CN220689735U - Crucible roll-over stand - Google Patents
Crucible roll-over stand Download PDFInfo
- Publication number
- CN220689735U CN220689735U CN202322136309.0U CN202322136309U CN220689735U CN 220689735 U CN220689735 U CN 220689735U CN 202322136309 U CN202322136309 U CN 202322136309U CN 220689735 U CN220689735 U CN 220689735U
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- crucible
- bearing
- table top
- rotating
- frame
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- 239000010687 lubricating oil Substances 0.000 claims abstract description 11
- 230000000712 assembly Effects 0.000 claims abstract description 9
- 238000000429 assembly Methods 0.000 claims abstract description 9
- 239000003921 oil Substances 0.000 claims description 5
- 238000002347 injection Methods 0.000 claims description 3
- 239000007924 injection Substances 0.000 claims description 3
- 230000002035 prolonged effect Effects 0.000 abstract description 5
- 239000010720 hydraulic oil Substances 0.000 description 6
- 238000005299 abrasion Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000003723 Smelting Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 241001062472 Stokellia anisodon Species 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
Landscapes
- Rolls And Other Rotary Bodies (AREA)
Abstract
The utility model discloses a crucible overturning frame, and relates to the technical field of medium-frequency electric furnaces. The crucible overturning frame provided by the utility model comprises a frame, a crucible table top, a crucible and a plurality of rotating assemblies; the crucible is arranged on the crucible table top, and the top of the crucible is level with the crucible table top; the crucible table top is arranged at the top of the frame, and one side of the crucible table top is connected with the frame through a plurality of rotating assemblies; the bottom of the rotating component is connected with the frame; the rotating assembly comprises a shaft sleeve, a bearing and a rotating shaft; the shaft sleeve is internally provided with a cavity, the bearing is arranged in the cavity, a gap exists between the bearing and the inner wall of the cavity, and lubricating oil is filled in the gap; the bearing sleeve is arranged on the rotating shaft, and two ends of the rotating shaft are connected with the crucible table top. According to the embodiment provided by the utility model, the bearing can be smoothly turned over, so that the bearing is prevented from being worn due to long-time load, further, the wire outlet with the phenomenon of limited turning or locking of the rotating shaft is avoided, and the service life of the device is prolonged.
Description
Technical Field
The utility model relates to the technical field of medium-frequency electric furnaces, in particular to a crucible overturning frame.
Background
The medium frequency electric furnace utilizes alternating current to smelt alloy in the crucible, has the characteristics of high heat efficiency and short smelting time, and the crucible is obliquely, overturned and poured after smelting is completed.
In the prior art, a supporting body of the crucible is a frame type supporting frame, a frame positioned below the supporting body is connected with a crucible table surface in the horizontal direction by using a bearing seat and a rotating shaft, the supporting body is used for pouring the crucible, the weight of molten steel in the crucible is 220kg-420kg, and the bearing seat is worn by bearing load pressure for a long time, so that the phenomenon that the overturning is limited and even the rotating shaft is blocked is caused. In addition, the hydraulic cylinder is used below the crucible table top to jack up the table top, the upper end of the hydraulic cylinder is fixed below the crucible table top through the bearing seat, the pin shaft in the bearing seat bears load pressure for a long time, the bearing can be worn and eccentric, overload is caused by overlarge expansion and contraction amount of the hydraulic cylinder on the worn side, and the pressure in the hydraulic cylinder can be rapidly increased to enable hydraulic oil to leak.
Disclosure of Invention
In view of the above, the utility model provides a crucible roll-over stand, which can reduce bearing wear, avoid bearing rotation limitation or jamming, and improve the fluency of roll-over stand rotation.
The utility model provides a crucible roll-over stand, comprising: the crucible comprises a frame, a crucible table top, a crucible and a plurality of rotating components;
the crucible is arranged on the crucible table top, and the top of the crucible is level with the crucible table top;
the crucible table top is arranged at the top of the frame, and one side of the crucible table top is connected with the frame through a plurality of rotating assemblies;
the bottom of the rotating component is connected with the rack; the rotating assembly comprises a shaft sleeve, a bearing and a rotating shaft;
a cavity is arranged in the shaft sleeve, the bearing is arranged in the cavity, a gap exists between the bearing and the inner wall of the cavity, and lubricating oil is filled in the gap;
the bearing sleeve is arranged on the rotating shaft, and two ends of the rotating shaft are connected with the crucible table top.
In an alternative embodiment, a plurality of grooves are formed on one side of the crucible table surface connected with the frame;
the number of the grooves is not less than the number of the rotating assemblies;
the bottom of the rotating component is connected with the rack, and the rotating component stretches into the groove;
the rotating shaft of the rotating assembly is connected with the inner wall of the corresponding groove.
In an alternative embodiment, the sleeve includes a first portion and a second portion;
the first part and the second part are attached up and down, and a fixed handle is arranged on the side wall of one end of the first part and the second part, which is close to each other;
the screw passes through the fixed handles of the first part and the second part in turn to fix the first part and the second part.
In an alternative embodiment, the first portion includes an oil injection channel;
the oiling channel penetrates through the first part and is communicated with the cavity of the shaft sleeve.
In an alternative embodiment, a gasket is provided between the first portion and the second portion.
In an alternative embodiment, the bearing is a spherical bearing.
In an alternative embodiment, the crucible device further comprises a hydraulic oil cylinder, one end of the hydraulic oil cylinder is connected with the frame, and the other end of the hydraulic oil cylinder is connected with the crucible table top through a supporting component.
Compared with the prior art, the crucible overturning frame provided by the utility model has the following beneficial effects:
in the embodiment provided by the utility model, the rotating assembly is arranged between the crucible table top for bearing the crucible and the frame type stand, and can drive the crucible table top to rotate. The bearing is arranged in the cavity of the rotating assembly, lubricating oil is filled in the cavity, the bearing is wrapped by the lubricating oil, the bearing can be rotated smoothly, abrasion caused by long-time load of the bearing is avoided, further, wire outgoing caused by limited overturning or clamping of the rotating shaft is avoided, and the service life of the device is prolonged.
Of course, it is not necessary for any one product embodying the utility model to achieve all of the technical effects described above at the same time.
Other features of the present utility model and its advantages will become apparent from the following detailed description of exemplary embodiments of the utility model, which proceeds with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description, serve to explain the principles of the utility model.
FIG. 1 is a schematic view of a crucible roll-over stand according to an embodiment of the present utility model;
FIG. 2 is a schematic view of another crucible roll-over stand according to an embodiment of the present utility model;
FIG. 3 is a schematic cross-sectional view of a rotary component according to an embodiment of the present utility model;
fig. 4 is a schematic top view of a rotating assembly according to an embodiment of the utility model.
Detailed Description
Various exemplary embodiments of the present utility model will now be described in detail with reference to the accompanying drawings. It should be noted that: the relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present utility model unless it is specifically stated otherwise.
The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the utility model, its application, or uses.
Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but are intended to be part of the specification where appropriate.
In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of exemplary embodiments may have different values.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.
In the prior art, a supporting body of the crucible is a frame type supporting frame, a frame positioned below the supporting body is connected with a crucible table surface in the horizontal direction by using a bearing seat and a rotating shaft, the supporting body is used for pouring the crucible, the weight of molten steel in the crucible is 220kg-420kg, and the bearing seat is worn by bearing load pressure for a long time, so that the phenomenon that the overturning is limited and even the rotating shaft is blocked is caused. In addition, the hydraulic cylinder is used below the crucible table top to jack up the table top, the upper end of the hydraulic cylinder is fixed below the crucible table top through the bearing seat, the pin shaft in the bearing seat bears load pressure for a long time, the bearing can be worn and eccentric, overload is caused by overlarge expansion and contraction amount of the hydraulic cylinder on the worn side, and the pressure in the hydraulic cylinder can be rapidly increased to enable hydraulic oil to leak.
In order to solve the above technical problems, an embodiment of the present utility model provides a crucible roll-over stand, and is shown in fig. 1 to 3, wherein fig. 1 is a schematic structural diagram of the crucible roll-over stand according to the embodiment of the present utility model; FIG. 2 is a schematic view of another crucible roll-over stand according to an embodiment of the present utility model;
fig. 3 is a schematic cross-sectional view of a rotary assembly according to an embodiment of the utility model. The embodiment of the utility model provides a crucible roll-over stand, which comprises: a frame 1, a crucible table top 2, a crucible 3 and a plurality of rotating assemblies 4;
wherein, the crucible 3 is arranged on the crucible table top 2, and the top of the crucible 3 is level with the crucible table top 2;
the crucible table top 2 is arranged at the top of the frame 1, and one side of the crucible table top 2 is connected with the frame through a plurality of rotating assemblies 4;
the bottom of the rotating component 4 is connected with the frame 1; the rotating assembly 4 comprises a shaft sleeve 41, a bearing 42 and a rotating shaft 43;
the shaft sleeve 41 is internally provided with a cavity, the bearing 42 is arranged in the cavity, a gap exists between the bearing 42 and the inner wall of the cavity, and lubricating oil is filled in the gap;
the bearing 42 is sleeved on the rotating shaft 43, and two ends of the rotating shaft 43 are connected with the crucible table top 2.
It will be appreciated that the frame 1 is supported and the crucible table 2 is disposed on top of the frame 1 and is connected on one side to the frame 1 by a swivel assembly 4. A crucible 3 is arranged on the crucible table top 2. When the crucible 3 is poured, the side of the crucible table 2 connected with the frame 1 rotates with the rotating assembly 4 as an axis under the support of the rotating assembly 4. The crucible table 2 is lifted up, and the molten steel in the crucible 3 is poured out.
Further, the rotating assembly 4 includes a sleeve 41, a bearing 42 and a rotating shaft 43. The rotating shaft 43 passes through the bearing 42, and both ends are connected with the crucible table 2. The rotation shaft 43 can directly drive the crucible table 2 to rotate. The rotation shaft 43 passes through the bearing 42, and the bearing 42 serves to support the rotation shaft 43. The bearing 42 is disposed in the cavity of the sleeve 41, and there is a space between the bearing 42 and the sleeve 41. The gap is filled with lubricating oil, so that abrasion caused by long-time bearing of load pressure on the rotating assembly 4 due to heavy weight of the crucible 3 can be reduced, and further the phenomenon that the rotating shaft is blocked even if the overturning is limited is avoided.
In the embodiment provided by the utility model, the rotating assembly 4 is arranged between the crucible table 2 carrying the crucible 3 and the frame-type frame 1, and the rotating assembly 4 can drive the crucible table 2 to rotate. The bearing 42 is arranged in the cavity of the rotating assembly 4, lubricating oil is filled in the cavity, the bearing 42 is wrapped by the lubricating oil, the bearing 42 can be rotated smoothly and turned over, abrasion caused by long-time load of the bearing 42 is avoided, further, wire outgoing caused by limited turning over or the phenomenon of locking of the rotating shaft is avoided, and the service life of the device is prolonged.
In another alternative embodiment provided by the utility model, as shown in fig. 1 to 3, a plurality of grooves 21 are formed on the side of the crucible table 2 connected with the frame 1;
the number of grooves 21 is not less than the number of rotating assemblies 4;
the bottom of the rotating component 4 is connected with the frame 1, and the rotating component 4 extends into the groove 21;
the rotation shaft 43 of the rotation assembly 4 is connected with the inner wall of the corresponding recess 21.
It will be appreciated that a plurality of grooves 21 are provided in the side of the crucible table 2 which is connected to the frame 1. In the vertical direction, the recess 21 extends through the crucible table 2. The number of grooves 21 is not less than the number of rotating members 4, and in general, the number of grooves 21 is the same as the number of rotating members 4, and any one groove 21 corresponds to one rotating member 4.
Further, the bottom of the rotating assembly 4 is connected with the frame 1, and the rotating assembly 4 extends upwards into the groove 21. The rotation shaft 43 of the rotation assembly 4 is connected with the inner wall of the recess 21. Thus, when the rotation shaft 43 rotates, the crucible table 2 can be rotated.
In an alternative embodiment provided by the present utility model, sleeve 41 includes a first portion 411 and a second portion 412;
the first part 411 and the second part 412 are attached up and down, and the side wall of one end of the first part 411 and the second part 412, which is close to each other, is provided with a fixed handle 44;
the screw 45 passes through the fixing knob 44 of the first part 411 and the second part 412 in turn, fixing the first part 411 and the second part 412.
It will be appreciated that the sleeve 41 comprises a first portion 411 and a second portion 412, the first portion 411 and the second portion 412 each being semi-circular spheres, and the first portion 411 and the second portion 412 being disposed one above the other. The opposing faces of the first portion 411 and the second portion 412 may be bonded to form a cavity in the sleeve 41.
Further, the side walls of the first portion 411 and the second portion 412 are provided with a fixed handle 44. The fixed handle 44 is located on the side of the first portion 411 and the second portion 412 that are adjacent to each other, and is disposed opposite to each other. The first portion 411 or the second portion 412 is provided with at least two fixed handles 44. Either screw 45 is threaded through oppositely disposed fixed handles 44 on the first portion 411 and the second portion 412, respectively, and is capable of tightening the first portion 411 and the second portion 412.
The shaft sleeve 41 is arranged as the first part 411 and the second part 412 which can be detached, so that when the bearing 42 is worn, the bearing 42 can be replaced in time, the phenomenon of limited rotation and clamping of the bearing 42 is avoided, the production safety is improved, and the service life of the whole structure of the equipment is prolonged.
In another alternative embodiment of the present utility model, reference is made to fig. 3 and 4, where fig. 4 is a schematic top view of a rotating assembly according to an embodiment of the present utility model. The first portion 411 includes the oil injection channel 46;
the oil filling channel 46 extends through the first portion 411 and communicates with the cavity of the sleeve 41.
It will be appreciated that the first portion 411, i.e. the portion of the sleeve 41 located at the upper portion, is provided with an oiling channel 46, the oiling channel 46 extending through the first portion 411 to communicate the outside with the cavity of the sleeve 41. In this way, the lubrication fluid can be supplied to the wall of the sleeve 41 through the lubrication passage 46 at any time.
In an alternative embodiment of the present utility model, as shown with continued reference to fig. 3, a gasket 47 is provided between the first portion 411 and the second portion 412.
It will be appreciated that the gasket 47 is used to locate the gap oil leak caused by the surrounding first portion 411 and second portion 412.
In an alternative embodiment provided by the present utility model, the bearing 42 is a spherical bearing.
It will be appreciated that a ball bearing is one type of rolling bearing, and that ball bearings are mounted intermediate the inner and outer rims and are capable of carrying large loads. The bearing 42 in the embodiment of the utility model adopts a spherical bearing to improve the bearing capacity of the rotating component 4 on the crucible table top 2 and the crucible 3
In another alternative embodiment provided by the utility model, with continued reference to fig. 1, the crucible roll-over stand further comprises a hydraulic cylinder 5, one end of the hydraulic cylinder 5 is connected with the frame 1, and the other end of the hydraulic cylinder 5 is connected with the crucible table 2 through a support assembly 6.
It will be appreciated that the hydraulic cylinders 5 are provided on opposite sides of the crucible table 2, and that one end of the hydraulic cylinder 5 is connected to the frame 1 and the other end is connected to the side of the crucible table 2.
Specifically, the hydraulic cylinder 5 is a linear actuator capable of converting hydraulic energy into mechanical energy. In the embodiment of the utility model, the bottom of the hydraulic cylinder 5 is connected with the frame 1, and the frame 1 can fix the hydraulic cylinder 5. The hydraulic cylinder 5 can longitudinally stretch out and draw back, the top of the hydraulic cylinder 5 is connected with the crucible table top 2 through the supporting component 6, the crucible table top 2 can be lifted up on one side under the action of the hydraulic cylinder 5, and meanwhile, the crucible table top is turned over by taking one side connected with the frame 1 as an axis.
Further, the support member 6 may adopt a structure of the rotation member 4. The bottom of the shaft sleeve 41 of the rotating assembly 4 is connected with the top of the hydraulic cylinder 5, the rotating shaft 43 passes through the bearing 42, and one end of the rotating shaft 43 is connected with the side surface of the crucible table 2. This can prevent the hydraulic cylinder 5 from being overloaded by the force applied to the crucible table 2 from below, and further prevent the hydraulic oil from leaking due to the possibility that the pressure in the hydraulic cylinder 5 increases sharply.
In summary, the crucible roll-over stand provided by the utility model at least has the following beneficial effects:
in the embodiment provided by the utility model, the rotating assembly is arranged between the crucible table top for bearing the crucible and the frame type stand, and can drive the crucible table top to rotate. The bearing is arranged in the cavity of the rotating assembly, lubricating oil is filled in the cavity, the bearing is wrapped by the lubricating oil, the bearing can be rotated smoothly, abrasion caused by long-time load of the bearing is avoided, further, wire outgoing caused by limited overturning or clamping of the rotating shaft is avoided, and the service life of the device is prolonged.
While certain specific embodiments of the utility model have been described in detail by way of example, it will be appreciated by those skilled in the art that the above examples are for illustration only and are not intended to limit the scope of the utility model. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the utility model. The scope of the utility model is defined by the appended claims.
Claims (7)
1. A crucible roll-over stand, comprising: the crucible comprises a frame, a crucible table top, a crucible and a plurality of rotating components;
the crucible is arranged on the crucible table top, and the top of the crucible is level with the crucible table top;
the crucible table top is arranged at the top of the frame, and one side of the crucible table top is connected with the frame through a plurality of rotating assemblies;
the bottom of the rotating component is connected with the rack; the rotating assembly comprises a shaft sleeve, a bearing and a rotating shaft;
a cavity is arranged in the shaft sleeve, the bearing is arranged in the cavity, a gap exists between the bearing and the inner wall of the cavity, and lubricating oil is filled in the gap;
the bearing sleeve is arranged on the rotating shaft, and two ends of the rotating shaft are connected with the crucible table top.
2. The crucible roll-over stand of claim 1, wherein a plurality of grooves are formed in a side of the crucible table surface connected with the frame;
the number of the grooves is not less than the number of the rotating assemblies;
the bottom of the rotating component is connected with the rack, and the rotating component stretches into the groove;
the rotating shaft of the rotating assembly is connected with the inner wall of the corresponding groove.
3. The crucible roll-over stand of claim 1, wherein the sleeve includes a first portion and a second portion;
the first part and the second part are attached up and down, and a fixed handle is arranged on the side wall of one end of the first part and the second part, which is close to each other;
the screw passes through the fixed handles of the first part and the second part in turn to fix the first part and the second part.
4. The crucible roll-over stand of claim 3, wherein the first portion includes an oil injection channel;
the oiling channel penetrates through the first part and is communicated with the cavity of the shaft sleeve.
5. The crucible roll-over stand of claim 3, wherein a gasket is disposed between the first portion and the second portion.
6. The crucible roll-over stand of claim 1, wherein the bearing is a spherical bearing.
7. The crucible roll-over stand of claim 1, further comprising a hydraulic ram, wherein one end of the hydraulic ram is connected to the frame and the other end of the hydraulic ram is connected to the crucible table top via a support assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322136309.0U CN220689735U (en) | 2023-08-09 | 2023-08-09 | Crucible roll-over stand |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322136309.0U CN220689735U (en) | 2023-08-09 | 2023-08-09 | Crucible roll-over stand |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220689735U true CN220689735U (en) | 2024-03-29 |
Family
ID=90377551
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322136309.0U Active CN220689735U (en) | 2023-08-09 | 2023-08-09 | Crucible roll-over stand |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220689735U (en) |
-
2023
- 2023-08-09 CN CN202322136309.0U patent/CN220689735U/en active Active
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