CN220539728U - Engine wheel train and engine - Google Patents
Engine wheel train and engine Download PDFInfo
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- CN220539728U CN220539728U CN202322047453.7U CN202322047453U CN220539728U CN 220539728 U CN220539728 U CN 220539728U CN 202322047453 U CN202322047453 U CN 202322047453U CN 220539728 U CN220539728 U CN 220539728U
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- fan
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- 230000005540 biological transmission Effects 0.000 claims abstract description 45
- 238000010248 power generation Methods 0.000 claims abstract description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 23
- 238000004378 air conditioning Methods 0.000 claims abstract description 19
- 239000000428 dust Substances 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000012423 maintenance Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 description 9
- 238000007789 sealing Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of engines, and discloses an engine gear train and an engine, wherein the engine gear train comprises: a crankshaft wheel provided with a first belt groove and a second belt groove; the first transmission route comprises a power generation wheel, a water pump wheel and an air conditioning wheel, and the power generation wheel, the water pump wheel and the air conditioning wheel are in transmission fit with the first belt groove through a first transmission belt; the second transmission route comprises a fan wheel, the fan wheel is in transmission fit with the second belt trough through a second transmission belt, and the two belt troughs are closer to the engine body, so that the heights of the original transmission wheel supports matched with the belt trough on the outermost side and the belt trough on the secondary outer side can be effectively reduced, the strength of the transmission wheel supports is higher, meanwhile, the power requirements of original parts can be met through only two transmission belts, the structure of the whole gear train is effectively simplified, the processing and the manufacturing are more convenient, the later disassembly and the maintenance are also more convenient, and the problems that the structure of the gear train of the existing diesel engine is complex and the reliability is poor are effectively solved.
Description
Technical Field
The utility model relates to the technical field of engines, in particular to an engine gear train and an engine.
Background
The train wheel of the engine is an important component of the engine and comprises a driving wheel and driven wheels, the driving wheel is a crank wheel, the number of the driven wheels is multiple, the engine comprises a compressor belt pulley, a water pump wheel, a generator wheel and a fan wheel, a piston reciprocates up and down in a cylinder to drive the crank wheel to rotate, and the crank wheel drives the driven wheels to rotate through a belt so as to drive all parts on a vehicle to work.
At present, the existing gear train of the diesel engine is generally provided with three independent transmission routes, three annular grooves are formed in the outer wall of a crank wheel along the axial direction, one of the grooves drives a fan wheel to rotate through a belt, the other groove drives a water pump wheel and a generator wheel to rotate through the belt, the last groove drives a compressor wheel to rotate through the belt, the three independent transmission routes are complex in structure, the manufacturing and installation are complex, the labor and the effort are wasted, meanwhile, in order to keep the same plane with the corresponding groove, the height of a driven wheel support is generally required to be set according to the distance between the groove and the engine, the outermost groove is longer than the engine, the height of the corresponding driven wheel support is also higher, and the support is easy to damage when the driven wheel rotates, so that the existing gear train of the diesel engine also has the problems of complex structure and poor reliability.
Disclosure of Invention
In view of the above, the utility model provides an engine gear train and an engine, so as to solve the problems of complex structure and poor reliability of the gear train of the existing diesel engine.
In a first aspect, the present utility model provides an engine train comprising: a crankshaft wheel provided with a first belt groove and a second belt groove; the first transmission route comprises a power generation wheel, a water pump wheel and an air conditioning wheel, and the power generation wheel, the water pump wheel and the air conditioning wheel are in transmission fit with the first belt groove through a first transmission belt; the second transmission route comprises a fan wheel, and the fan wheel is in transmission fit with the second belt groove through a second transmission belt.
The beneficial effects are that: only set up first trough of belt and second trough of belt on the crank pulley, because remove the trough of belt of the outermost side, two existing trough of belt is nearer apart from the fuselage of engine, consequently just can effectively reduce original and the outside and inferior outside trough of belt complex drive wheel support height, make drive wheel support intensity higher, promoted the cooperation reliability of drive wheel, simultaneously, become two-layer with original three-layer train, only need two drive belts can satisfy the power demand of original part, the structure of whole train has effectively been simplified, the processing of being convenient for is more also more convenient for later stage dismouting maintenance in the manufacturing, the train structure complicacy and the relatively poor problem of reliability of current diesel engine have effectively been solved.
In an alternative embodiment, the engine train further comprises a first tensioner that cooperates with the first drive belt to automatically tension the first drive belt.
The beneficial effects are that: the transmission reliability of the power generation wheel, the water pump wheel and the air conditioner wheel can be simultaneously improved through one first tensioning wheel.
In an alternative embodiment, the engine train further comprises a second tensioner that cooperates with the second drive belt to automatically tension the second drive belt.
The beneficial effects are that: the tensioning requirement of all driven wheels can be met through the two tensioning wheels, and the tensioning device is simple in structure and convenient to install.
In an alternative embodiment, the fan wheel is arranged on the body of the engine by means of a fan bracket.
The beneficial effects are that: simple structure and convenient manufacture.
In an alternative embodiment, the end of the fan bracket remote from the main body forms a support shaft, and the fan wheel is rotatably arranged on the support shaft through a bearing.
The beneficial effects are that: the fan wheel is directly matched with the supporting shaft, the fan wheel is supported by a single bearing, a rotating shaft is not required to be arranged in the middle of the fan wheel, the number of parts is reduced, and the centering of the supporting shaft and the stress can be improved.
In an alternative embodiment, the fan wheel and the bearing are provided with a dust cover at the end close to the machine body, and a fan pad cover is further provided at the end of the fan wheel far from the machine body.
The beneficial effects are that: the sealing performance that the fan wheel is close to the one end of fuselage with the bearing can be promoted to the shield, prevents that the dust from getting into, and the fan fills up the sealing performance that the one end of fuselage was kept away from to the cover can promote the fan wheel, can also regard as the connecting seat of being connected with the fan simultaneously, simple structure is ingenious.
In an alternative embodiment, the first transmission path further comprises a first idler wheel and a second idler wheel which are matched with the first transmission belt, the crank wheel is sequentially matched with the water pump wheel, the power generation wheel and the air conditioning wheel in a transmission mode through the first transmission belt, the first idler wheel is arranged between the water pump wheel and the power generation wheel, and the second idler wheel is arranged between the power generation wheel and the air conditioning wheel.
The beneficial effects are that: the first idler wheel and the second idler wheel are consistent with the rotating direction of the crank wheel, and the rotating directions of the water pump wheel, the power generation wheel and the air conditioner wheel can be kept consistent through a simple structure.
In an alternative embodiment, the first idler and the second idler are disposed on the fan bracket via a shaft.
The beneficial effects are that: no separate brackets for the first idler and the second idler are required, and the number of components in the structure is effectively simplified.
In a second aspect, the present utility model also provides an engine comprising: a body; the engine wheel system is arranged on the engine body.
In an alternative embodiment, the engine further comprises a generator and a compressor, the generator wheel is arranged on the generator, the air conditioning wheel is arranged on the compressor, and the generator and the compressor are connected with the machine body through an integral bracket.
The beneficial effects are that: the generator and the compressor can be fixed simultaneously through the integral bracket, so that the number of parts is simplified and the installation is convenient.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a three-dimensional schematic diagram of an engine train in accordance with an embodiment of the present utility model;
FIG. 2 is a front view of the engine train of FIG. 1;
FIG. 3 is a three-dimensional schematic view of a fan bracket of the engine train shown in FIG. 1;
fig. 4 is a schematic cut-away view of the fan bracket shown in fig. 3.
Reference numerals illustrate:
1. a crank wheel; 101. a first belt slot; 102. a second belt slot; 201. a power generation wheel; 202. a water pump wheel; 203. an air conditioning wheel; 204. a first belt; 205. a first tensioning wheel; 206. a first idler; 207. a second idler; 301. a fan wheel; 302. a second belt; 303. a second tensioning wheel; 4. a fan bracket; 401. a support shaft; 402. a bearing; 403. a dust cover; 404. a fan pad cover; 405. a fixing pad; 406. a fixing bolt; 501. a generator; 502. a compressor; 503. an integrated bracket.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Embodiments of the present utility model are described below with reference to fig. 1 to 4.
According to an embodiment of the present utility model, in one aspect, there is provided an engine train comprising: the crank wheel 1, the first transmission route and the second transmission route are provided with a first belt groove 101 and a second belt groove 102 on the crank wheel 1, the first transmission route comprises a power generation wheel 201, a water pump wheel 202 and an air conditioner wheel 203, the power generation wheel 201, the water pump wheel 202 and the air conditioner wheel 203 are in transmission fit with the first belt groove 101 through a first transmission belt 204, the second transmission route comprises a fan wheel 301, and the fan wheel 301 is in transmission fit with the second belt groove 102 through a second transmission belt 302.
By using the engine gear train of the embodiment, only the first belt groove 101 and the second belt groove 102 are arranged on the crank wheel 1, and the outermost belt groove is removed, so that the existing two belt grooves are closer to the engine body, the heights of the original driving wheel supports matched with the outermost belt groove and the secondary outer belt groove can be effectively reduced, the strength of the driving wheel supports is higher, the matching reliability of the driving wheel is improved, meanwhile, the original three-layer gear train is changed into two layers, the power requirements of original parts can be met only by two driving belts, the structure of the whole gear train is effectively simplified, the processing and the manufacturing are more convenient, the later disassembly and maintenance are also more convenient, and the problems of complex structure and poor reliability of the gear train of the existing diesel engine are effectively solved.
Specifically, the first belt groove 101 is closer to the body of the engine, and the diameter is larger than that of the second belt groove 102, and the engine train of the embodiment is mainly applied to a diesel engine, and because the diesel engine needs to radiate heat through a fan, the second belt groove 102 with smaller diameter independently drives the fan wheel 301 to rotate through the second transmission belt 302, so that the transmission efficiency is higher, the rotation load is smaller, the influence on the crankshaft wheel 1 is smaller, and the long-term stable operation of the crankshaft wheel 1 is more facilitated.
Further, in the related art, the widths of the three grooves on the crank wheel 1 are sequentially the smallest diameter groove, the moderate diameter groove and the largest diameter groove along the direction close to the body of the engine, wherein the moderate diameter groove drives the air conditioner wheel 203 to rotate by the driving belt alone, and the driving of the crank wheel 1 under the structure to drive the air conditioner wheel 203 to rotate is smaller.
The belt groove with a moderate diameter is removed from the engine wheel system of the embodiment, and the air conditioner wheel 203 is driven to rotate through the belt groove with the largest diameter, namely the first belt groove 101, so that the speed ratio of the air conditioner wheel 203 under the structure can be increased to 1.8 from the original 1.6, and the load of the crank wheel 1 can be effectively reduced; meanwhile, the first belt groove 101 is matched with the power generation wheel 201, the water pump wheel 202 and the air conditioner wheel 203, and the power generation wheel 201, the water pump wheel 202 and the air conditioner wheel 203 are arranged on the same rotation plane, so that the whole gear train only has two rotation planes, the number of the rotation planes is reduced, and the possibility of interference of components among different rotation planes is further reduced.
In this embodiment, the engine train further includes a first tensioning wheel 205, where the first tensioning wheel 205 cooperates with the first driving belt 204 to automatically tension the first driving belt 204, and the driving reliability of the power generation wheel 201, the water pump wheel 202 and the air conditioner wheel 203 can be simultaneously improved through one first tensioning wheel 205.
Specifically, since the original air conditioning wheel 203 is driven by an independent driving belt, and the space on one side of the engine is limited, in order to make the overall structure more compact, an automatic tensioning structure is not generally set for the air conditioning wheel 203 alone, the driving process of the air conditioning wheel 203 generally adopts manual tensioning, the air conditioning wheel 203 in this embodiment does not need to be provided with a tensioning structure alone, the automatic tensioning is completed through the first tensioning wheel 205, and the manual operation is not needed while the structure is simplified.
In this embodiment, the engine train further includes a second tensioning wheel 303, and the second tensioning wheel 303 cooperates with the second driving belt 302 to automatically tension the second driving belt 302, and the tensioning requirements of all driven wheels can be met through the two tensioning wheels, so that the engine train is simple in structure and convenient to install.
Specifically, in the related art center, the fan wheel 301 is generally engaged with the belt groove farthest from the body of the engine, and in the present embodiment, since the distance of the second belt groove 102 is closer to the body of the engine, the setting height of the tensioner bracket of the second tensioning wheel 303 can be reduced accordingly, improving the tensioner bracket structure reliability.
In the present embodiment, the fan wheel 301 is provided on the body of the engine by the fan bracket 4, and the structure is simple and easy to manufacture.
In this embodiment, the fan bracket 4 is far away from one end of the machine body to form a supporting shaft 401, the fan wheel 301 is rotatably arranged on the supporting shaft 401 through a bearing 402, the fan wheel 301 is directly matched with the supporting shaft 401, the fan wheel 301 is supported by a single bearing without a rotating shaft in the middle, the number of components is reduced, and the centering of the supporting shaft 401 and the stress can be improved.
Specifically, in the related art center, the fan wheel 301 is generally engaged with the groove that is farthest from the body of the engine, so that an additional rotation shaft is generally required between the fan wheel 301 and the fan bracket 4, and connection is made through a double bearing, whereas in the present embodiment, since the distance of the second groove 102 is closer to the body of the engine, there is no need to provide a rotation shaft between the fan wheel 301 and the fan bracket 4, and the fan wheel 301 is connected to the support shaft 401 through the bearing 402, thereby improving reliability while effectively reducing cost.
Further, as shown in fig. 4, in order to better fix the bearing 402, a fixing pad 405 is further fixed to the end of the support shaft 401 by a fixing bolt 406, and the fixing pad 405 can fix the inner ring of the bearing 402 to the support shaft 401, preventing the bearing 402 from being separated from the end of the support shaft 401.
In this embodiment, the end that fan wheel 301 and bearing 402 are close to the fuselage is equipped with shield 403, and the one end that fan wheel 301 kept away from the fuselage still is equipped with fan pad lid 404, and shield 403 can promote the sealing performance that fan wheel 301 and bearing 402 are close to the one end of fuselage, prevents that the dust from getting into, and fan pad lid 404 can promote the sealing performance that fan wheel 301 kept away from the one end of fuselage, can also regard as the connecting seat that is connected with the fan simultaneously, simple structure is ingenious.
In the present embodiment, the first transmission route further includes a first idler pulley 206 and a second idler pulley 207 that are engaged with the first transmission belt 204, the crank wheel 1 is engaged with the water pump wheel 202, the power generation wheel 201, and the air conditioning wheel 203 in order by the first transmission belt 204, the first idler pulley 206 is disposed between the water pump wheel 202 and the power generation wheel 201, the second idler pulley 207 is disposed between the power generation wheel 201 and the air conditioning wheel 203, the first idler pulley 206 and the second idler pulley 207 are aligned with the rotation direction of the crank wheel 1, and the rotation directions of the water pump wheel 202, the power generation wheel 201, and the air conditioning wheel 203 can be maintained to be aligned by a simple structure.
In the present embodiment, the first idler pulley 206 and the second idler pulley 207 are provided on the fan bracket 4 through the rotation shaft, and no separate bracket is required for the first idler pulley 206 and the second idler pulley 207, which effectively simplifies the number of components in the structure.
According to an embodiment of the present utility model, in another aspect, there is provided another engine including: the engine gear train is arranged on the machine body.
In this embodiment, the engine may be any series or specification type of diesel engine.
In this embodiment, the engine further includes a generator 501 and a compressor 502, the generator wheel 201 is disposed on the generator 501, the air conditioner wheel 203 is disposed on the compressor 502, the generator 501 and the compressor 502 are connected with the machine body through an integral bracket 503, and the generator 501 and the compressor 502 can be fixed simultaneously through an integral bracket, so that the number of components is simplified and the installation is convenient.
Although embodiments of the present utility model have been described in connection with the accompanying drawings, various modifications and variations may be made by those skilled in the art without departing from the spirit and scope of the utility model, and such modifications and variations fall within the scope of the utility model as defined by the appended claims.
Claims (10)
1. An engine train comprising:
a crank wheel (1) provided with a first belt groove (101) and a second belt groove (102);
the first transmission route comprises a power generation wheel (201), a water pump wheel (202) and an air conditioning wheel (203), wherein the power generation wheel (201), the water pump wheel (202) and the air conditioning wheel (203) are in transmission fit with the first belt groove (101) through a first transmission belt (204);
the second transmission path comprises a fan wheel (301), and the fan wheel (301) is in transmission fit with the second belt groove (102) through a second transmission belt (302).
2. The engine train of claim 1, further comprising a first tensioning wheel (205), the first tensioning wheel (205) cooperating with a first drive belt (204) to automatically tension the first drive belt (204).
3. The engine train according to claim 2, further comprising a second tensioning wheel (303), the second tensioning wheel (303) cooperating with a second drive belt (302) to automatically tension the second drive belt (302).
4. A train according to any one of claims 1 to 3, characterized in that the fan wheel (301) is arranged on the body of the engine by means of a fan bracket (4).
5. An engine train according to claim 4, characterized in that the end of the fan bracket (4) remote from the fuselage forms a support shaft (401), the fan wheel (301) being rotatably arranged on the support shaft (401) by means of a bearing (402).
6. The engine train according to claim 5, characterized in that the fan wheel (301) and the end of the bearing (402) close to the fuselage are provided with a dust cover (403), and the end of the fan wheel (301) remote from the fuselage is further provided with a fan pad cover (404).
7. The engine train according to claim 4, characterized in that the first transmission line further comprises a first idler wheel (206) and a second idler wheel (207) which are matched with the first transmission belt (204), the crank wheel (1) is sequentially matched with the water pump wheel (202), the power generation wheel (201) and the air conditioning wheel (203) in a transmission way through the first transmission belt (204), the first idler wheel (206) is arranged between the water pump wheel (202) and the power generation wheel (201), and the second idler wheel (207) is arranged between the power generation wheel (201) and the air conditioning wheel (203).
8. The engine train according to claim 7, characterized in that the first idler (206) and the second idler (207) are arranged on the fan bracket (4) by means of a rotation shaft.
9. An engine, comprising:
a body;
an engine train as claimed in any one of claims 1 to 8, which is provided on the fuselage.
10. The engine of claim 9, further comprising a generator (501) and a compressor (502), the generator wheel (201) being disposed on the generator (501), the air conditioner wheel (203) being disposed on the compressor (502), the generator (501) and the compressor (502) being connected to the fuselage by an integral bracket (503).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322047453.7U CN220539728U (en) | 2023-08-01 | 2023-08-01 | Engine wheel train and engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322047453.7U CN220539728U (en) | 2023-08-01 | 2023-08-01 | Engine wheel train and engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220539728U true CN220539728U (en) | 2024-02-27 |
Family
ID=89967330
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322047453.7U Active CN220539728U (en) | 2023-08-01 | 2023-08-01 | Engine wheel train and engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220539728U (en) |
-
2023
- 2023-08-01 CN CN202322047453.7U patent/CN220539728U/en active Active
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