CN215257753U - Sealing mechanism of gear box - Google Patents

Abstract

The utility model discloses a sealing mechanism of gear box, including last casing, last platform, lower casing and lower platform, the lower part border of going up the casing is provided with the upper platform, and the upper portion border of lower casing is provided with lower platform, and the upper platform is located the top of lower platform, still includes: the sealing structures are arranged at the edges of the upper side table and the lower side table and are used for sealing the gear box; fixed structures arranged on the upper side table and the lower side table; and install in last platform and lower bench fore-and-aft spread power structure, can be better airtight gear box to can be convenient for open the gear box and overhaul.

Description

Sealing mechanism of gear box

Technical Field

The utility model relates to a sealing mechanism of gear box.

Background

Gearboxes are used in a wide range of applications, for example in wind power installations, where gearboxes are an important mechanical component. The wind power generator mainly has the function of transmitting the power generated by the wind wheel under the action of wind power to the generator and enabling the generator to obtain corresponding rotating speed. The speed of the wind wheel is usually very low, and the speed of the wind wheel is far less than the speed required by the generator to generate electricity, and the speed is increased by the speed increasing action of a gear pair of the gearbox, so the gearbox is also called as a speed increasing box.

Common gear box is because inside gear structure is comparatively accurate, often need make into the integral type with its shell, but when breaking down and need the maintenance, often be difficult to open, and some gear box leakproofness is relatively poor, leads to the inside gear of gear box to rust for its life-span greatly reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a sealing mechanism of gear box can be better airtight gear box to can be convenient for open the gear box and overhaul.

The technical scheme for realizing the purpose is as follows: the utility model provides a sealing mechanism of gear box, includes casing, last platform, lower casing and lower platform, the lower part border of going up the casing is provided with the platform of going up, the upper portion border of casing is provided with down the platform, it is located to go up the platform the top of platform still includes down: the sealing structure is arranged at the edges of the upper side table and the lower side table and used for sealing the gear box; a fixed structure mounted on the upper and lower side tables; and a power transmission structure arranged in front of and behind the upper side table and the lower side table.

Preferably: the sealing structure comprises a boss, a plurality of convex blocks, a plurality of grooves and sealing strips, the boss is installed below the upper table, the convex blocks are arranged at the edge of the boss, the lower table is provided with the concave blocks, the concave grooves which are the same in number and correspondingly matched with the convex blocks on the upper table are formed in the lower table, and the sealing strips are arranged inside the concave grooves.

Preferably: fixed knot constructs including a plurality of rectangular screws, straight line groove, a plurality of gasket, a plurality of hole and a plurality of screw hole, lower side bench border is opened there is a plurality of the screw hole, go up the bench open with lower side bench the screw hole corresponds the hole, each the hole is inside all to be installed rectangular screw, each all overlap on the rectangular screw have the gasket in each hole top, each rectangular screw upper surface has all been opened a straight line groove.

Preferably: the power transmission structure comprises two pipe connectors and two bearings, holes for accommodating the rear ends of the pipe connectors are formed in the front and the rear of the upper platform and the lower platform, the rear ends of the two pipe connectors are respectively installed in the holes between the upper platform and the lower platform, the bearings are installed inside rear end pipelines of the pipe connectors, and the outer ring walls of the bearings are fixedly connected with the inner walls of the rear end pipelines of the pipe connectors.

Preferably: and the pipe connector is provided with a sealing ring.

The utility model has the advantages that: through the installation boss, the lug, recess and sealing strip, be convenient for improve the seal of gear box, prevent that external steam from getting into, corrode inside components and parts, through installing rectangular screw, the straight line groove, the gasket, hole and screw hole, be convenient for install and dismantle the gear box, can be effectively timely overhaul and maintain, through the installation gasket, be convenient for protect the casing, through installation tube connector and bearing, the inside power of the gear box of being convenient for can effectually spread, the loss of minimize kinetic energy, improve kinetic energy output, through the installation sealing washer, prevent when fixed mounting, near tube connector produces the space, prevent that steam from getting into, protect internal component.

Drawings

Fig. 1 is a schematic structural diagram of a sealing mechanism of a gear box according to the present invention;

FIG. 2 is a schematic structural view of the upper housing and the upper ledge of the present invention;

fig. 3 is a schematic view of the internal structure of the pipe connector of the present invention.

Reference numerals: 1. an upper housing; 2. a straight slot; 3. a strip screw; 4. a gasket; 5. a hole; 6. an upper edge table; 7. a threaded hole; 8. a groove; 9. a sealing strip; 10. a lower side platform; 11. a lower housing; 13. a seal ring; 14. a boss; 15. a bump; 16. a pipe connector; 17. and a bearing.

Detailed Description

The technical solution of the present invention will be clearly and completely described with reference to the accompanying drawings. In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance.

The present invention will be further explained with reference to the accompanying drawings.

Example one

The gear box of common integral type, it is ageing when the internal gear appears, when need clean lubricating oil, hardly open it, lead to the gear box life-span to reduce, refer to fig. 1 to 3, a sealing mechanism of gear box, including last casing 1, last platform 6, lower casing 11, lower platform 10, seal structure, fixed knot constructs and spreads power structure, the lower part border of going up casing 1 is provided with last platform 6, the upper portion border of casing 11 is provided with lower platform 10 down, last platform 6 is located the top of lower platform 10, still include: the sealing structures are arranged at the edges of the upper edge platform 6 and the lower edge platform 10 and are used for sealing the gear box; the fixed structure is arranged on the upper edge platform 6 and the lower edge platform 10; and the power transmission structure is arranged in front of and behind the upper edge platform 6 and the lower edge platform 10.

The sealing structure comprises a boss 14, a plurality of convex blocks 15, a plurality of grooves 8 and sealing strips 9, the boss 14 is installed below the upper edge table 6, the plurality of convex blocks 15 are arranged at the edge of the boss 14, the grooves 8 which are identical with the convex blocks 15 on the upper edge table 6 in number and correspond to the upper edge table 6 are formed in the lower edge table 10, and the sealing strips 9 are arranged inside the grooves 8.

Fixed knot constructs including a plurality of rectangular screws 3, straight line groove 2, a plurality of gasket 4, a plurality of hole 5 and a plurality of screw hole 7, and lower side bench 10 upper limit edge is opened has a plurality of screw hole 7, and it has the hole 5 that corresponds with the screw hole 7 of lower side bench 10 to open on the upper side bench 6, and rectangular screw 3 is all installed to each inside of hole 5, and it has gasket 4 in each hole 5 top all to overlap on each rectangular screw 3, and each rectangular screw 3 upper surface has all opened a straight line groove 2.

The power transmission structure comprises two pipe connectors 16 and two bearings 17, holes for accommodating the rear ends of the pipe connectors 16 are formed in the front and the rear of the upper platform 6 and the lower platform 10, the rear ends of the two pipe connectors 16 are respectively arranged in the holes between the upper platform 6 and the lower platform 10, the bearings 17 are arranged in the rear end pipelines of the pipe connectors 16, and the outer ring walls of the bearings 17 are fixedly connected with the inner walls of the rear end pipelines of the pipe connectors 16.

The gearbox can be conveniently opened for internal maintenance and inspection, and lubricating oil is added to ensure the normal operation of the gearbox, so that the service life of the gearbox is prolonged.

Example two

Since the power output necessarily needs to be in contact with the outside, referring to fig. 1 and 3, the front end of the pipe joint member 16 is large and the pipe joint member 16 is provided with the seal ring 13, so that the corrosion of water vapor can be reduced as much as possible when the power output shaft inside the gear box is in contact with the outside, so as to improve the sealing performance and the service life of the gear box.

The working principle is as follows: firstly, a gear set is arranged in an upper shell 1 and a lower shell 11, a pipe connector 16 and a bearing 17 are arranged in the front and the rear of a gear box, then an output end and an input end of the gear set respectively extend out of the center of the bearing 17 and are arranged in the pipe connector 16 for connecting an external driving structure, then a sealing strip 9 is arranged on the inner wall of each groove 8, then a convex block 15 on an upper platform 6 is placed in the groove 8 of a lower platform 10 corresponding to the groove 8 of the lower platform 10, a strip screw 3 is sleeved on a gasket 4 and extends into a threaded hole 7 on the edge of the upper platform 6 along the edge of the lower platform 10 for screwing, the upper platform 6 and the lower platform 10 are tightly screwed and sealed, the front and rear surfaces of the upper platform 6 and the lower platform 10 are pressed in a sealing ring 13 arranged at the joint of the pipe connector 16, and the sealing performance in the gear box is ensured.

The above embodiments are provided only for the purpose of illustration, not for the limitation of the present invention, and those skilled in the relevant art can make various changes or modifications without departing from the spirit and scope of the present invention, therefore, all equivalent technical solutions should also belong to the scope of the present invention, and should be defined by the claims.

Claims (5)

1. The utility model provides a sealing mechanism of gear box, includes casing (1), last side table (6), casing (11) and lower side table (10) down, the lower part border of going up casing (1) is provided with last side table (6), the upper portion border of casing (11) is provided with down side table (10), last side table (6) are located the top of lower side table (10), its characterized in that: further comprising:

the sealing structures are arranged at the edges of the upper edge platform (6) and the lower edge platform (10) and are used for sealing the gear box;

a fixed structure mounted on the upper side table (6) and the lower side table (10); and

and the power transmission structures are arranged in the front and the back of the upper side platform (6) and the lower side platform (10).

2. A gear box sealing mechanism according to claim 1, wherein: the sealing structure comprises a boss (14), a plurality of convex blocks (15), a plurality of grooves (8) and sealing strips (9), the boss (14) is installed below the upper side platform (6), the edges of the boss (14) are provided with the plurality of convex blocks (15), the lower side platform (10) is provided with the concave blocks (8) which are the same in number and correspondingly fit with the convex blocks (15) on the upper side platform (6), and the sealing strips (9) are arranged inside the grooves (8).

3. A gear box sealing mechanism according to claim 1, wherein: fixed knot constructs including a plurality of rectangular screws (3), word groove (2), a plurality of gasket (4), a plurality of hole (5) and a plurality of screw hole (7), lower border is opened and is had a plurality of screw hole (7) on lower side platform (10), open on upper side platform (6) have with lower side platform (10) screw hole (7) correspond hole (5), each hole (5) inside all installs rectangular screw (3), each all overlap on rectangular screw (3) have gasket (4) in each hole (5) top, each rectangular screw (3) upper surface is all opened word groove (2).

4. A gear box sealing mechanism according to claim 1, wherein: the power transmission structure comprises two pipe connectors (16) and two bearings (17), holes for accommodating the rear ends of the pipe connectors (16) are formed in the front and the back of the upper platform (6) and the lower platform (10), the rear ends of the two pipe connectors (16) are respectively installed in the holes between the upper platform (6) and the lower platform (10), the bearings (17) are installed in rear end pipelines of the pipe connectors (16), and the outer ring wall of each bearing (17) is fixedly connected with the inner wall of the rear end pipeline of the pipe connector (16).

5. A gearbox seal mechanism according to claim 4, further comprising: and a sealing ring (13) is arranged on the pipe connector (16).

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