Explosion-proof bolt of transformer substation

Abstract

The utility model provides a transformer substation explosion-proof bolt, which comprises a high-voltage chamber body and a first explosion-proof steel pipe, the top of the high-voltage chamber body is fixedly connected with a top plate, one side of the high-voltage chamber body is fixedly connected with a door frame, the inner wall of the door frame is rotatably connected with an explosion-proof door body, one side of the explosion-proof door body is fixedly connected with a mounting frame, and the mounting frame is fixedly connected with a second explosion-proof steel pipe. A reset spring is fixedly connected to the inner bottom wall of the mounting frame, a second fixing plate is fixedly connected to the top of the reset spring, a first fixing plate is fixedly connected to one side of the anti-explosion door body, and a connecting rod is fixedly connected to the bottom of the first anti-explosion steel pipe. The first anti-explosion steel pipe is pressed downwards, then the second anti-explosion steel pipe is separated from the first fixing plate, at the moment, the first anti-explosion steel pipe can be rotated, the angle of the second anti-explosion steel pipe is changed, the first anti-explosion steel pipe and the second anti-explosion steel pipe can be taken down from the anti-explosion door body, and then the disassembly and assembly process is very simple; and great convenience is brought to daily opening and closing of the explosion-proof door body.

Description

TECHNICAL FIELD

[0001] The utility model is substation explosion -proof door bolt belongs to substation field. BACKGROUND

[0002] It is known that the substation is the place of voltage and current transformation, receiving and distributing electric energy in the electric power system, which raises or reduces the high voltage current transmitted by the transmission line through the transformer and other equipment, so as to distribute electric energy to residential, commercial, industrial and other fields, and the explosion -proof door bolt is specially designed to resist the accidental explosion outside the industrial building, which can resist the blasting pressure within the preset range when the explosion occurs, avoiding personnel casualties and property losses.

[0003] Most of the explosion -proof door bolts of the prior art adopt multiple galvanized steel pipes penetrating through multiple connecting pieces on the surface of the explosion -proof door, realizing the horizontal installation of the galvanized steel pipe on the explosion -proof door, so as to improve the pressure borne by the explosion -proof door during explosion, but since the galvanized steel pipe is long, it is very troublesome to take off and suit the galvanized steel pipe from and on the connecting piece every time the door is opened and closed, which brings great inconvenience to the daily opening and closing of the explosion -proof door body. UTILITY MODEL CONTENTS

[0004] In view of the deficiencies of the prior art, the utility model aims to provide a substation explosion -proof door bolt to solve the problems in the background art, which realizes a very simple dismounting process and brings great convenience to the daily opening and closing of the explosion -proof door body.

[0005] In order to achieve the above purpose, the utility model is implemented by the following technical scheme: a substation explosion -proof door bolt, comprising a high pressure chamber body and a first explosion -proof steel pipe, the top of the high pressure chamber body is fixedly connected with a top plate, one side of the high pressure chamber body is fixedly connected with a door frame, the inner wall of the door frame is rotatably connected with an explosion -proof door body, one side of the explosion -proof door body is fixedly connected with a mounting frame, the inner bottom wall of the mounting frame is fixedly connected with a return spring, the top of the return spring is fixedly connected with a second fixed plate, one side of the explosion -proof door body is fixedly connected with a first fixed plate, the bottom of the first explosion -proof steel pipe is fixedly connected with a connecting rod, the bottom of the connecting rod is fixedly connected with a second explosion -proof steel pipe, and the outer wall of the high pressure chamber body is provided with a winding component.

[0006] Further, the bottom of the first fixed plate is fixedly connected with a guide plate, the second explosion -proof steel pipe is movably connected with the first fixed plate, one side of the high pressure chamber body is fixedly connected with a mounting plate, and the first explosion -proof steel pipe is movably connected with the mounting plate.

[0007] Further, the winding component comprises a support frame fixedly connected to one side of the high-pressure chamber body and a fixing box, one side of the support frame is rotatably sleeved with a winding rod, an outer wall of the winding rod is fixedly connected with a winding belt, and the winding belt is movably wound outside the winding rod.

[0008] Further, one end of the first explosion-proof steel pipe is fixedly connected with a lifting plate, and one end of the winding belt is fixedly connected with an outer wall of the lifting plate.

[0009] Further, an inner wall of the fixing box is fixedly connected with a spring disc, one side of the spring disc is fixedly connected with a volute spring, one end of the volute spring is fixedly connected with a connecting belt, the inner wall of the fixing box is provided with a channel, and the connecting belt is slidably sleeved with the channel.

[0010] Further, one end of the connecting belt is fixedly connected with an outer wall of the winding rod, and the outer part of the connecting belt is movably wound outside the winding rod.

[0011] The utility model discloses the beneficial effect of:

[0012] 1, by pressing the first explosion -proof steel pipe downward, and then the second explosion -proof steel pipe will separate from the first fixed plate, at this moment, the first explosion -proof steel pipe can be rotated, so that the angle of the second explosion -proof steel pipe changes, the first explosion -proof steel pipe and the second explosion -proof steel pipe can be realized from the explosion -proof door body, and the dismounting process is very simple, and great convenience is brought to the daily opening and closing of the explosion -proof door body.

[0013] 2, by the volute spring, the connecting belt wound in the outer part of the winding rod will spread, so as to drive the winding rod to rotate, the winding rod can be wound to the winding belt, and the first explosion -proof steel pipe can be moved upward through the lifting plate, so that the first explosion -proof steel pipe, the connecting rod and the second explosion -proof steel pipe are moved upward to the position higher than the door frame, then the first explosion -proof steel pipe, the connecting rod and the second explosion -proof steel pipe that are disassembled are conveniently stored, when installation is needed, the second explosion -proof steel pipe is directly pulled down, then the use demand of the device is further met, and the practicability of the device is improved. ACCURACY OF DRAWINGS

[0014] Other features, objects and advantages of the utility model will become more apparent through reading the following detailed description of non - limiting embodiments with reference to the accompanying drawings:

[0015] Figure 1 It is the structure schematic view of the utility model substation explosion -proof door bolt;

[0016] Figure 2 It is Figure 1 It is the enlarged view of structure in A place in middle;

[0017] Figure 3 It is the structure schematic view of the utility model volute spring.

[0018] In the figure: 1, high pressure chamber body; 2, top plate; 3, door frame; 4, explosion door body; 5, mounting frame; 6, reset spring; 7, first fixed plate; 8, guide plate; 9, mounting plate; 10, first explosion-proof steel pipe; 11, connecting rod; 12, second explosion-proof steel pipe; 13, lifting plate; 14, winding belt; 15, support frame; 16, winding rod; 17, connecting belt; 18, fixed box; 19, channel; 20, spring disc; 21, volute spring; 22, second fixed plate. DETAILED DESCRIPTION

[0019] In order to make the technical means, creative features, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific embodiments.

[0020] Please refer to Figures 1-3 The utility model provides a technical scheme: transformer substation explosion door bolt, including high pressure chamber body 1 and first explosion-proof steel pipe 10, the top of high pressure chamber body 1 is fixedly connected with top plate 2, one side of high pressure chamber body 1 is fixedly connected with door frame 3, the inner wall of door frame 3 is rotatably connected with explosion door body 4, one side of explosion door body 4 is fixedly connected with mounting frame 5, the inner bottom wall of mounting frame 5 is fixedly connected with reset spring 6, reset spring 6 is compression state, the top of reset spring 6 is fixedly connected with second fixed plate 22, mounting frame 5 is " U " shape structure, second fixed plate 22 is arc, the arc of second fixed plate 22 is same with the arc of first explosion-proof steel pipe 10 outer wall, one side of explosion door body 4 is fixedly connected with first fixed plate 7, the bottom of first explosion-proof steel pipe 10 is fixedly connected with connecting rod 11, the bottom of connecting rod 11 is fixedly connected with second explosion-proof steel pipe 12, the outer wall of high pressure chamber body 1 is equipped with winding component.

[0021] The bottom of first fixed plate 7 is fixedly connected with guide plate 8, second explosion-proof steel pipe 12 and first fixed plate 7 are movably jointed, one side of high pressure chamber body 1 is fixedly connected with mounting plate 9, first explosion-proof steel pipe 10 and mounting plate 9 are movably jointed, the outer wall of guide plate 8 is arc surface, because reset spring 6 is compression state, reset spring 6 will drive first explosion-proof steel pipe 10 to have an upward force through second fixed plate 22, and then second explosion-proof steel pipe 12 will be tightly jointed in the inside of first fixed plate 7, first explosion-proof steel pipe 10, connecting rod 11 and second explosion-proof steel pipe 12 will play the explosion-proof role to explosion door body 4.

[0022] Winding component includes support frame 15 and fixed box 18 of fixed connection in one side of high pressure chamber body 1, one side of support frame 15 rotatably sleeve joint has winding rod 16, the outer wall of winding rod 16 is fixedly connected with winding belt 14, the outside of winding belt 14 is movably wound in the outside of winding rod 16, winding rod 16 can wind winding belt 14 in the outside of winding rod 16 when rotating, winding rod 16 reversely rotates, and winding belt 14 can be spread out.

[0023] One end of the first explosion-proof steel pipe 10 is fixedly connected with a lifting plate 13, and one end of a winding belt 14 is fixedly connected with the outer wall of the lifting plate 13. When the winding belt 14 is wound on the outer wall of the net winding rod 16, one end of the winding belt 14 can drive the first explosion-proof steel pipe 10 to move upward through the lifting plate 13.

[0024] The inner wall of the fixed box 18 is fixedly connected with a spring disc 20, one side of the spring disc 20 is fixedly connected with a volute spring 21, one end of the volute spring 21 is fixedly connected with a connecting belt 17, and the inner wall of the fixed box 18 is provided with a channel 19. The connecting belt 17 is slidably sleeved with the channel 19, and the connecting belt 17 can slide through the channel 19.

[0025] One end of the connecting belt 17 is fixedly connected with the outer wall of the winding rod 16, and the outer part of the connecting belt 17 is wound on the outer part of the winding rod 16. When the volute spring 21 is in a tension state and is no longer subjected to a stretching force, it will drive one end of the connecting belt 17 to be wound on the inside of the fixed box 18, and the part of the connecting belt 17 wound on the outside of the winding rod 16 will spread out, thereby driving the winding rod 16 to rotate.

[0026] Working principle: first, when the first explosion-proof steel pipe 10 and the second explosion-proof steel pipe 12 need to be removed, the first explosion-proof steel pipe 10 is pressed downward, and then the second explosion-proof steel pipe 12 is separated from the first fixed plate 7. At this time, the first explosion-proof steel pipe 10 can be rotated to change the angle of the second explosion-proof steel pipe 12, so that the first explosion-proof steel pipe 10 and the second explosion-proof steel pipe 12 can be removed from the explosion-proof door body 4.

[0027] Secondly, the winding belt 14 is no longer limited, and at this time, since the volute spring 21 drives one end of the connecting belt 17 to be wound on the inside of the fixed box 18, the part of the connecting belt 17 wound on the outside of the winding rod 16 will spread out, thereby driving the winding rod 16 to rotate, and the winding rod 16 can wind the winding belt 14.

[0028] Finally, when the winding belt 14 is wound on the outer wall of the net winding rod 16, one end of the winding belt 14 can drive the first explosion-proof steel pipe 10 to move upward through the lifting plate 13, so that the first explosion-proof steel pipe 10, the connecting rod 11 and the second explosion-proof steel pipe 12 move upward to a position higher than the door frame 3, thereby realizing a very simple disassembly process.

[0029] Although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution. The description of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole. The technical solutions in each embodiment can be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A substation explosion-proof door bolt, comprising a high-voltage chamber (1) and a first explosion-proof steel pipe (10), characterized in that: The top of the high-pressure chamber (1) is fixedly connected to a top plate (2), and a door frame (3) is fixedly connected to one side of the high-pressure chamber (1). An explosion-proof door body (4) is rotatably connected to the inner wall of the door frame (3). An installation frame (5) is fixedly connected to one side of the explosion-proof door body (4). A return spring (6) is fixedly connected to the inner bottom wall of the installation frame (5). A second fixing plate (22) is fixedly connected to the top of the return spring (6). A first fixing plate (7) is fixedly connected to one side of the explosion-proof door body (4). A connecting rod (11) is fixedly connected to the bottom of the first explosion-proof steel pipe (10). A second explosion-proof steel pipe (12) is fixedly connected to the bottom of the connecting rod (11). A winding component is provided on the outer wall of the high-pressure chamber (1).

2. The substation explosion-proof bolt according to claim 1, characterized in that: A guide plate (8) is fixedly connected to the bottom of the first fixing plate (7), the second explosion-proof steel pipe (12) is movably snapped to the first fixing plate (7), and an installation plate (9) is fixedly connected to one side of the high-pressure chamber body (1), and the first explosion-proof steel pipe (10) is movably snapped to the installation plate (9).

3. The substation explosion-proof bolt according to claim 1, characterized in that: The winding component includes a support frame (15) and a fixing box (18) fixedly connected to one side of the high-pressure chamber body (1). A winding rod (16) is rotatably sleeved on one side of the support frame (15). A winding strip (14) is fixedly connected to the outer wall of the winding rod (16). The outer side of the winding strip (14) is movably wound around the outside of the winding rod (16).

4. The substation explosion-proof bolt according to claim 3, characterized in that: One end of the first explosion-proof steel pipe (10) is fixedly connected to a lifting plate (13), and one end of the winding belt (14) is fixedly connected to the outer wall of the lifting plate (13).

5. The substation explosion-proof bolt according to claim 4, characterized in that: A spring disc (20) is fixedly connected to the inner wall of the fixed box (18). A spiral spring (21) is fixedly connected to one side of the spring disc (20). A connecting strip (17) is fixedly connected to one end of the spiral spring (21). A channel (19) is opened in the inner wall of the fixed box (18). The connecting strip (17) is slidably sleeved with the channel (19).

6. The substation explosion-proof door bolt according to claim 5, characterized in that: One end of the connecting strip (17) is fixedly connected to the outer wall of the winding rod (16), and the outer side of the connecting strip (17) is movably wound around the outside of the winding rod (16).

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