238results about How to "Reduce pulling force" patented technology

The embodiment of the invention discloses a rotating mechanism and a folding display terminal. The rotating mechanism comprises a rotating shaft; a first structural part provided with a first slidinggroove; a second structural part provided with a second sliding groove; a third structural part arranged in the first sliding groove, wherein one end of the third structural part is rotationally connected with the rotating shaft; the fourth structural part is arranged in the second sliding groove, and one end of the fourth structural part is rotationally connected with the rotating shaft; when thefirst structural part and the second structural part rotate around the rotating shaft, the third structural part slides relative to the first sliding groove, and the fourth structural part slides relative to the second sliding groove. Therefore, the pulling force of the first structural member and the second structural member on the flexible screen is reduced, and the flatness of the flexible screen is improved.

The invention provides a riveting and positioning fixture. The riveting and positioning fixture comprises a fixture body; two opposite sides of the fixture body are respectively provided with a plurality of rivet installation holes; one of the other two opposite sides of the fixture body is provided with a first positioning slide groove extending along a Y-axis direction, and the other of the other two opposite sides of the fixture body is provided with a second positioning slide groove extending along an X-axis direction; and a pin can slide in the first positioning slide groove and the second positioning slide groove and can be fixed at a designated position. The invention also provides a PCB riveting method, a manufacturing method for a PCB and the PCB. According to PCB riveting technology provided by the invention, riveting requirements of all standard jointed board products can be met only by manufacturing one riveting and positioning fixture, so production management is simplified; a pulling force generated in the riveting process can be effectively reduced, thereby avoiding scraping caused by dislocation and improving product yield; after pressing, rivets are drilled out through drilling, so the problems of board separation and delamination at positions where the rivets are located in later processing are overcome.

The invention discloses a vehicle warning device capable of automatically detecting a highway guardrail position. The vehicle warning device comprises a warning board and a warning board installation base, wherein the warning board installation base is provided with a power supply module, and the vehicle warning device also comprises a distance measurement module capable of measuring a distance from the warning board installation base to the highway guardrail position, and the distance measurement module is electrically connected with the power supply module. The warning board is high in arrangement speed, the intelligence degree is high, the manual intervention is reduced, the moving route is precise, the vehicle warning device can be well adaptive to the unfavorable weather condition and curve road conditions, the windproof performance is good, the warning board is flexible and diversified in transport way and is adaptive to different road conditions and weather situations, the warning board can be rapidly moved to a designated place, the warning board can be automatically restored after rolling over, and the cost is low.

The invention relates to a special type heat exchanger, in particular to a tubular evaporator with a stripper unit, which is used for alkali recovery work in papermaking industry. The evaporator of the invention is arranged in the middle in a shell, namely the position of an axis, a central circulating tube of which an inlet is positioned at the lower part is fixed by an upper tube plate and a lower tube plate, the top part thereof is provided with a fluid dispenser, each heat exchange tube is arranged around the central circulating tube, the central circulating tube is fixed with the upper and the lower tube plates in a welding manner, the lower part of the shell is provided with a chamber which is connected with a steam inlet and provided with an expansion section, the lower chamber wall of the chamber with the expansion section is fixed with the lower tube plate, the lower part of the chamber with the expansion section is connected with a separating chamber in which a demister is arranged, and the lower tube plate is provided with a condense sewage outlet.

An animal restraining apparatus having a belt positionable about a girth of an animal. A collar is positionable about a neck portion of the animal. A strap connects the belt to the collar. An elastic element is connected with respect to the strap to gather a portion of the strap to form an undulation in the strap. The elastic element is extendable with respect to the strap to remove the undulation. A second elastic element can be connected with respect to the collar to gather a portion of the collar to form an undulation. The second elastic element is extendable with respect to the collar to remove the undulation in the collar. In one embodiment of this invention, a leash guard is removably attachable to the belt and has a guide ring. A leash can be guided through the guide ring and a belt ring mounted on the belt, and attached directly to the collar.

A method for manufacturing corium fiber floss comprises the following steps: firstly, soaking the rim leftover of leather in water and fully expanding the rim leftover, secondly, removing water by dewatering centrifuges, thirdly, hammering the rim leftover into flocculent corium fiber agglomerate through corium cashmere-making machines, then opening the corium fiber agglomerate into corium fiber floss by needle roller opening devices, fourthly, drying, wherein the cashmere-making machines comprise shells, main axle(1)s, hammer carriers (2), hammer (7), bases (9), motors and actuating mechanism. ribs with gear form (5) are distributed on the whole inner-wall of the cylindrical surface of the shell, a plurality of weep holes (10) and a discharge hole are mounted on the lower portion of the cylindrical surface, and a can-be opened-and-closed discharging gate (11) is mounted on the discharge hole. Since the method separates the fiber with each other by hammering the leather after the leather is soaked and expended, then opening the fiber by the needle roller opening device, thereby, the manufacturing time is greatly reduced, the opening forces of opening machines are small, the damage is small, and the high quality corium fiber floss can be obtained.

The invention relates to a high-quality textile dyeing mechanism, which includes a frame, a transmission roller rotatably mounted on the frame, a spraying and dyeing assembly fixedly arranged above the transmission roller, and a rotatively mounted frame located on both sides of the transmission roller The cloth guide roller and the driving assembly that drives the transmission roller to carry out gray cloth transmission also include a smear assembly that is located on one side of the transmission roller and moves along its outer circumference. The first connecting rod connected to the driving assembly, the second connecting rod connected to the other end of the first connecting rod in rotation, the third connecting rod connected to the second connecting rod at one end and installed on the second connecting rod The smearing roller at the other end of the three connecting rods; the greige cloth is pre-dyed, dyed and polished, and then reciprocated on the conveying roller by the smearing roller to achieve wrinkle removal, color fixation and uniform dyeing of the greige cloth. The technical problems of uneven dyeing and easy fading in the background technology.

The invention relates to an expansion method and expansion equipment thereof of a thermal shrinkage pipe material with large caliber, aiming at overcoming the defects of very low expansion speed and low production efficiency caused by such a way that the existing thermal shrinkage pipe material with large caliber adopts a continuous expansion and continuous pipe shrinkage method during expanding. The invention provides an expansion method of a novel thermal shrinkage pipe material with large caliber and adopts the technical concept that expansion and pipe shrinkage are discontinuously carried out circularly; namely, the pipe shrinkage is not carried out at the time of the expansion and the expansion is not carried out at the time of the pipe shrinkage; pulling force to the pipe material can be greatly reduced at the time of the pipe shrinkage because the expansion is not carried out at the time of the pipe shrinkage, and two problems of cooling moulding and tensile deformation of the pipe material are solved; therefore, the expansion speed and the production efficiency can be enhanced lengthening an expansion mould; and simultaneously, the invention also utilizes the concept to design the corresponding expansion equipment, utilizes a time control switch and an electromagnetic valve to carry out discontinuous air suction and exhaust on the expansion mould, utilizes a stroke measurement control switch to control the pipe shrinkage length and realizes that two procedures of expansion and pipe shrinkage are discontinuously carried out circularly.

The invention discloses a fin ray-free amphibious propelling device with bionic undulating fins, which is characterized in that two end fixed type crankshaft swing rod transmission modules are arranged on corresponding bottom plates correspondingly, and the front ends and the rear ends of the two bottom plates are connected with a front waterproof steering engine amphibious mode switching module and a rear waterproof steering engine amphibious mode switching module correspondingly; the front and back waterproof steering engine land and water mode switching module is used for maintaining the state of the bottom plate; each end fixed type crankshaft swing rod transmission module is connected with one flexible fin-ray-free flexible fin through the corresponding drive swing rod mechanism, and the joint of each drive swing rod mechanism and the corresponding flexible fin-ray-free flexible fin is provided with a rotational degree of freedom to drive the fin surface of the corresponding flexible fin-ray-free flexible fin to achieve fluctuating motion. The problems that an existing amphibious robot is complex in transmission mechanism, complex in amphibious mode switching, large in wheel paddle driving noise, low in flexibility and large in environment disturbance, the movement speed of fluctuation fins driven by a conventional steering engine is low, and a traditional cam and crankshaft connecting rod mechanism is low in bearing capacity and cannot conduct amphibious movement are solved.

The invention relates to the technical field of a belt conveying device of a zipper belt drying machine, and provides an automatic zipper belt conveying machine, which comprises a first mounting frame (3) and a second mounting frame (9), wherein the first mounting frame (3) and the second mounting frame (9) are oppositely arranged, and are respectively provided with a driving rotary shaft (2) and a driven rotary shaft (10), the adjacent front ends of the driving rotary shaft (2) and the driven rotary shaft (10) are respectively and fixedly provided with a left jacking head (5) and a right jacking head (7), the driving rotary shaft (2) and the driven rotary shaft (10) are positioned on the same axis, and the driving rotary shaft (2) is driven by a servo motor (1). The automatic zipper belt conveying machine has the advantages that by matching with the drying machine, the automatic zipper belt conveying is realized, the speed of the drying machine is automatically matched, and the smoothness of zipper teeth is effectively improved; the water shrinkage state of the zipper belt is stabilized, the influence on splicing property of the zipper teeth is avoided, and a cloth belt is sufficiently protected.

The invention discloses a manufacturing process of high-strength circular-drawing six-angle steel. The manufacturing process route sequentially comprises the steps of preparation of a blank material,surface cleaning, tip rolling, annealing and solid solution, blank lubrication, cold drawing, straightening, polishing and quality inspection and packaging, wherein a lubricant used for lubricating the blank material is a mixture of liquid paraffin, metal nano-powder and graphene oxide, the diameter of a die hole of a cold-drawing die is 6-14 mm, and the width of a diameter-fixed belt is 5-8 mm. According to the manufacturing process, cold drawing is adopted after surface lubrication treatment, so that the machining efficiency is improved, and the industrial amplification production requirements are met; and meanwhile, the cold drawing die hole is reasonably set, so that the deformation requirement is met, the drawing force is small, drawing is stable, the deformation is uniform, the drawing die is uniformly abraded, the size and the surface smoothness of a cold drawing material are ensured, then the cold-drawn steel has relatively high surface smoothness, and the requirement for the surface quality of the cold-drawn steel in the aerospace industry is met.

The invention discloses a double-axis high-speed slitting machine for slitting tipping paper, and relates to a tipping paper processing device. The double-axis high-speed slitting machine aims to solve the problem that tight winding of narrow-width shrinking paper cannot be ensured under the condition of small pulling force. According to the technical scheme, the double-axis high-speed slitting machine for slitting the tipping paper comprises an unwinding device, a slitting device and a winding device, the slitting device comprises a main machine body, a traction roller, an upper knife group and a bottom knife group, the traction roller is connected with a traction motor, and the upper knife group is connected with a slitting motor; the winding device comprises a first winding group, a second winding group, a paper winding roller and a paper winding motor; and the first winding group and the second are of the same structure, and the first winding group includes a main shaft, a swing arm and a winding motor. According to the double-axis high-speed slitting machine for slitting tipping paper, a narrow-width material is clamped through a paper winding roller and a winding gas expansion shaft, and the winding tightness of the narrow-width material can be ensured only with small pulling force.

The invention discloses a safety inspection device for a river dam. The device includes a dam guardrail, a translation cavity with an opening facing the right is set in the dam guardrail, a translation block with a right end located in an external space is in the translation cavity, a connection block is fixed at a right end of the translation block, a moving block whose left end is at an upper end of the dam guardrail is fixed to an upper end of the connection block, a driving cavity is set in the connecting block, a translation mechanism capable of driving the translation block to move backand forth is set in the translation block, the translation block is internally provided with an inspection mechanism capable of inspecting the dam and providing lighting at night, and the driving cavity is internally provided with a transmission mechanism that can transmit the power of the translation mechanism to the inspection mechanism. The device can automatically complete a safe inspection ofthe river dam, the inspection efficiency is improved while labor is saved, the device also can work at night, the lighting is provided during the night work, and the inspection effect is ensured.

The invention discloses a disposable cableless remote control underwater explosive-handling robot and a design method thereof. The robot comprises a robot body and a communication buoy; the robot bodycomprises a detection head section, an electronic battery cabin section and a tail section; shells between the cabin sections are connected through flange plates, the two ends of the shell of the electronic battery cabin section are completely sealed, except the electronic battery cabin section, the other cabin sections are of water inlet structures, the tail section is detachably connected withthe communication buoy, and the communication buoy is in radio communication with a mother ship. The design method comprises the steps that S1, the overall appearance of the robot is designed, and a propelling device is arranged; S2, a functional sensor is designed; S3, related parameters of the robot are calculated; and S4, the communication buoy is designed; Experiments prove that compared witha traditional underwater explosive-handling tool, the robot designed through the method has the advantages of being long in control distance, small in size, light in weight, accurate in data transmission result and small in dragging force between the communication buoy and the robot body.

The invention discloses an efficient radiating dust-proof motor, and the structure thereof comprises a radiator, a main frame of the motor, a rotating shaft, a front cover, a through hole, a motor fixing seat, a hexagon socket screw, a junction box, a back cover, a commutator and a clamping block, wherein the left end of the main frame of the motor is fixedly connected with the right end of the front cover by screws, the left end of the main frame of the motor is perpendicular to the right end of the rotating shaft, the right end of the rotating shaft is mechanically connected to the inside ofthe main frame of the motor, the right end of the rotating shaft is connected with the middle end of the front cover, and the bottom of the main frame of the motor is fixedly connected with the rearend of the motor fixing base by the hexagon socket screw. The efficient radiating dust-proof motor provided by the invention effectively improves the effect of cooling and radiating by structurally setting a radiator and mounting an exhaust fan and an air suction fan, effectively reduces the wear between the parts by the mechanical transmission of the transmission device to reduce the pulling force, and reduces environmental pollution as the dust removing device may effectively humidify and filter the dust and exhaust gas generated by the motor during work.

The present invention provides a helical spring high pressure water pipe for a high pressure water cutting machine having multi-degree of freedom, wherein the water pipe belongs to a seamless metal pipe. From the output end of an ultrahigh pressure presser to the input end of a nozzle, the water pipe is winded with a helical spring structure at each joint position, and the axis of the helical spring structure is coincident with or parallel to or approximately parallel to the axis of the rotation or/and moving of the joint. The diameter or/and the number of loops of the helical spring structure is compatible with the rotation or/and moving scope of the joint. The water pipe is a stainless steel seamless pipe. With the helical spring structure, the high pressure water pipe can realize compatible angle change or length change while maintains the normal function of high pressure water conveying under the condition that the joint rotates or moves. The usage of the helical spring high pressure water pipe for the high pressure water cutting machine having the multi-degree of freedom can guarantee that the high pressure water pipe rotates or moves with the joint freely, no wear part exists, no leakage occurs, and technology performance of the high pressure water cutting machine having the multi-degree of freedom is improved.

The invention provides a thermosetting liquid optical adhesive composition and an application thereof; the thermosetting liquid optical adhesive composition is tested according to a GB/T 4509-2010 asphalt needle penetration determination method, and the needle penetration of the thermosetting liquid optical adhesive composition is 160-250 mm. The thermosetting liquid optical adhesive provided by the invention has proper needle penetration after being cured, is easy to repair, does not greatly fluctuate along with the influence of temperature, humidity, UV aging irradiation and the like, and has higher cohesion strength, better binding power and excellent binding power for a binding material of a display module.

The invention discloses a low-strength fiber stretch-breaking and slivering device. The low-strength fiber stretch-breaking and slivering device comprises a stretch-breaking device which is composed of multiple sets of stretch-breaking roller set and provided with a feeding end and a discharging end, a stretch-breaking area is formed between each set of the stretch-breaking roller set, each set of the stretch-breaking roller set is composed of a pair of stretching rollers and a pair of stretch-breaking rollers which are meshed with each other respectively, a stretch-breaking transition area is formed by the stretching roller and the stretch-breaking roller which are located between adjacent stretch-breaking roller sets, the stretching roller and the stretch-breaking roller are both composed of two roller bodies, and the size of the horizontal distance between the stretching roller and the stretch-breaking roller in the axial direction of the roller body in each stretch-breaking area is changeable. Through arranging tapered or trapezoid structure, the tractive force of the stretch-breaking areas is greatly reduced, the diameters of the stretch-breaking rollers are decreased, the distance of the stretch-breaking areas formed by the stretch-breaking roller sets is shortened, the distance between the stretching roller and the stretch-breaking roller can be set to be small enough, stretch-breaking can be conducted on short fiber with smaller cotton fiber level, and the production efficiency is greatly improved. The low-strength fiber stretch-breaking and slivering device has the advantages that the structure is simple and compact, the occupied area is small, the cost is low, and popularization and application are applicable.

The embodiment of the invention discloses a functional part, an attaching jig and an attaching method, the functional part comprises a target surface, the target surface is provided with a first profiling surface used for being attached to a to-be-attached part, the target surface comprises a first curved surface, a second curved surface and a third curved surface which are smoothly connected in sequence, the first curved surface and the third curved surface are located on the two sides of the second curved surface and extend in the first direction, the first direction is the direction, away from the second curved surface, of the first curved surface or the third curved surface, the first curved surface and the third curved surface are each provided with a concave contour groove extendingin the second direction, and the second direction is perpendicular to the first direction. According to the embodiment of the invention, the probability that the functional part is used for laminatingthe to-be-laminated part can be reduced, the pressure and the pulling force of the edge area of the to-be-laminated part can reduce the middle expansion amount of the functional part and reduce the laminating speed of the to-be-laminated part from the middle to the two sides in the laminating process, so that the problems of laminating bubbles and laminating cracks are avoided.

The invention discloses a dialysis tube fixing device for the nephrology department. The dialysis tube fixing device comprises a positioning part and a fixing part, the positioning part comprises a positioning block, binding bands, supporting rods, rotating ball fixing seats, a limiting screw and a rotating ball, a through hole is formed in the middle of the positioning block, and the binding bands are arranged on the two sides of the positioning block correspondingly. When a dialysis tube penetrates through a first arc-shaped channel of a first clamping block and a second arc-shaped channel of a second clamping block, the dialysis tube is bent in a certain arc shape, when bent to a certain extent, the dialysis tube is not blocked, thus using of the dialysis tube is not affected, but whenthe dialysis tube is bent in the certain arc shape, the contact area between the dialysis tube and the first clamping block as well as the contact area between the dialysis tube and the second clamping block can be increased, friction force is increased, thus the dialysis tube is fixed more firmly by the first clamping block and the second clamping block, and meanwhile, if large force is generatedcarelessly to involve the blood dialysis tube, a second locking block moves towards one side of a first locking block to clamp and lock the dialysis tube.

The invention provides a self-cleaning offshore solar connecting device which comprises a solar mounting plate used for mounting a solar panel, a magnetic stabilization floating mechanism used for supporting the solar mounting plate and a telescopic scraping mechanism used for cleaning a connecting structure, and the solar mounting plate is arranged on the magnetic stabilization floating mechanism. The telescopic scraping mechanism is arranged on the magnetically stabilized floating mechanism. The invention relates to the field of solar photovoltaics. According to the self-cleaning offshore solar energy connecting device, a special supporting structure is designed according to the problems that an existing solar panel is prone to parasitism of substances such as seaweed after being installed, unstable and prone to damage due to parasites and the like, the dynamic stability of equipment can be kept, and attachments can be removed; therefore, the problems that when a common ocean solar panel is installed, a large number of seaweeds and parasitic organisms are prone to being wound on a bottom connecting piece, the upstream area is increased, large dragging force is prone to being borne when sea waves are generated, a connecting structure is prone to being damaged, and cleaning is inconvenient are effectively solved.