31results about How to "Flexible and stable rotation" patented technology

The invention provides an air conditioner, which comprises an air conditioner body and an air outlet part, wherein the air outlet part comprises an air outlet frame and a rolling support part, the air outlet frame is rotationally arranged at the upper end of the air conditioner body through the rolling support part in a way of going around an axial line of the air conditioner body, the rolling support part comprises a seat ring and a tooth ring, the seat ring is fixedly arranged on the upper end surface of the air conditioner body, the tooth ring is rotationally arranged on the seat ring relative to the seat ring in a way of going around the axial line of the seat ring, a rolling support element is arranged between the lower end surface of the tooth ring and the seat ring, and the air outlet frame is fixedly arranged on the tooth ring. The air conditioner, according to the invention, has the advantages that through the matched arrangement of the tooth ring and the seat ring, the rolling support element is arranged between the lower end surface of the tooth ring and the seat ring, so the tooth ring can flatly, stably and flexibly rotate relative to the seat ring, further, the air outlet frame arranged on the tooth ring is driven, the air outlet range is enlarged, and the air outlet dead corner is eliminated.

The invention relates to a propeller shaft seal installation structure of a full-rotation steering oar. A propeller shaft is installed on a lower gear box through a bearing assembly, and the extending end of the propeller shaft and the lower gear box are assembled in a seal mode. The invention is characterized in that a seal shaft sleeve, a bearing end cover and a sealing gland are sheathed on the extending end of the propeller shaft; the inner end of the seal shaft sleeve abuts against the bearing assembly; the bearing end cover is sheathed on the seal shaft sleeve and fixed on the outer wall of the lower gear box; an oil seal is installed between the bearing gland and the seal shaft sleeve; the sealing gland is sheathed on the seal shaft sleeve and fixed on the bearing end cover; a water-tight seal is installed between the sealing gland and the seal shaft sleeve; and a cavity is arranged between the water-tight seal and the oil seal and communicated with positive pressure oil in a gravity oil tank. The invention has the advantages of ingenious, compact and reasonable structure, and excellent sealability, and can ensure flexible and stable rotation of the propeller shaft.

The invention relates to a rotary pipe hermetical installation structure of a fully rotary steering oar. According to the technical scheme provided by the invention, the rotary pipe hermetical installation structure of the fully rotary steering oar is characterized in that: a rotary pipe is vertically arranged in a rudder tube of a trunk; the upper end of the rotary pipe is connected to a rotary supporting flange; a bearing is arranged between the rotary pipe and the rudder tube; the rotary pipe and the rudder tube rotate relative to each other; a shaft sleeve is sleeved on the rotary pipe; a sealing socket, an upper sealing transparent cover and a lower sealing transparent cover are sleeved on the shaft sleeve; the sealing socket is fixedly connected to the rudder tube; a watertight seal is arranged between the upper part of the sealing socket and the shaft sleeve; the watertight seal is packaged through the upper sealing transparent cover arranged on the upper end face of the sealing socket; an oil seal is arranged between the lower part of the sealing socket and the shaft sleeve; and the oil seal is packaged through the lower sealing transparent cover arranged on the lower end face of the sealing socket. The rotary pipe hermetical installation structure has the advantages of craft, compact and reasonable structure, capability of guaranteeing flexible and stable rotation of the rotary pipe and very good sealing property.

A centering rotating device for a rotatable mop basket includes a basket, a three-way positioning rotatable shaft sleeve, an isolating sleeve, a circumferential rotatable shaft sleeve, a mandrel, and a rotatable mop barrel; the basket includes a basket main body, and an installation hole with an elastic clamping hook; the three-way positioning rotatable shaft sleeve, the isolating sleeve, and the circumferential rotatable shaft sleeve are successively arranged in the installation hole with the elastic clamping hook and are in free connection with the mandrel, so that the basket can be rotatably positioned on the mandrel; the mandrel is fixedly connected to the rotatable mop barrel; and the basket rotating centering precision can be adjusted by adding the circumferential rotatable shaft sleeve. The centering rotating device is easy to assemble, is compact in structure, and is high in rotating precision. The invention also discloses a centering method for the rotatable mop basket.

The invention provides an air conditioner, which comprises an air conditioner body and an air outlet part, wherein the air outlet part comprises an air outlet frame and a rolling support part, the air outlet frame is rotationally arranged at the upper end of the air conditioner body through the rolling support part in a way of going around an axial line of the air conditioner body, the rolling support part comprises a seat ring and a tooth ring, the seat ring is fixedly arranged on the upper end surface of the air conditioner body, the tooth ring is rotationally arranged on the seat ring relative to the seat ring in a way of going around the axial line of the seat ring, the tooth ring is provided with a downward extending first flange, a rolling support element is arranged between the inner circumferential surface of the first flange and the outer circumferential surface of the seat ring, and the air outlet frame is fixedly arranged on the tooth ring. The air conditioner, according to the invention, has the advantages that through the matched arrangement of the tooth ring and the seat ring, the downward extending first flange is arranged on the tooth ring, and in addition, the rolling support element is arranged between the inner circumferential surface of the first flange and the outer circumferential surface of the seat ring, so the tooth ring can flatly, stably and flexibly rotate relative to the seat ring, further, the air outlet frame arranged on the tooth ring is driven to enlarge the air outlet range, and the air outlet dead corner is eliminated.

The invention discloses a transitional device integrating temporary storage and transfer of books and a control method thereof, belonging to the field of book management devices. The transitional equipment for book temporary storage and reversing transfer of the present invention includes a temporary book storage device and a reversing transfer device, and the reversing transfer device is arranged on one side of the temporary book storage device. The present invention uses the temporary book storage device to enable the returned books to be superimposed and temporarily stored one by one, and the books are transferred out one by one when the equipment is idle, which greatly shortens the waiting time for returning books and improves the efficiency of returning books; The temporary book storage device can reverse and transfer books by 90°. The reversing process and reversing action are stable and reliable, which facilitates the space layout of book conveying devices and book grabbing manipulators, and is conducive to improving the space utilization rate of intelligent book management equipment. Moreover, the transitional equipment for temporary storage and reversing transfer of books in this set has a simple and compact structure design, and the transmission action is stable and reliable.

The invention discloses a rotary-type rotor-stator precise positioning device and a method for bearing large axial loads. The rotary-type rotor-stator precise positioning device for bearing large axial loads includes a connecting plate structure, an externally threaded sleeve for adjustment, a drive rod, a first A needle roller thrust bearing, a second needle roller thrust bearing, a cylinder body and a fan-shaped body, the connection plate structure includes an internal thread sleeve, and the internal thread sleeve is provided with a first through hole for the adjustment of the external thread sleeve to pass through. The external threaded sleeve is threadedly connected with the internal threaded sleeve, and the external threaded sleeve is adjusted to be connected with the driving rod through the first needle roller thrust bearing and the second needle roller thrust bearing installed oppositely, and the driving rod is connected with one end of the cylinder; the cylinder The other end of the fan is connected to the large end of the fan-shaped body, and the small end of the fan-shaped body is provided with a boss to cooperate with the annular groove at the inner hole of the tail section of the low-pressure turbine shaft unit body. The invention has the advantages of accurate positioning, safety and reliability, high bearing capacity and accurate axial position adjustment.

A hinge with improved structure is composed of a hinge plate for door sash, a hinge plate for door frame, and a mandrel. Said hinge plate for door sash has an extended and curved plate whose end is curled for passing the mandrel through it. Said hinge plate for door frame has a central rectangular hole for recepting said curved plate, and upper and lower connecting plates with mandrel hole on them. The lower end of mandrel has a fastening part. When the door is closed, the hinge is hidden. Its other advantages are low friction and noise, and flexible rotation.

The invention provides an all-around special device for track construction and a method for realizing wire coil loading by using the device. The special device comprises a tractor head, a waste wire recycling wheel, a traction rope recycling trimming mechanism, a traction frame, a wire coil loading mechanism and an earth boring mechanism, wherein the waste wire recycling wheel and the traction rope recycling trimming mechanism are arranged on the wheel axles of a right rear driving wheel and a left rear driving wheel of the tractor head respectively; the traction frame is positioned at the back of the tractor head and is connected with a support of the tractor head in an articulated manner; the wire coil loading mechanism is arranged on the traction frame; the earth boring mechanism is arranged on the support of the tractor head, and is positioned above the back of the tractor head. Multiple functions of one vehicle can be realized by using the device, and the device is used for solving the problems that a great deal of manpower, material resources and financial resources need to be used and the working efficiency is low during track construction.

The invention discloses a profile laser cutting feeding mechanism for a replaceable profile clamping wheel. The profile laser cutting feeding mechanism comprises a base plate, a rotary circular disc and a profile clamping mechanism, wherein a circular groove is formed in one surface of the base plate; a first profile feeding hole is formed in the center of the circular groove and penetrates through the left surface and the right surface of the base plate; the rotary circular disc is rotationally arranged in the circular groove of the base plate; driving teeth are uniformly distributed at the circumference edge of the rotary circular disc; a plurality of driving gears are arranged at the edge, corresponding to the rotary circular disc, of the base plate and are in engaging transmission with the driving teeth of the rotary circular disc; a first driving motor is arranged on the base plate and is used for correspondingly driving the driving gears; the rotary centers of the driving gears are uniformly spaced along the circumference direction by using the center of circle of the rotary circular disc as the center; a second profile feeding hole is formed in the rotary circular disc and corresponds to the first profile feeding hole. The profile laser cutting feeding mechanism has the advantages that the structure arrangement is reasonable, the mechanism is suitable for cutting multiple profiles, the synchronous rotation accuracy is high, and the clamping effect is good.

The invention provides an air conditioner, which comprises an air conditioner body and an air outlet part, wherein the air outlet part comprises an air outlet frame and a rolling support part, the air outlet frame is rotationally arranged at the upper end of the air conditioner body through the rolling support part in a way of going around an axial line of the air conditioner body, the rolling support part comprises a seat ring and a tooth ring, the seat ring is fixedly arranged on the upper end surface of the air conditioner body, the tooth ring is rotationally arranged on the seat ring relative to the seat ring in a way of going around the axial line of the seat ring, a rolling support element is arranged between the lower end surface of the tooth ring and the seat ring, and the air outlet frame is fixedly arranged on the tooth ring. The air conditioner, according to the invention, has the advantages that through the matched arrangement of the tooth ring and the seat ring, the rolling support element is arranged between the lower end surface of the tooth ring and the seat ring, so the tooth ring can flatly, stably and flexibly rotate relative to the seat ring, further, the air outlet frame arranged on the tooth ring is driven, the air outlet range is enlarged, and the air outlet dead corner is eliminated.

The invention provides an air conditioner, which comprises an air conditioner body and an air outlet part, wherein the air outlet part comprises an air outlet frame and a rolling support part, the air outlet frame is rotationally arranged at the upper end of the air conditioner body through the rolling support part in a way of going around an axial line of the air conditioner body, the rolling support part comprises a seat ring and a tooth ring, the seat ring is fixedly arranged on the upper end surface of the air conditioner body, the tooth ring is rotationally arranged on the seat ring relative to the seat ring in a way of going around the axial line of the seat ring, a first rolling support element is arranged between the lower end surface of the tooth ring and the seat ring, an upward extending flange is arranged on the upper end surface of the tooth ring, and the air outlet frame is arranged on the flange. The air conditioner, according to the invention, has the advantages that through the matched arrangement of the tooth ring and the seat ring, the first rolling support element is arranged between the lower end surface of the tooth ring and the seat ring, so the tooth ring can flatly, stably and flexibly rotate relative to the seat ring, further, the air outlet frame arranged on the tooth ring is driven, the air outlet range is enlarged, and the air outlet dead corner is eliminated.

The invention discloses a rotary transferring scraper conveyer. The rotary transferring scraper conveyer comprises a scraper conveyer body (1), running steering wheels arranged at the ends of the scraper conveyer body, and a rotary mechanism arranged between the ends of the scraper conveyer body, wherein the rotary mechanism is of a barrel body mechanism or a steering frame mechanism, the barrel body mechanism comprises an upper barrel body (2), a lower barrel body (3) and a rotary sleeve connecting the upper barrel body and the lower barrel body, the steering frame mechanism comprises a loose joint, a bearing beam (5a) and a rotary device, a discharging disc (2a) is arranged on the rear portion of the conveyer, an annular receiving disc (3a) with an inclined opening is arranged on the front portion of the conveyer, and the loose joint comprises a supporting plate (11) arranged on a cross beam or the bearing beam, a rotary shaft (12) arranged on the supporting plate and a connecting plate (10) movably matched with the rotary shaft. The rotary transferring scraper conveyer can run in a servo mode and continuously turn around, achieves long-distance conveying, improves production efficiency greatly, reduces consumption of manpower, does not waste conveyed materials, and is beneficial to environment protection.

The invention discloses a rotary transferring belt conveyer. The rotary transferring belt conveyer comprises a belt conveyer body (1), running steering wheels arranged at the ends of the belt conveyer body, and a rotary mechanism arranged between the ends of the belt conveyer body. The rotary mechanism is of a steering frame mechanism or a barrel body mechanism, the barrel body mechanism comprises an upper barrel body (2), a lower barrel body (3) and a rotary sleeve connecting the upper barrel body and the lower barrel body, the steering frame mechanism comprises a loose joint, a bearing beam (5a) and a rotary device, a discharging disc (2a) is arranged on the rear portion of the conveyer, an annular receiving disc (3a) with an inclined opening is arranged on the front portion of the conveyer, and the loose joint comprises a supporting plate (11) arranged on a cross beam or the bearing beam, a rotary shaft (12) arranged on the supporting plate and a connecting plate (10) movably matched with the rotary shaft. The rotary transferring belt conveyer can run in a servo mode and continuously turn around, achieves long-distance conveying, improves production efficiency greatly, reduces consumption of manpower, does not waste conveyed materials, and is beneficial to environment protection.