Cathode lifting device

Abstract

The utility model relates to the technical field of rare earth alloy production equipment, and discloses a cathode lifting device, which comprises a telescopic component, a lifting component and a lifting component, the lifting assembly is connected with the telescopic assembly; the lifting assembly comprises a base column provided with rotating rods in an embedded mode, and the rotating rods comprise the front rotating rod, the middle rotating rod and the rear rotating rod. The first-stage lifting column is movably embedded in the base column, and the first-stage lifting column is connected with the lifting pair of the middle rotating rod; the second-stage lifting column is movably embedded in the first lifting column, and the second-stage lifting column is connected with the lifting pair of the rear rotating rod; the first-stage lifting column and the second-stage lifting column simultaneously and independently ascend and descend; according to the cathode lifting device provided by the utility model, through the arrangement of a two-stage lifting structure, the lifting stability is greatly improved, the lifting height is transitioned, the lifting requirement of a longer cathode is met, the first-stage lifting column and the second-stage lifting column simultaneously ascend and cooperatively work, the lifting distance in unit time is higher, the production efficiency is improved, and the production cost is reduced. The requirements of large-scale industrial production are met.

Description

Technical Field

[0001] This utility model relates to the technical field of rare earth alloy production equipment, specifically to a cathode lifting device. Background Technology

[0002] In the production process of rare earth ferroalloys, the lifting operation of the consumable iron cathode is a crucial step; however, the traditional lifting mechanism in the existing technology has many problems in operation.

[0003] First, traditional lifting platforms have poor stability during lifting, causing the cathode to easily sway, which not only affects the stability of the production process but may also damage the production equipment. Second, the lifting height of the lifting device is limited. Due to the long length of the cathode, traditional lifting platforms need to be designed with a high overall height to accommodate the lifting of the cathode. This not only increases the difficulty of equipment manufacturing, installation and control but also occupies more space resources, further affecting production efficiency and product quality. Utility Model Content

[0004] In view of this, the present invention provides a cathode lifting device to solve the problems of poor stability and limited lifting height of existing lifting machines during the lifting process, which require the design of a higher overall height to accommodate the lifting of the cathode.

[0005] This utility model provides a cathode lifting device, comprising: a telescopic assembly on which a cathode is disposed; and a lifting assembly connected to the telescopic assembly, adapted to drive the telescopic assembly and the cathode to move up and down; the lifting assembly includes: a base column, at least three rotating rods embedded in the base column; the at least three rotating rods are a front rotating rod, a middle rotating rod, and a rear rotating rod, a first lifting joint sleeved on the middle rotating rod, and a second lifting joint sleeved on the rear rotating rod; a primary lifting column movably embedded in the base column, the primary lifting column being connected to the first lifting joint, the first lifting joint moving up and down when the middle rotating rod rotates; and a secondary lifting column movably embedded in the first lifting column, the secondary lifting column being connected to the second lifting joint, the secondary lifting joint moving up and down when the rear rotating rod rotates; wherein, the front rotating rod is drivenly connected to a power assembly, the middle rotating rod is drivenly connected to both the front and rear rotating rods, and the front rotating rod drives the middle and rear rotating rods to rotate, adapted to cause the primary and secondary lifting columns to move up and down simultaneously and independently.

[0006] In one optional embodiment, the primary lifting column comprises a first column frame and a first upper mounting seat and a first lower mounting seat respectively fixed to both ends of the first column frame; wherein, the secondary lifting column is movably disposed at the first column frame and extends through the first upper mounting seat; the front rotating rod and the middle rotating rod are respectively disposed through the first lower mounting seat, and the end of the rear rotating rod is rotatably connected to the first lower mounting seat; the lifting joints of the front rotating rod and the middle rotating rod are respectively connected to the first lower mounting seat, and the front rotating rod and the middle rotating rod are adapted to drive the first lower mounting seat and the primary lifting column to move up and down when rotating.

[0007] In one optional embodiment, the secondary lifting column consists of a second column frame and a second upper mounting seat and a second lower mounting seat respectively fixed at both ends of the second column frame; the front rotating rod, the middle rotating rod and the rear rotating rod are respectively disposed through the second lower mounting seat; the lifting joint of the rear rotating rod is connected to the second lower mounting seat, and the rear rotating rod is adapted to drive the second lower mounting seat and the secondary lifting column to move up and down when rotating.

[0008] In one optional embodiment, the base column includes an upper column section and a lower column section, with a flange provided between the upper column section and the lower column section; a base mounting seat is provided at the top of the upper column section, and a lower base mounting seat is provided at the bottom of the lower column section; the primary lifting column is disposed through the base mounting seat.

[0009] In one optional embodiment, a first guide wheel is provided at the first lower mounting base, and the first guide wheel contacts the inner wall of the lower column segment; a second guide wheel is provided at the second lower mounting base, and the second guide wheel contacts the inner wall of the first column frame.

[0010] In one optional embodiment, one end of the front rotating rod and the middle rotating rod are rotatably mounted at the mounting base under the foundation of the base column; one end of the rear rotating rod is rotatably mounted at the first lower mounting base of the primary lifting column.

[0011] In one alternative embodiment, the telescopic assembly is rotatably mounted on the secondary lifting column by means of a rotating assembly.

[0012] In one optional embodiment, the telescopic assembly includes an outer frame and a horizontal row. The outer frame is rotatably connected to the secondary lifting column via a rotating assembly. The horizontal row extends horizontally and is movably disposed at the outer frame via a lead screw. A first bracket is fixed at the outer frame, and a second bracket is fixed at the horizontal row. The lead screw is rotatably connected to the first bracket via a rotating member, which is adapted to prevent the lead screw from moving back and forth horizontally. The lead screw is drively connected to the second bracket via a nut, wherein the nut is fixed to the second bracket and sleeved on the lead screw. The lead screw is adapted to drive the second bracket and the horizontal row to move horizontally via the nut when rotated in a controlled manner.

[0013] In one optional embodiment, the rotating assembly includes: a mounting base plate fixed to the secondary lifting column; a first driving member disposed at the mounting base plate; and a rotating shaft fixed to the outer frame and rotatably disposed at the secondary lifting column. The output shaft of the first driving member is connected to the rotating shaft via a first transmission assembly, adapted to drive the rotating shaft to rotate around an axis and drive the telescopic assembly to rotate. The first transmission assembly includes at least two sprockets and a chain sleeved on the at least two sprockets, and the at least two sprockets are respectively connected to the rotating shaft and the output shaft of the first driving member.

[0014] In one optional embodiment, the power assembly includes a second drive member, a drive shaft, and a fixed base; the fixed base is fixed to the flange; one end of the drive shaft is connected to the first drive member via a second transmission assembly, and the other end is connected to the front rotating rod via a third transmission assembly; the second transmission assembly includes at least two sprockets and a chain sleeved on the at least two sprockets, and the at least two sprockets are respectively connected to the drive shaft and the output shaft of the second drive member; the third transmission assembly includes at least two sprockets and a chain sleeved on the at least two sprockets, and the at least two sprockets are respectively connected to the drive shaft and the front rotating rod.

[0015] Beneficial effects: On the one hand, the two-stage lifting mechanism greatly improves the stability of lifting and allows for a leap in lifting height, meeting the lifting requirements of longer cathodes; the primary and secondary lifting columns can rise simultaneously and work in coordination, resulting in a greater lifting distance and a faster lifting speed per unit lifting distance, thereby improving production efficiency; on the other hand, the reduced energy consumption of the power source during operation not only helps save energy but also reduces equipment wear and failure rate, extending equipment lifespan; the multi-stage lifting mechanism makes the entire device compact, occupying less space, while meeting the industrial needs of large-scale production; in addition, the telescopic and rotating components allow for flexible adjustment of the cathode in both horizontal and vertical directions, further enhancing the practicality of the device; the multi-stage lifting column design allows the overall height to be lowered when lifting is not needed, thereby reducing storage space and improving the equipment's adaptability to different environments. Attached Figure Description

[0016] To more clearly illustrate the specific embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0017] Figure 1 This is a partial cross-sectional schematic diagram of the cathode lifting device of this utility model;

[0018] Figure 2 This is a schematic diagram of the cathode lifting device of this utility model;

[0019] Figure 3 This is a cross-sectional schematic diagram of the rotating rod of the cathode lifting device of this utility model;

[0020] Figure 4 This is a front view of the telescopic component of this utility model;

[0021] Figure 5 This is a schematic diagram of the structure of the telescopic component of this utility model.

[0022] Explanation of reference numerals in the attached figures:

[0023] 1. Telescopic assembly; 11. Outer frame; 12. Horizontal row; 13. Lead screw; 14. First bracket; 15. Second bracket; 16. Rotating component; 17. Nut; 18. Auxiliary frame; 19. Adapter row;

[0024] 2. Lifting assembly; 21. Base column; 211. Base mounting seat; 212. Lower base mounting seat; 213. Flange; 214. Upper column section; 215. Lower column section; 22. Front rotating rod; 23. Middle rotating rod; 24. Rear rotating rod; 25. First-stage lifting column; 251. First column frame; 252. First upper mounting seat; 253. First lower mounting seat; 254. First guide wheel; 26. Second-stage lifting column; 261. Second column frame; 262. Second lower mounting seat; 264. Second guide wheel; 27. Gear; 28. Third column frame;

[0025] 3. Power assembly; 31. Second drive component; 32. Drive shaft; 33. Mounting base; 34. Second transmission assembly; 35. Third transmission assembly;

[0026] 4. Rotating assembly; 41. Mounting plate; 42. First driving component; 43. Rotating shaft; 44. First transmission assembly;

[0027] 5. Cathode. Detailed Implementation

[0028] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0029] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0030] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0031] Furthermore, the technical features involved in the different embodiments of this utility model described below can be combined with each other as long as they do not conflict with each other.

[0032] The following is combined with Figures 1 to 5 The following describes embodiments of the present invention.

[0033] like Figure 1 As shown, the cathode 5 lifting device according to a preferred embodiment of the present invention includes:

[0034] Telescopic component 1, on which a cathode 5 is disposed; lifting component 2, connected to the telescopic component 1, adapted to drive the telescopic component 1 and the cathode 5 to move up and down; the lifting component 2 includes: a base column 21, which serves as the supporting structure of the lifting component 2, the base column 21 being a hollow column, and at least three rotating rods embedded in the base column 21, the at least three rotating rods being rotatably disposed within the column frame of the base column 21; the at least three rotating rods are a front rotating rod 22, a middle rotating rod 23, and a rear rotating rod 24; a first lifting pair is sleeved on the middle rotating rod, and a second lifting pair is sleeved on the rear rotating rod.

[0035] A primary lifting column 25 is movably embedded in the base column 21 and extends from the top of the base column 21. The primary lifting column 25 is connected to a first lifting pair at the intermediate rotating rod 23. The combination of the intermediate rotating rod 23 and the first lifting pair can be, but is not limited to, a screw and nut pair. A secondary lifting column 26 is movably embedded in the primary lifting column 25 and extends from the top of the primary lifting column 25. The secondary lifting column 26 is connected to a second lifting pair at the rear rotating rod 24. The combination of the rear rotating rod 24 and the second lifting pair can be, but is not limited to, a screw and nut pair.

[0036] The front rotating rod 22 plays a guiding role in the lifting and lowering process of the first-stage lifting column 25 and transmits power to the middle rotating rod 23; the middle rotating rod 23 drives the first-stage lifting column 25 to move up and down, and at the same time drives the rear rotating rod 24 to rotate. The rotation of the rear rotating rod 24 causes the second-stage lifting column 26 to move up and down synchronously with the first-stage lifting column 25.

[0037] The front rotating rod 22 is connected to the power assembly 3 in a transmission manner, and the middle rotating rod 23 is connected to the front rotating rod 22 and the rear rotating rod 24 in a transmission manner. The front rotating rod 22 drives the middle rotating rod 23 and the rear rotating rod 24 to rotate. The rotation of the rotating rod drives the first lifting pair and the second lifting pair to move up and down. The movement of the lifting pair drives the first-stage lifting column 25 and the second-stage lifting column 26 to move up and down respectively, thereby enabling the first-stage lifting column 25 and the second-stage lifting column 26 to achieve the effect of simultaneous and independent lifting, ensuring that the lifting requirements of the cathode 5 are met.

[0038] In this embodiment, by setting a two-stage lifting structure, the stability of lifting is greatly improved, and the height of lifting is increased, which meets the lifting requirements of the longer cathode 5. The first-stage lifting column 25 and the second-stage lifting column 26 rise simultaneously and work together, resulting in a higher lifting distance per unit working time, a faster lifting speed per unit lifting distance, and reduced energy consumption required by the power source during operation, which meets the industrial needs of large-scale production and is highly practical.

[0039] The structure of a multi-stage lifting mechanism can be elaborated as follows:

[0040] The first-stage lifting column 25 includes a first column frame 251 and a first upper mounting seat 252 and a first lower mounting seat 253 respectively fixed at both ends of the first column frame 251; wherein, the second-stage lifting column 26 is movably disposed at the first column frame 251 and extends through the first upper mounting seat 252.

[0041] The front rotating rod 22 and the middle rotating rod 23 are respectively installed through the first lower mounting base 253, and one end of the front rotating rod 22 and the middle rotating rod 23 are rotatably mounted on the foundation lower mounting base 212 of the base column by means of bearing seats, while the other end is free; the end of the rear rotating rod 24 is rotatably connected to the first lower mounting base 253 by means of bearing seats.

[0042] The lifting joint of the intermediate rotating rod 23 is connected to the first lower mounting base 253. When the front rotating rod 22 drives the intermediate rotating rod to rotate by means of gears, the rotation of the intermediate rotating rod causes the first lifting joint to drive the first lower mounting base 253 and the first-stage lifting column 25 to move up and down.

[0043] The secondary lifting column 26 is composed of a second column frame 261 and a second upper mounting seat and a second lower mounting seat 262 respectively fixed at both ends of the second column frame 261; the front rotating rod 22, the middle rotating rod 23 and the rear rotating rod 24 are respectively arranged through the second lower mounting seat 262; the lifting joint of the rear rotating rod 24 is connected to the second lower mounting seat 262, and the rear rotating rod 24 is adapted to drive the second lower mounting seat 262 and the secondary lifting column 26 to move up and down when rotating.

[0044] In terms of the structure of the rotating rod and lifting pair, the front rotating rod 22 and the middle rotating rod 23, as well as the middle rotating rod 23 and the rear rotating rod 24, are respectively connected by gears 27. A first gear is sleeved at the bottom of the front rotating rod 22, and a second gear is sleeved at the bottom of the middle rotating rod 23. The first gear and the second gear mesh and drive each other. A third gear is sleeved at the rear rotating rod 24, and the third gear meshes and drives the second gear. The middle rotating rod 23 and the rear rotating rod 24 can be, but are not limited to, lead screw pairs. Their corresponding first lifting pair and second lifting pair are both nut pairs. The nut pairs are sleeved on the periphery of the lead screw pairs and are also connected to the lower mounting seat of the first-stage lifting column 25. When the lead screw pairs are driven to rotate clockwise or counterclockwise, the nut pairs on them move upward or downward along the axis of the lead screw pairs, thereby driving the first-stage lifting column 25 to move up and down. The front rotating rod 22 can be, but is not limited to, a ball spline shaft.

[0045] In terms of the structure of the base, the base column 21 includes an upper column section 214 and a lower column section 215, with a flange 213 between the upper column section 214 and the lower column section 215; the top of the upper column section is provided with a base mounting seat, and the bottom of the lower column section is provided with a base lower mounting seat 212; the first-stage lifting column 25 passes through the base mounting seat 211 and extends outward, and the lower column section is covered by a third column frame 28, which is also covered by the drive shaft 32 of the power assembly.

[0046] The auxiliary guide structure of the multi-stage lifting mechanism is as follows: a first guide wheel 254 is provided at the first lower mounting base 253, and multiple first guide wheels 254 are evenly distributed around the periphery of the first lower mounting base 253. The first guide wheel 254 is in contact with the inner wall of the lower column section 215. A second guide wheel 264 is provided at the second lower mounting base 262, and multiple second guide wheels 264 are evenly distributed around the periphery of the second lower mounting base 262. The second guide wheel 264 is in contact with the inner wall of the first column frame 251. The rolling direction of the first guide wheel 254 and the second guide wheel 264 is consistent with the lifting direction of the lifting column, which is used to play an auxiliary guiding role when the lifting column is lifted.

[0047] In terms of the structure of the telescopic component 1, the telescopic component 1 is rotatably mounted on the secondary lifting column 26 via a rotating component 4. The telescopic component 1 includes an outer frame 11 and a horizontal row 12, which are rotatably connected to the secondary lifting column 26 via the rotating component 4. The horizontal row 12 extends horizontally and is movably mounted on the outer frame 11 via a lead screw 13. The horizontal row 12 is connected to the cathode 5 via a transition row 19. An auxiliary frame 18 is provided at the insertion position between the horizontal row 12 and the outer frame 11. The auxiliary frame 18 is fixed to the horizontal row 12, and when the horizontal row 12 moves, the auxiliary frame 18 contacts the inner wall of the outer frame 11 for auxiliary movement. The system assists in the horizontal movement of the horizontal row 12 and prevents it from shifting. A first bracket 14 is fixed to the outer frame 11, and a second bracket 15 is fixed to the horizontal row 12. The lead screw 13 is rotatably connected to the first bracket 14 via a rotating member 16, which is adapted to prevent the lead screw 13 from moving back and forth in the horizontal direction. The lead screw 13 is also connected to the second bracket 15 via a nut 17, which is fixed to the second bracket 15 and fitted onto the lead screw 13. The lead screw 13 is adapted to drive the second bracket 15 and the horizontal row 12 to move horizontally via the nut 17 during controlled rotation.

[0048] In terms of the structure of the rotating component 4, the rotating component 4 includes: a mounting base plate 41 fixed to the secondary lifting column 26; a first driving member 42 disposed at the mounting base plate 41, which may be, but is not limited to, a motor; and a rotating shaft 43 fixed to the outer frame 11 and rotatably disposed at the secondary lifting column 26; the output shaft of the first driving member 42 is connected to the rotating shaft 43 via a first transmission component 44, which is suitable for driving the rotating shaft 43 to rotate around its axis and driving the telescopic component 1 to rotate; the first transmission component 44 is a chain drive component, which includes at least two sprockets and a chain sleeved on the at least two sprockets, and the at least two sprockets are respectively connected to the rotating shaft 43 and the output shaft of the first driving member 42.

[0049] In one optional embodiment, the power assembly 3 includes a second drive member 31, a drive shaft 32, and a fixed base 33; the fixed base 33 is fixed to the flange 213; one end of the drive shaft 32 is connected to the first drive member 42 via a second drive assembly 34, and the other end is connected to the front rotating rod 22 via a third drive assembly 35; both the second drive assembly 34 and the third drive assembly 35 are chain drive assemblies; the second drive member 31 can be, but is not limited to, a motor; the second drive assembly 34 includes at least two sprockets and a chain sleeved on at least two sprockets, and the at least two sprockets are respectively connected to the output shafts of the drive shaft 32 and the second drive member 31; the third drive assembly 35 includes at least two sprockets and a chain sleeved on at least two sprockets, and the at least two sprockets are respectively connected to the drive shaft 32 and the front rotating rod 22.

[0050] The specific usage process is as follows: During the electrolysis of cathode 5, when cathode 5 needs to be lowered or raised, the second driving component 31 operates to generate power, which is transmitted through the second transmission component 34, thereby driving the transmission shaft 32 to rotate. When the rotating shaft rotates, it drives the front rotating rod 22 to rotate through the second transmission component 34. The rotation of the front rotating rod 22 drives the intermediate rotating rod 23 to rotate through the gear. The intermediate rotating rod 23 drives the first-stage lifting column 25 to move up and down. At the same time, it drives the rear rotating rod 24 to rotate through the gear. The rotation of the rear rotating rod 24 causes the second-stage lifting column 26 to move up and down synchronously with the first-stage lifting column 25. The front rotating rod 22 plays a guiding role in the lifting of the first-stage lifting column 25. The lifting distance is higher in a unit of working time, the lifting speed is faster in a unit of lifting distance, and the energy consumption required by the power source during operation is reduced, which meets the industrial needs of large-scale production, reduces storage space, and is highly practical.

[0051] The specific usage process also includes that when the position of the cathode 5 needs to be adjusted, on the one hand, when the cathode 5 is rotated, the first driving member 42 works, and the first transmission component 44 drives the rotating shaft 43 to rotate. The rotation of the rotating shaft 43 drives the telescopic component 1 and the cathode 5 to rotate around the axis of the rotating shaft 43, thereby rotating the cathode 5 to a suitable position. On the other hand, when adjusting the front and rear position of the cathode 5, the handwheel at the lead screw 13 is rotated, so that the lead screw 13 rotates clockwise or counterclockwise, thereby driving the horizontal row 12 to move forward or backward, thereby adjusting the cathode 5 to a suitable position.

[0052] In this embodiment, on the one hand, by setting a two-stage lifting structure, the stability of lifting is greatly improved, and the height of lifting is increased, meeting the lifting requirements of a longer cathode 5; the first-stage lifting column 25 and the second-stage lifting column 26 can rise simultaneously and work together, lifting a greater distance per unit working time and lifting faster per unit lifting distance, thereby improving production efficiency; on the other hand, the energy consumption required by the power source during operation is reduced, which not only helps to save energy, but also reduces equipment wear and failure rate and extends the service life of the equipment; the multi-stage lifting mechanism makes the entire device compact and occupies less space, while meeting the industrial needs of large-scale production; in addition, the setting of the telescopic component 1 and the rotating component 4 allows the cathode 5 to be flexibly adjusted in the horizontal and vertical directions, further enhancing the practicality of the device; the setting of the multi-stage lifting column allows the mechanism to lower its overall height when lifting is not needed, thereby reducing storage space and improving the adaptability of the equipment in different environments.

[0053] Obviously, the above embodiments are merely examples for clear illustration and are not intended to limit the implementation. Although embodiments of the present invention have been described in conjunction with the accompanying drawings, those skilled in the art can make various modifications and variations without departing from the spirit and scope of the present invention, and all such modifications and variations fall within the scope defined by the present invention.

Claims

1. A cathode lifting device, characterized in that, include: Telescopic assembly (1), on which a cathode (5) is provided; The lifting component (2) is connected to the telescopic component (1) and is suitable for driving the telescopic component (1) and the cathode (5) to move up and down. The lifting assembly (2) includes: A base column (21) is provided with at least three rotating rods, the at least three rotating rods being a front rotating rod (22), a middle rotating rod (23) and a rear rotating rod (24), a first lifting pair being sleeved on the middle rotating rod (23), and a second lifting pair being sleeved on the rear rotating rod (24); A primary lifting column (25) is movably embedded in the base column (21). The primary lifting column (25) is connected to the first lifting pair, which moves up and down when the intermediate rotating rod (23) rotates. A secondary lifting column (26) is movably embedded in the primary lifting column (25). The secondary lifting column (26) is connected to the second lifting pair, which moves up and down when the rear rotating rod (24) rotates. The front rotating rod (22) is connected to the power assembly (3) in a transmission manner, and the middle rotating rod (23) is connected to the front rotating rod (22) and the rear rotating rod (24) in a transmission manner respectively. The front rotating rod (22) drives the middle rotating rod (23) and the rear rotating rod (24) to rotate, so that the first-stage lifting column (25) and the second-stage lifting column (26) rise and fall simultaneously and independently.

2. The cathode lifting device according to claim 1, characterized in that, The first-stage lifting column (25) includes a first column frame (251) and a first upper mounting seat (252) and a first lower mounting seat (253) respectively fixed to both ends of the first column frame (251); The secondary lifting column (26) is movably embedded in the first column frame (251) and extends through the first upper mounting base (252); The first lifting joint at the intermediate rotating rod (23) is connected to the first lower mounting base (253).

3. The cathode lifting device according to claim 2, characterized in that, The secondary lifting column (26) includes a second column frame (261) and a second lower mounting base (262) fixed to the bottom end of the second column frame (261); The second lifting joint at the rear rotating rod (24) is connected to the second lower mounting base (262).

4. The cathode lifting device according to claim 3, characterized in that, The base column (21) includes an upper column section (214) and a lower column section (215), and a flange (213) is provided between the upper column section (214) and the lower column section (215); The upper column section (214) is provided with a foundation mounting base (211) at the top and the lower column section (215) is provided with a foundation lower mounting base (212) at the bottom. The primary lifting column (25) extends through the mounting base (211) on the foundation.

5. The cathode lifting device according to claim 4, characterized in that, The first-stage lifting column (25) is provided with a first guide wheel (254) at the first lower mounting seat (253), and the first guide wheel (254) is in contact with the inner wall of the lower column section (215); The secondary lifting column (26) is provided with a second guide wheel (264) at the second lower mounting seat (262), and the second guide wheel (264) is in contact with the inner wall of the first column frame (251).

6. The cathode lifting device according to any one of claims 2 to 5, characterized in that, The front rotating rod (22) and the middle rotating rod (23), as well as the middle rotating rod (23) and the rear rotating rod (24), are respectively connected by gears (27).

7. The cathode lifting device according to claim 5, characterized in that, One end of the front rotating rod (22) and the middle rotating rod (23) are respectively rotatably mounted on the mounting base (212) under the foundation of the base column (21); One end of the rear rotating rod (24) is rotatably mounted at the first lower mounting seat (253) of the first-stage lifting column (25).

8. The cathode lifting device according to claim 7, characterized in that, The telescopic component (1) is rotatably mounted on the secondary lifting column (26) by means of the rotating component (4).

9. The cathode lifting device according to claim 8, characterized in that, The telescopic component (1) includes an outer frame (11) and a horizontal row (12), and the outer frame (11) and the secondary lifting column (26) are rotatably connected by a rotating component (4); The horizontal row (12) extends in the horizontal direction and is movably set at the outer frame (11) by means of a lead screw (13); The horizontal row (12) is connected to the cathode (5) via a transition row (19).

10. The cathode lifting device according to claim 9, characterized in that, A first bracket (14) is fixed at the outer frame (11), and a second bracket (15) is fixed at the horizontal row (12); The lead screw (13) is rotatably connected to the first bracket (14) by means of a rotating part (16), the rotating part (16) being adapted to prevent the lead screw (13) from moving back and forth in the horizontal direction; The lead screw (13) is connected to the second bracket (15) by means of a nut (17); The nut (17) is fixed to the second bracket (15), and the nut (17) is sleeved on the lead screw (13). The lead screw (13) is adapted to drive the second bracket (15) and the horizontal row (12) to move in the horizontal direction by means of the nut (17) when the rotation is controlled.

11. The cathode lifting device according to claim 9, characterized in that, The rotating component (4) includes, Mounting base plate (41) and fix it to the secondary lifting column (26); The first driving component (42) is located at the mounting base plate (41); The pivot (43) is fixed to the outer frame (11) and is rotatably mounted on the secondary lifting column (26); The first driving member (42) is connected to the rotating shaft (43) by means of the first transmission assembly (44) and is adapted to drive the rotating shaft (43) to rotate about the axis; The first transmission assembly (44) is a chain drive assembly. The first transmission assembly (44) includes at least two sprockets and a chain sleeved on the at least two sprockets. The at least two sprockets are respectively connected to the rotating shaft (43) and the output shaft of the first drive member (42).

12. The cathode lifting device according to claim 11, characterized in that, The power assembly (3) includes a second drive member (31), a transmission shaft (32), and a fixed base (33); The fixed seat (33) is fixed to the flange (213). One end of the drive shaft (32) is connected to the first drive member (42) via the second drive assembly (34), and the other end is connected to the front rotating rod (22) via the third drive assembly (35). The second transmission component (34) and the third transmission component (35) are both chain drive components.

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