CN211076099U - Light aluminum alloy double-torsion-bar overturning support - Google Patents
Light aluminum alloy double-torsion-bar overturning support Download PDFInfo
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- CN211076099U CN211076099U CN201922206766.6U CN201922206766U CN211076099U CN 211076099 U CN211076099 U CN 211076099U CN 201922206766 U CN201922206766 U CN 201922206766U CN 211076099 U CN211076099 U CN 211076099U
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- overturning support
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Abstract
The utility model relates to a light aluminum alloy double torsion bar overturning support which comprises a base part used for being connected with a frame; the torsion bar assembly comprises a stressed part used for assembling a torsion bar, wherein the stressed part is provided with a turnover shaft installation part and two torsion bar installation parts; and a connecting portion for connecting the base portion and the force receiving portion; a plurality of first lightening grooves are formed between the turnover shaft mounting part and the torsion bar mounting part, and first reinforcing ribs for connecting the turnover shaft mounting part and the torsion bar mounting part are formed between the adjacent first lightening grooves; and a plurality of second weight-reducing grooves are arranged on the lower side of the torsion bar mounting part of the stress part, are positioned on the first side surface of the stress part towards the extension direction of the torsion bar, and are basically triangular, so that inclined second reinforcing ribs are formed between the adjacent second weight-reducing grooves. The overturning support is lighter in weight and high in strength.
Description
Technical Field
The utility model relates to a upset support especially relates to a two torsion bar upset supports of lightweight aluminum alloy.
Background
In order to meet the requirements of engine maintenance, service and the like, the cab of most commercial trucks is connected with the frame through the turnover mechanism. For a dual torsion bar tilting mechanism, the torsion bar needs to preload the torsion force of cab tilting on the tilting support and lock with a locking mechanism. When the cab needs to be overturned, the locking mechanism is opened, and the torsion is released from the overturning support and is transmitted to the cab.
Therefore, the overturning support not only has the function of connecting the cab with the frame, but also provides torsional force for overturning the cab, and is a key safety structural member. Commercial car upset support generally is cast steel or sheet metal welding spare on the existing market, and cast steel weight is heavier, and the sheet metal welding spare leads to the structure limited because of weld forming. For example, chinese utility model patent publication No. CN207157320U, a double torsion bar truck cab tilting mechanism, discloses a cast steel tilting support structure. With the development of light weight of automobiles, a light-weight aluminum alloy double-torsion-bar overturning support with lighter weight and high strength is required.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that the current situation to prior art provides a lighter and high two torsion bar upset supports of lightweight aluminum alloy of intensity of weight.
The utility model provides a technical scheme that above-mentioned technical problem adopted does: the light aluminum alloy double-torsion-bar overturning support comprises a base part used for being connected with a frame; the torsion bar assembly comprises a stressed part used for assembling a torsion bar, wherein the stressed part is provided with a turnover shaft installation part and two torsion bar installation parts; and a connecting portion for connecting the base portion and the force receiving portion; be equipped with a plurality of first heavy grooves that subtract between trip shaft installation department and the torsion bar installation department, adjacent first subtract and form between the heavy groove and connect the first strengthening rib of trip shaft installation department and torsion bar installation department the downside of the torsion bar installation department of atress part is equipped with a plurality of second and subtracts heavy groove, just the second subtracts the heavy groove and is located the atress part is faced towards the first side of torsion bar extending direction, the second subtracts the heavy groove and is triangle-shaped basically, makes adjacently the second subtracts and forms the second strengthening rib of slope between the heavy groove.
In order to further strengthen the connection between the force receiving portion and the base portion, a third reinforcing rib is provided on a second side surface of the connecting portion opposite to the first side surface, one end of the third reinforcing rib extends toward the force receiving portion to be connected to the torsion bar mounting portion, and the other end of the third reinforcing rib extends toward the front end of the base portion.
Because the stress under the working state is mainly concentrated at the transition position of the stressed part and the connecting part, the thickness of the third reinforcing rib at the transition position of the stressed part and the connecting part is the largest, and the thickness of the third reinforcing rib gradually decreases towards the two ends. This structure can reduce the weight while strengthening the stress concentration.
In order to further strengthen the torsion bar mounting part and prevent the torsion bar mounting part from being crushed, deformed and the like, two third reinforcing ribs are arranged at intervals and are respectively connected with one torsion bar mounting part.
In order to reduce the height difference between the third reinforcing bead and the mounting table and reduce the stress concentration, two raised mounting tables for mounting the fixing members are provided on the connecting portion, the mounting tables being located on one side of the third reinforcing bead, respectively. The mounting table also facilitates machining.
In order to reduce the contact area with the vehicle frame and reduce vibration, two contact platforms for assembling with the vehicle frame are arranged on the other side of the connecting part, the contact platforms are arranged at intervals, and the fixing piece penetrates through the corresponding contact platforms to be assembled with the vehicle frame.
Since the stress in the operating state is mainly concentrated at the transition position of the force receiving portion and the connecting portion, the thickness of the connecting portion gradually decreases from the side close to the force receiving portion to the side close to the base portion.
In order to reduce weight and increase strength, five second weight reducing grooves are transversely arranged at intervals to form four second reinforcing ribs, and the adjacent second reinforcing ribs on two sides form an inverted V shape to respectively support one corresponding torsion bar mounting part. The arrangement of the second reinforcing rib can reinforce the torsion bar mounting part to prevent the torsion bar mounting part from generating problems such as deformation and crushing.
In order to have better strengthening effect, the extension line of the first reinforcing rib passes through the circle center of the overturning shaft mounting part.
In order to further reduce weight and have good strength, the first weight reduction grooves are transversely distributed at intervals. In order to further reduce weight, the first weight reduction groove is arranged on one side, opposite to the torsion bar, of the force bearing part and on the side, opposite to the torsion bar, of the force bearing part.
Compared with the prior art, the utility model has the advantages of: the utility model adopts aluminum alloy to replace the commonly used cast steel in the prior art, and is provided with the first weight reduction groove and the second weight reduction groove to further reduce the weight, and in addition, the first reinforcing rib is connected with the trip shaft mounting part and the torsion bar mounting part to strengthen the position with larger torque, thereby preventing the problems of crushing, deformation and the like of the trip shaft mounting part and the torsion bar mounting part; the second weight-reducing grooves are triangular to form inclined second reinforcing ribs which can simultaneously reinforce the transverse direction and the longitudinal direction, so that better reinforcing effect is obtained while weight is reduced; compared with a steel casting, the light aluminum alloy double-torsion-bar overturning support can reduce the weight by 50% compared with the steel casting while increasing the strength.
Drawings
Fig. 1 is a fitting structure of a double torsion bar turnover support and a torsion bar according to an embodiment of the present invention;
fig. 2 is a schematic structural view of a dual torsion bar overturning support according to an embodiment of the present invention;
fig. 3 is a schematic structural view of another angle of the dual torsion bar turnover support according to the embodiment of the present invention.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples.
As shown in fig. 1 to 3, the lightweight aluminum alloy double torsion bar overturning bracket comprises a base part 1 used for being connected with a vehicle frame; a force receiving portion 2 for mounting the torsion bar 2, the force receiving portion 2 being provided with a trip shaft mounting portion 21 and two torsion bar mounting portions 22; and a connecting portion 3 for connecting the base portion 1 and the force receiving portion 2, a plurality of first lightening grooves 23 are provided between the trip shaft mounting portion 21 and the torsion bar mounting portion 22, and first reinforcing ribs 24 connecting the trip shaft mounting portion 21 and the torsion bar mounting portion 22 are formed between adjacent first lightening grooves 23. In order to have a better reinforcing effect, the extension line of the first reinforcing bead 24 passes through the center of the turn shaft mounting portion 21. In order to reduce weight and have good strength, three first weight reducing grooves 23 are transversely distributed at intervals. For further weight reduction, the first weight reduction groove 23 is provided on both the side of the force receiving portion 2 opposite to the torsion bar 2 and the side opposite to the torsion bar 2.
A plurality of second lightening grooves 25 are provided on the lower side of the torsion bar mounting portion 22 of the force receiving portion 2, and the second lightening grooves 25 are located on a first side of the force receiving portion 2 toward the extending direction of the torsion bar 4, the second lightening grooves 25 being substantially triangular in shape such that inclined second reinforcing ribs 26 are formed between adjacent second lightening grooves 25. In order to reduce the weight and increase the strength, five second weight-reducing grooves 25 are provided at intervals in the lateral direction, so that four second reinforcing ribs 26 are formed, and the adjacent second reinforcing ribs 26 on both sides form an inverted V shape to support the corresponding one of the torsion bar mounting portions 22, respectively. The provision of the second beads 26 can reinforce the torsion bar mounting portion 22 against problems such as deformation and collapse.
In order to further strengthen the connection between the force receiving portion and the base portion, a third reinforcing rib 31 is provided on a second side surface of the connecting portion 3 opposite to the first side surface, one end of the third reinforcing rib 31 extends toward the force receiving portion 2 to be connected to the torsion bar mounting portion 22, and the other end of the third reinforcing rib 31 extends toward the front end of the base portion 1.
Since the stress in the operating state is mainly concentrated at the transition position of the force receiving portion 2 and the connecting portion 3, the thickness of the connecting portion 3 gradually decreases from the side close to the force receiving portion 2 to the side close to the base portion 1. To further strengthen the transition position, the third reinforcing bead 31 has the largest thickness at the transition position of the force receiving portion 2 and the connecting portion 3, and gradually decreases in thickness toward both ends. The above structure can reduce the weight while strengthening the stress concentration. In order to further reinforce the torsion bar mounting portion 22 against crushing, deformation, and the like, two third reinforcing ribs 31 are provided at intervals, and are connected to one torsion bar mounting portion 22, respectively.
In order to reduce the difference in height between the third reinforcing bead and the mounting platforms 33 and to reduce the stress concentration, two protruding mounting platforms 33 for fitting the fixing members are provided on the connecting portion 3, the mounting platforms 33 being located on the sides of the third reinforcing bead 31, respectively. The provision of the mounting table 33 also facilitates machining and improves the strength of the connection.
In order to reduce the contact area with the vehicle frame and reduce the vibration, two contact platforms 32 for assembling with the vehicle frame are provided at the other side of the connection portion 3, the contact platforms 32 are spaced apart, and the fixing member is assembled with the vehicle frame through the corresponding contact platform 32.
Compared with a steel casting, the light aluminum alloy double-torsion-bar overturning support can reduce the weight by 50% compared with the steel casting while increasing the strength.
The technical means disclosed by the scheme of the present invention is not limited to the technical means disclosed by the above embodiments, but also includes the technical scheme formed by the arbitrary combination of the above technical features. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, several improvements and modifications can be made, and these improvements and modifications are also considered as the protection scope of the present invention.
Claims (10)
1. A lightweight aluminum alloy double torsion bar overturning support comprises a base part (1) used for being connected with a vehicle frame; the torsion bar assembling device comprises a stress part (2) for assembling a torsion bar, wherein the stress part (2) is provided with a turnover shaft mounting part (21) and two torsion bar mounting parts (22); and a connecting portion (3) for connecting the base portion (1) and the force receiving portion (2), characterized in that: a plurality of first lightening grooves (23) are formed between the turnover shaft mounting part (21) and the torsion bar mounting part (22), and first reinforcing ribs (24) for connecting the turnover shaft mounting part (21) and the torsion bar mounting part (22) are formed between the adjacent first lightening grooves (23);
a plurality of second lightening grooves (25) are formed in the lower side of the torsion bar mounting portion (22) of the stress portion (2), the second lightening grooves (25) are located on a first side face, facing the extension direction of the torsion bar (4), of the stress portion (2), and the second lightening grooves (25) are basically triangular, so that inclined second reinforcing ribs (26) are formed between the adjacent second lightening grooves (25).
2. The double torsion bar overturning support of lightweight aluminum alloy according to claim 1, wherein: and a third reinforcing rib (31) is arranged on a second side surface, opposite to the first side surface, of the connecting part (3), one end of the third reinforcing rib (31) extends towards the stress part (2) so as to be connected with the torsion bar mounting part (22), and the other end of the third reinforcing rib (31) extends towards the front end of the base part (1).
3. The double torsion bar overturning support of lightweight aluminum alloy according to claim 2, wherein: the third reinforcing rib (31) has the largest thickness at the transition position of the stress part (2) and the connecting part (3) and gradually reduces the thickness towards both ends.
4. The double torsion bar overturning support of lightweight aluminum alloy according to claim 3, wherein: two third reinforcing ribs (31) are arranged at intervals and are respectively connected with one torsion bar mounting part (22).
5. The double torsion bar overturning support of lightweight aluminum alloy according to claim 3, wherein: two raised mounting platforms (33) for mounting the fixing piece are arranged on the connecting part (3), and the mounting platforms (33) are respectively positioned on one side of the third reinforcing rib (31).
6. The double torsion bar overturning support of lightweight aluminum alloy according to claim 5, wherein: two contact platforms (32) for assembling with the vehicle frame are arranged on the other side of the connecting part (3), the contact platforms (32) are arranged at intervals, and the fixing piece penetrates through the corresponding contact platforms (32) to be assembled with the vehicle frame.
7. The double torsion bar overturning support of lightweight aluminum alloy according to claim 2, wherein: the thickness of the connecting part (3) is gradually reduced from one side close to the stressed part (2) to one side close to the base part (1).
8. The double torsion bar overturning support of lightweight aluminum alloy according to any one of claims 1 to 7, wherein: five second lightening grooves (25) are arranged at intervals in the transverse direction to form four second reinforcing ribs (26), and the adjacent second reinforcing ribs (26) on two sides form an inverted V shape to respectively support one corresponding torsion bar mounting portion (22).
9. The double torsion bar overturning support of lightweight aluminum alloy according to any one of claims 1 to 7, wherein: the extension line of the first reinforcing rib (24) passes through the circle center of the overturning shaft mounting part (21).
10. The double torsion bar overturning support of lightweight aluminum alloy according to claim 9, wherein: three first weight-reducing grooves (23) are transversely distributed at intervals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922206766.6U CN211076099U (en) | 2019-12-10 | 2019-12-10 | Light aluminum alloy double-torsion-bar overturning support |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922206766.6U CN211076099U (en) | 2019-12-10 | 2019-12-10 | Light aluminum alloy double-torsion-bar overturning support |
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| CN211076099U true CN211076099U (en) | 2020-07-24 |
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| CN201922206766.6U Active CN211076099U (en) | 2019-12-10 | 2019-12-10 | Light aluminum alloy double-torsion-bar overturning support |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110789622A (en) * | 2019-12-10 | 2020-02-14 | 诸城航大新材料技术有限公司 | Light aluminum alloy double-torsion-bar overturning support |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110789622A (en) * | 2019-12-10 | 2020-02-14 | 诸城航大新材料技术有限公司 | Light aluminum alloy double-torsion-bar overturning support |
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