CN2535588Y - Wing-changeable fan dynamic hydraulic angle-adjusting device - Google Patents
Wing-changeable fan dynamic hydraulic angle-adjusting device Download PDFInfo
- Publication number
- CN2535588Y CN2535588Y CN 02208020 CN02208020U CN2535588Y CN 2535588 Y CN2535588 Y CN 2535588Y CN 02208020 CN02208020 CN 02208020 CN 02208020 U CN02208020 U CN 02208020U CN 2535588 Y CN2535588 Y CN 2535588Y
- Authority
- CN
- China
- Prior art keywords
- hydraulic
- valve
- oil
- blower fan
- place
- 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
Links
Landscapes
- Fluid-Pressure Circuits (AREA)
Abstract
The utility model relates to a dynamic hydraulic angle-adjusting device for a variable wing fan, which belongs to the technical field of the automatic control of the fan. The utility model mainly comprises a hydraulic head (29) and a pumping station (28) with hydraulic pressure, wherein the hydraulic head (29) is composed of a hydraulic rotary valve (15), an execution oil cylinder (17), a piston rod (20), a piston (18) arranged in the execution oil cylinder (17), a sealing ring (26) arranged in the hydraulic rotary valve (15), a hydraulic oil passage (24) with a hydraulic lock (23), etc.; the hydraulic pumping station (28) is composed of an oil box (19), an oil pump (2) with an oil pump motor (1), an electromagnetic valve (11), a one-way valve (5), a stop valve (6), etc., and the electromagnetic valve (11) is connected with the hydraulic rotary valve (15) through oil conveying pipes (12) and (13). The utility model has the advantage of reasonable design, and the integral structure of the hydraulic angle-adjusting device can be compact; when the utility model is used, driving force is large, a wing corner is rapid and stable to adjust and operate, the performance of the utility model under long-term running is stable and reliable, and the cost of the manufacture and the operation of the fan can be effectively reduced.
Description
Technical field
The utility model relates to a kind of variable sweep wing blower fan dynamic hydraulic reclining apparatus, belongs to blower fan automatic control technology field.
Background technique
It is bigger to be used for the adjusting oil cylinder volume regulated at dynamic wing angle in especially large-scale, the heavy axial-flow blower of existing blower fan, and complex structure is made difficulty, and whole cost is also higher, and the hydraulic fluid leak phenomenon takes place easily during work, has influenced the manufacturing and the application of blower fan.
Summary of the invention
The purpose of this utility model provides a kind of reasonable in design, compact structure, and reliable operation can dynamically be regulated the variable sweep wing blower fan dynamic hydraulic reclining apparatus at wing angle continuously in blower fan running.
The utility model is a variable sweep wing blower fan dynamic hydraulic reclining apparatus, mainly comprise the hydraulic rotating valve of being with hydraulic power unit and carry out oil cylinder, place the hydraulic rotating valve and carry out in-oil cylinder piston rod, place and carry out the piston of oil cylinder internal fixation on piston rod, place the seal ring in the hydraulic rotating valve, it is characterized in that the hydraulic rotating valve and carry out the hydraulic circuit that is provided with the band hydraulic lock between the oil cylinder, two filler openings of described hydraulic circuit place the both sides of hydraulic rotating valve inner seal ring respectively, and two oil outlets place the both sides of carrying out the oil cylinder inner carrier respectively.During work, execution oil cylinder of the present utility model is installed in the hub shell of blower fan, the front end of piston rod is fixed on the hub shell, by hydraulic power unit to hydraulic rotating valve fuel feeding, hydraulic oil enters the right chamber or the left chamber of carrying out oil cylinder by the hydraulic circuit of band hydraulic lock, under the effect of hydraulic oil, make and carry out oil cylinder or be moved to the left to the right, drive the crank rotation that links to each other with the wind wing, make the wing angle of the wind wing increase or reduce the direction adjusting.
Described hydraulic power unit can be by fuel tank, place the oil pump of band Oil pump electrical machinery on the fuel tank, places band on the oil pump to carry the solenoid valve of oil pipe, places formations such as one-way valve between oil pump and the solenoid valve and stop valve, and solenoid valve links to each other with the hydraulic rotating valve by carrying oil pipe.
Can be provided with on the described hydraulic rotating valve respectively and reduce hydraulic joint with the wing angle increase hydraulic joint and the wing angle of carrying oil pipe to link to each other.
Can be provided with the eduction valve that links to each other with fuel tank on the described oil pump.Can be provided with the pressure switch of band oil pressure gauge and stop valve on the described oil pump.Can be provided with throttle valve between described stop valve and the solenoid valve.Can be provided with filter between described oil pump and the fuel tank.
Described solenoid valve can be three-position four-way valve.
The utility model is being carried out the hydraulic circuit that the band hydraulic lock is set between oil cylinder and the hydraulic rotating valve, reasonable in design, make the overall structure of hydraulic pressure reclining apparatus more compact, driving force is big during use, running is regulated rapidly in wing angle, steadily, and after end is regulated at wing angle, need not oil pump and continue fuel feeding, rely on to increase hydraulic lock in the oil circuit wing angle lock on the position of setting, can effectively reduce blower fan manufacturing and operating cost, the utility model can supporting use on all kinds blower fan, be particularly useful for large-scale, heavy blower fan etc., can be when little air quantity energy saving consumption and reduce starting power to greatest extent, long-term operation performance is reliable and stable.
Description of drawings
Accompanying drawing is an overall structure schematic representation of the present utility model.
Embodiment
The utility model mainly comprises hydraulic power unit 28 and fluid head 29.Fluid head 29 is by hydraulic rotating valve 15 and carry out oil cylinder 17, place hydraulic rotating valve 15 and carry out piston rod 20 in the oil cylinder 17, place to carry out the piston 18 of oil cylinder 17 internal fixation on piston rod 20, place seal ring 26 hydraulic rotating valve 15 in, place hydraulic rotating valve 15 and carry out the hydraulic circuit 24 of being with hydraulic lock 23 between the oil cylinder 17 etc. and constitute.Between hydraulic power unit 28 and the hydraulic rotating valve 15 by carrying oil pipe 12 to link to each other with 13.Two filler openings 25,27 of hydraulic circuit 24 place the both sides of hydraulic rotating valve 15 inner seal rings 26 respectively, and two oil outlets 22,21 place the both sides of carrying out oil cylinder 17 inner carriers 18 respectively.Hydraulic rotating valve 15 is provided with respectively and reduces hydraulic joint 14 with the wing angle increase hydraulic joint 16 and the wing angle of carrying oil pipe 12,13 to link to each other.
Hydraulic power unit 28 is by fuel tank 19, place the oil pump 2 of being with Oil pump electrical machinery 1 and filter 3 on the fuel tank 19, place the solenoid valve 11 on the oil pump 2, place the formations such as pressure switch 8, stop valve 6, throttle valve 10 of the eduction valve 4 set up successively between oil pump 2 and the solenoid valve 11, one-way valve 5, band oil pressure gauge 9 and stop valve 7, solenoid valve 11 can be selected three-position four-way valve for use, links to each other with hydraulic rotating valve 15 with 13 by carrying oil pipe 12.
Hydraulic power unit 28 is to be used for producing the required hydraulic power of this device, Oil pump electrical machinery 1 drives oil pump 2 runnings, and the hydraulic oil in the fuel tank 19 is successively through filter 3, oil pump 2, one-way valve 5, stop valve 6, throttle valve 10, solenoid valve 11, conveying oil pipe 12 and 13 supply systems.Eduction valve 4 is used for regulating automatically the pressure size of hydraulic oil, and when the hydraulic fluid pressure of oil pump 2 outputs was higher than setting pressure, eduction valve 4 partial pressure of just releasing automatically guaranteed the constant of oil pump 2 delivery pressures.Oil pressure gauge 9 shows the pressure size, and output on/off signal makes pressure switch 8 automatic on/off when pressure is lower than the setting alarm pressure.When being used to change oil pressure gauge 9, stop valve 7 closes valve hydraulic oil.When being used to change between solenoid valve 11 and the oil pump 2 each element, stop valve 6 cuts off hydraulic oil.
When needs increase blower fan wing angle, the energising of solenoid valve 11 left ends is the left end path, Oil pump electrical machinery 1 also starts simultaneously, hydraulic oil by oil pump 2 outputs increases the left chamber that hydraulic joint 16 enters hydraulic rotating valve 15 through one-way valve 5, stop valve 6, throttle valve 10, solenoid valve 11, conveying oil pipe 12, wing angle, enter the right chamber of carrying out oil cylinder 17 through hydraulic circuit 24 again, promote to carry out oil cylinder 17 and move right, drive the crank rotation that links to each other with the wind wing, the wing angle augment direction of the wind wing is regulated.The oil return of carrying out in the oil cylinder 17 left chambeies is back to hydraulic rotating valve 15 through hydraulic circuit 24, reduces hydraulic joint 14 through wing angle, carries oil pipe 13, solenoid valve 11 etc. to get back in the fuel tank 19.During the outage of solenoid valve 11 left ends, Oil pump electrical machinery 1 is outage simultaneously also, and solenoid valve 11 is in the emptying state, and the hydraulic oil in the hydraulic rotating valve 15 is all through solenoid valve 11 emptying at this moment, and the hydraulic oil of carrying out in the oil cylinder 17 right chambeies is locked by hydraulic lock 23, and blower fan wing angle also is locked on the needed position.
When needs reduce blower fan wing angle, the energising of solenoid valve 11 right-hand members is the right-hand member path, Oil pump electrical machinery 1 also starts simultaneously, by the hydraulic oil of oil pump 2 output through one-way valve 5, stop valve 6, throttle valve 10, solenoid valve 11, conveying oil pipe 13, wing angle reduce the right ventricle that hydraulic joint 14 enters hydraulic rotating valve 15, enter the left chamber of carrying out oil cylinder 17 through hydraulic circuit 24 again, promote to carry out oil cylinder 17 and be moved to the left, blower fan wing angle is reduced.The one-way valve of carrying out the hydraulic lock 23 of hydraulic oil through being opened in oil cylinder 17 right chambeies is back to hydraulic rotating valve 15, increases hydraulic joint 16 through wing angle, carries oil pipe 12, solenoid valve 11 etc. to get back in the fuel tank 19.During the outage of solenoid valve 11 right-hand members, Oil pump electrical machinery 1 is outage simultaneously also, solenoid valve 11 is in the emptying state, hydraulic oil in the hydraulic rotating valve 15 is all through solenoid valve 11 emptying at this moment, hydraulic lock 23 is immediately by locked, the hydraulic oil of carrying out in the oil cylinder 17 left chambeies is locked by hydraulic lock 23, and blower fan wing angle also is locked on the needed position.
Claims (8)
1. variable sweep wing blower fan dynamic hydraulic reclining apparatus, comprise the hydraulic rotating valve (15) of band hydraulic power unit (28) and carry out oil cylinder (17), place hydraulic rotating valve (15) and carry out the interior piston rod (20) of oil cylinder (17), place and carry out the piston (18) of oil cylinder (17) internal fixation on piston rod (20), place the seal ring (26) in the hydraulic rotating valve (15), it is characterized in that hydraulic rotating valve (15) and carry out the hydraulic circuit (24) that is provided with band hydraulic lock (23) between the oil cylinder (17), two filler openings (25) of described hydraulic circuit (24), (27) place the both sides of hydraulic rotating valve (15) inner seal ring (24) respectively, two oil outlets (22), (21) place the both sides of carrying out oil cylinder (17) inner carrier (18) respectively.
2. by the described variable sweep wing blower fan of claim 1 dynamic hydraulic reclining apparatus, it is characterized in that described hydraulic power unit (28) can be by fuel tank (19), place fuel tank (19) to go up the oil pump (2) of band Oil pump electrical machinery (1), place oil pump (2) to go up the solenoid valve (11) that band is carried oil pipe (12), (13), place one-way valve (5) and stop valve (6) between oil pump (2) and the solenoid valve (11) to constitute, solenoid valve (11) links to each other with hydraulic rotating valve (15) by carrying oil pipe (12), (13).
3. by claim 1 or 2 described variable sweep wing blower fan dynamic hydraulic reclining apparatus, it is characterized in that to be provided with on the described hydraulic rotating valve (15) wing angle increase hydraulic joint (16) He Yijiao that links to each other with conveying oil pipe (12), (13) respectively and reduce hydraulic joint (14).
4. by the described variable sweep wing blower fan of claim 2 dynamic hydraulic reclining apparatus, it is characterized in that to be provided with on the described oil pump (2) eduction valve (4) that links to each other with fuel tank (19).
5. by claim 2 or 4 described variable sweep wing blower fan dynamic hydraulic reclining apparatus, it is characterized in that to be provided with on the described oil pump pressure switch (8) of band oil pressure gauge (9) and stop valve (7).
6. by the described variable sweep wing blower fan of claim 2 dynamic hydraulic reclining apparatus, it is characterized in that to be provided with throttle valve (10) between described stop valve (6) and the solenoid valve (11).
7. by claim 2 or 4 described variable sweep wing blower fan dynamic hydraulic reclining apparatus, it is characterized in that to be provided with filter (3) between described oil pump (2) and the fuel tank (19).
8. by claim 2 or 6 described variable sweep wing blower fan dynamic hydraulic reclining apparatus, it is characterized in that described solenoid valve (11) can be three-position four-way valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02208020 CN2535588Y (en) | 2002-03-18 | 2002-03-18 | Wing-changeable fan dynamic hydraulic angle-adjusting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02208020 CN2535588Y (en) | 2002-03-18 | 2002-03-18 | Wing-changeable fan dynamic hydraulic angle-adjusting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2535588Y true CN2535588Y (en) | 2003-02-12 |
Family
ID=33688838
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02208020 Expired - Fee Related CN2535588Y (en) | 2002-03-18 | 2002-03-18 | Wing-changeable fan dynamic hydraulic angle-adjusting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2535588Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104373382A (en) * | 2014-10-31 | 2015-02-25 | 沈阳东北电力调节技术有限公司 | Axial flow compressor stationary blade adjusting system |
| CN106678413A (en) * | 2017-01-07 | 2017-05-17 | 上海卡威机械技术有限公司 | Hyperslow multi-turn electrohydraulic executing mechanism |
-
2002
- 2002-03-18 CN CN 02208020 patent/CN2535588Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104373382A (en) * | 2014-10-31 | 2015-02-25 | 沈阳东北电力调节技术有限公司 | Axial flow compressor stationary blade adjusting system |
| CN106678413A (en) * | 2017-01-07 | 2017-05-17 | 上海卡威机械技术有限公司 | Hyperslow multi-turn electrohydraulic executing mechanism |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201003474Y (en) | Reciprocating-piston type double acting hydraulic compressor | |
| CN2262133Y (en) | test bed for hydraulic cylinder | |
| CN2535588Y (en) | Wing-changeable fan dynamic hydraulic angle-adjusting device | |
| CN209586823U (en) | A kind of shield excavation machine hydraulic propelling system | |
| CN113669241B (en) | Liquid piston compressor control system | |
| CN101495750A (en) | High pressure pump of variable displacement | |
| CN1225603C (en) | Hydraulic reinforcement electric cylinder | |
| CN2797671Y (en) | Hydraulic speed regulating device for water turbine | |
| CN113338877A (en) | Horizontal liquid pressurization high-pressure large-displacement injection device for oil field and working method | |
| CN201425008Y (en) | Constant-speed and constant-pressure metering pump | |
| CN202117876U (en) | Vertical reciprocating type vacuum pressurizing double-purpose pump | |
| CN111237021B (en) | Small-pressure-difference steam direct-driven high-supercharging-ratio working medium pump for organic Rankine cycle | |
| CN210153011U (en) | Double-oil pump system of large bending machine | |
| CN203488486U (en) | Electronic-hydraulic system of self-propelled turning machine | |
| US6244836B1 (en) | Well pump actuated by natural gas | |
| CN201330683Y (en) | Load-sensing variable dual pump for furnace-dismantling machine | |
| CN109779871A (en) | A kind of fluid power injection device and application thereof | |
| CN205260297U (en) | Hydraulic pressure booster pump | |
| CN2297572Y (en) | Submersible pump by electrohydraulic driven | |
| CN220566102U (en) | Pressure stabilizing system for hydraulic support of fully-mechanized mining face | |
| CN221033091U (en) | Concrete pumping mechanism and concrete conveying equipment | |
| CN212360157U (en) | Automatic rotating device for plunger | |
| CN217327585U (en) | Hydraulic gas compressor | |
| CN219081986U (en) | Energy-saving hydraulic station | |
| CN219865670U (en) | Hydraulic pump station of two-way confluence |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20030212 Termination date: 20110318 |