39results about How to "Compact performance" patented technology

The invention discloses a rotary damping buffering meshed type automobile motor, aiming to solve the problems of easy gear milling and complicated structure of the existing motor. The automobile motor disclosed by the invention comprises a driving device, an electromagnetic switch and an electric driver and the like, wherein the driving device comprises a pusher dog, a one-way device spring, a round iron plate, a one-way clutch and a return hairspring; and the electromagnetic switch also comprises a spring, a movable tactile disk, a tactile point, a tactile rod, a tactile rod return spring and a holding electromagnetic coil. According to the invention, a backspring is used and the principle that the backspring becomes more and more tight along with screwing due to the reverse acting force is also used to form a buffering and fastening machine element, thus the meshing can be realized fully and lightly without damaging gear rings and producing gear milling. By adopting the motor disclosed by the invention, the cost can be reduced, partial motor cast iron components can be saved, the weight can be lightened and the energy-saving effect can be more obvious; as the lever mechanism of the traditional motor can be omitted, the size can be reduced, the structure can be more compact, the materials can be saved and the motor is lighter and smaller; and besides, the product has excellent performance, extremely low failure rate, faster startup and no rigid frictions, thus the service life of the motor gear rings can be prolonged. Therefore, the motor disclosed by the invention can be used for replacing any existing starting motor in the market.

The invention relates to a head oscillating structure of a warmer. The head oscillating structure comprises a warmer base, a rotating part, a driving cam and a driving motor, wherein the driving cam is arranged between the warmer base and the rotating part, the driving motor is arranged at the top of the rotating part, the output shaft of the driving motor penetrates through the rotating part andis inserted into the installation hole of the driving cam, the driving shaft of the driving cam is arranged in a slide rail arranged on the base, a sliding positioning column arranged on the base is installed in the rotating slide rail arranged at the rotating part, and a rotating central shaft arranged at the rotating part is sheathed on a rotating central sleeve arranged on the base. By adopting the structure that the cam drives the rotating part to move, the space dimension of the product is reduced, the exterior smallness and exquisiteness are improved, the stability is improved and the head oscillating structure passes 750 thousand of times of head oscillation tests. Moreover, screws are not used for the fixation between the cam and the rotating part and between the rotating part andthe base slide rail, the assembling efficiency is improved and the cost is reduced.

The invention relates to a circuit breaker, in particular to an insulating embedded vacuum circuit breaker for a gas-filled tank. The insulating embedded vacuum circuit breaker comprises a circuit breaker shell, a circuit breaker body, an operating mechanism and a circuit control module, wherein a circuit breaker operating mechanism and an embedded pole are arranged in a box body; the embedded pole is connected with the breaker circuit operating mechanism; the embedded pole comprises an upper conductive frame and a lower conductive frame; a vacuum arc-extinguishing chamber and a fixed contact are arranged between the upper conductive frame and the lower conductive frame; the fixed contact is located in the vacuum arc-extinguishing chamber and is connected with the upper conductive frame; a moving contact capable of moving up and down is arranged in the vacuum arc-extinguishing chamber; the moving contact and the lower conductive frame are kept in connection; an embedded casting body coats the upper conductive frame, the lower conductive frame and the outer wall of the vacuum arc-extinguishing chamber; an air flow channel is arranged in the embedded casting body on the periphery of the vacuum arc-extinguishing chamber; and a cooling fin is arranged on the upper conductive frame. The embedded pole is modified through powder, so that the embedded pole has relatively good sealing stability; and the stability performance of the pole is improved.

The invention relates to the field of material processing, in particular to aluminum alloy with an electromagnetic shielding function and a processing method thereof. The aluminum alloy comprises thefollowing components in percent by mass: 2-4% of magnesium, 0.5-1% of copper, 0.01-0.1% of silicon, 0.002-0.02% of lithium, 0.002-0.02% of antimony, 0.005-0.05% of iron, 0.002-0.02% of nickel, 0.011-0.075% of boron, 0.005-0.05% of cobalt, 0.003-0.03% of niobium, 0.02-0.3% of graphene, 0.024-0.72% of a conductive polymer, and the balance of aluminum and inevitable impurities. The material comprising iron, niobium and boron has strong capability of absorbing and consuming electromagnetic waves, and can absorb the electromagnetic waves outside an object so as to achieve a shielding effect; testsshow that the electromagnetic shielding performance of the material is 50-120 dB.

The invention provides a fluorine-containing drainage aid for fracturing, which belongs to the technical field of oilfield chemical additives. The drainage aid is composed of sodium perfluorononenyloxybenzene sulfonate with a mass content of 0.1%-0.25%, coconut oil fatty acid diethanolamide with a mass content of 10%-37.5% and the balance of water. The drainage aid has good compatibility with the fracturing fluid, and will not affect the performance of the fracturing fluid itself after compounding, and the surface tension of the fracturing fluid breaking fluid is less than or equal to 28mN / m, and the fracturing fluid breaking fluid and kerosene The interfacial tension is less than 2mN / m.

The invention discloses a contact forming method of a pipe with a shoulder, and belongs to the field of semi-solid forming. The method comprises the following steps that firstly, a metal pipe is conducted local induction heating to a solidus temperature or above, and heat preservation is carried out; and then the metal pipe is put into a preheated progressive mold to carry out first pass extrusiondeformation and pressure maintaining is carried out; then the metal pipe is rapidly taken out, and put into the preheated progressive mold to carry out second pass extrusion deformation and pressuremaintaining is carried out so as to obtain a pipe part with the shoulder; then rapid water quenching is carried out on the pipe part with the shoulder, and finally T6 heat treatment is carried out. According to the method, progressive mold two-step local contact extrusion forming is adopted to prepare the pipe part with the shoulder, the mold is simple in structure, production efficiency is high,cost is low, product quality is high, a material utilization rate is high, and mechanization and automatic production are realized conveniently.

The invention discloses a pre-stressed steel bar shearing machine, which comprises a driving mechanism, a feeding mechanism, a receptacle trough and a sizing mechanism, and a hydraulic shearing and blanking mechanism. The upper part of a vertical cantilever support (29) is provided with a trough front side plate (42) and a trough rear side plate (55); the trough front side plate (42) is provided with a chain front guide rail (43); the trough rear side plate (55) is provided with a chain rear guide rail (54); a piston rod on the hydraulic cylinder I (32) is hinged with a lever (34) by a shaft I (33); a bearing shaft II (35) is hinged with the lever (34); and the other end of the lever (34) is provided with a movable knife I(37) corresponding to a fixed knife I (23). The pre-stressed steel bar shearing machine has the advantages of reliable performance, full function, simple and compact structure, and saved time, labor, and resource, in this way, the pre-stressed steel bar shearing machine products with high shearing quality and perfect function are provided to users.

A miniaturized and compact duplexer based on thin-film integrated passive device technology, the invention belongs to the field of microwave devices, and in particular relates to a miniaturized duplexer, which solves the problem that the size of the existing planar cascaded duplexer is relatively large. The problem of performance instability during the work process. The compact duplexer of the present invention includes a high-pass filter and a low-pass filter, the high-pass filter is coupled to signal port one and signal port two, and the low-pass filter is coupled to signal port one and signal port three, wherein the high-pass filter consists of two No. capacitor in parallel with the first capacitor-inductance resonant circuit, and the low-pass filter is composed of two serial inductors in parallel with the second capacitor-inductor resonant circuit; the miniaturized and compact duplexer is made into a multi-layer structure through thin film integrated passive device technology. The size of the compact duplexer of the present invention is only 1.9mm×0.8mm, and the thickness is 0.2mm, and the manufacturing process of the present invention has high precision and stable device performance.