CN211398424U - Split type strenghthened type balance shaft mechanism - Google Patents
Split type strenghthened type balance shaft mechanism Download PDFInfo
- Publication number
- CN211398424U CN211398424U CN202020038598.4U CN202020038598U CN211398424U CN 211398424 U CN211398424 U CN 211398424U CN 202020038598 U CN202020038598 U CN 202020038598U CN 211398424 U CN211398424 U CN 211398424U
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- transmission shaft
- balance shaft
- shaft
- connecting piece
- balance
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Abstract
The utility model provides a balanced axle mechanism of split type strenghthened type, including the fork connecting piece, the transmission shaft of balanced axle and hydraulic pump is connected to the fork connecting piece. The utility model discloses a set up fork mouth connecting piece and realize being connected and the linkage between balanced axle and the hydraulic pump transmission shaft, strengthen balanced axle and hydraulic pump transmission shaft's joint strength, improve overall structure's stability, make the balanced axle be difficult to damaged, be favorable to increase of service life.
Description
Technical Field
The utility model relates to a diesel engine technical field, more specifically say, relate to a split type strenghthened type balance shaft mechanism.
Background
In order to meet the requirements of vibration and smoothness of the diesel engine, a balance shaft is added on part of the diesel engine to reduce the vibration and noise of the whole diesel engine. The existing balance shafts are mostly integrated, and a connecting groove is arranged at one end part of each balance shaft and is directly connected with a transmission shaft of a hydraulic pump, so that the purpose of auxiliary power output is achieved.
However, the joint of the balance shaft and the transmission shaft of the hydraulic pump needs to bear a large torque from the hydraulic pump, which may cause the end of the balance shaft connected with the transmission shaft of the hydraulic pump to break, thereby affecting the working stability and the use efficiency of the diesel engine, and therefore, the connection strength between the balance shaft and the transmission shaft of the hydraulic pump needs to be enhanced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a balanced axle mechanism of split type strenghthened type, its joint strength who strengthens balanced axle and hydraulic pump transmission shaft to overcome prior art's not enough.
The technical proposal of the utility model for solving the technical problem is that: the utility model provides a balanced axle mechanism of split type strenghthened type, includes the fork mouth connecting piece, the transmission shaft of balanced axle and hydraulic pump is connected to the fork mouth connecting piece.
One end of the fork opening connecting piece is provided with a balance shaft connecting port, the other end of the fork opening connecting piece is provided with a transmission shaft connecting groove, the balance shaft connecting port is connected with one end of the balance shaft, and the transmission shaft connecting groove is connected with the transmission shaft.
The inner wall of the balance shaft connecting port is provided with threads, the end parts of the balance shaft and the fork port connecting piece are provided with threads, and the end part of the balance shaft is in threaded connection with the balance shaft connecting port.
The transmission shaft is a straight-line-shaped transmission shaft, the transmission shaft connecting groove is matched with the transmission shaft, and the transmission shaft is inserted into the transmission shaft connecting groove.
The gear chamber cover of the diesel engine is provided with a communicating opening, and the fork opening connecting piece is arranged on the communicating opening and is in clearance fit with the communicating opening; the hydraulic pump is arranged on the gear chamber cover, and the transmission shaft extends into the communication port.
The utility model has the advantages that:
the utility model provides a split type strenghthened type balance shaft mechanism, it realizes being connected and the linkage between balance shaft and the hydraulic pump transmission shaft through setting up the fork connecting piece, strengthens balance shaft and hydraulic pump transmission shaft's joint strength, improves overall structure's stability, makes balance shaft be difficult to damaged, is favorable to increase of service life.
Drawings
Fig. 1 is the structural schematic diagram of the split reinforced balance shaft mechanism of the utility model.
Fig. 2 is a structural sectional view taken along the plane a-a in fig. 1.
Fig. 3 is a schematic structural diagram of the middle balance shaft of the present invention.
Fig. 4 is a schematic diagram of the connection between the middle balance shaft and the hydraulic pump.
Fig. 5 is an enlarged view of region B in fig. 4.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "center", "lateral", "up", "down", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. "plurality" means two or more unless otherwise specified.
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, for example, be fixedly connected. Can also be detachably connected or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases for those skilled in the art.
Referring to fig. 1-5, a split reinforced balance shaft mechanism includes a jaw connector 1 for connection between a balance shaft 2 and a drive shaft 31 of a hydraulic pump 3.
The gear chamber cover 4 of the diesel engine is provided with a communication port 41, and the fork port connecting piece 1 is arranged on the communication port 41 and is in clearance fit with the communication port 41.
One end of the fork opening connecting piece 1 is provided with a balance shaft connecting opening 11, the other end is provided with a transmission shaft connecting groove 12, and the balance shaft connecting opening 11 and the transmission shaft connecting groove 12 are arranged oppositely.
The balance shaft connection port 11 is provided with an internal thread 13 having a size of M18 × 1.5 on an inner wall thereof, and the balance shaft 2 is provided with an external thread 21 having a size of M18 × 1.5 on one end thereof, and the end is screwed to the balance shaft connection port 11.
The hydraulic pump 3 is arranged on the gear chamber cover 4, and the transmission shaft 31 is a linear transmission shaft and extends into the communication port 41; the two end surfaces C1 and C2 in the transmission shaft 31 need surface quenching, and the hardness is between HR40 and 45. The transmission shaft connecting groove 12 is matched with the transmission shaft 31, the U-shaped processing shape is adopted, the length a of the U shape is 20mm, and the minimum thickness b from the transmission shaft connecting groove 12 to the two ends of the fork opening connecting piece 1 is ensured to be 6.5 mm. The transmission shaft 31 is inserted into the transmission shaft connecting groove 12, and the gap d between the transmission shaft 31 and the bottom of the transmission shaft connecting groove 12 is larger than or equal to 1.5 mm.
The utility model discloses a set up fork mouth connecting piece and realize being connected and the linkage between balanced axle and the hydraulic pump transmission shaft, strengthen balanced axle and hydraulic pump transmission shaft's joint strength, improve overall structure's stability, make the balanced axle be difficult to damaged, be favorable to increase of service life.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents, and all changes that can be made without inventive step are intended to be embraced therein.
Claims (4)
1. The utility model provides a balanced axle mechanism of split type strenghthened type which characterized in that: including the fork mouth connecting piece, the transmission shaft of balance shaft and hydraulic pump is connected to the fork mouth connecting piece, the one end of fork mouth connecting piece is equipped with the balance shaft connector, and the other end is equipped with the transmission shaft spread groove, the one end connection of balance shaft connector and balance shaft, the transmission shaft spread groove is connected with the transmission shaft.
2. The split reinforced balance shaft mechanism of claim 1, wherein: the inner wall of the balance shaft connecting port is provided with threads, the end parts of the balance shaft and the fork port connecting piece are provided with threads, and the end part of the balance shaft is in threaded connection with the balance shaft connecting port.
3. The split reinforced balance shaft mechanism of claim 1, wherein: the transmission shaft is a straight-line-shaped transmission shaft, the transmission shaft connecting groove is matched with the transmission shaft, and the transmission shaft is inserted into the transmission shaft connecting groove.
4. The split reinforced balance shaft mechanism of claim 3, wherein: the gear chamber cover of the diesel engine is provided with a communicating opening, and the fork opening connecting piece is arranged on the communicating opening and is in clearance fit with the communicating opening; the hydraulic pump is arranged on the gear chamber cover, and the transmission shaft extends into the communication port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020038598.4U CN211398424U (en) | 2020-01-09 | 2020-01-09 | Split type strenghthened type balance shaft mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020038598.4U CN211398424U (en) | 2020-01-09 | 2020-01-09 | Split type strenghthened type balance shaft mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211398424U true CN211398424U (en) | 2020-09-01 |
Family
ID=72211349
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020038598.4U Active CN211398424U (en) | 2020-01-09 | 2020-01-09 | Split type strenghthened type balance shaft mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211398424U (en) |
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2020
- 2020-01-09 CN CN202020038598.4U patent/CN211398424U/en active Active
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