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40results about How to "Avoid work status" patented technology

Elevator door lock switch

The invention relates to the field of elevators, in particular to an elevator door lock switch. The elevator door lock switch comprises a switch bottom box, a main contact device, a secondary contact device and a circuit system, wherein the secondary contact device is connected with the circuit system; one side of the switch bottom box is provided with a mounting hole, the surface of the switch bottom box is covered by a cover plate, and the switch bottom box is provided with a rotating rod connecting assembly; and the rotating rod connecting assembly comprises a bolt pin and a rotating shaft which are mutually rotationally connected, the bolt pin passes through the mounting hole, the rotating shaft is rotationally arranged on the switch bottom box, the rotating shaft is connected with a telescopic device for recovering the position of the rotating shaft, a metal contact sheet connected with the main contact device and a safety device for protecting the safety are arranged on the boltpin, and the rotating shaft passes through the cover plate and is connected with a rocker arm assembly. The elevator door lock switch has the advantages that: the switch can play a role of a switch of a safety door lock under the conditions of simultaneous mechanical and electric control and simultaneous action, and the switch is safer and more reliable.
Owner:NINGBO ARTTEC CO LTD

High voltage distribution box

The invention provides a high voltage distribution box, which relates to the field of automotive high voltage electrical systems. The high voltage distribution box comprises a box body, a fan bottom bin, a fan, a mounting plate, a heating device, a fan switch, and a temperature detection device, wherein the side surfaces of the box body are provided with air outlets; the fan bottom bin is fixedly connected with the box body; the box body and the fan bottom bin form accommodating space; the fan is arranged in the accommodating space and is fixedly arranged on the fan bottom bin; the mounting plate is arranged above the fan, and the mounting plate is fixedly connected with the box body; the heating device and the fan switch are fixed on the mounting plate; the temperature detection device is arranged in the accommodating space; and the temperature detection device and the fan switch are respectively connected with a battery management system. The temperature in the accommodating space is detected through the temperature detection device, the battery management system judges the temperature, if the temperature is higher than a preset value, the fan works, air enters from air inlets and air is exhausted from the air outlets in the side surfaces of the box body, or otherwise, the fan stops working. Thus, the fan can be prevented from being in a constant working state, the temperature in the high voltage distribution box can be effectively reduced, and the service life of an electrical device can be prolonged.
Owner:BEIJING ELECTRIC VEHICLE

Automatic triggering starting circuit integrating reset function and HMD equipment

The invention discloses an automatic triggering starting circuit integrating the reset function and HMD equipment. The automatic triggering starting circuit integrating the reset function comprises a power supply device and a control unit and further comprises a power source voltage detection terminal and a multimedia interface voltage detection terminal, wherein the power source voltage detection terminal is used for detecting the input voltage of a power interface, and the multimedia interface voltage detection terminal is used for detecting the input voltage of a multimedia interface. Both the power source voltage detection terminal and the multimedia interface voltage detection terminal are connected with the enable signal output end of the power supply device. One path of the enable signal output end of the power supply device is connected with the control signal input end of a switching circuit. The control signal output end of the switching circuit is connected with a reset terminal of the control unit. The other path of the enable signal output end of the power supply device is connected with the control signal input end of the switching circuit through a time-delay switching circuit. The automatic triggering starting circuit integrating the reset function is low in power consumption, reset signals are generated by building a reset circuit, and reliability is high.
Owner:QINGDAO GOERTEK

Continuous caster and automatic casting process for automatically casting billet pouring box

The invention discloses a continuous caster for automatically casting a pouring box in a billet production process. The continuous caster comprises a large ladle, a support device, a pouring box, a pouring box turning device, a crystallizer, a vibrating device, a secondary cooling spray cooling system, a tension leveler system, a dummy bar, a storing device, a steel billet cutting device, a conveying roller way and a steel billet pushing device. Key points are that: a half-hung penetration protective casing is arranged in the sprue gate of the crystallizer; a swinging flow groove is formed between the pouring box and the crystallizer; a hydraulic cylinder is connected to the swinging flow groove; an overflow tank is connected behind the swinging flow groove; a liquid surface control isotope emitting source is arranged in the crystallizer; a controller which is matched with the isotope emitting source is arranged, and is connected with the hydraulic cylinder; an automatic covering slag adding device is provided; and the pipe orifice of an output guide pipe of the automatic covering slag adding device faces a gap between a crystallizer wall and the outer wall of the protective casing. The continuous caster has the advantages of convenience in installing and overhauling, reduction in manual labor force, elimination of high-temperature manual slag dredging, increase in control accuracy and reduction in accident rate.
Owner:福建圣力智能工业科技股份有限公司

Pavement sweeping device

The invention discloses a pavement sweeping device, which has a broom, wherein the handle of the broom is linked with a swing rod; the swing rod is provided with a chute in which a sliding block capable of sliding along the chute is arranged; the end part of the swing rod is provided with a spherical hinge fixed on a machine body of power equipment; the sliding block is connected with a crank through another spherical hinge; and the other end of the crank is connected with a power shaft by a pair of bevel gear. The device can be conveniently driven by power provided by a pedal-powered trishaw,an electro-tricycle and other small vehicles to realize the manual simulation of sweeping performed by single person with a broom in hands. In each rotation circle of the crank, a circulation of 'lowering, sweeping, lifting and offsetting' of the broom is completed. An environmental protection worker in front of the vehicle face forward to avoid directly facing dust while working, so labor intensity is reduced and sanitation condition is improved. Compared with large-sweeping machine, the device greatly reduces equipment investment and operation cost.
Owner:李明浩

A high voltage distribution box

The invention provides a high voltage distribution box, which relates to the field of automotive high voltage electrical systems. The high voltage distribution box comprises a box body, a fan bottom bin, a fan, a mounting plate, a heating device, a fan switch, and a temperature detection device, wherein the side surfaces of the box body are provided with air outlets; the fan bottom bin is fixedly connected with the box body; the box body and the fan bottom bin form accommodating space; the fan is arranged in the accommodating space and is fixedly arranged on the fan bottom bin; the mounting plate is arranged above the fan, and the mounting plate is fixedly connected with the box body; the heating device and the fan switch are fixed on the mounting plate; the temperature detection device is arranged in the accommodating space; and the temperature detection device and the fan switch are respectively connected with a battery management system. The temperature in the accommodating space is detected through the temperature detection device, the battery management system judges the temperature, if the temperature is higher than a preset value, the fan works, air enters from air inlets and air is exhausted from the air outlets in the side surfaces of the box body, or otherwise, the fan stops working. Thus, the fan can be prevented from being in a constant working state, the temperature in the high voltage distribution box can be effectively reduced, and the service life of an electrical device can be prolonged.
Owner:BEIJING ELECTRIC VEHICLE

Counter balance for middle school teaching

The invention discloses a counter balance for middle school teaching. The counter balance comprises a base and vertical support arms. Insert holes are formed in the upper surface of the base. The bottom portion of each vertical support arm is provided with a first magnet. A rotating disk fixedly inserted to a fulcrum shaft is arranged under each insert hole. The outer circle side wall of each rotating disk is provided with a plurality of convex teeth. Second magnets and third magnets are arranged alternately on the plurality of convex teeth. The second magnet and one end of a first magnet areopposite poles, and the third magnet and one end of the first magnet are same poles. A through hole is formed in the bottom portion of the insert hole. An external thread is formed on the outer wall of each vertical support arm. An adjusting gear pressed against the upper surface of the base is screwed in each vertical support arm. One side of each adjusting gear is engaged with a horizontal toothbar. The two adjusting gears at the two sides of the base are engaged to the two sides of the tooth bar respectively. A placement groove is formed in the upper surface of the base. The tooth bars areinserted into the placement groove. The two-end inner walls of the placement groove are respectively provided with a magnet layer. The two ends of the tooth bar are respectively provided with an ironlayer. The counter balance can effectively protect edges when placed.
Owner:盐城发特集团公司

A pallet balance used in middle school teaching

The invention discloses a counter balance for middle school teaching. The counter balance comprises a base and vertical support arms. Insert holes are formed in the upper surface of the base. The bottom portion of each vertical support arm is provided with a first magnet. A rotating disk fixedly inserted to a fulcrum shaft is arranged under each insert hole. The outer circle side wall of each rotating disk is provided with a plurality of convex teeth. Second magnets and third magnets are arranged alternately on the plurality of convex teeth. The second magnet and one end of a first magnet areopposite poles, and the third magnet and one end of the first magnet are same poles. A through hole is formed in the bottom portion of the insert hole. An external thread is formed on the outer wall of each vertical support arm. An adjusting gear pressed against the upper surface of the base is screwed in each vertical support arm. One side of each adjusting gear is engaged with a horizontal toothbar. The two adjusting gears at the two sides of the base are engaged to the two sides of the tooth bar respectively. A placement groove is formed in the upper surface of the base. The tooth bars areinserted into the placement groove. The two-end inner walls of the placement groove are respectively provided with a magnet layer. The two ends of the tooth bar are respectively provided with an ironlayer. The counter balance can effectively protect edges when placed.
Owner:盐城发特集团公司

Adjustment method of high-speed pantograph to prevent floating bow

The invention discloses an adjusting method for preventing flying of a high speed pantograph type current collector. The pantograph type current collector comprises insulators (1), a pantograph type current collector mounting seat (2), a lower arm (3), a lower guide rod (4), an upper arm (5) and a pantograph head (6); the lower end of the lower arm (3) and the lower end of the lower guide rod (4)are mounted to the pantograph type current collector mounting seat (2) in a hinged manner; the upper end of the lower arm (3) and the upper end of the lower guide rod (4) are hinged to each other through a connecting rod; the lower end of the upper arm (5) is hinged to the upper end of the lower arm (3); the pantograph head (6) is mounted at the upper end of the upper arm (5); the pantograph typecurrent collector mounting seat (2) is mounted on the three insulators (1) and is obliquely arranged; one end of the lower arm (3) is higher than one end with the lower guide rod (4); and the lower arm (3) is parallel to a reference plane of a roof, or an included angle between the lower arm (3) and the reference plane of the roof is a negative angle so that the lower arm (3) is inclined to the bottom of the reference plane of the roof. On the premise of keeping an existing four-connecting-rod structure and the size of the pantograph type current collector invariable, the aerodynamic characteristic of the pantograph type current collector under a high speed operation condition is optimized, the air lifting force borne on the pantograph type current collector during operating as a spare folding pantograph is reduced to prevent the spare folding pantograph from flying; and therefore, the safety operation reliability of the pantograph type current collector of a multiple unit train is enhanced.
Owner:BEIJING CED RAILWAY ELECTRIC TECH

Textile machine

The invention relates to a textile machine, comprising a plurality of stations having at least one consumer, in particular an electric drive, and a power supply unit having a plurality of power sources for supplying the at least one consumer with electrical energy. The power sources are designed in such a way that each power source supplies electrical energy independently of one another to at least some of the stations and is connected in parallel on the output side in order to jointly supply the power consumer. In order to provide a textile machine with high fail-safe performance, it is provided that the power sources are designed to detect and transmit the power data and / or operating temperature thereof to the control unit.
Owner:SAURER SPINNING SOLUTIONS GMBH & CO KG

Elevator door lock switch

The invention relates to the field of elevators, in particular to an elevator door lock switch. The elevator door lock switch comprises a switch bottom box, a main contact device, a secondary contact device and a circuit system, wherein the secondary contact device is connected with the circuit system; one side of the switch bottom box is provided with a mounting hole, the surface of the switch bottom box is covered by a cover plate, and the switch bottom box is provided with a rotating rod connecting assembly; and the rotating rod connecting assembly comprises a bolt pin and a rotating shaft which are mutually rotationally connected, the bolt pin passes through the mounting hole, the rotating shaft is rotationally arranged on the switch bottom box, the rotating shaft is connected with a telescopic device for recovering the position of the rotating shaft, a metal contact sheet connected with the main contact device and a safety device for protecting the safety are arranged on the boltpin, and the rotating shaft passes through the cover plate and is connected with a rocker arm assembly. The elevator door lock switch has the advantages that: the switch can play a role of a switch of a safety door lock under the conditions of simultaneous mechanical and electric control and simultaneous action, and the switch is safer and more reliable.
Owner:NINGBO ARTTEC CO LTD
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