CN215084540U - Oil discharge heavy hammer double electromagnetic action mechanism - Google Patents
Oil discharge heavy hammer double electromagnetic action mechanism Download PDFInfo
- Publication number
- CN215084540U CN215084540U CN202120402336.6U CN202120402336U CN215084540U CN 215084540 U CN215084540 U CN 215084540U CN 202120402336 U CN202120402336 U CN 202120402336U CN 215084540 U CN215084540 U CN 215084540U
- Authority
- CN
- China
- Prior art keywords
- valve
- heavy hammer
- valve core
- electromagnetic
- connecting piece
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The utility model relates to a two electromagnetic actuating mechanisms of oil extraction weight belongs to transformer fire control technical field, including gangbar, first solenoid valve and second solenoid valve, the gangbar lower extreme is equipped with the horizontal pole for hang the weight, the gangbar upper end is equipped with the gag lever post, and the gag lever post has first effect end and second effect end, first solenoid valve and second solenoid valve are inside to be equipped with first case and second case respectively, first case and second case are located respectively same one side of first effect end and second effect end for the direction swing of restriction gangbar to being close to first case and second case. The utility model discloses change into the reliable two solenoid valve weight mechanisms of design by original single solenoid valve weight mechanism. The misoperation of the oil discharge heavy hammer mechanism is thoroughly avoided, and the long-term and safe operation of the transformer is ensured.
Description
Technical Field
The utility model belongs to the technical field of the transformer fire control, a two electromagnetic actuating mechanisms of oil extraction weight are related to.
Background
The danger of fire is always present in the power oil transformer. The electric arc in the transformer caused by short circuit, overvoltage, etc. ionizes the oil product and decomposes various combustible gases, and the internal pressure of the oil tank rises rapidly, when the pressure exceeds the bearing limit of the oil tank, the weak part of the oil tank will break, so that oxygen enters and mixes with the combustible gases, and once the pressure meets open fire or electric sparks with certain energy, the oil tank explodes immediately to cause fire accidents, thus causing serious fire accidents.
At present, oil discharge and nitrogen charge are main fire extinguishing means in the field of transformer fire fighting. The operation method of the oil discharging action comprises the steps that after the control system receives double alarm signals of the fire detector and the heavy gas at the same time, the electromagnetic valve is controlled to be closed, so that the heavy hammer is controlled to fall down to drive the oil discharging valve to be opened, high-temperature and easily-burnt oil on the upper layer in the transformer body is rapidly discharged, pressure is released, and the oil level is reduced to prevent the fuel oil from overflowing. However, when other factors interfere with the outside or the heavy hammer malfunctions, the oil discharge valve is opened under the condition of a fault, so that a major accident of oil leakage of the transformer occurs, normal operation of the transformer is influenced, and major loss is caused. Therefore, the existing oil-discharging nitrogen-charging fire extinguishing technology still has some problems, and needs to be urgently solved.
SUMMERY OF THE UTILITY MODEL
The utility model designs a two electromagnetic actuating structures of oil extraction weight, adopted two independent solenoid valves and two sets of independent control system, solved the problem of above-mentioned transformer oil extraction malfunction.
The technical proposal adopted by the utility model is that,
the oil discharge heavy hammer double electromagnetic actuating mechanism comprises,
a heavy hammer for controlling the oil discharge valve,
a linkage rod arranged in a swinging way, the lower end of the linkage rod is provided with a cross rod used for hanging the heavy hammer, the upper end of the linkage rod is provided with a limiting rod, the limiting rod is provided with a first action end and a second action end,
the first electromagnetic valve and the second electromagnetic valve are arranged in parallel and are respectively connected with two sets of independent control systems,
the first valve core and the second valve core are respectively arranged in the first electromagnetic valve and the second electromagnetic valve and can slide up and down under the action of the control system; the first valve core and the second valve core are respectively positioned on the same side of the first action end and the second action end and used for limiting the linkage rod to swing towards the direction close to the first valve core and the second valve core.
Further, the utility model discloses still include the framework, the framework lower part is equipped with the fixed block, the gangbar is articulated with the fixed block.
Furthermore, a blocking piece is arranged at the lower part of the frame body and is in contact with the free end of the cross rod.
Further, the utility model discloses still include first connecting piece, first connecting piece one end is connected the upper end of first case, the first connecting piece other end is connected the upper end of second case.
Further, the utility model discloses still include the second connecting piece, the second connecting piece slides and sets up in the framework second connecting piece one end is connected first connecting piece middle part, the second connecting piece other end extends the framework and is equipped with the handle.
Furthermore, a first supporting rod and a second supporting rod are arranged on one side of the frame body, the first supporting rod is located above the first electromagnetic valve and the second electromagnetic valve, the second supporting rod is located below the first electromagnetic valve and the second electromagnetic valve, through holes are formed in the first supporting rod and the second supporting rod, and the first valve core and the second valve core penetrate through the through holes.
Furthermore, one side of the frame body is provided with a mounting hole.
Further, the cross rod is of a cylindrical structure.
The utility model has the advantages that:
the utility model discloses change into the reliable two solenoid valve weight mechanisms of design by original single solenoid valve weight mechanism, control two solenoid valves through adopting two sets of independent control system, make the swing of first solenoid valve and second solenoid valve common control gangbar, order about the weight and can not fall under the trouble and drive the oil extraction valve, thoroughly avoided oil extraction weight mechanism's malfunction, the problem of external disturbance or weight malfunction cause the oil extraction valve to open by mistake has been solved, the reliability and the rigor of oil extraction nitrogen-filled extinguishing device operation have been improved, guarantee the transformer long-term, safe operation.
The present invention will be described in detail with reference to the accompanying drawings.
Drawings
Fig. 1 is a structural schematic diagram of the electromagnetic valve of the present invention in a broken state;
fig. 2 is a schematic structural diagram of the electromagnetic valve of the present invention;
in the attached drawing, the device comprises a linkage rod 1, a cross rod 2, a cross rod 3, a limiting rod 4, a first action end 5, a second action end 6, a first electromagnetic valve 7, a second electromagnetic valve 8, a first valve core 9, a second valve core 10, a frame body 11, a fixed block 12, a blocking piece 13, a first connecting piece 14, a second connecting piece 15, a handle 16, a first supporting rod 17 and a second supporting rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive work, are related to the scope of the present invention.
As shown in figure 1, the utility model relates to a dual electromagnetic actuating mechanism of an oil discharging heavy hammer, which comprises,
the oil drain valve comprises a heavy hammer, a linkage rod 1, a cross rod 2 and a limiting rod 3, wherein the heavy hammer is used for controlling the oil drain valve and is arranged in a swinging mode, the cross rod 2 is arranged at the lower end and is used for hanging the heavy hammer, and the limiting rod 3 is arranged at the upper end and is provided with a first action end 4 and a second action end 5; the first electromagnetic valve 6 and the second electromagnetic valve 7 are arranged in parallel and are respectively connected with two sets of independent control systems; the first valve core 8 and the second valve core 9 are respectively arranged inside the first electromagnetic valve 6 and the second electromagnetic valve 7 and can slide up and down under the action of a control system, and the first valve core 8 and the second valve core 9 are respectively positioned at the same side of the first action end 4 and the second action end 5 and are used for limiting the linkage rod 1 to swing towards the direction close to the first valve core 8 and the second valve core 9; the linkage device comprises a frame body 10, wherein a fixed block 11 is arranged at the lower part of the frame body 10, and the linkage rod 1 is hinged with the fixed block 11; furthermore, a blocking piece 12 is arranged at the lower part of the frame body 10, and the blocking piece 12 is contacted with the free end of the cross rod 2.
The utility model adopts two sets of independent control systems to control the two electromagnetic valves,
as shown in fig. 1, in a normal working state of the transformer, the control system does not detect an alarm signal, the first electromagnetic valve 6 and the second electromagnetic valve 7 are both off, the first valve core 8 is located on the right side of the first action end 4, the second valve core 9 is located on the right side of the second action end 5, the limiting rod 3 is limited to move rightwards, i.e. the linkage rod 1 cannot swing clockwise, the cross rod 2 is limited to move rightwards under the action of the blocking piece 12, i.e. the linkage rod 1 cannot swing anticlockwise, in this case, the linkage rod 1 can only keep a vertical state, the heavy hammer is hung on the cross rod 2 and cannot fall off, when one of the two sets of operation systems generates a false alarm, a corresponding one of the electromagnetic valves is switched on, or a malfunction occurs in one of the electromagnetic valves, the corresponding valve core moves upwards, but under the limitation of the other valve core, the limiting rod 3 is still limited to move rightwards, in the same way, the heavy hammer is hung on the cross bar 2 and cannot fall off,
as shown in figure 2, after two sets of control systems receive double alarm signals of a fire detector and heavy gas, the first electromagnetic valve 6 and the second electromagnetic valve 7 are controlled to be conducted, the first valve core 8 and the second valve core 9 move upwards, the limiting rod 3 can move rightwards, the linkage rod 1 can swing clockwise, the cross rod 2 tilts along with the linkage rod, a heavy hammer falls down under the action of gravity, and an oil discharge valve is driven to be opened to discharge oil and extinguish fire.
The utility model has the advantages of simple integral structure, the reliability is high, uses two sets of independent control systems to avoid because the malfunction of external interference factor, two solenoid valve autonomous workings simultaneously, mutual noninterference can guarantee the measure of putting out a fire when the conflagration takes place, can guarantee again that the oil of transformer can not discharge because of the malfunction.
Further, as shown in fig. 1 to 2, the valve further comprises a first connecting piece 13, one end of the first connecting piece 13 is connected to the upper end of the first valve core 8, and the other end of the first connecting piece 13 is connected to the upper end of the second valve core 9. Still include second connecting piece 14, second connecting piece 14 slides and sets up on framework 10 second connecting piece 14 one end is connected first connecting piece 13 middle part, second connecting piece 14 other end extends framework 10 and is equipped with handle 15.
When only the first valve core 8 moves upwards by malfunction, the second valve core 9 limits the second action end 5 more safely and reliably by the aid of the downward pressure transmitted to the second valve core 9 by the first connecting piece 13, when only the second valve core 9 moves upwards by malfunction, the first valve core 8 limits the first action end 4 more safely and reliably by the aid of the downward pressure transmitted to the first valve core 8 by the second connecting piece 13,
when the first connecting piece 13 and the second connecting piece 14 are used simultaneously, when oil drainage treatment needs to be performed on the transformer manually, the handle 15 is lifted, force is transmitted to the first valve core 8 and the second valve core 9 through the second connecting piece 14 and the first connecting piece 13, the first valve core 8 and the second valve core 9 move upwards, the linkage rod 1 swings clockwise, and the heavy hammer slides downwards to drive the oil drainage valve to be opened.
Further, as shown in fig. 1 to 2, a first support rod 16 and a second support rod 17 are disposed on one side of the frame 10, the first support rod 16 is located above the first electromagnetic valve 6 and the second electromagnetic valve 7, the second support rod 17 is located below the first electromagnetic valve 6 and the second electromagnetic valve 7, the first support rod 16 and the second support rod 17 are both provided with through holes, and the first valve spool 8 and the second valve spool 9 pass through the through holes. A supporting rod 16 and a second supporting rod 17 extend from one side of the frame body 10 and are respectively arranged at the upper side and the lower side of the first electromagnetic valve 6 and the second electromagnetic valve 7, so that the first electromagnetic valve 6 and the second electromagnetic valve 7 are fixed conveniently, the first electromagnetic valve 6 and the second electromagnetic valve 7 are positioned at the same level, and oil discharge fire extinguishing action is better realized.
Further, a mounting hole is formed at one side of the frame body 10. The installation of this device when using is convenient for.
Further, the cross bar 2 is of a cylindrical structure. The friction between the cross rod 2 of the cylinder and the heavy hammer is reduced, and the heavy hammer can smoothly slide down when the linkage rod 1 swings clockwise.
Claims (8)
1. The oil discharge heavy hammer double electromagnetic actuating mechanism is characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,
a heavy hammer for controlling the oil discharge valve,
a linkage rod (1) which is arranged in a swinging way, the lower end of the linkage rod is provided with a cross rod (2) used for hanging the heavy hammer, the upper end of the linkage rod is provided with a limiting rod (3), the limiting rod (3) is provided with a first action end (4) and a second action end (5),
the first electromagnetic valve (6) and the second electromagnetic valve (7) are arranged in parallel and are respectively connected with two sets of independent control systems,
the first valve core (8) and the second valve core (9) are respectively arranged in the first electromagnetic valve (6) and the second electromagnetic valve (7) and can slide up and down under the action of a control system; the first valve core (8) and the second valve core (9) are respectively positioned at the same side of the first action end (4) and the second action end (5) and used for limiting the linkage rod (1) to swing towards the direction close to the first valve core (8) and the second valve core (9).
2. The oil draining heavy hammer bi-electromagnetic actuating mechanism according to claim 1, characterized in that: still include framework (10), framework (10) lower part is equipped with fixed block (11), gangbar (1) is articulated with fixed block (11).
3. The oil draining heavy hammer bi-electromagnetic actuating mechanism according to claim 2, characterized in that: a blocking piece (12) is arranged at the lower part of the frame body (10), and the blocking piece (12) is contacted with the free end of the cross rod (2).
4. The oil draining heavy hammer bi-electromagnetic actuating mechanism according to claim 2, characterized in that: the valve core is characterized by further comprising a first connecting piece (13), one end of the first connecting piece (13) is connected with the upper end of the first valve core (8), and the other end of the first connecting piece (13) is connected with the upper end of the second valve core (9).
5. The oil draining heavy hammer bi-electromagnetic actuating mechanism according to claim 4, characterized in that: still include second connecting piece (14), second connecting piece (14) slide to set up on framework (10), second connecting piece (14) one end is connected first connecting piece (13) middle part, second connecting piece (14) other end extends framework (10) and is equipped with handle (15).
6. The oil draining heavy hammer bi-electromagnetic actuating mechanism according to claim 2, characterized in that: the valve body is characterized in that a first supporting rod (16) and a second supporting rod (17) are arranged on one side of the frame body (10), the first supporting rod (16) is located above the first electromagnetic valve (6) and the second electromagnetic valve (7), the second supporting rod (17) is located below the first electromagnetic valve (6) and the second electromagnetic valve (7), through holes are formed in the first supporting rod (16) and the second supporting rod (17), and the first valve core (8) and the second valve core (9) penetrate through the through holes.
7. The oil draining heavy hammer bi-electromagnetic actuating mechanism according to claim 2, characterized in that: one side of the frame body (10) is provided with a mounting hole.
8. The oil draining heavy hammer bi-electromagnetic actuating mechanism according to claim 1, characterized in that: the cross rod (2) is of a cylindrical structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120402336.6U CN215084540U (en) | 2021-02-23 | 2021-02-23 | Oil discharge heavy hammer double electromagnetic action mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120402336.6U CN215084540U (en) | 2021-02-23 | 2021-02-23 | Oil discharge heavy hammer double electromagnetic action mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215084540U true CN215084540U (en) | 2021-12-10 |
Family
ID=79335983
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120402336.6U Active CN215084540U (en) | 2021-02-23 | 2021-02-23 | Oil discharge heavy hammer double electromagnetic action mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215084540U (en) |
-
2021
- 2021-02-23 CN CN202120402336.6U patent/CN215084540U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201658766U (en) | Oil-discharging and nitrogen-injecting fire extinguishing apparatus of transformer | |
| CN211088796U (en) | Low-voltage feeder cabinet body with fireproof self-adaptive structure | |
| CN100998913A (en) | Oil draining nitrogen filling fire extinguishing device for transformer | |
| CN215084540U (en) | Oil discharge heavy hammer double electromagnetic action mechanism | |
| US3516198A (en) | Emergency release latch mechanism for smoke hatch | |
| KR101278177B1 (en) | Fire extinguishing system | |
| CN201643505U (en) | Deluge valve with diaphragm valve flap | |
| CN208756834U (en) | A kind of electric automobile power battery with automatic fire extinguishing system | |
| CN114377332B (en) | Suspension type fire extinguisher suitable for security protection | |
| CN109857069A (en) | A kind of dust explosion protection intelligence pressure relief system control integrated system | |
| CN216366423U (en) | Auxiliary early warning device for centralized control operation of thermal power plant | |
| CN206414647U (en) | A kind of self-starting extinguishing device | |
| CN108662245B (en) | Anti-jamming and anti-freezing control device and control method for electric regulating valve | |
| CN205445417U (en) | Highly reliablely prevent fire door monitored control system | |
| CN213192261U (en) | Main transformer fire control host with grouping automatic manual starting device | |
| CN202766121U (en) | Remote control urgent halt device of dry quenching hoist | |
| CN207175126U (en) | A kind of fireman's switch control system for elevator | |
| CN205092438U (en) | Automatic ring accuse cabinet of putting out a fire | |
| CN219958732U (en) | Oil-discharging and nitrogen-injecting fire extinguishing device for oil immersed transformer | |
| CN204922119U (en) | Safety valve | |
| CN214713895U (en) | Novel misoperation prevention mechanism for oil-discharging nitrogen-injecting fire extinguishing device | |
| CN209500607U (en) | A kind of cabinet extinguishing equipment | |
| CN115634401B (en) | Fire-fighting monitoring and fire-extinguishing mechanism of high-voltage switch cabinet | |
| CN202146532U (en) | Disaster emergency insurance cabin | |
| CN207233171U (en) | A kind of fire resistant doorsets wireless door magnetic switch alarm device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |