CN213064564U - Ventilation structure of speed reducer sight hole cover - Google Patents

Ventilation structure of speed reducer sight hole cover Download PDF

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Publication number
CN213064564U
CN213064564U CN202021983102.7U CN202021983102U CN213064564U CN 213064564 U CN213064564 U CN 213064564U CN 202021983102 U CN202021983102 U CN 202021983102U CN 213064564 U CN213064564 U CN 213064564U
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CN
China
Prior art keywords
speed reducer
ventilation
hole cover
sight hole
ventilation cap
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Active
Application number
CN202021983102.7U
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Chinese (zh)
Inventor
李云潮
蔡志刚
田新文
李晓
侯金果
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Tangshan Tangchi Transmission Machinery Co ltd
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Tangshan Tangchi Transmission Machinery Co ltd
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Priority to CN202021983102.7U priority Critical patent/CN213064564U/en
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Publication of CN213064564U publication Critical patent/CN213064564U/en
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Abstract

The utility model relates to a ventilation structure of speed reducer manhole cover belongs to speed reducer technical field. The technical scheme is as follows: a sight hole cover (2) is arranged on the speed reducer box body (1), and a ventilation cap (4) is arranged on the sight hole cover (2); a U-shaped baffle (3) is arranged below a ventilation cap body (14) in a speed reducer box body (1), the U-shaped baffle (3) is fixed on a sight hole cover (2), the ventilation cap body (14) is buckled by the U-shaped baffle (3), and an oil passing hole (6) is formed in the U-shaped baffle (3). The utility model has the advantages that: the ventilation structure is additionally arranged on the sight hole cover, the processing procedure and the cost of the speed reducer box body are reduced, the ventilation structure is improved, the possibility that lubricating oil splashes to cause oil spilling of the ventilation cap is greatly reduced, the maintenance frequency of the speed reducer is reduced, and the maintenance cost of the speed reducer is saved.

Description

Ventilation structure of speed reducer sight hole cover
Technical Field
The utility model relates to a ventilation structure of speed reducer manhole cover belongs to speed reducer technical field.
Background
In order to facilitate checking the meshing condition of the transmission parts in the speed reducer and injecting lubricating oil into the box body, a sight hole cover or a peephole is arranged at the top of the box cover of the speed reducer body. In the case of continuous operation of the speed reducer, the temperature increases, the gas inside the speed reducer expands, and ventilation of the speed reducer is also important in order not to damage the oil seal and oil leakage of the speed reducer. In the prior art, the top of the speed reducer box body needs to be provided with a hole and a ventilation structure, so that the processing procedure and cost of the speed reducer box body are increased; in addition, in the ventilation structure in the prior art, lubricating oil in the box body splashes, so that the ventilation cap is likely to spill oil, and the maintenance cost of the speed reducer is increased.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a ventilation structure of speed reducer eyehole lid covers at the eyehole and increases ventilation structure, reduces the manufacturing procedure and the cost of speed reducer box, improves ventilation structure simultaneously, greatly reduced lubricating oil splash cause the possibility of air cap oil spilling, reduce speed reducer maintenance number of times, practiced thrift speed reducer cost of maintenance, solve the problem that exists in the background art.
The technical scheme of the utility model is that:
a ventilation structure of a speed reducer sight hole cover comprises a speed reducer box body, a sight hole cover, a U-shaped baffle and a ventilation cap; a sight hole cover is arranged on the speed reducer box body, and a ventilation cap is arranged on the sight hole cover; the ventilation cap comprises a ventilation cap cover, a ventilation cap ring, a copper net, a ventilation cap body and a vent hole, wherein a mounting hole is formed in the sight hole cover, the ventilation cap body enters the speed reducer box body through the mounting hole, the center of the ventilation cap body is provided with the vent hole, one end of the vent hole is communicated with the inside of the speed reducer box body, the other end of the vent hole is communicated with the outside, the copper net, the ventilation cap ring and the ventilation cap cover are arranged on the ventilation hole in the ventilation cap body outside the speed reducer box body, the copper net is arranged on the vent hole, and the ventilation cap ring compresses the copper; be located and be equipped with U type baffle below the ventilation cap body in the speed reducer box, U type baffle is fixed and is covered at the eyehole, and U type baffle withholds the ventilation cap body, be equipped with the oilhole on the U type baffle.
The U-shaped baffle is U-shaped in cross section and comprises a U-shaped bottom and two U-shaped arms, the upper ends of the two U-shaped arms are welded on the sight hole cover, and two oil passing holes are formed in the U-shaped bottom.
And a sight hole cover pad is arranged between the sight hole cover and the speed reducer box body, and the sight hole cover is fixed at the top of the speed reducer box body through a bolt.
A gasket is arranged between the ventilation cap body and the sight hole cover, and the ventilation cap body is fixed on the sight hole cover through threaded connection.
And a gear set is arranged in the speed reducer box and is respectively connected with the input shaft and the output shaft.
Inside gear drive makes lubricating oil temperature rise among the speed reducer continuous operation process, atmospheric pressure in the speed reducer box uprises, because the gear speed of revolution causes the lubricating oil to splash very fast and easily gets into the ventilation cap, during the lubricating oil that U type baffle can effectually prevent to splash gets into the ventilation cap, most lubricating oil that splashes is blockked by U type baffle, flow in the speed reducer box, when the sub-unit lubricating oil splashes and gets into in the U type baffle, lubricating oil passes through the oilhole inflow speed reducer box on the U type baffle, can not make the lubricating oil that splashes get into in the ventilation cap, thereby avoided the phenomenon emergence of ventilation cap oil spilling, ensure the normal work of speed reducer.
The utility model has the advantages that: the ventilation structure is additionally arranged on the sight hole cover, the processing procedure and the cost of the speed reducer box body are reduced, the ventilation structure is improved, the possibility that lubricating oil splashes to cause oil spilling of the ventilation cap is greatly reduced, the maintenance frequency of the speed reducer is reduced, and the maintenance cost of the speed reducer is saved.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
fig. 2 is a schematic top view of an embodiment of the present invention;
FIG. 3 is a schematic view of an embodiment of the present invention;
in the figure: the speed reducer comprises a speed reducer box body 1, a sight hole cover 2, a U-shaped baffle 3, a vent cap 4, an input shaft 5, an oil passing hole 6, an output shaft 7, a sight hole cover pad 8, a bolt 9, a gasket 10, a vent cap cover 11, a vent cap ring 12, a copper net 13, a vent cap body 14 and a vent hole 15.
Detailed Description
The present invention will be further described with reference to the accompanying drawings by way of examples.
A ventilation structure of a speed reducer sight hole cover comprises a speed reducer box body 1, a sight hole cover 2, a U-shaped baffle 3 and a ventilation cap 4; a sight hole cover 2 is arranged on the speed reducer box body 1, and a ventilation cap 4 is arranged on the sight hole cover 2; the ventilation cap 4 comprises a ventilation cap cover 11, a ventilation cap ring 12, a copper net 13, a ventilation cap body 14 and a ventilation hole 15, a mounting hole is formed in the manhole cover 2, the ventilation cap body 14 enters the speed reducer box body 1 through the mounting hole, the ventilation hole 15 is formed in the center of the ventilation cap body 14, one end of the ventilation hole 15 is communicated with the inside of the speed reducer box body 1, the other end of the ventilation hole 15 is communicated with the outside, the copper net 13, the ventilation cap ring 12 and the ventilation cap cover 11 are arranged on the ventilation cap body 14 outside the speed reducer box body 1, the copper net 13 is arranged on the ventilation hole 15, and the ventilation cap ring 12 compresses the copper net 13 and is arranged in the ventilation; a U-shaped baffle 3 is arranged below a ventilation cap body 14 in a speed reducer box body 1, the U-shaped baffle 3 is fixed on a sight hole cover 2, the ventilation cap body 14 is buckled by the U-shaped baffle 3, and an oil passing hole 6 is formed in the U-shaped baffle 3.
The U-shaped baffle 3 is U-shaped in cross section and comprises a U-shaped bottom and two U-shaped arms, the upper ends of the two U-shaped arms are welded on the manhole cover 2, and two oil passing holes 6 are formed in the U-shaped bottom.
And a sight hole cover pad 8 is arranged between the sight hole cover 2 and the speed reducer box body 1, and the sight hole cover 2 is fixed at the top of the speed reducer box body 1 through a bolt 9.
A gasket 10 is arranged between the vent cap body 14 and the sight hole cover 2, and the vent cap body 14 is fixed on the sight hole cover 2 through threaded connection.
And a gear set is arranged in the speed reducer box body 1 and is respectively connected with the input shaft 5 and the output shaft 7.
In the embodiment, the input shaft 5 is connected with an engine, the output shaft 7 is connected with a working machine, the vent cap 4 is placed on the sight hole cover 2, and the vent cap 4 is in threaded connection with the sight hole cover 2; a U-shaped baffle 3 is arranged on the sight hole cover 2, the sight hole cover 2 and the U-shaped baffle 3 are welded, and an oil passing hole 6 is formed in the U-shaped baffle 3. Inside gear drive makes lubricating oil temperature rise among the speed reducer continuous operation process, the air pressure in the speed reducer box 1 uprises, because the gear speed of revolution causes the lubricating oil to splash very fast and easily gets into in ventilating cap 4, U type baffle 3 can effectually prevent during the lubricating oil that splashes gets into ventilating cap 4, most lubricating oil that splashes is blockked by U type baffle 3, flow in speed reducer box 1, when the small part lubricating oil splashes and gets into U type baffle 3, lubricating oil passes through oil hole 6 on U type baffle 3 and flows in speed reducer box 1, can not make the lubricating oil that splashes get into ventilating cap 4, thereby the phenomenon of ventilating cap oil spilling has been avoided and the speed reducer normal work is ensured.

Claims (4)

1. The utility model provides a vent structure of speed reducer sight hole lid which characterized in that: comprises a speed reducer box body (1), a sight hole cover (2), a U-shaped baffle (3) and a ventilation cap (4); a sight hole cover (2) is arranged on the speed reducer box body (1), and a ventilation cap (4) is arranged on the sight hole cover (2); the ventilation cap (4) comprises a ventilation cap cover (11), a ventilation cap ring (12), a copper net (13), a ventilation cap body (14) and a ventilation hole (15), a mounting hole is formed in the sight hole cover (2), the ventilation cap body (14) enters the speed reducer box body (1) through the mounting hole, the ventilation hole (15) is formed in the center of the ventilation cap body (14), one end of the ventilation hole (15) is communicated with the inside of the speed reducer box body (1), the other end of the ventilation hole is communicated with the outside, the copper net (13), the ventilation cap ring (12) and the ventilation cap cover (11) are arranged on the ventilation cap body (14) outside the speed reducer box body (1), the copper net (13) is arranged on the ventilation hole (15), and the ventilation cap ring (12) compresses the copper net (13) and is arranged in the ventilation cap cover (11) together; a U-shaped baffle (3) is arranged below a ventilation cap body (14) in a speed reducer box body (1), the U-shaped baffle (3) is fixed on a sight hole cover (2), the ventilation cap body (14) is buckled by the U-shaped baffle (3), and an oil passing hole (6) is formed in the U-shaped baffle (3).
2. The vent structure of the reducer sight hole cover according to claim 1, wherein: the cross section of the U-shaped baffle (3) is U-shaped and comprises a U-shaped bottom and two U-shaped arms, the upper ends of the two U-shaped arms are welded on the sight hole cover (2), and two oil passing holes (6) are formed in the U-shaped bottom.
3. The vent structure of the reducer sight hole cover according to claim 1 or 2, wherein: a sight hole cover pad (8) is arranged between the sight hole cover (2) and the speed reducer box body (1), and the sight hole cover (2) is fixed to the top of the speed reducer box body (1) through a bolt (9).
4. The vent structure of the reducer sight hole cover according to claim 1 or 2, wherein: a gasket (10) is arranged between the ventilation cap body (14) and the sight hole cover (2), and the ventilation cap body (14) is fixed on the sight hole cover (2) through threaded connection.
CN202021983102.7U 2020-09-11 2020-09-11 Ventilation structure of speed reducer sight hole cover Active CN213064564U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021983102.7U CN213064564U (en) 2020-09-11 2020-09-11 Ventilation structure of speed reducer sight hole cover

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021983102.7U CN213064564U (en) 2020-09-11 2020-09-11 Ventilation structure of speed reducer sight hole cover

Publications (1)

Publication Number Publication Date
CN213064564U true CN213064564U (en) 2021-04-27

Family

ID=75558321

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202021983102.7U Active CN213064564U (en) 2020-09-11 2020-09-11 Ventilation structure of speed reducer sight hole cover

Country Status (1)

Country Link
CN (1) CN213064564U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114673778A (en) * 2022-05-17 2022-06-28 重庆钢铁股份有限公司 Speed reducer ventilation cap and manufacturing method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114673778A (en) * 2022-05-17 2022-06-28 重庆钢铁股份有限公司 Speed reducer ventilation cap and manufacturing method thereof

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