CN217152616U - Main shaft bushing capable of improving lubricating property of diesel engine - Google Patents
Main shaft bushing capable of improving lubricating property of diesel engine Download PDFInfo
- Publication number
- CN217152616U CN217152616U CN202220863428.9U CN202220863428U CN217152616U CN 217152616 U CN217152616 U CN 217152616U CN 202220863428 U CN202220863428 U CN 202220863428U CN 217152616 U CN217152616 U CN 217152616U
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- main shaft
- tile
- lubricating
- diesel engine
- bearing shell
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- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Abstract
The utility model discloses a can improve lubricated main shaft tile of diesel engine belongs to engine technical field, has solved the not enough problem of lubrication often appears in the connecting rod tile. The main shaft bush comprises an upper main shaft bush and a lower main shaft bush, two ends of the upper main shaft bush and two ends of the lower main shaft bush are respectively connected to form a circular structure, an upper lubricating groove extending along the circumferential direction is formed in the middle of the upper main shaft bush, lower lubricating grooves with the width being consistent with that of the upper lubricating groove are formed in the left end and the right end of the lower main shaft bush, the depth of each lower lubricating groove is gradually reduced from the end face to the inside, a lubricating hole is formed in the upper main shaft bush, and the lubricating hole is communicated with the upper lubricating groove. The utility model discloses a can improve lubricated main shaft tile of connecting rod axle bush improves the oil groove of main shaft tile to improve the fuel feeding to the connecting rod axle bush, improve its lubricating ability, have the characteristics that application scope is wide, the practicality is strong.
Description
Technical Field
The utility model relates to the technical field of engines, especially, relate to a can improve lubricated main shaft bushing of diesel engine.
Background
The connecting rod bush of the engine is a key part for connecting a connecting rod and a crankshaft and bearing power, and is also the most important pair of friction pairs in the engine. Therefore, how to better solve the lubrication problem of the part and ensure that the pair of friction pairs have stable and reliable oil films is the key for ensuring the reliable and economic operation of the engine.
In the engine operation in-process, the connecting rod tile is lubricated and is cooled off to the connecting rod neck mainly through the oil groove fuel feeding of last main bearing shell, because the transportation of high-speed high strength, should bear higher heat load, the lubricating oil that gets into the connecting rod tile is very limited, often appear lubricated not enough phenomenon, lead to under long-term operation, there is wearing and tearing between the part, produce tiny metal debris, because the clearance is very little between connecting rod tile and crankshaft connecting rod, so that metal debris is difficult for discharging, cause lubricated jam easily, take place the phenomenon of burning a tile.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is not enough to the above-mentioned of prior art, provide one kind and can improve the lubricating main shaft tile of connecting rod axle bush, improve the oil groove of main shaft tile to improve the fuel feeding to the connecting rod axle bush, improve its lubricating ability, have application scope extensively, characteristics that the practicality is strong.
The utility model adopts the technical proposal that: the utility model provides an improve diesel engine lubricity's main shaft tile, includes upper main shaft tile and lower main shaft tile, the both ends of upper main shaft tile and lower main shaft tile connect respectively and form circular structure, upper main shaft tile intermediate position set up along the last lubrication groove of circumferencial direction extension, lower main shaft tile about both ends all set up the lower lubrication groove unanimous with upper lubrication groove width, the degree of depth of lower lubrication groove becomes shallow gradually inwards by the terminal surface, upper main shaft tile on set up the lubrication hole, lubrication hole and upper lubrication groove intercommunication.
As a further improvement, chamfers are arranged at the top ends of the left side and the right side of the upper main shaft bushing and the lower bearing bushing.
Furthermore, the junction of the upper main bearing shell and the lower main bearing shell is provided with a thinning area.
Further, the lengths of the lower lubricating grooves at the left end and the right end of the lower main shaft bushing are consistent, and an included angle formed between the two ends of the lower lubricating groove and the circle center of the lower main shaft bushing is 20-40 degrees.
Furthermore, the included angle formed by the two ends of the lower lubricating groove and the circle center is 30 degrees, and the tail end of the lower lubricating groove is flush with the inner wall of the lower main bearing bush.
Furthermore, both ends of the upper main shaft bush and the lower main shaft bush are provided with reinforcing blocks.
Furthermore, the thickness of the reinforcing block is gradually reduced from the end face to the inside.
Advantageous effects
Compared with the prior art, the utility model, have following advantage:
the utility model discloses a can improve lubricated main shaft bushing of connecting rod axle bush adds the last lubrication groove of last main shaft bushing through the lubrication hole with lubricating oil, and lubricating oil from the last lubrication groove flows the lower lubrication groove. When the main journal oil hole is positioned in the lower lubricating groove, lubricating oil is supplied to the connecting rod tile from the main journal oil hole, the upper connecting rod tile which is positioned in the stage under a more rigorous lubricating condition is improved, and a good effect is achieved; meanwhile, due to the existence of the lower lubricating groove, the oil supply duration of the connecting rod bearing bush is increased, the temperature of an oil film in the connecting rod bearing bush is favorably reduced, the bush burning fault of the connecting rod bearing bush is reduced, and the lubricating device has the characteristics of convenience in use and wide application range.
Drawings
Fig. 1 is a schematic view of the structure of the present invention;
fig. 2 is an enlarged schematic view of a part of the structure of the present invention.
Wherein: 1-upper main shaft bush, 2-lower main shaft bush, 3-upper lubricating groove, 4-lower lubricating groove, 5-reinforcing block, 6-lubricating hole, 7-thinning area and 8-chamfer.
Detailed Description
The invention will be further described with reference to specific embodiments shown in the drawings.
Referring to fig. 1-2, the utility model discloses a can improve diesel engine lubricity's main shaft tile, including last main shaft tile 1 and lower main shaft tile 2, it forms circular structure to go up main shaft tile 1 and connect respectively with lower main shaft tile 2's both ends, go up main shaft tile 1 intermediate position and offer along the last lubrication groove 3 of circumferencial direction extension, lower main shaft tile 2 is controlled both ends and is all offered and lubricated groove 4 down with last lubrication groove 3 width unanimous down, the degree of depth of lubricated groove 4 down becomes shallow gradually by the terminal surface inwards, go up and seted up lubrication hole 6 on the main shaft tile 1, lubrication hole 6 and last lubrication groove 3 intercommunication, add the last lubrication groove 3 of last main shaft tile 1 with lubricating oil through lubrication hole 6, lubricating oil flows to lower lubrication groove 4 from last lubrication groove 3. When the main journal oil hole is positioned in the lower lubricating groove 4, lubricating oil is supplied to the connecting rod tile from the main journal oil hole, the upper connecting rod tile which is positioned in the stage under a more rigorous lubricating condition is improved, and a good effect is achieved; the existence of lower lubrication groove 4 has increased the fuel feeding duration to the connecting rod tile simultaneously, is favorable to reducing the temperature of the interior oil film of connecting rod tile, reduces the fever tile trouble of connecting rod tile, and the bent axle connecting rod is at the motion in-process, because the degree of depth of lower lubrication groove 4 becomes shallow gradually inwards by the terminal surface, and lubricating oil improves the oil film pressure in this region in the extrusion, can be better carry lubricating oil toward the connecting rod tile, plays good lubricated effect.
Specifically, the top ends of the left side and the right side of the upper main shaft bushing 1 and the lower bearing bushing 2 are provided with chamfers 8, so that the lubricating oil leakage from the chamfers to the two ends of the edge is facilitated, heat generated by movement friction of a crankshaft and the bearing bushings is taken away, and the cooling effect of the main shaft bushing is improved.
Preferably, the junction of the upper main bearing shell 1 and the lower main bearing shell 2 is provided with a thinning area 7, so that the bearing shell gap is enlarged in the area, and the cooling of the bearing shell is improved.
Further, the lengths of the lower lubricating grooves 4 at the left end and the right end of the lower main bearing bush 2 are consistent, the included angle formed between the two ends of the lower lubricating grooves 4 and the circle center of the lower main bearing bush 2 is 20-40 degrees, and the lengths of the lower lubricating grooves 4 are adjusted according to the oil amount required by lubrication so as to meet different lubricating requirements.
Further, the contained angle that 4 both ends of lower lubrication groove and the centre of a circle formed is 30, and 4 terminal and the 2 inner walls of lower main shaft tile of lower lubrication groove are parallel and level mutually, and when the contained angle was 30, lubricated effectual, the length of lower lubrication groove 4 need not longer, and main shaft tile 2's structural strength under the guarantee that can be fine, lower lubrication groove 4 and 2 inner walls smooth transition of lower main shaft tile are favorable to lubricating oil to carry toward the connecting rod tile, play good lubricated effect.
Further, both ends of the upper main shaft bush 1 and the lower main shaft bush 2 are provided with reinforcing blocks 5, so that the mechanical strength of both ends of the upper main shaft bush 1 and the lower main shaft bush 2 is enhanced, and deformation in the using process is prevented.
Furthermore, the thickness of the reinforcing block 5 is gradually reduced from the end face inwards, the cross section is triangular, the deformation resistance of the structure is better, and meanwhile, the production cost can be saved.
When the main bearing bush capable of improving the lubricating property of the diesel engine is used, lubricating oil is added into the upper lubricating groove 3 of the upper main bearing bush 1 through the lubricating hole 6, the lubricating oil flows from the upper lubricating groove 3 to the lower lubricating groove 4, when the main journal oil hole is positioned in the lower lubricating groove 4, the lubricating oil is supplied to the connecting rod bush from the main journal oil hole, the upper connecting rod bush which is in a harsh lubricating condition at the stage is improved, and a good effect is achieved; the existence of lower lubrication groove 4 has increased the fuel feeding duration to the connecting rod tile simultaneously, is favorable to reducing the temperature of the interior oil film of connecting rod tile, reduces the fever tile trouble of connecting rod tile, and the bent axle connecting rod is at the motion in-process, because the degree of depth of lower lubrication groove 4 becomes shallow gradually inwards by the terminal surface, and lubricating oil improves the oil film pressure in this region in the extrusion, can be better carry lubricating oil toward the connecting rod tile, plays good lubricated effect. The utility model discloses an can improve the lubricated main bearing shell of connecting rod axle bush improves the oil groove of main bearing shell to improve the fuel feeding to the connecting rod axle bush, improve its lubricating ability, have that application scope is wide, characteristics that the practicality is strong.
The above is only the preferred embodiment of the present invention, and it should be noted that for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which will not affect the utility model and the utility of the patent.
Claims (7)
1. The utility model provides an improve diesel engine lubricity's main shaft tile, includes upper main shaft tile (1) and lower main shaft tile (2), the both ends of upper main shaft tile (1) and lower main shaft tile (2) connect respectively and form circular structure, upper main shaft tile (1) intermediate position seted up along last lubrication groove (3) that the circumferencial direction extends, its characterized in that, lower main shaft tile (2) about both ends all seted up with last lubrication groove (3) width unanimous lower lubrication groove (4), the degree of depth of lower lubrication groove (4) is inwards shallowed gradually by the terminal surface, upper main shaft tile (1) on seted up lubrication hole (6), lubrication hole (6) and last lubrication groove (3) intercommunication.
2. The main shaft bushing capable of improving the lubricity of the diesel engine as claimed in claim 1, wherein the top ends of the left and right sides of the upper main shaft bushing (1) and the lower main shaft bushing (2) are provided with chamfers (8).
3. The main bearing shell for improving the lubricity of the diesel engine as claimed in claim 1, wherein the junction of the upper main bearing shell (1) and the lower main bearing shell (2) is provided with a thinning area (7).
4. The main bearing shell capable of improving the lubricity of the diesel engine as claimed in claim 1, wherein the lengths of the lower lubrication grooves (4) at the left and right ends of the lower main bearing shell (2) are consistent, and the included angle formed between the two ends of the lower lubrication grooves (4) and the center of the circle of the lower main bearing shell (2) is 20-40 degrees.
5. The main bearing shell capable of improving the lubricity of the diesel engine as claimed in claim 4, wherein the included angle formed between the two ends of the lower lubricating groove (4) and the center of the circle is 30 degrees, and the tail end of the lower lubricating groove (4) is flush with the inner wall of the lower main bearing shell (2).
6. The main shaft bushing capable of improving the lubricity of the diesel engine as claimed in claim 1, wherein the reinforcing blocks (5) are arranged at both ends of the upper main shaft bushing (1) and the lower main shaft bushing (2).
7. The main bearing shell for improving the lubricity of the diesel engine as claimed in claim 6, wherein the thickness of the reinforcing block (5) is gradually reduced from the end face to the inside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220863428.9U CN217152616U (en) | 2022-04-14 | 2022-04-14 | Main shaft bushing capable of improving lubricating property of diesel engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220863428.9U CN217152616U (en) | 2022-04-14 | 2022-04-14 | Main shaft bushing capable of improving lubricating property of diesel engine |
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| Publication Number | Publication Date |
|---|---|
| CN217152616U true CN217152616U (en) | 2022-08-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202220863428.9U Active CN217152616U (en) | 2022-04-14 | 2022-04-14 | Main shaft bushing capable of improving lubricating property of diesel engine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116078991A (en) * | 2023-01-17 | 2023-05-09 | 荣成华东锻压机床股份有限公司 | Accurate warm forging press and production line based on intelligent measurement and control |
-
2022
- 2022-04-14 CN CN202220863428.9U patent/CN217152616U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116078991A (en) * | 2023-01-17 | 2023-05-09 | 荣成华东锻压机床股份有限公司 | Accurate warm forging press and production line based on intelligent measurement and control |
| CN116078991B (en) * | 2023-01-17 | 2023-07-04 | 荣成华东锻压机床股份有限公司 | Accurate warm forging press and production line based on intelligent measurement and control |
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