Electrode lengthening device

Abstract

The utility model discloses an electrode lengthening device which comprises a base, steel wire ropes are fixedly connected to the outer walls of the two sides of the base, a lower frame is fixedly connected to the top ends of the steel wire ropes, an upper frame is installed above the lower frame, a lifting mechanism is installed above the upper frame, and a hydraulic valve table is fixedly connected to one end of the inner wall of the lower frame. The automatic electrode extension completely solves the quality problem of manual electrode extension, can realize the functions of remote control operation in an allocation and transportation process, automatic electrode filling, remote control operation of electrode extension, torque detection alarm, electrified electrode extension and the like, improves the working efficiency during electrode replacement, reduces the labor amount, improves the automation level of a factory, and reduces the production cost. The safety risk during electrode replacement work is reduced, the time for manual electrode connection is about 20 min / time, the time can be shortened to 10 min / time by using the system, the time wasted by electrode extension is further saved, automatic extension completely depends on remote control and remote control of workers, the workers do not need to touch equipment in the whole process, and personal safety accidents are not likely to happen.

Description

Technical Field

[0001] The utility model relates to the technical field of electrode extension, in particular to an electrode extension device. Background Art

[0002] The graphite electrode extension needs to check whether the length of the graphite electrode meets the requirements, and prepare the extension materials and tools. Use a cutting machine to cut the graphite electrode into a suitable length, ensure that the cut surface is flat and smooth, without obvious cracks or damage, use a drilling machine to process the corresponding holes at the end of the graphite electrode to install the electrode joint, ensure that the hole is accurately located and of appropriate size to meet the installation requirements, install the electrode joint into the hole of the graphite electrode, and fix it with suitable fasteners. Ensure that the joint is firmly installed without looseness or air leakage, check the appearance and quality of the graphite electrode after extension, and ensure that there are no obvious defects or problems. At the same time, carry out necessary tests to ensure that its electrical and mechanical properties meet the requirements, package the graphite electrode as required to protect it from damage during transportation and storage, ensure that the packaging is tight and firm, and mark the relevant logos. During the extension process, attention should be paid to safety issues, such as wearing protective clothing and gloves to prevent graphite dust and debris from causing harm to the human body. At the same time, caution should be exercised during the operation to avoid damaging the graphite electrode or causing other accidents.

[0003] The following problems exist: the graphite electrodes of industrial silicon ore thermal furnaces are connected manually, and power outage is required during manual connection of electrodes. In addition, quality and safety accidents are prone to occur during transportation and installation. In particular, the connection process and tightening degree are all controlled by manual experience, so various factors affecting the quality of the electrodes will occur, which may damage the electrodes at the least, or cause safety accidents and affect the smelting cycle at the worst. Summary of the invention

[0004] The purpose of this section is to summarize some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the specification abstract and utility model name of this application to avoid blurring the purpose of this section, specification abstract and utility model name, and such simplifications or omissions cannot be used to limit the scope of the utility model.

[0005] To solve the above problems, the utility model adopts the following technical solutions.

[0006] An electrode extension device comprises a base, wherein the outer walls on both sides of the base are fixedly connected with steel wire ropes, the top ends of the steel wire ropes are fixedly connected with a lower frame, an upper frame is installed above the lower frame, a lifting mechanism is installed above the upper frame, one end of the inner wall of the lower frame is fixedly connected with a hydraulic valve table, a rotating cylinder is installed inside the upper frame, a hydraulic clamping mechanism is fixedly connected at the center of the inner wall of the base, both ends of the inner wall of the base are fixedly connected with a mechanical clamping mechanism, the front end of the hydraulic valve table is fixedly connected with an automatic control console, the inner wall at the bottom center of the automatic control console is fixedly connected with a cable, the total length of the cable is 30m, and the bottom end of the cable is fixedly connected with a plug.

[0007] As a further description of the above technical solution:

[0008] A lower sealing plate is fixedly connected to the top of the lower frame, an upper sealing plate is installed above the lower sealing plate, first hexagonal bolts penetrate the inner walls of the lower sealing plate and the upper sealing plate, and first hexagonal nuts are threadedly connected to the top ends of the outer walls of the first hexagonal bolts; the lower frame and the upper frame can be fixed together by utilizing the connection structure between the first hexagonal bolts and the first hexagonal nuts.

[0009] As a further description of the above technical solution:

[0010] The bottom end of the outer wall of the first hexagonal bolt is sleeved with a first flat washer, and the first spring ring is installed above the first flat washer. The top of the upper sealing plate is fixedly connected to the bottom of the upper frame; by arranging the first flat washer and the first spring ring, it is beneficial to improve the sealing and stability of the connection structure between the first hexagonal bolt and the first hexagonal nut.

[0011] As a further description of the above technical solution:

[0012] A second hexagonal bolt penetrates each end of the inner wall of the upper frame and the lifting mechanism, and a second hexagonal nut is threadedly connected to the bottom end of the outer wall of the second hexagonal bolt; by setting a connecting structure between the second hexagonal bolt and the second hexagonal nut, the upper frame and the lifting mechanism can be fixed together.

[0013] As a further description of the above technical solution:

[0014] A second flat washer is sleeved on the top of the outer wall of the second hexagonal bolt, and a second spring ring is installed under the second flat washer. One end of the inner wall of the lifting mechanism is fixedly connected to a hydraulic station, and the other end of the inner wall of the lifting mechanism is fixedly connected to a hydraulic motor assembly. The provision of the second flat washer and the second spring ring is beneficial to improving the sealing and stability of the connection structure between the second hexagonal bolt and the second hexagonal nut.

[0015] As a further description of the above technical solution:

[0016] A hydraulic oil tank is fixedly connected to one end of the inner wall of the upper frame, an air cooling mechanism is fixedly connected to the top of one side of the inner wall of the hydraulic oil tank, an electric heater is fixedly connected to the bottom end of one side of the inner wall of the hydraulic oil tank, and a temperature detector is fixedly connected to the inner wall at the front center of the hydraulic oil tank; by adding an electric heater to the hydraulic oil tank and equipping it with an air cooling mechanism, automatic control of the internal temperature of the hydraulic oil tank can be achieved.

[0017] As a further description of the above technical solution:

[0018] The pipeline connection parts of the hydraulic valve station are fixedly connected with seals, and the seals are made of fluororubber material. The movable ends of the mechanical clamping mechanism are fixedly connected with wear-resistant rubber, and the thickness of the wear-resistant rubber is set to 10mm; by setting the wear-resistant rubber, it is beneficial to improve the clamping effect of the mechanical clamping mechanism.

[0019] Compared with the prior art, the beneficial effects of the utility model are as follows: automatic electrode connection completely solves the quality problems of manual electrode connection, and can realize remote control operation of the transportation process, automatic electrode loading, remote control operation of electrode connection and torque detection alarm, live electrode connection and other functions, thereby improving the work efficiency when replacing electrodes, reducing the workload, improving the level of factory automation, and reducing the safety risks when replacing electrodes. The time required for manual electrode connection is about 20 minutes per time, and the use of this system can shorten the time to 10 minutes per time, further saving the time wasted in electrode connection. The automatic connection relies entirely on remote control by workers, and there is no need for workers to touch the equipment during the entire process, so personal safety accidents are not likely to occur. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 A three-dimensional diagram of a local area of ​​an electrode extension device proposed by the utility model;

[0021] Figure 2 This is a front view of an electrode extension device proposed by the utility model;

[0022] Figure 3 This is a front cross-sectional view of an electrode extension device proposed by the utility model;

[0023] Figure 4 This is a left view of an electrode extension device proposed by the utility model;

[0024] Figure 5 An electrode extension device proposed by the utility model Figure 4 A partial enlarged view of the middle A area;

[0025] Figure 6 An electrode extension device proposed by the utility model Figure 3 A partial enlarged view of area B in the middle.

[0026] The corresponding relationship between the illustrations and component names in the figure is as follows:

[0027] 1. Base; 2. Wire rope; 3. Lower frame; 4. First hexagonal bolt; 5. First hexagonal nut; 6. First flat washer; 7. First spring ring; 8. Upper frame; 9. Second hexagonal bolt; 10. Second flat washer; 11. Second spring ring; 12. Hydraulic station; 13. Lifting mechanism; 14. Hydraulic motor assembly; 15. Hydraulic valve station; 16. Rotating cylinder; 17. Lower sealing plate; 18. Second hexagonal nut; 19. Upper sealing plate; 20. Hydraulic clamping mechanism; 21. Mechanical clamping mechanism; 22. Hydraulic oil tank; 23. Air cooling mechanism; 24. Electric heater; 25. Seal; 26. Wear-resistant rubber; 27. Temperature detector; 28. Automatic control console; 29. ​​Cable; 30. Plug. DETAILED DESCRIPTION

[0028] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings.

[0029] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0030] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure or characteristic that may be included in at least one implementation of the present invention. The term "in one embodiment" that appears in different places in this specification does not refer to the same embodiment, nor is it a separate or selective embodiment that is mutually exclusive with other embodiments. The present invention provides the following embodiments.

[0031] Reference Figure 1-6 The utility model provides an embodiment: an electrode extension device, including a base 1, and the outer walls on both sides of the base 1 are fixedly connected with steel wire ropes 2, the steel wire ropes 2 mainly serve to connect the base 1 and the lower frame 3, the steel pipe welded on the base 1 must be passed through the steel pipe welded on the lower frame 3, the purpose is to prevent the base 1 from deviating from the center of the entire device, with the rotation of the electrode thread, the distance between the lower frame 3 and the base 1 is not fixed, but it cannot exceed the length of the thread on the electrode, so only a soft connection can be used, and the toughness and strength of the steel wire rope 2 are very suitable, the top of the steel wire rope 2 is fixedly connected with the lower frame 3, the top of the lower frame 3 is fixedly connected with a lower sealing plate 17, and an upper sealing plate 19 is installed above the lower sealing plate 17.

[0032] The inner walls of the lower sealing plate 17 and the upper sealing plate 19 are penetrated by the first hexagonal bolt 4, and the top of the outer wall of the first hexagonal bolt 4 is threadedly connected with the first hexagonal nut 5. The connection structure between the first hexagonal bolt 4 and the first hexagonal nut 5 can be used to fix the lower frame 3 and the upper frame 8 together. The bottom end of the outer wall of the first hexagonal bolt 4 is sleeved with a first flat washer 6, and the first spring ring 7 is installed above the first flat washer 6. The first flat washer 6 and the first spring ring 7 are provided to improve the sealing of the connection structure between the first hexagonal bolt 4 and the first hexagonal nut 5. In order to improve the performance and stability of the device, the upper sealing plate 19 is fixedly connected to the upper frame 8 on the top, and a lifting mechanism 13 is installed above the upper frame 8. By setting the lifting mechanism 13, the lifting mechanism 13 is composed of a lifting ring, a steel plate and a profile, an insulating plate, and an insulating member connected by bolts. The lifting mechanism 13 plays a connecting role in lifting the entire device with a crown crane. Because the electric furnace is continuously operated without power failure when the electrode extension device is extending the electrode, the old electrode is charged during this period. In order to prevent electricity from being conducted to the crown crane, the lifting mechanism 13 not only plays a connecting role, but also has an insulating role.

[0033] A second hexagonal bolt 9 is passed through each end of the inner wall of the upper frame 8 and the lifting mechanism 13, and the bottom end of the outer wall of the second hexagonal bolt 9 is threadedly connected with a second hexagonal nut 18. By setting the connection structure between the second hexagonal bolt 9 and the second hexagonal nut 18, the upper frame 8 and the lifting mechanism 13 can be fixed together. The top of the outer wall of the second hexagonal bolt 9 is sleeved with a second flat washer 10, and a second spring ring 11 is installed under the second flat washer 10. By setting the second flat washer 10 and the second spring ring 11, it is beneficial to improve the sealing and stability of the connection structure between the second hexagonal bolt 9 and the second hexagonal nut 18. A hydraulic station 12 is fixedly connected to one end of the inner wall of the lifting mechanism 13. By setting the hydraulic station 12, the hydraulic station 12 is composed of an electric oil pump, a valve, an instrument, etc., and power is provided to the hydraulic clamping mechanism 20, the mechanical clamping mechanism 21 and the hydraulic oil tank 22 through a hydraulic pipeline. A hydraulic motor assembly 14 is fixedly connected to the other end of the inner wall of the lifting mechanism 13. By setting the hydraulic motor assembly 14, the flow of the hydraulic station 12 can be controlled.

[0034] A hydraulic valve station 15 is fixedly connected to one end of the inner wall of the lower frame 3, a rotating cylinder 16 is installed inside the upper frame 8, a hydraulic clamping mechanism 20 is fixedly connected to the center of the inner wall of the base 1, and both ends of the inner wall of the base 1 are fixedly connected to mechanical clamping mechanisms 21. By setting the hydraulic clamping mechanism 20 and the mechanical clamping mechanism 21, the mechanical clamping mechanism 21 can operate independently when the hydraulic clamping mechanism 20 fails, so as to prevent the hydraulic system from causing the electrode to fall. A hydraulic oil tank 22 is fixedly connected to one end of the inner wall of the upper frame 8, and a top end of the inner wall of the hydraulic oil tank 22 is fixedly connected to the inner wall of the upper frame 8. An air cooling mechanism 23 is fixedly connected, and an electric heater 24 is fixedly connected to the bottom end of one side of the inner wall of the hydraulic oil tank 22. By adding the electric heater 24 to the hydraulic oil tank 22 and equipping the air cooling mechanism 23, the internal temperature of the hydraulic oil tank 22 is automatically controlled. The normal working oil temperature is between 5°C≤temperature≤55°C. The pipeline connection parts of the hydraulic valve station 15 are fixedly connected with seals 25, and the seals 25 are made of fluororubber material. The movable ends of the mechanical clamping mechanism 21 are fixedly connected with wear-resistant rubber 26, and the thickness of the wear-resistant rubber 26 is set to 10mm.

[0035] A temperature detector 27 is fixedly connected to the inner wall at the front center of the hydraulic oil tank 22. By setting the temperature detector 27, the oil temperature in the hydraulic oil tank 22 can be detected. An automatic control console 28 is fixedly connected to the front end of the hydraulic valve station 15. By setting the automatic control console 28, PLC automatic control is adopted, and the short-range remote control is operated. The effective distance of the remote control is within a radius of 50 meters. In order to improve the reliability of the equipment, the hydraulic system holding pressure detection device must use two-way detection elements to simultaneously enter the PLC system's feedback value as a basis for judging whether the equipment functions normally. A cable 29 is fixedly connected to the inner wall at the bottom center of the automatic control console 28. The total length of the cable 29 is 30m. A plug 30 is fixedly connected to the bottom end of the cable 29. The cable 29 is connected to the extension device and the distribution box using an aviation plug, and the power supply adopts a three-phase five-wire cable 29.

[0036] The above content is a further detailed description of the utility model in combination with specific implementation methods. It cannot be determined that the specific implementation of the utility model is limited to these descriptions. For ordinary technicians in the technical field to which the utility model belongs, without departing from the concept of the utility model, they can also make several simple deductions or substitutions, which should be regarded as belonging to the scope of protection determined by the claims submitted for the utility model.

Claims

1. An electrode extension device, comprising a base (1), characterized in that: The outer walls of both sides of the base (1) are fixedly connected with steel wire ropes (2), the tops of the steel wire ropes (2) are fixedly connected with the lower frame (3), an upper frame (8) is installed above the lower frame (3), a lifting mechanism (13) is installed above the upper frame (8), one end of the inner wall of the lower frame (3) is fixedly connected with a hydraulic valve table (15), a rotating cylinder (16) is installed inside the upper frame (8), a hydraulic clamping mechanism (20) is fixedly connected at the center of the inner wall of the base (1), both ends of the inner wall of the base (1) are fixedly connected with a mechanical clamping mechanism (21), the front end of the hydraulic valve table (15) is fixedly connected with an automatic control console (28), the inner wall at the bottom center of the automatic control console (28) is fixedly connected with a cable (29), the total length of the cable (29) is 30m, and the bottom end of the cable (29) is fixedly connected with a plug (30).

2. An electrode extension device according to claim 1, characterized in that: A lower sealing plate (17) is fixedly connected to the top of the lower frame (3), an upper sealing plate (19) is installed above the lower sealing plate (17), first hexagonal bolts (4) penetrate the inner walls of the lower sealing plate (17) and the upper sealing plate (19), and first hexagonal nuts (5) are threadedly connected to the top ends of the outer walls of the first hexagonal bolts (4).

3. An electrode extension device according to claim 2, characterized in that: The bottom ends of the outer walls of the first hexagonal bolts (4) are sleeved with first flat washers (6), and the tops of the first flat washers (6) are installed with first spring rings (7). The top of the upper sealing plate (19) is fixedly connected to the bottom of the upper frame (8).

4. The electrode extension device according to claim 1, characterized in that: A second hexagonal bolt (9) penetrates each end of the inner wall of the upper frame (8) and the lifting mechanism (13), and a second hexagonal nut (18) is threadedly connected to the bottom end of the outer wall of the second hexagonal bolt (9).

5. The electrode extension device according to claim 4, characterized in that: A second flat washer (10) is sleeved on the top of the outer wall of the second hexagonal bolt (9), and a second spring ring (11) is installed below the second flat washer (10). One end of the inner wall of the lifting mechanism (13) is fixedly connected to a hydraulic station (12), and the other end of the inner wall of the lifting mechanism (13) is fixedly connected to a hydraulic motor assembly (14).

6. The electrode extension device according to claim 1, characterized in that: A hydraulic oil tank (22) is fixedly connected to one end of the inner wall of the upper frame (8), an air cooling mechanism (23) is fixedly connected to the top end of one side of the inner wall of the hydraulic oil tank (22), an electric heater (24) is fixedly connected to the bottom end of one side of the inner wall of the hydraulic oil tank (22), and a temperature detector (27) is fixedly connected to the inner wall at the front center of the hydraulic oil tank (22).

7. The electrode extension device according to claim 1, characterized in that: The pipeline connection parts of the hydraulic valve station (15) are all fixedly connected with sealing members (25), the sealing members (25) are made of fluororubber material, and the movable ends of the mechanical clamping mechanism (21) are all fixedly connected with wear-resistant rubber (26), the thickness of the wear-resistant rubber (26) is set to 10 mm.

Images