Hydraulic crust breaking device for electrolytic cell

Abstract

The utility model discloses an electrolytic tank hydraulic pressure crust breaking device, including electro -hydraulic push rod, one end of the electro -hydraulic push rod is equipped with fixed shaft, and the telescopic end of electro -hydraulic push rod is installed with the adjusting screw cylinder, the adjusting screw cylinder is away from the electro -hydraulic push rod and is connected with the hammer pole in screw thread, the one end of hammer pole is away from the adjusting screw cylinder and is equipped with the thread groove, and the inside screw thread connection of thread groove has the hammer head. This electrolytic tank hydraulic pressure crust breaking device has independent hydraulic system, can output stable beating strength to avoid appearing and can improve production efficiency, still can replace according to the wear condition of hammer head, need not to replace entire hammer pole, can reduce the waste of resources, save the cost, simple structure, convenient operation.

Description

Technical Field

[0001] This utility model relates to the field of aluminum electrolysis cell technology, specifically to a hydraulic shell-breaking device for electrolysis cells. Background Technology

[0002] In the production process of aluminum electrolysis cells, alumina is continuously added to the electrolyte solution at approximately 940°C within the electrolysis cell. However, a solid crust forms on the surface of the high-temperature electrolyte. When adding alumina, this crust must first be broken. The process of breaking the crust is called "shell breaking," and the equipment used to do so is called a shell breaking device. Currently, aluminum electrolysis cell shell breaking devices typically employ a cylinder-driven hammer rod structure. The cylinder, through air intake and exhaust, causes the cylinder rod to reciprocate, thereby driving the hammer rod back and forth (air pressure) to achieve the purpose of breaking the crust.

[0003] In actual production, compressed air is prone to pressure loss after passing through various pipelines, resulting in low cylinder pressure. This leads to problems such as the inability to penetrate the crust or the hammer rod getting stuck. The failure rate is high, and frequent maintenance is required, which reduces production efficiency and makes the machine inconvenient to use. In addition, the hammer rod wears out severely when hammering the crust, and the current practice is to replace the entire hammer rod, which wastes resources and increases production costs. Utility Model Content

[0004] The technical problem to be solved by this utility model is to overcome the existing defects and provide a hydraulic shell-breaking device for electrolytic cells. It has an independent hydraulic system that can output a stable striking force, thereby avoiding situations where the shell cannot be broken or gets stuck. This can improve production efficiency. The hammer head can also be replaced according to its wear condition, without replacing the entire hammer rod, which can reduce resource waste and save costs. The structure is simple and easy to operate, and it can effectively solve the problems in the background technology.

[0005] To achieve the above objectives, this utility model provides the following technical solution: an electrolytic cell hydraulic shell-breaking device, comprising an electrohydraulic push rod, a fixed shaft provided on the side of the electrohydraulic push rod, and an adjusting screw installed on the telescopic end of the electrohydraulic push rod, wherein a hammer rod is threadedly connected to the end of the adjusting screw away from the electrohydraulic push rod, and a threaded groove is provided on the end of the hammer rod away from the adjusting screw, wherein a hammer head is threadedly connected inside the threaded groove.

[0006] As a preferred technical solution of this utility model, the telescopic end of the electro-hydraulic actuator is provided with a connecting seat, and a connecting column is installed on the connecting seat through a pin. The connecting column is threadedly connected to the upper end of the inner cavity of the adjusting screw.

[0007] As a preferred embodiment of this utility model, an adjustment hole is provided in the middle of the side of the adjusting screw cylinder.

[0008] As a preferred technical solution of this utility model, the side edge of the fixed end of the electro-hydraulic actuator is provided with a threaded cylinder, and the internal thread of the threaded cylinder is connected to a protective sleeve for guiding the hammer rod.

[0009] Compared with the prior art, the beneficial effects of this utility model are:

[0010] The electrolytic cell hydraulic shell-breaking device of this utility model has an independent hydraulic system that can output a stable striking force, thereby avoiding situations where the shell cannot be broken or gets stuck. This can improve production efficiency. The hammer head can also be replaced according to its wear condition, without replacing the entire hammer rod, which can reduce resource waste, save costs, and has a simple structure and is easy to operate. Attached Figure Description

[0011] Figure 1 This is a schematic diagram of the structure of this utility model.

[0012] In the diagram: 1 Electro-hydraulic actuator, 2 Fixed shaft, 3 Connecting seat, 31 Connecting column, 4 Adjusting screw, 41 Adjusting hole, 5 Hammer rod, 6 Hammer head, 7 Threaded cylinder, 71 Protective sleeve. Detailed Implementation

[0013] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0014] Please see Figure 1 This utility model provides a technical solution: a hydraulic shell-breaking device for an electrolytic cell, including an electrohydraulic push rod 1, a fixed shaft 2 on the side of the electrohydraulic push rod 1, and an adjusting screw 4 installed at the telescopic end of the electrohydraulic push rod 1. A hammer rod 5 is threadedly connected to the end of the adjusting screw 4 away from the electrohydraulic push rod 1. A threaded groove is opened at the end of the hammer rod 5 away from the adjusting screw 4, and a hammer head 6 is threadedly connected inside the threaded groove. In the existing shell-breaking operation, the hammer rod 5 is used to directly break the shell. However, the striking end of the hammer rod 5 is severely worn, and the entire hammer rod 5 needs to be replaced after use, resulting in resource waste. Therefore, a detachable hammer head 6 is used. When the hammer head 6 is severely worn, it only needs to be replaced. The hammer rod 5 can be used for a long time, reducing waste.

[0015] Furthermore, the telescopic end of the electro-hydraulic actuator 1 is provided with a connecting seat 3, and a connecting post 31 is installed on the connecting seat 3 via a pin. The connecting post 31 is threadedly connected to the upper end of the adjusting cylinder 4.

[0016] Furthermore, ordinary threaded connections have a regular hexagonal structure inside or outside, while the adjusting screw cylinder 4 has a cylindrical structure. In order to facilitate the rotation of the adjusting screw cylinder 4, an adjusting hole 41 is provided in the middle of the side of the adjusting screw cylinder 4, so that the handle can be inserted to rotate the adjusting screw cylinder 4.

[0017] Furthermore, a threaded cylinder 7 is provided on the side edge of the fixed end of the electro-hydraulic actuator 1, and a protective sleeve 71 for guiding the hammer rod 5 is connected inside the threaded cylinder 7. This can protect the piston of the electro-hydraulic actuator 1 and guide the hammer rod 5.

[0018] The electro-hydraulic actuators 1 used in this utility model are all commonly used driving devices in the prior art. Their working methods and structures are known technologies and will not be described in detail here.

[0019] When using:

[0020] Install the fixed shaft 2 on the upper part of the electrolytic cell, and fix the drive motor of the electrohydraulic push rod 1 on the crossbeam on the upper part of the electrolytic cell. Thread the adjusting screw 4 to the connecting column 31, and thread the hammer rod 5 to the adjusting screw 4. Then, put the protective sleeve 71 on the hammer rod 5 and thread it to the threaded sleeve 7. Finally, thread the hammer head 6 to the hammer rod 5.

[0021] The drive motor drives the bidirectional hydraulic pump to output pressurized oil in both directions, which is then sent to the oil cylinder through the hydraulic control valve and oil pipe to realize the reciprocating motion of the piston rod, thus completing the shell-breaking operation.

[0022] This utility model has an independent hydraulic system that can output a stable striking force, thereby avoiding situations where the hammer cannot penetrate or gets stuck, which can improve production efficiency. It can also replace the hammer head 6 according to the wear condition, without replacing the entire hammer rod 5, which can reduce resource waste, save costs, and has a simple structure and is easy to operate.

[0023] The parts not disclosed in this utility model are all prior art, and their specific structures, materials, and working principles will not be described in detail. Although embodiments of this utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of this utility model, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A hydraulic shell-breaking device for an electrolytic cell, comprising an electrohydraulic push rod (1), characterized in that: The electro-hydraulic actuator (1) has a fixed shaft (2) on its side, and an adjusting screw (4) is installed on the telescopic end of the electro-hydraulic actuator (1). A hammer rod (5) is threadedly connected to the end of the adjusting screw (4) away from the electro-hydraulic actuator (1). A threaded groove is opened at the end of the hammer rod (5) away from the adjusting screw (4), and a hammer head (6) is threadedly connected inside the threaded groove.

2. The electrolytic cell hydraulic shell-breaking device according to claim 1, characterized in that: The telescopic end of the electro-hydraulic actuator (1) is provided with a connecting seat (3), and a connecting column (31) is installed on the connecting seat (3) by means of a pin. The connecting column (31) is threadedly connected to the upper end of the inner part of the adjusting screw (4).

3. The electrolytic cell hydraulic shell-breaking device according to claim 1, characterized in that: An adjustment hole (41) is provided in the middle of the side of the adjusting screw (4).

4. The electrolytic cell hydraulic shell-breaking device according to claim 1, characterized in that: The side edge of the fixed end of the electro-hydraulic actuator (1) is provided with a threaded cylinder (7), and the internal thread of the threaded cylinder (7) is connected to a protective sleeve (71) that guides the hammer rod (5).

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