CN215214429U

CN215214429U - Ball tooth single-section elastic coupling of steel rolling roller way

Info

Publication number: CN215214429U
Application number: CN202121639558.6U
Authority: CN
Inventors: 付来强; 华志鹏
Original assignee: Shandong Hengtai Transmission Machinery Co ltd
Current assignee: Shandong Hengtai Transmission Machinery Co ltd
Priority date: 2021-07-19
Filing date: 2021-07-19
Publication date: 2021-12-17
Anticipated expiration: 2031-07-19

Abstract

The utility model discloses a steel rolling roller way ball tooth single-section elastic coupling, which comprises an inner ball tooth flange seat and an outer tooth spline shaft, wherein the outer tooth spline shaft comprises an outer ball tooth section and a spline shaft which are integrally connected, the outer ball tooth section is arranged in a ball cavity arranged in the inner ball tooth flange seat, the outer ball tooth section and the ball cavity can transmit power through tooth meshing, a spring pressing sleeve is sleeved on the spline shaft, one end of the spring pressing sleeve is movably connected with the inner ball tooth flange seat through an adjusting component, an elastic butting component is arranged on the spline shaft and positioned in front of the spring pressing sleeve and the outer ball tooth section, the elastic butting component outputs elastic force to knock the outer ball tooth section and always keeps the force moving towards one side close to the inner ball tooth flange seat, the utility model has simple integral structure, convenient use, convenient disassembly and installation, improved working efficiency, and can eliminate the moment, eliminate the dead point on the coupling, and has large transmission moment, the transmission is stable.

Description

Ball tooth single-section elastic coupling of steel rolling roller way

Technical Field

The utility model belongs to the technical field of the shaft coupling, specific theory relates to a steel rolling roll table ball tooth single-section elastic coupling.

Background

In the rolling process of the steel, a blank is supported by a roller of a roller way of a steel rolling machine, then the blank is conveyed to a rolling mill, and then the blank is rolled by the rolling mill.

The rotary power of the roller bed roller is provided by a motor and a gearbox, the motor and the gearbox transmit power through a coupler, the motor outputs rotary power to be transmitted to the coupler, the coupler transmits the rotary power to the gearbox, and the gearbox transmits the rotary power to each roller, so that a set of complete transmission and rolling process is formed.

In the prior art, the couplings between the motor and the gearbox are universal cross couplings and rzeppa couplings, the couplings are easy to fatigue and damage in the using process and need to be overhauled, and therefore the maintenance and the replacement of the couplings are frequent.

The existing coupler integral structure is an integrated structure, axial displacement cannot be carried out, and then when the coupler is replaced, after a gearbox or a motor at one end of the coupler needs to be disassembled, the coupler is disassembled axially, so that overhaul and maintenance are inconvenient, the coupler replacement rate is low, a large amount of working time needs to be occupied, and production and working efficiency are seriously affected.

And during steel rolling operation, steel rolling operation is unstable, vibration is easily generated, so that the impact force applied to the coupler is large, and related parts of the coupler are easily damaged under the action of large impact force, so that the service life of the coupler is low, and the use effect is reduced.

SUMMERY OF THE UTILITY MODEL

The to-be-solved main technical problem of the utility model is to provide a simple structure, it is convenient to dismantle the change, can improve work efficiency to can dissolve moment, eliminate the dead point on the shaft coupling, transmission torque is big, and the stable steel rolling roll table ball tooth single-section elastic coupling of transmission.

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

the utility model provides a steel rolling roll table button single-section elastic coupling, including interior button flange seat and external tooth integral key shaft, the external tooth integral key shaft includes outer button section and the integral key shaft of a body coupling, the ball intracavity that sets up in the interior button flange seat is installed to outer button section, both transmitted power through tooth portion meshing between outer button section and the ball chamber, the cover is equipped with the spring and presses the cover on the integral key shaft, the one end that the spring pressed the cover is passed through adjusting part and interior button flange seat swing joint, lie in on the integral key shaft that the spring pressed the cover and install elasticity butt joint subassembly before the outer button section, elasticity butt joint subassembly output elasticity butt joint subassembly pushes up outer button section and keeps the power that moves to being close to interior button flange seat one side always.

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

the spring pressing sleeve is internally provided with a mounting cavity and an assembling cavity which are communicated with each other, the assembling cavity is sleeved on the spline shaft, the mounting cavity is sleeved on the outer surface of the inner spherical tooth flange seat, and a spring abutting surface is arranged at the joint of the mounting cavity and the assembling cavity.

Further optimization: the elastic butting component is sleeved on the spline shaft, one end of the elastic butting component is butted with the butting face of the spring, and the other end of the elastic butting component is butted with one end face, close to the spline shaft, of the outer ball gear joint.

Further optimization: the adjusting component comprises an internal thread arranged on the inner surface of the mounting cavity, an external thread is arranged at the position corresponding to the internal thread on the outer surface of the inner spherical tooth flange seat, and the internal thread is in threaded connection with the external thread.

Further optimization: a plurality of strip holes are formed in the position, close to the mounting cavity, on the outer surface of the spring pressing sleeve, threaded holes are formed in the positions, corresponding to the strip holes, on the inner spherical tooth flange seat, and fixing bolts are connected with the strip holes in a threaded mode.

Further optimization: be provided with the spline housing flange on the integral key shaft, the splined hole has been seted up at the middle part of spline housing flange, and the spline housing flange passes through the splined hole cover to be established on the integral key shaft, is connected through the vice transmission of spline between spline housing flange and the integral key shaft, and an organic whole is connected with the second ring flange on the surface of spline housing flange.

Further optimization: and a sealing assembly is sleeved on the spline shaft between the spring pressing sleeve and the spline sleeve flange, and two ends of the sealing assembly are respectively and fixedly connected with the corresponding spring pressing sleeve and the spline sleeve flange.

Further optimization: a first sealing installation surface is arranged on the outer surface of the spring pressing sleeve and close to the sealing assembly, and a second sealing installation surface is arranged on the outer surface of the spline sleeve flange and close to the sealing assembly.

Further optimization: the sealing assembly comprises a sheath 8, sealing joints 8 are respectively arranged at the positions of two ends of the sheath 8, a long hoop is sleeved on the outer surface of each sealing joint 8, and the long hoop is used for fixedly connecting the sealing joints 8 at the two ends of the sheath 8 with a corresponding first sealing installation surface and a corresponding second sealing installation surface respectively.

Further optimization: the adjusting component comprises a third flange and a fourth flange which are matched with each other, the third flange is integrally connected to the outer surface of the inner spherical tooth flange seat, the fourth flange is integrally connected to the outer surface of the spring pressing sleeve, and the third flange is fixedly connected with the fourth flange through bolts.

The above technical scheme is adopted in the utility model, think about ingenious, rational in infrastructure, the spline housing flange can be followed the axial of integral key shaft and removed, and then can adjust the whole length of this steel rolling roll table ball tooth shaft coupling, and convenient can install between engine and speed reducer, facilitates the use to need not to dismantle and adjust the position of engine and speed reducer, conveniently install, maintenance time that can significantly reduce improves production efficiency.

The elastic force can be output through the elastic abutting component, the elastic force can abut against the outer spherical tooth joint to keep the force moving towards one side close to the inner spherical tooth flange seat, and then the elastic force of the elastic abutting component can keep the tooth parts between the outer spherical tooth joint and the spherical cavity meshed with each other; and when the axial position of the spring pressing sleeve is adjusted through the adjusting assembly, the adjusting assembly can be used for adjusting the elasticity of the elastic abutting assembly, and further the using effect is improved.

Install the steel ball between the internal surface of outer spherical tooth festival and ball chamber, through the outer spherical tooth festival of messenger that the steel ball can be convenient swings, realizes adjusting the spatial position between spherical tooth flange seat and the external tooth integral key shaft, facilitates the use, and the steel ball can ensure that the cooperation center of interior spherical tooth flange seat and external tooth integral key shaft keeps unchangeable to can also ensure that the ankle joint of interior spherical tooth flange seat and external tooth integral key shaft rotates in a flexible way, facilitates the use.

And can encapsulate spring pressure sleeve and spline housing flange and external tooth integral key shaft's junction through the sheath, improve sealed effect, and then can prevent that outside dust from getting into to and enough avoid inside lubricated appearing revealing, improve the result of use, and this sealing sleeve does not influence the spline housing flange and removes facilitating use along the axial of integral key shaft.

And this steel rolling roll table ball tooth shaft coupling overall structure is simple, convenient manufacturing and production to laid lubricating oil between ankle joint and the spline pair, can guarantee to rotate in a flexible way, and can prolong whole life, improve the result of use.

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 spherical tooth flange seat in embodiment 1 of the present invention;

fig. 3 is a schematic structural view of an external-tooth spline shaft in embodiment 1 of the present invention;

fig. 4 is a schematic structural view of a spring pressing sleeve in embodiment 1 of the present invention;

FIG. 5 is a side view of FIG. 4;

fig. 6 is a schematic structural view of a spline housing flange in embodiment 1 of the present invention;

fig. 7 is a schematic view of the overall structure of embodiment 2 of the present invention;

fig. 8 is a schematic structural view of an inner spherical tooth flange seat in embodiment 2 of the present invention;

fig. 9 is a schematic structural view of the spring pressing sleeve in embodiment 2 of the present invention.

In the figure: 1-inner spherical tooth flange seat; 11-a ball cavity; 12-a first flange; 13-external thread; 14-grease nipple; 15-a third flange; 2-an external tooth spline shaft; 21-outer spherical gear segment; 22-a splined shaft; 23-outer buttons; 24-steel ball mounting cavity; 3-pressing the sleeve by a spring; 31-internal thread; 32-a mounting cavity; 33-an assembly chamber; 34-elongated holes; 35-spring top abutment surface; 36-a first seal mounting face; 37-a fourth flange; 4-spline housing flange; 41-spline shaft oil nozzle; 42-splined bore; 43-a second flange; 44-a second seal mounting face; 5-steel ball; 6-fixing the bolt; 7-a keybar; 8-a sheath; 81-sealing the joint; 9-long hoop; 10-elastic top connection component; 101-belleville springs; 102-helical spring.

Detailed Description

Example 1: referring to fig. 1-6, a ball-tooth single-section elastic coupling for a steel rolling roller way comprises an inner ball-tooth flange seat 1 and an outer tooth spline shaft 2, the external-tooth spline shaft 2 comprises an external spherical tooth pitch 21 and a spline shaft 22 which are coaxially arranged and integrally connected with each other, a ball cavity 11 is arranged in the inner spherical tooth flange seat 1, the outer spherical tooth joint 21 is arranged in the ball cavity 11, the outer spherical tooth joint 21 is meshed with the spherical cavity 11 through a tooth part, so that power is transmitted, the spline shaft 22 is sleeved with the spring pressing sleeve 3, one end of the spring pressing sleeve 3 close to the inner spherical tooth flange seat 1 is movably connected with the inner spherical tooth flange seat 1 through an adjusting component, the spline shaft 22 is provided with an elastic butting component 10 in front of the spring pressing sleeve 3 and the outer spherical tooth section 21, the elastic force jacking component 10 outputs elastic force to jack the outer spherical tooth section 21 to always keep moving towards one side close to the inner spherical tooth flange seat 1.

The outer spherical tooth section 21 is in a semi-spherical shape in the whole structure, and a plurality of outer spherical teeth 23 are distributed on the outer spherical surface of the outer spherical tooth section 21.

The cross section shape of the spherical cavity 11 is matched with the outer surface shape of the outer spherical tooth joint 21, and a plurality of inner spherical teeth meshed with the outer spherical teeth 23 on the outer spherical tooth joint 21 are distributed on the inner wall of the spherical cavity 11.

The cross section of the outer spherical tooth 23 is in an arc shape smaller than or equal to a semicircle.

The radian of the cross section of the outer spherical teeth 23 is gradually reduced from the maximum diameter position of the outer spherical tooth joint 21 to the front end, so that the overall shape of the outer spherical teeth 23 is wedge-shaped arc teeth.

The cross-sectional shape of the inner buttons on the inner surface of the ball cavity 11 matches the cross-sectional shape of the outer buttons 23.

The outer spherical tooth joint 21 is assembled in the spherical cavity 11 of the inner spherical tooth flange seat 1, the outer spherical teeth 23 on the outer spherical tooth joint 21 are meshed with the inner spherical teeth in the spherical cavity 11 to transmit power, and an ankle joint is formed between the outer tooth spline shaft 2 and the inner spherical tooth flange seat 1.

At this moment, the spline shaft 22 rotates to drive the outer spherical tooth section 21 to rotate, the outer spherical tooth section 21 rotates to drive the inner spherical tooth flange seat 1 to integrally rotate through the meshing transmission power of the tooth parts, the use is convenient, and the effect of transmission power can be realized.

And a steel ball mounting cavity 24 is formed in the middle position of the outer spherical tooth joint 21 close to one end face of the inner spherical tooth flange seat 1, and a steel ball 5 is mounted in the steel ball mounting cavity 24.

The opening depth of the steel ball mounting cavity 24 is smaller than the diameter of the steel ball 5, and the outer surface of the steel ball 5 is in contact with the inner surface of the steel ball mounting cavity 24 and the inner surface of the ball cavity 11.

Design like this, the support of accessible steel ball 5 can make outer spherical teeth festival 21 be close to and separate certain clearance of department between the internal surface of 1 terminal surface of interior spherical teeth flange seat and corresponding ball chamber 11 to through this clearance can be convenient make outer spherical teeth festival 21 swing, realize adjusting the spatial position between interior spherical teeth flange seat 1 and the external tooth integral key shaft 2, facilitate the use.

And the support through steel ball 5 can ensure that the cooperation center of interior ball tooth flange seat 1 and external tooth integral key shaft 2 keeps unchangeable to can also ensure that the ankle joint of interior ball tooth flange seat 1 and external tooth integral key shaft 2 rotates in a flexible way, facilitate the use.

An installation cavity 32 and an assembly cavity 33 which are communicated with each other are formed in the spring pressing sleeve 3, and the cross sections of the installation cavity 32 and the assembly cavity 33 are in stepped hole shapes.

The inner surface diameter of the mounting cavity 32 is matched with the outer surface diameter of the inner spherical tooth flange seat 1, and the inner surface diameter of the assembly cavity 33 is larger than the outer surface diameter of the spline shaft 22.

By the design, the spring pressing sleeve 3 can be sleeved on the spline shaft 22 through the assembling cavity 33, and the mounting cavity 32 can be sleeved on the outer surface of the inner spherical tooth flange seat 1, so that the spring pressing sleeve is convenient to use.

The adjusting component comprises an internal thread 31 arranged on the inner surface of the mounting cavity 32, and an external thread 13 is arranged on the position, corresponding to the internal thread 31, on the outer surface of the inner spherical tooth flange seat 1.

The spring pressing sleeve 3 is in threaded connection with the external thread 13 on the inner spherical tooth flange seat 1 through the internal thread 31, and the spring pressing sleeve 3 is fixedly installed on the inner spherical tooth flange seat 1.

A plurality of strip holes 34 are formed in the outer surface of the spring pressing sleeve 3 at positions close to the mounting cavity 32, the strip holes 34 are distributed along the outer surface of the spring pressing sleeve 3 at annular intervals, and the length direction of the strip holes 34 is parallel to the axis of the spring pressing sleeve 3.

Threaded holes are formed in the positions, corresponding to the strip holes 34, of the inner spherical tooth flange seat 1, and the strip holes 34 and the threaded holes are connected with fixing bolts 6 in an inner threaded mode.

The spring pressing sleeve 3 can be further fixedly arranged on the inner spherical tooth flange seat 1 through the threaded connection of the fixing bolt 6 penetrating through the long hole 34 and the threaded hole.

And adopt threaded connection between spring pressure cover 3 and the interior ball tooth flange seat 1, can carry out the position that the spring pressed the cover 3 through fixing bolt 6 and rectangular hole 34's cooperation this moment, facilitate the use.

A spring abutting surface 35 is arranged at the joint of the installation cavity 32 and the assembly cavity 33 in the spring pressing sleeve 3.

The elastic abutting assembly 10 comprises a disc spring 101, the disc spring 101 is sleeved on the spline shaft 22, one end of the disc spring 101 abuts against the spring abutting surface 35, and the other end of the disc spring 101 abuts against one end of the outer ball tooth joint 21 close to the spline shaft 22.

The disc spring 101 outputs elastic force to push the outer ball tooth joint 21 to always keep the force moving towards the side close to the inner ball tooth flange seat 1, and then the elastic force of the disc spring 101 can keep the tooth parts between the outer ball tooth joint 21 and the ball cavity 11 to be always meshed with each other.

And the force of the toothed engagement between the outer ball tooth pitch 21 and the ball cavity 11 determines the magnitude of the spring force of the belleville spring 101.

By means of the design, when the axial position of the spring pressing sleeve 3 is adjusted through the adjusting assembly, the distance between the spring abutting surface 35 and one end face, close to the spline shaft 22, of the outer ball tooth joint 21 can be adjusted, and therefore the elastic force of the disc spring 101 can be adjusted.

When the distance between the spring abutting surface 35 and the end surface of the outer ball pitch 21 close to the spline shaft 22 becomes larger, the elastic force of the disc spring 101 decreases.

Conversely, when the distance between the spring abutting surface 35 and the end surface of the outer ball pitch 21 close to the spline shaft 22 becomes smaller, the elastic force of the disc spring 101 increases.

Therefore, when the axial position of the spring pressing sleeve 3 is adjusted through the adjusting assembly, the elastic force of the disc spring 101 can be adjusted, and the using effect is further improved.

And a first flange plate 12 is integrally connected to the outer surface of the inner spherical tooth flange seat 1 and the position far away from the outer tooth spline shaft 2.

The first flange plate 12 is provided with a plurality of bolt through holes, bolts can penetrate through the bolt through holes in the first flange plate 12, and the inner spherical tooth flange seat 1 can be in transmission connection with a power output end or a power input end through the first flange plate 12 and the bolts.

And a key groove is formed in one end face, far away from the external tooth spline shaft 2, of the internal spherical tooth flange seat 1, and a key bar 7 is installed in the key groove.

The key strip 7 is used for transmitting power after the inner spherical tooth flange seat 1 is fixed with a corresponding flange of a power output end or a power input end.

The spline shaft 22 is provided with an external spline, and the spline shaft 22 is movably sleeved with a spline housing flange 4 through a spline pair.

Spline hole 42 has been seted up at the middle part of spline housing flange 4, spline housing flange 4 passes through spline hole 42 cover and establishes on integral key shaft 22, and is connected through the vice transmission of spline between spline housing flange 4 and the integral key shaft 22.

By the design, the spline housing flange 4 is in transmission connection with the spline shaft 22 through the spline pair, so that the spline housing flange 4 can move along the axial direction of the spline shaft 22, and the position between the spline housing flange 4 and the spline shaft 22 can be adjusted.

And a second flange plate 43 is integrally connected to one end of the outer surface of the spline housing flange 4, which is far away from the external tooth spline shaft 2.

The second flange plate 43 is provided with a plurality of bolt through holes, bolts can penetrate through the bolt through holes on the second flange plate 43, and the spline housing flange 4 can be in transmission connection with a power output end or a power input end through the second flange plate 43 and the bolts.

And a key groove is formed in one end surface, away from the inner spherical tooth flange seat 1, of the spline housing flange 4, and a key bar 7 is installed in the key groove.

The key bar 7 is used for transmitting power after the spline housing flange 4 and the corresponding flange of the power output end or the power input end are fixed together.

And a sealing assembly is sleeved on the spline shaft 22 between the spring pressing sleeve 3 and the spline sleeve flange 4, and two ends of the sealing assembly are respectively and fixedly connected with the corresponding spring pressing sleeve 3 and the spline sleeve flange 4.

A first sealing installation surface 36 is arranged on the outer surface of the spring pressing sleeve 3 at a position close to the sealing assembly, and one end of the sealing assembly close to the spring pressing sleeve 3 is sleeved on the first sealing installation surface 36.

And a second sealing installation surface 44 is arranged on the outer surface of the spline housing flange 4 at a position close to the sealing assembly, and one end of the sealing assembly close to the spline housing flange 4 is sleeved on the second sealing installation surface 44.

The sealing assembly comprises a sheath 8, the overall shape of the sheath 8 is corrugated, and sealing joints 81 are respectively arranged at two ends of the sheath 8.

The sealing joints 81 at the two ends of the sheath 8 are respectively sleeved on the first sealing mounting surface 36 of the spring pressing sleeve 3 and the second sealing mounting surface 44 of the spline sleeve flange 4 in a sealing manner.

The outer surface of the sealing joint 81 is sleeved with a long hoop 9, and the long hoops 9 are used for fixedly connecting the sealing joints 81 at the two ends of the sheath 8 with the corresponding first sealing installation surface 36 and the second sealing installation surface 44 respectively.

The sheath 8 is made of rubber materials, and the spline housing flange 4 slides along the axial direction of the spline shaft 22 to drive the sheath 8 to compress or extend.

Design like this, this sheath 8 of accessible prevents dust, avoids outside dust to get into, improves the service function effect to can also avoid inside lubrication to appear revealing, improve the result of use.

And a grease nozzle 14 is arranged at a position, close to the ball cavity 11, on the inner spherical tooth flange seat 1, and the grease nozzle 14 is communicated with the ball cavity 11.

The grease nipple 14 is plugged by a plugging cap.

By the design, lubricating oil can be conveniently injected into the ball cavity 11 through the grease nipple 14, so that the meshing of the outer spherical tooth section 21 and the tooth part of the inner spherical tooth flange seat 1 is in the lubricating oil to work, and the using effect is improved.

The outer surface of the spline housing flange 4 is provided with a spline shaft oil nipple 41, and the spline shaft oil nipple 41 is communicated with the spline hole 42.

The spline shaft oil nozzle 41 is plugged through a plugging cap.

By the design, lubricating oil can be conveniently injected into the spline hole 42 through the spline shaft oil nozzle 41, so that the spline pair can work in the lubricating oil, and the using effect is improved.

Referring to fig. 1-6, when in use, only the spline housing flange 4 of the ball-tooth single-section elastic coupling of the steel rolling roller way can move along the axial direction of the spline shaft 22 to realize the adjustment of the axial position, other parts are fixedly assembled, when in installation, the motor and the speed reducer are fixed, at this time, the ball-tooth single-section elastic coupling of the steel rolling roller way is placed between the motor and the speed reducer, then the first flange 12 on the inner ball-tooth flange seat 1 and the speed reducer or the flange of the engine are butted and fixed by bolts, and then the second flange 43 on the spline housing flange 4 at the other end and the flange of the engine or the speed reducer are butted and fixed by bolts, and the installation is completed.

When the single-section elastic coupling of the ball teeth of the steel rolling roller way needs to be disassembled, the second flange 43 on the spline sleeve flange 4 and the flange of the engine or the speed reducer are disassembled firstly, then the first flange 12 and the flange of the speed reducer or the engine are disassembled, the spline sleeve flange 4 slides towards one side close to the inner ball tooth flange seat 1, the overall length of the single-section elastic coupling of the ball teeth of the steel rolling roller way can be reduced, and the single-section elastic coupling of the ball teeth of the steel rolling roller way can be disassembled conveniently.

Please refer to fig. 7-9, example 2: the single-section elastic coupling of the ball teeth of the steel rolling roller way in the embodiment 1 can also adopt the structure shown in fig. 7-9, the elastic jacking component 10 in the single-section elastic coupling of the ball teeth of the steel rolling roller way can also adopt a spiral spring 102, the spiral spring 102 is sleeved on the spline shaft 22, one end of the spiral spring 102 is in jacking connection with the spring jacking surface 35, and the other end of the spiral spring 102 is in surface jacking connection with one end of the outer ball tooth section 21 close to the spline shaft 22.

The spiral spring 102 outputs elastic force to push the outer ball tooth joint 21 to always keep the force moving towards one side close to the inner ball tooth flange seat 1, and then the elastic force of the spiral spring 102 can enable the tooth parts between the outer ball tooth joint 21 and the ball cavity 11 to always keep mutual meshing.

And when the axial position of the spring pressing sleeve 3 is adjusted through the adjusting assembly, the elastic force of the spiral spring 102 can be adjusted, and the using effect is further improved.

In the present embodiment 2, the adjusting assembly may also adopt the structure shown in fig. 7-9, and the adjusting assembly includes a fourth flange 37 integrally connected to the outer surface of the spring pressing sleeve 3 at a position close to the inner button flange seat 1.

The outer surface of the inner spherical tooth flange seat 1 is integrally connected with a third flange 15 at a position corresponding to the fourth flange 37, the third flange 15 is matched with the fourth flange 37, and the third flange 15 is fixedly connected with the fourth flange 37 through bolts.

By means of the design, the spring pressing sleeve 3 can be fixedly installed on the inner spherical tooth flange seat 1 through matching of the third flange 15 and the fourth flange 37 and fixedly connecting the third flange 15 and the fourth flange 37 through bolts.

In this embodiment 2, a gasket can be additionally arranged between the third flange 15 and the fourth flange 37, and the distance between the third flange 15 and the fourth flange 37 can be adjusted by the gasket, so that the axial position of the spring pressing sleeve 3 can be adjusted, the elastic force of the elastic force abutting assembly 10 can be adjusted, and the use effect can be further improved.

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

1. The utility model provides a steel rolling roll table ball tooth single-section elastic coupling which characterized in that: including interior ball tooth flange seat (1) and external tooth integral key shaft (2), external tooth integral key shaft (2) are including outer ball tooth festival (21) and integral key shaft (22) of body coupling, outer ball tooth festival (21) are installed in ball chamber (11) of seting up in interior ball tooth flange seat (1), both transmit power through tooth portion meshing between outer ball tooth festival (21) and ball chamber (11), the cover is equipped with spring pressure cover (3) on integral key shaft (22), the one end of spring pressure cover (3) is through adjusting part and interior ball tooth flange seat (1) swing joint, lie in spring pressure cover (3) and outer ball tooth festival (21) on integral key shaft (22) and install elasticity top connection subassembly (10) before, elasticity top connection subassembly (10) export elasticity top moves outer ball tooth festival (21) and keep having the power that moves to one side that is close to interior ball tooth flange seat (1) always.

2. The ball tooth single-joint elastic coupling of the steel rolling roller way according to claim 1, characterized in that: an installation cavity (32) and an assembly cavity (33) which are communicated with each other are formed in the spring pressing sleeve (3), the spline shaft (22) is sleeved with the assembly cavity (33), the installation cavity (32) is sleeved on the outer surface of the inner spherical tooth flange seat (1), and a spring jacking surface (35) is arranged at the joint of the installation cavity (32) and the assembly cavity (33).

3. The ball tooth single-joint elastic coupling of the steel rolling roller way according to claim 2, characterized in that: the elastic butting component (10) is sleeved on the spline shaft (22), one end of the elastic butting component (10) is butted with the spring butting face (35), and the other end of the elastic butting component (10) is butted with one end face, close to the spline shaft (22), of the outer spherical tooth section (21).

4. The ball tooth single-joint elastic coupling of the steel rolling roller way according to claim 3, characterized in that: the adjusting assembly comprises an internal thread (31) arranged on the inner surface of the mounting cavity (32), an external thread (13) is arranged at a position corresponding to the internal thread (31) on the outer surface of the inner spherical tooth flange seat (1), and the internal thread (31) is in threaded connection with the external thread (13).

5. The ball tooth single-joint elastic coupling of the steel rolling roller way according to claim 4, characterized in that: a plurality of strip holes (34) are formed in the position, close to the mounting cavity (32), on the outer surface of the spring pressing sleeve (3), threaded holes are formed in the positions, corresponding to the strip holes (34), on the inner spherical tooth flange seat (1), and the strip holes (34) and the threaded holes are connected with fixing bolts (6) in an inner threaded mode.

6. The ball tooth single-joint elastic coupling of the steel rolling roller way according to claim 5, characterized in that: be provided with spline housing flange (4) on integral key shaft (22), splined hole (42) have been seted up at the middle part of spline housing flange (4), and spline housing flange (4) is established on integral key shaft (22) through splined hole (42) cover, is connected through the vice transmission of spline between spline housing flange (4) and integral key shaft (22), and an organic whole is connected with second ring flange (43) on the surface of spline housing flange (4).

7. The ball tooth single-joint elastic coupling of the steel rolling roller way according to claim 6, characterized in that: a sealing assembly is sleeved on the spline shaft (22) between the spring pressing sleeve (3) and the spline housing flange (4), and two ends of the sealing assembly are fixedly connected with the spring pressing sleeve (3) and the spline housing flange (4) correspondingly respectively.

8. The ball tooth single-joint elastic coupling of the steel rolling roller way according to claim 7, characterized in that: a first sealing mounting surface (36) is arranged on the outer surface of the spring pressing sleeve (3) and close to the sealing assembly, and a second sealing mounting surface (44) is arranged on the outer surface of the spline sleeve flange (4) and close to the sealing assembly.

9. The ball tooth single-joint elastic coupling of the steel rolling roller way according to claim 8, characterized in that: the sealing assembly comprises a sheath (8), sealing joints (81) are respectively arranged at the positions of two ends of the sheath (8), a long hoop (9) is sleeved on the outer surface of each sealing joint (81), and the long hoops (9) are used for fixedly connecting the sealing joints (81) at the two ends of the sheath (8) with corresponding first sealing installation surfaces (36) and second sealing installation surfaces (44) respectively.

10. The ball tooth single-joint elastic coupling of the steel rolling roller way according to claim 9, characterized in that: the adjusting assembly comprises a third flange (15) and a fourth flange (37) which are matched with each other, the third flange (15) is integrally connected to the outer surface of the inner spherical tooth flange seat (1), the fourth flange (37) is integrally connected to the outer surface of the spring pressing sleeve (3), and the third flange (15) is fixedly connected with the fourth flange (37) through bolts.