CN220947524U - Chassis connecting structure of power battery box for mine car, chassis and vehicle - Google Patents
Chassis connecting structure of power battery box for mine car, chassis and vehicle Download PDFInfo
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- CN220947524U CN220947524U CN202322549719.8U CN202322549719U CN220947524U CN 220947524 U CN220947524 U CN 220947524U CN 202322549719 U CN202322549719 U CN 202322549719U CN 220947524 U CN220947524 U CN 220947524U
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- 230000000149 penetrating effect Effects 0.000 claims description 2
- 230000002787 reinforcement Effects 0.000 claims 2
- 230000003014 reinforcing effect Effects 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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- Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
Abstract
The utility model provides a power battery box chassis connecting structure for a mine car, a chassis and a vehicle, and belongs to the technical field of automobile parts. The utility model strengthens the stability and reliability of the whole power battery box and the chassis and solves the problem that the chassis is difficult to arrange the power battery box.
Description
Technical Field
The utility model belongs to the technical field of automobile parts, and particularly relates to a chassis connecting structure of a power battery box for a mine car, a chassis and a vehicle.
Background
At present, new energy automobiles adopt a hybrid form of oil and electricity, namely a combination of a fuel engine and a motor as power. The motor drives the automobile to require a high-power automobile battery, and the longer the required endurance mileage is, the larger the capacity requirement of the power battery box is, and the huge power battery box is installed to bring a lot of difficulties to the automobile industry. The mining hybrid wide-body dump truck belongs to a range-extending series hybrid electric vehicle, and is relatively complex in system and more difficult to arrange compared with a fuel oil vehicle, so that a great difficulty in working is realized in safely and reliably arranging a power battery box with larger mass in a narrow space of a chassis.
The common mounting mode is to directly mount corresponding battery box brackets on two sides of the frame through a plurality of groups of common bolts, and then fix two corresponding power battery packs on the corresponding two battery box brackets.
However, since the mass of the power battery box assembly occupies a larger mass proportion of the whole vehicle, if the power battery box is fixed on the vehicle frame only through the bolts which are transversely arranged, the stress concentration phenomenon is easy to occur at the bolt mounting positions, and even the local damage phenomenon occurs due to overlarge local stress, so that the stability and the reliability of the whole power battery box are seriously affected.
Disclosure of utility model
The utility model solves the technical problem of providing a safe and reliable power battery box chassis connecting structure for a mine car, a chassis and a vehicle, which can provide enough rigidity and strength to bear the power battery box and reduce the generation of shear stress under a braking working condition, thereby enhancing the stability and reliability of the whole power battery box and the chassis.
In order to solve the technical problems, on one hand, the technical scheme provided by the utility model is as follows: the utility model provides a power battery case chassis connection structure for mine car, it is including two main frame longerons and two sub-frame longerons that set gradually, every main frame longeron and sub-frame longeron junction's outside has all set gradually saddle first, power battery case, saddle first along length direction, every main frame longeron and sub-frame longeron junction's inboard is provided with two saddle second of riding on the horse along length direction, two saddle second of riding on the horse set up with two saddle first one-to-one that correspond, and every saddle second of riding on the horse all is connected with the saddle bolt between saddle first of riding on the horse that corresponds, the outside at main frame longeron and sub-frame longeron is established to the cover from down to the top. In this respect, compared with the conventional power battery box connecting structure, on one hand, the power battery box is arranged at the joint of the main frame longitudinal beam and the auxiliary frame longitudinal beam, so that the connecting rigidity between the main frame longitudinal beam and the auxiliary frame longitudinal beam is enhanced; on the other hand, the saddle is arranged at the stress concentration areas on the two sides of the power battery box and is fixed by the saddle bolts, so that the generation of shearing stress under the braking working condition can be sequentially reduced, and the stability of the power battery box is ensured.
Further, battery box connecting plates are arranged on two sides of the box body of the power battery box and are connected with the main frame longitudinal beam and the auxiliary frame longitudinal beam through bolts, so that the corresponding power battery box is installed on the main frame longitudinal beam and the auxiliary frame longitudinal beam, and the connection rigidity between the main frame longitudinal beam and the auxiliary frame longitudinal beam is enhanced.
Further, two battery box backing plates are arranged on the inner side of the joint of the main frame longitudinal beam and the auxiliary frame longitudinal beam, and the battery box backing plates and the corresponding battery box connecting plates are connected together through bolts which sequentially penetrate through the battery box backing plates, the main frame longitudinal beam and the battery box connecting plates.
Further, the power battery boxes arranged at the connection positions of the two main frame longitudinal beams and the auxiliary frame longitudinal beam are symmetrically arranged, and are preferably symmetrically arranged behind the two cross beams so as to ensure balance of the whole vehicle counterweight.
Further, the power battery box structure arranged at the joint of the two main frame longitudinal beams and the auxiliary frame longitudinal beam is the same, so that balance of left and right weights of the whole structure is ensured.
Further, a reinforcing beam is connected between the two power battery boxes to increase the torsion resistance of the power battery boxes.
Further, two stiffening beams are connected between the two power battery boxes and are respectively arranged at two ends of the power battery boxes.
Further, the reinforcing beam employs a hollow tube, and preferably a steel tube, to ensure that it can reduce the overall weight while having sufficient strength.
On the other hand, the utility model also provides a chassis, which comprises the power battery box chassis connecting structure for the mine car, wherein the power battery boxes in the power battery box chassis connecting structure for the mine car are symmetrically arranged behind two cross beams of the chassis, so that balance of the whole car counterweight is ensured.
In addition, the utility model also provides a vehicle which comprises the chassis.
From the above technical scheme, the utility model has the following advantages: 1. because the power battery box is symmetrically arranged at the joint of the main frame longitudinal beam and the auxiliary frame longitudinal beam through the battery box connecting plate, the connecting rigidity between the main frame longitudinal beam and the auxiliary frame longitudinal beam is enhanced; 2. according to the utility model, the saddle is arranged in the stress concentration areas on two sides of the power battery box and is fixed by the saddle bolts, so that the generation of shear stress under a braking working condition can be sequentially reduced, and the stability of the power battery box is ensured; 3. according to the utility model, the two power battery boxes are connected together through the reinforcing beam with the steel pipe structure, so that the torsion resistance of the power battery boxes is improved; 4. the utility model provides a gravity center error control method based on the weight of a power battery box, by considering the optimal axle load proportion of front axle load and rear axle load under static and dynamic conditions, the power battery box is symmetrically arranged behind two cross beams, and the balance of the whole vehicle is ensured; 5. the utility model strengthens the stability and reliability of the whole power battery box and the chassis, realizes the possibility of arrangement in a narrow space of the chassis, solves the problem of difficult arrangement of the power battery box on the chassis, has convenient disassembly and assembly and reasonable structural layout, and has better application prospect.
Drawings
In order to more clearly illustrate the technical solutions of the present utility model, the drawings that are needed in the description will be briefly introduced below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of an embodiment of the present utility model.
In the figure: 1. a power battery box; 2. a battery box connecting plate; 3. a saddle I; 4. a saddle bolt; 5. a stiffening beam; 6. a battery box backing plate; 7. a subframe rail; 8. a main frame rail; 9. saddle II.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1
As shown in fig. 1, the first embodiment provides a chassis connection structure of a power battery box for a mine car, which comprises two main frame longitudinal beams 8 and two auxiliary frame longitudinal beams 7 which are sequentially arranged, wherein a saddle seat one 3, a power battery box 1 and a saddle seat one 3 are sequentially arranged on the outer side of a joint of each main frame longitudinal beam 8 and each auxiliary frame longitudinal beam 7 along the length direction, and the power battery boxes 1 arranged at the joint of the two main frame longitudinal beams 8 and the auxiliary frame longitudinal beams 7 are symmetrically arranged and have the same structure; two saddle two 9 are arranged on the inner side of the joint of each main frame longitudinal beam 8 and the corresponding auxiliary frame longitudinal beam 7 along the length direction, the saddle two 9 and the saddle one 3 are arranged oppositely, the saddle one 3 and the saddle two 9 are arranged in stress concentration areas on two sides of the power battery box 1, saddle bolts 4 are connected between each saddle two 9 and the corresponding saddle one 3, and the saddle bolts 4 are sleeved on the outer sides of the main frame longitudinal beam 8 and the auxiliary frame longitudinal beam 7 from bottom to top.
In addition, the first embodiment is that the battery box connecting plates 2 are arranged on two sides of the box body of the power battery box 1, two battery box backing plates 6 are arranged on the inner side of the joint of the main frame longitudinal beam 8 and the auxiliary frame longitudinal beam 7, and the two battery box backing plates 6 and the corresponding battery box connecting plates 2 are connected together through bolts penetrating through the battery box backing plates 6, the main frame longitudinal beam 8 and the battery box connecting plates 2 in sequence, so that the installation of the corresponding power battery box 1 on the main frame longitudinal beam 8 and the auxiliary frame longitudinal beam 7 is realized, and the connection rigidity between the main frame longitudinal beam 8 and the auxiliary frame longitudinal beam 7 is enhanced.
Two reinforcing beams 5 with hollow tube structures are connected between the two power battery boxes 1, and the torsion resistance of the power battery boxes 1 is increased through the reinforcing beams 5.
In this regard, compared with the conventional power battery box connection structure, on the one hand, since the power battery box 1 is symmetrically mounted at the connection position of the main frame longitudinal beam 8 and the auxiliary frame longitudinal beam 7 through the battery box connection plate 2 in the first embodiment, the connection rigidity between the main frame longitudinal beam 8 and the auxiliary frame longitudinal beam 7 is enhanced; on the other hand, in the first embodiment, saddle saddles are arranged at stress concentration areas on two sides of the power battery box 1 and are fixed by adopting saddle bolts 4, so that the generation of shear stress under a braking working condition can be sequentially reduced, and the stability of the power battery box 1 is ensured; in addition, since the two power battery boxes 1 are connected together by the reinforcing beam 5 of the steel pipe structure in the present embodiment, the torsion resistance of the power battery boxes 1 is increased.
Example two
The second embodiment provides a chassis, which comprises the power battery box chassis connecting structure for the mine car in the first embodiment, and the power battery boxes 1 in the power battery box chassis connecting structure for the mine car are symmetrically arranged behind two cross beams of the chassis so as to ensure balance of the whole car counterweight.
Example III
The third embodiment provides a vehicle including the chassis described in the second embodiment.
The terms "first," "second," "third," "fourth" and the like in the description and in the claims and in the above drawings, if any, are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments of the utility model described herein may be implemented in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprise" and "have," as well as any variations thereof, are intended to cover a non-exclusive inclusion.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. The utility model provides a power battery case chassis connection structure for mine car, including two main frame longerons and two sub-frame longerons that set gradually, its characterized in that, the outside of every main frame longeron and sub-frame longeron junction has all set gradually saddle first, power battery case, saddle first along length direction, the inboard of every main frame longeron and sub-frame longeron junction is provided with two saddle second of riding on the horse along length direction, two saddle second and two saddle first one-to-one that correspond set up, and every saddle second and corresponding saddle first between all be connected with the saddle bolt, the outside at main frame longeron and sub-frame longeron is established to the cover down to the saddle bolt.
2. The chassis connection structure of a power battery box for a mine car according to claim 1, wherein battery box connection plates are arranged on two sides of a box body of the power battery box, and the battery box connection plates are connected with the main frame longitudinal beam and the auxiliary frame longitudinal beam through bolts.
3. The power battery box chassis connection structure for a mine car according to claim 2, wherein two battery box backing plates are arranged on the inner side of the connection part of the main frame longitudinal beam and the auxiliary frame longitudinal beam, and the battery box backing plates and the corresponding battery box connecting plates are connected together through bolts penetrating through the battery box backing plates, the main frame longitudinal beam and the battery box connecting plates in sequence.
4. A power cell box chassis connection structure for a mine car according to claim 1, wherein the power cell boxes arranged at the connection points of the two main frame side members and the sub frame side members are symmetrically arranged.
5. A power cell box chassis connection structure for a mine car according to claim 1, wherein the power cell boxes provided at the connection points of the two main frame side members and the sub frame side members are identical in structure.
6. A power cell box chassis connection structure for a mine car according to any one of claims 1 to 5, wherein a stiffening beam is connected between two power cell boxes.
7. A power cell box chassis connection structure for a mine car according to claim 6, wherein two reinforcement beams are connected between two power cell boxes.
8. The power cell box chassis connection structure for a mine car according to claim 6, wherein the reinforcement beam is a hollow tube.
9. A chassis comprising a power cell box chassis connection structure for a mine car according to any one of claims 1 to 8.
10. A vehicle comprising a chassis according to claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322549719.8U CN220947524U (en) | 2023-09-19 | 2023-09-19 | Chassis connecting structure of power battery box for mine car, chassis and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322549719.8U CN220947524U (en) | 2023-09-19 | 2023-09-19 | Chassis connecting structure of power battery box for mine car, chassis and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220947524U true CN220947524U (en) | 2024-05-14 |
Family
ID=91004668
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322549719.8U Active CN220947524U (en) | 2023-09-19 | 2023-09-19 | Chassis connecting structure of power battery box for mine car, chassis and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220947524U (en) |
-
2023
- 2023-09-19 CN CN202322549719.8U patent/CN220947524U/en active Active
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