CN217870709U - Skid-steer loader frame and skid-steer loader - Google Patents

Abstract

The utility model relates to an engineering machine tool technical field, concretely relates to skid-steer loader frame and skid-steer loader. The utility model provides a skid-steer loader frame, includes preceding frame and back frame, the back frame with preceding frame fixed connection, the back frame includes back bottom plate, first wing case and second wing case, first wing case with second wing case fixed assembly respectively is in both ends about the back bottom plate, first wing case with form the inner space between the second wing case, open on the first interior plate of first wing case have with the first opening of inner space intercommunication, open on the second interior plate of second wing case have with the third opening of inner space intercommunication. The technical problem of inconvenient installation inside the frame of the skid steer loader in the prior art is solved.

Description

Skid-steer loader frame and skid-steer loader

Technical Field

The utility model relates to an engineering machine tool technical field, concretely relates to skid steer loader frame and skid steer loader.

Background

The skid steer loader generally outputs power for a diesel engine, and a traveling system is provided with a hydraulic motor. The frame is generally provided with wing boxes (a diesel oil tank and a hydraulic oil tank) at two sides; or a wingless box (a plastic diesel oil tank and a hydraulic oil tank are arranged in the wingless box). With the continuous promotion of the state to the exhaust emission standard, the increasing attention to energy conservation and environmental protection, the diesel engine is not suitable for the local working condition in some occasions, and therefore, the electric product becomes a new development trend. The skid-steer loader is a multifunctional small machine, and a frame of the skid-steer loader is an important component of the skid-steer loader and is a basic platform for bearing various systems. The bearing function of the frame is important, and is related to the carrying of each system, the stability, the trafficability, the protection capability and the like.

The frame in the prior art comprises an integral frame and a split frame, upright posts on the left side and the right side of the integral frame and a bottom form a U-shaped structure, the upright posts on the left side and the right side of the frame are connected through a cross beam, the integral frame adopting the U-shaped structure and connecting the cross beam on the upper part of the frame has large welding deformation, poor structural strength, poor deformation resistance and weaker structure; the split type frame consists of an upper part and a lower part, parts of the frame can be exchanged universally, the maintenance is convenient, the manufacturing difficulty is high, the strength of the frame cannot be guaranteed, and the internal installation is inconvenient.

As disclosed in document CN200520052829.2, application number is CN200520052829.2, and specifically discloses: a left side chain wheel oil tank, a left side upright post, a right side chain wheel oil tank and a right side upright post are welded on the upper portion of a bottom plate in an assembling mode, the inner space of the left side upright post also serves as a fuel tank, and the inner space of the right side upright post also serves as a hydraulic oil tank. The chassis of the skid-steer loader makes full use of the box structure space of the stand column, simultaneously makes the stand column stronger, does not need to manufacture and install an oil tank additionally, reduces the manufacturing and installing processes, saves the cost, but the installation space is divided into relatively closed spaces by the left stand column and the right stand column, is not beneficial to the disassembly and assembly of the structure, and is inconvenient to install inside.

SUMMERY OF THE UTILITY MODEL

In order to solve the inconvenient technical problem of the frame internally mounted of skid-steer loader among the prior art, the utility model provides a skid-steer loader frame and skid-steer loader has solved above-mentioned technical problem. The technical scheme of the utility model as follows:

the utility model provides a skid-steer loader frame, includes preceding frame and back frame, the back frame with preceding frame fixed connection, the back frame includes back bottom plate, first wing case and second wing case, first wing case with second wing case fixed assembly respectively is in both ends about the back bottom plate, first wing case with form the inner space between the second wing case, open on the first interior plate of first wing case have with the first opening of inner space intercommunication, open on the second interior plate of second wing case have with the third opening of inner space intercommunication.

The utility model provides a skid-steer loader frame has first opening through opening on setting up the first wing case, and it has the third opening to open on the second wing case, and first opening and third opening all communicate with the inner space, so can conveniently install first wing case and second wing incasement with the structure, also make things convenient for the structure of inner space assembly and the cooperation of being connected of structure in two wing casees, convenient assembling, and the frame structure is light.

According to the utility model discloses an embodiment, first wing incasement is separated first cavity and second cavity, first cavity is used for assembling the installation position that charges, the second cavity is used for saving hydraulic oil, first cavity passes through first opening with the inner space intercommunication.

According to the utility model discloses an embodiment, still be provided with second opening and maintenance mouth on the first outer panel of first wing case, the second opening with first cavity intercommunication, maintain the mouth with second cavity intercommunication.

According to the utility model discloses an embodiment, form the third cavity in the second wing incasement, the third cavity is used for adorning the motor, the third cavity passes through the third opening with the inner space intercommunication.

According to the utility model discloses an embodiment, still be provided with the fourth opening on the second outside board of second wing case, the fourth opening with the third cavity intercommunication.

According to the utility model discloses an embodiment, the inner space is used for assembling battery system, battery system respectively with the motor with installation position electricity that charges is connected.

According to the utility model discloses an embodiment, preceding frame includes front bottom plate, first transmission case and second transmission case, both ends about front bottom plate are fixed respectively to first transmission case and second transmission case, the front end of first transmission case with the front end of second transmission case passes through front end plate fixed connection, first transmission case, second transmission case, front bottom plate and front end plate enclose to establish and form the ascending inner chamber of opening.

According to the utility model discloses an embodiment, the upper end of first wing case with the upper end of second wing case is still connected through coupling assembling, coupling assembling's one end with first wing case is connected perpendicularly, coupling assembling's the other end with second wing case is connected perpendicularly.

According to the utility model discloses an embodiment, be equipped with two at least mount pads on the coupling assembling.

A skid steer loader comprises the skid steer loader frame.

Based on the technical scheme, the utility model discloses the technological effect that can realize does:

1. the utility model discloses a skid-steer loader frame and skid-steer loader, through setting up and opening on the first wing case and having the first opening, open on the second wing case and having the third opening, first opening and third opening all communicate with the inner space, first wing case and second wing case all set up to open structure, so can conveniently install the structure in first wing case and second wing case, also have more space arrangement other components and parts, also make things convenient for the structure of inner space assembly and the connection cooperation of structure in two wing cases, easy assembling, and the frame structure is light;

2. the utility model discloses a skid-steer loader frame and skid-steer loader separates first cavity and second cavity through the first wing incasement, and the first cavity assembles the installation position that charges, and the second cavity stores hydraulic oil, can carry out reasonable functional partitioning to the first wing case; the second wing box is used for assembling the motor, so that the left and right balance of the frame can be realized, and the frame is suitable for the electric skid loader; an opening structure is formed on the side plate of each wing box, so that each cavity can be conveniently communicated with the internal space, and thus, the installation space in the first cavity and the third cavity can be properly adjusted according to the assembly structure; furthermore, the internal space can be used for installing a battery system, so that the motor and the charging installation position are respectively connected with the battery system conveniently;

3. the utility model discloses a skid steer loader frame and skid steer loader, the interior chamber that forms the opening upwards in its front frame, when the driver's cabin assembles to the front frame, the interior chamber of front frame can communicate with each other in the driver's cabin, increases the driver's cabin space;

4. the utility model discloses a skid-steer loader frame and skid-steer loader, the upper end of first wing case and the upper end of second wing case pass through coupling assembling to be connected, on the one hand, can increase the bulk strength of frame; on the other hand, the mounting seat is assembled on the connecting assembly, so that the cab can be hinged and assembled, and the cab can be conveniently deflected.

Drawings

Fig. 1 is a schematic structural view of a skid steer loader carriage of the present invention at a first viewing angle;

FIG. 2 is a schematic view of the skid steer loader carriage at a second viewing angle;

FIG. 3 is a schematic view of the skid steer loader frame at a third viewing angle;

FIG. 4 is a schematic structural view of the front frame;

FIG. 5 is a schematic structural view of the rear frame;

FIG. 6 is a schematic view of the structure of a first wing box;

FIG. 7 is a schematic view of the first wing box from another perspective;

FIG. 8 is a schematic view of the internal cavity of the first wing tank;

FIG. 9 is a schematic view of the structure of a second wing box;

FIG. 10 is a schematic view of the second wing box from another perspective;

FIG. 11 is a schematic view of a connecting assembly;

in the figure: 1-a front frame; 11-a front floor; 12-a first gearbox; 13-a second gearbox; 14-a front end plate; 15-lumen; 2-rear frame; 21-rear bottom plate; 22-a first wing box; 221-a first inner decking; 2211-first opening; 222-a first outer panel; 2221-a second opening; 2222-maintaining the mouth; 223-a first cavity; 224-a second cavity; 23-a second wing tank; 231-a second inner side panel; 2311-a third opening; 232-a second exterior panel; 2321-a fourth opening; 233-third chamber; 24-an inner space; 3-connecting the components; 31-a first connector; 32-a second connector; 4, mounting a base; 41-connecting ear plates; 42-a stop.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

Unless specifically stated otherwise, the relative arrangement of parts and steps, numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the orientation words such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and in the case of not making a contrary explanation, these orientation words do not indicate and imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be interpreted as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

For ease of description, spatially relative terms such as "over 8230," "upper surface," "above," and the like may be used herein to describe the spatial positional relationship of one device or feature to other devices or features as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary terms "at 8230; \8230; 'above" may include both orientations "at 8230; \8230;' above 8230; 'at 8230;' below 8230;" above ". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms do not have special meanings unless otherwise stated, and therefore, the scope of the present invention should not be construed as being limited.

As shown in fig. 1-11, the present embodiment provides a skid steer loader frame, which is particularly suitable for an electric skid steer loader, and comprises a front frame 1 and a rear frame 2, wherein the front frame 1 is positioned in front of the rear frame 2, the front frame 1 is fixedly connected with the rear frame 2, a cab is assembled above the front frame 1, electrical components are arranged in the rear frame 2, and the rear frame 2 is higher than the front frame 1.

The front frame 1 comprises a front bottom plate 11, a first transmission case 12 and a second transmission case 13, the first transmission case 12 and the second transmission case 13 are vertically fixed at the left end and the right end of the upper surface of the front bottom plate 11 respectively, the first transmission case 12 and the second transmission case 13 are symmetrically and parallelly arranged, the front end of the first transmission case 12 and the front end of the second transmission case 13 are further fixed through a front end plate 14, the first transmission case 12, the second transmission case 13, the front bottom plate 11 and the front end plate 14 are surrounded to form an inner cavity 15 with an upward opening, the upper end of the front frame 1 is used for supporting a cab, an opening can be formed below the cab, after the cab is assembled on the front frame 1, the space in the cab can be communicated with the inner cavity 15, the inner cavity 15 can form a part of the cab, and efficient utilization of the space is facilitated. The first and second gearboxes 12, 13 are optionally, but not limited to chain gearboxes.

The rear frame 2 is fixed at the rear end of the front frame 1, the rear frame 2 comprises a rear bottom plate 21, a first wing box 22 and a second wing box 23, the rear bottom plate 21 can be fixedly connected with the front bottom plate 11 through a connecting plate, the first wing box 22 and the second wing box 23 are respectively fixed at the left end and the right end of the rear bottom plate 21, the first wing box 22 and the second wing box 23 are arranged in parallel, and an inner space 24 is formed between the first wing box 22 and the second wing box 23.

In this embodiment, when viewed from the rear of the vehicle frame, the first wing box 22 is fixed at the left end of the rear bottom plate 21, the first wing box 22 is flat as a whole, the first wing box 22 includes a first inner side plate 221 and a first outer side plate 222 which are arranged in parallel, the first inner side plate 221 and the second outer side plate 222 are connected through a plurality of first middle plates and enclose to form a cavity, the cavity of the first wing box 22 is divided into a first cavity 223 and a second cavity 224, the first cavity 223 is located in front of the second cavity 224, the first cavity 223 is a square cavity located at the middle height of the first wing box 22, and the first cavity 223 is used for assembling a charging installation position; the second cavity 224 is a vertically extending square cavity, and the second cavity 224 is a relatively sealed cavity for storing hydraulic oil.

As a preferable technical solution of this embodiment, the first inner side plate 221 of the first wing box 22 is formed with a first opening 2211, the first opening 2211 communicates the first cavity 223 and the inner space 24, the first opening 2211 is a square opening, and by the arrangement of the first opening 2211, even if the size of the charging installation site is large, the first opening 2211 can be properly extended out for assembly, and the structure is compact; a second opening 2221 is further formed on the first outer side plate 222 of the first wing box 22, and the second opening 2221 is communicated with the first cavity 223, so that the charging operation can be conveniently performed. A maintenance opening 2222 is further formed in the first outer side plate 222 of the first wing box 22, and the maintenance opening 2222 is communicated with the second cavity 224, so that the hydraulic oil filter element in the second cavity 224 can be replaced conveniently from the outer side of the first wing box 22.

In this embodiment, when viewed from the rear of the vehicle frame, the second wing box 23 is located at the right end of the rear bottom plate 21, the whole second wing box 23 is flat, the second wing box 23 includes a second inner side plate 231 and a second outer side plate 232 which are arranged in parallel, the second inner side plate 231 and the second outer side plate 232 are connected through a plurality of second middle plates and are enclosed to form a cavity, the cavity of the second wing box 23 is a third cavity 233, and the third cavity 233 is used for assembling a motor.

In a preferred embodiment of the present invention, the second inner panel 231 of the second wing box 23 has a third opening 2311 formed therein, and the third opening 2311 communicates the third cavity 233 with the internal space 24. A fourth opening 2321 is formed on the second outer side plate 232 of the second wing box 23, and a worker can maintain the motor in the third cavity 233 through the fourth opening 2321.

As a preferred solution of this embodiment, the internal space 24 can be used for installing a battery system, and both the charging potential in the first cavity 223 and the motor in the third cavity 233 are electrically connected to the battery system.

A connecting assembly 3 is further arranged between the first wing box 22 and the second wing box 23, the connecting assembly 3 connects the upper end of the first wing box 22 with the upper end of the second wing box 23, the connecting assembly 3 comprises a first connecting piece 31 and a second connecting piece 32 which are arranged in parallel, and two ends of the first connecting piece 31 are respectively and vertically connected with the first inner side plate 221 and the second inner side plate 231; both ends of the second link 32 are vertically connected to the first inner side plate 221 and the second inner side plate 231, respectively, and the link assembly 3 is disposed at the front end of the rear frame 2.

In this embodiment, the first connecting member 31 is a bent member, the second connecting member 32 is a flat plate member, the first connecting member 31 includes a vertical portion and a horizontal portion perpendicular to each other, the second connecting member 32 is located behind the first connecting member 31, and the second connecting member 32 is horizontally placed and abutted against the vertical portion of the first connecting member 31.

Still be equipped with mount pad 4 on coupling assembling 3, mount pad 4 is two at least, and the driver's cabin can be articulated with mount pad 4, and then conveniently realizes the upset. In this embodiment, the number of the mounting seats 4 is two, the mounting seat 4 includes two connecting ear plates 41 arranged in parallel, the connecting ear plates 41 are provided with slots with downward openings, the connecting ear plates 41 are inserted into the vertical portions of the first connecting members 31, and the lower surfaces of the front ends of the connecting ear plates 41 abut against the horizontal portions of the first connecting members 31; an avoiding opening is formed in the second connecting piece 32, the rear end of the connecting lug plate 41 extends into the avoiding opening in the second connecting piece 32, the rear end of the connecting lug plate 41 is limited by the limiting part 42, the limiting part 42 is a bending part, the limiting part 42 extends into the avoiding opening, the upper surface and the lower surface of the rear end of the connecting lug plate 41 are abutted against the limiting part 42, and the limiting part 42 is fixedly assembled.

The embodiment also provides a skid steer loader, in particular to an electric skid steer loader, which comprises the skid steer loader frame, wherein a cab is detachably assembled on the front frame 1 of the skid steer loader frame, the rear part of the cab is hinged with the mounting seat 4, when the cab needs to be turned, the connection between the front frame 1 and the cab can be released, and the cab can be turned backwards. The two sides of the cab are also provided with swing arms capable of deflecting, and the tail ends of the swing arms are provided with buckets through quick-change devices.

The battery system is assembled in the internal space 24 and can be arranged in a deviated way to play a role of counterweight; the internal space 24 of the rear frame 2 is in communication with the space within the two wing boxes to facilitate assembly of the electrical components and to facilitate heat dissipation.

The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims (10)

1. The utility model provides a skid steer loader frame, its characterized in that, includes preceding frame (1) and back frame (2), back frame (2) with preceding frame (1) fixed connection, back frame (2) include back bottom plate (21), first wing case (22) and second wing case (23), first wing case (22) with second wing case (23) are fixed respectively and are assembled back bottom plate (21) both ends of controlling, first wing case (22) with form inner space (24) between second wing case (23), open on first inner panel (221) of first wing case (22) have with first opening (2211) of inner space (24) intercommunication, open on second inner panel (231) of second wing case (23) have with third opening (1) of inner space (24) intercommunication.

2. A skid steer loader frame as set forth in claim 1 wherein said first wing box (22) is partitioned into a first cavity (223) and a second cavity (224), said first cavity (223) for mounting a charging mounting location, said second cavity (224) for storing hydraulic oil, said first cavity (223) communicating with said interior space (24) through said first opening (2211).

3. A skid steer loader frame according to claim 2, wherein a second opening (2221) and a maintenance port (2222) are further provided in the first outer side panel (222) of the first wing box (22), the second opening (2221) being in communication with the first cavity (223), and the maintenance port (2222) being in communication with the second cavity (224).

4. A skid steer loader frame according to any of claims 2 to 3 wherein a third cavity (233) is formed in said second wing box (23), said third cavity (233) being for mounting an electric motor, said third cavity (233) communicating with said interior space (24) through said third opening (2311).

5. A skid steer loader frame according to claim 4, wherein a fourth opening (2321) is further provided on the second outboard plate (232) of the second wing box (23), said fourth opening (2321) being in communication with said third cavity (233).

6. A skid steer loader frame according to claim 5, wherein said interior space (24) is configured to house a battery system, said battery system being electrically connected to said motor and said charging station, respectively.

7. The skid steer loader frame according to claim 1, wherein the front frame (1) comprises a front bottom plate (11), a first transmission case (12) and a second transmission case (13), the first transmission case (12) and the second transmission case (13) are respectively fixed at the left end and the right end of the front bottom plate, the front end of the first transmission case (12) is fixedly connected with the front end of the second transmission case (13) through a front end plate (14), and the first transmission case (12), the second transmission case (13), the front bottom plate (11) and the front end plate (14) enclose an inner cavity (15) with an upward opening.

8. A skid steer loader frame as set forth in claim 1 wherein said upper end of said first wing box (22) and said upper end of said second wing box (23) are further connected by a connection assembly (3), one end of said connection assembly (3) being connected perpendicular to said first wing box (22), the other end of said connection assembly (3) being connected perpendicular to said second wing box (23).

9. A skid steer loader frame according to claim 8, wherein at least two mounting seats (4) are fitted on said connection assembly (3).

10. A skid steer loader comprising the skid steer loader frame of any of claims 1-9.

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