CN215908249U - Logarithmic curve type raceway bearing - Google Patents

Abstract

The utility model discloses a logarithmic curve type raceway bearing, which has the technical scheme key points that: the bearing comprises a shell, wherein a main shaft is arranged on the inner circle wall surface of the shell, and a bearing body is fixedly arranged on the outer circle wall surface of the main shaft; the anti-drop subassembly, the anti-drop subassembly sets up the inside of bearing body is used for preventing the inside roller of bearing body drops, cup joints mutually with the main shaft through setting up the shell, can prevent that the main shaft is direct and external contact, reached the effect of the inside part of protection main shaft, can make the main shaft when rotating through setting up the bearing body, the frictional force that produces when lightening the rotation of main shaft, the solid fixed ring of second through setting up installs and can prevent that the inside ball of bearing body from appearing droing in the inside of bearing body, cup joint together and then can carry on spacingly to the inside ball of bearing body through setting up first calorie of hole and first fixed column, it is comparatively serious to prevent that the roller from wearing and tearing each other, lead to the roller to diminish and break away from the roller shelf.

Description

Logarithmic curve type raceway bearing

Technical Field

The utility model relates to the technical field of bearing bodies, in particular to a logarithmic curve type raceway bearing.

Background

The rolling bearing body developed on the basis of the bearing body has the working principle that sliding friction is replaced by rolling friction, and generally, a mechanical base part which is high in universality, standardization and serialization degree and consists of two ferrules, a group of rolling bodies and a retainer is provided.

For example, chinese patent publication No. CN204828283U proposes a high-load long-life bearing body, in which the raceway of the cylindrical roller, the groove rolling surface in the roller groove of the outer ring, and the outer rolling surface of the inner ring are designed to be convex symmetrical smooth logarithmic curves, so that the raceway of the cylindrical roller and the corresponding outer ring and inner ring are worn more uniformly, thereby improving the service life of the bearing body, and the roller frame columns of the cage are uniformly arranged between the end surfaces of the inner rings of the two bottom rings, so that the number of the cylindrical rollers that can be installed between the inner side walls of the two bottom rings can be increased, thereby improving the load-carrying capacity of the bearing body, but in this scheme, because the cage is arranged between the outer ring and the inner ring outside the roller groove, the cylindrical rollers are located between the roller groove of the outer ring and the inner ring, if the rollers are worn more heavily, the rollers become smaller, the roller is easily detached from the roller frame, so that the bearing body cannot be used continuously.

SUMMERY OF THE UTILITY MODEL

In view of the problems mentioned in the background, it is an object of the present invention to provide a logarithmic curve type raceway bearing which solves the problems mentioned in the background.

The technical purpose of the utility model is realized by the following technical scheme:

a logarithmic curve raceway bearing comprising: the bearing comprises a shell, wherein a main shaft is arranged on the inner circle wall surface of the shell, and a bearing body is fixedly sleeved on the outer circle wall surface of the main shaft; the anti-falling assembly is arranged inside the bearing body and used for preventing the roller inside the bearing body from falling off.

Through adopting above-mentioned technical scheme, cup joint mutually through setting up the shell and main shaft, can prevent that the main shaft is direct to contact with the external world, has reached the effect of the inside part of protection main shaft, can make the main shaft when rotating through setting up the bearing body, the frictional force that produces when lightening the rotation of main shaft.

Preferably, the fall-off prevention assembly includes: the bearing comprises a bearing body, and is characterized in that a second fixing ring is fixedly sleeved on the outer circle wall surface of the inner ring of the bearing body, one end of the second fixing ring is provided with a plurality of first clamping holes, the inner circle wall surface of each first clamping hole is fixedly sleeved with a first fixing column, the outer circle wall surface of the inner ring of the bearing body is provided with a third fixing ring, and the third fixing ring is fixedly installed with the first fixing columns.

Through adopting above-mentioned technical scheme, install the phenomenon that can prevent the inside ball of bearing body from coming off through the solid fixed ring of second that sets up in the inside of bearing body, cup joint together and then carry on spacingly to the inside ball of bearing body through setting up first calorie of hole and first fixed column, prevent that the roller from wearing and tearing each other comparatively seriously, lead to the roller to diminish and break away from the roller shelf easily.

Preferably, the bearing body is provided with a dismounting component on the outer circular wall surface for dismounting the bearing body, and the outer circular wall surface of the bearing body is also provided with a shaking prevention component for preventing one end of the main shaft from shaking.

Through adopting above-mentioned technical scheme, when the bearing body appears wearing and tearing seriously and need to be changed, the staff of being convenient for of dismantlement subassembly changes the bearing body, prevents through the setting and rocks the subassembly, can prevent that the one end of main shaft from appearing rocking in the rotation in-process.

Preferably, the detachment assembly comprises: the bearing comprises a bearing body, a first clamping ring, a second clamping ring, a clamping groove, a clamping block and a first clamping ring, wherein the first clamping ring is movably sleeved on the outer circle wall surface of the bearing body, the clamping groove is formed in the outer circle wall surface of the second clamping ring, two second threaded holes are formed in one side of the inside of the clamping groove, the clamping block is movably clamped in the inside of the clamping groove, two first threaded holes are formed in one side of the clamping block, the inner circle wall surface of each first threaded hole is in threaded connection with a screw, the screw penetrates through the first threaded holes and the second threaded holes in threaded connection, a first clamping ring is fixedly installed at one end of the clamping block, and the first clamping ring is movably sleeved on the outer circle wall surface of the bearing body.

Through adopting above-mentioned technical scheme, through the screw that sets up, the staff can rotate the screw, enters into the inside of second screw hole under the effect of screw thread when making the screw rotate to fix first snap ring and second snap ring together.

Preferably, the anti-wobble assembly comprises: first solid fixed ring, first solid fixed ring sets up the excircle wall of bearing body, first solid fixed ring's one end fixed mounting has two second fixed columns, the one end fixed mounting of second fixed column has the fourth fixed column, the excircle wall fixed mounting of main shaft has the solid fixed ring of fourth, the solid fixed ring's of fourth one end fixed mounting has two third fixed columns, second calorie of hole has been seted up to third fixed column one end, the excircle wall of fourth fixed column with second calorie of hole activity cup joints.

Through adopting above-mentioned technical scheme, cup joint the inside at the third fixed column through the fourth fixed column that sets up, and then make second fixed column and third fixed column can link together, cup joint through the activity of the second fixed column that sets up and third fixed column and can make the solid fixed ring of fourth be connected with first solid fixed ring, be connected with first solid fixed ring through setting up the solid fixed ring of fourth, and then make the main shaft with the solid fixed ring fixed mounting of fourth and the bearing body that first solid fixed ring cup jointed rotate more stably, prevent that the main shaft from appearing rocking easily.

Preferably, one end of the second fixing ring is provided with a feed hole, and the inner circular wall surface of the feed hole is fixedly sleeved with a feed pipe.

Through adopting above-mentioned technical scheme, through the inlet pipe that sets up, the staff inlet pipe can be to the inside lubricant that adds of bearing body to reduce the wearing and tearing between the roller, improved the life of bearing body.

In summary, the utility model mainly has the following beneficial effects:

the casing is sleeved with the main shaft, so that the main shaft can be prevented from directly contacting with the outside, the effect of protecting parts in the main shaft is achieved, the friction force generated when the main shaft rotates can be reduced by arranging the bearing body, the second fixing ring is arranged in the bearing body to prevent the balls in the bearing body from falling off, the first clamping hole is arranged to be sleeved with the first fixing column, thereby limiting the ball inside the bearing body and preventing the rollers from being seriously abraded to cause the rollers to be small and easily separated from the roller frame, through the arranged screws, workers can rotate the screws to enable the screws to enter the second threaded holes under the action of the threads when the screws are rotated, thereby fix first snap ring and second snap ring together, be convenient for fix the bearing body through fixing first snap ring and second snap ring.

When the bearing body is seriously worn and needs to be replaced, a worker can disassemble the screw to separate the first snap ring and the second snap ring, so that the worker can conveniently replace the bearing body, the fourth fixing column is sleeved in the third fixing column, thereby the second fixing column and the third fixing column can be movably sleeved, the fourth fixing ring can be connected with the first fixing ring through the movable sleeve joint of the second fixing column and the third fixing column, the fourth fixing ring is connected with the first fixing ring through the arrangement of the fourth fixing ring, thereby leading the bearing body which is fixedly arranged with the fourth fixed ring and is sleeved with the first fixed ring to rotate more stably, preventing the main shaft from shaking easily, through the inlet pipe that sets up, the staff can be to the inside lubricant that adds of bearing body through the inlet pipe to reduce the wearing and tearing between the roller, improved the life of bearing body.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic view of a first fixed ring structure of the present invention;

FIG. 3 is a schematic view of a second fixed ring structure of the present invention;

FIG. 4 is a schematic structural diagram of a clamping block of the present invention;

fig. 5 is a schematic view of a second fixing pillar structure according to the present invention.

Reference numerals: 1. a housing; 2. a main shaft; 3. a bearing body; 4. a first snap ring; 5. a second snap ring; 6. a first retaining ring; 7. a second retaining ring; 8. a first card hole; 9. a first fixed column; 10. a third fixing ring; 11. a clamping block; 12. a first threaded hole; 13. a screw; 14. a card slot; 15. a second threaded hole; 16. a fourth retaining ring; 17. a second fixed column; 18. a third fixing column; 19. a fourth fixed column; 20. a second card hole; 21. a feed port; 22. and (4) feeding a pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1, 2 and 3, a logarithmic curve type raceway bearing includes a housing 1, a main shaft 2 is disposed on an inner circular wall surface of the housing 1, a bearing body 3 is fixedly sleeved on an outer circular wall surface of the main shaft 2, an anti-drop component is disposed inside the bearing body 3 for preventing a roller inside the bearing body 3 from dropping off, the main shaft 2 can be prevented from directly contacting the outside by disposing the housing 1 to be sleeved with the main shaft 2, an effect of protecting parts inside the main shaft 2 is achieved, the main shaft 2 can reduce friction generated when the main shaft 2 rotates by disposing the bearing body 3, the anti-drop component includes a second fixing ring 7, the second fixing ring 7 is fixedly sleeved on the inner circular wall surface of the bearing body 3, a plurality of first locking holes 8 are formed at one end of the second fixing ring 7, and a first fixing column 9 is fixedly sleeved on the inner circular wall surface of the first locking holes 8, the outer circle wall surface of the inner ring of the bearing body 3 is provided with a third fixing ring 10, the third fixing ring 10 is fixedly installed with a first fixing column 9, the second fixing ring 7 which is arranged is installed in the bearing body 3, the phenomenon that the ball inside the bearing body 3 is shaken off can be prevented, the first clamping hole 8 can be sleeved together with the first fixing column 9 to limit the ball inside the bearing body 3, the rollers are prevented from being abraded seriously each other, and the rollers are enabled to be reduced and separated from the roller frame.

Referring to fig. 2, 3 and 4, a dismounting assembly is fixedly mounted on the outer circumferential wall of the bearing body 3 for dismounting the bearing body 3, an anti-shaking assembly is further disposed on the outer circumferential wall of the bearing body 3 for preventing one end of the spindle 2 from shaking, the dismounting assembly includes a second snap ring 5, the second snap ring 5 is movably sleeved on the outer circumferential wall of the bearing body 3, a clamping groove 14 is formed on the outer circumferential wall of the second snap ring 5, two second threaded holes 15 are formed on one side inside the clamping groove 14, a clamping block 11 is movably clamped inside the clamping groove 14, two first threaded holes 12 are formed on one side of the clamping block 11, a screw 13 is connected to the inner circumferential wall of the first threaded hole 12 through the first threaded hole 12, the screw 13 is connected to the second threaded hole 15 through the first threaded hole 12, the first snap ring 4 is fixedly mounted at one end of the clamping block 11, the first snap ring 4 is movably sleeved on the outer circumferential wall of the bearing body 3, through the screw 13 that sets up, the staff can rotate screw 13, enters into the inside of second screw hole 15 under the effect of screw thread when making screw 13 rotate to fix first snap ring 4 and second snap ring 5 together, be convenient for fix bearing body 3 through fixing first snap ring 4 and second snap ring 5.

Referring to fig. 2, 3 and 5, the anti-shaking assembly includes a first fixing ring 6, the first fixing ring 6 is disposed on the outer circumferential wall of the bearing body 3, two second fixing posts 17 are both fixedly mounted at one end of the first fixing ring 6, one end of each second fixing post 17 is fixedly mounted with a fourth fixing post 19, the outer circumferential wall of the main shaft 2 is fixedly mounted with a fourth fixing ring 16, one end of each fourth fixing ring 16 is fixedly mounted with two third fixing posts 18, one end of each third fixing post 18 is provided with a second locking hole 20, the outer circumferential wall of each fourth fixing post 19 is movably sleeved with the second locking hole 20, the fourth fixing ring 16 is sleeved inside the third fixing post 18 through the fourth fixing post 19, so that the second fixing post 17 and the third fixing post 18 can be connected together, the fourth fixing ring 16 can be connected with the first fixing ring 6 through the movable sleeved of the second fixing post 17 and the third fixing post 18, through setting up the solid fixed ring of fourth 16 and being connected with first solid fixed ring 6, and then can make the main shaft 2 with the solid fixed ring of fourth 16 fixed mounting and the bearing body 3 that first solid fixed ring 6 cup jointed rotate more stably, prevent that main shaft 2 from appearing rocking easily, the feed port 21 has been seted up to the one end of the solid fixed ring of second 7, the fixed inlet pipe 22 that has cup jointed of interior circle wall of feed port 21.

The working principle is as follows: referring to fig. 1-5, the housing 1 is sleeved with the main shaft 2 to prevent the main shaft 2 from directly contacting with the outside, so as to protect the internal parts of the main shaft 2, the bearing body 3 is arranged to reduce the friction generated when the main shaft 2 rotates, the second fixing ring 7 is arranged inside the bearing body 3 to prevent the balls inside the bearing body 3 from falling off, the first locking hole 8 is sleeved with the first fixing post 9 to limit the balls inside the bearing body 3, so as to prevent the rollers from being worn seriously, so that the rollers are reduced and easily separated from the roller frame, and the screw 13 is arranged to enable the worker to rotate the screw 13 to enter the inside of the second threaded hole 15 under the action of the thread when the screw 13 rotates, thereby fixing the first snap ring 4 and the second snap ring 5 together, and fixing the bearing body 3 by fixing the first snap ring 4 and the second snap ring 5.

When the bearing body 3 is seriously worn and needs to be replaced, a worker can disassemble the screw 13 to separate the first snap ring 4 from the second snap ring 5, so that the worker can conveniently replace the bearing body 3, the fourth fixing column 19 is sleeved inside the third fixing column 18, so that the second fixing column 17 and the third fixing column 18 can be movably sleeved, the fourth fixing ring 16 is connected with the first fixing ring 6 through the movable sleeve of the second fixing column 17 and the third fixing column 18, the fourth fixing ring 16 is connected with the first fixing ring 6 through the fourth fixing ring 16, so that the bearing body 3 sleeved with the main shaft 2 fixedly installed on the fourth fixing ring 16 and the first fixing ring 6 can rotate more stably, the main shaft 2 is prevented from shaking easily, and the worker can add a lubricant into the bearing body 3 through the feeding pipe 22, thereby reducing wear between the rollers and improving the service life of the bearing body 3.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. A logarithmic curve raceway bearing, comprising:

the bearing comprises a shell (1), wherein a main shaft (2) is arranged on the inner circle wall surface of the shell (1), and a bearing body (3) is fixedly sleeved on the outer circle wall surface of the main shaft (2);

the anti-falling assembly is arranged inside the bearing body (3) and used for preventing the roller inside the bearing body (3) from falling off.

2. A logarithmic curve raceway bearing according to claim 1, wherein the drop-off prevention member comprises:

the bearing comprises a bearing body (3), wherein a second fixing ring (7) is fixedly sleeved on the outer circle wall surface of the inner ring of the bearing body (3), one end of the second fixing ring (7) is provided with a plurality of first clamping holes (8), the inner circle wall surface of each first clamping hole (8) is fixedly sleeved with a first fixing column (9), the outer circle wall surface of the inner ring of the bearing body (3) is provided with a third fixing ring (10), and the third fixing ring (10) is fixedly installed with the first fixing column (9).

3. A logarithmic curve raceway bearing according to claim 2, characterized in that: the outer circle wall surface of the bearing body (3) is provided with a dismounting assembly used for dismounting the bearing body (3), the outer circle wall surface of the bearing body (3) is further provided with an anti-shaking assembly used for preventing one end of the main shaft (2) from shaking.

4. A logarithmic curve raceway bearing according to claim 3, characterized in that the dismounting member comprises:

second snap ring (5), second snap ring (5) activity cup joints the excircle wall of bearing body (3), draw-in groove (14) have been seted up to the excircle wall of second snap ring (5), two second screw holes (15) have been seted up to inside one side of draw-in groove (14), the inside activity joint of draw-in groove (14) has joint piece (11), two first screw holes (12) have been seted up to one side of joint piece (11), the interior circle wall threaded connection of first screw hole (12) has screw (13), screw (13) pass first screw hole (12) with second screw hole (15) threaded connection, the one end fixed mounting of joint piece (11) has first snap ring (4), first snap ring (4) with the excircle wall activity of bearing body (3) cup joints.

5. A logarithmic curve raceway bearing according to claim 3, characterized in that the anti-wobble assembly comprises:

first solid fixed ring (6), first solid fixed ring (6) set up the excircle wall of bearing body (3), the one end fixed mounting of first solid fixed ring (6) has two second fixed columns (17), the one end fixed mounting of second fixed column (17) has fourth fixed column (19), the excircle wall fixed mounting of main shaft (2) has the solid fixed ring of fourth (16), the one end fixed mounting of the solid fixed ring of fourth (16) has two third fixed columns (18), second calorie of hole (20) have been seted up to third fixed column (18) one end, the excircle wall of fourth fixed column (19) with second calorie of hole (20) movable sleeve joint.

6. A logarithmic curve raceway bearing according to claim 5, characterized in that: a feeding hole (21) is formed in one end of the second fixing ring (7), and a feeding pipe (22) is fixedly sleeved on the inner circle wall surface of the feeding hole (21).

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