50results about How to "Good processing cost" patented technology

The invention discloses a one-way pressure-regulating quick release valve, which has the functions that: when high-pressure gas flows from an inlet of the one-way pressure-regulating quick release valve, the opening time and the outlet pressure of the one-way pressure-regulating quick release valve can be controlled by adjusting the opening pressure of a pressure-regulating valve core of the one-way pressure-regulating quick release valve; and when the high-pressure gas finishing work reversely backflows form an outlet of the one-way pressure-regulating quick release valve, the pressure-regulating valve core of the one-way pressure-regulating quick release valve is closed, a one-way valve core is opened and the high-pressure gas is quickly exhausted to the atmosphere from a quick release hole of the one-way pressure-regulating quick release valve. The one-way pressure-regulating quick release valve is especially suitable for an air-pressure brake pipeline system of an automobile; the one-way pressure-regulating quick release valve is arranged in the brake pipeline, the adjustment of brake forces of a left wheel and a right wheel is realized by adjusting the one-way pressure-regulating quick release valve, and thereby the brake deviation is effectively solved; meanwhile, the problems of non-uniformity in heating and wear of a brake and the like can be effectively solved, and thus the service life of the brake is effectively prolonged and the maintenance and repair times of the brake are reduced; the one-way pressure-regulating quick release valve has a quick release function, so that the one-way pressure-regulating quick release valve can replace a general quick release valve; and the one-way pressure-regulating quick release valve is arranged on a brake air chamber, so that the exhaust distance is shortened and shorter exhaust time and quicker brake response are obtained.

The invention discloses a method for roll forming of a strip-shaped irregular sectional material. The method comprises the steps of arranging a rolling mill set and a correction tool according to the end face shape of a preset sectional material and a straight strip or arc-shaped structure; analyzing the deformation process of a to-be-rolled sectional material, determining the rolling pass number and the rolling wheel shape, and calculating the processing progress; and adopting the arranging rolling mill set and the correction tool to gradually bend the to-be-rolled sectional material into the sectional material with the needed end face according to the processing progress obtained by calculation. The method for roll forming of the strip-shaped irregular sectional material can overcome the shortcomings of small applied range, low production efficiency, poor product quality and high processing cost in the prior art and have the advantages of being wide in applied range, high in production efficiency, good in product quality and low in processing cost.

The invention relates to a light-transmitting outdoor LED (light-emitting diode) lamp group and a manufacturing method thereof. The light-transmitting outdoor LED lamp group is provided with a good ultraviolet resisting function and an excellent weather resistance performance, can serve as an LED light source shell independently and can work outdoors and underwater for a long time without moisture permeation. The light-transmitting outdoor LED lamp group is formed by a series of connection of a plurality of LED lamps. Light sources for the one or a plurality of the LED lamps are formed by one LED or arrangement of a plurality of LEDs, and the one or a plurality of the LED lamps are hermetically coated by a modified PVC (polyvinyl chloride) thickener to form the light-transmitting outdoor LED lamp group. The light-transmitting outdoor LED lamp group has the advantages that 1, the PVC thickener serving as a shell of the LED light source is good in ultraviolet resistance, low temperature resistance and weather resistance and can reach V-2 to V-0 grades in flame retardance; 2, material cost and production cost of products are reduced, and the outdoor light-transmitting LED lamp group is low in processing cost, short in producing period and high in processing efficiency; 3, the shape of the light-transmitting outdoor LED lamp group can be formed differently according to different needs of users, and a technical bias that technicians in the field consider that the PVC thickener cannot serve as an LED lamp group forming material for a long time is basically changed.

The invention provides a ventilation steel channel, a manufacturing method of the ventilation steel channel, a ventilation structure and a motor. The ventilation steel channel provided by the invention comprises a ventilation steel channel body; a plurality of teeth are formed on at least one of two opposite lateral surfaces of the ventilation steel channel body. The ventilation structure provided by the invention comprises at least two iron core sections; the iron core sections are provided with a plurality of tooth parts; slots for accommodating windings are formed between the adjacent tooth parts on the same iron core sections; the ventilation steel channels are formed between the corresponding tooth parts of the adjacent iron core sections; the teeth of the ventilation steel channels face towards the slots. According to the ventilation steel channel provided by the invention, the teeth can effectively break through a boundary layer between the ventilation steel channel and cooling gas flowing through ventilation grooves, the heat dissipation area is increased, and cooling and heat dissipating effects are reinforced; meanwhile, the process of the ventilation steel channel is easy to realize with low manufacturing difficulty.

The invention belongs to the field of an organic high-molecular compound, and particularly relates to a PP(Propene Polymer)-PE(Poly Ethylene) alloy and a preparation method thereof. The PP-PE alloy is prepared from the following raw materials including PP, PE, titanium dioxide, rectorite, thiourea, wood fiber, a titanate coupling agent, sulfonated zinc polystyrene and maleic anhydride-glycidyl methacrylate bimonomer grafting high-density polyethylene. The preparation method comprises the following steps of A, weighing the titanium dioxide, the rectorite, the thiourea and the wood fiber according to the weight parts; putting the materials into a high-speed mixing machine; performing dispersion and mixing; and obtaining a mixture A; B, adding the titanate coupling agent and the sulfonated zinc polystyrene into the mixture A obtained in the step A in a spraying way to obtain a mixture B; and C, adding the mixture B obtained in the step B into an extrusion machine, and performing plasticization, fusion, compounding, machine head extrusion, strip pulling, cooling, pelletizing, drying and packaging to obtain the PP-PE alloy. The prepared PP-PE alloy has excellent mechanical performance, and the preparation method is simple.

A method for preparing a gravel-carrying filter pipe. A gravel-carrying water filter pipe, including a water pipe made of polymer materials, uniformly slit on the pipe wall in the axial direction of the water pipe, that is, the length direction, the width of the slit is 0.25-0.80mm, and the two ends of the water pipe are internal and external threaded structures. The length of the interval is 80-150cm; the outer side of the slit of the water pipe is covered with a filter screen, and there is a uniform granular filter material between the filter screen and the wall of the water pipe. Shaped fixing bracket, in which the covering filter screen is fixed between the two fixing brackets, the gap formed by the inner fixing bracket is filled with granular filter material, the thickness of the powder filter material is 20‑30mm, and the gap between the two fixing brackets The distance is 10-60cm.

The invention provides a pressure-sensitive compound, a pressure-sensitive material, a preparation method thereof and a pressure-sensitive film. The pressure-sensitive compound provided by the invention can form a compound of another structure after being pressed. Before and after the compound is pressed, two compounds are different in color, so that a color difference is formed. The larger the pressure, the larger the color difference. Based on the color difference, the size of the pressure can be judged. The pressure-sensitive compound is large in applicable temperature range and can be applied to the pressure sensing tests of various electronic consumer products, batteries and the like. The compound is high in mechanical performance, convenient to use and good in mechanical sensitivity.The compound can be applied to the pressure measurement of products in the low-pressure industry, and the application field of pressure measurement materials is expanded.

The invention relates to a preparation method of a gas sensitive element used for hydrocarbon gas detection, which mainly solves the problems of complex synthesis process, high operating temperature and high processing cost in the prior art. The present invention comprises the following steps by adopting a method for preparing a gas sensitive element used for hydrocarbon gas detection: (1) pretreatment of the substrate: successively treating the substrate with acid and alkali and then drying to obtain the pretreated substrate; 2) Preparation of tin dioxide: adding SnCl to ethanol 2 2H 2 O, to obtain tin dioxide solution. (3) Preparation of tin dioxide film: put the obtained pretreated substrate into the tin dioxide solution to coat the film, then dry and dry to obtain the substrate coated with the tin oxide precursor. (4) Heat treatment: the technical solution of heating, roasting and cooling the substrate coated with the tin oxide precursor to obtain the tin oxide thin film gas sensor better solves the above problems and can be used in hydrocarbon gas detection.

The invention discloses a radiator for an LED module. The radiator for the LED module includes a radiator body. A through hole penetrating through the radiator body is arranged on the radiator body, and a hole is formed in the radiator body. The hole is communicated with the through hole, and the open end of the hole is exposed on the side wall of the radiator body. The radiator for the LED modulehas small heat dissipation volume, good heat dissipation effect, and low processing cost. The LED module adopting the radiator has the advantages of small size and good heat dissipation effect.

The invention provides equipment for adsorbing heavy metal elements, and belongs to the technical field of sewage treatment. The equipment for adsorbing the heavy metal elements comprises a treatment channel which comprises a first treatment channel, an arc-shaped treatment channel, a second treatment channel and a conical connecting pipe; the first treatment channel, the arc-shaped treatment channel, the second treatment channel and the conical connecting pipe are sequentially communicated from top to bottom, a recoverable adsorption mechanism is arranged in the first treatment channel, and the recoverable adsorption mechanism comprises two electric telescopic rods. The whole device is reasonable in structural arrangement, ingenious in conception, convenient to use, and suitable for batch adsorption or batch treatment of heavy metal elements in sewage, the treatment efficiency is high, the effect is good, the adsorbed heavy metal elements can be extracted through the device, operation is convenient, a flow guide mechanism in the device prevents the heavy metal elements from blocking the microwell plate, and the whole treatment channel is compact in structure, low in machining cost and high in practicability .