CN217026007U - Air cooling hydraulic cylinder for oversize converter sliding plate slag-stopping and tapping device - Google Patents
Air cooling hydraulic cylinder for oversize converter sliding plate slag-stopping and tapping device Download PDFInfo
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- CN217026007U CN217026007U CN202123409367.3U CN202123409367U CN217026007U CN 217026007 U CN217026007 U CN 217026007U CN 202123409367 U CN202123409367 U CN 202123409367U CN 217026007 U CN217026007 U CN 217026007U
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Abstract
The utility model discloses an air cooling hydraulic cylinder for an oversize converter sliding plate slag blocking and tapping device, which comprises a hydraulic cylinder and a mounting seat arranged on the hydraulic cylinder, wherein an outer cylinder barrel is arranged on the outer side of the hydraulic cylinder, a cooling gas channel is arranged between the outer cylinder barrel and the outer side of the hydraulic cylinder, an annular sealing plate is arranged on the rear side of the outer cylinder barrel, a cooling piece sleeved on the outer side of a piston rod of the hydraulic cylinder is arranged on the front side of the outer cylinder barrel, an airflow channel communicated with the cooling gas channel is arranged on the inner side of the cooling piece, a plurality of groups of outer discharge gaps for purging the piston rod of the hydraulic cylinder are arranged on the inner wall of the cooling piece, and an air inlet nozzle is arranged at the lower part of the rear side of the outer cylinder barrel. Come to insulate against heat the protection to the pneumatic cylinder through outer cylinder section of thick bamboo, prevent that the sealing member from leading to losing efficacy by the high temperature under the operating mode environment on the pneumatic cylinder to blow and sweep its piston rod through the outer gap of arranging on it, a pair of piston rod cooling, two pairs of piston rod surfaces are blown and are swept, prevent that spot such as dust makes it break away from getting off on its surface, and then guarantee the permanent use of pneumatic cylinder.
Description
Technical Field
The utility model belongs to the field of converter steelmaking, and particularly relates to an air-cooling hydraulic cylinder for an oversize converter sliding plate slag-stopping and steel-tapping device.
Background
When steel is made in the existing steel plant, the temperature of molten steel reaches about 1600-1800 ℃, and the ambient temperature around the steel outlet is very high, which can be usually as high as 700-800 ℃. Therefore, when the sliding plate slag stopping device is arranged on the steel tapping hole, the sliding plate driving oil cylinder must be forcibly cooled, and the sliding plate mechanism must be cooled and blown, so that the normal operation and the service life of the equipment can be ensured. The oil cylinder needs to be in a high-temperature environment for a long time to work, and the working temperature of the oil cylinder is not higher than 200 ℃. Therefore, the oil cylinder needs to be cooled so as to prolong the service life of the oil cylinder. At present, the oil cylinder is cooled by a water cooling or air cooling mode singly, the contact between equipment and a heat source cannot be effectively blocked, and the water cooling is not suitable for metallurgical occasions such as a steel ladle and the like.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problems, the inventor obtains the technical scheme of the utility model through practice and summary, and the utility model discloses an air cooling hydraulic cylinder for an oversize converter sliding plate slag blocking and tapping device, which comprises a hydraulic cylinder and a mounting seat mounted on the hydraulic cylinder, wherein an outer cylinder barrel is mounted on the outer side of the hydraulic cylinder, a cooling gas channel is arranged between the outer cylinder barrel and the outer side of the hydraulic cylinder, an annular sealing plate is mounted on the rear side of the outer cylinder barrel, a cooling piece sleeved on the outer side of a piston rod of the hydraulic cylinder is mounted on the front side of the outer cylinder barrel, an air flow channel communicated with the cooling gas channel is arranged on the inner side of the cooling piece, a plurality of groups of outer discharge gaps for purging the piston rod of the hydraulic cylinder are arranged on the inner wall of the cooling piece, and an air inlet nozzle is arranged at the lower part of the rear side of the outer cylinder barrel. The outer cylinder barrel is installed outside the hydraulic cylinder to protect the hydraulic cylinder from heat insulation, so that a sealing element on the hydraulic cylinder is prevented from losing efficacy due to high temperature under a working condition environment, the piston rod of the sealing element is blown and swept through an outer discharge gap on the sealing element, the piston rod is cooled and cooled on one hand, and the surface of the piston rod is blown and swept on the other hand, so that dust and other stains on the surface of the piston rod are prevented from breaking away from the piston rod, and the hydraulic cylinder is guaranteed to be used for a long time.
Improvements are made in this application in that the outer cylinder tube, the annular seal plate and the cooling element are all made of or surface mounted/provided with a thermally insulating material. Make whole equipment have thermal-insulated effect through setting up thermal insulation material, guarantee its cooling effect more elegantly.
In the application, the improvement is made that the cooling piece is of a cylindrical structure, and gas exhausted from the outer discharge gap is directly blown or spirally blown on the surface of the piston rod of the hydraulic cylinder.
The improvement is made in this application as follows, should arrange the gap outward and be the equidistant distribution of circumference, and every is arranged the central line extending direction of gap outward and the contained angle homogeneous phase of the outer gap gas outlet of corresponding and pneumatic cylinder piston rod line outward. Through spin-blowing and the angle setting related to the spin-blowing, the surface of the piston rod is favorably blown, and dust and the like can be prevented from remaining in a space area between the outer discharge gap and the piston rod.
Make following improvement in this application, this cooling piece is the taper structure, and the inside on the cooling piece is provided with the recirculated cooling water storehouse, is provided with the branch way gap with arranging the gap intercommunication outward on the cooling piece, and the recirculated cooling water storehouse is made by the heat conduction material and carries out heat exchange with the branch way gap. When the piston rod is blown and swept through the outer discharge gap, a part of gas with lower temperature is brought into the piston rod to exchange heat with the circulating cooling water bin, and the cooling efficiency is improved.
In the present application, an improvement is made in that the manifold slits obliquely intersect the outer row slits along the direction of the air flow in the outer row slits.
Make following improvement in this application, be provided with the heat exchanger fin on this recirculated cooling water storehouse's the outer wall, increase its heat transfer area and do benefit to through branch road gap department gas temperature lower, improve recirculated cooling water storehouse and through the heat exchange efficiency between the branch road gap department gas.
In the application, the improvement is made that the cooling piece is also provided with an outer row of secondary gaps, and the secondary gaps and gas exhausted from the outer row of secondary gaps are directly blown or spirally blown on the surface of the piston rod of the hydraulic cylinder.
Compared with the prior art, the utility model can obtain the following technical effects:
1. compared with the prior art, the hydraulic cylinder is protected in a heat insulation mode by installing the outer cylinder barrel on the outer side of the hydraulic cylinder, the sealing element on the hydraulic cylinder is prevented from losing efficacy due to high temperature in a working condition environment, the piston rod of the hydraulic cylinder is blown and swept through the outer discharge gap on the hydraulic cylinder, the piston rod is cooled and cooled on the one hand, the surface of the piston rod is blown and swept on the other hand, dust and other stains on the surface of the piston rod are prevented from being separated, and the service life of the hydraulic cylinder is further guaranteed.
2. Compared with the prior art, the outer cylinder barrel, the annular sealing plate and the cooling part are all made of heat insulation materials or are provided with/arranged on the surfaces of the outer cylinder barrel, the whole equipment has a heat insulation effect through the arrangement of the heat insulation materials, and the cooling effect is guaranteed to be more excellent.
3. Compared with the prior art, the outer discharge gaps are distributed at equal intervals in the circumferential direction, the extension direction of the central line of each outer discharge gap is equal to the included angle between the air outlet of the corresponding outer discharge gap and the connecting line of the piston rod of the hydraulic cylinder, the surface of the piston rod is favorably swept and blown by rotating and the related angle setting, and dust and the like can be prevented from remaining in the space area between the outer discharge gaps and the piston rod.
4. Compared with the prior art, the cooling part is of a conical structure, the circulating cooling water bin is arranged inside the cooling part, the cooling part is provided with a branch passage gap communicated with the outer discharge gap, and the circulating cooling water bin is made of heat conduction materials and exchanges heat with the branch passage gap. When the piston rod is blown and swept through the outer discharge gap, a part of gas with lower temperature is brought into the circulating cooling water bin after heat exchange, and the cooling efficiency is improved. The cooling piece is further provided with an outer row of secondary gaps, the surface of the piston rod of the hydraulic cylinder is directly blown or blown in a rotating mode through gas discharged from the outer row of secondary gaps, the surface of the piston rod is favorably blown and treated through rotating blowing and relevant angle setting, and meanwhile dust and the like can be prevented from remaining in a space area between the outer row of gaps and the piston rod.
Drawings
In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present invention, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view showing the structure of the joint of the cooling body and the outer cylinder tube in the overall structure of the present invention;
FIG. 3 is a cross-sectional view of the upper outer row of slits of the cooling element of the present invention in a tubular configuration;
FIG. 4 is a cross-sectional view of the outer row of apertures of the cooling element of the present invention in a conical configuration;
FIG. 5 is a cross-sectional view of the cooling element of the present invention with its internal circulation cooling water sump having a conical structure;
FIG. 6 is a cross-sectional view of the cooling element of the present invention at the secondary gap of the cooling element when the cooling element is in a cone-like configuration.
In the figure: 10. a hydraulic cylinder;
20. an outer cylinder barrel; 21. an annular seal plate; 22. a cooling member; 23. an air inlet nozzle; 24. discharging gaps outwards; 25. circulating cooling water bins; 26. a bifurcation gap; 27. and (4) arranging the secondary gaps outside.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
The application of the principles of the present invention will be further described with reference to the accompanying drawings and the specific embodiments.
Example 1: as shown in fig. 1 and 3, the air-cooled hydraulic cylinder for the sliding plate slag-stopping and steel-tapping device of the extra-large converter comprises a hydraulic cylinder 10 and a mounting seat mounted on the hydraulic cylinder 10, wherein an outer cylinder barrel 20 is mounted on the outer side of the hydraulic cylinder 10, the outer cylinder barrel 20, an annular sealing plate 21 and a cooling piece 22 are all made of heat insulation materials or are surface-mounted/provided with heat insulation materials, a cooling gas channel is arranged between the outer cylinder barrel 20 and the outer side of the hydraulic cylinder 10, the annular sealing plate 21 is mounted on the rear side of the outer cylinder barrel 20, the cooling piece 22 sleeved on the outer side of a piston rod of the hydraulic cylinder 10 is mounted on the front side of the outer cylinder barrel 20, an air flow channel communicated with the cooling gas channel is arranged on the inner side of the cooling piece 22, a plurality of groups of outer discharge gaps 24 for purging the piston rod of the hydraulic cylinder 10 are arranged on the inner wall of the cooling piece 22, and an air inlet nozzle 23 is arranged on the lower portion of the rear side of the outer cylinder barrel 20. The cooling air source is blown into the cooling air channel through the air inlet nozzle 23, in this embodiment, the cooling part 22 is preferably of a cylindrical structure, and the air discharged through the outer discharge gap 24 is directly blown or blown to the surface of the piston rod of the hydraulic cylinder 10 in a rotating manner, specifically, the outer discharge gaps 24 are circumferentially distributed at equal intervals, and the extension direction of the center line of each outer discharge gap 24 is equal to the included angle of the connecting line between the air outlet of the corresponding outer discharge gap 24 and the piston rod of the hydraulic cylinder 10. The cooling gas sweeps the surface of the piston rod through the outer discharge gap 24, the surface of the piston rod can be cleaned conveniently in a rotary blowing mode, and dust and other stains can be prevented from remaining in the area between the outer discharge gap 24 and the piston rod in a blowing mode.
Example 2: as shown in fig. 4 to 6, different from the above embodiment is: the cooling element 22 is of a conical structure, a circulating cooling water bin 25 is arranged inside the cooling element 22, a cooling water source is externally connected to the circulating cooling water bin 25, a branch gap 26 communicated with the outer discharge gap 24 is arranged on the cooling element 22, the circulating cooling water bin 25 is made of a heat conduction material and exchanges heat with the branch gap 26, the branch gap 26 is obliquely intersected with the outer discharge gap 24 along the airflow direction in the outer discharge gap 24, a heat exchange plate is arranged on the outer wall of the circulating cooling water bin 25, the heat exchange area of the gas and the circulating cooling water bin 25 can be increased by the heat exchange plate, so that the gas with lower temperature is obtained, a more efficient cooling effect is achieved, an outer discharge gap 27 is further arranged on the cooling element 22, the gas discharged from the outer discharge gap 27 is directly blown or blown onto the surface of the piston rod of the hydraulic cylinder 10, in the embodiment, preferably, the rotary blowing manner of the embodiment is adopted, and the outer discharge gap 27 is used for rotary blowing treatment on the surface, and then the gas inside the cooling part is discharged outside, before the gas is discharged, a certain negative pressure is generated under the blowing action of the outer discharge gap 24 to bring the gas inside the branch gap 26 into the channel of the outer discharge gap 24, the temperature of the gas inside the cooling part 22 after the heat exchange treatment of the circulating cooling water bin 25 is lower, and the piston rod cooling and blowing treatment is carried out on the gas.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (8)
1. The utility model provides an air cooling pneumatic cylinder for super-huge converter slide pushing off slag tapping device, a serial communication port, including pneumatic cylinder (10) and install the mount pad on pneumatic cylinder (10), outer cylinder section of thick bamboo (20) are installed to the outside of pneumatic cylinder (10), be the cooling gas passageway between outer cylinder section of thick bamboo (20) and pneumatic cylinder (10) outside, install annular sealing plate (21) on the rear side of outer cylinder section of thick bamboo (20), cooling piece (22) of suit in the pneumatic cylinder (10) piston rod outside is installed to the front side, cooling piece (22) inboard is provided with the air current passageway with the cooling gas passageway intercommunication, be provided with a plurality of groups on cooling piece (22) inner wall and sweep outer discharge gap (24) of pneumatic cylinder (10) piston rod, the rear side lower part of outer cylinder section of thick bamboo (20) is provided with suction nozzle (23).
2. An air-cooled hydraulic cylinder for an oversize converter slide plate slag-stopping tapping device according to claim 1, characterized in that the outer cylinder barrel (20), the annular sealing plate (21) and the cooling element (22) are made of or surface-mounted/provided with a heat insulating material.
3. An air-cooled hydraulic cylinder for a sliding plate slag-stopping and steel-tapping device of an oversized converter as claimed in claim 1 or 2, characterized in that the cooling member (22) is of a cylindrical structure, and gas exhausted through the outer discharge slit (24) is directly blown or spirally blown onto the surface of the piston rod of the hydraulic cylinder (10).
4. The air-cooled hydraulic cylinder for the sliding plate slag-stopping and tapping device of the oversize converter as claimed in claim 3, characterized in that the outer discharge gaps (24) are circumferentially distributed at equal intervals, and the extension direction of the central line of each outer discharge gap (24) is equal to the included angle between the gas outlet of the corresponding outer discharge gap (24) and the connecting line of the piston rod of the hydraulic cylinder (10).
5. An air-cooled hydraulic cylinder for an oversize converter sliding plate slag-stopping tapping device according to claim 1 or 2, characterized in that the cooling member (22) is of a cone-shaped structure, a circulating cooling water sump (25) is arranged inside the cooling member (22), a manifold gap (26) communicated with the outer discharge gap (24) is arranged on the cooling member (22), and the circulating cooling water sump (25) is made of a heat-conducting material and exchanges heat with the manifold gap (26).
6. An air-cooled hydraulic cylinder for an oversized converter slide plate slag-stopping steel tapping device according to claim 5, characterized in that the manifold gap (26) obliquely intersects the outer discharge gap (24) along the direction of the air flow in the outer discharge gap (24).
7. An air-cooled hydraulic cylinder for a sliding plate slag-stopping and steel-tapping device of an oversized converter according to claim 6, characterized in that heat exchange fins are arranged on the outer wall of the circulating cooling water bin (25).
8. An air-cooled hydraulic cylinder for a sliding plate slag-stopping and steel-tapping device of an oversized converter according to claim 6, characterized in that the cooling piece (22) is further provided with an outer row of secondary gaps (27), and the surface of a piston rod of the hydraulic cylinder (10) is directly blown or spirally blown by gas exhausted from the outer row of secondary gaps (27).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123409367.3U CN217026007U (en) | 2021-12-31 | 2021-12-31 | Air cooling hydraulic cylinder for oversize converter sliding plate slag-stopping and tapping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123409367.3U CN217026007U (en) | 2021-12-31 | 2021-12-31 | Air cooling hydraulic cylinder for oversize converter sliding plate slag-stopping and tapping device |
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| Publication Number | Publication Date |
|---|---|
| CN217026007U true CN217026007U (en) | 2022-07-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202123409367.3U Active CN217026007U (en) | 2021-12-31 | 2021-12-31 | Air cooling hydraulic cylinder for oversize converter sliding plate slag-stopping and tapping device |
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| CN (1) | CN217026007U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117722413A (en) * | 2023-11-29 | 2024-03-19 | 江苏亚力亚气动液压成套设备有限公司 | Multistage sealed hydraulic cylinder |
-
2021
- 2021-12-31 CN CN202123409367.3U patent/CN217026007U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117722413A (en) * | 2023-11-29 | 2024-03-19 | 江苏亚力亚气动液压成套设备有限公司 | Multistage sealed hydraulic cylinder |
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