10results about How to "Solve vulnerable" patented technology

The utility model discloses an ultrasonic rolling welding head, an acoustic assembly and a welding device, and belongs to the technical field of welding. The welding head comprises a vibration input positioning part, a middle node installation positioning part, an outer side pressurizing part and a vibration output part which are arranged in sequence, the vibration input positioning part, the middle node installation positioning part and the outer side pressurizing part are installed on an acoustic assembly, the vibration input positioning part is used for receiving vibration, and the outer side pressurizing part is used for receiving static pressure. The vibration output part is used for outputting vibration. The vibration input positioning part, the middle node installation positioning part and the outer side pressurizing part are installed on the acoustic assembly, the outer side pressurizing part of the welding head is located at the position close to the vibration output part, the outer side pressurizing part receives static pressure, and the static pressure can be directly input to the position, close to the vibration output part, of the welding head; the problem that in the prior art, a welding head and an acoustic assembly are prone to damage is solved.

A metal roof bottom plate high-altitude carrier comprises a frame structure, a top end axis, a roller bearing, a roller and a safety hook, the frame structure is connected with the top end axis, the end of the roller is connected with the roller bearing, the roller bearing is connected with the top end axis, and the safety hook is connected with the top end axis. Compared with the prior art, when the bottom plate of a plant with a double-layer profiled metal roof and larger length and width is horizontally transported, the carrier is used for replacing the traditional transportation mode, so that the problems that the high-altitude bottom plate is difficult to transport, the safety measure is inconvenient and the transportation efficiency is low are solved; and the problem that the bottom plate is easily damaged in the transportation process is solved, and the quality is improved.

The utility model relates to spinning equipment technical field, concretely is a kind of automatic doffing creel lifting mechanism, it includes: shell, one end of shell is fixedly connected with servo motor, the output end of servo motor passes through one end of shell and is fixedly connected with shaft coupling, one end of shaft coupling away from servo motor is fixedly connected with screw rod, and the other end of screw rod is rotatably connected in one end of shell;The outer surface of screw rod is connected with sliding table by screw thread, and one side of sliding table is fixedly connected with mounting plate and cylinder, slot is set up in sliding table interior, and cover is slidably connected in slot, and both ends of cover are fixedly connected in both ends of shell interior;Servo motor rotates and drives screw rod to rotate, under the action of screw rod and guide rail, sliding table can move up and down, the upper supporting plate and push plate can receive creel, after being moved to specified position with sliding table drive together, cylinder drives push plate and pushes out creel, solve the problem of low doffing precision, yarn cylinder is easily damaged or posture is bad.

The application discloses a winding framework, a cake coil and a transformer, comprising at least one annular framework unit, the annular framework unit having a first axial end and a second axial end, the first axial end being provided with a first spiral groove, the second axial end being provided with a second spiral groove, the first spiral groove being provided with a first positioning port for positioning a winding start end of a first wire cake, the second spiral groove being provided with a second positioning port for positioning a winding end of a second wire cake, a cake-to-cake turning opening being arranged at a position where the first spiral groove and the second spiral groove are connected, and the cake-to-cake turning opening being used for bending a winding tail end of the first wire cake to a winding start end of the second wire cake. The winding framework can realize the winding of positive and negative cakes without the cake turning operation, the winding is very simple, the production efficiency is significantly improved, and in addition, the bending operation of the wire is greatly reduced due to the cake turning operation, and then the risk of internal wire breakage damage is reduced.

The utility model discloses a heavy pressing unit for an edge banding machine process, which comprises a fixed frame, a horizontal advance and retreat adjusting mechanism is arranged at the top of the front side of the fixed frame, a small pressing wheel cylinder adjusting mechanism, a large pressing wheel pressing mechanism and a small pressing wheel pressing mechanism are arranged at the top end of the fixed frame, and the horizontal advance and retreat adjusting mechanism comprises a screw rod bearing seat. A position displayer is fixedly arranged on one side of the lead screw bearing seat, an adjusting lead screw is arranged on the side, away from the position displayer, of the lead screw bearing seat, a lead screw nut is arranged on the surface of the adjusting lead screw in a threaded mode, and a plurality of first adjusting screws are arranged in the middle of the mounting plate in a threaded mode. And through cooperative arrangement of the wool felt, the large pressing wheel glue scraping piece and the small pressing wheel glue scraping piece, glue left on the surfaces of the large pressing wheel body and the small pressing wheel body can be automatically cleaned, and the situation that the glue stains an edge sealing belt or the surface of the pressing wheel is uneven after hardening, and consequently the plate face is prone to being damaged in the pressing and pasting process is avoided.

The invention discloses an atomization assembly, an atomizer and an electronic atomization device. The atomization assembly comprises a porous base body and a heating element. The porous base body comprises a top face, a bottom face opposite to the top face and a circumferential outer side face located between the top face and the bottom face. The heating element is at least partially arranged on the circumferential outer side face of the porous base body, the heating element comprises a first part, the first part surrounds the circumferential outer side face, and the first part comprises a first electric connection part and a second electric connection part which are mutually spaced on a surrounding path, and a first heating part and a second heating part which are mutually spaced; the two ends of the first heating part are correspondingly connected to the first electric connection part and the second electric connection part, and the two ends of the second heating part are correspondingly connected to the first electric connection part and the second electric connection part. Through the arrangement, the problem that in the prior art, aerosol of an atomization assembly is prone to loss can be solved, and the atomization taste is improved.

The invention discloses a cathode-free solid-state battery based on a multi-hydrogen-bond polyurethane polymer and a preparation method, and belongs to the technical field of solid-state batteries. The negative-electrode-free solid-state battery comprises a positive electrode, an electrolyte layer and a copper foil current collector, wherein a polyurethane polymer with multiple hydrogen bonds is introduced into the electrolyte layer. The polyurethane polymer with multiple hydrogen bonds forms a dynamic cross-linked hydrogen bond network through a plurality of hydrogen bond donors and hydrogen bond receptors contained in a molecular chain, and has an excellent self-repairing function. The polymer is introduced into an electrolyte layer, real-time protection and repair of an electrolyte-electrode interface are realized by utilizing the self-repairing characteristic of the polymer, generation and expansion of interface cracks are effectively inhibited, and a more uniform and stable electrolyte / copper foil interface is constructed. And the uniform interface can guide lithium to be uniformly deposited on the surface of the copper foil current collector, so that the growth of lithium dendrites and the generation of dead lithium are avoided, and the coulombic efficiency, the rate capability and the long cycle stability of the negative-electrode-free solid-state battery are remarkably improved.

The invention discloses a water-hammer-resistant PVC-M irrigation pipe and a production process thereof, and relates to the technical field of pipeline processes. The production process of the water-hammer-resistant PVC-M irrigation pipe comprises the following steps: step S1, preparing raw materials; step S2, performing granulation; step S3, extrusion molding; step S4, cooling and shaping; s5, traction cutting is conducted; step S6, inspection; step S7, packaging: in the step S1, the raw materials comprise a base material, a modifier and an auxiliary agent; wherein the base material comprises polyvinyl chloride (PVC), and the modifier comprises chlorinated polyethylene (CPE); the auxiliary agent comprises heavy calcium carbonate, an acrylate processing agent ACR, titanium dioxide, a calcium-zinc stabilizer and a lubricant. The production process of the water-hammer-resistant PVC-M irrigation pipe is good in impact resistance, the core toughening material is modified, so that the pipe has high impact resistance, the water-hammer-resistant effect is achieved, the problem that the pipe is prone to damage in the construction and installation process is solved, construction loss is reduced, more construction schemes are met, and the water-hammer-resistant capacity is remarkable.

The invention discloses an operation tool quick-changing device and an engineering vehicle thereof. The operation tool quick-changing device comprises a turbine and worm assembly, a locking oil cylinder and an electrical wiring harness, and a camera is arranged at the end of the electrical wiring harness; a worm wheel of the worm wheel and worm combination comprises a worm wheel I and a worm wheel II, a worm comprises a worm I and a worm II, the worm I and the worm II are both driven by a built-in motor, the two sets of worm wheels and worms are meshed through gears, the driven worm wheel is driven by the worm to rotate around the fixed center line of the worm wheel, and the driven worm wheel is driven by the worm to rotate around the fixed center line of the worm wheel. The operation tool of the quick-change device can rotate around the axis X of the worm gear I and the axis Y of the worm gear II, and the operation tool can be replaced by adjusting the front-back swing of the operation tool and the direction of the rotary oil port. Through the combination of the worm gear, the worm and the locking oil cylinder, 360-degree rotation of the quick change device is achieved; a mounting combination surface with a wedge-shaped structure and an additional monitoring device are adopted; a control oil path of a working tool is built in.

The utility model discloses a refrigeration equipment filter screen cleaning device which comprises a cleaning box and an observation window arranged on the side wall of the cleaning box and further comprises lifting assemblies, a positioning cleaning assembly and a vibration assembly, the lifting assemblies are arranged on the two sides of the cleaning box, the positioning cleaning assembly is arranged above the cleaning box, and the vibration assembly is arranged above the cleaning box. The utility model belongs to the technical field of filter screen cleaning, and particularly relates to a filter screen cleaning device for refrigeration equipment, which solves the problems that the existing filter screen of the refrigeration equipment is cleaned manually for a long time, the hands of workers are easy to damage, and the health of the workers is not facilitated. And meanwhile, the filter screen cleaning efficiency of the refrigeration equipment is low.