34results about How to "With replaceable" patented technology

The invention discloses a fuse protector and fuse protector base thereof. The fuse protector base comprises a shell and a fuse puller connected with the shell in a sliding mode; at least two sets of parallel contact assemblies are arranged in the shell, and each contact assembly comprises two relative set base contacts. The base contacts comprise a spring cover-clip for clamping both ends of side wall, and electric connection parts connected with the spring cover-clip; a corresponding number of slots with the contact assemblies are arranged on the fuse pulley, and the slots comprise bayonets imbedded radically for the fuse protector and a clamping part which forms an interference fit for the fuse protector body; when the fuse puller slides out of the shell, the fuse protector body fixed in the slots and the spring cover-clip are disconnected simultaneously; when the fuse puller slides into the shell, the fuse protector body fixed in the slots and the spring cover-clip are connected simultaneously. The technology has the advantages of reducing the requirement of processing precision and improving the rate of finished products; and the technology is applied to different sizes of fuse protector body with different length, improving production efficiency and economic efficiency.

The invention discloses a universal pneumatic muscle embedded controller, comprising a control layer, a driving layer, and a sensing layer which are interconnected. The control layer is responsible for receiving the measurement data of the sensing layer and transmitting a control signal to the driving layer. The driving layer comprises a PWM signal amplifying circuit and a high speed switching valve. The input end of the PWM signal amplifying circuit is connected to a PWM output module of the control layer, and receives PWM signals generated by the PWM output module. The output of the PWM signal amplifying circuit is connected to the high speed switching valve. The circuit structure of the PWM signal amplifying circuit is a form in which a follower and a switching transistor are connectedin series, and does not use an optocoupler switch, and is simple and can receive higher frequency input signals. The universal pneumatic muscle embedded controller realizes the integration of control,driving and sensing, and a frequency output of 200 Hz by designing a driving board, which is 10 times higher than that of a conventional driver, and ensures that two PWM signals are not issued at thesame time to avoid conflicts by using a logic module.

The invention relates to a grate plate (1) for use in a grate cooler for hot bulk material, comprising a first working region (2) which is alternatingly covered by a further grate plate (1) during useof the grate plate (1) in a grate cooler, and which has at least one bag (5) for holding bulk material as an autogenous wear protection layer, and comprising a second working region (3) which is notcovered by a further grate plate (1) during use of the grate plate (1), and which has at least one bag (5) for holding bulk material as an autogenous wear protection layer and having at least one opening (6) leading to the underside of the grate plate (1) for the introduction of cooling air. According to the invention, the height (8) of the bags (5) in the covering region (2) is smaller than the height (7) of the bags (5) in the covering-free region (3), and the base of the bags (5) in the covering region (2) is respectively formed by multiple segments (9), the surfaces of which function as contact surfaces for bulk material and between which gap-like cooling air channels (10) are formed, wherein the openings of the cooling air channels (10) provided between the upper sides of the segments(9) are each oriented at a certain angle to the vertical, such that a respective acute angle occurs between the conveying direction and the direction of the cooling air flow via these openings.

The invention relates to a nuclear power plant reinforced concrete containment explosion-proof pressure relief device. The device consists of the following components: a piston fixed and blocked at the pressure relief port on the top of the containment vessel and a protective cover covering the outside of the piston, the protective cover is firmly connected with the containment vessel; the device also includes The airbag of the radioactive gas ejected from the pressure relief port when the piston is broken or ejected under pressure; the airbag is wrapped around the pressure relief port, or the airbag is arranged on the protective cover superior. The invention solves the pressure release problem of the reinforced concrete containment of the nuclear power plant when internal explosion or high internal pressure occurs, avoids serious nuclear leakage that may be caused by the overall damage of the containment, and provides a reliable guarantee for the safe operation of the nuclear power plant. , easy to disassemble and replaceable pressure relief device, can be widely used in the design of traditional pressurized water reactor nuclear power plants, has broad market prospects.

The invention provides a gold wire-free Schottky diode, comprising an insulating package shell, a Schottky chip, a first pin, an auxiliary conductive sheet, and a second pin, and the Schottky chip is located in the insulating package Inside the shell, the lower end of the Schottky chip is electrically connected to the first pin, and the upper end of the Schottky chip is electrically connected to the auxiliary conductive sheet; the second pin is fixed on the insulating package The bottom of the shell; the insulating packaging shell is provided with through holes consistent with the number of the second pins, the through holes are located on one side of the auxiliary conductive sheet, each of the through holes is filled with conductive resin, The electrical connection between the auxiliary conductive sheet and the second pin is realized through the conductive resin. The Schottky diode and the manufacturing method thereof of the present invention do not need to weld gold wires, and solve the problems that the gold wires are difficult to weld and the gold wires are easy to contact each other.

The invention relates to electronic toys and in particular relates to a push type assembling child plastic electronic toy. Therefore, according to the technical problem in the invention, the inventionprovides the push type assembling child plastic electronic toy which is capable of replacing small components and high in interestingness. According to the technical scheme of the invention, the pushtype assembling child plastic electronic toy comprises a lower shell, a bearing block, a rotating shaft, a gear, a first sliding rail, a first slide block, a rack, a first groove, a first spring, a rotating disc, a clamping device, fan blades and the like, wherein the bearing block is embedded into the rear side of the bottom of the lower shell; the rotating shaft is in interference fitting withthe interior of the bearing block; the gear is fixedly connected to the rotating shaft; the rear side of the rear of the lower shell is fixedly connected with the first sliding rail. According to thepush type assembling child plastic electronic toy disclosed by the invention, the functions of attracting children and increasing the interestingness are realized, the function of clamping the rotarysmall component is realized, the rotary small component can be replaced, and the function of lightening the electric lamp is also realized, so that the toy is attractive. The push type assembling child plastic electronic toy disclosed by the invention has the characteristics of being capable of replacing small components, high in interestingness and the like.

The invention provides a zipper puller slider and a zipper puller using the same. The zipper puller slider comprises a slider body, a zipper pulls limit block and a fastening piece, wherein, the slider body comprises an upper wing plate; one end of the zipper pulls limit block is connected with the upper wing plate of the slider body, and the other end of the zipper pulls limit block is equipped with a connecting part; a locking part is arranged on the upper wing plate and is corresponding to the connecting part; an accommodation hole is arranged at the locking part and is corresponding to the fastening piece; and the fastening piece comprises a spring and at least one fastening block, one end of the spring is abutted in the accommodation hole, and the other end of the spring abuts against the fastening block so that the fastening block extends out of the accommodation hole to be fastened with the connecting part of the zipper pulls limit block. By adopting the zipper puller slider and the zipper puller using the same, the zipper pulls can be replaced.

The present invention provides a kind of micro-flash disk (Mini Flash Disk) that guarantees data security, has a casing that conforms to the hard disk standard specification specified by International Organization Technical Committee T13, the size is 2.5 inches or 1.8 inches in width, and on the casing There is a control chip connected to the external connection port, and at least two connection units connected to the control chip and having the same interface specification. The connection units can be connected to a flash memory device respectively, so that the control chip can store data in the first flash memory. The data in the device is mirrored to the second flash memory device to ensure the security of the data in the micro flash disk.

The invention relates to a two-stage energy-consuming assembled RC frame node with an anti-fall beam device, comprising: a prefabricated concrete column, a built-in anti-fall beam damper fixed in the precast concrete composite superimposed beam and fixedly arranged on the lower column respectively Built-in anti-compression dampers for channel steel, steel cables, end steel plates. The built-in anti-drop beam shrinkage dampers in the left and right beams are connected by steel cables, and the end steel plates are set in the middle of the steel cables; The reserved longitudinal reinforcement of the upper column is connected through the reinforcement sleeve, and the upper longitudinal reinforcement of the beam passes through the pre-embedded stirrup of the beam to complete the concrete pouring. The invention solves the shortcomings of the existing fabricated beam-column joints, such as complex on-site construction procedures, poor seismic effect of the assembled joints, and the like. The forms of energy consumption are diversified. In the first stage, memory alloy columns and anti-compression rubber in the built-in anti-compression damper consume energy. In the second stage, the built-in anti-drop beam damper consumes energy, and can prevent beam-column joints from falling beams and other dangerous situations. .

The invention belongs to the field of internal combustion engines, and specifically discloses a pressure oil supply type piston oscillation cooling visualization test device, which comprises a motion mechanism, a visualized piston group, a cylinder liner, an oil supply mechanism and an observation mechanism. The motion mechanism is used to drive the visual piston group to reciprocate in the cylinder liner; the visual piston group includes the transparent test piston and the guide piston; the oil supply mechanism includes the outer oil supply pipe of the frame, the outer auxiliary connecting rod, the inner auxiliary connecting rod, and the oiling The hard pipe and the oiling hose assembly, the outer auxiliary connecting rod and the inner auxiliary connecting rod are movably connected, and there are inner oil passages in them. The oil supply mechanism is used to supply oil to the transparent test piston pressure; the observation mechanism is used to pass through the cylinder. The observation window on the sleeve takes pictures of the inside of the transparent test piston. The invention drives the movement of the visualized piston group through the motion mechanism, and cooperates with the pressure oil supply mechanism based on the auxiliary connecting rod and the observation mechanism based on the transparent test piston, so that the oscillation of the cooling oil of the marine diesel engine piston can be simulated and visualized.

A novel geological magnifier mainly solves the problem that the existing amplifier has a large error in observing a rock particle structure. The novel geological magnifier is characterized in that a parallel light source for vertical irradiation downwards is fixed at the center of a large arc end of the top cover of a protection case; a rotary blind hole is formed on the small arc end of the top cover of the protection case and is used for allowing the upper end of a rotary shaft to be inserted therein; the base of the protection case has an annular large arc end; a transparent hard film is fixed at the center of the annular base of the protection case; a coordinate scale system with fine coordinates is plotted on the transparent hard film; the coordinate scale system is a right-angle coordinate system with the minimum scale range of 0.01 mm to 0.05 mm; the Y axis of the coordinate scale system is the measurement standard coordinate axis, and the X axis is the measurement reference coordinate axis; and the protection case is connected with the magnifier main body through the rotary shaft. The magnifier can quantitatively observe the rock particle structure, and has the characteristics of compact structure, good portability, high convenience in replacing the magnification lens and the like.

The invention discloses a novel LED panel lamp. The novel LED panel lamp comprises an outer plastic frame, an optical assembly, an LED luminous module, a rear cover and a power source; the outer plastic frame and the rear cover are matched to constitute a large cavity, and the optical assembly, the LED luminous module and the power source are all arranged inside the large cavity; the LED luminous module is composed of at least one LED luminous lamp strip, and each LED luminous lamp strip is arranged on the periphery of the optical assembly; the power source is electrically connected with the LED luminous module. The novel LED panel lamp has the advantages that the LED luminous lamp strips can be replaced, the heat dissipation effect is good, assembly and disassembly are easy, the flame retardant rating is improved, no weld joint is produced, production cost is lowered, the power source is arranged inside, and the novel LED panel lamp is beautiful.