefabricated concrete mold shell and a manufacturing method, and relates to the technical field of fabricated concrete construction. The core mold component of the laminated shear wall mold shell comprises a first core mold assembly and a second core mold assembly; the first core mold assembly comprises a first side plate, a first arc-shaped end plate and a second side plate which are connected in sequence; the second core mold assembly comprises a third side plate, a second arc-shaped end plate and a fourth side plate which are connected in sequence; snap fastener structures capable of clamping the first core mold assembly and the second core mold assembly together are arranged at the end parts of the first core mold assembly and the second core mold assembly; the third side plate and the fourth side plate are further provided with a first force holding rod enabling the third side plate and the fourth side plate to draw close and deform. The invention further discloses a prefabricated concrete formwork manufactured through the core formwork component and a manufacturing method of the prefabricated concrete formwork. The prefabricated concrete formwork is convenient to manufacture, high in efficiency and stable and reliable to use.

The invention relates to the technical field of coal mine construction, and discloses a protection device for coal seam extraction, which is characterized in that the protection device is arranged on the inner side of the bending part of the L-shaped pipe, and the filtering part comprises a gear ring rotationally connected in the L-shaped pipe and a filter screen fixedly connected to the inner ring of the gear ring and used for intercepting solid particles; the stirring rods are fixedly connected to the outer ring surface of the gear ring at equal intervals and face the incoming flow direction of fluid. Through the arrangement of the L-shaped pipe and the scraping plates, when fluid is input, the flow speed of the fluid is effectively reduced, meanwhile, guiding flowing of the fluid is provided, a better sedimentation environment is provided for the fluid, gas density is low, and gas floats upwards, meanwhile, when the filter screen rotates, the low-position scraping plate generates a scraping effect on the filter screen, and the high-position scraping plate generates effective deformation on the filter screen; and the particles attached in the holes can further fall off, and the fallen particles always fall to an upstream large-particle-size area, so that the degree of abrasion of coarse coal to a subsequent conveying pump body is reduced while effective separation is realized.

The utility model discloses a reinforced well cementation casing centralizer tool, the main body structure adopts the seamless steel pipe of spring steel, after cutting, the integral main body structure of further processing is formed after the integral processing, the upper sleeve and the lower sleeve of accommodating and sleeving in casing are located in the upper and lower both ends, and the multiple centralizing ribs of longitudinal arrangement between the upper sleeve and the lower sleeve and in the middle part, multiple centralizing ribs are arranged on the outer peripheral surface of upper sleeve and lower sleeve along the circumferential direction of upper sleeve and lower sleeve and are integrally formed connection with upper sleeve and lower sleeve, and the centralizing rib is outwardly inclined from the upper and lower both ends to the axis of casing, and a stress groove is arranged in the middle position of each centralizing rib to increase the reset force after deformation, and the fluid flow channel is formed between the adjacent two centralizing ribs, and the brush is fixed on the outside of upper sleeve and lower sleeve, and the brush is in contact with the well wall to destroy and remove the well wall mud cake. The application can ensure that the casing can smoothly enter the well, and improve the well cementation quality.

The invention relates to the technical field of agricultural instruments, in particular to a full-automatic agricultural planting organic fertilizer blending device. The device comprises a supporting base, a water storage tank, a blending barrel and an air inlet device are sequentially mounted on the upper side wall of the supporting base from left to right, a mounting sleeve is mounted on the outer side wall of the blending barrel, and an elastic storage bag is fixedly connected to the upper side wall of the mounting sleeve; a first electric push rod is installed on the lower inner wall of the supporting base, the output end of the first electric push rod is fixedly connected with a supporting chassis, three sets of rotating bases are fixedly connected to the inner side wall of the blending barrel, a second electric push rod is rotationally connected into each set of rotating bases, and the output end of each second electric push rod is fixedly connected with a side tray; according to the organic fertilizer mixing device, the arrangement of the supporting chassis and the side tray can effectively drive the elastic storage bag to deform, so that organic fertilizer in the elastic storage bag can be driven to be fully rolled and mixed, and the mixing effect and the fermentation effect of the organic fertilizer are effectively improved.

The utility model provides working medium cascade circulation equipment for CO2 refrigerant, and relates to the technical field of compressors. The working medium cascade circulation equipment of the CO2 refrigerant comprises a compressor body, the bottom face of the compressor body is fixedly connected with a supporting bottom plate, a switching mechanism is arranged below the compressor body and comprises a fixing box, and the inner bottom wall of the fixing box is fixedly connected with a fixing block. According to the working medium cascade circulation equipment for the CO2 refrigerant, the fixed box, the fixed block, the rotating disc, the swing rod, the first bevel gear, the second bevel gear, the telescopic rod, the fan blades, the rotating rod, the hydraulic rod and the spring are arranged in a matched mode; therefore, the fan blades can rotate to dissipate heat of the compressor body while vibration driven when the compressor body works can be effectively utilized to weaken the compressor body; and the problems of machine abrasion caused by strenuous vibration and incapability of dissipating a large amount of heat and shortened service life caused by equipment failure are avoided.

The utility model provides a furniture plate connector for customized furniture, which comprises a left mounting seat plate and a right mounting seat plate which are symmetrically arranged, a contact plate is integrally formed between the left mounting seat plate and the right mounting seat plate, a mounting cavity is formed between the contact plate and the two mounting seat plates, a deformation plate is arranged on the surface of the front side of each mounting seat plate, and the deformation plates are arranged on the surfaces of the front sides of the mounting seat plates. A mounting strip is arranged above the two mounting seat plates, a locking plate is integrally formed at the lower end of the mounting strip, the locking plate is inserted between the two mounting seat plates, and the locking plate is clamped with the deformation plate. Compared with the prior art, the utility model has the following beneficial effects: the mounting seat plate and the contact plate are arranged in the plate, the mounting strip is fixed on the other plate, and the mounting seat plate and the contact plate are connected through the locking part, so that quick mounting can be realized, the connecting effect is good, the length of the locking part is smaller than that of the mounting cavity, and a certain margin is reserved between the locking part and the mounting cavity; therefore, the upper plate and the lower plate do not need to be particularly accurate during trepanning.

The invention discloses a sealing element used in a CO2 drive packer and the CO2 drive packer, the sealing element is prepared by pouring TiNi shape memory alloy, and the TiNi shape memory alloy comprises the following components in percentage by mass: 45% of Ti, 54.5%-52.5% of Ni and 0.5%-2.5% of Ca. The Ti alloy has the characteristic of high corrosion resistance, so that the sealing performance can be maintained for a long time under the working conditions of high temperature and high CO2 partial pressure. The sealing element prepared by pouring the TiNi shape memory alloy can meet the operation working condition during underground CO2 flooding operation, and meanwhile, the shape memory alloy has the superelasticity and the shape memory effect, so that under the action of external force, the shape memory alloy has the deformation recovery capacity much larger than that of common metal, and the sealing element has the good sealing effect. In other words, large strain generated in the loading process can be recovered along with unloading, and the packer and the tubular column can be recovered successfully.

This utility model discloses a moisture-proof tank for dry-mixed mortar, including a storage tank, a spiral feeding mechanism installed above the storage tank, a spiral discharging mechanism installed below the storage tank with the same structure as the spiral feeding mechanism, a heat dissipation pipe installed inside the storage tank with both ends passing through the outside of the storage tank, and an air supply mechanism located outside the storage tank and connected to the heat dissipation pipe. The heat dissipation pipe is C-shaped, and an elliptical cavity is provided at the central part of the heat dissipation pipe inside the storage tank. A mesh cover is installed at the upper end of the heat dissipation pipe, and the lower end of the heat dissipation pipe is connected to the air supply mechanism. The C-shaped elliptical heat dissipation pipe actively prevents moisture generation, while the sophisticated mechanical compression and elastic sealing ring structure passively isolate external moisture. At the same time, the overall structural design is reasonable, taking into account both production efficiency and ease of maintenance.

The invention discloses a three-gradient microstructure flexible pressure sensor and a preparation method and application thereof, and aims to provide a sensor which is clear in structural design and can realize wide linear range, high sensitivity and high stability, a preparation method of the sensor, and application of the sensor in micro-pressure signal detection and plant physiological monitoring. The sensor comprises a sensing layer, an electrode layer and a hollow supporting layer, the sensing layer comprises an elastomer substrate with a three-gradient microstructure and a conductive film layer covering the surface of the three-gradient microstructure; the elastomer substrate is prepared by the following steps: spin-coating a flexible precursor solution on the surface of a mold, carrying out vacuum defoaming, heating and curing, and stripping to obtain the elastomer substrate with a three-gradient convex structure; the flexible precursor solution is composed of a polydimethylsiloxane solution and a single-layer MXene dispersion liquid; and the mass content of the MXene in the elastomer solid matrix is 2.5%-8%. The sensor is excellent in comprehensive sensing performance and has high stability and reliability.

The utility model belongs to the technical field of medicine manufacturing, and particularly relates to an auxiliary device for monitoring temperature change in a product sterilization process. The auxiliary device comprises a main cylinder, an observation cover and an end cover, the main cylinder is made of a corrosion-resistant metal material, a sealing body used for inserting a temperature detection probe in a sealing mode is arranged on the end cover, and the end cover and the observation cover with the perspective performance are arranged at the two ends of the main cylinder in a sealing mode respectively. According to the technical scheme, the main cylinder can be heated and cooled together with a product, and a stable temperature field is provided for a temperature sensor for monitoring the temperature of the product in the whole sterilization process. The main cylinder can provide a stable temperature field and can be used repeatedly. Therefore, the problems of non-uniform temperature distribution and poor stability of the reference bottle / reference bag in application are solved, the situation of leakage caused by damage is avoided, and the auxiliary device can be used for sterilizing products with different volumes and has relatively good flexibility and applicability.