46 results about "Penetration process" patented technology

The invention discloses a high-bearing-capacity offshore wind power pile foundation structure and a construction method thereof. The high-bearing-capacity offshore wind power pile foundation structure comprises a suction bucket, a vertical rod installed in an inner cavity of the suction bucket and coaxially fixed to the suction bucket, a stabilizing assembly dividing the inner space of the suction bucket into a plurality of independent cavities and a leveling assembly. By arranging the stabilizing assembly and the leveling assembly, the suction bucket is divided into a plurality of independent cavities through the stabilizing assembly, differential pressure leveling is conducted in a multi-cavity independent water pumping mode in the stage of preliminary contact with the seabed, the perpendicularity of the suction bucket in contact with the seabed is guaranteed, and in the stage of downward insertion of the bucket body part, a high-pressure nozzle is started again to conduct secondary posture fine adjustment; according to the dynamic deviation correcting device, the dynamic deviation correcting capacity is achieved in different time periods in the penetration process, the dynamic deviation correcting device can adapt to uneven local hardness of a seabed or slight drifting of the posture of a barrel body in the downward insertion process, inclined insertion and penetration failure caused by posture unbalance of the suction barrel are avoided, and the vertical bearing performance and the anti-overturning stability of a pile foundation are further enhanced.

The invention discloses a hypergravity field penetration simulation test device, which comprises an air cannon, a launching bullet, a support mechanism, a penetration test mechanism and an acceleration mechanism, and is characterized in that the launching bullet is arranged in the air cannon, the air cannon is arranged in the support mechanism, the bottom of the support mechanism is connected with the top of the penetration test mechanism, and the acceleration mechanism is arranged in the support mechanism; high-pressure gas is filled into the air cannon to push the launching bomb to realize launching; the acceleration mechanism comprises a centrifugal machine and a hanging basket, and the acceleration mechanism provides a super-gravity field environment for the penetration simulation test through rapid rotation; the launching bomb intrudes into the test device to simulate the penetration process. According to the hypergravity field penetration simulation test device provided by the invention, the hypergravity field is applied to the test model through the centrifugal machine, and the test model and a prototype are similar in power, motion and energy, so that a more real penetration process is simulated, various parameters can be conveniently changed, multiple repeated tests can be carried out, and the test efficiency is improved. The test efficiency and the refinement degree are greatly improved, the cost is remarkably reduced, and damage is reduced.

The invention provides a penetration test method and system, and the method comprises the steps: obtaining an information updating event, judging the type of the information updating event: when the information updating event is an inherent information updating event, selecting and executing a corresponding inherent test task according to the updating content of the inherent information updating event, after the inherent test task is completed, updating the corresponding asset business information, and issuing a business information updating event; when the information updating event is a business information updating event, selecting and executing a corresponding business test task according to the updating content of the business information updating event, and entering a post penetration process after the business test task is completed; and after entering the post-penetration process, performing a post-penetration test on the corresponding electronic equipment. According to the test method and the test system for the penetration test, the efficiency and the safety of the penetration test can be improved.

The invention discloses an intelligent monitoring method for a pile foundation penetration process, and relates to the technical field of foundation pile foundations. In order to solve the problems that in the prior art, large errors and randomness exist in precast pile penetration monitoring, and large potential threats are likely to be caused to use of a pile body in the later period, the following technical scheme is provided: the method comprises the following steps of S1, pile body preparation, S2, equipment preparation, S3, machine in-place, S4, equipment testing, S5, monitoring data acquisition, S6, data analysis and S7, penetration calculation. S8, pile splicing in place and welding detection are conducted, S9, detection feedback and adjustment are conducted, and S10, single-pile penetration is completed. According to the method for intelligently monitoring penetration of the precast piles, real-time monitoring and feedback of the penetration depth, the penetration state and the penetration perpendicularity of the precast piles in the penetration process can be effectively guaranteed, and the butt-joint integrity and the butt-joint time of the two sections of precast piles in the pile splicing stage can be monitored at the same time.

The invention discloses an intelligent detection device and method for detecting the impermeability of high-performance concrete, and relates to the technical field of impermeability detection of high-performance concrete. According to the intelligent detection device and method for detecting the impermeability of the high-performance concrete, through mutual cooperation of 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 be in intermittent contact with different positions of the top surfaces of a plurality of high-performance concrete test blocks at the same time; the impermeability detection mechanism is used for performing humidity detection on multiple points of the top surface of the high-performance concrete test block, and the impermeability of the high-performance concrete test block is evaluated through comprehensive detection of the multiple points, so that accidental errors of single-point detection are avoided, and humidity change characteristics of different areas of the top surface of the test block in the permeation process can be dynamically captured; the comprehensiveness of anti-permeability performance evaluation is improved, so that the anti-permeability performance detection result is more accurate and reliable.

The application discloses a high-thick-brick city wall surface layer weathering prevention method and belongs to the field of historical building protection. The weathering prevention method controls the chemical reaction of a hydrophobic material, reduces the mass of hydrophobic substances generated by the chemical reaction in the penetration process, avoids the influence of the penetration process of weak hydrophobic substances on the penetration coefficient of the city wall surface layer bricks, prolongs the penetration time of the hydrophobic material, improves the penetration depth of the hydrophobic material in the city wall surface layer, weakens the dry shrinkage reciprocating change, realizes the deformation and stress coordination of the waterproof layer of the city wall surface layer and the internal wall body, avoids the stress concentration phenomenon of the waterproof layer shell, further achieves the purpose of preventing the weathering effect of external rain and snow immersion into the city wall surface layer and limiting the salt accumulation caused by the evaporation of the water in the city wall, realizes the purpose of deeper penetration of the hydrophobic material into the city wall, and solves the weathering diseases of the high-thick-brick city wall.

An experimental device and method for exploring the friction characteristics between metals and particles, belonging to the technical field of experimental equipment. The present invention solves the problem in the prior art of lacking the research on the friction coefficient and friction characteristics between the target and the projectile. The sample groove is fixedly installed on the support bracket, the fixed pulley assembly is installed on the frame, the counterweight and the support bracket are respectively hoisted on both sides of the fixed pulley assembly through the connecting rope, and the up and down movement of the support bracket along the frame is realized through the counterweight, the connecting rope and the fixed pulley assembly. A tension sensor is installed on the connecting rope between the support bracket and the fixed pulley assembly. The motor is fixedly installed on the upper part of the frame. The top end of the friction disc is coaxially fixedly installed with an input shaft. The output shaft, the connecting shaft and the input shaft of the motor are coaxially fixedly connected in sequence from top to bottom, and a torque sensor is installed on the connecting shaft. The friction disc is circumferentially rotatably installed on the frame and is arranged directly above the sample groove, and a temperature sensor is installed at the lower part of the friction disc.

The present invention provides a method for constructing a self-sharpening penetration physics model. The method first models the target plate and obtains its material parameters. Next, the governing equations for target plate penetration are established. The projectile is then modeled and the governing equations for projectile erosion are established. The projectile-target interaction is then described, and the momentum equation for the projectile tail and the penetration pressure equation for the projectile head are established. Finally, the governing equations for projectile erosion, the momentum equation for the projectile tail, and the penetration pressure equation for the projectile head are combined to obtain a self-sharpening penetration physics model. The present invention is well-conceived and can be widely applied to various new self-sharpening armor-piercing materials, efficiently and accurately describing the penetration process.

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.

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.

The invention relates to the technical field of glass processing, in particular to energy-saving glass processing equipment and a processing method thereof. The method has the beneficial effects that the energy consumption in the permeation process can be reduced while the permeation efficiency of a molten material is improved. Energy-saving glass processing equipment comprises a box body, connecting blocks are fixedly connected to the front side and the rear side of the interior of the box body, a vacuum device is fixedly connected between the two connecting blocks, rotating blocks are rotatably connected to the two connecting blocks, rotating arms are slidably connected to the rotating blocks, and a centrifugal part is rotatably connected between the two rotating arms; the upper side of the centrifugal part is detachably and fixedly connected with a material injection part, the material injection part is slidably connected to the feeding frame, the centrifugal part comprises a bottom block, the bottom block is detachably and fixedly connected to a vacuum device, a top block is placed on the upper side of the bottom block, clamping blocks are arranged at the four corners of the top block, the four clamping blocks are rotatably connected to the bottom block, and the upper side of the top block is slidably connected with a heating cover plate. A hole plate is fixedly connected to the upper side of the interior of the ejector block, and a plurality of through holes are evenly formed in the hole plate.

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.

The present invention provides a device for simulating the penetration of a suction bucket foundation in a centrifugal model test, comprising a model box, a suction bucket model disposed therein, the suction bucket model comprising a suction bucket and a connecting rod, a penetration device disposed on the top of the model box, the top end of the connecting rod being movably connected to the penetration device; the suction bucket being connected to a vacuum system, soil being disposed at the bottom of the suction bucket, and water being disposed at the top of the soil; the penetration device comprising a limiting groove located outside the model box, a driving rod being disposed within the limiting groove, the driving rod being connected to an electromagnetic adsorption device located within the model box after passing through the top of the model box, a guide cover being connected below the electromagnetic adsorption device, and the top end of the connecting rod being located within the guide cover. By providing the penetration device, displacement deviations during the penetration process can be dynamically corrected, enabling the device of the present invention to continuously perform tests in a centrifugal state.

The invention discloses a penetration method and system based on feedback perception of a tunnel boring machine and a storage medium. The method comprises the steps of model construction, specifically, a discrete element simulation model capable of being used for describing the interaction process of a penetration probe and karst surrounding rock is constructed; simulation and calculation are carried out, step-by-step loading simulation is carried out based on a discrete element method, a penetration probe continuously acts on the surrounding rock model containing the filling karst cave structure, data of the penetration process are recorded, related energy sub-items are calculated, and a risk index is calculated in combination with a fracture index; and optimization control: performing feedback control according to the risk index. The system comprises a construction unit, a penetration simulation unit, a calculation unit and a control optimization unit. A computer program is stored in the storage medium, and the steps of the penetration method are achieved when the program is executed by a processor. According to the invention, the crack evolution and energy release process when the shield cutter penetrates into the filling karst cave area can be simulated. The method can be widely applied to the technical field of tunnel engineering.

The invention belongs to the field of offshore wind turbine bucket foundations, and provides a sinking construction system and method for a bucket foundation, and the system comprises a monitoring system, a vacuum pump system, a hydraulic system, a leveling system and a vacuum pump suction system; multi-system cooperative intelligent work is achieved, and the barrel-shaped foundation hoisting work efficiency is improved; the method plays an important role in the barrel-shaped foundation penetration stage, especially the suction penetration stage, the reasonable and correct posture of a barrel body of the barrel-shaped foundation in the penetration process is ensured through real-time monitoring and dynamic leveling, and the problem of control over the sinking construction posture of the barrel-shaped foundation is solved; after penetration installation of the barrel-shaped foundation is completed, automatic separation and rapid recovery of the installation device are achieved, and the installation construction efficiency of the barrel-shaped foundation is greatly improved.

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

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.

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.

The utility model provides a visual spherical penetrometer and a visual spherical penetrometer system for measuring in-situ strength parameters of ocean soil. An upper hemisphere and a lower hemisphere are detachably and fixedly connected; a hole is formed in the top of the upper hemisphere, the end part of the high-definition micro camera is fixed at the hole in the top, and the high-definition micro camera is vertically arranged upwards to capture the flow direction of a soil body of the spherical penetrometer and to capture whether the soil body is in contact with the connecting rod or not; a certain gap is reserved between the bottom of the friction sleeve and the upper hemisphere, the gap is wrapped by a flexible soft film, the bottom of the force sensor is connected with the upper hemisphere, the top of the force sensor is connected with a dowel bar, and the dowel bar is located in the friction sleeve; a waterproof high-definition camera is installed in the spherical penetrometer to capture the flowing condition of the soil body in the penetration process, the critical depth strongly related to the evaluation method is accurately obtained, reduction of the engineering amount and the engineering cost are facilitated, and the spherical penetrometer has high engineering implementability.

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.

The invention provides a method for constructing a penetration physical model considering self-sharpening, which comprises the following steps of: firstly, modeling a target plate to obtain material parameters of the target plate; secondly, establishing a control equation that the target plate is penetrated; modeling the projectile, and establishing a control equation that the projectile is eroded; thirdly, the projectile-target interaction is described, and a momentum equation of the projectile tail and a penetration pressure equation of the projectile head are established; and finally, combining the control equation that the projectile is eroded, the momentum equation of the tail part of the projectile and the penetration pressure equation of the head part of the projectile to obtain a self-sharpening-considered penetration physical model. The method is reasonable in conception, can be widely applied to various novel self-sharpening armor penetrating materials, and can efficiently and accurately describe the penetration process.

The present invention belongs to the field of bucket foundations for offshore wind turbines, and provides a sinking construction system and a construction method for a bucket foundation. The system includes a monitoring system, a vacuum pump system, a hydraulic system, a leveling system, and a vacuum pump suction system. The multi-system collaborative intelligent operation of the present invention improves the hoisting work efficiency of the bucket foundation. The present invention plays an important role in the penetration of the bucket foundation, especially in the suction penetration stage. Through real-time monitoring and dynamic leveling, it ensures the reasonable and correct attitude of the bucket body during the penetration process of the bucket foundation, and solves the problem of attitude control during the sinking construction of the bucket foundation. After the bucket foundation is penetrated and installed, the present invention realizes automatic separation and rapid recovery of the installation device, greatly improving the installation construction efficiency of the bucket foundation.

The utility model discloses a screw mounting mould, which relates to the technical field of door and window assembling tools, solves the problem that an aluminum-coated plastic window is difficult to assemble by adopting a process of mounting and fastening sash outer aluminum from an opening in a hidden manner, and comprises a mould main body, a sash frame plastic section bar and the sash frame outer aluminum which are connected through a plurality of screws, and the mould main body is matched with the sash frame plastic section bar. The mold body is used for achieving assembly of a plurality of screws, at least one limiting through hole is formed in the mold body, and when the screws are assembled through the mold body, any limiting through hole is coaxial with one assembly hole of a sash stile plastic profile and communicates with one screw groove of sash stile outer aluminum. Through the screw mounting die, the penetration of the screw is limited, and in the penetration process of the screw, the mounting direction of the screw is limited by the inner wall of the limiting through hole, so that collision between the screw and a plurality of layers of partition plates is effectively avoided, and the assembly efficiency of the screw is improved.

A high-speed electric spark small hole machining penetration detection method based on sound signals comprises the steps that the sound signals in the high-speed electric spark small hole machining process are collected, noise reduction and filtering are conducted, and then the penetration occurrence effective rate is calculated through sliding counting; and multi-source data fusion is carried out according to the penetration occurrence effective value sequence, the machining position and the voltage signal, the starting time point and the ending time point of the penetration process are comprehensively judged, a machining stop instruction and an electrode rollback movement instruction are generated, and penetration detection and hole site machining are achieved. According to the method, the sound signals generated in the high-speed electric spark small hole machining process are collected and processed in real time, the occurrence moment of penetration is judged based on the change of the characteristics of the sound signals before and after penetration, comprehensive judgment is conducted in combination with a multi-source data fusion method, and therefore penetration detection is achieved; the problem that an original method is poor in reliability and redundancy is solved.

The present invention relates to the field of electrolytic polishing, and specifically to an electrolytic polishing device for the inner wall of a stainless steel pipe and a processing method thereof, comprising an electrolytic cell, wherein a partition is installed on the inner wall of the electrolytic cell. The present invention allows the residue inside the stainless steel pipe to be discharged in time by inserting an electrolytic rod into the interior of the stainless steel pipe and cooperating with a threaded groove, and further cleans and collects the residue through a rubber sleeve and a filter bucket during the insertion process, and finally during the fixing process of the stainless steel pipe, the fixing of the stainless steel pipe itself can be completed by downward pressure, and the stainless steel pipe can also be pressed down as a whole to immerse it in the electrolyte, reducing the cumbersomeness of the operation when the stainless steel pipe is immersed in the electrolyte, and this structure can solve the problem that the inner wall of the stainless steel pipe is difficult to electrolytically polish, the residue generated during polishing is difficult to clean and collect, affecting the polishing effect, and the problem that the immersion process of the stainless steel pipe and the electrolyte is relatively cumbersome and complicated.

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.

The present invention discloses a method and system for predicting the penetration resistance of a suction-type barrel foundation in sand, which belongs to the field of offshore wind power suction-type barrel foundation soil sinking construction. The method and system include: based on a suction-type barrel foundation in sand, by evaluating drainage conditions, clarifying the penetration characteristics of the suction-type barrel foundation, obtaining the outer friction resistance, inner friction resistance and end bearing capacity of the suction-type barrel foundation, and predicting the drainage penetration resistance of the suction-type barrel foundation. The present invention is based on the limit equilibrium theory, takes into account the enhancement of the effective stress of the barrel end soil caused by side wall friction, and is more accurate in predicting the deadweight penetration depth; at the same time, it takes into account the seepage characteristics caused by sand drainage during the barrel foundation sinking process, takes into account the reduction of the effective stress of the soil inside and at the barrel end due to seepage, and the increase of the effective stress of the soil outside the barrel. The force analysis conforms to the actual situation of the barrel foundation, and the prediction of the penetration resistance during the suction penetration process is closer to the actual situation.

The present invention discloses a rectangular steel tube rotary guide reinforcing bar piercing system and method in the technical field of prefabricated building, comprising a guiding mechanism with the same number as the number of perforation groups; a feeding mechanism, a rotating mechanism is arranged on the right side of the feeding mechanism, and a steel bar is clamped transversely in the rotating mechanism; the guiding mechanism is used to guide the depth of subsequent steel bar insertion, the guiding cylinder is used to limit the radial movement path of the steel bar in the rectangular steel tube, the feeding mechanism is used to assist the steel bar to be inserted into the perforation on the right side of the rectangular steel tube, the rotating mechanism is used to drive the steel bar to feed, and rotate the steel bar when a jam occurs during the steel bar insertion process; the present invention guides and limits the path and depth of the entire steel bar insertion process through the feeding mechanism, the guiding cylinder and the guiding mechanism, and at the same time uses the rotating mechanism to release the jam when the steel bar is jammed, so that the steel bar insertion process is more accurate and efficient, thereby effectively improving the steel bar insertion work of the rectangular steel tube.

A fixture and test method suitable for analytical research on penetration process of composite materials, belonging to the technical field of composite material test equipment. The upper and lower fixed sliders are respectively slidably connected to the groove of the clamping end support, and the upper and lower fixed sliders are fixedly connected to the rear side wall of the groove to clamp and fix the test piece; the rear side wall of the groove is provided with an incident notch, the penetration rod slide is fixed in the penetration rod support, the penetration rod and the penetration rod slide are slidably matched, and the center of the penetration area of ​​the test piece is collinear with the penetration rod and the center of the incident rod; two laser velocimeters are respectively arranged on the outside between the penetration rod support and the clamping end support and on the outside between the incident rod and the penetration rod support; high-speed cameras one and two are respectively aimed at the side of the test piece and the impact section area of ​​the penetration rod, and high-speed cameras three and four are arranged in the back direction of the penetration direction of the test piece; the high-frequency laser displacement meter is aimed at the back of the penetration area of ​​the test piece; the infrared thermal imager is arranged in the side direction of the test piece. The present invention is used for analytical research on penetration process of composite materials.

This invention provides a controllable-depth penetration device and method. The device includes: a deep-burying module, an explosive installation module, a gas compression module, a depth detection module, and a management module. After the management module obtains the final explosion depth scale, it controls the deep-burying module to limit its movement at the final explosion depth scale, disconnects the explosive installation module from the deep-burying module, and controls the gas compression module to drive the explosive installation module to move to the final explosion depth scale inside the deep-burying module. The explosive installation module then detonates at the final explosion depth scale. This method of penetrating first and then controlling the explosive depth provides adjustable explosion depth, increasing the feasibility of achieving the optimal explosion effect. Furthermore, the management module records acceleration data during the penetration process, providing practical data reference for obtaining the optimal depth and improving the reliability of the explosion effect.