19results about How to "Expand smoothly" patented technology

The utility model relates to the field of maintenance frame discloses a maintenance frame for lifting type industrial robot, including base, the top of base is provided with lifting assembly, the top fixed connection of lifting assembly has fixed platform, both sides of fixed platform all are fixedly connected with two connecting frames, the left side fixed connection of connecting frame has support frame, the bottom rotatory connection of support frame has support rod, the other end rotatory connection of support rod has support screw rod, the other end fixed connection of support screw rod has driven rod, the middle rotatory connection of driven rod has fulcrum rod, the side fixed connection of driven rod has adjusting rod. In the utility model, enhance platform stability, this design operation is simple, compact structure, can fixedly spread of extension board fast, is applicable to industrial maintenance scene etc, has the advantages such as smooth unfolding, locking reliable, strong bearing capacity, effectively promotes work efficiency and security.

The application discloses a folding method of a side airbag of a car seat, which comprises the following steps: step 1, laying the side airbag; step 2, folding the upper part of the airbag to the passenger side, and then folding the upper part upward to form a Z-fold; step 3, inserting the lower end of the airbag into a fold to form an inner plug structure, at this time, the airbag is folded into a long strip shape; step 4, laying the long strip-shaped airbag, and folding the X-direction front part of the airbag to the passenger side direction; step 5, continuing to fold the X-direction rear part of the airbag to the root of the gas generator in a Z-fold manner; and step 6, wrapping a cloth around the outer periphery of the folded airbag to maintain the shape. The application has a good guiding effect on a large amount of gas generated by the gas generator, can effectively guide the gas to rapidly inflate to the dummy arm direction, makes the airbag unfold to the passenger side of the dummy and be filled with the gas, and realizes the function of rapidly lifting the arm of the dummy.

The invention relates to the technical field of power transmission line construction equipment, in particular to a crossing vehicle for power transmission line construction, which comprises a first transport vehicle, a second transport vehicle and a crossing net assembly, and is characterized in that the first transport vehicle is provided with a first crossing frame through a first lifting arm; a second crossing frame is arranged on the second transport vehicle through a second lifting arm, and the second crossing frame can be detachably connected with the first crossing frame to form a closed crossing truss; the spanning net assembly can be connected with the first spanning frame or the second spanning frame to form a net structure covering the spanning truss; the stress adjusting mechanism is arranged in the spanning net assembly and used for adjusting the stress of the spanning net assembly. Automatic net blocking is achieved through the first transport vehicle, the second transport vehicle and the crossing net assembly, manual high-altitude and near-electricity operation is replaced, and the risks of electric shock and falling are eliminated. The first transport vehicle and the second transport vehicle work cooperatively, and the spanning frame building and net blocking efficiency is remarkably improved.

The utility model relates to the field of automobile safety air bags, and provides an automobile knee safety air bag which is characterized in that a cover cap covers an air bag assembly, the cover cap is provided with two turned-over edges, a tearing line is arranged at the joint of one turned-over edge and the cover cap, and long-strip-shaped pre-splitting holes are distributed in the tearing line, so that the strength of the cover cap is weakened, tearing in the explosion process is facilitated, and the air bag can be smoothly unfolded; the other turnup is connected with the cover cap through a plurality of hinges, and the joint is arc-shaped and thin, so that the cover cap is turned over smoothly and is prevented from being unhooked due to explosion impact; according to the utility model, the flanging is clamped with the Z-shaped mounting arm of the metal box body through the plurality of mounting grooves, the hinge abuts against the Z-shaped mounting arm, and the abutting block abuts against the Z-shaped mounting arm on the other side, so that the clamping stability of the Z-shaped mounting arms is ensured, and the metal box body and the cover cap are firmly mounted.

The utility model provides a kind of control cable processing with plastic extrusion device, it is related to cable processing equipment technical field, including preheating mechanism, the outer surface wall of preheating mechanism is provided with stirring mechanism, preheating mechanism includes extruder main body, the input end fixed communication of extruder main body has feed pipe.The utility model in, under the interaction of each component of preheating mechanism, realizes the efficient preheating treatment of plastic particles and additive, ensures that material and heating water are fully contacted and are evenly preheated, and this preheating treatment mechanism effectively avoids the problem that plastic particles appear local overheating or uneven heating in cylinder, promotes that plastic molecular chain is fully unfolded and mixes evenly, ensures the consistency of melting process, to significantly reduce the generation of bubble, block and other defects in extrusion process, greatly improves the processing quality and production efficiency of cable.

The application discloses a cord fabric unwinding and wrinkle removing device and a production method of an unwinding roller, and belongs to the technical field of cord fabric manufacturing. The unwinding and wrinkle removing device comprises an unwinding roller, a main hot moistening positioning roller and an auxiliary hot moistening pressing roller. Cord fabric on a cord fabric winding disc sequentially passes through the unwinding roller, the main hot moistening positioning roller and the auxiliary hot moistening pressing roller. The unwinding roller is used to apply a force to the cord fabric, so that the cord fabric is stretched along the width direction of the cord fabric. The main hot moistening positioning roller is used to moisten and fix the unwound cord fabric. The auxiliary hot moistening pressing roller is used to assist in moistening the cord fabric. The unwinding and wrinkle removing device integrates unwinding, setting and moistening. When the cord fabric is unwound, the unwound state can be fixed, and the cord fabric surface can be smoothed and wrinkle-free in time through moistening, so that the cord fabric is prevented from being stained with glue due to wrinkles.

The utility model discloses a folding magnetic attraction keyboard relates to the technical field of folding keyboard, including first keyboard board and second keyboard board, and the top surface one side of first keyboard board is equipped with silica gel pad, and the other side of second keyboard board is equipped with the connecting plate, and the connecting place of first keyboard board and second keyboard board is equipped with the folding subassembly, the utility model discloses through the cooperation between angle chain, first hinged plate, second hinged plate and sliding slot, can realize the smooth folding and unfolding of first keyboard board and second keyboard board, and can complete the folding and unfolding without complex operation, through the support of first hinged plate, second hinged plate, the structural stability of keyboard unfolding has been strengthened, avoids the occurrence of shaking in use, through the cooperation of positioning post and positioning slot, contact and connecting slot, can make the connecting plate with second keyboard board accurate butt joint, both guaranteed the stability of connection, realized the stable electric connection of both, ensured display lamp, touchpad and other components and keyboard main body collaborative work.

The invention discloses an aviation obstruction beacon and a remote monitoring system thereof, and relates to the technical field of aviation obstruction beacons, the obstruction beacon comprises a base, a lampshade is rotatably installed in the middle of the base, a light source assembly is arranged in the lampshade, and a first inlet and outlet and a second inlet and outlet are formed in the two sides of the upper end of the base respectively; an air blowing pipe is installed at the inlet and outlet in a sliding fit mode, a fan is rotatably installed at the bottom in the air blowing pipe, an air inlet is formed in the bottom of the air blowing pipe, and an air outlet is formed in the side wall, facing the lampshade, of the air blowing pipe. Through the telescopic structure, the air blowing pipe and the sweeping structure can be retracted into the base when working is not needed, and the situation that the air blowing pipe and the sweeping structure are exposed outside for a long time and damaged due to environmental influence is avoided; meanwhile, the retracted structure does not become a shielding object, it is ensured that lamplight can be transmitted without obstacles, and the aviation safety standard is met.

The utility model discloses a portable anti-toppling foldable ladder which comprises two rod bodies, a protection assembly is arranged on one side of each rod body, a folding assembly is arranged between the two rod bodies, and the problems that an existing ladder is insufficient in stability and inconvenient to store are effectively solved through mutual matching of the protection assemblies and the folding assemblies. The protection assembly adopts a meshing self-locking structure of a ratchet wheel, a pawl and an extension spring, automatic limiting can be achieved when the ladder is unfolded, the toppling risk caused by external force or operation shaking is prevented, the use safety is remarkably improved, meanwhile, the adjustable design of a first movable plate and a second movable plate is matched with limiting screw holes, the supporting stability is further enhanced, and the safety of the ladder is improved. The folding assembly is connected with the folding plate in a hinged mode through the rotating rod, the ladder is rapidly folded to be in an attached state, the occupied space is greatly reduced, carrying and storage are convenient, unfolding and folding operation is simplified through cooperation of a limiting bolt and an adjusting opening, and it is ensured that the folding process is smooth and the ladder is firm and reliable after being unfolded.

The application discloses a blood flow guiding dense mesh stent path planning method and device based on hemodynamics, equipment and storage medium, including reconstructing a three-dimensional blood vessel geometric model based on medical image data, performing hemodynamic simulation, and obtaining a blood flow velocity field; blood flow with a flow velocity higher than a flow velocity threshold is defined as a jet flow, and a spatial main path thereof is generated as a jet flow path, wherein the jet flow path is divided into a first jet flow path in a blood vessel near a tumor cavity, a second jet flow path in the tumor cavity, and a third jet flow path in a blood vessel far from the tumor cavity; a front sub-path is cut from the starting point of the second jet flow path as a jet flow compliance section, the first jet flow path, the jet flow compliance section and the third jet flow path are spliced in sequence, and an interpolation section is generated between the end point of the jet flow compliance section and the starting point of the third jet flow path based on the splicing result, forming a reference path for guiding blood flow guiding dense mesh stent implantation, thereby significantly reducing jet penetration flow and residual vortex.

This invention discloses a mechanical muscle device for an automotive collision dummy, relating to the field of automotive safety testing technology. It includes an end cap, a ball screw with both positive and negative threads, a screw nut, a shell flap, an active connecting rod, a pin, and a buffer structure unit. The buffer structure unit is mounted on the shell flap, and its lattice energy-absorbing core layer adopts one of the following: a beetle-inspired curved rib lattice structure, a chiral nested hexagonal structure, or a hexagonal FBCC structure. Through the mechanical coordinated drive of the ball screw with both positive and negative threads and the X-type scissor unit, the rotational motion of the servo motor is precisely converted into the radial expansion and axial contraction of the shell flap, accurately simulating the active tension and passive stretching of muscles during a collision. Compared to pneumatic or hydraulic solutions, this all-mechanical structure has the advantages of rapid response, high control precision, and no leakage risk, avoiding the instability of fluid components under high-speed impact, and significantly improving the bio-simulation of the dummy and the reliability of test data.

The folding bicycle reinforcing bottom support comprises at least four stand column lower fixing bases arranged in a rectangular mode and at least one bottom support assembly, each bottom support assembly comprises a middle support and a supporting rod unit movably connected between the corresponding stand column lower fixing base and the middle support, and each middle support comprises a connecting part; one end of the supporting rod unit far away from the column lower fixing seat is movably connected with the connecting part; by the adoption of the method, through the design of the sliding grooves, motion stroke difference compensation is achieved when the two non-parallel supporting rods are unfolded or folded; in the unfolding state, the top supporting rod abuts against the top of the connecting part, meanwhile, the bottom supporting rod abuts against the bottom side of the connecting part through the abutting device, an up-down dual-supporting structure is formed, stress is dispersed, the rigidity and the bearing capacity of the bottom support assembly are greatly improved, and compared with the prior art, the cost of a supporting frame is saved; in addition, compared with the prior art, the whole bottom support assembly can be smoother, and goods can be placed more conveniently.

The utility model discloses a stroller framework which comprises a bottom supporting frame, the bottom supporting frame comprises a first supporting leg and a second supporting leg, wheels are arranged at the lower end of the first supporting leg and the lower end of the second supporting leg, a first connecting base is arranged at the upper end of the first supporting leg, and the upper end of the second supporting leg is rotatably connected to the first connecting base around a first axis. The upper end of the bottom supporting frame is rotatably connected with a push rod assembly, and a linkage assembly capable of driving the first supporting leg and the second supporting leg to rotate and draw close to each other when the push rod assembly and the bottom supporting frame rotate and draw close to the bottom supporting frame is arranged between the push rod assembly and the bottom supporting frame. The seat frame and the first connecting base are rotatably connected around a third axis, and a transmission rod hinged to the seat frame and the push rod assembly and capable of driving the seat frame to rotate and draw close to the first supporting leg when the push rod assembly rotates and draws close to the bottom supporting frame is further arranged between the seat frame and the push rod assembly. The folding chair is simple in structure, flexible to fold and small in size after being folded.

The utility model provides a water-based glue spreading and homogenizing device for medical paper. The water-based glue spreading and homogenizing device comprises a supporting frame, a conveying belt, a glue spreading roller, a glue homogenizing roller and the like. The gluing roller is arranged above the conveying belt and is tangent to the conveying belt, and the gluing roller is connected with a glue supply unit; the glue uniformizing roller is located behind the glue spreading roller, is also tangent to the conveying belt and is driven by a glue uniformizing motor, and the glue uniformizing motor is electrically connected with the industrial control board. The glue uniformizing roller is formed by combining a plurality of glue uniformizing rings, and the glue uniformizing rings are arranged on the same rotating shaft and rapidly installed on the supporting frame through an electromagnetic lock structure. In addition, a special coating is arranged on the outer side of the glue uniformizing roller to optimize performance, and the glue supply unit is reasonable in design to ensure uniform glue supply. The whole system further comprises a drying tunnel used for heating treatment, and the gluing effect is improved. Through the unique structure and design, the medical paper water-based gluing uniformity and the working efficiency are effectively improved.

This invention discloses a geogrid laying and installation device and construction method, relating to the field of geogrid technology. It includes an installation frame with symmetrically arranged fixing plates on both sides inside the frame. Outer sleeves are symmetrically arranged at the top and bottom of both sides of the installation frame. Connecting rods are slidably connected inside the two sets of outer sleeves. An installation chamber is provided between the two sets of connecting rods. A connecting component is provided inside the installation chamber. An insertion hole is provided in the middle of one end of the installation frame. Clamping components are provided on both sides of one end of the installation frame. Arc-shaped grooves are provided at the top and bottom of one end of the installation chamber. This invention, through the cooperation of a moving rod, turntable, sleeve, hinge rod, and connecting pipe, allows the moving rod, turntable, and sleeve to move along with the installation frame during the adjustment of the positions of multiple sets of installation frames. This enables the multiple sets of installation frames to be better deployed while ensuring stability during movement.

The utility model discloses a noise reduction device for campus building construction, and belongs to the technical field of building construction noise reduction. A sound insulation mechanism is arranged in a groove of the U-shaped base, a first threaded hole is formed in the groove, first containing grooves are formed in the outer wall of the U-shaped base, a second buckle is fixed in each first containing groove, a fixing rod is placed in each first containing groove and clamped through the corresponding second buckle, and a threaded rod is fixed to one end of each fixing rod. The other end of each fixing rod is provided with a second threaded hole matched with the corresponding threaded rod, each threaded rod is used in cooperation with the corresponding first threaded hole or second threaded hole, and each fixing rod is used in cooperation with the sound insulation mechanism. Due to the characteristics of simple structure, convenience in mounting and dismounting, strong adaptability, easiness in maintenance, enhanced wind resistance, convenience in carrying and storage and the like, the problem that the noise of campus building construction affects the surrounding teaching environment and the normal life of students and faculty workers is effectively solved; and a feasible solution is provided for noise prevention and control of campus building construction.

The utility model relates to waterproof roll material technical field discloses a kind of waterproof roll material laying auxiliary devices, including bottom plate, the bottom plate front end is fixedly connected with mounting block, the bottom end four corners of the bottom plate are fixedly connected with universal wheel, the bottom end of the mounting block is fixedly connected with universal wheel, the top end of the mounting block is fixedly connected with handle, the right side of the top end of the mounting block is equipped with motor one, the drive end of motor one is fixedly connected with rotating shaft, the bottom end of the rotating shaft is fixedly connected with gear one, the outer wall of gear one is engagedly connected with gear two, the inner wall of gear two is fixedly connected with rotating rod. In the utility model, through motor drive rotating shaft, rotating shaft drives gear rotation, gear transmission is engaged between each other and drive gear plate linearly moves, gear plate is driven synchronous movement by connecting plate, realizes the cleaning function of cleaning plate to base surface, efficiently and conveniently complete base surface dust, dirt and so on cleaning work.

The utility model discloses a cutting platform for cutting a flexible circuit board, which relates to the technical field of electronic manufacturing, and comprises a cutting platform body, a collecting roller is rotatably arranged on one side of the cutting platform body, a protective film is wound on the collecting roller, a cutting area is arranged on the surface of the protective film, a traction assembly is arranged at one end of the cutting platform body, and the traction assembly is arranged on the other end of the cutting platform body. The traction assembly is connected with the free end of the protective film and used for driving the protective film to unfold and cover the working face of the cutting table body. The traction assembly can quickly and uniformly unfold the protective film through directional movement along the cutting table body, it is ensured that a cutting area accurately covers the preset cutting position of the flexible circuit board, the phenomena of wrinkles, deviation or local tension unbalance caused by manual laying are effectively avoided, and the alignment precision and the edge quality of laser cutting are remarkably improved.