Compressed spring energy storage mechanism of on-load tap-changer

By designing a compression spring energy storage mechanism for an on-load tap changer and utilizing the cooperation of a drive shaft and a fixing mechanism, the compression energy storage of the spring and the quick installation of the device are achieved, thus solving the problem of complex installation of the energy storage mechanism of a traditional on-load tap changer and reducing the work pressure of the staff.

CN223390389UActive Publication Date: 2025-09-26HUAQI ELECTRIC POWER EQUIPMENT MANUFACTURING (NANTONG) CO LTD
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Patent Information

Application Number
CN202422783997.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-15
Publication Date
2025-09-26
Estimated Expiration
2034-11-15

AI Technical Summary

Technical Problem

The installation process of the energy storage mechanism of traditional on-load tap-changers is cumbersome, requires professional knowledge and is time-consuming, increasing the workload of staff.

Method used

A compression spring energy storage mechanism for an on-load tap changer is designed, which includes a mounting plate, a compression spring mechanism, a switching shaft, a drive shaft and a fixing mechanism. The spring is compressed and energy is stored by rotating the drive shaft, and quick installation is achieved through the control of the fixing mechanism.

Benefits of technology

It simplifies the installation process, reduces the work pressure of the staff and improves the installation efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of electrical equipment, in particular to a pressure spring energy storage mechanism of an on-load tap-changer, which mainly comprises a mounting plate; the pressure spring mechanism is mounted on the mounting plate and is used for storing energy; the pressure spring mechanism comprises a sliding shaft mounted on the mounting plate, and a sleeve is connected to the sliding shaft in a sliding manner; the switching shaft is mounted on the sleeve; the driving shaft is mounted on the mounting plate; the fixing mechanism is mounted on the driving shaft and is used for fixing the device; the fixing mechanism comprises a connecting plate mounted on the mounting plate, a trapezoidal sliding groove is formed in the mounting plate, a two-way lead screw is rotationally connected to the mounting plate, and a rotating part is fixedly connected to the two-way lead screw. According to the pressure spring energy storage mechanism for the on-load tap-changer, by controlling the fixing mechanism, a worker can more quickly install the pressure spring energy storage mechanism, so that the working pressure of the worker can be greatly reduced.
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Description

Technical Field

[0001] The utility model relates to the technical field of electrical equipment, in particular to a compression spring energy storage mechanism for an on-load tap changer. Background Art

[0002] The continuous development of power systems has placed higher demands on the performance, reliability, and intelligence of power equipment. On-load tap-changers, as an important auxiliary device for transformers, play a crucial role in regulating voltage and maintaining grid stability.

[0003] The energy storage mechanism of a traditional on-load tap-changer, a key component for achieving fast and smooth tap switching, often integrates numerous sophisticated mechanical elements and a complex transmission system. However, the installation process is cumbersome and time-consuming, requiring operators to possess extensive experience and expertise to ensure that all components are assembled correctly, which increases the workload of the staff. Utility Model Content

[0004] The purpose of the utility model is to provide an on-load tap changer compression spring energy storage mechanism to solve the problems raised by the above background technology.

[0005] To achieve the above objectives, the present invention provides the following technical solutions:

[0006] A compression spring energy storage mechanism for an on-load tap changer comprises: a mounting plate; a compression spring mechanism, mounted on the mounting plate and used for storing energy; the compression spring mechanism comprises a sliding shaft mounted on the mounting plate, a sleeve being slidably connected to the sliding shaft; a switching shaft, mounted on the sleeve; a drive shaft, mounted on the mounting plate; a fixing mechanism, mounted on the drive shaft and used for fixing the device; the fixing mechanism comprises a connecting plate mounted on the mounting plate, a trapezoidal slide groove being mounted on the mounting plate, a bidirectional screw being rotatably connected to the mounting plate, and a rotating member being fixedly connected to the bidirectional screw.

[0007] Preferably, the compression spring mechanism includes a spring mounted on a sliding shaft, a drive shaft is rotatably connected to the mounting plate, a crank is fixedly connected to the drive shaft, a ball valve is rotatably connected to the crank, and a sleeve is fixedly connected to the ball valve.

[0008] Preferably, a ball groove is fixedly connected to the crank, a ball valve is rotatably connected to the ball groove, and the ball valve and the crank are rotatably connected via the ball groove.

[0009] Preferably, the fixing mechanism includes a slider threadedly connected to a bidirectional screw rod, the trapezoidal slide groove is slidingly connected to the slider, a fixing plate is fixedly connected to the slider, a placement plate is rotatably connected to the fixing plate, a fixing cylinder is fixedly connected to the placement plate, a second placement groove is provided on the connecting plate, the fixing cylinder and the connecting plate are slidingly connected, the placement plate is in contact with the second placement groove, a threaded rod is threadedly connected to the fixing plate, the threaded rod and the connecting plate are slidingly connected, and the threaded rod and the placement plate are rotatably connected.

[0010] Preferably, a first placement groove is provided on the connecting plate, a fixed cylinder is slidably connected to the first placement groove, and the fixed cylinder and the connecting plate are slidably connected via the first placement groove.

[0011] Preferably, a straight slide groove is provided on the connecting plate, a threaded rod is slidably connected to the straight slide groove, and the threaded rod and the connecting plate are slidably connected via the straight slide groove.

[0012] Compared with the prior art, the beneficial effect of the present invention is that when in use, the spring can be compressed by rotating the drive shaft, thereby storing energy, thereby driving the subsequent rotation of the switching shaft, and by controlling the fixing mechanism, the staff can install the device more quickly, thereby greatly reducing the work pressure of the staff.

[0013] The utility model can fix the device by rotating the threaded rod, which is more convenient and quick. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the main three-dimensional structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the rear-view stereoscopic structure of the utility model;

[0016] Figure 3 This is a schematic diagram of the three-dimensional structure of the compression spring mechanism of the present utility model;

[0017] Figure 4 It is a schematic diagram of the three-dimensional structure of the fixing mechanism of the present utility model.

[0018] In the picture:

[0019] 1. Mounting plate;

[0020] 2. Compression spring mechanism; 201. Spring; 202. Sliding shaft; 203. Sleeve; 204. Ball valve; 205. Ball groove; 206. Crank;

[0021] 3. Switching shaft; 4. Driving shaft;

[0022] 5. Fixing mechanism; 501. Connecting plate; 502. First mounting groove; 503. Second mounting groove; 504. Straight slide; 505. Slider; 506. Bidirectional screw rod; 507. Threaded rod; 508. Fixed cylinder; 509. Rotating part; 510. Fixing plate; 511. Trapezoidal slide; 512. Mounting plate. DETAILED DESCRIPTION

[0023] It should be noted that, in the absence of conflict, the embodiments and features of the embodiments in this application can be combined with each other. The present application will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0024] In order to enable those skilled in the art to better understand the present invention, the following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments in the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts should fall within the scope of protection of this application.

[0025] like Figure 1-4 As shown, the present application provides a compression spring energy storage mechanism for an on-load tap changer, comprising a mounting plate 1; a compression spring mechanism 2, mounted on the mounting plate 1, for storing energy; the compression spring mechanism 2 comprises a sliding shaft 202 mounted on the mounting plate 1, and a sleeve 203 is slidably connected to the sliding shaft 202; a switching shaft 3, mounted on the sleeve 203; a drive shaft 4, mounted on the mounting plate 1; a fixing mechanism 5, mounted on the drive shaft 4, for fixing the device; the fixing mechanism 5 comprises a connecting plate 501 mounted on the mounting plate 1, a trapezoidal slide 511 is mounted on the mounting plate 1, a bidirectional screw rod 506 is rotatably connected to the mounting plate 1, and a rotating member 509 is fixedly connected to the bidirectional screw rod 506.

[0026] In this embodiment: because the mounting plate 1 is provided with a compression spring mechanism 2, by controlling the rotation of the drive shaft 4, the compression spring mechanism 2 can be made to compress and store energy better. Since the mounting plate 1 is provided with a fixing mechanism 5, the fixing mechanism 5 can make the device be installed more quickly, which can effectively reduce the work pressure of the staff.

[0027] Specifically, such as Figure 3 As shown, the compression spring mechanism 2 includes a spring 201 mounted on a sliding shaft 202, a drive shaft 4 is rotatably connected to the mounting plate 1, a crank 206 is fixedly connected to the drive shaft 4, a ball valve 204 is rotatably connected to the crank 206, and a sleeve 203 is fixedly connected to the ball valve 204; a ball groove 205 is fixedly connected to the crank 206, and the ball valve 204 is rotatably connected to the ball groove 205, and the ball valve 204 and the crank 206 are rotatably connected via the ball groove 205.

[0028] In this embodiment: because the compression spring mechanism 2 includes a drive shaft 4 rotatably connected to the mounting plate 1, a crank 206 is fixedly connected to the drive shaft 4, a ball groove 205 is fixedly mounted on the crank 206, and the ball groove 205 is rotatably connected to the sleeve 203 via the ball valve 204, the sleeve 203 is fixedly connected to the switching shaft 3, and the sleeve 203 is slidably connected to the sliding shaft 202, when the drive shaft 4 rotates, the sleeve 203 slides downward and rotates, thereby compressing the spring 201, thereby storing energy.

[0029] Specifically, such as Figure 1 As shown, the fixing mechanism 5 includes a two-way screw rod 506 with a slider 505 threadedly connected, a trapezoidal slide 511 and the slider 505 are slidably connected, a fixing plate 510 is fixedly connected to the slider 505, a placement plate 512 is rotatably connected to the fixing plate 510, a fixing cylinder 508 is fixedly connected to the placement plate 512, a second placement groove 503 is opened on the connecting plate 501, the fixing cylinder 508 is slidably connected to the connecting plate 501, the placement plate 512 is in contact with the second placement groove 503, and the threaded rod 5 is threadedly connected to the fixing plate 510. 07, the threaded rod 507 is slidingly connected to the connecting plate 501, and the threaded rod 507 is rotationally connected to the placement plate 512; a first placement groove 502 is provided on the connecting plate 501, and a fixed cylinder 508 is slidingly connected to the first placement groove 502, and the fixed cylinder 508 and the connecting plate 501 are slidingly connected through the first placement groove 502; a straight slide groove 504 is provided on the connecting plate 501, and a threaded rod 507 is slidingly connected to the straight slide groove 504, and the threaded rod 507 and the connecting plate 501 are slidingly connected through the straight slide groove 504.

[0030] In this embodiment: because the fixing mechanism 5 includes a bidirectional screw rod 506 installed on the mounting plate 1, a trapezoidal slide groove 511 is provided on the mounting plate 1, and a rotating member 509 is fixedly connected to the bidirectional screw rod 506, by rotating the rotating member 509, the two sets of sliders 505 slide, thereby driving the placement plate 512 and the fixed cylinder 508 and the connecting plate 501 to be slidably connected, and by rotating the threaded rod 507, the fixed cylinder 508 can be connected to the first placement groove 502, so that the device can be fixed, which greatly reduces the installation process and can greatly reduce the work pressure of the staff.

[0031] The specific solution is: by rotating the drive shaft 4, the spring 201 can be compressed, thereby storing energy, thereby driving the subsequent rotation of the switching shaft 3, and by controlling the fixing mechanism 5, the staff can install the device more quickly, thereby greatly reducing the work pressure of the staff.

[0032] Those skilled in the art should understand that the discussion of any of the above embodiments is for illustrative purposes only. Based on the concept of the present invention, the technical features in the above embodiments or different embodiments may be combined, the steps may be implemented in any order, and there are many other variations of different aspects of the present invention as described above, which are not provided in detail for the sake of simplicity.

[0033] The present invention is intended to cover all such substitutions, modifications and variations that fall within the broad scope of the appended claims. Therefore, any omissions, modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the scope of protection of the present invention.

Claims

1. A compression spring energy storage mechanism for an on-load tap changer, characterized in that: include: Mounting plate (1); A compression spring mechanism (2) is mounted on the mounting plate (1) and is used for storing energy; the compression spring mechanism (2) comprises a sliding shaft (202) mounted on the mounting plate (1), and a sleeve (203) is slidably connected to the sliding shaft (202); A switching shaft (3) is mounted on the sleeve (203); A drive shaft (4) is mounted on the mounting plate (1); A fixing mechanism (5) is mounted on the driving shaft (4) and is used to fix the device; the fixing mechanism (5) includes a connecting plate (501) mounted on a mounting plate (1), a trapezoidal slide groove (511) is mounted on the mounting plate (1), a bidirectional screw rod (506) is rotatably connected to the mounting plate (1), and a rotating member (509) is fixedly connected to the bidirectional screw rod (506).

2. The on-load tap changer compression spring energy storage mechanism according to claim 1, characterized in that: The compression spring mechanism (2) comprises a spring (201) mounted on a sliding shaft (202); a drive shaft (4) is rotatably connected to the mounting plate (1); a crank (206) is fixedly connected to the drive shaft (4); a ball valve (204) is rotatably connected to the crank (206); and a sleeve (203) is fixedly connected to the ball valve (204).

3. The on-load tap changer compression spring energy storage mechanism according to claim 2, characterized in that: The crank (206) is fixedly connected with a ball groove (205), the ball groove (205) is rotatably connected with a ball valve (204), and the ball valve (204) and the crank (206) are rotatably connected via the ball groove (205).

4. The on-load tap changer compression spring energy storage mechanism according to claim 1, characterized in that: The fixing mechanism (5) includes a bidirectional screw rod (506) threadedly connected to a slider (505), a trapezoidal slide groove (511) and a slider (505) being slidably connected, a fixing plate (510) being fixedly connected to the slider (505), a placement plate (512) being rotatably connected to the fixing plate (510), a fixing cylinder (508) being fixedly connected to the placement plate (512), a second placement groove (503) being provided on the connecting plate (501), a sliding connection between the fixing cylinder (508) and the connecting plate (501), and contact between the placement plate (512) and the second placement groove (503), a threaded rod (507) being threadedly connected to the fixing plate (510), a sliding connection between the threaded rod (507) and the connecting plate (501), and a rotational connection between the threaded rod (507) and the placement plate (512).

5. The on-load tap changer compression spring energy storage mechanism according to claim 4, characterized in that: The connecting plate (501) is provided with a first placement groove (502), a fixed cylinder (508) is slidably connected to the first placement groove (502), and the fixed cylinder (508) and the connecting plate (501) are slidably connected via the first placement groove (502).

6. The on-load tap changer compression spring energy storage mechanism according to claim 4, characterized in that: A straight slide groove (504) is provided on the connecting plate (501), a threaded rod (507) is slidably connected to the straight slide groove (504), and the threaded rod (507) and the connecting plate (501) are slidably connected via the straight slide groove (504).