CN218031067U - Thrust bearing convenient to install - Google Patents
Thrust bearing convenient to install Download PDFInfo
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- CN218031067U CN218031067U CN202221938682.7U CN202221938682U CN218031067U CN 218031067 U CN218031067 U CN 218031067U CN 202221938682 U CN202221938682 U CN 202221938682U CN 218031067 U CN218031067 U CN 218031067U
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- thrust
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Abstract
The utility model provides a footstep bearing convenient to installation mainly solves the footstep bearing structure that exists among the prior art and is more complicated relatively, and is higher to the processing requirement of bearing spare part, installs comparatively inconvenient problem. The bearing comprises a bearing ring and a bearing body which are coaxially arranged; an annular plate, a first cavity and a second cavity are arranged inside the bearing ring; a plurality of first weights are arranged in the first cavity along the circumferential direction; a plurality of connecting grooves are formed in the circumferential direction on the end face of the annular plate, and second balancing blocks are arranged in the connecting grooves; the second balancing weight and the first balancing weight are fixed on the bearing ring through fasteners; the bearing ring is provided with a plurality of oil inlet channels, oil inlets of the oil inlet channels are formed in the peripheral surface of the bearing ring, oil outlets of the oil inlet channels are formed in the end surface, close to the second cavity, of the annular plate, and oil spray nozzles are connected to the oil outlets of the oil inlet channels; thrust pads are arranged among the oil nozzles and are clamped with the adjacent oil nozzles.
Description
Technical Field
The utility model relates to a footstep bearing, concretely relates to footstep bearing convenient to installation.
Background
The existing thrust bearing is generally composed of a bearing body, a thrust collar, a plurality of thrust pads, an upper balance block, a lower balance block, an oil nozzle, an adjusting ring, a pin and the like, and can be used for balancing the axial force transmitted by a rotor.
However, the existing thrust bearing structure is relatively complex, the processing requirement to bearing spare part is higher, and it is comparatively inconvenient to install.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problems that the structure of the thrust bearing existing in the prior art is relatively complex, the thrust bearing has the problems of higher processing requirement on bearing parts and inconvenient installation, and provides the thrust bearing convenient to install.
In order to achieve the above purpose, the utility model adopts the technical scheme that:
the thrust bearing convenient to install is characterized in that: the bearing comprises a bearing ring and a bearing body which are coaxially arranged;
the bearing ring and the bearing body are detachably connected;
an annular plate, a first cavity and a second cavity are arranged inside the bearing ring, and the first cavity and the second cavity are respectively arranged on two sides of the annular plate along the axial direction;
a plurality of first weights are arranged in the first cavity along the circumferential direction, and one side of each first weight is abutted against the end face of the bearing body;
the end surface of the annular plate is circumferentially provided with a plurality of connecting grooves, second balancing blocks are arranged in the connecting grooves, the first balancing blocks and the second balancing blocks are circumferentially arranged at intervals, and two ends of one side of each second balancing block are respectively lapped with the other sides of two adjacent first balancing blocks;
the second balance weight and the first balance weight are fixed on the bearing ring through fasteners;
the bearing ring is provided with a plurality of oil inlet channels, oil inlets of the oil inlet channels are formed in the outer peripheral surface of the bearing ring, sealing elements are arranged at the oil inlets, oil outlets of the oil inlet channels are formed in the end face, close to the second cavity, of the annular plate, oil spray nozzles are connected to the oil outlets of the oil inlet channels, when the main shaft rotates, an oil film can be formed through lubricating oil sprayed out of the oil spray nozzles, and the oil spray nozzles and the second balance block are arranged at intervals in the circumferential direction;
and thrust pads are arranged between the oil nozzles, are used for being arranged between the outer peripheral surfaces of the bearing ring and the main shaft and are abutted against the outer side wall of the main shaft, one side of each thrust pad is abutted against the other side of the second balance block, the other side of each thrust pad is abutted against the end face of the thrust disc, and the thrust pads are clamped with the adjacent oil nozzles and used for circumferential positioning of the thrust pads.
Furthermore, a first boss and a second boss are sequentially arranged on one side, away from the bearing body, of the outer peripheral surface of the bearing ring, and the diameter of the first boss is smaller than that of the second boss;
an oil inlet of the oil inlet channel is arranged on the peripheral surface of the first boss;
and a plurality of adjusting assemblies are arranged on the end face, close to the bearing body, of the second boss along the circumferential direction and used for adjusting the axial position of the bearing ring so as to make up for installation errors, process errors and the like.
Further, the adjusting assembly comprises a screw, an adjusting ring and a plurality of adjusting gaskets distributed along the circumferential direction of the screw;
one side of each adjusting gasket is fixedly connected to the end face of the second boss, the other side of each adjusting gasket is abutted against the adjusting ring, and the thickness of each adjusting gasket is gradually increased along the circumferential direction, so that each adjusting gasket can be always kept in contact with the adjusting ring and is used for preventing the adjusting ring from rotating;
the adjusting ring is of a fan-shaped structure and is fixedly connected to one end of the screw, the fan-shaped ring surface of the adjusting ring is located on the peripheral side of the screw, and the screw is in threaded connection with the bearing ring.
Furthermore, bearing ring and bearing body pass through the cooperation of first tang structure to through bolted connection, can realize the accurate snap-fit of bearing ring and bearing body through first tang structure, so that bolted connection for connect the installation rate.
Further, the first seam allowance structure comprises a male seam allowance and a female seam allowance;
the male spigot sets up the terminal surface edge that is close to the bearing body at the bearing ring, the concave spigot sets up the terminal surface edge that is close to the bearing ring at the bearing body, cooperatees through male spigot and concave spigot and forms location structure.
Further, the inner side of the first balancing block is matched with the bearing ring through a second spigot structure.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses in through setting up footstep bearing into bearing body and bearing ring, when the bearing assembly, can directly put into the bearing ring with the first balancing piece that sets up, place the second balancing piece in the spread groove again, install the thrust tile fragment to the bearing ring again at last, can be as an organic whole with bearing body and bearing ring through the first tang structure and the bolt that set up, simple structure is compact, has reduced the processing degree of difficulty, easily installs.
Drawings
FIG. 1 is a schematic structural view of an embodiment of a thrust bearing of the present invention that is easy to install;
fig. 2 is a schematic structural view of a first weight, a second weight and a thrust pad in an embodiment of a thrust bearing of the present invention for easy installation; (the direction of the arrow in FIG. 2 is the bearing circumference direction)
Fig. 3 is a schematic view of the structure of the annular plate and the connecting groove in the thrust bearing embodiment of the present invention for easy installation.
In the drawings, 1-bearing body; 2-a bearing ring, 21-a first balance block, 22-a second balance block, 23-an oil nozzle, 24-an oil inlet channel and 25-a thrust shoe block; 3-adjusting component, 31-adjusting ring, 32-adjusting gasket, 33-screw, 4-plug, 5-bolt, 6-annular plate, 7-connecting groove, 8-fastening piece, 9-main shaft and 10-thrust plate.
Detailed Description
To make the objects, advantages and features of the present invention clearer, a thrust bearing convenient to install according to the present invention will be described in detail with reference to the accompanying drawings and specific embodiments. The advantages and features of the present invention will become more apparent from the following detailed description.
As shown in fig. 1-3, the utility model relates to a thrust bearing convenient to installation, bearing ring 2 and bearing body 1 including coaxial setting, bearing body 1 one side is kept away from to the outer peripheral face of bearing ring 2 is provided with first boss and second boss, and the external diameter of first boss is less than the external diameter of second boss, and the terminal surface that bearing body 1 was kept away from to the second boss and bearing ring 2 keep away from the terminal surface parallel and level setting of bearing body 1, and bearing ring 2 one side is kept away from to the outer peripheral face of bearing body 1 is provided with annular boss.
The bearing ring 2 and the bearing body 1 are detachably connected; specifically, in the present embodiment, the bearing ring 2 and the bearing body 1 are matched through a first spigot structure, and are connected through a plurality of bolts 5 uniformly distributed along the circumferential direction, and the first spigot structure includes a male spigot and a female spigot; the male spigot is arranged at the edge of the end face of the bearing ring 2 close to the bearing body 1, the female spigot is arranged at the edge of the end face of the bearing body 1 close to the bearing ring 2, and a positioning structure is formed by matching the male spigot and the female spigot, so that the bearing ring 2 and the bearing body 1 are quickly positioned, connected and matched; it should be noted that the connection mode of the bearing ring 2 and the bearing body 1 in this embodiment is only a preferred embodiment, and those skilled in the art can also use other detachable modes to implement.
The bearing ring 2 is internally provided with an annular plate 6, a first cavity and a second cavity, the first cavity and the second cavity are respectively arranged on two sides of the annular plate 6 along the axial direction, the first cavity and the second cavity are both cylindrical cavities, the first cavity and the second cavity are coaxially arranged, and the outer diameter of the second cavity is larger than that of the first cavity, so that the installation requirements of the first balance block 21 and the thrust pad 25 which will be described in detail below can be met respectively.
Be close to bearing body 1 one side and evenly be provided with a plurality of first weights 21 along circumference in the first cavity, first weight 21 one side and the terminal surface butt of bearing body 1, through the cooperation of second tang structure between the inboard of first weight 21 and the bearing ring 2, be provided with the fastener 8 that is used for fixed first weight 21 on the outer peripheral face of bearing ring 2, fastener 8 is connected with first weight 21's the outside, make first weight 21 stable connection inside bearing ring 2 through the connection effect of the inside and outside both sides of first weight 21.
The annular plate 6 is uniformly provided with a plurality of connecting grooves 7 along the circumferential direction, as shown in fig. 3, the connecting grooves 7 are fan-shaped grooves, second weights 22 matched with the connecting grooves 7 in shape are respectively placed in the connecting grooves 7, so that the side walls of the second weights 22 can be attached to the inner walls of the connecting grooves 7, the circumferential limiting effect on the second weights 22 is achieved, the first weights 21 and the second weights 22 are circumferentially arranged at intervals, two ends, close to one side of the bearing body 1, of the second weights 22 are respectively lapped with two adjacent first weights 21, and the two first weights 21 are symmetrically arranged about the second weights 22 which are commonly connected with the two first weights 21; a plurality of fasteners 8 for fixing the second weight 22 are uniformly arranged on the outer peripheral surface of the first boss along the circumferential direction, and the fasteners 8 are connected with the second weight 22 and used for fixing the second weight 22; wherein the fastener 8 is a screw; it should be noted that the connection and fixing manner of the first weight 21 and the second weight 22 in this embodiment is only a preferred embodiment, and those skilled in the art may also fix the first weight 21 and the second weight 22 by other existing techniques.
A plurality of oil inlet channels 24 are formed in the bearing ring 2, oil inlets of the oil inlet channels 24 are arranged on the outer peripheral surface of the first boss, oil outlets are arranged on the end surface, close to the second cavity, of the annular plate 6, the oil inlet channels 24 are communicated with input ports of the oil nozzles 23, sealing parts are arranged at the oil inlets of the oil inlet channels 24, the sealing parts 4 are screwed plugs and used for preventing added lubricating oil from flowing out, a plurality of oil nozzles 23 are uniformly arranged in the bearing ring 2 along the circumferential direction, internal threads are arranged at the oil outlets of the oil inlet channels 24, external threads are arranged on the oil nozzles 23, the oil nozzles 23 are connected to the annular plate 6 through threads, any oil nozzle 23 is arranged between two adjacent second balance blocks 22, the oil nozzles 23 are communicated with the oil inlet channels 24, the oil nozzles 23 and the thrust pads 25 are axially arranged at intervals, and the thrust pads 25 are used for being arranged between the inner side wall of the bearing ring 2 and the outer side wall of the main shaft 9, and is abutted against the outer side wall of the main shaft 9, one side of the thrust shoe 25 is abutted against the second balance block 22, the other side of the thrust shoe 25 is abutted against the end face of the thrust disc 10, and the thrust shoe 25 is provided with a clamping groove which is a stepped groove in the embodiment, the outer circle of the oil spray nozzle 23 is clamped with the adjacent thrust shoe 25 through the clamping groove and is used for circumferential positioning of the thrust shoe 25, the thrust shoe 25 is of a fan-shaped structure, the bearing ring 2 is adapted to the circumferential surface of the main shaft to achieve the purpose of fitting, the axial thickness of the thrust shoe 25 is greater than the axial length of the second chamber, the oil spray nozzle 23 is arranged within the axial size range of the thrust shoe 25 and can be used for meeting the requirement of fitting the thrust disc 10, when the main shaft rotates, an oil film can be formed between the inner side of the thrust shoe 25 and the circumferential surface of the main shaft 9 through the lubricating oil spray nozzle 23 to play a role of lubrication, the thrust shoes 25 are prevented from directly rubbing against the spindle 9.
In order to facilitate the adjustment of the axial position of the thrust bearing, a plurality of adjusting components 3 are uniformly arranged on the end surface, close to the bearing body 1, of the second boss along the circumferential direction; comprises a screw 33, an adjusting ring 31 and a plurality of adjusting shims 32 distributed along the circumferential direction of the screw, wherein the adjusting shims 32 are fan-shaped shims, one sides of the adjusting shims 32 are fixedly connected with the end surface of the second boss, the other sides of the adjusting shims are abutted against the adjusting ring 31, the thickness of the adjusting shims 32 is gradually increased along the circumferential direction, when the adjusting ring 31 rotates, the adjusting shims can be always in contact with the adjusting ring 31, the number of the adjusting washers 32 and the difference between the minimum thickness and the maximum thickness can be designed according to specific situations for preventing the adjusting ring 31 from rotating, the adjusting ring 31 is of a fan-shaped structure and is fixedly connected to one end of the screw 33, the fan-shaped ring surface of the adjusting ring 31 is located on the peripheral side of the screw 33, and the screw 33 is screwed on the bearing ring 2.
During the installation, at first pack first balancing piece 21 into first cavity in, fix first balancing piece 21 through the screw rod, pack second balancing piece 22 into spread groove 7 again in, fix second balancing piece 22 through the screw rod, pack thrust tile 25 into the second cavity again in, install fuel sprayer 23 to bearing ring 2 through threaded connection at last, through the ladder groove joint on fuel sprayer 23 excircle and the thrust tile 25, carry out axial positioning to thrust tile 25, at last with bearing ring 2 and bearing body 1 through first tang structure snap-fit, rethread bolt 5 links as an organic wholely, can accomplish thrust bearing's installation.
Claims (6)
1. A thrust bearing convenient to installation which characterized in that: comprises a bearing ring (2) and a bearing body (1) which are coaxially arranged;
the bearing ring (2) is detachably connected with the bearing body (1);
an annular plate (6), a first cavity and a second cavity are arranged inside the bearing ring (2), and the first cavity and the second cavity are respectively arranged on two sides of the annular plate (6) along the axial direction;
a plurality of first weights (21) are arranged in the first cavity along the circumferential direction, and one side of each first weight (21) is abutted against the end face of the bearing body (1);
the end face of the annular plate (6) is circumferentially provided with a plurality of connecting grooves (7), second balancing blocks (22) matched with the connecting grooves in shape are arranged in the connecting grooves (7), the first balancing blocks (21) and the second balancing blocks (22) are circumferentially arranged at intervals, and two ends of one side of each second balancing block (22) are respectively lapped with the other sides of two adjacent first balancing blocks (21);
the second counterweight (22) and the first counterweight (21) are fixed on the bearing ring (2) through fasteners (8);
the bearing ring (2) is provided with a plurality of oil inlet channels (24), oil inlets of the oil inlet channels (24) are formed in the peripheral surface of the bearing ring (2), sealing elements (4) are arranged at the oil inlets, oil outlets of the oil inlet channels (24) are formed in the end surface, close to the second cavity, of the annular plate (6), oil nozzles (23) are connected to the oil outlets of the oil inlet channels (24), and the oil nozzles (23) and the second balance block (22) are arranged at intervals in the circumferential direction;
a plurality of all be provided with thrust tile (25) between fuel sprayer (23), thrust tile (25) are used for setting up between the lateral wall of the inside wall of bearing ring (2) and main shaft (9), and with the lateral wall looks butt of main shaft (9), one side and the second balancing piece (22) opposite side butt of thrust tile (25), thrust tile (25) opposite side be used for with the terminal surface butt of thrust dish (10), just thrust tile (25) and adjacent fuel sprayer (23) joint for the circumferential direction location of thrust tile (25).
2. An easily installable thrust bearing according to claim 1, wherein: a first boss and a second boss are sequentially arranged on one side, away from the bearing body (1), of the outer peripheral surface of the bearing ring (2), and the diameter of the first boss is smaller than that of the second boss;
an oil inlet of the oil inlet channel (24) is arranged on the peripheral surface of the first boss;
and a plurality of adjusting assemblies (3) are arranged on the end face, close to the bearing body (1), of the second boss along the circumferential direction and are used for adjusting the axial position of the bearing ring (2).
3. An easily installable thrust bearing according to claim 2, wherein: the adjusting assembly (3) comprises a screw (33), an adjusting ring (31) and a plurality of adjusting gaskets (32) distributed along the circumferential direction of the screw;
one side of each adjusting shim (32) is fixedly connected to the end face of the second boss, the other side of each adjusting shim is abutted against the adjusting ring (31), and the thickness of each adjusting shim (32) is gradually increased along the circumferential direction;
the adjusting ring (31) is of a fan-shaped structure and is fixedly connected to one end of the screw (33), the fan-shaped ring surface of the adjusting ring (31) is located on the peripheral side of the screw (33), and the screw (33) is connected to the bearing ring (2) in a threaded mode.
4. An easily installable thrust bearing according to any one of claims 1 to 3, wherein:
the bearing ring (2) is matched with the bearing body (1) through a first spigot structure and is connected through a bolt (5).
5. An easily installable thrust bearing according to claim 4, wherein: the first spigot structure comprises a male spigot and a female spigot;
the male spigot is arranged at the edge of the end face of the bearing ring (2) close to the bearing body (1), the female spigot is arranged at the edge of the end face of the bearing body (1) close to the bearing ring (2), and a positioning structure is formed by matching the male spigot and the female spigot.
6. An easily installable thrust bearing according to claim 5, wherein: the inner side of the first balancing block (21) is matched with the bearing ring (2) through a second spigot structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221938682.7U CN218031067U (en) | 2022-07-26 | 2022-07-26 | Thrust bearing convenient to install |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221938682.7U CN218031067U (en) | 2022-07-26 | 2022-07-26 | Thrust bearing convenient to install |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218031067U true CN218031067U (en) | 2022-12-13 |
Family
ID=84386570
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221938682.7U Active CN218031067U (en) | 2022-07-26 | 2022-07-26 | Thrust bearing convenient to install |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218031067U (en) |
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2022
- 2022-07-26 CN CN202221938682.7U patent/CN218031067U/en active Active
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