Transformer oil discharge and nitrogen injection fire extinguishing device
By designing structures such as threaded columns, gears and rotary rods in the fire cabinet, the problem of inconvenient placement of nitrogen cylinders in the corners of the fire cabinet is solved, the stable positioning and convenient operation of nitrogen cylinders are achieved, and the efficiency and safety of fire-fighting devices are improved. .
Patent Information
- Application Number
- CN202421025375.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-13
- Publication Date
- 2025-01-14
- Estimated Expiration
- 2034-05-13
AI Technical Summary
In fire-fighting equipment, nitrogen cylinders are large in size and are inconvenient to place them in the corner of the fire-fighting cabinet for inspection or replacement, resulting in troublesome operation.
A transformer oil discharge nitrogen fire extinguishing device was designed. By setting threaded columns and gears, mobile frames, pallets and rotary columns at the bottom of the outer box, the horizontal and vertical guidance of the nitrogen cylinder is realized, and the rotary rod and L-shaped Components such as plates and limit rods facilitate the placement, positioning and stability of nitrogen cylinders.
It realizes the convenient placement and stable positioning of nitrogen cylinders in the corners of the fire cabinet, simplifies the inspection and replacement process, and improves the convenience and safety of operation.
Smart Images

Figure CN222341852U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of fire-fighting equipment, in particular to a transformer oil-draining and nitrogen-injecting fire-extinguishing device. Background Art
[0002] The oil drain and nitrogen injection fire extinguishing device is usually composed of a fire control cabinet, a fire cabinet, a stop valve, a fire detection device and an oil drain and nitrogen injection pipeline. It has the functions of automatically detecting transformer fire, automatically (or) manually starting, controlling the oil drain valve to open to drain oil and relieve pressure, and at the same time the stop valve can effectively block the oil path from the oil storage cabinet to the oil tank and control the nitrogen release valve to open to inject nitrogen into the transformer.
[0003] In many cases, two nitrogen cylinders are placed in the fire cabinet, but in many cases one of the nitrogen cylinders is placed in the corner of the fire cabinet. Since the nitrogen cylinder itself is heavy, it is not convenient to directly carry it to the corner of the fire cabinet and position it, making it troublesome to check or replace it. Therefore, those skilled in the art provide a transformer oil draining and nitrogen injection fire extinguishing device to solve the problem. Utility Model Content
[0004] In order to solve the above problems, the utility model provides a transformer oil draining and nitrogen injection fire extinguishing device.
[0005] The utility model provides a transformer oil draining nitrogen injection fire extinguishing device adopts the following technical scheme:
[0006] A transformer oil draining and nitrogen injection fire extinguishing device comprises an outer box, wherein two nitrogen cylinders are arranged in the outer box, a bottom opening is arranged at the bottom of the outer box, a bottom block is fixedly mounted on the bottom inner wall of the bottom opening, a threaded column is rotatably mounted in the bottom block, a side fixing sleeve of the threaded column is provided with a gear 1, a moving frame is threadedly mounted on the top of the threaded column, a support plate is slidably mounted on the moving frame, a rotating column is also rotatably mounted at the bottom of the outer box, a side fixing sleeve of the rotating column is provided with a gear 2, the gear 2 is meshed with the gear 1, and the bottom of the nitrogen cylinder can be guided horizontally and vertically, so that the nitrogen cylinder located in the internal corner can be conveniently placed.
[0007] Preferably, two guide blocks are symmetrically fixedly installed on the bottom of the support plate, the guide blocks are laterally movably plugged into the top of the movable frame, and the vertical cross-section of the guide blocks is set to an isosceles trapezoid, which can guide and limit the support plate and facilitate lateral movement.
[0008] Preferably, two grooves are provided on the top of the support plate, and two nitrogen cylinders are inserted into the two grooves and cooperate with each other, so that the bottoms of the nitrogen cylinders can be positioned.
[0009] Preferably, a fixed block is fixedly installed on one side of the outer box, a rotating rod is rotatably installed on the fixed block, two limiting rods are fixedly installed on the side of the rotating rod, and an L-shaped plate is fixedly installed on the adjacent two sides of the outer box. Two positioning grooves are provided on the top of the L-shaped plate. The two limiting rods are respectively inserted into the two positioning grooves, which can guide the placement of the nitrogen bottle and limit the position of the nitrogen bottle to make it straight.
[0010] Preferably, a slide groove is provided on the top of the L-shaped plate, and a plug-in rack is slidably installed in the slide groove. The plug-in rack passes through one of the limiting rods to limit the position, thereby increasing the stability of the structure.
[0011] In summary, the utility model includes the following beneficial technical effects:
[0012] 1. Pull the pallet outward along the inclined surface of the top of the mobile frame for a certain distance. The nitrogen bottle can be placed in the groove on the top of the pallet for easy placement. After the pallet is aligned with the mobile frame, the rotating column can drive the gear to rotate. The mobile frame and the threaded column cooperate through the thread, which can transfer the pallet to the lowest point and limit the bottom of the nitrogen bottle.
[0013] 2. The rotating rod and the L-shaped plate can guide the nitrogen cylinder to prevent it from tipping over. Rotating the rotating rod can make the limit rod enter the positioning groove. The limit rod can fix the two nitrogen cylinders. The rack can be inserted into the limit rod to stabilize the structure and facilitate the nitrogen cylinder to be aligned and connected to other structures. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is a schematic diagram of the overall structure of a transformer oil draining and nitrogen injection fire extinguishing device in an embodiment of the utility model;
[0015] Figure 2 for Figure 1 An enlarged schematic diagram of region A in FIG.
[0016] Figure 3 It is a schematic diagram of the top view of the cross-sectional installation structure of a nitrogen bottle of a transformer oil draining and nitrogen injection fire extinguishing device in an embodiment of the utility model;
[0017] Figure 4 The utility model is a schematic diagram of the front view cross-sectional installation structure of the bottom of an outer box of a transformer oil draining and nitrogen injection fire extinguishing device in an embodiment of the utility model.
[0018] Explanation of the reference numerals: 1. outer box; 2. pallet; 3. L-shaped plate; 11. nitrogen cylinder; 21. guide block; 22. movable frame; 23. gear one; 24. threaded column; 25. bottom block; 26. gear two; 27. rotating column; 31. fixed block; 32. rotating rod; 33. limiting rod; 34. slide groove; 35. rack; 36. positioning groove. DETAILED DESCRIPTION
[0019] The following is combined with Figure 1-4 The utility model is described in further detail.
[0020] It should be noted that the drawings are schematic and not to scale. For the sake of clarity and convenience, the relative sizes and proportions of the parts shown in the drawings are exaggerated or reduced in size, and any size is only exemplary and not restrictive. In addition, the same reference symbol is used for the same structure, element or accessory appearing in more than two figures to reflect similar features.
[0021] The utility model embodiment discloses a transformer oil draining and nitrogen injection fire extinguishing device.
[0022] A transformer oil draining and nitrogen injection fire extinguishing device comprises an outer box 1, two nitrogen cylinders 11 are arranged in the outer box 1, a bottom opening is arranged at the bottom of the outer box 1, a bottom block 25 is fixedly mounted on the bottom inner wall of the bottom opening, a threaded column 24 is rotatably mounted in the bottom block 25, a side fixing sleeve of the threaded column 24 is provided with a gear 1 23, a moving frame 22 is threadedly mounted on the top of the threaded column 24, a support plate 2 is slidably mounted on the moving frame 22, a rotating column 27 is also rotatably mounted at the bottom of the outer box 1, a side fixing sleeve of the rotating column 27 is provided with a gear 26, the gear 26 is meshed with the gear 1 23, the bottom of the nitrogen cylinder 11 can be guided horizontally and vertically, and the nitrogen cylinder 11 located in the inner corner can be conveniently placed.
[0023] exist Figure 4 Middle: Two guide blocks 21 are symmetrically fixedly installed at the bottom of the support plate 2. The guide blocks 21 are laterally movably plugged into the top of the movable frame 22, and the vertical section of the guide blocks 21 is set to be an isosceles trapezoid, which can guide and limit the support plate 2 and facilitate lateral movement.
[0024] exist Figure 1 Middle: Two grooves are arranged on the top of the support plate 2, and two nitrogen cylinders 11 are inserted into the two grooves and cooperate with each other, so that the bottom of the nitrogen cylinders 11 can be positioned.
[0025] exist Figure 1 , Figure 2 and Figure 3 Middle: A fixed block 31 is fixedly installed on one side of the outer box 1, and a rotating rod 32 is rotatably installed on the fixed block 31. Two limiting rods 33 are fixedly installed on the side of the rotating rod 32. An L-shaped plate 3 is fixedly installed on the adjacent two sides of the outer box 1. Two positioning grooves 36 are provided on the top of the L-shaped plate 3. The two limiting rods 33 are respectively inserted into the two positioning grooves 36, which can guide the placement of the nitrogen bottle 11 and limit the nitrogen bottle 11 to make it straight; a sliding groove 34 is provided on the top of the L-shaped plate 3, and a bracket 35 is slidably installed in the sliding groove 34. The bracket 35 passes through one of the limiting rods 33, which can be limited to increase the stability of the structure.
[0026] The standard parts used in the utility model can all be purchased from the market, and special-shaped parts can be customized according to the instructions and the drawings. The specific connection methods of each part adopt the conventional means such as mature bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt conventional models in the prior art, and the circuit connection adopts the conventional connection method in the prior art, which will not be described in detail here.
[0027] The implementation principle of a transformer oil draining and nitrogen injection fire extinguishing device according to an embodiment of the utility model is as follows: the support plate 2 is pulled outward along the inclined surface at the top of the mobile frame 22 for a certain distance, and the nitrogen bottle 11 can be placed in the groove at the top of the support plate 2 for convenient placement. After the support plate 2 is aligned with the mobile frame 22, the rotating column 27 can drive the gear 23 to rotate, and the mobile frame 22 and the threaded column 24 can be threadedly matched to convey the support plate 2 to the lowest point, so that the bottom of the nitrogen bottle 11 can be limited; the rotating rod 32 and the L-shaped plate 3 can guide the nitrogen bottle 11 to prevent it from tipping over, and the rotating rod 32 can be rotated to allow the limiting rod 33 to enter the positioning groove 36, and the limiting rod 33 can fix and limit the two nitrogen bottles 11, and the toggle bracket 35 can be inserted into the limiting rod 33 to stabilize the structure and facilitate the nitrogen bottle 11 to be aligned and connected to other structures.
[0028] Finally, a few points should be explained: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, which can be a mechanical connection or an electrical connection, can be the internal communication of two components, or can be a direct connection. "upper", "lower", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the object being described changes, the relative positional relationship may change;
[0029] Secondly: In the drawings of the embodiments disclosed in the present utility model, only the structures related to the embodiments disclosed in the present utility model are involved, and other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present utility model can be combined with each other;
[0030] Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.
Claims
1. A transformer oil draining and nitrogen injection fire extinguishing device, comprising an outer box (1), wherein two nitrogen cylinders (11) are arranged in the outer box (1), characterized in that: The bottom of the outer box (1) is provided with a bottom opening, the inner wall of the bottom of the bottom opening is fixedly mounted on a bottom block (25), a threaded column (24) is rotatably mounted in the bottom block (25), a side fixed sleeve of the threaded column (24) is provided with a gear 1 (23), a top of the threaded column (24) is threadedly mounted with a moving frame (22), a support plate (2) is slidably mounted on the moving frame (22), a rotating column (27) is rotatably mounted on the bottom of the outer box (1), a side fixed sleeve of the rotating column (27) is provided with a gear 2 (26), and the gear 2 (26) is meshed with the gear 1 (23).
2. A transformer oil draining and nitrogen injection fire extinguishing device according to claim 1, characterized in that: Two guide blocks (21) are symmetrically fixedly mounted on the bottom of the support plate (2). The guide blocks (21) are laterally movably plugged into the top of the movable frame (22), and the vertical cross-section of the guide blocks (21) is set to be an isosceles trapezoid.
3. A transformer oil draining and nitrogen injection fire extinguishing device according to claim 1, characterized in that: The top of the support plate (2) is provided with two grooves, and the two nitrogen bottles (11) are inserted into the two grooves and cooperate with each other.
4. A transformer oil draining and nitrogen injection fire extinguishing device according to claim 1, characterized in that: A fixed block (31) is fixedly installed on one side of the outer box (1), a rotating rod (32) is rotatably installed on the fixed block (31), two limiting rods (33) are fixedly installed on the side of the rotating rod (32), and an L-shaped plate (3) is fixedly installed on adjacent two sides of the outer box (1), two positioning grooves (36) are provided on the top of the L-shaped plate (3), and the two limiting rods (33) are respectively inserted into the two positioning grooves (36).
5. A transformer oil draining and nitrogen injection fire extinguishing device according to claim 4, characterized in that: A sliding groove (34) is provided on the top of the L-shaped plate (3), and a plug-in rack (35) is slidably installed in the sliding groove (34), and the plug-in rack (35) passes through one of the limiting rods (33).