CN215170373U - Engine front end wheel train and engine - Google Patents
Engine front end wheel train and engine Download PDFInfo
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- CN215170373U CN215170373U CN202121182746.0U CN202121182746U CN215170373U CN 215170373 U CN215170373 U CN 215170373U CN 202121182746 U CN202121182746 U CN 202121182746U CN 215170373 U CN215170373 U CN 215170373U
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Abstract
The utility model relates to an engine technical field, concretely relates to engine front end train and engine. This engine front end train, including a plurality of belt wheel trains, belt wheel train includes drive belt, action wheel and at least one auxiliary component drive wheel, and action wheel and auxiliary component drive wheel are connected to the drive belt, and the action wheel is connected with the bent axle, and the auxiliary component drive wheel is suitable for drive auxiliary component, in the belt wheel train of difference the diameter of action wheel is different. The utility model discloses with the action wheel of different belt wheel trains direct and crankshaft connection, rotate through the bent axle drive action wheel, with the direct transfer of bearing of load to the higher bent axle of load bearing capacity, avoided the use of ladder idler, the reliability is higher, and transmission efficiency is higher. The driving wheels in different gear trains drive the auxiliary element driving wheels to rotate through different driving belts, and the different gear trains do not have direct or indirect driving relation, so that the load superposition cannot be formed.
Description
Technical Field
The utility model relates to an engine technical field particularly, relates to an engine front end train and engine.
Background
The engine is an important component of products such as engineering machinery, special equipment and the like, and the engine is taken as a core component of the crane by taking the crane as an example, so that driving force is provided for the operation of the crane. The engine front end wheel system is usually used for providing power for auxiliary elements such as an air conditioner, a fan, a water pump, a generator and the like, wherein the speed ratio of the generator, the air conditioner and the like is not easy to change, the speed ratio of the generator, the air conditioner and the like is easy to change, the generator, the air conditioner and the like are arranged in one wheel system, the speed ratio of the generator, the air conditioner and the like is easy to change, the wheel system is arranged in the other wheel system, one wheel system is in transmission connection with a crankshaft, belts of the two wheel systems are respectively in tensioning fit with a stepped idler wheel, loads of the two wheel systems are all concentrated on the stepped idler wheel through a transmission belt, but the requirements of a bearing inside the stepped idler wheel on the load working condition are severe, and the stepped idler wheel is easy to damage due to the increase of the loads. Further, the step idler realizes transmission between the first train and the second train as an intermediate member, resulting in a reduction in transmission efficiency.
SUMMERY OF THE UTILITY MODEL
The present invention aims to solve or improve at least one of the above technical problems.
In order to solve the problem, the utility model provides an engine front end train, including a plurality of belt wheel trains, belt wheel train includes drive belt, action wheel and at least one auxiliary element drive wheel, the drive belt is connected the action wheel with the auxiliary element drive wheel, action wheel and crankshaft connection, in the different belt wheel trains the diameter of action wheel is different.
Optionally, one of the belt pulley system is a first belt pulley system, the auxiliary element drive wheel of first belt pulley system includes generator drive wheel and water pump drive wheel, the drive belt of first belt pulley system is first drive belt, first belt pulley the action wheel is first belt pulley, first drive belt connects generator drive wheel water pump drive wheel with first belt pulley.
Optionally, the first pulley system comprises a torsional damper, the first pulley being connected to the torsional damper.
Optionally, the first pulley system further comprises a tensioning mechanism, at least one tensioning mechanism is arranged between the first pulley, the generator driving wheel and the water pump driving wheel, and the tensioning mechanism is used for tensioning the transmission belt.
Optionally, one of the belt pulley systems is a second belt pulley, the driving wheel of the second belt pulley system is a second belt pulley, the transmission belt of the second belt pulley system is a second transmission belt, the auxiliary element driving wheel of the second belt pulley system is an air conditioner driving wheel, the air conditioner driving wheel is suitable for driving of an air conditioner compressor, and the second transmission belt is connected with the second belt pulley and the air conditioner driving wheel.
Optionally, still include air conditioner installing support and base, the base is connected with the cylinder body of engine, the air conditioner installing support with the base is connected, the air conditioner installing support is suitable for air condition compressor's installation.
Optionally, the air conditioner further comprises an adjusting bolt and a first mounting bracket, the first mounting bracket is connected with the cylinder body of the engine, the air conditioner mounting bracket is provided with a threaded hole, and the adjusting bolt penetrates through the threaded hole and then abuts against the first mounting bracket.
Optionally, one of the pulley systems is a third pulley system, the driving wheel of the third pulley system is a third pulley, the transmission belt of the second pulley system is a third transmission belt, the auxiliary element driving wheel of the third pulley system is a fan driving wheel, and the third transmission belt is connected with the third pulley and the fan driving wheel.
Optionally, the diameters of the first pulley, the second pulley and the third pulley are sequentially reduced.
Compared with the prior art, the beneficial effects of engine front end train be:
the utility model discloses will be different the belt train the action wheel direct with the bent axle is connected, through crankshaft drive the action wheel rotates, directly shifts to the higher bent axle to load bearing capacity with the bearing of load on, has avoided the use of ladder idler, and the reliability is higher. The driving wheels in different gear trains drive the driving wheels of the auxiliary elements to rotate through different driving belts, and the different gear trains have no direct or indirect transmission relationship, so that the load superposition cannot be formed. The driving wheel is directly driven to rotate by the crankshaft, so that the step idler is prevented from being used as an intermediate connecting piece for transmission, and the transmission efficiency is higher. In addition, through the different diameters the setting of action wheel realizes driving different belt wheel trains respectively to match rather than corresponding to the auxiliary element of different power the action wheel guarantees suitable velocity ratio.
The utility model also provides an engine, include as above the engine front end train. The beneficial effects of the engine are the same as the front-end wheel train of the engine, and are not described in detail herein.
Drawings
Fig. 1 is a schematic structural diagram of an engine front end gear train in an embodiment of the present invention;
fig. 2 is a side view of an engine in an embodiment of the present invention.
Description of reference numerals:
1-drive pulley, 2-drive belt, 3-auxiliary element drive pulley, 11-first belt pulley, 12-first drive belt, 13-water pump drive pulley, 14-generator drive pulley, 15-tensioning mechanism, 16-first mounting bracket, 21-second belt pulley, 22-second drive belt, 23-air conditioner drive pulley, 24-air conditioner mounting bracket, 25-adjusting screw, 31-third belt pulley, 32-third drive belt, 33-fan drive pulley, 34-third tensioner.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanied with figures are described in detail below.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the description herein, references to the description of the terms "an example," "one example," and "one implementation," etc., mean that a particular feature, structure, material, or characteristic described in connection with the example or implementation is included in at least one example or implementation of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or implementation. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or implementations.
An embodiment of the utility model provides an engine front end train, as shown in fig. 1 and fig. 2, including a plurality of belt wheel trains, belt wheel train includes drive belt 2, action wheel 1 and at least one auxiliary component drive wheel 3, drive belt 2 is connected action wheel 1 with auxiliary component drive wheel 3, action wheel 1 is suitable for and is connected with the bent axle, auxiliary component drive wheel 3 is suitable for the drive auxiliary component, in the different belt wheel trains action wheel 1's diameter is different.
In the present embodiment, the auxiliary element driving wheel 3 is used for driving an auxiliary element, which may be an air conditioner, a fan, a water pump, a generator, etc., and different auxiliary element driving wheels 3 are used for driving different auxiliary elements. Because the load bearing capacity of the crankshaft is higher than that of the stepped idle wheel, all the driving wheels 1 are directly connected with the crankshaft of the engine, and the driving wheels 1 are driven to work through the crankshaft. Specifically, the different driving wheels 1 can be sequentially arranged along the axial direction of the crankshaft to form a multi-layer wheel train. Here, the connection of the drive belt 2 to the drive wheel 1 and the auxiliary element drive wheel 3 means that the drive belt 2, the drive wheel 1 and the auxiliary element drive wheel 3 cooperate in the same belt train, without direct or indirect transmission relationships in the different belt trains. The drive belt 2 may be an elastic belt.
From this, will be different the belt train the action wheel 1 directly with the bent axle is connected, through the bent axle drive action wheel 1 rotates, directly shifts the bearing of load to the bent axle that is higher to load bearing capacity on, has avoided the use of ladder idler, and the reliability is higher. The driving wheel 1 in different gear trains drives the auxiliary element driving wheel 3 to rotate through different driving belts 2, and the different gear trains have no direct or indirect driving relation, so that the load superposition cannot be formed. The driving wheel 1 is directly driven to rotate by the crankshaft, so that the step idler is prevented from being used as an intermediate connecting piece for transmission, and the transmission efficiency is higher. In addition, through the different diameters the setting of action wheel 1 realizes driving different belt wheel trains respectively to match the auxiliary element of different power rather than corresponding action wheel 1 guarantees suitable velocity ratio.
As shown in fig. 1 and 2, one of the belt pulleys is a first belt pulley, the auxiliary element driving wheel of the first belt pulley comprises a generator driving wheel 14 and a water pump driving wheel 13, the driving belt 2 of the first belt pulley is a first driving belt 12, the driving wheel 1 of the first belt pulley is a first belt pulley 11, and the first driving belt 12 is connected with the generator driving wheel 14, the water pump driving wheel 13 and the first belt pulley 11.
In this embodiment, the generator driving wheel 14 is used for driving the generator, the water pump driving wheel 13 is used for driving the water pump, the generator driving wheel 14 and the water pump driving wheel 13 are arranged in the first belt wheel system, and the generator and the water pump run synchronously. Here, the first belt pulley 11 may be directly connected to the crankshaft or may be connected to the crankshaft through an intermediate connecting member, and the first belt pulley 11 is connected to the intermediate connecting member, and when the crankshaft drives the intermediate connecting member to rotate, the intermediate connecting member drives the first belt pulley 11 to move. Because the water pump is an auxiliary element with relatively high use frequency in the generator, when the water pump pumps water, the generator synchronously runs, and the generator generates electricity.
As shown in fig. 1, the first pulley system comprises a torsional damper suitable for being connected to the crankshaft, to which the first pulley 11 is connected. Here, the first pulley 11 may be coaxial with the torsion damper, around which the first pulley 11 is disposed, and when the crankshaft rotates the torsion damper, the torsion damper rotates the first pulley 11. The first pulley 11 may be a pulley with which the torsional damper is provided. Through the arrangement of the torsional damper, the torsional rigidity of the joint part of the engine crankshaft and the transmission system is reduced, the torsional damping is increased, the corresponding amplitude of torsional resonance is inhibited, and the transient torsional vibration generated by impact is attenuated.
As shown in fig. 1, the first pulley system further includes at least one tensioning mechanism 15, at least one tensioning mechanism 15 is respectively disposed between the first pulley 11, the generator driving wheel 14 and the water pump driving wheel 13, and the tensioning mechanism 15 is used for tensioning the transmission belt 2. Here, the first pulley 11, the generator driving wheel 14 and the water pump driving wheel 13 are distributed in a triangular shape, that is, the first pulley 11, the generator driving wheel 14 and the water pump driving wheel 13 are respectively three vertexes of a triangle, the tensioning mechanism 15 may be a tensioner or an idler wheel, and the tensioning mechanism 15 causes the first driving belt 12 to be depressed toward the center of the triangle and tensions the first driving belt 12, so that the space at the center of the triangle can be fully utilized, the overall volume can be reduced, and the tensioning effect can be increased.
As shown in fig. 1, one of the belt pulleys is a second belt pulley, the driving wheel 1 of the second belt pulley is a second belt pulley 21, the transmission belt 2 of the second belt pulley is a second transmission belt 22, the auxiliary element driving wheel 3 of the second belt pulley is an air conditioner driving wheel 23, the air conditioner driving wheel 23 is suitable for driving an air conditioner compressor, and the second transmission belt 22 connects the second belt pulley 21 and the air conditioner driving wheel 23.
In this embodiment, the second pulley system and the first pulley system are arranged along the axial direction of the crankshaft, and no direct or indirect transmission relation exists between the second pulley system and the first pulley system. The air conditioner driving wheel 23 and the first belt pulley 11 are suitable for being connected with the crankshaft, and the crankshaft can drive the air conditioner driving wheel 23 and the first belt pulley 11 to move simultaneously and can also drive the air conditioner driving wheel 23 and the first belt pulley 11 to move. By arranging the air conditioner driving wheel 23 and the water pump driving wheel 13 in different gear trains, the phenomenon that the load of a transmission belt is increased due to the fact that the load is high in the same gear train is avoided.
As shown in fig. 1 and 2, the engine front-end gear train further comprises an air conditioner mounting bracket 24 and a base, the base is suitable for being connected with a cylinder body of the engine, the air conditioner mounting bracket 24 is connected with the base, the air conditioner mounting bracket 24 is suitable for mounting an air conditioner compressor, and the position of the air conditioner mounting bracket 24 is adjustable.
In this embodiment, the base may be bolted or welded to the block of the engine, and the air conditioner mounting bracket 24 and the base may also be integrally connected. The air conditioner mounting bracket 24 may be removably connected to the base. When the position of the air conditioner mounting bracket 24 is changed, the position of the air conditioner compressor can be adjusted, and the air conditioner driving wheel 23 is in driving connection with the air conditioner compressor, so that the position of the air conditioner driving wheel 23 is adjusted, and the tightness of the second transmission belt 22 is adjusted.
When the length or angle of the air conditioner mounting bracket 24 is adjustable, specifically, the air conditioner mounting bracket 24 may be adjustable in its angle or length by an external element, or may be adjustable in its own length. For example, the air conditioner mounting bracket 24 and the base are respectively provided with a strip-shaped hole, and the air conditioner mounting bracket 24 and the base are fastened through bolts and pass through the strip-shaped holes, so that the position of the air conditioner mounting bracket 24 relative to the base is adjusted. For another example, the air conditioner mounting bracket 24 is provided as two sections of mounting plates connected to each other, each mounting plate is provided with a strip-shaped hole, and the mounting plates are fastened by bolts to penetrate through the strip-shaped holes of each mounting plate, so that the length of the air conditioner mounting bracket 24 is adjusted.
In one embodiment, the engine front end gear train further comprises an adjusting bolt 25 and a first mounting bracket 16, the first mounting bracket 16 is suitable for being connected with a cylinder block of an engine, the air conditioner mounting bracket 24 is provided with a threaded hole, and one axial end of the adjusting bolt 25 is abutted to the first mounting bracket 16 after passing through the threaded hole. The first mounting bracket 16 may be a bracket for mounting a generator, a bracket for mounting a water pump, or a bracket for mounting a fan, one axial end of the adjusting bolt 25 passes through the threaded hole and abuts against the first mounting bracket 16, when the adjusting bolt 25 is screwed, the axial position of the adjusting bolt 25 can be adjusted, and the first mounting bracket 16 is kept stationary, so that the air conditioner mounting bracket 24 moves relative to the first mounting bracket 16, the position of the air conditioner driving wheel 23 is adjusted, the tightness of the second driving belt 22 is adjusted, and the operation is simple.
As shown in fig. 1 and 2, one of the belt pulleys is a third belt pulley, the driving wheel 1 of the third belt pulley is a third belt pulley 31, the transmission belt 2 of the second belt pulley is a third transmission belt 32, the auxiliary element driving wheel 3 of the third belt pulley is a fan driving wheel 33, and the third transmission belt 32 connects the third belt pulley 31 and the fan driving wheel 33.
In this embodiment, the third pulley system, the second pulley system and the first pulley system are followed the axial setting of bent axle, there is not direct or indirect drive relation between the third pulley system, the second pulley system and the first pulley system. The third belt pulley 31, the air conditioner driving wheel 23 and the first belt pulley 11 are suitable for being connected with the crankshaft, the crankshaft can drive the third belt pulley 31, the air conditioner driving wheel 23 and the first belt pulley 11 to move simultaneously, and can also drive the third belt pulley 31, the air conditioner driving wheel 23 and the first belt pulley 11 to move. By arranging the fan driving wheel 33, the air conditioner driving wheel 23 and the water pump driving wheel 13 in different gear trains, the increase of the load of the transmission belt caused by the high load in the same gear train is avoided. Here, the third pulley system may include a third tensioner 34, the third tensioner 34 being for tensioning the third drive belt 32.
As shown in fig. 1 and 2, the diameters of the first pulley 11, the second pulley 21, and the third pulley 31 are reduced in this order. That is, the diameter of the driving wheel 1 for driving the fan driving wheel 33 to rotate is relatively smallest, the diameter of the driving wheel 1 for driving the generator driving wheel 14 and the water pump driving wheel 13 to rotate is relatively largest, and the diameter of the driving wheel 1 for driving the air conditioner driving wheel 23 to rotate is between the first belt pulley 11 and the third belt pulley 31. This minimizes the speed ratio of the fan driving wheel 33, and reduces the noise generated during the operation of the fan; meanwhile, the speed ratio of the generator driving wheel 14 and the water pump driving wheel 13 in the first belt wheel system is ensured, the speed ratio of the air conditioner driving wheel 23 is increased as much as possible, and the maximum transmission efficiency is ensured.
Another embodiment of the present invention provides an engine, comprising the engine front wheel train as described above. The beneficial effects of the engine are the same as the front end wheel train of the engine, and the description is omitted.
Although the present disclosure has been described above, the scope of the present disclosure is not limited thereto. Various changes and modifications may be made by those skilled in the art without departing from the spirit and scope of the present disclosure, and these changes and modifications are intended to fall within the scope of the present disclosure.
Claims (10)
1. The utility model provides an engine front end train, its characterized in that includes a plurality of belt wheel trains, belt wheel train includes drive belt (2), action wheel (1) and at least one auxiliary element drive wheel (3), drive belt (2) are connected action wheel (1) with auxiliary element drive wheel (3), action wheel (1) is connected with the bent axle, in the different belt wheel trains the diameter of action wheel (1) is different.
2. Engine front end train according to claim 1, characterized in that one of the belt pulleys is a first belt pulley, the auxiliary element drive wheel (3) of which comprises a generator drive wheel (14) and a water pump drive wheel (13), the drive belt (2) of which is a first drive belt (12), the drive wheel (1) of which is a first belt pulley (11), the first drive belt (12) connecting the generator drive wheel (14), the water pump drive wheel (13) and the first belt pulley (11).
3. Engine front end train according to claim 2, characterized in that the first belt train comprises a torsional damper connected with the first pulley (11).
4. Engine front end train according to claim 2, characterized in that the first belt train further comprises a tensioning mechanism (15), at least one tensioning mechanism (15) being arranged between the first belt pulley (11), the generator drive wheel (14) and the water pump drive wheel (13), the tensioning mechanism (15) being adapted to tension the drive belt (2).
5. Engine front-end train according to claim 2, characterized in that one of the belt pulleys is a second belt pulley, the drive wheel (1) of which is a second belt pulley (21), the drive belt (2) of which is a second drive belt (22), the auxiliary element drive wheel (3) of which is an air-conditioning drive wheel (23), the air-conditioning drive wheel (23) being adapted to the drive of an air-conditioning compressor, the second drive belt (22) connecting the second belt pulley (21) and the air-conditioning drive wheel (23).
6. An engine front end gear train according to claim 5, further comprising an air conditioner mounting bracket (24) and a base, the base being connected to a cylinder block of the engine, the air conditioner mounting bracket (24) being connected to the base, the air conditioner mounting bracket (24) being adapted for mounting of the air conditioner compressor, the position of the air conditioner mounting bracket (24) being adjustable.
7. The engine front end gear train of claim 6, characterized by further comprising an adjusting bolt (25) and a first mounting bracket (16), wherein the first mounting bracket (16) is connected with a cylinder body of the engine, the air conditioner mounting bracket (24) is provided with a threaded hole, and the adjusting bolt (25) passes through the threaded hole and abuts against the first mounting bracket (16).
8. Engine front-end train according to claim 5, characterized in that one of the belt pulleys is a third belt pulley, the drive wheel (1) of which is a third belt pulley (31), the drive belt (2) of which is a third drive belt (32), the auxiliary-element drive wheel (3) of which is a fan drive wheel (33), the third drive belt (32) connecting the third belt pulley (31) and the fan drive wheel (33).
9. Engine front end train according to claim 8, characterized in that the diameters of the first pulley (11), the second pulley (21) and the third pulley (31) decrease in sequence.
10. An engine comprising an engine front end train as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121182746.0U CN215170373U (en) | 2021-05-28 | 2021-05-28 | Engine front end wheel train and engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121182746.0U CN215170373U (en) | 2021-05-28 | 2021-05-28 | Engine front end wheel train and engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215170373U true CN215170373U (en) | 2021-12-14 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121182746.0U Active CN215170373U (en) | 2021-05-28 | 2021-05-28 | Engine front end wheel train and engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215170373U (en) |
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2021
- 2021-05-28 CN CN202121182746.0U patent/CN215170373U/en active Active
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