Power batteries and vehicles

Abstract

The present invention provides a power battery and a vehicle, which relate to the field of new energy technology. The power battery includes a battery body, a buffer assembly and a steering assembly, wherein a mounting groove is provided on the bottom surface of the battery body; the buffer assembly includes a buffer plate and an elastic buffer, wherein the buffer plate is provided inside the mounting groove and is slidably installed on the battery body up and down; the elastic buffer is provided between the top surface of the buffer plate and the inner top wall of the mounting groove; the steering assembly includes a steering belt and a transmission assembly, wherein the steering belt is sleeved on the outside of the buffer plate, and the steering belt is connected to the buffer plate through the transmission assembly, and the transmission assembly can drive the steering belt to rotate relative to the buffer plate when the buffer plate slides up and down. The vehicle is equipped with the above-mentioned power battery. The present invention can utilize the synergistic effect of the buffer assembly absorbing impact energy and driving the steering assembly to twist the displacement direction of the impact object, thereby reducing the impact force of the external impact object on the power battery, alleviating the damage to the battery body, and enhancing the instability protection capability of the battery body.

Description

Technical Field

[0001] The present invention relates to the field of new energy technology, and in particular to a power battery and a vehicle. Background Art

[0002] In the prior art, instability often occurs during the use of power batteries. Power battery instability protection refers to the use of various technical means to prevent the battery from experiencing serious problems such as thermal runaway, explosion or combustion when the power battery becomes unstable.

[0003] At present, most of the factors that cause power battery instability are external impacts that lead to damage to the battery pack. To address this problem, existing technical means mainly focus on enhancing the external protection of the battery pack, such as by increasing the material thickness of the battery pack shell or adding protective plates around it to improve the ability to resist external impacts.

[0004] Specifically, existing technical means tend to increase the strength of the battery shell by adding materials to the outside of the battery pack, or add a protective plate near the battery pack, in order to reduce the damage to the battery pack caused by external impact. However, due to the large size of the battery body, the amount of material that can be added is limited, and it is difficult to significantly improve the protection effect by simply adding materials; similarly, although adding a protective plate can alleviate the impact to a certain extent, the thickness of the protective plate itself is also limited. Faced with the large kinetic energy of the vehicle when driving at high speed, the protective plate and the battery shell are still easily damaged by obstacles, which in turn affects the safety of the battery.

[0005] Therefore, the existing technology still has shortcomings in protecting power batteries from instability, and new solutions are urgently needed to enhance its protection capabilities. Summary of the invention

[0006] The object of the present invention is to provide a power battery and a vehicle to alleviate the above-mentioned technical problems existing in the prior art.

[0007] To achieve the above objectives, the embodiments of the present invention adopt the following technical solutions:

[0008] In a first aspect, the present invention provides a power battery, comprising:

[0009] A battery body, the bottom surface of which is provided with a mounting groove;

[0010] A buffer assembly, comprising a buffer plate and an elastic buffer member, wherein the buffer plate is arranged inside the mounting groove and is slidably mounted on the battery body up and down, and the plate surface of the buffer plate extends in the horizontal direction; the elastic buffer member is arranged between the top surface of the buffer plate and the inner top wall of the mounting groove;

[0011] The steering assembly includes a steering belt and a transmission assembly. The steering belt is sleeved on the outside of the buffer plate. The steering belt is connected to the buffer plate through the transmission assembly. The transmission assembly can drive the steering belt to rotate relative to the buffer plate when the buffer plate slides up and down.

[0012] In an optional embodiment, the buffer assembly also includes a frame body, which is fixedly connected to the periphery of the buffer plate and slidably installed on the inner wall of the mounting groove; a connecting plate arranged above the buffer plate is also fixedly connected to the frame body, and the elastic buffer member is arranged between the top surface of the connecting plate and the inner top wall of the mounting groove.

[0013] In an optional embodiment, the transmission assembly includes:

[0014] A roller shaft is arranged inside the steering belt, and comprises a driving roller shaft and a driven roller shaft which are respectively rotatably mounted on the frame body, and the driving roller shaft and the driven roller shaft are respectively arranged on two opposite sides of the buffer plate;

[0015] and a roller drive assembly connected between the driving roller and the frame body, capable of driving the driving roller to rotate when the frame body slides up and down.

[0016] In an optional embodiment, the roller drive assembly includes a rack, a gear and a circular rotation assembly; the rack is fixedly mounted on the inner wall of the mounting groove, and the gear is rotatably mounted on the driving roller and meshes with the rack; the circular rotation assembly is connected between the roller and the gear, and drives the roller to rotate unidirectionally when the gear rotates relative to the roller.

[0017] In an optional embodiment, the cyclic rotating component includes:

[0018] A ratchet wheel fixedly mounted on the driving roller shaft;

[0019] A baffle, fixedly mounted on the side of the gear;

[0020] A ratchet pawl, rotatably mounted on a side surface of the gear;

[0021] A return spring is installed between the baffle and the pawl, and the pawl is engaged with the ratchet wheel under the action of the return spring.

[0022] In an optional embodiment, each of the rollers passes through the frame body, and the inner side wall of the mounting groove is provided with a plurality of guide grooves corresponding one-to-one to the end rotating shafts of each of the rollers, and the end rotating shafts of each of the rollers can rotate and slide up and down in the corresponding guide grooves, respectively.

[0023] In an optional embodiment, the outer side surface of the battery body is provided with a plurality of slots which are connected to the guide slots in a one-to-one correspondence, and a protective plate is respectively provided inside each of the slots.

[0024] In an optional embodiment, the steering assembly further includes a protective frame fixedly mounted on the bottom surface of the battery body, and along the up and down directions, the projections of the transmission assembly, the protective frame and the buffer plate in the same horizontal plane satisfy:

[0025] The projection of the transmission assembly is located within the projection area of ​​the protection frame, and at least a portion of the projection of the buffer plate avoids the projection area of ​​the protection frame.

[0026] In an optional embodiment, the frame body is also fixedly connected to a shovel block which is arranged below the steering belt and contacts the bottom surface of the steering belt, and the cross-section of the shovel block cut along the rotation direction of the steering belt is polygonal.

[0027] In a second aspect, the present invention provides a vehicle equipped with a power battery according to any one of the aforementioned embodiments.

[0028] The power battery provided in the first aspect of the embodiment of the present invention can achieve at least the following beneficial effects:

[0029] When in use, the power battery is installed on a vehicle. During the driving process of the vehicle, when the bottom of the power battery collides with obstacles such as stones on the road, the impact force will first reach the surface of the steering belt and then be transmitted to the buffer plate. The buffer plate slides up relative to the battery body in the installation groove. In this process, on the one hand, the elastic buffer is squeezed to achieve deformation and buffering to absorb part of the impact energy. On the other hand, at the same time, the transmission component drives the steering belt to rotate relative to the buffer plate, and the steering belt will drive the obstacle to rotate, causing the displacement direction of the obstacle to deflect, thereby dispersing the impact energy of the obstacle on the power battery, and then using the buffer component to absorb the impact energy, while driving the steering component to twist the displacement direction of the impact object. The synergistic effect of these two aspects reduces the impact force of external impact objects on the power battery, reduces damage to the battery body, strengthens the instability protection capability of the battery body, and reduces safety hazards such as thermal runaway of the power battery.

[0030] Since the vehicle provided in the second aspect of the embodiment of the present invention is installed with (including) the power battery provided in the first aspect, the vehicle provided in the embodiment of the present invention can achieve all the beneficial effects that can be achieved by the power battery provided in the first aspect. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] In order to more clearly illustrate the specific implementation methods of the present invention or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0032] Figure 1 A schematic diagram of the overall structure of a power battery provided by an embodiment of the present invention from one perspective;

[0033] Figure 2 for Figure 1 A magnified view of the local structure of the middle A area;

[0034] Figure 3 A schematic diagram of the overall structure of a power battery provided by an embodiment of the present invention from another perspective;

[0035] Figure 4 for Figure 3 A magnified view of the local structure of part B in the middle;

[0036] Figure 5 An axonometric cross-sectional view of a power battery provided by an embodiment of the present invention;

[0037] Figure 6 A schematic diagram of an axonometric exploded structure of a power battery provided by an embodiment of the present invention;

[0038] Figure 7 for Figure 6 A magnified view of the local structure of the D part;

[0039] Figure 8 for Figure 6 A magnified view of the local structure of the middle C area;

[0040] Fig. 9 for Figure 8 A magnified view of the local structure of part E in the middle.

[0041] Icons: 1-battery body; 2-installation slot; 3-buffer plate; 4-elastic buffer; 5-steering belt; 6-frame body; 7-roller; 8-connecting plate; 9-guide groove; 10-card slot; 11-protective plate; 12-gear; 13-rack; 14-protective frame; 15-notch; 16-shovel block; 17-rotating sleeve shaft; 18-ratchet; 19-pawl; 20-baffle; 21-reset spring. DETAILED DESCRIPTION

[0042] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Generally, the components of the embodiments of the present invention described and shown in the drawings here can be arranged and designed in various different configurations.

[0043] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the invention claimed for protection, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0044] It should be noted that like reference numerals and letters denote similar items in the drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0045] In the description of the present invention, it should be noted that:

[0046] Unless otherwise clearly specified and limited, the terms "disposed", "installed" and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be a communication between the two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0047] The terms "upper", "lower", "vertical", "horizontal", "inside", "outside", etc. indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, or the positions or positional relationships in which the inventive product is usually placed when in use. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "horizontal" and "vertical" do not mean that the components are required to be absolutely horizontal or suspended, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0048] The terms "first", "second", "third", etc. are only used for distinguishing descriptions and do not indicate the total number or relative position in time and / or space, and should not be understood as indicating or implying relative importance.

[0049] Some embodiments of the present invention are described in detail below in conjunction with the accompanying drawings. In the absence of conflict, the features of the following embodiments and the optional embodiments in the embodiments can be combined with each other.

[0050] Embodiment 1

[0051] This embodiment provides a power battery, referring to Figures 1 to 9 The power battery includes a battery body 1, a buffer assembly and a steering assembly; specifically: a mounting groove 2 is provided on the bottom surface of the battery body 1; the buffer assembly includes a buffer plate 3 and an elastic buffer 4, the buffer plate 3 is arranged inside the mounting groove 2 and is slidably installed on the battery body 1 up and down, and the plate surface of the buffer plate 3 extends in the horizontal direction; the elastic buffer 4 is arranged between the top surface of the buffer plate 3 and the inner top wall of the mounting groove 2; the steering assembly includes a steering belt 5 and a transmission assembly, the steering belt 5 is sleeved on the outside of the buffer plate 3, and the steering belt 5 is connected to the buffer plate 3 through the transmission assembly, and the transmission assembly can drive the steering belt 5 to rotate relative to the buffer plate 3 when the buffer plate 3 slides up and down.

[0052] When in use, the power battery is installed on a vehicle. During the driving process of the vehicle, when the bottom of the power battery collides with obstacles such as stones on the road, the impact force will first reach the surface of the steering belt 5 and then be transmitted to the buffer plate 3. The buffer plate 3 slides up relative to the battery body 1 in the installation groove 2. In this process, on the one hand, the elastic buffer 4 is squeezed to achieve deformation and buffering to absorb part of the impact energy. On the other hand, at the same time, the transmission component drives the steering belt 5 to rotate relative to the buffer plate 3, and the steering belt 5 will drive the obstacle to rotate, causing the displacement direction of the obstacle to deflect, thereby dispersing the impact energy of the obstacle on the power battery, and then using the buffer component to absorb the impact energy, while driving the steering component to twist the displacement direction of the impact object. The synergistic effect of these two aspects reduces the impact force of external impact objects on the power battery, reduces damage to the battery body 1, strengthens the instability protection capability of the battery body 1, and reduces safety hazards such as thermal runaway of the power battery.

[0053] In this embodiment, the elastic buffer 4 has a variety of optional installation methods in the space between the top surface of the buffer plate 3 and the inner top wall of the installation groove 2, such as but not limited to, directly filling the elastic buffer 4 in the space, which is particularly suitable for when the elastic buffer 4 is a foam material or other scattered materials, and also such as but not limited to, fixing the elastic buffer 4 to the inner top wall of the installation groove 2, the elastic buffer 4 is suspended on the buffer plate 3 and the top surface of the steering belt 5 sleeved on the outside of the buffer plate 3, when the external impact object slides up with the buffer plate 3, the top surface of the steering belt 5 contacts the elastic buffer 4 so that the elastic buffer 4 absorbs part of the impact energy. It should be noted that the elastic buffer 4 It is not necessary to be suspended on the buffer plate 3 and the top surface of the steering belt 5 sleeved on the outside of the buffer plate 3. For example, in some optional implementations of the present embodiment, the buffer assembly further includes a frame body 6, which is fixedly connected to the periphery of the buffer plate 3 and slidably installed on the inner side wall of the mounting groove 2 of the battery body 1; a connecting plate 8 arranged above the buffer plate 3 is also fixedly connected to the frame body 6, and the elastic buffer 4 is arranged between the top surface of the connecting plate 8 and the inner top wall of the mounting groove 2. The elastic buffer 4 can be suspended or fixedly connected to the top surface of the connecting plate 8. Figure 6 The structure shown is an exemplary structure in which a spring is selected as the elastic buffer 4 and the elastic buffer 4 is fixedly connected to the top surface of the connecting plate 8. When an external impact object slides up with the buffer plate 3, the frame body 6 and the connecting plate 8 slide up with the buffer plate 3. When the upper end of the spring contacts the top wall of the mounting groove 2 and continues to slide up, the connecting plate 8 can compress the spring to absorb part of the impact energy.

[0054] For the specific design form of the transmission assembly in the above optional implementation mode, optionally, as Figures 1 to 6 As shown, the transmission assembly includes a roller shaft 7 and a roller shaft driving assembly. The roller shaft 7 is arranged inside the steering belt 5, and includes a driving roller shaft and a driven roller shaft respectively rotatably mounted on the frame body 6, and the driving roller shaft and the driven roller shaft are arranged on opposite sides of the buffer plate 3. The roller shaft driving assembly is connected between the driving roller shaft and the frame body 6, and can drive the driving roller shaft to rotate when the frame body 6 slides up and down. The buffer plate 3 contacts the inner bottom surface of the steering belt 5.

[0055] Further, refer to Figures 6 to 9The roller drive assembly includes a rack 13, a gear 12 and a circular rotation assembly; the rack 13 is fixedly mounted on the inner side wall of the mounting groove 2, the gear 12 is rotatably mounted on the driving roller and meshes with the rack 13; the circular rotation assembly is connected between the roller 7 and the gear 12, and drives the roller 7 to unidirectionally cyclically rotate when the gear 12 rotates relative to the roller 7. When the buffer plate 3 slides up and down, the driving roller on the frame body 6 also slides up and down, and the gear 12 rotates while sliding up and down relative to the rack 13. The circular rotation assembly, as an intermediate transmission structure, transmits the rotation of the gear 12 relative to the roller 7 to the driving roller so that the driving roller rotates unidirectionally and continuously, thereby driving the steering belt 5 to rotate unidirectionally and continuously. The driven roller follows the steering belt 5 to rotate and provides auxiliary support and guidance for the rotation of the steering belt 5. During the process, the external impact object (obstacle) is moved by the bottom surface of the steering belt 5 to reverse its movement displacement.

[0056] The above-mentioned circulating rotating assembly plays the role of the above-mentioned intermediate transmission and limits the one-way rotation of the steering belt 5. Optionally, the circulating rotating assembly includes a ratchet 18, a baffle 20, a pawl 19 and a reset spring 21. The ratchet 18 is fixedly installed on the driving roller shaft through the rotating sleeve shaft 17; the baffle 20 is fixedly installed on the side of the gear 12, the pawl 19 is rotatably installed on the side of the gear 12, and the reset spring 21 is installed between the baffle 20 and the pawl 19. The pawl 19 engages with the ratchet 18 under the action of the reset spring 21. When the buffer plate 3 slides up and down, the driving roller shaft on the frame body 6 also slides up and down, the gear 12 slides up and down relative to the rack 13 and rotates at the same time, the pawl 19 rotates with the gear 12, and the ratchet 18 and the pawl 19 cooperate to rotate unidirectionally, so that the driving roller shaft fixedly connected to the ratchet 18 rotates unidirectionally.

[0057] For ease of installation, in an optional implementation of this embodiment, refer to FIG. Figure 2 , each roller 7 passes through the frame body 6, and a plurality of guide grooves 9 corresponding to the end shafts of each roller 7 are opened on the inner side wall of the mounting groove 2 at the bottom of the battery body 1, and the end shafts of each roller 7 can rotate and slide up and down in the corresponding guide grooves 9. Further optionally, a plurality of slots 10 corresponding to and communicating with each guide groove 9 are provided on the outer side of the battery body 1, and a protective plate 11 is respectively clamped inside each slot 10.

[0058] In an optional implementation of this embodiment, the steering assembly of the power battery further includes a protective frame 14 fixedly mounted on the bottom surface of the battery body 1, and along the up and down directions, the projections of the transmission assembly, the protective frame 14 and the buffer plate 3 in the same horizontal plane satisfy: the projection of the transmission assembly is located within the projection area of ​​the protective frame 14, and at least part of the projection of the buffer plate 3 avoids the projection area of ​​the protective frame 14. That is, the protective frame 14 blocks the bottom of the transmission assembly and does not block or does not completely block the bottom of the buffer plate 3, so that foreign impact objects will not directly impact the transmission assembly to affect the normal transmission of the steering assembly, and will not prevent foreign impact objects from lifting the buffer plate 3 upward.

[0059] In an optional embodiment, a shovel block 16 is fixedly connected to the frame body 6 and is arranged below the steering belt 5 and in contact with the bottom surface of the steering belt 5. The cross section of the shovel block 16 cut along the rotation direction of the steering belt 5 is polygonal. When the above-mentioned protective frame 14 is provided, a corresponding notch 15 is provided on the inner side of the protective frame 14 to avoid the above-mentioned shovel block 16. In this optional embodiment, by providing the shovel block 16, the shovel block 16 can scrape the bottom surface of the steering belt 5 when the steering belt 5 rotates, so that when the power battery is in use, the steering belt 5 on the steering assembly can simultaneously achieve self-cleaning of its surface when the displacement direction of the impact object is twisted, which will effectively reduce the adhesion of mud and sand at the bottom of the battery, thereby achieving the effect of reducing the load of the vehicle. The cross section of the shovel block 16 cut along the rotation direction of the steering belt 5 is polygonal, and the edge of its side surface can be used to improve the ability to scrape dirt from the steering belt 5 as much as possible.

[0060] Embodiment 2

[0061] This embodiment provides a vehicle, which is equipped with a power battery provided by any optional implementation manner in Example 1.

[0062] Since the vehicle provided in this embodiment is equipped with (including) the power battery described in Example 1, the vehicle provided in this embodiment can achieve all the beneficial effects that the power battery in Example 1 can achieve, and its specific structure and achievable effects can be obtained by referring to the various optional or preferred implementations in Example 1.

[0063] Finally, it should be noted that the above embodiments and their optional implementation modes in this specification are only used to illustrate the technical solutions of the present invention, rather than to limit them. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned optional implementation modes, or replace some or all of the technical features therein by equivalents. These modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present invention. In addition, it is emphasized again that the features of the embodiments in this specification and the optional implementation modes in the embodiments can be combined with each other without conflict.

Claims

1. A power battery, characterized in that: include: A battery body (1) having a mounting groove (2) on its bottom surface; A buffer assembly, comprising a buffer plate (3) and an elastic buffer member (4), wherein the buffer plate (3) is arranged inside the mounting groove (2) and is slidably mounted on the battery body (1) up and down, and the plate surface of the buffer plate (3) extends in a horizontal direction; and the elastic buffer member (4) is arranged between the top surface of the buffer plate (3) and the inner top wall of the mounting groove (2); A steering assembly, comprising a steering belt (5) and a transmission assembly, wherein the steering belt (5) is sleeved outside the buffer plate (3), the steering belt (5) is connected to the buffer plate (3) via the transmission assembly, and the transmission assembly can drive the steering belt (5) to rotate relative to the buffer plate (3) when the buffer plate (3) slides up and down; The buffer assembly further comprises a frame body (6), the frame body (6) being fixedly connected to the periphery of the buffer plate (3) and being slidably mounted on the inner side wall of the mounting groove (2) in an up-and-down manner; a connecting plate (8) arranged above the buffer plate (3) is also fixedly connected to the frame body (6), and the elastic buffer member (4) is arranged between the top surface of the connecting plate (8) and the inner top wall of the mounting groove (2); The transmission assembly comprises a roller shaft (7) and a roller shaft driving assembly; The roller shaft (7) is arranged inside the steering belt (5), and comprises a driving roller shaft and a driven roller shaft which are respectively rotatably mounted on the frame body (6), and the driving roller shaft and the driven roller shaft are respectively arranged on two opposite sides of the buffer plate (3); The roller drive assembly is connected between the drive roller and the frame body (6), and is capable of driving the drive roller to rotate when the frame body (6) slides up and down.

2. The power battery according to claim 1, characterized in that: The roller drive assembly comprises a rack (13), a gear (12) and a circular rotation assembly; the rack (13) is fixedly mounted on the inner side wall of the mounting groove (2); the gear (12) is rotatably mounted on the driving roller and meshes with the rack (13); the circular rotation assembly is connected between the roller (7) and the gear (12); when the gear (12) rotates relative to the roller (7), the roller (7) is driven to rotate in a unidirectional circular manner.

3. The power battery according to claim 2, characterized in that: The circulating rotating component comprises: A ratchet wheel (18) fixedly mounted on the driving roller shaft; A baffle (20) fixedly mounted on a side surface of the gear (12); A ratchet pawl (19) rotatably mounted on a side surface of the gear (12); A return spring (21) is installed between the baffle (20) and the pawl (19), and the pawl (19) is engaged with the ratchet (18) under the action of the return spring (21).

4. The power battery according to claim 1, characterized in that: Each of the roller shafts (7) passes through the frame body (6), and the inner side wall of the mounting groove (2) is provided with a plurality of guide grooves (9) corresponding one-to-one to the end rotation shafts of each of the roller shafts (7). The end rotation shafts of each of the roller shafts (7) can respectively rotate and slide up and down in the corresponding guide grooves (9).

5. The power battery according to claim 4, characterized in that: The outer side surface of the battery body (1) is provided with a plurality of slots (10) which are connected to the guide slots (9) in a one-to-one correspondence, and a protective plate (11) is respectively provided inside each of the slots (10).

6. The power battery according to claim 1, characterized in that: The steering assembly further comprises a protective frame (14) fixedly mounted on the bottom surface of the battery body (1), and in the up-down direction, the projections of the transmission assembly, the protective frame (14) and the buffer plate (3) in the same horizontal plane satisfy: The projection of the transmission assembly is located within the projection area of ​​the protection frame (14), and the projection of at least part of the buffer plate (3) avoids the projection area of ​​the protection frame (14).

7. The power battery according to claim 1, characterized in that: The frame body (6) is also fixedly connected to a shovel block (16) which is arranged below the steering belt (5) and contacts the bottom surface of the steering belt (5); the cross section of the shovel block (16) cut along the rotation direction of the steering belt (5) is polygonal.

8. A vehicle, characterized in that: A power battery according to any one of claims 1 to 7 is installed.

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