Rapid replacement tool for 10KV transformer in power box transformer substation

Abstract

The utility model discloses a quick replacement tool for a 10KV transformer in a power box transformer substation, and relates to the technical field of power equipment maintenance. The transformer lifting device is composed of a base, a lifting mechanism, a translation mechanism and a rotating mechanism, and the lifting mechanism is installed on the base and used for achieving vertical lifting of a transformer; the translation mechanism is arranged above the lifting mechanism and can enable the transformer to move in the horizontal direction; and the rotary hoisting mechanism is connected to the translation mechanism and can realize rotation and hoisting of the transformer. The tool for rapidly replacing the 10KV transformer in the power box transformer substation is convenient to install on site, adjustable in vertical height and horizontal length, capable of efficiently and safely completing the replacement task of the transformer in a narrow space, capable of reducing safety risks in the replacement process of the transformer, capable of guaranteeing life safety of operators, capable of shortening the replacement time of the transformer and capable of improving the replacement efficiency of the transformer. Power failure time caused by transformer faults is reduced, and stability and reliability of a railway power supply system are improved.

Description

Technical Field

[0001] This utility model relates to the field of power equipment maintenance technology, and in particular to a quick replacement tool for a 10KV transformer inside a power distribution box. Background Technology

[0002] In railway power supply systems, prefabricated substations are key facilities for ensuring a stable power supply, and 10kV transformers, as their core components, play a vital role in voltage conversion and power distribution. With the continuous development and upgrading of railway transportation, higher demands are being placed on the reliability and stability of the power supply system.

[0003] Existing transformer replacement devices, such as crane hoisting and railcar transport, are mostly applicable to conventional industrial or civil applications, and lack dedicated replacement devices for 10KV transformers in railway power distribution boxes.

[0004] The main problems encountered in replacing the 10KV transformer in a railway power distribution box are:

[0005] 1. Limited space: The internal space of railway power transformer boxes is small, and traditional replacement devices are difficult to operate flexibly in the limited space, resulting in a cumbersome and inefficient replacement process.

[0006] 2. High safety risks: Transformers are heavy and require hoisting and handling during replacement. Improper operation can easily lead to safety accidents, threatening the lives of operators and the normal operation of equipment.

[0007] 3. Long replacement time: The existing replacement method requires a lot of manual operation and auxiliary equipment, and the operation steps are complicated, resulting in excessively long transformer replacement time, which affects the continuity and stability of railway power supply. Summary of the Invention

[0008] The purpose of this invention is to provide a quick replacement tool for 10KV transformers in power transformer substations. This device can efficiently and safely complete the transformer replacement task in confined spaces, solving the problem of inconvenient operation of existing replacement devices in the confined spaces of railway power transformer substations. It improves the spatial adaptability and flexibility of the device, reduces safety risks during transformer replacement, ensures the safety of operators and the normal operation of equipment, shortens transformer replacement time, improves the reliability and maintenance efficiency of railway power supply systems, thereby reducing power outage time caused by transformer failures and improving the stability and reliability of railway power supply systems.

[0009] The technical solution proposed in this utility model is implemented as follows: A quick replacement tool for a 10KV transformer in a power transformer substation, comprising a base (1), a lifting mechanism (2), a translation mechanism (3), and a rotating mechanism (4). The lifting mechanism (2) is mounted on the base via a connecting component (33) for connecting the base and the lifting mechanism. The translation mechanism (3) is mounted on the lifting mechanism via a connecting component (22) for connecting the horizontal telescopic arm and the vertical telescopic arm. The rotating mechanism (4) is connected to the translation mechanism (3) via a bearing (32). The lifting mechanism (2) includes a vertical telescopic upper arm (23), a vertical telescopic lower arm (24), and a vertical lifting assembly (1). 6) The cross-sectional area of ​​the vertical telescopic upper arm (23) is smaller than that of the vertical telescopic lower arm (24). After installation, the vertical telescopic upper arm (23) is embedded in the inner hole of the vertical telescopic lower arm (24). The vertical lifting assembly (16) includes a small roller (25) installed on the vertical telescopic upper arm (23), a large roller (27) installed on the vertical telescopic lower arm (24), a slider (34), a guide rail (35), a handle (31) for tightening and loosening the load line, and a load line (26) connecting the small roller (25) and the large roller (27). Multiple fixing holes (29) are opened on the vertical telescopic upper arm (23) and the vertical telescopic lower arm (24). The translation mechanism (3) includes a horizontal indoor telescopic arm (14), a horizontal outdoor telescopic arm (15), and a horizontal translation component (17). The cross-sectional area of ​​the horizontal indoor telescopic arm (14) is larger than that of the horizontal outdoor telescopic arm (15). After installation, the horizontal outdoor telescopic arm (15) is embedded in the inner hole of the horizontal indoor telescopic arm (14). The horizontal translation component (17) includes multiple guide rail pulleys (21). Multiple fixing holes (29) are opened on the horizontal indoor telescopic arm (14) and the horizontal outdoor telescopic arm (15). The rotation mechanism (4) is installed on the horizontal translation component (17) of the translation mechanism (3). It includes a bearing (32) for connecting with the translation mechanism and a hook (28) for connecting with a hand-operated hoist to lift the transformer. The base (1) includes an outdoor base bracket (11), an indoor base bracket (12), rotatable rollers (13), and a connecting component (33) for connecting with the lifting mechanism (2).

[0010] This utility model provides a quick replacement tool for 10KV transformers inside power distribution boxes: 1. Strong spatial adaptability: Its compact structure allows for free operation within the confined space of railway power distribution box-type substations without the need to dismantle the box-type substation casing or other equipment, greatly improving the device's spatial adaptability; 2. High safety performance: The mechanized control system ensures personnel are in a safe position to complete the entire transformer replacement process, ensuring operational safety. Simultaneously, the rotating lifting mechanism firmly secures the transformer, preventing it from falling during handling and replacement, further enhancing operational safety; 3. High replacement efficiency: The multi-functional integrated design enables the device to complete transformer replacement tasks in a short time, reducing power outage time caused by transformer failures and improving the reliability and maintenance efficiency of the railway power supply system. Attached Figure Description

[0011] Figure 1 Overall product top view;

[0012] Figure 2 Overall product front view;

[0013] Figure 3 Overall product side view;

[0014] Figure 4 Overall product structure diagram (left view);

[0015] Figure 5 Overall product structure diagram (right view);

[0016] Figure 6 Overall product sectional view (left view)

[0017] Figure 7 Overall product sectional view (right view)

[0018] In the diagram: 1-Base; 2-Lifting mechanism; 3-Translation mechanism; 4-Rotation mechanism; 11-Base bracket; 12-Base bracket; 13-Rotating roller; 14-Horizontal indoor telescopic arm; 15-Horizontal outdoor telescopic arm; 16-Vertical lifting assembly; 17-Horizontal translation assembly; 21-Horizontal guide rail pulley; 22-Connecting component (for connecting and fixing the horizontal and vertical telescopic arms); 23-Vertical telescopic upper arm; 24-Vertical telescopic lower arm; 25-Small roller of vertical lifting mechanism; 26-Vertical lifting mechanism load line; 27-Large roller of vertical lifting mechanism; 28-Hook of horizontal translation mechanism; 29-Fixing hole; 31-Handle for tightening and loosening the load line; 32-Bearing for connecting the rotation mechanism to the translation mechanism; 33-Connecting component for connecting the base and the lifting mechanism; 34-Slider mounted on the vertical telescopic lower arm; 35-Guide rail mounted on the vertical telescopic lower arm. Detailed Implementation

[0019] The following is in conjunction with the appendix Figure 1 , 2 The technical solutions and advantages of this utility model are further explained in sections 3, 4, 5, 6, 7 and the embodiments.

[0020] (I) The quick replacement tool for the 10KV transformer in the power box transformer consists of 1-base, 2-lifting mechanism, 3-translation mechanism, and 4-rotation mechanism.

[0021] 1. Base: Located at the very bottom of the device, it serves as the supporting foundation for the entire device. Its main function is to provide stable support, ensuring that the device does not wobble or tilt during operation.

[0022] 2. Lifting Mechanism: Mounted on the base, this mechanism enables the vertical lifting of the transformer. It allows the transformer to be raised from its installation position within the transformer substation to a suitable height, facilitating transport and replacement.

[0023] 3. Translation Mechanism: Located above the lifting mechanism, this mechanism enables the transformer to move horizontally. The translation mechanism can move the transformer from one position to another, achieving rapid transformer transport.

[0024] 4. Rotary lifting mechanism: Connected to the translation mechanism, it enables the rotation and lifting of the transformer. The angle of the transformer can be adjusted via the rotary lifting mechanism, allowing it to be accurately installed in the designated position within the transformer substation.

[0025] (II) Operating principles and technical effects of key components:

[0026] Lifting Mechanism: Operating Principle: It adopts a mechanical drive method. By manually rotating the lifting chain, the chain drives the vertical telescopic arm, thereby realizing the lifting of the platform.

[0027] Technical benefits: It enables rapid and stable raising and lowering of transformers, improving replacement efficiency. It also features high raising and lowering accuracy, lightweight overall design, and ensures accurate installation and easy handling of transformers.

[0028] Translation mechanism: Operating principle: It adopts a mechanically driven chain transmission method. The chain is manually driven to rotate, and the chain is connected to the translation platform, thereby realizing the horizontal movement of the translation platform.

[0029] Technical benefits: It enables flexible movement of transformers in confined spaces, improving the spatial adaptability of the device, and the movement speed is fast, reducing replacement time.

[0030] Rotary lifting mechanism: Operating principle: It adopts a mechanical drive gear transmission method. The machine drives the gear to rotate, and the gear is connected to the rotating platform, thereby realizing the rotation of the rotating platform.

[0031] Technical benefits: It allows for easy adjustment of the transformer's angle, enabling it to be accurately installed in the designated position within the transformer substation, thus improving installation accuracy.

[0032] (III) The relative positions and connections between the various components, as well as their functional and logical interactions.

[0033] Positional relationship: The base is located at the bottom, the lifting mechanism is installed on the base, the translation mechanism is located above the lifting mechanism, and the rotation mechanism is connected to the translation mechanism.

[0034] Connection relationship: The base and the lifting mechanism are fixedly connected by connecting parts; the lifting mechanism and the translation mechanism are connected by connecting parts, and the horizontal movement of the translation mechanism on the lifting mechanism is realized by using guide rail pulleys; the translation mechanism and the rotating lifting mechanism are connected by bearings to realize the rotation of the rotating mechanism.

[0035] Functional and logical interactions: Operators control the lifting mechanism, translation mechanism, and rotation mechanism via mechanical transmission. The lifting mechanism is responsible for the vertical lifting of the transformer, the translation mechanism is responsible for the horizontal movement of the transformer, and the rotation and hoisting mechanism is responsible for adjusting the angle of the transformer and hoisting it.

[0036] (iv) In Figure 1 In the embodiments, the application of the components corresponding to each numerical label is as follows:

[0037] 11-Outdoor base bracket: for outdoor use, can be flipped; 12-Indoor base bracket: for indoor use, can be flipped; 13-Rotating rollers: made of nylon; 14-Horizontal indoor telescopic arm: for indoor use, with a slightly larger cross-sectional area; 15-Horizontal outdoor telescopic arm: for outdoor use, with a slightly smaller cross-sectional area; 16-Vertical lifting assembly: for adjusting the height of the vertical lifting arm; 17-Horizontal translation assembly: for the horizontal movement of the transformer.

[0038] (v) In Figure 2 In the embodiments, the application of the components corresponding to each numerical label is as follows:

[0039] 21-Horizontal guide rail pulley: made of nylon; 22-Connecting component: used to connect and fix the horizontal and vertical telescopic arms; 23-Vertical telescopic upper arm: connected to the vertical lifting mechanism, used to raise the device height, with a slightly smaller cross-sectional area and a longer length; 24-Vertical telescopic lower arm: used to support the lifting of the vertical telescopic arm, with a slightly larger cross-sectional area and a shorter length; 25-Small roller of the vertical lifting mechanism: made of nylon; 26-Load-bearing wire of the vertical lifting mechanism: made of steel; 27-Large roller of the vertical lifting mechanism: made of nylon; 28-Hook of the horizontal translation mechanism: used to connect with the hand-operated hoist for lifting the transformer; 29-Fixing holes: used to fix the horizontal and vertical telescopic arms, all holes have the same cross-sectional area and are fixed by inserting pins.

[0040] (vi) In Figure 3 In the embodiments, the application of the components corresponding to each numerical label is as follows:

[0041] 31-Vertical lifting mechanism operating handle: used to tighten or loosen the load line to adjust the lifting height of the vertical telescopic boom; 32-Bearing: used for the connection between the translation mechanism and the rotary lifting mechanism; 33-Connecting component: used for the connection between the base and the lifting mechanism; 34-Slider: used for the guide rail slider between the lifting mechanisms; 35-Guide rail: used for the fixed-direction movement between the lifting mechanisms.

Claims

1. A power box transformer quick replacement tool in 10KV transformer, characterized by: It consists of a base (1), a lifting mechanism (2), a translation mechanism (3), and a rotating mechanism (4). The lifting mechanism (2) is mounted on the base via a connecting component (33) for connecting the base and the lifting mechanism. The translation mechanism (3) is mounted on the lifting mechanism via a connecting component (22) for connecting the horizontal telescopic arm and the vertical telescopic arm. The rotating mechanism (4) is connected to the translation mechanism (3) via a bearing (32). The lifting mechanism (2) includes a vertical telescopic upper arm (23), a vertical telescopic lower arm (24), and a vertical lifting assembly (16). The cross-sectional area of ​​the vertical telescopic upper arm (23) is smaller than that of the vertical telescopic lower arm (24). The cross-sectional area of ​​the vertical telescopic upper arm (23) is embedded in the inner hole of the vertical telescopic lower arm (24) after installation. The vertical lifting assembly (16) includes a small roller (25) installed on the vertical telescopic upper arm (23), a large roller (27) installed on the vertical telescopic lower arm (24), a slider (34), a guide rail (35), a handle (31) for tightening and loosening the load line, and a load line (26) connecting the small roller (25) and the large roller (27). Multiple fixing holes (29) are opened on the vertical telescopic upper arm (23) and the vertical telescopic lower arm (24).

2. The tool for replacing the 10KV transformer in the power box according to claim 1, characterized in that: The translation mechanism (3) includes a horizontal indoor telescopic arm (14), a horizontal outdoor telescopic arm (15), and a horizontal translation component (17). The cross-sectional area of ​​the horizontal indoor telescopic arm (14) is larger than that of the horizontal outdoor telescopic arm (15). After installation, the horizontal outdoor telescopic arm (15) is embedded in the inner hole of the horizontal indoor telescopic arm (14). The horizontal translation component (17) includes multiple guide rail pulleys (21). Multiple fixing holes (29) are opened on the horizontal indoor telescopic arm (14) and the horizontal outdoor telescopic arm (15).

3. The tool for replacing the 10KV transformer in the power box according to claim 1, characterized in that: The rotating mechanism (4) is mounted on the horizontal translation component (17) of the translation mechanism (3), including a bearing (32) for connecting to the translation mechanism and a hook (28) for connecting to a hand-operated hoist to lift the transformer.

4. The power box transformer quick replacement tool of claim 1, wherein: The base (1) includes an outdoor support (11), an indoor support (12), rotatable rollers (13), and a connecting component (33) for connecting with the lifting mechanism (2).

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