34results about How to "With replaceable" patented technology

The invention discloses a simulation test platform of electric routing inspection sensing equipment, and relates to the technical field of electric routing inspection. The simulation test platform comprises a wall beam A, a wall beam B, a hanging bin and routing inspection equipment, wherein slide wheel brackets are arranged on the wall beam A and the wall beam B which are arranged in parallel; double rows of slide wheels are arranged on the slide wheel brackets; drag cables are arranged on the two slide wheel slide slots at the same sides of the double rows of the slide wheels; ends of the two drag cables are separately connected with a winch A and a winch B on ground; the other ends of the two drag cables separately get across the two slide wheel slide slots at the same sides of the double rows of slide wheels, and are connected with the two ends of a connecting plate; simulation ground wires are arranged in the two slide wheel slide slots at the other sides of the double rows of slide wheels; the two ends of each ground wire are fixedly connected with counterweight blocks on ground separately; the hanging bin of the routing inspection equipment is arranged on the connecting plate; insulators are separately arranged on lower parts of double rows of slide wheels; and a simulation live wire is connected between the insulators. The simulation test platform can simulate main environments and objects of electric routing inspection, and is easily dismounted.

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.

The invention relates to an anti-explosion pressure release device of a reinforced concrete safety shell of a nuclear power plant. The anti-explosion pressure release device comprises the following constituting parts: a piston, a protection cover as well as a safety airbag, wherein the piston is fixedly sealed at a pressure release hole in the top of a safety shell; the protection cover is arranged on the outer side of the piston in a sealing and covering manner; the protection cover is solidly connected with the safety shell; the safety airbag is used for absorbing and storing a radioactive gas which is ejected out from the pressure release hole when the piston is cracked or is ejected out under stress; the safety airbag is arranged at the peripheral side of the pressure release hole in a covering manner, or is arranged on the protection cover. By adopting the anti-explosion pressure release device, the difficulty of pressure release is solved when the reinforced concrete safety shell of the nuclear power plant is internally exploded or subjected to internal high pressure, so that serious nuclear leak which can be caused by overall damage of the safety shell is avoided, the reliable, easily detached and removable pressure release device is provided for safety operation of the nuclear power plant, the pressure release device can be widely applied to design of conventional pressurized water reactor nuclear power plants and has wide market prospects.

The invention relates to a uniaxial straddle type bogie dynamic parameter and traction dynamic performance test bench, which comprises a bogie guidance and stabilization system test device, a walkingwheel traction and posture driving system device, a cloud rail vehicle constraint truss and two-degree-of-freedom moving vehicle body device and a test load weight frame device which are mounted on atest area iron floor 3; the test bench meets the need to test the main dynamic parameters for the uniaxial straddle type monorail bogie in the operating state, performs dynamic and static testing on stiffness parameters of the single uniaxial straddle type monorail bogie, and truly simulates five forms of movement of lateral moving, vertical moving, yawing, rolling and nodding of the uniaxial straddle type monorail vehicle by applying the lateral force to the four guide wheels, the lateral force to the two stabilizing wheels, the lateral force and the vertical force to the travelling wheel ofthe uniaxial straddle type monorail vehicle.

The invention discloses a separate-type bridge pier anti-collision system which comprises an anti-collision body. The anti-collision body is arranged on the periphery of a bridge pier and fixed to a steel plate embedded in a bearing platform through a welding process; the anti-collision body is characterized by comprising an air isolation layer, an inner protective cylinder, a buffer layer and an anti-collision layer, wherein the air isolation layer wraps a bridge pier column, the inner protective cylinder wraps the air isolation layer, and the buffer layer is arranged on the periphery of the inner protective cylinder, and the periphery of the buffer layer is wrapped by the anti-collision layer; the bottom of the anti-collision body is fixedly connected with the steel plate embedded on the bearing platform through welding. The separate-type bridge pier anti-collision system has the advantages of achieving a very good energy absorption effect, being replaceable, low in maintenance cost and environmentally friendly and the like.

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 discloses a torsion support with a vertical displacement function. The torsion support comprises a support top board, a support bottom board and position control springs. A bulb base isarranged in the center position of the bottom face of the support top board, and a supporting bulb is installed on the bulb base. A supporting base is arranged in the center position of the support bottom board, the supporting bulb is arranged in the supporting base, and the supporting bulb and the supporting base are spherically hinged. The four position control springs are arranged and evenly arranged between the support bottom board and the support top board in the circumferential direction with the supporting base as the center so as to pull and connect the support top board with the support bottom board. The torsion support can provide X-axis, Y-axis and Z-axis displacement, X-axis, Y-axis and Z-axis coupled rotating angle displacement and vertical translational motion displacement, the effects that the torsional amplitude of a bridge floor is controlled, and the torsion vibration characteristic of a bridge is changed are achieved, brittle failure of the connecting position of a pier and the bridge floor is effectively avoided, and the safety of the bridge is enhanced. The torsion support has the beneficial effects that applicability is wide, installation is convenient, the support can be automatically reset, and parts can be replaced.

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 relates to a two-stage energy dissipation assembly type RC frame joint with a beam-falling-prevention device. The two-stage energy dissipation assembly type RC frame joint comprises a prefabricated concrete column, built-in beam-falling-prevention dampers fixed in a prefabricated concrete composite superposed beam, a built-in compression resistant damper, a steel cable and an end steel plate, wherein the built-in compression resistance damper, the steel cable and the end steel plate are fixedly arranged on lower column channel steel; the built-in beam-falling-prevention dampers in a left beam and a right beam are connected through the steel cable; the end steel plate is arranged in the middle of the steel cable; the built-in beam-falling-prevention dampers and the built-in compression resistant damper are fixed; the reserved longitudinal bars of a lower precast concrete column and the reserved longitudinal bars of an upper precast concrete column are connected through steel bar sleeves; and the longitudinal bars on the upper portion of the beam penetrate through beam embedded stirrups to complete concrete pouring. The defects that an existing assembly type beam-column joint is complex in site construction procedure, and the anti-seismic effect of an assembly type joint is poor are overcome. The energy consumption forms are diversified, each memory alloy column and compression resistant rubber in the built-in compression resistant damper consume energy in the first stage, the built-in beam-falling-prevention dampers consume energy in the second stage, and therefore dangerous situations such as beam falling and the like of the beam-column joint can be prevented.

A universal pneumatic muscle embedded controller, including a control layer, a driving layer and a sensing layer; the control layer, the driving layer and the sensing layer are interconnected, and the control layer is responsible for receiving measurement data from the sensing layer and sending control signals to the driving layer . The drive layer includes a PWM signal amplification circuit and a high-speed switching valve; the input end of the PWM signal amplification circuit is connected to the PWM output module of the control layer, receiving the PWM signal generated by the PWM output module, and the output end of the PWM signal amplification circuit is connected to the high-speed switching valve; The circuit structure of the PWM signal amplifier circuit is a series connection of a follower and a switching transistor. It does not use an optocoupler switch. It has a simple structure and can receive higher frequency input signals. The invention realizes the integration of control, driving and sensing. The design of the driving board realizes 200Hz frequency output, which is 10 times higher than that of the traditional driver. The use of the logic module ensures that the two PWM signals are not sent out at the same time to cause conflicts.

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 a tube bundle which comprises a tube bundle body and connector assemblies arranged at one end and / or two ends of the tube bundle body. The tube bundle body comprises a soft protective sleeve and a plurality of hoses, and the protective sleeve comprises a first end and a second end opposite to the first end; the two ends of each hose penetrate out of the first end of the protective sleeve and the second end of the protective sleeve respectively. And one end and / or two ends of each hose are / is provided with a first connecting structure which is detachably connected with the joint assembly. The pipe bundle can be used as a central bridge between a steel pipe and a deepwater pre-debugging module, pre-debugging operation at a larger water depth and diversity of deepwater pre-debugging operation can be realized, the construction cost is reduced to a great extent, and the construction efficiency is improved.

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 relates to a fixed point torsion damping support with a self-resetting function and belongs to the field of dampers. The fixed point torsion damping support comprises an upper top plateof the support, a resetting type damping piston cylinder and a bottom bin of the support, wherein the resetting type damping piston cylinder is fixed in the bottom bin of the support through a fixingblock and a bolt, and the upper top plate of the support is connected with a piston rod bulb of the resetting type damping piston cylinder and a central post on the bottom bin of the support and is arranged at the uppermost end of the support. The support provided by the invention can control the torsion amplitude of a bridge and change vibration characteristics to avoid brittle failure of connecting parts so as to improve the safety of the bridge; furthermore, under large torsion vibration, by virtue of damping characteristics, the support can effectively reduce high-frequency vibration caused by wind and earthquake, control the relative vibration amplitude of the bridge and a bridge deck as well as consume external energy input; after the vibration is finished, the support can be automatically reset; and the support has the advantages of wide applicability, convenient installation, automatic resetting, replaceable parts and the like.

The invention discloses a nasal mask. The nasal mask comprises a mask body, a sealing part, a filter part and an ear-hook unit, wherein the mask body defines a covering space and comprises a first assembly edge defining a covering opening and a second assembly edge defining a vent hole; the covering opening and the vent hole communicate with the covering space; the sealing part is arranged on the first assembly edge and extends along the covering opening in a surrounding mode; the filter part is combined to the second assembly edge detachably and covers the vent hole; and the ear-hook unit comprises two hanging frames combined with the mask body, and the two hanging frames are located on the two sides of the position, close to the covering opening, of the mask body. The nasal mask is used for being worn on the face of a wearer and covering the nasal part so as to filter air inhaled during breathing.

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.

The invention relates to a grate (1) for use in a grate cooler for hot bulk material, having: the grate is alternately covered by at least one further grate when installed in the grate cooler the covered area (2); and the uncovered area (3) not covered by the additional grate (1) when the grate is used. According to the invention it is provided that the height (8) of the groove in the covered area is smaller than the height (7) of the groove in the uncovered area and that the bottom of the groove in the covered area is formed by a plurality of segments (9) The upper sides of these sections serve as support surfaces for the bulk material and gap-shaped cooling air ducts (10) are formed between these sections, the openings of the cooling air ducts existing between the upper sides of the individual sections respectively The orientation is angular to the vertical such that an acute angle exists in each case between the conveying direction of the bulk material and the direction of the flow of cooling air through the openings.

The invention discloses a self-powered human body sitting posture monitoring back cushion. The back cushion comprises a main body part and a sensing part, the main body part comprises a back cushion base, a stepped groove, a power module, a signal processing module and a communication module, the sensing part comprises a supporting base, a flexible electrode layer, a lower friction layer, a paper folding structure layer, an upper friction layer and an electric lead, the lower friction layer is composed of a lower friction layer base and frustum-shaped protrusions, and an integrated forming process is adopted. According to the self-powered human body sitting posture monitoring back cushion based on the friction nanometer generator principle, electric signals are generated through contact and extrusion between the upper friction layer and the lower friction layer, an external power source does not need to supply power to the sensing module, and the back cushion has the advantages of being simple in structure, safe to use and environmentally friendly.

The invention provides a transient milling temperature testing device capable of following cutter-cutting contact abrasion. The transient milling temperature testing device comprises a milling cutter blade, a T-shaped milling cutter handle connected with the milling cutter blade in a matched mode, a temperature collecting and transmitting terminal embedded in the T-shaped milling cutter handle, and a thin film thermocouple temperature sensor capable of following abrasion and embedded in the front cutter face of the milling cutter blade. The thin film thermocouple temperature sensor capable of following abrasion is embedded in the front cutter face of the milling cutter blade, so that a hot contact of the sensor can follow abrasion and the sensor can be detached and replaced, and the problem that the temperature of a contact area between the front cutter face of a cutter and cuttings cannot be measured by a traditional measuring method is solved; and the temperature collecting and transmitting terminal is embedded in the cutter handle, so that a temperature signal can be wirelessly transmitted to a personal computer (PC) end in real time in the milling process to display the real-time temperature in a changing curve form, and a new method and a new technical approach are provided for transient temperature measurement in high-speed milling and precision machining.

The invention relates to a pressure relief device of a reinforced concrete containment of a nuclear power plant, the pressure relief device comprises a piston and a protective cover, the piston is fixedly sealed at a pressure relief opening in the top of the containment, the protective cover covers the outer side of the piston, and the protective cover and the containment are firmly connected together; the pressure relief device further comprises a safety air bag which is used for absorbing and storing a radioactive gas ejected by the pressure relief opening when the piston is broken or ejected out by pressing; the safety air bag covers the peripheral side of the pressure relief opening, or the safety air bag is arranged on the protective cover; and the pressure relief device further comprises a protective net used for separating the piston and the inner cavity of the containment. The pressure relief device solves the difficult problem of pressure release during internal explosion or high internal pressure of the reinforced concrete containment of the nuclear power plant, serious nuclear leakage possibly caused by overall damage of the containment is avoided, and a reliable, easy-to-detach and replaceable pressure relief device is provided for safe operation of the nuclear power plant, can be widely applied to the design of a traditional pressurized water reactor nuclear powerplant and has a wide market prospect.

A novel sealed plate-type heat exchanger with external chnnel and welded structure features that the sealing pads for internal and external channels are arranged at the perforated corner of the welded and sealed casing, said sealing pads have an observing hole for observing if there is the heat exchanging medium in the hole to determine whether the pad is sealed or not. In the prerequisite that the good sealing of external channe is ensured, the clamping width of front and back clamp plates is changed to regulate the tight level of said sealing pad for increasing its working pressure and reliability.

The invention provides a gold-thread-free Schottky diode, and the diode comprises an insulating packaging shell, a Schottky chip, a first pin, an auxiliary conducting strip and a second pin; the Schottky chip is located in the insulating packaging shell, the lower end of the Schottky chip is electrically connected with the first pin, and the upper end of the Schottky chip is electrically connected with the auxiliary conducting strip; the second pin is fixed at the bottom of the insulating packaging shell; the insulation packaging shell is provided with through holes, the number of the through holes is consistent with that of the second pins, the through holes are located on one side of the auxiliary conducting strip, each through hole is filled with conductive resin, and the auxiliary conducting strip is electrically connected with the second pins through the conductive resin. According to the Schottky diode and the manufacturing method thereof, gold wires do not need to be welded, and the problems that the gold wires are difficult to weld and the gold wires are prone to contact with one another are solved.