CN101915275B - Elastic damping coupler - Google Patents

Elastic damping coupler Download PDF

Info

Publication number
CN101915275B
CN101915275B CN2010102402519A CN201010240251A CN101915275B CN 101915275 B CN101915275 B CN 101915275B CN 2010102402519 A CN2010102402519 A CN 2010102402519A CN 201010240251 A CN201010240251 A CN 201010240251A CN 101915275 B CN101915275 B CN 101915275B
Authority
CN
China
Prior art keywords
hole
ring
spring seat
elastic damping
spring
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.)
Active
Application number
CN2010102402519A
Other languages
Chinese (zh)
Other versions
CN101915275A (en
Inventor
毛有军
宋志龙
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chongqing Gearbox Co Ltd
Original Assignee
Chongqing Gearbox Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Chongqing Gearbox Co Ltd filed Critical Chongqing Gearbox Co Ltd
Priority to CN2010102402519A priority Critical patent/CN101915275B/en
Publication of CN101915275A publication Critical patent/CN101915275A/en
Application granted granted Critical
Publication of CN101915275B publication Critical patent/CN101915275B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
    • F16D3/02—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive adapted to specific functions
    • F16D3/10—Couplings with means for varying the angular relationship of two coaxial shafts during motion
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
    • F16D3/50—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive with the coupling parts connected by one or more intermediate members
    • F16D3/56—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive with the coupling parts connected by one or more intermediate members comprising elastic metal lamellae, elastic rods, or the like, e.g. arranged radially or parallel to the axis, the members being shear-loaded collectively by the total load

Abstract

The invention discloses an elastic damping coupler comprising a spline shaft, a ring flange, a cover plate, a seal ring holder, a baffle ring and a spring seat, wherein the baffle plate is arranged in a central hole of the spline shaft and is provided with a first through hole; one end of the baffle plate is positioned by the spline shaft, and the other end is provided with a mating hole with diameter larger than that of the first through hole; the spring seat is arranged between the baffle ring and the cover plate; the diameter of one end of the spring seat, which is close to the baffle ring, is larger than that of the first through hole and smaller than that of the mating hole; the spring seat is provided with a second through hole communicated with the first through hole; and the spring seat is sleeved with a spring; one end of the spring is positioned by the baffle ring, and the other end is positioned by the seal ring holder. The elastic damping coupler effectively solves the problems of abrasion and oil leakage which are generated by the connection between the coupler and a universal shaft and between the coupler and a diesel, enhances the self use performance of the coupler, prolongs the self service life of the coupler and enhances the operation stability, reliability and safety of a power system.

Description

Elastic damping coupler
Technical field
The present invention relates to the shaft coupling technical field, more particularly, relate to the elastic damping coupler of a kind of cardan shaft with 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 situation, suppress torsional vibration or with dangerous resonant transfer outside the engine operation speed range, be necessary.For example be applicable to that connecting an end is that fixed structure (like diesel engine), an end are the elastic damping couplers for bascule (like cardan shaft).
See also Fig. 1, Fig. 2, Fig. 1 are the structural representation of existing elastic damping coupler, and Fig. 2 is that Fig. 1 is along the right sectional view of C-C line.
Wherein, 1 is splined shaft, and 2 is flange plate, and 3 is cover plate, and 4 is packing holder, and 5 is side plate, and 6 is the O RunddichtringO, and 7 is the reed group.
Flange plate 2 grasps the equally distributed wedge shape reed group of being cut apart by support block 7 through bolt with side plate 5, and the splined shaft that has center hole 1 that an end has flange inserts from side plate 5 one sides, and the inner of each reed group 7 embeds in the keyway of splined shaft 1.Cover plate 3 is fixed on the said flange plate 2, and the interior packing holder 4 of center hole that an end stretches into splined shaft 1 passes through screw on splined shaft 1, and which is provided with the groove that holds seal ring, so that seal through seal ring with flange plate 2, prevents leakage of oil.The external member flange plate 2 of elastic coupling is connected with the output crank shaft of diesel engine; The larger diameter end of splined shaft 1 (flange end) is connected with cardan shaft; Shaft coupling external member flange plate 2 transmits torque to through reed group 7 in the spline of smaller diameter end of splined shaft 1, thus through splined shaft transmission of power to cardan shaft.
The weight of cardan shaft will partly rely on elastic damping coupler to support, the effect that shaft coupling does not have restriction cardan shaft axial stretching and radially jumps.In this case, directly influence is exactly, and cardan shaft in use takes place axially and radially to jump, and causes side plate endoporus and the 6 wearing and tearing aggravations of O RunddichtringO, has increased the not stationarity of whole system's operation.Simultaneously, influenced the quality of fit of splined shaft 1, made splined shaft 1 axle journal cylindrical with the monolateral contact of side plate 5 endoporus with side plate 5; Strengthen the decrement of compression O RunddichtringO 6; Cause shaft coupling O RunddichtringO 6 and the wearing and tearing of side plate 5 endoporus to strengthen, 6 sealings of O RunddichtringO are bad, and O RunddichtringO 6 place's splined shafts 1 with the gap of side plate 5 endoporus leakage of oil take place; Also can cause 7 wearing and tearing aggravation or the fractures of shaft coupling reed when situation is serious, influence the safe operation of power system.Be fixed as one through packing holder 4 and splined shaft 1, and splined shaft 1 is inserted in the side plate 5, again packing holder 4 and flange plate 2 are fitted tightly in addition, can avoid radially jumping of splined shaft 1.But axially jumping of splined shaft 1 is the problem of puzzlement industry always.
Summary of the invention
In view of this, the present invention provides a kind of elastic damping coupler, to reduce splined shaft by the defective that brought by axial force.
For realizing above-mentioned purpose, the present invention provides following technological scheme:
A kind of elastic damping coupler comprises splined shaft, flange plate, and cover plate and packing holder also comprise:
Be arranged on the back-up ring in the center hole of said splined shaft, have first through hole on this back-up ring, and the one of which end leans on said splined shaft location, the other end offers the matching hole of diameter greater than said first through-hole diameter;
Be arranged on the spring seat between said back-up ring and the said cover plate; Said spring seat is near the diameter of an end of the said back-up ring diameter greater than said first through hole; And less than the diameter of said matching hole, offer second through hole that communicates with said first through hole on this spring seat, and be set with spring on this spring seat; Said spring one end leans on said back-up ring location, and the other end leans on said packing holder location.
Preferably, in the above-mentioned elastic damping coupler, also comprise the packing ring that is sleeved on the said spring seat, said packing ring is two, and lays respectively at the two ends of said spring.
Preferably, in the above-mentioned elastic damping coupler, said packing ring is bronze packing ring.
Preferably, in the above-mentioned elastic damping coupler, the axis of the axis of said first through hole and said second through hole is on same straight line.
Preferably, in the above-mentioned elastic damping coupler, said spring seat is fixed together through screw and said cover plate.
Preferably, in the above-mentioned elastic damping coupler, offer annular oil-return groove on the said cover plate.
Can find out that from technique scheme elastic damping coupler provided by the invention is through being provided with spring seat in the center hole of splined shaft, and on spring seat sheathed spring, make the two ends of spring lean on packing holder and back-up ring to locate respectively.Make that when splined shaft receives axial force the spring force of this spring can balance out most of axial force, thereby can reduce the defective that axis jumps and brings because splined shaft receives axial force.What the present invention had solved shaft coupling and cardan shaft, diesel engine effectively is connected institute's occurring wear and leakage of oil problem, the usability and the life-span of having improved shaft coupling itself, has strengthened running stability, reliability and the Security of power system.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technological scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation of existing elastic damping coupler;
Fig. 2 is the sectional view of Fig. 1 along the C-C line;
The structural representation of the elastic damping coupler that Fig. 3 provides for the embodiment of the invention;
Fig. 4 is the sectional view of Fig. 3 along the A-A line;
The structure of cover plate schematic representation that Fig. 5 provides for the embodiment of the invention;
Half view of the cover plate that Fig. 6 provides for the embodiment of the invention.
Embodiment
The invention discloses a kind of elastic damping coupler, to reduce the defective that the splined shaft reason is brought by axial force.
To combine the accompanying drawing in the embodiment of the invention below, the technological scheme in the embodiment of the invention is carried out clear, intactly description, obviously, described embodiment only is a part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment among the present invention, those of ordinary skills are not making all other embodiments that obtained under the creative work prerequisite, all belong to the scope of the present invention's protection.
See also Fig. 3-Fig. 6; The structural representation of the elastic damping coupler that Fig. 3 provides for the embodiment of the invention; Fig. 4 is the sectional view of Fig. 3 along the A-A line, half view of the cover plate that the structure of cover plate schematic representation that Fig. 5 provides for the embodiment of the invention, Fig. 6 provide for the embodiment of the invention.
Wherein, 1 is that splined shaft, 2 is that flange plate, 3 is that cover plate, 4 is that packing holder, 5 is that side plate, 6 is that O RunddichtringO, 7 is that reed group, 8 is that packing ring, 9 is that spring seat, 10 is that pressure spring, 11 is a back-up ring.
Elastic damping coupler provided by the invention comprises splined shaft 1, flange plate 2, cover plate 3, packing holder 4, side plate 5, reed group 7, spring seat 9, pressure spring 10 and back-up ring 11.
Wherein, flange plate 2 grasps the equally distributed wedge shape reed group of being cut apart by support block 7 through bolt with side plate 5, and the splined shaft that has center hole 1 that an end has flange inserts from side plate 5 one sides, and the inner of each reed group 7 embeds in the keyway of splined shaft 1.Cover plate 3 is fixed on the said flange plate 2, and the interior packing holder 4 of center hole that an end stretches into splined shaft 1 passes through screw on splined shaft 1, and which is provided with the groove that holds seal ring, so that seal through seal ring with flange plate 2, prevents leakage of oil.The external member flange plate 2 of elastic coupling is connected with the output crank shaft of diesel engine; The larger diameter end of splined shaft 1 (flange end) is connected with cardan shaft; Shaft coupling external member flange plate 2 transmits torque to through reed group 7 in the spline of smaller diameter end of splined shaft 1, thus through splined shaft transmission of power to cardan shaft.
Back-up ring 11 is arranged in the center hole of splined shaft 1, has first through hole on this back-up ring 1, and the one of which end leans on splined shaft 1 location, and the other end offers the matching hole of diameter greater than first through-hole diameter.The shaft shoulder between the matching hole and first through hole is used for restraining spring seat 9 and moves to the first through hole azimuth axis.
Spring seat 9 is arranged between said back-up ring 11 and the said cover plate 3; Spring seat 9 is near the diameter of an end of back-up ring 11 diameter greater than first through hole; And diameter less than said matching hole; Offer second through hole that communicates with said first through hole on this spring seat 11, first through hole and second through hole communicate to oil provides path, and the axis of the axis of preferred first through hole and said second through hole is on same straight line.Be set with spring 10 on this spring seat 9, said spring 10 1 ends lean on said back-up ring 11 location, and the other end leans on said packing holder 4 location.
In sum, elastic damping coupler provided by the invention is through being provided with spring seat in the center hole of splined shaft, and on spring seat sheathed spring, make the two ends of spring lean on packing holder and back-up ring to locate respectively.Make that when splined shaft receives axial force the spring force of this spring can balance out most of axial force, thereby can reduce the defective that axis jumps and brings because splined shaft receives axial force.What the present invention had solved shaft coupling and cardan shaft, diesel engine effectively is connected institute's occurring wear and leakage of oil problem, the usability and the life-span of having improved shaft coupling itself, has strengthened running stability, reliability and the Security of power system.
The present invention also comprises the packing ring 8 that is sleeved on the spring seat 9, and this packing ring 8 is two, and lays respectively at the two ends of said spring 10.Through packing ring 8 is set, make spring 10 offset the axial force that cardan shaft imposes on splined shaft 1 more uniformly.Packing ring 8 is preferably bronze packing ring.
Spring seat 9 is fixed together through screw and said cover plate 3.Through spring seat 9 and cover plate 3 are fixed together, and spring seat 9 an end stretches in the mating hole of back-up ring 11, and back-up ring 11 leans on splined shaft 1 axially locating.So when splined shaft 1 radial-play; Will inevitably drive back-up ring 11 radial-plays; And back-up ring 11 will inevitably drive spring seat 9 and cover plate 3 radial-plays, and cover plate 3 is to be fixed on the flange plate, and flange plate is not radially having degrees of freedom; So splined shaft 1 is not radially having degrees of freedom yet, thereby avoided splined shaft 1 jumping radially.
Offer annular oil-return groove on the cover plate 8, can effectively solve the oil return problem behind the forced feed, as long as bent axle has spill port just can well guarantee the oil return of shaft coupling on this distribution circle.Owing to limited the axial and radial motion of splined shaft 1; Alleviated the decrement uneven problem of O type rubber seal 6 with side plate 5 endoporus; The wearing and tearing of rubber seal have been effectively reduced; Guaranteed the sealing effect in this gap, place, in the working life of having improved shaft coupling, having increased whole axle is traveling comfort.
To the above-mentioned explanation of the disclosed embodiments, make related domain professional and technical personnel can realize or use the present invention.Multiple modification to these embodiments will be conspicuous concerning those skilled in the art, and defined General Principle can realize under the situation that does not break away from the spirit or scope of the present invention in other embodiments among this paper.Therefore, the present invention will can not be restricted to these embodiments shown in this paper, but will meet and principle disclosed herein and features of novelty the wideest corresponding to scope.

Claims (6)

1. an elastic damping coupler comprises splined shaft, flange plate, and cover plate and packing holder is characterized in that, also comprise:
Be arranged on the back-up ring in the center hole of said splined shaft, have first through hole on this back-up ring, and the one of which end leans on said splined shaft location, the other end offers the matching hole of diameter greater than said first through-hole diameter;
Be arranged on the spring seat between said back-up ring and the said cover plate; Said spring seat is near the diameter of an end of the said back-up ring diameter greater than said first through hole, and less than the diameter of said matching hole, offers second through hole that communicates with said first through hole on this spring seat; And be set with spring on this spring seat; Said spring one end leans on said back-up ring location, and the other end leans on said packing holder location, and an end of said spring seat stretches in the matching hole of said back-up ring.
2. elastic damping coupler according to claim 1 is characterized in that, also comprises the packing ring that is sleeved on the said spring seat, and said packing ring is two, and lays respectively at the two ends of said spring.
3. elastic damping coupler according to claim 2 is characterized in that, said packing ring is bronze packing ring.
4. elastic damping coupler according to claim 1 is characterized in that, the axis of the axis of said first through hole and said second through hole is on same straight line.
5. elastic damping coupler according to claim 1 is characterized in that, said spring seat is fixed together through screw and said cover plate.
6. according to each described elastic damping coupler of claim 1-5, it is characterized in that, offer annular oil-return groove on the said cover plate.
CN2010102402519A 2010-07-28 2010-07-28 Elastic damping coupler Active CN101915275B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010102402519A CN101915275B (en) 2010-07-28 2010-07-28 Elastic damping coupler

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2010102402519A CN101915275B (en) 2010-07-28 2010-07-28 Elastic damping coupler

Publications (2)

Publication Number Publication Date
CN101915275A CN101915275A (en) 2010-12-15
CN101915275B true CN101915275B (en) 2012-08-22

Family

ID=43322863

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2010102402519A Active CN101915275B (en) 2010-07-28 2010-07-28 Elastic damping coupler

Country Status (1)

Country Link
CN (1) CN101915275B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2725249A3 (en) * 2012-10-26 2017-05-31 Ellergon Antriebstechnik Gesellschaft m.b.H. Torsionally flexible coupling

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106438836B (en) * 2016-11-18 2018-11-20 中国航空动力机械研究所 Axis damping unit
KR20190102212A (en) * 2016-12-20 2019-09-03 데이나 오토모티브 시스템즈 그룹 엘엘씨 Joint assembly with installation aid
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
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
CN110360239B (en) * 2019-08-14 2024-03-15 河南柴油机重工有限责任公司 Elastic damping connecting device with adjustable axial clearance for impact-resistant diesel engine

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN200999809Y (en) * 2006-11-07 2008-01-02 重庆齿轮箱有限责任公司 Wear resistant leak-proof elastic damping sleeve pipe
CN201747812U (en) * 2010-07-28 2011-02-16 重庆齿轮箱有限责任公司 Elastic damping coupling joint

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT398462B (en) * 1993-07-15 1994-12-27 Geislinger Co Schwingungstechn TORQUE DAMPER OR TURN-ELASTIC CLUTCH
AT410829B (en) * 2001-10-22 2003-08-25 Ellergon Antriebstech Gmbh DRIVE TRAY WITH A ROTARY VIBRATION DAMPER AND A TURNOVER CLUTCH

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN200999809Y (en) * 2006-11-07 2008-01-02 重庆齿轮箱有限责任公司 Wear resistant leak-proof elastic damping sleeve pipe
CN201747812U (en) * 2010-07-28 2011-02-16 重庆齿轮箱有限责任公司 Elastic damping coupling joint

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2725249A3 (en) * 2012-10-26 2017-05-31 Ellergon Antriebstechnik Gesellschaft m.b.H. Torsionally flexible coupling

Also Published As

Publication number Publication date
CN101915275A (en) 2010-12-15

Similar Documents

Publication Publication Date Title
CN101915275B (en) Elastic damping coupler
CN201747812U (en) Elastic damping coupling joint
US8900061B2 (en) Clutch device
CN101825144B (en) Shaft coupling of combined diaphragm of cambered plate
CN201250851Y (en) Elastic damping coupler for single brace motor
CN109915496B (en) SWC-BH type integral fork head cross shaft type telescopic welding type universal coupling
EP2492530B1 (en) Gear flexible coupling for transmitting torque between a drive shaft and a driven shaft, particularly for use on high-speed trains
CN102644672A (en) Coupling for stirring device
US4432739A (en) Spring steel liquid-damped shaft coupling
CN201561070U (en) Elastic damping coupling
CN201502637U (en) Coupling device of automobile brake liquid charge-discharge machine
CN202851707U (en) Involute spline sleeve of universal drive shaft
AU2018455574B2 (en) Drum gear
CN202023856U (en) Elastic damping coupling
CN101956767A (en) Method for designing shaft coupling of brake fluid charging/discharging machine of automobile
CN201121579Y (en) Oil pump of balancing oil scouring machine
CN101818764A (en) Elastic steel-needle pin coupler
CN101539139A (en) Double steel back lining lubricating pump
CN202867609U (en) Elastic damping coupling for cardan shaft
CN219755158U (en) Drum-shaped pin type coupling
AU2018454882B2 (en) Drum-shaped gear coupling and gear drive system provided with same
CN212407493U (en) Wear-resistant duplex driven gear
EP4042032B1 (en) Coupling
CN202451642U (en) Elastic coupler
CN220227582U (en) Cross axle type coupling

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant