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15 results about "Penetration process" patented technology

Anti-deformation mounting clamp for frame of photovoltaic module

The invention relates to the technical field of photovoltaic modules, and discloses a photovoltaic module frame anti-deformation mounting clamp which comprises a bearing seat, the bottom of the bearing seat is fixedly connected with a first fixing plate, and two bolts penetrate through the first fixing plate. When a fixing mechanism, specifically a fixing device, is arranged, firstly, a bolt penetrates through a first fixing plate and a second fixing plate, in the penetrating process, the inner wall of a bolt hole of the first fixing plate extrudes a limiting block in a first mounting groove in the outer wall of the bolt, and the limiting block compresses a spring piece and shrinks into the first mounting groove; a first mounting groove is aligned with a first limiting groove, a spring piece releases elastic potential energy to push a limiting block to be embedded into the first limiting groove, circumferential limiting of a bolt is formed, threaded fastening force of a nut is matched, a first fixing plate and a second fixing plate are tightly attached to the color steel tile, and through elastic embedding of the spring piece and the limiting block, bolt loosening caused by vibration is effectively resisted; and connection failure of the bearing seat and the color steel tile mounting base surface caused by bolt looseness is avoided.
Owner:中国电建集团贵州工程有限公司

Design method of energetic composite protective structure and protective structure

The application provides a design method of an energetic composite protective structure and the protective structure, and the design method comprises the following steps: determining a jet penetration velocity change rate u according to a jet penetration mechanism; determining a reaction sensitivity g of a reaction material according to a reaction mechanism of the anti-penetration performance of the reaction material; determining a protection efficiency of the reaction material by judging the relative size of the velocity change rate u in the penetration process and the reaction sensitivity g of the reaction material; and designing the protective structure according to the protection efficiency of the reaction material. The protective structure comprises a protective layer shell, a reaction material shell and a reaction material layer arranged in sequence; and the reaction material layer is designed in a modular manner. The application has the advantages that: the violent chemical reaction of the reaction material under strong impact can be fully utilized to interfere with the penetration of the shaped jet, and the protection efficiency of the reaction material on the shaped jet is further improved by improving the reaction material formula, adding a reaction material constraint shell and other means.
Owner:CHINESE PEOPLES LIBERATION ARMY KET FORCE ENG DESIGN INST

A device and method for measuring three-dimensional deformation field of a projectile body in a penetration process

The application discloses a kind of three-dimensional deformation field measuring device and measuring method of projectile body in penetration process, it is related to projectile body penetration test technical field, its technical solution key points are: including: light gas gun, for launching solid projectile;Special target store, its lateral wall is equipped with observation window, inside is equipped with target plate and the projectile to be measured fixed on target plate;Three-dimensional digital image acquisition equipment, symmetrically arranged outside observation window, including two high-speed cameras of synchronous trigger, matching lens, high-brightness light source and synchronous trigger;Magnetic speed measuring instrument, set in the tail of the barrel of light gas gun;Data processing equipment is used to receive the image sequence collected by three-dimensional digital image acquisition equipment, based on calibration parameter calculation the three-dimensional displacement field of the surface of the projectile to be measured, full-field strain field and velocity field, visual output deformation evolution process.The application can realize the non-contact, high space-time resolution measurement of three-dimensional dynamic deformation field of projectile body itself in the transient process of projectile body penetrating target plate.
Owner:BEIJING INST OF TECH

Test apparatus and test method for confirming soil improvement effect

To save the labor of measuring work by eliminating the replacement of equipment.SOLUTION: In this testing device 1 for confirming the soil improvement effect, a measuring probe 3 is installed on the tip of a penetration rod 2. In the measurement probe 3, a tip cone 4 used for a dynamic cone penetration test is provided at a tip, an electrode portion 5 including an electrode 6 used for electric logging on an outer peripheral surface is provided above the tip cone 4, an outer diameter of the electrode portion 5 is formed to be smaller than an outer diameter of the tip cone 4, an axial center of the tip cone 4 and an axial center of the electrode portion 5 are eccentric, and the electrode 6 is disposed on the outer peripheral surface on an eccentric side. Since the axial centers of the tip cone 4 and the electrode part 5 are made eccentric and the electrode 6 is arranged on the outer peripheral surface on the eccentric side, the electrode 6 is surely brought into contact with the hole wall surface in the penetration process of the measuring probe 3, and electric logging can be performed.SELECTED DRAWING: Figure 1
Owner:TODA CORP +2

Portable penetrometer support for concrete strength detection

The utility model relates to the technical field of detectors, and discloses a portable penetrometer support for concrete strength detection, which comprises a fixing plate, a telescopic mechanism is arranged at the bottom of the fixing plate, a sliding mechanism is arranged in the middle of the fixing plate, a rubber handle is fixedly connected to the front side of the fixing plate, and the rubber handle is fixedly connected to the rear side of the fixing plate. A hammer head is fixedly connected to the top of the rubber handle, the telescopic mechanism comprises nuts, threads on the outer walls of the multiple nuts are connected to the four corners of the bottom of the fixing plate, and sleeves are connected to the outer walls of the multiple nuts in a threaded mode. Preliminary height adjustment is achieved through threaded fit of a nut and a sleeve in the telescopic mechanism, telescopic positioning of the multi-stage telescopic legs of the telescopic assembly is achieved through cooperation of spring buckles and fixing holes, the contact area is increased through cooperation of the multi-stage telescopic legs and the supporting claws, the stability of the support on the rugged surface is improved, and it is ensured that the penetration process is stable.
Owner:CENTURY DONGHUA ARCHITECTURAL PLANNING & DESIGN CO LTD

Tunneling method, system and storage medium based on tunnel boring machine feedback perception

The application discloses a kind of based on tunnel boring machine feedback sensing's penetration method, system and storage medium, the method comprises: model construction, the discrete element simulation model that can be used to describe the interaction process of penetration probe and karst surrounding rock is constructed;Simulation and calculation, based on discrete element method, gradually loading simulation is carried out, penetration probe continuously acts on the surrounding rock model containing filling cave structure, the data of penetration process are recorded and the related energy subentry is calculated, and the risk index is calculated in combination with fracture index;Optimization control, feedback control is carried out according to risk index.The system comprises: construction unit, penetration simulation unit, calculation unit and control optimization unit.A kind of storage medium, computer program is stored, program is executed when processor realizes the steps of penetration method as described above.The application can simulate the fracture evolution and energy release process when shield cutter penetrates filling cave area.The application can be widely applied in the technical field of tunnel engineering.
Owner:SUN YAT SEN UNIV

Steel pipe pulling and storing device

The application provides a steel pipe traction storage device, and relates to the technical field of drilling equipment. The steel pipe storage module is used for storing a flexible steel pipe. The first steel pipe port of the power module is opposite to the storage port of the steel pipe storage module, and is used for providing power for the flexible steel pipe to penetrate into a target object. The target object includes a stratum. The power source for driving the flexible steel pipe to penetrate is arranged in front in the embodiment of the application. Therefore, unnecessary stress links of the flexible steel pipe in the penetration process can be reduced, the loss of the penetration power can be reduced, and the flexible steel pipe can be prevented from being broken.
Owner:ZHUHAI SAILAI TECHNOLOGY CO LTD

Intelligent detection device and method for detecting impermeability of high-performance concrete

The application discloses an intelligent detection device and method for detecting the impermeability of high-performance concrete, and relates to the technical field of high-performance concrete impermeability detection. The device and method are characterized by the cooperation between a hydraulic rod, an impermeability detection mechanism, a driving mechanism, a containing seat mechanism and a water supply mechanism. The driving mechanism can drive the impermeability detection mechanism to intermittently contact the top surface of multiple high-performance concrete test blocks at different positions. The impermeability detection mechanism is used to detect the humidity of multiple points on the top surface of the high-performance concrete test blocks. The impermeability of the high-performance concrete test blocks is evaluated through comprehensive detection of multiple points, which can avoid accidental errors caused by single-point detection, dynamically capture the humidity change characteristics of different areas on the top surface of the test blocks during the penetration process, improve the comprehensiveness of the impermeability evaluation, and make the impermeability detection results more accurate and reliable.
Owner:NANTONG DONGHUA BUILDING MATERIALS CO LTD

Concrete strength detection device

ActiveCN224231525UInvestigating material hardnessPenetration forceClassical mechanics
The utility model provides a concrete strength detection device which comprises a shell and a guide sleeve, and the guide sleeve is elastically connected with the shell; a force measuring sensor and a displacement sensor are arranged in the shell at intervals, a probe is arranged in the guide sleeve, the end part, deviating from the shell, of the probe penetrates through the guide sleeve, and the end part, close to the shell, of the probe is connected with the force measuring sensor; the force measuring sensor is configured to detect the penetration force of the probe penetrating into the concrete, and the displacement sensor is configured to detect the compression displacement of the guide sleeve in the probe penetration process; the strength of the concrete is the ratio of the penetration force to the penetration depth of the probe, and the penetration depth is the compression displacement of the guide sleeve. The detection device provided by the utility model is convenient to carry, provides convenient detection conditions for existing concrete strength detection, and is helpful for improving the detection precision at the same time.
Owner:CHINA RAILWAY CONSTR HEAVY IND

Model test device for studying penetration process of towing anchor in soil bed

The utility model belongs to the technical field of ocean engineering, and discloses a model test device for studying the penetration process of a towing anchor in a soil bed, which comprises a test box, one end in the test box is rotatably connected with a wind-up roll, the upper end and the lower end of the side wall of the other end are both fixedly provided with fixing blocks, and a threaded rod is rotatably connected between the two fixing blocks. A lifting block is in threaded connection with the threaded rod, a first fixed pulley is fixed to the lifting block, and a second fixed pulley is fixed to the fixed block at the upper end; the test soil sample is laid at the bottom of the test box; one end of the first rope is fixedly provided with a towing anchor model, the towing anchor model is placed on the test soil sample, the other end of the first rope bypasses the first fixed pulley and the second fixed pulley and is fixed with the tension sensor, the other end of the tension sensor is fixedly provided with a second rope, and the other end of the second rope is wound on the winding roller. Analysis and research are carried out by collecting the angle of the dragged posture of the dragging anchor in the penetration process and the dragging bearing capacity.
Owner:WUHAN UNIV OF TECH

Simulation analysis method and device for safe distance of repeated pile pitching

The invention provides a repeated pile pitching safety distance simulation analysis method and device.The method comprises the steps that after a soil sample is prepared in a test box, a model pile shoe penetrates into a soil layer by the preset penetration depth and then is pulled out, and manufacturing of a plurality of pile pits is completed; setting a plurality of repeated pile pitching center distances to be n times of the diameter of the model pile shoe; sequentially penetrating the model pile shoe into soil layers at different center distances until the penetration depth is consistent with the depth of the pile pit, acquiring an indirect penetration resistance value F1 and a direct penetration resistance value F2 of the model pile shoe at different penetration depths at each center distance in real time in the penetration process, and recording the difference value of F2-F1 as a load difference value, and a relation curve between the center distance and the load difference F2-F1 can be obtained. Based on the relation curve of the center distance and the load difference value, it is determined that when the load difference value does not change along with the center distance basically, it is considered that the safety state is just reached at the moment, and the accuracy of the safety distance simulation result of pile pitching and pile sliding is greatly improved.
Owner:CHINA NAT PETROLEUM CORP +2

Method for perforating thin glass using high-frequency heating

The present invention relates to a technique for forming a via hole having a diameter of approximately 0.1 mm or slightly larger in a thin glass, made of a glass material, such as a thin semiconductor substrate or an interposer, wherein a bar-shaped heating element having an outer diameter that corresponds exactly to the diameter of a via-hole in a thin glass to be processed is heated to a high temperature and then rotated in place to form the via-hole that penetrates from one surface to the other surface of the thin glass. According to the present invention, the outer diameter is formed small in the direction opposite the penetration direction of a high-frequency heating element, thereby preventing the occurrence of cracks during the penetration process.
Owner:HWANG YANG HO

Method for determining limit value of penetration and extrusion failure in pile shoe penetration process

The application relates to the technical field of geotechnical engineering, and discloses a method for determining the limit value of puncture and extrusion damage in the pile shoe penetration process, which obtains the measured resistance data of the pile shoe in the layered soil to construct a measured penetration resistance curve, and constructs corresponding theoretical penetration resistance curves of pure sand and pure clay by using a bearing capacity formula. The limit value is determined based on the characteristics of the measured curve and comparison results: for the sand-on-clay working condition, the vertical distance from the growth inflection point of the measured curve to the interface of the lower stratum is determined as the puncture damage limit value; for the clay-on-sand working condition, the vertical distance from the position where the resistance ratio of the measured curve to the pure clay theoretical curve reaches the extrusion effect control threshold to the interface of the lower stratum is determined as the extrusion damage limit value. Finally, the above limit value is output, and the area where the distance from the bottom surface of the pile shoe to the interface between layers is less than the limit value is defined as a critical risk area. The application realizes quantitative definition of the position where the damage mode of the layered soil occurs.
Owner:TIANJIN UNIV

Design method for hypersonic-speed high-overload-resistant charging structure

The invention relates to a design method for a hypersonic-speed high-overload-resistant charging structure, belongs to the technical field of overload-resistant charging, and solves the problem of insufficient high-overload-resistant capacity of a charging structure in the prior art. The method comprises the steps that S1, a charging structure is of a multi-layer structure and comprises center press-fitting explosives, insensitive casting explosives, a flexible lining layer and a protective rear cushion layer; s2, based on energy equivalent calculation and composite charging interface stability in the penetration process, the mass ratio of energy equivalent calculation to composite charging interface stability is determined; s3, glass bead toughened silicone rubber is selected for the flexible lining layer and used for attenuating stress waves under penetration overload; s4, the protective rear cushion layer is made of a glass bead toughened silicone rubber material, the mechanical property of the protective rear cushion layer is optimized by regulating and controlling the volume fraction of the beads and the crosslinking degree of a matrix, and the protective rear cushion layer is used for buffering emission and rebounding wall collision overload; the thickness of the protective rear cushion layer is determined according to the attenuation effect on the charge stress. According to the invention, the composite multilayer design of the charging structure is realized, so that the high overload resistance of the charging structure is improved.
Owner:BEIJING INST OF TECH