Electric skid loader

Abstract

The utility model belongs to the technical field of engineering machinery, and particularly relates to an electric skid loader which comprises a frame, a driving mechanism, a mounting support and a shock pad. The driving mechanism comprises a motor and a speed reducer connected with the motor, and the speed reducer is connected with the frame; one end, deviating from the speed reducer, of the motor is mounted on the frame through a mounting support; and a shock pad is arranged between the mounting support and the frame and / or between the mounting support and the motor. The end, connected with the speed reducer, of the motor is fixed to the vehicle frame through the speed reducer, the end, away from the speed reducer, of the motor is fixed to the vehicle frame through the installation support, namely, the two ends of the motor are connected with the vehicle frame, cantilever type installation is avoided, the rigidity performance of motor installation is good, and the problem of cracking caused by too large stress of local installation points is avoided; and the shock pads are arranged between the mounting support and the frame and / or between the mounting support and the motor, so that the shock absorption effect is improved, the resonance of the whole machine is not easy to cause, and the operation comfort of a driver is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to engineering machinery technical field especially relates to a kind of electric skid steer loader. BACKGROUND

[0002] The skid steer loader is widely used in narrow space and frequently changing work scene due to its small size, flexible operation and high efficiency. At present, most of the skid steer loaders on the market are fuel-powered, which has the problems of loud noise, large vibration and tail gas emission. These problems are more likely to be amplified in narrow space, causing discomfort to the driver. The electric skid steer loader is currently in its infancy. Compared with the fuel-powered skid steer loader, the electric skid steer loader is quieter and has no emission pollution, and has gradually become the mainstream of the industry. The electric skid steer loader uses a battery pack as a power source and uses a motor to drive the whole machine. As an important component of the electric skid steer loader, the installation structure of the motor is the focus of the development of the structural part. SUMMARY

[0003] The utility model aims at providing a kind of electric skid steer loader, and the rigidity performance of motor installation is good, avoid the problem of cracking caused by excessive stress of local installation point;And improve the damping effect, not easy to cause the whole machine resonance, improve the comfort of driver operation.

[0004] To achieve this purpose, the utility model adopts the following technical solutions:

[0005] The electric skid steer loader comprises:

[0006] a frame;

[0007] a drive mechanism comprising a motor and a speed reducer connected to the motor, wherein the speed reducer is connected to the frame;

[0008] a mounting support, wherein one end of the motor away from the speed reducer is mounted on the frame through the mounting support;

[0009] a damping pad arranged between the mounting support and the frame and / or between the mounting support and the motor.

[0010] As a preferred technical solution of the electric skid steer loader, the frame comprises a bottom plate, a first chain box, a second chain box and a plurality of cross beams, the first chain box and the second chain box are connected to the bottom plate and symmetrically distributed, the plurality of cross beams are connected between the first chain box and the second chain box and are spaced apart along the length extension direction of the first chain box and the second chain box;The drive mechanism is arranged between two adjacent cross beams, the speed reducer is connected to one of the first chain box and the second chain box, and the mounting support is mounted on the cross beam.

[0011] As the preferred technical scheme of the electric skid steer loader, the motor is installed on the frame through two mounting supports, and the two mounting supports are installed on two adjacent cross beams one by one.

[0012] As the preferred technical scheme of the electric skid steer loader, the mounting support comprises a first connecting part and a second connecting part, the first connecting part and the second connecting part are connected vertically, the first connecting part is connected with the frame, and the second connecting part is connected with the motor.

[0013] As the preferred technical scheme of the electric skid steer loader, the mounting support further comprises a reinforcing part, and the reinforcing part is connected between the first connecting part and the second connecting part.

[0014] As the preferred technical scheme of the electric skid steer loader, the number of the reinforcing parts is two, and the two reinforcing parts are distributed along the extension direction of the connecting line of the first connecting part and the second connecting part.

[0015] As the preferred technical scheme of the electric skid steer loader, the mounting support and the frame are connected through a first bolt, the damping pad is arranged between the mounting support and the frame, and the damping pad is sleeved on the first bolt.

[0016] As the preferred technical scheme of the electric skid steer loader, the damping pad is arranged between the head end of the first bolt and the mounting support, and the damping pad is sleeved on the first bolt.

[0017] As the preferred technical scheme of the electric skid steer loader, the mounting support and the motor are connected through a second bolt, the damping pad is arranged between the mounting support and the motor, and the damping pad is sleeved on the second bolt.

[0018] As the preferred technical scheme of the electric skid steer loader, the damping pad is arranged between the head end of the second bolt and the mounting support, and the damping pad is sleeved on the second bolt.

[0019] The electric skid steer loader has the advantages that:

[0020] The utility model provides a kind of electric slip loader, including frame, drive mechanism, mounting support and shock pad, drive mechanism includes motor and the speed reducer connected with motor, the one end of motor connection speed reducer is fixed with frame through speed reducer, the one end of motor departing speed reducer is fixed with frame through mounting support, i. e. the both ends of motor are connected with frame, avoid cantilever installation, the rigidity performance of motor installation is good, avoid the problem that cracking is caused by excessive stress of partial mounting point;And by being provided between mounting support and frame and / or mounting support and motor shock pad, improve the damping effect, not easy to cause whole machine resonance, improve the comfort of driver operation. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is part structure schematic diagram of the utility model embodiment provided electric slip loader;

[0022] Figure 2 It is the exploded structure schematic diagram of drive mechanism involved in the utility model embodiment;

[0023] Figure 3 It is the structure schematic diagram of frame involved in the utility model embodiment;

[0024] Figure 4 It is the structure schematic diagram of mounting support involved in the utility model embodiment;

[0025] Figure 5 It is the impact force transmission schematic diagram of one of mounting support of the utility model provided electric slip loader when being impacted.

[0026] In the drawing:

[0027] 10, frame;11, first chain box;12, second chain box;13, crossbeam;14, bottom plate;20, drive mechanism;21, motor;22, speed reducer;221, connecting flange;30, mounting support;31, first connecting part;32, second connecting part;33, reinforcing part;40, shock pad;50, fastener;60, first bolt. DETAILED DESCRIPTION

[0028] The utility model will be further explained in detail in the following combining with the drawings and embodiment.It can be understood that the specific embodiment described here is only used to explain the utility model, and is not limited to the utility model.In addition, it needs to be explained that, for convenient description, only part related to the utility model is shown in the drawing, not all structures.

[0029] In the description of the utility model, unless another definite provision and limitation, the term "link", "connect", "fix" should be broad sense understanding, for example, can be fixed connection, also can be detachable connection, or be integrated;Can be mechanical connection, also can be electrical connection;Can be directly connected, also can be indirectly connected through the intermediate medium, can be two elements inside the communication or two elements of the interaction relationship.For the ordinary skilled in the art, the specific meaning of the above-mentioned terms in the utility model can be understood according to the specific circumstances.

[0030] In the utility model, unless another definite provision and limitation, the first feature is "on" or "under" the second feature can include the first and second features direct contact, also can include the first and second features are not direct contact but contact through the additional features between them.Moreover, the first feature is "on", "above" and "on" the second feature includes the first feature is directly above and obliquely above the second feature, or just indicates that the horizontal height of the first feature is higher than the second feature.The first feature is "under", "below" and "under" the second feature includes the first feature is directly below and obliquely below the second feature, or just indicates that the horizontal height of the first feature is less than the second feature.

[0031] In the description of the embodiment, the terms "on", "under", "right", etc. Orientation or positional relationship is based on the orientation or positional relationship shown in the drawing, only for the convenience of description and simplification operation, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore cannot be understood as a limitation on the utility model.In addition, the terms "first", "second" are only used to distinguish in the description, and have no special meaning.

[0032] As Figures 1 to 5 The utility model provides a kind of electric slip loader, including frame 10, drive mechanism 20, mounting support 30 and shock pad 40, drive mechanism 20 includes motor 21 and the speed reducer 22 connected with motor 21, speed reducer 22 is connected with frame 10, optionally, speed reducer 22 has the connecting flange 221 connected with frame 10, connecting flange 221 can be connected with frame 10 by fastener 50, fastener 50 can be bolt, screw or rivet.Motor 21 end away from speed reducer 22 is installed in frame 10 by mounting support 30;Shock pad 40 is arranged between mounting support 30 and frame 10 and / or between mounting support 30 and motor 21.

[0033] The motor 21 is connected to one end of the speed reducer 22 through the speed reducer 22 and is fixed to the vehicle frame 10, and the motor 21 is fixed to the vehicle frame 10 through the mounting support 30 away from the speed reducer 22, that is, both ends of the motor 21 are connected to the vehicle frame 10, avoiding cantilever installation, and the motor 21 has good rigidity performance, avoiding the problem of cracking caused by excessive stress at a local installation point; and the damping pad 40 is arranged between the mounting support 30 and the vehicle frame 10 and / or between the mounting support 30 and the motor 21, improving the damping effect and avoiding the whole machine resonance, and improving the comfort of the driver operation.

[0034] Specifically, referring to Figure 2 , the shell of the motor 21 is fixedly connected with the shell of the speed reducer 22, and the two can be connected through fasteners 50, for example, the fasteners 50 can be bolts, screws or rivets. The motor shaft of the motor 21 is coaxially connected with the speed reducer shaft of the speed reducer 22, and a key connection can be adopted between the two.

[0035] Referring to Figure 3 , in the embodiment, the vehicle frame 10 includes a bottom plate 14, a first chain box 11, a second chain box 12 and a plurality of cross beams 13, the first chain box 11 and the second chain box 12 are arranged on the bottom plate 14 and are spaced apart, and the plurality of cross beams 13 are connected between the first chain box 11 and the second chain box 12 and are spaced apart along the length extension direction of the first chain box 11 and the second chain box 12. The vehicle frame 10 forms an integrated frame structure, and the overall torsional stiffness of the vehicle frame 10 is strong.

[0036] In combination with Figure 1 and Figure 5 , the driving mechanism 20 is arranged between the adjacent two cross beams 13, the speed reducer 22 is connected with one of the first chain box 11 and the second chain box 12, and the mounting support 30 is mounted on the cross beam 13. Optionally, the number of mounting supports 30 is two, and the two mounting supports 30 are correspondingly mounted on the adjacent two cross beams 13. Alternatively, the number of mounting supports 30 can also be four, and the four mounting supports 30 are two by two, and the two groups of mounting supports 30 are correspondingly mounted on the adjacent two cross beams 13. When any one mounting point (that is, any one mounting support 30) on the cross beam 13 is impacted, the impact force can be dispersed to other parts of the vehicle frame 10 through the cross beam 13, as shown by the arrows. Figure 5

[0037] Referring to Figure 4 , in the embodiment, the mounting support 30 has an L-shaped structure and includes a first connecting portion 31 and a second connecting portion 32, the first connecting portion 31 and the second connecting portion 32 are perpendicularly connected, the first connecting portion 31 is connected with the vehicle frame 10, and the second connecting portion 32 is connected with the motor 21. The mounting support 30 has a simple structure and is firm and reliable, and is convenient to connect with the vehicle frame 10 and the motor 21. Optionally, the first connecting portion 31 and the second connecting portion 32 are welded or integrally formed.​

[0038] Further, the mounting support 30 further comprises a reinforcing part 33, the reinforcing part 33 being connected between the first connecting part 31 and the second connecting part 32 to reinforce the strength of the mounting support 30. Further, the number of the reinforcing part 33 is two, the two reinforcing parts 33 being distributed along the extension direction of the connecting line of the first connecting part 31 and the second connecting part 32 to further reinforce the strength of the mounting support 30.

[0039] In the embodiment, the first connecting part 31 of the mounting support 30 is connected with the frame 10 through the first bolt 60, and the first connecting part 31 is provided with the shock pad 40, and the shock pad 40 is sleeved on the first bolt 60. In this way, the connection between the first connecting part 31 and the frame 10 is facilitated, and the shock pad 40 is also limited. Further, the head end of the first bolt 60 is provided with the shock pad 40 between the first connecting part 31, and the shock pad 40 is sleeved on the first bolt 60. By also providing the shock pad 40 between the head end of the first bolt 60 and the first connecting part 31, the shock absorbing performance can be improved.

[0040] In the embodiment, the second connecting part 32 of the mounting support 30 is connected with the motor 21 through the second bolt, and the second connecting part 32 is provided with the shock pad 40, and the shock pad 40 is sleeved on the second bolt. In this way, the connection between the second connecting part 32 and the motor 21 is facilitated, and the shock pad 40 is also limited. Further, the head end of the second bolt is also provided with the shock pad 40 between the second connecting part 32, and the shock pad 40 is sleeved on the second bolt. By also providing the shock pad 40 between the head end of the second bolt and the second connecting part 32, the shock absorbing performance can be improved.

[0041] Referring to Figure 1 In the embodiment, the number of the driving mechanism 20 is two, one of the driving mechanism 20 is connected with the first chain box 11 through the speed reducer 22, and the mounting support 30 is arranged close to the second chain box 12; the other driving mechanism 20 is connected with the second chain box 12 through the speed reducer 22, and the mounting support 30 is arranged close to the first chain box 11. The two driving mechanisms 20 are respectively used to drive the chain in the first chain box 11 and the second chain box 12 to realize the driving of the electric sliding loader.

[0042] Obviously, the above embodiments of the present application are merely examples for clearly illustrating the present application, and are not intended to limit the implementation modes of the present application. For those skilled in the art, various obvious changes, re-adjustments and replacements can be made without departing from the protection scope of the present application. Here, it is not necessary and also impossible to enumerate all the implementation modes. Any modification, equivalent replacement and improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application claim.

Claims

1. An electric skid steer loader, characterized in that, include: Frame (10); The drive mechanism (20) includes a motor (21) and a reducer (22) connected to the motor (21), the reducer (22) being connected to the frame (10); Mounting bracket (30), the end of the motor (21) facing away from the reducer (22) is mounted to the frame (10) through the mounting bracket (30); A shock-absorbing pad (40) is disposed between the mounting bracket (30) and the vehicle frame (10) and / or between the mounting bracket (30) and the motor (21).

2. The electric skid steer loader according to claim 1, characterized in that, The frame (10) includes a base plate (14), a first chain box (11), a second chain box (12), and a plurality of crossbeams (13). The first chain box (11) and the second chain box (12) are both connected to the base plate (14) and are symmetrically distributed. The plurality of crossbeams (13) are connected between the first chain box (11) and the second chain box (12) and are spaced apart along the length extension direction of the first chain box (11) and the second chain box (12). The drive mechanism (20) is disposed between two adjacent crossbeams (13). The reducer (22) is connected to one of the first chain box (11) and the second chain box (12). The mounting bracket (30) is mounted on the crossbeam (13).

3. The electric skid steer loader according to claim 2, characterized in that, The motor (21) is mounted on the frame (10) via two mounting supports (30), and the two mounting supports (30) are mounted one-to-one on two adjacent crossbeams (13).

4. The electric skid steer loader according to claim 1, characterized in that, The mounting bracket (30) includes a first connecting part (31) and a second connecting part (32), the first connecting part (31) and the second connecting part (32) are vertically connected, the first connecting part (31) is connected to the frame (10), and the second connecting part (32) is connected to the motor (21).

5. The electric skid steer loader according to claim 4, characterized in that, The mounting bracket (30) further includes a reinforcing part (33), which is connected between the first connecting part (31) and the second connecting part (32).

6. The electric skid steer loader according to claim 5, characterized in that, The number of the reinforcing parts (33) is two, and the two reinforcing parts (33) are distributed at intervals along the extension direction of the connecting line between the first connecting part (31) and the second connecting part (32).

7. The electric skid steer loader according to any one of claims 1-6, characterized in that, The mounting bracket (30) is connected to the vehicle frame (10) by a first bolt (60), and the shock-absorbing pad (40) is disposed between the mounting bracket (30) and the vehicle frame (10) and is sleeved on the first bolt (60).

8. The electric skid steer loader according to claim 7, characterized in that, The shock-absorbing pad (40) is provided between the head end of the first bolt (60) and the mounting bracket (30), and the shock-absorbing pad (40) is sleeved on the first bolt (60).

9. The electric skid steer loader according to any one of claims 1-6, characterized in that, The mounting bracket (30) is connected to the motor (21) by a second bolt. The shock-absorbing pad (40) is disposed between the mounting bracket (30) and the motor (21) and is sleeved on the second bolt.

10. The electric skid steer loader according to claim 9, characterized in that, The shock-absorbing pad (40) is provided between the head end of the second bolt and the mounting bracket (30), and the shock-absorbing pad (40) is sleeved on the second bolt.

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