CN216045068U - Cold rolling roller way coupling - Google Patents
Cold rolling roller way coupling Download PDFInfo
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- CN216045068U CN216045068U CN202121288284.0U CN202121288284U CN216045068U CN 216045068 U CN216045068 U CN 216045068U CN 202121288284 U CN202121288284 U CN 202121288284U CN 216045068 U CN216045068 U CN 216045068U
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Abstract
The utility model discloses a cold rolling roller way coupling which comprises a driving end outer gear sleeve, a driving end inner gear ring, a driven end outer gear sleeve and a driven end inner gear ring, wherein the driving end inner gear ring is connected with the driven end inner gear ring through a fastener, the outer gear sleeve is connected with the inner gear ring through a gear pair, the cold rolling roller way coupling also comprises a driving end lubricating oil path and a driven end lubricating oil path, the driving end lubricating oil path and the driven end lubricating oil path respectively comprise an oil hole provided with a plug screw and an oil hole provided with an oil cup, and the plug screw and the oil cup are respectively positioned at the left side and the right side of the gear pair. The gear pair has good lubricating effect, and the service life of the coupler is prolonged. Meanwhile, the outer gear sleeve is convenient to replace and high in material utilization rate; the inner gear sleeve has high material utilization rate, the sealing ring is convenient to replace, and safety accidents can not occur. In addition, the gear pair has good wear resistance.
Description
Technical Field
The utility model relates to a cold rolling roller way coupling which can be widely used for connection between a motor and a speed reducer, between the motor and equipment and between the speed reducer and the equipment.
Background
The cold rolling roller way coupler is an important mechanical basic component, and has the function of connecting a driving shaft and a driven shaft and transmitting torque to enable the two shafts to rotate together. In engineering use, axial displacement, radial displacement or angular displacement occurs at the axial positions of the two shafts due to manufacturing and mounting errors, abrasion of parts and the like. The presence of the offset causes the coupling to generate additional dynamic loads, causing vibrations, which worsen the behavior of the machine element.
The existing cold rolling roller bed coupler comprises a driving end inner gear ring, a driving end outer gear sleeve, a driven end inner gear ring and a driven end outer gear sleeve, wherein the inner gear ring is meshed with the driven end outer gear sleeve, the driving end inner gear ring is connected with the driven end inner gear ring through a hinged hole bolt, a left sealing ring and a right sealing ring are respectively arranged in sealing grooves of the driving end inner gear ring and the driven end inner gear ring, and the driving end inner gear ring and the driven end inner gear ring are respectively provided with an oil filling hole. The disadvantages of this structure are: firstly, the gap between the tooth parts of the coupler is small, and only one oil filling hole on the inner gear ring is filled with oil to ensure that the tooth parts are not sufficiently lubricated, so that the tooth parts are quickly abraded, and the service life of the coupler is shortened; the outer gear sleeve is integral, so that the disassembly and the assembly are difficult and the material utilization rate is low; thirdly, the sealing ring is arranged in the inner gear ring, so that the sealing ring is difficult to disassemble and assemble after being damaged and cannot be replaced on line; the material utilization rate of the inner gear ring is low; when the transmission torque is larger or the impact load is borne, the reamed hole bolt is easy to loosen or break, so that production accidents are caused; and fourthly, the outer gear sleeve and the inner gear ring are not subjected to nitriding treatment, the hardness of the tooth part is low, the tooth part is quickly abraded in the using process, and the service life of the coupler is shortened.
Disclosure of Invention
The utility model aims to solve the problem of providing a cold rolling roller way coupler, which has a good lubrication effect on a gear pair and prolongs the service life of the coupler. Meanwhile, the outer gear sleeve is convenient to replace and high in material utilization rate; the inner gear sleeve has high material utilization rate, the sealing ring is convenient to replace, and safety accidents can not occur. In addition, the gear pair has good wear resistance.
The utility model relates to a cold rolling roller way coupler which comprises a driving end outer gear sleeve, a driving end inner gear ring, a driven end outer gear sleeve and a driven end inner gear ring, wherein the driving end inner gear ring is connected with the driven end inner gear ring through a fastener, the outer gear sleeve is connected with the inner gear ring through a gear pair, the cold rolling roller way coupler also comprises a driving end lubricating oil path and a driven end lubricating oil path, the driving end lubricating oil path and the driven end lubricating oil path respectively comprise an oil hole provided with a screw plug and an oil hole provided with an oil cup, and the screw plug and the oil cup are respectively positioned on the left side and the right side of the gear pair.
Furthermore, two oil holes are respectively formed in the outer circles of the driving end inner gear ring and the driven end inner gear ring, the two oil holes are respectively located on the left side and the right side of the gear pair, a screw plug is arranged on one oil hole, and an oil cup is arranged on the other oil hole; the oil hole with the screw plug, the gear pair and the oil hole with the oil cup form a lubricating oil path.
Furthermore, the driving end outer gear sleeve is provided with an L-shaped oil hole, one end of the L-shaped oil hole is opened on the outer end face and is provided with an oil cup, the other end of the L-shaped oil hole is opened on the outer circle and is positioned on the left side of the gear pair, the oil hole is formed in the flange excircle of the driving end inner gear ring and is positioned on the right side of the gear pair, and the oil hole is provided with a screw plug; the driven end outer gear sleeve is provided with an L-shaped oil hole, one end of the L-shaped oil hole is opened on the outer end face and is provided with an oil cup, the other end of the L-shaped oil hole is opened on the outer circle and is positioned on the right side of the gear pair, the oil hole is opened on the flange outer circle of the driven end inner gear ring and is positioned on the left side of the gear pair, and the oil hole is provided with a screw plug; the oil hole with the screw plug, the gear pair and the L-shaped oil hole with the oil cup form a lubricating oil path.
Furthermore, the device also comprises a left check ring and a right check ring; the driving end outer gear sleeve and the driven end outer gear sleeve are both of split structures, the inner part and the outer part are connected through a spline pair, and the inner part and the outer part are axially positioned through the check ring.
The left and right pressing covers are respectively sleeved on the driving end outer gear sleeve and the driven end outer gear sleeve and are tightly pressed on the left and right end surfaces of the inner gear ring through fasteners, and the lip-shaped sealing rings are arranged in sealing grooves of the pressing covers; the outer circle of the inner gear ring is provided with an oil hole, the screw plugs are arranged on the oil hole and positioned in the middle of the left gear pair and the right gear pair, the left gland and the right gland are provided with transverse oil holes, and oil cups are arranged on the transverse oil holes; the oil hole with the screw plug, the gear pair and the transverse oil hole with the oil cup form a lubricating oil path.
Furthermore, the gear parts of the inner gear ring and the outer gear sleeve are provided with nitriding layers, the thickness is 0.35 mm-0.5 mm, and the hardness is more than or equal to 550 HV.
The cold rolling roller way coupling has the advantages that: lubricating oil is supplied to two sides of the gear pair, so that the full lubrication of the tooth part of the gear pair is ensured, the abrasion of the tooth part is reduced, the service life of the coupler is prolonged, and the production cost is reduced; secondly, the split type outer gear sleeve improves the material utilization rate and can be conveniently replaced when the outer gear sleeve is worn; thirdly, the integral inner gear ring does not cause production accidents; the lip-shaped sealing ring is convenient to replace after being damaged; the integral inner gear ring reduces the raw materials of the inner gear ring, improves the utilization rate of the materials and reduces the manufacturing and production cost; and fourthly, the hardness of the tooth surfaces of the inner teeth and the outer teeth is improved, the wear resistance of the tooth parts is improved, and the service life of the coupler is prolonged. In a word, the cold rolling roller way coupling reduces the time and the strength of maintenance and adjustment, improves the working efficiency, greatly prolongs the service life of the coupling, and reduces the manufacturing and production cost.
Drawings
FIG. 1 is a schematic diagram of a first cold rolling roller way coupling structure of the utility model;
FIG. 2 is a schematic diagram of a second cold rolling roller way coupling structure of the utility model;
FIG. 3 is a schematic diagram of a third cold rolling roller way coupling structure of the utility model;
fig. 4 is a schematic diagram of a fourth cold rolling roller way coupling structure of the utility model.
Detailed Description
Example 1
As can be seen from fig. 1, 2, 3 and 4, the cold rolling roller bed coupling comprises a driving end outer gear sleeve 1, a driving end inner gear ring 2, a driven end outer gear sleeve 4 and a driven end inner gear ring 3, wherein the driving end inner gear ring 2 is connected with the driven end inner gear ring 3 through a fastener, the outer gear sleeve is connected with the inner gear ring through a gear pair, the cold rolling roller bed coupling further comprises a driving end lubricating oil path and a driven end lubricating oil path, the driving end lubricating oil path and the driven end lubricating oil path respectively comprise an oil hole provided with a plug screw 9 and an oil hole provided with an oil cup 10, and the plug screw 9 and the oil cup 10 are respectively positioned on the left side and the right side of the gear pair.
According to the cold rolling roller way coupler, the oil hole provided with the screw plug 9 and the oil hole provided with the oil cup 10 are arranged on the left side and the right side of the gear pair, so that a lubricating oil path is formed by the oil hole and the oil hole, lubricating oil is supplied to both sides of the gear pair, the full lubrication of the tooth part of the gear pair is ensured, the abrasion of the tooth part is reduced, the service life of the coupler is prolonged, and the production cost is reduced.
Example 2
As can be seen from fig. 1, the cold rolling roller bed coupling of the present invention: two oil holes are respectively formed in the outer circles of the driving end inner gear ring 2 and the driven end inner gear ring 3, the two oil holes are respectively located on the left side and the right side of the gear pair, a screw plug 9 is arranged on one oil hole, and an oil cup 10 is arranged on the other oil hole; the oil hole with the screw plug 9, the gear pair and the oil hole with the oil cup 10 form a lubricating oil path.
The lubricating oil path is formed by arranging the oil hole provided with the plug screw 9 on the outer circle of the flange of the inner gear ring and arranging the oil hole provided with the oil nozzle 10 on the outer circle of the tool withdrawal groove of the inner gear ring; oil is added to the two sides of the gear pair through the oil holes of the inner gear ring respectively, so that the full lubrication of the tooth part is guaranteed, the coupler works in a sufficient lubricating oil bath, the abrasion of the tooth part is reduced, the service life of the coupler is prolonged, and the production cost is reduced.
Example 3
As can be seen from fig. 2, the cold rolling roller bed coupling of the present invention: the driving end outer gear sleeve 1 is provided with an L-shaped oil hole 5, one end of the L-shaped oil hole is opened on the outer end face and is provided with an oil cup 10, the other end of the L-shaped oil hole is opened on the excircle and is positioned on the left side of the gear pair, the flange excircle of the driving end inner gear ring 2 is provided with an oil hole and is positioned on the right side of the gear pair, and the oil hole is provided with a screw plug 9; the driven end outer gear sleeve 4 is provided with an L-shaped oil hole 5, one end of the L-shaped oil hole is opened on the outer end face and is provided with an oil cup 10, the other end of the L-shaped oil hole is opened on the excircle and is positioned on the right side of the gear pair, the flange excircle of the driven end inner gear ring 3 is provided with an oil hole and is positioned on the left side of the gear pair, and the oil hole is provided with a screw plug 9; the oil hole with the screw plug 9, the gear pair and the L-shaped oil hole 5 with the oil cup 10 form a lubricating oil path.
The oil lubrication oil way is formed by arranging the L-shaped oil hole 5 provided with the oil cup 10 on the outer gear sleeve and arranging the oil hole provided with the oil nozzle 10 at the excircle of the tool withdrawal groove of the inner gear ring; one side of the gear pair is oiled through the oilhole of the inner gear ring, and the other side of the gear pair is oiled through the oil nozzle on the outer gear sleeve, so that the full lubrication of the tooth part is ensured, the coupler works in a sufficient lubricating oil bath, the abrasion of the tooth part is reduced, the service life of the coupler is prolonged, and the production cost is reduced.
Example 4
As can be seen from fig. 3, the cold rolling roller way coupling of the present invention further includes a left retainer ring 11 and a right retainer ring 11; the driving end outer gear sleeve 1 and the driven end outer gear sleeve 4 are both of split structures, the inner part and the outer part are connected through a spline pair 12, and the inner part and the outer part are axially positioned through a check ring 11.
According to the utility model, the outer gear sleeve is designed into a split structure, so that the material utilization rate is improved, and the outer gear sleeve can be conveniently replaced when worn; meanwhile, the oil hole provided with the plug screw 9 is formed in the outer circle of the flange of the inner gear ring, the oil hole provided with the oil nipple 10 is formed in the outer circle of the tool withdrawal groove of the inner gear ring, and the oil hole and the oil nipple form a lubricating oil path, so that the full lubrication of the tooth part is guaranteed, the abrasion of the tooth part is reduced, the service life of the coupler is prolonged, and the production cost is reduced.
Example 5
As can be seen from fig. 4, the cold rolling roller coupling of the present invention further includes a left and a right gland 6, and a left and a right lip-shaped seal rings 7, the driving end inner gear ring 2 and the driven end inner gear ring 3 are an integral body, the left and the right glands 6 are respectively sleeved on the driving end outer gear sleeve 1 and the driven end outer gear sleeve 4 and are pressed on the left and the right end surfaces of the inner gear ring through fasteners, and the lip-shaped seal rings 7 are disposed in the seal grooves of the gland 6; the outer circle of the inner gear ring is provided with an oil hole, the screw plugs 9 are arranged on the oil hole and positioned in the middle of the left and right gear pairs, the left and right press covers 6 are provided with transverse oil holes 8, and the transverse oil holes are provided with oil cups 10; the oil hole with the screw plug 9, the gear pair and the transverse oil hole 8 with the oil cup 10 form a lubricating oil path.
The inner gear ring is designed into an integral type from left to right, so that the split type inner gear ring does not need to be connected through a hinged hole bolt, and production accidents are avoided; when the lip-shaped sealing ring 7 is damaged, the pressing cover 6 can be conveniently replaced only by being detached; meanwhile, the oil hole provided with the screw plug 9 and the transverse oil hole 8 provided with the oil cup 10 are filled with oil from two sides of the gear pair, so that the full lubrication of the tooth part is ensured, the abrasion of the tooth part is reduced, the time and the strength for maintenance and adjustment are reduced, the working efficiency is improved, and the service life of the coupler is prolonged; in addition, the integral inner gear ring reduces the raw materials of the inner gear ring, improves the utilization rate of the materials and reduces the manufacturing and production cost.
Example 6
The utility model relates to a cold rolling roller bed coupling: the gear parts of the inner gear ring and the outer gear sleeve are provided with nitriding layers, the thickness is 0.35 mm-0.5 mm, and the hardness is more than or equal to 550 HV.
The outer gear sleeve and the inner gear ring are formed by integrally forging Cr and Mo alloy steel and then carrying out quenching and tempering nitriding treatment, so that the hardness of the tooth surfaces of the inner gear and the outer gear is improved, the wear resistance of the tooth parts is improved, and the service life of the coupler is prolonged.
In conclusion, the cold rolling roller way coupling has the advantages that: lubricating oil is supplied to two sides of the gear pair, so that the full lubrication of the tooth part of the gear pair is ensured, the abrasion of the tooth part is reduced, the service life of the coupler is prolonged, and the production cost is reduced; secondly, the split type outer gear sleeve improves the material utilization rate and can be conveniently replaced when the outer gear sleeve is worn; thirdly, the integral inner gear ring does not cause production accidents; the lip-shaped sealing ring is convenient to replace after being damaged; the integral inner gear ring reduces the raw materials of the inner gear ring, improves the utilization rate of the materials and reduces the manufacturing and production cost; and fourthly, the hardness of the tooth surfaces of the inner teeth and the outer teeth is improved, the wear resistance of the tooth parts is improved, and the service life of the coupler is prolonged.
In a word, the cold rolling roller way coupling has good lubricating effect and wear resistance, reduces the time and strength of maintenance and adjustment, improves the working efficiency, greatly prolongs the service life of the coupling, and reduces the manufacturing and production cost.
Claims (6)
1. The utility model provides a cold rolling roll table shaft coupling, it includes drive end outer tooth cover (1), drive end ring gear (2), driven end outer tooth cover (4), driven end ring gear (3), drive end ring gear (2) are connected through the fastener with driven end ring gear (3), pass through gear pair between outer tooth cover and the ring gear and connect characterized by: the gear pair further comprises a driving end lubricating oil path and a driven end lubricating oil path, wherein the driving end lubricating oil path and the driven end lubricating oil path respectively comprise an oil hole provided with a plug screw (9) and an oil hole provided with an oil cup (10), and the plug screw (9) and the oil cup (10) are respectively positioned on the left side and the right side of the gear pair.
2. The cold-rolling roller bed coupling of claim 1, wherein: the outer circles of the driving end inner gear ring (2) and the driven end inner gear ring (3) are respectively provided with two oil holes which are respectively positioned at the left side and the right side of the gear pair, one oil hole is provided with a plug screw (9), and the other oil hole is provided with an oil cup (10); the oil hole with the screw plug (9), the gear pair and the oil hole with the oil cup (10) form a lubricating oil path.
3. The cold-rolling roller bed coupling of claim 1, wherein: the driving end outer gear sleeve (1) is provided with an L-shaped oil hole (5), one end of the L-shaped oil hole is opened on the outer end face and is provided with an oil cup (10), the other end of the L-shaped oil hole is opened on the outer circle and is positioned on the left side of the gear pair, the flange outer circle of the driving end inner gear ring (2) is provided with an oil hole and is positioned on the right side of the gear pair, and the oil hole is provided with a screw plug (9); the driven end outer gear sleeve (4) is provided with an L-shaped oil hole (5), one end of the L-shaped oil hole is opened on the outer end face and is provided with an oil cup (10), the other end of the L-shaped oil hole is opened on the excircle and is positioned on the right side of the gear pair, the flange excircle of the driven end inner gear ring (3) is provided with an oil hole and is positioned on the left side of the gear pair, and the oil hole is provided with a screw plug (9); the oil hole with the screw plug (9), the gear pair and the L-shaped oil hole (5) with the oil cup (10) form a lubricating oil path.
4. The cold-rolled roller bed coupling of claim 1, wherein: it also comprises a left check ring and a right check ring (11); the driving end outer gear sleeve (1) and the driven end outer gear sleeve (4) are both of split structures, the inner part and the outer part are connected through a spline pair (12), and the inner part and the outer part are axially positioned through a check ring (11).
5. The cold-rolled roller bed coupling of claim 1, wherein: the novel gear ring sealing device is characterized by further comprising a left pressing cover (6), a right pressing cover (6) and a left lip-shaped sealing ring (7), wherein the driving end inner gear ring (2) and the driven end inner gear ring (3) are integrated, the left pressing cover (6) and the right pressing cover (6) are respectively sleeved on the driving end outer gear sleeve (1) and the driven end outer gear sleeve (4) and are tightly pressed on the left end surface and the right end surface of the inner gear ring through fasteners, and the lip-shaped sealing rings (7) are arranged in sealing grooves of the pressing covers (6); an oil hole is formed in the outer circle of the inner gear ring, a screw plug (9) is arranged on the oil hole and positioned in the middle of the left gear pair and the right gear pair, the left gland (6) and the right gland (6) are provided with transverse oil holes (8), and an oil cup (10) is arranged on the transverse oil holes; the oil hole with the screw plug (9), the gear pair and the transverse oil hole (8) with the oil cup (10) form a lubricating oil path.
6. A cold-rolling roller bed coupling according to any of claims 1 to 5, wherein: the gear parts of the inner gear ring and the outer gear sleeve are provided with nitriding layers, the thickness is 0.35 mm-0.5 mm, and the hardness is more than or equal to 550 HV.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121288284.0U CN216045068U (en) | 2021-06-09 | 2021-06-09 | Cold rolling roller way coupling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121288284.0U CN216045068U (en) | 2021-06-09 | 2021-06-09 | Cold rolling roller way coupling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216045068U true CN216045068U (en) | 2022-03-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121288284.0U Active CN216045068U (en) | 2021-06-09 | 2021-06-09 | Cold rolling roller way coupling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216045068U (en) |
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2021
- 2021-06-09 CN CN202121288284.0U patent/CN216045068U/en active Active
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