CN109915214A - Steam-water helical screw power machine with axial thrust balancing devices - Google Patents
Steam-water helical screw power machine with axial thrust balancing devices Download PDFInfo
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- CN109915214A CN109915214A CN201910254430.9A CN201910254430A CN109915214A CN 109915214 A CN109915214 A CN 109915214A CN 201910254430 A CN201910254430 A CN 201910254430A CN 109915214 A CN109915214 A CN 109915214A
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- driving shaft
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- plunger
- low pressure
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Abstract
Steam-water helical screw power machine of the present invention with axial thrust balancing devices, axial thrust balancing devices (9) are equipped in low pressure end seat end cap (20), by the pressure-bearing set (6) being sealedly and fixedly connected on driving shaft (4) shaft end, the plunger (7) being fixedly connected on low pressure end seat end cap (20), fuel feed hole (71) are equipped on plunger (7), the fuel feed hole (71) is connect by petroleum pipeline (72) with the oil pump being arranged in outside casing, left part (61) inner ring surface of pressure-bearing set (6) and right part (73) periphery of plunger (7) are slidably matched, it is constituted using hydraulic cavities (70) are formed between pressure-bearing set (6) and plunger (7).Pressure in hydraulic cavities (70) generates axial thrust to pressure-bearing set (6) and driving shaft (4) axial end, axial thrust effect is carried out to driving shaft (4) jointly, the axial force that active helical rotor (41) generates driving shaft (4) when overcoming work is balanced the axial force of driving shaft (4).
Description
Technical field
The present invention relates to be machinery that change of medium is power with saturated vapor, superheated steam, vehicle repair major heat source
The axial thrust balancing devices of device, i.e. steam-water helical screw power machine, especially steam-water helical screw power machine.
Background technique
Steam-water helical screw power machine, including casing, low pressure end seat, low pressure end seat end cap, high pressure end seat, high pressure end seat end
Lid, driving shaft, the active helical rotor being mounted in casing on driving shaft are mounted on the driving shaft in low pressure end seat on driving shaft
End bearing before gear, driving shaft front end robot sealing device, driving shaft is mounted on driving shaft rear robot in high pressure end seat and seals
Device, driving shaft rear end bearing, driven shaft, the driven helical rotor being mounted in casing on driven shaft are mounted on low pressure end seat
End bearing before driven shaft gear, driven shaft front end robot sealing device, driven shaft on interior driven shaft is mounted in high pressure end seat
Driven shaft rear robot sealing device, driven shaft rear end bearing, low pressure end seat and high pressure end seat respectively with the left and right end pair of casing
It connects, the driving shaft gear on driving shaft engages Synchronous Transmission with the driven shaft gear on driven shaft, opens difference at casing or so end
Open up Vapor outlet and air intake.
Above-mentioned steam-water helical screw power machine high steam is entered in chassis cavity by the steam inlet opened up on casing
It is discharged from venthole, Steam Actuation helical rotor rotation, by driving shaft output power.
Driving shaft of the above-mentioned prior art steam-water helical screw power machine as power output, revolving speed are high compared with driven shaft by 1.5
Times, 90% active force of high steam power is born, the axial force that active bearings are received is very big, so bearing arrangement is vapour-liquid
The critical component and vulnerable part of full-flow screw power machine, seriously affect time between overhauls(TBO), service life.
Summary of the invention
The purpose of the present invention is big for driving shaft axial force existing for above-mentioned prior art steam-water helical screw power machine,
Bearing arrangement rapid wear problem provides a kind of steam-water helical screw power machine axial thrust balancing devices, axial to overcome bearing to bear
Power is big, bearing rapid wear problem, and is simple to manufacture, easy to install and use, safe and reliable good.
The technical scheme is that flat equipped with axial force in the low pressure end seat end cap 20 of steam-water helical screw power machine
Weigh device 9, and axial thrust balancing devices 9 are fixedly connected on low pressure by the pressure-bearing set 6 being sealedly and fixedly connected on 4 shaft end of driving shaft
Plunger 7 on end seat end cap 20 is equipped with fuel feed hole 71 on plunger 7, and the fuel feed hole 71 is by petroleum pipeline 72 and is arranged in casing
Outer oil pump connection, 61 inner ring surface of left part and 73 periphery of right part of plunger 7 of pressure-bearing set 6 are slidably matched, and use pressure-bearing
Hydraulic cavities 70 are formed between set 6 and plunger 7 to constitute.
The oil pump being arranged in outside casing passes through the fuel feed hole 71 opened up on petroleum pipeline 72 and plunger into the hydraulic cavities 70
Injection pressure is oily (gear lubricant), and the pressure in hydraulic cavities 70 generates axial thrust to pressure-bearing set 6 and 4 end face of driving shaft, holds
Pressing sleeve 6 carries out axial thrust effect to driving shaft 4, overcomes the axial force of driving shaft 4, i.e., carries out to the axial force of driving shaft 4 flat
Weighing apparatus.
The configuration of the present invention is simple manufactures, is easy to install and use, safe and reliable good.The effective axial force to driving shaft
It is balanced, overcomes bearing receiving axial force big, bearing rapid wear problem.
Detailed description of the invention
Fig. 1,2 are steam-water helical screw power machine structural schematic diagrams.
Fig. 3 is steam-water helical screw power machine axial thrust balancing devices example structure schematic diagram of the present invention.
Specific embodiment
Steam-water helical screw power machine of the present invention with axial thrust balancing devices, including casing 1, low pressure end seat 2, low-pressure end
Seat end cap 20, high pressure end seat 3, high pressure end seat end cap 30, driving shaft 4, driven shaft 5 are mounted on the master in casing 1 on driving shaft 4
Dynamic helical rotor 41, the driven helical rotor 51 being mounted in casing 1 on driven shaft 5 are mounted in low pressure end seat 2 before driving shaft
End bearing 43 before end mechanically-sealing apparatus 42, driving shaft, is mounted on the driving gear in low pressure end seat end cap 20 on active shaft end
40, it is mounted on driving shaft rear robot sealing device 44, driving shaft rear end bearing 45 in high pressure end seat 3, is mounted on low pressure end seat 2
End bearing 53 before interior driven shaft front end robot sealing device 52, driven shaft is mounted in low pressure end seat end cap 20 on driven shaft end
Driven gear 50, be mounted on driven shaft rear robot sealing device 54, driven shaft rear end bearing 55 in high pressure end seat 3；Low pressure
End seat 2 and high pressure end seat 3 are docked with the left and right end of casing 1 respectively to be fixedly connected, driving gear 40 and driven shaft on driving shaft
On the engaged transmission of driven gear 50, left and right ends offer steam inlet and venthole, feature respectively on casing 1
It is:
Axial thrust balancing devices 9 are equipped in low pressure end seat end cap 20, axial thrust balancing devices 9 are by being sealedly and fixedly connected actively
Pressure-bearing set 6 on 4 shaft end of axis, the plunger 7 being fixedly connected on low pressure end seat end cap 20 are equipped with fuel feed hole 71 on plunger 7, should
Fuel feed hole 71 is connect by petroleum pipeline 72 with the oil pump being arranged in outside casing, 61 inner ring surface of left part and the plunger 7 of pressure-bearing set 6
73 periphery of right part is slidably matched, and is constituted using hydraulic cavities 70 are formed between pressure-bearing set 6 and plunger 7.
Referring to shown in 2 embodiment of attached drawing, pressure-bearing set 6 is mounted on 40 outside driving shaft of driving gear, 4 shaft end by axis hole,
It is equipped with fastening nut 63 on 4 shaft end of driving shaft to be fixed pressure-bearing set 6, is covered between 6 axis holes and 4 periphery of driving shaft in pressure-bearing
Equipped with sealing ring 65, seal pressure-bearing set 6 with driving shaft 4.
Plunger 7 offers the outer end plate 73 of seam allowance, and the mounting hole opened up on plunger 7 and low pressure end seat end cap 20 cooperates, by column
The outer end plate 73 of the seam allowance opened up on plug 7 is fixedly connected with low pressure end seat end cap 20 by screw, in plunger 7 and low pressure end seat end cap
It is provided with gasket 75 between 20 mating surface and sealing ring 76 is sealed.
Arranged distribution offers several on 73 periphery of right part for the plunger 7 that plunger 7 and pressure-bearing set 6 are slidably matched
Section is the groove 731 of semicircular arc, which forms labyrinth seal, is slidably matched face with mitigating plunger 7 and pressure-bearing set 6
Between leakage rate, the leak pressure oily (gear lubricant) that plunger 7 and pressure-bearing set 6 are slidably matched between face flows into low pressure end seat end cap
In 20 inner cavities, it is fed back into fuel reserve tank by oil return pipe.
The oil pump being arranged in outside casing passes through the fuel feed hole 71 opened up on petroleum pipeline 72 and plunger into the hydraulic cavities 70
Injection pressure is oily, and the pressure in hydraulic cavities 70 generates axial thrust to pressure-bearing set 6 and 4 axial end of driving shaft, jointly to driving shaft 4
Carry out axial thrust effect, the axial force that active helical rotor 41 generates driving shaft 4 when overcoming work, i.e., to driving shaft 4
Axial force is balanced.
To balance the axial force of driven shaft 5, that above-mentioned axial force can be set with driven between centers in low pressure end seat end cap 20 is flat
Weigh device 9.
Claims (2)
1. the steam-water helical screw power machine with axial thrust balancing devices, including casing (1), low pressure end seat (2), low pressure end seat end
It covers (20), high pressure end seat (3), high pressure end seat end cap (30), driving shaft (4), driven shaft (5) is mounted on casing (1) interior driving shaft
(4) the active helical rotor (41) on, the driven helical rotor (51) being mounted on casing (1) interior driven shaft (5), is mounted on low
End bearing (43) before the interior driving shaft front end robot sealing device (42) of pressure side seat (2), driving shaft, is mounted on low pressure end seat end cap
(20) driving gear (40) on interior active shaft end, be mounted on the interior driving shaft rear robot sealing device (44) of high pressure end seat (3),
Driving shaft rear end bearing (45) is mounted on the interior driven shaft front end robot sealing device (52) of low pressure end seat (2), driven shaft front end axis
Hold (53), be mounted on the driven gear (50) in low pressure end seat end cap (20) on driven shaft end, be mounted in high pressure end seat (3) from
Moving axis rear robot sealing device (54), driven shaft rear end bearing (55)；Low pressure end seat (2) and high pressure end seat (3) respectively with machine
The left and right end docking of shell (1) is fixedly connected, and the driving gear (40) on driving shaft is engaged with the driven gear (50) on driven shaft
Transmission, left and right ends offer steam inlet and venthole respectively on casing (1), it is characterized in that:
Axial thrust balancing devices (9) are equipped in low pressure end seat end cap (20), axial thrust balancing devices (9) are by being sealedly and fixedly connected
Pressure-bearing set (6) on driving shaft (4) shaft end, the plunger (7) being fixedly connected on low pressure end seat end cap (20), in plunger (7)
It is equipped with fuel feed hole (71), which is connect by petroleum pipeline (72) with the oil pump being arranged in outside casing, pressure-bearing set (6)
Left part (61) inner ring surface and right part (73) periphery of plunger (7) be slidably matched, use pressure-bearing set (6) and plunger (7)
Between formed hydraulic cavities (70) constitute.
2. the steam-water helical screw power machine according to claim 1 with axial thrust balancing devices, it is characterized in that:
Pressure-bearing set (6) is mounted on the outside of driving gear (40) on driving shaft (4) shaft end, on driving shaft (4) shaft end by axis hole
Pressure-bearing set (6) is fixed equipped with fastening nut (63), is equipped between pressure-bearing set (6) axis hole and driving shaft (4) periphery close
Seal (65) seals pressure-bearing set (6) and driving shaft (4)；
Plunger (7) offers the outer end plate (73) of seam allowance, and the mounting hole opened up on plunger (7) and low pressure end seat end cap (20) cooperates,
Be fixedly connected with low pressure end seat end cap (20) by screw by the outer end plate (73) of the seam allowance that is opened up on plunger (7), in plunger (7) and
It is provided with gasket (75) between the mating surface of low pressure end seat end cap (20) and sealing ring (76) is sealed；
In the right part (73) for the plunger (7) that plunger (7) and pressure-bearing set (6) are slidably matched if arranged distribution offers on periphery
Dry section is the groove (731) of semicircular arc, which forms labyrinth seal, and plunger (7) and pressure-bearing set (6) are slided
Leak pressure oil stream between mating surface enters in low pressure end seat end cap (20) inner cavity, is fed back into fuel reserve tank by oil return pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910254430.9A CN109915214A (en) | 2019-03-31 | 2019-03-31 | Steam-water helical screw power machine with axial thrust balancing devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910254430.9A CN109915214A (en) | 2019-03-31 | 2019-03-31 | Steam-water helical screw power machine with axial thrust balancing devices |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109915214A true CN109915214A (en) | 2019-06-21 |
Family
ID=66967915
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910254430.9A Pending CN109915214A (en) | 2019-03-31 | 2019-03-31 | Steam-water helical screw power machine with axial thrust balancing devices |
Country Status (1)
| Country | Link |
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| CN (1) | CN109915214A (en) |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2654530A (en) * | 1949-08-05 | 1953-10-06 | Eaton Mfg Co | Supercharger |
| US3932073A (en) * | 1973-07-05 | 1976-01-13 | Svenska Rotor Maskiner Aktiebolag | Screw rotor machine with spring and fluid biased balancing pistons |
| US3947078A (en) * | 1975-04-24 | 1976-03-30 | Sullair Corporation | Rotary screw machine with rotor thrust load balancing |
| JPS627901A (en) * | 1985-07-05 | 1987-01-14 | Mayekawa Mfg Co Ltd | Balancing method for thrust of screw-type rotary machine |
| US5281115A (en) * | 1990-02-09 | 1994-01-25 | Svenska Rotor Maskiner Ab | Rotary screw machine having thrust balancing means |
| CN101248277A (en) * | 2005-08-25 | 2008-08-20 | 艾拉斯科普库空气动力股份有限公司 | Improved low-pressure screw compressor |
| RU2446314C2 (en) * | 2009-08-05 | 2012-03-27 | Закрытое акционерное общество "Научно-исследовательский и конструкторский институт центробежных и роторных компрессоров им. В.Б. Шнеппа" | Screw compressor |
| WO2012166020A1 (en) * | 2011-06-03 | 2012-12-06 | Закрытое Акционерное Общество "Эко-Энергетика" | Steam helical rotor machine |
| CN202645998U (en) * | 2011-11-25 | 2013-01-02 | 天津市瑞德螺杆泵制造技术有限公司 | Low pressure balanced compact three screw pump with built-in safety valve |
| CN202707477U (en) * | 2012-05-31 | 2013-01-30 | 阜新北鑫星液压有限公司 | High-pressure spiral arc gear pump |
| WO2013028015A2 (en) * | 2011-08-23 | 2013-02-28 | (주)에어플러스 | Oil-free air compressor |
| CN104100524A (en) * | 2014-07-31 | 2014-10-15 | 山东省章丘鼓风机股份有限公司 | Roots blower with combined sealing structure |
| CN209855858U (en) * | 2019-03-31 | 2019-12-27 | 丹东隆强科技有限责任公司 | Vapor-liquid full-flow screw power machine with axial force balancing device |
-
2019
- 2019-03-31 CN CN201910254430.9A patent/CN109915214A/en active Pending
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2654530A (en) * | 1949-08-05 | 1953-10-06 | Eaton Mfg Co | Supercharger |
| US3932073A (en) * | 1973-07-05 | 1976-01-13 | Svenska Rotor Maskiner Aktiebolag | Screw rotor machine with spring and fluid biased balancing pistons |
| US3947078A (en) * | 1975-04-24 | 1976-03-30 | Sullair Corporation | Rotary screw machine with rotor thrust load balancing |
| JPS627901A (en) * | 1985-07-05 | 1987-01-14 | Mayekawa Mfg Co Ltd | Balancing method for thrust of screw-type rotary machine |
| US5281115A (en) * | 1990-02-09 | 1994-01-25 | Svenska Rotor Maskiner Ab | Rotary screw machine having thrust balancing means |
| CN101248277A (en) * | 2005-08-25 | 2008-08-20 | 艾拉斯科普库空气动力股份有限公司 | Improved low-pressure screw compressor |
| RU2446314C2 (en) * | 2009-08-05 | 2012-03-27 | Закрытое акционерное общество "Научно-исследовательский и конструкторский институт центробежных и роторных компрессоров им. В.Б. Шнеппа" | Screw compressor |
| WO2012166020A1 (en) * | 2011-06-03 | 2012-12-06 | Закрытое Акционерное Общество "Эко-Энергетика" | Steam helical rotor machine |
| WO2013028015A2 (en) * | 2011-08-23 | 2013-02-28 | (주)에어플러스 | Oil-free air compressor |
| CN202645998U (en) * | 2011-11-25 | 2013-01-02 | 天津市瑞德螺杆泵制造技术有限公司 | Low pressure balanced compact three screw pump with built-in safety valve |
| CN202707477U (en) * | 2012-05-31 | 2013-01-30 | 阜新北鑫星液压有限公司 | High-pressure spiral arc gear pump |
| CN104100524A (en) * | 2014-07-31 | 2014-10-15 | 山东省章丘鼓风机股份有限公司 | Roots blower with combined sealing structure |
| CN209855858U (en) * | 2019-03-31 | 2019-12-27 | 丹东隆强科技有限责任公司 | Vapor-liquid full-flow screw power machine with axial force balancing device |
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