CN213628559U - Special high-strength spherical tooth coupling for leveler - Google Patents

Abstract

The utility model discloses a special high-strength spherical tooth shaft coupling of a leveling machine, which comprises two inner spherical tooth sleeves which are symmetrically arranged, one end of each inner spherical tooth sleeve is connected with a spherical cap through screw threads, a cavity for placing outer spherical teeth is arranged between each inner spherical tooth sleeve and the spherical cap, the inner spherical tooth sleeves and the outer spherical teeth are mutually meshed through tooth parts, one end of each outer spherical tooth far away from the inner spherical tooth sleeve is integrally provided with a first outer spherical tooth shaft, and one end of each first outer spherical tooth shaft far away from the outer spherical teeth is provided with a connecting component. The service life is longer, and the maintenance is more economical.

Description

Special high-strength spherical tooth coupling for leveler

Technical Field

The utility model relates to a special shaft coupling of leveler, specific theory relates to an intensity is high, and the wearability is better, and the moment of torsion is bigger under the equal diameter, and life is more of a specified duration, and connected mode is simple, the special high strength ball tooth shaft coupling of leveler of convenient to detach installation belongs to shaft coupling technical field.

Background

The leveler is used for flattening the metal plate, the surface finish degree, the smoothness and the mechanical property of the plate are improved, and the working power of the leveler is transmitted by the coupler. The industrial development of China is relatively fast in recent years, so that a series of technical index requirements on flatness, smoothness, yield strength, surface hardness and the like of a metal plate are higher and higher, the defect of leveling machine equipment needs to be overcome to improve the precision of the metal plate, the key which troubles the precision of the leveling machine equipment lies in a coupler of a leveling machine, at present, universal cross shaft couplers and ball cage couplers are commonly used by the leveling machine, the two couplers have the main problems of overlarge diameter, when the torque of the leveling machine needs to be increased in the use process of the coupler of the leveling machine, the two couplers need to be increased in diameter so as to meet the working requirements of the coupler, but the arrangement of rollers in the leveling machine is relatively dense, the installation of the coupler with large diameter is severely restricted, and the coupler is easy to damage due to the long-time large-torque work, the service life of the coupler is shortened, the use cost is increased, the recycling is severely restricted, and the economic benefit of enterprises is influenced.

Therefore, a special high-strength spherical tooth coupling for the leveling machine, which has a small diameter and a large torque and can meet the torque requirement of the leveling machine and be convenient to disassemble and install, is urgently needed.

SUMMERY OF THE UTILITY MODEL

The to-be-solved main technical problem of the utility model is to provide a special high strength ball tooth shaft coupling of leveler under the equal diameter of shaft coupling, the moment of torsion is bigger, higher intensity, convenient to detach and installation moreover.

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model provides a special high strength ball tooth shaft coupling of leveler, includes the interior ball tooth cover that two symmetries set up, there is the ball cap one end of interior ball tooth cover through threaded connection, be provided with a cavity that is used for placing outer ball tooth between interior ball tooth cover and the ball cap, through tooth portion intermeshing between interior ball tooth cover and the outer ball tooth, the one end an organic whole that interior ball tooth cover was being kept away from to outer ball tooth is provided with first outer ball tooth axle, the one end of first outer ball tooth axle ball tooth outside keeping away from is provided with coupling assembling.

The following is the utility model discloses to above-mentioned technical scheme's further optimization:

the overall structure of interior ball tooth cover is cylindrical, and the inside of one side of interior ball tooth cover is provided with the ball groove, is provided with the tooth's socket that a plurality of and outer ball tooth portion phase-match on the inner wall of interior ball tooth cover, has laid the external screw thread on the surface of interior ball tooth cover.

Further optimization: the middle position of the ball cap is provided with a circular through hole through which the first outer ball gear shaft can pass, the position on the ball cap corresponding to the outer thread is provided with an inner thread matched with the outer thread, and the position on the ball cap corresponding to the inner ball gear sleeve is provided with a fixing screw.

Further optimization: and a sealing ring is arranged on the outer surface of the outer spherical tooth and close to the first outer spherical tooth shaft, and the sealing ring is tightly connected with the inner surface of the spherical cap and used for sealing the outer spherical tooth and the spherical cap.

Further optimization: the first outer spherical tooth shaft is provided with a cylindrical spline shaft at one end far away from the inner spherical tooth sleeve, and the spline shaft is provided with a spline on the outer surface of one side far away from the first outer spherical tooth shaft.

Further optimization: the connecting assembly comprises a first connecting sleeve, and the first connecting sleeve is fixedly sleeved on the outer surfaces of the spline shaft and the first outer spherical tooth shaft.

Further optimization: the spline shaft is sleeved with a spline housing outside one side far away from the first outer ball gear shaft, the inner surface of the spline housing is provided with a spline groove matched with the spline, the outer surface of the spline housing is sleeved with a connecting pipe,

further optimization: the connecting pipe is fixedly provided with a second connecting sleeve on the inner surface far away from one end of the spline housing, and a second outer spherical gear shaft is fixedly arranged on the inner surface of the second connecting sleeve.

Further optimization: the inner spherical tooth sleeve is annularly provided with a first flange, the spherical cap is provided with a second flange at a position corresponding to the inner spherical tooth sleeve, the first flange is provided with a bolt hole at a position corresponding to the second flange, a bolt is arranged in the bolt hole, and the bolt penetrates through the bolt hole to link the inner spherical tooth sleeve and the spherical cap into a whole.

Further optimization: a spring is arranged between the first connecting sleeve and the spline sleeve, the spring is sleeved on the spline shaft, one end of the spring is connected with the first connecting sleeve in a jacking mode, and the other end of the spring is connected with the spline sleeve in a jacking mode.

The above technical scheme is adopted in the utility model, think about ingeniously, and is rational in infrastructure, use when using on the leveler when this transmission shaft, internal thread and external screw thread are mutually supported, link interior ball tooth cover as an organic whole with the ball cap, after ball tooth cover in the installation of outer ball tooth, make outer ball tooth card in the cavity between interior ball tooth cover and the ball cap, guarantee that outer ball tooth can not slide, directly increased the moment of torsion that can bear of this shaft coupling, and can play certain sealed effect, make the difficult tooth portion that enters into outer ball tooth and interior ball tooth cover of external dust.

The sealing ring that sets up has certain elasticity, and the tensioning after ball cap and interior ball tooth cover are connected enables between ball cap and the outer ball tooth to seal, and then is used for the oil pocket of sealed interior ball tooth cover, plays dirt-proof effect to guarantee that the emollient in the oil pocket can not spill.

The spline sleeve and the spline shaft can axially slide, when the leveler is disassembled according to different working conditions, the fixing screws on the ball cap are taken down firstly, then the ball cap is rotated and taken down from the inner ball tooth sleeve, then one side of the spline axial spline sleeve is pushed, at the moment, the whole length of the transmission shaft is shortened, and the transmission shaft can be taken down from the leveler for replacement or maintenance.

The inner spherical tooth sleeve and the outer spherical tooth are fixed through the bolts, the structure is simple, and the transmission shaft is convenient to disassemble besides meeting the working requirement of the leveling machine.

In the use, the spring setting is between first connecting sleeve and spline housing, and first connecting sleeve and spline housing extrusion spring make the spring produce elastic potential energy, and the spring is used for elasticity respectively to first connecting sleeve and spline housing, lets the integral key shaft can not increase substantially in the slip of integral key shaft in work to the spline housing, can effectively increase the stability of this transmission shaft.

Compared with the traditional transmission shaft, the transmission shaft has the advantages that the torque is larger, the strength is higher, the high-strength spherical gear coupling is convenient to detach and install and is special for a leveling machine, the service life is longer, and the maintenance is more economical.

The present invention will be further explained with reference to the drawings and examples.

Drawings

Fig. 1 is a schematic view of the overall structure of embodiment 1 of the present invention;

fig. 2 is a schematic structural view of an inner ball gear sleeve in embodiment 1 of the present invention;

fig. 3 is a schematic structural view of an outer spherical tooth in embodiment 1 of the present invention;

fig. 4 is a schematic view of the overall structure of embodiment 2 of the present invention;

fig. 5 is a schematic structural view of an outer spherical tooth shell in embodiment 2 of the present invention;

fig. 6 is a schematic structural view of a ball cap in embodiment 2 of the present invention;

fig. 7 is a schematic view of the overall structure of embodiment 3 of the present invention.

In the figure: 1-inner ball gear sleeve; 2-outer spherical teeth; 3-a ball cap; 4-a set screw; 5-a first connecting sleeve; 6-spline shaft; 7-spline housing; 8-connecting pipe; 9-a second connecting sleeve; 10-a first external ball gear shaft; 11-internal screw thread; 12-a sealing ring; 13-a ball groove; 14-gullet; 15-external thread; 16-splines; 17-ball teeth; 18-a second outer ball spline shaft; 19-a limit groove; 20-a first flange; 21-a second flange; 23-a bolt; 24-spring.

Detailed Description

Example 1: as shown in fig. 1, a special high strength spherical tooth shaft coupling of leveler, including the interior spherical tooth cover 1 that two symmetries set up, there is the ball cap 3 one end of interior spherical tooth cover 1 through threaded connection, be provided with a cavity that is used for placing outer spherical tooth 2 between interior spherical tooth cover 1 and the ball cap 3, through tooth portion intermeshing between interior spherical tooth cover 1 and the outer spherical tooth 2, outer spherical tooth 2 is provided with first outer ball pinion 10 in the one end an organic whole of keeping away from interior spherical tooth cover 1, first outer ball pinion 10 is provided with coupling assembling in the one end of keeping away from outer spherical tooth 2.

As shown in fig. 2 to 3, the inner socket 1 has a cylindrical overall structure, and a ball groove 13 is formed in one side of the inner socket 1.

The ball groove 13 and the inner ball gear sleeve 1 are arranged coaxially, and the overall shape of the ball groove 13 is spherical.

The inner wall of the inner spherical tooth sleeve 1 is provided with a plurality of tooth grooves 14 matched with the tooth parts of the outer spherical teeth 2, and the tooth grooves 14 are meshed with the tooth parts of the outer spherical teeth 2 to realize power transmission.

And external threads 15 are distributed on the outer surface of the inner spherical gear sleeve 1.

The other side of the inner spherical gear sleeve 1 is connected with the power output end of the leveler.

The ball cap 3 is in a circular plate shape, and a circular through hole for the first outer ball gear shaft 10 to pass through is formed in the middle of the ball cap 3.

The inner diameter of the ball cap 3 close to one side of the inner spherical tooth sleeve 1 is the same as the outer diameter of the inner spherical tooth sleeve 1.

The ball cap 3 is provided with an internal thread 11 at a position corresponding to the external thread 15, and the internal thread 11 is matched with the external thread 15.

The ball cap 3 is provided with a fixing screw 4 at a position corresponding to the inner ball gear sleeve 1, and the fixing screw 4 is used for fixing the ball cap 3 and the inner ball gear sleeve 1 firmly.

The design like this, internal thread 11 and external screw thread 15 are mutually supported, and it is as an organic whole to link interior ball tooth cover 1 with ball cap 3, and after interior ball tooth cover 1 was installed into to outer ball tooth 2, make outer ball tooth 2 card in the cavity between interior ball tooth cover 1 and ball cap 3, guarantee that outer ball tooth 2 can not slide, directly increased the borne moment of torsion of this shaft coupling to can play certain sealed effect, make the difficult tooth portion that enters into outer ball tooth 2 and interior ball tooth cover 1 of dust in the external world.

The outer spherical teeth 2 are provided with a plurality of spherical teeth 17 corresponding to the tooth grooves 14, and the spherical teeth 17 are meshed with the tooth grooves 14.

And a sealing ring 12 is arranged on the outer surface of the outer spherical tooth 2 and close to the first outer spherical tooth shaft 10, and the sealing ring 12 is sleeved on the outer spherical tooth 2.

After the ball cap 3 is connected with the inner ball tooth sleeve 1, the sealing ring 12 is positioned inside the ball cap 3 and the inner ball tooth sleeve 1, and the sealing ring 12 is pressed on the outer ball tooth 2 through the inner ball tooth sleeve 1.

The sealing ring 12 has certain elasticity, and after the ball cap 3 is fixedly installed on the inner ball tooth sleeve 1, the ball cap 3 extrudes the sealing ring 12, and the sealing ring 12 receives the extrusion force of the ball cap 3, so that the sealing ring 12 is respectively in close contact with the inner ball tooth sleeve 1 and the ball cap 3, and the effect of limiting the position of the outer ball tooth 2 is achieved, and the outer ball tooth 2 is prevented from being disjointed from the inner ball tooth sleeve 1 when being rotated by axial force.

The sealing ring 12 is squeezed when the outer spherical teeth 2 swing, the sealing ring 12 is used for limiting the axial movement of the outer spherical teeth 2, the outer spherical teeth 2 are always meshed with the tooth part of the inner spherical tooth sleeve 1, and tooth clamping is avoided.

The sealing ring 12 has certain elasticity, and when the ball cap 3 is connected with the inner ball gear sleeve 1 and then tensioned, the ball cap 3 and the outer ball gear 2 can be sealed, so that an oil cavity of the inner ball gear sleeve 1 is sealed, a dustproof effect is achieved, and the lubricating agent in the oil cavity can not leak.

The overall shape of the outer spherical gear shaft 19 is cylindrical, and the outer spherical gear shaft 19 and the inner spherical gear sleeve 1 are arranged coaxially.

The first outer spherical tooth shaft 10 is provided with a spline shaft 6 at one end far away from the inner spherical tooth sleeve 1, the integral structure of the spline shaft 6 is cylindrical, and the diameter of the spline shaft 6 is the same as that of the first outer spherical tooth shaft 10.

The spline shaft 6 and the first external ball gear shaft 10 are arranged coaxially, and the spline shaft 6 is provided with a spline 16 on the outer surface of one side far away from the first external ball gear shaft 10.

Coupling assembling includes first connecting sleeve 5, and the fixed cover of first connecting sleeve 5 is established on the surface of integral key shaft 6 and first outer ball pinion 10, and first connecting sleeve 5 and first outer ball pinion 10 are the coaxial line setting.

The integral structure of the first connecting sleeve 5 is cylindrical, and the inner diameter of the first connecting sleeve 5 is the same as the outer diameter of the first outer ball gear shaft 10.

One side of the first connecting sleeve 5 is fixedly welded on the outer side of the first outer spherical tooth shaft 10, and the other side of the first connecting sleeve 5 is fixedly welded on the outer side of the spline shaft 6, so that the first outer spherical tooth shaft 10 and the spline shaft 6 are connected into a whole.

The spline shaft 6 is sleeved with a spline housing 7 outside one side far away from the first outer ball gear shaft 10, and the integral shape of the spline housing 7 is cylindrical.

The inner surface of the spline housing 7 is provided with a spline groove matched with the spline 16, the spline housing 7 is in sliding connection with the spline shaft 6, and the spline housing 7 and the spline shaft 6 are arranged coaxially.

Design like this, can carry out the axial slip between spline housing 7 and the integral key shaft 6, when the leveler needs to dismantle according to the operating mode of difference, take off with set screw 4 on the ball cap 3 earlier, it is rotatory again to take off from interior ball tooth cover 1, then push away integral key shaft 6 to one side of spline housing 7, and the whole length of this transmission shaft shortens this moment, can follow the leveler with this transmission shaft and take off, change or maintain.

The outer surface of the spline housing 7 is sleeved with a connecting pipe 8, the connecting pipe 8 is fixedly welded on the spline housing 7, the connecting pipe 8 is cylindrical in overall shape, and the diameter of the connecting pipe 8 is larger than that of the spline shaft 6.

The connecting pipe 8 is of a structure with two open ends, the connecting pipe 8 and the spline housing 7 are arranged coaxially, and the connecting pipe 8 extends for a distance to one side far away from the first connecting housing 5.

The inner surface of the connecting pipe 8 far away from one end of the spline housing 7 is fixedly provided with a second connecting sleeve 9, the second connecting sleeve 9 is cylindrical in overall shape, and the second connecting sleeve 9 is of a structure with two open ends.

The outer diameter of the second connecting sleeve 9 is the same as the inner diameter of the connecting pipe 8, the connecting pipe 8 is sleeved on the second connecting sleeve 9, the second connecting sleeve 9 and the connecting pipe 8 are arranged coaxially, and the second connecting sleeve 9 is fixedly welded on the connecting pipe 8.

The second connecting sleeve 9 is provided with a second outer ball gear shaft 18 on one side far away from the connecting pipe 8, the second outer ball gear shaft 18 and the second connecting sleeve 9 are arranged coaxially, and the outer diameter of the second outer ball gear shaft 18 is the same as the inner diameter of the second connecting sleeve 9.

The second connecting sleeve 9 is sleeved on the second outer spherical gear shaft 18, and the second connecting sleeve 9 and the second outer spherical gear shaft 18 are fixedly welded.

The second outer ball spline shaft 18 is integrally connected to the outer ball spline 2 at the other end.

Example 2: as shown in fig. 4, this embodiment is an improvement of the high-strength ball-and-socket coupling for a leveler in embodiment 1, which includes all the technical features of the high-strength ball-and-socket coupling for a leveler in embodiment 1, and the improvement is in the integral structure of the inner ball-and-socket sleeve 1 and the ball cap 3.

As shown in fig. 5, a circular limiting groove 19 is disposed at the central position of the inner socket 1, and the limiting groove 19 is disposed coaxially with the inner socket 1.

The inner spherical gear sleeve 1 is provided with a first flange 20 in an annular shape.

The spherical cap 3 is provided with a plurality of second flanges 21 at positions corresponding to the first flanges 20, and bolt holes with the same diameter are arranged at positions corresponding to the first flanges 20 and the second flanges 21.

And bolts 23 are arranged between the bolt holes, and the bolts 23 penetrate through the bolt holes to connect the inner spherical tooth sleeve 1 and the spherical cap 3 into a whole.

Design like this, fix through the bolt between interior ball tooth cover 1 and the outer ball tooth 3, simple structure outside satisfying the work demand of leveler, makes the dismantlement of this transmission shaft more convenient.

Example 3: as shown in fig. 6, this embodiment is an improvement of the high-strength spherical tooth coupling for a leveler in embodiment 2, which includes all the technical features of the high-strength spherical tooth coupling for a leveler in embodiment 2, and the improvement is made in the connection manner of the spline shaft 6 and the spline housing 7.

A spring 24 is arranged between the first connecting sleeve 5 and the spline housing 7, the spring 24 is sleeved on the spline shaft 6, one end of the spring 24 is connected with the first connecting sleeve 5 in a jacking mode, and the other end of the spring 24 is connected with the spline housing 7 in a jacking mode.

Design like this, in the use, spring 24 sets up between first connecting sleeve 5 and spline housing 7, and first connecting sleeve 5 makes spring 24 produce elastic potential energy with spline housing 7 extrusion spring 24, and spring 24 is acted on elasticity respectively to first connecting sleeve 5 and spline housing 7, lets integral key shaft 6 can not increase substantially in smooth to spline housing 7 at work, can effectively increase the stability of this transmission shaft.

For those skilled in the art, based on the teachings of the present invention, changes, modifications, substitutions and variations can be made to the embodiments without departing from the principles and spirit of the invention.

Claims (10)

1. The utility model provides a special high strength ball tooth shaft coupling of leveler, includes the interior ball tooth cover (1) that two symmetries set up, its characterized in that: one end of the inner spherical tooth sleeve (1) is connected with a spherical cap (3) through threads, a cavity used for placing the outer spherical tooth (2) is arranged between the inner spherical tooth sleeve (1) and the spherical cap (3), the inner spherical tooth sleeve (1) and the outer spherical tooth (2) are meshed with each other through a tooth part, a first outer spherical tooth shaft (10) is integrally arranged at one end of the outer spherical tooth (2) far away from the inner spherical tooth sleeve (1), and a connecting assembly is arranged at one end of the first outer spherical tooth shaft (10) far away from the outer spherical tooth (2).

2. The special high-strength spherical tooth coupling for the leveler as in claim 1, wherein: the integral structure of the inner spherical tooth sleeve (1) is cylindrical, a spherical groove (13) is formed in the inner part of one side of the inner spherical tooth sleeve (1), a plurality of tooth grooves (14) matched with the tooth parts of the outer spherical teeth (2) are formed in the inner wall of the inner spherical tooth sleeve (1), and external threads (15) are distributed on the outer surface of the inner spherical tooth sleeve (1).

3. The high-strength spherical tooth coupling special for the leveler as in claim 2, wherein: a round through hole through which the first outer ball gear shaft (10) can pass is formed in the middle of the ball cap (3), an inner thread (11) matched with the outer thread (15) is arranged at the position, corresponding to the outer thread (15), on the ball cap (3), and a fixing screw (4) is arranged at the position, corresponding to the inner ball gear sleeve (1), of the ball cap (3).

4. The high-strength spherical tooth coupling special for the leveler as in claim 3, wherein: and a sealing ring (12) is arranged on the outer surface of the outer spherical tooth (2) and close to the position of the first outer spherical tooth shaft (10), and the sealing ring (12) is tightly connected with the inner surface of the spherical cap (3) and used for sealing the outer spherical tooth (2) and the spherical cap (3).

5. The special high-strength spherical tooth coupling for the leveler as in claim 4, wherein: one end of the first outer spherical tooth shaft (10) far away from the inner spherical tooth sleeve (1) is provided with a cylindrical spline shaft (6), and the outer surface of one side of the spline shaft (6) far away from the first outer spherical tooth shaft (10) is provided with a spline (16).

6. The special high-strength spherical tooth coupling for the leveler as in claim 5, wherein: the connecting assembly comprises a first connecting sleeve (5), and the first connecting sleeve (5) is fixedly sleeved on the outer surfaces of the spline shaft (6) and the first outer spherical tooth shaft (10).

7. The special high-strength spherical tooth coupling for the leveler as in claim 6, wherein: the spline shaft (6) is equipped with spline housing (7) in the outside cover of keeping away from first outer ball pinion (10) one side, is provided with on the internal surface of spline housing (7) with spline (16) assorted spline groove, the cover is equipped with connecting pipe (8) on the surface of spline housing (7).

8. The special high-strength spherical tooth coupling for the leveler as in claim 7, wherein: a second connecting sleeve (9) is fixedly arranged on the inner surface of one end, far away from the spline sleeve (7), of the connecting pipe (8), and a second outer spherical gear shaft (18) is fixedly arranged on the inner surface of the second connecting sleeve (9).

9. The high-strength spherical tooth coupling special for the leveler as in claim 8, wherein: the inner spherical tooth sleeve (1) is annularly provided with a first flange (20), the spherical cap (3) is provided with a second flange (21) at a position corresponding to the inner spherical tooth sleeve (1), the first flange (20) is provided with a bolt hole at a position corresponding to the second flange (21), a bolt (23) is arranged in the bolt hole, and the bolt (23) penetrates through the bolt hole to link the inner spherical tooth sleeve (1) and the spherical cap (3) into a whole.

10. The high-strength spherical tooth coupling special for the leveler as in claim 9, wherein: a spring (24) is arranged between the first connecting sleeve (5) and the spline sleeve (7), the spring (24) is sleeved on the spline shaft (6), one end of the spring (24) is connected with the first connecting sleeve (5) in a jacking mode, and the other end of the spring (24) is connected with the spline sleeve (7) in a jacking mode.

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