CN202531671U - Hydraulic locking disk - Google Patents

Hydraulic locking disk Download PDF

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Publication number
CN202531671U
CN202531671U CN2012201811151U CN201220181115U CN202531671U CN 202531671 U CN202531671 U CN 202531671U CN 2012201811151 U CN2012201811151 U CN 2012201811151U CN 201220181115 U CN201220181115 U CN 201220181115U CN 202531671 U CN202531671 U CN 202531671U
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CN
China
Prior art keywords
piston cylinder
clamp collar
hydraulic
hold
tapered clamp
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
Application number
CN2012201811151U
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Chinese (zh)
Inventor
纪强
张猛
邢志涛
崔庆丰
Original Assignee
纪强
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 纪强 filed Critical 纪强
Priority to CN2012201811151U priority Critical patent/CN202531671U/en
Application granted granted Critical
Publication of CN202531671U publication Critical patent/CN202531671U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model relates to a hydraulic locking disk of a keyless coupling device used in the wind power generation industry and belongs to the technical field of wind power generation equipment. The hydraulic locking disk can directly utilizes push force of a hydraulic push piston cylinder bottom to achieve the function of keyless torsion transmission without using a lot of nuts. The hydraulic locking disk is composed of a cone-shaped clamping ring, the push piston cylinder bottom, a fixing nut and a locking nut. The push piston cylinder bottom is positioned between a protruding ring of the cone-shaped clamping ring and the fixing nut and sealed between the protruding ring of the cone-shaped clamping ring and the fixing nut to form a front hydraulic cavity and a rear hydraulic cavity. The locking nut is disposed on the fixing nut, and the conical degree of an inner ring of the push piston cylinder bottom is identical to that of an outer ring of the cone-shaped clamping ring. The push piston cylinder bottom can be pushed forward by injecting high pressure oil into the hydraulic cavities so that a certain unit pressure can be formed between the cylindrical joint faces of the hydraulic locking disk, and then the push piston cylinder bottom is locked. Consequently, the hydraulic locking disk and a motor main shaft achieve the function of keyless torsion transmission after a hub disposed in the cone-shaped clamping ring is deformed. The hydraulic locking disk has a good locking effect, is convenient to assemble and disassemble, and is an ideal locking disk with the function of keyless torsion transmission.

Description

The hydraulic lock dish
Technical field
The utility model relates to mechanical coupling device technology, and particularly a kind of hydraulic lock dish that is used for the no binding shaft device of wind-power electricity generation industry belongs to technical field of wind power generating equipment.
Background technique
In all kinds of green energy resources, wind energy is one of tool business potential, most active renewable energy sources, receives the great attention of countries in the world government, energy circle and environmental protection circle.At present, the wind-power electricity generation amount accounts for 0.7% of the total electric weight in the world, expects the year two thousand twenty wind-power electricity generation amount proportion and can rise to 12%.
The wind-powered electricity generation industry of China has also been stepped into the high speed development track.According to relevant research institution statistics, China in 2008 wind-powered electricity generation accumulative total electric motor power reaches 1,220 ten thousand kilowatts, and accumulative total in 2009 electric motor power will reach 2,000 ten thousand kilowatts.Therefore, the market prospects of China's wind power plant manufacturing industry and association area are very wide.
The installation of the generator shaft of wind power generating set and wheel hub (blade) is used; Because of the requirement of safeguarding and keeping in repair; All adopt no binding shaft device; Common way is to use the mechanical interlocking dish of a disk at present; Be uniformly distributed with through hole and bolt in disc circumference; Equipressure tights a bolt one by one, and its annular tapered sleeve makes wheel hub tighten together to the distortion of axle center and with generator shaft locking plate; When safeguarding or keeping in repair, make by the mechanical interlocking dish that generator shaft is separated with wheel hub (blade), the fastening connection.
Because the mechanical interlocking dish adopts and tightens the trim ring bolt, utilizes circular tapered sleeve to force each cylinder junction plane to form certain specific pressure, make wheel hub and generator shaft realize the function of no key driving torque; No matter the mechanical interlocking dish is in installation or dismounting, and the operator needs to incite somebody to action one by one with the torque wrench from coil to coil per capita, and nut tightens or unclamps, and speed is extremely slow; For the mechanical interlocking dish, thirties nuts are arranged on disk body, and so many nuts; Each needs equipressure to tighten, and one encloses; Every fastening locking plate needs 4~6 hours, a pair of will one day, labor intensity is big, spended time is long; And locking plate can not be changed in the high-altitude after damaging, and changing to ground then needs high lifting cost usefulness, and this is the insurmountable shortcoming of mechanical interlocking dish, has become factory to improve the bottleneck of output.
Summary of the invention
The goal of the invention of the utility model is: a kind of hydraulic lock dish is provided; It need not to use a lot of nuts; Tighten one by one; But directly utilize the thrust at the bottom of the hydraulic drive piston cylinder, make its each cylinder mating face form certain specific pressure through the inclined-plane compressing, thereby reach the function of no key driving torque.
For addressing the above problem; The utility model is such realization: a kind of hydraulic lock dish is characterized in that: it is by the tapered clamp collar, promote at the bottom of the piston cylinder, and hold-doun nut and lock nut formation, the outer ring of described tapered clamp collar is tapering; Front end is provided with protruding circle; Hold-doun nut is fixed on the rear end of tapered clamp collar; The outer ring of hold-doun nut is provided with a circle boss; Place at the bottom of the described promotion piston cylinder between the protruding circle and hold-doun nut of tapered clamp collar cover; Through forming former and later two hydraulic pressure cavity between being sealed in, the outer ring tapering of inner ring and tapered clamp collar coincide at the bottom of the said promotion piston cylinder, realizes promoting to move forward and backward at the bottom of the piston cylinder through in two hydraulic pressure cavity, injecting high pressure oil; Described lock nut cooperates with hold-doun nut, is used for locking and promotes at the bottom of the piston cylinder, and this programme promotes principle at the bottom of utilizing the hydraulic drive piston cylinder; Make its each cylinder mating face form certain specific pressure through the inclined-plane compressing; Thereby reach the function of no key driving torque, promote simultaneously self to serve as disk body role of the prior art at the bottom of the piston cylinder, need not personnel operation; Convenient and swift, one-time-reach-place.
Front end is provided with direction recess and matches with the protruding circle of tapered clamp collar at the bottom of the described promotion piston cylinder; The protruding circle outside in the tapered clamp collar is provided with seal ring; Rear end at tapered clamp collar cone angle is provided with seal ring; Make and promote at the bottom of the piston cylinder and chamber at the bottom of the preceding promotion piston cylinder that formation seals between the tapered clamp collar; Adopt hydraulic function; Must use seal ring; This programme design is ingenious, and seal ring is located at the protruding circle end face of tapered clamp collar and the rear end of tapered clamp collar, utilizes and has formed chamber at the bottom of the preceding promotion piston cylinder between the protruding circle of direction recess and tapered clamp collar of front end at the bottom of the promotion piston cylinder; Promote to inject in the chamber at the bottom of the piston cylinder high pressure oil forward, can promote backward at the bottom of the piston cylinder promoting; Thereby clamp ring is unclamped.
Rear end at the bottom of the described promotion piston cylinder is provided with direction recess equally, matches with the boss of hold-doun nut; The boss outside at hold-doun nut is provided with seal ring, chamber at the bottom of the promotion piston cylinder after forming at the bottom of the said promotion piston cylinder and between the seal ring of the seal ring of the nearly protruding circle of inwall of hold-doun nut and tapered clamp collar rear end;
On outer wall at the bottom of the described promotion piston cylinder, be provided with two perforation, filler opening and back filler opening before being respectively, and link to each other with former and later two through holes on promoting the piston cylinder downside wall; Through injecting high pressure oil to two filler openings, hydraulic pressure cavity and back hydraulic pressure cavity before flowing to respectively; Ditto equally, chamber at the bottom of the promotion piston cylinder after forming between the recessed circle of guiding of rear end and the boss on the hold-doun nut at the bottom of the utilization promotion piston cylinder is when needs stress on the tapered clamp collar; Promote to inject in the chamber at the bottom of the piston cylinder high pressure oil backward; Just will promote to move forward at the bottom of the piston cylinder, reach the locking pressure of setting after making at the bottom of the promotion piston cylinder in the chamber, and make its each cylinder mating face form certain specific pressure through the inclined-plane compressing; Make clamp ring dwindle, thereby reach the function of no key driving torque to the axle center.
Technique scheme is done further refinement, and the rear end of described hold-doun nut and tapered clamp collar is through being threaded; And in the tapered clamp collar, be provided with a circle stop bit step; Be provided with the stop bit step in the present technique scheme, utilize this step that hold-doun nut is positioned, prevent too forwardly, hydraulic pressure cavity is diminished, have hydraulic pressure cavity or do not reach the pressure of setting.
Do further refinement to stating technological scheme, the outer wall of described hold-doun nut is provided with outside thread and matches with the internal thread of lock nut and be used to stop and promote retreating at the bottom of the piston cylinder that locking promotes at the bottom of the piston cylinder.Because of reaching the locking pressure of setting in the chamber at the bottom of the back promotion piston cylinder; Reached that the tapered clamp collar tightens up be purpose after, promptly to remove high-pressure oil pipe, promote rollback at the bottom of the piston cylinder for not making; Lock nut rotation direction front end on the hold-doun nut; To promote to lock at the bottom of the piston cylinder, the specific pressure that the collar of maintenance tapered clamp is tightened up makes that the wheel hub in the tapered clamp collar is out of shape the function that back and pinning and electric machine main shaft reach no key driving torque.
Technique scheme is done further refinement, and described back pouring orifice is provided with stop valve.The control stop valve is the may command oiling or closes.
Technique scheme is done further refinement, the outer ring of tapered clamp collar cover with promote piston cylinder at the bottom of the tapering that cooperates be 7 to spend; Can reach maximum deformation force for reaching the optimum pressurized active force,, tapering is decided to be 7 degree therefore based on practice situation.
Description of drawings
Fig. 1 is the sectional drawing of specific embodiment.
Fig. 2 is the structure sectional view of the utility model.
Embodiment
Structure for further this patent of description below in conjunction with accompanying drawing, and elaborates to this structure for example.
As shown in Figure 1, this fluid presses locking plate to be arranged on the wheel hub 7, the fluid locking plate by tapered clamp collar 1, promote at the bottom of the piston cylinder 2, hold-doun nut 3, lock nut 4 constitute, described tapered clamp collar 1 is to be made up of a tapered lasso 11 of outer wall; Front end in tapered clamp collar 1 is provided with a protruding circle 12.Screw thread 13 couplings of described hold-doun nut 3 and tapered clamp collar 1 rear end, its front end outer wall is provided with a circle boss 31, the inboard of front end be provided with for cooperating at the bottom of the promotion piston cylinder 2 groove 32; At the bottom of the described promotion piston cylinder 2 be placed in tapered clamp collar 1 male cone (strobilus masculinus), be positioned in the middle of the protruding circle 12 of hold-doun nut 3 and tapered clamp collar 1; 2 front end inboard is provided with the direction recess (1) 21 that matches with the protruding circle 12 of tapered clamp collar 1 front end at the bottom of promoting piston cylinder, matches with protruding circle 12; Protruding circle 12 outsides at the front end of tapered clamp collar 1 are provided with seal ring a 121; At the bottom of promoting piston cylinder 2 with outer wall that tapered clamp collar 1 rear end cooperates on be provided with seal ring b 14 equally, cooperate with seal ring a 121 on the protruding circle 12 of front end formed one before chamber 5 at the bottom of the promotion piston cylinder; 2 outer wall front end is provided with a pouring orifice A 22 who leads to chamber 5 at the bottom of the preceding promotion piston cylinder at the bottom of promoting piston cylinder, promotes chamber 5 oilings at the bottom of the piston cylinder forward.
At the bottom of promoting piston cylinder 2 the rear end be provided with equally and direction recess (2) 23; Chamber 6 at the bottom of the promotion piston cylinder after this groove (2) 23 is formed one with a circle boss 31 of hold-doun nut 3 front ends; For the boss outside that is sealed in hold-doun nut 3 is provided with seal ring c 33, with advancing still to be provided with seal ring d 34 in inner ring groove 32 inboards; 2 outer wall rear end is provided with one and leads to the pouring orifice B 24 that the back promotes chamber 6 at the bottom of the piston cylinder at the bottom of promoting piston cylinder, promotes chamber 6 oilings at the bottom of the piston cylinder backward.
For locking promotes at the bottom of the piston cylinder 2, said at the bottom of promoting piston cylinder 2 rear ends added lock nut 4,2 screw-thread fit on this lock nut 4 and the hold-doun nut; Make the back promote the locking pressure that chamber 6 internal causes at the bottom of the piston cylinder reach setting, reached that the tapered clamp collar tightens up be purpose after, promptly to remove high-pressure oil pipe; Tighten lock nut 4 and will promote at the bottom of the piston cylinder 2 and block, keep the specific pressure of each cylinder junction plane of locking plate, make wheel hub 7 and electric machine main shaft 8 firm connecting in the tapered clamp collar 1; Promote the high pressure oil in chamber 6 at the bottom of the piston cylinder immediately behind the venting, remove oil filler pipe, seal two pouring orifices; The locking operation is accomplished, and reaches the function of no key driving torque; The whole process time spent is very short, and one man operation, and is quite convenient.
Basically accomplish by this hydraulic lock dish of such scheme, because tapered clamp collar 1, hold-doun nut 3,4 threes tightly link to each other through screw thread each other with lock nut, so in said structure, have only at the bottom of the promotion piston cylinder 2 to be movable.
When needing repairing dismounting, high pressure oils were injected in chamber 6 at the bottom of elder generation promoted piston cylinder backward, were convenient to lock nut 4 and unclamped; Unscrew lock nut 4, switch high pressure oil and promote chamber 5 at the bottom of the piston cylinder before open, promote piston cylinder forward at the bottom of chamber 5 inject high pressure oils; Make to promote at the bottom of the piston cylinder 2 and move backward,, the specific pressure of each cylinder junction plane of locking plate is disappeared up to initial position; Thereby dismantle locking plate easily, cause wheel hub 7 and electric machine main shaft 8 to unclamp.
Be the needs of oiling, on back pouring orifice A 24, be provided with stop valve; The control stop valve is the may command oiling or closes.
Therefore according to practice situation, can reach maximum deformation force for reaching the optimum pressurized active force, the taper ring 11 of tapered clamp collar 1 with promote piston cylinder at the bottom of the tapering that cooperates be 7 to spend; Tapering is decided to be 7 degree.
The hydraulic lock dish of the utility model is reasonable in design, has solved insurmountable shortcomings such as labor intensity is big in original technology, the time cost is long; Only need to insert the high pressure oil system, press the startup push button, can lock, dismantle locking plate through high pressure oil; Raised the production effect greatly, and respectively locked the ratio equilibrium of cylinder junction plane, locking effect is good; Loading, unloading are convenient, are the desirable locking plates of no key driving torque.

Claims (6)

1. hydraulic lock dish is characterized in that: by the tapered clamp collar, promotes at the bottom of the piston cylinder, and hold-doun nut and lock nut formation, the outer ring of described tapered clamp collar is tapering, and front end is provided with protruding circle; Hold-doun nut is arranged at the rear end of tapered clamp collar; The outer ring of hold-doun nut is provided with a circle boss; Place at the bottom of the described promotion piston cylinder between the protruding circle and hold-doun nut of tapered clamp collar; Through forming former and later two hydraulic pressure cavity between being sealed in, the outer ring tapering of inner ring and tapered clamp collar coincide at the bottom of the said promotion piston cylinder, realizes promoting to move forward and backward at the bottom of the piston cylinder through in two hydraulic pressure cavity, injecting high pressure oil; Described lock nut cooperates with hold-doun nut, is used for locking and promotes at the bottom of the piston cylinder.
2. a kind of hydraulic lock dish according to claim 1 is characterized in that: front end is provided with direction recess and matches with the protruding circle of tapered clamp collar at the bottom of the described promotion piston cylinder; The protruding circle outside in the tapered clamp collar is provided with seal ring; Rear end at tapered clamp collar cone angle is provided with seal ring; Make at the bottom of the promotion piston cylinder and chamber at the bottom of the preceding promotion piston cylinder of formation sealing between the tapered clamp collar cover;
Rear end at the bottom of the described promotion piston cylinder is provided with direction recess equally, matches with the circle of one on hold-doun nut boss; The boss outside at hold-doun nut is provided with seal ring, chamber at the bottom of the promotion piston cylinder after forming at the bottom of the said promotion piston cylinder and between the seal ring of the seal ring of the nearly boss of inwall of hold-doun nut and tapered clamp collar rear end;
On outer wall at the bottom of the described promotion piston cylinder, be provided with two perforation, filler opening and back filler opening before being respectively, and link to each other with former and later two through holes on promoting the piston cylinder downside wall; Through injecting high pressure oil to two filler openings, hydraulic pressure cavity and back hydraulic pressure cavity before flowing to respectively.
3. a kind of hydraulic lock dish according to claim 1 is characterized in that: the rear end of described hold-doun nut and tapered clamp collar is through being threaded; And in the tapered clamp collar, be provided with a circle stop bit step.
4. a kind of hydraulic lock dish according to claim 1 is characterized in that: the outer wall of described hold-doun nut is provided with outside thread and matches with the internal thread of lock nut, is used for locking and promotes at the bottom of the piston cylinder.
5. a kind of hydraulic lock dish according to claim 2 is characterized in that: described back pouring orifice is provided with stop valve.
6. a kind of hydraulic lock dish according to claim 1 is characterized in that: the outer ring tapering of tapered clamp collar cover is 7 degree.
CN2012201811151U 2012-04-26 2012-04-26 Hydraulic locking disk Expired - Fee Related CN202531671U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2012201811151U CN202531671U (en) 2012-04-26 2012-04-26 Hydraulic locking disk

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2012201811151U CN202531671U (en) 2012-04-26 2012-04-26 Hydraulic locking disk

Publications (1)

Publication Number Publication Date
CN202531671U true CN202531671U (en) 2012-11-14

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN2012201811151U Expired - Fee Related CN202531671U (en) 2012-04-26 2012-04-26 Hydraulic locking disk

Country Status (1)

Country Link
CN (1) CN202531671U (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104405777A (en) * 2014-11-14 2015-03-11 江苏荣基重工科技有限公司 Wind power generation combination contraction locking disk
CN104816127A (en) * 2015-03-31 2015-08-05 攀钢集团工程技术有限公司 Connecting method and structure of lifting roller shaft of sawing and drilling machine and hollow shaft of speed reducer
CN105459021A (en) * 2015-12-29 2016-04-06 马鞍山市井湖机械制造有限公司 Locking disc assembling prepositioning device and assembling method
CN108302123A (en) * 2018-01-17 2018-07-20 太原科技大学 A kind of quick detachable wind-power locking disc

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104405777A (en) * 2014-11-14 2015-03-11 江苏荣基重工科技有限公司 Wind power generation combination contraction locking disk
CN104816127A (en) * 2015-03-31 2015-08-05 攀钢集团工程技术有限公司 Connecting method and structure of lifting roller shaft of sawing and drilling machine and hollow shaft of speed reducer
CN104816127B (en) * 2015-03-31 2017-05-10 攀钢集团工程技术有限公司 Connecting method and structure of lifting roller shaft of sawing and drilling machine and hollow shaft of speed reducer
CN105459021A (en) * 2015-12-29 2016-04-06 马鞍山市井湖机械制造有限公司 Locking disc assembling prepositioning device and assembling method
CN108302123A (en) * 2018-01-17 2018-07-20 太原科技大学 A kind of quick detachable wind-power locking disc

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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

Granted publication date: 20121114

Termination date: 20150426

EXPY Termination of patent right or utility model