Novel stone fork frame

Abstract

The utility model belongs to the technical field of engineering machinery, and particularly discloses a novel stone fork frame which comprises a vertical plate assembly, an upper transverse frame and a lower transverse frame, the vertical plate assembly comprises a first vertical plate, a second vertical plate, a third vertical plate and a fourth vertical plate which are arranged side by side in parallel, an upper beam is fixedly connected to the upper transverse frame and is fixedly connected with the vertical plate assembly at the same time, the upper beam is formed by bending a vertical plate around a horizontal shaft, and the upper end face and the lower end face of the vertical plate are connected to the rear side face of the upper transverse frame. Compared with the prior art, the upper transverse frame can be directly welded after directly abutting against the upper transverse frame, fixing is convenient, compared with welding of a plurality of plates, welding time is saved, extra positioning time is omitted, weight is reduced, stability of the whole machine is improved, structural strength is high, and cost is low.

Description

Technical Field

[0001] The utility model belongs to the technical field of engineering machinery, in particular to a novel stone fork frame. Background Art

[0002] As an accessory of forklift loader, stone fork is mainly used for loading and transporting stone blocks. Stone fork generally includes fork frame, fork teeth, connecting pins and other components. The fork frame must be connected to the whole machine and equipped with fork teeth to bear the pressure of stone blocks, and has high requirements on strength.

[0003] In the prior art, in order to enhance the structural strength, thick plates are usually used to connect the two sides, and the thick plates are fixed by vertical plates. This structure has poor overall rigidity and low strength. In order to improve the strength, the thickness of each steel plate needs to be increased, resulting in a higher total weight, which affects the weight and stability of the whole machine. Utility Model Content

[0004] Aiming at the problem that the existing fork frame is connected by thick plates, the total weight is high, which affects the weight and stability of the whole machine, a new stone fork frame is proposed. The utility model provides the following technical solutions:

[0005] A new type of stone fork frame, including a vertical plate assembly, an upper horizontal frame and a lower horizontal frame spaced apart from each other, and a mounting hole is arranged on the vertical plate assembly; the vertical plate assembly is fixedly connected to the rear sides of the upper horizontal frame and the lower horizontal frame; the vertical plate assembly includes a first vertical plate, a second vertical plate, a third vertical plate and a fourth vertical plate arranged in parallel side by side, and the arrangement is: the first vertical plate, the second vertical plate, the third vertical plate, the fourth vertical plate, the fourth vertical plate, the third vertical plate, the second vertical plate and the first vertical plate are spaced apart in sequence; an installation space for a movable arm is formed between the first vertical plate and the second vertical plate, an installation space for a pull rod is formed between the second vertical plate and the third vertical plate, and an installation space for a fork tooth is formed between the fourth vertical plate and the first vertical plate; an upper beam is fixedly connected to the upper horizontal frame, and the upper beam is fixedly connected to the vertical plate assembly at the same time, the upper beam is formed by bending a vertical plate around a horizontal axis, and the upper and lower end surfaces of the vertical plate are joined to the rear side surface of the upper horizontal frame.

[0006] Preferably, the lower cross frame comprises a lower cross plate and a lower vertical plate, and the lower cross plate is horizontally placed and fixedly connected to the lower vertical plate.

[0007] Preferably, the lower horizontal plate and the lower vertical plate are arranged perpendicular to each other.

[0008] Preferably, the lower end of the fourth vertical plate is fixedly connected to the upper end surface of the lower horizontal plate and the upper end surface of the lower vertical plate.

[0009] Preferably, the front side surface of the lower portion of the second vertical plate is fixedly connected to the lower vertical plate, and the left and right side surfaces of the lower portion of the second vertical plate are fixedly connected to the lower horizontal plate.

[0010] Preferably, a rib plate is connected between the second vertical plate and the third vertical plate.

[0011] Preferably, the cross section of the upper beam is C-shaped or U-shaped.

[0012] Preferably, the upper cross frame is a wear-resistant plate.

[0013] Preferably, a fork limit plate is connected between the first vertical plate and the second vertical plate, between the second vertical plate and the third vertical plate, and between the third vertical plate and the fourth vertical plate. The fork limit plate is provided with a pin hole, and a limit block is inserted in the pin hole.

[0014] Preferably, a fork hook is fixedly connected to the rear side of the fork tine, a limiting groove is arranged at the upper end of the fork hook, and the lower end of the lower vertical plate extends into the limiting groove.

[0015] Compared with the prior art, the utility model has the following beneficial effects:

[0016] 1. An upper beam is fixedly connected to the upper horizontal frame, and the upper beam is also fixedly connected to the vertical plate assembly. The upper beam is formed by bending the vertical plate around the horizontal axis. The upper and lower end surfaces of the vertical plate are connected to the rear side of the upper horizontal frame. The structure is simple and integrally formed. It can be directly welded after directly abutting the upper horizontal frame, which is convenient for fixing;

[0017] 2. Compared with welding multiple plates, simply welding the upper beam saves welding time and eliminates additional positioning time;

[0018] 3. Reduced weight, improved overall machine weight and stability, high structural strength and low cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0020] Figure 2 It is a cross-sectional structural schematic diagram of the utility model;

[0021] Figure 3 It is a schematic diagram of the use state of the utility model;

[0022] Figure 4 This is another schematic diagram of the use state of the utility model;

[0023] Figure 5 It is a schematic diagram of the connection relationship between the lower horizontal plate, the lower vertical plate and the fork hook of the utility model;

[0024] Figure 6 It is a three-dimensional structural schematic diagram of the fork hook after assembly of the utility model;

[0025] In the attached drawings, 1, first vertical plate; 2, second vertical plate; 3, third vertical plate; 4, fourth vertical plate; 5, upper beam; 6, wear-resistant plate; 7, fork tine limit plate; 8, rib plate; 9, lower horizontal plate; 10, lower vertical plate; 11, movable arm; 12, pull rod; 13, fork tine; 131, fork tine hook; 14, connecting rod; 15, limit block; 16, pin hole. DETAILED DESCRIPTION

[0026] The directional words mentioned in the following embodiments, such as "up", "down", "left", "right", etc., are only referenced to the directions of the drawings. Therefore, the directional words used are used to illustrate rather than limit the invention of the utility model.

[0027] Example 1

[0028] like Figure 1-6 As shown, a new type of stone fork frame comprises a vertical plate assembly, an upper horizontal frame and a lower horizontal frame arranged at intervals from top to bottom, and mounting holes are arranged on the vertical plate assembly; the vertical plate assembly is fixedly connected to the rear sides of the upper horizontal frame and the lower horizontal frame; the vertical plate assembly comprises a first vertical plate 1, a second vertical plate 2, a third vertical plate 3 and a fourth vertical plate 4 arranged side by side in parallel, and the arrangement form is: the first vertical plate 1, the second vertical plate 2, the third vertical plate 3, the fourth vertical plate 4, the fourth vertical plate 4, the third vertical plate 3, the second vertical plate 2 and the first vertical plate 1 are arranged at intervals in sequence; an installation space for a movable arm 11 is formed between the first vertical plate 1 and the second vertical plate 2, and the movable arm 11 can be hinged through the corresponding mounting holes, and an installation space for a pull rod 12 is formed between the second vertical plate 2 and the third vertical plate 3, and the pull rod 12 can be hinged through the corresponding mounting holes. The corresponding mounting holes are hinged to the pull rod 12, and mounting space for the fork teeth 13 is formed between the fourth vertical plate 4 and the first vertical plate 1, and the fork teeth 13 can be connected by the connecting rod 14 and the corresponding mounting holes; the position arrangement of each mounting hole is conventional technology, so it is not repeated here; the upper horizontal frame is fixedly connected to the upper beam 5, and the upper beam 5 is also fixedly connected to the vertical plate assembly. The upper beam 5 is formed by bending the vertical plate around the horizontal axis, and the upper and lower end surfaces of the vertical plate are connected to the rear side surface of the upper horizontal frame. The upper beam 5 has a simple structure and is integrally formed. It can be directly abutted against the upper horizontal frame and then directly welded, which is convenient for fixation. Compared with welding multiple plates, it saves welding time, eliminates additional positioning time, reduces weight, improves the weight and stability of the whole machine, and has high structural strength and low cost.

[0029] Specifically, the lower cross frame includes a lower cross plate 9 and a lower vertical plate 10, and the lower cross plate 9 is horizontally placed and fixedly connected to the lower vertical plate 10. The lower cross plate 9 and the lower vertical plate 10 are vertically connected to each other, and the structural strength is high; the lower end of the fourth vertical plate 4 is fixedly connected to the upper end surface of the lower cross plate 9 and the upper end surface of the lower vertical plate 10, and the lower cross plate 9 can provide support for the fourth vertical plate 4, which is convenient for positioning before welding. The lower front side surface of the second vertical plate 2 is fixedly connected to the lower vertical plate 10, and the lower left and right side surfaces of the second vertical plate 2 are fixedly connected to the lower cross plate 9. The lower cross plate 9 and the lower vertical plate 10 are arranged between the left and right first vertical plates 1, and the lower cross plate 9 and the lower vertical plate 10 are fixedly connected to the side surface of the first vertical plate 1; the first vertical plate 1, the second vertical plate 2, the third vertical plate 3 and the fourth vertical plate 4 are welded and connected into a whole through the lower cross plate 9 and the lower vertical plate 10, thereby effectively improving the overall structural strength.

[0030] Specifically, the middle portion of the second vertical plate 2 is recessed backwards to make room for the fourth vertical plate 4 and the first vertical plate 1 to install the connecting rod 14 .

[0031] Specifically, a fork tine limiting plate 7 is connected between the first vertical plate 1 and the second vertical plate 2, between the second vertical plate 2 and the third vertical plate 3, and between the third vertical plate 3 and the fourth vertical plate 4. The fork tine limiting plate 7 is provided with a pin hole 16, and a limiting block 15 can be inserted into the pin hole 16 to limit the axial movement of the fork tine 13 on the connecting rod 14.

[0032] Specifically, a fork hook 131 is fixedly connected to the rear side of the fork tine 13 , and a limiting groove is arranged at the upper end of the fork hook 131 , and the lower end of the lower vertical plate 10 extends into the limiting groove to limit the fork tine 13 .

[0033] Specifically, a transverse rib plate 8 is connected between the second vertical plate 2 and the third vertical plate 3 to improve the structural strength.

[0034] Specifically, the cross section of the upper beam 5 is U-shaped; the upper cross frame is a wear-resistant plate 6 and is vertically arranged.

[0035] Specifically, a plurality of upper beams 5 are provided, which are arranged between the first vertical plate 1 and the second vertical plate 2 , between the second vertical plate 2 and the third vertical plate 3 , between the third vertical plate 3 and the fourth vertical plate 4 , and between two fourth vertical plates 4 .

[0036] Example 2

[0037] The difference from the first embodiment is that the upper beam 5 is provided with a joint groove, and the upper parts of the first vertical plate 1 , the second vertical plate 2 , the third vertical plate 3 and the fourth vertical plate 4 are provided with a joint groove, and the joint groove is kissed to the outer side surface of the upper beam 5 .

[0038] Example 3

[0039] The difference from the first or second embodiment is that the cross section of the upper beam 5 is C-shaped.

[0040] Example 4

[0041] The difference from Embodiment 3 is that the cross section of the upper beam 5 is a closed polygonal structure with one side line missing, and the missing side line is parallel to the wear-resistant plate 6 (ie, the upper cross frame).

Claims

1. A new type of stone fork frame, characterized in that: The invention comprises a vertical plate assembly, an upper horizontal frame and a lower horizontal frame which are arranged at intervals from top to bottom, and a mounting hole is arranged on the vertical plate assembly; the vertical plate assembly comprises a first vertical plate (1), a second vertical plate (2), a third vertical plate (3) and a fourth vertical plate (4) which are arranged in parallel and side by side, and the arrangement form is: the first vertical plate (1), the second vertical plate (2), the third vertical plate (3), the fourth vertical plate (4), the fourth vertical plate (4), the third vertical plate (3), the second vertical plate (2) and the first vertical plate (1) are arranged at intervals in sequence; an installation space for a movable arm (11) is formed between the first vertical plate (1) and the second vertical plate (2), an installation space for a pull rod (12) is formed between the second vertical plate (2) and the third vertical plate (3), and an installation space for a fork tooth (13) is formed between the fourth vertical plate (4) and the first vertical plate (1); an upper beam (5) is fixedly connected to the upper horizontal frame, and the upper beam (5) is fixedly connected to the vertical plate assembly at the same time, and the upper beam (5) is formed by bending a vertical plate around a horizontal axis, and the upper and lower end surfaces of the vertical plate are connected to the rear side surface of the upper horizontal frame.

2. The new stone fork frame according to claim 1 is characterized in that: The lower cross frame comprises a lower cross plate (9) and a lower vertical plate (10), wherein the lower cross plate (9) is arranged horizontally and fixedly connected to the lower vertical plate (10).

3. The new stone fork frame according to claim 2 is characterized in that: The lower horizontal plate (9) and the lower vertical plate (10) are arranged perpendicular to each other.

4. The new stone fork frame according to claim 2 is characterized in that: The lower end of the fourth vertical plate (4) is fixedly connected to the upper end surface of the lower horizontal plate (9) and the upper end surface of the lower vertical plate (10).

5. The new stone fork frame according to claim 2 is characterized in that: The front side surface of the lower part of the second vertical plate (2) is fixedly connected to the lower vertical plate (10), and the left and right side surfaces of the lower part of the second vertical plate (2) are fixedly connected to the lower horizontal plate (9).

6. The new stone fork frame according to claim 1 or 2, characterized in that: A rib plate (8) is connected between the second vertical plate (2) and the third vertical plate (3).

7. The new stone fork frame according to claim 1 or 2, characterized in that: The cross section of the upper beam (5) is C-shaped or U-shaped.

8. The new stone fork frame according to claim 1 or 2, characterized in that: The upper cross frame is a wear-resistant plate (6).

9. The new stone fork frame according to claim 1 or 2, characterized in that: A fork tine limiting plate (7) is connected between the first vertical plate (1) and the second vertical plate (2), between the second vertical plate (2) and the third vertical plate (3), and between the third vertical plate (3) and the fourth vertical plate (4). A pin hole (16) is provided on the fork tine limiting plate (7), and a limiting block (15) is inserted into the pin hole (16).

10. The new stone fork frame according to claim 2 is characterized in that: A fork hook (131) is fixedly connected to the rear side of the fork tine (13), a limiting groove is provided at the upper end of the fork hook (131), and the lower end of the lower vertical plate (10) extends into the limiting groove.

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