Inverted battery frame for electric loader

Abstract

The utility model discloses a back-off type battery frame for an electric loader. The back-off type battery frame comprises a frame-shaped structure which is formed by assembling a bottom-layer welding part, a lower-layer frame welding part, a middle-layer frame welding part and an upper-layer frame welding part from bottom to top, every two adjacent welded parts in the frame-shaped structure are detachably connected. Each of the lower-layer frame welding part, the middle-layer frame welding part and the upper-layer frame welding part is of a back-off type welding part structure with supporting legs at the lower part and a mounting plate at the upper part; a plurality of dustproof windows are formed in one side of the frame-shaped structure; the bottom layer welding part, the lower layer frame welding part, the middle layer frame welding part and the upper layer frame welding part are each provided with a plurality of heat dissipation windows. And a plurality of hoisting structures are arranged at the top of the upper-layer frame welding part. The capacity of the battery can be ensured to be large enough under the condition that the battery placement space is limited; a back-off welding structure is adopted, so that the battery is more convenient to mount, and interference of a battery frame is avoided; and a dustproof window and a heat dissipation window are arranged, so that a better ventilation condition is provided for the battery, and enough air circulation space is provided for the radiator.

Description

TECHNICAL FIELD

[0001] The utility model belongs to engineering machinery technical field, concretely relates to a reverse buckle type battery frame for electric loader. BACKGROUND

[0002] The statements herein only provide background technology related to the utility model, and do not necessarily constitute prior art.

[0003] As a new energy engineering machinery, electric loader replaces traditional internal combustion engine with electric motor, and generally uses battery as power supply under universal working condition, but due to the particularity of working condition and working capacity, it consumes more electric energy, and often needs to be matched with larger capacity battery to improve working time, but the large capacity battery is also larger in size, and the space of loader is limited, how to make good use of the limited space on the loader to arrange larger capacity battery is a problem to be solved in the research and development process.

[0004] After designing small electric loader on the basis of the appearance of the previous small loader, the inventor found that the existing battery frame is mostly used for large tonnage (such as 6 tons, 7 tons, etc.) loader, which needs to be equipped with 10 or even more power batteries, so its size is larger and cannot be applied to small electric loader with smaller reserved battery space. Moreover, the existing battery frame usually adopts the design scheme of fixing the vertical plate to the horizontal plate and sealing the battery frame with the sealing plate, which makes it difficult for air to circulate when used in small tonnage models with limited space, cannot meet the air volume requirement of the radiator, and has poor ventilation performance. In addition, the existing battery frame usually adopts the way of hoisting each layer of partition to a specific height and then fixing it with bolts during assembly, which has higher requirements for the assembly process. UTILITY MODEL CONTENTS

[0005] The utility model aims at overcoming the defects in the prior art, and provides a reverse buckle type battery frame for electric loader, which is divided into four layers in the vertical direction and places three power batteries, ensuring that the battery capacity is large enough under the condition of limited battery space. The reverse buckle type welding structure can make the battery installation more convenient and avoid interference of the battery frame during battery installation. The dustproof window and the heat dissipation window can provide better ventilation conditions for the battery and provide enough air flow space for the radiator. In addition, the design of the dustproof window can also reduce the dust attached to the battery during the reverse blowing of the radiator.

[0006] In order to achieve the above purpose, the utility model is realized by the following technical scheme:

[0007] The technical scheme of the utility model provides a kind of inverted buckle type battery frame for electric loader, comprising: by bottom welding, lower frame welding, middle frame welding, upper frame welding from bottom to top assembled into frame structure;Two welding adjacent in the frame structure can be detachably connected;Lower frame welding, middle frame welding, upper frame welding are all inverted buckle type welding structure with support leg below and mounting plate above;Multiple dustproof windows are arranged on one side of the frame structure;Multiple heat dissipation windows are arranged on the bottom welding, lower frame welding, middle frame welding, upper frame welding;Multiple hoisting structures are arranged on the top of the upper frame welding.

[0008] In at least one embodiment, the bottom welding includes a bottom plate and a support plate; the support plate is a bent structure, and the bottom end of the support plate is welded and fixed to the front side of the bottom plate.

[0009] In at least one embodiment, a pipeline through hole is arranged on the front side of the bottom welding; specifically, a pipeline through hole is arranged on the front side of the bottom plate, and a corresponding pipeline through hole is also arranged on the corresponding position of the support plate.

[0010] In at least one embodiment, the lower frame welding includes a lower mounting plate, a first front side support leg and a first rear side support leg; the top of the first front side support leg and the first rear side support leg are both welded and fixed to the bottom of the lower mounting plate; the bottom of the first rear side support leg is welded to a first connecting plate; the height of the first front side support leg is less than the height of the first rear side support leg.

[0011] In at least one embodiment, the middle frame welding includes a middle mounting plate, a second front side support leg and a second rear side support leg; the top of the second front side support leg and the second rear side support leg are both welded and fixed to the bottom of the middle mounting plate; the bottom of the second front side support leg is welded to a second connecting plate; the bottom of the second rear side support leg is welded to a third connecting plate.

[0012] In at least one embodiment, the upper frame welding includes an upper mounting plate, a third front side support leg and a third rear side support leg; the top of the third front side support leg and the third rear side support leg are both welded and fixed to the bottom of the upper mounting plate; the bottom of the third front side support leg is welded to a fourth connecting plate; the bottom of the third rear side support leg is welded to a fifth connecting plate.

[0013] In at least one embodiment, a first expansion plate is welded to the right side of the upper mounting plate, and a second expansion plate is welded to the right side of the fourth connecting plate; an irregular plate is arranged between the first expansion plate and the second expansion plate, and the outermost sides of the second expansion plate and the first expansion plate are respectively welded to the two ends of the irregular plate.

[0014] In at least one embodiment, a plurality of dustproof windows are arranged on one side of the frame structure, specifically, the rear side of the lower layer welding, the middle layer welding, and the upper layer welding of the frame are provided with dustproof windows, and the inner side of the dustproof windows is provided with a shutter.

[0015] In at least one embodiment, a plurality of threaded seats are arranged on the bottom layer welding, the lower layer welding, the middle layer welding, and the upper layer welding of the frame.

[0016] In at least one embodiment, a plurality of wire harness fixing bending plates are arranged on the lower layer welding, the middle layer welding, and the upper layer welding of the frame.

[0017] The beneficial effects of the technical scheme of the utility model are as follows:

[0018] The frame structure composed of the bottom layer welding, the lower layer welding, the middle layer welding, and the upper layer welding of the frame from bottom to top can divide the battery placing space into four layers in the longitudinal direction, can place three power batteries, and ensures that the battery capacity is large enough under the condition that the battery placing space is limited; the upper, middle, and lower layers of the frame structure are all arranged as inverted buckle welding structures, which can make the battery installation more convenient and avoid interference of the battery frame during the battery installation process; the dustproof windows arranged on the frame structure and the heat dissipation windows arranged on each layer of welding can provide better ventilation conditions for the battery and provide sufficient air flow space for the radiator, and the design of the dustproof window can also reduce the dust attached to the battery during the reverse blowing of the radiator. BRIEF DESCRIPTION OF DRAWINGS

[0019] The drawings accompanying the specification of the utility model form part of the utility model and are used to provide a further understanding of the utility model, and the schematic embodiments of the utility model and the description thereof are used to explain the utility model and do not constitute an improper limitation on the utility model.

[0020] Figure 1 is a whole structure schematic view of the inverted buckle type battery frame for the electric loader of the utility model;

[0021] Figure 2 is an upper layer welding structure schematic view of the inverted buckle type battery frame for the electric loader of the utility model;

[0022] Figure 3 is a middle layer welding structure schematic view of the inverted buckle type battery frame for the electric loader of the utility model;

[0023] Figure 4 is a lower layer welding structure schematic view of the inverted buckle type battery frame for the electric loader of the utility model;

[0024] Figure 5This is a schematic diagram of the bottom welding structure of an inverted battery frame for an electric loader according to the present invention;

[0025] Figure 6 This is a top view of the bottom welded structure of an inverted battery frame for an electric loader according to this utility model;

[0026] Figure 7 This is a schematic diagram of the structure of an inverted battery frame for an electric loader after the battery is installed.

[0027] In the diagram: 1. Base plate; 2. Support plate; 3. Battery frame mounting hole; 4. Lower mounting plate; 5. First front support leg; 6. Middle mounting plate; 7. Second front support leg; 8. Upper mounting plate; 9. Third front support leg; 10. First extension plate; 11. Second extension plate; 12. Louver; 13. Lifting lug; 14. Third rear support leg; 15. Fifth connecting plate; 16. Fourth connecting plate; 17. Second rear support leg; 18. Third connecting plate; 19. Second connecting plate; 20. First rear support leg; 21. First connecting plate; 22. Pipe through hole.

[0028] The distances or dimensions between parts have been exaggerated to show their positions; the diagram is for illustrative purposes only. Detailed Implementation

[0029] It should be noted that the following detailed description is illustrative and intended to provide further explanation of the present invention. Unless otherwise specified, all technical and scientific terms used in this invention have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains.

[0030] For ease of description, the words "up," "down," "left," and "right" appearing in this utility model only indicate that they are consistent with the up, down, left, and right directions of the accompanying drawings. They do not limit the structure and are merely for the purpose of facilitating the description of this utility model and simplifying the description. They do not indicate or imply that the device or component referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0031] As described in the background section, the purpose of this utility model is to overcome the shortcomings of the prior art and provide an inverted battery frame for electric loaders. This frame is divided into four layers in the vertical direction, housing three power batteries, ensuring sufficient battery capacity even with limited space. The inverted welding structure makes battery installation more convenient and avoids interference from the battery frame during installation. Dustproof and heat dissipation windows provide better ventilation for the batteries and sufficient airflow for the radiator. Furthermore, the dustproof window design reduces dust adhering to the batteries when the radiator blows air backwards.

[0032] Embodiment 1

[0033] In a typical embodiment of the utility model, as shown in Figure 1 and Figure 7 , the embodiment discloses an inverted-buckle type battery frame for an electric loader, comprising: a frame structure assembled from bottom welding, lower frame welding, middle frame welding and upper frame welding from bottom to top, wherein two adjacent weldings in the frame structure are detachably connected, the bottom welding, the lower frame welding, the middle frame welding and the upper frame welding are all inverted-buckle type welding structures with support legs below and mounting plates above; a plurality of dustproof windows are formed on one side of the frame structure, and the bottom welding, the lower frame welding, the middle frame welding and the upper frame welding are all provided with a plurality of heat dissipation windows, and the upper frame welding is provided with a plurality of hoisting structures on the top.

[0034] In the embodiment, the frame structure assembled from bottom welding, lower frame welding, middle frame welding and upper frame welding from bottom to top can divide the battery placement space into four layers in the longitudinal direction, and can place three power batteries, so that the battery capacity is ensured to be large enough under the condition that the battery placement space is limited; the upper, middle and lower layers of the frame structure are all provided as inverted-buckle type welding structures, so that the battery installation is more convenient, and interference of the battery frame during the battery installation process is avoided; the dustproof windows provided on the frame structure and the heat dissipation windows formed on each layer of welding can provide better ventilation conditions for the batteries and provide sufficient air flow space for the radiator, and in addition, the design of the dustproof windows can also reduce the dust attached to the batteries during the reverse blowing of the radiator, so as to ensure the service life of the power batteries, lines and electrical elements and other equipment inside the battery frame. The hoisting structure is arranged on the top of the upper frame welding, so that the upper frame welding can be hoisted and installed, and after the battery assembly is completed, the whole can be hoisted and installed on the electric loader.

[0035] As shown in Figure 5 , the bottom welding of the embodiment is used for fixing and installing the lower power battery, and comprises a bottom plate 1 and a support plate 2. The bottom plate 1 is provided with a plurality of battery mounting holes for mounting the lower power battery, and a plurality of windows are formed in the bottom plate 1, which can not only ensure heat dissipation, but also make the battery frame lightweight, reduce the weight of the battery frame, and at the same time, reduce the production cost of the battery frame. The support plate 2 is in a bent structure, and the bottom end thereof is welded and fixed with the front side of the bottom plate 1 to form a bottom plate 1 welding. A pipeline through hole 22 is arranged on the front side of the bottom plate 1 welding, which is used for passing through the cooling pipelines of various motors, hydraulic systems and the like. The pipeline through hole 22 is formed on the front side of the bottom plate 1, and at the same time, a corresponding position of the support plate 2 welded with the front end of the bottom plate 1 is also correspondingly formed, as shown in Figure 6 . In addition, battery frame mounting holes 3 are formed on the four corners of the bottom welding respectively, which are used for fixing and installing the battery frame on the electric loader.

[0036] As Figure 4 shown, the lower frame welding of the embodiment is used for fixing the middle layer power battery, which includes a lower mounting plate 4, three first front side support legs 5, and three first rear side support legs 20. The lower mounting plate 4 is provided with a plurality of battery mounting holes for mounting the middle layer power battery. The top of the first front side support leg 5 and the first rear side support leg 20 are welded and fixed with the bottom of the lower mounting plate 4 to form a reverse buckle type welding structure. The bottom of the three first rear side support legs 20 is welded on the first connecting plate 21, and a plurality of bolt mounting holes are formed on the first connecting plate 21. The first connecting plate 21 is detachably connected with the rear side of the bottom welding bottom plate 1 through bolts. The three first front side support legs 5 are detachably connected with the front side of the bottom welding, and since the front side of the bottom welding is a bent support plate 2, the height of the three first front side support legs 5 is smaller than that of the first rear side support leg 20, so as to ensure that the top of the installed lower frame welding is at the same height.

[0037] In the embodiment, a plurality of windows are formed on the lower mounting plate 4, which not only ensures heat dissipation, but also makes the battery frame lightweight.

[0038] A wire harness fixing bending plate bent upward is arranged on the left side of the lower mounting plate 4 of the lower frame welding, and a plurality of threaded seats are arranged at positions such as support legs, which can guide and fix various wire harnesses, so that the wiring after the battery frame is installed with the battery is clearer, neater and more beautiful.

[0039] As Figure 3 shown, the middle frame welding of the embodiment is used for fixing the upper layer power battery, which includes a middle mounting plate 6, three second front side support legs 7, and three second rear side support legs 17. The middle mounting plate 6 is provided with a plurality of battery mounting holes for mounting the upper layer power battery. The top of the second front side support leg 7 and the second rear side support leg 17 is welded and fixed with the bottom of the middle mounting plate 6 to form a reverse buckle type welding structure. The bottom of the three second front side support legs 7 is welded on the second connecting plate 19, and the bottom of the three second rear side support legs 17 is welded on the third connecting plate 18. A plurality of bolt mounting holes are formed on the second connecting plate 19 and the third connecting plate 18. The middle frame welding is detachably mounted on the front side and the rear side of the lower mounting plate 4 of the lower frame welding through bolts.

[0040] In the embodiment, a plurality of windows are formed on the middle mounting plate 6, which not only ensures heat dissipation, but also makes the battery frame lightweight.

[0041] The middle layer mounting plate 6 left side of the middle layer frame welding is provided with a wire harness fixing bending plate bent downward, and a plurality of threaded seats are arranged at positions such as support legs, which can guide and fix various wire harnesses, so that the wiring after the battery frame is installed with the battery is clearer, neater and more beautiful. The middle layer mounting plate 6 right side is provided with a bending plate bent downward, which is used for fixing and installing the vehicle charger of the electric loader.

[0042] As shown in Figure 2 The upper layer frame welding of the embodiment includes an upper layer mounting plate 8, three third front side support legs 9 and three third rear side support legs 14. The upper layer mounting plate 8 top is provided with a plurality of threaded seats and wire harness fixing bending plates for guiding and fixing various wire harnesses, so that the wiring after the battery frame is installed with the battery is clearer, neater and more beautiful. The top of the third front side support leg 9 and the third rear side support leg 14 are both welded and fixed with the bottom of the upper layer mounting plate 8, forming an inverted buckle type welding structure. The bottom of the three third front side support legs 9 is welded on the fourth connecting plate 16, and the bottom of the three third rear side support legs 14 is welded on the fifth connecting plate 15. A plurality of bolt mounting holes are formed on the fourth connecting plate 16 and the fifth connecting plate 15, and the upper layer frame welding is detachably installed on the front side and the rear side of the middle layer mounting plate 6 of the middle layer frame welding through bolts.

[0043] In the embodiment, a plurality of windows are formed on the upper layer mounting plate 8, which not only ensures heat dissipation, but also makes the battery frame lightweight. The first expansion plate 10 is welded on the right side of the upper layer mounting plate 8, and the second expansion plate 11 is welded on the right side of the fourth connecting plate 16. An irregular plate is arranged between the first expansion plate 10 and the second expansion plate 11, and the second expansion plate 11 and the first expansion plate 10 are respectively welded on both ends of the irregular plate. The bottom of the first expansion plate 10 cooperates with the bending plate arranged on the right side of the middle layer mounting plate 6 to fixedly install the vehicle charger of the electric loader, and the irregular plate between the first expansion plate 10 and the second expansion plate 11 is fixedly installed with a charging gun port. By arranging the expansion plate, the installation of other auxiliary electrical devices can be realized.

[0044] As shown in Figure 1 In the embodiment, two dustproof windows are formed on the rear side of the lower layer frame welding, the middle layer frame welding and the upper layer frame welding, and a louver 12 is installed on the inner side of the dustproof window through a screw. The dustproof window can not only be used for heat dissipation of the radiator, but also can reduce the dust attached to the battery when the radiator blows back.

[0045] The specific installation process of the inverted buckle type battery frame for electric loader disclosed in the embodiment is as follows:

[0046] (1) Fix the lower layer power battery on the bottom layer welding: a plurality of battery mounting holes are arranged on the bottom plate 1 of the bottom layer welding, and the lower layer power battery is fixedly installed on the bottom plate 1 through screws;

[0047] (2) Hoist the lower frame weldment above the lower power battery, and install the lower frame weldment to the bottom weldment: use the threaded holes on the lower frame weldment to cooperate with the lifting ring screw to hoist the lower frame weldment above the lower power battery, and fix the lower frame weldment to the bottom weldment by bolts. At this time, the first front support leg 5 is connected to the support plate 2 of the bottom weldment, and the top of the installed lower frame weldment is ensured to be at the same height.

[0048] (3) Fix the middle power battery on the lower frame weldment: the lower mounting plate 4 of the lower frame weldment is provided with a plurality of battery mounting holes, and the middle power battery is fixed and mounted on the lower mounting plate 4 by screws.

[0049] (4) Hoist the middle frame weldment above the middle power battery, and install the middle frame weldment to the lower frame weldment: use the threaded holes on the middle frame weldment to cooperate with the lifting ring screw to hoist the middle frame weldment above the middle power battery, and fix the middle frame weldment to the lower frame weldment by bolts.

[0050] (5) Fix the upper power battery on the middle frame weldment: the middle mounting plate 6 of the middle frame weldment is provided with a plurality of battery mounting holes, and the upper power battery is fixed and mounted on the middle mounting plate 6 by screws.

[0051] (6) Hoist the upper frame weldment above the upper power battery, and install the upper frame weldment to the middle frame weldment: use the lifting lug 13 at the top of the upper frame weldment to hoist the upper frame weldment above the upper power battery, and fix the upper frame weldment to the middle frame weldment by bolts.

[0052] (7) Install other auxiliary electrical devices, and hoist the entire battery frame to the frame for installation: after installing other auxiliary electrical devices (on-board charger, charging gun, wiring, etc.), use the lifting lug 13 at the top of the upper frame weldment to hoist the entire battery frame to the frame of the electric loader, and fix and install it through the battery frame mounting hole 3 of the bottom weldment.

[0053] In this embodiment, during installation, the louvers 12 need to be installed on the inner side of the dustproof windows of each layer frame weldment in advance to reduce the dust attached to the battery when the radiator blows back.

[0054] The battery frame for the electric loader is of a frame structure assembled from bottom welding, lower frame welding, middle frame welding and upper frame welding from bottom to top, which can divide the battery placing space into four layers in the longitudinal direction, can place three power batteries and ensure that the battery capacity is large enough under the condition that the battery placing space is limited; the upper, middle and lower layers of the frame structure are all provided with inverted welding structures, which can make the battery installation more convenient and avoid interference of the battery frame during the battery installation; the dustproof window provided on the frame structure and the heat dissipation windows provided on each layer can provide better ventilation conditions for the battery and provide sufficient air flow space for the radiator, and the design of the dustproof window can also reduce the dust attached to the battery during the reverse blowing of the radiator.

[0055] The preferred embodiments of the utility model are described above only, and are not used for limiting the utility model, and the utility model can have various changes and changes for the technical personnel in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A reverse-docking battery frame for an electric loader, characterized by, The utility model relates to a frame type structure is assembled from bottom layer welding, lower frame welding, middle frame welding, upper frame welding from bottom to top, two weldings of adjacent of frame type structure can be detachably connected, lower frame welding, middle frame welding, upper frame welding are all inverted buckle type welding structure with support leg below and mounting plate above, one side of frame type structure is provided with a plurality of dustproof windows, bottom layer welding, lower frame welding, middle frame welding, upper frame welding are all provided with a plurality of heat dissipation windows, and the top of upper frame welding is provided with a plurality of hoisting structures. The bottom layer welding comprises a bottom plate and a support plate, the support plate is a bending structure, and the bottom end of the support plate is welded and fixed to the front side of the bottom plate.

2. A reverse-bay battery frame for an electric drive loader as set forth in claim 1, characterized in that, The bottom layer welding is provided with pipeline through holes on the front side, specifically, pipeline through holes are formed on the front side of the bottom plate, and corresponding pipeline through holes are also formed on the corresponding positions of the support plate.

3. A reverse-bay battery frame for an electric drive loader as set forth in claim 2, wherein, The lower frame welding comprises a lower mounting plate, a first front side support leg and a first rear side support leg, the top of the first front side support leg and the first rear side support leg are welded and fixed to the bottom of the lower mounting plate, the bottom of the first rear side support leg is welded to a first connecting plate, and the height of the first front side support leg is less than the height of the first rear side support leg.

4. The inverted battery frame for an electric motor loader of claim 1, wherein, The middle frame welding comprises a middle mounting plate, a second front side support leg and a second rear side support leg, the top of the second front side support leg and the second rear side support leg are welded and fixed to the bottom of the middle mounting plate, the bottom of the second front side support leg is welded to a second connecting plate, and the bottom of the second rear side support leg is welded to a third connecting plate.

5. A reverse-bay battery frame for an electric drive loader as set forth in claim 1, characterized in that, The upper frame welding comprises an upper mounting plate, a third front side support leg and a third rear side support leg, the top of the third front side support leg and the third rear side support leg are welded and fixed to the bottom of the upper mounting plate, the bottom of the third front side support leg is welded to a fourth connecting plate, and the bottom of the third rear side support leg is welded to a fifth connecting plate.

6. A reverse-bay battery frame for an electric drive loader as set forth in claim 1, characterized in that, The right side of the upper mounting plate is welded with a first expansion plate, the right side of the fourth connecting plate is welded with a second expansion plate, an irregular plate is arranged between the first expansion plate and the second expansion plate, and the outermost sides of the second expansion plate and the first expansion plate are welded to the two ends of the irregular plate.

7. A reverse-bay battery frame for an electric drive loader as set forth in claim 6, characterized in that, The rear side of the lower frame welding, the middle frame welding and the upper frame welding are all provided with dustproof windows, and the inner sides of the dustproof windows are all installed with shutters.

8. A reverse-bay battery frame for an electric drive loader as set forth in claim 1, characterized in that, The bottom layer welding, the lower frame welding, the middle frame welding and the upper frame welding are all provided with a plurality of threaded seats.

9. A reverse-bay battery frame for an electric drive loader as set forth in claim 1, characterized in that, The lower frame welding, the middle frame welding and the upper frame welding are all provided with a plurality of wire harness fixing bending plates.

10. A reverse-bay battery frame for an electric drive loader as set forth in claim 1, characterized in that, ​

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