CN210686935U - Bearing bracket for speed reducer gear box - Google Patents

Abstract

The utility model discloses a bearing bracket for speed reducer gear box, including gear box main part, sheath, bearing bracket main part and roller bearing, the sheath is fixed at gear box main part front surface, the bearing bracket main part is fixed at the sheath inner wall, and bearing bracket main part internal surface is provided with the ring channel that can supply roller bearing installs, roller bearing installs in the groove, and installs the axis of rotation in its middle, axis of rotation one end is passed roller bearing and bearing bracket main part and is exposed outside the sheath, the sheath top is provided with the through-hole, installs the lubrication assembly in the hole, the lubrication assembly includes movable rod, fixed pipe and piston, the fixed pipe is fixed in the hole, and the inside is provided with the oil storage chamber, fixed pipe lower surface is provided with out oil pipe; the utility model discloses combine the bearing bracket main part with lubricated subassembly, not only the roller bearing's of being convenient for support is fixed, is convenient for lubricate roller bearing moreover, reduces its relative friction that takes place, increases life.

Description

Bearing bracket for speed reducer gear box

Technical Field

The utility model belongs to the technical field of the gear box bearing frame, concretely relates to bearing frame for speed reducer gear box.

Background

Gearboxes are important components that are widely used in mechanical transmissions. The gear box is widely applied to the wind generating set, and has enough rigidity to bear the action of force and moment when bearing the acting force from a wind wheel and the counter force generated during gear transmission, so that the gear box is prevented from deforming and ensures the transmission quality. And the bearing bracket is a member for supporting the bearing in the gear box.

The bearing frame in the existing gear box has the supporting and fixing effects on the bearings, and meanwhile, the bearings are not convenient to lubricate, so that the relative friction between the bearings is increased, and the service life is shortened.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a bearing bracket for speed reducer gear box to bearing bracket in some gear boxes that propose in solving above-mentioned background art plays the support fixed action to the bearing, probably inconveniently lubricate the bearing, cause the relative friction increase between the bearing, reduce life's problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a bearing bracket for speed reducer gear box, includes gear box main part, sheath, bearing bracket main part and roller bearing, the sheath is fixed at gear box main part front surface, the bearing bracket main part is fixed at the sheath inner wall, and bearing bracket main part internal surface is provided with and supplies the ring channel of roller bearing installation, roller bearing installs in the groove, and installs the axis of rotation between them, axis of rotation one end is passed roller bearing and bearing bracket main part and is revealed in the sheath outside, the sheath top is provided with the through-hole, installs lubricating component in the hole, lubricating component includes movable rod, fixed pipe and piston, fixed pipe is fixed in the hole, and inside is provided with the oil storage chamber, the fixed pipe lower surface is provided with out oil pipe, it passes in the bearing bracket main part stretches into roller bearing to go out oil pipe, the arc wall coincidence that its terminal surface and roller were located.

Preferably, one end of the movable rod is exposed outside the fixed pipe, the end part of the movable rod is fixed with a limiting plate, the other end of the movable rod extends into the fixed pipe, the end part of the movable rod is provided with a piston, the side surface of the piston is in extrusion contact with the inner wall of the oil storage cavity, and the piston can move up and down in a reciprocating mode.

Preferably, the piston is a rubber plug, and lubricating oil is filled on the lower surface of the piston and the bottom surface of the oil storage cavity.

Preferably, the sheath lower surface with the department that the lubricated subassembly carried on the back mutually is provided with the collection hole, the collection hole runs through bearing frame main part and sheath, and the top is handstand trapezoidal form, and the lower extreme is connected with outstanding piece, the sheath sub-surface fixation has the collecting box, the inside open slot that is provided with of collecting box, the notch aligns with the collection hole lower extreme.

Preferably, the collecting box bottom is provided with the oil outlet, installs detachable seal assembly in it, seal assembly includes sealed pad and sealing plug, the sealing plug is "T" type, and one end is located the collecting box outside, and during the other end stretched into the oil outlet, its two screw thread closed soon.

Preferably, the sealing gasket is sleeved on the outer surface of the sealing plug, the upper surface and the lower surface of the sealing gasket are in extrusion type contact with the opposite surfaces of the collecting box and the sealing plug respectively, and the sealing gasket is a rubber gasket.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the utility model discloses combine the bearing bracket main part with lubricated subassembly, not only the roller bearing's of being convenient for support is fixed, is convenient for lubricate roller bearing moreover, reduces its relative friction that takes place, increases life.

(2) The utility model discloses combine collecting hole, collecting box and seal assembly, can collect unnecessary lubricating oil and recycle, reduce the waste of lubricating oil, and easy operation is convenient for collect.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic left side view of the present invention with a partially cut-away structure;

FIG. 3 is an enlarged schematic view of the present invention in a partial cross-section;

fig. 4 is an enlarged schematic structural view of the lubricating assembly of the present invention;

fig. 5 is a schematic view of the internal structure of the sealing plug of the present invention;

in the figure: 1. a gear case main body; 2. a sheath; 3. a bearing bracket body; 4. a rotating shaft; 5. a roller bearing; 6. a lubrication assembly; 61. a movable rod; 62. a fixed tube; 63. a piston; 7. a collection well; 8. a collection box; 9. a gasket; 10. a sealing plug; 11. An oil storage chamber.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in 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. 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.

Referring to fig. 1-5, the present invention provides a technical solution: a bearing bracket for a reducer gearbox comprises a gearbox main body 1, a sheath 2, a bearing bracket main body 3 and a roller bearing 5, wherein the sheath 2 is fixed on the front surface of the gearbox main body 1, the bearing bracket main body 3 is fixed on the inner wall of the sheath 2, an annular groove for mounting the roller bearing 5 is formed in the inner surface of the bearing bracket main body 3, the roller bearing 5 is mounted in the groove, a rotating shaft 4 is mounted in the middle of the roller bearing 5, one end of the rotating shaft 4 penetrates through the roller bearing 5 and the bearing bracket main body 3 to be exposed outside the sheath 2, a through hole is formed in the top of the sheath 2, a lubricating component 6 is mounted in the through hole, the lubricating component 6 comprises a movable rod 61, a fixed pipe 62 and a piston 63, the fixed pipe 62 is fixed in the hole, an oil storage cavity 11 is formed in the inner part of the fixed pipe 62, an oil outlet pipe penetrates through the, do not influence the roller and rotate, movable rod 61 one end is exposed in the fixed pipe 62 outside, and the end fixing has a limiting plate, the other end stretches into in the fixed pipe 62, and the piston 63 is installed to the tip, piston 63 side and the extrusion formula contact of oil storage chamber 11 inner wall, and reciprocating motion about the piston 63 can, piston 63 is the rubber buffer, and piston 63 lower surface and the 11 bottom surfaces in oil storage chamber are equipped with lubricating oil, combine bearing bracket main part 3 and lubricated subassembly 6, not only be convenient for roller bearing 5's support is fixed, be convenient for lubricate roller bearing 5, reduce it and take place relative friction, increase of service life.

In this embodiment, preferably, a collection hole 7 is formed in the back of the lubricating component 6 on the lower surface of the sheath 2, the collection hole 7 penetrates through the bearing frame main body 3 and the sheath 2, the top of the collection hole 7 is in an inverted trapezoid shape, the lower end of the collection hole is connected with a protruding block, a collection box 8 is fixed on the lower surface of the sheath 2, an open slot is formed in the collection box 8, a notch is aligned with the lower end of the collection hole 7, an oil outlet is formed in the bottom of the collection box 8, a detachable sealing component is installed in the collection box, the sealing component comprises a sealing gasket 9 and a sealing plug 10, the sealing plug 10 is in a "T" shape, one end of the sealing plug is located on the outer side of the collection box 8, the other end of the sealing plug extends into the oil outlet, the sealing gasket 9 and the sealing plug are screwed, can collect unnecessary lubricating oil and recycle, reduce the waste of lubricating oil, and easy operation is convenient for collect.

The utility model discloses a theory of operation and use flow: when the utility model is used, the rotating shaft 4 rotates under the driving of the gear inside the gear box main body 1 to drive the roller bearing 5 to rotate relatively, when the roller bearing 5 needs to be lubricated, the movable rod 61 is pressed downwards, the movable rod 61 drives the piston 63 to move downwards in a friction way, so that the lubricating oil below the piston 63 enters the position of the roller in the roller bearing 5 along the oil outlet pipe to lubricate the roller bearing, and the lubricating oil continuously flows out under the continuous rotation of the roller bearing 5 and the lubricating oil continuously, so that the whole roller bearing 5 can be lubricated, the relative friction is reduced, the service life is prolonged, the operation is simple and convenient, after the lubricating oil is enough, the downward movement of the movable rod 61 can be stopped, meanwhile, the redundant part of the lubricating oil can flow into the collecting hole 7 to be collected in the collecting box 8, the waste is reduced, the sealing plug 10 can be separated from the oil outlet hole at regular time, the lubricating oil in the collecting box 8 is taken out for reuse.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a bearing bracket for speed reducer gear box, includes gear box main part (1), sheath (2), bearing bracket main part (3) and roller bearing (5), surface, its characterized in that before gear box main part (1) are fixed in sheath (2): the bearing frame main body (3) is fixed on the inner wall of the sheath (2), an annular groove for installing the roller bearing (5) is arranged on the inner surface of the bearing frame main body (3), the roller bearing (5) is installed in the groove, a rotating shaft (4) is arranged in the middle of the sleeve, one end of the rotating shaft (4) penetrates through the roller bearing (5) and the bearing frame main body (3) and is exposed outside the sheath (2), the top of the sheath (2) is provided with a through hole, a lubricating component (6) is arranged in the through hole, the lubricating component (6) comprises a movable rod (61), a fixed pipe (62) and a piston (63), the fixed pipe (62) is fixed in a hole, an oil storage cavity (11) is arranged in the fixing pipe, an oil outlet pipe is arranged on the lower surface of the fixing pipe (62), the oil outlet pipe penetrates through the bearing frame main body (3) and extends into the roller bearing (5), and the end face of the oil outlet pipe is overlapped with the arc-shaped groove where the roller is located.

2. The bearing bracket for the reducer gearbox according to claim 1, characterized in that: movable rod (61) one end exposes in fixed pipe (62) outside, and the end fixing has a limiting plate, and the other end stretches into in fixed pipe (62), and the tip installs piston (63), piston (63) side and oil storage chamber (11) inner wall extrusion formula contact, just reciprocating motion about piston (63) can.

3. The bearing bracket for the reducer gearbox according to claim 2, characterized in that: piston (63) are the rubber buffer, just piston (63) lower surface and oil storage chamber (11) bottom surface are equipped with lubricating oil.

4. The bearing bracket for the reducer gearbox according to claim 1, characterized in that: sheath (2) lower surface with lubricated subassembly (6) department of carrying on the back mutually is provided with collecting hole (7), collecting hole (7) run through bearing frame main part (3) and sheath (2), and the top is handstand trapezoidal form, and the lower extreme is connected with outstanding piece, sheath (2) lower fixed surface has collecting box (8), collecting box (8) inside is provided with the open slot, and the notch aligns with collecting hole (7) lower extreme.

5. The bearing bracket for the reducer gearbox according to claim 4, wherein: the bottom of the collecting box (8) is provided with an oil outlet, a detachable sealing component is installed in the oil outlet, the sealing component comprises a sealing gasket (9) and a sealing plug (10), the sealing plug (10) is of a T shape, one end of the sealing plug is located on the outer side of the collecting box (8), the other end of the sealing plug extends into the oil outlet, and the two threads of the sealing plug are screwed.

6. The bearing bracket for the reducer gearbox according to claim 5, wherein: sealing pad (9) cover is established at sealing plug (10) surface, and upper and lower surface respectively with collecting box (8) and sealing plug (10) opposite face extrusion formula contact, just sealing pad (9) are the rubber pad.

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