43results about How to "Increase static friction" patented technology

The invention discloses a strong friction bionic surface suitable for smooth and rough surfaces and a preparation method, the strong friction bionic surface comprises a rigidity-variable epoxy shape memory polymer, the rigidity-variable epoxy shape memory polymer is structurally divided into three layers, namely a backing layer, an inclined micro-cylinder array and a smaller-size secondary micro-cylinder array from bottom to top, the backing layer is conveniently fixed on a heating substrate and transfers heat, and the inclined micro-cylinder array is low in rubber-state cylinder modulus in a normal contact stage, so that the inclined micro-cylinder array can be in conformal contact with a dual surface better; before sliding friction, the cylinder is switched to be in a glassy state, the modulus is high, deformation is small, the anti-shearing effect can be effectively improved, and damage caused by large deformation is not likely to happen; the second-stage micro-column array has low contact rigidity when being in contact with a smooth surface or a rough surface, can be well adapted to planes with different sizes of roughness, and is embedded with rough peaks to increase the contact area.

The utility model relates to the technical field of automobile engine shock absorption, and provides an engine gearbox shock absorber which comprises an aluminum support, a vulcanization body, an aluminum supporting arm and a nylon lower cover, the aluminum support is provided with an installation cavity, and the installation cavity is used for installation of the vulcanization body; top rubber is connected to the two sides of the vulcanization body and used for abutting against the inner side wall of the aluminum support. The aluminum support arm is connected with the vulcanization main body, the nylon lower cover is installed on the aluminum support and connected to the lower end of the vulcanization main body, and the nylon lower cover is used for enabling the upper end of the vulcanization main body to abut against the inner side wall of the aluminum support. The shock absorption effect of the shock absorber is improved.

The multi-section pressure-bearing type expansion anti-floating anchor rod structure comprises a foundation raft plate (2), an annular anchoring seat (4) is fixedly installed on a raft plate embedded part (3), and the multi-section pressure-bearing type expansion anti-floating anchor rod structure is characterized in that a cylinder body (5) is vertically arranged in a drill hole in the bottom of the anchoring seat (4); an anti-floating expansion structure (6) is arranged at the bottom of the cylinder body (5), or one or more anti-floating expansion structures (6) are arranged in the middle of the cylinder body (5) at intervals, an anti-floating anchor rod (10) is inserted into an inner cavity of the cylinder body (5), and an expanded cone frustum (11) is arranged at the bottom of the anti-floating anchor rod (10) and corresponds to the anti-floating expansion structure (6) located in the middle of the cylinder body (5). And collapse or caving of a soil layer around a pile hole is avoided when the long anchor rod is installed, the installation depth and the installation precision of the anchor rod are guaranteed, and the drawing resistance and the floating resistance are remarkably improved.

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.

A spherical vehicle stopping stone and movement limiting structure comprises a spherical vehicle stopping stone body and a sleeve, and a rod body extending downwards is arranged at the bottom of the spherical vehicle stopping stone body; the rod body at the bottom of the spherical vehicle stopping stone body is inserted into the sleeve, and the sleeve is placed into a road surface drill hole. The rod body on the spherical vehicle stopping stone body is inserted into the road surface, or is inserted into the sleeve arranged in the drill hole of the road surface, so that the spherical vehicle stopping stone is not easy to move, but the spherical vehicle stopping stone can be moved through mechanical equipment due to the adoption of an insertion limiting form; in addition, a rubber gasket can be arranged at the bottom of the spherical vehicle stopping stone body, self-leveling between the bottom of the spherical vehicle stopping stone body and the road surface can be achieved, and meanwhile the static friction force between the bottom of the spherical vehicle stopping stone body and the road surface can be increased.

The utility model relates to nut technical field, concretely is a kind of anti-vibration lock nut, including nut body, the end surface of nut body is provided with mounting ring two, the outer wall of mounting ring two, and the side close to nut body is provided with thread groove two, the outer wall of mounting ring two is equipped with the clamping block, and the thread groove two is threadedly connected with limiting component;The utility model is provided with mounting ring two, clamping block, limiting component and pressure component in the anti-vibration lock nut, and the mutual cooperation between above-mentioned structure in the process of device use, the static friction between elastic resistance piece and threaded rod is increased, effectively offsets the slackening tendency caused by vibration, realizes long-acting anti-loose, high reliability technical effect.

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 relates to the technical field of jack, and disclose a lateral swing formula jack stable support, including support board, set up in the support board bottom for improving the support frame of overall stability and install in the support frame bottom for increasing the contact area and friction of ground stable net, the support board is opened with a plurality of diagonal distribution's round hole, the edge of stable net is fixedly provided with at least three groups of the connecting ring that is circumferential array distribution, the connecting ring is used for fixing stable net and support frame, the center of stable net is opened with through -hole, a plurality of convex blocks are fixedly installed in the grid junction of stable net, the utility model discloses the support frame initiative anchoring ground through the unfolding, and combine large -area antiskid stable net, formed double security mechanism, effectively solved the difficult problem that traditional support is easy to sink, slip and overturn on the complex ground.

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 utility model relates to the technical field of monitoring equipment, and provides a monitoring camera mounting support which comprises a mounting plate and a mounting rod fixedly mounted on one side of the mounting plate and used for mounting a monitoring camera, and a mounting assembly capable of protecting the paint surface of the mounting rod is arranged on one side of the mounting plate. The mounting assembly comprises two sliding parts slidably mounted on one side of the mounting plate, and the opposite sides of the two sliding parts are each provided with two attaching plates. According to the utility model, through the arrangement of the mounting assembly, the assembly and disassembly between the camera and the mounting column are realized, and through the cooperation of the fitting plate, the fitting rotating shaft and other assemblies, the effect of unloading the extrusion force is realized, the situation that the exterior of the mounting column is painted due to overlarge extrusion force is avoided, and the function of protecting the mounting column is achieved; meanwhile, along with the enlargement of the included angle between the two fitting plates, the fitting area between the fitting plates and the mounting column also becomes larger and larger, so that the static friction force between the fitting plates and the mounting column is improved, and the mounting stability of the camera is improved.

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 invention belongs to the technical field of plastic processing and cooling, and particularly relates to a double-wall corrugated pipe processing device. The double-wall corrugated pipe machining device comprises a supporting frame, a water tank, a water tank, a water pump, a cooling bin, a supporting rod, an annular water pipe, a motor, a supporting mechanism and a spraying mechanism, the water tank is fixedly connected to the upper portion of the supporting frame, the water tank is fixedly connected to the lower side of the water tank, the water pump is installed on one side of the water tank, and the cooling bin is fixedly connected to the upper side of the water tank; a plurality of supporting rods are connected in the cooling bin front and back, and the annular water pipes are evenly and fixedly connected to the supporting rods. The supporting mechanism is installed on the annular water pipe, the spraying mechanism is installed on the supporting mechanism, and the motor is installed on the surface of the cooling bin. The supporting mechanism moves and rotates along with the double-wall corrugated pipe to drive the spraying mechanism to move up and down, it is guaranteed that the distance from a spray head to the pipe face is kept consistent all the time, cooling liquid is fully sprayed to the pipe face, and then the cooling effect of the double-wall corrugated pipe is guaranteed.

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 belongs to the technical field of spraying machines, and discloses a spraying machine for LED lampshade production, which comprises a base, a spraying main body, a spray head and a heating pipe, the spraying main body is arranged above the base, the base and the spraying main body are both provided with lifting holes, an electric push rod is arranged in the base and below the lifting holes, and the electric push rod is connected with the heating pipe. According to the spraying device, the spraying body, the base, the electric push rod and the like are arranged, when the spraying device is used, a lampshade is placed at the end of the electric push rod, the lampshade is driven to be embedded into the lifting hole along with downward movement of the electric push rod, the lampshade is placed in the lifting hole, and the spraying device is used for spraying the lampshade. According to the LED lampshade spraying device, the LED lampshades are dried and baked synchronously through the heating pipe below after being sprayed through the spraying head, and the problem that the previous spraying effect is affected due to the fact that the LED lampshades cannot be dried directly after spraying is completed through current spraying equipment is solved.

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 present invention provides a high-stability deep-sea single pile bottom stabilization structure, including a clamping stabilization component, the clamping stabilization component including a rectangular support block with openings at both ends, a circular block arranged on the upper side of the rectangular support block, four threaded holes arranged around the edge of the circular block at equal intervals, each threaded hole is meshed and connected with a locking threaded column, a rotating handle is arranged at one end of each locking threaded column, a clamping block is arranged at the end of each locking threaded column away from the rotating handle, each clamping block clamps the single pile, and a pre-embedded stabilization component is arranged on the lower side of the rectangular support block, the pre-embedded stabilization component includes a docking block, the upper side of the docking block is connected to the lower side of the rectangular support block, and the lower side of the docking block is provided with a pre-embedded anti-corrosion block. Through the present invention, the connection between the bottom of the single pile and the seabed can be strengthened, the stability is improved, and it can adapt to strong winds and deep sea areas. In addition, the structure is stable, the installation is convenient, the cost is low, and it is very practical.

The present invention discloses an elastic anti-reversal drug infusion device, comprising: an infusion structure, comprising: a drug storage cartridge for accommodating the drug to be infused, with a screw and a piston connected to the screw arranged inside; a driving wheel assembly comprising a driving wheel, a driving tube and a cover, and at least one elastic member is also arranged on the cover, abutting against the driving wheel assembly; a driving unit with a driving end, the driving end drives the driving wheel to rotate; a power component and a reset component connected to the driving unit; a control structure, the control structure is electrically connected to the infusion structure, and the control structure controls the power component to apply a force to the driving unit; and an adhesive patch for the infusion structure and the control structure to be attached to the skin surface. The elastic member can provide a variable elastic friction force within a certain range to better prevent the driving wheel from reversing, and the elastic member is arranged on the driving wheel cover, which can make full use of the internal space of the infusion device, and can also assist the driving wheel cover to elastically fix the driving wheel, thereby enhancing the user experience.

The present invention discloses a clamping mechanism and a die-casting machine, wherein the clamping mechanism comprises a clamping seat, a driving mechanism, a clamping component and a wear-resistant component. The die-casting machine comprises a clamping mechanism. The clamping component is driven by the driving mechanism to make a reciprocating motion close to or away from the wear-resistant component in a direction intersecting with the sliding direction of the clamping seat, and can maintain a close contact with the wear-resistant component by static friction when moving close to the wear-resistant component. When the movable platen and the fixed platen are in a mold closing state, the driving mechanism only needs to drive the clamping component to retract (or extend) toward the wear-resistant component so that the clamping component closely contacts the wear-resistant component fixed on the frame by static friction, thereby locking the movable platen on the frame; on the contrary, when the driving mechanism drives the clamping component to extend (or retract) away from the wear-resistant component, the clamping component is separated from the wear-resistant component, thereby releasing the clamping effect, making the structure of the clamping mechanism simple and compact, and facilitating its processing and manufacturing.

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.

The utility model discloses a fluid injection system and dispensing equipment, the fluid injection system comprises a valve shell, an injection piece, a locking cover and an elastic piece, and the valve shell is provided with a mounting hole; the spraying piece is installed in the installation hole in a sliding mode. The locking cover is connected to the valve shell in a threaded mode and presses the injection piece so as to prevent the injection piece from disengaging from the valve shell. The elastic piece is arranged in the valve shell and located on one side of the jetting piece, and the elastic piece is used for providing elastic force enabling the jetting piece to extrude the locking cover. According to the fluid injection system, the injection piece is installed in the installation hole in the sliding mode, the elastic piece is arranged to apply the elastic force to the injection piece to extrude the locking cover, and therefore the axial pressure between the locking cover and the valve shell can be improved, the positive pressure and the static friction force between the threads in threaded connection with the locking cover and the valve shell are improved, and the fluid injection efficiency is improved. The risk that the locking cover rotates and loosens relative to the valve shell due to impact of the opening and closing piece is reduced, the fluid injection system can adapt to long-time continuous operation, and the operation efficiency is improved.

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.