Transformer convenient to take and install on construction site

Abstract

The transformer comprises a transformer cabinet body, a connecting groove is formed in the inner bottom of the transformer cabinet body, a connecting block is connected to the interior of the connecting groove in a clamped mode, a supporting plate is fixedly arranged on one side of the connecting block, a second movable groove is formed in the top of the supporting plate, and a first movable groove is formed in the top of the second movable groove. A first movable groove is formed in the inner bottom of the transformer cabinet body, rolling wheels are slidably connected into the first movable groove, a mounting plate is fixedly arranged at the tops of the rolling wheels, and a transformer body is fixedly connected to the top of the mounting plate. Through the design, under the action of the supporting plate, the second movable groove, the connecting block, the connecting groove, the first movable groove, the rolling wheels and the mounting plate, when the transformer body in the transformer cabinet body is cleaned and maintained, the cabinet top and the cabinet wall of the transformer cabinet body do not need to be completely dismantled, and the transformer body is hoisted out from the upper portion of the cabinet top; and therefore, the transformer body is convenient to take and assemble, and the working efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the field related to transformer installation, in particular to a transformer which is convenient for installation at a construction site. Background Art

[0002] At present, dry-type rectifier transformers are mainly used in the excitation system of generators, electrochemical industry, mines or DC power grids of electric locomotives on railways. With the rapid development of modern power electronics and microelectronics technology, variable frequency speed regulation devices have continued to mature, and their application fields and scopes have become more and more extensive, which makes it possible to use energy efficiently and rationally, especially electric energy. Variable frequency speed regulation has also been included in one of the three resource conservation and comprehensive utilization technology transformation demonstrations organized and implemented by the state. It is a device that converts industrial frequency power supply (50Hz or 60Hz) into AC power supply of various frequencies to achieve variable speed operation of the motor. The rectifier circuit converts AC into DC, the DC intermediate current smoothes and filters the output of the rectifier circuit, and the inverter circuit inverts DC into AC with controllable frequency and voltage. As an important component in the variable frequency speed regulation device, the dry-type rectifier transformer for variable frequency speed regulation is a transformer widely used in social production.

[0003] The existing dry-type transformer must be connected with the electrical control cabinet during installation and use. Therefore, the transformers in the industry are now fixedly installed in the transformer cabinet. Since the electrical cabinet is arranged around the transformer cabinet, when the transformer needs to be taken out for cleaning and maintenance, other components in the cabinet must be removed on a large scale, the cabinet top and cabinet walls must be completely removed, and the transformer must be lifted out from above the cabinet top, which makes it very inconvenient to take out the transformer. Based on this, the utility model provides a transformer that is easy to take out and install at a construction site. Utility Model Content

[0004] In order to overcome the deficiencies of the prior art, the utility model proposes a transformer that is easy to take out and install at a construction site to solve the above problems.

[0005] In order to solve the above technical problems, the utility model provides the following technical solutions: a transformer that is easy to take and install at a construction site, comprising a transformer cabinet, a connecting groove is provided at the inner bottom of the transformer cabinet, a connecting block is snap-connected inside the connecting groove, a support plate is fixedly provided on one side of the connecting block, a second movable groove is provided on the top of the support plate, a first movable groove is provided at the inner bottom of the transformer cabinet, a roller is slidably connected inside the first movable groove, a mounting plate is fixedly provided on the top of the roller, a transformer body is fixedly connected to the top of the mounting plate, a fixing mechanism is provided on the inner side of the transformer cabinet, and the fixing mechanism is used for limiting and fixing the mounting plate.

[0006] As a preferred technical solution of the utility model, the fixing mechanism includes a mounting plate, a fixing plate, a fixed slide rod, a locking block, a return spring, a connecting pull block, and a fixed plug rod. The side surface of the fixing plate is fixedly connected to the transformer cabinet, the fixing plate is internally slidably connected with a fixed slide rod, the bottom of the fixed slide rod is fixedly provided with a locking block, the outer surface of the fixed slide rod is sleeved with a return spring, the top of the mounting plate is provided with a positioning hole, and the positioning hole is locked and connected with the locking block, the top of the fixed slide rod is fixedly provided with a connecting pull block, the inside of the connecting pull block is slidably connected with a fixed plug rod, the side of the transformer cabinet is provided with a fixed slot, and the fixed slot is locked and connected with the fixed plug rod.

[0007] As a preferred technical solution of the utility model, a rubber ring is provided on the contact surface between the fixed plug rod and the connecting pull block, and the inner diameter of the fixed slot is matched with the front end diameter of the fixed plug rod.

[0008] As a preferred technical solution of the utility model, the cross section of the engaging block is T-shaped, and the lower diameter of the engaging block is matched with the inner diameter of the positioning hole.

[0009] As a preferred technical solution of the utility model, the top of the support plate is flush with the inner bottom of the transformer cabinet, and the inner bottom of the second movable groove is flush with the inner bottom of the first movable groove.

[0010] As a preferred technical solution of the utility model, a pull ring is fixedly provided on the front side of the mounting plate, and the pull ring is arranged in a U shape.

[0011] Compared with the prior art, the utility model can achieve the following beneficial effects:

[0012] 1. Through this design, under the action of the support plate, the second movable groove, the connecting block, the connecting groove, the first movable groove, the roller and the mounting plate, it is solved that when cleaning and maintaining the transformer body inside the transformer cabinet, there is no need to completely remove the cabinet top and cabinet wall of the transformer cabinet, and the transformer body is lifted out from above the cabinet top, thereby realizing convenient installation and removal of the transformer body and improving its work efficiency.

[0013] 2. Through this design, under the action of the fixing mechanism, the transformer body on the mounting plate can provide stability when placed inside the transformer cabinet. At the same time, under the snap connection between the fixing rod and the fixing slot, it can be ensured that when the transformer body on the mounting plate is moved out of the transformer cabinet, the fixing mechanism and the mounting plate cannot touch each other, thereby making it convenient for the transformer body on the mounting plate to be moved out of the transformer cabinet. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the cross-section front view structure of the utility model;

[0015] Figure 2 For the utility model Figure 1 A is an enlarged schematic diagram of the three-dimensional structure;

[0016] Figure 3 For the utility model Figure 1 The second side view structural diagram of the invention;

[0017] Figure 4 It is a schematic diagram of the cross-sectional top view of the mounting plate of the utility model.

[0018] Among them: 1. Transformer cabinet; 2. Transformer body; 3. Support plate; 31. Second movable groove; 32. Connecting block; 33. Connecting groove; 4. First movable groove; 5. Roller; 6. Mounting plate; 61. Positioning hole; 7. Fixed plate; 8. Fixed slide rod; 9. Engaging block; 10. Reset spring; 11. Connecting pull block; 12. Fixed plug rod; 13. Fixed slot. DETAILED DESCRIPTION

[0019] In order to make the technical means, creative features, purpose and efficacy of the utility model easy to understand, the utility model is further described below in conjunction with specific embodiments, but the following embodiments are only preferred embodiments of the utility model, not all. Based on the embodiments in the implementation mode, other embodiments obtained by those skilled in the art without creative work are all within the scope of protection of the utility model. The experimental methods in the following embodiments are conventional methods unless otherwise specified, and the materials, reagents, etc. used in the following embodiments are all commercially available unless otherwise specified.

[0020] Embodiment:

[0021] like Figure 1-4As shown, the utility model provides a transformer which is easy to take and install at a construction site, including a transformer cabinet 1, a connecting groove 33 is provided at the inner bottom of the transformer cabinet 1, a connecting block 32 is connected to the inner part of the connecting groove 33 by snapping, a support plate 3 is fixedly provided on one side of the connecting block 32, a second movable groove 31 is provided on the top of the support plate 3, a first movable groove 4 is provided at the inner bottom of the transformer cabinet 1, a roller 5 is slidably connected to the inner part of the first movable groove 4, a mounting plate 6 is fixedly provided on the top of the roller 5, a transformer body 2 is fixedly connected to the top of the mounting plate 6, a fixing mechanism is provided on the inner side of the transformer cabinet 1, and the fixing mechanism is used for limiting and fixing the mounting plate 6; when the transformer body 2 on the mounting plate 6 is removed, the connecting block 32 on the side of the support plate 3 is snap-connected with the connecting groove 33 at the inner bottom of the transformer cabinet 1, so that the connection stability between the support plate 3 and the transformer cabinet 1 can be improved. The utility model discloses a method for disassembling and assembling the transformer body 2 of the transformer cabinet 1 of the embodiment of the present invention. ...

[0022] The fixing mechanism includes a mounting plate 6, a fixing plate 7, a fixing slide bar 8, a snap-fit ​​block 9, a reset spring 10, a connecting pull block 11, and a fixing plug rod 12. The side of the fixing plate 7 is fixedly connected to the transformer cabinet 1. The fixing plate 7 is internally slidably connected to the fixing slide bar 8. The bottom of the fixing slide bar 8 is fixedly provided with a snap-fit ​​block 9. The outer surface of the fixing slide bar 8 is sleeved with a reset spring 10. The top of the mounting plate 6 is provided with a positioning hole 61, and the positioning hole 61 is snap-fitted with the snap-fit ​​block 9. The top of the fixing slide bar 8 is fixedly provided with a connecting rod 12. The connecting pull block 11 is connected to a fixed plug rod 12 in a sliding manner inside the connecting pull block 11. A fixed slot 13 is provided on the side of the transformer cabinet 1, and the fixed slot 13 is engaged with the fixed plug rod 12; when the transformer body 2 on the mounting plate 6 is installed inside the transformer cabinet 1, the engaging block 9 can be moved downward under the elastic deformation of the reset spring 10, so that the engaging block 9 is engaged and connected with the positioning hole 61 on the mounting plate 6, so that the mounting plate 6 is limited, thereby ensuring that the mounting plate 6 is fixed in the transformer cabinet. 1, and when the transformer body 2 on the mounting plate 6 is moved out of the transformer cabinet 1, the connecting pull block 11 is pulled upward, and when the connecting pull block 11 moves, the fixed slide bar 8 and the locking block 9 are driven to move, so that the locking block 9 is separated from the positioning hole 61, and then the fixed plug rod 12 on the connecting pull block 11 is moved, so that the fixed plug rod 12 is engaged with the fixed slot 13 on the side of the transformer cabinet 1. In this way, the locking block 9 is limited to prevent the locking block 9 from being engaged with the positioning hole 61 under the elastic deformation of the reset spring 10. Through this design, under the action of the fixing mechanism, the transformer body 2 on the mounting plate 6 can provide stability when it is placed inside the transformer cabinet 1. At the same time, under the locking connection of the fixing plug rod 12 and the fixing slot 13, it can be ensured that when the transformer body 2 on the mounting plate 6 is moved out of the transformer cabinet 1, the fixing mechanism and the mounting plate 6 cannot touch each other, thereby making it convenient for the transformer body 2 on the mounting plate 6 to be moved out of the transformer cabinet 1.

[0023] The contact surface between the fixed rod 12 and the connecting block 11 is provided with a rubber ring, and the inner diameter of the fixed slot 13 is adapted to the front end diameter of the fixed rod 12; by providing the rubber ring, the stability of the fixed rod 12 when placed inside the connecting block 11 can be improved, and its stability can be guaranteed in the absence of external forces. And when the sizes of the fixed slot 13 and the fixed rod 12 are adapted, the firmness of the connection between the fixed rod 12 and the fixed slot 13 can be improved.

[0024] Among them, the cross-section of the snap-fit ​​block 9 is set in a T-shape, and the lower diameter of the snap-fit ​​block 9 is adapted to the inner diameter of the positioning hole 61; by adapting the sizes of the snap-fit ​​block 9 and the positioning hole 61, the snap-fit ​​connection between the snap-fit ​​block 9 and the positioning hole 61 can be made more secure.

[0025] Among them, the top of the support plate 3 is set flush with the inner bottom of the transformer cabinet 1, and the inner bottom of the second movable groove 31 is set flush with the inner bottom of the first movable groove 4; by setting the position of the support plate 3, the mounting plate 6 can slide on the support plate 3, so that the roller 5 can move in position inside the second movable groove 31.

[0026] Among them, a pull ring is fixedly provided on the front side of the mounting plate 6, and the pull ring is set in a U shape; by setting the pull ring, the traction rope can conveniently fix the mounting plate 6, and then the transformer body 2 thereon can be conveniently moved to the support plate 3.

[0027] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0028] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A transformer that is easy to install at a construction site, comprising a transformer cabinet (1), characterized in that: The transformer cabinet (1) is provided with a connection groove (33) at the inner bottom thereof, a connection block (32) is snap-connected inside the connection groove (33), a support plate (3) is fixedly provided on one side of the connection block (32), a second movable groove (31) is provided on the top of the support plate (3), a first movable groove (4) is provided at the inner bottom thereof, a roller (5) is slidably connected inside the first movable groove (4), a mounting plate (6) is fixedly provided on the top of the roller (5), a transformer body (2) is fixedly connected to the top of the mounting plate (6), a fixing mechanism is provided on the inner side of the transformer cabinet (1), and the fixing mechanism is used for limiting and fixing the mounting plate (6).

2. A transformer that is easy to install at a construction site according to claim 1, characterized in that: The fixing mechanism comprises a mounting plate (6), a fixing plate (7), a fixing slide bar (8), a snap-fit ​​block (9), a return spring (10), a connecting pull block (11), and a fixing plug rod (12). The side of the fixing plate (7) is fixedly connected to the transformer cabinet (1). The fixing plate (7) is internally slidably connected with the fixing slide bar (8). The bottom of the fixing slide bar (8) is fixedly provided with a snap-fit ​​block (9). The outer surface of the fixing slide bar (8) is sleeved with a return spring (10). The top of the mounting plate (6) is provided with a positioning hole (61), and the positioning hole (61) is snap-fitted with the snap-fit ​​block (9). The top of the fixing slide bar (8) is fixedly provided with a connecting pull block (11), and the inside of the connecting pull block (11) is slidably connected with the fixing plug rod (12). The side of the transformer cabinet (1) is provided with a fixing slot (13), and the fixing slot (13) is snap-fitted with the fixing plug rod (12).

3. A transformer that is easy to install at a construction site according to claim 2, characterized in that: A rubber ring is provided on the contact surface between the fixed insertion rod (12) and the connecting pull block (11), and the inner diameter of the fixed insertion slot (13) is adapted to the front end diameter of the fixed insertion rod (12).

4. A transformer that is easy to install at a construction site according to claim 2, characterized in that: The cross section of the locking block (9) is T-shaped, and the lower diameter of the locking block (9) is adapted to the inner diameter of the positioning hole (61).

5. A transformer that is easy to install at a construction site according to claim 1, characterized in that: The top of the support plate (3) is arranged flush with the inner bottom of the transformer cabinet (1), and the inner bottom of the second movable groove (31) is arranged flush with the inner bottom of the first movable groove (4).

6. A transformer that is easy to install at a construction site according to claim 1, characterized in that: A pull ring is fixedly provided on the front side of the mounting plate (6), and the pull ring is arranged in a U shape.

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