CN213235831U - Cooling bearing bush - Google Patents
Cooling bearing bush Download PDFInfo
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- CN213235831U CN213235831U CN202021760575.0U CN202021760575U CN213235831U CN 213235831 U CN213235831 U CN 213235831U CN 202021760575 U CN202021760575 U CN 202021760575U CN 213235831 U CN213235831 U CN 213235831U
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- tile body
- lower half
- half tile
- hole
- sealing plate
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Abstract
The utility model relates to the field of bearing cooling, and discloses a cooling bearing bush, which comprises an upper half bush body and a lower half bush body, wherein a plurality of through holes are axially formed in the end wall of the lower half bush body, a plurality of oval hole grooves are respectively processed on the end walls at two sides of the lower half bush body, one oval hole groove is communicated with two adjacent through holes, the end walls at two sides of the lower half bush body are respectively and fixedly connected with an annular sealing plate, and the annular sealing plates are fixedly connected with the end wall of the upper half bush body; the through hole, the oval hole groove and the annular sealing plate form an S-shaped cooling channel, a water inlet hole and a water outlet hole are radially formed in the outer peripheral wall of the lower half tile body, the water inlet hole is communicated with one end of the cooling channel, and the water outlet hole is communicated with the other end of the cooling channel. The utility model discloses in, cooling channel sets up in the inside of the half tile body down, and is closer apart from the friction surface of axle journal and axle bush, and the cooling effect is better to, the bearing capacity of axle bush is strengthened to the annular seal board can also regard as the bearing piece.
Description
Technical Field
The utility model relates to a bearing cooling field, concretely relates to cooling axle bush.
Background
The bearing bush is the part of the sliding bearing contacted with the shaft neck, is in the shape of a tile-shaped semi-cylindrical surface, is very smooth and is generally made of wear-resistant materials such as bronze, antifriction alloy and the like. When the sliding bearing works, friction occurs between the bearing bush and the journal, and although the bearing bush is made of special high-temperature-resistant materials, the high temperature generated by the friction can burn the bearing bush, so that the problem of bush burning is caused.
In order to avoid the bearing bush burning, cooling water is used for cooling the bearing bush, specifically, an arc-shaped sealing plate is welded on the periphery of the bearing bush to form a closed water chamber, and cooling water is introduced into the water chamber to circulate to cool the surface of the bearing bush so as to reduce the high-temperature heat generated in the running process of the bearing bush. However, in this cooling method, the cooling water contacts the outer circumferential wall of the pad, and the distance from the friction surface of the pad (inner circumferential wall of the pad) is large, and the cooling effect is poor.
SUMMERY OF THE UTILITY MODEL
The utility model provides a cooling bearing bush to solve the poor problem of cooling effect of current bearing bush.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a cooling bearing bush comprises an upper half bush body and a lower half bush body, wherein a plurality of through holes are formed in the end wall of the lower half bush body along the axial direction, a plurality of oval hole grooves are formed in the end walls of the two sides of the lower half bush body, one oval hole groove is communicated with two adjacent through holes, annular sealing plates are fixedly connected to the end walls of the two sides of the lower half bush body, and the annular sealing plates are fixedly connected with the end wall of the upper half bush body; the through hole, the oval hole groove and the annular sealing plate form an S-shaped cooling channel, a water inlet hole and a water outlet hole are radially formed in the outer peripheral wall of the lower half tile body, the water inlet hole is communicated with one end of the cooling channel, and the water outlet hole is communicated with the other end of the cooling channel.
The principle and the advantages of the scheme are as follows: in practical application, cooling water is introduced into the cooling channel through the water inlet hole, flows in the S-shaped cooling channel, takes away high-temperature heat of the lower half tile body, and finally leaves the cooling channel from the water outlet hole. In-process, because cooling channel sets up in the inside of half tile body down, compare in prior art at the periphery wall welding arc shrouding of axle bush and form inclosed hydroecium cooling axle bush, in this scheme, cooling channel is closer apart from the friction surface of half tile body down, and the cooling effect is better, can avoid the problem of "burning tile" better.
In addition, in the scheme, the annular sealing plate can seal the oval hole groove and the through hole, so that the inside of the lower half tile body forms a sealed S-shaped cooling channel, the annular sealing plate can also serve as a bearing part to share the force applied to the lower half tile body and the upper half tile body, the stress stability of the bearing bush is improved, and the bearing capacity of the bearing bush is enhanced.
Preferably, as an improvement, the outer peripheral wall of the lower tile body is radially provided with temperature measuring holes.
In the scheme, the lower half tile body is provided with the radial temperature measuring holes, so that the temperature measuring elements are mounted in the temperature measuring holes, the temperature of the bearing bush is monitored in the running process of the sliding bearing, and the temperature measuring points of the temperature measuring elements are closer to the babbitt metal on the inner side wall of the lower half tile body as far as possible.
Preferably, as a modification, the temperature measuring hole is located at the center of the bottom end of the lower tile body.
Because the lower half tile body is the main bearing area, therefore, the bottom of the lower half tile body is the most main stress position in fact, and frictional force is big, it is many to generate heat, the temperature is high, therefore, in this scheme, the temperature measurement hole is located the center department of the bottom of the lower half tile body, and temperature measuring element can monitor the temperature of the lower half tile body more accurately, avoids the bottom of the lower half tile body to appear "burning tile".
Preferably, as a modification, the annular seal plate includes an upper semi-annular seal plate and a lower semi-annular seal plate, and a weld is left between the upper semi-annular seal plate and the lower semi-annular seal plate.
In this scheme, the annular seal board includes first semi-annular seal board and second semi-annular seal board, and leaves the welding seam between first semi-annular seal board and the second semi-annular seal board, consequently, when the welding, can be in the same place the end wall welding of first semi-annular seal board, second semi-annular seal board and axle bush in the quilting department, and ensure that the end wall of annular seal board and axle bush is pasted mutually.
Preferably, as a modification, a side wall of the upper semi-annular sealing plate facing the upper half tile body is a tapered wall, and a side wall of the lower semi-annular sealing plate facing the lower half tile body is a tapered wall.
In the scheme, one side wall of the upper semi-annular sealing plate, which faces the upper semi-tile body, is a tapered wall, so that a welding seam is formed between the tapered wall of the upper semi-annular sealing plate and the end wall of the upper semi-tile body; the lower semi-annular sealing plate is a tapered wall facing to one side wall of the lower semi-tile body, and therefore a welding seam is formed between the tapered wall of the lower semi-annular sealing plate and the end wall of the lower semi-tile body, a worker can place a material in the welding seam to weld the upper semi-annular sealing plate and the upper semi-tile body together, the lower semi-annular sealing plate and the lower semi-tile body together, the upper semi-annular sealing plate is enabled to be attached to the end wall of the upper semi-tile body, the lower semi-annular sealing plate is enabled to be attached to the end wall of the lower semi-tile body, and coaxiality of the annular sealing plate and the bearing bush.
Preferably, as an improvement, inlet opening and apopore are the screw hole, and inlet opening threaded connection has the inlet tube, and apopore threaded connection has the outlet pipe.
In this scheme, when nevertheless inlet opening and apopore were the screw hole, inlet tube and outlet pipe can be threaded connection respectively in the inlet opening and in the apopore, convenient dismantlement to be convenient for clear up the cooling channel of half internal portion of tile down.
Preferably, as an improvement, a first check valve for guiding cooling water into the cooling channel is installed on the water inlet pipe, and a second check valve for guiding cooling water out of the cooling channel is installed on the water outlet pipe.
In this scheme, install first check valve on the inlet tube, install the second check valve on the outlet pipe to ensure the cooling water unidirectional flow in the cooling channel, and the cooling water can be full of cooling channel, ensure the cooling effect.
Preferably, as an improvement, the top of the upper half tile body is radially provided with an oil inlet hole.
In this scheme, through the oil feed hole on the half tile body of the top to lubricating oil on the contact surface of axle journal and axle bush, reduce the frictional force of friction surface, reduce the temperature of friction surface.
Preferably, as a modification, the upper half tile body and the lower half tile body are integrally formed.
In this scheme, when half tile body and half tile body integrated into one piece down, the wholeness of axle bush is better.
Preferably, as an improvement, the centers of the through holes are located on the same circumference, the number of the through holes is even, and the through holes are uniformly distributed on the end wall of the lower half tile body.
In this scheme, the mode that sets up of through-hole makes the structure of the lower half tile body symmetrical along the vertical central line of the lower half tile body, and the atress is more even.
Drawings
Fig. 1 is a longitudinal sectional view of a cooling bearing shell according to a first embodiment of the present invention;
FIG. 2 is a left side view of FIG. 1;
FIG. 3 is a left side view of FIG. 1 (without the annular seal plate);
FIG. 4 is a right side view of FIG. 1 (without the annular seal plate);
fig. 5 is a left side view of a cooling bearing bush according to a second embodiment of the present invention.
Detailed Description
The following is further detailed by way of specific embodiments:
reference numerals in the drawings of the specification include: the device comprises an upper half tile body 1, a lower half tile body 2, an oil inlet hole 3, a Babbitt metal layer 4, a through hole 5, a oval hole groove 6, an annular sealing plate 7, an upper half annular sealing plate 710, a lower half annular sealing plate 720, a welding layer 8, a water inlet hole 9, a water outlet hole 10, a temperature measuring hole 11, a first one-way valve 12 and a second one-way valve 13.
Example one
This embodiment is substantially as shown in fig. 1: a cooling bearing bush comprises an upper half bush body 1 and a lower half bush body 2, wherein in the embodiment, the upper half bush body 1 and the lower half bush body 2 are integrally formed. The top of the upper half tile body 1 is radially provided with an oil inlet hole 3.
The inner peripheral wall of the lower tile body 2 is provided with a groove, and a Babbitt metal layer 4 is cast in the groove. Referring to fig. 2, 3 and 4, the end wall of the lower half shell 2 is axially provided with a plurality of through holes 5, in this embodiment, the number of the through holes 5 is fourteen, the circle centers of the fourteen through holes 5 are located on the same circumference, and the fourteen through holes 5 are symmetrically arranged along the vertical center line of the lower half shell 2. The diameter of the through hole 5 may be 16mm or 20mm or 24mm, and in the present embodiment, the diameter of the through hole 5 is 16 mm.
The end walls of the two sides of the lower half tile body 2 are respectively provided with a plurality of oval hole grooves 6, in the embodiment, as shown in the figure, the end wall of the right side of the lower half tile body 2 is provided with seven oval hole grooves 6, the end wall of the left side of the lower half tile body 2 is provided with six oval hole grooves 6, and one oval hole groove 6 is communicated with two adjacent through holes 5.
The equal fixedly connected with annular seal plate 7 of both sides end wall of lower tile body 2, annular seal plate 7 includes last semi-annular seal plate 710 and lower semi-annular seal plate 720, leaves the welding seam between last semi-annular seal plate 710 and the lower semi-annular seal plate 720 to form welding layer 8 after the welding. The upper semi-ring sealing plate 710 is welded to the end wall of the upper half tile body 1, and the lower semi-ring sealing plate 720 is welded to the end wall of the lower half tile body 2, specifically, a side wall of the upper semi-ring sealing plate 710 facing the upper half tile body 1 is a tapered wall, and a side wall of the lower semi-ring sealing plate 720 facing the lower half tile body 2 is a tapered wall, so that a welding seam is formed between the tapered wall of the upper semi-ring sealing plate 710 and the end wall of the upper half tile body 1, and a welding seam is formed between the tapered wall of the lower semi-ring sealing plate 720 and the end wall of the lower half tile body 2, so that a welding layer 8 is formed after welding.
The through hole 5, the oval hole groove 6 and the annular sealing plate 7 form an S-shaped cooling channel, a water inlet hole 9 and a water outlet hole 10 are radially formed in the outer peripheral wall of the lower half tile body 2, the water inlet hole 9 is communicated with one end of the cooling channel, and the water outlet hole 10 is communicated with the other end of the cooling channel. In this embodiment, inlet opening 9 and apopore 10 are the screw hole, and 9 threaded connection in inlet opening have the inlet tube, and 10 threaded connection in apopore have the outlet pipe.
The center of the bottom end of the lower half tile body 2 is provided with a temperature measuring hole 11 along the radial direction for installing a temperature measuring element and monitoring the temperature of the tile shaft.
The specific implementation process is as follows: when the sliding bearing operates, the shaft neck rubs with the inner peripheral walls of the lower half tile body 2 and the upper half tile body 1, and heat is generated in the process. The workman adds lubricating oil to the inlet port 3 of the half tile body 1 on the top, and lubricating oil reduces the friction between axle journal and the internal perisporium of half tile body 2, the half tile body on the top 1, reduces the heat that the friction produced, and simultaneously, a part of heat can be taken away to trickling lubricating oil, reduces the temperature of half tile body 2 on the bottom and half tile body on the top 1.
Meanwhile, the worker leads cooling water into the cooling pipeline through the water inlet pipe, the cooling water flows in the cooling channel, absorbs the heat of the lower half tile body 2, takes away the absorbed heat and leaves the cooling channel through the water outlet pipe, and therefore the lower half tile body 2 is cooled. Moreover, the cooling channel is positioned inside the lower half tile body 2 and is closer to the friction surface of the lower half tile body 2 and the shaft neck, so that the cooling effect on the lower half tile body 2 is better in the embodiment, and the problem of 'tile burning' is more favorably avoided.
Moreover, in this embodiment, the annular sealing plate 7 can not only seal the oval hole slot 6 and the through hole 5, so that the inside of the lower half tile body 2 forms a sealed "S" shaped cooling channel, but also can be used as a bearing part to share the force received by the lower half tile body 2 and the upper half tile body 1, thereby improving the stress stability of the bearing bush and enhancing the bearing capacity of the bearing bush. Moreover, the upper semi-annular sealing plate 710 is attached to the end wall of the upper half shoe body 1, and the lower semi-annular sealing plate 720 is attached to the end wall of the lower half shoe body 2, so that the coaxiality of the annular sealing plate 7 and the bearing bush is ensured, and the rotation of the shaft neck is not influenced by the annular sealing plate 7.
In addition, in this embodiment, the worker can install the temperature measuring element in the temperature measuring hole 11, so that the temperature measuring element can monitor the temperature of the bearing bush under the condition that the temperature measuring element is closer to the babbit layer 4, and the temperature of the bearing bush can be grasped in real time.
Example two
The difference between the present embodiment and the first embodiment is: as shown in fig. 5, a first check valve 12 for guiding cooling water into the cooling passage is installed on the inlet pipe, and a second check valve 13 for guiding cooling water out of the cooling passage is installed on the outlet pipe.
In this embodiment, the first check valve 12 is installed on the water inlet pipe, and the second check valve 13 is installed on the water outlet pipe, so that the cooling water flows in one direction in the cooling channel, and the cooling channel is filled with the cooling water, thereby ensuring the cooling effect.
The above description is only an example of the present invention, and the detailed technical solutions and/or characteristics known in the solutions are not described too much here. It should be noted that, for those skilled in the art, without departing from the technical solution of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (10)
1. The utility model provides a cooling bearing shell, includes half tile body and half tile body down, its characterized in that: the end wall of the lower half tile body is provided with a plurality of through holes along the axial direction, a plurality of oval hole grooves are processed on the end walls at two sides of the lower half tile body, one oval hole groove is communicated with two adjacent through holes, the end walls at two sides of the lower half tile body are fixedly connected with annular sealing plates, and the annular sealing plates are fixedly connected with the end wall of the upper half tile body; the through hole, the oval hole groove and the annular sealing plate form an S-shaped cooling channel, a water inlet hole and a water outlet hole are radially formed in the outer peripheral wall of the lower half tile body, the water inlet hole is communicated with one end of the cooling channel, and the water outlet hole is communicated with the other end of the cooling channel.
2. A cooled bearing shell according to claim 1, wherein: the outer peripheral wall of the lower half tile body is radially provided with temperature measuring holes.
3. A cooled bearing shell according to claim 2, wherein: the temperature measuring hole is positioned in the center of the bottom end of the lower half tile body.
4. A cooled bearing shell according to claim 1, wherein: the annular sealing plate comprises an upper semi-annular sealing plate and a lower semi-annular sealing plate, and a welding line is reserved between the upper semi-annular sealing plate and the lower semi-annular sealing plate.
5. A cooled bearing shell according to claim 4, wherein: one side wall of the upper semicircular sealing plate, facing the upper half tile body, is a tapered wall, and one side wall of the lower semicircular sealing plate, facing the lower half tile body, is a tapered wall.
6. A cooled bearing shell according to any of claims 1 to 5, wherein: the inlet opening and the apopore are threaded holes, and inlet opening threaded connection has the inlet tube, and apopore threaded connection has the outlet pipe.
7. The cooled bearing shell according to claim 6, wherein: the water inlet pipe is provided with a first one-way valve for guiding cooling water into the cooling channel, and the water outlet pipe is provided with a second one-way valve for guiding the cooling water out of the cooling channel.
8. The cooled bearing shell according to claim 6, wherein: and an oil inlet hole is formed in the top of the upper half tile body along the radial direction.
9. The cooled bearing shell according to claim 8, wherein: the upper half tile body and the lower half tile body are integrally formed.
10. A cooled bearing shell according to claim 9, wherein: the circle centers of the through holes are positioned on the same circumference, the number of the through holes is even, and the through holes are uniformly distributed on the end wall of the lower half tile body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021760575.0U CN213235831U (en) | 2020-08-20 | 2020-08-20 | Cooling bearing bush |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021760575.0U CN213235831U (en) | 2020-08-20 | 2020-08-20 | Cooling bearing bush |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213235831U true CN213235831U (en) | 2021-05-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021760575.0U Active CN213235831U (en) | 2020-08-20 | 2020-08-20 | Cooling bearing bush |
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| CN (1) | CN213235831U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115921764A (en) * | 2023-01-17 | 2023-04-07 | 荣成华东锻压机床股份有限公司 | Intelligent temperature control device and method for crankshaft bearing bush of precision hot die forging press |
-
2020
- 2020-08-20 CN CN202021760575.0U patent/CN213235831U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115921764A (en) * | 2023-01-17 | 2023-04-07 | 荣成华东锻压机床股份有限公司 | Intelligent temperature control device and method for crankshaft bearing bush of precision hot die forging press |
| CN115921764B (en) * | 2023-01-17 | 2024-04-09 | 荣成华东锻压机床股份有限公司 | Intelligent temperature control device and method for crankshaft bearing bush of precise hot die forging press |
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