418results about How to "Safe replacement" patented technology

A photosensitive member cartridge, having a photosensitive drum, is provided with guide grooves formed in opposite side walls of the photosensitive member cartridge. The guide grooves extend in an accurate shape from an upwardly open accommodating portion to a vicinity of a shaft of the photosensitive drum. A shaft of a developing roller has protruded opposite end portions that protrude outward from opposite sides of a case of a developer cartridge. The protruded end portions of the developing roller shaft are provided with bearings. When the developer cartridge is inserted into the accommodating portion toward the photosensitive drum, the guide grooves support and guide the bearings on the end portions of the developing roller shaft, so that the developer cartridge becomes properly set in the accommodating portion. An inverted triangular-shaped action-receiving portion, protruding from the outer surface of one of the opposite sides of the developer cartridge, is restrained from above by a lower contact portion of a lock lever that is disposed in the accommodating portion.

A linear light-emitting diode (LED)-based solid-state device comprising at least two shock protection switches, at least one each at the two ends of the device, fully protects a person from possible electric shock during re-lamping with LED lamps.

A linear light-emitting diode (LED)-based solid-state device comprising at least two shock protection switches, at least one each at the two ends of the device, fully protects a person from possible electric shock during re-lamping with LED lamps.

A flowmeter for detecting gas flow rates in a pipe. The flowmeter includes a container configured to be attached to the pipe having a channel through which the gas flows, and a plurality of recesses. Each recess has a window made of metal that is in acoustic communication with the channel. The flowmeter includes a plurality of transducers, with one transducer of the plurality of transducers disposed in each recess. The transducers transmit ultrasonic signals into and receive ultrasonic signals from the channel through the window in the housing recess in which a transducer is disposed. The flowmeter includes a controller in electrical communication with the plurality of transducers which determines the gas flow rate through the channel from signals received from the transducers. A housing for an ultrasonic transducer for a flowmeter which is inserted into a recess of a container. A method for detecting gas flow rates in a pipe. A transducer for an ultrasonic flowmeter.

The invention relates to an electric commercial vehicle battery box single-trip replacement robot which has the advantages of reducing the land occupation because the size of a replacement robot is effectively reduced, and being easily matched with an electric bus because an installing mode of a battery replacement device in the existing replacement robot is changed into a suspension installing mode. The electric commercial vehicle battery box single-trip replacement robot comprises a frame assembly, wherein the frame assembly is arranged on a walking assembly, a temporary storage rack is arranged at one side of the frame assembly, a control cabinet is arranged at the other side of the frame assembly, a lifting transmission assembly is arranged at the top of the frame assembly and is connected with a lifting assembly and also connected with a balance weight assembly, an objective table assembly capable of rotating in situ is suspended at the lower part of the lifting assembly, a fork assembly and a battery push handle assembly are arranged at the bottom of the objective table assembly, V-shaped wheel sets matched with a rectangular steel upright of a replacement robot frame are arranged at four corners of the lifting assembly, an objective table assembly rotating drive device is arranged on the lifting assembly, and a limit device is arranged on the objective table assembly.

The invention discloses a system and a method for quickly replacing electric bus batteries. The batteries are arranged above battery replacing robots instead of being arranged at an original position, so that the robots can acquire the charged batteries from above without turning around, and then the batteries can be replaced by the battery replacing robot on the sides as same as those of the battery replacing robot, so that occupied space of the batteries is saved, a turning mechanism of the battery replacing robot is omitted, equipment structure is simplified, and reliability and replacing efficiency of equipment are further improved. The system comprises charging storage rack units with the charged batteries thereon, at least one lifting battery replacing robot on the side as same as that of the corresponding charging storage rack unit is arranged and matched with the corresponding charging storage rack unit, each lifting battery replacing robot moves along the length direction of the corresponding charging storage rack unit, and is used for taking the batteries needing to be replaced down from an electric bus, lifting the batteries needing to be replaced to a battery storage position on the corresponding charging storage rack, taking the charged batteries and descending to a battery replacing position to complete battery replacement of the electric bus.

The invention relates to a UV radiation device for the treatment of fluids, in particular water or waste water. The device includes a radiation chamber through which the fluid can flow in one direction. The radiation chamber essentially comprises a rectangular cross-section and is bordered by two side walls as well as a base wall and a ceiling wall. The side walls and the base wall comprise a non-metallic material. Additionally, a number of lamp units are provided. The lamp units each have a radiation source and a cover tube surrounding the radiation source, and, the lamp units are essentially cylindrical in shape. The lamp units lamp units in at least one cross-direction are arranged towards the flow direction. The distance between two walls diagonally facing each other is less or equal to the discharge length of the radiation source.

An image forming apparatus includes a main controller unit provided in a main body of the image forming apparatus. The main controller includes a replacement component management memory to store lifespan information of a replacement component is provided in An authentication operation is performed with respect to the replacement component management memory, and the lifespan information of the replacement component is encrypted and stored in the replacement component management memory. Accordingly, the security of the main controller unit may be enhanced and illegal use of the replacement component may be prevented.

A switching mechanism switches on and off transmission of a striking force to a working tool, and switches on and off transmission of a rotational force to the working tool, thereby switching operation modes among at least a rotation and strike mode, a strike only mode, and a neutral mode. A rotation locking mechanism engages a cylinder during the strike only mode, thereby locking rotation of the cylinder. During the neutral mode, the transmission of the striking force, the transmission of the rotational force, and the locking of rotation of the cylinder are all turned off.

A battery includes at least one battery module line and a control unit. The at least one battery module line has a plurality of battery modules mounted in series. Each battery module includes at least one battery cell and a coupling unit. The at least one battery cell is mounted between a first input and a second input of the coupling unit. The coupling unit is designed to switch the at least one battery cell between a first terminal of the battery module and a second terminal of the battery module, on a first control signal, and to connect the first terminal to the second terminal on a second control signal. The control unit is designed to transmit the first control signal to a first variable number of battery modules of the at least one battery module line.

A curl prevention plate for a replaceable blade for microtome is provided with an overlap plate portion overlapped on the replaceable blade and a curl prevention plate portion having guard functions. The curl prevention plate is connected to the overlap plate portion and arranged in a cutting direction. A slit for exposing the cutting edge of the replaceable blade overlapped on the overlap plate portion is formed between the overlap plate portion and the curl prevention plate portion. The slit extends along the longitudinal direction of the overlap plate portion and intersects the cutting direction. As a result, it is possible to provide a curl prevention plate for a replaceable blade, which is simple in structure and capable of not only preventing thin slices cut out from a sample from being curled and protecting an operator's hands and fingers from being injured, but also allowing an operator to visually check the state of the thin slices cut out from the sample instantly.

The invention provides a battery locking mechanism applied to a battery swap system for electric vehicle chassis. The battery locking mechanism comprises a hanger fastener, a rotating locker retaining box, a central pull shaft, an ejector pin, a clamp pin, and a drive shaft. A drive key of the drive shaft clamps a clamp groove and holds the ejector pin so as to drive the central pull shaft inside the rotating lock retaining box to rotate; meanwhile, the clamp on the central pull shaft is driven to rotate to a first limit groove of a lower cover of the rotating lock retaining box so as to lock the central pull shaft. With the battery locking mechanism, a battery of an electric vehicle can be changed quickly, safely and reliably.

The invention discloses an electric bus power replacing robot system and a method. The system comprises a robot body and a robot console; the robot body comprises a mechanical part and an electric control part; the mechanical part comprises a horizontal moving unit arranged in the directions of three orthogonal coordinates X, Y and Z, a carrying platform unit and a bearing unit; the carrying platform unit comprises a carrying platform and a battery driving mechanism arranged on the carrying platform, and a battery push mechanism is arranged on the battery driving mechanism; the electric control part comprises a data acquisition device connected with a main control computer system, a power driving mechanism, an input / output (I / O) module and a wireless communication module I; and the wireless communication module I wirelessly communicates with a wireless communication module II in a control background and a wireless communication module III in a remote control device. By using a power replacing robot, the positioning precision of the power replacing process is high, the relative displacement is low, the position is accurate, and quick replacement of different electric bus power batteries is realized.

The invention relates to a system for quickly changing a chassis battery for an electric passenger vehicle based on a cartesian robot. The system comprises an electricity charging platform; the electricity charging platform, a quick-change robot and a charging support are positioned on the same line; the quick-change robot comprises a battery tray and a four-freedom-degree cartesian robot; On thefour-freedom-degree cartesian robot, an X-axis double-track rack is provided with an X-axis driving motor which is matched with the X-axis double-track rack, a Y-axis double-track rack is provided with a Y-axis driving motor which is matched with the Y-axis double-track rack, and a Z-axis double-track rack is provided with a Z-axis lifting motor which is matched with the Z-axis double-track rack,the battery tray is arranged on the Y-axis double-track rack and is connected with an R-axis driving motor which is matched with the battery tray; all driving motors are connected with corresponding encoders which are connected with corresponding drivers; the battery tray is provided with a distance measurement senor, and two ends of each double-track rack are provided with corresponding limit switches; and the drivers of all driving motors, all limit switches and the distance measurement sensor are all connected with a control system.

The invention discloses a drum device of an indoor type testing machine. The drum device is characterized by comprising a smooth steel base drum, a plurality of modularized road simulation units and a plurality of dynamic balance compensation units, wherein a spindle mounting hole is arranged in the centre of the smooth steel base drum axially; the modularized road simulation units are respectively detachably arranged on outer surface of the circumferential surface of the smooth steel base drum, and the modularized road simulation units are arranged in an end-to-end connecting manner; and the dynamic balance compensation units are respectively detachably arranged on the inner surface of the circumferential surface of the smooth steel base drum, and the dynamic balance compensation units are in dynamic balance compensation matching with the modularized road simulating units. Therefore, the drum device integrates road spectrum and road simulation in a proving ground of the modularized road simulation units and dynamic balance compensation of the dynamic balance compensation units, thereby simulating a tyre test in the proving ground.

The invention belongs to the technical field of methods for replacing rubber supports, and discloses a method for replacing a building shock insulation rubber support. The method is mainly technically characterized in that supporting force generated when temporary support bodies are arranged is the same as the design load of the building shock insulation rubber support, then the support is demounted, concrete on the top of a pier column is removed at the same time, a new shock insulation rubber support is jacked through force measurement jacks, the design load is reached, a pier top and pre-buried boards are connected, concrete is poured to the pier top and the pre-buried boards, and finally the temporary support bodies are demounted. By the adoption of the mode of combining column top descending with support jacking, space is provided for replacement of the support, stress evenness of supports for supporting a building is guaranteed, the situation that the structural stress changes due to the fact that one support does not bear force is avoided, needed jacking force of the jacks is small, replacement is quick and safe, and construction cost is low.

A handheld power tool is provided. The power tool comprises a casing body, a driving device, a clamping device, a hollow power shaft and a tool head storing device, wherein the driving device is arranged in the casing body for producing power; the clamping device is arranged on the front end of the casing body for clamping the tool head; the hollow power shaft is connected with the driving device and is driven to rotate by the driving device, and the hollow shaft is provided with a hollow cavity penetrating from the front end to the rear end and the front end is fixed in the clamping device; the tool head storing device is rotationally supported on the casing body, and comprises a plurality of tool head storing grooves; the rear end of the hollow power shaft correspondingly communicates with one of the tool head storing grooves. By adopting the inventive structure, the handheld power tool is capable of not only carrying tool heads of various specifications, but also facilitating the tool head replacement.

An animal cage including a plurality of joined walls defining an interior and presenting a first opening for accessing the interior. A door that is mounted over the first opening is moveable between closed and open positions alternately limiting and allowing access to the interior. A divider is operable from outside the cage to removably engage at least one of the walls for dividing the interior into first and second chambers. The divider presents an opening for passage between the chambers. A door panel is supported by the divider and is moveable relative to the divider between a closed position blocking the opening in the divider and an open position allowing passage between the first and second chambers. The cage may comprise a cage run consisting of one or more elongated enclosures that can be divided with the removable dividers into a plurality of cage compartments.

The invention relates to MC nylon engineering plastics and production process thereof. The MC nylon engineering plastics include 100 parts of masterbatch caprolactam, 1-2 parts of nanometer samarium oxide, 0.15-0.25 part of an accelerant sodium hydroxide, 0.5-1 liter of a curing agent TDI, 3-4 parts of a solid lubricant MoS2, 0.8-1.5 parts of graphite and 0.5-0.8 part of boron nitride. The production process comprises the specific steps of mould heating, feeding, curing molding, stress treatment and machining. The product of the invention can effectively transfer the external stress, and can lead to matrix yielding and consume a large amount of impact energy, so as to enhance the toughness and strength of the product. The production process of the invention employs a centrifugal casting technology, eliminates the inner pores of the product, overcomes the product quality problems of steel slider caused by internal pores and inclusion.

The invention provides a shield structure cutter head mud cake cutting device and cutting method, and relates to the field of shield structure mud cake cutting. The shield structure cutter head mud cake cutting device comprises a high pressure jet device. The high pressure jet device comprises an auto-rotating type sprayer and a barrel body which are installed on a cutter head. The auto-rotating type sprayer is connected with the front end of the barrel body through a main shaft assembly. The main shaft assembly comprises a main shaft. A water channel I is arranged on the side wall of the barrel body. A water channel II is arranged on the front end of the barrel body. The front end of the main shaft is of a hollow structure provided with a water channel III. The water channel I, the water channel II and the water channel III communicate with one another sequentially. A water inlet of the auto-rotating type sprayer communicates with the water channel III. The auto-rotating type sprayer on the device provides rotating power by utilizing reactive force when water flow rushes out, a mud cake is cleaned by 360 degrees with no dead corner through two high pressure column sprayers arranged on the sprayer, cleaned muck falls into an excavation bin and is discharged with a mud pipeline, and practicability is good.

The invention relates to a battery quick-change system for a power-driven bus. The battery quick-change system comprises a charging shelf, a transfer table is arranged in the middle part at the bottom layer of the charging shelf, a stacker connected with the charging shelf is arranged at the outer side of the transfer table, a quick-change robot matched with the transfer table is arranged at the inner side of the transfer table, and the charging shelf, the transfer table, the stacker and the quick-change robot are all connected with a console through circuits. The battery quick-change system can meet the requirements for quick change of a power battery of the power-driven bus, and is beneficial to the reasonable utilization of land resources and the decrease of space occupied by the powerbattery quick-change system, and a storage area of the power battery is sealed so that the service life of the power battery is prolonged.

The invention relates to a method and a device for quickly replacing an oil gas pipe section. The method comprises the steps of measuring the pipe section accurately on line by laser, performing data-graph transformation, prefabricating the pipeline accurately off line, and replacing the pipe section quickly on site. The pipe section to be replaced does not need to be disassembled on site in advance; the pipeline can normally operate all the time before the pipe section is replaced; and production is not stopped. The space geometric morphology data of the replaced pipe section is measured accurate by a laser overall meter and a measuring maker, so that the data of the replaced pipe section is acquired, and on-line, quick and accurate measurement of the pipe section is realized. The measuring data of the pipe section is transformed into a replacing pipe section welding technical graph by special data-image processing software. Off-line accurate prefabrication of the replacing pipe is finished by the obtained replacing pipe section welding technical graph and a special replacing pipe section welding device. The pipe section is replaced quickly and safely by the prefabricated pipe section on the pipeline maintaining site and under the condition that production is stopped for a short time.

The invention discloses a windproof advertising board which comprises a lower fulcrum bar, an upper fulcrum bar, an advertising board bracket, a hydraulic cylinder, a first fulcrum bar, a second fulcrum bar and a third fulcrum bar. The first fulcrum bar, the second fulcrum bar and the third fulcrum bar are all embedded and fixedly arranged on a floor plate of a tall building. The lower end of the advertising board bracket is hinged with the third fulcrum bar. One end of the lower fulcrum bar is hinged with the first fulcrum bar and the other end of the lower fulcrum bar is hinged with one end of the upper fulcrum bar. The other end of the upper fulcrum bar is hinged with the upper end of the advertising board bracket. The hydraulic cylinder is hinged with the second fulcrum bar. The free end of a hydraulic rod of the hydraulic cylinder is hinged with the middle part of the lower fulcrum bar. When the hydraulic cylinder works, i.e. the hydraulic rod extends out to erect the advertising board, the advertising board takes effects. In the case of strong wind, particularly typhoon, the advertising board is put down to the horizontal state by retraction of the hydraulic rod, so that the advertising board is prevented from being damaged by blow of the strong wind to fall down on the ground and the injuries and deaths of people or damage to vehicles are avoided. Moreover, after the windproof advertising board is put down, advertising contents are very convenient and safe to replace.

The invention discloses a normally closed semiautomatic gas emergency cut-off magnetic valve comprising a magnetic coil assembly, a valve cover assembly, a valve body and an open valve handle assembly, wherein the magnetic coil assembly and the valve cover assembly are mutually blocked and can be disassembled; the valve cover assembly is in threaded connection and fixed with a gas inlet cavity of the valve body, the gas outlet cavity of the valve body is provided with the open valve handle assembly, the open valve handle assembly is fixedly connected with a check ring, the check ring is in threaded connection with a mandrel, a flat seal film is sleeved on a lower lug boss of the check ring, and a spring is sleeved on the excircle of the mandrel; a circuit board and a coil frame are arranged in the magnetic coil assembly, a charging capacitor is arranged on the circuit board, and a coil is coiled on the coil frame; a permanent magnet and a built-in iron core are arranged in the valve cover assembly; when the magnetic valve is energized, the capacitor is charged; when the magnetic valve is deenergized, the capacitor releases electric energy to lead the coil to work in order to generate an electromagnetic field which has opposite polarity with a permanent magnetic field, and the magnetic force of the permanent magnetic field is weakened to lead the spring to push the mandrel and the check ring to move in order to close the valve. The normally closed semiautomatic gas emergency cut-off magnetic valve is easier to replace the magnetic coil for being separating from the permanent magnet, has low power consumption, can be automatically closed and manually opened only when deenergized, can automatically recover when energized, and improves the safety.

The invention provides a large-bearing low-rigidity suspension system for simulating an on-orbit weightless environment of a spacecraft. The large-bearing low-rigidity suspension system adopts a manner of centralized hanging, and comprises a foundation plate (6), a rack stand column (8), a lifting crossbeam (1), an elastic rope mounting disc (3), a hanging platform (4), load cells (9), a dragging mechanism (5), a dragging counter weight (7) and steering pulleys (12), wherein the elastic rope mounting disc (3) and the lifting crossbeam (1) are elastically connected through an elastic rope; the elastic rope mounting disc (3) is connected with the hanging platform (4) through a rigidity rod; the load cells (9) are mounted on the rigidity rod; the rack stand column (8) is fixedly connected to the foundation plate (6); and the dragging mechanism (5) and the dragging counter weight (7) are connected with the steering pulleys (12) through a steel wire rope (11). According to the large-bearing low-rigidity suspension system disclosed by the invention, the on-orbit weightless environment of the spacecraft can be more veritably simulated.

A tool structure composed of two pivotally connected handles and a tool head. The handle pivot shaft of the handles is spaced from the head pivot shaft of the tool head by a certain distance to form a double-lever structure for saving strength. A pin member is fitted through each handle in parallel to the handle pivot shaft, whereby the pin members can be forced to axially move within the handles. Each pin member has a large diameter section and a small diameter section. When replacing the tool head, a user only needs to press the pin members of the handles with a hand. At this time, the large diameter sections of the pin members are detached from the insertion notches of the tool head to easily replace the tool head with another tool head with different usage. The replacement can be completed without using any tool. Therefore, the tool head can be quickly assembled with the handles.

The invention provides a novel cigarette replacement core and a smoking set, and relates to the technical field of tobaccos. The novel cigarette replacement core comprises a shell; a heating pipe is arranged inside the shell, a hollow cavity is formed inside the heating pipe, and a tobacco containing cavity is formed between the outer lateral face of the heating pipe and the shell; an air hole for being communicated with the tobacco containing cavity and the hollow cavity of the heating pipe is formed in the heating pipe, and a conductive contact is arranged on the heating pipe; and an air inlet hole is formed in one end of the shell and is communicated with the hollow cavity of the heating pipe, and a plurality of air outlet holes are formed in the other end of the shell and are communicated with the tobacco containing cavity. The novel cigarette replacement core is convenient and rapid to use, the cleanliness of the smoking set can be kept, the tobacco matrix can be conveniently stored, and products are flexible and variable.

The invention discloses a device for replacing linear single-string insulators. The device comprises a fixed frame and a pulley connected below the fixed frame, the fixed frame is fixed to a cross arm, a pole end of the cross arm is connected with a worm and gear device, the worm and gear device drives the pulley to move along the fixed frame through a sheaves and lifting insulation ropes, the front end of the pulley is lifted upwardly obliquely through the sheaves and the lifting insulation ropes to drag an insulator string so as to enable connection load between the upper end of the insulator string and the cross arm to be transferred onto a clamping plate of the pulley, and connection load between the lower end of the insulator string and a wire is transferred onto the fixed frame through hooks and a pulley component, thereby convenience and quickness in demounting of the insulator string are achieved. The invention further discloses a method of using the device for replacing the linear single-string insulators. By means of cooperation of a pole operator and a ground operator, the insulators are replaced by indirect operations of the operators adopting ground potential, replacement operations of the insulator strings are all completed at the pole end and away from the insulator strings, and accordingly safety and high efficiency are achieved.

System and apparatus for repair of concrete surfaces, and a method of using the same, having slab removal plates, slab replacement plates, slab transport / replacement frame carrier vehicles, slab injection / guide collars for application of fluid binding material as support for the replacement slabs, and microprocessor controlled global satellite coordinates, wireless transmission, and bar code identification for slab replacement.