Oil seepage prevention device for low-speed shaft end cover of gearbox

Abstract

The utility model discloses a gear box low-speed shaft end cover oil seepage prevention device, and particularly relates to the technical field of gear boxes, the gear box low-speed shaft end cover oil seepage prevention device comprises a bearing fixed on the outer side of a reduction gearbox low-speed shaft, a backflow assembly is arranged on the outer side of the bearing, an end cover is fixedly connected to the outer side of the backflow assembly, and a first rubber sealing ring is fixedly arranged on the front side of the end cover; an end ring is slidably arranged on the outer side of the end cover, a second rubber sealing ring is fixedly arranged on the front side of the end ring, a connecting ring is fixedly arranged on the rear side of the end ring, and an adjusting assembly is arranged on the front side of the connecting ring. According to the utility model, the backflow assembly is arranged, so that a part of lubricating oil splashed from the interior of the reduction gearbox flows back to the interior of the reduction gearbox, and the other part of lubricating oil is recycled and treated in a centralized manner, thereby solving the problem that the lubricating oil is wasted when the lubricating oil splashed from the interior of the reduction gearbox flies out of a box body or other positions of the box body during working; splashing lubricating oil is directly recycled, and loss of the lubricating oil in the reduction gearbox is difficult to relieve.

Description

TECHNICAL FIELD

[0001] The utility model relates to gear box technical field more specifically, the utility model relates to gear box low speed shaft end cover oil seepage prevention device. BACKGROUND

[0002] The existing gear box low speed shaft oil seepage prevention measure is mainly realized through the low speed end cover, the low speed shaft cover is installed on the output swing frame, and is connected with the torsion arm by bolts, the main function is to block the lubricating oil carried when the input swing frame shaft rotates, avoids the lubricating oil leakage, plays the sealing effect, the mechanical seal between the cover and the swing frame shaft can fail, the internal lubricating oil can flow out through the gap between the cover and the output frame, and the overall sealing structure is extremely troublesome to disassemble during maintenance and maintenance, improves the maintenance and maintenance time, causes the unit downtime to be too long.

[0003] According to patent announcement No. CN218644778U discloses a kind of gear box low speed shaft end cover oil seepage prevention device, including the bearing for being fixed in gear box shell and used to fix low speed shaft and end cover for being fixed in gear box and used to fix bearing, the side wall of low speed shaft is detachably connected with oil throwing ring, this structure solves the problem that the traditional gear box low speed shaft oil seepage prevention device is overall mechanical seal, inconvenient to disassemble during maintenance and maintenance.

[0004] But in actual use, such as the lubricating oil splashed inside the reduction gearbox when working flies out of the box and other positions of the box, causes lubricating oil waste, and directly recycles the lubricating oil splashed, and the lubricating oil loss in reduction gearbox is difficult to alleviate. UTILITY MODEL CONTENTS

[0005] In order to overcome the above-mentioned defects of the prior art, the utility model provides a gear box low speed shaft end cover oil seepage prevention device to solve the problems raised in the above background art.

[0006] To achieve the above purpose, the utility model provides the following technical scheme: a gear box low speed shaft end cover oil seepage prevention device, comprising a bearing fixed on the outside of the low speed shaft of the reduction gearbox, a reflux assembly is provided on the outside of the bearing, an end cover is fixedly connected on the outside of the reflux assembly, a first rubber sealing ring is fixedly provided on the front side of the end cover, an end ring is slidably provided on the outside of the end cover, a second sealing ring is fixedly provided on the front side of the end ring, a connecting ring is fixedly provided on the rear side of the end ring, and an adjusting assembly is provided on the front side of the connecting ring.

[0007] Further description of the above technical scheme:

[0008] The backflow assembly comprises an arc-shaped oil collecting ring fixed outside the outer bearing, a first oil collecting ring fixed outside the arc-shaped oil collecting ring, an oil collecting groove formed on the surface of the first oil collecting ring, a second oil collecting ring fixed on the front side of the first oil collecting ring, and a third oil collecting ring fixed outside the second oil collecting ring.

[0009] As a further description of the above technical solution:

[0010] The bottom of the first oil collecting ring is provided with an oil collecting shell penetrating through the second oil collecting ring and extending to the bottom of the second oil collecting ring, and the bottom of the oil collecting shell is provided with an oil collecting box penetrating through.

[0011] As a further description of the above technical solution:

[0012] The adjusting assembly comprises connecting columns fixed on both sides of the connecting ring, a pressing ring fixed on one end of the connecting column, and two telescopic rods arranged on both sides of the pressing ring.

[0013] As a further description of the above technical solution:

[0014] One end of the telescopic rod is fixedly provided with a limiting plate, the bottom of the limiting plate is fixedly provided with a positioning plate, and one side of the positioning plate is fixedly provided with an arc-shaped assembly plate.

[0015] As a further description of the above technical solution:

[0016] One side of the limiting plate is fixedly provided with an L-shaped plate, and the top of the L-shaped plate is fixedly provided with a handle.

[0017] As a further description of the above technical solution:

[0018] One side of the L-shaped plate is fixedly provided with a sliding block, one side of the sliding block is slidably provided with a sliding frame, and the sliding frame is fixedly connected with the pressing ring.

[0019] The technical effects and advantages of the utility model are as follows:

[0020] 1. Compared with the prior art, the backflow assembly is provided, and part of the lubricating oil splashed in the reduction gearbox can be backflowed to the inside of the reduction gearbox for continuous use through the arc-shaped surface of the arc-shaped oil collecting ring, the first oil collecting ring and the second oil collecting ring, thereby reducing the loss of lubricating oil, and the other part of the lubricating oil can be recycled in the oil collecting box through the oil collecting groove, so that the splashed lubricating oil in the reduction gearbox can be better recycled and collected.

[0021] 2. Compared with the prior art, the adjusting assembly is provided, the end ring is tightly attached to the end cover by pulling and pressing the handle, thereby increasing the area capable of sealing the end part of the reduction gearbox, so as to achieve the function of adjusting the area of the end cover used for different reduction gearboxes, and the adaptability of the end cover is more flexible. DRAWINGS

[0022] Figure 1 It is the whole structure schematic view of the utility model.

[0023] Figure 2 It is the arc oil collecting ring sectional structure schematic view of the utility model.

[0024] Figure 3 It is the press ring sectional structure schematic view of the utility model.

[0025] Figure 4 It is the slide sectional structure schematic view of the utility model.

[0026] The figure mark is: 1, bearing;2, end cover;3, first rubber seal ring;4, end ring;5, connecting ring;6, arc oil collecting ring;7, first oil collecting ring;8, oil collecting groove;9, second oil collecting ring;10, oil collecting shell;11, oil collecting box;12, connecting column;13, press ring;14, telescopic rod;15, limit plate;16, positioning plate;17, arc assembly plate;18, L-shaped plate;19, handle;20, sliding block;21, slide;22, third oil collecting ring;23, second rubber seal ring. DETAILED DESCRIPTION

[0027] The technical scheme in the embodiments of the utility model will be clearly and completely described below with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0028] As shown in the gear box low speed shaft end cover oil seepage prevention device shown in the figure, Figures 1-4 The gear box low speed shaft end cover oil seepage prevention device, comprising the bearing 1 fixed outside the low speed shaft of the reduction gearbox, characterized in that: the outer side of the bearing 1 is provided with a backflow assembly, the outer side of the backflow assembly is fixedly connected with the end cover 2, the front side of the end cover 2 is fixedly provided with the first rubber seal ring 3, the outer side of the end cover 2 is slidably provided with the end ring 4, the front side of the end ring 4 is fixedly provided with the second rubber seal ring 23, the rear side of the end ring 4 is fixedly provided with the connecting ring 5, and the front side of the connecting ring 5 is provided with an adjusting assembly.

[0029] In some embodiments, according to Figure 2 The backflow assembly comprises the arc oil collecting ring 6 fixed outside the bearing 1, the outer side of the arc oil collecting ring 6 is fixedly provided with the first oil collecting ring 7, the surface of the first oil collecting ring 7 is provided with the oil collecting groove 8, the front side of the first oil collecting ring 7 is fixedly provided with the second oil collecting ring 9, and the outer side of the second oil collecting ring 9 is fixedly provided with the third oil collecting ring 22.

[0030] In some embodiments, according to Figure 2As shown, the first oil collecting ring 7 bottom is provided with an oil collecting shell 10, the oil collecting shell 10 penetrates the second oil collecting ring 9 and extends to the second oil collecting ring 9 bottom, the oil collecting shell 10 bottom is provided with an oil collecting box 11, the lubricating oil splashed to the oil collecting groove 8 flows to the oil collecting box 11 for recovery and concentration due to gravity.

[0031] In some embodiments, according to Figure 3 、 4 As shown, the adjusting assembly includes connecting columns 12 fixed on both sides of the connecting ring 5, one end of the connecting column 12 is fixedly provided with a pressing ring 13, both sides of the pressing ring 13 are provided with two telescopic rods 14, and pressing the pressing ring 13 drives the connecting column 12 to move the end ring 4 to the end cover 2, thereby increasing the sealing area of the end cover 2.

[0032] In some embodiments, according to Figure 3 、 4 As shown, one end of the telescopic rod 14 is fixedly provided with a limiting plate 15, the limiting plate 15 bottom is fixedly provided with a positioning plate 16, one side of the positioning plate 16 is fixedly provided with an arc-shaped assembly plate 17, and the telescopic rod 14 provides support and connection for the limiting plate 15 when moving in cooperation with the limiting plate 15.

[0033] In some embodiments, according to Figure 4 As shown, one side of the limiting plate 15 is fixedly provided with an L-shaped plate 18, the L-shaped plate 18 top is fixedly provided with a handle 19, and pulling the handle 19 drives the L-shaped plate 18 to move as the power for moving the arc-shaped assembly plate 17.

[0034] In some embodiments, according to Figure 1 As shown, one side of the L-shaped plate 18 is fixedly provided with a sliding block 20, one side of the sliding block 20 is slidably provided with a sliding frame 21, and the sliding frame 21 is fixedly connected with the pressing ring 13.

[0035] The utility model working principle: combine with the description appendix Figures 1-4 As shown, when the low-speed shaft rotates, the lubricating oil in the reduction gearbox will rotate at high speed, thereby splashing, when the lubricating oil splashes to the arc-shaped oil collecting ring 6, due to the arc-shaped surface of the arc-shaped oil collecting ring 6, the lubricating oil contacting the arc-shaped oil collecting ring 6 surface will splash to the first oil collecting ring 7 surface and the oil collecting groove 8, at the same time, due to the arc-shaped surface of the second oil collecting ring 9 and the third oil collecting ring 22, the splashed lubricating oil forms vortex on the first oil collecting ring 7 and the second oil collecting ring 9 surface, can make the splashed lubricating oil return to the reduction gearbox to a certain extent, the lubricating oil adhering to the arc-shaped oil collecting ring 6 and the oil collecting groove 8 surface flows to the oil collecting shell 10 and finally flows into the oil collecting box 11 for recovery and treatment due to gravity;

[0036] When the utility model needs to connect the larger size reduction box, manually pull two handles 19 to move away from the low speed shaft, handle 19 drives telescopic rod 14 telescopic sliding and drives L-shaped plate 18 to move simultaneously, L-shaped plate 18 drives slider 20 to move at slide 21 again, L-shaped plate 18 drives limiting plate 15 to move again, limiting plate 15 drives locating plate 16 to move again, locating plate 16 drives arc assembly plate 17 to move to the radius greater than end ring 4, then push handle 19 to move to the reduction box, handle 19 drives L-shaped plate 18 to move, L-shaped plate 18 drives slider 20 and slide 21 to move and then push pressing ring 13 to move to the reduction box, pressing ring 13 drives two connecting columns 12 to move again, connecting column 12 drives end ring 4 to move to end cover 2 until second rubber sealing ring 23 and first rubber sealing ring 3 are close, then arc assembly plate 17 is connected with the reduction box and is fixed.

[0037] Finally, it should be noted that: the above only for the preferred embodiments of the utility model and does not limit the utility model, any modification, equivalent replacement, improvement etc. within the spirit and principles of the utility model, should be included in the protection scope of the utility model.

Claims

1. A gear box low speed shaft end cover oil seepage prevention device, comprising a bearing (1) fixed on the outside of a low speed shaft of a reduction gearbox, characterized in that: The bearing (1) outside is provided with a backflow assembly, the outer side of the backflow assembly is fixedly connected with an end cover (2), the front side of the end cover (2) is fixedly provided with a first rubber sealing ring (3), the outer side of the end cover (2) is slidably provided with an end ring (4), the front side of the end ring (4) is fixedly provided with a second rubber sealing ring (23), the rear side of the end ring (4) is fixedly provided with a connecting ring (5), and the front side of the connecting ring (5) is provided with an adjusting assembly.

2. The oil seepage prevention device for the low-speed shaft end cover of the gear box according to claim 1, characterized in that: The backflow assembly comprises an arc-shaped oil collecting ring (6) fixed outside the bearing (1), a first oil collecting ring (7) fixed outside the arc-shaped oil collecting ring (6), an oil collecting groove (8) formed in the surface of the first oil collecting ring (7), a second oil collecting ring (9) fixedly arranged on the front side of the first oil collecting ring (7), and a third oil collecting ring (22) fixed outside the second oil collecting ring (9).

3. The oil seepage prevention device for the low-speed shaft end cover of the gear box according to claim 2, characterized in that: The bottom of the first oil collecting ring (7) is provided with an oil collecting shell (10) penetrating therethrough, the oil collecting shell (10) penetrates through the second oil collecting ring (9) and extends to the bottom of the second oil collecting ring (9), and the bottom of the oil collecting shell (10) is provided with an oil collecting box (11) penetrating therethrough.

4. The oil seepage prevention device for the low-speed shaft end cover of the gear box according to claim 1, characterized in that: The adjusting assembly comprises connecting columns (12) fixed on both sides of the connecting ring (5), a pressing ring (13) fixedly arranged on one end of the connecting column (12), and two telescopic rods (14) arranged on both sides of the pressing ring (13).

5. The oil barrier device for the low speed shaft end cover of the gear box according to claim 4, characterized in that: One end of the telescopic rod (14) is fixedly provided with a limiting plate (15), the bottom of the limiting plate (15) is fixedly provided with a positioning plate (16), and one side of the positioning plate (16) is fixedly provided with an arc-shaped assembly plate (17).

6. The oil barrier device for the low speed shaft end cover of the gear box according to claim 5, characterized in that: One side of the limiting plate (15) is fixedly provided with an L-shaped plate (18), and the top of the L-shaped plate (18) is fixedly provided with a handle (19).

7. The oil containment device for a low speed shaft end cover of a gear case of claim 6, wherein: One side of the L-shaped plate (18) is fixedly provided with a sliding block (20), one side of the sliding block (20) is slidably provided with a sliding frame (21), and the sliding frame (21) is fixedly connected with the pressing ring (13).

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