CN202001515U - Elastic damping coupling - Google Patents
Elastic damping coupling Download PDFInfo
- Publication number
- CN202001515U CN202001515U CN2011201056063U CN201120105606U CN202001515U CN 202001515 U CN202001515 U CN 202001515U CN 2011201056063 U CN2011201056063 U CN 2011201056063U CN 201120105606 U CN201120105606 U CN 201120105606U CN 202001515 U CN202001515 U CN 202001515U
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- CN
- China
- Prior art keywords
- seal ring
- cover plate
- elastic damping
- ring seat
- packing holder
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses an elastic damping coupling, which comprises a spline shaft, a side plate, a flange plate, a seal ring seat and a cover plate, wherein the cover plate is provided with an accommodating hole fitted with the outer ring of the seal ring seat; the cover plate is sheathed onto the seal ring seat through the accommodating hole of the cover plate; and a seal ring is arranged between the cover plate and the seal ring seat. In the elastic damping coupling, the cover plate is provided with the accommodating hole fitted with the outer ring of the seal ring seat; the cover plate is sheathed onto the seal ring seat through the accommodating hole of the cover plate; and the seal ring is arranged between the cover plate and the seal ring seat, and thereby, an oil cavity is not formed between the seal ring seat as an internal component and the cover plate as an external component, so that an axial force is prevented from being generated between the internal component and the external component because of pressure oil supply. The problem that a diesel engine or a gear case and a bearing of a generator set are fast to wear down because of the axial force generated by the pressure oil supply carried out on the coupling is effectively solved, the self service performance of the coupling is improved, the service life of the coupling is prolonged, and the operation stability, the operation reliability and the operation safety of a power system are enhanced.
Description
Technical field
The utility model relates to the shaft coupling technical field, more particularly, relates to a kind of elastic damping coupler that does not have the axial force forced feed.
Background technique
Along with the continuous development of engine design, the torsional vibration problems of engine power assembly more and more induces one to pay attention to.Under a lot of situations, suppressing torsional vibration, or dangerous resonant transfer is arrived outside the engine operation speed range, is necessary.In the diesel powered system, need the coupling elastic damping coupler to solve the torsional vibration of axle system.The elasticity of elastic damping coupler by reed plays frequency modulation and keeps away and shake, and flows by the damping of lubricant oil in the shaft coupling and cuts down vibration peak, finally plays the effect that solves torsional vibration.
See also Fig. 1 and Fig. 2, Fig. 1 is the sectional structure schematic representation of existing elastic damping coupler, and Fig. 2 is the sectional view of Fig. 1 along the D-D line.
Fig. 1 with shown in Fig. 2 for being applicable to that being connected an end is diesel engine, an end is the elastic damping coupler of generator set.Flange plate 15 and side plate 12 clamp the equally distributed reed group of being cut apart by support block 16 by bolt, and the splined shaft 11 that an end has flange and has center hole is from the insertion of side plate 12 1 sides, and the inner of each reed group 16 embeds in the keyway of splined shaft 11.Cover plate 14 is fixed on the flange plate 15, an end stretch into packing holder 13 in the center hole of splined shaft 11 by screw on splined shaft 11.Be provided with bearing between flange plate 15 and the splined shaft 11.The external member flange plate 15 of elastic coupling is connected with generator, and the larger diameter end of splined shaft 11 (flange end) is connected with diesel engine.Shaft coupling portion of external member is placed in the cavity of generator inside, and the smaller diameter end spline of shaft coupling internals splined shaft 11 transmits torque on external member side plate 12 or the flange plate 15 by reed group 16 transmission of power is arrived generator set.
Yet, have cavity between internals splined shaft 11 small end faces sealing at present and spacing packing holder 13 and the external member cover plate 14, and easily pass through the bearing charged pressure oil between flange plate 15 and the splined shaft 11 among this cavity.In this case, directly influence is exactly: in the oil-feed and oil return process of shaft coupling fuel feeding, shaft coupling internals and external member produce axial force at axial direction, thereby diesel engine or its gear-box, generator set are produced end thrust, influence whole system, even accident can occur.Also can cause the 6 wearing and tearing aggravations of shaft coupling reed group, fracture or diesel engine bearing, dynamo bearing wearing and tearing when situation is serious, so that influence the safe operation of power system.
The model utility content
In view of this, the purpose of this utility model is to provide a kind of elastic damping coupler, to solve the fast problem of bearing loss that the shaft coupling forced feed is produced caused diesel engine of axial force and generator set.
For achieving the above object, the utility model provides following technological scheme:
A kind of elastic damping coupler, comprise splined shaft, side plate, flange plate, packing holder and cover plate, have on the described cover plate and the adaptive receiving bore in described packing holder outer ring, described cover plate is set on the described packing holder by its receiving bore, and is provided with seal ring between the two.
Preferably, in above-mentioned elastic damping coupler, the outer peripheral surface of described packing holder is provided with the seal ring draw-in groove of annular, and described seal ring places in the sealing circle draw-in groove.
Preferably, in above-mentioned elastic damping coupler, described seal ring draw-in groove is a plurality of along described packing holder axial distribution, and described seal ring is identical with the quantity of described seal ring draw-in groove, and places respectively in the corresponding seal ring draw-in groove.
Preferably, in above-mentioned elastic damping coupler, the thickness at described packing holder cylindrical place is identical with the thickness of described receiving bore sidewall.
Preferably, in above-mentioned elastic damping coupler, described seal ring is the O RunddichtringO.
Preferably, in above-mentioned elastic damping coupler, be provided with bearing between described splined shaft and the described flange plate.
From above-mentioned technological scheme as can be seen, the utility model is by on the cover board offering the receiving bore adaptive with the packing holder outer ring, cover plate is set on the described packing holder by its receiving bore, and be provided with seal ring between the two, thereby make between internals packing holder and external member cover plate, not form oil pocket, avoid forced feed between interior external member, to produce axial force.Solved the fast problem of bearing loss that the shaft coupling forced feed is produced the caused diesel engine of axial force or gear-box and generator set effectively, improve the usability and the life-span of shaft coupling itself, strengthened running stability, reliability and the Security of power system.And the above-mentioned improvement of empirical tests does not all influence the torsional vibration characteristic and the technical order of diesel powered system.
Description of drawings
Fig. 1 is the sectional structure schematic representation of existing elastic damping coupler;
Fig. 2 is the sectional view of Fig. 1 along the D-D line;
The sectional structure schematic representation of the elastic damping coupler that Fig. 3 provides for the utility model embodiment;
Fig. 4 is the sectional view of Fig. 3 along the D-D line;
The front view of the packing holder that Fig. 5 provides for the utility model embodiment;
Fig. 6 is the sectional view of Fig. 5 along the B-B line;
The structure of cover plate schematic representation that Fig. 7 provides for the utility model embodiment.
Embodiment
Core of the present utility model is to provide a kind of elastic damping coupler, to solve the fast problem of bearing loss that the shaft coupling forced feed is produced caused diesel engine of axial force and generator set.
Below in conjunction with the accompanying drawing among the utility model embodiment, the technological scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiments.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment who is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
See also Fig. 3, Fig. 4 and Fig. 7, the sectional structure schematic representation of the elastic damping coupler that Fig. 3 provides for the utility model embodiment, Fig. 4 is the sectional view of Fig. 3 along the D-D line, the structure of cover plate schematic representation that Fig. 7 provides for the utility model embodiment.
As shown in Figure 3 and Figure 4, the elastic damping coupler that the utility model provides comprises splined shaft 21, side plate 22, flange plate 25, packing holder 23 and cover plate 24.Wherein, flange plate 25 and side plate 22 clamp the equally distributed reed group of being cut apart by support block 26 by bolt, the splined shaft 21 that one end has flange and has center hole is from the insertion of side plate 22 1 sides, and the inner of each reed group 26 embeds in the keyway of splined shaft 21.Cover plate 24 is fixed on the flange plate 25, an end stretch into packing holder 4 in the center hole of splined shaft 21 by screw on splined shaft 21.The external member flange plate 25 of elastic coupling is used for being connected with generator, and the larger diameter end of splined shaft 21 (flange end) is used for being connected with diesel engine.Shaft coupling portion of external member is positioned in the cavity of generator inside, and the smaller diameter end spline of shaft coupling internals splined shaft 11 transmits torque on external member side plate 22 or the flange plate 25 by reed group 26 transmission of power is arrived generator set.
Please in conjunction with Fig. 7, of the present utility model focusing on has the receiving bore 241 adaptive with packing holder 23 outer rings on the cover plate 24, cover plate 24 is set on the packing holder 23 by its receiving bore 241, and be provided with seal ring 27 between the two, in case leak-stopping oil, seal ring 27 can be preferably the O RunddichtringO.The utility model with the sealing station of cover plate 24 with flange plate 25, is adjusted between cover plate 24 and the packing holder 23 cleverly, thereby has avoided the generation of oil pocket.
The utility model is by offering the receiving bore 241 adaptive with packing holder 23 outer rings on cover plate 24, lid, 24 are set on the packing holder 23 by its receiving bore 241, and be provided with seal ring 27 between the two, thereby make between internals packing holder 23 and external member cover plate 24, not form oil pocket, avoid forced feed between interior external member, to produce axial force.Solved the fast problem of bearing loss that the shaft coupling forced feed is produced the caused diesel engine of axial force or its gear-box and generator set effectively, improve the usability and the life-span of shaft coupling itself, strengthened running stability, reliability and the Security of power system.And the above-mentioned improvement of empirical tests does not all influence the torsional vibration characteristic and the technical order of diesel powered system.
As shown in Figure 5 and Figure 6, the outer peripheral surface of packing holder 23 is provided with the seal ring draw-in groove 231 of annular, and seal ring 27 places in the sealing circle draw-in groove 231.The stability that seal ring draw-in groove 231 can improve seal ring 27 is set, avoids equipment in operation process, seal ring 27 comes off, the influence sealing.It will be appreciated by persons skilled in the art that the seal ring draw-in groove also can be opened on the cover plate 24, also can offer simultaneously at cover plate 24 and packing holder 23.The utility model is not done concrete the qualification to the position that is provided with of seal ring draw-in groove 231.
In order to improve the sealing effect between cover plate 24 and the packing holder 23, seal ring draw-in groove 231 can be a plurality of along packing holder 23 axial distribution, and seal ring 27 is identical with the quantity of seal ring draw-in groove 231, and places respectively in the corresponding seal ring draw-in groove 231.Along packing holder 23 axial distribution a plurality of seal rings 27 are arranged, can avoid the appearance of oil leakage phenomenon.
The thickness at the packing holder 23 cylindrical places preferably thickness with receiving bore 241 sidewalls is identical, can guarantee after installation, and the two inside and outside both sides flushes.The utility model is provided with bearing between splined shaft 21 and flange plate 25.Be that sealing means of the present utility model mainly is applicable to the form that is provided with bearing between splined shaft 21 and the flange plate 25.Owing to be provided with bearing between splined shaft 21 and the flange plate 25, make lubricant oil to enter in the cavity between cover plate 24 and the packing holder 23 by this bearing, behind the sealing configuration that employing the utility model provides, on the basis of torsional vibration characteristic that does not influence the diesel powered system and technical order, cancelled above-mentioned cavity, solved the fast problem of bearing loss that the shaft coupling forced feed is produced the caused diesel engine of axial force or gear-box and generator set effectively, improve the usability and the life-span of shaft coupling itself, strengthened the running stability of power system, reliability and Security.
Each embodiment adopts the mode of going forward one by one to describe in this specification, and what each embodiment stressed all is and other embodiments' difference that identical similar part is mutually referring to getting final product between each embodiment.
To the above-mentioned explanation of the disclosed embodiments, make related domain professional and technical personnel can realize or use the utility model.Multiple modification to these embodiments will be conspicuous concerning those skilled in the art, and defined herein General Principle can realize under the situation that does not break away from spirit or scope of the present utility model in other embodiments.Therefore, the utility model will can not be restricted to these embodiments shown in this article, but will meet and principle disclosed herein and features of novelty the wideest corresponding to scope.
Claims (6)
1. elastic damping coupler, comprise splined shaft (21), side plate (22), flange plate (25), packing holder (23) and cover plate (24), it is characterized in that, have the receiving bore (241) adaptive on the described cover plate (24) with described packing holder (23) outer ring, described cover plate (24) is set on the described packing holder (23) by its receiving bore (241), and is provided with seal ring (27) between the two.
2. elastic damping coupler as claimed in claim 1 is characterized in that, the outer peripheral surface of described packing holder (23) is provided with the seal ring draw-in groove (231) of annular, and described seal ring (27) places in the sealing circle draw-in groove (231).
3. elastic damping coupler as claimed in claim 2, it is characterized in that, described seal ring draw-in groove (231) is a plurality of along described packing holder (23) axial distribution, described seal ring (27) is identical with the quantity of described seal ring draw-in groove (231), and places respectively in the corresponding seal ring draw-in groove (231).
4. as each described elastic damping coupler of claim 1-3, it is characterized in that the thickness at described packing holder (23) cylindrical place is identical with the thickness of described receiving bore (241) sidewall.
5. as each described elastic damping coupler of claim 1-3, it is characterized in that described seal ring (27) is the O RunddichtringO.
6. as each described elastic damping coupler of claim 1-3, it is characterized in that, be provided with bearing between described splined shaft (21) and the described flange plate (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201056063U CN202001515U (en) | 2011-04-08 | 2011-04-08 | Elastic damping coupling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201056063U CN202001515U (en) | 2011-04-08 | 2011-04-08 | Elastic damping coupling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202001515U true CN202001515U (en) | 2011-10-05 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201056063U Expired - Fee Related CN202001515U (en) | 2011-04-08 | 2011-04-08 | Elastic damping coupling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202001515U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104348299A (en) * | 2014-11-17 | 2015-02-11 | 南车资阳机车有限公司 | Connection structure for diesel engine and main power generator |
| CN109084123A (en) * | 2018-11-07 | 2018-12-25 | 河南柴油机重工有限责任公司 | A kind of compact enclosed bell housing and elastic damping shaft coupling section arrangement |
| CN109630556A (en) * | 2018-12-21 | 2019-04-16 | 重庆齿轮箱有限责任公司 | A kind of reversible shaft coupling |
| CN110375001A (en) * | 2019-08-14 | 2019-10-25 | 河南柴油机重工有限责任公司 | A kind of diesel engine elastomeric damping shaft coupling |
-
2011
- 2011-04-08 CN CN2011201056063U patent/CN202001515U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104348299A (en) * | 2014-11-17 | 2015-02-11 | 南车资阳机车有限公司 | Connection structure for diesel engine and main power generator |
| CN104348299B (en) * | 2014-11-17 | 2017-02-08 | 中车资阳机车有限公司 | Connection structure for diesel engine and main power generator |
| CN109084123A (en) * | 2018-11-07 | 2018-12-25 | 河南柴油机重工有限责任公司 | A kind of compact enclosed bell housing and elastic damping shaft coupling section arrangement |
| CN109084123B (en) * | 2018-11-07 | 2024-03-15 | 河南柴油机重工有限责任公司 | Compact closed flywheel housing and elastic damping coupling arrangement |
| CN109630556A (en) * | 2018-12-21 | 2019-04-16 | 重庆齿轮箱有限责任公司 | A kind of reversible shaft coupling |
| CN110375001A (en) * | 2019-08-14 | 2019-10-25 | 河南柴油机重工有限责任公司 | A kind of diesel engine elastomeric damping shaft coupling |
| CN110375001B (en) * | 2019-08-14 | 2024-03-15 | 河南柴油机重工有限责任公司 | Elastic damping coupling for diesel engine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111005 Termination date: 20180408 |