CN209309280U - A kind of helixseal structure of wire drawing machine gearbox input shaft - Google Patents
A kind of helixseal structure of wire drawing machine gearbox input shaft Download PDFInfo
- Publication number
- CN209309280U CN209309280U CN201822272710.6U CN201822272710U CN209309280U CN 209309280 U CN209309280 U CN 209309280U CN 201822272710 U CN201822272710 U CN 201822272710U CN 209309280 U CN209309280 U CN 209309280U
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- China
- Prior art keywords
- gland
- input shaft
- wire drawing
- drawing machine
- shaft
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- 238000005491 wire drawing Methods 0.000 title claims abstract description 28
- 210000004907 Glands Anatomy 0.000 claims abstract description 39
- 230000037250 Clearance Effects 0.000 claims abstract description 26
- 230000035512 clearance Effects 0.000 claims abstract description 26
- 238000007789 sealing Methods 0.000 claims abstract description 18
- 239000006071 cream Substances 0.000 claims description 4
- 210000002356 Skeleton Anatomy 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 3
- 238000005299 abrasion Methods 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 15
- 239000010687 lubricating oil Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000000875 corresponding Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006011 modification reaction Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
Abstract
The utility model provides a kind of helixseal structure of wire drawing machine gearbox input shaft, belongs to field of mechanical technique.It solves the problems, such as that the poor sealing of sealing structure, abrasion are high in input in existing gear-box.The helixseal structure of this wire drawing machine gearbox input shaft, the wire drawing machine gear-box includes cabinet, input shaft and gland, input shaft is made of shaft head and shaft shoulder portion, clearance D is provided between gland and shaft shoulder portion, helicla flute is opened up on the internal perisporium of gland, wear-resistant sleeve is arranged on shaft head, the outer end of gland has axially outwardly raised flange part, there are two outside framework oil seals for setting between wear-resistant sleeve and flange part, the internal perisporium in shaft shoulder portion, the inner wall of flange part, the oil sealing chamber being distributed in a ring is mutually formed between gland and reinforced seal, and the oil sealing chamber is connected with the helicla flute in above-mentioned clearance D and clearance D.The utility model has the advantages that convenient, wear-resisting and good airproof performance.
Description
Technical field
The utility model belongs to field of mechanical technique, in particular to a kind of helixseal knot of wire drawing machine gearbox input shaft
Structure.
Background technique
Gear-box is a widely used important mechanical part in wind power generating set.Its main function be by
Generated power passes to generator and it is made to obtain corresponding revolving speed wind wheel under the action of the wind, and the revolving speed of usual wind wheel is very
It is low, revolving speed required by electrical power generators is far not achieved, it is necessary to realize by the accelerating function of gear-box gear pair, therefore also will
Gear-box is referred to as gearbox.
In the prior art, multiple sealing rings are usually installed in the sealing of input shaft additional on input shaft in wire drawing machine upper gear box
Or the method for being extracted out the liquid oil leaked down using oil pump, and aforesaid way cannot all be absolutely sealed lubricating oil, and to zero
The manufacture installation of part has very high requirement, and production cost is higher.
Summary of the invention
The purpose of this utility model be for the above-mentioned problems in the prior art, provide a kind of convenience, it is wear-resisting and
The helixseal structure of the wire drawing machine gearbox input shaft of good airproof performance.
The purpose of this utility model can be realized by the following technical scheme: a kind of spiral of wire drawing machine gearbox input shaft
Sealing structure, which is characterized in that the wire drawing machine gear-box includes cabinet, input shaft and the gland for being fixed on cabinet side end,
One end of the input shaft is set in cabinet, and the other end stretches out outside gland, and the input shaft is by shaft head and shaft shoulder portion
Composition, is provided with clearance D, offers on the internal perisporium of the gland and be recessed inwardly together between the gland and shaft shoulder portion
And the helicla flute being connected with the clearance D, it is located on the shaft head at the position joined with shaft shoulder portion and is arranged with wear-resistant sleeve,
The outer end of the gland has axially outwardly raised flange part, and the internal diameter of the flange part is greater than the internal diameter of gland, institute
It is arranged between the wear-resistant sleeve and flange part stated there are two the outside framework oil seal to seal, the outer diameter of the wear-resistant sleeve is greater than axis
The outer diameter of shoulder mutually forms one between the internal perisporium in shaft shoulder portion, the inner wall of flange part, gland and reinforced seal
The oil sealing chamber being distributed in a ring, and the oil sealing chamber is connected with the helicla flute in above-mentioned clearance D and clearance D, the shaft shoulder
It is additionally provided with bearing between the end and cabinet in portion, there is protrusion axially outward on the aft bulkhead of the gland and is supported for bearing
By the boss of limit, one is formed between the bearing, boss, shaft shoulder portion and the aft bulkhead of gland and is connected with above-mentioned clearance D
Logical shoe cream room.
In a kind of helixseal structure of above-mentioned wire drawing machine gearbox input shaft, the wear-resistant sleeve and input shaft
The connection type of shaft head is detachable assembly connection.
In a kind of helixseal structure of above-mentioned wire drawing machine gearbox input shaft, the longitudinal section of the helicla flute is in
It is rectangular-shaped.
In a kind of helixseal structure of above-mentioned wire drawing machine gearbox input shaft, the gland passes through several spiral shells
Bolt is fixedly connected with cabinet.
In a kind of helixseal structure of above-mentioned wire drawing machine gearbox input shaft, the size of the clearance D is
0.1mm is between 0.2mm.
In a kind of helixseal structure of above-mentioned wire drawing machine gearbox input shaft, the clearance D is less than helicla flute
Depth H.
Compared with prior art, it is provided with sealing device in the helixseal structure of this wire drawing machine gearbox input shaft, it is close
Gland and the helicla flute between gland and input shaft are equipped in seal apparatus, when input shaft rotation, between axis and gland
Lubricating oil box house will be sent back to due to " pumping method " principle, and form external and internal pressure in the two sides of this clearance D
Balance completes non-contacting seal；It is defeated after input shaft stops rotating simultaneously in sealing device upper skeleton oil sealing and wear-resistant sleeve
Enter the clearance D between axis and gland and have lubricating oil to flow into, at this point, outside framework oil seal plays the role of preventing outflow of lubrication oil, and
After long-term use, the wear-resistant sleeve between outside framework oil seal and input shaft can generate abrasion, only need to change wear-resistant sleeve i.e. at this time
Can, play replacement conveniently, the good advantage of wearability.
Detailed description of the invention
Fig. 1 is the schematic view of the front view of the helixseal structure middle gear box body of this wire drawing machine gearbox input shaft.
Fig. 2 is the enlarged structure schematic diagram of sealing structure in the helixseal structure of this wire drawing machine gearbox input shaft.
Fig. 3 is the enlarged structure schematic diagram in the helixseal structure of this wire drawing machine gearbox input shaft at A.
In figure, 1, cabinet；2, input shaft；3, gland；4, shaft head；5, shaft shoulder portion；6, helicla flute；7, wear-resistant sleeve；8, convex
Edge；9, outside framework oil seal；10, oil sealing chamber；11, bearing；12, boss；13, shoe cream room.
Specific embodiment
It is specific embodiment of the utility model and in conjunction with attached drawing below, the technical solution of the utility model is made further
Description, but the utility model is not limited to these examples.
As shown in Figure 1, Figure 2, Figure 3 shows, the helixseal structure of this wire drawing machine gearbox input shaft, the wire drawing machine gear luggage
Cabinet 1, input shaft 2 and the gland 3 for being fixed on 1 side end of cabinet are included, one end of input shaft 2 is set in cabinet 1, the other end
It stretches out outside gland 3, input shaft 2 is made of shaft head 4 and shaft shoulder portion 5, and clearance D, gland 3 are provided between gland 3 and shaft shoulder portion 5
Internal perisporium on offer the helicla flute 6 for being recessed inwardly and being connected together with the clearance D, be located on shaft head 4 and shaft shoulder portion 5
Wear-resistant sleeve 7 is arranged at the position of handover, the outer end of gland 3 has axially outwardly raised flange part 8, and the flange part 8
Internal diameter be greater than the internal diameter of gland 3, be arranged that there are two the outside framework oil seals 9 that seal between wear-resistant sleeve 7 and flange part 8, it is resistance to
The outer diameter of grinding set 7 is greater than the outer diameter in shaft shoulder portion 5, the internal perisporium in shaft shoulder portion 5, the inner wall of flange part 8, gland 3 and reinforced seal
Between mutually form the oil sealing chamber 10 being distributed in a ring, the oil sealing chamber 10 and 6 phase of helicla flute in clearance D and clearance D
Connection, is additionally provided with bearing 11 between the end and cabinet 1 in shaft shoulder portion 5, have on the aft bulkhead of gland 3 protrusion axially outward and
Formed between the boss 12 of limit, bearing 11, boss 12, shaft shoulder portion 5 and the aft bulkhead of gland 3 for bearing 11 one with it is upper
State the shoe cream room 13 that clearance D is connected.
As preferred structure, the longitudinal section of helicla flute 6 is rectangular.
As preferred structure, gland 3 is fixedly connected with by several bolts with cabinet 1.
As preferred structure, the size of clearance D is 0.1mm between 0.2mm.
Further describe in detail, in order to avoid be used for a long time after, wear-resistant sleeve 7 worn after to the damage between each part, it is wear-resisting
The connection type of set 7 and the shaft head 4 of input shaft 2 is detachable assembly connection.
It further describes in detail, in order to reduce the space size that oil stream enters helicla flute 6, clearance D is less than the depth H of helicla flute 6.
The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute
Belonging to those skilled in the art can make various modifications or additions to the described embodiments or using similar
Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.
Claims (6)
1. a kind of helixseal structure of wire drawing machine gearbox input shaft, which is characterized in that the wire drawing machine gear-box includes cabinet
(1), input shaft (2) and it is fixed on the gland (3) of cabinet (1) side end, one end of the input shaft (2) is set to cabinet
(1) in, the other end stretches out gland (3) outside, and the input shaft (2) is made of shaft head (4) and shaft shoulder portion (5), the pressure
Lid (3) and shaft shoulder portion (5) between be provided with clearance D, offered on the internal perisporium of the gland (3) be recessed inwardly together and with
The helicla flute (6) that the clearance D is connected, be located on the shaft head (4) at the position joined with shaft shoulder portion (5) be arranged with it is resistance to
Grinding set (7), the outer end of the gland (3) have axially outwardly raised flange part (8), and the internal diameter of the flange part (8)
The skeleton oil to seal there are two being arranged greater than the internal diameter of gland (3), between the wear-resistant sleeve (7) and flange part (8)
It seals (9), the outer diameter of the wear-resistant sleeve (7) is greater than the outer diameter of shaft shoulder portion (5), internal perisporium, the flange part in the shaft shoulder portion (5)
(8) the oil sealing chamber (10) being distributed in a ring, and the oil sealing are mutually formed between inner wall, gland (3) and reinforced seal
Chamber (10) is connected with the helicla flute (6) in above-mentioned clearance D and clearance D, the end and cabinet (1) in the shaft shoulder portion (5)
Between be additionally provided with bearing (11), on the aft bulkhead of the gland (3) have axially outward protrusion and for bearing (11) against
The boss (12) of limit forms one between the bearing (11), boss (12), shaft shoulder portion (5) and the aft bulkhead of gland (3)
The shoe cream room (13) being connected with above-mentioned clearance D.
2. a kind of helixseal structure of wire drawing machine gearbox input shaft according to claim 1, which is characterized in that described
Wear-resistant sleeve (7) and input shaft (2) shaft head (4) connection type be detachable assembly connection.
3. a kind of helixseal structure of wire drawing machine gearbox input shaft according to claim 1, which is characterized in that described
Helicla flute (6) longitudinal section it is rectangular.
4. a kind of helixseal structure of wire drawing machine gearbox input shaft according to claim 1, which is characterized in that described
Gland (3) be fixedly connected with cabinet (1) by several bolts.
5. a kind of helixseal structure of wire drawing machine gearbox input shaft according to claim 1, which is characterized in that described
Clearance D size be 0.1mm between 0.2mm.
6. a kind of helixseal structure of wire drawing machine gearbox input shaft according to claim 1, which is characterized in that described
Clearance D be less than helicla flute (6) depth H.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822272710.6U CN209309280U (en) | 2018-12-29 | 2018-12-29 | A kind of helixseal structure of wire drawing machine gearbox input shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822272710.6U CN209309280U (en) | 2018-12-29 | 2018-12-29 | A kind of helixseal structure of wire drawing machine gearbox input shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209309280U true CN209309280U (en) | 2019-08-27 |
Family
ID=67680170
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822272710.6U Active CN209309280U (en) | 2018-12-29 | 2018-12-29 | A kind of helixseal structure of wire drawing machine gearbox input shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209309280U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114321336A (en) * | 2022-01-13 | 2022-04-12 | 浙江顺天传动科技股份有限公司 | Submerged speed reducer |
-
2018
- 2018-12-29 CN CN201822272710.6U patent/CN209309280U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114321336A (en) * | 2022-01-13 | 2022-04-12 | 浙江顺天传动科技股份有限公司 | Submerged speed reducer |
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