CN209925598U - High-speed gear shifting mechanism of reduction gearbox - Google Patents
High-speed gear shifting mechanism of reduction gearbox Download PDFInfo
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- CN209925598U CN209925598U CN201822194821.XU CN201822194821U CN209925598U CN 209925598 U CN209925598 U CN 209925598U CN 201822194821 U CN201822194821 U CN 201822194821U CN 209925598 U CN209925598 U CN 209925598U
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- gear shifting
- oil
- deep groove
- gear
- reduction gearbox
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Abstract
The utility model discloses a high-speed gearshift of reducing gear box, this mechanism pass through the fixed staff of shifting of nut, are equipped with support piece in the staff of shifting, support piece's one end coupling hose, and the other end passes through deep groove bearing installation, and support piece is inside to be opened there is the oilhole, cross the spherical groove intercommunication on oilhole and the deep groove bearing. The shifting fork is arranged on the outer side of the supporting piece, the spacer ring is arranged on the inner side of the deep groove bearing, and babbit alloy is poured on the outer side of the spacer ring. The utility model provides a new mechanism including shift fork, staff and gearshift subassembly has solved heavy load gear shifting gear and has easily taken place the problem that decreases and wearing and tearing at high-speed rotatory in-process, effectively prolongs heavy load gearshift subassembly life.
Description
Technical Field
The utility model belongs to high-speed heavy load gear shifts novel mechanism of little axle subassembly, concretely relates to high-speed gearshift of reducing gear box.
Background
In various devices in the metallurgical industry, particularly in a high-speed heavy-duty speed reducer, a gear shifting mechanism is characterized by high rotating speed, a gear shifting push block is easy to wear and lose efficacy, gear shifting gears in a heavy-duty gear box are heavy in dead weight, gear shifting oil/cylinders matched with the gear box are high in thrust, the push block is easy to collide and damage in the gear shifting process, a machine needs to be stopped to replace spare parts if the gear shifting oil/cylinders are light, damaged parts fall into meshing gears if the gear shifting oil/cylinders are heavy, the gears are seriously lost efficacy, and major faults occur in the gear box.
SUMMERY OF THE UTILITY MODEL
Utility model purpose: lead to shifting the ejector pad wearing and tearing fast in order to solve high-speed rotatory ring gear, the in-process of shifting is strikeed and is lead to moving back the problem that hits the fracture soon, the utility model provides a high-speed gearshift of reducing gear box.
The technical scheme is as follows: a high-speed gear shifting mechanism of a reduction gearbox comprises a small gear shifting shaft, a stop pad, a nut, a spacer ring, a deep groove bearing, Babbitt metal, a support piece and a hose joint, wherein the small gear shifting shaft is fixed in the reduction gearbox through the nut, and a shifting fork is controlled to realize the switching of an inner gear ring or an outer gear ring in a gear shifting gear; a supporting piece is arranged inside the small gear shifting shaft, a hose joint is arranged at one end of the supporting piece, an oil passing hole is arranged at one end of the supporting piece, and lubricating oil is transmitted into a spherical groove on the inner side of the deep groove bearing through the oil passing hole; and a spacer ring is arranged at the contact part of the deep groove bearing and the small gear shifting shaft, and Babbitt metal is poured on the outer ring of the spacer ring.
Furthermore, an oil inlet hole and an oil conveying pipeline are arranged inside the small gear shifting shaft, and lubricating oil is conveyed into the deep groove bearing through the oil conveying pipeline;
furthermore, the specific positions of the oil inlet hole and the oil pipeline comprise a support piece arranged inside the gear shifting small shaft.
Furthermore, the inside of the supporting piece is a hollow pipeline.
Furthermore, the nut is a round nut, and a stop pad is arranged on the mounting part of the nut and the small gear shifting shaft.
Further, the mechanism lubricating oil is thin oil.
Gear shift staff excircle installation deep groove ball bearing, deep groove ball bearing outer lane casting babbit alloy and shift and establish into oil pipe way in the staff, through hose nipple installation hose, connect the lubricated subassembly of shifting of thin oil.
Has the advantages that: compared with the prior art, the gear shifting fork is fixed on the gear shifting small shaft, and the deep groove bearing is arranged on the excircle of the gear shifting small shaft, so that the rolling contact between the shifting fork push block and the gear shifting inner gear ring can be realized, and the abrasion loss is reduced; on the other hand, the utility model discloses well deep groove ball bearing outer lane casting babbit alloy can cushion the impact of the in-process of shifting to the bearing for the damage probability greatly reduced of bearing.
Drawings
Fig. 1 is a schematic diagram of the mechanism of the present invention;
FIG. 2 is a schematic view of the mounting mechanism of the present invention;
FIG. 3 is a schematic view of the connection relationship and the installation position mechanism of the small shifting shaft and the shifting fork.
Detailed Description
For the purpose of explaining the technical solution disclosed in the present invention in detail, the following description is further made with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1, the utility model discloses a high-speed gearshift of reducing gear box, it mainly includes the staff 1 of shifting, the locking pad 2, nut 3, space ring 4, deep groove bearing 5, babbit alloy 6, support piece 7 and hose nipple 8, and the staff 1 of shifting passes through nut 3 to be fixed in the reducing gear box, and the switching of ring gear or outer ring gear among the control shift fork realization gear shifting gear realizes different speed through different drive ratios and switches. The inside of the small gear shifting shaft 1 is provided with a supporting piece 7, one end of the supporting piece 7 is provided with a hose connector 8 for installing a hose, and the hose is used for conveying lubricating oil, and the lubricating oil is preferably thin oil for lubrication. And an oil passing hole 9 is formed at the other end of the support 7, and the oil passing hole 9 transmits lubricating oil to a spherical groove on the inner side of the deep groove bearing 5 to realize lubrication. A spacer ring 4 is arranged at the contact part of the deep groove bearing 5 and the small gear shifting shaft 1, and a Babbitt metal 6 is poured on the outer ring of the spacer ring.
This mechanism's installation is located the reducing gear box, through the fixed staff of shifting of nut 3, has also fixed simultaneously the mechanism. Specifically, the mounting mechanism of the present invention is shown in fig. 2 and 3. The gear shifting mechanism is connected with a shifting fork 14, the shifting fork is controlled to enable a gear shifting wheel to contact an inner gear ring 13 or an outer gear ring 12, the two-gear control reduction gearbox is shown in the figure of the embodiment, the gear shifting wheel comprises a first group of gear shifting wheels 10 and a second group of gear shifting wheels 11, and the outer gear ring 12 and the inner gear ring 13 are arranged. The hose nipple 8 is used for mounting a hose for conveying lubricating oil.
According to the mechanism, a small gear shifting shaft 1 is installed on a shifting fork 14 in a graph 3 by using a nut 3 and a stop pad 2, a deep groove bearing 5 is installed on the small gear shifting shaft 1, babbit metal 6 is cast on the outer ring of the deep groove bearing 5, thin oil can be connected through an oil hole 9 in the small gear shifting shaft 1, and the deep groove bearing 5 and a connecting part of the deep groove bearing are lubricated through a pin hole in a spacer 4. The first group of shifting gears 10 is connected with the second group of shifting gears 11 and the external gear ring 12 in a back-and-forth sliding mode through the internal gear ring 13. The mechanism is arranged on a shifting fork 14, and a cast bus alloy push block is arranged in a groove of an outer gear ring 12.
Finally, those skilled in the art should appreciate that the present invention provides a shifting mechanism for use in a reduction gearbox, which is not described herein in detail, and which is applicable to any inherent mechanism in a reduction gearbox, gear-driven power and other components in a reduction gearbox, as well as to any other components in a reduction gearbox. The utility model discloses increase the wearing and tearing of lubrication and reduction each part in gearshift, prolonged life.
Claims (6)
1. A high-speed gear shifting mechanism of a reduction box is characterized in that: the gear shifting device comprises a gear shifting small shaft (1), a stop pad (2), a nut (3), a spacer ring (4), a deep groove bearing (5), babbit metal (6), a support piece (7) and a hose joint (8), wherein the gear shifting small shaft (1) is fixed in a reduction gearbox through the nut (3), and a shifting fork is controlled to realize the switching of an inner gear ring or an outer gear ring in a gear shifting gear; a supporting piece (7) is arranged inside the small gear shifting shaft (1), one end of the supporting piece (7) is provided with a hose joint (8), the other end of the supporting piece is provided with an oil passing hole (9), and lubricating oil is transmitted into a spherical groove on the inner side of the deep groove bearing (5) through the oil passing hole (9); and a spacer ring (4) is arranged at the contact part of the deep groove bearing (5) and the small gear shifting shaft (1), and a babbitt metal (6) is poured on the outer ring of the spacer ring.
2. The high-speed gear shifting mechanism of the reduction gearbox according to claim 1, characterized in that: an oil inlet hole and an oil conveying pipeline are arranged inside the gear shifting small shaft (1), and lubricating oil is conveyed to the interior of the deep groove bearing (5) through the oil conveying pipeline.
3. The high-speed gear shifting mechanism of the reduction gearbox according to claim 2, characterized in that: the specific positions of the oil inlet hole and the oil delivery pipeline comprise a support piece (7) arranged inside the gear shifting small shaft (1).
4. A reduction gearbox high speed gear shifting mechanism according to claim 3, wherein: the inside of the supporting piece (7) is a hollow pipeline.
5. The high-speed gear shifting mechanism of the reduction gearbox according to claim 1, characterized in that: the nut (3) is a round nut, and the mounting parts of the nut (3) and the gear shifting small shaft (1) are provided with stop pads (2).
6. A reduction gearbox high speed gear shifting mechanism according to claim 1 or 2, wherein: the lubricating oil of the mechanism is thin oil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822194821.XU CN209925598U (en) | 2018-12-26 | 2018-12-26 | High-speed gear shifting mechanism of reduction gearbox |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822194821.XU CN209925598U (en) | 2018-12-26 | 2018-12-26 | High-speed gear shifting mechanism of reduction gearbox |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209925598U true CN209925598U (en) | 2020-01-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822194821.XU Active CN209925598U (en) | 2018-12-26 | 2018-12-26 | High-speed gear shifting mechanism of reduction gearbox |
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| CN (1) | CN209925598U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109519536A (en) * | 2018-12-26 | 2019-03-26 | 南京金鑫传动设备有限公司 | A kind of reduction gearbox high-speed gear-shifting mechanism |
-
2018
- 2018-12-26 CN CN201822194821.XU patent/CN209925598U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109519536A (en) * | 2018-12-26 | 2019-03-26 | 南京金鑫传动设备有限公司 | A kind of reduction gearbox high-speed gear-shifting mechanism |
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