Excavator sliding frame

Abstract

The utility model relates to the technical field of engineering machinery, in particular to a sliding frame of an excavator. The sliding frame comprises a frame body in the shape of a rectangular ring, a first mounting plate and a second mounting plate which are horizontally arranged are arranged on the upper portion and the lower portion of the front side of the frame body, a first hinge hole is formed in the first mounting plate, a second hinge hole is formed in the second mounting plate, and a cross beam is connected into the frame body. Two horizontally-arranged swing oil cylinder fixing plates are arranged on the left side and the right side of the cross beam, and the frame body, the first installation plate, the second installation plate, the cross beam and the swing oil cylinder fixing plates are integrally formed in a casting mode. The sliding frame is of an integral casting structure, welding seams are avoided, performance is excellent, the structure is light, the integral framework is smooth, and the casting technology is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of engineering machinery, and in particular to a sliding frame of an excavator. Background Art

[0002] The current sliding frame is a welded part with many welds in the structure. Due to the complex stress conditions of the part, some welds are prone to cracking, affecting the structural performance. At the same time, the welded part is relatively bulky, requires high processing precision, and has a high manufacturing cost. Utility Model Content

[0003] The utility model aims to provide an excavator sliding frame with an integral casting structure, no welds and excellent performance in view of the above problems.

[0004] To achieve the above-mentioned purpose, the utility model discloses an excavator sliding frame, which includes a frame body in the shape of a rectangular ring, a first mounting plate and a second mounting plate are horizontally arranged one above and one below the front side of the frame body, a first hinge hole is opened on the first mounting plate, and a second hinge hole is opened on the second mounting plate, a cross beam is connected inside the frame body, and two horizontally arranged swing cylinder fixing plates are arranged on the left and right of the cross beam, and the frame body, the first mounting plate, the second mounting plate, the cross beam and the swing cylinder fixing plate are integrally formed by casting.

[0005] The sliding frame is an integral casting structure without welds, has superior performance, a light structure, a smooth overall frame, and is conducive to the casting process.

[0006] Preferably, step holes are provided at the four corners of the frame body, and bolts are connected to the sliders after passing through the step holes.

[0007] When in use, the bolt passes through the step hole and is connected to the slider to achieve the sliding function.

[0008] Preferably, there are three step holes corresponding to each corner of the frame, and the three step holes are arranged in the horizontal direction.

[0009] When in use, the connection between the frame and the slider is firm, which increases the service life.

[0010] Preferably, the back surfaces of the four corners of the frame body are provided with protrusions, and the step holes are located at the protrusions.

[0011] When in use, the slider is installed on the protrusion, which is convenient for installing the slider, while increasing the distance between the frame and the vehicle frame, reducing the risk of interference between components and pipelines, and improving the safety of the frame when sliding.

[0012] Preferably, cylinder mounting holes are provided at the four corners of the frame.

[0013] When in use, the injection cylinder is placed in the cylinder mounting hole to squeeze the hanging plate at the rear end of the frame for easy use.

[0014] Preferably, the front edge of the oil cylinder mounting hole protrudes from the front surface of the frame body, and the rear edge of the oil cylinder mounting hole protrudes from the rear surface of the frame body.

[0015] This structure facilitates the processing of the front edge of the cylinder mounting hole and the rear edge of the cylinder mounting hole, thereby improving the installation stability and installation accuracy of the injection cylinder.

[0016] Preferably, a first through hole is formed on the first mounting plate, and a second through hole is formed on the second mounting plate.

[0017] When in use, it is convenient to arrange the pipeline.

[0018] Preferably, the number of the second through holes is two, and the two second through holes are arranged on the left and the right.

[0019] When in use, it is convenient to arrange the pipeline.

[0020] In summary, the beneficial effects of the utility model are: the sliding frame is an integral casting structure, has no welds, has excellent performance, is light in structure, has a smooth overall frame, and is conducive to the casting process. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a three-dimensional structural schematic diagram of an excavator sliding frame of the utility model;

[0022] Figure 2 It is a side structural schematic diagram of an excavator sliding frame of the utility model;

[0023] Figure 3 yes Figure 2 Schematic diagram of the left view structure;

[0024] Figure 4 yes Figure 2 Schematic diagram of the structure viewed from above.

[0025] In the figure: 1, frame; 2, first mounting plate; 3, first through hole; 4, first hinge hole; 5, second mounting plate; 6, second through hole; 7, second hinge hole; 8, cylinder mounting hole; 9, step hole; 10, crossbeam; 11, swing cylinder fixing plate; 12, protrusion. DETAILED DESCRIPTION

[0026] The following is a further detailed description of the specific implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0027] In the description of the present application, it should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0028] The terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of this application, unless otherwise specified, "plurality" means two or more.

[0029] In the description of this application, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0030] The utility model is further described below in conjunction with the accompanying drawings and specific embodiments:

[0031] like Figures 1 to 4 As shown, an excavator sliding frame includes a frame body 1 in the shape of a rectangular ring, a first mounting plate 2 and a second mounting plate 5 are horizontally arranged on the front side of the frame body 1, a first hinge hole 4 is opened on the first mounting plate 2, and a second hinge hole 7 is opened on the second mounting plate 5. A cross beam 10 is connected to the inside of the frame body 1, and two horizontal swing cylinder fixing plates 11 are arranged on the left and right of the cross beam 10. The frame body 1, the first mounting plate 2, the second mounting plate 5, the cross beam 10 and the swing cylinder fixing plate 11 are integrally formed by casting.

[0032] The sliding frame is an integral casting structure without welds, has superior performance, a light structure, a smooth overall frame, and is conducive to the casting process.

[0033] Step holes 9 are provided at the four corners of the frame body 1 , and bolts are connected to the slide blocks after passing through the step holes 9 .

[0034] When in use, the bolt passes through the step hole 9 and is connected to the slide block to achieve the sliding function.

[0035] There are three step holes 9 corresponding to each corner of the frame 1, and the three step holes 9 are arranged in the horizontal direction.

[0036] When in use, the connection between the frame body 1 and the slider is firm, thereby increasing the service life.

[0037] like Figure 2 , 3 As shown, the back sides of the four corners of the frame body 1 are provided with protrusions 12 , and the step holes 9 are located at the protrusions 12 .

[0038] When in use, the slider is installed at the protrusion 12, which is convenient for installing the slider, while increasing the distance between the frame 1 and the vehicle frame, reducing the risk of interference between components and pipelines, and improving the safety of the frame 1 when sliding.

[0039] The four corners of the frame 1 are provided with oil cylinder mounting holes 8 .

[0040] When in use, the oil cylinder mounting hole 8 is used to place the injection oil cylinder to squeeze the hanging plate at the rear end of the frame for easy use.

[0041] The front edge of the oil cylinder mounting hole 8 protrudes from the front surface of the frame body 1 , and the rear edge of the oil cylinder mounting hole 8 protrudes from the rear surface of the frame body 1 .

[0042] This structure facilitates the processing of the front edge of the cylinder mounting hole 8 and the rear edge of the cylinder mounting hole 8, thereby improving the installation stability and installation accuracy of the injection cylinder.

[0043] The first mounting plate 2 is provided with a first through hole 3 , and the second mounting plate 5 is provided with a second through hole 6 .

[0044] When in use, it is convenient to arrange the pipeline.

[0045] The number of the second through holes 6 is two, and the two second through holes 6 are arranged one on the left and one on the right.

[0046] When in use, it is convenient to arrange the pipeline.

[0047] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and substitutions can be made without departing from the technical principle of the present invention. These improvements and substitutions should also be regarded as the protection scope of the present invention.

Claims

1. An excavator sliding frame, characterized in that: The invention comprises a frame (1) in the shape of a rectangular ring, wherein a first mounting plate (2) and a second mounting plate (5) are arranged horizontally on the front side of the frame (1), the first mounting plate (2) is provided with a first hinge hole (4), the second mounting plate (5) is provided with a second hinge hole (7), a cross beam (10) is connected inside the frame (1), two horizontal swing cylinder fixing plates (11) are arranged on the left and right of the cross beam (10), and the frame (1), the first mounting plate (2), the second mounting plate (5), the cross beam (10) and the swing cylinder fixing plate (11) are integrally formed by casting.

2. The excavator sliding frame according to claim 1, characterized in that: Step holes (9) are provided at the four corners of the frame body (1), and bolts are passed through the step holes (9) and connected to the slide blocks.

3. The excavator sliding frame according to claim 2, characterized in that: There are three step holes (9) corresponding to each corner of the frame body (1), and the three step holes (9) are arranged in a horizontal direction.

4. The excavator sliding frame according to claim 2, characterized in that: The back surfaces of the four corners of the frame body (1) are all provided with protrusions (12), and the step holes (9) are located at the protrusions (12).

5. The excavator sliding frame according to claim 1, characterized in that: Oil cylinder mounting holes (8) are provided at the four corners of the frame (1).

6. The excavator sliding frame according to claim 5, characterized in that: The front edge of the oil cylinder mounting hole (8) protrudes from the front surface of the frame body (1), and the rear edge of the oil cylinder mounting hole (8) protrudes from the rear surface of the frame body (1).

7. The excavator skid frame according to any one of claims 1 to 6, characterized in that: The first mounting plate (2) is provided with a first through hole (3), and the second mounting plate (5) is provided with a second through hole (6).

8. The excavator sliding frame according to claim 7, characterized in that: The number of the second through holes (6) is two, and the two second through holes (6) are arranged one on the left and one on the right.

Images