A sampling docking device for ultra-high voltage oil-filled equipment

Abstract

The utility model relates to the technical field of ultra-high voltage oil and gas equipment detection, and discloses an ultra-high voltage oil filling equipment sampling docking device, including a mechanical vehicle, a four-axis linkage mechanism is provided at the upper end of the frame of the mechanical vehicle, and a docking mechanism is provided at the top of the arm of the four-axis linkage mechanism, a sampling head is provided at one end of the pipe of the sampling tube, and the sampling tube is connected to the sampling hose through a rotating joint. The utility model replaces the traditional manual method of extracting transformer oil, and uses the mechanical vehicle as a brake cart, and under the multi-axis drive of the four-axis linkage mechanism, the sampling head is horizontally opposite to the transformer oil pipe mouth in a multi-directional and multi-angle mechanical displacement mode, and then under the rotation and propulsion of the sampling head by the docking mechanism, the sampling head is screwed and connected to the transformer oil pipe mouth, and the transformer internal oil is sampled and extracted, which reduces the operation risk performance and is easy to operate and use.

Description

Technical Field

[0001] The utility model relates to the technical field of ultra-high voltage oil and gas equipment detection, in particular to an ultra-high voltage oil-filled equipment sampling docking device. Background Art

[0002] Predicting internal faults of oil-filled equipment such as operating transformers is extremely important for safe power generation and prevention of accidents. Among them, gas chromatography analysis of dissolved gases in oil is the most sensitive and effective method for diagnosing faults of oil-filled electrical equipment such as transformers. It is an indispensable tool in daily insulation supervision. The analysis of dissolved gases in transformer oil is mainly divided into two parts: sampling and analysis. The main sampling method currently used is manual oil extraction. However, the existing manual oil extraction method has strict professional requirements and is difficult to train personnel, resulting in a large demand for human resources and a high risk factor for operation. To this end, a technician in this field provides a sampling docking device for ultra-high voltage oil-filled equipment to solve the problems raised in the above background technology. Utility Model Content

[0003] The main purpose of the utility model is to provide a sampling docking device for ultra-high voltage oil filling equipment, which can effectively solve the problems of high risk and inconvenience in manual oil extraction of existing transformers in the background technology.

[0004] To achieve the above purpose, the technical solution adopted by the utility model is: a sampling docking device for ultra-high voltage oil filling equipment, comprising a mechanical vehicle, a four-axis linkage mechanism is arranged on the upper end of the frame of the mechanical vehicle, and a docking mechanism is arranged on the top of the arm of the four-axis linkage mechanism;

[0005] The four-axis linkage mechanism comprises a rotating shaft seat, a first swing arm, a second swing arm, and a third swing arm, and the rotating shaft seat, the first swing arm, the second swing arm, and the third swing arm are rotatably connected to each other;

[0006] The docking mechanism includes a support plate seat, a docking transmission motor is installed on one side of the support plate seat, and a first rotating shaft is installed on the other side of the support plate seat, and the support plate seat and the first rotating shaft are connected by a transmission belt transmission, an electric push rod is installed on the bottom of the support plate seat along the central axis direction of the first rotating shaft, a propulsion plate seat is provided at the telescopic end of the electric push rod, and a second rotating shaft horizontally opposite to the first rotating shaft is installed on the upper end of the support of the propulsion plate seat, an arm force transmission rod is installed through the inside of the rotating shafts of the first rotating shaft and the second rotating shaft, and a sampling tube is installed through the inside of the arm rod of the arm force transmission rod.

[0007] As a further solution of the utility model: a rotating motor fixedly connected to a rotating shaft seat is arranged at the upper end of the frame of the mechanical vehicle, a first swinging motor fixedly connected to a first swing arm is installed at the upper end of the support of the rotating shaft seat, a second swinging motor fixedly connected to a second swing arm is installed at the top end of the arm rod of the first swing arm, and a third swinging motor fixedly connected to a third swing arm is installed at the bottom end of the arm rod of the second swing arm.

[0008] As a further solution of the utility model: the first rotating shaft is slidably connected to the arm force transmission rod, the second rotating shaft is fixedly connected to the arm force transmission rod, and the arm force transmission rod is a square tube structure.

[0009] As a further solution of the utility model: a pulley B is provided at the output end of the docking transmission motor, a pulley A is provided at one end of the shaft seat of the first rotating shaft, and the pulley A and the pulley B are connected by a transmission belt.

[0010] As a further solution of the utility model: a camera probe is arranged on the top of the support of the propulsion plate seat.

[0011] As a further solution of the utility model: a sampling head is provided at one end of the sampling tube, and a rotating joint is provided at the other end of the sampling tube, and the sampling tube is connected to the sampling hose via the rotating joint.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] The utility model replaces the traditional manual method of extracting transformer oil. By utilizing a mechanical vehicle as a brake trolley and under the multi-axis drive of a four-axis linkage mechanism, the sampling head is horizontally relative to the transformer oil pipe opening in a multi-directional and multi-angle mechanical displacement manner, and then the sampling head is screwed and connected to the transformer oil pipe opening under the rotation and propulsion of the sampling head by the docking mechanism, so as to sample and extract the oil inside the transformer. The utility model has good mechanical sampling docking performance, reduces the operation risk performance, is easy to operate and use, greatly saves labor cost training, and has better flexible adaptation performance. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a structural schematic diagram of a sampling docking device for ultra-high voltage oil-filled equipment of the utility model;

[0015] Figure 2 It is a structural schematic diagram of a four-axis linkage mechanism in a sampling docking device for ultra-high voltage oil-filled equipment of the utility model;

[0016] Figure 3 The utility model is a structural schematic diagram of a docking mechanism in a sampling docking device for ultra-high voltage oil-filled equipment.

[0017] In the figure: 1. Mechanical vehicle; 2. Rotating shaft seat; 3. First swing arm; 4. Second swing arm; 5. Third swing arm; 6. Support plate seat; 7. Sampling hose; 8. Rotating motor; 9. First swing motor; 10. Second swing motor; 11. Third swing motor; 12. First rotating shaft; 13. Pulley A; 14. Transmission belt; 15. Pulley B; 16. Docking transmission motor; 17. Electric push rod; 18. Push plate seat; 19. Second rotating shaft; 20. Arm force transmission rod; 21. Sampling tube; 22. Sampling head; 23. Rotating joint; 24. Camera probe. DETAILED DESCRIPTION

[0018] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0019] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention 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 operate in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0020] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" 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 an indirect connection 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 the present invention can be understood according to specific circumstances.

[0021] Please refer to Figure 1-3As shown, a sampling docking device for ultra-high voltage oil filling equipment includes a mechanical vehicle 1, a four-axis linkage mechanism is arranged on the upper end of the frame of the mechanical vehicle 1, and the four-axis linkage mechanism includes a rotating shaft seat 2, a first swing arm 3, a second swing arm 4, and a third swing arm 5, and the rotating shaft seat 2, the first swing arm 3, the second swing arm 4, and the third swing arm 5 are rotatably connected to each other, a rotating motor 8 fixedly connected to the rotating shaft seat 2 is arranged on the upper end of the frame of the mechanical vehicle 1, a first swing motor 9 fixedly connected to the first swing arm 3 is installed on the upper end of the support of the rotating shaft seat 2, and a swing motor 9 fixedly connected to the second swing arm 3 is installed on the top of the arm rod of the first swing arm 3. 4, and the bottom end of the arm of the second swing arm 4 is equipped with a third swing motor 11 fixedly connected to the third swing arm 5. By controlling the rotating motor 8 to work, the rotating shaft seat 2 is driven to rotate, and the sampling head 22 is adjusted and calibrated in the horizontal direction. Synchronously, the first swing motor 9 is controlled to drive the first swing arm 3 to rotate, the second swing motor 10 is driven to rotate the second swing arm 4 to rotate, and the third swing motor 11 is driven to rotate the third swing arm 5 to rotate, so that the sampling head 22 is adjusted and calibrated in multiple angles and directions, so that the sampling head 22 is horizontally close to the oil pipe opening of the transformer.

[0022] A docking mechanism is provided at the top end of the arm of the four-axis linkage mechanism, and the docking mechanism includes a support plate seat 6, a docking transmission motor 16 is installed on one side of the support plate seat 6, and a first rotating shaft 12 is installed on the other side of the support plate seat 6, and the support plate seat 6 and the first rotating shaft 12 are connected by a transmission belt 14, and a pulley B15 is provided at the output end of the docking transmission motor 16, and a pulley A13 is provided at one end of the shaft seat of the first rotating shaft 12, and the pulley A13 and the pulley B15 are connected by a transmission belt 14. By controlling the docking transmission motor 16 to work, the pulley B15 is driven to rotate, and under the transit transmission of the transmission belt 14, the pulley A13 is driven to rotate, and then the first rotating shaft 12 is driven to rotate, so that the arm force transmission rod 20 is displaced forward while maintaining the rotation transmission, and the sampling head 22 is connected to the oil pipe outlet of the transformer in a spirally screwed manner.

[0023] An electric push rod 17 is installed at the bottom of the support plate seat 6 along the central axis direction of the first rotating shaft 12, and a push plate seat 18 is provided at the telescopic end of the electric push rod 17, and a second rotating shaft 19 horizontally opposite to the first rotating shaft 12 is installed on the upper end of the support of the push plate seat 18. An arm force transmission rod 20 is installed through the rotating shafts of the first rotating shaft 12 and the second rotating shaft 19, and a sampling tube 21 is installed through the arm of the arm force transmission rod 20. The first rotating shaft 12 is slidably connected to the arm force transmission rod 20, and the second rotating shaft 19 is fixedly connected to the arm force transmission rod 20, and the arm force transmission rod 20 is a square tube structure. By controlling the telescopic end of the electric push rod 17 to extend, the push plate seat 18 is pushed forward, and the second rotating shaft 19 and the arm force transmission rod 20 are fixedly connected to each other, and the arm force transmission rod 20 is a square tube structure. By controlling the extension of the telescopic end of the electric push rod 17, the push plate seat 18 is pushed forward, and the second rotating shaft 19 and the arm force transmission rod 20 are fixedly fixed to push the arm force transmission rod 20 to move forward, and at the same time, the arm force transmission rod 20 slides forward along the first rotating shaft 12, so that the sampling head 22 is pressed into the oil pipe opening of the transformer.

[0024] A camera probe 24 is provided at the top of the support of the propulsion plate seat 18. By providing the camera probe 24 on the propulsion plate seat 18, the docking state between the sampling head 22 and the transformer oil line pipe opening can be dynamically monitored in real time, so as to facilitate the high-altitude oil line docking work.

[0025] A sampling head 22 is provided at one end of the sampling tube 21, and a rotating joint 23 is provided at the other end of the sampling tube 21. The sampling tube 21 is connected to the sampling hose 7 through the rotating joint 23. After the sampling head 22 is docked with the oil pipe opening of the transformer, the conductive combination of the sampling tube 21 and the sampling hose 7 can be used to extract the oil inside the transformer and sample the oil.

[0026] The working principle of the utility model is as follows: when sampling and extracting the oil inside the transformer for testing, the sampling docking device is moved close to the transformer by utilizing the braking displacement of the mechanical vehicle 1, and then the rotating motor 8 is controlled to drive the rotating shaft seat 2 to rotate horizontally, and the first swing motor 9 is controlled to drive the first swing arm 3 to rotate, the second swing motor 10 is controlled to drive the second swing arm 4 to rotate, and the third swing motor 11 is controlled to drive the third swing arm 5 to rotate, so as to adjust and calibrate the sampling head 22 at multiple angles and in multiple directions, so that the sampling head 22 is horizontally close to the oil pipe opening of the transformer, and further, after the sampling head 22 is horizontally relative to the oil pipe opening of the transformer, the telescopic end of the electric push rod 17 is controlled to extend to push the propulsion plate seat 18 forward, and the second rotating shaft 19 and the arm force transmission rod 20 are fixed integrally to push the push plate seat 18 forward. The arm force transmission rod 20 moves forward, so that the sampling head 22 is pressed into the oil pipe opening of the transformer, and the synchronous control docking transmission motor 16 works, driving the pulley B15 to rotate, and under the transit transmission of the transmission belt 14, driving the pulley A13 to rotate, and then driving the first rotating shaft 12 to rotate, so that the arm force transmission rod 20 moves forward while maintaining the rotation transmission, and the sampling head 22 is sealed and connected to the oil pipe opening of the transformer by means of spiral propulsion and screwing, and then after the sampling head 22 is docked with the oil pipe opening of the transformer, the conductive combination of the sampling tube 21 and the sampling hose 7 is used to extract the oil inside the transformer through the sampling head 22, and the oil is sampled and extracted, which replaces the traditional manual extraction method, and is flexible, convenient and efficient to operate, while safety is fully guaranteed.

[0027] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A sampling docking device for ultra-high voltage oil-filled equipment, characterized in that: It comprises a mechanical vehicle (1), wherein a four-axis linkage mechanism is arranged at the upper end of a vehicle frame of the mechanical vehicle (1), and a docking mechanism is arranged at the top end of an arm of the four-axis linkage mechanism; The four-axis linkage mechanism comprises a rotating shaft seat (2), a first swing arm (3), a second swing arm (4), and a third swing arm (5), and the rotating shaft seat (2), the first swing arm (3), the second swing arm (4), and the third swing arm (5) are rotatably connected to each other; The docking mechanism comprises a support plate seat (6), a docking transmission motor (16) is installed on one side of the support plate seat (6), and a first rotating shaft (12) is installed on the other side of the support plate seat (6), and the support plate seat (6) and the first rotating shaft (12) are connected by a transmission belt (14), an electric push rod (17) is installed at the bottom of the support plate seat (6) along the central axis direction of the first rotating shaft (12), a push plate seat (18) is arranged at the telescopic end of the electric push rod (17), and a second rotating shaft (19) horizontally opposite to the first rotating shaft (12) is installed at the upper end of the support of the push plate seat (18), an arm force transmission rod (20) is installed through the rotating shafts of the first rotating shaft (12) and the second rotating shaft (19), and a sampling tube (21) is installed through the arm of the arm force transmission rod (20).

2. The sampling docking device for ultra-high voltage oil-filled equipment according to claim 1 is characterized in that: The upper end of the frame of the mechanical vehicle (1) is provided with a rotating motor (8) fixedly connected to a rotating shaft seat (2); the upper end of the support of the rotating shaft seat (2) is provided with a first swinging motor (9) fixedly connected to a first swing arm (3); the top end of the arm of the first swing arm (3) is provided with a second swinging motor (10) fixedly connected to a second swing arm (4); the bottom end of the arm of the second swing arm (4) is provided with a third swinging motor (11) fixedly connected to a third swing arm (5).

3. The sampling docking device for ultra-high voltage oil-filled equipment according to claim 1, characterized in that: The first rotating shaft (12) is slidably connected to the arm force transmission rod (20), the second rotating shaft (19) is fixedly connected to the arm force transmission rod (20), and the arm force transmission rod (20) is a square tube structure.

4. The sampling docking device for ultra-high voltage oil-filled equipment according to claim 1, characterized in that: A pulley B (15) is provided at the output end of the docking transmission motor (16), a pulley A (13) is provided at one end of the shaft seat of the first rotating shaft (12), and the pulley A (13) and the pulley B (15) are connected to each other through a transmission belt (14).

5. The sampling docking device for ultra-high voltage oil-filled equipment according to claim 1, characterized in that: A camera probe (24) is arranged at the top end of the support of the propulsion plate seat (18).

6. The sampling docking device for ultra-high voltage oil-filled equipment according to claim 1, characterized in that: A sampling head (22) is provided at one end of the sampling tube (21), and a rotating joint (23) is provided at the other end of the sampling tube (21). The sampling tube (21) is connected to the sampling hose (7) via the rotating joint (23).

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