Left front spring rear support of heavy truck

Abstract

The utility model belongs to the technical field of lorry parts, and discloses a left front spring rear support of a heavy truck. According to the specific technical scheme, the platform comprises a first platform body and a second platform body which are connected through a first support, a first side wing is arranged at one end of the first platform body, a second side wing is arranged at the other end of the first platform body, and one side of the first platform body is connected with one side of the second platform body through a second reinforcing rib; the other side of the first platform is connected with the other side of the second platform through a third reinforcing rib, a second support is fixed to the top of the first platform, a first lightening hole is formed in the middle of the second support, first reinforcing ribs are arranged on the periphery of the first lightening hole, a third support is fixed to the bottom of the second platform, and a first lightening groove is formed in the third support. The middle part of the first bracket is provided with a second weight-reducing groove, and the second weight-reducing groove is arranged at the bottom of the first bracket, the whole design is reasonable, the installation space of the whole bracket is reduced, the weight of the whole structure is reduced, and the cost is saved.

Description

Technical Field

[0001] The utility model belongs to the technical field of truck parts, and in particular relates to a left front spring rear bracket of a heavy truck. Background Art

[0002] On heavy-duty trucks in mining areas, the left front spring rear bracket is an important component of the heavy-duty truck. It is used to connect the shock-absorbing spring system and the double-layer reinforced frame. Due to the actual use, it is easy to form resonance and breakage due to reasons such as vehicle overload and poor road conditions. The quality of this part has an important impact on normal safety and stability. The current product structure is heavy, the structural design is not reasonable, and the mechanical properties are poor, which makes it difficult to meet the needs of lightweight heavy-duty trucks. Utility Model Content

[0003] In order to solve the technical problems existing in the prior art, the utility model provides a left front spring rear bracket for a heavy truck, which has reasonable structural design, light weight and low cost.

[0004] To achieve the above purpose, the technical solution adopted by the utility model is: a heavy truck left front spring rear bracket, including a first platform and a second platform, the first platform is arranged above the second platform, and the first platform and the second platform are connected by a first bracket.

[0005] The width of the first platform is greater than that of the second platform. A first side wing is provided at one end of the first platform, a first boss is provided on the first side wing, the first boss extends to the outside of the second platform, the outer corner of the first boss is rounded, and a first through hole is provided on the first boss; a second side wing is provided at the other end of the first platform, a second boss is provided on the second side wing, the second boss extends to the outside of the second platform, the outer corner of the second boss is rounded, and a second through hole is provided on the second boss; a third boss is provided in the middle of the first platform, the third boss is placed between the first boss and the second boss, and a third through hole is provided on the third boss. The front end of the first platform is connected to the first boss through an inwardly concave arc segment, and the front end of the first platform is connected to the second boss through an inwardly concave arc segment.

[0006] A second bracket is fixed on the top of the first platform, a first weight-reducing hole is provided in the middle of the second bracket, the first weight-reducing hole is arranged along the structure of the second bracket, the third boss is placed in the first weight-reducing hole, the second bracket is provided with a fourth boss, the fourth boss is provided with a fourth through hole, the second bracket is provided with a fifth boss, the fifth boss is placed above the fourth boss, the fifth boss is provided with a fifth through hole, the second bracket is provided with a sixth boss, the sixth boss is provided with a sixth through hole, the second bracket is provided with a seventh boss, the seventh boss is placed below the sixth boss, and the seventh boss is provided with a seventh through hole.

[0007] The first bracket is provided with a first inclined plate, the first inclined plate is provided with an eighth boss, the eighth boss is provided with an eighth through hole, the first inclined plate is provided with a ninth boss, the ninth boss is provided with a ninth through hole, and the ninth boss is arranged lower than the eighth boss; the eighth boss and the ninth boss are connected by an inwardly concave arc-shaped connecting section; the first bracket is provided with a second inclined plate, the first inclined plate and the second inclined plate are arranged on both sides of the first bracket, the second inclined plate is provided with a tenth boss, and the tenth boss is provided with a tenth through hole.

[0008] An eleventh boss is provided on the first bracket, and the eleventh boss is arranged at the front end of the first bracket. An eleventh through hole is opened on the eleventh boss. A first opening connected to the eleventh through hole is provided at the bottom of the eleventh boss, and the aperture of the eleventh through hole is adjustable; a locking hole is provided at the bottom of the first bracket, and the locking hole is arranged perpendicular to the eleventh through hole, and the locking hole crosses through the clamps on both sides of the first opening.

[0009] A first reinforcing rib is disposed on the back of the second bracket, and the first reinforcing rib is arranged around the outer circle of the first weight-reducing hole to ensure the structural strength of the first weight-reducing hole.

[0010] A third bracket is fixed to the bottom of the second platform. The third bracket is arranged at the rear end of the second platform. A twelfth boss is provided on the third bracket. A twelfth through hole is opened on the twelfth boss.

[0011] The third bracket is provided with a first weight-reducing groove, the first weight-reducing groove is arranged along the structure of the third bracket, and the first weight-reducing groove is placed above the twelfth through hole.

[0012] A second weight-reducing groove is provided in the middle of the first bracket, and the second weight-reducing groove is disposed at the bottom of the first bracket.

[0013] The first platform is connected to the second platform via a second reinforcing rib, the second reinforcing rib is disposed between the eighth boss and the ninth boss, and the first platform is connected to the second platform via a third reinforcing rib.

[0014] The fourth boss is connected to the fifth boss via a first inwardly concave arc segment, the fifth boss is connected to the sixth boss via a second inwardly concave arc segment, and the sixth boss is connected to the seventh boss via a third inwardly concave arc segment.

[0015] The inner corners of the first lightening hole are rounded to avoid stress concentration.

[0016] Compared with the prior art, the utility model has the following beneficial effects:

[0017] 1. The overall design of the utility model is reasonable, which reduces the installation space of the entire front spring and rear bracket. Under the premise of ensuring the mechanical stability of the entire structure, the weight of the entire structure is reduced by arranging weight-reducing holes and weight-reducing grooves at different positions, thereby saving costs.

[0018] Second, the utility model arranges the concave arc-shaped connecting sections between different bosses, thereby ensuring the overall structural strength, further reducing the overall weight and reducing the installation space.

[0019] 3. The utility model arranges a plurality of reinforcing ribs, and compared with the traditional integral cylindrical casting structure, the unit weight is further reduced after optimization.

[0020] Fourth, the utility model integrates the assembly function of the Yuanbao beam on the rear bracket, and the overall integrated molding is convenient and fast during installation and maintenance, and the weight reduction effect is good. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a three-dimensional diagram of the utility model.

[0022] Figure 2 It is the front view of the utility model.

[0023] Figure 3 It is a rear view of the utility model.

[0024] Figure 4 It is a left view of the utility model.

[0025] Figure 5 It is a top view of the utility model.

[0026] Figure 6 It is a bottom view of the utility model.

[0027] In the figure, 1 is the first platform, 11 is the first wing, 12 is the first boss, 13 is the first through hole, 14 is the second wing, 15 is the second boss, 16 is the second through hole, 17 is the third boss, 18 is the third through hole, 2 is the second platform, 21 is the first inclined plate, 22 is the eighth boss, 23 is the eighth through hole, 24 is the ninth boss, 25 is the ninth through hole, 26 is the second inclined plate, 27 is the tenth boss, 28 is the tenth through hole, 3 is the first bracket, 31 is the eleventh boss, 32 is the eleventh through hole, 33 is the first opening, 34 is the locking hole, 35 is The second reinforcing rib, 36 is the third reinforcing rib, 37 is the second weight-reducing groove, 4 is the second bracket, 401 is the first weight-reducing hole, 402 is the fourth boss, 403 is the fourth through hole, 404 is the fifth boss, 405 is the fifth through hole, 406 is the sixth boss, 407 is the sixth through hole, 408 is the seventh boss, 409 is the seventh through hole, 410 is the first reinforcing rib, 411 is the first arc segment, 412 is the second arc segment, 413 is the third arc segment, 5 is the third bracket, 51 is the twelfth boss, 52 is the twelfth through hole, and 53 is the first weight-reducing groove. DETAILED DESCRIPTION

[0028] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0029] like Figure 1-6 As shown, a left front spring rear bracket of a heavy truck includes a first platform 1 and a second platform 2. The first platform 1 is arranged above the second platform, and the first platform 1 and the second platform 2 are connected by a first bracket 3.

[0030] The width of the first platform 1 is greater than that of the second platform 2. A first side wing 11 is provided at one end of the first platform 1. A first boss 12 is provided on the first side wing 11. The first boss 12 extends to the outside of the second platform 2. The outer corner of the first boss 12 is rounded. A first through hole 13 is provided on the first boss 12. A second side wing 14 is provided at the other end of the first platform 1. A second boss 15 is provided on the second side wing 14. The second boss 15 extends to the outside of the second platform 2. The outer corner of the second boss 15 is rounded. A second through hole 16 is provided on the second boss 15. A third boss 17 is provided in the middle of the first platform 1. The third boss 17 is placed between the first boss 12 and the second boss 15. A third through hole 18 is provided on the third boss 17. The front end of the first platform 1 is connected to the first boss 12 through an inwardly concave arc segment, and the front end of the first platform 1 is connected to the second boss 15 through an inwardly concave arc segment.

[0031] A second bracket 4 is fixed to the top of the first platform 1, and a first weight-reducing hole 401 is provided in the middle of the second bracket 4. The first weight-reducing hole 401 is arranged along the structure of the third bracket 5, and the third boss 17 is placed in the first weight-reducing hole 401. A fourth boss 402 is provided on the second bracket 4, and a fourth through hole 403 is provided on the fourth boss 402. A fifth boss 404 is provided on the second bracket 4, and the fifth boss 404 is placed above the fourth boss 402. A fifth through hole 405 is provided on the fifth boss 404. A sixth boss 406 is provided on the second bracket 4, and a sixth through hole 407 is provided on the sixth boss 406. A seventh boss 408 is provided on the second bracket 4, and the seventh boss 408 is placed below the sixth boss 406. A seventh through hole 409 is provided on the seventh boss 408.

[0032] The first bracket 3 is provided with a first inclined plate 21, the first inclined plate 21 is provided with an eighth boss 22, the eighth boss 22 is provided with an eighth through hole 23, the first inclined plate 21 is provided with a ninth boss 24, the ninth boss 24 is provided with a ninth through hole 25, and the ninth boss 24 is arranged lower than the eighth boss 22; the eighth boss 22 is connected to the ninth boss 24 by an inwardly concave arc-shaped connecting section; the first bracket 3 is provided with a second inclined plate 26, the first inclined plate 21 and the second inclined plate 26 are arranged on both sides of the first bracket 3, the second inclined plate 26 is provided with a tenth boss 27, and the tenth boss 27 is provided with a tenth through hole 28.

[0033] An eleventh boss 31 is provided on the first bracket 3, and the eleventh boss 31 is arranged at the front end of the first bracket 3. An eleventh through hole 32 is opened on the eleventh boss 31. A first opening 33 connected to the eleventh through hole 32 is provided at the bottom of the eleventh boss 31, and the aperture of the eleventh through hole 32 is adjustable; a locking hole 34 is provided at the bottom of the first bracket 3, and the locking hole 34 is arranged perpendicular to the eleventh through hole 32, and the locking hole 34 crosses the clamps on both sides of the first opening 33.

[0034] A first reinforcing rib 410 is disposed on the back of the second bracket 4 . The first reinforcing rib 410 is arranged around the outer circle of the first lightening hole 401 to ensure the structural strength of the first lightening hole 401 .

[0035] A third bracket 5 is fixed to the bottom of the second platform 2 . The third bracket 5 is arranged at the rear end of the second platform 2 . A twelfth boss 51 is provided on the third bracket 5 . A twelfth through hole 52 is formed on the twelfth boss 51 .

[0036] The third bracket 5 is provided with a first weight-reducing groove 53 . The first weight-reducing groove 53 is arranged along the structure of the third bracket 5 . The first weight-reducing groove 53 is placed above the twelfth through hole 52 .

[0037] A second weight-reducing groove 37 is provided in the middle of the first bracket 3 , and the second weight-reducing groove 37 is disposed at the bottom of the first bracket 3 .

[0038] The first platform 1 and the second platform 2 are connected via a second reinforcing rib 35 , the second reinforcing rib 35 is disposed between the eighth boss 22 and the ninth boss 24 , and the first platform 1 and the second platform 2 are connected via a third reinforcing rib 36 .

[0039] The fourth boss 402 is connected to the fifth boss 404 via a concave first arc segment 411 , the fifth boss 404 is connected to the sixth boss 406 via a concave second arc segment 412 , and the sixth boss 406 is connected to the seventh boss 408 via a concave third arc segment 413 .

[0040] The inner corners of the first lightening holes 401 are all rounded to avoid stress concentration.

[0041] This bracket is made of high manganese steel, and the safety factor is increased by 36%.

[0042] During the installation process, the bolt passes through the fourth through hole 403 and is connected to the double-layer reinforced frame and is locked by a nut, the bolt passes through the fifth through hole 405 and is connected to the double-layer reinforced frame and is locked by a nut, the bolt passes through the sixth through hole 407 and is connected to the double-layer reinforced frame and is locked by a nut, the bolt passes through the seventh through hole 409 and is connected to the double-layer reinforced frame and is locked by a nut; the bolt passes through the eighth through hole 23 and is connected to the Yuanbao beam and is locked by a nut, the bolt passes through the ninth through hole 25 and is connected to the Yuanbao beam and is locked by a nut, the bolt passes through the tenth through hole 28 and is connected to the Yuanbao beam and is locked by a nut; the shock-absorbing spring system is respectively connected to the eleventh through hole 32 and the twelfth through hole 52 through a connecting shaft. The utility model is respectively connected to the double-layer reinforced frame, the Yuanbao crossbeam, and the shock-absorbing spring system, and one middle piece simultaneously connects multiple components, with a high degree of integration, low cost, and greatly reduced weight, and can be widely promoted and applied.

[0043] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention shall be included in the scope of the present invention.

Claims

1. A heavy truck left front spring rear bracket, characterized in that: It comprises a first platform (1) and a second platform (2), wherein the first platform (1) is arranged above the second platform, and the first platform (1) and the second platform (2) are connected via a first bracket (3); A first side wing (11) is provided at one end of the first platform (1), a first boss (12) is provided on the first side wing (11), a first through hole (13) is provided on the first boss (12), a second side wing (14) is provided at the other end of the first platform (1), a second boss (15) is provided on the second side wing (14), a second through hole (16) is provided on the second boss (15), a third boss (17) is provided in the middle of the first platform (1), a third through hole (18) is provided on the third boss (17); A second bracket (4) is fixed on the top of the first platform (1), a first weight-reducing hole (401) is provided in the middle of the second bracket (4), a fourth boss (402) is provided on the second bracket (4), a fourth through hole (403) is provided on the fourth boss (402), a fifth boss (404) is provided on the second bracket (4), a fifth through hole (405) is provided on the fifth boss (404), a sixth boss (406) is provided on the second bracket (4), a sixth through hole (407) is provided on the sixth boss (406), a seventh boss (408) is provided on the seventh boss (408), and a seventh through hole (409) is provided on the seventh boss (408); The first bracket (3) is provided with a first inclined plate (21), the first inclined plate (21) is provided with an eighth boss (22), the eighth boss (22) is provided with an eighth through hole (23), the first inclined plate (21) is provided with a ninth boss (24), the ninth boss (24) is provided with a ninth through hole (25), the first bracket (3) is provided with a second inclined plate (26), the second inclined plate (26) is provided with a tenth boss (27), the tenth boss (27) is provided with a tenth through hole (28); An eleventh boss (31) is provided on the first bracket (3), an eleventh through hole (32) is formed on the eleventh boss (31), a first opening (33) connected to the eleventh through hole (32) is provided at the bottom of the eleventh boss (31), a locking hole (34) is provided at the bottom of the first bracket (3), and the locking hole (34) is arranged perpendicular to the eleventh through hole (32); The back of the second bracket (4) is provided with a first reinforcing rib (410), and the first reinforcing rib (410) is arranged around the outer circle of the first weight-reducing hole (401); A third bracket (5) is fixed to the bottom of the second platform (2), a twelfth boss (51) is provided on the third bracket (5), and a twelfth through hole (52) is formed on the twelfth boss (51).

2. A heavy truck left front spring rear bracket according to claim 1, characterized in that: The third bracket (5) is provided with a first weight-reducing groove (53).

3. A heavy truck left front spring rear bracket according to claim 1, characterized in that: A second weight-reducing groove (37) is provided in the middle of the first bracket (3).

4. A heavy truck left front spring rear bracket according to claim 1, characterized in that: The first platform (1) and the second platform (2) are connected via a second reinforcing rib (35), and the first platform (1) and the second platform (2) are connected via a third reinforcing rib (36).

5. The heavy truck left front spring rear bracket according to claim 1, characterized in that: The fourth boss (402) and the fifth boss (404) are connected via a first arc segment (411), the fifth boss (404) and the sixth boss (406) are connected via a second arc segment (412), and the sixth boss (406) and the seventh boss (408) are connected via a third arc segment (413).

6. The heavy truck left front spring rear bracket according to claim 1, characterized in that: The inner corners of the first weight-reducing holes (401) are all rounded.

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