CN202570971U - Hydraulic force increaser of large motor stators - Google Patents
Hydraulic force increaser of large motor stators Download PDFInfo
- Publication number
- CN202570971U CN202570971U CN 201220194840 CN201220194840U CN202570971U CN 202570971 U CN202570971 U CN 202570971U CN 201220194840 CN201220194840 CN 201220194840 CN 201220194840 U CN201220194840 U CN 201220194840U CN 202570971 U CN202570971 U CN 202570971U
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- oil
- oil cylinder
- piston
- travel
- piston rod
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Abstract
The utility model relates to a hydraulic force increaser of large motor stators. The hydraulic force increaser comprises a high-pressure oil pump and an oil cylinder, wherein a first piston rod and a second piston rod are respectively arranged at two ends of the oil cylinder. The hydraulic force increaser is characterized in that the first piston rod and the second piston rod are respectively connected with a first linkage block and a second linkage block, the first linkage block is connected with one ends of a first moving support and a second moving support in rotating mode through a connection rod respectively, and the second linkage block is connected with the other ends of the first moving support and the second moving support in rotating mode through a connection rod respectively. An oil outlet and an oil return port are arranged on the high-pressure oil pump, the oil outlet is communicated with two oil inlets on the oil cylinder, one oil inlet is located between a piston of the first piston rod and a left end cover of the oil cylinder, and the other oil inlet is located between a piston of the second piston rod and a right end cover of the oil cylinder. The hydraulic force increaser of large motor stators is simple in structure, simple to operate, safe and reliable, and avoids motor stator falling off and scrapping caused by insufficient supporting torque.
Description
Technical field
The utility model relates to a kind of motor stator that is applicable to and advances the tension device that shell is used, especially a kind of large-size machine stator hydraulic pressure tension device.
Background technology
In the prior art, the conventional tension method that electrical machinery plant adopts when motor stator advances shell is: adopt screw.But since manual work to pull torsion limited, it is not enough to support moment, comes off easily when making the upset of large-size machine stator, causes and scraps.
Summary of the invention
The purpose of the utility model is to overcome the deficiency that exists in the prior art, and a kind of large-size machine stator hydraulic pressure tension device is provided, and is simple in structure, simple to operate, safe and reliable, avoided owing to supporting the phenomenon that the not enough motor stator that causes of moment comes off and scraps.
The technical scheme that provides according to the utility model; Said large-size machine stator hydraulic pressure tension device; Comprise high-pressure oil pump and oil cylinder; The two ends of oil cylinder are provided with the first piston bar and second piston rod respectively; Characteristic is: said first piston bar is connected with second linked block with first linked block respectively with second piston rod, and first linked block is rotationally connected with an end of first travel(l)ing rest and second travel(l)ing rest respectively through connecting rod, and second linked block is rotationally connected with the other end of first travel(l)ing rest and second travel(l)ing rest respectively through connecting rod; Set out hydraulic fluid port and oil return opening on the said high-pressure oil pump; Oil-out is communicated with two oil-ins on the oil cylinder; Oil-in is between the left end cap of the piston of first piston bar and oil cylinder, and another oil-in is between the right end cap of the piston of second piston rod and oil cylinder.
On said high-pressure oil pump, change-over switch is set.
Be connected with first guide post through first fairlead between said first travel(l)ing rest and the oil cylinder, be connected with second guide post through second fairlead between said second travel(l)ing rest and the oil cylinder.
Said high-pressure oil pump and oil cylinder are installed in and hang last.
The described large-size machine stator of the utility model hydraulic pressure tension device is simple in structure, simple to operate, safe and reliable, has avoided owing to supporting the phenomenon that the not enough motor stator that causes of moment comes off and scraps.
Description of drawings
Fig. 1 is the structural representation of the utility model.
The specific embodiment
Below in conjunction with concrete accompanying drawing the utility model is described further.
As shown in the figure: large-size machine stator hydraulic pressure tension device comprises first linked block 1, oil cylinder 2, change-over switch 3, first travel(l)ing rest 4, high-pressure oil pump 5, hang 6, oil-out 7, first piston bar 8, second piston rod 9, second linked block 10, connecting rod 11, second travel(l)ing rest 12, first fairlead 13, first guide post 14, second fairlead 15, second guide post 16, oil-in 17, oil return opening 18 etc.
The utility model comprises being installed in and hangs high-pressure oil pump on 65 and oil cylinder 2; The two ends of said oil cylinder 2 are provided with the first piston bar 8 and second piston rod 9 respectively; First piston bar 8 is connected with second linked block 10 with first linked block 1 respectively with second piston rod 9; First linked block 1 is rotationally connected with an end of first travel(l)ing rest 4 and second travel(l)ing rest 12 respectively through connecting rod 11, and second linked block 10 is rotationally connected with the other end of first travel(l)ing rest 4 and second travel(l)ing rest 12 respectively through connecting rod 11; The lateral surface of said first travel(l)ing rest 4 and second travel(l)ing rest 12 contacts with the inside diameter surface of stator;
Set out hydraulic fluid port 7 and oil return opening 18 on the said high-pressure oil pump 5; Oil-out 7 is communicated with two oil-ins 17 on the oil cylinder 2; Oil-in 17 is between the left end cap of the piston of first piston bar 8 and oil cylinder 2, and another oil-in 17 is between the right end cap of the piston of second piston rod 9 and oil cylinder 2; When high-pressure oil pump 5 is entered pressure oil in the oil-in 17 of oil cylinder 2 by oil-out 7; Pressure oil enters between two end caps of piston and oil cylinder of two piston rods; Pressure oil promotes two piston rods and drives two linked blocks toward middle propelling; Two travel(l)ing rests moved laterally and were pressed on the inside diameter surface of stator this moment, and kept impaction state;
On said high-pressure oil pump 5, change-over switch 3 is set;
Be connected with first guide post 14 through first fairlead 13 between said first travel(l)ing rest 4 and the oil cylinder 2, be connected with second guide post 16 through second fairlead 15 between said second travel(l)ing rest 12 and the oil cylinder 2.
The course of work of the utility model: the described tension device of the utility model is put in the endoporus of large-size stator; High pressure manual oil pump 5; Pressure oil advances by two oil-ins 17 to enter into oil cylinder 2; Shift the first piston bar 8 and second piston rod 9 onto toward middle propelling, at this moment first linked block 1 and second linked block 10 are pressed on first travel(l)ing rest 4 and second travel(l)ing rest 12 on the bore area of stator laterally, and keep compressing; When needs unclamped, by change-over switch 3 controls, the first piston bar 8 and second piston rod 9 stretched out to left and right respectively, and first travel(l)ing rest 4 and second travel(l)ing rest 12 restPose, and operation is accomplished.
Claims (4)
1. large-size machine stator hydraulic pressure tension device; Comprise high-pressure oil pump (5) and oil cylinder (2); The two ends of oil cylinder (2) are provided with first piston bar (8) and second piston rod (9) respectively; It is characterized in that: said first piston bar (8) is connected with second linked block (10) with first linked block (1) respectively with second piston rod (9); First linked block (1) is rotationally connected with an end of first travel(l)ing rest (4) and second travel(l)ing rest (12) respectively through connecting rod (11), and second linked block (10) is rotationally connected with the other end of first travel(l)ing rest (4) and second travel(l)ing rest (12) respectively through connecting rod (11); Set out hydraulic fluid port (7) and oil return opening (18) on the said high-pressure oil pump (5); Oil-out (7) is communicated with two oil-ins (17) on the oil cylinder (2); An oil-in (17) is positioned between the left end cap of piston and oil cylinder (2) of first piston bar (8), and another oil-in (17) is positioned between the right end cap of piston and oil cylinder (2) of second piston rod (9).
2. large-size machine stator hydraulic pressure tension device as claimed in claim 1 is characterized in that: change-over switch (3) is set on said high-pressure oil pump (5).
3. large-size machine stator hydraulic pressure tension device as claimed in claim 1; It is characterized in that: be connected with first guide post (14) through first fairlead (13) between said first travel(l)ing rest (4) and the oil cylinder (2), be connected with second guide post (16) through second fairlead (15) between said second travel(l)ing rest (12) and the oil cylinder (2).
4. large-size machine stator hydraulic pressure tension device as claimed in claim 1 is characterized in that: said high-pressure oil pump (5) and oil cylinder (2) are installed in and hang on (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220194840 CN202570971U (en) | 2012-05-03 | 2012-05-03 | Hydraulic force increaser of large motor stators |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220194840 CN202570971U (en) | 2012-05-03 | 2012-05-03 | Hydraulic force increaser of large motor stators |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202570971U true CN202570971U (en) | 2012-12-05 |
Family
ID=47240423
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220194840 Expired - Fee Related CN202570971U (en) | 2012-05-03 | 2012-05-03 | Hydraulic force increaser of large motor stators |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202570971U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102641946A (en) * | 2012-05-03 | 2012-08-22 | 无锡锡山安达防爆电气设备有限公司 | Large motor stator hydraulic tensioner |
-
2012
- 2012-05-03 CN CN 201220194840 patent/CN202570971U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102641946A (en) * | 2012-05-03 | 2012-08-22 | 无锡锡山安达防爆电气设备有限公司 | Large motor stator hydraulic tensioner |
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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: 20121205 Termination date: 20150503 |
|
| EXPY | Termination of patent right or utility model |