32results 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 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 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 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 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 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.

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.

The invention relates to a novel charger shell. The novel charger shell comprises a first shell body and a second shell body. A first cavity with one end being open is arranged in the first shell body. A second cavity with one end being open is arranged in the second shell body. The first shell body and the second shell body are fixedly connected in a thread screwing manner. The first cavity and the second cavity constitute a containing cavity. The first shell body comprises a first upper shell body and a first lower shell body which are integrated. The outer wall face of the front portion of the first upper shell body is an inclined face. The outer wall face of the front portion of the first upper shell is provided with a window. The inner wall of the front portion of the first upper shell body is provided with a first insertion groove and a second insertion groove, wherein the first insertion groove and the second insertion groove are distributed on the two sides of a window correspondingly. Insertion plates on an LCD voltage, electricity quantity and current display installation plate are inserted into the first insertion groove and the second insertion groove of the inner wall of the front portion of the first upper shell body. The novel charger shell is firm in combination, has the function that the LCD voltage, electricity quantity and current display installation plate can be replaced and has great market application and popularization value.