Maintenance platform structure for power transformer and use method

Abstract

The invention relates to a maintenance platform structure for a power transformer and a using method, and belongs to the technical field of transformer manufacturing. According to the technical scheme, a cooling platform (2) is arranged between a cooler (13) of the transformer and a box body (12) of the transformer, and the cooling platform is fixed on a cooler support (11) of the transformer and the box body of the transformer; a cantilever beam (14) is arranged on a box body of the transformer, an auxiliary equipment platform (3) is arranged on the cantilever beam, and the auxiliary equipment platform is located below an auxiliary device of the transformer. The cooling platform and the auxiliary equipment platform are connected into a whole and form a whole with a box body of the transformer, and a transition ladder (1) is arranged between the box body of the transformer and the cooling platform. The transformer maintenance platform has the advantages that the transformer is provided with the maintenance platform, safety of workers in the maintenance process is improved, customer requirements are met, walking routes of the workers are reduced, and the number of ladders is reduced; not only is the manufacturing cost of the transformer reduced, but also the maintenance cost of the transformer is reduced.

Description

Technical Field

[0001] The invention relates to a maintenance platform structure for a power transformer and a use method thereof, belonging to the technical field of transformers. Background Art

[0002] With the development of power technology and the continuous improvement of power quality, the safety of transformers during maintenance has received more and more attention. A cooler bracket is provided on one side of the transformer box, and the cooler of the transformer is installed on the cooler bracket. The auxiliary devices of the transformer (including oil pumps, fans, motors and pipes, etc., for heat dissipation and transportation of cooling media) are installed on the box next to the cooler. At present, Hong Kong, China and other regions have required the installation of a maintenance platform on the side of the auxiliary device of the transformer. The maintenance platform is an integral part of the transformer itself and can be used for a long time. The purpose is to prevent workers from falling, thereby improving the safety of workers. The existing power transformer itself is not equipped with a maintenance platform. The maintenance platforms designed by people are temporary safety measures used when the transformer needs to be repaired after it is put into use. For example, Chinese patents CN202022778692.6 are named "A foldable maintenance platform for transformers", CN202311625798.4 are named "A maintenance platform for high-altitude transformers", and CN201721468616.7 are named "A maintenance platform for large transformers". How to meet customer needs and provide a maintenance platform on transformer products to improve safety performance is a technical problem that needs to be solved urgently in this field. Summary of the invention

[0003] The purpose of the present invention is to provide a maintenance platform structure and a use method for a power transformer. The transformer has its own maintenance platform. A cooling platform and an auxiliary equipment platform are arranged between a cooler bracket and a box body of the transformer. The cooling platform and the auxiliary equipment platform are connected as one and form a whole with the box body of the transformer. A transition ladder is arranged between the box body of the transformer and the cooling platform to improve the safety of the staff during the maintenance process, meet the needs of customers, and solve the above-mentioned technical problems existing in the prior art.

[0004] The technical solution of the present invention is: A maintenance platform structure for a power transformer, wherein a cooler bracket is provided on one side of a transformer box, a cooler of the transformer is mounted on the cooler bracket, and an auxiliary device of the transformer is mounted on a box next to the cooler; the special features of the structure are as follows: a cooling platform is provided between the cooler of the transformer and the transformer box, the cooling platform is fixed on the cooler bracket of the transformer and the transformer box, and the cooler bracket serves as a supporting point for the cooling platform; a cantilever beam is provided on the transformer box, an auxiliary equipment platform is provided on the cantilever beam, the auxiliary equipment platform is located below the auxiliary device of the transformer, and the cantilever beam serves as a supporting point for the auxiliary equipment platform; the cooling platform is connected to the auxiliary equipment platform and forms a whole with the transformer box, and a transition ladder is provided between the transformer box and the cooling platform.

[0005] A support frame is arranged below the auxiliary equipment platform, and the support frame is arranged on the installation bottom plate of the transformer. The cantilever beam and the support frame support the auxiliary equipment platform together, thereby meeting the strength requirement.

[0006] The cooling platform and the auxiliary equipment platform are both provided with guardrails.

[0007] The cooling platform and the auxiliary equipment platform are both formed of plane frames by I-beams, steel belts are laid on the upper surface of the plane frames, and steel plate meshes are arranged on the steel belts.

[0008] The guardrail is installed on the I-beam through a fixing piece to play a role in protecting the safety of the staff.

[0009] The four sides of the plane frame are compressed with the steel plate mesh by means of fixing plates, and the fixing plates are installed on the guardrail.

[0010] A method for using a maintenance platform structure for a power transformer, wherein the transformer is provided with a maintenance platform, and when the product leaves the factory, the cooling platform is connected to an auxiliary equipment platform as a whole and forms a whole with a transformer box, and a transition ladder is arranged between the transformer box and the cooling platform; a worker passes through the transition ladder from the box to the cooling platform, and then passes through the cooling platform to the auxiliary equipment platform for maintenance and repair; the walking route of the worker is reduced, and the number of ladders is reduced; both the manufacturing cost of the transformer and the maintenance cost of the transformer are reduced.

[0011] The auxiliary equipment platform is supported by a cantilever beam and a support frame on the transformer box body, and the box body, the cooling platform and the auxiliary equipment platform are connected as a whole through a transition ladder.

[0012] The steel strip is welded on the I-beam, and the steel plate mesh is laid on the steel strip.

[0013] The positive effects of the present invention are as follows: the transformer has its own maintenance platform, a cooling platform and an auxiliary equipment platform are arranged between the cooler bracket and the box body of the transformer, the cooling platform and the auxiliary equipment platform are connected as one, and form a whole with the box body of the transformer, a transition ladder is arranged between the box body of the transformer and the cooling platform, the safety of the staff during the maintenance process is improved, the needs of customers are met, the walking routes of the staff are reduced, and the number of ladders is reduced; both the manufacturing cost of the transformer and the maintenance cost of the transformer are reduced. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a front view of a transformer cooling platform according to an embodiment of the present invention; Figure 2 It is a left view of the transformer cooling platform according to an embodiment of the present invention; Figure 3 A top view of a transformer cooling platform according to an embodiment of the present invention; Figure 4 This is a front view of a transformer auxiliary equipment platform according to an embodiment of the present invention; Figure 5 A top view of a transformer steel plate mesh according to an embodiment of the present invention; In the figure: transition ladder 1, cooling platform 2, auxiliary equipment platform 3, guardrail 4, fixing plate 5, support frame 6, fixing part 7, I-beam 8, steel belt 9, steel plate mesh 10, cooler bracket 11, box 12, cooler 13, cantilever beam 14. DETAILED DESCRIPTION

[0015] The present invention will be further described below through embodiments in conjunction with the accompanying drawings.

[0016] A maintenance platform structure for a power transformer, wherein a cooler bracket 11 is provided on one side of a transformer box 12, a cooler 13 of the transformer is mounted on the cooler bracket 11, and an auxiliary device of the transformer is mounted on the box 12 next to the cooler; the special features of the structure are as follows: a cooling platform 2 is provided between the cooler 13 of the transformer and the box 12 of the transformer, the cooling platform 2 is fixed on the cooler bracket 11 of the transformer and the box 12 of the transformer, and the cooler bracket 11 serves as a supporting point for the cooling platform 2; a cantilever beam 14 is provided on the box 12 of the transformer, an auxiliary equipment platform 3 is provided on the cantilever beam 14, the auxiliary equipment platform 3 is located below the auxiliary device of the transformer, and the cantilever beam 14 serves as a supporting point for the auxiliary equipment platform 3; the cooling platform 2 is connected to the auxiliary equipment platform 3 as a whole and forms a whole with the box 12 of the transformer, and a transition ladder 1 is provided between the box 12 of the transformer and the cooling platform 2.

[0017] A support frame 6 is disposed below the auxiliary equipment platform 3 , and the support frame 6 is disposed on the installation base plate of the transformer. The cantilever beam 14 and the support frame 6 support the auxiliary equipment platform 3 together, thereby meeting the strength requirement.

[0018] The cooling platform 2 and the auxiliary equipment platform 3 are both provided with guardrails 4 .

[0019] The cooling platform 2 and the auxiliary equipment platform 3 are both formed of a plane frame by an I-beam 8, a steel belt 9 is laid on the upper surface of the plane frame, and a steel plate mesh 10 is arranged on the steel belt 9.

[0020] The guardrail 4 is installed on the I-beam 8 through the fixing member 7 to play a role in the safety protection of the staff.

[0021] The steel plate mesh 10 is pressed against the four sides of the plane frame by fixing plates 5 , and the fixing plates 5 are installed on the guardrail 4 .

[0022] A method for using a maintenance platform structure for a power transformer, wherein the transformer is provided with a maintenance platform, wherein a cooling platform 2 and an auxiliary equipment platform 3 are connected as a whole with a transformer box 12 when the product leaves the factory, and form a whole with the transformer box 12, wherein a transition ladder 1 is arranged between the transformer box 12 and the cooling platform 2; a worker passes through the transition ladder 1 from the box 12 to the cooling platform 2, and then passes through the cooling platform 2 to the auxiliary equipment platform 3 to perform maintenance and inspection; the walking route of the worker is reduced, and the number of ladders is reduced; and both the manufacturing cost of the transformer and the maintenance cost of the transformer are reduced.

[0023] The auxiliary equipment platform 3 is supported by the cantilever beam 14 and the support frame 6 on the transformer box, and the box 12, the cooling platform 2 and the auxiliary equipment platform are connected as a whole through the transition ladder 1.

[0024] The steel strip 9 is welded to the I-steel 8 , and the steel plate mesh 10 is laid on the steel strip 9 .

[0025] like Figure 1 As shown in the main view of the cooling platform, in this embodiment, the I-beam 8, the steel belt 9 and the fixing part 7 are welded together to form a base, the guardrail 4 is fixed to the fixing part 7 by fasteners, and the guardrails are connected with fasteners. The steel plate mesh 10 is laid on the steel belt 9 and fixed with the fixing plate 5 to form a whole with the cooler bracket 11 and the box body 12.

[0026] like Figure 2 As shown in the left view of the cooling platform, in this embodiment, one end of the transition ladder 1 is fixed to the box body 12, and the other end is fixed to the cooling platform 2. The surrounding area is reinforced with a guardrail 4, the fixing plate 5 is fixed to the guardrail 4, and the I-beam 8 and the steel belt 9 are placed on the cooler bracket 11.

[0027] like Figure 3As shown in the top view of the cooling platform, in this embodiment, the transition ladder 1, the cooling platform 2, the auxiliary equipment platform 3, the cooler bracket 11 and the box body 12 are connected by the fixing parts 7 and fasteners to form an integrated maintenance passage to ensure the safety of the staff.

[0028] like Figure 4 Front view of the auxiliary equipment platform. In this embodiment, the auxiliary equipment platform 3 is composed of the guardrail 4, the fixing plate 5, the support frame 6, the I-beam 8, the steel belt 9 and the box 12. The auxiliary equipment platform 3 is supported by the cantilever beam of the box 12 and the support frame 6, thereby meeting the strength requirements.

[0029] like Figure 5 As shown, the steel plate mesh 10 is laid on the steel belt 9 and fixed with fixing parts and fixing plates, which is convenient for workers to work on it and prevents large objects from falling. The fixing plate 5 can prevent the feet from extending out of the platform.

Claims

1. A maintenance platform structure for a power transformer, wherein a cooler bracket (11) is provided on one side of a transformer box (12), a cooler (13) of the transformer is mounted on the cooler bracket (11), and an auxiliary device of the transformer is mounted on the box (12) next to the cooler; characterized in that: A cooling platform (2) is arranged between the cooler (13) of the transformer and the transformer box (12), the cooling platform (2) being fixed on the cooler bracket (11) of the transformer and the transformer box (12), the cooler bracket (11) serving as a supporting point of the cooling platform (2); a cantilever beam (14) is arranged on the transformer box (12), an auxiliary equipment platform (3) is arranged on the cantilever beam (14), the auxiliary equipment platform (3) is located below the auxiliary device of the transformer, the cantilever beam (14) serving as a supporting point of the auxiliary equipment platform (3); the cooling platform (2) and the auxiliary equipment platform (3) are connected as a whole and form a whole with the transformer box (12), and a transition ladder (1) is arranged between the transformer box (12) and the cooling platform (2).

2. The maintenance platform structure for a power transformer according to claim 1, characterized in that: A support frame (6) is arranged below the auxiliary equipment platform (3), the support frame (6) is arranged on a mounting base plate of the transformer, and the cantilever beam (14) and the support frame (6) together support the auxiliary equipment platform (3).

3. A maintenance platform structure for a power transformer according to claim 1 or 2, characterized in that: Guardrails (4) are provided on both the cooling platform (2) and the auxiliary equipment platform (3).

4. The maintenance platform structure for a power transformer according to claim 3 is characterized in that: The cooling platform (2) and the auxiliary equipment platform (3) are both formed of a plane frame made of I-beams (8), a steel belt (9) is laid on the upper surface of the plane frame, and a steel plate mesh (10) is arranged on the steel belt (9).

5. The maintenance platform structure for a power transformer according to claim 4, characterized in that: The guardrail (4) is mounted on the I-beam (8) via a fixing member (7).

6. The maintenance platform structure for a power transformer according to claim 5, characterized in that: The four sides of the plane frame are compressed with the steel plate mesh (10) by means of a fixing plate (5), and the fixing plate (5) is mounted on the guardrail (4).

7. A method for using a maintenance platform structure for a power transformer according to any one of claims 1 to 6, characterized in that: The transformer has a built-in maintenance platform. When the product leaves the factory, the cooling platform (2) and the auxiliary equipment platform (3) are connected as a whole and form a whole with the transformer box (12). A transition ladder (1) is provided between the transformer box (12) and the cooling platform (2). The staff can reach the cooling platform (2) from the box (12) via the transition ladder (1), and then reach the auxiliary equipment platform (3) from the cooling platform (2) to perform maintenance.

8. The method for using the maintenance platform structure for a power transformer according to claim 7, characterized in that: The auxiliary equipment platform (3) is supported by a cantilever beam (14) and a support frame (6) on the transformer box, and the box (12), the cooling platform (2) and the auxiliary equipment platform are connected as a whole via a transition ladder (1).

Images