Aluminum electrolysis cell anode lifting device and electrolysis cell structure

Abstract

The invention discloses an aluminum electrolysis cell anode lifting device and an electrolysis cell structure, and relates to the technical field of electrolysis cell anode lifting structures. Comprising a power assembly, a transmission assembly and a clamping assembly, the power assembly is connected with the transmission assembly, and the power assembly drives an anode to do lifting motion through the transmission assembly; the power assembly is arranged on a bearing beam at the top of the electrolytic bath; one end of the transmission assembly is connected with the power assembly, and the other end of the transmission assembly is connected with the anode guide rod through the clamping assembly; the clamping assembly comprises a first clamping piece and a second clamping piece, one end of the first clamping piece is fixed to the bearing beam, the other end of the first clamping piece extends out and is arranged on the anode guide rod in a sleeving mode through an annular sliding limiting mechanism, and the lead screw penetrates through the first clamping piece and is in sliding contact with the first clamping piece; and the second clamping piece is fixed at the lower end of the screw rod and is used for clamping the anode guide rod. The device is simple in structure, stable in lifting and capable of meeting the requirement for anode position adjustment in the aluminum electrolysis cell production process.

Description

Technical Field

[0001] The invention relates to the technical field of electrolytic cell anode lifting structures, and in particular to an aluminum electrolytic cell anode lifting device and an electrolytic cell structure. Background Art

[0002] In the aluminum electrolysis industry, the lifting and lowering of anodes is crucial to maintaining the continuity and efficiency of the electrolysis process. At present, there are three types of anode lifting: synchronous lifting with the anode busbar, independent lifting, and multi-stage lifting, each with its own advantages and disadvantages.

[0003] Following the lifting of the anode busbar, a mechanical structure with strong rigidity and good stability is formed by directly connecting the anode to the busbar. This design not only simplifies the system structure, but also significantly improves the stability and anti-disturbance ability during the lifting process. However, the consumption of anode carbon blocks in the electrolytic cell is not exactly the same, which may cause obvious magnetic field effects and aluminum liquid fluctuations due to different anode carbon block consumption. Therefore, the independent lifting of the anode is one of the development research directions. Although the independent lifting method of the anode provides higher flexibility, it faces many challenges in practical applications.

[0004] Patent 201910158541.X discloses an anode lifting device for an aluminum electrolytic cell device including a cathode and multiple anodes. The lifting and lowering of the anode is achieved by a worm turbine crane. In order to make the anode move more stably, a slider and a guide rail are provided to limit the motion trajectory of the lifting hanger. The stability of movement can indeed be increased by limiting the motion trajectory of the lifting hanger, but it should be clear that the stability analysis here should be viewed from two parts: one is the worm part and the other is the anode part. The anode is integrated with the worm part through the electrode clamp. Limiting the lifting hanger is actually to achieve the stability of the movement of the worm part. For the anode part, its stability and the disturbance it receives are still challenges. The stability of the movement of the anode part will depend on the clamping condition of the electrode clamp, which increases uncertainty. Summary of the invention

[0005] In view of the deficiencies in the above-mentioned prior art, the present invention provides an anode lifting device for an aluminum electrolytic cell and an electrolytic cell structure, and provides a lifting device with a simple structure and stable lifting, which meets the demand for adjusting the anode position during the production process of the aluminum electrolytic cell.

[0006] The specific technical solutions are as follows: An aluminum electrolytic cell anode lifting device comprises a power assembly, a transmission assembly and a clamping assembly, wherein the power assembly is connected to the transmission assembly, and the power assembly drives the anode to perform lifting motion through the transmission assembly; A power assembly, including one or more motors as power output, is arranged on a load-bearing beam at the top of the electrolytic cell; The transmission assembly is arranged on both sides of the electrolytic cell load-bearing beam, one end of which is connected to the power assembly, and the other end of which is connected to the anode guide rod through the clamping assembly; the transmission assembly includes a worm gear lifter, a lead screw and a coupling, the worm gear lifter is arranged on the electrolytic cell load-bearing beam and connected to the power assembly through the coupling, and the lead screw is arranged on the worm gear lifter; A clamping assembly is used to clamp the anode guide rod, including a first clamping member and a second clamping member. One end of the first clamping member is fixed on the load-bearing beam and the other end extends out through an annular sliding limit mechanism sleeve and is arranged on the anode guide rod. The lead screw passes through the first clamping member and is in sliding contact with the first clamping member; the second clamping member is fixed at the lower end of the lead screw and is used to clamp the anode guide rod.

[0007] Furthermore, in the above scheme, the sliding limiting mechanism includes four limiting wheels, a U-shaped frame and a movable rod, three limiting wheels are respectively arranged on the inner side of the U-shaped frame, and one limiting wheel is arranged on the movable rod; one end of the movable rod is hingedly connected to one end of the U-shaped frame, and the other end of the movable rod can be clamped with the other end of the U-shaped frame to form an annular frame, and the four limiting wheels form a sliding contact limit on the anode rod body.

[0008] Furthermore, in the above scheme, the limiting wheel, U-shaped frame and movable rod are all made of insulating and high temperature resistant materials.

[0009] Furthermore, in the above scheme, the second clamping member includes an insulating member, an electrical connector and a clamping assembly, wherein the insulating member is arranged at the bottom of the screw rod and connected to the electrical connector; the electrical connector is fixedly connected to the clamping assembly, and the anode guide rod is contacted and fixed to the electrical connector through the clamping assembly; the electrical connector is connected to the anode busbar through a soft busbar, and the anode busbar is fixed to the anode column.

[0010] In the above scheme, the clamping assembly includes a hook seat, a clamping member and an adjusting bolt. The hook seats are arranged in two groups, each group is provided with two and symmetrically arranged, and the two groups of hook seats are arranged up and down; one end of the hook seat is fixedly connected to the electrical connector, and the other end is provided with a hook arranged upward; two clamping members are provided and are placed on one group of hook seats accordingly, and the anode guide rod is located between the two hook seats and is contacted and fixed to the electrical connector through the clamping member; The clamping member includes a clamping shaft, a clamping roller, two adjusting side wheels and an adjusting plate, the clamping shaft can be placed correspondingly on a hook of a group of hook seats, the clamping roller is rotatably sleeved in the middle of the clamping shaft, and the clamping roller is an eccentric wheel structure; the adjusting side wheels are sleeved on the clamping shaft and respectively fixed on both sides of the clamping roller, and the adjusting side wheels are ratchet structures that can rotate in one direction; limiting shoulders are provided at both ends of the adjusting side wheels on the clamping shaft; the length of the clamping roller is smaller than the width of the anode guide rod; the adjusting side wheel forms a side shoulder surface higher than the eccentric wheel on one side corresponding to the clamping roller, and the side shoulder surface can rotate along the adjusting side wheel An annular slowly rising slope structure is formed in the opposite direction of the two adjusting side wheels; by adjusting the two adjusting side wheels, the straight-line distance between the side shoulder surfaces can be made greater than, equal to or less than the width of the anode guide rod; the adjusting plate is fixed to the side of the clamping roller and is parallel to the central axis of the clamping roller, and the adjusting plates of the two clamping members are threadedly connected with the adjusting bolt; the adjusting bolt includes two sections of threads with opposite thread directions, which correspond to the two adjusting plates respectively; the clamping rollers in the clamping member are symmetrically arranged up and down, so that when the adjusting plate rotates the adjusting bolt, the two clamping rollers are simultaneously adjusted to be closer to or farther away from the anode guide rod.

[0011] Furthermore, in the above scheme, the side shoulder surface of the adjusting side wheel is composed of two sections of slowly rising annular surfaces.

[0012] The above scheme further provides that when the clamping member is used, the clamping shafts are first set on the hooks respectively, and the straight-line distance between the two side shoulder surfaces is adjusted to be larger than the width of the anode guide rod, and then the adjusting bolt is adjusted to rotate the clamping roller to make contact, and then the adjusting side wheel is rotated to make the side shoulder surface of the adjusting side wheel contact the side surface of the anode guide rod; the adjusting bolt is continued to be adjusted until the anode guide rod is clamped.

[0013] Furthermore, in the above scheme, the gently rising slope of the side shoulder surface is not less than one half of the side shoulder surface.

[0014] Furthermore, in the above scheme, a sleeve is provided at the upper end of the first clamping member corresponding to the screw rod, and the sleeve is fixed on the first clamping member; two symmetrically arranged worm gears are provided at the lower end of the sleeve, and the worm gears are rotationally connected to the first clamping member and mesh with the screw rod.

[0015] An electrolytic cell structure is applied with an aluminum electrolytic cell anode lifting device shown in any one of 1-9.

[0016] Compared with the prior art, the present invention has the following beneficial effects: The present invention can accurately control the lifting of the anode and improve the electrolysis efficiency; the power component drives the anode to perform lifting movement through the transmission component, and the worm gear lifter and the lead screw in the transmission component can realize accurate displacement control and have a self-locking function.

[0017] The present invention enhances the stability and reliability of the device. The first clamping member of the clamping assembly is sleeved on the anode guide rod through an annular sliding limiting mechanism to limit and guide the anode guide rod, thereby preventing the anode guide rod from shaking or deflecting during the lifting process. The second clamping member can firmly clamp the anode guide rod to ensure the stability of the anode during the electrolysis process. The sliding contact between the screw rod and the first clamping member can increase the stability of the screw rod lifting. The first clamping member is simple to install and set.

[0018] The invention improves the safety of the device; the sliding limit mechanism and the insulating member in the second clamping member can effectively prevent current leakage and short circuit, and prevent high voltage breakdown. At the same time, the limit wheel, U-shaped frame and movable rod are all made of insulating and high temperature resistant materials, which can cope with high temperature anode guide rods and can operate safely and reliably.

[0019] The present invention is easy to operate and reduces maintenance costs; the overall structure of the clamping assembly is simple, and the two sides of the front of the anode guide rod are clamped and fixed by the hook seat, the clamping shaft and the clamping roller, and the anode guide rod is pressed and clamped based on the eccentric wheel structure of the clamping roller or the eccentric roller structure by rotating the clamping roller; similarly, the hook seat, the clamping shaft and the adjusting side wheel constitute the clamping and fixing of the two sides of the side surface of the anode guide rod; and the adjusting plate is adjusted by adjusting the bolt, so that the clamping roller and the adjusting side wheel are rotated synchronously to clamp the anode guide rod. The clamping assembly realizes efficient fixed restriction of the four degrees of freedom of the anode guide rod, which can better cope with the shaking caused by the disturbance of the electrolytic aluminum liquid in the electrolytic cell, and ensures convenient and safe lifting. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the structure of the pole lifting device of the present invention; Figure 2 It is a structural diagram of the sliding limit mechanism when it is closed; Figure 3 It is a structural diagram when the sliding limit mechanism is opened; Figure 4 It is a schematic diagram of the structure of the clamping assembly when it is not clamped; Figure 5 It is a schematic diagram of the structure of the clamping assembly when it is clamped; Figure 6 It is a schematic diagram of the three-dimensional structure of the clamping part and the adjusting bolt; Figure 7 yes Figure 6 A front view of Figure 8 It is a side view of the clamping assembly when clamping; Fig. 9 It is an explanation of the clamping principle of two clamping parts; Fig.10 It is the second explanation of the clamping principle of the two clamping parts; In the accompanying drawings, 1-load-bearing beam, 2-motor, 3-coupling, 4-worm gear lifter, 5-screw, 6-first clamping piece, 7-second clamping piece, 8-anode guide rod, 9-clamping assembly, 10-limiting wheel, 11-U-shaped frame, 12-movable rod, 13-electrical connecting piece, 14-hook seat, 15-clamping piece, 16-adjusting bolt, 17-clamping shaft, 18-clamping roller, 19-adjusting side wheel, 20-adjusting plate, 21-side shoulder surface. DETAILED DESCRIPTION

[0021] The following is a further detailed description of the embodiments of the invention in conjunction with the accompanying drawings to make the objectives, technical solutions and technical effects of the invention more clearly presented.

[0022] like Figure 1 As shown, the present invention discloses an aluminum electrolytic cell anode lifting device, including a power component, a transmission component and a clamping component 9, wherein the power component is connected to the transmission component, and the power component drives the anode to perform lifting motion through the transmission component.

[0023] The power assembly, including one or more motors 2 as power output, is arranged on the load-bearing beam 1 on the top of the electrolytic cell.

[0024] The transmission assembly is arranged on both sides of the electrolytic cell load-bearing beam 1, one end of which is connected to the power assembly, and the other end is connected to the anode guide rod 8 through the clamping assembly 9; the transmission assembly includes a worm gear lifter 4, a screw 5 and a coupling 3, the worm gear lifter 4 is arranged on the electrolytic cell load-bearing beam 1 and connected to the power assembly through the coupling 3, and the screw 5 is arranged on the worm gear lifter 4.

[0025] The clamping assembly 9 is used to clamp the anode guide rod 8, and includes a first clamping member 6 and a second clamping member 7. One end of the first clamping member 6 is fixed to the load-bearing beam 1, and the other end extends out through an annular sliding limit mechanism sleeve and is arranged on the anode guide rod 8. The screw rod 5 passes through the first clamping member 6 and is in sliding contact with the first clamping member 6; the second clamping member 7 is fixed to the lower end of the screw rod 5, and is used to clamp the anode guide rod 8.

[0026] In the above scheme, the first clamping member 6 of the clamping assembly 9 is sleeved on the anode guide rod 8 through an annular sliding limiting mechanism to limit and guide the anode guide rod 8. The second clamping member 7 is fixed to the lower end of the screw rod 5 and is used to clamp the anode guide rod 8. In this way, the second clamping member 7 can achieve stable clamping of the anode guide rod 8 without the need for a slide rail / guide rail. Compared with the prior art, its structure is simpler and does not require the provision of a sliding guide rail, etc., which reduces equipment maintenance and improves equipment stability. In addition, the first clamping member 6 can reduce the shaking effect of the anode caused by the disturbance of the electrolytic aluminum liquid in the electrolytic cell.

[0027] Here, a sleeve corresponding to the screw rod 5 is provided at the upper end of the first clamping member 6 , and the sleeve is fixed on the first clamping member 6 ; two symmetrically arranged worm gears are provided at the lower end of the sleeve, and the worm gears are rotationally connected to the first clamping member 6 and meshed with the screw rod 5 .

[0028] like Figure 2-3 As shown, the sliding limit mechanism includes four limit wheels 10, a U-shaped frame 11 and a movable rod 12. Three limit wheels 10 are respectively arranged on the inner side of the U-shaped frame 11, and one limit wheel 10 is arranged on the movable rod 12; one end of the movable rod 12 is hingedly connected to one end of the U-shaped frame 11, and the other end of the movable rod 12 can be clamped with the other end of the U-shaped frame 11 to form a ring frame, and the four limit wheels 10 form a sliding contact limit on the anode rod body. In this way, the stability and guidance of the anode guide rod 8 during the lifting process can be further improved, the shaking and deviation can be reduced, and the electrolysis efficiency can be improved. Among them, the limit wheel 10, the U-shaped frame 11 and the movable rod 12 are all made of insulating and high-temperature resistant materials. It can effectively prevent current leakage and short circuit, and ensure the safety of the operator. At the same time, in a high-temperature electrolysis environment, these materials can maintain stable performance and extend the service life of the device. Here, the limit wheel 10 can also be provided with an adjustment spring between the U-shaped frame 11 and the movable rod 12, and the spring is adjusted to make the limit wheel 10 form a stable contact with the anode.

[0029] like Figure 1 , Figure 4 , Figure 5 As shown, the second clamping member 7 includes an insulating member, an electrical connector 13 and a clamping assembly 9, wherein the insulating member is arranged at the bottom of the screw rod 5 and is connected to the electrical connector 13; the electrical connector 13 is fixedly connected to the clamping assembly 9, and the anode guide rod 8 is contacted and fixed to the electrical connector 13 through the clamping assembly 9; the electrical connector 13 is connected to the anode busbar through a soft busbar, and the anode busbar is fixed to the anode column.

[0030] like Figure 6-Figure 10 As shown, the clamping assembly 9 includes a hook seat 14, a clamping piece 15 and an adjusting bolt 16. The hook seats 14 are provided in two groups, each group is provided with two and symmetrically arranged, and the two groups of hook seats 14 are arranged up and down; one end of the hook seat 14 is fixedly connected to the electrical connector 13, and the other end is provided with a hook arranged upward. Two clamping pieces 15 are provided and are placed on one group of hook seats 14 accordingly, and the anode guide rod 8 is located between the two hook seats 14 and is contacted and fixed to the electrical connector 13 through the clamping piece 15.

[0031] The clamping member 15 includes a clamping shaft 17, a clamping roller 18, two adjusting side wheels 19 and an adjusting plate 20. The clamping shaft 17 can be placed on a hook of a set of hook seats 14. The clamping roller 18 is rotatably sleeved in the middle of the clamping shaft 17. The clamping roller 18 is an eccentric wheel structure. The adjusting side wheels 19 are sleeved on the clamping shaft 17 and fixed on both sides of the clamping roller 18. The adjusting side wheels 19 are ratchet structures that can rotate in one direction. Limiting shoulders are provided at both ends of the adjusting side wheels 19 on the clamping shaft 17; the length of the clamping roller 18 is smaller than the width of the anode guide rod 8. The adjusting side wheel 19 forms a side shoulder surface 21 higher than the eccentric wheel on one side of the clamping roller 18, and the side shoulder surface 21 forms a circular slowly rising slope structure along the opposite direction in which the adjusting side wheel 19 can rotate. By adjusting the two adjusting side wheels 19, the straight-line distance between the side shoulder surfaces 21 can be greater than, equal to or less than the width of the anode guide rod 8. The adjusting plate 20 is fixed to the side of the clamping roller 18 and is parallel to the central axis of the clamping roller 18. The adjusting plates 20 of the two clamping members 15 are threadedly connected with the adjusting bolt 16. The adjusting bolt 16 includes two sections of threads with opposite thread directions, which correspond to the two adjusting plates 20 respectively. The clamping rollers 18 in the clamping member 15 are symmetrically arranged up and down, so that when the adjusting plate 20 rotates the adjusting bolt 16, the two clamping rollers 18 are simultaneously adjusted to be closer to or farther from the anode guide rod 8.

[0032] The clamping roller 18 is an eccentric wheel structure, and the distance between the clamping roller 18 and the anode guide rod 8 can be adjusted by adjusting the side wheel 19 and the adjusting bolt 16, so as to adapt to anode guide rods 8 of different sizes and improve the versatility of the device. The adjusting side wheel 19 is a ratchet structure, which can rotate in one direction, ensuring adjustment during clamping to achieve side clamping of the anode guide rod 8 and enhance the clamping effect. Among them, the side shoulder surface 21 of the adjusting side wheel 19 is composed of two sections of slowly rising annular surfaces. The slowly rising slope range of the side shoulder surface 21 is not less than one-half of the side shoulder surface 21.

[0033] When the clamping member 15 is used, firstly set the clamping shaft 17 on the hook respectively, adjust the straight-line distance between the two side shoulder surfaces 21 to be larger than the width of the anode guide rod 8, then adjust the adjusting bolt 16 to make the clamping roller 18 rotate to make contact, and then rotate the adjusting side wheel 19 to make the side shoulder surface 21 of the adjusting side wheel 19 contact the side surface of the anode guide rod 8; continue to adjust the adjusting bolt 16 until the anode guide rod 8 is clamped.

[0034] like Fig. 9 and Fig.10 As shown, the clamping rollers 18 in the two clamping members 15 are symmetrically arranged, so that the two clamping rollers 18 can clamp synchronously. Fig. 9As shown, the upper clamping roller 18 rotates clockwise to clamp, and the lower clamping roller 18 rotates counterclockwise to clamp; thus, the adjustment plate 20 is required to move relatively far away to achieve the above operation, which can be achieved by adjusting the two opposite threads of the bolt 16, and the adjustment plate 20 is required to move relatively far away. Fig.10 As shown, the upper clamping roller 18 rotates counterclockwise for clamping, and the lower clamping roller 18 rotates clockwise for clamping; thus, the adjustment plate 20 is required to move relatively close to achieve the above operation, which can be achieved by adjusting the two opposite threads of the bolt 16, and the adjustment plate 20 is required to be relatively close.

[0035] It should be clear that in the existing clamping structure, one end of the anode guide rod 8 is clamped by force, while the other two sides of the anode guide rod 8 are not clamped by force. This has structural and effect deficiencies in terms of the shaking effect of the anode on the anode caused by the disturbance of the electrolytic aluminum liquid in the electrolytic cell; it is not possible to achieve multi-sided rapid clamping of the anode guide rod 8. In the above scheme, specifically, adjustment side wheels 19 are provided on both sides of the clamping roller 18. The adjustment side wheel 19 is a unidirectionally rotating ratchet structure, whose inner ring is fixed to the clamping roller 18 to achieve common rotation, and its outer ring can rotate unidirectionally relative to the inner ring, which is specifically an existing ratchet structure. The adjustment side wheel 19 forms a side shoulder surface 21 higher than the eccentric wheel on one side of the clamping roller 18, and the side shoulder surface 21 forms an annular slowly rising slope structure along the opposite direction of the rotation of the adjustment side wheel 19, and specifically the slowly rising slope structure is consistent with the clamping adjustment rotation direction of the clamping roller 18. In this way, while adjusting the bolt 16 to realize the rotation and clamping of the clamping roller 18, the side shoulder surface 21 of the adjusting side wheel 19 is adjusted to rise slowly and the slope structure is also used to clamp the side of the anode guide rod 8. Because when the clamping roller 18 is clamped, the direction of force transmission is the hook seat 14 - clamping shaft 17 - clamping roller 18 - anode guide rod 8; the clamping shaft 17 is in a fixed state under force, so that the adjusting side wheel 19 forms a stable support after clamping the anode guide rod 8, that is, the four degrees of freedom of the anode guide rod 8 are limited in direction, which greatly improves the clamping effect of the anode guide rod 8. Of course, in order to increase the side limit of the anode guide rod 8, limit shoulders can be set at both ends of the clamping shaft 17 to limit the left and right movement of the clamping shaft 17 relative to the hook seat 14.

[0036] Here, this embodiment also discloses an electrolytic cell structure, and this electrolytic cell structure applies the above-mentioned aluminum electrolytic cell anode lifting device. Here, the electrolytic cell structure is provided with an anode column, an anode busbar, a soft busbar, etc., and the anode busbar is fixed to the anode column; the anode guide rod 8 is connected to the anode busbar through the soft busbar; after such a setting, there is no need to lift the anode busbar, nor is there any need to make the anode guide rod 8 fit the anode busbar, but the anode lifting device is used to achieve automatic lifting, and the anode lifting device has a simple structure, and the result of adding a slide rail to the electrolytic cell simplifies the lifting structure; however, the first clamp 6 and the second clamp 7 are provided to greatly increase the stability of lifting and clamping, and continuous lifting of the anode can be achieved.

[0037] The above description is only a preferred feasible embodiment of the present invention and is not intended to limit the scope of the patent application of the present invention. All equivalent changes, equivalent substitutions or modified changes performed within the technical spirit and principles suggested by the present invention should be included in the scope of patent protection covered by the present invention.

Claims

1. An aluminum electrolytic cell anode lifting device, comprising a power assembly, a transmission assembly and a clamping assembly, wherein the power assembly is connected to the transmission assembly, and the power assembly drives the anode to perform lifting motion through the transmission assembly; characterized in that: A power assembly, including one or more motors as power output, is arranged on a load-bearing beam at the top of the electrolytic cell; The transmission assembly is arranged on both sides of the electrolytic cell load-bearing beam, one end of which is connected to the power assembly, and the other end of which is connected to the anode guide rod through the clamping assembly; the transmission assembly includes a worm gear lifter, a lead screw and a coupling, the worm gear lifter is arranged on the electrolytic cell load-bearing beam and connected to the power assembly through the coupling, and the lead screw is arranged on the worm gear lifter; A clamping assembly is used to clamp the anode guide rod, including a first clamping member and a second clamping member. One end of the first clamping member is fixed on the load-bearing beam and the other end extends out through an annular sliding limit mechanism sleeve and is arranged on the anode guide rod. The lead screw passes through the first clamping member and is in sliding contact with the first clamping member; the second clamping member is fixed at the lower end of the lead screw and is used to clamp the anode guide rod.

2. The anode lifting device for an aluminum electrolytic cell according to claim 1, characterized in that: The sliding limiting mechanism comprises four limiting wheels, a U-shaped frame and a movable rod, three limiting wheels are respectively arranged on the inner side of the U-shaped frame, and one limiting wheel is arranged on the movable rod; one end of the movable rod is hingedly connected to one end of the U-shaped frame, and the other end of the movable rod can be clamped with the other end of the U-shaped frame to form an annular frame, and the sliding contact limiting of the anode rod body is formed by the four limiting wheels.

3. The anode lifting device for an aluminum electrolytic cell according to claim 2, characterized in that: The limiting wheel, the U-shaped frame and the movable rod are all made of insulating and high-temperature resistant materials.

4. The anode lifting device for an aluminum electrolytic cell according to claim 1, characterized in that: The second clamping member includes an insulating member, an electrical connector and a clamping assembly, wherein the insulating member is arranged at the bottom of the screw rod and connected to the electrical connector; the electrical connector is fixedly connected to the clamping assembly, and the anode guide rod is contacted and fixed to the electrical connector through the clamping assembly; the electrical connector is connected to the anode busbar through a soft busbar, and the anode busbar is fixed to the anode column.

5. The anode lifting device for aluminum electrolysis cell according to claim 3, characterized in that: The clamping assembly comprises a hook seat, a clamping piece and an adjusting bolt. The hook seats are arranged in two groups, each group is provided with two and symmetrically arranged, and the two groups of hook seats are arranged up and down; one end of the hook seat is fixedly connected to the electrical connector, and the other end is provided with a hook arranged upward; two clamping pieces are provided and are correspondingly placed on one group of hook seats, and the anode guide rod is located between the two hook seats and is contacted and fixed to the electrical connector through the clamping piece; The clamping member includes a clamping shaft, a clamping roller, two adjusting side wheels and an adjusting plate, the clamping shaft can be placed correspondingly on a hook of a group of hook seats, the clamping roller is rotatably sleeved in the middle of the clamping shaft, and the clamping roller is an eccentric wheel structure; the adjusting side wheels are sleeved on the clamping shaft and respectively fixed on both sides of the clamping roller, and the adjusting side wheels are ratchet structures that can rotate in one direction; limiting shoulders are provided at both ends of the adjusting side wheels on the clamping shaft; the length of the clamping roller is smaller than the width of the anode guide rod; the adjusting side wheel forms a side shoulder surface higher than the eccentric wheel on one side corresponding to the clamping roller, and the side shoulder surface can rotate along the adjusting side wheel An annular slowly rising slope structure is formed in the opposite direction of the two adjusting side wheels; by adjusting the two adjusting side wheels, the straight-line distance between the side shoulder surfaces can be made greater than, equal to or less than the width of the anode guide rod; the adjusting plate is fixed to the side of the clamping roller and is parallel to the central axis of the clamping roller, and the adjusting plates of the two clamping members are threadedly connected with the adjusting bolt; the adjusting bolt includes two sections of threads with opposite thread directions, which correspond to the two adjusting plates respectively; the clamping rollers in the clamping member are symmetrically arranged up and down, so that when the adjusting plate rotates the adjusting bolt, the two clamping rollers are simultaneously adjusted to be closer to or farther away from the anode guide rod.

6. The anode lifting device for aluminum electrolysis cell according to claim 5, characterized in that: The side shoulder surface of the adjusting side wheel is composed of two sections of slowly rising annular surfaces.

7. The anode lifting device for an aluminum electrolytic cell according to claim 5, characterized in that: When the clamping member is in use, firstly set the clamping shaft on the hook respectively, adjust the straight-line distance between the two side shoulder surfaces to be larger than the width of the anode guide rod, then adjust the adjusting bolt to make the clamping roller rotate to make contact, then rotate the adjusting side wheel to make the side shoulder surface of the adjusting side wheel contact the side surface of the anode guide rod; continue to adjust the adjusting bolt until the anode guide rod is clamped.

8. The anode lifting device for an aluminum electrolytic cell according to any one of claim 5, characterized in that: The gently rising slope of the side shoulder surface shall not be less than one half of the side shoulder surface.

9. The anode lifting device for an aluminum electrolytic cell according to claim 1, characterized in that: The upper end of the first clamping member is provided with a sleeve corresponding to the screw rod, and the sleeve is fixed on the first clamping member; the lower end of the sleeve is provided with two symmetrically arranged worms, and the worms are rotatably connected to the first clamping member and meshed with the screw rod.

10. An electrolytic cell structure, characterized in that: The invention relates to an anode lifting device for an aluminum electrolytic cell as shown in any one of 1-9.

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