20results about How to "Stable strength" patented technology

The utility model discloses a device for detecting the bending strength of an automobile part, and relates to the technical field of automobile production and manufacturing. Comprising a workbench, fixing mechanisms are arranged on the two sides of the top of the workbench, each fixing mechanism comprises a bottom plate, a supporting plate is fixedly connected to one side of each bottom plate, a through hole is formed in one side of the top of each supporting plate in a penetrating mode, a connecting shaft is rotationally connected into each through hole, and a pressure applying detection mechanism is arranged on one side of the top of the workbench. The pressure applying detection mechanism comprises a mounting plate, and one side of the top of the mounting plate is fixedly connected with a supporting frame. In the use process, a workpiece to be detected is placed on the bottom plate, then the rotating disc is manually rotated to enable one end of the screw rod to abut against the workpiece to be detected, and then the workpiece is clamped and fixed by the extrusion plate, so that unnecessary movement or deformation of a tested automobile part in the test process is avoided, the workpiece is prevented from slipping and flying out, and the test efficiency is improved. The detection worker is harmed, and the detection safety is influenced.

The utility model provides a posterior cruciate ligament stopping point fracture fixing device which comprises a fixing steel plate, a threaded sleeve and a fixing screw, and a traction hole for a first traction line to penetrate through is formed in one corner of the fixing steel plate; one end of the threaded sleeve is rotatably arranged in the middle of the fixed steel plate, the other end of the threaded sleeve is provided with a threaded hole, and the bottom of the threaded hole is connected with a second pull wire; the fixing screw is in threaded fit with the threaded hole in the threaded sleeve, and the center of the fixing screw is provided with a threading hole for the second pull wire to penetrate through. The device can be implanted under arthroscope micro-creation, and has the advantages of small trauma and less bleeding compared with the traditional open implantation; meanwhile, compared with a loop-shaped steel plate, the bone block is fixed through the pulling force of the screw, the force is larger and more stable, and healing of posterior cruciate ligament dead point avulsion fracture is facilitated; the device is simple in overall structure, low in manufacturing cost, stable in structure and high in popularization value.

The invention relates to the technical field of grinding devices, and discloses a water pump shaft machining and grinding device which comprises a grinding machine body and a grinding machine table top, two supporting mechanisms are arranged above the grinding machine table top, and a connecting assembly is arranged between the two supporting mechanisms. By arranging the two supporting mechanisms, the supporting stability of the pump shaft can be guaranteed when the pump shaft is supported, the pump shaft can be directly hoisted and clamped without a traveling crane when being clamped, the pump shaft can be hoisted on the wedge-shaped supporting block during clamping, then the wedge-shaped supporting block is driven to move upwards, the upwards-moving wedge-shaped supporting block can drive the pump shaft to move upwards, and therefore the pump shaft can be clamped conveniently. After the center hole of the pump shaft moves upwards to the position flush with the ejector pin, the ejector pin can be directly used for abutting against the center hole of the pump shaft, in this way, hoisting is not directly conducted during clamping, the pump shaft is stably clamped, and then the problem that the center hole is likely to be damaged by the ejector pin can be avoided.

The present invention provides a tractor wire harness production and processing device, belonging to the technical field of tractor wire harness production. It comprises a machine body, the wire inlet end of the machine body is fixedly connected with a combing component, the combing component is used to assist the user in placing the wire harness, the combing component is connected to the machine body; the pulling component is used to fix and pull the wire harness, the pulling component is connected to the machine body. The present invention provides a combing component and a pulling component, the combing component can not only improve the efficiency of the user in placing the wire harness, but also can tighten and limit the loose wire harness according to the size of the wire harness during the process of placing the wire harness; the pulling component can not only quickly fix one end of the wire harness, but also can automatically pull the wound wire harness out of the device instead of manpower, such a setting ensures that the wire harness will not be unevenly wound due to excessively fast or slow speed during the pulling process.

The invention provides a tractor wire harness production and processing device, and belongs to the technical field of tractor wire harness production. Comprising a machine body, the wire inlet end of the machine body is fixedly connected with a carding assembly, the carding assembly is used for assisting a user to place wire harnesses, and the carding assembly is connected with the machine body; the traction assembly is used for fixing and pulling a wire harness, and the traction assembly is connected with the machine body. By arranging the carding assembly and the traction assembly, the carding assembly not only can improve the wiring harness placement efficiency of a user, but also can tighten and limit loose wiring harnesses according to the sizes of the wiring harnesses in the wiring harness placement process; the traction assembly not only can quickly fix one end of the wire harness, but also can replace manpower to automatically pull the wound wire harness out of the device, so that the phenomenon that the adhesive tape is wound unevenly due to too high or too low speed in the wire harness traction process is avoided.

The application belongs to the field of steel material and its preparation technology, and discloses a high strength and toughness steel plate for liquid hydrogen storage and transportation and a preparation method thereof. The mass percentage of each chemical component is controlled and the film-like reversed austenite formation tendency index is satisfied. Through reasonable component proportioning, high cleanliness smelting, continuous casting, rolling and heat treatment synergic control, a dual-phase structure of tempered martensite and film-like reversed austenite is obtained, the volume fraction of the film-like reversed austenite is 8% to 20%, and the volume fraction of the block or island-like reversed austenite is not more than 3%. The steel plate has the room temperature yield strength of greater than or equal to 600 MPa, the tensile strength of greater than or equal to 750 MPa and the impact energy of greater than or equal to 70 J at-253 DEG C in the thickness range of 6 to 50 mm, the structure and performance in the thickness direction are uniform, the steel plate has high strength, super-low temperature high toughness and excellent hydrogen damage resistance, and is suitable for liquid hydrogen storage tanks and related low-temperature pressure vessels.

The invention discloses an automatic laser cutting machine and method for nonmetal cutting, and relates to the technical field of laser cutting machines. The automatic laser cutting machine for nonmetal cutting comprises a shell, a three-dimensional five-axis laser cutting machine is installed on the top wall of the shell, and a plurality of inclined air channels are formed in the outer side of the shell in the circumferential direction of a window at equal intervals; the moving-through control device is used for communicating the first inner cavity and the second inner cavity where one window is located and completing waste gas absorption and contact surface cooling, and the filtering device is used for filtering impurities. According to the automatic laser cutting machine and method for non-metal cutting, the supporting shell is matched with a special-shaped piece opening hole through the window, the inner wall is stably supported to prevent collapse and deviation, circumferential uniform cooling and cutting gas dust absorption are synchronously achieved through an inner cavity of the window, a moving cylinder moves to enable a through hole to only communicate with an assembly of a to-be-cut station, the station is rapidly switched, time is saved, and the working efficiency is improved. And airflow is intensively utilized, the equipment energy consumption is reduced, and the stable cold suction effect is ensured.

The utility model provides an adhesive sheet bending and pressing mechanism which comprises a shell, the inner side of the middle end of the shell is fixedly connected with a conveying belt, one end of the shell is fixedly connected with a detection assembly, the upper side of the middle end of the shell is fixedly connected with an adjusting assembly, the upper end of the adjusting assembly is fixedly connected with a moving assembly, and the upper end of the moving assembly is fixedly connected with a limiting assembly. An extrusion assembly is fixedly connected to the outer end of the upper side of the shell, a positioning assembly is fixedly connected to the lower end of the extrusion assembly, control assemblies are fixedly connected to the two ends of the positioning assembly, and a bending assembly is fixedly connected to one end of each control assembly; when the adhesive sheet bending and pressing mechanism is used for machining a part, an adhesive tape on the upper side of the part can be automatically bent, so that manual bending of a worker is not needed, the bending efficiency is effectively improved, meanwhile, the strength during bending and pressing can be kept stable, and the adhesive tape is prevented from falling off due to insufficient pressing strength.

The utility model provides a house wall hollowing detection device, which comprises a main joint and a telescopic joint, the telescopic joint is movably connected in the main joint, and the outer surface of the main joint is wrapped by a main sleeve. Compared with the prior art, the device has the advantages that the constant-torque motor has stable rotating speed and torque output due to the design of the constant-torque motor, so that the hammer head has constant speed and strength when knocking the wall every time, and the detection result of each hollowing position of the wall is ensured to have better reliability; the sound volume can be visually displayed on the pickup lamp when the hammer head knocks the wall, the higher the light pillar on the pickup lamp is, the higher the sound volume is, the hollowing problem is serious, the hollowing problem is caused by air or low-density substances between the plaster layer and the base layer of the wall, and the larger the sound volume when the hammer head knocks and the lower the light pillar on the pickup lamp indicate that the sound volume is small. The hollow drum problem is small or no hollow drum exists, and due to the design of the pickup lamp, technicians can visually judge the size of the hollow drum problem of the wall body.

The utility model relates to the technical field of hard alloy blade detection, and discloses a hard alloy blade detection tool which comprises a workbench and a protection box, a knocking assembly is arranged in the protection box, a fixing assembly is arranged in the protection box, and the knocking assembly comprises a fixing block fixedly installed on the inner top wall of the protection box. A movable groove is formed in the bottom of the fixing block, a servo motor is fixedly installed on the right side of the fixing block, and a threaded rod with one end penetrating and extending into the movable groove is fixedly installed on an output shaft of the servo motor. According to the hard alloy blade detection tool, all parts of a blade body of an alloy blade can be uniformly knocked by arranging the knocking assembly, the stability of the knocking force and the comprehensiveness of the knocking position are ensured, the detection result of the hardness of the alloy blade is ensured, the alloy blade can be stably fixed by arranging the fixing assembly, and the detection accuracy is ensured during detection. The stability of the alloy blade is improved.

The utility model provides a handle of a seeder, which comprises a handle body, the handle body is movably provided with a button, the button is provided with a support, the support is movably provided with a movable part, the movable part is fixedly provided with a connecting belt, the movable part is provided with a clamping block and a connecting arm, the connecting arm elastically abuts against the support through a first spring, and the handle body is movably provided with a knob. The knob is fixedly connected with a special-shaped wheel, the clamping block movably abuts against the special-shaped wheel, the handle body is provided with a supporting arm, and the supporting arm elastically abuts against the support through a second spring. The special-shaped wheel is spiral, the knob is rotated to drive the special-shaped wheel, so that the initial position of the clamping block is adjusted, the initial position of the movable part is controlled, the initial compression amount of the first spring is adjusted, and the support pushes the movable part to move through the first spring, so that the acting force of the button on the movable part is stable; the force acting on the blanking switch is stable, so that the blanking speed of the seeder is stable, and the seeding uniformity is improved.

The invention belongs to the technical field of steel and iron materials and preparation thereof, and discloses a high-toughness steel plate for liquid hydrogen storage and transportation and a preparation method thereof. And the mass percentage of each chemical component is controlled and a film-shaped inverted austenite formation tendency index is met. A tempered martensite and film-shaped inverted austenite dual-phase structure is obtained through reasonable component proportion and cooperative control over high-cleanliness smelting, continuous casting, rolling and heat treatment, the volume fraction of the film-shaped inverted austenite is 8%-20%, and the volume fraction of blocky or island-shaped inverted austenite is not larger than 3%. The steel plate has the room-temperature yield strength larger than or equal to 600 MPa, the tensile strength larger than or equal to 750 MPa and the impact energy larger than or equal to 70 J at the temperature of-253 DEG C within the thickness range of 6-50 mm, the structure and performance in the thickness direction are uniform, high strength, ultralow-temperature high toughness and excellent hydrogen damage resistance are achieved, and the steel plate is suitable for liquid hydrogen storage tanks and related low-temperature pressure containers.

The present invention belongs to the technical field of clamps for processing inner-opening handle assemblies, and specifically relates to a pressure-self-adjusting clamping device for processing inner-opening handle assemblies, which includes a clamp mechanism and a pressure-self-adjusting mechanism. The clamp mechanism includes a base, a chamber and two groups of supporting parts, and the pressure-self-adjusting mechanism is arranged inside the chamber; the two groups of supporting parts each include two fixed plates, a pin shaft, a clamping rod and a clamping plate, and the pressure-self-adjusting mechanism includes a motor, an output shaft, an expansion joint, a threaded sleeve, a threaded rod and two connecting parts, and the two connecting parts each include two hinges and a connecting plate, and the chamber is fixedly installed above the base, and a placement block is fixed above the chamber. The device solves the problem that when the inner-opening handle assembly is currently processed, it is necessary to punch holes in it, and when punching holes, it is clamped by a clamp, the clamp has poor stability, and the clamping force is unstable, which leads to loose clamping or deformation of the inner-opening handle assembly.

This utility model discloses a pressing and nailing assembly for automotive headlight assembly, including a bracket, a six-axis vertical multi-joint industrial robot, and a fixing plate. The bracket is used to install on the required processing table, and a top plate for fixing is welded to the top of the bracket. This utility model utilizes the flexible motion trajectory and high motion speed of the six-axis vertical multi-joint industrial robot, which can quickly and accurately drive the pressing mechanism to complete the pressing action, gradually improving the assembly efficiency of automotive headlight pressing and making it suitable for large-scale production needs. When the concave frame is driven by a cylinder to move the jaws, the two sets of connecting pins on the jaw surface slide along the guide holes of the positioning frame with the sliding wheels, achieving precise constraint of the pressing trajectory, effectively avoiding pressing deviation, uneven force, and other problems, and significantly improving the consistency and pass rate of automotive headlight assembly. The pressure gauge on the pressing air control box can display pressure data in real time, making it easy for operators to keep track of the equipment's operating status.

The utility model discloses a resistance wire implanter which comprises a feeding vibration disc, a supporting clamping jaw, a clamping clamping jaw, a lifting clamping jaw, a guide plate and a positioning jig, a resistance wire is placed in the feeding vibration disc, the feeding vibration disc is used for feeding the resistance wire in a vibration mode, the supporting clamping jaw supports the resistance wire fed by the feeding vibration disc, the clamping clamping jaw is used for clamping the resistance wire, and the positioning jig is used for positioning the resistance wire. The guide plate is used for guiding the resistance wire to enter a product main body, the clamping clamp is used for clamping the supported resistance wire, the lifting clamping jaw is used for lifting the clamped resistance wire, the guide plate is used for guiding the resistance wire to enter the product main body, and the product main body is arranged on the side wall of the positioning jig. The whole resistance wire implanting operation is highly automatic, the implanting efficiency is high, the air cylinder is used for controlling the clamp to clamp the resistance wire, the force is stable, and the resistance wire is not prone to deformation.

The present invention relates to the technical field of sewage treatment, and in particular to a livestock breeding sewage treatment equipment. Its technical scheme includes: an auxiliary separation part, the auxiliary separation part includes a driving roller, a filter cloth, a gravity displacement part, a supporting roller, a paddle plate and a striking plate, both ends of the driving roller are rotatably connected to the wastewater treatment tank, the driving roller reels the filter cloth, the inner wall of the wastewater treatment tank and the gravity displacement part is slidably connected to the driving roller, the side of the gravity displacement part is rotatably connected to the supporting roller, the top of the supporting roller supports the filter cloth, and the end of the supporting roller is fixedly installed with a paddle plate. In the present invention, when flushing the filter cloth, the more particles intercepted by the filter cloth, the greater the distance the supporting roller moves downward, the greater the swing amplitude of the striking plate driven by the paddle plate at the end of the supporting roller, and the greater the force of the striking plate striking the filter cloth, and the greater the knocking force is correspondingly increased according to the amount of particles intercepted by the filter cloth, thereby improving the cleaning effect.

The invention discloses a sock rolling device for sock production, and belongs to the technical field of sock production, the sock rolling device comprises two support frames, a plurality of connecting plates are arranged between the two support frames, dumping plates are hinged to the outer surfaces of the plurality of connecting plates, and fixing blocks are fixedly connected to the outer surfaces of the support frames. The combined design of a threaded rod and a moving block is adopted for the overturning assembly, a dumping plate is driven by a connecting rod to stably overturn, it is ensured that socks are not subjected to too large impact or damage in the overturning process, the integrity and attractiveness of the socks are guaranteed, the winding assembly drives a winding column to rotate through gear transmission, the socks are evenly and tightly wound, and the winding efficiency is improved. The problems of non-uniform tightness, irregular shape and the like possibly occurring in traditional manual winding are avoided, the overall quality of a product is improved, the overturning assembly drives a threaded rod to rotate through a motor and drives a moving block and a connecting rod to move, then overturning of a dumping plate is achieved, the overturning action is rapid, stable and accurate, and the overturning efficiency is improved.

The invention discloses a submerged scraper conveyor and a cleaning method thereof. The submerged scraper conveyor comprises a rack, a conveying chain wheel set, a transmission chain and a discharging port, the conveying chain wheel set, the transmission chain and the discharging port are arranged in the rack, and the transmission chain is meshed with the conveying chain wheel set; a first cleaning mechanism is arranged on the transmission chain; the first cleaning mechanism comprises a driving assembly, a first rolling brush and a second rolling brush, wherein the first rolling brush and the second rolling brush are connected with the driving assembly. The first rolling brush and the second rolling brush can be close to or far away from the transmission chain in the vertical direction and the horizontal direction; during use, the first rolling brush and the second rolling brush abut against the two sides of a transmission chain respectively. And the first rolling brush and the second rolling brush are rotationally arranged under the action of a driving assembly. According to the scraper slag salvaging machine, effective treatment of sediments on the chain is achieved.

The present invention relates to the field of target simulation adjustment technology, and in particular to a target simulation system for realizing semi-physical simulation of an electric shovel. The system includes an electric shovel semi-physical simulation platform construction module, an electric shovel target operation pre-setting execution module, an electric shovel target operation parameter real-time acquisition module, and a target simulation feedback adjustment control optimization module. The electric shovel semi-physical simulation platform can be designed and established; the target operation parameter condition restrictions and electric shovel target operation execution processing are performed on the actual electric shovel structure to generate the electric shovel structure semi-physical target operation operation execution process, and the electric shovel operation parameters are collected in real time and uploaded to the electric shovel semi-physical physical simulation model; the electric shovel semi-physical physical simulation model is used to perform target simulation feedback error adjustment analysis and target execution control optimization to generate the electric shovel semi-physical target operation execution control optimization process. The present invention can realize the real simulation and dynamic adjustment of the electric shovel target operation process.