83results about How to "Eliminate assembly gaps" patented technology

The invention provides a backlight module. The backlight module comprises an optical membrane, adhesive tape and a light guide plate. The optical membrane is arranged on one side of the light guide plate. One part of the adhesive tape adheres to the peripheral side wall of the light guide plate, and the other part of the adhesive tape adheres to the outer side of the optical membrane. The optical membrane is fixed to the light guide plate through the adhesive tape and is directly and stably fixed to the light guide plate through the adhesive tape, and therefore back plates, rubber frames and other parts in existing backlight modules are omitted, assembly gaps existing in the backlight module assembly process are eliminated, and the overall thickness of the backlight module is reduced. In addition, the backlight module is simple in structure, and therefore the manufacturing cost is reduced, the assembly process of the whole backlight module is more convenient and rapid, and the assembly efficiency is greatly improved.

The invention provides an integrated type double-rigid-wheel harmonic speed reducer without an inner and outer ring rolling needle type flexible bearing. A new wave generator, a new inner ring, a new outer ring, a new flexible wheel, a rolling needle, rigid wheel end covers and a deep groove ball bearing are included; the new wave generator is composed of a wave generator body and a rolling needle flexible bearing inner ring; the new flexible wheel is composed of a flexible wheel body and a rolling needle flexible bearing outer ring; the new inner ring is composed of a fixed rigid wheel and a crossed roller bearing inner ring; the new outer ring is composed of an output end rigid wheel and a crossed roller bearing outer ring; and the new wave generator, the new inner ring, the new outer ring and the new flexible wheel are all integrated parts. In the technical field of harmonic speed reducers, the problems that a gap is likely to exist in the radial direction of the speed reducer, transmission is not stable, and rigidity is poor exist, and the double-rigid-wheel harmonic speed reducer which is small in body type, small in weight, compact in structure and high in rigidity is provided.

The invention discloses a disk brake cylinder assembly with a parking mechanism and a brake caliper. The disk brake cylinder assembly comprises a cylinder block, a piston, a travel adjusting threaded sleeve, a travel adjusting threaded rod, a steel ball, a drive shaft, a plane sliding bearing, an O-shaped seal ring and a spring resetting device. One end of the travel adjusting threaded rod is provided with a multi-head saw-tooth thread. The other end of the travel adjusting threaded rod is a ball disk with slope rolling ways. Arc-shaped guide bosses are evenly distributed on the outer edge of the ball disk, and the bosses are matched with grooves in a cylinder hole and prevent the travel adjusting threaded rod from rotating. The travel adjusting threaded rod has good centering performance, and therefore an auxiliary piston having the centering function in the piston is omitted. By the adoption of the disk brake cylinder assembly with the parking mechanism, the movement type of parts of the parking mechanism is simplified, and the risk that multiple leaking points exist in existing known structures is avoided. The disk brake cylinder assembly with the parking mechanism is simple in structure and higher in safety performance, the parts can be more easily machined, the transmission efficiency of the parking brake force is improved, and low cost, high performance and higher safety performance are effectively combined.

The invention discloses a non-contact type angular sensor for an automobile electronic accelerator, which comprises a casing, a rotor, a circuit board, a chip, a magnet, a cover plate and a rotor cover casing. The casing is provided with a circuit board assembly cavity and a rotor containing chamber, the chip is welded to the circuit board, a partition board is arranged between the circuit board assembly chamber and the rotor containing chamber of the casing, and the partition board is provided with a chip positioning frame. After the circuit board is assembled into the circuit board assembly chamber, the chip is matched into the chip positioning frame, and the cover plate is assembled on a chamber opening of the circuit board assembly chamber. The rotor is provided with a magnet containing chamber. After the rotor is assembled in the rotor containing chamber of the casing, the center of magnet containing chamber and the center of the chip positioning frame are located on the same axis, the magnet is assembled in the magnet containing chamber, and the rotor cover casing is fixed in the rotor containing chamber and located below the rotor. The non-contact type angular sensor for the automobile electronic accelerator can detect that the chip is coaxial with the magnet, thereby being favorable for improving detecting accuracy and saving programming.

The invention relates to a combined hollow bearing roller, wherein an expanding sleeve 1 is arranged in a sleeve 2, the sleeve 2 is of a cylindrical shape or a circular cone shape, an inner cavity is of an inner frustum shape, the expanding sleeve 1 is of a frustum shape, and the inner cavity is of an inner frustum shape. When the expanding sleeve 1 is forced to axially move from a large diameter end to a small diameter end through applying an axial force to the expanding sleeve 1 and the sleeve 2, because the incremental launching effect of a conical surface, the outer ring diameter of the sleeve 2 is evenly increased, thereby achieving the purpose of eliminating the assembly gap of a bearing and increasing the precision grade. The combined hollow bearing roller has four advantages of saving materials, high limiting rotational speed, high assembly accuracy and vibration reduction anti-noise and the like.

The invention provides a microtype DC machine rotor and its making method, including a rotor iron core and a rotating shaft through the center of the iron core, where there are wire slots for winding coil, axially made on the iron core, two ends of the rotor iron core are both installed with an insulating piece concentric with the iron core, and the extended edge round the wire slot of each insulating piece is bent at a right angle to the inside of the wire slot.

The invention discloses a three-clutch electromechanical coupling driving device for a motor vehicle. The three-clutch electromechanical coupling driving device comprises a shell body, a front end cover, a motor, an input shaft, a rotor support, a supporting shaft, a cut-off clutch and a double clutch. The motor is provided with a rotor and a stator. The cut-off clutch and the double clutch are integratedly arranged inside the motor. The rotor is connected with the rotor support connected with the supporting shaft. The left end of the supporting shaft is supported on an even-number gear output shaft of the double clutch through a bearing. The even-number gear output shaft of the double clutch is supported on an odd-number gear output shaft of the double clutch through a bearing. The odd-number gear output shaft of the double clutch is supported on the shell body through a bearing. The right end of the supporting shaft is supported on the input shaft through a bearing set. The input shaft is supported on the front end cover through a ball bearing. The three-clutch electromechanical coupling driving device has the beneficial effects of being small in axial size, small in part number, low in cost and high in precision.

The invention relates to a flexible water-cooling metal electrode used for a mono-crystal furnace, comprising a water-cooling copper pipe electrode, a stainless steel terminal clamp and a copper gland cover, wherein, the lower part of the water-cooling copper pipe electrode is welded with the stainless steel terminal clamp, and a water-cooling cycle is formed; the upper part of the water-cooling copper pipe electrode passes through the copper gland cover and is hermetically welded with the copper gland cover; the water-cooling copper pipe electrode is a complete water-cooling copper pipe which passes through the stainless steel terminal clamp and then returns back to the stainless steel terminal clamp to form a water-cooling cycle. Because the water-cooling copper pipe has an ability of plastic deformation and can be properly deformed under an exogenic action, thereby a position of the stainless steel terminal clamp can be conveniently moved within a certain range, and then a position of a connecting point between a stainless steel electrode and a graphite electrode and a heater. The invention is favorable for removing errors caused by factors like processing, assembly, time-dependent deformation and so on, and for accurately fixing the heater, thereby a good thermal field is obtained.

A motor includes a first housing, a second housing, a rotor and a stator. The second housing is assembled with the first housing to form an accommodating space. The second housing has a flange adjacent to the connection between the first and second housings. The rotor has a shaft extended outwardly from the second housing and disposed in the accommodating space. The stator is disposed corresponding to the rotor and in the accommodating space. The flange has at least one protruding portion. When the second housing is assembled with the first housing, the protruding portion presses against the stator and is deformed so that the first and second housings are sealed.

The invention relates to a high-bending-resistance hold hoop joint mechanically connected with a precast concrete beam-column pile rod. The hold hoop joint comprises two reinforcing hoops which are oppositely arranged, and a plurality of reinforcing ribs are fixedly connected to the inner side of each reinforcing hoop; a positioning groove and a sealing groove are horizontally formed in the outercircle face of each reinforcing hoop at intervals, a stress ring is arranged in each positioning groove, and a sealing ring is arranged in each sealing groove. An outer hoop sleeves the outer side ofthe two reinforcing hoops, a groove corresponding to each positioning groove is formed in the inner side wall of the outer hoop, a threaded fastener penetrating through the grooves is arranged on theouter hoop, and the threaded fastener is used for fixing the outer hoop and the stress rings to the reinforcing hoops in an abutting mode together. According to the hold hoop joint, manual welding process operation is avoided, the quality is controllable, mechanical connection is reliable, the labor intensity is reduced, the anti-corrosion performance is good, the steel consumption is extremely low, and the product cost and the construction cost are greatly reduced.

The invention discloses a self error correction leakage test mechanism and a leakage test device. The mechanism comprises a driving source, a gland in driving connection with the driving source, a leakage test assembly comprising a sealing member, a leakage test probe arranged at an interval from the gland, a rotation supporting body pressing against between the gland and the leakage test probe, and at least two elastic telescoping assemblies, wherein the leakage test probe is provided with a leakage test air channel, the sealing member is arranged on the leakage test probe and is used for incrimping sealing with a container port of a to-be-tested container, and the at least two elastic telescoping assemblies are connected between the gland and the leakage test probe and are arranged at intervals in a mode of surrounding the supporting body. The mechanism is advantaged in that for mounting errors of a cylinder and the to-be-tested container, assembling slits at contact portions of thesealing member and an end surface of the container port can be automatically adapted and eliminated, the automatic error correction function is realized, a problem that qualified containers are determined to be disqualified containers can be prevented, not only accuracy and reliability of the test result be improved, but also the rejection rate of containers is reduced, and avoidable loss of enterprises can be avoided.

The invention relates to a linear adjustment device for aligning transverse ribs of high-torque screw-thread steel, belonging to the technical field of steel rolling machinery. In the invention, a left adjustment disc and a right adjustment disc are adjusted to relatively rotate by adjusting a wedge to move up and down; the position of the wedge is fixed by an adjusting bolt when the left adjustment disc and the right adjustment disc are adjusted to needed angles so that the variation of an angle (phase) is generated between a left roll shaft sleeve and a left universal joint shaft which are respectively connected with the left adjustment disc and the right adjustment disc, and thus, the ultimate purpose of adjusting the relative angle (phase) between two rolls is ultimately achieved.

The invention discloses a cutting section structure of a deep hole boring mechanical arm. The cutting section is characterized by comprising a cutting section cylinder; a cutter mounting groove is formed in the front position of the cutting section cylinder for mounting a cutter; the cutter includes a tool bit part for forming a cutting edge, and a mounting handle part for realizing installation and radial cutter feeding transmission; the cutting edge position of the tool bit part is exposed out of the cutter mounting groove; and the tool bit part and the mounting handle part are separately designed, and are fixedly connected as a whole by a bolt. The cutting section has such advantages as simple structure, low cost, facilitation of transmission control and capability of further eliminating the assembly gap to improve the transmission control stability.

The invention belongs to the technical field of machines and relates to a universally and flexibly installed multi-position adjusting mechanism. The universally and flexibly installed multi-position adjusting mechanism comprises a rotary seat and a guide rail. The rotary seat is square, and the four corners of the rotary seat are each provided with a through hole which is internally provided with a flexible sliding device; and the rotary seat can be slidably fixed to the guiding rail through the flexible sliding devices, and a seat is installed on the rotary seat. The universally and flexibly installed multi-position adjusting mechanism has the beneficial effects that the rotary seat can deflect towards any directions through a flexible connecting device, the adverse effect brought by installation face deformation after guide rail installation on a product is avoided, and font-and-back moving smoothness can be kept all the time, so that the purpose that the product can be universally and flexibly installed and protected is achieved; two rotary blocks are tightly attached to the rotary seat for friction to eliminate an assembly gap and avoid product waggling during rotating, and therefore stability and smoothness of product rotating in the front-back direction and the horizontal direction of the guide rail are achieved; and front-back and rotary multi-position reliable fixing is achieved.

The invention discloses a manipulator with a precision transmission device, and relates to the technical field of robots. The manipulator with the precision transmission device comprises a wrist, anda wrist moving part for driving the wrist, wherein the wrist is an end effector; the wrist moving part comprises a four-axis driving part for driving the wrist to rotate, and a five-axis moving part for driving the wrist to swing up and down. According to the manipulator with the precision transmission device, the wrist is driven to swing up and down through the five-axis driving part, namely, theaxis position can be radially adjusted through a five-axis speed reduction wheel set, and assembling clearances of a first-stage gearwheel and an input gear are removed, and meanwhile, the assemblingclearances of a second-stage pinion and a second-stage gearwheel is removed. With the adoption of the manipulator with the precision transmission device, the engaging states of the two-stage gear transmission can be synchronously adjusted, so that the adjusted five-axis driving part is high in transmission rigidity and transmission stability; in addition, the four-axis driving part can be optimized, so that the stability of the wrist in rotating can be improved; and the wrist can be accurately positioned.

The invention discloses an integral assembly method for rotor magnetic poles of a wind driven generator. The assembly method comprises the following steps: 1, hoisting a rotor support to a rotor supporting table; 2, adjusting the height of a mounting platform; 3, placing a magnetic pole box on a track, controlling a propelling air cylinder to operate and push the magnetic pole box forwards along the track until the magnetic pole boxes abut against a baffle, then placing a next magnetic pole box on the track, controlling the propelling air cylinder to push the magnetic pole box forward along the track until the magnetic pole box abut against the previous magnetic pole box, and pushing other magnetic pole boxes of the magnetic pole one by one according to the method; 4, fastening all the magnetic pole boxes on the magnetic pole assembly tool are together through bolts to form a magnetic pole; and 5, detaching the baffle, and controlling a propelling air cylinder to push the magnetic pole into the rotor support along the track. According to the invention, the product reliability is improved, the labor intensity is reduced, the potential safety hazard is eliminated, and the product quality and the production efficiency are improved.