17results about How to "Avoid insufficient friction" patented technology

A grafting auxiliary device for improving and cultivating wild soapberry, relating to the field of wild soapberry improvement and cultivation technology, includes a fixed plate, a rotating seat rotatably mounted inside the fixed plate, an angle adjustment seat fixedly mounted at the top of the rotating seat, a connecting block mounted on the upper end of the angle adjustment seat via fastening bolts, a grafting plate fixedly mounted at the top of the connecting block, a positioning seat fixedly mounted at the upper end of the grafting plate, two clamping pieces symmetrically mounted above the positioning seat, and the bottom of the clamping pieces slidingly limiting the front and rear ends of the positioning seat with the limiting grooves at the front and rear ends, a transparent protective cover mounted above the grafting plate, and the bottom of the transparent protective cover engaging with the grafting plate, with ventilation windows at both the front and rear ends of the transparent protective cover, and an installation mechanism at the bottom of the fixed plate. This solution solves the problem of low survival rate caused by misalignment or water loss after grafting wild soapberry.

The utility model discloses an I-shaped steel fixing device which comprises I-shaped steel, the I-shaped steel comprises an upper flange and a lower flange, a middle web is arranged between the two flanges, a fixed part is placed on one flange, two U-shaped fixing shafts are connected to each fixed part and the position to be fixed on the I-shaped steel in a clamped mode, and the U-shaped fixing shafts are connected with the I-shaped steel in a clamped mode. The U-shaped fixing shaft is in a U shape, the lower end of the U-shaped fixing shaft penetrates through the flange tightly attached to the fixed part and is provided with a first thread, and the lower end of the U-shaped fixing shaft is in threaded connection with a first nut through the first thread. The two U-shaped fixing shafts at one fixed position are symmetrically installed with the middle web as the reference plane, friction blocks are arranged on the two opposite sides of the fixed part, the friction blocks are made of materials with large friction force with the I-shaped steel, and the I-shaped steel fixing device has the advantages of being high in practicability and firm in fastening.

This application relates to the technical field of emulsion explosive loading equipment, and in particular to a multi-degree-of-freedom grasping and positioning mechanism for an emulsion explosive loading robot, comprising a grasping component, a positioning component, and an adjustment component. The grasping component features flexible contact pads and raised structures to increase gripping friction and reduce damage; the positioning component achieves horizontal and rotational freedom through slide rails, sliders, and a rotary table; the adjustment component employs telescopic rods and universal joints to enhance attitude adjustment capabilities. This application, through optimized mechanical structure design, solves the problems of insufficient flexibility and poor adaptability of existing equipment, significantly improving the efficiency and accuracy of grasping and positioning, and providing an efficient and precise solution for the emulsion explosive loading process.

This utility model relates to the field of testing device technology and discloses a testing device for an automotive cockpit controller, comprising: a main cabinet, which is divided into multiple functional layers along a first direction by partitions, the functional layers being suitable for testing at least one function of the automotive cockpit controller; and a darkroom connected to the main cabinet, the darkroom being suitable for forming a dark space; the main cabinet includes: a first side panel, the first side panel being suitable for mounting the object under test for testing in the darkroom. By dividing the main cabinet into multiple functional layers along the first direction, the parallel testing capability of multiple functions of the automotive cockpit controller is realized. This not only optimizes space utilization but also significantly improves testing efficiency, allowing different functional modules to be tested simultaneously, greatly shortening the overall testing cycle. The connection design of the darkroom provides a controllable dark environment for optically related tests, ensuring the reliability and consistency of test data.

The present application relates to a kind of aluminum strip pneumatic feeding device for stamping, including frame and slider, be connected between frame and slider by horizontal telescopic cylinder, be provided with first vertical telescopic cylinder on frame, be provided with front pressing plate on the upper end of first vertical telescopic cylinder, be provided with second vertical telescopic cylinder on slider, be provided with rear pressing plate on the upper end of second vertical telescopic cylinder.Gas source connecting port is opened in frame, frame internal gas path that is communicated with gas source connecting port is opened in the inside of frame, slider internal gas path is opened in the inside of slider, second vertical telescopic cylinder is controlled to be connected with slider internal gas path, horizontal telescopic cylinder is hollow structure, frame internal gas path and slider internal gas path are communicated with each other by horizontal telescopic cylinder, be provided with reversing pressure rod connected with frame internal gas path on frame.The present application can realize the same aluminum strip feeding action as the operation tempo of punch press, can effectively guarantee the displacement accuracy of aluminum strip, and will not produce indentation or scratch to aluminum strip.

This utility model relates to the field of wire production technology and discloses a wire threading device for production equipment, including a workbench. A motor is fixedly installed on one side of the workbench via a mounting bracket. A rotating shaft is fixedly sleeved on the output shaft of the motor and rotatably connected to the middle of the inner wall of the workbench. Several main conveying wheels are fixedly sleeved on the surface of the rotating shaft. A first top plate is fixedly installed at the top center of the workbench, and several guide columns are slidably connected inside the first top plate. This utility model forms an upper and lower clamping structure with the driven wheel and the main conveying wheel, which not only provides conveying power but also stabilizes the wire posture, preventing the wire from bending or jumping due to uneven force during conveying, thus improving the threading stability. By using a spring to push the driven wheel to press on the wire, the pressure can be automatically adjusted according to the wire diameter to ensure that wires of different specifications can obtain sufficient friction, avoid slippage, and improve the flexibility of the device.

The utility model discloses a lamp convenient to install, which is suitable for being installed on a substrate provided with an installation hole and comprises a lamp body, and an abutting flange extending outwards is arranged at the bottom of the lamp body. The at least two elastic clamps can rotate relative to the lamp body, the elastic clamps move between a first position and a second position, in the first position, the elastic clamps are opened upwards and suitable for penetrating through the mounting holes, and in the second position, the elastic clamps press and abut against the upper surface of the base plate downwards under the action of elastic force, and the abutting flanges abut against the lower surface of the base plate upwards; the sliding piece is in sliding fit with the lamp body in the vertical direction and moves between a third position located on the upper side and a fourth position located on the lower side. At the third position, the sliding piece upwards abuts against the elastic clamp located at the first position and receives force applied by the elastic clamp so that the sliding piece can be kept at the third position through friction fit between the sliding piece and the lamp body; in the fourth position, the elastic clip is allowed to be located in the second position. The lamp can solve the problem that hands are clamped when the lamp is installed.

This invention relates to the field of robot gripping technology, and more particularly to a control method and system for a gripper of a logistics sorting robot. The method involves determining the thickness and bonding position of a fixed plate, dividing the fixed plate into several gripping areas, collecting driving pressure and driving current to generate drop characterization values ​​to determine the first drop tendency of the logistics packaging box and determine the corresponding reinforcement strategy, determining the adjustment strategy for the gripping task based on the degree of center of gravity shift and the first relative displacement difference, collecting tilt duration and needle spacing to determine the degree of change in the second drop tendency, adjusting the gripping task adjustment strategy in response to the second drop tendency being greater than the first drop tendency, and determining the adjustment strategy for a third gripping task based on the comparison result of the second relative displacement difference and the second displacement threshold. This significantly improves the accuracy of the control method for the gripper of the logistics sorting robot.

The application provides a kind of miscellaneous fill mucky soil pipe network drilling hole wall stable control device, including fixed base, hole wall support unit, inflatable structure and clamping assembly.Fixed base is set at the orifice of drilling, with the through hole that is communicated with the orifice.Hole wall support unit is provided with multiple, multiple hole wall support units can form the wall protection string that can be lowered into drilling through the through hole in series.Every hole wall support unit has expansion section.Inflatable structure can inflate hole wall support unit after being lowered into drilling, so that expansion section extends outward and abuts with hole wall.Clamping assembly can clamp the top end of hole wall support unit before inflating hole wall support unit.The miscellaneous fill mucky soil pipe network drilling hole wall stable control device provided by the application can efficiently respond to the effect of soil stress change, improve the supporting effect, effectively reduce the risk of hole collapse, and guarantee the construction progress and safety.

The utility model provides a sound box. The sound box comprises a box body; the loudspeaker is arranged on the box body, the loudspeaker comprises a sound cone, a connecting hole is formed in the loudspeaker and / or the box body, the connecting hole is located in the periphery of the sound cone, a limiting surface is arranged in the connecting hole, the limiting surface comprises an arc-shaped surface, and the arc-shaped surface protrudes in the radial direction of the connecting hole in the direction away from the axis of the connecting hole; the mesh enclosure is arranged opposite to the loudspeaker; the connecting structure is fixedly arranged on the mesh enclosure and comprises a limiting part made of an elastic material, the limiting part is arranged in the connecting hole in a penetrating mode and matched with the connecting hole in an inserted mode, the outline of the outer surface of at least part of the limiting part is matched with the outline of the limiting face, and the limiting part is matched with the limiting face in a limiting mode so that the position of the connecting structure at the connecting hole can be limited. According to the scheme, the problem that in the prior art, the connecting columns on the mesh enclosure are matched with the connecting holes in the box body or the loudspeaker in an inserted mode, so that the mesh enclosure vibrates when the sound box plays music, transmission of sound waves is disturbed, and the tone quality is reduced can be solved.

The utility model relates to paper cutting machine technical field discloses a high -speed paper cutting is with hob structure and paper cutting mechanism, including machine body, one side fixed mounting of machine body has the material delivery cavity, the inside of machine body is equipped with second rotating lever, the outside fixed connection of second rotating lever has hob body, the inside rotation of machine body is installed with two first rotating lever, the outside surface fixed mounting of two first rotating lever has a plurality of briquettes, the inside of briquette is equipped with positioning assembly, positioning assembly includes expansion spring and arc block, arc block sets up at the bottom of briquette, and the top surface extension of arc block is into the inside of briquette. In the utility model, through positioning assembly, can make arc block with paperboard have enough friction, arc block rotation, can ensure paper steady convey, also can position the direction of paper conveying, prevents the situation of paper conveying process and occurs and runs off.

The utility model relates to the technical field of automobile wire harness assembly, and discloses a new energy automobile wire harness assembly frame which comprises a workbench, and a positioning assembly is arranged on the top end face of the workbench. According to the new energy automobile wire harness assembling frame, the bending spring supports the flexible part through the outer wall of the bending spring, so that the flexible part can meet the bending requirements in different directions, wire harnesses at the branch positions of the wire harnesses are restrained, mutual winding or dislocation of the wire harnesses is prevented, the right-angle groove guides the positions, needing right-angle turning, of the wire harnesses, and the wire harness assembling efficiency is improved. The wire harness is bent at the corner according to the preset direction, the situation that the layout of the wire harness is affected due to random bending is avoided, wiring requirements in different directions are met, the wiring flexibility is improved, the suction cup can be detached without large force or insertion into a gap between a rubber ring and the workbench through the arranged vertical rod and the through groove, and the operation is convenient. The position of the positioning assembly is convenient to adjust, and the circuit laying efficiency is improved.

This utility model discloses an adaptive clamping gemstone display holder, including a base with a support platform fixedly connected to its upper end; a display surface located inside the support platform; a fixing cylinder fixedly installed inside the support platform, the inner side of which is hollow, and an opening slot is provided at its top; a chassis fixedly installed inside the fixing cylinder; and an adjusting rod extending through the inner side of the chassis, with a button fixedly connected to its bottom. This adaptive clamping gemstone display holder, through its unique mechanical structure and elastic elements, allows the clamping mechanism to automatically adapt to gemstones or rings of different sizes, achieving "one-piece universal use" without manual adjustment. The clamping rod is made of a special silicone material, which is soft, highly elastic, and chemically inert. This material provides sufficient friction to firmly grip the gemstones while its hardness is far lower than that of the gemstones, ensuring no scratches or damage to their surface.

The utility model provides an aluminum bar saw which comprises a rack, a moving device, a first clamping device and a water jet cutting device, and a water tank is arranged below the rack; the moving device is hung upside down and is arranged above the rack; the first clamping device comprises a supporting frame, a rolling ring, a first driving assembly, a second driving assembly and a plurality of rollers, the rolling ring is arranged on the supporting frame and rotationally connected with the supporting frame, the supporting frame and the first driving assembly are both arranged at the moving end of the moving device, and the first driving assembly is in transmission connection with the rolling ring; the first driving assembly is used for driving the rolling ring to rotate; the second driving assembly is arranged in the rolling ring, connected with the multiple rollers and used for driving the multiple rollers to clamp the aluminum bar. The aluminum bar cutting device solves the problem that when the radius of an aluminum bar is far larger than that of a cutting disc, traditional cutting equipment is difficult to cut the aluminum bar.

The utility model discloses a polyurethane tire with a symmetrical tread pattern structure, which relates to the field of tires, and comprises a tire body and tread patterns, the tread patterns are symmetrically distributed by taking the central axis of the tire as a symmetry axis, the tread patterns are composed of a plurality of independent pattern block units, each pattern block unit is of a rhombus structure, and the pattern block units are arranged on the tire body. According to the utility model, the tread patterns are symmetrically distributed by taking the central axis of the tire as the symmetry axis, so that the left side and the right side of the tire are uniformly stressed in the running process, and when a vehicle turns, changes lanes or runs in a straight line, the tread patterns are uniformly stressed; the left-right symmetrical pattern structure can ensure that the friction force between the tire and the ground is uniformly distributed, so that the problems of running off tracking, side slipping and the like caused by asymmetrical patterns are avoided, the running stability of a vehicle is improved, and a driver can more accurately control the running direction of the vehicle.

A kind of ground treatment structure for the new and old filling interface area of airport pavement influence area belongs to ground structure technical field.The structure includes geogrid, over-excavation replacement layer, slope step, reinforcing step and filling layer, 2-4m over-excavation replacement layer is set on the top surface of original filling body, slope step is set on the slope of original filling body, the width of slope step is not less than 2m, one layer of reinforcing step is filled on the outside of every two slope steps, filling layer is filled outside reinforcing step again, the top of filling layer is filled to the same elevation as the top of over-excavation replacement layer, geogrid is laid on the interface of original filling body and filling layer top surface, the laying width of geogrid on filling layer and original filling body is 10-15m, and new pavement is built on the top surface of over-excavation replacement layer and filling layer.The structure improves the overall stability and reliability of new pavement foundation, reduces post-construction settlement and uneven settlement, and ensures the safety of upper pavement structure.

The utility model discloses a kind of electric wire cable length measuring devices, including measurement base, the top of measurement base is fixedly connected with portal frame, the portal frame is installed with the measurement component for cable length measurement, the top of the portal frame and the position corresponding the measurement component is installed with the limiting component for the cable to be measured limiting, the both sides of measurement base top are installed with the guide component for the cable to be measured guiding, the measurement component includes measurement shaft rotatably installed on the portal frame, metering wheel is fixedly connected on the measurement shaft, the end of the measurement shaft is installed with encoder. The utility model realizes the self-adaptive limiting clamping of different thick and thin cable and the self-adaptive adjustment of cable tension, effectively improve the accuracy and stability of cable length measurement, while having the advantages of stable structure, reliable operation etc., and has wide application prospect in electric wire cable length measurement field.