CN202360589U - Hydraulic jacking device for large axial flow compressor rotor - Google Patents
Hydraulic jacking device for large axial flow compressor rotor Download PDFInfo
- Publication number
- CN202360589U CN202360589U CN2011205068182U CN201120506818U CN202360589U CN 202360589 U CN202360589 U CN 202360589U CN 2011205068182 U CN2011205068182 U CN 2011205068182U CN 201120506818 U CN201120506818 U CN 201120506818U CN 202360589 U CN202360589 U CN 202360589U
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- pressure oil
- oil
- oil pipe
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- axial flow
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Abstract
The utility model provides a hydraulic jacking device for a large axial flow compressor rotor. The device comprises an electromotor, an oil pump, an overflow valve and high pressure oil pipes, wherein a power output shaft of the electromotor is connected with a power input shaft of the oil pump through a coupling; an oil inlet of the oil pump is connected with an oil outlet of an oil station through pipes; an oil outlet of the oil pump is connected with the high pressure oil pipe through pipes; the high pressure oil pipes are divided into two groups; the oil outlet ports of the first group of the high pressure oil pipes are connected with oil inlet holes of a first bearing which supports one end of the axial flow compressor rotor; the oil outlet ports of the second group of the high pressure oil pipes are connected with oil inlet holes of a second bearing which supports the other end of the axial flow compressor rotor; the oil return ports of the first group of the high pressure oil pipes and the second group of the high pressure oil pipes are both connected with the oil inlet of the overflow valve; and the oil return opening of the overflow valve is connected with the oil inlet of the oil station.
Description
Technical field
The utility model belongs to hydraulic jacking device, particularly a kind of hydraulic jacking device that is used for large-scale axial flow compressor rotor.
Background technique
Axial Flow Compressor is a kind of machinery that pressurized gas is provided; Be the important motivity equipment that is used for industry air feeds such as oil, chemical industry, metallurgy, environmental protection, pharmacy, system ammonia, gas compression; Mainly form by several big parts such as main frame, gearbox, motors; Wherein main frame is the of paramount importance part of Axial Flow Compressor, and rotor then is " heart " of main frame.In running, the problem that the large-scale axial flow type compressor exists is: the unit starting difficulty is bigger, thereby big to the infringement of bearing, to the impact increase of high-voltage fence, causes the unit maintenance frequent, and work efficiency is poor, and reduce working life.
Summary of the invention
The purpose of the utility model is to provide a kind of hydraulic jacking device that is used for large-scale axial flow compressor rotor, to solve the difficult problem of large-scale axial flow compressor unit starting.
The said hydraulic jacking device that is used for large-scale axial flow compressor rotor of the utility model; Comprise motor, oil pump, relief valve and high-pressure oil pipe; The pto of said motor is connected through coupling with the power input shaft of oil pump; The filler opening of said oil pump is connected through the oil outlet of pipe fitting with the oil station, and the oil outlet of said oil pump is connected with high-pressure oil pipe through pipe fitting, and high-pressure oil pipe is two groups; The oil outlet end of first group of high-pressure oil pipe is connected with the oil inlet hole of the clutch shaft bearing of supporting axial flow compressor drum one end; The oil outlet end of second group of high-pressure oil pipe is connected with the oil inlet hole of second bearing of the supporting axial flow compressor drum the other end, and the oil revolving end of first group of high-pressure oil pipe and second group of high-pressure oil pipe all is connected with the filler opening of relief valve, and the return opening of relief valve is connected through the filler opening of pipe fitting with the oil station.Said oil pump is plunger pump or gear pump.
Scurry pipe mutually in order to prevent the oil phase in each high-pressure oil pipe; The said hydraulic jacking device that is used for large-scale axial flow compressor rotor of the utility model also comprises one-way valve; The quantity of said one-way valve is the summation of first group of high-pressure oil pipe and second group of contained high-pressure oil pipe quantity of high-pressure oil pipe, and each one-way valve is separately positioned on the oil return portion section of each bar high-pressure oil pipe.
But because both single channel oil-feeds of bearing of supporting axial flow compressor drum; But two-way oil-feed again; Adapt therewith; The said hydraulic jacking device that is used for large-scale axial flow compressor rotor of the utility model, its first group of high-pressure oil pipe and second group of high-pressure oil pipe are formed by a high-pressure oil pipe or two high-pressure oil pipes.
In order to understand the said hydraulic system pressure that is used for the hydraulic jacking device of large-scale axial flow compressor rotor of the utility model in real time; Be provided with the pressure gauge that is used for detection system pressure, said pressure gauge is installed on first group of high-pressure oil pipe and second group of high-pressure oil pipe and the pipeline that relief valve is connected.
The said hydraulic jacking device that is used for large-scale axial flow compressor rotor of the utility model; Its relief valve and one-way valve are fixed on the valve platform; The jointing of the jointing of its high-pressure oil pipe and oil pump, high-pressure oil pipe and relief valve is fixed on the valve platform, so that centralized management and maintenance.
The said working principle that is used for the hydraulic jacking device of large-scale axial flow compressor rotor of the utility model: when axial flow compressor starts before with the coasting operation of shutdown low speed; High pressure oil is transported in the oilhole of the bearing that supports the axial flow compressor drum through the driven by motor oil pump; Oil pressure is set up in deadweight by the axial flow compressor rotor; When oil pump builds the pressure the pressure that forms above the deadweight of axial flow compressor rotor; Then can axial flow compressor rotor jack-up be formed the high pressure oil film between bearing and axial flow compressor rotor, the formation of oil film will reduce the frictional force of axial flow compressor rotor and bearing greatly; Reduce the static resistance square of unit starting, thereby solved the difficult problem of large-scale axial flow compressor unit starting.Through relief valve system pressure is regulated and control, made the said hydraulic jacking device of the utility model be operated in safe condition.
The utlity model has following beneficial effect:
1, said hydraulic jacking device of the utility model and large-scale axial flow compressor are used, and efficiently solve the big problem of large-scale axial flow compressor unit starting difficulty, and the operating cost of unit reduces, and improve working life.
2, the said hydraulic jacking device of the utility model is simple in structure, easy to operate, safe and reliable.
Description of drawings
Fig. 1 is the said first kind of structural representation that is used for the hydraulic jacking device of large-scale axial flow compressor rotor of the utility model, the bearing single channel oil-feed of supporting axial flow compressor drum;
Fig. 2 is the said second kind of structural representation that is used for the hydraulic jacking device of large-scale axial flow compressor rotor of the utility model, the bearing two-way oil-feed of supporting axial flow compressor drum;
Fig. 3 is the partial enlarged drawing of Fig. 2.
Among the figure, 1-motor, 2-oil pump, 3-valve platform, 4-high-pressure oil pipe; The 5-relief valve, 6-one-way valve, 7-pressure gauge, 8-oil station; The 9-clutch shaft bearing, 10-second bearing, 11-axial flow compressor rotor; Oilhole in the 12-clutch shaft bearing, the oilhole in 13-second bearing, the oil pressure of P1, P2, P3, each high-pressure oil pipe of P4-.
Embodiment
Below through embodiment and combine accompanying drawing that the said hydraulic jacking device that is used for large-scale axial flow compressor rotor of the utility model is described further.
In the present embodiment, the hydraulic jacking device that is used for large-scale axial flow compressor rotor is as shown in Figure 1, comprises motor 1, oil pump 2, relief valve 5, high-pressure oil pipe 4, one-way valve 6, pressure gauge 7 and valve platform 3.Said oil pump 2 is a three-cylinder plunger pump; Said high-pressure oil pipe 4 is two groups, and first group of high-pressure oil pipe and second group of high-pressure oil pipe are formed by a high-pressure oil pipe; Said one-way valve 6 is two; Relief valve 5 is fixed on the valve platform 3 with one-way valve 6, and high-pressure oil pipe 4 is fixed on the valve platform 3 with the jointing of relief valve with jointing, the high-pressure oil pipe 4 of oil pump.The annexation of each member: the pto of motor 1 is connected through coupling with the power input shaft of oil pump 2; The filler opening of oil pump 2 is connected through the oil outlet of pipe fitting with oil station 8; The oil outlet of oil pump 2 is connected with each high-pressure oil pipe 4 respectively through pipe fitting; The oil outlet end of first group of high-pressure oil pipe is connected with the oil inlet hole 12 of the clutch shaft bearing 9 of supporting axial flow compressor drum 11 1 ends; The oil outlet end of second group of high-pressure oil pipe is connected with the oil inlet hole 13 of second bearing 10 of supporting axial flow compressor drum 11 the other ends; The oil revolving end of first group of high-pressure oil pipe and second group of high-pressure oil pipe all is connected with the filler opening of relief valve 5; The return opening of relief valve 5 is connected through the filler opening of pipe fitting with oil station 8, and two one-way valves 6 are separately positioned on the oil return portion section of two high-pressure oil pipes of first group of high-pressure oil pipe of composition and second group of high-pressure oil pipe, and pressure gauge 7 is arranged on first group of high-pressure oil pipe and second group of high-pressure oil pipe and the pipeline that relief valve 5 is connected.
Hydraulic jacking device in the present embodiment is applicable to the bearing single channel oil-feed of supporting axial flow compressor drum.
In the present embodiment, be used for hydraulic jacking device such as Fig. 2, shown in Figure 3 of large-scale axial flow compressor rotor, comprise motor 1, oil pump 2, relief valve 5, high-pressure oil pipe 4, one-way valve 6, pressure gauge 7 and valve platform 3.Said oil pump 2 is a Five-cylinder piston pump; Said high-pressure oil pipe 4 is two groups, and first group of high-pressure oil pipe and second group of high-pressure oil pipe are formed by two high-pressure oil pipes; Said one-way valve 6 is four; Relief valve 5 is fixed on the valve platform 3 with one-way valve 6, and high-pressure oil pipe 4 is fixed on the valve platform 3 with the jointing of relief valve with jointing, the high-pressure oil pipe 4 of oil pump.The annexation of each member: the pto of motor 1 is connected through coupling with the power input shaft of oil pump 2; The filler opening of oil pump 2 is connected through the oil outlet of pipe fitting with oil station 8; The oil outlet of oil pump 2 is connected with each high-pressure oil pipe 4 respectively through pipe fitting; The oil outlet end of first group of high-pressure oil pipe is connected with the oil inlet hole 12 of the clutch shaft bearing 9 of supporting axial flow compressor drum 11 1 ends; The oil outlet end of second group of high-pressure oil pipe is connected with the oil inlet hole 13 of second bearing 10 of supporting axial flow compressor drum 11 the other ends; The oil revolving end of first group of high-pressure oil pipe and second group of high-pressure oil pipe all is connected with the filler opening of relief valve 5; The return opening of relief valve 5 is connected through the filler opening of pipe fitting with oil station 8, and four one-way valves 6 are separately positioned on the oil return portion section of four high-pressure oil pipes of first group of high-pressure oil pipe of composition and second group of high-pressure oil pipe, and pressure gauge 7 is arranged on first group of high-pressure oil pipe and second group of high-pressure oil pipe and the pipeline that relief valve 5 is connected.
Hydraulic jacking device in the present embodiment is applicable to the bearing two-way oil-feed of supporting axial flow compressor drum.
Claims (6)
1. hydraulic jacking device that is used for large-scale axial flow compressor rotor; It is characterized in that comprising motor (1), oil pump (2), relief valve (5) and high-pressure oil pipe (4); The pto of said motor (1) is connected through coupling with the power input shaft of oil pump (2); The filler opening of said oil pump (2) is connected through the oil outlet of pipe fitting with oil station (8); The oil outlet of said oil pump (2) is connected with high-pressure oil pipe (4) through pipe fitting; High-pressure oil pipe (4) is two groups, and the oil outlet end of first group of high-pressure oil pipe is connected with the oil inlet hole (12) of the clutch shaft bearing (9) of supporting axial flow compressor drum (11) one ends, and the oil outlet end of second group of high-pressure oil pipe is connected with the oil inlet hole (13) of second bearing (10) of supporting axial flow compressor drum (11) the other end; The oil revolving end of first group of high-pressure oil pipe and second group of high-pressure oil pipe all is connected with the filler opening of relief valve (5), and the return opening of relief valve (5) is connected through the filler opening of pipe fitting with oil station (8).
2. the hydraulic jacking device that is used for large-scale axial flow compressor rotor according to claim 1; It is characterized in that also comprising one-way valve (6); The quantity of one-way valve (6) is the summation of first group of high-pressure oil pipe and second group of contained high-pressure oil pipe quantity of high-pressure oil pipe, and each one-way valve is separately positioned on the oil return portion section of each bar high-pressure oil pipe.
3. the hydraulic jacking device that is used for large-scale axial flow compressor rotor according to claim 1 and 2 is characterized in that first group of high-pressure oil pipe and second group of high-pressure oil pipe are by a high-pressure oil pipe or two high-pressure oil pipes compositions.
4. the hydraulic jacking device that is used for large-scale axial flow compressor rotor according to claim 1 and 2; It is characterized in that also being provided with the pressure gauge (7) that is used for detection system pressure, said pressure gauge is arranged on first group of high-pressure oil pipe and second group of high-pressure oil pipe and the pipeline that relief valve (5) is connected.
5. the hydraulic jacking device that is used for large-scale axial flow compressor rotor according to claim 3; It is characterized in that also being provided with the pressure gauge (7) that is used for detection system pressure, said pressure gauge is arranged on first group of high-pressure oil pipe and second group of high-pressure oil pipe and the pipeline that relief valve (5) is connected.
6. the hydraulic jacking device that is used for large-scale axial flow compressor rotor according to claim 2; It is characterized in that relief valve (5) and one-way valve (6) are fixed on the valve platform (3), high-pressure oil pipe (4) is fixed on the valve platform (3) with the jointing of relief valve with jointing, the high-pressure oil pipe (4) of oil pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205068182U CN202360589U (en) | 2011-12-08 | 2011-12-08 | Hydraulic jacking device for large axial flow compressor rotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205068182U CN202360589U (en) | 2011-12-08 | 2011-12-08 | Hydraulic jacking device for large axial flow compressor rotor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202360589U true CN202360589U (en) | 2012-08-01 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205068182U Expired - Lifetime CN202360589U (en) | 2011-12-08 | 2011-12-08 | Hydraulic jacking device for large axial flow compressor rotor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202360589U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105604997A (en) * | 2014-11-21 | 2016-05-25 | 北京中如技术有限公司 | High pressure jacking hydraulic system for high-speed dynamic balancing machine hydraulic system |
-
2011
- 2011-12-08 CN CN2011205068182U patent/CN202360589U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105604997A (en) * | 2014-11-21 | 2016-05-25 | 北京中如技术有限公司 | High pressure jacking hydraulic system for high-speed dynamic balancing machine hydraulic system |
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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: 20120801 |
|
| CX01 | Expiry of patent term |