CN217957353U

CN217957353U - Electrode lifting device applied to DCS control system

Info

Publication number: CN217957353U
Application number: CN202220732502.3U
Authority: CN
Inventors: 詹磊; 张永保
Original assignee: Zhongwei Yuexin Smelting Co ltd
Current assignee: Zhongwei Yuexin Smelting Co ltd
Priority date: 2022-03-31
Filing date: 2022-03-31
Publication date: 2022-12-02
Anticipated expiration: 2032-03-31

Abstract

The utility model relates to a be applied to DCS control system's electrode elevating gear relates to DCS control system technical field, and it includes a jar body, jar internal formation has the chamber that holds, just be formed with feed inlet and discharge gate on the jar body, feed inlet and discharge gate all with hold the chamber intercommunication, jar internal installation pole that is provided with of jar, the installation pole carriage is established jar is internal, just the one end of installation pole is provided with the electrode, the electrode is installed on the installation pole, jar internal lifting unit that is provided with, the lifting unit drive the installation pole is in jar internal lift, just still be provided with drive assembly and coupling assembling on the jar body, drive assembly passes through coupling assembling is right lifting unit provides power. This application has the accuracy nature that promotes the electrode and goes up and down, prevents that the too big phenomenon of electrode single lift distance from appearing, reduces the incline and the vibration of electrode, prevents that the smelting process is undulant too big and lead to the production accident of electrode rupture.

Description

Electrode lifting device applied to DCS control system

Technical Field

The application relates to the technical field of DCS control systems, in particular to an electrode lifting device applied to a DCS control system.

Background

At present, a distributed control system is called DCS for short, and can also be directly translated into a distributed control system or a distributed computer control system. The method adopts the basic design idea of controlling dispersion, operation and management centralization and adopts a structural form of multilayer grading, cooperation and autonomy. Its main features are its centralized management and decentralized control. DCS is widely applied to various industries such as electric power, metallurgy, petrochemical industry and the like at present. Aims to better ensure the safe operation of the electric furnace equipment, improve the production efficiency, the management level and the accuracy of equipment maintenance operation.

In the related art, the ferrosilicon furnace is an electric furnace for melting ores and metals at a high temperature by using an electrode arc. The state of the arc depends on the distance of the electrode tip from the discharge, the conductivity of the discharge, the voltage and the temperature around the electrode and the resistance properties of the charge medium. In the smelting process, along with the continuous rising of the liquid level (or slag level) of a furnace bottom molten pool, furnace materials frequently lay down, the electrode tip moves upwards due to burning loss and the conductivity of the molten pool changes, the actual position of the electrode needs to be adjusted timely to keep the arc power in the furnace to be in the optimal state all the time, and in the smelting process of the submerged arc furnace, the electrode is usually manually controlled to lift by manpower.

In view of the above related technologies, the inventor believes that there is a method for manually controlling the lifting of the electrode, which is highly random and inaccurate, and often causes the deflection or oscillation of the electrode due to the excessively large single lifting distance of the electrode, thereby causing the production accident of electrode breakage due to the excessively large fluctuation in the smelting process.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems of large randomness and inaccuracy of a manual electrode lifting control method, the application provides an electrode lifting device applied to a DCS (distributed control system).

The application provides an electrode elevating gear for DCS control system adopts following technical scheme:

the utility model provides a be applied to DCS control system's electrode elevating gear, includes a jar body, the internal chamber that holds that is formed with of jar, just the jar is internal to be formed with feed inlet and discharge gate, feed inlet and discharge gate all with hold the chamber intercommunication, the internal installation pole that is provided with of jar, installation pole sliding rack is established jar is internal, just the one end of installation pole is provided with the electrode, the electrode is installed on the installation pole, the internal elevating module that is provided with of jar, the elevating module drive the installation pole is in jar internal lift, just still be provided with drive assembly and coupling assembling on the jar body, drive assembly passes through coupling assembling is right elevating assembly provides power.

Optionally, lifting unit includes the dwang, the one end rotating turret of dwang is established the jar is internal, the other end with installation pole grafting cooperation, the dwang is close to one side of installation pole is formed with the external screw thread, be formed with the internal thread in the installation pole, the dwang with installation pole threaded connection.

Optionally, the driving assembly includes a driving motor and a driving gear, the driving motor is installed on the tank body, an output shaft of the driving motor extends towards the inside of the tank body, and the driving gear and one end of the output shaft of the driving motor, which is located in the tank body, are fixed.

Optionally, coupling assembling includes the connecting cylinder, the connecting cylinder is fixed the jar is internal, just be provided with the pivot on the connecting cylinder, the one end of pivot is inserted and is established in the connecting cylinder, the other end of pivot is provided with connecting gear, connecting gear with the driving gear meshing, just be provided with driven gear on the dwang, driven gear with connecting gear meshing.

Optionally, a positioning rod is arranged on the connecting gear, one end of the positioning rod is rotatably connected with the connecting gear, and the other end of the positioning rod is abutted against one end of the electrode, which is far away from the mounting rod.

Optionally, a tension spring is arranged in the connecting cylinder, one end of the tension spring is movably connected with the tank body, and the other end of the tension spring is fixed with the rotating shaft.

Optionally, a positioning block is arranged on the inner side of the tank body, a positioning groove is formed in the positioning block, a limiting block is arranged on the mounting rod, one end of the limiting block is fixed to the mounting rod, and the other end of the limiting block is in sliding fit with the positioning groove in the positioning block.

Optionally, a sliding groove is formed in the installation rod, a limiting strip is arranged on the positioning rod, one end of the limiting strip is fixed to the installation rod, and the other end of the limiting strip is in sliding fit with the sliding groove in the installation rod.

To sum up, this application includes following at least one electrode elevating gear beneficial technological effect who is applied to DCS control system:

in the application, place the raw materials in the intracavity that holds of the jar body through the feed inlet, then install the electrode on the installation pole, after the electrode shortens, drive assembly passes through coupling assembling and provides power to lifting unit, lifting unit moves the electrode to the one side that is close to the stove bottom, along with constantly going on of smelting process, lifting unit is continuous to move the electrode to one side of stove bottom, help promoting the accuracy nature that the electrode goes up and down, prevent that the too big phenomenon of electrode single lift distance from appearing, reduce the incline and the vibration of electrode, prevent that the smelting process is undulant too big and lead to the production accident of electrode rupture.

Drawings

Fig. 1 is a schematic diagram of the overall structure of an electrode lifting device mainly applied to a DCS control system in this embodiment;

FIG. 2 is a sectional view of the tank structure mainly embodied in the present embodiment;

FIG. 3 is a schematic view of the present embodiment mainly showing the structure of the mounting rod;

fig. 4 is an enlarged view of a portion a of fig. 2.

Reference numerals: 1. a tank body; 11. an accommodating chamber; 12. a feed inlet; 13. a discharge port; 14. positioning blocks; 141. positioning a groove; 2. mounting a rod; 21. an electrode; 22. mounting grooves; 23. fixing the bolt; 24. an internal thread; 25. a limiting block; 26. a chute; 3. a lifting assembly; 31. rotating the rod; 32. an external thread; 33. a driven gear; 4. a connection assembly; 41. a connecting cylinder; 42. a rotating shaft; 43. a connecting gear; 44. tensioning the spring; 45. positioning a rod; 46. a limiting strip; 5. a drive assembly; 51. a drive motor; 52. a drive gear.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions of the embodiments of the present application will be described clearly and completely in the following with reference to the drawings of the embodiments of the present application. It should be apparent that the described embodiments are only some of the embodiments of the present application, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the application without any inventive step, are within the scope of protection of the application.

Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this application belongs. The use of the terms "a" or "an" and the like in the description and in the claims of the present application do not denote a limitation of quantity, but rather denote the presence of at least one.

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses an electrode lifting device applied to a DCS control system.

Referring to fig. 1-4, an electrode lifting device applied to a DCS control system includes a tank body 1, a containing cavity 11 is formed in the tank body 1, a feed inlet 12 and a discharge outlet 13 are formed on the tank body 1, and the feed inlet 12 and the discharge outlet 13 are both communicated with the containing cavity 11 in the tank body 1. Be provided with installation pole 2 in the jar body 1, installation pole 2 and the cooperation of sliding of the jar body 1, and be provided with electrode 21 on the installation pole 2, electrode 21 can be dismantled fixedly with installation pole 2, jar internal lifting unit 3 that is provided with of 1, coupling assembling 4 and drive assembly 5, and lifting unit 3, coupling assembling 4 and drive assembly 5 are all installed in jar body 1, during the use, drive assembly 5 provides power to lifting unit 3 through coupling assembling 4, lifting unit 3 drives installation pole 2 and slides in jar body 1, promote the accuracy nature of electrode 21 lift, prevent the too big phenomenon of electrode 21 single lift distance, reduce electrode 21's incline and vibrate, prevent that the smelting process is undulant too big and lead to the production accident of electrode 21 rupture.

The installation pole 2 is whole to be round bar shape, and the one end of installation pole 2 has seted up mounting groove 22, and the one end of electrode 21 is inserted and is established in mounting groove 22, and is provided with fixing bolt 23 on the installation pole 2, and fixing bolt 23's one end is passed installation pole 2 and is extended to the one side that is close to mounting groove 22, and fixing bolt 23 passes the one end of installation pole 2 and supports tight electrode 21 for the convenience that electrode 21 dismantled can promote.

Lifting unit 3 includes dwang 31, and dwang 31 is whole to be vertical setting, and the one end of dwang 31 is rotated with jar 1 inboard and is connected, and the other end extends to the one side that is close to installation pole 2, and one side that dwang 31 is close to installation pole 2 is formed with external screw thread 32, and the one end that installation pole 2 is close to dwang 31 is formed with internal thread 24, external screw thread 32 on the dwang 31 and the internal thread 24 threaded connection on the installation pole 2.

Be provided with locating piece 14 on the inside wall of the jar body 1, locating piece 14 is whole to be vertical setting, the one end of locating piece 14 is fixed with jar body 1, the other end extends to the one side that is close to installation pole 2, and locating piece 14 has seted up constant head tank 141 near one side of installation pole 2, the length direction of constant head tank 141 is parallel with the axis direction of dwang 31, be provided with stopper 25 on the installation pole 2, stopper 25's one end is fixed with installation pole 2, the other end slides with constant head tank 141 on the locating piece 14 and cooperates, when dwang 31 rotates, drive installation pole 2 and slide along the length direction of constant head tank 141, make the convenience of installation pole 2 removal in jar body 1 promote.

The driving assembly 5 comprises a driving motor 51, the driving motor 51 is installed on the tank body 1, an output shaft of the driving motor 51 penetrates through the tank body 1 and extends to the accommodating cavity 11 in the tank body 1, one end of the output shaft of the driving motor 51, which penetrates through the tank body 1, is provided with a driving gear 52, and the driving gear 52 is fixed with the output shaft of the driving motor 51.

The connecting assembly 4 comprises a connecting cylinder 41, one end of the connecting cylinder 41 is fixed to the tank body 1, the other end of the connecting cylinder extends to the lower side of the vertical direction, a rotating shaft 42 is arranged on the connecting cylinder 41, the axis of the rotating shaft 42 is coaxial with that of the connecting cylinder 41, one end of the rotating shaft 42 is rotatably connected with the connecting cylinder 41, the other end of the rotating shaft extends to one side away from the connecting cylinder 41, a connecting gear 43 is arranged at one end, away from the connecting cylinder 41, of the rotating shaft 42, and the connecting gear 43 is fixed to the rotating shaft 42. And the driven gear 33 is arranged on the rotating rod 31, the driven gear 33 is fixed on the rotating rod 31, when the driving gear 52, the connecting gear 43 and the driven gear 33 are engaged, the driving gear 52 is driven by the driving motor 51 to rotate, the driving gear 52 drives the connecting gear 43 to rotate, and the connecting gear 43 drives the driven gear 33 to rotate, so that the rotating rod 31 is driven to rotate.

The connecting cylinder 41 is internally provided with a tension spring 44, one end of the tension spring 44 is movably connected with the tank body 1, the other end of the tension spring 44 is fixed with the rotating shaft 42, the rotating shaft 42 is tensioned in the rotating cylinder through the tension spring 44, and the tension spring 44 is movably connected with the tank body 1, so that the rotation of the rotating shaft 42 is not obstructed by the tension spring 44.

Be provided with locating lever 45 on connecting gear 43, the one end of locating lever 45 rotates with connecting gear 43 to be connected, the other end is contradicted with the end that electrode 21 kept away from installation pole 2 one end, when electrode 21 shortens, take-up spring 44 upwards stimulates pivot 42, when connecting gear 43 respectively with driving gear 52, driven gear 33 meshing, dwang 31 drives installation pole 2 rebound, because the diameter of locating lever 45 one end is less than the diameter of electrode 21 end, thereby make, locating lever 45 can not influence the discharge of electrode 21 end.

The mounting rod 2 is close to the one end of locating lever 45 and has been seted up spout 26, and the length direction of spout 26 is coaxial with the axis direction of mounting rod 2, and is provided with spacing 46 on the locating lever 45, and the one end of spacing 46 is fixed with locating lever 45, and the other end slides with the spout 26 on the mounting rod 2 and cooperates for the stability of locating lever 45 can promote, prevents that locating lever 45 from falling down from electrode 21.

The implementation principle of the electrode lifting device applied to the DCS control system is as follows: in the application, throw in the raw materials through feed inlet 12 of jar body 1, the raw materials is thrown into holding the intracavity 11 of jar body 1, along with the continuous progress of smelting process, after electrode 21 shortens, locating lever 45 is along with electrode 21 shortens, the straining spring 44 in the rotary drum upwards stimulates connecting gear 43, after connecting gear 43 and driving gear 52, driven gear 33 meshing, driving motor 51 drives driving gear 52 and rotates, driving gear 52 drives connecting gear 43 and rotates, connecting gear 43 drives driven gear 33 and rotates, driven gear 33 drives dwang 31 and rotates, dwang 31 drives installation pole 2 and removes, installation pole 2 slides along locating slot 141 length direction of locating piece 14.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a be applied to DCS control system's electrode elevating gear, includes a jar body (1), be formed with in jar body (1) and hold chamber (11), just be formed with feed inlet (12) and discharge gate (13) on jar body (1), feed inlet (12) and discharge gate (13) all with hold chamber (11) intercommunication, its characterized in that: be provided with installation pole (2) in jar body (1), installation pole (2) carriage is established in jar body (1), just the one end of installation pole (2) is provided with electrode (21), electrode (21) are installed on installation pole (2), be provided with lifting unit (3) in jar body (1), lifting unit (3) drive installation pole (2) are in go up and down in jar body (1), just still be provided with drive assembly (5) and coupling assembling (4) on jar body (1), drive assembly (5) pass through coupling assembling (4) are right lifting unit (3) provide power.

2. The electrode lifting device applied to the DCS control system according to claim 1, wherein: lifting unit (3) are including dwang (31), the one end rotating turret of dwang (31) is established in the jar body (1), the other end with installation pole (2) cooperation of pegging graft, dwang (31) are close to one side of installation pole (2) is formed with external screw thread (32), be formed with internal thread (24) in installation pole (2), dwang (31) with installation pole (2) threaded connection.

3. The electrode lifting device applied to the DCS control system according to claim 2, wherein: the driving assembly (5) comprises a driving motor (51) and a driving gear (52), the driving motor (51) is installed on the tank body (1), an output shaft of the driving motor (51) extends towards the inside of the tank body (1), and the driving gear (52) and one end, located in the tank body (1), of the output shaft of the driving motor (51) are fixed.

4. The electrode lifting device applied to the DCS control system according to claim 3, wherein: coupling assembling (4) are including connecting cylinder (41), connecting cylinder (41) are fixed in jar body (1), just be provided with pivot (42) on connecting cylinder (41), the one end of pivot (42) is inserted and is established in connecting cylinder (41), the other end of pivot (42) is provided with connecting gear (43), connecting gear (43) with driving gear (52) meshing, just be provided with driven gear (33) on dwang (31), driven gear (33) with connecting gear (43) meshing.

5. The electrode lifting device applied to the DCS control system according to claim 4, wherein: a positioning rod (45) is arranged on the connecting gear (43), one end of the positioning rod (45) is rotatably connected with the connecting gear (43), and the other end of the positioning rod is abutted against one end, far away from the mounting rod (2), of the electrode (21).

6. The electrode lifting device applied to the DCS control system according to claim 4, wherein: a tension spring (44) is arranged in the connecting cylinder (41), one end of the tension spring (44) is movably connected with the tank body (1), and the other end of the tension spring (44) is fixed with the rotating shaft (42).

7. The electrode lifting device applied to the DCS control system according to claim 1, wherein: the tank is characterized in that a positioning block (14) is arranged on the inner side of the tank body (1), a positioning groove (141) is formed in the positioning block (14), a limiting block (25) is arranged on the installation rod (2), one end of the limiting block (25) is fixed with the installation rod (2), and the other end of the limiting block is matched with the positioning groove (141) in the positioning block (14) in a sliding mode.

8. The electrode lifting device applied to the DCS control system according to claim 5, wherein: the mounting rod (2) is provided with a sliding groove (26), the positioning rod (45) is provided with a limiting strip (46), one end of the limiting strip (46) is fixed with the mounting rod (2), and the other end of the limiting strip is in sliding fit with the sliding groove (26) in the mounting rod (2).