Crust breaking mechanism of aluminum electrolysis crown block

Abstract

The utility model discloses an aluminum electrolysis crown block crust breaking mechanism which comprises a machine frame, oil cylinder bases are arranged on the two sides of the machine frame, the lower ends of the oil cylinder bases are movably connected with hydraulic cylinders through pin shafts, the stroke ends of the hydraulic cylinders are movably connected with U-shaped connecting bases, the two sides of the lower end of the machine frame are movably connected with upper connecting rods through pin shafts, and the upper connecting rods are movably connected with lower connecting rods through pin shafts. The side, close to the rack, of the upper connecting rod is fixedly connected with the U-shaped connecting base, the end, away from the rack, of the upper connecting rod is fixedly connected with the support, the crust breaking machine head is fixedly installed on the support, the lower end of the support is movably connected with the lower connecting rod through a pin shaft, and the end, away from the support, of the lower connecting rod is movably connected with the rack. The crust breaking mechanism is simple in structure, convenient to operate and good in protection effect on the hydraulic cylinder, the phenomenon that the hydraulic cylinder is damaged due to scratching is avoided, the maintenance cost of the crust breaking mechanism is reduced, and the service life of the crust breaking mechanism is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of a crane shell breaking mechanism, in particular to a crane shell breaking mechanism for aluminum electrolysis. Background Art

[0002] A large number of electrolytic cells are used in the electrolytic aluminum industry. During operation, the electrolytic cells need to cover the anode and aluminum liquid with a certain thickness of electrolyte, fluoride salt and other powder materials to keep the aluminum liquid warm. Under the action of high temperature and electrolysis, these powder materials will continue to connect tightly and finally form a dense layer with a thickness of about 150mm, commonly known as the electrolyte shell. Due to the existence of this electrolyte shell, adding alumina to the electrolytic cell, replacing anode carbon blocks, and removing anode carbon slag from the electrolytic cell are greatly inconvenient. Usually, before doing these tasks, it is necessary to use a special shelling cylinder installed in the electrolytic cell or a shelling machine on the electrolytic multifunctional overhead crane to break the shell surface of the electrolytic cell before carrying out subsequent work. During the process of replacing the anode and opening the center seam of the overhead crane, the tilting cylinder rod is easy to scratch the horizontal cover of the electrolytic cell, causing scratches on the cylinder rod, damaging the smoothness of the cylinder rod, and the cylinder rod oil seal is pulled, causing the cylinder to leak oil and slide down, affecting the normal use of the shelling machine, and posing a safety hazard. In addition, the frequent replacement of the tilting cylinder of the shelling machine will increase the maintenance cost and the workload of the maintenance workers. For this reason, we proposed a shelling mechanism for an aluminum electrolytic overhead crane. Utility Model Content

[0003] In order to solve the above problems, the utility model provides a shelling mechanism for an aluminum electrolysis crane. The utility model solves the problem that during the process of replacing the anode and opening the center seam of the crane, the cylinder rod of the tilting oil cylinder easily scrapes the horizontal cover of the electrolytic cell, causing scratches on the cylinder rod, damaging the smoothness of the cylinder rod, and the cylinder rod oil seal is pulled, causing the oil cylinder to leak oil and slide down, affecting the normal use of the shelling machine, and posing safety hazards. In addition, the maintenance cost and the labor of the maintenance worker increase with the frequent replacement of the tilting oil cylinder of the shelling machine.

[0004] The utility model discloses a shelling mechanism for an aluminum electrolysis overhead crane, comprising a frame, cylinder seats are arranged on both sides of the frame, the lower ends of the cylinder seats are movably connected to the hydraulic cylinder through a pin shaft, the stroke end of the hydraulic cylinder is movably connected to the U-shaped connecting seat, both sides of the lower end of the frame are movably connected to the upper connecting rod through a pin shaft, the upper connecting rod is fixedly connected to the U-shaped connecting seat at one side close to the frame, the upper connecting rod is fixedly connected to a support at one end away from the frame, a shelling machine head is fixedly installed on the support, the lower end of the support is movably connected to the lower connecting rod through a pin shaft, and the lower connecting rod is movably connected to the frame at one end away from the support.

[0005] In the above solution, the frame is provided with a protective cover on the outside of the hydraulic cylinder.

[0006] In the above solution, the protective cover is fixedly connected to the frame by bolts.

[0007] In the above solution, the two upper connecting rods are fixedly connected via a mounting plate, a proximity switch is fixedly mounted on the mounting plate, and a sensing plate matching the proximity switch is provided on the frame.

[0008] In the above solution, four mounting holes arranged in a matrix are provided above the rack.

[0009] In the above solution, an air inlet connector is provided on the shelling machine head.

[0010] The advantages and beneficial effects of the utility model are as follows: the utility model provides a shelling mechanism for an aluminum electrolysis overhead crane, the hydraulic cylinder drives the U-shaped connecting seat to rotate around the upper connecting rod and the upper connecting rod to rotate around the pin shaft, and the lower connecting rod rotates around the lower end of the frame at the same time, and the shelling machine head installed on the support can swing at multiple angles through the mutual cooperation between the upper connecting rod and the lower connecting rod, and the hydraulic cylinders are respectively located on both sides of the frame, which effectively avoids the phenomenon of scratching between the hydraulic cylinder rod and the horizontal cover of the electrolytic cell compared with the traditional installation method. This shelling mechanism has a simple structure, is easy to operate, has a good protective effect on the hydraulic cylinder, avoids the phenomenon of damage to the hydraulic cylinder due to scratching, reduces the maintenance cost of the shelling mechanism, and increases the service life of the shelling mechanism. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0012] Figure 1 It is the front view of the utility model;

[0013] Figure 2 This is the front view of the protective cover of the utility model after it is removed;

[0014] Figure 3 It is a cross-sectional view of the frame of the utility model.

[0015] In the figure: 1. Frame 2. Cylinder seat 3. Hydraulic cylinder 4. Mounting hole

[0016] 5. Upper connecting rod 6. U-shaped connecting seat 7. Support 8. Shelling machine head

[0017] 9. Lower connecting rod 10. Protective cover 11. Bolt 12. Mounting plate

[0018] 13. Proximity switch 14. Sensor plate 15. Air intake connector. DETAILED DESCRIPTION

[0019] The following is a further description of the specific implementation of the present invention in conjunction with the accompanying drawings and embodiments. The following embodiments are only used to more clearly illustrate the technical solution of the present invention, and cannot be used to limit the protection scope of the present invention.

[0020] like Figure 1-3 As shown, the utility model is a shelling mechanism for an aluminum electrolysis overhead crane, comprising a frame 1, cylinder seats 2 are provided on both sides of the frame 1, the lower end of the cylinder seat 2 is movably connected to a hydraulic cylinder 3 through a pin shaft, the stroke end of the hydraulic cylinder 3 is movably connected to a U-shaped connecting seat 6, both sides of the lower end of the frame 1 are movably connected to an upper connecting rod 5 through a pin shaft, the upper connecting rod 5 is fixedly connected to the U-shaped connecting seat 6 on one side close to the frame 1, and the upper connecting rod 5 is fixedly connected to a support 7 at one end away from the frame 1, a shelling machine head 8 is fixedly installed on the support 7, and the lower end of the support 7 is connected to the upper connecting rod 5 through a pin shaft. It is movably connected to the lower connecting rod 9, and the lower connecting rod 9 is movably connected to the frame 1 at one end away from the support 7. When the hydraulic cylinder 3 is working, the hydraulic cylinder 3 pushes the U-shaped connecting seat 6 and the upper connecting rod 5 to rotate around the pin shaft, and the lower connecting rod 9 rotates around the lower end of the frame 1. Through the mutual cooperation between the upper connecting rod 5 and the lower connecting rod 9, the shelling machine head 8 installed on the support 7 can be swung at multiple angles. The hydraulic cylinders 3 are respectively located on both sides of the frame 1. Compared with the traditional installation method, it effectively avoids the phenomenon of scratching between the cylinder rod of the hydraulic cylinder 3 and the horizontal cover of the electrolytic cell.

[0021] The frame 1 is provided with a protective cover 10 on the outside of the hydraulic cylinder 3 . The protective cover 10 is located on the outside of the hydraulic cylinder 3 , so as to further protect the hydraulic cylinder 3 .

[0022] The protective cover 10 is fixedly connected to the frame 1 via bolts 11 .

[0023] The two upper connecting rods 5 are fixedly connected by a mounting plate 12, a proximity switch 13 is fixedly mounted on the mounting plate 12, and a sensing plate 14 matching the proximity switch 13 is provided on the frame 1. When the upper connecting rod 5 rotates, the proximity switch 13 moves toward the sensing plate 14 during the upward process of the upper connecting rod 5. When the upper connecting rod 5 moves to the set position, the proximity switch 13 is automatically triggered, thereby stopping the hydraulic cylinder 3 from working.

[0024] Four mounting holes 4 arranged in a matrix are provided above the frame 1 , and the shelling mechanism can be fixedly installed through the mounting holes 4 .

[0025] The crust breaker head 8 is provided with an air intake connector 15 .

[0026] Specifically, in the utility model, when the hydraulic cylinder 3 is working, the hydraulic cylinder 3 pushes the U-shaped connecting seat 6 and the upper connecting rod 5 to rotate around the pin shaft, and the lower connecting rod 9 rotates around the lower end of the frame 1. Through the mutual cooperation between the upper connecting rod 5 and the lower connecting rod 9, the shelling machine head 8 installed on the support 7 can swing at multiple angles. The hydraulic cylinder 3 is respectively located on both sides of the frame 1, and the hydraulic cylinder 3 is protected by the protective cover 10. Compared with the traditional installation method, the hydraulic cylinder 3 is effectively prevented from being scratched by the cylinder rod of the electrolytic cell. When the upper connecting rod 5 rotates, the upper connecting rod 5 is in the process of rising, and the proximity switch 13 moves to the side of the induction plate 14. When the upper connecting rod 5 moves to the set position, the proximity switch 13 is automatically triggered, so that the hydraulic cylinder 3 stops working.

[0027] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A shell breaking mechanism for an aluminum electrolysis overhead crane, comprising a frame (1), characterized in that: Cylinder seats (2) are provided on both sides of the frame (1); the lower end of the cylinder seat (2) is movably connected to the hydraulic cylinder (3) through a pin shaft; the stroke end of the hydraulic cylinder (3) is movably connected to the U-shaped connecting seat (6); both sides of the lower end of the frame (1) are movably connected to the upper connecting rod (5) through a pin shaft; the upper connecting rod (5) is fixedly connected to the U-shaped connecting seat (6) on the side close to the frame (1); the upper connecting rod (5) is fixedly connected to a support (7) at one end away from the frame (1); a shelling machine head (8) is fixedly mounted on the support (7); the lower end of the support (7) is movably connected to a lower connecting rod (9) through a pin shaft; the lower connecting rod (9) is movably connected to the frame (1) at one end away from the support (7).

2. The shell breaking mechanism of an aluminum electrolysis overhead crane according to claim 1, characterized in that: The frame (1) is provided with a protective cover (10) located outside the hydraulic cylinder (3).

3. The shell breaking mechanism of an aluminum electrolysis overhead crane according to claim 2, characterized in that: The protective cover (10) and the frame (1) are fixedly connected via bolts (11).

4. The shell breaking mechanism of an aluminum electrolysis overhead crane according to claim 1, characterized in that: The two upper connecting rods (5) are fixedly connected via a mounting plate (12), a proximity switch (13) is fixedly mounted on the mounting plate (12), and a sensing plate (14) matching the proximity switch (13) is provided on the frame (1).

5. The shell breaking mechanism of an aluminum electrolysis overhead crane according to claim 1, characterized in that: Four mounting holes (4) arranged in a matrix are provided above the frame (1).

6. The shell breaking mechanism of an aluminum electrolysis overhead crane according to claim 1, characterized in that: The shelling machine head (8) is provided with an air intake connector (15).

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