CN204186522U - Servomotor locking device - Google Patents
Servomotor locking device Download PDFInfo
- Publication number
- CN204186522U CN204186522U CN201420668432.5U CN201420668432U CN204186522U CN 204186522 U CN204186522 U CN 204186522U CN 201420668432 U CN201420668432 U CN 201420668432U CN 204186522 U CN204186522 U CN 204186522U
- Authority
- CN
- China
- Prior art keywords
- lock
- lock ingot
- ingot
- flashboard
- locking device
- 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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Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
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- Actuator (AREA)
Abstract
The utility model relates to a kind of servomotor locking device, being mainly used in servomotor stops stator to be opened when shutting down complete shut-down and checking, comprise lock spindle blade, the lock ingot oil cylinder of lock ingot flashboard and the activity of driving lock ingot flashboard, described lock spindle blade is arranged on the below of lock ingot oil cylinder, lock spindle blade is multidiameter shaft, lock spindle blade is fixedly connected with the piston rod external part of master cylinder, described lock ingot flashboard is fixedly connected with lock ingot oil cylinder, lock ingot flashboard offers draw-in groove, lock ingot flashboard is connected to by draw-in groove on the shaft shoulder of lock spindle blade, when this locking device is in lock ingot state, lock ingot flashboard is stuck on the shaft shoulder of lock spindle blade under the driving of lock ingot oil cylinder, when locking device is in disengaged condition, lock ingot flashboard departs from the shaft shoulder, the servomotor locking device of the utility model design, by setting up lock ingot flashboard, increase contact action area, improve the ability met with stresses, effectively prevent the problem that locking device lost efficacy when shutting down complete shut-down and checking, substantially increase the Security of upstream unit maintenance, prevent the generation of peril.
Description
Technical field
The utility model relates to the field of components of stator turbine-generator units, especially a kind of servomotor locking device.
Background technique
Guide vane servomotor locking device when closing, servomotor lock piston is stayed in closed positions at compressor emergency shutdown, stator, is one of technical measures guaranteeing unit operation safety.Conventional servomotor locking device can with reference to shown in figure 4, lock spindle blade 10 is provided with locking nut 1, lock ingot pull bar 31 is movable downwards under the driving of lock ingot oil cylinder 30, lock ingot pull bar 31 outer surface contacts with locking nut 1 and compresses, thus servomotor piston is pinned, this locking device for the cylinder diameter of master cylinder parameter at 380mm, normal thrust can meet the demands on the servomotor of below 45T, if but the servomotor cylinder diameter in certain power station is 650mm, time normal thrust is 209T, this locking device just can not meet the demands, because the contact stress of lock ingot is original 5 times, reach 1000N/mm
2, be far longer than the allowable stress of material, when unit have an accident it is overhauled time, locking device is probably unable to bear large effect of stress and causes locking device to damage, and loses lock ingot function, causes loss of personal property, iff changing the high material of intensity, then greatly can increase cost of production.
Model utility content
Technical problem to be solved in the utility model is: can not bear larger stress and the deficiency that loses lock ingot function to overcome servomotor locking device of the prior art, providing a kind of reliable and stable servomotor locking device.
The utility model solves the technological scheme that its technical problem adopts: a kind of servomotor locking device, comprise lock spindle blade, lock ingot flashboard and drive the lock ingot oil cylinder locking the activity of ingot flashboard, described lock spindle blade is multidiameter shaft, lock spindle blade is fixedly connected with the piston rod external part of master cylinder, lock spindle blade is arranged on the below of lock ingot oil cylinder, described lock ingot flashboard offers draw-in groove, and lock ingot flashboard is connected to by draw-in groove on the shaft shoulder of lock spindle blade, and lock ingot flashboard is fixedly connected with lock ingot oil cylinder.
Further, described lock ingot oil cylinder comprises lock ingot pull bar, lock ingot piston, lock ingot cylinder body and is fixedly mounted on lock ingot cylinder cap and the lock ingot cylinder head of lock ingot cylinder ends respectively, described lock ingot piston coordinates with the motive sealing of lock ingot cylinder body, the axis of described lock ingot pull bar and the axes normal of lock spindle blade, lock ingot pull bar one end is fixed on lock ingot piston, and the other end is fixedly connected with lock ingot flashboard through lock ingot cylinder head.
Movable straight down in order to ensure lock ingot flashboard, also comprise guide plate, described guide plate is fixedly connected with lock ingot cylinder head, guide plate offers " U " type guiding groove, and the inwall of described guiding groove is slidably connected with lock ingot flashboard outer side surface.
The beneficial effects of the utility model are: servomotor locking device of the present utility model; by arranging the lock ingot flashboard with draw-in groove on lock ingot oil cylinder; when the shutdown complete shut-down of servomotor checks; can make to lock ingot flashboard to contact with the shaft shoulder of lock spindle blade; add the active area of contact; improve the ability that locking device bears large stress; ensure that the normal lock ingot function of locking device; avoid staff causes peril in maintenance servomotor process generation because locking device lost efficacy, working stability is reliable.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described in further detail.
Fig. 1 is servomotor locking device mounting structure schematic diagram;
Fig. 2 is the sectional view of A-A in Fig. 1;
Structural representation when Fig. 3 is locking device work in Fig. 2;
Fig. 4 is conventional servomotor locking device lock ingot position view.
In figure: 1, locking nut, 10, lock spindle blade, 20, lock ingot flashboard, 21, draw-in groove, 30, lock ingot oil cylinder, 31, lock ingot pull bar, 32, lock ingot piston, 33, lock ingot cylinder body, 34, lock ingot cylinder cap, 35, lock ingot cylinder head, 40, guide plate, 41, guiding groove.
Embodiment
By reference to the accompanying drawings the utility model is described in detail now.This figure is the schematic diagram simplified, and only basic structure of the present utility model is described in a schematic way, therefore it only shows the formation relevant with the utility model.
As shown in Fig. 1 ~ 2, the servomotor locking device of the utility model design, comprise lock spindle blade 10, lock ingot flashboard 20 and drive the lock ingot oil cylinder 30 locking the activity of ingot flashboard 20, described lock spindle blade 10 is multidiameter shaft, lock spindle blade 10 is fixedly connected with the piston rod external part of master cylinder, and lock spindle blade 10 is arranged on the below of lock ingot oil cylinder 30, and described lock ingot flashboard 20 offers draw-in groove 21, lock ingot flashboard 20 is connected on the shaft shoulder of lock spindle blade 10 by draw-in groove 21, and lock ingot flashboard 20 is fixedly connected with lock ingot oil cylinder 30.
As shown in Figure 2, described lock ingot oil cylinder 30 comprises lock ingot pull bar 31, lock ingot piston 32, lock ingot cylinder body 33 and is fixedly mounted on lock ingot cylinder cap 34 and the lock ingot cylinder head 35 of lock ingot cylinder body 33 end respectively, described lock ingot piston 32 coordinates with the motive sealing of lock ingot cylinder body 33, the axis of described lock ingot pull bar 31 and the axes normal of lock spindle blade 10, lock ingot pull bar 31 one end is fixed on lock ingot piston 32, and the other end is fixedly connected with lock ingot flashboard 20 through lock ingot cylinder head 35.
As shown in Figures 2 and 3, movable straight down in order to ensure lock ingot flashboard 20, also comprise guide plate 40, described guide plate 40 is fixedly connected with lock ingot cylinder head 35, guide plate 40 offers " U " type guiding groove 41, the inwall of described guiding groove 41 is slidably connected with lock ingot flashboard 20 outer side surface.
Below in conjunction with accompanying drawing 1 ~ 3, the working principle of the utility model servomotor locking device is described: when needs overhaul unit, the piston of guide vane servomotor turns left activity to closed positions, lock ingot flashboard 20 is movable downwards under the lock ingot pull bar 31 of lock ingot oil cylinder 30 drives, making to lock ingot flashboard 20 is stuck on the shaft shoulder of lock spindle blade 10, the activity thus the piston of stop servomotor is turned right, namely stops to opening direction activity; The servomotor locking device of the utility model design, contact with the shaft shoulder of lock spindle blade 10 by arranging lock ingot flashboard 20, add area of contact, improve the ability of the opposing contact stress of locking device, ensure that the normal lock ingot function of locking device, avoid staff causes peril in maintenance servomotor process generation because locking device lost efficacy, working stability is reliable.
With above-mentioned according to desirable embodiment of the present utility model for enlightenment, by above-mentioned description, relevant staff not departing from scope of the present utility model, can carry out various change and amendment completely.The technical scope of this model utility is not limited to the content on specification, must determine its technical scope according to right.
Claims (3)
1. a servomotor locking device, it is characterized in that: comprise lock spindle blade (10), lock ingot flashboard (20) and the lock ingot oil cylinder (30) driving lock ingot flashboard (20) movable, described lock spindle blade (10) is multidiameter shaft, lock spindle blade (10) is fixedly connected with the piston rod external part of master cylinder, lock spindle blade (10) is arranged on the below of lock ingot oil cylinder (30), described lock ingot flashboard (20) offers draw-in groove (21), lock ingot flashboard (20) is connected on the shaft shoulder of lock spindle blade (10) by draw-in groove (21), lock ingot flashboard (20) is fixedly connected with lock ingot oil cylinder (30).
2. servomotor locking device as claimed in claim 1, it is characterized in that: described lock ingot oil cylinder (30) comprises lock ingot pull bar (31), lock ingot piston (32), lock ingot cylinder body (33) and be fixedly mounted on lock ingot cylinder cap (34) and lock ingot cylinder head (35) of lock ingot cylinder body (33) end respectively, described lock ingot piston (32) coordinates with cylinder body (33) motive sealing of lock ingot, the axis of described lock ingot pull bar (31) and the axes normal of lock spindle blade (10), lock ingot pull bar (31) one end is fixed on lock ingot piston (32), the other end is fixedly connected with lock ingot flashboard (20) through lock ingot cylinder head (35).
3. servomotor locking device as claimed in claim 1, it is characterized in that: also comprise guide plate (40), described guide plate (40) is fixedly connected with lock ingot cylinder head (35), guide plate (40) offers " U " type guiding groove (41), the inwall of described guiding groove (41) is slidably connected with lock ingot flashboard (20) outer side surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420668432.5U CN204186522U (en) | 2014-11-10 | 2014-11-10 | Servomotor locking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420668432.5U CN204186522U (en) | 2014-11-10 | 2014-11-10 | Servomotor locking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204186522U true CN204186522U (en) | 2015-03-04 |
Family
ID=52618531
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420668432.5U Expired - Fee Related CN204186522U (en) | 2014-11-10 | 2014-11-10 | Servomotor locking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204186522U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104373277A (en) * | 2014-11-10 | 2015-02-25 | 常州液压成套设备厂有限公司 | Servomotor locking device |
-
2014
- 2014-11-10 CN CN201420668432.5U patent/CN204186522U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104373277A (en) * | 2014-11-10 | 2015-02-25 | 常州液压成套设备厂有限公司 | Servomotor locking device |
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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: 20150304 Termination date: 20181110 |