CN203284052U - Snap ring for hoisting and hanging runner for movable propeller turbine - Google Patents
Snap ring for hoisting and hanging runner for movable propeller turbine Download PDFInfo
- Publication number
- CN203284052U CN203284052U CN2013202812546U CN201320281254U CN203284052U CN 203284052 U CN203284052 U CN 203284052U CN 2013202812546 U CN2013202812546 U CN 2013202812546U CN 201320281254 U CN201320281254 U CN 201320281254U CN 203284052 U CN203284052 U CN 203284052U
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- Prior art keywords
- runner
- snap ring
- clasp
- ring
- movable propeller
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Abstract
The utility model discloses a snap ring for hoisting and hanging a runner for a movable propeller turbine, and aims to overcome the defects that the runner hoisting and hanging manner for the conventional movable propeller turbine has numerous procedures and is inconvenient to operate. The snap ring for hoisting and hanging the runner comprises at least two flaps of arc snap ring bodies, wherein the snap ring bodies are clamped and buckled with a ring groove of a runner servomotor cylinder cover, and is in bolted connection with a water turbine flow-guiding cone. The snap ring for hoisting and hanging the runner has a simple structure, tooling holes is not needed to be formed in a basic ring and a blade body, and a concave ring groove or a convex ring ribbon is not needed to be machined on a main shaft, so that the operation is very simple and convenient, a great many of procedures are eliminated, the mounting and maintenance efficiency of the plant unit is greatly improved.
Description
Technical field
The utility model belongs to the frock field, relate to specifically a kind of movable propeller turbine runner lifting and hang snap ring, novel all axial flow hydraulic turbines that are applicable to of this use, be specially adapted to existing unit runner before transformation and lift and hang and realize by foundation ring, the axial flow hydraulic turbine unit of transformation rear blade variation of quantity.
Background technology
The lifting of existing rotary wheel of water turbine and hang mainly contain two kinds, the one, the leaf of foundation ring and runner bucket on offer simultaneously joint hole, be used for installing suspension runner pull bar instrument (mainly for large-scale axial flow water turbine); The 2nd, processing spill annular groove or protruding endless belt on hydraulic turbine main shaft, utilize on inner top cover simultaneously the screw of bearing support, and the support instrument (mainly for medium and small axial flow water turbine) of suspension runner is installed.
Yet existing rotary wheel of water turbine lifting and hang exist following shortcoming:
One, the processing breach identical with runner bucket quantity on foundation ring, offer a screw on each breach inner ring; Offer hole in the middle of every blade impeller of runner simultaneously; Need process in addition the suspension pull bar instrument identical with blade quantity, every cover hanging tool utilizes this two hole closing, and with this, hangs runner.After water turbine installed, operating personal entered the machine hole again and takes down the pull bar instrument that hangs, then with the bolt handle, closed compensation block, to fill up the foundation ring runner; More trouble is the suppending hole that needs on plug screw shutoff runner impeller, then welds repair welding, and the polishing blade is to meet vane type line; Operating personal operation in the machine hole is also inconvenient.
Two, offer spill annular groove or protruding endless belt on hydraulic turbine main shaft, utilize simultaneously on inner top cover the screw of bearing support, separately need the one cover taper suspension holdfast of processing separately, on it, face-flange snaps in the main shaft annular groove or supports under main shaft projection endless belt, and the lower plane flange is on inner top cover.When runner and main shaft factory building with shaft link bolt tightly hang in the machine hole in place after, just can hang rotating shaft with this with this suspension holdfast supports main shaft; After water turbine installs, then from the inner top cover inner chamber, remove suspension holdfast, due to axial flow machine space constraint, the design of instrument need to be considered a lot of locus factor, and dismounting is loaded down with trivial details.
The utility model content
Various for overcoming existing movable propeller turbine runner lifting and hang operation, the shortcomings such as inconvenient operation, the purpose of this utility model is to provide a kind of movable propeller turbine runner lifting and hangs snap ring, have and can make movable propeller turbine runner lifting and hang operation simple, be convenient to the characteristics of staff's operation.
The utility model is to solve the problems of the technologies described above the technical scheme that adopts to be:
Movable propeller turbine runner lifting and suspension snap ring is characterized in that: comprise the body of clasp of at least two lobe arcuations, described body of clasp engages with the annular groove of runner servomotor cylinder cap and with water turbine deflection cone handle, closes.
Further, described snap ring comprises the body of clasp of two lobe arcuations, and described body of clasp and water turbine deflection cone are closing.
Further, described snap ring comprises the body of clasp of three lobe arcuations, and described body of clasp and water turbine deflection cone are closing.
Further, described snap ring comprises the pintongs body of clasp, and described body of clasp and water turbine deflection cone are closing.
Further, described body of clasp is evenly equipped with for the screw closing body of clasp and water turbine deflection cone.
Further, described body of clasp head and the tail are connected to ring-type successively, dig chamber in described body of clasp two ends all offer, and dig in chamber the attaching parts that is provided with for connecting the adjacent card ring body in described.
Further, described attaching parts is bolt.
Principle of work of the present utility model is:
At annular groove of rotary wheel of water turbine servomotor cylinder cap outer rim processing, as the movable propeller turbine runner lifting with hang that snap ring snaps in and runner hangs force area; , in deflection cone lower flange face processing screw hole, be used for making it to be combined into one with deflection cone closing snap ring; Main shaft and runner by shaft link bolt factory building close complete after, with the main shaft suspender, trisome (inner top cover, main shaft and runner) is directly hung in the machine hole, until inner top cover and top cover handle in the machine hole close in place after, loosen the main shaft suspender, main shaft and runner drop on snap ring together, and this moment, snap ring carried the weight of main shaft and runner.
The utility model compared with prior art has following beneficial effect:
One, snap ring of the present utility model, comprise that the body of clasp of at least two lobe arcuations, body of clasp engage with the annular groove of runner servomotor cylinder cap and with the water turbine deflection cone closing.When the utility model uses, existing structure member is processed, namely at annular groove of rotary wheel of water turbine servomotor cylinder cap outer rim processing, as the movable propeller turbine runner lifting with hang that snap ring snaps in and runner hangs force area; , in deflection cone lower flange face processing screw hole, be used for making it to be combined into one with deflection cone closing snap ring; Main shaft and runner by shaft link bolt factory building close complete after, with the main shaft suspender, trisome (inner top cover, main shaft and runner) is directly hung in the machine hole, cheat internal head cover after closing until inner top cover and machine, loosen the main shaft suspender, main shaft and runner drop on snap ring together, and this moment, snap ring carried the weight of main shaft and runner., by snap ring, realize the suspension of runner, and need not additionally at foundation ring, to offer compensation block, also need not to offer suppending hole on blade body, reduced a lot of operations, simultaneously simple in structure being easy to produced and installed, save manufacturing cost, also avoided the destruction to foundation ring and blade flow-passing surface simultaneously.
Two, body of clasp of the present utility model adopts versatile material, and curved plate can be realized the suspension of runner.Need not compensation block, blade body on foundation ring need not the processing tool hole and the pull bar instrument that hangs is provided; Perhaps need not to process spill annular groove or protruding endless belt on main shaft and the taper suspension holdfast is provided.Therefore saved the production cost and period of this type of instrument, greatly reduced production and material cost, shortened that power station is on-the-spot installs and unit maintenance cycle in the future.
Three, be provided with attaching parts between adjacent card ring body of the present utility model, can further guarantee the safety of using.Simultaneously, attaching parts be located at the body of clasp two ends in dig in chamber, after can guaranteeing that snap ring snaps in runner servomotor cylinder bezel ring, groove, up and down planar horizontal, balance and the precision of guarantee installing.
Four, water turbine installs, need not to dismantle snap ring after runner is in place, installation personnel need not to enter in the machine hole frock hole and the polishing shutoff weld seam that goes on repair welding shutoff blade again, also need not to augment compensation block and fills up the foundation ring runner, therefore can guarantee safety, the installation of the water turbine of having changed places.Snap ring can repeated usage, and for later inspection and maintenance brings convenience, simultaneously, snap ring of the present utility model can be made the snap ring that vary in size according to the water turbines of different sizes, has wide, the practical characteristics of range of use.
Five, two lobes of the present utility model hang snap rings, have after simple in structure, simple installation and installation to need not to dismantle and, as the characteristics of unit parts random walk, greatly improved installation and the maintenance work efficiency of unit.When the machine packet size is larger, hang the corresponding increase of snap ring size, in order to make snap ring processing and installation easier, visual particular case is divided into three lobes or pintongs with snap ring.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment one;
Fig. 2 is Fig. 1 mounting structure schematic diagram;
Fig. 3 is the structural representation of the utility model embodiment two;
Fig. 4 is the structural representation of the utility model embodiment three;
Mark in figure: 1, body of clasp, 2, screw, 3, in dig chamber, 4, attaching parts, 5, the water turbine deflection cone, 6, snap ring, 7, runner servomotor cylinder cap.
The specific embodiment
The utility model will be further described below in conjunction with the drawings and the specific embodiments.
Movable propeller turbine runner of the present utility model lifts and hangs snap ring, comprises the body of clasp of at least two lobe arcuations, and body of clasp engages with the annular groove of runner servomotor cylinder cap and with water turbine deflection cone handle, closes.
Embodiment one
The movable propeller turbine runner lifting of the present embodiment and suspension snap ring, be connected to annular successively by two lobe arc body of clasp head and the tail, and body of clasp is evenly equipped with for the screw closing body of clasp and water turbine deflection cone; Chamber is dug in all offering in the body of clasp two ends, in dig in chamber and be provided with the attaching parts that connects two lobe body of clasp, the attaching parts of the present embodiment is bolt.The principle of the present embodiment is, at annular groove of runner servomotor cylinder cap outer rim processing, as snap ring, to snap in runner and hang force area; , in deflection cone lower flange face processing screw hole, be used for making it to be combined into one with deflection cone closing snap ring.Naturally, the internal diameter of snap ring should be mutually adaptive with the annular groove of runner servomotor cylinder cap; Closing, in snap ring snapped in the annular groove of runner servomotor cylinder cap, screw should not blocked by runner servomotor cylinder cap for snap ring and deflection cone.The present embodiment has adopted snap ring to snap in the interior design plan of runner servomotor cylinder bezel ring, groove, at servomotor cylinder cap processing one annular groove, the processing of deflection cone lower flange face is closing the snap ring screw, snap ring is divided into two lobes, after two lobes snap in respectively in runner servomotor cylinder bezel ring, groove, two lobes are whole synthesizing, then use bolt tight deflection cone and snap ring.After deflection cone and inner top cover were connected and are contained on top cover, snap ring just can hang runner.After unit installed, snap ring need not dismounting, as the unit parts, participated in operation.Make and hang in this way runner, need not to go into operation on foundation ring and blade body fills hole, also need not processing spill annular groove or protruding endless belt on main shaft, thereby operation is very simple, convenient, saved a lot of operations, shortened that power station is on-the-spot installs and unit maintenance cycle in the future.
The body of clasp internal diameter R of the present embodiment is 1195mm, and external diameter R is 1530mm, and on body of clasp, uniform screw specification is M64, and the screw center of circle is 1400mm to the distance in the body of clasp center of circle.Body of clasp thickness is 70mm.Weight that the present embodiment bears is about 380 tons (runner, main shaft and lifting tool gross weights), and in order further to improve safety factor, the thickness that suitably increases body of clasp is also that those skilled in the art easily expect certainly.
Embodiment two
The movable propeller turbine runner of the present embodiment lifts and hangs snap ring, comprises the body of clasp of three lobe arcs, and body of clasp is evenly equipped with for the screw closing body of clasp and water turbine deflection cone.The occupation mode of the present embodiment is, at annular groove of runner servomotor cylinder cap outer rim processing, as snap ring, to snap in runner and hang force area; , in deflection cone lower flange face processing screw hole, be used for making it to be combined into one with deflection cone closing snap ring; When using, first three body of clasp are snapped in the annular groove of runner servomotor cylinder cap, the recycling screw is closing snap ring and water turbine deflection cone.Naturally, the internal diameter of snap ring should be mutually adaptive with the annular groove of runner servomotor cylinder cap; For snap ring and deflection cone handle and, in snap ring snapped in the annular groove of runner servomotor cylinder cap, screw should not blocked by runner servomotor cylinder cap.
Embodiment three
The movable propeller turbine runner lifting of the present embodiment and suspension snap ring, be connected to annular successively by pintongs arc body of clasp head and the tail, and body of clasp is evenly equipped with for the screw closing body of clasp and water turbine deflection cone; Chamber is dug in all offering in the body of clasp two ends, in dig in chamber and be provided with the attaching parts that connects two lobe body of clasp, the attaching parts of the present embodiment is bolt.The principle of the present embodiment is, at annular groove of runner servomotor cylinder cap outer rim processing, as snap ring, to snap in runner and hang force area; , in deflection cone lower flange face processing screw hole, be used for making it to be combined into one with deflection cone closing snap ring.Naturally, the internal diameter of snap ring should be mutually adaptive with the annular groove of runner servomotor cylinder cap; Closing, in snap ring snapped in the annular groove of runner servomotor cylinder cap, screw should not blocked by runner servomotor cylinder cap for snap ring and deflection cone.The present embodiment has adopted snap ring to snap in the interior design plan of runner servomotor cylinder bezel ring, groove, at servomotor cylinder cap processing one annular groove, the processing of deflection cone lower flange face is closing the snap ring screw, snap ring is divided into pintongs, after every lobe snaps in respectively in runner servomotor cylinder bezel ring, groove, pintongs is whole synthesizing, then use bolt tight deflection cone and snap ring.After deflection cone and inner top cover were connected and are contained on top cover, snap ring just can hang runner.After unit installed, snap ring need not dismounting, as the unit parts, participated in operation.Make and hang in this way runner, need not to go into operation on foundation ring and blade body fills hole, also need not processing spill annular groove or protruding endless belt on main shaft, thereby operation is very simple, convenient, saved a lot of operations, shortened that power station is on-the-spot installs and unit maintenance cycle in the future.
Claims (6)
1. movable propeller turbine runner lifts and hangs snap ring, it is characterized in that: comprise the body of clasp of at least two lobe arcuations, described body of clasp engages with the annular groove of runner servomotor cylinder cap and with water turbine deflection cone handle, closes.
2. movable propeller turbine runner lifting according to claim 1 and suspension snap ring, is characterized in that: the body of clasp that comprises two lobe arcuations.
3. movable propeller turbine runner lifting according to claim 1 and suspension snap ring, is characterized in that: the body of clasp that comprises three lobe arcuations.
4. movable propeller turbine runner lifting according to claim 1 and suspension snap ring, is characterized in that: comprise the pintongs body of clasp.
5. according to claim 1-4 arbitrary described movable propeller turbine runners lift and hang snap rings, and it is characterized in that: described body of clasp is evenly equipped with for the screw closing body of clasp and water turbine deflection cone.
6. according to claim 1-4 arbitrary described movable propeller turbine runners lift and hang snap rings, it is characterized in that: described body of clasp head and the tail are connected to ring-type successively, dig chamber in described body of clasp two ends all offer, dig in chamber the attaching parts that is provided with for connecting the adjacent card ring body in described.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202812546U CN203284052U (en) | 2013-05-22 | 2013-05-22 | Snap ring for hoisting and hanging runner for movable propeller turbine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202812546U CN203284052U (en) | 2013-05-22 | 2013-05-22 | Snap ring for hoisting and hanging runner for movable propeller turbine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203284052U true CN203284052U (en) | 2013-11-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013202812546U Expired - Lifetime CN203284052U (en) | 2013-05-22 | 2013-05-22 | Snap ring for hoisting and hanging runner for movable propeller turbine |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104176619A (en) * | 2013-05-22 | 2014-12-03 | 东方电气集团东方电机有限公司 | Axial-flow kaplan turbine rotating-wheel hoisting and suspension method |
| CN104310198A (en) * | 2014-09-25 | 2015-01-28 | 北京航星机器制造有限公司 | Large-mass initiating explosive device safe hoisting and transfer device and use method thereof |
| CN105499954A (en) * | 2016-02-18 | 2016-04-20 | 东方电气集团东方电机有限公司 | Hoisting method for umbrella hydrogenerator thrust bearings |
| CN106829717A (en) * | 2015-12-04 | 2017-06-13 | 东方电气集团东方电机有限公司 | A kind of horizontal level adjustable hoisting instrument |
| CN109484974A (en) * | 2018-11-20 | 2019-03-19 | 国电大渡河检修安装有限公司 | Movable propeller turbine installation method |
-
2013
- 2013-05-22 CN CN2013202812546U patent/CN203284052U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104176619A (en) * | 2013-05-22 | 2014-12-03 | 东方电气集团东方电机有限公司 | Axial-flow kaplan turbine rotating-wheel hoisting and suspension method |
| CN104310198A (en) * | 2014-09-25 | 2015-01-28 | 北京航星机器制造有限公司 | Large-mass initiating explosive device safe hoisting and transfer device and use method thereof |
| CN106829717A (en) * | 2015-12-04 | 2017-06-13 | 东方电气集团东方电机有限公司 | A kind of horizontal level adjustable hoisting instrument |
| CN105499954A (en) * | 2016-02-18 | 2016-04-20 | 东方电气集团东方电机有限公司 | Hoisting method for umbrella hydrogenerator thrust bearings |
| CN105499954B (en) * | 2016-02-18 | 2017-11-21 | 东方电气集团东方电机有限公司 | A kind of hanging method of umbrella-type generator thrust bearing |
| CN109484974A (en) * | 2018-11-20 | 2019-03-19 | 国电大渡河检修安装有限公司 | Movable propeller turbine installation method |
| CN109484974B (en) * | 2018-11-20 | 2020-01-10 | 国电大渡河检修安装有限公司 | Method for mounting axial-flow propeller turbine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131113 |
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| CX01 | Expiry of patent term |