Cooler eccentric support structure for transformer

Abstract

The utility model relates to a cooler eccentric support structure for a transformer, which comprises a main body connecting frame, an eccentric connecting frame, an upper pull rod, a lower pull rod, an oil tank and a cooler support, one side of the eccentric connecting frame is connected with the cooler support, the upper end of the other side of the eccentric connecting frame is connected with the oil tank upper eccentric frame, and the lower end of the other side of the eccentric connecting frame is connected with the oil tank lower eccentric frame. An upper pull rod is arranged at the upper end of the side, close to the oil tank upper eccentric frame, of the cooler support, a lower pull rod is arranged at the lower end of the cooler support, and the upper pull rod and the lower pull rod are both connected with the eccentric connecting frame. Eccentric installation of the cooler and the oil tank can be achieved, and flexible adjustment can be conducted according to the actual eccentric distance.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of transformer, specifically a kind of eccentric support structure for cooler of transformer. BACKGROUND

[0002] With the increase of 750kV UHV DC power transmission engineering of network side, the demand of 750kV converter transformer of network side also increases, but due to the distance requirement of each converter transformer in converter station is same, and the distance between fireproof wall on both sides of each converter transformer is limited, in many cases, according to the site layout requirements, the eccentric arrangement is needed between converter transformer oil tank and cooler, but the conventional cooler mounting structure cannot be assembled on the oil tank in this way, the fixed support with large eccentric size of such cooler in the past will adopt split structure, but it is not convenient for on-site installation and operation and maintenance work.

[0003] CN207781349U patent discloses a kind of novel air cooler support structure for transformer, it includes transformer oil tank, air cooler, upper bus tube and support part, the upper bus tube one end with the upper part of the air cooler is communicated, the other end with the transformer oil tank is communicated, the support part one end with the upper bus tube is fixed, the other end with the transformer oil tank is fixed, but the structure cannot meet the eccentric installation needs between cooler and oil tank.

[0004] CN220296914U patent discloses a kind of transformer cooler installation positioning structure, the structure can make the weight of cooler be dispersed and conducted to corresponding installation support through each positioning bowl, thereby improve the safety of bearing, and the structure is provided with long screw rod on the lower installation support of installation frame body, so that cooler slowly drops when hoisting, and the positioning bowl on the lower positioning support of cooler can be quickly sleeved on corresponding long screw rod and limit the horizontal degree of freedom of cooler, then cooler can be approximately vertically dropped and make the positioning bowl on the upper positioning support quickly and accurately sleeved on corresponding short screw rod to completely limit the horizontal degree of freedom of cooler, which not only ensures the positioning accuracy of positioning bowl, but also reduces installation time and improves installation efficiency. But the structure cannot meet the eccentric installation needs of cooler. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of eccentric support structure for cooler of transformer, which can realize the eccentric installation of cooler and oil tank, and can be flexibly adjusted according to actual eccentric distance.

[0006] The utility model aims at realizing by the following technical scheme:

[0007] The eccentric support structure of the cooler for a transformer comprises a main body connecting frame, an eccentric connecting frame, an upper pull rod, a lower pull rod, an oil tank and a cooler support, wherein the oil tank connecting end surface is connected with the cooler support through the main body connecting frame, the upper end of the oil tank connecting end surface on one side is provided with an upper eccentric frame of the oil tank, the lower end is provided with a lower eccentric frame of the oil tank, one side of the eccentric connecting frame is connected with the cooler support, the upper end of the other side of the eccentric connecting frame is connected with the upper eccentric frame of the oil tank, the lower end is connected with the lower eccentric frame of the oil tank, the upper end of the side close to the upper eccentric frame of the oil tank of the cooler support is provided with the upper pull rod, the lower end is provided with the lower pull rod, and the upper pull rod and the lower pull rod are connected with the eccentric connecting frame.

[0008] The upper end of the side of the cooler support close to the upper eccentric frame of the oil tank is provided with the upper pull rod, the lower end is provided with the lower pull rod, and the upper pull rod and the lower pull rod are connected with the eccentric connecting frame.

[0009] The upper end of the side of the cooler support close to the upper eccentric frame of the oil tank is provided with the upper pull rod, the lower end is provided with the lower pull rod, and the upper pull rod and the lower pull rod are connected with the eccentric connecting frame.

[0010] The upper pull rod and the lower pull rod are the same in structure and comprise a connecting sleeve, a first screw rod and a second screw rod, wherein the first screw rod is threadedly inserted into one end of the connecting sleeve, the second screw rod is threadedly inserted into the other end of the connecting sleeve, the first screw rod is provided with a first hinged ring at the end away from the connecting sleeve, and the second screw rod is provided with a second hinged ring at the end away from the connecting sleeve.

[0011] The upper end of the side of the cooler support close to the upper eccentric frame of the oil tank is provided with the upper pull rod, the lower end is provided with the lower pull rod, and the upper pull rod and the lower pull rod are connected with the eccentric connecting frame.

[0012] The upper end of the side of the cooler support close to the upper eccentric frame of the oil tank is provided with the upper pull rod, the lower end is provided with the lower pull rod, and the upper pull rod and the lower pull rod are connected with the eccentric connecting frame.

[0013] The upper end of the side of the cooler support close to the upper eccentric frame of the oil tank is provided with the upper pull rod, the lower end is provided with the lower pull rod, and the upper pull rod and the lower pull rod are connected with the eccentric connecting frame.

[0014] 1. The oil tank of the utility model is connected with the upper eccentric bracket of the oil tank by the upper connecting plate of the eccentric connecting frame and is connected with the lower eccentric bracket of the oil tank by the lower connecting plate of the eccentric connecting frame, and the upper pull rod and the lower pull rod of the cooler support near the upper eccentric bracket of the oil tank are connected with the eccentric connecting frame to ensure the tension balance, so that the eccentric installation requirement of the cooler and the oil tank is realized.

[0015] 2. The upper pull rod and the lower pull rod of the utility model are of the telescopic adjusting structure, and the two ends of the upper pull rod and the two ends of the lower pull rod are connected by the hinged rings, so that the length and the angle of the upper pull rod and the lower pull rod can be flexibly adjusted according to the eccentric distance requirement of the actual cooler and the oil tank, to ensure the tension balance of the whole frame body.

[0016] 3. The upper eccentric bracket of the oil tank and the lower eccentric bracket of the oil tank can be adjusted according to the actual requirement, so that the eccentric distance requirement of different coolers and oil tanks can be met, which further improves the use flexibility and the application range of the utility model.

[0017] 4. The main body connecting frame, the upper eccentric bracket of the oil tank, the lower eccentric bracket of the oil tank and the oil tank are separated, and the whole cooler can be moved together, so that the on-site installation and operation and maintenance work are facilitated. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 is a use state schematic view of the utility model,

[0019] Figure 2 is Figure 1 the top view of the utility model,

[0020] Figure 3 is Figure 2 the K view in it,

[0021] Figure 4 is Figure 1 the front view of the eccentric connecting frame in it,

[0022] Figure 5 is Figure 1 the structural schematic view of the upper pull rod in it.

[0023] Wherein, 1 is the upper eccentric bracket of oil tank, 101 is the upper eccentric connecting plate, 102 is the upper mounting plate, 2 is the lower eccentric bracket of oil tank, 201 is the lower eccentric connecting plate, 202 is the lower mounting plate, 3 is the eccentric connecting frame, 301 is the side inclined beam, 302 is the main inclined beam, 303 is the support beam, 304 is the lower connecting plate, 305 is the lower pipe connecting pipe, 306 is the upper pipe connecting plate, 307 is the upper connecting plate, 4 is the reinforcing connecting frame, 5 is the upper pull rod, 501 is the connecting pipe sleeve, 502 is the first screw rod, 503 is the second screw rod, 6 is the lower pull rod, 7 is the cooler support, 701 is the upper pipe of support, 702 is the lower pipe of support, 8 is the oil tank, 9 is the main connecting frame. DETAILED DESCRIPTION

[0024] The utility model will be further described in connection with the drawings.

[0025] As Figures 1-5 shown, the utility model discloses a main connecting frame 9, eccentric connecting frame 3, upper pull rod 5, lower pull rod 6, oil tank 8 and cooler support 7, wherein as Figures 1-2 shown, the oil tank 8 connection end face is connected with the cooler support 7 through the main connecting frame 9, as Figures 1-2 shown, the oil tank 8 connection end face one side upper end is equipped with the upper eccentric bracket 1 of oil tank, and the lower end is equipped with the lower eccentric bracket 2 of oil tank, and the eccentric connecting frame 3 one side is connected with the cooler support 7, and the eccentric connecting frame 3 other side upper end is connected with the upper eccentric bracket 1 of oil tank, and the lower end is connected with the lower eccentric bracket 2 of oil tank, as Figure 3 shown, the cooler support 7 is equipped with the upper pull rod 5 on the upper end of one side close to the upper eccentric bracket 1 of oil tank, and the lower end is equipped with the lower pull rod 6, and the upper pull rod 5 and the lower pull rod 6 are connected with the eccentric connecting frame 3, because the utility model sets up the cooler support 7 and the oil tank 8 eccentricity, sets up the upper pull rod 5 and the lower pull rod 6 on one side and can play the role of tension balance.

[0026] As Figure 2 shown, the cooler support 7 is used for supporting fixed cooler, and the cooler support 7 connection side upper end is equipped with the upper pipe 701 of support, and the lower end is equipped with the lower pipe 702 of support, as Figure 1As shown in the drawings, in the embodiment, the eccentric connecting frame 3 and the main body connecting frame 9 are the same in structure, and each comprises a triangular frame body formed by a main inclined beam 302, a side inclined beam 301 and a supporting beam 303, the triangular frame body structure can improve the supporting stability, the upper end of the main inclined beam 302 of the triangular frame body is provided with an upper pipe connecting plate 306 connected with the bracket upper pipe 701, the lower end of the main inclined beam 302 is provided with a lower connecting plate 304 connected with the oil tank 8, the lower connecting plate 304 of the eccentric connecting frame 3 is connected with the oil tank lower eccentric frame 2, the lower end of the side inclined beam 301 is provided with an upper connecting plate 307 connected with the oil tank 8, the upper connecting plate 307 of the eccentric connecting frame 3 is connected with the oil tank upper eccentric frame 1, and the lower end of the main inclined beam 302 is provided with a lower pipe connecting pipe 305 on the side away from the lower connecting plate 304, and the lower pipe connecting pipe 305 is connected with a corresponding pipe opening on the bracket lower pipe 702.

[0027] As shown in the drawings, Figure 4 and Figures 1-2 As shown in the drawings, in the embodiment, one end of the upper pull rod 5 is connected with the bracket upper pipe 701, and the other end is connected with the side inclined beam 301 on the eccentric connecting frame 3, one end of the lower pull rod 6 is connected with the bracket lower pipe 702, and the other end is connected with the lower connecting plate 304 at the lower end of the eccentric connecting frame 3.

[0028] As shown in the drawings, Figure 4 As shown in the drawings, in the embodiment, the upper pull rod 5 and the lower pull rod 6 are the same in structure, and each comprises a connecting sleeve 501, a first screw rod 502 and a second screw rod 503, the first screw rod 502 is threadedly inserted into one end of the connecting sleeve 501, the second screw rod 503 is threadedly inserted into the other end of the connecting sleeve 501, and the length of the entire pull rod can be changed according to actual needs by rotating the first screw rod 502 and the second screw rod 503, so that the tensioning balance requirement of one end of the cooler bracket 7 and the eccentric connecting frame 3 can be met, and the different eccentric distance requirements between the cooler and the oil tank 8 can also be met.

[0029] As shown in the drawings, Figure 5 As shown in the drawings, in the embodiment, the first screw rod 502 is provided with a first hinge ring at the end away from the connecting sleeve 501, and the first hinge ring is connected with the bracket upper pipe 701 or the bracket lower pipe 702 through bolts, the second screw rod 503 is provided with a second hinge ring at the end away from the connecting sleeve 501, and the second hinge ring is connected with the corresponding part on the eccentric connecting frame 3 through bolts, so that the angles of the two ends of the upper pull rod 5 and the two ends of the lower pull rod 6 can also be adjusted after the overall length is changed, and the installation tensioning is not affected.

[0030] As shown in the drawings, Figure 5As shown, in this embodiment, one end of the eccentric frame 1 on the fuel tank is provided with an upper mounting plate 102, which is correspondingly and fixedly connected to the upper connecting plate 307 on the eccentric connecting frame 3. The other end of the eccentric frame 1 on the fuel tank is provided with an upper eccentric connecting plate 101, which is connected to the upper connecting seat on the end face of the fuel tank 8. The upper eccentric connecting plate 101 has multiple sets of upper adjustment mounting holes along its length, allowing the upper connecting plate 307 to flexibly extend and retract to adjust its installation position as needed. Once the position is determined, the fixing bolts are passed through the corresponding upper adjustment mounting holes and fixedly connected to the upper connecting seat of the fuel tank 8. Similarly... Figure 3 As shown, one end of the lower eccentric frame 2 of the oil tank is provided with a lower mounting plate 202, which is connected to the lower connecting plate 304 on the eccentric connecting frame 3. The other end of the lower eccentric frame 2 of the oil tank is provided with a lower eccentric connecting plate 201, which is connected to the lower connecting seat on the end face of the oil tank 8. Furthermore, the lower eccentric connecting plate 201 has multiple sets of lower adjustment mounting holes along its length. This utility model, through the above structure, allows for flexible adjustment of the eccentric mounting distance between the cooler bracket 7 and the oil tank 8 according to actual needs. Combined with the flexible extension and angle adjustment of the upper pull rod 5 and the lower pull rod 6, this greatly improves the flexibility and applicability of this utility model.

[0031] like Figure 3 As shown, in this embodiment, reinforcing connecting frames 4 are provided between adjacent main connecting frames 9 and between the eccentric connecting frame 3 and adjacent main connecting frames 9 to further ensure the support strength of the entire frame structure.

[0032] The working principle of this utility model is as follows:

[0033] like Figure 2 As shown, in addition to being connected to the cooler bracket 7 via the main connecting frame 9, the oil tank 8 of this utility model also has an upper eccentric frame 1 and a lower eccentric frame 2 on the upper end of one side of the connecting end face of the oil tank 8. The upper end of one side of the eccentric connecting frame 3 has an upper connecting plate 307 connected to the upper eccentric frame 1, and the lower end has a lower connecting plate 304 connected to the lower eccentric frame 2. The other side of the eccentric connecting frame 3 is connected to the cooler bracket 7. Thus, it is as follows... Figures 1-5 The diagram shows that the cooler and oil tank 8 can be installed in a relatively eccentric manner.

[0034] like Figure 2 As shown, this utility model has an upper pull rod 5 and a lower pull rod 6 on the side of the cooler bracket 7 near the eccentric frame 1 on the oil tank, which are used to tighten and balance the entire frame structure. Figures 1-2 As shown, the overall length of the upper pull rod 5 and the lower pull rod 6 can be adjusted according to actual needs by turning the first screw 502 and the second screw 503. Simultaneously, the hinge rings at the outer ends of the first screw 502 and the second screw 503 can achieve adaptive angle adjustment after extension and retraction. Figure 5 Figure 3As shown, the extension distance of the upper eccentric bracket 1 and the lower eccentric bracket 2 of the oil tank is also adjusted according to actual needs, so that the utility model can be flexibly adjusted according to the eccentric distance requirements of different coolers and the oil tank 8, and meanwhile, the support strength of the whole bracket body is not affected.

Claims

1. An eccentric support structure for a transformer cooler, characterized in that: The system includes a main connecting frame (9), an eccentric connecting frame (3), an upper pull rod (5), a lower pull rod (6), an oil tank (8), and a cooler bracket (7). The connecting end face of the oil tank (8) is connected to the cooler bracket (7) through the main connecting frame (9). The upper end of one side of the connecting end face of the oil tank (8) is provided with an upper eccentric frame (1) and the lower end is provided with a lower eccentric frame (2). One side of the eccentric connecting frame (3) is connected to the cooler bracket (7). The upper end of the other side of the eccentric connecting frame (3) is connected to the upper eccentric frame (1) of the oil tank and the lower end is connected to the lower eccentric frame (2) of the oil tank. The upper end of the cooler bracket (7) near the upper eccentric frame (1) of the oil tank is provided with an upper pull rod (5) and the lower end is provided with a lower pull rod (6). Both the upper pull rod (5) and the lower pull rod (6) are connected to the eccentric connecting frame (3).

2. The eccentric support structure for a transformer cooler according to claim 1, characterized in that: The cooler bracket (7) has an upper bracket tube (701) at the upper end and a lower bracket tube (702) at the lower end on the connecting side. The eccentric connecting frame (3) includes a triangular frame formed by a main inclined beam (302), a side inclined beam (301) and a support beam (303). The upper end of the main inclined beam (302) of the triangular frame is provided with an upper tube connecting plate (306) connected to the upper bracket tube (701). The lower end of the main inclined beam (302) is provided with a lower connecting plate (304) connected to the lower eccentric frame (2) of the oil tank. The lower end of the side inclined beam (301) is provided with an upper connecting plate (307) connected to the upper eccentric frame (1) of the oil tank. The lower end of the main inclined beam (302) away from the lower connecting plate (304) is provided with a lower tube connecting pipe (305) connected to the corresponding pipe opening on the lower bracket tube (702).

3. The eccentric support structure for a transformer cooler according to claim 2, characterized in that: One end of the upper pull rod (5) is connected to the upper tube (701) of the bracket, and the other end is connected to the side inclined beam (301) on the eccentric connecting frame (3). One end of the lower pull rod (6) is connected to the lower tube (702) of the bracket, and the other end is connected to the lower connecting plate (304) at the lower end of the eccentric connecting frame (3).

4. The eccentric support structure for a transformer cooler according to claim 3, characterized in that: The upper pull rod (5) and the lower pull rod (6) have the same structure, both including a connecting sleeve (501), a first screw (502) and a second screw (503). The first screw (502) is threaded into one end of the connecting sleeve (501), and the second screw (503) is threaded into the other end of the connecting sleeve (501). The first screw (502) has a first hinge ring at the end away from the connecting sleeve (501), and the second screw (503) has a second hinge ring at the end away from the connecting sleeve (501).

5. The eccentric support structure for a transformer cooler according to claim 1, characterized in that: The upper eccentric frame (1) of the oil tank has an upper mounting plate (102) at one end connected to the eccentric connecting frame (3), and an upper eccentric connecting plate (101) at the other end connected to the oil tank (8). The upper eccentric connecting plate (101) has multiple sets of upper adjustment mounting holes along the length direction. The lower eccentric frame (2) of the oil tank has a lower mounting plate (202) at one end connected to the eccentric connecting frame (3), and a lower eccentric connecting plate (201) at the other end connected to the oil tank (8). The lower eccentric connecting plate (201) has multiple sets of lower adjustment mounting holes along the length direction.

6. The eccentric support structure for a transformer cooler according to claim 1, characterized in that: A reinforcing connecting frame (4) is provided between adjacent main connecting frames (9) and between the eccentric connecting frame (3) and adjacent main connecting frames (9).

Images