38results about How to "Guaranteed assembly reliability" patented technology

The invention discloses a method for positioning and grabbing electronic liquid crystal display screens with different sizes. The method includes simultaneously acquiring images by the aid of two cameras; processing the images; searching for characteristics of shells; carrying out interior operation by the aid of the cameras and outputting operation results to robots; grabbing the liquid crystal display screens by the aid of the robots; arranging the liquid crystal display screens by the aid of the robots according to the operation results. The method has the advantages that an integral assembling procedures for grabbing and positioning each liquid crystal display screen and accurately arranging the liquid crystal display screen in the corresponding shell can be completed within the time no longer than 5 seconds, and accordingly the efficiency can be improved by more than 20 times as compared with the labor efficiency; work can be continuously carried out throughout the day all year round; only initial investment is required, and the cost can be correspondingly reduced by the cost for five workers; personnel operation can be omitted, accordingly, occasional errors due to personnel assembly and detection can be greatly reduced, and the assembly reliability can be guaranteed; the method is compatible to the liquid crystal display screens with different dimensions, only additional programs are required, and additional mechanical structures can be omitted; personnel do not need to be in contact with the liquid crystal display screens, and accordingly risks of product damage and product contamination can be prevented.

The invention discloses a flexible-shaft transmission-type tightening device and method for internal nuts of an aero-engine, and belongs to the technical field of automated assembly. The flexible-shaft transmission-type tightening device for the internal nuts of the aero-engine comprises a tooling pre-positioning system, a nut aligning and positioning system and a flexible-shaft transmission-typetightening execution system. Through the nut aligning and positioning system, a tightening sleeve is mounted on a to-be-tightened nut in a sleeving manner and driven by a tightening motor to completethe tightening work; by the adoption of the automated operation mode, the flexible-shaft transmission-type tightening device disclosed by the invention has the characteristics of being high in degreeof automation, high in motion precision and high in tightening precision; the manual operation task is relieved; the operation process is greatly simplified; errors introduced by the manual operationare avoided; the tightening consistency of the internal nuts is guaranteed; and the whole machine assembly work efficiency is improved.

The invention provides a water cutting end mounting structure and a vehicle. The water cutting end mounting structure comprises a water cutting end body and a clamping structure arranged on the watercutting end body. The clamping structure comprises a first clamping part used for being clamped and matched with the inner surface of an automobile door outer plate and a second clamping part used forbeing clamped and matched with an automobile door window frame, so that the water cutting end body is positioned through cooperation of the first clamping part and the second clamping part. The watercutting end mounting structure can effectively prevent the water cutting end body from overturning relative to the automobile door window frame and the automobile door outer plate and displacing andchanging in the Z direction through clamping fit of the first clamping part and the inner surface of the automobile door outer plate in the assembling state; therefore, the water cutting end body canbe reliably positioned, the assembly reliability is effectively ensured, and the overall outer sightseeing smoothness of the water cutting end mounting structure is ensured.

The invention relates to a light-concentrating type LED dual-light lens die set. The light-concentrating type LED dual-light lens die set comprises a radiator, a light source assembly mounted on the radiator, a light barrier assembly and a lens assembly, wherein the light barrier assembly and the lens assembly are mounted at the front part of the radiator; a first circuit board of a near LED die set of the light source assembly is mounted on a first mounting surface of the radiator, and a reflecting mirror with a free-form surface is mounted at the upper part of the radiator; rays emitted by a neat LED light source are reflected to a focal spot O in the lens by the reflecting mirror to be collected, and then ejected to the lens through a light barrier so as to form a near dead line light type; a second circuit board of a distance LED die set is mounted on a second mounting surface of the radiator, and a light condenser is mounted at the front part of the radiator through a light condenser bracket; and rays emitted by the distance LED light source are totally reflected to the focal spot O in the lens through the light condenser to be collected, and then ejected to the lens so as to form a distance light type. The light-concentrating type LED dual-light lens die set disclosed by the invention is compact in structure, can improve the precision of the distance light type and the near light type, and well solves the problems that dead lines spray color light, the distance light and the near light are out of alignment in focusing, and the distance light is uneven.

The invention provides an assembly method of a low-noise water supply pump. The assembly method comprises the following steps of designing a shaft system precision decomposition process, roughly positioning and assembling a motor bracket and a support, measuring the coaxiality of the hole positions of the motor bracket and the support, repairing and matching the coaxiality of the hole positions of the motor bracket and the support, assembling a transmission shaft, a bearing and a bearing supporting seat, forming a shafting no-load precision test by the transmission shaft and the bearing, assembling a cylinder body, a piston and the transmission shaft, testing the precision after assembling, detecting and debugging the noise of a motor-free lower shaft system, combining and assembling a motor and a motor rubber mat, and combining and assembling a coupler and a coupler shock insulator. According to the assembly method, the problems that resonance is prone to being generated due to the fact that motor vibration reduction assembling control of the space low-noise water supply pump is not quantified, shaft system rotating friction noise is prone to being caused due to the fact that precision such as coaxiality is not high during shaft system assembling, the noise is out of tolerance due to the fact that noise and performance measuring process control is not refined and the like are solved, the performance and the service life of the water supply pump are improved, and long-term operation safety is ensured.

The invention belongs to the technical field of image intensifiers, and particularly provides an EMI filter for an image intensifier and an assembling method thereof, the EMI filter is of a two-stagecombined filtering structure, integrates a capacitor, an inductor and a magnetic bead component, adopts a flexible printed board to independently design a layout, and then welds the designed flexibleprinted board on a high-voltage power supply PCB in a laminated mode. The bonding pad on the front side is reinforced, the bonding pad on the back side is insulated, the bonding pad and the high-voltage power supply PCB are bent together, the bonding pad and the high-voltage power supply PCB are put into the metal shell, encapsulating by using silicone rubber to finish integral shaping, and finally welding the shielding wire and the metal shell by 360 degrees. Reasonable placement of the EMI filter is achieved, the problems that a small image intensifier cannot directly use the EMI filter or the placement position and layout design are not ideal are solved, meanwhile, the small image intensifier can be reliably assembled on the image intensifier, the electromagnetic compatibility of the image intensifier is effectively improved, and it is ensured that the image intensifier can meet the requirement of an electromagnetic compatibility test.

The invention discloses an oil injector sealing gasket of an internal combustion engine. One to three ring-shaped bulges are formed on the lower surface of the oil injector sealing gasket; the lower surface of the oil injector sealing gasket is in contact with a gas cylinder cover; one to three ring-shaped grooves are formed in the plane of the gas cylinder cover, and mutually matched with the ring-shaped bulges on the oil injector sealing gasket; the upper surface of the oil injector sealing gasket is arch-shaped and in contact with an oil injector. The oil injector sealing gasket has the advantages of being simple in structure and convenient to machine; the sealing effect and the reliability are excellent; the oil injector has a positioning function, so that the assembly and work reliability can be guaranteed.

The present invention proposes a suitcase assembly device for assembling the suitcase on the fuselage frame, comprising a fuselage connecting unit, a suitcase connecting unit and a suitcase positioning unit, the fuselage connecting unit and the suitcase connecting unit adopt a certain The connection unit with axial freedom, the trunk positioning unit has a locking mechanism, which allows the connection unit to adjust the positioning position in the unlocked state, and fixes the connection unit in the locked state, so that the trunk assembly device can realize the rapid assembly of the trunk. Positioning and assembly solves the problems of cumbersome luggage installation process, difficult positioning adjustment and inconvenient maintenance in the later period.

The invention discloses an aircraft engine link mechanism nut alignment and tightening device and an aircraft engine link mechanism nut alignment and tightening method, and belongs to the aircraft engine internal assembly technology field. The aircraft engine link mechanism nut alignment and tightening device comprises a universal joint driving type tightening system, a nut alignment and positioning system and a device tool prepositioning system, wherein the device tool prepositioning system is installed on a housing of a rotor of an aircraft engine, the nut alignment and positioning system isinstalled on the upper portion of the device tool prepositioning system, and the universal joint driving type tightening system is installed in the nut alignment and positioning system. Positioning of a tightening sleeve is completed through the nut alignment and positioning system, and tightening work for nuts is completed by driving the tightening sleeve through a tightening motor. The aircraftengine link mechanism nut alignment and tightening device adopts a numerical control operation mode, simplifies the operation process, reduces manual operation task intensity, has the characteristicsof being high in automatic degree, high in motion precision and good in tightening state, and improves internal nut tightening efficiency of the aircraft engine.

The invention discloses a screwing and force limiting device and a using method thereof. The device comprises a locking device and a spanner assembly. The spanner assembly is installed on the locking device. The locking device comprises a locking sleeve which surrounds the spanner assembly. The upper end of the locking sleeve is fixedly connected with a locking disc. A first through hole is formed in the locking disc and used for being in plug connection with the spanner assembly. The spanner assembly comprises a transmission arm. The lower portion of one end of the transmission arm is connected with one end of the locking disc. A positioning hole is formed in the upper portion of one end of the transmission arm. A torque spanner is externally connected to the interior of the positioning hole. The transmission arm can rotate relative to the locking disc. The other end of the transmission arm is fixedly connected with a first spanner arm. The first spanner arm penetrates the first through hole. A pull rod is arranged in an inner cavity of the first spanner arm. The lower end of the pull rod is hinged to one end of a second spanner arm. The other end of the second spanner arm is fixedly connected with a spanner head. The purpose of assembling a rotor of a special structure is achieved, the cost for redesigning and manufacturing a tool is saved, and the screwing and force limiting device can be applied to assembling similar rotors and has the wide market application prospect.

The invention discloses a method for positioning and grabbing electronic liquid crystal display screens with different sizes. The method includes simultaneously acquiring images by the aid of two cameras; processing the images; searching for characteristics of shells; carrying out interior operation by the aid of the cameras and outputting operation results to robots; grabbing the liquid crystal display screens by the aid of the robots; arranging the liquid crystal display screens by the aid of the robots according to the operation results. The method has the advantages that an integral assembling procedures for grabbing and positioning each liquid crystal display screen and accurately arranging the liquid crystal display screen in the corresponding shell can be completed within the time no longer than 5 seconds, and accordingly the efficiency can be improved by more than 20 times as compared with the labor efficiency; work can be continuously carried out throughout the day all year round; only initial investment is required, and the cost can be correspondingly reduced by the cost for five workers; personnel operation can be omitted, accordingly, occasional errors due to personnel assembly and detection can be greatly reduced, and the assembly reliability can be guaranteed; the method is compatible to the liquid crystal display screens with different dimensions, only additional programs are required, and additional mechanical structures can be omitted; personnel do not need to be in contact with the liquid crystal display screens, and accordingly risks of product damage and product contamination can be prevented.

The invention relates to a TM01 medium resonator assembling device. A transitional metal band is introduced, so that the reliability of assembly of a TM01 medium resonator and a metal cavity is guaranteed. The TM01 medium resonator assembling device is characterized in that the TM01 medium resonator is welded on the transitional metal band in a single-end manner; the transitional metal band on which the TM01 medium resonator welded in a single-end manner is arranged on a cavity cover board by a thread on the transitional metal band; and therefore, a TM01 medium filter can be stably and reliably assembled. The TM01 medium resonator assembling device is suitable for any TM01 medium resonator and is particularly suitable for products which have relatively high requirement on the first pass yield of the TM01 medium filter, are relatively complicated in design and need massive overhaul and maintenance in the later stage.

The invention provides an assembly method of a low-noise water supply pump, including the precision decomposition process design of the shaft system; the rough positioning assembly of the motor bracket and the support; the coaxiality measurement of the motor bracket and the support hole; Hole coaxiality repair; transmission shaft, bearing and bearing support seat assembly; transmission shaft, bearing forming shaft no-load accuracy test; cylinder, piston, transmission shaft assembly and accuracy test after assembly; shaft noise detection without motor and debugging; combined assembly of motor and motor pad; combined assembly of coupling and coupling spacer. The assembly method provided by the present invention solves the problem that the motor vibration reduction assembly control of the low-noise water supply pump in the space is not quantified, and resonance is easily generated, and the coaxiality of the shaft assembly is not high, which may easily lead to shaft rotation friction noise, noise and performance measurement process. Unrefined control leads to problems such as excessive noise, which improves the performance and life of the water supply pump and ensures long-term operation safety.

The invention relates to the technical field of braking, and provides a method for installing a maintenance-free wear alarm on a brake, comprising the following steps: opening a first hole and a second hole on the brake; inserting the maintenance-free wear alarm into the In the first hole, until the first hole clamps the maintenance-free wear alarm and prevents the maintenance-free wear alarm from continuing to enter the first hole; swing the maintenance-free wear alarm so that the mounting protrusion on the housing The table is snapped into the second hole to prevent the maintenance-free wear alarm from withdrawing from the first hole; wherein, the distance between the first hole and the second hole on the same horizontal plane is the same as that of the housing The distance from the position of the opening of the first hole to the position of the installation boss is equal. The invention provides two holes on the brake, and only needs two steps to install the maintenance-free wear alarm on the brake, which simplifies installation, improves installation efficiency, and ensures assembly reliability.

The invention discloses a partition and supporting frame assembly. The partition and supporting frame assembly comprises a partition and a supporting frame which are matched with each other, wherein the partition is provided with a threaded hole; the supporting frame is provided with a positioning hole which is aligned with the threaded hole in a matched manner; the partition is connected with the supporting frame through a threaded fastener which sequentially penetrates in the positioning hole and the threaded hole; the partition is provided with a clamping hole; and the supporting frame is provided with a fastener which is matched with the clamping hole in a fastened manner. In a working process, by a double-fastening assembling structure comprising a threaded matching structure and a fastening matching structure, the overall assembly difficulty and the operation amount of the partition and supporting frame assembly can be reduced effectively on the basis that the strength of assembling of the supporting frame and the partition is guaranteed, an assembling process is simple and convenient, and the labor intensity of workers is reduced correspondingly.

The invention discloses a tooth-shaped gasket for preventing bolt following rotation and a high-strength bolt connecting pair. The tooth-shaped gasket comprises a gasket body, and radial teeth in the radial direction are arranged on the two end faces of the gasket body correspondingly; the radial tooth profiles comprise a plurality of outer tooth profiles extending inwards from the outer circle face of the gasket along the end face and a plurality of inner tooth profiles extending outwards from the inner hole of the gasket along the end face, the outer tooth profiles and the inner tooth profiles are arranged in a staggered and spaced mode, and the interval between every two adjacent outer tooth profiles and inner tooth profiles is small. The outer tooth profiles and the inner tooth profiles are arranged densely, and the number is large. By the adoption of the gasket, in the tightening process of applying torque to a bolt and a nut in a matched mode, the situation that the bolt and the gasket rotate along with the bolt is avoided, the nut can be reliably tightened, the assembling reliability and the equipment installation quality are guaranteed, and therefore the equipment safety is guaranteed. The device is particularly suitable for outdoor environments with severe use environments and places with severe working conditions on working sites and high working difficulty.