CN218536368U

CN218536368U - New forms of energy commercial car battery frame inclined type suspension structure and assembly

Info

Publication number: CN218536368U
Application number: CN202223134478.2U
Authority: CN
Inventors: 田江; 李国洪; 肖磊; 朱勇; 李承亮
Original assignee: Dongsen Shiyan Automotive Seals Co ltd
Current assignee: Dongsen Shiyan Automotive Seals Co ltd
Priority date: 2022-11-25
Filing date: 2022-11-25
Publication date: 2023-02-28
Anticipated expiration: 2032-11-25

Abstract

The utility model provides a new forms of energy commercial car battery frame inclined type suspension structure and assembly, relates to new energy automobile technical field, and it includes upper bracket and lower carriage, is provided with the two cushions of vulcanization between upper bracket and the lower carriage, and the two cushions of this vulcanization are along whole car Y to inwards inclining and are arranged. In the utility model, the vulcanizing double-cushion assembly is arranged by inclining 15 degrees, the system has stable operation, compact and exquisite structure, simple production and formation, reasonable assembly logic, error and neglected loading prevention function on the vulcanizing piece, easily controlled process, easy batch and easy platform; the processing degree of difficulty is low, and the precision is high, and the fault rate is low, and structural steady, rigidity adjustability is good, can satisfy different NVH stages.

Description

New forms of energy commercial car battery frame inclined type suspension structure and assembly

Technical Field

The utility model relates to a new energy automobile technical field, specifically new energy commercial car battery frame inclined type suspension structure and assembly.

Background

With the continuous emergence of energy crisis and the energy-saving and energy-saving requirements of automobiles, automobiles develop towards the direction of large torque and light weight, and particularly new energy vehicles are established, so that the technologies of energy-bearing cars and commercial vehicles are more and more mature, and the technical difficulty requirement of NVH (vibration, noise and comfort) of the automobiles is technically increased.

The consumption group changes, the consumption group cognition of the automobile is continuously improved, and certainly, the information source channels of the related automobile knowledge are diversified, so that the situation that the NVH performance cognition of the automobile is continuously improved by a consumer to a certain extent is promoted, the requirement of the consumer on the NVH characteristic of the subjective driving of the automobile is higher and higher, and therefore, the NVH performance of the automobile becomes one of important characteristics of the automobile.

From the analysis of the actual running condition at present, no matter a new energy automobile or a traditional fuel vehicle system, a safe, reliable, stable and smooth-working battery (battery) supply system cannot be separated, and the vibration of a battery frame suspension system of the new energy commercial vehicle is required to be dissipated through 6 vulcanized double-cushion assemblies. In the past, the vibration of the battery frame of the new-energy commercial vehicle is often ignored, and along with the development of a foreign new-energy commercial vehicle battery frame acoustic vibration coupling avoidance system, a development theory about the vibration isolation of a domestic new-energy commercial vehicle battery frame suspension system is urgent.

When the NVH of the existing new energy whole vehicle is adjusted, dynamic characteristic requirements cannot meet requirements of multiple working conditions of the vehicle, so that the root of abnormal sound cannot be found when the NVH of the whole vehicle is adjusted, for example, when the vehicle runs at 5-30Km/h, the road surface vibrates at low frequency and large amplitude. In addition, the design and the manufacturing process of the national automobile are different from those of engines in developed countries, and particularly, the lateral forced excitation amplitude of the pavement of the battery frame suspension system of the high-power new-energy commercial vehicle is larger. Therefore, from the angle of adjustment and calibration of NVH of the whole vehicle, the requirement of multi-working-condition NVH performance of a domestic new energy commercial vehicle battery frame suspension system is improved, and the development of a reasonable, economic, reliable and practical new energy commercial vehicle battery frame suspension system is really necessary.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model aims to provide a new energy commercial vehicle battery frame inclined suspension structure and assembly, 6 vulcanize two cushion assemblies and arrange by themselves inclining 15 degrees, the system structurally operates stably, has compact structure, is exquisite, produces and forms simply, and the assembly logic is reasonable, and the vulcanizing part itself has the function of preventing mistake and neglected installation, and the process is easy to control, easy to batch and easy to platform; the processing degree of difficulty is low, and the precision is high, and the fault rate is low, and structural steady, rigidity adjustability is good, can satisfy different NVH stages.

In order to achieve the above purpose, the utility model adopts the technical proposal that: the utility model provides a new forms of energy commercial car battery frame inclined type suspension structure, includes upper bracket and lower carriage, be provided with the double cushion of vulcanization between upper bracket and the lower carriage, this double cushion of vulcanization arranges along whole car Y inwards to incline.

On the basis of the technical scheme, the vulcanized double cushions are arranged along the whole vehicle Y and inwards incline by 15 degrees.

On the basis of the technical scheme, the lower support comprises a C-shaped mounting seat, a first vertical plate is arranged on the outer side wall of the mounting seat, and the upper end of the first vertical plate is bent outwards to form a first inclined plate for connecting the vulcanized double cushions; a first reinforcing plate is arranged between the first vertical plate and the first inclined plate.

On the basis of the technical scheme, the upper bracket comprises a second horizontal plate, and one end of the second horizontal plate is upwards tilted to form a second inclined plate for connecting the vulcanized double cushions; the other end of the second horizontal plate is bent upwards to form a second vertical plate, and the upper end of the second vertical plate is provided with a flanging part; and a second reinforcing plate is arranged between the second vertical plate and the second inclined plate.

On the basis of the technical scheme, the vulcanized double cushion comprises a central pipe and a first bolt; two ends of the central pipe are respectively provided with a limiting sheet, two rubber pads are arranged between the two limiting sheets, one rubber pad is positioned below the first inclined plate, and the other rubber pad is positioned between the first inclined plate and the second inclined plate; and the first bolt sequentially penetrates through the second inclined plate, the central pipe and the first inclined plate and then is locked through the first locking nut.

On the basis of the technical scheme, the first inclined plate is provided with a mounting hole, and a positioning groove matched with the mounting hole is formed between the two rubber pads.

On the basis of the technical scheme, the inner wall of the mounting base bottom plate is provided with a limiting block.

On the basis of the technical scheme, the limiting block comprises a third horizontal plate, a rubber block and a second bolt; the third horizontal plate is connected with the mounting seat, and the outer side of the third horizontal plate is bent upwards to form a third vertical plate; a third reinforcing plate is arranged between the third vertical plate and the third horizontal plate; the rubber block is arranged on the outer side of the third vertical plate, and flanges are arranged on the periphery of the rubber block; one end of the second bolt is connected with the rubber block, and the other end of the second bolt penetrates through the third vertical plate and then is locked through the second locking nut.

The embodiment of the utility model provides a still provide a new forms of energy commercial car battery frame inclined type suspension assembly, which comprises a frame, the stand upper end of frame is provided with respectively as foretell inclined type suspension structure.

On the basis of the technical scheme, the left side and the right side of the frame are respectively and oppositely provided with three stand columns, and the upper end of each stand column is provided with the inclined suspension structure.

The beneficial effects of the utility model reside in that:

1. the utility model discloses in, along whole car Y axle battery frame welding assembly left and right sides design 6 rubber elasticity central points, mutual independence, and arrange along whole car Y to becoming 15 degrees degree inclinations, compare 0 degree angle flat-placed formula, the decoupling zero nature that more possesses system design (the decoupling zero calculates better, system's shock insulation is superior more), especially to commercial battery frame welding assembly have better stability under road surface low frequency operating mode.

2. The utility model discloses in, in 6 two cushion belows of vulcanizing, along whole car Y inside survey design have 6 stopper assemblies, 6 stopper assemblies directly adopt 65 degrees natural gum to vulcanize the shaping respectively, and rubber is a polymer hyperelastomer, and buffering collision that just can be fine is dissolved and is sideslipped because of the vehicle and sideslips the Y that causes and assault to throwing away by a wide margin, not only obviously improves the driving travelling comfort, promotes battery frame welding assembly itself durable moreover.

3. The utility model discloses can rely on the damping and the rigidity damping vibration of the high elastomer of rubber of design simultaneously, promote the life and the use travelling comfort of new forms of energy commercial car battery frame suspension system, can practice thrift production and manufacturing cost effectively, made things convenient for the maintenance and the maintenance in later stage again, when radiator maintained the maintenance, new forms of energy commercial car battery frame suspension system interchangeability is convenient.

Drawings

Fig. 1 is a perspective view of an inclined suspension structure and assembly according to an embodiment of the present invention;

fig. 2 is a perspective view of the inclined suspension structure and the assembly with the upper bracket removed according to the embodiment of the present invention;

FIG. 3 is a front view of FIG. 2;

FIG. 4 is a top view of FIG. 3;

FIG. 5 isbase:Sub>A sectional view taken along line A-A of FIG. 4;

FIG. 6 is an enlarged view of portion B of FIG. 5;

FIG. 7 is an enlarged view of portion C of FIG. 5;

fig. 8 is a perspective view of an upper bracket in an embodiment of the present invention;

FIG. 9 is a perspective view of a limiting block in an embodiment of the present invention;

fig. 10 is a perspective view of an embodiment of the present invention;

fig. 11 is a diagram of a model for establishing simulated flexible computational analysis under Adams software in an embodiment of the present invention;

fig. 12 is a Z-direction stiffness analysis cloud chart of the vulcanized double-cushion in the embodiment of the present invention;

fig. 13 is an X = Y-direction stiffness analysis cloud chart of the vulcanized double-cushion in the embodiment of the present invention.

Reference numerals:

1-inclined suspension structure;

11-vulcanizing double soft mats; 111-limiting piece; 112-a central tube; 113-a rubber pad; 114-a first bolt; 115 — a first locking nut; 116-positioning groove;

12-lower support; 121-a mounting seat; 122 — a first vertical plate; 123 — a first inclined plate; 124-a first stiffener;

13-upper support; 131-a second horizontal plate; 132 — a second vertical plate; 133 — a second inclined plate; 134-flanging part; 135-a second stiffener;

14, a limiting block; 141-third horizontal plate; 142-a third vertical plate; 143-rubber blocks; 144-a flange; 145 — second bolt; 146 — a second lock nut; 147-a third stiffener;

2-a frame; 21-upright column.

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout.

In the description of the present invention, it should be noted that, for the terms of orientation, such as "central", "transverse (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like, indicate that the orientation and positional relationship are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, but not for indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and should not be construed as limiting the specific scope of the present invention.

Furthermore, if the terms "first" and "second" are used for descriptive purposes only, they are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. Thus, the definition of "a first" or "a second" feature may explicitly or implicitly include one or more of the features, and as used in the description of the invention, the definition of "a plurality" or "a plurality" means two or more unless otherwise explicitly specified.

The technical solution and the advantages of the present invention will be made clearer and clearer by further describing the embodiments of the present invention with reference to the drawings of the specification. The embodiments described below are exemplary and are intended to be illustrative of the present invention, but should not be construed as limiting the invention.

Referring to fig. 1 to 5, the embodiment of the utility model provides a new forms of energy commercial car battery frame inclined type suspension structure, including upper bracket 13 and lower carriage 12, be provided with the double cushion 11 of vulcanizing between upper bracket 13 and the lower carriage 12, should vulcanize double cushion 11 and inwards incline along whole car Y and arrange. Specifically, the vulcanized double cushion 11 is arranged inwards at an angle of 15 degrees along the whole vehicle Y. At present, the battery frame suspension system of the domestic energy commercial vehicle is basically arranged in a parallel Y-axis mode, and the included angle is 0 degree, namely, no included angle exists. This new energy commercial vehicle battery frame suspension system assembly inwards inclines 15 degrees contained angles along whole car Y, compares traditional 0 degree contained angle and arranges, inwards inclines 15 degrees contained angles along whole car Y and collocates like this more firmly, and especially when new energy commercial vehicle passes through unsmooth road surface, when whole car heels along Y, because the suspension inwards inclines arranges, battery frame of 1.2 tonnages is difficult to heels and lateral slip. The rubber is a high-molecular super-elastic body, has certain damping and spring stiffness similar to that of the rubber, can attenuate vibration energy of a road surface and transmit the vibration energy to a battery frame welding assembly, and buffers large-amplitude side-tipping and side-slipping of excitation of the road surface to the maximum extent, so that the driving stability and driving comfort of a new-energy commercial vehicle are improved. In this embodiment, the upper bracket and the lower bracket are mainly formed by stamping the DL510, and the structure itself is designed with the details of the error-proof mounting holes.

Referring to fig. 3 and 5, the lower bracket 12 includes a C-shaped mounting seat 121, and a first vertical plate 122 is disposed on an outer side wall of the mounting seat 121, and an upper end of the first vertical plate 122 is bent outward to form a first inclined plate 123 for connecting the vulcanized double cushion 11; a first reinforcing plate 124 is provided between the first vertical plate 122 and the first inclined plate 123.

Referring to fig. 8, the upper bracket 13 includes a second horizontal plate 131, and one end of the second horizontal plate 131 is tilted upward to form a second inclined plate 133 for connecting the vulcanized double cushion 11; the other end of the second horizontal plate 131 is bent upwards to form a second vertical plate 132, and the upper end of the second vertical plate 132 is provided with a flanging part 134; a second reinforcing plate 135 is provided between the second vertical plate 132 and the second inclined plate 133.

Referring to fig. 6, the vulcanized double cushion 11 includes a center tube 112 and a first bolt 114; two ends of the central tube 112 are respectively provided with a limiting sheet 111, two rubber pads 113 are arranged between the two limiting sheets 111, one rubber pad 113 is positioned below the first inclined plate 123, and the other rubber pad 113 is positioned between the first inclined plate 123 and the second inclined plate 133; the first bolt 114 passes through the second inclined plate 133, the center pipe 112, and the first inclined plate 123 in sequence, and is locked by the first lock nut 115. Specifically, the first inclined plate 123 is provided with a mounting hole, and a positioning groove 116 matched with the mounting hole is provided between the two rubber pads 113. Adopt the through-hole to connect in the middle of 6 two cushions of vulcanization are always, make things convenient for battery frame and 6 two cushions of vulcanization to pass the bolt like this and carry out fine rigid connection, assemble logical relation like this: (1) the method is favorable for batch operation of the assembly line, has high production efficiency and can realize large-scale production. (2) The bolt is tightly connected, the tightening torque of the bolt can be quantitatively measured, and the connection is firmer and more reliable. (3) The later-stage product maintenance is convenient and fast to disassemble, only 6 vulcanized double cushions are needed to be replaced to obtain thorough repair, and the assembly does not need to be replaced with high cost.

6 vulcanize two cushion assemblies and vulcanize shaping efficiently, the same structure that this 6 vulcanize two cushion assemblies adopted in structural design, its size design is moderate simultaneously, can use 1.

The vulcanized rubber formula has good adjustability, and different rubber formulas can be tempered by rubber polymer engineers so as to achieve the purpose of debugging new energy commercial vehicle battery frame suspensions with different rigidity parameters. The design has superior subsequent adjustability, can consider platform popularization (thereby shortening the NVH adjustment period of the whole vehicle, shortening the synchronous matching research and development period of the suspension supplier, being beneficial to improving the economic benefit of entity enterprises), and has strong operability and easy large-scale production.

As a new energy commercial vehicle battery frame inclined type suspension system development, a set of development and design theory is provided, so that forced vibration excitation energy of the new energy commercial vehicle battery frame is attenuated to the maximum extent, NVH characteristics of the new energy commercial vehicle battery frame system are further improved, the service life of the vehicle new energy commercial vehicle battery frame is prolonged, and the configuration gap between the new energy commercial vehicle and the new energy commercial vehicle is reduced.

Referring to fig. 7 and 9, the inner wall of the bottom plate of the mounting seat 121 is provided with a limit block 14. Specifically, the stopper 14 includes a third horizontal plate 141, a rubber block 143, and a second bolt 145; the third horizontal plate 141 is connected with the mounting seat 121, and the outer side of the third horizontal plate 141 is bent upwards to form a third vertical plate 142; a third reinforcing plate 147 is arranged between the third vertical plate 142 and the third horizontal plate 141; the rubber block 143 is arranged on the outer side of the third vertical plate 142, and flanges 144 are arranged around the rubber block 143; one end of the second bolt 145 is connected to the rubber block 143, and the other end of the second bolt 145 passes through the third vertical plate 142 and is locked by the second locking nut 146. When the vehicle type is adopted, the road surface excitation is usually low-frequency large-amplitude excitation, the excitation frequency is generally less than 5Hz, an uneven road surface always exists, and the road surface excitation is mostly in the form of large-displacement rolling or pitching when the new energy commercial vehicle tire runs to the uneven road surface. At this time, the excitation amplitude along the Y direction of the whole vehicle may be large, and the battery frame welding assembly and the auxiliary frame may move relatively to each other to cause collision risk. However, this new forms of energy commercial car battery frame is dead weight 1.2t itself, if the car bank leads to the fact to heeling through unsmooth road surface, 1.2t heels the energy and directly strikes the sub vehicle frame, that will shorten new forms of energy commercial car life very greatly, at 6 two cushions below of vulcanization this moment, along whole car Y inside survey design have 6 stopper assemblies, 6 stopper assemblies directly adopt 65 degrees natural rubber to vulcanize the shaping respectively, rubber is a polymer hyperelastomer, the buffering collision that just can be fine, not only obviously improve the driving travelling comfort, and it is durable to promote battery frame welding assembly itself.

Referring to fig. 10, the embodiment of the present invention further provides a new energy commercial vehicle battery frame inclined suspension assembly, which includes a frame 2, and the upper ends of the columns 21 of the frame 2 are respectively provided with the inclined suspension structure 1 as described above. Specifically, the left side and the right side of the frame 2 are respectively provided with three upright posts 21, and the upper end of each upright post 21 is provided with the inclined suspension structure 1. The left side and the right side are respectively provided with 3 vulcanized double-cushion assemblies in equal parts, namely, the single side can be coupled into 3 rubber elastic central points. The system layout design of the suspension structure is favorable for decoupling of the system, decoupling is realized as far as possible, the transmission of vibration attenuation is favorably realized in the system layout, the subjective driving performance of the domestic national commercial vehicle can be better optimized, and the NVH performance of the domestic national commercial vehicle is improved. A system consisting of the battery frame welding assembly and 6 vulcanized cushions has three freedom degrees of movement in the X/Y/Z direction of the whole vehicle and freedom degrees of rotation around the Z direction, different rigidity requirements are realized by reasonably designing the rubber hardness of a high-molecular super elastomer, generally a natural rubber common hardness range from 40 degrees to 70 degrees and controlling the rubber hardness, and thus different system modes and vibration modes are designed. The modal requirement of the system is met, the avoidance of the system mode and the main excitation mode of the engine is realized, and the NVH (noise, vibration and harshness) characteristic of the automobile is further improved. In this embodiment, the frame is mainly formed by stamping DL 510. The 6 vulcanized double cushions are arranged by adopting an angle of 15 degrees inwards inclining along the whole vehicle Y direction, one cushion is arranged along the whole vehicle Z direction, and the other cushion is arranged along the whole vehicle-Z direction. By the arrangement mode, the excitation of road surface excitation, which causes the battery frame to jump upwards and pitch large amplitude excitation, can be well attenuated. Compare and directly carry on rigidly (omitting 6 two cushions of vulcanization) in tradition, not only promoted the comfortable robustness of new forms of energy commercial vehicle traveling, further promoted battery frame welding assembly spare durability moreover.

The utility model discloses an installation does:

the 6 vulcanized double-cushion assemblies are vulcanized and molded through a vulcanization process and are installed with the suspended upper and lower support assemblies through a production line type assembling and fastening process, then the 6 limiting block assemblies are rigidly and tightly connected with the suspended lower support assembly through bolts, the suspended lower support assembly is rigidly and tightly connected with the auxiliary frame, finally the battery frame welding assembly is installed from the right top and the lower side in a hanging mode (the total weight of the battery frame welding assembly and the battery is 1.288t, and the installation is needed by means of a cantilever crane), the 6 vulcanized double-cushion assemblies and the whole vehicle Z-axis inward inclination 15 degrees are arranged in the middle of the battery frame welding assembly and the auxiliary frame, the 6 vulcanized double-cushion assemblies are arranged in an inward inclination 15 degrees mode and isolate and buffer the large-amplitude excitation of the low frequency (generally less than 5 Hz) of the road surface, the efficiency is high, the process is mature, the operation is convenient, and the flash is few.

The utility model discloses a relevant experimental data:

TABLE 1 inertial parameters and boundaries

TABLE 2 New energy commercial vehicle battery frame suspension coordinates

TABLE 3 design table for suspension rigidity of battery frame of commercial vehicle with new energy

Suspension stiffness	X(N/mm)	Y(N/mm)	Z(N/mm)
				Left 1 suspension	500	500	2600
Left 2 suspension	500	500	2600
				Left 3 suspension	500	500	2600
Right 1 suspension	500	500	2600
				Right 2 suspension	500	500	2600
Right 3 suspension	500	500	2600

TABLE 4 decoupling and modal calculation of new energy commercial vehicle battery frame suspension system under vehicle coordinates

TABLE 5X, Y, Z rigidity analysis table for vulcanized double-cushion assembly

Through the table 1 to the table 5 and the figure 11 to the figure 12, the utility model discloses a product

(1) Firstly, collecting design boundaries of a new-energy commercial vehicle battery frame suspension system, inertial parameters, hole sites, coordinates, space distances and the like of the new-energy commercial vehicle battery frame suspension system.

(2) Secondly, establishing a simulation flexible model under Adams software, endowing the model with inertia product and inertia moment, endowing commercial vehicle battery frame suspension system rubber cushion model rigidity parameters according to the parameters of the new-energy commercial vehicle battery frame suspension system, verifying the model solving feasibility, and starting simulation solving of 6 modes of the new-energy commercial vehicle battery frame suspension system and the battery frame assembly. And (5) post-processing and continuously optimizing and solving until modal distribution meeting requirements is obtained.

(3) And thirdly, three-dimensionally modeling a rubber cushion of the new-energy commercial vehicle battery frame suspension system according to the design boundary and the modal rigidity distribution of the model, subjectively evaluating the 3D model data of the new-energy commercial vehicle battery frame suspension system, and refining the model.

(4) And checking the logical relation of model installation and the rationality of the size design elements.

(5) Theoretical verification: the different NR rubber formulations (different hardness of NR rubber) were adapted. The method is mainly characterized in that vulcanization pieces of different rubber materials are manufactured in a trial mode, a mainly adopted vulcanization process is adopted, and a vulcanization process engineer debugs the vulcanization pieces. And recording the technological parameters, and setting reasonable technological parameters to complete data analysis, locking, storage, traceability and the like. And sequentially installing the new-energy commercial vehicle battery frame suspension system on the new-energy commercial vehicle by using bolts (the upper end face is designed to be reserved with installation threaded holes), wherein the bolt torque refers to an automobile design manual. And participating in subjective and objective evaluation of clients and participating in enhanced road test evaluation.

1. ) Six modal distributions are all more than 5Hz, the ground large-amplitude excitation frequency is generally less than 5Hz, the system modal distribution successfully avoids the low-frequency surface resonance frequency band, and the total modal peak is less than or equal to 52.5Hz

2. ) The modes in the X direction, the Z direction and the RXX direction in the main direction are staggered by more than or equal to 2.1Hz, the risk of resonance coupling is avoided, and the design requirement is met.

3. ) The decoupling rate of X direction, Z direction and Rxx in the main direction is more than or equal to 91.32%, the energy distribution decoupling performance of the system is ideal, and the arrangement decoupling requirement of the system is met.

4. ) The linear stiffness decoupling of the suspension system meets the requirement, and can be used as later NVH matching reference.

And the rigidity of the vulcanized double-cushion assembly is analyzed by using Abaqus finite element software, and because the 6 vulcanized double-cushion assemblies have the same structure and rigidity design and the same installation angle, one of the vulcanized double-cushion assemblies can represent six rigidity indexes of the vulcanized double-cushion assembly.

In conclusion, the inclined suspension development structure of the new energy commercial vehicle battery frame provided by the invention is exquisite in structure, simple in forming process, more stable in installation posture provided by an arrangement form with 15-degree inward inclination, reasonable and ingenious in layout of a suspension system and compact in matching; the automobile has the advantages of low processing and assembling difficulty, high precision, low failure rate, capability of meeting the dynamic characteristics of various working conditions of automobile running, capability of improving the NVH (noise, vibration and harshness) performance of a domestic new energy commercial automobile in design, long service life, effective saving of the production and manufacturing cost and convenience for later maintenance.

Meanwhile, the theoretical design makes up the incomplete development of the inclined suspension of the battery frame of the new energy commercial vehicle. The method has certain practical significance on the smoothness and the stability of the battery system of the domestic commercial vehicle with new energy.

In the description of the specification, reference to the description of "one embodiment," "preferably," "an example," "a specific example" or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention, and schematic representations of the terms in this specification do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

With the above structure and principle in mind, those skilled in the art should understand that the present invention is not limited to the above embodiments, and all modifications and substitutions based on the present invention and adopting the known technology in the art are within the scope of the present invention, which should be limited by the claims.

Claims

1. The utility model provides a new forms of energy commercial car battery frame inclined type suspension structure, includes upper bracket (13) and lower carriage (12), its characterized in that: and a vulcanized double cushion (11) is arranged between the upper bracket (13) and the lower bracket (12), and the vulcanized double cushion (11) is arranged along the whole vehicle Y in an inward inclining manner.

2. The inclined suspension structure of the battery frame of the new energy commercial vehicle according to claim 1, characterized in that: the vulcanized double soft cushions (11) are arranged along the whole vehicle Y and inwards incline at an angle of 15 degrees.

3. The new energy commercial vehicle battery frame inclined suspension structure according to claim 1, characterized in that: the lower support (12) comprises a C-shaped mounting seat (121), a first vertical plate (122) is arranged on the outer side wall of the mounting seat (121), and the upper end of the first vertical plate (122) is bent outwards to form a first inclined plate (123) used for connecting the vulcanized double soft cushion (11); a first reinforcing plate (124) is arranged between the first vertical plate (122) and the first inclined plate (123).

4. The inclined suspension structure of the battery frame of the new energy commercial vehicle according to claim 3, characterized in that: the upper bracket (13) comprises a second horizontal plate (131), and one end of the second horizontal plate (131) is turned upwards to form a second inclined plate (133) for connecting the vulcanized double cushions (11); the other end of the second horizontal plate (131) is bent upwards to form a second vertical plate (132), and the upper end of the second vertical plate (132) is provided with a flanging part (134); a second reinforcing plate (135) is provided between the second vertical plate (132) and the second inclined plate (133).

5. The inclined suspension structure of the battery frame of the new energy commercial vehicle according to claim 4, characterized in that: the cured double cushion (11) comprises a central tube (112) and a first bolt (114); two ends of the central pipe (112) are respectively provided with a limiting sheet (111), two rubber pads (113) are arranged between the two limiting sheets (111), one rubber pad (113) is positioned below the first inclined plate (123), and the other rubber pad (113) is positioned between the first inclined plate (123) and the second inclined plate (133); the first bolt (114) penetrates through the second inclined plate (133), the central pipe (112) and the first inclined plate (123) in sequence and then is locked through a first locking nut (115).

6. The inclined suspension structure of the battery frame of the new energy commercial vehicle according to claim 5, characterized in that: the first inclined plate (123) is provided with a mounting hole, and a positioning groove (116) matched with the mounting hole is formed between the two rubber pads (113).

7. The inclined suspension structure of the battery frame of the new energy commercial vehicle according to claim 3, characterized in that: the inner wall of the bottom plate of the mounting seat (121) is provided with a limiting block (14).

8. The inclined suspension structure of the battery frame of the new energy commercial vehicle according to claim 7, characterized in that: the limiting block (14) comprises a third horizontal plate (141), a rubber block (143) and a second bolt (145); the third horizontal plate (141) is connected with the mounting seat (121), and the outer side of the third horizontal plate (141) is bent upwards to form a third vertical plate (142); a third reinforcing plate (147) is arranged between the third vertical plate (142) and the third horizontal plate (141); the rubber block (143) is arranged on the outer side of the third vertical plate (142), and flanges (144) are arranged on the periphery of the rubber block (143); one end of the second bolt (145) is connected with the rubber block (143), and the other end of the second bolt (145) penetrates through the third vertical plate (142) and then is locked through the second locking nut (146).

9. The utility model provides a new energy commercial car battery frame inclined formula suspension assembly, includes frame (2), its characterized in that: the upper ends of the upright posts (21) of the frame (2) are respectively provided with the inclined suspension structure (1) as claimed in any one of claims 1 to 8.

10. The inclined suspension assembly of the battery frame of the new energy commercial vehicle according to claim 9, wherein: the left side and the right side of the frame (2) are respectively provided with three upright posts (21) oppositely, and the upper end of each upright post (21) is provided with the inclined suspension structure (1) as claimed in any one of claims 1 to 8.