Mounting structure of bearing bush oil injection pipe

Abstract

The mounting structure comprises a seat body, an inserting cylinder is fixedly mounted on the seat body, the inserting cylinder is inserted into the seat body, an inserting hole is formed in the inserting cylinder, and the inserting hole is formed in the radial inner side of the inner wall of the seat body; comprising a distribution pipe, the distribution pipe is inserted into the insertion hole and provided with a main hole channel and a plurality of second oil spraying holes, and the main hole channel is communicated with the second oil spraying holes; a first ring body is installed on the end face of the base body and provided with a through hole, and the through hole is coaxial with the inserting hole. The utility model provides a mounting structure of a bearing bush oil injection pipe, which is convenient to disassemble.

Description

Technical Field

[0001] This utility model relates to the field of bearing oil injection pipe technology, and more specifically, to an installation structure for bearing oil injection pipe. Background Technology

[0002] The inner wall of the bearing housing of a sliding bearing is fitted with a bearing bush. The friction between the bearing bush and the shaft generates high temperatures, which need to be cooled by oil injection through an oil injection pipe. The oil injection pipe is installed radially inward from the inner wall of the bearing housing. Therefore, replacing the oil injection pipe requires disassembling the bearing housing from the shaft. However, for large units with bearing diameters exceeding 1000mm, this disassembly is extremely inconvenient and presents a drawback. Utility Model Content

[0003] The purpose of this utility model is to overcome the shortcomings of the prior art and provide an installation structure for the bearing oil injection pipe that is easy to disassemble.

[0004] To achieve the above objectives, the present invention adopts the following technical solution: an installation structure for a bearing oil injection pipe, comprising a base body, wherein a plug is fixedly installed on the base body, the plug is inserted into the base body, the plug has an insertion hole located radially inside the inner wall of the base body; comprising a distribution pipe, the distribution pipe is inserted into the insertion hole, the distribution pipe has a main channel and multiple oil injection holes, the main channel being connected to the oil injection holes; and an annular body is installed on the end face of the base body, the annular body having a through hole, the through hole being coaxial with the insertion hole.

[0005] The present invention is further configured to include an inner cylinder, an insert cylinder having an oil inlet, the inner cylinder being inserted into the oil inlet, the inner cylinder having a flow channel hole, one end of the flow channel hole being connected to the oil inlet, and the other end of the flow channel hole being connected to the main channel.

[0006] The present invention is further configured such that the distribution pipe includes a connecting pipe, the connecting pipe is inserted into the insertion hole, the inner cylinder includes an extension body, the extension body is inserted into the connecting pipe, and the flow channel hole axially passes through the extension body.

[0007] The present invention is further configured such that the insertion hole is a rectangular hole, a gasket is installed on the inner wall of the insertion hole, the outer peripheral wall of the gasket fits against the inner peripheral wall of the insertion hole, the distribution tube passes through the gasket, and the inner cylinder and the inner wall of one side of the insertion hole press the distribution tube together.

[0008] The present invention is further configured such that the connecting pipe is provided with an oil outlet channel, which is connected to the main channel, and the insert is provided with an oil spray hole, which is connected to the oil outlet channel.

[0009] The present invention is further configured such that the distribution pipe includes an extension pipe, the extension pipe is provided with two oil injection holes, the two oil injection holes penetrate the inner wall of one side of the extension pipe, and multiple two oil injection holes are distributed along the axial direction of the extension pipe.

[0010] The present invention is further configured such that the insert and the base are fastened together by screws.

[0011] The present invention is further configured such that the size of the through hole matches the outer dimensions of the distribution tube, so that the distribution tube can pass through the through hole.

[0012] The present invention is further configured such that the inner cylinder is provided with a mounting hole, the mounting hole is located on the side of the inner cylinder away from the insertion hole, and the cross-section of the mounting hole is polygonal.

[0013] The present invention is further configured such that the axial direction of the insertion hole is parallel to the axial direction of the base body, the cross-section of the insertion cylinder is rectangular, and the axial direction of the insertion hole is parallel to one of the side lines of the insertion cylinder.

[0014] In summary, this utility model has the following beneficial effects:

[0015] By setting an insert and an inner cylinder to be inserted into the outer peripheral wall of the bearing housing to form an oil inlet pipe, and a through hole is opened in the ring body to facilitate the insertion of the distribution pipe, the distribution pipe is connected to the oil inlet pipe to realize cooling oil spray, which greatly improves the ease of disassembly and assembly of the oil spray pipe, increases the cleaning frequency, and better maintains the bearing. Attached Figure Description

[0016] Figure 1 This is a cross-sectional schematic diagram of an embodiment;

[0017] Figure 2 for Figure 1 Enlarged view of point A in the middle;

[0018] Figure 3 for Figure 1 Schematic diagram of the MM section;

[0019] Figure 4 for Figure 3 Enlarged view of point B in the middle.

[0020] Reference numerals in the attached drawings: 1. Base body; 11. Bearing body 1; 12. Ring 1; 121. Through hole 1; 122. Ring 2; 13. Through hole 2; 131. Shaft 2; Insert sleeve; 3. Oil inlet; 32. Insertion hole; 321. Extension platform; 322. Injection hole 1; 4. Distribution pipe; 41. Connecting pipe; 411. Oil outlet channel; 42. Extension pipe; 42. Injection hole 2; 421. Main channel; 43. Inner cylinder; 5. Flow channel hole; 51. Mounting hole; 52. Extension body; 53. Gasket ring; 6. Oil drain cavity; 7. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] like Figure 1 , Figure 3 As shown, this embodiment discloses an installation structure for a bearing oil injection pipe, including a base 1, which is a circular structure. A bearing body 11 is installed on the inner wall of the base 1. Multiple bearing bodies 11 are provided, and a shaft 2 can be inserted between the multiple bearing bodies 11. The shaft 2 and the bearing body 11 are slidably connected.

[0023] like Figure 1 As shown, ring 12 and ring 23 are respectively installed on the two end faces of the base 1. The inner diameters of ring 12 and ring 23 are both larger than the inner diameter of the base 1. Figure 2 As shown, an oil drain cavity 7 is formed between the first annular body 12, the second annular body 13, and the seat body 1, as follows: Figure 1 As shown, the first ring 12 and the second ring 13 are respectively provided with channel 121 and channel 131 for cooling oil to be discharged.

[0024] like Figure 1 , Figure 2 As shown, the base 1 is fixedly fitted with the insert 3. Specifically, as... Figure 2 As shown, the insert 3 is inserted into the base 1. The cross-section of the insert 3 is rectangular. The corresponding holes of the base 1 and the insert 3 are also rectangular. The axis of the insertion hole 32 is parallel to the axis of the base 1. The axis of the insertion hole 32 is parallel to one of the side lines of the insert 3 to facilitate control of the circumferential installation direction. The insert 3 and the base 1 are fastened with screws.

[0025] like Figure 2 , Figure 4 As shown, the insert 3 is provided with an oil inlet 31 and an insertion hole 32. The oil inlet 31 is used to connect the oil inlet pipe for cooling the shaft 2. The insertion hole 32 is located on the radial inner side of the inner wall of the seat 1. The insertion hole 32 is a rectangular hole. A washer 6 is installed on the inner wall of the insertion hole 32. The outer peripheral wall of the washer 6 fits against the inner peripheral wall of the insertion hole 32. The washer 6 is made of rubber.

[0026] like Figure 2 As shown, a distribution tube 4 is inserted into the insertion hole 32. The distribution tube 4 includes a connecting tube 41 and extension tubes 42 at both axial ends of the connecting tube 41. The connecting tube 41 has a rectangular structure and passes through the gasket 6. The outer peripheral wall of the connecting tube 41 is in contact with the inner peripheral wall of the gasket 6. The inner wall of the insertion hole 32 has a radially inwardly protruding annular extension platform 321. Figure 2 In the middle, the upper end face of the extension platform 321 abuts against the lower end face of the pad ring 6, the distribution tube 4 is inserted from the upper end of the socket 32, and the extension platform 321 is located at the lower end of the socket 32.

[0027] like Figure 2As shown, the distribution pipe 4 has a main channel 43, which is axially arranged along the distribution pipe 4 and closed at both ends. The extension pipe 42 has a second oil injection hole 421, which penetrates one side of the inner wall of the extension pipe 42. Multiple second oil injection holes 421 are distributed along the axial direction of the extension pipe 42. The main channel 43 is connected to the second oil injection hole 421. Cooling oil enters the main channel 43 and is sprayed out from the second oil injection hole 421 to cool the outer wall of the shaft 2.

[0028] like Figure 4 As shown, the connecting pipe 41 is provided with an oil outlet channel 411, which is connected to the main channel 43. The insert 3 is provided with an oil spray hole 322, which is connected to the oil outlet channel 411. The setting of the oil spray hole 322 increases the number of oil spray points and improves the cooling effect.

[0029] An inner cylinder 5 is threadedly inserted into an oil inlet 31. The inner cylinder 5 has a flow channel hole 51, one end of which is connected to the oil inlet 31, and the other end of which is connected to the main channel 43. The inner cylinder 5 includes an extension body 53, which is inserted into a connecting pipe 41. The flow channel hole 51 axially passes through the extension body 53. The inner cylinder 5 and the inner wall of one side of the insertion hole 32 press against each other to secure the connecting pipe 41.

[0030] The inner cylinder 5 is provided with a mounting hole 52, which is located on the side of the inner cylinder 5 away from the insertion hole 32. The cross-section of the mounting hole 52 is polygonal, and hexagonal is preferred for easy screwing in.

[0031] like Figure 1 As shown, the ring body 12 is provided with a through hole 122, which is coaxial with the insertion hole 32. The hole size of the through hole 122 matches the outer size of the distribution pipe 4 so that the distribution pipe 4 can pass through the through hole 122. The through hole 122 can be sealed by installing a plug.

[0032] The above description is merely a preferred embodiment of this utility model. The protection scope of this utility model is not limited to the above embodiments. All technical solutions falling within the scope of this utility model's concept are protected. It should be noted that for those skilled in the art, any improvements and modifications made without departing from the principle of this utility model should also be considered within the protection scope of this utility model.

Claims

1. A mounting structure for a bearing oil injection pipe, characterized in that, Includes a base (1), on which a plug (3) is fixedly installed, the plug (3) is inserted into the base (1), the plug (3) is provided with a plug hole (32), the plug hole (32) is located on the radial inner side of the inner wall of the base (1); Includes a distribution pipe (4), which is inserted into the insertion hole (32). The distribution pipe (4) is provided with a main channel (43) and multiple second oil injection holes (421). The main channel (43) is connected to the second oil injection holes (421). The end face of the base (1) is equipped with a ring body (12), the ring body (12) is provided with a through hole (122), and the through hole (122) is coaxial with the insertion hole (32); Includes an inner cylinder (5), the insert (3) is provided with an oil inlet (31), the inner cylinder (5) is inserted into the oil inlet (31), the inner cylinder (5) is provided with a flow channel hole (51), one end of the flow channel hole (51) is connected to the oil inlet (31), and the other end of the flow channel hole (51) is connected to the main channel (43).

2. The mounting structure of the bearing oil injection pipe according to claim 1, characterized in that, The distribution pipe (4) includes a connecting pipe (41) which is inserted into the insertion hole (32). The inner cylinder (5) includes an extension body (53) which is inserted into the connecting pipe (41). The flow channel hole (51) axially penetrates the extension body (53).

3. The mounting structure of the bearing oil injection pipe according to claim 1, characterized in that, The insertion hole (32) is a rectangular hole. A gasket (6) is installed on the inner wall of the insertion hole (32). The outer peripheral wall of the gasket (6) fits against the inner peripheral wall of the insertion hole (32). The distribution tube (4) passes through the gasket (6). The inner cylinder (5) and the inner wall of one side of the insertion hole (32) press the distribution tube (4) against each other.

4. The mounting structure of the bearing oil injection pipe according to claim 2, characterized in that, The connecting pipe (41) is provided with an oil outlet channel (411), which is connected to the main channel (43). The insert (3) is provided with an oil spray hole (322), which is connected to the oil outlet channel (411).

5. The mounting structure of the bearing oil injection pipe according to claim 1, characterized in that, The distribution pipe (4) includes an extension pipe (42), the extension pipe (42) is provided with the second oil injection hole (421), the second oil injection hole (421) penetrates the inner wall of one side of the extension pipe (42), and multiple second oil injection holes (421) are distributed along the axial direction of the extension pipe (42).

6. The mounting structure of the bearing oil injection pipe according to claim 1, characterized in that, The insert (3) is fastened to the seat (1) by screws.

7. The mounting structure of the bearing oil injection pipe according to claim 1, characterized in that, The through hole (122) is sized to match the outer dimensions of the distribution tube (4) so ​​that the distribution tube (4) can pass through the through hole (122).

8. The mounting structure of the bearing oil injection pipe according to claim 1, characterized in that, The inner cylinder (5) is provided with a mounting hole (52), which is located on the side of the inner cylinder (5) away from the insertion hole (32), and the cross-section of the mounting hole (52) is polygonal.

9. The mounting structure of the bearing oil injection pipe according to claim 1, characterized in that, The axial direction of the insertion hole (32) is parallel to the axial direction of the base (1), the cross-section of the insertion cylinder (3) is rectangular, and the axial direction of the insertion hole (32) is parallel to one of the side lines of the insertion cylinder (3).

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