CN208870734U - A kind of hydrogenerator air-breather - Google Patents

Abstract

The utility model discloses a kind of hydrogenerator air-breathers, it is desirable to provide a kind of hydrogenerator air-breather easy to maintain.It includes snorkel, is installed on snorkel lower end and joint face has the ring flange of gasket；The upper end setting of the snorkel has the steel deck-plate of through-hole；It is equipped with screw rod on the steel deck-plate, is set with pipe on the screw rod；The both ends of the screw rod have screwed nut；The center setting partition snorkel of the pipe and the partition for being provided with venthole；Filled with the first ventilation energy-dissipation net in the snorkel, positioned at the upper end of partition；It is arranged at intervals with several staggered baffle plates on the pipe outer wall, below partition, makes to form bending air passage in snorkel；The upper end of the baffle plate, which is provided with, washs felt seal plate；Oil pooling hood is provided in the external wall of upper portion of the snorkel；The upper end of the oil pooling hood is provided with top blind flange；Filled with the second ventilation energy-dissipation net in the oil pooling hood.

Description

A kind of hydrogenerator air-breather

Technical field

The utility model relates to vertical hydrogenerator technical fields, ventilate and fill more particularly, to a kind of hydrogenerator It sets.

Background technique

The radial mechanical imbalance power and electromagnetism that the guide bearing of vertical hydrogenerator is used to bear unit rotating part are not Equilibrant force swings unit axis within the scope of specified value, plays an important role to the stable operation of unit.Hydrogenerator Guide bearing be typically mounted in the oil groove of frame central body, guide bearing belongs to oil immersed type sliding bearing, thus in frame central Internal portion forms relatively closed oil groove space, and the agitation in unit running process with rotary part in oil groove can not be kept away The generation gasification mist of oil exempted from will not only consume lubricating oil, and will pollute generator windings if oil seal imprecision more, damage Insulation, influences unit safety operation.

Utility model content

The purpose of this utility model is intended to overcome the shortcomings of the prior art, provides one kind and can reduce lubricating oil and disappears Consumption, hydrogenerator air-breather easy to maintain.

In order to solve the above-mentioned technical problem, the utility model is achieved through the following technical solutions:

A kind of hydrogenerator air-breather, including snorkel, are installed on snorkel lower end and joint face has gasket Ring flange；The upper end setting of the snorkel has the steel deck-plate of through-hole；Screw rod, the screw rod are equipped on the steel deck-plate On be set with pipe；The both ends of the screw rod have screwed nut；The center setting of the pipe separates snorkel and sets thereon It is equipped with the partition of venthole；Filled with the first ventilation energy-dissipation net in the snorkel, positioned at the upper end of partition；The pipe outer wall Above, it is arranged at intervals with several staggered baffle plates below partition, makes to form bending air passage in snorkel；Institute The upper end for stating baffle plate, which is provided with, washs felt seal plate；Oil pooling hood is provided in the external wall of upper portion of the snorkel；The oil-collecting The upper end of cover is provided with top blind flange；Filled with the second ventilation energy-dissipation net in the oil pooling hood, and the side wall upper part of oil pooling hood is set It is equipped with venthole；Oil return hole is provided on the snorkel side wall, with oil pooling hood lower part corresponding position.

Preferably, the snorkel is provided with outwardly directed radial annulus；The steel deck-plate passes through with radial annulus It is bolted.

Preferably, the top blind flange is connect by bolt with oil pooling hood.

Preferably, the snorkel is connect by welding with ring flange.

Preferably, the oil pooling hood is connect by welding with snorkel.

Compared with prior art, the utility model has the advantages that

1, this air-breather uses detachable baffle arrangement, overcomes traditional structure and directly welds inside snorkel Complex process, the defect of constructional difficulties of baffle plate.

2, the air-breather of traditional structure is internal after the use that completes just can not clean, when hydrogenerator group leader Between run after, grease stain adherency keeps initial effect to influencing ventilatory effect, and inside this air-breather disassembling cleaning.

3, upper cavity filling ventilation oil return net, further abatement oil gas dynamic pressure are conducive to the utility model in the device The reflux of oil droplet under the effect of gravity.

4, this air-breather had not only realized oil groove and had been connected to the static pressure of outside atmosphere, but also effectively prevent the spilling of oil gas, section About operation expense, it is beautiful and environment-friendly, be conducive to the safe and stable operation of turbine-generator units.

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 can also be obtained according to these attached drawings other attached drawings.

Fig. 1 is the structural schematic diagram of the utility model.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are under that premise of not paying creative labor Every other embodiment obtained, fall within the protection scope of the utility model.In the following description, in order to clearly demonstrate originally The structure and working method of utility model will be described on the basis of attached drawing by many Directional words, but should be incited somebody to action The Word Understandings such as "front", "rear", "left", "right", "upper", "lower" are not construed as word of limitation for convenience of term.

A kind of hydrogenerator air-breather, as shown in Figure 1, passing through screw rod 3 and hydrogenerator rack oil groove when using Lid connection；It includes snorkel 4, is installed on 4 lower end of snorkel and joint face has the ring flange 2 of gasket 1；The ventilation The upper end setting of pipe 4 has the steel deck-plate 14 of through-hole (not shown)；Screw rod 10, the spiral shell are equipped on the steel deck-plate 14 Pipe 7 is set on bar 10；The both ends of the screw rod 10 have screwed nut 11；The center setting partition ventilation of the pipe 7 Pipe 4 and the partition 9 for being provided with venthole (not shown)；It is filled in the snorkel 4, positioned at the upper end of partition 9 First ventilation energy-dissipation net 12, the first ventilation energy-dissipation net can further achieve the purpose that prevent oil gas from overflowing；7 outer wall of pipe Above, several staggered baffle plates 5 are arranged at intervals with positioned at the lower section of partition 9, make to form bending ventilation in snorkel 4 Road；Baffle plate can extend oil gas evolution path, reduce dynamic head after multiple tracks baffling, oil gas congeals into oil droplet, flows back to oil groove, adjacent steel 5 notch of baffle plate is arranged with respect to 180 degree；The upper end of the baffle plate 5, which is provided with, washs felt seal plate 6；The snorkel 4 it is upper Oil pooling hood 17 is provided on portion's outer wall；The upper end of the oil pooling hood 17 is provided with top blind flange 19；Filling in the oil pooling hood 17 There is the second ventilation energy-dissipation net 8, and the side wall upper part of oil pooling hood 17 is provided with venthole 15, the second ventilation energy-dissipation net can further reach To the purpose for preventing oil gas from overflowing；Oil return hole 16 is provided on 4 side wall of snorkel, with 17 lower part corresponding position of oil pooling hood.

Particularly, the snorkel 4 is provided with outwardly directed radial annulus 13；The steel deck-plate 14 and radial annulus 13 are bolted；Obviously clamping or threaded connection etc. also can be used.

Particularly, the top blind flange 19 is connect by bolt with oil pooling hood 17；Obviously clamping or spiral shell also can be used Line connection etc..

Particularly, the snorkel 4 is connect by welding with ring flange 2, and weld seam must not leakage of oil；Obviously it can also adopt With clamping or threaded connection etc..

Particularly, the oil pooling hood 17 is connect by welding with snorkel 4, and weld seam must not leakage of oil；Obviously may be used also Using clamping or threaded connection etc..

When work, as shown by the arrows in Figure 1, the air-breather steel baffle plate is dismountable convenient for cleaning, ventilation for air-flow trend Energy-dissipation net can adjust compactness and replaceable as needed, use for different rotating speeds and size oil groove.The utility model makes oil Slot is connected to ambient atmosphere static pressure, prevents from generating high temperature, high pressure gas inside oil groove.On the other hand when oil gas passes through the device When, dynamic head reduces, and oil gas congeals into oil droplet, flows back to oil groove.It was verified that the sealing in gear oil pipe area can be improved in the utility model Effect reduces or eliminates oil leak.

The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model Protection scope within.

Claims (5)

1. a kind of hydrogenerator air-breather, including snorkel (4), are installed on snorkel (4) lower end and joint face is with close The ring flange (2) of packing (1)；It is characterized by: the upper end setting of the snorkel (4) has the steel deck-plate (14) of through-hole；Institute It states and is equipped on steel deck-plate (14) screw rod (10), be set with pipe (7) on the screw rod (10)；It revolves at the both ends of the screw rod (10) It is screwed with nut (11)；Center setting partition snorkel (4) of the pipe (7) and the partition for being provided with venthole (9)；In the snorkel (4), it is located at the upper end of partition (9) filled with the first ventilation energy-dissipation net (12)；Pipe (7) outer wall Above, it is located at below partition (9) and is arranged at intervals with several staggered baffle plates (5), makes to form bending in snorkel (4) Air passage；The upper end of the baffle plate (5), which is provided with, washs felt seal plate (6)；It is arranged in the external wall of upper portion of the snorkel (4) There are oil pooling hood (17)；The upper end of the oil pooling hood (17) is provided with top blind flange (19)；Filled with the in the oil pooling hood (17) Two ventilations energy-dissipation net (8), and the side wall upper part of oil pooling hood (17) is provided with venthole (15)；On snorkel (4) side wall, with Oil pooling hood (17) lower part corresponding position is provided with oil return hole (16).

2. hydrogenerator air-breather according to claim 1, it is characterised in that: the snorkel (4) is provided with outward Radially extending annulus (13)；The steel deck-plate (14) is bolted with radial annulus (13).

3. hydrogenerator air-breather according to claim 1 or claim 2, it is characterised in that: the top blind flange (19) passes through Bolt is connect with oil pooling hood (17).

4. hydrogenerator air-breather according to claim 1 or claim 2, it is characterised in that: the snorkel (4) passes through welding It is connect with ring flange (2).

5. hydrogenerator air-breather according to claim 1 or claim 2, it is characterised in that: the oil pooling hood (17) passes through weldering It connects and is connect with snorkel (4).