CN112550461A - Heavy truck tractor type frame and heavy truck tractor - Google Patents
Heavy truck tractor type frame and heavy truck tractor Download PDFInfo
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- CN112550461A CN112550461A CN202011544154.9A CN202011544154A CN112550461A CN 112550461 A CN112550461 A CN 112550461A CN 202011544154 A CN202011544154 A CN 202011544154A CN 112550461 A CN112550461 A CN 112550461A
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- 230000003014 reinforcing effect Effects 0.000 claims description 25
- 230000002787 reinforcement Effects 0.000 claims description 12
- 229910000838 Al alloy Inorganic materials 0.000 claims description 8
- 230000017525 heat dissipation Effects 0.000 abstract description 5
- 230000002349 favourable effect Effects 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 1
- 210000001015 abdomen Anatomy 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D21/00—Understructures, i.e. chassis frame on which a vehicle body may be mounted
- B62D21/02—Understructures, i.e. chassis frame on which a vehicle body may be mounted comprising longitudinally or transversely arranged frame members
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Abstract
The application discloses a heavy truck tractor type frame and a heavy truck tractor, wherein the heavy truck tractor type frame comprises a left longitudinal beam, a right longitudinal beam, a left reverse wrap beam, a right reverse wrap beam, a first cross beam and a rear cross beam; the left longitudinal beam and the right longitudinal beam are distributed at intervals, the left reverse wrapping beam and the right reverse wrapping beam are distributed at intervals, the left longitudinal beam and the right longitudinal beam are both positioned between the left reverse wrapping beam and the right reverse wrapping beam, the rear end of the left reverse wrapping beam is fixedly attached to the front end of the left longitudinal beam, the rear end of the right reverse wrapping beam is fixedly attached to the front end of the right longitudinal beam, and the left end and the right end of the first cross beam are fixedly connected with the front end of the left reverse wrapping beam and the front end of the right reverse wrapping beam respectively; the rear cross beams are at least two, and the left end and the right end of each rear cross beam are respectively and fixedly connected with the left longitudinal beam and the right longitudinal beam. The application provides a heavy truck tractor type frame weight is lighter to be favorable to the heat dissipation, improved crashproof performance.
Description
Technical Field
The application relates to the technical field of heavy truck tractors, in particular to a heavy truck tractor type frame. In addition, this application still relates to a heavy truck tractor including above-mentioned heavy truck tractor type frame.
Background
With the rapid development of the automobile industry, users have higher and higher requirements on the stability of the quality of automobile products and the performance of the whole automobile, and particularly, the requirements on the quality, the cargo carrying capacity and the light weight of the whole automobile are increasingly enhanced.
The frame is a frame structure bridged on the front axle and the rear axle of the automobile, is commonly called a crossbeam and is a base body of the automobile. The vehicle frame is supported on the wheels via a suspension, a front axle and a rear axle. The frame must have sufficient strength and rigidity to withstand the load of the vehicle and the impact transmitted from the wheels. The function of the frame is to support and connect the various assemblies of the vehicle, to keep the assemblies in relatively correct positions, and to bear various loads inside and outside the vehicle.
In the prior art, most of the whole vehicle frames are heavy, the transportation and the installation are inconvenient, and the whole vehicle quality, the comfort and the light weight of the whole vehicle are affected to a certain extent. Meanwhile, the heat dissipation of the engine water tank and the anti-collision performance of the whole vehicle are related to the structure of the frame of the whole vehicle.
Therefore, how to provide a solution to the above technical problem is a problem that needs to be solved by those skilled in the art.
Disclosure of Invention
In view of this, the purpose of this application is to provide a heavy truck tractor type frame, its weight is lighter to be favorable to the heat dissipation, improved crashworthiness. Another object of the present application is to provide a heavy truck tractor comprising the above-mentioned heavy truck tractor type frame.
In order to achieve the above purpose, the present application provides the following technical solutions:
a heavy truck tractor type frame comprises a left longitudinal beam, a right longitudinal beam, a left reverse wrap beam, a right reverse wrap beam, a first cross beam and a rear cross beam; the left longitudinal beam and the right longitudinal beam are distributed at intervals, the left anti-wrap beam and the right anti-wrap beam are distributed at intervals, the left longitudinal beam and the right longitudinal beam are positioned between the left anti-wrap beam and the right anti-wrap beam, the rear end of the left anti-wrap beam is fixedly attached to the front end of the left longitudinal beam, the rear end of the right anti-wrap beam is fixedly attached to the front end of the right longitudinal beam, and the left end and the right end of the first cross beam are fixedly connected with the front end of the left anti-wrap beam and the front end of the right anti-wrap beam respectively; the rear cross beams are at least two, and the left end and the right end of each rear cross beam are respectively and fixedly connected with the left longitudinal beam and the right longitudinal beam.
Optionally, the rear cross beam comprises a second cross beam and a tail beam, and the left end and the right end of the second cross beam are respectively and fixedly connected with the front end of the left longitudinal beam and the front end of the right longitudinal beam; and the left end and the right end of the tail beam are respectively and fixedly connected with the rear end of the left longitudinal beam and the rear end of the right longitudinal beam.
Optionally, the rear cross beam further includes a fifth cross beam disposed between the tail beam and the second cross beam, an end of the fifth cross beam is connected to a fifth cross beam stiffening beam, and a cross-sectional area of the fifth cross beam stiffening beam gradually increases from one end connected to the fifth cross beam to the other end.
Optionally, the left end of the fifth cross beam is fixedly connected with the left longitudinal beam through the fifth cross beam reinforcing beam, and the right end of the fifth cross beam is fixedly connected with the right longitudinal beam through the fifth cross beam reinforcing beam.
Optionally, the rear cross beam includes a third cross beam and a fourth cross beam, and the second cross beam, the third cross beam, the fourth cross beam and the fifth cross beam are sequentially distributed from front to back.
Optionally, the device further comprises a third strip-shaped beam reinforcing beam; the third cross beam reinforcing beam on the left side is fixedly attached to the inner side of the left longitudinal beam, and the rear end of the third cross beam reinforcing beam on the left side is fixedly connected with the left end of the third cross beam; the third cross beam reinforcing beam on the right side is fixedly attached to the inner side of the right longitudinal beam, and the rear end of the third cross beam reinforcing beam on the right side is fixedly connected with the right end of the third cross beam.
Optionally, the middle parts of the left longitudinal beam and the right longitudinal beam are respectively provided with a left longitudinal beam expansion section and a right longitudinal beam expansion section, the left longitudinal beam expansion section and the right longitudinal beam expansion section are distributed oppositely, the distance between the left longitudinal beam expansion section and the right longitudinal beam expansion section is gradually increased from back to front, and the left longitudinal beam expansion section and the right longitudinal beam expansion section are located between the second cross beam and the third cross beam.
Optionally, at least one of the left longitudinal beam, the right longitudinal beam, the left anti-wrapping beam, the right anti-wrapping beam, the first cross beam and the rear cross beam is an aluminum alloy part.
Optionally, the left longitudinal beam, the right longitudinal beam, the left anti-wrapping beam, the right anti-wrapping beam, the first cross beam and the rear cross beam are all made of aluminum alloy.
A heavy truck tractor comprises any heavy truck tractor type frame.
Through above-mentioned scheme, the beneficial effect of heavy truck tractor type frame that this application provided lies in:
the heavy truck tractor type frame comprises a left longitudinal beam, a right longitudinal beam, a left anti-wrap beam, a right anti-wrap beam, a first cross beam and a rear cross beam; the left longitudinal beam and the right longitudinal beam are distributed at intervals, the left reverse wrapping beam and the right reverse wrapping beam are distributed at intervals, the left longitudinal beam and the right longitudinal beam are both positioned between the left reverse wrapping beam and the right reverse wrapping beam, the rear end of the left reverse wrapping beam is fixedly attached to the front end of the left longitudinal beam, the rear end of the right reverse wrapping beam is fixedly attached to the front end of the right longitudinal beam, and the left end and the right end of the first cross beam are fixedly connected with the front end of the left reverse wrapping beam and the front end of the right reverse wrapping beam respectively; the rear cross beams are at least two, and the left end and the right end of each rear cross beam are respectively and fixedly connected with the left longitudinal beam and the right longitudinal beam.
The application provides a heavy truck tractor type frame adopts the hollow out construction of longeron and crossbeam combination, and whole weight is less, and transportation transport and installation are all comparatively convenient, have realized the lightweight of whole car. In addition, two anti-wrap beams are arranged on the outer sides of the front ends of the two longitudinal beams, and the distance between the two longitudinal beams is increased by the anti-wrap beams, so that the first cross beam can have a larger length, the heat dissipation of an engine water tank is facilitated, and the anti-collision performance of the whole vehicle is also improved.
In addition, it should be understood that the heavy truck tractor provided by the application comprises the heavy truck tractor type frame, and therefore the heavy truck tractor provided by the application also has the beneficial effects.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, it is obvious that the drawings in the following description are only embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic structural view of a heavy truck tractor type frame at a first viewing angle according to an embodiment of the present application;
FIG. 2 is a second perspective structural view of the heavy truck tractor type frame of FIG. 1;
FIG. 3 is a top plan view of the heavy truck tractor type frame shown in FIG. 1;
FIG. 4 is a side view of the heavy truck tractor type frame shown in FIG. 1;
FIG. 5 is a front view of the heavy truck tractor type frame of FIG. 1;
fig. 6 is a schematic structural diagram of a left anti-wrap beam, a right anti-wrap beam, a first cross beam, and a second cross beam provided in the embodiment of the present application;
fig. 7 is a schematic structural diagram of a second cross member according to an embodiment of the present disclosure;
FIG. 8 is a schematic view of a third cross member engaged with a third cross member reinforcement beam according to an embodiment of the present disclosure;
fig. 9 is a schematic structural diagram of a fourth cross beam according to an embodiment of the present disclosure;
FIG. 10 is a schematic view of a fifth cross member engaged with a fifth cross member reinforcement beam according to an embodiment of the present disclosure;
fig. 11 is a schematic structural diagram of a tail boom according to an embodiment of the present application.
The reference numbers in the figures are:
the left longitudinal beam comprises a left longitudinal beam 1, a left longitudinal beam front section 101, a left longitudinal beam expansion section 102, a left longitudinal beam rear section 103, a right longitudinal beam 2, a right longitudinal beam front section 201, a right longitudinal beam expansion section 202, a right longitudinal beam rear section 203, a left turn-up beam 3, a right turn-up beam 4, a first cross beam 5, a second cross beam 6, a third cross beam 7, a fourth cross beam 8, a fifth cross beam 9, a tail beam 10, a third cross beam reinforcing beam 11 and a fifth cross beam reinforcing beam 12.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Referring to fig. 1 to 11, the heavy truck tractor frame provided by the present application includes a longitudinal beam, a turn-up beam, a first cross beam 5, and a rear cross beam.
The number of the longitudinal beams is two, and the two longitudinal beams are a left longitudinal beam 1 and a right longitudinal beam 2 respectively. The two longitudinal beams extend from front to back on the heavy truck tractor respectively and are distributed at intervals.
The number of the anti-package beams is two, and the two are a left anti-package beam 3 and a right anti-package beam 4 respectively. The two anti-package roof beams extend from the front to the back on the heavy truck tractor respectively to two anti-package roof beams interval distribution. Two anti-package roof beams press from both sides two longerons in the centre, more specifically, the rear end of the left side is anti-package roof beam 3 and the front end laminating of the lateral wall of left longeron 1 is fixed, and the rear end of the right side is anti-package roof beam 4 and the front end laminating of the lateral wall of right longeron 2 is fixed.
The first cross beam 5 is arranged at the front ends of the two turn-up beams. More specifically, the left end of the first cross beam 5 is fixedly connected with the front end of the left turn-up beam 3, and the right end of the first cross beam 5 is fixedly connected with the front end of the right turn-up beam 4.
The number of the rear cross beams is at least two, the left end of each rear cross beam is fixedly connected with the left longitudinal beam 1, and the right end of each rear cross beam is fixedly connected with the right longitudinal beam 2.
The heavy truck tractor type frame with the structure has the beneficial effects that: the fish belly type external shape and the terrace beam structure are adopted, the structure has the advantages of high strength, hard rigidity, good bending strength, large torsional stress resistance and the like, and the structure is locally reinforced and firm and high in connection stability by reasonably arranging the positions of the related beams. Two anti-package roof beams are provided with in two longeron front end outsides, and anti-package roof beam has increased the interval between two longerons, has increased the length of first crossbeam 5, is favorable to the engine water tank heat dissipation more, also improves the crashproof ability of whole car.
Optionally, in an embodiment, the rear cross beam includes a tail beam 10, a left end of the tail beam 10 is fixedly connected with a front end of the left longitudinal beam 1, and a right end of the tail beam 10 is fixedly connected with a front end of the right longitudinal beam 2.
Optionally, in an embodiment, the rear cross beam includes a second cross beam 6, a left end of the second cross beam 6 is fixedly connected with a front end of the left longitudinal beam 1, and a right end of the second cross beam 6 is fixedly connected with a front end of the right longitudinal beam 2. The second beam 6 may be formed by bending a pipe.
Optionally, in an embodiment, the rear cross beam includes a third cross beam 7, the third cross beam 7 is disposed in the middle of the longitudinal beams, and both ends of the third cross beam are fixed to the two longitudinal beams.
Optionally, in an embodiment, the rear cross beam includes a fourth cross beam 8, the third cross beam 7 is disposed in the middle of the longitudinal beams, and both ends of the third cross beam are fixed to the two longitudinal beams.
Optionally, in an embodiment, the rear cross member comprises a fifth cross member 9, and the fifth cross member 9 is disposed in the middle of the longitudinal member, for example, may be disposed between the tail beam 10 and the second cross member 6.
Optionally, in an embodiment, the rear cross beam specifically includes a second cross beam 6, a third cross beam 7, a fourth cross beam 8, a fifth cross beam 9, and a tail beam 10, which are sequentially distributed from front to back. And meanwhile, six cross beams are arranged to ensure the strength of the heavy truck tractor type frame.
It should be noted that, the rear cross beam of the structure is designed through diversified dynamic analysis, locally strengthened and integrated with multiple functions, so that resources are optimized and saved, the quality is improved, and the weight is reduced. In practical applications, the number of the rear cross beams is not limited, and any one or more of the second cross beam 6, the third cross beam 7, the fourth cross beam 8, the fifth cross beam 9 and the tail beam 10 may be omitted according to actual requirements.
Optionally, in an embodiment, the heavy truck tractor type frame further comprises a third cross beam reinforcing beam 11 in a strip shape; the left third cross beam reinforcing beam 11 is fixedly attached to the inner side of the left longitudinal beam 1, and the rear end of the left third cross beam reinforcing beam 11 is fixedly connected with the left end of the third cross beam 7; the right third cross beam reinforcing beam 11 is fixedly attached to the inner side of the right longitudinal beam 2, and the rear end of the right third cross beam reinforcing beam 11 is fixedly connected with the right end of the third cross beam 7.
Optionally, in an embodiment, the heavy truck tractor type frame further includes a fifth cross member reinforcing beam 12, the fifth cross member reinforcing beam 12 is disposed between the end of the fifth cross member 9 and the longitudinal beam, and the cross-sectional area of the fifth cross member reinforcing beam 12 gradually increases from the end connected with the fifth cross member 9 to the end connected with the corresponding longitudinal beam. Specifically, the fifth beam 9 corresponds to the position of the rear wheel of the heavy truck tractor, the load at the position is large, and the strength of the fifth beam 9 is improved through the fifth beam reinforcing beam 12.
In practical arrangement, fifth cross beam reinforcing beams 12 may be arranged on the left side and/or the right side of the fifth cross beam 9, preferably, the left end of the fifth cross beam 9 is fixedly connected with the left longitudinal beam 1 through one fifth cross beam reinforcing beam 12, and the right end of the fifth cross beam 9 is fixedly connected with the right longitudinal beam 2 through the other fifth cross beam reinforcing beam 12. In addition, the single fifth beam reinforcement beam 12 may specifically include two separate fifth beam reinforcement beam plates, and the two fifth beam reinforcement beam plates are fixed to the upper surface and the lower surface of the fifth beam 9, respectively.
Optionally, in an embodiment, the left longitudinal beam 1 includes a left longitudinal beam front section 101, a left longitudinal beam expansion section 102, and a left longitudinal beam rear section 103, which are sequentially distributed from front to rear, and the right longitudinal beam 2 includes a right longitudinal beam front section 201, a right longitudinal beam expansion section 202, and a right longitudinal beam rear section 203, which are sequentially distributed from front to rear. The left longitudinal beam front section 101 and the right longitudinal beam front section 201 can be distributed in parallel, the left longitudinal beam rear section 103 and the right longitudinal beam rear section 203 can be distributed in parallel, the left longitudinal beam expansion section 102 and the right longitudinal beam expansion section 202 are distributed oppositely, and the distance between the left longitudinal beam expansion section 102 and the right longitudinal beam expansion section 202 is gradually increased from back to front. The expanding section can increase the distance between the front ends of the two longitudinal beams, and further increase the length of the first cross beam 5. In practical arrangements, the left and right stringer expansions 102, 202 may be specifically disposed between the second and third cross members 6, 7.
Optionally, in an embodiment, the left longitudinal beam 1, the right longitudinal beam 2, the left turn-up beam 3, the right turn-up beam 4, the first cross beam 5, the second cross beam 6, the third cross beam 7, the fourth cross beam 8, the fifth cross beam 9, and the tail beam 10 are beam bodies with different positions, preferably at least one beam body is an aluminum alloy part, and more preferably all beam bodies are aluminum alloy parts. Alternatively, the third beam reinforcement beam 11 and the fifth beam reinforcement beam 12 may be made of aluminum alloy.
Among the prior art, the frame adopts the steel part structure mostly, and is whole relatively heavier, and transportation transport and installation are all inconvenient, and steel construction corrosion resistance is relatively poor, exposes perishable influence frame intensity under the air for a long time, and the plasticity of steel is relatively poor simultaneously, can appear the fracture phenomenon during the punching press.
The whole aluminum alloy material that adopts of frame in this embodiment can alleviate whole car weight, reduces fuel consumption, improves the maneuverability of vehicle, has advantages such as corrosion-resistant, use easy maintenance, intensity is high, rigidity is good, sturdy and durable simultaneously, can improve the ability of carrying cargo, the travelling comfort and the whole car stability ability of whole car, can satisfy the whole car quality of enterprise, the whole light-weighted demand and the travelling comfort of user.
In addition to the heavy truck tractor type frame mentioned above, the present application also provides a heavy truck tractor comprising any one of the heavy truck tractor type frames mentioned above. The heavy truck tractor has the same beneficial effects as the heavy truck tractor type frame, and the structure of other parts of the heavy truck tractor refers to the prior art, which is not repeated herein.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The heavy truck tractor type frame and the heavy truck tractor provided by the application are described in detail above. The principles and embodiments of the present application are explained herein using specific examples, which are provided only to help understand the method and the core idea of the present application. It should be noted that, for those skilled in the art, it is possible to make several improvements and modifications to the present application without departing from the principle of the present application, and such improvements and modifications also fall within the scope of the claims of the present application.
Claims (10)
1. A heavy truck tractor type frame is characterized by comprising a left longitudinal beam (1), a right longitudinal beam (2), a left anti-wrap beam (3), a right anti-wrap beam (4), a first cross beam (5) and a rear cross beam; the left longitudinal beam (1) and the right longitudinal beam (2) are distributed at intervals, the left reverse wrapping beam (3) and the right reverse wrapping beam (4) are distributed at intervals, the left longitudinal beam (1) and the right longitudinal beam (2) are positioned between the left reverse wrapping beam (3) and the right reverse wrapping beam (4), the rear end of the left reverse wrapping beam (3) is fixedly attached to the front end of the left longitudinal beam (1), the rear end of the right reverse wrapping beam (4) is fixedly attached to the front end of the right longitudinal beam (2), and the left end and the right end of the first cross beam (5) are fixedly connected with the front end of the left reverse wrapping beam (3) and the front end of the right reverse wrapping beam (4) respectively; the number of the rear cross beams is at least two, and the left end and the right end of each rear cross beam are respectively and fixedly connected with the left longitudinal beam (1) and the right longitudinal beam (2).
2. The heavy truck tractor type frame according to claim 1, characterized in that the rear cross beam comprises a second cross beam (6) and a tail beam (10), and the left end and the right end of the second cross beam (6) are fixedly connected with the front end of the left longitudinal beam (1) and the front end of the right longitudinal beam (2), respectively; the left end and the right end of the tail beam (10) are fixedly connected with the rear end of the left longitudinal beam (1) and the rear end of the right longitudinal beam (2) respectively.
3. A heavy truck tractor type frame according to claim 2, characterized in that the rear cross beam further comprises a fifth cross beam (9) arranged between the tail beam (10) and the second cross beam (6), a fifth cross beam reinforcement beam (12) is connected to the end of the fifth cross beam (9), and the cross-sectional area of the fifth cross beam reinforcement beam (12) gradually increases from one end connected with the fifth cross beam (9) to the other end.
4. A heavy truck tractor type frame according to claim 3, characterized in that the left end of the fifth cross beam (9) is fixedly connected with the left longitudinal beam (1) through the fifth cross beam reinforcement beam (12), and the right end of the fifth cross beam (9) is fixedly connected with the right longitudinal beam (2) through the fifth cross beam reinforcement beam (12).
5. A heavy truck tractor type frame according to claim 3, characterized in that the rear cross-members comprise a third cross-member (7) and a fourth cross-member (8), the second cross-member (6), the third cross-member (7), the fourth cross-member (8) and the fifth cross-member (9) being distributed in sequence from front to back.
6. A heavy truck tractor type frame according to claim 5, characterized by further comprising a third cross beam reinforcement beam (11) in the form of a bar; the left third cross beam reinforcing beam (11) is fixedly attached to the inner side of the left longitudinal beam (1), and the rear end of the left third cross beam reinforcing beam (11) is fixedly connected with the left end of the third cross beam (7); the third cross beam reinforcing beam (11) on the right side is fixedly attached to the inner side of the right longitudinal beam (2), and the rear end of the third cross beam reinforcing beam (11) on the right side is fixedly connected with the right end of the third cross beam (7).
7. The heavy truck tractor type frame according to claim 5, characterized in that the middle parts of the left longitudinal beam (1) and the right longitudinal beam (2) are respectively provided with a left longitudinal beam expansion section (102) and a right longitudinal beam expansion section (202), the left longitudinal beam expansion section (102) and the right longitudinal beam expansion section (202) are distributed oppositely, the distance between the left longitudinal beam expansion section and the right longitudinal beam expansion section is gradually increased from back to front, and the left longitudinal beam expansion section and the right longitudinal beam expansion section are positioned between the second cross beam (6) and the third cross beam (7).
8. Heavy truck tractor type frame according to any of the claims 1 to 7, characterized in that at least one of the left longitudinal beam (1), the right longitudinal beam (2), the left turn-up beam (3), the right turn-up beam (4), the first cross beam (5) and the rear cross beam is an aluminium alloy part.
9. The heavy truck tractor-type frame according to claim 8, characterized in that the left longitudinal beam (1), the right longitudinal beam (2), the left turn-up beam (3), the right turn-up beam (4), the first cross beam (5) and the rear cross beam are all made of aluminum alloy.
10. A heavy truck tractor characterized by comprising a heavy truck tractor type frame according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011544154.9A CN112550461A (en) | 2020-12-23 | 2020-12-23 | Heavy truck tractor type frame and heavy truck tractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011544154.9A CN112550461A (en) | 2020-12-23 | 2020-12-23 | Heavy truck tractor type frame and heavy truck tractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112550461A true CN112550461A (en) | 2021-03-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011544154.9A Withdrawn CN112550461A (en) | 2020-12-23 | 2020-12-23 | Heavy truck tractor type frame and heavy truck tractor |
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|---|---|
| CN (1) | CN112550461A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117508372A (en) * | 2024-01-04 | 2024-02-06 | 质子汽车科技有限公司 | Integrated heavy truck floor framework assembly |
| EP4368478A1 (en) * | 2022-11-09 | 2024-05-15 | Volvo Truck Corporation | A cross member arrangement |
-
2020
- 2020-12-23 CN CN202011544154.9A patent/CN112550461A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4368478A1 (en) * | 2022-11-09 | 2024-05-15 | Volvo Truck Corporation | A cross member arrangement |
| CN117508372A (en) * | 2024-01-04 | 2024-02-06 | 质子汽车科技有限公司 | Integrated heavy truck floor framework assembly |
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Application publication date: 20210326 |
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