A support leg, a rotating device and a supporting device for oil tank cleaning equipment

Abstract

The present invention relates to the technical field of oil tank cleaning, and discloses a support leg, a rotating device and a supporting device for oil tank cleaning equipment, wherein the support leg comprises a base, a telescopic power device, a support rod, a universal wheel and a support foot; one end of the support rod is hinged to the base, the fixed end of the telescopic power device is hinged to the base, the telescopic end of the telescopic power device is hinged to the support rod, the support foot and the universal wheel are respectively mounted on the support rod, the support foot and the telescopic end of the telescopic power device are arranged opposite to each other on the support rod, the universal wheel is between the support foot and the telescopic end of the telescopic power device, the rotating device comprises two support legs, and the supporting device comprises two rotating devices, when in use, the angle between the two support legs is adjusted by the telescopic power device to meet the cleaning stability requirements under different situations, and in addition, when performing fixed-point cleaning, the support rod is firstly driven to stand up by the rotating power device, and then the support rod is pushed outward by the telescopic power device to make the support foot grounded, thereby ensuring the stability during fixed-point cleaning.

Description

Technical Field

[0001] The invention relates to the technical field of oil tank cleaning, and in particular to a support leg, a rotating device and a supporting device for oil tank cleaning equipment. Background Art

[0002] In the field of oil extraction, oil tanks are often used to store the extracted oil. A processing pipeline is set in the oil tank, through which chemicals are introduced into the oil tank for preliminary treatment of the oil and some impurities in the oil are separated. Therefore, impurities will be deposited on the inner wall of the oil tank, and the inner wall of the oil tank needs to be cleaned at regular intervals.

[0003] At present, there are two main ways to clean oil tanks: manual cleaning and robot cleaning. In manual cleaning, the cleaning staff must first enter the oil tank through a standard entry hole (600mm in diameter) on the oil tank, and then perform cleaning at high altitude, which is dangerous. In addition, the chemicals introduced into the oil tank contain carcinogens, which will affect the health of the cleaning staff. In addition, manual cleaning may result in incomplete cleaning.

[0004] When using robots for cleaning, in order to avoid opening a larger hole in the oil tank, the size of the robot entering the oil tank must not be too large and must be able to enter the oil tank from a standard entrance hole. Therefore, most tracked robots are used to enter the oil tank from a standard entrance. However, due to the lack of a support device, the tracked robot can only clean the bottom of the oil tank, and will be unstable when cleaning the side walls of the oil tank. If legs are added to the tracked robot to maintain the stability of the tracked robot when cleaning the side walls, the size of the tracked robot will increase and it will not be able to enter the oil tank from the standard entrance hole. A larger hole must be opened in the oil tank. In addition, the existing legs can only play a supporting role and cannot move, and the processing pipeline installed in the oil tank will hinder the movement of the tracked robot, resulting in poor cleaning effect of the tracked robot with added legs. Summary of the invention

[0005] In view of the shortcomings of the background technology, the present invention provides a support leg, a rotating device and a supporting device for oil tank cleaning equipment to solve the problems existing in the background technology.

[0006] To solve the above technical problems, in the first aspect, the present invention provides a support leg for oil tank cleaning equipment, comprising a base, a telescopic power device, a support rod, a universal wheel and a support leg; one end of the support rod is hinged to the base, the fixed end of the telescopic power device is hinged to the base, the telescopic end of the telescopic power device is hinged to the support rod, and is configured to drive the support member to rotate, the support leg and the universal wheel are respectively installed on the support rod, the support leg and the telescopic end of the telescopic power device are arranged opposite to each other on the support rod, and the universal wheel is between the support leg and the telescopic end of the telescopic power device.

[0007] As a further technical solution, the fixed end of the telescopic power device and one end of the support rod are spaced apart on the base, and the fixed end of the telescopic power device is located higher than the position of one end of the support rod on the base.

[0008] As a further technical solution, the base is concave in shape, and a first pin and a second pin are installed on both side walls of the base. The first pin passes through the fixed end of the telescopic power device, and the second pin passes through one end of the support rod.

[0009] As a further technical solution, a connecting sleeve is installed on the bottom surface of the base.

[0010] In a second aspect, the present invention provides a rotating device for oil tank cleaning equipment, comprising two legs of the above-mentioned oil tank cleaning equipment, wherein the base on one leg is connected to the base on the other leg via a rotating shaft, and the rotating shaft is equipped with an articulated seat.

[0011] In the third aspect, the present invention provides a supporting device for oil tank cleaning equipment, comprising two of the above-mentioned rotating devices for oil tank cleaning equipment, a supporting frame and two rotating power devices, the two rotating devices are respectively mounted at both ends of the supporting frame, the two rotating power devices are mounted on the supporting frame, the movable end of a rotating power device is hinged to a hinged seat of a rotating device, and is configured to drive the base to rotate on the supporting frame.

[0012] Compared with the prior art, the beneficial effect of the present invention is as follows: on the support leg of the present invention, the support rod can be driven to rotate along the second pin shaft by the telescopic power device. Therefore, in the rotating device of the present invention, the angle between the two support legs can be adjusted by adjusting the telescopic distance of the telescopic ends of the two telescopic power devices. In the support device of the present invention, when the rotating power device drives the base to rotate until the universal wheel contacts the bottom surface, the support device can be used to move. At this time, since the support rod is in a flat state, the support rod can enter the oil tank from the standard entry hole on the oil tank. Inside the oil tank, the angle between the two support legs can be adjusted by the telescopic power device to meet the cleaning stability requirements in different situations. In addition, when performing fixed-point cleaning, the support rod is first driven to stand up by the rotating power device, and then the support rod is pushed outward by the telescopic power device to make the support leg grounded, thereby ensuring stability during fixed-point cleaning. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 is a schematic structural diagram of a support leg of the present invention in an embodiment;

[0014] Figure 2 is a schematic structural diagram of a rotating device of the present invention in an embodiment;

[0015] Figure 3 It is a schematic diagram of the structure of the rotating device of the present invention in the embodiment;

[0016] Figure 4 It is a top view of the legs of the rotating device in the embodiment standing up;

[0017] Figure 5 is a schematic diagram of a first application of the rotating device in the embodiment;

[0018] Figure 6 is a schematic diagram of a second application of the rotating device in the embodiment;

[0019] Figure 7 is a schematic diagram of a third application of the rotating device in the embodiment;

[0020] Figure 8 It is a schematic diagram of deploying a ladder at a standard entry hole of an oil tank in an embodiment.

[0021] In the figure: 1. base, 2. support rod, 3. telescopic power device, 4. universal wheel, 5. support foot, 6. first pin shaft, 7. second pin shaft, 8. connecting sleeve, 9. articulated seat, 10. rotating shaft, 11. support frame, 12. rotating power device. DETAILED DESCRIPTION

[0022] The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic diagrams, which only illustrate the basic structure of the present invention in a schematic manner, and therefore only show the components related to the present invention.

[0023] like Figure 1 As shown, a support leg for oil tank cleaning equipment includes a base 1, a telescopic power device 3, a support rod 2, a universal wheel 4 and a support leg 5; one end of the support rod 2 is hinged to the base 1, the fixed end of the telescopic power device 3 is hinged to the base 1, the telescopic end of the telescopic power device 3 is hinged to the support rod 2, and is configured to drive the support member 2 to rotate, the support leg 5 and the universal wheel 4 are respectively installed on the support rod 2, the support leg 5 and the telescopic end of the telescopic power device 3 are arranged opposite to each other on the support rod 2, and the universal wheel 4 is between the support leg 5 and the telescopic end of the telescopic power device 3.

[0024] exist Figure 1 In the embodiment, the fixed end of the telescopic power device 3 and one end of the support rod 2 are spaced apart on the base 1, the fixed end of the telescopic power device 3 is located higher than the one end of the support rod 2 on the base 1, and the telescopic end of the telescopic power device 3 is hinged to the other end of the support rod 2. In a certain embodiment, the telescopic end of the telescopic device 3 can be hinged to the middle position of the support rod 2.

[0025] exist Figure 1 In the figure, the base 1 is concave in shape, and a first pin 6 and a second pin 7 are installed on both side walls of the base 1 . The first pin 6 passes through the fixed end of the telescopic power device 3 , and the second pin 7 passes through one end of the support rod 2 .

[0026] exist Figure 1 In the embodiment, a connecting sleeve 8 is installed on the bottom surface of the base 1.

[0027] In actual use, the telescopic power device 3 uses a cylinder but is not limited to a cylinder. Any device that can drive the support rod 2 to rotate can be understood as the telescopic power device 3 of the present invention.

[0028] like Figure 2 As shown, a rotating device for oil tank cleaning equipment includes two legs of the above-mentioned oil tank cleaning equipment, a base 1 on one leg is connected to a base 20 on another leg through a rotating shaft 10, and the rotating shaft 10 is installed with an articulated seat 9.

[0029] Specifically, both ends of the rotating shaft 10 are key-connected to the connecting sleeves 8 on the two bases 1 .

[0030] In actual use, the power device can be hinged to the articulated seat, and the power device can drive the rotating shaft 10 to rotate, thereby driving the base 1 to rotate, and adjusting the spatial position of the legs in turn. When the rotating shaft 10 rotates one circle, the base 1 also rotates one circle, so the legs in the rotating device can rotate 360 ​​degrees.

[0031] like Figure 3As shown, a supporting device for oil tank cleaning equipment includes two rotating devices for oil tank cleaning equipment, a supporting frame 11 and two rotating power devices 12, the two rotating devices are respectively installed at both ends of the supporting frame 11, the two rotating power devices 12 are installed on the supporting frame 11, and the movable end of a rotating power device 12 is hinged to a hinge seat 9 of a rotating device, and is configured to drive the base 1 to rotate on the supporting frame 11.

[0032] In actual use, the rotary power device 12 uses a cylinder but is not limited to a cylinder. Any device that can drive the rotating shaft 10 to rotate can be understood as the rotary power device 12 of the present invention.

[0033] In actual use, the base 1 can be driven to rotate on the support frame 11 by the rotating power device 12, so the legs can be erected or laid flat, and are not limited to these two states. The top view of the support device with the legs erected is shown in FIG. Figure 4 When the legs are erected, the volume of the supporting device can be reduced, which facilitates the movement of the supporting device in the oil tank and avoids the narrow space in the oil tank limiting the movement of the supporting device or the robot using the supporting device in the oil tank.

[0034] Reference Figure 5 , Figure 5 In the present invention, the support device is installed on a crawler robot. When the crawler robot cleans the side wall at a fixed point inside the oil tank, the support legs are erected by the rotating power device 12, and then the support rods 2 are pushed outward by the telescopic power device 3 until the support legs 5 contact the bottom of the oil tank, thereby ensuring the stability of the crawler robot during fixed-point cleaning and preventing the crawler robot from shaking due to the recoil force generated by the cleaning nozzle.

[0035] Reference Figure 6 , Figure 6 In the embodiment, the support device of the present invention is installed on the crawler robot, and the legs are laid flat by rotating the power device 12, so that the universal wheel 4 is grounded. In this way, the crawler robot can enter the oil tank from the standard entrance hole on the oil tank. On the one hand, the stability of the crawler robot cleaning inside the oil tank is ensured without increasing the size of the crawler robot. On the other hand, there is no need to open a larger hole on the oil tank to allow the crawler robot to enter the oil tank. It should be noted that the telescopic power device 3 does not push the support rod 2 outward at this time. In addition, Figure 8In the invention, since the distance between the standard entrance hole of the oil tank and the ground is between 500mm and 1000mm, the existing crawler robot needs to use the guide ladder 13 to enter the oil tank from the standard entrance hole. The distance between the two ends of the guide ladder 13 and the ground is 80mm. In actual use, the crawler robot equipped with the support device of the present invention rotates the two legs at the front end to the outer slope surface of the tank of the guide ladder 13, thereby supporting the crawler robot, so that the crawler robot can smoothly drive into the slope of the guide ladder 13 and reach the horizontal part of the guide ladder 13; when the crawler robot reaches the slope inside the tank of the guide ladder 13, the two legs at the front end are rotated to the bottom surface of the oil tank for support, so that the crawler robot can smoothly reach the inside of the oil tank, which is convenient for the crawler robot to enter. Therefore, the legs of the present invention can help the crawler robot to cross obstacles. When the crawler robot enters the oil tank and does not reach the cleaning operation point, the rotating power device 12 can be used to stand up the legs to prevent the legs from affecting the movement of the crawler robot.

[0036] Reference Figure 7 , Figure 7 In the embodiment, the support device of the present invention is installed on the crawler robot. After the legs are laid flat by the rotating power device 12, the support rod 2 is pushed outward by the telescopic power device 3 to adjust the angle between the two legs of the same rotating device. This state is used to ensure the stability of the crawler robot during mobile cleaning. The angle between the two legs of the same rotating device is adjusted according to actual needs to meet the corresponding stability requirements. In addition, since there may be obstacles such as lead blocks on the bottom of the oil tank, when the crawler robot of the present invention is installed to move and clean inside the oil tank, the angle between the two legs is adjusted by the telescopic power device 3, so that the crawler robot can avoid obstacles inside the oil tank when it is moving and cleaning inside the oil tank.

[0037] In summary, on the support leg of the present invention, the telescopic power device 3 can drive the support rod 2 to rotate along the second pin shaft 7. Therefore, in the rotating device of the present invention, the angle between the two support legs can be adjusted by adjusting the telescopic distance of the telescopic ends of the two telescopic power devices 3. In the support device of the present invention, when the rotating power device 12 drives the base 1 to rotate until the universal wheel 4 contacts the bottom surface of the oil tank, the support device can be used to move. At this time, since the support rod 2 is in a flat state, the support rod 2 can enter the oil tank from the standard entry hole on the oil tank. Inside the oil tank, the angle between the two supports is adjusted by the telescopic power device 3 to meet the cleaning stability requirements under different circumstances. In addition, when performing fixed-point cleaning, the support rod 2 is first driven to stand up by the rotating power device 12, and then the support rod 2 is pushed outward by the telescopic power device 3 to make the support leg 5 grounded, thereby ensuring stability during fixed-point cleaning.

[0038] The above is based on the present invention as an inspiration. Through the above description, relevant staff can make various changes and modifications without departing from the technical idea of ​​this invention. The technical scope of this invention is not limited to the content in the specification, and its technical scope must be determined according to the scope of the claims.

Claims

1. A support device for oil tank cleaning equipment, It is characterized in that It comprises two rotating devices, a support frame and two rotating power devices, the rotating device comprises two legs, the legs comprise a base, a telescopic power device, a support rod, a universal wheel and a support foot; one end of the support rod is hinged to the base, the fixed end of the telescopic power device is hinged to the base, the telescopic end of the telescopic power device is hinged to the support rod and is configured to drive the support rod to rotate, the support foot and the universal wheel are respectively mounted on the support rod, the support foot and the telescopic end of the telescopic power device are arranged opposite to each other on the support rod, and the universal wheel is between the support foot and the telescopic end of the telescopic power device; The base on one leg is connected to the base on the other leg via a rotating shaft, and the rotating shaft is equipped with an articulated seat; The two rotating devices are respectively installed at two ends of the support frame, the two rotating power devices are installed on the support frame, and the movable end of a rotating power device is hinged to the hinge seat of a rotating device, and is configured to drive the base to rotate on the support frame; The rotating power device is an oil cylinder.

2. A supporting device for oil tank cleaning equipment according to claim 1, It is characterized in that The fixed end of the telescopic power device and one end of the support rod are spaced apart on the base, and the position of the fixed end of the telescopic power device on the base is higher than the position of one end of the support rod on the base.

3. A supporting device for oil tank cleaning equipment according to claim 2, It is characterized in that The base is concave in shape, and a first pin shaft and a second pin shaft are installed on both side walls of the base. The first pin shaft passes through the fixed end of the telescopic power device, and the second pin shaft passes through one end of the support rod.

4. A supporting device for oil tank cleaning equipment according to claim 3, It is characterized in that A connecting sleeve is installed on the bottom surface of the base.

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