13results about How to "Guaranteed stretch" patented technology

The invention provides a waist exoskeleton robot based on serial elastic drivers, and relates to the technical field of medical robots. The waist exoskeleton robot comprises two binding pieces, namely a lower binding piece and an upper binding piece arranged above the lower binding piece; the four series elastic drivers are arranged in a bilateral symmetry mode in pairs, the upper end of an upper connecting rod of each series elastic driver is rotatably connected with the waist protection plate of the upper binding piece, and the lower end of a lower connecting rod of each series elastic driver is rotatably connected with the waist protection plate of the lower binding piece. The device has the beneficial effects that the four elastic drivers connected in series generate upward driving force to jointly drive the upper binding piece and the lower binding piece to generate upward traction force, so that an upward traction effect is generated on the lumbar vertebra, and the lumbar vertebra is stretched in a standing posture and a sitting posture; waist muscle movement is simulated to achieve traction rehabilitation or rehabilitation exercise prescription training of the waist of the human body, the four series elastic drivers form a parallel mechanism, and the portability of the parallel waist exoskeleton is improved.

The present invention relates to a powder-liquid double-chamber bag aluminum film welding production line, which mainly includes a frame, an aluminum film feeding device, an aluminum film welding device, a bag conveying device and a punching device, and also includes an aluminum film inflation device, the aluminum film welding device includes a top welding device and a side welding device arranged in sequence, wherein: the top welding device is used to weld the two opposite sides of the aluminum film parallel to the bag conveying direction, so that the aluminum film forms a cylindrical shape with closed two sides and front and back openings; the aluminum film inflation device is arranged between the bag body and the aluminum film, and the inflation port of the aluminum film inflation device extends to the entrance of the side welding device; the side welding device is used to weld the other two sides of the aluminum film, so that the aluminum film and the bag body form a closed chamber, and seal the inert gas filled by the aluminum film inflation device; the bag conveying device is used to continuously convey the bag body and the aluminum film. The present invention can continuously weld the aluminum film, realize the efficient and high-quality welding of the inflatable aluminum film, and has high production efficiency and good product quality as a whole.

This utility model relates to the field of urban greening technology, and more particularly to a roadside green landscape belt for urban planning. The technical solution includes: a water storage tank is provided below the planting trough; a baffle is rotatably installed at the top of the planting trough via a hinge; the planting trough and the water storage tank are connected by a perforated plate, and fiber absorbent rods are inserted into the perforated plate. The fiber absorbent rods draw water from the water storage tank into the planting trough through capillary action, providing moisture for the plants in the planting trough; troughs are formed at both ends of the planting trough, and these troughs are connected to the water storage tank. A float is provided in the water storage tank, and a push rod is provided on the float. The push rod is movably connected to the baffle via a rotating seat. When the float moves up and down within the water storage tank, the float pushes the baffle to flip open via the push rod. This utility model achieves automatic opening and closing of the baffle according to the water level, precisely controlling the environment, creating suitable conditions for plant growth, and improving the efficiency of the green landscape belt.

The present invention provides a waist exoskeleton robot based on a series elastic driver, which relates to the technical field of medical robots: comprising: two binding parts, namely a lower binding part and an upper binding part arranged above the lower binding part; and four series elastic drivers, the four series elastic drivers are arranged symmetrically in pairs, and the upper end of the upper connecting rod of each series elastic driver can be rotatably connected to the waist guard plate of the upper binding part, and the lower end of the lower connecting rod can be rotatably connected to the waist guard plate of the lower binding part. Beneficial effects of the present invention: the four series elastic drivers generate an upward driving force, which jointly drive the upper binding part and the lower binding part to generate an upward traction force, thereby generating an upward traction effect on the lumbar spine, ensuring the stretching of the lumbar spine in standing and sitting states, simulating waist muscle movement to achieve traction rehabilitation or rehabilitation exercise prescription training of the human waist, and the four series elastic drivers form a parallel mechanism, which improves the portability of the parallel waist exoskeleton.

The application discloses a seat device and a seat, the seat device comprises a base assembly, a leg assembly, a back assembly, a first movement assembly and a second movement assembly, the seat device has a sitting state, a TV state and a lying state, when the seat device switches between the sitting state and the TV state, the first swing component rotates relative to the movable base and drives the leg assembly to stretch or contract, the second swing component is relatively static with the movable base, and the angle of the movable base and the back assembly is unchanged; when the seat device switches between the TV state and the lying state, the first swing component is relatively static with the movable base, the leg assembly is stretched, the second swing component rotates relative to the movable base, and the movable base and the back assembly are adjusted in angle; the seat device can be adjusted to three states, and the diversified resting postures of users are fully met.

According to the massage chair, a chair frame and a connecting rod structure are matched with a guide rail, massage from the neck to the hip of a customer is met, the massage chair is simple in structure, the posture can be adjusted during massage, the body posture is unfolded in the back-down massage process, and the user feels more comfortable; the angle of the backrest can be adjusted to be close to the horizontal state, the original tendon stretching effect can be optimal by matching with ejection massage of the massage machine core, and a user can obtain a better massage effect. On the other hand, when the massage chair is in an upright state, the massage machine core can be well contracted in the guide rail below the hip guide part, so that a user cannot feel foreign body sensation at all, and the good feeling of the user is further improved.

The invention discloses a tumor radiotherapy bed with a positioning function, which comprises a base for supporting, a lifting component for realizing a lifting effect and a bed board for a patient to lie, the lifting component is fixedly mounted at the top of the base, the bed board is mounted at the top of the lifting component through a moving component, and the top of the bed board is provided with bilaterally symmetrical sliding chutes; the part, located in the sliding groove, of the positioning assembly comprises a limiting block, an ejector block, a guide rod and a spring, and the part, located outside the sliding groove, of the positioning assembly comprises a fixing frame, a pressing block, a positioning roller, a rotating shaft, a first driven gear, a first driving gear and an electric push rod. The thermoplastic film is tensioned through friction force generated by relative displacement between rotation and the surface of the thermoplastic film, the thermoplastic film can be ensured to be in a flat state in the stress tensioning process through the special design of the positioning assembly, and the comfort of a patient can be improved in the positioning process of the limbs of the patient.

The application discloses a kind of high flow high tenacity PC / ABS alloy and its preparation method;The alloy includes the following components: PC resin 60-80 parts;ABS resin 20-40 parts;Antioxidant 0.3-0.6 parts;Impact modifier 3-6 parts of compatibilization.It includes the following steps: PC, ABS, compatibilization impact modifier, antioxidant are mixed to get premix, and it is obtained by extruding granulation.The application uses polycarbonate weight average molecular weight, which ensures the tensile strength of alloy material, bending strength;Using high glue content toughener ensures the notched impact strength of alloy material, and suitable shell structure increases the compatibility of PC / ABS.The preparation method of the application is simple and easy to operate, and easy to industrial production;The product prepared by the method can be widely used in high tenacity and high flow demand material field, and has very broad application prospect and industrial value.

The present invention belongs to the technical field of welding materials, and provides a smelting method for aluminum-based or aluminum-silicon-based coated hot stamping steel laser welding wire. The welding wire steel is composed of the following chemical components in weight percentage: C: 0.01%~0.30%, Si: 0.6%~1.3%, Mn: 1.6%~2.8%, S: 0.008%~0.018%; Cr: 0.4%~3.0%, Mo: 0.5%~2.0%, Ni: 1.6%~4.0%, Zr+Ti+Nb: 0.05%~0.1%, RE: 0~0.02%, P≤0.010%, Al≤0.005%, and the remainder is Fe and unavoidable impurities. The smelting method includes an electric furnace smelting process, an LF furnace refining process, a vacuum treatment process, and a billet continuous casting process. The welding wire steel can effectively overcome the problem of brittle fracture caused by the high content of Al element dissolving into the weld during laser welding.

The utility model relates to the technical field of medical equipment, in particular to a disposable light-proof heat-preservation medical specimen bag which comprises a specimen bag body, lifting blocks are fixedly installed on the side walls of the two sides of the specimen bag body, an aluminum foil layer is arranged in the specimen bag body, a first sealing strip is installed at the vertical position in the specimen bag body, and a second sealing strip is installed at the vertical position in the specimen bag body. A second sealing strip is installed at the horizontal position in the specimen bag body, a grip is fixedly installed at the center of the upper end of the specimen bag body, a silver coating is fixedly installed on the surface of the specimen bag body, and through the design of the silver coating, the medical transportation standard is met, the sealing performance is high, high temperature resistance can be achieved, alcohol sterilization is convenient, and use is not affected; concave-convex meshing is completed through the first sealing strip and the second sealing strip, the silver coating is coated below a seal to the bottom, opacifying agents such as titanium oxide, carbon black and pigment are added into a coating agent, the coating is formed through multi-layer coating, when light rays are emitted to the coating, the light rays are reflected or absorbed, and finally the light rays are completely blocked, and a coating object is endowed with flame retardant performance.

The utility model provides a kind of motorcycle headlamp of anti-fogging water inlet belongs to motorcycle headlamp technical field. Including lamp shell, lamp shell top is equipped with lamp shade, is equipped with clamping groove on lamp shell, lamp shade bottom is fixed with sealing strip, clamping groove and sealing strip plug-in cooperation, lamp shell surface is fixed with multiple fixed lug;Prize component, prize component is used to assist maintenance personnel to separate lamp shell and clamping groove, prize component is connected with lamp shell. The utility model is through being provided with prize component, effectively simplifies the disassembly process, shortens maintenance time, improves maintenance efficiency, so that maintenance personnel can more quickly complete tail lamp maintenance or component replacement work, simultaneously, can effectively reduce the damage risk to lamp shell and lamp shade when disassembling, effectively protect the integrity of component, to reduce the maintenance cost generated due to component damage.

The invention discloses a road gap filling and repairing process. The process is characterized by comprising the following steps of S1, repairing preparation, S2, cutting and slotting, S3, gap filling and cleaning and S4, filling operation. The step S1 of repairing preparation comprises the following steps that S11, a filling repairing tool and a filling agent are prepared according to the size of the road gap; s12, designing and customizing a standard operation drawing according to the road gap, wherein the standard operation drawing comprises cutting width and length; s13, according to the drawing, cutting lines are drawn near the road gap, and construction is conducted; the step S2 of cutting and grooving comprises the following steps that S21, cutting and grooving are conducted according to standard operation for pavement damage gaps; s22, after cutting and slotting, laying dry stones at the lower part of the slotting, and pouring glue at the upper part of the slotting; the step S3 of crack pouring cleaning comprises the following steps that S31, a crack pouring groove is cleaned through high-pressure hot air of a hot spray gun; according to the technology, it can be guaranteed that enough materials are used for guaranteeing stretching during stretching in winter, moisture and water vapor in a crack pouring groove can be thoroughly removed through high-temperature cleaning, and sufficient combination of crack pouring glue is guaranteed.

The utility model provides a stranding disc fixing device for a stranding machine, which belongs to the technical field of mechanical engineering and comprises a mounting fixing plate and a mounting mechanism, the mounting mechanism is arranged at the top of the mounting fixing plate and extends to the bottom of the mounting fixing plate, the mounting mechanism comprises round holes, mounting bolts and mounting nuts, the round holes are arranged on the inner side of the periphery of the mounting fixing plate, and the mounting bolts are arranged on the mounting fixing plate. The mounting bolt is threaded, penetrates through the round hole and extends to the bottom of the mounting fixing plate, and the mounting nut is movably connected to the bottom of the mounting fixing plate and is in threaded connection with the mounting bolt. According to the utility model, through the arrangement of the installation mechanism, an installation bolt can pass through a round hole and is matched with an installation nut in use in the use process of the device, so that the stranding disc is fixed on a stranding machine, and the stranding quality cannot be influenced by shaking or loosening of the stranding disc body in the stranding process; and meanwhile, the wire twisting disc body is prevented from falling off or shifting, the possibility of accidents in the wire twisting process is reduced, and the operation safety is improved.