CN203082160U - Large-power gear speed regulation device - Google Patents
Large-power gear speed regulation device Download PDFInfo
- Publication number
- CN203082160U CN203082160U CN 201320088839 CN201320088839U CN203082160U CN 203082160 U CN203082160 U CN 203082160U CN 201320088839 CN201320088839 CN 201320088839 CN 201320088839 U CN201320088839 U CN 201320088839U CN 203082160 U CN203082160 U CN 203082160U
- Authority
- CN
- China
- Prior art keywords
- pump
- gear
- turbine
- sliding bearing
- speed increasing
- 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
Images
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
- General Details Of Gearings (AREA)
Abstract
The utility model provides a large-power gear speed regulation device. The device comprises a front speed increasing gear pair, a hydraulic clutch, a speed regulation device, a combined main pump system, an electric auxiliary pump, a hydraulic oil path system and a circuit control system, and is characterized in that the front speed increasing gear pair is a herringbone gear speed increasing transmission mechanism consisting of a speed increasing large gear mounted on an input shaft and a small gear mounted on a speed increasing small gear; the speed increasing large gear and the small gear on a speed increasing small gear shaft are engaged; the hydraulic clutch comprises a pump impeller, a turbine and a turbine sleeve; the pump impeller and the speed increasing small gear shaft are connected; the turbine is connected with an output shaft; the combined main pump system uses a vertical planet gear pump as a main lubrication pump; and a centrifugal pump is used as a working pump and is driven by a gear pair driven by an input shaft. The large-power gear speed regulation device has the advantages of compact entire structure, high efficiency and energy conversation, flexibility in operation, convenience in mounting and the like.
Description
Technical field
The utility model relates to a kind of mechanical electronic hydraulic compound gearing of being made up of high gear transmission, fluid coupling and control system thereof etc., be used for power plant's feed water pump, blower fan, coal pulverizer, equipment such as the compressor of the pump of petrochemical industry and compressor and chemical industry, centrifugal pump are particularly useful for overcritical and ultra supercritical thermal power generation unit.
Background technique
For heavy mechanical equipment, arrangements for speed regulation can make equipment operation in good working order, not only can alleviate the suffered startup of transmission system itself significantly impacts, prolong the working life of key components and parts, can also shorten simultaneously the attack time of motor start-up electric current greatly, reduce to the thermal shock of motor load and to the influence of electrical network, thus saving power and prolong motor and the operating life of work.In addition,, on the type selecting of motor, might select lower-powered motor for use, thereby can either economize on electricity and also can reduce unnecessary equipment investment by using arrangements for speed regulation.
At present, speed-regulating actuator to high-power, at a high speed, the high reliability direction develops.China is having a long way to go with external advanced level aspect high parameter, high-power, the high reliability arrangements for speed regulation.Domestic fluid coupling technology maturation mostly be low power greatly, and the enterprise of domestic grasp design production technology is very little, has influenced the raising of industry technology level and the reduction of cost of production.At present, the gear speed-regulating actuator that the overcritical and ultra supercritical unit of China is adopted is whole dependence on import almost, and equipment importation cost height, procurement cycle are long, maintenance service and part replacement difficulty.
High-power gear speeder will change the passive situation of domestic complete dependence on import at present, improve the manufacturing capacity and the technical merit of China's electric power, coal and other industries equipment, promote China's gear industry product structural adjustment, promote the development of technical progress of industry and scientific and technological industry.
Summary of the invention
The purpose of this utility model provides a kind of heavy mechanical equipment that is applicable at existing deficiency in the above-mentioned prior art just, is particularly useful for overcritical and high-power mechanical-electrical liquid compound gearing ultra supercritical thermal power generation unit---high-power gear speeder.
The purpose of this utility model can realize by following technical proposals:
High-power gear speeder of the present utility model, described device comprises preposition speed increasing gear train, fluid coupling, arrangements for speed regulation, compound main pump system, electronic service pump, hydraulic oil pipe system, circuit control system; Described preposition speed increasing gear train is to be installed in speedup gearwheel on the input shaft, to be installed in the herringbone gear speed booster driving mechanism that the small gear on the speedup pinion shaft constitutes by what be meshed; Described fluid coupling comprises pump impeller, turbine, turbine cover, and described pump impeller links to each other with the speedup pinion shaft, and described turbine links to each other with output shaft; Described compound main pump system adopts the vertical-type planetary gear pump lubricant pump of deciding, the centrifugal pump pump of working, and the gear pair that is driven by input shaft drives.
Preposition speed increasing gear train described in the utility model adopts high-reliability/high power density Gear Transmission Design technology, and gear teeth precision is repaiied the type technology; Described speedup gearwheel is installed on the input shaft in affixed mode, is supported on the casing by sliding bearing I and sliding bearing II; The speedup pinion shaft is supported on the casing by sliding bearing III and sliding bearing IV; Sliding bearing adopts the split split type, is convenient to install; The input shaft axle head adopts the mechanical seal form, and the input end cap is by being bolted on the casing; The described output shaft that links to each other with turbine is supported on the casing by sliding bearing V and sliding bearing VI, and sliding bearing adopts the split split type equally; Be fixed with the thrust-bearing I and the thrust-bearing II of bearing pump impeller and turbine axial force on speedup pinion shaft and the output shaft respectively.
Arrangements for speed regulation described in the utility model adopt electric actuator control telescoping catheter formula to import and export the compound mode of speed regulation of regulating simultaneously, described electric actuator and electric actuator cantilever, speed governing connecting rod, scoop tube are hinged, and scoop tube cover and oil cylinder are fixed on the oil extraction cavity; Adjustment seat, adjustment (adjusting) lever, connecting rod, spool are hinged; Roll in the type groove of roller on the adjustment seat on scoop tube; Valve pocket is contained in the valve body.Thereby the liquid filled ratio in the telescopic level change fluid coupling of change scoop tube reaches the purpose of output speed stepless time adjustment, sets up the mathematical model of scoop tube position-oil mass-output speed-output power, plays energy-conservation effect.
Electronic service pump is fixed on the lower box described in the utility model, adopts the little bottom clearance helical gear pump of large helix angle, guarantees that rubbing surfaces such as each bearing, gear obtain lubricating fully before start, improves working life.
Hydraulic oil pipe system described in the utility model comprises working oil path and lubricating oil path two-part, is respectively arranged with cooling unit; Lubricating oil path adopts duplex filter; Safety installations is set in the oil-way system, is provided with temperature transducer in each bearing and the oil circuit.
Described preposition speed increasing gear train is made up of one or more pairs of gear pairs; Be fixed with the thrust-bearing I and the thrust-bearing II of bearing pump impeller and turbine axial force on described speedup pinion shaft and the output shaft respectively.
The beneficial effects of the utility model are as follows:
Because the utility model has adopted the designing technique of high parameter, high reliability gear pair, by to the tackling key problem of liquid transmission and control system thereof and the Synthetical Optimization of system, realize the combination of mechanical transmission and liquid transmission, and then realization is to the accurate stepless control of work mechanism rotating speed and power, have high-power, high rotating speed, high reliability, compact structure, flexible operation, advantage such as energy-efficient.
Description of drawings
Fig. 1 is a plan view of the present utility model.
Fig. 2 is a fundamental diagram of the present utility model.
Fig. 3 is a compound main pump system partial view among Fig. 1.
Fig. 4 is a pump impeller turbine axis view among Fig. 1.
Fig. 5 is arrangements for speed regulation figure among Fig. 1.
Fig. 6 is oil-way system figure of the present utility model.
Sequence number among Fig. 1～Fig. 6: 1 input shaft, 2 input end caps, 3 input end seal ring I, 4 input end seal ring II, 5 sliding bearing I, 6 speedup gearwheels, 7 sliding bearing II, 8 differential pressure control valves, 9 terminal boxes, 10 small gear pairs, 11 bevel gear pairs, 12 duplex filters, 13 lower boxes, 14 electronic service pumps (auxiliary lubricating system), 15 output end caps, 16 output terminal seal ring I, 17 output terminal seal ring II, 18 output shafts (turbine shaft), 19 sliding bearing VI, 20 thrust-bearing II, 21 scoop tubes, 22 arrangements for speed regulation, 23 turbine covers, 24 sliding bearing V, 25 turbines, 26 pump impellers, 27 blade cover plates, 28 sliding bearing IV, 29 instrument calibrations, 30 speedup small gears, 31 sliding bearing III, 32 speedup pinion shafts (Pump wheel shaft), 33 thrust-bearing I, 34 Pump wheel shaft end caps, 35 temperature transducers, 36 planets lubricate main pump, 37 centrifugal pumps, 38 working oil path, 39 upper boxes, 40 oil-feed cavitys, 41 oil extraction cavitys, 42 lubricating oil paties, 43 fuel tanks, 44 input end return tubes, 45 electric actuator, 46 electric actuator cantilevers, 47 speed governing connecting rods, 48 oil cylinders, 49 adjustment seats, 50 adjustment (adjusting) levers, 51 rollers, 52 scoop tube covers, 53 connecting rods, 54 valve pockets, 55 spools, 56 valve bodies
Embodiment
The utility model is further described below in conjunction with embodiment's (accompanying drawing):
As shown in Figure 1, 2, the utility model mainly comprises preposition speed increasing gear train, fluid coupling, arrangements for speed regulation, compound main pump system, electronic service pump, hydraulic oil pipe system, circuit control system etc.; Described preposition speed increasing gear train transmits form for the herringbone gear, main driven by motor input shaft 1 rotation, speedup gearwheel 6 hot chargings guarantee it with input shaft 1 transmitting torque by the assembling magnitude of interference on input shaft 1, be meshed with speedup small gear 30 then and play the effect of speedup; Gear adopts high-reliability, high power density transmission designing technique, repaiies technology such as type as gear teeth precision; Speedup gearwheel 6 is supported on the casing by sliding bearing I 5 and sliding bearing II 7, and speedup pinion shaft 32 is supported on the casing by sliding bearing III 31 and sliding bearing IV 28; Sliding bearing adopts the split split type, is convenient to install; Input shaft 1 axle head adopts the mechanical seal form, input end cap 2 is by being bolted on the casing, most lubricant oil has been got back in the fuel tank 43 by the spill port of box house during work, the lubricant oil that fraction enters between input end seal ring II 4 and the input end seal ring I 3 can be got back to fuel tank 43 by the hole on the input end seal ring II 4, few part is thrown to the lubricant oil on the input end cap 2, can get back to fuel tank 43 by the external return tube 44 on the end cap 2, on input end cap 2 and the input end seal ring I 3 O type circle is installed.
Described fluid coupling is made up of pump impeller 26, turbine 25 and turbine cover 23, and pump impeller 26 and turbine overlap 23 and be connected by bolt, and blade cover plate 27 is equipped with at pump impeller 26 backs, leaves certain clearance between pump impeller 26 and the turbine 25; Coupler adopts peach shape die cavity, is evenly equipped with blade in the die cavity, and the blade of pump impeller 26 and turbine 25 differs 1; Pump impeller 26 and Pump wheel shaft (speedup pinion shaft) 32 are connected by bolt, and turbine 25 and turbine shaft (output shaft) 18 are connected by bolt; During hydraulic coupler rotor, working solution is known from experience pump impeller 26 and the bigger axial force of turbine 25 generations, and the direction of axial force changes with the difference of working condition, and this power is born by thrust-bearing I 33 on the Pump wheel shaft 32 and the thrust-bearing II 20 on the turbine shaft 18 respectively; Turbine shaft 18 is supported on the casing by sliding bearing V 24 and sliding bearing VI 19, sliding bearing V 24 and the sliding bearing VI 19 same split types that adopt.Turbine shaft (output shaft) 18 axle heads equally adopt the mechanical seal form with input end, output end cap 15 is by being bolted on the casing, most lubricant oil has been got back in the fuel tank 43 by the spill port of box house during work, the lubricant oil that fraction enters between output terminal seal ring I 16 and the output terminal seal ring II 17 can be got back to fuel tank 43 by the hole on the defeated place end seal ring I 16, few part is thrown to the lubricant oil on the output end cap 15, can get back to fuel tank 43 by the internal oil passages on the end cap 15, on output end cap 15 and the output terminal seal ring II 17 O type circle is installed.
Described arrangements for speed regulation 22 are compound regulating type structure, adopt electric actuator control telescoping catheter formula to import and export the mode of regulating simultaneously.Form by electric actuator 45, electric actuator cantilever 46, speed governing connecting rod 47, oil cylinder 48, scoop tube cover 52, scoop tube 21, adjustment seat 49, roller 51, adjustment (adjusting) lever 50, connecting rod 53, valve pocket 54, spool 55, valve body 56.Electric actuator 45 drives the aperture of electric actuator cantilever 46 and speed governing connecting rod 47 motion control scoop tubes 21, and when aperture became big, liquid filled ratio increased, and circular flow strengthens, and output speed increases; Scoop tube cover 51 and oil cylinder 48 are fixed on the oil extraction cavity 41.Electric actuator cantilever 46 back and forth rotates in certain scope, and scoop tube can move between 0-100%, has realized the outlet regulating of scoop tube.When scoop tube 21 apertures change, roller 51 on the moving adjustment seat 49 of the type troughed belt of offering in advance on the scoop tube 21 rotates, drive is hinged on adjustment (adjusting) lever 50 swings on the adjustment seat 49, the connecting rod 52 that is hinged on the other end moves thereupon, drive spool 54 and in the valve pocket 53 that has the special shape oil inlet hole, move,, also difference of the flow of different valve element position import, when circular flow need strengthen, filler opening strengthens, and the oil-feed flow increases thereupon, thereby has carried out inlet adjusting.Thereby the telescopic level that changes scoop tube changes the purpose that liquid filled ratio in the fluid coupling reaches the output speed stepless time adjustment, plays energy-conservation effect, and this regulative mode is highly sensitive, precision is high.The utility model type has been set up the mathematical model of scoop tube position-oil mass-output speed-output power, has realized the accurate control of output speed.
Described compound main pump system adopts vertical-type planetary gear pump 36 lubricant pump of deciding, centrifugal pump 37 pump of working, and the gear pair that is driven by input shaft 1 drives.More specifically say: drive helical teeth small gear pair 10 by input shaft 1, bevel gear pair 11 drives the vertical shaft rotation by bevel gear pair, and vertical shaft is provided with the sun gear and the centrifugal pump 37 of the lubricated main pump 36 of planet; The lubricated main pump 36 of planet is for lubricating oil path provides lubricant oil, and centrifugal pump 37 provides hydraulic oil for working oil path.
Electronic service pump (auxiliary lubricating system) 14 is a motor-drive pump, drives the work of the little bottom clearance helical gear of a pair of large helix angle by helper motor.Before gear speeder starts, start the auxiliary oil pump system earlier, the lubricant oil that pumps enters lubricated female pipe behind supercooler, duplex filter 12, lubricated in advance through the branch road on female pipe to each bearing, gear, and the air in the eliminating working oil path, when waiting lubricating oil path to reach the certain pressure value, main electric motor starting, the lubricated main pump 36 of planet is started working simultaneously, and lubricated main pump 36 and auxiliary oil pump system co-operation provide lubricant oil for lubricating oil path.After pressure in the oil circuit continues to rise to certain value,, provide lubricant oil for whole device by the lubricated main pump 36 of planet by differential pressure controller control stopping auxiliary oil pump system.
Hydraulic oil pipe system comprises working oil path 38 and lubricating oil path 42 two-part; Working hydraulic pressure oil enters oil-feed cavity 40 through flow control valve by oil inlet pipe, be distributed with blade on the blade cover plate 27 at pump impeller 26 back sides, be equivalent to an oil scavenge pump, working oil is entered in the active chamber by the circle of one on the pump impeller 26 hole, scoop tube in the turbine cover 23 is equivalent to an Injection Pump, working oil enters oil extraction cavity 41 by scoop tube, the oil that ejects from oil extraction cavity 41 enters oil exit pipe, the working oil path cooler, enter into in-line again, form a circulating oil path, in speed governing work, when increasing flow if desired, be the oil circuit repairing then, when needing to reduce oil mass, then unnecessary oil let out in the oil sump tank 43 by relief valve by centrifugal pump 37.Lubricating oil path pumps the oil that comes and enters lubricated female pipe through supercooler, duplex filter 12 earlier, and lubricated each bearing of female Guan Shangwei, gear are assigned lubricated arm; Safety installations is housed in the oil-way system, in each bearing and the oil circuit temperature transducer is housed.Working oil path import and export, lubricating oil path, cooling unit import and export all are equipped with load cell.
Claims (8)
1. high-power gear speeder, described device comprises preposition speed increasing gear train, fluid coupling, arrangements for speed regulation, compound main pump system, electronic service pump, hydraulic oil pipe system, circuit control system is characterized in that: described preposition speed increasing gear train is to be installed in speedup gearwheel (6) on the input shaft (1), to be installed in the herringbone gear speed booster driving mechanism that the small gear (30) on the speedup pinion shaft (32) constitutes by what be meshed; Described fluid coupling comprises pump impeller (26), turbine (25), turbine cover (23), and described pump impeller links to each other with speedup pinion shaft (32), and described turbine links to each other with output shaft (18); Described compound main pump system adopts vertical-type planetary gear pump (36) lubricant pump of deciding, centrifugal pump (37) pump of working, and the gear pair that is driven by input shaft 1 drives.
2. high-power gear speeder according to claim 1 is characterized in that: described speedup gearwheel (6) is installed on the input shaft (1) in affixed mode, is supported on the casing by sliding bearing I (5) and sliding bearing II (7); Speedup pinion shaft (32) is supported on the casing by sliding bearing III (31) and sliding bearing IV (28); Sliding bearing adopts the split split type, is convenient to install; Input shaft 1 axle head adopts the mechanical seal form, and input end cap (2) is by being bolted on the casing.
3. high-power gear speeder according to claim 1 is characterized in that: the described output shaft that links to each other with turbine (18) is supported on the casing by sliding bearing V (24) and sliding bearing VI (19), and sliding bearing adopts the split split type.
4. high-power gear speeder according to claim 1, it is characterized in that: described arrangements for speed regulation adopt electric actuator control telescoping catheter formula to import and export the compound mode of speed regulation of regulating simultaneously, described electric actuator (45) and electric actuator cantilever (46), speed governing connecting rod (47), scoop tube (21) are hinged, and scoop tube cover (51) and oil cylinder (48) are fixed on the oil extraction cavity (41); Adjustment seat (49), adjustment (adjusting) lever (50), connecting rod (53), spool (55) are hinged; Roll in the type groove of roller (51) on scoop tube (21) on the adjustment seat (49); Valve pocket (54) is contained in the valve body (56).
5. high-power gear speeder according to claim 1 is characterized in that: described electronic service pump (14) is fixed on the lower box, adopts the little bottom clearance helical gear pump of large helix angle.
6. high-power gear speeder according to claim 1 is characterized in that: described hydraulic oil pipe system comprises working oil path and lubricating oil path two-part, is respectively arranged with cooling unit; Lubricating oil path adopts duplex filter; Safety installations is set in the oil-way system, is provided with temperature transducer in each bearing and the oil circuit.
7. high-power gear speeder according to claim 1 is characterized in that: described preposition speed increasing gear train is made up of one or more pairs of gear pairs.
8. high-power gear speeder according to claim 1 is characterized in that: be fixed with the thrust-bearing I (33) and the thrust-bearing II (20) of bearing pump impeller and turbine axial force on described speedup pinion shaft (32) and the output shaft (18) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320088839 CN203082160U (en) | 2013-02-27 | 2013-02-27 | Large-power gear speed regulation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320088839 CN203082160U (en) | 2013-02-27 | 2013-02-27 | Large-power gear speed regulation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203082160U true CN203082160U (en) | 2013-07-24 |
Family
ID=48828001
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320088839 Expired - Fee Related CN203082160U (en) | 2013-02-27 | 2013-02-27 | Large-power gear speed regulation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203082160U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103115129A (en) * | 2013-02-27 | 2013-05-22 | 郑州机械研究所 | High-power gear speed regulating device |
| CN103671726A (en) * | 2014-01-06 | 2014-03-26 | 刘洪听 | Speed raising machine |
-
2013
- 2013-02-27 CN CN 201320088839 patent/CN203082160U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103115129A (en) * | 2013-02-27 | 2013-05-22 | 郑州机械研究所 | High-power gear speed regulating device |
| CN103115129B (en) * | 2013-02-27 | 2016-03-30 | 郑州机械研究所 | High-power gear speeder |
| CN103671726A (en) * | 2014-01-06 | 2014-03-26 | 刘洪听 | Speed raising machine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10273883B2 (en) | Engine accessory drives systems and methods | |
| US4309152A (en) | Hydraulic motor/pump with variable mechanical advantage | |
| CN101660596B (en) | Speed-regulating hydraulic coupler transmission device of large-power composite gear capable of speeding up front and rear gear | |
| JPS63502047A (en) | Integrated gear box and power generation equipment | |
| CN101793307B (en) | Straight-tooth gear planetary transmission device of nuclear power water circulation cooling pump | |
| US20170198605A1 (en) | Lubrication device for a turbine engine | |
| CN103115129B (en) | High-power gear speeder | |
| CN102374110B (en) | Flotage telescopic boom and high-pressure jet power generation method and device | |
| CN201568560U (en) | Straight toothed planetary transmission device for nuclear power water circulation cooling pumps | |
| CN203082160U (en) | Large-power gear speed regulation device | |
| CN104864080B (en) | Megawatt fan transmission lubrication system | |
| CN202531810U (en) | Low-temperature lubricating system for offshore high-power wind power gearbox | |
| US11761531B2 (en) | Filter system for a wind turbine, a wind turbine having a filter system and method for changing an oil filter of a filter system | |
| CN204344190U (en) | Motor and there is the vehicle of this motor | |
| CN202483866U (en) | Multi-connection gear pump for combustion gas turbine | |
| US10273826B2 (en) | Lubrication device for a turbine engine | |
| CN103388676A (en) | Efficient coupling variable-frequency speed regulating system and speed regulating method | |
| CN212657001U (en) | Engine fan driving structure | |
| CN204573049U (en) | Megawatt fan transmission lubrication system | |
| CN116379137A (en) | Marine turbine circulating water pump lubricating oil system | |
| CN112065667B (en) | Transmission structure for wind driven generator | |
| CN202686758U (en) | Helicopter power system and helicopter using same | |
| CN211853488U (en) | Oil supply device for jacking shaft | |
| CN114151206B (en) | Fan driving structure and assembling method thereof | |
| CN220505728U (en) | Self-adjusting speed reducer free of oiling |
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: 20130724 Termination date: 20160227 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |