26results about How to "Increase static friction" patented technology

This application relates to the field of fitness equipment technology, and provides a flexible, foldable rowing machine, comprising a rowing machine body, a modular track, and a seat. One end of the modular track is rotatably connected to the rowing machine body. The modular track consists of several track joints, and the joints are connected by bearings or universal joints, allowing adjacent track joints to bend relative to each other. The surface of the modular track has two parallel arc-shaped grooves. The bottom of the seat is rotatably connected to several rollers, each roller slidingly connected within one of the arc-shaped grooves. This application provides the advantage of convenient folding of the track.

The utility model discloses a caterpillar type crane counterweight beam, including rear counterweight tray and counterweight block group, is equipped with the placement platform of putting groove on the rear counterweight tray, and the counterweight block group that puts by the multiple counterweight block body stack is placed in the putting groove, and the bottom surface of counterweight block body is equipped with the gyro wheel convenient for transfer, and the top surface is equipped with the lifting ring for hoisting, and the nesting of wheel table and jack B, jack C, lifting ring and jack A realizes quick vertical alignment when stacking, and counterweight block body sets up the structure of embedding recess and convex part. This design improves the handling efficiency, hoisting accuracy and stacking stability of counterweight block body through modular nesting structure and multiple antiskid measures, effectively reduces the adjustment time and prevents the deviation caused by vibration.

The laser welding machine convenient to adjust comprises an installation frame and a welding head body, the interior of the installation frame is rotationally connected with a rotating block, the side face of the rotating block is provided with a rotation driving assembly, and the other end of the rotation driving assembly is arranged in the installation frame; and a fixed seat is arranged at the other end of the rotating block, and a rotating shaft is rotationally connected to the fixed seat. The rotary driving motor drives the rotary driving gear and the rotary gear to drive the rotary block to horizontally rotate in the mounting frame, so that the welding head body can be quickly and accurately positioned at any angle in the horizontal plane, complicated manual operation is not needed, a complicated gear transmission chain is driven by the angle driving motor, and the welding head body can be quickly and accurately positioned. And finally, the worm wheel rigidly connected with the welding head body is driven, fine adjustment of the pitching angle of the welding head body is achieved, manual fine adjustment is replaced by motor driving, and the precision and speed are remarkably improved.

The utility model discloses an angle-adjustable mobile phone support structure, and relates to the technical field of mobile phone supports, the angle-adjustable mobile phone support structure comprises a base, a carrier plate is arranged above the base, a clamping unit and an adjusting mechanism are respectively arranged above the base, the clamping unit comprises two first trapezoidal sliding blocks, the number of the first trapezoidal sliding blocks is two, and the adjusting mechanism is arranged on the carrier plate. The first trapezoidal sliding blocks are symmetrically arranged with the center of the carrier plate as the axis, and a circular limiting rod is arranged on one side of each first trapezoidal sliding block. A fixed plate is arranged below the carriage, and a sliding rod is arranged on the inner side of the fixed plate. By arranging the clamping unit, the two round limiting rods can clamp the mobile phone, the elastic force of the spring enables the round limiting rods to achieve self-adaptive clamping on the mobile phones of different sizes, looseness caused by different sizes of the mobile phones is avoided, the clamping effect on the mobile phone is improved, and then the safety of the equipment is improved.

The invention relates to the technical field of wiring harness installation, in particular to a sound module wiring device of a simulation cabin, and aims to solve the problem that wiring of a circuit board of a sound module in a narrow space is inconvenient. The device comprises an extending mechanism and further comprises a fixing mechanism, the fixing mechanism comprises two hemispherical shells, the two hemispherical shells are symmetrically installed on a fixedly-arranged barrel, the two hemispherical shells are jointly sleeved with a fixing ring, the fixing ring can swing around the center of a sphere formed by the two hemispherical shells, and a plurality of supporting rods are hinged to the outer wall of the fixing ring. The multiple supporting rods can make contact with an external object when swinging and being away from the fixing ring so as to fix the fixing ring, the two hemispherical shells can apply pressure to the inner wall of the fixing ring when being away from each other, and therefore the fixing ring can be locked to the hemispherical shells. According to the device, the end position of the wire harness can be conveniently adjusted, after the welding position is determined, the overall position of the device can be locked, and it is ensured that the welding position is accurate.

The utility model discloses a multifunctional medical kit for health management relates to medical tool technical field, including box and hinge, hinge fixed connection in the both sides of one end surface of box, hinge other end fixedly connected with the box door, the lower portion of box is provided with protection subassembly, the upper surface of box is provided with unfolding subassembly, and the inside of box is provided with accomodation subassembly. The utility model discloses, through setting protection subassembly, protection setting is below the box, sets up a plurality of self -locking universal wheel at the base bottom, facilitates to push the box and moves and uses, need not long -time hand to carry and moves and uses, improves the use convenience, and in the process of moving, protection subassembly can buffer the vibration, avoid the tool of placing in the box interior and produce displacement collision and be damaged, through setting accomodation subassembly, the placement accomodation space required to the tool of different sizes is adjusted flexibly, and the rubber pad of fixed mounting in the bottom surface in the placing groove can increase the static friction after tool placement, avoid the tool movement.

This utility model discloses an amorphous alloy three-dimensional wound core transformer, including an oil tank and a transformer body. A first sound-absorbing component is fixed on the inner wall of the oil tank. The transformer body includes a vibration damping mechanism, a clamping frame mechanism fixed on top of the vibration damping mechanism, a second sound-absorbing component fixed on the outer surface of the clamping frame mechanism, an amorphous alloy three-dimensional wound core mounted on the clamping frame mechanism via a pad mechanism, and coil windings wound on the amorphous alloy three-dimensional wound core. This utility model uses a structure in which the clamping frame mechanism and the pad mechanism cooperate to fix the position of the amorphous alloy three-dimensional wound core and the coil windings. The fixing method is stable, and the amorphous alloy three-dimensional wound core is suspended as a whole, avoiding direct transmission of vibration energy to the oil tank, which can reduce noise. Furthermore, this utility model also includes a vibration damping mechanism, a first sound-absorbing component, and a second sound-absorbing component, which can further reduce noise. This utility model is suitable for use as basic equipment for power transmission and distribution.

This utility model relates to the field of stacking device technology and discloses an anti-fog film stacking device, including a stacking frame, a pallet frame, and a bidirectional lead screw assembly. Several pallet frames are arrayed inside the stacking frame. Several slots are opened through the top of the pallet frame. A protective pad is provided on the top of the pallet frame. The protective pad is fitted and fixedly connected to the pallet frame and the slots. A set of side slots are opened through the outer sides of the pallet frame. In this utility model, the rolled anti-fog film tube is placed on the top of the pallet frame. The slots fit the curvature of the anti-fog film tube to position it. The protective pad on the top of the slot is made of silicone to increase the static friction between the film and the pallet, providing good anti-slip properties and preventing the film tube from sliding and shifting during transportation or stacking. The dual-axis motor is started, and the bidirectional lead screw is rotated synchronously by the dual-axis motor, driving the two side slides to move symmetrically laterally along the pallet frame.

This invention discloses a pneumatically protected electric chuck structure, comprising a fixed end and a rotating unit. The rotating unit includes a rotating base, an inner ring chamber, and an outer disk. The inner ring chamber is fixed to the rotating base and the outer disk on both sides, respectively. An electric power source assembly is installed in the fixed end, driving the rotating base to rotate on one side of the fixed end. A pneumatic control mechanism is fixed in the fixed end. An actuator is slidably installed in the inner ring chamber, comprising an actuator body and three sets of sliding blocks. The pneumatic control mechanism drives the actuator body to move laterally within the inner ring chamber. The actuator body, through the three sets of sliding blocks, drives three sets of jaw arms to move centered on the front side of the outer disk to clamp materials. This invention effectively utilizes pneumatic protection to improve the safety of electric chuck operation, significantly increases the upper limit of electric chuck rotation speed, and assists in achieving pneumatic emergency stop, effectively protecting the use of the electric power source.

The application relates to the technical field of mechanical precision detection, in particular to a rotating detection table for cross-roller bearing measurement, which comprises a shell, a fixed shaft fixedly connected to the bottom end of the shell, a V-shaped frame movably connected to the fixed shaft, a pull rod rotatably connected to the V-shaped frame, a supporting beam movably connected to the pull rod, a limiting plate fixedly connected to the upper end of the shell, a toothed plate slidably connected to the limiting plate, the toothed plate being fixedly connected to the supporting beam, a servo motor A fixedly connected to the upper end of the shell, the output end of the servo motor A being driven by a gear set to drive the toothed plate, a sliding rail fixedly connected to the bottom end of the shell, a servo motor B slidably connected to the sliding rail, a belt cylinder rotating shaft fixedly connected to the output end of the servo motor B, a friction belt fixedly connected to the belt cylinder, and a clasp fixedly connected to the friction belt. The V-shaped frame and the friction belt are used to prevent the outer ring from rotating circumferentially and moving eccentrically while ensuring the universality of the cross-roller bearing measurement, improve the rotating detection precision, and increase the height positioning function of the bearing axis.

The application belongs to the technical field of electrical components, and particularly relates to a fuse, which comprises a body, a cavity arranged in the body, a fuse core arranged in the cavity, an insulating shell, an arc extinguishing medium and a fuse body, the fuse body is encapsulated in the insulating shell, the arc extinguishing medium is filled in the insulating shell and wraps the fuse body, the fuse core is respectively provided with a main contact at two ends, the cavity is provided with a facing anti-deviation unit, the facing anti-deviation unit comprises a rotating shaft installed in the cavity and a winding roller installed on the rotating shaft, the winding roller is connected with a cable, the body is provided with a handle dismounting device, the handle dismounting device comprises a retaining guide block installed in the cavity, the retaining guide block is located at the top end of the fuse core, and a retaining guide cylinder is connected to one side of the retaining guide block close to the fuse core, so that a novice can conveniently replace the fuse body, the practical application limitation of the fuse is reduced, and the use effect is improved.

The application relates to the field of optical fiber winding, and discloses a mesh multi-core optical fiber winding device which comprises a rack, a winding component and a feeding assembly arranged on the rack, the winding component comprises a winding assembly, a first linear module and a driving assembly, the winding assembly comprises two movable supports, the opposite sides of the two movable supports are provided with rotating shafts, the opposite ends of the two rotating shafts are coaxially provided with winding shafts, the opposite ends of the two winding shafts are coaxially provided with side discs, the rotating shafts are in the shape of hollow shafts and are provided with avoiding openings on the outer circular surfaces, the guiding directions of the avoiding openings are parallel to the axial line directions of the rotating shafts, the rotating shafts coaxially have second lead screws inside, the movable supports are provided with movable discs outside, the inner annular surfaces of the movable discs are provided with support bodies, the support bodies are in threaded connection with the second lead screws, the support bodies are in sliding guiding cooperation with the avoiding openings, the side of the movable disc facing the winding shaft is provided with a limiting lug, and the limiting lug is made of elastic material.

The utility model discloses a kind of electric connectors, it is related to connector technical field, wherein, electric connector includes: male end, including first shell;Female end, including second shell;And first electric connection component, including spring and tubular conductor, one of spring and tubular conductor is located in the inside of first shell, the other is located in the inside of second shell;Wherein, first shell is inserted into second shell, so that spring and tubular conductor abutment realizes electric connection, and spring produces radial force applied to tubular conductor along tubular conductor.The technical scheme provided by the utility model provides a kind of electric connector, and male end and female end are closely connected, not easy to loosen.

The application relates to the technical field of unmanned aerial vehicle (UAV) landing infrastructure, and discloses a relay type UAV landing apron and a control method thereof. The landing apron comprises a lower base, a rotating landing platform arranged above the base, and a fixed support frame surrounding the rotating platform, and a plurality of sets of positioning and fixing mechanisms are arranged on the frame in the circumferential direction. The rotating platform is configured to automatically rotate to calibrate the direction of the UAV after the UAV lands according to the recognized body direction. Each set of positioning and fixing mechanisms comprises a first driving member for vertical direction driving and a second driving member for horizontal direction driving. Through the design of the rotating landing platform and the positioning and fixing mechanisms, the UAV can be subjected to automatic identification control for direction calibration, position alignment, the problems that the existing landing apron lacks emergency landing preparedness, cannot calibrate the body direction and fix the body, and the like are effectively solved, and the UAV in flight can be provided with safe, emergency landing prepared, accurate calibration, lossless fixing and efficient services.

This utility model discloses a dental floss pick, including a handle for the user to hold; a floss holder disposed at one end of the handle, with two relatively spaced support arms at the end of the floss holder away from the handle; dental floss fixed between the two support arms; and the dental floss including two first segments placed within the two support arms and a second segment connected between the two support arms; the first segments have a non-linear orientation within the support arms, while the second segment has a linear orientation. The non-linear orientation of the first segment in this utility model increases the contact area and friction between the dental floss and the support arms, improving the stability of the dental floss and preventing it from loosening during use.

The utility model provides a kind of stable ground gripping type concrete pipe pile, the stable ground gripping type concrete pipe pile includes pipe pile body, by C50 and above strength grade concrete pouring, outer diameter is 0.8-1.5 meters, wall thickness is 100-250 millimeters;Ground gripping part, set in the bottom end of pipe pile body, the ground gripping part is conical tip, tip surface is equipped with helical groove, groove depth is 10-30 millimeters, pitch is 50-150 millimeters;Longitudinal main reinforcement, along the circumferential uniform distribution of pipe pile body inner wall, the longitudinal main reinforcement is HRB400 grade reinforcing bar, diameter 20-32 millimeters, interval is 80-150 millimeters;Outer wall ground gripping texture, along pipe pile body outer surface axial distribution, the texture is trapezoidal projection, height is 5-15 millimeters, width is 20-50 millimeters, adjacent projection interval is 30-80 millimeters. By optimizing bottom ground gripping structure, outer wall texture design and internal strengthening scheme, the penetration efficiency of pipe pile, displacement resistance and connection reliability are significantly improved.

The utility model discloses a hospital transfer flat car bed pad antiskid device, aims at solving the problem of easy sliding of transfer flat car bed pad, poor effect of antiskid device and the like, the device is composed of multiple PVC antiskid strips, the middle part of its upper end face is provided with protruding structure in parallel progressive sawtooth shape, the lower end face is provided with adhesive layer as a whole, multiple PVC antiskid strips are horizontally and interval pasted and arranged in the upper middle part of hospital transfer flat car bed plate, which adopts environment-friendly PVC material, and does not have formaldehyde and other irritating harmful gas, and meets the safety and environmental protection requirements of hospital. The antiskid strip has excellent performance, can keep excellent tackiness in the temperature range of -30 DEG C to 200 DEG C, also has fireproof and flame-retardant performance, and can adapt to the complex environment of hospital. Meanwhile, after the installation of PVC antiskid strip, the effect of steady stopping and smooth moving is achieved, through the control of static friction and kinetic friction, the antiskid property in static state and the smoothness in translation are realized, the demand in emergency department scene is met, and the utility model has higher practical value.

The invention relates to the technical field of cable test detection, and discloses a cable test detection device, which comprises a base, two groups of fixed seats, a stroke measuring scale, an air cylinder, two groups of guide columns and a guide protection unit. According to the cable test detection device, the interception assembly is arranged, arc-shaped covers distributed in a circumferential array form a stable tubular protection area on the periphery of a stretching cable, it is ensured that linear motion of the stretching cable does not deflect through cooperation of a guide frame and a T-shaped block, and meanwhile movable arc-shaped plates are arranged in the arc-shaped covers; when the broken end of the cable and fragments rebound and fly under huge energy at the moment of breakage of the cable, the multi-direction arc-shaped cover structure and the movable arc-shaped plate on the opposite side jointly form a dynamic closed buffer ring, and splashing objects are intercepted and restrained in a limited protection space. The safety risk problems that an existing test device easily causes personal injury to operators, precision measurement equipment is damaged by collision and data accuracy is interfered are solved.

The invention belongs to the technical field of kitchen appliances, and discloses a sealing ring and a gas stove. The sealing ring is used for the gas stove, the gas stove comprises a panel and a water pan, the water pan is stacked on the panel, the sealing ring comprises an annular sealing part, and the sealing part can be clamped between the water pan and the panel. A plurality of adsorption holes are formed in the surface of the side, facing the water pan and / or the surface of the side, facing the panel, of the sealing part. The adsorption holes are formed in the sealing part, so that the sealing part can deform when being extruded, gas in the adsorption holes flows outwards, vacuum is formed in the adsorption holes, a water pan or a panel is adsorbed, static friction force can be greatly increased, and the sealing effect is improved on the basis that the original waterproof function is reserved. And the panel is prevented from slipping in the using process after the water pan is locked, so that the water pan and the panel are effectively prevented from moving relative to each other, the overall performance and the using safety of the gas stove are improved, and the using experience of a user is improved.

The utility model discloses a kind of military defense board, including shield, fixedly set in the base block of shield inside and L type handle, the L type handle is located in the side of base block horizontal direction, the side of base block away from shield is slidably connected with I-shaped sliding block, the side of I-shaped sliding block away from base block is fixedly connected with U type limiting rod, the side of base block away from shield is equipped with the transverse setting sliding slot, the I-shaped sliding block one end is slidably arranged in the sliding slot, the I-shaped sliding block can be along the transverse horizontal movement of sliding slot to realize the position adjustment of U type limiting rod. In the utility model, by setting movable I-shaped sliding block on the surface of base block, the position of U type limiting rod can be adjusted, and the position is locked using bolt, so that U type limiting rod is adjusted to the elbow of soldier, forms limiting structure, greatly improves static friction, reduces the possibility of forearm and U type limiting rod slip.

This invention belongs to the field of glass edging technology, specifically referring to an edging processing device for glass edge treatment. It includes a grinding replacement mechanism, a position sensing component, a tool adjustment component, a belt adjustment component, a belt feeding component, a water tank lifting component, and a leaning support. The grinding replacement mechanism includes a cutter head assembly, a self-locking drive component, and a self-locking grinding head assembly. The cutter head assembly is mounted on the self-locking drive component, and the self-locking grinding head assembly is mounted on the cutter head assembly. This invention achieves cyclic selection of the grinding wheel through the shape matching of the butterfly output head and the butterfly groove. To overcome the technical contradiction that the rotational resistance of the grinding shaft cannot be too large or too small, this solution proposes a rubber ring with fins. A slight reverse rotation when the grinding shaft disengages from the butterfly output head causes the fins to deform and accumulate elastic force, thereby maintaining the position of the grinding shaft in a non-selected state.

The utility model discloses an assembly type stool core and a waist stool, the assembly type stool core comprises a supporting body and a sitting body, the supporting body and the sitting body abut against each other, and the abutting surfaces of the supporting body and the sitting body are connected through a concave-convex connecting structure; the concave-convex connecting structure comprises a convex part and a concave part which are arranged on the supporting body and the sitting body respectively, the cross section of the convex part and the cross section of the concave part are matched in shape, the convex part comprises a convex head part and a concave neck part, and the convex head part extends in the normal direction of the abutting face and is arranged on the upper side and / or the lower side of the convex head part in a convex mode relative to the concave neck part. The device is simple in structure, easy to implement and convenient to assemble and disassemble.

The application provides a lift top wheel damping device, which comprises: a first damping layer and a third damping layer which are symmetrically arranged and respectively tightly attached to the bottom surface of an upper beam and the top surface of a base; a second damping layer embedded between the first damping layer and the third damping layer and a buffer device embedded in the inside of the first damping layer and the third damping layer; wherein the buffer device comprises: a first bottomless outer cover with the top surface facing the bottom surface of the upper beam and the top surface of the base; a first topless outer cover with the top surface covering the side wall of the first bottomless outer cover and the bottom surface close to the second damping layer; and a damping spring arranged between the first bottomless outer cover and the first topless outer cover. The lift top wheel damping device divides the traditional damping pad into three layers, and sets the buffer device with the damping spring in the inside of the first layer and the third layer, so that the damping spring in the compression state drives the recovery of the damping pad, and the buffer device covered by the damping pad limits the shaking of the damping spring, thereby increasing the stability.

The application discloses a hydrostatic guide rail and a turning center. The turning center comprises the hydrostatic guide rail, which comprises a guide rail, a sliding block, a bearing table and an oil supply mechanism. The sliding block is slidably arranged on the guide rail. An upper hydrostatic cavity is arranged between the top of the sliding block and the guide rail. A lower hydrostatic cavity is arranged between the bottom of the sliding block and the guide rail. A side hydrostatic cavity is arranged between the sliding block and the guide rail. The bearing table is fixed to the top of the sliding block. The bearing table is provided with a first oil supply channel and a second oil supply channel which are independent of each other. The first oil supply channel is in communication with the upper hydrostatic cavity. The second oil supply channel is in communication with the lower hydrostatic cavity. The oil supply mechanism is in communication with the first oil supply channel and the second oil supply channel. The hydrostatic guide rail and the turning center solve the problem of high cost of the hydrostatic guide rail brake in the prior art.

This invention discloses a device for fixing and trimming autologous bone grafts for dental implants, belonging to the field of dental medical device technology. The device includes a first clamping arm and a second clamping arm; the first and second clamping arms are hinged together by fasteners to form a scissor-like lever structure; the first clamping arm includes a first gripping part and a first clamping section, the first clamping section being connected to a positioning frame; the second clamping arm includes a second gripping part and a second clamping section; the second clamping section is connected to a movable pressure plate; the positioning frame and the movable pressure plate are arranged opposite to each other and together enclose a bone placement cavity for accommodating and fixing the autologous bone graft. This invention adopts an integrated design, integrating four core functions—stable clamping, anti-slip fixation, precise cutting guidance, and pre-positioning of bone screw holes—into a single handheld instrument, achieving a "one-stop" precise, efficient, and stable preparation from bone graft to ready-to-use bone graft.