CN211449589U

CN211449589U - Same speed ratio output gear box

Info

Publication number: CN211449589U
Application number: CN201922164844.0U
Authority: CN
Inventors: 梅亮
Original assignee: Tianjin Boruitai Machinery Parts Co ltd
Current assignee: Tianjin Boruitai Machinery Parts Co ltd
Priority date: 2019-12-06
Filing date: 2019-12-06
Publication date: 2020-09-08
Anticipated expiration: 2029-12-06

Abstract

The utility model discloses a with speed ratio output gear case relates to gear box technical field. This output gear case with speed ratio, the power distribution box comprises a box body, the positive surface card of box upside is equipped with first bearing cover, the positive surface card of box downside is equipped with the second bearing cover, the box all is through the first tapered roller bearing of hexagonal head screw fixedly connected with, two the hexagonal head screw all overlaps on being located the outside of box and is equipped with the elasticity packing ring. This same speed ratio output gear case, actuating mechanism drives first gear and rotates in first tapered roller bearing's inside through first key strip and first pivot, reduce the friction of first pivot and box, first gear drives the rotation of second gear, the second gear drives the second pivot through the second key strip and rotates in second tapered roller bearing and third tapered roller bearing's inside, reduce the friction with the box, reduce frictional force, first gear and second gear size are the same, make the gear case export with the same speed ratio.

Description

Same speed ratio output gear box

Technical Field

The utility model relates to a gear box technical field specifically is with speed ratio output gear box.

Background

The gearbox is an important part widely applied to mechanical transmission, the gearbox is widely applied to a wind generating set, the gearbox bears acting force from a wind wheel and counter force generated during gear transmission, and has enough rigidity to bear the action of the acting force and moment, so that deformation is prevented, transmission quality is guaranteed, and the design of the gearbox body is carried out according to the requirements of layout arrangement, processing and assembly conditions, convenience in inspection and maintenance and the like of power transmission of the wind generating set.

The existing gear box has good transmission effect and enough rigidity when in use, but basically has speed change when in use, the sizes of gears are different, and the friction force is very large, so that the existing gear box can not output with the same speed ratio.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a with speed ratio output gear case, use the back, reduce frictional force makes the gear box can export with the velocity ratio.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the output gear box with the same speed ratio comprises a box body, wherein a first bearing cover is clamped on the front surface of the upper side of the box body, a second bearing cover is clamped on the front surface of the lower side of the box body, the box body is fixedly connected with a first tapered roller bearing through a hexagonal head screw, two hexagonal head screws are positioned on the outer side of the box body and are respectively sleeved with an elastic gasket, a flat gasket is sleeved on one side, opposite to the elastic gasket, of the two hexagonal head screws, a first rotating shaft is sleeved between the two first tapered roller bearings, a first gear is fixedly connected onto the first rotating shaft through a first key strip, first shaft sleeves are sleeved on the first rotating shaft and positioned on two sides of the first gear, a second tapered roller bearing is fixedly installed on one side of the inner wall of the lower side of the box body, a second rotating shaft is inserted into the second tapered roller bearing, and a second shaft sleeve is sleeved on the second, and a second gear is sleeved on the second rotating shaft through a second key strip, and a third conical roller bearing is fixedly mounted on the other side of the inner wall of the lower side of the box body.

Preferably, a third bearing cover is fixedly mounted on one side tube of the second conical roller bearing, which is opposite to the third conical roller bearing, through a hexagon head screw.

Preferably, the mounting through holes matched with the third bearing covers are formed in the two sides of the box body, and the top of the box body is open.

Preferably, the second rotating shaft is inserted into the second tapered roller bearing and the third tapered roller bearing, and the second rotating shaft extends to the outside of both sides of the case.

Preferably, a third keybar is fixedly mounted at the top of one end of the second rotating shaft, and a fourth keybar is fixedly mounted at the top of the other end of the second rotating shaft.

Preferably, teeth on the first gear and teeth on the second gear are meshed, and the size of the first gear is the same as that of the second gear.

The utility model provides a with speed ratio output gear box. The method has the following beneficial effects:

(1) this same speed ratio output gear case, actuating mechanism drives first gear and rotates in first tapered roller bearing's inside through first key strip and first pivot, reduce the friction of first pivot and box, first gear drives the rotation of second gear, the second gear drives the second pivot through the second key strip and rotates in second tapered roller bearing and third tapered roller bearing's inside, reduce the friction with the box, reduce frictional force, first gear and second gear size are the same, make the gear case export with the same speed ratio.

(2) The two ends of the second rotating shaft respectively drive the two linkage mechanism models to work through the third key strip and the fourth key strip, and the two linkage mechanisms can be driven to work at the same speed.

Drawings

FIG. 1 is a front view of the structure of the present invention;

FIG. 2 is a sectional view of the structure of the present invention;

fig. 3 is a side view of the present invention.

In the figure: 1. a box body; 2. a first bearing cover; 3. a second bearing cover; 4. a hexagonal head screw; 5. an elastic washer; 6. flattening the cushion; 7. a first tapered roller bearing; 8. a first gear; 9. a first keybar; 10. a first bushing; 11. a first rotating shaft; 12. a third bearing cover; 13. a third keybar; 14. a second rotating shaft; 15. a second tapered roller bearing; 16. a second shaft sleeve; 17. a second gear; 18. a third tapered roller bearing; 19. a second keybar; 20. a fourth keybar.

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.

Examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: the same-speed-ratio output gear box comprises a box body 1, wherein mounting through holes matched with a third bearing cover 12 are formed in two sides of the box body 1, the top of the box body 1 is in an open shape, a first bearing cover 2 is clamped on the front surface of the upper side of the box body 1, a second bearing cover 3 is clamped on the front surface of the lower side of the box body 1, first conical roller bearings 7 are fixedly connected to the box body 1 through hexagonal head screws 4, elastic gaskets 5 are sleeved on the outer sides of the two hexagonal head screws 4 on the box body 1, flat gaskets 6 are sleeved on one sides, opposite to the elastic gaskets 5, of the two hexagonal head screws 4, a first rotating shaft 11 is sleeved between the two first conical roller bearings 7, a first gear 8 is fixedly connected to the first rotating shaft 11 through a first key strip 9, teeth on the first gear 8 are meshed with teeth on a second gear 17, the size of the first gear 8 is the same as that of the second gear 17, a first shaft sleeve 10 is sleeved on both sides of a first rotating shaft 11 and positioned on a first gear 8, a second tapered roller bearing 15 is fixedly installed on one side of the inner wall of the lower side of the box body 1, a third bearing cover 12 is fixedly installed on one side of a cylinder of the second tapered roller bearing 15, which is opposite to the third tapered roller bearing 18, through a hexagon screw 4, a second rotating shaft 14 is inserted in the second tapered roller bearing 15, a third key bar 13 is fixedly installed on the top of one end of the second rotating shaft 14, a fourth key bar 20 is fixedly installed on the top of the other end of the second rotating shaft 14, the second rotating shaft 14 is inserted in the second tapered roller bearing 15 and the third tapered roller bearing 18, the second rotating shaft 14 extends out of both sides of the box body 1, a second shaft sleeve 16 is sleeved on the second rotating shaft 14, a second gear 17 is sleeved on the second rotating shaft 14 through a second key bar 19, a third tapered roller bearing 18 is fixedly installed on the other side of the inner wall of the lower side of the, the driving mechanism drives the first gear 8 to rotate inside the first tapered roller bearing 7 through the first key strip 9 and the first rotating shaft 11, friction between the first rotating shaft 11 and the box body 1 is reduced, the first gear 8 drives the second gear 17 to rotate, the second gear 17 drives the second rotating shaft 14 to rotate inside the second tapered roller bearing 15 and the third tapered roller bearing 18 through the second key strip 19, friction between the second gear 17 and the box body 1 is reduced, friction force is reduced, the gear sizes of the first gear 8 and the second gear 17 are the same, the gear box can output at the same speed ratio, two ends of the second rotating shaft 14 drive two linkage mechanism models to work through the third key strip 13 and the fourth key strip 20 respectively, and the two linkage mechanisms can be driven to work at the same speed simultaneously.

During the use, with the both ends of second pivot 14 respectively through third key strip 13 and fourth key strip 20 fixed connection in the linkage, actuating mechanism drives first gear 8 and rotates in first tapered roller bearing 7's inside through first key strip 9 and first pivot 11, reduce the friction of first pivot 11 and box 1, first gear 8 drives second gear 17 rotatory, second gear 17 drives second pivot 14 through second key strip 19 and rotates in the inside of second tapered roller bearing 15 and third tapered roller bearing 18, reduce the friction with box 1, the both ends of second pivot 14 drive two link gear models work through third key strip 13 and fourth key strip 20 respectively.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. With speed ratio output gear box, including box (1), its characterized in that: the front surface of the upper side of the box body (1) is clamped with a first bearing cover (2), the front surface of the lower side of the box body (1) is clamped with a second bearing cover (3), the box body (1) is fixedly connected with a first tapered roller bearing (7) through a hexagonal head screw (4), two hexagonal head screws (4) are positioned on the outer side of the box body (1) and are all sleeved with an elastic gasket (5), a flat gasket (6) is sleeved on one side, opposite to the elastic gasket (5), of the two hexagonal head screws (4), a first rotating shaft (11) is sleeved between the two first tapered roller bearings (7), a first gear (8) is fixedly connected with the first rotating shaft (11) through a first key bar (9), a first shaft sleeve (10) is sleeved on both sides, positioned on the first gear (8), and a second tapered roller bearing (15) is fixedly mounted on one side of the lower side inner wall of the box body (1), the inside of second tapered roller bearing (15) is inserted and is equipped with second pivot (14), and is equipped with second shaft sleeve (16) on second pivot (14), it is equipped with second gear (17) to overlap through second keybar (19) on second pivot (14), the opposite side fixed mounting of box (1) downside inner wall has third tapered roller bearing (18).

2. The same speed ratio output gearbox as in claim 1, wherein: and a third bearing cover (12) is fixedly arranged on one side of the second conical roller bearing (15) and the third conical roller bearing (18) which are opposite to each other through a hexagon head screw (4).

3. The same speed ratio output gearbox as in claim 2, wherein: the mounting through holes matched with the third bearing cover (12) are formed in the two sides of the box body (1), and the top of the box body (1) is open.

4. The same speed ratio output gearbox as in claim 1, wherein: the second rotating shaft (14) is inserted in the second conical roller bearing (15) and the third conical roller bearing (18), and the second rotating shaft (14) extends out of two sides of the box body (1).

5. The same speed ratio output gearbox as in claim 1, wherein: the top of one end of the second rotating shaft (14) is fixedly provided with a third key bar (13), and the top of the other end of the second rotating shaft (14) is fixedly provided with a fourth key bar (20).

6. The same speed ratio output gearbox as in claim 1, wherein: the teeth on the first gear (8) are meshed with the teeth on the second gear (17), and the size of the first gear (8) is the same as that of the second gear (17).