50results about How to "Play a role in stretching" patented technology

The invention relates to a cloth starching and sizing integration device, and belongs to the technical field of label cloth production. The cloth starching and sizing integration device sequentially comprises a cloth feeding device, a cloth feeding padder, a cloth feeding stretching device, a slurry pool, a film forming pool, a washing pool and a drying device, wherein a scraping recovery device is arranged between the cloth feeding stretching device and the slurry pool and comprises a rectifier roll of which the position is higher than the slurry pool; the cloth is stretched and moved among the rectifier roll, the slurry pool and the film forming pool; a coarse scraper is arranged on the cloth surface between the rectifier roll and the slurry pool; an auxiliary rectifier roll is arranged at the lower part of the rectifier roller; and a scraper, a fine scraper, a first slurry collecting tank and a second slurry collecting tank are sequentially arranged between the rectifier roll and the film forming pool. According to the cloth starching and sizing integration device, the slurry is saved; and starching is even.

The invention discloses cement mortar dry powder as well as a preparation method and application thereof. The cement mortar dry powder comprises fine sand, Portland cement, aluminate cement, coal ash, an expanding agent, fibers, amphoteric oxides, lignin amine and active calcium oxide. When being used, the cement mortar dry powder disclosed by the invention is uniformly mixed with water, and then cement mortar is made. The cement mortar dry powder disclosed by the invention has the characteristics of high early strength, controllability, no cracking, no whiskering and the like, in addition is low in preparation cost, and can not only meet management of sewer wells of city streets and rapid repairing of airfield runways, cement pavements, tunnels and the like, but also meet rapid construction requirements of back grouting of equipment foundation and reinforcement of foundation bolts.

The invention discloses a dyeing and finishing method of a fiber fabric containing PLA and PHBV. The dyeing and finishing method comprises the following steps: sewing blank cloth; desizing; tentering; drying; shaping; dyeing; and carrying out post-treatment; particularly, desizing, namely putting the blank cloth into a penetrating agent solution with the concentration being 3.5g/L-4.5g/L; padding in an enzyme solution with the enzyme concentration being 0.6g/L-1.2g/L; dyeing, namely by utilizing disperse dyes, controlling the temperature by phases; in the first phase, continually raising the temperature at 35-55 DEG C at the speed of 2-2.5 DEG C/min; in the second phase, continually raising the temperature at 55-85 DEG C at the speed of 1-1.5 DEG C/min, and keeping the temperature for 8-15 minutes after the temperature is raised to 85 DEG C; in the third phase, continually raising the temperature at 85-100 DEG C at the speed of 0.5-1 DEG C/min, and keeping the temperature for 8-15 minutes after the temperature is raised to 100 DEG C; and in the fourth phase, cooling the temperature to 50 DEG C from 100 DEG C at the speed of 1-2 DEG C/min so as to finish the whole dyeing process. The dyeing and finishing method has the advantages of rapidness in coloring, uniform dyeing and uneasiness of de-coloring.

The invention discloses a fixing device for preventing sedimentation stretching of a straight-buried pipe. The fixing device comprises a pull rod, a pipe fixing component and a structure fixing component, wherein the pipe fixing component comprises a fixed sleeve, an arc fixed plate and two pipe hinge plates; the structure fixing component comprises a fixed baseplate and two structure hinge plates; the two ends of the pull rod are respectively connected with hinge plates; the hinge plate at one end of the pull rod is hinged with the two pipe hinge plates; the hinge plate at the other end of the pull rod is hinged with the two structure hinge plates; the structure fixing component is fixed in strength points of such different buildings as a structural bearing platform and a ground beam; the pipe fixing component is fixed on the straight-buried pipe; as the two ends of the pull rod are hinged with the pipe fixing component and the structure fixing component, when the straight-buried pipe is stretched, the straight-buried pipe can be synchronously and uniformly stretched to the left and right sides from the middle, and the stretching stress of the straight-buried pipe is effectively dispersed; and when the straight-buried pipe is sedimentated, the pull rod can effectively unload to prevent the tensile failure.

The invention relates to an anti-falling elevator car which comprises a car body, an anti-falling device, a base and concentric-square-shaped racks. The anti-falling devices are symmetrically mountedat the upper and lower ends of the car body, the anti-falling devices are symmetrically arranged front and back, a base is arranged below the car body, the concentric-square-shaped racks are mounted at the left and right ends of the base, and the car body is located in the middle of the concentric-square-shaped racks. By changing design philosophy of size of a friction force between the car and awall for effective anti-falling arrangement, the anti-falling device can change the friction force between the elevator car and the wall in a quick falling process of the elevator car as a result of faults to improve the friction between the elevator car and the wall and decrease the falling speed of the elevator car to further achieve a good car anti-falling effect.

The invention discloses a stretching device for bodybuilding. The stretching device comprises a transversely-arranged mounting plate, a clamping device is arranged on the mounting plate, a transversely-formed cavity and a transversely-formed strip-shaped groove are formed in the mounting plate, the strip-shaped groove is located below the cavity, a moving rod is slidably connected into the strip-shaped groove, a third spring is fixedly connected to the moving rod, the other end, deviating from the moving rod, of the third spring is fixedly connected to the inner wall of one side of the strip-shaped groove, a limiting groove is formed in the upper side wall of the cavity, the interior of the limiting groove is slidably connected with two limiting blocks, a first spring is fixedly connectedto each limiting block, the other ends, deviating from the limiting blocks, of the first springs are fixedly connected with balance blocks, and one sides of the balance blocks are fixedly connected with second springs. The balance blocks move back and forth so that a stretching roller can move repeatedly, accordingly, muscles in the legs are extruded repeatedly, and the effects of stretching and relaxing the muscles in the legs are realized.

The invention relates to a temperature-control type rigid expansion plugging working fluid for a drilling fluid for a fractured leakage layer in the technical field of leakage prevention and plugging of the drilling fluid. The temperature-control type rigid expansion plugging working fluid comprises the following components in parts by weight: 100 parts of leaking stoppage base slurry, 5-10 parts of a temperature-control rigid expansion leaking stoppage agent, 10-20 parts of rigid particles, 4-10 parts of elastic particles, 2-5 parts of a flaky material and 0.2-0.4 part of a fiber material, and is compounded by optimizing the functions and particle sizes of the components. A temperature control type rigid expansion material serves as a core, deformation is generated through temperature induction excitation at a leakage channel to achieve bridging and blocking, rigid blocking materials and elastic blocking materials which are different in particle size and shape are cooperated, and a dense pressure-bearing blocking layer which is of a strong chain network structure and is high in self-adaptive capacity, high in temperature resistance, high in pressure-bearing capacity and low in leakage amount is formed, 3-5mm large opening of fractured leakage is sealed, the activation temperature can be adjusted from 70 DEG C to 100 DEG C, the pressure bearing capacity is larger than or equal to 20 MPa, and the leakage amount is smaller than or equal to 100 mL.

The invention provides a stacking robot with a sorting function. The stacking robot comprises a mechanical arm and an anti-damage clamp holder, wherein the anti-damage clamp holder comprises a middle mounting plate and two L-shaped clamping plates; a mounting vertical plate is fixedly mounted at the bottom of the middle mounting plate; and electric push rods are fixedly mounted on two sides of the mounting vertical plate. The stacking robot with the sorting function is reasonable in design; a plurality of guiding shifting devices are mounted on the L-shaped clamping plates of the anti-damage clamp holder; guiding shifting wheels of the guiding shifting devices are uniformly distributed on the surfaces of the L-shaped clamping plates; when bagged goods are stacked, in a process of clamping the bagged goods, the guiding shifting wheels rotate and can be lifted upwards from two sides of the bagged goods; and besides, bags of the bagged goods can be effectively prevented from being damaged, and the bagged goods are convenient to clamp.

The invention discloses a production and installation process for steel flooring in a factory. The steel flooring comprises square steel floors, wherein non-slip strips are arranged on the surfaces ofthe square steel floors; reinforcing through holes are formed in the middles of the square steel floors; multiple non-slip strips are arranged; multiple reinforcing through holes are formed; the symmetrically arranged square steel floors are made of stainless steel. The production and installation process comprises the following steps: square cutting, laser drilling, hydraulic molding, glue-injection preparation, installation of steel flooring and the like. The invention relates to the technical field of factory flooring. According to the production and installation process for steel flooringin the factory, the product material and installation material have anti-rust characteristics and excellent non-slip effects and are neat and regular in non-slip lines, and excellent sense of wholeness is achieved after splicing installation. During installation, due to the operation of drilling and filling glue on the ground, the bar tying effect can be achieved, the through hole is filled withepoxy resin glue so as to form glue columns, the adhesive force is improved, vehicles with high strength and weight can be borne to pass, and the steel flooring is difficult to drop.

The invention discloses an adjustable conveyor roller table, which relates to the technical field of conveyor roller tables. The adjustable conveying roller table includes a roller frame, first supporting columns are arranged on both sides of the lower end of the roller frame, and a second supporting column is arranged in the middle of the lower end of the roller frame, and the first supporting column and the second supporting column are arranged The upper ends of the inner cavities of the two support columns are all plugged with ejector rods, and the upper ends of the ejector rods are fixedly connected with the bottom of the roller frame. The bottoms are all fixedly installed with support plates. The adjustable conveying roller table solves the problem that when the conveying roller table is in use, it needs to be transported with different devices. The cooperating arrangement of the electro-hydraulic push rod, the slide rail and the slide port enables the device to push the horizontal plate upward through the electro-hydraulic push rod to make the first support column and the inner ejector rod of the second support column go upward synchronously for height adjustment.

The invention discloses a fixing device, a backlight source and a display device. The fixing device comprises a hook, a connector and a fixed end, wherein the hook is connected with the fixed end by the connector. By adopting the fixing device, the backlight source and the display device, the flatness of a sheet-shaped material can be kept; moreover, a backlight source membrane material is symmetrically and uniformly stressed in each direction, a flat state is kept better and wrinkles are avoided being generated; the brightness of the display device is uniform, the phenomenon of nonuniform brightness cannot be generated, and the fixing device, the backlight source and the display device have excellent and stable quality.

The invention relates to a multifunctional tendon pulling stool and a using method thereof, and belongs to the field of health care instruments. The multifunctional tendon pulling stool is characterized by comprising a stool body, a vertical plate, a slope plate and a fixing belt, wherein a slot is formed in the end of the stool body; one or more vertical plates are inserted into the slot; the fixing belt is arranged on the vertical plate; the slope plate is arranged below the end, provided with the vertical plate in an inserted mode, of the stool body; one end of the slope plate is connected with the stool body; the other end of the slope plate is placed on the ground; and the height of the slope plate from the end connected with the stool body to the end placed on the ground is gradually reduced. By means of the multifunctional tendon pulling stool, a user can conveniently pull tendons, and the good rehabilitation effect on modern people suffering from accumulated fatigue damage such as cervical spondylosis and arthropathy can be achieved. In addition, the user can freely adjust the tendon pulling force and the figure angle in the tendon pulling process. The user can appropriately adjust the multifunctional tendon pulling stool according to needs; the safety performance is good; the universality is high; and the multifunctional tendon pulling stool is suitable for popularization in nowadays society.

The invention belongs to the technical field of eating tools of chopsticks, in particular to disposable environment-friendly chopsticks, which comprise conical or cylindrical chopstick bodies formed by rolling sheets, and are characterized in that the section of the sheets before rolling is wavy or zigzag. The invention aims to provide disposable environment-friendly chopsticks with certain hardness, and aims to solve the problems that wooden or bamboo chopsticks cause environmental disruption and paper chopsticks have insufficient harness in the market at present.

The invention discloses a circuit breaker arc-extinguishing chamber which comprises a fixing plate and a plurality of arc chutes. The fixing plate comprises a bottom plate and two side plates symmetrically disposed at two opposite ends of the bottom plate. A plurality of exhaust passages are uniformly distributed on the bottom plate in the length direction of the bottom plate. A plurality of groups of fixing mechanisms are uniformly distributed on the side plates along the length direction of the side plates. The exhaust passages and the fixing mechanisms are successively staggered. The fixingmechanism includes a plurality of fixing holes uniformly distributed along the width direction of the side plate. The two opposite side ends of each arc chute are provided with fixed right angles recessed inward. Each fixed right angle is provided with a fixing block matching the fixing hole at a position corresponding to the fixing hole. One end of each fixing block penetrates through the corresponding fixing hole. The circuit breaker arc-extinguishing chamber is reasonable in structural design, good in impact resistance effect, good in heat dissipation effect, can improve arc extinguishingefficiency, and can improve the working stability of the circuit breaker when used.

The invention discloses a multifunctional nursing massage bed. The multifunctional nursing massage bed comprises a bed body, a bed plate and a massage head, wherein the bed plate is mounted in the bedbody; the middles of the two ends of the bed plate are rotatably connected with two ends of the bed body through rotating shafts; a plurality of loading holes are uniformly formed in the bed plate inthe thickness direction; the inside of each loading hole is longitudinally connected with an elastic column; the top of each elastic column is connected with a massage head; a plurality of massage layers are connected between two side plates on two sides of one end; the outer side of each massage layer is connected with an inflating layer; the outer side of each inflating layer is connected witha vibrating layer; the outer side of each vibrating layer is connected with a protecting layer; and the massage layers are connected with each other through hook-and-lope tapes on the two sides. The massage bed is diversified in function, can meet demands of different patients, is simple to operate during use, and is convenient and fast to adjust. The patient can be massaged in all directions, themassaging efficiency is high, and the effect is good.

The invention discloses a high-barrier composite woven packaging bag. The high-barrier composite woven packaging bag comprises a packaging bag body, wherein the packaging bag body comprises a woven outer barrier layer, a first PE waterproof layer is arranged in the outer barrier layer, an anti-cutting layer is arranged in the first PE waterproof layer, the anti-cutting layer is connected with a connecting adhesive film, the connecting adhesive film is connected with a second PE waterproof layer, and a lining layer is arranged in the second PE waterproof layer; a handle and an inlet are arranged at the top of the packaging bag body, an inlet cover is arranged at the inlet, first adhesive cloth is arranged along the edge of the inlet cover, and second adhesive cloth is arranged on the packaging bag body corresponding to the edge of the inlet cover; and a mobile phone bag is arranged on the circular-arc-shaped inlet cover, so that the performance of oxygen resistance, moisture resistance, light resistance and the like of the woven packaging bag is effectively improved, and the using effect is better. Due to the design of a reinforcing layer, the structure of the bag body is firmer and more reliable, the overall impact resistance is good, the toughness is good, and the connecting adhesive film plays a role in stretching, so that the bag body has certain stretching shrinkage resistance; and a mobile phone is prevented from falling off and is convenient to use.

The invention relates to an agricultural mulching film with disinsection and weeding functions and a preparation method thereof, and belongs to the technical field of agricultural products. The preparation method comprises the following steps: by taking hickory nut green pericarp as a raw material, utilizing allelopathic substances and fiber components in the hickory nut green pericarp, carrying out a series of modification treatment, matching with silicon dioxide aerogel to prepare a mixed filler, doping the obtained mixed filler into a film matrix, and finally carrying out extrusion granulation, pressing and film blowing to finally prepare the agricultural mulching film with the deinsectization and weeding functions. The agricultural mulching film prepared by the invention is excellent in disinsection and weeding functions, excellent in air permeability and impact resistance and wide in application prospect.

The invention discloses an efficient rubber cooling machine. The efficient rubber cooling machine comprises a feeding conveyer belt, a lifting conveyer belt connected with the feeding conveyer belt, and a recirculation cooler arranged below the lifting conveyer belt. The feeding conveyer belt is provided with a speed controller. The recirculation cooler comprises supports which are oppositely arranged and are further provided with air cooling structures and a plurality of suspension structures which are arranged between the supports and can make circulated movement. Each suspension structure comprises a moving plate and a plurality of supporting plates which are arranged at the two sides of the moving plate and used for supporting rubber. An included angle alpha is formed between the supporting plates and the corresponding moving plates. The included angle alpha can be adjusted. The efficient rubber cooling machine is good in cooling effect and high in efficiency, the structure is simple and operation is convenient.