Fuel tank structure of excavator

Abstract

The utility model provides an excavator fuel tank structure, which belongs to the technical field of excavators, and comprises a tank body, the tank body is enclosed by a top plate, a coaming, an outer vertical plate, a bottom plate and a plurality of small vertical plates, a plurality of vertical rib plates and a plurality of horizontal rib plates are arranged in the tank body, the plurality of vertical rib plates are welded and fixed with the top plate, the coaming, the outer vertical plate and the bottom plate, and the horizontal rib plates are welded and fixed with the bottom plate. The plurality of horizontal rib plates are welded and fixed with the coaming, the outer vertical plate, the plurality of small vertical plates and the vertical rib plates. According to the fuel tank, the overall structural strength of the super-tonnage fuel tank can be improved, faults such as structural cracking and welding seam cracking cannot occur when the fuel tank is subjected to large vibration or impact, and the construction progress is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model belongs to excavator technical field, especially relate to a excavator fuel tank structure. BACKGROUND

[0002] As the power fuel source of excavator, the size of fuel tank is directly related to the continuous working time of excavator, especially the super large tonnage mining excavator (weight more than 100 tons) is more sensitive to the sustainable working time of fuel, with the increase of fuel tank volume, the oil tank structure is weakened; The working condition of super large tonnage excavator is complex, and the digging and rotation condition is more, the fuel tank structure strength requirement is high.

[0003] In addition, the super large tonnage fuel tank is part of the walkway to the power cabin, and the upper strength of the fuel tank is high.

[0004] The existing fuel tank internal rib plate structure mostly adopts "back" type structure or vertical plate structure, can only connect the vertical cladding or upper and lower cover plate of the fuel tank, cannot connect the six surfaces of the fuel tank to form a stable fuel tank internal structure, when subjected to large vibration or impact, the structure is prone to cracking, welding cracking and other faults, which affects the construction progress. UTILITY MODEL CONTENTS

[0005] In view of the defects or deficiencies in the prior art, the utility model provides a excavator fuel tank structure, which can improve the overall structure strength of super large tonnage fuel tank, and does not appear structure cracking, welding cracking and other faults when subjected to large vibration or impact, and guarantees the construction progress.

[0006] To achieve the above object, the utility model adopts the following technical scheme:

[0007] The embodiment of the utility model provides a excavator fuel tank structure, which comprises a tank body, the tank body is formed by a top plate, a cladding, an outer vertical plate, a bottom plate and a plurality of small vertical plates, a plurality of vertical rib plates and a plurality of horizontal rib plates are arranged in the tank body, the plurality of vertical rib plates are welded and fixed with the top plate, the cladding, the outer vertical plate and the bottom plate, and the plurality of horizontal rib plates are welded and fixed with the cladding, the outer vertical plate, the plurality of small vertical plates and the vertical rib plates.

[0008] Further, the cladding is an L-shaped bent plate, the small vertical plate is provided with three, the three small vertical plates are arranged in upper-middle-lower side by side, the cladding, the outer vertical plate and the three small vertical plates form the outer wall of the tank body, and the top plate and the bottom plate are fixed at the top and the bottom of the tank body respectively.

[0009] Further, the vertical rib plate comprises a first vertical rib plate and a second vertical rib plate, and the first vertical rib plate and the second vertical rib plate are arranged side by side.

[0010] Further, the horizontal rib plates include a first horizontal rib plate, a second horizontal rib plate and a third horizontal rib plate, the first horizontal rib plate is arranged between the first vertical rib plate and the plurality of small vertical plates, the second horizontal rib plate is arranged between the first vertical rib plate and the second vertical rib plate, and the third horizontal rib plate is arranged between the second vertical rib plate and the surrounding plate.

[0011] Further, the first horizontal rib plate is provided with two, and the two first horizontal rib plates are arranged in an upper and lower side-by-side mode.

[0012] Further, the first horizontal rib plate is provided with two, and the two first horizontal rib plates are arranged in an upper and lower side-by-side mode.

[0013] Further, the second horizontal rib plate is provided with two, and the two first horizontal rib plates are arranged in an upper and lower side-by-side mode.

[0014] Further, the third horizontal rib plate is provided with two, and the two third horizontal rib plates are arranged in correspondence with the two second horizontal rib plates, and the two third horizontal rib plates are welded and fixed with the second vertical rib plate, the surrounding plate and the outer vertical plate.

[0015] Further, the bottom of the bottom plate is provided with a mounting plate, the mounting plate is provided with two, and the two mounting plates are symmetrically arranged on both sides of the bottom of the bottom plate, the two mounting plates are connected through a bottom reinforcing rib, and the bottom reinforcing rib is welded and fixed on the bottom surface of the bottom plate.

[0016] Further, a liquid level meter channel is arranged between the top plate and the bottom plate, the liquid level meter channel is vertically arranged, and a mounting seat is arranged at the bottom of the liquid level meter channel and fixed on the upper surface of the bottom plate.

[0017] Compared with the prior art, the beneficial effects of the utility model lie in:

[0018] The utility model discloses a plurality of vertical rib plates are welded and fixed with the top plate, the bottom plate, the surrounding plate and the outer vertical plate, so that the top plate, the bottom plate, the surrounding plate and the outer vertical plate are reinforced and fixed, the structural strength of the box body is improved, and the strength requirement of the top of the box body as a walkway is met, a plurality of horizontal rib plates are welded and fixed with the surrounding plate, the outer vertical plate, the plurality of small vertical plates and the vertical rib plate, the internal reinforcing rib and the external oil tank plate are all contact welded, the structural strength of the oil tank is further improved, so that the overall structural strength of the super large tonnage fuel tank is improved, when the super large tonnage fuel tank is subjected to great vibration or impact, structural cracking, welding seam cracking and other faults do not occur, and the construction progress is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a front structure schematic view of the fuel tank in the embodiment of the utility model;

[0020] Figure 2 It is a back structure schematic view of the fuel tank in the embodiment of the utility model;

[0021] Figure 3 It is an internal structure schematic view of the fuel tank in the embodiment of the utility model;

[0022] Wherein, 1, top plate;2, coaming;3, outer vertical plate;4, bottom plate;5, small vertical plate;6, first vertical plate;7, second vertical plate;8, first horizontal plate;9, second horizontal plate;10, third horizontal plate;11, mounting plate;12, bottom reinforcing rib;13, cleaning flange;14, liquid level meter channel;15, mounting seat;16, guardrail mounting seat;17, lifting lug. Specific implementation

[0023] The utility model is further explained in connection with the drawings and embodiments.

[0024] A typical embodiment of the utility model, such as Figure 1 And Figure 2 As shown in a kind of excavator fuel tank structure, including tank, tank is enclosed by top plate 1, coaming 2, outer vertical plate 3, bottom plate 4 and several small vertical plates 5, coaming 2 is L-shaped bending plate, small vertical plate 5 is provided with three, three small vertical plates 5 are arranged in upper-middle-lower side by side, coaming 2, outer vertical plate 3 and three small vertical plates 5 form tank outer wall, top plate 1 and bottom plate 4 are respectively fixed at tank top and bottom.

[0025] As shown in Figure 3 Tank interior is provided with multiple vertical plates and multiple horizontal plates, wherein vertical plate includes first vertical plate 6 and second vertical plate 7, first vertical plate 6 and second vertical plate 7 are arranged side by side, the top end of first vertical plate 6 and second vertical plate 7 is welded and fixed with top plate 1, the bottom end of first vertical plate 6 and second vertical plate 7 is welded and fixed with bottom plate 4, the two sides of first vertical plate 6 and second vertical plate 7 are respectively welded and fixed with coaming 2 and outer vertical plate 3, by being provided with first vertical plate 6 and second vertical plate 7, to realize the reinforcing and fixing between top plate 1, bottom plate 4, coaming 2 and outer vertical plate 3, improve the structural strength of tank, and meet the strength requirement that tank top is as walkway.

[0026] The horizontal rib plates include a first horizontal rib plate 8, a second horizontal rib plate 9 and a third horizontal rib plate 10, wherein the first horizontal rib plate 8 is arranged between the first vertical rib plate 6 and the plurality of small vertical plates 5, and two first horizontal rib plates 8 are arranged in parallel above and below, the upper first horizontal rib plate 8 is arranged between the upper small vertical plate 5 and the middle small vertical plate 5, and is welded and fixed with the upper small vertical plate 5, the middle small vertical plate 5, the surrounding plate 2, the outer vertical plate 3 and the first vertical rib plate 6, and the lower first horizontal rib plate 8 is arranged between the middle small vertical plate 5 and the lower small vertical plate 5, and is welded and fixed with the middle small vertical plate 5, the lower small vertical plate 5, the surrounding plate 2, the outer vertical plate 3 and the first vertical rib plate 6; the second horizontal rib plate 9 is arranged between the first vertical rib plate 6 and the second vertical rib plate 7, and two second horizontal rib plates 9 are arranged correspondingly with the two first horizontal rib plates 8, and the two second horizontal rib plates 9 are welded and fixed with the first vertical rib plate 6, the second vertical rib plate 7, the surrounding plate 2 and the outer vertical plate 3; the third horizontal rib plate 10 is arranged between the second vertical rib plate 7 and the surrounding plate 2, and two third horizontal rib plates 10 are arranged correspondingly with the two second horizontal rib plates 9, and the two third horizontal rib plates 10 are welded and fixed with the second vertical rib plate 7, the surrounding plate 2 and the outer vertical plate 3.

[0027] By arranging the vertical rib plate and the horizontal rib plate inside the box body, the internal reinforcing rib and the external oil tank plate are all contact welded, and the structural strength of the oil tank is further improved.

[0028] The bottom plate 4 is provided with a mounting plate 11 at the bottom, the mounting plate 11 is provided with two mounting plates 11 arranged symmetrically on both sides of the bottom of the bottom plate 4, bolt holes are formed in the mounting plate 11, the fuel tank is fixedly connected with the excavator platform through the mounting plate 11, the two mounting plates 11 are connected through a bottom reinforcing rib 12, and the bottom reinforcing rib 12 is welded and fixed on the bottom surface of the bottom plate 4 and used for strengthening the connection strength of the mounting plate 11 and the box body.

[0029] The bottom plate 4 is provided with a plurality of cleaning flanges 13, a sealing ring is arranged between the cleaning flange 13 and the bottom plate 4, the cleaning flange 13 is provided with an oil suction port and a water discharge port, the oil suction port protrudes from the bottom plate 4 to prevent impurities at the bottom from being sucked out during oil suction, and the water discharge port is used for cleaning the oil dirt and impurities in the box body.

[0030] The top plate 1 and the bottom plate 4 are provided with a liquid level meter channel 14, the liquid level meter channel 14 is vertically arranged and used for installing a liquid level meter to measure the oil liquid height in the box body, the liquid level meter channel 14 is provided with a mounting seat 15 at the bottom, the mounting seat 15 is fixed on the upper surface of the bottom plate 4 and used for fixing the liquid level meter channel 14 to ensure that the liquid level meter channel 14 does not shake, and a plurality of through holes are uniformly formed in the liquid level meter channel 14 to ensure that the air pressure inside and outside the channel is the same and the liquid level inside and outside the channel is consistent.

[0031] A plurality of guardrail mounting seats 16 are arranged on the top surface of the top plate 1 for mounting upper passage guardrails, and a plurality of lifting lugs 17 are arranged on the top surface of the top plate 1 for facilitating hoisting of the fuel tank.

[0032] The plurality of vertical rib plates are welded and fixed with the top plate, the bottom plate, the surrounding plate and the outer vertical plate, thereby achieving the reinforced fixing between the top plate, the bottom plate, the surrounding plate and the outer vertical plate, improving the structural strength of the tank body and meeting the strength requirement of the tank body top as a walkway; the plurality of horizontal rib plates are welded and fixed with the surrounding plate, the outer vertical plate, the small vertical plates and the vertical rib plates, thereby achieving the full contact welding between the internal reinforcing rib and the external tank plate, further improving the structural strength of the tank, thereby improving the overall structural strength of the super large tonnage fuel tank, and when the tank is subjected to large vibration or impact, the tank will not be cracked or the weld will not be cracked, thereby ensuring the construction progress.

[0033] The above only describes the preferred embodiments of the present application and is not intended to limit the present application. For those skilled in the art, the present application can be variously changed and modified. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A structure of a fuel tank for a backhoe loader, characterized by comprising: The box is formed by a top plate, a surrounding plate, an outer standing plate, a bottom plate and a plurality of small standing plates, and a plurality of vertical rib plates and a plurality of horizontal rib plates are arranged in the box, the plurality of vertical rib plates are welded and fixed with the top plate, the surrounding plate, the outer standing plate and the bottom plate, and the plurality of horizontal rib plates are welded and fixed with the surrounding plate, the outer standing plate, the plurality of small standing plates and the vertical rib plates; The surrounding plate is an L-shaped bent plate, the small standing plates are arranged in three, the three small standing plates are arranged in upper-middle-lower parallel, and the surrounding plate, the outer standing plate and the three small standing plates form the outer wall of the box, and the top plate and the bottom plate are fixed at the top and the bottom of the box respectively; The horizontal rib plate comprises a first horizontal rib plate, a second horizontal rib plate and a third horizontal rib plate, the first horizontal rib plate is arranged between the first vertical rib plate and the plurality of small standing plates, the second horizontal rib plate is arranged between the first vertical rib plate and the second vertical rib plate, and the third horizontal rib plate is arranged between the second vertical rib plate and the surrounding plate.

2. The excavator fuel tank structure according to claim 1, characterized by The vertical rib plate comprises a first vertical rib plate and a second vertical rib plate, and the first vertical rib plate and the second vertical rib plate are arranged in parallel.

3. The excavator fuel tank structure according to claim 1, characterized by The first horizontal rib plate is provided with two, and the two first horizontal rib plates are arranged in upper-lower parallel.

4. A fuel tank structure for an excavator according to claim 3, wherein The upper first horizontal rib plate is arranged between the upper small standing plate and the middle small standing plate, and is welded and fixed with the upper small standing plate, the middle small standing plate, the surrounding plate, the outer standing plate and the first vertical rib plate, and the lower first horizontal rib plate is arranged between the middle small standing plate and the lower small standing plate, and is welded and fixed with the middle small standing plate, the lower small standing plate, the surrounding plate, the outer standing plate and the first vertical rib plate.

5. The excavator fuel tank structure according to Claim 1, wherein The second horizontal rib plate is provided with two, and is arranged correspondingly with the two first horizontal rib plates, and the two second horizontal rib plates are welded and fixed with the first vertical rib plate, the second vertical rib plate, the surrounding plate and the outer standing plate.

6. The excavator fuel tank structure according to Claim 1, wherein The third horizontal rib plate is provided with two, and the two third horizontal rib plates are arranged correspondingly with the two second horizontal rib plates, and the two third horizontal rib plates are welded and fixed with the second vertical rib plate, the surrounding plate and the outer standing plate.

7. The excavator fuel tank structure according to Claim 1, wherein The bottom plate is provided with a mounting plate at the bottom, the mounting plate is provided with two and is symmetrically arranged at both sides of the bottom of the bottom plate, the two mounting plates are connected through a bottom reinforcing rib, and the bottom reinforcing rib is welded and fixed on the bottom surface of the bottom plate.

8. The excavator fuel tank structure according to Claim 1, wherein A liquid level meter channel is arranged between the top plate and the bottom plate, the liquid level meter channel is vertically arranged, the liquid level meter channel is provided with a mounting seat at the bottom, and the mounting seat is fixed on the upper surface of the bottom plate.

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