45results about How to "Improve fatigue strength" patented technology

The application discloses a kind of robot friction stir welding force-position hybrid control method, it is related to robot welding control technical field, comprising the following steps: step S10 establishes the hybrid strategy model based on constant displacement control and constant pressure control, the trajectory deviation caused by flexible deformation is compensated by robot dynamic offset function;The constant displacement control monitors welding depth in real time by laser sensor, the laser sensor is installed in 45° oblique direction to the outer wall of motorized spindle, and the collection point is located in the front side of the welding advancing direction, to avoid the interference of flash;The constant pressure control is collected axial upset force by six-dimensional force sensor, and force feedback type impedance control strategy is adopted.The robot friction stir welding force-position hybrid control method compensates the flexible deformation of robot by dynamic offset function, combined with the hybrid strategy of constant displacement and constant pressure control, solves the problem of uneven weld forming under single control mode.

A method for manufacturing high-strength, hydrogen-embrittlement-resistant bolts based on microsphere shot peening, and the bolts themselves, are disclosed. The manufacturing method includes: S1, cold heading and thread rolling of alloy structural steel billets to obtain bolt forming parts; S2, surface cleaning of the bolt forming parts, followed by overall surface peening with microspheres driven by high-pressure air; after overall peening, targeted strengthening peening treatment is performed on stress concentration areas such as thread roots, undercut grooves, and flange transition corners to obtain reinforced bolt parts; S3, the reinforced bolt parts are cleaned, dried, and phosphated to obtain finished bolt parts. This design, through a "overall + targeted" composite microsphere shot peening strategy, introduces a uniform residual compressive stress field and a micron-level fine-grained plastic deformation layer on the bolt surface, forming a thicker strengthening layer in stress concentration areas, significantly improving the fatigue strength and delayed fracture resistance of high-strength bolts, while ensuring uniform surface roughness and stable assembly friction coefficient.

This invention discloses a multi-process synergistic method for strengthening and toughening titanium alloys. The method includes: firstly, pre-treating the titanium alloy surface with sandblasting; then, subjecting the pre-treated titanium alloy to solid embedding carburizing treatment; subsequently, under inert atmosphere protection, sequentially subjecting the carburized titanium alloy to solution treatment, rapid cryogenic treatment, and aging treatment; and finally, shot peening the surface of the heat-treated titanium alloy. This invention solves the problem in existing technologies where a single process is insufficient to synergistically improve the strength and toughness of titanium alloys, achieving a synergistic match between high strength and high hardness on the surface of the titanium alloy material and high toughness in the matrix.

The invention discloses a cavitation shot peening surface strengthening method and system based on cooperation of high hydrostatic pressure and spherical focused ultrasound. The method comprises the following steps: establishing and maintaining a hydrostatic pressure environment higher than 0.1 MPa in a high-pressure processing cavity filled with a degassing liquid medium; the to-be-machined surface of the workpiece is positioned in a sound field focal region of the spherical focused ultrasound transducer; and in the high hydrostatic pressure environment, a transducer is driven to work so as to generate a cavitation bubble group in a space confinement range in a focal region of the transducer, and meanwhile, the workpiece is controlled to move according to a preset path, so that cavitation collapse impact acts on a target region on the surface of the workpiece. The device comprises a high-pressure processing cavity, a spherical focused ultrasonic transducer, a multi-degree-of-freedom movement mechanism and a control system. Through cooperation of high hydrostatic pressure constraint and the spherical focusing sound field, precise localization and energy strengthening of the cavitation effect are achieved, a plastic deformation layer can be efficiently and controllably introduced to the surface of a metal material, the surface hardness can be remarkably improved, a residual compressive stress layer is formed, surface layer grains are refined, and the method is suitable for precise surface strengthening of complex components.

This invention provides a heat treatment method for stainless steel reed wire, relating to the field of reed wire heat treatment technology. The vertical take-up device includes a support frame and a rail; a movable component is mounted on the rail, and a winding structure is fixedly mounted on the top of the movable component; a wire transfer drum is fixedly mounted at the bottom of the vertical shaft, and the reed wire body is spirally wound around the outside of the wire transfer drum; auxiliary structures are provided on both sides of the top of the support frame, and a guide component is fixedly mounted on the outside of the support frame; precise wire guidance is achieved through the upper and lower guide rollers of the guide component, and the wire is clamped and fed by the wire transfer drum and auxiliary rollers, preventing wire deviation, shifting, and tangling from the source; the auxiliary structure can adjust the clamping force on the reed wire body, ensuring constant tension, tight and uniform wire arrangement, and neat coiling during the winding process, facilitating subsequent transportation, straightening, and stamping processing, thus solving the problems of wire deviation and shifting.

The utility model provides a plucked musical instrument with a lattice-shaped structure filled in a musical instrument body, which is used for solving the problem of how to maintain and further improve the acoustic quality of the musical instrument while effectively reducing the weight of the musical instrument in the prior art. A hollow part on a guitar body is filled with a lattice-shaped structure; on the premise of reducing the weight of the guitar body, the plurality of small cavities formed in the lattice-shaped structure enable the guitar body to generate dispersed resonance peak values and mutually compensate frequency responses, so that the excessive protrusion phenomenon of a certain frequency band is reduced, and the acoustic balanced output is enhanced, thereby ensuring the smooth transition of high, medium and low frequencies and the balance of the whole timbre; and the lattice structure can uniformly share vibration and stress in the normal direction and the direction perpendicular to the normal direction, and can also realize multidirectional damping through node internal friction, that is, lattice filling adds internal support while removing part of wood, so that the bending resistance and the pressure resistance of the guitar body are enhanced, and the mechanical distribution of each part of the guitar body is balanced.

The invention relates to a laser heat treatment control method and device based on visual recognition and application. A laser heat treatment strategy is established; the method comprises the following steps: acquiring a three-dimensional point cloud of a workpiece to be subjected to heat treatment, performing mesh segmentation on the point cloud on a reference projection surface to obtain a plurality of point cloud combinations taking a grid as a unit, and collecting associated information of each point cloud combination; performing heat treatment on the to-be-heat-treated workpiece according to a laser heat treatment strategy, obtaining a dynamic feedback signal, adjusting output power, and realizing heat treatment performance consistency and uniformity control; the equipment comprises a base provided with a position transfer unit, a scanning modeling unit and a heat treatment unit are sequentially arranged on the position transfer unit in the translation direction, a control end controls the position transfer unit to translate and obtains data output by the scanning modeling unit, and after the method is adopted, the heat treatment unit is controlled to execute heat treatment operation; the heat treatment application is realized based on equipment. The quenching efficiency is improved, the quenching integrity and comprehensiveness are ensured, and high-quality and repeatable production can be achieved.

The invention discloses alloy powder for improving the welding seam strength of ultrahigh-strength steel and a preparation method and a welding method of the alloy powder. The preparation method comprises the following steps: providing element components with corresponding contents according to component requirements of the alloy powder for ultrahigh-strength steel weld joint welding; mixing the element components to obtain a powder mixture; an adhesive is added into the powder mixture to be mixed, and an adhesive mixture is obtained; the bonding mixture is dried at the temperature of 360 DEG C to 420 DEG C, so that the bonding mixture is clustered, and a bonding mixture ball is obtained; and crushing and screening the bonding mixture to obtain the alloy powder with the required particle size for improving the welding seam strength of the ultrahigh-strength steel. According to the preparation method of the alloy powder for improving the strength of the ultrahigh-strength steel welding seam, alloy elements can be transited to the welding seam through the alloy powder, the alloy powder is combined with a welding wire to improve the overall strength of the ultrahigh-strength steel welding seam, and a material formed in the welding seam is matched with an ultrahigh-strength steel base material.

This utility model provides a support mold for processing pipe fitting outlet joints. It relates to the field of tooling mold technology and includes an assembly plate and an inner support pipe mold. The inner support pipe mold is embedded in the assembly plate, and recessed mold grooves are formed on the inner and outer sides of both the assembly plate and the inner support pipe mold. A base plate is fastened to the bottom surface of the assembly plate, and a connecting plate is fastened between the edge of the base plate and the assembly plate. A hinge wheel seat is hinged between the connecting plate and the assembly plate. The advantages of this utility model are: the structure provides mold support for the joint structure through the assembly of the assembly plate and the inner support pipe mold. The mold uses the assembly plate as a conventional mold overlapping structure, with an adjustable and customizable inner support pipe mold diameter to adapt to the processing requirements of different joint specifications. Only the corresponding inner support pipe mold matching size needs to be customized according to the dimensions. The adjustable guide rail frame and connecting bracket structure in the assembly plate are used to fix the inner support pipe molds of different diameter specifications.

This invention relates to a gear welding device and method for a press, belonging to the field of press manufacturing. The technical solution is as follows: A gear welding device for a press includes a work platform with a ground rail. A transfer trolley is movably mounted on the ground rail to carry the gear to be welded. Positioners are mounted on both sides of the ground rail, each equipped with a rotatable gripper. A gantry frame is also mounted on the work platform, spanning the ground rail. A welding robot is movably mounted on the gantry frame, its movement direction being horizontal and perpendicular to the ground rail. The welding robot is equipped with a machine vision module. This solution, through the positioner grippers, can precisely achieve 180° rotation of the gear, providing a stable posture adjustment basis for double-sided welding. The welding robot, combined with the machine vision module, enables automated and high-precision acquisition of weld information, providing data support for intelligent welding path planning.

The invention provides a full-hardened working roll made of a D2 material and a preparation method of the full-hardened working roll, and relates to the technical field of rolling mill working rolls. The full-hardened working roll made of the D2 material comprises a roll body and journals arranged at the two ends of the roll body, the hardness of a main body of the roll body is HRC60-62, the hardness in 25 mm areas of the two ends of the roll body is HRC56-58, the hardness of the journals is HRC30-35, and hardness gradient distribution gradually decreasing from a working area of the roll body to the journals is formed. According to the invention, hardness gradient distribution gradually decreasing from the working area of the roller body to the journal in a stepped manner is established, hardness transition areas are arranged at two ends of the roller body, and meanwhile, through a step-by-step heat treatment process of integral quenching, integral low-temperature tempering, integral high-temperature tempering, journal end high-temperature tempering and roller end high-temperature tempering, the hardness of different areas of the working roller is accurately controlled; the working area of the roller body has high hardness and high wear resistance, the shaft necks have high toughness, and the transition area has a stress buffering function, so that the service life of the working roller is remarkably prolonged, the rolling quality of the working roller is remarkably improved, and the production cost is reduced.

This application provides a packaging structure including a packaging substrate and a chip. The packaging substrate includes a packaging surface and a bottom surface disposed opposite each other. The chip is disposed on the packaging surface, and N pads are disposed on the bottom surface. At least two adjacent pads with the same electrical properties are connected by a conductive sheet to form a reinforcing pad. When the above packaging structure is assembled with a circuit board, the solder balls corresponding to the reinforcing pads deform under heat and connect with each other to form large-volume solder balls covering the reinforcing pads. The large-volume solder balls have better fatigue strength. After the packaging structure and circuit board are assembled, during temperature cycling tests or use, the large-volume solder balls can uniformly distribute the stress they bear, making them less prone to fatigue cracks and breakage, effectively improving the board-level reliability of the assembled packaging structure and circuit board. This application also provides an electronic device and its manufacturing method.

The utility model relates to the technical field of transmission rollers, and discloses a waterproof and dustproof chamfering grinding wheel rotor assembly which comprises a grinding wheel bearing seat, deep groove ball bearings are evenly arranged in an inner cavity of the grinding wheel bearing seat, outer rings of the deep groove ball bearings are fixedly connected with the inner cavity of the grinding wheel bearing seat, inner rings of the deep groove ball bearings are fixedly sleeved with a grinding wheel shaft, and the grinding wheel shaft is fixedly connected with the grinding wheel bearing seat. The grinding wheel shaft is movably connected with the grinding wheel bearing seat in a sleeved mode, the right portion of the grinding wheel bearing seat is fixedly provided with a grinding wheel shaft seat gland, the portion, located on the right portion of the grinding wheel bearing seat, of the right portion of the grinding wheel shaft is fixedly connected with a multi-wedge belt wheel in a sleeved mode, and the multi-wedge belt wheel is movably connected with the grinding wheel shaft seat gland in a sleeved mode. The problems of poor sealing performance and fast abrasion under the high-speed working condition are solved, the rotor is not prone to being invaded by dust during high-speed operation, lubrication failure is avoided, the service life is prolonged, the reliability and production efficiency of equipment are remarkably improved, and the high-speed sealing device is suitable for severe industrial scenes such as high-strength glass edge grinding machines and the like.

The invention provides a special-shaped child-mother rod intelligent composite bar based on microscopic modification and a preparation method of the special-shaped child-mother rod intelligent composite bar. The special-shaped child-mother rod intelligent composite bar is used for solving the problems that an existing intelligent composite bar is poor in toughness, fatigue resistance and stability. Comprising a metal sleeve and a special-shaped child-mother sensing core rod which are coaxially arranged, the metal sleeve is a metal sleeve, the space between the metal sleeve and the special-shaped child-mother sensing core rod is filled with an interface function layer, the interface function layer is made of a microcosmic modified high-molecular binder, the microcosmic modified high-molecular binder comprises a high-molecular material, and the surface of the high-molecular material is coated with a coating. Hard micro-nano particles used for improving toughness and fatigue resistance are uniformly dispersed in the high polymer material. Microscopic particle mechanical anchoring, microcosmic special-shaped geometric occlusion and macroscopic structure interlocking are organically combined, a seamless anti-sliding system from the nanometer / micrometer level to the millimeter level is constructed, and the toughness and fatigue resistance of the composite rib and the stability of signal transmission are improved.

This invention discloses a manufacturing equipment and method for hot roughing universal joints used in metallurgical steel rolling. The equipment includes a worktable with four support legs at its bottom and a central control system at its top. It also includes a speed-changing support mechanism mounted on the top of the worktable, with two fixing mechanisms on the mechanism. The two fixing mechanisms respectively fix the universal joint and a flange. This supports the universal joint and the flange, enabling synchronous rotation and position adjustment, providing stable support for subsequent welding, straightening, and other processes. This device significantly improves welding quality by refining grains and dispersing impurities through multi-field coupling; avoiding surface damage through non-contact creep straightening; achieving micron-level straightening through ultrasonic rolling; forming a deep residual compressive stress layer to improve fatigue resistance; reducing human error through automated closed-loop control; adapting to various workpiece specifications; and significantly improving efficiency and reducing costs through integrated processing.

This invention relates to the field of forged aluminum alloy wheel manufacturing technology, and particularly to a valve hole forming process and apparatus for aluminum alloy wheels. The valve hole forming process involves first drilling a process hole at the valve hole location, and then extruding and expanding it into the finished valve hole using a die. The aluminum alloy wheel valve hole forming apparatus includes at least a punch and a die. The punch, used for extruding and expanding the valve hole, has the same diameter as the finished valve hole. A guide portion is provided at the front end of the punch to guide its entry into the process hole. During extrusion and expansion, the die rests against the other side of the wheel valve hole to prevent wheel deformation during extrusion and to ensure the extrusion and expansion of the punch is not affected. This process and apparatus not only improve production cycle time but also specifically enhance the strength and rigidity of the valve hole, facilitating the achievement of lighter wheels.

This invention belongs to the field of water pump rotor mandrel external cylindrical grinding technology, specifically disclosing a water pump rotor mandrel external cylindrical grinding processing device, including a base frame, a clamping and fixing rotation mechanism, a feeding device, and a self-compensating dressing grinding device. The clamping and fixing rotation mechanism can quickly and accurately center and clamp the mandrel, ensuring grinding stability and accuracy; the automated grinding process, with coordinated operation, greatly improves production efficiency and reduces labor costs; the self-compensating grinding device can automatically dress the dull grinding wheel and compensate for the distance between the dressed grinding wheel and the mandrel, ensuring grinding continuity, effectively avoiding workpiece surface damage, improving mandrel fatigue strength and life, reducing production costs, and achieving a dual improvement in quality and efficiency.

The utility model relates to the field of shock absorbers, in particular to a long-service-life motorcycle shock absorber which has the advantages of being simple and reasonable in structure and accurate in damping adjustment and comprises an installation base, a hydraulic cylinder, a sealing cover, a piston rod, a piston, a first spring, a first supporting base, a second supporting base, an air bag assembly and a damping adjustment assembly. The mounting seat comprises a first mounting part, a second mounting part and a connecting part for connecting the first mounting part and the second mounting part, a first mounting groove is formed in the first mounting part, and a second mounting groove and a third mounting groove communicated with the second mounting groove are formed in the second mounting part; the included angle between the central axis of the second mounting groove and the central axis of the third mounting groove ranges from 160 degrees to 178 degrees, a first notch is formed in the position, located on the peripheral side of the second mounting groove, of the second mounting part, the central axis of the first mounting groove is parallel to the central axis of the second mounting groove, and the first mounting groove is located on the upper side of the second mounting groove.

The utility model relates to a kind of high-strength chain structure, the high-strength chain structure includes inner link and outer link, the inner link and outer link rotation connection, it is characterized in that, the inner link includes inner chain plate, sleeve and roller, the roller is sleeved in sleeve outside, inner chain plate is fixedly arranged in the both sides of sleeve, the outer link includes outer chain plate, pin shaft and lock piece, the pin shaft passes through the sleeve, outer chain plate is respectively installed in the both ends of pin shaft, lock piece is arranged in the outside of outer chain plate, lock piece is fixedly connected with pin shaft;Outer chain plate and inner chain plate are same shape, the outer chain plate includes first straight side, second straight side, first curved side and second curved side, the first straight side and second straight side are symmetrically arranged, first curved side and second curved side are symmetrically arranged, first straight side both sides are adjacent with first curved side and second curved side respectively, the first straight side and second straight side are same, the first curved side and second curved side are same, with the advantages of simple structure, high chain strength.

The utility model relates to the field of torsion limiter, especially one -way torsion limiter convenient to overhaul. Including driving shaft, driving shaft cover is equipped with copper ring, tablet, disc spring, fixed sheet, copper ring cover is equipped with first friction piece, sprocket and second friction piece, and sprocket both ends are respectively with first friction piece and second friction piece mutually cooperate, and tablet and second friction piece mutually cooperate, and disc spring and tablet are engaged, and fixed sheet and disc spring mutually cooperate, and driving shaft is connected with end cover, and end cover is connected with bolt, and bolt and fixed sheet resist, and driving shaft is connected with ratchet wheel, and sprocket rotatably connects with stand, and stand is connected with pawl, and sprocket detachably connects with vertical plate, and vertical plate is connected with spring no.

The utility model provides a stirring assembly and a cooking utensil, and the stirring assembly comprises a stirring blade, a stirring shaft and a riveting piece. The stirring shaft is connected with the stirring blades. The stirring shaft is arranged in the riveting piece in a penetrating mode, and the riveting piece is used for being arranged on the inner pot in a riveting mode. According to the technical scheme, the problem that leakage is likely to happen to the connecting position of the stirring assembly and the pot body in the related technology is effectively solved.

The present invention relates to a metering pump, particularly a micro-metering pump, having a pump chamber (70) in which a fluid inlet (72) is provided at a first valve seat and a fluid outlet (74) is provided at a second valve seat. A control element (30) is coupled to an actuator (22) to move the control element (30) so as to change the volume of the pump chamber (70). The control element (30) is movably mounted by means of a flexible hinge (32).

The application provides a ceramic composite material and a preparation method and application thereof, and belongs to the field of composite materials. A ceramic / metal mixed layer is arranged between a ceramic matrix and a nanocrystalline layer, so that the bonding strength of the ceramic matrix and the nanocrystalline layer is enhanced, the ceramic / metal mixed layer can form compressive stress in the subsurface of the ceramic matrix, and the fatigue strength of the ceramic composite material is improved; the metal carbide in the nanocrystalline layer has high melting point and good stability at high temperature, and the nanocrystalline is wrapped by an amorphous carbon film with excellent wear resistance, so that the high-temperature stability and wear resistance are enhanced, and the bonding strength between the nanocrystalline layer and the structure layer of the amorphous carbon film wrapped nanocrystalline is improved; the fatigue strength of the ceramic composite material, the bonding strength between layers, the wear resistance and the high-temperature stability are improved, and the service life of the ceramic strip of the printer is prolonged.

The utility model discloses a kind of shed car end wall repairing devices, it includes equipment pedestal and the car body fixing device and transverse moving mechanism being set to the both ends of equipment pedestal;The transverse moving mechanism on both ends is all provided with rack table, and each rack table is provided with clamping mechanism by clamping and adjusting position platform;The car body fixing device is used to fix shed car, the transverse moving mechanism can be transversely moved control clamping mechanism close and away from shed car end wall, the clamping and adjusting position platform can drive clamping mechanism to move up and down and front and back.The utility model can be repaired to shed car end wall by moving platform and machine, accurately repair the concave-convex surface of end wall, improve efficiency, save time.

The utility model relates to a kind of anti-fatigue connecting rod structure of shearing resistance, belong to water turbine technical field.Solve the problems of connecting rod stress concentration, fatigue crack, shearing failure in prior art.Technical points: operating frame is sleeved on the both sides of piston assembly, ear handle is sleeved on left operating frame, the bottom of two connecting rods is clamped ear handle by the connecting rod pin of bottom, the top of two connecting rods is clamped rotating arm by the connecting rod pin of top, connecting rod and connecting rod pin gap cooperation, blade is installed on rotating arm;Two ends of connecting rod are semicircular, both ends are provided with pin hole, 4 round holes are arranged on the inner wall of pin hole, pin shaft is inserted into round hole.The utility model cancels pin hole screw, uses pin shaft instead, can effectively avoid the fracture damage of pin hole screw due to high shearing stress;Pin shaft is used to optimize load distribution, reduce local stress concentration, improve the anti-shearing capacity of connecting rod, applicable to high impact, heavy load working condition;The arrangement direction of pin shaft is optimized, and the fatigue strength of connecting rod is enhanced.

This invention relates to a two-unit centrosymmetric spoke structure and tire for non-pneumatic tires. The spokes include a glass fiber reinforced structure and a first support structure, a first spoke unit, a second spoke unit, and a second support structure connected sequentially through the glass fiber reinforced structure. The first and second support structures are centrosymmetrically distributed with respect to a first center point, and the first and second spoke units are centrosymmetrically distributed with respect to a second center point. By setting the two support structures and two spoke units to be centrosymmetrically distributed, the spokes achieve a load-bearing effect through a two-unit centrosymmetric arrangement. Under vertical compression, the sum of the internal forces and the torque at the bonding surface is zero, avoiding uneven stress distribution at the adhesive surface, significantly reducing unidirectional tearing force, enhancing the fatigue strength of the adhesive surface, and simultaneously improving the bending and torsional resistance and stability of the spokes.

The application relates to the technical field of high-temperature bearings, and particularly discloses a GH5630C wear-resistant alloy and a preparation method and application thereof. The GH5630C wear-resistant alloy comprises the following chemical components: C 1.1-1.4%; Cr 28.5-31.5%; Ni 1.0-2.5%; W 4.5-5.5%; Mo 0.50-1.50%; Mn 0.50-1.70%; Si 0.20-1.50%; Nb 0.3-0.6%; La 0.02-0.2%; Fe<=3.00%; S<=0.03%; P<=0.04%; and the balance is Co. The application further provides a preparation method of the GH5630C wear-resistant alloy. The GH5630C wear-resistant alloy has a temperature resistance of more than 500 DEG C, good wear resistance, impact toughness and fatigue resistance, and can be used for manufacturing bearing parts for high-temperature aerobic or corrosive environment applications.

The application relates to an electronic device accessory, comprising: a shell; a support rotatably connected to one side of the shell along the thickness direction of the shell; wherein the outer contour of the support is rectangular, and at least two corners of the outer contour of the support are rounded; the length dimension L1 of the support along the shell satisfies 38mm<=L1<=126mm, and / or the width dimension W1 of the support along the shell satisfies 62mm<=W1<=80mm. The support has a larger size, improves the structural stability of the support itself, reduces the possibility of bending deformation of the support in a supporting state, increases the contact area between the support and a supporting surface such as a desktop, reduces the possibility of sliding deviation of the support on the supporting surface in the supporting state, and further improves the reliability of the support. The outer contour of the support is a rectangle with rounded corners, which can be more matched with the shape of a rectangular electronic device, and the user experience is improved.

This utility model relates to the field of T-iron technology and discloses a connection structure for a T-iron, including a shell, a T-iron body fitted inside the shell, studs mounted on the sides of the shell, and a buffer plate mounted on the bottom of the shell. In this T-iron connection structure, the eight studs on the shell are evenly distributed, which can evenly distribute the connection load across the shell, thereby avoiding stress concentration and providing stronger connection strength. The spring washers on the studs increase the friction between the threads, effectively locking the connection. The buffer plate at the bottom of the shell can effectively absorb and attenuate external impacts and vibrations, protecting the T-iron body and the entire assembly. Several ribs on the outer side of the T-iron body resist vibration and deformation. The rounded corners of the T-iron body effectively disperse stress and prevent stress concentration at sharp edges, thereby significantly improving the fatigue strength of the T-iron body and extending its service life.

The application relates to the technical field of building detection equipment, in particular to a building engineering foundation pile detection system, which comprises a base, a plurality of rollers for movement are arranged below the base, a plurality of guide columns are arranged on the base, a plurality of fixing plates are arranged on the top of the guide columns, an intermediate sliding plate is jointly and slidably arranged on the guide columns, a lead screw matched with the fixing plates is fixedly arranged on the intermediate sliding plate, a feeding mechanism for driving the lead screw is arranged on the fixing plate, a power unit is arranged on the intermediate sliding plate, the power unit comprises an engine and a transmission mechanism, and the building engineering foundation pile detection system further comprises an anti-bouncing device arranged on the base and used for preventing the base from being lifted. The anti-bouncing device is electrically connected with the feeding mechanism of the drilling core taking machine. When the drill bit has a tendency of lifting the whole device, the anti-bouncing device can automatically reduce the feeding speed of the feeding mechanism or stop the feeding of the feeding mechanism according to a set program.