CN214324834U - Balance shaft support assembly - Google Patents
Balance shaft support assembly Download PDFInfo
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- CN214324834U CN214324834U CN202120208894.9U CN202120208894U CN214324834U CN 214324834 U CN214324834 U CN 214324834U CN 202120208894 U CN202120208894 U CN 202120208894U CN 214324834 U CN214324834 U CN 214324834U
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- balance shaft
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- balance
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Abstract
The utility model provides a balance shaft bracket assembly, which comprises a balance shaft bracket, a balance shaft and a balance shaft connecting pin; the balance shaft bracket comprises a balance shaft mounting part; the balance shaft mounting part is provided with a balance shaft mounting through hole; the balance shaft mounting through hole is radially provided with a pin shaft mounting hole; the balance shaft is positioned and fixed through the pin shaft mounting hole and the balance shaft connecting pin; one end of the balance shaft, which is arranged in the balance shaft installation through hole, is circumferentially provided with a circle of pin shaft limiting grooves; the balance shaft connecting pin adopts a hot pier pin, and is driven into the pin shaft mounting hole after passing through a high-temperature hot pier; the tail end of the balance shaft connecting pin is embedded into the pin shaft limiting groove in a matching mode, so that the balance shaft is positioned and fixed in the balance shaft mounting through hole. The utility model has the advantages of simple and reasonable design, assembly easy operation, high efficiency, the assembly is firm reliable, can effectively reduce workman fatigue strength, can improve assembly efficiency and assembly quality again, reduction in production cost.
Description
Technical Field
The utility model relates to an automobile spare and accessory part makes technical field, concretely relates to balance shaft support assembly.
Background
The balance shaft bracket assembly is widely applied to heavy-duty automobiles, is a key part of the heavy-duty automobiles, is used for elastically connecting an axle with a frame, controlling the bounce of a middle rear axle by using the balance shaft and balancing and distributing the bearing of the middle rear axle, and has the functions of guiding, buffering and damping. As shown in fig. 4, the existing balance shaft bracket assembly includes a balance shaft bracket 01, a balance shaft 02 and a cold-pressed connecting pin 03; a balance shaft mounting through hole is formed in the balance shaft mounting part of the balance shaft support 01 in a penetrating manner along the horizontal direction, and a pin shaft mounting hole is formed in the upper hole wall of the balance shaft mounting through hole in a penetrating manner along the radial direction; after the balance shaft 02 is subjected to finish machining by a turning machine tool and is installed in a balance shaft installation through hole of a balance shaft support 01 in advance, a drill bit of the rocker drilling equipment is adjusted by a rocker drilling equipment and then is aligned to a pin shaft installation hole of the balance shaft support 01, a pin shaft positioning hole which is matched with the pin shaft installation hole of the balance shaft support 01 and corresponds to the pin shaft installation hole of the balance shaft support 01 is drilled in the radial direction of the balance shaft 02 by the drill bit penetrating through the pin shaft installation hole of the balance shaft support 01, after drilling, the drill bit of the rocker drilling equipment is withdrawn, and cold pressing connecting pins 03 are sequentially drilled into the pin shaft installation hole and the pin shaft positioning hole so as to position and install the balance shaft 02 on the balance shaft support 01. The balance shaft bracket assembly has certain defects in structural design, so that when the balance shaft bracket assembly is assembled, a rocker arm drill device needs to be independently assembled at each assembling station, the assembly site space is occupied, the operation is inconvenient, the operation space during the assembly of workers is influenced, the assembly cost of the balance shaft bracket assembly is increased, meanwhile, the operation procedure is complicated, the fatigue strength of the workers is improved, and the assembly efficiency of products is seriously influenced; in addition, scrap iron can be splashed when the rocker arm drilling equipment drills in an assembly site, so that certain potential safety hazards are caused to assembly workers, the assembly environment is polluted, and the assembly quality of the balance shaft support assembly can be influenced; and because balance shaft 02 adopts cold pressing connecting pin 03 and balance shaft support 01 to fix a position fixedly, to cold pressing the round pin axle mounting hole on connecting pin 03 and the balance shaft support 01, the cooperation size requirement between the round pin axle locating hole on the balance shaft 02 is high in actual processing and installation, need to beat the cold pressing connecting pin 03 greatly during the installation can be with cold pressing connecting pin 03 for the whole entering, fairly waste time and energy, seriously influenced production efficiency, increased manufacturing cost.
In view of the foregoing, further improvements in the prior art are needed.
Disclosure of Invention
To the problem that exists among the above-mentioned background art, the utility model provides a structural design is simple, reasonable, assembly easy operation, high efficiency, and the assembly is firm reliable, can effectively reduce workman fatigue strength, can improve assembly efficiency and assembly quality again, reduction in production cost's balance shaft support assembly.
In order to solve the above technical problem, the utility model provides a balance shaft bracket assembly, which comprises a balance shaft bracket, a balance shaft and a balance shaft connecting pin; the balance shaft support comprises a balance shaft mounting part; the balance shaft mounting part is provided with a balance shaft mounting through hole along the horizontal direction in a matching and penetrating way; the hole wall of one side of the balance shaft mounting through hole is radially provided with a pin shaft mounting hole in a matching and penetrating way; one end of the balance shaft is installed in the balance shaft installation through hole in a matching manner and is matched with the balance shaft connection pin through the pin shaft installation hole for positioning and fixing; one end of the balance shaft, which is arranged in the balance shaft installation through hole, is circumferentially provided with a circle of pin shaft limiting groove; the groove width of the pin shaft limiting groove is the same as the aperture of the balance shaft mounting through hole; after the balance shaft is arranged in the balance shaft mounting through hole, the pin shaft mounting hole is matched with a notch right opposite to the pin shaft limiting groove; the balance shaft connecting pin is a hot pier pin and is driven into the pin shaft mounting hole after passing through a high-temperature hot pier; the tail end of the balance shaft connecting pin is embedded into the pin shaft limiting groove in a matching mode, so that the balance shaft is positioned and fixed in the balance shaft mounting through hole.
Preferably, the upper hole wall of the balance shaft mounting through hole close to the outer side of the balance shaft mounting part is radially provided with the pin shaft mounting hole in a matching and penetrating manner.
Preferably, the balance shaft support is of an integrated structure and further comprises a lower mounting part, a hub mounting part and an upper mounting part; the lower mounting part is assembled and connected with the auxiliary beam of the frame and the thrust rod; the hub mounting part is assembled and connected with a vehicle hub; and the lower mounting part is assembled and connected with the auxiliary beam of the frame and the thrust rod.
Preferably, the balance shaft mounting part is positioned at the middle upper part of the balance shaft bracket; the balance shaft mounting through hole is communicated with the middle part of the balance shaft mounting part along the horizontal direction.
Adopt above-mentioned technical scheme, the utility model discloses following beneficial effect has:
the utility model discloses balance shaft support assembly structural design is simple, it is reasonable, through redesign to the structure of balance shaft, namely, the round pin axle spacing recess has been seted up along circumference in the one end that the balance shaft was installed in balance shaft installation through-hole, the design of this round pin axle spacing recess can make the balance shaft turn the shaping together on same equipment at the finish machining of turning, do not need to adopt other equipment again to carry out processes such as two processing drilling at the assembly scene, namely space and sanitation requirement at the assembly scene have been guaranteed, product assembly quality has also been improved, machining process and processing equipment use have still been reduced, when showing and improving product assembly efficiency, product manufacturing cost has still been showing and reduced; because the pin shaft limiting groove is a circle of annular groove which is formed along the circumferential direction, when a worker installs the balance shaft into the balance shaft mounting through hole, the accurate alignment of the pin shaft mounting hole on the balance shaft bracket and the pin shaft limiting groove can be ensured only by axially adjusting in place, and the balance shaft connecting pin can be installed; furthermore, in the balance shaft connecting pin adopted hot mound round pin to beat into round pin axle mounting hole and round pin axle spacing recess promptly through the hot mound of high temperature after, compare original cold pressing connecting pin, it is easy relatively that hot mound round pin will beat into the installation to hot mound round pin is also better beating into the fixed effect of cooling back, can be firmly reliable be fixed in balance shaft mounting hole with the balance shaft location, has improved product assembly quality.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments or the description in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of a balance shaft bracket assembly of the present invention;
fig. 2 is a schematic structural view of a balance shaft bracket of the balance shaft bracket assembly of the present invention;
fig. 3 is a schematic structural view of a balance shaft of the balance shaft support assembly of the present invention;
fig. 4 is a schematic structural diagram of an original balance shaft bracket assembly.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "middle", "upper", "lower", "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 simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted" and "connected" and the like are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally 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.
The present invention will be further explained with reference to specific embodiments.
As shown in fig. 1, the balance shaft bracket assembly according to the present embodiment includes a balance shaft bracket 1, a balance shaft 2, and a balance shaft connecting pin 3.
The balance shaft bracket 1 is an integrated structure, and includes a lower mounting portion 11, a balance shaft mounting portion 12, a hub mounting portion 13, and an upper mounting portion 14. The lower mounting part 11 is provided with a lower mounting hole in a matching way and is matched with a fastener to be assembled and connected with the auxiliary beam of the frame and the thrust rod through the lower mounting hole; a balance shaft mounting through hole 121 is formed in the middle of the balance shaft mounting part 12 in a matching and penetrating manner along the horizontal direction, and a pin shaft mounting hole 122 is formed in the upper hole wall of the balance shaft mounting through hole 121 close to the outer side of the balance shaft mounting part 12 in a matching and penetrating manner along the radial direction; the hub mounting part 13 is provided with a plurality of hub mounting holes 131 in a matching way and is assembled and connected with the vehicle hub through the hub mounting holes 131; the upper mounting portion 14 is assembled and connected to the side and bottom surfaces of the longitudinal frame member by fasteners.
The balance shaft 2 is arranged in a balance shaft mounting through hole 121 of a balance shaft mounting part 12 of the balance shaft bracket 1 in a matching manner, and is of an integral structure, and a circle of pin shaft limiting groove 21 is formed in one end, mounted with the balance shaft mounting part 12, along the circumferential direction; the width of the pin shaft limiting groove 21 is the same as the aperture of the balance shaft mounting through hole 121 of the balance shaft mounting part 12 of the balance shaft bracket 1; after the balance shaft 2 is matched and installed in the balance shaft installation through hole 121 of the balance shaft installation part 12 of the balance shaft bracket 1, the pin shaft installation hole 122 is matched and aligned with the notch of the pin shaft limiting groove 21.
The balance shaft connecting pin 3 adopts a hot pier pin, namely, the balance shaft connecting pin is knocked and inserted into the pin shaft mounting hole 122 of the balance shaft mounting part 12 of the balance shaft bracket 1 by a knocking tool after passing through a high-temperature hot pier in advance, and the tail end of the balance shaft connecting pin 3 is matched and embedded into the pin shaft limiting groove 21; the balance shaft 2 is positioned and fixed in the pin shaft mounting hole 122 of the balance shaft mounting part 12 of the balance shaft bracket 1 by the balance shaft connecting pin 3.
The utility model has the advantages of simple and reasonable design, assembly easy operation, high efficiency, the assembly is firm reliable, can effectively reduce workman fatigue strength, can improve assembly efficiency and assembly quality again, reduction in production cost.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (4)
1. A balance shaft bracket assembly includes a balance shaft bracket, a balance shaft, and a balance shaft connecting pin; the balance shaft support comprises a balance shaft mounting part; the balance shaft mounting part is provided with a balance shaft mounting through hole along the horizontal direction in a matching and penetrating way; the hole wall of one side of the balance shaft mounting through hole is radially provided with a pin shaft mounting hole in a matching and penetrating way; one end of the balance shaft is installed in the balance shaft installation through hole in a matching manner and is matched with the balance shaft connection pin through the pin shaft installation hole for positioning and fixing; the method is characterized in that: one end of the balance shaft, which is arranged in the balance shaft installation through hole, is circumferentially provided with a circle of pin shaft limiting groove; the groove width of the pin shaft limiting groove is the same as the aperture of the balance shaft mounting through hole; after the balance shaft is arranged in the balance shaft mounting through hole, the pin shaft mounting hole is matched with a notch right opposite to the pin shaft limiting groove;
the balance shaft connecting pin is a hot pier pin and is driven into the pin shaft mounting hole after passing through a high-temperature hot pier; the tail end of the balance shaft connecting pin is embedded into the pin shaft limiting groove in a matching mode, so that the balance shaft is positioned and fixed in the balance shaft mounting through hole.
2. The balance shaft bracket assembly of claim 1 wherein: and the upper hole wall of the balance shaft mounting through hole close to the outer side of the balance shaft mounting part is provided with the pin shaft mounting hole along the radial direction in a matching and penetrating way.
3. The balance shaft bracket assembly of claim 1 wherein: the balance shaft support is of an integrated structure and further comprises a lower mounting part, a hub mounting part and an upper mounting part; the lower mounting part is assembled and connected with the auxiliary beam of the frame and the thrust rod; the wheel hub installation part is connected with a vehicle wheel hub in an assembling mode.
4. The balance shaft bracket assembly of claim 1 wherein: the balance shaft mounting part is positioned at the middle upper part of the balance shaft bracket; the balance shaft mounting through hole is communicated with the middle part of the balance shaft mounting part along the horizontal direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120208894.9U CN214324834U (en) | 2021-01-26 | 2021-01-26 | Balance shaft support assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120208894.9U CN214324834U (en) | 2021-01-26 | 2021-01-26 | Balance shaft support assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214324834U true CN214324834U (en) | 2021-10-01 |
Family
ID=77906565
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120208894.9U Active CN214324834U (en) | 2021-01-26 | 2021-01-26 | Balance shaft support assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214324834U (en) |
-
2021
- 2021-01-26 CN CN202120208894.9U patent/CN214324834U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Balance shaft bracket assembly Effective date of registration: 20221020 Granted publication date: 20211001 Pledgee: Bank of China Limited by Share Ltd. Shiyan branch Pledgor: SHIYAN HEJUN INDUSTRIAL Co.,Ltd. Registration number: Y2022980019105 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |