Shift indicator for large transformer
By adding gears and pointers to the large transformer rollers, the precise detection of transformer displacement is achieved using the dial, which solves the problems of intuition in the inspection and inaccurate data in the prior art, improves the inspection efficiency and ensures the safe and stable operation of the equipment.
Patent Information
- Application Number
- CN202421844230.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-01
- Publication Date
- 2025-05-23
- Estimated Expiration
- 2034-08-01
AI Technical Summary
In the prior art, checking whether large transformers are shifted has problems such as unintuitive and inaccurate data, and it takes a lot of manpower and time.
A large transformer shift indicator is designed. By adding gears to the transformer roller shaft and connecting a pointer to the final gear shaft, the pointer is used to accurately reflect the forward and reverse shift of the transformer on the dial.
It realizes accurate detection of transformer shift, has high intuitiveness and high efficiency, saves human resources and inspection time, and ensures the safe and stable operation of the equipment.
Smart Images
Figure CN222895648U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of displacement detection, in particular to a large transformer displacement indicator. Background Art
[0002] The utility model relates to the connection between the high-voltage side of a large main transformer in the power industry and the GIS tube mother. In order to prevent the main transformer from moving and pulling the connection between the high-voltage side of the running transformer and the GIS, a major electrical accident occurs. The two ends of the transformer roller are locked by a brake. Especially in earthquake areas, it is necessary to conduct post-earthquake equipment inspections on important equipment such as transformers to ensure safe and stable operation of the equipment.
[0003] Currently, the main method to confirm whether the transformer is displaced is to check the transformer roller manually. The inspection is not intuitive, the displacement data is inaccurate, and it takes a lot of manpower and time. Utility Model Content
[0004] In view of the problems existing in the prior art, a large transformer displacement indicator is provided. By adding a gear to the transformer roller axle and connecting a pointer to the final gear axle, the pointer can accurately reflect whether the transformer has positive or negative displacement after an earthquake through the data on the dial.
[0005] The technical solution adopted by the utility model is as follows: a large transformer displacement indicator, comprising a shell and a driving gear, a driven gear, an output shaft and a pointer in the shell; the driving gear is connected to the transformer roller through a wheel axle and rotates with the transformer roller; the driven gear is meshed with the driving gear, one end of the output shaft is fixed to the driven gear, and the other end extends to the surface of the shell and is installed with the pointer; the surface of the shell is provided with a dial to cooperate with the pointer to indicate movement data.
[0006] As a preferred solution, the driven gear includes a first driven gear, a second driven gear, and a third driven gear. The first driven gear is meshed with the driving gear, the second driven gear is meshed with the first driven gear, the third driven gear is meshed with the second driven gear, and the output shaft is arranged on the third driven gear.
[0007] As a preferred solution, the driven gear includes a first driven gear, a second driven gear, and a third driven gear. The first driven gear is meshed with the driving gear; the second driven gear is connected to the first driven gear and rotates with the first driven gear; the third driven gear is meshed with the second driven gear, and the output shaft is set on the third driven gear.
[0008] As a preferred solution, a mounting hole is provided on the housing for cooperating with a fixing bolt to complete the fixed installation of the displacement indicator.
[0009] As a preferred solution, the scale dial includes scale parameters distributed in a sector shape, and the needle tip of the pointer points to the scale parameters in the scale dial to complete the transformer displacement indication.
[0010] As a preferred solution, the diameters of the driving gear and the driven gear are set according to the diameter of the transformer roller.
[0011] As a preferred solution, the scale parameters on the scale plate are set according to the diameters of the driving gear, the driven gear, and the transformer roller.
[0012] As a preferred solution, the diameter of the first driven gear=the diameter of the third driven gear>the diameter of the second driven gear.
[0013] Compared with the prior art, the beneficial effects of adopting the above technical solution are: the utility model innovatively designs the gear meshing and the dial to accurately reflect the displacement data, is accurate and intuitive, and greatly improves the inspection efficiency, saves human resources and inspection time, and ensures the safe and stable operation of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 The utility model is a schematic diagram of the structure of a large transformer displacement indicator.
[0015] Figure 2 This is a schematic diagram of the installation of a large transformer displacement indicator in one embodiment of the utility model.
[0016] Figure numerals: 1-housing, 2-driving gear, 3-axle, 4-driven gear, 5-output shaft, 6-pointer, 7-dial, 8-fixing bolt, 9-roller, 10-brake, 401-first driven gear, 402-second driven gear, 403-third driven gear. DETAILED DESCRIPTION
[0017] Embodiments of the present application are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar modules or modules with the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present application, and cannot be construed as limitations on the present application. On the contrary, the embodiments of the present application include all changes, modifications and equivalents that fall within the spirit and connotation of the appended claims.
[0018] In order to accurately reflect whether the transformer has positive and negative displacement after an earthquake, the embodiment of the utility model proposes a large transformer displacement indicator, which can accurately reflect whether there is displacement and the specific displacement distance through the data of the pointer on the dial.
[0019] Please refer to Figure 1The large transformer displacement indicator includes a housing 1 and a driving gear 2, a driven gear 4, an output shaft 5 and a pointer 6 in the housing 1; wherein the housing 1 is mainly used to protect the internal components of the indicator, and at the same time, the housing 1 can be fixed to the transformer.
[0020] In this embodiment, the driving gear 2 in the housing is connected to the transformer roller 9 through the axle 3 and rotates with the transformer roller 9; the driven gear 4 is meshed with the driving gear 2, one end of the output shaft 5 is fixed to the driven gear 4, and the other end extends to the surface of the housing 1 and is installed with a pointer 6; the surface of the housing 1 is provided with a dial 7 to cooperate with the pointer 6 to indicate the movement data. When the transformer roller 9 is sent to rotate, it will drive the driving gear 2, the driven gear 4 and the output shaft 5 to rotate, and then drive the pointer 6 to move on the dial 7 to indicate the transformer movement data.
[0021] In this embodiment, a mounting hole is provided on the housing 1 for cooperating with the fixing bolt 8 to complete the fixed installation of the displacement indicator.
[0022] In one embodiment, the scale plate 7 includes scale parameters distributed in a sector shape, and the needle tip of the pointer 6 points to the scale parameters in the scale plate 7 to complete the transformer displacement indication.
[0023] In practical applications, the diameters of the driving gear 2 and the driven gear 4 can be adjusted according to the diameter of the transformer roller 9 on site to ensure that the pointer 6 indicates accurate movement data. Correspondingly, the scale parameters on the dial 7 can also be adjusted according to the diameters of the driving gear 2, the driven gear 4, and the transformer roller 9. It should be noted that the number of driven gears 4 can be adjusted to achieve multi-level conversion, thereby ensuring the accuracy of the data indicated by the pointer 6. In one embodiment, the driven gear 4 may include a first driven gear 401, a second driven gear 402, and a third driven gear 403. The first driven gear 401 is meshed with the driving gear 2, and the driving gear 2 drives the first driven gear 401 to move; the second driven gear 402 is meshed with the first driven gear 401, and the first driven gear 401 drives the second driven gear 402 to move; the third driven gear 403 is meshed with the second driven gear 402, and the second driven gear 402 drives the third driven gear 403 to move; the output shaft 5 is set on the third driven gear 403 and moves with the third driven gear 403. Through the cooperation of multi-stage driven gears, multi-stage conversion of rotation amount is completed to obtain accurate measurement data. In another embodiment, the driven gear includes a first driven gear 401, a second driven gear 402, and a third driven gear 403, wherein the first driven gear 401 is meshed with the driving gear 2; the second driven gear 402 is connected to the first driven gear 401 and rotates with the first driven gear 401; the third driven gear 403 is meshed with the second driven gear 402, and the output shaft 5 is disposed on the third driven gear 403. At this time, the diameter of the first driven gear 401 = the diameter of the third driven gear 403 > the diameter of the second driven gear 402, and the diameter of each driven gear can be adjusted according to the actual application.
[0024] It should be noted that in this embodiment, only the shift indicator consisting of three driven gears is used as an example for description, and in fact, the number of driven gears can be increased or decreased according to needs.
[0025] The present invention also provides an example of the use of a large transformer displacement indicator, please refer to Figure 2 , the transformer roller 9 is in the track and the phase is completed by the brake 10. At this time, the shift indicator is installed on the peripheral component of the transformer roller 9, and its driving gear 2 is completely connected with the transformer roller 9 axle 3. The movement of the transformer roller 9 will drive the first driven gear 401, the second driven gear 402, and the third driven gear 403 to move, and then drive the pointer 6 on the output shaft 5 to move, and indicate the reading on the dial 7.
[0026] The utility model innovatively designs gear meshing and a dial that accurately reflects shift data, is accurate and intuitive, and greatly improves inspection efficiency, saves human resources and inspection time, and ensures safe and stable operation of the equipment.
[0027] Furthermore, the displacement indicator proposed in this embodiment can not only be used for monitoring large transformers, but also can be used for monitoring and indicating the position movement of important equipment in the power industry or machinery industry.
[0028] Example 1
[0029] This embodiment proposes a large transformer displacement indicator, including a shell and a driving gear, a driven gear, an output shaft and a pointer inside the shell; the driving gear is connected to the transformer roller through a wheel axle and rotates with the transformer roller; the driven gear is meshed with the driving gear, one end of the output shaft is fixed to the driven gear, and the other end extends to the surface of the shell and the pointer is installed; the surface of the shell is provided with a dial to cooperate with the pointer to indicate movement data.
[0030] Example 2
[0031] Based on Example 1, the driven gears in this embodiment include a first driven gear, a second driven gear, and a third driven gear. The first driven gear is meshed with the driving gear, the second driven gear is meshed with the first driven gear, the third driven gear is meshed with the second driven gear, and the output shaft is arranged on the third driven gear.
[0032] Example 3
[0033] On the basis of Example 1, the driven gears in this embodiment include a first driven gear, a second driven gear, and a third driven gear. The first driven gear is meshed with the driving gear; the second driven gear is connected to the first driven gear and rotates with the first driven gear; the third driven gear is meshed with the second driven gear, and the output shaft is set on the third driven gear.
[0034] Example 4
[0035] On the basis of Example 1, in this embodiment, a mounting hole is provided on the housing for cooperating with a fixing bolt to complete the fixed installation of the displacement indicator.
[0036] Example 5
[0037] On the basis of Example 1, the scale plate in this embodiment includes scale parameters distributed in a sector shape, and the needle tip of the pointer points to the scale parameters in the scale plate to complete the transformer displacement indication.
[0038] Example 6
[0039] On the basis of Example 1, the diameters of the driving gear and the driven gear in this embodiment are set according to the diameter of the transformer roller.
[0040] Example 7
[0041] On the basis of Example 1, the scale parameters on the scale plate in this embodiment are set according to the diameters of the driving gear, the driven gear, and the transformer roller.
[0042] Example 8
[0043] On the basis of Embodiment 3, in this embodiment, the diameter of the first driven gear=the diameter of the third driven gear>the diameter of the second driven gear.
[0044] The present utility model can be better realized through embodiments 1 to 8.
[0045] It should be noted that in the description of the embodiments of the present utility model, unless otherwise clearly specified and limited, the terms "setting" and "connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances; the drawings in the embodiments are used to clearly and completely describe the technical solutions in the embodiments of the present utility model. Obviously, the described embodiments are part of the embodiments of the present utility model, not all of the embodiments. The components of the embodiments of the present utility model described and shown in the drawings here can be arranged and designed in various different configurations.
[0046] Although the embodiments of the present application have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limitations on the present application. Ordinary technicians in this field can change, modify, replace and modify the above embodiments within the scope of the present application.
Claims
1. A large transformer displacement indicator, characterized in that: It includes a housing, a driving gear, a driven gear, an output shaft and a pointer in the housing; The driving gear is connected to the transformer roller through a wheel axle and rotates with the transformer roller; the driven gear is meshed with the driving gear, one end of the output shaft is fixed to the driven gear, and the other end extends to the surface of the shell and is installed with the pointer; the surface of the shell is provided with a dial to cooperate with the pointer to indicate movement data.
2. The large transformer displacement indicator according to claim 1, characterized in that: The driven gears include a first driven gear, a second driven gear and a third driven gear. The first driven gear is meshed with the driving gear, the second driven gear is meshed with the first driven gear, the third driven gear is meshed with the second driven gear, and the output shaft is arranged on the third driven gear.
3. The large transformer displacement indicator according to claim 1, characterized in that: The driven gears include a first driven gear, a second driven gear, and a third driven gear, and the first driven gear is meshed with the driving gear; The second driven gear is connected to the first driven gear and rotates with the first driven gear; The third driven gear is meshed with the second driven gear, and the output shaft is arranged on the third driven gear.
4. The large transformer displacement indicator according to claim 1, characterized in that: The housing is provided with a mounting hole for cooperating with a fixing bolt to complete the fixed installation of the displacement indicator.
5. The large transformer displacement indicator according to claim 1, characterized in that: The scale plate includes scale parameters distributed in a sector shape, and the needle tip of the pointer points to the scale parameters in the scale plate to complete the transformer displacement indication.
6. The large transformer displacement indicator according to claim 1, characterized in that: The diameters of the driving gear and the driven gear are set according to the diameter of the transformer roller.
7. The large transformer displacement indicator according to claim 1, characterized in that: The scale parameters on the scale plate are set according to the diameters of the driving gear, the driven gear and the transformer roller.
8. The large transformer displacement indicator according to claim 3, characterized in that: The first driven gear diameter=the third driven gear diameter>the second driven gear diameter.