CN103234017B - A kind of gear box clutch - Google Patents
A kind of gear box clutch Download PDFInfo
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- CN103234017B CN103234017B CN201310159338.7A CN201310159338A CN103234017B CN 103234017 B CN103234017 B CN 103234017B CN 201310159338 A CN201310159338 A CN 201310159338A CN 103234017 B CN103234017 B CN 103234017B
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Abstract
The invention discloses a kind of gear box clutch, comprise transmission shaft, be positioned at the end cap of described transmission shaft one end and the friction clutch be sheathed on described transmission shaft and piston, described transmission shaft offers the grease channel leading to described friction clutch, with the working oil passage leading to described piston, also comprise the end being sheathed on described transmission shaft, and supply ring gap sealed with described transmission shaft; Described supply ring is located by locating stud and described end cap, and passes through rubber seal rings for seal with described end cap; The radial direction of described end cap offers the working oil import with described working oil channel connection, and the lubricating oil inlet be communicated with described grease channel.This invention ensures that clutch lubricant oil and working oil fuel feeding are stablized fully, pressure fluctuation is little, improves the reliability of gear box clutch work.In addition, it is simple that the present invention also has structure, and I& M is convenient, the advantages such as applicability is strong, manufacturing cost and use cost is low.
Description
Technical field
The present invention relates to Clutch Technology field, more particularly, relate to a kind of gear box clutch.
Background technique
In prior art, the marine gearbox clutch of major part band clutch function needs to supply lubricant oil and working oil simultaneously, the oil supply structure of normal employing mainly contains following two kinds: a kind of is at the two ends of axle difference fuel feeding, one end is for lubricant oil, the other end is for working oil, if axle head is equipped with connecting flange or other part, just can not adopt this oil supply structure, gear box structure is restricted; Same one end of another kind and axle adopts and axially adds radial oil supply structure, axially for lubricant oil, radial for working oil.To describe in detail for a kind of gear box clutch oil supply structure of the prior art below.
Please refer to Fig. 1, Fig. 1 is a kind of gear box clutch oil supply structure schematic diagram of the prior art.
A kind of clutch feed structure of the prior art, namely adopts in same one end of transmission shaft 13 and axially adds radial oil supply structure, utilize exterior line joint 17 and exterior line joint 20 to supply clutch working oil and lubricant oil respectively.Clutch comprises the transmission shaft 13 and fuel feeding end cap 23 that are fitted to each other, and transmission shaft 13 is axially provided with oil leab 14 and work oil duct 15.Transmission shaft radial direction is provided with working oil import 21, working oil outlet 16, lubricating oil outlet 12.Wherein, lubricating oil outlet 12 is communicated with oil leab 14; Working oil import 21, working oil outlet 16 are all communicated with working oil oil duct 15.Transmission shaft 13 end cylindrical has two seals first annular groove, and the first annular groove, built with combined sealing ring 18, meanwhile, has one oil-collecting first annular groove 22 in the middle of two seals first annular groove.Transmission shaft 13 end face is equipped with plug 19 for seal operation oil duct 15.
When gear-box be in run in state time, transmission shaft 13 rotates, combined sealing ring 18 forms motive sealing between transmission shaft 13 and fuel feeding end cap 23, clutch working oil by the road joint 17, oil-collecting first annular groove 22, working oil import 21, work oil duct 15, working oil outlet 16 enters piston 24, and promote piston 24 and move, thus make the friction pair work of friction clutch 11.Meanwhile, lubricant oil by the road joint 20, oil leab 14, lubricating oil outlet 12 arrives friction clutch 11 lubricating point everywhere, takes away the heat produced when friction clutch 11 works.
But, in prior art, this oil supply structure need increase the combined sealing ring needed for gear-box axial length and radial seal, the weight of gear-box and boundary dimension are strengthened, structure is not compact, increase the installing space in cabin, Economy is lower, substantially increases manufacturing cost and use cost, and application is subject to certain restrictions.
Therefore, how to solve weight and the boundary dimension increasing of the gear-box that existing gear box clutch oil supply structure causes, structure is not compact, cabin installing space is large, manufacture cost is high and the problem of later maintenance maintenance inconvenience, becomes those skilled in the art's important technological problems to be solved.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of gear box clutch, to solve the weight of the gear-box that existing gear box clutch oil supply structure causes and boundary dimension strengthens, structure is not compact, cabin installing space is large, manufacture cost is high and the problem of later maintenance maintenance inconvenience.
For achieving the above object, the invention provides following technological scheme:
A kind of gear box clutch, comprise transmission shaft, be positioned at the end cap of described transmission shaft one end and the friction clutch be sheathed on described transmission shaft and piston, described transmission shaft offers the grease channel leading to described friction clutch, with the working oil passage leading to described piston, also comprise the end being sheathed on described transmission shaft, and supply ring gap sealed with described transmission shaft;
Described supply ring is located by locating stud and described end cap, and passes through rubber seal rings for seal with described end cap;
The radial direction of described end cap offers the working oil import with described working oil channel connection, and the lubricating oil inlet be communicated with described grease channel.
Preferably, in said gear case clutch, described grease channel comprises:
Along the axial arranged oil leab of described transmission shaft;
The oil leab be communicated with described friction clutch with described oil leab respectively exports;
The oil leab entrance be communicated with described lubricating oil inlet with described oil leab respectively.
Preferably, in said gear case clutch, described oil leab outlet is all vertical with described oil leab with described oil leab entrance.
Preferably, in said gear case clutch, described working oil passage comprises:
Along the axial arranged work oil duct of described transmission shaft;
The work oil passage outlet be communicated with described piston with described work oil duct respectively;
Respectively with the work oil-passage inlet of described work oil duct and described working oil inlet communication.
Preferably, in said gear case clutch, described work oil passage outlet and described work oil-passage inlet are all vertical with described work oil duct.
Preferably, in said gear case clutch, described supply ring offers two radial oil inlet holes of its radial direction through, one end of two described radial oil inlet holes is communicated with described lubricating oil inlet with described working oil import respectively;
The inner ring of described supply ring offers two the first annular grooves of being communicated with of radial oil inlet hole described with two respectively, and the first annular groove described in twice is communicated with described work oil-passage inlet with described oil leab entrance respectively.
Preferably, in said gear case clutch, the inwall of described end cap offers twice second annular groove, and the second annular groove described in one of them is communicated with oil inlet hole radial described in one of them with described lubricating oil inlet respectively;
Second annular groove described in another is communicated with oil inlet hole radial described in another with described working oil import respectively.
Preferably, in said gear case clutch, described rubber seal is three, and is separated by two described second annular grooves.
Preferably, in said gear case clutch, described end cap offers the spill port of the casing being communicated with cavity that described end cap and described transmission shaft surround and gear-box.
Preferably, in said gear case clutch, described rubber seal is O type rubber seal.
As can be seen from above-mentioned technological scheme, gear box clutch provided by the invention, lubricant oil and working oil all adopt radial fuel feeding, and lubricant oil enters the moving element place that need lubricate through oil leab, and working oil enters in clutch cavity volume through work oil duct.Oil supply structure of the present invention only need, from one end oil-feed of transmission shaft, not by structure influence, not need to increase the length of axle and the combined sealing ring needed for radial seal simultaneously yet.This invention ensures that clutch lubricant oil and working oil fuel feeding are stablized fully, pressure fluctuation is little, improves the reliability of gear box clutch work.In addition, it is simple that the present invention also has structure, and I& M is convenient, the advantages such as applicability is strong, manufacturing cost and use cost is low.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technological scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of gear box clutch of the prior art;
The structural representation of the gear box clutch that Fig. 2 provides for the embodiment of the present invention;
Fig. 3 is the sectional view of Fig. 2 along A-A line.
Embodiment
Core of the present invention is to provide a kind of gear box clutch, to solve the weight of the gear-box that existing gear box clutch oil supply structure causes and boundary dimension strengthens, structure is not compact, cabin installing space is large, manufacture cost is high and the problem of later maintenance maintenance inconvenience.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technological scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Refer to Fig. 2 and Fig. 3, the structural representation of the gear box clutch that Fig. 2 provides for the embodiment of the present invention; Fig. 3 is the sectional view of Fig. 2 along A-A line.
The gear box clutch that the embodiment of the present invention provides, is applicable to marine gearbox friction clutch, comprises transmission shaft 33, end cap, friction clutch 31, piston and supply ring 38.
Wherein, end cap is positioned at one end of transmission shaft 33, and the position of this end cap in gear box clutch is identical with existing conventional gearbox clutch, and emphasis of the present invention does not lie in this, repeats no more herein to its particular location.
Friction clutch 31 and piston sleeve are located on transmission shaft 33, are carried out the Engage and disengage of actuating friction clutch 31 by piston along the movement of transmission shaft 33.
Transmission shaft 33 offers the grease channel leading to friction clutch 31, the lubricant oil passed into by this grease channel carries out Cooling and Lubricator to friction clutch 31.Transmission shaft 33 also offers the working oil passage leading to piston, the working oil passed into by this working oil passage is driven piston, thus realizes operating friction clutch 31.
Supply ring 38 is sheathed on the end of transmission shaft 33, and with transmission shaft 33 clearance seal, clearance seal utilizes the micro-gap between movement parts to seal, and is the simplest a kind of seal form, its sealing effect depends on size and pressure difference, seal length and the surface quality of workpieces in gap.
Supply ring 38 is located by locating stud and end cap, and particularly, end cap and supply ring 38 are Spielpassung each other, and join brill one hole, adopts straight pin 49 and sealing plug 48 pairs of supply rings 38 to carry out spacing.Supply ring 38 and end cap are sealed by rubber seal 44.
The radial direction of end cap offers the working oil import 50 with working oil channel connection and the lubricating oil inlet 46 be communicated with grease channel.Wherein, lubricating oil inlet 46 can be communicated with the box house oil leab 47 of gear box clutch, and working oil import 50 is communicated with outside fuel-intake connection 51.
When gear-box be in run in state time, transmission shaft 33 rotates, motive sealing is formed between transmission shaft 33 and supply ring 38, clutch working oil enters piston through outside fuel-intake connection 51, working oil import 50, working oil passage, and promote piston movement, thus make the friction pair work of friction clutch 31.Meanwhile, lubricant oil arrives friction clutch 31 lubricating point everywhere through box house oil leab 47, lubricating oil inlet 46, grease channel, takes away the heat produced when friction clutch 31 works.
Gear box clutch provided by the invention, lubricant oil and working oil all adopt radial fuel feeding, and lubricant oil enters the moving element place that need lubricate through oil leab, and working oil enters in clutch cavity volume through work oil duct.Oil supply structure of the present invention only need, from one end oil-feed of transmission shaft, not by structure influence, not need to increase the length of axle and the combined sealing ring needed for radial seal simultaneously yet.This invention ensures that clutch lubricant oil and working oil fuel feeding are stablized fully, pressure fluctuation is little, improves the reliability of gear box clutch work.In addition, it is simple that the present invention also has structure, and I& M is convenient, the advantages such as applicability is strong, manufacturing cost and use cost is low.
In the present invention one specific embodiment, grease channel comprises oil leab 34, oil leab outlet 32 and oil leab entrance 41.
Wherein, oil leab 34 is axial arranged along transmission shaft 33, and oil leab 34 is arranged as the axis along transmission shaft 33, conveniently can get out this oil leab 34.Oil leab outlet 32 is communicated with friction clutch 31 with oil leab 34 respectively, and oil leab entrance 41 is communicated with lubricating oil inlet 46 with oil leab 34 respectively.Grease channel is designed to 3 stops and arranges by the present invention, is conducive to the boring of oil duct, convenient processing.
Further, oil leab outlet 32 is all vertical with oil leab 34 with oil leab entrance 41.When boring oil leab outlet 32 and oil leab entrance 41, because oil leab outlet 32 is all vertical with oil leab 34 with oil leab entrance 41, therefore make the easier clamping of transmission shaft 33, correspondingly, oil leab outlet 32 and oil leab entrance 41 are also more easily processed.
In the present invention one specific embodiment, working oil passage comprises work oil duct 35, work oil passage outlet 36 and work oil-passage inlet 53.
Wherein, axial arranged along transmission shaft 33 of work oil duct 35, is arranged as the axis along transmission shaft 33 by work oil duct 35, conveniently can gets out this work oil duct 35.Work oil passage outlet 36 is communicated with piston with work oil duct 35 respectively, and work oil-passage inlet 53 is communicated with working oil import 50 with work oil duct 35 respectively.Working oil channels designs is that 3 stops is arranged by the present invention, is conducive to the boring of oil duct, convenient processing.
The end face of transmission shaft 33 is provided with plug 40 and plug 39 seal lubrication oil duct 34 and work oil duct 35 respectively.
Further, the oil passage outlet 36 that works is all vertical with work oil duct 35 with work oil-passage inlet 53.When driller makes oil passage outlet 36 and work oil-passage inlet 53, because work oil passage outlet 36 and work oil-passage inlet 53 are all vertical with work oil duct 35, therefore make the easier clamping of transmission shaft 33, correspondingly, work oil passage outlet 36 and work oil-passage inlet 53 are also more easily processed.
In order to optimize technique scheme further, in the present invention one specific embodiment, one end supply ring 38 offering two radial oil inlet holes, 52, two radial oil inlet holes 52 of its radial direction through is communicated with lubricating oil inlet 46 with working oil import 50 respectively.
The inner ring of supply ring 38 offers two the first annular grooves 42 of being communicated with of oil inlet hole 52 radial with two respectively, and twice first annular groove 42 is communicated with the oil-passage inlet 53 that works with oil leab entrance 41 respectively.
Enter two radial oil inlet hole 52 oil (working oil and lubricant oil) by working oil import 50 and lubricating oil inlet 46, can flow into respectively in the first annular groove 42 corresponding with it, then flow into work oil-passage inlet 53 and oil leab entrance 41 respectively.The present invention, by arranging the design of the first annular groove, makes the arbitrary position in transmission shaft 33 rotation process all can realize and working oil import 50 and the oil-passage inlet 53 that works, and being communicated with of lubricating oil inlet 46 and oil leab entrance 41.The setting of the first annular groove 42, improves reliability of the present invention.
Further, the inwall of end cap offers twice second annular groove 37, and one of them second annular groove is communicated with the radial oil inlet hole of lubricating oil inlet 46 and one of them respectively, and another second annular groove is communicated with the radial oil inlet hole of working oil import 50 and another respectively.In the present embodiment, rubber seal 44 is three, and is separated by two the second annular grooves 37, and namely the both sides of each second annular groove 37 all have rubber seal 44.Preferably, rubber seal 44 is O type rubber seal.
In order to optimize technique scheme further, end cap of the present invention offers the spill port 54 of the casing being communicated with cavity that end cap and transmission shaft 33 surround and gear-box.
Even if there is a small amount of leak pressure oil in supply ring 38 and transmission shaft 33 gap location, also can get back to rapidly in casing through spill port 54 under gravity, " vexed oil " phenomenon can be avoided, ensure that clutch lubricant oil and working oil fuel feeding are stablized fully, pressure fluctuation is little, improves the reliability of gear box clutch work.
In the present embodiment, the fixing oil-feed end cap 45 that end cap connects by screw and end cover 43 form, and be two-part assembly structure, make the present invention more easy for removal and installation by end cover designs.Wherein, fixing oil-feed end cap 45 is sheathed on transmission shaft 33, and spill port 54 and lubricating oil inlet 46 are all opened on fixing oil-feed end cap 45.
In this specification, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar portion mutually see.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. a gear box clutch, comprise transmission shaft (33), be positioned at the end cap of described transmission shaft (33) one end and the friction clutch (31) that is sheathed on described transmission shaft (33) and piston, (33) offer the grease channel leading to described friction clutch (31) to described transmission shaft, with the working oil passage leading to described piston, it is characterized in that, also comprise the end being sheathed on described transmission shaft (33), and with described transmission shaft (33) gap sealed supply ring (38);
Described supply ring (38) is located by locating stud and described end cap, and is sealed by rubber seal (44) with described end cap;
The radial direction of described end cap offers the working oil import (50) with described working oil channel connection and the lubricating oil inlet (46) be communicated with described grease channel.
2. gear box clutch as claimed in claim 1, it is characterized in that, described grease channel comprises:
Along the axial arranged oil leab (34) of described transmission shaft (33);
The oil leab be communicated with described friction clutch (31) with described oil leab (34) respectively exports (32);
The oil leab entrance (41) be communicated with described lubricating oil inlet (46) with described oil leab (34) respectively.
3. gear box clutch as claimed in claim 2, is characterized in that, described oil leab outlet (32) is all vertical with described oil leab (34) with described oil leab entrance (41).
4. gear box clutch as claimed in claim 2, it is characterized in that, described working oil passage comprises:
Along the axial arranged work oil duct (35) of described transmission shaft (33);
The work oil passage outlet (36) be communicated with described piston with described work oil duct (35) respectively;
The work oil-passage inlet (53) be communicated with described working oil import (50) with described work oil duct (35) respectively.
5. gear box clutch as claimed in claim 4, it is characterized in that, described work oil passage outlet (36) and described work oil-passage inlet (53) are all vertical with described work oil duct (35).
6. gear box clutch as claimed in claim 4, it is characterized in that, described supply ring (38) offers two radial oil inlet holes (52) of its radial direction through, one end of two described radial oil inlet holes (52) is communicated with described lubricating oil inlet (46) with described working oil import (50) respectively;
The inner ring of described supply ring (38) offers two the first annular grooves (42) of being communicated with of radial oil inlet hole (52) described with two respectively, and the first annular groove (42) described in twice is communicated with described work oil-passage inlet (53) with described oil leab entrance (41) respectively.
7. gear box clutch as claimed in claim 6, it is characterized in that, the inwall of described end cap offers twice second annular groove (37), and the second annular groove described in one of them is communicated with oil inlet hole radial described in one of them with described lubricating oil inlet (46) respectively;
Second annular groove described in another is communicated with oil inlet hole radial described in another with described working oil import (50) respectively.
8. gear box clutch as claimed in claim 7, it is characterized in that, described rubber seal (44) is three, and is separated by two described second annular grooves (37).
9. the gear box clutch as described in any one of claim 1-8, is characterized in that, described end cap offers the spill port (54) of the casing being communicated with cavity that described end cap and described transmission shaft (33) surround and gear-box.
10. the gear box clutch as described in any one of claim 1-8, is characterized in that, described rubber seal (44) is O type rubber seal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310159338.7A CN103234017B (en) | 2013-05-02 | 2013-05-02 | A kind of gear box clutch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310159338.7A CN103234017B (en) | 2013-05-02 | 2013-05-02 | A kind of gear box clutch |
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| Publication Number | Publication Date |
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| CN103234017A CN103234017A (en) | 2013-08-07 |
| CN103234017B true CN103234017B (en) | 2015-11-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310159338.7A Active CN103234017B (en) | 2013-05-02 | 2013-05-02 | A kind of gear box clutch |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2019008122A1 (en) * | 2017-07-05 | 2019-01-10 | Punch Powertrain N.V. | Lubrication and/or cooling device for, and a continuously variable transmission system including such a lubrication and/or cooling device |
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| CN107420530B (en) * | 2017-09-27 | 2023-11-07 | 南京创力传动机械有限公司 | High-power gearbox and high-power transmission device |
| CN108019487B (en) * | 2017-12-25 | 2023-11-28 | 香河皓达机器人谐波减速器制造有限公司 | Harmonic reducer of rigid wheel with double circular arc U type tooth |
| CN109269305B (en) * | 2018-09-20 | 2019-12-24 | 中钢集团西安重机有限公司 | Self-lubricating pneumatic rapping mechanism of submerged arc furnace drilling machine |
| CN112696487B (en) * | 2020-12-25 | 2023-03-07 | 中国船舶重工集团公司第七0三研究所 | Friction plate clutch oil supply device of double-speed gear box transmission error test bed |
| CN113483088B (en) * | 2021-07-22 | 2022-06-14 | 中国船舶重工集团公司第七0三研究所 | Marine gear box friction clutch input shaft assembly with oil supply device |
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| CN103234017A (en) | 2013-08-07 |
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