Flood prevention device for outdoor terminal box of transformer substation

Abstract

The utility model relates to a flood prevention device of an outdoor terminal box of a transformer substation, four angle steels are respectively fixedly welded end to end to form a square foot part, the angle steels are L-shaped on the whole, the upper ends of the angle steels are positioned above a cement pavement, the lower ends of the angle steels are embedded into the cement pavement, and the angle steels are connected with a concrete foundation through foundation bolts; the vertical baffle and the sealing protection plate are both in a U shape and form a square middle protection part through lock catches, the lower end of the middle protection part is detachably connected with the ground foot part through a limiting piece, one end of the bottom plate is fixedly welded to the angle steel, a nut is arranged above the other end of the bottom plate, and a compression joint bolt is rotationally arranged at the center of the nut in a transverse threaded mode in a penetrating mode. The top end protection part is detachably arranged above the middle protection part, is in a quadrangular frustum pyramid shape as a whole and is composed of a protection block and a connecting block, the upper ends and the lower ends of the protection block and the connecting block are in limiting connection through lock catches, and the middle positions of the protection block and the connecting block are tightly connected through a sealing rubber strip; the utility model has the advantages of detachable movement and good sealing protection effect.

Description

Technical Field

[0001] The utility model belongs to the field of power auxiliary equipment, and in particular relates to a flood prevention device for an outdoor terminal box of a transformer substation. Background Art

[0002] The terminal box is the intermediate link between outdoor electrical equipment and indoor measurement and control, protection, communication and other equipment. It is an interface device that provides convenience for wiring and line tracing. It is an auxiliary device in the power industry. It is mainly fixed outdoors and consists of a protective box body and a movable frame and terminal row installed inside the box body. However, in a flood disaster environment caused by rapid accumulation of heavy rain, due to the soaking of rainwater, the terminal box that is only blocked by the cabinet door is not airtight enough to resist the inflow of rainwater, which can easily cause damage to the circuit. Therefore, in order to solve the above problems, it is necessary to develop a flood prevention device for a substation outdoor terminal box that is detachable, movable and has good sealing and protection effect. Utility Model Content

[0003] The utility model aims to overcome the shortcomings of the prior art and to provide a flood prevention device for an outdoor terminal box of a transformer substation which is detachable and movable and has good sealing and protection effects.

[0004] The purpose of the utility model is achieved as follows: a flood prevention device for an outdoor terminal box of a substation, comprising an angle steel, a vertical baffle, a sealing protection plate and a top protection part, wherein the angle steel has four, which are fixed and welded end to end in sequence to form a square footing part, and the angle steel is L-shaped as a whole, with its upper end protruding above the cement pavement, and the lower end embedded in the cement pavement, and connected to the concrete foundation by anchor bolts; the vertical baffle and the sealing protection plate are both U-shaped, wherein the sealing protection plate is located inside the front end opening of the vertical baffle, and a locking buckle is used to realize the limiting connection therebetween, and the vertical baffle and the sealing protection plate cooperate with each other to form a square middle protection part, the middle The lower end of the protective part is located at the inner end of the anchor part, and is detachably connected to the anchor part through a plurality of limit members, the limit members are composed of a base plate and compression bolts, the base plate is fixedly arranged above the cement pavement, and one end of the base plate is fixedly welded to the angle steel, and a nut is fixedly welded above the other end, the nut is located at the inner end of the middle protective part, and a compression bolt is rotatably passed through the center of the nut through a transverse thread; the top protective part is detachably arranged above the middle protective part, and is in the shape of a quadrangular pyramid as a whole, and is composed of a protective block and a connecting block, the upper and lower ends of the protective block and the connecting block are connected by locking limiters, and the inclined structure in the middle position is tightly connected by a sealing strip.

[0005] A rubber pad is arranged at the middle part of the inner side surface of the angle steel along its length direction.

[0006] A rubber sealing block is fixedly arranged on the inner side of the upper end of the top protection part, and is in close contact with the outer wall of the terminal box through the rubber sealing block.

[0007] Sealing layers are vertically fixedly arranged on both sides of the inner walls of the front end opening of the vertical baffle, and close contact between the vertical baffle and the sealing protection plate is achieved through the sealing layer.

[0008] The beneficial effects of the utility model are as follows: the utility model forms a square footing part by setting angle steels and anchor bolts, and fixing and welding four angle steels end to end, and the anchor bolts and cement pavement are used to embed the anchor bolts and cement pavement in advance, so as to realize the fixed installation of the whole footing part; by setting a sealing protection plate and a top protection part, a square middle protection part formed by the cooperation of the U-shaped vertical baffle plate and the U-shaped sealing protection plate, and the top protection part, can effectively protect the terminal box placed at the inner end thereof; by setting a bottom plate, a nut and a crimping bolt, and using the threaded connection of the nut and the crimping bolt, the crimping bolt can be moved laterally while being rotated, so as to realize the close contact between the angle steel and the vertical baffle plate and the sealing protection plate by using the extrusion force generated when the crimping bolt moves, and then complete the detachable connection between the footing part and the middle protection part; by setting a rubber pad plate, a rubber sealing block and a sealing layer, the tightness of the connection between the components can be increased when the utility model is used as a whole, so as to improve the overall sealing protection effect of the utility model; in general, the utility model has the advantages of being detachable and movable and having a good sealing protection effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] Figure 1 It is a front view of the utility model.

[0010] Figure 2 It is a sectional view of a front view of the angle steel and the anchor bolts in the utility model being fixedly installed on a cement pavement.

[0011] Figure 3 It is a cross-sectional view of the front view of the connection between the angle steel, the limiting member and the vertical baffle in the utility model.

[0012] Figure 4 It is a top view of the middle protection part in the utility model.

[0013] Figure 5 It is a top view of the top protection part in the utility model.

[0014] In the figure: 1, angle steel 11, anchor bolt 12, rubber pad 2, vertical baffle 3, sealing protection plate 4, top protection part 41, protection block 42, connecting block 43, sealing strip 44, rubber sealing block 5, anchor part 6, lock buckle 7, middle protection part 8, limiter 81, bottom plate 82, nut 83, crimping bolt. DETAILED DESCRIPTION

[0015] The utility model is further described below in conjunction with the accompanying drawings.

[0016] Example: Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 As shown, a flood prevention device for an outdoor terminal box of a substation comprises an angle steel 1, a vertical baffle plate 2, a sealing protection plate 3 and a top protection part 4, wherein the angle steel 1 has four, which are fixed and welded end to end in sequence to form a square footing part 5, and the angle steel 1 is L-shaped as a whole, with its upper end protruding above the cement pavement, and the lower end embedded in the cement pavement, and connected to the concrete foundation by anchor bolts 11; the vertical baffle plate 2 and the sealing protection plate 3 are both U-shaped, wherein the sealing protection plate 3 is located inside the front end opening of the vertical baffle plate 2, and a locking buckle 6 is used to realize the limiting connection therebetween, and the vertical baffle plate 2 and the sealing protection plate 3 cooperate with each other to form a square intermediate protection part 7, and the lower end of the intermediate protection part 7 is located at the inner end of the footing part 5. , and is detachably connected to the anchor portion 5 through a plurality of limit members 8, the limit members 8 being composed of a base plate 81 and a crimping bolt 83, the base plate 81 being fixedly arranged above the cement pavement, and one end of the base plate 81 being fixedly welded to the angle steel 1, and a nut 82 being fixedly welded above the other end, the nut 82 being located at the inner end of the middle protective portion 7, and a crimping bolt 83 being rotatably passed through the center of the nut 82 via a transverse thread; the top protective portion 4 is detachably arranged above the middle protective portion 7, and is in the shape of a quadrangular pyramid as a whole, and is composed of a protective block 41 and a connecting block 42, the upper and lower ends of the protective block 41 and the connecting block 42 being limitably connected by a lock buckle 6, and the inclined structure in the middle position is tightly connected by a sealing strip 43.

[0017] A rubber pad 12 is provided in the middle of the inner side surface of the angle steel 1 along its length direction; a rubber sealing block 44 is fixedly provided on the inner side of the upper end of the top protective part 4, and is in close contact with the outer wall of the terminal box through the rubber sealing block 44; sealing layers are vertically fixedly provided on the inner walls on both sides of the front end opening of the vertical baffle 2, and close contact between the vertical baffle 2 and the sealing protection plate 3 is achieved through the sealing layer. The rubber pad 12, the rubber sealing block 44 and the sealing layer can be used to increase the tightness of the connection between the components when the utility model is used as a whole, thereby improving the overall sealing and protection effect of the utility model.

[0018] When the utility model is installed before use, first, four angle steels 1 are placed around the terminal box respectively, and the four angle steels 1 are welded to form a square footing portion 5 by welding the ends and fixations. Then, the angle steel 1 is connected to the concrete foundation by anchor bolts 11. Then, cement is poured, and the anchor bolts 11 and the angle steel 1 are fixed by the cement pavement layer formed by the cement. Then, the sealing protection plate 3 and the vertical baffle plate 2 are placed on both sides of the terminal box respectively, and the U-shaped vertical baffle plate 2 and the U-shaped sealing protection plate 3 are matched, and the locking buckle 6 is used to realize the limiting connection, so as to form a square middle protection portion 7. Then, the middle protection portion 7 is placed on the inner end of the footing portion 5. , and by rotating the crimping bolt 83, at this time, by utilizing the threaded connection between the nut 82 and the crimping bolt 83, the crimping bolt 83 can be moved laterally while being rotated, thereby utilizing the extrusion force generated when the crimping bolt 83 moves to achieve close contact between the angle steel 1 and the vertical baffle 2 and the sealing protection plate 3, thereby completing the detachable connection between the foot portion 5 and the intermediate protection portion 7; finally, place the protection block 41 and the connecting block 42 on both sides of the terminal box respectively, and in the same way, use the lock buckle 6 to achieve its limiting connection while forming a quadrangular pyramid-shaped top protection portion 4; after completing the above operations, the intermediate protection portion 7 and the top protection portion 4 are limitedly connected, and the overall installation of the utility model is completed.

[0019] When the utility model is used after installation, the cooperation of the foot part 5, the middle protection part 7 and the top protection part 4 can effectively shield and protect the lower end of the terminal box placed therein, thereby avoiding the problem of rainwater intrusion caused by rainwater immersion, thereby causing damage to the internal circuit of the terminal box. At the same time, by providing a sealing strip 43, it can be used to achieve a tight connection between the inclined structure in the middle position of the protection block 41 and the connecting block 42. By providing a rubber pad 12, a rubber sealing block 44 and a sealing layer, the tightness of the connection between the components when the utility model is used as a whole can be increased, thereby improving the overall sealing and protection effect of the utility model. In addition, the utility model utilizes the detachable connection between the middle protection part 7 and the top protection part 4, and the limiting connection between the foot part 5 and the middle protection part 7 through the limiting piece 8, which can facilitate the disassembly, movement or replacement of the middle protection part 7 and the top protection part 4 after use. In general, the utility model has the advantages of being detachable and movable and having a good sealing and protection effect.

Claims

1. A flood prevention device for an outdoor terminal box of a substation, comprising an angle steel (1), a vertical baffle (2), a sealing protection plate (3) and a top protection portion (4), characterized in that: The angle steels (1) are four in number, which are fixed and welded end to end in sequence to form a square footing portion (5), and the angle steel (1) is L-shaped as a whole, with its upper end protruding above the cement pavement and its lower end embedded in the cement pavement, and connected to the concrete foundation by anchor bolts (11); the vertical baffle (2) and the sealing protection plate (3) are both U-shaped, wherein the sealing protection plate (3) is located inside the front end opening of the vertical baffle (2), and a limiting connection is achieved between them by a lock buckle (6), and the vertical baffle (2) and the sealing protection plate (3) cooperate with each other to form a square middle protection portion (7), the lower end of the middle protection portion (7) is located at the inner end of the footing portion (5), and is detachably connected to the footing portion (5) by a plurality of limiting members (8), and the limiting members (8) are connected to the concrete foundation by a lock buckle (6). The component (8) is composed of a bottom plate (81) and a crimping bolt (83), wherein the bottom plate (81) is fixedly arranged above the cement pavement, and one end of the bottom plate (81) is fixedly welded to the angle steel (1), and a nut (82) is fixedly welded above the other end, wherein the nut (82) is located at the inner end of the middle protective part (7), and a crimping bolt (83) is rotatably penetrated through the center of the nut (82) by a transverse thread; the top protective part (4) is detachably arranged above the middle protective part (7), and is in the shape of a quadrangular pyramid as a whole, and is composed of a protective block (41) and a connecting block (42), wherein the upper and lower ends of the protective block (41) and the connecting block (42) are both limitedly connected by a lock buckle (6), and the inclined structure at the middle position is tightly connected by a sealing strip (43).

2. A flood prevention device for an outdoor terminal box of a substation according to claim 1, characterized in that: A rubber pad (12) is provided in the middle of the inner side surface of the angle steel (1) along its length direction.

3. A flood prevention device for an outdoor terminal box of a substation according to claim 1, characterized in that: A rubber sealing block (44) is fixedly arranged on the inner side of the upper end of the top protective portion (4), and is in close contact with the outer wall of the terminal box through the rubber sealing block (44).

4. A flood prevention device for an outdoor terminal box of a substation according to claim 1, characterized in that: Sealing layers are vertically fixedly provided on both inner walls of the front end opening of the vertical baffle (2), and close contact between the vertical baffle (2) and the sealing protection plate (3) is achieved through the sealing layer.

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