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37results about How to "Easy to use, maintain and repair" patented technology

Human imitating clever hands driven by artificial pneumatic muscle

A pneumatically artificial muscle driven flexible manipulator simulating human hand is composed of the bones of index finger, middle finger, ring finger and little finger and consisting of three units, the thumb bone consisting two units, thumb linking palm, middle palm, little finger linking palm, and artificial tendons. The hand bone system has 21 joints and 17 freedoms.
Owner:BEIJING INSTITUTE OF TECHNOLOGYGY

Trigger switch with power failure restart protection function

InactiveCN101882523ARealize the function of power failure restart protectionCompact structureSwitch power arrangementsEngineeringPower tool
The invention discloses a trigger switch with a power failure restart protection function, which mainly comprises a base body (1), a shell (2), a trigger (3), a lock knob (4), a magnetic yoke (19), a coil (20), a magnetic core (22) and an armature (23), wherein the base body (1), the shell (2), the trigger (3), the lock knob (4) and related structural elements form a mechanical structure part of the switch, and the magnetic yoke (19), the coil (20), the magnetic core (22), the armature (23) and relates electromagnetic elements form the electromagnetic structural part of the switch. The trigger switch formed by the mechanical structural part and the electromagnetic structural part can realize closed locking after the switch is switched on and the off functions of the switch when power failure occurs suddenly, and if the switch is expected to be switched on again, the trigger is required to be pressed again to realize the power failure restart protection function of the switch. The invention has compact structure and low manufacture cost, is suitable for large and middle sized angular finishing grinders, polishing machines, waxing machines and other electric tools, and accords with the national safety standard.
Owner:ZHEJIANG JIABEN ELECTRONICS CO LTD

Welding method of titanium alloy framework and covering variable cross-section element

ActiveCN1990149ASolve Flatness ProblemsSolve the technical problem of severe welding deformation of symmetryWelding/cutting auxillary devicesAuxillary welding devicesThermal expansionTreatment use
A titanium alloy frame and covering variable cross-section components welding methods, it presets the titanium alloy foiling solder between the frame and covering to weld surface, uses thermal expansion assembly equipments or face pressurized thermal expansion assembly equipments clamping, heats the overall unit in vacuum environment to melting solder and covering entire surface welding, completes solder welding connection through diffusing treatment after solidifying, it also provides the structural components of face pressurized thermal expansion assembly equipments which can be used below 950 degree C repeatedly, the equipment structure is simple, woke reliable, cost low and easy to use, maintenance and repairs. And it reveals the innovative composite art parameters of high temperature solder welding and diffusing treatment using FTI high strength titanium alloy solder.
Owner:AEROSPACE RES INST OF MATERIAL & PROCESSING TECH

Friction stitch welding experimental device

InactiveCN101244484ABreak through the depth limit of saturation divingImprove welding qualityWelding/cutting auxillary devicesAuxillary welding devicesHot meltEngineering
The invention discloses a friction stitch welding method and the experimental device. The friction stitch welding method is as follow: a stopper (2), which rotates at high speed and applies pressure in axial direction, is inserted into a pre-boring welding hole (11) of a body (1) to be welded; the contact interface of the welding hole (11) and the stopper (2) is hot-melted, and a welding unit is formed after the crystallization and metallurgy reaction of the interface; a series of welding units (3) are overlapped to form a complete weld joint. The friction stitch welding experimental device comprises a base (5), a shift slipway (6) arranged on the base, a workpiece fixture (7), a beam (8), and a friction main shaft head (9), and is controlled by a console (10). The experimental device can not only be used in plate welding and pipeline welding, but also used in underwater welding experiments after assembled with a matching flume (71). The friction stitch welding method and the experimental device have the advantages of simple method, easy operation, high reliability, excellent quality; simple equipment, low cost, simple use, maintenance and repair.
Owner:BEIJING INSTITUTE OF PETROCHEMICAL TECHNOLOGY +1

Sealing equipment of sealed hole

A kind of stealing device of a closed hole which is mainly insisted of a secondary tight coupling device (1), an elastic sealing component (2), and a hold-down gear. Make the secondary tight coupling device with a sealing component (11) covering the holes (12) which need to be sealed at the same time connecting with the major structure (13). Put the elastic sealing component (2) into the mounting hole (14) and implant the sealing baffle plates (31) at the up-and-down of mounting hole and one of them is installed at the inner of if and another is installed at the edge of it also there is a hold-down bolt (32) through the center of it. It can implement the sealing affection and get the bearing of self allocation by hold-down bolt (32) and the sealing baffle plate (31) pressure to the elastic sealing component. The invention has high reliability, significant sealing affection, simple structure, low manufacturing cost and it is convenience to use, maintenance and repair.
Owner:AEROSPACE RES INST OF MATERIAL & PROCESSING TECH

Underwater steel construction crackle friction stitch welding renovation method and equipment

The invention relates to a friction stitch welding repairing method for the underwater steel structure cracks and the device, wherein, the friction stitch welding method is as follow: a stopper (2) rotating at high speed is inserted in the preboring welded hole (11) and is applied with axial pressure; the contacting interface of the welded hole (11) and the stopper (2) is heated and melted to form a plurality of welding units (3) through crystallization and metallurgical reaction; the welding units (3) are overlapped with each other to form a complete stitch welding seam (4). The repairing device for the underwater steel structure cracks adopts the friction stitch welding method and comprises a plurality of underwater components and a plurality of above-water components, wherein, the underwater components comprise a friction spindle head (5), an underwater operational manipulator (6), an automatic tool magazine (7), a tool changer (8) and an underwater teleoperator (9); the above-water components comprise a hydraulic power system, an electric control system and a data acquisition system. The device adopting the friction stitch welding method has the advantages of excellent welding quality, simple structure, reliability and easy operation, low cost and easy use, maintenance and repair.
Owner:BEIJING INSTITUTE OF PETROCHEMICAL TECHNOLOGY

Biophotosynthetic reactor apparatus and process for producing micro algae

The present invention is biophotosynthetic reactor apparatus and process for producing micro algae. Inside one transparent photosynthetic greenhouse, there are at least one closed transparent circulating pipeline unit with at least one layer of sealed circulating pipes made of high energy converging light-converting RE material, and light-converting plates or films of high energy converging light-converting RE material. Inside the sealed circulating pipes, chlorella is cultured. The present invention has full utilization of natural illumination, capacity of avoiding hetero microbe contamination, effective control of temperature and CO2 addition and high chlorella yield and quality.
Owner:北京中企绿歌生物技术中心

Welding trolley with bidirectional locking mechanism

The invention discloses a welding mechanism with a bidirectional locking mechanism, mainly comprising a trolley locking mechanism (1) and a trolley walking mechanism (2), wherein a motor shaft gear (29) in the trolley walking mechanism (2) is mutually meshed with an intermediate gear (21); an intermediate gear B (22) is meshed with a driving gear (27) which is meshed with a guide rack (32); front driving wheels (26) are respectively arranged on the left side and the right side of a front driving shaft (31) and rear driven wheels (35) are respectively arranged on the left side and the right side of a rear driving shaft (33), thereby forming a main body of the trolley walking mechanism (2); a compression shaft (14), a cone-shaped compression wheel (15), a sliding block (12), a stop block (10) and a locking wheel (11) form the locking mechanism (1); and the compression of the compression wheel (15) on the side of a guide rail (3) can be realized by rotating the compression shaft (14) and the locking wheel (11). The invention has the advantages of simple structure, smallness, flexibility, reliable work, low construction cost and simple and easy maintenance and repairing.
Owner:BEIJING INSTITUTE OF PETROCHEMICAL TECHNOLOGY

Method for controlling suction and abutment system for fully-automatic cutting machine of radial tyre fiber cord fabric

The invention discloses a kind fiber curtain cloth automation cut machine assimilate and meet system control method, the system including guide equipment, store cloth equipment, transmission and cut equipment, curtain, acetabula frame, assimilate and meet pull equipment, assimilate and meet control equipment, the control method is though the acetabula assimilate and test the curtain cloth by laser, the test signal drive the acetabula all data service mode change (speed mode and position mode)to achieve accumulate confirm length and pull slot, test edge automatism, to achieve accumulate assimilate and meet. This method is the integrate and comprehensive of the advanced technology. Its form is simple and run accumulatly and reliable, use and maintain easy.
Owner:BEIJING INSTITUTE OF PETROCHEMICAL TECHNOLOGY +1

Sewage preprocessing multifunctional solid-liquid separator

A multi-functional solid-liquid separator for sewage pretreatment is mainly composed of a slowing box (1), an interception net (2), a sewage holding bucket (3), a frame construction (4), an inlet pipe (5) and a sludge pipe (6), wherein, the slowing box (1) is arranged inside the interception net (2), and the sewage holding bucket (3) is arranged under the slowing box and the sewage holding bucket. The top of the slowing box (1) is not sealed, a part of the box bottom (11) is cut off by a sealing bottom (14) and the sewage holing bucket (3) and the rest part is provided with a flushing orifice (12) which is communicated with the sewage holding bucket (3). The slowing box (1) can cause the income water to form fluid with non-continuity and certain splashing flow speed and fluid with gentle drop, the interaction of which can separate the light hair and comparatively heavy solid from the sewage, which are finally discharged from the sewage holding bucket. The separator has advantages of simple structure, high efficiency, low cost and convenience for maintenance.
Owner:BEIJING INSTITUTE OF PETROCHEMICAL TECHNOLOGY

Material feeding device

ActiveCN101041121AChange speedAdapt to large changes in the total amountFeed devicesDrive shaftReducer
The invention relates to a feeding and dispensing device, mainly comprising shell of storage house, middle shell, bottom flange, rotary brush, filter screen, agitator, floating disk module, rotary metering disk, fixed disk, carrying segment module and power driving part. Motor and reducer of power driving part are connected with driving shaft with each other and on the driving shaft the rotary brush, the agitator and the rotary metering disk are connected. The filter screen is fixed on the middle shell and the floating disk module is set between the agitator and the rotary metering disk. The fixed disk is set under the rotary metering disk and the carrying segment module is set under the bottom flange. The invention realizes the continuous accurate feeding and dispensing of catalyzer in polymerization reaction and it can be used in petrochemical industry, food and medicine industry. The invention is provided with compact structure, easy utilization and maintenance.
Owner:BEIJING AEROSPACE PROPULSION INST

Pulse time discrimination device

The invention discloses a pulse time discrimination device. The pulse time discrimination device comprises a bipolar pulse former and a double-threshold zero-passage time discriminator, which are connected with each other, wherein the bipolar pulse former consists of a pulse resonator and a pulse amplifier, which are connected in sequence; a unipolar pulse signal excites the pulse resonator to generate attenuation oscillation so as to form a bipolar pulse signal; by using a zero-passage time point of the bipolar pulse signal as pulse time information, the pulse amplifier only linearly amplifies an amplitude signal nearby a zero-passage point; the double-threshold zero-passage time discriminator comprises a zero-passage comparator, a pre-discriminator, a monostable circuit and the like, which are connected in sequence. The pulse time discrimination device is simple in structure, low in cost and convenient and reliable to use, and can be applied to pulse time discrimination of measuring instruments such as nuclear physics and high-precision laser pulse distance measuring instruments.
Owner:BEIJING INSTITUTE OF PETROCHEMICAL TECHNOLOGY

Prefabricated bin for high-voltage SF6 phase angle control switching breaker

The invention relates to a prefabricated bin for a high-voltage SF6 phase angle control switching breaker. A box is divided into a plurality of compartments, namely an incoming line compartment, a PT (potential transformer) compartment, at least one capacitor compartment, at least one inductor compartment, a transformer compartment and a control chamber. The prefabricated bin is simple in structure, small in occupied area, capable of realizing workshop assembly, low in cost, and convenient to use, maintain and overhaul.
Owner:郭建厂

Non-guide rail automatic-tracking flexible crawl trolley

The invention relates to a non-guide rail automatic-tracking flexible crawl trolley. The trolley mainly comprises a travel mechanism (1), a rigid connection plate (2), a magnetic wheel rotary shaft (3) and an axial sensor (4), wherein the travel mechanism (1) provided with two groups of magnetic wheels (18) is provided with a combination structure of an upper pressing plate (9) and a lower pressing plate (10); a pressure spring (12) is connected between the upper pressing plate and the lower pressing plate; the combination structure is fixed through both ends of the rigid connection plate (2)to form a main body of the crawl trolley; moreover, the trolley is provided with a fan gear wheel (7) and a pinion (6); and an angle sensor (5) is fixedly connected with the rotary shaft (17) of the pinion (6). The non-guide rail automatic-tracking flexible crawl trolley has the characteristics of simple structure, reliable operation, low cost and simple use and maintenance, and an execution mechanism of the trolley can be replaced according to practical requirements; therefore, the trolley can be used in engineering projects such as the welding of inner and outer circular seams and vertical seams of pipelines, groove machining, welding seam detection as well as all-position welding and body spraying of spherical tanks.
Owner:BEIJING INSTITUTE OF PETROCHEMICAL TECHNOLOGY

ld laser phase mixing device and method

The invention relates to an LD (Laser Diode) laser phase mixing device and an LD laser phase mixing method, which are used for mixing phases of light which is emitted by an LD light source and is collimated by a first collimating lens. The LD laser phase mixing device comprises a fixed cylindrical seat, a micro-motor, a cross grating and a second collimating lens, wherein the micro-motor is installed on the fixed cylindrical seat; the cross grating is installed on the micro-motor and rotates at high speed under the drive of the micro-motor; the second collimating lens is installed on the fixed cylindrical seat and the cross grating is arranged on an object focal plane of the cross grating to enable light waves emitted by all points on the light emitting surface of the LD light source to be fully mixed on the image focal plane of the second collimating lens after diffraction of the cross grating and the conversion of the second collimating lens. The device provided by the invention has the advantages that the structure is simple, the cost is low, the device is convenient and reliable to use, the device is especially suitable for the field of high-precision laser ranging, any beam of light waves which are emitted towards a reflecting target contains light wave information of all points of the light emitting surface and the sighting error caused by phase unevenness can be basically eliminated through an average effect of a photoelectric receiver.
Owner:BEIJING INSTITUTE OF PETROCHEMICAL TECHNOLOGY

Environment protection energy-saving cold and warm air conditioner

The invention relates to an environment-friendly and energy-saving cold and warm air conditioner, which mainly comprises a shell, a wind wheel, a coolant device, a heat exchanger, an electric heating device, a motor and a control board, wherein the shell is divided into an air reservoir, a control chamber and a heat exchange chamber by frames; the air reservoir is provided with a refrigerating crystal air tank and a No. 2 decompression ball; the heat exchange chamber is provided with the heat exchanger, the electric heating device and the wind wheel; and the control chamber is provided with the motor and the control board. The environment-friendly and energy-saving cold and warm air conditioner does not adopt a compressor and a habitually used coolant but adopts the principle of instant refrigeration under the condition of collision and chemical combination of a refrigerating crystal and air entering into a No. 1 refrigerating sphere and air of the heat exchanger, so that the environment-friendly and energy-saving cold and warm air conditioner meets the requirements of low manufacturing cost, simple structure, convenient assembly, environmental protection and energy conservation, and is easy and simple to use and maintain.
Owner:常州尧棋纺织品有限公司

DC button switch having dustproof function and potentiometer output

ActiveCN107393740ASolve the defect of no waterproofCompact structureElectric switchesTrimmerElectronic component
In a DC button switch having a dustproof function and a potentiometer output, a mechanical structural part of the switch mainly comprises a base (1), an intermediate base (2), a push shaft (4), a sealing cushion block (5), a rubber sealing sleeve (6), a bottom cover (3) and a related structural member, the circumferential edge of a matching connection position of the base (1) and the push shaft (4) are sealed by the rubber sealing sleeve (6), and the sealing cushion block (5) is additionally arranged and used for fixing a connection position of the sealing sleeve of the push shaft to achieve a better sealing effect and a better positioning effect; and moreover, an electronic structure part of the switch comprises a speed regulation spring sheet (7), a circuit board (9), a waterproof terminal (10), a wire (11) and a related electronic component, and a connection position of the waterproof terminal (10) and the bottom cover (3) are sealed by a pouring sealant with relatively large viscosity. With the adoption of the scheme, the dustproof and waterproof function with a relatively good sealing effect can be achieved, the protection class can reach IP67, the DC button switch is compact in structure and low in construction cost and is widely applied to a DC electric gardening tool such as a DC suction blower, a DC grass trimmer and a DC electric chain saw, and conforms to the national safety standard.
Owner:ZHEJIANG JIABEN ELECTRONICS CO LTD

Household electrical appliance button switch

InactiveCN103854904AThe structure is firmly combinedExtended service lifeElectric switchesSupersonic wavesEngineering
Disclosed is a household electrical appliance button switch. The household electrical appliance button switch is mainly composed of a base casing assembly (1) and a base cover assembly (2). The two sides of a base cover (21) are provided with barbs (16), the two are buckled and pressed to finish assembling, a base casing (11) is provided with a supersonic wave welding groove (17), and the supersonic wave welding groove (17) cooperates with a supersonic wave welding rib (27) arranged on the base cover (21) for supersonic wave welding. The household electrical appliance button switch has the advantages of simple structure, easy manufacturing, easy popularization, and simple use, maintenance and repair.
Owner:ZHEJIANG DAWEI ELECTRONICS
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