A demagnetizing rod device for electrolytic cell

Abstract

This invention discloses an electrolytic cell demagnetizing rod device, comprising two column busbars, two rods, a platform surface, and a snap-fit ​​assembly. The snap-fit ​​assembly includes a snap plate shaped like an inverted "U" for embedding the two rods, two swing arms located at opposite ends of the snap plate with one end rotatably connected to the end of the snap plate, a connecting arm mounted on the swing arm, and a locking platform mounted on the side wall of the connecting arm for pressing against the platform surface. The locking platform gradually increases in thickness from top to bottom. A support roller supporting the lower side of the two rods is rotatably connected between the two swing arms at the end of the swing arm away from the snap plate. An externally threaded column extending downwards is provided in the middle of the swing arm. An internally threaded tube is threadedly connected to the lower end of the externally threaded column. A pressure plate is provided between the two internally threaded tubes and presses against the outer wall of the column busbar. A sleeve for embedding the end of the internally threaded tube away from the externally threaded column is rotatably connected to the pressure plate.

Description

Technical Field

[0001] The invention relates to the technical field of electrolytic cell design, in particular to a demagnetizing rod device for an electrolytic cell. Background Art

[0002] In the electrolytic aluminum production industry, each electrolytic workshop has hundreds of electrolytic cells. The upper structure of the electrolytic cell refers to the metal structure above the cell body, collectively referred to as the upper structure. It can be divided into load-bearing trusses, anode lifting devices, shelling and unloading devices, anode busbars and anode groups, gas collection and smoke exhaust devices. The DC circuit connection method of the electrolytic workshop generally adopts the multiple connection method, that is, all anodes in each electrolytic cell are connected in parallel, all cathodes are also connected in parallel, and the cells are connected in series, that is, all electrolytic cells are connected in series in the DC power supply line. Since the aluminum electrolytic series is powered by a large DC current, it is composed of multiple electrolytic cells in series and produced. Therefore, the column busbars of the electrolytic cell are designed with short-circuit ports and short-circuit busbars. Their function is to short-circuit the electrolytic cell when it is in the overhaul cycle or the electrolytic cell needs to stop production due to some accident, so that it can exit the electrolytic series without affecting the normal operation of the entire series. In a normal overhaul cell, the current enters the downstream cell from the busbar through the short-circuit block. Since a large current passes through the busbar around the cell and is affected by the current of the electrolytic cells running upstream and downstream, the area around the electrolytic cell is still in a strong magnetic field environment; even if the electrolytic cell is in overhaul, welding on the cathode steel cannot be performed due to the magnetic field. In other words, when any electrolytic cell in the electrolytic workshop is stopped for overhaul. Due to the serial arrangement of the electrolytic cells, there is a normal working busbar near the overhaul cell, which makes the overhaul cell have an extremely strong magnetic field. The original magnetic field in the welding area is generally high, especially at the flue end and the aluminum outlet end, with an average of more than 350Gs, and reaching 571Gs at the flue end on the A side.

[0003] At present, a Chinese patent with publication number CN208965050U and publication date June 11, 2019 discloses a simple demagnetization and drainage device, including a pair of demagnetization rods and locking clips arranged parallel to each other. Both ends of the two demagnetization rods are flat and are in the same horizontal plane. One end of the two demagnetization rods is between the busbars of the electrolytic cell columns that have been shut down, and the other end is between the busbars of the electrolytic cell columns that are operating normally downstream. The two demagnetization rods are locked and fixed by locking clips.

[0004] This simple demagnetization and drainage device uses two demagnetization rods, one end of which is fixed to the shut-down electrolytic cell column busbar by a locking clip, and the other end is fixed to the downstream normally operating electrolytic cell column busbar by a locking clip, thereby achieving the purpose of demagnetization.

[0005] Since the degaussing bar is made of aluminum alloy material, it is relatively heavy itself. When the electrolytic cell to be overhauled below is relatively wide, a longer degaussing bar is required. At this time, the degaussing bar will be relatively heavy, and it is often impossible to stably fix the degaussing bar between the two column busbars only by the clamping force of the locking clips at both ends. Summary of the Invention

[0006] The purpose of the present invention is to provide a degaussing bar device for an electrolytic cell, which can facilitate the stable fixation of the bar body between the two column busbars.

[0007] The above technical purpose of the present invention is achieved through the following technical solutions: A degaussing bar device for an electrolytic cell includes two column busbars, the bar bodies of two degaussing bars located between the two column busbars, a platform surface opened on the outer wall of the end of the bar body, and a clamping component located on the column busbars and used for clamping the two bar bodies. The clamping component includes a clamping plate in an inverted "U" shape for the two bar bodies to be embedded, two swing arms respectively located at both ends of the clamping plate and rotatably connected to the end of the clamping plate at one end, a connecting arm arranged on the swing arm, and a locking platform arranged on the side wall of the connecting arm and used for pressing against the platform surface. The thickness of the locking platform gradually increases from top to bottom. A support roller for supporting the lower sides of the two bar bodies is rotatably connected between the two swing arms and at the end of the swing arm far from the clamping plate. An externally threaded column extending obliquely downward is arranged in the middle of the swing arm. The lower end of the externally threaded column is threadedly connected with an internally threaded tube. A pressing plate for pressing against the outer wall of the column busbar is arranged between the two internally threaded tubes. A tube sleeve for the end of the internally threaded tube far from the externally threaded column to be embedded is rotatably connected to the pressing plate.

[0008] By adopting the above technical solutions, after the ends of the two bar bodies are respectively located on both sides of the column busbar, the clamping plate is provided for the two bar bodies to be embedded. Then, the swing arms are rotated upward, so that the locking platforms on the connecting arms abut against the platform surfaces of the bar bodies. As the swing arms are gradually rotated upward, the locking platforms can press the bar bodies against the column busbars. Among them, when the swing arms are rotated, the length of the power arm is greater than the length of the resistance arm, which is beneficial to driving the locking platforms to press against the column busbars more labor-savingly;

[0009] Subsequently, the internally threaded tubes at the lower ends of the externally threaded columns are rotated, so that the internally threaded tubes move away from the externally threaded columns. Then, the internally threaded tubes can be embedded in the tube sleeves on the pressing plates, thereby driving the pressing plates to press against the outer walls of the column busbars. At the same time, the support rollers also support the lower sides of the two bar bodies. At this time, after the two bar bodies are clamped on the column busbars, the swing arms, the internally threaded tubes and the pressing plates are used to support the outer walls of the column busbars, and at the same time, the support rollers are used to support the lower sides of the two bar bodies. Finally, it is beneficial to the stable fixation of the bar bodies between the two column busbars.

[0010] A further setting of the present invention is that: an anti-slip stripe-covered hand grip is fixed on the outer wall of the internally threaded tube.

[0011] By adopting the above technical solution, when the internal threaded pipe needs to be rotated, the friction force can be increased by using the hand grip sleeve, which can ultimately facilitate the stable rotation of the internal threaded pipe.

[0012] The present invention is further configured as follows: a rubber sleeve is sleeved on the peripheral outer wall of the support roller.

[0013] By adopting the above technical solution, the rubber sleeve is pressed against the outer wall of the rod body. Since the surface of the rubber sleeve is soft and can undergo elastic deformation, it is beneficial for the support roller to be stably supported on the lower side of the rod body after the swing arm moves upward.

[0014] The present invention is further configured as follows: an arc-shaped mounting arm is provided at one end of the swing arm away from the clamping plate, an arc-shaped adjustment hole is provided in the mounting arm for the end of the support roller to be embedded, and a driving member is provided on the swing arm for pushing the end of the support roller to move in the adjustment hole.

[0015] By adopting the above technical solution, when the swing arm swings upward and the locking platform is locked on the platform surface, the driving member is used to push the end of the support roller to move in the adjustment hole, so that the support roller moves up along the adjustment hole and is stably pressed against the lower side of the rod body.

[0016] The present invention is further configured as follows: the driving member includes a table plate arranged at the side wall of the swing arm away from the clamping plate, an internal threaded sleeve arranged on the table plate, a driving bolt threadedly connected in the internal threaded sleeve, and a push plate arranged at the end of the driving bolt and used to press against the outer wall of the support roller.

[0017] By adopting the above technical solution, after rotating the driving bolt, the driving bolt can drive the push plate to contact the outer wall of the supporting roller. As the driving bolt rotates, the push plate can push the supporting roller to move up along the adjusting hole and then stably press against the lower side of the rod body.

[0018] The present invention is further configured as follows: a fixed arm is provided on the lower side of the swing arm close to one end of the clamping plate, and a support shaft is provided between the two fixed arms; when the swing arm swings downward and the support shaft is supported on the lower sides of the two rod bodies, the support roller is supported on the ground and the connecting line between the two ends of the swing arm is located on the side of the vertical center line away from the rod body.

[0019] By adopting the above technical solution, when the rod body needs to be removed from the busbar of the column, the internal threaded tube is twisted toward the side close to the external threaded column to disengage the pressure plate from the internal threaded tube, and then the swing arm can be rotated downward. When the support shaft is supported on the lower side of the two rod bodies, the support roller is supported on the ground. At the same time, the connecting line between the two ends of the swing arm is located on the side of the vertical center line away from the rod body. At this time, the two rod bodies can be supported on the ground by the swing arm and the support roller, and by pushing the swing arm, the support roller can be used to roll on the ground to drive the two rod bodies to move, which can ultimately facilitate the removal of the rod body and drive the rod body to move.

[0020] The present invention is further configured as follows: when the swing arm swings downward and the support shaft is supported on the lower sides of the two rods, the support rollers lift the rods so that the rods are separated from the column busbar.

[0021] By adopting the above technical solution, when the swing arm is rotated downward and the support shaft is supported on the lower side of the two rods, after the support rollers are supported on the ground, the rods can be lifted by the support rollers and the swing arm, so that the rods can be moved up and separated from the column busbar, and finally the rods on the column busbar can be easily removed.

[0022] The present invention is further configured as follows: a ring sleeve for embedding the ends of two rods is arranged on the side wall of the pressing plate, and a positioning piece for positioning the rod relative to the swing arm is arranged between the pressing plate and the internal threaded tube.

[0023] By adopting the above technical solution, when the rod body is moved by the swing arm and the support roller, the ring sleeve of the pressure plate is embedded in the two ends of the rod body, and the positioning piece is used to position the position of the rod body relative to the swing arm, which is ultimately beneficial to the stability of the rod body during movement.

[0024] The present invention is further configured as follows: the positioning member comprises a connecting rod arranged in one end of the internally threaded pipe away from the externally threaded column, and a connecting rope connected to the connecting rod at one end and to the inner wall of the pipe sleeve at the other end.

[0025] By adopting the above technical solution, one end of the connecting rope is connected to the connecting rod and the other end is connected to the inner wall of the sleeve. After the two ends of the rod are embedded in the ring sleeve of the pressure plate, the connecting rope can lock the position between the rod and the swing arm, which is ultimately beneficial to the stability of the rod during movement.

[0026] The beneficial effect of the present invention is that when the ends of the two rods are respectively located on both sides of the column busbar, the two rods are embedded with the clamping plate, and then the swing arm is rotated upward so that the locking platform on the connecting arm abuts against the platform surface of the rod, and as the swing arm gradually swings upward, the locking platform can press the rod onto the column busbar, wherein when the swing arm is rotated, the length of the power arm is greater than the length of the resistance arm, thereby facilitating the locking platform to be pressed onto the column busbar with relatively less effort;

[0027] Then, the internal threaded tube at the lower end of the external threaded column is rotated to make the internal threaded tube move toward the side away from the external threaded column, and then the internal threaded tube can be embedded in the pipe sleeve on the pressure plate, thereby driving the pressure plate to press against the outer wall of the column busbar, and at the same time, the driving bolt is rotated, and the driving bolt can drive the push plate to press against the outer wall of the support roller, and with the rotation of the driving bolt, the push plate can push the support roller to move up along the adjustment hole and then stably press against the lower side of the rod body; at this time, after the two rod bodies are clamped on the column busbar, the swing arm, the internal threaded tube and the pressure plate are supported on the outer wall of the column busbar, and the support roller is used to support the lower side of the two rod bodies, which can finally facilitate the stable fixation of the rod body between the two column busbars;

[0028] When the rod body needs to be removed from the column busbar, the internal threaded tube is twisted toward the side close to the external threaded column to disengage the pressure plate from the internal threaded tube, and then the swing arm can be rotated downward. When the support shaft is supported on the lower side of the two rod bodies, the support roller is supported on the ground, and the connecting line between the two ends of the swing arm is located on the side of the vertical center line away from the rod body. At this time, the two ends of the two rod bodies can be supported on the ground by the swing arm and the support roller; when the swing arm is rotated downward and the support shaft is supported on the lower side of the two rod bodies, after the support roller is supported on the ground, the rod body can be lifted by the support roller and the swing arm, so that the rod body moves up and disengages from the column busbar; at the same time, the ring sleeve of the pressure plate is embedded in the ends of the two rod bodies, and then the position of the rod body relative to the swing arm is positioned by the connecting rope, and the axial movement of the two rod bodies on the upper side of the swing arm can be limited by the pressure plate and the connecting rope; then, by pushing the swing arm, the two rod bodies can be driven to move by the support roller rolling on the ground, which can finally facilitate the convenient removal of the rod body and the stable driving movement of the rod body. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0030] Figure 1 It is a structural schematic diagram of the present invention.

[0031] Figure 2 It is an enlarged structural diagram of the clamping assembly in the present invention;

[0032] Figure 3 It is a partial enlarged view of the connection relationship between the swing arm, the mounting arm, the support roller and the driving member in the present invention;

[0033] Figure 4It is a partial structural plan view of the present invention, at this time, the swing arm swings upward so that the locking platform is pressed against the platform surface, and the pressure plate is pressed against the outer wall of the column busbar;

[0034] Figure 5 It is a partial structural plan view of the present invention. At this time, the swing arm swings downward so that the support roller is supported on the ground, and the ring sleeve of the pressure plate is used for the two rod ends to be embedded. At the same time, the rod is lifted and separated from the column busbar.

[0035] In the figure, 1. column busbar; 2. rod body; 21. platform surface; 3. clamping assembly; 31. clamping plate; 32. swing arm; 321. mounting arm; 322. adjustment hole; 33. connecting arm; 34. locking table; 4. support roller; 41. rubber sleeve; 5. external thread column; 51. internal thread pipe; 511. hand grip sleeve; 6. pressure plate; 61. pipe sleeve; 62. ring sleeve; 7. driving part; 71. table; 72. internal thread sleeve; 73. driving bolt; 74. push plate; 8. fixed arm; 81. support shaft; 9. positioning part; 91. connecting rod; 92. connecting rope. DETAILED DESCRIPTION

[0036] The technical solution of the present invention will be clearly and completely described below in conjunction with specific embodiments. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0037] A demagnetizing rod device for an electrolytic cell, referring to Figure 1 The electrolytic cell demagnetization rod device includes a column busbar 1, a rod body 2, a platform surface 21, and a clamping assembly 3, wherein the column busbar 1 has two, one is the column busbar 1 of the electrolytic cell that has been shut down, and the other end is the column busbar 1 of the downstream electrolytic cell that operates normally; at the same time, two rod bodies 2 are provided and located between the two column busbars 1, and the ends of the two rod bodies 2 are used to clamp on both sides of the column busbar 1, and the rod body 2 is made of aluminum alloy material, wherein the platform surface 21 is opened at the outer wall of the end of the rod body 2.

[0038] Reference Figure 1 , Figure 2, the clamping component 3 is located on the column busbar 1 and is used to clamp two rod bodies 2, so as to complete the clamping and fixing of the column busbar 1 through the two rod bodies 2; this kind of clamping component 3 includes a clamping plate 31, a swing arm 32, a connecting arm 33, and a locking platform 34. The clamping plate 31 is in an inverted "U" shape and allows two rod bodies 2 to be inserted. There are two swing arms 32, which are respectively located at both ends of the clamping plate 31. One end of the swing arm 32 is rotatably connected to the inner side of the end of the clamping plate 31. The connecting arm 33 is integrally arranged on the side wall of the swing arm 32 near the clamping plate 31. The locking platform 34 is welded on the side wall of the connecting arm 33, and the thickness of the locking platform 34 gradually increases from top to bottom. At this time, the locking platform 34 can be used to abut against the platform surface 21.

[0039] Referring to Figure 2 , Figure 3 , a support roller 4 is rotatably connected between the two swing arms 32 and at the end of the swing arm 32 far from the clamping plate 31. A rubber sleeve 41 is sleeved on the outer wall of the circumferential side of the support roller 4. The support roller 4 is used to support the lower sides of the two rod bodies 2. An arc-shaped mounting arm 321 is integrally arranged at the end of the swing arm 32 far from the clamping plate 31. An arc-shaped adjustment hole 322 for the end of the support roller 4 to be inserted is opened in the mounting arm 321. A driving member 7 for pushing the end of the support roller 4 to move in the adjustment hole 322 is also arranged on the swing arm 32. This kind of driving member 7 includes a table plate 71, an internal thread sleeve 72, a driving bolt 73, and a push plate 74. The table plate 71 is welded on the side wall of the swing arm 32 at the end far from the clamping plate 31. The internal thread sleeve 72 is welded on the table plate 71. The driving bolt 73 is threadedly connected in the internal thread sleeve 72. The push plate 74 is welded at the end of the driving bolt 73 and is used to abut against the outer wall of the support roller 4.

[0040] Referring to Figure 1 , Figure 2 , Figure 5 , an external thread column 5 extending obliquely downward is welded in the middle of the swing arm 32. The lower end of the external thread column 5 is threadedly connected with an internal thread tube 51, and a hand grip 511 with anti-slip stripes on the surface is welded on the outer wall of the internal thread tube 51; a pressing plate 6 abutting against the outer wall of the column busbar 1 is arranged between the two internal thread tubes 51. A tube sleeve 61 is rotatably connected to the pressing plate 6 through a shaft and a bearing, and the end of the internal thread tube 51 far from the external thread column 5 can be inserted into the tube sleeve 61; a ring sleeve 62 for the ends of the two rod bodies 2 to be inserted is also welded on the side wall of the pressing plate 6. A positioning member 9 for positioning the position of the rod body 2 relative to the swing arm 32 is also arranged between the pressing plate 6 and the internal thread tube 51. This kind of positioning member 9 includes a connecting rod 91 and a connecting rope 92. The connecting rod 91 is welded inside the end of the internal thread tube 51 far from the external thread column 5. One end of the connecting rope 92 is fixedly connected with the connecting rod 91 and the other end is fixedly connected with the inner wall of the tube sleeve.

[0041] Reference Figure 2 , Figure 5 A fixed arm 8 is welded to the lower side of the swing arm 32 near one end of the clamping plate 31, and a support shaft 81 is welded between the two fixed arms 8. When the swing arm 32 swings downward and the support shaft 81 is supported on the lower sides of the two rod bodies 2, the support roller 4 is supported on the ground. At the same time, the connecting line between the two ends of the swing arm 32 is located on the side of the vertical center line away from the rod body 2. When the swing arm 32 swings downward and the support shaft 81 is supported on the lower sides of the two rod bodies 2, the support roller 4 lifts the rod body 2 so that the rod body 2 is separated from the column busbar 1.

[0042] Principle: When the ends of the two rods 2 are respectively located on both sides of the column busbar 1, the clamping plate 31 is inserted into the two rods 2, and then the swing arm 32 is rotated upward so that the locking platform 34 on the connecting arm 33 contacts the platform surface 21 of the rod 2. As the swing arm 32 gradually swings upward, the locking platform 34 can press the rod 2 onto the column busbar 1. When the swing arm 32 is rotated, the length of the power arm is greater than the length of the resistance arm, which is conducive to driving the locking platform 34 to be pressed onto the column busbar 1 with less effort.

[0043] Then, the internal threaded tube 51 at the lower end of the external threaded column 5 is rotated to make the internal threaded tube 51 move toward the side away from the external threaded column 5, and then the internal threaded tube 51 can be embedded in the pipe sleeve 61 on the pressure plate 6, thereby driving the pressure plate 6 to press against the outer wall of the column busbar 1, and at the same time, the driving bolt 73 is rotated, and the driving bolt 73 can drive the push plate 74 to press against the outer wall of the support roller 4, and with the rotation of the driving bolt 73, the push plate 74 can push the support roller 4 to move up along the adjustment hole 322 and then stably press against the lower side of the rod body 2; at this time, after the two rod bodies 2 are clamped on the column busbar 1, the swing arm 32, the internal threaded tube 51 and the pressure plate 6 are supported on the outer wall of the column busbar 1, and the support roller 4 is used to support the lower side of the two rod bodies 2, which is finally conducive to the stable fixation of the rod body 2 between the two column busbars 1.

[0044] When the rod body 2 needs to be removed from the column busbar 1, the internal threaded tube 51 is twisted toward the side close to the external threaded column 5, so that the pipe sleeve 61 is disengaged from the internal threaded tube 51, and then the swing arm 32 can be rotated downward. When the support shaft 81 is supported on the lower side of the two rod bodies 2, the support roller 4 is supported on the ground, and the connecting line between the two ends of the swing arm 32 is located on the side of the vertical center line away from the rod body 2. At this time, the two ends of the two rod bodies 2 can be supported on the ground by the swing arm 32 and the support roller 4; when the swing arm 32 is rotated downward and the support shaft 81 is supported on the lower side of the two rod bodies 2, the support roller 4 supports After being on the ground, the rod body 2 can be lifted by the support roller 4 and the swing arm 32, so that the rod body 2 can be separated from the column busbar 1 after moving up; at the same time, the ring sleeve 62 of the pressure plate 6 is provided for the two ends of the rod body 2 to be embedded, and then the position of the rod body 2 relative to the swing arm 32 is positioned by using the connecting rope 92, and the axial movement of the two rod bodies 2 on the upper side of the swing arm 32 can be limited by the pressure plate 6 and the connecting rope 92; then, by pushing the swing arm 32, the support roller 4 can be relied on to roll on the ground, thereby driving the two rod bodies 2 to move, which can finally facilitate the more convenient removal of the rod body 2 and stably drive the rod body 2 to move.

Claims

1. A demagnetizing rod device for an electrolytic cell, comprising two column busbars (1), two rod bodies (2) of the demagnetizing rods located between the two column busbars (1), a platform surface (21) provided at the outer wall of the end of the rod body (2), and a clamping assembly (3) located on the column busbars (1) and used for clamping the two rod bodies (2), characterized in that: The clamping component (3) includes a clamping plate (31) in an inverted "U" shape for two rod bodies (2) to be embedded, two swing arms (32) respectively located at both ends of the clamping plate (31) and rotatably connected to the end of the clamping plate (31) at one end, a connecting arm (33) arranged on the swing arm (32), and a locking platform (34) arranged on the side wall of the connecting arm (33) and used to press against the platform surface (21). The thickness of the locking platform (34) gradually increases from top to bottom. A support roller (4) supporting the lower sides of the two rod bodies (2) is rotatably connected between the two swing arms (32) and at the end of the swing arm (32) far from the clamping plate (31). An externally threaded column (5) extending obliquely downward is arranged in the middle of the swing arm (32). The lower end of the externally threaded column (5) is threadedly connected with an internally threaded tube (51). A pressing plate (6) pressing against the outer wall of the column generatrix (1) is arranged between the two internally threaded tubes (51). A tube sleeve (61) for the end of the internally threaded tube (51) far from the externally threaded column (5) to be embedded is rotatably connected to the pressing plate (6); a rubber sleeve (41) is sleeved on the outer circumferential wall of the support roller (4); an arc-shaped mounting arm (321) is arranged at the end of the swing arm (32) far from the clamping plate (31). An arc-shaped adjusting hole (322) for the end of the support roller (4) to be embedded is formed in the mounting arm (321). A driving member (7) for pushing the end of the support roller (4) to move in the adjusting hole (322) is arranged on the swing arm (32).

2. The electrolytic cell demagnetization rod device according to claim 1, characterized in that: A handgrip sleeve (511) with anti-slip stripes on the surface is fixed on the outer wall of the internally threaded tube (51).

3. The electrolytic cell demagnetization rod device according to claim 1, characterized in that: The driving member (7) includes a platform plate (71) arranged on the side wall of the end of the swing arm (32) far from the clamping plate (31), an internally threaded sleeve (72) arranged on the platform plate (71), a driving bolt (73) threadedly connected in the internally threaded sleeve (72), and a push plate (74) arranged at the end of the driving bolt (73) and used to press against the outer wall of the support roller (4).

4. The electrolytic cell demagnetization rod device according to claim 1, characterized in that: A fixed arm (8) is arranged on the lower side of the end of the swing arm (32) close to the clamping plate (31). A support shaft (81) is arranged between the two fixed arms (8). When the swing arm (32) swings downward and the support shaft (81) supports the lower sides of the two rod bodies (2), the support roller (4) supports on the ground and the connecting line between the two ends of the swing arm (32) is located on the side far from the rod body (2) of the vertical center line.

5. The electrolytic cell demagnetization rod device according to claim 4, characterized in that: When the swing arm (32) swings downward and the support shaft (81) supports the lower sides of the two rod bodies (2), the support roller (4) raises the rod body (2) so that the rod body (2) is separated from the column generatrix (1).

6. The electrolytic cell demagnetization rod device according to claim 5, characterized in that: A ring sleeve (62) for the ends of the two rod bodies (2) to be embedded is arranged on the side wall of the pressing plate (6). A positioning member (9) for positioning the position of the rod body (2) relative to the swing arm (32) is arranged between the pressing plate (6) and the internally threaded tube (51).

7. The electrolytic cell demagnetization rod device according to claim 6, characterized in that: The positioning member (9) comprises a connecting rod (91) disposed in one end of the internally threaded tube (51) away from the externally threaded column (5), and a connecting rope (92) connected to the connecting rod (91) at one end and connected to the inner wall of the tube sleeve (61) at the other end.

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