Auxiliary device for detecting metal foreign matters on insulating cardboard of transformer

Abstract

The utility model discloses an auxiliary device for transformer insulating cardboard metal foreign matter detection, which comprises a detection table and a supporting plate, the supporting plate is arranged on one side of the top of the detection table, a motor is arranged on the reverse side of the supporting plate, and the output end of the motor penetrates through the supporting plate and is fixedly connected with a rotating plate. A protective cover is fixedly connected to the other side of the rotating plate through bolts, a second lead screw is arranged in the protective cover, a smooth shaft is arranged in the middle of the second lead screw, second transmission blocks are arranged at the two ends of the second lead screw, and second clamping plates are arranged at the bottoms of the sides, away from the rotating plate, of the second transmission blocks; a supporting plate is arranged at the top of the side, away from the rotating plate, of the second transmission block. According to the utility model, insulating paperboards with different sizes can be fixed through the sliding clamping device, meanwhile, the magnitude of downward pressure can be sensed through the micro pressure sensor, the insulating paperboards are prevented from being damaged, direct contact with X-rays is not needed, and harm to human bodies caused by long-term contact with the X-rays is prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of metal foreign body detection of insulating paperboard, in particular to an auxiliary device for detecting metal foreign body of transformer insulating paperboard. Background Art

[0002] Insulating cardboard is used for internal insulation of transformers to prevent discharge inside the transformer. Insulating cardboard has good moisture-proof and dust-proof properties, and can well protect the internal components of the transformer from the influence of environmental factors such as moisture and dust, ensuring the normal operation of the transformer and extending its service life. However, before the insulating cardboard is put into use, it is necessary to detect metal foreign matter on the surface of the insulating cardboard to prevent metal foreign matter from affecting its use effect.

[0003] As disclosed in application number 201920062787.2, an auxiliary device for detecting metal foreign bodies in transformer insulating paperboard comprises a bottom shell, the bottom of which is fixedly mounted on a bottom plate by a support frame, and is characterized in that a long straight fixed block is arranged at the center of the bottom inner wall of the bottom shell, and insulating paperboard is clamped between the inner walls on both sides of the bottom shell by a clamping portion, so that the clamping portion ensures that the insulating paperboard is placed horizontally and improves the accuracy of detection; the clamping portion is composed of a rotating shaft, a rotating disk, a fixed clamping plate and a movable clamping plate, and rotating shafts are fixedly mounted on the inner walls on both sides of the bottom shell by bearings respectively, and a rotating disk is connected to the end of the rotating shaft away from the inner wall of the bottom shell by a bearing sleeve, and the rotating disk is far away from the inner wall of the bottom shell. A fixed clamp and a movable clamp are arranged on the disk away from the rotating shaft, and the insulating paperboard is located between the fixed clamp and the movable clamp, so that the rotating shaft, the rotating disk, the fixed clamp and the movable clamp cooperate with each other to drive the insulating paperboard to turn over, which is convenient for the insulating paperboard to turn over directly, greatly improving the efficiency of the device and enhancing its practicability; however, it still has some shortcomings in actual use, and it cannot clamp insulating paperboards of different sizes, and in the clamping process, if the insulating paperboard is subjected to excessive force, it may be damaged, thereby affecting the use of the insulating paperboard and causing certain losses, and in the insulating paperboard detection process, if the staff is directly exposed to X-rays for a long time, it may cause harm to their bodies. Utility Model Content

[0004] The utility model aims to provide an auxiliary device for detecting metal foreign bodies in transformer insulation paperboard, so as to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an auxiliary device for detecting metal foreign bodies in transformer insulating paperboard, comprising a detection platform and a support plate, a support plate is provided on one side of the top of the detection platform, and a motor is provided on the reverse side of the support plate, the output end of the motor passes through the support plate and is fixedly connected with a rotating plate, and a shield is fixedly connected with the other side of the rotating plate by bolts, a screw rod 2 is provided in the shield, and the middle of the screw rod 2 is provided with a smooth shaft, and two transmission blocks are provided at both ends of the screw rod 2, a clamping plate 2 is provided at the bottom of the transmission block 2 away from the rotating plate, and a support plate is provided at the top of the transmission block 2 away from the rotating plate.

[0006] Preferably, a telescopic rod 1 is provided on the top of each support plate, and the output end of each telescopic rod 1 passes through the support plate and is fixedly connected to a pressing block.

[0007] Preferably, micro pressure sensors are evenly arranged inside the lower pressing block, and a clamping plate 1 is provided at the bottom of the lower pressing block.

[0008] Preferably, a movable groove is provided on the top of the detection platform, and a screw rod is provided in the movable groove, and a transmission block is provided on the screw rod, and a handle is provided at the end of the screw rod away from the support plate, and one end of the handle passes through the movable groove and is connected to the screw rod.

[0009] Preferably, a moving platform is provided on the top of the transmission block 1, and a groove is provided in the middle position of the top of the moving platform, and a telescopic rod 2 is provided in the groove.

[0010] Preferably, the output end of the second telescopic rod is fixedly connected to a top plate, and the size of the top plate is consistent with the groove.

[0011] Preferably, an opening is provided below the support plate, and a detection device is provided on a detection platform on one side of the support plate.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows: the auxiliary device for detecting metal foreign bodies on the transformer insulating paperboard can move the transmission block 2 at both ends of the screw rod 2, so that the clamping plate 1 and the clamping plate 2 on the transmission block 2 can be moved to a suitable position, which is convenient for clamping and fixing insulating paperboards of different sizes, and then the telescopic rod 1 is started to drive the pressing block and the clamping block to move down, and the size of the downward pressure can be sensed by the micro pressure sensor inside the pressing block to prevent the insulating paperboard from being damaged due to excessive pressure. At the same time, the movable platform can also be driven to move forward and backward by the screw rod 1, which is convenient for the telescopic rod 2 to lift the insulating paperboard to the clamping position, and also prevents the staff from being directly exposed to X-rays and causing certain hazards. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the main cross-sectional structure of the utility model;

[0014] Figure 2 This is a schematic diagram of the top view structure of the detection platform of the utility model;

[0015] Figure 3 This is a schematic diagram of the top view structure of the support plate and the shield of the utility model;

[0016] Figure 4 For the utility model Figure 1 The enlarged structural diagram at A in the middle;

[0017] In the figure: 1. testing platform; 2. supporting plate; 3. shield; 4. telescopic rod 1; 5. rotating plate; 6. telescopic rod 2; 7. transmission block 1; 8. screw rod 1; 9. moving platform; 10. groove; 11. top plate; 12. moving groove; 13. handle; 14. clamping plate 1; 15. supporting plate; 16. screw rod 2; 17. transmission block 2; 18. pressing block; 19. micro pressure sensor; 20. clamping plate 2; 21. motor. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] See also Figure 1-4The utility model provides an embodiment: an auxiliary device for detecting metal foreign bodies in transformer insulating paperboard, comprising a detection platform 1 and a support plate 2, a support plate 2 is provided on one side of the top of the detection platform 1, and a motor 21 is provided on the reverse side of the support plate 2, the output end of the motor 21 passes through the support plate 2 and is fixedly connected with a rotating plate 5, and the other side of the rotating plate 5 is fixedly connected with a shield 3 by bolts, a screw rod 16 is provided in the shield 3, and the middle of the screw rod 16 is set as a smooth shaft, and both ends of the screw rod 16 are provided with a transmission block 2 17, a clamping plate 20 is provided at the bottom of the transmission block 17 away from the rotating plate 5, and a support plate 15 is provided at the top of the transmission block 17 away from the rotating plate 5, and a telescopic rod 4 is provided at the top of the support plate 15, and the telescopic rod 1 The output ends of 4 all penetrate the support plate 15 and are fixedly connected with a pressing block 18. Micro pressure sensors 19 are evenly arranged in the pressing block 18, and a clamping plate 14 is arranged at the bottom of the pressing block 18, so that the staff can move the transmission block 17 on the screw rod 16, and the clamping plate 14 and the clamping plate 20 on the transmission block 17 can be moved to a suitable position, which is convenient for clamping and fixing insulating paperboards of different sizes. Then, the telescopic rod 14 is started to drive the pressing block 18 and the clamping plate 14 to move downward, and the micro pressure sensor 19 in the pressing block 18 can sense the size of the downward pressure to prevent the insulating paperboard from being damaged due to excessive force. After fixing the insulating paperboard, the motor 21 can be started to drive the shield 3 on one side of the rotating plate 5 to rotate, and the insulating paperboard can be turned over;

[0020] A moving groove 12 is provided on the top of the testing platform 1, and a screw rod 8 is provided in the moving groove 12, and a transmission block 7 is provided on the screw rod 8, a handle 13 is provided at one end of the screw rod 8 away from the support plate 2, and one end of the handle 13 passes through the moving groove 12 and is connected to the screw rod 8, a moving platform 9 is provided on the top of the transmission block 7, and a groove 10 is provided in the middle position of the top of the moving platform 9, and a telescopic rod 2 6 is provided in the groove 10, and a top plate 11 is fixedly connected to the output end of the telescopic rod 2 6, and the size of the top plate 11 is consistent with the groove 10, so that the staff can turn the handle 13 to control the position of the moving platform 9 on the screw rod 8, so that the moving platform 9 moves to a suitable position, start the telescopic rod 2 6 to drive the top plate 11 to rise, so that the top plate 11 lifts the insulating paperboard, and then turn the handle 13 again to drive the moving platform 9 to move in the direction of the support plate 2, so that the insulating paperboard can be moved into between the clamping plate 14 and the clamping plate 20, which can improve work efficiency;

[0021] An opening is provided below the support plate 2, and a detection device is provided on the detection platform 1 on one side of the support plate 2, so that the insulating paperboard can be moved to the detection device through the opening below the support plate 2 on the moving platform 9, so as to facilitate direct detection after flipping.

[0022] When the embodiment of the present application is in use, the staff can place the insulating cardboard on the moving platform 9, and then the handle 13 can be turned to drive the transmission block 17 on the screw rod 18 to move, and the transmission block 17 drives the moving platform 9 to move toward the detection device, so that the detection device can detect the insulating cardboard. After one side of the detection is completed, the handle 13 can be turned in the opposite direction to make the moving platform 9 move in the opposite direction to move it to a suitable position, and the telescopic rod 26 can be started to drive the top plate 11 to rise, so that the top plate 11 lifts the insulating cardboard, and then the handle 13 is turned again to drive the moving platform 9 to move in the direction of the support plate 2, so that the insulating cardboard can be moved between the clamping plate 14 and the clamping plate 20, which can improve work efficiency. Then the staff can move the transmission block 2 17 on the screw rod 2 16 so that the transmission block 2 17 on the transmission block 2 The clamping plate 14 and the clamping plate 20 are moved to a suitable position to facilitate clamping and fixing insulating cardboards of different sizes. Then, the telescopic rod 14 is started to drive the pressing block 18 and the clamping plate 14 to move downward, and the micro pressure sensor 19 in the pressing block 18 senses the size of the downward pressure to prevent the insulating cardboard from being damaged due to excessive force. After fixing the insulating cardboard, the telescopic rod 26 begins to retract, and then the motor 21 is started to drive the shield 3 on one side of the rotating plate 5 to rotate, and the insulating cardboard can be turned over. After the turning is completed, the telescopic rod 26 is started again to drive the top plate 11 to rise to the clamping position, and then the clamping plate 14 and the clamping plate 20 can be loosened to lift the insulating cardboard, and the turned insulating cardboard can be tested, which can effectively prevent long-term exposure to X-rays and cause harm to the body.

[0023] Obviously, the embodiments described above are only some embodiments of the utility model, not all embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the utility model.

[0024] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.

[0025] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the numbers used in this way can be interchanged where appropriate, so that the embodiments of the present application described herein can be implemented in an order other than those illustrated or described herein.

[0026] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention may be subject to various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. An auxiliary device for detecting metal foreign matter in transformer insulation paperboard, characterized in that: The invention comprises a detection platform (1) and a support plate (2), wherein a support plate (2) is provided on one side of the top of the detection platform (1), and a motor (21) is provided on the reverse side of the support plate (2), an output end of the motor (21) passes through the support plate (2) and is fixedly connected to a rotating plate (5), and a shield (3) is fixedly connected to the other side of the rotating plate (5) by bolts, a second screw rod (16) is provided inside the shield (3), and a smooth shaft is provided in the middle of the second screw rod (16), and transmission blocks (17) are provided at both ends of the second screw rod (16), a clamping plate (20) is provided at the bottom of the second transmission block (17) on the side away from the rotating plate (5), and a support plate (15) is provided at the top of the second transmission block (17) on the side away from the rotating plate (5).

2. The auxiliary device for detecting metal foreign matter in transformer insulation paperboard according to claim 1, characterized in that: A telescopic rod (4) is provided on the top of each support plate (15), and the output end of each telescopic rod (4) passes through the support plate (15) and is fixedly connected to a lower pressing block (18).

3. The auxiliary device for detecting metal foreign matter in transformer insulation paperboard according to claim 2, characterized in that: Micro pressure sensors (19) are evenly arranged inside the lower pressing block (18), and a clamping plate (14) is arranged at the bottom of the lower pressing block (18).

4. The auxiliary device for detecting metal foreign matter in transformer insulation paperboard according to claim 1, characterized in that: A movable groove (12) is provided on the top of the detection platform (1), and a screw rod (8) is provided in the movable groove (12), and a transmission block (7) is provided on the screw rod (8), and a handle (13) is provided at one end of the screw rod (8) away from the support plate (2), and one end of the handle (13) passes through the movable groove (12) and is connected to the screw rod (8).

5. The auxiliary device for detecting metal foreign matter in transformer insulation paperboard according to claim 4, characterized in that: A moving platform (9) is provided on the top of the transmission block (7), a groove (10) is provided in the middle of the top of the moving platform (9), and a telescopic rod (6) is provided in the groove (10).

6. The auxiliary device for detecting metal foreign matter in transformer insulation paperboard according to claim 5, characterized in that: The output end of the second telescopic rod (6) is fixedly connected to a top plate (11), and the size of the top plate (11) is consistent with that of the groove (10).

7. The auxiliary device for detecting metal foreign matter in transformer insulation paperboard according to claim 1, characterized in that: An opening is provided below the support plate (2), and a detection device is provided on the detection platform (1) on one side of the support plate (2).

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