Working device of skid steer loader and skid steer loader

Abstract

The present invention relates to the field of engineering machinery, and discloses a working device of a skid loader and a skid loader, wherein the working device comprises a first boom and a second boom; the second boom and the first boom are respectively arranged at intervals on both sides of a cab of the skid loader; the tail end of the first boom and the tail end of the second boom are respectively connected with a first connecting member and a second connecting member, the first connecting member and the second connecting member both extend upward and are respectively arranged at an angle to the first boom and the second boom, and the end of the first connecting member away from the first boom and the end of the second connecting member away from the second boom are both used for articulation with a frame of the skid loader. When the first boom and the second boom of the present invention are in the lowest position, the heights of the respective booms are greatly moved downward compared with the method of being directly articulated with the frame through the tail ends, and can be close to the bottom of the cab, thereby achieving avoidance of the observation grids on both sides of the cab.

Description

Technical Field

[0001] The present invention belongs to the field of engineering machinery, and in particular, relates to a working device of a skid loader and a skid loader using the working device. Background Art

[0002] A skid loader is a small-sized construction machine with a compact structure and flexible movements. It mainly includes a frame, a cab arranged on the frame, and a working device. The working device generally includes a boom and attachments arranged on both sides of the cab. The boom is located at the rear end behind the cab and is hinged to the frame, and the front end located in front of the cab is connected to the attachment. The boom is driven to rotate by the cylinder on the frame, driving the attachment to flip or move for operation. In the existing related technologies, when the boom is in the lowest position closest to the ground, the boom will block the observation grids on both sides of the cab for observing the external environment, that is, it will block the field of vision of the operator in the cab, resulting in a significant limitation of the operator's field of vision on both sides of the cab, which has a significant impact on the operation and driving of the skid loader. In some related technologies, there is also a method of designing the middle part of the boom to be concave to avoid the observation grid of the cab, but this method requires bending the steel body or plate body that constitutes the boom, which is difficult to process, increases the production cost, and also reduces the structural strength of the boom. Summary of the invention

[0003] In view of the above-mentioned deficiencies or defects in the prior art, the present invention provides a working device of a skid-steer loader and a skid-steer loader, aiming to solve the technical problem in the existing skid-steer loader that the field of view on both sides of the cab is blocked by the boom, the field of view of the operator in the cab is limited, and the operator's operation and driving of the skid-steer loader are greatly affected.

[0004] To achieve the above object, the present invention provides a working device of a skid loader, the working device comprising:

[0005] first boom; and

[0006] A second boom is disposed at two sides of the cab of the skid loader at intervals from the first boom;

[0007] The tail end of the first boom and the tail end of the second boom are respectively connected with a first connecting member and a second connecting member, the first connecting member and the second connecting member both extend upward and are respectively arranged at an angle to the first boom and the second boom, and an end of the first connecting member away from the first boom and an end of the second connecting member away from the second arm are both used for articulation with the frame of the skid loader.

[0008] Optionally, the first boom includes a first steel section and first boom side plates respectively connected to both sides of the first steel section, the first connecting member includes a first connecting middle plate and two first connecting side plates connected to both sides of the first connecting middle plate, and the two first connecting side plates are respectively connected to the tail ends of the two first boom side plates;

[0009] The second boom includes a second steel section and second boom side plates respectively connected to both sides of the second steel section, the second connecting member includes a second connecting middle plate and two second connecting side plates respectively connected to both sides of the second connecting middle plate, and the two second connecting side plates are respectively connected to the tail ends of the two second boom side plates.

[0010] Optionally, the working device further includes:

[0011] a baffle, two ends of which are respectively connected to the front end of the first movable arm and the front end of the second movable arm, the baffle being convexly provided with a first supporting plate disposed opposite to the inner side surface of the first movable arm and a second supporting plate disposed opposite to the inner side surface of the second movable arm; and

[0012] The cylinder assembly includes a first cylinder and a second cylinder, wherein a first rotating shaft is provided at one end of the first cylinder, and the two ends of the first rotating shaft are respectively rotatably connected to the first support plate and the first movable arm, and a second rotating shaft is provided at one end of the second cylinder, and the two ends of the second rotating shaft are respectively rotatably connected to the second support plate and the second movable arm.

[0013] Optionally, the first support plate and the second support plate are both arranged on the back side of the baffle plate facing the cab, so that the first oil cylinder and the second oil cylinder are located on the back side of the baffle plate.

[0014] Optionally, the working device further comprises a foot pedal, and the foot pedal is fixedly connected to the top edge of the baffle.

[0015] Optionally, the baffle comprises:

[0016] two connecting parts, the two connecting parts are respectively connected to the first movable arm and the second movable arm; and

[0017] A supporting portion, located between the two connecting portions and respectively connected to the two connecting portions, wherein a top edge of the supporting portion is lower than top edges of the two connecting portions;

[0018] The first supporting plate and the second supporting plate are respectively arranged on the back sides of the two connecting parts;

[0019] The foot pedal is fixedly connected to the support portion and spans across the top edge of the support portion.

[0020] Optionally, a first reinforcing plate is connected between the first support plate and the second support plate, the bottom edge of the first reinforcing plate is connected to the support portion, and the top edge is connected to the foot pedal, and the first reinforcing plate, the support portion, the foot pedal, the first support plate and the second support plate together form a accommodating cavity for accommodating the hydraulic components and hydraulic pipelines of the skid loader.

[0021] Optionally, the first support plate and the second support plate are respectively provided with a through hole communicating with the accommodating cavity.

[0022] Optionally, a second reinforcing plate is connected between the first support plate and the first movable arm and / or between the second support plate and the second movable arm.

[0023] Optionally, a quick-change plug mounting plate and an armrest are provided at the front end of the second movable arm, and the armrest spans above the quick-change plug mounting plate.

[0024] The present invention also provides a skid steer loader, which comprises the above-mentioned working device.

[0025] In the present invention, since the first connecting member and the second connecting member both extend upward and are respectively arranged at an angle to the first boom and the second boom, the tail end of the first boom and the tail end of the second boom are respectively hinged to the frame of the skid loader through the first connecting member and the second connecting member. Compared with the existing related technology in which the tail end of the boom is directly hinged to the frame, the overall height of the first boom and the second boom is lowered. In other words, when the first boom and the second boom are in the lowest position, their respective heights are lowered compared to the manner in which they are directly hinged to the frame through the tail end, and can be adjacent to the bottom of the cab, thereby achieving avoidance of the observation grid on both sides of the cab, effectively solving the technical problem that the field of view on both sides of the cab is blocked by the boom, the field of view of the operator in the cab is limited, and the operator's operation and driving of the skid loader are greatly affected. At the same time, there is no need to make structural improvements to the first boom and the second boom themselves, thereby reducing production costs.

[0026] Other features and advantages of the present invention will be described in detail in the following detailed description. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the following specific embodiments, they are used to explain the present invention but do not constitute a limitation of the present invention. In the accompanying drawings:

[0028] Figure 1 It is a schematic structural diagram of a working device in one embodiment of the present invention;

[0029] Figure 2 for Figure 1 A schematic structural diagram of the working device from another angle;

[0030] Figure 3 For application Figure 1 A schematic diagram of the structure of a skid steer loader with a working device;

[0031] Figure 4 for Figure 3 Schematic diagram of the side structure of the skid steer loader.

[0032] Description of reference numerals:

[0033] 1 First boom

[0034] 1a First steel section 1b First boom side plate

[0035] 2 Second boom

[0036] 2a Second steel section 2b Second boom side plate

[0037] 3 Baffle

[0038] 3a Connecting part 3b Supporting part

[0039] 4 First cylinder

[0040] 5 Second oil cylinder

[0041] 6 Pedals

[0042] 7 First support plate

[0043] 8 Second support plate

[0044] 9 First reinforcement plate

[0045] 10 Second reinforcement plate

[0046] 11 Quick-change plug mounting plate

[0047] 12 Armrests

[0048] 13 First connecting piece

[0049] 13a First connecting side plate 13b First connecting middle plate

[0050] 14 Second connecting piece

[0051] 14a Second connecting side plate 14b Second connecting middle plate DETAILED DESCRIPTION

[0052] The specific implementation of the present invention is described in detail below in conjunction with the accompanying drawings. It should be understood that the specific implementation described here is only used to illustrate and explain the present invention, and is not used to limit the present invention.

[0053] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features in the embodiments may be combined with each other.

[0054] In the present invention, unless otherwise specified, directional words such as "up, down, top, bottom" are usually used with reference to the directions shown in the drawings or are used to describe the relative positional relationships of components in the vertical, perpendicular or gravity direction.

[0055] The present invention will be described in detail below with reference to the accompanying drawings and in conjunction with embodiments.

[0056] Refer to the attached Figure 1 To Attachment Figure 4 As shown, the present invention first provides a working device of a skid loader, the working device includes a first boom 1 and a second boom 2; the second boom 2 and the first boom 1 are respectively arranged at intervals on both sides of the cab of the skid loader; the tail end of the first boom 1 and the tail end of the second boom 2 are respectively connected with a first connecting member 13 and a second connecting member 14, the first connecting member 13 and the second connecting member 14 both extend upward and are respectively arranged at angles to the first boom 1 and the second boom 2, and the end of the first connecting member 13 away from the first boom 1 and the end of the second connecting member 14 away from the second boom 2 are both used for articulation with the frame of the skid loader.

[0057] It should be noted that the tail end of the first boom 1 and the second boom 2 is the end of the first boom 1 and the second boom 2 that is close to the rear of the cab after the first boom 1 and the second boom 2 are installed on the skid loader. Similarly, the front end of the first boom 1 and the second boom 2 is the end of the first boom 1 and the second boom 2 that is close to the front of the cab after the first boom 1 and the second boom 2 are installed on the skid loader.

[0058] It can be understood that since the first connecting member 13 and the second connecting member 14 both extend upward and are respectively arranged at an angle to the first boom 1 and the second boom 2, the tail end of the first boom 1 and the tail end of the second boom 2 are respectively hinged to the frame of the skid loader through the first connecting member 13 and the second connecting member 14. Compared with the existing related technology in which the tail end of the boom is directly hinged to the frame, the overall height of the first boom 1 and the second boom 2 is lowered. In other words, when the first boom 1 and the second boom 2 are in the lowest position, their respective heights are greatly lowered compared to the method of directly hinged to the frame through the tail end, and can be close to the bottom of the cab, thereby avoiding the observation grid on both sides of the cab, effectively solving the technical problem that the field of view on both sides of the cab is blocked by the boom, the field of view of the operator in the cab is limited, and the operator's operation and driving of the skid loader are greatly affected. At the same time, there is no need to make structural improvements to the first boom 1 and the second boom 2 themselves, thereby reducing production costs.

[0059] In one embodiment, the first boom 1 includes a first steel section 1a and a first boom side plate 1b respectively connected to both sides of the first steel section 1a, the first connecting member 13 includes a first connecting middle plate 13b and two first connecting side plates 13a connected to both sides of the first connecting middle plate 13b, and the two first connecting side plates 13a are respectively connected to the tail ends of the two first boom side plates 1b; the second boom 2 includes a second steel section 2a and a second boom side plate 2b respectively connected to both sides of the second steel section 2a, the second connecting member 14 includes a second connecting middle plate 14b and two second connecting side plates 14a respectively connected to both sides of the second connecting middle plate 14b, and the two second connecting side plates 14a are respectively connected to the tail ends of the two second boom side plates 2b.

[0060] It should be noted that the tail end of the first boom side plate 1b is the end of the first boom side plate 1b close to the tail end of the first boom 1 , and the tail end of the second boom side plate 2b is the end of the second boom side plate 2b close to the tail end of the second boom 2 .

[0061] In this embodiment, the two first connecting side plates 13a of the first connecting member 13 are integrally formed with the tail ends of the two first boom side plates 1b to have good structural strength. Similarly, the two second connecting side plates 14a of the second connecting member 14 are integrally formed with the tail ends of the two second boom side plates 2b to have good structural strength.

[0062] In this embodiment, a sleeve for articulation is connected between the ends of the two first connecting side plates 13a away from the two first boom side plates 1b, and a sleeve for articulation is also connected between the ends of the two second connecting side plates 14a away from the two second boom side plates 2b.

[0063] In one embodiment, the working device also includes a baffle 3 and a cylinder assembly, wherein two ends of the baffle 3 are respectively connected to the front end of the first boom 1 and the front end of the second boom 2, the baffle 3 is protrudingly provided with a first support plate 7 arranged opposite to the inner side surface of the first boom 1 and a second support plate 8 arranged opposite to the inner side surface of the second boom 2, the cylinder assembly includes a first cylinder 4 and a second cylinder 5, one end of the first cylinder 4 is provided with a first rotating shaft, and the two ends of the first rotating shaft are respectively rotatably connected to the first support plate 7 and the first boom 1, and one end of the second cylinder 5 is provided with a second rotating shaft, and the two ends of the second rotating shaft are respectively rotatably connected to the second support plate 8 and the second boom 2.

[0064] It can be understood that a baffle 3 is connected between the first boom 1 and the second boom 2, and the baffle 3 is protruding with a first support plate 7 and a second support plate 8. The two ends of the first rotating shaft for supporting the first oil cylinder 4 are rotatably connected to the first boom 1 and the first support plate 7, respectively, and the two ends of the second rotating shaft for supporting the second oil cylinder 5 are rotatably connected to the second boom 2 and the second support plate 8, respectively. That is to say, the two ends of the first rotating shaft are respectively supported by the first boom 1 and the first support plate 7, and the two ends of the second rotating shaft are respectively supported by the second boom 2 and the second support plate 8. In this way, the first rotating shaft and the second rotating shaft both have good supporting strength, which effectively prevents the first rotating shaft and the second rotating shaft from flexural deformation or even falling off, which affects the stability of the normal operation of the first oil cylinder 4 and the second oil cylinder 5.

[0065] In actual application, specifically, horizontally opposite bearing seats are formed on the first movable arm 1 and the first support plate 7 respectively, one end of the first rotating shaft can be rotatably passed through the bearing seat on the first movable arm 1, and the other end can be rotatably passed through the bearing seat on the first support plate 7, and horizontally opposite bearing seats are also formed on the second movable arm 2 and the second support plate 8 respectively, one end of the second rotating shaft can be rotatably passed through the bearing seat on the second movable arm 2, and the other end can be rotatably passed through the bearing seat on the second support plate 8. In this way, corresponding bearing seats are provided at both ends of the first rotating shaft and the second rotating shaft for support.

[0066] In one embodiment, referring to the attached Figure 1 and attached Figure 2 As shown, the first support plate 7 and the second support plate 8 are both arranged on the back side of the baffle plate 3 facing the cab, so that the first oil cylinder 4 and the second oil cylinder 5 are located on the back side of the baffle plate 3.

[0067] It can be understood that the first support plate 7 is arranged on the back side of the baffle 3 facing the cab, and the first support plate 7 can form a first accommodating chamber for accommodating the first cylinder 4 together with the inner side surface of the first boom 1 and the back side of the baffle 3. By accommodating the first cylinder 4 in the first accommodating chamber, the first cylinder 4 is protected, and the baffle 3 is located in front of the first cylinder 4. When the working device is working, most of the hard objects attacking from the front can be blocked, thereby providing good protection for the first cylinder 4. Similarly, the second support plate 8 is arranged on the back side of the baffle 3 facing the cab, and the second support plate 8 can form a second accommodating chamber for accommodating the second cylinder 5 together with the inner side surface of the second boom 2 and the back side of the baffle 3. By accommodating the second cylinder 5 in the second accommodating chamber, the second cylinder 5 is protected. Of course, the baffle 3 is also located in front of the second cylinder 5. When the working device is working, most of the hard objects attacking from the front can be blocked, thereby providing good protection for the second cylinder 5.

[0068] In this embodiment, the first support plate 7 and the second support plate 8 are integrally formed with the baffle plate 3 to have good structural strength.

[0069] In one embodiment, referring to the attached Figure 1 and attached Figure 2 As shown, the working device also includes a foot pedal 6, which is fixedly connected to the top edge of the baffle 3. In this way, during actual use of the skid loader using the working device, the baffle 3 is located in front of the cab of the skid loader and adjacent to the entrance of the cab. The operator can enter the cab by stepping on the foot pedal 6, which is very convenient.

[0070] In one embodiment, referring to the attached Figure 1 and attached Figure 2 As shown, the baffle 3 includes two connecting parts 3a and a supporting part 3b, the two connecting parts 3a are respectively connected to the first boom 1 and the second boom 2, the supporting part 3b is located between the two connecting parts 3a and are respectively connected to the two connecting parts 3a, and the top edge of the supporting part 3b is lower than the top edges of the two connecting parts 3a; the first supporting plate 7 and the second supporting plate 8 are respectively arranged on the back sides of the two connecting parts 3a; the foot pedal 6 is fixedly connected to the supporting part 3b and spans the top edge of the supporting part 3b.

[0071] It can be understood that the two connecting parts 3a are respectively used to connect with the first boom 1 and the second boom 2, and respectively protect the first cylinder 4 and the second cylinder 5, that is, the first cylinder 4 and the second cylinder 5 are respectively located on the back of the two connecting parts 3a, and the supporting part 3b located between the two connecting parts 3a is used to support the foot pedal 6. Such a setting can effectively avoid the setting of the first cylinder 4 and the second cylinder 5 from hindering the operator from entering the cab, and further, the top edge of the supporting part 3b is lower than the top edges of the two connecting parts 3a, so that the height of the foot pedal 6 will not be affected by the setting of the first cylinder 4 and the second cylinder 5 and will be set at a higher position, which is convenient for the operator to get on and off the cab through the foot pedal 6.

[0072] In this embodiment, the two connecting parts 3a and the supporting part 3b are an integrally formed structure, and the two connecting parts 3a are fixedly connected to the first movable arm 1 and the second movable arm 2 respectively by welding.

[0073] In one embodiment, referring to the attached Figure 1 and attached Figure 2As shown, a first reinforcing plate 9 is connected between the first support plate 7 and the second support plate 8. With such an arrangement, the first reinforcing plate 9 supports the first support plate 7 and the second support plate 8, thereby effectively improving the structural strength of the first support plate 7 and the second support plate 8. The bottom edge of the first reinforcing plate 9 is connected to the support portion 3b, and the top edge is connected to the foot pedal 6. The first reinforcing plate 9, the support portion 3b, the foot pedal 6, the first support plate 7 and the second support plate 8 together enclose a housing cavity for accommodating the hydraulic components and hydraulic pipelines of the skid loader.

[0074] In this way, the accommodating cavity can protect the hydraulic components and hydraulic pipelines of the skid loader, thereby effectively increasing the service life of the skid loader. Secondly, the foot pedal 6 spans the top edge of the support part 3b and the top edge of the first reinforcing plate 9. The top edge of the support part 3b and the top edge of the first reinforcing plate 9 respectively support the foot pedal 6, so that the foot pedal 6 has good structural strength.

[0075] In one embodiment, the first support plate 7 and the second support plate 8 are respectively provided with through holes connecting the accommodating cavity, and the hydraulic pipeline accommodated in the accommodating cavity can pass through the through holes of the first support plate 7 and the second support plate 8 and be connected to the first cylinder 4 and the second cylinder 5 respectively. With such a configuration, the hydraulic pipeline can be hidden under the baffle 3, thereby protecting the hydraulic pipeline.

[0076] In one embodiment, referring to the attached Figure 2 As shown, a second reinforcing plate 10 is connected between the first support plate 7 and the first boom 1 and / or between the second support plate 8 and the second boom 2, that is, a second reinforcing plate 10 is optionally connected between the first support plate 7 and the first boom 1, and a second reinforcing plate 10 is also optionally connected between the second support plate 8 and the second boom 2.

[0077] By arranging a second reinforcing plate 10 between the first support plate 7 and the first boom 1 and between the second support plate 8 and the second boom 2, the structural strength of the first support plate 7 and the second support plate 8 can be further strengthened, thereby improving the supporting reliability of the first support plate 7 and the second support plate 8 for the first rotating shaft and the second rotating shaft, respectively.

[0078] In one embodiment, referring to the attached Figure 1 To Attachment Figure 3 As shown, a quick-change plug mounting plate 11 and an armrest 12 are provided at the front end of the second movable arm 2 , and the armrest 12 spans over the quick-change plug mounting plate 11 .

[0079] It can be understood that the quick-change plug mounting plate 11 is used to install quick-change connectors that are quickly connected to accessories, and the handrail 12 spans across the top of the quick-change plug mounting plate 11. It can be used to support the operator when getting on and off the cab, and at the same time can play a certain protective role for the quick-change connectors and pipes on the quick-change plug mounting plate 11.

[0080] The present invention also provides a skid loader, which includes the above working device. The specific structure of the working device refers to the above embodiment. Since the skid loader adopts all the technical solutions of all the above embodiments, it at least has all the beneficial effects brought by the technical solutions of the above embodiments, which will not be repeated here one by one.

[0081] In this embodiment, the skid loader also includes a frame and a cab arranged on the frame. The first arm 1 and the second arm 2 of the working device are respectively arranged on both sides of the cab. The tail ends of the first arm 1 and the second arm 2 are respectively hinged to the rear end of the frame through the first connecting member 13 and the second connecting member 14, and the front end is hinged to the attachment.

[0082] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

[0083] It should also be noted that the various specific technical features described in the above specific embodiments can be combined in any suitable manner without contradiction. In order to avoid unnecessary repetition, the present invention will not further describe various possible combinations.

[0084] In addition, various embodiments of the present invention may be arbitrarily combined, and as long as they do not violate the concept of the present invention, they should also be regarded as the contents disclosed by the present invention.

Claims

1. A working device of a skid loader, characterized in that: The working device comprises: a first boom (1); and A second movable arm (2) is arranged at intervals from the first movable arm (1) on both sides of the cab of the skid loader; a baffle (3), the two ends of which are respectively connected to the front end of the first movable arm (1) and the front end of the second movable arm (2); the baffle (3) is provided with a first support plate (7) arranged opposite to the inner side surface of the first movable arm (1) and a second support plate (8) arranged opposite to the inner side surface of the second movable arm (2); A foot pedal (6) fixedly connected to the top edge of the baffle (3); The tail end of the first movable arm (1) and the tail end of the second movable arm (2) are respectively connected with a first connecting member (13) and a second connecting member (14); the first connecting member (13) and the second connecting member (14) both extend upward and are respectively arranged at an angle with the first movable arm (1) and the second movable arm (2); an end of the first connecting member (13) away from the first movable arm (1) and an end of the second connecting member (14) away from the second movable arm (2) are both used for articulation with the frame of the skid loader; A first reinforcing plate (9) is connected between the first supporting plate (7) and the second supporting plate (8); the bottom edge of the first reinforcing plate (9) is connected to the baffle plate (3), and the top edge is connected to the foot pedal (6); the first reinforcing plate (9), the baffle plate (3), the foot pedal (6), the first supporting plate (7) and the second supporting plate (8) together form a receiving chamber for receiving hydraulic components and hydraulic pipelines of the skid loader.

2. The working device of the skid steer loader according to claim 1, characterized in that: The first boom (1) comprises a first steel section (1a) and first boom side plates (1b) respectively connected to both sides of the first steel section (1a); the first connecting member (13) comprises a first connecting middle plate (13b) and two first connecting side plates (13a) connected to both sides of the first connecting middle plate (13b); the two first connecting side plates (13a) are respectively connected to the tail ends of the two first boom side plates (1b); The second boom (2) comprises a second steel section (2a) and second boom side plates (2b) respectively connected to both sides of the second steel section (2a); the second connecting member (14) comprises a second connecting middle plate (14b) and two second connecting side plates (14a) respectively connected to both sides of the second connecting middle plate (14b); the two second connecting side plates (14a) are respectively connected to the tail ends of the two second boom side plates (2b).

3. The working device of the skid steer loader according to claim 1, characterized in that: The working device also includes: The cylinder assembly comprises a first cylinder (4) and a second cylinder (5), wherein a first rotating shaft is provided at one end of the first cylinder (4), and two ends of the first rotating shaft are respectively rotatably connected to the first support plate (7) and the first movable arm (1); and a second rotating shaft is provided at one end of the second cylinder (5), and two ends of the second rotating shaft are respectively rotatably connected to the second support plate (8) and the second movable arm (2).

4. The working device of the skid steer loader according to claim 3, characterized in that: The first support plate (7) and the second support plate (8) are both arranged on the back side of the baffle (3) facing the cab, so that the first oil cylinder (4) and the second oil cylinder (5) are located on the back side of the baffle (3).

5. The working device of the skid steer loader according to claim 1, characterized in that: The baffle (3) comprises: two connecting parts (3a), the two connecting parts (3a) are respectively connected to the first movable arm (1) and the second movable arm (2); and A supporting portion (3b) is located between the two connecting portions (3a) and is respectively connected to the two connecting portions (3a), and a top edge of the supporting portion (3b) is lower than top edges of the two connecting portions (3a); The first supporting plate (7) and the second supporting plate (8) are respectively arranged on the back sides of the two connecting parts (3a); The foot pedal (6) is fixedly connected to the support portion (3b) and spans the top edge of the support portion (3b).

6. The working device of the skid steer loader according to claim 1, characterized in that: The first support plate (7) and the second support plate (8) are respectively provided with a through hole communicating with the accommodating cavity.

7. The working device of the skid steer loader according to any one of claims 3 to 6, characterized in that: A second reinforcing plate (10) is connected between the first supporting plate (7) and the first movable arm (1) and / or between the second supporting plate (8) and the second movable arm (2).

8. The working device of the skid steer loader according to any one of claims 1 to 6, characterized in that: A quick-change plug mounting plate (11) and an armrest (12) are provided at the front end of the second movable arm (2), and the armrest (12) spans above the quick-change plug mounting plate (11).

9. A skid steer loader, characterized in that: The skid steer loader comprises the working device according to any one of claims 1 to 8.

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