Rear frame structure of electric loader

Abstract

The utility model provides a rear frame structure of an electric loader, which relates to the technical field of loader accessory manufacturing and comprises a rear frame body, a power battery frame support and a welding counterweight. The power battery frame support comprises an upper power battery frame support and a lower power battery frame support; the welding balance weight is fixed to the tail of the rear frame body and comprises an upper plane baffle and side face baffles, and the bottom of the welding balance weight is of a hollow structure. The upper power battery frame support is arranged on the inner side of the rear frame body and is welded with the counterweight upper plane baffle; and the lower power battery frame support is arranged in the hollow structure at the bottom of the welding counterweight. Through the layered battery frame design, the upper power battery frame is installed on the inner side of the frame and welded with the counterweight upper plate, the lower power battery frame is installed on the hollow structure of the bottom of the welded counterweight, the upper power battery and the lower power battery are installed on the rear portion of the frame respectively, and the vertical space is utilized to the maximum extent; meanwhile, the battery frame is installed through the hollow structure welded with the balance weight, a traditional balance weight is replaced, and the mass of the whole machine is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to loader accessory manufacturing technical field, especially relates to a kind of electric loader rear frame structure. BACKGROUND

[0002] The statements in this section merely provide background information related to the present disclosure and do not necessarily constitute the prior art.

[0003] As an important engineering machinery, loaders have a wide range of applications in logistics, construction and mining, etc. With the continuous development of new energy technology, electric loaders are gradually popularized due to their advantages of energy saving, environmental protection and high efficiency. However, the existing electric loaders have the following problems:

[0004] (1) Space layout is tight: power batteries, motors, radiators and other components need to be arranged in the rear part of the frame. In traditional design, the battery installation space is scattered, resulting in low space utilization;

[0005] (2) Complex counterweight design: traditional counterweight requires additional space and has large mass, resulting in high vehicle cost and uneven distribution of gravity center;

[0006] (3) Difficult to maintain: the battery mounting frame is closed, and multiple components need to be disassembled for maintenance, which is cumbersome to operate. SUMMARY

[0007] In view of the deficiencies of the prior art, the utility model provides a kind of electric loader rear frame structure, structure compact, adjust accurate and strong adaptability, solve one or more technical problems existing in prior art.

[0008] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0009] A kind of electric loader rear frame structure, including rear frame body, power battery frame support and welding counterweight (6);

[0010] The power battery frame support includes upper power battery frame support (5) and lower power battery frame support;

[0011] The welding counterweight (6) is fixed at the tail of the rear frame body, including upper plane baffle and side baffle, and the bottom is a hollow structure;

[0012] The upper power battery frame support (5) is arranged on the inner side of the rear frame body and the upper plane baffle of the welding counterweight (6);The lower power battery frame support is arranged in the hollow structure at the bottom of the welding counterweight (6).

[0013] Further, the upper power battery frame support (5) comprises two upper power battery front supports (5-1) arranged at left and right sides, two upper power battery middle supports (5-2) arranged at left and right sides and two upper power battery rear supports (5-3) arranged at left and right sides, the two upper power battery front supports (5-1) are arranged at the rear part of the rear frame body, the two upper power battery middle supports (5-2) are arranged at the front part of the welding weight (6), and the two upper power battery rear supports (5-3) are arranged at the middle rear part of the welding weight (6).

[0014] Further, the welding weight (6) is provided with threaded holes at front and rear parts, and the lower power battery frame support is fixed on the welding weight (6) by matching the threaded holes with bolts.

[0015] Further, the front end face baffle of the side baffle has a length greater than the width of the rear frame body and a width suitable for the width of the tail connecting part of the rear frame body.

[0016] Further, the side of the welding weight (6) is provided with a maintenance hole (9) penetrating the side wall of the welding weight (6).

[0017] Further, the hollow structure of the welding weight (6) is provided with a reinforcing cross beam (10) fixedly connected to the side wall of the welding weight (6) at two ends.

[0018] Further, the rear frame body further comprises a gearbox support (3) arranged at the front part of the rear frame body, the gearbox support (3) comprises two front and rear gearbox front supports (3-1) and two front and rear gearbox rear supports (3-2) arranged at left and right sides, and the middle axis of the gearbox front support (3-1) and the gearbox rear support (3-2) connected at the middle position is located on the same horizontal straight line as the middle axis of the rear frame body.

[0019] Further, the rear frame body further comprises a working motor support (4) arranged at the middle right side of the rear frame body, the working motor support (4) comprises two front and rear working motor front supports (4-1) and two front and rear working motor rear supports (4-2) arranged at left and right sides.

[0020] Further, the rear frame body further comprises a radiator support (7) arranged at the middle left side of the rear frame body, the radiator support (7) comprises two front and rear radiator front supports (7-1) and two front and rear radiator rear supports (7-2) arranged at left and right sides.

[0021] Further, the radiator front support (7-1) is arranged adjacent to the gearbox rear support (3-2), and the radiator rear support (7-2) is arranged adjacent to the working motor rear support (4-2).

[0022] By adopting the technical scheme, the utility model has the advantages as follows:

[0023] (1) The utility model provides a layered battery frame design, through install upper power battery frame in the inside of frame and weld counterweight upper plate, install lower power battery frame in weld counterweight bottom hollow structure, install upper and lower power battery respectively in frame rear part, maximize use vertical space, simultaneously, install battery frame with the hollow structure of weld counterweight, replace traditional counterweight, reduce whole machine quality.

[0024] (2) The utility model discloses a maintenance hole is arranged on the side wall of weld counterweight, simplifies battery maintenance process.

[0025] (3) The utility model discloses the support of each functional part is symmetrical layout, wherein, the gearbox support, radiator support, working motor support are symmetrically distributed in the front and middle part of the frame, and the power battery support of the upper power battery frame is symmetrically distributed in the rear of the frame and the weld counterweight, so that the layout of each functional part is compact, and the gravity center is uniformly distributed. BRIEF DESCRIPTION OF DRAWINGS

[0026] The drawings accompanying the specification provide further understanding of the utility model, and the illustrative embodiments of the utility model and the description thereof are used to explain the utility model, and do not constitute improper limitation on the utility model.

[0027] Figure 1 The utility model provides the whole structure schematic diagram of electric loader rear frame;

[0028] Figure 2 The utility model provides weld counterweight bottom view;

[0029] Wherein, 1, rear frame articulates;2, cab support;3, gearbox support;3-1, gearbox front support;3-2, gearbox rear support;4, working motor support;4-1, working motor front support;4-2, working motor rear support;5, upper power battery frame support;5-1, upper power battery front support;5-2, upper power battery middle support;5-3, upper power battery rear support;6, weld counterweight;7, radiator support;7-1, radiator front support;7-2, radiator rear support;8, left and right side plates;9, maintenance hole;10, reinforcing crossbeam;11-1, front threaded hole;11-2, rear threaded hole. DETAILED DESCRIPTION

[0030] The utility model will be further described below in connection with the drawings and embodiments.

[0031] It should be pointed out that the following detailed description is exemplary, and is intended to provide further description of the utility model. Unless otherwise specified, all technical and scientific terms used in this paper have the same meaning as that generally understood by ordinary skilled persons in the technical field to which the utility model belongs.

[0032] It should be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the exemplary embodiments according to the present invention. As used herein, the singular form is intended to include the plural form as well, unless the context clearly indicates otherwise. Furthermore, it should be understood that when the terms "comprising" and / or "including" are used in this specification, they indicate the presence of features, steps, operations, devices, components, and / or combinations thereof.

[0033] Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0034] Example 1

[0035] A typical embodiment of this utility model is as follows: Figure 1 As shown, an electric loader rear frame structure includes a rear frame body, a rear frame hinge (1), left and right side plates (8), a power battery frame support and a welded counterweight (6).

[0036] The power battery frame support includes an upper power battery frame support (5) and a lower power battery frame support;

[0037] The welded counterweight (6) is fixed to the rear of the rear frame body, including the upper flat baffle and the side baffle, and the bottom is a hollow structure;

[0038] The upper power battery frame support (5) is located inside the rear frame body and on the upper flat baffle of the welded counterweight (6); the lower power battery frame support is located in the hollow structure at the bottom of the welded counterweight (6).

[0039] Specifically, the upper power battery frame support (5) includes two upper power battery front supports (5-1) spaced apart on the left and right, two upper power battery middle supports (5-2) spaced apart on the left and right, and two upper power battery rear supports (5-3) spaced apart on the left and right. The two upper power battery front supports (5-1) are located at the rear of the rear frame body, the two upper power battery middle supports (5-2) are located at the front of the welded counterweight (6), and the two upper power battery rear supports (5-3) are located at the middle and rear of the welded counterweight (6). The welded counterweight (6) has threaded holes at the front and rear. The lower power battery frame support is fixed to the welded counterweight (6) by bolts matching the threaded holes. The threaded holes include six front threaded holes (11-1) with a diameter of 16mm and eight rear threaded holes (11-2) with a diameter of 16mm.

[0040] The length of the front face of the side panel is greater than the width of the rear frame body, and the width of the front face panel is adapted to the width of the rear connection of the rear frame body.

[0041] likeFigure 2 As shown in the figure, the side of the welding weight (6) is provided with a maintenance hole (9) penetrating the side wall of the welding weight (6). The hollow structure of the welding weight (6) is provided with a reinforcing cross beam (10) fixedly connected at both ends with the side wall of the welding weight (6).

[0042] The electric loader rear frame structure further comprises a gearbox support (3), the gearbox support (3) is arranged at the front part of the rear frame body, and the gearbox support (3) comprises a gearbox front support (3-1) and a gearbox rear support (3-2) arranged at intervals in front and back, and the middle axes of the gearbox front support (3-1) and the gearbox rear support (3-2) are located on the same horizontal straight line as the middle axis of the rear frame body.

[0043] The electric loader rear frame structure further comprises a working motor support (4), the working motor support (4) is arranged at the middle right side of the rear frame body, and the working motor support (4) comprises a working motor front support (4-1) and a working motor rear support (4-2) arranged at intervals in front and back.

[0044] The electric loader rear frame structure further comprises a radiator support (7), the radiator support (7) is arranged at the middle left side of the rear frame body, and the radiator support (7) comprises a radiator front support (7-1) and a radiator rear support (7-2) arranged at intervals in front and back. The radiator front support (7-1) is arranged adjacent to the gearbox rear support (3-2); and the radiator rear support (7-2) is arranged adjacent to the working motor rear support (4-2).

[0045] The electric loader rear frame structure further comprises a cab support (2), the cab support (2) is arranged at the front part of the rear frame body, and the cab support (2) comprises a cab front support and a cab rear support arranged at intervals in front and back, the cab front support comprises a cab left front support and a cab right front support arranged at intervals in left and right, and the cab rear support comprises a cab left rear support and a cab right rear support arranged at intervals in left and right.

[0046] Working principle

[0047] The electric loader rear frame structure provided by the utility model divides the power battery into layers, and the upper battery frame is loaded from the upper side of the frame, and the lower battery frame is pushed from the bottom of the welding weight and fixed by bolts, so that a vertical double-layer layout is formed.

[0048] The power battery is arranged in the upper and lower battery frames, the weight of the power battery is transmitted to the tail of the frame through the welding weight, the traditional counterweight is replaced, the self-weight is reduced by the hollow structure, the power battery is designed in an integrated manner with the welding weight, the gravity center is ensured to move backward, the risk of inclination of the loader during operation is avoided, and the space utilization rate of the rear part of the frame is improved.

[0049] The utility model discloses still have the repair hole on the side wall of welding counterweight, and the staff can directly overhaul the power battery in the battery frame through the repair hole, need not to disassemble other parts.

[0050] In the description of the present application, the terms "connection", "installation", "fixation", "arrangement" and the like are understood broadly, for example, "connection" can be fixed connection or indirectly through intermediate components on the basis of not affecting the component relationship and technical effect, can also be integrated connection or partial connection, such as the case for the person skilled in the art, the specific meaning of the above terms in the utility model or utility model can be understood according to the specific circumstances.

[0051] The above is only the preferred specific embodiment of the utility model, but the protection scope of the utility model is not limited to this, any person skilled in the art in the technical range disclosed by the utility model, according to the technical scheme of the utility model and the utility model concept, equivalent replacement or change, should be covered in the protection scope of the utility model.

Claims

1. An electrically powered loader rear frame structure comprising a rear frame body, characterized in that, The power battery frame support and the welding weight (6) are further included; The power battery frame support includes an upper power battery frame support (5) and a lower power battery frame support; The welding weight (6) is fixed at the tail of the rear frame body and includes an upper plane baffle and a side baffle, and the bottom is a hollow structure. The upper power battery frame support (5) is arranged on the inside of the rear frame body and the upper plane baffle of the welding weight (6), and the lower power battery frame support is arranged in the hollow structure at the bottom of the welding weight (6).

2. The electrically powered loader rear frame structure of claim 1, wherein, The upper power battery frame support (5) includes two left and right spaced upper power battery front supports (5-1), two left and right spaced upper power battery middle supports (5-2) and two left and right spaced upper power battery rear supports (5-3), the two upper power battery front supports (5-1) are arranged at the rear of the rear frame body, the two upper power battery middle supports (5-2) are arranged at the front of the welding weight (6), and the two upper power battery rear supports (5-3) are arranged at the middle rear of the welding weight (6).

3. The electrically powered loader rear frame structure of claim 1, wherein, The welding weight (6) is provided with threaded holes at the front and rear, and the lower power battery frame support is fixed on the welding weight (6) by matching the threaded holes with bolts.

4. The electrically powered loader rear frame structure of claim 1, wherein, The front end face baffle length of the side baffle is greater than the width of the rear frame body, and the width of the front end face baffle is adapted to the width of the tail connection of the rear frame body.

5. The electrically powered loader rear frame structure of claim 1, wherein, The side of the welding weight (6) is provided with a maintenance hole (9) penetrating through the side wall of the welding weight (6).

6. The electrically powered loader rear frame structure of claim 1, wherein, The hollow structure of the welding weight (6) is provided with a reinforcing cross beam (10) fixedly connected at both ends with the side wall of the welding weight (6).

7. The electrically powered loader rear frame structure of claim 1, wherein, The gearbox support (3) is further included, which is arranged at the front of the rear frame body and includes two front and rear spaced gearbox front supports (3-1) and gearbox rear supports (3-2), and the middle axis of the connection between the gearbox front support (3-1) and the gearbox rear support (3-2) is located on the same horizontal straight line as the middle axis of the rear frame body.

8. The electrically powered loader rear frame structure of claim 7, characterized in that, The working motor support (4) is further included, which is arranged at the middle right side of the rear frame body and includes two front and rear spaced working motor front supports (4-1) and working motor rear supports (4-2).

9. The electrically powered loader rear frame structure of claim 8, characterized in that, The radiator support (7) is further included, which is arranged at the middle left side of the rear frame body and includes two front and rear spaced radiator front supports (7-1) and radiator rear supports (7-2).

10. The electrically powered loader rear frame structure of claim 9, characterized in that, The radiator front support (7-1) is arranged adjacent to the gearbox rear support (3-2), and the radiator rear support (7-2) is arranged adjacent to the working motor rear support (4-2).

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