CN214366971U - High-temperature-resistant long-service-life lengthened oil cylinder - Google Patents
High-temperature-resistant long-service-life lengthened oil cylinder Download PDFInfo
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- CN214366971U CN214366971U CN202022112820.3U CN202022112820U CN214366971U CN 214366971 U CN214366971 U CN 214366971U CN 202022112820 U CN202022112820 U CN 202022112820U CN 214366971 U CN214366971 U CN 214366971U
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Abstract
The utility model discloses a high temperature resistant long life extension hydro-cylinder includes: a piston rod, an upper piston cylinder, a lower piston cylinder, a piston, an oil outlet, an oil inlet, a screw rod, an adjusting nut, an oil pipe, a flange front cover, a flange rear cover and a middle bracket, the sealing ring is arranged in one end of the upper piston cylinder close to the flange front cover, the piston is provided with the piston sealing ring, the length of the whole piston cylinder is 3-4 times of the length of the existing piston cylinder by additionally arranging the lower piston cylinder, the oil cylinder sealing ring is far away from a high-temperature area in the continuous casting steel production, the problems of poor oil cylinder sealing effect and insufficient pressure and incapability of the oil cylinder caused by damage of the sealing ring due to continuous high temperature are avoided, and the metal sealing ring is arranged at the position of the piston, can effectively guarantee that the hydro-cylinder normally works under high temperature state and not produce the leakage phenomenon, the utility model provides an at overall structure simple, design scientific and reasonable, high temperature resistant is effectual, has effectively prolonged the sealed life of hydro-cylinder.
Description
Technical Field
The utility model relates to a refractory material continuous casting processing technology field, in particular to high temperature resistant long life extension hydro-cylinder.
Background
The oil cylinder is a linear motion type actuating element with output force in direct proportion to the effective area of the piston and the pressure difference between two sides of the piston. The hydraulic energy is converted into mechanical energy, the flow and pressure of fluid are input into the oil cylinder, and the linear motion speed and force are output, and the hydraulic energy is converted into the energy conversion device of the mechanical energy of the reciprocating linear motion.
In the continuous casting process, the temperature is high, the flowing of the molten steel cannot be controlled manually, the flowing of the molten steel needs to be controlled by using the oil cylinder, when production is not needed or a tundish nozzle needs to be maintained, the molten steel inlet can be blocked by using the oil cylinder, and after the production or maintenance is needed, the molten steel inlet can be opened by using the oil cylinder to carry out normal production. The oil cylinder in the prior art has poor high temperature resistance, the used sealing rubber can be damaged in a high-temperature environment, the oil leakage of the oil cylinder is caused, the pressure is insufficient, the flowing of molten steel cannot be controlled, and the safety accident is easy to happen.
The utility model discloses with provide a high temperature resistant long life extension hydro-cylinder and solve above-mentioned technical problem.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome that current hydro-cylinder high temperature resistance can be poor, and the sealing rubber who uses can damage in high temperature environment, causes the hydro-cylinder oil leak, and pressure is not enough, and the technical problem of the emergence of incident easily is caused in the flow of uncontrollable molten steel, provides a high temperature resistant long life extension hydro-cylinder, and it has stronger high temperature resistance, and its life is 3-4 times of current hydro-cylinder life, satisfies the production demand of continuous casting steel.
For realizing the purpose of the utility model, the utility model adopts the technical scheme that: including piston rod 1, upper piston cylinder 2, lower piston cylinder 3, piston 4, oil-out 5, oil inlet 6, lead screw 7, adjusting nut 8, oil pipe 9, flange protecgulum 10, lid 11 and middle support 12 behind the flange, upper piston cylinder 2 links together through the welded mode with lower piston cylinder 3, flange protecgulum 10 links together through lead screw 7 with middle support 12, the upper end of oil pipe 9 is fixed in the one end that lower piston cylinder 3 is close to middle support 12 through the welded mode, the lower extreme of oil pipe 9 is fixed in the bottom of lower piston cylinder 3 through the welded mode, oil-out 5 is located the bottom of lower piston cylinder 3, the inside sealing washer 13 that is equipped with of one end that upper piston cylinder 2 is close to flange protecgulum 10, be equipped with piston seal 14 on the piston 4.
Further, the piston sealing ring 14 is a metal sealing ring.
Further, the sealing ring 13 is made of polytetrafluoroethylene.
Further, the material of the piston rod 1 is 45# steel, and the material of the upper piston cylinder 2, the material of the lower piston cylinder 3 and the material of the oil pipe 9 are cast steel.
Further, the screw shafts 7 have four.
Further, the length of the lower piston cylinder 3 is 2-3 times of the length of the upper piston cylinder 2.
Compared with the prior art, the utility model has the advantages that: the length of the whole piston cylinder is 3-4 times of the length of the existing piston cylinder (the length of the piston rod matched with the piston cylinder for use is 3-4 times of the length of the existing piston rod), so that the oil cylinder sealing ring is far away from a high-temperature area in continuous casting steel production, the sealing effect of the oil cylinder is prevented from being influenced due to the fact that the sealing ring is damaged by continuous high temperature, the differential pressure of the sealing effect of the oil cylinder is insufficient, the oil cylinder cannot work, the flowing of molten steel cannot be controlled, and the occurrence of a steel flowing safety accident is easy to cause. The utility model provides a hydro-cylinder overall design simple structure, high temperature resistant is effectual, has effectively prolonged the sealed life of hydro-cylinder, and its life is 3-4 times current hydro-cylinder life.
Drawings
FIG. 1 is a sectional view of a high temperature resistant long life lengthened cylinder structure of the present invention;
FIG. 2 is a schematic structural view of a high temperature resistant long life lengthening oil cylinder of the present invention;
FIG. 3 is a schematic view taken along the direction A in FIG. 2;
in the figure: 1. a piston rod; 2. an upper piston cylinder; 3. a lower piston cylinder; 4. a piston; 5. an oil outlet; 6. an oil inlet; 7. a screw shaft; 8. adjusting the screw cap; 9. an oil pipe; 10, a flange front cover; 11. a flange rear cover; 12. a middle support; 13. a seal ring; 14. and a piston seal ring.
Detailed Description
In view of the deficiencies in the prior art, the technical solution of the present invention can be provided through long-term research and a large amount of practice. The technical solution in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention.
Fig. 1 is the embodiment of the utility model provides a high temperature resistant long life extension hydro-cylinder structure sketch map, fig. 2 is the utility model discloses a high temperature resistant long life extension hydro-cylinder anti-oxidation device's structure sketch map. As shown in fig. 1 and fig. 2, the embodiment of the present invention provides a high temperature resistant long life lengthening oil cylinder: including piston rod 1, upper piston cylinder 2, lower piston cylinder 3, piston 4, oil-out 5, oil inlet 6, lead screw 7, adjusting nut 8, oil pipe 9, flange protecgulum 10, lid 11 and middle support 12 behind the flange, upper piston cylinder 2 links together through the welded mode with lower piston cylinder 3, flange protecgulum 10 links together through lead screw 7 with middle support 12, the upper end of oil pipe 9 is fixed in the one end that lower piston cylinder 3 is close to middle support 12 through the welded mode, the lower extreme of oil pipe 9 is fixed in the bottom of lower piston cylinder 3 through the welded mode, oil-out 5 is located the bottom of lower piston cylinder 3, the inside sealing washer 13 that is equipped with of one end that upper piston cylinder 2 is close to flange protecgulum 10, be equipped with piston seal 14 on the piston 4.
Preferably, the piston seal ring 14 is a metal seal ring.
Preferably, the sealing ring 13 is made of polytetrafluoroethylene.
Preferably, the material of the piston rod 1 is 45# steel, and the material of the upper piston cylinder 2, the lower piston cylinder 3 and the oil pipe 9 is cast steel.
Preferably, there are four of the lead screws 7.
Preferably, the length of the lower piston cylinder 3 is 2 to 3 times the length of the upper piston cylinder 2.
The utility model discloses beneficial effect includes: the length of the whole piston cylinder is 3-4 times of the length of the existing piston cylinder (the length of the piston rod matched with the piston cylinder for use is 3-4 times of the length of the existing piston rod), so that the oil cylinder sealing ring is far away from a high-temperature area in continuous casting steel production, the sealing effect of the oil cylinder is prevented from being influenced due to the fact that the sealing ring is damaged by continuous high temperature, the differential pressure of the sealing effect of the oil cylinder is insufficient, the oil cylinder cannot work, the flowing of molten steel cannot be controlled, and the occurrence of a steel flowing safety accident is easy to cause. The utility model provides a hydro-cylinder overall design simple structure, high temperature resistant is effectual, has effectively prolonged the sealed life of hydro-cylinder, and its life is 3-4 times current hydro-cylinder life.
The utility model provides a pair of high temperature resistant long life extension hydro-cylinder, it should be understood, above-mentioned embodiment is only for the description the utility model discloses a technical conception and characteristics, its aim at let the personage of familiar with this technique can understand the utility model discloses a content and according to in order to implement, can not restrict with this the utility model discloses a protection scope. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.
Claims (6)
1. The utility model provides a high temperature resistant long life extension hydro-cylinder which characterized in that includes: the oil-saving piston comprises a piston rod (1), an upper piston cylinder (2), a lower piston cylinder (3), a piston (4), an oil outlet (5), an oil inlet (6), a screw rod (7), an adjusting nut (8), an oil pipe (9), a flange front cover (10), a flange rear cover (11) and a middle support (12), wherein the upper piston cylinder (2) is connected with the lower piston cylinder (3) in a welding mode, the flange front cover (10) is connected with the middle support (12) through the screw rod (7), the upper end of the oil pipe (9) is fixed at one end, close to the middle support (12), of the lower piston cylinder (3) in a welding mode, the lower end of the oil pipe (9) is fixed at the bottom of the lower piston cylinder (3) in a welding mode, the oil outlet (5) is located at the bottom of the lower piston cylinder (3), a sealing ring (13) is arranged inside one end, close to the flange front cover (10), of the upper piston cylinder (2), and a piston sealing ring (14) is arranged on the piston (4).
2. The high-temperature-resistant long-life lengthened oil cylinder as claimed in claim 1, wherein: the piston sealing ring (14) is a metal sealing ring.
3. The high-temperature-resistant long-life lengthened oil cylinder as claimed in claim 1, wherein: the sealing ring (13) is made of polytetrafluoroethylene.
4. The high-temperature-resistant long-life lengthened oil cylinder as claimed in claim 1, wherein: the piston rod (1) is made of 45# steel, and the upper piston cylinder (2), the lower piston cylinder (3) and the oil pipe (9) are made of cast steel.
5. The high-temperature-resistant long-life lengthened oil cylinder as claimed in claim 1, wherein: the number of the screw rods (7) is four.
6. The high-temperature-resistant long-life lengthened oil cylinder as claimed in claim 1, wherein: the length of the lower piston cylinder (3) is 2-3 times of the length of the upper piston cylinder (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022112820.3U CN214366971U (en) | 2020-09-24 | 2020-09-24 | High-temperature-resistant long-service-life lengthened oil cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022112820.3U CN214366971U (en) | 2020-09-24 | 2020-09-24 | High-temperature-resistant long-service-life lengthened oil cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214366971U true CN214366971U (en) | 2021-10-08 |
Family
ID=77931548
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022112820.3U Active CN214366971U (en) | 2020-09-24 | 2020-09-24 | High-temperature-resistant long-service-life lengthened oil cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214366971U (en) |
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2020
- 2020-09-24 CN CN202022112820.3U patent/CN214366971U/en active Active
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