CN201963636U - Water cooling and air cooling hydraulic cylinder - Google Patents

Water cooling and air cooling hydraulic cylinder Download PDF

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Publication number
CN201963636U
CN201963636U CN2011200803967U CN201120080396U CN201963636U CN 201963636 U CN201963636 U CN 201963636U CN 2011200803967 U CN2011200803967 U CN 2011200803967U CN 201120080396 U CN201120080396 U CN 201120080396U CN 201963636 U CN201963636 U CN 201963636U
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China
Prior art keywords
cooling
air
water
oil cylinder
cylinder body
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Expired - Fee Related
Application number
CN2011200803967U
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Chinese (zh)
Inventor
侯风岭
吴强
张兆柱
闫仲存
王永
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Shandong Iron and Steel Co Ltd
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Laiwu Iron and Steel Co Ltd
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Priority to CN2011200803967U priority Critical patent/CN201963636U/en
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Publication of CN201963636U publication Critical patent/CN201963636U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses a water cooling and air cooling hydraulic cylinder, which comprises a water cooling jacket, an oil cylinder body, a piston rod, an oil cylinder seal cover, an air cooling end cover and an oil cylinder shaft end seal cover, wherein the water cooling jacket is in a hollow cylinder shape; the water cooling jacket is provided with a water inlet and a water outlet which are respectively used for injecting and discharging cooling water; the oil cylinder body is arranged in the water cooling jacket; the piston rod does a reciprocating motion in the oil cylinder body; the oil cylinder seal cover is used for sealing one end of the oil cylinder body; hydraulic oil is injected into the oil cylinder body through an oil inlet and an oil outlet which are arranged on the oil cylinder seal cover and is discharged from the oil cylinder body; the air cooling end cover is arranged at the end of the water cooling jacket, which is opposite to the oil cylinder seal cover so as to seal the end of the water cooling jacket; the air cooling end cover is provided with an air inlet; and the oil cylinder shaft end seal cover is inserted into the air cooling end cover, so that the other end of the oil cylinder body is sealed; the oil cylinder shaft end seal cover is provided with an air outlet; a cooling air diversion channel is formed between the air cooling end cover and the oil cylinder shaft end seal cover; the air inlet is communicated with the fluid of the cooling air diversion channel; and the air outlet is communicated with the fluid of the cooling air diversion channel.

Description

The two cold oil hydraulic cylinders of aqueous vapor
Technical field
The utility model relates to the two cold oil hydraulic cylinders of a kind of aqueous vapor, especially relates to a kind of two cold oil hydraulic cylinders of aqueous vapor that are used for converter slip tapping hole.
Background technique
Converter slip tapping hole oil hydraulic cylinder is very strict to its technological requirement, requires the oil hydraulic cylinder internal structure to stablize, be active in one's movements, reaction velocity is fast, long service life and do not allow to occur leakage problem.But slip tapping hole oil hydraulic cylinder of the prior art is unreasonable because of design of Sealing Structure, and the water-cooling structure design is too simple, and hydraulic cylinder sealing is fragile under hot environment, and working life is too short, often causes the unplanned maintenance of converter.Specifically, the defective that present domestic converter slip tapping hole oil hydraulic cylinder water-cooling structure and seal form mainly exist is: (1) inside and outside oil accident often occurs at hot environment lower piston and rod seal well damage; (2) the unreasonable or sealing configuration defective of cylinder seal type selecting often causes the bad seals accident; (3) the oil cylinder coolant jacket is simple in structure, and cooling effect is poor; (4) the piston axle head does not have any protection and cooling method, damages at the hot environment lower seal easily to cause oil accident.Because of oil hydraulic cylinder average life only about 1000 stoves, so cause cost higher, cost control is difficulty.Clearly, present oil hydraulic cylinder can not satisfy the production needs, causes unplanned blowing out accident frequently to take place, and production is caused have a strong impact on.
Therefore, need a kind of converter slip tapping hole oil hydraulic cylinder that the water-cooling structure and the sealing configuration requirement of oil hydraulic cylinder are all improved.
The model utility content
One side of the present utility model is to provide a kind of converter slip tapping hole oil hydraulic cylinder of cooling effect raising.
Of the present utility modelly be to provide the improved converter slip of a kind of sealing configuration tapping hole oil hydraulic cylinder on the other hand.
According to each side of the present utility model, the two cold oil hydraulic cylinders of a kind of aqueous vapor, the two cold oil hydraulic cylinders of this aqueous vapor comprise: water jacket, be hollow cylindrical, water jacket is provided with water intake and the water outlet that is used to inject and discharge cooling water; Cylinder body is arranged in the water jacket; Piston rod moves back and forth in cylinder body; Cylinder seal lid, an end of sealing oil cylinder body, hydraulic oil is injected into the cylinder body neutralization by the filler opening that is arranged on cylinder seal and covers and oil outlet and discharges from cylinder body; The air cooling end cap, what be arranged on water jacket covers opposite end with cylinder seal, and with the described end of sealing water jacket, the air cooling end cap is provided with suction port; Oil cylinder shaft end seal lid, be inserted in the air cooling end cap, make the other end of cylinder body sealed, cover at the oil cylinder shaft end seal and to be provided with air outlet hole, wherein, between air cooling end cap and oil cylinder shaft end seal lid, form the cooling air splitter box, described suction port and cooling air splitter box fluid communication, described air outlet hole and described cooling air splitter box fluid communication.
Described cooling air splitter box can be arranged in the air cooling end cap.
Described cooling air splitter box can be arranged in the oil cylinder shaft end seal lid.
Described cooling air splitter box can be arranged on the air cooling end cap and the oil cylinder shaft end seal covers among both.
Described air outlet hole can be around the rounded arrangement in center of oil cylinder shaft end seal lid.
Described air outlet hole can be 8, can be 45 ° between each air outlet hole.
The center line of described each air outlet hole can be 45 ° with the end face of air cooling end cap.
Can the water-cooling spiral plate be set between water jacket and cylinder body so that cooling water is directed to water outlet from water intake.
The external diameter of water-cooling spiral plate can equal the internal diameter of water jacket.
The part with oil cylinder shaft end seal lid connecting part of piston rod can be provided with high temperature piston metal-rubber combined seal ring.
Can be provided with high temperature piston metal-rubber combined seal ring at the piston end of cylinder body.
Described high temperature piston metal-rubber combined seal ring can be made up of OMS-MR sealing and metallic seal.
In sum, converter slip tapping hole oil hydraulic cylinder of the present utility model has the following advantages: (1) adopts cooling water around fluidal texture and air cooling structure, and the oil hydraulic cylinder good cooling results has been avoided the Sealing premature damage, thereby has improved oil hydraulic cylinder working life; (2) adopt advanced elevated-temperature seal structure, improved oil hydraulic cylinder working life.
Description of drawings
By the description of embodiment being carried out below in conjunction with accompanying drawing, these of the utility model general plotting and/or others and effectiveness will become clear and easy to understand more, wherein:
Fig. 1 is the schematic cross sectional view of the two cold oil hydraulic cylinders of aqueous vapor of the present utility model.
Fig. 2 is the schematic representation of the utility model A-A section, shows the flow direction of air-flow.
Embodiment
Now, will describe in detail according to embodiment of the present utility model, its example is illustrated in the accompanying drawings, and wherein, identical label is represented components identical all the time.Below, embodiment is described with reference to the accompanying drawings, to explain general plotting of the present utility model.
As depicted in figs. 1 and 2, the two cold oil hydraulic cylinders of the aqueous vapor that is used for converter slip tapping hole of the utility model exemplary embodiment comprise: water-cooling spiral plate 5, water jacket 6, air cooling end cap 9, piston rod 12, cylinder body 13, oil cylinder shaft end seal lid 15 and cylinder seal lid 16.
In the present embodiment, water jacket 6 is roughly the cylindrical shape of hollow, its cylindrical body is provided with spaced-apart water outlet 3 and water intake 7, and water intake 7 is used for cooling water is injected between water jacket 6 and the cylinder body 13, and water outlet 3 is used for cooling-water drain is wherein gone out.In other embodiments, also can use except cooling water other to have the cooling liquid of cooling effect.
Cylinder body 13 is arranged in the water jacket 6, surrounded by water jacket 6, and also be the cylindrical shape of hollow, an end of the piston head of the close piston rod 12 of cylinder body 13 is provided with cylinder seal lid 16, with a described end of sealing oil cylinder body 13.The end of this cylinder seal lid 16 can flush with the end of an end of water jacket 6.Between water jacket 6 and cylinder seal lid 16, also be provided with and be used for member that water jacket 6 is sealed.In another embodiment, cylinder seal lid 16 is arranged on an end of water jacket 6, to seal an end of water jacket 6 and cylinder body 13 simultaneously.Be provided with oil outlet 1 and filler opening 2 in cylinder seal lid 16, oil outlet 1 and filler opening 2 are used for hydraulic oil being injected cylinder body 13 and hydraulic oil being emitted from cylinder body 13.
In the present embodiment, between cylinder body 13 and water jacket 6, be provided with the water-cooling spiral plate 5 that extends around cylinder body 13 helicallies.Look up from the footpath of cylinder body 13, water-cooling spiral plate 5 can be divided into a plurality of parts with the cavity between cylinder body 13 and the water jacket 6, for example, as shown in Figure 1, cavity between cylinder body 13 and the water jacket 6 axially is separated into A, B and three parts of C along cylinder body 13, the external diameter of water-cooling spiral plate 5 equals the internal diameter of water jacket 6, and the angle of inclination of water-cooling spiral plate 5 and thickness can correspondingly change as required.
Air cooling end cap 9 is arranged on the other end of water jacket 6, so that the sealing of the other end of water jacket 6, its outward appearance roughly is cuboid.In other embodiments, air cooling end cap 9 also can be other shapes, for example circular or other suitable shape.Be provided with the fixed hole of fixing the two cold oil hydraulic cylinders of this aqueous vapor according to four jiaos of the air cooling end cap 9 of present embodiment, center at air cooling end cap 9 is provided with opening, cylinder body 13 is inserted in this opening, and simultaneously oil cylinder shaft end seal lid 15 is inserted in the cylinder body 13 the other end with sealing oil cylinder body 13.In addition, oil cylinder shaft end seal lid 15 combines with air cooling end cap 9, with realization to the sealing of air cooling end cap 9 with to the further sealing of water jacket 6.
The cooling air splitter box 14 that also is provided with suction port 8 on the top of air cooling end cap 9 and is communicated with these suction port 8 fluids is provided with at least one air outlet hole 10 to be connected with cooling air splitter box 14 in oil cylinder shaft end seal lid 15.In another embodiment, can on air cooling end cap 9, only be provided with suction port 8, and cooling air splitter box 14 that is communicated with suction port 8 fluids and air outlet hole 10 can be arranged on all in the oil cylinder shaft end seal lid 15.Perhaps, in another embodiment, cooling air splitter box 14 can be formed on air cooling end cap 9 and oil cylinder shaft end seal lid 15 among both, that is to say, can cover a part that forms cooling air splitter box 14 on the 15 gentle cold junction lids 9 respectively at the oil cylinder shaft end seal, thereby cover the complete cooling air splitter box 14 of 15 gentle cold junction lid 9 common structures by the oil cylinder shaft end seal.To sum up state institute, can between air cooling end cap and oil cylinder shaft end seal lid, form cooling air splitter box 14.In exemplary embodiment of the present utility model, air outlet hole 10 is formed by being evenly distributed on 8 holes that the oil cylinder shaft end seal covers on 15 circumference, angle design between each hole is at 45, in the present embodiment, as shown in Figure 1, the center line I of air outlet hole 10 be arranged to the end face of oil cylinder shaft end seal lid 15 at an angle, for example be 45 °, in other embodiments, also can be arranged to be beneficial to other angle that the end of piston rod 12 is cooled off.In other embodiments, the quantity of air outlet hole 10 can change, and the angle between each hole also correspondingly changes.As shown in Figure 2, compare with the position of cooling air splitter box 14, air outlet hole 10 is set at the inboard of cooling air splitter box 14.Suction port 8 and cooling air splitter box 14 fluid communication, air outlet hole 10 and cooling air splitter box 14 also fluid communication, the feasible air flows that enters from suction port 8 is discharged from air outlet hole 10 by cooling air splitter box 14 again, thereby realizes the cooling to air cooling end cap 9 and oil cylinder shaft end seal lid 15.Though not shown, in cooling air splitter box 14 inside and outside both sides the O RunddichtringO is installed, with the sealing between increase air cooling end cap 9 and oil cylinder shaft end seal lid 15 both surface of contact, and guarantee that cooling blast is unimpeded.
Piston rod 12 passes and is arranged on the hole that the oil cylinder shaft end seal covers 15 centers and is inserted in the cylinder body 13.The part of covering 15 connecting parts at piston rod 12 and oil cylinder shaft end seal mainly is provided with the high temperature piston metal-rubber combined seal ring 11 that OMS-MR seals and metallic seal is formed, piston head and cylinder body 13 contacted parts at piston rod 12 are provided with the high temperature piston metal-rubber combined seal ring of being made up of OMS-MR sealing and metallic seal 4, to improve effectively the working life of hydraulic cylinder sealing element, this high temperature piston metal-rubber combined seal ring 4 and 11 is at high temperature than improving 1 to 1.5 times the working life of single rubber seal.
Below, the cooling principle of the two cold oil hydraulic cylinders of converter slip tapping hole aqueous vapor is described with reference to Fig. 1 and Fig. 2.
The cooling-water flow process is at first described, cooling water enters cooling zone A between water jacket 6 and the cylinder body 13 from water intake 7, flow to cooling zone B and C then, flow out from water outlet 3 at last, cooling water has formed circulation between cylinder body 13 and water jacket 6, guaranteed that each part of cylinder body all has good cooling effect, and eliminated the cooling dead angle.
Next the movement process of cooling air is described, cooling air enters from suction port 8, behind cooling air splitter box 14, discharge from air outlet hole 10, the position being set and direction is set owing to air outlet hole 10, make the gas of discharging from air outlet hole 10 blow to the piston rod 12 of oil hydraulic cylinder axle head, reduced the temperature of piston rod axle head, the thermal radiation that will axially transmit again of the cooling air of Pai Chuing is simultaneously kept apart, avoid the oil hydraulic cylinder shaft end seal directly to be subjected to the baking of hot gas, improved shaft end seal spare working life.
This shows, arranged outside at cylinder body 13 has water jacket 6, between water jacket 6 and cylinder body 13, be provided with water-cooling spiral plate 5, cylinder body 13 can be cooled off by cooling water, and oil cylinder shaft end seal lid 15 is provided with cooling air splitter box 14, and the oil cylinder shaft end seal lid 15 of oil hydraulic cylinder can be cooled off by cooling air, and cooling air can be isolated the thermal radiation of axially transmitting, so there is not the cooling dead angle in whole cylinder body, thereby improved the cooling effect of cylinder body.
Simultaneously, oil cylinder shaft end seal lid 15 is provided with 8 and is 45 ° and its each other and axially is 45 ° air outlet with end face that the oil cylinder shaft end seal covers, make the air-flow of discharging blow to piston rod, reduced the transmission of heat of piston rod, improved the working life of oil cylinder shaft end seal lid from the air outlet.Between the piston head of piston rod and the cylinder body and piston rod 12 cover the high-temperature metal combined sealing structure that 15 contacted parts all adopt OMS-MR and metal to form with the oil cylinder shaft end seal, thereby improved hydraulic cylinder sealing working life.
Though shown and described several embodiment of the present utility model, it should be appreciated by those skilled in the art that under the situation that does not break away from the spirit that limits its scope by claim and equivalent thereof and principle, can change these embodiments.

Claims (12)

1. the two cold oil hydraulic cylinders of aqueous vapor is characterized in that, the two cold oil hydraulic cylinders of described aqueous vapor comprise:
Water jacket is hollow cylindrical, and water jacket is provided with water intake and the water outlet that is used to inject and discharge cooling water;
Cylinder body is arranged in the water jacket;
Piston rod moves back and forth in cylinder body;
Cylinder seal lid, an end of sealing oil cylinder body, hydraulic oil is injected into the cylinder body neutralization by the filler opening that is arranged on cylinder seal and covers and oil outlet and discharges from cylinder body;
The air cooling end cap, what be arranged on water jacket covers opposite end with cylinder seal, and with the described end of sealing water jacket, the air cooling end cap is provided with suction port;
Oil cylinder shaft end seal lid is inserted in the air cooling end cap, makes the other end of cylinder body sealed, and cover at the oil cylinder shaft end seal and be provided with air outlet hole,
Wherein, between air cooling end cap and oil cylinder shaft end seal lid, form the cooling air splitter box, described suction port and cooling air splitter box fluid communication, described air outlet hole and described cooling air splitter box fluid communication.
2. the two cold oil hydraulic cylinders of aqueous vapor as claimed in claim 1 is characterized in that described cooling air splitter box is arranged in the air cooling end cap.
3. the two cold oil hydraulic cylinders of aqueous vapor as claimed in claim 1 is characterized in that described cooling air splitter box is arranged in the oil cylinder shaft end seal lid.
4. the two cold oil hydraulic cylinders of aqueous vapor as claimed in claim 1 is characterized in that described cooling air splitter box is arranged on the air cooling end cap and the oil cylinder shaft end seal covers among both.
5. the two cold oil hydraulic cylinders of aqueous vapor as claimed in claim 1 is characterized in that described air outlet hole is around the rounded arrangement in center of oil cylinder shaft end seal lid.
6. the two cold oil hydraulic cylinders of aqueous vapor as claimed in claim 5 is characterized in that described air outlet hole is 8, are 45 ° between each air outlet hole.
7. the two cold oil hydraulic cylinders of aqueous vapor as claimed in claim 6 is characterized in that the end face of the center line of described each air outlet hole and air cooling end cap is 45 °.
8. the two cold oil hydraulic cylinders of aqueous vapor as claimed in claim 1 is characterized in that, the water-cooling spiral plate are set so that cooling water is directed to water outlet from water intake between water jacket and cylinder body.
9. the two cold oil hydraulic cylinders of aqueous vapor as claimed in claim 8 is characterized in that the external diameter of water-cooling spiral plate equals the internal diameter of water jacket.
10. the two cold oil hydraulic cylinders of aqueous vapor as claimed in claim 1 is characterized in that, the part with oil cylinder shaft end seal lid connecting part of piston rod is provided with high temperature piston metal-rubber combined seal ring.
11. the two cold oil hydraulic cylinders of aqueous vapor as claimed in claim 1 is characterized in that, are provided with high temperature piston metal-rubber combined seal ring at the piston end of cylinder body.
12., it is characterized in that described high temperature piston metal-rubber combined seal ring is made up of OMS-MR sealing and metallic seal as claim 10 or the two cold oil hydraulic cylinders of 11 described aqueous vapors.
CN2011200803967U 2011-03-24 2011-03-24 Water cooling and air cooling hydraulic cylinder Expired - Fee Related CN201963636U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011200803967U CN201963636U (en) 2011-03-24 2011-03-24 Water cooling and air cooling hydraulic cylinder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011200803967U CN201963636U (en) 2011-03-24 2011-03-24 Water cooling and air cooling hydraulic cylinder

Publications (1)

Publication Number Publication Date
CN201963636U true CN201963636U (en) 2011-09-07

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102128186A (en) * 2011-03-24 2011-07-20 莱芜钢铁股份有限公司 Water and air double-cooled hydraulic cylinder
CN103939414A (en) * 2014-05-08 2014-07-23 无锡市长江液压缸厂 Quick water cooling waterproof sleeve oil cylinder
CN104295555A (en) * 2013-09-11 2015-01-21 昆山新金福精密电子有限公司 Hydraulic cylinder of novel seal structure
CN104399962A (en) * 2014-11-13 2015-03-11 甘肃酒钢集团宏兴钢铁股份有限公司 Cooling device for hydraulic cylinder on sliding gate of continuous casting machine and assembly method and use method of cooling device
CN106077394A (en) * 2016-07-29 2016-11-09 宜兴市鑫锤锻压设备有限公司 A kind of air-cooled compression cylinder of pneumatic hammer
CN106593995A (en) * 2016-12-23 2017-04-26 中国航天空气动力技术研究院 Water-cooling air cylinder
CN107387483A (en) * 2017-07-20 2017-11-24 四川云达科技有限公司 Fluid pressure drive device on natural gas
CN108213402A (en) * 2016-12-15 2018-06-29 上海梅山钢铁股份有限公司 A kind of steel ladle sliding plate hydraulic driving mechanism cooling device

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102128186A (en) * 2011-03-24 2011-07-20 莱芜钢铁股份有限公司 Water and air double-cooled hydraulic cylinder
CN104295555A (en) * 2013-09-11 2015-01-21 昆山新金福精密电子有限公司 Hydraulic cylinder of novel seal structure
CN103939414A (en) * 2014-05-08 2014-07-23 无锡市长江液压缸厂 Quick water cooling waterproof sleeve oil cylinder
CN104399962A (en) * 2014-11-13 2015-03-11 甘肃酒钢集团宏兴钢铁股份有限公司 Cooling device for hydraulic cylinder on sliding gate of continuous casting machine and assembly method and use method of cooling device
CN104399962B (en) * 2014-11-13 2016-06-29 甘肃酒钢集团宏兴钢铁股份有限公司 The assemble method of conticaster slide gate nozzle hydraulic cylinder chiller
CN106077394A (en) * 2016-07-29 2016-11-09 宜兴市鑫锤锻压设备有限公司 A kind of air-cooled compression cylinder of pneumatic hammer
CN108213402A (en) * 2016-12-15 2018-06-29 上海梅山钢铁股份有限公司 A kind of steel ladle sliding plate hydraulic driving mechanism cooling device
CN106593995A (en) * 2016-12-23 2017-04-26 中国航天空气动力技术研究院 Water-cooling air cylinder
CN107387483A (en) * 2017-07-20 2017-11-24 四川云达科技有限公司 Fluid pressure drive device on natural gas

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