CN211474244U - Rear-end supporting power output device of internal combustion engine - Google Patents
Rear-end supporting power output device of internal combustion engine Download PDFInfo
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- CN211474244U CN211474244U CN201922482119.8U CN201922482119U CN211474244U CN 211474244 U CN211474244 U CN 211474244U CN 201922482119 U CN201922482119 U CN 201922482119U CN 211474244 U CN211474244 U CN 211474244U
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- combustion engine
- internal combustion
- power output
- transmission shaft
- flywheel
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Abstract
The utility model discloses a power take-off is supported to internal-combustion engine rear end installs and fixes on the bell housing of internal-combustion engine. The rear end support power output apparatus of an internal combustion engine includes: the supporting seat is connected with the flywheel shell; a driving disk connected with the flywheel; the transmission shaft is fixedly supported on the supporting seat through a bearing; the driven disc is connected with the driving disc through an elastic block and is connected with one end of the transmission shaft; and a pulley mounted at the other end of the transmission shaft. The power output of the internal combustion engine rear-end support power output device adopts the elastic block to be in transition connection with the driving disc and the driven disc, so that the vibration of rigid connection can be avoided, and the transmission is more stable.
Description
Technical Field
The invention relates to the field of internal combustion engines, in particular to a rear-end supporting power output device of an internal combustion engine.
Background
The internal combustion engine is the most commonly used power machine in modern times, and has been widely applied to the fields of transportation, engineering machinery, agricultural equipment and the like, in particular to harvesting machinery and part of engineering machinery (crushers and the like), and the power is output from the rear end of the internal combustion engine through the lateral pulling of a belt.
The traditional internal combustion engine flywheel rear end power output structure is as follows: the belt pulley is directly arranged on the flywheel without support, and the power is output by the lateral pulling of the belt. The internal combustion engine flywheel rear end power output structure has the following defects: rigid connection is adopted, and transmission is not stable. In addition, when high power is output by adopting belt side pulling, under the condition that a belt pulley is not supported, if the belt does not have the same tension balance in the reverse direction, a crankshaft of the internal combustion engine is subjected to extremely high side pulling force, bending force is generated on the crankshaft, and when the bending force exceeds the bending load of the crankshaft, the crankshaft is subjected to bending fatigue and crankshaft fracture failure occurs.
The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person skilled in the art.
Disclosure of Invention
The invention aims to provide the internal combustion engine rear end supporting power output device with a simple and reasonable structure, the power output of the internal combustion engine rear end supporting power output device adopts the elastic block to be in transition connection with the driving disc and the driven disc, the vibration of rigid connection can be avoided, and the transmission is more stable.
In order to achieve the above object, the present invention provides a rear-end supported power output apparatus of an internal combustion engine, which is mounted and fixed on a flywheel housing of the internal combustion engine, comprising: the supporting seat is connected with the flywheel shell; a driving disk connected with the flywheel; the transmission shaft is fixedly supported on the supporting seat through a bearing; the driven disc is connected with the driving disc through an elastic block and is connected with one end of the transmission shaft; and a pulley mounted at the other end of the transmission shaft.
In a preferred embodiment, the driven disk is connected to the drive shaft by means of a taper fit.
In a preferred embodiment, the driven disc is positioned and mounted on the transmission shaft through a half-key and locked by a washer and a lock nut.
In a preferred embodiment, the bearing is a deep groove ball bearing, the inner ring of the bearing is limited and thrust by the step of the transmission shaft and the spacer bush, and the outer ring of the deep groove ball bearing is limited and thrust by the step of the support seat and the retainer ring.
In a preferred embodiment, the elastic block is made of nylon.
Compared with the prior art, the internal combustion engine rear-end supporting power output device has the following beneficial effects: the power output of the internal combustion engine rear-end support power output device adopts the elastic block to be in transition connection with the driving disc and the driven disc, so that the vibration of rigid connection can be avoided, and the transmission is more stable. In addition, the supporting seat is arranged on the flywheel shell, the two bearings are arranged on the supporting seat, the transmission shaft and the belt pulley are supported through the bearings, when power is transmitted through side pulling of the belt, side pulling force is transmitted on the flywheel shell, the crankshaft is not subjected to bending force, the crankshaft fracture fault cannot occur, and the reliability is high.
Drawings
Fig. 1 is a front view schematically showing a rear end support power output apparatus of an internal combustion engine according to an embodiment of the present invention.
Fig. 2 is a side view configuration diagram of an internal combustion engine rear-end support power output apparatus according to an embodiment of the invention.
Fig. 3 is a cross-sectional structural schematic diagram of an internal combustion engine rear-end support power output apparatus according to an embodiment of the invention.
Fig. 4 is a schematic diagram of a power transmission connection structure of a driving disk and a driven disk of an internal combustion engine rear-end support power output apparatus according to an embodiment of the present invention.
Detailed Description
The following detailed description of the present invention is provided in conjunction with the accompanying drawings, but it should be understood that the scope of the present invention is not limited to the specific embodiments.
Throughout the specification and claims, unless explicitly stated otherwise, the word "comprise", or variations such as "comprises" or "comprising", will be understood to imply the inclusion of a stated element or component but not the exclusion of any other element or component.
As shown in fig. 1 to 3, the power of the internal combustion engine is transmitted to a flywheel 3 through a crankshaft 1, and a rear end support power output apparatus of the internal combustion engine according to a preferred embodiment of the present invention is mounted and fixed to a flywheel housing 2 of the internal combustion engine. The specific structure of the internal combustion engine rear end support power output device comprises: the device comprises a supporting seat 4, a driving disc 5, an elastic block 6, a driven disc 7, a transmission shaft 11 and a belt pulley 9. The driven disc 7 is connected with the driving disc 5 through the elastic block 6, the driving disc and the driven disc are in transition connection through the elastic block, vibration of rigid connection can be avoided, and transmission is stable. In addition, the rear end supporting power output device of the internal combustion engine adopts the supporting seat 4 to be installed on the flywheel shell, the two bearings are installed on the supporting seat, the transmission shaft and the belt pulley are supported through the bearings, when power is transmitted through side pulling of the belt, side pulling force is transmitted on the flywheel shell, a crankshaft does not bear bending force, the fracture fault of the crankshaft cannot occur, and the reliability is high.
Specifically, as shown in fig. 1 and 2, the support seat 4 is positioned with the flywheel housing 2 through a spigot and is connected through 8M 12 bolts. The rear end supporting power output device of the internal combustion engine is fixedly arranged on a flywheel shell 2 of the internal combustion engine through a supporting seat 4.
The driving disk 5 is positioned with the flywheel 3 through the spigot and is installed and connected through 8M 12 bolts.
As shown in fig. 3, the transmission shaft 11 is fixedly supported on the support base 4 through two deep groove ball bearings 10, wherein an inner ring of the deep groove ball bearing 10 is assembled with the transmission shaft 11 in an interference fit manner, and an outer ring of the deep groove ball bearing 10 is in a transition fit with the support base 4. The inner ring of the deep groove ball bearing 10 is limited and thrust through the step of the transmission shaft 11 and the spacer 13, and the outer ring of the deep groove ball bearing 10 is limited and thrust through the step of the support seat 4 and the retainer ring 12.
As shown in fig. 4, the driven disk 7 is connected to the driving disk 5 through the elastic block 6 and is connected to the transmission shaft 11 through a taper fit, thereby transmitting power to the transmission shaft 11.
In a preferred embodiment, the elastic block 6 is made of nylon materials, so that vibration of rigid connection can be avoided, and transmission is more stable.
In a preferred embodiment, the driven disc 7 is positioned and mounted on the drive shaft 11 by a woodruff key 8 and locked with a washer 14 and a locking nut 15. The semicircular key 8 has a positioning function, and can play a buffering effect when abnormal radial force is applied, so that the driving disc 5 and the transmission shaft 11 cannot rotate relatively to cause transmission failure.
As shown in fig. 3, the pulley 9 is fixed on the transmission shaft 11 by a spigot, and is installed and connected by 8 bolts of M10. Power is installed on the belt pulley 9 through the belt and is transmitted and output, and when the belt is pulled to one side to output power, the bending force borne by the transmission shaft 11 is transmitted to the supporting seat 4 and the flywheel housing 2 through the supported deep groove ball bearing 10, so that the stability and reliability of the transmission device are ensured.
In conclusion, the power output of the internal combustion engine rear-end supporting power output device adopts the elastic block to be in transition connection with the driving disc and the driven disc, so that the vibration of rigid connection can be avoided, and the transmission is more stable. In addition, the supporting seat is arranged on the flywheel shell, the two bearings are arranged on the supporting seat, the transmission shaft and the belt pulley are supported through the bearings, when power is transmitted through side pulling of the belt, side pulling force is transmitted on the flywheel shell, the crankshaft is not subjected to bending force, the crankshaft fracture fault cannot occur, and the reliability is high.
The foregoing descriptions of specific exemplary embodiments of the present invention have been presented for purposes of illustration and description. It is not intended to limit the invention to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain certain principles of the invention and its practical application to enable one skilled in the art to make and use various exemplary embodiments of the invention and various alternatives and modifications as are suited to the particular use contemplated. It is intended that the scope of the invention be defined by the claims and their equivalents.
Claims (5)
1. A rear-end supported power output apparatus of an internal combustion engine, which is mounted and fixed on a flywheel housing of the internal combustion engine, characterized in that the rear-end supported power output apparatus of the internal combustion engine comprises:
the supporting seat is connected with the flywheel shell;
a driving disk connected with the flywheel;
the transmission shaft is fixedly supported on the supporting seat through a bearing;
the driven disc is connected with the driving disc through an elastic block and is connected with one end of the transmission shaft; and
a pulley mounted at the other end of the transmission shaft.
2. The engine rear end support power take off of claim 1, wherein the driven plate is conically tapered to the drive shaft.
3. The engine rear end support power take off of claim 2, wherein said driven plate is positionally fixed to said drive shaft by a woodruff key and is locked with a washer and a lock nut.
4. The internal combustion engine rear end support power take-off of claim 1, wherein the bearing is a deep groove ball bearing, an inner race of which is restrained and urged by a step and a spacer of the drive shaft, and an outer race of which is restrained and urged by a step and a retainer of the support base.
5. The internal combustion engine rear end support power take-off of claim 1, wherein said resilient block is of nylon material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922482119.8U CN211474244U (en) | 2019-12-31 | 2019-12-31 | Rear-end supporting power output device of internal combustion engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922482119.8U CN211474244U (en) | 2019-12-31 | 2019-12-31 | Rear-end supporting power output device of internal combustion engine |
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| Publication Number | Publication Date |
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| CN211474244U true CN211474244U (en) | 2020-09-11 |
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| CN201922482119.8U Active CN211474244U (en) | 2019-12-31 | 2019-12-31 | Rear-end supporting power output device of internal combustion engine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111287844A (en) * | 2019-12-31 | 2020-06-16 | 广西玉柴机器股份有限公司 | Rear-end supporting power output device of internal combustion engine |
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2019
- 2019-12-31 CN CN201922482119.8U patent/CN211474244U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111287844A (en) * | 2019-12-31 | 2020-06-16 | 广西玉柴机器股份有限公司 | Rear-end supporting power output device of internal combustion engine |
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