CN105927507A - Oilless compressor and auxiliary compressor set - Google Patents

Oilless compressor and auxiliary compressor set Download PDF

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Publication number
CN105927507A
CN105927507A CN201610489352.7A CN201610489352A CN105927507A CN 105927507 A CN105927507 A CN 105927507A CN 201610489352 A CN201610489352 A CN 201610489352A CN 105927507 A CN105927507 A CN 105927507A
Authority
CN
China
Prior art keywords
compressor
cylinder
oilless
drier
oil free
Prior art date
Application number
CN201610489352.7A
Other languages
Chinese (zh)
Inventor
王甲凯
张松
王司敏
Original Assignee
江苏德厚机电有限公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 江苏德厚机电有限公司 filed Critical 江苏德厚机电有限公司
Priority to CN201610489352.7A priority Critical patent/CN105927507A/en
Publication of CN105927507A publication Critical patent/CN105927507A/en

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B35/00Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for
    • F04B35/04Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for the means being electric
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F04B39/0094Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00 crankshaft
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F04B39/06Cooling; Heating; Prevention of freezing
    • F04B39/066Cooling by ventilation
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F04B39/12Casings; Cylinders; Cylinder heads; Fluid connections
    • F04B39/125Cylinder heads

Abstract

The invention discloses an oilless compressor, and belongs to the field of electric locomotive equipment. The oilless compressor comprises a driving motor, a box body, a crankshaft, a cylinder and a piston module; the driving motor is connected with the box body; the cylinder is mounted in the box body; the crankshaft is connected with the driving motor, and is positioned in the box body of the compressor; the piston module is arranged in the cylinder, and is connected with the crankshaft; the oilless compressor is a single-cylinder structure; a cooling blade is mounted on the driving motor; a cylinder mounting ring base is arranged in the box body of the compressor, and is connected with the box body of the compressor through multiple cooling ribs; and a cylinder cover is arranged at the top of the box body of the compressor, and is provided with multiple first cooling fins. The oilless compressor realizes quick heat transfer of the cylinder, prevents excessive working temperature of the cylinder, guarantees the matching tightness between the cylinder and the piston module, and increases the displacement of the compressor to 0.08 m3/min. The invention further discloses an auxiliary compressor set.

Description

Oilless (oil free) compressor and auxiliary compression unit
Technical field
The present invention relates to a kind of compressor, be especially a kind of oilless (oil free) compressor and auxiliary compression unit, belong to electric locomotive Equipment field.
Background technology
Railway is as national important infrastructure, development artery, the popular vehicles of national economy, in the modern times Logistics system plays very important effect.High speed railway construction and the exploitation of high speed heavy-load large power alternating-current electric power locomotive engine Being the emphasis of railway modernization development, China's high ferro construction in recent years is developed rapidly, and has been to have height in the world The whole world first of iron mileage number hop.
In high ferro running, it is locomotive rising bow system and master that all electric locomotives are required to an auxiliary compression unit The systems such as short-circuiting device are in advance for providing cleaning, clean, dry compressed air, to ensure that electric locomotive is reliablely and stablely transported OK, it is the powerful guarantee of electric locomotive reliability service, be at a high speed, on heavy-load large power alternating-current electric power locomotive engine one can not The part lacked.
In the auxiliary compression unit used in current domestic DC Transmission electric locomotive, compressor generally uses traditional heat radiation Structure, its radiating effect relative mistake, the capacity causing compressor is less, and existing DC Transmission electric locomotive uses pressure The capacity of contracting machine is up to 0.07m3/min, and it cannot meet the use demand in the case of high load capacity.
On March 30th, 2111, a kind of high-speed overload of present invention applicant disclosed in Chinese invention patent CN101438741B Large power alternating-current electric power locomotive engine is with in auxiliary compression unit, and it uses double-piston symmetry oilless (oil free) compressor, its radiating effect one As, capacity is up to 0.07m3/ min, and overall mass is heavier.
Summary of the invention
The technical problem to be solved is to overcome prior art defect, it is provided that a kind of good heat dissipation effect, capacity Of a relatively high oilless (oil free) compressor and auxiliary compression unit.
In order to solve above-mentioned technical problem, the present invention provide oilless (oil free) compressor, including drive motor, casing, bent axle, Cylinder and piston component, described driving motor connects with casing, and cylinder is installed in casing;Described bent axle and driving motor Connect, be positioned at compressor box;Described piston component is arranged in cylinder body, and is connected with bent axle;Described oilless (oil free) compressor For single cylinder structure, driving and install cooling wind blade on motor, be provided with cylinder and install ring seat in described compressor casing body, cylinder is pacified Dress ring seat is connected with compressor box by many radiation rib;Described compressor box top is provided with cylinder cap, and cylinder cap sets There is polylith the first radiating fin.
In the present invention, described polylith the first radiating fin is crisscross arranged with many radiation rib.
In the present invention, polylith the second radiating fin is set in the high pressure chest in described cylinder cap.
In the present invention, described piston component includes leather cup type piston ring.
In the present invention, described driving motor is rare earth permanent magnetic dc motor.
Present invention also offers a kind of auxiliary compression unit, including above-mentioned oilless (oil free) compressor, cooler, drier, pressure Power relief valve and check valve;Described oilless (oil free) compressor one end connects air intake filter, and the other end is connected with one end of cooler; The other end of described cooler is connected with one end of pressure relief valve by drier;The other end of described pressure relief valve with Check valve connects;Described drier is provided with the regenerative system making drier internal desiccant activity recovery.
In the present invention, described cooler uses aluminum plate-fin type overall structure, and the turnover tracheae of described cooler all uses aluminium Pipe welds.
In the present invention, described regenerative system includes regenerating gas cylinder, two-bit triplet magnetic valve and muffler, regenerates gas cylinder It is connected with drier;One end of two-bit triplet magnetic valve is connected with drier, and the other end connects with the air inlet of pressure relief valve Connect;Muffler is connected with at two-bit triplet magnetic valve.
In the present invention, described oilless (oil free) compressor, cooler, drier, pressure relief valve and check valve are integrally disposed in same In one housing;Filter and safety valve it is provided with between described drier and pressure relief valve.
The beneficial effects of the present invention is: (1), cylinder are installed ring seat and be connected with casing by many radiation rib so that Cylinder cap communicates formation heat dissipation channel with casing, and arranges polylith radiating fin on cylinder cap, and in the course of work, fan blade produces The heat that cylinder in the course of work is produced by cooling wind is discharged through heat dissipation channel, and is realized quickly by the radiating fin on cylinder cap Heat radiation, it is achieved the quick conduction of cylinder heat, it is to avoid cylinder operation temperature is too high, it is ensured that joining between cylinder and piston component Close tightness degree, improve compressor air-discharging amount and reach 0.08m3/ min, compared with patent of invention before applicant, its effect Rate improves 15%;(2) radiating fin, on cylinder cap interlocks with casing radiation rib, forces the cooling wind that fan blade produces Upwards blow to cylinder cap radiating fin from casing rib space, improve radiating effect;(3), cylinder cap internal high pressure chamber is provided with scattered Hot fin, can improve cylinder cap heat-sinking capability further, improve compressor air-discharging amount;(4), bent axle use eccentric block, Eccentric block is directly sleeved on bent axle and serves as motor shaft, can substantially reduce the axial dimension of compressor and control compressor Weight;(5), cooler use aluminum plate-fin type overall structure, the turnover tracheae of cooler all uses Al pipe butt welding, The intensity using cooler is greatly increased, it is ensured that the reliability of its work;Compared with existing cooler, more adapt to Use under the locomotive environment of harsh vibration, thus ensure the reliability that whole compressor bank works.
Accompanying drawing explanation
Fig. 1 is oilless (oil free) compressor structural representation of the present invention;
Fig. 2 is that casing installs ring seat connection diagram with cylinder;
Fig. 3 is casing and cylinder cap connection diagram;
Fig. 4 is cylinder cover structure schematic diagram;
Fig. 5 is auxiliary compression unit connection diagram of the present invention;
Fig. 6 is cooler construction schematic diagram.
Detailed description of the invention
Below in conjunction with the accompanying drawings the present invention is described in further detail.
As illustrated in fig. 1 and 2, oilless (oil free) compressor of the present invention uses single cylinder structure, including rare earth permanent magnetic dc motor 1, Fan blade 2, bent axle 3, connecting rod 4, casing 5, cylinder 6, piston ring 7, valve plate 8, cylinder cap 9 and piston 10.Rare earth Permanent magnet DC motor 1 is fixing with casing 5 to be connected, and the output shaft of rare earth permanent magnetic dc motor 1 stretches in casing 5, is positioned at The bottom of casing 5.Fan blade 2 is installed in the output shaft outer end of rare earth permanent magnetic dc motor 1, is used for providing cooling wind regime.Dilute The shell of the soil straight motor of permanent magnetism 1 uses alloy aluminum materials processing, to alleviate the overall weight of compressor.Rare earth permanent magnet is the most electric The Flywheel 11 of making a start of machine 1, to stabilize the fluctuation of electric current and to stablize integrating compressor system.
Being provided with cylinder in casing 5 and install ring seat 12, cylinder installs the surrounding of ring seat 12 respectively by a plurality of radiation rib 13 It is connected with casing 5.
Cylinder 6 is arranged on cylinder and installs in ring seat 12.It is cased with piston ring 7 on piston 10, and is arranged in cylinder 6, Piston 10 is connected with bent axle 3 by connecting rod 4.Piston ring 7 uses oil-free leather cup type piston ring, and its surface is filled Polytetrafluoroethylene (PTFE), uses piston ring 7 will be gradually reduced with the coefficient of friction on cylinder 6 surface, and the wear extent of piston ring 7 is also Can be gradually lowered, even up to without abrasion, the frictional dissipation merit of compressor also can decline further simultaneously, and compression efficiency carries High.
Bent axle 3 uses eccentric block structure, is directly sleeved on motor output shaft, and this structure can substantially reduce compressor Axial dimension, and control the weight of compressor.
Valve plate 8 is installed at the top of cylinder 6, valve plate 8 is respectively mounted intake valve and air bleeding valve, intake valve and air bleeding valve equal Use the special valve steels of SANDVIK company of Sweden, and use conventional reasonably processing, moulding process to ensure that it uses quality.
As shown in Figures 2 and 3, cylinder cap 9 is installed at the top of casing 5, cylinder cap 9 and the radiation rib 13 in casing 5 it Between form heat dissipation channel, quickly the heat produced during cylinder operation conduction to be distributed.Cylinder cap 9 upper surface is provided with polylith One radiating fin 14, the first radiating fin 14 is crisscross arranged with the radiation rib 13 in casing 5, thus forces fan blade 2 The cooling wind produced upwards blows to the first radiating fin 14 cylinder cap 9 from casing 5 inner rip space, improves radiating efficiency.
As shown in Figure 4, polylith the second radiating fin 15 is set in cylinder cap 9 internal high pressure chamber, with further lift cylinder Cover 9 heat dispersions, improve compressor air-discharging amount.
During compressor operating, rare earth permanent magnetic dc motor 1 drives fan blade 2 to rotate while driving piston 10 motion and produces Cooling wind, cooling blows air over composition heat dissipation channel between the radiation rib 13 in cylinder cap 9 and casing 5, quickly by cylinder 6 The heat that surface produces is blown to cylinder cap 9, by the second radiating fin in first radiating fin 14 on cylinder cap 9 surface and high pressure chest Heat is carried out Quick diffusing by sheet 12, thus avoids the rising of cylinder 6 temperature, it is ensured that cylinder 6 and piston 10 work Stability, extends the service life of cylinder 6 and oil-free leather cup type piston ring 7, and improves compressor air-discharging amount.
As it is shown in figure 5, auxiliary compression unit of the present invention, including above-mentioned oilless (oil free) compressor 16, cooler 17, drier 18, pressure relief valve 19, check valve 20, regenerative system 21, filter 23 and safety valve 24.Oilless (oil free) compressor 16 one end Being connected with air intake filter 25, the other end is connected with cooler 17.The other end of cooler 17 passes through drier 18 and pressure Relief valve 19 connects;The other end of pressure relief valve 19 is connected with check valve 20.Oilless (oil free) compressor 16, cooler 17, dry Dry device 18, pressure relief valve 19, check valve 20 are integrally disposed in same housing 22.
As it is shown in figure 5, cooler 17 uses aluminum plate-fin type overall structure, use full aluminium manufacture, welding fabrication.Cold But air inlet pipe 171 and the escape pipe 172 of device 17 is Al pipe butt welding formula, compares the copper pipe of more existing compressor, and it is strong Degree is greatly increased, and enhances reliability simultaneously, to adapt to use under severe vibration environment, overcomes traditional copper pipe easy There is the defect of fracture.
Drier 18 is provided with the regenerative system 21 making drier 18 internal desiccant activity recovery.Regenerative system 21 includes regeneration Gas cylinder 211, two-bit triplet magnetic valve 212 and muffler 214, regeneration gas cylinder 211 is connected with drier 18;Two three One end of three-way electromagnetic valve 212 is connected with drier 18, and the other end is connected with the air inlet of pressure relief valve 19.Exhaust noise silencing Device 214 is arranged on two-bit triplet magnetic valve 212.After compressor bank uses a period of time, regenerative system 21 can be passed through Make drier 18 activity recovery, thus extend the service life of drier 18.
Be provided with filter 23 between drier 18 and pressure relief valve 19, with guarantee compressed-air actuated cleaning, clean, be dried.
Safety valve 24 it is provided with, to guarantee to use compressed air safely between drier 18 and filter 23.
During work, compressor operating, compress air to the pressure at expulsion required.The compressed air rising high pressure is cooled Enter drier 18 after device 17 cooling to be dried.Dried compressed air through filter 23, pressure relief valve 19, by Check valve 20 is for locomotive gas system.
Above the detailed description of the invention of the present invention is described, but the present invention is not limited to above description.For ability For the technical staff in territory, any equal amendment to the technical program and replacement are all within the scope of the invention.Cause This, the impartial conversion made without departing from the spirit and scope of the invention and amendment, all should contain in the scope of the present invention In.

Claims (10)

1. an oilless (oil free) compressor, including driving motor, casing, bent axle, cylinder and piston component, described driving motor Connecting with casing, cylinder is installed in casing;Described bent axle is connected with driving motor, is positioned at compressor box;Described work Plug assembly is arranged in cylinder body, and is connected with bent axle;It is characterized in that: described oilless (oil free) compressor is single cylinder structure, drive Installing cooling wind blade on motor, be provided with cylinder and install ring seat in described compressor casing body, cylinder is installed ring seat and is dissipated by many Hot rib is connected with compressor box;Described compressor box top is provided with cylinder cap, and cylinder cap is provided with polylith the first radiating fin Sheet.
Oilless (oil free) compressor the most according to claim 1, it is characterised in that: described polylith the first radiating fin and many Radiation rib is crisscross arranged.
Oilless (oil free) compressor the most according to claim 1 and 2, it is characterised in that: set in the high pressure chest in described cylinder cap Put polylith the second radiating fin.
Oilless (oil free) compressor the most according to claim 3, it is characterised in that: described piston component includes leather cup type piston Ring.
Oilless (oil free) compressor the most according to claim 4, it is characterised in that: described driving motor is rareearth permanent-magnet DC Motor.
6. an auxiliary compression unit, it is characterised in that: include the oilless (oil free) compressor described in claim 1, cooler, Drier, pressure relief valve and check valve;Described oilless (oil free) compressor one end connects air intake filter, the other end and cooler One end connect;The other end of described cooler is connected with one end of pressure relief valve by drier;Described pressure discharges The other end of valve is connected with check valve;Described drier is provided with the regenerative system making drier internal desiccant activity recovery.
Auxiliary compression unit the most according to claim 6, it is characterised in that: described cooler uses aluminum plate-fin type Overall structure, the turnover tracheae of described cooler all uses Al pipe butt welding.
Auxiliary compression unit the most according to claim 7, it is characterised in that: described regenerative system includes regeneration gas Bottle, two-bit triplet magnetic valve and muffler, regeneration gas cylinder is connected with drier;One end of two-bit triplet magnetic valve with Drier connects, and the other end is connected with the air inlet of pressure relief valve;Muffler is connected with at two-bit triplet magnetic valve.
Auxiliary compression unit the most according to claim 8, it is characterised in that: described oilless (oil free) compressor, cooler, Drier, pressure relief valve and check valve are integrally disposed in same housing.
Auxiliary compression unit the most according to claim 8, it is characterised in that: described drier and pressure relief valve Between be provided with filter and safety valve.
CN201610489352.7A 2016-06-28 2016-06-28 Oilless compressor and auxiliary compressor set CN105927507A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610489352.7A CN105927507A (en) 2016-06-28 2016-06-28 Oilless compressor and auxiliary compressor set

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Application Number Priority Date Filing Date Title
CN201610489352.7A CN105927507A (en) 2016-06-28 2016-06-28 Oilless compressor and auxiliary compressor set

Publications (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110352325A (en) * 2016-12-30 2019-10-18 阿斯彭压缩机有限责任公司 Flywheel auxiliary-rotation compressor

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003161258A (en) * 2001-11-28 2003-06-06 Sanyo Electric Co Ltd Linear compressor
CN101338741A (en) * 2008-08-14 2009-01-07 江苏德厚机电有限公司 High speed heavy-load large power alternating-current electric power locomotive engine auxiliary compressor unit
CN202140277U (en) * 2011-07-06 2012-02-08 泉州市华德机电设备有限公司 Direct-connected piston air compressor
CN203453046U (en) * 2013-08-13 2014-02-26 快意(江门)压缩机有限公司 Efficient high-dissipating environment-friendly oil-free air compressor pump head
CN204984772U (en) * 2015-10-08 2016-01-20 浙江大有机电科技有限公司 Directly ally oneself with oil -free air compressor
CN205779574U (en) * 2016-06-28 2016-12-07 江苏德厚机电有限公司 Oilless (oil free) compressor and auxiliary compression unit

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003161258A (en) * 2001-11-28 2003-06-06 Sanyo Electric Co Ltd Linear compressor
CN101338741A (en) * 2008-08-14 2009-01-07 江苏德厚机电有限公司 High speed heavy-load large power alternating-current electric power locomotive engine auxiliary compressor unit
CN202140277U (en) * 2011-07-06 2012-02-08 泉州市华德机电设备有限公司 Direct-connected piston air compressor
CN203453046U (en) * 2013-08-13 2014-02-26 快意(江门)压缩机有限公司 Efficient high-dissipating environment-friendly oil-free air compressor pump head
CN204984772U (en) * 2015-10-08 2016-01-20 浙江大有机电科技有限公司 Directly ally oneself with oil -free air compressor
CN205779574U (en) * 2016-06-28 2016-12-07 江苏德厚机电有限公司 Oilless (oil free) compressor and auxiliary compression unit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110352325A (en) * 2016-12-30 2019-10-18 阿斯彭压缩机有限责任公司 Flywheel auxiliary-rotation compressor

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Application publication date: 20160907