CN102182714A - Gas and oil non-isolated mixed type piston energy accumulator - Google Patents
Gas and oil non-isolated mixed type piston energy accumulator Download PDFInfo
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- CN102182714A CN102182714A CN2011101522876A CN201110152287A CN102182714A CN 102182714 A CN102182714 A CN 102182714A CN 2011101522876 A CN2011101522876 A CN 2011101522876A CN 201110152287 A CN201110152287 A CN 201110152287A CN 102182714 A CN102182714 A CN 102182714A
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- jar body
- earthen jar
- necked earthen
- oil
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Abstract
The invention provides a gas and oil non-isolated mixed type piston energy accumulator, which is characterized in that an aluminous alloy piston is arranged in an oil cylinder body; a guide sliding sleeve which is provided with a plurality of inclined oil grooves is adopted as the piston; two T-shaped Turcon Glyd ring sealing members which are bidirectionally stressed, have small friction coefficient and are provided with O-shaped sealing elements for automatically pressing are adopted in the piston; the piston is provided with an oil groove for reducing the pressure difference at two sides of the sealing element and a one-way valve; little oil is contained in the flute on the upper side of the piston to form an oil seal so as to form a non-isolated/isolated (the oil and gas are isolated by the piston) mixed type energy accumulator; an oil inlet, an oil outlet and an anti-vibration pad are arranged at the bottom of the oil cylinder body; and the energy accumulator can be selectively provided with multiple piston position detecting devices so as to realize automatic control of the hydraulic system. The gas and oil non-isolated mixed type piston energy accumulator has the advantages that: the sealing is reliable, the piston has low friction resistance, the sealing element has long service life, the gas does not leak into the oil cylinder, the system response speed is high, various structural styles and functions of piston position detecting devices are provided, and the safety automation degree is high.
Description
Technical field
The present invention relates to a kind of gas, oily non-isolation hybrid type piston accumulator, be mainly used in energy storage, the energy-conservation hydraulic system, belong to the accumulator technical field.
Background technique
Accumulator uses more in some hydraulic systems, also is important auxiliary in the hydraulic system, to system normally operation, protecting against shock, do supplementary energy, energy-conservation etc. playing a significant role, be the widely used product of mature and reliable very.Use more accumulator at present, be mainly bladder type hydropneumatic accumulator and piston accumulator, they respectively have pluses and minuses, narrow limitation is also respectively arranged and be suitable for scope and occasion separately.The piston accumulator capacity is big, the life-span long, simple in structure, install simply easy, easy to maintenance workload little, reliable, advantage such as approved product arranged.Gas leakage, system response time are slow, piston is arranged, and then surface friction drag increases, seal life is lacked, the supporting with it use of a plurality of outside gas cylinders need be arranged on it but also have, floor space is big, the external connecting pipe line, etc. shortcoming, it is applicable to that bigger capacity makes the energy-conservation hydraulic system occasion of supplementary energy.In many large-scale energy-saving type hydraulic systems, need the reliable piston accumulator of big capacity.
Along with the world energy sources anxiety, environmental pollution is serious, natural disaster takes place frequently, or else notice that energy-saving and emission-reduction will threaten human survival, energy-conservation is again the state basic policy of China, situation need be many with piston accumulator power-saving technologies in a large amount of hydraulic systems, especially to jumbo piston accumulator it improved on the original basis again and improve a step, promote the use of to promote piston accumulator power-saving technology.
Summary of the invention
The purpose of this invention is to provide a kind of piston accumulator that can make and reach the gas of energy-saving effect, oily non-isolation combined piston accumulator.
In order to achieve the above object, technological scheme of the present invention has provided a kind of gas, the non-isolation hybrid type piston accumulator of oil, it is characterized in that, comprise oily narrow-necked earthen jar body, in oily narrow-necked earthen jar body, be provided with all-aluminium piston, be provided with guide sleeve with oblique oil duct in the contacting point of the side of all-aluminium piston and oily narrow-necked earthen jar body, be provided with groove on all-aluminium piston top, fill with oil in it, form oil sealing, be drilled with screw thereon, be convenient to take out the all-aluminium piston maintenance, on all-aluminium piston, be provided with oil inlet and outlet, under oil inlet and outlet, one-way valve is housed, the contacting point of all-aluminium piston both sides and oily narrow-necked earthen jar body is provided with T type Te Kangge and encloses, be provided with oily narrow-necked earthen jar body seat in the bottom of oily narrow-necked earthen jar body, oil narrow-necked earthen jar body seat is twisted solid on oily narrow-necked earthen jar body with round nut, be provided with the O-ring seals of band cushion block in the contacting point of oily narrow-necked earthen jar body seat and oily narrow-necked earthen jar body, be provided with oil inlet and outlet in oily narrow-necked earthen jar body seat bottom, be provided with shockproof cushion block in oily narrow-necked earthen jar body seat bottom, be provided with the end cap of flanged or threaded coupling on the top of oily narrow-necked earthen jar body, end cap is twisted solid on oily narrow-necked earthen jar body with round nut, be provided with the O-ring seals of band cushion block in the contacting point of end cap and oily narrow-necked earthen jar body, on end cap, be provided with the sensor of multiple mensuration piston position.
Further, be provided with at least two ultrasound piston position detectors at two piston position break points of the external side of oily narrow-necked earthen jar or other control point.
Also comprise the ultrasonic continuous detecting sensor, the ultrasonic continuous detecting sensor is located at apart from the reflective surface of described piston to be had on the oily narrow-necked earthen jar body seat of certain distance, and oily narrow-necked earthen jar body seat is tubaeform.
On the end cap of described oily narrow-necked earthen jar body, be provided with magnetic induction sensor, on described piston, be provided with Al-alloy pipe, be provided with ironware, when ironware process magnetic induction sensor, send signal in the end of Al-alloy pipe.
Be provided with stainless steel cage seat on the end cap on oily narrow-necked earthen jar body top, there is the O-ring seals sealing on stainless steel cage seat and end cap mating face, and stainless steel cage seat compresses the guide pin bushing seat simultaneously, when all-aluminium piston moves up, the promotion rod iron moves, and rod iron slides being provided with on the guide pin bushing seat of sliding guide sleeve, has the groove of many balance pressures on the guide pin bushing seat, the termination of rod iron is provided with magnet, when the magnet on the rod iron moves to electronic switch, send signal, the indicator piston position, when piston moved down, rod iron leaned on from repeats bits.
The present invention has provided a kind of piston accumulator that can make and has reached the gas of energy-saving effect, oily non-isolation combined piston accumulator, and its advantage is:
1. the employing all-aluminium piston is in light weight, and the starting and stopping motional inertia is little, prevents to cause that because of inertial force impacts pressure raises suddenly;
2. groove is made on piston top, puts into a small amount of oil in groove, forms oil sealing, forms non-isolation and isolation (piston with oil, air bound from) hybrid type accumulator, prevents that gas permeation from going into oily narrow-necked earthen jar, and it is more reliable and more stable that hydraulic system is moved;
3. have many valley gutters on the guide sleeve face on the piston, make the topped whole slip surface of oil film, reduce frictional loss, improve working lifes such as guide pin bushing;
4. the piston both sides are all born for a long time the piston accumulator of high pressure, adopt two bidirectional stress, friction factor T shape Te Kangge little, that have O-ring seals to compress automatically to enclose Sealing, seal more reliable, long service life;
5. two T shape Te Kangge enclose and open an oil duct between the Sealing, logical high pressure oil, and the oil of balanced seal spare both sides, air pressure, the pressure reduction minimum that makes Xia shape Te Kangge enclose the Sealing both sides helps sealing;
6. hydraulic system unavoidably has and sews, and the piston accumulator is provided with the piston position detecting device of multiple structural type, and it can provide full signal of oil starvation and repairing and control, and can control whole system;
7. piston accumulator nitrogen gateway is adopted the flange of big latus rectum or is threaded, and to adapt to big capacity gas narrow-necked earthen jar gas transmission speed, improves the speed of response of hydraulic system;
8. the connection pipe fitting before the air inlet narrow-necked earthen jar is provided with the band permanent magnet device, and adsorbable magnetic pollutant prevents to enter the gas narrow-necked earthen jar and to the damage of narrow-necked earthen jar body slip surface and Sealing.
Description of drawings
Fig. 1 is a kind of gas, oily non-isolation hybrid type piston accumulator schematic representation;
Fig. 2 is the piston accumulator schematic representation of a kind of band ultrasound (fixed point detects) sensor;
Fig. 3 is the piston accumulator schematic representation of a kind of band ultrasound (continuous detecting) sensor;
Fig. 4 is a kind of partial schematic diagram of the piston accumulator with the magnetic strength sensing switch;
Fig. 5 is a kind of partial schematic diagram of piston accumulator of charged sub-switch.
Embodiment
Specify the present invention below in conjunction with embodiment.
As shown in Figure 1, be a kind of gas, the non-isolation hybrid type piston accumulator schematic representation of oil, comprise oily narrow-necked earthen jar body 14, in oily narrow-necked earthen jar body 14, be provided with all-aluminium piston 5, be provided with guide sleeve 6 with many oblique oil ducts in the contacting point of the side of all-aluminium piston 5 and oily narrow-necked earthen jar body 14, be provided with two in the contacting point of the both sides of all-aluminium piston 5 and oily narrow-necked earthen jar body 14 and enclose 7 Sealing as T type Te Kangge, make groove on all-aluminium piston 5 tops, fill with hydraulic oil in it, form oil sealing, side on all-aluminium piston 5 and below have dihedral oil duct 12, adorn an one-way valve 11 at oil duct 12 by oily narrow-necked earthen jar side, can only oil-feed go in the piston oil duct 12 by oily narrow-necked earthen jar side one-way valve 11, in the bottom of oily narrow-necked earthen jar body 14, be provided with oily narrow-necked earthen jar body seat 8, contacting point at oily narrow-necked earthen jar body seat 8 and oily narrow-necked earthen jar body 14 is provided with the Sealing 3 that O-ring seals adds packing ring, on oily narrow-necked earthen jar body 14, be provided with round nut 2, compress oily narrow-necked earthen jar body seat 8, bottom at oily narrow-necked earthen jar body seat 8 is provided with antidetonation cushion block 10, adopt the purpose of antidetonation cushion block 10, in order to increase the area of contact with rubber cushion blocks, increase buffering elasticity, below antidetonation cushion block 10, establish the rubber cushion blocks (not shown), vibrations when the generation of piston accumulator, directly pass to damping on the block rubber by oily narrow-necked earthen jar body 14 through the antidetonation cushion block, be provided with oil inlet and outlet 9 at oily narrow-necked earthen jar body seat 8, be provided with the end cap 4 of flanged or threaded coupling on the top of oily narrow-necked earthen jar body 14, end cap 4 usefulness round nuts 2 are twisted solid on oily narrow-necked earthen jar body 14, are provided with the sensor that multiple detection piston position is set as required on end cap 4.
As shown in Figure 2, a kind of gas of present embodiment and embodiment 1, the non-isolation hybrid type piston accumulator of oil belongs to the benchmark type, be not with piston position detecting device, its difference is, present embodiment increases piston position detecting device on the benchmark type, adopt iron hoop 15 that ultrasonic wave sensor 16 (penetrating type) is fixed on the sidewall of oily narrow-necked earthen jar body 14, comprise oily narrow-necked earthen jar body 14 outside close piston two ends limit positions, respectively be provided with a ultrasonic wave sensor 16 (penetrating type), for needing repairing and repairing, the piston accumulator completely sends signal and control, in addition for the needs of fluid,matching pressing system and variable displacement pump control, also can install a plurality of ultrasonic wave sensors 16 (penetrating type), be arranged on the several Key Points, when this position of piston arrives in oily narrow-necked earthen jar body 14 outsides, send signal, hydraulic system and variable displacement pump are controlled.
Embodiment 3
As shown in Figure 3, a kind of gas of present embodiment and embodiment 1, the non-isolation hybrid type piston accumulator of oil belongs to the benchmark type, be not with piston position detecting device, its difference is, present embodiment increases by a cover piston position detecting device on the benchmark type, adopt ultrasonic continuous detecting sensor 17, it is installed on the oily narrow-necked earthen jar body seat 8, the blind area that one segment distance is arranged because of this ultrasound (continuous detecting) sensor 17, ultrasound (continuous detecting) sensor 17 surface of emissions will with all-aluminium piston 5 reflective surface, one segment distance need be arranged, therefore oily narrow-necked earthen jar body seat 8 is designed to shape, to eliminate the blind area of ultrasound (continuous detecting) sensor 17, guarantees the measuring accuracy of all-aluminium piston position.
Embodiment 4
As shown in Figure 4, a kind of gas of present embodiment and embodiment 1, the non-isolation hybrid type piston accumulator of oil belongs to the benchmark type, be not with piston position detecting device, its difference is, present embodiment increases by a cover piston position detecting device on the benchmark type, adopt magnetic induction sensor 21, it comprises that the end cap 4 of oily narrow-necked earthen jar body 14 is provided with magnetic induction sensor 21, it utilizes all-aluminium piston 5 to be provided with Al-alloy pipe 19, be provided with ironware 22 in the end of Al-alloy pipe, when all-aluminium piston moves up, when ironware 22 process magnetic induction sensors 21, send signal, indication all-aluminium piston position.
Shown in 5 figure, a kind of gas of present embodiment and embodiment 1, the non-isolation hybrid type piston accumulator of oil belongs to the benchmark type, be not with piston position detecting device, its difference is, present embodiment increases by a cover piston position detecting device on the benchmark type, adopt electronic switch 29, it places on the stainless steel cage seat 28, stainless steel cage seat 28, be contained on the end cap 20 on the oily narrow-necked earthen jar body 14, stainless steel cage seat 28 has O-ring seals 27 sealings with end cap 20 mating faces, and stainless steel cage seat 28 compresses guide pin bushing seat 26 simultaneously, when all-aluminium piston 5 moves up, promote rod iron 23 and move, rod iron 23 is being provided with slip on the guide pin bushing seat 26 of sliding guide sleeve 24, has the groove 25 of many balance pressures on the guide pin bushing seat 26, the termination of rod iron 23 is provided with magnet 30, when the magnet on the rod iron 23 30 moves to electronic switch 29, send signal, the indicator piston position, when all-aluminium piston moved down, rod iron leaned on from repeats bits.
Claims (5)
1. gas, the non-isolation hybrid type piston accumulator of oil, it is characterized in that, comprise oily narrow-necked earthen jar body (14), in oily narrow-necked earthen jar body (14), be provided with all-aluminium piston (5), be provided with guide sleeve (6) with oblique oil duct in the contacting point of the side of all-aluminium piston (5) and oily narrow-necked earthen jar body (14), be provided with groove on all-aluminium piston (5) top, fill with oil in it, form oil sealing, be drilled with screw (13) thereon, be convenient to take out all-aluminium piston (5) maintenance, on all-aluminium piston (5), be provided with oil inlet and outlet (12), one-way valve (11) is housed under oil inlet and outlet (12), the contacting point of all-aluminium piston (5) both sides and oily narrow-necked earthen jar body (14) is provided with T type Te Kangge and encloses (7), be provided with oily narrow-necked earthen jar body seat (8) in the bottom of oily narrow-necked earthen jar body (14), oil narrow-necked earthen jar body seat (8) is twisted solid on oily narrow-necked earthen jar body (14) with round nut (2), be provided with the O-ring seals (3) of band cushion block in the oily narrow-necked earthen jar body seat (8) and the contacting point of oily narrow-necked earthen jar body (14), be provided with oil inlet and outlet (9) in oily narrow-necked earthen jar body seat (8) bottom, be provided with shockproof cushion block (10) in oily narrow-necked earthen jar body seat (8) bottom, be provided with the end cap (4) of flanged or threaded coupling on the top of oily narrow-necked earthen jar body (14), end cap (4) is twisted solid on oily narrow-necked earthen jar body (14) with round nut (2), be provided with the O-ring seals (3) of band cushion block in the end cap (4) and the contacting point of oily narrow-necked earthen jar body (14), on end cap (4), be provided with the sensor of multiple mensuration piston position.
2. a kind of gas as claimed in claim 1, oily non-isolation hybrid type piston accumulator is characterized in that: be provided with at least two ultrasound piston position detectors (16) at oily narrow-necked earthen jar body (14) two the piston position break points in the outside or other control point.
3. a kind of gas as claimed in claim 1, oily non-isolation hybrid type piston accumulator belong to the benchmark type, it is characterized in that: also comprise ultrasonic continuous detecting sensor (17), ultrasonic continuous detecting sensor (17) is located at apart from the reflective surface of described piston (5) to be had on the oily narrow-necked earthen jar body seat (8) of certain distance, and oily narrow-necked earthen jar body seat (8) is tubaeform.
4. a kind of gas as claimed in claim 1, oily non-isolation hybrid type piston accumulator belong to the benchmark class, it is characterized in that: on the end cap (4) of described oily narrow-necked earthen jar body (14), be provided with magnetic induction sensor (21), on described piston (5), be provided with Al-alloy pipe (19), be provided with ironware (22) in the end of Al-alloy pipe (19), when ironware (22) process magnetic induction sensor (21), send signal.
5. a kind of gas as claimed in claim 1, the non-isolation combined piston accumulator of oil belongs to the benchmark type, it is characterized in that, on the end cap (4) on oily narrow-necked earthen jar body (14) top, be provided with stainless steel cage seat (28), stainless steel cage seat (28) has O-ring seals (27) sealing with end cap (4) mating face, stainless steel cage seat (28) compresses guide pin bushing seat (26) simultaneously, when all-aluminium piston (5) moves up, promoting rod iron (23) moves, rod iron (23) is gone up at the guide pin bushing seat (26) that is provided with sliding guide sleeve (24) and is slided, have the groove (25) of many balance pressures on the guide pin bushing seat (26), the termination of rod iron (23) is provided with magnet (30), when the magnet (30) on the rod iron (23) moves to electronic switch (29), send signal, indicator piston (5) position, when piston (5) when moving down, rod iron (23) is by from repeats bits.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101522876A CN102182714A (en) | 2011-06-08 | 2011-06-08 | Gas and oil non-isolated mixed type piston energy accumulator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101522876A CN102182714A (en) | 2011-06-08 | 2011-06-08 | Gas and oil non-isolated mixed type piston energy accumulator |
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| CN102182714A true CN102182714A (en) | 2011-09-14 |
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| CN2011101522876A Pending CN102182714A (en) | 2011-06-08 | 2011-06-08 | Gas and oil non-isolated mixed type piston energy accumulator |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102418720A (en) * | 2011-12-05 | 2012-04-18 | 海卓泰克液压技术（苏州）有限公司 | Piston type energy accumulator |
| CN103776488A (en) * | 2012-04-02 | 2014-05-07 | 玛珂系统分析和开发有限公司 | Position determining device |
| CN104295540A (en) * | 2014-05-28 | 2015-01-21 | 国家电网公司 | Energy accumulator with air leakage alarm apparatus and hydraulic operating mechanism |
| CN104358718A (en) * | 2014-11-17 | 2015-02-18 | 河南平高电气股份有限公司 | Piston accumulator |
| CN108252966A (en) * | 2018-03-06 | 2018-07-06 | 宁波朝日液压有限公司 | A kind of radar range finding formula piston power accumulator |
| CN112746993A (en) * | 2020-12-30 | 2021-05-04 | 中国航空工业集团公司金城南京机电液压工程研究中心 | Two-stage bellows type pressure vessel capable of displaying volume |
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| CN101936312A (en) * | 2010-09-15 | 2011-01-05 | 上海汇益控制系统股份有限公司 | High-pressure piston type accumulator |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102418720A (en) * | 2011-12-05 | 2012-04-18 | 海卓泰克液压技术（苏州）有限公司 | Piston type energy accumulator |
| CN103776488A (en) * | 2012-04-02 | 2014-05-07 | 玛珂系统分析和开发有限公司 | Position determining device |
| CN104295540A (en) * | 2014-05-28 | 2015-01-21 | 国家电网公司 | Energy accumulator with air leakage alarm apparatus and hydraulic operating mechanism |
| CN104358718A (en) * | 2014-11-17 | 2015-02-18 | 河南平高电气股份有限公司 | Piston accumulator |
| CN104358718B (en) * | 2014-11-17 | 2016-11-23 | 河南平高电气股份有限公司 | A kind of piston accumulator |
| CN108252966A (en) * | 2018-03-06 | 2018-07-06 | 宁波朝日液压有限公司 | A kind of radar range finding formula piston power accumulator |
| CN112746993A (en) * | 2020-12-30 | 2021-05-04 | 中国航空工业集团公司金城南京机电液压工程研究中心 | Two-stage bellows type pressure vessel capable of displaying volume |
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Application publication date: 20110914 |