CN208508701U - A kind of synchronous generator protective device - Google Patents

Abstract

The utility model relates to generator technical field of auxiliary equipment, more particularly to a kind of synchronous generator protective device, including pedestal, bracket, bellows, air blower, air-guide rod, through-hole, connecting rod, blower, sliding slot, motion bar, mounting plate, telescopic rod, jack and fixed pin, bracket is fixedly installed at the posterior edges of pedestal, cantilever tip is fixedly installed with bellows, air blower is installed on the rear wall of bellows, the front side wall edge of bellows is provided with air-guide rod, through-hole is offered on air-guide rod, the front side of bellows is arranged in blower, blower is fixed by the connecting rod with bellows and connect, the upper surface of pedestal offers sliding slot, the utility model structure is simple, it is easy to install and remove, protective performance is high, generator is effectively avoided to contact with the direct of ground, so that the moisture on ground causes to corrode to generator casing, together When can the whole body entirety to generator be blowed heat dissipation, no heat dissipation dead angle has very strong practicability.

Description

A kind of synchronous generator protective device

Technical field

The utility model relates to generator technical field of auxiliary equipment, and in particular to a kind of synchronous generator protection dress It sets.

Background technique

Generator is the mechanical equipment by the energy conversion of other forms at electric energy, it is by the hydraulic turbine, steam turbine, diesel engine Or the driving of other dynamic power machines, mechanical energy, which is converted, by the energy that water flow, air-flow, fuel combustion or nuclear fission generate is transmitted to Generator, then electric energy is converted to by generator, generator has widely in industrial and agricultural production, national defence, science and technology and daily life Purposes, either diesel-driven generator or gasoline engine generator are all the works done sequentially in either order of each cylinder, act on piston Thrust by connecting rod become push crank rotation strength, thus with dynamic crankshaft rotate, by brushless synchrnous ac generator It is co-axially mounted with power machine crankshaft, so that it may drive the rotor of generator using the rotation of engine, utilize ' electromagnetic induction ' former Reason, generator will export induced electromotive force, and closed load circuit can generate electric current, when generator does not connect load, electricity Pivot electric current is zero, referred to as idle running, the no-load electromotive force that the three-phase windings of motor stator only have exciting current f to generate at this time E0 (three-phase symmetrical), size increases with the increase of f, still, since motor magnetic circuit iron core has saturated phenomenon, so the two is not Directly proportional, the curve of reflection no-load electromotive force 0 and exciting current f relationship is known as the no-load characteristic of synchronous generator.

Currently, the problem of existing generally existing poor radiation of generator base with defencive function, so as to cause hair Motor can not be operated normally due to the raising of temperature at work, greatly reduce the generating efficiency of generator.

Utility model content

In view of the deficiencies of the prior art, the utility model discloses a kind of synchronous generator protective devices, for solving Existing generator heat-radiation inefficient, heat dissipation effect is unobvious, so as to cause the low problem of generating efficiency.

Specific technical solution is as follows:

A kind of synchronous generator protective device, including pedestal, bracket, bellows, air blower, air-guide rod, through-hole, connection Bar, blower, sliding slot, motion bar, mounting plate, telescopic rod, jack and fixed pin are fixedly installed at the posterior edges of the pedestal Bracket, the cantilever tip are fixedly installed with bellows, and air blower, the front side of the bellows are equipped on the rear wall of the bellows Wall edge is provided with air-guide rod, and through-hole is offered on the air-guide rod, and the front side of bellows, the blower is arranged in the blower Be fixed by the connecting rod and connect with the bellows, the upper surface of the pedestal offers sliding slot, the sliding slot setting there are two and It is symmetrically arranged in being slidably installed respectively in the left and right sides on pedestal top, two sliding slots there are two motion bar, two Motion bar in sliding slot is in one-to-one relationship respectively, and the top of the corresponding motion bar in the left and right sides is fixedly connected to installation Plate is fixedly connected with telescopic rod between two motion bars of the same side, offers several on the right side wall of the pedestal Jack, the fixed pin are plugged in jack and securely fix motion bar；

Preferably, the shape of the bellows is collar plate shape and its cross-sectional area is greater than blower cross-sectional area；

Preferably, the air blower is connected with the bellows；

Preferably, the air-guide rod is hollow structure, is connected with the bellows；

Preferably, the air-guide rod is provided with several and is circumferentially evenly spaced in the front side wall edge of bellows；

Preferably, the through-hole is towards the same axis line location of blower.

The utility model has the advantages that

1, synchronous generator is installed on pinnacled mounting plate when the utility model is used, so that generator is separate Ground reduces the corrosion impact of the moisture to generator on ground, extends the service life of generator.

2, the structure setting of the utility model blower combination air-guide rod enables the present apparatus simultaneously to the rear side of generator And surrounding carries out while heat dissipation of drying, so that the heat dissipation of generator is more uniform and quick, avoids the occurrence of heat dissipation dead angle, causes to send out Motor local temperature is excessively high, thus the case where influencing generating efficiency.

3, the utility model mounting plate can be moved on pedestal, to facilitate staff that mounting plate is removed air guide Inside bar, generator is installed, is provided with telescopic rod between two mounting plates of front and rear sides, it can be by adjusting telescopic rod Length, thus adjust two mounting plates between distance so that the present apparatus be suitable for different model size generator installation, Use scope is wide.

4, it is provided with fixed pin on the utility model base side wall, the position of mounting plate can be positioned, prevents from sending out Displacement is generated when motor works.

Detailed description of the invention

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor Under, it is also possible to obtain other drawings based on these drawings.

Fig. 1: synchronous generator protective device main view；

Fig. 2: synchronous generator protective device side view；

Fig. 3: synchronous generator protective device top view.

Appended drawing reference is as follows: 1, pedestal, 2, bracket, 3, bellows, 4, air blower, 5, air-guide rod, 6, through-hole, 7, connecting rod, 8, blower, 9, sliding slot, 10, motion bar, 11, mounting plate, 12, telescopic rod, 13, jack, 14, fixed pin.

Specific embodiment

It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Based on the implementation in the utility model Example, every other embodiment obtained by those of ordinary skill in the art without making creative efforts belong to The range of the utility model protection.

Referring to Fig. 1-3: a kind of synchronous generator protective device, including pedestal 1, bracket 2, bellows 3, air blower 4, air guide Bar 5, through-hole 6, connecting rod 7, blower 8, sliding slot 9, motion bar 10, mounting plate 11, telescopic rod 12, jack 13 and fixed pin 14, bottom It is fixedly installed bracket 2 at the posterior edges of seat 1,2 top of bracket is fixedly installed with bellows 3, is equipped on the rear wall of bellows 3 Air blower 4, the front side wall edge of bellows 3 are provided with air-guide rod 5, and through-hole 6 is offered on air-guide rod 5, and blower 8 is arranged in bellows 3 front side, blower 8 are fixedly connected with bellows 3 by connecting rod 7, and the upper surface of pedestal 1 offers sliding slot 9, and sliding slot 9 is provided with It two and is symmetrically arranged in being slidably installed respectively in the left and right sides on 1 top of pedestal, two sliding slots 9 there are two motion bar 10, the motion bar 10 in two sliding slots 9 is in one-to-one relationship respectively, and the top of the corresponding motion bar 10 in the left and right sides is solid Surely it is connected with mounting plate 11, is fixedly connected with telescopic rod 12, the right side wall of pedestal 1 between two motion bars 10 of the same side On offer several jacks 13, fixed pin 14 is plugged in jack 13 and securely fixes motion bar 10.

Specifically, the shape of bellows 3 is that collar plate shape and its cross-sectional area are greater than 8 cross-sectional area of blower, air blower 4 with Bellows 3 are connected, and air-guide rod 5 is hollow structure, are connected with bellows 3, and air-guide rod 5 is provided with several and circumferentially uniformly arranges Cloth is in the front side wall edge of bellows 3, and through-hole 6 is towards the same axial line of blower 8.

Working principle: when the utility model is used, fixed pin 14 is extracted out of jack 13 first, moves motion bar manually 10, then generator is installed so that 12 spacing of telescopic rod be adjusted according to synchronous generator model size to be installed On the mounting plate 11 of front and rear sides, later, motion bar 10 is pushed manually, generator is moved to the centre of air-guide rod 5, it will 14 grafting of fixed pin enters in jack 13, so that motion bar 10 be fixed, opens blower 8 and air blower 4, blower 8 can be to hairs Motor rear wall cools down, while air blower 4 blasts the air-flow inside bellows 3 and is discharged to device from through-hole 6 by air-guide rod 5 Outside, thus to cooling is blowed around generator simultaneously.

The utility model structure is simple, is easy to install and remove, and protective performance is high, effectively avoids generator and ground Direct contact so that the moisture on ground causes to corrode to generator casing, at the same can the whole body to generator it is all Heat dissipation is blowed, no heat dissipation dead angle has very strong practicability.

Above embodiments are only to illustrate the technical solution of the utility model, rather than its limitations；Although referring to aforementioned reality Example is applied the utility model is described in detail, those skilled in the art should understand that: it still can be to preceding Technical solution documented by each embodiment is stated to modify or equivalent replacement of some of the technical features；And these It modifies or replaces, the spirit and model of various embodiments of the utility model technical solution that it does not separate the essence of the corresponding technical solution It encloses.

Claims (6)

1. a kind of synchronous generator protective device, it is characterised in that: including pedestal (1), bracket (2), bellows (3), air blower (4), air-guide rod (5), through-hole (6), connecting rod (7), blower (8), sliding slot (9), motion bar (10), mounting plate (11), telescopic rod (12), jack (13) and fixed pin (14) are fixedly installed bracket (2), the bracket at the posterior edges of the pedestal (1) (2) top is fixedly installed with bellows (3), is equipped with air blower (4) on the rear wall of the bellows (3), before the bellows (3) It is provided at sidewall edge air-guide rod (5), is offered through-hole (6) on the air-guide rod (5), the blower (8) is arranged in bellows (3) front side, the blower (8) are fixedly connected with the bellows (3) by connecting rod (7), and the upper surface of the pedestal (1) is opened Equipped with sliding slot (9), there are two sliding slot (9) settings and is symmetrically arranged in the left and right sides on pedestal (1) top, two institutes The motion bar (10) stated there are two being slidably installed respectively in sliding slot (9) motion bar (10), in two sliding slots (9) is a pair of in one respectively It should be related to, the top of the corresponding motion bar in the left and right sides (10) is fixedly connected to mounting plate (11), positioned at the two of the same side It is fixedly connected with telescopic rod (12) between a motion bar (10), offers several jacks on the right side wall of the pedestal (1) (13), the fixed pin (14) is plugged in jack (13) and securely fixes motion bar (10).

2. synchronous generator protective device according to claim 1, it is characterised in that: the shape of the bellows (3) is Collar plate shape and its cross-sectional area are greater than blower (8) cross-sectional area.

3. synchronous generator protective device according to claim 1, it is characterised in that: the air blower (4) with it is described Bellows (3) are connected.

4. synchronous generator protective device according to claim 1, it is characterised in that: the air-guide rod (5) is hollow Structure is connected with the bellows (3).

5. synchronous generator protective device according to claim 1, it is characterised in that: the air-guide rod (5) is provided with Several and be circumferentially evenly spaced in the front side wall edges of bellows (3).

6. synchronous generator protective device according to claim 1, it is characterised in that: the through-hole (6) is towards wind The same axis line location of machine (8).