CN217842657U - Bearing protector - Google Patents

Abstract

The utility model discloses a bearing protector, bearing protector cup joints in changeing epaxial stationary ring and rotatory ring including the clearance, be equipped with first buckle and first draw-in groove on the stationary ring, be equipped with second buckle and second draw-in groove on the rotatory ring, first buckle with the second draw-in groove and first draw-in groove pairs the combination with the second buckle respectively, realize stationary ring and rotatory ring at the fixed combination of vertical direction, radially insert on the stationary ring and to have to block the second buckle in order to realize at stationary ring and rotatory fixed fastening bolt on the horizontal direction, at the inside ring cavity who installs the sealing washer that floats that is equipped with of rotatory ring and stationary ring, the sealing washer sealing connection stationary ring that floats and rotatory ring. The utility model discloses change traditional bearing protector into detachable, simplify the installation dismantlement process of bearing protector, conveniently maintain the bearing protector to can in time discover the fault reason of bearing protector.

Description

Bearing protector

Technical Field

The utility model belongs to the technical field of the bearing protection, specifically speaking relates to a bearing protector.

Background

The bearing protector is a special isolating device for replacing a transmission framework oil seal, can prevent oil at the bearing position in bearing box equipment from leaking to the outside, and prevents outside water vapor and impurities from entering a bearing cavity to influence the use of the bearing. The bearing protector greatly prolongs the service life of the bearing and the equipment, and is mainly suitable for sealing parts of bearing boxes such as fans, compressors, speed reducers, gear boxes, motors and pumps.

A bearing protector on the market comprises rotatory ring, stationary ring, floating seal circle, and floating seal circle sets up in the dead slot that forms between rotatory ring and the stationary ring, and the stationary ring is fixed on the casing of equipment, rotatory ring through its inside rotor seal circle that sets up with the rotor of rotary equipment is connected to the effect in the bearing of equipment is got into in the realization oil leak of prevention equipment and the reduction impurity, this equipment structure is simple, simple to operate, can effectively prolong the life of bearing and equipment.

However, most of the bearing protectors including the above-mentioned existing bearing protectors on the market are designed to be non-detachable, and have the following problems: the installation for producing the bearing protector is more complicated; when the bearing protector breaks down, the bearing protector is difficult to disassemble for maintenance; it is inconvenient to know the internal condition of the failed bearing protector and to investigate the cause of the failure.

Disclosure of Invention

Aiming at the problem that the prior bearing protector is inconvenient to disassemble, the invention provides the following utility model.

The utility model provides a bearing protector, bearing protector includes and is connected and the clearance cup joints the epaxial stationary ring in the pivot of equipment with the equipment casing, the uncovered department in the outside of stationary ring installs radial gap and cup joints in the epaxial rotatory ring that rotates, the stationary ring is inside to form the annular chamber with rotatory ring combination back, is equipped with the floating seal who receives stationary ring and rotatory ring mutual extrusion in the annular chamber, floating seal sealing connects stationary ring and rotatory ring. The end face of the static ring is provided with a first buckle and a first clamping groove, the end face of the rotating ring is provided with a second buckle and a second clamping groove, the first buckle, the second clamping groove, the first clamping groove and the second buckle are matched and combined to realize the fixed combination of the static ring and the rotating ring in the vertical direction, and a fastening bolt capable of clamping the second buckle to realize the fixed combination of the static ring and the rotating ring in the horizontal direction is radially inserted into the static ring.

Preferably, an annular stator groove for mounting a stator sealing ring is arranged on the annular surface of the stationary ring, and the stator sealing ring is connected with the stationary ring and the equipment shell in a sealing manner; the annular surface of the rotating ring is provided with an annular rotor groove for installing a rotor sealing ring, and the rotor sealing ring is sleeved on the rotating shaft to be connected with the rotating ring and the rotating shaft in a sealing manner.

Advantageous effects

The utility model discloses a change original not detachable bearing protector structure into and adopt fastening bolt fixed connection for bearing protector installation dismantlement becomes simple swift, simplifies the installation dismantlement process of bearing protector, and the convenience is maintained the bearing protector, and can in time discover the fault reason of bearing protector.

Drawings

Fig. 1 is a schematic sectional structure view of a middle bearing protector according to the present invention;

fig. 2 is an enlarged schematic structural diagram of a part a of the middle bearing protector of the present invention.

The correspondence between the labels of the various figures in the drawing and the names of the components is as follows:

1. a stationary ring; 2. a rotating ring; 3. a stator seal ring; 4. a rotor seal ring; 5. a floating seal ring; 6. fastening a bolt; 7. a rotating shaft; 101. an annular chamber; 102. an annular stator slot; 103. a first buckle; 104. a first card slot; 201. an annular rotor groove; 202. a second buckle; 203. and a second card slot.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, which are part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present embodiment, the terms of orientation such as "vertical", "horizontal", etc. are used relative to the drawings and should not be construed as specifically limiting the present invention; the following ordinal numbers "first" and "second" are merely for convenience of describing the present invention, and do not represent the importance of the components.

The bearing protector as shown in fig. 1-2 comprises a stationary ring 1 and a rotating ring 2, wherein the stationary ring 1 is fixedly connected with an equipment housing and radially sleeved on a rotating shaft 7 of the equipment with a certain gap, the rotating ring 2 is installed at an outer opening of the stationary ring 1 and radially sleeved on the rotating shaft 7 with a certain gap, an annular chamber 101 is formed between the stationary ring 1 and the rotating ring 2, a floating seal ring 5 extruded by the stationary ring 1 and the rotating ring 2 is arranged in the annular chamber 101, the floating seal ring 5 is hermetically connected with the stationary ring 1 and the rotating ring 2 to realize the fixed combination of the stationary ring 1 and the rotating ring 2 in the horizontal direction, and the rotating ring 2 can rotate on the floating seal ring 5.

Specifically, an annular first buckle 103 protruding outwards and an annular first clamping groove 104 recessed inwards are arranged on the annular outer side end face of the stationary ring 1; a convex annular second buckle 202 and a concave annular second clamping groove 203 are arranged on the end surface of the annular inner side of the rotating ring 2; the stationary ring 1 is radially provided with a fastening bolt 6, and the fastening bolt is connected from the outer annular surface of the stationary ring 1 to the first clamping groove 104. When the stationary ring 1 and the rotating ring 2 are assembled, the first buckle 103 is horizontally matched and connected with the second clamping groove 203, and the second buckle 202 is horizontally matched and connected with the first clamping groove 104, so that the stationary ring 1 and the rotating ring 2 are fixedly assembled in the vertical direction, the fastening bolt 6 is screwed into the stationary ring 1 to transversely clamp the second buckle 202, and the stationary ring 1 and the rotating ring 2 are fixedly assembled in the horizontal direction. The bearing protector installation dismantlement process in this embodiment is comparatively simple and convenient, only needs to pull down fastening bolt 6, then inwards presses rotatory ring 2 compression floating seal ring 5, rotatory ring 5 alright with transversely take off, be convenient for install, maintain, fault detection bearing protector.

Further, an annular stator groove 102 is formed in an outer annular surface of the stationary ring 1, a stator seal ring 3 is installed in the annular stator groove 102, and the stator seal ring 3 is used for sealing a gap between the stationary ring 1 and an equipment shell, so that the stationary ring 1 is hermetically connected with the equipment shell, external impurities are prevented from entering the equipment, and a bearing in the equipment is protected; rotatory ring 2 is equipped with cyclic annular rotor groove 201 on its inside anchor ring, cyclic annular rotor groove 201 is embedded to have rotor seal 4, rotor seal 4 cup joints on pivot 7 with sealing connection pivot 7 and rotatory ring 2, and the outside impurity of separation gets into inside the equipment from pivot 7, reduces the damage to equipment pivot 7 and bearing.

Claims (2)

1. A bearing protector comprises a stationary ring (1) which is connected with an equipment shell and is sleeved on a rotating shaft (7) of equipment in a clearance manner, a rotating ring (2) which is sleeved on the rotating shaft (7) in the clearance manner is installed at an outer opening of the stationary ring (1), an annular chamber (101) is formed in the stationary ring (1) and the rotating ring (2) after combination, a floating seal ring (5) which is mutually extruded by the stationary ring (1) and the rotating ring (2) is arranged in the annular chamber (101), and the floating seal ring (5) is in sealing connection with the stationary ring (1) and the rotating ring (2);

the method is characterized in that: the end face of the stationary ring (1) is provided with a first buckle (103) and a first clamping groove (104), the end face of the rotating ring (2) is provided with a second buckle (202) and a second clamping groove (203), the first buckle (103) is connected with the second clamping groove (203) and the first clamping groove (104) is connected with the second buckle (202) so as to achieve the fixed combination of the stationary ring (1) and the rotating ring (2) in the vertical direction, the stationary ring (1) is radially provided with a fastening bolt (6) capable of clamping the second buckle (202), and the fastening bolt (6) is used for fixedly combining the stationary ring (1) and the rotating ring (2) in the horizontal direction.

2. The bearing protector of claim 1, wherein: an annular stator groove (102) for mounting a stator sealing ring (3) is arranged on the annular surface of the static ring (1), and the stator sealing ring (3) is connected with the static ring (1) and the equipment shell in a sealing manner; the annular rotor groove (201) for installing the rotor sealing ring (4) is arranged on the annular surface of the rotating ring (2), and the rotor sealing ring (4) is sleeved on the rotating shaft (7) to connect the rotating ring (2) and the rotating shaft (7).

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