Leakage-proof testing machine for oil tank

Abstract

The invention discloses an oil tank leakage-proof testing machine which comprises a rack, the rack comprises a base and a protective cover, a water storage tank is arranged in the protective cover and located on the base, and an oil tank fixing table top is arranged in the water storage tank; the base is provided with a lifting mechanism used for controlling the oil tank fixing table board to be immersed into the water storage tank or lifted from the water storage tank. A sealing mechanism used for sealing an oil tank opening is arranged on the oil tank fixing table top. And a control panel for controlling the operation states of the lifting mechanism and the sealing mechanism is arranged on the protective cover. The sealing mechanism is arranged, the sealing mechanism comprises the first sealing ring and the second sealing ring, oil tank openings in the top face and the side face of the oil tank can be sealed at the same time, and the positions of the first sealing ring and the second sealing ring can be adjusted through matched use of the U-shaped sliding rail, the first sliding block and the second sliding block; the sealing device is suitable for sealing oil tank openings in different positions of the top faces and the side faces of oil tanks of different models and is wide in application range and high in applicability.

Description

Technical Field

[0001] The invention relates to an oil tank anti-leakage testing machine. Background Art

[0002] The fuel tank is a container for fuel on a vehicle and a special container for storing hydraulic oil or hydraulic fluid in a hydraulic system. The fuel tank can be divided into two types: open tank and closed tank. The fuel tank must have a large enough volume. The oil suction pipe and the oil return pipe should be inserted below the minimum liquid level to prevent air bubbles from being generated by vacuum suction and oil return splashing. The distance between the oil suction pipe and the oil return pipe should be as far as possible, and a partition should be set between them. In order to keep the oil clean, the fuel tank should have a peripheral sealed cover. After long-term use, the fuel tank and the fuel tank manufacturer, in order to ensure the sealing of the fuel tank, need to conduct a full leakage inspection of the fuel tank.

[0003] At present, most production enterprises basically rely on manual methods to put the tested oil tank into a container filled with water for testing. Manual labor is required to complete the high-intensity action of holding the oil tank and pressing it into the water for testing, which is labor-intensive. In addition, the speed of manually pressing the oil tank for oil leakage testing is slow and the detection efficiency is low. A small number of production enterprises use testing machines for sealing tests, but there are still some problems.

[0004] Traditional fuel tank leak testing machines are not suitable for sealing fuel tank openings in different locations, nor can they limit and fix fuel tanks of different models, causing the fuel tank to easily slide and fall when sinking into or rising from the water tank. They have low safety, low overall applicability, and are time-consuming and labor-intensive, with low testing efficiency. Summary of the invention

[0005] The purpose of the present invention is to provide an oil tank leak tester to solve the problem that the oil tank leak tester proposed in the above background technology is not suitable for the sealing of oil tank openings in different positions, and is unable to limit and fix oil tanks of different models, resulting in the oil tank being easy to slide and fall during the process of sinking into or rising from the water tank, with low safety, low overall applicability, time-consuming and labor-intensive, and low testing efficiency.

[0006] To achieve the above object, the present invention provides the following technical solution: an oil tank leak tester, comprising a frame, the frame comprising a base and a protective cover, the protective cover is mounted on the base, a water storage tank is arranged inside the protective cover and on the base, and an oil tank fixing table is arranged inside the water storage tank; The base is provided with a lifting mechanism for controlling the oil tank fixing tabletop to be immersed in the water tank or lifted from the water tank; The oil tank fixing table is provided with a sealing mechanism for sealing the oil tank opening; The protective cover is provided with a control panel for controlling the operating states of the lifting mechanism and the sealing mechanism.

[0007] Preferably, two lifting mechanisms are symmetrically arranged with respect to the fuel tank fixing table surface. The lifting mechanism includes an L-shaped bracket, which is arranged on the base in an L shape. A lifting cylinder is arranged on the cross beam of the L-shaped bracket, and the hydraulic rod of the lifting cylinder passes through the cross beam and is connected to a support plate. Two guide rods are also symmetrically arranged on the cross beam with respect to the lifting cylinder, and the output ends of the guide rods also pass through the cross beam and are connected to the support plate. The support plate is connected to the fuel tank fixing table surface.

[0008] Preferably, two connecting columns are symmetrically arranged at both ends of the bottom surface of the support plate, and the connecting columns are movably connected to the fuel tank fixing table surface through buckles, and the buckles are symmetrically arranged on the fuel tank fixing table surface.

[0009] Preferably, an outer support platform and an inner support platform for supporting and fixing the fuel tank to be tested are arranged on the fuel tank fixing table surface.

[0010] Preferably, the outer support platform includes a tray member and a fixed triangular frame. Two tray members are vertically and symmetrically arranged inwardly, and a fixed triangular frame for fixing the tray member is arranged on the back surface of the tray member.

[0011] Preferably, the inner support platform is located inside the outer support platform. The inner support platform includes two symmetrically arranged convex platforms, and the convex platforms are arranged parallel to the tray member. Two limiting clamping platforms are vertically arranged on the two convex platforms. A plurality of clamping grooves are arranged at both ends of the opposite surfaces of the two limiting clamping platforms. Clamping plates adapted to the clamping grooves are arranged in the symmetrically arranged clamping grooves of the two limiting clamping platforms.

[0012] Preferably, a backing plate for supporting the limiting clamping platform is arranged on the fuel tank fixing table surface below the limiting clamping platform.

[0013] Preferably, the sealing mechanism includes a U-shaped slide rail, which is divided into an upper horizontal slide rail, a vertical slide rail and a lower horizontal slide rail. A first slider adapted to it and capable of sliding up and down along it is arranged in the vertical slide rail. A first cylinder is installed on the first slider, and the piston rod of the first cylinder is connected to a first sealing ring for sealing the fuel tank opening. A second slider adapted to it is arranged in the upper horizontal slide rail, and a second cylinder is arranged on the second slider. The piston rod of the second cylinder is connected to a second sealing ring.

[0014] Preferably, a chute for the limiting clamping platform to pass through is opened on the lower horizontal slide rail, and a limiting block for limiting the lower horizontal slide rail is arranged on the limiting clamping platform.

[0015] Preferably, the base includes four legs, the bottoms of the four legs are connected in pairs by four cross bars, and the four cross bars form a rectangular frame. A cross-shaped frame is provided at the tops of the four legs, and the vertices of the four legs are respectively located at the four corners of the cross-shaped frame. The cross-shaped frame is used to carry the water storage tank.

[0016] Compared with the prior art, the advantages and benefits of the present invention are as follows: The present invention is provided with a lifting mechanism, which facilitates the lifting of the fuel tank fixing table. The lifting mechanism cooperates with the control panel, which facilitates the operation of sinking the sealed fuel tank into the water storage tank for sealing test. Similarly, the fuel tank fixing table after the sealing test is completed is lifted and the fuel tank is taken out, which is convenient to operate, time-saving and labor-saving. The present invention is provided with a sealing mechanism, and the sealing mechanism includes a first sealing ring and a second sealing ring, which can seal the top surface and the side fuel tank openings of the fuel tank at the same time. And by using the C-shaped slide rail in cooperation with the first slider and the second slider, the positions of the first sealing ring and the second sealing ring can be adjusted, which is suitable for sealing the fuel tank openings at different positions on the top surface and the side of fuel tanks of different models, with a wide application range and strong applicability. And before being fixed, the whole sealing mechanism can slide along the positioning clamping table to adjust the position of the sealing mechanism and improve its applicability. The present invention is provided with an outer support table and an inner support table on the fuel tank fixing table to limit and fix the fuel tank. The position of the clamping groove into which the clamping plate is inserted can be selected and adjusted to be suitable for the limit fixation of fuel tanks of different models, making the machine multi-functional and improving the overall applicability. Description of the Drawings

[0017] Figure 1 is a schematic perspective structure diagram of the whole of the present invention; Figure 2 is a schematic structure diagram of the whole of the present invention without assembling the protective cover and the water storage tank; Figure 3 is a schematic assembly structure diagram of the fuel tank fixing table, the lifting mechanism and the sealing mechanism of the present invention; Figure 4 is a three-dimensional structure diagram of the fuel tank fixing table of the present invention; Figure 5 is a schematic assembly structure diagram of the fuel tank fixing table and the sealing mechanism of the present invention; Figure 6 is a schematic assembly structure diagram of the fuel tank fixing table and the lifting mechanism of the present invention.

[0018] In the figure: 1. Frame; 2. Base; 21. Leg; 22. Rectangular frame; 23. Cross-shaped frame; 3. Protective cover; 4. Control panel; 5. Water storage tank; 6. Fuel tank fixing tabletop; 61. Outer support table; 611. Tray part; 612. Fixed tripod; 62. Inner support table; 621. Boss; 622. Limit clamping table; 623. Pad; 624. Card slot; 625. Card board; 7. Lifting mechanism; 71. L-shaped bracket; 72. Lifting cylinder; 73. Support plate; 74. Guide rod; 75. Connecting column; 76. Buckle; 8. Sealing mechanism; 81. C-shaped slide rail; 82. First slider; 83. First cylinder; 84. First sealing ring; 85. Second slider; 86. Second cylinder; 87. Second sealing ring; 88. Slide groove; 89. Limit block. Detailed implementation mode

[0019] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

[0020] Please refer to Figure 1-6 , the present invention provides a technical solution: a fuel tank leakage prevention tester, including a frame 1, the frame 1 includes a base 2 and a protective cover 3, the protective cover 3 is installed on the base 2, a water storage tank 5 is arranged in the protective cover 3 and on the base 2, and a fuel tank fixing tabletop 6 is arranged in the water storage tank 5; A lifting mechanism 7 is arranged on the base 2 for controlling the fuel tank fixing tabletop 6 to immerse into or rise from the water storage tank 5; A sealing mechanism 8 for sealing the fuel tank opening is arranged on the fuel tank fixing tabletop 6; A control panel 4 for controlling the operating states of the lifting mechanism 7 and the sealing mechanism 8 is arranged on the protective cover 3.

[0021] As a preferred embodiment, two lifting mechanisms 7 are symmetrically arranged about the oil tank fixed table 6, and the lifting mechanism 7 includes an L-shaped bracket 71, and the L-shaped bracket 71 is arranged in the shape of a 7 on the base 2. A lifting cylinder 72 is arranged on the crossbeam of the L-shaped bracket 71, and the hydraulic rod of the lifting cylinder 72 passes through the crossbeam and is connected to a support plate 73. Two guide rods 74 are also symmetrically arranged on the crossbeam about the lifting cylinder 72, and the output end of the guide rod 74 also passes through the crossbeam and is connected to the support plate 73, and the support plate 73 is connected to the oil tank fixed table 6; the lifting mechanism 7 facilitates the lifting and lowering of the oil tank fixed table 6, and the lifting mechanism 7 cooperates with the control panel 4 to facilitate the control of sinking the sealed oil tank into the water tank 5 for sealing testing. Similarly, the oil tank fixed table 6 after the sealing test is completed is lifted and the oil tank is taken out, which is easy to operate and saves time and effort.

[0022] On the basis of the above structure, two connecting columns 75 are symmetrically arranged at both ends of the bottom surface of the support plate 73, and the connecting columns 75 are movably connected to the oil tank fixed table top 6 through buckles 76. The buckles 76 are symmetrically arranged on the oil tank fixed table top 6. Compared with the rigid mechanism, the movable structure is more conducive to protecting the mechanism parts themselves, and can buffer and offset the shaking during the lifting process to a certain extent.

[0023] As a preferred embodiment, the oil tank fixing table 6 is provided with an outer support platform 61 and an inner support platform 62 for supporting and fixing the oil tank to be tested.

[0024] As a preferred embodiment, the outer support platform 61 includes a pallet member 611 and a fixed tripod 612 . Two pallet members 611 are vertically and symmetrically arranged inwardly, and a fixed tripod 612 for fixing the pallet member 611 is arranged on the back of the pallet member 611 .

[0025] As a preferred embodiment, the inner support platform 62 is located inside the outer support platform 61, and the inner support platform 62 includes two symmetrically arranged bosses 621, and the bosses 621 are arranged parallel to the pallet member 611, and two limit clamping platforms 622 are arranged perpendicularly on the two bosses 621, and multiple clamping grooves 624 are arranged on the opposite surfaces of the two limit clamping platforms 622 and at both ends thereof, and the clamping plates 625 matched with them are arranged in the symmetrical clamping grooves 624 of the two limit clamping platforms 622; the outer support platform 61 and the inner support platform 62 are arranged on the oil tank fixing table 6, and the oil tank is limited and fixed, and the position of the clamping groove 624 into which the clamping plate 625 is inserted can be adjusted to be suitable for the limit fixation of oil tanks of different models, so that one machine can be used for multiple purposes and the overall applicability is improved.

[0026] On the basis of the above structure, a pad 623 for supporting the limit clamping platform 622 is provided on the oil tank fixed table 6 and below the limit clamping platform 622 .

[0027] As a preferred embodiment, the sealing mechanism 8 includes a U-shaped slide rail 81, which is divided into an upper horizontal slide rail, a vertical slide rail and a lower horizontal slide rail. A first slider 82 adapted to slide up and down along it is arranged in the vertical slide rail. A first air cylinder 83 is installed on the first slider 82, and a first sealing ring 84 for sealing the fuel tank opening is connected to the piston rod of the first air cylinder 83. A second slider 85 adapted to it is arranged in the upper horizontal slide rail, and a second air cylinder 86 is arranged on the second slider 85. The piston rod of the second air cylinder 86 is connected to a second sealing ring 87. The sealing mechanism 8 includes the first sealing ring 84 and the second sealing ring 87, which can seal the fuel tank openings on the top surface and the side surface of the fuel tank at the same time. And by the cooperation of the U-shaped slide rail 81 with the first slider 82 and the second slider 85, the positions of the first sealing ring 84 and the second sealing ring 87 can be adjusted, which is applicable to the sealing of fuel tank openings at different positions on the top surface and the side surface of fuel tanks of different models, with a wide application range and strong applicability.

[0028] On the basis of the above structure, a chute 88 for the limiting clamping platform 622 to pass through is formed on the lower horizontal slide rail, and a limiting block 89 for limiting the lower horizontal slide rail is arranged on the limiting clamping platform 622. Before being fixed, the whole sealing mechanism 8 can slide along the limiting clamping platform 622 to adjust the position of the sealing mechanism 8 and improve its applicability.

[0029] As a preferred embodiment, the base 2 includes four support feet 21. The bottoms of the four support feet 21 are connected in pairs by four cross bars, and the four cross bars form a rectangular frame 22. A cross frame 23 is arranged at the tops of the four support feet 21, and the vertices of the four support feet 21 are respectively located at the four corners of the cross frame 23. The cross frame 23 is used to carry the water storage tank 5.

[0030] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirits of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A fuel tank leak tester, characterized in that: The machine frame (1) comprises a base (2) and a protective cover (3), the protective cover (3) being mounted on the base (2), a water storage tank (5) being arranged inside the protective cover (3) and located on the base (2), and an oil tank fixing table (6) being arranged inside the water storage tank (5); The base (2) is provided with a lifting mechanism (7) for controlling the oil tank fixing table (6) to be immersed in the water tank (5) or lifted from the water tank (5); The oil tank fixing table (6) is provided with a sealing mechanism (8) for sealing the oil tank opening; The protective cover (3) is provided with a control panel (4) for controlling the operating status of the lifting mechanism (7) and the sealing mechanism (8).

2. The fuel tank leak tester according to claim 1, characterized in that: Two lifting mechanisms (7) are symmetrically arranged with respect to the oil tank fixed table (6). The lifting mechanisms (7) include an L-shaped bracket (71), the L-shaped bracket (71) being arranged on the base (2) in the shape of a "7", a lifting cylinder (72) being arranged on the crossbeam of the L-shaped bracket (71), and a hydraulic rod of the lifting cylinder (72) passing through the crossbeam is connected to a support plate (73), and two guide rods (74) are symmetrically arranged on the crossbeam with respect to the lifting cylinder (72), and output ends of the guide rods (74) also pass through the crossbeam and are connected to the support plate (73), and the support plate (73) is connected to the oil tank fixed table (6).

3. The fuel tank leak tester according to claim 2, characterized in that: Two connecting columns (75) are symmetrically arranged at both ends of the bottom surface of the support plate (73), and the connecting columns (75) are movably connected to the oil tank fixing tabletop (6) via buckles (76), and the buckles (76) are symmetrically arranged on the oil tank fixing tabletop (6).

4. The fuel tank leak tester according to claim 1, characterized in that: An outer support platform (61) and an inner support platform (62) for supporting and fixing the oil tank to be tested are arranged on the oil tank fixing table surface (6).

5. The fuel tank leak tester according to claim 4, characterized in that: The outer support platform (61) comprises a tray member (611) and a fixed tripod (612), two tray members (611) are vertically and symmetrically arranged inwardly, and a fixed tripod (612) for fixing the tray member (611) is arranged on the back of the tray member (611).

6. The fuel tank leak tester according to claim 4, characterized in that: The inner support platform (62) is located inside the outer support platform (61), and the inner support platform (62) comprises two symmetrically arranged bosses (621), and the bosses (621) are arranged parallel to the tray member (611), and two position limiting clamping platforms (622) are arranged perpendicularly to the two bosses (621), and a plurality of clamping grooves (624) are arranged on opposite surfaces of the two position limiting clamping platforms (622) and at both ends thereof, and clamping plates (625) adapted thereto are arranged in the symmetrical clamping grooves (624) of the two position limiting clamping platforms (622).

7. The fuel tank leak tester according to claim 4, characterized in that: A pad (623) for supporting the position limiting clamping platform (622) is provided on the oil tank fixed table (6) and below the position limiting clamping platform (622).

8. The fuel tank leak tester according to claim 1, characterized in that: The sealing mechanism (8) includes a U-shaped slide rail (81), which is divided into an upper horizontal slide rail, a vertical slide rail, and a lower horizontal slide rail. A first slider (82) adapted to slide up and down along the vertical slide rail is arranged in the vertical slide rail. A first air cylinder (83) is installed on the first slider (82), and a piston rod of the first air cylinder (83) is connected with a first sealing ring (84) for sealing the fuel tank opening. A second slider (85) adapted to the upper horizontal slide rail is arranged in the upper horizontal slide rail, and a second air cylinder (86) is arranged on the second slider (85). A piston rod of the second air cylinder (86) is connected with a second sealing ring (87).

9. The fuel tank leak tester according to claim 8, characterized in that: A chute (88) for the limit clamping platform (622) to pass through is formed in the lower horizontal slide rail, and a limit block (89) for limiting the lower horizontal slide rail is arranged on the limit clamping platform (622).

10. The fuel tank leak tester according to claim 1, characterized in that: The base (2) includes four feet (21). The bottoms of the four feet (21) are connected in pairs by four cross bars, and the four cross bars form a rectangular frame (22). The tops of the four feet (21) are provided with a cross-shaped frame (23), and the vertices of the four feet (21) are respectively located at the four corners of the cross-shaped frame (23). The cross-shaped frame (23) is used for carrying the water storage tank (5).

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