CN107100944B - Drum-shaped tooth universal transmission shaft - Google Patents
Drum-shaped tooth universal transmission shaft Download PDFInfo
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- CN107100944B CN107100944B CN201710507156.2A CN201710507156A CN107100944B CN 107100944 B CN107100944 B CN 107100944B CN 201710507156 A CN201710507156 A CN 201710507156A CN 107100944 B CN107100944 B CN 107100944B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
- F16D3/16—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts
- F16D3/18—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts the coupling parts (1) having slidably-interengaging teeth
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B35/00—Drives for metal-rolling mills, e.g. hydraulic drives
- B21B35/14—Couplings, driving spindles, or spindle carriers specially adapted for, or specially arranged in, metal-rolling mills
- B21B35/142—Yielding spindle couplings; Universal joints for spindles
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Abstract
The invention discloses a crowned teeth universal transmission shaft, wherein a left/right crowned teeth outer gear sleeve and a left/right crowned teeth inner gear ring matched with the left/right crowned teeth outer gear sleeve are arranged outside Zhou Jiancao at two ends of a shaft body, and inner/outer crowned teeth processed on the outer gear sleeve and the inner gear ring are meshed with each other. The outer periphery of the shaft body close to the outer tooth sleeve is symmetrically provided with a left/right inner convex spherical sleeve, an outer concave spherical sleeve and an outer convex spherical sleeve, and a plurality of layers of sealing rings are arranged between the left/right inner convex spherical sleeve, the outer concave spherical sleeve and the outer convex spherical sleeve. The spherical surface of the left/right outer convex spherical sleeve is also provided with a left/right inner concave spherical sleeve and a compression ring, a plurality of elastic compensators are arranged on the compression ring connected with the outer convex spherical sleeve and the middle compression ring, so that a proper gap is reserved between the concave spherical movable sleeve on the left/right concave spherical sleeve and the concave spherical fixed sleeve, and a lubricating oil cavity is formed between the left/right outer tooth sleeve and the outer convex spherical sleeve. The transmission shaft is driven by the crowned teeth, can realize universal transmission, has the stress end and the force transmission end which are both double-spherical sealing, has good sealing effect, does not leak oil, runs stably, and has popularization value.
Description
Technical Field
The invention relates to a transmission shaft, in particular to a crowned tooth universal transmission shaft matched between a roller and a motor and applied to a hot-rolled plate production line or a cold-rolled plate production line.
Background
The transmission shaft running at high speed is a transmission mechanism arranged between the output end of the motor gearbox and the roller of the hot-rolling/cold-rolling plate production line, and the safe running and sealing performance of the transmission shaft plays a key role in stabilizing hot-rolling or cold-rolling production and quality assurance. At present, no matter the equipment is introduced from abroad (such as from Germany or Japan) or the domestic self-produced device, the problems of poor sealing and oil leakage at the joint of the transmission shafts exist, the production and the service life of the equipment are seriously influenced, for example, the transmission shafts used on the cold-rolled sheet production line adopt self-stored grease lubricating devices, and the lubricating devices have simple structures and relatively low manufacturing cost but unreliable lubrication; the transmission shaft of the hot rolled plate production line adopts an external forced oil supply lubricating device, and the device has reliable lubrication and good lubrication effect, but the oil supply device has complex structure and high cost, and the sealing element is easy to damage, so that the transmission shaft has serious oil leakage and extremely poor sealing effect, and the production is greatly influenced. Although numerous solutions have been proposed by those skilled in the art, there has been no report so far on the complete solution of the problem of reliable sealing and oil tightness of the drive shaft for a long time.
Disclosure of Invention
The invention aims to provide a crowned tooth universal transmission shaft which has good sealing performance, does not leak oil and ensures the normal operation of equipment, and is used for transmission shafts in hot-rolled plate or cold-rolled plate production lines and other fields.
In order to achieve the above purpose, the invention adopts the following technical scheme: the crowned teeth universal transmission shaft comprises a shaft body, a left first elastic compensator, a left second elastic compensator, a right first elastic compensator, a right second elastic compensator, a left first compression ring, a left second compression ring, a left third compression ring, a right first compression ring, a right second compression ring, a right third compression ring, a left first sealing ring, a left second sealing ring, a left third sealing ring, a left fourth sealing ring, a left fifth sealing ring, a right first sealing ring, a right second sealing ring, a right third sealing ring, a left convex spherical sleeve, a right convex spherical sleeve, a left inner convex spherical sleeve, a right inner convex spherical sleeve, a left crowned teeth outer toothed sleeve, a right crowned teeth outer toothed sleeve, a left oil inlet nozzle, a right oil inlet nozzle, a left drum teeth inner gear ring, a right drum teeth inner gear ring, a limiting block, a left end positioning plate, a right end positioning plate, a piston, a left inner concave spherical sleeve, a right inner concave spherical sleeve, a left outer concave spherical sleeve, a right fourth sealing ring, a right fifth sealing ring, a semi-connecting sleeve and a pressure spring. A pressure spring and a piston are arranged in a central inner hole at the left end of the shaft body, and a limiting block in a central hole of a left end positioning plate is close to the piston.
The outer Zhou Jiancao of the shaft body is provided with a left crowned tooth outer tooth sleeve which is sleeved with left crowned teeth so that the outer crowned teeth on the left crowned tooth outer tooth sleeve are meshed with the inner crowned teeth on the left crowned tooth inner tooth ring.
The outer gear sleeve is close to the left crowned teeth, a left inner convex spherical sleeve is assembled on the periphery of the shaft body, a left third sealing ring with the quantity more than 1 is arranged between the coaxial bodies of the left inner convex spherical sleeve, a left outer concave spherical sleeve is assembled on the spherical surface of the left inner convex spherical sleeve, and a first gap d is arranged on the left outer concave spherical sleeve 1 . A left second sealing ring with the number larger than 1 is arranged between the left inner convex spherical sleeve and the left outer concave spherical sleeve, the left outer convex spherical sleeve is clamped at the top end of the plane of the left outer concave spherical sleeve, and a left first sealing ring with the number larger than 1 is arranged between the left outer convex spherical sleeve and the left outer concave spherical sleeve.
A first oil cavity a is arranged between the left crowned tooth outer tooth sleeve and the left convex spherical surface sleeve.
The right end face of the left convex spherical sleeve is connected with a left first compression ring, the number of left first elastic compensators which are arranged uniformly or non-uniformly and are arranged on the left first compression ring is larger than 1, and the left first elastic compensators are propped against the concave spherical movable sleeve on the left outer concave spherical sleeve, so that the first gap d is adjusted 1 And the size of the spherical sleeve can eliminate the gap between the concave-convex spherical sleeves. The sphere of the left convex sphere sleeve is provided with a left concave sphere sleeve, and the left concave sphere sleeve is provided with a second gap d 2 . A left fourth sealing ring with the number larger than 1 is arranged between the left outer convex spherical sleeve and the left inner concave spherical sleeve, a left third pressing ring is clamped at the top end of the plane of the left inner concave spherical sleeve, a left fifth sealing ring with the number larger than 1 is arranged between the left third pressing ring and the left inner concave spherical sleeve, and the left third pressing ring is connected with the left crowned tooth inner gear ring. And the Zuo Di two compression rings at the periphery of the left convex spherical sleeve are connected with the left third compression ring. The left second elastic compensators which are arranged on the left second compression ring and have the quantity larger than 1 and are uniformly or unevenly distributed are propped against the concave spherical movable sleeve on the left concave spherical sleeve, so that the second gap d is adjusted 2 And the size of the spherical sleeve can eliminate the gap between the concave-convex spherical sleeves.
The outer Zhou Jiancao of the shaft body is provided with a right crowned tooth outer tooth sleeve which is sleeved with right crowned tooth inner teeth so that the outer crowned teeth on the right crowned tooth outer tooth sleeve are meshed with the inner crowned teeth on the right crowned tooth inner tooth ring. The right drum-shaped tooth inner gear ring is in spline connection with the half-connecting shaft sleeve, and the half-connecting shaft sleeve is provided with right oil inlet nozzles with the number more than 1.
The outer surface of the shaft body is provided with a right inner convex spherical sleeve, a right third sealing ring with the number more than 1 is arranged between the coaxial bodies of the right inner convex spherical sleeve, the spherical surface of the right convex spherical sleeve is provided with a right outer concave spherical sleeve, and the right outer concave spherical sleeve is provided with a third gap d 3 . A right second sealing ring with the number larger than 1 is arranged between the right inner convex spherical sleeve and the right outer concave spherical sleeve, a right outer convex spherical sleeve is arranged at the top end of the plane of the right outer concave spherical sleeve, and a right first sealing ring with the number larger than 1 is arranged between the right outer convex spherical sleeve and the right outer concave spherical sleeve. The outer tooth sleeve of the right crowned tooth is matched with the right convex spherical sleeveA second oil cavity b is arranged between the two spherical sleeves, the right end head of the right outer convex spherical sleeve is connected with a right first compression ring, the right first compression ring is provided with uniformly or non-uniformly arranged right first elastic compensators with the number more than 1, the right first elastic compensators are propped against the concave spherical movable sleeve on the right outer concave spherical sleeve, and the third gap d is regulated 3 And the size of the spherical sleeve can eliminate the gap between the concave-convex spherical sleeves.
A right concave spherical sleeve is arranged at the spherical top end of the right convex spherical sleeve, and a fourth gap d is arranged on the right concave spherical sleeve 4 . A right fourth sealing ring with the number greater than 1 is arranged between the right concave spherical sleeve and the right convex spherical sleeve, a right third pressing ring is arranged at the top end of the plane of the right concave spherical sleeve, a right fifth sealing ring with the number greater than 1 is arranged between the right third pressing ring and the right concave spherical sleeve, the left end of the right third pressing ring is connected with a right second pressing ring assembled at the periphery of the right convex spherical sleeve, and the right end of the right third pressing ring is connected with the semi-connecting shaft sleeve.
The right second elastic compensators which are arranged on the right second compression ring and have the number larger than 1 and are uniformly or unevenly distributed are propped against the concave spherical movable sleeve on the right concave spherical sleeve, so that the fourth gap d is adjusted 4 And the size of the spherical sleeve can eliminate the gap between the concave-convex spherical sleeves.
Compared with the prior art, the crowned tooth universal transmission shaft provided by the technical scheme has the technical effects that:
(1) adopts a sealing structure form of two spherical sealing parts and a multi-layer sealing ring. A plurality of layers of inner sealing rings are arranged between the outer surfaces of the inner convex spherical sleeve coaxial bodies symmetrically arranged at the two ends of the universal transmission shaft body, so that the sealing effect between the inner convex spherical sleeve coaxial bodies and the outer surface of the inner convex spherical sleeve coaxial bodies can be guaranteed, and the shaft body can freely rotate between the inner convex spherical sleeve coaxial bodies. A plurality of layers of middle sealing rings are arranged between the inner convex spherical sleeve and the outer concave spherical sleeve, and a plurality of layers of outer sealing rings are arranged between the outer concave spherical sleeve and the outer convex spherical sleeve; besides, the multi-layer sealing rings are also arranged between each compression ring and the concave spherical sleeve and between the concave spherical sleeve and the convex spherical sleeve, and the multi-layer sealing rings at all positions can play the roles of sealing and preventing lubricating oil leakage, so that the sealing effect is good.
(2) And a plurality of elastic compensators are adopted to realize elastic compensation. A plurality of elastic compensators are arranged on each layer of pressing ring symmetrically assembled at two ends of the shaft body, the heads of the elastic compensators are propped against the concave spherical movable sleeves on the concave spherical sleeves corresponding to the elastic compensators respectively, the elastic compensators can adjust the gap d between the concave spherical fixed sleeves and the concave spherical movable sleeves on the concave spherical sleeves, and the d value is ensured to be different from zero, so that the gap between the concave spherical sleeves and the inner/outer convex spherical sleeves is eliminated, and the long-life reliable sealing effect is achieved.
(3) The external drum-shaped teeth are processed on the external drum-shaped teeth sleeves arranged at the two ends of the shaft body in a key way, so that the external drum-shaped teeth on the external drum-shaped teeth sleeves are meshed with the internal drum-shaped teeth on the internal gear ring of the drum-shaped teeth, the force transmission is uniform, the transmission is stable, and the universal transmission is realized.
(4) The multiple oil inlets are arranged at the crowned teeth close to the outer tooth sleeve of the crowned teeth, lubricating oil flows through the crowned teeth through the oil inlets, and then lubricates the convex spherical sleeve and the concave spherical sleeve through the oil cavities a and b, so that oil leakage is avoided in operation, and the sealing effect is good.
(5) The end of the convex spherical sleeve, the concave spherical sleeve, the drum-shaped inner gear sleeve, the semi-connecting shaft sleeve and the like are all provided with compression rings, so that the universal transmission shaft has compact structure and good stability, and does not loosen.
Drawings
FIG. 1 is a schematic partial cross-sectional view of a crowned teeth universal drive shaft in accordance with the present invention.
Fig. 2 is an enlarged schematic view at a of fig. 1.
Fig. 3 is an enlarged schematic view at B of fig. 1.
Description of the embodiments
The following describes the embodiments of the present invention in further detail with reference to the drawings.
The drum-shaped tooth universal transmission shaft is designed mainly aiming at the transmission shaft of a hot rolled plate production line or a cold rolled plate production line, wherein the transmission shaft is connected with a roller part of a power part, and comprises a shaft body 1, a left first elastic compensator 2, a left second elastic compensator 5, a right second elastic compensator 35, a right second elastic compensator 26, a left first compression ring 3, a left second compression ring 6, a left third compression ring 9, a right first compression ring 24, a right second compression ring 27, a right third compression ring 29, a left first sealing ring 4, a left second sealing ring 22, a left third sealing ring 20, a left fourth sealing ring 19, a left fifth sealing ring 18, a right first sealing ring 37, a right second sealing ring 36, a right third sealing ring 45, a left outer convex spherical sleeve 7, a right outer convex spherical sleeve 25, a left inner convex spherical sleeve 21, a right inner convex spherical sleeve 38, a left drum-shaped tooth sleeve 10, a right outer drum-shaped tooth sleeve 31, a left oil inlet nozzle 11, a right inner tooth ring 44, a left inner gear ring 12, a right drum-shaped tooth ring 32, a limiting block 13, a left positioning plate 14, a right concave spherical sleeve 15, a right concave spherical sleeve 28, a left concave spherical sleeve 28, a right concave spherical sleeve 34, a left concave spherical sleeve 28, a right concave spherical sleeve 28, a left spherical sleeve 15, a right concave spherical sleeve 28, a left spherical sleeve 17 and a right concave spherical sleeve 41.
(as shown in fig. 1 and 2), a pressure spring 23 and a piston 15 are placed in the central inner hole at the left end of the shaft body 1, and the piston 15 can move in the central inner hole at the left end of the shaft body 1 along with the expansion and contraction of the pressure spring 23. The limiting block 13 positioned in the central hole of the left end positioning plate 14 is close to the piston 15, so that the moving distance of the piston 15 cannot exceed the range of the piston, and the axial movement of the universal transmission shaft is ensured to be within a safe range, which is a known technology. Near the left end locating plate 14, a left crowned tooth outer gear sleeve 10 is assembled on the outer Zhou Jiancao of the shaft body 1, and outer crowned teeth are machined on the left crowned tooth outer gear sleeve 10. The left crowned teeth inner gear ring 12 is sleeved on the left crowned teeth outer gear sleeve 10, the left crowned teeth inner gear ring 12 is provided with inner crowned teeth, so that the outer crowned teeth on the left crowned teeth outer gear sleeve 10 are meshed with the inner crowned teeth on the left crowned teeth inner gear ring 12, and the rotation of the left crowned teeth outer gear sleeve 10 can drive the left crowned teeth inner gear ring 12 to synchronously rotate.
The left crowned tooth inner gear ring 12 is provided with the left oil inlet nozzles 11 with the number more than 1, the left oil inlet nozzles 11 can be uniformly or non-uniformly distributed on the left crowned tooth inner gear ring 12, and lubricating oil can directly lubricate the crowned teeth through the left oil inlet nozzles 11; in addition, the lubricating oil can lubricate the shaft body 1 through the first oil cavity a between the left crown gear outer tooth sleeve 10 and the left outer convex spherical sleeve 7. Due to the multi-stage seal, the lubricating oil does not leak.
(as in FIG. 2) near the left crown gear outer gear sleeve 10, a left inner convex spherical sleeve 21 is assembled on the outer circumference of the shaft body 1, and the left inner convex spherical sleeve 21 is coaxialA number of left third seal rings 20 greater than 1 are arranged between the bodies 1. Due to the action of the left third sealing ring 20, the rotation of the shaft body 1 is ensured, and the sealing between the shaft body 1 and the left inner convex spherical sleeve 21 can be ensured. The spherical surface of the left inner convex spherical surface sleeve 21 is provided with a left outer concave spherical surface sleeve 17, and the left outer concave spherical surface sleeve 17 is divided into two parts: a concave spherical movable sleeve and a concave spherical fixed sleeve, a first gap d is arranged between the two parts 1 D in the operation of the apparatus 1 Not equal to 0. A number of left second seal rings 22 greater than 1 are arranged between the left inner convex spherical sleeve 21 and the left outer concave spherical sleeve 17 (contact surface), and seal the shaft body 1. The top of the plane of the left outer concave spherical sleeve 17 is clamped with the left outer convex spherical sleeve 7, and left first sealing rings 4 with the number more than 1 are arranged between the left outer convex spherical sleeve 7 and the left outer concave spherical sleeve 17. It can be seen that there are three-stage seals among the shaft body 1, the left inner convex spherical sleeve 21, the left outer concave spherical sleeve 17 and the left outer convex spherical sleeve 7, so as to ensure the sealing effect.
The right end face of the left convex spherical sleeve 7 is connected with a left first compression ring 3, and the connection can be connected by connecting screws with the number more than 1 or welded. The left first compression ring 3 is provided with left first elastic compensators 2 which are uniformly or unevenly distributed and the number of which is more than 1, each left first elastic compensator 2 is propped against the concave spherical movable sleeve on the left outer concave spherical sleeve 17, and the concave spherical movable sleeve of the left outer concave spherical sleeve 17 can act by the action of the left first elastic compensator 2, thereby not only adjusting the first gap d 1 And the gap between the left outer concave spherical sleeve 17 and the left inner convex spherical sleeve 21 is eliminated, so that the first-stage compensation function is achieved, and the long-life sealing effect is achieved.
(as shown in fig. 2), a left concave spherical sleeve 16 is arranged on the spherical surface of the left convex spherical sleeve 7, and the left concave spherical sleeve 16 is also divided into two parts: the concave spherical movable sleeve and the concave spherical fixed sleeve are provided with a second gap d between them 2 D in the operation of the apparatus 2 Not equal to 0. A number of left fourth seal rings 19 greater than 1 are arranged between the left outer convex spherical sleeve 7 and the left inner concave spherical sleeve 16 (contact surface). A left third press ring 9 is clamped at the top end of the plane of the left concave spherical sleeve 16, and the left third press ring 9 is the same as the left concave sphereA number of left fifth seal rings 18 greater than 1 are disposed between the facepieces 16 to form a secondary seal therebetween. The left third compression ring 9, which is close to the left concave spherical sleeve 16 and is a concave spherical fixing sleeve, is connected with the left crowned tooth inner gear ring 12, and the connection can be connected by connecting screws with the number being more than 1, and is also welded. The Zuo Di two-pressing ring 6 which is close to the left concave spherical sleeve 16 and movably sleeved on the periphery of the left convex spherical sleeve 7 is connected with the left third pressing ring 9, and the connection can be connected by connecting screws with the number being more than 1 or welded. The left second compression ring 6 is provided with left second elastic compensators 5 which are uniformly or unevenly distributed and have the number more than 1, each left second elastic compensator 5 is propped against the concave spherical movable sleeve of the left concave spherical sleeve 16, and the second gap d between the concave spherical movable sleeve and the concave spherical fixed sleeve of the left concave spherical sleeve 16 can be adjusted due to the action of the left second elastic compensator 5 2 Not only adjust the second gap d 2 And the gap between the left concave spherical sleeve 16 and the left convex spherical sleeve 7 is eliminated, so that the second-stage compensation function is realized, and the long-acting sealing is achieved.
(as shown in fig. 1 and 3), the outer Zhou Jiancao of the shaft body 1 near the end face of the right end positioning plate 33 is provided with a right crowned external tooth sleeve 31, outer crowned teeth are processed on the right crowned external tooth sleeve 31, and a right crowned inner gear ring 32 is sleeved on the right crowned external tooth sleeve 31, so that the outer crowned teeth of the right crowned external tooth sleeve 31 are meshed with the inner crowned teeth on the right crowned inner gear ring 32, and the two synchronously rotate. The right crowned ring gear 32 is splined to the half-coupling sleeve 34 as is known in the art. The half-coupling sleeve 34 is formed with a number of right oil inlet nozzles 44 greater than 1, which may be uniformly or non-uniformly disposed. The lubricating oil enters the crowned teeth through the right oil inlet nozzle 44 and lubricates the crowned teeth. In addition, the lubrication oil can also lubricate the shaft body 1 through the second oil chamber b between the right crowned external tooth sleeve 31 and the right outer convex spherical sleeve 25, and the lubrication oil will not leak due to the multi-stage seal.
A right inner convex spherical sleeve 38 is arranged on the outer surface of the shaft body 1 and a right third sealing ring 45 with the number more than 1 is arranged between the coaxial bodies 1 (surfaces) of the right inner convex spherical sleeve 38 near the right crowned tooth outer tooth sleeve 31, and due to the action of the right third sealing ring 45, the shaft body 1 is provided with a plurality of sealing ringsThe free rotation of the shaft body 1 in the right inner convex spherical sleeve 38 is ensured, and the sealing between the shaft body 1 and the right inner convex spherical sleeve 38 is ensured. A right outer concave spherical sleeve 40 is arranged on the spherical surface of the right inner convex spherical sleeve 38, the right outer concave spherical sleeve 40 is divided into a concave spherical movable sleeve and a concave spherical fixed sleeve, and a third gap d is arranged between the two parts 3 In the operation of the device, the third gap d 3 Is not zero. A number of right second seal rings 36 greater than 1 are arranged between the right inner convex spherical sleeve 38 and the right outer concave spherical sleeve 40, a right outer convex spherical sleeve 25 is arranged at the top end of the plane of the right outer concave spherical sleeve 40, and a number of right first seal rings 37 greater than 1 are arranged between the right outer convex spherical sleeve 25 and the right outer concave spherical sleeve 40. It can be seen that the right first sealing ring 37, the right second sealing ring 36 and the right third sealing ring 45 form a multi-stage sealing layer, so that the sealing effect is ensured.
The right end of the right convex spherical sleeve 25 is connected with a right first compression ring 24, and the connection can be realized by adopting connection screws with the number more than 1 or welding. The right first compression ring 24 is provided with a number of right first elastic compensators 35 which are more than 1 and are uniformly or unevenly arranged, and each right first elastic compensator 35 is propped against the concave spherical movable sleeve on the right outer concave spherical sleeve 40 so as to adjust the third gap d on the right outer concave spherical sleeve 40 3 . The right first elastic compensator 35 adjusts both d 3 And the gap between the right inner convex spherical sleeve 38 and the right outer concave spherical sleeve 40 is eliminated, thereby achieving the third-stage compensation effect and achieving the effect of long-acting sealing.
A right concave spherical sleeve 41 is arranged at the spherical top end of the right convex spherical sleeve 25, and a right fourth sealing ring 42 with the number more than 1 is arranged between the right concave spherical sleeve 41 and the right convex spherical sleeve 25. The right concave spherical sleeve 41 is divided into two parts: a fourth gap d is arranged between the concave spherical movable sleeve and the concave spherical fixed sleeve 4 In the operation of the device, the fourth gap d 4 Is not zero. A right third pressing ring 29 is arranged at the top end of the plane of the right concave spherical sleeve 41, and a right fifth sealing ring 28 with the number more than 1 is arranged between the right third pressing ring 29 and the right concave spherical sleeve 41. The left end of the right third compression ring 29 is assembled on the outer periphery of the right convex spherical sleeve 25The right second pressure ring 27 is connected, and the "connection" may be made by using a number of connection screws greater than 1, or may be welded, as is known in the art.
The right second elastic compensators 26 which are arranged uniformly or non-uniformly and are arranged on the right second compression ring 27 in a quantity greater than 1 are propped against the concave spherical movable sleeve on the right concave spherical sleeve 41, and the fourth gap d between the concave spherical movable sleeve on the right concave spherical sleeve 41 and the concave spherical fixed sleeve is adjusted at any time under the action of the right second elastic compensators 26 4 The size can eliminate the gap between the right outer convex spherical sleeve 25 and the right inner concave spherical sleeve 41, so that the sealing effect between the right outer convex spherical sleeve 25 and the right inner concave spherical sleeve 41 is not lost, the fourth-stage compensation effect is achieved, and the long-acting sealing is achieved.
The right end of the right third pressure ring 29 is connected to the half-coupling sleeve 34, and this "connection" can be either by using a number of connection screws greater than 1 or by welding. The semi-coupling sleeve 34 is connected to a power section (e.g., a transmission output shaft associated with an electric motor) (known in the art).
In the embodiment shown in fig. 1, the half-coupling sleeve 34 of the crowned universal drive shaft is connected to the power section, and the left crowned ring gear 12 is connected to the roll (hot-rolled plate roll or cold-rolled plate roll) (known technology). And starting a program, wherein the rotation of the semi-connecting shaft sleeve 34 drives the right crowned tooth inner gear ring 32 and the right crowned tooth outer gear sleeve 31 to synchronously rotate, so that the shaft body 1 rotates at the same speed, and the rotating speed of the shaft body 1 is controlled to be in a set range. The rotation of the shaft body 1 drives the left crowned teeth outer gear sleeve 10 and the left crowned teeth inner gear ring 12 to synchronously rotate, and the actions of the outer gear sleeve 10 and the left crowned teeth inner gear ring 12 drive the rollers connected with the left crowned teeth inner gear ring 12 to rotate, so that the purpose of rolling is realized by the rotation of the hot-rolled plate/cold-rolled plate rollers. Because the two ends of the shaft body of the transmission shaft are symmetrically provided with the left/right crowned tooth outer gear sleeve and the left/right crowned tooth inner gear ring meshed with the left/right crowned tooth outer gear sleeve, the universal transmission of the transmission shaft can be realized; meanwhile, as the two ends of the shaft body of the transmission shaft are symmetrically provided with the multi-stage sealing structure, the lubricating oil entering the transmission shaft from the oil inlet at the left/right ends is prevented from leaking, the sealing effect is good, and the service life (5-10 times) of the crowned teeth universal transmission shaft is correspondingly prolonged.
The left first elastic compensator 2, the left second elastic compensator 5, the right first elastic compensator 35 and the right second elastic compensator 26 described in the application are of the prior art, and can also be designed by themselves according to the field requirement, and a spring is usually placed in a hollow tube, so that the front head of the spring is propped against the concave spherical movable sleeve on the corresponding inner/outer concave spherical sleeve, and the tail end of the spring is contacted with the adjusting screw. The elastic compensators can be adjusted by manually stirring the adjusting screw.
Claims (4)
1. The drum-shaped tooth universal transmission shaft comprises a shaft body (1), a left first elastic compensator (2), a left second elastic compensator (5), a right first elastic compensator (35), a right second elastic compensator (26), a left first compression ring (3), a left second compression ring (6), a left third compression ring (9), a right first compression ring (24), a right second compression ring (27), a right third compression ring (29), a left first sealing ring (4), a left second sealing ring (22), a left third sealing ring (20), a left fourth sealing ring (19), a left fifth sealing ring (18), a right first sealing ring (37), a right second sealing ring (36), a right third sealing ring (45), a left outer convex spherical sleeve (7), a right outer convex spherical sleeve (25), a left inner convex spherical sleeve (21), a right inner convex spherical sleeve (38), a left drum-shaped tooth outer toothed sleeve (10), a right drum-shaped tooth outer toothed sleeve (31), a left oil inlet nozzle (11), a right oil inlet nozzle (44), a left drum-shaped tooth ring (12), a right drum-shaped toothed ring (32), a limiting block (13), a left positioning plate (14), a left inner gear plate (16), a left concave spherical sleeve (17), a left inner spherical sleeve (41) and a concave spherical sleeve (17) The novel sealing device comprises a right fourth sealing ring (42), a right fifth sealing ring (28), a semi-connecting shaft sleeve (34) and a pressure spring (23), wherein the pressure spring (23) and a piston (15) are arranged in a central inner hole at the left end of a shaft body (1), and a limiting block (13) positioned in a central hole of a left end positioning plate (14) is close to the piston (15), and is characterized in that: the outer Zhou Jiancao of the shaft body (1) is provided with a left crowned tooth outer tooth sleeve (10) close to the left end positioning plate (14), and a left crowned tooth inner gear ring (12) is sleeved on the left crowned tooth outer tooth sleeve (10) so that outer crowned teeth on the left crowned tooth outer tooth sleeve (10) are meshed with inner crowned teeth on the left crowned tooth inner gear ring (12);
a left inner convex spherical sleeve (21) is assembled on the periphery of the shaft body (1), left third sealing rings (20) with the number larger than 1 are arranged between the coaxial bodies (1) of the left inner convex spherical sleeve (21), a left outer concave spherical sleeve (17) is assembled on the spherical surface of the left inner convex spherical sleeve (21), a left second sealing ring (22) with the number larger than 1 is arranged between the left inner convex spherical sleeve (21) and the left outer concave spherical sleeve (17), a left outer convex spherical sleeve (7) is assembled on the top of the plane of the left outer concave spherical sleeve (17), and a left first sealing ring (4) with the number larger than 1 is arranged between the left outer convex spherical sleeve (7) and the left outer concave spherical sleeve (17);
the right end face of the left outer convex spherical sleeve (7) is connected with a left first compression ring (3), left first elastic compensators (2) which are arranged on the left first compression ring (3) and have the quantity larger than 1 are propped against a concave spherical movable sleeve on the left outer concave spherical sleeve (17), and a first gap d is adjusted 1 Is of a size of (2); a left concave spherical sleeve (16) is arranged on the spherical surface of the left convex spherical sleeve (7), a left fourth sealing ring (19) with the number larger than 1 is arranged between the left convex spherical sleeve (7) and the left concave spherical sleeve (16), a left third pressing ring (9) is clamped at the top end of the plane of the left concave spherical sleeve (16), a left fifth sealing ring (18) with the number larger than 1 is arranged between the left third pressing ring (9) and the left concave spherical sleeve (16), and the left third pressing ring (9) is connected with the left drum-shaped tooth inner gear ring (12); zuo Di two compression rings (6) on the periphery of the left convex spherical sleeve (7) are connected with a left third compression ring (9), left second elastic compensators (5) which are arranged on the left second compression ring (6) and have the quantity larger than 1 are propped against a concave spherical movable sleeve on the left concave spherical sleeve (16), and a second gap d is adjusted 2 Is of a size of (2);
the outer Zhou Jiancao of the shaft body (1) is provided with a right crowned tooth outer tooth sleeve (31), and a right crowned tooth inner gear ring (32) is sleeved on the right crowned tooth outer tooth sleeve (31) so that the outer crowned tooth on the right crowned tooth outer tooth sleeve (31) is meshed with the inner crowned tooth on the right crowned tooth inner gear ring (32); the right drum-shaped tooth inner gear ring (32) is in spline connection with the half-connecting shaft sleeve (34), and the half-connecting shaft sleeve (34) is provided with a number of right oil inlet nozzles (44) which are more than 1;
a right inner convex spherical sleeve (38) is assembled on the outer surface of the shaft body (1), right third sealing rings (45) with the number larger than 1 are assembled between the coaxial bodies (1) of the right inner convex spherical sleeve (38), right outer concave spherical sleeves (40) are assembled on the spherical surfaces of the right convex spherical sleeves (38), right second sealing rings (36) with the number larger than 1 are assembled between the right inner convex spherical sleeve (38) and the right outer concave spherical sleeves (40), right outer convex spherical sleeves (25) are assembled on the top end of the plane of the right outer concave spherical sleeve (40), and right first sealing rings (37) with the number larger than 1 are assembled between the right outer convex spherical sleeve (25) and the right outer concave spherical sleeve (40); the right end of the right outer convex spherical sleeve (25) is connected with a right first compression ring (24), the right first compression ring (24) is provided with a right first elastic compensator (35) with the quantity larger than 1, the right first elastic compensator (35) is propped against a concave spherical movable sleeve on the right outer concave spherical sleeve (40), and a third gap d is regulated 3 Is of a size of (2);
a right concave spherical sleeve (41) is arranged at the spherical top end of the right convex spherical sleeve (25), a right fourth sealing ring (42) with the number larger than 1 is arranged between the right concave spherical sleeve (41) and the right convex spherical sleeve (25), a right third pressing ring (29) is arranged at the plane top end of the right concave spherical sleeve (41), a right fifth sealing ring (28) with the number larger than 1 is arranged between the right third pressing ring (29) and the right concave spherical sleeve (41), the left end of the right third pressing ring (29) is connected with a right second pressing ring (27) assembled at the periphery of the right convex spherical sleeve (25), and the right end of the right third pressing ring (29) is connected with a half-connecting shaft sleeve (34);
the right second elastic compensators (26) which are arranged on the right second compression ring (27) and the number of which is more than 1 are propped against the concave spherical movable sleeve on the right concave spherical sleeve (41) to adjust the fourth gap d 4 Is of a size of (a) and (b).
2. The crowned teeth universal drive shaft as set forth in claim 1The method is characterized in that: the left outer concave spherical sleeve (17), the left inner concave spherical sleeve (16), the right outer concave spherical sleeve (40) and the right inner concave spherical sleeve (41) are provided with a concave spherical movable sleeve and a concave spherical fixed sleeve, and the left outer concave spherical sleeve (17) is provided with a first gap d 1 The left concave spherical sleeve (16) is provided with a second gap d 2 A third gap d is arranged on the right outer concave spherical sleeve (40) 3 A fourth gap d is arranged on the right concave spherical sleeve (41) 4 。
3. The crowned teeth universal drive shaft as set forth in claim 1, wherein: a first oil cavity a is arranged between the left crowned tooth outer tooth sleeve (10) and the left convex spherical sleeve (7), and a second oil cavity b is arranged between the right crowned tooth outer tooth sleeve (31) and the right convex spherical sleeve (25).
4. The crowned teeth universal drive shaft as set forth in claim 1, wherein: the left first elastic compensator (2) arranged on the left first compression ring (3), the left second elastic compensator (5) arranged on the left second compression ring (6), the right first elastic compensator (35) arranged on the right first compression ring (24) and the right second elastic compensator (26) arranged on the right second compression ring (27) are uniformly or non-uniformly arranged.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710507156.2A CN107100944B (en) | 2017-06-28 | 2017-06-28 | Drum-shaped tooth universal transmission shaft |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710507156.2A CN107100944B (en) | 2017-06-28 | 2017-06-28 | Drum-shaped tooth universal transmission shaft |
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| Publication Number | Publication Date |
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| CN107100944A CN107100944A (en) | 2017-08-29 |
| CN107100944B true CN107100944B (en) | 2023-05-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710507156.2A Active CN107100944B (en) | 2017-06-28 | 2017-06-28 | Drum-shaped tooth universal transmission shaft |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110842331B (en) * | 2019-11-28 | 2022-07-08 | 泰尔重工股份有限公司 | Assembly welding method for heavy-load universal joint shaft intermediate shaft |
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| CN1828077A (en) * | 2006-03-27 | 2006-09-06 | 曹江浪 | Drum-shaped pin type spherical hinge universal coupling |
| CN201244590Y (en) * | 2008-08-13 | 2009-05-27 | 中国第一重型机械集团公司 | Hard tooth-face crowned tooth connecting shaft transmission mechanism |
| JP2009121667A (en) * | 2007-10-24 | 2009-06-04 | Ntn Corp | Sliding type constant velocity universal joint |
| CN201344206Y (en) * | 2009-02-16 | 2009-11-11 | 襄樊市新兴联机械有限公司 | Ball-cage constant velocity universal coupling used in petroleum machinery |
| CN204035193U (en) * | 2014-08-13 | 2014-12-24 | 二重集团（德阳）重型装备股份有限公司 | Inner eycle thin oil lubricant drum Gear Couplings' |
| CN105570327A (en) * | 2016-03-09 | 2016-05-11 | 迈安德集团有限公司 | Center-adjustable coupling |
| CN206918112U (en) * | 2017-06-28 | 2018-01-23 | 娄底市佳华机械有限公司 | Barreled tooth flank universal drive shaft |
-
2017
- 2017-06-28 CN CN201710507156.2A patent/CN107100944B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1828077A (en) * | 2006-03-27 | 2006-09-06 | 曹江浪 | Drum-shaped pin type spherical hinge universal coupling |
| JP2009121667A (en) * | 2007-10-24 | 2009-06-04 | Ntn Corp | Sliding type constant velocity universal joint |
| CN201244590Y (en) * | 2008-08-13 | 2009-05-27 | 中国第一重型机械集团公司 | Hard tooth-face crowned tooth connecting shaft transmission mechanism |
| CN201344206Y (en) * | 2009-02-16 | 2009-11-11 | 襄樊市新兴联机械有限公司 | Ball-cage constant velocity universal coupling used in petroleum machinery |
| CN204035193U (en) * | 2014-08-13 | 2014-12-24 | 二重集团（德阳）重型装备股份有限公司 | Inner eycle thin oil lubricant drum Gear Couplings' |
| CN105570327A (en) * | 2016-03-09 | 2016-05-11 | 迈安德集团有限公司 | Center-adjustable coupling |
| CN206918112U (en) * | 2017-06-28 | 2018-01-23 | 娄底市佳华机械有限公司 | Barreled tooth flank universal drive shaft |
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| CN107100944A (en) | 2017-08-29 |
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